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* cofflink.c (_bfd_coff_link_input_bfd): Skip section symbols for
[deliverable/binutils-gdb.git] / gold / ChangeLog
CommitLineData
f3048a1d
ILT		 12009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
2 Ian Lance Taylor <iant@google.com>
3
4 * descriptor.cc: Include <cstdio> and "binary-io.h".
5 (Descriptors::open): Open the files in binary mode always.
6 * script.cc (Lex::get_token): Treat \r as whitespace.
7
d4780e57
ILT		 82009-10-09 Ian Lance Taylor <iant@google.com>
9
10 * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
11
d9a893b8
ILT		 122009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
13 Ian Lance Taylor <iant@google.com>
14
15 * configure.ac: Check for readv function also.
16 * fileread.cc (readv): Define if not HAVE_READV.
17 * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
18 does not exist.
19 * config.in: Regenerate.
20 * configure: Regenerate.
21
c0a62865
DK		 222009-10-09 Doug Kwan <dougkwan@google.com>
23
24 * layout.cc (Layout::make_output_section): Call target hook to make
25 ordinary output section.
26 (Layout::finalize): Adjust parameter list of call the
27 Target::may_relax().
28 * layout.h (class Layout::section_list): New method.
29 * merge.h (Output_merge_base::entsize): Change visibility to public.
30 (Output_merge_base::is_string, Output_merge_base::do_is_string):
31 New methods.
32 (Output_merge_string::do_is_string): New method.
33 * object.cc (Sized_relobj::do_setup): renamed from
34 Sized_relobj::set_up.
35 * object.h (Sized_relobj::adjust_shndx,
36 Sized_relobj::initializ_input_to_output_maps,
37 Sized_relobj::free_input_to_output_maps): Change visibilities to
38 protected.
39 (Sized_relobj::setup): Virtualize.
40 (Sized_relobj::do_setup): New method declaration.
41 (Sized_relobj::invalidate_section_offset,
42 Sized_relobj::do_invalidate_section_offset): New method decfinitions.
43 (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
44 * options.cc (parse_int): New function.
45 * options.h (parse_int): New declaration.
46 (DEFINE_int): New macro.
47 (stub_group_size): New option.
48 * output.cc (Output_section::Output_section): Initialize memebers
49 merge_section_map_, merge_section_by_properties_map_,
50 relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
51 (Output_section::add_input_section): Handled deferred code-fill
52 generation and remove an old comment.
53 (Output_section::add_relaxed_input_section): New method definition.
54 (Output_section::add_merge_input_section): Use merge section by
55 properties map to speed to search. Update merge section maps
56 as appropriate.
57 (Output_section::build_relaxation_map): New method definition.
58 (Output_section::convert_input_sections_in_list_to_relaxed_sections):
59 Same.
60 (Output_section::relax_input_section): Renamed to
61 Output_section::convert_input_sections_to_relaxed_sections and change
62 interface to take a vector of pointers to relaxed sections.
63 (Output_section::find_merge_section,
64 Output_section::find_relaxed_input_section): New method definitions.
65 (Output_section::is_input_address_mapped,
66 Output_section::output_offset, Output_section::output_address):
67 Use output section data maps to speed up searching.
68 (Output_section::find_starting_output_address): Add comments.
69 (Output_section::do_write,
70 Output_section::write_to_postprocessing_buffer): Do code-fill
71 generation as appropriate.
72 (Output_section::get_input_sections): Invalidate relaxed input section
73 map.
74 (Output_section::restore_states): Adjust type of checkpoint .
75 Invalidate relaxed input section map.
76 * output.h (Output_merge_base): New class declaration.
77 (Input_section_specifier): New class defintion.
78 (class Output_relaxed_input_section) Change base class to
79 Output_section_data_build.
80 (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
81 base class initializer.
82 (Output_section::add_relaxed_input_section): New method declaration.
83 (Output_section::Input_section): Change visibility to protected.
84 (Output_section::Input_section::relobj,
85 Output_section::Input_section::shndx): Handle relaxed input sections.
86 Output_section::input_sections) Change visibility to protected. Also
87 define overload to return a non-const pointer.
88 (Output_section::Merge_section_properties): New class defintion.
89 (Output_section::Merge_section_by_properties_map,
90 Output_section::Output_section_data_by_input_section_map,
91 Output_section::Relaxation_map): New types.
92 (Output_section::relax_input_section): Rename method to
93 Output_section::convert_input_sections_to_relaxed_sections and change
94 interface to take a vector of relaxed section pointers.
95 (Output_section::find_merge_section,
96 Output_section::find_relaxed_input_section,
97 Output_section::build_relaxation_map,
98 Output_section::convert_input_sections_in_list_to_relaxed_sections):
99 New method declarations.
100 (Output_section::merge_section_map_
101 Output_section::merge_section_by_properties_map_,
102 Output_section::relaxed_input_section_map_,
103 Output_section::is_relaxed_input_section_map_valid_,
104 Output_section::generate_code_fills_at_write_): New data members.
105 * script-sections.cc
106 (Output_section_element_input::set_section_addresses): Call
107 current_data_size and addralign methods of relaxed input sections.
108 (Orphan_output_section::set_section_addresses): Call current_data_size
109 and addralign methods of relaxed input sections.
110 * symtab.cc (Symbol_table::compute_final_value): Extract template
111 from the body of Symbol_table::sized_finalize_symbol.
112 (Symbol_table::sized_finalized_symbol): Call
113 Symbol_table::compute_final_value.
114 * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
115 (Symbol_table::compute_final_value): New templated method declaration.
116 * target.cc (Target::do_make_output_section): New method defintion.
117 * target.h (Target::make_output_section): New method declaration.
118 (Target::relax): Add more parameters for input objects, symbol table
119 and layout. Adjust call to do_relax.
120 (Target::do_make_output_section): New method declaration.
121 (Target::do_relax): Add parameters for input objects, symbol table
122 and layout.
123
d446d6c4
ILT		 1242009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
125
126 * pread.c: Include stdio.h.
127
bc06c745
ILT		 1282009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
129
130 * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
131 defined.
132
75aea3d0
ILT		 1332009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
134
135 * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
136 Change read_shndx type to unsigned int.
137 (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
138 int.
139 (Sized_dwarf_line_info::read_line_mappings): Likewise.
140 * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
141 Change read_shndx type to unsigned int.
142 (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
143 int.
144 (Sized_dwarf_line_info::read_line_mappings): Likewise.
145 * layout.cc (Layout::create_symtab_sections): Cast the result of
146 local_symcount * symsize to off_t in the gold_assert.
147
be8fcb75
ILT		 1482009-10-09 Viktor Kutuzov <vkutuzov@accesssoftek.com>
149
150 * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
151 R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
152 R_ARM_BASE_ABS.
153 (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
154 (Arm_relocate_functions::thm_abs5): New function.
155 (Arm_relocate_functions::abs12): New function.
156 (Arm_relocate_functions::abs16): New function.
157 (Arm_relocate_functions::base_abs): New function.
158 (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
159 (Scan::local): Remove special handling of R_ARM_ABS8. Handle
160 R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
161 R_ARM_BASE_ABS.
162 (Scan::global): Likewise.
163 (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
164 R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
165 (Relocatable_size_for_reloc::get_size_for_reloc): Handle
166 R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
167 R_ARM_BASE_ABS.
168
c2a122b6
ILT		 1692009-10-09 Viktor Kutuzov <vkutuzov@accesssoftek.com>
170
171 * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
172 (Arm_relocate_functions::movt_prel): New function.
173 (Arm_relocate_functions::thm_movw_prel_nc): New function.
174 (Arm_relocate_functions::thm_movt_prel): New function.
175 (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
176 R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
177 (Scan::global, Relocate::relocate): Likewise.
178 (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
179
c4aa1e2d
ILT		 1802009-10-09 Mikolaj Zalewski <mikolajz@google.com>
181
182 * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
183 Incremental_checker.
184 * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
185 unsigned int.
186 (class Incremental_inputs_header): New class.
187 (Incremental_inputs_header_writer): Edit comment.
188 (Incremental_inputs_entry): New class.
189 (Incremental_inputs_entry_writer): Edit comment.
190 (Sized_incremental_binary::do_find_incremental_inputs_section):
191 Add *strtab_shndx parameter, fill it.
192 (Sized_incremental_binary::do_check_inputs): New method.
193 (Incremental_checker::can_incrementally_link_output_file): Use
194 Sized_incremental_binary::check_inputs.
195 (Incremental_inputs::report_command_line): Save command line in
196 command_line_.
197 * incremental.h:
198 (Incremental_binary::find_incremental_inputs_section): New
199 method.
200 (Incremental_binary::do_find_incremental_inputs_section): Add
201 strtab_shndx parameter.
202 (Incremental_binary::do_check_inputs): New pure virtual method.
203 (Sized_incremental_binary::do_check_inputs): Declare.
204 (Incremental_checker::Incremental_checker): Add incremental_inputs
205 parameter, use it to initialize incremental_inputs_.
206 (Incremental_checker::incremental_inputs_): New field.
207 (Incremental_checker::command_line): New method.
208 (Incremental_checker::inputs): New method.
209 (Incremental_checker::command_line_): New field.
210
c549a694
ILT		 2112009-10-09 Mikolaj Zalewski <mikolajz@google.com>
212
213 * incremental.cc: Include <cstdarg> and "target-select.h".
214 (vexplain_no_incremental): New function.
215 (explain_no_incremental): New function.
216 (Incremental_binary::error): New method.
217 (Sized_incremental_binary::do_find_incremental_inputs_section): New
218 method.
219 (make_sized_incremental_binary): New function.
220 (open_incremental_binary): New function.
221 (can_incrementally_link_file): Add checks if output is ELF and has
222 inputs section.
223 * incremental.h: Include "elfcpp_file.h" and "output.h".
224 (Incremental_binary): New class.
225 (Sized_incremental_binary): New class.
226 (open_incremental_binary): Declare.
227 * object.cc (is_elf_object): Use
228 elfcpp::Elf_recognizer::is_elf_file.
229 (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
230 * output.h (Output_file::filesize): New method.
231
fd3c5f0b
ILT		 2322009-10-07 Viktor Kutuzov <vkutuzov@accesssoftek.com>
233
234 * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
235 New function.
236 (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
237 (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
238 function.
239 (Arm_relocate_functions::insert_val_thumb_movw_movt): New
240 function.
241 (Arm_relocate_functions::movw_abs_nc): New function.
242 (Arm_relocate_functions::movt_abs): New function.
243 (Arm_relocate_functions::thm_movw_abs_nc): New function.
244 (Arm_relocate_functions::thm_movt_abs): New function.
245 (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
246 R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
247 (Scan::global): Likewise.
248 (Relocate::relocate): Likewise.
249 (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
250
7f5309a5
ILT		 2512009-10-07 Viktor Kutuzov <vkutuzov@accesssoftek.com>
252
253 * arm.cc (Arm_relocate_functions::got_prel) New function.
254 (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
255 (Relocate::relocate): Likewise.
256 (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
257
364c7fa5
ILT		 2582009-10-06 Ian Lance Taylor <iant@google.com>
259
260 * options.h (class General_options): Define
261 split_stack_adjust_size parameter.
262 * object.h (class Object): Add uses_split_stack_ and
263 has_no_split_stack_ fields. Add uses_split_stack and
264 has_no_split_stack accessor functions. Declare
265 handle_split_stack_section.
266 (class Reloc_symbol_changes): Define.
267 (class Sized_relobj): Define Function_offsets. Declare
268 split_stack_adjust, split_stack_adjust_reltype, and
269 find_functions.
270 * object.cc (Object::handle_split_stack_section): New function.
271 (Sized_relobj::do_layout): Call handle_split_stack_section.
272 * dynobj.cc (Sized_dynobj::do_layout): Call
273 handle_split_stack_section.
274 * reloc.cc (Sized_relobj::relocate_sections): Call
275 split_stack_adjust for executable sections in split_stack
276 objects. Pass reloc_map to relocate_section.
277 (Sized_relobj::split_stack_adjust): New function.
278 (Sized_relobj::split_stack_adjust_reltype): New function.
279 (Sized_relobj::find_functions): New function.
280 * target-reloc.h: Include "object.h".
281 (relocate_section): Add reloc_symbol_changes parameter. Change
282 all callers.
283 * target.h (class Target): Add calls_non_split method. Declare
284 do_calls_non_split virtual method. Declare match_view and
285 set_view_to_nop.
286 * target.cc: Include "elfcpp.h".
287 (Target::do_calls_non_split): New function.
288 (Target::match_view): New function.
289 (Target::set_view_to_nop): New function.
290 * gold.cc (queue_middle_tasks): Give an error if mixing
291 split-stack and non-split-stack objects with -r.
292 * i386.cc (Target_i386::relocate_section): Add
293 reloc_symbol_changes parameter.
294 (Target_i386::do_calls_non_split): New function.
295 * x86_64.cc (Target_x86_64::relocate_section): Add
296 reloc_symbol_changes parameter.
297 (Target_x86_64::do_calls_non_split): New function.
298 * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
299 parameter.
300 * powerpc.cc (Target_powerpc::relocate_section): Add
301 reloc_symbol_changes parameter.
302 * sparc.cc (Target_sparc::relocate_section): Add
303 reloc_symbol_changes parameter.
304 * configure.ac: Call AM_CONDITIONAL for the default target.
305 * configure: Rebuild.
306 * testsuite/Makefile.am (TEST_AS): New variable.
307 (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
308 (check_DATA): Add split_i386 and split_x86_64 files.
309 (SPLIT_DEFSYMS): Define.
310 (split_i386_[1234n].o): New targets.
311 (split_i386_[124]): New targets.
312 (split_i386_[1234r].stdout): New targets.
313 (split_x86_64_[1234n].o): New targets.
314 (split_x86_64_[124]): New targets.
315 (split_x86_64_[1234r].stdout): New targets.
316 (MOSTLYCLEANFILES): Add new executables.
317 * testsuite/split_i386.sh: New file.
318 * testsuite/split_x86_64.sh: New file.
319 * testsuite/split_i386_1.s: New file.
320 * testsuite/split_i386_2.s: New file.
321 * testsuite/split_i386_3.s: New file.
322 * testsuite/split_i386_4.s: New file.
323 * testsuite/split_i386_n.s: New file.
324 * testsuite/split_x86_64_1.s: New file.
325 * testsuite/split_x86_64_2.s: New file.
326 * testsuite/split_x86_64_3.s: New file.
327 * testsuite/split_x86_64_4.s: New file.
328 * testsuite/split_x86_64_n.s: New file.
329 * testsuite/testfile.cc (Target_test): Update relocation_section
330 function.
331 * testsuite/Makefile.in: Rebuild.
332
e8a9fcda
ILT		 3332009-10-06 Ian Lance Taylor <iant@google.com>
334
335 * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
336 (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
337 changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE. When
338 handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
339 the address on ldo_addrs_.
340 (Target_i386::Relocate::fix_up_ldo): New function.
341
e99daf92
ILT		 3422009-10-06 Rafael Espindola <espindola@google.com>
343
344 * plugin.cc (add_input_library): New.
345 (Plugin::load): Add add_input_library to tv.
346 (Plugin_manager::add_input_file): Add the is_lib argument.
347 (add_input_file): Update call to Plugin_manager::add_input_file.
348 (add_input_library): New.
349 * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
350
966d4097
DK		 3512009-09-30 Doug Kwan <dougkwan@google.com>
352
353 * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
354 symbol and call Symbol::may_need_copy_reloc to determine if
355 a copy reloc is needed.
356 * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
357 nocopyreloc is given in command line.
358 (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
359 given in command line.
360 * i386.cc (Target_i386::may_need_copy_reloc): Remove.
361 (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
362 of the removed Target_i386::may_need_copy_reloc.
363 * options.h (copyreloc): New option with default value false.
364 * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
365 (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
366 instead of the removed Target_powerpc::may_need_copy_reloc.
367 * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
368 (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
369 instead of the removed Target_sparc::may_need_copy_reloc.
370 * symtab.h (Symbol::may_need_copy_reloc): New method definition.
371 * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
372 (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
373 instead of the removed Target_x86_64::may_need_copy_reloc.
374
029ba973
ILT		 3752009-09-30 Ian Lance Taylor <iant@google.com>
376
377 * object.h (class Object): Remove target_ field, and target,
378 sized_target, and set_target methods.
379 (Object::sized_target): Remove.
380 (class Sized_relobj): Update declarations. Remove sized_target.
381 * object.cc (Sized_relobj::setup): Remove target parameter.
382 Change all callers.
383 (Input_objects::add_object): Don't do anything with the target.
384 (make_elf_sized_object): Add punconfigured parameter. Change all
385 callers. Set or test parameter target.
386 * dynobj.cc (Sized_dynobj::target): Remove target parameter.
387 Change all callers.
388 * parameters.cc (Parameters::set_target): Change parameter type to
389 be non-const.
390 (Parameters::default_target): Remove.
391 (set_parameters_target): Change parameter type to be non-const.
392 (parameters_force_valid_target): New function.
393 (parameters_clear_target): New function.
394 * parameters.h (class Parameters): Update declarations. Remove
395 default_target method. Add sized_target and clear_target
396 methods. Change target_ to be non-const.
397 (set_parameters_target): Update declaration.
398 (parameters_force_valid_target): Declare.
399 (parameters_clear_target): Declare.
400 * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
401 as NULL if we aren't searching.
402 (Add_symbols::run): Don't check for compatible target.
403 * fileread.cc (Input_file::open_binary): Call
404 parameters_force_valid_target.
405 * gold.cc (queue_middle_tasks): Likewise.
406 * plugin.cc (make_sized_plugin_object): Likewise. Don't call
407 set_target on object.
408 * dynobj.h (class Sized_dynobj): Update declarations.
409 * archive.cc (Archive::get_elf_object_for_member): Return NULL if
410 make_elf_object returns NULL.
411 (Archive::include_member): Don't check whether object target is
412 compatible.
413 * output.cc (Output_section::add_input_section): Get target from
414 parameters.
415 (Output_section::relax_input_section): Likewise.
416 * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
417 parameters.
418 (Sized_relobj::do_scan_relocs): Likewise.
419 (Sized_relobj::relocate_sections): Likewise.
420 * resolve.cc (Symbol_table::resolve): Likewise.
421 * symtab.cc (Symbol_table::wrap_symbol): Likewise. Remove object
422 parameter. Change all callers.
423 (Symbol_table::add_from_object): Get target from parameters.
424 (Symbol_table::add_from_relobj): Don't check object target.
425 (Symbol_table::add_from_dynobj): Likewise.
426 (Symbol_table::define_special_symbol): Get target from
427 parameters.
428 * symtab.h (class Symbol_table): Update declaration.
429 * testsuite/binary_unittest.cc (gold_testsuite): Remove target
430 parameter. Change all callers. Clear parameter target.
431 (Binary_test): Test target here.
432 * testsuite/object_unittest.cc (gold_testsuite): Remove
433 target_test_pointer parameter. Change all callers.
434 (Object_test): Test target here.
435
a6a22b83
ILT		 4362009-09-26 Ian Lance Taylor <iant@google.com>
437
438 * testsuite/initpri1.c: Don't try to use constructor priorities if
439 compiling with gcc before 4.3.
440
6a8f49fe
ILT		 4412009-09-22 Mikolaj Zalewski <mikolajz@google.com>
442
443 * testsuite/retain_symbols_file_test.sh (check_present): Change
444 output file name to retain_symbols_file_test.stdout.
445 (check_absent): Likewise.
446
8c604651
CS		 4472009-09-18 Craig Silverstein <csilvers@google.com>
448
449 * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
450 * options.cc: Include <cerrno> and <fstream>.
451 (General_options::finalize): Parse -retain-symbols-file tag.
452 * options.h: New flag.
453 (General_options): New method should_retain_symbol, new
454 variable symbols_to_retain.
455 * symtab.cc (Symbol_table::sized_finalize_symbol): Test
456 should_retain_symbol map.
457 * testsuite/Makefile.am (retain_symbols_file_test): New test.
458 * testsuite/Makefile.in: Regenerate.
459 * testsuite/retain_symbols_file_test.sh: New file.
460
ca58b19f
NC		 4612009-09-18 Nick Clifton <nickc@redhat.com>
462
463 * po/es.po: Updated Spanish translation.
464
20e6d0d6
DK		 4652009-09-17 Doug Kwan <dougkwan@google.com>
466
467 * debug.h (DEBUG_RELAXATION): New constant.
468 (DEBUG_ALL): Add DEBUG_RELAXATION.
469 (debug_string_to_enum): Add relaxation debug option.
470 * layout.cc
471 (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
472 Layout::Relaxation_debug_check::read_sections,
473 Layout::Relaxation_debug_check::read_sections): New method definitions.
474 (Layout::Layout): Initialize data members
475 record_output_section_data_from_scrips_,
476 script_output_section_data_list_ and relaxation_debug_check_.
477 (Layout::save_segments, Layout::restore_segments,
478 Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
479 Layout::relaxation_loop_body): New method definitions.
480 (Layout::finalize): Support relaxation. Move section layout code to
481 Layout::relaxation_loop_body.
482 (Layout::set_asection_address_from_script): Move code for orphan
483 section placement out.
484 (Layout::place_orphan_sections_in_script): New method definition.
485 * layout.h (Output_segment_headers, Output_file_header):
486 New forward class declarations.
487 (Layout::~Layout): Define.
488 (Layout::new_output_section_data_from_script): New method definition.
489 (Layout::place_orphan_sections_in_script): New method declaration.
490 (Layout::Segment_states): New type declaration.
491 (Layout::save_segments, Layout::restore_segments,
492 Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
493 Layout::relaxation_loop_body): New method declarations.
494 (Layout::Output_section_data_list): New type declaration.
495 (Layout::Relaxation_debug_check): New class definition.
496 (Layout::record_output_section_data_from_script_,
497 Layout::script_output_section_data_list_, Layout::segment_states_,
498 Layout::relaxation_debug_check_): New data members.
499 * output.cc: (Output_section_headers::do_size): New method definition.
500 (Output_section_headers::Output_section_headers): Move size
501 computation to Output_section_headers::do_size.
502 (Output_segment_headers::do_size): New method definition.
503 (Output_file_header::Output_file_header): Move size computation to
504 Output_file_header::do_size and call it.
505 (Output_file_header::do_size): New method definition.
506 (Output_data_group::Output_data_group): Adjust call to
507 Output_section_data.
508 (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
509 (Output_symtab_xindex::do_write): Add array bound check.
510 (Output_section::Input_section::print_to_mapfile): Handle
511 RELAXED_INPUT_SECTION_CODE.
512 (Output_section::Output_section): Initialize data member checkpoint_.
513 (Output_section::~Output_section): Delete checkpoint object pointed
514 by checkpoint_.
515 (Output_section::add_input_section): Always add an Input_section if
516 relaxing.
517 (Output_section::add_merge_input_section): Add assert.
518 (Output_section::relax_input_section): New method definition.
519 (Output_section::set_final_data_size): Set load address to zero for
520 an unallocated section.
521 (Output_section::do_address_and_file_offset_have_reset_values):
522 New method definition.
523 (Output_section::Input_section_sort_enty::Input_section_sort_enty):
524 Handle relaxed input section.
525 (Output_section::sort_attached_input_sections): Checkpoint input
526 section list lazily.
527 (Output_section::get_input_sections): Change type of input_sections to
528 list of Simple_input_section pointers. Checkpoint input section list
529 lazily. Also handle relaxed input sections.
530 (Output_section::add_input_section_for_script): Take a reference to
531 a Simple_input_section object instead of Relobj pointer and section
532 index as parameter. Handle relaxed input sections.
533 (Output_section::save_states, Output_section::restore_states): New
534 method definitions.
535 * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
536 (Output_data::is_data_size_fixed): New method definition.
537 (Output_data::reset_addresss_and_file_offset): Do not reset data size
538 if it is fixed.
539 (Output_data::address_and_file_offset_have_reset_values): New method
540 definition.
541 (Output_data::do_address_and_file_offset_have_reset_values): New method
542 definition.
543 (Output_data::set_data_size): Check that data size is not fixed.
544 (Output_data::fix_data_size): New method definition.
545 (Output_data::is_data_size_fixed_): New data member.
546 (Output_section_headers::set_final_data_size): New method definition.
547 (Output_section_headers::do_size): New method declaration.
548 (Output_segment_headers::set_final_data_size): New method definition.
549 (Output_segment_headers::do_size): New method declaration.
550 (Output_file_header::set_final_data_size)::New method definition.
551 (Output_file_header::do_size)::New method declaration.
552 (Output_section_data::Output_section_data): Add new parameter
553 is_data_size_fixed and use it to fix data size.
554 (Output_data_const::Output_data_const): Adjust call to base class
555 constructor and fix data size.
556 (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
557 base class constructor and fix data size.
558 (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
559 base class constructor and fix data size.
560 (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
561 class constructor and fix data size.
562 (Output_data_group::set_final_data_size): New method definition.
563 (Output_data_dynamic::Dynamic_entry::tag): New method definition.
564 (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
565 class constructor and fix data size.
566 (Output_relaxed_input_section): New class definition.
567 (Output_section::Simple_input_section): New class definition.
568 (Output_section::get_input_sections): Adjust parameter list.
569 (Output_section::add_input_section_for_script): Same.
570 (Output_section::save_states, Output_section::restore_states,
571 Output_section::do_address_and_file_offset_have_reset_values,
572 (Output_section::Input_section::Input_section): Handle
573 RELAXED_INPUT_SECTION_CODE. Add new overload for
574 Output_relaxed_input_section.
575 (Output_section::Input_section::is_input_section,
576 Output_section::Input_section::set_output_section): Handle relaxed
577 input section.
578 (Output_section::Input_section::is_relaxed_input_section,
579 Output_section::Input_section::output_section_data,
580 Output_section::Input_section::relaxed_input_section): New method
581 definitions.
582 (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
583 value.
584 (Output_section::Input_section::u1_): Update comments.
585 (Output_section::Input_section::u2_): Add new union member poris.
586 (Output_section::Checkpoint_output_section): New classs definition.
587 (Output_section::relax_input_section): New method declaration.
588 (Output_section::checkpoint_): New data member.
