1 2009-10-27 Cary Coutant <ccoutant@google.com>
3 * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
4 * testsuite/Makefile.am (plugin_test_5): New test case.
5 * testsuite/Makefile.in: Regenerate.
7 2009-10-25 Doug Kwan <dougkwan@google.com>
9 * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
10 from private to protected to allow access by child class.
11 (Sized_relobj::do_relocate_sections): New method declaration.
12 (Sized_relobj::relocate_sections): Virtualize.
13 * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
14 Sized_relobj::relocate_sections. Instantiate template explicitly
15 for different target sizes and endianity.
17 2009-10-24 Doug Kwan <dougkwan@google.com>
19 * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
20 (Arm_input_section::as_arm_input_section): New method.
21 (Arm_output_section): New class definition.
22 (Arm_output_section::create_stub_group,
23 Arm_output_section::group_sections): New method definitions.
25 2009-10-22 Doug Kwan <dougkwan@google.com>
27 * arm.cc (Arm_input_section): New class definition.
28 (Arm_input_section::init, Arm_input_section:do_write,
29 Arm_input_section::set_final_data_size,
30 Arm_input_section::do_reset_address_and_file_offset): New method
33 2009-10-21 Doug Kwan <dougkwan@google.com>
35 * arm.cc (Stub_table, Arm_input_section): New forward class
37 (Stub_table): New class defintion.
38 (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
39 Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
40 New method definition.
42 2009-10-21 Doug Kwan <dougkwan@google.com>
44 * arm.cc: Update copyright comments.
45 (Target_arm): New forward class template declaration.
46 (Arm_address): New type.
47 (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
48 THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
49 THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
51 (Insn_template): Same.
52 (DEF_STUBS): New macro.
53 (Stub_type): New enum type.
54 (Stub_template): New class definition.
58 (Target_arm::Target_arm): Initialize may_use_blx_ and
59 should_force_pic_veneer_.
60 (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
61 Target_arm::should_force_pic_veneer,
62 Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
63 Target_arm::using_thumb_only, Target_arm:;default_target): New
65 (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
66 New data member declarations.
67 (Insn_template::size, Insn_template::alignment): New method defintions.
68 (Stub_template::Stub_template): New method definition.
69 (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
70 Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
71 (Stub_factory::Stub_factory): New method definition.
72 * gold.h (string_hash): New template.
73 * output.h (Input_section_specifier::hash_value): Use
75 (Input_section_specifier::string_hash): Remove.
76 * stringpool.cc (Stringpool_template::string_hash): Use
79 2009-10-20 Doug Kwan <dougkwan@google.com>
81 * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
82 symbols of relaxed input sections.
83 * output.h (Output_section::find_relaxed_input_section): Make
86 2009-10-16 Doug Kwan <dougkwan@google.com>
88 * dynobj.cc (Versions::Versions): Initialize version_script_.
89 Only insert base version symbol definition for a shared object
90 if version script defines any version versions.
91 (Versions::define_base_version): New method definition.
92 (Versions::add_def): Check that base version is not needed.
93 (Versions::add_need): Define base version lazily.
94 * dynobj.h (Versions::define_base_version): New method declaration.
95 (Versions::needs_base_version_): New data member declaration.
96 * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
97 (check_DATA): Add no_version_test.stdout.
98 (libno_version_test.so, no_version_test.o no_version_test.stdout):
100 * testsuite/Makefile.in: Regenerate.
101 * testsuite/no_version_test.c: New file.
102 * testsuite/no_version_test.sh: Ditto.
104 2009-10-16 Doug Kwan <dougkwan@google.com>
106 * expression.cc (class Segment_start_expression): New class definition.
107 (Segment_start_expression::value): New method definition.
108 (script_exp_function_segment_start): Return a new
109 Segment_start_expression.
110 * gold/script-c.h (script_saw_segment_start_expression): New function
112 * script-sections.cc (Script_sections::Script_sections): Initialize
113 SAW_SEGMENT_START_EXPRESSION_ to false.
114 (Script_sections::set_section_addresses): Use -Ttext, -Tdata
115 and -Tbbs options to specify section addresses if given in
116 command line and no SEGMENT_START expression is seen in a script.
117 * script-sections.h (Script_sections::saw_segment_start_expression,
118 Script_sections::set_saw_segment_start_expression): New method
120 (Script_sections::saw_segment_start_expression_): New data member
122 * script.cc (script_saw_segment_start_expression): New function.
123 * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
124 * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
125 script_test_7.sh and script_test_8.sh.
126 (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
127 script_test_8.stdout.
128 (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
129 (script_test_6, script_test_6.stdout, script_test_7,
130 script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
131 * Makefile.in: Regenerate.
132 * testsuite/script_test_6.sh: New file.
133 * testsuite/script_test_6.t: Same.
134 * testsuite/script_test_7.sh: Same.
135 * testsuite/script_test_7.t: Same.
136 * testsuite/script_test_8.sh: Same.
138 2009-10-16 Doug Kwan <dougkwan@google.com>
140 * output.cc (Output_segment::set_section_list_address): Cast
141 expressions to unsigned long long type to avoid format warnings.
143 2009-10-15 Ian Lance Taylor <iant@google.com>
145 * script.cc (Script_options::add_symbol_assignment): Always add a
146 dot assginment to script_sections_.
147 * script-sections.cc (Script_sections::add_dot_assignment):
148 Initialize if necessary.
150 * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
151 program headers with no load segment if there is a linker script.
153 * layout.cc (Layout::set_segment_offsets): Align the file offset
154 to the segment aligment for -N or -n with no load segment.
155 * output.cc (Output_segment::add_output_section): Don't crash if
156 the first section is a TLS section.
157 (Output_segment::set_section_list_addresses): Print an error
158 message if the address moves backward in a linker script.
160 (Output_section_element_input::set_section_addresses): Don't
161 increase *dot_value for a SHF_TLS/SHT_NOBITS section.
162 (Orphan_output_section::set_section_addresses): Likewise.
164 2009-10-15 Doug Kwan <dougkwan@google.com>
166 * layout.cc (Layout::finish_dynamic_section): Generate tags
167 DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
168 DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
169 used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
171 2009-10-14 Ian Lance Taylor <iant@google.com>
173 * object.h (class Relocate_info): Add reloc_shdr and data_shdr
175 * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
176 data_shdr fields of relinfo.
177 * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
178 (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo. For
179 R_386_TLS_LDO_32, adjust based on section flags.
180 (Target_i386::Relocate::fix_up_ldo): Remove.
182 2009-10-13 Ian Lance Taylor <iant@google.com>
184 Add support for -pie.
185 * options.h (class General_options): Add -pie and
187 (General_options::output_is_position_independent): Test -pie.
188 (General_options::output_is_executable): Return true if not shared
190 (General_options::output_is_pie): Remove.
191 * options.cc (General_options::finalize): Reject incompatible uses
193 * gold.cc (queue_middle_tasks): A -pie link is not static.
194 * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
195 * symtab.cc (Symbol::final_value_is_known): Return false if
196 output_is_position_independent.
197 * layout.cc (Layout::set_segment_offsets): Start at address 0 if
198 output_is_position_independent.
199 * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
200 output_is_position_independent.
201 * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
202 output_is_position_independent.
203 * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
205 (basic_pie_test.o, basic_pie_test): New targets.
206 (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
207 (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
208 (two_file_pie_test): New target.
209 * testsuite/Makefile.in: Rebuild.
210 * README: Remove note saying that -pie is not supported.
212 2009-10-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
214 * options.h (class General_options): Add -init and -fini.
215 * layout.cc (Layout::finish_dynamic_section): Emit
216 given init and fini functions.
218 2009-10-13 Sriraman Tallam <tmsriram@google.com>
220 * gc.h (gc_process_relocs): Check if icf is enabled using new
222 * gold.cc (queue_initial_tasks): Likewise.
223 (queue_middle_tasks): Likewise.
224 * object.cc (do_layout): Likewise.
225 * symtab.cc (is_section_folded): Likewise.
226 * main.cc (main): Likewise.
227 * reloc.cc (Read_relocs::run): Likewise.
228 (Sized_relobj::do_scan_relocs): Likewise.
229 * icf.cc (is_function_ctor_or_dtor): New function.
230 (Icf::find_identical_sections): Check if function is ctor or dtor when
232 * options.h (General_options::icf): Change option to be an enum.
233 (Icf_status): New enum.
234 (icf_enabled): New method.
235 (icf_safe_folding): New method.
236 (set_icf_status): New method.
237 (icf_status_): New variable.
238 * (options.cc) (General_options::finalize): Set icf_status_.
239 * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
240 icf_test and icf_keep_unique_test to use the --icf enum flag.
241 * testsuite/icf_safe_test.sh: New file.
242 * testsuite/icf_safe_test.cc: New file.
244 2009-10-12 Sriraman Tallam <tmsriram@google.com>
246 * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
247 includes to gc.h and icf.h.
248 * arm.cc: Include gc.h.
251 * powerpc.cc: Likewise.
252 * sparc.cc: Likewise.
253 * x86_64.cc: Likewise.
254 * gc.h: Include icf.h.
256 2009-10-11 Ian Lance Taylor <iant@google.com>
258 * plugin.cc: Include "gold.h" before other header files.
260 2009-10-10 Chris Demetriou <cgd@google.com>
262 * options.h (Input_file_argument::Input_file_type): New enum.
263 (Input_file_argument::is_lib_): Replace with...
264 (Input_file_argument::type_): New member.
265 (Input_file_argument::Input_file_argument): Take Input_file_type
266 'type' rather than boolean 'is_lib' as second argument.
267 (Input_file_argument::is_lib): Use type_.
268 (Input_file_argument::is_searched_file): New function.
269 (Input_file_argument::may_need_search): Handle is_searched_file.
270 * options.cc (General_options::parse_library): Support -l:filename.
271 (General_options::parse_just_symbols): Update for Input_file_argument
273 (Command_line::process): Likewise.
274 * archive.cc (Archive::get_file_and_offset): Likewise.
275 * plugin.cc (Plugin_manager::release_input_file): Likewise.
276 * script.cc (read_script_file, script_add_file): Likewise.
277 * fileread.cc (Input_file::Input_file): Likewise.
278 (Input_file::will_search_for): Handle is_searched_file.
279 (Input_file::open): Likewise.
280 * readsyms.cc (Read_symbols::get_name): Likewise.
281 * testsuite/Makefile.am (searched_file_test): New test.
282 * testsuite/Makefile.in: Regenerate.
283 * testsuite/searched_file_test.cc: New file.
284 * testsuite/searched_file_test_lib.cc: New file.
286 2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
287 Ian Lance Taylor <iant@google.com>
289 * descriptor.cc: Include <cstdio> and "binary-io.h".
290 (Descriptors::open): Open the files in binary mode always.
291 * script.cc (Lex::get_token): Treat \r as whitespace.
293 2009-10-09 Ian Lance Taylor <iant@google.com>
295 * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
297 2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
298 Ian Lance Taylor <iant@google.com>
300 * configure.ac: Check for readv function also.
301 * fileread.cc (readv): Define if not HAVE_READV.
302 * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
304 * config.in: Regenerate.
305 * configure: Regenerate.
307 2009-10-09 Doug Kwan <dougkwan@google.com>
309 * layout.cc (Layout::make_output_section): Call target hook to make
310 ordinary output section.
311 (Layout::finalize): Adjust parameter list of call the
313 * layout.h (class Layout::section_list): New method.
314 * merge.h (Output_merge_base::entsize): Change visibility to public.
315 (Output_merge_base::is_string, Output_merge_base::do_is_string):
317 (Output_merge_string::do_is_string): New method.
318 * object.cc (Sized_relobj::do_setup): renamed from
319 Sized_relobj::set_up.
320 * object.h (Sized_relobj::adjust_shndx,
321 Sized_relobj::initializ_input_to_output_maps,
322 Sized_relobj::free_input_to_output_maps): Change visibilities to
324 (Sized_relobj::setup): Virtualize.
325 (Sized_relobj::do_setup): New method declaration.
326 (Sized_relobj::invalidate_section_offset,
327 Sized_relobj::do_invalidate_section_offset): New method decfinitions.
328 (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
329 * options.cc (parse_int): New function.
330 * options.h (parse_int): New declaration.
331 (DEFINE_int): New macro.
332 (stub_group_size): New option.
333 * output.cc (Output_section::Output_section): Initialize memebers
334 merge_section_map_, merge_section_by_properties_map_,
335 relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
336 (Output_section::add_input_section): Handled deferred code-fill
337 generation and remove an old comment.
338 (Output_section::add_relaxed_input_section): New method definition.
339 (Output_section::add_merge_input_section): Use merge section by
340 properties map to speed to search. Update merge section maps
342 (Output_section::build_relaxation_map): New method definition.
343 (Output_section::convert_input_sections_in_list_to_relaxed_sections):
345 (Output_section::relax_input_section): Renamed to
346 Output_section::convert_input_sections_to_relaxed_sections and change
347 interface to take a vector of pointers to relaxed sections.
348 (Output_section::find_merge_section,
349 Output_section::find_relaxed_input_section): New method definitions.
350 (Output_section::is_input_address_mapped,
351 Output_section::output_offset, Output_section::output_address):
352 Use output section data maps to speed up searching.
353 (Output_section::find_starting_output_address): Add comments.
354 (Output_section::do_write,
355 Output_section::write_to_postprocessing_buffer): Do code-fill
356 generation as appropriate.
357 (Output_section::get_input_sections): Invalidate relaxed input section
359 (Output_section::restore_states): Adjust type of checkpoint .
360 Invalidate relaxed input section map.
361 * output.h (Output_merge_base): New class declaration.
362 (Input_section_specifier): New class defintion.
363 (class Output_relaxed_input_section) Change base class to
364 Output_section_data_build.
365 (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
366 base class initializer.
367 (Output_section::add_relaxed_input_section): New method declaration.
368 (Output_section::Input_section): Change visibility to protected.
369 (Output_section::Input_section::relobj,
370 Output_section::Input_section::shndx): Handle relaxed input sections.
371 Output_section::input_sections) Change visibility to protected. Also
372 define overload to return a non-const pointer.
373 (Output_section::Merge_section_properties): New class defintion.
374 (Output_section::Merge_section_by_properties_map,
375 Output_section::Output_section_data_by_input_section_map,
376 Output_section::Relaxation_map): New types.
377 (Output_section::relax_input_section): Rename method to
378 Output_section::convert_input_sections_to_relaxed_sections and change
379 interface to take a vector of relaxed section pointers.
380 (Output_section::find_merge_section,
381 Output_section::find_relaxed_input_section,
382 Output_section::build_relaxation_map,
383 Output_section::convert_input_sections_in_list_to_relaxed_sections):
384 New method declarations.
385 (Output_section::merge_section_map_
386 Output_section::merge_section_by_properties_map_,
387 Output_section::relaxed_input_section_map_,
388 Output_section::is_relaxed_input_section_map_valid_,
389 Output_section::generate_code_fills_at_write_): New data members.
391 (Output_section_element_input::set_section_addresses): Call
392 current_data_size and addralign methods of relaxed input sections.
393 (Orphan_output_section::set_section_addresses): Call current_data_size
394 and addralign methods of relaxed input sections.
395 * symtab.cc (Symbol_table::compute_final_value): Extract template
396 from the body of Symbol_table::sized_finalize_symbol.
397 (Symbol_table::sized_finalized_symbol): Call
398 Symbol_table::compute_final_value.
399 * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
400 (Symbol_table::compute_final_value): New templated method declaration.
401 * target.cc (Target::do_make_output_section): New method defintion.
402 * target.h (Target::make_output_section): New method declaration.
403 (Target::relax): Add more parameters for input objects, symbol table
404 and layout. Adjust call to do_relax.
405 (Target::do_make_output_section): New method declaration.
406 (Target::do_relax): Add parameters for input objects, symbol table
409 2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
411 * pread.c: Include stdio.h.
413 2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
415 * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
418 2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
420 * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
421 Change read_shndx type to unsigned int.
422 (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
424 (Sized_dwarf_line_info::read_line_mappings): Likewise.
425 * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
426 Change read_shndx type to unsigned int.
427 (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
429 (Sized_dwarf_line_info::read_line_mappings): Likewise.
430 * layout.cc (Layout::create_symtab_sections): Cast the result of
431 local_symcount * symsize to off_t in the gold_assert.
433 2009-10-09 Viktor Kutuzov <vkutuzov@accesssoftek.com>
435 * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
436 R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
438 (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
439 (Arm_relocate_functions::thm_abs5): New function.
440 (Arm_relocate_functions::abs12): New function.
441 (Arm_relocate_functions::abs16): New function.
442 (Arm_relocate_functions::base_abs): New function.
443 (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
444 (Scan::local): Remove special handling of R_ARM_ABS8. Handle
445 R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
447 (Scan::global): Likewise.
448 (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
449 R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
450 (Relocatable_size_for_reloc::get_size_for_reloc): Handle
451 R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
454 2009-10-09 Viktor Kutuzov <vkutuzov@accesssoftek.com>
456 * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
457 (Arm_relocate_functions::movt_prel): New function.
458 (Arm_relocate_functions::thm_movw_prel_nc): New function.
459 (Arm_relocate_functions::thm_movt_prel): New function.
460 (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
461 R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
462 (Scan::global, Relocate::relocate): Likewise.
463 (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
465 2009-10-09 Mikolaj Zalewski <mikolajz@google.com>
467 * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
469 * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
471 (class Incremental_inputs_header): New class.
472 (Incremental_inputs_header_writer): Edit comment.
473 (Incremental_inputs_entry): New class.
474 (Incremental_inputs_entry_writer): Edit comment.
475 (Sized_incremental_binary::do_find_incremental_inputs_section):
476 Add *strtab_shndx parameter, fill it.
477 (Sized_incremental_binary::do_check_inputs): New method.
478 (Incremental_checker::can_incrementally_link_output_file): Use
479 Sized_incremental_binary::check_inputs.
480 (Incremental_inputs::report_command_line): Save command line in
483 (Incremental_binary::find_incremental_inputs_section): New
485 (Incremental_binary::do_find_incremental_inputs_section): Add
486 strtab_shndx parameter.
487 (Incremental_binary::do_check_inputs): New pure virtual method.
488 (Sized_incremental_binary::do_check_inputs): Declare.
489 (Incremental_checker::Incremental_checker): Add incremental_inputs
490 parameter, use it to initialize incremental_inputs_.
491 (Incremental_checker::incremental_inputs_): New field.
492 (Incremental_checker::command_line): New method.
493 (Incremental_checker::inputs): New method.
494 (Incremental_checker::command_line_): New field.
496 2009-10-09 Mikolaj Zalewski <mikolajz@google.com>
498 * incremental.cc: Include <cstdarg> and "target-select.h".
499 (vexplain_no_incremental): New function.
500 (explain_no_incremental): New function.
501 (Incremental_binary::error): New method.
502 (Sized_incremental_binary::do_find_incremental_inputs_section): New
504 (make_sized_incremental_binary): New function.
505 (open_incremental_binary): New function.
506 (can_incrementally_link_file): Add checks if output is ELF and has
508 * incremental.h: Include "elfcpp_file.h" and "output.h".
509 (Incremental_binary): New class.
510 (Sized_incremental_binary): New class.
511 (open_incremental_binary): Declare.
512 * object.cc (is_elf_object): Use
513 elfcpp::Elf_recognizer::is_elf_file.
514 (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
515 * output.h (Output_file::filesize): New method.
517 2009-10-07 Viktor Kutuzov <vkutuzov@accesssoftek.com>
519 * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
521 (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
522 (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
524 (Arm_relocate_functions::insert_val_thumb_movw_movt): New
526 (Arm_relocate_functions::movw_abs_nc): New function.
527 (Arm_relocate_functions::movt_abs): New function.
528 (Arm_relocate_functions::thm_movw_abs_nc): New function.
529 (Arm_relocate_functions::thm_movt_abs): New function.
530 (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
531 R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
532 (Scan::global): Likewise.
533 (Relocate::relocate): Likewise.
534 (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
536 2009-10-07 Viktor Kutuzov <vkutuzov@accesssoftek.com>
538 * arm.cc (Arm_relocate_functions::got_prel) New function.
539 (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
540 (Relocate::relocate): Likewise.
541 (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
543 2009-10-06 Ian Lance Taylor <iant@google.com>
545 * options.h (class General_options): Define
546 split_stack_adjust_size parameter.
547 * object.h (class Object): Add uses_split_stack_ and
548 has_no_split_stack_ fields. Add uses_split_stack and
549 has_no_split_stack accessor functions. Declare
550 handle_split_stack_section.
551 (class Reloc_symbol_changes): Define.
552 (class Sized_relobj): Define Function_offsets. Declare
553 split_stack_adjust, split_stack_adjust_reltype, and
555 * object.cc (Object::handle_split_stack_section): New function.
556 (Sized_relobj::do_layout): Call handle_split_stack_section.
557 * dynobj.cc (Sized_dynobj::do_layout): Call
558 handle_split_stack_section.
559 * reloc.cc (Sized_relobj::relocate_sections): Call
560 split_stack_adjust for executable sections in split_stack
561 objects. Pass reloc_map to relocate_section.
562 (Sized_relobj::split_stack_adjust): New function.
563 (Sized_relobj::split_stack_adjust_reltype): New function.
564 (Sized_relobj::find_functions): New function.
565 * target-reloc.h: Include "object.h".
566 (relocate_section): Add reloc_symbol_changes parameter. Change
568 * target.h (class Target): Add calls_non_split method. Declare
569 do_calls_non_split virtual method. Declare match_view and
571 * target.cc: Include "elfcpp.h".
572 (Target::do_calls_non_split): New function.
573 (Target::match_view): New function.
574 (Target::set_view_to_nop): New function.
575 * gold.cc (queue_middle_tasks): Give an error if mixing
576 split-stack and non-split-stack objects with -r.
577 * i386.cc (Target_i386::relocate_section): Add
578 reloc_symbol_changes parameter.
579 (Target_i386::do_calls_non_split): New function.
580 * x86_64.cc (Target_x86_64::relocate_section): Add
581 reloc_symbol_changes parameter.
582 (Target_x86_64::do_calls_non_split): New function.
583 * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
585 * powerpc.cc (Target_powerpc::relocate_section): Add
586 reloc_symbol_changes parameter.
587 * sparc.cc (Target_sparc::relocate_section): Add
588 reloc_symbol_changes parameter.
589 * configure.ac: Call AM_CONDITIONAL for the default target.
590 * configure: Rebuild.
591 * testsuite/Makefile.am (TEST_AS): New variable.
592 (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
593 (check_DATA): Add split_i386 and split_x86_64 files.
594 (SPLIT_DEFSYMS): Define.
595 (split_i386_[1234n].o): New targets.
596 (split_i386_[124]): New targets.
597 (split_i386_[1234r].stdout): New targets.
598 (split_x86_64_[1234n].o): New targets.
599 (split_x86_64_[124]): New targets.
600 (split_x86_64_[1234r].stdout): New targets.
601 (MOSTLYCLEANFILES): Add new executables.
602 * testsuite/split_i386.sh: New file.
603 * testsuite/split_x86_64.sh: New file.
604 * testsuite/split_i386_1.s: New file.
605 * testsuite/split_i386_2.s: New file.
606 * testsuite/split_i386_3.s: New file.
607 * testsuite/split_i386_4.s: New file.
608 * testsuite/split_i386_n.s: New file.
609 * testsuite/split_x86_64_1.s: New file.
610 * testsuite/split_x86_64_2.s: New file.
611 * testsuite/split_x86_64_3.s: New file.
612 * testsuite/split_x86_64_4.s: New file.
613 * testsuite/split_x86_64_n.s: New file.
614 * testsuite/testfile.cc (Target_test): Update relocation_section
616 * testsuite/Makefile.in: Rebuild.
618 2009-10-06 Ian Lance Taylor <iant@google.com>
620 * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
621 (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
622 changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE. When
623 handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
624 the address on ldo_addrs_.
625 (Target_i386::Relocate::fix_up_ldo): New function.
627 2009-10-06 Rafael Espindola <espindola@google.com>
629 * plugin.cc (add_input_library): New.
630 (Plugin::load): Add add_input_library to tv.
631 (Plugin_manager::add_input_file): Add the is_lib argument.
632 (add_input_file): Update call to Plugin_manager::add_input_file.
633 (add_input_library): New.
634 * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
636 2009-09-30 Doug Kwan <dougkwan@google.com>
638 * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
639 symbol and call Symbol::may_need_copy_reloc to determine if
640 a copy reloc is needed.
641 * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
642 nocopyreloc is given in command line.
643 (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
644 given in command line.
645 * i386.cc (Target_i386::may_need_copy_reloc): Remove.
646 (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
647 of the removed Target_i386::may_need_copy_reloc.
648 * options.h (copyreloc): New option with default value false.
649 * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
650 (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
651 instead of the removed Target_powerpc::may_need_copy_reloc.
652 * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
653 (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
654 instead of the removed Target_sparc::may_need_copy_reloc.
