1 2009-10-15 Doug Kwan <dougkwan@google.com>
3 * layout.cc (Layout::finish_dynamic_section): Generate tags
4 DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
5 DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
6 used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
8 2009-10-14 Ian Lance Taylor <iant@google.com>
10 * object.h (class Relocate_info): Add reloc_shdr and data_shdr
12 * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
13 data_shdr fields of relinfo.
14 * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
15 (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo. For
16 R_386_TLS_LDO_32, adjust based on section flags.
17 (Target_i386::Relocate::fix_up_ldo): Remove.
19 2009-10-13 Ian Lance Taylor <iant@google.com>
22 * options.h (class General_options): Add -pie and
24 (General_options::output_is_position_independent): Test -pie.
25 (General_options::output_is_executable): Return true if not shared
27 (General_options::output_is_pie): Remove.
28 * options.cc (General_options::finalize): Reject incompatible uses
30 * gold.cc (queue_middle_tasks): A -pie link is not static.
31 * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
32 * symtab.cc (Symbol::final_value_is_known): Return false if
33 output_is_position_independent.
34 * layout.cc (Layout::set_segment_offsets): Start at address 0 if
35 output_is_position_independent.
36 * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
37 output_is_position_independent.
38 * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
39 output_is_position_independent.
40 * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
42 (basic_pie_test.o, basic_pie_test): New targets.
43 (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
44 (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
45 (two_file_pie_test): New target.
46 * testsuite/Makefile.in: Rebuild.
47 * README: Remove note saying that -pie is not supported.
49 2009-10-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
51 * options.h (class General_options): Add -init and -fini.
52 * layout.cc (Layout::finish_dynamic_section): Emit
53 given init and fini functions.
55 2009-10-13 Sriraman Tallam <tmsriram@google.com>
57 * gc.h (gc_process_relocs): Check if icf is enabled using new
59 * gold.cc (queue_initial_tasks): Likewise.
60 (queue_middle_tasks): Likewise.
61 * object.cc (do_layout): Likewise.
62 * symtab.cc (is_section_folded): Likewise.
63 * main.cc (main): Likewise.
64 * reloc.cc (Read_relocs::run): Likewise.
65 (Sized_relobj::do_scan_relocs): Likewise.
66 * icf.cc (is_function_ctor_or_dtor): New function.
67 (Icf::find_identical_sections): Check if function is ctor or dtor when
69 * options.h (General_options::icf): Change option to be an enum.
70 (Icf_status): New enum.
71 (icf_enabled): New method.
72 (icf_safe_folding): New method.
73 (set_icf_status): New method.
74 (icf_status_): New variable.
75 * (options.cc) (General_options::finalize): Set icf_status_.
76 * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
77 icf_test and icf_keep_unique_test to use the --icf enum flag.
78 * testsuite/icf_safe_test.sh: New file.
79 * testsuite/icf_safe_test.cc: New file.
81 2009-10-12 Sriraman Tallam <tmsriram@google.com>
83 * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
84 includes to gc.h and icf.h.
85 * arm.cc: Include gc.h.
88 * powerpc.cc: Likewise.
90 * x86_64.cc: Likewise.
91 * gc.h: Include icf.h.
93 2009-10-11 Ian Lance Taylor <iant@google.com>
95 * plugin.cc: Include "gold.h" before other header files.
97 2009-10-10 Chris Demetriou <cgd@google.com>
99 * options.h (Input_file_argument::Input_file_type): New enum.
100 (Input_file_argument::is_lib_): Replace with...
101 (Input_file_argument::type_): New member.
102 (Input_file_argument::Input_file_argument): Take Input_file_type
103 'type' rather than boolean 'is_lib' as second argument.
104 (Input_file_argument::is_lib): Use type_.
105 (Input_file_argument::is_searched_file): New function.
106 (Input_file_argument::may_need_search): Handle is_searched_file.
107 * options.cc (General_options::parse_library): Support -l:filename.
108 (General_options::parse_just_symbols): Update for Input_file_argument
110 (Command_line::process): Likewise.
111 * archive.cc (Archive::get_file_and_offset): Likewise.
112 * plugin.cc (Plugin_manager::release_input_file): Likewise.
113 * script.cc (read_script_file, script_add_file): Likewise.
114 * fileread.cc (Input_file::Input_file): Likewise.
115 (Input_file::will_search_for): Handle is_searched_file.
116 (Input_file::open): Likewise.
117 * readsyms.cc (Read_symbols::get_name): Likewise.
118 * testsuite/Makefile.am (searched_file_test): New test.
119 * testsuite/Makefile.in: Regenerate.
120 * testsuite/searched_file_test.cc: New file.
121 * testsuite/searched_file_test_lib.cc: New file.
123 2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
124 Ian Lance Taylor <iant@google.com>
126 * descriptor.cc: Include <cstdio> and "binary-io.h".
127 (Descriptors::open): Open the files in binary mode always.
128 * script.cc (Lex::get_token): Treat \r as whitespace.
130 2009-10-09 Ian Lance Taylor <iant@google.com>
132 * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
134 2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
135 Ian Lance Taylor <iant@google.com>
137 * configure.ac: Check for readv function also.
138 * fileread.cc (readv): Define if not HAVE_READV.
139 * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
141 * config.in: Regenerate.
142 * configure: Regenerate.
144 2009-10-09 Doug Kwan <dougkwan@google.com>
146 * layout.cc (Layout::make_output_section): Call target hook to make
147 ordinary output section.
148 (Layout::finalize): Adjust parameter list of call the
150 * layout.h (class Layout::section_list): New method.
151 * merge.h (Output_merge_base::entsize): Change visibility to public.
152 (Output_merge_base::is_string, Output_merge_base::do_is_string):
154 (Output_merge_string::do_is_string): New method.
155 * object.cc (Sized_relobj::do_setup): renamed from
156 Sized_relobj::set_up.
157 * object.h (Sized_relobj::adjust_shndx,
158 Sized_relobj::initializ_input_to_output_maps,
159 Sized_relobj::free_input_to_output_maps): Change visibilities to
161 (Sized_relobj::setup): Virtualize.
162 (Sized_relobj::do_setup): New method declaration.
163 (Sized_relobj::invalidate_section_offset,
164 Sized_relobj::do_invalidate_section_offset): New method decfinitions.
165 (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
166 * options.cc (parse_int): New function.
167 * options.h (parse_int): New declaration.
168 (DEFINE_int): New macro.
169 (stub_group_size): New option.
170 * output.cc (Output_section::Output_section): Initialize memebers
171 merge_section_map_, merge_section_by_properties_map_,
172 relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
173 (Output_section::add_input_section): Handled deferred code-fill
174 generation and remove an old comment.
175 (Output_section::add_relaxed_input_section): New method definition.
176 (Output_section::add_merge_input_section): Use merge section by
177 properties map to speed to search. Update merge section maps
179 (Output_section::build_relaxation_map): New method definition.
180 (Output_section::convert_input_sections_in_list_to_relaxed_sections):
182 (Output_section::relax_input_section): Renamed to
183 Output_section::convert_input_sections_to_relaxed_sections and change
184 interface to take a vector of pointers to relaxed sections.
185 (Output_section::find_merge_section,
186 Output_section::find_relaxed_input_section): New method definitions.
187 (Output_section::is_input_address_mapped,
188 Output_section::output_offset, Output_section::output_address):
189 Use output section data maps to speed up searching.
190 (Output_section::find_starting_output_address): Add comments.
191 (Output_section::do_write,
192 Output_section::write_to_postprocessing_buffer): Do code-fill
193 generation as appropriate.
194 (Output_section::get_input_sections): Invalidate relaxed input section
196 (Output_section::restore_states): Adjust type of checkpoint .
197 Invalidate relaxed input section map.
198 * output.h (Output_merge_base): New class declaration.
199 (Input_section_specifier): New class defintion.
200 (class Output_relaxed_input_section) Change base class to
201 Output_section_data_build.
202 (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
203 base class initializer.
204 (Output_section::add_relaxed_input_section): New method declaration.
205 (Output_section::Input_section): Change visibility to protected.
206 (Output_section::Input_section::relobj,
207 Output_section::Input_section::shndx): Handle relaxed input sections.
208 Output_section::input_sections) Change visibility to protected. Also
209 define overload to return a non-const pointer.
210 (Output_section::Merge_section_properties): New class defintion.
211 (Output_section::Merge_section_by_properties_map,
212 Output_section::Output_section_data_by_input_section_map,
213 Output_section::Relaxation_map): New types.
214 (Output_section::relax_input_section): Rename method to
215 Output_section::convert_input_sections_to_relaxed_sections and change
216 interface to take a vector of relaxed section pointers.
217 (Output_section::find_merge_section,
218 Output_section::find_relaxed_input_section,
219 Output_section::build_relaxation_map,
220 Output_section::convert_input_sections_in_list_to_relaxed_sections):
221 New method declarations.
222 (Output_section::merge_section_map_
223 Output_section::merge_section_by_properties_map_,
224 Output_section::relaxed_input_section_map_,
225 Output_section::is_relaxed_input_section_map_valid_,
226 Output_section::generate_code_fills_at_write_): New data members.
228 (Output_section_element_input::set_section_addresses): Call
229 current_data_size and addralign methods of relaxed input sections.
230 (Orphan_output_section::set_section_addresses): Call current_data_size
231 and addralign methods of relaxed input sections.
232 * symtab.cc (Symbol_table::compute_final_value): Extract template
233 from the body of Symbol_table::sized_finalize_symbol.
234 (Symbol_table::sized_finalized_symbol): Call
235 Symbol_table::compute_final_value.
236 * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
237 (Symbol_table::compute_final_value): New templated method declaration.
238 * target.cc (Target::do_make_output_section): New method defintion.
239 * target.h (Target::make_output_section): New method declaration.
240 (Target::relax): Add more parameters for input objects, symbol table
241 and layout. Adjust call to do_relax.
242 (Target::do_make_output_section): New method declaration.
243 (Target::do_relax): Add parameters for input objects, symbol table
246 2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
248 * pread.c: Include stdio.h.
250 2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
252 * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
255 2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
257 * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
258 Change read_shndx type to unsigned int.
259 (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
261 (Sized_dwarf_line_info::read_line_mappings): Likewise.
262 * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
263 Change read_shndx type to unsigned int.
264 (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
266 (Sized_dwarf_line_info::read_line_mappings): Likewise.
267 * layout.cc (Layout::create_symtab_sections): Cast the result of
268 local_symcount * symsize to off_t in the gold_assert.
270 2009-10-09 Viktor Kutuzov <vkutuzov@accesssoftek.com>
272 * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
273 R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
275 (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
276 (Arm_relocate_functions::thm_abs5): New function.
277 (Arm_relocate_functions::abs12): New function.
278 (Arm_relocate_functions::abs16): New function.
279 (Arm_relocate_functions::base_abs): New function.
280 (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
281 (Scan::local): Remove special handling of R_ARM_ABS8. Handle
282 R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
284 (Scan::global): Likewise.
285 (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
286 R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
287 (Relocatable_size_for_reloc::get_size_for_reloc): Handle
288 R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
291 2009-10-09 Viktor Kutuzov <vkutuzov@accesssoftek.com>
293 * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
294 (Arm_relocate_functions::movt_prel): New function.
295 (Arm_relocate_functions::thm_movw_prel_nc): New function.
296 (Arm_relocate_functions::thm_movt_prel): New function.
297 (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
298 R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
299 (Scan::global, Relocate::relocate): Likewise.
300 (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
302 2009-10-09 Mikolaj Zalewski <mikolajz@google.com>
304 * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
306 * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
308 (class Incremental_inputs_header): New class.
309 (Incremental_inputs_header_writer): Edit comment.
310 (Incremental_inputs_entry): New class.
311 (Incremental_inputs_entry_writer): Edit comment.
312 (Sized_incremental_binary::do_find_incremental_inputs_section):
313 Add *strtab_shndx parameter, fill it.
314 (Sized_incremental_binary::do_check_inputs): New method.
315 (Incremental_checker::can_incrementally_link_output_file): Use
316 Sized_incremental_binary::check_inputs.
317 (Incremental_inputs::report_command_line): Save command line in
320 (Incremental_binary::find_incremental_inputs_section): New
322 (Incremental_binary::do_find_incremental_inputs_section): Add
323 strtab_shndx parameter.
324 (Incremental_binary::do_check_inputs): New pure virtual method.
325 (Sized_incremental_binary::do_check_inputs): Declare.
326 (Incremental_checker::Incremental_checker): Add incremental_inputs
327 parameter, use it to initialize incremental_inputs_.
328 (Incremental_checker::incremental_inputs_): New field.
329 (Incremental_checker::command_line): New method.
330 (Incremental_checker::inputs): New method.
331 (Incremental_checker::command_line_): New field.
333 2009-10-09 Mikolaj Zalewski <mikolajz@google.com>
335 * incremental.cc: Include <cstdarg> and "target-select.h".
336 (vexplain_no_incremental): New function.
337 (explain_no_incremental): New function.
338 (Incremental_binary::error): New method.
339 (Sized_incremental_binary::do_find_incremental_inputs_section): New
341 (make_sized_incremental_binary): New function.
342 (open_incremental_binary): New function.
343 (can_incrementally_link_file): Add checks if output is ELF and has
345 * incremental.h: Include "elfcpp_file.h" and "output.h".
346 (Incremental_binary): New class.
347 (Sized_incremental_binary): New class.
348 (open_incremental_binary): Declare.
349 * object.cc (is_elf_object): Use
350 elfcpp::Elf_recognizer::is_elf_file.
351 (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
352 * output.h (Output_file::filesize): New method.
354 2009-10-07 Viktor Kutuzov <vkutuzov@accesssoftek.com>
356 * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
358 (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
359 (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
361 (Arm_relocate_functions::insert_val_thumb_movw_movt): New
363 (Arm_relocate_functions::movw_abs_nc): New function.
364 (Arm_relocate_functions::movt_abs): New function.
365 (Arm_relocate_functions::thm_movw_abs_nc): New function.
366 (Arm_relocate_functions::thm_movt_abs): New function.
367 (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
368 R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
369 (Scan::global): Likewise.
370 (Relocate::relocate): Likewise.
371 (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
373 2009-10-07 Viktor Kutuzov <vkutuzov@accesssoftek.com>
375 * arm.cc (Arm_relocate_functions::got_prel) New function.
376 (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
377 (Relocate::relocate): Likewise.
378 (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
380 2009-10-06 Ian Lance Taylor <iant@google.com>
382 * options.h (class General_options): Define
383 split_stack_adjust_size parameter.
384 * object.h (class Object): Add uses_split_stack_ and
385 has_no_split_stack_ fields. Add uses_split_stack and
386 has_no_split_stack accessor functions. Declare
387 handle_split_stack_section.
388 (class Reloc_symbol_changes): Define.
389 (class Sized_relobj): Define Function_offsets. Declare
390 split_stack_adjust, split_stack_adjust_reltype, and
392 * object.cc (Object::handle_split_stack_section): New function.
393 (Sized_relobj::do_layout): Call handle_split_stack_section.
394 * dynobj.cc (Sized_dynobj::do_layout): Call
395 handle_split_stack_section.
396 * reloc.cc (Sized_relobj::relocate_sections): Call
397 split_stack_adjust for executable sections in split_stack
398 objects. Pass reloc_map to relocate_section.
399 (Sized_relobj::split_stack_adjust): New function.
400 (Sized_relobj::split_stack_adjust_reltype): New function.
401 (Sized_relobj::find_functions): New function.
402 * target-reloc.h: Include "object.h".
403 (relocate_section): Add reloc_symbol_changes parameter. Change
405 * target.h (class Target): Add calls_non_split method. Declare
406 do_calls_non_split virtual method. Declare match_view and
408 * target.cc: Include "elfcpp.h".
409 (Target::do_calls_non_split): New function.
410 (Target::match_view): New function.
411 (Target::set_view_to_nop): New function.
412 * gold.cc (queue_middle_tasks): Give an error if mixing
413 split-stack and non-split-stack objects with -r.
414 * i386.cc (Target_i386::relocate_section): Add
415 reloc_symbol_changes parameter.
416 (Target_i386::do_calls_non_split): New function.
417 * x86_64.cc (Target_x86_64::relocate_section): Add
418 reloc_symbol_changes parameter.
419 (Target_x86_64::do_calls_non_split): New function.
420 * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
422 * powerpc.cc (Target_powerpc::relocate_section): Add
423 reloc_symbol_changes parameter.
424 * sparc.cc (Target_sparc::relocate_section): Add
425 reloc_symbol_changes parameter.
426 * configure.ac: Call AM_CONDITIONAL for the default target.
427 * configure: Rebuild.
428 * testsuite/Makefile.am (TEST_AS): New variable.
429 (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
430 (check_DATA): Add split_i386 and split_x86_64 files.
431 (SPLIT_DEFSYMS): Define.
432 (split_i386_[1234n].o): New targets.
433 (split_i386_[124]): New targets.
434 (split_i386_[1234r].stdout): New targets.
435 (split_x86_64_[1234n].o): New targets.
436 (split_x86_64_[124]): New targets.
437 (split_x86_64_[1234r].stdout): New targets.
438 (MOSTLYCLEANFILES): Add new executables.
439 * testsuite/split_i386.sh: New file.
440 * testsuite/split_x86_64.sh: New file.
441 * testsuite/split_i386_1.s: New file.
442 * testsuite/split_i386_2.s: New file.
443 * testsuite/split_i386_3.s: New file.
444 * testsuite/split_i386_4.s: New file.
445 * testsuite/split_i386_n.s: New file.
446 * testsuite/split_x86_64_1.s: New file.
447 * testsuite/split_x86_64_2.s: New file.
448 * testsuite/split_x86_64_3.s: New file.
449 * testsuite/split_x86_64_4.s: New file.
450 * testsuite/split_x86_64_n.s: New file.
451 * testsuite/testfile.cc (Target_test): Update relocation_section
453 * testsuite/Makefile.in: Rebuild.
455 2009-10-06 Ian Lance Taylor <iant@google.com>
457 * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
458 (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
459 changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE. When
460 handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
461 the address on ldo_addrs_.
462 (Target_i386::Relocate::fix_up_ldo): New function.
464 2009-10-06 Rafael Espindola <espindola@google.com>
466 * plugin.cc (add_input_library): New.
467 (Plugin::load): Add add_input_library to tv.
468 (Plugin_manager::add_input_file): Add the is_lib argument.
469 (add_input_file): Update call to Plugin_manager::add_input_file.
470 (add_input_library): New.
471 * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
473 2009-09-30 Doug Kwan <dougkwan@google.com>
475 * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
476 symbol and call Symbol::may_need_copy_reloc to determine if
477 a copy reloc is needed.
478 * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
479 nocopyreloc is given in command line.
480 (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
481 given in command line.
482 * i386.cc (Target_i386::may_need_copy_reloc): Remove.
483 (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
484 of the removed Target_i386::may_need_copy_reloc.
485 * options.h (copyreloc): New option with default value false.
486 * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
487 (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
488 instead of the removed Target_powerpc::may_need_copy_reloc.
489 * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
490 (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
491 instead of the removed Target_sparc::may_need_copy_reloc.
492 * symtab.h (Symbol::may_need_copy_reloc): New method definition.
493 * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
494 (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
495 instead of the removed Target_x86_64::may_need_copy_reloc.
497 2009-09-30 Ian Lance Taylor <iant@google.com>
499 * object.h (class Object): Remove target_ field, and target,
500 sized_target, and set_target methods.
501 (Object::sized_target): Remove.
502 (class Sized_relobj): Update declarations. Remove sized_target.
503 * object.cc (Sized_relobj::setup): Remove target parameter.
505 (Input_objects::add_object): Don't do anything with the target.
506 (make_elf_sized_object): Add punconfigured parameter. Change all
507 callers. Set or test parameter target.
508 * dynobj.cc (Sized_dynobj::target): Remove target parameter.
510 * parameters.cc (Parameters::set_target): Change parameter type to
512 (Parameters::default_target): Remove.
513 (set_parameters_target): Change parameter type to be non-const.
514 (parameters_force_valid_target): New function.
515 (parameters_clear_target): New function.
516 * parameters.h (class Parameters): Update declarations. Remove
517 default_target method. Add sized_target and clear_target
518 methods. Change target_ to be non-const.
519 (set_parameters_target): Update declaration.
520 (parameters_force_valid_target): Declare.
521 (parameters_clear_target): Declare.
522 * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
523 as NULL if we aren't searching.
524 (Add_symbols::run): Don't check for compatible target.
525 * fileread.cc (Input_file::open_binary): Call
526 parameters_force_valid_target.
527 * gold.cc (queue_middle_tasks): Likewise.
528 * plugin.cc (make_sized_plugin_object): Likewise. Don't call
529 set_target on object.
530 * dynobj.h (class Sized_dynobj): Update declarations.
531 * archive.cc (Archive::get_elf_object_for_member): Return NULL if
532 make_elf_object returns NULL.
533 (Archive::include_member): Don't check whether object target is
535 * output.cc (Output_section::add_input_section): Get target from
537 (Output_section::relax_input_section): Likewise.
538 * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
540 (Sized_relobj::do_scan_relocs): Likewise.
541 (Sized_relobj::relocate_sections): Likewise.
542 * resolve.cc (Symbol_table::resolve): Likewise.
543 * symtab.cc (Symbol_table::wrap_symbol): Likewise. Remove object
544 parameter. Change all callers.
545 (Symbol_table::add_from_object): Get target from parameters.
546 (Symbol_table::add_from_relobj): Don't check object target.
547 (Symbol_table::add_from_dynobj): Likewise.
548 (Symbol_table::define_special_symbol): Get target from
550 * symtab.h (class Symbol_table): Update declaration.
551 * testsuite/binary_unittest.cc (gold_testsuite): Remove target
552 parameter. Change all callers. Clear parameter target.
553 (Binary_test): Test target here.
554 * testsuite/object_unittest.cc (gold_testsuite): Remove
555 target_test_pointer parameter. Change all callers.
556 (Object_test): Test target here.
558 2009-09-26 Ian Lance Taylor <iant@google.com>
560 * testsuite/initpri1.c: Don't try to use constructor priorities if
561 compiling with gcc before 4.3.
563 2009-09-22 Mikolaj Zalewski <mikolajz@google.com>
565 * testsuite/retain_symbols_file_test.sh (check_present): Change
566 output file name to retain_symbols_file_test.stdout.
567 (check_absent): Likewise.
569 2009-09-18 Craig Silverstein <csilvers@google.com>
571 * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
572 * options.cc: Include <cerrno> and <fstream>.
573 (General_options::finalize): Parse -retain-symbols-file tag.
574 * options.h: New flag.
575 (General_options): New method should_retain_symbol, new
576 variable symbols_to_retain.
577 * symtab.cc (Symbol_table::sized_finalize_symbol): Test
578 should_retain_symbol map.
579 * testsuite/Makefile.am (retain_symbols_file_test): New test.
580 * testsuite/Makefile.in: Regenerate.
581 * testsuite/retain_symbols_file_test.sh: New file.
583 2009-09-18 Nick Clifton <nickc@redhat.com>
585 * po/es.po: Updated Spanish translation.
587 2009-09-17 Doug Kwan <dougkwan@google.com>
589 * debug.h (DEBUG_RELAXATION): New constant.
590 (DEBUG_ALL): Add DEBUG_RELAXATION.
591 (debug_string_to_enum): Add relaxation debug option.
593 (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
594 Layout::Relaxation_debug_check::read_sections,
595 Layout::Relaxation_debug_check::read_sections): New method definitions.
596 (Layout::Layout): Initialize data members
597 record_output_section_data_from_scrips_,
598 script_output_section_data_list_ and relaxation_debug_check_.
599 (Layout::save_segments, Layout::restore_segments,
600 Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
601 Layout::relaxation_loop_body): New method definitions.
602 (Layout::finalize): Support relaxation. Move section layout code to
603 Layout::relaxation_loop_body.
604 (Layout::set_asection_address_from_script): Move code for orphan
605 section placement out.
606 (Layout::place_orphan_sections_in_script): New method definition.
607 * layout.h (Output_segment_headers, Output_file_header):
608 New forward class declarations.
609 (Layout::~Layout): Define.