589 (Output_segment): Update comments.
590 (Output_segment::Output_segment): Un-privatize copy constructor.
591 (Output_segment::operator=): Un-privatize.
592 * script-sections.cc (Output_section_element::Input_section_list):
593 Change element type to Output_section::Simple_input_section.
594 (Output_section_element_dot_assignment::set_section_addresses):
595 Register output section data for relaxation clean up.
596 (Output_data_exression::Output_data_expression): Adjust call to base
597 constructor to fix data size.
598 (Output_section_element_data::set_section_addresses): Register
599 Output_data_expression object for relaxation clean up.
600 (struct Input_section_info): Replace Relobj pointer and section index
601 pair with Output_section::Simple_input_section and Convert struct to a
602 class.
603 (Input_section_sorter::operator()): Adjust access to
604 Input_section_info data member to use accessors.
605 (Output_section_element_input::set_section_addresses): Use layout
606 parameter. Adjust code to use Output_section::Simple_input_section
607 and Input_secction_info classes. Register filler for relaxation
608 clean up.
609 (Orphan_output_section::set_section_addresses): Replace Relobj pointer
610 and section index pair with Output_section::Simple_input_section
611 class. Adjust code accordingly.
612 (Phdrs_element::release_segment): New method definition.
613 (Script_sections::attach_sections_using_phdrs_clause): Do not modify
614 segment list.
615 (Script_sections::release_segments): New method definition.
616 * gold/script-sections.h (Script_sections::release_segments): New
617 method declaration.
618 * gold/target.h (Target::may_relax, Target::relax,
619 Target::do_may_relax, Target::do_relax): New method definitions.
620
5e445df6
ILT		 6212009-09-17 Viktor Kutuzov <vkutuzov@accesssoftek.com>
622
623 * arm.cc (has_signed_unsigned_overflow): New function.
624 (Arm_relocate_functions::abs8): New function.
625 (Target_arm::Scan::local): Handle R_ARM_ABS8.
626 (Target_arm::Scan::global): Likewise.
627 (Target_arm::relocate::relocate): Likewise.
628 (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
629 Likewise.
630
8c604651 6312009-09-16 Cary Coutant <ccoutant@google.com>
72fef11a
CC		 632
633 * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
634 * testsuite/Makefile.in: Regenerate.
635
1e9cc1c2
NC		 6362009-09-11 Nick Clifton <nickc@redhat.com>
637
638 * po/gold.pot: Updated by the Translation project.
639
6a89f575
CC		 6402009-09-08 Cary Coutant <ccoutant@google.com>
641
642 * output.cc (Output_file::open): Add execute permission to empty file.
643 * testsuite/Makefile.am (permission_test): New test.
644 * testsuite/Makefile.in: Regenerate.
645
fdcac5af
ILT		 6462009-09-02 Ian Lance Taylor <iant@google.com>
647
648 * output.cc (Output_file::resize): Call map_no_anonymous rather
649 than map.
650
44453f85
ILT		 6512009-09-01 Mikolaj Zalewski <mikolajz@google.com>
652
653 * gold.cc: Include "incremental.h".
654 (queue_initial_tasks): Call Incremental_checker methods.
655 * incremental.cc: Include "output.h".
656 (Incremental_checker::can_incrementally_link_output_file): New
657 method.
658 * incremental.h (Incremental_checker): New class.
659
660 * output.cc (Output_file::open_for_modification): New method.
661 (Output_file::map_anonymous): Changed return type to bool. Record
662 map in base_ field.
663 (Output_file::map_no_anonymous): New method, broken out of map.
664 (Output_file::map): Use map_no_anonymous and map_anonymous.
665 * output.h (class Output_file): Update declarations.
666
293c1386
CC		 6672009-08-24 Cary Coutant <ccoutant@google.com>
668
669 * options.h (Command_line::Pre_options): New class.
670 (Command_line::pre_options): New member.
671 * options.cc (gold::options::ready_to_register): New variable.
672 (One_option::register_option): Do nothing if not registering options.
673 Assert if same short option registered twice.
674 (General_options::General_options): Turn off option registration when
675 done constructing.
676 (Command_line::Pre_options::Pre_options): New constructor.
677
f773f3d2
CC		 6782009-08-24 Cary Coutant <ccoutant@google.com>
679
06a73cfe
CC		 680 * options.h (General_options::no_keep_memory): Remove incorrect
681 short option.
f773f3d2 682
a15af8e2
RW		 6832009-08-24 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
684
685 * Makefile.am (am__skiplex, am__skipyacc): New.
686 * Makefile.in: Regenerate.
687
c462b41b
RW		 6882009-08-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
689
14ec8efd
RW		 690 * Makefile.am (AM_CPPFLAGS): Renamed from ...
691 (INCLUDES): ... this.
692 * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
693 (AM_CPPFLAGS): Renamed from ...
694 (INCLUDE): ... this.
695 * Makefile.in, testsuite/Makefile.in: Regenerate.
696
81ecdfbb
RW		 697 * Makefile.in: Regenerate.
698 * aclocal.m4: Likewise.
699 * config.in: Likewise.
700 * configure: Likewise.
701 * testsuite/Makefile.in: Likewise.
702
c462b41b
RW		 703 * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
704 * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
705 * Makefile.in: Regenerate.
706 * testsuite/Makefile.in: Regenerate.
707
2da73f13
CC		 7082009-08-19 Cary Coutant <ccoutant@google.com>
709
710 * resolve.cc (Symbol_table::resolve): Don't complain about defined
711 symbols in shared libraries overridden by hidden or internal symbols
712 in the main program.
713
2db70501
CD		 7142009-08-19 Chris Demetriou <cgd@google.com>
715
716 * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
717 checking source file names in error messages.
718
f733487b
DK		 7192009-08-18 Doug Kwan <dougkwan@google.com>
720
721 * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
722 an elcpp::Ehdr as parameter. Adjust call to set_target.
723 * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
724 an elfcpp::Ehdr as parameter.
725 * object.cc (Object::set_target): Remove the version that looks up
726 a target and sets it.
727 (Sized_relobj::setup): Take a Target object instead of
728 an elfcpp::Ehdr as parameter. Adjust call to set_target.
729 (make_elf_sized_object): Find target and ask target to
730 make an ELF object.
731 * object.h: (Object::set_target): Remove the version that looks up
732 a target and sets it.
733 (Sized_relobj::setup): Take a Target object instead of
734 an elfcpp:Ehdr as parameter.
735 * target.cc: Include dynobj.h.
736 (Target::do_make_elf_object_implementation): New.
737 (Target::do_make_elf_object): New.
738 * target.h (Target::make_elf_object): New template declaration.
739 (Target::do_make_elf_object): New method declarations.
740 (Target::do_make_elf_object_implementation): New template declaration.
741
cc70f101
ILT		 7422009-08-14 Ian Lance Taylor <iant@google.com>
743
744 * gold.h (FUNCTION_NAME): Define.
745 (gold_unreachable): Use FUNCTION_NAME.
746
ef5e0cb1
ST		 7472009-08-12 Sriraman Tallam <tmsriram@google.com>
748
749 * icf.cc (Icf::find_identical_sections): Issue a warning when a
750 symbol in the --keep-unique list is not found.
751
48c187ce
ST		 7522009-08-12 Sriraman Tallam <tmsriram@google.com>
753
754 * icf.cc (Icf::find_identical_sections): Unfold symbols that have
755 been maked as --keep-unique.
756 (Icf::unfold_section): New function.
757 * icf.h (Icf::unfold_section): New function.
758 * options.h (General_options::keep_unique): New option.
759 * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
760 * testsuite/Makefile.in: Regenerate.
761 * testsuite/icf_keep_unique_test.sh: New file.
762 * testsuite/icf_keep_unique_test.cc: New file.
763
645afe0c
CC		 7642009-08-12 Cary Coutant <ccoutant@google.com>
765
766 PR 10471
767 * resolve.cc (Symbol_table::resolve): Check for references from
768 dynamic objects to hidden and internal symbols.
769 * testsuite/Makefile.am (hidden_test.sh): New test.
770 * testsuite/Makefile.in: Regenerate.
771 * testsuite/hidden_test.sh: New script.
772 * testsuite/hidden_test_1.c: New test source.
773 * testsuite/hidden_test_main.c: New test source.
774
11af873f
DK		 7752009-08-11 Doug Kwan <dougkwan@google.com>
776
777 * arm.cc: Update comments.
778 (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
779 segment to locate the .ARM.exidx section if present.
780
b9f7d72d
DK		 7812009-08-09 Doug Kwan <dougkwan@google.com>
782
783 * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
784 patch.
785
ddd3c53c
ST		 7862009-08-07 Sriraman Tallam <tmsriram@google.com>
787 * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
788 compiler warnings.
789
27721062
ST		 7902009-08-06 Sriraman Tallam <tmsriram@google.com>
791
792 * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
793 valid tls_segment only for non-debug-section relocations.
794 * testsuite/Makefile.am: Add gc_tls_test.
795 * testsuite/Makefile.in: Regenerate.
796 * testsuite/gc_tls_test.cc: New file.
797 * testsuite/gc_tls_test.sh: New file.
798
ef15dade
ST		 7992009-08-05 Sriraman Tallam <tmsriram@google.com>
800
801 * icf.cc: New file.
802 * icf.h: New file.
803 * Makefile.am (CCFILES): Add icf.cc.
804 (HFILES): Add icf.h
805 * Makefile.in: Regenerate.
806 * dynobj.h (Sized_dynobj::do_section_entsize): New function.
807 * gc.h (gc_process_relocs): Populate lists used by icf to contain
808 section, symbol and addend information for the relocs.
809 * gold.cc (queue_middle_tasks): Call identical code folding.
810 * gold.h: Add defines for multimap.
811 * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
812 to the call of finalize_local_symbols.
813 * main.cc (main): Create object of class Icf.
814 * object.cc (Sized_relobj::do_layout): Allow this function to be
815 called twice during icf.
816 (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
817 to sections marked as identical by icf.
818 (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
819 when available.
820 (Sized_relobj::do_section_entsize): New function.
821 * object.h (Object::section_entsize): New function.
822 (Object::do_section_entsize): New pure virtual function.
823 (Relobj::finalize_local_symbols): Add new parameter.
824 (Relobj::do_section_entsize): New function.
825 * options.h (General_options::icf): New option.
826 (General_options::icf_iterations): New option.
827 (General_options::print_icf_sections): New option.
828 * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
829 * plugin.h (Sized_pluginobj::do_section_entsize): New function.
830 * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
831 icf.
832 * symtab.cc (Symbol_table::is_section_folded): New function.
833 (Symbol_table::sized_finalize_symbol): Fold symbols corresponding
834 to sections marked as identical by icf.
835 * symtab.h (Symbol_table::set_icf): New function.
836 (Symbol_table::icf): New function.
837 (Symbol_table::is_section_folded): New function.
838 (Symbol_table::icf_): New data member.
839 * target-reloc.h (relocate_section): Ignore sections folded by icf.
840 * testsuite/Makefile.am: Add commands to build icf_test.
841 * testsuite/Makefile.in: Regenerate.
842 * testsuite/icf_test.sh: New file.
843 * testsuite/icf_test.cc: New file.
844
c3b65ac4
CD		 8452009-07-24 Chris Demetriou <cgd@google.com>
846
847 * layout.cc (is_compressible_debug_section): Fix incorrect
848 comment about compressed section names.
849
1caf2c51
ILT		 8502009-07-20 Ian Lance Taylor <ian@airs.com>
851
852 PR 10419
853 * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
854
1ef4d87f
ILT		 8552009-07-16 Ian Lance Taylor <iant@google.com>
856
857 PR 10400
858 * layout.h: #include <map>.
859 (class Kept_section): Change from struct to class. Add accessors
860 and setters. Add section size to Comdat_group mapping. Change
861 Comdat_group to std::map. Add is_comdat_ field. Add
862 linkonce_size field in union.
863 (class Layout): Update declaration of find_or_add_kept_section.
864 Don't declare find_kept_object.
865 * layout.cc (Layout::find_or_add_kept_section): Remove candidate
866 parameter. Add object, shndx, is_comdat, and is_group_name
867 parameters. Change all callers. Adjust for new Kept_section.
868 (Layout::find_kept_object): Remove.
869 * object.cc (Sized_relobj::include_section_group): Update use of
870 Kept_section. Rename secnum to shndx. Only record
871 Kept_comdat_section if sections are the same size.
872 (Sized_relobj::include_linkonce_section): Update use of
873 Kept_section. Only record Kept_comdat_section if sections are the
874 same size. Set size of linkonce section.
875 (Sized_relobj::map_to_kept_section): Update call to
876 get_kept_comdat_section.
877 * object.h (class Sized_relobj): Rename fields in
878 Kept_comdat_section to drop trailing underscores; change object
879 field to Relobj*. Change Kept_comdat_section_table to store
880 struct rather than pointer.
881 (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
882 Add kept_object and kept_shndx parameters. Change all callers.
883 (Sized_relobj::get_kept_comdat_section): Change return type to
884 bool. Add kept_object and kept_shndx parameters. Change all
885 callers.
886 * plugin.cc (Pluginobj::include_comdat_group): Update call to
887 Layout::find_or_add_kept_section.
888
37c3b7b0
ILT		 8892009-07-09 Ian Lance Taylor <iant@google.com>
890
891 * merge.cc (Object_merge_map::initialize_input_to_output_map):
892 Reserve space in the hash table.
893
98fa85cb
ILT		 8942009-07-06 Mikolaj Zalewski <mikolajz@google.com>
895
896 * fileread.cc (File_read::get_mtime): New method.
897 * fileread.h (Timespec): New structure.
898 (File_read::get_mtime): New method.
899 * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
900 Renamed from timestamp_nsec.
901 (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
902 Elf_Xword.
903 (Incremental_inputs_entry_write::timestamp_usec): Renamed from
904 timestamp_nsec.
905 (Incremental_inputs::report_archive): Save mtime; style fix.
906 (Incremental_inputs::report_obejct): Save mtime; style fix.
907 (Incremental_inputs::report_script): Save mtime; style fix.
908 (Incremental_inputs::finalize_inputs): Style fix.
909 (Incremental_inputs::finalize): Style fix.
910 (Incremental_inputs::create_input_section_data): Store inputs
911 mtime.
912 * incremental.h (Incremental_inputs::report_script): Add mtime
913 argument.
914 (Incremental_inputs::Input_info::Input_info): Intialize only one
915 union member.
916 (Incremental_inputs::Input_info::archive): Move to nameless
917 union.
918 (Incremental_inputs::Input_info::obejct): Move to nameless union.
919 (Incremental_inputs::Input_info::script): Move to nameless union.
920 (Incremental_inputs::mtime): New field.
921 * script.cc (read_input_script): Pass file mtime to
922 Incremental_input.
923 * script.h (Script_info::inputs): Style fix.
924
c9d70757
ILT		 9252009-07-01 Ian Lance Taylor <ian@airs.com>
926
927 * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
928 instead of 32.
929
9c547ec3
ILT		 9302009-06-24 Ian Lance Taylor <iant@google.com>
931
932 PR 10156
933 * layout.cc (Layout::choose_output_section): If we find an
934 existing section, update the flags.
935 (Layout::create_notes): New function, broken out of
936 Layout::finalize.
937 (Layout::finalize): Don't create note sections.
938 (Layout::create_note): Don't crash if linker script discards
939 section.
940 (Layout::create_gold_note): Likewise.
941 (Layout::create_build_id): Likewise. Don't set
942 after_input_sections on the section.
943 (Layout::create_executable_stack_info): Remove target parameter.
944 Change caller.
945 * layout.h (class Layout): Declare create_notes. Update
946 declaration of create_executable_stack_info.
947 * gold.cc (queue_middle_tasks): Call create_notes.
948 * output.cc (Output_section::update_flags_for_input_section): Move
949 here from output.h. If SHF_ALLOC flag is newly set, mark address
950 invalid.
951 * output.h (Output_data::mark_address_invalid): New function.
952 (class Output_section): Only declare, not define,
953 update_flags_for_input_section. Remove set_flags.
954
55458500
ILT		 9552009-06-24 Ian Lance Taylor <iant@google.com>
956
957 * script-sections.cc (Output_section_definition::
958 set_section_addresses): Rename shadowing local load_address to
959 laddr.
960
1307d6cd
ILT		 9612009-06-24 Ian Lance Taylor <iant@google.com>
962
963 PR 10244
964 * reloc.cc (relocate_sections): Skip empty relocation sections.
965
ec3f783e
ILT		 9662009-06-23 Ian Lance Taylor <iant@google.com>
967
968 PR 10156
969 * layout.cc (Layout::create_note): Use choose_output_section
970 rather than make_output_section.
971
459c9f1c
ILT		 9722009-06-23 Ian Lance Taylor <iant@google.com>
973
974 PR 10237
975 * options.cc (General_options::parse_V): Set printed_version_.
976 (General_options::General_options): Initialize printed_version_.
977 * options.h (class General_options): Add printed_version_ field.
978 * gold.cc (queue_initial_tasks): If there are no input files,
979 don't give a fatal error if we printed the version information.
980 (queue_middle_tasks): If using -r with a shared object, give a
981 fatal error rather than an ordinary error.
982
1518dc8f
ILT		 9832009-06-23 Ian Lance Taylor <iant@google.com>
984
985 PR 10219
986 * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
987 (Layout::make_output_section): Set have_stabstr_section_ if we see
988 a .stab*str section.
989 (Layout::finalize): Call link_stabs_sections.
990 (Layout::link_stabs_sections): New file.
991 * layout.h (class Layout): Add have_stabstr_section_ field.
992 Declare link_stabs_sections.
993
3d857b98
DK		 9942009-06-23 Doug Kwan <dougkwan@google.com>
995
996 * Makefile.am (libgold_a_LIBADD): New.
997 (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
998 * Makefile.in: Regenerate.
999 * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
1000 * configure: Regenerate.
1001 * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
1002 * fileread.cc: Include sys/state.h
1003 * gold.h: Declare memmem and strndup if found missing.
1004 * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
1005
0639a6f6
ILT		 10062009-06-23 Ian Lance Taylor <iant@google.com>
1007
1008 * configure.ac: Call AC_CHECK_DECLS using C, not C++.
1009 * configure: Rebuild.
1010
8d63875c
ILT		 10112009-06-23 Ian Lance Taylor <iant@google.com>
1012
1013 PR 10147
1014 * object.cc (Object::section_contents): Don't try to get a view if
1015 the section has length zero.
1016 (Object::handle_gnu_warning_section): If the section is empty, use
1017 the name of the section as the warning.
1018
f7c8a183
ILT		 10192009-06-23 Ian Lance Taylor <iant@google.com>
1020
1021 PR 10133
1022 * stringpool.h (class Stringpool_template): Add optimize_ field.
1023 (Stringpool_template::set_optimize): New function.
1024 * stringpool.cc (Stringpool_template::Stringpool_template):
1025 Initialize optimize_ field.
1026 (Stringpool_template::set_string_offsets): Test local optimize
1027 fild rather than parameter.
1028 * layout.cc (Layout::Layout): Call set_optimize on the section
1029 name stringpool.
1030
e6a307ba
ILT		 10312009-06-22 Ian Lance Taylor <iant@google.com>
1032
1033 PR 10030
1034 * yyscript.y: Parse TARGET.
1035 * script.cc (script_set_target): New function.
1036 * script-c.h (script_set_target): Declare.
1037 * options.cc (General_options::string_to_object_format): Rename
1038 from string_to_object_format in anonymous namespace. Change
1039 callers.
1040 * options.h (class General_options): Declare
1041 string_to_object_format.
1042
3ee173de
ILT		 10432009-06-22 Ian Lance Taylor <iant@google.com>
1044
1045 * script-sections.cc (Script_sections::create_segments): Don't put
1046 program headers in a PT_LOAD segment if -n or -N.
1047
10482009-06-22 Ian Lance Taylor <iant@google.com>
e1c74d60
ILT		 1049
1050 PR 10141
1051 * options.h (class General_options): Add -z lazy and -z now. Sort
1052 -z options into alphabetical order.
1053 * layout.cc (Layout::finish_dynamic_section): Handle -z now.
1054
cd6739a1 10552009-06-21 Ian Lance Taylor <iant@google.com>
8a5e3e08
ILT		 1056
1057 * layout.cc (Layout::make_output_section): Call
1058 Target::new_output_section.
1059 (Layout::attach_allocated_section_to_segment): Put large section
1060 sections in a separate load segment with the large segment flag
1061 set.
1062 (Layout::segment_precedes): Sort large data segments after other
1063 load segments.
1064 (align_file_offset): New static function.
1065 (Layout::set_segment_offsets): Use align_file_offset.
1066 * output.h (class Output_section): Add is_small_section_ and
1067 is_large_section_ fields.
1068 (Output_section::is_small_section): New function.
1069 (Output_section::set_is_small_section): New function.
1070 (Output_section::is_large_section): New function.
1071 (Output_section::set_is_large_section): New function.
1072 (Output_section::is_large_data_section): New function.
1073 (class Output_segment): Add is_large_data_segment_ field.
1074 (Output_segment::is_large_data_segment): New function.
1075 (Output_segment::set_is_large_data_segment): New function.
1076 * output.cc (Output_section::Output_section): Initialize new
1077 fields.
1078 (Output_segment::Output_segment): Likewise.
1079 (Output_segment::add_output_section): Add assertion that large
1080 data sections always go in large data segments. Force small data
1081 sections to the end of the list of data sections. Force small BSS
1082 sections to the start of the list of BSS sections. For large BSS
1083 sections to the end of the list of BSS sections.
1084 * symtab.h (class Symbol): Declare is_common_shndx.
1085 (Symbol::is_defined): Check Symbol::is_common_shndx.
1086 (Symbol::is_common): Likewise.
1087 (class Symbol_table): Define enum Commons_section_type. Update
1088 declarations. Add small_commons_ and large_commons_ fields.
1089 * symtab.cc (Symbol::is_common_shndx): New function.
1090 (Symbol_table::Symbol_table): Initialize new fields.
1091 (Symbol_table::add_from_object): Put small and large common
1092 symbols in the right list.
1093 (Symbol_table::sized_finalized_symbol): Check
1094 Symbol::is_common_shndx.
1095 (Symbol_table::sized_write_globals): Likewise.
1096 * common.cc (Symbol_table::do_allocate_commons): Allocate new
1097 common symbol lists. Don't call do_allocate_commons_list if the
1098 list is empty.
1099 (Symbol_table::do_allocate_commons_list): Remove is_tls
1100 parameter. Add comons_section_type parameter. Change all
1101 callers. Handle small and large common symbols.
1102 * object.cc (Sized_relobj::do_finalize_local_symbols): Check
1103 Symbol::is_common_shndx.
1104 * resolve.cc (symbol_to_bits): Likewise.
1105 * target.h (Target::small_common_shndx): New function.
1106 (Target::small_common_section_flags): New function.
1107 (Target::large_common_shndx): New function.
1108 (Target::large_common_section_flags): New function.
1109 (Target::new_output_section): New function.
1110 (Target::Target_info): Add small_common_shndx, large_common_shndx,
1111 small_common_section_flags, and large_common_section_flags
1112 fields.
1113 (Target::do_new_output_section): New virtual function.
1114 * arm.cc (Target_arm::arm_info): Initialize new fields.
1115 * i386.cc (Target_i386::i386_info): Likewise.
1116 * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
1117 Likewise.
1118 * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
1119 * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
1120 (Target_x86_64::do_new_output_section): New function.
1121 * configure.ac: Define conditional MCMODEL_MEDIUM.
1122 * testsuite/Makefile.am (check_PROGRAMS): Add large.
1123 (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
1124 (large_LDFLAGS): Define.
1125 * testsuite/large.c: New file.
1126 * testsuite/testfile.cc (Target_test::test_target_info):
1127 Initialize new fields.
1128 * configure, testsuite/Makefile.in: Rebuild.
1129
bb04269c
DK		 11302009-06-05 Doug Kwan <dougkwan@google.com>
1131
1132 * Makefile.am (CCFILES): Add target.cc.
1133 * Makefile.in: Regenerate.
1134 * i386.cc (class Target_i386): Define new virtual method to
1135 override do_is_local_label_name in parent.
1136 * object.cc (Sized_relobj::do_count_local_symbols): Discard
1137 local symbols if --discard-locals or -X is given.
1138 * options.h (class General_options): Declare new options
1139 '--discard-locals' and '-X' for discarding locals.
1140 * target.h (class Target): Define new methods is_local_label_name.
1141 Declare new virtual method do_is_local_label_name.
1142 * target.cc: New file.
1143 * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
1144 (check_SCRIPTS): Add discard_locals_test.sh.
1145 (check_DATA): Add discard_local_tests.syms.
1146 (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
1147 (discard_local_tests.syms, discard_locals_test.o): New make rules.
1148 * testsuite/Makefile.in: Regenerate.
1149 * testsuite/discard_locals_test.c: New file.
1150 * testsuite/discard_locals_test.sh: Same.
1151
805bb01c
DK		 11522009-06-05 Doug Kwan <dougkwan@google.com>
1153
1154 * object.cc (Sized_relobj::Sized_relobj): Initialize
1155 discarded_eh_frame_shndx_ to -1U.
1156 (Sized_relobj::do_layout): Record index of a discard .eh_frame
1157 section.
1158 (Sized_relobj::do_count_local_symbols): Skip local symbols in
1159 a discarded .eh_frame section.
1160 (Sized_relobj::do_finalize_local_symbols): Ditto.
1161 * object.h (class Sized_relobj): Declare new member
1162 discarded_eh_frame_shndx_.
1163 * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
1164 (local_labels_test.o, local_labels_test): New rules.
1165 * testsuite/Makefile.in: Regenerate.
1166
1dcd334d
DK		 11672009-06-04 Doug Kwan <dougkwan@google.com>
1168
1169 * layout.cc (Layout::section_name_mapping): Add mapping for
1170 special ARM sections.
1171
96d49306
DK		 11722009-06-03 Doug Kwan <dougkwan@google.com>
1173
1174 * arm.cc (utils::sign_extend): Reverse test in gold_assert.
1175 (utils::has_overflow): Same.