655 * symtab.h (Symbol::may_need_copy_reloc): New method definition.
656 * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
657 (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
658 instead of the removed Target_x86_64::may_need_copy_reloc.
660 2009-09-30 Ian Lance Taylor <iant@google.com>
662 * object.h (class Object): Remove target_ field, and target,
663 sized_target, and set_target methods.
664 (Object::sized_target): Remove.
665 (class Sized_relobj): Update declarations. Remove sized_target.
666 * object.cc (Sized_relobj::setup): Remove target parameter.
668 (Input_objects::add_object): Don't do anything with the target.
669 (make_elf_sized_object): Add punconfigured parameter. Change all
670 callers. Set or test parameter target.
671 * dynobj.cc (Sized_dynobj::target): Remove target parameter.
673 * parameters.cc (Parameters::set_target): Change parameter type to
675 (Parameters::default_target): Remove.
676 (set_parameters_target): Change parameter type to be non-const.
677 (parameters_force_valid_target): New function.
678 (parameters_clear_target): New function.
679 * parameters.h (class Parameters): Update declarations. Remove
680 default_target method. Add sized_target and clear_target
681 methods. Change target_ to be non-const.
682 (set_parameters_target): Update declaration.
683 (parameters_force_valid_target): Declare.
684 (parameters_clear_target): Declare.
685 * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
686 as NULL if we aren't searching.
687 (Add_symbols::run): Don't check for compatible target.
688 * fileread.cc (Input_file::open_binary): Call
689 parameters_force_valid_target.
690 * gold.cc (queue_middle_tasks): Likewise.
691 * plugin.cc (make_sized_plugin_object): Likewise. Don't call
692 set_target on object.
693 * dynobj.h (class Sized_dynobj): Update declarations.
694 * archive.cc (Archive::get_elf_object_for_member): Return NULL if
695 make_elf_object returns NULL.
696 (Archive::include_member): Don't check whether object target is
698 * output.cc (Output_section::add_input_section): Get target from
700 (Output_section::relax_input_section): Likewise.
701 * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
703 (Sized_relobj::do_scan_relocs): Likewise.
704 (Sized_relobj::relocate_sections): Likewise.
705 * resolve.cc (Symbol_table::resolve): Likewise.
706 * symtab.cc (Symbol_table::wrap_symbol): Likewise. Remove object
707 parameter. Change all callers.
708 (Symbol_table::add_from_object): Get target from parameters.
709 (Symbol_table::add_from_relobj): Don't check object target.
710 (Symbol_table::add_from_dynobj): Likewise.
711 (Symbol_table::define_special_symbol): Get target from
713 * symtab.h (class Symbol_table): Update declaration.
714 * testsuite/binary_unittest.cc (gold_testsuite): Remove target
715 parameter. Change all callers. Clear parameter target.
716 (Binary_test): Test target here.
717 * testsuite/object_unittest.cc (gold_testsuite): Remove
718 target_test_pointer parameter. Change all callers.
719 (Object_test): Test target here.
721 2009-09-26 Ian Lance Taylor <iant@google.com>
723 * testsuite/initpri1.c: Don't try to use constructor priorities if
724 compiling with gcc before 4.3.
726 2009-09-22 Mikolaj Zalewski <mikolajz@google.com>
728 * testsuite/retain_symbols_file_test.sh (check_present): Change
729 output file name to retain_symbols_file_test.stdout.
730 (check_absent): Likewise.
732 2009-09-18 Craig Silverstein <csilvers@google.com>
734 * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
735 * options.cc: Include <cerrno> and <fstream>.
736 (General_options::finalize): Parse -retain-symbols-file tag.
737 * options.h: New flag.
738 (General_options): New method should_retain_symbol, new
739 variable symbols_to_retain.
740 * symtab.cc (Symbol_table::sized_finalize_symbol): Test
741 should_retain_symbol map.
742 * testsuite/Makefile.am (retain_symbols_file_test): New test.
743 * testsuite/Makefile.in: Regenerate.
744 * testsuite/retain_symbols_file_test.sh: New file.
746 2009-09-18 Nick Clifton <nickc@redhat.com>
748 * po/es.po: Updated Spanish translation.
750 2009-09-17 Doug Kwan <dougkwan@google.com>
752 * debug.h (DEBUG_RELAXATION): New constant.
753 (DEBUG_ALL): Add DEBUG_RELAXATION.
754 (debug_string_to_enum): Add relaxation debug option.
756 (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
757 Layout::Relaxation_debug_check::read_sections,
758 Layout::Relaxation_debug_check::read_sections): New method definitions.
759 (Layout::Layout): Initialize data members
760 record_output_section_data_from_scrips_,
761 script_output_section_data_list_ and relaxation_debug_check_.
762 (Layout::save_segments, Layout::restore_segments,
763 Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
764 Layout::relaxation_loop_body): New method definitions.
765 (Layout::finalize): Support relaxation. Move section layout code to
766 Layout::relaxation_loop_body.
767 (Layout::set_asection_address_from_script): Move code for orphan
768 section placement out.
769 (Layout::place_orphan_sections_in_script): New method definition.
770 * layout.h (Output_segment_headers, Output_file_header):
771 New forward class declarations.
772 (Layout::~Layout): Define.
773 (Layout::new_output_section_data_from_script): New method definition.
774 (Layout::place_orphan_sections_in_script): New method declaration.
775 (Layout::Segment_states): New type declaration.
776 (Layout::save_segments, Layout::restore_segments,
777 Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
778 Layout::relaxation_loop_body): New method declarations.
779 (Layout::Output_section_data_list): New type declaration.
780 (Layout::Relaxation_debug_check): New class definition.
781 (Layout::record_output_section_data_from_script_,
782 Layout::script_output_section_data_list_, Layout::segment_states_,
783 Layout::relaxation_debug_check_): New data members.
784 * output.cc: (Output_section_headers::do_size): New method definition.
785 (Output_section_headers::Output_section_headers): Move size
786 computation to Output_section_headers::do_size.
787 (Output_segment_headers::do_size): New method definition.
788 (Output_file_header::Output_file_header): Move size computation to
789 Output_file_header::do_size and call it.
790 (Output_file_header::do_size): New method definition.
791 (Output_data_group::Output_data_group): Adjust call to
793 (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
794 (Output_symtab_xindex::do_write): Add array bound check.
795 (Output_section::Input_section::print_to_mapfile): Handle
796 RELAXED_INPUT_SECTION_CODE.
797 (Output_section::Output_section): Initialize data member checkpoint_.
798 (Output_section::~Output_section): Delete checkpoint object pointed
800 (Output_section::add_input_section): Always add an Input_section if
802 (Output_section::add_merge_input_section): Add assert.
803 (Output_section::relax_input_section): New method definition.
804 (Output_section::set_final_data_size): Set load address to zero for
805 an unallocated section.
806 (Output_section::do_address_and_file_offset_have_reset_values):
807 New method definition.
808 (Output_section::Input_section_sort_enty::Input_section_sort_enty):
809 Handle relaxed input section.
810 (Output_section::sort_attached_input_sections): Checkpoint input
812 (Output_section::get_input_sections): Change type of input_sections to
813 list of Simple_input_section pointers. Checkpoint input section list
814 lazily. Also handle relaxed input sections.
815 (Output_section::add_input_section_for_script): Take a reference to
816 a Simple_input_section object instead of Relobj pointer and section
817 index as parameter. Handle relaxed input sections.
818 (Output_section::save_states, Output_section::restore_states): New
820 * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
821 (Output_data::is_data_size_fixed): New method definition.
822 (Output_data::reset_addresss_and_file_offset): Do not reset data size
824 (Output_data::address_and_file_offset_have_reset_values): New method
826 (Output_data::do_address_and_file_offset_have_reset_values): New method
828 (Output_data::set_data_size): Check that data size is not fixed.
829 (Output_data::fix_data_size): New method definition.
830 (Output_data::is_data_size_fixed_): New data member.
831 (Output_section_headers::set_final_data_size): New method definition.
832 (Output_section_headers::do_size): New method declaration.
833 (Output_segment_headers::set_final_data_size): New method definition.
834 (Output_segment_headers::do_size): New method declaration.
835 (Output_file_header::set_final_data_size)::New method definition.
836 (Output_file_header::do_size)::New method declaration.
837 (Output_section_data::Output_section_data): Add new parameter
838 is_data_size_fixed and use it to fix data size.
839 (Output_data_const::Output_data_const): Adjust call to base class
840 constructor and fix data size.
841 (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
842 base class constructor and fix data size.
843 (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
844 base class constructor and fix data size.
845 (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
846 class constructor and fix data size.
847 (Output_data_group::set_final_data_size): New method definition.
848 (Output_data_dynamic::Dynamic_entry::tag): New method definition.
849 (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
850 class constructor and fix data size.
851 (Output_relaxed_input_section): New class definition.
852 (Output_section::Simple_input_section): New class definition.
853 (Output_section::get_input_sections): Adjust parameter list.
854 (Output_section::add_input_section_for_script): Same.
855 (Output_section::save_states, Output_section::restore_states,
856 Output_section::do_address_and_file_offset_have_reset_values,
857 (Output_section::Input_section::Input_section): Handle
858 RELAXED_INPUT_SECTION_CODE. Add new overload for
859 Output_relaxed_input_section.
860 (Output_section::Input_section::is_input_section,
861 Output_section::Input_section::set_output_section): Handle relaxed
863 (Output_section::Input_section::is_relaxed_input_section,
864 Output_section::Input_section::output_section_data,
865 Output_section::Input_section::relaxed_input_section): New method
867 (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
869 (Output_section::Input_section::u1_): Update comments.
870 (Output_section::Input_section::u2_): Add new union member poris.
871 (Output_section::Checkpoint_output_section): New classs definition.
872 (Output_section::relax_input_section): New method declaration.
873 (Output_section::checkpoint_): New data member.
874 (Output_segment): Update comments.
875 (Output_segment::Output_segment): Un-privatize copy constructor.
876 (Output_segment::operator=): Un-privatize.
877 * script-sections.cc (Output_section_element::Input_section_list):
878 Change element type to Output_section::Simple_input_section.
879 (Output_section_element_dot_assignment::set_section_addresses):
880 Register output section data for relaxation clean up.
881 (Output_data_exression::Output_data_expression): Adjust call to base
882 constructor to fix data size.
883 (Output_section_element_data::set_section_addresses): Register
884 Output_data_expression object for relaxation clean up.
885 (struct Input_section_info): Replace Relobj pointer and section index
886 pair with Output_section::Simple_input_section and Convert struct to a
888 (Input_section_sorter::operator()): Adjust access to
889 Input_section_info data member to use accessors.
890 (Output_section_element_input::set_section_addresses): Use layout
891 parameter. Adjust code to use Output_section::Simple_input_section
892 and Input_secction_info classes. Register filler for relaxation
894 (Orphan_output_section::set_section_addresses): Replace Relobj pointer
895 and section index pair with Output_section::Simple_input_section
896 class. Adjust code accordingly.
897 (Phdrs_element::release_segment): New method definition.
898 (Script_sections::attach_sections_using_phdrs_clause): Do not modify
900 (Script_sections::release_segments): New method definition.
901 * gold/script-sections.h (Script_sections::release_segments): New
903 * gold/target.h (Target::may_relax, Target::relax,
904 Target::do_may_relax, Target::do_relax): New method definitions.
906 2009-09-17 Viktor Kutuzov <vkutuzov@accesssoftek.com>
908 * arm.cc (has_signed_unsigned_overflow): New function.
909 (Arm_relocate_functions::abs8): New function.
910 (Target_arm::Scan::local): Handle R_ARM_ABS8.
911 (Target_arm::Scan::global): Likewise.
912 (Target_arm::relocate::relocate): Likewise.
913 (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
916 2009-09-16 Cary Coutant <ccoutant@google.com>
918 * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
919 * testsuite/Makefile.in: Regenerate.
921 2009-09-11 Nick Clifton <nickc@redhat.com>
923 * po/gold.pot: Updated by the Translation project.
925 2009-09-08 Cary Coutant <ccoutant@google.com>
927 * output.cc (Output_file::open): Add execute permission to empty file.
928 * testsuite/Makefile.am (permission_test): New test.
929 * testsuite/Makefile.in: Regenerate.
931 2009-09-02 Ian Lance Taylor <iant@google.com>
933 * output.cc (Output_file::resize): Call map_no_anonymous rather
936 2009-09-01 Mikolaj Zalewski <mikolajz@google.com>
938 * gold.cc: Include "incremental.h".
939 (queue_initial_tasks): Call Incremental_checker methods.
940 * incremental.cc: Include "output.h".
941 (Incremental_checker::can_incrementally_link_output_file): New
943 * incremental.h (Incremental_checker): New class.
945 * output.cc (Output_file::open_for_modification): New method.
946 (Output_file::map_anonymous): Changed return type to bool. Record
948 (Output_file::map_no_anonymous): New method, broken out of map.
949 (Output_file::map): Use map_no_anonymous and map_anonymous.
950 * output.h (class Output_file): Update declarations.
952 2009-08-24 Cary Coutant <ccoutant@google.com>
954 * options.h (Command_line::Pre_options): New class.
955 (Command_line::pre_options): New member.
956 * options.cc (gold::options::ready_to_register): New variable.
957 (One_option::register_option): Do nothing if not registering options.
958 Assert if same short option registered twice.
959 (General_options::General_options): Turn off option registration when
961 (Command_line::Pre_options::Pre_options): New constructor.
963 2009-08-24 Cary Coutant <ccoutant@google.com>
965 * options.h (General_options::no_keep_memory): Remove incorrect
968 2009-08-24 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
970 * Makefile.am (am__skiplex, am__skipyacc): New.
971 * Makefile.in: Regenerate.
973 2009-08-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
975 * Makefile.am (AM_CPPFLAGS): Renamed from ...
976 (INCLUDES): ... this.
977 * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
978 (AM_CPPFLAGS): Renamed from ...
980 * Makefile.in, testsuite/Makefile.in: Regenerate.
982 * Makefile.in: Regenerate.
983 * aclocal.m4: Likewise.
984 * config.in: Likewise.
985 * configure: Likewise.
986 * testsuite/Makefile.in: Likewise.
988 * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
989 * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
990 * Makefile.in: Regenerate.
991 * testsuite/Makefile.in: Regenerate.
993 2009-08-19 Cary Coutant <ccoutant@google.com>
995 * resolve.cc (Symbol_table::resolve): Don't complain about defined
996 symbols in shared libraries overridden by hidden or internal symbols
999 2009-08-19 Chris Demetriou <cgd@google.com>
1001 * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
1002 checking source file names in error messages.
1004 2009-08-18 Doug Kwan <dougkwan@google.com>
1006 * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
1007 an elcpp::Ehdr as parameter. Adjust call to set_target.
1008 * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
1009 an elfcpp::Ehdr as parameter.
1010 * object.cc (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. Adjust call to set_target.
1014 (make_elf_sized_object): Find target and ask target to
1016 * object.h: (Object::set_target): Remove the version that looks up
1017 a target and sets it.
1018 (Sized_relobj::setup): Take a Target object instead of
1019 an elfcpp:Ehdr as parameter.
1020 * target.cc: Include dynobj.h.
1021 (Target::do_make_elf_object_implementation): New.
1022 (Target::do_make_elf_object): New.
1023 * target.h (Target::make_elf_object): New template declaration.
1024 (Target::do_make_elf_object): New method declarations.
1025 (Target::do_make_elf_object_implementation): New template declaration.
1027 2009-08-14 Ian Lance Taylor <iant@google.com>
1029 * gold.h (FUNCTION_NAME): Define.
1030 (gold_unreachable): Use FUNCTION_NAME.
1032 2009-08-12 Sriraman Tallam <tmsriram@google.com>
1034 * icf.cc (Icf::find_identical_sections): Issue a warning when a
1035 symbol in the --keep-unique list is not found.
1037 2009-08-12 Sriraman Tallam <tmsriram@google.com>
1039 * icf.cc (Icf::find_identical_sections): Unfold symbols that have
1040 been maked as --keep-unique.
1041 (Icf::unfold_section): New function.
1042 * icf.h (Icf::unfold_section): New function.
1043 * options.h (General_options::keep_unique): New option.
1044 * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
1045 * testsuite/Makefile.in: Regenerate.
1046 * testsuite/icf_keep_unique_test.sh: New file.
1047 * testsuite/icf_keep_unique_test.cc: New file.
1049 2009-08-12 Cary Coutant <ccoutant@google.com>
1052 * resolve.cc (Symbol_table::resolve): Check for references from
1053 dynamic objects to hidden and internal symbols.
1054 * testsuite/Makefile.am (hidden_test.sh): New test.
1055 * testsuite/Makefile.in: Regenerate.
1056 * testsuite/hidden_test.sh: New script.
1057 * testsuite/hidden_test_1.c: New test source.
1058 * testsuite/hidden_test_main.c: New test source.
1060 2009-08-11 Doug Kwan <dougkwan@google.com>
1062 * arm.cc: Update comments.
1063 (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
1064 segment to locate the .ARM.exidx section if present.
1066 2009-08-09 Doug Kwan <dougkwan@google.com>
1068 * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
1071 2009-08-07 Sriraman Tallam <tmsriram@google.com>
1072 * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
1075 2009-08-06 Sriraman Tallam <tmsriram@google.com>
1077 * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
1078 valid tls_segment only for non-debug-section relocations.
1079 * testsuite/Makefile.am: Add gc_tls_test.
1080 * testsuite/Makefile.in: Regenerate.
1081 * testsuite/gc_tls_test.cc: New file.
1082 * testsuite/gc_tls_test.sh: New file.
1084 2009-08-05 Sriraman Tallam <tmsriram@google.com>
1088 * Makefile.am (CCFILES): Add icf.cc.
1090 * Makefile.in: Regenerate.
1091 * dynobj.h (Sized_dynobj::do_section_entsize): New function.
1092 * gc.h (gc_process_relocs): Populate lists used by icf to contain
1093 section, symbol and addend information for the relocs.
1094 * gold.cc (queue_middle_tasks): Call identical code folding.
1095 * gold.h: Add defines for multimap.
1096 * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
1097 to the call of finalize_local_symbols.
1098 * main.cc (main): Create object of class Icf.
1099 * object.cc (Sized_relobj::do_layout): Allow this function to be
1100 called twice during icf.
1101 (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
1102 to sections marked as identical by icf.
1103 (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
1105 (Sized_relobj::do_section_entsize): New function.
1106 * object.h (Object::section_entsize): New function.
1107 (Object::do_section_entsize): New pure virtual function.
1108 (Relobj::finalize_local_symbols): Add new parameter.
1109 (Relobj::do_section_entsize): New function.
1110 * options.h (General_options::icf): New option.
1111 (General_options::icf_iterations): New option.
1112 (General_options::print_icf_sections): New option.
1113 * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
1114 * plugin.h (Sized_pluginobj::do_section_entsize): New function.
1115 * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
1117 * symtab.cc (Symbol_table::is_section_folded): New function.
1118 (Symbol_table::sized_finalize_symbol): Fold symbols corresponding
1119 to sections marked as identical by icf.
1120 * symtab.h (Symbol_table::set_icf): New function.
1121 (Symbol_table::icf): New function.
1122 (Symbol_table::is_section_folded): New function.
1123 (Symbol_table::icf_): New data member.
1124 * target-reloc.h (relocate_section): Ignore sections folded by icf.
1125 * testsuite/Makefile.am: Add commands to build icf_test.
1126 * testsuite/Makefile.in: Regenerate.
1127 * testsuite/icf_test.sh: New file.
1128 * testsuite/icf_test.cc: New file.
1130 2009-07-24 Chris Demetriou <cgd@google.com>
1132 * layout.cc (is_compressible_debug_section): Fix incorrect
1133 comment about compressed section names.
1135 2009-07-20 Ian Lance Taylor <ian@airs.com>
1138 * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
1140 2009-07-16 Ian Lance Taylor <iant@google.com>
1143 * layout.h: #include <map>.
1144 (class Kept_section): Change from struct to class. Add accessors
1145 and setters. Add section size to Comdat_group mapping. Change
1146 Comdat_group to std::map. Add is_comdat_ field. Add
1147 linkonce_size field in union.
1148 (class Layout): Update declaration of find_or_add_kept_section.
1149 Don't declare find_kept_object.
1150 * layout.cc (Layout::find_or_add_kept_section): Remove candidate
1151 parameter. Add object, shndx, is_comdat, and is_group_name
1152 parameters. Change all callers. Adjust for new Kept_section.
1153 (Layout::find_kept_object): Remove.
1154 * object.cc (Sized_relobj::include_section_group): Update use of
1155 Kept_section. Rename secnum to shndx. Only record
1156 Kept_comdat_section if sections are the same size.
1157 (Sized_relobj::include_linkonce_section): Update use of
1158 Kept_section. Only record Kept_comdat_section if sections are the
1159 same size. Set size of linkonce section.
1160 (Sized_relobj::map_to_kept_section): Update call to
1161 get_kept_comdat_section.
1162 * object.h (class Sized_relobj): Rename fields in
1163 Kept_comdat_section to drop trailing underscores; change object
1164 field to Relobj*. Change Kept_comdat_section_table to store
1165 struct rather than pointer.
1166 (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
1167 Add kept_object and kept_shndx parameters. Change all callers.
1168 (Sized_relobj::get_kept_comdat_section): Change return type to
1169 bool. Add kept_object and kept_shndx parameters. Change all
1171 * plugin.cc (Pluginobj::include_comdat_group): Update call to
1172 Layout::find_or_add_kept_section.
1174 2009-07-09 Ian Lance Taylor <iant@google.com>
1176 * merge.cc (Object_merge_map::initialize_input_to_output_map):
1177 Reserve space in the hash table.
1179 2009-07-06 Mikolaj Zalewski <mikolajz@google.com>
1181 * fileread.cc (File_read::get_mtime): New method.
1182 * fileread.h (Timespec): New structure.
1183 (File_read::get_mtime): New method.
1184 * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
1185 Renamed from timestamp_nsec.
1186 (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
1188 (Incremental_inputs_entry_write::timestamp_usec): Renamed from
1190 (Incremental_inputs::report_archive): Save mtime; style fix.
1191 (Incremental_inputs::report_obejct): Save mtime; style fix.
1192 (Incremental_inputs::report_script): Save mtime; style fix.
1193 (Incremental_inputs::finalize_inputs): Style fix.
1194 (Incremental_inputs::finalize): Style fix.
1195 (Incremental_inputs::create_input_section_data): Store inputs
1197 * incremental.h (Incremental_inputs::report_script): Add mtime
1199 (Incremental_inputs::Input_info::Input_info): Intialize only one
1201 (Incremental_inputs::Input_info::archive): Move to nameless
1203 (Incremental_inputs::Input_info::obejct): Move to nameless union.
1204 (Incremental_inputs::Input_info::script): Move to nameless union.
1205 (Incremental_inputs::mtime): New field.
1206 * script.cc (read_input_script): Pass file mtime to
1208 * script.h (Script_info::inputs): Style fix.
1210 2009-07-01 Ian Lance Taylor <ian@airs.com>
1212 * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
1215 2009-06-24 Ian Lance Taylor <iant@google.com>
1218 * layout.cc (Layout::choose_output_section): If we find an
1219 existing section, update the flags.
1220 (Layout::create_notes): New function, broken out of
1222 (Layout::finalize): Don't create note sections.
1223 (Layout::create_note): Don't crash if linker script discards
1225 (Layout::create_gold_note): Likewise.
1226 (Layout::create_build_id): Likewise. Don't set
1227 after_input_sections on the section.
1228 (Layout::create_executable_stack_info): Remove target parameter.
1230 * layout.h (class Layout): Declare create_notes. Update
1231 declaration of create_executable_stack_info.
1232 * gold.cc (queue_middle_tasks): Call create_notes.
1233 * output.cc (Output_section::update_flags_for_input_section): Move
1234 here from output.h. If SHF_ALLOC flag is newly set, mark address
1236 * output.h (Output_data::mark_address_invalid): New function.
1237 (class Output_section): Only declare, not define,
1238 update_flags_for_input_section. Remove set_flags.
1240 2009-06-24 Ian Lance Taylor <iant@google.com>
1242 * script-sections.cc (Output_section_definition::
1243 set_section_addresses): Rename shadowing local load_address to
1246 2009-06-24 Ian Lance Taylor <iant@google.com>
1249 * reloc.cc (relocate_sections): Skip empty relocation sections.
1251 2009-06-23 Ian Lance Taylor <iant@google.com>
1254 * layout.cc (Layout::create_note): Use choose_output_section
1255 rather than make_output_section.
1257 2009-06-23 Ian Lance Taylor <iant@google.com>
1260 * options.cc (General_options::parse_V): Set printed_version_.
1261 (General_options::General_options): Initialize printed_version_.
1262 * options.h (class General_options): Add printed_version_ field.
1263 * gold.cc (queue_initial_tasks): If there are no input files,
1264 don't give a fatal error if we printed the version information.
