2009-10-24 Doug Kwan <dougkwan@google.com>
[external/binutils.git] / gold / ChangeLog
1 2009-10-24  Doug Kwan  <dougkwan@google.com>
2
3         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
4         (Arm_input_section::as_arm_input_section): New method.
5         (Arm_output_section): New class definition.
6         (Arm_output_section::create_stub_group,
7         Arm_output_section::group_sections): New method definitions.
8
9 2009-10-22  Doug Kwan  <dougkwan@google.com>
10
11         * arm.cc (Arm_input_section): New class definition.
12         (Arm_input_section::init, Arm_input_section:do_write,
13         Arm_input_section::set_final_data_size,
14         Arm_input_section::do_reset_address_and_file_offset): New method
15         definitions.
16
17 2009-10-21  Doug Kwan  <dougkwan@google.com>
18
19         * arm.cc (Stub_table, Arm_input_section): New forward class
20         declarations.
21         (Stub_table): New class defintion.
22         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
23         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
24         New method definition.
25
26 2009-10-21  Doug Kwan  <dougkwan@google.com>
27
28         * arm.cc: Update copyright comments.
29         (Target_arm): New forward class template declaration.
30         (Arm_address): New type.
31         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
32         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
33         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
34         constants.
35         (Insn_template): Same.
36         (DEF_STUBS): New macro.
37         (Stub_type): New enum type.
38         (Stub_template): New class definition.
39         (Stub): Same.
40         (Reloc_stub): Same.
41         (Stub_factory): Same.
42         (Target_arm::Target_arm): Initialize may_use_blx_ and
43         should_force_pic_veneer_.
44         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
45         Target_arm::should_force_pic_veneer,
46         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
47         Target_arm::using_thumb_only, Target_arm:;default_target): New
48         method defintions.
49         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
50         New data member declarations.
51         (Insn_template::size, Insn_template::alignment): New method defintions.
52         (Stub_template::Stub_template): New method definition.
53         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
54         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
55         (Stub_factory::Stub_factory): New method definition.
56         * gold.h (string_hash): New template.
57         * output.h (Input_section_specifier::hash_value): Use
58         gold::string_hash.
59         (Input_section_specifier::string_hash): Remove.
60         * stringpool.cc (Stringpool_template::string_hash): Use
61         gold::string_hash.
62
63 2009-10-20  Doug Kwan  <dougkwan@google.com>
64
65         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
66         symbols of relaxed input sections.
67         * output.h (Output_section::find_relaxed_input_section): Make
68         method public.
69
70 2009-10-16  Doug Kwan  <dougkwan@google.com>
71
72         * dynobj.cc (Versions::Versions): Initialize version_script_.
73         Only insert base version symbol definition for a shared object
74         if version script defines any version versions.
75         (Versions::define_base_version): New method definition.
76         (Versions::add_def): Check that base version is not needed.
77         (Versions::add_need): Define base version lazily.
78         * dynobj.h (Versions::define_base_version): New method declaration.
79         (Versions::needs_base_version_): New data member declaration.
80         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
81         (check_DATA): Add no_version_test.stdout.
82         (libno_version_test.so, no_version_test.o no_version_test.stdout):
83         New make rules.
84         * testsuite/Makefile.in: Regenerate.
85         * testsuite/no_version_test.c: New file.
86         * testsuite/no_version_test.sh: Ditto.
87
88 2009-10-16  Doug Kwan  <dougkwan@google.com>
89
90         * expression.cc (class Segment_start_expression): New class definition.
91         (Segment_start_expression::value): New method definition.
92         (script_exp_function_segment_start): Return a new
93         Segment_start_expression.
94         * gold/script-c.h (script_saw_segment_start_expression): New function
95         prototype.
96         * script-sections.cc (Script_sections::Script_sections): Initialize
97         SAW_SEGMENT_START_EXPRESSION_ to false.
98         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
99         and -Tbbs options to specify section addresses if given in
100         command line and no SEGMENT_START expression is seen in a script.
101         * script-sections.h (Script_sections::saw_segment_start_expression,
102         Script_sections::set_saw_segment_start_expression): New method
103         definition.
104         (Script_sections::saw_segment_start_expression_): New data member
105         declaration.
106         * script.cc (script_saw_segment_start_expression): New function.
107         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
108         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
109         script_test_7.sh and script_test_8.sh.
110         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
111         script_test_8.stdout.
112         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
113         (script_test_6, script_test_6.stdout, script_test_7,
114         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
115         * Makefile.in: Regenerate.
116         * testsuite/script_test_6.sh: New file.
117         * testsuite/script_test_6.t: Same.
118         * testsuite/script_test_7.sh: Same.
119         * testsuite/script_test_7.t: Same.
120         * testsuite/script_test_8.sh: Same.
121
122 2009-10-16  Doug Kwan  <dougkwan@google.com>
123
124         * output.cc (Output_segment::set_section_list_address): Cast
125         expressions to unsigned long long type to avoid format warnings.
126
127 2009-10-15  Ian Lance Taylor  <iant@google.com>
128
129         * script.cc (Script_options::add_symbol_assignment): Always add a
130         dot assginment to script_sections_.
131         * script-sections.cc (Script_sections::add_dot_assignment):
132         Initialize if necessary.
133
134         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
135         program headers with no load segment if there is a linker script.
136
137         * layout.cc (Layout::set_segment_offsets): Align the file offset
138         to the segment aligment for -N or -n with no load segment.
139         * output.cc (Output_segment::add_output_section): Don't crash if
140         the first section is a TLS section.
141         (Output_segment::set_section_list_addresses): Print an error
142         message if the address moves backward in a linker script.
143         * script-sections.cc
144         (Output_section_element_input::set_section_addresses): Don't
145         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
146         (Orphan_output_section::set_section_addresses): Likewise.
147
148 2009-10-15  Doug Kwan  <dougkwan@google.com>
149
150         * layout.cc (Layout::finish_dynamic_section): Generate tags
151         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
152         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
153         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
154
155 2009-10-14  Ian Lance Taylor  <iant@google.com>
156
157         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
158         fields.
159         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
160         data_shdr fields of relinfo.
161         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
162         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
163         R_386_TLS_LDO_32, adjust based on section flags.
164         (Target_i386::Relocate::fix_up_ldo): Remove.
165
166 2009-10-13  Ian Lance Taylor  <iant@google.com>
167
168         Add support for -pie.
169         * options.h (class General_options): Add -pie and
170         --pic-executable.
171         (General_options::output_is_position_independent): Test -pie.
172         (General_options::output_is_executable): Return true if not shared
173         and not relocatable.
174         (General_options::output_is_pie): Remove.
175         * options.cc (General_options::finalize): Reject incompatible uses
176         of -pie.
177         * gold.cc (queue_middle_tasks): A -pie link is not static.
178         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
179         * symtab.cc (Symbol::final_value_is_known): Return false if
180         output_is_position_independent.
181         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
182         output_is_position_independent.
183         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
184         output_is_position_independent.
185         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
186         output_is_position_independent.
187         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
188         two_file_pie_test.
189         (basic_pie_test.o, basic_pie_test): New targets.
190         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
191         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
192         (two_file_pie_test): New target.
193         * testsuite/Makefile.in: Rebuild.
194         * README: Remove note saying that -pie is not supported.
195
196 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
197
198         * options.h (class General_options): Add -init and -fini.
199         * layout.cc (Layout::finish_dynamic_section): Emit
200         given init and fini functions.
201
202 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
203
204         * gc.h (gc_process_relocs): Check if icf is enabled using new
205         function.
206         * gold.cc (queue_initial_tasks): Likewise.
207         (queue_middle_tasks): Likewise.
208         * object.cc (do_layout): Likewise.
209         * symtab.cc (is_section_folded): Likewise.
210         * main.cc (main): Likewise.
211         * reloc.cc (Read_relocs::run): Likewise.
212         (Sized_relobj::do_scan_relocs): Likewise.
213         * icf.cc (is_function_ctor_or_dtor): New function.
214         (Icf::find_identical_sections): Check if function is ctor or dtor when
215         safe icf is chosen.
216         * options.h (General_options::icf): Change option to be an enum.
217         (Icf_status): New enum.
218         (icf_enabled): New method.
219         (icf_safe_folding): New method.
220         (set_icf_status): New method.
221         (icf_status_): New variable.
222         * (options.cc) (General_options::finalize): Set icf_status_.
223         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
224         icf_test and icf_keep_unique_test to use the --icf enum flag.
225         * testsuite/icf_safe_test.sh: New file.
226         * testsuite/icf_safe_test.cc: New file. 
227
228 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
229
230         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
231         includes to gc.h and icf.h.
232         * arm.cc: Include gc.h.
233         * gold.cc: Likewise.
234         * i386.cc: Likewise.
235         * powerpc.cc: Likewise.
236         * sparc.cc: Likewise.
237         * x86_64.cc: Likewise.
238         * gc.h: Include icf.h.
239
240 2009-10-11  Ian Lance Taylor  <iant@google.com>
241
242         * plugin.cc: Include "gold.h" before other header files.
243
244 2009-10-10  Chris Demetriou  <cgd@google.com>
245
246         * options.h (Input_file_argument::Input_file_type): New enum.
247         (Input_file_argument::is_lib_): Replace with...
248         (Input_file_argument::type_): New member.
249         (Input_file_argument::Input_file_argument): Take Input_file_type
250         'type' rather than boolean 'is_lib' as second argument.
251         (Input_file_argument::is_lib): Use type_.
252         (Input_file_argument::is_searched_file): New function.
253         (Input_file_argument::may_need_search): Handle is_searched_file.
254         * options.cc (General_options::parse_library): Support -l:filename.
255         (General_options::parse_just_symbols): Update for Input_file_argument
256         changes.
257         (Command_line::process): Likewise.
258         * archive.cc (Archive::get_file_and_offset): Likewise.
259         * plugin.cc (Plugin_manager::release_input_file): Likewise.
260         * script.cc (read_script_file, script_add_file): Likewise.
261         * fileread.cc (Input_file::Input_file): Likewise.
262         (Input_file::will_search_for): Handle is_searched_file.
263         (Input_file::open): Likewise.
264         * readsyms.cc (Read_symbols::get_name): Likewise.
265         * testsuite/Makefile.am (searched_file_test): New test.
266         * testsuite/Makefile.in: Regenerate.
267         * testsuite/searched_file_test.cc: New file.
268         * testsuite/searched_file_test_lib.cc: New file.
269
270 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
271             Ian Lance Taylor  <iant@google.com>
272
273         * descriptor.cc: Include <cstdio> and "binary-io.h".
274         (Descriptors::open): Open the files in binary mode always.
275         * script.cc (Lex::get_token): Treat \r as whitespace.
276
277 2009-10-09  Ian Lance Taylor  <iant@google.com>
278
279         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
280
281 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
282             Ian Lance Taylor  <iant@google.com>
283
284         * configure.ac: Check for readv function also.
285         * fileread.cc (readv): Define if not HAVE_READV.
286         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
287         does not exist.
288         * config.in: Regenerate.
289         * configure: Regenerate.
290
291 2009-10-09  Doug Kwan  <dougkwan@google.com>
292
293         * layout.cc (Layout::make_output_section): Call target hook to make
294         ordinary output section.
295         (Layout::finalize): Adjust parameter list of call the
296         Target::may_relax().
297         * layout.h (class Layout::section_list): New method.
298         * merge.h (Output_merge_base::entsize): Change visibility to public.
299         (Output_merge_base::is_string, Output_merge_base::do_is_string):
300         New methods.
301         (Output_merge_string::do_is_string): New method.
302         * object.cc (Sized_relobj::do_setup): renamed from
303         Sized_relobj::set_up.
304         * object.h (Sized_relobj::adjust_shndx,
305         Sized_relobj::initializ_input_to_output_maps,
306         Sized_relobj::free_input_to_output_maps): Change visibilities to
307         protected.
308         (Sized_relobj::setup): Virtualize.
309         (Sized_relobj::do_setup): New method declaration.
310         (Sized_relobj::invalidate_section_offset,
311         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
312         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
313         * options.cc (parse_int): New function.
314         * options.h (parse_int): New declaration.
315         (DEFINE_int): New macro.
316         (stub_group_size): New option.
317         * output.cc (Output_section::Output_section): Initialize memebers
318         merge_section_map_, merge_section_by_properties_map_,
319         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
320         (Output_section::add_input_section): Handled deferred code-fill
321         generation and remove an old comment.
322         (Output_section::add_relaxed_input_section): New method definition.
323         (Output_section::add_merge_input_section): Use merge section by
324         properties map to speed to search.  Update merge section maps
325         as appropriate.
326         (Output_section::build_relaxation_map): New method definition.
327         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
328         Same.
329         (Output_section::relax_input_section): Renamed to
330         Output_section::convert_input_sections_to_relaxed_sections and change
331         interface to take a vector of pointers to relaxed sections.
332         (Output_section::find_merge_section,
333         Output_section::find_relaxed_input_section): New method definitions.
334         (Output_section::is_input_address_mapped,
335         Output_section::output_offset, Output_section::output_address):
336         Use output section data maps to speed up searching.
337         (Output_section::find_starting_output_address): Add comments.
338         (Output_section::do_write,
339         Output_section::write_to_postprocessing_buffer): Do code-fill
340         generation as appropriate.
341         (Output_section::get_input_sections): Invalidate relaxed input section
342         map.
343         (Output_section::restore_states): Adjust type of checkpoint .
344         Invalidate relaxed input section map.
345         * output.h (Output_merge_base): New class declaration.
346         (Input_section_specifier): New class defintion.
347         (class Output_relaxed_input_section) Change base class to
348         Output_section_data_build.
349         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
350         base class initializer.
351         (Output_section::add_relaxed_input_section): New method declaration.
352         (Output_section::Input_section): Change visibility to protected.
353         (Output_section::Input_section::relobj,
354         Output_section::Input_section::shndx): Handle relaxed input sections.
355         Output_section::input_sections) Change visibility to protected.  Also
356         define overload to return a non-const pointer.
357         (Output_section::Merge_section_properties): New class defintion.
358         (Output_section::Merge_section_by_properties_map,
359         Output_section::Output_section_data_by_input_section_map,
360         Output_section::Relaxation_map): New types.
361         (Output_section::relax_input_section): Rename method to
362         Output_section::convert_input_sections_to_relaxed_sections and change
363         interface to take a vector of relaxed section pointers.
364         (Output_section::find_merge_section,
365         Output_section::find_relaxed_input_section,
366         Output_section::build_relaxation_map,
367         Output_section::convert_input_sections_in_list_to_relaxed_sections):
368         New method declarations.
369         (Output_section::merge_section_map_
370         Output_section::merge_section_by_properties_map_,
371         Output_section::relaxed_input_section_map_,
372         Output_section::is_relaxed_input_section_map_valid_,
373         Output_section::generate_code_fills_at_write_): New data members.
374         * script-sections.cc
375         (Output_section_element_input::set_section_addresses): Call
376         current_data_size and addralign methods of relaxed input sections.
377         (Orphan_output_section::set_section_addresses): Call current_data_size
378         and addralign methods of relaxed input sections.
379         * symtab.cc (Symbol_table::compute_final_value): Extract template
380         from the body of Symbol_table::sized_finalize_symbol.
381         (Symbol_table::sized_finalized_symbol): Call
382         Symbol_table::compute_final_value.
383         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
384         (Symbol_table::compute_final_value): New templated method declaration.
385         * target.cc (Target::do_make_output_section): New method defintion.
386         * target.h (Target::make_output_section): New method declaration.
387         (Target::relax): Add more parameters for input objects, symbol table
388         and layout.  Adjust call to do_relax.
389         (Target::do_make_output_section): New method declaration.
390         (Target::do_relax): Add parameters for input objects, symbol table
391         and layout.
392
393 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
394
395         * pread.c: Include stdio.h.
396
397 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
398
399         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
400         defined.
401
402 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
403
404         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
405         Change read_shndx type to unsigned int.
406         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
407         int.
408         (Sized_dwarf_line_info::read_line_mappings): Likewise.
409         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
410         Change read_shndx type to unsigned int.
411         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
412         int.
413         (Sized_dwarf_line_info::read_line_mappings): Likewise.
414         * layout.cc (Layout::create_symtab_sections): Cast the result of
415         local_symcount * symsize to off_t in the gold_assert.
416
417 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
418
419         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
420         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
421         R_ARM_BASE_ABS.
422         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
423         (Arm_relocate_functions::thm_abs5): New function.
424         (Arm_relocate_functions::abs12): New function.
425         (Arm_relocate_functions::abs16): New function.
426         (Arm_relocate_functions::base_abs): New function.
427         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
428         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
429         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
430         R_ARM_BASE_ABS.
431         (Scan::global): Likewise.
432         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
433         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
434         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
435         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
436         R_ARM_BASE_ABS.
437
438 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
439
440         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
441         (Arm_relocate_functions::movt_prel): New function.
442         (Arm_relocate_functions::thm_movw_prel_nc): New function.
443         (Arm_relocate_functions::thm_movt_prel): New function.
444         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
445         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
446         (Scan::global, Relocate::relocate): Likewise.
447         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
448
449 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
450
451         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
452         Incremental_checker.
453         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
454         unsigned int.
455         (class Incremental_inputs_header): New class.
456         (Incremental_inputs_header_writer): Edit comment.
457         (Incremental_inputs_entry): New class.
458         (Incremental_inputs_entry_writer): Edit comment.
459         (Sized_incremental_binary::do_find_incremental_inputs_section):
460         Add *strtab_shndx parameter, fill it.
461         (Sized_incremental_binary::do_check_inputs): New method.
462         (Incremental_checker::can_incrementally_link_output_file): Use
463         Sized_incremental_binary::check_inputs.
464         (Incremental_inputs::report_command_line): Save command line in
465         command_line_.
466         * incremental.h:
467         (Incremental_binary::find_incremental_inputs_section): New
468         method.
469         (Incremental_binary::do_find_incremental_inputs_section): Add
470         strtab_shndx parameter.
471         (Incremental_binary::do_check_inputs): New pure virtual method.
472         (Sized_incremental_binary::do_check_inputs): Declare.
473         (Incremental_checker::Incremental_checker): Add incremental_inputs
474         parameter, use it to initialize incremental_inputs_.
475         (Incremental_checker::incremental_inputs_): New field.
476         (Incremental_checker::command_line): New method.
477         (Incremental_checker::inputs): New method.
478         (Incremental_checker::command_line_): New field.
479
480 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
481
482         * incremental.cc: Include <cstdarg> and "target-select.h".
483         (vexplain_no_incremental): New function.
484         (explain_no_incremental): New function.
485         (Incremental_binary::error): New method.
486         (Sized_incremental_binary::do_find_incremental_inputs_section): New
487         method.
488         (make_sized_incremental_binary): New function.
489         (open_incremental_binary): New function.
490         (can_incrementally_link_file): Add checks if output is ELF and has
491         inputs section.
492         * incremental.h: Include "elfcpp_file.h" and "output.h".
493         (Incremental_binary): New class.
494         (Sized_incremental_binary): New class.
495         (open_incremental_binary): Declare.
496         * object.cc (is_elf_object): Use
497         elfcpp::Elf_recognizer::is_elf_file.
498         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
499         * output.h (Output_file::filesize): New method.
500
501 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
502
503         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
504         New function.
505         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
506         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
507         function.
508         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
509         function.
510         (Arm_relocate_functions::movw_abs_nc): New function.
511         (Arm_relocate_functions::movt_abs): New function.
512         (Arm_relocate_functions::thm_movw_abs_nc): New function.
513         (Arm_relocate_functions::thm_movt_abs): New function.
514         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
515         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
516         (Scan::global): Likewise.
517         (Relocate::relocate): Likewise.
518         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
519
520 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
521
522         * arm.cc (Arm_relocate_functions::got_prel) New function.
523         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
524         (Relocate::relocate): Likewise.
525         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
526
527 2009-10-06  Ian Lance Taylor  <iant@google.com>
528
529         * options.h (class General_options): Define
530         split_stack_adjust_size parameter.
531         * object.h (class Object): Add uses_split_stack_ and
532         has_no_split_stack_ fields.  Add uses_split_stack and
533         has_no_split_stack accessor functions.  Declare
534         handle_split_stack_section.
535         (class Reloc_symbol_changes): Define.
536         (class Sized_relobj): Define Function_offsets.  Declare
537         split_stack_adjust, split_stack_adjust_reltype, and
538         find_functions.
539         * object.cc (Object::handle_split_stack_section): New function.
540         (Sized_relobj::do_layout): Call handle_split_stack_section.
541         * dynobj.cc (Sized_dynobj::do_layout): Call
542         handle_split_stack_section.
543         * reloc.cc (Sized_relobj::relocate_sections): Call
544         split_stack_adjust for executable sections in split_stack
545         objects.  Pass reloc_map to relocate_section.
546         (Sized_relobj::split_stack_adjust): New function.
547         (Sized_relobj::split_stack_adjust_reltype): New function.
548         (Sized_relobj::find_functions): New function.
549         * target-reloc.h: Include "object.h".
550         (relocate_section): Add reloc_symbol_changes parameter.  Change
551         all callers.
552         * target.h (class Target): Add calls_non_split method.  Declare
553         do_calls_non_split virtual method.  Declare match_view and
554         set_view_to_nop.
555         * target.cc: Include "elfcpp.h".
556         (Target::do_calls_non_split): New function.
557         (Target::match_view): New function.
558         (Target::set_view_to_nop): New function.
559         * gold.cc (queue_middle_tasks): Give an error if mixing
560         split-stack and non-split-stack objects with -r.
561         * i386.cc (Target_i386::relocate_section): Add
562         reloc_symbol_changes parameter.
563         (Target_i386::do_calls_non_split): New function.
564         * x86_64.cc (Target_x86_64::relocate_section): Add
565         reloc_symbol_changes parameter.