1176
dff16297
ILT		 11772009-06-03 Ian Lance Taylor <iant@google.com>
1178
1179 * layout.cc (Layout::section_name_mapping): New array, replacing
1180 Layout::linkonce_mapping.
1181 (Layout::section_name_mapping_count): New variable, replacing
1182 Layout::linkonce_mapping_count.
1183 (Layout::linkonce_output_name): Remove.
1184 (Layout::output_section_name): Rewrite.
1185 * layout.h (class Layout): Rename Linkonce_mapping to
1186 Section_name_mapping, linkonce_mapping to section_name_mapping,
1187 linkonce_mapping_count to section_name_mapping_count. Don't
1188 declare linkonce_output_name.
1189
c121c671
DK		 11902009-06-03 Doug Kwan <dougkwan@google.com>
1191
1192 * gold/arm.cc (namespace utils): New.
1193 (Target_arm::reloc_is_non_pic): Define new method.
1194 (class Arm_relocate_functions): New.
1195 (Target_arm::Relocate::relocate): Handle relocation types used by
1196 Android.
1197
07800fab
ILT		 11982009-06-03 Ian Lance Taylor <iant@google.com>
1199
1200 * arm.cc (Target_arm::scan::global): Use || instead of |.
1201
c121c671
DK		 12022009-06-02 Doug Kwan <dougkwan@google.com>
1203
1204 * gold/arm.cc (Target_arm::Scan::Scan): Initialize
1205 issued_non_pic_error_.
1206 (class Target_arm::Scan): Declare new method check_non_pic.
1207 Define new method symbol_needs_plt_entry.
1208 Declare new data member issued_non_pic_error_.
1209 (class Target_arm::Relocate): Declare new method
1210 should_apply_static_reloc.
1211 (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
1212 (Target_arm::Scan::check_non_pic): Define new method.
1213 (Target_arm::Scan::local): Handle a small subset of reloc types used
1214 by Android.
1215 (Target_arm::Scan::local): Same.
1216 (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
1217
b19b0c6d
ILT		 12182009-05-31 Mikolaj Zalewski <mikolajz@google.com>
1219
1220 * incremental.cc (Incremental_inputs::report_command_line): Filter
1221 out --incremental-* options.
1222
94cdfcff
DK		 12232009-05-29 Doug Kwan <dougkwan@google.com>
1224
1225 * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
1226 template class.
1227 (class Target_arm): Update comment.
1228 (Target_arm::Target_arm): Initialize new data members GOT_,
1229 PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
1230 Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
1231 and Target_arm::rel_dyn_section.
1232 Declare new_enum Target_arm::Got_type.
1233 Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
1234 and DYNBSS_.
1235 Update commments for member do_dynsym_value.
1236 (Target_arm::got_size, Target_arm::plt_section,
1237 Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
1238 new methods inside class defintion.
1239 (Target_arm::got_section): Define new method.
1240 (Target_arm::rel_dyn_section): Same.
1241 (Output_data_plt_arm): New template class.
1242 (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
1243 (Output_data_plt_arm:do_adjust_output_section): Define new method.
1244 (Output_data_plt_arm::add_entry): Same.
1245 (Output_data_plt_arm::first_plt_entry): Define new
1246 static data member for PLT instruction template.
1247 (Output_data_plt_arm::plt_entry): Same.
1248 (Output_data_plt_arm::do_write): Define new method.
1249 (Target_arm::make_plt_entry): Same.
1250 (Target_arm::do_finalize_sections): Same.
1251 (Target_arm::do_dynsym_value): Same.
1252
4a657b0d
DK		 12532009-05-28 Doug Kwan <dougkwan@google.com>
1254
1255 * Makefile.am (TARGETSOURCES): Add arm.cc.
1256 (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
1257 * Makefile.in: Regenerate.
1258 * arm.cc: New file.
1259 * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
1260
e7ae8c36
DK		 12612009-05-26 Doug Kwan <dougkwan@google.com>
1262
1263 * options.cc (General_options::parse_exclude_libs). Fix a comment.
1264 (General_options::check_excluded_libs): Strip off directories in
1265 archive name before matching like GNU ld does.
1266 * testsuite/Makefile.am (MOSTLYCLEANFILES,
1267 exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
1268 (exclude_libs_test_LDFLAGS): Add linker option
1269 -Wl,--exclude-libs,libexclude_libs_test_3
1270 (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
1271 an explicit archive without using -l.
1272 (alt/libexclude_libs_test_3.a): New make rule.
1273 * testsuite/Makefile.in: Regenerate.
1274 * testsuite/exclude_libs_test.c : Declare lib3_default().
1275 (main): Call it.
1276 * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
1277 * exclude_libs_test_3.c: New file.
1278
f12e7348
NC		 12792009-05-26 Nick Clifton <nickc@redhat.com>
1280
1281 * po/id.po: New Indonesian translation.
1282 * po/gold.pot: Updated template file.
1283
4daadc0d
ST		 12842009-05-22 Sriraman Tallam <tmsriram@google.com>
1285
1286 * testsuite/Makefile.am: Add -ffunction-sections to compile
1287 gc_comdat_test files. Add -Wl,--gc-sections to build
1288 gc_comdat_test.
1289 * testsuite/Makefile.in: Regenerate.
1290 * testsuite/gc_comdat_test.sh: Fix the condition around grep.
1291
531813ad
ST		 12922009-05-21 Sriraman Tallam <tmsriram@google.com>
1293
1294 * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
1295 kept comdat section was garbage collected.
1296 * testsuite/Makefile.am: Add test gc_comdat_test.sh.
1297 * testsuite/Makefile.in: Regenerate.
1298 * testsuite/gc_comdat_test.sh: New file.
1299 * testsuite/gc_comdat_test_1.cc: New file.
1300 * testsuite/gc_comdat_test_2.cc: New file.
1301
65514900
CC		 13022009-05-19 Doug Kwan <dougkwan@google.com>
1303
1304 * archive.cc (Archive::Archive): Move constructor from archive.h
1305 to here. Initialize no_export_.
1306 (Archive::get_elf_object_for_member): Set no_export flag of object.
1307 * archive.h (Archive::Archive): Move constructor body to
1308 archive.cc.
1309 (Archive::no_export): New method.
1310 (Archive::no_export_): New field.
1311 * object.h (Object::Object): Initialize no_export_ to false.
1312 (Object::no_export, Object::set_no_export): New methods.
1313 (Object::no_export_): New field.
1314 * options.cc (General_options::parse_exclude_libs): New method.
1315 (General_options::check_excluded_libs) Same.
1316 * options.h (exclude_libs): New option.
1317 (General_options::check_excluded_libs): New method declaration.
1318 (General_options::excluded_libs_): New field.
1319 * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
1320 default or protected visibility if an object has no-export flag set.
1321 testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
1322 (check_SCRIPTS): Add exclude_libs_test.sh.
1323 (check_DATA): Add exclude_libs_test.syms.
1324 (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
1325 libexclude_libs_test_1.a and libexclude_libs_test_2.a.
1326 (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
1327 exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
1328 (exclude_libs_test.syms, libexclude_libs_test_1.a,
1329 libexclude_libs_test_2.a): New rules.
1330 * testsuite/Makefile.in: Regenerate.
1331 * testsuite/exclude_libs_test.c: New file.
1332 * testsuite/exclude_libs_test.sh: Ditto.
1333 * testsuite/exclude_libs_test_1.c: Ditto.
1334 * testsuite/exclude_libs_test_2.c: Ditto.
1335
1b77ea50
ILT		 13362009-05-15 Ian Lance Taylor <iant@google.com>
1337
1338 * configure.ac: Check for declarations for cases where libiberty.h
1339 checks HAVE_DECL_xxx.
1340 * configure, config.in: Rebuild.
1341
072fe7ce
ILT		 13422009-05-15 Mikolaj Zalewski <mikolajz@google.com>
1343
1344 * gold.h (Incremental_argument_list): Remove (invalid) forward
1345 declaration.
1346 * incremental.cc (Incremental_inputs::report_achive): New method.
1347 (Incremental_inputs::report_object): New method.
1348 (Incremental_inputs::report_script): New method.
1349 (Incremental_inputs::finalize_inputs): New method.
1350 (Incremental_inputs::finalize): Call finalize_inputs().
1351 (Incremental_inputs::sized_create_incremental_inputs_section_data):
1352 Create inputs entries.
1353 * incremental.h (Incremental_input_type): New enum.
1354 (Incremental_inputs::Incremental_input): Initialize new fields.
1355 (Incremental_inputs::report_inputs): New method.
1356 (Incremental_inputs::report_achive): New method.
1357 (Incremental_inputs::report_object): New method.
1358 (Incremental_inputs::report_script): New method.
1359 (Incremental_inputs::finalize_inputs): New method.
1360 (Incremental_inputs::Input_info): New struct.
1361 (Incremental_inputs::Input_info_map): New typedef.
1362 (Incremental_inputs::lock_): New field.
1363 (Incremental_inputs::Inputs_): New field.
1364 (Incremental_inputs::Inputs_map): New field.
1365 * main.cc (main): Call Incremental_input::report_inputs.
1366 * options.h (Input_argument_list): Typedef moved from
1367 Input_arguments.
1368 (Input_file_group::Files): Remove, use ::Input_argument_list.
1369 (Input_file_group::Input_argument_list): Remove, use
1370 ::Input_argument_list.
1371 * plugin.cc (Plugin_manager::add_input_file): Add error in
1372 incremental build.
1373 * read_syms.cc (do_read_syms): Call Incremental_input::report_*
1374 functions.
1375 * script.cc (read_input_script): Call
1376 Incremental_input::report_script.
1377 * script.h (Script_info): New class.
1378
b0481b0b
ILT		 13792009-04-27 Ian Lance Taylor <iant@google.com>
1380
1381 * x86_64.cc (do_adjust_output_section): Set entsize to
1382 plt_entry_size.
1383
b22a5a41 13842009-04-23 Elliott Hughes <enh@google.com>
6d1e3092
CD		 1385
1386 * output.cc (Output_file::close): After short writes, continue
1387 writing from the correct offset in the buffer being written.
1388
40fde488
CD		 13892009-04-23 Chris Demetriou <cgd@google.com>
1390
1391 * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
1392 * configure: Regenerate.
1393 * config.in: Regenerate.
1394 * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
1395 if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
1396
3ce2c28e
ILT		 13972009-04-21 Mikolaj Zalewski <mikolajz@google.com>
1398
1399 * incremental.cc (Incremental_inputs_header_data): Renamed from
1400 Incremental_input_header_data.
1401 (Incremental_inputs_header_data::data_size): New field.
1402 (Incremental_inputs_header_data::put_input_file_count): Renamed
1403 from input_file_count.
1404 (Incremental_inputs_header_data::put_command_line_offset): Renamed
1405 from command_line_offset.
1406 (Incremental_inputs_header_data::put_reserved): Renamed from
1407 put_reserved.
1408 (Incremental_inputs_entry_data): Renamed from
1409 Incremental_input_entry_data.
1410 (Incremental_inputs_entry_data::data_size): New field.
1411 (Incremental_inputs::report_command_line): New method.
1412 (Incremental_inputs::finalize): New method.
1413 (Incremental_inputs::create_incremental_inputs_data): New method.
1414 (Incremental_inputs::sized_create_incremental_inputs_data): New method.
1415 * incremental.h: New file.
1416 * layout.cc (Layout::Layout): Handle new incremental_inputs_.
1417 (Layout::finalize): Create incremental inputs section in
1418 incremental builds.
1419 (Layout::create_incremental_info_sections): New method.
1420 * layout.h (Layout::incremental_inputs): New method.
1421 (Layout::create_incremental_info_sections): New method.
1422 (Layout::incremental_inputs_): New field.
1423 * main.cc (main): Notify Incremental_input of the command line.
1424
e55bde5e
ILT		 14252009-04-01 Ian Lance Taylor <iant@google.com>
1426 Mikolaj Zalewski <mikolajz@google.com>
1427
1428 * gold.h (reserve_unordered_map): Define, three versions, one for
1429 each version of Unordered_map.
1430 * layout.cc (Layout::Layout): Remove options parameter. Add
1431 number_of_input_files parameter. Don't initialize options_.
1432 Initialize number_of_input_files_ and resized_signatures_. Move
1433 sections_are_attached_.
1434 (Layout::layout_group): Reserve space for group_signatures_.
1435 (Layout::find_or_add_kept_section): Change name parameter to be a
1436 reference. Resize signatures_ map when it gets large enough.
1437 (Layout::layout_eh_frame): Use parameters->options() instead of
1438 this->options_.
1439 (Layout::make_output_section): Likewise.
1440 (Layout::attach_allocated_section_to_segment): Likewise.
1441 (Layout::finalize, Layout::create_executable_stack): Likewise.
1442 (Layout::set_segment_offsets, Layout::create_interp): Likewise.
1443 (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
1444 * layout.h (class Layout): Update declarations. Remove options_
1445 field. Add number_of_input_files_ and resized_signatures_
1446 fields. Move sections_are_attached_ field.
1447 * main.cc (main): Pass number of input files to Layout
1448 constructor. Don't pass options.
1449
154b857c
ILT		 14502009-03-30 Ian Lance Taylor <iant@google.com>
1451
1452 * ffsll.c (ffsll): Correct implementation.
1453
2f35ab9b
ILT		 14542009-03-27 Ian Lance Taylor <iant@google.com>
1455
fd03461a
ILT		 1456 * ffsll.c: New file.
1457 * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
1458 * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
1459 * ftruncate.c (ftruncate): Declare before definition.
1460 * mremap.c (mremap): Likewise.
1461 * pread.c (pread): Likewise.
1462 * configure, Makefile.in, config.in: Rebuild.
1463
2f35ab9b
ILT		 1464 * mremap.c: New file.
1465 * configure.ac: Call AC_REPLACE_FUNCS on mremap.
1466 * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
1467 (mremap): Declare if HAVE_MREMAP is not defined.
1468 * configure, Makefile.in, config.in: Rebuild.
1469
33aea2fd
CC		 14702009-03-27 Cary Coutant <ccoutant@google.com>
1471
1472 * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
1473 position independent.
1474 * sparc.cc (Target_sparc::check_non_pic): Likewise.
1475 * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
1476
6d479619
CC		 14772009-03-24 Cary Coutant <ccoutant@google.com>
1478
1479 * symtab.h (needs_plt_entry): Check for unsatisfied reference from
1480 an executable.
1481 (needs_dynamic_reloc): Likewise.
1482
afc06bb8
ILT		 14832009-03-24 Ian Lance Taylor <iant@google.com>
1484
1485 * yyscript.y (file_cmd): Recognize EXTERN.
1486 (extern_name_list, extern_name_list_body): New nonterminals.
1487 * script.cc (script_add_extern): Define.
1488 * script-c.h (script_add_extern): Declare.
1489
f6060a4d
ILT		 14902009-03-24 Rafael Avila de Espindola <espindola@google.com>
1491
1492 * object.cc (is_elf_object): Define.
1493 * object.h (is_elf_object): Declare.
1494 * archive.cc (Archive::get_elf_object_for_member): Call
1495 is_elf_object.
33aea2fd 1496 * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
f6060a4d 1497
26736d8e
ILT		 14982009-03-24 Elliott Hughes <enh@google.com>
1499
1500 * output.cc (Output_file::map_anonymous): Define.
1501 (Output_file::map): Use map_anonymous. If the regular mmap fails,
1502 try an anonymous one. Report the size if the mmap fails.
1503 * output.h (class Output_file): Declare map_anonymous.
1504
22fd9730
ILT		 15052009-03-24 Ian Lance Taylor <iant@google.com>
1506
1507 * target-select.cc (instantiate_target): Don't acquire the lock if
1508 the instantiated_target_ field has already been set.
1509
cb010894
ILT		 15102009-03-23 Ian Lance Taylor <iant@google.com>
1511
7f055c20
ILT		 1512 * gold-threads.h (class Initialize_lock): Define.
1513 * gold-threads.cc (class Initialize_lock_once): Define.
1514 (initialize_lock_control): New static variable.
1515 (initialize_lock_pointer): New static variable.
1516 (initialize_lock_once): New static function.
1517 (Initialize_lock::Initialize_lock): Define.
1518 (Initialize_lock::initialize): Define.
1519 * target-select.h: Include "gold-threads.h".
1520 (class Target_selector): Add lock_ and initialize_lock_ fields.
1521 Don't define instantiate_target, just declare it.
1522 * target-select.cc (Target_selector::Target_selector): Initialize
1523 new fields.
1524 (Target_selector::instantiate_target): Define.
1525 * descriptors.h: Include "gold-threads.h".
1526 (class Descriptors): Add initialize_lock_ field.
1527 * descriptors.cc (Descriptors::Descriptors): Initialize new
1528 field.
1529 (Descriptors::open): Use initialize_lock_ field
1530 * errors.h (class Errors): Add initialize_lock_ field.
1531 * errors.cc (Errors::Errors): Initialize new field.
1532 (Errors::initialize_lock): Use initialize_lock_ field.
1533 * powerpc.cc (class Target_selector_powerpc): Remove
1534 instantiated_target_ field. In do_recognize call
1535 instantiate_target rather than do_instantiate_target. In
1536 do_instantiate_target just allocate a new target.
1537 * sparc.cc (class Target_selector_sparc): Likewise.
1538
36959681
ILT		 1539 * freebsd.h: New file.
1540 * i386.cc: Include "freebsd.h".
1541 (Target_i386): Derive from Target_freebsd rather than
1542 Sized_target.
1543 (Target_selector_i386): Derive from Target_selector_freebsd rather
1544 than Target_selector.
1545 * x86_64.cc: Include "freebsd.h".
1546 (Target_x86_64): Derive from Target_freebsd rather than
1547 Sized_target.
1548 (Target_selector_x86_64): Derive from Target_selector_freebsd
1549 rather than Target_selector.
1550 * target.h (class Target): Add adjust_elf_header and
1551 do_adjust_elf_header.
1552 * output.cc (Output_file_header:: do_sized_write): Call target
1553 adjust_elf_header routine.
1554 * configure.tgt: Set targ_osabi.
1555 * configure.ac: Define GOLD_DEFAULT_OSABI.
1556 * parameters.cc (Parameters::default_target): Pass
1557 GOLD_DEFAULT_OSABI to select_target.
1558 * target-select.h (class Target_selector): Make instantiate_target
1559 protected rather than private.
1560 * Makefile.am (HFILES): Add freebsd.h.
1561 * configure, Makefile.in, config.in: Rebuild.
1562
cb010894
ILT		 1563 * merge.cc (do_add_input_section): Correct pend value. Change
1564 message about last entry not being null terminated from error to
1565 warning.
1566
0e879927
ILT		 15672009-03-20 Mikolaj Zalewski <mikolajz@google.com>
1568
1569 * incremental.cc: New file.
1570 * Makefile.am (CCFILES): Add incremental.cc.
1571 * Makefile.in: Rebuild.
1572
41105937
PP		 15732009-03-19 Paul Pluzhnikov <ppluzhnikov@google.com>
1574
1575 * layout.cc (Layout::output_section_name): Preserve names
1576 of '.note.' sections.
1577
60439920
ILT		 15782009-03-19 Ian Lance Taylor <iant@google.com>
1579
1580 * descriptors.cc (Descriptors::open): Check that the options are
1581 valid before using them.
1582
0d371ad3
ILT		 15832009-03-18 Ian Lance Taylor <iant@google.com>
1584
1585 * script-sections.h: Include <list>.
1586 (class Script_sections): Change Sections_elements from std::vector
1587 to std::list. Typedef public Elements_iterator. Add
1588 orphan_section_placement_, data_segment_align_start_, and
1589 saw_data_segment_align_ fields. Remove data_segment_align_index_
1590 field.
1591 * script-sections.cc (class Orphan_section_placement): New class.
1592 (class Sections_element): Add virtual functions is_relro and
1593 orphan_section_init. Remove virtual function place_orphan_here.
1594 (class Output_section_definition): Add is_relro and
1595 orphan_section_init. Remove place_orphan_here.
1596 (class Orphan_output_section): Likewise.
1597 (Script_sections::Script_sections): Update for field changes.
1598 (Script_sections::data_segment_align): Set saw_data_segment_align_
1599 and data_segment_align_start_, not data_segment_align_index.
1600 (Script_sections::data_segment_relro_end): Check
1601 saw_data_segment_align_. Use data_segment_align_start_ rather
1602 than data_segment_align_index_.
1603 (Script_sections::place_orphan): Rewrite to use
1604 Orphan_section_placement.
1605
9201d894
ILT		 16062009-03-17 Ian Lance Taylor <iant@google.com>
1607
9c5b8369
ILT		 1608 * archive.cc (Archive::add_symbols): Check for a version attached
1609 to the symbol name in the archive map.
1610 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
1611 (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
1612 (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
1613 (ver_test_11.a): New target.
1614 * testsuite/Makefile.in: Rebuild.
1615
9201d894
ILT		 1616 * configure.ac: Check for chsize and posix_fallocate. Replace
1617 ftruncate.
1618 * ftruncate.c: New file, from gnulib.
1619 * output.cc (posix_fallocate): Define dummy version if not
1620 HAVE_POSIX_FALLOCATE.
1621 (Output_file::map): Call posix_fallocate rather than lseek and
1622 write.
1623 * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
1624 * configure, Makefile.in, config.in: Rebuild.
1625
ef4ab7a8
PP		 16262009-03-17 Paul Pluzhnikov <ppluzhnikov@google.com>
1627
1628 * layout.h (Layout::create_note): Add section_name parameter.
1629 * layout.cc (Layout::create_note): Likewise.
1630 (Layout::create_build_id, Layout::create_gold_note): Fix callers.
1631
8c500701
ILT		 16322009-03-17 Ian Lance Taylor <iant@google.com>
1633
e85b18e1
ILT		 1634 * descriptors.cc: Include "options.h".
1635 (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
1636 (Descriptors::open): Always use O_CLOEXEC when opening a new
1637 descriptor. If we have a plugin, and O_CLOEXEC was not defined,
1638 then set FD_CLOEXEC.
1639
9efe6174
ILT		 1640 * sparc.cc (class Target_sparc): Add has_got_section.
1641 (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
1642 make sure we have a GOT section.
1643
1644 * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
1645 (Target_sparc::Scan::local): Likewise.
1646 (Target_sparc::Scan::global): Likewise.
1647 (Target_sparc::Relocate::relocate): Likewise.
1648 (Target_sparc::Relocate::relocate_tls): Likewise.
1649
8c500701
ILT		 1650 * symtab.cc (Symbol_table::define_default_version): New function,
1651 broken out of add_from_object.
1652 (Symbol_table::add_from_object): Call define_default_version.
1653 (Symbol_table::define_special_symbol): Add resolve_oldsym
1654 parameter. Change all callers. If the version for a symbol comes
1655 from a version script, resolve it with the symbol with the same
1656 name with no version. Also add the symbol without a version if
1657 appropriate.
1658 (do_define_in_output_data): If resolving with oldsym, don't delete
1659 sym.
1660 (do_define_in_output_segment): Likewise.
1661 (do_define_as_constant): Likewise.
1662 * symtab.h (class Symbol_table): Update declarations.
1663
f1ed28fb
ILT		 16642009-03-13 Ian Lance Taylor <iant@google.com>
1665
15f8229b
ILT		 1666 * readsyms.cc (Read_symbols::incompatible_warning): New function.
1667 (Read_symbols::requeue): New function.
1668 (Read_symbols::do_read_symbols): If make_elf_object fails because
1669 the target type is not configured, and the file was searched for,
1670 issue a warning and retry with the next directory.
1671 (Add_symbols::run): If the file has an incompatible format, and
1672 it was searched for, requeue the Read_symbols task. On error,
1673 release the object.
1674 * readsyms.h (class Read_symbols): Add dirindex_ field. Add
1675 dirindex parameter to constructor. Change all callers. Declare
1676 incompatible_warning and requeue.
1677 (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
1678 input_argument_ and input_group_ fields. Add them to
1679 constructor. Change all callers.
1680 (class Read_script): Add dirindex_ field. Add it to constructor.
1681 Change all callers.
1682 * archive.cc (Archive::setup): Remove input_objects parameter.
1683 Change all callers.
1684 (Archive::get_file_and_offset): Likewise.
1685 (Archive::read_all_symbols): Likewise.
1686 (Archive::read_symbols): Likewise.
1687 (Archive::get_elf_object_for_member): Remove input_objects
1688 parameter. Add punconfigured parameter. Change all callers.
1689 (Archive::add_symbols): Change return type to bool. Check return
1690 value of include_member.
1691 (Archive::include_all_members): Likewise.
1692 (Archive::include_member): Change return type to bool. Return
1693 false if first included object has incompatible target. Set
1694 included_member_ field.
1695 (Add_archive_symbols::run): If add_symbols returns false, requeue
1696 Read_symbols task.
1697 * archive.h (class Archive): Add included_member_ field.
1698 Initialize it in constructor. Add input_file and searched_for
1699 methods. Update declarations.
1700 (class Add_archive_symbols): Add dirpath_, dirindex_, and
1701 input_argument_ fields. Add them to constructor. Change all
1702 callers.
1703 * script.cc: Include "target-select.h".
1704 (class Parser_closure): Add skip_on_incompatible_target_ and
1705 found_incompatible_target_ fields. Add
1706 skip_on_incompatible_target parameter to constructor. Change all
1707 callers. Add methods skip_on_incompatible_target,
1708 clear_skip_on_incompatible_target, found_incompatible_target, and
1709 set_found_incompatible_target.
1710 (read_input_script): Add dirindex parameter. Change all callers.
1711 If parser finds an incompatible target, requeue Read_symbols
1712 task.
1713 (script_set_symbol): Clear skip_on_incompatible_target in
1714 closure.
1715 (script_add_assertion, script_parse_option): Likewise.
1716 (script_start_sections, script_add_phdr): Likewise.
1717 (script_check_output_format): New function.
1718 * script.h (read_input_script): Update declaration.
1719 * script-c.h (script_check_output_format): Declare.
1720 * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
1721 (ignore_cmd): Remove OUTPUT_FORMAT.
1722 * fileread.cc (Input_file::Input_file): Add explicit this.
1723 (Input_file::will_search_for): New function.