1265 (queue_middle_tasks): If using -r with a shared object, give a
1266 fatal error rather than an ordinary error.
1268 2009-06-23 Ian Lance Taylor <iant@google.com>
1271 * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
1272 (Layout::make_output_section): Set have_stabstr_section_ if we see
1273 a .stab*str section.
1274 (Layout::finalize): Call link_stabs_sections.
1275 (Layout::link_stabs_sections): New file.
1276 * layout.h (class Layout): Add have_stabstr_section_ field.
1277 Declare link_stabs_sections.
1279 2009-06-23 Doug Kwan <dougkwan@google.com>
1281 * Makefile.am (libgold_a_LIBADD): New.
1282 (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
1283 * Makefile.in: Regenerate.
1284 * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
1285 * configure: Regenerate.
1286 * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
1287 * fileread.cc: Include sys/state.h
1288 * gold.h: Declare memmem and strndup if found missing.
1289 * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
1291 2009-06-23 Ian Lance Taylor <iant@google.com>
1293 * configure.ac: Call AC_CHECK_DECLS using C, not C++.
1294 * configure: Rebuild.
1296 2009-06-23 Ian Lance Taylor <iant@google.com>
1299 * object.cc (Object::section_contents): Don't try to get a view if
1300 the section has length zero.
1301 (Object::handle_gnu_warning_section): If the section is empty, use
1302 the name of the section as the warning.
1304 2009-06-23 Ian Lance Taylor <iant@google.com>
1307 * stringpool.h (class Stringpool_template): Add optimize_ field.
1308 (Stringpool_template::set_optimize): New function.
1309 * stringpool.cc (Stringpool_template::Stringpool_template):
1310 Initialize optimize_ field.
1311 (Stringpool_template::set_string_offsets): Test local optimize
1312 fild rather than parameter.
1313 * layout.cc (Layout::Layout): Call set_optimize on the section
1316 2009-06-22 Ian Lance Taylor <iant@google.com>
1319 * yyscript.y: Parse TARGET.
1320 * script.cc (script_set_target): New function.
1321 * script-c.h (script_set_target): Declare.
1322 * options.cc (General_options::string_to_object_format): Rename
1323 from string_to_object_format in anonymous namespace. Change
1325 * options.h (class General_options): Declare
1326 string_to_object_format.
1328 2009-06-22 Ian Lance Taylor <iant@google.com>
1330 * script-sections.cc (Script_sections::create_segments): Don't put
1331 program headers in a PT_LOAD segment if -n or -N.
1333 2009-06-22 Ian Lance Taylor <iant@google.com>
1336 * options.h (class General_options): Add -z lazy and -z now. Sort
1337 -z options into alphabetical order.
1338 * layout.cc (Layout::finish_dynamic_section): Handle -z now.
1340 2009-06-21 Ian Lance Taylor <iant@google.com>
1342 * layout.cc (Layout::make_output_section): Call
1343 Target::new_output_section.
1344 (Layout::attach_allocated_section_to_segment): Put large section
1345 sections in a separate load segment with the large segment flag
1347 (Layout::segment_precedes): Sort large data segments after other
1349 (align_file_offset): New static function.
1350 (Layout::set_segment_offsets): Use align_file_offset.
1351 * output.h (class Output_section): Add is_small_section_ and
1352 is_large_section_ fields.
1353 (Output_section::is_small_section): New function.
1354 (Output_section::set_is_small_section): New function.
1355 (Output_section::is_large_section): New function.
1356 (Output_section::set_is_large_section): New function.
1357 (Output_section::is_large_data_section): New function.
1358 (class Output_segment): Add is_large_data_segment_ field.
1359 (Output_segment::is_large_data_segment): New function.
1360 (Output_segment::set_is_large_data_segment): New function.
1361 * output.cc (Output_section::Output_section): Initialize new
1363 (Output_segment::Output_segment): Likewise.
1364 (Output_segment::add_output_section): Add assertion that large
1365 data sections always go in large data segments. Force small data
1366 sections to the end of the list of data sections. Force small BSS
1367 sections to the start of the list of BSS sections. For large BSS
1368 sections to the end of the list of BSS sections.
1369 * symtab.h (class Symbol): Declare is_common_shndx.
1370 (Symbol::is_defined): Check Symbol::is_common_shndx.
1371 (Symbol::is_common): Likewise.
1372 (class Symbol_table): Define enum Commons_section_type. Update
1373 declarations. Add small_commons_ and large_commons_ fields.
1374 * symtab.cc (Symbol::is_common_shndx): New function.
1375 (Symbol_table::Symbol_table): Initialize new fields.
1376 (Symbol_table::add_from_object): Put small and large common
1377 symbols in the right list.
1378 (Symbol_table::sized_finalized_symbol): Check
1379 Symbol::is_common_shndx.
1380 (Symbol_table::sized_write_globals): Likewise.
1381 * common.cc (Symbol_table::do_allocate_commons): Allocate new
1382 common symbol lists. Don't call do_allocate_commons_list if the
1384 (Symbol_table::do_allocate_commons_list): Remove is_tls
1385 parameter. Add comons_section_type parameter. Change all
1386 callers. Handle small and large common symbols.
1387 * object.cc (Sized_relobj::do_finalize_local_symbols): Check
1388 Symbol::is_common_shndx.
1389 * resolve.cc (symbol_to_bits): Likewise.
1390 * target.h (Target::small_common_shndx): New function.
1391 (Target::small_common_section_flags): New function.
1392 (Target::large_common_shndx): New function.
1393 (Target::large_common_section_flags): New function.
1394 (Target::new_output_section): New function.
1395 (Target::Target_info): Add small_common_shndx, large_common_shndx,
1396 small_common_section_flags, and large_common_section_flags
1398 (Target::do_new_output_section): New virtual function.
1399 * arm.cc (Target_arm::arm_info): Initialize new fields.
1400 * i386.cc (Target_i386::i386_info): Likewise.
1401 * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
1403 * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
1404 * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
1405 (Target_x86_64::do_new_output_section): New function.
1406 * configure.ac: Define conditional MCMODEL_MEDIUM.
1407 * testsuite/Makefile.am (check_PROGRAMS): Add large.
1408 (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
1409 (large_LDFLAGS): Define.
1410 * testsuite/large.c: New file.
1411 * testsuite/testfile.cc (Target_test::test_target_info):
1412 Initialize new fields.
1413 * configure, testsuite/Makefile.in: Rebuild.
1415 2009-06-05 Doug Kwan <dougkwan@google.com>
1417 * Makefile.am (CCFILES): Add target.cc.
1418 * Makefile.in: Regenerate.
1419 * i386.cc (class Target_i386): Define new virtual method to
1420 override do_is_local_label_name in parent.
1421 * object.cc (Sized_relobj::do_count_local_symbols): Discard
1422 local symbols if --discard-locals or -X is given.
1423 * options.h (class General_options): Declare new options
1424 '--discard-locals' and '-X' for discarding locals.
1425 * target.h (class Target): Define new methods is_local_label_name.
1426 Declare new virtual method do_is_local_label_name.
1427 * target.cc: New file.
1428 * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
1429 (check_SCRIPTS): Add discard_locals_test.sh.
1430 (check_DATA): Add discard_local_tests.syms.
1431 (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
1432 (discard_local_tests.syms, discard_locals_test.o): New make rules.
1433 * testsuite/Makefile.in: Regenerate.
1434 * testsuite/discard_locals_test.c: New file.
1435 * testsuite/discard_locals_test.sh: Same.
1437 2009-06-05 Doug Kwan <dougkwan@google.com>
1439 * object.cc (Sized_relobj::Sized_relobj): Initialize
1440 discarded_eh_frame_shndx_ to -1U.
1441 (Sized_relobj::do_layout): Record index of a discard .eh_frame
1443 (Sized_relobj::do_count_local_symbols): Skip local symbols in
1444 a discarded .eh_frame section.
1445 (Sized_relobj::do_finalize_local_symbols): Ditto.
1446 * object.h (class Sized_relobj): Declare new member
1447 discarded_eh_frame_shndx_.
1448 * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
1449 (local_labels_test.o, local_labels_test): New rules.
1450 * testsuite/Makefile.in: Regenerate.
1452 2009-06-04 Doug Kwan <dougkwan@google.com>
1454 * layout.cc (Layout::section_name_mapping): Add mapping for
1455 special ARM sections.
1457 2009-06-03 Doug Kwan <dougkwan@google.com>
1459 * arm.cc (utils::sign_extend): Reverse test in gold_assert.
1460 (utils::has_overflow): Same.
1462 2009-06-03 Ian Lance Taylor <iant@google.com>
1464 * layout.cc (Layout::section_name_mapping): New array, replacing
1465 Layout::linkonce_mapping.
1466 (Layout::section_name_mapping_count): New variable, replacing
1467 Layout::linkonce_mapping_count.
1468 (Layout::linkonce_output_name): Remove.
1469 (Layout::output_section_name): Rewrite.
1470 * layout.h (class Layout): Rename Linkonce_mapping to
1471 Section_name_mapping, linkonce_mapping to section_name_mapping,
1472 linkonce_mapping_count to section_name_mapping_count. Don't
1473 declare linkonce_output_name.
1475 2009-06-03 Doug Kwan <dougkwan@google.com>
1477 * gold/arm.cc (namespace utils): New.
1478 (Target_arm::reloc_is_non_pic): Define new method.
1479 (class Arm_relocate_functions): New.
1480 (Target_arm::Relocate::relocate): Handle relocation types used by
1483 2009-06-03 Ian Lance Taylor <iant@google.com>
1485 * arm.cc (Target_arm::scan::global): Use || instead of |.
1487 2009-06-02 Doug Kwan <dougkwan@google.com>
1489 * gold/arm.cc (Target_arm::Scan::Scan): Initialize
1490 issued_non_pic_error_.
1491 (class Target_arm::Scan): Declare new method check_non_pic.
1492 Define new method symbol_needs_plt_entry.
1493 Declare new data member issued_non_pic_error_.
1494 (class Target_arm::Relocate): Declare new method
1495 should_apply_static_reloc.
1496 (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
1497 (Target_arm::Scan::check_non_pic): Define new method.
1498 (Target_arm::Scan::local): Handle a small subset of reloc types used
1500 (Target_arm::Scan::local): Same.
1501 (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
1503 2009-05-31 Mikolaj Zalewski <mikolajz@google.com>
1505 * incremental.cc (Incremental_inputs::report_command_line): Filter
1506 out --incremental-* options.
1508 2009-05-29 Doug Kwan <dougkwan@google.com>
1510 * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
1512 (class Target_arm): Update comment.
1513 (Target_arm::Target_arm): Initialize new data members GOT_,
1514 PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
1515 Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
1516 and Target_arm::rel_dyn_section.
1517 Declare new_enum Target_arm::Got_type.
1518 Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
1520 Update commments for member do_dynsym_value.
1521 (Target_arm::got_size, Target_arm::plt_section,
1522 Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
1523 new methods inside class defintion.
1524 (Target_arm::got_section): Define new method.
1525 (Target_arm::rel_dyn_section): Same.
1526 (Output_data_plt_arm): New template class.
1527 (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
1528 (Output_data_plt_arm:do_adjust_output_section): Define new method.
1529 (Output_data_plt_arm::add_entry): Same.
1530 (Output_data_plt_arm::first_plt_entry): Define new
1531 static data member for PLT instruction template.
1532 (Output_data_plt_arm::plt_entry): Same.
1533 (Output_data_plt_arm::do_write): Define new method.
1534 (Target_arm::make_plt_entry): Same.
1535 (Target_arm::do_finalize_sections): Same.
1536 (Target_arm::do_dynsym_value): Same.
1538 2009-05-28 Doug Kwan <dougkwan@google.com>
1540 * Makefile.am (TARGETSOURCES): Add arm.cc.
1541 (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
1542 * Makefile.in: Regenerate.
1544 * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
1546 2009-05-26 Doug Kwan <dougkwan@google.com>
1548 * options.cc (General_options::parse_exclude_libs). Fix a comment.
1549 (General_options::check_excluded_libs): Strip off directories in
1550 archive name before matching like GNU ld does.
1551 * testsuite/Makefile.am (MOSTLYCLEANFILES,
1552 exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
1553 (exclude_libs_test_LDFLAGS): Add linker option
1554 -Wl,--exclude-libs,libexclude_libs_test_3
1555 (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
1556 an explicit archive without using -l.
1557 (alt/libexclude_libs_test_3.a): New make rule.
1558 * testsuite/Makefile.in: Regenerate.
1559 * testsuite/exclude_libs_test.c : Declare lib3_default().
1561 * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
1562 * exclude_libs_test_3.c: New file.
1564 2009-05-26 Nick Clifton <nickc@redhat.com>
1566 * po/id.po: New Indonesian translation.
1567 * po/gold.pot: Updated template file.
1569 2009-05-22 Sriraman Tallam <tmsriram@google.com>
1571 * testsuite/Makefile.am: Add -ffunction-sections to compile
1572 gc_comdat_test files. Add -Wl,--gc-sections to build
1574 * testsuite/Makefile.in: Regenerate.
1575 * testsuite/gc_comdat_test.sh: Fix the condition around grep.
1577 2009-05-21 Sriraman Tallam <tmsriram@google.com>
1579 * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
1580 kept comdat section was garbage collected.
1581 * testsuite/Makefile.am: Add test gc_comdat_test.sh.
1582 * testsuite/Makefile.in: Regenerate.
1583 * testsuite/gc_comdat_test.sh: New file.
1584 * testsuite/gc_comdat_test_1.cc: New file.
1585 * testsuite/gc_comdat_test_2.cc: New file.
1587 2009-05-19 Doug Kwan <dougkwan@google.com>
1589 * archive.cc (Archive::Archive): Move constructor from archive.h
1590 to here. Initialize no_export_.
1591 (Archive::get_elf_object_for_member): Set no_export flag of object.
1592 * archive.h (Archive::Archive): Move constructor body to
1594 (Archive::no_export): New method.
1595 (Archive::no_export_): New field.
1596 * object.h (Object::Object): Initialize no_export_ to false.
1597 (Object::no_export, Object::set_no_export): New methods.
1598 (Object::no_export_): New field.
1599 * options.cc (General_options::parse_exclude_libs): New method.
1600 (General_options::check_excluded_libs) Same.
1601 * options.h (exclude_libs): New option.
1602 (General_options::check_excluded_libs): New method declaration.
1603 (General_options::excluded_libs_): New field.
1604 * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
1605 default or protected visibility if an object has no-export flag set.
1606 testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
1607 (check_SCRIPTS): Add exclude_libs_test.sh.
1608 (check_DATA): Add exclude_libs_test.syms.
1609 (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
1610 libexclude_libs_test_1.a and libexclude_libs_test_2.a.
1611 (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
1612 exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
1613 (exclude_libs_test.syms, libexclude_libs_test_1.a,
1614 libexclude_libs_test_2.a): New rules.
1615 * testsuite/Makefile.in: Regenerate.
1616 * testsuite/exclude_libs_test.c: New file.
1617 * testsuite/exclude_libs_test.sh: Ditto.
1618 * testsuite/exclude_libs_test_1.c: Ditto.
1619 * testsuite/exclude_libs_test_2.c: Ditto.
1621 2009-05-15 Ian Lance Taylor <iant@google.com>
1623 * configure.ac: Check for declarations for cases where libiberty.h
1624 checks HAVE_DECL_xxx.
1625 * configure, config.in: Rebuild.
1627 2009-05-15 Mikolaj Zalewski <mikolajz@google.com>
1629 * gold.h (Incremental_argument_list): Remove (invalid) forward
1631 * incremental.cc (Incremental_inputs::report_achive): New method.
1632 (Incremental_inputs::report_object): New method.
1633 (Incremental_inputs::report_script): New method.
1634 (Incremental_inputs::finalize_inputs): New method.
1635 (Incremental_inputs::finalize): Call finalize_inputs().
1636 (Incremental_inputs::sized_create_incremental_inputs_section_data):
1637 Create inputs entries.
1638 * incremental.h (Incremental_input_type): New enum.
1639 (Incremental_inputs::Incremental_input): Initialize new fields.
1640 (Incremental_inputs::report_inputs): New method.
1641 (Incremental_inputs::report_achive): New method.
1642 (Incremental_inputs::report_object): New method.
1643 (Incremental_inputs::report_script): New method.
1644 (Incremental_inputs::finalize_inputs): New method.
1645 (Incremental_inputs::Input_info): New struct.
1646 (Incremental_inputs::Input_info_map): New typedef.
1647 (Incremental_inputs::lock_): New field.
1648 (Incremental_inputs::Inputs_): New field.
1649 (Incremental_inputs::Inputs_map): New field.
1650 * main.cc (main): Call Incremental_input::report_inputs.
1651 * options.h (Input_argument_list): Typedef moved from
1653 (Input_file_group::Files): Remove, use ::Input_argument_list.
1654 (Input_file_group::Input_argument_list): Remove, use
1655 ::Input_argument_list.
1656 * plugin.cc (Plugin_manager::add_input_file): Add error in
1658 * read_syms.cc (do_read_syms): Call Incremental_input::report_*
1660 * script.cc (read_input_script): Call
1661 Incremental_input::report_script.
1662 * script.h (Script_info): New class.
1664 2009-04-27 Ian Lance Taylor <iant@google.com>
1666 * x86_64.cc (do_adjust_output_section): Set entsize to
1669 2009-04-23 Elliott Hughes <enh@google.com>
1671 * output.cc (Output_file::close): After short writes, continue
1672 writing from the correct offset in the buffer being written.
1674 2009-04-23 Chris Demetriou <cgd@google.com>
1676 * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
1677 * configure: Regenerate.
1678 * config.in: Regenerate.
1679 * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
1680 if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
1682 2009-04-21 Mikolaj Zalewski <mikolajz@google.com>
1684 * incremental.cc (Incremental_inputs_header_data): Renamed from
1685 Incremental_input_header_data.
1686 (Incremental_inputs_header_data::data_size): New field.
1687 (Incremental_inputs_header_data::put_input_file_count): Renamed
1688 from input_file_count.
1689 (Incremental_inputs_header_data::put_command_line_offset): Renamed
1690 from command_line_offset.
1691 (Incremental_inputs_header_data::put_reserved): Renamed from
1693 (Incremental_inputs_entry_data): Renamed from
1694 Incremental_input_entry_data.
1695 (Incremental_inputs_entry_data::data_size): New field.
1696 (Incremental_inputs::report_command_line): New method.
1697 (Incremental_inputs::finalize): New method.
1698 (Incremental_inputs::create_incremental_inputs_data): New method.
1699 (Incremental_inputs::sized_create_incremental_inputs_data): New method.
1700 * incremental.h: New file.
1701 * layout.cc (Layout::Layout): Handle new incremental_inputs_.
1702 (Layout::finalize): Create incremental inputs section in
1704 (Layout::create_incremental_info_sections): New method.
1705 * layout.h (Layout::incremental_inputs): New method.
1706 (Layout::create_incremental_info_sections): New method.
1707 (Layout::incremental_inputs_): New field.
1708 * main.cc (main): Notify Incremental_input of the command line.
1710 2009-04-01 Ian Lance Taylor <iant@google.com>
1711 Mikolaj Zalewski <mikolajz@google.com>
1713 * gold.h (reserve_unordered_map): Define, three versions, one for
1714 each version of Unordered_map.
1715 * layout.cc (Layout::Layout): Remove options parameter. Add
1716 number_of_input_files parameter. Don't initialize options_.
1717 Initialize number_of_input_files_ and resized_signatures_. Move
1718 sections_are_attached_.
1719 (Layout::layout_group): Reserve space for group_signatures_.
1720 (Layout::find_or_add_kept_section): Change name parameter to be a
1721 reference. Resize signatures_ map when it gets large enough.
1722 (Layout::layout_eh_frame): Use parameters->options() instead of
1724 (Layout::make_output_section): Likewise.
1725 (Layout::attach_allocated_section_to_segment): Likewise.
1726 (Layout::finalize, Layout::create_executable_stack): Likewise.
1727 (Layout::set_segment_offsets, Layout::create_interp): Likewise.
1728 (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
1729 * layout.h (class Layout): Update declarations. Remove options_
1730 field. Add number_of_input_files_ and resized_signatures_
1731 fields. Move sections_are_attached_ field.
1732 * main.cc (main): Pass number of input files to Layout
1733 constructor. Don't pass options.
1735 2009-03-30 Ian Lance Taylor <iant@google.com>
1737 * ffsll.c (ffsll): Correct implementation.
1739 2009-03-27 Ian Lance Taylor <iant@google.com>
1741 * ffsll.c: New file.
1742 * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
1743 * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
1744 * ftruncate.c (ftruncate): Declare before definition.
1745 * mremap.c (mremap): Likewise.
1746 * pread.c (pread): Likewise.
1747 * configure, Makefile.in, config.in: Rebuild.
1749 * mremap.c: New file.
1750 * configure.ac: Call AC_REPLACE_FUNCS on mremap.
1751 * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
1752 (mremap): Declare if HAVE_MREMAP is not defined.
1753 * configure, Makefile.in, config.in: Rebuild.
1755 2009-03-27 Cary Coutant <ccoutant@google.com>
1757 * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
1758 position independent.
1759 * sparc.cc (Target_sparc::check_non_pic): Likewise.
1760 * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
1762 2009-03-24 Cary Coutant <ccoutant@google.com>
1764 * symtab.h (needs_plt_entry): Check for unsatisfied reference from
1766 (needs_dynamic_reloc): Likewise.
1768 2009-03-24 Ian Lance Taylor <iant@google.com>
1770 * yyscript.y (file_cmd): Recognize EXTERN.
1771 (extern_name_list, extern_name_list_body): New nonterminals.
1772 * script.cc (script_add_extern): Define.
1773 * script-c.h (script_add_extern): Declare.
1775 2009-03-24 Rafael Avila de Espindola <espindola@google.com>
1777 * object.cc (is_elf_object): Define.
1778 * object.h (is_elf_object): Declare.
1779 * archive.cc (Archive::get_elf_object_for_member): Call
1781 * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
1783 2009-03-24 Elliott Hughes <enh@google.com>
1785 * output.cc (Output_file::map_anonymous): Define.
1786 (Output_file::map): Use map_anonymous. If the regular mmap fails,
1787 try an anonymous one. Report the size if the mmap fails.
1788 * output.h (class Output_file): Declare map_anonymous.
1790 2009-03-24 Ian Lance Taylor <iant@google.com>
1792 * target-select.cc (instantiate_target): Don't acquire the lock if
1793 the instantiated_target_ field has already been set.
1795 2009-03-23 Ian Lance Taylor <iant@google.com>
1797 * gold-threads.h (class Initialize_lock): Define.
1798 * gold-threads.cc (class Initialize_lock_once): Define.
1799 (initialize_lock_control): New static variable.
1800 (initialize_lock_pointer): New static variable.
1801 (initialize_lock_once): New static function.
1802 (Initialize_lock::Initialize_lock): Define.
1803 (Initialize_lock::initialize): Define.
1804 * target-select.h: Include "gold-threads.h".
1805 (class Target_selector): Add lock_ and initialize_lock_ fields.
1806 Don't define instantiate_target, just declare it.
1807 * target-select.cc (Target_selector::Target_selector): Initialize
1809 (Target_selector::instantiate_target): Define.
1810 * descriptors.h: Include "gold-threads.h".
1811 (class Descriptors): Add initialize_lock_ field.
1812 * descriptors.cc (Descriptors::Descriptors): Initialize new
1814 (Descriptors::open): Use initialize_lock_ field
1815 * errors.h (class Errors): Add initialize_lock_ field.
1816 * errors.cc (Errors::Errors): Initialize new field.
1817 (Errors::initialize_lock): Use initialize_lock_ field.
1818 * powerpc.cc (class Target_selector_powerpc): Remove
1819 instantiated_target_ field. In do_recognize call
1820 instantiate_target rather than do_instantiate_target. In
1821 do_instantiate_target just allocate a new target.
1822 * sparc.cc (class Target_selector_sparc): Likewise.
1824 * freebsd.h: New file.
1825 * i386.cc: Include "freebsd.h".
1826 (Target_i386): Derive from Target_freebsd rather than
1828 (Target_selector_i386): Derive from Target_selector_freebsd rather
1829 than Target_selector.
1830 * x86_64.cc: Include "freebsd.h".
1831 (Target_x86_64): Derive from Target_freebsd rather than
1833 (Target_selector_x86_64): Derive from Target_selector_freebsd
1834 rather than Target_selector.
1835 * target.h (class Target): Add adjust_elf_header and
1836 do_adjust_elf_header.
1837 * output.cc (Output_file_header:: do_sized_write): Call target
1838 adjust_elf_header routine.
1839 * configure.tgt: Set targ_osabi.
1840 * configure.ac: Define GOLD_DEFAULT_OSABI.
1841 * parameters.cc (Parameters::default_target): Pass
1842 GOLD_DEFAULT_OSABI to select_target.
1843 * target-select.h (class Target_selector): Make instantiate_target
1844 protected rather than private.