566         (Target_x86_64::do_calls_non_split): New function.
567         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
568         parameter.
569         * powerpc.cc (Target_powerpc::relocate_section): Add
570         reloc_symbol_changes parameter.
571         * sparc.cc (Target_sparc::relocate_section): Add
572         reloc_symbol_changes parameter.
573         * configure.ac: Call AM_CONDITIONAL for the default target.
574         * configure: Rebuild.
575         * testsuite/Makefile.am (TEST_AS): New variable.
576         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
577         (check_DATA): Add split_i386 and split_x86_64 files.
578         (SPLIT_DEFSYMS): Define.
579         (split_i386_[1234n].o): New targets.
580         (split_i386_[124]): New targets.
581         (split_i386_[1234r].stdout): New targets.
582         (split_x86_64_[1234n].o): New targets.
583         (split_x86_64_[124]): New targets.
584         (split_x86_64_[1234r].stdout): New targets.
585         (MOSTLYCLEANFILES): Add new executables.
586         * testsuite/split_i386.sh: New file.
587         * testsuite/split_x86_64.sh: New file.
588         * testsuite/split_i386_1.s: New file.
589         * testsuite/split_i386_2.s: New file.
590         * testsuite/split_i386_3.s: New file.
591         * testsuite/split_i386_4.s: New file.
592         * testsuite/split_i386_n.s: New file.
593         * testsuite/split_x86_64_1.s: New file.
594         * testsuite/split_x86_64_2.s: New file.
595         * testsuite/split_x86_64_3.s: New file.
596         * testsuite/split_x86_64_4.s: New file.
597         * testsuite/split_x86_64_n.s: New file.
598         * testsuite/testfile.cc (Target_test): Update relocation_section
599         function.
600         * testsuite/Makefile.in: Rebuild.
601
602 2009-10-06  Ian Lance Taylor  <iant@google.com>
603
604         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
605         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
606         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
607         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
608         the address on ldo_addrs_.
609         (Target_i386::Relocate::fix_up_ldo): New function.
610
611 2009-10-06   Rafael Espindola  <espindola@google.com>
612
613         * plugin.cc (add_input_library): New.
614         (Plugin::load): Add add_input_library to tv.
615         (Plugin_manager::add_input_file): Add the is_lib argument.
616         (add_input_file): Update call to Plugin_manager::add_input_file.
617         (add_input_library): New.
618         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
619
620 2009-09-30  Doug Kwan  <dougkwan@google.com>
621
622         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
623         symbol and call Symbol::may_need_copy_reloc to determine if
624         a copy reloc is needed.
625         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
626         nocopyreloc is given in command line.
627         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
628         given in command line.
629         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
630         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
631         of the removed Target_i386::may_need_copy_reloc.
632         * options.h (copyreloc): New option with default value false.
633         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
634         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
635         instead of the removed Target_powerpc::may_need_copy_reloc.
636         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
637         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
638         instead of the removed Target_sparc::may_need_copy_reloc.
639         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
640         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
641         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
642         instead of the removed Target_x86_64::may_need_copy_reloc.
643
644 2009-09-30  Ian Lance Taylor  <iant@google.com>
645
646         * object.h (class Object): Remove target_ field, and target,
647         sized_target, and set_target methods.
648         (Object::sized_target): Remove.
649         (class Sized_relobj): Update declarations.  Remove sized_target.
650         * object.cc (Sized_relobj::setup): Remove target parameter.
651         Change all callers.
652         (Input_objects::add_object): Don't do anything with the target.
653         (make_elf_sized_object): Add punconfigured parameter.  Change all
654         callers.  Set or test parameter target.
655         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
656         Change all callers.
657         * parameters.cc (Parameters::set_target): Change parameter type to
658         be non-const.
659         (Parameters::default_target): Remove.
660         (set_parameters_target): Change parameter type to be non-const.
661         (parameters_force_valid_target): New function.
662         (parameters_clear_target): New function.
663         * parameters.h (class Parameters): Update declarations.  Remove
664         default_target method.  Add sized_target and clear_target
665         methods.  Change target_ to be non-const.
666         (set_parameters_target): Update declaration.
667         (parameters_force_valid_target): Declare.
668         (parameters_clear_target): Declare.
669         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
670         as NULL if we aren't searching.
671         (Add_symbols::run): Don't check for compatible target.
672         * fileread.cc (Input_file::open_binary): Call
673         parameters_force_valid_target.
674         * gold.cc (queue_middle_tasks): Likewise.
675         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
676         set_target on object.
677         * dynobj.h (class Sized_dynobj): Update declarations.
678         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
679         make_elf_object returns NULL.
680         (Archive::include_member): Don't check whether object target is
681         compatible.
682         * output.cc (Output_section::add_input_section): Get target from
683         parameters.
684         (Output_section::relax_input_section): Likewise.
685         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
686         parameters.
687         (Sized_relobj::do_scan_relocs): Likewise.
688         (Sized_relobj::relocate_sections): Likewise.
689         * resolve.cc (Symbol_table::resolve): Likewise.
690         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
691         parameter.  Change all callers.
692         (Symbol_table::add_from_object): Get target from parameters.
693         (Symbol_table::add_from_relobj): Don't check object target.
694         (Symbol_table::add_from_dynobj): Likewise.
695         (Symbol_table::define_special_symbol): Get target from
696         parameters.
697         * symtab.h (class Symbol_table): Update declaration.
698         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
699         parameter.  Change all callers.  Clear parameter target.
700         (Binary_test): Test target here.
701         * testsuite/object_unittest.cc (gold_testsuite): Remove
702         target_test_pointer parameter.  Change all callers.
703         (Object_test): Test target here.
704
705 2009-09-26  Ian Lance Taylor  <iant@google.com>
706
707         * testsuite/initpri1.c: Don't try to use constructor priorities if
708         compiling with gcc before 4.3.
709
710 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
711
712         * testsuite/retain_symbols_file_test.sh (check_present): Change
713         output file name to retain_symbols_file_test.stdout.
714         (check_absent): Likewise.
715
716 2009-09-18  Craig Silverstein  <csilvers@google.com>
717
718         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
719         * options.cc: Include <cerrno> and <fstream>.
720         (General_options::finalize): Parse -retain-symbols-file tag.
721         * options.h: New flag.
722         (General_options): New method should_retain_symbol, new
723         variable symbols_to_retain.
724         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
725         should_retain_symbol map.
726         * testsuite/Makefile.am (retain_symbols_file_test): New test.
727         * testsuite/Makefile.in: Regenerate.
728         * testsuite/retain_symbols_file_test.sh: New file.
729
730 2009-09-18  Nick Clifton  <nickc@redhat.com>
731
732         * po/es.po: Updated Spanish translation.
733
734 2009-09-17  Doug Kwan  <dougkwan@google.com>
735
736         * debug.h (DEBUG_RELAXATION): New constant.
737         (DEBUG_ALL): Add DEBUG_RELAXATION.
738         (debug_string_to_enum): Add relaxation debug option.
739         * layout.cc
740         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
741         Layout::Relaxation_debug_check::read_sections,
742         Layout::Relaxation_debug_check::read_sections): New method definitions.
743         (Layout::Layout): Initialize data members
744         record_output_section_data_from_scrips_,
745         script_output_section_data_list_ and relaxation_debug_check_.
746         (Layout::save_segments, Layout::restore_segments,
747         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
748         Layout::relaxation_loop_body): New method definitions.
749         (Layout::finalize): Support relaxation.  Move section layout code to
750         Layout::relaxation_loop_body.
751         (Layout::set_asection_address_from_script): Move code for orphan
752         section placement out.
753         (Layout::place_orphan_sections_in_script): New method definition.
754         * layout.h (Output_segment_headers, Output_file_header):
755         New forward class declarations.
756         (Layout::~Layout): Define.
757         (Layout::new_output_section_data_from_script): New method definition.
758         (Layout::place_orphan_sections_in_script): New method declaration.
759         (Layout::Segment_states): New type declaration.
760         (Layout::save_segments, Layout::restore_segments,
761         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
762         Layout::relaxation_loop_body): New method declarations.
763         (Layout::Output_section_data_list): New type declaration.
764         (Layout::Relaxation_debug_check): New class definition.
765         (Layout::record_output_section_data_from_script_,
766         Layout::script_output_section_data_list_, Layout::segment_states_,
767         Layout::relaxation_debug_check_): New data members.
768         * output.cc: (Output_section_headers::do_size): New method definition.
769         (Output_section_headers::Output_section_headers): Move size
770         computation to Output_section_headers::do_size.
771         (Output_segment_headers::do_size): New method definition.
772         (Output_file_header::Output_file_header): Move size computation to 
773         Output_file_header::do_size and call it.
774         (Output_file_header::do_size): New method definition.
775         (Output_data_group::Output_data_group): Adjust call to
776         Output_section_data.
777         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
778         (Output_symtab_xindex::do_write): Add array bound check.
779         (Output_section::Input_section::print_to_mapfile): Handle
780         RELAXED_INPUT_SECTION_CODE.
781         (Output_section::Output_section): Initialize data member checkpoint_.
782         (Output_section::~Output_section): Delete checkpoint object pointed
783         by checkpoint_.
784         (Output_section::add_input_section): Always add an Input_section if
785         relaxing.
786         (Output_section::add_merge_input_section): Add assert.
787         (Output_section::relax_input_section): New method definition.
788         (Output_section::set_final_data_size): Set load address to zero for
789         an unallocated section.
790         (Output_section::do_address_and_file_offset_have_reset_values):
791         New method definition.
792         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
793         Handle relaxed input section.
794         (Output_section::sort_attached_input_sections): Checkpoint input
795         section list lazily.
796         (Output_section::get_input_sections): Change type of input_sections to
797         list of Simple_input_section pointers.  Checkpoint input section list
798         lazily.  Also handle relaxed input sections.
799         (Output_section::add_input_section_for_script): Take a reference to
800         a Simple_input_section object instead of Relobj pointer and section
801         index as parameter.  Handle relaxed input sections.
802         (Output_section::save_states, Output_section::restore_states): New
803         method definitions.
804         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
805         (Output_data::is_data_size_fixed): New method definition.
806         (Output_data::reset_addresss_and_file_offset): Do not reset data size
807         if it is fixed.
808         (Output_data::address_and_file_offset_have_reset_values): New method
809         definition.
810         (Output_data::do_address_and_file_offset_have_reset_values): New method
811         definition.
812         (Output_data::set_data_size): Check that data size is not fixed.
813         (Output_data::fix_data_size): New method definition.
814         (Output_data::is_data_size_fixed_): New data member.
815         (Output_section_headers::set_final_data_size): New method definition.
816         (Output_section_headers::do_size): New method declaration.
817         (Output_segment_headers::set_final_data_size): New method definition.
818         (Output_segment_headers::do_size): New method declaration.
819         (Output_file_header::set_final_data_size)::New method definition.
820         (Output_file_header::do_size)::New method declaration.
821         (Output_section_data::Output_section_data): Add new parameter
822         is_data_size_fixed and use it to fix data size.
823         (Output_data_const::Output_data_const): Adjust call to base class
824         constructor and fix data size.
825         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
826         base class constructor and fix data size.
827         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
828         base class constructor and fix data size.
829         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
830         class constructor and fix data size.
831         (Output_data_group::set_final_data_size): New method definition.
832         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
833         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
834         class constructor and fix data size.
835         (Output_relaxed_input_section): New class definition.
836         (Output_section::Simple_input_section): New class definition.
837         (Output_section::get_input_sections): Adjust parameter list.
838         (Output_section::add_input_section_for_script): Same.
839         (Output_section::save_states, Output_section::restore_states,
840         Output_section::do_address_and_file_offset_have_reset_values,
841         (Output_section::Input_section::Input_section): Handle
842         RELAXED_INPUT_SECTION_CODE.  Add new overload for
843         Output_relaxed_input_section.
844         (Output_section::Input_section::is_input_section,
845         Output_section::Input_section::set_output_section): Handle relaxed
846         input section.
847         (Output_section::Input_section::is_relaxed_input_section,
848         Output_section::Input_section::output_section_data,
849         Output_section::Input_section::relaxed_input_section): New method
850         definitions.
851         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
852         value.
853         (Output_section::Input_section::u1_): Update comments.
854         (Output_section::Input_section::u2_): Add new union member poris.
855         (Output_section::Checkpoint_output_section): New classs definition.
856         (Output_section::relax_input_section): New method declaration.
857         (Output_section::checkpoint_): New data member.
858         (Output_segment): Update comments.
859         (Output_segment::Output_segment): Un-privatize copy constructor.
860         (Output_segment::operator=): Un-privatize.
861         * script-sections.cc (Output_section_element::Input_section_list):
862         Change element type to Output_section::Simple_input_section.
863         (Output_section_element_dot_assignment::set_section_addresses):
864         Register output section data for relaxation clean up.
865         (Output_data_exression::Output_data_expression): Adjust call to base
866         constructor to fix data size.
867         (Output_section_element_data::set_section_addresses): Register
868         Output_data_expression object for relaxation clean up.
869         (struct Input_section_info): Replace Relobj pointer and section index
870         pair with Output_section::Simple_input_section and Convert struct to a
871         class.
872         (Input_section_sorter::operator()): Adjust access to
873         Input_section_info data member to use accessors. 
874         (Output_section_element_input::set_section_addresses): Use layout
875         parameter.  Adjust code to use Output_section::Simple_input_section
876         and Input_secction_info classes.  Register filler for relaxation
877         clean up.
878         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
879         and section index pair with Output_section::Simple_input_section
880         class.  Adjust code accordingly.
881         (Phdrs_element::release_segment): New method definition.
882         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
883         segment list.
884         (Script_sections::release_segments): New method definition.
885         * gold/script-sections.h (Script_sections::release_segments): New
886         method declaration.
887         * gold/target.h (Target::may_relax, Target::relax,
888         Target::do_may_relax, Target::do_relax): New method definitions.
889
890 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
891
892         * arm.cc (has_signed_unsigned_overflow): New function.
893         (Arm_relocate_functions::abs8): New function.
894         (Target_arm::Scan::local): Handle R_ARM_ABS8.
895         (Target_arm::Scan::global): Likewise.
896         (Target_arm::relocate::relocate): Likewise.
897         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
898         Likewise.
899
900 2009-09-16  Cary Coutant  <ccoutant@google.com>
901
902         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
903         * testsuite/Makefile.in: Regenerate.
904
905 2009-09-11  Nick Clifton  <nickc@redhat.com>
906
907         * po/gold.pot: Updated by the Translation project.
908
909 2009-09-08  Cary Coutant  <ccoutant@google.com>
910
911         * output.cc (Output_file::open): Add execute permission to empty file.
912         * testsuite/Makefile.am (permission_test): New test.
913         * testsuite/Makefile.in: Regenerate.
914
915 2009-09-02  Ian Lance Taylor  <iant@google.com>
916
917         * output.cc (Output_file::resize): Call map_no_anonymous rather
918         than map.
919
920 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
921
922         * gold.cc: Include "incremental.h".
923         (queue_initial_tasks): Call Incremental_checker methods.
924         * incremental.cc: Include "output.h".
925         (Incremental_checker::can_incrementally_link_output_file): New
926         method.
927         * incremental.h (Incremental_checker): New class.
928
929         * output.cc (Output_file::open_for_modification): New method.
930         (Output_file::map_anonymous): Changed return type to bool.  Record
931         map in base_ field.
932         (Output_file::map_no_anonymous): New method, broken out of map.
933         (Output_file::map): Use map_no_anonymous and map_anonymous.
934         * output.h (class Output_file): Update declarations.
935
936 2009-08-24  Cary Coutant  <ccoutant@google.com>
937
938         * options.h (Command_line::Pre_options): New class.
939         (Command_line::pre_options): New member.
940         * options.cc (gold::options::ready_to_register): New variable.
941         (One_option::register_option): Do nothing if not registering options.
942         Assert if same short option registered twice.
943         (General_options::General_options): Turn off option registration when
944         done constructing.
945         (Command_line::Pre_options::Pre_options): New constructor.
946
947 2009-08-24  Cary Coutant  <ccoutant@google.com>
948
949         * options.h (General_options::no_keep_memory): Remove incorrect
950         short option.
951
952 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
953
954         * Makefile.am (am__skiplex, am__skipyacc): New.
955         * Makefile.in: Regenerate.
956
957 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
958
959         * Makefile.am (AM_CPPFLAGS): Renamed from ...
960         (INCLUDES): ... this.
961         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
962         (AM_CPPFLAGS): Renamed from ...
963         (INCLUDE): ... this.
964         * Makefile.in, testsuite/Makefile.in: Regenerate.
965
966         * Makefile.in: Regenerate.
967         * aclocal.m4: Likewise.
968         * config.in: Likewise.
969         * configure: Likewise.
970         * testsuite/Makefile.in: Likewise.
971
972         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
973         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
974         * Makefile.in: Regenerate.
975         * testsuite/Makefile.in: Regenerate.
976
977 2009-08-19  Cary Coutant  <ccoutant@google.com>
978
979         * resolve.cc (Symbol_table::resolve): Don't complain about defined
980         symbols in shared libraries overridden by hidden or internal symbols
981         in the main program.
982
983 2009-08-19  Chris Demetriou  <cgd@google.com>
984
985         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
986         checking source file names in error messages.
987
988 2009-08-18  Doug Kwan  <dougkwan@google.com>
989
990         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
991         an elcpp::Ehdr as parameter.  Adjust call to set_target.
992         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
993         an elfcpp::Ehdr as parameter.
994         * object.cc (Object::set_target): Remove the version that looks up
995         a target and sets it.
996         (Sized_relobj::setup): Take a Target object instead of
997         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
998         (make_elf_sized_object): Find target and ask target to
999         make an ELF object.
1000         * object.h: (Object::set_target): Remove the version that looks up
1001         a target and sets it.
1002         (Sized_relobj::setup): Take a Target object instead of
1003         an elfcpp:Ehdr as parameter.
1004         * target.cc: Include dynobj.h.
1005         (Target::do_make_elf_object_implementation): New.
1006         (Target::do_make_elf_object): New.
1007         * target.h (Target::make_elf_object): New template declaration.
1008         (Target::do_make_elf_object): New method declarations.
1009         (Target::do_make_elf_object_implementation): New template declaration.
1010
1011 2009-08-14  Ian Lance Taylor  <iant@google.com>
1012
1013         * gold.h (FUNCTION_NAME): Define.
1014         (gold_unreachable): Use FUNCTION_NAME.
1015
1016 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
1017
1018         * icf.cc (Icf::find_identical_sections): Issue a warning when a
1019         symbol in the --keep-unique list is not found.
1020
1021 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
1022
1023         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
1024         been maked as --keep-unique.
1025         (Icf::unfold_section): New function.
1026         * icf.h (Icf::unfold_section): New function.
1027         * options.h (General_options::keep_unique): New option.
1028         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
1029         * testsuite/Makefile.in: Regenerate.
1030         * testsuite/icf_keep_unique_test.sh: New file.
1031         * testsuite/icf_keep_unique_test.cc: New file.
1032
1033 2009-08-12  Cary Coutant  <ccoutant@google.com>
1034
1035         PR 10471
1036         * resolve.cc (Symbol_table::resolve): Check for references from
1037         dynamic objects to hidden and internal symbols.
1038         * testsuite/Makefile.am (hidden_test.sh): New test.
1039         * testsuite/Makefile.in: Regenerate.
1040         * testsuite/hidden_test.sh: New script.
1041         * testsuite/hidden_test_1.c: New test source.
1042         * testsuite/hidden_test_main.c: New test source.
1043
1044 2009-08-11  Doug Kwan  <dougkwan@google.com>
1045
1046         * arm.cc: Update comments.
1047         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
1048         segment to locate the .ARM.exidx section if present.
1049
1050 2009-08-09  Doug Kwan  <dougkwan@google.com>
1051
1052         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
1053         patch.
1054
1055 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
1056         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
1057         compiler warnings.
1058
1059 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
1060
1061         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
1062         valid tls_segment only for non-debug-section relocations.
1063         * testsuite/Makefile.am: Add gc_tls_test.
1064         * testsuite/Makefile.in: Regenerate.
1065         * testsuite/gc_tls_test.cc: New file.
1066         * testsuite/gc_tls_test.sh: New file.
1067
1068 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
1069         
1070         * icf.cc: New file.
1071         * icf.h: New file.
1072         * Makefile.am (CCFILES): Add icf.cc.
1073         (HFILES): Add icf.h
1074         * Makefile.in: Regenerate.
1075         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
1076         * gc.h (gc_process_relocs): Populate lists used by icf to contain
1077         section, symbol and addend information for the relocs.
1078         * gold.cc (queue_middle_tasks): Call identical code folding.
1079         * gold.h: Add defines for multimap.
1080         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
1081         to the call of finalize_local_symbols.
1082         * main.cc (main): Create object of class Icf.
1083         * object.cc (Sized_relobj::do_layout): Allow this function to be
1084         called twice during icf.
1085         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
1086         to sections marked as identical by icf.
1087         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
1088         when available.
1089         (Sized_relobj::do_section_entsize): New function.
1090         * object.h (Object::section_entsize): New function.
1091         (Object::do_section_entsize): New pure virtual function.
1092         (Relobj::finalize_local_symbols): Add new parameter.
1093         (Relobj::do_section_entsize): New function.
1094         * options.h (General_options::icf): New option.
1095         (General_options::icf_iterations): New option.
1096         (General_options::print_icf_sections): New option.
1097         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
1098         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
1099         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
1100         icf.
1101         * symtab.cc (Symbol_table::is_section_folded): New function.
1102         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
1103         to sections marked as identical by icf.
1104         * symtab.h (Symbol_table::set_icf): New function.
1105         (Symbol_table::icf): New function.
1106         (Symbol_table::is_section_folded): New function.
1107         (Symbol_table::icf_): New data member.
