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2009-10-16 Doug Kwan <dougkwan@google.com>
[pf3gnuchains/pf3gnuchains3x.git] / gold / ChangeLog
1 2009-10-16  Doug Kwan  <dougkwan@google.com>
2
3         * expression.cc (class Segment_start_expression): New class definition.
4         (Segment_start_expression::value): New method definition.
5         (script_exp_function_segment_start): Return a new
6         Segment_start_expression.
7         * gold/script-c.h (script_saw_segment_start_expression): New function
8         prototype.
9         * script-sections.cc (Script_sections::Script_sections): Initialize
10         SAW_SEGMENT_START_EXPRESSION_ to false.
11         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
12         and -Tbbs options to specify section addresses if given in
13         command line and no SEGMENT_START expression is seen in a script.
14         * script-sections.h (Script_sections::saw_segment_start_expression,
15         Script_sections::set_saw_segment_start_expression): New method
16         definition.
17         (Script_sections::saw_segment_start_expression_): New data member
18         declaration.
19         * script.cc (script_saw_segment_start_expression): New function.
20         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
21         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
22         script_test_7.sh and script_test_8.sh.
23         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
24         script_test_8.stdout.
25         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
26         (script_test_6, script_test_6.stdout, script_test_7,
27         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
28         * Makefile.in: Regenerate.
29         * testsuite/script_test_6.sh: New file.
30         * testsuite/script_test_6.t: Same.
31         * testsuite/script_test_7.sh: Same.
32         * testsuite/script_test_7.t: Same.
33         * testsuite/script_test_8.sh: Same.
34
35 2009-10-16  Doug Kwan  <dougkwan@google.com>
36
37         * output.cc (Output_segment::set_section_list_address): Cast
38         expressions to unsigned long long type to avoid format warnings.
39
40 2009-10-15  Ian Lance Taylor  <iant@google.com>
41
42         * script.cc (Script_options::add_symbol_assignment): Always add a
43         dot assginment to script_sections_.
44         * script-sections.cc (Script_sections::add_dot_assignment):
45         Initialize if necessary.
46
47         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
48         program headers with no load segment if there is a linker script.
49
50         * layout.cc (Layout::set_segment_offsets): Align the file offset
51         to the segment aligment for -N or -n with no load segment.
52         * output.cc (Output_segment::add_output_section): Don't crash if
53         the first section is a TLS section.
54         (Output_segment::set_section_list_addresses): Print an error
55         message if the address moves backward in a linker script.
56         * script-sections.cc
57         (Output_section_element_input::set_section_addresses): Don't
58         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
59         (Orphan_output_section::set_section_addresses): Likewise.
60
61 2009-10-15  Doug Kwan  <dougkwan@google.com>
62
63         * layout.cc (Layout::finish_dynamic_section): Generate tags
64         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
65         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
66         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
67
68 2009-10-14  Ian Lance Taylor  <iant@google.com>
69
70         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
71         fields.
72         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
73         data_shdr fields of relinfo.
74         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
75         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
76         R_386_TLS_LDO_32, adjust based on section flags.
77         (Target_i386::Relocate::fix_up_ldo): Remove.
78
79 2009-10-13  Ian Lance Taylor  <iant@google.com>
80
81         Add support for -pie.
82         * options.h (class General_options): Add -pie and
83         --pic-executable.
84         (General_options::output_is_position_independent): Test -pie.
85         (General_options::output_is_executable): Return true if not shared
86         and not relocatable.
87         (General_options::output_is_pie): Remove.
88         * options.cc (General_options::finalize): Reject incompatible uses
89         of -pie.
90         * gold.cc (queue_middle_tasks): A -pie link is not static.
91         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
92         * symtab.cc (Symbol::final_value_is_known): Return false if
93         output_is_position_independent.
94         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
95         output_is_position_independent.
96         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
97         output_is_position_independent.
98         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
99         output_is_position_independent.
100         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
101         two_file_pie_test.
102         (basic_pie_test.o, basic_pie_test): New targets.
103         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
104         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
105         (two_file_pie_test): New target.
106         * testsuite/Makefile.in: Rebuild.
107         * README: Remove note saying that -pie is not supported.
108
109 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
110
111         * options.h (class General_options): Add -init and -fini.
112         * layout.cc (Layout::finish_dynamic_section): Emit
113         given init and fini functions.
114
115 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
116
117         * gc.h (gc_process_relocs): Check if icf is enabled using new
118         function.
119         * gold.cc (queue_initial_tasks): Likewise.
120         (queue_middle_tasks): Likewise.
121         * object.cc (do_layout): Likewise.
122         * symtab.cc (is_section_folded): Likewise.
123         * main.cc (main): Likewise.
124         * reloc.cc (Read_relocs::run): Likewise.
125         (Sized_relobj::do_scan_relocs): Likewise.
126         * icf.cc (is_function_ctor_or_dtor): New function.
127         (Icf::find_identical_sections): Check if function is ctor or dtor when
128         safe icf is chosen.
129         * options.h (General_options::icf): Change option to be an enum.
130         (Icf_status): New enum.
131         (icf_enabled): New method.
132         (icf_safe_folding): New method.
133         (set_icf_status): New method.
134         (icf_status_): New variable.
135         * (options.cc) (General_options::finalize): Set icf_status_.
136         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
137         icf_test and icf_keep_unique_test to use the --icf enum flag.
138         * testsuite/icf_safe_test.sh: New file.
139         * testsuite/icf_safe_test.cc: New file. 
140
141 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
142
143         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
144         includes to gc.h and icf.h.
145         * arm.cc: Include gc.h.
146         * gold.cc: Likewise.
147         * i386.cc: Likewise.
148         * powerpc.cc: Likewise.
149         * sparc.cc: Likewise.
150         * x86_64.cc: Likewise.
151         * gc.h: Include icf.h.
152
153 2009-10-11  Ian Lance Taylor  <iant@google.com>
154
155         * plugin.cc: Include "gold.h" before other header files.
156
157 2009-10-10  Chris Demetriou  <cgd@google.com>
158
159         * options.h (Input_file_argument::Input_file_type): New enum.
160         (Input_file_argument::is_lib_): Replace with...
161         (Input_file_argument::type_): New member.
162         (Input_file_argument::Input_file_argument): Take Input_file_type
163         'type' rather than boolean 'is_lib' as second argument.
164         (Input_file_argument::is_lib): Use type_.
165         (Input_file_argument::is_searched_file): New function.
166         (Input_file_argument::may_need_search): Handle is_searched_file.
167         * options.cc (General_options::parse_library): Support -l:filename.
168         (General_options::parse_just_symbols): Update for Input_file_argument
169         changes.
170         (Command_line::process): Likewise.
171         * archive.cc (Archive::get_file_and_offset): Likewise.
172         * plugin.cc (Plugin_manager::release_input_file): Likewise.
173         * script.cc (read_script_file, script_add_file): Likewise.
174         * fileread.cc (Input_file::Input_file): Likewise.
175         (Input_file::will_search_for): Handle is_searched_file.
176         (Input_file::open): Likewise.
177         * readsyms.cc (Read_symbols::get_name): Likewise.
178         * testsuite/Makefile.am (searched_file_test): New test.
179         * testsuite/Makefile.in: Regenerate.
180         * testsuite/searched_file_test.cc: New file.
181         * testsuite/searched_file_test_lib.cc: New file.
182
183 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
184             Ian Lance Taylor  <iant@google.com>
185
186         * descriptor.cc: Include <cstdio> and "binary-io.h".
187         (Descriptors::open): Open the files in binary mode always.
188         * script.cc (Lex::get_token): Treat \r as whitespace.
189
190 2009-10-09  Ian Lance Taylor  <iant@google.com>
191
192         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
193
194 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
195             Ian Lance Taylor  <iant@google.com>
196
197         * configure.ac: Check for readv function also.
198         * fileread.cc (readv): Define if not HAVE_READV.
199         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
200         does not exist.
201         * config.in: Regenerate.
202         * configure: Regenerate.
203
204 2009-10-09  Doug Kwan  <dougkwan@google.com>
205
206         * layout.cc (Layout::make_output_section): Call target hook to make
207         ordinary output section.
208         (Layout::finalize): Adjust parameter list of call the
209         Target::may_relax().
210         * layout.h (class Layout::section_list): New method.
211         * merge.h (Output_merge_base::entsize): Change visibility to public.
212         (Output_merge_base::is_string, Output_merge_base::do_is_string):
213         New methods.
214         (Output_merge_string::do_is_string): New method.
215         * object.cc (Sized_relobj::do_setup): renamed from
216         Sized_relobj::set_up.
217         * object.h (Sized_relobj::adjust_shndx,
218         Sized_relobj::initializ_input_to_output_maps,
219         Sized_relobj::free_input_to_output_maps): Change visibilities to
220         protected.
221         (Sized_relobj::setup): Virtualize.
222         (Sized_relobj::do_setup): New method declaration.
223         (Sized_relobj::invalidate_section_offset,
224         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
225         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
226         * options.cc (parse_int): New function.
227         * options.h (parse_int): New declaration.
228         (DEFINE_int): New macro.
229         (stub_group_size): New option.
230         * output.cc (Output_section::Output_section): Initialize memebers
231         merge_section_map_, merge_section_by_properties_map_,
232         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
233         (Output_section::add_input_section): Handled deferred code-fill
234         generation and remove an old comment.
235         (Output_section::add_relaxed_input_section): New method definition.
236         (Output_section::add_merge_input_section): Use merge section by
237         properties map to speed to search.  Update merge section maps
238         as appropriate.
239         (Output_section::build_relaxation_map): New method definition.
240         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
241         Same.
242         (Output_section::relax_input_section): Renamed to
243         Output_section::convert_input_sections_to_relaxed_sections and change
244         interface to take a vector of pointers to relaxed sections.
245         (Output_section::find_merge_section,
246         Output_section::find_relaxed_input_section): New method definitions.
247         (Output_section::is_input_address_mapped,
248         Output_section::output_offset, Output_section::output_address):
249         Use output section data maps to speed up searching.
250         (Output_section::find_starting_output_address): Add comments.
251         (Output_section::do_write,
252         Output_section::write_to_postprocessing_buffer): Do code-fill
253         generation as appropriate.
254         (Output_section::get_input_sections): Invalidate relaxed input section
255         map.
256         (Output_section::restore_states): Adjust type of checkpoint .
257         Invalidate relaxed input section map.
258         * output.h (Output_merge_base): New class declaration.
259         (Input_section_specifier): New class defintion.
260         (class Output_relaxed_input_section) Change base class to
261         Output_section_data_build.
262         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
263         base class initializer.
264         (Output_section::add_relaxed_input_section): New method declaration.
265         (Output_section::Input_section): Change visibility to protected.
266         (Output_section::Input_section::relobj,
267         Output_section::Input_section::shndx): Handle relaxed input sections.
268         Output_section::input_sections) Change visibility to protected.  Also
269         define overload to return a non-const pointer.
270         (Output_section::Merge_section_properties): New class defintion.
271         (Output_section::Merge_section_by_properties_map,
272         Output_section::Output_section_data_by_input_section_map,
273         Output_section::Relaxation_map): New types.
274         (Output_section::relax_input_section): Rename method to
275         Output_section::convert_input_sections_to_relaxed_sections and change
276         interface to take a vector of relaxed section pointers.
277         (Output_section::find_merge_section,
278         Output_section::find_relaxed_input_section,
279         Output_section::build_relaxation_map,
280         Output_section::convert_input_sections_in_list_to_relaxed_sections):
281         New method declarations.
282         (Output_section::merge_section_map_
283         Output_section::merge_section_by_properties_map_,
284         Output_section::relaxed_input_section_map_,
285         Output_section::is_relaxed_input_section_map_valid_,
286         Output_section::generate_code_fills_at_write_): New data members.
287         * script-sections.cc
288         (Output_section_element_input::set_section_addresses): Call
289         current_data_size and addralign methods of relaxed input sections.
290         (Orphan_output_section::set_section_addresses): Call current_data_size
291         and addralign methods of relaxed input sections.
292         * symtab.cc (Symbol_table::compute_final_value): Extract template
293         from the body of Symbol_table::sized_finalize_symbol.
294         (Symbol_table::sized_finalized_symbol): Call
295         Symbol_table::compute_final_value.
296         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
297         (Symbol_table::compute_final_value): New templated method declaration.
298         * target.cc (Target::do_make_output_section): New method defintion.
299         * target.h (Target::make_output_section): New method declaration.
300         (Target::relax): Add more parameters for input objects, symbol table
301         and layout.  Adjust call to do_relax.
302         (Target::do_make_output_section): New method declaration.
303         (Target::do_relax): Add parameters for input objects, symbol table
304         and layout.
305
306 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
307
308         * pread.c: Include stdio.h.
309
310 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
311
312         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
313         defined.
314
315 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
316
317         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
318         Change read_shndx type to unsigned int.
319         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
320         int.
321         (Sized_dwarf_line_info::read_line_mappings): Likewise.
322         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
323         Change read_shndx type to unsigned int.
324         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
325         int.
326         (Sized_dwarf_line_info::read_line_mappings): Likewise.
327         * layout.cc (Layout::create_symtab_sections): Cast the result of
328         local_symcount * symsize to off_t in the gold_assert.
329
330 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
331
332         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
333         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
334         R_ARM_BASE_ABS.
335         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
336         (Arm_relocate_functions::thm_abs5): New function.
337         (Arm_relocate_functions::abs12): New function.
338         (Arm_relocate_functions::abs16): New function.
339         (Arm_relocate_functions::base_abs): New function.
340         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
341         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
342         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
343         R_ARM_BASE_ABS.
344         (Scan::global): Likewise.
345         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
346         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
347         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
348         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
349         R_ARM_BASE_ABS.
350
351 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
352
353         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
354         (Arm_relocate_functions::movt_prel): New function.
355         (Arm_relocate_functions::thm_movw_prel_nc): New function.
356         (Arm_relocate_functions::thm_movt_prel): New function.
357         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
358         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
359         (Scan::global, Relocate::relocate): Likewise.
360         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
361
362 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
363
364         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
365         Incremental_checker.
366         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
367         unsigned int.
368         (class Incremental_inputs_header): New class.
369         (Incremental_inputs_header_writer): Edit comment.
370         (Incremental_inputs_entry): New class.
371         (Incremental_inputs_entry_writer): Edit comment.
372         (Sized_incremental_binary::do_find_incremental_inputs_section):
373         Add *strtab_shndx parameter, fill it.
374         (Sized_incremental_binary::do_check_inputs): New method.
375         (Incremental_checker::can_incrementally_link_output_file): Use
376         Sized_incremental_binary::check_inputs.
377         (Incremental_inputs::report_command_line): Save command line in
378         command_line_.
379         * incremental.h:
380         (Incremental_binary::find_incremental_inputs_section): New
381         method.
382         (Incremental_binary::do_find_incremental_inputs_section): Add
383         strtab_shndx parameter.
384         (Incremental_binary::do_check_inputs): New pure virtual method.
385         (Sized_incremental_binary::do_check_inputs): Declare.
386         (Incremental_checker::Incremental_checker): Add incremental_inputs
387         parameter, use it to initialize incremental_inputs_.
388         (Incremental_checker::incremental_inputs_): New field.
389         (Incremental_checker::command_line): New method.
390         (Incremental_checker::inputs): New method.
391         (Incremental_checker::command_line_): New field.
392
393 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
394
395         * incremental.cc: Include <cstdarg> and "target-select.h".
396         (vexplain_no_incremental): New function.
397         (explain_no_incremental): New function.
398         (Incremental_binary::error): New method.
399         (Sized_incremental_binary::do_find_incremental_inputs_section): New
400         method.
401         (make_sized_incremental_binary): New function.
402         (open_incremental_binary): New function.
403         (can_incrementally_link_file): Add checks if output is ELF and has
404         inputs section.
405         * incremental.h: Include "elfcpp_file.h" and "output.h".
406         (Incremental_binary): New class.
407         (Sized_incremental_binary): New class.
408         (open_incremental_binary): Declare.
409         * object.cc (is_elf_object): Use
410         elfcpp::Elf_recognizer::is_elf_file.
411         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
412         * output.h (Output_file::filesize): New method.
413
414 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
415
416         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
417         New function.
418         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
419         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
420         function.
421         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
422         function.
423         (Arm_relocate_functions::movw_abs_nc): New function.
424         (Arm_relocate_functions::movt_abs): New function.
425         (Arm_relocate_functions::thm_movw_abs_nc): New function.
426         (Arm_relocate_functions::thm_movt_abs): New function.
427         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
428         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
429         (Scan::global): Likewise.
430         (Relocate::relocate): Likewise.
431         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
432
433 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
434
435         * arm.cc (Arm_relocate_functions::got_prel) New function.
436         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
437         (Relocate::relocate): Likewise.
438         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
439
440 2009-10-06  Ian Lance Taylor  <iant@google.com>
441
442         * options.h (class General_options): Define
443         split_stack_adjust_size parameter.
444         * object.h (class Object): Add uses_split_stack_ and
445         has_no_split_stack_ fields.  Add uses_split_stack and
446         has_no_split_stack accessor functions.  Declare
447         handle_split_stack_section.
448         (class Reloc_symbol_changes): Define.
449         (class Sized_relobj): Define Function_offsets.  Declare
450         split_stack_adjust, split_stack_adjust_reltype, and
451         find_functions.
452         * object.cc (Object::handle_split_stack_section): New function.
453         (Sized_relobj::do_layout): Call handle_split_stack_section.
454         * dynobj.cc (Sized_dynobj::do_layout): Call
455         handle_split_stack_section.
456         * reloc.cc (Sized_relobj::relocate_sections): Call
457         split_stack_adjust for executable sections in split_stack
458         objects.  Pass reloc_map to relocate_section.
459         (Sized_relobj::split_stack_adjust): New function.
460         (Sized_relobj::split_stack_adjust_reltype): New function.
461         (Sized_relobj::find_functions): New function.
462         * target-reloc.h: Include "object.h".
463         (relocate_section): Add reloc_symbol_changes parameter.  Change
464         all callers.
465         * target.h (class Target): Add calls_non_split method.  Declare
466         do_calls_non_split virtual method.  Declare match_view and
467         set_view_to_nop.
468         * target.cc: Include "elfcpp.h".
469         (Target::do_calls_non_split): New function.
470         (Target::match_view): New function.
471         (Target::set_view_to_nop): New function.
472         * gold.cc (queue_middle_tasks): Give an error if mixing
473         split-stack and non-split-stack objects with -r.
474         * i386.cc (Target_i386::relocate_section): Add
475         reloc_symbol_changes parameter.
476         (Target_i386::do_calls_non_split): New function.
477         * x86_64.cc (Target_x86_64::relocate_section): Add
478         reloc_symbol_changes parameter.
479         (Target_x86_64::do_calls_non_split): New function.
480         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
481         parameter.
482         * powerpc.cc (Target_powerpc::relocate_section): Add
483         reloc_symbol_changes parameter.
484         * sparc.cc (Target_sparc::relocate_section): Add
485         reloc_symbol_changes parameter.
486         * configure.ac: Call AM_CONDITIONAL for the default target.
487         * configure: Rebuild.
488         * testsuite/Makefile.am (TEST_AS): New variable.
489         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
490         (check_DATA): Add split_i386 and split_x86_64 files.
491         (SPLIT_DEFSYMS): Define.
492         (split_i386_[1234n].o): New targets.
493         (split_i386_[124]): New targets.
494         (split_i386_[1234r].stdout): New targets.
495         (split_x86_64_[1234n].o): New targets.
496         (split_x86_64_[124]): New targets.
497         (split_x86_64_[1234r].stdout): New targets.
498         (MOSTLYCLEANFILES): Add new executables.
499         * testsuite/split_i386.sh: New file.
500         * testsuite/split_x86_64.sh: New file.
501         * testsuite/split_i386_1.s: New file.
502         * testsuite/split_i386_2.s: New file.
503         * testsuite/split_i386_3.s: New file.
504         * testsuite/split_i386_4.s: New file.
505         * testsuite/split_i386_n.s: New file.
506         * testsuite/split_x86_64_1.s: New file.
507         * testsuite/split_x86_64_2.s: New file.
508         * testsuite/split_x86_64_3.s: New file.
509         * testsuite/split_x86_64_4.s: New file.
510         * testsuite/split_x86_64_n.s: New file.
511         * testsuite/testfile.cc (Target_test): Update relocation_section
512         function.
513         * testsuite/Makefile.in: Rebuild.
514
515 2009-10-06  Ian Lance Taylor  <iant@google.com>
516
517         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
518         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
519         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
520         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
521         the address on ldo_addrs_.
522         (Target_i386::Relocate::fix_up_ldo): New function.
523
524 2009-10-06   Rafael Espindola  <espindola@google.com>
525
526         * plugin.cc (add_input_library): New.
527         (Plugin::load): Add add_input_library to tv.
528         (Plugin_manager::add_input_file): Add the is_lib argument.
529         (add_input_file): Update call to Plugin_manager::add_input_file.
530         (add_input_library): New.
531         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
532
533 2009-09-30  Doug Kwan  <dougkwan@google.com>
534
535         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
536         symbol and call Symbol::may_need_copy_reloc to determine if
537         a copy reloc is needed.
538         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
539         nocopyreloc is given in command line.
540         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
541         given in command line.
542         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
543         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
544         of the removed Target_i386::may_need_copy_reloc.
545         * options.h (copyreloc): New option with default value false.
546         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
547         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
548         instead of the removed Target_powerpc::may_need_copy_reloc.
549         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
550         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
551         instead of the removed Target_sparc::may_need_copy_reloc.
552         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
553         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
554         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
555         instead of the removed Target_x86_64::may_need_copy_reloc.
556
557 2009-09-30  Ian Lance Taylor  <iant@google.com>
558
559         * object.h (class Object): Remove target_ field, and target,
560         sized_target, and set_target methods.
561         (Object::sized_target): Remove.
562         (class Sized_relobj): Update declarations.  Remove sized_target.
563         * object.cc (Sized_relobj::setup): Remove target parameter.
564         Change all callers.
565         (Input_objects::add_object): Don't do anything with the target.
566         (make_elf_sized_object): Add punconfigured parameter.  Change all
567         callers.  Set or test parameter target.
568         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
569         Change all callers.
570         * parameters.cc (Parameters::set_target): Change parameter type to
571         be non-const.
572         (Parameters::default_target): Remove.
573         (set_parameters_target): Change parameter type to be non-const.
574         (parameters_force_valid_target): New function.
575         (parameters_clear_target): New function.
576         * parameters.h (class Parameters): Update declarations.  Remove
577         default_target method.  Add sized_target and clear_target
578         methods.  Change target_ to be non-const.
579         (set_parameters_target): Update declaration.
580         (parameters_force_valid_target): Declare.
581         (parameters_clear_target): Declare.
582         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
583         as NULL if we aren't searching.
584         (Add_symbols::run): Don't check for compatible target.
585         * fileread.cc (Input_file::open_binary): Call
586         parameters_force_valid_target.
587         * gold.cc (queue_middle_tasks): Likewise.
588         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
589         set_target on object.
590         * dynobj.h (class Sized_dynobj): Update declarations.
591         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
592         make_elf_object returns NULL.
593         (Archive::include_member): Don't check whether object target is
594         compatible.
595         * output.cc (Output_section::add_input_section): Get target from
596         parameters.
597         (Output_section::relax_input_section): Likewise.
598         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
599         parameters.
600         (Sized_relobj::do_scan_relocs): Likewise.
601         (Sized_relobj::relocate_sections): Likewise.
602         * resolve.cc (Symbol_table::resolve): Likewise.
603         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
604         parameter.  Change all callers.
605         (Symbol_table::add_from_object): Get target from parameters.
606         (Symbol_table::add_from_relobj): Don't check object target.
607         (Symbol_table::add_from_dynobj): Likewise.
608         (Symbol_table::define_special_symbol): Get target from
609         parameters.
610         * symtab.h (class Symbol_table): Update declaration.
611         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
612         parameter.  Change all callers.  Clear parameter target.
613         (Binary_test): Test target here.
614         * testsuite/object_unittest.cc (gold_testsuite): Remove
615         target_test_pointer parameter.  Change all callers.
616         (Object_test): Test target here.
617
618 2009-09-26  Ian Lance Taylor  <iant@google.com>
619
620         * testsuite/initpri1.c: Don't try to use constructor priorities if
621         compiling with gcc before 4.3.
622
623 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
624
625         * testsuite/retain_symbols_file_test.sh (check_present): Change
626         output file name to retain_symbols_file_test.stdout.
627         (check_absent): Likewise.
628
629 2009-09-18  Craig Silverstein  <csilvers@google.com>
630
631         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
632         * options.cc: Include <cerrno> and <fstream>.
