1 2009-10-13 Ian Lance Taylor <iant@google.com>
4 * options.h (class General_options): Add -pie and
6 (General_options::output_is_position_independent): Test -pie.
7 (General_options::output_is_executable): Return true if not shared
9 (General_options::output_is_pie): Remove.
10 * options.cc (General_options::finalize): Reject incompatible uses
12 * gold.cc (queue_middle_tasks): A -pie link is not static.
13 * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
14 * symtab.cc (Symbol::final_value_is_known): Return false if
15 output_is_position_independent.
16 * layout.cc (Layout::set_segment_offsets): Start at address 0 if
17 output_is_position_independent.
18 * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
19 output_is_position_independent.
20 * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
21 output_is_position_independent.
22 * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
24 (basic_pie_test.o, basic_pie_test): New targets.
25 (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
26 (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
27 (two_file_pie_test): New target.
28 * testsuite/Makefile.in: Rebuild.
29 * README: Remove note saying that -pie is not supported.
31 2009-10-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
33 * options.h (class General_options): Add -init and -fini.
34 * layout.cc (Layout::finish_dynamic_section): Emit
35 given init and fini functions.
37 2009-10-13 Sriraman Tallam <tmsriram@google.com>
39 * gc.h (gc_process_relocs): Check if icf is enabled using new
41 * gold.cc (queue_initial_tasks): Likewise.
42 (queue_middle_tasks): Likewise.
43 * object.cc (do_layout): Likewise.
44 * symtab.cc (is_section_folded): Likewise.
45 * main.cc (main): Likewise.
46 * reloc.cc (Read_relocs::run): Likewise.
47 (Sized_relobj::do_scan_relocs): Likewise.
48 * icf.cc (is_function_ctor_or_dtor): New function.
49 (Icf::find_identical_sections): Check if function is ctor or dtor when
51 * options.h (General_options::icf): Change option to be an enum.
52 (Icf_status): New enum.
53 (icf_enabled): New method.
54 (icf_safe_folding): New method.
55 (set_icf_status): New method.
56 (icf_status_): New variable.
57 * (options.cc) (General_options::finalize): Set icf_status_.
58 * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
59 icf_test and icf_keep_unique_test to use the --icf enum flag.
60 * testsuite/icf_safe_test.sh: New file.
61 * testsuite/icf_safe_test.cc: New file.
63 2009-10-12 Sriraman Tallam <tmsriram@google.com>
65 * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
66 includes to gc.h and icf.h.
67 * arm.cc: Include gc.h.
70 * powerpc.cc: Likewise.
72 * x86_64.cc: Likewise.
73 * gc.h: Include icf.h.
75 2009-10-11 Ian Lance Taylor <iant@google.com>
77 * plugin.cc: Include "gold.h" before other header files.
79 2009-10-10 Chris Demetriou <cgd@google.com>
81 * options.h (Input_file_argument::Input_file_type): New enum.
82 (Input_file_argument::is_lib_): Replace with...
83 (Input_file_argument::type_): New member.
84 (Input_file_argument::Input_file_argument): Take Input_file_type
85 'type' rather than boolean 'is_lib' as second argument.
86 (Input_file_argument::is_lib): Use type_.
87 (Input_file_argument::is_searched_file): New function.
88 (Input_file_argument::may_need_search): Handle is_searched_file.
89 * options.cc (General_options::parse_library): Support -l:filename.
90 (General_options::parse_just_symbols): Update for Input_file_argument
92 (Command_line::process): Likewise.
93 * archive.cc (Archive::get_file_and_offset): Likewise.
94 * plugin.cc (Plugin_manager::release_input_file): Likewise.
95 * script.cc (read_script_file, script_add_file): Likewise.
96 * fileread.cc (Input_file::Input_file): Likewise.
97 (Input_file::will_search_for): Handle is_searched_file.
98 (Input_file::open): Likewise.
99 * readsyms.cc (Read_symbols::get_name): Likewise.
100 * testsuite/Makefile.am (searched_file_test): New test.
101 * testsuite/Makefile.in: Regenerate.
102 * testsuite/searched_file_test.cc: New file.
103 * testsuite/searched_file_test_lib.cc: New file.
105 2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
106 Ian Lance Taylor <iant@google.com>
108 * descriptor.cc: Include <cstdio> and "binary-io.h".
109 (Descriptors::open): Open the files in binary mode always.
110 * script.cc (Lex::get_token): Treat \r as whitespace.
112 2009-10-09 Ian Lance Taylor <iant@google.com>
114 * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
116 2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
117 Ian Lance Taylor <iant@google.com>
119 * configure.ac: Check for readv function also.
120 * fileread.cc (readv): Define if not HAVE_READV.
121 * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
123 * config.in: Regenerate.
124 * configure: Regenerate.
126 2009-10-09 Doug Kwan <dougkwan@google.com>
128 * layout.cc (Layout::make_output_section): Call target hook to make
129 ordinary output section.
130 (Layout::finalize): Adjust parameter list of call the
132 * layout.h (class Layout::section_list): New method.
133 * merge.h (Output_merge_base::entsize): Change visibility to public.
134 (Output_merge_base::is_string, Output_merge_base::do_is_string):
136 (Output_merge_string::do_is_string): New method.
137 * object.cc (Sized_relobj::do_setup): renamed from
138 Sized_relobj::set_up.
139 * object.h (Sized_relobj::adjust_shndx,
140 Sized_relobj::initializ_input_to_output_maps,
141 Sized_relobj::free_input_to_output_maps): Change visibilities to
143 (Sized_relobj::setup): Virtualize.
144 (Sized_relobj::do_setup): New method declaration.
145 (Sized_relobj::invalidate_section_offset,
146 Sized_relobj::do_invalidate_section_offset): New method decfinitions.
147 (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
148 * options.cc (parse_int): New function.
149 * options.h (parse_int): New declaration.
150 (DEFINE_int): New macro.
151 (stub_group_size): New option.
152 * output.cc (Output_section::Output_section): Initialize memebers
153 merge_section_map_, merge_section_by_properties_map_,
154 relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
155 (Output_section::add_input_section): Handled deferred code-fill
156 generation and remove an old comment.
157 (Output_section::add_relaxed_input_section): New method definition.
158 (Output_section::add_merge_input_section): Use merge section by
159 properties map to speed to search. Update merge section maps
161 (Output_section::build_relaxation_map): New method definition.
162 (Output_section::convert_input_sections_in_list_to_relaxed_sections):
164 (Output_section::relax_input_section): Renamed to
165 Output_section::convert_input_sections_to_relaxed_sections and change
166 interface to take a vector of pointers to relaxed sections.
167 (Output_section::find_merge_section,
168 Output_section::find_relaxed_input_section): New method definitions.
169 (Output_section::is_input_address_mapped,
170 Output_section::output_offset, Output_section::output_address):
171 Use output section data maps to speed up searching.
172 (Output_section::find_starting_output_address): Add comments.
173 (Output_section::do_write,
174 Output_section::write_to_postprocessing_buffer): Do code-fill
175 generation as appropriate.
176 (Output_section::get_input_sections): Invalidate relaxed input section
178 (Output_section::restore_states): Adjust type of checkpoint .
179 Invalidate relaxed input section map.
180 * output.h (Output_merge_base): New class declaration.
181 (Input_section_specifier): New class defintion.
182 (class Output_relaxed_input_section) Change base class to
183 Output_section_data_build.
184 (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
185 base class initializer.
186 (Output_section::add_relaxed_input_section): New method declaration.
187 (Output_section::Input_section): Change visibility to protected.
188 (Output_section::Input_section::relobj,
189 Output_section::Input_section::shndx): Handle relaxed input sections.
190 Output_section::input_sections) Change visibility to protected. Also
191 define overload to return a non-const pointer.
192 (Output_section::Merge_section_properties): New class defintion.
193 (Output_section::Merge_section_by_properties_map,
194 Output_section::Output_section_data_by_input_section_map,
195 Output_section::Relaxation_map): New types.
196 (Output_section::relax_input_section): Rename method to
197 Output_section::convert_input_sections_to_relaxed_sections and change
198 interface to take a vector of relaxed section pointers.
199 (Output_section::find_merge_section,
200 Output_section::find_relaxed_input_section,
201 Output_section::build_relaxation_map,
202 Output_section::convert_input_sections_in_list_to_relaxed_sections):
203 New method declarations.
204 (Output_section::merge_section_map_
205 Output_section::merge_section_by_properties_map_,
206 Output_section::relaxed_input_section_map_,
207 Output_section::is_relaxed_input_section_map_valid_,
208 Output_section::generate_code_fills_at_write_): New data members.
210 (Output_section_element_input::set_section_addresses): Call
211 current_data_size and addralign methods of relaxed input sections.
212 (Orphan_output_section::set_section_addresses): Call current_data_size
213 and addralign methods of relaxed input sections.
214 * symtab.cc (Symbol_table::compute_final_value): Extract template
215 from the body of Symbol_table::sized_finalize_symbol.
216 (Symbol_table::sized_finalized_symbol): Call
217 Symbol_table::compute_final_value.
218 * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
219 (Symbol_table::compute_final_value): New templated method declaration.
220 * target.cc (Target::do_make_output_section): New method defintion.
221 * target.h (Target::make_output_section): New method declaration.
222 (Target::relax): Add more parameters for input objects, symbol table
223 and layout. Adjust call to do_relax.
224 (Target::do_make_output_section): New method declaration.
225 (Target::do_relax): Add parameters for input objects, symbol table
228 2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
230 * pread.c: Include stdio.h.
232 2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
234 * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
237 2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
239 * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
240 Change read_shndx type to unsigned int.
241 (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
243 (Sized_dwarf_line_info::read_line_mappings): Likewise.
244 * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
245 Change read_shndx type to unsigned int.
246 (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
248 (Sized_dwarf_line_info::read_line_mappings): Likewise.
249 * layout.cc (Layout::create_symtab_sections): Cast the result of
250 local_symcount * symsize to off_t in the gold_assert.
252 2009-10-09 Viktor Kutuzov <vkutuzov@accesssoftek.com>
254 * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
255 R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
257 (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
258 (Arm_relocate_functions::thm_abs5): New function.
259 (Arm_relocate_functions::abs12): New function.
260 (Arm_relocate_functions::abs16): New function.
261 (Arm_relocate_functions::base_abs): New function.
262 (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
263 (Scan::local): Remove special handling of R_ARM_ABS8. Handle
264 R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
266 (Scan::global): Likewise.
267 (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
268 R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
269 (Relocatable_size_for_reloc::get_size_for_reloc): Handle
270 R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
273 2009-10-09 Viktor Kutuzov <vkutuzov@accesssoftek.com>
275 * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
276 (Arm_relocate_functions::movt_prel): New function.
277 (Arm_relocate_functions::thm_movw_prel_nc): New function.
278 (Arm_relocate_functions::thm_movt_prel): New function.
279 (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
280 R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
281 (Scan::global, Relocate::relocate): Likewise.
282 (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
284 2009-10-09 Mikolaj Zalewski <mikolajz@google.com>
286 * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
288 * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
290 (class Incremental_inputs_header): New class.
291 (Incremental_inputs_header_writer): Edit comment.
292 (Incremental_inputs_entry): New class.
293 (Incremental_inputs_entry_writer): Edit comment.
294 (Sized_incremental_binary::do_find_incremental_inputs_section):
295 Add *strtab_shndx parameter, fill it.
296 (Sized_incremental_binary::do_check_inputs): New method.
297 (Incremental_checker::can_incrementally_link_output_file): Use
298 Sized_incremental_binary::check_inputs.
299 (Incremental_inputs::report_command_line): Save command line in
302 (Incremental_binary::find_incremental_inputs_section): New
304 (Incremental_binary::do_find_incremental_inputs_section): Add
305 strtab_shndx parameter.
306 (Incremental_binary::do_check_inputs): New pure virtual method.
307 (Sized_incremental_binary::do_check_inputs): Declare.
308 (Incremental_checker::Incremental_checker): Add incremental_inputs
309 parameter, use it to initialize incremental_inputs_.
310 (Incremental_checker::incremental_inputs_): New field.
311 (Incremental_checker::command_line): New method.
312 (Incremental_checker::inputs): New method.
313 (Incremental_checker::command_line_): New field.
315 2009-10-09 Mikolaj Zalewski <mikolajz@google.com>
317 * incremental.cc: Include <cstdarg> and "target-select.h".
318 (vexplain_no_incremental): New function.
319 (explain_no_incremental): New function.
320 (Incremental_binary::error): New method.
321 (Sized_incremental_binary::do_find_incremental_inputs_section): New
323 (make_sized_incremental_binary): New function.
324 (open_incremental_binary): New function.
325 (can_incrementally_link_file): Add checks if output is ELF and has
327 * incremental.h: Include "elfcpp_file.h" and "output.h".
328 (Incremental_binary): New class.
329 (Sized_incremental_binary): New class.
330 (open_incremental_binary): Declare.
331 * object.cc (is_elf_object): Use
332 elfcpp::Elf_recognizer::is_elf_file.
333 (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
334 * output.h (Output_file::filesize): New method.
336 2009-10-07 Viktor Kutuzov <vkutuzov@accesssoftek.com>
338 * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
340 (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
341 (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
343 (Arm_relocate_functions::insert_val_thumb_movw_movt): New
345 (Arm_relocate_functions::movw_abs_nc): New function.
346 (Arm_relocate_functions::movt_abs): New function.
347 (Arm_relocate_functions::thm_movw_abs_nc): New function.
348 (Arm_relocate_functions::thm_movt_abs): New function.
349 (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
350 R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
351 (Scan::global): Likewise.
352 (Relocate::relocate): Likewise.
353 (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
355 2009-10-07 Viktor Kutuzov <vkutuzov@accesssoftek.com>
357 * arm.cc (Arm_relocate_functions::got_prel) New function.
358 (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
359 (Relocate::relocate): Likewise.
360 (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
362 2009-10-06 Ian Lance Taylor <iant@google.com>
364 * options.h (class General_options): Define
365 split_stack_adjust_size parameter.
366 * object.h (class Object): Add uses_split_stack_ and
367 has_no_split_stack_ fields. Add uses_split_stack and
368 has_no_split_stack accessor functions. Declare
369 handle_split_stack_section.
370 (class Reloc_symbol_changes): Define.
371 (class Sized_relobj): Define Function_offsets. Declare
372 split_stack_adjust, split_stack_adjust_reltype, and
374 * object.cc (Object::handle_split_stack_section): New function.
375 (Sized_relobj::do_layout): Call handle_split_stack_section.
376 * dynobj.cc (Sized_dynobj::do_layout): Call
377 handle_split_stack_section.
378 * reloc.cc (Sized_relobj::relocate_sections): Call
379 split_stack_adjust for executable sections in split_stack
380 objects. Pass reloc_map to relocate_section.
381 (Sized_relobj::split_stack_adjust): New function.
382 (Sized_relobj::split_stack_adjust_reltype): New function.
383 (Sized_relobj::find_functions): New function.
384 * target-reloc.h: Include "object.h".
385 (relocate_section): Add reloc_symbol_changes parameter. Change
387 * target.h (class Target): Add calls_non_split method. Declare
388 do_calls_non_split virtual method. Declare match_view and
390 * target.cc: Include "elfcpp.h".
391 (Target::do_calls_non_split): New function.
392 (Target::match_view): New function.
393 (Target::set_view_to_nop): New function.
394 * gold.cc (queue_middle_tasks): Give an error if mixing
395 split-stack and non-split-stack objects with -r.
396 * i386.cc (Target_i386::relocate_section): Add
397 reloc_symbol_changes parameter.
398 (Target_i386::do_calls_non_split): New function.
399 * x86_64.cc (Target_x86_64::relocate_section): Add
400 reloc_symbol_changes parameter.
401 (Target_x86_64::do_calls_non_split): New function.
402 * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
404 * powerpc.cc (Target_powerpc::relocate_section): Add
405 reloc_symbol_changes parameter.
406 * sparc.cc (Target_sparc::relocate_section): Add
407 reloc_symbol_changes parameter.
408 * configure.ac: Call AM_CONDITIONAL for the default target.
409 * configure: Rebuild.
410 * testsuite/Makefile.am (TEST_AS): New variable.
411 (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
412 (check_DATA): Add split_i386 and split_x86_64 files.
413 (SPLIT_DEFSYMS): Define.
414 (split_i386_[1234n].o): New targets.
415 (split_i386_[124]): New targets.
416 (split_i386_[1234r].stdout): New targets.
417 (split_x86_64_[1234n].o): New targets.
418 (split_x86_64_[124]): New targets.
419 (split_x86_64_[1234r].stdout): New targets.
420 (MOSTLYCLEANFILES): Add new executables.
421 * testsuite/split_i386.sh: New file.
422 * testsuite/split_x86_64.sh: New file.
423 * testsuite/split_i386_1.s: New file.
424 * testsuite/split_i386_2.s: New file.
425 * testsuite/split_i386_3.s: New file.
426 * testsuite/split_i386_4.s: New file.
427 * testsuite/split_i386_n.s: New file.
428 * testsuite/split_x86_64_1.s: New file.
429 * testsuite/split_x86_64_2.s: New file.
430 * testsuite/split_x86_64_3.s: New file.
431 * testsuite/split_x86_64_4.s: New file.
432 * testsuite/split_x86_64_n.s: New file.
433 * testsuite/testfile.cc (Target_test): Update relocation_section
435 * testsuite/Makefile.in: Rebuild.
437 2009-10-06 Ian Lance Taylor <iant@google.com>
439 * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
440 (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
441 changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE. When
442 handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
443 the address on ldo_addrs_.
444 (Target_i386::Relocate::fix_up_ldo): New function.
446 2009-10-06 Rafael Espindola <espindola@google.com>
448 * plugin.cc (add_input_library): New.
449 (Plugin::load): Add add_input_library to tv.
450 (Plugin_manager::add_input_file): Add the is_lib argument.
451 (add_input_file): Update call to Plugin_manager::add_input_file.
452 (add_input_library): New.
453 * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
455 2009-09-30 Doug Kwan <dougkwan@google.com>
457 * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
458 symbol and call Symbol::may_need_copy_reloc to determine if
459 a copy reloc is needed.
460 * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
461 nocopyreloc is given in command line.
462 (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
463 given in command line.
464 * i386.cc (Target_i386::may_need_copy_reloc): Remove.
465 (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
466 of the removed Target_i386::may_need_copy_reloc.
467 * options.h (copyreloc): New option with default value false.
468 * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
469 (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
470 instead of the removed Target_powerpc::may_need_copy_reloc.
471 * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
472 (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
473 instead of the removed Target_sparc::may_need_copy_reloc.
474 * symtab.h (Symbol::may_need_copy_reloc): New method definition.
475 * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
476 (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
477 instead of the removed Target_x86_64::may_need_copy_reloc.
479 2009-09-30 Ian Lance Taylor <iant@google.com>
481 * object.h (class Object): Remove target_ field, and target,
482 sized_target, and set_target methods.
483 (Object::sized_target): Remove.
484 (class Sized_relobj): Update declarations. Remove sized_target.
485 * object.cc (Sized_relobj::setup): Remove target parameter.
487 (Input_objects::add_object): Don't do anything with the target.
488 (make_elf_sized_object): Add punconfigured parameter. Change all
489 callers. Set or test parameter target.
490 * dynobj.cc (Sized_dynobj::target): Remove target parameter.
492 * parameters.cc (Parameters::set_target): Change parameter type to
494 (Parameters::default_target): Remove.
495 (set_parameters_target): Change parameter type to be non-const.
496 (parameters_force_valid_target): New function.
497 (parameters_clear_target): New function.
498 * parameters.h (class Parameters): Update declarations. Remove
499 default_target method. Add sized_target and clear_target
500 methods. Change target_ to be non-const.
501 (set_parameters_target): Update declaration.
502 (parameters_force_valid_target): Declare.
503 (parameters_clear_target): Declare.
504 * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
505 as NULL if we aren't searching.
506 (Add_symbols::run): Don't check for compatible target.
507 * fileread.cc (Input_file::open_binary): Call
508 parameters_force_valid_target.
509 * gold.cc (queue_middle_tasks): Likewise.
510 * plugin.cc (make_sized_plugin_object): Likewise. Don't call
511 set_target on object.
512 * dynobj.h (class Sized_dynobj): Update declarations.
513 * archive.cc (Archive::get_elf_object_for_member): Return NULL if
514 make_elf_object returns NULL.
515 (Archive::include_member): Don't check whether object target is
517 * output.cc (Output_section::add_input_section): Get target from
519 (Output_section::relax_input_section): Likewise.
520 * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
522 (Sized_relobj::do_scan_relocs): Likewise.
523 (Sized_relobj::relocate_sections): Likewise.
524 * resolve.cc (Symbol_table::resolve): Likewise.
525 * symtab.cc (Symbol_table::wrap_symbol): Likewise. Remove object
526 parameter. Change all callers.
527 (Symbol_table::add_from_object): Get target from parameters.
528 (Symbol_table::add_from_relobj): Don't check object target.
529 (Symbol_table::add_from_dynobj): Likewise.
530 (Symbol_table::define_special_symbol): Get target from
532 * symtab.h (class Symbol_table): Update declaration.
533 * testsuite/binary_unittest.cc (gold_testsuite): Remove target
534 parameter. Change all callers. Clear parameter target.
535 (Binary_test): Test target here.
536 * testsuite/object_unittest.cc (gold_testsuite): Remove
537 target_test_pointer parameter. Change all callers.
538 (Object_test): Test target here.
540 2009-09-26 Ian Lance Taylor <iant@google.com>
542 * testsuite/initpri1.c: Don't try to use constructor priorities if
543 compiling with gcc before 4.3.
545 2009-09-22 Mikolaj Zalewski <mikolajz@google.com>
547 * testsuite/retain_symbols_file_test.sh (check_present): Change
548 output file name to retain_symbols_file_test.stdout.
549 (check_absent): Likewise.
551 2009-09-18 Craig Silverstein <csilvers@google.com>
553 * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
554 * options.cc: Include <cerrno> and <fstream>.
555 (General_options::finalize): Parse -retain-symbols-file tag.
556 * options.h: New flag.
557 (General_options): New method should_retain_symbol, new
558 variable symbols_to_retain.
559 * symtab.cc (Symbol_table::sized_finalize_symbol): Test
560 should_retain_symbol map.
561 * testsuite/Makefile.am (retain_symbols_file_test): New test.
562 * testsuite/Makefile.in: Regenerate.
563 * testsuite/retain_symbols_file_test.sh: New file.
565 2009-09-18 Nick Clifton <nickc@redhat.com>
567 * po/es.po: Updated Spanish translation.
569 2009-09-17 Doug Kwan <dougkwan@google.com>
571 * debug.h (DEBUG_RELAXATION): New constant.
572 (DEBUG_ALL): Add DEBUG_RELAXATION.
573 (debug_string_to_enum): Add relaxation debug option.
575 (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
576 Layout::Relaxation_debug_check::read_sections,
577 Layout::Relaxation_debug_check::read_sections): New method definitions.
578 (Layout::Layout): Initialize data members
579 record_output_section_data_from_scrips_,
580 script_output_section_data_list_ and relaxation_debug_check_.
581 (Layout::save_segments, Layout::restore_segments,
582 Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
583 Layout::relaxation_loop_body): New method definitions.
584 (Layout::finalize): Support relaxation. Move section layout code to
585 Layout::relaxation_loop_body.
586 (Layout::set_asection_address_from_script): Move code for orphan
587 section placement out.
588 (Layout::place_orphan_sections_in_script): New method definition.
589 * layout.h (Output_segment_headers, Output_file_header):
590 New forward class declarations.
591 (Layout::~Layout): Define.
592 (Layout::new_output_section_data_from_script): New method definition.
593 (Layout::place_orphan_sections_in_script): New method declaration.
594 (Layout::Segment_states): New type declaration.
595 (Layout::save_segments, Layout::restore_segments,
596 Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
597 Layout::relaxation_loop_body): New method declarations.
598 (Layout::Output_section_data_list): New type declaration.
599 (Layout::Relaxation_debug_check): New class definition.