1108         * target-reloc.h (relocate_section): Ignore sections folded by icf.
1109         * testsuite/Makefile.am: Add commands to build icf_test.
1110         * testsuite/Makefile.in: Regenerate.
1111         * testsuite/icf_test.sh: New file.
1112         * testsuite/icf_test.cc: New file.
1113
1114 2009-07-24  Chris Demetriou  <cgd@google.com>
1115
1116         * layout.cc (is_compressible_debug_section): Fix incorrect
1117         comment about compressed section names.
1118
1119 2009-07-20  Ian Lance Taylor  <ian@airs.com>
1120
1121         PR 10419
1122         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
1123
1124 2009-07-16  Ian Lance Taylor  <iant@google.com>
1125
1126         PR 10400
1127         * layout.h: #include <map>.
1128         (class Kept_section): Change from struct to class.  Add accessors
1129         and setters.  Add section size to Comdat_group mapping.  Change
1130         Comdat_group to std::map.  Add is_comdat_ field.  Add
1131         linkonce_size field in union.
1132         (class Layout): Update declaration of find_or_add_kept_section.
1133         Don't declare find_kept_object.
1134         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
1135         parameter.  Add object, shndx, is_comdat, and is_group_name
1136         parameters.  Change all callers.  Adjust for new Kept_section.
1137         (Layout::find_kept_object): Remove.
1138         * object.cc (Sized_relobj::include_section_group): Update use of
1139         Kept_section.  Rename secnum to shndx.  Only record
1140         Kept_comdat_section if sections are the same size.
1141         (Sized_relobj::include_linkonce_section): Update use of
1142         Kept_section.  Only record Kept_comdat_section if sections are the
1143         same size.  Set size of linkonce section.
1144         (Sized_relobj::map_to_kept_section): Update call to
1145         get_kept_comdat_section.
1146         * object.h (class Sized_relobj): Rename fields in
1147         Kept_comdat_section to drop trailing underscores; change object
1148         field to Relobj*.  Change Kept_comdat_section_table to store
1149         struct rather than pointer.
1150         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
1151         Add kept_object and kept_shndx parameters.  Change all callers.
1152         (Sized_relobj::get_kept_comdat_section): Change return type to
1153         bool.  Add kept_object and kept_shndx parameters.  Change all
1154         callers.
1155         * plugin.cc (Pluginobj::include_comdat_group): Update call to
1156         Layout::find_or_add_kept_section.
1157
1158 2009-07-09  Ian Lance Taylor  <iant@google.com>
1159
1160         * merge.cc (Object_merge_map::initialize_input_to_output_map):
1161         Reserve space in the hash table.
1162
1163 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
1164
1165         * fileread.cc (File_read::get_mtime): New method.
1166         * fileread.h (Timespec): New structure.
1167         (File_read::get_mtime): New method.
1168         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
1169         Renamed from timestamp_nsec.
1170         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
1171         Elf_Xword.
1172         (Incremental_inputs_entry_write::timestamp_usec): Renamed from 
1173         timestamp_nsec.
1174         (Incremental_inputs::report_archive): Save mtime; style fix. 
1175         (Incremental_inputs::report_obejct): Save mtime; style fix.
1176         (Incremental_inputs::report_script): Save mtime; style fix.
1177         (Incremental_inputs::finalize_inputs): Style fix.
1178         (Incremental_inputs::finalize): Style fix.
1179         (Incremental_inputs::create_input_section_data): Store inputs
1180         mtime.
1181         * incremental.h (Incremental_inputs::report_script): Add mtime
1182         argument.
1183         (Incremental_inputs::Input_info::Input_info): Intialize only one
1184         union member.
1185         (Incremental_inputs::Input_info::archive): Move to nameless
1186         union.
1187         (Incremental_inputs::Input_info::obejct): Move to nameless union.
1188         (Incremental_inputs::Input_info::script): Move to nameless union.
1189         (Incremental_inputs::mtime): New field.
1190         * script.cc (read_input_script): Pass file mtime to
1191         Incremental_input.
1192         * script.h (Script_info::inputs): Style fix.
1193
1194 2009-07-01  Ian Lance Taylor  <ian@airs.com>
1195
1196         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
1197         instead of 32.
1198
1199 2009-06-24  Ian Lance Taylor  <iant@google.com>
1200
1201         PR 10156
1202         * layout.cc (Layout::choose_output_section): If we find an
1203         existing section, update the flags.
1204         (Layout::create_notes): New function, broken out of
1205         Layout::finalize.
1206         (Layout::finalize): Don't create note sections.
1207         (Layout::create_note): Don't crash if linker script discards
1208         section.
1209         (Layout::create_gold_note): Likewise.
1210         (Layout::create_build_id): Likewise.  Don't set
1211         after_input_sections on the section.
1212         (Layout::create_executable_stack_info): Remove target parameter.
1213         Change caller.
1214         * layout.h (class Layout): Declare create_notes.  Update
1215         declaration of create_executable_stack_info.
1216         * gold.cc (queue_middle_tasks): Call create_notes.
1217         * output.cc (Output_section::update_flags_for_input_section): Move
1218         here from output.h.  If SHF_ALLOC flag is newly set, mark address
1219         invalid.
1220         * output.h (Output_data::mark_address_invalid): New function.
1221         (class Output_section): Only declare, not define,
1222         update_flags_for_input_section.  Remove set_flags.
1223
1224 2009-06-24  Ian Lance Taylor  <iant@google.com>
1225
1226         * script-sections.cc (Output_section_definition::
1227         set_section_addresses): Rename shadowing local load_address to
1228         laddr.
1229
1230 2009-06-24  Ian Lance Taylor  <iant@google.com>
1231
1232         PR 10244
1233         * reloc.cc (relocate_sections): Skip empty relocation sections.
1234
1235 2009-06-23  Ian Lance Taylor  <iant@google.com>
1236
1237         PR 10156
1238         * layout.cc (Layout::create_note): Use choose_output_section
1239         rather than make_output_section.
1240
1241 2009-06-23  Ian Lance Taylor  <iant@google.com>
1242
1243         PR 10237
1244         * options.cc (General_options::parse_V): Set printed_version_.
1245         (General_options::General_options): Initialize printed_version_.
1246         * options.h (class General_options): Add printed_version_ field.
1247         * gold.cc (queue_initial_tasks): If there are no input files,
1248         don't give a fatal error if we printed the version information.
1249         (queue_middle_tasks): If using -r with a shared object, give a
1250         fatal error rather than an ordinary error.
1251
1252 2009-06-23  Ian Lance Taylor  <iant@google.com>
1253
1254         PR 10219
1255         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
1256         (Layout::make_output_section): Set have_stabstr_section_ if we see
1257         a .stab*str section.
1258         (Layout::finalize): Call link_stabs_sections.
1259         (Layout::link_stabs_sections): New file.
1260         * layout.h (class Layout): Add have_stabstr_section_ field.
1261         Declare link_stabs_sections.
1262
1263 2009-06-23  Doug Kwan  <dougkwan@google.com>
1264
1265         * Makefile.am (libgold_a_LIBADD): New.
1266         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
1267         * Makefile.in: Regenerate.
1268         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
1269         * configure: Regenerate.
1270         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
1271         * fileread.cc: Include sys/state.h
1272         * gold.h: Declare memmem and strndup if found missing.
1273         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
1274
1275 2009-06-23  Ian Lance Taylor  <iant@google.com>
1276
1277         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
1278         * configure: Rebuild.
1279
1280 2009-06-23  Ian Lance Taylor  <iant@google.com>
1281
1282         PR 10147
1283         * object.cc (Object::section_contents): Don't try to get a view if
1284         the section has length zero.
1285         (Object::handle_gnu_warning_section): If the section is empty, use
1286         the name of the section as the warning.
1287
1288 2009-06-23  Ian Lance Taylor  <iant@google.com>
1289
1290         PR 10133
1291         * stringpool.h (class Stringpool_template): Add optimize_ field.
1292         (Stringpool_template::set_optimize): New function.
1293         * stringpool.cc (Stringpool_template::Stringpool_template):
1294         Initialize optimize_ field.
1295         (Stringpool_template::set_string_offsets): Test local optimize
1296         fild rather than parameter.
1297         * layout.cc (Layout::Layout): Call set_optimize on the section
1298         name stringpool.
1299
1300 2009-06-22  Ian Lance Taylor  <iant@google.com>
1301
1302         PR 10030
1303         * yyscript.y: Parse TARGET.
1304         * script.cc (script_set_target): New function.
1305         * script-c.h (script_set_target): Declare.
1306         * options.cc (General_options::string_to_object_format): Rename
1307         from string_to_object_format in anonymous namespace.  Change
1308         callers.
1309         * options.h (class General_options): Declare
1310         string_to_object_format.
1311
1312 2009-06-22  Ian Lance Taylor  <iant@google.com>
1313
1314         * script-sections.cc (Script_sections::create_segments): Don't put
1315         program headers in a PT_LOAD segment if -n or -N.
1316
1317 2009-06-22  Ian Lance Taylor  <iant@google.com>
1318
1319         PR 10141
1320         * options.h (class General_options): Add -z lazy and -z now.  Sort
1321         -z options into alphabetical order.
1322         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
1323
1324 2009-06-21  Ian Lance Taylor  <iant@google.com>
1325
1326         * layout.cc (Layout::make_output_section): Call
1327         Target::new_output_section.
1328         (Layout::attach_allocated_section_to_segment): Put large section
1329         sections in a separate load segment with the large segment flag
1330         set.
1331         (Layout::segment_precedes): Sort large data segments after other
1332         load segments.
1333         (align_file_offset): New static function.
1334         (Layout::set_segment_offsets): Use align_file_offset.
1335         * output.h (class Output_section): Add is_small_section_ and
1336         is_large_section_ fields.
1337         (Output_section::is_small_section): New function.
1338         (Output_section::set_is_small_section):  New function.
1339         (Output_section::is_large_section): New function.
1340         (Output_section::set_is_large_section): New function.
1341         (Output_section::is_large_data_section): New function.
1342         (class Output_segment): Add is_large_data_segment_ field.
1343         (Output_segment::is_large_data_segment): New function.
1344         (Output_segment::set_is_large_data_segment): New function.
1345         * output.cc (Output_section::Output_section): Initialize new
1346         fields.
1347         (Output_segment::Output_segment): Likewise.
1348         (Output_segment::add_output_section): Add assertion that large
1349         data sections always go in large data segments.  Force small data
1350         sections to the end of the list of data sections.  Force small BSS
1351         sections to the start of the list of BSS sections.  For large BSS
1352         sections to the end of the list of BSS sections.
1353         * symtab.h (class Symbol): Declare is_common_shndx.
1354         (Symbol::is_defined): Check Symbol::is_common_shndx.
1355         (Symbol::is_common): Likewise.
1356         (class Symbol_table): Define enum Commons_section_type.  Update
1357         declarations.  Add small_commons_ and large_commons_ fields.
1358         * symtab.cc (Symbol::is_common_shndx): New function.
1359         (Symbol_table::Symbol_table): Initialize new fields.
1360         (Symbol_table::add_from_object): Put small and large common
1361         symbols in the right list.
1362         (Symbol_table::sized_finalized_symbol): Check
1363         Symbol::is_common_shndx.
1364         (Symbol_table::sized_write_globals): Likewise.
1365         * common.cc (Symbol_table::do_allocate_commons): Allocate new
1366         common symbol lists.  Don't call do_allocate_commons_list if the
1367         list is empty.
1368         (Symbol_table::do_allocate_commons_list): Remove is_tls
1369         parameter.  Add comons_section_type parameter.  Change all
1370         callers.  Handle small and large common symbols.
1371         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
1372         Symbol::is_common_shndx.
1373         * resolve.cc (symbol_to_bits): Likewise.
1374         * target.h (Target::small_common_shndx): New function.
1375         (Target::small_common_section_flags): New function.
1376         (Target::large_common_shndx): New function.
1377         (Target::large_common_section_flags): New function.
1378         (Target::new_output_section): New function.
1379         (Target::Target_info): Add small_common_shndx, large_common_shndx,
1380         small_common_section_flags, and large_common_section_flags
1381         fields.
1382         (Target::do_new_output_section): New virtual function.
1383         * arm.cc (Target_arm::arm_info): Initialize new fields.
1384         * i386.cc (Target_i386::i386_info): Likewise.
1385         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
1386         Likewise.
1387         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
1388         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
1389         (Target_x86_64::do_new_output_section): New function.
1390         * configure.ac: Define conditional MCMODEL_MEDIUM.
1391         * testsuite/Makefile.am (check_PROGRAMS): Add large.
1392         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
1393         (large_LDFLAGS): Define.
1394         * testsuite/large.c: New file.
1395         * testsuite/testfile.cc (Target_test::test_target_info):
1396         Initialize new fields.
1397         * configure, testsuite/Makefile.in: Rebuild.
1398
1399 2009-06-05  Doug Kwan  <dougkwan@google.com>
1400
1401         * Makefile.am (CCFILES): Add target.cc.
1402         * Makefile.in: Regenerate. 
1403         * i386.cc (class Target_i386): Define new virtual method to
1404         override do_is_local_label_name in parent.
1405         * object.cc (Sized_relobj::do_count_local_symbols): Discard
1406         local symbols if --discard-locals or -X is given.
1407         * options.h (class General_options): Declare new options
1408         '--discard-locals' and '-X' for discarding locals.
1409         * target.h (class Target): Define new methods is_local_label_name.
1410         Declare new virtual method do_is_local_label_name.
1411         * target.cc: New file.
1412         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
1413         (check_SCRIPTS): Add discard_locals_test.sh.
1414         (check_DATA): Add discard_local_tests.syms.
1415         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
1416         (discard_local_tests.syms, discard_locals_test.o): New make rules.
1417         * testsuite/Makefile.in: Regenerate.
1418         * testsuite/discard_locals_test.c: New file.
1419         * testsuite/discard_locals_test.sh: Same.
1420
1421 2009-06-05  Doug Kwan  <dougkwan@google.com>
1422
1423         * object.cc (Sized_relobj::Sized_relobj): Initialize
1424         discarded_eh_frame_shndx_ to -1U.
1425         (Sized_relobj::do_layout): Record index of a discard .eh_frame
1426         section.
1427         (Sized_relobj::do_count_local_symbols): Skip local symbols in
1428         a discarded .eh_frame section.
1429         (Sized_relobj::do_finalize_local_symbols): Ditto.
1430         * object.h (class Sized_relobj): Declare new member
1431         discarded_eh_frame_shndx_.
1432         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
1433         (local_labels_test.o, local_labels_test): New rules.
1434         * testsuite/Makefile.in: Regenerate.
1435
1436 2009-06-04  Doug Kwan  <dougkwan@google.com>
1437
1438         * layout.cc (Layout::section_name_mapping): Add mapping for
1439         special ARM sections.
1440
1441 2009-06-03  Doug Kwan  <dougkwan@google.com>
1442
1443         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
1444         (utils::has_overflow): Same.
1445
1446 2009-06-03  Ian Lance Taylor  <iant@google.com>
1447
1448         * layout.cc (Layout::section_name_mapping): New array, replacing
1449         Layout::linkonce_mapping.
1450         (Layout::section_name_mapping_count): New variable, replacing
1451         Layout::linkonce_mapping_count.
1452         (Layout::linkonce_output_name): Remove.
1453         (Layout::output_section_name): Rewrite.
1454         * layout.h (class Layout): Rename Linkonce_mapping to
1455         Section_name_mapping, linkonce_mapping to section_name_mapping,
1456         linkonce_mapping_count to section_name_mapping_count.  Don't
1457         declare linkonce_output_name.
1458
1459 2009-06-03  Doug Kwan  <dougkwan@google.com>
1460
1461         * gold/arm.cc (namespace utils): New.
1462         (Target_arm::reloc_is_non_pic): Define new method.
1463         (class Arm_relocate_functions): New.
1464         (Target_arm::Relocate::relocate): Handle relocation types used by
1465         Android.
1466
1467 2009-06-03  Ian Lance Taylor  <iant@google.com>
1468
1469         * arm.cc (Target_arm::scan::global): Use || instead of |.
1470
1471 2009-06-02  Doug Kwan  <dougkwan@google.com>
1472
1473         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
1474         issued_non_pic_error_.
1475         (class Target_arm::Scan): Declare new method check_non_pic.
1476         Define new method symbol_needs_plt_entry.
1477         Declare new data member issued_non_pic_error_.
1478         (class Target_arm::Relocate): Declare new method
1479         should_apply_static_reloc.
1480         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
1481         (Target_arm::Scan::check_non_pic): Define new method.
1482         (Target_arm::Scan::local): Handle a small subset of reloc types used
1483         by Android.
1484         (Target_arm::Scan::local): Same.
1485         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
1486
1487 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
1488
1489         * incremental.cc (Incremental_inputs::report_command_line): Filter
1490         out --incremental-* options.
1491
1492 2009-05-29  Doug Kwan  <dougkwan@google.com>
1493
1494         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
1495         template class.
1496         (class Target_arm): Update comment.
1497         (Target_arm::Target_arm): Initialize new data members GOT_,
1498         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
1499         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
1500         and Target_arm::rel_dyn_section.
1501         Declare new_enum Target_arm::Got_type.
1502         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
1503         and DYNBSS_.
1504         Update commments for member do_dynsym_value.
1505         (Target_arm::got_size, Target_arm::plt_section,
1506         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
1507         new methods inside class defintion.
1508         (Target_arm::got_section): Define new method.
1509         (Target_arm::rel_dyn_section): Same.
1510         (Output_data_plt_arm): New template class.
1511         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
1512         (Output_data_plt_arm:do_adjust_output_section): Define new method.
1513         (Output_data_plt_arm::add_entry): Same.
1514         (Output_data_plt_arm::first_plt_entry): Define new
1515         static data member for PLT instruction template.
1516         (Output_data_plt_arm::plt_entry): Same.
1517         (Output_data_plt_arm::do_write): Define new method.
1518         (Target_arm::make_plt_entry): Same.
1519         (Target_arm::do_finalize_sections): Same.
1520         (Target_arm::do_dynsym_value): Same.
1521
1522 2009-05-28  Doug Kwan  <dougkwan@google.com>
1523
1524         * Makefile.am (TARGETSOURCES): Add arm.cc.
1525         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
1526         * Makefile.in: Regenerate.
1527         * arm.cc: New file.
1528         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
1529
1530 2009-05-26  Doug Kwan  <dougkwan@google.com>
1531
1532         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
1533         (General_options::check_excluded_libs): Strip off directories in
1534         archive name before matching like GNU ld does.
1535         * testsuite/Makefile.am (MOSTLYCLEANFILES,
1536         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
1537         (exclude_libs_test_LDFLAGS): Add linker option
1538         -Wl,--exclude-libs,libexclude_libs_test_3
1539         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
1540         an explicit archive without using -l.
1541         (alt/libexclude_libs_test_3.a): New make rule.
1542         * testsuite/Makefile.in: Regenerate.
1543         * testsuite/exclude_libs_test.c : Declare lib3_default().
1544         (main): Call it.
1545         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
1546         * exclude_libs_test_3.c: New file.
1547
1548 2009-05-26  Nick Clifton  <nickc@redhat.com>
1549
1550         * po/id.po: New Indonesian translation.
1551         * po/gold.pot: Updated template file.
1552
1553 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
1554
1555         * testsuite/Makefile.am: Add -ffunction-sections to compile 
1556         gc_comdat_test files.  Add -Wl,--gc-sections to build
1557         gc_comdat_test.
1558         * testsuite/Makefile.in: Regenerate.
1559         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
1560
1561 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
1562
1563         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
1564         kept comdat section was garbage collected.
1565         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
1566         * testsuite/Makefile.in: Regenerate.
1567         * testsuite/gc_comdat_test.sh: New file.
1568         * testsuite/gc_comdat_test_1.cc: New file.
1569         * testsuite/gc_comdat_test_2.cc: New file.
1570
1571 2009-05-19  Doug Kwan  <dougkwan@google.com>
1572
1573         * archive.cc (Archive::Archive): Move constructor from archive.h
1574         to here.  Initialize no_export_.
1575         (Archive::get_elf_object_for_member): Set no_export flag of object.
1576         * archive.h (Archive::Archive): Move constructor body to
1577         archive.cc.
1578         (Archive::no_export): New method.
1579         (Archive::no_export_): New field.
1580         * object.h (Object::Object): Initialize no_export_ to false.
1581         (Object::no_export, Object::set_no_export): New methods.
1582         (Object::no_export_): New field.
1583         * options.cc (General_options::parse_exclude_libs): New method.
1584         (General_options::check_excluded_libs) Same.
1585         * options.h (exclude_libs): New option.
1586         (General_options::check_excluded_libs): New method declaration.
1587         (General_options::excluded_libs_): New field.
1588         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
1589         default or protected visibility if an object has no-export flag set.
1590         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
1591         (check_SCRIPTS): Add exclude_libs_test.sh.
1592         (check_DATA): Add exclude_libs_test.syms.
1593         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
1594         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
1595         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
1596         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
1597         (exclude_libs_test.syms, libexclude_libs_test_1.a,
1598         libexclude_libs_test_2.a): New rules.
1599         * testsuite/Makefile.in: Regenerate.
1600         * testsuite/exclude_libs_test.c: New file.
1601         * testsuite/exclude_libs_test.sh: Ditto.
1602         * testsuite/exclude_libs_test_1.c: Ditto.
1603         * testsuite/exclude_libs_test_2.c: Ditto.
1604
1605 2009-05-15  Ian Lance Taylor  <iant@google.com>
1606
1607         * configure.ac: Check for declarations for cases where libiberty.h
1608         checks HAVE_DECL_xxx.
1609         * configure, config.in: Rebuild.
1610
1611 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
1612
1613         * gold.h (Incremental_argument_list): Remove (invalid) forward
1614         declaration.
1615         * incremental.cc (Incremental_inputs::report_achive): New method.