633         (General_options::finalize): Parse -retain-symbols-file tag.
634         * options.h: New flag.
635         (General_options): New method should_retain_symbol, new
636         variable symbols_to_retain.
637         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
638         should_retain_symbol map.
639         * testsuite/Makefile.am (retain_symbols_file_test): New test.
640         * testsuite/Makefile.in: Regenerate.
641         * testsuite/retain_symbols_file_test.sh: New file.
642
643 2009-09-18  Nick Clifton  <nickc@redhat.com>
644
645         * po/es.po: Updated Spanish translation.
646
647 2009-09-17  Doug Kwan  <dougkwan@google.com>
648
649         * debug.h (DEBUG_RELAXATION): New constant.
650         (DEBUG_ALL): Add DEBUG_RELAXATION.
651         (debug_string_to_enum): Add relaxation debug option.
652         * layout.cc
653         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
654         Layout::Relaxation_debug_check::read_sections,
655         Layout::Relaxation_debug_check::read_sections): New method definitions.
656         (Layout::Layout): Initialize data members
657         record_output_section_data_from_scrips_,
658         script_output_section_data_list_ and relaxation_debug_check_.
659         (Layout::save_segments, Layout::restore_segments,
660         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
661         Layout::relaxation_loop_body): New method definitions.
662         (Layout::finalize): Support relaxation.  Move section layout code to
663         Layout::relaxation_loop_body.
664         (Layout::set_asection_address_from_script): Move code for orphan
665         section placement out.
666         (Layout::place_orphan_sections_in_script): New method definition.
667         * layout.h (Output_segment_headers, Output_file_header):
668         New forward class declarations.
669         (Layout::~Layout): Define.
670         (Layout::new_output_section_data_from_script): New method definition.
671         (Layout::place_orphan_sections_in_script): New method declaration.
672         (Layout::Segment_states): New type declaration.
673         (Layout::save_segments, Layout::restore_segments,
674         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
675         Layout::relaxation_loop_body): New method declarations.
676         (Layout::Output_section_data_list): New type declaration.
677         (Layout::Relaxation_debug_check): New class definition.
678         (Layout::record_output_section_data_from_script_,
679         Layout::script_output_section_data_list_, Layout::segment_states_,
680         Layout::relaxation_debug_check_): New data members.
681         * output.cc: (Output_section_headers::do_size): New method definition.
682         (Output_section_headers::Output_section_headers): Move size
683         computation to Output_section_headers::do_size.
684         (Output_segment_headers::do_size): New method definition.
685         (Output_file_header::Output_file_header): Move size computation to 
686         Output_file_header::do_size and call it.
687         (Output_file_header::do_size): New method definition.
688         (Output_data_group::Output_data_group): Adjust call to
689         Output_section_data.
690         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
691         (Output_symtab_xindex::do_write): Add array bound check.
692         (Output_section::Input_section::print_to_mapfile): Handle
693         RELAXED_INPUT_SECTION_CODE.
694         (Output_section::Output_section): Initialize data member checkpoint_.
695         (Output_section::~Output_section): Delete checkpoint object pointed
696         by checkpoint_.
697         (Output_section::add_input_section): Always add an Input_section if
698         relaxing.
699         (Output_section::add_merge_input_section): Add assert.
700         (Output_section::relax_input_section): New method definition.
701         (Output_section::set_final_data_size): Set load address to zero for
702         an unallocated section.
703         (Output_section::do_address_and_file_offset_have_reset_values):
704         New method definition.
705         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
706         Handle relaxed input section.
707         (Output_section::sort_attached_input_sections): Checkpoint input
708         section list lazily.
709         (Output_section::get_input_sections): Change type of input_sections to
710         list of Simple_input_section pointers.  Checkpoint input section list
711         lazily.  Also handle relaxed input sections.
712         (Output_section::add_input_section_for_script): Take a reference to
713         a Simple_input_section object instead of Relobj pointer and section
714         index as parameter.  Handle relaxed input sections.
715         (Output_section::save_states, Output_section::restore_states): New
716         method definitions.
717         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
718         (Output_data::is_data_size_fixed): New method definition.
719         (Output_data::reset_addresss_and_file_offset): Do not reset data size
720         if it is fixed.
721         (Output_data::address_and_file_offset_have_reset_values): New method
722         definition.
723         (Output_data::do_address_and_file_offset_have_reset_values): New method
724         definition.
725         (Output_data::set_data_size): Check that data size is not fixed.
726         (Output_data::fix_data_size): New method definition.
727         (Output_data::is_data_size_fixed_): New data member.
728         (Output_section_headers::set_final_data_size): New method definition.
729         (Output_section_headers::do_size): New method declaration.
730         (Output_segment_headers::set_final_data_size): New method definition.
731         (Output_segment_headers::do_size): New method declaration.
732         (Output_file_header::set_final_data_size)::New method definition.
733         (Output_file_header::do_size)::New method declaration.
734         (Output_section_data::Output_section_data): Add new parameter
735         is_data_size_fixed and use it to fix data size.
736         (Output_data_const::Output_data_const): Adjust call to base class
737         constructor and fix data size.
738         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
739         base class constructor and fix data size.
740         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
741         base class constructor and fix data size.
742         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
743         class constructor and fix data size.
744         (Output_data_group::set_final_data_size): New method definition.
745         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
746         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
747         class constructor and fix data size.
748         (Output_relaxed_input_section): New class definition.
749         (Output_section::Simple_input_section): New class definition.
750         (Output_section::get_input_sections): Adjust parameter list.
751         (Output_section::add_input_section_for_script): Same.
752         (Output_section::save_states, Output_section::restore_states,
753         Output_section::do_address_and_file_offset_have_reset_values,
754         (Output_section::Input_section::Input_section): Handle
755         RELAXED_INPUT_SECTION_CODE.  Add new overload for
756         Output_relaxed_input_section.
757         (Output_section::Input_section::is_input_section,
758         Output_section::Input_section::set_output_section): Handle relaxed
759         input section.
760         (Output_section::Input_section::is_relaxed_input_section,
761         Output_section::Input_section::output_section_data,
762         Output_section::Input_section::relaxed_input_section): New method
763         definitions.
764         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
765         value.
766         (Output_section::Input_section::u1_): Update comments.
767         (Output_section::Input_section::u2_): Add new union member poris.
768         (Output_section::Checkpoint_output_section): New classs definition.
769         (Output_section::relax_input_section): New method declaration.
770         (Output_section::checkpoint_): New data member.
771         (Output_segment): Update comments.
772         (Output_segment::Output_segment): Un-privatize copy constructor.
773         (Output_segment::operator=): Un-privatize.
774         * script-sections.cc (Output_section_element::Input_section_list):
775         Change element type to Output_section::Simple_input_section.
776         (Output_section_element_dot_assignment::set_section_addresses):
777         Register output section data for relaxation clean up.
778         (Output_data_exression::Output_data_expression): Adjust call to base
779         constructor to fix data size.
780         (Output_section_element_data::set_section_addresses): Register
781         Output_data_expression object for relaxation clean up.
782         (struct Input_section_info): Replace Relobj pointer and section index
783         pair with Output_section::Simple_input_section and Convert struct to a
784         class.
785         (Input_section_sorter::operator()): Adjust access to
786         Input_section_info data member to use accessors. 
787         (Output_section_element_input::set_section_addresses): Use layout
788         parameter.  Adjust code to use Output_section::Simple_input_section
789         and Input_secction_info classes.  Register filler for relaxation
790         clean up.
791         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
792         and section index pair with Output_section::Simple_input_section
793         class.  Adjust code accordingly.
794         (Phdrs_element::release_segment): New method definition.
795         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
796         segment list.
797         (Script_sections::release_segments): New method definition.
798         * gold/script-sections.h (Script_sections::release_segments): New
799         method declaration.
800         * gold/target.h (Target::may_relax, Target::relax,
801         Target::do_may_relax, Target::do_relax): New method definitions.
802
803 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
804
805         * arm.cc (has_signed_unsigned_overflow): New function.
806         (Arm_relocate_functions::abs8): New function.
807         (Target_arm::Scan::local): Handle R_ARM_ABS8.
808         (Target_arm::Scan::global): Likewise.
809         (Target_arm::relocate::relocate): Likewise.
810         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
811         Likewise.
812
813 2009-09-16  Cary Coutant  <ccoutant@google.com>
814
815         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
816         * testsuite/Makefile.in: Regenerate.
817
818 2009-09-11  Nick Clifton  <nickc@redhat.com>
819
820         * po/gold.pot: Updated by the Translation project.
821
822 2009-09-08  Cary Coutant  <ccoutant@google.com>
823
824         * output.cc (Output_file::open): Add execute permission to empty file.
825         * testsuite/Makefile.am (permission_test): New test.
826         * testsuite/Makefile.in: Regenerate.
827
828 2009-09-02  Ian Lance Taylor  <iant@google.com>
829
830         * output.cc (Output_file::resize): Call map_no_anonymous rather
831         than map.
832
833 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
834
835         * gold.cc: Include "incremental.h".
836         (queue_initial_tasks): Call Incremental_checker methods.
837         * incremental.cc: Include "output.h".
838         (Incremental_checker::can_incrementally_link_output_file): New
839         method.
840         * incremental.h (Incremental_checker): New class.
841
842         * output.cc (Output_file::open_for_modification): New method.
843         (Output_file::map_anonymous): Changed return type to bool.  Record
844         map in base_ field.
845         (Output_file::map_no_anonymous): New method, broken out of map.
846         (Output_file::map): Use map_no_anonymous and map_anonymous.
847         * output.h (class Output_file): Update declarations.
848
849 2009-08-24  Cary Coutant  <ccoutant@google.com>
850
851         * options.h (Command_line::Pre_options): New class.
852         (Command_line::pre_options): New member.
853         * options.cc (gold::options::ready_to_register): New variable.
854         (One_option::register_option): Do nothing if not registering options.
855         Assert if same short option registered twice.
856         (General_options::General_options): Turn off option registration when
857         done constructing.
858         (Command_line::Pre_options::Pre_options): New constructor.
859
860 2009-08-24  Cary Coutant  <ccoutant@google.com>
861
862         * options.h (General_options::no_keep_memory): Remove incorrect
863         short option.
864
865 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
866
867         * Makefile.am (am__skiplex, am__skipyacc): New.
868         * Makefile.in: Regenerate.
869
870 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
871
872         * Makefile.am (AM_CPPFLAGS): Renamed from ...
873         (INCLUDES): ... this.
874         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
875         (AM_CPPFLAGS): Renamed from ...
876         (INCLUDE): ... this.
877         * Makefile.in, testsuite/Makefile.in: Regenerate.
878
879         * Makefile.in: Regenerate.
880         * aclocal.m4: Likewise.
881         * config.in: Likewise.
882         * configure: Likewise.
883         * testsuite/Makefile.in: Likewise.
884
885         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
886         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
887         * Makefile.in: Regenerate.
888         * testsuite/Makefile.in: Regenerate.
889
890 2009-08-19  Cary Coutant  <ccoutant@google.com>
891
892         * resolve.cc (Symbol_table::resolve): Don't complain about defined
893         symbols in shared libraries overridden by hidden or internal symbols
894         in the main program.
895
896 2009-08-19  Chris Demetriou  <cgd@google.com>
897
898         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
899         checking source file names in error messages.
900
901 2009-08-18  Doug Kwan  <dougkwan@google.com>
902
903         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
904         an elcpp::Ehdr as parameter.  Adjust call to set_target.
905         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
906         an elfcpp::Ehdr as parameter.
907         * object.cc (Object::set_target): Remove the version that looks up
908         a target and sets it.
909         (Sized_relobj::setup): Take a Target object instead of
910         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
911         (make_elf_sized_object): Find target and ask target to
912         make an ELF object.
913         * object.h: (Object::set_target): Remove the version that looks up
914         a target and sets it.
915         (Sized_relobj::setup): Take a Target object instead of
916         an elfcpp:Ehdr as parameter.
917         * target.cc: Include dynobj.h.
918         (Target::do_make_elf_object_implementation): New.
919         (Target::do_make_elf_object): New.
920         * target.h (Target::make_elf_object): New template declaration.
921         (Target::do_make_elf_object): New method declarations.
922         (Target::do_make_elf_object_implementation): New template declaration.
923
924 2009-08-14  Ian Lance Taylor  <iant@google.com>
925
926         * gold.h (FUNCTION_NAME): Define.
927         (gold_unreachable): Use FUNCTION_NAME.
928
929 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
930
931         * icf.cc (Icf::find_identical_sections): Issue a warning when a
932         symbol in the --keep-unique list is not found.
933
934 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
935
936         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
937         been maked as --keep-unique.
938         (Icf::unfold_section): New function.
939         * icf.h (Icf::unfold_section): New function.
940         * options.h (General_options::keep_unique): New option.
941         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
942         * testsuite/Makefile.in: Regenerate.
943         * testsuite/icf_keep_unique_test.sh: New file.
944         * testsuite/icf_keep_unique_test.cc: New file.
945
946 2009-08-12  Cary Coutant  <ccoutant@google.com>
947
948         PR 10471
949         * resolve.cc (Symbol_table::resolve): Check for references from
950         dynamic objects to hidden and internal symbols.
951         * testsuite/Makefile.am (hidden_test.sh): New test.
952         * testsuite/Makefile.in: Regenerate.
953         * testsuite/hidden_test.sh: New script.
954         * testsuite/hidden_test_1.c: New test source.
955         * testsuite/hidden_test_main.c: New test source.
956
957 2009-08-11  Doug Kwan  <dougkwan@google.com>
958
959         * arm.cc: Update comments.
960         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
961         segment to locate the .ARM.exidx section if present.
962
963 2009-08-09  Doug Kwan  <dougkwan@google.com>
964
965         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
966         patch.
967
968 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
969         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
970         compiler warnings.
971
972 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
973
974         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
975         valid tls_segment only for non-debug-section relocations.
976         * testsuite/Makefile.am: Add gc_tls_test.
977         * testsuite/Makefile.in: Regenerate.
978         * testsuite/gc_tls_test.cc: New file.
979         * testsuite/gc_tls_test.sh: New file.
980
981 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
982         
983         * icf.cc: New file.
984         * icf.h: New file.
985         * Makefile.am (CCFILES): Add icf.cc.
986         (HFILES): Add icf.h
987         * Makefile.in: Regenerate.
988         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
989         * gc.h (gc_process_relocs): Populate lists used by icf to contain
990         section, symbol and addend information for the relocs.
991         * gold.cc (queue_middle_tasks): Call identical code folding.
992         * gold.h: Add defines for multimap.
993         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
994         to the call of finalize_local_symbols.
995         * main.cc (main): Create object of class Icf.
996         * object.cc (Sized_relobj::do_layout): Allow this function to be
997         called twice during icf.
998         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
999         to sections marked as identical by icf.
1000         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
1001         when available.
1002         (Sized_relobj::do_section_entsize): New function.
1003         * object.h (Object::section_entsize): New function.
1004         (Object::do_section_entsize): New pure virtual function.
1005         (Relobj::finalize_local_symbols): Add new parameter.
1006         (Relobj::do_section_entsize): New function.
1007         * options.h (General_options::icf): New option.
1008         (General_options::icf_iterations): New option.
1009         (General_options::print_icf_sections): New option.
1010         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
1011         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
1012         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
1013         icf.
1014         * symtab.cc (Symbol_table::is_section_folded): New function.
1015         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
1016         to sections marked as identical by icf.
1017         * symtab.h (Symbol_table::set_icf): New function.
1018         (Symbol_table::icf): New function.
1019         (Symbol_table::is_section_folded): New function.
1020         (Symbol_table::icf_): New data member.
1021         * target-reloc.h (relocate_section): Ignore sections folded by icf.
1022         * testsuite/Makefile.am: Add commands to build icf_test.
1023         * testsuite/Makefile.in: Regenerate.
1024         * testsuite/icf_test.sh: New file.
1025         * testsuite/icf_test.cc: New file.
1026
1027 2009-07-24  Chris Demetriou  <cgd@google.com>
1028
1029         * layout.cc (is_compressible_debug_section): Fix incorrect
1030         comment about compressed section names.
1031
1032 2009-07-20  Ian Lance Taylor  <ian@airs.com>
1033
1034         PR 10419
1035         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
1036
1037 2009-07-16  Ian Lance Taylor  <iant@google.com>
1038
1039         PR 10400
1040         * layout.h: #include <map>.
1041         (class Kept_section): Change from struct to class.  Add accessors
1042         and setters.  Add section size to Comdat_group mapping.  Change
1043         Comdat_group to std::map.  Add is_comdat_ field.  Add
1044         linkonce_size field in union.
1045         (class Layout): Update declaration of find_or_add_kept_section.
1046         Don't declare find_kept_object.
1047         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
1048         parameter.  Add object, shndx, is_comdat, and is_group_name
1049         parameters.  Change all callers.  Adjust for new Kept_section.
1050         (Layout::find_kept_object): Remove.
1051         * object.cc (Sized_relobj::include_section_group): Update use of
1052         Kept_section.  Rename secnum to shndx.  Only record
1053         Kept_comdat_section if sections are the same size.
1054         (Sized_relobj::include_linkonce_section): Update use of
1055         Kept_section.  Only record Kept_comdat_section if sections are the
1056         same size.  Set size of linkonce section.
1057         (Sized_relobj::map_to_kept_section): Update call to
1058         get_kept_comdat_section.
1059         * object.h (class Sized_relobj): Rename fields in
1060         Kept_comdat_section to drop trailing underscores; change object
1061         field to Relobj*.  Change Kept_comdat_section_table to store
1062         struct rather than pointer.
1063         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
1064         Add kept_object and kept_shndx parameters.  Change all callers.
1065         (Sized_relobj::get_kept_comdat_section): Change return type to
1066         bool.  Add kept_object and kept_shndx parameters.  Change all
1067         callers.
1068         * plugin.cc (Pluginobj::include_comdat_group): Update call to
1069         Layout::find_or_add_kept_section.
1070
1071 2009-07-09  Ian Lance Taylor  <iant@google.com>
1072
1073         * merge.cc (Object_merge_map::initialize_input_to_output_map):
1074         Reserve space in the hash table.
1075
1076 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
1077
1078         * fileread.cc (File_read::get_mtime): New method.
1079         * fileread.h (Timespec): New structure.
1080         (File_read::get_mtime): New method.
1081         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
1082         Renamed from timestamp_nsec.
1083         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
1084         Elf_Xword.
1085         (Incremental_inputs_entry_write::timestamp_usec): Renamed from 
1086         timestamp_nsec.
1087         (Incremental_inputs::report_archive): Save mtime; style fix. 
1088         (Incremental_inputs::report_obejct): Save mtime; style fix.
1089         (Incremental_inputs::report_script): Save mtime; style fix.
1090         (Incremental_inputs::finalize_inputs): Style fix.
1091         (Incremental_inputs::finalize): Style fix.
1092         (Incremental_inputs::create_input_section_data): Store inputs
1093         mtime.
1094         * incremental.h (Incremental_inputs::report_script): Add mtime
1095         argument.
1096         (Incremental_inputs::Input_info::Input_info): Intialize only one
1097         union member.
1098         (Incremental_inputs::Input_info::archive): Move to nameless
1099         union.
1100         (Incremental_inputs::Input_info::obejct): Move to nameless union.
1101         (Incremental_inputs::Input_info::script): Move to nameless union.
1102         (Incremental_inputs::mtime): New field.
1103         * script.cc (read_input_script): Pass file mtime to
1104         Incremental_input.
1105         * script.h (Script_info::inputs): Style fix.
1106
1107 2009-07-01  Ian Lance Taylor  <ian@airs.com>
1108
1109         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
1110         instead of 32.
1111
1112 2009-06-24  Ian Lance Taylor  <iant@google.com>
1113
1114         PR 10156
1115         * layout.cc (Layout::choose_output_section): If we find an
1116         existing section, update the flags.
1117         (Layout::create_notes): New function, broken out of
1118         Layout::finalize.
1119         (Layout::finalize): Don't create note sections.
1120         (Layout::create_note): Don't crash if linker script discards
1121         section.
1122         (Layout::create_gold_note): Likewise.
1123         (Layout::create_build_id): Likewise.  Don't set
1124         after_input_sections on the section.
1125         (Layout::create_executable_stack_info): Remove target parameter.
1126         Change caller.
1127         * layout.h (class Layout): Declare create_notes.  Update
1128         declaration of create_executable_stack_info.
1129         * gold.cc (queue_middle_tasks): Call create_notes.
1130         * output.cc (Output_section::update_flags_for_input_section): Move
1131         here from output.h.  If SHF_ALLOC flag is newly set, mark address
1132         invalid.
1133         * output.h (Output_data::mark_address_invalid): New function.
1134         (class Output_section): Only declare, not define,
1135         update_flags_for_input_section.  Remove set_flags.
1136
1137 2009-06-24  Ian Lance Taylor  <iant@google.com>
1138
1139         * script-sections.cc (Output_section_definition::
1140         set_section_addresses): Rename shadowing local load_address to
1141         laddr.
1142
1143 2009-06-24  Ian Lance Taylor  <iant@google.com>
1144
1145         PR 10244
1146         * reloc.cc (relocate_sections): Skip empty relocation sections.
1147
1148 2009-06-23  Ian Lance Taylor  <iant@google.com>
1149
1150         PR 10156
1151         * layout.cc (Layout::create_note): Use choose_output_section
1152         rather than make_output_section.
1153
1154 2009-06-23  Ian Lance Taylor  <iant@google.com>
1155
1156         PR 10237
1157         * options.cc (General_options::parse_V): Set printed_version_.
1158         (General_options::General_options): Initialize printed_version_.
1159         * options.h (class General_options): Add printed_version_ field.
1160         * gold.cc (queue_initial_tasks): If there are no input files,
1161         don't give a fatal error if we printed the version information.
1162         (queue_middle_tasks): If using -r with a shared object, give a
1163         fatal error rather than an ordinary error.
1164
1165 2009-06-23  Ian Lance Taylor  <iant@google.com>
1166
1167         PR 10219
1168         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
1169         (Layout::make_output_section): Set have_stabstr_section_ if we see
1170         a .stab*str section.
1171         (Layout::finalize): Call link_stabs_sections.
1172         (Layout::link_stabs_sections): New file.
1173         * layout.h (class Layout): Add have_stabstr_section_ field.
1174         Declare link_stabs_sections.
1175
1176 2009-06-23  Doug Kwan  <dougkwan@google.com>
1177
1178         * Makefile.am (libgold_a_LIBADD): New.
1179         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
1180         * Makefile.in: Regenerate.
1181         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
1182         * configure: Regenerate.
1183         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
1184         * fileread.cc: Include sys/state.h
1185         * gold.h: Declare memmem and strndup if found missing.
1186         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
1187
1188 2009-06-23  Ian Lance Taylor  <iant@google.com>
1189
1190         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
1191         * configure: Rebuild.
1192
1193 2009-06-23  Ian Lance Taylor  <iant@google.com>
1194
1195         PR 10147
1196         * object.cc (Object::section_contents): Don't try to get a view if
1197         the section has length zero.
1198         (Object::handle_gnu_warning_section): If the section is empty, use
1199         the name of the section as the warning.
1200
1201 2009-06-23  Ian Lance Taylor  <iant@google.com>
1202
1203         PR 10133
1204         * stringpool.h (class Stringpool_template): Add optimize_ field.
1205         (Stringpool_template::set_optimize): New function.
1206         * stringpool.cc (Stringpool_template::Stringpool_template):
1207         Initialize optimize_ field.
1208         (Stringpool_template::set_string_offsets): Test local optimize
1209         fild rather than parameter.
1210         * layout.cc (Layout::Layout): Call set_optimize on the section
1211         name stringpool.
1212
1213 2009-06-22  Ian Lance Taylor  <iant@google.com>
1214
1215         PR 10030
1216         * yyscript.y: Parse TARGET.
1217         * script.cc (script_set_target): New function.
1218         * script-c.h (script_set_target): Declare.
1219         * options.cc (General_options::string_to_object_format): Rename
1220         from string_to_object_format in anonymous namespace.  Change
1221         callers.
1222         * options.h (class General_options): Declare
1223         string_to_object_format.
1224
1225 2009-06-22  Ian Lance Taylor  <iant@google.com>
1226
1227         * script-sections.cc (Script_sections::create_segments): Don't put
1228         program headers in a PT_LOAD segment if -n or -N.
1229
1230 2009-06-22  Ian Lance Taylor  <iant@google.com>
1231
1232         PR 10141
1233         * options.h (class General_options): Add -z lazy and -z now.  Sort
1234         -z options into alphabetical order.
