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[pf3gnuchains/pf3gnuchains3x.git] / gold / ChangeLog
1 2009-10-09  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
8 2009-10-09  Ian Lance Taylor  <iant@google.com>
9
10         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
11
12 2009-10-09  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
22 2009-10-09  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
124 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
125
126         * pread.c: Include stdio.h.
127
128 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
129
130         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
131         defined.
132
133 2009-10-09  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
148 2009-10-09  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
169 2009-10-09  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
180 2009-10-09  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
211 2009-10-09  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
232 2009-10-07  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
251 2009-10-07  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
258 2009-10-06  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
333 2009-10-06  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
342 2009-10-06   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
351 2009-09-30  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
375 2009-09-30  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
436 2009-09-26  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
441 2009-09-22  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
447 2009-09-18  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
461 2009-09-18  Nick Clifton  <nickc@redhat.com>
462
463         * po/es.po: Updated Spanish translation.
464
465 2009-09-17  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
621 2009-09-17  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
631 2009-09-16  Cary Coutant  <ccoutant@google.com>
632
633         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
634         * testsuite/Makefile.in: Regenerate.
635
636 2009-09-11  Nick Clifton  <nickc@redhat.com>
637
638         * po/gold.pot: Updated by the Translation project.
639
640 2009-09-08  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
646 2009-09-02  Ian Lance Taylor  <iant@google.com>
647
648         * output.cc (Output_file::resize): Call map_no_anonymous rather
649         than map.
650
651 2009-09-01  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
667 2009-08-24  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
678 2009-08-24  Cary Coutant  <ccoutant@google.com>
679
680         * options.h (General_options::no_keep_memory): Remove incorrect
681         short option.
682
683 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
684
685         * Makefile.am (am__skiplex, am__skipyacc): New.
686         * Makefile.in: Regenerate.
687
688 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
689
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
697         * Makefile.in: Regenerate.
698         * aclocal.m4: Likewise.
699         * config.in: Likewise.
700         * configure: Likewise.
701         * testsuite/Makefile.in: Likewise.
702
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
708 2009-08-19  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
714 2009-08-19  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
719 2009-08-18  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
742 2009-08-14  Ian Lance Taylor  <iant@google.com>
743
744         * gold.h (FUNCTION_NAME): Define.
745         (gold_unreachable): Use FUNCTION_NAME.
746
747 2009-08-12  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
752 2009-08-12  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
764 2009-08-12  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
775 2009-08-11  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
781 2009-08-09  Doug Kwan  <dougkwan@google.com>
782
783         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
784         patch.
785
786 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
787         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
788         compiler warnings.
789
790 2009-08-06  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
799 2009-08-05  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
845 2009-07-24  Chris Demetriou  <cgd@google.com>
846
847         * layout.cc (is_compressible_debug_section): Fix incorrect
848         comment about compressed section names.
849
850 2009-07-20  Ian Lance Taylor  <ian@airs.com>
851
852         PR 10419
853         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
854
855 2009-07-16  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
889 2009-07-09  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
894 2009-07-06  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
925 2009-07-01  Ian Lance Taylor  <ian@airs.com>
926
927         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
928         instead of 32.
929
930 2009-06-24  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
955 2009-06-24  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
961 2009-06-24  Ian Lance Taylor  <iant@google.com>
962
963         PR 10244
964         * reloc.cc (relocate_sections): Skip empty relocation sections.
965
966 2009-06-23  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
972 2009-06-23  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
983 2009-06-23  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
994 2009-06-23  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
1006 2009-06-23  Ian Lance Taylor  <iant@google.com>
1007
1008         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
1009         * configure: Rebuild.
1010
1011 2009-06-23  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
1019 2009-06-23  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
1031 2009-06-22  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
1043 2009-06-22  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
1048 2009-06-22  Ian Lance Taylor  <iant@google.com>
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
1055 2009-06-21  Ian Lance Taylor  <iant@google.com>
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
1130 2009-06-05  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
1152 2009-06-05  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
1167 2009-06-04  Doug Kwan  <dougkwan@google.com>
1168
1169         * layout.cc (Layout::section_name_mapping): Add mapping for
1170         special ARM sections.