1616         (Incremental_inputs::report_object): New method.
1617         (Incremental_inputs::report_script): New method.
1618         (Incremental_inputs::finalize_inputs): New method.
1619         (Incremental_inputs::finalize): Call finalize_inputs().
1620         (Incremental_inputs::sized_create_incremental_inputs_section_data):
1621         Create inputs entries.
1622         * incremental.h (Incremental_input_type): New enum.
1623         (Incremental_inputs::Incremental_input): Initialize new fields.
1624         (Incremental_inputs::report_inputs): New method.
1625         (Incremental_inputs::report_achive): New method.
1626         (Incremental_inputs::report_object): New method.
1627         (Incremental_inputs::report_script): New method.
1628         (Incremental_inputs::finalize_inputs): New method.
1629         (Incremental_inputs::Input_info): New struct.
1630         (Incremental_inputs::Input_info_map): New typedef.
1631         (Incremental_inputs::lock_): New field.
1632         (Incremental_inputs::Inputs_): New field.
1633         (Incremental_inputs::Inputs_map): New field.
1634         * main.cc (main): Call Incremental_input::report_inputs.
1635         * options.h (Input_argument_list): Typedef moved from
1636         Input_arguments.
1637         (Input_file_group::Files): Remove, use ::Input_argument_list.
1638         (Input_file_group::Input_argument_list): Remove, use
1639         ::Input_argument_list.
1640         * plugin.cc (Plugin_manager::add_input_file): Add error in
1641         incremental build.
1642         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
1643         functions.
1644         * script.cc (read_input_script): Call
1645         Incremental_input::report_script.
1646         * script.h (Script_info): New class.
1647
1648 2009-04-27  Ian Lance Taylor  <iant@google.com>
1649
1650         * x86_64.cc (do_adjust_output_section): Set entsize to
1651         plt_entry_size.
1652
1653 2009-04-23  Elliott Hughes  <enh@google.com>
1654
1655         * output.cc (Output_file::close): After short writes, continue
1656         writing from the correct offset in the buffer being written.
1657
1658 2009-04-23  Chris Demetriou  <cgd@google.com>
1659
1660         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
1661         * configure: Regenerate.
1662         * config.in: Regenerate.
1663         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
1664         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
1665
1666 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
1667
1668         * incremental.cc (Incremental_inputs_header_data): Renamed from
1669         Incremental_input_header_data.
1670         (Incremental_inputs_header_data::data_size): New field.
1671         (Incremental_inputs_header_data::put_input_file_count): Renamed
1672         from input_file_count.
1673         (Incremental_inputs_header_data::put_command_line_offset): Renamed
1674         from command_line_offset.
1675         (Incremental_inputs_header_data::put_reserved): Renamed from
1676         put_reserved.
1677         (Incremental_inputs_entry_data): Renamed from
1678         Incremental_input_entry_data.
1679         (Incremental_inputs_entry_data::data_size): New field.
1680         (Incremental_inputs::report_command_line): New method.
1681         (Incremental_inputs::finalize): New method.
1682         (Incremental_inputs::create_incremental_inputs_data): New method.
1683         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
1684         * incremental.h: New file.
1685         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
1686        (Layout::finalize): Create incremental inputs section in
1687         incremental builds.
1688        (Layout::create_incremental_info_sections): New method.
1689         * layout.h (Layout::incremental_inputs): New method.
1690        (Layout::create_incremental_info_sections): New method.
1691        (Layout::incremental_inputs_): New field.
1692         * main.cc (main): Notify Incremental_input of the command line.
1693
1694 2009-04-01  Ian Lance Taylor  <iant@google.com>
1695             Mikolaj Zalewski  <mikolajz@google.com>
1696
1697         * gold.h (reserve_unordered_map): Define, three versions, one for
1698         each version of Unordered_map.
1699         * layout.cc (Layout::Layout): Remove options parameter.  Add
1700         number_of_input_files parameter.  Don't initialize options_.
1701         Initialize number_of_input_files_ and resized_signatures_.  Move
1702         sections_are_attached_.
1703         (Layout::layout_group): Reserve space for group_signatures_.
1704         (Layout::find_or_add_kept_section): Change name parameter to be a
1705         reference.  Resize signatures_ map when it gets large enough.
1706         (Layout::layout_eh_frame): Use parameters->options() instead of
1707         this->options_.
1708         (Layout::make_output_section): Likewise.
1709         (Layout::attach_allocated_section_to_segment): Likewise.
1710         (Layout::finalize, Layout::create_executable_stack): Likewise.
1711         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
1712         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
1713         * layout.h (class Layout): Update declarations.  Remove options_
1714         field.  Add number_of_input_files_ and resized_signatures_
1715         fields.  Move sections_are_attached_ field.
1716         * main.cc (main): Pass number of input files to Layout
1717         constructor.  Don't pass options.
1718
1719 2009-03-30  Ian Lance Taylor  <iant@google.com>
1720
1721         * ffsll.c (ffsll): Correct implementation.
1722
1723 2009-03-27  Ian Lance Taylor  <iant@google.com>
1724
1725         * ffsll.c: New file.
1726         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
1727         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
1728         * ftruncate.c (ftruncate): Declare before definition.
1729         * mremap.c (mremap): Likewise.
1730         * pread.c (pread): Likewise.
1731         * configure, Makefile.in, config.in: Rebuild.
1732
1733         * mremap.c: New file.
1734         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
1735         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
1736         (mremap): Declare if HAVE_MREMAP is not defined.
1737         * configure, Makefile.in, config.in: Rebuild.
1738
1739 2009-03-27  Cary Coutant  <ccoutant@google.com>
1740
1741         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
1742         position independent.
1743         * sparc.cc (Target_sparc::check_non_pic): Likewise.
1744         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
1745
1746 2009-03-24  Cary Coutant  <ccoutant@google.com>
1747
1748         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
1749         an executable.
1750         (needs_dynamic_reloc): Likewise.
1751
1752 2009-03-24  Ian Lance Taylor  <iant@google.com>
1753
1754         * yyscript.y (file_cmd): Recognize EXTERN.
1755         (extern_name_list, extern_name_list_body): New nonterminals.
1756         * script.cc (script_add_extern): Define.
1757         * script-c.h (script_add_extern): Declare.
1758
1759 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
1760
1761         * object.cc (is_elf_object): Define.
1762         * object.h (is_elf_object): Declare.
1763         * archive.cc (Archive::get_elf_object_for_member): Call
1764         is_elf_object.
1765         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
1766
1767 2009-03-24  Elliott Hughes  <enh@google.com>
1768
1769         * output.cc (Output_file::map_anonymous): Define.
1770         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
1771         try an anonymous one.  Report the size if the mmap fails.
1772         * output.h (class Output_file): Declare map_anonymous.
1773
1774 2009-03-24  Ian Lance Taylor  <iant@google.com>
1775
1776         * target-select.cc (instantiate_target): Don't acquire the lock if
1777         the instantiated_target_ field has already been set.
1778
1779 2009-03-23  Ian Lance Taylor  <iant@google.com>
1780
1781         * gold-threads.h (class Initialize_lock): Define.
1782         * gold-threads.cc (class Initialize_lock_once): Define.
1783         (initialize_lock_control): New static variable.
1784         (initialize_lock_pointer): New static variable.
1785         (initialize_lock_once): New static function.
1786         (Initialize_lock::Initialize_lock): Define.
1787         (Initialize_lock::initialize): Define.
1788         * target-select.h: Include "gold-threads.h".
1789         (class Target_selector): Add lock_ and initialize_lock_ fields.
1790         Don't define instantiate_target, just declare it.
1791         * target-select.cc (Target_selector::Target_selector): Initialize
1792         new fields.
1793         (Target_selector::instantiate_target): Define.
1794         * descriptors.h: Include "gold-threads.h".
1795         (class Descriptors): Add initialize_lock_ field.
1796         * descriptors.cc (Descriptors::Descriptors): Initialize new
1797         field.
1798         (Descriptors::open): Use initialize_lock_ field
1799         * errors.h (class Errors): Add initialize_lock_ field.
1800         * errors.cc (Errors::Errors): Initialize new field.
1801         (Errors::initialize_lock): Use initialize_lock_ field.
1802         * powerpc.cc (class Target_selector_powerpc): Remove
1803         instantiated_target_ field.  In do_recognize call
1804         instantiate_target rather than do_instantiate_target.  In
1805         do_instantiate_target just allocate a new target.
1806         * sparc.cc (class Target_selector_sparc): Likewise.
1807
1808         * freebsd.h: New file.
1809         * i386.cc: Include "freebsd.h".
1810         (Target_i386): Derive from Target_freebsd rather than
1811         Sized_target.
1812         (Target_selector_i386): Derive from Target_selector_freebsd rather
1813         than Target_selector.
1814         * x86_64.cc: Include "freebsd.h".
1815         (Target_x86_64): Derive from Target_freebsd rather than
1816         Sized_target.
1817         (Target_selector_x86_64): Derive from Target_selector_freebsd
1818         rather than Target_selector.
1819         * target.h (class Target): Add adjust_elf_header and
1820         do_adjust_elf_header.
1821         * output.cc (Output_file_header:: do_sized_write): Call target
1822         adjust_elf_header routine.
1823         * configure.tgt: Set targ_osabi.
1824         * configure.ac: Define GOLD_DEFAULT_OSABI.
1825         * parameters.cc (Parameters::default_target): Pass
1826         GOLD_DEFAULT_OSABI to select_target.
1827         * target-select.h (class Target_selector): Make instantiate_target
1828         protected rather than private.
1829         * Makefile.am (HFILES): Add freebsd.h.
1830         * configure, Makefile.in, config.in: Rebuild.
1831
1832         * merge.cc (do_add_input_section): Correct pend value.  Change
1833         message about last entry not being null terminated from error to
1834         warning.
1835
1836 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
1837
1838         * incremental.cc: New file.
1839         * Makefile.am (CCFILES): Add incremental.cc.
1840         * Makefile.in: Rebuild.
1841
1842 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
1843
1844         * layout.cc (Layout::output_section_name): Preserve names
1845         of '.note.' sections.
1846         
1847 2009-03-19  Ian Lance Taylor  <iant@google.com>
1848
1849         * descriptors.cc (Descriptors::open): Check that the options are
1850         valid before using them.
1851
1852 2009-03-18  Ian Lance Taylor  <iant@google.com>
1853
1854         * script-sections.h: Include <list>.
1855         (class Script_sections): Change Sections_elements from std::vector
1856         to std::list.  Typedef public Elements_iterator.  Add
1857         orphan_section_placement_, data_segment_align_start_, and
1858         saw_data_segment_align_ fields.  Remove data_segment_align_index_
1859         field.
1860         * script-sections.cc (class Orphan_section_placement): New class.
1861         (class Sections_element): Add virtual functions is_relro and
1862         orphan_section_init.  Remove virtual function place_orphan_here.
1863         (class Output_section_definition): Add is_relro and
1864         orphan_section_init.  Remove place_orphan_here.
1865         (class Orphan_output_section): Likewise.
1866         (Script_sections::Script_sections): Update for field changes.
1867         (Script_sections::data_segment_align): Set saw_data_segment_align_
1868         and data_segment_align_start_, not data_segment_align_index.
1869         (Script_sections::data_segment_relro_end): Check
1870         saw_data_segment_align_.  Use data_segment_align_start_ rather
1871         than data_segment_align_index_.
1872         (Script_sections::place_orphan): Rewrite to use
1873         Orphan_section_placement.
1874
1875 2009-03-17  Ian Lance Taylor  <iant@google.com>
1876
1877         * archive.cc (Archive::add_symbols): Check for a version attached
1878         to the symbol name in the archive map.
1879         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
1880         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
1881         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
1882         (ver_test_11.a): New target.
1883         * testsuite/Makefile.in: Rebuild.
1884
1885         * configure.ac: Check for chsize and posix_fallocate.  Replace
1886         ftruncate.
1887         * ftruncate.c: New file, from gnulib.
1888         * output.cc (posix_fallocate): Define dummy version if not
1889         HAVE_POSIX_FALLOCATE.
1890         (Output_file::map): Call posix_fallocate rather than lseek and
1891         write.
1892         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
1893         * configure, Makefile.in, config.in: Rebuild.
1894
1895 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
1896         
1897         * layout.h (Layout::create_note): Add section_name parameter.
1898         * layout.cc (Layout::create_note): Likewise.
1899         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
1900         
1901 2009-03-17  Ian Lance Taylor  <iant@google.com>
1902
1903         * descriptors.cc: Include "options.h".
1904         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
1905         (Descriptors::open): Always use O_CLOEXEC when opening a new
1906         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
1907         then set FD_CLOEXEC.
1908
1909         * sparc.cc (class Target_sparc): Add has_got_section.
1910         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
1911         make sure we have a GOT section.
1912
1913         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
1914         (Target_sparc::Scan::local): Likewise.
1915         (Target_sparc::Scan::global): Likewise.
1916         (Target_sparc::Relocate::relocate): Likewise.
1917         (Target_sparc::Relocate::relocate_tls): Likewise.
1918
1919         * symtab.cc (Symbol_table::define_default_version): New function,
1920         broken out of add_from_object.
1921         (Symbol_table::add_from_object): Call define_default_version.
1922         (Symbol_table::define_special_symbol): Add resolve_oldsym
1923         parameter.  Change all callers.  If the version for a symbol comes
1924         from a version script, resolve it with the symbol with the same
1925         name with no version.  Also add the symbol without a version if
1926         appropriate.
1927         (do_define_in_output_data): If resolving with oldsym, don't delete
1928         sym.
1929         (do_define_in_output_segment): Likewise.
1930         (do_define_as_constant): Likewise.
1931         * symtab.h (class Symbol_table): Update declarations.
1932
1933 2009-03-13  Ian Lance Taylor  <iant@google.com>
1934
1935         * readsyms.cc (Read_symbols::incompatible_warning): New function.
1936         (Read_symbols::requeue): New function.
1937         (Read_symbols::do_read_symbols): If make_elf_object fails because
1938         the target type is not configured, and the file was searched for,
1939         issue a warning and retry with the next directory.
1940         (Add_symbols::run): If the file has an incompatible format, and
1941         it was searched for, requeue the Read_symbols task.  On error,
1942         release the object.
1943         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
1944         dirindex parameter to constructor.  Change all callers.  Declare
1945         incompatible_warning and requeue.
1946         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
1947         input_argument_ and input_group_ fields.  Add them to
1948         constructor.  Change all callers.
1949         (class Read_script): Add dirindex_ field.  Add it to constructor.
1950         Change all callers.
1951         * archive.cc (Archive::setup): Remove input_objects parameter.
1952         Change all callers.
1953         (Archive::get_file_and_offset): Likewise.
1954         (Archive::read_all_symbols): Likewise.
1955         (Archive::read_symbols): Likewise.
1956         (Archive::get_elf_object_for_member): Remove input_objects
1957         parameter.  Add punconfigured parameter.  Change all callers.
1958         (Archive::add_symbols): Change return type to bool.  Check return
1959         value of include_member.
1960         (Archive::include_all_members): Likewise.
1961         (Archive::include_member): Change return type to bool.  Return
1962         false if first included object has incompatible target.  Set
1963         included_member_ field.
1964         (Add_archive_symbols::run): If add_symbols returns false, requeue
1965         Read_symbols task.
1966         * archive.h (class Archive): Add included_member_ field.
1967         Initialize it in constructor.  Add input_file and searched_for
1968         methods.  Update declarations.
1969         (class Add_archive_symbols): Add dirpath_, dirindex_, and
1970         input_argument_ fields.  Add them to constructor.  Change all
1971         callers.
1972         * script.cc: Include "target-select.h".
1973         (class Parser_closure): Add skip_on_incompatible_target_ and
1974         found_incompatible_target_ fields.  Add
1975         skip_on_incompatible_target parameter to constructor.  Change all
1976         callers.  Add methods skip_on_incompatible_target,
1977         clear_skip_on_incompatible_target, found_incompatible_target, and
1978         set_found_incompatible_target.
1979         (read_input_script): Add dirindex parameter.  Change all callers.
1980         If parser finds an incompatible target, requeue Read_symbols
1981         task.
1982         (script_set_symbol): Clear skip_on_incompatible_target in
1983         closure.
1984         (script_add_assertion, script_parse_option): Likewise.
1985         (script_start_sections, script_add_phdr): Likewise.
1986         (script_check_output_format): New function.
1987         * script.h (read_input_script): Update declaration.
1988         * script-c.h (script_check_output_format): Declare.
1989         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
1990         (ignore_cmd): Remove OUTPUT_FORMAT.
1991         * fileread.cc (Input_file::Input_file): Add explicit this.
1992         (Input_file::will_search_for): New function.
1993         (Input_file::open): Add pindex parameter.  Change all callers.
1994         * fileread.h (class Input_file): Add input_file_argument method.
1995         Declare will_search_for.  Update declarations.
1996         * object.cc (make_elf_object): Add punconfigured parameter.
1997         Change all callers.
1998         * object.h (class Object): Make input_file public.  Add
1999         searched_for method.
2000         (make_elf_object): Update declaration.
2001         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
2002         restart search.
2003         * dirsearch.h (class Dirsearch): Update declaration.
2004         * options.h (class General_options): Add --warn-search-mismatch.
2005         * parameters.cc (Parameters::is_compatible_target): New function.
2006         * parameters.h (class Parameters): Declare is_compatible_target.
2007         * workqueue.cc (Workqueue::add_blocker): New function.
2008         * workqueue.h (class Workqueue): Declare add_blocker.
2009
2010         * fileread.cc (Input_file::open): Remove options parameter.
2011         Change all callers.
2012         (Input_file::open_binary): Likewise.
2013         * script.cc (read_input_script): Likewise.
2014         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
2015         options parameter from constructor.  Change all callers.
2016         (class Read_script): Likewise.
2017         * fileread.h (class Input_file): Update declarations.
2018         * script.h (read_input_script): Update declaration.
2019
2020 2009-03-10  Nick Clifton  <nickc@redhat.com>
2021
2022         * po/es.po: New Spanish translation.
2023
2024 2009-03-06  Cary Coutant  <ccoutant@google.com>
2025
2026         * options.cc (parse_short_option): Keep dash_z from registering itself.
2027
2028 2009-03-03  Ian Lance Taylor  <iant@google.com>
2029
2030         PR 9918
2031         * target-reloc.h (relocate_section): Pass output_section to
2032         relocate.
2033         * i386.cc (Target_i386::should_apply_static_reloc): Add
2034         output_section parameter.  Change all callers.
2035         (Target_i386::Relocate::relocate): Add output_section parameter.
2036         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
2037         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
2038         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
2039         * testsuite/two_file_shared.sh: New script.
2040         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
2041         (check_DATA): Add two_file_shared.dbg.
2042         (two_file_shared.dbg): New target.
2043         * testsuite/Makefile.in: Rebuild.
2044
2045 2009-03-01  Ian Lance Taylor  <iant@google.com>
2046
2047         * configure.ac: Check for byteswap.h.
2048         * configure: Rebuild.
2049         * config.in: Rebuild.
2050
2051 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
2052
2053         * layout.cc (Layout::find_or_add_kept_section): New function.
2054         (Layout::add_comdat): Removed.
2055         * layout.h (struct Kept_section): Move out of class Layout.
2056         Remove trailing underscores from field names.  Add group_sections
2057         field.  Rename group_ field to is_group.  Change all uses.
2058         (class Layout): Declare find_or_add_kept_section, not add_comdat.
2059         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
2060         comdat_groups_ field.
2061         (Sized_relobj::include_section_group): Use
2062         find_or_add_kept_section and Kept_section::group_sections.
2063         (Sized_relobj::include_linkonce_section): Likewise.
2064         * object.cc (class Sized_relobj): Don't define Comdat_group or
2065         Comdat_group_table.  Remove find_comdat_group and
2066         add_comdat_group.  Remove comdat_groups_ field.
2067         * plugin.cc (include_comdat_group): Use
2068         Layout::find_or_add_kept_section.
2069
2070 2009-02-28  Ian Lance Taylor  <iant@google.com>
2071
2072         * README: --gc-sections and map files are now supported.  Document
2073         some build requirements.
2074
2075         PR 6992
2076         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
2077         relocatable link set the value of the section symbol to zero.
2078         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
2079         relocatable link don't include the section address in the local
2080         symbol value.
2081
2082 2009-02-27  Ian Lance Taylor  <iant@google.com>
2083
2084         PR 6811
2085         * options.h (class Search_directory): Add is_system_directory.
2086         (class General_options): Declare is_in_system_directory.
2087         * options.cc (get_relative_sysroot): Make static.
2088         (get_default_sysroot): Make static.
2089         (General_optoins::is_in_system_directory): New function.
2090         * fileread.cc (Input_file::is_in_system_directory): New function.
2091         * fileread.h (class Input_file): Declare is_in_system_directory.
2092         * object.h (class Object): Add is_in_system_directory.
2093         (class Input_objects): Remove system_library_directory_ field.
2094         * object.cc (Input_objects::add_object): Don't set
2095         system_library_directory_.
2096         (input_objects::found_in_system_library_directory): Remove.
2097         * symtab.cc (Symbol_table::write_globals): Remove input_objects
2098         parameter.  Change all callers.
2099         (Symbol_table::sized_write_globals): Likewise.
2100         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
2101         Call Object::is_in_system_directory.
2102         * symtab.h (class Symbol_table): Update declarations.
2103
2104         PR 5990
2105         * descriptors.h (Open_descriptor): Add is_on_stack field.
2106         * descriptors.cc (Descriptors::open): If the descriptor is on the
2107         top of the stack, remove it.  Initialize is_on_stack field.
2108         (Descriptors::release): Only add pod to stack if it is not on the
2109         stack already.
2110         (Descriptors::close_some_descriptor): Clear stack_next and
2111         is_on_stack fields.