1235         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
1236
1237 2009-06-21  Ian Lance Taylor  <iant@google.com>
1238
1239         * layout.cc (Layout::make_output_section): Call
1240         Target::new_output_section.
1241         (Layout::attach_allocated_section_to_segment): Put large section
1242         sections in a separate load segment with the large segment flag
1243         set.
1244         (Layout::segment_precedes): Sort large data segments after other
1245         load segments.
1246         (align_file_offset): New static function.
1247         (Layout::set_segment_offsets): Use align_file_offset.
1248         * output.h (class Output_section): Add is_small_section_ and
1249         is_large_section_ fields.
1250         (Output_section::is_small_section): New function.
1251         (Output_section::set_is_small_section):  New function.
1252         (Output_section::is_large_section): New function.
1253         (Output_section::set_is_large_section): New function.
1254         (Output_section::is_large_data_section): New function.
1255         (class Output_segment): Add is_large_data_segment_ field.
1256         (Output_segment::is_large_data_segment): New function.
1257         (Output_segment::set_is_large_data_segment): New function.
1258         * output.cc (Output_section::Output_section): Initialize new
1259         fields.
1260         (Output_segment::Output_segment): Likewise.
1261         (Output_segment::add_output_section): Add assertion that large
1262         data sections always go in large data segments.  Force small data
1263         sections to the end of the list of data sections.  Force small BSS
1264         sections to the start of the list of BSS sections.  For large BSS
1265         sections to the end of the list of BSS sections.
1266         * symtab.h (class Symbol): Declare is_common_shndx.
1267         (Symbol::is_defined): Check Symbol::is_common_shndx.
1268         (Symbol::is_common): Likewise.
1269         (class Symbol_table): Define enum Commons_section_type.  Update
1270         declarations.  Add small_commons_ and large_commons_ fields.
1271         * symtab.cc (Symbol::is_common_shndx): New function.
1272         (Symbol_table::Symbol_table): Initialize new fields.
1273         (Symbol_table::add_from_object): Put small and large common
1274         symbols in the right list.
1275         (Symbol_table::sized_finalized_symbol): Check
1276         Symbol::is_common_shndx.
1277         (Symbol_table::sized_write_globals): Likewise.
1278         * common.cc (Symbol_table::do_allocate_commons): Allocate new
1279         common symbol lists.  Don't call do_allocate_commons_list if the
1280         list is empty.
1281         (Symbol_table::do_allocate_commons_list): Remove is_tls
1282         parameter.  Add comons_section_type parameter.  Change all
1283         callers.  Handle small and large common symbols.
1284         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
1285         Symbol::is_common_shndx.
1286         * resolve.cc (symbol_to_bits): Likewise.
1287         * target.h (Target::small_common_shndx): New function.
1288         (Target::small_common_section_flags): New function.
1289         (Target::large_common_shndx): New function.
1290         (Target::large_common_section_flags): New function.
1291         (Target::new_output_section): New function.
1292         (Target::Target_info): Add small_common_shndx, large_common_shndx,
1293         small_common_section_flags, and large_common_section_flags
1294         fields.
1295         (Target::do_new_output_section): New virtual function.
1296         * arm.cc (Target_arm::arm_info): Initialize new fields.
1297         * i386.cc (Target_i386::i386_info): Likewise.
1298         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
1299         Likewise.
1300         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
1301         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
1302         (Target_x86_64::do_new_output_section): New function.
1303         * configure.ac: Define conditional MCMODEL_MEDIUM.
1304         * testsuite/Makefile.am (check_PROGRAMS): Add large.
1305         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
1306         (large_LDFLAGS): Define.
1307         * testsuite/large.c: New file.
1308         * testsuite/testfile.cc (Target_test::test_target_info):
1309         Initialize new fields.
1310         * configure, testsuite/Makefile.in: Rebuild.
1311
1312 2009-06-05  Doug Kwan  <dougkwan@google.com>
1313
1314         * Makefile.am (CCFILES): Add target.cc.
1315         * Makefile.in: Regenerate. 
1316         * i386.cc (class Target_i386): Define new virtual method to
1317         override do_is_local_label_name in parent.
1318         * object.cc (Sized_relobj::do_count_local_symbols): Discard
1319         local symbols if --discard-locals or -X is given.
1320         * options.h (class General_options): Declare new options
1321         '--discard-locals' and '-X' for discarding locals.
1322         * target.h (class Target): Define new methods is_local_label_name.
1323         Declare new virtual method do_is_local_label_name.
1324         * target.cc: New file.
1325         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
1326         (check_SCRIPTS): Add discard_locals_test.sh.
1327         (check_DATA): Add discard_local_tests.syms.
1328         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
1329         (discard_local_tests.syms, discard_locals_test.o): New make rules.
1330         * testsuite/Makefile.in: Regenerate.
1331         * testsuite/discard_locals_test.c: New file.
1332         * testsuite/discard_locals_test.sh: Same.
1333
1334 2009-06-05  Doug Kwan  <dougkwan@google.com>
1335
1336         * object.cc (Sized_relobj::Sized_relobj): Initialize
1337         discarded_eh_frame_shndx_ to -1U.
1338         (Sized_relobj::do_layout): Record index of a discard .eh_frame
1339         section.
1340         (Sized_relobj::do_count_local_symbols): Skip local symbols in
1341         a discarded .eh_frame section.
1342         (Sized_relobj::do_finalize_local_symbols): Ditto.
1343         * object.h (class Sized_relobj): Declare new member
1344         discarded_eh_frame_shndx_.
1345         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
1346         (local_labels_test.o, local_labels_test): New rules.
1347         * testsuite/Makefile.in: Regenerate.
1348
1349 2009-06-04  Doug Kwan  <dougkwan@google.com>
1350
1351         * layout.cc (Layout::section_name_mapping): Add mapping for
1352         special ARM sections.
1353
1354 2009-06-03  Doug Kwan  <dougkwan@google.com>
1355
1356         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
1357         (utils::has_overflow): Same.
1358
1359 2009-06-03  Ian Lance Taylor  <iant@google.com>
1360
1361         * layout.cc (Layout::section_name_mapping): New array, replacing
1362         Layout::linkonce_mapping.
1363         (Layout::section_name_mapping_count): New variable, replacing
1364         Layout::linkonce_mapping_count.
1365         (Layout::linkonce_output_name): Remove.
1366         (Layout::output_section_name): Rewrite.
1367         * layout.h (class Layout): Rename Linkonce_mapping to
1368         Section_name_mapping, linkonce_mapping to section_name_mapping,
1369         linkonce_mapping_count to section_name_mapping_count.  Don't
1370         declare linkonce_output_name.
1371
1372 2009-06-03  Doug Kwan  <dougkwan@google.com>
1373
1374         * gold/arm.cc (namespace utils): New.
1375         (Target_arm::reloc_is_non_pic): Define new method.
1376         (class Arm_relocate_functions): New.
1377         (Target_arm::Relocate::relocate): Handle relocation types used by
1378         Android.
1379
1380 2009-06-03  Ian Lance Taylor  <iant@google.com>
1381
1382         * arm.cc (Target_arm::scan::global): Use || instead of |.
1383
1384 2009-06-02  Doug Kwan  <dougkwan@google.com>
1385
1386         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
1387         issued_non_pic_error_.
1388         (class Target_arm::Scan): Declare new method check_non_pic.
1389         Define new method symbol_needs_plt_entry.
1390         Declare new data member issued_non_pic_error_.
1391         (class Target_arm::Relocate): Declare new method
1392         should_apply_static_reloc.
1393         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
1394         (Target_arm::Scan::check_non_pic): Define new method.
1395         (Target_arm::Scan::local): Handle a small subset of reloc types used
1396         by Android.
1397         (Target_arm::Scan::local): Same.
1398         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
1399
1400 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
1401
1402         * incremental.cc (Incremental_inputs::report_command_line): Filter
1403         out --incremental-* options.
1404
1405 2009-05-29  Doug Kwan  <dougkwan@google.com>
1406
1407         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
1408         template class.
1409         (class Target_arm): Update comment.
1410         (Target_arm::Target_arm): Initialize new data members GOT_,
1411         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
1412         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
1413         and Target_arm::rel_dyn_section.
1414         Declare new_enum Target_arm::Got_type.
1415         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
1416         and DYNBSS_.
1417         Update commments for member do_dynsym_value.
1418         (Target_arm::got_size, Target_arm::plt_section,
1419         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
1420         new methods inside class defintion.
1421         (Target_arm::got_section): Define new method.
1422         (Target_arm::rel_dyn_section): Same.
1423         (Output_data_plt_arm): New template class.
1424         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
1425         (Output_data_plt_arm:do_adjust_output_section): Define new method.
1426         (Output_data_plt_arm::add_entry): Same.
1427         (Output_data_plt_arm::first_plt_entry): Define new
1428         static data member for PLT instruction template.
1429         (Output_data_plt_arm::plt_entry): Same.
1430         (Output_data_plt_arm::do_write): Define new method.
1431         (Target_arm::make_plt_entry): Same.
1432         (Target_arm::do_finalize_sections): Same.
1433         (Target_arm::do_dynsym_value): Same.
1434
1435 2009-05-28  Doug Kwan  <dougkwan@google.com>
1436
1437         * Makefile.am (TARGETSOURCES): Add arm.cc.
1438         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
1439         * Makefile.in: Regenerate.
1440         * arm.cc: New file.
1441         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
1442
1443 2009-05-26  Doug Kwan  <dougkwan@google.com>
1444
1445         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
1446         (General_options::check_excluded_libs): Strip off directories in
1447         archive name before matching like GNU ld does.
1448         * testsuite/Makefile.am (MOSTLYCLEANFILES,
1449         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
1450         (exclude_libs_test_LDFLAGS): Add linker option
1451         -Wl,--exclude-libs,libexclude_libs_test_3
1452         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
1453         an explicit archive without using -l.
1454         (alt/libexclude_libs_test_3.a): New make rule.
1455         * testsuite/Makefile.in: Regenerate.
1456         * testsuite/exclude_libs_test.c : Declare lib3_default().
1457         (main): Call it.
1458         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
1459         * exclude_libs_test_3.c: New file.
1460
1461 2009-05-26  Nick Clifton  <nickc@redhat.com>
1462
1463         * po/id.po: New Indonesian translation.
1464         * po/gold.pot: Updated template file.
1465
1466 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
1467
1468         * testsuite/Makefile.am: Add -ffunction-sections to compile 
1469         gc_comdat_test files.  Add -Wl,--gc-sections to build
1470         gc_comdat_test.
1471         * testsuite/Makefile.in: Regenerate.
1472         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
1473
1474 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
1475
1476         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
1477         kept comdat section was garbage collected.
1478         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
1479         * testsuite/Makefile.in: Regenerate.
1480         * testsuite/gc_comdat_test.sh: New file.
1481         * testsuite/gc_comdat_test_1.cc: New file.
1482         * testsuite/gc_comdat_test_2.cc: New file.
1483
1484 2009-05-19  Doug Kwan  <dougkwan@google.com>
1485
1486         * archive.cc (Archive::Archive): Move constructor from archive.h
1487         to here.  Initialize no_export_.
1488         (Archive::get_elf_object_for_member): Set no_export flag of object.
1489         * archive.h (Archive::Archive): Move constructor body to
1490         archive.cc.
1491         (Archive::no_export): New method.
1492         (Archive::no_export_): New field.
1493         * object.h (Object::Object): Initialize no_export_ to false.
1494         (Object::no_export, Object::set_no_export): New methods.
1495         (Object::no_export_): New field.
1496         * options.cc (General_options::parse_exclude_libs): New method.
1497         (General_options::check_excluded_libs) Same.
1498         * options.h (exclude_libs): New option.
1499         (General_options::check_excluded_libs): New method declaration.
1500         (General_options::excluded_libs_): New field.
1501         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
1502         default or protected visibility if an object has no-export flag set.
1503         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
1504         (check_SCRIPTS): Add exclude_libs_test.sh.
1505         (check_DATA): Add exclude_libs_test.syms.
1506         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
1507         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
1508         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
1509         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
1510         (exclude_libs_test.syms, libexclude_libs_test_1.a,
1511         libexclude_libs_test_2.a): New rules.
1512         * testsuite/Makefile.in: Regenerate.
1513         * testsuite/exclude_libs_test.c: New file.
1514         * testsuite/exclude_libs_test.sh: Ditto.
1515         * testsuite/exclude_libs_test_1.c: Ditto.
1516         * testsuite/exclude_libs_test_2.c: Ditto.
1517
1518 2009-05-15  Ian Lance Taylor  <iant@google.com>
1519
1520         * configure.ac: Check for declarations for cases where libiberty.h
1521         checks HAVE_DECL_xxx.
1522         * configure, config.in: Rebuild.
1523
1524 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
1525
1526         * gold.h (Incremental_argument_list): Remove (invalid) forward
1527         declaration.
1528         * incremental.cc (Incremental_inputs::report_achive): New method.
1529         (Incremental_inputs::report_object): New method.
1530         (Incremental_inputs::report_script): New method.
1531         (Incremental_inputs::finalize_inputs): New method.
1532         (Incremental_inputs::finalize): Call finalize_inputs().
1533         (Incremental_inputs::sized_create_incremental_inputs_section_data):
1534         Create inputs entries.
1535         * incremental.h (Incremental_input_type): New enum.
1536         (Incremental_inputs::Incremental_input): Initialize new fields.
1537         (Incremental_inputs::report_inputs): New method.
1538         (Incremental_inputs::report_achive): New method.
1539         (Incremental_inputs::report_object): New method.
1540         (Incremental_inputs::report_script): New method.
1541         (Incremental_inputs::finalize_inputs): New method.
1542         (Incremental_inputs::Input_info): New struct.
1543         (Incremental_inputs::Input_info_map): New typedef.
1544         (Incremental_inputs::lock_): New field.
1545         (Incremental_inputs::Inputs_): New field.
1546         (Incremental_inputs::Inputs_map): New field.
1547         * main.cc (main): Call Incremental_input::report_inputs.
1548         * options.h (Input_argument_list): Typedef moved from
1549         Input_arguments.
1550         (Input_file_group::Files): Remove, use ::Input_argument_list.
1551         (Input_file_group::Input_argument_list): Remove, use
1552         ::Input_argument_list.
1553         * plugin.cc (Plugin_manager::add_input_file): Add error in
1554         incremental build.
1555         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
1556         functions.
1557         * script.cc (read_input_script): Call
1558         Incremental_input::report_script.
1559         * script.h (Script_info): New class.
1560
1561 2009-04-27  Ian Lance Taylor  <iant@google.com>
1562
1563         * x86_64.cc (do_adjust_output_section): Set entsize to
1564         plt_entry_size.
1565
1566 2009-04-23  Elliott Hughes  <enh@google.com>
1567
1568         * output.cc (Output_file::close): After short writes, continue
1569         writing from the correct offset in the buffer being written.
1570
1571 2009-04-23  Chris Demetriou  <cgd@google.com>
1572
1573         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
1574         * configure: Regenerate.
1575         * config.in: Regenerate.
1576         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
1577         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
1578
1579 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
1580
1581         * incremental.cc (Incremental_inputs_header_data): Renamed from
1582         Incremental_input_header_data.
1583         (Incremental_inputs_header_data::data_size): New field.
1584         (Incremental_inputs_header_data::put_input_file_count): Renamed
1585         from input_file_count.
1586         (Incremental_inputs_header_data::put_command_line_offset): Renamed
1587         from command_line_offset.
1588         (Incremental_inputs_header_data::put_reserved): Renamed from
1589         put_reserved.
1590         (Incremental_inputs_entry_data): Renamed from
1591         Incremental_input_entry_data.
1592         (Incremental_inputs_entry_data::data_size): New field.
1593         (Incremental_inputs::report_command_line): New method.
1594         (Incremental_inputs::finalize): New method.
1595         (Incremental_inputs::create_incremental_inputs_data): New method.
1596         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
1597         * incremental.h: New file.
1598         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
1599        (Layout::finalize): Create incremental inputs section in
1600         incremental builds.
1601        (Layout::create_incremental_info_sections): New method.
1602         * layout.h (Layout::incremental_inputs): New method.
1603        (Layout::create_incremental_info_sections): New method.
1604        (Layout::incremental_inputs_): New field.
1605         * main.cc (main): Notify Incremental_input of the command line.
1606
1607 2009-04-01  Ian Lance Taylor  <iant@google.com>
1608             Mikolaj Zalewski  <mikolajz@google.com>
1609
1610         * gold.h (reserve_unordered_map): Define, three versions, one for
1611         each version of Unordered_map.
1612         * layout.cc (Layout::Layout): Remove options parameter.  Add
1613         number_of_input_files parameter.  Don't initialize options_.
1614         Initialize number_of_input_files_ and resized_signatures_.  Move
1615         sections_are_attached_.
1616         (Layout::layout_group): Reserve space for group_signatures_.
1617         (Layout::find_or_add_kept_section): Change name parameter to be a
1618         reference.  Resize signatures_ map when it gets large enough.
1619         (Layout::layout_eh_frame): Use parameters->options() instead of
1620         this->options_.
1621         (Layout::make_output_section): Likewise.
1622         (Layout::attach_allocated_section_to_segment): Likewise.
1623         (Layout::finalize, Layout::create_executable_stack): Likewise.
1624         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
1625         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
1626         * layout.h (class Layout): Update declarations.  Remove options_
1627         field.  Add number_of_input_files_ and resized_signatures_
1628         fields.  Move sections_are_attached_ field.
1629         * main.cc (main): Pass number of input files to Layout
1630         constructor.  Don't pass options.
1631
1632 2009-03-30  Ian Lance Taylor  <iant@google.com>
1633
1634         * ffsll.c (ffsll): Correct implementation.
1635
1636 2009-03-27  Ian Lance Taylor  <iant@google.com>
1637
1638         * ffsll.c: New file.
1639         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
1640         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
1641         * ftruncate.c (ftruncate): Declare before definition.
1642         * mremap.c (mremap): Likewise.
1643         * pread.c (pread): Likewise.
1644         * configure, Makefile.in, config.in: Rebuild.
1645
1646         * mremap.c: New file.
1647         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
1648         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
1649         (mremap): Declare if HAVE_MREMAP is not defined.
1650         * configure, Makefile.in, config.in: Rebuild.
1651
1652 2009-03-27  Cary Coutant  <ccoutant@google.com>
1653
1654         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
1655         position independent.
1656         * sparc.cc (Target_sparc::check_non_pic): Likewise.
1657         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
1658
1659 2009-03-24  Cary Coutant  <ccoutant@google.com>
1660
1661         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
1662         an executable.
1663         (needs_dynamic_reloc): Likewise.
1664
1665 2009-03-24  Ian Lance Taylor  <iant@google.com>
1666
1667         * yyscript.y (file_cmd): Recognize EXTERN.
1668         (extern_name_list, extern_name_list_body): New nonterminals.
1669         * script.cc (script_add_extern): Define.
1670         * script-c.h (script_add_extern): Declare.
1671
1672 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
1673
1674         * object.cc (is_elf_object): Define.
1675         * object.h (is_elf_object): Declare.
1676         * archive.cc (Archive::get_elf_object_for_member): Call
1677         is_elf_object.
1678         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
1679
1680 2009-03-24  Elliott Hughes  <enh@google.com>
1681
1682         * output.cc (Output_file::map_anonymous): Define.
1683         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
1684         try an anonymous one.  Report the size if the mmap fails.
1685         * output.h (class Output_file): Declare map_anonymous.
1686
1687 2009-03-24  Ian Lance Taylor  <iant@google.com>
1688
1689         * target-select.cc (instantiate_target): Don't acquire the lock if
1690         the instantiated_target_ field has already been set.
1691
1692 2009-03-23  Ian Lance Taylor  <iant@google.com>
1693
1694         * gold-threads.h (class Initialize_lock): Define.
1695         * gold-threads.cc (class Initialize_lock_once): Define.
1696         (initialize_lock_control): New static variable.
1697         (initialize_lock_pointer): New static variable.
1698         (initialize_lock_once): New static function.
1699         (Initialize_lock::Initialize_lock): Define.
1700         (Initialize_lock::initialize): Define.
1701         * target-select.h: Include "gold-threads.h".
1702         (class Target_selector): Add lock_ and initialize_lock_ fields.
1703         Don't define instantiate_target, just declare it.
1704         * target-select.cc (Target_selector::Target_selector): Initialize
1705         new fields.
1706         (Target_selector::instantiate_target): Define.
1707         * descriptors.h: Include "gold-threads.h".
1708         (class Descriptors): Add initialize_lock_ field.
1709         * descriptors.cc (Descriptors::Descriptors): Initialize new
1710         field.
1711         (Descriptors::open): Use initialize_lock_ field
1712         * errors.h (class Errors): Add initialize_lock_ field.
1713         * errors.cc (Errors::Errors): Initialize new field.
1714         (Errors::initialize_lock): Use initialize_lock_ field.
1715         * powerpc.cc (class Target_selector_powerpc): Remove
1716         instantiated_target_ field.  In do_recognize call
1717         instantiate_target rather than do_instantiate_target.  In
1718         do_instantiate_target just allocate a new target.
1719         * sparc.cc (class Target_selector_sparc): Likewise.
1720
1721         * freebsd.h: New file.
1722         * i386.cc: Include "freebsd.h".
1723         (Target_i386): Derive from Target_freebsd rather than
1724         Sized_target.
1725         (Target_selector_i386): Derive from Target_selector_freebsd rather
1726         than Target_selector.
1727         * x86_64.cc: Include "freebsd.h".
1728         (Target_x86_64): Derive from Target_freebsd rather than
1729         Sized_target.
1730         (Target_selector_x86_64): Derive from Target_selector_freebsd
1731         rather than Target_selector.
1732         * target.h (class Target): Add adjust_elf_header and
1733         do_adjust_elf_header.
1734         * output.cc (Output_file_header:: do_sized_write): Call target
1735         adjust_elf_header routine.
1736         * configure.tgt: Set targ_osabi.
1737         * configure.ac: Define GOLD_DEFAULT_OSABI.
1738         * parameters.cc (Parameters::default_target): Pass
1739         GOLD_DEFAULT_OSABI to select_target.
1740         * target-select.h (class Target_selector): Make instantiate_target
1741         protected rather than private.
1742         * Makefile.am (HFILES): Add freebsd.h.
1743         * configure, Makefile.in, config.in: Rebuild.
1744
1745         * merge.cc (do_add_input_section): Correct pend value.  Change
1746         message about last entry not being null terminated from error to
1747         warning.
1748
1749 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
1750
1751         * incremental.cc: New file.
1752         * Makefile.am (CCFILES): Add incremental.cc.
1753         * Makefile.in: Rebuild.
1754
1755 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
1756
1757         * layout.cc (Layout::output_section_name): Preserve names
1758         of '.note.' sections.
1759         
1760 2009-03-19  Ian Lance Taylor  <iant@google.com>
1761
1762         * descriptors.cc (Descriptors::open): Check that the options are
1763         valid before using them.
1764
1765 2009-03-18  Ian Lance Taylor  <iant@google.com>
1766
1767         * script-sections.h: Include <list>.
1768         (class Script_sections): Change Sections_elements from std::vector
1769         to std::list.  Typedef public Elements_iterator.  Add
1770         orphan_section_placement_, data_segment_align_start_, and
1771         saw_data_segment_align_ fields.  Remove data_segment_align_index_
1772         field.
1773         * script-sections.cc (class Orphan_section_placement): New class.
1774         (class Sections_element): Add virtual functions is_relro and
1775         orphan_section_init.  Remove virtual function place_orphan_here.
1776         (class Output_section_definition): Add is_relro and
1777         orphan_section_init.  Remove place_orphan_here.
1778         (class Orphan_output_section): Likewise.
1779         (Script_sections::Script_sections): Update for field changes.
1780         (Script_sections::data_segment_align): Set saw_data_segment_align_
1781         and data_segment_align_start_, not data_segment_align_index.
1782         (Script_sections::data_segment_relro_end): Check
1783         saw_data_segment_align_.  Use data_segment_align_start_ rather
1784         than data_segment_align_index_.
1785         (Script_sections::place_orphan): Rewrite to use
1786         Orphan_section_placement.
1787
1788 2009-03-17  Ian Lance Taylor  <iant@google.com>
1789
1790         * archive.cc (Archive::add_symbols): Check for a version attached
1791         to the symbol name in the archive map.
1792         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
1793         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
1794         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
1795         (ver_test_11.a): New target.
1796         * testsuite/Makefile.in: Rebuild.
1797
1798         * configure.ac: Check for chsize and posix_fallocate.  Replace
1799         ftruncate.
1800         * ftruncate.c: New file, from gnulib.