1171
1172 2009-06-03  Doug Kwan  <dougkwan@google.com>
1173
1174         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
1175         (utils::has_overflow): Same.
1176
1177 2009-06-03  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
1190 2009-06-03  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
1198 2009-06-03  Ian Lance Taylor  <iant@google.com>
1199
1200         * arm.cc (Target_arm::scan::global): Use || instead of |.
1201
1202 2009-06-02  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
1218 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
1219
1220         * incremental.cc (Incremental_inputs::report_command_line): Filter
1221         out --incremental-* options.
1222
1223 2009-05-29  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
1253 2009-05-28  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
1261 2009-05-26  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
1279 2009-05-26  Nick Clifton  <nickc@redhat.com>
1280
1281         * po/id.po: New Indonesian translation.
1282         * po/gold.pot: Updated template file.
1283
1284 2009-05-22  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
1292 2009-05-21  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
1302 2009-05-19  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
1336 2009-05-15  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
1342 2009-05-15  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
1379 2009-04-27  Ian Lance Taylor  <iant@google.com>
1380
1381         * x86_64.cc (do_adjust_output_section): Set entsize to
1382         plt_entry_size.
1383
1384 2009-04-23  Elliott Hughes  <enh@google.com>
1385
1386         * output.cc (Output_file::close): After short writes, continue
1387         writing from the correct offset in the buffer being written.
1388
1389 2009-04-23  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
1397 2009-04-21  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
1425 2009-04-01  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
1450 2009-03-30  Ian Lance Taylor  <iant@google.com>
1451
1452         * ffsll.c (ffsll): Correct implementation.
1453
1454 2009-03-27  Ian Lance Taylor  <iant@google.com>
1455
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
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
1470 2009-03-27  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
1477 2009-03-24  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
1483 2009-03-24  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
1490 2009-03-24  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.
1496         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
1497
1498 2009-03-24  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
1505 2009-03-24  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
1510 2009-03-23  Ian Lance Taylor  <iant@google.com>
1511
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
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
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
1567 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
1568
1569         * incremental.cc: New file.
1570         * Makefile.am (CCFILES): Add incremental.cc.
1571         * Makefile.in: Rebuild.
1572
1573 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
1574
1575         * layout.cc (Layout::output_section_name): Preserve names
1576         of '.note.' sections.
1577         
1578 2009-03-19  Ian Lance Taylor  <iant@google.com>
1579
1580         * descriptors.cc (Descriptors::open): Check that the options are
1581         valid before using them.
1582
1583 2009-03-18  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
1606 2009-03-17  Ian Lance Taylor  <iant@google.com>
1607
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
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
1626 2009-03-17  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         
1632 2009-03-17  Ian Lance Taylor  <iant@google.com>
1633
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
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
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
1664 2009-03-13  Ian Lance Taylor  <iant@google.com>
1665
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
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
1751 2009-03-10  Nick Clifton  <nickc@redhat.com>
1752
1753         * po/es.po: New Spanish translation.
1754
1755 2009-03-06  Cary Coutant  <ccoutant@google.com>
1756
1757         * options.cc (parse_short_option): Keep dash_z from registering itself.
1758
1759 2009-03-03  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
1776 2009-03-01  Ian Lance Taylor  <iant@google.com>
1777
1778         * configure.ac: Check for byteswap.h.
1779         * configure: Rebuild.
1780         * config.in: Rebuild.
1781
1782 2009-03-01  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
1801 2009-02-28  Ian Lance Taylor  <iant@google.com>
1802
1803         * README: --gc-sections and map files are now supported.  Document
1804         some build requirements.