1845 * Makefile.am (HFILES): Add freebsd.h.
1846 * configure, Makefile.in, config.in: Rebuild.
1848 * merge.cc (do_add_input_section): Correct pend value. Change
1849 message about last entry not being null terminated from error to
1852 2009-03-20 Mikolaj Zalewski <mikolajz@google.com>
1854 * incremental.cc: New file.
1855 * Makefile.am (CCFILES): Add incremental.cc.
1856 * Makefile.in: Rebuild.
1858 2009-03-19 Paul Pluzhnikov <ppluzhnikov@google.com>
1860 * layout.cc (Layout::output_section_name): Preserve names
1861 of '.note.' sections.
1863 2009-03-19 Ian Lance Taylor <iant@google.com>
1865 * descriptors.cc (Descriptors::open): Check that the options are
1866 valid before using them.
1868 2009-03-18 Ian Lance Taylor <iant@google.com>
1870 * script-sections.h: Include <list>.
1871 (class Script_sections): Change Sections_elements from std::vector
1872 to std::list. Typedef public Elements_iterator. Add
1873 orphan_section_placement_, data_segment_align_start_, and
1874 saw_data_segment_align_ fields. Remove data_segment_align_index_
1876 * script-sections.cc (class Orphan_section_placement): New class.
1877 (class Sections_element): Add virtual functions is_relro and
1878 orphan_section_init. Remove virtual function place_orphan_here.
1879 (class Output_section_definition): Add is_relro and
1880 orphan_section_init. Remove place_orphan_here.
1881 (class Orphan_output_section): Likewise.
1882 (Script_sections::Script_sections): Update for field changes.
1883 (Script_sections::data_segment_align): Set saw_data_segment_align_
1884 and data_segment_align_start_, not data_segment_align_index.
1885 (Script_sections::data_segment_relro_end): Check
1886 saw_data_segment_align_. Use data_segment_align_start_ rather
1887 than data_segment_align_index_.
1888 (Script_sections::place_orphan): Rewrite to use
1889 Orphan_section_placement.
1891 2009-03-17 Ian Lance Taylor <iant@google.com>
1893 * archive.cc (Archive::add_symbols): Check for a version attached
1894 to the symbol name in the archive map.
1895 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
1896 (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
1897 (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
1898 (ver_test_11.a): New target.
1899 * testsuite/Makefile.in: Rebuild.
1901 * configure.ac: Check for chsize and posix_fallocate. Replace
1903 * ftruncate.c: New file, from gnulib.
1904 * output.cc (posix_fallocate): Define dummy version if not
1905 HAVE_POSIX_FALLOCATE.
1906 (Output_file::map): Call posix_fallocate rather than lseek and
1908 * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
1909 * configure, Makefile.in, config.in: Rebuild.
1911 2009-03-17 Paul Pluzhnikov <ppluzhnikov@google.com>
1913 * layout.h (Layout::create_note): Add section_name parameter.
1914 * layout.cc (Layout::create_note): Likewise.
1915 (Layout::create_build_id, Layout::create_gold_note): Fix callers.
1917 2009-03-17 Ian Lance Taylor <iant@google.com>
1919 * descriptors.cc: Include "options.h".
1920 (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
1921 (Descriptors::open): Always use O_CLOEXEC when opening a new
1922 descriptor. If we have a plugin, and O_CLOEXEC was not defined,
1923 then set FD_CLOEXEC.
1925 * sparc.cc (class Target_sparc): Add has_got_section.
1926 (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
1927 make sure we have a GOT section.
1929 * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
1930 (Target_sparc::Scan::local): Likewise.
1931 (Target_sparc::Scan::global): Likewise.
1932 (Target_sparc::Relocate::relocate): Likewise.
1933 (Target_sparc::Relocate::relocate_tls): Likewise.
1935 * symtab.cc (Symbol_table::define_default_version): New function,
1936 broken out of add_from_object.
1937 (Symbol_table::add_from_object): Call define_default_version.
1938 (Symbol_table::define_special_symbol): Add resolve_oldsym
1939 parameter. Change all callers. If the version for a symbol comes
1940 from a version script, resolve it with the symbol with the same
1941 name with no version. Also add the symbol without a version if
1943 (do_define_in_output_data): If resolving with oldsym, don't delete
1945 (do_define_in_output_segment): Likewise.
1946 (do_define_as_constant): Likewise.
1947 * symtab.h (class Symbol_table): Update declarations.
1949 2009-03-13 Ian Lance Taylor <iant@google.com>
1951 * readsyms.cc (Read_symbols::incompatible_warning): New function.
1952 (Read_symbols::requeue): New function.
1953 (Read_symbols::do_read_symbols): If make_elf_object fails because
1954 the target type is not configured, and the file was searched for,
1955 issue a warning and retry with the next directory.
1956 (Add_symbols::run): If the file has an incompatible format, and
1957 it was searched for, requeue the Read_symbols task. On error,
1959 * readsyms.h (class Read_symbols): Add dirindex_ field. Add
1960 dirindex parameter to constructor. Change all callers. Declare
1961 incompatible_warning and requeue.
1962 (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
1963 input_argument_ and input_group_ fields. Add them to
1964 constructor. Change all callers.
1965 (class Read_script): Add dirindex_ field. Add it to constructor.
1967 * archive.cc (Archive::setup): Remove input_objects parameter.
1969 (Archive::get_file_and_offset): Likewise.
1970 (Archive::read_all_symbols): Likewise.
1971 (Archive::read_symbols): Likewise.
1972 (Archive::get_elf_object_for_member): Remove input_objects
1973 parameter. Add punconfigured parameter. Change all callers.
1974 (Archive::add_symbols): Change return type to bool. Check return
1975 value of include_member.
1976 (Archive::include_all_members): Likewise.
1977 (Archive::include_member): Change return type to bool. Return
1978 false if first included object has incompatible target. Set
1979 included_member_ field.
1980 (Add_archive_symbols::run): If add_symbols returns false, requeue
1982 * archive.h (class Archive): Add included_member_ field.
1983 Initialize it in constructor. Add input_file and searched_for
1984 methods. Update declarations.
1985 (class Add_archive_symbols): Add dirpath_, dirindex_, and
1986 input_argument_ fields. Add them to constructor. Change all
1988 * script.cc: Include "target-select.h".
1989 (class Parser_closure): Add skip_on_incompatible_target_ and
1990 found_incompatible_target_ fields. Add
1991 skip_on_incompatible_target parameter to constructor. Change all
1992 callers. Add methods skip_on_incompatible_target,
1993 clear_skip_on_incompatible_target, found_incompatible_target, and
1994 set_found_incompatible_target.
1995 (read_input_script): Add dirindex parameter. Change all callers.
1996 If parser finds an incompatible target, requeue Read_symbols
1998 (script_set_symbol): Clear skip_on_incompatible_target in
2000 (script_add_assertion, script_parse_option): Likewise.
2001 (script_start_sections, script_add_phdr): Likewise.
2002 (script_check_output_format): New function.
2003 * script.h (read_input_script): Update declaration.
2004 * script-c.h (script_check_output_format): Declare.
2005 * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
2006 (ignore_cmd): Remove OUTPUT_FORMAT.
2007 * fileread.cc (Input_file::Input_file): Add explicit this.
2008 (Input_file::will_search_for): New function.
2009 (Input_file::open): Add pindex parameter. Change all callers.
2010 * fileread.h (class Input_file): Add input_file_argument method.
2011 Declare will_search_for. Update declarations.
2012 * object.cc (make_elf_object): Add punconfigured parameter.
2014 * object.h (class Object): Make input_file public. Add
2015 searched_for method.
2016 (make_elf_object): Update declaration.
2017 * dirsearch.cc (Dirsearch::find): Add pindex parameter. Use it to
2019 * dirsearch.h (class Dirsearch): Update declaration.
2020 * options.h (class General_options): Add --warn-search-mismatch.
2021 * parameters.cc (Parameters::is_compatible_target): New function.
2022 * parameters.h (class Parameters): Declare is_compatible_target.
2023 * workqueue.cc (Workqueue::add_blocker): New function.
2024 * workqueue.h (class Workqueue): Declare add_blocker.
2026 * fileread.cc (Input_file::open): Remove options parameter.
2028 (Input_file::open_binary): Likewise.
2029 * script.cc (read_input_script): Likewise.
2030 * readsyms.h (class Read_symbols): Remove options_ field. Remove
2031 options parameter from constructor. Change all callers.
2032 (class Read_script): Likewise.
2033 * fileread.h (class Input_file): Update declarations.
2034 * script.h (read_input_script): Update declaration.
2036 2009-03-10 Nick Clifton <nickc@redhat.com>
2038 * po/es.po: New Spanish translation.
2040 2009-03-06 Cary Coutant <ccoutant@google.com>
2042 * options.cc (parse_short_option): Keep dash_z from registering itself.
2044 2009-03-03 Ian Lance Taylor <iant@google.com>
2047 * target-reloc.h (relocate_section): Pass output_section to
2049 * i386.cc (Target_i386::should_apply_static_reloc): Add
2050 output_section parameter. Change all callers.
2051 (Target_i386::Relocate::relocate): Add output_section parameter.
2052 * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
2053 * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
2054 * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
2055 * testsuite/two_file_shared.sh: New script.
2056 * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
2057 (check_DATA): Add two_file_shared.dbg.
2058 (two_file_shared.dbg): New target.
2059 * testsuite/Makefile.in: Rebuild.
2061 2009-03-01 Ian Lance Taylor <iant@google.com>
2063 * configure.ac: Check for byteswap.h.
2064 * configure: Rebuild.
2065 * config.in: Rebuild.
2067 2009-03-01 Mikolaj Zalewski <mikolajz@google.com>
2069 * layout.cc (Layout::find_or_add_kept_section): New function.
2070 (Layout::add_comdat): Removed.
2071 * layout.h (struct Kept_section): Move out of class Layout.
2072 Remove trailing underscores from field names. Add group_sections
2073 field. Rename group_ field to is_group. Change all uses.
2074 (class Layout): Declare find_or_add_kept_section, not add_comdat.
2075 * object.cc (Sized_relobj::Sized_relobj): Don't initialize
2076 comdat_groups_ field.
2077 (Sized_relobj::include_section_group): Use
2078 find_or_add_kept_section and Kept_section::group_sections.
2079 (Sized_relobj::include_linkonce_section): Likewise.
2080 * object.cc (class Sized_relobj): Don't define Comdat_group or
2081 Comdat_group_table. Remove find_comdat_group and
2082 add_comdat_group. Remove comdat_groups_ field.
2083 * plugin.cc (include_comdat_group): Use
2084 Layout::find_or_add_kept_section.
2086 2009-02-28 Ian Lance Taylor <iant@google.com>
2088 * README: --gc-sections and map files are now supported. Document
2089 some build requirements.
2092 * symtab.cc (Symbol_table::sized_write_section_symbol): In a
2093 relocatable link set the value of the section symbol to zero.
2094 * object.cc (Sized_relobj::do_finalize_local_symbols): In a
2095 relocatable link don't include the section address in the local
2098 2009-02-27 Ian Lance Taylor <iant@google.com>
2101 * options.h (class Search_directory): Add is_system_directory.
2102 (class General_options): Declare is_in_system_directory.
2103 * options.cc (get_relative_sysroot): Make static.
2104 (get_default_sysroot): Make static.
2105 (General_optoins::is_in_system_directory): New function.
2106 * fileread.cc (Input_file::is_in_system_directory): New function.
2107 * fileread.h (class Input_file): Declare is_in_system_directory.
2108 * object.h (class Object): Add is_in_system_directory.
2109 (class Input_objects): Remove system_library_directory_ field.
2110 * object.cc (Input_objects::add_object): Don't set
2111 system_library_directory_.
2112 (input_objects::found_in_system_library_directory): Remove.
2113 * symtab.cc (Symbol_table::write_globals): Remove input_objects
2114 parameter. Change all callers.
2115 (Symbol_table::sized_write_globals): Likewise.
2116 (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
2117 Call Object::is_in_system_directory.
2118 * symtab.h (class Symbol_table): Update declarations.
2121 * descriptors.h (Open_descriptor): Add is_on_stack field.
2122 * descriptors.cc (Descriptors::open): If the descriptor is on the
2123 top of the stack, remove it. Initialize is_on_stack field.
2124 (Descriptors::release): Only add pod to stack if it is not on the
2126 (Descriptors::close_some_descriptor): Clear stack_next and
2130 * output.cc (Output_section::find_starting_output_address): Rename
2131 from starting_output_address; add PADDR parameter; change return
2133 * output.h (class Output_section): Declare
2134 find_starting_output_address instead of starting_output_address.
2135 * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
2136 section symbol for which we can't find a merge section.
2139 * symtab.cc (Symbol_table::add_from_object): If the visibility is
2140 hidden or internal, force the symbol to be local.
2141 * resolve.cc (Symbol::override_visibility): Define.
2142 (Symbol::override_base): Use override_visibility.
2143 (Symbol_table::resolve): Likewise.
2144 (Symbol::override_base_with_special): Likewise.
2145 (Symbol_table::override_with_special): If the visibility is hidden
2146 or internal, force the symbol to be local.
2147 * symtab.h (class Symbol): Add set_visibility and
2148 override_visibility.
2149 * testsuite/ver_test_1.sh: New file.
2150 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
2151 (check_DATA): Add ver_test_1.syms.
2152 (ver_test_1.syms): New target.
2153 * testsuite/Makefile.in: Rebuild.
2155 2009-02-25 Cary Coutant <ccoutant@google.com>
2157 * layout.cc (Layout::choose_output_section): Don't rename sections
2158 when using a linker script that has a SECTIONS clause.
2159 * Makefile.in: Regenerate.
2161 * testsuite/Makefile.am (script_test_5.sh): New test case.
2162 * testsuite/Makefile.in: Regenerate.
2163 * testsuite/script_test_5.cc: New file.
2164 * testsuite/script_test_5.sh: New file.
2165 * testsuite/script_test_5.t: New file.
2167 2009-02-13 Rafael Avila de Espindola <espindola@google.com>
2169 * archive.cc (Archive::include_member): Update calls to add_symbols.
2170 * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
2171 the Layout argument.
2172 * dynobj.h (do_add_symbols): Add the Layout argument.
2173 * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
2175 * object.h (Object::add_symbols): Add the Layout argument.
2176 (Object::do_add_symbols): Add the Layout argument.
2177 (Sized_relobj::do_add_symbols): Add the Layout argument.
2178 * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
2179 Unify the two versions.
2180 (Add_plugin_symbols): Remove.
2181 * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
2182 (Sized_pluginobj::do_add_symbols): Unify the two versions.
2183 (Add_plugin_symbols): Remove.
2184 * readsyms.cc (Read_symbols::do_read_symbols): Update call to
2185 Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
2186 (Add_symbols::run): Make it work with Pulginobj.
2188 2009-02-06 Ian Lance Taylor <iant@google.com>
2190 * object.cc (Sized_relobj::do_layout): Make info message start
2191 with lower case letter.
2193 2009-02-06 Mikolaj Zalewski <mikolajz@google.com>
2195 * binary.cc: Fix file comment.
2197 * options.h (enum Incremental_disposition): Define.
2198 (class General_options): Add new options: --incremental,
2199 --incremental_changed, --incremental_unchanged,
2200 --incremental_unknown. Add incremental_disposition_ and
2201 implicit_incremental_ fields.
2202 (General_options::incremental_disposition): New function.
2203 (class Position_dependent_options): Add incremental_disposition
2205 (Position_dependent_options::copy_from_options): Set incremental
2207 * options.cc (General_options::parse_incremental_changed): New
2209 (General_options::parse_incremental_unchanged): New function.
2210 (General_options::parse_incremental_unknown): New function.
2211 (General_options::General_options): Initialize new fields
2212 incremental_disposition_ and implicit_incremental_.
2213 (General_options::finalize): Check for uasge of --incremental-*
2214 without --incremental.
2216 2009-02-06 Chris Demetriou <cgd@google.com>
2218 * gold.h (gold_undefined_symbol): Change to take only a Symbol
2219 pointer and to report location as the file name associated with
2221 (gold_undefined_symbol_at_location): New function to replace the
2222 old gold_undefined_symbol functionality.
2223 * target-reloc.h (relocate_section): Update to use
2224 gold_undefined_symbol_at_location.
2225 * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
2226 Call gold_undefined_symbol function rather than gold_error.
2227 * errors.h (Errors::undefined_symbol): Take location as a
2228 string, rather than calculating it from a relocation.
2229 * errors.cc (Errors::fatal): Print "fatal error:" before the
2231 (Errors::error, Errors::error_at_location): Print "error: "
2232 before the formatted message.
2233 (Errors::undefined_symbol): Take location as a string, rather
2234 than calculating it from a relocation.
2235 (gold_undefined_symbol_at_location): New function akin to
2236 old gold_undefined_symbol, calculates location from relocation.
2237 (gold_undefined_symbol): Change to take only a Symbol pointer
2238 and to report location as the file name associated with the symbol.
2239 * testsuite/debug_msg.sh: Update for changed error messages.
2240 * testsuite/undef_symbol.sh: Likewise.
2242 2009-02-04 Duncan Sands <baldrick@free.fr>
2245 * reduced_debug_output.h
2246 (Output_reduced_debug_abbrev_section::failed): Use format for
2248 (Output_reduced_debug_info_section::faild): Likewise.
2250 2009-01-31 Mikolaj Zalewski <mikolajz@google.com>
2252 * script.cc (Lazy_demangler): New class.
2253 (Version_script_info::get_symbol_version_helper): Demangle a
2256 2009-01-29 Cary Coutant <ccoutant@google.com>
2258 * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
2260 * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
2262 2009-01-28 Ian Lance Taylor <iant@google.com>
2264 * version.cc (version_string): Bump to 1.9.
2266 * gold.h: Include <cstring> and <stdint.h>.
2267 * version.cc: Include <cstdio>.
2268 * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
2270 * reduced_debug_output.cc (insert_into_vector): Rename from
2271 Insert_into_vector; change all callers. Use Swap_unaligned to
2272 avoid aliasing issue; remove union since it is unnecessary.
2274 2009-01-27 Sriraman Tallam <tmsriram@google.com>
2276 * Makefile.am (CCFILES): Add gc.cc.
2278 * Makefile.in: Regenerate.
2279 * gold.cc (Gc_runner): New class.
2280 (queue_initial_tasks): Call garbage collection related tasks
2281 when corresponding options are invoked.
2282 (queue_middle_gc_tasks): New function.
2283 (queue_middle_tasks): Reorder tasks to allow relocs to be read and
2284 processed early before laying out sections during garbage collection.
2285 * gold.h (queue_middle_gc_tasks): New function.
2286 (is_prefix_of): Move from "layout.cc".
2287 * i386.cc (Target_i386::gc_process_relocs): New function.
2288 * layout.cc (is_prefix_of): Remove. Move to "gold.h"
2289 * main.cc (main): Create object of class "Garbage_collection".
2290 * object.cc (Relobj::copy_symbols_data): New function.
2291 (Relobj::is_section_name_included): New function.
2292 (Sized_relobj::do_layout): Allow this function to be called twice
2293 during garbage collection and defer layout of section during the
2295 * object.h (Relobj::get_symbols_data): New function.
2296 (Relobj::is_section_name_included): New function.
2297 (Relobj::copy_symbols_data): New function.
2298 (Relobj::set_symbols_data): New function.
2299 (Relobj::get_relocs_data): New function.
2300 (Relobj::set_relocs_data): New function.
2301 (Relobj::is_output_section_offset_invalid): New pure virtual function.
2302 (Relobj::gc_process_relocs): New function.
2303 (Relobj::do_gc_process_relocs): New pure virtual function.
2304 (Relobj::sd_): New data member.
2305 (Sized_relobj::is_output_section_offset_invalid): New function.
2306 (Sized_relobj::do_gc_process_relocs): New function.
2307 * options.h (General_options::gc_sections): Modify to not be a no-op.
2308 (General_options::print_gc_sections): New option.
2309 * plugin.cc (Plugin_finish::run): Remove function call to
2310 Plugin_manager::layout_deferred_objects. Move it to "gold.cc".
2311 * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
2312 * reloc.cc (Read_relocs::run): Add task to process relocs and
2313 determine unreferenced sections when doing garbage collection.
2314 (Gc_process_relocs): New class.
2315 (Sized_relobj::do_gc_process_relocs): New function.
2316 (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
2317 sections that are garbage collected.
2318 * reloc.h (Gc_process_relocs): New class.
2319 * sparc.cc (Target_sparc::gc_process_relocs): New function.
2320 * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
2321 symbols whose corresponding sections are garbage collected.
2322 (Symbol_table::Symbol_table): Add new parameter for the garbage
2324 (Symbol_table::gc_mark_undef_symbols): New function.
2325 (Symbol_table::gc_mark_symbol_for_shlib): New function.
2326 (Symbol_table::gc_mark_dyn_syms): New function.
2327 (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
2329 (Symbol_table::add_from_object): Likewise.
2330 (Symbol_table::add_from_relobj): When building shared objects, do not
2331 treat externally visible symbols as garbage.
2332 (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
2333 table information for static and relocatable links.
2334 * symtab.h (Symbol_table::set_gc): New function.
2335 (Symbol_table::gc): New function.
2336 (Symbol_table::gc_mark_undef_symbols): New function.
2337 (Symbol_table::gc_mark_symbol_for_shlib): New function.
2338 (Symbol_table::gc_mark_dyn_syms): New function.
2339 (Symbol_table::gc_): New data member.
2340 * target.h (Sized_target::gc_process_relocs): New pure virtual
2342 * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
2343 * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
2345 2009-01-20 Chris Faylor <me.sourceware@sourceware.org>
2347 * options.h (General_options::gc_sections): Define as a no-op for now.
2348 (General_options::no_keep_memory): Ditto.
2349 (General_options::Bshareable): Define.
2350 * options.cc (General_options::finalize): Honor -Bshareable.
2352 2009-01-20 Andreas Schwab <schwab@suse.de>
2354 * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
2355 read the value in the contents, since we don't use it. Use the
2356 template endianness when writing.
2357 (Relocate::relocate): Use it for R_PPC_REL16_HA.
2359 2009-01-19 Andreas Schwab <schwab@suse.de>
2361 * configure.tgt (powerpc64-*): Fix targ_obj.
2363 2009-01-15 Ian Lance Taylor <iant@google.com>
2365 * object.cc (Sized_relobj::write_local_symbols): Don't write out
2366 local symbols when stripping all symbols.
2368 2009-01-14 Cary Coutant <ccoutant@google.com>
2370 * output.cc (Output_reloc): Add explicit instantiations.
2372 2009-01-14 Cary Coutant <ccoutant@google.com>
2374 * archive.cc (Archive::get_elf_object_for_member): Remove call
2375 to File_read::claim_for_plugin.
2376 * descriptors.cc (Descriptors::open): Remove reference to
2378 (Descriptors::claim_for_plugin): Remove.
2379 * descriptors.h (Descriptors::claim_for_plugin): Remove.
2380 (Descriptors::is_claimed): Remove.
2381 (claim_descriptor_for_plugin): Remove.
2382 * fileread.cc (File_read::claim_for_plugin): Remove.
2383 * fileread.h (File_read::claim_for_plugin): Remove.
2384 (File_read::descriptor): Reopen descriptor if necessary.
2385 * plugin.cc (Plugin::load): Add two new APIs to transfer vector.
2386 (Plugin_manager::all_symbols_read): Add task parameter. Change
2388 (Plugin_manager::get_input_file): New function.
2389 (Plugin_manager::release_input_file): New function.
2390 (Pluginobj::Pluginobj): Add filesize parameter and initialize
2391 corresponding data member.
2392 (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
2393 and pass to base constructor. Change all callers.
2394 (get_input_file, release_input_file): New functions.
2395 (make_sized_plugin_object): Add filesize parameter. Change all callers.
2396 * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
2397 (Plugin_manager::all_symbols_read): Add task parameter.
2398 (Plugin_manager::get_input_file): New function.
2399 (Plugin_manager::release_input_file): New function.
2400 (Plugin_manager::task_): New data member.
2401 (Pluginobj::Pluginobj): Add filesize parameter.
2402 (Pluginobj::filename): New function.
2403 (Pluginobj::descriptor): New function.
2404 (Pluginobj::filesize): New function.
2405 (Pluginobj::filesize_): New data member.
2406 (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
2407 * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
2408 File_read::claim_for_plugin; use Object::unlock to unlock the file.
2410 * testsuite/Makefile.am (plugin_test_4): New test case for plugins
2411 with archive libraries.
2412 * testsuite/Makefile.in: Regenerate.
2413 * testsuite/plugin_test.c (struct sym_info): New type.
2414 (get_input_file, release_input_file): New static variables.
2415 (onload): Capture new transfer vector entries.
2416 (claim_file_hook): Stop reading at end of file according to filesize.