1801         * output.cc (posix_fallocate): Define dummy version if not
1802         HAVE_POSIX_FALLOCATE.
1803         (Output_file::map): Call posix_fallocate rather than lseek and
1804         write.
1805         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
1806         * configure, Makefile.in, config.in: Rebuild.
1807
1808 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
1809         
1810         * layout.h (Layout::create_note): Add section_name parameter.
1811         * layout.cc (Layout::create_note): Likewise.
1812         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
1813         
1814 2009-03-17  Ian Lance Taylor  <iant@google.com>
1815
1816         * descriptors.cc: Include "options.h".
1817         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
1818         (Descriptors::open): Always use O_CLOEXEC when opening a new
1819         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
1820         then set FD_CLOEXEC.
1821
1822         * sparc.cc (class Target_sparc): Add has_got_section.
1823         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
1824         make sure we have a GOT section.
1825
1826         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
1827         (Target_sparc::Scan::local): Likewise.
1828         (Target_sparc::Scan::global): Likewise.
1829         (Target_sparc::Relocate::relocate): Likewise.
1830         (Target_sparc::Relocate::relocate_tls): Likewise.
1831
1832         * symtab.cc (Symbol_table::define_default_version): New function,
1833         broken out of add_from_object.
1834         (Symbol_table::add_from_object): Call define_default_version.
1835         (Symbol_table::define_special_symbol): Add resolve_oldsym
1836         parameter.  Change all callers.  If the version for a symbol comes
1837         from a version script, resolve it with the symbol with the same
1838         name with no version.  Also add the symbol without a version if
1839         appropriate.
1840         (do_define_in_output_data): If resolving with oldsym, don't delete
1841         sym.
1842         (do_define_in_output_segment): Likewise.
1843         (do_define_as_constant): Likewise.
1844         * symtab.h (class Symbol_table): Update declarations.
1845
1846 2009-03-13  Ian Lance Taylor  <iant@google.com>
1847
1848         * readsyms.cc (Read_symbols::incompatible_warning): New function.
1849         (Read_symbols::requeue): New function.
1850         (Read_symbols::do_read_symbols): If make_elf_object fails because
1851         the target type is not configured, and the file was searched for,
1852         issue a warning and retry with the next directory.
1853         (Add_symbols::run): If the file has an incompatible format, and
1854         it was searched for, requeue the Read_symbols task.  On error,
1855         release the object.
1856         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
1857         dirindex parameter to constructor.  Change all callers.  Declare
1858         incompatible_warning and requeue.
1859         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
1860         input_argument_ and input_group_ fields.  Add them to
1861         constructor.  Change all callers.
1862         (class Read_script): Add dirindex_ field.  Add it to constructor.
1863         Change all callers.
1864         * archive.cc (Archive::setup): Remove input_objects parameter.
1865         Change all callers.
1866         (Archive::get_file_and_offset): Likewise.
1867         (Archive::read_all_symbols): Likewise.
1868         (Archive::read_symbols): Likewise.
1869         (Archive::get_elf_object_for_member): Remove input_objects
1870         parameter.  Add punconfigured parameter.  Change all callers.
1871         (Archive::add_symbols): Change return type to bool.  Check return
1872         value of include_member.
1873         (Archive::include_all_members): Likewise.
1874         (Archive::include_member): Change return type to bool.  Return
1875         false if first included object has incompatible target.  Set
1876         included_member_ field.
1877         (Add_archive_symbols::run): If add_symbols returns false, requeue
1878         Read_symbols task.
1879         * archive.h (class Archive): Add included_member_ field.
1880         Initialize it in constructor.  Add input_file and searched_for
1881         methods.  Update declarations.
1882         (class Add_archive_symbols): Add dirpath_, dirindex_, and
1883         input_argument_ fields.  Add them to constructor.  Change all
1884         callers.
1885         * script.cc: Include "target-select.h".
1886         (class Parser_closure): Add skip_on_incompatible_target_ and
1887         found_incompatible_target_ fields.  Add
1888         skip_on_incompatible_target parameter to constructor.  Change all
1889         callers.  Add methods skip_on_incompatible_target,
1890         clear_skip_on_incompatible_target, found_incompatible_target, and
1891         set_found_incompatible_target.
1892         (read_input_script): Add dirindex parameter.  Change all callers.
1893         If parser finds an incompatible target, requeue Read_symbols
1894         task.
1895         (script_set_symbol): Clear skip_on_incompatible_target in
1896         closure.
1897         (script_add_assertion, script_parse_option): Likewise.
1898         (script_start_sections, script_add_phdr): Likewise.
1899         (script_check_output_format): New function.
1900         * script.h (read_input_script): Update declaration.
1901         * script-c.h (script_check_output_format): Declare.
1902         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
1903         (ignore_cmd): Remove OUTPUT_FORMAT.
1904         * fileread.cc (Input_file::Input_file): Add explicit this.
1905         (Input_file::will_search_for): New function.
1906         (Input_file::open): Add pindex parameter.  Change all callers.
1907         * fileread.h (class Input_file): Add input_file_argument method.
1908         Declare will_search_for.  Update declarations.
1909         * object.cc (make_elf_object): Add punconfigured parameter.
1910         Change all callers.
1911         * object.h (class Object): Make input_file public.  Add
1912         searched_for method.
1913         (make_elf_object): Update declaration.
1914         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
1915         restart search.
1916         * dirsearch.h (class Dirsearch): Update declaration.
1917         * options.h (class General_options): Add --warn-search-mismatch.
1918         * parameters.cc (Parameters::is_compatible_target): New function.
1919         * parameters.h (class Parameters): Declare is_compatible_target.
1920         * workqueue.cc (Workqueue::add_blocker): New function.
1921         * workqueue.h (class Workqueue): Declare add_blocker.
1922
1923         * fileread.cc (Input_file::open): Remove options parameter.
1924         Change all callers.
1925         (Input_file::open_binary): Likewise.
1926         * script.cc (read_input_script): Likewise.
1927         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
1928         options parameter from constructor.  Change all callers.
1929         (class Read_script): Likewise.
1930         * fileread.h (class Input_file): Update declarations.
1931         * script.h (read_input_script): Update declaration.
1932
1933 2009-03-10  Nick Clifton  <nickc@redhat.com>
1934
1935         * po/es.po: New Spanish translation.
1936
1937 2009-03-06  Cary Coutant  <ccoutant@google.com>
1938
1939         * options.cc (parse_short_option): Keep dash_z from registering itself.
1940
1941 2009-03-03  Ian Lance Taylor  <iant@google.com>
1942
1943         PR 9918
1944         * target-reloc.h (relocate_section): Pass output_section to
1945         relocate.
1946         * i386.cc (Target_i386::should_apply_static_reloc): Add
1947         output_section parameter.  Change all callers.
1948         (Target_i386::Relocate::relocate): Add output_section parameter.
1949         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
1950         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
1951         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
1952         * testsuite/two_file_shared.sh: New script.
1953         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
1954         (check_DATA): Add two_file_shared.dbg.
1955         (two_file_shared.dbg): New target.
1956         * testsuite/Makefile.in: Rebuild.
1957
1958 2009-03-01  Ian Lance Taylor  <iant@google.com>
1959
1960         * configure.ac: Check for byteswap.h.
1961         * configure: Rebuild.
1962         * config.in: Rebuild.
1963
1964 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
1965
1966         * layout.cc (Layout::find_or_add_kept_section): New function.
1967         (Layout::add_comdat): Removed.
1968         * layout.h (struct Kept_section): Move out of class Layout.
1969         Remove trailing underscores from field names.  Add group_sections
1970         field.  Rename group_ field to is_group.  Change all uses.
1971         (class Layout): Declare find_or_add_kept_section, not add_comdat.
1972         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
1973         comdat_groups_ field.
1974         (Sized_relobj::include_section_group): Use
1975         find_or_add_kept_section and Kept_section::group_sections.
1976         (Sized_relobj::include_linkonce_section): Likewise.
1977         * object.cc (class Sized_relobj): Don't define Comdat_group or
1978         Comdat_group_table.  Remove find_comdat_group and
1979         add_comdat_group.  Remove comdat_groups_ field.
1980         * plugin.cc (include_comdat_group): Use
1981         Layout::find_or_add_kept_section.
1982
1983 2009-02-28  Ian Lance Taylor  <iant@google.com>
1984
1985         * README: --gc-sections and map files are now supported.  Document
1986         some build requirements.
1987
1988         PR 6992
1989         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
1990         relocatable link set the value of the section symbol to zero.
1991         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
1992         relocatable link don't include the section address in the local
1993         symbol value.
1994
1995 2009-02-27  Ian Lance Taylor  <iant@google.com>
1996
1997         PR 6811
1998         * options.h (class Search_directory): Add is_system_directory.
1999         (class General_options): Declare is_in_system_directory.
2000         * options.cc (get_relative_sysroot): Make static.
2001         (get_default_sysroot): Make static.
2002         (General_optoins::is_in_system_directory): New function.
2003         * fileread.cc (Input_file::is_in_system_directory): New function.
2004         * fileread.h (class Input_file): Declare is_in_system_directory.
2005         * object.h (class Object): Add is_in_system_directory.
2006         (class Input_objects): Remove system_library_directory_ field.
2007         * object.cc (Input_objects::add_object): Don't set
2008         system_library_directory_.
2009         (input_objects::found_in_system_library_directory): Remove.
2010         * symtab.cc (Symbol_table::write_globals): Remove input_objects
2011         parameter.  Change all callers.
2012         (Symbol_table::sized_write_globals): Likewise.
2013         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
2014         Call Object::is_in_system_directory.
2015         * symtab.h (class Symbol_table): Update declarations.
2016
2017         PR 5990
2018         * descriptors.h (Open_descriptor): Add is_on_stack field.
2019         * descriptors.cc (Descriptors::open): If the descriptor is on the
2020         top of the stack, remove it.  Initialize is_on_stack field.
2021         (Descriptors::release): Only add pod to stack if it is not on the
2022         stack already.
2023         (Descriptors::close_some_descriptor): Clear stack_next and
2024         is_on_stack fields.
2025
2026         PR 7091
2027         * output.cc (Output_section::find_starting_output_address): Rename
2028         from starting_output_address; add PADDR parameter; change return
2029         type.
2030         * output.h (class Output_section): Declare
2031         find_starting_output_address instead of starting_output_address.
2032         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
2033         section symbol for which we can't find a merge section.
2034
2035         PR 9836
2036         * symtab.cc (Symbol_table::add_from_object): If the visibility is
2037         hidden or internal, force the symbol to be local.
2038         * resolve.cc (Symbol::override_visibility): Define.
2039         (Symbol::override_base): Use override_visibility.
2040         (Symbol_table::resolve): Likewise.
2041         (Symbol::override_base_with_special): Likewise.
2042         (Symbol_table::override_with_special): If the visibility is hidden
2043         or internal, force the symbol to be local.
2044         * symtab.h (class Symbol): Add set_visibility and
2045         override_visibility.
2046         * testsuite/ver_test_1.sh: New file.
2047         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
2048         (check_DATA): Add ver_test_1.syms.
2049         (ver_test_1.syms): New target.
2050         * testsuite/Makefile.in: Rebuild.
2051
2052 2009-02-25  Cary Coutant  <ccoutant@google.com>
2053
2054         * layout.cc (Layout::choose_output_section): Don't rename sections
2055         when using a linker script that has a SECTIONS clause.
2056         * Makefile.in: Regenerate.
2057
2058         * testsuite/Makefile.am (script_test_5.sh): New test case.
2059         * testsuite/Makefile.in: Regenerate.
2060         * testsuite/script_test_5.cc: New file.
2061         * testsuite/script_test_5.sh: New file.
2062         * testsuite/script_test_5.t: New file.
2063
2064 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
2065
2066         * archive.cc (Archive::include_member): Update calls to add_symbols.
2067         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
2068         the Layout argument.
2069         * dynobj.h (do_add_symbols): Add the Layout argument.
2070         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
2071         Layout argument.
2072         * object.h (Object::add_symbols): Add the Layout argument.
2073         (Object::do_add_symbols): Add the Layout argument.
2074         (Sized_relobj::do_add_symbols): Add the Layout argument.
2075         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
2076         Unify the two versions.
2077         (Add_plugin_symbols): Remove.
2078         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
2079         (Sized_pluginobj::do_add_symbols): Unify the two versions.
2080         (Add_plugin_symbols): Remove.
2081         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
2082         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
2083         (Add_symbols::run): Make it work with Pulginobj.
2084
2085 2009-02-06  Ian Lance Taylor  <iant@google.com>
2086
2087         * object.cc (Sized_relobj::do_layout): Make info message start
2088         with lower case letter.
2089
2090 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
2091
2092         * binary.cc: Fix file comment.
2093
2094         * options.h (enum Incremental_disposition): Define.
2095         (class General_options): Add new options: --incremental,
2096         --incremental_changed, --incremental_unchanged,
2097         --incremental_unknown.  Add incremental_disposition_ and
2098         implicit_incremental_ fields.
2099         (General_options::incremental_disposition): New function.
2100         (class Position_dependent_options): Add incremental_disposition
2101         option.
2102         (Position_dependent_options::copy_from_options): Set incremental
2103         dispositions.
2104         * options.cc (General_options::parse_incremental_changed): New
2105         function.
2106         (General_options::parse_incremental_unchanged): New function.
2107         (General_options::parse_incremental_unknown): New function.
2108         (General_options::General_options): Initialize new fields
2109         incremental_disposition_ and implicit_incremental_.
2110         (General_options::finalize): Check for uasge of --incremental-*
2111         without --incremental.
2112
2113 2009-02-06  Chris Demetriou  <cgd@google.com>
2114
2115         * gold.h (gold_undefined_symbol): Change to take only a Symbol
2116         pointer and to report location as the file name associated with
2117         the symbol.
2118         (gold_undefined_symbol_at_location): New function to replace the
2119         old gold_undefined_symbol functionality.
2120         * target-reloc.h (relocate_section): Update to use
2121         gold_undefined_symbol_at_location.
2122         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
2123         Call gold_undefined_symbol function rather than gold_error.
2124         * errors.h (Errors::undefined_symbol): Take location as a
2125         string, rather than calculating it from a relocation.
2126         * errors.cc (Errors::fatal): Print "fatal error:" before the
2127         formatted message.
2128         (Errors::error, Errors::error_at_location): Print "error: "
2129         before the formatted message.
2130         (Errors::undefined_symbol): Take location as a string, rather
2131         than calculating it from a relocation.
2132         (gold_undefined_symbol_at_location): New function akin to
2133         old gold_undefined_symbol, calculates location from relocation.
2134         (gold_undefined_symbol): Change to take only a Symbol pointer
2135         and to report location as the file name associated with the symbol.
2136         * testsuite/debug_msg.sh: Update for changed error messages.
2137         * testsuite/undef_symbol.sh: Likewise.
2138
2139 2009-02-04  Duncan Sands  <baldrick@free.fr>
2140
2141         PR 9812
2142         * reduced_debug_output.h
2143         (Output_reduced_debug_abbrev_section::failed): Use format for
2144         gold_warning.
2145         (Output_reduced_debug_info_section::faild): Likewise.
2146
2147 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
2148
2149         * script.cc (Lazy_demangler): New class.
2150         (Version_script_info::get_symbol_version_helper): Demangle a
2151         symbol only once.
2152
2153 2009-01-29  Cary Coutant  <ccoutant@google.com>
2154
2155         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
2156         to __tls_get_addr.
2157         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
2158
2159 2009-01-28  Ian Lance Taylor  <iant@google.com>
2160
2161         * version.cc (version_string): Bump to 1.9.
2162
2163         * gold.h: Include <cstring> and <stdint.h>.
2164         * version.cc: Include <cstdio>.
2165         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
2166         warning.
2167         * reduced_debug_output.cc (insert_into_vector): Rename from
2168         Insert_into_vector; change all callers.  Use Swap_unaligned to
2169         avoid aliasing issue; remove union since it is unnecessary.
2170
2171 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
2172
2173         * Makefile.am (CCFILES): Add gc.cc.
2174         (HFILES): Add gc.h.
2175         * Makefile.in: Regenerate.
2176         * gold.cc (Gc_runner): New class.
2177         (queue_initial_tasks): Call garbage collection related tasks
2178         when corresponding options are invoked.
2179         (queue_middle_gc_tasks): New function.
2180         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
2181         processed early before laying out sections during garbage collection.
2182         * gold.h (queue_middle_gc_tasks): New function.
2183         (is_prefix_of): Move from "layout.cc".
2184         * i386.cc (Target_i386::gc_process_relocs): New function.
2185         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
2186         * main.cc (main): Create object of class "Garbage_collection".
2187         * object.cc (Relobj::copy_symbols_data): New function.
2188         (Relobj::is_section_name_included): New function.
2189         (Sized_relobj::do_layout): Allow this function to be called twice 
2190         during garbage collection and defer layout of section during the 
2191         first call.
2192         * object.h (Relobj::get_symbols_data): New function.
2193         (Relobj::is_section_name_included): New function.
2194         (Relobj::copy_symbols_data): New function.
2195         (Relobj::set_symbols_data): New function.
2196         (Relobj::get_relocs_data): New function.
2197         (Relobj::set_relocs_data): New function.
2198         (Relobj::is_output_section_offset_invalid): New pure virtual function.
2199         (Relobj::gc_process_relocs): New function.
2200         (Relobj::do_gc_process_relocs): New pure virtual function.
2201         (Relobj::sd_): New data member.
2202         (Sized_relobj::is_output_section_offset_invalid): New function.
2203         (Sized_relobj::do_gc_process_relocs): New function.
2204         * options.h (General_options::gc_sections): Modify to not be a no-op.
2205         (General_options::print_gc_sections): New option.
2206         * plugin.cc (Plugin_finish::run): Remove function call to
2207         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
2208         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
2209         * reloc.cc (Read_relocs::run): Add task to process relocs and
2210         determine unreferenced sections when doing garbage collection.
2211         (Gc_process_relocs): New class.
2212         (Sized_relobj::do_gc_process_relocs): New function.
2213         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
2214         sections that are garbage collected.
2215         * reloc.h (Gc_process_relocs): New class.
2216         * sparc.cc (Target_sparc::gc_process_relocs): New function.
2217         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
2218         symbols whose corresponding sections are garbage collected.
2219         (Symbol_table::Symbol_table): Add new parameter for the garbage
2220         collection object.
2221         (Symbol_table::gc_mark_undef_symbols): New function.
2222         (Symbol_table::gc_mark_symbol_for_shlib): New function.
2223         (Symbol_table::gc_mark_dyn_syms): New function.
2224         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
2225         as garbage.
2226         (Symbol_table::add_from_object): Likewise.
2227         (Symbol_table::add_from_relobj): When building shared objects, do not
2228         treat externally visible symbols as garbage.
2229         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
2230         table information for static and relocatable links.
2231         * symtab.h (Symbol_table::set_gc): New function.
2232         (Symbol_table::gc): New function.
2233         (Symbol_table::gc_mark_undef_symbols): New function.
2234         (Symbol_table::gc_mark_symbol_for_shlib): New function.
2235         (Symbol_table::gc_mark_dyn_syms): New function.
2236         (Symbol_table::gc_): New data member.
2237         * target.h (Sized_target::gc_process_relocs): New pure virtual 
2238         function.
2239         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
2240         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
2241
2242 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
2243
2244         * options.h (General_options::gc_sections): Define as a no-op for now.
2245         (General_options::no_keep_memory): Ditto.
2246         (General_options::Bshareable): Define.
2247         * options.cc (General_options::finalize): Honor -Bshareable.
2248
2249 2009-01-20  Andreas Schwab  <schwab@suse.de>
2250
2251         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
2252         read the value in the contents, since we don't use it.  Use the
2253         template endianness when writing.
2254         (Relocate::relocate): Use it for R_PPC_REL16_HA.
2255
2256 2009-01-19  Andreas Schwab  <schwab@suse.de>
2257
2258         * configure.tgt (powerpc64-*): Fix targ_obj.
2259
2260 2009-01-15  Ian Lance Taylor  <iant@google.com>
2261
2262         * object.cc (Sized_relobj::write_local_symbols): Don't write out
2263         local symbols when stripping all symbols.
2264
2265 2009-01-14  Cary Coutant  <ccoutant@google.com>
2266
2267         * output.cc (Output_reloc): Add explicit instantiations.
2268
2269 2009-01-14  Cary Coutant  <ccoutant@google.com>
2270
2271         * archive.cc (Archive::get_elf_object_for_member): Remove call
2272         to File_read::claim_for_plugin.
2273         * descriptors.cc (Descriptors::open): Remove reference to
2274         is_claimed.
2275         (Descriptors::claim_for_plugin): Remove.
2276         * descriptors.h (Descriptors::claim_for_plugin): Remove.
2277         (Descriptors::is_claimed): Remove.
2278         (claim_descriptor_for_plugin): Remove.
2279         * fileread.cc (File_read::claim_for_plugin): Remove.
2280         * fileread.h (File_read::claim_for_plugin): Remove.
2281         (File_read::descriptor): Reopen descriptor if necessary.
2282         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
2283         (Plugin_manager::all_symbols_read): Add task parameter. Change
2284         all callers.
2285         (Plugin_manager::get_input_file): New function.
2286         (Plugin_manager::release_input_file): New function.
2287         (Pluginobj::Pluginobj): Add filesize parameter and initialize
2288         corresponding data member.
2289         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
2290         and pass to base constructor. Change all callers.
2291         (get_input_file, release_input_file): New functions.
2292         (make_sized_plugin_object): Add filesize parameter. Change all callers.
2293         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
2294         (Plugin_manager::all_symbols_read): Add task parameter.
2295         (Plugin_manager::get_input_file): New function.
2296         (Plugin_manager::release_input_file): New function.
2297         (Plugin_manager::task_): New data member.
2298         (Pluginobj::Pluginobj): Add filesize parameter.
2299         (Pluginobj::filename): New function.
2300         (Pluginobj::descriptor): New function.
2301         (Pluginobj::filesize): New function.
2302         (Pluginobj::filesize_): New data member.
2303         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
2304         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
2305         File_read::claim_for_plugin; use Object::unlock to unlock the file.
2306
2307         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
2308         with archive libraries.
2309         * testsuite/Makefile.in: Regenerate.
2310         * testsuite/plugin_test.c (struct sym_info): New type.
2311         (get_input_file, release_input_file): New static variables.
2312         (onload): Capture new transfer vector entries.
2313         (claim_file_hook): Stop reading at end of file according to filesize.
2314         Factor out parsing of readelf output into separate function.
2315         (all_symbols_read_hook): Exercise get_input_file and release_input_file
2316         APIs and get the source file name from the symbol table.  Convert
2317         source file name to corresponding object file name.  Print info
2318         message when adding new input files.
2319         (parse_readelf_line): New function.
2320         * testsuite/plugin_test_1.sh: Add checks for new info messages.
2321         * testsuite/plugin_test_2.sh: Likewise.
2322         * testsuite/plugin_test_3.sh: Likewise.
2323         * testsuite/plugin_test_4.sh: New test case.
2324
2325 2009-01-07  Ian Lance Taylor  <iant@google.com>
2326
2327         * version.cc (version_string): Bump to 1.8.
2328
2329 2008-12-23  Cary Coutant  <ccoutant@google.com>
2330
2331         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
2332         * plugin.cc (Plugin_manager::finish): Rename as
2333         layout_deferred_objects.  Move cleanup to separate function.
2334         (Plugin_manager::cleanup): New function.
2335         (Plugin_finish::run): Call layout_deferred_objects and cleanup
2336         separately.
2337         * plugin.h (Plugin_manager::finish): Rename as
2338         layout_deferred_objects.
2339         (Plugin_manager::cleanup): New function.
2340         (Plugin_manager::cleanup_done): New field.
2341
2342 2008-12-23  Cary Coutant  <ccoutant@google.com>
2343
2344         * plugin.cc (is_visible_from_outside): New function.
2345         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
2346         so we don't return "IR only" status for exported symbols or -r links.
2347
2348         * testsuite/Makefile.am (plugin_test_3): New test case.
2349         * testsuite/Makefile.in: Regenerate.
2350         * testsuite/plugin_test_3.sh: New file.
2351
2352 2008-12-22  Cary Coutant  <ccoutant@google.com>
2353
2354         * object.cc (Sized_relobj::layout_section): New function.
2355         (Sized_relobj::do_layout): Defer layout of input sections until after
2356         plugin has provided replacement files.
2357         (Sized_relobj::do_layout_deferred_sections): New function.
2358         * object.h (Relobj::set_section_offset): Remove virtual keyword.
2359         (Relobj::layout_deferred_sections): New function.
2360         (Relobj::do_layout_deferred_sections): New function.
2361         (Sized_relobj::do_layout_deferred_sections): New function.