600 (Layout::record_output_section_data_from_script_,
601 Layout::script_output_section_data_list_, Layout::segment_states_,
602 Layout::relaxation_debug_check_): New data members.
603 * output.cc: (Output_section_headers::do_size): New method definition.
604 (Output_section_headers::Output_section_headers): Move size
605 computation to Output_section_headers::do_size.
606 (Output_segment_headers::do_size): New method definition.
607 (Output_file_header::Output_file_header): Move size computation to
608 Output_file_header::do_size and call it.
609 (Output_file_header::do_size): New method definition.
610 (Output_data_group::Output_data_group): Adjust call to
612 (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
613 (Output_symtab_xindex::do_write): Add array bound check.
614 (Output_section::Input_section::print_to_mapfile): Handle
615 RELAXED_INPUT_SECTION_CODE.
616 (Output_section::Output_section): Initialize data member checkpoint_.
617 (Output_section::~Output_section): Delete checkpoint object pointed
619 (Output_section::add_input_section): Always add an Input_section if
621 (Output_section::add_merge_input_section): Add assert.
622 (Output_section::relax_input_section): New method definition.
623 (Output_section::set_final_data_size): Set load address to zero for
624 an unallocated section.
625 (Output_section::do_address_and_file_offset_have_reset_values):
626 New method definition.
627 (Output_section::Input_section_sort_enty::Input_section_sort_enty):
628 Handle relaxed input section.
629 (Output_section::sort_attached_input_sections): Checkpoint input
631 (Output_section::get_input_sections): Change type of input_sections to
632 list of Simple_input_section pointers. Checkpoint input section list
633 lazily. Also handle relaxed input sections.
634 (Output_section::add_input_section_for_script): Take a reference to
635 a Simple_input_section object instead of Relobj pointer and section
636 index as parameter. Handle relaxed input sections.
637 (Output_section::save_states, Output_section::restore_states): New
639 * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
640 (Output_data::is_data_size_fixed): New method definition.
641 (Output_data::reset_addresss_and_file_offset): Do not reset data size
643 (Output_data::address_and_file_offset_have_reset_values): New method
645 (Output_data::do_address_and_file_offset_have_reset_values): New method
647 (Output_data::set_data_size): Check that data size is not fixed.
648 (Output_data::fix_data_size): New method definition.
649 (Output_data::is_data_size_fixed_): New data member.
650 (Output_section_headers::set_final_data_size): New method definition.
651 (Output_section_headers::do_size): New method declaration.
652 (Output_segment_headers::set_final_data_size): New method definition.
653 (Output_segment_headers::do_size): New method declaration.
654 (Output_file_header::set_final_data_size)::New method definition.
655 (Output_file_header::do_size)::New method declaration.
656 (Output_section_data::Output_section_data): Add new parameter
657 is_data_size_fixed and use it to fix data size.
658 (Output_data_const::Output_data_const): Adjust call to base class
659 constructor and fix data size.
660 (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
661 base class constructor and fix data size.
662 (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
663 base class constructor and fix data size.
664 (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
665 class constructor and fix data size.
666 (Output_data_group::set_final_data_size): New method definition.
667 (Output_data_dynamic::Dynamic_entry::tag): New method definition.
668 (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
669 class constructor and fix data size.
670 (Output_relaxed_input_section): New class definition.
671 (Output_section::Simple_input_section): New class definition.
672 (Output_section::get_input_sections): Adjust parameter list.
673 (Output_section::add_input_section_for_script): Same.
674 (Output_section::save_states, Output_section::restore_states,
675 Output_section::do_address_and_file_offset_have_reset_values,
676 (Output_section::Input_section::Input_section): Handle
677 RELAXED_INPUT_SECTION_CODE. Add new overload for
678 Output_relaxed_input_section.
679 (Output_section::Input_section::is_input_section,
680 Output_section::Input_section::set_output_section): Handle relaxed
682 (Output_section::Input_section::is_relaxed_input_section,
683 Output_section::Input_section::output_section_data,
684 Output_section::Input_section::relaxed_input_section): New method
686 (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
688 (Output_section::Input_section::u1_): Update comments.
689 (Output_section::Input_section::u2_): Add new union member poris.
690 (Output_section::Checkpoint_output_section): New classs definition.
691 (Output_section::relax_input_section): New method declaration.
692 (Output_section::checkpoint_): New data member.
693 (Output_segment): Update comments.
694 (Output_segment::Output_segment): Un-privatize copy constructor.
695 (Output_segment::operator=): Un-privatize.
696 * script-sections.cc (Output_section_element::Input_section_list):
697 Change element type to Output_section::Simple_input_section.
698 (Output_section_element_dot_assignment::set_section_addresses):
699 Register output section data for relaxation clean up.
700 (Output_data_exression::Output_data_expression): Adjust call to base
701 constructor to fix data size.
702 (Output_section_element_data::set_section_addresses): Register
703 Output_data_expression object for relaxation clean up.
704 (struct Input_section_info): Replace Relobj pointer and section index
705 pair with Output_section::Simple_input_section and Convert struct to a
707 (Input_section_sorter::operator()): Adjust access to
708 Input_section_info data member to use accessors.
709 (Output_section_element_input::set_section_addresses): Use layout
710 parameter. Adjust code to use Output_section::Simple_input_section
711 and Input_secction_info classes. Register filler for relaxation
713 (Orphan_output_section::set_section_addresses): Replace Relobj pointer
714 and section index pair with Output_section::Simple_input_section
715 class. Adjust code accordingly.
716 (Phdrs_element::release_segment): New method definition.
717 (Script_sections::attach_sections_using_phdrs_clause): Do not modify
719 (Script_sections::release_segments): New method definition.
720 * gold/script-sections.h (Script_sections::release_segments): New
722 * gold/target.h (Target::may_relax, Target::relax,
723 Target::do_may_relax, Target::do_relax): New method definitions.
725 2009-09-17 Viktor Kutuzov <vkutuzov@accesssoftek.com>
727 * arm.cc (has_signed_unsigned_overflow): New function.
728 (Arm_relocate_functions::abs8): New function.
729 (Target_arm::Scan::local): Handle R_ARM_ABS8.
730 (Target_arm::Scan::global): Likewise.
731 (Target_arm::relocate::relocate): Likewise.
732 (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
735 2009-09-16 Cary Coutant <ccoutant@google.com>
737 * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
738 * testsuite/Makefile.in: Regenerate.
740 2009-09-11 Nick Clifton <nickc@redhat.com>
742 * po/gold.pot: Updated by the Translation project.
744 2009-09-08 Cary Coutant <ccoutant@google.com>
746 * output.cc (Output_file::open): Add execute permission to empty file.
747 * testsuite/Makefile.am (permission_test): New test.
748 * testsuite/Makefile.in: Regenerate.
750 2009-09-02 Ian Lance Taylor <iant@google.com>
752 * output.cc (Output_file::resize): Call map_no_anonymous rather
755 2009-09-01 Mikolaj Zalewski <mikolajz@google.com>
757 * gold.cc: Include "incremental.h".
758 (queue_initial_tasks): Call Incremental_checker methods.
759 * incremental.cc: Include "output.h".
760 (Incremental_checker::can_incrementally_link_output_file): New
762 * incremental.h (Incremental_checker): New class.
764 * output.cc (Output_file::open_for_modification): New method.
765 (Output_file::map_anonymous): Changed return type to bool. Record
767 (Output_file::map_no_anonymous): New method, broken out of map.
768 (Output_file::map): Use map_no_anonymous and map_anonymous.
769 * output.h (class Output_file): Update declarations.
771 2009-08-24 Cary Coutant <ccoutant@google.com>
773 * options.h (Command_line::Pre_options): New class.
774 (Command_line::pre_options): New member.
775 * options.cc (gold::options::ready_to_register): New variable.
776 (One_option::register_option): Do nothing if not registering options.
777 Assert if same short option registered twice.
778 (General_options::General_options): Turn off option registration when
780 (Command_line::Pre_options::Pre_options): New constructor.
782 2009-08-24 Cary Coutant <ccoutant@google.com>
784 * options.h (General_options::no_keep_memory): Remove incorrect
787 2009-08-24 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
789 * Makefile.am (am__skiplex, am__skipyacc): New.
790 * Makefile.in: Regenerate.
792 2009-08-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
794 * Makefile.am (AM_CPPFLAGS): Renamed from ...
795 (INCLUDES): ... this.
796 * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
797 (AM_CPPFLAGS): Renamed from ...
799 * Makefile.in, testsuite/Makefile.in: Regenerate.
801 * Makefile.in: Regenerate.
802 * aclocal.m4: Likewise.
803 * config.in: Likewise.
804 * configure: Likewise.
805 * testsuite/Makefile.in: Likewise.
807 * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
808 * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
809 * Makefile.in: Regenerate.
810 * testsuite/Makefile.in: Regenerate.
812 2009-08-19 Cary Coutant <ccoutant@google.com>
814 * resolve.cc (Symbol_table::resolve): Don't complain about defined
815 symbols in shared libraries overridden by hidden or internal symbols
818 2009-08-19 Chris Demetriou <cgd@google.com>
820 * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
821 checking source file names in error messages.
823 2009-08-18 Doug Kwan <dougkwan@google.com>
825 * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
826 an elcpp::Ehdr as parameter. Adjust call to set_target.
827 * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
828 an elfcpp::Ehdr as parameter.
829 * object.cc (Object::set_target): Remove the version that looks up
830 a target and sets it.
831 (Sized_relobj::setup): Take a Target object instead of
832 an elfcpp::Ehdr as parameter. Adjust call to set_target.
833 (make_elf_sized_object): Find target and ask target to
835 * object.h: (Object::set_target): Remove the version that looks up
836 a target and sets it.
837 (Sized_relobj::setup): Take a Target object instead of
838 an elfcpp:Ehdr as parameter.
839 * target.cc: Include dynobj.h.
840 (Target::do_make_elf_object_implementation): New.
841 (Target::do_make_elf_object): New.
842 * target.h (Target::make_elf_object): New template declaration.
843 (Target::do_make_elf_object): New method declarations.
844 (Target::do_make_elf_object_implementation): New template declaration.
846 2009-08-14 Ian Lance Taylor <iant@google.com>
848 * gold.h (FUNCTION_NAME): Define.
849 (gold_unreachable): Use FUNCTION_NAME.
851 2009-08-12 Sriraman Tallam <tmsriram@google.com>
853 * icf.cc (Icf::find_identical_sections): Issue a warning when a
854 symbol in the --keep-unique list is not found.
856 2009-08-12 Sriraman Tallam <tmsriram@google.com>
858 * icf.cc (Icf::find_identical_sections): Unfold symbols that have
859 been maked as --keep-unique.
860 (Icf::unfold_section): New function.
861 * icf.h (Icf::unfold_section): New function.
862 * options.h (General_options::keep_unique): New option.
863 * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
864 * testsuite/Makefile.in: Regenerate.
865 * testsuite/icf_keep_unique_test.sh: New file.
866 * testsuite/icf_keep_unique_test.cc: New file.
868 2009-08-12 Cary Coutant <ccoutant@google.com>
871 * resolve.cc (Symbol_table::resolve): Check for references from
872 dynamic objects to hidden and internal symbols.
873 * testsuite/Makefile.am (hidden_test.sh): New test.
874 * testsuite/Makefile.in: Regenerate.
875 * testsuite/hidden_test.sh: New script.
876 * testsuite/hidden_test_1.c: New test source.
877 * testsuite/hidden_test_main.c: New test source.
879 2009-08-11 Doug Kwan <dougkwan@google.com>
881 * arm.cc: Update comments.
882 (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
883 segment to locate the .ARM.exidx section if present.
885 2009-08-09 Doug Kwan <dougkwan@google.com>
887 * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
890 2009-08-07 Sriraman Tallam <tmsriram@google.com>
891 * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
894 2009-08-06 Sriraman Tallam <tmsriram@google.com>
896 * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
897 valid tls_segment only for non-debug-section relocations.
898 * testsuite/Makefile.am: Add gc_tls_test.
899 * testsuite/Makefile.in: Regenerate.
900 * testsuite/gc_tls_test.cc: New file.
901 * testsuite/gc_tls_test.sh: New file.
903 2009-08-05 Sriraman Tallam <tmsriram@google.com>
907 * Makefile.am (CCFILES): Add icf.cc.
909 * Makefile.in: Regenerate.
910 * dynobj.h (Sized_dynobj::do_section_entsize): New function.
911 * gc.h (gc_process_relocs): Populate lists used by icf to contain
912 section, symbol and addend information for the relocs.
913 * gold.cc (queue_middle_tasks): Call identical code folding.
914 * gold.h: Add defines for multimap.
915 * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
916 to the call of finalize_local_symbols.
917 * main.cc (main): Create object of class Icf.
918 * object.cc (Sized_relobj::do_layout): Allow this function to be
919 called twice during icf.
920 (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
921 to sections marked as identical by icf.
922 (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
924 (Sized_relobj::do_section_entsize): New function.
925 * object.h (Object::section_entsize): New function.
926 (Object::do_section_entsize): New pure virtual function.
927 (Relobj::finalize_local_symbols): Add new parameter.
928 (Relobj::do_section_entsize): New function.
929 * options.h (General_options::icf): New option.
930 (General_options::icf_iterations): New option.
931 (General_options::print_icf_sections): New option.
932 * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
933 * plugin.h (Sized_pluginobj::do_section_entsize): New function.
934 * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
936 * symtab.cc (Symbol_table::is_section_folded): New function.
937 (Symbol_table::sized_finalize_symbol): Fold symbols corresponding
938 to sections marked as identical by icf.
939 * symtab.h (Symbol_table::set_icf): New function.
940 (Symbol_table::icf): New function.
941 (Symbol_table::is_section_folded): New function.
942 (Symbol_table::icf_): New data member.
943 * target-reloc.h (relocate_section): Ignore sections folded by icf.
944 * testsuite/Makefile.am: Add commands to build icf_test.
945 * testsuite/Makefile.in: Regenerate.
946 * testsuite/icf_test.sh: New file.
947 * testsuite/icf_test.cc: New file.
949 2009-07-24 Chris Demetriou <cgd@google.com>
951 * layout.cc (is_compressible_debug_section): Fix incorrect
952 comment about compressed section names.
954 2009-07-20 Ian Lance Taylor <ian@airs.com>
957 * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
959 2009-07-16 Ian Lance Taylor <iant@google.com>
962 * layout.h: #include <map>.
963 (class Kept_section): Change from struct to class. Add accessors
964 and setters. Add section size to Comdat_group mapping. Change
965 Comdat_group to std::map. Add is_comdat_ field. Add
966 linkonce_size field in union.
967 (class Layout): Update declaration of find_or_add_kept_section.
968 Don't declare find_kept_object.
969 * layout.cc (Layout::find_or_add_kept_section): Remove candidate
970 parameter. Add object, shndx, is_comdat, and is_group_name
971 parameters. Change all callers. Adjust for new Kept_section.
972 (Layout::find_kept_object): Remove.
973 * object.cc (Sized_relobj::include_section_group): Update use of
974 Kept_section. Rename secnum to shndx. Only record
975 Kept_comdat_section if sections are the same size.
976 (Sized_relobj::include_linkonce_section): Update use of
977 Kept_section. Only record Kept_comdat_section if sections are the
978 same size. Set size of linkonce section.
979 (Sized_relobj::map_to_kept_section): Update call to
980 get_kept_comdat_section.
981 * object.h (class Sized_relobj): Rename fields in
982 Kept_comdat_section to drop trailing underscores; change object
983 field to Relobj*. Change Kept_comdat_section_table to store
984 struct rather than pointer.
985 (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
986 Add kept_object and kept_shndx parameters. Change all callers.
987 (Sized_relobj::get_kept_comdat_section): Change return type to
988 bool. Add kept_object and kept_shndx parameters. Change all
990 * plugin.cc (Pluginobj::include_comdat_group): Update call to
991 Layout::find_or_add_kept_section.
993 2009-07-09 Ian Lance Taylor <iant@google.com>
995 * merge.cc (Object_merge_map::initialize_input_to_output_map):
996 Reserve space in the hash table.
998 2009-07-06 Mikolaj Zalewski <mikolajz@google.com>
1000 * fileread.cc (File_read::get_mtime): New method.
1001 * fileread.h (Timespec): New structure.
1002 (File_read::get_mtime): New method.
1003 * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
1004 Renamed from timestamp_nsec.
1005 (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
1007 (Incremental_inputs_entry_write::timestamp_usec): Renamed from
1009 (Incremental_inputs::report_archive): Save mtime; style fix.
1010 (Incremental_inputs::report_obejct): Save mtime; style fix.
1011 (Incremental_inputs::report_script): Save mtime; style fix.
1012 (Incremental_inputs::finalize_inputs): Style fix.
1013 (Incremental_inputs::finalize): Style fix.
1014 (Incremental_inputs::create_input_section_data): Store inputs
1016 * incremental.h (Incremental_inputs::report_script): Add mtime
1018 (Incremental_inputs::Input_info::Input_info): Intialize only one
1020 (Incremental_inputs::Input_info::archive): Move to nameless
1022 (Incremental_inputs::Input_info::obejct): Move to nameless union.
1023 (Incremental_inputs::Input_info::script): Move to nameless union.
1024 (Incremental_inputs::mtime): New field.
1025 * script.cc (read_input_script): Pass file mtime to
1027 * script.h (Script_info::inputs): Style fix.
1029 2009-07-01 Ian Lance Taylor <ian@airs.com>
1031 * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
1034 2009-06-24 Ian Lance Taylor <iant@google.com>
1037 * layout.cc (Layout::choose_output_section): If we find an
1038 existing section, update the flags.
1039 (Layout::create_notes): New function, broken out of
1041 (Layout::finalize): Don't create note sections.
1042 (Layout::create_note): Don't crash if linker script discards
1044 (Layout::create_gold_note): Likewise.
1045 (Layout::create_build_id): Likewise. Don't set
1046 after_input_sections on the section.
1047 (Layout::create_executable_stack_info): Remove target parameter.
1049 * layout.h (class Layout): Declare create_notes. Update
1050 declaration of create_executable_stack_info.
1051 * gold.cc (queue_middle_tasks): Call create_notes.
1052 * output.cc (Output_section::update_flags_for_input_section): Move
1053 here from output.h. If SHF_ALLOC flag is newly set, mark address
1055 * output.h (Output_data::mark_address_invalid): New function.
1056 (class Output_section): Only declare, not define,
1057 update_flags_for_input_section. Remove set_flags.
1059 2009-06-24 Ian Lance Taylor <iant@google.com>
1061 * script-sections.cc (Output_section_definition::
1062 set_section_addresses): Rename shadowing local load_address to
1065 2009-06-24 Ian Lance Taylor <iant@google.com>
1068 * reloc.cc (relocate_sections): Skip empty relocation sections.
1070 2009-06-23 Ian Lance Taylor <iant@google.com>
1073 * layout.cc (Layout::create_note): Use choose_output_section
1074 rather than make_output_section.
1076 2009-06-23 Ian Lance Taylor <iant@google.com>
1079 * options.cc (General_options::parse_V): Set printed_version_.
1080 (General_options::General_options): Initialize printed_version_.
1081 * options.h (class General_options): Add printed_version_ field.
1082 * gold.cc (queue_initial_tasks): If there are no input files,
1083 don't give a fatal error if we printed the version information.
1084 (queue_middle_tasks): If using -r with a shared object, give a
1085 fatal error rather than an ordinary error.
1087 2009-06-23 Ian Lance Taylor <iant@google.com>
1090 * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
1091 (Layout::make_output_section): Set have_stabstr_section_ if we see
1092 a .stab*str section.
1093 (Layout::finalize): Call link_stabs_sections.
1094 (Layout::link_stabs_sections): New file.
1095 * layout.h (class Layout): Add have_stabstr_section_ field.
1096 Declare link_stabs_sections.
1098 2009-06-23 Doug Kwan <dougkwan@google.com>
1100 * Makefile.am (libgold_a_LIBADD): New.
1101 (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
1102 * Makefile.in: Regenerate.
1103 * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
1104 * configure: Regenerate.
1105 * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
1106 * fileread.cc: Include sys/state.h
1107 * gold.h: Declare memmem and strndup if found missing.
1108 * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
1110 2009-06-23 Ian Lance Taylor <iant@google.com>
1112 * configure.ac: Call AC_CHECK_DECLS using C, not C++.
1113 * configure: Rebuild.
1115 2009-06-23 Ian Lance Taylor <iant@google.com>
1118 * object.cc (Object::section_contents): Don't try to get a view if
1119 the section has length zero.
1120 (Object::handle_gnu_warning_section): If the section is empty, use
1121 the name of the section as the warning.
1123 2009-06-23 Ian Lance Taylor <iant@google.com>
1126 * stringpool.h (class Stringpool_template): Add optimize_ field.
1127 (Stringpool_template::set_optimize): New function.
1128 * stringpool.cc (Stringpool_template::Stringpool_template):
1129 Initialize optimize_ field.
1130 (Stringpool_template::set_string_offsets): Test local optimize
1131 fild rather than parameter.
1132 * layout.cc (Layout::Layout): Call set_optimize on the section
1135 2009-06-22 Ian Lance Taylor <iant@google.com>
1138 * yyscript.y: Parse TARGET.
1139 * script.cc (script_set_target): New function.
1140 * script-c.h (script_set_target): Declare.
1141 * options.cc (General_options::string_to_object_format): Rename
1142 from string_to_object_format in anonymous namespace. Change
1144 * options.h (class General_options): Declare
1145 string_to_object_format.
1147 2009-06-22 Ian Lance Taylor <iant@google.com>
1149 * script-sections.cc (Script_sections::create_segments): Don't put
1150 program headers in a PT_LOAD segment if -n or -N.
1152 2009-06-22 Ian Lance Taylor <iant@google.com>
1155 * options.h (class General_options): Add -z lazy and -z now. Sort
1156 -z options into alphabetical order.
1157 * layout.cc (Layout::finish_dynamic_section): Handle -z now.
1159 2009-06-21 Ian Lance Taylor <iant@google.com>
1161 * layout.cc (Layout::make_output_section): Call
1162 Target::new_output_section.
1163 (Layout::attach_allocated_section_to_segment): Put large section
1164 sections in a separate load segment with the large segment flag
1166 (Layout::segment_precedes): Sort large data segments after other
1168 (align_file_offset): New static function.
1169 (Layout::set_segment_offsets): Use align_file_offset.
1170 * output.h (class Output_section): Add is_small_section_ and
1171 is_large_section_ fields.
1172 (Output_section::is_small_section): New function.
1173 (Output_section::set_is_small_section): New function.
1174 (Output_section::is_large_section): New function.
1175 (Output_section::set_is_large_section): New function.
1176 (Output_section::is_large_data_section): New function.
1177 (class Output_segment): Add is_large_data_segment_ field.
1178 (Output_segment::is_large_data_segment): New function.
1179 (Output_segment::set_is_large_data_segment): New function.
1180 * output.cc (Output_section::Output_section): Initialize new
1182 (Output_segment::Output_segment): Likewise.
1183 (Output_segment::add_output_section): Add assertion that large
1184 data sections always go in large data segments. Force small data
1185 sections to the end of the list of data sections. Force small BSS
1186 sections to the start of the list of BSS sections. For large BSS
1187 sections to the end of the list of BSS sections.
1188 * symtab.h (class Symbol): Declare is_common_shndx.
1189 (Symbol::is_defined): Check Symbol::is_common_shndx.
1190 (Symbol::is_common): Likewise.
1191 (class Symbol_table): Define enum Commons_section_type. Update
1192 declarations. Add small_commons_ and large_commons_ fields.
1193 * symtab.cc (Symbol::is_common_shndx): New function.
1194 (Symbol_table::Symbol_table): Initialize new fields.
1195 (Symbol_table::add_from_object): Put small and large common
1196 symbols in the right list.
1197 (Symbol_table::sized_finalized_symbol): Check
1198 Symbol::is_common_shndx.
1199 (Symbol_table::sized_write_globals): Likewise.
1200 * common.cc (Symbol_table::do_allocate_commons): Allocate new
1201 common symbol lists. Don't call do_allocate_commons_list if the
1203 (Symbol_table::do_allocate_commons_list): Remove is_tls
1204 parameter. Add comons_section_type parameter. Change all
1205 callers. Handle small and large common symbols.