2417 Factor out parsing of readelf output into separate function.
2418 (all_symbols_read_hook): Exercise get_input_file and release_input_file
2419 APIs and get the source file name from the symbol table. Convert
2420 source file name to corresponding object file name. Print info
2421 message when adding new input files.
2422 (parse_readelf_line): New function.
2423 * testsuite/plugin_test_1.sh: Add checks for new info messages.
2424 * testsuite/plugin_test_2.sh: Likewise.
2425 * testsuite/plugin_test_3.sh: Likewise.
2426 * testsuite/plugin_test_4.sh: New test case.
2428 2009-01-07 Ian Lance Taylor <iant@google.com>
2430 * version.cc (version_string): Bump to 1.8.
2432 2008-12-23 Cary Coutant <ccoutant@google.com>
2434 * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
2435 * plugin.cc (Plugin_manager::finish): Rename as
2436 layout_deferred_objects. Move cleanup to separate function.
2437 (Plugin_manager::cleanup): New function.
2438 (Plugin_finish::run): Call layout_deferred_objects and cleanup
2440 * plugin.h (Plugin_manager::finish): Rename as
2441 layout_deferred_objects.
2442 (Plugin_manager::cleanup): New function.
2443 (Plugin_manager::cleanup_done): New field.
2445 2008-12-23 Cary Coutant <ccoutant@google.com>
2447 * plugin.cc (is_visible_from_outside): New function.
2448 (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
2449 so we don't return "IR only" status for exported symbols or -r links.
2451 * testsuite/Makefile.am (plugin_test_3): New test case.
2452 * testsuite/Makefile.in: Regenerate.
2453 * testsuite/plugin_test_3.sh: New file.
2455 2008-12-22 Cary Coutant <ccoutant@google.com>
2457 * object.cc (Sized_relobj::layout_section): New function.
2458 (Sized_relobj::do_layout): Defer layout of input sections until after
2459 plugin has provided replacement files.
2460 (Sized_relobj::do_layout_deferred_sections): New function.
2461 * object.h (Relobj::set_section_offset): Remove virtual keyword.
2462 (Relobj::layout_deferred_sections): New function.
2463 (Relobj::do_layout_deferred_sections): New function.
2464 (Sized_relobj::do_layout_deferred_sections): New function.
2465 (Sized_relobj::layout_section): New function.
2466 (Sized_relobj::Deferred_layout): New structure.
2467 (Sized_relobj::deferred_layout_): New field.
2468 * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
2469 Change all callers. Layout deferred sections.
2470 (class Plugin_finish): Renamed, was Plugin_cleanup. Change all
2472 (Plugin_hook::run): Move code from do_plugin_hook inline.
2473 (Plugin_hook::do_plugin_hook): Remove.
2474 * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
2475 (Plugin_manager::finish): Renamed, was cleanup.
2476 (Plugin_manager::should_defer_layout): New function.
2477 (Plugin_manager::add_deferred_layout_object): New function.
2478 (Plugin_manager::Deferred_layout_list): New type.
2479 (Plugin_manager::deferred_layout_objects_): New field.
2480 (Plugin_hook::do_plugin_hook): Remove.
2482 2008-12-17 Ian Lance Taylor <iant@google.com>
2484 * options.h (class General_options): Add --no case for
2487 2008-12-16 Cary Coutant <ccoutant@google.com>
2489 * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
2491 (Plugin_manager::claim_file): Create plugin object even if
2492 plugin did not call the add_symbols callback.
2493 (Plugin_obj::get_symbol_resolution_info): Guard against plugin
2494 asking for more symbols than were added.
2495 * testsuite/Makefile.am (plugin_test_1): Add test case with
2497 (empty.syms): New target.
2498 * testsuite/Makefile.in: Regenerate.
2499 * testsuite/plugin_test.c (claim_file_hook): Add new debug
2500 message. Don't call add_symbols if no globals.
2501 (all_symbols_read_hook): Don't provide replacement for empty
2504 2008-12-12 Ian Lance Taylor <iant@google.com>
2506 * target-reloc.h (Default_scan_relocatable_relocs): Only discard
2507 r_type == 0 for a local symbol with r_sym == 0.
2508 (scan_relocatable_relocs): Pass r_sym to
2509 local_non_section_strategy.
2510 * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
2513 * configure.ac: Update test for TLS descriptors: they are
2514 supported as of glibc 2.9.
2515 * configure: Rebuild.
2517 2008-12-11 Ian Lance Taylor <iant@google.com>
2520 * target-reloc.h (Default_scan_relocatable_relocs): For each
2521 function, map r_type == 0 to RELOC_DISCARD.
2523 2008-12-10 Cary Coutant <ccoutant@google.com>
2525 * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
2526 object to override a kept COMDAT group from a plugin object.
2528 2008-12-09 Ian Lance Taylor <iant@google.com>
2531 * yyscript.y (file_cmd): Handle INPUT.
2533 * testsuite/initpri1.c: Change all declarations to be full
2534 prototypes by adding void, to avoid compiler warnings.
2536 2008-12-05 Rafael Avila de Espindola <espindola@google.com>
2538 * options.cc (General_options::parse_plugin_opt): New.
2539 (General_options::add_plugin): The argument now is just the filename.
2540 (General_options::add_plugin_option): New.
2541 * options.h (plugin_opt): New.
2542 (add_plugin): Change argument name.
2543 (add_plugin_option): New.
2544 * plugin.cc (Plugin::load): Don't parse the plugin option.
2545 * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
2546 (Plugin::add_option): New.
2547 (Plugin::args_): Change type.
2548 (Plugin::filename_): New.
2549 (Plugin_manager::add_plugin_option): New.
2550 * testsuite/Makefile.am (plugin_test_1): Use new syntax.
2551 * testsuite/Makefile.in: Regenerate.
2553 2008-12-05 Cary Coutant <ccoutant@google.com>
2555 * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
2556 Handle --strip-lto-sections option.
2557 * options.h (strip_lto_sections): New option.
2559 2008-12-01 Cary Coutant <ccoutant@google.com>
2561 * plugin.cc (ld_plugin_message): Change format parameter to const.
2562 Fix mismatch between new[] and delete.
2564 2008-11-14 Cary Coutant <ccoutant@google.com>
2566 * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
2569 2008-11-05 Craig Silverstein <csilvers@google.com>
2571 * options.cc (General_options::parse_dynamic_list): New function.
2572 * options.h (General_options): New flags dynamic_list,
2573 dynamic_list_data, dynamic_list_cpp_new, and
2574 dynamic_list_cpp_typeinfo. New variable dynamic_list_.
2575 (General_options::in_dynamic_list): New function.
2576 * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
2577 (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
2578 (Lex::can_continue_name): Likewise.
2580 (read_script_file): New parameter script_options.
2581 (read_dynamic_list): New function.
2582 (Script_options::define_dynamic_list): New function.
2583 (dynamic_list_keyword_parsecodes): New variable.
2584 (dynamic_list_keywords): New variable.
2585 * script.h (Script_options::define_dynamic_list): New function
2587 (read_dynamic_list): New function prototype.
2588 * symtab.cc (strprefix): New macro.
2589 (Symbol::should_add_dynsym_entry): Support dynamic_list,
2590 dynamic_list_data, dynamic_list_cpp_new, and
2591 dynamic_list_cpp_typeinfo.
2592 * yyscript.y (PARSING_DYNAMIC_LIST): New token.
2593 (dynamic_list_expr): New rule.
2594 (dynamic_list_nodes): Likewise.
2595 (dynamic_list_node): Likewise.
2596 * testsuite/Makefile.am (dynamic_list): New test.
2597 * testsuite/Makefile.in: Regenerated.
2598 * testsuite/dynamic_list.t: New file.
2599 * testsuite/dynamic_list.sh: New file.
2601 2008-11-05 Craig Silverstein <csilvers@google.com>
2603 * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
2604 * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
2605 (t11_last): Likewise.
2606 * testsuite/ver_test_6.c (main): Likewise.
2608 2008-10-07 Cary Coutant <ccoutant@google.com>
2610 * options.c (General_options::finalize): Add check for -static and
2612 * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
2615 2008-10-02 Cary Coutant <ccoutant@google.com>
2617 * plugin.cc (make_sized_plugin_object): Fix conditional
2618 compilation to work when not all targets are enabled.
2620 2008-09-29 Cary Coutant <ccoutant@google.com>
2622 * archive.cc (Archive::get_file_and_offset): Use filename instead
2623 of name to get library path.
2624 (Archive::include_member): Unlock external member of a thin archive.
2626 * testsuite/Makefile.am (TEST_AR): New variable.
2627 (thin_archive_test_1): New test.
2628 (thin_archive_test_2): New test.
2629 * testsuite/Makefile.in: Regenerate.
2630 * testsuite/thin_archive_main.cc: New file.
2631 * testsuite/thin_archive_test_1.cc: New file.
2632 * testsuite/thin_archive_test_2.cc: New file.
2633 * testsuite/thin_archive_test_3.cc: New file.
2634 * testsuite/thin_archive_test_4.cc: New file.
2636 2008-09-29 Cary Coutant <ccoutant@google.com>
2638 * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
2639 * object.cc (Sized_relobj::do_layout): Use constant invalid_address
2641 (Sized_relobj::do_finalize_local_symbols): Likewise.
2642 (Sized_relobj::map_to_kept_section): Likewise.
2643 * object.h (Sized_relobj::invalid_address): New constant.
2644 (Sized_relobj::do_output_section_offset): Check for invalid_address
2646 * output.cc (Output_reloc::local_section_offset): Use constant
2647 invalid_address instead of -1U.
2648 (Output_reloc::get_address): Likewise.
2649 (Output_section::output_address): Change -1U to -1ULL.
2650 * output.h (Output_reloc::invalid_address): New constant.
2651 * reloc.cc (Sized_relobj::write_sections): Use constant
2652 invalid_address instead of -1U.
2653 (Sized_relobj::relocate_sections): Likewise.
2654 * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
2655 values for merge sections.
2656 * target-reloc.h (relocate_for_relocatable): Use constant
2657 invalid_address instead of -1U.
2659 2008-09-19 Cary Coutant <ccoutant@google.com>
2661 Add plugin functionality for link-time optimization (LTO).
2662 * configure.ac (plugins): Add --enable-plugins option.
2663 * configure: Regenerate.
2664 * config.in: Regenerate.
2665 * Makefile.am (LIBDL): New variable.
2666 (CCFILES): Add plugin.cc.
2667 (HFILES): Add plugin.h.
2668 (ldadd_var): Add LIBDL.
2669 * Makefile.in: Regenerate.
2671 * archive.cc: Include "plugin.h".
2672 (Archive::setup): Don't preread archive symbols when using a plugin.
2673 (Archive::get_file_and_offset): Add memsize parameter. Change callers.
2674 (Archive::get_elf_object_for_member): Call plugin hooks for claiming
2676 (Archive::include_member): Add symbols from plugin objects.
2677 * archive.h (Archive::get_file_and_offset): Add memsize parameter.
2678 * descriptors.cc (Descriptors::open): Check for file descriptors
2679 abandoned by plugins.
2680 (Descriptors::claim_for_plugin): New function.
2681 * descriptors.h (Descriptors::claim_for_plugin): New function.
2682 (Open_descriptor::is_claimed): New field.
2683 (claim_descriptor_for_plugin): New function.
2684 * fileread.cc (File_read::claim_for_plugin): New function.
2685 * fileread.h (File_read::claim_for_plugin): New function.
2686 (File_read::descriptor): New function.
2687 * gold.cc: Include "plugin.h".
2688 (queue_initial_tasks): Add task to call plugin hooks for generating
2690 * main.cc: Include "plugin.h".
2691 (main): Load plugin libraries.
2692 * object.h (Pluginobj): Declare.
2693 (Object::pluginobj): New function.
2694 (Object::do_pluginobj): New function.
2695 (Object::set_target): New function.
2696 * options.cc: Include "plugin.h".
2697 (General_options::parse_plugin): New function.
2698 (General_options::General_options): Initialize plugins_ field.
2699 (General_options::add_plugin): New function.
2700 * options.h (Plugin_manager): Declare.
2701 (General_options): Add --plugin option.
2702 (General_options::has_plugins): New function.
2703 (General_options::plugins): New function.
2704 (General_options::add_plugin): New function.
2705 (General_options::plugins_): New field.
2706 * plugin.cc: New file.
2707 * plugin.h: New file.
2708 * readsyms.cc: Include "plugin.h".
2709 (Read_symbols::do_read_symbols): Check for archive before checking
2710 for ELF file. Call plugin hooks to claim files.
2711 * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
2712 from a real object file; force override when processing replacement
2714 * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
2715 (Symbol::init_base_object): Likewise.
2716 (Symbol::init_base_output_data): Likewise.
2717 (Symbol::init_base_output_segment): Likewise.
2718 (Symbol::init_base_constant): Likewise.
2719 (Symbol::init_base_undefined): Likewise.
2720 (Symbol::output_section): Assert that object is not a plugin.
2721 (Symbol_table::add_from_pluginobj): New function.
2722 (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
2724 (Symbol_table::sized_write_globals): Likewise.
2725 (Symbol_table::add_from_pluginobj): Instantiate template.
2726 * symtab.h (Sized_pluginobj): Declare.
2727 (Symbol::in_real_elf): New function.
2728 (Symbol::set_in_real_elf): New function.
2729 (Symbol::in_real_elf_): New field.
2730 (Symbol_table::add_from_pluginobj): New function.
2732 * testsuite/Makefile.am (AM_CFLAGS): New variable.
2733 (LIBDL): New variable.
2735 (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
2736 (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
2737 (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
2738 (MOSTLYCLEANFILES): Likewise.
2739 * testsuite/Makefile.in: Regenerate.
2740 * testsuite/plugin_test.c: New file.
2741 * testsuite/plugin_test_1.sh: New file.
2742 * testsuite/plugin_test_2.sh: New file.
2744 2008-09-16 Ian Lance Taylor <iant@google.com>
2746 * target-reloc.h (relocate_section): Check whether a symbol is
2747 defined by the ABI before reporting an undefined symbol error.
2748 * target.h (Target::is_defined_by_abi): Make parameter const.
2749 (Target::do_is_defined_by_abi): Likewise.
2750 * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
2751 * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
2752 * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
2753 * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
2754 * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
2755 * testsuite/Makefile.in: Rebuild.
2757 * fileread.cc (make_view): Add casts to avoid warning.
2759 2008-09-16 Alexandre Oliva <aoliva@redhat.com>
2761 * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
2762 * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
2764 2008-09-16 Alexandre Oliva <aoliva@redhat.com>
2766 * options.h (General_options::output_is_executable): New.
2767 (General_options::output_is_pie): New.
2768 * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
2769 for shared libraries.
2770 * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
2772 2008-09-11 Chris Demetriou <cgd@google.com>
2774 * options.h (origin): New -z option.
2775 * layout.cc (Layout:finish_dynamic_section): If "-z origin"
2776 is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
2779 2008-09-05 Cary Coutant <ccoutant@google.com>
2781 * fileread.cc (File_read::make_view): Add check for attempt to map
2784 2008-09-05 Cary Coutant <ccoutant@google.com>
2786 * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
2787 explicit instantiations.
2789 2008-08-28 Kris Van Hees <kris.van.hees@oracle.com>
2792 * options.cc (General_options::finalize): Allow undefined symbols
2793 in shlibs if linking -shared.
2796 * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
2797 symbols as not needing a dynsym entry.
2799 2008-08-20 Craig Silverstein <csilvers@google.com>
2801 * fileread.cc (File_read::open): Do not lock the file unless it
2802 was successfully opened.
2804 2008-08-14 Cary Coutant <ccoutant@google.com>
2806 * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
2807 Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
2808 * testsuite/tls_test.cc (struct int128): 128-bit struct
2809 for testing TLS relocs with non-zero addend.
2810 (v12): New TLS variable.
2812 (t_last): Add check for v12.
2813 * testsuite/tls_test.h (t12): New function.
2814 * testsuite/tls_test_main.cc (thread_routine): Call new test.
2816 2008-08-13 Ian Lance Taylor <iant@google.com>
2818 * layout.cc (Layout::attach_allocated_section_to_segment): Don't
2819 set tls_segment_ or relro_segment_.
2820 (Layout::make_output_segment): Set tls_segment_ and relro_segment_
2822 * output.h (Output_section::clear_is_relro): New function.
2823 * output.cc (Output_segment::add_output_section): Handle SHF_TLS
2824 sections specially even when output_data_ is empty.
2825 (Output_segment::maximum_alignment): When first section is relro,
2826 only force alignment for PT_LOAD segments.
2827 * script.cc (script_data_segment_align): New function.
2828 (script_data_segment_relro_end): New function.
2829 * script-c.h (script_data_segment_align): Declare.
2830 (script_data_segment_relro_end): Declare.
2831 * script-sections.h (class Script_sections): Declare
2832 data_segment_align and data_segment_relro_end. Add fields
2833 segment_align_index_ and saw_relro_end_.
2834 * script-sections.cc (class Sections_element): Add set_is_relro
2835 virtual function. Add new bool* parameter to place_orphan_here.
2836 Add get_output_section virtual function.
2837 (class Output_section_definition): Add set_is_relro. Add new
2838 bool* parameter to place_orphan_here. Add get_output_section.
2839 Add is_relro_ field.
2840 (Output_section_definition::Output_section_definition): Initialize
2841 evaluated_address_, evaluated_load_address, evaluated_addralign_,
2842 and is_relro_ fields.
2843 (Output_section_definition::place_orphan_here): Add is_relro
2845 (Output_section_definition::set_section_addresses): Set relro for
2847 (Output_section_definition::alternate_constraint): Likewise.
2848 (class Orphan_output_section): Add new bool* parameter to
2849 place_orphan_here. Add get_output_section.
2850 (Orphan_output_section::place_orphan_here): Add is_relro
2852 (Script_sections::Script_sections): Initialize
2853 data_segment_align_index_ and saw_relro_end_.
2854 (Script_sections::data_segment_align): New function.
2855 (Script_sections::data_segment_relro_end): New function.
2856 (Script_sections::place_orphan): Set or clear is_relro.
2857 (Script_sections::set_section_addresses): Force alignment of first
2859 * yyscript.y (exp): Call script_data_segment_align and
2860 script_data_segment_relro_end.
2861 * testsuite/relro_script_test.t: New file.
2862 * testsuite/relro_test.cc (using_script): Declare.
2863 (t1, t2): Test using_script.
2864 * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
2865 (relro_script_test_SOURCES): Define.
2866 (relro_script_test_DEPENDENCIES): Define.
2867 (relro_script_test_LDFLAGS): Define.
2868 (relro_script_test_LDADD): Define.
2869 (relro_script_test.so): New target.
2870 * testsuite/Makefile.in: Rebuild.
2872 2008-08-06 Cary Coutant <ccoutant@google.com>
2874 * archive.cc (Archive::total_archives, Archive::total_members)
2875 (Archive::total_members_loaded): New variables.
2876 (Archive::setup): Add parameter. Add option to preread
2878 (Archive::read_armap): Add counter.
2879 (Archive::get_file_and_offset): New function.
2880 (Archive::get_elf_object_for_member): New function.
2881 (Archive::read_all_symbols): New function.
2882 (Archive::read_symbols): New function.
2883 (Archive::add_symbols): Add counters.
2884 (Archive::include_all_members): Use armap to find members if it's
2886 (Archive::include_member): Skip reading symbols if already read.
2887 Factored code into Archive::get_file_and_offset and
2888 Archive::get_elf_object_for_member. Changed call to
2889 Mapfile::report_include_archive_member.
2890 (Archive::print_stats): New function.
2891 * archive.h: Declare Object and Read_symbols_data classes.
2892 (Archive::Archive): Add initializers for new members.
2893 (Archive::setup): Add parameter.
2894 (Archive::print_stats): New function.
2895 (Archive::total_archives, Archive::total_members)
2896 (Archive::total_members_loaded): New variables.
2897 (Archive::get_file_and_offset): New function.
2898 (Archive::get_elf_object_for_member): New function.
2899 (Archive::read_all_symbols): New function.
2900 (Archive::read_symbols): New function.
2901 (Archive::Archive_member): New class.
2902 (Archive::members_): New member.
2903 (Archive::num_members_): New member.
2904 * main.cc: Include archive.h.
2905 (main): Call Archive::print_stats.
2906 * mapfile.cc (Mapfile::report_include_archive_member): Delete
2907 archive parameter; member_name is now the fully-decorated name.
2908 * mapfile.h (Mapfile::report_include_archive_member): Likewise.
2909 * options.h: (General_options): Add --preread-archive-symbols option.
2910 * readsyms.cc (Read_symbols::do_read_symbols): Change call to
2913 2008-08-04 Ian Lance Taylor <iant@google.com>
2915 * symtab.h (Symbol::use_plt_offset): New function.
2916 * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
2917 * powerpc.cc (Relocate::relocate): Likewise.
2918 * sparc.cc (Relocate::relocate): Likewise.
2919 * x86_64.cc (Relocate::relocate): Likewise.
2920 * testsuite/weak_plt.sh: New test.
2921 * testsuite/weak_plt_main.cc: New test.
2922 * testsuite/weak_plt_shared.cc: New test.
2923 * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
2924 (check_PROGRAMS): Add weak_plt.
2925 (check_DATA): Add weak_plt_shared.so.
2926 (weak_plt_main_pic.o, weak_plt): New targets.
2927 (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
2928 * testsuite/Makefile.in: Rebuild.
2930 * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
2932 (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
2933 * testsuite/Makefile.in: Rebuild.
2935 2008-08-04 Alan Modra <amodra@bigpond.net.au>
2937 * Makefile.am (POTFILES.in): Set LC_ALL=C.
2938 * Makefile.in: Regenerate.
2939 * po/POTFILES.in: Regenerate.
2941 2008-07-29 Ian Lance Taylor <iant@google.com>
2943 * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
2944 symbols before other symbols.
2945 * testsuite/script_test_2.cc (test_addr): Declare.
2946 (test_addr_alias): Declare.
2947 (main): Check that test_addr and test_addr_alias have the right
2949 * testsuite/script_test_2.t: Define test_addr_alias and
2952 2008-07-24 Ian Lance Taylor <iant@google.com>
2955 * descriptors.cc: New file.
2956 * descriptors.h: New file.
2957 * gold-threads.h (class Hold_optional_lock): New class.
2958 * fileread.cc: Include "descriptors.h".
2959 (File_read::~File_read): Release descriptor rather than closing
2961 (File_read::open) [file]: Call open_descriptor rather than open.
2962 Set is_descriptor_opened_.
2963 (File_read::open) [memory]: Assert that descriptor is not open.
2964 (File_read::reopen_descriptor): New function.
2965 (File_read::release): Release descriptor.
2966 (File_read::do_read): Make non-const. Reopen descriptor.
2967 (File_read::read): Make non-const.
2968 (File_read::make_view): Reopen descriptor.
2969 (File_read::do_readv): Likewise.
2970 * fileread.h (class File_read): Add is_descriptor_opened_ field.
2971 Update declarations.
2972 * layout.cc: Include "descriptors.h".
2973 (Layout::create_build_id): Use open_descriptor rather than open.
2974 * output.cc: Include "descriptors.h".
2975 (Output_file::open): Use open_descriptor rather than open.
2976 * archive.cc (Archive::const_iterator): Change Archive to be
2978 (Archive::begin, Archive::end): Make non-const.
2979 (Archive::count_members): Likewise.
2980 * archive.h (class Archive): Update declarations.
2981 * object.h (Object::read): Make non-const.
2982 * Makefile.am (CCFILES): Add descriptors.cc.
2983 (HFILES): Add descriptors.h.
2984 * Makefile.in: Rebuild.
2987 * gold.h: Always include <clocale>. Add Solaris workarounds
2988 following code in binutils/sysdep.h.
2991 * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
2992 this->eh_frame_hdr_ is NULL before using it.
2994 * dynobj.cc (Versions::Versions): Update comment.
2996 * dynobj.cc (Versions::Versions): If there is an soname, use it as
2997 the base version name.
2999 * stringpool.cc (Stringpool_template::add_with_length): Set key to
3000 array size plus one.
3001 (Stringpool_template::set_string_offsets): Subtract one from key
3002 before using it as an array index.
3003 (Stringpool_template::get_offset_with_length): Likewise.
3004 (Stringpool_template::write_to_buffer): Likewise.
3005 * stringpool.h (Stringpool_template::get_offset_from_key):
3008 2008-07-23 Ian Lance Taylor <iant@google.com>
3011 * object.h (Merged_symbol_value::value): Do our best to handle a
3015 * script.cc (Version_script_info::get_versions): Don't add empty
3016 version tag to return value.
3017 (Version_script_info::get_symbol_version_helper): Change return
3018 type to bool. Add pversion parameter. Change all callers.
3019 (script_register_vers_node): Don't require a non-NULL tag.
3020 * script.h (class Version_script_info): Update declarations.
3021 (Version_script_info::get_symbol_version): Change return type to
3022 bool. Add version parameter. Change all callers.