1724 (Input_file::open): Add pindex parameter. Change all callers.
1725 * fileread.h (class Input_file): Add input_file_argument method.
1726 Declare will_search_for. Update declarations.
1727 * object.cc (make_elf_object): Add punconfigured parameter.
1728 Change all callers.
1729 * object.h (class Object): Make input_file public. Add
1730 searched_for method.
1731 (make_elf_object): Update declaration.
1732 * dirsearch.cc (Dirsearch::find): Add pindex parameter. Use it to
1733 restart search.
1734 * dirsearch.h (class Dirsearch): Update declaration.
1735 * options.h (class General_options): Add --warn-search-mismatch.
1736 * parameters.cc (Parameters::is_compatible_target): New function.
1737 * parameters.h (class Parameters): Declare is_compatible_target.
1738 * workqueue.cc (Workqueue::add_blocker): New function.
1739 * workqueue.h (class Workqueue): Declare add_blocker.
1740
f1ed28fb
ILT		 1741 * fileread.cc (Input_file::open): Remove options parameter.
1742 Change all callers.
1743 (Input_file::open_binary): Likewise.
1744 * script.cc (read_input_script): Likewise.
1745 * readsyms.h (class Read_symbols): Remove options_ field. Remove
1746 options parameter from constructor. Change all callers.
1747 (class Read_script): Likewise.
1748 * fileread.h (class Input_file): Update declarations.
1749 * script.h (read_input_script): Update declaration.
1750
34dd024a
NC		 17512009-03-10 Nick Clifton <nickc@redhat.com>
1752
1753 * po/es.po: New Spanish translation.
1754
6d71b17c
CC		 17552009-03-06 Cary Coutant <ccoutant@google.com>
1756
1757 * options.cc (parse_short_option): Keep dash_z from registering itself.
1758
031cdbed
ILT		 17592009-03-03 Ian Lance Taylor <iant@google.com>
1760
1761 PR 9918
1762 * target-reloc.h (relocate_section): Pass output_section to
1763 relocate.
1764 * i386.cc (Target_i386::should_apply_static_reloc): Add
1765 output_section parameter. Change all callers.
1766 (Target_i386::Relocate::relocate): Add output_section parameter.
1767 * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
1768 * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
1769 * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
1770 * testsuite/two_file_shared.sh: New script.
1771 * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
1772 (check_DATA): Add two_file_shared.dbg.
1773 (two_file_shared.dbg): New target.
1774 * testsuite/Makefile.in: Rebuild.
1775
15d5fa16
ILT		 17762009-03-01 Ian Lance Taylor <iant@google.com>
1777
1778 * configure.ac: Check for byteswap.h.
1779 * configure: Rebuild.
1780 * config.in: Rebuild.
1781
8a4c0b0d
ILT		 17822009-03-01 Mikolaj Zalewski <mikolajz@google.com>
1783
1784 * layout.cc (Layout::find_or_add_kept_section): New function.
1785 (Layout::add_comdat): Removed.
1786 * layout.h (struct Kept_section): Move out of class Layout.
1787 Remove trailing underscores from field names. Add group_sections
1788 field. Rename group_ field to is_group. Change all uses.
1789 (class Layout): Declare find_or_add_kept_section, not add_comdat.
1790 * object.cc (Sized_relobj::Sized_relobj): Don't initialize
1791 comdat_groups_ field.
1792 (Sized_relobj::include_section_group): Use
1793 find_or_add_kept_section and Kept_section::group_sections.
1794 (Sized_relobj::include_linkonce_section): Likewise.
1795 * object.cc (class Sized_relobj): Don't define Comdat_group or
1796 Comdat_group_table. Remove find_comdat_group and
1797 add_comdat_group. Remove comdat_groups_ field.
1798 * plugin.cc (include_comdat_group): Use
1799 Layout::find_or_add_kept_section.
1800
b4ecf66b
ILT		 18012009-02-28 Ian Lance Taylor <iant@google.com>
1802
14359ca0
ILT		 1803 * README: --gc-sections and map files are now supported. Document
1804 some build requirements.
1805
b4ecf66b
ILT		 1806 PR 6992
1807 * symtab.cc (Symbol_table::sized_write_section_symbol): In a
1808 relocatable link set the value of the section symbol to zero.
1809 * object.cc (Sized_relobj::do_finalize_local_symbols): In a
1810 relocatable link don't include the section address in the local
1811 symbol value.
1812
0602e05a
ILT		 18132009-02-27 Ian Lance Taylor <iant@google.com>
1814
fd9d194f
ILT		 1815 PR 6811
1816 * options.h (class Search_directory): Add is_system_directory.
1817 (class General_options): Declare is_in_system_directory.
1818 * options.cc (get_relative_sysroot): Make static.
1819 (get_default_sysroot): Make static.
1820 (General_optoins::is_in_system_directory): New function.
1821 * fileread.cc (Input_file::is_in_system_directory): New function.
1822 * fileread.h (class Input_file): Declare is_in_system_directory.
1823 * object.h (class Object): Add is_in_system_directory.
1824 (class Input_objects): Remove system_library_directory_ field.
1825 * object.cc (Input_objects::add_object): Don't set
1826 system_library_directory_.
1827 (input_objects::found_in_system_library_directory): Remove.
1828 * symtab.cc (Symbol_table::write_globals): Remove input_objects
1829 parameter. Change all callers.
1830 (Symbol_table::sized_write_globals): Likewise.
1831 (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
1832 Call Object::is_in_system_directory.
1833 * symtab.h (class Symbol_table): Update declarations.
1834
61edd21f
ILT		 1835 PR 5990
1836 * descriptors.h (Open_descriptor): Add is_on_stack field.
1837 * descriptors.cc (Descriptors::open): If the descriptor is on the
1838 top of the stack, remove it. Initialize is_on_stack field.
1839 (Descriptors::release): Only add pod to stack if it is not on the
1840 stack already.
1841 (Descriptors::close_some_descriptor): Clear stack_next and
1842 is_on_stack fields.
1843
e29e076a
ILT		 1844 PR 7091
1845 * output.cc (Output_section::find_starting_output_address): Rename
1846 from starting_output_address; add PADDR parameter; change return
1847 type.
1848 * output.h (class Output_section): Declare
1849 find_starting_output_address instead of starting_output_address.
1850 * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
1851 section symbol for which we can't find a merge section.
1852
0602e05a
ILT		 1853 PR 9836
1854 * symtab.cc (Symbol_table::add_from_object): If the visibility is
1855 hidden or internal, force the symbol to be local.
1856 * resolve.cc (Symbol::override_visibility): Define.
1857 (Symbol::override_base): Use override_visibility.
1858 (Symbol_table::resolve): Likewise.
1859 (Symbol::override_base_with_special): Likewise.
1860 (Symbol_table::override_with_special): If the visibility is hidden
1861 or internal, force the symbol to be local.
1862 * symtab.h (class Symbol): Add set_visibility and
1863 override_visibility.
1864 * testsuite/ver_test_1.sh: New file.
1865 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
1866 (check_DATA): Add ver_test_1.syms.
1867 (ver_test_1.syms): New target.
1868 * testsuite/Makefile.in: Rebuild.
1869
401a9a73
CC		 18702009-02-25 Cary Coutant <ccoutant@google.com>
1871
1872 * layout.cc (Layout::choose_output_section): Don't rename sections
1873 when using a linker script that has a SECTIONS clause.
1874 * Makefile.in: Regenerate.
1875
1876 * testsuite/Makefile.am (script_test_5.sh): New test case.
1877 * testsuite/Makefile.in: Regenerate.
1878 * testsuite/script_test_5.cc: New file.
1879 * testsuite/script_test_5.sh: New file.
1880 * testsuite/script_test_5.t: New file.
1881
f488e4b0
CC		 18822009-02-13 Rafael Avila de Espindola <espindola@google.com>
1883
1884 * archive.cc (Archive::include_member): Update calls to add_symbols.
1885 * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
1886 the Layout argument.
1887 * dynobj.h (do_add_symbols): Add the Layout argument.
1888 * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
1889 Layout argument.
1890 * object.h (Object::add_symbols): Add the Layout argument.
1891 (Object::do_add_symbols): Add the Layout argument.
1892 (Sized_relobj::do_add_symbols): Add the Layout argument.
1893 * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
1894 Unify the two versions.
1895 (Add_plugin_symbols): Remove.
1896 * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
1897 (Sized_pluginobj::do_add_symbols): Unify the two versions.
1898 (Add_plugin_symbols): Remove.
1899 * readsyms.cc (Read_symbols::do_read_symbols): Update call to
1900 Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
1901 (Add_symbols::run): Make it work with Pulginobj.
1902
89dd1680
ILT		 19032009-02-06 Ian Lance Taylor <iant@google.com>
1904
1905 * object.cc (Sized_relobj::do_layout): Make info message start
1906 with lower case letter.
1907
266d0a74
ILT		 19082009-02-06 Mikolaj Zalewski <mikolajz@google.com>
1909
602b464e
ILT		 1910 * binary.cc: Fix file comment.
1911
266d0a74
ILT		 1912 * options.h (enum Incremental_disposition): Define.
1913 (class General_options): Add new options: --incremental,
1914 --incremental_changed, --incremental_unchanged,
1915 --incremental_unknown. Add incremental_disposition_ and
1916 implicit_incremental_ fields.
1917 (General_options::incremental_disposition): New function.
1918 (class Position_dependent_options): Add incremental_disposition
1919 option.
1920 (Position_dependent_options::copy_from_options): Set incremental
1921 dispositions.
1922 * options.cc (General_options::parse_incremental_changed): New
1923 function.
1924 (General_options::parse_incremental_unchanged): New function.
1925 (General_options::parse_incremental_unknown): New function.
1926 (General_options::General_options): Initialize new fields
1927 incremental_disposition_ and implicit_incremental_.
1928 (General_options::finalize): Check for uasge of --incremental-*
1929 without --incremental.
1930
f073bbf7
CD		 19312009-02-06 Chris Demetriou <cgd@google.com>
1932
1933 * gold.h (gold_undefined_symbol): Change to take only a Symbol
1934 pointer and to report location as the file name associated with
1935 the symbol.
1936 (gold_undefined_symbol_at_location): New function to replace the
1937 old gold_undefined_symbol functionality.
1938 * target-reloc.h (relocate_section): Update to use
1939 gold_undefined_symbol_at_location.
1940 * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
1941 Call gold_undefined_symbol function rather than gold_error.
1942 * errors.h (Errors::undefined_symbol): Take location as a
1943 string, rather than calculating it from a relocation.
1944 * errors.cc (Errors::fatal): Print "fatal error:" before the
1945 formatted message.
1946 (Errors::error, Errors::error_at_location): Print "error: "
1947 before the formatted message.
1948 (Errors::undefined_symbol): Take location as a string, rather
1949 than calculating it from a relocation.
1950 (gold_undefined_symbol_at_location): New function akin to
1951 old gold_undefined_symbol, calculates location from relocation.
1952 (gold_undefined_symbol): Change to take only a Symbol pointer
1953 and to report location as the file name associated with the symbol.
1954 * testsuite/debug_msg.sh: Update for changed error messages.
1955 * testsuite/undef_symbol.sh: Likewise.
1956
8e94a90c
ILT		 19572009-02-04 Duncan Sands <baldrick@free.fr>
1958
1959 PR 9812
1960 * reduced_debug_output.h
1961 (Output_reduced_debug_abbrev_section::failed): Use format for
1962 gold_warning.
1963 (Output_reduced_debug_info_section::faild): Likewise.
1964
88a0e15b
ILT		 19652009-01-31 Mikolaj Zalewski <mikolajz@google.com>
1966
1967 * script.cc (Lazy_demangler): New class.
1968 (Version_script_info::get_symbol_version_helper): Demangle a
1969 symbol only once.
1970
5efc7cd2
CC		 19712009-01-29 Cary Coutant <ccoutant@google.com>
1972
1973 * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
1974 to __tls_get_addr.
1975 * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
1976
e0ebcf42
ILT		 19772009-01-28 Ian Lance Taylor <iant@google.com>
1978
5efc7cd2 1979 * version.cc (version_string): Bump to 1.9.
75fe7426 1980
e0ebcf42
ILT		 1981 * gold.h: Include <cstring> and <stdint.h>.
1982 * version.cc: Include <cstdio>.
1983 * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
1984 warning.
1985 * reduced_debug_output.cc (insert_into_vector): Rename from
1986 Insert_into_vector; change all callers. Use Swap_unaligned to
1987 avoid aliasing issue; remove union since it is unnecessary.
1988
8e2813be 19892009-01-27 Sriraman Tallam <tmsriram@google.com>
6d03d481
ST		 1990
1991 * Makefile.am (CCFILES): Add gc.cc.
1992 (HFILES): Add gc.h.
1993 * Makefile.in: Regenerate.
1994 * gold.cc (Gc_runner): New class.
1995 (queue_initial_tasks): Call garbage collection related tasks
1996 when corresponding options are invoked.
1997 (queue_middle_gc_tasks): New function.
1998 (queue_middle_tasks): Reorder tasks to allow relocs to be read and
1999 processed early before laying out sections during garbage collection.
2000 * gold.h (queue_middle_gc_tasks): New function.
2001 (is_prefix_of): Move from "layout.cc".
2002 * i386.cc (Target_i386::gc_process_relocs): New function.
2003 * layout.cc (is_prefix_of): Remove. Move to "gold.h"
2004 * main.cc (main): Create object of class "Garbage_collection".
2005 * object.cc (Relobj::copy_symbols_data): New function.
2006 (Relobj::is_section_name_included): New function.
2007 (Sized_relobj::do_layout): Allow this function to be called twice
2008 during garbage collection and defer layout of section during the
2009 first call.
2010 * object.h (Relobj::get_symbols_data): New function.
2011 (Relobj::is_section_name_included): New function.
2012 (Relobj::copy_symbols_data): New function.
2013 (Relobj::set_symbols_data): New function.
2014 (Relobj::get_relocs_data): New function.
2015 (Relobj::set_relocs_data): New function.
2016 (Relobj::is_output_section_offset_invalid): New pure virtual function.
2017 (Relobj::gc_process_relocs): New function.
2018 (Relobj::do_gc_process_relocs): New pure virtual function.
2019 (Relobj::sd_): New data member.
2020 (Sized_relobj::is_output_section_offset_invalid): New function.
2021 (Sized_relobj::do_gc_process_relocs): New function.
2022 * options.h (General_options::gc_sections): Modify to not be a no-op.
2023 (General_options::print_gc_sections): New option.
2024 * plugin.cc (Plugin_finish::run): Remove function call to
2025 Plugin_manager::layout_deferred_objects. Move it to "gold.cc".
2026 * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
2027 * reloc.cc (Read_relocs::run): Add task to process relocs and
2028 determine unreferenced sections when doing garbage collection.
2029 (Gc_process_relocs): New class.
2030 (Sized_relobj::do_gc_process_relocs): New function.
2031 (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
2032 sections that are garbage collected.
2033 * reloc.h (Gc_process_relocs): New class.
2034 * sparc.cc (Target_sparc::gc_process_relocs): New function.
2035 * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
2036 symbols whose corresponding sections are garbage collected.
2037 (Symbol_table::Symbol_table): Add new parameter for the garbage
2038 collection object.
2039 (Symbol_table::gc_mark_undef_symbols): New function.
2040 (Symbol_table::gc_mark_symbol_for_shlib): New function.
2041 (Symbol_table::gc_mark_dyn_syms): New function.
2042 (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
2043 as garbage.
2044 (Symbol_table::add_from_object): Likewise.
2045 (Symbol_table::add_from_relobj): When building shared objects, do not
2046 treat externally visible symbols as garbage.
2047 (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
2048 table information for static and relocatable links.
2049 * symtab.h (Symbol_table::set_gc): New function.
2050 (Symbol_table::gc): New function.
2051 (Symbol_table::gc_mark_undef_symbols): New function.
2052 (Symbol_table::gc_mark_symbol_for_shlib): New function.
2053 (Symbol_table::gc_mark_dyn_syms): New function.
2054 (Symbol_table::gc_): New data member.
2055 * target.h (Sized_target::gc_process_relocs): New pure virtual
2056 function.
2057 * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
2058 * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
2059
3b293544
CF		 20602009-01-20 Chris Faylor <me.sourceware@sourceware.org>
2061
2062 * options.h (General_options::gc_sections): Define as a no-op for now.
2063 (General_options::no_keep_memory): Ditto.
2064 (General_options::Bshareable): Define.
2065 * options.cc (General_options::finalize): Honor -Bshareable.
2066
83d22aa8
AS		 20672009-01-20 Andreas Schwab <schwab@suse.de>
2068
2069 * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
2070 read the value in the contents, since we don't use it. Use the
2071 template endianness when writing.
2072 (Relocate::relocate): Use it for R_PPC_REL16_HA.
2073
cd536b21
AS		 20742009-01-19 Andreas Schwab <schwab@suse.de>
2075
2076 * configure.tgt (powerpc64-*): Fix targ_obj.
2077
99e9a495
ILT		 20782009-01-15 Ian Lance Taylor <iant@google.com>
2079
2080 * object.cc (Sized_relobj::write_local_symbols): Don't write out
2081 local symbols when stripping all symbols.
2082
bbbfea06
CC		 20832009-01-14 Cary Coutant <ccoutant@google.com>
2084
99e9a495 2085 * output.cc (Output_reloc): Add explicit instantiations.
bbbfea06 2086
0f7c0701
CC		 20872009-01-14 Cary Coutant <ccoutant@google.com>
2088
2089 * archive.cc (Archive::get_elf_object_for_member): Remove call
2090 to File_read::claim_for_plugin.
2091 * descriptors.cc (Descriptors::open): Remove reference to
2092 is_claimed.
2093 (Descriptors::claim_for_plugin): Remove.
2094 * descriptors.h (Descriptors::claim_for_plugin): Remove.
2095 (Descriptors::is_claimed): Remove.
2096 (claim_descriptor_for_plugin): Remove.
2097 * fileread.cc (File_read::claim_for_plugin): Remove.
2098 * fileread.h (File_read::claim_for_plugin): Remove.
2099 (File_read::descriptor): Reopen descriptor if necessary.
2100 * plugin.cc (Plugin::load): Add two new APIs to transfer vector.
2101 (Plugin_manager::all_symbols_read): Add task parameter. Change
2102 all callers.
2103 (Plugin_manager::get_input_file): New function.
2104 (Plugin_manager::release_input_file): New function.
2105 (Pluginobj::Pluginobj): Add filesize parameter and initialize
2106 corresponding data member.
2107 (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
2108 and pass to base constructor. Change all callers.
2109 (get_input_file, release_input_file): New functions.
2110 (make_sized_plugin_object): Add filesize parameter. Change all callers.
2111 * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
2112 (Plugin_manager::all_symbols_read): Add task parameter.
2113 (Plugin_manager::get_input_file): New function.
2114 (Plugin_manager::release_input_file): New function.
2115 (Plugin_manager::task_): New data member.
2116 (Pluginobj::Pluginobj): Add filesize parameter.
2117 (Pluginobj::filename): New function.
2118 (Pluginobj::descriptor): New function.
2119 (Pluginobj::filesize): New function.
2120 (Pluginobj::filesize_): New data member.
2121 (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
2122 * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
2123 File_read::claim_for_plugin; use Object::unlock to unlock the file.
2124
2125 * testsuite/Makefile.am (plugin_test_4): New test case for plugins
2126 with archive libraries.
2127 * testsuite/Makefile.in: Regenerate.
2128 * testsuite/plugin_test.c (struct sym_info): New type.
2129 (get_input_file, release_input_file): New static variables.
2130 (onload): Capture new transfer vector entries.
2131 (claim_file_hook): Stop reading at end of file according to filesize.
2132 Factor out parsing of readelf output into separate function.
2133 (all_symbols_read_hook): Exercise get_input_file and release_input_file
2134 APIs and get the source file name from the symbol table. Convert
2135 source file name to corresponding object file name. Print info
2136 message when adding new input files.
2137 (parse_readelf_line): New function.
2138 * testsuite/plugin_test_1.sh: Add checks for new info messages.
2139 * testsuite/plugin_test_2.sh: Likewise.
2140 * testsuite/plugin_test_3.sh: Likewise.
2141 * testsuite/plugin_test_4.sh: New test case.
2142
62a6d109
ILT		 21432009-01-07 Ian Lance Taylor <iant@google.com>
2144
2145 * version.cc (version_string): Bump to 1.8.
2146
483620e8
CC		 21472008-12-23 Cary Coutant <ccoutant@google.com>
2148
2149 * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
2150 * plugin.cc (Plugin_manager::finish): Rename as
2151 layout_deferred_objects. Move cleanup to separate function.
2152 (Plugin_manager::cleanup): New function.
2153 (Plugin_finish::run): Call layout_deferred_objects and cleanup
2154 separately.
2155 * plugin.h (Plugin_manager::finish): Rename as
2156 layout_deferred_objects.
2157 (Plugin_manager::cleanup): New function.
2158 (Plugin_manager::cleanup_done): New field.
2159
d66a9eb3
CC		 21602008-12-23 Cary Coutant <ccoutant@google.com>
2161
2162 * plugin.cc (is_visible_from_outside): New function.
2163 (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
2164 so we don't return "IR only" status for exported symbols or -r links.
2165
2166 * testsuite/Makefile.am (plugin_test_3): New test case.
2167 * testsuite/Makefile.in: Regenerate.
2168 * testsuite/plugin_test_3.sh: New file.
2169
5995b570
CC		 21702008-12-22 Cary Coutant <ccoutant@google.com>
2171
2172 * object.cc (Sized_relobj::layout_section): New function.
2173 (Sized_relobj::do_layout): Defer layout of input sections until after
2174 plugin has provided replacement files.
2175 (Sized_relobj::do_layout_deferred_sections): New function.
2176 * object.h (Relobj::set_section_offset): Remove virtual keyword.
2177 (Relobj::layout_deferred_sections): New function.
2178 (Relobj::do_layout_deferred_sections): New function.
2179 (Sized_relobj::do_layout_deferred_sections): New function.
2180 (Sized_relobj::layout_section): New function.
2181 (Sized_relobj::Deferred_layout): New structure.
2182 (Sized_relobj::deferred_layout_): New field.
2183 * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
2184 Change all callers. Layout deferred sections.
2185 (class Plugin_finish): Renamed, was Plugin_cleanup. Change all
2186 references.
2187 (Plugin_hook::run): Move code from do_plugin_hook inline.
2188 (Plugin_hook::do_plugin_hook): Remove.
2189 * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
2190 (Plugin_manager::finish): Renamed, was cleanup.
2191 (Plugin_manager::should_defer_layout): New function.
2192 (Plugin_manager::add_deferred_layout_object): New function.
2193 (Plugin_manager::Deferred_layout_list): New type.
2194 (Plugin_manager::deferred_layout_objects_): New field.
2195 (Plugin_hook::do_plugin_hook): Remove.
2196
ee769c88
ILT		 21972008-12-17 Ian Lance Taylor <iant@google.com>
2198
2199 * options.h (class General_options): Add --no case for
2200 --export-dynamic.
2201
abc8dcba
CC		 22022008-12-16 Cary Coutant <ccoutant@google.com>
2203
2204 * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
2205 vector.
2206 (Plugin_manager::claim_file): Create plugin object even if
2207 plugin did not call the add_symbols callback.
2208 (Plugin_obj::get_symbol_resolution_info): Guard against plugin
2209 asking for more symbols than were added.
2210 * testsuite/Makefile.am (plugin_test_1): Add test case with
2211 no global symbols.
2212 (empty.syms): New target.
2213 * testsuite/Makefile.in: Regenerate.
2214 * testsuite/plugin_test.c (claim_file_hook): Add new debug
2215 message. Don't call add_symbols if no globals.
2216 (all_symbols_read_hook): Don't provide replacement for empty
2217 claimed file.
2218
b0074644
ILT		 22192008-12-12 Ian Lance Taylor <iant@google.com>
2220
68943102
ILT		 2221 * target-reloc.h (Default_scan_relocatable_relocs): Only discard
2222 r_type == 0 for a local symbol with r_sym == 0.
2223 (scan_relocatable_relocs): Pass r_sym to
2224 local_non_section_strategy.
2225 * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
2226 r_sym parameter.
2227
b0074644
ILT		 2228 * configure.ac: Update test for TLS descriptors: they are
2229 supported as of glibc 2.9.
2230 * configure: Rebuild.
2231
c2508178
ILT		 22322008-12-11 Ian Lance Taylor <iant@google.com>
2233
2234 PR 7091
2235 * target-reloc.h (Default_scan_relocatable_relocs): For each
2236 function, map r_type == 0 to RELOC_DISCARD.
2237
2756a258
CC		 22382008-12-10 Cary Coutant <ccoutant@google.com>
2239
2240 * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
2241 object to override a kept COMDAT group from a plugin object.
2242
bb6f53d3
ILT		 22432008-12-09 Ian Lance Taylor <iant@google.com>
2244
fbc558e1
ILT		 2245 PR 7088
2246 * yyscript.y (file_cmd): Handle INPUT.
2247
bb6f53d3
ILT		 2248 * testsuite/initpri1.c: Change all declarations to be full
2249 prototypes by adding void, to avoid compiler warnings.
2250
4674ecfc
CC		 22512008-12-05 Rafael Avila de Espindola <espindola@google.com>
2252
2253 * options.cc (General_options::parse_plugin_opt): New.
2254 (General_options::add_plugin): The argument now is just the filename.
2255 (General_options::add_plugin_option): New.
2256 * options.h (plugin_opt): New.
2257 (add_plugin): Change argument name.
2258 (add_plugin_option): New.
2259 * plugin.cc (Plugin::load): Don't parse the plugin option.
2260 * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
2261 (Plugin::add_option): New.
2262 (Plugin::args_): Change type.
2263 (Plugin::filename_): New.
2264 (Plugin_manager::add_plugin_option): New.
2265 * testsuite/Makefile.am (plugin_test_1): Use new syntax.
2266 * testsuite/Makefile.in: Regenerate.
2267
fd06b4aa
CC		 22682008-12-05 Cary Coutant <ccoutant@google.com>
2269
2270 * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
2271 Handle --strip-lto-sections option.
2272 * options.h (strip_lto_sections): New option.