1206 * object.cc (Sized_relobj::do_finalize_local_symbols): Check
1207 Symbol::is_common_shndx.
1208 * resolve.cc (symbol_to_bits): Likewise.
1209 * target.h (Target::small_common_shndx): New function.
1210 (Target::small_common_section_flags): New function.
1211 (Target::large_common_shndx): New function.
1212 (Target::large_common_section_flags): New function.
1213 (Target::new_output_section): New function.
1214 (Target::Target_info): Add small_common_shndx, large_common_shndx,
1215 small_common_section_flags, and large_common_section_flags
1217 (Target::do_new_output_section): New virtual function.
1218 * arm.cc (Target_arm::arm_info): Initialize new fields.
1219 * i386.cc (Target_i386::i386_info): Likewise.
1220 * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
1222 * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
1223 * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
1224 (Target_x86_64::do_new_output_section): New function.
1225 * configure.ac: Define conditional MCMODEL_MEDIUM.
1226 * testsuite/Makefile.am (check_PROGRAMS): Add large.
1227 (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
1228 (large_LDFLAGS): Define.
1229 * testsuite/large.c: New file.
1230 * testsuite/testfile.cc (Target_test::test_target_info):
1231 Initialize new fields.
1232 * configure, testsuite/Makefile.in: Rebuild.
1234 2009-06-05 Doug Kwan <dougkwan@google.com>
1236 * Makefile.am (CCFILES): Add target.cc.
1237 * Makefile.in: Regenerate.
1238 * i386.cc (class Target_i386): Define new virtual method to
1239 override do_is_local_label_name in parent.
1240 * object.cc (Sized_relobj::do_count_local_symbols): Discard
1241 local symbols if --discard-locals or -X is given.
1242 * options.h (class General_options): Declare new options
1243 '--discard-locals' and '-X' for discarding locals.
1244 * target.h (class Target): Define new methods is_local_label_name.
1245 Declare new virtual method do_is_local_label_name.
1246 * target.cc: New file.
1247 * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
1248 (check_SCRIPTS): Add discard_locals_test.sh.
1249 (check_DATA): Add discard_local_tests.syms.
1250 (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
1251 (discard_local_tests.syms, discard_locals_test.o): New make rules.
1252 * testsuite/Makefile.in: Regenerate.
1253 * testsuite/discard_locals_test.c: New file.
1254 * testsuite/discard_locals_test.sh: Same.
1256 2009-06-05 Doug Kwan <dougkwan@google.com>
1258 * object.cc (Sized_relobj::Sized_relobj): Initialize
1259 discarded_eh_frame_shndx_ to -1U.
1260 (Sized_relobj::do_layout): Record index of a discard .eh_frame
1262 (Sized_relobj::do_count_local_symbols): Skip local symbols in
1263 a discarded .eh_frame section.
1264 (Sized_relobj::do_finalize_local_symbols): Ditto.
1265 * object.h (class Sized_relobj): Declare new member
1266 discarded_eh_frame_shndx_.
1267 * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
1268 (local_labels_test.o, local_labels_test): New rules.
1269 * testsuite/Makefile.in: Regenerate.
1271 2009-06-04 Doug Kwan <dougkwan@google.com>
1273 * layout.cc (Layout::section_name_mapping): Add mapping for
1274 special ARM sections.
1276 2009-06-03 Doug Kwan <dougkwan@google.com>
1278 * arm.cc (utils::sign_extend): Reverse test in gold_assert.
1279 (utils::has_overflow): Same.
1281 2009-06-03 Ian Lance Taylor <iant@google.com>
1283 * layout.cc (Layout::section_name_mapping): New array, replacing
1284 Layout::linkonce_mapping.
1285 (Layout::section_name_mapping_count): New variable, replacing
1286 Layout::linkonce_mapping_count.
1287 (Layout::linkonce_output_name): Remove.
1288 (Layout::output_section_name): Rewrite.
1289 * layout.h (class Layout): Rename Linkonce_mapping to
1290 Section_name_mapping, linkonce_mapping to section_name_mapping,
1291 linkonce_mapping_count to section_name_mapping_count. Don't
1292 declare linkonce_output_name.
1294 2009-06-03 Doug Kwan <dougkwan@google.com>
1296 * gold/arm.cc (namespace utils): New.
1297 (Target_arm::reloc_is_non_pic): Define new method.
1298 (class Arm_relocate_functions): New.
1299 (Target_arm::Relocate::relocate): Handle relocation types used by
1302 2009-06-03 Ian Lance Taylor <iant@google.com>
1304 * arm.cc (Target_arm::scan::global): Use || instead of |.
1306 2009-06-02 Doug Kwan <dougkwan@google.com>
1308 * gold/arm.cc (Target_arm::Scan::Scan): Initialize
1309 issued_non_pic_error_.
1310 (class Target_arm::Scan): Declare new method check_non_pic.
1311 Define new method symbol_needs_plt_entry.
1312 Declare new data member issued_non_pic_error_.
1313 (class Target_arm::Relocate): Declare new method
1314 should_apply_static_reloc.
1315 (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
1316 (Target_arm::Scan::check_non_pic): Define new method.
1317 (Target_arm::Scan::local): Handle a small subset of reloc types used
1319 (Target_arm::Scan::local): Same.
1320 (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
1322 2009-05-31 Mikolaj Zalewski <mikolajz@google.com>
1324 * incremental.cc (Incremental_inputs::report_command_line): Filter
1325 out --incremental-* options.
1327 2009-05-29 Doug Kwan <dougkwan@google.com>
1329 * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
1331 (class Target_arm): Update comment.
1332 (Target_arm::Target_arm): Initialize new data members GOT_,
1333 PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
1334 Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
1335 and Target_arm::rel_dyn_section.
1336 Declare new_enum Target_arm::Got_type.
1337 Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
1339 Update commments for member do_dynsym_value.
1340 (Target_arm::got_size, Target_arm::plt_section,
1341 Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
1342 new methods inside class defintion.
1343 (Target_arm::got_section): Define new method.
1344 (Target_arm::rel_dyn_section): Same.
1345 (Output_data_plt_arm): New template class.
1346 (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
1347 (Output_data_plt_arm:do_adjust_output_section): Define new method.
1348 (Output_data_plt_arm::add_entry): Same.
1349 (Output_data_plt_arm::first_plt_entry): Define new
1350 static data member for PLT instruction template.
1351 (Output_data_plt_arm::plt_entry): Same.
1352 (Output_data_plt_arm::do_write): Define new method.
1353 (Target_arm::make_plt_entry): Same.
1354 (Target_arm::do_finalize_sections): Same.
1355 (Target_arm::do_dynsym_value): Same.
1357 2009-05-28 Doug Kwan <dougkwan@google.com>
1359 * Makefile.am (TARGETSOURCES): Add arm.cc.
1360 (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
1361 * Makefile.in: Regenerate.
1363 * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
1365 2009-05-26 Doug Kwan <dougkwan@google.com>
1367 * options.cc (General_options::parse_exclude_libs). Fix a comment.
1368 (General_options::check_excluded_libs): Strip off directories in
1369 archive name before matching like GNU ld does.
1370 * testsuite/Makefile.am (MOSTLYCLEANFILES,
1371 exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
1372 (exclude_libs_test_LDFLAGS): Add linker option
1373 -Wl,--exclude-libs,libexclude_libs_test_3
1374 (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
1375 an explicit archive without using -l.
1376 (alt/libexclude_libs_test_3.a): New make rule.
1377 * testsuite/Makefile.in: Regenerate.
1378 * testsuite/exclude_libs_test.c : Declare lib3_default().
1380 * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
1381 * exclude_libs_test_3.c: New file.
1383 2009-05-26 Nick Clifton <nickc@redhat.com>
1385 * po/id.po: New Indonesian translation.
1386 * po/gold.pot: Updated template file.
1388 2009-05-22 Sriraman Tallam <tmsriram@google.com>
1390 * testsuite/Makefile.am: Add -ffunction-sections to compile
1391 gc_comdat_test files. Add -Wl,--gc-sections to build
1393 * testsuite/Makefile.in: Regenerate.
1394 * testsuite/gc_comdat_test.sh: Fix the condition around grep.
1396 2009-05-21 Sriraman Tallam <tmsriram@google.com>
1398 * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
1399 kept comdat section was garbage collected.
1400 * testsuite/Makefile.am: Add test gc_comdat_test.sh.
1401 * testsuite/Makefile.in: Regenerate.
1402 * testsuite/gc_comdat_test.sh: New file.
1403 * testsuite/gc_comdat_test_1.cc: New file.
1404 * testsuite/gc_comdat_test_2.cc: New file.
1406 2009-05-19 Doug Kwan <dougkwan@google.com>
1408 * archive.cc (Archive::Archive): Move constructor from archive.h
1409 to here. Initialize no_export_.
1410 (Archive::get_elf_object_for_member): Set no_export flag of object.
1411 * archive.h (Archive::Archive): Move constructor body to
1413 (Archive::no_export): New method.
1414 (Archive::no_export_): New field.
1415 * object.h (Object::Object): Initialize no_export_ to false.
1416 (Object::no_export, Object::set_no_export): New methods.
1417 (Object::no_export_): New field.
1418 * options.cc (General_options::parse_exclude_libs): New method.
1419 (General_options::check_excluded_libs) Same.
1420 * options.h (exclude_libs): New option.
1421 (General_options::check_excluded_libs): New method declaration.
1422 (General_options::excluded_libs_): New field.
1423 * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
1424 default or protected visibility if an object has no-export flag set.
1425 testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
1426 (check_SCRIPTS): Add exclude_libs_test.sh.
1427 (check_DATA): Add exclude_libs_test.syms.
1428 (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
1429 libexclude_libs_test_1.a and libexclude_libs_test_2.a.
1430 (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
1431 exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
1432 (exclude_libs_test.syms, libexclude_libs_test_1.a,
1433 libexclude_libs_test_2.a): New rules.
1434 * testsuite/Makefile.in: Regenerate.
1435 * testsuite/exclude_libs_test.c: New file.
1436 * testsuite/exclude_libs_test.sh: Ditto.
1437 * testsuite/exclude_libs_test_1.c: Ditto.
1438 * testsuite/exclude_libs_test_2.c: Ditto.
1440 2009-05-15 Ian Lance Taylor <iant@google.com>
1442 * configure.ac: Check for declarations for cases where libiberty.h
1443 checks HAVE_DECL_xxx.
1444 * configure, config.in: Rebuild.
1446 2009-05-15 Mikolaj Zalewski <mikolajz@google.com>
1448 * gold.h (Incremental_argument_list): Remove (invalid) forward
1450 * incremental.cc (Incremental_inputs::report_achive): New method.
1451 (Incremental_inputs::report_object): New method.
1452 (Incremental_inputs::report_script): New method.
1453 (Incremental_inputs::finalize_inputs): New method.
1454 (Incremental_inputs::finalize): Call finalize_inputs().
1455 (Incremental_inputs::sized_create_incremental_inputs_section_data):
1456 Create inputs entries.
1457 * incremental.h (Incremental_input_type): New enum.
1458 (Incremental_inputs::Incremental_input): Initialize new fields.
1459 (Incremental_inputs::report_inputs): New method.
1460 (Incremental_inputs::report_achive): New method.
1461 (Incremental_inputs::report_object): New method.
1462 (Incremental_inputs::report_script): New method.
1463 (Incremental_inputs::finalize_inputs): New method.
1464 (Incremental_inputs::Input_info): New struct.
1465 (Incremental_inputs::Input_info_map): New typedef.
1466 (Incremental_inputs::lock_): New field.
1467 (Incremental_inputs::Inputs_): New field.
1468 (Incremental_inputs::Inputs_map): New field.
1469 * main.cc (main): Call Incremental_input::report_inputs.
1470 * options.h (Input_argument_list): Typedef moved from
1472 (Input_file_group::Files): Remove, use ::Input_argument_list.
1473 (Input_file_group::Input_argument_list): Remove, use
1474 ::Input_argument_list.
1475 * plugin.cc (Plugin_manager::add_input_file): Add error in
1477 * read_syms.cc (do_read_syms): Call Incremental_input::report_*
1479 * script.cc (read_input_script): Call
1480 Incremental_input::report_script.
1481 * script.h (Script_info): New class.
1483 2009-04-27 Ian Lance Taylor <iant@google.com>
1485 * x86_64.cc (do_adjust_output_section): Set entsize to
1488 2009-04-23 Elliott Hughes <enh@google.com>
1490 * output.cc (Output_file::close): After short writes, continue
1491 writing from the correct offset in the buffer being written.
1493 2009-04-23 Chris Demetriou <cgd@google.com>
1495 * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
1496 * configure: Regenerate.
1497 * config.in: Regenerate.
1498 * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
1499 if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
1501 2009-04-21 Mikolaj Zalewski <mikolajz@google.com>
1503 * incremental.cc (Incremental_inputs_header_data): Renamed from
1504 Incremental_input_header_data.
1505 (Incremental_inputs_header_data::data_size): New field.
1506 (Incremental_inputs_header_data::put_input_file_count): Renamed
1507 from input_file_count.
1508 (Incremental_inputs_header_data::put_command_line_offset): Renamed
1509 from command_line_offset.
1510 (Incremental_inputs_header_data::put_reserved): Renamed from
1512 (Incremental_inputs_entry_data): Renamed from
1513 Incremental_input_entry_data.
1514 (Incremental_inputs_entry_data::data_size): New field.
1515 (Incremental_inputs::report_command_line): New method.
1516 (Incremental_inputs::finalize): New method.
1517 (Incremental_inputs::create_incremental_inputs_data): New method.
1518 (Incremental_inputs::sized_create_incremental_inputs_data): New method.
1519 * incremental.h: New file.
1520 * layout.cc (Layout::Layout): Handle new incremental_inputs_.
1521 (Layout::finalize): Create incremental inputs section in
1523 (Layout::create_incremental_info_sections): New method.
1524 * layout.h (Layout::incremental_inputs): New method.
1525 (Layout::create_incremental_info_sections): New method.
1526 (Layout::incremental_inputs_): New field.
1527 * main.cc (main): Notify Incremental_input of the command line.
1529 2009-04-01 Ian Lance Taylor <iant@google.com>
1530 Mikolaj Zalewski <mikolajz@google.com>
1532 * gold.h (reserve_unordered_map): Define, three versions, one for
1533 each version of Unordered_map.
1534 * layout.cc (Layout::Layout): Remove options parameter. Add
1535 number_of_input_files parameter. Don't initialize options_.
1536 Initialize number_of_input_files_ and resized_signatures_. Move
1537 sections_are_attached_.
1538 (Layout::layout_group): Reserve space for group_signatures_.
1539 (Layout::find_or_add_kept_section): Change name parameter to be a
1540 reference. Resize signatures_ map when it gets large enough.
1541 (Layout::layout_eh_frame): Use parameters->options() instead of
1543 (Layout::make_output_section): Likewise.
1544 (Layout::attach_allocated_section_to_segment): Likewise.
1545 (Layout::finalize, Layout::create_executable_stack): Likewise.
1546 (Layout::set_segment_offsets, Layout::create_interp): Likewise.
1547 (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
1548 * layout.h (class Layout): Update declarations. Remove options_
1549 field. Add number_of_input_files_ and resized_signatures_
1550 fields. Move sections_are_attached_ field.
1551 * main.cc (main): Pass number of input files to Layout
1552 constructor. Don't pass options.
1554 2009-03-30 Ian Lance Taylor <iant@google.com>
1556 * ffsll.c (ffsll): Correct implementation.
1558 2009-03-27 Ian Lance Taylor <iant@google.com>
1560 * ffsll.c: New file.
1561 * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
1562 * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
1563 * ftruncate.c (ftruncate): Declare before definition.
1564 * mremap.c (mremap): Likewise.
1565 * pread.c (pread): Likewise.
1566 * configure, Makefile.in, config.in: Rebuild.
1568 * mremap.c: New file.
1569 * configure.ac: Call AC_REPLACE_FUNCS on mremap.
1570 * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
1571 (mremap): Declare if HAVE_MREMAP is not defined.
1572 * configure, Makefile.in, config.in: Rebuild.
1574 2009-03-27 Cary Coutant <ccoutant@google.com>
1576 * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
1577 position independent.
1578 * sparc.cc (Target_sparc::check_non_pic): Likewise.
1579 * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
1581 2009-03-24 Cary Coutant <ccoutant@google.com>
1583 * symtab.h (needs_plt_entry): Check for unsatisfied reference from
1585 (needs_dynamic_reloc): Likewise.
1587 2009-03-24 Ian Lance Taylor <iant@google.com>
1589 * yyscript.y (file_cmd): Recognize EXTERN.
1590 (extern_name_list, extern_name_list_body): New nonterminals.
1591 * script.cc (script_add_extern): Define.
1592 * script-c.h (script_add_extern): Declare.
1594 2009-03-24 Rafael Avila de Espindola <espindola@google.com>
1596 * object.cc (is_elf_object): Define.
1597 * object.h (is_elf_object): Declare.
1598 * archive.cc (Archive::get_elf_object_for_member): Call
1600 * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
1602 2009-03-24 Elliott Hughes <enh@google.com>
1604 * output.cc (Output_file::map_anonymous): Define.
1605 (Output_file::map): Use map_anonymous. If the regular mmap fails,
1606 try an anonymous one. Report the size if the mmap fails.
1607 * output.h (class Output_file): Declare map_anonymous.
1609 2009-03-24 Ian Lance Taylor <iant@google.com>
1611 * target-select.cc (instantiate_target): Don't acquire the lock if
1612 the instantiated_target_ field has already been set.
1614 2009-03-23 Ian Lance Taylor <iant@google.com>
1616 * gold-threads.h (class Initialize_lock): Define.
1617 * gold-threads.cc (class Initialize_lock_once): Define.
1618 (initialize_lock_control): New static variable.
1619 (initialize_lock_pointer): New static variable.
1620 (initialize_lock_once): New static function.
1621 (Initialize_lock::Initialize_lock): Define.
1622 (Initialize_lock::initialize): Define.
1623 * target-select.h: Include "gold-threads.h".
1624 (class Target_selector): Add lock_ and initialize_lock_ fields.
1625 Don't define instantiate_target, just declare it.
1626 * target-select.cc (Target_selector::Target_selector): Initialize
1628 (Target_selector::instantiate_target): Define.
1629 * descriptors.h: Include "gold-threads.h".
1630 (class Descriptors): Add initialize_lock_ field.
1631 * descriptors.cc (Descriptors::Descriptors): Initialize new
1633 (Descriptors::open): Use initialize_lock_ field
1634 * errors.h (class Errors): Add initialize_lock_ field.
1635 * errors.cc (Errors::Errors): Initialize new field.
1636 (Errors::initialize_lock): Use initialize_lock_ field.
1637 * powerpc.cc (class Target_selector_powerpc): Remove
1638 instantiated_target_ field. In do_recognize call
1639 instantiate_target rather than do_instantiate_target. In
1640 do_instantiate_target just allocate a new target.
1641 * sparc.cc (class Target_selector_sparc): Likewise.
1643 * freebsd.h: New file.
1644 * i386.cc: Include "freebsd.h".
1645 (Target_i386): Derive from Target_freebsd rather than
1647 (Target_selector_i386): Derive from Target_selector_freebsd rather
1648 than Target_selector.
1649 * x86_64.cc: Include "freebsd.h".
1650 (Target_x86_64): Derive from Target_freebsd rather than
1652 (Target_selector_x86_64): Derive from Target_selector_freebsd
1653 rather than Target_selector.
1654 * target.h (class Target): Add adjust_elf_header and
1655 do_adjust_elf_header.
1656 * output.cc (Output_file_header:: do_sized_write): Call target
1657 adjust_elf_header routine.
1658 * configure.tgt: Set targ_osabi.
1659 * configure.ac: Define GOLD_DEFAULT_OSABI.
1660 * parameters.cc (Parameters::default_target): Pass
1661 GOLD_DEFAULT_OSABI to select_target.
1662 * target-select.h (class Target_selector): Make instantiate_target
1663 protected rather than private.
1664 * Makefile.am (HFILES): Add freebsd.h.
1665 * configure, Makefile.in, config.in: Rebuild.
1667 * merge.cc (do_add_input_section): Correct pend value. Change
1668 message about last entry not being null terminated from error to
1671 2009-03-20 Mikolaj Zalewski <mikolajz@google.com>
1673 * incremental.cc: New file.
1674 * Makefile.am (CCFILES): Add incremental.cc.
1675 * Makefile.in: Rebuild.
1677 2009-03-19 Paul Pluzhnikov <ppluzhnikov@google.com>
1679 * layout.cc (Layout::output_section_name): Preserve names
1680 of '.note.' sections.
1682 2009-03-19 Ian Lance Taylor <iant@google.com>
1684 * descriptors.cc (Descriptors::open): Check that the options are
1685 valid before using them.
1687 2009-03-18 Ian Lance Taylor <iant@google.com>
1689 * script-sections.h: Include <list>.
1690 (class Script_sections): Change Sections_elements from std::vector
1691 to std::list. Typedef public Elements_iterator. Add
1692 orphan_section_placement_, data_segment_align_start_, and
1693 saw_data_segment_align_ fields. Remove data_segment_align_index_
1695 * script-sections.cc (class Orphan_section_placement): New class.
1696 (class Sections_element): Add virtual functions is_relro and
1697 orphan_section_init. Remove virtual function place_orphan_here.
1698 (class Output_section_definition): Add is_relro and
1699 orphan_section_init. Remove place_orphan_here.
1700 (class Orphan_output_section): Likewise.
1701 (Script_sections::Script_sections): Update for field changes.
1702 (Script_sections::data_segment_align): Set saw_data_segment_align_
1703 and data_segment_align_start_, not data_segment_align_index.
1704 (Script_sections::data_segment_relro_end): Check
1705 saw_data_segment_align_. Use data_segment_align_start_ rather
1706 than data_segment_align_index_.
1707 (Script_sections::place_orphan): Rewrite to use
1708 Orphan_section_placement.
1710 2009-03-17 Ian Lance Taylor <iant@google.com>
1712 * archive.cc (Archive::add_symbols): Check for a version attached
1713 to the symbol name in the archive map.
1714 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
1715 (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
1716 (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
1717 (ver_test_11.a): New target.
1718 * testsuite/Makefile.in: Rebuild.
1720 * configure.ac: Check for chsize and posix_fallocate. Replace
1722 * ftruncate.c: New file, from gnulib.
1723 * output.cc (posix_fallocate): Define dummy version if not
1724 HAVE_POSIX_FALLOCATE.
1725 (Output_file::map): Call posix_fallocate rather than lseek and
1727 * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
1728 * configure, Makefile.in, config.in: Rebuild.
1730 2009-03-17 Paul Pluzhnikov <ppluzhnikov@google.com>
1732 * layout.h (Layout::create_note): Add section_name parameter.
1733 * layout.cc (Layout::create_note): Likewise.
1734 (Layout::create_build_id, Layout::create_gold_note): Fix callers.
1736 2009-03-17 Ian Lance Taylor <iant@google.com>
1738 * descriptors.cc: Include "options.h".
1739 (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
1740 (Descriptors::open): Always use O_CLOEXEC when opening a new
1741 descriptor. If we have a plugin, and O_CLOEXEC was not defined,
1742 then set FD_CLOEXEC.
1744 * sparc.cc (class Target_sparc): Add has_got_section.
1745 (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
1746 make sure we have a GOT section.
1748 * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
1749 (Target_sparc::Scan::local): Likewise.
1750 (Target_sparc::Scan::global): Likewise.
1751 (Target_sparc::Relocate::relocate): Likewise.
1752 (Target_sparc::Relocate::relocate_tls): Likewise.
1754 * symtab.cc (Symbol_table::define_default_version): New function,
1755 broken out of add_from_object.
1756 (Symbol_table::add_from_object): Call define_default_version.
1757 (Symbol_table::define_special_symbol): Add resolve_oldsym
1758 parameter. Change all callers. If the version for a symbol comes
1759 from a version script, resolve it with the symbol with the same
1760 name with no version. Also add the symbol without a version if
1762 (do_define_in_output_data): If resolving with oldsym, don't delete
1764 (do_define_in_output_segment): Likewise.