610 (Layout::new_output_section_data_from_script): New method definition.
611 (Layout::place_orphan_sections_in_script): New method declaration.
612 (Layout::Segment_states): New type declaration.
613 (Layout::save_segments, Layout::restore_segments,
614 Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
615 Layout::relaxation_loop_body): New method declarations.
616 (Layout::Output_section_data_list): New type declaration.
617 (Layout::Relaxation_debug_check): New class definition.
618 (Layout::record_output_section_data_from_script_,
619 Layout::script_output_section_data_list_, Layout::segment_states_,
620 Layout::relaxation_debug_check_): New data members.
621 * output.cc: (Output_section_headers::do_size): New method definition.
622 (Output_section_headers::Output_section_headers): Move size
623 computation to Output_section_headers::do_size.
624 (Output_segment_headers::do_size): New method definition.
625 (Output_file_header::Output_file_header): Move size computation to
626 Output_file_header::do_size and call it.
627 (Output_file_header::do_size): New method definition.
628 (Output_data_group::Output_data_group): Adjust call to
630 (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
631 (Output_symtab_xindex::do_write): Add array bound check.
632 (Output_section::Input_section::print_to_mapfile): Handle
633 RELAXED_INPUT_SECTION_CODE.
634 (Output_section::Output_section): Initialize data member checkpoint_.
635 (Output_section::~Output_section): Delete checkpoint object pointed
637 (Output_section::add_input_section): Always add an Input_section if
639 (Output_section::add_merge_input_section): Add assert.
640 (Output_section::relax_input_section): New method definition.
641 (Output_section::set_final_data_size): Set load address to zero for
642 an unallocated section.
643 (Output_section::do_address_and_file_offset_have_reset_values):
644 New method definition.
645 (Output_section::Input_section_sort_enty::Input_section_sort_enty):
646 Handle relaxed input section.
647 (Output_section::sort_attached_input_sections): Checkpoint input
649 (Output_section::get_input_sections): Change type of input_sections to
650 list of Simple_input_section pointers. Checkpoint input section list
651 lazily. Also handle relaxed input sections.
652 (Output_section::add_input_section_for_script): Take a reference to
653 a Simple_input_section object instead of Relobj pointer and section
654 index as parameter. Handle relaxed input sections.
655 (Output_section::save_states, Output_section::restore_states): New
657 * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
658 (Output_data::is_data_size_fixed): New method definition.
659 (Output_data::reset_addresss_and_file_offset): Do not reset data size
661 (Output_data::address_and_file_offset_have_reset_values): New method
663 (Output_data::do_address_and_file_offset_have_reset_values): New method
665 (Output_data::set_data_size): Check that data size is not fixed.
666 (Output_data::fix_data_size): New method definition.
667 (Output_data::is_data_size_fixed_): New data member.
668 (Output_section_headers::set_final_data_size): New method definition.
669 (Output_section_headers::do_size): New method declaration.
670 (Output_segment_headers::set_final_data_size): New method definition.
671 (Output_segment_headers::do_size): New method declaration.
672 (Output_file_header::set_final_data_size)::New method definition.
673 (Output_file_header::do_size)::New method declaration.
674 (Output_section_data::Output_section_data): Add new parameter
675 is_data_size_fixed and use it to fix data size.
676 (Output_data_const::Output_data_const): Adjust call to base class
677 constructor and fix data size.
678 (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
679 base class constructor and fix data size.
680 (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
681 base class constructor and fix data size.
682 (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
683 class constructor and fix data size.
684 (Output_data_group::set_final_data_size): New method definition.
685 (Output_data_dynamic::Dynamic_entry::tag): New method definition.
686 (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
687 class constructor and fix data size.
688 (Output_relaxed_input_section): New class definition.
689 (Output_section::Simple_input_section): New class definition.
690 (Output_section::get_input_sections): Adjust parameter list.
691 (Output_section::add_input_section_for_script): Same.
692 (Output_section::save_states, Output_section::restore_states,
693 Output_section::do_address_and_file_offset_have_reset_values,
694 (Output_section::Input_section::Input_section): Handle
695 RELAXED_INPUT_SECTION_CODE. Add new overload for
696 Output_relaxed_input_section.
697 (Output_section::Input_section::is_input_section,
698 Output_section::Input_section::set_output_section): Handle relaxed
700 (Output_section::Input_section::is_relaxed_input_section,
701 Output_section::Input_section::output_section_data,
702 Output_section::Input_section::relaxed_input_section): New method
704 (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
706 (Output_section::Input_section::u1_): Update comments.
707 (Output_section::Input_section::u2_): Add new union member poris.
708 (Output_section::Checkpoint_output_section): New classs definition.
709 (Output_section::relax_input_section): New method declaration.
710 (Output_section::checkpoint_): New data member.
711 (Output_segment): Update comments.
712 (Output_segment::Output_segment): Un-privatize copy constructor.
713 (Output_segment::operator=): Un-privatize.
714 * script-sections.cc (Output_section_element::Input_section_list):
715 Change element type to Output_section::Simple_input_section.
716 (Output_section_element_dot_assignment::set_section_addresses):
717 Register output section data for relaxation clean up.
718 (Output_data_exression::Output_data_expression): Adjust call to base
719 constructor to fix data size.
720 (Output_section_element_data::set_section_addresses): Register
721 Output_data_expression object for relaxation clean up.
722 (struct Input_section_info): Replace Relobj pointer and section index
723 pair with Output_section::Simple_input_section and Convert struct to a
725 (Input_section_sorter::operator()): Adjust access to
726 Input_section_info data member to use accessors.
727 (Output_section_element_input::set_section_addresses): Use layout
728 parameter. Adjust code to use Output_section::Simple_input_section
729 and Input_secction_info classes. Register filler for relaxation
731 (Orphan_output_section::set_section_addresses): Replace Relobj pointer
732 and section index pair with Output_section::Simple_input_section
733 class. Adjust code accordingly.
734 (Phdrs_element::release_segment): New method definition.
735 (Script_sections::attach_sections_using_phdrs_clause): Do not modify
737 (Script_sections::release_segments): New method definition.
738 * gold/script-sections.h (Script_sections::release_segments): New
740 * gold/target.h (Target::may_relax, Target::relax,
741 Target::do_may_relax, Target::do_relax): New method definitions.
743 2009-09-17 Viktor Kutuzov <vkutuzov@accesssoftek.com>
745 * arm.cc (has_signed_unsigned_overflow): New function.
746 (Arm_relocate_functions::abs8): New function.
747 (Target_arm::Scan::local): Handle R_ARM_ABS8.
748 (Target_arm::Scan::global): Likewise.
749 (Target_arm::relocate::relocate): Likewise.
750 (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
753 2009-09-16 Cary Coutant <ccoutant@google.com>
755 * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
756 * testsuite/Makefile.in: Regenerate.
758 2009-09-11 Nick Clifton <nickc@redhat.com>
760 * po/gold.pot: Updated by the Translation project.
762 2009-09-08 Cary Coutant <ccoutant@google.com>
764 * output.cc (Output_file::open): Add execute permission to empty file.
765 * testsuite/Makefile.am (permission_test): New test.
766 * testsuite/Makefile.in: Regenerate.
768 2009-09-02 Ian Lance Taylor <iant@google.com>
770 * output.cc (Output_file::resize): Call map_no_anonymous rather
773 2009-09-01 Mikolaj Zalewski <mikolajz@google.com>
775 * gold.cc: Include "incremental.h".
776 (queue_initial_tasks): Call Incremental_checker methods.
777 * incremental.cc: Include "output.h".
778 (Incremental_checker::can_incrementally_link_output_file): New
780 * incremental.h (Incremental_checker): New class.
782 * output.cc (Output_file::open_for_modification): New method.
783 (Output_file::map_anonymous): Changed return type to bool. Record
785 (Output_file::map_no_anonymous): New method, broken out of map.
786 (Output_file::map): Use map_no_anonymous and map_anonymous.
787 * output.h (class Output_file): Update declarations.
789 2009-08-24 Cary Coutant <ccoutant@google.com>
791 * options.h (Command_line::Pre_options): New class.
792 (Command_line::pre_options): New member.
793 * options.cc (gold::options::ready_to_register): New variable.
794 (One_option::register_option): Do nothing if not registering options.
795 Assert if same short option registered twice.
796 (General_options::General_options): Turn off option registration when
798 (Command_line::Pre_options::Pre_options): New constructor.
800 2009-08-24 Cary Coutant <ccoutant@google.com>
802 * options.h (General_options::no_keep_memory): Remove incorrect
805 2009-08-24 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
807 * Makefile.am (am__skiplex, am__skipyacc): New.
808 * Makefile.in: Regenerate.
810 2009-08-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
812 * Makefile.am (AM_CPPFLAGS): Renamed from ...
813 (INCLUDES): ... this.
814 * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
815 (AM_CPPFLAGS): Renamed from ...
817 * Makefile.in, testsuite/Makefile.in: Regenerate.
819 * Makefile.in: Regenerate.
820 * aclocal.m4: Likewise.
821 * config.in: Likewise.
822 * configure: Likewise.
823 * testsuite/Makefile.in: Likewise.
825 * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
826 * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
827 * Makefile.in: Regenerate.
828 * testsuite/Makefile.in: Regenerate.
830 2009-08-19 Cary Coutant <ccoutant@google.com>
832 * resolve.cc (Symbol_table::resolve): Don't complain about defined
833 symbols in shared libraries overridden by hidden or internal symbols
836 2009-08-19 Chris Demetriou <cgd@google.com>
838 * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
839 checking source file names in error messages.
841 2009-08-18 Doug Kwan <dougkwan@google.com>
843 * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
844 an elcpp::Ehdr as parameter. Adjust call to set_target.
845 * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
846 an elfcpp::Ehdr as parameter.
847 * object.cc (Object::set_target): Remove the version that looks up
848 a target and sets it.
849 (Sized_relobj::setup): Take a Target object instead of
850 an elfcpp::Ehdr as parameter. Adjust call to set_target.
851 (make_elf_sized_object): Find target and ask target to
853 * object.h: (Object::set_target): Remove the version that looks up
854 a target and sets it.
855 (Sized_relobj::setup): Take a Target object instead of
856 an elfcpp:Ehdr as parameter.
857 * target.cc: Include dynobj.h.
858 (Target::do_make_elf_object_implementation): New.
859 (Target::do_make_elf_object): New.
860 * target.h (Target::make_elf_object): New template declaration.
861 (Target::do_make_elf_object): New method declarations.
862 (Target::do_make_elf_object_implementation): New template declaration.
864 2009-08-14 Ian Lance Taylor <iant@google.com>
866 * gold.h (FUNCTION_NAME): Define.
867 (gold_unreachable): Use FUNCTION_NAME.
869 2009-08-12 Sriraman Tallam <tmsriram@google.com>
871 * icf.cc (Icf::find_identical_sections): Issue a warning when a
872 symbol in the --keep-unique list is not found.
874 2009-08-12 Sriraman Tallam <tmsriram@google.com>
876 * icf.cc (Icf::find_identical_sections): Unfold symbols that have
877 been maked as --keep-unique.
878 (Icf::unfold_section): New function.
879 * icf.h (Icf::unfold_section): New function.
880 * options.h (General_options::keep_unique): New option.
881 * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
882 * testsuite/Makefile.in: Regenerate.
883 * testsuite/icf_keep_unique_test.sh: New file.
884 * testsuite/icf_keep_unique_test.cc: New file.
886 2009-08-12 Cary Coutant <ccoutant@google.com>
889 * resolve.cc (Symbol_table::resolve): Check for references from
890 dynamic objects to hidden and internal symbols.
891 * testsuite/Makefile.am (hidden_test.sh): New test.
892 * testsuite/Makefile.in: Regenerate.
893 * testsuite/hidden_test.sh: New script.
894 * testsuite/hidden_test_1.c: New test source.
895 * testsuite/hidden_test_main.c: New test source.
897 2009-08-11 Doug Kwan <dougkwan@google.com>
899 * arm.cc: Update comments.
900 (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
901 segment to locate the .ARM.exidx section if present.
903 2009-08-09 Doug Kwan <dougkwan@google.com>
905 * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
908 2009-08-07 Sriraman Tallam <tmsriram@google.com>
909 * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
912 2009-08-06 Sriraman Tallam <tmsriram@google.com>
914 * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
915 valid tls_segment only for non-debug-section relocations.
916 * testsuite/Makefile.am: Add gc_tls_test.
917 * testsuite/Makefile.in: Regenerate.
918 * testsuite/gc_tls_test.cc: New file.
919 * testsuite/gc_tls_test.sh: New file.
921 2009-08-05 Sriraman Tallam <tmsriram@google.com>
925 * Makefile.am (CCFILES): Add icf.cc.
927 * Makefile.in: Regenerate.
928 * dynobj.h (Sized_dynobj::do_section_entsize): New function.
929 * gc.h (gc_process_relocs): Populate lists used by icf to contain
930 section, symbol and addend information for the relocs.
931 * gold.cc (queue_middle_tasks): Call identical code folding.
932 * gold.h: Add defines for multimap.
933 * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
934 to the call of finalize_local_symbols.
935 * main.cc (main): Create object of class Icf.
936 * object.cc (Sized_relobj::do_layout): Allow this function to be
937 called twice during icf.
938 (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
939 to sections marked as identical by icf.
940 (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
942 (Sized_relobj::do_section_entsize): New function.
943 * object.h (Object::section_entsize): New function.
944 (Object::do_section_entsize): New pure virtual function.
945 (Relobj::finalize_local_symbols): Add new parameter.
946 (Relobj::do_section_entsize): New function.
947 * options.h (General_options::icf): New option.
948 (General_options::icf_iterations): New option.
949 (General_options::print_icf_sections): New option.
950 * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
951 * plugin.h (Sized_pluginobj::do_section_entsize): New function.
952 * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
954 * symtab.cc (Symbol_table::is_section_folded): New function.
955 (Symbol_table::sized_finalize_symbol): Fold symbols corresponding
956 to sections marked as identical by icf.
957 * symtab.h (Symbol_table::set_icf): New function.
958 (Symbol_table::icf): New function.
959 (Symbol_table::is_section_folded): New function.
960 (Symbol_table::icf_): New data member.
961 * target-reloc.h (relocate_section): Ignore sections folded by icf.
962 * testsuite/Makefile.am: Add commands to build icf_test.
963 * testsuite/Makefile.in: Regenerate.
964 * testsuite/icf_test.sh: New file.
965 * testsuite/icf_test.cc: New file.
967 2009-07-24 Chris Demetriou <cgd@google.com>
969 * layout.cc (is_compressible_debug_section): Fix incorrect
970 comment about compressed section names.
972 2009-07-20 Ian Lance Taylor <ian@airs.com>
975 * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
977 2009-07-16 Ian Lance Taylor <iant@google.com>
980 * layout.h: #include <map>.
981 (class Kept_section): Change from struct to class. Add accessors
982 and setters. Add section size to Comdat_group mapping. Change
983 Comdat_group to std::map. Add is_comdat_ field. Add
984 linkonce_size field in union.
985 (class Layout): Update declaration of find_or_add_kept_section.
986 Don't declare find_kept_object.
987 * layout.cc (Layout::find_or_add_kept_section): Remove candidate
988 parameter. Add object, shndx, is_comdat, and is_group_name
989 parameters. Change all callers. Adjust for new Kept_section.
990 (Layout::find_kept_object): Remove.
991 * object.cc (Sized_relobj::include_section_group): Update use of
992 Kept_section. Rename secnum to shndx. Only record
993 Kept_comdat_section if sections are the same size.
994 (Sized_relobj::include_linkonce_section): Update use of
995 Kept_section. Only record Kept_comdat_section if sections are the
996 same size. Set size of linkonce section.
997 (Sized_relobj::map_to_kept_section): Update call to
998 get_kept_comdat_section.
999 * object.h (class Sized_relobj): Rename fields in
1000 Kept_comdat_section to drop trailing underscores; change object
1001 field to Relobj*. Change Kept_comdat_section_table to store
1002 struct rather than pointer.
1003 (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
1004 Add kept_object and kept_shndx parameters. Change all callers.
1005 (Sized_relobj::get_kept_comdat_section): Change return type to
1006 bool. Add kept_object and kept_shndx parameters. Change all
1008 * plugin.cc (Pluginobj::include_comdat_group): Update call to
1009 Layout::find_or_add_kept_section.
1011 2009-07-09 Ian Lance Taylor <iant@google.com>
1013 * merge.cc (Object_merge_map::initialize_input_to_output_map):
1014 Reserve space in the hash table.
1016 2009-07-06 Mikolaj Zalewski <mikolajz@google.com>
1018 * fileread.cc (File_read::get_mtime): New method.
1019 * fileread.h (Timespec): New structure.
1020 (File_read::get_mtime): New method.
1021 * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
1022 Renamed from timestamp_nsec.
1023 (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
1025 (Incremental_inputs_entry_write::timestamp_usec): Renamed from
1027 (Incremental_inputs::report_archive): Save mtime; style fix.
1028 (Incremental_inputs::report_obejct): Save mtime; style fix.
1029 (Incremental_inputs::report_script): Save mtime; style fix.
1030 (Incremental_inputs::finalize_inputs): Style fix.
1031 (Incremental_inputs::finalize): Style fix.
1032 (Incremental_inputs::create_input_section_data): Store inputs
1034 * incremental.h (Incremental_inputs::report_script): Add mtime
1036 (Incremental_inputs::Input_info::Input_info): Intialize only one
1038 (Incremental_inputs::Input_info::archive): Move to nameless
1040 (Incremental_inputs::Input_info::obejct): Move to nameless union.
1041 (Incremental_inputs::Input_info::script): Move to nameless union.
1042 (Incremental_inputs::mtime): New field.
1043 * script.cc (read_input_script): Pass file mtime to
1045 * script.h (Script_info::inputs): Style fix.
1047 2009-07-01 Ian Lance Taylor <ian@airs.com>
1049 * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
1052 2009-06-24 Ian Lance Taylor <iant@google.com>
1055 * layout.cc (Layout::choose_output_section): If we find an
1056 existing section, update the flags.
1057 (Layout::create_notes): New function, broken out of
1059 (Layout::finalize): Don't create note sections.
1060 (Layout::create_note): Don't crash if linker script discards
1062 (Layout::create_gold_note): Likewise.
1063 (Layout::create_build_id): Likewise. Don't set
1064 after_input_sections on the section.
1065 (Layout::create_executable_stack_info): Remove target parameter.
1067 * layout.h (class Layout): Declare create_notes. Update
1068 declaration of create_executable_stack_info.
1069 * gold.cc (queue_middle_tasks): Call create_notes.
1070 * output.cc (Output_section::update_flags_for_input_section): Move
1071 here from output.h. If SHF_ALLOC flag is newly set, mark address
1073 * output.h (Output_data::mark_address_invalid): New function.
1074 (class Output_section): Only declare, not define,
1075 update_flags_for_input_section. Remove set_flags.
1077 2009-06-24 Ian Lance Taylor <iant@google.com>
1079 * script-sections.cc (Output_section_definition::
1080 set_section_addresses): Rename shadowing local load_address to
1083 2009-06-24 Ian Lance Taylor <iant@google.com>
1086 * reloc.cc (relocate_sections): Skip empty relocation sections.
1088 2009-06-23 Ian Lance Taylor <iant@google.com>
1091 * layout.cc (Layout::create_note): Use choose_output_section
1092 rather than make_output_section.
1094 2009-06-23 Ian Lance Taylor <iant@google.com>
1097 * options.cc (General_options::parse_V): Set printed_version_.
1098 (General_options::General_options): Initialize printed_version_.
1099 * options.h (class General_options): Add printed_version_ field.
1100 * gold.cc (queue_initial_tasks): If there are no input files,
1101 don't give a fatal error if we printed the version information.
1102 (queue_middle_tasks): If using -r with a shared object, give a
1103 fatal error rather than an ordinary error.
1105 2009-06-23 Ian Lance Taylor <iant@google.com>
1108 * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
1109 (Layout::make_output_section): Set have_stabstr_section_ if we see
1110 a .stab*str section.
1111 (Layout::finalize): Call link_stabs_sections.
1112 (Layout::link_stabs_sections): New file.
1113 * layout.h (class Layout): Add have_stabstr_section_ field.
1114 Declare link_stabs_sections.
1116 2009-06-23 Doug Kwan <dougkwan@google.com>
1118 * Makefile.am (libgold_a_LIBADD): New.
1119 (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
1120 * Makefile.in: Regenerate.
1121 * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
1122 * configure: Regenerate.
1123 * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
1124 * fileread.cc: Include sys/state.h
1125 * gold.h: Declare memmem and strndup if found missing.
1126 * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
1128 2009-06-23 Ian Lance Taylor <iant@google.com>
1130 * configure.ac: Call AC_CHECK_DECLS using C, not C++.
1131 * configure: Rebuild.
1133 2009-06-23 Ian Lance Taylor <iant@google.com>
1136 * object.cc (Object::section_contents): Don't try to get a view if
1137 the section has length zero.
1138 (Object::handle_gnu_warning_section): If the section is empty, use
1139 the name of the section as the warning.
1141 2009-06-23 Ian Lance Taylor <iant@google.com>
1144 * stringpool.h (class Stringpool_template): Add optimize_ field.
1145 (Stringpool_template::set_optimize): New function.
1146 * stringpool.cc (Stringpool_template::Stringpool_template):
1147 Initialize optimize_ field.
1148 (Stringpool_template::set_string_offsets): Test local optimize
1149 fild rather than parameter.
1150 * layout.cc (Layout::Layout): Call set_optimize on the section
1153 2009-06-22 Ian Lance Taylor <iant@google.com>
1156 * yyscript.y: Parse TARGET.
1157 * script.cc (script_set_target): New function.
1158 * script-c.h (script_set_target): Declare.
1159 * options.cc (General_options::string_to_object_format): Rename
1160 from string_to_object_format in anonymous namespace. Change
1162 * options.h (class General_options): Declare
1163 string_to_object_format.
1165 2009-06-22 Ian Lance Taylor <iant@google.com>
1167 * script-sections.cc (Script_sections::create_segments): Don't put
1168 program headers in a PT_LOAD segment if -n or -N.
1170 2009-06-22 Ian Lance Taylor <iant@google.com>
1173 * options.h (class General_options): Add -z lazy and -z now. Sort
1174 -z options into alphabetical order.
1175 * layout.cc (Layout::finish_dynamic_section): Handle -z now.
1177 2009-06-21 Ian Lance Taylor <iant@google.com>
1179 * layout.cc (Layout::make_output_section): Call
1180 Target::new_output_section.
1181 (Layout::attach_allocated_section_to_segment): Put large section
1182 sections in a separate load segment with the large segment flag
1184 (Layout::segment_precedes): Sort large data segments after other
1186 (align_file_offset): New static function.
1187 (Layout::set_segment_offsets): Use align_file_offset.
1188 * output.h (class Output_section): Add is_small_section_ and
1189 is_large_section_ fields.
1190 (Output_section::is_small_section): New function.
1191 (Output_section::set_is_small_section): New function.
1192 (Output_section::is_large_section): New function.
1193 (Output_section::set_is_large_section): New function.
1194 (Output_section::is_large_data_section): New function.
1195 (class Output_segment): Add is_large_data_segment_ field.
1196 (Output_segment::is_large_data_segment): New function.
1197 (Output_segment::set_is_large_data_segment): New function.
1198 * output.cc (Output_section::Output_section): Initialize new
1200 (Output_segment::Output_segment): Likewise.
1201 (Output_segment::add_output_section): Add assertion that large
1202 data sections always go in large data segments. Force small data
1203 sections to the end of the list of data sections. Force small BSS
1204 sections to the start of the list of BSS sections. For large BSS
1205 sections to the end of the list of BSS sections.
1206 * symtab.h (class Symbol): Declare is_common_shndx.
1207 (Symbol::is_defined): Check Symbol::is_common_shndx.
1208 (Symbol::is_common): Likewise.
1209 (class Symbol_table): Define enum Commons_section_type. Update
1210 declarations. Add small_commons_ and large_commons_ fields.
1211 * symtab.cc (Symbol::is_common_shndx): New function.
1212 (Symbol_table::Symbol_table): Initialize new fields.