2112
2113         PR 7091
2114         * output.cc (Output_section::find_starting_output_address): Rename
2115         from starting_output_address; add PADDR parameter; change return
2116         type.
2117         * output.h (class Output_section): Declare
2118         find_starting_output_address instead of starting_output_address.
2119         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
2120         section symbol for which we can't find a merge section.
2121
2122         PR 9836
2123         * symtab.cc (Symbol_table::add_from_object): If the visibility is
2124         hidden or internal, force the symbol to be local.
2125         * resolve.cc (Symbol::override_visibility): Define.
2126         (Symbol::override_base): Use override_visibility.
2127         (Symbol_table::resolve): Likewise.
2128         (Symbol::override_base_with_special): Likewise.
2129         (Symbol_table::override_with_special): If the visibility is hidden
2130         or internal, force the symbol to be local.
2131         * symtab.h (class Symbol): Add set_visibility and
2132         override_visibility.
2133         * testsuite/ver_test_1.sh: New file.
2134         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
2135         (check_DATA): Add ver_test_1.syms.
2136         (ver_test_1.syms): New target.
2137         * testsuite/Makefile.in: Rebuild.
2138
2139 2009-02-25  Cary Coutant  <ccoutant@google.com>
2140
2141         * layout.cc (Layout::choose_output_section): Don't rename sections
2142         when using a linker script that has a SECTIONS clause.
2143         * Makefile.in: Regenerate.
2144
2145         * testsuite/Makefile.am (script_test_5.sh): New test case.
2146         * testsuite/Makefile.in: Regenerate.
2147         * testsuite/script_test_5.cc: New file.
2148         * testsuite/script_test_5.sh: New file.
2149         * testsuite/script_test_5.t: New file.
2150
2151 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
2152
2153         * archive.cc (Archive::include_member): Update calls to add_symbols.
2154         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
2155         the Layout argument.
2156         * dynobj.h (do_add_symbols): Add the Layout argument.
2157         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
2158         Layout argument.
2159         * object.h (Object::add_symbols): Add the Layout argument.
2160         (Object::do_add_symbols): Add the Layout argument.
2161         (Sized_relobj::do_add_symbols): Add the Layout argument.
2162         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
2163         Unify the two versions.
2164         (Add_plugin_symbols): Remove.
2165         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
2166         (Sized_pluginobj::do_add_symbols): Unify the two versions.
2167         (Add_plugin_symbols): Remove.
2168         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
2169         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
2170         (Add_symbols::run): Make it work with Pulginobj.
2171
2172 2009-02-06  Ian Lance Taylor  <iant@google.com>
2173
2174         * object.cc (Sized_relobj::do_layout): Make info message start
2175         with lower case letter.
2176
2177 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
2178
2179         * binary.cc: Fix file comment.
2180
2181         * options.h (enum Incremental_disposition): Define.
2182         (class General_options): Add new options: --incremental,
2183         --incremental_changed, --incremental_unchanged,
2184         --incremental_unknown.  Add incremental_disposition_ and
2185         implicit_incremental_ fields.
2186         (General_options::incremental_disposition): New function.
2187         (class Position_dependent_options): Add incremental_disposition
2188         option.
2189         (Position_dependent_options::copy_from_options): Set incremental
2190         dispositions.
2191         * options.cc (General_options::parse_incremental_changed): New
2192         function.
2193         (General_options::parse_incremental_unchanged): New function.
2194         (General_options::parse_incremental_unknown): New function.
2195         (General_options::General_options): Initialize new fields
2196         incremental_disposition_ and implicit_incremental_.
2197         (General_options::finalize): Check for uasge of --incremental-*
2198         without --incremental.
2199
2200 2009-02-06  Chris Demetriou  <cgd@google.com>
2201
2202         * gold.h (gold_undefined_symbol): Change to take only a Symbol
2203         pointer and to report location as the file name associated with
2204         the symbol.
2205         (gold_undefined_symbol_at_location): New function to replace the
2206         old gold_undefined_symbol functionality.
2207         * target-reloc.h (relocate_section): Update to use
2208         gold_undefined_symbol_at_location.
2209         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
2210         Call gold_undefined_symbol function rather than gold_error.
2211         * errors.h (Errors::undefined_symbol): Take location as a
2212         string, rather than calculating it from a relocation.
2213         * errors.cc (Errors::fatal): Print "fatal error:" before the
2214         formatted message.
2215         (Errors::error, Errors::error_at_location): Print "error: "
2216         before the formatted message.
2217         (Errors::undefined_symbol): Take location as a string, rather
2218         than calculating it from a relocation.
2219         (gold_undefined_symbol_at_location): New function akin to
2220         old gold_undefined_symbol, calculates location from relocation.
2221         (gold_undefined_symbol): Change to take only a Symbol pointer
2222         and to report location as the file name associated with the symbol.
2223         * testsuite/debug_msg.sh: Update for changed error messages.
2224         * testsuite/undef_symbol.sh: Likewise.
2225
2226 2009-02-04  Duncan Sands  <baldrick@free.fr>
2227
2228         PR 9812
2229         * reduced_debug_output.h
2230         (Output_reduced_debug_abbrev_section::failed): Use format for
2231         gold_warning.
2232         (Output_reduced_debug_info_section::faild): Likewise.
2233
2234 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
2235
2236         * script.cc (Lazy_demangler): New class.
2237         (Version_script_info::get_symbol_version_helper): Demangle a
2238         symbol only once.
2239
2240 2009-01-29  Cary Coutant  <ccoutant@google.com>
2241
2242         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
2243         to __tls_get_addr.
2244         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
2245
2246 2009-01-28  Ian Lance Taylor  <iant@google.com>
2247
2248         * version.cc (version_string): Bump to 1.9.
2249
2250         * gold.h: Include <cstring> and <stdint.h>.
2251         * version.cc: Include <cstdio>.
2252         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
2253         warning.
2254         * reduced_debug_output.cc (insert_into_vector): Rename from
2255         Insert_into_vector; change all callers.  Use Swap_unaligned to
2256         avoid aliasing issue; remove union since it is unnecessary.
2257
2258 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
2259
2260         * Makefile.am (CCFILES): Add gc.cc.
2261         (HFILES): Add gc.h.
2262         * Makefile.in: Regenerate.
2263         * gold.cc (Gc_runner): New class.
2264         (queue_initial_tasks): Call garbage collection related tasks
2265         when corresponding options are invoked.
2266         (queue_middle_gc_tasks): New function.
2267         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
2268         processed early before laying out sections during garbage collection.
2269         * gold.h (queue_middle_gc_tasks): New function.
2270         (is_prefix_of): Move from "layout.cc".
2271         * i386.cc (Target_i386::gc_process_relocs): New function.
2272         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
2273         * main.cc (main): Create object of class "Garbage_collection".
2274         * object.cc (Relobj::copy_symbols_data): New function.
2275         (Relobj::is_section_name_included): New function.
2276         (Sized_relobj::do_layout): Allow this function to be called twice 
2277         during garbage collection and defer layout of section during the 
2278         first call.
2279         * object.h (Relobj::get_symbols_data): New function.
2280         (Relobj::is_section_name_included): New function.
2281         (Relobj::copy_symbols_data): New function.
2282         (Relobj::set_symbols_data): New function.
2283         (Relobj::get_relocs_data): New function.
2284         (Relobj::set_relocs_data): New function.
2285         (Relobj::is_output_section_offset_invalid): New pure virtual function.
2286         (Relobj::gc_process_relocs): New function.
2287         (Relobj::do_gc_process_relocs): New pure virtual function.
2288         (Relobj::sd_): New data member.
2289         (Sized_relobj::is_output_section_offset_invalid): New function.
2290         (Sized_relobj::do_gc_process_relocs): New function.
2291         * options.h (General_options::gc_sections): Modify to not be a no-op.
2292         (General_options::print_gc_sections): New option.
2293         * plugin.cc (Plugin_finish::run): Remove function call to
2294         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
2295         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
2296         * reloc.cc (Read_relocs::run): Add task to process relocs and
2297         determine unreferenced sections when doing garbage collection.
2298         (Gc_process_relocs): New class.
2299         (Sized_relobj::do_gc_process_relocs): New function.
2300         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
2301         sections that are garbage collected.
2302         * reloc.h (Gc_process_relocs): New class.
2303         * sparc.cc (Target_sparc::gc_process_relocs): New function.
2304         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
2305         symbols whose corresponding sections are garbage collected.
2306         (Symbol_table::Symbol_table): Add new parameter for the garbage
2307         collection object.
2308         (Symbol_table::gc_mark_undef_symbols): New function.
2309         (Symbol_table::gc_mark_symbol_for_shlib): New function.
2310         (Symbol_table::gc_mark_dyn_syms): New function.
2311         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
2312         as garbage.
2313         (Symbol_table::add_from_object): Likewise.
2314         (Symbol_table::add_from_relobj): When building shared objects, do not
2315         treat externally visible symbols as garbage.
2316         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
2317         table information for static and relocatable links.
2318         * symtab.h (Symbol_table::set_gc): New function.
2319         (Symbol_table::gc): New function.
2320         (Symbol_table::gc_mark_undef_symbols): New function.
2321         (Symbol_table::gc_mark_symbol_for_shlib): New function.
2322         (Symbol_table::gc_mark_dyn_syms): New function.
2323         (Symbol_table::gc_): New data member.
2324         * target.h (Sized_target::gc_process_relocs): New pure virtual 
2325         function.
2326         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
2327         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
2328
2329 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
2330
2331         * options.h (General_options::gc_sections): Define as a no-op for now.
2332         (General_options::no_keep_memory): Ditto.
2333         (General_options::Bshareable): Define.
2334         * options.cc (General_options::finalize): Honor -Bshareable.
2335
2336 2009-01-20  Andreas Schwab  <schwab@suse.de>
2337
2338         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
2339         read the value in the contents, since we don't use it.  Use the
2340         template endianness when writing.
2341         (Relocate::relocate): Use it for R_PPC_REL16_HA.
2342
2343 2009-01-19  Andreas Schwab  <schwab@suse.de>
2344
2345         * configure.tgt (powerpc64-*): Fix targ_obj.
2346
2347 2009-01-15  Ian Lance Taylor  <iant@google.com>
2348
2349         * object.cc (Sized_relobj::write_local_symbols): Don't write out
2350         local symbols when stripping all symbols.
2351
2352 2009-01-14  Cary Coutant  <ccoutant@google.com>
2353
2354         * output.cc (Output_reloc): Add explicit instantiations.
2355
2356 2009-01-14  Cary Coutant  <ccoutant@google.com>
2357
2358         * archive.cc (Archive::get_elf_object_for_member): Remove call
2359         to File_read::claim_for_plugin.
2360         * descriptors.cc (Descriptors::open): Remove reference to
2361         is_claimed.
2362         (Descriptors::claim_for_plugin): Remove.
2363         * descriptors.h (Descriptors::claim_for_plugin): Remove.
2364         (Descriptors::is_claimed): Remove.
2365         (claim_descriptor_for_plugin): Remove.
2366         * fileread.cc (File_read::claim_for_plugin): Remove.
2367         * fileread.h (File_read::claim_for_plugin): Remove.
2368         (File_read::descriptor): Reopen descriptor if necessary.
2369         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
2370         (Plugin_manager::all_symbols_read): Add task parameter. Change
2371         all callers.
2372         (Plugin_manager::get_input_file): New function.
2373         (Plugin_manager::release_input_file): New function.
2374         (Pluginobj::Pluginobj): Add filesize parameter and initialize
2375         corresponding data member.
2376         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
2377         and pass to base constructor. Change all callers.
2378         (get_input_file, release_input_file): New functions.
2379         (make_sized_plugin_object): Add filesize parameter. Change all callers.
2380         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
2381         (Plugin_manager::all_symbols_read): Add task parameter.
2382         (Plugin_manager::get_input_file): New function.
2383         (Plugin_manager::release_input_file): New function.
2384         (Plugin_manager::task_): New data member.
2385         (Pluginobj::Pluginobj): Add filesize parameter.
2386         (Pluginobj::filename): New function.
2387         (Pluginobj::descriptor): New function.
2388         (Pluginobj::filesize): New function.
2389         (Pluginobj::filesize_): New data member.
2390         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
2391         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
2392         File_read::claim_for_plugin; use Object::unlock to unlock the file.
2393
2394         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
2395         with archive libraries.
2396         * testsuite/Makefile.in: Regenerate.
2397         * testsuite/plugin_test.c (struct sym_info): New type.
2398         (get_input_file, release_input_file): New static variables.
2399         (onload): Capture new transfer vector entries.
2400         (claim_file_hook): Stop reading at end of file according to filesize.
2401         Factor out parsing of readelf output into separate function.
2402         (all_symbols_read_hook): Exercise get_input_file and release_input_file
2403         APIs and get the source file name from the symbol table.  Convert
2404         source file name to corresponding object file name.  Print info
2405         message when adding new input files.
2406         (parse_readelf_line): New function.
2407         * testsuite/plugin_test_1.sh: Add checks for new info messages.
2408         * testsuite/plugin_test_2.sh: Likewise.
2409         * testsuite/plugin_test_3.sh: Likewise.
2410         * testsuite/plugin_test_4.sh: New test case.
2411
2412 2009-01-07  Ian Lance Taylor  <iant@google.com>
2413
2414         * version.cc (version_string): Bump to 1.8.
2415
2416 2008-12-23  Cary Coutant  <ccoutant@google.com>
2417
2418         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
2419         * plugin.cc (Plugin_manager::finish): Rename as
2420         layout_deferred_objects.  Move cleanup to separate function.
2421         (Plugin_manager::cleanup): New function.
2422         (Plugin_finish::run): Call layout_deferred_objects and cleanup
2423         separately.
2424         * plugin.h (Plugin_manager::finish): Rename as
2425         layout_deferred_objects.
2426         (Plugin_manager::cleanup): New function.
2427         (Plugin_manager::cleanup_done): New field.
2428
2429 2008-12-23  Cary Coutant  <ccoutant@google.com>
2430
2431         * plugin.cc (is_visible_from_outside): New function.
2432         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
2433         so we don't return "IR only" status for exported symbols or -r links.
2434
2435         * testsuite/Makefile.am (plugin_test_3): New test case.
2436         * testsuite/Makefile.in: Regenerate.
2437         * testsuite/plugin_test_3.sh: New file.
2438
2439 2008-12-22  Cary Coutant  <ccoutant@google.com>
2440
2441         * object.cc (Sized_relobj::layout_section): New function.
2442         (Sized_relobj::do_layout): Defer layout of input sections until after
2443         plugin has provided replacement files.
2444         (Sized_relobj::do_layout_deferred_sections): New function.
2445         * object.h (Relobj::set_section_offset): Remove virtual keyword.
2446         (Relobj::layout_deferred_sections): New function.
2447         (Relobj::do_layout_deferred_sections): New function.
2448         (Sized_relobj::do_layout_deferred_sections): New function.
2449         (Sized_relobj::layout_section): New function.
2450         (Sized_relobj::Deferred_layout): New structure.
2451         (Sized_relobj::deferred_layout_): New field.
2452         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
2453         Change all callers.  Layout deferred sections.
2454         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
2455         references.
2456         (Plugin_hook::run): Move code from do_plugin_hook inline.
2457         (Plugin_hook::do_plugin_hook): Remove.
2458         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
2459         (Plugin_manager::finish): Renamed, was cleanup.
2460         (Plugin_manager::should_defer_layout): New function.
2461         (Plugin_manager::add_deferred_layout_object): New function.
2462         (Plugin_manager::Deferred_layout_list): New type.
2463         (Plugin_manager::deferred_layout_objects_): New field.
2464         (Plugin_hook::do_plugin_hook): Remove.
2465
2466 2008-12-17  Ian Lance Taylor  <iant@google.com>
2467
2468         * options.h (class General_options): Add --no case for
2469         --export-dynamic.
2470
2471 2008-12-16  Cary Coutant  <ccoutant@google.com>
2472
2473         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
2474         vector.
2475         (Plugin_manager::claim_file): Create plugin object even if
2476         plugin did not call the add_symbols callback.
2477         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
2478         asking for more symbols than were added.
2479         * testsuite/Makefile.am (plugin_test_1): Add test case with
2480         no global symbols.
2481         (empty.syms): New target.
2482         * testsuite/Makefile.in: Regenerate.
2483         * testsuite/plugin_test.c (claim_file_hook): Add new debug
2484         message. Don't call add_symbols if no globals.
2485         (all_symbols_read_hook): Don't provide replacement for empty
2486         claimed file.
2487
2488 2008-12-12  Ian Lance Taylor  <iant@google.com>
2489
2490         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
2491         r_type == 0 for a local symbol with r_sym == 0.
2492         (scan_relocatable_relocs): Pass r_sym to
2493         local_non_section_strategy.
2494         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
2495         r_sym parameter.
2496
2497         * configure.ac: Update test for TLS descriptors: they are
2498         supported as of glibc 2.9.
2499         * configure: Rebuild.
2500
2501 2008-12-11  Ian Lance Taylor  <iant@google.com>
2502
2503         PR 7091
2504         * target-reloc.h (Default_scan_relocatable_relocs): For each
2505         function, map r_type == 0 to RELOC_DISCARD.
2506
2507 2008-12-10  Cary Coutant  <ccoutant@google.com>
2508
2509         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
2510         object to override a kept COMDAT group from a plugin object.
2511
2512 2008-12-09  Ian Lance Taylor  <iant@google.com>
2513
2514         PR 7088
2515         * yyscript.y (file_cmd): Handle INPUT.
2516
2517         * testsuite/initpri1.c: Change all declarations to be full
2518         prototypes by adding void, to avoid compiler warnings.
2519
2520 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
2521
2522         * options.cc (General_options::parse_plugin_opt): New.
2523         (General_options::add_plugin): The argument now is just the filename.
2524         (General_options::add_plugin_option): New.
2525         * options.h (plugin_opt): New.
2526         (add_plugin): Change argument name.
2527         (add_plugin_option): New.
2528         * plugin.cc (Plugin::load): Don't parse the plugin option.
2529         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
2530         (Plugin::add_option): New.
2531         (Plugin::args_): Change type.
2532         (Plugin::filename_): New.
2533         (Plugin_manager::add_plugin_option): New.
2534         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
2535         * testsuite/Makefile.in: Regenerate.
2536
2537 2008-12-05  Cary Coutant  <ccoutant@google.com>
2538
2539         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
2540         Handle --strip-lto-sections option.
2541         * options.h (strip_lto_sections): New option.
2542
2543 2008-12-01  Cary Coutant  <ccoutant@google.com>
2544
2545         * plugin.cc (ld_plugin_message): Change format parameter to const.
2546         Fix mismatch between new[] and delete.
2547
2548 2008-11-14  Cary Coutant  <ccoutant@google.com>
2549
2550         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
2551         instead of -1U.
2552
2553 2008-11-05  Craig Silverstein  <csilvers@google.com>
2554
2555         * options.cc (General_options::parse_dynamic_list): New function.
2556         * options.h (General_options): New flags dynamic_list,
2557         dynamic_list_data, dynamic_list_cpp_new, and
2558         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
2559         (General_options::in_dynamic_list): New function.
2560         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
2561         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
2562         (Lex::can_continue_name): Likewise.
2563         (yylex): Likewise.
2564         (read_script_file): New parameter script_options.
2565         (read_dynamic_list): New function.
2566         (Script_options::define_dynamic_list): New function.
2567         (dynamic_list_keyword_parsecodes): New variable.
2568         (dynamic_list_keywords): New variable.
2569         * script.h (Script_options::define_dynamic_list): New function
2570         prototype.
2571         (read_dynamic_list): New function prototype.
2572         * symtab.cc (strprefix): New macro.
2573         (Symbol::should_add_dynsym_entry): Support dynamic_list,
2574         dynamic_list_data, dynamic_list_cpp_new, and
2575         dynamic_list_cpp_typeinfo.
2576         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
2577         (dynamic_list_expr): New rule.
2578         (dynamic_list_nodes): Likewise.
2579         (dynamic_list_node): Likewise.
2580         * testsuite/Makefile.am (dynamic_list): New test.
2581         * testsuite/Makefile.in: Regenerated.
2582         * testsuite/dynamic_list.t: New file.
2583         * testsuite/dynamic_list.sh: New file.
2584
2585 2008-11-05  Craig Silverstein  <csilvers@google.com>
2586
2587         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
2588         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
2589         (t11_last): Likewise.
2590         * testsuite/ver_test_6.c (main): Likewise.
2591
2592 2008-10-07  Cary Coutant  <ccoutant@google.com>
2593
2594         * options.c (General_options::finalize): Add check for -static and
2595         -shared.
2596         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
2597         is not empty.
2598
2599 2008-10-02  Cary Coutant  <ccoutant@google.com>
2600
2601         * plugin.cc (make_sized_plugin_object): Fix conditional
2602         compilation to work when not all targets are enabled.
2603
2604 2008-09-29  Cary Coutant  <ccoutant@google.com>
2605
2606         * archive.cc (Archive::get_file_and_offset): Use filename instead
2607         of name to get library path.
2608         (Archive::include_member): Unlock external member of a thin archive.
2609
2610         * testsuite/Makefile.am (TEST_AR): New variable.
2611         (thin_archive_test_1): New test.
2612         (thin_archive_test_2): New test.
2613         * testsuite/Makefile.in: Regenerate.
2614         * testsuite/thin_archive_main.cc: New file.
2615         * testsuite/thin_archive_test_1.cc: New file.
2616         * testsuite/thin_archive_test_2.cc: New file.
2617         * testsuite/thin_archive_test_3.cc: New file.
2618         * testsuite/thin_archive_test_4.cc: New file.
2619
2620 2008-09-29  Cary Coutant  <ccoutant@google.com>
2621
2622         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
2623         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
2624         instead of -1U.
2625         (Sized_relobj::do_finalize_local_symbols): Likewise.