1765 (do_define_as_constant): Likewise.
1766 * symtab.h (class Symbol_table): Update declarations.
1768 2009-03-13 Ian Lance Taylor <iant@google.com>
1770 * readsyms.cc (Read_symbols::incompatible_warning): New function.
1771 (Read_symbols::requeue): New function.
1772 (Read_symbols::do_read_symbols): If make_elf_object fails because
1773 the target type is not configured, and the file was searched for,
1774 issue a warning and retry with the next directory.
1775 (Add_symbols::run): If the file has an incompatible format, and
1776 it was searched for, requeue the Read_symbols task. On error,
1778 * readsyms.h (class Read_symbols): Add dirindex_ field. Add
1779 dirindex parameter to constructor. Change all callers. Declare
1780 incompatible_warning and requeue.
1781 (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
1782 input_argument_ and input_group_ fields. Add them to
1783 constructor. Change all callers.
1784 (class Read_script): Add dirindex_ field. Add it to constructor.
1786 * archive.cc (Archive::setup): Remove input_objects parameter.
1788 (Archive::get_file_and_offset): Likewise.
1789 (Archive::read_all_symbols): Likewise.
1790 (Archive::read_symbols): Likewise.
1791 (Archive::get_elf_object_for_member): Remove input_objects
1792 parameter. Add punconfigured parameter. Change all callers.
1793 (Archive::add_symbols): Change return type to bool. Check return
1794 value of include_member.
1795 (Archive::include_all_members): Likewise.
1796 (Archive::include_member): Change return type to bool. Return
1797 false if first included object has incompatible target. Set
1798 included_member_ field.
1799 (Add_archive_symbols::run): If add_symbols returns false, requeue
1801 * archive.h (class Archive): Add included_member_ field.
1802 Initialize it in constructor. Add input_file and searched_for
1803 methods. Update declarations.
1804 (class Add_archive_symbols): Add dirpath_, dirindex_, and
1805 input_argument_ fields. Add them to constructor. Change all
1807 * script.cc: Include "target-select.h".
1808 (class Parser_closure): Add skip_on_incompatible_target_ and
1809 found_incompatible_target_ fields. Add
1810 skip_on_incompatible_target parameter to constructor. Change all
1811 callers. Add methods skip_on_incompatible_target,
1812 clear_skip_on_incompatible_target, found_incompatible_target, and
1813 set_found_incompatible_target.
1814 (read_input_script): Add dirindex parameter. Change all callers.
1815 If parser finds an incompatible target, requeue Read_symbols
1817 (script_set_symbol): Clear skip_on_incompatible_target in
1819 (script_add_assertion, script_parse_option): Likewise.
1820 (script_start_sections, script_add_phdr): Likewise.
1821 (script_check_output_format): New function.
1822 * script.h (read_input_script): Update declaration.
1823 * script-c.h (script_check_output_format): Declare.
1824 * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
1825 (ignore_cmd): Remove OUTPUT_FORMAT.
1826 * fileread.cc (Input_file::Input_file): Add explicit this.
1827 (Input_file::will_search_for): New function.
1828 (Input_file::open): Add pindex parameter. Change all callers.
1829 * fileread.h (class Input_file): Add input_file_argument method.
1830 Declare will_search_for. Update declarations.
1831 * object.cc (make_elf_object): Add punconfigured parameter.
1833 * object.h (class Object): Make input_file public. Add
1834 searched_for method.
1835 (make_elf_object): Update declaration.
1836 * dirsearch.cc (Dirsearch::find): Add pindex parameter. Use it to
1838 * dirsearch.h (class Dirsearch): Update declaration.
1839 * options.h (class General_options): Add --warn-search-mismatch.
1840 * parameters.cc (Parameters::is_compatible_target): New function.
1841 * parameters.h (class Parameters): Declare is_compatible_target.
1842 * workqueue.cc (Workqueue::add_blocker): New function.
1843 * workqueue.h (class Workqueue): Declare add_blocker.
1845 * fileread.cc (Input_file::open): Remove options parameter.
1847 (Input_file::open_binary): Likewise.
1848 * script.cc (read_input_script): Likewise.
1849 * readsyms.h (class Read_symbols): Remove options_ field. Remove
1850 options parameter from constructor. Change all callers.
1851 (class Read_script): Likewise.
1852 * fileread.h (class Input_file): Update declarations.
1853 * script.h (read_input_script): Update declaration.
1855 2009-03-10 Nick Clifton <nickc@redhat.com>
1857 * po/es.po: New Spanish translation.
1859 2009-03-06 Cary Coutant <ccoutant@google.com>
1861 * options.cc (parse_short_option): Keep dash_z from registering itself.
1863 2009-03-03 Ian Lance Taylor <iant@google.com>
1866 * target-reloc.h (relocate_section): Pass output_section to
1868 * i386.cc (Target_i386::should_apply_static_reloc): Add
1869 output_section parameter. Change all callers.
1870 (Target_i386::Relocate::relocate): Add output_section parameter.
1871 * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
1872 * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
1873 * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
1874 * testsuite/two_file_shared.sh: New script.
1875 * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
1876 (check_DATA): Add two_file_shared.dbg.
1877 (two_file_shared.dbg): New target.
1878 * testsuite/Makefile.in: Rebuild.
1880 2009-03-01 Ian Lance Taylor <iant@google.com>
1882 * configure.ac: Check for byteswap.h.
1883 * configure: Rebuild.
1884 * config.in: Rebuild.
1886 2009-03-01 Mikolaj Zalewski <mikolajz@google.com>
1888 * layout.cc (Layout::find_or_add_kept_section): New function.
1889 (Layout::add_comdat): Removed.
1890 * layout.h (struct Kept_section): Move out of class Layout.
1891 Remove trailing underscores from field names. Add group_sections
1892 field. Rename group_ field to is_group. Change all uses.
1893 (class Layout): Declare find_or_add_kept_section, not add_comdat.
1894 * object.cc (Sized_relobj::Sized_relobj): Don't initialize
1895 comdat_groups_ field.
1896 (Sized_relobj::include_section_group): Use
1897 find_or_add_kept_section and Kept_section::group_sections.
1898 (Sized_relobj::include_linkonce_section): Likewise.
1899 * object.cc (class Sized_relobj): Don't define Comdat_group or
1900 Comdat_group_table. Remove find_comdat_group and
1901 add_comdat_group. Remove comdat_groups_ field.
1902 * plugin.cc (include_comdat_group): Use
1903 Layout::find_or_add_kept_section.
1905 2009-02-28 Ian Lance Taylor <iant@google.com>
1907 * README: --gc-sections and map files are now supported. Document
1908 some build requirements.
1911 * symtab.cc (Symbol_table::sized_write_section_symbol): In a
1912 relocatable link set the value of the section symbol to zero.
1913 * object.cc (Sized_relobj::do_finalize_local_symbols): In a
1914 relocatable link don't include the section address in the local
1917 2009-02-27 Ian Lance Taylor <iant@google.com>
1920 * options.h (class Search_directory): Add is_system_directory.
1921 (class General_options): Declare is_in_system_directory.
1922 * options.cc (get_relative_sysroot): Make static.
1923 (get_default_sysroot): Make static.
1924 (General_optoins::is_in_system_directory): New function.
1925 * fileread.cc (Input_file::is_in_system_directory): New function.
1926 * fileread.h (class Input_file): Declare is_in_system_directory.
1927 * object.h (class Object): Add is_in_system_directory.
1928 (class Input_objects): Remove system_library_directory_ field.
1929 * object.cc (Input_objects::add_object): Don't set
1930 system_library_directory_.
1931 (input_objects::found_in_system_library_directory): Remove.
1932 * symtab.cc (Symbol_table::write_globals): Remove input_objects
1933 parameter. Change all callers.
1934 (Symbol_table::sized_write_globals): Likewise.
1935 (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
1936 Call Object::is_in_system_directory.
1937 * symtab.h (class Symbol_table): Update declarations.
1940 * descriptors.h (Open_descriptor): Add is_on_stack field.
1941 * descriptors.cc (Descriptors::open): If the descriptor is on the
1942 top of the stack, remove it. Initialize is_on_stack field.
1943 (Descriptors::release): Only add pod to stack if it is not on the
1945 (Descriptors::close_some_descriptor): Clear stack_next and
1949 * output.cc (Output_section::find_starting_output_address): Rename
1950 from starting_output_address; add PADDR parameter; change return
1952 * output.h (class Output_section): Declare
1953 find_starting_output_address instead of starting_output_address.
1954 * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
1955 section symbol for which we can't find a merge section.
1958 * symtab.cc (Symbol_table::add_from_object): If the visibility is
1959 hidden or internal, force the symbol to be local.
1960 * resolve.cc (Symbol::override_visibility): Define.
1961 (Symbol::override_base): Use override_visibility.
1962 (Symbol_table::resolve): Likewise.
1963 (Symbol::override_base_with_special): Likewise.
1964 (Symbol_table::override_with_special): If the visibility is hidden
1965 or internal, force the symbol to be local.
1966 * symtab.h (class Symbol): Add set_visibility and
1967 override_visibility.
1968 * testsuite/ver_test_1.sh: New file.
1969 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
1970 (check_DATA): Add ver_test_1.syms.
1971 (ver_test_1.syms): New target.
1972 * testsuite/Makefile.in: Rebuild.
1974 2009-02-25 Cary Coutant <ccoutant@google.com>
1976 * layout.cc (Layout::choose_output_section): Don't rename sections
1977 when using a linker script that has a SECTIONS clause.
1978 * Makefile.in: Regenerate.
1980 * testsuite/Makefile.am (script_test_5.sh): New test case.
1981 * testsuite/Makefile.in: Regenerate.
1982 * testsuite/script_test_5.cc: New file.
1983 * testsuite/script_test_5.sh: New file.
1984 * testsuite/script_test_5.t: New file.
1986 2009-02-13 Rafael Avila de Espindola <espindola@google.com>
1988 * archive.cc (Archive::include_member): Update calls to add_symbols.
1989 * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
1990 the Layout argument.
1991 * dynobj.h (do_add_symbols): Add the Layout argument.
1992 * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
1994 * object.h (Object::add_symbols): Add the Layout argument.
1995 (Object::do_add_symbols): Add the Layout argument.
1996 (Sized_relobj::do_add_symbols): Add the Layout argument.
1997 * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
1998 Unify the two versions.
1999 (Add_plugin_symbols): Remove.
2000 * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
2001 (Sized_pluginobj::do_add_symbols): Unify the two versions.
2002 (Add_plugin_symbols): Remove.
2003 * readsyms.cc (Read_symbols::do_read_symbols): Update call to
2004 Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
2005 (Add_symbols::run): Make it work with Pulginobj.
2007 2009-02-06 Ian Lance Taylor <iant@google.com>
2009 * object.cc (Sized_relobj::do_layout): Make info message start
2010 with lower case letter.
2012 2009-02-06 Mikolaj Zalewski <mikolajz@google.com>
2014 * binary.cc: Fix file comment.
2016 * options.h (enum Incremental_disposition): Define.
2017 (class General_options): Add new options: --incremental,
2018 --incremental_changed, --incremental_unchanged,
2019 --incremental_unknown. Add incremental_disposition_ and
2020 implicit_incremental_ fields.
2021 (General_options::incremental_disposition): New function.
2022 (class Position_dependent_options): Add incremental_disposition
2024 (Position_dependent_options::copy_from_options): Set incremental
2026 * options.cc (General_options::parse_incremental_changed): New
2028 (General_options::parse_incremental_unchanged): New function.
2029 (General_options::parse_incremental_unknown): New function.
2030 (General_options::General_options): Initialize new fields
2031 incremental_disposition_ and implicit_incremental_.
2032 (General_options::finalize): Check for uasge of --incremental-*
2033 without --incremental.
2035 2009-02-06 Chris Demetriou <cgd@google.com>
2037 * gold.h (gold_undefined_symbol): Change to take only a Symbol
2038 pointer and to report location as the file name associated with
2040 (gold_undefined_symbol_at_location): New function to replace the
2041 old gold_undefined_symbol functionality.
2042 * target-reloc.h (relocate_section): Update to use
2043 gold_undefined_symbol_at_location.
2044 * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
2045 Call gold_undefined_symbol function rather than gold_error.
2046 * errors.h (Errors::undefined_symbol): Take location as a
2047 string, rather than calculating it from a relocation.
2048 * errors.cc (Errors::fatal): Print "fatal error:" before the
2050 (Errors::error, Errors::error_at_location): Print "error: "
2051 before the formatted message.
2052 (Errors::undefined_symbol): Take location as a string, rather
2053 than calculating it from a relocation.
2054 (gold_undefined_symbol_at_location): New function akin to
2055 old gold_undefined_symbol, calculates location from relocation.
2056 (gold_undefined_symbol): Change to take only a Symbol pointer
2057 and to report location as the file name associated with the symbol.
2058 * testsuite/debug_msg.sh: Update for changed error messages.
2059 * testsuite/undef_symbol.sh: Likewise.
2061 2009-02-04 Duncan Sands <baldrick@free.fr>
2064 * reduced_debug_output.h
2065 (Output_reduced_debug_abbrev_section::failed): Use format for
2067 (Output_reduced_debug_info_section::faild): Likewise.
2069 2009-01-31 Mikolaj Zalewski <mikolajz@google.com>
2071 * script.cc (Lazy_demangler): New class.
2072 (Version_script_info::get_symbol_version_helper): Demangle a
2075 2009-01-29 Cary Coutant <ccoutant@google.com>
2077 * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
2079 * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
2081 2009-01-28 Ian Lance Taylor <iant@google.com>
2083 * version.cc (version_string): Bump to 1.9.
2085 * gold.h: Include <cstring> and <stdint.h>.
2086 * version.cc: Include <cstdio>.
2087 * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
2089 * reduced_debug_output.cc (insert_into_vector): Rename from
2090 Insert_into_vector; change all callers. Use Swap_unaligned to
2091 avoid aliasing issue; remove union since it is unnecessary.
2093 2009-01-27 Sriraman Tallam <tmsriram@google.com>
2095 * Makefile.am (CCFILES): Add gc.cc.
2097 * Makefile.in: Regenerate.
2098 * gold.cc (Gc_runner): New class.
2099 (queue_initial_tasks): Call garbage collection related tasks
2100 when corresponding options are invoked.
2101 (queue_middle_gc_tasks): New function.
2102 (queue_middle_tasks): Reorder tasks to allow relocs to be read and
2103 processed early before laying out sections during garbage collection.
2104 * gold.h (queue_middle_gc_tasks): New function.
2105 (is_prefix_of): Move from "layout.cc".
2106 * i386.cc (Target_i386::gc_process_relocs): New function.
2107 * layout.cc (is_prefix_of): Remove. Move to "gold.h"
2108 * main.cc (main): Create object of class "Garbage_collection".
2109 * object.cc (Relobj::copy_symbols_data): New function.
2110 (Relobj::is_section_name_included): New function.
2111 (Sized_relobj::do_layout): Allow this function to be called twice
2112 during garbage collection and defer layout of section during the
2114 * object.h (Relobj::get_symbols_data): New function.
2115 (Relobj::is_section_name_included): New function.
2116 (Relobj::copy_symbols_data): New function.
2117 (Relobj::set_symbols_data): New function.
2118 (Relobj::get_relocs_data): New function.
2119 (Relobj::set_relocs_data): New function.
2120 (Relobj::is_output_section_offset_invalid): New pure virtual function.
2121 (Relobj::gc_process_relocs): New function.
2122 (Relobj::do_gc_process_relocs): New pure virtual function.
2123 (Relobj::sd_): New data member.
2124 (Sized_relobj::is_output_section_offset_invalid): New function.
2125 (Sized_relobj::do_gc_process_relocs): New function.
2126 * options.h (General_options::gc_sections): Modify to not be a no-op.
2127 (General_options::print_gc_sections): New option.
2128 * plugin.cc (Plugin_finish::run): Remove function call to
2129 Plugin_manager::layout_deferred_objects. Move it to "gold.cc".
2130 * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
2131 * reloc.cc (Read_relocs::run): Add task to process relocs and
2132 determine unreferenced sections when doing garbage collection.
2133 (Gc_process_relocs): New class.
2134 (Sized_relobj::do_gc_process_relocs): New function.
2135 (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
2136 sections that are garbage collected.
2137 * reloc.h (Gc_process_relocs): New class.
2138 * sparc.cc (Target_sparc::gc_process_relocs): New function.
2139 * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
2140 symbols whose corresponding sections are garbage collected.
2141 (Symbol_table::Symbol_table): Add new parameter for the garbage
2143 (Symbol_table::gc_mark_undef_symbols): New function.
2144 (Symbol_table::gc_mark_symbol_for_shlib): New function.
2145 (Symbol_table::gc_mark_dyn_syms): New function.
2146 (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
2148 (Symbol_table::add_from_object): Likewise.
2149 (Symbol_table::add_from_relobj): When building shared objects, do not
2150 treat externally visible symbols as garbage.
2151 (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
2152 table information for static and relocatable links.
2153 * symtab.h (Symbol_table::set_gc): New function.
2154 (Symbol_table::gc): New function.
2155 (Symbol_table::gc_mark_undef_symbols): New function.
2156 (Symbol_table::gc_mark_symbol_for_shlib): New function.
2157 (Symbol_table::gc_mark_dyn_syms): New function.
2158 (Symbol_table::gc_): New data member.
2159 * target.h (Sized_target::gc_process_relocs): New pure virtual
2161 * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
2162 * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
2164 2009-01-20 Chris Faylor <me.sourceware@sourceware.org>
2166 * options.h (General_options::gc_sections): Define as a no-op for now.
2167 (General_options::no_keep_memory): Ditto.
2168 (General_options::Bshareable): Define.
2169 * options.cc (General_options::finalize): Honor -Bshareable.
2171 2009-01-20 Andreas Schwab <schwab@suse.de>
2173 * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
2174 read the value in the contents, since we don't use it. Use the
2175 template endianness when writing.
2176 (Relocate::relocate): Use it for R_PPC_REL16_HA.
2178 2009-01-19 Andreas Schwab <schwab@suse.de>
2180 * configure.tgt (powerpc64-*): Fix targ_obj.
2182 2009-01-15 Ian Lance Taylor <iant@google.com>
2184 * object.cc (Sized_relobj::write_local_symbols): Don't write out
2185 local symbols when stripping all symbols.
2187 2009-01-14 Cary Coutant <ccoutant@google.com>
2189 * output.cc (Output_reloc): Add explicit instantiations.
2191 2009-01-14 Cary Coutant <ccoutant@google.com>
2193 * archive.cc (Archive::get_elf_object_for_member): Remove call
2194 to File_read::claim_for_plugin.
2195 * descriptors.cc (Descriptors::open): Remove reference to
2197 (Descriptors::claim_for_plugin): Remove.
2198 * descriptors.h (Descriptors::claim_for_plugin): Remove.
2199 (Descriptors::is_claimed): Remove.
2200 (claim_descriptor_for_plugin): Remove.
2201 * fileread.cc (File_read::claim_for_plugin): Remove.
2202 * fileread.h (File_read::claim_for_plugin): Remove.
2203 (File_read::descriptor): Reopen descriptor if necessary.
2204 * plugin.cc (Plugin::load): Add two new APIs to transfer vector.
2205 (Plugin_manager::all_symbols_read): Add task parameter. Change
2207 (Plugin_manager::get_input_file): New function.
2208 (Plugin_manager::release_input_file): New function.
2209 (Pluginobj::Pluginobj): Add filesize parameter and initialize
2210 corresponding data member.
2211 (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
2212 and pass to base constructor. Change all callers.
2213 (get_input_file, release_input_file): New functions.
2214 (make_sized_plugin_object): Add filesize parameter. Change all callers.
2215 * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
2216 (Plugin_manager::all_symbols_read): Add task parameter.
2217 (Plugin_manager::get_input_file): New function.
2218 (Plugin_manager::release_input_file): New function.
2219 (Plugin_manager::task_): New data member.
2220 (Pluginobj::Pluginobj): Add filesize parameter.
2221 (Pluginobj::filename): New function.
2222 (Pluginobj::descriptor): New function.
2223 (Pluginobj::filesize): New function.
2224 (Pluginobj::filesize_): New data member.
2225 (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
2226 * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
2227 File_read::claim_for_plugin; use Object::unlock to unlock the file.
2229 * testsuite/Makefile.am (plugin_test_4): New test case for plugins
2230 with archive libraries.
2231 * testsuite/Makefile.in: Regenerate.
2232 * testsuite/plugin_test.c (struct sym_info): New type.
2233 (get_input_file, release_input_file): New static variables.
2234 (onload): Capture new transfer vector entries.
2235 (claim_file_hook): Stop reading at end of file according to filesize.
2236 Factor out parsing of readelf output into separate function.
2237 (all_symbols_read_hook): Exercise get_input_file and release_input_file
2238 APIs and get the source file name from the symbol table. Convert
2239 source file name to corresponding object file name. Print info
2240 message when adding new input files.
2241 (parse_readelf_line): New function.
2242 * testsuite/plugin_test_1.sh: Add checks for new info messages.
2243 * testsuite/plugin_test_2.sh: Likewise.
2244 * testsuite/plugin_test_3.sh: Likewise.
2245 * testsuite/plugin_test_4.sh: New test case.
2247 2009-01-07 Ian Lance Taylor <iant@google.com>
2249 * version.cc (version_string): Bump to 1.8.
2251 2008-12-23 Cary Coutant <ccoutant@google.com>
2253 * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
2254 * plugin.cc (Plugin_manager::finish): Rename as
2255 layout_deferred_objects. Move cleanup to separate function.
2256 (Plugin_manager::cleanup): New function.
2257 (Plugin_finish::run): Call layout_deferred_objects and cleanup
2259 * plugin.h (Plugin_manager::finish): Rename as
2260 layout_deferred_objects.
2261 (Plugin_manager::cleanup): New function.
2262 (Plugin_manager::cleanup_done): New field.
2264 2008-12-23 Cary Coutant <ccoutant@google.com>
2266 * plugin.cc (is_visible_from_outside): New function.
2267 (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
2268 so we don't return "IR only" status for exported symbols or -r links.
2270 * testsuite/Makefile.am (plugin_test_3): New test case.
2271 * testsuite/Makefile.in: Regenerate.
2272 * testsuite/plugin_test_3.sh: New file.
2274 2008-12-22 Cary Coutant <ccoutant@google.com>
2276 * object.cc (Sized_relobj::layout_section): New function.
2277 (Sized_relobj::do_layout): Defer layout of input sections until after
2278 plugin has provided replacement files.
2279 (Sized_relobj::do_layout_deferred_sections): New function.
2280 * object.h (Relobj::set_section_offset): Remove virtual keyword.
2281 (Relobj::layout_deferred_sections): New function.
2282 (Relobj::do_layout_deferred_sections): New function.
2283 (Sized_relobj::do_layout_deferred_sections): New function.
2284 (Sized_relobj::layout_section): New function.
2285 (Sized_relobj::Deferred_layout): New structure.
2286 (Sized_relobj::deferred_layout_): New field.
2287 * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
2288 Change all callers. Layout deferred sections.
2289 (class Plugin_finish): Renamed, was Plugin_cleanup. Change all
2291 (Plugin_hook::run): Move code from do_plugin_hook inline.
2292 (Plugin_hook::do_plugin_hook): Remove.
2293 * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
2294 (Plugin_manager::finish): Renamed, was cleanup.
2295 (Plugin_manager::should_defer_layout): New function.
2296 (Plugin_manager::add_deferred_layout_object): New function.
2297 (Plugin_manager::Deferred_layout_list): New type.
2298 (Plugin_manager::deferred_layout_objects_): New field.
2299 (Plugin_hook::do_plugin_hook): Remove.
2301 2008-12-17 Ian Lance Taylor <iant@google.com>
2303 * options.h (class General_options): Add --no case for
2306 2008-12-16 Cary Coutant <ccoutant@google.com>
2308 * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
2310 (Plugin_manager::claim_file): Create plugin object even if
2311 plugin did not call the add_symbols callback.