1213 (Symbol_table::add_from_object): Put small and large common
1214 symbols in the right list.
1215 (Symbol_table::sized_finalized_symbol): Check
1216 Symbol::is_common_shndx.
1217 (Symbol_table::sized_write_globals): Likewise.
1218 * common.cc (Symbol_table::do_allocate_commons): Allocate new
1219 common symbol lists. Don't call do_allocate_commons_list if the
1221 (Symbol_table::do_allocate_commons_list): Remove is_tls
1222 parameter. Add comons_section_type parameter. Change all
1223 callers. Handle small and large common symbols.
1224 * object.cc (Sized_relobj::do_finalize_local_symbols): Check
1225 Symbol::is_common_shndx.
1226 * resolve.cc (symbol_to_bits): Likewise.
1227 * target.h (Target::small_common_shndx): New function.
1228 (Target::small_common_section_flags): New function.
1229 (Target::large_common_shndx): New function.
1230 (Target::large_common_section_flags): New function.
1231 (Target::new_output_section): New function.
1232 (Target::Target_info): Add small_common_shndx, large_common_shndx,
1233 small_common_section_flags, and large_common_section_flags
1235 (Target::do_new_output_section): New virtual function.
1236 * arm.cc (Target_arm::arm_info): Initialize new fields.
1237 * i386.cc (Target_i386::i386_info): Likewise.
1238 * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
1240 * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
1241 * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
1242 (Target_x86_64::do_new_output_section): New function.
1243 * configure.ac: Define conditional MCMODEL_MEDIUM.
1244 * testsuite/Makefile.am (check_PROGRAMS): Add large.
1245 (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
1246 (large_LDFLAGS): Define.
1247 * testsuite/large.c: New file.
1248 * testsuite/testfile.cc (Target_test::test_target_info):
1249 Initialize new fields.
1250 * configure, testsuite/Makefile.in: Rebuild.
1252 2009-06-05 Doug Kwan <dougkwan@google.com>
1254 * Makefile.am (CCFILES): Add target.cc.
1255 * Makefile.in: Regenerate.
1256 * i386.cc (class Target_i386): Define new virtual method to
1257 override do_is_local_label_name in parent.
1258 * object.cc (Sized_relobj::do_count_local_symbols): Discard
1259 local symbols if --discard-locals or -X is given.
1260 * options.h (class General_options): Declare new options
1261 '--discard-locals' and '-X' for discarding locals.
1262 * target.h (class Target): Define new methods is_local_label_name.
1263 Declare new virtual method do_is_local_label_name.
1264 * target.cc: New file.
1265 * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
1266 (check_SCRIPTS): Add discard_locals_test.sh.
1267 (check_DATA): Add discard_local_tests.syms.
1268 (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
1269 (discard_local_tests.syms, discard_locals_test.o): New make rules.
1270 * testsuite/Makefile.in: Regenerate.
1271 * testsuite/discard_locals_test.c: New file.
1272 * testsuite/discard_locals_test.sh: Same.
1274 2009-06-05 Doug Kwan <dougkwan@google.com>
1276 * object.cc (Sized_relobj::Sized_relobj): Initialize
1277 discarded_eh_frame_shndx_ to -1U.
1278 (Sized_relobj::do_layout): Record index of a discard .eh_frame
1280 (Sized_relobj::do_count_local_symbols): Skip local symbols in
1281 a discarded .eh_frame section.
1282 (Sized_relobj::do_finalize_local_symbols): Ditto.
1283 * object.h (class Sized_relobj): Declare new member
1284 discarded_eh_frame_shndx_.
1285 * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
1286 (local_labels_test.o, local_labels_test): New rules.
1287 * testsuite/Makefile.in: Regenerate.
1289 2009-06-04 Doug Kwan <dougkwan@google.com>
1291 * layout.cc (Layout::section_name_mapping): Add mapping for
1292 special ARM sections.
1294 2009-06-03 Doug Kwan <dougkwan@google.com>
1296 * arm.cc (utils::sign_extend): Reverse test in gold_assert.
1297 (utils::has_overflow): Same.
1299 2009-06-03 Ian Lance Taylor <iant@google.com>
1301 * layout.cc (Layout::section_name_mapping): New array, replacing
1302 Layout::linkonce_mapping.
1303 (Layout::section_name_mapping_count): New variable, replacing
1304 Layout::linkonce_mapping_count.
1305 (Layout::linkonce_output_name): Remove.
1306 (Layout::output_section_name): Rewrite.
1307 * layout.h (class Layout): Rename Linkonce_mapping to
1308 Section_name_mapping, linkonce_mapping to section_name_mapping,
1309 linkonce_mapping_count to section_name_mapping_count. Don't
1310 declare linkonce_output_name.
1312 2009-06-03 Doug Kwan <dougkwan@google.com>
1314 * gold/arm.cc (namespace utils): New.
1315 (Target_arm::reloc_is_non_pic): Define new method.
1316 (class Arm_relocate_functions): New.
1317 (Target_arm::Relocate::relocate): Handle relocation types used by
1320 2009-06-03 Ian Lance Taylor <iant@google.com>
1322 * arm.cc (Target_arm::scan::global): Use || instead of |.
1324 2009-06-02 Doug Kwan <dougkwan@google.com>
1326 * gold/arm.cc (Target_arm::Scan::Scan): Initialize
1327 issued_non_pic_error_.
1328 (class Target_arm::Scan): Declare new method check_non_pic.
1329 Define new method symbol_needs_plt_entry.
1330 Declare new data member issued_non_pic_error_.
1331 (class Target_arm::Relocate): Declare new method
1332 should_apply_static_reloc.
1333 (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
1334 (Target_arm::Scan::check_non_pic): Define new method.
1335 (Target_arm::Scan::local): Handle a small subset of reloc types used
1337 (Target_arm::Scan::local): Same.
1338 (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
1340 2009-05-31 Mikolaj Zalewski <mikolajz@google.com>
1342 * incremental.cc (Incremental_inputs::report_command_line): Filter
1343 out --incremental-* options.
1345 2009-05-29 Doug Kwan <dougkwan@google.com>
1347 * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
1349 (class Target_arm): Update comment.
1350 (Target_arm::Target_arm): Initialize new data members GOT_,
1351 PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
1352 Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
1353 and Target_arm::rel_dyn_section.
1354 Declare new_enum Target_arm::Got_type.
1355 Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
1357 Update commments for member do_dynsym_value.
1358 (Target_arm::got_size, Target_arm::plt_section,
1359 Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
1360 new methods inside class defintion.
1361 (Target_arm::got_section): Define new method.
1362 (Target_arm::rel_dyn_section): Same.
1363 (Output_data_plt_arm): New template class.
1364 (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
1365 (Output_data_plt_arm:do_adjust_output_section): Define new method.
1366 (Output_data_plt_arm::add_entry): Same.
1367 (Output_data_plt_arm::first_plt_entry): Define new
1368 static data member for PLT instruction template.
1369 (Output_data_plt_arm::plt_entry): Same.
1370 (Output_data_plt_arm::do_write): Define new method.
1371 (Target_arm::make_plt_entry): Same.
1372 (Target_arm::do_finalize_sections): Same.
1373 (Target_arm::do_dynsym_value): Same.
1375 2009-05-28 Doug Kwan <dougkwan@google.com>
1377 * Makefile.am (TARGETSOURCES): Add arm.cc.
1378 (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
1379 * Makefile.in: Regenerate.
1381 * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
1383 2009-05-26 Doug Kwan <dougkwan@google.com>
1385 * options.cc (General_options::parse_exclude_libs). Fix a comment.
1386 (General_options::check_excluded_libs): Strip off directories in
1387 archive name before matching like GNU ld does.
1388 * testsuite/Makefile.am (MOSTLYCLEANFILES,
1389 exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
1390 (exclude_libs_test_LDFLAGS): Add linker option
1391 -Wl,--exclude-libs,libexclude_libs_test_3
1392 (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
1393 an explicit archive without using -l.
1394 (alt/libexclude_libs_test_3.a): New make rule.
1395 * testsuite/Makefile.in: Regenerate.
1396 * testsuite/exclude_libs_test.c : Declare lib3_default().
1398 * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
1399 * exclude_libs_test_3.c: New file.
1401 2009-05-26 Nick Clifton <nickc@redhat.com>
1403 * po/id.po: New Indonesian translation.
1404 * po/gold.pot: Updated template file.
1406 2009-05-22 Sriraman Tallam <tmsriram@google.com>
1408 * testsuite/Makefile.am: Add -ffunction-sections to compile
1409 gc_comdat_test files. Add -Wl,--gc-sections to build
1411 * testsuite/Makefile.in: Regenerate.
1412 * testsuite/gc_comdat_test.sh: Fix the condition around grep.
1414 2009-05-21 Sriraman Tallam <tmsriram@google.com>
1416 * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
1417 kept comdat section was garbage collected.
1418 * testsuite/Makefile.am: Add test gc_comdat_test.sh.
1419 * testsuite/Makefile.in: Regenerate.
1420 * testsuite/gc_comdat_test.sh: New file.
1421 * testsuite/gc_comdat_test_1.cc: New file.
1422 * testsuite/gc_comdat_test_2.cc: New file.
1424 2009-05-19 Doug Kwan <dougkwan@google.com>
1426 * archive.cc (Archive::Archive): Move constructor from archive.h
1427 to here. Initialize no_export_.
1428 (Archive::get_elf_object_for_member): Set no_export flag of object.
1429 * archive.h (Archive::Archive): Move constructor body to
1431 (Archive::no_export): New method.
1432 (Archive::no_export_): New field.
1433 * object.h (Object::Object): Initialize no_export_ to false.
1434 (Object::no_export, Object::set_no_export): New methods.
1435 (Object::no_export_): New field.
1436 * options.cc (General_options::parse_exclude_libs): New method.
1437 (General_options::check_excluded_libs) Same.
1438 * options.h (exclude_libs): New option.
1439 (General_options::check_excluded_libs): New method declaration.
1440 (General_options::excluded_libs_): New field.
1441 * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
1442 default or protected visibility if an object has no-export flag set.
1443 testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
1444 (check_SCRIPTS): Add exclude_libs_test.sh.
1445 (check_DATA): Add exclude_libs_test.syms.
1446 (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
1447 libexclude_libs_test_1.a and libexclude_libs_test_2.a.
1448 (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
1449 exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
1450 (exclude_libs_test.syms, libexclude_libs_test_1.a,
1451 libexclude_libs_test_2.a): New rules.
1452 * testsuite/Makefile.in: Regenerate.
1453 * testsuite/exclude_libs_test.c: New file.
1454 * testsuite/exclude_libs_test.sh: Ditto.
1455 * testsuite/exclude_libs_test_1.c: Ditto.
1456 * testsuite/exclude_libs_test_2.c: Ditto.
1458 2009-05-15 Ian Lance Taylor <iant@google.com>
1460 * configure.ac: Check for declarations for cases where libiberty.h
1461 checks HAVE_DECL_xxx.
1462 * configure, config.in: Rebuild.
1464 2009-05-15 Mikolaj Zalewski <mikolajz@google.com>
1466 * gold.h (Incremental_argument_list): Remove (invalid) forward
1468 * incremental.cc (Incremental_inputs::report_achive): New method.
1469 (Incremental_inputs::report_object): New method.
1470 (Incremental_inputs::report_script): New method.
1471 (Incremental_inputs::finalize_inputs): New method.
1472 (Incremental_inputs::finalize): Call finalize_inputs().
1473 (Incremental_inputs::sized_create_incremental_inputs_section_data):
1474 Create inputs entries.
1475 * incremental.h (Incremental_input_type): New enum.
1476 (Incremental_inputs::Incremental_input): Initialize new fields.
1477 (Incremental_inputs::report_inputs): New method.
1478 (Incremental_inputs::report_achive): New method.
1479 (Incremental_inputs::report_object): New method.
1480 (Incremental_inputs::report_script): New method.
1481 (Incremental_inputs::finalize_inputs): New method.
1482 (Incremental_inputs::Input_info): New struct.
1483 (Incremental_inputs::Input_info_map): New typedef.
1484 (Incremental_inputs::lock_): New field.
1485 (Incremental_inputs::Inputs_): New field.
1486 (Incremental_inputs::Inputs_map): New field.
1487 * main.cc (main): Call Incremental_input::report_inputs.
1488 * options.h (Input_argument_list): Typedef moved from
1490 (Input_file_group::Files): Remove, use ::Input_argument_list.
1491 (Input_file_group::Input_argument_list): Remove, use
1492 ::Input_argument_list.
1493 * plugin.cc (Plugin_manager::add_input_file): Add error in
1495 * read_syms.cc (do_read_syms): Call Incremental_input::report_*
1497 * script.cc (read_input_script): Call
1498 Incremental_input::report_script.
1499 * script.h (Script_info): New class.
1501 2009-04-27 Ian Lance Taylor <iant@google.com>
1503 * x86_64.cc (do_adjust_output_section): Set entsize to
1506 2009-04-23 Elliott Hughes <enh@google.com>
1508 * output.cc (Output_file::close): After short writes, continue
1509 writing from the correct offset in the buffer being written.
1511 2009-04-23 Chris Demetriou <cgd@google.com>
1513 * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
1514 * configure: Regenerate.
1515 * config.in: Regenerate.
1516 * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
1517 if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
1519 2009-04-21 Mikolaj Zalewski <mikolajz@google.com>
1521 * incremental.cc (Incremental_inputs_header_data): Renamed from
1522 Incremental_input_header_data.
1523 (Incremental_inputs_header_data::data_size): New field.
1524 (Incremental_inputs_header_data::put_input_file_count): Renamed
1525 from input_file_count.
1526 (Incremental_inputs_header_data::put_command_line_offset): Renamed
1527 from command_line_offset.
1528 (Incremental_inputs_header_data::put_reserved): Renamed from
1530 (Incremental_inputs_entry_data): Renamed from
1531 Incremental_input_entry_data.
1532 (Incremental_inputs_entry_data::data_size): New field.
1533 (Incremental_inputs::report_command_line): New method.
1534 (Incremental_inputs::finalize): New method.
1535 (Incremental_inputs::create_incremental_inputs_data): New method.
1536 (Incremental_inputs::sized_create_incremental_inputs_data): New method.
1537 * incremental.h: New file.
1538 * layout.cc (Layout::Layout): Handle new incremental_inputs_.
1539 (Layout::finalize): Create incremental inputs section in
1541 (Layout::create_incremental_info_sections): New method.
1542 * layout.h (Layout::incremental_inputs): New method.
1543 (Layout::create_incremental_info_sections): New method.
1544 (Layout::incremental_inputs_): New field.
1545 * main.cc (main): Notify Incremental_input of the command line.
1547 2009-04-01 Ian Lance Taylor <iant@google.com>
1548 Mikolaj Zalewski <mikolajz@google.com>
1550 * gold.h (reserve_unordered_map): Define, three versions, one for
1551 each version of Unordered_map.
1552 * layout.cc (Layout::Layout): Remove options parameter. Add
1553 number_of_input_files parameter. Don't initialize options_.
1554 Initialize number_of_input_files_ and resized_signatures_. Move
1555 sections_are_attached_.
1556 (Layout::layout_group): Reserve space for group_signatures_.
1557 (Layout::find_or_add_kept_section): Change name parameter to be a
1558 reference. Resize signatures_ map when it gets large enough.
1559 (Layout::layout_eh_frame): Use parameters->options() instead of
1561 (Layout::make_output_section): Likewise.
1562 (Layout::attach_allocated_section_to_segment): Likewise.
1563 (Layout::finalize, Layout::create_executable_stack): Likewise.
1564 (Layout::set_segment_offsets, Layout::create_interp): Likewise.
1565 (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
1566 * layout.h (class Layout): Update declarations. Remove options_
1567 field. Add number_of_input_files_ and resized_signatures_
1568 fields. Move sections_are_attached_ field.
1569 * main.cc (main): Pass number of input files to Layout
1570 constructor. Don't pass options.
1572 2009-03-30 Ian Lance Taylor <iant@google.com>
1574 * ffsll.c (ffsll): Correct implementation.
1576 2009-03-27 Ian Lance Taylor <iant@google.com>
1578 * ffsll.c: New file.
1579 * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
1580 * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
1581 * ftruncate.c (ftruncate): Declare before definition.
1582 * mremap.c (mremap): Likewise.
1583 * pread.c (pread): Likewise.
1584 * configure, Makefile.in, config.in: Rebuild.
1586 * mremap.c: New file.
1587 * configure.ac: Call AC_REPLACE_FUNCS on mremap.
1588 * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
1589 (mremap): Declare if HAVE_MREMAP is not defined.
1590 * configure, Makefile.in, config.in: Rebuild.
1592 2009-03-27 Cary Coutant <ccoutant@google.com>
1594 * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
1595 position independent.
1596 * sparc.cc (Target_sparc::check_non_pic): Likewise.
1597 * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
1599 2009-03-24 Cary Coutant <ccoutant@google.com>
1601 * symtab.h (needs_plt_entry): Check for unsatisfied reference from
1603 (needs_dynamic_reloc): Likewise.
1605 2009-03-24 Ian Lance Taylor <iant@google.com>
1607 * yyscript.y (file_cmd): Recognize EXTERN.
1608 (extern_name_list, extern_name_list_body): New nonterminals.
1609 * script.cc (script_add_extern): Define.
1610 * script-c.h (script_add_extern): Declare.
1612 2009-03-24 Rafael Avila de Espindola <espindola@google.com>
1614 * object.cc (is_elf_object): Define.
1615 * object.h (is_elf_object): Declare.
1616 * archive.cc (Archive::get_elf_object_for_member): Call
1618 * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
1620 2009-03-24 Elliott Hughes <enh@google.com>
1622 * output.cc (Output_file::map_anonymous): Define.
1623 (Output_file::map): Use map_anonymous. If the regular mmap fails,
1624 try an anonymous one. Report the size if the mmap fails.
1625 * output.h (class Output_file): Declare map_anonymous.
1627 2009-03-24 Ian Lance Taylor <iant@google.com>
1629 * target-select.cc (instantiate_target): Don't acquire the lock if
1630 the instantiated_target_ field has already been set.
1632 2009-03-23 Ian Lance Taylor <iant@google.com>
1634 * gold-threads.h (class Initialize_lock): Define.
1635 * gold-threads.cc (class Initialize_lock_once): Define.
1636 (initialize_lock_control): New static variable.
1637 (initialize_lock_pointer): New static variable.
1638 (initialize_lock_once): New static function.
1639 (Initialize_lock::Initialize_lock): Define.
1640 (Initialize_lock::initialize): Define.
1641 * target-select.h: Include "gold-threads.h".
1642 (class Target_selector): Add lock_ and initialize_lock_ fields.
1643 Don't define instantiate_target, just declare it.
1644 * target-select.cc (Target_selector::Target_selector): Initialize
1646 (Target_selector::instantiate_target): Define.
1647 * descriptors.h: Include "gold-threads.h".
1648 (class Descriptors): Add initialize_lock_ field.
1649 * descriptors.cc (Descriptors::Descriptors): Initialize new
1651 (Descriptors::open): Use initialize_lock_ field
1652 * errors.h (class Errors): Add initialize_lock_ field.
1653 * errors.cc (Errors::Errors): Initialize new field.
1654 (Errors::initialize_lock): Use initialize_lock_ field.
1655 * powerpc.cc (class Target_selector_powerpc): Remove
1656 instantiated_target_ field. In do_recognize call
1657 instantiate_target rather than do_instantiate_target. In
1658 do_instantiate_target just allocate a new target.
1659 * sparc.cc (class Target_selector_sparc): Likewise.
1661 * freebsd.h: New file.
1662 * i386.cc: Include "freebsd.h".
1663 (Target_i386): Derive from Target_freebsd rather than
1665 (Target_selector_i386): Derive from Target_selector_freebsd rather
1666 than Target_selector.
1667 * x86_64.cc: Include "freebsd.h".
1668 (Target_x86_64): Derive from Target_freebsd rather than
1670 (Target_selector_x86_64): Derive from Target_selector_freebsd
1671 rather than Target_selector.
1672 * target.h (class Target): Add adjust_elf_header and
1673 do_adjust_elf_header.
1674 * output.cc (Output_file_header:: do_sized_write): Call target
1675 adjust_elf_header routine.
1676 * configure.tgt: Set targ_osabi.
1677 * configure.ac: Define GOLD_DEFAULT_OSABI.
1678 * parameters.cc (Parameters::default_target): Pass
1679 GOLD_DEFAULT_OSABI to select_target.
1680 * target-select.h (class Target_selector): Make instantiate_target
1681 protected rather than private.
1682 * Makefile.am (HFILES): Add freebsd.h.
1683 * configure, Makefile.in, config.in: Rebuild.
1685 * merge.cc (do_add_input_section): Correct pend value. Change
1686 message about last entry not being null terminated from error to
1689 2009-03-20 Mikolaj Zalewski <mikolajz@google.com>
1691 * incremental.cc: New file.
1692 * Makefile.am (CCFILES): Add incremental.cc.
1693 * Makefile.in: Rebuild.
1695 2009-03-19 Paul Pluzhnikov <ppluzhnikov@google.com>
1697 * layout.cc (Layout::output_section_name): Preserve names
1698 of '.note.' sections.
1700 2009-03-19 Ian Lance Taylor <iant@google.com>
1702 * descriptors.cc (Descriptors::open): Check that the options are
1703 valid before using them.
1705 2009-03-18 Ian Lance Taylor <iant@google.com>
1707 * script-sections.h: Include <list>.
1708 (class Script_sections): Change Sections_elements from std::vector
1709 to std::list. Typedef public Elements_iterator. Add
1710 orphan_section_placement_, data_segment_align_start_, and
1711 saw_data_segment_align_ fields. Remove data_segment_align_index_
1713 * script-sections.cc (class Orphan_section_placement): New class.
1714 (class Sections_element): Add virtual functions is_relro and
1715 orphan_section_init. Remove virtual function place_orphan_here.
1716 (class Output_section_definition): Add is_relro and
1717 orphan_section_init. Remove place_orphan_here.
1718 (class Orphan_output_section): Likewise.
1719 (Script_sections::Script_sections): Update for field changes.
1720 (Script_sections::data_segment_align): Set saw_data_segment_align_
1721 and data_segment_align_start_, not data_segment_align_index.
1722 (Script_sections::data_segment_relro_end): Check
1723 saw_data_segment_align_. Use data_segment_align_start_ rather
1724 than data_segment_align_index_.
1725 (Script_sections::place_orphan): Rewrite to use
1726 Orphan_section_placement.
1728 2009-03-17 Ian Lance Taylor <iant@google.com>
1730 * archive.cc (Archive::add_symbols): Check for a version attached
1731 to the symbol name in the archive map.
1732 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
1733 (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
1734 (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
1735 (ver_test_11.a): New target.
1736 * testsuite/Makefile.in: Rebuild.
1738 * configure.ac: Check for chsize and posix_fallocate. Replace
1740 * ftruncate.c: New file, from gnulib.
1741 * output.cc (posix_fallocate): Define dummy version if not
1742 HAVE_POSIX_FALLOCATE.
1743 (Output_file::map): Call posix_fallocate rather than lseek and
1745 * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
1746 * configure, Makefile.in, config.in: Rebuild.
1748 2009-03-17 Paul Pluzhnikov <ppluzhnikov@google.com>
1750 * layout.h (Layout::create_note): Add section_name parameter.
1751 * layout.cc (Layout::create_note): Likewise.
1752 (Layout::create_build_id, Layout::create_gold_note): Fix callers.
1754 2009-03-17 Ian Lance Taylor <iant@google.com>
1756 * descriptors.cc: Include "options.h".
1757 (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
1758 (Descriptors::open): Always use O_CLOEXEC when opening a new
1759 descriptor. If we have a plugin, and O_CLOEXEC was not defined,
1760 then set FD_CLOEXEC.
1762 * sparc.cc (class Target_sparc): Add has_got_section.
1763 (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
1764 make sure we have a GOT section.
1766 * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
1767 (Target_sparc::Scan::local): Likewise.
1768 (Target_sparc::Scan::global): Likewise.
1769 (Target_sparc::Relocate::relocate): Likewise.