2362         (Sized_relobj::layout_section): New function.
2363         (Sized_relobj::Deferred_layout): New structure.
2364         (Sized_relobj::deferred_layout_): New field.
2365         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
2366         Change all callers.  Layout deferred sections.
2367         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
2368         references.
2369         (Plugin_hook::run): Move code from do_plugin_hook inline.
2370         (Plugin_hook::do_plugin_hook): Remove.
2371         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
2372         (Plugin_manager::finish): Renamed, was cleanup.
2373         (Plugin_manager::should_defer_layout): New function.
2374         (Plugin_manager::add_deferred_layout_object): New function.
2375         (Plugin_manager::Deferred_layout_list): New type.
2376         (Plugin_manager::deferred_layout_objects_): New field.
2377         (Plugin_hook::do_plugin_hook): Remove.
2378
2379 2008-12-17  Ian Lance Taylor  <iant@google.com>
2380
2381         * options.h (class General_options): Add --no case for
2382         --export-dynamic.
2383
2384 2008-12-16  Cary Coutant  <ccoutant@google.com>
2385
2386         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
2387         vector.
2388         (Plugin_manager::claim_file): Create plugin object even if
2389         plugin did not call the add_symbols callback.
2390         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
2391         asking for more symbols than were added.
2392         * testsuite/Makefile.am (plugin_test_1): Add test case with
2393         no global symbols.
2394         (empty.syms): New target.
2395         * testsuite/Makefile.in: Regenerate.
2396         * testsuite/plugin_test.c (claim_file_hook): Add new debug
2397         message. Don't call add_symbols if no globals.
2398         (all_symbols_read_hook): Don't provide replacement for empty
2399         claimed file.
2400
2401 2008-12-12  Ian Lance Taylor  <iant@google.com>
2402
2403         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
2404         r_type == 0 for a local symbol with r_sym == 0.
2405         (scan_relocatable_relocs): Pass r_sym to
2406         local_non_section_strategy.
2407         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
2408         r_sym parameter.
2409
2410         * configure.ac: Update test for TLS descriptors: they are
2411         supported as of glibc 2.9.
2412         * configure: Rebuild.
2413
2414 2008-12-11  Ian Lance Taylor  <iant@google.com>
2415
2416         PR 7091
2417         * target-reloc.h (Default_scan_relocatable_relocs): For each
2418         function, map r_type == 0 to RELOC_DISCARD.
2419
2420 2008-12-10  Cary Coutant  <ccoutant@google.com>
2421
2422         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
2423         object to override a kept COMDAT group from a plugin object.
2424
2425 2008-12-09  Ian Lance Taylor  <iant@google.com>
2426
2427         PR 7088
2428         * yyscript.y (file_cmd): Handle INPUT.
2429
2430         * testsuite/initpri1.c: Change all declarations to be full
2431         prototypes by adding void, to avoid compiler warnings.
2432
2433 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
2434
2435         * options.cc (General_options::parse_plugin_opt): New.
2436         (General_options::add_plugin): The argument now is just the filename.
2437         (General_options::add_plugin_option): New.
2438         * options.h (plugin_opt): New.
2439         (add_plugin): Change argument name.
2440         (add_plugin_option): New.
2441         * plugin.cc (Plugin::load): Don't parse the plugin option.
2442         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
2443         (Plugin::add_option): New.
2444         (Plugin::args_): Change type.
2445         (Plugin::filename_): New.
2446         (Plugin_manager::add_plugin_option): New.
2447         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
2448         * testsuite/Makefile.in: Regenerate.
2449
2450 2008-12-05  Cary Coutant  <ccoutant@google.com>
2451
2452         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
2453         Handle --strip-lto-sections option.
2454         * options.h (strip_lto_sections): New option.
2455
2456 2008-12-01  Cary Coutant  <ccoutant@google.com>
2457
2458         * plugin.cc (ld_plugin_message): Change format parameter to const.
2459         Fix mismatch between new[] and delete.
2460
2461 2008-11-14  Cary Coutant  <ccoutant@google.com>
2462
2463         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
2464         instead of -1U.
2465
2466 2008-11-05  Craig Silverstein  <csilvers@google.com>
2467
2468         * options.cc (General_options::parse_dynamic_list): New function.
2469         * options.h (General_options): New flags dynamic_list,
2470         dynamic_list_data, dynamic_list_cpp_new, and
2471         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
2472         (General_options::in_dynamic_list): New function.
2473         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
2474         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
2475         (Lex::can_continue_name): Likewise.
2476         (yylex): Likewise.
2477         (read_script_file): New parameter script_options.
2478         (read_dynamic_list): New function.
2479         (Script_options::define_dynamic_list): New function.
2480         (dynamic_list_keyword_parsecodes): New variable.
2481         (dynamic_list_keywords): New variable.
2482         * script.h (Script_options::define_dynamic_list): New function
2483         prototype.
2484         (read_dynamic_list): New function prototype.
2485         * symtab.cc (strprefix): New macro.
2486         (Symbol::should_add_dynsym_entry): Support dynamic_list,
2487         dynamic_list_data, dynamic_list_cpp_new, and
2488         dynamic_list_cpp_typeinfo.
2489         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
2490         (dynamic_list_expr): New rule.
2491         (dynamic_list_nodes): Likewise.
2492         (dynamic_list_node): Likewise.
2493         * testsuite/Makefile.am (dynamic_list): New test.
2494         * testsuite/Makefile.in: Regenerated.
2495         * testsuite/dynamic_list.t: New file.
2496         * testsuite/dynamic_list.sh: New file.
2497
2498 2008-11-05  Craig Silverstein  <csilvers@google.com>
2499
2500         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
2501         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
2502         (t11_last): Likewise.
2503         * testsuite/ver_test_6.c (main): Likewise.
2504
2505 2008-10-07  Cary Coutant  <ccoutant@google.com>
2506
2507         * options.c (General_options::finalize): Add check for -static and
2508         -shared.
2509         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
2510         is not empty.
2511
2512 2008-10-02  Cary Coutant  <ccoutant@google.com>
2513
2514         * plugin.cc (make_sized_plugin_object): Fix conditional
2515         compilation to work when not all targets are enabled.
2516
2517 2008-09-29  Cary Coutant  <ccoutant@google.com>
2518
2519         * archive.cc (Archive::get_file_and_offset): Use filename instead
2520         of name to get library path.
2521         (Archive::include_member): Unlock external member of a thin archive.
2522
2523         * testsuite/Makefile.am (TEST_AR): New variable.
2524         (thin_archive_test_1): New test.
2525         (thin_archive_test_2): New test.
2526         * testsuite/Makefile.in: Regenerate.
2527         * testsuite/thin_archive_main.cc: New file.
2528         * testsuite/thin_archive_test_1.cc: New file.
2529         * testsuite/thin_archive_test_2.cc: New file.
2530         * testsuite/thin_archive_test_3.cc: New file.
2531         * testsuite/thin_archive_test_4.cc: New file.
2532
2533 2008-09-29  Cary Coutant  <ccoutant@google.com>
2534
2535         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
2536         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
2537         instead of -1U.
2538         (Sized_relobj::do_finalize_local_symbols): Likewise.
2539         (Sized_relobj::map_to_kept_section): Likewise.
2540         * object.h (Sized_relobj::invalid_address): New constant.
2541         (Sized_relobj::do_output_section_offset): Check for invalid_address
2542         and return -1ULL.
2543         * output.cc (Output_reloc::local_section_offset): Use constant
2544         invalid_address instead of -1U.
2545         (Output_reloc::get_address): Likewise.
2546         (Output_section::output_address): Change -1U to -1ULL.
2547         * output.h (Output_reloc::invalid_address): New constant.
2548         * reloc.cc (Sized_relobj::write_sections): Use constant
2549         invalid_address instead of -1U.
2550         (Sized_relobj::relocate_sections): Likewise.
2551         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
2552         values for merge sections.
2553         * target-reloc.h (relocate_for_relocatable): Use constant
2554         invalid_address instead of -1U.
2555
2556 2008-09-19  Cary Coutant  <ccoutant@google.com>
2557
2558         Add plugin functionality for link-time optimization (LTO).
2559         * configure.ac (plugins): Add --enable-plugins option.
2560         * configure: Regenerate.
2561         * config.in: Regenerate.
2562         * Makefile.am (LIBDL): New variable.
2563         (CCFILES): Add plugin.cc.
2564         (HFILES): Add plugin.h.
2565         (ldadd_var): Add LIBDL.
2566         * Makefile.in: Regenerate.
2567
2568         * archive.cc: Include "plugin.h".
2569         (Archive::setup): Don't preread archive symbols when using a plugin.
2570         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
2571         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
2572         files.
2573         (Archive::include_member): Add symbols from plugin objects.
2574         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
2575         * descriptors.cc (Descriptors::open): Check for file descriptors
2576         abandoned by plugins.
2577         (Descriptors::claim_for_plugin): New function.
2578         * descriptors.h (Descriptors::claim_for_plugin): New function.
2579         (Open_descriptor::is_claimed): New field.
2580         (claim_descriptor_for_plugin): New function.
2581         * fileread.cc (File_read::claim_for_plugin): New function.
2582         * fileread.h (File_read::claim_for_plugin): New function.
2583         (File_read::descriptor): New function.
2584         * gold.cc: Include "plugin.h".
2585         (queue_initial_tasks): Add task to call plugin hooks for generating
2586         new object files.
2587         * main.cc: Include "plugin.h".
2588         (main): Load plugin libraries.
2589         * object.h (Pluginobj): Declare.
2590         (Object::pluginobj): New function.
2591         (Object::do_pluginobj): New function.
2592         (Object::set_target): New function.
2593         * options.cc: Include "plugin.h".
2594         (General_options::parse_plugin): New function.
2595         (General_options::General_options): Initialize plugins_ field.
2596         (General_options::add_plugin): New function.
2597         * options.h (Plugin_manager): Declare.
2598         (General_options): Add --plugin option.
2599         (General_options::has_plugins): New function.
2600         (General_options::plugins): New function.
2601         (General_options::add_plugin): New function.
2602         (General_options::plugins_): New field.
2603         * plugin.cc: New file.
2604         * plugin.h: New file.
2605         * readsyms.cc: Include "plugin.h".
2606         (Read_symbols::do_read_symbols): Check for archive before checking
2607         for ELF file.  Call plugin hooks to claim files.
2608         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
2609         from a real object file; force override when processing replacement
2610         files.
2611         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
2612         (Symbol::init_base_object): Likewise.
2613         (Symbol::init_base_output_data): Likewise.
2614         (Symbol::init_base_output_segment): Likewise.
2615         (Symbol::init_base_constant): Likewise.
2616         (Symbol::init_base_undefined): Likewise.
2617         (Symbol::output_section): Assert that object is not a plugin.
2618         (Symbol_table::add_from_pluginobj): New function.
2619         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
2620         undefined.
2621         (Symbol_table::sized_write_globals): Likewise.
2622         (Symbol_table::add_from_pluginobj): Instantiate template.
2623         * symtab.h (Sized_pluginobj): Declare.
2624         (Symbol::in_real_elf): New function.
2625         (Symbol::set_in_real_elf): New function.
2626         (Symbol::in_real_elf_): New field.
2627         (Symbol_table::add_from_pluginobj): New function.
2628
2629         * testsuite/Makefile.am (AM_CFLAGS): New variable.
2630         (LIBDL): New variable.
2631         (LDADD): Add LIBDL.
2632         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
2633         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
2634         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
2635         (MOSTLYCLEANFILES): Likewise.
2636         * testsuite/Makefile.in: Regenerate.
2637         * testsuite/plugin_test.c: New file.
2638         * testsuite/plugin_test_1.sh: New file.
2639         * testsuite/plugin_test_2.sh: New file.
2640
2641 2008-09-16  Ian Lance Taylor  <iant@google.com>
2642
2643         * target-reloc.h (relocate_section): Check whether a symbol is
2644         defined by the ABI before reporting an undefined symbol error.
2645         * target.h (Target::is_defined_by_abi): Make parameter const.
2646         (Target::do_is_defined_by_abi): Likewise.
2647         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
2648         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
2649         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
2650         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
2651         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
2652         * testsuite/Makefile.in: Rebuild.
2653
2654         * fileread.cc (make_view): Add casts to avoid warning.
2655
2656 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
2657
2658         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
2659         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
2660
2661 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
2662
2663         * options.h (General_options::output_is_executable): New.
2664         (General_options::output_is_pie): New.
2665         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
2666         for shared libraries.
2667         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
2668
2669 2008-09-11  Chris Demetriou  <cgd@google.com>
2670
2671         * options.h (origin): New -z option.
2672         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
2673         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
2674         in DT_FLAGS_1.
2675
2676 2008-09-05  Cary Coutant  <ccoutant@google.com>
2677
2678         * fileread.cc (File_read::make_view): Add check for attempt to map
2679         beyond end of file.
2680
2681 2008-09-05  Cary Coutant  <ccoutant@google.com>
2682
2683         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
2684         explicit instantiations.
2685
2686 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
2687
2688         PR gold/6858
2689         * options.cc (General_options::finalize): Allow undefined symbols
2690         in shlibs if linking -shared.
2691
2692         PR gold/6859
2693         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
2694         symbols as not needing a dynsym entry.
2695
2696 2008-08-20  Craig Silverstein  <csilvers@google.com>
2697
2698         * fileread.cc (File_read::open): Do not lock the file unless it
2699         was successfully opened.
2700
2701 2008-08-14  Cary Coutant  <ccoutant@google.com>
2702
2703         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
2704         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
2705         * testsuite/tls_test.cc (struct int128): 128-bit struct
2706         for testing TLS relocs with non-zero addend.
2707         (v12): New TLS variable.
2708         (t12): New test.
2709         (t_last): Add check for v12.
2710         * testsuite/tls_test.h (t12): New function.
2711         * testsuite/tls_test_main.cc (thread_routine): Call new test.
2712
2713 2008-08-13  Ian Lance Taylor  <iant@google.com>
2714
2715         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
2716         set tls_segment_ or relro_segment_.
2717         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
2718         when appropriate.
2719         * output.h (Output_section::clear_is_relro): New function.
2720         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
2721         sections specially even when output_data_ is empty.
2722         (Output_segment::maximum_alignment): When first section is relro,
2723         only force alignment for PT_LOAD segments.
2724         * script.cc (script_data_segment_align): New function.
2725         (script_data_segment_relro_end): New function.
2726         * script-c.h (script_data_segment_align): Declare.
2727         (script_data_segment_relro_end): Declare.
2728         * script-sections.h (class Script_sections): Declare
2729         data_segment_align and data_segment_relro_end.  Add fields
2730         segment_align_index_ and saw_relro_end_.
2731         * script-sections.cc (class Sections_element): Add set_is_relro
2732         virtual function.  Add new bool* parameter to place_orphan_here.
2733         Add get_output_section virtual function.
2734         (class Output_section_definition): Add set_is_relro.  Add new
2735         bool* parameter to place_orphan_here.  Add get_output_section.
2736         Add is_relro_ field.
2737         (Output_section_definition::Output_section_definition): Initialize
2738         evaluated_address_, evaluated_load_address, evaluated_addralign_,
2739         and is_relro_ fields.
2740         (Output_section_definition::place_orphan_here): Add is_relro
2741         parameter.
2742         (Output_section_definition::set_section_addresses): Set relro for
2743         output section.
2744         (Output_section_definition::alternate_constraint): Likewise.
2745         (class Orphan_output_section): Add new bool* parameter to
2746         place_orphan_here.  Add get_output_section.
2747         (Orphan_output_section::place_orphan_here): Add is_relro
2748         parameter.
2749         (Script_sections::Script_sections): Initialize
2750         data_segment_align_index_ and saw_relro_end_.
2751         (Script_sections::data_segment_align): New function.
2752         (Script_sections::data_segment_relro_end): New function.
2753         (Script_sections::place_orphan): Set or clear is_relro.
2754         (Script_sections::set_section_addresses): Force alignment of first
2755         TLS section.
2756         * yyscript.y (exp): Call script_data_segment_align and
2757         script_data_segment_relro_end.
2758         * testsuite/relro_script_test.t: New file.
2759         * testsuite/relro_test.cc (using_script): Declare.
2760         (t1, t2): Test using_script.
2761         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
2762         (relro_script_test_SOURCES): Define.
2763         (relro_script_test_DEPENDENCIES): Define.
2764         (relro_script_test_LDFLAGS): Define.
2765         (relro_script_test_LDADD): Define.
2766         (relro_script_test.so): New target.
2767         * testsuite/Makefile.in: Rebuild.
2768
2769 2008-08-06  Cary Coutant <ccoutant@google.com>
2770
2771         * archive.cc (Archive::total_archives, Archive::total_members)
2772         (Archive::total_members_loaded): New variables.
2773         (Archive::setup): Add parameter.  Add option to preread
2774         archive symbols.
2775         (Archive::read_armap): Add counter.
2776         (Archive::get_file_and_offset): New function.
2777         (Archive::get_elf_object_for_member): New function.
2778         (Archive::read_all_symbols): New function.
2779         (Archive::read_symbols): New function.
2780         (Archive::add_symbols): Add counters.
2781         (Archive::include_all_members): Use armap to find members if it's
2782         already built.
2783         (Archive::include_member): Skip reading symbols if already read.
2784         Factored code into Archive::get_file_and_offset and
2785         Archive::get_elf_object_for_member.  Changed call to
2786         Mapfile::report_include_archive_member.
2787         (Archive::print_stats): New function.
2788         * archive.h: Declare Object and Read_symbols_data classes.
2789         (Archive::Archive): Add initializers for new members.
2790         (Archive::setup): Add parameter.
2791         (Archive::print_stats): New function.
2792         (Archive::total_archives, Archive::total_members)
2793         (Archive::total_members_loaded): New variables.
2794         (Archive::get_file_and_offset): New function.
2795         (Archive::get_elf_object_for_member): New function.
2796         (Archive::read_all_symbols): New function.
2797         (Archive::read_symbols): New function.
2798         (Archive::Archive_member): New class.
2799         (Archive::members_): New member.
2800         (Archive::num_members_): New member.
2801         * main.cc: Include archive.h.
2802         (main): Call Archive::print_stats.
2803         * mapfile.cc (Mapfile::report_include_archive_member): Delete
2804         archive parameter; member_name is now the fully-decorated name.
2805         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
2806         * options.h: (General_options): Add --preread-archive-symbols option.
2807         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
2808         Archive::setup.
2809
2810 2008-08-04  Ian Lance Taylor  <iant@google.com>
2811
2812         * symtab.h (Symbol::use_plt_offset): New function.
2813         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
2814         * powerpc.cc (Relocate::relocate): Likewise.
2815         * sparc.cc (Relocate::relocate): Likewise.
2816         * x86_64.cc (Relocate::relocate): Likewise.
2817         * testsuite/weak_plt.sh: New test.
2818         * testsuite/weak_plt_main.cc: New test.
2819         * testsuite/weak_plt_shared.cc: New test.
2820         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
2821         (check_PROGRAMS): Add weak_plt.
2822         (check_DATA): Add weak_plt_shared.so.
2823         (weak_plt_main_pic.o, weak_plt): New targets.
2824         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
2825         * testsuite/Makefile.in: Rebuild.
2826
2827         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
2828         gcctestdir/ld.
2829         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
2830         * testsuite/Makefile.in: Rebuild.
2831
2832 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
2833
2834         * Makefile.am (POTFILES.in): Set LC_ALL=C.
2835         * Makefile.in: Regenerate.
2836         * po/POTFILES.in: Regenerate.
2837
2838 2008-07-29  Ian Lance Taylor  <iant@google.com>
2839
2840         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
2841         symbols before other symbols.
2842         * testsuite/script_test_2.cc (test_addr): Declare.
2843         (test_addr_alias): Declare.
2844         (main): Check that test_addr and test_addr_alias have the right
2845         values.
2846         * testsuite/script_test_2.t: Define test_addr_alias and
2847         test_addr.
2848
2849 2008-07-24  Ian Lance Taylor  <iant@google.com>
2850
2851         PR 5990
2852         * descriptors.cc: New file.
2853         * descriptors.h: New file.
2854         * gold-threads.h (class Hold_optional_lock): New class.
2855         * fileread.cc: Include "descriptors.h".
2856         (File_read::~File_read): Release descriptor rather than closing
2857         it.
2858         (File_read::open) [file]: Call open_descriptor rather than open.
2859         Set is_descriptor_opened_.
2860         (File_read::open) [memory]: Assert that descriptor is not open.
2861         (File_read::reopen_descriptor): New function.
2862         (File_read::release): Release descriptor.
2863         (File_read::do_read): Make non-const.  Reopen descriptor.
2864         (File_read::read): Make non-const.
2865         (File_read::make_view): Reopen descriptor.
2866         (File_read::do_readv): Likewise.
2867         * fileread.h (class File_read): Add is_descriptor_opened_ field.
2868         Update declarations.
2869         * layout.cc: Include "descriptors.h".
2870         (Layout::create_build_id): Use open_descriptor rather than open.
2871         * output.cc: Include "descriptors.h".
2872         (Output_file::open): Use open_descriptor rather than open.
2873         * archive.cc (Archive::const_iterator): Change Archive to be
2874         non-const.
2875         (Archive::begin, Archive::end): Make non-const.
2876         (Archive::count_members): Likewise.
2877         * archive.h (class Archive): Update declarations.
2878         * object.h (Object::read): Make non-const.
2879         * Makefile.am (CCFILES): Add descriptors.cc.
2880         (HFILES): Add descriptors.h.
2881         * Makefile.in: Rebuild.
2882
2883         PR 6716
2884         * gold.h: Always include <clocale>.  Add Solaris workarounds
2885         following code in binutils/sysdep.h.
2886
2887         PR 6048
2888         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
2889         this->eh_frame_hdr_ is NULL before using it.
2890
2891         * dynobj.cc (Versions::Versions): Update comment.
2892
2893         * dynobj.cc (Versions::Versions): If there is an soname, use it as
2894         the base version name.
2895
2896         * stringpool.cc (Stringpool_template::add_with_length): Set key to
2897         array size plus one.
2898         (Stringpool_template::set_string_offsets): Subtract one from key
2899         before using it as an array index.
2900         (Stringpool_template::get_offset_with_length): Likewise.
2901         (Stringpool_template::write_to_buffer): Likewise.
2902         * stringpool.h (Stringpool_template::get_offset_from_key):
2903         Likewise.
2904
2905 2008-07-23  Ian Lance Taylor  <iant@google.com>
2906
2907         PR 6658
2908         * object.h (Merged_symbol_value::value): Do our best to handle a
2909         negative addend.
2910
2911         PR 6647
2912         * script.cc (Version_script_info::get_versions): Don't add empty
2913         version tag to return value.
2914         (Version_script_info::get_symbol_version_helper): Change return
2915         type to bool.  Add pversion parameter.  Change all callers.
2916         (script_register_vers_node): Don't require a non-NULL tag.
2917         * script.h (class Version_script_info): Update declarations.
2918         (Version_script_info::get_symbol_version): Change return type to
2919         bool.  Add version parameter.  Change all callers.
2920         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
2921         handling.  Handle an empty version from a version script.
2922         (Symbol_table::define_special_symbol): Likewise.
2923         * testsuite/ver_test_10.script: New file.
2924         * testsuite/ver_test_10.sh: New file.
2925         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
2926         (check_DATA): Add ver_test_10.syms.
2927         (ver_test_10.syms, ver_test_10.so): New target.
2928         * testsuite/Makefile.in: Rebuild.
2929
2930 2008-07-23  Simon Baldwin  <simonb@google.com>
2931
2932         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
2933         to zero for undefined symbols from dynamic libraries.
2934
2935 2008-07-23  Ian Lance Taylor  <iant@google.com>
2936
2937         * symtab.cc (Symbol_table::resolve): Remove version parameter.
2938         Change all callers.
2939         * symtab.h (class Symbol_table): Update declaration.
2940         * testsuite/ver_test_9.cc: New file.
2941         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
2942         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
2943         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
2944         (ver_test_9.so, ver_test_9.o): New targets.
2945         * testsuite/Makefile.in: Rebuild.
2946
2947 2008-07-22  Ian Lance Taylor  <iant@google.com>
2948
2949         * options.h (class General_options): Define --check-sections.
2950         * layout.cc (Layout::set_segment_offsets): Handle
2951         --check-sections.
2952
2953         * options.h (class General_options): Define -n/--nmagic and
2954         -N/--omagic.
2955         * options.cc (General_options::finalize): For -n/--nmagic or
2956         -N/--omagic, set -static.
2957         * layout.cc (Layout::attach_allocated_section_to_segment): If
2958         -N/--omagic, don't put read-only and read-write sections in
2959         different segments.