2312 (Plugin_obj::get_symbol_resolution_info): Guard against plugin
2313 asking for more symbols than were added.
2314 * testsuite/Makefile.am (plugin_test_1): Add test case with
2316 (empty.syms): New target.
2317 * testsuite/Makefile.in: Regenerate.
2318 * testsuite/plugin_test.c (claim_file_hook): Add new debug
2319 message. Don't call add_symbols if no globals.
2320 (all_symbols_read_hook): Don't provide replacement for empty
2323 2008-12-12 Ian Lance Taylor <iant@google.com>
2325 * target-reloc.h (Default_scan_relocatable_relocs): Only discard
2326 r_type == 0 for a local symbol with r_sym == 0.
2327 (scan_relocatable_relocs): Pass r_sym to
2328 local_non_section_strategy.
2329 * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
2332 * configure.ac: Update test for TLS descriptors: they are
2333 supported as of glibc 2.9.
2334 * configure: Rebuild.
2336 2008-12-11 Ian Lance Taylor <iant@google.com>
2339 * target-reloc.h (Default_scan_relocatable_relocs): For each
2340 function, map r_type == 0 to RELOC_DISCARD.
2342 2008-12-10 Cary Coutant <ccoutant@google.com>
2344 * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
2345 object to override a kept COMDAT group from a plugin object.
2347 2008-12-09 Ian Lance Taylor <iant@google.com>
2350 * yyscript.y (file_cmd): Handle INPUT.
2352 * testsuite/initpri1.c: Change all declarations to be full
2353 prototypes by adding void, to avoid compiler warnings.
2355 2008-12-05 Rafael Avila de Espindola <espindola@google.com>
2357 * options.cc (General_options::parse_plugin_opt): New.
2358 (General_options::add_plugin): The argument now is just the filename.
2359 (General_options::add_plugin_option): New.
2360 * options.h (plugin_opt): New.
2361 (add_plugin): Change argument name.
2362 (add_plugin_option): New.
2363 * plugin.cc (Plugin::load): Don't parse the plugin option.
2364 * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
2365 (Plugin::add_option): New.
2366 (Plugin::args_): Change type.
2367 (Plugin::filename_): New.
2368 (Plugin_manager::add_plugin_option): New.
2369 * testsuite/Makefile.am (plugin_test_1): Use new syntax.
2370 * testsuite/Makefile.in: Regenerate.
2372 2008-12-05 Cary Coutant <ccoutant@google.com>
2374 * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
2375 Handle --strip-lto-sections option.
2376 * options.h (strip_lto_sections): New option.
2378 2008-12-01 Cary Coutant <ccoutant@google.com>
2380 * plugin.cc (ld_plugin_message): Change format parameter to const.
2381 Fix mismatch between new[] and delete.
2383 2008-11-14 Cary Coutant <ccoutant@google.com>
2385 * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
2388 2008-11-05 Craig Silverstein <csilvers@google.com>
2390 * options.cc (General_options::parse_dynamic_list): New function.
2391 * options.h (General_options): New flags dynamic_list,
2392 dynamic_list_data, dynamic_list_cpp_new, and
2393 dynamic_list_cpp_typeinfo. New variable dynamic_list_.
2394 (General_options::in_dynamic_list): New function.
2395 * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
2396 (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
2397 (Lex::can_continue_name): Likewise.
2399 (read_script_file): New parameter script_options.
2400 (read_dynamic_list): New function.
2401 (Script_options::define_dynamic_list): New function.
2402 (dynamic_list_keyword_parsecodes): New variable.
2403 (dynamic_list_keywords): New variable.
2404 * script.h (Script_options::define_dynamic_list): New function
2406 (read_dynamic_list): New function prototype.
2407 * symtab.cc (strprefix): New macro.
2408 (Symbol::should_add_dynsym_entry): Support dynamic_list,
2409 dynamic_list_data, dynamic_list_cpp_new, and
2410 dynamic_list_cpp_typeinfo.
2411 * yyscript.y (PARSING_DYNAMIC_LIST): New token.
2412 (dynamic_list_expr): New rule.
2413 (dynamic_list_nodes): Likewise.
2414 (dynamic_list_node): Likewise.
2415 * testsuite/Makefile.am (dynamic_list): New test.
2416 * testsuite/Makefile.in: Regenerated.
2417 * testsuite/dynamic_list.t: New file.
2418 * testsuite/dynamic_list.sh: New file.
2420 2008-11-05 Craig Silverstein <csilvers@google.com>
2422 * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
2423 * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
2424 (t11_last): Likewise.
2425 * testsuite/ver_test_6.c (main): Likewise.
2427 2008-10-07 Cary Coutant <ccoutant@google.com>
2429 * options.c (General_options::finalize): Add check for -static and
2431 * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
2434 2008-10-02 Cary Coutant <ccoutant@google.com>
2436 * plugin.cc (make_sized_plugin_object): Fix conditional
2437 compilation to work when not all targets are enabled.
2439 2008-09-29 Cary Coutant <ccoutant@google.com>
2441 * archive.cc (Archive::get_file_and_offset): Use filename instead
2442 of name to get library path.
2443 (Archive::include_member): Unlock external member of a thin archive.
2445 * testsuite/Makefile.am (TEST_AR): New variable.
2446 (thin_archive_test_1): New test.
2447 (thin_archive_test_2): New test.
2448 * testsuite/Makefile.in: Regenerate.
2449 * testsuite/thin_archive_main.cc: New file.
2450 * testsuite/thin_archive_test_1.cc: New file.
2451 * testsuite/thin_archive_test_2.cc: New file.
2452 * testsuite/thin_archive_test_3.cc: New file.
2453 * testsuite/thin_archive_test_4.cc: New file.
2455 2008-09-29 Cary Coutant <ccoutant@google.com>
2457 * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
2458 * object.cc (Sized_relobj::do_layout): Use constant invalid_address
2460 (Sized_relobj::do_finalize_local_symbols): Likewise.
2461 (Sized_relobj::map_to_kept_section): Likewise.
2462 * object.h (Sized_relobj::invalid_address): New constant.
2463 (Sized_relobj::do_output_section_offset): Check for invalid_address
2465 * output.cc (Output_reloc::local_section_offset): Use constant
2466 invalid_address instead of -1U.
2467 (Output_reloc::get_address): Likewise.
2468 (Output_section::output_address): Change -1U to -1ULL.
2469 * output.h (Output_reloc::invalid_address): New constant.
2470 * reloc.cc (Sized_relobj::write_sections): Use constant
2471 invalid_address instead of -1U.
2472 (Sized_relobj::relocate_sections): Likewise.
2473 * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
2474 values for merge sections.
2475 * target-reloc.h (relocate_for_relocatable): Use constant
2476 invalid_address instead of -1U.
2478 2008-09-19 Cary Coutant <ccoutant@google.com>
2480 Add plugin functionality for link-time optimization (LTO).
2481 * configure.ac (plugins): Add --enable-plugins option.
2482 * configure: Regenerate.
2483 * config.in: Regenerate.
2484 * Makefile.am (LIBDL): New variable.
2485 (CCFILES): Add plugin.cc.
2486 (HFILES): Add plugin.h.
2487 (ldadd_var): Add LIBDL.
2488 * Makefile.in: Regenerate.
2490 * archive.cc: Include "plugin.h".
2491 (Archive::setup): Don't preread archive symbols when using a plugin.
2492 (Archive::get_file_and_offset): Add memsize parameter. Change callers.
2493 (Archive::get_elf_object_for_member): Call plugin hooks for claiming
2495 (Archive::include_member): Add symbols from plugin objects.
2496 * archive.h (Archive::get_file_and_offset): Add memsize parameter.
2497 * descriptors.cc (Descriptors::open): Check for file descriptors
2498 abandoned by plugins.
2499 (Descriptors::claim_for_plugin): New function.
2500 * descriptors.h (Descriptors::claim_for_plugin): New function.
2501 (Open_descriptor::is_claimed): New field.
2502 (claim_descriptor_for_plugin): New function.
2503 * fileread.cc (File_read::claim_for_plugin): New function.
2504 * fileread.h (File_read::claim_for_plugin): New function.
2505 (File_read::descriptor): New function.
2506 * gold.cc: Include "plugin.h".
2507 (queue_initial_tasks): Add task to call plugin hooks for generating
2509 * main.cc: Include "plugin.h".
2510 (main): Load plugin libraries.
2511 * object.h (Pluginobj): Declare.
2512 (Object::pluginobj): New function.
2513 (Object::do_pluginobj): New function.
2514 (Object::set_target): New function.
2515 * options.cc: Include "plugin.h".
2516 (General_options::parse_plugin): New function.
2517 (General_options::General_options): Initialize plugins_ field.
2518 (General_options::add_plugin): New function.
2519 * options.h (Plugin_manager): Declare.
2520 (General_options): Add --plugin option.
2521 (General_options::has_plugins): New function.
2522 (General_options::plugins): New function.
2523 (General_options::add_plugin): New function.
2524 (General_options::plugins_): New field.
2525 * plugin.cc: New file.
2526 * plugin.h: New file.
2527 * readsyms.cc: Include "plugin.h".
2528 (Read_symbols::do_read_symbols): Check for archive before checking
2529 for ELF file. Call plugin hooks to claim files.
2530 * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
2531 from a real object file; force override when processing replacement
2533 * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
2534 (Symbol::init_base_object): Likewise.
2535 (Symbol::init_base_output_data): Likewise.
2536 (Symbol::init_base_output_segment): Likewise.
2537 (Symbol::init_base_constant): Likewise.
2538 (Symbol::init_base_undefined): Likewise.
2539 (Symbol::output_section): Assert that object is not a plugin.
2540 (Symbol_table::add_from_pluginobj): New function.
2541 (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
2543 (Symbol_table::sized_write_globals): Likewise.
2544 (Symbol_table::add_from_pluginobj): Instantiate template.
2545 * symtab.h (Sized_pluginobj): Declare.
2546 (Symbol::in_real_elf): New function.
2547 (Symbol::set_in_real_elf): New function.
2548 (Symbol::in_real_elf_): New field.
2549 (Symbol_table::add_from_pluginobj): New function.
2551 * testsuite/Makefile.am (AM_CFLAGS): New variable.
2552 (LIBDL): New variable.
2554 (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
2555 (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
2556 (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
2557 (MOSTLYCLEANFILES): Likewise.
2558 * testsuite/Makefile.in: Regenerate.
2559 * testsuite/plugin_test.c: New file.
2560 * testsuite/plugin_test_1.sh: New file.
2561 * testsuite/plugin_test_2.sh: New file.
2563 2008-09-16 Ian Lance Taylor <iant@google.com>
2565 * target-reloc.h (relocate_section): Check whether a symbol is
2566 defined by the ABI before reporting an undefined symbol error.
2567 * target.h (Target::is_defined_by_abi): Make parameter const.
2568 (Target::do_is_defined_by_abi): Likewise.
2569 * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
2570 * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
2571 * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
2572 * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
2573 * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
2574 * testsuite/Makefile.in: Rebuild.
2576 * fileread.cc (make_view): Add casts to avoid warning.
2578 2008-09-16 Alexandre Oliva <aoliva@redhat.com>
2580 * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
2581 * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
2583 2008-09-16 Alexandre Oliva <aoliva@redhat.com>
2585 * options.h (General_options::output_is_executable): New.
2586 (General_options::output_is_pie): New.
2587 * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
2588 for shared libraries.
2589 * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
2591 2008-09-11 Chris Demetriou <cgd@google.com>
2593 * options.h (origin): New -z option.
2594 * layout.cc (Layout:finish_dynamic_section): If "-z origin"
2595 is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
2598 2008-09-05 Cary Coutant <ccoutant@google.com>
2600 * fileread.cc (File_read::make_view): Add check for attempt to map
2603 2008-09-05 Cary Coutant <ccoutant@google.com>
2605 * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
2606 explicit instantiations.
2608 2008-08-28 Kris Van Hees <kris.van.hees@oracle.com>
2611 * options.cc (General_options::finalize): Allow undefined symbols
2612 in shlibs if linking -shared.
2615 * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
2616 symbols as not needing a dynsym entry.
2618 2008-08-20 Craig Silverstein <csilvers@google.com>
2620 * fileread.cc (File_read::open): Do not lock the file unless it
2621 was successfully opened.
2623 2008-08-14 Cary Coutant <ccoutant@google.com>
2625 * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
2626 Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
2627 * testsuite/tls_test.cc (struct int128): 128-bit struct
2628 for testing TLS relocs with non-zero addend.
2629 (v12): New TLS variable.
2631 (t_last): Add check for v12.
2632 * testsuite/tls_test.h (t12): New function.
2633 * testsuite/tls_test_main.cc (thread_routine): Call new test.
2635 2008-08-13 Ian Lance Taylor <iant@google.com>
2637 * layout.cc (Layout::attach_allocated_section_to_segment): Don't
2638 set tls_segment_ or relro_segment_.
2639 (Layout::make_output_segment): Set tls_segment_ and relro_segment_
2641 * output.h (Output_section::clear_is_relro): New function.
2642 * output.cc (Output_segment::add_output_section): Handle SHF_TLS
2643 sections specially even when output_data_ is empty.
2644 (Output_segment::maximum_alignment): When first section is relro,
2645 only force alignment for PT_LOAD segments.
2646 * script.cc (script_data_segment_align): New function.
2647 (script_data_segment_relro_end): New function.
2648 * script-c.h (script_data_segment_align): Declare.
2649 (script_data_segment_relro_end): Declare.
2650 * script-sections.h (class Script_sections): Declare
2651 data_segment_align and data_segment_relro_end. Add fields
2652 segment_align_index_ and saw_relro_end_.
2653 * script-sections.cc (class Sections_element): Add set_is_relro
2654 virtual function. Add new bool* parameter to place_orphan_here.
2655 Add get_output_section virtual function.
2656 (class Output_section_definition): Add set_is_relro. Add new
2657 bool* parameter to place_orphan_here. Add get_output_section.
2658 Add is_relro_ field.
2659 (Output_section_definition::Output_section_definition): Initialize
2660 evaluated_address_, evaluated_load_address, evaluated_addralign_,
2661 and is_relro_ fields.
2662 (Output_section_definition::place_orphan_here): Add is_relro
2664 (Output_section_definition::set_section_addresses): Set relro for
2666 (Output_section_definition::alternate_constraint): Likewise.
2667 (class Orphan_output_section): Add new bool* parameter to
2668 place_orphan_here. Add get_output_section.
2669 (Orphan_output_section::place_orphan_here): Add is_relro
2671 (Script_sections::Script_sections): Initialize
2672 data_segment_align_index_ and saw_relro_end_.
2673 (Script_sections::data_segment_align): New function.
2674 (Script_sections::data_segment_relro_end): New function.
2675 (Script_sections::place_orphan): Set or clear is_relro.
2676 (Script_sections::set_section_addresses): Force alignment of first
2678 * yyscript.y (exp): Call script_data_segment_align and
2679 script_data_segment_relro_end.
2680 * testsuite/relro_script_test.t: New file.
2681 * testsuite/relro_test.cc (using_script): Declare.
2682 (t1, t2): Test using_script.
2683 * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
2684 (relro_script_test_SOURCES): Define.
2685 (relro_script_test_DEPENDENCIES): Define.
2686 (relro_script_test_LDFLAGS): Define.
2687 (relro_script_test_LDADD): Define.
2688 (relro_script_test.so): New target.
2689 * testsuite/Makefile.in: Rebuild.
2691 2008-08-06 Cary Coutant <ccoutant@google.com>
2693 * archive.cc (Archive::total_archives, Archive::total_members)
2694 (Archive::total_members_loaded): New variables.
2695 (Archive::setup): Add parameter. Add option to preread
2697 (Archive::read_armap): Add counter.
2698 (Archive::get_file_and_offset): New function.
2699 (Archive::get_elf_object_for_member): New function.
2700 (Archive::read_all_symbols): New function.
2701 (Archive::read_symbols): New function.
2702 (Archive::add_symbols): Add counters.
2703 (Archive::include_all_members): Use armap to find members if it's
2705 (Archive::include_member): Skip reading symbols if already read.
2706 Factored code into Archive::get_file_and_offset and
2707 Archive::get_elf_object_for_member. Changed call to
2708 Mapfile::report_include_archive_member.
2709 (Archive::print_stats): New function.
2710 * archive.h: Declare Object and Read_symbols_data classes.
2711 (Archive::Archive): Add initializers for new members.
2712 (Archive::setup): Add parameter.
2713 (Archive::print_stats): New function.
2714 (Archive::total_archives, Archive::total_members)
2715 (Archive::total_members_loaded): New variables.
2716 (Archive::get_file_and_offset): New function.
2717 (Archive::get_elf_object_for_member): New function.
2718 (Archive::read_all_symbols): New function.
2719 (Archive::read_symbols): New function.
2720 (Archive::Archive_member): New class.
2721 (Archive::members_): New member.
2722 (Archive::num_members_): New member.
2723 * main.cc: Include archive.h.
2724 (main): Call Archive::print_stats.
2725 * mapfile.cc (Mapfile::report_include_archive_member): Delete
2726 archive parameter; member_name is now the fully-decorated name.
2727 * mapfile.h (Mapfile::report_include_archive_member): Likewise.
2728 * options.h: (General_options): Add --preread-archive-symbols option.
2729 * readsyms.cc (Read_symbols::do_read_symbols): Change call to
2732 2008-08-04 Ian Lance Taylor <iant@google.com>
2734 * symtab.h (Symbol::use_plt_offset): New function.
2735 * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
2736 * powerpc.cc (Relocate::relocate): Likewise.
2737 * sparc.cc (Relocate::relocate): Likewise.
2738 * x86_64.cc (Relocate::relocate): Likewise.
2739 * testsuite/weak_plt.sh: New test.
2740 * testsuite/weak_plt_main.cc: New test.
2741 * testsuite/weak_plt_shared.cc: New test.
2742 * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
2743 (check_PROGRAMS): Add weak_plt.
2744 (check_DATA): Add weak_plt_shared.so.
2745 (weak_plt_main_pic.o, weak_plt): New targets.
2746 (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
2747 * testsuite/Makefile.in: Rebuild.
2749 * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
2751 (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
2752 * testsuite/Makefile.in: Rebuild.
2754 2008-08-04 Alan Modra <amodra@bigpond.net.au>
2756 * Makefile.am (POTFILES.in): Set LC_ALL=C.
2757 * Makefile.in: Regenerate.
2758 * po/POTFILES.in: Regenerate.
2760 2008-07-29 Ian Lance Taylor <iant@google.com>
2762 * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
2763 symbols before other symbols.
2764 * testsuite/script_test_2.cc (test_addr): Declare.
2765 (test_addr_alias): Declare.
2766 (main): Check that test_addr and test_addr_alias have the right
2768 * testsuite/script_test_2.t: Define test_addr_alias and
2771 2008-07-24 Ian Lance Taylor <iant@google.com>
2774 * descriptors.cc: New file.
2775 * descriptors.h: New file.
2776 * gold-threads.h (class Hold_optional_lock): New class.
2777 * fileread.cc: Include "descriptors.h".
2778 (File_read::~File_read): Release descriptor rather than closing
2780 (File_read::open) [file]: Call open_descriptor rather than open.
2781 Set is_descriptor_opened_.
2782 (File_read::open) [memory]: Assert that descriptor is not open.
2783 (File_read::reopen_descriptor): New function.
2784 (File_read::release): Release descriptor.
2785 (File_read::do_read): Make non-const. Reopen descriptor.
2786 (File_read::read): Make non-const.
2787 (File_read::make_view): Reopen descriptor.
2788 (File_read::do_readv): Likewise.
2789 * fileread.h (class File_read): Add is_descriptor_opened_ field.
2790 Update declarations.
2791 * layout.cc: Include "descriptors.h".
2792 (Layout::create_build_id): Use open_descriptor rather than open.
2793 * output.cc: Include "descriptors.h".
2794 (Output_file::open): Use open_descriptor rather than open.
2795 * archive.cc (Archive::const_iterator): Change Archive to be
2797 (Archive::begin, Archive::end): Make non-const.
2798 (Archive::count_members): Likewise.
2799 * archive.h (class Archive): Update declarations.
2800 * object.h (Object::read): Make non-const.
2801 * Makefile.am (CCFILES): Add descriptors.cc.
2802 (HFILES): Add descriptors.h.
2803 * Makefile.in: Rebuild.
2806 * gold.h: Always include <clocale>. Add Solaris workarounds
2807 following code in binutils/sysdep.h.
2810 * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
2811 this->eh_frame_hdr_ is NULL before using it.
2813 * dynobj.cc (Versions::Versions): Update comment.
2815 * dynobj.cc (Versions::Versions): If there is an soname, use it as
2816 the base version name.
2818 * stringpool.cc (Stringpool_template::add_with_length): Set key to
2819 array size plus one.
2820 (Stringpool_template::set_string_offsets): Subtract one from key
2821 before using it as an array index.
2822 (Stringpool_template::get_offset_with_length): Likewise.
2823 (Stringpool_template::write_to_buffer): Likewise.
2824 * stringpool.h (Stringpool_template::get_offset_from_key):
2827 2008-07-23 Ian Lance Taylor <iant@google.com>
2830 * object.h (Merged_symbol_value::value): Do our best to handle a
2834 * script.cc (Version_script_info::get_versions): Don't add empty
2835 version tag to return value.
2836 (Version_script_info::get_symbol_version_helper): Change return
2837 type to bool. Add pversion parameter. Change all callers.
2838 (script_register_vers_node): Don't require a non-NULL tag.
2839 * script.h (class Version_script_info): Update declarations.
2840 (Version_script_info::get_symbol_version): Change return type to
2841 bool. Add version parameter. Change all callers.
2842 * symtab.cc (Sized_symbol::add_from_relobj): Rework version
2843 handling. Handle an empty version from a version script.
2844 (Symbol_table::define_special_symbol): Likewise.
2845 * testsuite/ver_test_10.script: New file.
2846 * testsuite/ver_test_10.sh: New file.
2847 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
2848 (check_DATA): Add ver_test_10.syms.
2849 (ver_test_10.syms, ver_test_10.so): New target.
2850 * testsuite/Makefile.in: Rebuild.
2852 2008-07-23 Simon Baldwin <simonb@google.com>
2854 * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
2855 to zero for undefined symbols from dynamic libraries.
2857 2008-07-23 Ian Lance Taylor <iant@google.com>
2859 * symtab.cc (Symbol_table::resolve): Remove version parameter.
2861 * symtab.h (class Symbol_table): Update declaration.
2862 * testsuite/ver_test_9.cc: New file.
2863 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
2864 (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
2865 (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
2866 (ver_test_9.so, ver_test_9.o): New targets.
2867 * testsuite/Makefile.in: Rebuild.
2869 2008-07-22 Ian Lance Taylor <iant@google.com>
2871 * options.h (class General_options): Define --check-sections.
2872 * layout.cc (Layout::set_segment_offsets): Handle
2875 * options.h (class General_options): Define -n/--nmagic and
2877 * options.cc (General_options::finalize): For -n/--nmagic or
2878 -N/--omagic, set -static.
2879 * layout.cc (Layout::attach_allocated_section_to_segment): If
2880 -N/--omagic, don't put read-only and read-write sections in
2882 (Layout::find_first_load_seg): If -N/--omagic, don't insist on
2883 finding a read-only segment.
2884 (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
2885 don't set the minimum segment alignment to the common page size,
2886 and don't set the file offset to the address modulo the page size.
2887 * script-sections.cc (Script_sections::create_segments): If
2888 -n/--omagic, don't put read-only and read-write sections in
2891 * cref.cc: New file.
2893 * options.h (class General_options): Add --print-symbol-counts.
2894 * main.cc (main): Issue defined symbol report if requested.
2895 * archive.cc (Archive::interpret_header): Make into a const member
2897 (Archive::add_symbols): Call Input_objects::archive_start and
2899 (Archive::const_iterator): Define new class.
2900 (Archive::begin, Archive::end): New functions.
2901 (Archive::include_all_members): Rewrite to use iterator.
2902 (Archive::count_members): New function.
2903 * archive.h (class Archive): Update declarations.