2626         (Sized_relobj::map_to_kept_section): Likewise.
2627         * object.h (Sized_relobj::invalid_address): New constant.
2628         (Sized_relobj::do_output_section_offset): Check for invalid_address
2629         and return -1ULL.
2630         * output.cc (Output_reloc::local_section_offset): Use constant
2631         invalid_address instead of -1U.
2632         (Output_reloc::get_address): Likewise.
2633         (Output_section::output_address): Change -1U to -1ULL.
2634         * output.h (Output_reloc::invalid_address): New constant.
2635         * reloc.cc (Sized_relobj::write_sections): Use constant
2636         invalid_address instead of -1U.
2637         (Sized_relobj::relocate_sections): Likewise.
2638         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
2639         values for merge sections.
2640         * target-reloc.h (relocate_for_relocatable): Use constant
2641         invalid_address instead of -1U.
2642
2643 2008-09-19  Cary Coutant  <ccoutant@google.com>
2644
2645         Add plugin functionality for link-time optimization (LTO).
2646         * configure.ac (plugins): Add --enable-plugins option.
2647         * configure: Regenerate.
2648         * config.in: Regenerate.
2649         * Makefile.am (LIBDL): New variable.
2650         (CCFILES): Add plugin.cc.
2651         (HFILES): Add plugin.h.
2652         (ldadd_var): Add LIBDL.
2653         * Makefile.in: Regenerate.
2654
2655         * archive.cc: Include "plugin.h".
2656         (Archive::setup): Don't preread archive symbols when using a plugin.
2657         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
2658         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
2659         files.
2660         (Archive::include_member): Add symbols from plugin objects.
2661         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
2662         * descriptors.cc (Descriptors::open): Check for file descriptors
2663         abandoned by plugins.
2664         (Descriptors::claim_for_plugin): New function.
2665         * descriptors.h (Descriptors::claim_for_plugin): New function.
2666         (Open_descriptor::is_claimed): New field.
2667         (claim_descriptor_for_plugin): New function.
2668         * fileread.cc (File_read::claim_for_plugin): New function.
2669         * fileread.h (File_read::claim_for_plugin): New function.
2670         (File_read::descriptor): New function.
2671         * gold.cc: Include "plugin.h".
2672         (queue_initial_tasks): Add task to call plugin hooks for generating
2673         new object files.
2674         * main.cc: Include "plugin.h".
2675         (main): Load plugin libraries.
2676         * object.h (Pluginobj): Declare.
2677         (Object::pluginobj): New function.
2678         (Object::do_pluginobj): New function.
2679         (Object::set_target): New function.
2680         * options.cc: Include "plugin.h".
2681         (General_options::parse_plugin): New function.
2682         (General_options::General_options): Initialize plugins_ field.
2683         (General_options::add_plugin): New function.
2684         * options.h (Plugin_manager): Declare.
2685         (General_options): Add --plugin option.
2686         (General_options::has_plugins): New function.
2687         (General_options::plugins): New function.
2688         (General_options::add_plugin): New function.
2689         (General_options::plugins_): New field.
2690         * plugin.cc: New file.
2691         * plugin.h: New file.
2692         * readsyms.cc: Include "plugin.h".
2693         (Read_symbols::do_read_symbols): Check for archive before checking
2694         for ELF file.  Call plugin hooks to claim files.
2695         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
2696         from a real object file; force override when processing replacement
2697         files.
2698         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
2699         (Symbol::init_base_object): Likewise.
2700         (Symbol::init_base_output_data): Likewise.
2701         (Symbol::init_base_output_segment): Likewise.
2702         (Symbol::init_base_constant): Likewise.
2703         (Symbol::init_base_undefined): Likewise.
2704         (Symbol::output_section): Assert that object is not a plugin.
2705         (Symbol_table::add_from_pluginobj): New function.
2706         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
2707         undefined.
2708         (Symbol_table::sized_write_globals): Likewise.
2709         (Symbol_table::add_from_pluginobj): Instantiate template.
2710         * symtab.h (Sized_pluginobj): Declare.
2711         (Symbol::in_real_elf): New function.
2712         (Symbol::set_in_real_elf): New function.
2713         (Symbol::in_real_elf_): New field.
2714         (Symbol_table::add_from_pluginobj): New function.
2715
2716         * testsuite/Makefile.am (AM_CFLAGS): New variable.
2717         (LIBDL): New variable.
2718         (LDADD): Add LIBDL.
2719         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
2720         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
2721         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
2722         (MOSTLYCLEANFILES): Likewise.
2723         * testsuite/Makefile.in: Regenerate.
2724         * testsuite/plugin_test.c: New file.
2725         * testsuite/plugin_test_1.sh: New file.
2726         * testsuite/plugin_test_2.sh: New file.
2727
2728 2008-09-16  Ian Lance Taylor  <iant@google.com>
2729
2730         * target-reloc.h (relocate_section): Check whether a symbol is
2731         defined by the ABI before reporting an undefined symbol error.
2732         * target.h (Target::is_defined_by_abi): Make parameter const.
2733         (Target::do_is_defined_by_abi): Likewise.
2734         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
2735         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
2736         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
2737         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
2738         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
2739         * testsuite/Makefile.in: Rebuild.
2740
2741         * fileread.cc (make_view): Add casts to avoid warning.
2742
2743 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
2744
2745         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
2746         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
2747
2748 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
2749
2750         * options.h (General_options::output_is_executable): New.
2751         (General_options::output_is_pie): New.
2752         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
2753         for shared libraries.
2754         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
2755
2756 2008-09-11  Chris Demetriou  <cgd@google.com>
2757
2758         * options.h (origin): New -z option.
2759         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
2760         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
2761         in DT_FLAGS_1.
2762
2763 2008-09-05  Cary Coutant  <ccoutant@google.com>
2764
2765         * fileread.cc (File_read::make_view): Add check for attempt to map
2766         beyond end of file.
2767
2768 2008-09-05  Cary Coutant  <ccoutant@google.com>
2769
2770         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
2771         explicit instantiations.
2772
2773 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
2774
2775         PR gold/6858
2776         * options.cc (General_options::finalize): Allow undefined symbols
2777         in shlibs if linking -shared.
2778
2779         PR gold/6859
2780         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
2781         symbols as not needing a dynsym entry.
2782
2783 2008-08-20  Craig Silverstein  <csilvers@google.com>
2784
2785         * fileread.cc (File_read::open): Do not lock the file unless it
2786         was successfully opened.
2787
2788 2008-08-14  Cary Coutant  <ccoutant@google.com>
2789
2790         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
2791         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
2792         * testsuite/tls_test.cc (struct int128): 128-bit struct
2793         for testing TLS relocs with non-zero addend.
2794         (v12): New TLS variable.
2795         (t12): New test.
2796         (t_last): Add check for v12.
2797         * testsuite/tls_test.h (t12): New function.
2798         * testsuite/tls_test_main.cc (thread_routine): Call new test.
2799
2800 2008-08-13  Ian Lance Taylor  <iant@google.com>
2801
2802         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
2803         set tls_segment_ or relro_segment_.
2804         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
2805         when appropriate.
2806         * output.h (Output_section::clear_is_relro): New function.
2807         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
2808         sections specially even when output_data_ is empty.
2809         (Output_segment::maximum_alignment): When first section is relro,
2810         only force alignment for PT_LOAD segments.
2811         * script.cc (script_data_segment_align): New function.
2812         (script_data_segment_relro_end): New function.
2813         * script-c.h (script_data_segment_align): Declare.
2814         (script_data_segment_relro_end): Declare.
2815         * script-sections.h (class Script_sections): Declare
2816         data_segment_align and data_segment_relro_end.  Add fields
2817         segment_align_index_ and saw_relro_end_.
2818         * script-sections.cc (class Sections_element): Add set_is_relro
2819         virtual function.  Add new bool* parameter to place_orphan_here.
2820         Add get_output_section virtual function.
2821         (class Output_section_definition): Add set_is_relro.  Add new
2822         bool* parameter to place_orphan_here.  Add get_output_section.
2823         Add is_relro_ field.
2824         (Output_section_definition::Output_section_definition): Initialize
2825         evaluated_address_, evaluated_load_address, evaluated_addralign_,
2826         and is_relro_ fields.
2827         (Output_section_definition::place_orphan_here): Add is_relro
2828         parameter.
2829         (Output_section_definition::set_section_addresses): Set relro for
2830         output section.
2831         (Output_section_definition::alternate_constraint): Likewise.
2832         (class Orphan_output_section): Add new bool* parameter to
2833         place_orphan_here.  Add get_output_section.
2834         (Orphan_output_section::place_orphan_here): Add is_relro
2835         parameter.
2836         (Script_sections::Script_sections): Initialize
2837         data_segment_align_index_ and saw_relro_end_.
2838         (Script_sections::data_segment_align): New function.
2839         (Script_sections::data_segment_relro_end): New function.
2840         (Script_sections::place_orphan): Set or clear is_relro.
2841         (Script_sections::set_section_addresses): Force alignment of first
2842         TLS section.
2843         * yyscript.y (exp): Call script_data_segment_align and
2844         script_data_segment_relro_end.
2845         * testsuite/relro_script_test.t: New file.
2846         * testsuite/relro_test.cc (using_script): Declare.
2847         (t1, t2): Test using_script.
2848         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
2849         (relro_script_test_SOURCES): Define.
2850         (relro_script_test_DEPENDENCIES): Define.
2851         (relro_script_test_LDFLAGS): Define.
2852         (relro_script_test_LDADD): Define.
2853         (relro_script_test.so): New target.
2854         * testsuite/Makefile.in: Rebuild.
2855
2856 2008-08-06  Cary Coutant <ccoutant@google.com>
2857
2858         * archive.cc (Archive::total_archives, Archive::total_members)
2859         (Archive::total_members_loaded): New variables.
2860         (Archive::setup): Add parameter.  Add option to preread
2861         archive symbols.
2862         (Archive::read_armap): Add counter.
2863         (Archive::get_file_and_offset): New function.
2864         (Archive::get_elf_object_for_member): New function.
2865         (Archive::read_all_symbols): New function.
2866         (Archive::read_symbols): New function.
2867         (Archive::add_symbols): Add counters.
2868         (Archive::include_all_members): Use armap to find members if it's
2869         already built.
2870         (Archive::include_member): Skip reading symbols if already read.
2871         Factored code into Archive::get_file_and_offset and
2872         Archive::get_elf_object_for_member.  Changed call to
2873         Mapfile::report_include_archive_member.
2874         (Archive::print_stats): New function.
2875         * archive.h: Declare Object and Read_symbols_data classes.
2876         (Archive::Archive): Add initializers for new members.
2877         (Archive::setup): Add parameter.
2878         (Archive::print_stats): New function.
2879         (Archive::total_archives, Archive::total_members)
2880         (Archive::total_members_loaded): New variables.
2881         (Archive::get_file_and_offset): New function.
2882         (Archive::get_elf_object_for_member): New function.
2883         (Archive::read_all_symbols): New function.
2884         (Archive::read_symbols): New function.
2885         (Archive::Archive_member): New class.
2886         (Archive::members_): New member.
2887         (Archive::num_members_): New member.
2888         * main.cc: Include archive.h.
2889         (main): Call Archive::print_stats.
2890         * mapfile.cc (Mapfile::report_include_archive_member): Delete
2891         archive parameter; member_name is now the fully-decorated name.
2892         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
2893         * options.h: (General_options): Add --preread-archive-symbols option.
2894         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
2895         Archive::setup.
2896
2897 2008-08-04  Ian Lance Taylor  <iant@google.com>
2898
2899         * symtab.h (Symbol::use_plt_offset): New function.
2900         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
2901         * powerpc.cc (Relocate::relocate): Likewise.
2902         * sparc.cc (Relocate::relocate): Likewise.
2903         * x86_64.cc (Relocate::relocate): Likewise.
2904         * testsuite/weak_plt.sh: New test.
2905         * testsuite/weak_plt_main.cc: New test.
2906         * testsuite/weak_plt_shared.cc: New test.
2907         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
2908         (check_PROGRAMS): Add weak_plt.
2909         (check_DATA): Add weak_plt_shared.so.
2910         (weak_plt_main_pic.o, weak_plt): New targets.
2911         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
2912         * testsuite/Makefile.in: Rebuild.
2913
2914         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
2915         gcctestdir/ld.
2916         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
2917         * testsuite/Makefile.in: Rebuild.
2918
2919 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
2920
2921         * Makefile.am (POTFILES.in): Set LC_ALL=C.
2922         * Makefile.in: Regenerate.
2923         * po/POTFILES.in: Regenerate.
2924
2925 2008-07-29  Ian Lance Taylor  <iant@google.com>
2926
2927         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
2928         symbols before other symbols.
2929         * testsuite/script_test_2.cc (test_addr): Declare.
2930         (test_addr_alias): Declare.
2931         (main): Check that test_addr and test_addr_alias have the right
2932         values.
2933         * testsuite/script_test_2.t: Define test_addr_alias and
2934         test_addr.
2935
2936 2008-07-24  Ian Lance Taylor  <iant@google.com>
2937
2938         PR 5990
2939         * descriptors.cc: New file.
2940         * descriptors.h: New file.
2941         * gold-threads.h (class Hold_optional_lock): New class.
2942         * fileread.cc: Include "descriptors.h".
2943         (File_read::~File_read): Release descriptor rather than closing
2944         it.
2945         (File_read::open) [file]: Call open_descriptor rather than open.
2946         Set is_descriptor_opened_.
2947         (File_read::open) [memory]: Assert that descriptor is not open.
2948         (File_read::reopen_descriptor): New function.
2949         (File_read::release): Release descriptor.
2950         (File_read::do_read): Make non-const.  Reopen descriptor.
2951         (File_read::read): Make non-const.
2952         (File_read::make_view): Reopen descriptor.
2953         (File_read::do_readv): Likewise.
2954         * fileread.h (class File_read): Add is_descriptor_opened_ field.
2955         Update declarations.
2956         * layout.cc: Include "descriptors.h".
2957         (Layout::create_build_id): Use open_descriptor rather than open.
2958         * output.cc: Include "descriptors.h".
2959         (Output_file::open): Use open_descriptor rather than open.
2960         * archive.cc (Archive::const_iterator): Change Archive to be
2961         non-const.
2962         (Archive::begin, Archive::end): Make non-const.
2963         (Archive::count_members): Likewise.
2964         * archive.h (class Archive): Update declarations.
2965         * object.h (Object::read): Make non-const.
2966         * Makefile.am (CCFILES): Add descriptors.cc.
2967         (HFILES): Add descriptors.h.
2968         * Makefile.in: Rebuild.
2969
2970         PR 6716
2971         * gold.h: Always include <clocale>.  Add Solaris workarounds
2972         following code in binutils/sysdep.h.
2973
2974         PR 6048
2975         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
2976         this->eh_frame_hdr_ is NULL before using it.
2977
2978         * dynobj.cc (Versions::Versions): Update comment.
2979
2980         * dynobj.cc (Versions::Versions): If there is an soname, use it as
2981         the base version name.
2982
2983         * stringpool.cc (Stringpool_template::add_with_length): Set key to
2984         array size plus one.
2985         (Stringpool_template::set_string_offsets): Subtract one from key
2986         before using it as an array index.
2987         (Stringpool_template::get_offset_with_length): Likewise.
2988         (Stringpool_template::write_to_buffer): Likewise.
2989         * stringpool.h (Stringpool_template::get_offset_from_key):
2990         Likewise.
2991
2992 2008-07-23  Ian Lance Taylor  <iant@google.com>
2993
2994         PR 6658
2995         * object.h (Merged_symbol_value::value): Do our best to handle a
2996         negative addend.
2997
2998         PR 6647
2999         * script.cc (Version_script_info::get_versions): Don't add empty
3000         version tag to return value.
3001         (Version_script_info::get_symbol_version_helper): Change return
3002         type to bool.  Add pversion parameter.  Change all callers.
3003         (script_register_vers_node): Don't require a non-NULL tag.
3004         * script.h (class Version_script_info): Update declarations.
3005         (Version_script_info::get_symbol_version): Change return type to
3006         bool.  Add version parameter.  Change all callers.
3007         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
3008         handling.  Handle an empty version from a version script.
3009         (Symbol_table::define_special_symbol): Likewise.
3010         * testsuite/ver_test_10.script: New file.
3011         * testsuite/ver_test_10.sh: New file.
3012         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
3013         (check_DATA): Add ver_test_10.syms.
3014         (ver_test_10.syms, ver_test_10.so): New target.
3015         * testsuite/Makefile.in: Rebuild.
3016
3017 2008-07-23  Simon Baldwin  <simonb@google.com>
3018
3019         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
3020         to zero for undefined symbols from dynamic libraries.
3021
3022 2008-07-23  Ian Lance Taylor  <iant@google.com>
3023
3024         * symtab.cc (Symbol_table::resolve): Remove version parameter.
3025         Change all callers.
3026         * symtab.h (class Symbol_table): Update declaration.
3027         * testsuite/ver_test_9.cc: New file.
3028         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
3029         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
3030         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
3031         (ver_test_9.so, ver_test_9.o): New targets.
3032         * testsuite/Makefile.in: Rebuild.
3033
3034 2008-07-22  Ian Lance Taylor  <iant@google.com>
3035
3036         * options.h (class General_options): Define --check-sections.
3037         * layout.cc (Layout::set_segment_offsets): Handle
3038         --check-sections.
3039
3040         * options.h (class General_options): Define -n/--nmagic and
3041         -N/--omagic.
3042         * options.cc (General_options::finalize): For -n/--nmagic or
3043         -N/--omagic, set -static.
3044         * layout.cc (Layout::attach_allocated_section_to_segment): If
3045         -N/--omagic, don't put read-only and read-write sections in
3046         different segments.
3047         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
3048         finding a read-only segment.
3049         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
3050         don't set the minimum segment alignment to the common page size,
3051         and don't set the file offset to the address modulo the page size.
3052         * script-sections.cc (Script_sections::create_segments): If
3053         -n/--omagic, don't put read-only and read-write sections in
3054         different segments.
3055
3056         * cref.cc: New file.
3057         * cref.h: New file.
3058         * options.h (class General_options): Add --print-symbol-counts.
3059         * main.cc (main): Issue defined symbol report if requested.
3060         * archive.cc (Archive::interpret_header): Make into a const member
3061         function.
3062         (Archive::add_symbols): Call Input_objects::archive_start and
3063         archive_stop.
3064         (Archive::const_iterator): Define new class.
3065         (Archive::begin, Archive::end): New functions.
3066         (Archive::include_all_members): Rewrite to use iterator.
3067         (Archive::count_members): New function.
3068         * archive.h (class Archive): Update declarations.
3069         (Archive::filename): New function.
3070         * object.cc: Include "cref.h".
3071         (Sized_relobj::Sized_relobj): Initialize defined_count_.
3072         (Sized_relobj::do_get_global_symbol_counts): New function.
3073         (Input_objects::add_object): Add object to cross-referencer.
3074         (Input_objects::archive_start): New function.
3075         (Input_objects::archive_stop): New function.
3076         (Input_objects::print_symbol_counts): New function.
3077         * object.h: Declare Cref and Archive.
3078         (Object::get_global_symbol_counts): New function.
3079         (Object::do_get_global_symbol_counts): New pure virtual function.
3080         (class Sized_relobj): Add defined_count_ field.  Update
3081         declarations.
3082         (class Input_objects): Add cref_ field.  Update constructor.
3083         Update declarations.
3084         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
3085         defined_count_.
3086         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
3087         symbol counts.
3088         (Sized_dynobj::do_get_global_symbol_counts): New function.
3089         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
3090         defined_count_.  Update declarations.  Define Symbols typedef.
3091         * symtab.cc (Symbol_table::add_from_relobj): Add defined
3092         parameter.  Change all callers.
3093         (Symbol_table::add_from_dynobj): Add sympointers and defined
3094         parameters.  Change all callers.
3095         * symtab.h (class Symbol_table): Update declarations.
3096         * Makefile.am (CCFILES): Add cref.cc.
3097         (HFILES): Add cref.h.
3098         * Makefile.in: Rebuild.
3099
3100 2008-07-22  Simon Baldwin  <simonb@google.com>
3101
3102         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
3103         to zero when writing undefined symbols.
3104
3105 2008-07-22  Ian Lance Taylor  <iant@google.com>
3106
3107         * output.cc (Output_section::add_input_section): Don't try to
3108         merge empty merge sections.
3109
3110 2008-07-21  Craig Silverstein  <csilvers@google.com>
3111
3112         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
3113         Include symbol version in error message.
3114
3115 2008-07-20  Chris Demetriou  <cgd@google.com>
3116
3117         * configure.ac (gold_cv_c_random_seed): New configured variable.
3118         (RANDOM_SEED_CFLAGS): New substituted variable.
3119         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
3120         * configure: Rebuild.
3121         * Makefile.in: Likewise.
3122         * testsuite/Makefile.in: Likewise.
3123
3124 2008-07-18  Ian Lance Taylor  <iant@google.com>
3125
3126         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
3127         where we see NAME/NULL and NAME/VERSION  as separate symbols.
3128         * testsuite/ver_test_main.cc (main): Call t4.
3129         (t4, t4_2a): Define.
3130         * testsuite/ver_test_2.cc (t4_2): Define.
3131         * testsuite/ver_test_2.script: Put t4_2a in VER2.
3132         * testsuite/ver_test_4.cc (t4_2a): Define.
3133         * testsuite/ver_test_4.script: Put t4_2a in VER2.
3134         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
3135
3136 2008-07-17  Ian Lance Taylor  <iant@google.com>
3137
3138         * dynobj.cc (Versions::add_def): If we give an error about a
3139         missing version, go ahead and create the version anyhow.