1770 (Target_sparc::Relocate::relocate_tls): Likewise.
1772 * symtab.cc (Symbol_table::define_default_version): New function,
1773 broken out of add_from_object.
1774 (Symbol_table::add_from_object): Call define_default_version.
1775 (Symbol_table::define_special_symbol): Add resolve_oldsym
1776 parameter. Change all callers. If the version for a symbol comes
1777 from a version script, resolve it with the symbol with the same
1778 name with no version. Also add the symbol without a version if
1780 (do_define_in_output_data): If resolving with oldsym, don't delete
1782 (do_define_in_output_segment): Likewise.
1783 (do_define_as_constant): Likewise.
1784 * symtab.h (class Symbol_table): Update declarations.
1786 2009-03-13 Ian Lance Taylor <iant@google.com>
1788 * readsyms.cc (Read_symbols::incompatible_warning): New function.
1789 (Read_symbols::requeue): New function.
1790 (Read_symbols::do_read_symbols): If make_elf_object fails because
1791 the target type is not configured, and the file was searched for,
1792 issue a warning and retry with the next directory.
1793 (Add_symbols::run): If the file has an incompatible format, and
1794 it was searched for, requeue the Read_symbols task. On error,
1796 * readsyms.h (class Read_symbols): Add dirindex_ field. Add
1797 dirindex parameter to constructor. Change all callers. Declare
1798 incompatible_warning and requeue.
1799 (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
1800 input_argument_ and input_group_ fields. Add them to
1801 constructor. Change all callers.
1802 (class Read_script): Add dirindex_ field. Add it to constructor.
1804 * archive.cc (Archive::setup): Remove input_objects parameter.
1806 (Archive::get_file_and_offset): Likewise.
1807 (Archive::read_all_symbols): Likewise.
1808 (Archive::read_symbols): Likewise.
1809 (Archive::get_elf_object_for_member): Remove input_objects
1810 parameter. Add punconfigured parameter. Change all callers.
1811 (Archive::add_symbols): Change return type to bool. Check return
1812 value of include_member.
1813 (Archive::include_all_members): Likewise.
1814 (Archive::include_member): Change return type to bool. Return
1815 false if first included object has incompatible target. Set
1816 included_member_ field.
1817 (Add_archive_symbols::run): If add_symbols returns false, requeue
1819 * archive.h (class Archive): Add included_member_ field.
1820 Initialize it in constructor. Add input_file and searched_for
1821 methods. Update declarations.
1822 (class Add_archive_symbols): Add dirpath_, dirindex_, and
1823 input_argument_ fields. Add them to constructor. Change all
1825 * script.cc: Include "target-select.h".
1826 (class Parser_closure): Add skip_on_incompatible_target_ and
1827 found_incompatible_target_ fields. Add
1828 skip_on_incompatible_target parameter to constructor. Change all
1829 callers. Add methods skip_on_incompatible_target,
1830 clear_skip_on_incompatible_target, found_incompatible_target, and
1831 set_found_incompatible_target.
1832 (read_input_script): Add dirindex parameter. Change all callers.
1833 If parser finds an incompatible target, requeue Read_symbols
1835 (script_set_symbol): Clear skip_on_incompatible_target in
1837 (script_add_assertion, script_parse_option): Likewise.
1838 (script_start_sections, script_add_phdr): Likewise.
1839 (script_check_output_format): New function.
1840 * script.h (read_input_script): Update declaration.
1841 * script-c.h (script_check_output_format): Declare.
1842 * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
1843 (ignore_cmd): Remove OUTPUT_FORMAT.
1844 * fileread.cc (Input_file::Input_file): Add explicit this.
1845 (Input_file::will_search_for): New function.
1846 (Input_file::open): Add pindex parameter. Change all callers.
1847 * fileread.h (class Input_file): Add input_file_argument method.
1848 Declare will_search_for. Update declarations.
1849 * object.cc (make_elf_object): Add punconfigured parameter.
1851 * object.h (class Object): Make input_file public. Add
1852 searched_for method.
1853 (make_elf_object): Update declaration.
1854 * dirsearch.cc (Dirsearch::find): Add pindex parameter. Use it to
1856 * dirsearch.h (class Dirsearch): Update declaration.
1857 * options.h (class General_options): Add --warn-search-mismatch.
1858 * parameters.cc (Parameters::is_compatible_target): New function.
1859 * parameters.h (class Parameters): Declare is_compatible_target.
1860 * workqueue.cc (Workqueue::add_blocker): New function.
1861 * workqueue.h (class Workqueue): Declare add_blocker.
1863 * fileread.cc (Input_file::open): Remove options parameter.
1865 (Input_file::open_binary): Likewise.
1866 * script.cc (read_input_script): Likewise.
1867 * readsyms.h (class Read_symbols): Remove options_ field. Remove
1868 options parameter from constructor. Change all callers.
1869 (class Read_script): Likewise.
1870 * fileread.h (class Input_file): Update declarations.
1871 * script.h (read_input_script): Update declaration.
1873 2009-03-10 Nick Clifton <nickc@redhat.com>
1875 * po/es.po: New Spanish translation.
1877 2009-03-06 Cary Coutant <ccoutant@google.com>
1879 * options.cc (parse_short_option): Keep dash_z from registering itself.
1881 2009-03-03 Ian Lance Taylor <iant@google.com>
1884 * target-reloc.h (relocate_section): Pass output_section to
1886 * i386.cc (Target_i386::should_apply_static_reloc): Add
1887 output_section parameter. Change all callers.
1888 (Target_i386::Relocate::relocate): Add output_section parameter.
1889 * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
1890 * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
1891 * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
1892 * testsuite/two_file_shared.sh: New script.
1893 * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
1894 (check_DATA): Add two_file_shared.dbg.
1895 (two_file_shared.dbg): New target.
1896 * testsuite/Makefile.in: Rebuild.
1898 2009-03-01 Ian Lance Taylor <iant@google.com>
1900 * configure.ac: Check for byteswap.h.
1901 * configure: Rebuild.
1902 * config.in: Rebuild.
1904 2009-03-01 Mikolaj Zalewski <mikolajz@google.com>
1906 * layout.cc (Layout::find_or_add_kept_section): New function.
1907 (Layout::add_comdat): Removed.
1908 * layout.h (struct Kept_section): Move out of class Layout.
1909 Remove trailing underscores from field names. Add group_sections
1910 field. Rename group_ field to is_group. Change all uses.
1911 (class Layout): Declare find_or_add_kept_section, not add_comdat.
1912 * object.cc (Sized_relobj::Sized_relobj): Don't initialize
1913 comdat_groups_ field.
1914 (Sized_relobj::include_section_group): Use
1915 find_or_add_kept_section and Kept_section::group_sections.
1916 (Sized_relobj::include_linkonce_section): Likewise.
1917 * object.cc (class Sized_relobj): Don't define Comdat_group or
1918 Comdat_group_table. Remove find_comdat_group and
1919 add_comdat_group. Remove comdat_groups_ field.
1920 * plugin.cc (include_comdat_group): Use
1921 Layout::find_or_add_kept_section.
1923 2009-02-28 Ian Lance Taylor <iant@google.com>
1925 * README: --gc-sections and map files are now supported. Document
1926 some build requirements.
1929 * symtab.cc (Symbol_table::sized_write_section_symbol): In a
1930 relocatable link set the value of the section symbol to zero.
1931 * object.cc (Sized_relobj::do_finalize_local_symbols): In a
1932 relocatable link don't include the section address in the local
1935 2009-02-27 Ian Lance Taylor <iant@google.com>
1938 * options.h (class Search_directory): Add is_system_directory.
1939 (class General_options): Declare is_in_system_directory.
1940 * options.cc (get_relative_sysroot): Make static.
1941 (get_default_sysroot): Make static.
1942 (General_optoins::is_in_system_directory): New function.
1943 * fileread.cc (Input_file::is_in_system_directory): New function.
1944 * fileread.h (class Input_file): Declare is_in_system_directory.
1945 * object.h (class Object): Add is_in_system_directory.
1946 (class Input_objects): Remove system_library_directory_ field.
1947 * object.cc (Input_objects::add_object): Don't set
1948 system_library_directory_.
1949 (input_objects::found_in_system_library_directory): Remove.
1950 * symtab.cc (Symbol_table::write_globals): Remove input_objects
1951 parameter. Change all callers.
1952 (Symbol_table::sized_write_globals): Likewise.
1953 (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
1954 Call Object::is_in_system_directory.
1955 * symtab.h (class Symbol_table): Update declarations.
1958 * descriptors.h (Open_descriptor): Add is_on_stack field.
1959 * descriptors.cc (Descriptors::open): If the descriptor is on the
1960 top of the stack, remove it. Initialize is_on_stack field.
1961 (Descriptors::release): Only add pod to stack if it is not on the
1963 (Descriptors::close_some_descriptor): Clear stack_next and
1967 * output.cc (Output_section::find_starting_output_address): Rename
1968 from starting_output_address; add PADDR parameter; change return
1970 * output.h (class Output_section): Declare
1971 find_starting_output_address instead of starting_output_address.
1972 * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
1973 section symbol for which we can't find a merge section.
1976 * symtab.cc (Symbol_table::add_from_object): If the visibility is
1977 hidden or internal, force the symbol to be local.
1978 * resolve.cc (Symbol::override_visibility): Define.
1979 (Symbol::override_base): Use override_visibility.
1980 (Symbol_table::resolve): Likewise.
1981 (Symbol::override_base_with_special): Likewise.
1982 (Symbol_table::override_with_special): If the visibility is hidden
1983 or internal, force the symbol to be local.
1984 * symtab.h (class Symbol): Add set_visibility and
1985 override_visibility.
1986 * testsuite/ver_test_1.sh: New file.
1987 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
1988 (check_DATA): Add ver_test_1.syms.
1989 (ver_test_1.syms): New target.
1990 * testsuite/Makefile.in: Rebuild.
1992 2009-02-25 Cary Coutant <ccoutant@google.com>
1994 * layout.cc (Layout::choose_output_section): Don't rename sections
1995 when using a linker script that has a SECTIONS clause.
1996 * Makefile.in: Regenerate.
1998 * testsuite/Makefile.am (script_test_5.sh): New test case.
1999 * testsuite/Makefile.in: Regenerate.
2000 * testsuite/script_test_5.cc: New file.
2001 * testsuite/script_test_5.sh: New file.
2002 * testsuite/script_test_5.t: New file.
2004 2009-02-13 Rafael Avila de Espindola <espindola@google.com>
2006 * archive.cc (Archive::include_member): Update calls to add_symbols.
2007 * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
2008 the Layout argument.
2009 * dynobj.h (do_add_symbols): Add the Layout argument.
2010 * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
2012 * object.h (Object::add_symbols): Add the Layout argument.
2013 (Object::do_add_symbols): Add the Layout argument.
2014 (Sized_relobj::do_add_symbols): Add the Layout argument.
2015 * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
2016 Unify the two versions.
2017 (Add_plugin_symbols): Remove.
2018 * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
2019 (Sized_pluginobj::do_add_symbols): Unify the two versions.
2020 (Add_plugin_symbols): Remove.
2021 * readsyms.cc (Read_symbols::do_read_symbols): Update call to
2022 Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
2023 (Add_symbols::run): Make it work with Pulginobj.
2025 2009-02-06 Ian Lance Taylor <iant@google.com>
2027 * object.cc (Sized_relobj::do_layout): Make info message start
2028 with lower case letter.
2030 2009-02-06 Mikolaj Zalewski <mikolajz@google.com>
2032 * binary.cc: Fix file comment.
2034 * options.h (enum Incremental_disposition): Define.
2035 (class General_options): Add new options: --incremental,
2036 --incremental_changed, --incremental_unchanged,
2037 --incremental_unknown. Add incremental_disposition_ and
2038 implicit_incremental_ fields.
2039 (General_options::incremental_disposition): New function.
2040 (class Position_dependent_options): Add incremental_disposition
2042 (Position_dependent_options::copy_from_options): Set incremental
2044 * options.cc (General_options::parse_incremental_changed): New
2046 (General_options::parse_incremental_unchanged): New function.
2047 (General_options::parse_incremental_unknown): New function.
2048 (General_options::General_options): Initialize new fields
2049 incremental_disposition_ and implicit_incremental_.
2050 (General_options::finalize): Check for uasge of --incremental-*
2051 without --incremental.
2053 2009-02-06 Chris Demetriou <cgd@google.com>
2055 * gold.h (gold_undefined_symbol): Change to take only a Symbol
2056 pointer and to report location as the file name associated with
2058 (gold_undefined_symbol_at_location): New function to replace the
2059 old gold_undefined_symbol functionality.
2060 * target-reloc.h (relocate_section): Update to use
2061 gold_undefined_symbol_at_location.
2062 * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
2063 Call gold_undefined_symbol function rather than gold_error.
2064 * errors.h (Errors::undefined_symbol): Take location as a
2065 string, rather than calculating it from a relocation.
2066 * errors.cc (Errors::fatal): Print "fatal error:" before the
2068 (Errors::error, Errors::error_at_location): Print "error: "
2069 before the formatted message.
2070 (Errors::undefined_symbol): Take location as a string, rather
2071 than calculating it from a relocation.
2072 (gold_undefined_symbol_at_location): New function akin to
2073 old gold_undefined_symbol, calculates location from relocation.
2074 (gold_undefined_symbol): Change to take only a Symbol pointer
2075 and to report location as the file name associated with the symbol.
2076 * testsuite/debug_msg.sh: Update for changed error messages.
2077 * testsuite/undef_symbol.sh: Likewise.
2079 2009-02-04 Duncan Sands <baldrick@free.fr>
2082 * reduced_debug_output.h
2083 (Output_reduced_debug_abbrev_section::failed): Use format for
2085 (Output_reduced_debug_info_section::faild): Likewise.
2087 2009-01-31 Mikolaj Zalewski <mikolajz@google.com>
2089 * script.cc (Lazy_demangler): New class.
2090 (Version_script_info::get_symbol_version_helper): Demangle a
2093 2009-01-29 Cary Coutant <ccoutant@google.com>
2095 * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
2097 * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
2099 2009-01-28 Ian Lance Taylor <iant@google.com>
2101 * version.cc (version_string): Bump to 1.9.
2103 * gold.h: Include <cstring> and <stdint.h>.
2104 * version.cc: Include <cstdio>.
2105 * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
2107 * reduced_debug_output.cc (insert_into_vector): Rename from
2108 Insert_into_vector; change all callers. Use Swap_unaligned to
2109 avoid aliasing issue; remove union since it is unnecessary.
2111 2009-01-27 Sriraman Tallam <tmsriram@google.com>
2113 * Makefile.am (CCFILES): Add gc.cc.
2115 * Makefile.in: Regenerate.
2116 * gold.cc (Gc_runner): New class.
2117 (queue_initial_tasks): Call garbage collection related tasks
2118 when corresponding options are invoked.
2119 (queue_middle_gc_tasks): New function.
2120 (queue_middle_tasks): Reorder tasks to allow relocs to be read and
2121 processed early before laying out sections during garbage collection.
2122 * gold.h (queue_middle_gc_tasks): New function.
2123 (is_prefix_of): Move from "layout.cc".
2124 * i386.cc (Target_i386::gc_process_relocs): New function.
2125 * layout.cc (is_prefix_of): Remove. Move to "gold.h"
2126 * main.cc (main): Create object of class "Garbage_collection".
2127 * object.cc (Relobj::copy_symbols_data): New function.
2128 (Relobj::is_section_name_included): New function.
2129 (Sized_relobj::do_layout): Allow this function to be called twice
2130 during garbage collection and defer layout of section during the
2132 * object.h (Relobj::get_symbols_data): New function.
2133 (Relobj::is_section_name_included): New function.
2134 (Relobj::copy_symbols_data): New function.
2135 (Relobj::set_symbols_data): New function.
2136 (Relobj::get_relocs_data): New function.
2137 (Relobj::set_relocs_data): New function.
2138 (Relobj::is_output_section_offset_invalid): New pure virtual function.
2139 (Relobj::gc_process_relocs): New function.
2140 (Relobj::do_gc_process_relocs): New pure virtual function.
2141 (Relobj::sd_): New data member.
2142 (Sized_relobj::is_output_section_offset_invalid): New function.
2143 (Sized_relobj::do_gc_process_relocs): New function.
2144 * options.h (General_options::gc_sections): Modify to not be a no-op.
2145 (General_options::print_gc_sections): New option.
2146 * plugin.cc (Plugin_finish::run): Remove function call to
2147 Plugin_manager::layout_deferred_objects. Move it to "gold.cc".
2148 * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
2149 * reloc.cc (Read_relocs::run): Add task to process relocs and
2150 determine unreferenced sections when doing garbage collection.
2151 (Gc_process_relocs): New class.
2152 (Sized_relobj::do_gc_process_relocs): New function.
2153 (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
2154 sections that are garbage collected.
2155 * reloc.h (Gc_process_relocs): New class.
2156 * sparc.cc (Target_sparc::gc_process_relocs): New function.
2157 * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
2158 symbols whose corresponding sections are garbage collected.
2159 (Symbol_table::Symbol_table): Add new parameter for the garbage
2161 (Symbol_table::gc_mark_undef_symbols): New function.
2162 (Symbol_table::gc_mark_symbol_for_shlib): New function.
2163 (Symbol_table::gc_mark_dyn_syms): New function.
2164 (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
2166 (Symbol_table::add_from_object): Likewise.
2167 (Symbol_table::add_from_relobj): When building shared objects, do not
2168 treat externally visible symbols as garbage.
2169 (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
2170 table information for static and relocatable links.
2171 * symtab.h (Symbol_table::set_gc): New function.
2172 (Symbol_table::gc): New function.
2173 (Symbol_table::gc_mark_undef_symbols): New function.
2174 (Symbol_table::gc_mark_symbol_for_shlib): New function.
2175 (Symbol_table::gc_mark_dyn_syms): New function.
2176 (Symbol_table::gc_): New data member.
2177 * target.h (Sized_target::gc_process_relocs): New pure virtual
2179 * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
2180 * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
2182 2009-01-20 Chris Faylor <me.sourceware@sourceware.org>
2184 * options.h (General_options::gc_sections): Define as a no-op for now.
2185 (General_options::no_keep_memory): Ditto.
2186 (General_options::Bshareable): Define.
2187 * options.cc (General_options::finalize): Honor -Bshareable.
2189 2009-01-20 Andreas Schwab <schwab@suse.de>
2191 * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
2192 read the value in the contents, since we don't use it. Use the
2193 template endianness when writing.
2194 (Relocate::relocate): Use it for R_PPC_REL16_HA.
2196 2009-01-19 Andreas Schwab <schwab@suse.de>
2198 * configure.tgt (powerpc64-*): Fix targ_obj.
2200 2009-01-15 Ian Lance Taylor <iant@google.com>
2202 * object.cc (Sized_relobj::write_local_symbols): Don't write out
2203 local symbols when stripping all symbols.
2205 2009-01-14 Cary Coutant <ccoutant@google.com>
2207 * output.cc (Output_reloc): Add explicit instantiations.
2209 2009-01-14 Cary Coutant <ccoutant@google.com>
2211 * archive.cc (Archive::get_elf_object_for_member): Remove call
2212 to File_read::claim_for_plugin.
2213 * descriptors.cc (Descriptors::open): Remove reference to
2215 (Descriptors::claim_for_plugin): Remove.
2216 * descriptors.h (Descriptors::claim_for_plugin): Remove.
2217 (Descriptors::is_claimed): Remove.
2218 (claim_descriptor_for_plugin): Remove.
2219 * fileread.cc (File_read::claim_for_plugin): Remove.
2220 * fileread.h (File_read::claim_for_plugin): Remove.
2221 (File_read::descriptor): Reopen descriptor if necessary.
2222 * plugin.cc (Plugin::load): Add two new APIs to transfer vector.
2223 (Plugin_manager::all_symbols_read): Add task parameter. Change
2225 (Plugin_manager::get_input_file): New function.
2226 (Plugin_manager::release_input_file): New function.
2227 (Pluginobj::Pluginobj): Add filesize parameter and initialize
2228 corresponding data member.
2229 (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
2230 and pass to base constructor. Change all callers.
2231 (get_input_file, release_input_file): New functions.
2232 (make_sized_plugin_object): Add filesize parameter. Change all callers.
2233 * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
2234 (Plugin_manager::all_symbols_read): Add task parameter.
2235 (Plugin_manager::get_input_file): New function.
2236 (Plugin_manager::release_input_file): New function.
2237 (Plugin_manager::task_): New data member.
2238 (Pluginobj::Pluginobj): Add filesize parameter.
2239 (Pluginobj::filename): New function.
2240 (Pluginobj::descriptor): New function.
2241 (Pluginobj::filesize): New function.
2242 (Pluginobj::filesize_): New data member.
2243 (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
2244 * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
2245 File_read::claim_for_plugin; use Object::unlock to unlock the file.
2247 * testsuite/Makefile.am (plugin_test_4): New test case for plugins
2248 with archive libraries.
2249 * testsuite/Makefile.in: Regenerate.
2250 * testsuite/plugin_test.c (struct sym_info): New type.
2251 (get_input_file, release_input_file): New static variables.
2252 (onload): Capture new transfer vector entries.
2253 (claim_file_hook): Stop reading at end of file according to filesize.
2254 Factor out parsing of readelf output into separate function.
2255 (all_symbols_read_hook): Exercise get_input_file and release_input_file
2256 APIs and get the source file name from the symbol table. Convert
2257 source file name to corresponding object file name. Print info
2258 message when adding new input files.
2259 (parse_readelf_line): New function.
2260 * testsuite/plugin_test_1.sh: Add checks for new info messages.
2261 * testsuite/plugin_test_2.sh: Likewise.
2262 * testsuite/plugin_test_3.sh: Likewise.
2263 * testsuite/plugin_test_4.sh: New test case.
2265 2009-01-07 Ian Lance Taylor <iant@google.com>
2267 * version.cc (version_string): Bump to 1.8.
2269 2008-12-23 Cary Coutant <ccoutant@google.com>
2271 * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
2272 * plugin.cc (Plugin_manager::finish): Rename as
2273 layout_deferred_objects. Move cleanup to separate function.
2274 (Plugin_manager::cleanup): New function.
2275 (Plugin_finish::run): Call layout_deferred_objects and cleanup
2277 * plugin.h (Plugin_manager::finish): Rename as
2278 layout_deferred_objects.
2279 (Plugin_manager::cleanup): New function.
2280 (Plugin_manager::cleanup_done): New field.
2282 2008-12-23 Cary Coutant <ccoutant@google.com>
2284 * plugin.cc (is_visible_from_outside): New function.
2285 (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
2286 so we don't return "IR only" status for exported symbols or -r links.
2288 * testsuite/Makefile.am (plugin_test_3): New test case.
2289 * testsuite/Makefile.in: Regenerate.
2290 * testsuite/plugin_test_3.sh: New file.
2292 2008-12-22 Cary Coutant <ccoutant@google.com>
2294 * object.cc (Sized_relobj::layout_section): New function.
2295 (Sized_relobj::do_layout): Defer layout of input sections until after
2296 plugin has provided replacement files.
2297 (Sized_relobj::do_layout_deferred_sections): New function.
2298 * object.h (Relobj::set_section_offset): Remove virtual keyword.
2299 (Relobj::layout_deferred_sections): New function.
2300 (Relobj::do_layout_deferred_sections): New function.
2301 (Sized_relobj::do_layout_deferred_sections): New function.
2302 (Sized_relobj::layout_section): New function.
2303 (Sized_relobj::Deferred_layout): New structure.
2304 (Sized_relobj::deferred_layout_): New field.
2305 * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
2306 Change all callers. Layout deferred sections.
2307 (class Plugin_finish): Renamed, was Plugin_cleanup. Change all
2309 (Plugin_hook::run): Move code from do_plugin_hook inline.
2310 (Plugin_hook::do_plugin_hook): Remove.
2311 * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
2312 (Plugin_manager::finish): Renamed, was cleanup.
2313 (Plugin_manager::should_defer_layout): New function.
2314 (Plugin_manager::add_deferred_layout_object): New function.
2315 (Plugin_manager::Deferred_layout_list): New type.