2960         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
2961         finding a read-only segment.
2962         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
2963         don't set the minimum segment alignment to the common page size,
2964         and don't set the file offset to the address modulo the page size.
2965         * script-sections.cc (Script_sections::create_segments): If
2966         -n/--omagic, don't put read-only and read-write sections in
2967         different segments.
2968
2969         * cref.cc: New file.
2970         * cref.h: New file.
2971         * options.h (class General_options): Add --print-symbol-counts.
2972         * main.cc (main): Issue defined symbol report if requested.
2973         * archive.cc (Archive::interpret_header): Make into a const member
2974         function.
2975         (Archive::add_symbols): Call Input_objects::archive_start and
2976         archive_stop.
2977         (Archive::const_iterator): Define new class.
2978         (Archive::begin, Archive::end): New functions.
2979         (Archive::include_all_members): Rewrite to use iterator.
2980         (Archive::count_members): New function.
2981         * archive.h (class Archive): Update declarations.
2982         (Archive::filename): New function.
2983         * object.cc: Include "cref.h".
2984         (Sized_relobj::Sized_relobj): Initialize defined_count_.
2985         (Sized_relobj::do_get_global_symbol_counts): New function.
2986         (Input_objects::add_object): Add object to cross-referencer.
2987         (Input_objects::archive_start): New function.
2988         (Input_objects::archive_stop): New function.
2989         (Input_objects::print_symbol_counts): New function.
2990         * object.h: Declare Cref and Archive.
2991         (Object::get_global_symbol_counts): New function.
2992         (Object::do_get_global_symbol_counts): New pure virtual function.
2993         (class Sized_relobj): Add defined_count_ field.  Update
2994         declarations.
2995         (class Input_objects): Add cref_ field.  Update constructor.
2996         Update declarations.
2997         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
2998         defined_count_.
2999         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
3000         symbol counts.
3001         (Sized_dynobj::do_get_global_symbol_counts): New function.
3002         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
3003         defined_count_.  Update declarations.  Define Symbols typedef.
3004         * symtab.cc (Symbol_table::add_from_relobj): Add defined
3005         parameter.  Change all callers.
3006         (Symbol_table::add_from_dynobj): Add sympointers and defined
3007         parameters.  Change all callers.
3008         * symtab.h (class Symbol_table): Update declarations.
3009         * Makefile.am (CCFILES): Add cref.cc.
3010         (HFILES): Add cref.h.
3011         * Makefile.in: Rebuild.
3012
3013 2008-07-22  Simon Baldwin  <simonb@google.com>
3014
3015         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
3016         to zero when writing undefined symbols.
3017
3018 2008-07-22  Ian Lance Taylor  <iant@google.com>
3019
3020         * output.cc (Output_section::add_input_section): Don't try to
3021         merge empty merge sections.
3022
3023 2008-07-21  Craig Silverstein  <csilvers@google.com>
3024
3025         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
3026         Include symbol version in error message.
3027
3028 2008-07-20  Chris Demetriou  <cgd@google.com>
3029
3030         * configure.ac (gold_cv_c_random_seed): New configured variable.
3031         (RANDOM_SEED_CFLAGS): New substituted variable.
3032         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
3033         * configure: Rebuild.
3034         * Makefile.in: Likewise.
3035         * testsuite/Makefile.in: Likewise.
3036
3037 2008-07-18  Ian Lance Taylor  <iant@google.com>
3038
3039         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
3040         where we see NAME/NULL and NAME/VERSION  as separate symbols.
3041         * testsuite/ver_test_main.cc (main): Call t4.
3042         (t4, t4_2a): Define.
3043         * testsuite/ver_test_2.cc (t4_2): Define.
3044         * testsuite/ver_test_2.script: Put t4_2a in VER2.
3045         * testsuite/ver_test_4.cc (t4_2a): Define.
3046         * testsuite/ver_test_4.script: Put t4_2a in VER2.
3047         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
3048
3049 2008-07-17  Ian Lance Taylor  <iant@google.com>
3050
3051         * dynobj.cc (Versions::add_def): If we give an error about a
3052         missing version, go ahead and create the version anyhow.
3053
3054 2008-07-10  Ian Lance Taylor  <iant@google.com>
3055
3056         Handle output sections with more than 0x7fffffff bytes.
3057         * object.h (class Relobj): Change map_to_output_ to
3058         output_sections_, and just keep a section pointer.  Change all
3059         uses.  Move comdat group support to Sized_relobj.
3060         (Relobj::is_section_specially_mapped): Remove.
3061         (Relobj::output_section): Remove poff parameter.  Change all
3062         callers.
3063         (Relobj::output_section_offset): New function.
3064         (Relobj::set_section_offset): Rewrite.
3065         (Relobj::map_to_output): Remove.
3066         (Relobj::output_sections): New function.
3067         (Relobj::do_output_section_offset): New pure virtual function.
3068         (Relobj::do_set_section_offset): Likewise.
3069         (class Sized_relobj): Add section_offsets_ field.  Add comdat
3070         group support from Relobj.  Update declarations.
3071         (Sized_relobj::get_output_section_offset): New function.
3072         (Sized_relobj::do_output_section_offset): New function.
3073         (Sized_relobj::do_set_section_offset): New function.
3074         * object.cc (Relobj::output_section_address): Remove.
3075         (Sized_relobj::Sized_relobj): Initialize new fields.
3076         (Sized_relobj::include_section_group): Cast find_kept_object to
3077         Sized_relobj.
3078         (Sized_relobj::include_linkonce_section): Likewise.
3079         (Sized_relobj::do_layout): Use separate arrays for output section
3080         and output offset.
3081         (Sized_relobj::do_count_local_symbols): Change map_to_output to
3082         output_sections.
3083         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
3084         output_sections and section_offsets.
3085         (Sized_relobj::write_local_symbols): Likewise.
3086         (map_to_kept_section): Compute output address directly.
3087         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
3088         output_sections and section_offsets.
3089         (Sized_relobj::write_sections): Likewise.
3090         (Sized_relobj::relocate_sections): Likewise.
3091         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
3092         * output.h (class Output_reloc): Update declarations.  Change
3093         u2_.relobj to Sized_relobj*.
3094         (class Output_data_reloc): Change add functions to use
3095         Sized_relobj*.
3096         * output.cc (Output_reloc::Output_reloc): Change relobj to
3097         Sized_relobj*.
3098         (Output_reloc::local_section_offset): Change return type to
3099         Elf_Addr.  Use get_output_section_offset.
3100         (Output_reloc::get_address): Likewise.
3101         (Output_section::is_input_address_mapped): Don't call
3102         is_section_specially_mapped.
3103         (Output_section::output_offset): Likewise.
3104         (Output_section::output_address): Likewise.
3105         (Output_section::starting_output_address): Likewise.
3106         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
3107         parameter to Sized_relobj*.
3108         (Copy_relocs::need_copy_reloc): Likewise.
3109         (Copy_relocs::save): Likewise.
3110         * copy-relocs.h (class Copy_relocs): Update declarations.
3111         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
3112         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
3113         * target-reloc.h (relocate_for_relocatable): Change
3114         offset_in_output_section type to Elf_Addr.  Change code that uses
3115         it as well.
3116         * layout.cc (Layout::layout): Always set *off.
3117         * mapfile.cc (Mapfile::print_input_section): Use
3118         output_section_offset.
3119         * i386.cc (Target_i386::copy_reloc): Change object parameter to
3120         Sized_relobj*.
3121         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
3122         * sparc.cc (Target_sparc::copy_reloc): Likewise.
3123         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
3124
3125 2008-07-03  Ian Lance Taylor  <iant@google.com>
3126
3127         * layout.cc (Layout::include_section): Do not discard unrecognized
3128         SHT_STRTAB sections.
3129
3130 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
3131
3132         * script.cc (Lex::can_continue_name): Make '?' allowable in
3133         version-script names.
3134         * testsuite/version_script.map: Change glob pattern to use '?'
3135
3136 2008-06-30  Manish Singh  <yosh@gimp.org>
3137
3138         PR 6585
3139         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
3140         Correct typo.
3141
3142 2008-06-30  Ian Lance Taylor  <iant@google.com>
3143
3144         PR 6660
3145         PR 6682
3146         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
3147         versions]: Don't try to read the value in the contents, since we
3148         don't use it.  Use the template endianness when writing.
3149
3150 2008-06-25  Cary Coutant  <ccoutant@google.com>
3151
3152         * fileread.cc (File_read::make_view): Assert on zero-length view.
3153         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
3154         symbol table when there are no symbols to read.
3155
3156 2008-06-23  Craig Silverstein  <csilvers@google.com>
3157
3158         * version.cc (version_string): Bump to 1.7
3159
3160 2008-06-18  Craig Silverstein  <csilvers@google.com>
3161
3162         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
3163         constant 0xFFFF to type Valtype.
3164         (Powerpc_relocate_functions::rel16_ha): Likewise.
3165
3166 2008-06-17  Ian Lance Taylor  <iant@google.com>
3167
3168         * output.h (Output_section::Input_section): Initialize p2align_ to
3169         zero for Output_section_data constructors.
3170         (Output_section::Input_section::addralign): If not an input
3171         section, return the alignment of the Output_section_data.
3172         * testsuite/copy_test.cc: New file.
3173         * testsuite/copy_test_1.cc: New file.
3174         * testsuite/copy_test_2.cc: New file.
3175         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
3176         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
3177         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
3178         (copy_test_1_pic.o, copy_test_1.so): New targets.
3179         (copy_test_2_pic.o, copy_test_2.so): New targets.
3180         * testsuite/Makefile.in: Rebuild.
3181
3182         * script-sections.cc (Script_sections::place_orphan): Initialize
3183         local variable exact.
3184
3185 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
3186
3187         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
3188
3189 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
3190             David S. Miller  <davem@davemloft.net>
3191
3192         * powerpc.cc: New file.
3193         * Makefile.am (TARGETSOURCES): Add powerpc.cc
3194         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
3195         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
3196         * Makefile.in: Rebuild.
3197
3198 2008-06-09  Ian Lance Taylor  <iant@google.com>
3199
3200         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
3201         <exception>.
3202         (throwing, orig_terminate): New static variables.
3203         (terminate_handler): New static function.
3204         (t2): Set terminate handler.
3205
3206 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
3207
3208         PR 6584
3209         * binary.cc (Binary_to_elf::sized_convert): Fix .data
3210         alignment.
3211
3212 2008-05-30  Cary Coutant  <ccoutant@google.com>
3213
3214         * archive.cc (Archive::include_all_members) Correct to step
3215         over symbol table and extended name table in thin archives.
3216
3217 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
3218
3219         PR 6407
3220         * target-reloc.h (relocate_for_relocatable): Fix new_offset
3221         calculation.
3222
3223 2008-05-28  Caleb Howe  <cshowe@google.com>
3224
3225         * reduced_debug_output.cc: New file.
3226         * reduced_debug_output.h: New file.
3227         * options.h (class General_options): Add --strip-debug-non-line.
3228         * options.cc (General_options::finalize): Add strip_debug_non_line
3229         to the strip heirarchy.
3230         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
3231         fields.
3232         * layout.cc: Include "reduced_debug_output.h".
3233         (Layout::Layout): Initialize new fields.
3234         (line_only_debug_sections): New static array.
3235         (is_lines_only_debug_sections): New static inline function.
3236         (Layout::include_section): Handle --strip-debug-non-line.
3237         (Layout::make_output_section): If --strip-debug-non-line, build
3238         new output sections for .debug_abbrev and .debug_info.
3239         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
3240         gold.  Warn about possible overflow.
3241         (read_signed_LEB_128): Likewise.
3242         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
3243         (read_signed_LEB_128): Declare.
3244         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
3245         (HFILES): Add reduced_debug_output.h.
3246         * Makefile.in: Rebuild.
3247
3248 2008-05-21  Ian Lance Taylor  <iant@google.com>
3249
3250         * mapfile.cc: New file.
3251         * mapfile.h: New file.
3252         * options.h (class General_options): Add -M/--print-map and -Map.
3253         * options.cc (General_options::finalize): Make -M equivalent to
3254         -Map -.
3255         * main.cc: Include <cstdio> and "mapfile.h".
3256         (main): Open mapfile if requested.
3257         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
3258         constructor.  Change caller.
3259         (queue_initial_tasks): Add mapfile parameter.  Change caller.
3260         (queue_middle_tasks): Likewise.
3261         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
3262         declarations.
3263         * archive.cc: Include "mapfile.h".
3264         (Archive::add_symbols): Add mapfile parameter.  Change all
3265         callers.  Pass mapfile, symbol, and reason to include_member.
3266         (Archive::include_all_members): Add mapfile parameter.  Change all
3267         callers.
3268         (Archive::include_member): Add mapfile, sym, and why parameters.
3269         Change all callers.  Report inclusion to map file.
3270         * archive.h: Include "fileread.h".
3271         (class Archive): Update declarations.
3272         (Archive::file): New const method.
3273         (class Add_archive_symbols): Add mapfile_ field.  Update
3274         constructor.  Change all callers.
3275         * readsyms.h (class Read_symbols): Likewise.
3276         (class Finish_group): Likewise.
3277         (class Read_script): Likewise.
3278         * common.cc: Include "mapfile.h".
3279         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
3280         all callers.
3281         (Symbol_table::do_allocate_commons): Likewise.
3282         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
3283         symbol allocation to mapfile.
3284         * common.h (class Allocate_commons_task): Add mapfile_ field.
3285         Update constructor.  Change all callers.
3286         * symtab.h (class Symbol_table): Update declarations.
3287         * layout.cc: Include "mapfile.h".
3288         (Layout_task_runner::run): Print information to mapfile.
3289         (Layout::create_gold_note): Change Output_data_fixed_space to
3290         Output_data_zero_fill.
3291         (Layout::create_build_id): Likewise.
3292         (Layout::print_to_mapfile): New function.
3293         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
3294         constructor.  Change caller.
3295         (class Layout): Declare print_to_mapfile.
3296         * output.cc (Output_section::Input_section::print_to_mapfile): New
3297         function.
3298         (Output_section::add_input_section): If producing a map, always
3299         add to input_sections_ list.
3300         (Output_section::do_print_to_mapfile): New function.
3301         (Output_segment::print_sections_to_mapfile): New function.
3302         (Output_segment::print_section_list_to_mapfile): New function.
3303         * output.h: Include "mapfile.h".
3304         (Output_data::print_to_mapfile): New function.
3305         (Output_data::do_print_to_mapfile): New virtual function.
3306         (Output_segment_headers::do_print_to_mapfile): New function.
3307         (Output_file_header::do_print_to_mapfile): New function.
3308         (Output_data_const::do_print_to_mapfile): New function.
3309         (class Output_data_const_buffer): Add map_name_ field.  Update
3310         constructor.  Change all callers.  Add do_print_to_mapfile
3311         function.
3312         (class Output_data_fixed_space): Likewise.
3313         (class Output_data_space): Likewise.
3314         (class Output_data_zero_fill): New class.
3315         (Output_data_strtab::do_print_to_mapfile): New function.
3316         (Output_data_reloc_base::do_print_to_mapfile): New function.
3317         (Output_relocatable_relocs::do_print_to_mapfile): New function.
3318         (Output_data_group::do_print_to_mapfile): New function.
3319         (Output_data_got::do_print_to_mapfile): New function.
3320         (Output_data_dynamic::do_print_to_mapfile): New function.
3321         (Output_symtab_xindex::do_print_to_mapfile): New function.
3322         (class Output_section): Declare do_print_to_mapflie.  Declare
3323         print_to_mapfile in Input_section.
3324         (class Output_segment): Declare new functions.
3325         * object.h (Sized_relobj::symbol_count): New function.
3326         * script-sections.cc
3327         (Output_section_element_dot_assignment::set_section_addresses):
3328         Change Output_data_fixed_space to Output_data_zero_fill.
3329         (Output_data_expression::do_print_to_mapfile): New function.
3330         * script.cc (read_input_script): Add mapfile parameter.  Change
3331         all callers.
3332         * script.h (read_input_script): Update declaration.
3333         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
3334         (Eh_frame::do_print_to_mapfile): New function.
3335         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
3336         (Output_merge_string::do_print_to_mapfile): New function.
3337         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
3338         function.
3339         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
3340         function.
3341         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
3342         function.
3343         * Makefile.am (CCFILES): Add mapfile.cc.
3344         (HFILES): Add mapfile.h.
3345         * Makefile.in: Rebuild.
3346
3347 2008-05-19  Ian Lance Taylor  <iant@google.com>
3348
3349         * options.h (class General_options): Add -z relro.
3350         * layout.cc (Layout::Layout): Initialize relro_segment_.
3351         (Layout::add_output_section_data): Return the output section.
3352         (Layout::make_output_section): Rcognize relro sections and mark
3353         them appropriately.
3354         (Layout::attach_allocated_section_to_segment): Put relro sections
3355         in a PT_GNU_RELRO segment.
3356         (Layout::create_initial_dynamic_sections): Mark the .dynamic
3357         section as relro.
3358         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
3359         PT_TLS segments.
3360         (Layout::linkonce_mapping): Map d.rel.ro.local to
3361         .data.rel.ro.local.
3362         (Layout::output_section_name): Us .data.rel.ro.local for any
3363         section which begins with that.
3364         * layout.h (class Layout): Update add_output_section_data
3365         declaration.  Add relro_segment_ field.
3366         * output.cc (Output_section::Output_section): Initialize is_relro_
3367         and is_relro_local_ fields.
3368         (Output_segment::add_output_section): Group relro sections.
3369         (Output_segment::is_first_section_relro): New function.
3370         (Output_segment::maximum_alignment): If there is a relro section,
3371         align the segment to the common page size.
3372         (Output_segment::set_section_addresses): Track whether we are
3373         looking at relro sections.  If the last section is a relro
3374         section, align to the common page size.
3375         (Output_segment::set_section_list_addresses): Add in_relro
3376         parameter.  Change all callers.  Align to the page size when
3377         moving from relro to non-relro section.
3378         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
3379         segment.
3380         * output.h (class Output_section): Add is_relro_ and
3381         is_relro_local_ fields.
3382         (Output_section::is_relro): New function.
3383         (Output_section::set_is_relro): New function.
3384         (Output_section::is_relro_local): New function.
3385         (Output_section::set_is_relro_local): New function.
3386         (class Output_segment): Update declarations.
3387         * i386.cc (Target_i386::got_section): Mark .got section as relro.
3388         * sparc.cc (Target_sparc::got_section): Likewise.
3389         * x86_64.cc (Target_x86_64::got_section): Likewise.
3390         * testsuite/relro_test_main.cc: New file.
3391         * testsuite/relro_test.cc: New file.
3392         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
3393         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
3394         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
3395         (relro_test.so, relro_test_pic.o): New targets.
3396         * testsuite/Makefile.in: Rebuild.
3397
3398 2008-05-16  Ian Lance Taylor  <iant@google.com>
3399
3400         * output.cc (Output_segment::add_output_section): Remove front
3401         parameter.
3402         * output.h (class Output_segment): Remove
3403         add_initial_output_section and overloaded add_output_section.
3404         Update declaration of remaining add_output_section.
3405         * layout.cc (Layout::create_interp): Call add_output_section
3406         rather than add_initial_output_section.
3407         (Layout::finish_dynamic_section): Likewise.
3408
3409         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
3410         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
3411         know the dynamic type.
3412         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
3413         field.  Initialize it in constructor.
3414         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
3415         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
3416         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
3417         reloc.
3418
3419         * output.cc (Output_reloc::get_address): Change return type to
3420         Elf_Addr.
3421         * output.h (class Output_reloc): Update get_address declaration.
3422         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
3423         for section addresses.
3424
3425 2008-05-09  Ian Lance Taylor  <iant@google.com>
3426
3427         PR 6493
3428         * gold.cc (gold_nomem): Use return value of write.
3429
3430 2008-05-08  Ian Lance Taylor  <iant@google.com>
3431
3432         * symtab.c (Symbol::init_base_output_data): Add version
3433         parameter.  Change all callers.
3434         (Symbol::init_base_output_segment): Likewise.
3435         (Symbol::init_base_constant): Likewise.
3436         (Symbol::init_base_undefined): Likewise.
3437         (Sized_symbol::init_output_data): Likewise.
3438         (Sized_symbol::init_output_segment): Likewise.
3439         (Sized_symbol::init_constant): Likewise.
3440         (Sized_symbol::init_undefined): Likewise.
3441         (Symbol_table::do_define_in_output_data): If the new symbol has a
3442         version, mark it as the default.
3443         (Symbol_table::do_define_in_output_segment): Likewise.
3444         (Symbol_table::do_define_as_constant): Likewise.
3445         * symtab.h (class Symbol): Update declarations.
3446         (class Sized_symbol): Likewise.
3447         * resolve.cc (Symbol::override_version): New function.
3448         (Symbol::override_base): Call override_version.
3449         (Symbol::override_base_with_special): Likewise.
3450         * testsuite/ver_script_8.script: New file.
3451         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
3452         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
3453         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
3454         (ver_test_8_1.so, ver_test_8_2.so): New targets.
3455
3456 2008-05-06  Ian Lance Taylor  <iant@google.com>
3457
3458         PR 6049
3459         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
3460         functions.
3461         (class General_options): Remove existing --undefined, and add
3462         --no-undefined instead.  Add new --undefined as synonym for -u.
3463         * archive.cc (Archive::add_symbols): Check whether symbol was
3464         named with -u.
3465         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
3466         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
3467         all uses.  Add IS_UNDEFINED.  Update declarations to split
3468         different versions of init_base.  Declare init_base_undefined.
3469         (Symbol::is_defined): Handle IS_UNDEFINED.
3470         (Symbol::is_undefined): Likewise.
3471         (Symbol::is_weak_undefined): Call is_undefined.
3472         (Symbol::is_absolute): Handle IS_CONSTANT.
3473         (class Sized_symbol): Update declarations to split different
3474         versions of init.  Declare init_undefined.
3475         (class Symbol_table): Declare new functions.
3476         * symtab.cc (Symbol::init_base_object): Rename from init_base.
3477         Change all callers.
3478         (Symbol::init_base_output_data): Likewise.
3479         (Symbol::init_base_output_segment): Likewise.
3480         (Symbol::init_base_constant): Likewise.
3481         (Symbol::init_base_undefined): New function.
3482         (Sized_symbol::init_object): Rename from init.  Change all
3483         callers.
3484         (Sized_symbol::init_output_data): Likewise.
3485         (Sized_symbol::init_output_segment): Likewise.
3486         (Sized_symbol::init_constant): Likewise.
3487         (Sized_symbol::init_undefined): New function.
3488         (Symbol_table::add_undefined_symbols_from_command_line): New
3489         function.
3490         (Symbol_table::do_add_undefined_symbols_from_command_line): New
3491         function.
3492         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
3493         (Symbol::output_section): Likewise.
3494         (Symbol::set_output_section): Likewise.
3495         (Symbol_table::sized_finalize_symbol): Likewise.
3496         (Symbol_table::sized_write_globals): Likewise.
3497         * resolve.cc (Symbol_table::should_override): Likewise.
3498         (Symbol::override_base_with_special): Likewise.
3499
3500         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
3501         symbol, change it to have default visibility.
3502         * testsuite/protected_1.cc: New file.
3503         * testsuite/protected_2.cc: New file.
3504         * testsuite/protected_3.cc: New file.
3505         * testsuite/protected_main_1.cc: New file.
3506         * testsuite/protected_main_2.cc: New file.
3507         * testsuite/protected_main_3.cc: New file.
3508         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
3509         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
3510         (protected_1_LDFLAGS, protected_1_LDADD): Define.
3511         (protected_1.so): New target.
3512         (protected_1_pic.o, protected_2_pic.o): New targets.
3513         (protected_3_pic.o): New target.
3514         (check_PROGRAMS): Add protected_2.
3515         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
3516         (protected_2_LDFLAGS, protected_2_LDADD): Define.
3517         * testsuite/Makefile.in: Rebuild.
3518
3519         * options.h (DEFINE_var): Add set_user_set_##varname__.
3520         (DEFINE_bool_alias): New macro.
3521         (class General_options): Define -Bstatic using DEFINE_bool_alias
3522         rather than DEFINE_special.  Add --undefined as an alias for -z
3523         defs.
3524         * options.cc (General_options::parse_Bstatic): Remove.
3525
3526         * options.h (class General_options): Add --fatal-warnings.
3527         * main.cc (main): Implement --fatal-warnings.
3528         * errors.h (Errors::warning_count): New function.
3529
3530         * options.h (class General_options): Add -Bsymbolic-functions.
3531         * symtab.h (Symbol::is_preemptible): Check for
3532         -Bsymbolic-functions.