3140
3141 2008-07-10  Ian Lance Taylor  <iant@google.com>
3142
3143         Handle output sections with more than 0x7fffffff bytes.
3144         * object.h (class Relobj): Change map_to_output_ to
3145         output_sections_, and just keep a section pointer.  Change all
3146         uses.  Move comdat group support to Sized_relobj.
3147         (Relobj::is_section_specially_mapped): Remove.
3148         (Relobj::output_section): Remove poff parameter.  Change all
3149         callers.
3150         (Relobj::output_section_offset): New function.
3151         (Relobj::set_section_offset): Rewrite.
3152         (Relobj::map_to_output): Remove.
3153         (Relobj::output_sections): New function.
3154         (Relobj::do_output_section_offset): New pure virtual function.
3155         (Relobj::do_set_section_offset): Likewise.
3156         (class Sized_relobj): Add section_offsets_ field.  Add comdat
3157         group support from Relobj.  Update declarations.
3158         (Sized_relobj::get_output_section_offset): New function.
3159         (Sized_relobj::do_output_section_offset): New function.
3160         (Sized_relobj::do_set_section_offset): New function.
3161         * object.cc (Relobj::output_section_address): Remove.
3162         (Sized_relobj::Sized_relobj): Initialize new fields.
3163         (Sized_relobj::include_section_group): Cast find_kept_object to
3164         Sized_relobj.
3165         (Sized_relobj::include_linkonce_section): Likewise.
3166         (Sized_relobj::do_layout): Use separate arrays for output section
3167         and output offset.
3168         (Sized_relobj::do_count_local_symbols): Change map_to_output to
3169         output_sections.
3170         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
3171         output_sections and section_offsets.
3172         (Sized_relobj::write_local_symbols): Likewise.
3173         (map_to_kept_section): Compute output address directly.
3174         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
3175         output_sections and section_offsets.
3176         (Sized_relobj::write_sections): Likewise.
3177         (Sized_relobj::relocate_sections): Likewise.
3178         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
3179         * output.h (class Output_reloc): Update declarations.  Change
3180         u2_.relobj to Sized_relobj*.
3181         (class Output_data_reloc): Change add functions to use
3182         Sized_relobj*.
3183         * output.cc (Output_reloc::Output_reloc): Change relobj to
3184         Sized_relobj*.
3185         (Output_reloc::local_section_offset): Change return type to
3186         Elf_Addr.  Use get_output_section_offset.
3187         (Output_reloc::get_address): Likewise.
3188         (Output_section::is_input_address_mapped): Don't call
3189         is_section_specially_mapped.
3190         (Output_section::output_offset): Likewise.
3191         (Output_section::output_address): Likewise.
3192         (Output_section::starting_output_address): Likewise.
3193         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
3194         parameter to Sized_relobj*.
3195         (Copy_relocs::need_copy_reloc): Likewise.
3196         (Copy_relocs::save): Likewise.
3197         * copy-relocs.h (class Copy_relocs): Update declarations.
3198         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
3199         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
3200         * target-reloc.h (relocate_for_relocatable): Change
3201         offset_in_output_section type to Elf_Addr.  Change code that uses
3202         it as well.
3203         * layout.cc (Layout::layout): Always set *off.
3204         * mapfile.cc (Mapfile::print_input_section): Use
3205         output_section_offset.
3206         * i386.cc (Target_i386::copy_reloc): Change object parameter to
3207         Sized_relobj*.
3208         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
3209         * sparc.cc (Target_sparc::copy_reloc): Likewise.
3210         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
3211
3212 2008-07-03  Ian Lance Taylor  <iant@google.com>
3213
3214         * layout.cc (Layout::include_section): Do not discard unrecognized
3215         SHT_STRTAB sections.
3216
3217 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
3218
3219         * script.cc (Lex::can_continue_name): Make '?' allowable in
3220         version-script names.
3221         * testsuite/version_script.map: Change glob pattern to use '?'
3222
3223 2008-06-30  Manish Singh  <yosh@gimp.org>
3224
3225         PR 6585
3226         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
3227         Correct typo.
3228
3229 2008-06-30  Ian Lance Taylor  <iant@google.com>
3230
3231         PR 6660
3232         PR 6682
3233         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
3234         versions]: Don't try to read the value in the contents, since we
3235         don't use it.  Use the template endianness when writing.
3236
3237 2008-06-25  Cary Coutant  <ccoutant@google.com>
3238
3239         * fileread.cc (File_read::make_view): Assert on zero-length view.
3240         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
3241         symbol table when there are no symbols to read.
3242
3243 2008-06-23  Craig Silverstein  <csilvers@google.com>
3244
3245         * version.cc (version_string): Bump to 1.7
3246
3247 2008-06-18  Craig Silverstein  <csilvers@google.com>
3248
3249         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
3250         constant 0xFFFF to type Valtype.
3251         (Powerpc_relocate_functions::rel16_ha): Likewise.
3252
3253 2008-06-17  Ian Lance Taylor  <iant@google.com>
3254
3255         * output.h (Output_section::Input_section): Initialize p2align_ to
3256         zero for Output_section_data constructors.
3257         (Output_section::Input_section::addralign): If not an input
3258         section, return the alignment of the Output_section_data.
3259         * testsuite/copy_test.cc: New file.
3260         * testsuite/copy_test_1.cc: New file.
3261         * testsuite/copy_test_2.cc: New file.
3262         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
3263         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
3264         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
3265         (copy_test_1_pic.o, copy_test_1.so): New targets.
3266         (copy_test_2_pic.o, copy_test_2.so): New targets.
3267         * testsuite/Makefile.in: Rebuild.
3268
3269         * script-sections.cc (Script_sections::place_orphan): Initialize
3270         local variable exact.
3271
3272 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
3273
3274         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
3275
3276 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
3277             David S. Miller  <davem@davemloft.net>
3278
3279         * powerpc.cc: New file.
3280         * Makefile.am (TARGETSOURCES): Add powerpc.cc
3281         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
3282         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
3283         * Makefile.in: Rebuild.
3284
3285 2008-06-09  Ian Lance Taylor  <iant@google.com>
3286
3287         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
3288         <exception>.
3289         (throwing, orig_terminate): New static variables.
3290         (terminate_handler): New static function.
3291         (t2): Set terminate handler.
3292
3293 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
3294
3295         PR 6584
3296         * binary.cc (Binary_to_elf::sized_convert): Fix .data
3297         alignment.
3298
3299 2008-05-30  Cary Coutant  <ccoutant@google.com>
3300
3301         * archive.cc (Archive::include_all_members) Correct to step
3302         over symbol table and extended name table in thin archives.
3303
3304 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
3305
3306         PR 6407
3307         * target-reloc.h (relocate_for_relocatable): Fix new_offset
3308         calculation.
3309
3310 2008-05-28  Caleb Howe  <cshowe@google.com>
3311
3312         * reduced_debug_output.cc: New file.
3313         * reduced_debug_output.h: New file.
3314         * options.h (class General_options): Add --strip-debug-non-line.
3315         * options.cc (General_options::finalize): Add strip_debug_non_line
3316         to the strip heirarchy.
3317         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
3318         fields.
3319         * layout.cc: Include "reduced_debug_output.h".
3320         (Layout::Layout): Initialize new fields.
3321         (line_only_debug_sections): New static array.
3322         (is_lines_only_debug_sections): New static inline function.
3323         (Layout::include_section): Handle --strip-debug-non-line.
3324         (Layout::make_output_section): If --strip-debug-non-line, build
3325         new output sections for .debug_abbrev and .debug_info.
3326         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
3327         gold.  Warn about possible overflow.
3328         (read_signed_LEB_128): Likewise.
3329         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
3330         (read_signed_LEB_128): Declare.
3331         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
3332         (HFILES): Add reduced_debug_output.h.
3333         * Makefile.in: Rebuild.
3334
3335 2008-05-21  Ian Lance Taylor  <iant@google.com>
3336
3337         * mapfile.cc: New file.
3338         * mapfile.h: New file.
3339         * options.h (class General_options): Add -M/--print-map and -Map.
3340         * options.cc (General_options::finalize): Make -M equivalent to
3341         -Map -.
3342         * main.cc: Include <cstdio> and "mapfile.h".
3343         (main): Open mapfile if requested.
3344         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
3345         constructor.  Change caller.
3346         (queue_initial_tasks): Add mapfile parameter.  Change caller.
3347         (queue_middle_tasks): Likewise.
3348         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
3349         declarations.
3350         * archive.cc: Include "mapfile.h".
3351         (Archive::add_symbols): Add mapfile parameter.  Change all
3352         callers.  Pass mapfile, symbol, and reason to include_member.
3353         (Archive::include_all_members): Add mapfile parameter.  Change all
3354         callers.
3355         (Archive::include_member): Add mapfile, sym, and why parameters.
3356         Change all callers.  Report inclusion to map file.
3357         * archive.h: Include "fileread.h".
3358         (class Archive): Update declarations.
3359         (Archive::file): New const method.
3360         (class Add_archive_symbols): Add mapfile_ field.  Update
3361         constructor.  Change all callers.
3362         * readsyms.h (class Read_symbols): Likewise.
3363         (class Finish_group): Likewise.
3364         (class Read_script): Likewise.
3365         * common.cc: Include "mapfile.h".
3366         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
3367         all callers.
3368         (Symbol_table::do_allocate_commons): Likewise.
3369         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
3370         symbol allocation to mapfile.
3371         * common.h (class Allocate_commons_task): Add mapfile_ field.
3372         Update constructor.  Change all callers.
3373         * symtab.h (class Symbol_table): Update declarations.
3374         * layout.cc: Include "mapfile.h".
3375         (Layout_task_runner::run): Print information to mapfile.
3376         (Layout::create_gold_note): Change Output_data_fixed_space to
3377         Output_data_zero_fill.
3378         (Layout::create_build_id): Likewise.
3379         (Layout::print_to_mapfile): New function.
3380         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
3381         constructor.  Change caller.
3382         (class Layout): Declare print_to_mapfile.
3383         * output.cc (Output_section::Input_section::print_to_mapfile): New
3384         function.
3385         (Output_section::add_input_section): If producing a map, always
3386         add to input_sections_ list.
3387         (Output_section::do_print_to_mapfile): New function.
3388         (Output_segment::print_sections_to_mapfile): New function.
3389         (Output_segment::print_section_list_to_mapfile): New function.
3390         * output.h: Include "mapfile.h".
3391         (Output_data::print_to_mapfile): New function.
3392         (Output_data::do_print_to_mapfile): New virtual function.
3393         (Output_segment_headers::do_print_to_mapfile): New function.
3394         (Output_file_header::do_print_to_mapfile): New function.
3395         (Output_data_const::do_print_to_mapfile): New function.
3396         (class Output_data_const_buffer): Add map_name_ field.  Update
3397         constructor.  Change all callers.  Add do_print_to_mapfile
3398         function.
3399         (class Output_data_fixed_space): Likewise.
3400         (class Output_data_space): Likewise.
3401         (class Output_data_zero_fill): New class.
3402         (Output_data_strtab::do_print_to_mapfile): New function.
3403         (Output_data_reloc_base::do_print_to_mapfile): New function.
3404         (Output_relocatable_relocs::do_print_to_mapfile): New function.
3405         (Output_data_group::do_print_to_mapfile): New function.
3406         (Output_data_got::do_print_to_mapfile): New function.
3407         (Output_data_dynamic::do_print_to_mapfile): New function.
3408         (Output_symtab_xindex::do_print_to_mapfile): New function.
3409         (class Output_section): Declare do_print_to_mapflie.  Declare
3410         print_to_mapfile in Input_section.
3411         (class Output_segment): Declare new functions.
3412         * object.h (Sized_relobj::symbol_count): New function.
3413         * script-sections.cc
3414         (Output_section_element_dot_assignment::set_section_addresses):
3415         Change Output_data_fixed_space to Output_data_zero_fill.
3416         (Output_data_expression::do_print_to_mapfile): New function.
3417         * script.cc (read_input_script): Add mapfile parameter.  Change
3418         all callers.
3419         * script.h (read_input_script): Update declaration.
3420         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
3421         (Eh_frame::do_print_to_mapfile): New function.
3422         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
3423         (Output_merge_string::do_print_to_mapfile): New function.
3424         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
3425         function.
3426         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
3427         function.
3428         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
3429         function.
3430         * Makefile.am (CCFILES): Add mapfile.cc.
3431         (HFILES): Add mapfile.h.
3432         * Makefile.in: Rebuild.
3433
3434 2008-05-19  Ian Lance Taylor  <iant@google.com>
3435
3436         * options.h (class General_options): Add -z relro.
3437         * layout.cc (Layout::Layout): Initialize relro_segment_.
3438         (Layout::add_output_section_data): Return the output section.
3439         (Layout::make_output_section): Rcognize relro sections and mark
3440         them appropriately.
3441         (Layout::attach_allocated_section_to_segment): Put relro sections
3442         in a PT_GNU_RELRO segment.
3443         (Layout::create_initial_dynamic_sections): Mark the .dynamic
3444         section as relro.
3445         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
3446         PT_TLS segments.
3447         (Layout::linkonce_mapping): Map d.rel.ro.local to
3448         .data.rel.ro.local.
3449         (Layout::output_section_name): Us .data.rel.ro.local for any
3450         section which begins with that.
3451         * layout.h (class Layout): Update add_output_section_data
3452         declaration.  Add relro_segment_ field.
3453         * output.cc (Output_section::Output_section): Initialize is_relro_
3454         and is_relro_local_ fields.
3455         (Output_segment::add_output_section): Group relro sections.
3456         (Output_segment::is_first_section_relro): New function.
3457         (Output_segment::maximum_alignment): If there is a relro section,
3458         align the segment to the common page size.
3459         (Output_segment::set_section_addresses): Track whether we are
3460         looking at relro sections.  If the last section is a relro
3461         section, align to the common page size.
3462         (Output_segment::set_section_list_addresses): Add in_relro
3463         parameter.  Change all callers.  Align to the page size when
3464         moving from relro to non-relro section.
3465         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
3466         segment.
3467         * output.h (class Output_section): Add is_relro_ and
3468         is_relro_local_ fields.
3469         (Output_section::is_relro): New function.
3470         (Output_section::set_is_relro): New function.
3471         (Output_section::is_relro_local): New function.
3472         (Output_section::set_is_relro_local): New function.
3473         (class Output_segment): Update declarations.
3474         * i386.cc (Target_i386::got_section): Mark .got section as relro.
3475         * sparc.cc (Target_sparc::got_section): Likewise.
3476         * x86_64.cc (Target_x86_64::got_section): Likewise.
3477         * testsuite/relro_test_main.cc: New file.
3478         * testsuite/relro_test.cc: New file.
3479         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
3480         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
3481         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
3482         (relro_test.so, relro_test_pic.o): New targets.
3483         * testsuite/Makefile.in: Rebuild.
3484
3485 2008-05-16  Ian Lance Taylor  <iant@google.com>
3486
3487         * output.cc (Output_segment::add_output_section): Remove front
3488         parameter.
3489         * output.h (class Output_segment): Remove
3490         add_initial_output_section and overloaded add_output_section.
3491         Update declaration of remaining add_output_section.
3492         * layout.cc (Layout::create_interp): Call add_output_section
3493         rather than add_initial_output_section.
3494         (Layout::finish_dynamic_section): Likewise.
3495
3496         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
3497         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
3498         know the dynamic type.
3499         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
3500         field.  Initialize it in constructor.
3501         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
3502         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
3503         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
3504         reloc.
3505
3506         * output.cc (Output_reloc::get_address): Change return type to
3507         Elf_Addr.
3508         * output.h (class Output_reloc): Update get_address declaration.
3509         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
3510         for section addresses.
3511
3512 2008-05-09  Ian Lance Taylor  <iant@google.com>
3513
3514         PR 6493
3515         * gold.cc (gold_nomem): Use return value of write.
3516
3517 2008-05-08  Ian Lance Taylor  <iant@google.com>
3518
3519         * symtab.c (Symbol::init_base_output_data): Add version
3520         parameter.  Change all callers.
3521         (Symbol::init_base_output_segment): Likewise.
3522         (Symbol::init_base_constant): Likewise.
3523         (Symbol::init_base_undefined): Likewise.
3524         (Sized_symbol::init_output_data): Likewise.
3525         (Sized_symbol::init_output_segment): Likewise.
3526         (Sized_symbol::init_constant): Likewise.
3527         (Sized_symbol::init_undefined): Likewise.
3528         (Symbol_table::do_define_in_output_data): If the new symbol has a
3529         version, mark it as the default.
3530         (Symbol_table::do_define_in_output_segment): Likewise.
3531         (Symbol_table::do_define_as_constant): Likewise.
3532         * symtab.h (class Symbol): Update declarations.
3533         (class Sized_symbol): Likewise.
3534         * resolve.cc (Symbol::override_version): New function.
3535         (Symbol::override_base): Call override_version.
3536         (Symbol::override_base_with_special): Likewise.
3537         * testsuite/ver_script_8.script: New file.
3538         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
3539         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
3540         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
3541         (ver_test_8_1.so, ver_test_8_2.so): New targets.
3542
3543 2008-05-06  Ian Lance Taylor  <iant@google.com>
3544
3545         PR 6049
3546         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
3547         functions.
3548         (class General_options): Remove existing --undefined, and add
3549         --no-undefined instead.  Add new --undefined as synonym for -u.
3550         * archive.cc (Archive::add_symbols): Check whether symbol was
3551         named with -u.
3552         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
3553         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
3554         all uses.  Add IS_UNDEFINED.  Update declarations to split
3555         different versions of init_base.  Declare init_base_undefined.
3556         (Symbol::is_defined): Handle IS_UNDEFINED.
3557         (Symbol::is_undefined): Likewise.
3558         (Symbol::is_weak_undefined): Call is_undefined.
3559         (Symbol::is_absolute): Handle IS_CONSTANT.
3560         (class Sized_symbol): Update declarations to split different
3561         versions of init.  Declare init_undefined.
3562         (class Symbol_table): Declare new functions.
3563         * symtab.cc (Symbol::init_base_object): Rename from init_base.
3564         Change all callers.
3565         (Symbol::init_base_output_data): Likewise.
3566         (Symbol::init_base_output_segment): Likewise.
3567         (Symbol::init_base_constant): Likewise.
3568         (Symbol::init_base_undefined): New function.
3569         (Sized_symbol::init_object): Rename from init.  Change all
3570         callers.
3571         (Sized_symbol::init_output_data): Likewise.
3572         (Sized_symbol::init_output_segment): Likewise.
3573         (Sized_symbol::init_constant): Likewise.
3574         (Sized_symbol::init_undefined): New function.
3575         (Symbol_table::add_undefined_symbols_from_command_line): New
3576         function.
3577         (Symbol_table::do_add_undefined_symbols_from_command_line): New
3578         function.
3579         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
3580         (Symbol::output_section): Likewise.
3581         (Symbol::set_output_section): Likewise.
3582         (Symbol_table::sized_finalize_symbol): Likewise.
3583         (Symbol_table::sized_write_globals): Likewise.
3584         * resolve.cc (Symbol_table::should_override): Likewise.
3585         (Symbol::override_base_with_special): Likewise.
3586
3587         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
3588         symbol, change it to have default visibility.
3589         * testsuite/protected_1.cc: New file.
3590         * testsuite/protected_2.cc: New file.
3591         * testsuite/protected_3.cc: New file.
3592         * testsuite/protected_main_1.cc: New file.
3593         * testsuite/protected_main_2.cc: New file.
3594         * testsuite/protected_main_3.cc: New file.
3595         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
3596         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
3597         (protected_1_LDFLAGS, protected_1_LDADD): Define.
3598         (protected_1.so): New target.
3599         (protected_1_pic.o, protected_2_pic.o): New targets.
3600         (protected_3_pic.o): New target.
3601         (check_PROGRAMS): Add protected_2.
3602         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
3603         (protected_2_LDFLAGS, protected_2_LDADD): Define.
3604         * testsuite/Makefile.in: Rebuild.
3605
3606         * options.h (DEFINE_var): Add set_user_set_##varname__.
3607         (DEFINE_bool_alias): New macro.
3608         (class General_options): Define -Bstatic using DEFINE_bool_alias
3609         rather than DEFINE_special.  Add --undefined as an alias for -z
3610         defs.
3611         * options.cc (General_options::parse_Bstatic): Remove.
3612
3613         * options.h (class General_options): Add --fatal-warnings.
3614         * main.cc (main): Implement --fatal-warnings.
3615         * errors.h (Errors::warning_count): New function.
3616
3617         * options.h (class General_options): Add -Bsymbolic-functions.
3618         * symtab.h (Symbol::is_preemptible): Check for
3619         -Bsymbolic-functions.
3620
3621 2008-05-05  Ian Lance Taylor  <iant@google.com>
3622
3623         * options.h (DEFINE_bool): For DASH_Z, create the negative option
3624         as noVARNAME rather than no-VARNAME.
3625         (class General_options): Add option -z combreloc.
3626         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
3627         get_address.
3628         (Output_reloc::sort_before) [SHT_REL]: New function.
3629         (Output_reloc::sort_before) [SHT_RELA]: New function.
3630         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
3631         Sort_relocs_comparison.
3632         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
3633         parameter.  Change all callers.
3634         (Output_data_reloc::Output_data_reloc) [both versions]: Add
3635         sort_relocs parameter.  Change all callers.
3636         * output.cc (Output_reloc::get_address): New function, broken out
3637         of write_rel.
3638         (Output_reloc::write_rel): Call it.
3639         (Output_reloc::compare): New function.
3640         (Output_data_reloc_base::do_write): Optionally sort relocs.
3641
3642         * configure.ac: If targ_extra_obj is set, link it in.
3643         * configure.tgt: Initialize all variables.
3644         (x86_64*): Set targ_extra_obj and targ_extra_size.
3645         * configure: Rebuild.
3646
3647         * object.cc (Sized_relobj::include_section_group): Adjust section
3648         indexes read from group data.  Build vector to pass to
3649         layout_group.