2316 (Plugin_manager::deferred_layout_objects_): New field.
2317 (Plugin_hook::do_plugin_hook): Remove.
2319 2008-12-17 Ian Lance Taylor <iant@google.com>
2321 * options.h (class General_options): Add --no case for
2324 2008-12-16 Cary Coutant <ccoutant@google.com>
2326 * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
2328 (Plugin_manager::claim_file): Create plugin object even if
2329 plugin did not call the add_symbols callback.
2330 (Plugin_obj::get_symbol_resolution_info): Guard against plugin
2331 asking for more symbols than were added.
2332 * testsuite/Makefile.am (plugin_test_1): Add test case with
2334 (empty.syms): New target.
2335 * testsuite/Makefile.in: Regenerate.
2336 * testsuite/plugin_test.c (claim_file_hook): Add new debug
2337 message. Don't call add_symbols if no globals.
2338 (all_symbols_read_hook): Don't provide replacement for empty
2341 2008-12-12 Ian Lance Taylor <iant@google.com>
2343 * target-reloc.h (Default_scan_relocatable_relocs): Only discard
2344 r_type == 0 for a local symbol with r_sym == 0.
2345 (scan_relocatable_relocs): Pass r_sym to
2346 local_non_section_strategy.
2347 * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
2350 * configure.ac: Update test for TLS descriptors: they are
2351 supported as of glibc 2.9.
2352 * configure: Rebuild.
2354 2008-12-11 Ian Lance Taylor <iant@google.com>
2357 * target-reloc.h (Default_scan_relocatable_relocs): For each
2358 function, map r_type == 0 to RELOC_DISCARD.
2360 2008-12-10 Cary Coutant <ccoutant@google.com>
2362 * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
2363 object to override a kept COMDAT group from a plugin object.
2365 2008-12-09 Ian Lance Taylor <iant@google.com>
2368 * yyscript.y (file_cmd): Handle INPUT.
2370 * testsuite/initpri1.c: Change all declarations to be full
2371 prototypes by adding void, to avoid compiler warnings.
2373 2008-12-05 Rafael Avila de Espindola <espindola@google.com>
2375 * options.cc (General_options::parse_plugin_opt): New.
2376 (General_options::add_plugin): The argument now is just the filename.
2377 (General_options::add_plugin_option): New.
2378 * options.h (plugin_opt): New.
2379 (add_plugin): Change argument name.
2380 (add_plugin_option): New.
2381 * plugin.cc (Plugin::load): Don't parse the plugin option.
2382 * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
2383 (Plugin::add_option): New.
2384 (Plugin::args_): Change type.
2385 (Plugin::filename_): New.
2386 (Plugin_manager::add_plugin_option): New.
2387 * testsuite/Makefile.am (plugin_test_1): Use new syntax.
2388 * testsuite/Makefile.in: Regenerate.
2390 2008-12-05 Cary Coutant <ccoutant@google.com>
2392 * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
2393 Handle --strip-lto-sections option.
2394 * options.h (strip_lto_sections): New option.
2396 2008-12-01 Cary Coutant <ccoutant@google.com>
2398 * plugin.cc (ld_plugin_message): Change format parameter to const.
2399 Fix mismatch between new[] and delete.
2401 2008-11-14 Cary Coutant <ccoutant@google.com>
2403 * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
2406 2008-11-05 Craig Silverstein <csilvers@google.com>
2408 * options.cc (General_options::parse_dynamic_list): New function.
2409 * options.h (General_options): New flags dynamic_list,
2410 dynamic_list_data, dynamic_list_cpp_new, and
2411 dynamic_list_cpp_typeinfo. New variable dynamic_list_.
2412 (General_options::in_dynamic_list): New function.
2413 * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
2414 (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
2415 (Lex::can_continue_name): Likewise.
2417 (read_script_file): New parameter script_options.
2418 (read_dynamic_list): New function.
2419 (Script_options::define_dynamic_list): New function.
2420 (dynamic_list_keyword_parsecodes): New variable.
2421 (dynamic_list_keywords): New variable.
2422 * script.h (Script_options::define_dynamic_list): New function
2424 (read_dynamic_list): New function prototype.
2425 * symtab.cc (strprefix): New macro.
2426 (Symbol::should_add_dynsym_entry): Support dynamic_list,
2427 dynamic_list_data, dynamic_list_cpp_new, and
2428 dynamic_list_cpp_typeinfo.
2429 * yyscript.y (PARSING_DYNAMIC_LIST): New token.
2430 (dynamic_list_expr): New rule.
2431 (dynamic_list_nodes): Likewise.
2432 (dynamic_list_node): Likewise.
2433 * testsuite/Makefile.am (dynamic_list): New test.
2434 * testsuite/Makefile.in: Regenerated.
2435 * testsuite/dynamic_list.t: New file.
2436 * testsuite/dynamic_list.sh: New file.
2438 2008-11-05 Craig Silverstein <csilvers@google.com>
2440 * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
2441 * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
2442 (t11_last): Likewise.
2443 * testsuite/ver_test_6.c (main): Likewise.
2445 2008-10-07 Cary Coutant <ccoutant@google.com>
2447 * options.c (General_options::finalize): Add check for -static and
2449 * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
2452 2008-10-02 Cary Coutant <ccoutant@google.com>
2454 * plugin.cc (make_sized_plugin_object): Fix conditional
2455 compilation to work when not all targets are enabled.
2457 2008-09-29 Cary Coutant <ccoutant@google.com>
2459 * archive.cc (Archive::get_file_and_offset): Use filename instead
2460 of name to get library path.
2461 (Archive::include_member): Unlock external member of a thin archive.
2463 * testsuite/Makefile.am (TEST_AR): New variable.
2464 (thin_archive_test_1): New test.
2465 (thin_archive_test_2): New test.
2466 * testsuite/Makefile.in: Regenerate.
2467 * testsuite/thin_archive_main.cc: New file.
2468 * testsuite/thin_archive_test_1.cc: New file.
2469 * testsuite/thin_archive_test_2.cc: New file.
2470 * testsuite/thin_archive_test_3.cc: New file.
2471 * testsuite/thin_archive_test_4.cc: New file.
2473 2008-09-29 Cary Coutant <ccoutant@google.com>
2475 * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
2476 * object.cc (Sized_relobj::do_layout): Use constant invalid_address
2478 (Sized_relobj::do_finalize_local_symbols): Likewise.
2479 (Sized_relobj::map_to_kept_section): Likewise.
2480 * object.h (Sized_relobj::invalid_address): New constant.
2481 (Sized_relobj::do_output_section_offset): Check for invalid_address
2483 * output.cc (Output_reloc::local_section_offset): Use constant
2484 invalid_address instead of -1U.
2485 (Output_reloc::get_address): Likewise.
2486 (Output_section::output_address): Change -1U to -1ULL.
2487 * output.h (Output_reloc::invalid_address): New constant.
2488 * reloc.cc (Sized_relobj::write_sections): Use constant
2489 invalid_address instead of -1U.
2490 (Sized_relobj::relocate_sections): Likewise.
2491 * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
2492 values for merge sections.
2493 * target-reloc.h (relocate_for_relocatable): Use constant
2494 invalid_address instead of -1U.
2496 2008-09-19 Cary Coutant <ccoutant@google.com>
2498 Add plugin functionality for link-time optimization (LTO).
2499 * configure.ac (plugins): Add --enable-plugins option.
2500 * configure: Regenerate.
2501 * config.in: Regenerate.
2502 * Makefile.am (LIBDL): New variable.
2503 (CCFILES): Add plugin.cc.
2504 (HFILES): Add plugin.h.
2505 (ldadd_var): Add LIBDL.
2506 * Makefile.in: Regenerate.
2508 * archive.cc: Include "plugin.h".
2509 (Archive::setup): Don't preread archive symbols when using a plugin.
2510 (Archive::get_file_and_offset): Add memsize parameter. Change callers.
2511 (Archive::get_elf_object_for_member): Call plugin hooks for claiming
2513 (Archive::include_member): Add symbols from plugin objects.
2514 * archive.h (Archive::get_file_and_offset): Add memsize parameter.
2515 * descriptors.cc (Descriptors::open): Check for file descriptors
2516 abandoned by plugins.
2517 (Descriptors::claim_for_plugin): New function.
2518 * descriptors.h (Descriptors::claim_for_plugin): New function.
2519 (Open_descriptor::is_claimed): New field.
2520 (claim_descriptor_for_plugin): New function.
2521 * fileread.cc (File_read::claim_for_plugin): New function.
2522 * fileread.h (File_read::claim_for_plugin): New function.
2523 (File_read::descriptor): New function.
2524 * gold.cc: Include "plugin.h".
2525 (queue_initial_tasks): Add task to call plugin hooks for generating
2527 * main.cc: Include "plugin.h".
2528 (main): Load plugin libraries.
2529 * object.h (Pluginobj): Declare.
2530 (Object::pluginobj): New function.
2531 (Object::do_pluginobj): New function.
2532 (Object::set_target): New function.
2533 * options.cc: Include "plugin.h".
2534 (General_options::parse_plugin): New function.
2535 (General_options::General_options): Initialize plugins_ field.
2536 (General_options::add_plugin): New function.
2537 * options.h (Plugin_manager): Declare.
2538 (General_options): Add --plugin option.
2539 (General_options::has_plugins): New function.
2540 (General_options::plugins): New function.
2541 (General_options::add_plugin): New function.
2542 (General_options::plugins_): New field.
2543 * plugin.cc: New file.
2544 * plugin.h: New file.
2545 * readsyms.cc: Include "plugin.h".
2546 (Read_symbols::do_read_symbols): Check for archive before checking
2547 for ELF file. Call plugin hooks to claim files.
2548 * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
2549 from a real object file; force override when processing replacement
2551 * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
2552 (Symbol::init_base_object): Likewise.
2553 (Symbol::init_base_output_data): Likewise.
2554 (Symbol::init_base_output_segment): Likewise.
2555 (Symbol::init_base_constant): Likewise.
2556 (Symbol::init_base_undefined): Likewise.
2557 (Symbol::output_section): Assert that object is not a plugin.
2558 (Symbol_table::add_from_pluginobj): New function.
2559 (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
2561 (Symbol_table::sized_write_globals): Likewise.
2562 (Symbol_table::add_from_pluginobj): Instantiate template.
2563 * symtab.h (Sized_pluginobj): Declare.
2564 (Symbol::in_real_elf): New function.
2565 (Symbol::set_in_real_elf): New function.
2566 (Symbol::in_real_elf_): New field.
2567 (Symbol_table::add_from_pluginobj): New function.
2569 * testsuite/Makefile.am (AM_CFLAGS): New variable.
2570 (LIBDL): New variable.
2572 (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
2573 (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
2574 (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
2575 (MOSTLYCLEANFILES): Likewise.
2576 * testsuite/Makefile.in: Regenerate.
2577 * testsuite/plugin_test.c: New file.
2578 * testsuite/plugin_test_1.sh: New file.
2579 * testsuite/plugin_test_2.sh: New file.
2581 2008-09-16 Ian Lance Taylor <iant@google.com>
2583 * target-reloc.h (relocate_section): Check whether a symbol is
2584 defined by the ABI before reporting an undefined symbol error.
2585 * target.h (Target::is_defined_by_abi): Make parameter const.
2586 (Target::do_is_defined_by_abi): Likewise.
2587 * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
2588 * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
2589 * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
2590 * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
2591 * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
2592 * testsuite/Makefile.in: Rebuild.
2594 * fileread.cc (make_view): Add casts to avoid warning.
2596 2008-09-16 Alexandre Oliva <aoliva@redhat.com>
2598 * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
2599 * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
2601 2008-09-16 Alexandre Oliva <aoliva@redhat.com>
2603 * options.h (General_options::output_is_executable): New.
2604 (General_options::output_is_pie): New.
2605 * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
2606 for shared libraries.
2607 * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
2609 2008-09-11 Chris Demetriou <cgd@google.com>
2611 * options.h (origin): New -z option.
2612 * layout.cc (Layout:finish_dynamic_section): If "-z origin"
2613 is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
2616 2008-09-05 Cary Coutant <ccoutant@google.com>
2618 * fileread.cc (File_read::make_view): Add check for attempt to map
2621 2008-09-05 Cary Coutant <ccoutant@google.com>
2623 * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
2624 explicit instantiations.
2626 2008-08-28 Kris Van Hees <kris.van.hees@oracle.com>
2629 * options.cc (General_options::finalize): Allow undefined symbols
2630 in shlibs if linking -shared.
2633 * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
2634 symbols as not needing a dynsym entry.
2636 2008-08-20 Craig Silverstein <csilvers@google.com>
2638 * fileread.cc (File_read::open): Do not lock the file unless it
2639 was successfully opened.
2641 2008-08-14 Cary Coutant <ccoutant@google.com>
2643 * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
2644 Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
2645 * testsuite/tls_test.cc (struct int128): 128-bit struct
2646 for testing TLS relocs with non-zero addend.
2647 (v12): New TLS variable.
2649 (t_last): Add check for v12.
2650 * testsuite/tls_test.h (t12): New function.
2651 * testsuite/tls_test_main.cc (thread_routine): Call new test.
2653 2008-08-13 Ian Lance Taylor <iant@google.com>
2655 * layout.cc (Layout::attach_allocated_section_to_segment): Don't
2656 set tls_segment_ or relro_segment_.
2657 (Layout::make_output_segment): Set tls_segment_ and relro_segment_
2659 * output.h (Output_section::clear_is_relro): New function.
2660 * output.cc (Output_segment::add_output_section): Handle SHF_TLS
2661 sections specially even when output_data_ is empty.
2662 (Output_segment::maximum_alignment): When first section is relro,
2663 only force alignment for PT_LOAD segments.
2664 * script.cc (script_data_segment_align): New function.
2665 (script_data_segment_relro_end): New function.
2666 * script-c.h (script_data_segment_align): Declare.
2667 (script_data_segment_relro_end): Declare.
2668 * script-sections.h (class Script_sections): Declare
2669 data_segment_align and data_segment_relro_end. Add fields
2670 segment_align_index_ and saw_relro_end_.
2671 * script-sections.cc (class Sections_element): Add set_is_relro
2672 virtual function. Add new bool* parameter to place_orphan_here.
2673 Add get_output_section virtual function.
2674 (class Output_section_definition): Add set_is_relro. Add new
2675 bool* parameter to place_orphan_here. Add get_output_section.
2676 Add is_relro_ field.
2677 (Output_section_definition::Output_section_definition): Initialize
2678 evaluated_address_, evaluated_load_address, evaluated_addralign_,
2679 and is_relro_ fields.
2680 (Output_section_definition::place_orphan_here): Add is_relro
2682 (Output_section_definition::set_section_addresses): Set relro for
2684 (Output_section_definition::alternate_constraint): Likewise.
2685 (class Orphan_output_section): Add new bool* parameter to
2686 place_orphan_here. Add get_output_section.
2687 (Orphan_output_section::place_orphan_here): Add is_relro
2689 (Script_sections::Script_sections): Initialize
2690 data_segment_align_index_ and saw_relro_end_.
2691 (Script_sections::data_segment_align): New function.
2692 (Script_sections::data_segment_relro_end): New function.
2693 (Script_sections::place_orphan): Set or clear is_relro.
2694 (Script_sections::set_section_addresses): Force alignment of first
2696 * yyscript.y (exp): Call script_data_segment_align and
2697 script_data_segment_relro_end.
2698 * testsuite/relro_script_test.t: New file.
2699 * testsuite/relro_test.cc (using_script): Declare.
2700 (t1, t2): Test using_script.
2701 * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
2702 (relro_script_test_SOURCES): Define.
2703 (relro_script_test_DEPENDENCIES): Define.
2704 (relro_script_test_LDFLAGS): Define.
2705 (relro_script_test_LDADD): Define.
2706 (relro_script_test.so): New target.
2707 * testsuite/Makefile.in: Rebuild.
2709 2008-08-06 Cary Coutant <ccoutant@google.com>
2711 * archive.cc (Archive::total_archives, Archive::total_members)
2712 (Archive::total_members_loaded): New variables.
2713 (Archive::setup): Add parameter. Add option to preread
2715 (Archive::read_armap): Add counter.
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::add_symbols): Add counters.
2721 (Archive::include_all_members): Use armap to find members if it's
2723 (Archive::include_member): Skip reading symbols if already read.
2724 Factored code into Archive::get_file_and_offset and
2725 Archive::get_elf_object_for_member. Changed call to
2726 Mapfile::report_include_archive_member.
2727 (Archive::print_stats): New function.
2728 * archive.h: Declare Object and Read_symbols_data classes.
2729 (Archive::Archive): Add initializers for new members.
2730 (Archive::setup): Add parameter.
2731 (Archive::print_stats): New function.
2732 (Archive::total_archives, Archive::total_members)
2733 (Archive::total_members_loaded): New variables.
2734 (Archive::get_file_and_offset): New function.
2735 (Archive::get_elf_object_for_member): New function.
2736 (Archive::read_all_symbols): New function.
2737 (Archive::read_symbols): New function.
2738 (Archive::Archive_member): New class.
2739 (Archive::members_): New member.
2740 (Archive::num_members_): New member.
2741 * main.cc: Include archive.h.
2742 (main): Call Archive::print_stats.
2743 * mapfile.cc (Mapfile::report_include_archive_member): Delete
2744 archive parameter; member_name is now the fully-decorated name.
2745 * mapfile.h (Mapfile::report_include_archive_member): Likewise.
2746 * options.h: (General_options): Add --preread-archive-symbols option.
2747 * readsyms.cc (Read_symbols::do_read_symbols): Change call to
2750 2008-08-04 Ian Lance Taylor <iant@google.com>
2752 * symtab.h (Symbol::use_plt_offset): New function.
2753 * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
2754 * powerpc.cc (Relocate::relocate): Likewise.
2755 * sparc.cc (Relocate::relocate): Likewise.
2756 * x86_64.cc (Relocate::relocate): Likewise.
2757 * testsuite/weak_plt.sh: New test.
2758 * testsuite/weak_plt_main.cc: New test.
2759 * testsuite/weak_plt_shared.cc: New test.
2760 * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
2761 (check_PROGRAMS): Add weak_plt.
2762 (check_DATA): Add weak_plt_shared.so.
2763 (weak_plt_main_pic.o, weak_plt): New targets.
2764 (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
2765 * testsuite/Makefile.in: Rebuild.
2767 * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
2769 (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
2770 * testsuite/Makefile.in: Rebuild.
2772 2008-08-04 Alan Modra <amodra@bigpond.net.au>
2774 * Makefile.am (POTFILES.in): Set LC_ALL=C.
2775 * Makefile.in: Regenerate.
2776 * po/POTFILES.in: Regenerate.
2778 2008-07-29 Ian Lance Taylor <iant@google.com>
2780 * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
2781 symbols before other symbols.
2782 * testsuite/script_test_2.cc (test_addr): Declare.
2783 (test_addr_alias): Declare.
2784 (main): Check that test_addr and test_addr_alias have the right
2786 * testsuite/script_test_2.t: Define test_addr_alias and
2789 2008-07-24 Ian Lance Taylor <iant@google.com>
2792 * descriptors.cc: New file.
2793 * descriptors.h: New file.
2794 * gold-threads.h (class Hold_optional_lock): New class.
2795 * fileread.cc: Include "descriptors.h".
2796 (File_read::~File_read): Release descriptor rather than closing
2798 (File_read::open) [file]: Call open_descriptor rather than open.
2799 Set is_descriptor_opened_.
2800 (File_read::open) [memory]: Assert that descriptor is not open.
2801 (File_read::reopen_descriptor): New function.
2802 (File_read::release): Release descriptor.
2803 (File_read::do_read): Make non-const. Reopen descriptor.
2804 (File_read::read): Make non-const.
2805 (File_read::make_view): Reopen descriptor.
2806 (File_read::do_readv): Likewise.
2807 * fileread.h (class File_read): Add is_descriptor_opened_ field.
2808 Update declarations.
2809 * layout.cc: Include "descriptors.h".
2810 (Layout::create_build_id): Use open_descriptor rather than open.
2811 * output.cc: Include "descriptors.h".
2812 (Output_file::open): Use open_descriptor rather than open.
2813 * archive.cc (Archive::const_iterator): Change Archive to be
2815 (Archive::begin, Archive::end): Make non-const.
2816 (Archive::count_members): Likewise.
2817 * archive.h (class Archive): Update declarations.
2818 * object.h (Object::read): Make non-const.
2819 * Makefile.am (CCFILES): Add descriptors.cc.
2820 (HFILES): Add descriptors.h.
2821 * Makefile.in: Rebuild.
2824 * gold.h: Always include <clocale>. Add Solaris workarounds
2825 following code in binutils/sysdep.h.
2828 * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
2829 this->eh_frame_hdr_ is NULL before using it.
2831 * dynobj.cc (Versions::Versions): Update comment.
2833 * dynobj.cc (Versions::Versions): If there is an soname, use it as
2834 the base version name.
2836 * stringpool.cc (Stringpool_template::add_with_length): Set key to
2837 array size plus one.
2838 (Stringpool_template::set_string_offsets): Subtract one from key
2839 before using it as an array index.
2840 (Stringpool_template::get_offset_with_length): Likewise.
2841 (Stringpool_template::write_to_buffer): Likewise.
2842 * stringpool.h (Stringpool_template::get_offset_from_key):
2845 2008-07-23 Ian Lance Taylor <iant@google.com>
2848 * object.h (Merged_symbol_value::value): Do our best to handle a
2852 * script.cc (Version_script_info::get_versions): Don't add empty
2853 version tag to return value.
2854 (Version_script_info::get_symbol_version_helper): Change return
2855 type to bool. Add pversion parameter. Change all callers.
2856 (script_register_vers_node): Don't require a non-NULL tag.
2857 * script.h (class Version_script_info): Update declarations.
2858 (Version_script_info::get_symbol_version): Change return type to
2859 bool. Add version parameter. Change all callers.
2860 * symtab.cc (Sized_symbol::add_from_relobj): Rework version
2861 handling. Handle an empty version from a version script.
2862 (Symbol_table::define_special_symbol): Likewise.
2863 * testsuite/ver_test_10.script: New file.
2864 * testsuite/ver_test_10.sh: New file.
2865 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
2866 (check_DATA): Add ver_test_10.syms.
2867 (ver_test_10.syms, ver_test_10.so): New target.
2868 * testsuite/Makefile.in: Rebuild.
2870 2008-07-23 Simon Baldwin <simonb@google.com>
2872 * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
2873 to zero for undefined symbols from dynamic libraries.
2875 2008-07-23 Ian Lance Taylor <iant@google.com>
2877 * symtab.cc (Symbol_table::resolve): Remove version parameter.
2879 * symtab.h (class Symbol_table): Update declaration.
2880 * testsuite/ver_test_9.cc: New file.
2881 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
2882 (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
2883 (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
2884 (ver_test_9.so, ver_test_9.o): New targets.
2885 * testsuite/Makefile.in: Rebuild.
2887 2008-07-22 Ian Lance Taylor <iant@google.com>
2889 * options.h (class General_options): Define --check-sections.
2890 * layout.cc (Layout::set_segment_offsets): Handle
2893 * options.h (class General_options): Define -n/--nmagic and
2895 * options.cc (General_options::finalize): For -n/--nmagic or
2896 -N/--omagic, set -static.
2897 * layout.cc (Layout::attach_allocated_section_to_segment): If
2898 -N/--omagic, don't put read-only and read-write sections in
2900 (Layout::find_first_load_seg): If -N/--omagic, don't insist on
2901 finding a read-only segment.
2902 (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
2903 don't set the minimum segment alignment to the common page size,
2904 and don't set the file offset to the address modulo the page size.
2905 * script-sections.cc (Script_sections::create_segments): If
2906 -n/--omagic, don't put read-only and read-write sections in
2909 * cref.cc: New file.
2911 * options.h (class General_options): Add --print-symbol-counts.
2912 * main.cc (main): Issue defined symbol report if requested.
2913 * archive.cc (Archive::interpret_header): Make into a const member
2915 (Archive::add_symbols): Call Input_objects::archive_start and
2917 (Archive::const_iterator): Define new class.
2918 (Archive::begin, Archive::end): New functions.