1805
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
1813 2009-02-27  Ian Lance Taylor  <iant@google.com>
1814
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
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
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
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
1870 2009-02-25  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
1882 2009-02-13  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
1903 2009-02-06  Ian Lance Taylor  <iant@google.com>
1904
1905         * object.cc (Sized_relobj::do_layout): Make info message start
1906         with lower case letter.
1907
1908 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
1909
1910         * binary.cc: Fix file comment.
1911
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
1931 2009-02-06  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
1957 2009-02-04  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
1965 2009-01-31  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
1971 2009-01-29  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
1977 2009-01-28  Ian Lance Taylor  <iant@google.com>
1978
1979         * version.cc (version_string): Bump to 1.9.
1980
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
1989 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
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
2060 2009-01-20  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
2067 2009-01-20  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
2074 2009-01-19  Andreas Schwab  <schwab@suse.de>
2075
2076         * configure.tgt (powerpc64-*): Fix targ_obj.
2077
2078 2009-01-15  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
2083 2009-01-14  Cary Coutant  <ccoutant@google.com>
2084
2085         * output.cc (Output_reloc): Add explicit instantiations.
2086
2087 2009-01-14  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
2143 2009-01-07  Ian Lance Taylor  <iant@google.com>
2144
2145         * version.cc (version_string): Bump to 1.8.
2146
2147 2008-12-23  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
2160 2008-12-23  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
2170 2008-12-22  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
2197 2008-12-17  Ian Lance Taylor  <iant@google.com>
2198
2199         * options.h (class General_options): Add --no case for
2200         --export-dynamic.
2201
2202 2008-12-16  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
2219 2008-12-12  Ian Lance Taylor  <iant@google.com>
2220
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
2228         * configure.ac: Update test for TLS descriptors: they are
2229         supported as of glibc 2.9.
2230         * configure: Rebuild.
2231
2232 2008-12-11  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
2238 2008-12-10  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
2243 2008-12-09  Ian Lance Taylor  <iant@google.com>
2244
2245         PR 7088
2246         * yyscript.y (file_cmd): Handle INPUT.
2247
2248         * testsuite/initpri1.c: Change all declarations to be full
2249         prototypes by adding void, to avoid compiler warnings.
2250
2251 2008-12-05  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
2268 2008-12-05  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
2274 2008-12-01  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
2279 2008-11-14  Cary Coutant  <ccoutant@google.com>
2280
2281         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
2282         instead of -1U.
2283
2284 2008-11-05  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
2316 2008-11-05  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
2323 2008-10-07  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
2330 2008-10-02  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
2335 2008-09-29  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.
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.
2350
2351 2008-09-29  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
2374 2008-09-19  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
2459 2008-09-16  Ian Lance Taylor  <iant@google.com>
2460
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
2472         * fileread.cc (make_view): Add casts to avoid warning.
2473
2474 2008-09-16  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
2479 2008-09-16  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
2487 2008-09-11  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
2494 2008-09-05  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
2499 2008-09-05  Cary Coutant  <ccoutant@google.com>
2500
2501         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
2502         explicit instantiations.
2503
2504 2008-08-28  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
2514 2008-08-20  Craig Silverstein  <csilvers@google.com>
2515
2516         * fileread.cc (File_read::open): Do not lock the file unless it
2517         was successfully opened.
2518
2519 2008-08-14  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
2531 2008-08-13  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
2587 2008-08-06  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
2628 2008-08-04  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
2650 2008-08-04  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
2656 2008-07-29  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
2663         values.
2664         * testsuite/script_test_2.t: Define test_addr_alias and
2665         test_addr.
2666
2667 2008-07-24  Ian Lance Taylor  <iant@google.com>
2668
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
2701         PR 6716
2702         * gold.h: Always include <clocale>.  Add Solaris workarounds
2703         following code in binutils/sysdep.h.
2704
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
2709         * dynobj.cc (Versions::Versions): Update comment.
2710
2711         * dynobj.cc (Versions::Versions): If there is an soname, use it as
2712         the base version name.