3023 * symtab.cc (Sized_symbol::add_from_relobj): Rework version
3024 handling. Handle an empty version from a version script.
3025 (Symbol_table::define_special_symbol): Likewise.
3026 * testsuite/ver_test_10.script: New file.
3027 * testsuite/ver_test_10.sh: New file.
3028 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
3029 (check_DATA): Add ver_test_10.syms.
3030 (ver_test_10.syms, ver_test_10.so): New target.
3031 * testsuite/Makefile.in: Rebuild.
3033 2008-07-23 Simon Baldwin <simonb@google.com>
3035 * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
3036 to zero for undefined symbols from dynamic libraries.
3038 2008-07-23 Ian Lance Taylor <iant@google.com>
3040 * symtab.cc (Symbol_table::resolve): Remove version parameter.
3042 * symtab.h (class Symbol_table): Update declaration.
3043 * testsuite/ver_test_9.cc: New file.
3044 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
3045 (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
3046 (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
3047 (ver_test_9.so, ver_test_9.o): New targets.
3048 * testsuite/Makefile.in: Rebuild.
3050 2008-07-22 Ian Lance Taylor <iant@google.com>
3052 * options.h (class General_options): Define --check-sections.
3053 * layout.cc (Layout::set_segment_offsets): Handle
3056 * options.h (class General_options): Define -n/--nmagic and
3058 * options.cc (General_options::finalize): For -n/--nmagic or
3059 -N/--omagic, set -static.
3060 * layout.cc (Layout::attach_allocated_section_to_segment): If
3061 -N/--omagic, don't put read-only and read-write sections in
3063 (Layout::find_first_load_seg): If -N/--omagic, don't insist on
3064 finding a read-only segment.
3065 (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
3066 don't set the minimum segment alignment to the common page size,
3067 and don't set the file offset to the address modulo the page size.
3068 * script-sections.cc (Script_sections::create_segments): If
3069 -n/--omagic, don't put read-only and read-write sections in
3072 * cref.cc: New file.
3074 * options.h (class General_options): Add --print-symbol-counts.
3075 * main.cc (main): Issue defined symbol report if requested.
3076 * archive.cc (Archive::interpret_header): Make into a const member
3078 (Archive::add_symbols): Call Input_objects::archive_start and
3080 (Archive::const_iterator): Define new class.
3081 (Archive::begin, Archive::end): New functions.
3082 (Archive::include_all_members): Rewrite to use iterator.
3083 (Archive::count_members): New function.
3084 * archive.h (class Archive): Update declarations.
3085 (Archive::filename): New function.
3086 * object.cc: Include "cref.h".
3087 (Sized_relobj::Sized_relobj): Initialize defined_count_.
3088 (Sized_relobj::do_get_global_symbol_counts): New function.
3089 (Input_objects::add_object): Add object to cross-referencer.
3090 (Input_objects::archive_start): New function.
3091 (Input_objects::archive_stop): New function.
3092 (Input_objects::print_symbol_counts): New function.
3093 * object.h: Declare Cref and Archive.
3094 (Object::get_global_symbol_counts): New function.
3095 (Object::do_get_global_symbol_counts): New pure virtual function.
3096 (class Sized_relobj): Add defined_count_ field. Update
3098 (class Input_objects): Add cref_ field. Update constructor.
3099 Update declarations.
3100 * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
3102 (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
3104 (Sized_dynobj::do_get_global_symbol_counts): New function.
3105 * dynobj.h (class Sized_dynobj): Add fields symbols_ and
3106 defined_count_. Update declarations. Define Symbols typedef.
3107 * symtab.cc (Symbol_table::add_from_relobj): Add defined
3108 parameter. Change all callers.
3109 (Symbol_table::add_from_dynobj): Add sympointers and defined
3110 parameters. Change all callers.
3111 * symtab.h (class Symbol_table): Update declarations.
3112 * Makefile.am (CCFILES): Add cref.cc.
3113 (HFILES): Add cref.h.
3114 * Makefile.in: Rebuild.
3116 2008-07-22 Simon Baldwin <simonb@google.com>
3118 * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
3119 to zero when writing undefined symbols.
3121 2008-07-22 Ian Lance Taylor <iant@google.com>
3123 * output.cc (Output_section::add_input_section): Don't try to
3124 merge empty merge sections.
3126 2008-07-21 Craig Silverstein <csilvers@google.com>
3128 * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
3129 Include symbol version in error message.
3131 2008-07-20 Chris Demetriou <cgd@google.com>
3133 * configure.ac (gold_cv_c_random_seed): New configured variable.
3134 (RANDOM_SEED_CFLAGS): New substituted variable.
3135 * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
3136 * configure: Rebuild.
3137 * Makefile.in: Likewise.
3138 * testsuite/Makefile.in: Likewise.
3140 2008-07-18 Ian Lance Taylor <iant@google.com>
3142 * symtab.cc (Symbol_table::add_from_object): Rewrite the case
3143 where we see NAME/NULL and NAME/VERSION as separate symbols.
3144 * testsuite/ver_test_main.cc (main): Call t4.
3145 (t4, t4_2a): Define.
3146 * testsuite/ver_test_2.cc (t4_2): Define.
3147 * testsuite/ver_test_2.script: Put t4_2a in VER2.
3148 * testsuite/ver_test_4.cc (t4_2a): Define.
3149 * testsuite/ver_test_4.script: Put t4_2a in VER2.
3150 * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
3152 2008-07-17 Ian Lance Taylor <iant@google.com>
3154 * dynobj.cc (Versions::add_def): If we give an error about a
3155 missing version, go ahead and create the version anyhow.
3157 2008-07-10 Ian Lance Taylor <iant@google.com>
3159 Handle output sections with more than 0x7fffffff bytes.
3160 * object.h (class Relobj): Change map_to_output_ to
3161 output_sections_, and just keep a section pointer. Change all
3162 uses. Move comdat group support to Sized_relobj.
3163 (Relobj::is_section_specially_mapped): Remove.
3164 (Relobj::output_section): Remove poff parameter. Change all
3166 (Relobj::output_section_offset): New function.
3167 (Relobj::set_section_offset): Rewrite.
3168 (Relobj::map_to_output): Remove.
3169 (Relobj::output_sections): New function.
3170 (Relobj::do_output_section_offset): New pure virtual function.
3171 (Relobj::do_set_section_offset): Likewise.
3172 (class Sized_relobj): Add section_offsets_ field. Add comdat
3173 group support from Relobj. Update declarations.
3174 (Sized_relobj::get_output_section_offset): New function.
3175 (Sized_relobj::do_output_section_offset): New function.
3176 (Sized_relobj::do_set_section_offset): New function.
3177 * object.cc (Relobj::output_section_address): Remove.
3178 (Sized_relobj::Sized_relobj): Initialize new fields.
3179 (Sized_relobj::include_section_group): Cast find_kept_object to
3181 (Sized_relobj::include_linkonce_section): Likewise.
3182 (Sized_relobj::do_layout): Use separate arrays for output section
3184 (Sized_relobj::do_count_local_symbols): Change map_to_output to
3186 (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
3187 output_sections and section_offsets.
3188 (Sized_relobj::write_local_symbols): Likewise.
3189 (map_to_kept_section): Compute output address directly.
3190 * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
3191 output_sections and section_offsets.
3192 (Sized_relobj::write_sections): Likewise.
3193 (Sized_relobj::relocate_sections): Likewise.
3194 * symtab.cc (sized_finalize_symbol): Use output_section_offset.
3195 * output.h (class Output_reloc): Update declarations. Change
3196 u2_.relobj to Sized_relobj*.
3197 (class Output_data_reloc): Change add functions to use
3199 * output.cc (Output_reloc::Output_reloc): Change relobj to
3201 (Output_reloc::local_section_offset): Change return type to
3202 Elf_Addr. Use get_output_section_offset.
3203 (Output_reloc::get_address): Likewise.
3204 (Output_section::is_input_address_mapped): Don't call
3205 is_section_specially_mapped.
3206 (Output_section::output_offset): Likewise.
3207 (Output_section::output_address): Likewise.
3208 (Output_section::starting_output_address): Likewise.
3209 * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
3210 parameter to Sized_relobj*.
3211 (Copy_relocs::need_copy_reloc): Likewise.
3212 (Copy_relocs::save): Likewise.
3213 * copy-relocs.h (class Copy_relocs): Update declarations.
3214 (class Copy_relocs::Copy_reloc_entry): Change constructor to use
3215 Sized_relobj*. Change relobj_ field to Sized_relobj*.
3216 * target-reloc.h (relocate_for_relocatable): Change
3217 offset_in_output_section type to Elf_Addr. Change code that uses
3219 * layout.cc (Layout::layout): Always set *off.
3220 * mapfile.cc (Mapfile::print_input_section): Use
3221 output_section_offset.
3222 * i386.cc (Target_i386::copy_reloc): Change object parameter to
3224 * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
3225 * sparc.cc (Target_sparc::copy_reloc): Likewise.
3226 * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
3228 2008-07-03 Ian Lance Taylor <iant@google.com>
3230 * layout.cc (Layout::include_section): Do not discard unrecognized
3231 SHT_STRTAB sections.
3233 2008-06-30 Craig Silverstein <csilvers@cs.stanford.edu>
3235 * script.cc (Lex::can_continue_name): Make '?' allowable in
3236 version-script names.
3237 * testsuite/version_script.map: Change glob pattern to use '?'
3239 2008-06-30 Manish Singh <yosh@gimp.org>
3242 * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
3245 2008-06-30 Ian Lance Taylor <iant@google.com>
3249 * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
3250 versions]: Don't try to read the value in the contents, since we
3251 don't use it. Use the template endianness when writing.
3253 2008-06-25 Cary Coutant <ccoutant@google.com>
3255 * fileread.cc (File_read::make_view): Assert on zero-length view.
3256 * object.cc (Sized_relobj::do_read_symbols): Don't try to read
3257 symbol table when there are no symbols to read.
3259 2008-06-23 Craig Silverstein <csilvers@google.com>
3261 * version.cc (version_string): Bump to 1.7
3263 2008-06-18 Craig Silverstein <csilvers@google.com>
3265 * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
3266 constant 0xFFFF to type Valtype.
3267 (Powerpc_relocate_functions::rel16_ha): Likewise.
3269 2008-06-17 Ian Lance Taylor <iant@google.com>
3271 * output.h (Output_section::Input_section): Initialize p2align_ to
3272 zero for Output_section_data constructors.
3273 (Output_section::Input_section::addralign): If not an input
3274 section, return the alignment of the Output_section_data.
3275 * testsuite/copy_test.cc: New file.
3276 * testsuite/copy_test_1.cc: New file.
3277 * testsuite/copy_test_2.cc: New file.
3278 * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
3279 (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
3280 (copy_test_LDFLAGS, copy_test_LDADD): New variables.
3281 (copy_test_1_pic.o, copy_test_1.so): New targets.
3282 (copy_test_2_pic.o, copy_test_2.so): New targets.
3283 * testsuite/Makefile.in: Rebuild.
3285 * script-sections.cc (Script_sections::place_orphan): Initialize
3286 local variable exact.
3288 2008-06-13 David Edelsohn <edelsohn@gnu.org>
3290 * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
3292 2008-06-12 David Edelsohn <edelsohn@gnu.org>
3293 David S. Miller <davem@davemloft.net>
3295 * powerpc.cc: New file.
3296 * Makefile.am (TARGETSOURCES): Add powerpc.cc
3297 (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
3298 * configure.tgt: Add entries for powerpc-* and powerpc64-*.
3299 * Makefile.in: Rebuild.
3301 2008-06-09 Ian Lance Taylor <iant@google.com>
3303 * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
3305 (throwing, orig_terminate): New static variables.
3306 (terminate_handler): New static function.
3307 (t2): Set terminate handler.
3309 2008-06-05 Kris Van Hees <kris.van.hees@oracle.com>
3312 * binary.cc (Binary_to_elf::sized_convert): Fix .data
3315 2008-05-30 Cary Coutant <ccoutant@google.com>
3317 * archive.cc (Archive::include_all_members) Correct to step
3318 over symbol table and extended name table in thin archives.
3320 2008-05-29 Kris Van Hees <kris.van.hees@oracle.com>
3323 * target-reloc.h (relocate_for_relocatable): Fix new_offset
3326 2008-05-28 Caleb Howe <cshowe@google.com>
3328 * reduced_debug_output.cc: New file.
3329 * reduced_debug_output.h: New file.
3330 * options.h (class General_options): Add --strip-debug-non-line.
3331 * options.cc (General_options::finalize): Add strip_debug_non_line
3332 to the strip heirarchy.
3333 * layout.h (class Layout): Add debug_abbrev_ and debug_info_
3335 * layout.cc: Include "reduced_debug_output.h".
3336 (Layout::Layout): Initialize new fields.
3337 (line_only_debug_sections): New static array.
3338 (is_lines_only_debug_sections): New static inline function.
3339 (Layout::include_section): Handle --strip-debug-non-line.
3340 (Layout::make_output_section): If --strip-debug-non-line, build
3341 new output sections for .debug_abbrev and .debug_info.
3342 * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
3343 gold. Warn about possible overflow.
3344 (read_signed_LEB_128): Likewise.
3345 * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
3346 (read_signed_LEB_128): Declare.
3347 * Makefile.am (CCFILES): Add reduced_debug_output.cc.
3348 (HFILES): Add reduced_debug_output.h.
3349 * Makefile.in: Rebuild.
3351 2008-05-21 Ian Lance Taylor <iant@google.com>
3353 * mapfile.cc: New file.
3354 * mapfile.h: New file.
3355 * options.h (class General_options): Add -M/--print-map and -Map.
3356 * options.cc (General_options::finalize): Make -M equivalent to
3358 * main.cc: Include <cstdio> and "mapfile.h".
3359 (main): Open mapfile if requested.
3360 * gold.cc (class Middle_runner): Add mapfile_ field. Update
3361 constructor. Change caller.
3362 (queue_initial_tasks): Add mapfile parameter. Change caller.
3363 (queue_middle_tasks): Likewise.
3364 * gold.h (queue_initial_tasks, queue_middle_tasks): Update
3366 * archive.cc: Include "mapfile.h".
3367 (Archive::add_symbols): Add mapfile parameter. Change all
3368 callers. Pass mapfile, symbol, and reason to include_member.
3369 (Archive::include_all_members): Add mapfile parameter. Change all
3371 (Archive::include_member): Add mapfile, sym, and why parameters.
3372 Change all callers. Report inclusion to map file.
3373 * archive.h: Include "fileread.h".
3374 (class Archive): Update declarations.
3375 (Archive::file): New const method.
3376 (class Add_archive_symbols): Add mapfile_ field. Update
3377 constructor. Change all callers.
3378 * readsyms.h (class Read_symbols): Likewise.
3379 (class Finish_group): Likewise.
3380 (class Read_script): Likewise.
3381 * common.cc: Include "mapfile.h".
3382 (Symbol_table::allocate_commons): Add mapfile parameter. Change
3384 (Symbol_table::do_allocate_commons): Likewise.
3385 (Symbol_table::do_allocate_commons_list): Likewise. Report common
3386 symbol allocation to mapfile.
3387 * common.h (class Allocate_commons_task): Add mapfile_ field.
3388 Update constructor. Change all callers.
3389 * symtab.h (class Symbol_table): Update declarations.
3390 * layout.cc: Include "mapfile.h".
3391 (Layout_task_runner::run): Print information to mapfile.
3392 (Layout::create_gold_note): Change Output_data_fixed_space to
3393 Output_data_zero_fill.
3394 (Layout::create_build_id): Likewise.
3395 (Layout::print_to_mapfile): New function.
3396 * layout.h (class Layout_task_runner): Add mapfile_ field. Update
3397 constructor. Change caller.
3398 (class Layout): Declare print_to_mapfile.
3399 * output.cc (Output_section::Input_section::print_to_mapfile): New
3401 (Output_section::add_input_section): If producing a map, always
3402 add to input_sections_ list.
3403 (Output_section::do_print_to_mapfile): New function.
3404 (Output_segment::print_sections_to_mapfile): New function.
3405 (Output_segment::print_section_list_to_mapfile): New function.
3406 * output.h: Include "mapfile.h".
3407 (Output_data::print_to_mapfile): New function.
3408 (Output_data::do_print_to_mapfile): New virtual function.
3409 (Output_segment_headers::do_print_to_mapfile): New function.
3410 (Output_file_header::do_print_to_mapfile): New function.
3411 (Output_data_const::do_print_to_mapfile): New function.
3412 (class Output_data_const_buffer): Add map_name_ field. Update
3413 constructor. Change all callers. Add do_print_to_mapfile
3415 (class Output_data_fixed_space): Likewise.
3416 (class Output_data_space): Likewise.
3417 (class Output_data_zero_fill): New class.
3418 (Output_data_strtab::do_print_to_mapfile): New function.
3419 (Output_data_reloc_base::do_print_to_mapfile): New function.
3420 (Output_relocatable_relocs::do_print_to_mapfile): New function.
3421 (Output_data_group::do_print_to_mapfile): New function.
3422 (Output_data_got::do_print_to_mapfile): New function.
3423 (Output_data_dynamic::do_print_to_mapfile): New function.
3424 (Output_symtab_xindex::do_print_to_mapfile): New function.
3425 (class Output_section): Declare do_print_to_mapflie. Declare
3426 print_to_mapfile in Input_section.
3427 (class Output_segment): Declare new functions.
3428 * object.h (Sized_relobj::symbol_count): New function.
3429 * script-sections.cc
3430 (Output_section_element_dot_assignment::set_section_addresses):
3431 Change Output_data_fixed_space to Output_data_zero_fill.
3432 (Output_data_expression::do_print_to_mapfile): New function.
3433 * script.cc (read_input_script): Add mapfile parameter. Change
3435 * script.h (read_input_script): Update declaration.
3436 * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
3437 (Eh_frame::do_print_to_mapfile): New function.
3438 * merge.h (Output_merge_data::do_print_to_mapfile): New function.
3439 (Output_merge_string::do_print_to_mapfile): New function.
3440 * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
3442 * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
3444 * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
3446 * Makefile.am (CCFILES): Add mapfile.cc.
3447 (HFILES): Add mapfile.h.
3448 * Makefile.in: Rebuild.
3450 2008-05-19 Ian Lance Taylor <iant@google.com>
3452 * options.h (class General_options): Add -z relro.
3453 * layout.cc (Layout::Layout): Initialize relro_segment_.
3454 (Layout::add_output_section_data): Return the output section.
3455 (Layout::make_output_section): Rcognize relro sections and mark
3457 (Layout::attach_allocated_section_to_segment): Put relro sections
3458 in a PT_GNU_RELRO segment.
3459 (Layout::create_initial_dynamic_sections): Mark the .dynamic
3461 (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
3463 (Layout::linkonce_mapping): Map d.rel.ro.local to
3465 (Layout::output_section_name): Us .data.rel.ro.local for any
3466 section which begins with that.
3467 * layout.h (class Layout): Update add_output_section_data
3468 declaration. Add relro_segment_ field.
3469 * output.cc (Output_section::Output_section): Initialize is_relro_
3470 and is_relro_local_ fields.
3471 (Output_segment::add_output_section): Group relro sections.
3472 (Output_segment::is_first_section_relro): New function.
3473 (Output_segment::maximum_alignment): If there is a relro section,
3474 align the segment to the common page size.
3475 (Output_segment::set_section_addresses): Track whether we are
3476 looking at relro sections. If the last section is a relro
3477 section, align to the common page size.
3478 (Output_segment::set_section_list_addresses): Add in_relro
3479 parameter. Change all callers. Align to the page size when
3480 moving from relro to non-relro section.
3481 (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
3483 * output.h (class Output_section): Add is_relro_ and
3484 is_relro_local_ fields.
3485 (Output_section::is_relro): New function.
3486 (Output_section::set_is_relro): New function.
3487 (Output_section::is_relro_local): New function.
3488 (Output_section::set_is_relro_local): New function.
3489 (class Output_segment): Update declarations.
3490 * i386.cc (Target_i386::got_section): Mark .got section as relro.
3491 * sparc.cc (Target_sparc::got_section): Likewise.
3492 * x86_64.cc (Target_x86_64::got_section): Likewise.
3493 * testsuite/relro_test_main.cc: New file.
3494 * testsuite/relro_test.cc: New file.
3495 * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
3496 (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
3497 (relro_test_LDFLAGS, relro_test_LDADD): New variables.
3498 (relro_test.so, relro_test_pic.o): New targets.
3499 * testsuite/Makefile.in: Rebuild.
3501 2008-05-16 Ian Lance Taylor <iant@google.com>
3503 * output.cc (Output_segment::add_output_section): Remove front
3505 * output.h (class Output_segment): Remove
3506 add_initial_output_section and overloaded add_output_section.
3507 Update declaration of remaining add_output_section.
3508 * layout.cc (Layout::create_interp): Call add_output_section
3509 rather than add_initial_output_section.
3510 (Layout::finish_dynamic_section): Likewise.
3512 * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
3513 for TLS_GOTDESC and TLS_DESC_CALL. Only optimize TLS_LDO_32 if we
3514 know the dynamic type.
3515 * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
3516 field. Initialize it in constructor.
3517 (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
3518 block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
3519 Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
3522 * output.cc (Output_reloc::get_address): Change return type to
3524 * output.h (class Output_reloc): Update get_address declaration.
3525 * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
3526 for section addresses.
3528 2008-05-09 Ian Lance Taylor <iant@google.com>
3531 * gold.cc (gold_nomem): Use return value of write.
3533 2008-05-08 Ian Lance Taylor <iant@google.com>
3535 * symtab.c (Symbol::init_base_output_data): Add version
3536 parameter. Change all callers.
3537 (Symbol::init_base_output_segment): Likewise.
3538 (Symbol::init_base_constant): Likewise.
3539 (Symbol::init_base_undefined): Likewise.
3540 (Sized_symbol::init_output_data): Likewise.
3541 (Sized_symbol::init_output_segment): Likewise.
3542 (Sized_symbol::init_constant): Likewise.
3543 (Sized_symbol::init_undefined): Likewise.
3544 (Symbol_table::do_define_in_output_data): If the new symbol has a
3545 version, mark it as the default.
3546 (Symbol_table::do_define_in_output_segment): Likewise.
3547 (Symbol_table::do_define_as_constant): Likewise.
3548 * symtab.h (class Symbol): Update declarations.
3549 (class Sized_symbol): Likewise.
3550 * resolve.cc (Symbol::override_version): New function.
3551 (Symbol::override_base): Call override_version.
3552 (Symbol::override_base_with_special): Likewise.
3553 * testsuite/ver_script_8.script: New file.
3554 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
3555 (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
3556 (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
3557 (ver_test_8_1.so, ver_test_8_2.so): New targets.
3559 2008-05-06 Ian Lance Taylor <iant@google.com>
3562 * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
3564 (class General_options): Remove existing --undefined, and add
3565 --no-undefined instead. Add new --undefined as synonym for -u.
3566 * archive.cc (Archive::add_symbols): Check whether symbol was
3568 * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
3569 * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
3570 all uses. Add IS_UNDEFINED. Update declarations to split
3571 different versions of init_base. Declare init_base_undefined.
3572 (Symbol::is_defined): Handle IS_UNDEFINED.
3573 (Symbol::is_undefined): Likewise.
3574 (Symbol::is_weak_undefined): Call is_undefined.
3575 (Symbol::is_absolute): Handle IS_CONSTANT.
3576 (class Sized_symbol): Update declarations to split different
3577 versions of init. Declare init_undefined.
3578 (class Symbol_table): Declare new functions.
3579 * symtab.cc (Symbol::init_base_object): Rename from init_base.
3581 (Symbol::init_base_output_data): Likewise.
3582 (Symbol::init_base_output_segment): Likewise.
3583 (Symbol::init_base_constant): Likewise.
3584 (Symbol::init_base_undefined): New function.
3585 (Sized_symbol::init_object): Rename from init. Change all
3587 (Sized_symbol::init_output_data): Likewise.
3588 (Sized_symbol::init_output_segment): Likewise.
3589 (Sized_symbol::init_constant): Likewise.
3590 (Sized_symbol::init_undefined): New function.
3591 (Symbol_table::add_undefined_symbols_from_command_line): New
3593 (Symbol_table::do_add_undefined_symbols_from_command_line): New
3595 (Symbol::final_value_is_known): Handle IS_UNDEFINED.
3596 (Symbol::output_section): Likewise.
3597 (Symbol::set_output_section): Likewise.
3598 (Symbol_table::sized_finalize_symbol): Likewise.
3599 (Symbol_table::sized_write_globals): Likewise.
3600 * resolve.cc (Symbol_table::should_override): Likewise.
3601 (Symbol::override_base_with_special): Likewise.
3603 * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
3604 symbol, change it to have default visibility.
3605 * testsuite/protected_1.cc: New file.
3606 * testsuite/protected_2.cc: New file.
3607 * testsuite/protected_3.cc: New file.