3533
3534 2008-05-05  Ian Lance Taylor  <iant@google.com>
3535
3536         * options.h (DEFINE_bool): For DASH_Z, create the negative option
3537         as noVARNAME rather than no-VARNAME.
3538         (class General_options): Add option -z combreloc.
3539         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
3540         get_address.
3541         (Output_reloc::sort_before) [SHT_REL]: New function.
3542         (Output_reloc::sort_before) [SHT_RELA]: New function.
3543         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
3544         Sort_relocs_comparison.
3545         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
3546         parameter.  Change all callers.
3547         (Output_data_reloc::Output_data_reloc) [both versions]: Add
3548         sort_relocs parameter.  Change all callers.
3549         * output.cc (Output_reloc::get_address): New function, broken out
3550         of write_rel.
3551         (Output_reloc::write_rel): Call it.
3552         (Output_reloc::compare): New function.
3553         (Output_data_reloc_base::do_write): Optionally sort relocs.
3554
3555         * configure.ac: If targ_extra_obj is set, link it in.
3556         * configure.tgt: Initialize all variables.
3557         (x86_64*): Set targ_extra_obj and targ_extra_size.
3558         * configure: Rebuild.
3559
3560         * object.cc (Sized_relobj::include_section_group): Adjust section
3561         indexes read from group data.  Build vector to pass to
3562         layout_group.
3563         * layout.cc (Layout::layout_group): Add flags and shndxes
3564         parameters.  Remove contents parameter.  Change caller.  Update
3565         explicit instantiations.
3566         * layout.h (class Layout): Update layout_group declaration.
3567         * output.cc (Output_data_group::Output_data_group): Add flags and
3568         input_shndxes parameters.  Remove contents parameter.  Change
3569         caller.
3570         (Output_data_group::do_write): Change input_sections_ to
3571         input_shndxes_.
3572         * output.h (class Output_data_group): Update constructor
3573         declaration.  Rename input_sections_ to input_shndxes_.
3574         * testsuite/many_sections_test.cc: Add template.
3575
3576 2008-04-30  Cary Coutant  <ccoutant@google.com>
3577
3578         * target-reloc.h (relocate_section): Fix dead-pointer bug.
3579
3580         * layout.cc (Layout::include_section): Refactored check for debug
3581         info section.
3582         (Layout::add_comdat): Add new parameters.  Change type
3583         of signature parameter.  Add object and shndx to signatures table.
3584         (Layout::find_kept_object): New function.
3585         * layout.h: Include <cstring>.
3586         (Layout::is_debug_info_section): New function.
3587         (Layout::add_comdat): Add new parameters.
3588         (Layout::find_kept_object): New function.
3589         (Layout::Kept_section): New struct.
3590         (Layout::Signatures): Change type of map range.
3591         * object.cc (Relobj::output_section_address): New function.
3592         (Sized_relobj::include_section_group): Add new parameters.  Change
3593         calls to Layout::add_comdat.  Change to build table of kept comdat
3594         groups and table mapping discarded sections to kept sections.
3595         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
3596         (Sized_relobj::do_layout): Change calls to include_section_group and
3597         include_linkonce_section.
3598         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
3599         value to zero when section is discarded.
3600         (Sized_relobj::map_to_kept_section): New function.
3601         * object.h (Relobj::output_section_address): New function.
3602         (Relobj::Comdat_group): New type.
3603         (Relobj::find_comdat_group): New function.
3604         (Relobj::Comdat_group_table): New type.
3605         (Relobj::Kept_comdat_section): New type.
3606         (Relobj::Kept_comdat_section_table): New type.
3607         (Relobj::add_comdat_group): New function.
3608         (Relobj::set_kept_comdat_section): New function.
3609         (Relobj::get_kept_comdat_section): New function.
3610         (Relobj::comdat_groups_): New field.
3611         (Relobj::kept_comdat_sections_): New field.
3612         (Symbol_value::input_value): Update comment.
3613         (Sized_relobj::map_to_kept_section) New function.
3614         (Sized_relobj::include_linkonce_section): Add new parameter.
3615         * target-reloc.h (Comdat_behavior): New type.
3616         (get_comdat_behavior): New function.
3617         (relocate_section): Add code to map a discarded section to the
3618         corresponding kept section when applying a relocation.
3619
3620 2008-04-30  Craig Silverstein  <csilvers@google.com>
3621
3622         * dwarf_reader.cc (next_generation_count): New static var.
3623         (Addr2line_cache_entry): New struct.
3624         (addr2line_cache): New static var.
3625         (Dwarf_line_info::one_addr2line): Added caching.
3626         (Dwarf_line_info::clear_addr2line_cache): New function.
3627         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
3628         cache-size parameter.
3629         (Dwarf_line_info::one_addr2line_cache): New function.
3630         * symtab.cc (Symbol_table::detect_odr_violations): Pass
3631         new cache-size argument to one_addr2line(), and clear cache.
3632
3633 2008-04-28  Cary Coutant  <ccoutant@google.com>
3634
3635         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
3636         R_386_PC8 relocations.
3637
3638 2008-04-23  Ian Lance Taylor  <iant@google.com>
3639
3640         * object.cc (Sized_relobj::include_section_group): Check for
3641         invalid section group.
3642
3643         * object.cc (make_elf_object): Correct test for 64-bit ELF file
3644         header size.
3645
3646         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
3647         than read for file header.
3648         * archive.cc (Archive::include_member): Likewise.
3649
3650 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
3651
3652         * aclocal.m4: Regenerate.
3653         * configure: Regenerate.
3654
3655 2008-04-19  Ian Lance Taylor  <iant@google.com>
3656
3657         * version.cc (version_string): Bump to 1.6.
3658
3659         * testsuite/Makefile.am (many_sections_r_test): New target.
3660         (many_sections_r_test_SOURCES): Remove.
3661         (many_sections_r_test_DEPENDENCIES): Remove.
3662         (many_sections_r_test_LDFLAGS): Remove.
3663         (many_sections_r_test_LDADD): Remove.
3664
3665         * object.cc (Sized_relobj::do_add_symbols): Always pass
3666         local_symbol_count_ to add_from_relobj.
3667
3668         * testsuite/Makefile.am (many_sections_check.h): Only check one in
3669         every thousand variables.
3670         * testsuite/Makefile.in: Rebuild.
3671
3672         * object.cc (Xindex::initialize_symtab_xindex): New function.
3673         (Xindex::read_symtab_xindex): New function.
3674         (Xindex::sym_xindex_to_shndx): New function.
3675         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
3676         available.
3677         (Sized_relobj::do_initialize_xindex): New function.
3678         (Sized_relobj::do_read_symbols): Adjust section links.
3679         (Sized_relobj::symbol_section_and_value): Add is_ordinary
3680         parameter.  Change all callers.
3681         (Sized_relobj::include_section_group): Adjust section links and
3682         symbol section indexes.
3683         (Sized_relobj::do_layout): Adjust section links.
3684         (Sized_relobj::do_count_local_symbols): Adjust section links and
3685         symbol section indexes.
3686         (Sized_relobj::do_finalize_local_symbols): Distinguish between
3687         ordinary and special symbols.
3688         (Sized_relobj::write_local_symbols): Add symtab_xindex and
3689         dynsym_xindex parameters.  Change all callers.  Adjust section
3690         links.  Use SHN_XINDEX when needed.
3691         (Sized_relobj::get_symbol_location_info): Adjust section links.
3692         Don't get fooled by special symbols.
3693         * object.h (class Xindex): Define.
3694         (class Object): Add xindex_ parameter.  Declare virtual functoin
3695         do_initialize_xindex.
3696         (Object::adjust_sym_shndx): New function.
3697         (Object::set_xindex): New protected function.
3698         (class Symbol_value): Add is_ordinary_shndx_ field.
3699         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
3700         (Symbol_value::value): Assert ordinary section.
3701         (Symbol_value::initialize_input_to_output_map): Likewise.
3702         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
3703         Change all callers.
3704         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
3705         all callers.
3706         (class Sized_relobj): Update declarations.
3707         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
3708         parameter.  Change all callers.
3709         (Sized_relobj::adjust_shndx): New function.
3710         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
3711         field.
3712         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
3713         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
3714         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
3715         (Sized_dynobj::read_dynsym_section): Adjust section links.
3716         (Sized_dynobj::read_dynamic): Likewise.
3717         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
3718         section links.
3719         (Sized_dynobj::do_initialize_xindex): New function.
3720         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
3721         do_initialize_xindex.
3722         (Sized_dynobj::adjust_shndx): New function.
3723         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
3724         dynsym_xindex_ fields.
3725         (Layout::finalize): Add a call to set_section_indexes before
3726         creating the symtab sections.
3727         (Layout::set_section_indexes): Don't do anything if the section
3728         already has a section index.
3729         (Layout::create_symtab_sections): Add shnum parameter.  Change
3730         caller.  Create .symtab_shndx section if needed.
3731         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
3732         caller.
3733         (Layout::allocated_output_section_count): New function.
3734         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
3735         needed.
3736         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
3737         fields.  Update declarations.
3738         (Layout::symtab_xindex): New function.
3739         (Layout::dynsym_xindex): New function.
3740         (class Write_symbols_task): Add layout_ field.
3741         (Write_symbols_task::Write_symbols_task): Add layout parameter.
3742         Change caller.
3743         * output.cc (Output_section_headers::Output_section_headers): Add
3744         shstrtab_section parameter.  Change all callers.
3745         (Output_section_headers::do_sized_write): Store overflow values
3746         for section count and section string table section index in
3747         section header zero.
3748         (Output_file_header::do_sized_write): Check for overflow of
3749         section count and section string table section index.
3750         (Output_symtab_xindex::do_write): New function.
3751         (Output_symtab_xindex::endian_do_write): New function.
3752         * output.h (class Output_section_headers): Add shstrtab_section_.
3753         Update declarations.
3754         (class Output_symtab_xindex): Define.
3755         (Output_section::has_out_shndx): New function.
3756         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
3757         field.
3758         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
3759         Change all callers.
3760         (Sized_symbol::init): Likewise.
3761         (Symbol::output_section): Check for ordinary symbol.
3762         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
3763         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
3764         callers.
3765         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
3766         Change all callers.  Simplify handling of symbols from sections
3767         not included in the link.
3768         (Symbol_table::add_from_dynobj): Handle ordinary symbol
3769         distinction.
3770         (Weak_alias_sorter::operator()): Assert that symbols are
3771         ordinary.
3772         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
3773         distinction.
3774         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
3775         parameters.  Change all callers.
3776         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
3777         symbol distinction.  Use SHN_XINDEX when needed.
3778         (Symbol_table::write_section_symbol): Add symtab_xindex
3779         parameter.  Change all callers.
3780         (Symbol_table::sized_write_section_symbol): Likewise.  Use
3781         SHN_XINDEX when needed.
3782         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
3783         declarations.
3784         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
3785         (Symbol::is_defined): Check is_ordinary.
3786         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
3787         (Symbol::is_absolute, Symbol::is_common): Likewise.
3788         (class Sized_symbol): Update declarations.
3789         (class Symbol_table): Update declarations.
3790         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
3791         parameters.  Change all callers.
3792         (Sized_symbol::override): Likewise.
3793         (Symbol_table::override): Likewise.
3794         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
3795         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
3796         is_ordinary, and orig_st_shndx parameters.  Change all callers.
3797         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
3798         to be in an ordinary section.
3799         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
3800         object and is_ordinary parameters.  Change all callers.
3801         (Sized_dwarf_line_info::read_relocs): Add object parameter.
3802         Change all callers.  Don't add undefined or non-ordinary symbols
3803         to reloc_map_.
3804         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
3805         Change all callers.
3806         * dwarf_reader.h (class Sized_dwarf_line_info): Update
3807         declarations.
3808         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
3809         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
3810         (Sized_relobj::relocate_sections): Likewise.
3811         * target-reloc.h (scan_relocs): Adjust section symbol index.
3812         (scan_relocatable_relocs): Likewise.
3813         * i386.cc (Scan::local): Check for ordinary symbols.
3814         * sparc.cc (Scan::local): Likewise.
3815         * x86_64.cc (Scan::local): Likewise.
3816         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
3817         to symbol_section_and_value.
3818         * testsuite/many_sections_test.cc: New file.
3819         * testsuite/Makefile.am (BUILT_SOURCES): Define.
3820         (check_PROGRAMS): Add many_sections_test.
3821         (many_sections_test_SOURCES): Define.
3822         (many_sections_test_DEPENDENCIES): Define.
3823         (many_sections_test_LDFLAGS): Define.
3824         (BUILT_SOURCES): Add many_sections_define.h.
3825         (many_sections_define.h): New target.
3826         (BUILT_SOURCES): Add many_sections_check.h.
3827         (many_sections_check.h): New target.
3828         (check_PROGRAMS): Add many_sections_r_test.
3829         (many_sections_r_test_SOURCES): Define.
3830         (many_sections_r_test_DEPENDENCIES): Define.
3831         (many_sections_r_test_LDFLAGS): Define.
3832         (many_sections_r_test_LDADD): Define.
3833         (many_sections_r_test.o): New target.
3834         * testsuite/Makefile.in: Rebuild.
3835
3836 2008-04-17  Cary Coutant  <ccoutant@google.com>
3837
3838         * errors.cc (Errors::info): New function.
3839         (gold_info): New function.
3840         * errors.h (Errors::info): New function.
3841         * gold.h (gold_info): New function.
3842         * object.cc (Input_objects::add_object): Print trace output.
3843         * options.cc (options::parse_set): New function.
3844         (General_options::parse_wrap): Deleted.
3845         (General_options::General_options): Deleted initializer.
3846         * options.h (options::String_set): New typedef.
3847         (options::parse_set): New function.
3848         (DEFINE_set): New macro.
3849         (General_options::wrap): Changed to use DEFINE_set. Changed
3850         callers of any_wrap_symbols and is_wrap_symbol.
3851         (General_options::trace, General_options::trace_symbol):
3852         New options.
3853         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
3854         (General_options::wrap_symbols_): Deleted.
3855         * symtab.cc (Symbol_table::add_from_object): Print trace output.
3856
3857 2008-04-17  David S. Miller  <davem@davemloft.net>
3858
3859         * options.cc (General_options::parse_V): New function.
3860         * options.h: Add entries for -V and -Qy.
3861
3862 2008-04-17  Ian Lance Taylor  <iant@google.com>
3863
3864         * common.cc (Symbol_table::allocate_commons): Remove options
3865         parameter.  Change caller.
3866         (Symbol_table::do_allocate_commons): Remove options parameter.
3867         Change caller.  Just call do_allocate_commons_list twice.
3868         (Symbol_table::do_allocate_commons_list): New function, broken out
3869         of do_allocate_commons.
3870         * common.h (class Allocate_commons_task): Remove options_ field.
3871         Update constructor.
3872         * symtab.cc (Symbol_table::Symbol_table): Initialize
3873         tls_commons_.
3874         (Symbol_table::add_from_object): Put TLS common symbols on
3875         tls_commons_ list.
3876         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
3877         which are IN_OUTPUT_DATA.
3878         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
3879         allocate_commons and do_allocate_commons declarations.  Declare
3880         do_allocate_commons_list.
3881         * gold.cc (queue_middle_tasks): Update creation of
3882         Allocate_commons_task to not pass options.
3883         * testsuite/Makefile.am (INCLUDES): Add -I.. .
3884         (TLS_TEST_C_FLAGS): New variable.
3885         (tls_test_c_pic.o): New target.
3886         (tls_test_shared.so): Link in tls_test_c_pic.o.
3887         (tls_test_c_pic_ie.o): New target.
3888         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
3889         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
3890         (tls_test_c.o): New target.
3891         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
3892         (tls_pic_test_LDADD): Likewise.
3893         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
3894         (tls_shared_gd_to_ie_test_LDADD): Likewise.
3895         (tls_test_c_gnu2.o): New target.
3896         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
3897         tls_test_c_gnu2.o.
3898         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
3899         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
3900         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
3901         * testsuite/tls_test.cc: Include "config.h".
3902         (t_last): Call t11_last.
3903         * testsuite/tls_test.h (t11, t11_last): Declare.
3904         * testsuite/tls_test_c.c: New file.
3905         * testsuite/tls_test_main.cc (thread_routine): Call t11.
3906         * configure.ac: Check for OpenMP support.
3907         * configure, config.in, Makefile.in: Rebuild.
3908         * testsuite/Makefile.in: Rebuild.
3909
3910 2008-04-16  Cary Coutant  <ccoutant@google.com>
3911
3912         * i386.cc (Target_i386::define_tls_base_symbol): New function.
3913         (Target_i386::tls_base_symbol_defined_): New field.
3914         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
3915         (Target_i386::Scan::global): Likewise.
3916         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
3917         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
3918         (Target_x86_64::tls_base_symbol_defined_): New field.
3919         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
3920         (Target_x86_64::Scan::global): Likewise.
3921
3922 2008-04-16  Cary Coutant  <ccoutant@google.com>
3923
3924         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
3925         (Symbol::needs_plt_entry): Allow weak undefined symbols.
3926         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
3927         building shared libraries.
3928         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
3929         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
3930         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
3931         * testsuite/Makefile.in: Rebuild.
3932         * testsuite/weak_undef.h: New file.
3933         * testsuite/weak_undef_file1.cc: Add extra test cases.
3934         * testsuite/weak_undef_file2.cc: Likewise.
3935         * testsuite/weak_undef_test.cc: Likewise.
3936
3937 2008-04-16  David S. Miller  <davem@davemloft.net>
3938
3939         * sparc.cc (Target_sparc::Scan): Change from struct to class.
3940         Add issued_non_pic_error_ field.  Declare check_non_pic.
3941         (Target_sparc::Scan::check_non_pic): New function.
3942         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
3943         (Target_sparc::Scan::global): Likewise.
3944
3945         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
3946         * configure: Rebuild.
3947
3948         * options.h (DEFINE_enable): New macro.
3949         (new_dtags): New enable option.
3950         (initfirst, interpose, loadfltr, nodefaultlib,
3951         nodelete, nodlopen, nodump): New -z options.
3952         * layout.cc (Layout:finish_dynamic_section): If new
3953         dtags enabled, emit DT_RUNPATH.  Also, emit a
3954         DT_FLAGS_1 containing any specified -z flags.
3955
3956 2008-04-16  Ian Lance Taylor  <iant@google.com>
3957
3958         * copy-relocs.cc: New file.
3959         * copy-relocs.h: New file.
3960         * reloc.cc: Remove Copy_relocs code.
3961         * reloc.h: Likewise.
3962         * reloc-types.h (struct Reloc_types) [both versions]: Add
3963         get_reloc_addend_noerror.
3964         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
3965         variants of add_global which take an addend which must be zero.
3966         * i386.cc: Include "copy-relocs.h".
3967         (class Target_i386): Change type of copy_relocs_ to variable,
3968         update initializer.
3969         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
3970         Change all callers.
3971         (Target_i386::do_finalize_sections): Change handling of
3972         copy_relocs_.
3973         * sparc.cc: Include "copy-relocs.h".
3974         (class Target_sparc): Change type of copy_relocs_ to variable,
3975         update initializer.
3976         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
3977         Change all callers.
3978         (Target_sparc::do_finalize_sections): Change handling of
3979         copy_relocs_.
3980         * x86_64.cc: Include "copy-relocs.h".
3981         (class Target_x86_64): Change type of copy_relocs_ to variable,
3982         update initializer.
3983         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
3984         class.  Change all callers.
3985         (Target_x86_64::do_finalize_sections): Change handling of
3986         copy_relocs_.
3987         * Makefile.am (CCFILES): Add copy-relocs.cc.
3988         (HFILES): Add copy-relocs.h.
3989
3990         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
3991
3992         * testsuite/script_test_4.sh: Permit leading zeroes.
3993
3994 2008-04-15  Ian Lance Taylor  <iant@google.com>
3995
3996         * script-sections.cc (Script_sections::create_segments): Use
3997         header_size_adjustment even when there is enough room for the
3998         headers.
3999         * testsuite/script_test_4.sh: New file.
4000         * testsuite/script_test_4.t: New file.
4001         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
4002         (check_DATA): Add script_test_4.stdout.
4003         (MOSTLYCLEANFILES): Likewise.
4004         (script_test_4): New target.
4005         (script_test_4.stdout): New target.
4006         * testsuite/Makefile.in: Rebuild.
4007
4008         * sparc.cc: Add definitions for Output_data_plt_sparc class
4009         constants.
4010
4011 2008-04-14  David S. Miller  <davem@davemloft.net>
4012
4013         * sparc.cc: New file.
4014         * Makefile.am (TARGETSOURCES): Add sparc.cc
4015         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
4016         * configure.tgt: Document targ_extra_size and
4017         targ_extra_big_endian.  Add entries for sparc-* and
4018         sparc64-*.
4019         * configure.ac: Handle targ_extra_size and
4020         targ_extra_big_endian.
4021         * Makefile.in: Rebuild.
4022         * configure: Likewise.
4023         * po/POTFILES.in: Likewise.
4024         * po/gold.pot: Likewise.
4025
4026 2008-04-14  Ian Lance Taylor  <iant@google.com>
4027
4028         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
4029         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
4030         in the name/type/flags to section mapping.  Don't call
4031         allocate_output_section.
4032         (Layout::choose_output_section): Change parameter from adjust_name
4033         to is_input_section.  Don't permit input sections after sections
4034         are attached to segments.  Don't call allocate_output_section.
4035         (Layout::layout_eh_frame): Call update_flags_for_input_section,
4036         not write_enable_output_section.
4037         (Layout::make_output_section): Don't push to
4038         unattached_section_list_ nor call attach_to_segment.  Call
4039         attach_section_to_segment if sections are attached.
4040         (Layout::attach_sections_to_segments): New function.
4041         (Layout::attach_section_to_segment): New function.
4042         (Layout::attach_allocated_section_to_segment): Rename from
4043         attach_to_segment.  Remove flags parameter.
4044         (Layout::allocate_output_section): Remove function.
4045         (Layout::write_enable_output_section): Remove function.
4046         * layout.h (class Layout): Update for above changes.  Add new
4047         field sections_are_attached_.
4048         * output.h (Output_section::update_flags_for_input_section): New
4049         function.
4050         * output.cc (Output_section::add_input_section): Call
4051         update_flags_for_input_section.
4052         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
4053
4054 2008-04-11  Cary Coutant  <ccoutant@google.com>
4055
4056         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
4057         thought unnecessary.
4058         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
4059
4060 2008-04-11  Ian Lance Taylor  <iant@google.com>
4061
4062         * output.h (class Output_section_data): Remove inline definition
4063         of set_addralign.
4064         * output.cc (Output_section_data::set_addralign): New function.
4065
4066 2008-04-11  Cary Coutant  <ccoutant@google.com>
4067
4068         Add support for TLS descriptors for i386 and x86_64.
4069         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
4070         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
4071         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
4072         GOT_TYPE_TLS_DESC.
4073         (Target_i386::got_mod_index_entry): Remove unnecessary code.
4074         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
4075         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
4076         relocations.
4077         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
4078         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
4079         Fix problem with initial-exec relocations.
4080         (Target_i386::Relocate::relocate_tls): Likewise.
4081         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
4082         relaxation.
4083         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
4084         support for section-plus-offset dynamic table entries.
4085         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
4086         (Output_data_dynamic::Dynamic_entry): Add support for
4087         section-plus-offset dynamic table entries.
4088         (Output_data_dynamic::Classification): Likewise.
4089         (Output_data_dynamic::classification_): Renamed offset_.
4090         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
4091         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
4092         (Target_x86_64::make_plt_section): New function.
4093         (Target_x86_64::reserve_tlsdesc_entries): New function.
4094         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
4095         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
4096         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
4097         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
4098         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
4099         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
4100         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
4101         add extra PLT entry for TLS descriptors.
4102         (Output_data_plt_x86_64::got_): New field.
4103         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
4104         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
4105         fields.
4106         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
4107         descriptors.
4108         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
4109         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
4110         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
4111         R_386_TLS_DESC_CALL relocations.
4112         (Target_x86_64::Scan::global): Likewise.
4113         (Target_x86_64::do_finalize_sections): Add dynamic table entries
4114         for TLS descriptors.
4115         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
4116         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
4117         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
4118         GD-to-IE relaxation.
4119         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
4120         and TLS_DESCRIPTORS.
4121         * Makefile.in: Rebuild.
4122         * configure: Rebuild.
4123         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
4124         (tls_test_shared2.so): New target.
4125         (tls_shared_gd_to_ie_test_SOURCES): New variable.
4126         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
4127         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
4128         (tls_shared_gd_to_ie_test_LDADD): New variable.