2273
6c52134c
CC		 22742008-12-01 Cary Coutant <ccoutant@google.com>
2275
2276 * plugin.cc (ld_plugin_message): Change format parameter to const.
2277 Fix mismatch between new[] and delete.
2278
a45248e0
CC		 22792008-11-14 Cary Coutant <ccoutant@google.com>
2280
2281 * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
2282 instead of -1U.
2283
c82fbeee
CS		 22842008-11-05 Craig Silverstein <csilvers@google.com>
2285
2286 * options.cc (General_options::parse_dynamic_list): New function.
2287 * options.h (General_options): New flags dynamic_list,
2288 dynamic_list_data, dynamic_list_cpp_new, and
2289 dynamic_list_cpp_typeinfo. New variable dynamic_list_.
2290 (General_options::in_dynamic_list): New function.
2291 * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
2292 (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
2293 (Lex::can_continue_name): Likewise.
2294 (yylex): Likewise.
2295 (read_script_file): New parameter script_options.
2296 (read_dynamic_list): New function.
2297 (Script_options::define_dynamic_list): New function.
2298 (dynamic_list_keyword_parsecodes): New variable.
2299 (dynamic_list_keywords): New variable.
2300 * script.h (Script_options::define_dynamic_list): New function
2301 prototype.
2302 (read_dynamic_list): New function prototype.
2303 * symtab.cc (strprefix): New macro.
2304 (Symbol::should_add_dynsym_entry): Support dynamic_list,
2305 dynamic_list_data, dynamic_list_cpp_new, and
2306 dynamic_list_cpp_typeinfo.
2307 * yyscript.y (PARSING_DYNAMIC_LIST): New token.
2308 (dynamic_list_expr): New rule.
2309 (dynamic_list_nodes): Likewise.
2310 (dynamic_list_node): Likewise.
2311 * testsuite/Makefile.am (dynamic_list): New test.
2312 * testsuite/Makefile.in: Regenerated.
2313 * testsuite/dynamic_list.t: New file.
2314 * testsuite/dynamic_list.sh: New file.
2315
e0bb29a5
CS		 23162008-11-05 Craig Silverstein <csilvers@google.com>
2317
2318 * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
2319 * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
2320 (t11_last): Likewise.
2321 * testsuite/ver_test_6.c (main): Likewise.
2322
4e1e25e0
CC		 23232008-10-07 Cary Coutant <ccoutant@google.com>
2324
2325 * options.c (General_options::finalize): Add check for -static and
2326 -shared.
2327 * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
2328 is not empty.
2329
92f03fcb
CC		 23302008-10-02 Cary Coutant <ccoutant@google.com>
2331
2332 * plugin.cc (make_sized_plugin_object): Fix conditional
2333 compilation to work when not all targets are enabled.
2334
fbd8a257
CC		 23352008-09-29 Cary Coutant <ccoutant@google.com>
2336
2337 * archive.cc (Archive::get_file_and_offset): Use filename instead
2338 of name to get library path.
2339 (Archive::include_member): Unlock external member of a thin archive.
2340
2341 * testsuite/Makefile.am (TEST_AR): New variable.
2342 (thin_archive_test_1): New test.
2343 (thin_archive_test_2): New test.
81636b3f
CC		 2344 * testsuite/Makefile.in: Regenerate.
2345 * testsuite/thin_archive_main.cc: New file.
2346 * testsuite/thin_archive_test_1.cc: New file.
2347 * testsuite/thin_archive_test_2.cc: New file.
2348 * testsuite/thin_archive_test_3.cc: New file.
2349 * testsuite/thin_archive_test_4.cc: New file.
fbd8a257 2350
eff45813
CC		 23512008-09-29 Cary Coutant <ccoutant@google.com>
2352
2353 * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
2354 * object.cc (Sized_relobj::do_layout): Use constant invalid_address
2355 instead of -1U.
2356 (Sized_relobj::do_finalize_local_symbols): Likewise.
2357 (Sized_relobj::map_to_kept_section): Likewise.
2358 * object.h (Sized_relobj::invalid_address): New constant.
2359 (Sized_relobj::do_output_section_offset): Check for invalid_address
2360 and return -1ULL.
2361 * output.cc (Output_reloc::local_section_offset): Use constant
2362 invalid_address instead of -1U.
2363 (Output_reloc::get_address): Likewise.
2364 (Output_section::output_address): Change -1U to -1ULL.
2365 * output.h (Output_reloc::invalid_address): New constant.
2366 * reloc.cc (Sized_relobj::write_sections): Use constant
2367 invalid_address instead of -1U.
2368 (Sized_relobj::relocate_sections): Likewise.
2369 * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
2370 values for merge sections.
2371 * target-reloc.h (relocate_for_relocatable): Use constant
2372 invalid_address instead of -1U.
2373
89fc3421
CC		 23742008-09-19 Cary Coutant <ccoutant@google.com>
2375
2376 Add plugin functionality for link-time optimization (LTO).
2377 * configure.ac (plugins): Add --enable-plugins option.
2378 * configure: Regenerate.
2379 * config.in: Regenerate.
2380 * Makefile.am (LIBDL): New variable.
2381 (CCFILES): Add plugin.cc.
2382 (HFILES): Add plugin.h.
2383 (ldadd_var): Add LIBDL.
2384 * Makefile.in: Regenerate.
2385
2386 * archive.cc: Include "plugin.h".
2387 (Archive::setup): Don't preread archive symbols when using a plugin.
2388 (Archive::get_file_and_offset): Add memsize parameter. Change callers.
2389 (Archive::get_elf_object_for_member): Call plugin hooks for claiming
2390 files.
2391 (Archive::include_member): Add symbols from plugin objects.
2392 * archive.h (Archive::get_file_and_offset): Add memsize parameter.
2393 * descriptors.cc (Descriptors::open): Check for file descriptors
2394 abandoned by plugins.
2395 (Descriptors::claim_for_plugin): New function.
2396 * descriptors.h (Descriptors::claim_for_plugin): New function.
2397 (Open_descriptor::is_claimed): New field.
2398 (claim_descriptor_for_plugin): New function.
2399 * fileread.cc (File_read::claim_for_plugin): New function.
2400 * fileread.h (File_read::claim_for_plugin): New function.
2401 (File_read::descriptor): New function.
2402 * gold.cc: Include "plugin.h".
2403 (queue_initial_tasks): Add task to call plugin hooks for generating
2404 new object files.
2405 * main.cc: Include "plugin.h".
2406 (main): Load plugin libraries.
2407 * object.h (Pluginobj): Declare.
2408 (Object::pluginobj): New function.
2409 (Object::do_pluginobj): New function.
2410 (Object::set_target): New function.
2411 * options.cc: Include "plugin.h".
2412 (General_options::parse_plugin): New function.
2413 (General_options::General_options): Initialize plugins_ field.
2414 (General_options::add_plugin): New function.
2415 * options.h (Plugin_manager): Declare.
2416 (General_options): Add --plugin option.
2417 (General_options::has_plugins): New function.
2418 (General_options::plugins): New function.
2419 (General_options::add_plugin): New function.
2420 (General_options::plugins_): New field.
2421 * plugin.cc: New file.
2422 * plugin.h: New file.
2423 * readsyms.cc: Include "plugin.h".
2424 (Read_symbols::do_read_symbols): Check for archive before checking
2425 for ELF file. Call plugin hooks to claim files.
2426 * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
2427 from a real object file; force override when processing replacement
2428 files.
2429 * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
2430 (Symbol::init_base_object): Likewise.
2431 (Symbol::init_base_output_data): Likewise.
2432 (Symbol::init_base_output_segment): Likewise.
2433 (Symbol::init_base_constant): Likewise.
2434 (Symbol::init_base_undefined): Likewise.
2435 (Symbol::output_section): Assert that object is not a plugin.
2436 (Symbol_table::add_from_pluginobj): New function.
2437 (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
2438 undefined.
2439 (Symbol_table::sized_write_globals): Likewise.
2440 (Symbol_table::add_from_pluginobj): Instantiate template.
2441 * symtab.h (Sized_pluginobj): Declare.
2442 (Symbol::in_real_elf): New function.
2443 (Symbol::set_in_real_elf): New function.
2444 (Symbol::in_real_elf_): New field.
2445 (Symbol_table::add_from_pluginobj): New function.
2446
2447 * testsuite/Makefile.am (AM_CFLAGS): New variable.
2448 (LIBDL): New variable.
2449 (LDADD): Add LIBDL.
2450 (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
2451 (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
2452 (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
2453 (MOSTLYCLEANFILES): Likewise.
2454 * testsuite/Makefile.in: Regenerate.
2455 * testsuite/plugin_test.c: New file.
2456 * testsuite/plugin_test_1.sh: New file.
2457 * testsuite/plugin_test_2.sh: New file.
2458
de31bda5
ILT		 24592008-09-16 Ian Lance Taylor <iant@google.com>
2460
9c2d0ef9
ILT		 2461 * target-reloc.h (relocate_section): Check whether a symbol is
2462 defined by the ABI before reporting an undefined symbol error.
2463 * target.h (Target::is_defined_by_abi): Make parameter const.
2464 (Target::do_is_defined_by_abi): Likewise.
2465 * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
2466 * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
2467 * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
2468 * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
2469 * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
2470 * testsuite/Makefile.in: Rebuild.
2471
de31bda5
ILT		 2472 * fileread.cc (make_view): Add casts to avoid warning.
2473
9fa33bee
AO		 24742008-09-16 Alexandre Oliva <aoliva@redhat.com>
2475
2476 * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
2477 * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
2478
183fd0e3
AO		 24792008-09-16 Alexandre Oliva <aoliva@redhat.com>
2480
2481 * options.h (General_options::output_is_executable): New.
2482 (General_options::output_is_pie): New.
2483 * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
2484 for shared libraries.
2485 * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
2486
7be8330a
CD		 24872008-09-11 Chris Demetriou <cgd@google.com>
2488
2489 * options.h (origin): New -z option.
2490 * layout.cc (Layout:finish_dynamic_section): If "-z origin"
2491 is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
2492 in DT_FLAGS_1.
2493
a9caad02
CC		 24942008-09-05 Cary Coutant <ccoutant@google.com>
2495
2496 * fileread.cc (File_read::make_view): Add check for attempt to map
2497 beyond end of file.
2498
ae6dce4d
CC		 24992008-09-05 Cary Coutant <ccoutant@google.com>
2500
2501 * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
2502 explicit instantiations.
2503
d7ab2a47
KVH		 25042008-08-28 Kris Van Hees <kris.van.hees@oracle.com>
2505
2506 PR gold/6858
2507 * options.cc (General_options::finalize): Allow undefined symbols
2508 in shlibs if linking -shared.
2509
2510 PR gold/6859
2511 * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
2512 symbols as not needing a dynsym entry.
2513
1e52a9c1
CS		 25142008-08-20 Craig Silverstein <csilvers@google.com>
2515
2516 * fileread.cc (File_read::open): Do not lock the file unless it
2517 was successfully opened.
2518
d85c80a3
CC		 25192008-08-14 Cary Coutant <ccoutant@google.com>
2520
2521 * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
2522 Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
2523 * testsuite/tls_test.cc (struct int128): 128-bit struct
2524 for testing TLS relocs with non-zero addend.
2525 (v12): New TLS variable.
2526 (t12): New test.
2527 (t_last): Add check for v12.
2528 * testsuite/tls_test.h (t12): New function.
2529 * testsuite/tls_test_main.cc (thread_routine): Call new test.
2530
2d924fd9
ILT		 25312008-08-13 Ian Lance Taylor <iant@google.com>
2532
2533 * layout.cc (Layout::attach_allocated_section_to_segment): Don't
2534 set tls_segment_ or relro_segment_.
2535 (Layout::make_output_segment): Set tls_segment_ and relro_segment_
2536 when appropriate.
2537 * output.h (Output_section::clear_is_relro): New function.
2538 * output.cc (Output_segment::add_output_section): Handle SHF_TLS
2539 sections specially even when output_data_ is empty.
2540 (Output_segment::maximum_alignment): When first section is relro,
2541 only force alignment for PT_LOAD segments.
2542 * script.cc (script_data_segment_align): New function.
2543 (script_data_segment_relro_end): New function.
2544 * script-c.h (script_data_segment_align): Declare.
2545 (script_data_segment_relro_end): Declare.
2546 * script-sections.h (class Script_sections): Declare
2547 data_segment_align and data_segment_relro_end. Add fields
2548 segment_align_index_ and saw_relro_end_.
2549 * script-sections.cc (class Sections_element): Add set_is_relro
2550 virtual function. Add new bool* parameter to place_orphan_here.
2551 Add get_output_section virtual function.
2552 (class Output_section_definition): Add set_is_relro. Add new
2553 bool* parameter to place_orphan_here. Add get_output_section.
2554 Add is_relro_ field.
2555 (Output_section_definition::Output_section_definition): Initialize
2556 evaluated_address_, evaluated_load_address, evaluated_addralign_,
2557 and is_relro_ fields.
2558 (Output_section_definition::place_orphan_here): Add is_relro
2559 parameter.
2560 (Output_section_definition::set_section_addresses): Set relro for
2561 output section.
2562 (Output_section_definition::alternate_constraint): Likewise.
2563 (class Orphan_output_section): Add new bool* parameter to
2564 place_orphan_here. Add get_output_section.
2565 (Orphan_output_section::place_orphan_here): Add is_relro
2566 parameter.
2567 (Script_sections::Script_sections): Initialize
2568 data_segment_align_index_ and saw_relro_end_.
2569 (Script_sections::data_segment_align): New function.
2570 (Script_sections::data_segment_relro_end): New function.
2571 (Script_sections::place_orphan): Set or clear is_relro.
2572 (Script_sections::set_section_addresses): Force alignment of first
2573 TLS section.
2574 * yyscript.y (exp): Call script_data_segment_align and
2575 script_data_segment_relro_end.
2576 * testsuite/relro_script_test.t: New file.
2577 * testsuite/relro_test.cc (using_script): Declare.
2578 (t1, t2): Test using_script.
2579 * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
2580 (relro_script_test_SOURCES): Define.
2581 (relro_script_test_DEPENDENCIES): Define.
2582 (relro_script_test_LDFLAGS): Define.
2583 (relro_script_test_LDADD): Define.
2584 (relro_script_test.so): New target.
2585 * testsuite/Makefile.in: Rebuild.
2586
f827c9a9
CC		 25872008-08-06 Cary Coutant <ccoutant@google.com>
2588
2589 * archive.cc (Archive::total_archives, Archive::total_members)
2590 (Archive::total_members_loaded): New variables.
2591 (Archive::setup): Add parameter. Add option to preread
2592 archive symbols.
2593 (Archive::read_armap): Add counter.
2594 (Archive::get_file_and_offset): New function.
2595 (Archive::get_elf_object_for_member): New function.
2596 (Archive::read_all_symbols): New function.
2597 (Archive::read_symbols): New function.
2598 (Archive::add_symbols): Add counters.
2599 (Archive::include_all_members): Use armap to find members if it's
2600 already built.
2601 (Archive::include_member): Skip reading symbols if already read.
2602 Factored code into Archive::get_file_and_offset and
2603 Archive::get_elf_object_for_member. Changed call to
2604 Mapfile::report_include_archive_member.
2605 (Archive::print_stats): New function.
2606 * archive.h: Declare Object and Read_symbols_data classes.
2607 (Archive::Archive): Add initializers for new members.
2608 (Archive::setup): Add parameter.
2609 (Archive::print_stats): New function.
2610 (Archive::total_archives, Archive::total_members)
2611 (Archive::total_members_loaded): New variables.
2612 (Archive::get_file_and_offset): New function.
2613 (Archive::get_elf_object_for_member): New function.
2614 (Archive::read_all_symbols): New function.
2615 (Archive::read_symbols): New function.
2616 (Archive::Archive_member): New class.
2617 (Archive::members_): New member.
2618 (Archive::num_members_): New member.
2619 * main.cc: Include archive.h.
2620 (main): Call Archive::print_stats.
2621 * mapfile.cc (Mapfile::report_include_archive_member): Delete
2622 archive parameter; member_name is now the fully-decorated name.
2623 * mapfile.h (Mapfile::report_include_archive_member): Likewise.
2624 * options.h: (General_options): Add --preread-archive-symbols option.
2625 * readsyms.cc (Read_symbols::do_read_symbols): Change call to
2626 Archive::setup.
2627
de4c45bd
ILT		 26282008-08-04 Ian Lance Taylor <iant@google.com>
2629
2630 * symtab.h (Symbol::use_plt_offset): New function.
2631 * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
2632 * powerpc.cc (Relocate::relocate): Likewise.
2633 * sparc.cc (Relocate::relocate): Likewise.
2634 * x86_64.cc (Relocate::relocate): Likewise.
2635 * testsuite/weak_plt.sh: New test.
2636 * testsuite/weak_plt_main.cc: New test.
2637 * testsuite/weak_plt_shared.cc: New test.
2638 * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
2639 (check_PROGRAMS): Add weak_plt.
2640 (check_DATA): Add weak_plt_shared.so.
2641 (weak_plt_main_pic.o, weak_plt): New targets.
2642 (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
2643 * testsuite/Makefile.in: Rebuild.
2644
2645 * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
2646 gcctestdir/ld.
2647 (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
2648 * testsuite/Makefile.in: Rebuild.
2649
323ee3f4
AM		 26502008-08-04 Alan Modra <amodra@bigpond.net.au>
2651
2652 * Makefile.am (POTFILES.in): Set LC_ALL=C.
2653 * Makefile.in: Regenerate.
2654 * po/POTFILES.in: Regenerate.
2655
7c07ecec
ILT		 26562008-07-29 Ian Lance Taylor <iant@google.com>
2657
2658 * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
2659 symbols before other symbols.
2660 * testsuite/script_test_2.cc (test_addr): Declare.
2661 (test_addr_alias): Declare.
2662 (main): Check that test_addr and test_addr_alias have the right
cd536b21 2663 values.
7c07ecec
ILT		 2664 * testsuite/script_test_2.t: Define test_addr_alias and
2665 test_addr.
2666
5778530e
ILT		 26672008-07-24 Ian Lance Taylor <iant@google.com>
2668
2a00e4fb
ILT		 2669 PR 5990
2670 * descriptors.cc: New file.
2671 * descriptors.h: New file.
2672 * gold-threads.h (class Hold_optional_lock): New class.
2673 * fileread.cc: Include "descriptors.h".
2674 (File_read::~File_read): Release descriptor rather than closing
2675 it.
2676 (File_read::open) [file]: Call open_descriptor rather than open.
2677 Set is_descriptor_opened_.
2678 (File_read::open) [memory]: Assert that descriptor is not open.
2679 (File_read::reopen_descriptor): New function.
2680 (File_read::release): Release descriptor.
2681 (File_read::do_read): Make non-const. Reopen descriptor.
2682 (File_read::read): Make non-const.
2683 (File_read::make_view): Reopen descriptor.
2684 (File_read::do_readv): Likewise.
2685 * fileread.h (class File_read): Add is_descriptor_opened_ field.
2686 Update declarations.
2687 * layout.cc: Include "descriptors.h".
2688 (Layout::create_build_id): Use open_descriptor rather than open.
2689 * output.cc: Include "descriptors.h".
2690 (Output_file::open): Use open_descriptor rather than open.
2691 * archive.cc (Archive::const_iterator): Change Archive to be
2692 non-const.
2693 (Archive::begin, Archive::end): Make non-const.
2694 (Archive::count_members): Likewise.
2695 * archive.h (class Archive): Update declarations.
2696 * object.h (Object::read): Make non-const.
2697 * Makefile.am (CCFILES): Add descriptors.cc.
2698 (HFILES): Add descriptors.h.
2699 * Makefile.in: Rebuild.
2700
801647d1
ILT		 2701 PR 6716
2702 * gold.h: Always include <clocale>. Add Solaris workarounds
2703 following code in binutils/sysdep.h.
2704
5edd166e
ILT		 2705 PR 6048
2706 * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
2707 this->eh_frame_hdr_ is NULL before using it.
2708
c89ad728
ILT		 2709 * dynobj.cc (Versions::Versions): Update comment.
2710
aa86f06b
ILT		 2711 * dynobj.cc (Versions::Versions): If there is an soname, use it as
2712 the base version name.
2713
5778530e
ILT		 2714 * stringpool.cc (Stringpool_template::add_with_length): Set key to
2715 array size plus one.
2716 (Stringpool_template::set_string_offsets): Subtract one from key
2717 before using it as an array index.
2718 (Stringpool_template::get_offset_with_length): Likewise.
2719 (Stringpool_template::write_to_buffer): Likewise.
2720 * stringpool.h (Stringpool_template::get_offset_from_key):
2721 Likewise.
2722
057ead22
ILT		 27232008-07-23 Ian Lance Taylor <iant@google.com>
2724
7f649c59
ILT		 2725 PR 6658
2726 * object.h (Merged_symbol_value::value): Do our best to handle a
2727 negative addend.
2728
057ead22
ILT		 2729 PR 6647
2730 * script.cc (Version_script_info::get_versions): Don't add empty
2731 version tag to return value.
2732 (Version_script_info::get_symbol_version_helper): Change return
2733 type to bool. Add pversion parameter. Change all callers.
2734 (script_register_vers_node): Don't require a non-NULL tag.
2735 * script.h (class Version_script_info): Update declarations.
2736 (Version_script_info::get_symbol_version): Change return type to
2737 bool. Add version parameter. Change all callers.
2738 * symtab.cc (Sized_symbol::add_from_relobj): Rework version
2739 handling. Handle an empty version from a version script.
2740 (Symbol_table::define_special_symbol): Likewise.
2741 * testsuite/ver_test_10.script: New file.
2742 * testsuite/ver_test_10.sh: New file.
2743 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
2744 (check_DATA): Add ver_test_10.syms.
2745 (ver_test_10.syms, ver_test_10.so): New target.
2746 * testsuite/Makefile.in: Rebuild.
2747
58e54ac2
CD		 27482008-07-23 Simon Baldwin <simonb@google.com>
2749
2750 * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
2751 to zero for undefined symbols from dynamic libraries.
2752
95d14cd3
ILT		 27532008-07-23 Ian Lance Taylor <iant@google.com>
2754
2755 * symtab.cc (Symbol_table::resolve): Remove version parameter.
2756 Change all callers.
2757 * symtab.h (class Symbol_table): Update declaration.
2758 * testsuite/ver_test_9.cc: New file.
2759 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
2760 (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
2761 (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
2762 (ver_test_9.so, ver_test_9.o): New targets.
2763 * testsuite/Makefile.in: Rebuild.
2764
92de84a6
ILT		 27652008-07-22 Ian Lance Taylor <iant@google.com>
2766
34810851
ILT		 2767 * options.h (class General_options): Define --check-sections.
2768 * layout.cc (Layout::set_segment_offsets): Handle
2769 --check-sections.
2770
af6156ef
ILT		 2771 * options.h (class General_options): Define -n/--nmagic and
2772 -N/--omagic.
2773 * options.cc (General_options::finalize): For -n/--nmagic or
2774 -N/--omagic, set -static.
2775 * layout.cc (Layout::attach_allocated_section_to_segment): If
2776 -N/--omagic, don't put read-only and read-write sections in
2777 different segments.
2778 (Layout::find_first_load_seg): If -N/--omagic, don't insist on
2779 finding a read-only segment.
2780 (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
2781 don't set the minimum segment alignment to the common page size,
2782 and don't set the file offset to the address modulo the page size.
2783 * script-sections.cc (Script_sections::create_segments): If
2784 -n/--omagic, don't put read-only and read-write sections in
2785 different segments.
2786
92de84a6
ILT		 2787 * cref.cc: New file.
2788 * cref.h: New file.
2789 * options.h (class General_options): Add --print-symbol-counts.
2790 * main.cc (main): Issue defined symbol report if requested.
2791 * archive.cc (Archive::interpret_header): Make into a const member
2792 function.
2793 (Archive::add_symbols): Call Input_objects::archive_start and
2794 archive_stop.
2795 (Archive::const_iterator): Define new class.
2796 (Archive::begin, Archive::end): New functions.
2797 (Archive::include_all_members): Rewrite to use iterator.
2798 (Archive::count_members): New function.
2799 * archive.h (class Archive): Update declarations.
2800 (Archive::filename): New function.
2801 * object.cc: Include "cref.h".
2802 (Sized_relobj::Sized_relobj): Initialize defined_count_.
2803 (Sized_relobj::do_get_global_symbol_counts): New function.
2804 (Input_objects::add_object): Add object to cross-referencer.
2805 (Input_objects::archive_start): New function.
2806 (Input_objects::archive_stop): New function.
2807 (Input_objects::print_symbol_counts): New function.
2808 * object.h: Declare Cref and Archive.
2809 (Object::get_global_symbol_counts): New function.
2810 (Object::do_get_global_symbol_counts): New pure virtual function.
2811 (class Sized_relobj): Add defined_count_ field. Update
2812 declarations.
2813 (class Input_objects): Add cref_ field. Update constructor.
2814 Update declarations.
2815 * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
2816 defined_count_.
2817 (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
2818 symbol counts.
2819 (Sized_dynobj::do_get_global_symbol_counts): New function.
2820 * dynobj.h (class Sized_dynobj): Add fields symbols_ and
2821 defined_count_. Update declarations. Define Symbols typedef.
2822 * symtab.cc (Symbol_table::add_from_relobj): Add defined
2823 parameter. Change all callers.
2824 (Symbol_table::add_from_dynobj): Add sympointers and defined
2825 parameters. Change all callers.
2826 * symtab.h (class Symbol_table): Update declarations.
2827 * Makefile.am (CCFILES): Add cref.cc.
2828 (HFILES): Add cref.h.
2829 * Makefile.in: Rebuild.
2830
3f7c5e1d
CD		 28312008-07-22 Simon Baldwin <simonb@google.com>
2832
2833 * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
2834 to zero when writing undefined symbols.
2835
e0b64032
ILT		 28362008-07-22 Ian Lance Taylor <iant@google.com>
2837
2838 * output.cc (Output_section::add_input_section): Don't try to
2839 merge empty merge sections.