3608 * testsuite/protected_main_1.cc: New file.
3609 * testsuite/protected_main_2.cc: New file.
3610 * testsuite/protected_main_3.cc: New file.
3611 * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
3612 (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
3613 (protected_1_LDFLAGS, protected_1_LDADD): Define.
3614 (protected_1.so): New target.
3615 (protected_1_pic.o, protected_2_pic.o): New targets.
3616 (protected_3_pic.o): New target.
3617 (check_PROGRAMS): Add protected_2.
3618 (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
3619 (protected_2_LDFLAGS, protected_2_LDADD): Define.
3620 * testsuite/Makefile.in: Rebuild.
3622 * options.h (DEFINE_var): Add set_user_set_##varname__.
3623 (DEFINE_bool_alias): New macro.
3624 (class General_options): Define -Bstatic using DEFINE_bool_alias
3625 rather than DEFINE_special. Add --undefined as an alias for -z
3627 * options.cc (General_options::parse_Bstatic): Remove.
3629 * options.h (class General_options): Add --fatal-warnings.
3630 * main.cc (main): Implement --fatal-warnings.
3631 * errors.h (Errors::warning_count): New function.
3633 * options.h (class General_options): Add -Bsymbolic-functions.
3634 * symtab.h (Symbol::is_preemptible): Check for
3635 -Bsymbolic-functions.
3637 2008-05-05 Ian Lance Taylor <iant@google.com>
3639 * options.h (DEFINE_bool): For DASH_Z, create the negative option
3640 as noVARNAME rather than no-VARNAME.
3641 (class General_options): Add option -z combreloc.
3642 * output.h (class Output_reloc) [SHT_REL]: Declare compare and
3644 (Output_reloc::sort_before) [SHT_REL]: New function.
3645 (Output_reloc::sort_before) [SHT_RELA]: New function.
3646 (class Output_data_reloc_base): Add sort_relocs_ field. Define
3647 Sort_relocs_comparison.
3648 (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
3649 parameter. Change all callers.
3650 (Output_data_reloc::Output_data_reloc) [both versions]: Add
3651 sort_relocs parameter. Change all callers.
3652 * output.cc (Output_reloc::get_address): New function, broken out
3654 (Output_reloc::write_rel): Call it.
3655 (Output_reloc::compare): New function.
3656 (Output_data_reloc_base::do_write): Optionally sort relocs.
3658 * configure.ac: If targ_extra_obj is set, link it in.
3659 * configure.tgt: Initialize all variables.
3660 (x86_64*): Set targ_extra_obj and targ_extra_size.
3661 * configure: Rebuild.
3663 * object.cc (Sized_relobj::include_section_group): Adjust section
3664 indexes read from group data. Build vector to pass to
3666 * layout.cc (Layout::layout_group): Add flags and shndxes
3667 parameters. Remove contents parameter. Change caller. Update
3668 explicit instantiations.
3669 * layout.h (class Layout): Update layout_group declaration.
3670 * output.cc (Output_data_group::Output_data_group): Add flags and
3671 input_shndxes parameters. Remove contents parameter. Change
3673 (Output_data_group::do_write): Change input_sections_ to
3675 * output.h (class Output_data_group): Update constructor
3676 declaration. Rename input_sections_ to input_shndxes_.
3677 * testsuite/many_sections_test.cc: Add template.
3679 2008-04-30 Cary Coutant <ccoutant@google.com>
3681 * target-reloc.h (relocate_section): Fix dead-pointer bug.
3683 * layout.cc (Layout::include_section): Refactored check for debug
3685 (Layout::add_comdat): Add new parameters. Change type
3686 of signature parameter. Add object and shndx to signatures table.
3687 (Layout::find_kept_object): New function.
3688 * layout.h: Include <cstring>.
3689 (Layout::is_debug_info_section): New function.
3690 (Layout::add_comdat): Add new parameters.
3691 (Layout::find_kept_object): New function.
3692 (Layout::Kept_section): New struct.
3693 (Layout::Signatures): Change type of map range.
3694 * object.cc (Relobj::output_section_address): New function.
3695 (Sized_relobj::include_section_group): Add new parameters. Change
3696 calls to Layout::add_comdat. Change to build table of kept comdat
3697 groups and table mapping discarded sections to kept sections.
3698 (Sized_relobj::include_linkonce_section): Likewise. Add new parameter.
3699 (Sized_relobj::do_layout): Change calls to include_section_group and
3700 include_linkonce_section.
3701 (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
3702 value to zero when section is discarded.
3703 (Sized_relobj::map_to_kept_section): New function.
3704 * object.h (Relobj::output_section_address): New function.
3705 (Relobj::Comdat_group): New type.
3706 (Relobj::find_comdat_group): New function.
3707 (Relobj::Comdat_group_table): New type.
3708 (Relobj::Kept_comdat_section): New type.
3709 (Relobj::Kept_comdat_section_table): New type.
3710 (Relobj::add_comdat_group): New function.
3711 (Relobj::set_kept_comdat_section): New function.
3712 (Relobj::get_kept_comdat_section): New function.
3713 (Relobj::comdat_groups_): New field.
3714 (Relobj::kept_comdat_sections_): New field.
3715 (Symbol_value::input_value): Update comment.
3716 (Sized_relobj::map_to_kept_section) New function.
3717 (Sized_relobj::include_linkonce_section): Add new parameter.
3718 * target-reloc.h (Comdat_behavior): New type.
3719 (get_comdat_behavior): New function.
3720 (relocate_section): Add code to map a discarded section to the
3721 corresponding kept section when applying a relocation.
3723 2008-04-30 Craig Silverstein <csilvers@google.com>
3725 * dwarf_reader.cc (next_generation_count): New static var.
3726 (Addr2line_cache_entry): New struct.
3727 (addr2line_cache): New static var.
3728 (Dwarf_line_info::one_addr2line): Added caching.
3729 (Dwarf_line_info::clear_addr2line_cache): New function.
3730 * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
3731 cache-size parameter.
3732 (Dwarf_line_info::one_addr2line_cache): New function.
3733 * symtab.cc (Symbol_table::detect_odr_violations): Pass
3734 new cache-size argument to one_addr2line(), and clear cache.
3736 2008-04-28 Cary Coutant <ccoutant@google.com>
3738 * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
3739 R_386_PC8 relocations.
3741 2008-04-23 Ian Lance Taylor <iant@google.com>
3743 * object.cc (Sized_relobj::include_section_group): Check for
3744 invalid section group.
3746 * object.cc (make_elf_object): Correct test for 64-bit ELF file
3749 * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
3750 than read for file header.
3751 * archive.cc (Archive::include_member): Likewise.
3753 2008-04-23 Paolo Bonzini <bonzini@gnu.org>
3755 * aclocal.m4: Regenerate.
3756 * configure: Regenerate.
3758 2008-04-19 Ian Lance Taylor <iant@google.com>
3760 * version.cc (version_string): Bump to 1.6.
3762 * testsuite/Makefile.am (many_sections_r_test): New target.
3763 (many_sections_r_test_SOURCES): Remove.
3764 (many_sections_r_test_DEPENDENCIES): Remove.
3765 (many_sections_r_test_LDFLAGS): Remove.
3766 (many_sections_r_test_LDADD): Remove.
3768 * object.cc (Sized_relobj::do_add_symbols): Always pass
3769 local_symbol_count_ to add_from_relobj.
3771 * testsuite/Makefile.am (many_sections_check.h): Only check one in
3772 every thousand variables.
3773 * testsuite/Makefile.in: Rebuild.
3775 * object.cc (Xindex::initialize_symtab_xindex): New function.
3776 (Xindex::read_symtab_xindex): New function.
3777 (Xindex::sym_xindex_to_shndx): New function.
3778 (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
3780 (Sized_relobj::do_initialize_xindex): New function.
3781 (Sized_relobj::do_read_symbols): Adjust section links.
3782 (Sized_relobj::symbol_section_and_value): Add is_ordinary
3783 parameter. Change all callers.
3784 (Sized_relobj::include_section_group): Adjust section links and
3785 symbol section indexes.
3786 (Sized_relobj::do_layout): Adjust section links.
3787 (Sized_relobj::do_count_local_symbols): Adjust section links and
3788 symbol section indexes.
3789 (Sized_relobj::do_finalize_local_symbols): Distinguish between
3790 ordinary and special symbols.
3791 (Sized_relobj::write_local_symbols): Add symtab_xindex and
3792 dynsym_xindex parameters. Change all callers. Adjust section
3793 links. Use SHN_XINDEX when needed.
3794 (Sized_relobj::get_symbol_location_info): Adjust section links.
3795 Don't get fooled by special symbols.
3796 * object.h (class Xindex): Define.
3797 (class Object): Add xindex_ parameter. Declare virtual functoin
3798 do_initialize_xindex.
3799 (Object::adjust_sym_shndx): New function.
3800 (Object::set_xindex): New protected function.
3801 (class Symbol_value): Add is_ordinary_shndx_ field.
3802 (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
3803 (Symbol_value::value): Assert ordinary section.
3804 (Symbol_value::initialize_input_to_output_map): Likewise.
3805 (Symbol_value::set_input_shndx): Add is_ordinary parameter.
3807 (Symbol_value::input_shndx): Add is_ordinary parameter. Change
3809 (class Sized_relobj): Update declarations.
3810 (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
3811 parameter. Change all callers.
3812 (Sized_relobj::adjust_shndx): New function.
3813 * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
3815 (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
3816 parameter. Change all callers. Pick up SHT_DYNSYM_SHNDX section
3817 for SHT_DYNSYM section if available. Set dynsym_shndx_ field.
3818 (Sized_dynobj::read_dynsym_section): Adjust section links.
3819 (Sized_dynobj::read_dynamic): Likewise.
3820 (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field. Adjust
3822 (Sized_dynobj::do_initialize_xindex): New function.
3823 * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field. Declare
3824 do_initialize_xindex.
3825 (Sized_dynobj::adjust_shndx): New function.
3826 * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
3827 dynsym_xindex_ fields.
3828 (Layout::finalize): Add a call to set_section_indexes before
3829 creating the symtab sections.
3830 (Layout::set_section_indexes): Don't do anything if the section
3831 already has a section index.
3832 (Layout::create_symtab_sections): Add shnum parameter. Change
3833 caller. Create .symtab_shndx section if needed.
3834 (Layout::create_shdrs): Add shstrtab_section parameter. Change
3836 (Layout::allocated_output_section_count): New function.
3837 (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
3839 * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
3840 fields. Update declarations.
3841 (Layout::symtab_xindex): New function.
3842 (Layout::dynsym_xindex): New function.
3843 (class Write_symbols_task): Add layout_ field.
3844 (Write_symbols_task::Write_symbols_task): Add layout parameter.
3846 * output.cc (Output_section_headers::Output_section_headers): Add
3847 shstrtab_section parameter. Change all callers.
3848 (Output_section_headers::do_sized_write): Store overflow values
3849 for section count and section string table section index in
3850 section header zero.
3851 (Output_file_header::do_sized_write): Check for overflow of
3852 section count and section string table section index.
3853 (Output_symtab_xindex::do_write): New function.
3854 (Output_symtab_xindex::endian_do_write): New function.
3855 * output.h (class Output_section_headers): Add shstrtab_section_.
3856 Update declarations.
3857 (class Output_symtab_xindex): Define.
3858 (Output_section::has_out_shndx): New function.
3859 * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
3861 (Symbol::init_base): Add st_shndx and is_ordinary parameters.
3863 (Sized_symbol::init): Likewise.
3864 (Symbol::output_section): Check for ordinary symbol.
3865 (Symbol_table::add_from_object): Remove orig_sym parameter. Add
3866 st_shndx, is_ordinary, and orig_st_shndx parameters. Change all
3868 (Symbol_table::add_from_relobj): Add symndx_offset parameter.
3869 Change all callers. Simplify handling of symbols from sections
3870 not included in the link.
3871 (Symbol_table::add_from_dynobj): Handle ordinary symbol
3873 (Weak_alias_sorter::operator()): Assert that symbols are
3875 (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
3877 (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
3878 parameters. Change all callers.
3879 (Symbol_table::sized_write_globals): Likewise. Handle ordinary
3880 symbol distinction. Use SHN_XINDEX when needed.
3881 (Symbol_table::write_section_symbol): Add symtab_xindex
3882 parameter. Change all callers.
3883 (Symbol_table::sized_write_section_symbol): Likewise. Use
3884 SHN_XINDEX when needed.
3885 * symtab.h (class Symbol): Add is_ordinary_shndx_ field. Update
3887 (Symbol::shndx): Add is_ordinary parameter. Change all callers.
3888 (Symbol::is_defined): Check is_ordinary.
3889 (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
3890 (Symbol::is_absolute, Symbol::is_common): Likewise.
3891 (class Sized_symbol): Update declarations.
3892 (class Symbol_table): Update declarations.
3893 * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
3894 parameters. Change all callers.
3895 (Sized_symbol::override): Likewise.
3896 (Symbol_table::override): Likewise.
3897 (symbol_to_bits): Add is_ordinary parameter. Change all callers.
3898 (Symbol_table::resolve): Remove orig_sym parameter. Add st_shndx,
3899 is_ordinary, and orig_st_shndx parameters. Change all callers.
3900 * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
3901 to be in an ordinary section.
3902 * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
3903 object and is_ordinary parameters. Change all callers.
3904 (Sized_dwarf_line_info::read_relocs): Add object parameter.
3905 Change all callers. Don't add undefined or non-ordinary symbols
3907 (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
3909 * dwarf_reader.h (class Sized_dwarf_line_info): Update
3911 * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
3912 * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
3913 (Sized_relobj::relocate_sections): Likewise.
3914 * target-reloc.h (scan_relocs): Adjust section symbol index.
3915 (scan_relocatable_relocs): Likewise.
3916 * i386.cc (Scan::local): Check for ordinary symbols.
3917 * sparc.cc (Scan::local): Likewise.
3918 * x86_64.cc (Scan::local): Likewise.
3919 * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
3920 to symbol_section_and_value.
3921 * testsuite/many_sections_test.cc: New file.
3922 * testsuite/Makefile.am (BUILT_SOURCES): Define.
3923 (check_PROGRAMS): Add many_sections_test.
3924 (many_sections_test_SOURCES): Define.
3925 (many_sections_test_DEPENDENCIES): Define.
3926 (many_sections_test_LDFLAGS): Define.
3927 (BUILT_SOURCES): Add many_sections_define.h.
3928 (many_sections_define.h): New target.
3929 (BUILT_SOURCES): Add many_sections_check.h.
3930 (many_sections_check.h): New target.
3931 (check_PROGRAMS): Add many_sections_r_test.
3932 (many_sections_r_test_SOURCES): Define.
3933 (many_sections_r_test_DEPENDENCIES): Define.
3934 (many_sections_r_test_LDFLAGS): Define.
3935 (many_sections_r_test_LDADD): Define.
3936 (many_sections_r_test.o): New target.
3937 * testsuite/Makefile.in: Rebuild.
3939 2008-04-17 Cary Coutant <ccoutant@google.com>
3941 * errors.cc (Errors::info): New function.
3942 (gold_info): New function.
3943 * errors.h (Errors::info): New function.
3944 * gold.h (gold_info): New function.
3945 * object.cc (Input_objects::add_object): Print trace output.
3946 * options.cc (options::parse_set): New function.
3947 (General_options::parse_wrap): Deleted.
3948 (General_options::General_options): Deleted initializer.
3949 * options.h (options::String_set): New typedef.
3950 (options::parse_set): New function.
3951 (DEFINE_set): New macro.
3952 (General_options::wrap): Changed to use DEFINE_set. Changed
3953 callers of any_wrap_symbols and is_wrap_symbol.
3954 (General_options::trace, General_options::trace_symbol):
3956 (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
3957 (General_options::wrap_symbols_): Deleted.
3958 * symtab.cc (Symbol_table::add_from_object): Print trace output.
3960 2008-04-17 David S. Miller <davem@davemloft.net>
3962 * options.cc (General_options::parse_V): New function.
3963 * options.h: Add entries for -V and -Qy.
3965 2008-04-17 Ian Lance Taylor <iant@google.com>
3967 * common.cc (Symbol_table::allocate_commons): Remove options
3968 parameter. Change caller.
3969 (Symbol_table::do_allocate_commons): Remove options parameter.
3970 Change caller. Just call do_allocate_commons_list twice.
3971 (Symbol_table::do_allocate_commons_list): New function, broken out
3972 of do_allocate_commons.
3973 * common.h (class Allocate_commons_task): Remove options_ field.
3975 * symtab.cc (Symbol_table::Symbol_table): Initialize
3977 (Symbol_table::add_from_object): Put TLS common symbols on
3979 (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
3980 which are IN_OUTPUT_DATA.
3981 * symtab.h (class Symbol_table): Add tls_commons_ field. Update
3982 allocate_commons and do_allocate_commons declarations. Declare
3983 do_allocate_commons_list.
3984 * gold.cc (queue_middle_tasks): Update creation of
3985 Allocate_commons_task to not pass options.
3986 * testsuite/Makefile.am (INCLUDES): Add -I.. .
3987 (TLS_TEST_C_FLAGS): New variable.
3988 (tls_test_c_pic.o): New target.
3989 (tls_test_shared.so): Link in tls_test_c_pic.o.
3990 (tls_test_c_pic_ie.o): New target.
3991 (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
3992 (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
3993 (tls_test_c.o): New target.
3994 (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
3995 (tls_pic_test_LDADD): Likewise.
3996 (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
3997 (tls_shared_gd_to_ie_test_LDADD): Likewise.
3998 (tls_test_c_gnu2.o): New target.
3999 (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
4001 (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
4002 (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
4003 (tls_test_shared_nonpic.so): Link in tls_test_c.o.
4004 * testsuite/tls_test.cc: Include "config.h".
4005 (t_last): Call t11_last.
4006 * testsuite/tls_test.h (t11, t11_last): Declare.
4007 * testsuite/tls_test_c.c: New file.
4008 * testsuite/tls_test_main.cc (thread_routine): Call t11.
4009 * configure.ac: Check for OpenMP support.
4010 * configure, config.in, Makefile.in: Rebuild.
4011 * testsuite/Makefile.in: Rebuild.
4013 2008-04-16 Cary Coutant <ccoutant@google.com>
4015 * i386.cc (Target_i386::define_tls_base_symbol): New function.
4016 (Target_i386::tls_base_symbol_defined_): New field.
4017 (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
4018 (Target_i386::Scan::global): Likewise.
4019 * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
4020 * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
4021 (Target_x86_64::tls_base_symbol_defined_): New field.
4022 (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
4023 (Target_x86_64::Scan::global): Likewise.
4025 2008-04-16 Cary Coutant <ccoutant@google.com>
4027 * symtab.h (Symbol::is_strong_undefined): Removed unused function.
4028 (Symbol::needs_plt_entry): Allow weak undefined symbols.
4029 (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
4030 building shared libraries.
4031 * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
4032 (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
4033 (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
4034 * testsuite/Makefile.in: Rebuild.
4035 * testsuite/weak_undef.h: New file.
4036 * testsuite/weak_undef_file1.cc: Add extra test cases.
4037 * testsuite/weak_undef_file2.cc: Likewise.
4038 * testsuite/weak_undef_test.cc: Likewise.
4040 2008-04-16 David S. Miller <davem@davemloft.net>
4042 * sparc.cc (Target_sparc::Scan): Change from struct to class.
4043 Add issued_non_pic_error_ field. Declare check_non_pic.
4044 (Target_sparc::Scan::check_non_pic): New function.
4045 (Target_sparc::Scan::local): Call check_non_pic as appropriate.
4046 (Target_sparc::Scan::global): Likewise.
4048 * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
4049 * configure: Rebuild.
4051 * options.h (DEFINE_enable): New macro.
4052 (new_dtags): New enable option.
4053 (initfirst, interpose, loadfltr, nodefaultlib,
4054 nodelete, nodlopen, nodump): New -z options.
4055 * layout.cc (Layout:finish_dynamic_section): If new
4056 dtags enabled, emit DT_RUNPATH. Also, emit a
4057 DT_FLAGS_1 containing any specified -z flags.
4059 2008-04-16 Ian Lance Taylor <iant@google.com>
4061 * copy-relocs.cc: New file.
4062 * copy-relocs.h: New file.
4063 * reloc.cc: Remove Copy_relocs code.
4064 * reloc.h: Likewise.
4065 * reloc-types.h (struct Reloc_types) [both versions]: Add
4066 get_reloc_addend_noerror.
4067 * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
4068 variants of add_global which take an addend which must be zero.
4069 * i386.cc: Include "copy-relocs.h".
4070 (class Target_i386): Change type of copy_relocs_ to variable,
4072 (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
4074 (Target_i386::do_finalize_sections): Change handling of
4076 * sparc.cc: Include "copy-relocs.h".
4077 (class Target_sparc): Change type of copy_relocs_ to variable,
4079 (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
4081 (Target_sparc::do_finalize_sections): Change handling of
4083 * x86_64.cc: Include "copy-relocs.h".
4084 (class Target_x86_64): Change type of copy_relocs_ to variable,
4086 (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
4087 class. Change all callers.
4088 (Target_x86_64::do_finalize_sections): Change handling of
4090 * Makefile.am (CCFILES): Add copy-relocs.cc.
4091 (HFILES): Add copy-relocs.h.
4093 * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
4095 * testsuite/script_test_4.sh: Permit leading zeroes.
4097 2008-04-15 Ian Lance Taylor <iant@google.com>
4099 * script-sections.cc (Script_sections::create_segments): Use
4100 header_size_adjustment even when there is enough room for the
4102 * testsuite/script_test_4.sh: New file.
4103 * testsuite/script_test_4.t: New file.
4104 * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
4105 (check_DATA): Add script_test_4.stdout.
4106 (MOSTLYCLEANFILES): Likewise.
4107 (script_test_4): New target.
4108 (script_test_4.stdout): New target.
4109 * testsuite/Makefile.in: Rebuild.
4111 * sparc.cc: Add definitions for Output_data_plt_sparc class
4114 2008-04-14 David S. Miller <davem@davemloft.net>
4116 * sparc.cc: New file.
4117 * Makefile.am (TARGETSOURCES): Add sparc.cc
4118 (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
4119 * configure.tgt: Document targ_extra_size and
4120 targ_extra_big_endian. Add entries for sparc-* and
4122 * configure.ac: Handle targ_extra_size and
4123 targ_extra_big_endian.
4124 * Makefile.in: Rebuild.
4125 * configure: Likewise.
4126 * po/POTFILES.in: Likewise.
4127 * po/gold.pot: Likewise.
4129 2008-04-14 Ian Lance Taylor <iant@google.com>
4131 * layout.cc (Layout::Layout): Initialize sections_are_attached_.
4132 (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
4133 in the name/type/flags to section mapping. Don't call
4134 allocate_output_section.
4135 (Layout::choose_output_section): Change parameter from adjust_name
4136 to is_input_section. Don't permit input sections after sections
4137 are attached to segments. Don't call allocate_output_section.
4138 (Layout::layout_eh_frame): Call update_flags_for_input_section,
4139 not write_enable_output_section.
4140 (Layout::make_output_section): Don't push to
4141 unattached_section_list_ nor call attach_to_segment. Call
4142 attach_section_to_segment if sections are attached.
4143 (Layout::attach_sections_to_segments): New function.
4144 (Layout::attach_section_to_segment): New function.
4145 (Layout::attach_allocated_section_to_segment): Rename from
4146 attach_to_segment. Remove flags parameter.
4147 (Layout::allocate_output_section): Remove function.
4148 (Layout::write_enable_output_section): Remove function.
4149 * layout.h (class Layout): Update for above changes. Add new
4150 field sections_are_attached_.
4151 * output.h (Output_section::update_flags_for_input_section): New
4153 * output.cc (Output_section::add_input_section): Call
4154 update_flags_for_input_section.
4155 * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
4157 2008-04-11 Cary Coutant <ccoutant@google.com>
4159 * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
4160 thought unnecessary.
4161 * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
4163 2008-04-11 Ian Lance Taylor <iant@google.com>
4165 * output.h (class Output_section_data): Remove inline definition
4167 * output.cc (Output_section_data::set_addralign): New function.
4169 2008-04-11 Cary Coutant <ccoutant@google.com>
4171 Add support for TLS descriptors for i386 and x86_64.
4172 * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
4173 (Target_i386::Relocate::tls_desc_gd_to_le): New function.
4174 (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
4176 (Target_i386::got_mod_index_entry): Remove unnecessary code.
4177 (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
4178 R_386_TLS_DESC_CALL relocations. Fix problem with initial-exec
4180 (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
4181 Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
4182 Fix problem with initial-exec relocations.
4183 (Target_i386::Relocate::relocate_tls): Likewise.
4184 (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
4186 * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
4187 support for section-plus-offset dynamic table entries.
4188 * output.h (Output_data_dynamic::add_section_plus_offset): New function.
4189 (Output_data_dynamic::Dynamic_entry): Add support for
4190 section-plus-offset dynamic table entries.