4129         (tls_shared_gnu2_gd_to_ie_test): New target.
4130         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
4131         New targets.
4132         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
4133         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
4134         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
4135         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
4136         (tls_shared_gnu2_test): New target.
4137         (tls_test_gnu2_shared.so): New target.
4138         (tls_shared_gnu2_test_SOURCES): New variable.
4139         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
4140         (tls_shared_gnu2_test_LDFLAGS): New variable.
4141         (tls_shared_gnu2_test_LDADD): New variable.
4142         * testsuite/Makefile.in: Rebuild.
4143         * testsuite/Makefile.
4144
4145 2008-04-11  Ian Lance Taylor  <iant@google.com>
4146
4147         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
4148         justsyms.t.
4149         * testsuite/Makefile.in: Rebuild.
4150
4151         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
4152         long.
4153         * testsuite/script_test_2.cc (main): Adjust test.
4154
4155 2008-04-11  David S. Miller  <davem@davemloft.net>
4156             Ian Lance Taylor  <iant@google.com>
4157
4158         * options.h (General_options): Add entries for '-Y' and
4159         '-relax'.
4160         * options.cc (General_options:finalize): If -Y was used, add those
4161         entries to the library path instead of the default "/lib" and
4162         "/usr/lib".
4163
4164 2008-04-11  David S. Miller  <davem@davemloft.net>
4165
4166         * testsuite/justsyms.t: Start at 0x100.
4167         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
4168         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
4169         long.
4170         * testsuite/script_test_2.cc: Adjust string and section length
4171         checks.
4172
4173 2008-04-09  Ian Lance Taylor  <iant@google.com>
4174
4175         PR gold/5996
4176         * script-sections.cc (Sections_element::allocate_to_segment): Add
4177         orphan parameter.
4178         (Output_section_definition::allocate_to_segment): Likewise.
4179         (Orphan_output_section::allocate_to_segment): Likewise.
4180         (Script_sections::attach_sections_using_phdrs_clause): Don't
4181         propagate non-PT_LOAD segments to orphan sections.
4182         * testsuite/Makefile.am (script_test_3.stdout): Generate using
4183         readelf rather than objdump.
4184         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
4185         .interp section and PT_INTERP segment are the same size.
4186         * testsuite/Makefile.in: Rebuild.
4187
4188         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
4189         aliases for symbols defined in the same object.
4190         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
4191         (weak_alias_test_SOURCES): New variable.
4192         (weak_alias_test_DEPENDENCIES): New variable.
4193         (weak_alias_test_LDFLAGS): New variable.
4194         (weak_alias_test_LDADD): New variable.
4195         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
4196         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
4197         (weak_alias_test_3.o): New target.
4198         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
4199         * testsuite/weak_alias_test_main.cc: New file.
4200         * testsuite/weak_alias_test_1.cc: New file.
4201         * testsuite/weak_alias_test_2.cc: New file.
4202         * testsuite/weak_alias_test_3.cc: New file.
4203
4204 2008-04-08  Ian Lance Taylor  <iant@google.com>
4205
4206         * options.h (class General_options): Add --noinhibit-exec option.
4207         * main.cc (main): Check --noinhibit-exec.
4208
4209         * options.h (class General_options): Define --wrap as a special
4210         option.  Add wrap_symbols_ field.
4211         (General_options::any_wrap_symbols): New function.
4212         (General_options::is_wrap_symbol): New function.
4213         * options.cc (General_options::parse_wrap): New function.
4214         (General_options::General_options): Initialize wrap_symbols_.
4215         * symtab.cc (Symbol_table::wrap_symbol): New function.
4216         (Symbol_table::add_from_object): Handle --wrap.
4217         * symtab.h (class Symbol_table): Declare wrap_symbol.
4218         * target.h (Target::wrap_char): New function.
4219         (Target::Target_info): Add wrap_char field.
4220         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
4221         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
4222         * testsuite/testfile.cc (Target_test::test_target_info):
4223         Likewise.
4224
4225         * errors.cc (Errors::undefined_symbol): Mention symbol version if
4226         there is one.
4227
4228         * layout.h (class Layout): Add added_eh_frame_data_ field.
4229         * layout.cc (Layout::Layout): Initialize new field.
4230         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
4231         output section until we find a section we merged successfully.
4232         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
4233         that the size be non-zero.
4234
4235         * merge.cc (Object_merge_map::get_output_offset): Remove inline
4236         qualifier.
4237
4238 2008-04-08  Craig Silverstein  <csilvers@google.com>
4239
4240         * configure.ac: Export new conditional variable HAVE_ZLIB.
4241         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
4242         on HAVE_ZLIB.
4243         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
4244         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
4245
4246 2008-04-07  Ian Lance Taylor  <iant@google.com>
4247
4248         * version.cc (version_string): Set to "1.5".
4249
4250         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
4251         Add issued_non_pic_error_ field.  Declare check_non_pic.
4252         (Target_x86_64::Scan::check_non_pic): New function.
4253         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
4254         (Target_x86_64::Scan::global): Likewise.
4255
4256         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
4257         addend parameter.  Change caller.  Handle merge sections.
4258         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
4259         Address to Addend.  Don't add in the result of
4260         local_section_offset, pass down the addend and use the returned
4261         value.
4262         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
4263         Update declarations of local_section_offset and symbol_value.
4264         * testsuite/two_file_test_1.cc (t18): New function.
4265         * testsuite/two_file_test_2.cc (f18): New function.
4266         * testsuite/two_file_test_main.cc (main): Call t18.
4267         * testsuite/two_file_test.h (t18, f18): Declare.
4268
4269         * configure.ac: Don't test for objdump, c++filt, or readelf.
4270         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
4271         conditionals.
4272         (TEST_READELF): New variable.
4273         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
4274         (check_PROGRAMS): Add two_file_strip_test.
4275         (two_file_strip_test): New target.
4276         (check_PROGRAMS): Add two_file_same_shared_strip_test.
4277         (two_file_same_shared_strip_test_SOURCES): New variable.
4278         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
4279         (two_file_same_shared_strip_test_LDFLAGS): New variable.
4280         (two_file_same_shared_strip_test_LDADD): New variable.
4281         (two_file_shared_strip.so): New target.
4282         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
4283         (ver_test_5.syms, ver_test_7.syms): Likewise.
4284         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
4285         (strip_test_3.stdout): Use TEST_OBJDUMP.
4286         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
4287
4288 2008-04-04  Cary Coutant  <ccoutant@google.com>
4289
4290         * symtab.h (Symbol::is_weak_undefined): New function.
4291         (Symbol::is_strong_undefined): New function.
4292         (Symbol::is_absolute): New function.
4293         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
4294         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
4295         absolute symbols.
4296         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
4297         (weak_undef_test): New target.
4298         * testsuite/Makefile.in: Rebuild.
4299         * testsuite/weak_undef_file1.cc: New file.
4300         * testsuite/weak_undef_file2.cc: New file.
4301         * testsuite/weak_undef_test.cc: New file.
4302
4303 2008-04-03  Craig Silverstein  <csilvers@google.com>
4304
4305         * compressed_output.h (class Output_compressed_section): Use
4306         unsigned buffer.
4307         * compressed_output.cc (zlib_compress): Use unsigned buffers,
4308         add zlib header.
4309         (zlib_compressed_suffix): Removed.
4310         (Output_compressed_section::set_final_data_size): Use unsigned
4311         buffers.
4312         * testsuite/Makefile.am (flagstest_compress_debug_sections):
4313         Fix linker invocation.
4314         (flagstest_o_specialfile_and_compress_debug_sections):
4315         Likewise.
4316         * testsuite/Makefile.in: Regenerated.
4317
4318 2008-04-02  David S. Miller  <davem@davemloft.net>
4319
4320         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
4321         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
4322
4323 2008-04-02  Craig Silverstein  <csilvers@google.com>
4324
4325         * TODO: New file.
4326
4327 2008-04-02  Ian Lance Taylor  <iant@google.com>
4328
4329         * fileread.cc (File_read::find_view): Add byteshift and vshifted
4330         parameters.  Update for new key type to views_.  Change all
4331         callers.
4332         (File_read::read): Adjust for byteshift in returned view.
4333         (File_read::add_view): New function, broken out of
4334         find_and_make_view.
4335         (File_read::make_view): New function, broken out of
4336         find_and_make_view.
4337         (File_read::find_or_make_view): Add offset and aligned
4338         parameters.  Rewrite accordingly.  Change all callers.
4339         (File_read::get_view): Add offset and aligned parameters.  Adjust
4340         for byteshift in return value.
4341         (File_read::get_lasting_view): Likewise.
4342         * fileread.h (class File_read): Update declarations.
4343         (class File_read::View): Add byteshift_ field.  Add byteshift to
4344         constructor.  Add byteshift method.
4345         * archive.h (Archive::clear_uncached_views): New function.
4346         (Archive::get_view): Add aligned parameter.  Change all callers.
4347         * object.h (Object::get_view): Add aligned parameter.  Change all
4348         callers.
4349         (Object::get_lasting_view): Likewise.
4350
4351         * fileread.cc (File_read::release): Don't call clear_views if
4352         there are multiple objects.
4353         * fileread.h (File_read::clear_uncached_views): New function.
4354         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
4355         on the archive.
4356
4357 2008-03-31  Cary Coutant  <ccoutant@google.com>
4358
4359         Add thin archive support.
4360         * archive.cc (Archive::armagt): New const.
4361         (Archive::setup): Remove task parameter and calls to unlock.
4362         (Archive::unlock_nested_archives): New function.
4363         (Archive::read_header): Add nested_off parameter. Change
4364         all callers.
4365         (Archive::interpret_header): Likewise.
4366         (Archive::include_all_members): Change to handle thin
4367         archives.
4368         (Archive::include_member): Likewise.
4369         * archive.h (Archive::Archive): Add new parameters and
4370         initializers.
4371         (Archive::armagt): New const.
4372         (Archive::setup): Remove task parameter.
4373         (Archive::unlock_nested_archives): New function.
4374         (Archive::read_header): Add nested_off parameter.
4375         (Archive::interpret_header): Likewise.
4376         (Archive::Nested_archive_table): New typedef.
4377         (Archive::is_thin_archive_): New field.
4378         (Archive::nested_archives_): New field.
4379         (Archive::options_): New field.
4380         (Archive::dirpath_): New field.
4381         (Archive::task_): New field.
4382         * readsyms.cc (Read_symbols::do_read_symbols): Add check
4383         for thin archives.  Pass additional parameters to
4384         Archive::Archive.  Unlock the archive file after calling
4385         Archive::setup.
4386
4387 2008-03-29  Ian Lance Taylor  <iant@google.com>
4388
4389         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
4390         version symbol to be local.
4391         * testsuite/ver_test_4.sh: New file.
4392         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
4393         (check_DATA): Add ver_test_4.syms.
4394         (ver_test_4.syms): New target.
4395         * testsuite/Makefile.in: Rebuild.
4396
4397         * output.cc
4398         (Output_section::Input_section_sort_entry::has_priority): New
4399         function.
4400         (Output_section::Input_section_sort_entry::match_file_name): New
4401         function.
4402         (Output_section::Input_section_sort_entry::match_section_name):
4403         Remove.
4404         (Output_section::Input_section_sort_entry::match_section_name_prefix):
4405         Remove.
4406         (Output_section::Input_section_sort_entry::match_section_file):
4407         Remove.
4408         (Output_section::Input_section_sort_compare::operator()): Rewrite
4409         using new Input_section_sort_entry functions.  Sort crtbegin and
4410         crtend first.  Sort sections with no priority before sections with
4411         a priority.
4412         * testsuite/initpri1.c (d3): Check j != 4.
4413         (cd5): New constructor/destructor function.
4414         (main): Check j != 2.
4415
4416         * symtab.cc (Symbol_table::add_from_object): If we don't use the
4417         new symbol when resolving, don't call set_is_default.
4418         * testsuite/ver_test_7.cc: New file.
4419         * testsuite/ver_test_7.sh: New file.
4420         * testsuite/Makefile.am (ver_test_7.so): New target.
4421         (ver_test_7.o): New target.
4422         (check_SCRIPTS): Add ver_test_7.sh.
4423         (check_DATA): Add ver_test_7.syms.
4424         (ver_test_7.syms): New target.
4425
4426 2008-03-28  Ian Lance Taylor  <iant@google.com>
4427
4428         * layout.cc (Layout::layout): If we see an input section with a
4429         name that needs sorting, set the must_sort flag for the output
4430         section.
4431         (Layout::make_output_section): If the name of the output section
4432         indicates that it might require sorting, set the may_sort flag.
4433         * output.h (Output_section::may_sort_attached_input_sections): New
4434         function.
4435         (Output_section::set_may_sort_attached_input_sections): New
4436         function.
4437         (Output_section::must_sort_attached_input_sections): New
4438         function.
4439         (Output_section::set_must_sort_attached_input_sections): New
4440         function.
4441         (class Output_section): Declare Input_section_sort_entry.  Define
4442         Input_section_sort_compare.  Declare
4443         sort_attached_input_sections.  Add new fields:
4444         may_sort_attached_input_sections_,
4445         must_sort_attached_input_sections_,
4446         attached_input_sections_are_sorted_.
4447         * output.cc (Output_section::Output_section): Initialize new
4448         fields.
4449         (Output_section::add_input_section): Add an entry to
4450         input_sections_ if may_sort or must_sort are true.
4451         (Output_section::set_final_data_size): Call
4452         sort_attached_input_sections if necessary.
4453         (Output_section::Input_section_sort_entry): Define new class.
4454         (Output_section::Input_section_sort_compare::operator()): New
4455         function.
4456         (Output_section::sort_attached_input_sections): New function.
4457         * configure.ac: Check whether the compiler supports constructor
4458         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
4459         * testsuite/initpri1.c: New file.
4460         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
4461         CONSTRUCTOR_PRIORITY.
4462         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
4463         (initpri1_LDFLAGS): New variable.
4464         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
4465
4466 2008-03-27  Ian Lance Taylor  <iant@google.com>
4467
4468         * common.cc (Sort_commons::operator): Correct sorting algorithm.
4469         * testsuite/common_test_1.c: New file.
4470         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
4471         (common_test_1_SOURCES): New variable.
4472         (common_test_1_DEPENDENCIES): New variable.
4473         (common_test_1_LDFLAGS): New variable.
4474
4475         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
4476         and commons_ correctly when NAME/VERSION does not override
4477         NAME/NULL.
4478         * testsuite/ver_test_6.c: New file.
4479         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
4480         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
4481         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
4482
4483 2008-03-26  Ian Lance Taylor  <iant@google.com>
4484
4485         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
4486         of an undefined symbol from a version script.
4487         * testsuite/Makefile.am (ver_test_5.so): New target.
4488         (ver_test_5.o): New target.
4489         (check_SCRIPTS): Add ver_test_5.sh.
4490         (check_DATA): Add ver_test_5.syms.
4491         (ver_test_5.syms): New target.
4492         * testsuite/ver_test_5.cc: New file.
4493         * testsuite/ver_test_5.script: New file.
4494         * testsuite/ver_test_5.sh: New file.
4495         * Makefile.in, testsuite/Makefile.in: Rebuild.
4496
4497         PR gold/5986
4498         Fix problems building gold with gcc 4.3.0.
4499         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
4500         (gold_error_at_location, gold_warning_at_location): Use it.
4501         * configure.ac: Check whether we can compile and use a template
4502         function with a printf attribute.
4503         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
4504         when jumping over bytes.
4505         * object.cc: Instantiate Object::read_section_data.
4506         * debug.h: Include <cstring>
4507         * dwarf_reader.cc: Include <algorithm>
4508         * main.cc: Include <cstring>.
4509         * options.cc: Include <cstring>.
4510         * output.cc: Include <cstring>.
4511         * script.cc: Include <cstring>.
4512         * script.h: Include <string>.
4513         * symtab.cc: Include <cstring> and <algorithm>.
4514         * target-select.cc: Include <cstring>.
4515         * version.cc: Include <string>.
4516         * testsuite/testmain.cc: Include <cstdlib>.
4517         * configure, config.in: Rebuild.
4518
4519 2008-03-25  Ian Lance Taylor  <iant@google.com>
4520
4521         * options.cc: Include "../bfd/bfdver.h".
4522         (options::help): Print bug reporting address.
4523
4524         * version.cc (print_version): Adjust output for current value of
4525         BFD_VERSION_STRING.
4526
4527         * NEWS: New file.
4528
4529         * options.cc (options::help): Print list of supported targets.
4530         * target-select.h: Include <vector>.
4531         (class Target_selector): Make machine_, size_, and is_big_endian_
4532         fields const.  Add bfd_name_ and instantiated_target_ fields.
4533         (Target_selector::Target_selector): Add bfd_name parameter.
4534         (Target_selector::recognize): Make non-virtual, call
4535         do_recognize.
4536         (Target_selector::recognize_by_name): Make non-virtual, call
4537         do_recognize_by_name.
4538         (Target_selector::supported_names): New function.
4539         (Target_selector::bfd_name): New function.
4540         (Target_selector::do_instantiate_target): New pure virtual
4541         function.
4542         (Target_selector::do_recognize): New virtual function.
4543         (Target_selector::do_recognize_by_name): New virtual function.
4544         (Target_selector::instantiate_target): New private function.
4545         (supported_target_names): Declare.
4546         * target-select.cc (Target_selector::Target_selector): Update for
4547         new parameter and fields.
4548         (select_target_by_name): Check that the name matches before
4549         calling recognize_by_name.
4550         (supported_target_names): New function.
4551         * i386.cc (class Target_selector_i386): Update Target_selector
4552         constructor call.  Remove recognize and recognize_by_name.  Add
4553         do_instantiate_target.
4554         * x86_64.cc (class Target_selector_x86_64): Likewise.
4555         * testsuite/testfile.cc (class Target_selector_test): Update for
4556         changes to Target_selector.
4557
4558         * README: Rewrite, with some notes on unsupported features.
4559
4560 2008-03-24  Cary Coutant  <ccoutant@google.com>
4561
4562         * i386.cc (Target_i386::Got_type): New enum declaration.
4563         (Target_i386::Scan::local): Updated callers of Output_data_got
4564         member functions.
4565         (Target_i386::Scan::global): Likewise.
4566         (Target_i386::Relocate::relocate): Likewise.
4567         (Target_i386::Relocate::relocate_tls): Likewise.
4568         * object.h (Got_offset_list): New class.
4569         (Sized_relobj::local_has_got_offset): Added got_type parameter.
4570         (Sized_relobj::local_got_offset): Likewise.
4571         (Sized_relobj::set_local_got_offset): Likewise.
4572         (Sized_relobj::local_has_tls_got_offset): Removed.
4573         (Sized_relobj::local_tls_got_offset): Removed.
4574         (Sized_relobj::set_local_tls_got_offset): Removed.
4575         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
4576         * output.cc (Output_data_got::add_global): Added got_type parameter.
4577         (Output_data_got::add_global_with_rel): Likewise.
4578         (Output_data_got::add_global_with_rela): Likewise.
4579         (Output_data_got::add_global_pair_with_rel): New function.
4580         (Output_data_got::add_global_pair_with_rela): New function.
4581         (Output_data_got::add_local): Added got_type parameter.
4582         (Output_data_got::add_local_with_rel): Likewise.
4583         (Output_data_got::add_local_with_rela): Likewise.
4584         (Output_data_got::add_local_pair_with_rel): New function.
4585         (Output_data_got::add_local_pair_with_rela): New function.
4586         (Output_data_got::add_global_tls): Removed.
4587         (Output_data_got::add_global_tls_with_rel): Removed.
4588         (Output_data_got::add_global_tls_with_rela): Removed.
4589         (Output_data_got::add_local_tls): Removed.
4590         (Output_data_got::add_local_tls_with_rel): Removed.
4591         (Output_data_got::add_local_tls_with_rela): Removed.
4592         * output.h (Output_data_got::add_global): Added got_type parameter.
4593         (Output_data_got::add_global_with_rel): Likewise.
4594         (Output_data_got::add_global_with_rela): Likewise.
4595         (Output_data_got::add_global_pair_with_rel): New function.
4596         (Output_data_got::add_global_pair_with_rela): New function.
4597         (Output_data_got::add_local): Added got_type parameter.
4598         (Output_data_got::add_local_with_rel): Likewise.
4599         (Output_data_got::add_local_with_rela): Likewise.
4600         (Output_data_got::add_local_pair_with_rel): New function.
4601         (Output_data_got::add_local_pair_with_rela): New function.
4602         (Output_data_got::add_global_tls): Removed.
4603         (Output_data_got::add_global_tls_with_rel): Removed.
4604         (Output_data_got::add_global_tls_with_rela): Removed.
4605         (Output_data_got::add_local_tls): Removed.
4606         (Output_data_got::add_local_tls_with_rel): Removed.
4607         (Output_data_got::add_local_tls_with_rela): Removed.
4608         * resolve.cc (Symbol::override_base_with_special): Removed
4609         reference to has_got_offset_ field.
4610         * symtab.cc (Symbol::init_fields): Replaced initialization
4611         of got_offset_ with got_offsets_.  Removed initialization
4612         of has_got_offset_
4613         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
4614         (Symbol::got_offset): Likewise.
4615         (Symbol::set_got_offset): Likewise.
4616         (Symbol::has_tls_got_offset): Removed.
4617         (Symbol::tls_got_offset): Removed.
4618         (Symbol::set_tls_got_offset): Removed.
4619         (Symbol::got_offset_): Removed.
4620         (Symbol::tls_mod_got_offset_): Removed.
4621         (Symbol::tls_pair_got_offset_): Removed.
4622         (Symbol::got_offsets_): New field.
4623         (Symbol::has_got_offset): Removed.
4624         (Symbol::has_tls_mod_got_offset): Removed.
4625         (Symbol::has_tls_pair_got_offset): Removed.
4626         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
4627         (Target_x86_64::Scan::local): Updated callers of Output_data_got
4628         member functions.
4629         (Target_x86_64::Scan::global): Likewise.
4630         (Target_x86_64::Relocate::relocate): Likewise.
4631         (Target_x86_64::Relocate::relocate_tls): Likewise.
4632
4633 2008-03-25  Ben Elliston  <bje@au.ibm.com>
4634
4635         * yyscript.y: Fix spelling error in comment.
4636
4637 2008-03-24  Ian Lance Taylor  <iant@google.com>
4638
4639         * options.h (class General_options): Define build_id option.
4640         * layout.h (class Layout): Declare write_build_id, create_note,
4641         create_build_id.  Add build_id_note_ member.
4642         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
4643         "libiberty.h", "md5.h", "sha1.h".
4644         (Layout::Layout): Initialize eh_frame_data_,
4645         eh_frame_hdr_section_, and build_id_note_.
4646         (Layout::finalize): Call create_build_id.
4647         (Layout::create_note): New function, broken out of
4648         Layout::create_gold_note.
4649         (Layout::create_gold_note): Call create_note.
4650         (Layout::create_build_id): New function.
4651         (Layout::write_build_id): New function.
4652         (Close_task_runner::run): Call write_build_id.
4653
4654         * x86_64.cc: Correct license to GPLv3.
4655
4656 2008-03-23  Ian Lance Taylor  <iant@google.com>
4657
4658         * options.cc: Include "demangle.h".
4659         (parse_optional_string): New function.
4660         (parse_long_option): Handle takes_optional_argument.
4661         (parse_short_option): Update dash_z initializer.  Handle
4662         takes_optional_argument.
4663         (General_options::General_options): Initialize do_demangle_.
4664         (General_options::finalize): Set do_demangle_.  Handle demangling
4665         style.
4666         * options.h (parse_optional_string): Declare.
4667         (struct One_option): Add optional_arg field.  Update constructor.
4668         Update call constructor calls.  Add takes_optional_argument
4669         function.
4670         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
4671         (DEFINE_optional_string): Define.
4672         (General_options::demangle): Change from DEFINE_bool to
4673         DEFINE_optional_string.
4674         (General_options::no_demangle): New function.
4675         (General_options::do_demangle): New function.
4676         (General_options::set_do_demangle): New function.
4677         (General_options::execstack_status_): Move definition to end of
4678         class definition.
4679         (General_options::static_): Likewise.
4680         (General_options::do_demangle_): New field.
4681         * object.cc (big_endian>::get_symbol_location_info): Call
4682         Options::do_demangle, not Options::demangle.
4683         * symtab.cc (demangle): Likewise.
4684
4685 2008-03-22  Ian Lance Taylor  <iant@google.com>
4686
4687         * gold.h: Include <cstddef> and <sys/types.h>
4688         * options.h: Include <cstring>.
4689
4690 2008-03-21  Ian Lance Taylor  <iant@google.com>
4691
4692         * Added source code to GNU binutils.