2840
096b02cf
CS		 28412008-07-21 Craig Silverstein <csilvers@google.com>
2842
2843 * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
2844 Include symbol version in error message.
cd536b21 2845
1d1f116d
CD		 28462008-07-20 Chris Demetriou <cgd@google.com>
2847
cd536b21 2848 * configure.ac (gold_cv_c_random_seed): New configured variable.
1d1f116d
CD		 2849 (RANDOM_SEED_CFLAGS): New substituted variable.
2850 * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
2851 * configure: Rebuild.
2852 * Makefile.in: Likewise.
2853 * testsuite/Makefile.in: Likewise.
2854
a18f591e
ILT		 28552008-07-18 Ian Lance Taylor <iant@google.com>
2856
2857 * symtab.cc (Symbol_table::add_from_object): Rewrite the case
2858 where we see NAME/NULL and NAME/VERSION as separate symbols.
2859 * testsuite/ver_test_main.cc (main): Call t4.
2860 (t4, t4_2a): Define.
2861 * testsuite/ver_test_2.cc (t4_2): Define.
2862 * testsuite/ver_test_2.script: Put t4_2a in VER2.
2863 * testsuite/ver_test_4.cc (t4_2a): Define.
2864 * testsuite/ver_test_4.script: Put t4_2a in VER2.
2865 * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
2866
c6e3f6ed
ILT		 28672008-07-17 Ian Lance Taylor <iant@google.com>
2868
2869 * dynobj.cc (Versions::add_def): If we give an error about a
2870 missing version, go ahead and create the version anyhow.
2871
ef9beddf
ILT		 28722008-07-10 Ian Lance Taylor <iant@google.com>
2873
2874 Handle output sections with more than 0x7fffffff bytes.
2875 * object.h (class Relobj): Change map_to_output_ to
2876 output_sections_, and just keep a section pointer. Change all
2877 uses. Move comdat group support to Sized_relobj.
2878 (Relobj::is_section_specially_mapped): Remove.
2879 (Relobj::output_section): Remove poff parameter. Change all
2880 callers.
2881 (Relobj::output_section_offset): New function.
2882 (Relobj::set_section_offset): Rewrite.
2883 (Relobj::map_to_output): Remove.
2884 (Relobj::output_sections): New function.
2885 (Relobj::do_output_section_offset): New pure virtual function.
2886 (Relobj::do_set_section_offset): Likewise.
2887 (class Sized_relobj): Add section_offsets_ field. Add comdat
2888 group support from Relobj. Update declarations.
2889 (Sized_relobj::get_output_section_offset): New function.
2890 (Sized_relobj::do_output_section_offset): New function.
2891 (Sized_relobj::do_set_section_offset): New function.
2892 * object.cc (Relobj::output_section_address): Remove.
2893 (Sized_relobj::Sized_relobj): Initialize new fields.
2894 (Sized_relobj::include_section_group): Cast find_kept_object to
2895 Sized_relobj.
2896 (Sized_relobj::include_linkonce_section): Likewise.
2897 (Sized_relobj::do_layout): Use separate arrays for output section
2898 and output offset.
2899 (Sized_relobj::do_count_local_symbols): Change map_to_output to
2900 output_sections.
2901 (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
2902 output_sections and section_offsets.
2903 (Sized_relobj::write_local_symbols): Likewise.
2904 (map_to_kept_section): Compute output address directly.
2905 * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
2906 output_sections and section_offsets.
2907 (Sized_relobj::write_sections): Likewise.
2908 (Sized_relobj::relocate_sections): Likewise.
2909 * symtab.cc (sized_finalize_symbol): Use output_section_offset.
2910 * output.h (class Output_reloc): Update declarations. Change
2911 u2_.relobj to Sized_relobj*.
2912 (class Output_data_reloc): Change add functions to use
2913 Sized_relobj*.
2914 * output.cc (Output_reloc::Output_reloc): Change relobj to
2915 Sized_relobj*.
2916 (Output_reloc::local_section_offset): Change return type to
2917 Elf_Addr. Use get_output_section_offset.
2918 (Output_reloc::get_address): Likewise.
2919 (Output_section::is_input_address_mapped): Don't call
2920 is_section_specially_mapped.
2921 (Output_section::output_offset): Likewise.
2922 (Output_section::output_address): Likewise.
2923 (Output_section::starting_output_address): Likewise.
2924 * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
2925 parameter to Sized_relobj*.
2926 (Copy_relocs::need_copy_reloc): Likewise.
2927 (Copy_relocs::save): Likewise.
2928 * copy-relocs.h (class Copy_relocs): Update declarations.
2929 (class Copy_relocs::Copy_reloc_entry): Change constructor to use
2930 Sized_relobj*. Change relobj_ field to Sized_relobj*.
2931 * target-reloc.h (relocate_for_relocatable): Change
2932 offset_in_output_section type to Elf_Addr. Change code that uses
2933 it as well.
2934 * layout.cc (Layout::layout): Always set *off.
2935 * mapfile.cc (Mapfile::print_input_section): Use
2936 output_section_offset.
2937 * i386.cc (Target_i386::copy_reloc): Change object parameter to
2938 Sized_relobj*.
2939 * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
2940 * sparc.cc (Target_sparc::copy_reloc): Likewise.
2941 * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
2942
5cb66f97
ILT		 29432008-07-03 Ian Lance Taylor <iant@google.com>
2944
2945 * layout.cc (Layout::include_section): Do not discard unrecognized
2946 SHT_STRTAB sections.
2947
afe47622
CS		 29482008-06-30 Craig Silverstein <csilvers@cs.stanford.edu>
2949
2950 * script.cc (Lex::can_continue_name): Make '?' allowable in
2951 version-script names.
2952 * testsuite/version_script.map: Change glob pattern to use '?'
2953
5adf9721
ILT		 29542008-06-30 Manish Singh <yosh@gimp.org>
2955
2956 PR 6585
2957 * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
2958 Correct typo.
2959
e6fde208
ILT		 29602008-06-30 Ian Lance Taylor <iant@google.com>
2961
2962 PR 6660
2963 PR 6682
2964 * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
2965 versions]: Don't try to read the value in the contents, since we
2966 don't use it. Use the template endianness when writing.
2967
3f2e6a2d
CC		 29682008-06-25 Cary Coutant <ccoutant@google.com>
2969
2970 * fileread.cc (File_read::make_view): Assert on zero-length view.
2971 * object.cc (Sized_relobj::do_read_symbols): Don't try to read
2972 symbol table when there are no symbols to read.
2973
c43d3a48
CS		 29742008-06-23 Craig Silverstein <csilvers@google.com>
2975
2976 * version.cc (version_string): Bump to 1.7
2977
5f494ea0
CS		 29782008-06-18 Craig Silverstein <csilvers@google.com>
2979
2980 * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
2981 constant 0xFFFF to type Valtype.
2982 (Powerpc_relocate_functions::rel16_ha): Likewise.
2983
c42e122e
ILT		 29842008-06-17 Ian Lance Taylor <iant@google.com>
2985
f34787f8
ILT		 2986 * output.h (Output_section::Input_section): Initialize p2align_ to
2987 zero for Output_section_data constructors.
2988 (Output_section::Input_section::addralign): If not an input
2989 section, return the alignment of the Output_section_data.
2990 * testsuite/copy_test.cc: New file.
2991 * testsuite/copy_test_1.cc: New file.
2992 * testsuite/copy_test_2.cc: New file.
2993 * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
2994 (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
2995 (copy_test_LDFLAGS, copy_test_LDADD): New variables.
2996 (copy_test_1_pic.o, copy_test_1.so): New targets.
2997 (copy_test_2_pic.o, copy_test_2.so): New targets.
2998 * testsuite/Makefile.in: Rebuild.
2999
c42e122e
ILT		 3000 * script-sections.cc (Script_sections::place_orphan): Initialize
3001 local variable exact.
3002
ce3ac18a
DE		 30032008-06-13 David Edelsohn <edelsohn@gnu.org>
3004
3005 * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
3006
42cacb20
DE		 30072008-06-12 David Edelsohn <edelsohn@gnu.org>
3008 David S. Miller <davem@davemloft.net>
3009
3010 * powerpc.cc: New file.
3011 * Makefile.am (TARGETSOURCES): Add powerpc.cc
3012 (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
3013 * configure.tgt: Add entries for powerpc-* and powerpc64-*.
3014 * Makefile.in: Rebuild.
3015
7b308235
ILT		 30162008-06-09 Ian Lance Taylor <iant@google.com>
3017
3018 * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
3019 <exception>.
3020 (throwing, orig_terminate): New static variables.
3021 (terminate_handler): New static function.
3022 (t2): Set terminate handler.
3023
f0b886e3
ILT		 30242008-06-05 Kris Van Hees <kris.van.hees@oracle.com>
3025
3026 PR 6584
cd536b21 3027 * binary.cc (Binary_to_elf::sized_convert): Fix .data
f0b886e3
ILT		 3028 alignment.
3029
3e90f135
CC		 30302008-05-30 Cary Coutant <ccoutant@google.com>
3031
3032 * archive.cc (Archive::include_all_members) Correct to step
3033 over symbol table and extended name table in thin archives.
3034
e09ad04a
ILT		 30352008-05-29 Kris Van Hees <kris.van.hees@oracle.com>
3036
3037 PR 6407
3038 * target-reloc.h (relocate_for_relocatable): Fix new_offset
3039 calculation.
3040
62b01cb5
ILT		 30412008-05-28 Caleb Howe <cshowe@google.com>
3042
3043 * reduced_debug_output.cc: New file.
3044 * reduced_debug_output.h: New file.
92de84a6 3045 * options.h (class General_options): Add --strip-debug-non-line.
62b01cb5
ILT		 3046 * options.cc (General_options::finalize): Add strip_debug_non_line
3047 to the strip heirarchy.
3048 * layout.h (class Layout): Add debug_abbrev_ and debug_info_
3049 fields.
3050 * layout.cc: Include "reduced_debug_output.h".
3051 (Layout::Layout): Initialize new fields.
3052 (line_only_debug_sections): New static array.
3053 (is_lines_only_debug_sections): New static inline function.
3054 (Layout::include_section): Handle --strip-debug-non-line.
3055 (Layout::make_output_section): If --strip-debug-non-line, build
3056 new output sections for .debug_abbrev and .debug_info.
3057 * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
3058 gold. Warn about possible overflow.
3059 (read_signed_LEB_128): Likewise.
3060 * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
3061 (read_signed_LEB_128): Declare.
3062 * Makefile.am (CCFILES): Add reduced_debug_output.cc.
3063 (HFILES): Add reduced_debug_output.h.
3064 * Makefile.in: Rebuild.
3065
7d9e3d98
ILT		 30662008-05-21 Ian Lance Taylor <iant@google.com>
3067
3068 * mapfile.cc: New file.
3069 * mapfile.h: New file.
3070 * options.h (class General_options): Add -M/--print-map and -Map.
3071 * options.cc (General_options::finalize): Make -M equivalent to
3072 -Map -.
3073 * main.cc: Include <cstdio> and "mapfile.h".
3074 (main): Open mapfile if requested.
3075 * gold.cc (class Middle_runner): Add mapfile_ field. Update
3076 constructor. Change caller.
3077 (queue_initial_tasks): Add mapfile parameter. Change caller.
3078 (queue_middle_tasks): Likewise.
3079 * gold.h (queue_initial_tasks, queue_middle_tasks): Update
3080 declarations.
3081 * archive.cc: Include "mapfile.h".
3082 (Archive::add_symbols): Add mapfile parameter. Change all
3083 callers. Pass mapfile, symbol, and reason to include_member.
3084 (Archive::include_all_members): Add mapfile parameter. Change all
3085 callers.
3086 (Archive::include_member): Add mapfile, sym, and why parameters.
3087 Change all callers. Report inclusion to map file.
3088 * archive.h: Include "fileread.h".
3089 (class Archive): Update declarations.
3090 (Archive::file): New const method.
3091 (class Add_archive_symbols): Add mapfile_ field. Update
3092 constructor. Change all callers.
3093 * readsyms.h (class Read_symbols): Likewise.
3094 (class Finish_group): Likewise.
3095 (class Read_script): Likewise.
3096 * common.cc: Include "mapfile.h".
3097 (Symbol_table::allocate_commons): Add mapfile parameter. Change
3098 all callers.
3099 (Symbol_table::do_allocate_commons): Likewise.
3100 (Symbol_table::do_allocate_commons_list): Likewise. Report common
3101 symbol allocation to mapfile.
3102 * common.h (class Allocate_commons_task): Add mapfile_ field.
3103 Update constructor. Change all callers.
3104 * symtab.h (class Symbol_table): Update declarations.
3105 * layout.cc: Include "mapfile.h".
3106 (Layout_task_runner::run): Print information to mapfile.
3107 (Layout::create_gold_note): Change Output_data_fixed_space to
3108 Output_data_zero_fill.
3109 (Layout::create_build_id): Likewise.
3110 (Layout::print_to_mapfile): New function.
3111 * layout.h (class Layout_task_runner): Add mapfile_ field. Update
3112 constructor. Change caller.
3113 (class Layout): Declare print_to_mapfile.
3114 * output.cc (Output_section::Input_section::print_to_mapfile): New
3115 function.
3116 (Output_section::add_input_section): If producing a map, always
3117 add to input_sections_ list.
3118 (Output_section::do_print_to_mapfile): New function.
3119 (Output_segment::print_sections_to_mapfile): New function.
3120 (Output_segment::print_section_list_to_mapfile): New function.
3121 * output.h: Include "mapfile.h".
3122 (Output_data::print_to_mapfile): New function.
3123 (Output_data::do_print_to_mapfile): New virtual function.
3124 (Output_segment_headers::do_print_to_mapfile): New function.
3125 (Output_file_header::do_print_to_mapfile): New function.
3126 (Output_data_const::do_print_to_mapfile): New function.
3127 (class Output_data_const_buffer): Add map_name_ field. Update
3128 constructor. Change all callers. Add do_print_to_mapfile
3129 function.
3130 (class Output_data_fixed_space): Likewise.
3131 (class Output_data_space): Likewise.
3132 (class Output_data_zero_fill): New class.
3133 (Output_data_strtab::do_print_to_mapfile): New function.
3134 (Output_data_reloc_base::do_print_to_mapfile): New function.
3135 (Output_relocatable_relocs::do_print_to_mapfile): New function.
3136 (Output_data_group::do_print_to_mapfile): New function.
3137 (Output_data_got::do_print_to_mapfile): New function.
3138 (Output_data_dynamic::do_print_to_mapfile): New function.
3139 (Output_symtab_xindex::do_print_to_mapfile): New function.
3140 (class Output_section): Declare do_print_to_mapflie. Declare
3141 print_to_mapfile in Input_section.
3142 (class Output_segment): Declare new functions.
3143 * object.h (Sized_relobj::symbol_count): New function.
3144 * script-sections.cc
3145 (Output_section_element_dot_assignment::set_section_addresses):
3146 Change Output_data_fixed_space to Output_data_zero_fill.
3147 (Output_data_expression::do_print_to_mapfile): New function.
3148 * script.cc (read_input_script): Add mapfile parameter. Change
3149 all callers.
3150 * script.h (read_input_script): Update declaration.
3151 * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
3152 (Eh_frame::do_print_to_mapfile): New function.
3153 * merge.h (Output_merge_data::do_print_to_mapfile): New function.
3154 (Output_merge_string::do_print_to_mapfile): New function.
3155 * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
3156 function.
3157 * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
3158 function.
3159 * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
3160 function.
3161 * Makefile.am (CCFILES): Add mapfile.cc.
3162 (HFILES): Add mapfile.h.
3163 * Makefile.in: Rebuild.
3164
9f1d377b
ILT		 31652008-05-19 Ian Lance Taylor <iant@google.com>
3166
3167 * options.h (class General_options): Add -z relro.
3168 * layout.cc (Layout::Layout): Initialize relro_segment_.
3169 (Layout::add_output_section_data): Return the output section.
3170 (Layout::make_output_section): Rcognize relro sections and mark
3171 them appropriately.
3172 (Layout::attach_allocated_section_to_segment): Put relro sections
3173 in a PT_GNU_RELRO segment.
3174 (Layout::create_initial_dynamic_sections): Mark the .dynamic
3175 section as relro.
3176 (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
3177 PT_TLS segments.
3178 (Layout::linkonce_mapping): Map d.rel.ro.local to
3179 .data.rel.ro.local.
3180 (Layout::output_section_name): Us .data.rel.ro.local for any
3181 section which begins with that.
3182 * layout.h (class Layout): Update add_output_section_data
3183 declaration. Add relro_segment_ field.
3184 * output.cc (Output_section::Output_section): Initialize is_relro_
3185 and is_relro_local_ fields.
3186 (Output_segment::add_output_section): Group relro sections.
3187 (Output_segment::is_first_section_relro): New function.
3188 (Output_segment::maximum_alignment): If there is a relro section,
3189 align the segment to the common page size.
3190 (Output_segment::set_section_addresses): Track whether we are
3191 looking at relro sections. If the last section is a relro
3192 section, align to the common page size.
3193 (Output_segment::set_section_list_addresses): Add in_relro
3194 parameter. Change all callers. Align to the page size when
3195 moving from relro to non-relro section.
3196 (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
3197 segment.
3198 * output.h (class Output_section): Add is_relro_ and
3199 is_relro_local_ fields.
3200 (Output_section::is_relro): New function.
3201 (Output_section::set_is_relro): New function.
3202 (Output_section::is_relro_local): New function.
3203 (Output_section::set_is_relro_local): New function.
3204 (class Output_segment): Update declarations.
3205 * i386.cc (Target_i386::got_section): Mark .got section as relro.
3206 * sparc.cc (Target_sparc::got_section): Likewise.
3207 * x86_64.cc (Target_x86_64::got_section): Likewise.
3208 * testsuite/relro_test_main.cc: New file.
3209 * testsuite/relro_test.cc: New file.
3210 * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
3211 (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
3212 (relro_test_LDFLAGS, relro_test_LDADD): New variables.
3213 (relro_test.so, relro_test_pic.o): New targets.
3214 * testsuite/Makefile.in: Rebuild.
3215
a984ee1d
ILT		 32162008-05-16 Ian Lance Taylor <iant@google.com>
3217
01676dcd
ILT		 3218 * output.cc (Output_segment::add_output_section): Remove front
3219 parameter.
3220 * output.h (class Output_segment): Remove
3221 add_initial_output_section and overloaded add_output_section.
3222 Update declaration of remaining add_output_section.
3223 * layout.cc (Layout::create_interp): Call add_output_section
3224 rather than add_initial_output_section.
3225 (Layout::finish_dynamic_section): Likewise.
3226
497897f9
ILT		 3227 * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
3228 for TLS_GOTDESC and TLS_DESC_CALL. Only optimize TLS_LDO_32 if we
3229 know the dynamic type.
3230 * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
3231 field. Initialize it in constructor.
3232 (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
3233 block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
3234 Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
3235 reloc.
3236
a984ee1d
ILT		 3237 * output.cc (Output_reloc::get_address): Change return type to
3238 Elf_Addr.
3239 * output.h (class Output_reloc): Update get_address declaration.
3240 * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
3241 for section addresses.
3242
55ba0940
ILT		 32432008-05-09 Ian Lance Taylor <iant@google.com>
3244
3245 PR 6493
3246 * gold.cc (gold_nomem): Use return value of write.
3247
75517b77
ILT		 32482008-05-08 Ian Lance Taylor <iant@google.com>
3249
3250 * symtab.c (Symbol::init_base_output_data): Add version
3251 parameter. Change all callers.
3252 (Symbol::init_base_output_segment): Likewise.
3253 (Symbol::init_base_constant): Likewise.
3254 (Symbol::init_base_undefined): Likewise.
3255 (Sized_symbol::init_output_data): Likewise.
3256 (Sized_symbol::init_output_segment): Likewise.
3257 (Sized_symbol::init_constant): Likewise.
3258 (Sized_symbol::init_undefined): Likewise.
3259 (Symbol_table::do_define_in_output_data): If the new symbol has a
3260 version, mark it as the default.
3261 (Symbol_table::do_define_in_output_segment): Likewise.
3262 (Symbol_table::do_define_as_constant): Likewise.
3263 * symtab.h (class Symbol): Update declarations.
3264 (class Sized_symbol): Likewise.
3265 * resolve.cc (Symbol::override_version): New function.
c42e122e 3266 (Symbol::override_base): Call override_version.
75517b77
ILT		 3267 (Symbol::override_base_with_special): Likewise.
3268 * testsuite/ver_script_8.script: New file.
3269 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
3270 (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
3271 (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
3272 (ver_test_8_1.so, ver_test_8_2.so): New targets.
3273
f1f70eae
ILT		 32742008-05-06 Ian Lance Taylor <iant@google.com>
3275
f3e9c5c5
ILT		 3276 PR 6049
3277 * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
3278 functions.
3279 (class General_options): Remove existing --undefined, and add
3280 --no-undefined instead. Add new --undefined as synonym for -u.
3281 * archive.cc (Archive::add_symbols): Check whether symbol was
3282 named with -u.
3283 * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
3284 * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
3285 all uses. Add IS_UNDEFINED. Update declarations to split
3286 different versions of init_base. Declare init_base_undefined.
3287 (Symbol::is_defined): Handle IS_UNDEFINED.
3288 (Symbol::is_undefined): Likewise.
3289 (Symbol::is_weak_undefined): Call is_undefined.
3290 (Symbol::is_absolute): Handle IS_CONSTANT.
3291 (class Sized_symbol): Update declarations to split different
3292 versions of init. Declare init_undefined.
3293 (class Symbol_table): Declare new functions.
3294 * symtab.cc (Symbol::init_base_object): Rename from init_base.
3295 Change all callers.
3296 (Symbol::init_base_output_data): Likewise.
3297 (Symbol::init_base_output_segment): Likewise.
3298 (Symbol::init_base_constant): Likewise.
3299 (Symbol::init_base_undefined): New function.
3300 (Sized_symbol::init_object): Rename from init. Change all
3301 callers.
3302 (Sized_symbol::init_output_data): Likewise.
3303 (Sized_symbol::init_output_segment): Likewise.
3304 (Sized_symbol::init_constant): Likewise.
3305 (Sized_symbol::init_undefined): New function.
3306 (Symbol_table::add_undefined_symbols_from_command_line): New
3307 function.
3308 (Symbol_table::do_add_undefined_symbols_from_command_line): New
3309 function.
3310 (Symbol::final_value_is_known): Handle IS_UNDEFINED.
3311 (Symbol::output_section): Likewise.
3312 (Symbol::set_output_section): Likewise.
3313 (Symbol_table::sized_finalize_symbol): Likewise.
3314 (Symbol_table::sized_write_globals): Likewise.
3315 * resolve.cc (Symbol_table::should_override): Likewise.
3316 (Symbol::override_base_with_special): Likewise.
3317
8bdcdf2c
ILT		 3318 * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
3319 symbol, change it to have default visibility.
3320 * testsuite/protected_1.cc: New file.
3321 * testsuite/protected_2.cc: New file.
3322 * testsuite/protected_3.cc: New file.
3323 * testsuite/protected_main_1.cc: New file.
3324 * testsuite/protected_main_2.cc: New file.
3325 * testsuite/protected_main_3.cc: New file.
3326 * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
3327 (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
3328 (protected_1_LDFLAGS, protected_1_LDADD): Define.
3329 (protected_1.so): New target.
3330 (protected_1_pic.o, protected_2_pic.o): New targets.
3331 (protected_3_pic.o): New target.
3332 (check_PROGRAMS): Add protected_2.
3333 (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
3334 (protected_2_LDFLAGS, protected_2_LDADD): Define.
3335 * testsuite/Makefile.in: Rebuild.
3336
2b706932
ILT		 3337 * options.h (DEFINE_var): Add set_user_set_##varname__.
3338 (DEFINE_bool_alias): New macro.
3339 (class General_options): Define -Bstatic using DEFINE_bool_alias
3340 rather than DEFINE_special. Add --undefined as an alias for -z
3341 defs.
3342 * options.cc (General_options::parse_Bstatic): Remove.
3343
d82a5bcc
ILT		 3344 * options.h (class General_options): Add --fatal-warnings.
3345 * main.cc (main): Implement --fatal-warnings.
3346 * errors.h (Errors::warning_count): New function.
3347
f1f70eae
ILT		 3348 * options.h (class General_options): Add -Bsymbolic-functions.
3349 * symtab.h (Symbol::is_preemptible): Check for
3350 -Bsymbolic-functions.
3351
8825ac63
ILT		 33522008-05-05 Ian Lance Taylor <iant@google.com>
3353
d98bc257
ILT		 3354 * options.h (DEFINE_bool): For DASH_Z, create the negative option
3355 as noVARNAME rather than no-VARNAME.
3356 (class General_options): Add option -z combreloc.
3357 * output.h (class Output_reloc) [SHT_REL]: Declare compare and
3358 get_address.
3359 (Output_reloc::sort_before) [SHT_REL]: New function.
3360 (Output_reloc::sort_before) [SHT_RELA]: New function.
3361 (class Output_data_reloc_base): Add sort_relocs_ field. Define
3362 Sort_relocs_comparison.
3363 (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
3364 parameter. Change all callers.
3365 (Output_data_reloc::Output_data_reloc) [both versions]: Add
3366 sort_relocs parameter. Change all callers.
3367 * output.cc (Output_reloc::get_address): New function, broken out
3368 of write_rel.
3369 (Output_reloc::write_rel): Call it.
3370 (Output_reloc::compare): New function.
3371 (Output_data_reloc_base::do_write): Optionally sort relocs.
3372
60b2b4e7
ILT		 3373 * configure.ac: If targ_extra_obj is set, link it in.
3374 * configure.tgt: Initialize all variables.
3375 (x86_64*): Set targ_extra_obj and targ_extra_size.
3376 * configure: Rebuild.
3377
8825ac63
ILT		 3378 * object.cc (Sized_relobj::include_section_group): Adjust section
3379 indexes read from group data. Build vector to pass to
3380 layout_group.
3381 * layout.cc (Layout::layout_group): Add flags and shndxes
3382 parameters. Remove contents parameter. Change caller. Update
3383 explicit instantiations.
3384 * layout.h (class Layout): Update layout_group declaration.