2904 (Archive::filename): New function.
2905 * object.cc: Include "cref.h".
2906 (Sized_relobj::Sized_relobj): Initialize defined_count_.
2907 (Sized_relobj::do_get_global_symbol_counts): New function.
2908 (Input_objects::add_object): Add object to cross-referencer.
2909 (Input_objects::archive_start): New function.
2910 (Input_objects::archive_stop): New function.
2911 (Input_objects::print_symbol_counts): New function.
2912 * object.h: Declare Cref and Archive.
2913 (Object::get_global_symbol_counts): New function.
2914 (Object::do_get_global_symbol_counts): New pure virtual function.
2915 (class Sized_relobj): Add defined_count_ field. Update
2917 (class Input_objects): Add cref_ field. Update constructor.
2918 Update declarations.
2919 * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
2921 (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
2923 (Sized_dynobj::do_get_global_symbol_counts): New function.
2924 * dynobj.h (class Sized_dynobj): Add fields symbols_ and
2925 defined_count_. Update declarations. Define Symbols typedef.
2926 * symtab.cc (Symbol_table::add_from_relobj): Add defined
2927 parameter. Change all callers.
2928 (Symbol_table::add_from_dynobj): Add sympointers and defined
2929 parameters. Change all callers.
2930 * symtab.h (class Symbol_table): Update declarations.
2931 * Makefile.am (CCFILES): Add cref.cc.
2932 (HFILES): Add cref.h.
2933 * Makefile.in: Rebuild.
2935 2008-07-22 Simon Baldwin <simonb@google.com>
2937 * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
2938 to zero when writing undefined symbols.
2940 2008-07-22 Ian Lance Taylor <iant@google.com>
2942 * output.cc (Output_section::add_input_section): Don't try to
2943 merge empty merge sections.
2945 2008-07-21 Craig Silverstein <csilvers@google.com>
2947 * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
2948 Include symbol version in error message.
2950 2008-07-20 Chris Demetriou <cgd@google.com>
2952 * configure.ac (gold_cv_c_random_seed): New configured variable.
2953 (RANDOM_SEED_CFLAGS): New substituted variable.
2954 * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
2955 * configure: Rebuild.
2956 * Makefile.in: Likewise.
2957 * testsuite/Makefile.in: Likewise.
2959 2008-07-18 Ian Lance Taylor <iant@google.com>
2961 * symtab.cc (Symbol_table::add_from_object): Rewrite the case
2962 where we see NAME/NULL and NAME/VERSION as separate symbols.
2963 * testsuite/ver_test_main.cc (main): Call t4.
2964 (t4, t4_2a): Define.
2965 * testsuite/ver_test_2.cc (t4_2): Define.
2966 * testsuite/ver_test_2.script: Put t4_2a in VER2.
2967 * testsuite/ver_test_4.cc (t4_2a): Define.
2968 * testsuite/ver_test_4.script: Put t4_2a in VER2.
2969 * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
2971 2008-07-17 Ian Lance Taylor <iant@google.com>
2973 * dynobj.cc (Versions::add_def): If we give an error about a
2974 missing version, go ahead and create the version anyhow.
2976 2008-07-10 Ian Lance Taylor <iant@google.com>
2978 Handle output sections with more than 0x7fffffff bytes.
2979 * object.h (class Relobj): Change map_to_output_ to
2980 output_sections_, and just keep a section pointer. Change all
2981 uses. Move comdat group support to Sized_relobj.
2982 (Relobj::is_section_specially_mapped): Remove.
2983 (Relobj::output_section): Remove poff parameter. Change all
2985 (Relobj::output_section_offset): New function.
2986 (Relobj::set_section_offset): Rewrite.
2987 (Relobj::map_to_output): Remove.
2988 (Relobj::output_sections): New function.
2989 (Relobj::do_output_section_offset): New pure virtual function.
2990 (Relobj::do_set_section_offset): Likewise.
2991 (class Sized_relobj): Add section_offsets_ field. Add comdat
2992 group support from Relobj. Update declarations.
2993 (Sized_relobj::get_output_section_offset): New function.
2994 (Sized_relobj::do_output_section_offset): New function.
2995 (Sized_relobj::do_set_section_offset): New function.
2996 * object.cc (Relobj::output_section_address): Remove.
2997 (Sized_relobj::Sized_relobj): Initialize new fields.
2998 (Sized_relobj::include_section_group): Cast find_kept_object to
3000 (Sized_relobj::include_linkonce_section): Likewise.
3001 (Sized_relobj::do_layout): Use separate arrays for output section
3003 (Sized_relobj::do_count_local_symbols): Change map_to_output to
3005 (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
3006 output_sections and section_offsets.
3007 (Sized_relobj::write_local_symbols): Likewise.
3008 (map_to_kept_section): Compute output address directly.
3009 * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
3010 output_sections and section_offsets.
3011 (Sized_relobj::write_sections): Likewise.
3012 (Sized_relobj::relocate_sections): Likewise.
3013 * symtab.cc (sized_finalize_symbol): Use output_section_offset.
3014 * output.h (class Output_reloc): Update declarations. Change
3015 u2_.relobj to Sized_relobj*.
3016 (class Output_data_reloc): Change add functions to use
3018 * output.cc (Output_reloc::Output_reloc): Change relobj to
3020 (Output_reloc::local_section_offset): Change return type to
3021 Elf_Addr. Use get_output_section_offset.
3022 (Output_reloc::get_address): Likewise.
3023 (Output_section::is_input_address_mapped): Don't call
3024 is_section_specially_mapped.
3025 (Output_section::output_offset): Likewise.
3026 (Output_section::output_address): Likewise.
3027 (Output_section::starting_output_address): Likewise.
3028 * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
3029 parameter to Sized_relobj*.
3030 (Copy_relocs::need_copy_reloc): Likewise.
3031 (Copy_relocs::save): Likewise.
3032 * copy-relocs.h (class Copy_relocs): Update declarations.
3033 (class Copy_relocs::Copy_reloc_entry): Change constructor to use
3034 Sized_relobj*. Change relobj_ field to Sized_relobj*.
3035 * target-reloc.h (relocate_for_relocatable): Change
3036 offset_in_output_section type to Elf_Addr. Change code that uses
3038 * layout.cc (Layout::layout): Always set *off.
3039 * mapfile.cc (Mapfile::print_input_section): Use
3040 output_section_offset.
3041 * i386.cc (Target_i386::copy_reloc): Change object parameter to
3043 * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
3044 * sparc.cc (Target_sparc::copy_reloc): Likewise.
3045 * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
3047 2008-07-03 Ian Lance Taylor <iant@google.com>
3049 * layout.cc (Layout::include_section): Do not discard unrecognized
3050 SHT_STRTAB sections.
3052 2008-06-30 Craig Silverstein <csilvers@cs.stanford.edu>
3054 * script.cc (Lex::can_continue_name): Make '?' allowable in
3055 version-script names.
3056 * testsuite/version_script.map: Change glob pattern to use '?'
3058 2008-06-30 Manish Singh <yosh@gimp.org>
3061 * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
3064 2008-06-30 Ian Lance Taylor <iant@google.com>
3068 * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
3069 versions]: Don't try to read the value in the contents, since we
3070 don't use it. Use the template endianness when writing.
3072 2008-06-25 Cary Coutant <ccoutant@google.com>
3074 * fileread.cc (File_read::make_view): Assert on zero-length view.
3075 * object.cc (Sized_relobj::do_read_symbols): Don't try to read
3076 symbol table when there are no symbols to read.
3078 2008-06-23 Craig Silverstein <csilvers@google.com>
3080 * version.cc (version_string): Bump to 1.7
3082 2008-06-18 Craig Silverstein <csilvers@google.com>
3084 * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
3085 constant 0xFFFF to type Valtype.
3086 (Powerpc_relocate_functions::rel16_ha): Likewise.
3088 2008-06-17 Ian Lance Taylor <iant@google.com>
3090 * output.h (Output_section::Input_section): Initialize p2align_ to
3091 zero for Output_section_data constructors.
3092 (Output_section::Input_section::addralign): If not an input
3093 section, return the alignment of the Output_section_data.
3094 * testsuite/copy_test.cc: New file.
3095 * testsuite/copy_test_1.cc: New file.
3096 * testsuite/copy_test_2.cc: New file.
3097 * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
3098 (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
3099 (copy_test_LDFLAGS, copy_test_LDADD): New variables.
3100 (copy_test_1_pic.o, copy_test_1.so): New targets.
3101 (copy_test_2_pic.o, copy_test_2.so): New targets.
3102 * testsuite/Makefile.in: Rebuild.
3104 * script-sections.cc (Script_sections::place_orphan): Initialize
3105 local variable exact.
3107 2008-06-13 David Edelsohn <edelsohn@gnu.org>
3109 * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
3111 2008-06-12 David Edelsohn <edelsohn@gnu.org>
3112 David S. Miller <davem@davemloft.net>
3114 * powerpc.cc: New file.
3115 * Makefile.am (TARGETSOURCES): Add powerpc.cc
3116 (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
3117 * configure.tgt: Add entries for powerpc-* and powerpc64-*.
3118 * Makefile.in: Rebuild.
3120 2008-06-09 Ian Lance Taylor <iant@google.com>
3122 * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
3124 (throwing, orig_terminate): New static variables.
3125 (terminate_handler): New static function.
3126 (t2): Set terminate handler.
3128 2008-06-05 Kris Van Hees <kris.van.hees@oracle.com>
3131 * binary.cc (Binary_to_elf::sized_convert): Fix .data
3134 2008-05-30 Cary Coutant <ccoutant@google.com>
3136 * archive.cc (Archive::include_all_members) Correct to step
3137 over symbol table and extended name table in thin archives.
3139 2008-05-29 Kris Van Hees <kris.van.hees@oracle.com>
3142 * target-reloc.h (relocate_for_relocatable): Fix new_offset
3145 2008-05-28 Caleb Howe <cshowe@google.com>
3147 * reduced_debug_output.cc: New file.
3148 * reduced_debug_output.h: New file.
3149 * options.h (class General_options): Add --strip-debug-non-line.
3150 * options.cc (General_options::finalize): Add strip_debug_non_line
3151 to the strip heirarchy.
3152 * layout.h (class Layout): Add debug_abbrev_ and debug_info_
3154 * layout.cc: Include "reduced_debug_output.h".
3155 (Layout::Layout): Initialize new fields.
3156 (line_only_debug_sections): New static array.
3157 (is_lines_only_debug_sections): New static inline function.
3158 (Layout::include_section): Handle --strip-debug-non-line.
3159 (Layout::make_output_section): If --strip-debug-non-line, build
3160 new output sections for .debug_abbrev and .debug_info.
3161 * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
3162 gold. Warn about possible overflow.
3163 (read_signed_LEB_128): Likewise.
3164 * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
3165 (read_signed_LEB_128): Declare.
3166 * Makefile.am (CCFILES): Add reduced_debug_output.cc.
3167 (HFILES): Add reduced_debug_output.h.
3168 * Makefile.in: Rebuild.
3170 2008-05-21 Ian Lance Taylor <iant@google.com>
3172 * mapfile.cc: New file.
3173 * mapfile.h: New file.
3174 * options.h (class General_options): Add -M/--print-map and -Map.
3175 * options.cc (General_options::finalize): Make -M equivalent to
3177 * main.cc: Include <cstdio> and "mapfile.h".
3178 (main): Open mapfile if requested.
3179 * gold.cc (class Middle_runner): Add mapfile_ field. Update
3180 constructor. Change caller.
3181 (queue_initial_tasks): Add mapfile parameter. Change caller.
3182 (queue_middle_tasks): Likewise.
3183 * gold.h (queue_initial_tasks, queue_middle_tasks): Update
3185 * archive.cc: Include "mapfile.h".
3186 (Archive::add_symbols): Add mapfile parameter. Change all
3187 callers. Pass mapfile, symbol, and reason to include_member.
3188 (Archive::include_all_members): Add mapfile parameter. Change all
3190 (Archive::include_member): Add mapfile, sym, and why parameters.
3191 Change all callers. Report inclusion to map file.
3192 * archive.h: Include "fileread.h".
3193 (class Archive): Update declarations.
3194 (Archive::file): New const method.
3195 (class Add_archive_symbols): Add mapfile_ field. Update
3196 constructor. Change all callers.
3197 * readsyms.h (class Read_symbols): Likewise.
3198 (class Finish_group): Likewise.
3199 (class Read_script): Likewise.
3200 * common.cc: Include "mapfile.h".
3201 (Symbol_table::allocate_commons): Add mapfile parameter. Change
3203 (Symbol_table::do_allocate_commons): Likewise.
3204 (Symbol_table::do_allocate_commons_list): Likewise. Report common
3205 symbol allocation to mapfile.
3206 * common.h (class Allocate_commons_task): Add mapfile_ field.
3207 Update constructor. Change all callers.
3208 * symtab.h (class Symbol_table): Update declarations.
3209 * layout.cc: Include "mapfile.h".
3210 (Layout_task_runner::run): Print information to mapfile.
3211 (Layout::create_gold_note): Change Output_data_fixed_space to
3212 Output_data_zero_fill.
3213 (Layout::create_build_id): Likewise.
3214 (Layout::print_to_mapfile): New function.
3215 * layout.h (class Layout_task_runner): Add mapfile_ field. Update
3216 constructor. Change caller.
3217 (class Layout): Declare print_to_mapfile.
3218 * output.cc (Output_section::Input_section::print_to_mapfile): New
3220 (Output_section::add_input_section): If producing a map, always
3221 add to input_sections_ list.
3222 (Output_section::do_print_to_mapfile): New function.
3223 (Output_segment::print_sections_to_mapfile): New function.
3224 (Output_segment::print_section_list_to_mapfile): New function.
3225 * output.h: Include "mapfile.h".
3226 (Output_data::print_to_mapfile): New function.
3227 (Output_data::do_print_to_mapfile): New virtual function.
3228 (Output_segment_headers::do_print_to_mapfile): New function.
3229 (Output_file_header::do_print_to_mapfile): New function.
3230 (Output_data_const::do_print_to_mapfile): New function.
3231 (class Output_data_const_buffer): Add map_name_ field. Update
3232 constructor. Change all callers. Add do_print_to_mapfile
3234 (class Output_data_fixed_space): Likewise.
3235 (class Output_data_space): Likewise.
3236 (class Output_data_zero_fill): New class.
3237 (Output_data_strtab::do_print_to_mapfile): New function.
3238 (Output_data_reloc_base::do_print_to_mapfile): New function.
3239 (Output_relocatable_relocs::do_print_to_mapfile): New function.
3240 (Output_data_group::do_print_to_mapfile): New function.
3241 (Output_data_got::do_print_to_mapfile): New function.
3242 (Output_data_dynamic::do_print_to_mapfile): New function.
3243 (Output_symtab_xindex::do_print_to_mapfile): New function.
3244 (class Output_section): Declare do_print_to_mapflie. Declare
3245 print_to_mapfile in Input_section.
3246 (class Output_segment): Declare new functions.
3247 * object.h (Sized_relobj::symbol_count): New function.
3248 * script-sections.cc
3249 (Output_section_element_dot_assignment::set_section_addresses):
3250 Change Output_data_fixed_space to Output_data_zero_fill.
3251 (Output_data_expression::do_print_to_mapfile): New function.
3252 * script.cc (read_input_script): Add mapfile parameter. Change
3254 * script.h (read_input_script): Update declaration.
3255 * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
3256 (Eh_frame::do_print_to_mapfile): New function.
3257 * merge.h (Output_merge_data::do_print_to_mapfile): New function.
3258 (Output_merge_string::do_print_to_mapfile): New function.
3259 * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
3261 * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
3263 * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
3265 * Makefile.am (CCFILES): Add mapfile.cc.
3266 (HFILES): Add mapfile.h.
3267 * Makefile.in: Rebuild.
3269 2008-05-19 Ian Lance Taylor <iant@google.com>
3271 * options.h (class General_options): Add -z relro.
3272 * layout.cc (Layout::Layout): Initialize relro_segment_.
3273 (Layout::add_output_section_data): Return the output section.
3274 (Layout::make_output_section): Rcognize relro sections and mark
3276 (Layout::attach_allocated_section_to_segment): Put relro sections
3277 in a PT_GNU_RELRO segment.
3278 (Layout::create_initial_dynamic_sections): Mark the .dynamic
3280 (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
3282 (Layout::linkonce_mapping): Map d.rel.ro.local to
3284 (Layout::output_section_name): Us .data.rel.ro.local for any
3285 section which begins with that.
3286 * layout.h (class Layout): Update add_output_section_data
3287 declaration. Add relro_segment_ field.
3288 * output.cc (Output_section::Output_section): Initialize is_relro_
3289 and is_relro_local_ fields.
3290 (Output_segment::add_output_section): Group relro sections.
3291 (Output_segment::is_first_section_relro): New function.
3292 (Output_segment::maximum_alignment): If there is a relro section,
3293 align the segment to the common page size.
3294 (Output_segment::set_section_addresses): Track whether we are
3295 looking at relro sections. If the last section is a relro
3296 section, align to the common page size.
3297 (Output_segment::set_section_list_addresses): Add in_relro
3298 parameter. Change all callers. Align to the page size when
3299 moving from relro to non-relro section.
3300 (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
3302 * output.h (class Output_section): Add is_relro_ and
3303 is_relro_local_ fields.
3304 (Output_section::is_relro): New function.
3305 (Output_section::set_is_relro): New function.
3306 (Output_section::is_relro_local): New function.
3307 (Output_section::set_is_relro_local): New function.
3308 (class Output_segment): Update declarations.
3309 * i386.cc (Target_i386::got_section): Mark .got section as relro.
3310 * sparc.cc (Target_sparc::got_section): Likewise.
3311 * x86_64.cc (Target_x86_64::got_section): Likewise.
3312 * testsuite/relro_test_main.cc: New file.
3313 * testsuite/relro_test.cc: New file.
3314 * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
3315 (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
3316 (relro_test_LDFLAGS, relro_test_LDADD): New variables.
3317 (relro_test.so, relro_test_pic.o): New targets.
3318 * testsuite/Makefile.in: Rebuild.
3320 2008-05-16 Ian Lance Taylor <iant@google.com>
3322 * output.cc (Output_segment::add_output_section): Remove front
3324 * output.h (class Output_segment): Remove
3325 add_initial_output_section and overloaded add_output_section.
3326 Update declaration of remaining add_output_section.
3327 * layout.cc (Layout::create_interp): Call add_output_section
3328 rather than add_initial_output_section.
3329 (Layout::finish_dynamic_section): Likewise.
3331 * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
3332 for TLS_GOTDESC and TLS_DESC_CALL. Only optimize TLS_LDO_32 if we
3333 know the dynamic type.
3334 * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
3335 field. Initialize it in constructor.
3336 (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
3337 block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
3338 Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
3341 * output.cc (Output_reloc::get_address): Change return type to
3343 * output.h (class Output_reloc): Update get_address declaration.
3344 * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
3345 for section addresses.
3347 2008-05-09 Ian Lance Taylor <iant@google.com>
3350 * gold.cc (gold_nomem): Use return value of write.
3352 2008-05-08 Ian Lance Taylor <iant@google.com>
3354 * symtab.c (Symbol::init_base_output_data): Add version
3355 parameter. Change all callers.
3356 (Symbol::init_base_output_segment): Likewise.
3357 (Symbol::init_base_constant): Likewise.
3358 (Symbol::init_base_undefined): Likewise.
3359 (Sized_symbol::init_output_data): Likewise.
3360 (Sized_symbol::init_output_segment): Likewise.
3361 (Sized_symbol::init_constant): Likewise.
3362 (Sized_symbol::init_undefined): Likewise.
3363 (Symbol_table::do_define_in_output_data): If the new symbol has a
3364 version, mark it as the default.
3365 (Symbol_table::do_define_in_output_segment): Likewise.
3366 (Symbol_table::do_define_as_constant): Likewise.
3367 * symtab.h (class Symbol): Update declarations.
3368 (class Sized_symbol): Likewise.
3369 * resolve.cc (Symbol::override_version): New function.
3370 (Symbol::override_base): Call override_version.
3371 (Symbol::override_base_with_special): Likewise.
3372 * testsuite/ver_script_8.script: New file.
3373 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
3374 (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
3375 (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
3376 (ver_test_8_1.so, ver_test_8_2.so): New targets.
3378 2008-05-06 Ian Lance Taylor <iant@google.com>
3381 * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
3383 (class General_options): Remove existing --undefined, and add
3384 --no-undefined instead. Add new --undefined as synonym for -u.
3385 * archive.cc (Archive::add_symbols): Check whether symbol was
3387 * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
3388 * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
3389 all uses. Add IS_UNDEFINED. Update declarations to split
3390 different versions of init_base. Declare init_base_undefined.
3391 (Symbol::is_defined): Handle IS_UNDEFINED.
3392 (Symbol::is_undefined): Likewise.
3393 (Symbol::is_weak_undefined): Call is_undefined.
3394 (Symbol::is_absolute): Handle IS_CONSTANT.
3395 (class Sized_symbol): Update declarations to split different
3396 versions of init. Declare init_undefined.
3397 (class Symbol_table): Declare new functions.
3398 * symtab.cc (Symbol::init_base_object): Rename from init_base.
3400 (Symbol::init_base_output_data): Likewise.
3401 (Symbol::init_base_output_segment): Likewise.
3402 (Symbol::init_base_constant): Likewise.
3403 (Symbol::init_base_undefined): New function.
3404 (Sized_symbol::init_object): Rename from init. Change all
3406 (Sized_symbol::init_output_data): Likewise.
3407 (Sized_symbol::init_output_segment): Likewise.
3408 (Sized_symbol::init_constant): Likewise.
3409 (Sized_symbol::init_undefined): New function.
3410 (Symbol_table::add_undefined_symbols_from_command_line): New
3412 (Symbol_table::do_add_undefined_symbols_from_command_line): New
3414 (Symbol::final_value_is_known): Handle IS_UNDEFINED.
3415 (Symbol::output_section): Likewise.
3416 (Symbol::set_output_section): Likewise.
3417 (Symbol_table::sized_finalize_symbol): Likewise.
3418 (Symbol_table::sized_write_globals): Likewise.
3419 * resolve.cc (Symbol_table::should_override): Likewise.
3420 (Symbol::override_base_with_special): Likewise.
3422 * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
3423 symbol, change it to have default visibility.
3424 * testsuite/protected_1.cc: New file.
3425 * testsuite/protected_2.cc: New file.
3426 * testsuite/protected_3.cc: New file.
3427 * testsuite/protected_main_1.cc: New file.
3428 * testsuite/protected_main_2.cc: New file.
3429 * testsuite/protected_main_3.cc: New file.
3430 * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
3431 (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
3432 (protected_1_LDFLAGS, protected_1_LDADD): Define.
3433 (protected_1.so): New target.
3434 (protected_1_pic.o, protected_2_pic.o): New targets.
3435 (protected_3_pic.o): New target.
3436 (check_PROGRAMS): Add protected_2.
3437 (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
3438 (protected_2_LDFLAGS, protected_2_LDADD): Define.
3439 * testsuite/Makefile.in: Rebuild.
3441 * options.h (DEFINE_var): Add set_user_set_##varname__.
3442 (DEFINE_bool_alias): New macro.
3443 (class General_options): Define -Bstatic using DEFINE_bool_alias
3444 rather than DEFINE_special. Add --undefined as an alias for -z
3446 * options.cc (General_options::parse_Bstatic): Remove.
3448 * options.h (class General_options): Add --fatal-warnings.
3449 * main.cc (main): Implement --fatal-warnings.
3450 * errors.h (Errors::warning_count): New function.
3452 * options.h (class General_options): Add -Bsymbolic-functions.
3453 * symtab.h (Symbol::is_preemptible): Check for
3454 -Bsymbolic-functions.
3456 2008-05-05 Ian Lance Taylor <iant@google.com>
3458 * options.h (DEFINE_bool): For DASH_Z, create the negative option
3459 as noVARNAME rather than no-VARNAME.
3460 (class General_options): Add option -z combreloc.
3461 * output.h (class Output_reloc) [SHT_REL]: Declare compare and
3463 (Output_reloc::sort_before) [SHT_REL]: New function.