2919 (Archive::include_all_members): Rewrite to use iterator.
2920 (Archive::count_members): New function.
2921 * archive.h (class Archive): Update declarations.
2922 (Archive::filename): New function.
2923 * object.cc: Include "cref.h".
2924 (Sized_relobj::Sized_relobj): Initialize defined_count_.
2925 (Sized_relobj::do_get_global_symbol_counts): New function.
2926 (Input_objects::add_object): Add object to cross-referencer.
2927 (Input_objects::archive_start): New function.
2928 (Input_objects::archive_stop): New function.
2929 (Input_objects::print_symbol_counts): New function.
2930 * object.h: Declare Cref and Archive.
2931 (Object::get_global_symbol_counts): New function.
2932 (Object::do_get_global_symbol_counts): New pure virtual function.
2933 (class Sized_relobj): Add defined_count_ field. Update
2935 (class Input_objects): Add cref_ field. Update constructor.
2936 Update declarations.
2937 * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
2939 (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
2941 (Sized_dynobj::do_get_global_symbol_counts): New function.
2942 * dynobj.h (class Sized_dynobj): Add fields symbols_ and
2943 defined_count_. Update declarations. Define Symbols typedef.
2944 * symtab.cc (Symbol_table::add_from_relobj): Add defined
2945 parameter. Change all callers.
2946 (Symbol_table::add_from_dynobj): Add sympointers and defined
2947 parameters. Change all callers.
2948 * symtab.h (class Symbol_table): Update declarations.
2949 * Makefile.am (CCFILES): Add cref.cc.
2950 (HFILES): Add cref.h.
2951 * Makefile.in: Rebuild.
2953 2008-07-22 Simon Baldwin <simonb@google.com>
2955 * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
2956 to zero when writing undefined symbols.
2958 2008-07-22 Ian Lance Taylor <iant@google.com>
2960 * output.cc (Output_section::add_input_section): Don't try to
2961 merge empty merge sections.
2963 2008-07-21 Craig Silverstein <csilvers@google.com>
2965 * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
2966 Include symbol version in error message.
2968 2008-07-20 Chris Demetriou <cgd@google.com>
2970 * configure.ac (gold_cv_c_random_seed): New configured variable.
2971 (RANDOM_SEED_CFLAGS): New substituted variable.
2972 * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
2973 * configure: Rebuild.
2974 * Makefile.in: Likewise.
2975 * testsuite/Makefile.in: Likewise.
2977 2008-07-18 Ian Lance Taylor <iant@google.com>
2979 * symtab.cc (Symbol_table::add_from_object): Rewrite the case
2980 where we see NAME/NULL and NAME/VERSION as separate symbols.
2981 * testsuite/ver_test_main.cc (main): Call t4.
2982 (t4, t4_2a): Define.
2983 * testsuite/ver_test_2.cc (t4_2): Define.
2984 * testsuite/ver_test_2.script: Put t4_2a in VER2.
2985 * testsuite/ver_test_4.cc (t4_2a): Define.
2986 * testsuite/ver_test_4.script: Put t4_2a in VER2.
2987 * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
2989 2008-07-17 Ian Lance Taylor <iant@google.com>
2991 * dynobj.cc (Versions::add_def): If we give an error about a
2992 missing version, go ahead and create the version anyhow.
2994 2008-07-10 Ian Lance Taylor <iant@google.com>
2996 Handle output sections with more than 0x7fffffff bytes.
2997 * object.h (class Relobj): Change map_to_output_ to
2998 output_sections_, and just keep a section pointer. Change all
2999 uses. Move comdat group support to Sized_relobj.
3000 (Relobj::is_section_specially_mapped): Remove.
3001 (Relobj::output_section): Remove poff parameter. Change all
3003 (Relobj::output_section_offset): New function.
3004 (Relobj::set_section_offset): Rewrite.
3005 (Relobj::map_to_output): Remove.
3006 (Relobj::output_sections): New function.
3007 (Relobj::do_output_section_offset): New pure virtual function.
3008 (Relobj::do_set_section_offset): Likewise.
3009 (class Sized_relobj): Add section_offsets_ field. Add comdat
3010 group support from Relobj. Update declarations.
3011 (Sized_relobj::get_output_section_offset): New function.
3012 (Sized_relobj::do_output_section_offset): New function.
3013 (Sized_relobj::do_set_section_offset): New function.
3014 * object.cc (Relobj::output_section_address): Remove.
3015 (Sized_relobj::Sized_relobj): Initialize new fields.
3016 (Sized_relobj::include_section_group): Cast find_kept_object to
3018 (Sized_relobj::include_linkonce_section): Likewise.
3019 (Sized_relobj::do_layout): Use separate arrays for output section
3021 (Sized_relobj::do_count_local_symbols): Change map_to_output to
3023 (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
3024 output_sections and section_offsets.
3025 (Sized_relobj::write_local_symbols): Likewise.
3026 (map_to_kept_section): Compute output address directly.
3027 * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
3028 output_sections and section_offsets.
3029 (Sized_relobj::write_sections): Likewise.
3030 (Sized_relobj::relocate_sections): Likewise.
3031 * symtab.cc (sized_finalize_symbol): Use output_section_offset.
3032 * output.h (class Output_reloc): Update declarations. Change
3033 u2_.relobj to Sized_relobj*.
3034 (class Output_data_reloc): Change add functions to use
3036 * output.cc (Output_reloc::Output_reloc): Change relobj to
3038 (Output_reloc::local_section_offset): Change return type to
3039 Elf_Addr. Use get_output_section_offset.
3040 (Output_reloc::get_address): Likewise.
3041 (Output_section::is_input_address_mapped): Don't call
3042 is_section_specially_mapped.
3043 (Output_section::output_offset): Likewise.
3044 (Output_section::output_address): Likewise.
3045 (Output_section::starting_output_address): Likewise.
3046 * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
3047 parameter to Sized_relobj*.
3048 (Copy_relocs::need_copy_reloc): Likewise.
3049 (Copy_relocs::save): Likewise.
3050 * copy-relocs.h (class Copy_relocs): Update declarations.
3051 (class Copy_relocs::Copy_reloc_entry): Change constructor to use
3052 Sized_relobj*. Change relobj_ field to Sized_relobj*.
3053 * target-reloc.h (relocate_for_relocatable): Change
3054 offset_in_output_section type to Elf_Addr. Change code that uses
3056 * layout.cc (Layout::layout): Always set *off.
3057 * mapfile.cc (Mapfile::print_input_section): Use
3058 output_section_offset.
3059 * i386.cc (Target_i386::copy_reloc): Change object parameter to
3061 * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
3062 * sparc.cc (Target_sparc::copy_reloc): Likewise.
3063 * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
3065 2008-07-03 Ian Lance Taylor <iant@google.com>
3067 * layout.cc (Layout::include_section): Do not discard unrecognized
3068 SHT_STRTAB sections.
3070 2008-06-30 Craig Silverstein <csilvers@cs.stanford.edu>
3072 * script.cc (Lex::can_continue_name): Make '?' allowable in
3073 version-script names.
3074 * testsuite/version_script.map: Change glob pattern to use '?'
3076 2008-06-30 Manish Singh <yosh@gimp.org>
3079 * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
3082 2008-06-30 Ian Lance Taylor <iant@google.com>
3086 * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
3087 versions]: Don't try to read the value in the contents, since we
3088 don't use it. Use the template endianness when writing.
3090 2008-06-25 Cary Coutant <ccoutant@google.com>
3092 * fileread.cc (File_read::make_view): Assert on zero-length view.
3093 * object.cc (Sized_relobj::do_read_symbols): Don't try to read
3094 symbol table when there are no symbols to read.
3096 2008-06-23 Craig Silverstein <csilvers@google.com>
3098 * version.cc (version_string): Bump to 1.7
3100 2008-06-18 Craig Silverstein <csilvers@google.com>
3102 * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
3103 constant 0xFFFF to type Valtype.
3104 (Powerpc_relocate_functions::rel16_ha): Likewise.
3106 2008-06-17 Ian Lance Taylor <iant@google.com>
3108 * output.h (Output_section::Input_section): Initialize p2align_ to
3109 zero for Output_section_data constructors.
3110 (Output_section::Input_section::addralign): If not an input
3111 section, return the alignment of the Output_section_data.
3112 * testsuite/copy_test.cc: New file.
3113 * testsuite/copy_test_1.cc: New file.
3114 * testsuite/copy_test_2.cc: New file.
3115 * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
3116 (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
3117 (copy_test_LDFLAGS, copy_test_LDADD): New variables.
3118 (copy_test_1_pic.o, copy_test_1.so): New targets.
3119 (copy_test_2_pic.o, copy_test_2.so): New targets.
3120 * testsuite/Makefile.in: Rebuild.
3122 * script-sections.cc (Script_sections::place_orphan): Initialize
3123 local variable exact.
3125 2008-06-13 David Edelsohn <edelsohn@gnu.org>
3127 * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
3129 2008-06-12 David Edelsohn <edelsohn@gnu.org>
3130 David S. Miller <davem@davemloft.net>
3132 * powerpc.cc: New file.
3133 * Makefile.am (TARGETSOURCES): Add powerpc.cc
3134 (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
3135 * configure.tgt: Add entries for powerpc-* and powerpc64-*.
3136 * Makefile.in: Rebuild.
3138 2008-06-09 Ian Lance Taylor <iant@google.com>
3140 * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
3142 (throwing, orig_terminate): New static variables.
3143 (terminate_handler): New static function.
3144 (t2): Set terminate handler.
3146 2008-06-05 Kris Van Hees <kris.van.hees@oracle.com>
3149 * binary.cc (Binary_to_elf::sized_convert): Fix .data
3152 2008-05-30 Cary Coutant <ccoutant@google.com>
3154 * archive.cc (Archive::include_all_members) Correct to step
3155 over symbol table and extended name table in thin archives.
3157 2008-05-29 Kris Van Hees <kris.van.hees@oracle.com>
3160 * target-reloc.h (relocate_for_relocatable): Fix new_offset
3163 2008-05-28 Caleb Howe <cshowe@google.com>
3165 * reduced_debug_output.cc: New file.
3166 * reduced_debug_output.h: New file.
3167 * options.h (class General_options): Add --strip-debug-non-line.
3168 * options.cc (General_options::finalize): Add strip_debug_non_line
3169 to the strip heirarchy.
3170 * layout.h (class Layout): Add debug_abbrev_ and debug_info_
3172 * layout.cc: Include "reduced_debug_output.h".
3173 (Layout::Layout): Initialize new fields.
3174 (line_only_debug_sections): New static array.
3175 (is_lines_only_debug_sections): New static inline function.
3176 (Layout::include_section): Handle --strip-debug-non-line.
3177 (Layout::make_output_section): If --strip-debug-non-line, build
3178 new output sections for .debug_abbrev and .debug_info.
3179 * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
3180 gold. Warn about possible overflow.
3181 (read_signed_LEB_128): Likewise.
3182 * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
3183 (read_signed_LEB_128): Declare.
3184 * Makefile.am (CCFILES): Add reduced_debug_output.cc.
3185 (HFILES): Add reduced_debug_output.h.
3186 * Makefile.in: Rebuild.
3188 2008-05-21 Ian Lance Taylor <iant@google.com>
3190 * mapfile.cc: New file.
3191 * mapfile.h: New file.
3192 * options.h (class General_options): Add -M/--print-map and -Map.
3193 * options.cc (General_options::finalize): Make -M equivalent to
3195 * main.cc: Include <cstdio> and "mapfile.h".
3196 (main): Open mapfile if requested.
3197 * gold.cc (class Middle_runner): Add mapfile_ field. Update
3198 constructor. Change caller.
3199 (queue_initial_tasks): Add mapfile parameter. Change caller.
3200 (queue_middle_tasks): Likewise.
3201 * gold.h (queue_initial_tasks, queue_middle_tasks): Update
3203 * archive.cc: Include "mapfile.h".
3204 (Archive::add_symbols): Add mapfile parameter. Change all
3205 callers. Pass mapfile, symbol, and reason to include_member.
3206 (Archive::include_all_members): Add mapfile parameter. Change all
3208 (Archive::include_member): Add mapfile, sym, and why parameters.
3209 Change all callers. Report inclusion to map file.
3210 * archive.h: Include "fileread.h".
3211 (class Archive): Update declarations.
3212 (Archive::file): New const method.
3213 (class Add_archive_symbols): Add mapfile_ field. Update
3214 constructor. Change all callers.
3215 * readsyms.h (class Read_symbols): Likewise.
3216 (class Finish_group): Likewise.
3217 (class Read_script): Likewise.
3218 * common.cc: Include "mapfile.h".
3219 (Symbol_table::allocate_commons): Add mapfile parameter. Change
3221 (Symbol_table::do_allocate_commons): Likewise.
3222 (Symbol_table::do_allocate_commons_list): Likewise. Report common
3223 symbol allocation to mapfile.
3224 * common.h (class Allocate_commons_task): Add mapfile_ field.
3225 Update constructor. Change all callers.
3226 * symtab.h (class Symbol_table): Update declarations.
3227 * layout.cc: Include "mapfile.h".
3228 (Layout_task_runner::run): Print information to mapfile.
3229 (Layout::create_gold_note): Change Output_data_fixed_space to
3230 Output_data_zero_fill.
3231 (Layout::create_build_id): Likewise.
3232 (Layout::print_to_mapfile): New function.
3233 * layout.h (class Layout_task_runner): Add mapfile_ field. Update
3234 constructor. Change caller.
3235 (class Layout): Declare print_to_mapfile.
3236 * output.cc (Output_section::Input_section::print_to_mapfile): New
3238 (Output_section::add_input_section): If producing a map, always
3239 add to input_sections_ list.
3240 (Output_section::do_print_to_mapfile): New function.
3241 (Output_segment::print_sections_to_mapfile): New function.
3242 (Output_segment::print_section_list_to_mapfile): New function.
3243 * output.h: Include "mapfile.h".
3244 (Output_data::print_to_mapfile): New function.
3245 (Output_data::do_print_to_mapfile): New virtual function.
3246 (Output_segment_headers::do_print_to_mapfile): New function.
3247 (Output_file_header::do_print_to_mapfile): New function.
3248 (Output_data_const::do_print_to_mapfile): New function.
3249 (class Output_data_const_buffer): Add map_name_ field. Update
3250 constructor. Change all callers. Add do_print_to_mapfile
3252 (class Output_data_fixed_space): Likewise.
3253 (class Output_data_space): Likewise.
3254 (class Output_data_zero_fill): New class.
3255 (Output_data_strtab::do_print_to_mapfile): New function.
3256 (Output_data_reloc_base::do_print_to_mapfile): New function.
3257 (Output_relocatable_relocs::do_print_to_mapfile): New function.
3258 (Output_data_group::do_print_to_mapfile): New function.
3259 (Output_data_got::do_print_to_mapfile): New function.
3260 (Output_data_dynamic::do_print_to_mapfile): New function.
3261 (Output_symtab_xindex::do_print_to_mapfile): New function.
3262 (class Output_section): Declare do_print_to_mapflie. Declare
3263 print_to_mapfile in Input_section.
3264 (class Output_segment): Declare new functions.
3265 * object.h (Sized_relobj::symbol_count): New function.
3266 * script-sections.cc
3267 (Output_section_element_dot_assignment::set_section_addresses):
3268 Change Output_data_fixed_space to Output_data_zero_fill.
3269 (Output_data_expression::do_print_to_mapfile): New function.
3270 * script.cc (read_input_script): Add mapfile parameter. Change
3272 * script.h (read_input_script): Update declaration.
3273 * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
3274 (Eh_frame::do_print_to_mapfile): New function.
3275 * merge.h (Output_merge_data::do_print_to_mapfile): New function.
3276 (Output_merge_string::do_print_to_mapfile): New function.
3277 * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
3279 * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
3281 * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
3283 * Makefile.am (CCFILES): Add mapfile.cc.
3284 (HFILES): Add mapfile.h.
3285 * Makefile.in: Rebuild.
3287 2008-05-19 Ian Lance Taylor <iant@google.com>
3289 * options.h (class General_options): Add -z relro.
3290 * layout.cc (Layout::Layout): Initialize relro_segment_.
3291 (Layout::add_output_section_data): Return the output section.
3292 (Layout::make_output_section): Rcognize relro sections and mark
3294 (Layout::attach_allocated_section_to_segment): Put relro sections
3295 in a PT_GNU_RELRO segment.
3296 (Layout::create_initial_dynamic_sections): Mark the .dynamic
3298 (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
3300 (Layout::linkonce_mapping): Map d.rel.ro.local to
3302 (Layout::output_section_name): Us .data.rel.ro.local for any
3303 section which begins with that.
3304 * layout.h (class Layout): Update add_output_section_data
3305 declaration. Add relro_segment_ field.
3306 * output.cc (Output_section::Output_section): Initialize is_relro_
3307 and is_relro_local_ fields.
3308 (Output_segment::add_output_section): Group relro sections.
3309 (Output_segment::is_first_section_relro): New function.
3310 (Output_segment::maximum_alignment): If there is a relro section,
3311 align the segment to the common page size.
3312 (Output_segment::set_section_addresses): Track whether we are
3313 looking at relro sections. If the last section is a relro
3314 section, align to the common page size.
3315 (Output_segment::set_section_list_addresses): Add in_relro
3316 parameter. Change all callers. Align to the page size when
3317 moving from relro to non-relro section.
3318 (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
3320 * output.h (class Output_section): Add is_relro_ and
3321 is_relro_local_ fields.
3322 (Output_section::is_relro): New function.
3323 (Output_section::set_is_relro): New function.
3324 (Output_section::is_relro_local): New function.
3325 (Output_section::set_is_relro_local): New function.
3326 (class Output_segment): Update declarations.
3327 * i386.cc (Target_i386::got_section): Mark .got section as relro.
3328 * sparc.cc (Target_sparc::got_section): Likewise.
3329 * x86_64.cc (Target_x86_64::got_section): Likewise.
3330 * testsuite/relro_test_main.cc: New file.
3331 * testsuite/relro_test.cc: New file.
3332 * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
3333 (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
3334 (relro_test_LDFLAGS, relro_test_LDADD): New variables.
3335 (relro_test.so, relro_test_pic.o): New targets.
3336 * testsuite/Makefile.in: Rebuild.
3338 2008-05-16 Ian Lance Taylor <iant@google.com>
3340 * output.cc (Output_segment::add_output_section): Remove front
3342 * output.h (class Output_segment): Remove
3343 add_initial_output_section and overloaded add_output_section.
3344 Update declaration of remaining add_output_section.
3345 * layout.cc (Layout::create_interp): Call add_output_section
3346 rather than add_initial_output_section.
3347 (Layout::finish_dynamic_section): Likewise.
3349 * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
3350 for TLS_GOTDESC and TLS_DESC_CALL. Only optimize TLS_LDO_32 if we
3351 know the dynamic type.
3352 * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
3353 field. Initialize it in constructor.
3354 (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
3355 block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
3356 Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
3359 * output.cc (Output_reloc::get_address): Change return type to
3361 * output.h (class Output_reloc): Update get_address declaration.
3362 * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
3363 for section addresses.
3365 2008-05-09 Ian Lance Taylor <iant@google.com>
3368 * gold.cc (gold_nomem): Use return value of write.
3370 2008-05-08 Ian Lance Taylor <iant@google.com>
3372 * symtab.c (Symbol::init_base_output_data): Add version
3373 parameter. Change all callers.
3374 (Symbol::init_base_output_segment): Likewise.
3375 (Symbol::init_base_constant): Likewise.
3376 (Symbol::init_base_undefined): Likewise.
3377 (Sized_symbol::init_output_data): Likewise.
3378 (Sized_symbol::init_output_segment): Likewise.
3379 (Sized_symbol::init_constant): Likewise.
3380 (Sized_symbol::init_undefined): Likewise.
3381 (Symbol_table::do_define_in_output_data): If the new symbol has a
3382 version, mark it as the default.
3383 (Symbol_table::do_define_in_output_segment): Likewise.
3384 (Symbol_table::do_define_as_constant): Likewise.
3385 * symtab.h (class Symbol): Update declarations.
3386 (class Sized_symbol): Likewise.
3387 * resolve.cc (Symbol::override_version): New function.
3388 (Symbol::override_base): Call override_version.
3389 (Symbol::override_base_with_special): Likewise.
3390 * testsuite/ver_script_8.script: New file.
3391 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
3392 (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
3393 (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
3394 (ver_test_8_1.so, ver_test_8_2.so): New targets.
3396 2008-05-06 Ian Lance Taylor <iant@google.com>
3399 * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
3401 (class General_options): Remove existing --undefined, and add
3402 --no-undefined instead. Add new --undefined as synonym for -u.
3403 * archive.cc (Archive::add_symbols): Check whether symbol was
3405 * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
3406 * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
3407 all uses. Add IS_UNDEFINED. Update declarations to split
3408 different versions of init_base. Declare init_base_undefined.
3409 (Symbol::is_defined): Handle IS_UNDEFINED.
3410 (Symbol::is_undefined): Likewise.
3411 (Symbol::is_weak_undefined): Call is_undefined.
3412 (Symbol::is_absolute): Handle IS_CONSTANT.
3413 (class Sized_symbol): Update declarations to split different
3414 versions of init. Declare init_undefined.
3415 (class Symbol_table): Declare new functions.
3416 * symtab.cc (Symbol::init_base_object): Rename from init_base.
3418 (Symbol::init_base_output_data): Likewise.
3419 (Symbol::init_base_output_segment): Likewise.
3420 (Symbol::init_base_constant): Likewise.
3421 (Symbol::init_base_undefined): New function.
3422 (Sized_symbol::init_object): Rename from init. Change all
3424 (Sized_symbol::init_output_data): Likewise.
3425 (Sized_symbol::init_output_segment): Likewise.
3426 (Sized_symbol::init_constant): Likewise.
3427 (Sized_symbol::init_undefined): New function.
3428 (Symbol_table::add_undefined_symbols_from_command_line): New
3430 (Symbol_table::do_add_undefined_symbols_from_command_line): New
3432 (Symbol::final_value_is_known): Handle IS_UNDEFINED.
3433 (Symbol::output_section): Likewise.
3434 (Symbol::set_output_section): Likewise.
3435 (Symbol_table::sized_finalize_symbol): Likewise.
3436 (Symbol_table::sized_write_globals): Likewise.
3437 * resolve.cc (Symbol_table::should_override): Likewise.
3438 (Symbol::override_base_with_special): Likewise.
3440 * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
3441 symbol, change it to have default visibility.
3442 * testsuite/protected_1.cc: New file.
3443 * testsuite/protected_2.cc: New file.
3444 * testsuite/protected_3.cc: New file.
3445 * testsuite/protected_main_1.cc: New file.
3446 * testsuite/protected_main_2.cc: New file.
3447 * testsuite/protected_main_3.cc: New file.
3448 * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
3449 (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
3450 (protected_1_LDFLAGS, protected_1_LDADD): Define.
3451 (protected_1.so): New target.
3452 (protected_1_pic.o, protected_2_pic.o): New targets.
3453 (protected_3_pic.o): New target.
3454 (check_PROGRAMS): Add protected_2.
3455 (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
3456 (protected_2_LDFLAGS, protected_2_LDADD): Define.
3457 * testsuite/Makefile.in: Rebuild.
3459 * options.h (DEFINE_var): Add set_user_set_##varname__.
3460 (DEFINE_bool_alias): New macro.
3461 (class General_options): Define -Bstatic using DEFINE_bool_alias
3462 rather than DEFINE_special. Add --undefined as an alias for -z
3464 * options.cc (General_options::parse_Bstatic): Remove.
3466 * options.h (class General_options): Add --fatal-warnings.
3467 * main.cc (main): Implement --fatal-warnings.
3468 * errors.h (Errors::warning_count): New function.
3470 * options.h (class General_options): Add -Bsymbolic-functions.
3471 * symtab.h (Symbol::is_preemptible): Check for
3472 -Bsymbolic-functions.
3474 2008-05-05 Ian Lance Taylor <iant@google.com>
3476 * options.h (DEFINE_bool): For DASH_Z, create the negative option
3477 as noVARNAME rather than no-VARNAME.
3478 (class General_options): Add option -z combreloc.