3385 * output.cc (Output_data_group::Output_data_group): Add flags and
3386 input_shndxes parameters. Remove contents parameter. Change
3387 caller.
3388 (Output_data_group::do_write): Change input_sections_ to
3389 input_shndxes_.
3390 * output.h (class Output_data_group): Update constructor
3391 declaration. Rename input_sections_ to input_shndxes_.
3392 * testsuite/many_sections_test.cc: Add template.
3393
e94cf127
CC		 33942008-04-30 Cary Coutant <ccoutant@google.com>
3395
4418b2d5
CC		 3396 * target-reloc.h (relocate_section): Fix dead-pointer bug.
3397
e94cf127
CC		 3398 * layout.cc (Layout::include_section): Refactored check for debug
3399 info section.
3400 (Layout::add_comdat): Add new parameters. Change type
3401 of signature parameter. Add object and shndx to signatures table.
3402 (Layout::find_kept_object): New function.
3403 * layout.h: Include <cstring>.
3404 (Layout::is_debug_info_section): New function.
3405 (Layout::add_comdat): Add new parameters.
3406 (Layout::find_kept_object): New function.
3407 (Layout::Kept_section): New struct.
3408 (Layout::Signatures): Change type of map range.
3409 * object.cc (Relobj::output_section_address): New function.
3410 (Sized_relobj::include_section_group): Add new parameters. Change
3411 calls to Layout::add_comdat. Change to build table of kept comdat
3412 groups and table mapping discarded sections to kept sections.
3413 (Sized_relobj::include_linkonce_section): Likewise. Add new parameter.
3414 (Sized_relobj::do_layout): Change calls to include_section_group and
3415 include_linkonce_section.
3416 (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
3417 value to zero when section is discarded.
3418 (Sized_relobj::map_to_kept_section): New function.
3419 * object.h (Relobj::output_section_address): New function.
3420 (Relobj::Comdat_group): New type.
3421 (Relobj::find_comdat_group): New function.
3422 (Relobj::Comdat_group_table): New type.
3423 (Relobj::Kept_comdat_section): New type.
3424 (Relobj::Kept_comdat_section_table): New type.
3425 (Relobj::add_comdat_group): New function.
3426 (Relobj::set_kept_comdat_section): New function.
3427 (Relobj::get_kept_comdat_section): New function.
3428 (Relobj::comdat_groups_): New field.
3429 (Relobj::kept_comdat_sections_): New field.
3430 (Symbol_value::input_value): Update comment.
3431 (Sized_relobj::map_to_kept_section) New function.
3432 (Sized_relobj::include_linkonce_section): Add new parameter.
3433 * target-reloc.h (Comdat_behavior): New type.
3434 (get_comdat_behavior): New function.
3435 (relocate_section): Add code to map a discarded section to the
3436 corresponding kept section when applying a relocation.
3437
e4e5049b
CS		 34382008-04-30 Craig Silverstein <csilvers@google.com>
3439
3440 * dwarf_reader.cc (next_generation_count): New static var.
3441 (Addr2line_cache_entry): New struct.
3442 (addr2line_cache): New static var.
3443 (Dwarf_line_info::one_addr2line): Added caching.
3444 (Dwarf_line_info::clear_addr2line_cache): New function.
3445 * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
3446 cache-size parameter.
3447 (Dwarf_line_info::one_addr2line_cache): New function.
3448 * symtab.cc (Symbol_table::detect_odr_violations): Pass
3449 new cache-size argument to one_addr2line(), and clear cache.
3450
d09e9154
CC		 34512008-04-28 Cary Coutant <ccoutant@google.com>
3452
3453 * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
3454 R_386_PC8 relocations.
3455
7ef73768
ILT		 34562008-04-23 Ian Lance Taylor <iant@google.com>
3457
55438702
ILT		 3458 * object.cc (Sized_relobj::include_section_group): Check for
3459 invalid section group.
3460
c165fb93
ILT		 3461 * object.cc (make_elf_object): Correct test for 64-bit ELF file
3462 header size.
3463
7ef73768
ILT		 3464 * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
3465 than read for file header.
3466 * archive.cc (Archive::include_member): Likewise.
3467
6194aaab
L		 34682008-04-23 Paolo Bonzini <bonzini@gnu.org>
3469
3470 * aclocal.m4: Regenerate.
3471 * configure: Regenerate.
3472
d491d34e
ILT		 34732008-04-19 Ian Lance Taylor <iant@google.com>
3474
5ea2bac6
ILT		 3475 * version.cc (version_string): Bump to 1.6.
3476
7bc3e21a
ILT		 3477 * testsuite/Makefile.am (many_sections_r_test): New target.
3478 (many_sections_r_test_SOURCES): Remove.
3479 (many_sections_r_test_DEPENDENCIES): Remove.
3480 (many_sections_r_test_LDFLAGS): Remove.
3481 (many_sections_r_test_LDADD): Remove.
3482
7fcd3aa9
ILT		 3483 * object.cc (Sized_relobj::do_add_symbols): Always pass
3484 local_symbol_count_ to add_from_relobj.
3485
4c94d6ae
ILT		 3486 * testsuite/Makefile.am (many_sections_check.h): Only check one in
3487 every thousand variables.
3488 * testsuite/Makefile.in: Rebuild.
3489
d491d34e
ILT		 3490 * object.cc (Xindex::initialize_symtab_xindex): New function.
3491 (Xindex::read_symtab_xindex): New function.
3492 (Xindex::sym_xindex_to_shndx): New function.
3493 (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
3494 available.
3495 (Sized_relobj::do_initialize_xindex): New function.
3496 (Sized_relobj::do_read_symbols): Adjust section links.
3497 (Sized_relobj::symbol_section_and_value): Add is_ordinary
3498 parameter. Change all callers.
3499 (Sized_relobj::include_section_group): Adjust section links and
3500 symbol section indexes.
3501 (Sized_relobj::do_layout): Adjust section links.
3502 (Sized_relobj::do_count_local_symbols): Adjust section links and
3503 symbol section indexes.
3504 (Sized_relobj::do_finalize_local_symbols): Distinguish between
3505 ordinary and special symbols.
3506 (Sized_relobj::write_local_symbols): Add symtab_xindex and
3507 dynsym_xindex parameters. Change all callers. Adjust section
3508 links. Use SHN_XINDEX when needed.
3509 (Sized_relobj::get_symbol_location_info): Adjust section links.
3510 Don't get fooled by special symbols.
3511 * object.h (class Xindex): Define.
3512 (class Object): Add xindex_ parameter. Declare virtual functoin
3513 do_initialize_xindex.
3514 (Object::adjust_sym_shndx): New function.
3515 (Object::set_xindex): New protected function.
3516 (class Symbol_value): Add is_ordinary_shndx_ field.
3517 (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
3518 (Symbol_value::value): Assert ordinary section.
3519 (Symbol_value::initialize_input_to_output_map): Likewise.
3520 (Symbol_value::set_input_shndx): Add is_ordinary parameter.
3521 Change all callers.
3522 (Symbol_value::input_shndx): Add is_ordinary parameter. Change
3523 all callers.
3524 (class Sized_relobj): Update declarations.
3525 (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
3526 parameter. Change all callers.
3527 (Sized_relobj::adjust_shndx): New function.
3528 * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
3529 field.
3530 (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
3531 parameter. Change all callers. Pick up SHT_DYNSYM_SHNDX section
3532 for SHT_DYNSYM section if available. Set dynsym_shndx_ field.
3533 (Sized_dynobj::read_dynsym_section): Adjust section links.
3534 (Sized_dynobj::read_dynamic): Likewise.
3535 (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field. Adjust
3536 section links.
3537 (Sized_dynobj::do_initialize_xindex): New function.
3538 * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field. Declare
3539 do_initialize_xindex.
3540 (Sized_dynobj::adjust_shndx): New function.
3541 * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
3542 dynsym_xindex_ fields.
3543 (Layout::finalize): Add a call to set_section_indexes before
3544 creating the symtab sections.
3545 (Layout::set_section_indexes): Don't do anything if the section
3546 already has a section index.
3547 (Layout::create_symtab_sections): Add shnum parameter. Change
3548 caller. Create .symtab_shndx section if needed.
3549 (Layout::create_shdrs): Add shstrtab_section parameter. Change
3550 caller.
3551 (Layout::allocated_output_section_count): New function.
3552 (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
3553 needed.
3554 * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
3555 fields. Update declarations.
3556 (Layout::symtab_xindex): New function.
3557 (Layout::dynsym_xindex): New function.
3558 (class Write_symbols_task): Add layout_ field.
3559 (Write_symbols_task::Write_symbols_task): Add layout parameter.
3560 Change caller.
3561 * output.cc (Output_section_headers::Output_section_headers): Add
3562 shstrtab_section parameter. Change all callers.
3563 (Output_section_headers::do_sized_write): Store overflow values
3564 for section count and section string table section index in
3565 section header zero.
3566 (Output_file_header::do_sized_write): Check for overflow of
3567 section count and section string table section index.
3568 (Output_symtab_xindex::do_write): New function.
3569 (Output_symtab_xindex::endian_do_write): New function.
3570 * output.h (class Output_section_headers): Add shstrtab_section_.
3571 Update declarations.
3572 (class Output_symtab_xindex): Define.
3573 (Output_section::has_out_shndx): New function.
3574 * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
3575 field.
3576 (Symbol::init_base): Add st_shndx and is_ordinary parameters.
3577 Change all callers.
3578 (Sized_symbol::init): Likewise.
3579 (Symbol::output_section): Check for ordinary symbol.
3580 (Symbol_table::add_from_object): Remove orig_sym parameter. Add
3581 st_shndx, is_ordinary, and orig_st_shndx parameters. Change all
3582 callers.
3583 (Symbol_table::add_from_relobj): Add symndx_offset parameter.
3584 Change all callers. Simplify handling of symbols from sections
3585 not included in the link.
3586 (Symbol_table::add_from_dynobj): Handle ordinary symbol
3587 distinction.
3588 (Weak_alias_sorter::operator()): Assert that symbols are
3589 ordinary.
3590 (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
3591 distinction.
3592 (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
3593 parameters. Change all callers.
3594 (Symbol_table::sized_write_globals): Likewise. Handle ordinary
3595 symbol distinction. Use SHN_XINDEX when needed.
3596 (Symbol_table::write_section_symbol): Add symtab_xindex
3597 parameter. Change all callers.
3598 (Symbol_table::sized_write_section_symbol): Likewise. Use
3599 SHN_XINDEX when needed.
3600 * symtab.h (class Symbol): Add is_ordinary_shndx_ field. Update
3601 declarations.
3602 (Symbol::shndx): Add is_ordinary parameter. Change all callers.
3603 (Symbol::is_defined): Check is_ordinary.
3604 (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
3605 (Symbol::is_absolute, Symbol::is_common): Likewise.
3606 (class Sized_symbol): Update declarations.
3607 (class Symbol_table): Update declarations.
3608 * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
3609 parameters. Change all callers.
3610 (Sized_symbol::override): Likewise.
3611 (Symbol_table::override): Likewise.
3612 (symbol_to_bits): Add is_ordinary parameter. Change all callers.
3613 (Symbol_table::resolve): Remove orig_sym parameter. Add st_shndx,
3614 is_ordinary, and orig_st_shndx parameters. Change all callers.
3615 * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
3616 to be in an ordinary section.
3617 * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
3618 object and is_ordinary parameters. Change all callers.
3619 (Sized_dwarf_line_info::read_relocs): Add object parameter.
3620 Change all callers. Don't add undefined or non-ordinary symbols
3621 to reloc_map_.
3622 (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
3623 Change all callers.
3624 * dwarf_reader.h (class Sized_dwarf_line_info): Update
3625 declarations.
3626 * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
3627 * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
3628 (Sized_relobj::relocate_sections): Likewise.
3629 * target-reloc.h (scan_relocs): Adjust section symbol index.
3630 (scan_relocatable_relocs): Likewise.
3631 * i386.cc (Scan::local): Check for ordinary symbols.
3632 * sparc.cc (Scan::local): Likewise.
3633 * x86_64.cc (Scan::local): Likewise.
3634 * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
3635 to symbol_section_and_value.
3636 * testsuite/many_sections_test.cc: New file.
3637 * testsuite/Makefile.am (BUILT_SOURCES): Define.
3638 (check_PROGRAMS): Add many_sections_test.
3639 (many_sections_test_SOURCES): Define.
3640 (many_sections_test_DEPENDENCIES): Define.
3641 (many_sections_test_LDFLAGS): Define.
3642 (BUILT_SOURCES): Add many_sections_define.h.
3643 (many_sections_define.h): New target.
3644 (BUILT_SOURCES): Add many_sections_check.h.
3645 (many_sections_check.h): New target.
3646 (check_PROGRAMS): Add many_sections_r_test.
3647 (many_sections_r_test_SOURCES): Define.
3648 (many_sections_r_test_DEPENDENCIES): Define.
3649 (many_sections_r_test_LDFLAGS): Define.
3650 (many_sections_r_test_LDADD): Define.
3651 (many_sections_r_test.o): New target.
3652 * testsuite/Makefile.in: Rebuild.
3653
c5818ff1
CC		 36542008-04-17 Cary Coutant <ccoutant@google.com>
3655
3656 * errors.cc (Errors::info): New function.
3657 (gold_info): New function.
3658 * errors.h (Errors::info): New function.
3659 * gold.h (gold_info): New function.
3660 * object.cc (Input_objects::add_object): Print trace output.
3661 * options.cc (options::parse_set): New function.
3662 (General_options::parse_wrap): Deleted.
3663 (General_options::General_options): Deleted initializer.
3664 * options.h (options::String_set): New typedef.
3665 (options::parse_set): New function.
3666 (DEFINE_set): New macro.
3667 (General_options::wrap): Changed to use DEFINE_set. Changed
3668 callers of any_wrap_symbols and is_wrap_symbol.
3669 (General_options::trace, General_options::trace_symbol):
3670 New options.
3671 (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
3672 (General_options::wrap_symbols_): Deleted.
3673 * symtab.cc (Symbol_table::add_from_object): Print trace output.
3674
b5be4a7c
DM		 36752008-04-17 David S. Miller <davem@davemloft.net>
3676
3677 * options.cc (General_options::parse_V): New function.
3678 * options.h: Add entries for -V and -Qy.
3679
155a0dd7
ILT		 36802008-04-17 Ian Lance Taylor <iant@google.com>
3681
3682 * common.cc (Symbol_table::allocate_commons): Remove options
3683 parameter. Change caller.
3684 (Symbol_table::do_allocate_commons): Remove options parameter.
3685 Change caller. Just call do_allocate_commons_list twice.
3686 (Symbol_table::do_allocate_commons_list): New function, broken out
3687 of do_allocate_commons.
3688 * common.h (class Allocate_commons_task): Remove options_ field.
3689 Update constructor.
3690 * symtab.cc (Symbol_table::Symbol_table): Initialize
3691 tls_commons_.
3692 (Symbol_table::add_from_object): Put TLS common symbols on
3693 tls_commons_ list.
3694 (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
3695 which are IN_OUTPUT_DATA.
3696 * symtab.h (class Symbol_table): Add tls_commons_ field. Update
3697 allocate_commons and do_allocate_commons declarations. Declare
3698 do_allocate_commons_list.
3699 * gold.cc (queue_middle_tasks): Update creation of
3700 Allocate_commons_task to not pass options.
3701 * testsuite/Makefile.am (INCLUDES): Add -I.. .
3702 (TLS_TEST_C_FLAGS): New variable.
3703 (tls_test_c_pic.o): New target.
3704 (tls_test_shared.so): Link in tls_test_c_pic.o.
3705 (tls_test_c_pic_ie.o): New target.
3706 (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
3707 (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
3708 (tls_test_c.o): New target.
3709 (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
3710 (tls_pic_test_LDADD): Likewise.
3711 (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
3712 (tls_shared_gd_to_ie_test_LDADD): Likewise.
3713 (tls_test_c_gnu2.o): New target.
3714 (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
3715 tls_test_c_gnu2.o.
3716 (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
3717 (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
3718 (tls_test_shared_nonpic.so): Link in tls_test_c.o.
3719 * testsuite/tls_test.cc: Include "config.h".
3720 (t_last): Call t11_last.
3721 * testsuite/tls_test.h (t11, t11_last): Declare.
3722 * testsuite/tls_test_c.c: New file.
3723 * testsuite/tls_test_main.cc (thread_routine): Call t11.
3724 * configure.ac: Check for OpenMP support.
3725 * configure, config.in, Makefile.in: Rebuild.
3726 * testsuite/Makefile.in: Rebuild.
3727
edfbb029
CC		 37282008-04-16 Cary Coutant <ccoutant@google.com>
3729
3730 * i386.cc (Target_i386::define_tls_base_symbol): New function.
3731 (Target_i386::tls_base_symbol_defined_): New field.
3732 (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
3733 (Target_i386::Scan::global): Likewise.
3734 * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
3735 * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
3736 (Target_x86_64::tls_base_symbol_defined_): New field.
3737 (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
3738 (Target_x86_64::Scan::global): Likewise.
3739
f3c69fca
CC		 37402008-04-16 Cary Coutant <ccoutant@google.com>
3741
3742 * symtab.h (Symbol::is_strong_undefined): Removed unused function.
3743 (Symbol::needs_plt_entry): Allow weak undefined symbols.
3744 (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
3745 building shared libraries.
3746 * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
3747 (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
3748 (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
3749 * testsuite/Makefile.in: Rebuild.
3750 * testsuite/weak_undef.h: New file.
3751 * testsuite/weak_undef_file1.cc: Add extra test cases.
3752 * testsuite/weak_undef_file2.cc: Likewise.
3753 * testsuite/weak_undef_test.cc: Likewise.
3754
7c414435
DM		 37552008-04-16 David S. Miller <davem@davemloft.net>
3756
32b769e1
DM		 3757 * sparc.cc (Target_sparc::Scan): Change from struct to class.
3758 Add issued_non_pic_error_ field. Declare check_non_pic.
3759 (Target_sparc::Scan::check_non_pic): New function.
3760 (Target_sparc::Scan::local): Call check_non_pic as appropriate.
3761 (Target_sparc::Scan::global): Likewise.
3762
11936fb1
DM		 3763 * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
3764 * configure: Rebuild.
3765
7c414435
DM		 3766 * options.h (DEFINE_enable): New macro.
3767 (new_dtags): New enable option.
3768 (initfirst, interpose, loadfltr, nodefaultlib,
3769 nodelete, nodlopen, nodump): New -z options.
3770 * layout.cc (Layout:finish_dynamic_section): If new
3771 dtags enabled, emit DT_RUNPATH. Also, emit a
3772 DT_FLAGS_1 containing any specified -z flags.
3773
85c7bf8b
ILT		 37742008-04-16 Ian Lance Taylor <iant@google.com>
3775
12c0daef
ILT		 3776 * copy-relocs.cc: New file.
3777 * copy-relocs.h: New file.
3778 * reloc.cc: Remove Copy_relocs code.
3779 * reloc.h: Likewise.
3780 * reloc-types.h (struct Reloc_types) [both versions]: Add
3781 get_reloc_addend_noerror.
3782 * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
3783 variants of add_global which take an addend which must be zero.
3784 * i386.cc: Include "copy-relocs.h".
3785 (class Target_i386): Change type of copy_relocs_ to variable,
3786 update initializer.
3787 (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
3788 Change all callers.
3789 (Target_i386::do_finalize_sections): Change handling of
3790 copy_relocs_.
3791 * sparc.cc: Include "copy-relocs.h".
3792 (class Target_sparc): Change type of copy_relocs_ to variable,
3793 update initializer.
3794 (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
3795 Change all callers.
3796 (Target_sparc::do_finalize_sections): Change handling of
3797 copy_relocs_.
3798 * x86_64.cc: Include "copy-relocs.h".
3799 (class Target_x86_64): Change type of copy_relocs_ to variable,
3800 update initializer.
3801 (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
3802 class. Change all callers.
3803 (Target_x86_64::do_finalize_sections): Change handling of
3804 copy_relocs_.
3805 * Makefile.am (CCFILES): Add copy-relocs.cc.
3806 (HFILES): Add copy-relocs.h.
3807
4f4995b6
ILT		 3808 * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
3809
85c7bf8b
ILT		 3810 * testsuite/script_test_4.sh: Permit leading zeroes.
3811
4f2a9edd
ILT		 38122008-04-15 Ian Lance Taylor <iant@google.com>
3813
e6188289
ILT		 3814 * script-sections.cc (Script_sections::create_segments): Use
3815 header_size_adjustment even when there is enough room for the
3816 headers.
3817 * testsuite/script_test_4.sh: New file.
3818 * testsuite/script_test_4.t: New file.
3819 * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
3820 (check_DATA): Add script_test_4.stdout.
3821 (MOSTLYCLEANFILES): Likewise.
3822 (script_test_4): New target.
3823 (script_test_4.stdout): New target.
3824 * testsuite/Makefile.in: Rebuild.
3825
4f2a9edd
ILT		 3826 * sparc.cc: Add definitions for Output_data_plt_sparc class
3827 constants.
3828
f5314dd5
DM		 38292008-04-14 David S. Miller <davem@davemloft.net>
3830
3831 * sparc.cc: New file.
3832 * Makefile.am (TARGETSOURCES): Add sparc.cc
3833 (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
3834 * configure.tgt: Document targ_extra_size and
3835 targ_extra_big_endian. Add entries for sparc-* and
3836 sparc64-*.
3837 * configure.ac: Handle targ_extra_size and
3838 targ_extra_big_endian.
3839 * Makefile.in: Rebuild.
3840 * configure: Likewise.
3841 * po/POTFILES.in: Likewise.
3842 * po/gold.pot: Likewise.
3843
154e0e9a
ILT		 38442008-04-14 Ian Lance Taylor <iant@google.com>
3845
3846 * layout.cc (Layout::Layout): Initialize sections_are_attached_.
3847 (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
3848 in the name/type/flags to section mapping. Don't call
3849 allocate_output_section.
3850 (Layout::choose_output_section): Change parameter from adjust_name
3851 to is_input_section. Don't permit input sections after sections
3852 are attached to segments. Don't call allocate_output_section.
3853 (Layout::layout_eh_frame): Call update_flags_for_input_section,
3854 not write_enable_output_section.
3855 (Layout::make_output_section): Don't push to
3856 unattached_section_list_ nor call attach_to_segment. Call
3857 attach_section_to_segment if sections are attached.
3858 (Layout::attach_sections_to_segments): New function.
3859 (Layout::attach_section_to_segment): New function.
3860 (Layout::attach_allocated_section_to_segment): Rename from
3861 attach_to_segment. Remove flags parameter.
3862 (Layout::allocate_output_section): Remove function.
3863 (Layout::write_enable_output_section): Remove function.
3864 * layout.h (class Layout): Update for above changes. Add new
3865 field sections_are_attached_.
3866 * output.h (Output_section::update_flags_for_input_section): New
3867 function.
3868 * output.cc (Output_section::add_input_section): Call
3869 update_flags_for_input_section.
3870 * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
3871
009a67a2
CC		 38722008-04-11 Cary Coutant <ccoutant@google.com>
3873
3874 * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
3875 thought unnecessary.
3876 * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
3877
759b1a24
ILT		 38782008-04-11 Ian Lance Taylor <iant@google.com>
3879
3880 * output.h (class Output_section_data): Remove inline definition
3881 of set_addralign.
3882 * output.cc (Output_section_data::set_addralign): New function.
3883
c2b45e22
CC		 38842008-04-11 Cary Coutant <ccoutant@google.com>
3885
3886 Add support for TLS descriptors for i386 and x86_64.
3887 * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
3888 (Target_i386::Relocate::tls_desc_gd_to_le): New function.
3889 (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
3890 GOT_TYPE_TLS_DESC.
3891 (Target_i386::got_mod_index_entry): Remove unnecessary code.
3892 (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
3893 R_386_TLS_DESC_CALL relocations. Fix problem with initial-exec
3894 relocations.
3895 (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
3896 Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
3897 Fix problem with initial-exec relocations.
3898 (Target_i386::Relocate::relocate_tls): Likewise.
3899 (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
3900 relaxation.
3901 * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
3902 support for section-plus-offset dynamic table entries.
3903 * output.h (Output_data_dynamic::add_section_plus_offset): New function.
3904 (Output_data_dynamic::Dynamic_entry): Add support for
3905 section-plus-offset dynamic table entries.
3906 (Output_data_dynamic::Classification): Likewise.
3907 (Output_data_dynamic::classification_): Renamed offset_.
3908 * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
3909 (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
3910 (Target_x86_64::make_plt_section): New function.
3911 (Target_x86_64::reserve_tlsdesc_entries): New function.
3912 (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
3913 (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
3914 (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
3915 (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
3916 (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
3917 (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
3918 (Output_data_plt_x86_64::set_final_data_size): Move out of line;
3919 add extra PLT entry for TLS descriptors.
3920 (Output_data_plt_x86_64::got_): New field.
3921 (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
3922 (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
3923 fields.
3924 (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
3925 descriptors.
3926 (Target_x86_64::make_plt_entry): Factor out make_plt_section.
3927 (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
3928 (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
3929 R_386_TLS_DESC_CALL relocations.
3930 (Target_x86_64::Scan::global): Likewise.
3931 (Target_x86_64::do_finalize_sections): Add dynamic table entries
3932 for TLS descriptors.
3933 (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
3934 Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
3935 (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
3936 GD-to-IE relaxation.
3937 * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
3938 and TLS_DESCRIPTORS.
3939 * Makefile.in: Rebuild.
3940 * configure: Rebuild.
3941 * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
3942 (tls_test_shared2.so): New target.
3943 (tls_shared_gd_to_ie_test_SOURCES): New variable.
3944 (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
3945 (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
3946 (tls_shared_gd_to_ie_test_LDADD): New variable.
3947 (tls_shared_gnu2_gd_to_ie_test): New target.
3948 (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
3949 New targets.
3950 (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
3951 (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
3952 (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
3953 (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
3954 (tls_shared_gnu2_test): New target.
3955 (tls_test_gnu2_shared.so): New target.
3956 (tls_shared_gnu2_test_SOURCES): New variable.