4191 (Output_data_dynamic::Classification): Likewise.
4192 (Output_data_dynamic::classification_): Renamed offset_.
4193 * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
4194 (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
4195 (Target_x86_64::make_plt_section): New function.
4196 (Target_x86_64::reserve_tlsdesc_entries): New function.
4197 (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
4198 (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
4199 (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
4200 (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
4201 (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
4202 (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
4203 (Output_data_plt_x86_64::set_final_data_size): Move out of line;
4204 add extra PLT entry for TLS descriptors.
4205 (Output_data_plt_x86_64::got_): New field.
4206 (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
4207 (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
4209 (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
4211 (Target_x86_64::make_plt_entry): Factor out make_plt_section.
4212 (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
4213 (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
4214 R_386_TLS_DESC_CALL relocations.
4215 (Target_x86_64::Scan::global): Likewise.
4216 (Target_x86_64::do_finalize_sections): Add dynamic table entries
4217 for TLS descriptors.
4218 (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
4219 Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
4220 (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
4221 GD-to-IE relaxation.
4222 * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
4223 and TLS_DESCRIPTORS.
4224 * Makefile.in: Rebuild.
4225 * configure: Rebuild.
4226 * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
4227 (tls_test_shared2.so): New target.
4228 (tls_shared_gd_to_ie_test_SOURCES): New variable.
4229 (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
4230 (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
4231 (tls_shared_gd_to_ie_test_LDADD): New variable.
4232 (tls_shared_gnu2_gd_to_ie_test): New target.
4233 (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
4235 (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
4236 (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
4237 (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
4238 (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
4239 (tls_shared_gnu2_test): New target.
4240 (tls_test_gnu2_shared.so): New target.
4241 (tls_shared_gnu2_test_SOURCES): New variable.
4242 (tls_shared_gnu2_test_DEPENDENCIES): New variable.
4243 (tls_shared_gnu2_test_LDFLAGS): New variable.
4244 (tls_shared_gnu2_test_LDADD): New variable.
4245 * testsuite/Makefile.in: Rebuild.
4246 * testsuite/Makefile.
4248 2008-04-11 Ian Lance Taylor <iant@google.com>
4250 * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
4252 * testsuite/Makefile.in: Rebuild.
4254 * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
4256 * testsuite/script_test_2.cc (main): Adjust test.
4258 2008-04-11 David S. Miller <davem@davemloft.net>
4259 Ian Lance Taylor <iant@google.com>
4261 * options.h (General_options): Add entries for '-Y' and
4263 * options.cc (General_options:finalize): If -Y was used, add those
4264 entries to the library path instead of the default "/lib" and
4267 2008-04-11 David S. Miller <davem@davemloft.net>
4269 * testsuite/justsyms.t: Start at 0x100.
4270 * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
4271 * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
4273 * testsuite/script_test_2.cc: Adjust string and section length
4276 2008-04-09 Ian Lance Taylor <iant@google.com>
4279 * script-sections.cc (Sections_element::allocate_to_segment): Add
4281 (Output_section_definition::allocate_to_segment): Likewise.
4282 (Orphan_output_section::allocate_to_segment): Likewise.
4283 (Script_sections::attach_sections_using_phdrs_clause): Don't
4284 propagate non-PT_LOAD segments to orphan sections.
4285 * testsuite/Makefile.am (script_test_3.stdout): Generate using
4286 readelf rather than objdump.
4287 * testsuite/script_test_3.sh: Adjust accordingly. Test that
4288 .interp section and PT_INTERP segment are the same size.
4289 * testsuite/Makefile.in: Rebuild.
4291 * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
4292 aliases for symbols defined in the same object.
4293 * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
4294 (weak_alias_test_SOURCES): New variable.
4295 (weak_alias_test_DEPENDENCIES): New variable.
4296 (weak_alias_test_LDFLAGS): New variable.
4297 (weak_alias_test_LDADD): New variable.
4298 (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
4299 (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
4300 (weak_alias_test_3.o): New target.
4301 (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
4302 * testsuite/weak_alias_test_main.cc: New file.
4303 * testsuite/weak_alias_test_1.cc: New file.
4304 * testsuite/weak_alias_test_2.cc: New file.
4305 * testsuite/weak_alias_test_3.cc: New file.
4307 2008-04-08 Ian Lance Taylor <iant@google.com>
4309 * options.h (class General_options): Add --noinhibit-exec option.
4310 * main.cc (main): Check --noinhibit-exec.
4312 * options.h (class General_options): Define --wrap as a special
4313 option. Add wrap_symbols_ field.
4314 (General_options::any_wrap_symbols): New function.
4315 (General_options::is_wrap_symbol): New function.
4316 * options.cc (General_options::parse_wrap): New function.
4317 (General_options::General_options): Initialize wrap_symbols_.
4318 * symtab.cc (Symbol_table::wrap_symbol): New function.
4319 (Symbol_table::add_from_object): Handle --wrap.
4320 * symtab.h (class Symbol_table): Declare wrap_symbol.
4321 * target.h (Target::wrap_char): New function.
4322 (Target::Target_info): Add wrap_char field.
4323 * i386.cc (Target_i386::i386_info): Initialize wrap_char.
4324 * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
4325 * testsuite/testfile.cc (Target_test::test_target_info):
4328 * errors.cc (Errors::undefined_symbol): Mention symbol version if
4331 * layout.h (class Layout): Add added_eh_frame_data_ field.
4332 * layout.cc (Layout::Layout): Initialize new field.
4333 (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
4334 output section until we find a section we merged successfully.
4335 * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
4336 that the size be non-zero.
4338 * merge.cc (Object_merge_map::get_output_offset): Remove inline
4341 2008-04-08 Craig Silverstein <csilvers@google.com>
4343 * configure.ac: Export new conditional variable HAVE_ZLIB.
4344 * testsuite/Makefile.am (flagstest_o_specialfile): Condition
4346 (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
4347 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
4349 2008-04-07 Ian Lance Taylor <iant@google.com>
4351 * version.cc (version_string): Set to "1.5".
4353 * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
4354 Add issued_non_pic_error_ field. Declare check_non_pic.
4355 (Target_x86_64::Scan::check_non_pic): New function.
4356 (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
4357 (Target_x86_64::Scan::global): Likewise.
4359 * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
4360 addend parameter. Change caller. Handle merge sections.
4361 (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
4362 Address to Addend. Don't add in the result of
4363 local_section_offset, pass down the addend and use the returned
4365 * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
4366 Update declarations of local_section_offset and symbol_value.
4367 * testsuite/two_file_test_1.cc (t18): New function.
4368 * testsuite/two_file_test_2.cc (f18): New function.
4369 * testsuite/two_file_test_main.cc (main): Call t18.
4370 * testsuite/two_file_test.h (t18, f18): Declare.
4372 * configure.ac: Don't test for objdump, c++filt, or readelf.
4373 * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
4375 (TEST_READELF): New variable.
4376 (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
4377 (check_PROGRAMS): Add two_file_strip_test.
4378 (two_file_strip_test): New target.
4379 (check_PROGRAMS): Add two_file_same_shared_strip_test.
4380 (two_file_same_shared_strip_test_SOURCES): New variable.
4381 (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
4382 (two_file_same_shared_strip_test_LDFLAGS): New variable.
4383 (two_file_same_shared_strip_test_LDADD): New variable.
4384 (two_file_shared_strip.so): New target.
4385 (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
4386 (ver_test_5.syms, ver_test_7.syms): Likewise.
4387 (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
4388 (strip_test_3.stdout): Use TEST_OBJDUMP.
4389 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
4391 2008-04-04 Cary Coutant <ccoutant@google.com>
4393 * symtab.h (Symbol::is_weak_undefined): New function.
4394 (Symbol::is_strong_undefined): New function.
4395 (Symbol::is_absolute): New function.
4396 (Symbol::needs_plt_entry): Exclude weak undefined symbols.
4397 (Symbol::needs_dynamic_reloc): Exclude weak undefined and
4399 * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
4400 (weak_undef_test): New target.
4401 * testsuite/Makefile.in: Rebuild.
4402 * testsuite/weak_undef_file1.cc: New file.
4403 * testsuite/weak_undef_file2.cc: New file.
4404 * testsuite/weak_undef_test.cc: New file.
4406 2008-04-03 Craig Silverstein <csilvers@google.com>
4408 * compressed_output.h (class Output_compressed_section): Use
4410 * compressed_output.cc (zlib_compress): Use unsigned buffers,
4412 (zlib_compressed_suffix): Removed.
4413 (Output_compressed_section::set_final_data_size): Use unsigned
4415 * testsuite/Makefile.am (flagstest_compress_debug_sections):
4416 Fix linker invocation.
4417 (flagstest_o_specialfile_and_compress_debug_sections):
4419 * testsuite/Makefile.in: Regenerated.
4421 2008-04-02 David S. Miller <davem@davemloft.net>
4423 * dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
4424 Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
4426 2008-04-02 Craig Silverstein <csilvers@google.com>
4430 2008-04-02 Ian Lance Taylor <iant@google.com>
4432 * fileread.cc (File_read::find_view): Add byteshift and vshifted
4433 parameters. Update for new key type to views_. Change all
4435 (File_read::read): Adjust for byteshift in returned view.
4436 (File_read::add_view): New function, broken out of
4438 (File_read::make_view): New function, broken out of
4440 (File_read::find_or_make_view): Add offset and aligned
4441 parameters. Rewrite accordingly. Change all callers.
4442 (File_read::get_view): Add offset and aligned parameters. Adjust
4443 for byteshift in return value.
4444 (File_read::get_lasting_view): Likewise.
4445 * fileread.h (class File_read): Update declarations.
4446 (class File_read::View): Add byteshift_ field. Add byteshift to
4447 constructor. Add byteshift method.
4448 * archive.h (Archive::clear_uncached_views): New function.
4449 (Archive::get_view): Add aligned parameter. Change all callers.
4450 * object.h (Object::get_view): Add aligned parameter. Change all
4452 (Object::get_lasting_view): Likewise.
4454 * fileread.cc (File_read::release): Don't call clear_views if
4455 there are multiple objects.
4456 * fileread.h (File_read::clear_uncached_views): New function.
4457 * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
4460 2008-03-31 Cary Coutant <ccoutant@google.com>
4462 Add thin archive support.
4463 * archive.cc (Archive::armagt): New const.
4464 (Archive::setup): Remove task parameter and calls to unlock.
4465 (Archive::unlock_nested_archives): New function.
4466 (Archive::read_header): Add nested_off parameter. Change
4468 (Archive::interpret_header): Likewise.
4469 (Archive::include_all_members): Change to handle thin
4471 (Archive::include_member): Likewise.
4472 * archive.h (Archive::Archive): Add new parameters and
4474 (Archive::armagt): New const.
4475 (Archive::setup): Remove task parameter.
4476 (Archive::unlock_nested_archives): New function.
4477 (Archive::read_header): Add nested_off parameter.
4478 (Archive::interpret_header): Likewise.
4479 (Archive::Nested_archive_table): New typedef.
4480 (Archive::is_thin_archive_): New field.
4481 (Archive::nested_archives_): New field.
4482 (Archive::options_): New field.
4483 (Archive::dirpath_): New field.
4484 (Archive::task_): New field.
4485 * readsyms.cc (Read_symbols::do_read_symbols): Add check
4486 for thin archives. Pass additional parameters to
4487 Archive::Archive. Unlock the archive file after calling
4490 2008-03-29 Ian Lance Taylor <iant@google.com>
4492 * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
4493 version symbol to be local.
4494 * testsuite/ver_test_4.sh: New file.
4495 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
4496 (check_DATA): Add ver_test_4.syms.
4497 (ver_test_4.syms): New target.
4498 * testsuite/Makefile.in: Rebuild.
4501 (Output_section::Input_section_sort_entry::has_priority): New
4503 (Output_section::Input_section_sort_entry::match_file_name): New
4505 (Output_section::Input_section_sort_entry::match_section_name):
4507 (Output_section::Input_section_sort_entry::match_section_name_prefix):
4509 (Output_section::Input_section_sort_entry::match_section_file):
4511 (Output_section::Input_section_sort_compare::operator()): Rewrite
4512 using new Input_section_sort_entry functions. Sort crtbegin and
4513 crtend first. Sort sections with no priority before sections with
4515 * testsuite/initpri1.c (d3): Check j != 4.
4516 (cd5): New constructor/destructor function.
4517 (main): Check j != 2.
4519 * symtab.cc (Symbol_table::add_from_object): If we don't use the
4520 new symbol when resolving, don't call set_is_default.
4521 * testsuite/ver_test_7.cc: New file.
4522 * testsuite/ver_test_7.sh: New file.
4523 * testsuite/Makefile.am (ver_test_7.so): New target.
4524 (ver_test_7.o): New target.
4525 (check_SCRIPTS): Add ver_test_7.sh.
4526 (check_DATA): Add ver_test_7.syms.
4527 (ver_test_7.syms): New target.
4529 2008-03-28 Ian Lance Taylor <iant@google.com>
4531 * layout.cc (Layout::layout): If we see an input section with a
4532 name that needs sorting, set the must_sort flag for the output
4534 (Layout::make_output_section): If the name of the output section
4535 indicates that it might require sorting, set the may_sort flag.
4536 * output.h (Output_section::may_sort_attached_input_sections): New
4538 (Output_section::set_may_sort_attached_input_sections): New
4540 (Output_section::must_sort_attached_input_sections): New
4542 (Output_section::set_must_sort_attached_input_sections): New
4544 (class Output_section): Declare Input_section_sort_entry. Define
4545 Input_section_sort_compare. Declare
4546 sort_attached_input_sections. Add new fields:
4547 may_sort_attached_input_sections_,
4548 must_sort_attached_input_sections_,
4549 attached_input_sections_are_sorted_.
4550 * output.cc (Output_section::Output_section): Initialize new
4552 (Output_section::add_input_section): Add an entry to
4553 input_sections_ if may_sort or must_sort are true.
4554 (Output_section::set_final_data_size): Call
4555 sort_attached_input_sections if necessary.
4556 (Output_section::Input_section_sort_entry): Define new class.
4557 (Output_section::Input_section_sort_compare::operator()): New
4559 (Output_section::sort_attached_input_sections): New function.
4560 * configure.ac: Check whether the compiler supports constructor
4561 priorities. Define a CONSTRUCTOR_PRIORITY automake conditional.
4562 * testsuite/initpri1.c: New file.
4563 * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
4564 CONSTRUCTOR_PRIORITY.
4565 (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
4566 (initpri1_LDFLAGS): New variable.
4567 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
4569 2008-03-27 Ian Lance Taylor <iant@google.com>
4571 * common.cc (Sort_commons::operator): Correct sorting algorithm.
4572 * testsuite/common_test_1.c: New file.
4573 * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
4574 (common_test_1_SOURCES): New variable.
4575 (common_test_1_DEPENDENCIES): New variable.
4576 (common_test_1_LDFLAGS): New variable.
4578 * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
4579 and commons_ correctly when NAME/VERSION does not override
4581 * testsuite/ver_test_6.c: New file.
4582 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
4583 (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
4584 (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
4586 2008-03-26 Ian Lance Taylor <iant@google.com>
4588 * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
4589 of an undefined symbol from a version script.
4590 * testsuite/Makefile.am (ver_test_5.so): New target.
4591 (ver_test_5.o): New target.
4592 (check_SCRIPTS): Add ver_test_5.sh.
4593 (check_DATA): Add ver_test_5.syms.
4594 (ver_test_5.syms): New target.
4595 * testsuite/ver_test_5.cc: New file.
4596 * testsuite/ver_test_5.script: New file.
4597 * testsuite/ver_test_5.sh: New file.
4598 * Makefile.in, testsuite/Makefile.in: Rebuild.
4601 Fix problems building gold with gcc 4.3.0.
4602 * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
4603 (gold_error_at_location, gold_warning_at_location): Use it.
4604 * configure.ac: Check whether we can compile and use a template
4605 function with a printf attribute.
4606 * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
4607 when jumping over bytes.
4608 * object.cc: Instantiate Object::read_section_data.
4609 * debug.h: Include <cstring>
4610 * dwarf_reader.cc: Include <algorithm>
4611 * main.cc: Include <cstring>.
4612 * options.cc: Include <cstring>.
4613 * output.cc: Include <cstring>.
4614 * script.cc: Include <cstring>.
4615 * script.h: Include <string>.
4616 * symtab.cc: Include <cstring> and <algorithm>.
4617 * target-select.cc: Include <cstring>.
4618 * version.cc: Include <string>.
4619 * testsuite/testmain.cc: Include <cstdlib>.
4620 * configure, config.in: Rebuild.
4622 2008-03-25 Ian Lance Taylor <iant@google.com>
4624 * options.cc: Include "../bfd/bfdver.h".
4625 (options::help): Print bug reporting address.
4627 * version.cc (print_version): Adjust output for current value of
4632 * options.cc (options::help): Print list of supported targets.
4633 * target-select.h: Include <vector>.
4634 (class Target_selector): Make machine_, size_, and is_big_endian_
4635 fields const. Add bfd_name_ and instantiated_target_ fields.
4636 (Target_selector::Target_selector): Add bfd_name parameter.
4637 (Target_selector::recognize): Make non-virtual, call
4639 (Target_selector::recognize_by_name): Make non-virtual, call
4640 do_recognize_by_name.
4641 (Target_selector::supported_names): New function.
4642 (Target_selector::bfd_name): New function.
4643 (Target_selector::do_instantiate_target): New pure virtual
4645 (Target_selector::do_recognize): New virtual function.
4646 (Target_selector::do_recognize_by_name): New virtual function.
4647 (Target_selector::instantiate_target): New private function.
4648 (supported_target_names): Declare.
4649 * target-select.cc (Target_selector::Target_selector): Update for
4650 new parameter and fields.
4651 (select_target_by_name): Check that the name matches before
4652 calling recognize_by_name.
4653 (supported_target_names): New function.
4654 * i386.cc (class Target_selector_i386): Update Target_selector
4655 constructor call. Remove recognize and recognize_by_name. Add
4656 do_instantiate_target.
4657 * x86_64.cc (class Target_selector_x86_64): Likewise.
4658 * testsuite/testfile.cc (class Target_selector_test): Update for
4659 changes to Target_selector.
4661 * README: Rewrite, with some notes on unsupported features.
4663 2008-03-24 Cary Coutant <ccoutant@google.com>
4665 * i386.cc (Target_i386::Got_type): New enum declaration.
4666 (Target_i386::Scan::local): Updated callers of Output_data_got
4668 (Target_i386::Scan::global): Likewise.
4669 (Target_i386::Relocate::relocate): Likewise.
4670 (Target_i386::Relocate::relocate_tls): Likewise.
4671 * object.h (Got_offset_list): New class.
4672 (Sized_relobj::local_has_got_offset): Added got_type parameter.
4673 (Sized_relobj::local_got_offset): Likewise.
4674 (Sized_relobj::set_local_got_offset): Likewise.
4675 (Sized_relobj::local_has_tls_got_offset): Removed.
4676 (Sized_relobj::local_tls_got_offset): Removed.
4677 (Sized_relobj::set_local_tls_got_offset): Removed.
4678 (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
4679 * output.cc (Output_data_got::add_global): Added got_type parameter.
4680 (Output_data_got::add_global_with_rel): Likewise.
4681 (Output_data_got::add_global_with_rela): Likewise.
4682 (Output_data_got::add_global_pair_with_rel): New function.
4683 (Output_data_got::add_global_pair_with_rela): New function.
4684 (Output_data_got::add_local): Added got_type parameter.
4685 (Output_data_got::add_local_with_rel): Likewise.
4686 (Output_data_got::add_local_with_rela): Likewise.
4687 (Output_data_got::add_local_pair_with_rel): New function.
4688 (Output_data_got::add_local_pair_with_rela): New function.
4689 (Output_data_got::add_global_tls): Removed.
4690 (Output_data_got::add_global_tls_with_rel): Removed.
4691 (Output_data_got::add_global_tls_with_rela): Removed.
4692 (Output_data_got::add_local_tls): Removed.
4693 (Output_data_got::add_local_tls_with_rel): Removed.
4694 (Output_data_got::add_local_tls_with_rela): Removed.
4695 * output.h (Output_data_got::add_global): Added got_type parameter.
4696 (Output_data_got::add_global_with_rel): Likewise.
4697 (Output_data_got::add_global_with_rela): Likewise.
4698 (Output_data_got::add_global_pair_with_rel): New function.
4699 (Output_data_got::add_global_pair_with_rela): New function.
4700 (Output_data_got::add_local): Added got_type parameter.
4701 (Output_data_got::add_local_with_rel): Likewise.
4702 (Output_data_got::add_local_with_rela): Likewise.
4703 (Output_data_got::add_local_pair_with_rel): New function.
4704 (Output_data_got::add_local_pair_with_rela): New function.
4705 (Output_data_got::add_global_tls): Removed.
4706 (Output_data_got::add_global_tls_with_rel): Removed.
4707 (Output_data_got::add_global_tls_with_rela): Removed.
4708 (Output_data_got::add_local_tls): Removed.
4709 (Output_data_got::add_local_tls_with_rel): Removed.
4710 (Output_data_got::add_local_tls_with_rela): Removed.
4711 * resolve.cc (Symbol::override_base_with_special): Removed
4712 reference to has_got_offset_ field.
4713 * symtab.cc (Symbol::init_fields): Replaced initialization
4714 of got_offset_ with got_offsets_. Removed initialization
4716 * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
4717 (Symbol::got_offset): Likewise.
4718 (Symbol::set_got_offset): Likewise.
4719 (Symbol::has_tls_got_offset): Removed.
4720 (Symbol::tls_got_offset): Removed.
4721 (Symbol::set_tls_got_offset): Removed.
4722 (Symbol::got_offset_): Removed.
4723 (Symbol::tls_mod_got_offset_): Removed.
4724 (Symbol::tls_pair_got_offset_): Removed.
4725 (Symbol::got_offsets_): New field.
4726 (Symbol::has_got_offset): Removed.
4727 (Symbol::has_tls_mod_got_offset): Removed.
4728 (Symbol::has_tls_pair_got_offset): Removed.
4729 * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
4730 (Target_x86_64::Scan::local): Updated callers of Output_data_got
4732 (Target_x86_64::Scan::global): Likewise.
4733 (Target_x86_64::Relocate::relocate): Likewise.
4734 (Target_x86_64::Relocate::relocate_tls): Likewise.
4736 2008-03-25 Ben Elliston <bje@au.ibm.com>
4738 * yyscript.y: Fix spelling error in comment.
4740 2008-03-24 Ian Lance Taylor <iant@google.com>
4742 * options.h (class General_options): Define build_id option.
4743 * layout.h (class Layout): Declare write_build_id, create_note,
4744 create_build_id. Add build_id_note_ member.
4745 * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
4746 "libiberty.h", "md5.h", "sha1.h".
4747 (Layout::Layout): Initialize eh_frame_data_,
4748 eh_frame_hdr_section_, and build_id_note_.
4749 (Layout::finalize): Call create_build_id.
4750 (Layout::create_note): New function, broken out of
4751 Layout::create_gold_note.
4752 (Layout::create_gold_note): Call create_note.
4753 (Layout::create_build_id): New function.
4754 (Layout::write_build_id): New function.
4755 (Close_task_runner::run): Call write_build_id.
4757 * x86_64.cc: Correct license to GPLv3.
4759 2008-03-23 Ian Lance Taylor <iant@google.com>
4761 * options.cc: Include "demangle.h".
4762 (parse_optional_string): New function.
4763 (parse_long_option): Handle takes_optional_argument.
4764 (parse_short_option): Update dash_z initializer. Handle
4765 takes_optional_argument.
4766 (General_options::General_options): Initialize do_demangle_.
4767 (General_options::finalize): Set do_demangle_. Handle demangling
4769 * options.h (parse_optional_string): Declare.
4770 (struct One_option): Add optional_arg field. Update constructor.
4771 Update call constructor calls. Add takes_optional_argument
4773 (DEFINE_var): Add optional_arg__ parameter. Change all callers.
4774 (DEFINE_optional_string): Define.
4775 (General_options::demangle): Change from DEFINE_bool to
4776 DEFINE_optional_string.
4777 (General_options::no_demangle): New function.
4778 (General_options::do_demangle): New function.
4779 (General_options::set_do_demangle): New function.
4780 (General_options::execstack_status_): Move definition to end of
4782 (General_options::static_): Likewise.
4783 (General_options::do_demangle_): New field.
4784 * object.cc (big_endian>::get_symbol_location_info): Call
4785 Options::do_demangle, not Options::demangle.
4786 * symtab.cc (demangle): Likewise.
4788 2008-03-22 Ian Lance Taylor <iant@google.com>
4790 * gold.h: Include <cstddef> and <sys/types.h>
4791 * options.h: Include <cstring>.
4793 2008-03-21 Ian Lance Taylor <iant@google.com>
4795 * Added source code to GNU binutils.