2713
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
2723 2008-07-23  Ian Lance Taylor  <iant@google.com>
2724
2725         PR 6658
2726         * object.h (Merged_symbol_value::value): Do our best to handle a
2727         negative addend.
2728
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
2748 2008-07-23  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
2753 2008-07-23  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
2765 2008-07-22  Ian Lance Taylor  <iant@google.com>
2766
2767         * options.h (class General_options): Define --check-sections.
2768         * layout.cc (Layout::set_segment_offsets): Handle
2769         --check-sections.
2770
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
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
2831 2008-07-22  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
2836 2008-07-22  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
2841 2008-07-21  Craig Silverstein  <csilvers@google.com>
2842
2843         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
2844         Include symbol version in error message.
2845
2846 2008-07-20  Chris Demetriou  <cgd@google.com>
2847
2848         * configure.ac (gold_cv_c_random_seed): New configured variable.
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
2855 2008-07-18  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
2867 2008-07-17  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
2872 2008-07-10  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
2943 2008-07-03  Ian Lance Taylor  <iant@google.com>
2944
2945         * layout.cc (Layout::include_section): Do not discard unrecognized
2946         SHT_STRTAB sections.
2947
2948 2008-06-30  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
2954 2008-06-30  Manish Singh  <yosh@gimp.org>
2955
2956         PR 6585
2957         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
2958         Correct typo.
2959
2960 2008-06-30  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
2968 2008-06-25  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
2974 2008-06-23  Craig Silverstein  <csilvers@google.com>
2975
2976         * version.cc (version_string): Bump to 1.7
2977
2978 2008-06-18  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
2984 2008-06-17  Ian Lance Taylor  <iant@google.com>
2985
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
3000         * script-sections.cc (Script_sections::place_orphan): Initialize
3001         local variable exact.
3002
3003 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
3004
3005         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
3006
3007 2008-06-12  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
3016 2008-06-09  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
3024 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
3025
3026         PR 6584
3027         * binary.cc (Binary_to_elf::sized_convert): Fix .data
3028         alignment.
3029
3030 2008-05-30  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
3035 2008-05-29  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
3041 2008-05-28  Caleb Howe  <cshowe@google.com>
3042
3043         * reduced_debug_output.cc: New file.
3044         * reduced_debug_output.h: New file.
3045         * options.h (class General_options): Add --strip-debug-non-line.
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
3066 2008-05-21  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
3165 2008-05-19  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
3216 2008-05-16  Ian Lance Taylor  <iant@google.com>
3217
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
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
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
3243 2008-05-09  Ian Lance Taylor  <iant@google.com>
3244
3245         PR 6493
3246         * gold.cc (gold_nomem): Use return value of write.
3247
3248 2008-05-08  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.
3266         (Symbol::override_base): Call override_version.
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
3274 2008-05-06  Ian Lance Taylor  <iant@google.com>
3275
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
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
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
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
3348         * options.h (class General_options): Add -Bsymbolic-functions.
3349         * symtab.h (Symbol::is_preemptible): Check for
3350         -Bsymbolic-functions.
3351
3352 2008-05-05  Ian Lance Taylor  <iant@google.com>
3353
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
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
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
3394 2008-04-30  Cary Coutant  <ccoutant@google.com>
3395
3396         * target-reloc.h (relocate_section): Fix dead-pointer bug.
3397
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
3438 2008-04-30  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
3451 2008-04-28  Cary Coutant  <ccoutant@google.com>
3452
3453         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
3454         R_386_PC8 relocations.
3455
3456 2008-04-23  Ian Lance Taylor  <iant@google.com>
3457
3458         * object.cc (Sized_relobj::include_section_group): Check for
3459         invalid section group.
3460
3461         * object.cc (make_elf_object): Correct test for 64-bit ELF file
3462         header size.
3463
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
3468 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
3469
3470         * aclocal.m4: Regenerate.
3471         * configure: Regenerate.