3957 (tls_shared_gnu2_test_DEPENDENCIES): New variable.
3958 (tls_shared_gnu2_test_LDFLAGS): New variable.
3959 (tls_shared_gnu2_test_LDADD): New variable.
3960 * testsuite/Makefile.in: Rebuild.
3961 * testsuite/Makefile.
3962
83bfb6b7
ILT		 39632008-04-11 Ian Lance Taylor <iant@google.com>
3964
3965 * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
3966 justsyms.t.
3967 * testsuite/Makefile.in: Rebuild.
3968
3969 * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
3970 long.
3971 * testsuite/script_test_2.cc (main): Adjust test.
3972
706e1f5e
ILT		 39732008-04-11 David S. Miller <davem@davemloft.net>
3974 Ian Lance Taylor <iant@google.com>
3975
3976 * options.h (General_options): Add entries for '-Y' and
3977 '-relax'.
3978 * options.cc (General_options:finalize): If -Y was used, add those
3979 entries to the library path instead of the default "/lib" and
3980 "/usr/lib".
3981
7c98e6bb
DM		 39822008-04-11 David S. Miller <davem@davemloft.net>
3983
3984 * testsuite/justsyms.t: Start at 0x100.
3985 * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
83bfb6b7
ILT		 3986 * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
3987 long.
3988 * testsuite/script_test_2.cc: Adjust string and section length
3989 checks.
7c98e6bb 3990
99a37bfd
ILT		 39912008-04-09 Ian Lance Taylor <iant@google.com>
3992
2cefc357
ILT		 3993 PR gold/5996
3994 * script-sections.cc (Sections_element::allocate_to_segment): Add
3995 orphan parameter.
3996 (Output_section_definition::allocate_to_segment): Likewise.
3997 (Orphan_output_section::allocate_to_segment): Likewise.
3998 (Script_sections::attach_sections_using_phdrs_clause): Don't
3999 propagate non-PT_LOAD segments to orphan sections.
4000 * testsuite/Makefile.am (script_test_3.stdout): Generate using
4001 readelf rather than objdump.
4002 * testsuite/script_test_3.sh: Adjust accordingly. Test that
4003 .interp section and PT_INTERP segment are the same size.
4004 * testsuite/Makefile.in: Rebuild.
4005
99a37bfd
ILT		 4006 * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
4007 aliases for symbols defined in the same object.
4008 * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
4009 (weak_alias_test_SOURCES): New variable.
4010 (weak_alias_test_DEPENDENCIES): New variable.
4011 (weak_alias_test_LDFLAGS): New variable.
4012 (weak_alias_test_LDADD): New variable.
4013 (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
4014 (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
4015 (weak_alias_test_3.o): New target.
4016 (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
4017 * testsuite/weak_alias_test_main.cc: New file.
4018 * testsuite/weak_alias_test_1.cc: New file.
4019 * testsuite/weak_alias_test_2.cc: New file.
4020 * testsuite/weak_alias_test_3.cc: New file.
4021
780e49c5
ILT		 40222008-04-08 Ian Lance Taylor <iant@google.com>
4023
cdb0b8f5
ILT		 4024 * options.h (class General_options): Add --noinhibit-exec option.
4025 * main.cc (main): Check --noinhibit-exec.
4026
0864d551
ILT		 4027 * options.h (class General_options): Define --wrap as a special
4028 option. Add wrap_symbols_ field.
4029 (General_options::any_wrap_symbols): New function.
4030 (General_options::is_wrap_symbol): New function.
4031 * options.cc (General_options::parse_wrap): New function.
4032 (General_options::General_options): Initialize wrap_symbols_.
4033 * symtab.cc (Symbol_table::wrap_symbol): New function.
4034 (Symbol_table::add_from_object): Handle --wrap.
4035 * symtab.h (class Symbol_table): Declare wrap_symbol.
4036 * target.h (Target::wrap_char): New function.
4037 (Target::Target_info): Add wrap_char field.
4038 * i386.cc (Target_i386::i386_info): Initialize wrap_char.
4039 * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
4040 * testsuite/testfile.cc (Target_test::test_target_info):
4041 Likewise.
4042
789aa6de
ILT		 4043 * errors.cc (Errors::undefined_symbol): Mention symbol version if
4044 there is one.
4045
2c38906f
ILT		 4046 * layout.h (class Layout): Add added_eh_frame_data_ field.
4047 * layout.cc (Layout::Layout): Initialize new field.
4048 (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
4049 output section until we find a section we merged successfully.
4050 * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
4051 that the size be non-zero.
4052
780e49c5
ILT		 4053 * merge.cc (Object_merge_map::get_output_offset): Remove inline
4054 qualifier.
4055
7fcd0256
ILT		 40562008-04-08 Craig Silverstein <csilvers@google.com>
4057
4058 * configure.ac: Export new conditional variable HAVE_ZLIB.
4059 * testsuite/Makefile.am (flagstest_o_specialfile): Condition
4060 on HAVE_ZLIB.
4061 (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
4062 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
4063
6835af53
ILT		 40642008-04-07 Ian Lance Taylor <iant@google.com>
4065
e24f324c
ILT		 4066 * version.cc (version_string): Set to "1.5".
4067
a036edd8
ILT		 4068 * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
4069 Add issued_non_pic_error_ field. Declare check_non_pic.
4070 (Target_x86_64::Scan::check_non_pic): New function.
4071 (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
4072 (Target_x86_64::Scan::global): Likewise.
4073
624f8810
ILT		 4074 * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
4075 addend parameter. Change caller. Handle merge sections.
4076 (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
4077 Address to Addend. Don't add in the result of
4078 local_section_offset, pass down the addend and use the returned
4079 value.
4080 * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
4081 Update declarations of local_section_offset and symbol_value.
4082 * testsuite/two_file_test_1.cc (t18): New function.
4083 * testsuite/two_file_test_2.cc (f18): New function.
4084 * testsuite/two_file_test_main.cc (main): Call t18.
4085 * testsuite/two_file_test.h (t18, f18): Declare.
4086
6835af53
ILT		 4087 * configure.ac: Don't test for objdump, c++filt, or readelf.
4088 * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
4089 conditionals.
4090 (TEST_READELF): New variable.
4091 (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
4092 (check_PROGRAMS): Add two_file_strip_test.
4093 (two_file_strip_test): New target.
4094 (check_PROGRAMS): Add two_file_same_shared_strip_test.
4095 (two_file_same_shared_strip_test_SOURCES): New variable.
4096 (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
4097 (two_file_same_shared_strip_test_LDFLAGS): New variable.
4098 (two_file_same_shared_strip_test_LDADD): New variable.
4099 (two_file_shared_strip.so): New target.
4100 (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
4101 (ver_test_5.syms, ver_test_7.syms): Likewise.
4102 (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
4103 (strip_test_3.stdout): Use TEST_OBJDUMP.
4104 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
4105
86925eef
CC		 41062008-04-04 Cary Coutant <ccoutant@google.com>
4107
4108 * symtab.h (Symbol::is_weak_undefined): New function.
4109 (Symbol::is_strong_undefined): New function.
4110 (Symbol::is_absolute): New function.
4111 (Symbol::needs_plt_entry): Exclude weak undefined symbols.
4112 (Symbol::needs_dynamic_reloc): Exclude weak undefined and
4113 absolute symbols.
4114 * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
4115 (weak_undef_test): New target.
4116 * testsuite/Makefile.in: Rebuild.
4117 * testsuite/weak_undef_file1.cc: New file.
4118 * testsuite/weak_undef_file2.cc: New file.
4119 * testsuite/weak_undef_test.cc: New file.
4120
126f3ece
ILT		 41212008-04-03 Craig Silverstein <csilvers@google.com>
4122
4123 * compressed_output.h (class Output_compressed_section): Use
4124 unsigned buffer.
4125 * compressed_output.cc (zlib_compress): Use unsigned buffers,
4126 add zlib header.
4127 (zlib_compressed_suffix): Removed.
4128 (Output_compressed_section::set_final_data_size): Use unsigned
4129 buffers.
4130 * testsuite/Makefile.am (flagstest_compress_debug_sections):
4131 Fix linker invocation.
4132 (flagstest_o_specialfile_and_compress_debug_sections):
4133 Likewise.
4134 * testsuite/Makefile.in: Regenerated.
4135
deae2a14
DM		 41362008-04-02 David S. Miller <davem@davemloft.net>
4137
4138 * dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
4139 Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
4140
70752818
ILT		 41412008-04-02 Craig Silverstein <csilvers@google.com>
4142
4143 * TODO: New file.
4144
39d0cb0e
ILT		 41452008-04-02 Ian Lance Taylor <iant@google.com>
4146
4147 * fileread.cc (File_read::find_view): Add byteshift and vshifted
4148 parameters. Update for new key type to views_. Change all
4149 callers.
4150 (File_read::read): Adjust for byteshift in returned view.
4151 (File_read::add_view): New function, broken out of
4152 find_and_make_view.
4153 (File_read::make_view): New function, broken out of
4154 find_and_make_view.
4155 (File_read::find_or_make_view): Add offset and aligned
4156 parameters. Rewrite accordingly. Change all callers.
4157 (File_read::get_view): Add offset and aligned parameters. Adjust
4158 for byteshift in return value.
4159 (File_read::get_lasting_view): Likewise.
4160 * fileread.h (class File_read): Update declarations.
4161 (class File_read::View): Add byteshift_ field. Add byteshift to
4162 constructor. Add byteshift method.
4163 * archive.h (Archive::clear_uncached_views): New function.
4164 (Archive::get_view): Add aligned parameter. Change all callers.
4165 * object.h (Object::get_view): Add aligned parameter. Change all
4166 callers.
4167 (Object::get_lasting_view): Likewise.
4168
4169 * fileread.cc (File_read::release): Don't call clear_views if
4170 there are multiple objects.
4171 * fileread.h (File_read::clear_uncached_views): New function.
4172 * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
4173 on the archive.
4174
a1207466
CC		 41752008-03-31 Cary Coutant <ccoutant@google.com>
4176
4177 Add thin archive support.
4178 * archive.cc (Archive::armagt): New const.
4179 (Archive::setup): Remove task parameter and calls to unlock.
4180 (Archive::unlock_nested_archives): New function.
4181 (Archive::read_header): Add nested_off parameter. Change
4182 all callers.
4183 (Archive::interpret_header): Likewise.
4184 (Archive::include_all_members): Change to handle thin
4185 archives.
4186 (Archive::include_member): Likewise.
4187 * archive.h (Archive::Archive): Add new parameters and
4188 initializers.
4189 (Archive::armagt): New const.
4190 (Archive::setup): Remove task parameter.
4191 (Archive::unlock_nested_archives): New function.
4192 (Archive::read_header): Add nested_off parameter.
4193 (Archive::interpret_header): Likewise.
4194 (Archive::Nested_archive_table): New typedef.
4195 (Archive::is_thin_archive_): New field.
4196 (Archive::nested_archives_): New field.
4197 (Archive::options_): New field.
4198 (Archive::dirpath_): New field.
4199 (Archive::task_): New field.
4200 * readsyms.cc (Read_symbols::do_read_symbols): Add check
4201 for thin archives. Pass additional parameters to
4202 Archive::Archive. Unlock the archive file after calling
4203 Archive::setup.
cd536b21 4204
479f6503
ILT		 42052008-03-29 Ian Lance Taylor <iant@google.com>
4206
686c8caf
ILT		 4207 * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
4208 version symbol to be local.
4209 * testsuite/ver_test_4.sh: New file.
4210 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
4211 (check_DATA): Add ver_test_4.syms.
4212 (ver_test_4.syms): New target.
4213 * testsuite/Makefile.in: Rebuild.
4214
ab794b6b
ILT		 4215 * output.cc
4216 (Output_section::Input_section_sort_entry::has_priority): New
4217 function.
4218 (Output_section::Input_section_sort_entry::match_file_name): New
4219 function.
4220 (Output_section::Input_section_sort_entry::match_section_name):
4221 Remove.
4222 (Output_section::Input_section_sort_entry::match_section_name_prefix):
4223 Remove.
4224 (Output_section::Input_section_sort_entry::match_section_file):
4225 Remove.
4226 (Output_section::Input_section_sort_compare::operator()): Rewrite
4227 using new Input_section_sort_entry functions. Sort crtbegin and
4228 crtend first. Sort sections with no priority before sections with
4229 a priority.
4230 * testsuite/initpri1.c (d3): Check j != 4.
4231 (cd5): New constructor/destructor function.
4232 (main): Check j != 2.
4233
479f6503
ILT		 4234 * symtab.cc (Symbol_table::add_from_object): If we don't use the
4235 new symbol when resolving, don't call set_is_default.
4236 * testsuite/ver_test_7.cc: New file.
4237 * testsuite/ver_test_7.sh: New file.
4238 * testsuite/Makefile.am (ver_test_7.so): New target.
4239 (ver_test_7.o): New target.
4240 (check_SCRIPTS): Add ver_test_7.sh.
4241 (check_DATA): Add ver_test_7.syms.
4242 (ver_test_7.syms): New target.
4243
2fd32231
ILT		 42442008-03-28 Ian Lance Taylor <iant@google.com>
4245
4246 * layout.cc (Layout::layout): If we see an input section with a
4247 name that needs sorting, set the must_sort flag for the output
4248 section.
4249 (Layout::make_output_section): If the name of the output section
4250 indicates that it might require sorting, set the may_sort flag.
4251 * output.h (Output_section::may_sort_attached_input_sections): New
4252 function.
4253 (Output_section::set_may_sort_attached_input_sections): New
4254 function.
4255 (Output_section::must_sort_attached_input_sections): New
4256 function.
4257 (Output_section::set_must_sort_attached_input_sections): New
4258 function.
4259 (class Output_section): Declare Input_section_sort_entry. Define
4260 Input_section_sort_compare. Declare
4261 sort_attached_input_sections. Add new fields:
4262 may_sort_attached_input_sections_,
4263 must_sort_attached_input_sections_,
4264 attached_input_sections_are_sorted_.
4265 * output.cc (Output_section::Output_section): Initialize new
4266 fields.
4267 (Output_section::add_input_section): Add an entry to
4268 input_sections_ if may_sort or must_sort are true.
4269 (Output_section::set_final_data_size): Call
4270 sort_attached_input_sections if necessary.
4271 (Output_section::Input_section_sort_entry): Define new class.
4272 (Output_section::Input_section_sort_compare::operator()): New
4273 function.
4274 (Output_section::sort_attached_input_sections): New function.
4275 * configure.ac: Check whether the compiler supports constructor
4276 priorities. Define a CONSTRUCTOR_PRIORITY automake conditional.
4277 * testsuite/initpri1.c: New file.
4278 * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
4279 CONSTRUCTOR_PRIORITY.
4280 (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
4281 (initpri1_LDFLAGS): New variable.
4282 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
4283
18e6b24e
ILT		 42842008-03-27 Ian Lance Taylor <iant@google.com>
4285
49bdd526
ILT		 4286 * common.cc (Sort_commons::operator): Correct sorting algorithm.
4287 * testsuite/common_test_1.c: New file.
4288 * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
4289 (common_test_1_SOURCES): New variable.
4290 (common_test_1_DEPENDENCIES): New variable.
4291 (common_test_1_LDFLAGS): New variable.
4292
18e6b24e
ILT		 4293 * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
4294 and commons_ correctly when NAME/VERSION does not override
4295 NAME/NULL.
4296 * testsuite/ver_test_6.c: New file.
4297 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
4298 (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
4299 (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
4300
04bf7072
ILT		 43012008-03-26 Ian Lance Taylor <iant@google.com>
4302
5871526f
ILT		 4303 * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
4304 of an undefined symbol from a version script.
4305 * testsuite/Makefile.am (ver_test_5.so): New target.
4306 (ver_test_5.o): New target.
4307 (check_SCRIPTS): Add ver_test_5.sh.
4308 (check_DATA): Add ver_test_5.syms.
4309 (ver_test_5.syms): New target.
4310 * testsuite/ver_test_5.cc: New file.
4311 * testsuite/ver_test_5.script: New file.
4312 * testsuite/ver_test_5.sh: New file.
4313 * Makefile.in, testsuite/Makefile.in: Rebuild.
4314
04bf7072
ILT		 4315 PR gold/5986
4316 Fix problems building gold with gcc 4.3.0.
4317 * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
4318 (gold_error_at_location, gold_warning_at_location): Use it.
4319 * configure.ac: Check whether we can compile and use a template
4320 function with a printf attribute.
4321 * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
4322 when jumping over bytes.
4323 * object.cc: Instantiate Object::read_section_data.
4324 * debug.h: Include <cstring>
4325 * dwarf_reader.cc: Include <algorithm>
4326 * main.cc: Include <cstring>.
4327 * options.cc: Include <cstring>.
4328 * output.cc: Include <cstring>.
4329 * script.cc: Include <cstring>.
4330 * script.h: Include <string>.
4331 * symtab.cc: Include <cstring> and <algorithm>.
4332 * target-select.cc: Include <cstring>.
4333 * version.cc: Include <string>.
4334 * testsuite/testmain.cc: Include <cstdlib>.
4335 * configure, config.in: Rebuild.
4336
874c5b28
ILT		 43372008-03-25 Ian Lance Taylor <iant@google.com>
4338
819d6c3a
ILT		 4339 * options.cc: Include "../bfd/bfdver.h".
4340 (options::help): Print bug reporting address.
4341
f4b2c6f5
ILT		 4342 * version.cc (print_version): Adjust output for current value of
4343 BFD_VERSION_STRING.
4344
4345 * NEWS: New file.
4346
e96caa79
ILT		 4347 * options.cc (options::help): Print list of supported targets.
4348 * target-select.h: Include <vector>.
4349 (class Target_selector): Make machine_, size_, and is_big_endian_
4350 fields const. Add bfd_name_ and instantiated_target_ fields.
4351 (Target_selector::Target_selector): Add bfd_name parameter.
4352 (Target_selector::recognize): Make non-virtual, call
4353 do_recognize.
4354 (Target_selector::recognize_by_name): Make non-virtual, call
4355 do_recognize_by_name.
4356 (Target_selector::supported_names): New function.
4357 (Target_selector::bfd_name): New function.
4358 (Target_selector::do_instantiate_target): New pure virtual
4359 function.
4360 (Target_selector::do_recognize): New virtual function.
4361 (Target_selector::do_recognize_by_name): New virtual function.
4362 (Target_selector::instantiate_target): New private function.
4363 (supported_target_names): Declare.
4364 * target-select.cc (Target_selector::Target_selector): Update for
4365 new parameter and fields.
4366 (select_target_by_name): Check that the name matches before
4367 calling recognize_by_name.
4368 (supported_target_names): New function.
4369 * i386.cc (class Target_selector_i386): Update Target_selector
4370 constructor call. Remove recognize and recognize_by_name. Add
4371 do_instantiate_target.
4372 * x86_64.cc (class Target_selector_x86_64): Likewise.
4373 * testsuite/testfile.cc (class Target_selector_test): Update for
4374 changes to Target_selector.
4375
874c5b28
ILT		 4376 * README: Rewrite, with some notes on unsupported features.
4377
0a65a3a7
CC		 43782008-03-24 Cary Coutant <ccoutant@google.com>
4379
4380 * i386.cc (Target_i386::Got_type): New enum declaration.
4381 (Target_i386::Scan::local): Updated callers of Output_data_got
4382 member functions.
4383 (Target_i386::Scan::global): Likewise.
4384 (Target_i386::Relocate::relocate): Likewise.
4385 (Target_i386::Relocate::relocate_tls): Likewise.
4386 * object.h (Got_offset_list): New class.
4387 (Sized_relobj::local_has_got_offset): Added got_type parameter.
4388 (Sized_relobj::local_got_offset): Likewise.
4389 (Sized_relobj::set_local_got_offset): Likewise.
4390 (Sized_relobj::local_has_tls_got_offset): Removed.
4391 (Sized_relobj::local_tls_got_offset): Removed.
4392 (Sized_relobj::set_local_tls_got_offset): Removed.
4393 (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
4394 * output.cc (Output_data_got::add_global): Added got_type parameter.
4395 (Output_data_got::add_global_with_rel): Likewise.
4396 (Output_data_got::add_global_with_rela): Likewise.
4397 (Output_data_got::add_global_pair_with_rel): New function.
4398 (Output_data_got::add_global_pair_with_rela): New function.
4399 (Output_data_got::add_local): Added got_type parameter.
4400 (Output_data_got::add_local_with_rel): Likewise.
4401 (Output_data_got::add_local_with_rela): Likewise.
4402 (Output_data_got::add_local_pair_with_rel): New function.
4403 (Output_data_got::add_local_pair_with_rela): New function.
4404 (Output_data_got::add_global_tls): Removed.
4405 (Output_data_got::add_global_tls_with_rel): Removed.
4406 (Output_data_got::add_global_tls_with_rela): Removed.
4407 (Output_data_got::add_local_tls): Removed.
4408 (Output_data_got::add_local_tls_with_rel): Removed.
4409 (Output_data_got::add_local_tls_with_rela): Removed.
4410 * output.h (Output_data_got::add_global): Added got_type parameter.
4411 (Output_data_got::add_global_with_rel): Likewise.
4412 (Output_data_got::add_global_with_rela): Likewise.
4413 (Output_data_got::add_global_pair_with_rel): New function.
4414 (Output_data_got::add_global_pair_with_rela): New function.
4415 (Output_data_got::add_local): Added got_type parameter.
4416 (Output_data_got::add_local_with_rel): Likewise.
4417 (Output_data_got::add_local_with_rela): Likewise.
4418 (Output_data_got::add_local_pair_with_rel): New function.
4419 (Output_data_got::add_local_pair_with_rela): New function.
4420 (Output_data_got::add_global_tls): Removed.
4421 (Output_data_got::add_global_tls_with_rel): Removed.
4422 (Output_data_got::add_global_tls_with_rela): Removed.
4423 (Output_data_got::add_local_tls): Removed.
4424 (Output_data_got::add_local_tls_with_rel): Removed.
4425 (Output_data_got::add_local_tls_with_rela): Removed.
4426 * resolve.cc (Symbol::override_base_with_special): Removed
4427 reference to has_got_offset_ field.
4428 * symtab.cc (Symbol::init_fields): Replaced initialization
4429 of got_offset_ with got_offsets_. Removed initialization
4430 of has_got_offset_
53fcba31 4431 * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
0a65a3a7
CC		 4432 (Symbol::got_offset): Likewise.
4433 (Symbol::set_got_offset): Likewise.
4434 (Symbol::has_tls_got_offset): Removed.
4435 (Symbol::tls_got_offset): Removed.
4436 (Symbol::set_tls_got_offset): Removed.
4437 (Symbol::got_offset_): Removed.
4438 (Symbol::tls_mod_got_offset_): Removed.
4439 (Symbol::tls_pair_got_offset_): Removed.
4440 (Symbol::got_offsets_): New field.
4441 (Symbol::has_got_offset): Removed.
4442 (Symbol::has_tls_mod_got_offset): Removed.
4443 (Symbol::has_tls_pair_got_offset): Removed.
4444 * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
4445 (Target_x86_64::Scan::local): Updated callers of Output_data_got
4446 member functions.
4447 (Target_x86_64::Scan::global): Likewise.
4448 (Target_x86_64::Relocate::relocate): Likewise.
4449 (Target_x86_64::Relocate::relocate_tls): Likewise.
4450
bd52eafb
BE		 44512008-03-25 Ben Elliston <bje@au.ibm.com>
4452
4453 * yyscript.y: Fix spelling error in comment.
4454
8b105e34
ILT		 44552008-03-24 Ian Lance Taylor <iant@google.com>
4456
8ed814a9
ILT		 4457 * options.h (class General_options): Define build_id option.
4458 * layout.h (class Layout): Declare write_build_id, create_note,
4459 create_build_id. Add build_id_note_ member.
4460 * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
4461 "libiberty.h", "md5.h", "sha1.h".
4462 (Layout::Layout): Initialize eh_frame_data_,
4463 eh_frame_hdr_section_, and build_id_note_.
4464 (Layout::finalize): Call create_build_id.
4465 (Layout::create_note): New function, broken out of
4466 Layout::create_gold_note.
4467 (Layout::create_gold_note): Call create_note.
4468 (Layout::create_build_id): New function.
4469 (Layout::write_build_id): New function.
4470 (Close_task_runner::run): Call write_build_id.
4471
8b105e34
ILT		 4472 * x86_64.cc: Correct license to GPLv3.
4473
086a1841
ILT		 44742008-03-23 Ian Lance Taylor <iant@google.com>
4475
4476 * options.cc: Include "demangle.h".
4477 (parse_optional_string): New function.
4478 (parse_long_option): Handle takes_optional_argument.
4479 (parse_short_option): Update dash_z initializer. Handle
4480 takes_optional_argument.
4481 (General_options::General_options): Initialize do_demangle_.
4482 (General_options::finalize): Set do_demangle_. Handle demangling
4483 style.
4484 * options.h (parse_optional_string): Declare.
4485 (struct One_option): Add optional_arg field. Update constructor.
4486 Update call constructor calls. Add takes_optional_argument
4487 function.
4488 (DEFINE_var): Add optional_arg__ parameter. Change all callers.
4489 (DEFINE_optional_string): Define.
4490 (General_options::demangle): Change from DEFINE_bool to
4491 DEFINE_optional_string.
4492 (General_options::no_demangle): New function.
4493 (General_options::do_demangle): New function.
4494 (General_options::set_do_demangle): New function.
4495 (General_options::execstack_status_): Move definition to end of
4496 class definition.
4497 (General_options::static_): Likewise.
4498 (General_options::do_demangle_): New field.
4499 * object.cc (big_endian>::get_symbol_location_info): Call
4500 Options::do_demangle, not Options::demangle.
4501 * symtab.cc (demangle): Likewise.
4502
cbb93e63
ILT		 45032008-03-22 Ian Lance Taylor <iant@google.com>
4504
4505 * gold.h: Include <cstddef> and <sys/types.h>
4506 * options.h: Include <cstring>.
4507
ec531623
ILT		 45082008-03-21 Ian Lance Taylor <iant@google.com>
4509
4510 * Added source code to GNU binutils.
GDB Binutils - Deliverables
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