3464 (Output_reloc::sort_before) [SHT_RELA]: New function.
3465 (class Output_data_reloc_base): Add sort_relocs_ field. Define
3466 Sort_relocs_comparison.
3467 (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
3468 parameter. Change all callers.
3469 (Output_data_reloc::Output_data_reloc) [both versions]: Add
3470 sort_relocs parameter. Change all callers.
3471 * output.cc (Output_reloc::get_address): New function, broken out
3473 (Output_reloc::write_rel): Call it.
3474 (Output_reloc::compare): New function.
3475 (Output_data_reloc_base::do_write): Optionally sort relocs.
3477 * configure.ac: If targ_extra_obj is set, link it in.
3478 * configure.tgt: Initialize all variables.
3479 (x86_64*): Set targ_extra_obj and targ_extra_size.
3480 * configure: Rebuild.
3482 * object.cc (Sized_relobj::include_section_group): Adjust section
3483 indexes read from group data. Build vector to pass to
3485 * layout.cc (Layout::layout_group): Add flags and shndxes
3486 parameters. Remove contents parameter. Change caller. Update
3487 explicit instantiations.
3488 * layout.h (class Layout): Update layout_group declaration.
3489 * output.cc (Output_data_group::Output_data_group): Add flags and
3490 input_shndxes parameters. Remove contents parameter. Change
3492 (Output_data_group::do_write): Change input_sections_ to
3494 * output.h (class Output_data_group): Update constructor
3495 declaration. Rename input_sections_ to input_shndxes_.
3496 * testsuite/many_sections_test.cc: Add template.
3498 2008-04-30 Cary Coutant <ccoutant@google.com>
3500 * target-reloc.h (relocate_section): Fix dead-pointer bug.
3502 * layout.cc (Layout::include_section): Refactored check for debug
3504 (Layout::add_comdat): Add new parameters. Change type
3505 of signature parameter. Add object and shndx to signatures table.
3506 (Layout::find_kept_object): New function.
3507 * layout.h: Include <cstring>.
3508 (Layout::is_debug_info_section): New function.
3509 (Layout::add_comdat): Add new parameters.
3510 (Layout::find_kept_object): New function.
3511 (Layout::Kept_section): New struct.
3512 (Layout::Signatures): Change type of map range.
3513 * object.cc (Relobj::output_section_address): New function.
3514 (Sized_relobj::include_section_group): Add new parameters. Change
3515 calls to Layout::add_comdat. Change to build table of kept comdat
3516 groups and table mapping discarded sections to kept sections.
3517 (Sized_relobj::include_linkonce_section): Likewise. Add new parameter.
3518 (Sized_relobj::do_layout): Change calls to include_section_group and
3519 include_linkonce_section.
3520 (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
3521 value to zero when section is discarded.
3522 (Sized_relobj::map_to_kept_section): New function.
3523 * object.h (Relobj::output_section_address): New function.
3524 (Relobj::Comdat_group): New type.
3525 (Relobj::find_comdat_group): New function.
3526 (Relobj::Comdat_group_table): New type.
3527 (Relobj::Kept_comdat_section): New type.
3528 (Relobj::Kept_comdat_section_table): New type.
3529 (Relobj::add_comdat_group): New function.
3530 (Relobj::set_kept_comdat_section): New function.
3531 (Relobj::get_kept_comdat_section): New function.
3532 (Relobj::comdat_groups_): New field.
3533 (Relobj::kept_comdat_sections_): New field.
3534 (Symbol_value::input_value): Update comment.
3535 (Sized_relobj::map_to_kept_section) New function.
3536 (Sized_relobj::include_linkonce_section): Add new parameter.
3537 * target-reloc.h (Comdat_behavior): New type.
3538 (get_comdat_behavior): New function.
3539 (relocate_section): Add code to map a discarded section to the
3540 corresponding kept section when applying a relocation.
3542 2008-04-30 Craig Silverstein <csilvers@google.com>
3544 * dwarf_reader.cc (next_generation_count): New static var.
3545 (Addr2line_cache_entry): New struct.
3546 (addr2line_cache): New static var.
3547 (Dwarf_line_info::one_addr2line): Added caching.
3548 (Dwarf_line_info::clear_addr2line_cache): New function.
3549 * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
3550 cache-size parameter.
3551 (Dwarf_line_info::one_addr2line_cache): New function.
3552 * symtab.cc (Symbol_table::detect_odr_violations): Pass
3553 new cache-size argument to one_addr2line(), and clear cache.
3555 2008-04-28 Cary Coutant <ccoutant@google.com>
3557 * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
3558 R_386_PC8 relocations.
3560 2008-04-23 Ian Lance Taylor <iant@google.com>
3562 * object.cc (Sized_relobj::include_section_group): Check for
3563 invalid section group.
3565 * object.cc (make_elf_object): Correct test for 64-bit ELF file
3568 * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
3569 than read for file header.
3570 * archive.cc (Archive::include_member): Likewise.
3572 2008-04-23 Paolo Bonzini <bonzini@gnu.org>
3574 * aclocal.m4: Regenerate.
3575 * configure: Regenerate.
3577 2008-04-19 Ian Lance Taylor <iant@google.com>
3579 * version.cc (version_string): Bump to 1.6.
3581 * testsuite/Makefile.am (many_sections_r_test): New target.
3582 (many_sections_r_test_SOURCES): Remove.
3583 (many_sections_r_test_DEPENDENCIES): Remove.
3584 (many_sections_r_test_LDFLAGS): Remove.
3585 (many_sections_r_test_LDADD): Remove.
3587 * object.cc (Sized_relobj::do_add_symbols): Always pass
3588 local_symbol_count_ to add_from_relobj.
3590 * testsuite/Makefile.am (many_sections_check.h): Only check one in
3591 every thousand variables.
3592 * testsuite/Makefile.in: Rebuild.
3594 * object.cc (Xindex::initialize_symtab_xindex): New function.
3595 (Xindex::read_symtab_xindex): New function.
3596 (Xindex::sym_xindex_to_shndx): New function.
3597 (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
3599 (Sized_relobj::do_initialize_xindex): New function.
3600 (Sized_relobj::do_read_symbols): Adjust section links.
3601 (Sized_relobj::symbol_section_and_value): Add is_ordinary
3602 parameter. Change all callers.
3603 (Sized_relobj::include_section_group): Adjust section links and
3604 symbol section indexes.
3605 (Sized_relobj::do_layout): Adjust section links.
3606 (Sized_relobj::do_count_local_symbols): Adjust section links and
3607 symbol section indexes.
3608 (Sized_relobj::do_finalize_local_symbols): Distinguish between
3609 ordinary and special symbols.
3610 (Sized_relobj::write_local_symbols): Add symtab_xindex and
3611 dynsym_xindex parameters. Change all callers. Adjust section
3612 links. Use SHN_XINDEX when needed.
3613 (Sized_relobj::get_symbol_location_info): Adjust section links.
3614 Don't get fooled by special symbols.
3615 * object.h (class Xindex): Define.
3616 (class Object): Add xindex_ parameter. Declare virtual functoin
3617 do_initialize_xindex.
3618 (Object::adjust_sym_shndx): New function.
3619 (Object::set_xindex): New protected function.
3620 (class Symbol_value): Add is_ordinary_shndx_ field.
3621 (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
3622 (Symbol_value::value): Assert ordinary section.
3623 (Symbol_value::initialize_input_to_output_map): Likewise.
3624 (Symbol_value::set_input_shndx): Add is_ordinary parameter.
3626 (Symbol_value::input_shndx): Add is_ordinary parameter. Change
3628 (class Sized_relobj): Update declarations.
3629 (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
3630 parameter. Change all callers.
3631 (Sized_relobj::adjust_shndx): New function.
3632 * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
3634 (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
3635 parameter. Change all callers. Pick up SHT_DYNSYM_SHNDX section
3636 for SHT_DYNSYM section if available. Set dynsym_shndx_ field.
3637 (Sized_dynobj::read_dynsym_section): Adjust section links.
3638 (Sized_dynobj::read_dynamic): Likewise.
3639 (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field. Adjust
3641 (Sized_dynobj::do_initialize_xindex): New function.
3642 * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field. Declare
3643 do_initialize_xindex.
3644 (Sized_dynobj::adjust_shndx): New function.
3645 * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
3646 dynsym_xindex_ fields.
3647 (Layout::finalize): Add a call to set_section_indexes before
3648 creating the symtab sections.
3649 (Layout::set_section_indexes): Don't do anything if the section
3650 already has a section index.
3651 (Layout::create_symtab_sections): Add shnum parameter. Change
3652 caller. Create .symtab_shndx section if needed.
3653 (Layout::create_shdrs): Add shstrtab_section parameter. Change
3655 (Layout::allocated_output_section_count): New function.
3656 (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
3658 * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
3659 fields. Update declarations.
3660 (Layout::symtab_xindex): New function.
3661 (Layout::dynsym_xindex): New function.
3662 (class Write_symbols_task): Add layout_ field.
3663 (Write_symbols_task::Write_symbols_task): Add layout parameter.
3665 * output.cc (Output_section_headers::Output_section_headers): Add
3666 shstrtab_section parameter. Change all callers.
3667 (Output_section_headers::do_sized_write): Store overflow values
3668 for section count and section string table section index in
3669 section header zero.
3670 (Output_file_header::do_sized_write): Check for overflow of
3671 section count and section string table section index.
3672 (Output_symtab_xindex::do_write): New function.
3673 (Output_symtab_xindex::endian_do_write): New function.
3674 * output.h (class Output_section_headers): Add shstrtab_section_.
3675 Update declarations.
3676 (class Output_symtab_xindex): Define.
3677 (Output_section::has_out_shndx): New function.
3678 * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
3680 (Symbol::init_base): Add st_shndx and is_ordinary parameters.
3682 (Sized_symbol::init): Likewise.
3683 (Symbol::output_section): Check for ordinary symbol.
3684 (Symbol_table::add_from_object): Remove orig_sym parameter. Add
3685 st_shndx, is_ordinary, and orig_st_shndx parameters. Change all
3687 (Symbol_table::add_from_relobj): Add symndx_offset parameter.
3688 Change all callers. Simplify handling of symbols from sections
3689 not included in the link.
3690 (Symbol_table::add_from_dynobj): Handle ordinary symbol
3692 (Weak_alias_sorter::operator()): Assert that symbols are
3694 (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
3696 (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
3697 parameters. Change all callers.
3698 (Symbol_table::sized_write_globals): Likewise. Handle ordinary
3699 symbol distinction. Use SHN_XINDEX when needed.
3700 (Symbol_table::write_section_symbol): Add symtab_xindex
3701 parameter. Change all callers.
3702 (Symbol_table::sized_write_section_symbol): Likewise. Use
3703 SHN_XINDEX when needed.
3704 * symtab.h (class Symbol): Add is_ordinary_shndx_ field. Update
3706 (Symbol::shndx): Add is_ordinary parameter. Change all callers.
3707 (Symbol::is_defined): Check is_ordinary.
3708 (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
3709 (Symbol::is_absolute, Symbol::is_common): Likewise.
3710 (class Sized_symbol): Update declarations.
3711 (class Symbol_table): Update declarations.
3712 * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
3713 parameters. Change all callers.
3714 (Sized_symbol::override): Likewise.
3715 (Symbol_table::override): Likewise.
3716 (symbol_to_bits): Add is_ordinary parameter. Change all callers.
3717 (Symbol_table::resolve): Remove orig_sym parameter. Add st_shndx,
3718 is_ordinary, and orig_st_shndx parameters. Change all callers.
3719 * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
3720 to be in an ordinary section.
3721 * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
3722 object and is_ordinary parameters. Change all callers.
3723 (Sized_dwarf_line_info::read_relocs): Add object parameter.
3724 Change all callers. Don't add undefined or non-ordinary symbols
3726 (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
3728 * dwarf_reader.h (class Sized_dwarf_line_info): Update
3730 * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
3731 * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
3732 (Sized_relobj::relocate_sections): Likewise.
3733 * target-reloc.h (scan_relocs): Adjust section symbol index.
3734 (scan_relocatable_relocs): Likewise.
3735 * i386.cc (Scan::local): Check for ordinary symbols.
3736 * sparc.cc (Scan::local): Likewise.
3737 * x86_64.cc (Scan::local): Likewise.
3738 * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
3739 to symbol_section_and_value.
3740 * testsuite/many_sections_test.cc: New file.
3741 * testsuite/Makefile.am (BUILT_SOURCES): Define.
3742 (check_PROGRAMS): Add many_sections_test.
3743 (many_sections_test_SOURCES): Define.
3744 (many_sections_test_DEPENDENCIES): Define.
3745 (many_sections_test_LDFLAGS): Define.
3746 (BUILT_SOURCES): Add many_sections_define.h.
3747 (many_sections_define.h): New target.
3748 (BUILT_SOURCES): Add many_sections_check.h.
3749 (many_sections_check.h): New target.
3750 (check_PROGRAMS): Add many_sections_r_test.
3751 (many_sections_r_test_SOURCES): Define.
3752 (many_sections_r_test_DEPENDENCIES): Define.
3753 (many_sections_r_test_LDFLAGS): Define.
3754 (many_sections_r_test_LDADD): Define.
3755 (many_sections_r_test.o): New target.
3756 * testsuite/Makefile.in: Rebuild.
3758 2008-04-17 Cary Coutant <ccoutant@google.com>
3760 * errors.cc (Errors::info): New function.
3761 (gold_info): New function.
3762 * errors.h (Errors::info): New function.
3763 * gold.h (gold_info): New function.
3764 * object.cc (Input_objects::add_object): Print trace output.
3765 * options.cc (options::parse_set): New function.
3766 (General_options::parse_wrap): Deleted.
3767 (General_options::General_options): Deleted initializer.
3768 * options.h (options::String_set): New typedef.
3769 (options::parse_set): New function.
3770 (DEFINE_set): New macro.
3771 (General_options::wrap): Changed to use DEFINE_set. Changed
3772 callers of any_wrap_symbols and is_wrap_symbol.
3773 (General_options::trace, General_options::trace_symbol):
3775 (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
3776 (General_options::wrap_symbols_): Deleted.
3777 * symtab.cc (Symbol_table::add_from_object): Print trace output.
3779 2008-04-17 David S. Miller <davem@davemloft.net>
3781 * options.cc (General_options::parse_V): New function.
3782 * options.h: Add entries for -V and -Qy.
3784 2008-04-17 Ian Lance Taylor <iant@google.com>
3786 * common.cc (Symbol_table::allocate_commons): Remove options
3787 parameter. Change caller.
3788 (Symbol_table::do_allocate_commons): Remove options parameter.
3789 Change caller. Just call do_allocate_commons_list twice.
3790 (Symbol_table::do_allocate_commons_list): New function, broken out
3791 of do_allocate_commons.
3792 * common.h (class Allocate_commons_task): Remove options_ field.
3794 * symtab.cc (Symbol_table::Symbol_table): Initialize
3796 (Symbol_table::add_from_object): Put TLS common symbols on
3798 (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
3799 which are IN_OUTPUT_DATA.
3800 * symtab.h (class Symbol_table): Add tls_commons_ field. Update
3801 allocate_commons and do_allocate_commons declarations. Declare
3802 do_allocate_commons_list.
3803 * gold.cc (queue_middle_tasks): Update creation of
3804 Allocate_commons_task to not pass options.
3805 * testsuite/Makefile.am (INCLUDES): Add -I.. .
3806 (TLS_TEST_C_FLAGS): New variable.
3807 (tls_test_c_pic.o): New target.
3808 (tls_test_shared.so): Link in tls_test_c_pic.o.
3809 (tls_test_c_pic_ie.o): New target.
3810 (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
3811 (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
3812 (tls_test_c.o): New target.
3813 (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
3814 (tls_pic_test_LDADD): Likewise.
3815 (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
3816 (tls_shared_gd_to_ie_test_LDADD): Likewise.
3817 (tls_test_c_gnu2.o): New target.
3818 (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
3820 (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
3821 (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
3822 (tls_test_shared_nonpic.so): Link in tls_test_c.o.
3823 * testsuite/tls_test.cc: Include "config.h".
3824 (t_last): Call t11_last.
3825 * testsuite/tls_test.h (t11, t11_last): Declare.
3826 * testsuite/tls_test_c.c: New file.
3827 * testsuite/tls_test_main.cc (thread_routine): Call t11.
3828 * configure.ac: Check for OpenMP support.
3829 * configure, config.in, Makefile.in: Rebuild.
3830 * testsuite/Makefile.in: Rebuild.
3832 2008-04-16 Cary Coutant <ccoutant@google.com>
3834 * i386.cc (Target_i386::define_tls_base_symbol): New function.
3835 (Target_i386::tls_base_symbol_defined_): New field.
3836 (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
3837 (Target_i386::Scan::global): Likewise.
3838 * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
3839 * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
3840 (Target_x86_64::tls_base_symbol_defined_): New field.
3841 (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
3842 (Target_x86_64::Scan::global): Likewise.
3844 2008-04-16 Cary Coutant <ccoutant@google.com>
3846 * symtab.h (Symbol::is_strong_undefined): Removed unused function.
3847 (Symbol::needs_plt_entry): Allow weak undefined symbols.
3848 (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
3849 building shared libraries.
3850 * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
3851 (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
3852 (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
3853 * testsuite/Makefile.in: Rebuild.
3854 * testsuite/weak_undef.h: New file.
3855 * testsuite/weak_undef_file1.cc: Add extra test cases.
3856 * testsuite/weak_undef_file2.cc: Likewise.
3857 * testsuite/weak_undef_test.cc: Likewise.
3859 2008-04-16 David S. Miller <davem@davemloft.net>
3861 * sparc.cc (Target_sparc::Scan): Change from struct to class.
3862 Add issued_non_pic_error_ field. Declare check_non_pic.
3863 (Target_sparc::Scan::check_non_pic): New function.
3864 (Target_sparc::Scan::local): Call check_non_pic as appropriate.
3865 (Target_sparc::Scan::global): Likewise.
3867 * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
3868 * configure: Rebuild.
3870 * options.h (DEFINE_enable): New macro.
3871 (new_dtags): New enable option.
3872 (initfirst, interpose, loadfltr, nodefaultlib,
3873 nodelete, nodlopen, nodump): New -z options.
3874 * layout.cc (Layout:finish_dynamic_section): If new
3875 dtags enabled, emit DT_RUNPATH. Also, emit a
3876 DT_FLAGS_1 containing any specified -z flags.
3878 2008-04-16 Ian Lance Taylor <iant@google.com>
3880 * copy-relocs.cc: New file.
3881 * copy-relocs.h: New file.
3882 * reloc.cc: Remove Copy_relocs code.
3883 * reloc.h: Likewise.
3884 * reloc-types.h (struct Reloc_types) [both versions]: Add
3885 get_reloc_addend_noerror.
3886 * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
3887 variants of add_global which take an addend which must be zero.
3888 * i386.cc: Include "copy-relocs.h".
3889 (class Target_i386): Change type of copy_relocs_ to variable,
3891 (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
3893 (Target_i386::do_finalize_sections): Change handling of
3895 * sparc.cc: Include "copy-relocs.h".
3896 (class Target_sparc): Change type of copy_relocs_ to variable,
3898 (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
3900 (Target_sparc::do_finalize_sections): Change handling of
3902 * x86_64.cc: Include "copy-relocs.h".
3903 (class Target_x86_64): Change type of copy_relocs_ to variable,
3905 (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
3906 class. Change all callers.
3907 (Target_x86_64::do_finalize_sections): Change handling of
3909 * Makefile.am (CCFILES): Add copy-relocs.cc.
3910 (HFILES): Add copy-relocs.h.
3912 * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
3914 * testsuite/script_test_4.sh: Permit leading zeroes.
3916 2008-04-15 Ian Lance Taylor <iant@google.com>
3918 * script-sections.cc (Script_sections::create_segments): Use
3919 header_size_adjustment even when there is enough room for the
3921 * testsuite/script_test_4.sh: New file.
3922 * testsuite/script_test_4.t: New file.
3923 * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
3924 (check_DATA): Add script_test_4.stdout.
3925 (MOSTLYCLEANFILES): Likewise.
3926 (script_test_4): New target.
3927 (script_test_4.stdout): New target.
3928 * testsuite/Makefile.in: Rebuild.
3930 * sparc.cc: Add definitions for Output_data_plt_sparc class
3933 2008-04-14 David S. Miller <davem@davemloft.net>
3935 * sparc.cc: New file.
3936 * Makefile.am (TARGETSOURCES): Add sparc.cc
3937 (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
3938 * configure.tgt: Document targ_extra_size and
3939 targ_extra_big_endian. Add entries for sparc-* and
3941 * configure.ac: Handle targ_extra_size and
3942 targ_extra_big_endian.
3943 * Makefile.in: Rebuild.
3944 * configure: Likewise.
3945 * po/POTFILES.in: Likewise.
3946 * po/gold.pot: Likewise.
3948 2008-04-14 Ian Lance Taylor <iant@google.com>
3950 * layout.cc (Layout::Layout): Initialize sections_are_attached_.
3951 (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
3952 in the name/type/flags to section mapping. Don't call
3953 allocate_output_section.
3954 (Layout::choose_output_section): Change parameter from adjust_name
3955 to is_input_section. Don't permit input sections after sections
3956 are attached to segments. Don't call allocate_output_section.
3957 (Layout::layout_eh_frame): Call update_flags_for_input_section,
3958 not write_enable_output_section.
3959 (Layout::make_output_section): Don't push to
3960 unattached_section_list_ nor call attach_to_segment. Call
3961 attach_section_to_segment if sections are attached.
3962 (Layout::attach_sections_to_segments): New function.
3963 (Layout::attach_section_to_segment): New function.
3964 (Layout::attach_allocated_section_to_segment): Rename from
3965 attach_to_segment. Remove flags parameter.
3966 (Layout::allocate_output_section): Remove function.
3967 (Layout::write_enable_output_section): Remove function.
3968 * layout.h (class Layout): Update for above changes. Add new
3969 field sections_are_attached_.
3970 * output.h (Output_section::update_flags_for_input_section): New
3972 * output.cc (Output_section::add_input_section): Call
3973 update_flags_for_input_section.
3974 * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
3976 2008-04-11 Cary Coutant <ccoutant@google.com>
3978 * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
3979 thought unnecessary.
3980 * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
3982 2008-04-11 Ian Lance Taylor <iant@google.com>
3984 * output.h (class Output_section_data): Remove inline definition
3986 * output.cc (Output_section_data::set_addralign): New function.
3988 2008-04-11 Cary Coutant <ccoutant@google.com>
3990 Add support for TLS descriptors for i386 and x86_64.
3991 * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
3992 (Target_i386::Relocate::tls_desc_gd_to_le): New function.
3993 (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
3995 (Target_i386::got_mod_index_entry): Remove unnecessary code.
3996 (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
3997 R_386_TLS_DESC_CALL relocations. Fix problem with initial-exec
3999 (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
4000 Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
4001 Fix problem with initial-exec relocations.
4002 (Target_i386::Relocate::relocate_tls): Likewise.
4003 (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
4005 * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
4006 support for section-plus-offset dynamic table entries.
4007 * output.h (Output_data_dynamic::add_section_plus_offset): New function.
4008 (Output_data_dynamic::Dynamic_entry): Add support for
4009 section-plus-offset dynamic table entries.
4010 (Output_data_dynamic::Classification): Likewise.
4011 (Output_data_dynamic::classification_): Renamed offset_.
4012 * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
4013 (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
4014 (Target_x86_64::make_plt_section): New function.
4015 (Target_x86_64::reserve_tlsdesc_entries): New function.
4016 (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
4017 (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
4018 (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
4019 (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
4020 (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
4021 (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
4022 (Output_data_plt_x86_64::set_final_data_size): Move out of line;
4023 add extra PLT entry for TLS descriptors.
4024 (Output_data_plt_x86_64::got_): New field.
4025 (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
4026 (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
4028 (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
4030 (Target_x86_64::make_plt_entry): Factor out make_plt_section.
4031 (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
4032 (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
4033 R_386_TLS_DESC_CALL relocations.
4034 (Target_x86_64::Scan::global): Likewise.