3479 * output.h (class Output_reloc) [SHT_REL]: Declare compare and
3481 (Output_reloc::sort_before) [SHT_REL]: New function.
3482 (Output_reloc::sort_before) [SHT_RELA]: New function.
3483 (class Output_data_reloc_base): Add sort_relocs_ field. Define
3484 Sort_relocs_comparison.
3485 (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
3486 parameter. Change all callers.
3487 (Output_data_reloc::Output_data_reloc) [both versions]: Add
3488 sort_relocs parameter. Change all callers.
3489 * output.cc (Output_reloc::get_address): New function, broken out
3491 (Output_reloc::write_rel): Call it.
3492 (Output_reloc::compare): New function.
3493 (Output_data_reloc_base::do_write): Optionally sort relocs.
3495 * configure.ac: If targ_extra_obj is set, link it in.
3496 * configure.tgt: Initialize all variables.
3497 (x86_64*): Set targ_extra_obj and targ_extra_size.
3498 * configure: Rebuild.
3500 * object.cc (Sized_relobj::include_section_group): Adjust section
3501 indexes read from group data. Build vector to pass to
3503 * layout.cc (Layout::layout_group): Add flags and shndxes
3504 parameters. Remove contents parameter. Change caller. Update
3505 explicit instantiations.
3506 * layout.h (class Layout): Update layout_group declaration.
3507 * output.cc (Output_data_group::Output_data_group): Add flags and
3508 input_shndxes parameters. Remove contents parameter. Change
3510 (Output_data_group::do_write): Change input_sections_ to
3512 * output.h (class Output_data_group): Update constructor
3513 declaration. Rename input_sections_ to input_shndxes_.
3514 * testsuite/many_sections_test.cc: Add template.
3516 2008-04-30 Cary Coutant <ccoutant@google.com>
3518 * target-reloc.h (relocate_section): Fix dead-pointer bug.
3520 * layout.cc (Layout::include_section): Refactored check for debug
3522 (Layout::add_comdat): Add new parameters. Change type
3523 of signature parameter. Add object and shndx to signatures table.
3524 (Layout::find_kept_object): New function.
3525 * layout.h: Include <cstring>.
3526 (Layout::is_debug_info_section): New function.
3527 (Layout::add_comdat): Add new parameters.
3528 (Layout::find_kept_object): New function.
3529 (Layout::Kept_section): New struct.
3530 (Layout::Signatures): Change type of map range.
3531 * object.cc (Relobj::output_section_address): New function.
3532 (Sized_relobj::include_section_group): Add new parameters. Change
3533 calls to Layout::add_comdat. Change to build table of kept comdat
3534 groups and table mapping discarded sections to kept sections.
3535 (Sized_relobj::include_linkonce_section): Likewise. Add new parameter.
3536 (Sized_relobj::do_layout): Change calls to include_section_group and
3537 include_linkonce_section.
3538 (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
3539 value to zero when section is discarded.
3540 (Sized_relobj::map_to_kept_section): New function.
3541 * object.h (Relobj::output_section_address): New function.
3542 (Relobj::Comdat_group): New type.
3543 (Relobj::find_comdat_group): New function.
3544 (Relobj::Comdat_group_table): New type.
3545 (Relobj::Kept_comdat_section): New type.
3546 (Relobj::Kept_comdat_section_table): New type.
3547 (Relobj::add_comdat_group): New function.
3548 (Relobj::set_kept_comdat_section): New function.
3549 (Relobj::get_kept_comdat_section): New function.
3550 (Relobj::comdat_groups_): New field.
3551 (Relobj::kept_comdat_sections_): New field.
3552 (Symbol_value::input_value): Update comment.
3553 (Sized_relobj::map_to_kept_section) New function.
3554 (Sized_relobj::include_linkonce_section): Add new parameter.
3555 * target-reloc.h (Comdat_behavior): New type.
3556 (get_comdat_behavior): New function.
3557 (relocate_section): Add code to map a discarded section to the
3558 corresponding kept section when applying a relocation.
3560 2008-04-30 Craig Silverstein <csilvers@google.com>
3562 * dwarf_reader.cc (next_generation_count): New static var.
3563 (Addr2line_cache_entry): New struct.
3564 (addr2line_cache): New static var.
3565 (Dwarf_line_info::one_addr2line): Added caching.
3566 (Dwarf_line_info::clear_addr2line_cache): New function.
3567 * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
3568 cache-size parameter.
3569 (Dwarf_line_info::one_addr2line_cache): New function.
3570 * symtab.cc (Symbol_table::detect_odr_violations): Pass
3571 new cache-size argument to one_addr2line(), and clear cache.
3573 2008-04-28 Cary Coutant <ccoutant@google.com>
3575 * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
3576 R_386_PC8 relocations.
3578 2008-04-23 Ian Lance Taylor <iant@google.com>
3580 * object.cc (Sized_relobj::include_section_group): Check for
3581 invalid section group.
3583 * object.cc (make_elf_object): Correct test for 64-bit ELF file
3586 * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
3587 than read for file header.
3588 * archive.cc (Archive::include_member): Likewise.
3590 2008-04-23 Paolo Bonzini <bonzini@gnu.org>
3592 * aclocal.m4: Regenerate.
3593 * configure: Regenerate.
3595 2008-04-19 Ian Lance Taylor <iant@google.com>
3597 * version.cc (version_string): Bump to 1.6.
3599 * testsuite/Makefile.am (many_sections_r_test): New target.
3600 (many_sections_r_test_SOURCES): Remove.
3601 (many_sections_r_test_DEPENDENCIES): Remove.
3602 (many_sections_r_test_LDFLAGS): Remove.
3603 (many_sections_r_test_LDADD): Remove.
3605 * object.cc (Sized_relobj::do_add_symbols): Always pass
3606 local_symbol_count_ to add_from_relobj.
3608 * testsuite/Makefile.am (many_sections_check.h): Only check one in
3609 every thousand variables.
3610 * testsuite/Makefile.in: Rebuild.
3612 * object.cc (Xindex::initialize_symtab_xindex): New function.
3613 (Xindex::read_symtab_xindex): New function.
3614 (Xindex::sym_xindex_to_shndx): New function.
3615 (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
3617 (Sized_relobj::do_initialize_xindex): New function.
3618 (Sized_relobj::do_read_symbols): Adjust section links.
3619 (Sized_relobj::symbol_section_and_value): Add is_ordinary
3620 parameter. Change all callers.
3621 (Sized_relobj::include_section_group): Adjust section links and
3622 symbol section indexes.
3623 (Sized_relobj::do_layout): Adjust section links.
3624 (Sized_relobj::do_count_local_symbols): Adjust section links and
3625 symbol section indexes.
3626 (Sized_relobj::do_finalize_local_symbols): Distinguish between
3627 ordinary and special symbols.
3628 (Sized_relobj::write_local_symbols): Add symtab_xindex and
3629 dynsym_xindex parameters. Change all callers. Adjust section
3630 links. Use SHN_XINDEX when needed.
3631 (Sized_relobj::get_symbol_location_info): Adjust section links.
3632 Don't get fooled by special symbols.
3633 * object.h (class Xindex): Define.
3634 (class Object): Add xindex_ parameter. Declare virtual functoin
3635 do_initialize_xindex.
3636 (Object::adjust_sym_shndx): New function.
3637 (Object::set_xindex): New protected function.
3638 (class Symbol_value): Add is_ordinary_shndx_ field.
3639 (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
3640 (Symbol_value::value): Assert ordinary section.
3641 (Symbol_value::initialize_input_to_output_map): Likewise.
3642 (Symbol_value::set_input_shndx): Add is_ordinary parameter.
3644 (Symbol_value::input_shndx): Add is_ordinary parameter. Change
3646 (class Sized_relobj): Update declarations.
3647 (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
3648 parameter. Change all callers.
3649 (Sized_relobj::adjust_shndx): New function.
3650 * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
3652 (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
3653 parameter. Change all callers. Pick up SHT_DYNSYM_SHNDX section
3654 for SHT_DYNSYM section if available. Set dynsym_shndx_ field.
3655 (Sized_dynobj::read_dynsym_section): Adjust section links.
3656 (Sized_dynobj::read_dynamic): Likewise.
3657 (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field. Adjust
3659 (Sized_dynobj::do_initialize_xindex): New function.
3660 * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field. Declare
3661 do_initialize_xindex.
3662 (Sized_dynobj::adjust_shndx): New function.
3663 * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
3664 dynsym_xindex_ fields.
3665 (Layout::finalize): Add a call to set_section_indexes before
3666 creating the symtab sections.
3667 (Layout::set_section_indexes): Don't do anything if the section
3668 already has a section index.
3669 (Layout::create_symtab_sections): Add shnum parameter. Change
3670 caller. Create .symtab_shndx section if needed.
3671 (Layout::create_shdrs): Add shstrtab_section parameter. Change
3673 (Layout::allocated_output_section_count): New function.
3674 (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
3676 * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
3677 fields. Update declarations.
3678 (Layout::symtab_xindex): New function.
3679 (Layout::dynsym_xindex): New function.
3680 (class Write_symbols_task): Add layout_ field.
3681 (Write_symbols_task::Write_symbols_task): Add layout parameter.
3683 * output.cc (Output_section_headers::Output_section_headers): Add
3684 shstrtab_section parameter. Change all callers.
3685 (Output_section_headers::do_sized_write): Store overflow values
3686 for section count and section string table section index in
3687 section header zero.
3688 (Output_file_header::do_sized_write): Check for overflow of
3689 section count and section string table section index.
3690 (Output_symtab_xindex::do_write): New function.
3691 (Output_symtab_xindex::endian_do_write): New function.
3692 * output.h (class Output_section_headers): Add shstrtab_section_.
3693 Update declarations.
3694 (class Output_symtab_xindex): Define.
3695 (Output_section::has_out_shndx): New function.
3696 * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
3698 (Symbol::init_base): Add st_shndx and is_ordinary parameters.
3700 (Sized_symbol::init): Likewise.
3701 (Symbol::output_section): Check for ordinary symbol.
3702 (Symbol_table::add_from_object): Remove orig_sym parameter. Add
3703 st_shndx, is_ordinary, and orig_st_shndx parameters. Change all
3705 (Symbol_table::add_from_relobj): Add symndx_offset parameter.
3706 Change all callers. Simplify handling of symbols from sections
3707 not included in the link.
3708 (Symbol_table::add_from_dynobj): Handle ordinary symbol
3710 (Weak_alias_sorter::operator()): Assert that symbols are
3712 (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
3714 (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
3715 parameters. Change all callers.
3716 (Symbol_table::sized_write_globals): Likewise. Handle ordinary
3717 symbol distinction. Use SHN_XINDEX when needed.
3718 (Symbol_table::write_section_symbol): Add symtab_xindex
3719 parameter. Change all callers.
3720 (Symbol_table::sized_write_section_symbol): Likewise. Use
3721 SHN_XINDEX when needed.
3722 * symtab.h (class Symbol): Add is_ordinary_shndx_ field. Update
3724 (Symbol::shndx): Add is_ordinary parameter. Change all callers.
3725 (Symbol::is_defined): Check is_ordinary.
3726 (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
3727 (Symbol::is_absolute, Symbol::is_common): Likewise.
3728 (class Sized_symbol): Update declarations.
3729 (class Symbol_table): Update declarations.
3730 * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
3731 parameters. Change all callers.
3732 (Sized_symbol::override): Likewise.
3733 (Symbol_table::override): Likewise.
3734 (symbol_to_bits): Add is_ordinary parameter. Change all callers.
3735 (Symbol_table::resolve): Remove orig_sym parameter. Add st_shndx,
3736 is_ordinary, and orig_st_shndx parameters. Change all callers.
3737 * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
3738 to be in an ordinary section.
3739 * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
3740 object and is_ordinary parameters. Change all callers.
3741 (Sized_dwarf_line_info::read_relocs): Add object parameter.
3742 Change all callers. Don't add undefined or non-ordinary symbols
3744 (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
3746 * dwarf_reader.h (class Sized_dwarf_line_info): Update
3748 * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
3749 * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
3750 (Sized_relobj::relocate_sections): Likewise.
3751 * target-reloc.h (scan_relocs): Adjust section symbol index.
3752 (scan_relocatable_relocs): Likewise.
3753 * i386.cc (Scan::local): Check for ordinary symbols.
3754 * sparc.cc (Scan::local): Likewise.
3755 * x86_64.cc (Scan::local): Likewise.
3756 * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
3757 to symbol_section_and_value.
3758 * testsuite/many_sections_test.cc: New file.
3759 * testsuite/Makefile.am (BUILT_SOURCES): Define.
3760 (check_PROGRAMS): Add many_sections_test.
3761 (many_sections_test_SOURCES): Define.
3762 (many_sections_test_DEPENDENCIES): Define.
3763 (many_sections_test_LDFLAGS): Define.
3764 (BUILT_SOURCES): Add many_sections_define.h.
3765 (many_sections_define.h): New target.
3766 (BUILT_SOURCES): Add many_sections_check.h.
3767 (many_sections_check.h): New target.
3768 (check_PROGRAMS): Add many_sections_r_test.
3769 (many_sections_r_test_SOURCES): Define.
3770 (many_sections_r_test_DEPENDENCIES): Define.
3771 (many_sections_r_test_LDFLAGS): Define.
3772 (many_sections_r_test_LDADD): Define.
3773 (many_sections_r_test.o): New target.
3774 * testsuite/Makefile.in: Rebuild.
3776 2008-04-17 Cary Coutant <ccoutant@google.com>
3778 * errors.cc (Errors::info): New function.
3779 (gold_info): New function.
3780 * errors.h (Errors::info): New function.
3781 * gold.h (gold_info): New function.
3782 * object.cc (Input_objects::add_object): Print trace output.
3783 * options.cc (options::parse_set): New function.
3784 (General_options::parse_wrap): Deleted.
3785 (General_options::General_options): Deleted initializer.
3786 * options.h (options::String_set): New typedef.
3787 (options::parse_set): New function.
3788 (DEFINE_set): New macro.
3789 (General_options::wrap): Changed to use DEFINE_set. Changed
3790 callers of any_wrap_symbols and is_wrap_symbol.
3791 (General_options::trace, General_options::trace_symbol):
3793 (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
3794 (General_options::wrap_symbols_): Deleted.
3795 * symtab.cc (Symbol_table::add_from_object): Print trace output.
3797 2008-04-17 David S. Miller <davem@davemloft.net>
3799 * options.cc (General_options::parse_V): New function.
3800 * options.h: Add entries for -V and -Qy.
3802 2008-04-17 Ian Lance Taylor <iant@google.com>
3804 * common.cc (Symbol_table::allocate_commons): Remove options
3805 parameter. Change caller.
3806 (Symbol_table::do_allocate_commons): Remove options parameter.
3807 Change caller. Just call do_allocate_commons_list twice.
3808 (Symbol_table::do_allocate_commons_list): New function, broken out
3809 of do_allocate_commons.
3810 * common.h (class Allocate_commons_task): Remove options_ field.
3812 * symtab.cc (Symbol_table::Symbol_table): Initialize
3814 (Symbol_table::add_from_object): Put TLS common symbols on
3816 (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
3817 which are IN_OUTPUT_DATA.
3818 * symtab.h (class Symbol_table): Add tls_commons_ field. Update
3819 allocate_commons and do_allocate_commons declarations. Declare
3820 do_allocate_commons_list.
3821 * gold.cc (queue_middle_tasks): Update creation of
3822 Allocate_commons_task to not pass options.
3823 * testsuite/Makefile.am (INCLUDES): Add -I.. .
3824 (TLS_TEST_C_FLAGS): New variable.
3825 (tls_test_c_pic.o): New target.
3826 (tls_test_shared.so): Link in tls_test_c_pic.o.
3827 (tls_test_c_pic_ie.o): New target.
3828 (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
3829 (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
3830 (tls_test_c.o): New target.
3831 (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
3832 (tls_pic_test_LDADD): Likewise.
3833 (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
3834 (tls_shared_gd_to_ie_test_LDADD): Likewise.
3835 (tls_test_c_gnu2.o): New target.
3836 (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
3838 (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
3839 (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
3840 (tls_test_shared_nonpic.so): Link in tls_test_c.o.
3841 * testsuite/tls_test.cc: Include "config.h".
3842 (t_last): Call t11_last.
3843 * testsuite/tls_test.h (t11, t11_last): Declare.
3844 * testsuite/tls_test_c.c: New file.
3845 * testsuite/tls_test_main.cc (thread_routine): Call t11.
3846 * configure.ac: Check for OpenMP support.
3847 * configure, config.in, Makefile.in: Rebuild.
3848 * testsuite/Makefile.in: Rebuild.
3850 2008-04-16 Cary Coutant <ccoutant@google.com>
3852 * i386.cc (Target_i386::define_tls_base_symbol): New function.
3853 (Target_i386::tls_base_symbol_defined_): New field.
3854 (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
3855 (Target_i386::Scan::global): Likewise.
3856 * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
3857 * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
3858 (Target_x86_64::tls_base_symbol_defined_): New field.
3859 (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
3860 (Target_x86_64::Scan::global): Likewise.
3862 2008-04-16 Cary Coutant <ccoutant@google.com>
3864 * symtab.h (Symbol::is_strong_undefined): Removed unused function.
3865 (Symbol::needs_plt_entry): Allow weak undefined symbols.
3866 (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
3867 building shared libraries.
3868 * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
3869 (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
3870 (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
3871 * testsuite/Makefile.in: Rebuild.
3872 * testsuite/weak_undef.h: New file.
3873 * testsuite/weak_undef_file1.cc: Add extra test cases.
3874 * testsuite/weak_undef_file2.cc: Likewise.
3875 * testsuite/weak_undef_test.cc: Likewise.
3877 2008-04-16 David S. Miller <davem@davemloft.net>
3879 * sparc.cc (Target_sparc::Scan): Change from struct to class.
3880 Add issued_non_pic_error_ field. Declare check_non_pic.
3881 (Target_sparc::Scan::check_non_pic): New function.
3882 (Target_sparc::Scan::local): Call check_non_pic as appropriate.
3883 (Target_sparc::Scan::global): Likewise.
3885 * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
3886 * configure: Rebuild.
3888 * options.h (DEFINE_enable): New macro.
3889 (new_dtags): New enable option.
3890 (initfirst, interpose, loadfltr, nodefaultlib,
3891 nodelete, nodlopen, nodump): New -z options.
3892 * layout.cc (Layout:finish_dynamic_section): If new
3893 dtags enabled, emit DT_RUNPATH. Also, emit a
3894 DT_FLAGS_1 containing any specified -z flags.
3896 2008-04-16 Ian Lance Taylor <iant@google.com>
3898 * copy-relocs.cc: New file.
3899 * copy-relocs.h: New file.
3900 * reloc.cc: Remove Copy_relocs code.
3901 * reloc.h: Likewise.
3902 * reloc-types.h (struct Reloc_types) [both versions]: Add
3903 get_reloc_addend_noerror.
3904 * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
3905 variants of add_global which take an addend which must be zero.
3906 * i386.cc: Include "copy-relocs.h".
3907 (class Target_i386): Change type of copy_relocs_ to variable,
3909 (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
3911 (Target_i386::do_finalize_sections): Change handling of
3913 * sparc.cc: Include "copy-relocs.h".
3914 (class Target_sparc): Change type of copy_relocs_ to variable,
3916 (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
3918 (Target_sparc::do_finalize_sections): Change handling of
3920 * x86_64.cc: Include "copy-relocs.h".
3921 (class Target_x86_64): Change type of copy_relocs_ to variable,
3923 (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
3924 class. Change all callers.
3925 (Target_x86_64::do_finalize_sections): Change handling of
3927 * Makefile.am (CCFILES): Add copy-relocs.cc.
3928 (HFILES): Add copy-relocs.h.
3930 * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
3932 * testsuite/script_test_4.sh: Permit leading zeroes.
3934 2008-04-15 Ian Lance Taylor <iant@google.com>
3936 * script-sections.cc (Script_sections::create_segments): Use
3937 header_size_adjustment even when there is enough room for the
3939 * testsuite/script_test_4.sh: New file.
3940 * testsuite/script_test_4.t: New file.
3941 * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
3942 (check_DATA): Add script_test_4.stdout.
3943 (MOSTLYCLEANFILES): Likewise.
3944 (script_test_4): New target.
3945 (script_test_4.stdout): New target.
3946 * testsuite/Makefile.in: Rebuild.
3948 * sparc.cc: Add definitions for Output_data_plt_sparc class
3951 2008-04-14 David S. Miller <davem@davemloft.net>
3953 * sparc.cc: New file.
3954 * Makefile.am (TARGETSOURCES): Add sparc.cc
3955 (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
3956 * configure.tgt: Document targ_extra_size and
3957 targ_extra_big_endian. Add entries for sparc-* and
3959 * configure.ac: Handle targ_extra_size and
3960 targ_extra_big_endian.
3961 * Makefile.in: Rebuild.
3962 * configure: Likewise.
3963 * po/POTFILES.in: Likewise.
3964 * po/gold.pot: Likewise.
3966 2008-04-14 Ian Lance Taylor <iant@google.com>
3968 * layout.cc (Layout::Layout): Initialize sections_are_attached_.
3969 (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
3970 in the name/type/flags to section mapping. Don't call
3971 allocate_output_section.
3972 (Layout::choose_output_section): Change parameter from adjust_name
3973 to is_input_section. Don't permit input sections after sections
3974 are attached to segments. Don't call allocate_output_section.
3975 (Layout::layout_eh_frame): Call update_flags_for_input_section,
3976 not write_enable_output_section.
3977 (Layout::make_output_section): Don't push to
3978 unattached_section_list_ nor call attach_to_segment. Call
3979 attach_section_to_segment if sections are attached.
3980 (Layout::attach_sections_to_segments): New function.
3981 (Layout::attach_section_to_segment): New function.
3982 (Layout::attach_allocated_section_to_segment): Rename from
3983 attach_to_segment. Remove flags parameter.
3984 (Layout::allocate_output_section): Remove function.
3985 (Layout::write_enable_output_section): Remove function.
3986 * layout.h (class Layout): Update for above changes. Add new
3987 field sections_are_attached_.
3988 * output.h (Output_section::update_flags_for_input_section): New
3990 * output.cc (Output_section::add_input_section): Call
3991 update_flags_for_input_section.
3992 * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
3994 2008-04-11 Cary Coutant <ccoutant@google.com>
3996 * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
3997 thought unnecessary.
3998 * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
4000 2008-04-11 Ian Lance Taylor <iant@google.com>
4002 * output.h (class Output_section_data): Remove inline definition
4004 * output.cc (Output_section_data::set_addralign): New function.
4006 2008-04-11 Cary Coutant <ccoutant@google.com>
4008 Add support for TLS descriptors for i386 and x86_64.
4009 * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
4010 (Target_i386::Relocate::tls_desc_gd_to_le): New function.
4011 (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
4013 (Target_i386::got_mod_index_entry): Remove unnecessary code.
4014 (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
4015 R_386_TLS_DESC_CALL relocations. Fix problem with initial-exec
4017 (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
4018 Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
4019 Fix problem with initial-exec relocations.
4020 (Target_i386::Relocate::relocate_tls): Likewise.
4021 (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
4023 * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
4024 support for section-plus-offset dynamic table entries.
4025 * output.h (Output_data_dynamic::add_section_plus_offset): New function.
4026 (Output_data_dynamic::Dynamic_entry): Add support for
4027 section-plus-offset dynamic table entries.
4028 (Output_data_dynamic::Classification): Likewise.
4029 (Output_data_dynamic::classification_): Renamed offset_.
4030 * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
4031 (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
4032 (Target_x86_64::make_plt_section): New function.
4033 (Target_x86_64::reserve_tlsdesc_entries): New function.
4034 (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
4035 (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
4036 (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
4037 (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
4038 (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
4039 (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
4040 (Output_data_plt_x86_64::set_final_data_size): Move out of line;
4041 add extra PLT entry for TLS descriptors.
4042 (Output_data_plt_x86_64::got_): New field.
4043 (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
4044 (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
4046 (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
4048 (Target_x86_64::make_plt_entry): Factor out make_plt_section.