3472
3473 2008-04-19  Ian Lance Taylor  <iant@google.com>
3474
3475         * version.cc (version_string): Bump to 1.6.
3476
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
3483         * object.cc (Sized_relobj::do_add_symbols): Always pass
3484         local_symbol_count_ to add_from_relobj.
3485
3486         * testsuite/Makefile.am (many_sections_check.h): Only check one in
3487         every thousand variables.
3488         * testsuite/Makefile.in: Rebuild.
3489
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
3654 2008-04-17  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
3675 2008-04-17  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
3680 2008-04-17  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
3728 2008-04-16  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
3740 2008-04-16  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
3755 2008-04-16  David S. Miller  <davem@davemloft.net>
3756
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
3763         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
3764         * configure: Rebuild.
3765
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
3774 2008-04-16  Ian Lance Taylor  <iant@google.com>
3775
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
3808         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
3809
3810         * testsuite/script_test_4.sh: Permit leading zeroes.
3811
3812 2008-04-15  Ian Lance Taylor  <iant@google.com>
3813
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
3826         * sparc.cc: Add definitions for Output_data_plt_sparc class
3827         constants.
3828
3829 2008-04-14  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
3844 2008-04-14  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
3872 2008-04-11  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
3878 2008-04-11  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
3884 2008-04-11  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
3963 2008-04-11  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
3973 2008-04-11  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
3982 2008-04-11  David S. Miller  <davem@davemloft.net>
3983
3984         * testsuite/justsyms.t: Start at 0x100.
3985         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
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.
3990
3991 2008-04-09  Ian Lance Taylor  <iant@google.com>
3992
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
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
4022 2008-04-08  Ian Lance Taylor  <iant@google.com>
4023
4024         * options.h (class General_options): Add --noinhibit-exec option.
4025         * main.cc (main): Check --noinhibit-exec.
4026
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
4043         * errors.cc (Errors::undefined_symbol): Mention symbol version if
4044         there is one.
4045
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
4053         * merge.cc (Object_merge_map::get_output_offset): Remove inline
4054         qualifier.
4055
4056 2008-04-08  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
4064 2008-04-07  Ian Lance Taylor  <iant@google.com>
4065
4066         * version.cc (version_string): Set to "1.5".
4067
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
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
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
4106 2008-04-04  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
4121 2008-04-03  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
4136 2008-04-02  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
4141 2008-04-02  Craig Silverstein  <csilvers@google.com>
4142
4143         * TODO: New file.
4144
4145 2008-04-02  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
4175 2008-03-31  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.
4204
4205 2008-03-29  Ian Lance Taylor  <iant@google.com>
4206
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
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
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
4244 2008-03-28  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
4284 2008-03-27  Ian Lance Taylor  <iant@google.com>
4285
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
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
4301 2008-03-26  Ian Lance Taylor  <iant@google.com>
4302
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
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
4337 2008-03-25  Ian Lance Taylor  <iant@google.com>
4338
4339         * options.cc: Include "../bfd/bfdver.h".
4340         (options::help): Print bug reporting address.
4341
4342         * version.cc (print_version): Adjust output for current value of
4343         BFD_VERSION_STRING.
4344
4345         * NEWS: New file.
4346
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
4376         * README: Rewrite, with some notes on unsupported features.
4377
4378 2008-03-24  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_
4431         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
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
4451 2008-03-25  Ben Elliston  <bje@au.ibm.com>
4452
4453         * yyscript.y: Fix spelling error in comment.
4454
4455 2008-03-24  Ian Lance Taylor  <iant@google.com>
4456
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
4472         * x86_64.cc: Correct license to GPLv3.
4473
4474 2008-03-23  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
4503 2008-03-22  Ian Lance Taylor  <iant@google.com>
4504
4505         * gold.h: Include <cstddef> and <sys/types.h>
4506         * options.h: Include <cstring>.
4507
4508 2008-03-21  Ian Lance Taylor  <iant@google.com>
4509
4510         * Added source code to GNU binutils.