4035 (Target_x86_64::do_finalize_sections): Add dynamic table entries
4036 for TLS descriptors.
4037 (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
4038 Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
4039 (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
4040 GD-to-IE relaxation.
4041 * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
4042 and TLS_DESCRIPTORS.
4043 * Makefile.in: Rebuild.
4044 * configure: Rebuild.
4045 * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
4046 (tls_test_shared2.so): New target.
4047 (tls_shared_gd_to_ie_test_SOURCES): New variable.
4048 (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
4049 (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
4050 (tls_shared_gd_to_ie_test_LDADD): New variable.
4051 (tls_shared_gnu2_gd_to_ie_test): New target.
4052 (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
4054 (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
4055 (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
4056 (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
4057 (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
4058 (tls_shared_gnu2_test): New target.
4059 (tls_test_gnu2_shared.so): New target.
4060 (tls_shared_gnu2_test_SOURCES): New variable.
4061 (tls_shared_gnu2_test_DEPENDENCIES): New variable.
4062 (tls_shared_gnu2_test_LDFLAGS): New variable.
4063 (tls_shared_gnu2_test_LDADD): New variable.
4064 * testsuite/Makefile.in: Rebuild.
4065 * testsuite/Makefile.
4067 2008-04-11 Ian Lance Taylor <iant@google.com>
4069 * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
4071 * testsuite/Makefile.in: Rebuild.
4073 * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
4075 * testsuite/script_test_2.cc (main): Adjust test.
4077 2008-04-11 David S. Miller <davem@davemloft.net>
4078 Ian Lance Taylor <iant@google.com>
4080 * options.h (General_options): Add entries for '-Y' and
4082 * options.cc (General_options:finalize): If -Y was used, add those
4083 entries to the library path instead of the default "/lib" and
4086 2008-04-11 David S. Miller <davem@davemloft.net>
4088 * testsuite/justsyms.t: Start at 0x100.
4089 * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
4090 * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
4092 * testsuite/script_test_2.cc: Adjust string and section length
4095 2008-04-09 Ian Lance Taylor <iant@google.com>
4098 * script-sections.cc (Sections_element::allocate_to_segment): Add
4100 (Output_section_definition::allocate_to_segment): Likewise.
4101 (Orphan_output_section::allocate_to_segment): Likewise.
4102 (Script_sections::attach_sections_using_phdrs_clause): Don't
4103 propagate non-PT_LOAD segments to orphan sections.
4104 * testsuite/Makefile.am (script_test_3.stdout): Generate using
4105 readelf rather than objdump.
4106 * testsuite/script_test_3.sh: Adjust accordingly. Test that
4107 .interp section and PT_INTERP segment are the same size.
4108 * testsuite/Makefile.in: Rebuild.
4110 * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
4111 aliases for symbols defined in the same object.
4112 * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
4113 (weak_alias_test_SOURCES): New variable.
4114 (weak_alias_test_DEPENDENCIES): New variable.
4115 (weak_alias_test_LDFLAGS): New variable.
4116 (weak_alias_test_LDADD): New variable.
4117 (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
4118 (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
4119 (weak_alias_test_3.o): New target.
4120 (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
4121 * testsuite/weak_alias_test_main.cc: New file.
4122 * testsuite/weak_alias_test_1.cc: New file.
4123 * testsuite/weak_alias_test_2.cc: New file.
4124 * testsuite/weak_alias_test_3.cc: New file.
4126 2008-04-08 Ian Lance Taylor <iant@google.com>
4128 * options.h (class General_options): Add --noinhibit-exec option.
4129 * main.cc (main): Check --noinhibit-exec.
4131 * options.h (class General_options): Define --wrap as a special
4132 option. Add wrap_symbols_ field.
4133 (General_options::any_wrap_symbols): New function.
4134 (General_options::is_wrap_symbol): New function.
4135 * options.cc (General_options::parse_wrap): New function.
4136 (General_options::General_options): Initialize wrap_symbols_.
4137 * symtab.cc (Symbol_table::wrap_symbol): New function.
4138 (Symbol_table::add_from_object): Handle --wrap.
4139 * symtab.h (class Symbol_table): Declare wrap_symbol.
4140 * target.h (Target::wrap_char): New function.
4141 (Target::Target_info): Add wrap_char field.
4142 * i386.cc (Target_i386::i386_info): Initialize wrap_char.
4143 * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
4144 * testsuite/testfile.cc (Target_test::test_target_info):
4147 * errors.cc (Errors::undefined_symbol): Mention symbol version if
4150 * layout.h (class Layout): Add added_eh_frame_data_ field.
4151 * layout.cc (Layout::Layout): Initialize new field.
4152 (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
4153 output section until we find a section we merged successfully.
4154 * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
4155 that the size be non-zero.
4157 * merge.cc (Object_merge_map::get_output_offset): Remove inline
4160 2008-04-08 Craig Silverstein <csilvers@google.com>
4162 * configure.ac: Export new conditional variable HAVE_ZLIB.
4163 * testsuite/Makefile.am (flagstest_o_specialfile): Condition
4165 (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
4166 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
4168 2008-04-07 Ian Lance Taylor <iant@google.com>
4170 * version.cc (version_string): Set to "1.5".
4172 * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
4173 Add issued_non_pic_error_ field. Declare check_non_pic.
4174 (Target_x86_64::Scan::check_non_pic): New function.
4175 (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
4176 (Target_x86_64::Scan::global): Likewise.
4178 * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
4179 addend parameter. Change caller. Handle merge sections.
4180 (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
4181 Address to Addend. Don't add in the result of
4182 local_section_offset, pass down the addend and use the returned
4184 * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
4185 Update declarations of local_section_offset and symbol_value.
4186 * testsuite/two_file_test_1.cc (t18): New function.
4187 * testsuite/two_file_test_2.cc (f18): New function.
4188 * testsuite/two_file_test_main.cc (main): Call t18.
4189 * testsuite/two_file_test.h (t18, f18): Declare.
4191 * configure.ac: Don't test for objdump, c++filt, or readelf.
4192 * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
4194 (TEST_READELF): New variable.
4195 (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
4196 (check_PROGRAMS): Add two_file_strip_test.
4197 (two_file_strip_test): New target.
4198 (check_PROGRAMS): Add two_file_same_shared_strip_test.
4199 (two_file_same_shared_strip_test_SOURCES): New variable.
4200 (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
4201 (two_file_same_shared_strip_test_LDFLAGS): New variable.
4202 (two_file_same_shared_strip_test_LDADD): New variable.
4203 (two_file_shared_strip.so): New target.
4204 (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
4205 (ver_test_5.syms, ver_test_7.syms): Likewise.
4206 (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
4207 (strip_test_3.stdout): Use TEST_OBJDUMP.
4208 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
4210 2008-04-04 Cary Coutant <ccoutant@google.com>
4212 * symtab.h (Symbol::is_weak_undefined): New function.
4213 (Symbol::is_strong_undefined): New function.
4214 (Symbol::is_absolute): New function.
4215 (Symbol::needs_plt_entry): Exclude weak undefined symbols.
4216 (Symbol::needs_dynamic_reloc): Exclude weak undefined and
4218 * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
4219 (weak_undef_test): New target.
4220 * testsuite/Makefile.in: Rebuild.
4221 * testsuite/weak_undef_file1.cc: New file.
4222 * testsuite/weak_undef_file2.cc: New file.
4223 * testsuite/weak_undef_test.cc: New file.
4225 2008-04-03 Craig Silverstein <csilvers@google.com>
4227 * compressed_output.h (class Output_compressed_section): Use
4229 * compressed_output.cc (zlib_compress): Use unsigned buffers,
4231 (zlib_compressed_suffix): Removed.
4232 (Output_compressed_section::set_final_data_size): Use unsigned
4234 * testsuite/Makefile.am (flagstest_compress_debug_sections):
4235 Fix linker invocation.
4236 (flagstest_o_specialfile_and_compress_debug_sections):
4238 * testsuite/Makefile.in: Regenerated.
4240 2008-04-02 David S. Miller <davem@davemloft.net>
4242 * dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
4243 Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
4245 2008-04-02 Craig Silverstein <csilvers@google.com>
4249 2008-04-02 Ian Lance Taylor <iant@google.com>
4251 * fileread.cc (File_read::find_view): Add byteshift and vshifted
4252 parameters. Update for new key type to views_. Change all
4254 (File_read::read): Adjust for byteshift in returned view.
4255 (File_read::add_view): New function, broken out of
4257 (File_read::make_view): New function, broken out of
4259 (File_read::find_or_make_view): Add offset and aligned
4260 parameters. Rewrite accordingly. Change all callers.
4261 (File_read::get_view): Add offset and aligned parameters. Adjust
4262 for byteshift in return value.
4263 (File_read::get_lasting_view): Likewise.
4264 * fileread.h (class File_read): Update declarations.
4265 (class File_read::View): Add byteshift_ field. Add byteshift to
4266 constructor. Add byteshift method.
4267 * archive.h (Archive::clear_uncached_views): New function.
4268 (Archive::get_view): Add aligned parameter. Change all callers.
4269 * object.h (Object::get_view): Add aligned parameter. Change all
4271 (Object::get_lasting_view): Likewise.
4273 * fileread.cc (File_read::release): Don't call clear_views if
4274 there are multiple objects.
4275 * fileread.h (File_read::clear_uncached_views): New function.
4276 * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
4279 2008-03-31 Cary Coutant <ccoutant@google.com>
4281 Add thin archive support.
4282 * archive.cc (Archive::armagt): New const.
4283 (Archive::setup): Remove task parameter and calls to unlock.
4284 (Archive::unlock_nested_archives): New function.
4285 (Archive::read_header): Add nested_off parameter. Change
4287 (Archive::interpret_header): Likewise.
4288 (Archive::include_all_members): Change to handle thin
4290 (Archive::include_member): Likewise.
4291 * archive.h (Archive::Archive): Add new parameters and
4293 (Archive::armagt): New const.
4294 (Archive::setup): Remove task parameter.
4295 (Archive::unlock_nested_archives): New function.
4296 (Archive::read_header): Add nested_off parameter.
4297 (Archive::interpret_header): Likewise.
4298 (Archive::Nested_archive_table): New typedef.
4299 (Archive::is_thin_archive_): New field.
4300 (Archive::nested_archives_): New field.
4301 (Archive::options_): New field.
4302 (Archive::dirpath_): New field.
4303 (Archive::task_): New field.
4304 * readsyms.cc (Read_symbols::do_read_symbols): Add check
4305 for thin archives. Pass additional parameters to
4306 Archive::Archive. Unlock the archive file after calling
4309 2008-03-29 Ian Lance Taylor <iant@google.com>
4311 * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
4312 version symbol to be local.
4313 * testsuite/ver_test_4.sh: New file.
4314 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
4315 (check_DATA): Add ver_test_4.syms.
4316 (ver_test_4.syms): New target.
4317 * testsuite/Makefile.in: Rebuild.
4320 (Output_section::Input_section_sort_entry::has_priority): New
4322 (Output_section::Input_section_sort_entry::match_file_name): New
4324 (Output_section::Input_section_sort_entry::match_section_name):
4326 (Output_section::Input_section_sort_entry::match_section_name_prefix):
4328 (Output_section::Input_section_sort_entry::match_section_file):
4330 (Output_section::Input_section_sort_compare::operator()): Rewrite
4331 using new Input_section_sort_entry functions. Sort crtbegin and
4332 crtend first. Sort sections with no priority before sections with
4334 * testsuite/initpri1.c (d3): Check j != 4.
4335 (cd5): New constructor/destructor function.
4336 (main): Check j != 2.
4338 * symtab.cc (Symbol_table::add_from_object): If we don't use the
4339 new symbol when resolving, don't call set_is_default.
4340 * testsuite/ver_test_7.cc: New file.
4341 * testsuite/ver_test_7.sh: New file.
4342 * testsuite/Makefile.am (ver_test_7.so): New target.
4343 (ver_test_7.o): New target.
4344 (check_SCRIPTS): Add ver_test_7.sh.
4345 (check_DATA): Add ver_test_7.syms.
4346 (ver_test_7.syms): New target.
4348 2008-03-28 Ian Lance Taylor <iant@google.com>
4350 * layout.cc (Layout::layout): If we see an input section with a
4351 name that needs sorting, set the must_sort flag for the output
4353 (Layout::make_output_section): If the name of the output section
4354 indicates that it might require sorting, set the may_sort flag.
4355 * output.h (Output_section::may_sort_attached_input_sections): New
4357 (Output_section::set_may_sort_attached_input_sections): New
4359 (Output_section::must_sort_attached_input_sections): New
4361 (Output_section::set_must_sort_attached_input_sections): New
4363 (class Output_section): Declare Input_section_sort_entry. Define
4364 Input_section_sort_compare. Declare
4365 sort_attached_input_sections. Add new fields:
4366 may_sort_attached_input_sections_,
4367 must_sort_attached_input_sections_,
4368 attached_input_sections_are_sorted_.
4369 * output.cc (Output_section::Output_section): Initialize new
4371 (Output_section::add_input_section): Add an entry to
4372 input_sections_ if may_sort or must_sort are true.
4373 (Output_section::set_final_data_size): Call
4374 sort_attached_input_sections if necessary.
4375 (Output_section::Input_section_sort_entry): Define new class.
4376 (Output_section::Input_section_sort_compare::operator()): New
4378 (Output_section::sort_attached_input_sections): New function.
4379 * configure.ac: Check whether the compiler supports constructor
4380 priorities. Define a CONSTRUCTOR_PRIORITY automake conditional.
4381 * testsuite/initpri1.c: New file.
4382 * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
4383 CONSTRUCTOR_PRIORITY.
4384 (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
4385 (initpri1_LDFLAGS): New variable.
4386 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
4388 2008-03-27 Ian Lance Taylor <iant@google.com>
4390 * common.cc (Sort_commons::operator): Correct sorting algorithm.
4391 * testsuite/common_test_1.c: New file.
4392 * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
4393 (common_test_1_SOURCES): New variable.
4394 (common_test_1_DEPENDENCIES): New variable.
4395 (common_test_1_LDFLAGS): New variable.
4397 * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
4398 and commons_ correctly when NAME/VERSION does not override
4400 * testsuite/ver_test_6.c: New file.
4401 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
4402 (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
4403 (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
4405 2008-03-26 Ian Lance Taylor <iant@google.com>
4407 * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
4408 of an undefined symbol from a version script.
4409 * testsuite/Makefile.am (ver_test_5.so): New target.
4410 (ver_test_5.o): New target.
4411 (check_SCRIPTS): Add ver_test_5.sh.
4412 (check_DATA): Add ver_test_5.syms.
4413 (ver_test_5.syms): New target.
4414 * testsuite/ver_test_5.cc: New file.
4415 * testsuite/ver_test_5.script: New file.
4416 * testsuite/ver_test_5.sh: New file.
4417 * Makefile.in, testsuite/Makefile.in: Rebuild.
4420 Fix problems building gold with gcc 4.3.0.
4421 * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
4422 (gold_error_at_location, gold_warning_at_location): Use it.
4423 * configure.ac: Check whether we can compile and use a template
4424 function with a printf attribute.
4425 * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
4426 when jumping over bytes.
4427 * object.cc: Instantiate Object::read_section_data.
4428 * debug.h: Include <cstring>
4429 * dwarf_reader.cc: Include <algorithm>
4430 * main.cc: Include <cstring>.
4431 * options.cc: Include <cstring>.
4432 * output.cc: Include <cstring>.
4433 * script.cc: Include <cstring>.
4434 * script.h: Include <string>.
4435 * symtab.cc: Include <cstring> and <algorithm>.
4436 * target-select.cc: Include <cstring>.
4437 * version.cc: Include <string>.
4438 * testsuite/testmain.cc: Include <cstdlib>.
4439 * configure, config.in: Rebuild.
4441 2008-03-25 Ian Lance Taylor <iant@google.com>
4443 * options.cc: Include "../bfd/bfdver.h".
4444 (options::help): Print bug reporting address.
4446 * version.cc (print_version): Adjust output for current value of
4451 * options.cc (options::help): Print list of supported targets.
4452 * target-select.h: Include <vector>.
4453 (class Target_selector): Make machine_, size_, and is_big_endian_
4454 fields const. Add bfd_name_ and instantiated_target_ fields.
4455 (Target_selector::Target_selector): Add bfd_name parameter.
4456 (Target_selector::recognize): Make non-virtual, call
4458 (Target_selector::recognize_by_name): Make non-virtual, call
4459 do_recognize_by_name.
4460 (Target_selector::supported_names): New function.
4461 (Target_selector::bfd_name): New function.
4462 (Target_selector::do_instantiate_target): New pure virtual
4464 (Target_selector::do_recognize): New virtual function.
4465 (Target_selector::do_recognize_by_name): New virtual function.
4466 (Target_selector::instantiate_target): New private function.
4467 (supported_target_names): Declare.
4468 * target-select.cc (Target_selector::Target_selector): Update for
4469 new parameter and fields.
4470 (select_target_by_name): Check that the name matches before
4471 calling recognize_by_name.
4472 (supported_target_names): New function.
4473 * i386.cc (class Target_selector_i386): Update Target_selector
4474 constructor call. Remove recognize and recognize_by_name. Add
4475 do_instantiate_target.
4476 * x86_64.cc (class Target_selector_x86_64): Likewise.
4477 * testsuite/testfile.cc (class Target_selector_test): Update for
4478 changes to Target_selector.
4480 * README: Rewrite, with some notes on unsupported features.
4482 2008-03-24 Cary Coutant <ccoutant@google.com>
4484 * i386.cc (Target_i386::Got_type): New enum declaration.
4485 (Target_i386::Scan::local): Updated callers of Output_data_got
4487 (Target_i386::Scan::global): Likewise.
4488 (Target_i386::Relocate::relocate): Likewise.
4489 (Target_i386::Relocate::relocate_tls): Likewise.
4490 * object.h (Got_offset_list): New class.
4491 (Sized_relobj::local_has_got_offset): Added got_type parameter.
4492 (Sized_relobj::local_got_offset): Likewise.
4493 (Sized_relobj::set_local_got_offset): Likewise.
4494 (Sized_relobj::local_has_tls_got_offset): Removed.
4495 (Sized_relobj::local_tls_got_offset): Removed.
4496 (Sized_relobj::set_local_tls_got_offset): Removed.
4497 (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
4498 * output.cc (Output_data_got::add_global): Added got_type parameter.
4499 (Output_data_got::add_global_with_rel): Likewise.
4500 (Output_data_got::add_global_with_rela): Likewise.
4501 (Output_data_got::add_global_pair_with_rel): New function.
4502 (Output_data_got::add_global_pair_with_rela): New function.
4503 (Output_data_got::add_local): Added got_type parameter.
4504 (Output_data_got::add_local_with_rel): Likewise.
4505 (Output_data_got::add_local_with_rela): Likewise.
4506 (Output_data_got::add_local_pair_with_rel): New function.
4507 (Output_data_got::add_local_pair_with_rela): New function.
4508 (Output_data_got::add_global_tls): Removed.
4509 (Output_data_got::add_global_tls_with_rel): Removed.
4510 (Output_data_got::add_global_tls_with_rela): Removed.
4511 (Output_data_got::add_local_tls): Removed.
4512 (Output_data_got::add_local_tls_with_rel): Removed.
4513 (Output_data_got::add_local_tls_with_rela): Removed.
4514 * output.h (Output_data_got::add_global): Added got_type parameter.
4515 (Output_data_got::add_global_with_rel): Likewise.
4516 (Output_data_got::add_global_with_rela): Likewise.
4517 (Output_data_got::add_global_pair_with_rel): New function.
4518 (Output_data_got::add_global_pair_with_rela): New function.
4519 (Output_data_got::add_local): Added got_type parameter.
4520 (Output_data_got::add_local_with_rel): Likewise.
4521 (Output_data_got::add_local_with_rela): Likewise.
4522 (Output_data_got::add_local_pair_with_rel): New function.
4523 (Output_data_got::add_local_pair_with_rela): New function.
4524 (Output_data_got::add_global_tls): Removed.
4525 (Output_data_got::add_global_tls_with_rel): Removed.
4526 (Output_data_got::add_global_tls_with_rela): Removed.
4527 (Output_data_got::add_local_tls): Removed.
4528 (Output_data_got::add_local_tls_with_rel): Removed.
4529 (Output_data_got::add_local_tls_with_rela): Removed.
4530 * resolve.cc (Symbol::override_base_with_special): Removed
4531 reference to has_got_offset_ field.
4532 * symtab.cc (Symbol::init_fields): Replaced initialization
4533 of got_offset_ with got_offsets_. Removed initialization
4535 * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
4536 (Symbol::got_offset): Likewise.
4537 (Symbol::set_got_offset): Likewise.
4538 (Symbol::has_tls_got_offset): Removed.
4539 (Symbol::tls_got_offset): Removed.
4540 (Symbol::set_tls_got_offset): Removed.
4541 (Symbol::got_offset_): Removed.
4542 (Symbol::tls_mod_got_offset_): Removed.
4543 (Symbol::tls_pair_got_offset_): Removed.
4544 (Symbol::got_offsets_): New field.
4545 (Symbol::has_got_offset): Removed.
4546 (Symbol::has_tls_mod_got_offset): Removed.
4547 (Symbol::has_tls_pair_got_offset): Removed.
4548 * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
4549 (Target_x86_64::Scan::local): Updated callers of Output_data_got
4551 (Target_x86_64::Scan::global): Likewise.
4552 (Target_x86_64::Relocate::relocate): Likewise.
4553 (Target_x86_64::Relocate::relocate_tls): Likewise.
4555 2008-03-25 Ben Elliston <bje@au.ibm.com>
4557 * yyscript.y: Fix spelling error in comment.
4559 2008-03-24 Ian Lance Taylor <iant@google.com>
4561 * options.h (class General_options): Define build_id option.
4562 * layout.h (class Layout): Declare write_build_id, create_note,
4563 create_build_id. Add build_id_note_ member.
4564 * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
4565 "libiberty.h", "md5.h", "sha1.h".
4566 (Layout::Layout): Initialize eh_frame_data_,
4567 eh_frame_hdr_section_, and build_id_note_.
4568 (Layout::finalize): Call create_build_id.
4569 (Layout::create_note): New function, broken out of
4570 Layout::create_gold_note.
4571 (Layout::create_gold_note): Call create_note.
4572 (Layout::create_build_id): New function.
4573 (Layout::write_build_id): New function.
4574 (Close_task_runner::run): Call write_build_id.
4576 * x86_64.cc: Correct license to GPLv3.
4578 2008-03-23 Ian Lance Taylor <iant@google.com>
4580 * options.cc: Include "demangle.h".
4581 (parse_optional_string): New function.
4582 (parse_long_option): Handle takes_optional_argument.
4583 (parse_short_option): Update dash_z initializer. Handle
4584 takes_optional_argument.
4585 (General_options::General_options): Initialize do_demangle_.
4586 (General_options::finalize): Set do_demangle_. Handle demangling
4588 * options.h (parse_optional_string): Declare.
4589 (struct One_option): Add optional_arg field. Update constructor.
4590 Update call constructor calls. Add takes_optional_argument
4592 (DEFINE_var): Add optional_arg__ parameter. Change all callers.
4593 (DEFINE_optional_string): Define.
4594 (General_options::demangle): Change from DEFINE_bool to
4595 DEFINE_optional_string.
4596 (General_options::no_demangle): New function.
4597 (General_options::do_demangle): New function.
4598 (General_options::set_do_demangle): New function.
4599 (General_options::execstack_status_): Move definition to end of
4601 (General_options::static_): Likewise.
4602 (General_options::do_demangle_): New field.
4603 * object.cc (big_endian>::get_symbol_location_info): Call
4604 Options::do_demangle, not Options::demangle.
4605 * symtab.cc (demangle): Likewise.
4607 2008-03-22 Ian Lance Taylor <iant@google.com>
4609 * gold.h: Include <cstddef> and <sys/types.h>
4610 * options.h: Include <cstring>.
4612 2008-03-21 Ian Lance Taylor <iant@google.com>
4614 * Added source code to GNU binutils.