4049 (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
4050 (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
4051 R_386_TLS_DESC_CALL relocations.
4052 (Target_x86_64::Scan::global): Likewise.
4053 (Target_x86_64::do_finalize_sections): Add dynamic table entries
4054 for TLS descriptors.
4055 (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
4056 Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
4057 (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
4058 GD-to-IE relaxation.
4059 * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
4060 and TLS_DESCRIPTORS.
4061 * Makefile.in: Rebuild.
4062 * configure: Rebuild.
4063 * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
4064 (tls_test_shared2.so): New target.
4065 (tls_shared_gd_to_ie_test_SOURCES): New variable.
4066 (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
4067 (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
4068 (tls_shared_gd_to_ie_test_LDADD): New variable.
4069 (tls_shared_gnu2_gd_to_ie_test): New target.
4070 (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
4072 (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
4073 (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
4074 (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
4075 (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
4076 (tls_shared_gnu2_test): New target.
4077 (tls_test_gnu2_shared.so): New target.
4078 (tls_shared_gnu2_test_SOURCES): New variable.
4079 (tls_shared_gnu2_test_DEPENDENCIES): New variable.
4080 (tls_shared_gnu2_test_LDFLAGS): New variable.
4081 (tls_shared_gnu2_test_LDADD): New variable.
4082 * testsuite/Makefile.in: Rebuild.
4083 * testsuite/Makefile.
4085 2008-04-11 Ian Lance Taylor <iant@google.com>
4087 * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
4089 * testsuite/Makefile.in: Rebuild.
4091 * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
4093 * testsuite/script_test_2.cc (main): Adjust test.
4095 2008-04-11 David S. Miller <davem@davemloft.net>
4096 Ian Lance Taylor <iant@google.com>
4098 * options.h (General_options): Add entries for '-Y' and
4100 * options.cc (General_options:finalize): If -Y was used, add those
4101 entries to the library path instead of the default "/lib" and
4104 2008-04-11 David S. Miller <davem@davemloft.net>
4106 * testsuite/justsyms.t: Start at 0x100.
4107 * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
4108 * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
4110 * testsuite/script_test_2.cc: Adjust string and section length
4113 2008-04-09 Ian Lance Taylor <iant@google.com>
4116 * script-sections.cc (Sections_element::allocate_to_segment): Add
4118 (Output_section_definition::allocate_to_segment): Likewise.
4119 (Orphan_output_section::allocate_to_segment): Likewise.
4120 (Script_sections::attach_sections_using_phdrs_clause): Don't
4121 propagate non-PT_LOAD segments to orphan sections.
4122 * testsuite/Makefile.am (script_test_3.stdout): Generate using
4123 readelf rather than objdump.
4124 * testsuite/script_test_3.sh: Adjust accordingly. Test that
4125 .interp section and PT_INTERP segment are the same size.
4126 * testsuite/Makefile.in: Rebuild.
4128 * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
4129 aliases for symbols defined in the same object.
4130 * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
4131 (weak_alias_test_SOURCES): New variable.
4132 (weak_alias_test_DEPENDENCIES): New variable.
4133 (weak_alias_test_LDFLAGS): New variable.
4134 (weak_alias_test_LDADD): New variable.
4135 (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
4136 (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
4137 (weak_alias_test_3.o): New target.
4138 (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
4139 * testsuite/weak_alias_test_main.cc: New file.
4140 * testsuite/weak_alias_test_1.cc: New file.
4141 * testsuite/weak_alias_test_2.cc: New file.
4142 * testsuite/weak_alias_test_3.cc: New file.
4144 2008-04-08 Ian Lance Taylor <iant@google.com>
4146 * options.h (class General_options): Add --noinhibit-exec option.
4147 * main.cc (main): Check --noinhibit-exec.
4149 * options.h (class General_options): Define --wrap as a special
4150 option. Add wrap_symbols_ field.
4151 (General_options::any_wrap_symbols): New function.
4152 (General_options::is_wrap_symbol): New function.
4153 * options.cc (General_options::parse_wrap): New function.
4154 (General_options::General_options): Initialize wrap_symbols_.
4155 * symtab.cc (Symbol_table::wrap_symbol): New function.
4156 (Symbol_table::add_from_object): Handle --wrap.
4157 * symtab.h (class Symbol_table): Declare wrap_symbol.
4158 * target.h (Target::wrap_char): New function.
4159 (Target::Target_info): Add wrap_char field.
4160 * i386.cc (Target_i386::i386_info): Initialize wrap_char.
4161 * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
4162 * testsuite/testfile.cc (Target_test::test_target_info):
4165 * errors.cc (Errors::undefined_symbol): Mention symbol version if
4168 * layout.h (class Layout): Add added_eh_frame_data_ field.
4169 * layout.cc (Layout::Layout): Initialize new field.
4170 (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
4171 output section until we find a section we merged successfully.
4172 * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
4173 that the size be non-zero.
4175 * merge.cc (Object_merge_map::get_output_offset): Remove inline
4178 2008-04-08 Craig Silverstein <csilvers@google.com>
4180 * configure.ac: Export new conditional variable HAVE_ZLIB.
4181 * testsuite/Makefile.am (flagstest_o_specialfile): Condition
4183 (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
4184 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
4186 2008-04-07 Ian Lance Taylor <iant@google.com>
4188 * version.cc (version_string): Set to "1.5".
4190 * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
4191 Add issued_non_pic_error_ field. Declare check_non_pic.
4192 (Target_x86_64::Scan::check_non_pic): New function.
4193 (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
4194 (Target_x86_64::Scan::global): Likewise.
4196 * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
4197 addend parameter. Change caller. Handle merge sections.
4198 (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
4199 Address to Addend. Don't add in the result of
4200 local_section_offset, pass down the addend and use the returned
4202 * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
4203 Update declarations of local_section_offset and symbol_value.
4204 * testsuite/two_file_test_1.cc (t18): New function.
4205 * testsuite/two_file_test_2.cc (f18): New function.
4206 * testsuite/two_file_test_main.cc (main): Call t18.
4207 * testsuite/two_file_test.h (t18, f18): Declare.
4209 * configure.ac: Don't test for objdump, c++filt, or readelf.
4210 * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
4212 (TEST_READELF): New variable.
4213 (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
4214 (check_PROGRAMS): Add two_file_strip_test.
4215 (two_file_strip_test): New target.
4216 (check_PROGRAMS): Add two_file_same_shared_strip_test.
4217 (two_file_same_shared_strip_test_SOURCES): New variable.
4218 (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
4219 (two_file_same_shared_strip_test_LDFLAGS): New variable.
4220 (two_file_same_shared_strip_test_LDADD): New variable.
4221 (two_file_shared_strip.so): New target.
4222 (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
4223 (ver_test_5.syms, ver_test_7.syms): Likewise.
4224 (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
4225 (strip_test_3.stdout): Use TEST_OBJDUMP.
4226 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
4228 2008-04-04 Cary Coutant <ccoutant@google.com>
4230 * symtab.h (Symbol::is_weak_undefined): New function.
4231 (Symbol::is_strong_undefined): New function.
4232 (Symbol::is_absolute): New function.
4233 (Symbol::needs_plt_entry): Exclude weak undefined symbols.
4234 (Symbol::needs_dynamic_reloc): Exclude weak undefined and
4236 * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
4237 (weak_undef_test): New target.
4238 * testsuite/Makefile.in: Rebuild.
4239 * testsuite/weak_undef_file1.cc: New file.
4240 * testsuite/weak_undef_file2.cc: New file.
4241 * testsuite/weak_undef_test.cc: New file.
4243 2008-04-03 Craig Silverstein <csilvers@google.com>
4245 * compressed_output.h (class Output_compressed_section): Use
4247 * compressed_output.cc (zlib_compress): Use unsigned buffers,
4249 (zlib_compressed_suffix): Removed.
4250 (Output_compressed_section::set_final_data_size): Use unsigned
4252 * testsuite/Makefile.am (flagstest_compress_debug_sections):
4253 Fix linker invocation.
4254 (flagstest_o_specialfile_and_compress_debug_sections):
4256 * testsuite/Makefile.in: Regenerated.
4258 2008-04-02 David S. Miller <davem@davemloft.net>
4260 * dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
4261 Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
4263 2008-04-02 Craig Silverstein <csilvers@google.com>
4267 2008-04-02 Ian Lance Taylor <iant@google.com>
4269 * fileread.cc (File_read::find_view): Add byteshift and vshifted
4270 parameters. Update for new key type to views_. Change all
4272 (File_read::read): Adjust for byteshift in returned view.
4273 (File_read::add_view): New function, broken out of
4275 (File_read::make_view): New function, broken out of
4277 (File_read::find_or_make_view): Add offset and aligned
4278 parameters. Rewrite accordingly. Change all callers.
4279 (File_read::get_view): Add offset and aligned parameters. Adjust
4280 for byteshift in return value.
4281 (File_read::get_lasting_view): Likewise.
4282 * fileread.h (class File_read): Update declarations.
4283 (class File_read::View): Add byteshift_ field. Add byteshift to
4284 constructor. Add byteshift method.
4285 * archive.h (Archive::clear_uncached_views): New function.
4286 (Archive::get_view): Add aligned parameter. Change all callers.
4287 * object.h (Object::get_view): Add aligned parameter. Change all
4289 (Object::get_lasting_view): Likewise.
4291 * fileread.cc (File_read::release): Don't call clear_views if
4292 there are multiple objects.
4293 * fileread.h (File_read::clear_uncached_views): New function.
4294 * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
4297 2008-03-31 Cary Coutant <ccoutant@google.com>
4299 Add thin archive support.
4300 * archive.cc (Archive::armagt): New const.
4301 (Archive::setup): Remove task parameter and calls to unlock.
4302 (Archive::unlock_nested_archives): New function.
4303 (Archive::read_header): Add nested_off parameter. Change
4305 (Archive::interpret_header): Likewise.
4306 (Archive::include_all_members): Change to handle thin
4308 (Archive::include_member): Likewise.
4309 * archive.h (Archive::Archive): Add new parameters and
4311 (Archive::armagt): New const.
4312 (Archive::setup): Remove task parameter.
4313 (Archive::unlock_nested_archives): New function.
4314 (Archive::read_header): Add nested_off parameter.
4315 (Archive::interpret_header): Likewise.
4316 (Archive::Nested_archive_table): New typedef.
4317 (Archive::is_thin_archive_): New field.
4318 (Archive::nested_archives_): New field.
4319 (Archive::options_): New field.
4320 (Archive::dirpath_): New field.
4321 (Archive::task_): New field.
4322 * readsyms.cc (Read_symbols::do_read_symbols): Add check
4323 for thin archives. Pass additional parameters to
4324 Archive::Archive. Unlock the archive file after calling
4327 2008-03-29 Ian Lance Taylor <iant@google.com>
4329 * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
4330 version symbol to be local.
4331 * testsuite/ver_test_4.sh: New file.
4332 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
4333 (check_DATA): Add ver_test_4.syms.
4334 (ver_test_4.syms): New target.
4335 * testsuite/Makefile.in: Rebuild.
4338 (Output_section::Input_section_sort_entry::has_priority): New
4340 (Output_section::Input_section_sort_entry::match_file_name): New
4342 (Output_section::Input_section_sort_entry::match_section_name):
4344 (Output_section::Input_section_sort_entry::match_section_name_prefix):
4346 (Output_section::Input_section_sort_entry::match_section_file):
4348 (Output_section::Input_section_sort_compare::operator()): Rewrite
4349 using new Input_section_sort_entry functions. Sort crtbegin and
4350 crtend first. Sort sections with no priority before sections with
4352 * testsuite/initpri1.c (d3): Check j != 4.
4353 (cd5): New constructor/destructor function.
4354 (main): Check j != 2.
4356 * symtab.cc (Symbol_table::add_from_object): If we don't use the
4357 new symbol when resolving, don't call set_is_default.
4358 * testsuite/ver_test_7.cc: New file.
4359 * testsuite/ver_test_7.sh: New file.
4360 * testsuite/Makefile.am (ver_test_7.so): New target.
4361 (ver_test_7.o): New target.
4362 (check_SCRIPTS): Add ver_test_7.sh.
4363 (check_DATA): Add ver_test_7.syms.
4364 (ver_test_7.syms): New target.
4366 2008-03-28 Ian Lance Taylor <iant@google.com>
4368 * layout.cc (Layout::layout): If we see an input section with a
4369 name that needs sorting, set the must_sort flag for the output
4371 (Layout::make_output_section): If the name of the output section
4372 indicates that it might require sorting, set the may_sort flag.
4373 * output.h (Output_section::may_sort_attached_input_sections): New
4375 (Output_section::set_may_sort_attached_input_sections): New
4377 (Output_section::must_sort_attached_input_sections): New
4379 (Output_section::set_must_sort_attached_input_sections): New
4381 (class Output_section): Declare Input_section_sort_entry. Define
4382 Input_section_sort_compare. Declare
4383 sort_attached_input_sections. Add new fields:
4384 may_sort_attached_input_sections_,
4385 must_sort_attached_input_sections_,
4386 attached_input_sections_are_sorted_.
4387 * output.cc (Output_section::Output_section): Initialize new
4389 (Output_section::add_input_section): Add an entry to
4390 input_sections_ if may_sort or must_sort are true.
4391 (Output_section::set_final_data_size): Call
4392 sort_attached_input_sections if necessary.
4393 (Output_section::Input_section_sort_entry): Define new class.
4394 (Output_section::Input_section_sort_compare::operator()): New
4396 (Output_section::sort_attached_input_sections): New function.
4397 * configure.ac: Check whether the compiler supports constructor
4398 priorities. Define a CONSTRUCTOR_PRIORITY automake conditional.
4399 * testsuite/initpri1.c: New file.
4400 * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
4401 CONSTRUCTOR_PRIORITY.
4402 (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
4403 (initpri1_LDFLAGS): New variable.
4404 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
4406 2008-03-27 Ian Lance Taylor <iant@google.com>
4408 * common.cc (Sort_commons::operator): Correct sorting algorithm.
4409 * testsuite/common_test_1.c: New file.
4410 * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
4411 (common_test_1_SOURCES): New variable.
4412 (common_test_1_DEPENDENCIES): New variable.
4413 (common_test_1_LDFLAGS): New variable.
4415 * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
4416 and commons_ correctly when NAME/VERSION does not override
4418 * testsuite/ver_test_6.c: New file.
4419 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
4420 (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
4421 (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
4423 2008-03-26 Ian Lance Taylor <iant@google.com>
4425 * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
4426 of an undefined symbol from a version script.
4427 * testsuite/Makefile.am (ver_test_5.so): New target.
4428 (ver_test_5.o): New target.
4429 (check_SCRIPTS): Add ver_test_5.sh.
4430 (check_DATA): Add ver_test_5.syms.
4431 (ver_test_5.syms): New target.
4432 * testsuite/ver_test_5.cc: New file.
4433 * testsuite/ver_test_5.script: New file.
4434 * testsuite/ver_test_5.sh: New file.
4435 * Makefile.in, testsuite/Makefile.in: Rebuild.
4438 Fix problems building gold with gcc 4.3.0.
4439 * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
4440 (gold_error_at_location, gold_warning_at_location): Use it.
4441 * configure.ac: Check whether we can compile and use a template
4442 function with a printf attribute.
4443 * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
4444 when jumping over bytes.
4445 * object.cc: Instantiate Object::read_section_data.
4446 * debug.h: Include <cstring>
4447 * dwarf_reader.cc: Include <algorithm>
4448 * main.cc: Include <cstring>.
4449 * options.cc: Include <cstring>.
4450 * output.cc: Include <cstring>.
4451 * script.cc: Include <cstring>.
4452 * script.h: Include <string>.
4453 * symtab.cc: Include <cstring> and <algorithm>.
4454 * target-select.cc: Include <cstring>.
4455 * version.cc: Include <string>.
4456 * testsuite/testmain.cc: Include <cstdlib>.
4457 * configure, config.in: Rebuild.
4459 2008-03-25 Ian Lance Taylor <iant@google.com>
4461 * options.cc: Include "../bfd/bfdver.h".
4462 (options::help): Print bug reporting address.
4464 * version.cc (print_version): Adjust output for current value of
4469 * options.cc (options::help): Print list of supported targets.
4470 * target-select.h: Include <vector>.
4471 (class Target_selector): Make machine_, size_, and is_big_endian_
4472 fields const. Add bfd_name_ and instantiated_target_ fields.
4473 (Target_selector::Target_selector): Add bfd_name parameter.
4474 (Target_selector::recognize): Make non-virtual, call
4476 (Target_selector::recognize_by_name): Make non-virtual, call
4477 do_recognize_by_name.
4478 (Target_selector::supported_names): New function.
4479 (Target_selector::bfd_name): New function.
4480 (Target_selector::do_instantiate_target): New pure virtual
4482 (Target_selector::do_recognize): New virtual function.
4483 (Target_selector::do_recognize_by_name): New virtual function.
4484 (Target_selector::instantiate_target): New private function.
4485 (supported_target_names): Declare.
4486 * target-select.cc (Target_selector::Target_selector): Update for
4487 new parameter and fields.
4488 (select_target_by_name): Check that the name matches before
4489 calling recognize_by_name.
4490 (supported_target_names): New function.
4491 * i386.cc (class Target_selector_i386): Update Target_selector
4492 constructor call. Remove recognize and recognize_by_name. Add
4493 do_instantiate_target.
4494 * x86_64.cc (class Target_selector_x86_64): Likewise.
4495 * testsuite/testfile.cc (class Target_selector_test): Update for
4496 changes to Target_selector.
4498 * README: Rewrite, with some notes on unsupported features.
4500 2008-03-24 Cary Coutant <ccoutant@google.com>
4502 * i386.cc (Target_i386::Got_type): New enum declaration.
4503 (Target_i386::Scan::local): Updated callers of Output_data_got
4505 (Target_i386::Scan::global): Likewise.
4506 (Target_i386::Relocate::relocate): Likewise.
4507 (Target_i386::Relocate::relocate_tls): Likewise.
4508 * object.h (Got_offset_list): New class.
4509 (Sized_relobj::local_has_got_offset): Added got_type parameter.
4510 (Sized_relobj::local_got_offset): Likewise.
4511 (Sized_relobj::set_local_got_offset): Likewise.
4512 (Sized_relobj::local_has_tls_got_offset): Removed.
4513 (Sized_relobj::local_tls_got_offset): Removed.
4514 (Sized_relobj::set_local_tls_got_offset): Removed.
4515 (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
4516 * output.cc (Output_data_got::add_global): Added got_type parameter.
4517 (Output_data_got::add_global_with_rel): Likewise.
4518 (Output_data_got::add_global_with_rela): Likewise.
4519 (Output_data_got::add_global_pair_with_rel): New function.
4520 (Output_data_got::add_global_pair_with_rela): New function.
4521 (Output_data_got::add_local): Added got_type parameter.
4522 (Output_data_got::add_local_with_rel): Likewise.
4523 (Output_data_got::add_local_with_rela): Likewise.
4524 (Output_data_got::add_local_pair_with_rel): New function.
4525 (Output_data_got::add_local_pair_with_rela): New function.
4526 (Output_data_got::add_global_tls): Removed.
4527 (Output_data_got::add_global_tls_with_rel): Removed.
4528 (Output_data_got::add_global_tls_with_rela): Removed.
4529 (Output_data_got::add_local_tls): Removed.
4530 (Output_data_got::add_local_tls_with_rel): Removed.
4531 (Output_data_got::add_local_tls_with_rela): Removed.
4532 * output.h (Output_data_got::add_global): Added got_type parameter.
4533 (Output_data_got::add_global_with_rel): Likewise.
4534 (Output_data_got::add_global_with_rela): Likewise.
4535 (Output_data_got::add_global_pair_with_rel): New function.
4536 (Output_data_got::add_global_pair_with_rela): New function.
4537 (Output_data_got::add_local): Added got_type parameter.
4538 (Output_data_got::add_local_with_rel): Likewise.
4539 (Output_data_got::add_local_with_rela): Likewise.
4540 (Output_data_got::add_local_pair_with_rel): New function.
4541 (Output_data_got::add_local_pair_with_rela): New function.
4542 (Output_data_got::add_global_tls): Removed.
4543 (Output_data_got::add_global_tls_with_rel): Removed.
4544 (Output_data_got::add_global_tls_with_rela): Removed.
4545 (Output_data_got::add_local_tls): Removed.
4546 (Output_data_got::add_local_tls_with_rel): Removed.
4547 (Output_data_got::add_local_tls_with_rela): Removed.
4548 * resolve.cc (Symbol::override_base_with_special): Removed
4549 reference to has_got_offset_ field.
4550 * symtab.cc (Symbol::init_fields): Replaced initialization
4551 of got_offset_ with got_offsets_. Removed initialization
4553 * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
4554 (Symbol::got_offset): Likewise.
4555 (Symbol::set_got_offset): Likewise.
4556 (Symbol::has_tls_got_offset): Removed.
4557 (Symbol::tls_got_offset): Removed.
4558 (Symbol::set_tls_got_offset): Removed.
4559 (Symbol::got_offset_): Removed.
4560 (Symbol::tls_mod_got_offset_): Removed.
4561 (Symbol::tls_pair_got_offset_): Removed.
4562 (Symbol::got_offsets_): New field.
4563 (Symbol::has_got_offset): Removed.
4564 (Symbol::has_tls_mod_got_offset): Removed.
4565 (Symbol::has_tls_pair_got_offset): Removed.
4566 * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
4567 (Target_x86_64::Scan::local): Updated callers of Output_data_got
4569 (Target_x86_64::Scan::global): Likewise.
4570 (Target_x86_64::Relocate::relocate): Likewise.
4571 (Target_x86_64::Relocate::relocate_tls): Likewise.
4573 2008-03-25 Ben Elliston <bje@au.ibm.com>
4575 * yyscript.y: Fix spelling error in comment.
4577 2008-03-24 Ian Lance Taylor <iant@google.com>
4579 * options.h (class General_options): Define build_id option.
4580 * layout.h (class Layout): Declare write_build_id, create_note,
4581 create_build_id. Add build_id_note_ member.
4582 * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
4583 "libiberty.h", "md5.h", "sha1.h".
4584 (Layout::Layout): Initialize eh_frame_data_,
4585 eh_frame_hdr_section_, and build_id_note_.
4586 (Layout::finalize): Call create_build_id.
4587 (Layout::create_note): New function, broken out of
4588 Layout::create_gold_note.
4589 (Layout::create_gold_note): Call create_note.
4590 (Layout::create_build_id): New function.
4591 (Layout::write_build_id): New function.
4592 (Close_task_runner::run): Call write_build_id.
4594 * x86_64.cc: Correct license to GPLv3.
4596 2008-03-23 Ian Lance Taylor <iant@google.com>
4598 * options.cc: Include "demangle.h".
4599 (parse_optional_string): New function.
4600 (parse_long_option): Handle takes_optional_argument.
4601 (parse_short_option): Update dash_z initializer. Handle
4602 takes_optional_argument.
4603 (General_options::General_options): Initialize do_demangle_.
4604 (General_options::finalize): Set do_demangle_. Handle demangling
4606 * options.h (parse_optional_string): Declare.
4607 (struct One_option): Add optional_arg field. Update constructor.
4608 Update call constructor calls. Add takes_optional_argument
4610 (DEFINE_var): Add optional_arg__ parameter. Change all callers.
4611 (DEFINE_optional_string): Define.
4612 (General_options::demangle): Change from DEFINE_bool to
4613 DEFINE_optional_string.
4614 (General_options::no_demangle): New function.
4615 (General_options::do_demangle): New function.
4616 (General_options::set_do_demangle): New function.
4617 (General_options::execstack_status_): Move definition to end of
4619 (General_options::static_): Likewise.
4620 (General_options::do_demangle_): New field.
4621 * object.cc (big_endian>::get_symbol_location_info): Call
4622 Options::do_demangle, not Options::demangle.
4623 * symtab.cc (demangle): Likewise.
4625 2008-03-22 Ian Lance Taylor <iant@google.com>
4627 * gold.h: Include <cstddef> and <sys/types.h>
4628 * options.h: Include <cstring>.
4630 2008-03-21 Ian Lance Taylor <iant@google.com>
4632 * Added source code to GNU binutils.