3650         * layout.cc (Layout::layout_group): Add flags and shndxes
3651         parameters.  Remove contents parameter.  Change caller.  Update
3652         explicit instantiations.
3653         * layout.h (class Layout): Update layout_group declaration.
3654         * output.cc (Output_data_group::Output_data_group): Add flags and
3655         input_shndxes parameters.  Remove contents parameter.  Change
3656         caller.
3657         (Output_data_group::do_write): Change input_sections_ to
3658         input_shndxes_.
3659         * output.h (class Output_data_group): Update constructor
3660         declaration.  Rename input_sections_ to input_shndxes_.
3661         * testsuite/many_sections_test.cc: Add template.
3662
3663 2008-04-30  Cary Coutant  <ccoutant@google.com>
3664
3665         * target-reloc.h (relocate_section): Fix dead-pointer bug.
3666
3667         * layout.cc (Layout::include_section): Refactored check for debug
3668         info section.
3669         (Layout::add_comdat): Add new parameters.  Change type
3670         of signature parameter.  Add object and shndx to signatures table.
3671         (Layout::find_kept_object): New function.
3672         * layout.h: Include <cstring>.
3673         (Layout::is_debug_info_section): New function.
3674         (Layout::add_comdat): Add new parameters.
3675         (Layout::find_kept_object): New function.
3676         (Layout::Kept_section): New struct.
3677         (Layout::Signatures): Change type of map range.
3678         * object.cc (Relobj::output_section_address): New function.
3679         (Sized_relobj::include_section_group): Add new parameters.  Change
3680         calls to Layout::add_comdat.  Change to build table of kept comdat
3681         groups and table mapping discarded sections to kept sections.
3682         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
3683         (Sized_relobj::do_layout): Change calls to include_section_group and
3684         include_linkonce_section.
3685         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
3686         value to zero when section is discarded.
3687         (Sized_relobj::map_to_kept_section): New function.
3688         * object.h (Relobj::output_section_address): New function.
3689         (Relobj::Comdat_group): New type.
3690         (Relobj::find_comdat_group): New function.
3691         (Relobj::Comdat_group_table): New type.
3692         (Relobj::Kept_comdat_section): New type.
3693         (Relobj::Kept_comdat_section_table): New type.
3694         (Relobj::add_comdat_group): New function.
3695         (Relobj::set_kept_comdat_section): New function.
3696         (Relobj::get_kept_comdat_section): New function.
3697         (Relobj::comdat_groups_): New field.
3698         (Relobj::kept_comdat_sections_): New field.
3699         (Symbol_value::input_value): Update comment.
3700         (Sized_relobj::map_to_kept_section) New function.
3701         (Sized_relobj::include_linkonce_section): Add new parameter.
3702         * target-reloc.h (Comdat_behavior): New type.
3703         (get_comdat_behavior): New function.
3704         (relocate_section): Add code to map a discarded section to the
3705         corresponding kept section when applying a relocation.
3706
3707 2008-04-30  Craig Silverstein  <csilvers@google.com>
3708
3709         * dwarf_reader.cc (next_generation_count): New static var.
3710         (Addr2line_cache_entry): New struct.
3711         (addr2line_cache): New static var.
3712         (Dwarf_line_info::one_addr2line): Added caching.
3713         (Dwarf_line_info::clear_addr2line_cache): New function.
3714         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
3715         cache-size parameter.
3716         (Dwarf_line_info::one_addr2line_cache): New function.
3717         * symtab.cc (Symbol_table::detect_odr_violations): Pass
3718         new cache-size argument to one_addr2line(), and clear cache.
3719
3720 2008-04-28  Cary Coutant  <ccoutant@google.com>
3721
3722         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
3723         R_386_PC8 relocations.
3724
3725 2008-04-23  Ian Lance Taylor  <iant@google.com>
3726
3727         * object.cc (Sized_relobj::include_section_group): Check for
3728         invalid section group.
3729
3730         * object.cc (make_elf_object): Correct test for 64-bit ELF file
3731         header size.
3732
3733         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
3734         than read for file header.
3735         * archive.cc (Archive::include_member): Likewise.
3736
3737 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
3738
3739         * aclocal.m4: Regenerate.
3740         * configure: Regenerate.
3741
3742 2008-04-19  Ian Lance Taylor  <iant@google.com>
3743
3744         * version.cc (version_string): Bump to 1.6.
3745
3746         * testsuite/Makefile.am (many_sections_r_test): New target.
3747         (many_sections_r_test_SOURCES): Remove.
3748         (many_sections_r_test_DEPENDENCIES): Remove.
3749         (many_sections_r_test_LDFLAGS): Remove.
3750         (many_sections_r_test_LDADD): Remove.
3751
3752         * object.cc (Sized_relobj::do_add_symbols): Always pass
3753         local_symbol_count_ to add_from_relobj.
3754
3755         * testsuite/Makefile.am (many_sections_check.h): Only check one in
3756         every thousand variables.
3757         * testsuite/Makefile.in: Rebuild.
3758
3759         * object.cc (Xindex::initialize_symtab_xindex): New function.
3760         (Xindex::read_symtab_xindex): New function.
3761         (Xindex::sym_xindex_to_shndx): New function.
3762         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
3763         available.
3764         (Sized_relobj::do_initialize_xindex): New function.
3765         (Sized_relobj::do_read_symbols): Adjust section links.
3766         (Sized_relobj::symbol_section_and_value): Add is_ordinary
3767         parameter.  Change all callers.
3768         (Sized_relobj::include_section_group): Adjust section links and
3769         symbol section indexes.
3770         (Sized_relobj::do_layout): Adjust section links.
3771         (Sized_relobj::do_count_local_symbols): Adjust section links and
3772         symbol section indexes.
3773         (Sized_relobj::do_finalize_local_symbols): Distinguish between
3774         ordinary and special symbols.
3775         (Sized_relobj::write_local_symbols): Add symtab_xindex and
3776         dynsym_xindex parameters.  Change all callers.  Adjust section
3777         links.  Use SHN_XINDEX when needed.
3778         (Sized_relobj::get_symbol_location_info): Adjust section links.
3779         Don't get fooled by special symbols.
3780         * object.h (class Xindex): Define.
3781         (class Object): Add xindex_ parameter.  Declare virtual functoin
3782         do_initialize_xindex.
3783         (Object::adjust_sym_shndx): New function.
3784         (Object::set_xindex): New protected function.
3785         (class Symbol_value): Add is_ordinary_shndx_ field.
3786         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
3787         (Symbol_value::value): Assert ordinary section.
3788         (Symbol_value::initialize_input_to_output_map): Likewise.
3789         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
3790         Change all callers.
3791         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
3792         all callers.
3793         (class Sized_relobj): Update declarations.
3794         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
3795         parameter.  Change all callers.
3796         (Sized_relobj::adjust_shndx): New function.
3797         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
3798         field.
3799         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
3800         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
3801         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
3802         (Sized_dynobj::read_dynsym_section): Adjust section links.
3803         (Sized_dynobj::read_dynamic): Likewise.
3804         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
3805         section links.
3806         (Sized_dynobj::do_initialize_xindex): New function.
3807         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
3808         do_initialize_xindex.
3809         (Sized_dynobj::adjust_shndx): New function.
3810         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
3811         dynsym_xindex_ fields.
3812         (Layout::finalize): Add a call to set_section_indexes before
3813         creating the symtab sections.
3814         (Layout::set_section_indexes): Don't do anything if the section
3815         already has a section index.
3816         (Layout::create_symtab_sections): Add shnum parameter.  Change
3817         caller.  Create .symtab_shndx section if needed.
3818         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
3819         caller.
3820         (Layout::allocated_output_section_count): New function.
3821         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
3822         needed.
3823         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
3824         fields.  Update declarations.
3825         (Layout::symtab_xindex): New function.
3826         (Layout::dynsym_xindex): New function.
3827         (class Write_symbols_task): Add layout_ field.
3828         (Write_symbols_task::Write_symbols_task): Add layout parameter.
3829         Change caller.
3830         * output.cc (Output_section_headers::Output_section_headers): Add
3831         shstrtab_section parameter.  Change all callers.
3832         (Output_section_headers::do_sized_write): Store overflow values
3833         for section count and section string table section index in
3834         section header zero.
3835         (Output_file_header::do_sized_write): Check for overflow of
3836         section count and section string table section index.
3837         (Output_symtab_xindex::do_write): New function.
3838         (Output_symtab_xindex::endian_do_write): New function.
3839         * output.h (class Output_section_headers): Add shstrtab_section_.
3840         Update declarations.
3841         (class Output_symtab_xindex): Define.
3842         (Output_section::has_out_shndx): New function.
3843         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
3844         field.
3845         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
3846         Change all callers.
3847         (Sized_symbol::init): Likewise.
3848         (Symbol::output_section): Check for ordinary symbol.
3849         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
3850         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
3851         callers.
3852         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
3853         Change all callers.  Simplify handling of symbols from sections
3854         not included in the link.
3855         (Symbol_table::add_from_dynobj): Handle ordinary symbol
3856         distinction.
3857         (Weak_alias_sorter::operator()): Assert that symbols are
3858         ordinary.
3859         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
3860         distinction.
3861         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
3862         parameters.  Change all callers.
3863         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
3864         symbol distinction.  Use SHN_XINDEX when needed.
3865         (Symbol_table::write_section_symbol): Add symtab_xindex
3866         parameter.  Change all callers.
3867         (Symbol_table::sized_write_section_symbol): Likewise.  Use
3868         SHN_XINDEX when needed.
3869         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
3870         declarations.
3871         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
3872         (Symbol::is_defined): Check is_ordinary.
3873         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
3874         (Symbol::is_absolute, Symbol::is_common): Likewise.
3875         (class Sized_symbol): Update declarations.
3876         (class Symbol_table): Update declarations.
3877         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
3878         parameters.  Change all callers.
3879         (Sized_symbol::override): Likewise.
3880         (Symbol_table::override): Likewise.
3881         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
3882         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
3883         is_ordinary, and orig_st_shndx parameters.  Change all callers.
3884         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
3885         to be in an ordinary section.
3886         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
3887         object and is_ordinary parameters.  Change all callers.
3888         (Sized_dwarf_line_info::read_relocs): Add object parameter.
3889         Change all callers.  Don't add undefined or non-ordinary symbols
3890         to reloc_map_.
3891         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
3892         Change all callers.
3893         * dwarf_reader.h (class Sized_dwarf_line_info): Update
3894         declarations.
3895         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
3896         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
3897         (Sized_relobj::relocate_sections): Likewise.
3898         * target-reloc.h (scan_relocs): Adjust section symbol index.
3899         (scan_relocatable_relocs): Likewise.
3900         * i386.cc (Scan::local): Check for ordinary symbols.
3901         * sparc.cc (Scan::local): Likewise.
3902         * x86_64.cc (Scan::local): Likewise.
3903         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
3904         to symbol_section_and_value.
3905         * testsuite/many_sections_test.cc: New file.
3906         * testsuite/Makefile.am (BUILT_SOURCES): Define.
3907         (check_PROGRAMS): Add many_sections_test.
3908         (many_sections_test_SOURCES): Define.
3909         (many_sections_test_DEPENDENCIES): Define.
3910         (many_sections_test_LDFLAGS): Define.
3911         (BUILT_SOURCES): Add many_sections_define.h.
3912         (many_sections_define.h): New target.
3913         (BUILT_SOURCES): Add many_sections_check.h.
3914         (many_sections_check.h): New target.
3915         (check_PROGRAMS): Add many_sections_r_test.
3916         (many_sections_r_test_SOURCES): Define.
3917         (many_sections_r_test_DEPENDENCIES): Define.
3918         (many_sections_r_test_LDFLAGS): Define.
3919         (many_sections_r_test_LDADD): Define.
3920         (many_sections_r_test.o): New target.
3921         * testsuite/Makefile.in: Rebuild.
3922
3923 2008-04-17  Cary Coutant  <ccoutant@google.com>
3924
3925         * errors.cc (Errors::info): New function.
3926         (gold_info): New function.
3927         * errors.h (Errors::info): New function.
3928         * gold.h (gold_info): New function.
3929         * object.cc (Input_objects::add_object): Print trace output.
3930         * options.cc (options::parse_set): New function.
3931         (General_options::parse_wrap): Deleted.
3932         (General_options::General_options): Deleted initializer.
3933         * options.h (options::String_set): New typedef.
3934         (options::parse_set): New function.
3935         (DEFINE_set): New macro.
3936         (General_options::wrap): Changed to use DEFINE_set. Changed
3937         callers of any_wrap_symbols and is_wrap_symbol.
3938         (General_options::trace, General_options::trace_symbol):
3939         New options.
3940         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
3941         (General_options::wrap_symbols_): Deleted.
3942         * symtab.cc (Symbol_table::add_from_object): Print trace output.
3943
3944 2008-04-17  David S. Miller  <davem@davemloft.net>
3945
3946         * options.cc (General_options::parse_V): New function.
3947         * options.h: Add entries for -V and -Qy.
3948
3949 2008-04-17  Ian Lance Taylor  <iant@google.com>
3950
3951         * common.cc (Symbol_table::allocate_commons): Remove options
3952         parameter.  Change caller.
3953         (Symbol_table::do_allocate_commons): Remove options parameter.
3954         Change caller.  Just call do_allocate_commons_list twice.
3955         (Symbol_table::do_allocate_commons_list): New function, broken out
3956         of do_allocate_commons.
3957         * common.h (class Allocate_commons_task): Remove options_ field.
3958         Update constructor.
3959         * symtab.cc (Symbol_table::Symbol_table): Initialize
3960         tls_commons_.
3961         (Symbol_table::add_from_object): Put TLS common symbols on
3962         tls_commons_ list.
3963         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
3964         which are IN_OUTPUT_DATA.
3965         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
3966         allocate_commons and do_allocate_commons declarations.  Declare
3967         do_allocate_commons_list.
3968         * gold.cc (queue_middle_tasks): Update creation of
3969         Allocate_commons_task to not pass options.
3970         * testsuite/Makefile.am (INCLUDES): Add -I.. .
3971         (TLS_TEST_C_FLAGS): New variable.
3972         (tls_test_c_pic.o): New target.
3973         (tls_test_shared.so): Link in tls_test_c_pic.o.
3974         (tls_test_c_pic_ie.o): New target.
3975         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
3976         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
3977         (tls_test_c.o): New target.
3978         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
3979         (tls_pic_test_LDADD): Likewise.
3980         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
3981         (tls_shared_gd_to_ie_test_LDADD): Likewise.
3982         (tls_test_c_gnu2.o): New target.
3983         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
3984         tls_test_c_gnu2.o.
3985         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
3986         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
3987         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
3988         * testsuite/tls_test.cc: Include "config.h".
3989         (t_last): Call t11_last.
3990         * testsuite/tls_test.h (t11, t11_last): Declare.
3991         * testsuite/tls_test_c.c: New file.
3992         * testsuite/tls_test_main.cc (thread_routine): Call t11.
3993         * configure.ac: Check for OpenMP support.
3994         * configure, config.in, Makefile.in: Rebuild.
3995         * testsuite/Makefile.in: Rebuild.
3996
3997 2008-04-16  Cary Coutant  <ccoutant@google.com>
3998
3999         * i386.cc (Target_i386::define_tls_base_symbol): New function.
4000         (Target_i386::tls_base_symbol_defined_): New field.
4001         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
4002         (Target_i386::Scan::global): Likewise.
4003         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
4004         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
4005         (Target_x86_64::tls_base_symbol_defined_): New field.
4006         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
4007         (Target_x86_64::Scan::global): Likewise.
4008
4009 2008-04-16  Cary Coutant  <ccoutant@google.com>
4010
4011         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
4012         (Symbol::needs_plt_entry): Allow weak undefined symbols.
4013         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
4014         building shared libraries.
4015         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
4016         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
4017         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
4018         * testsuite/Makefile.in: Rebuild.
4019         * testsuite/weak_undef.h: New file.
4020         * testsuite/weak_undef_file1.cc: Add extra test cases.
4021         * testsuite/weak_undef_file2.cc: Likewise.
4022         * testsuite/weak_undef_test.cc: Likewise.
4023
4024 2008-04-16  David S. Miller  <davem@davemloft.net>
4025
4026         * sparc.cc (Target_sparc::Scan): Change from struct to class.
4027         Add issued_non_pic_error_ field.  Declare check_non_pic.
4028         (Target_sparc::Scan::check_non_pic): New function.
4029         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
4030         (Target_sparc::Scan::global): Likewise.
4031
4032         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
4033         * configure: Rebuild.
4034
4035         * options.h (DEFINE_enable): New macro.
4036         (new_dtags): New enable option.
4037         (initfirst, interpose, loadfltr, nodefaultlib,
4038         nodelete, nodlopen, nodump): New -z options.
4039         * layout.cc (Layout:finish_dynamic_section): If new
4040         dtags enabled, emit DT_RUNPATH.  Also, emit a
4041         DT_FLAGS_1 containing any specified -z flags.
4042
4043 2008-04-16  Ian Lance Taylor  <iant@google.com>
4044
4045         * copy-relocs.cc: New file.
4046         * copy-relocs.h: New file.
4047         * reloc.cc: Remove Copy_relocs code.
4048         * reloc.h: Likewise.
4049         * reloc-types.h (struct Reloc_types) [both versions]: Add
4050         get_reloc_addend_noerror.
4051         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
4052         variants of add_global which take an addend which must be zero.
4053         * i386.cc: Include "copy-relocs.h".
4054         (class Target_i386): Change type of copy_relocs_ to variable,
4055         update initializer.
4056         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
4057         Change all callers.
4058         (Target_i386::do_finalize_sections): Change handling of
4059         copy_relocs_.
4060         * sparc.cc: Include "copy-relocs.h".
4061         (class Target_sparc): Change type of copy_relocs_ to variable,
4062         update initializer.
4063         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
4064         Change all callers.
4065         (Target_sparc::do_finalize_sections): Change handling of
4066         copy_relocs_.
4067         * x86_64.cc: Include "copy-relocs.h".
4068         (class Target_x86_64): Change type of copy_relocs_ to variable,
4069         update initializer.
4070         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
4071         class.  Change all callers.
4072         (Target_x86_64::do_finalize_sections): Change handling of
4073         copy_relocs_.
4074         * Makefile.am (CCFILES): Add copy-relocs.cc.
4075         (HFILES): Add copy-relocs.h.
4076
4077         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
4078
4079         * testsuite/script_test_4.sh: Permit leading zeroes.
4080
4081 2008-04-15  Ian Lance Taylor  <iant@google.com>
4082
4083         * script-sections.cc (Script_sections::create_segments): Use
4084         header_size_adjustment even when there is enough room for the
4085         headers.
4086         * testsuite/script_test_4.sh: New file.
4087         * testsuite/script_test_4.t: New file.
4088         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
4089         (check_DATA): Add script_test_4.stdout.
4090         (MOSTLYCLEANFILES): Likewise.
4091         (script_test_4): New target.
4092         (script_test_4.stdout): New target.
4093         * testsuite/Makefile.in: Rebuild.
4094
4095         * sparc.cc: Add definitions for Output_data_plt_sparc class
4096         constants.
4097
4098 2008-04-14  David S. Miller  <davem@davemloft.net>
4099
4100         * sparc.cc: New file.
4101         * Makefile.am (TARGETSOURCES): Add sparc.cc
4102         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
4103         * configure.tgt: Document targ_extra_size and
4104         targ_extra_big_endian.  Add entries for sparc-* and
4105         sparc64-*.
4106         * configure.ac: Handle targ_extra_size and
4107         targ_extra_big_endian.
4108         * Makefile.in: Rebuild.
4109         * configure: Likewise.
4110         * po/POTFILES.in: Likewise.
4111         * po/gold.pot: Likewise.
4112
4113 2008-04-14  Ian Lance Taylor  <iant@google.com>
4114
4115         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
4116         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
4117         in the name/type/flags to section mapping.  Don't call
4118         allocate_output_section.
4119         (Layout::choose_output_section): Change parameter from adjust_name
4120         to is_input_section.  Don't permit input sections after sections
4121         are attached to segments.  Don't call allocate_output_section.
4122         (Layout::layout_eh_frame): Call update_flags_for_input_section,
4123         not write_enable_output_section.
4124         (Layout::make_output_section): Don't push to
4125         unattached_section_list_ nor call attach_to_segment.  Call
4126         attach_section_to_segment if sections are attached.
4127         (Layout::attach_sections_to_segments): New function.
4128         (Layout::attach_section_to_segment): New function.
4129         (Layout::attach_allocated_section_to_segment): Rename from
4130         attach_to_segment.  Remove flags parameter.
4131         (Layout::allocate_output_section): Remove function.
4132         (Layout::write_enable_output_section): Remove function.
4133         * layout.h (class Layout): Update for above changes.  Add new
4134         field sections_are_attached_.
4135         * output.h (Output_section::update_flags_for_input_section): New
4136         function.
4137         * output.cc (Output_section::add_input_section): Call
4138         update_flags_for_input_section.
4139         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
4140
4141 2008-04-11  Cary Coutant  <ccoutant@google.com>
4142
4143         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
4144         thought unnecessary.
4145         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
4146
4147 2008-04-11  Ian Lance Taylor  <iant@google.com>
4148
4149         * output.h (class Output_section_data): Remove inline definition
4150         of set_addralign.
4151         * output.cc (Output_section_data::set_addralign): New function.
4152
4153 2008-04-11  Cary Coutant  <ccoutant@google.com>
4154
4155         Add support for TLS descriptors for i386 and x86_64.
4156         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
4157         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
4158         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
4159         GOT_TYPE_TLS_DESC.
4160         (Target_i386::got_mod_index_entry): Remove unnecessary code.
4161         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
4162         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
4163         relocations.
4164         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
4165         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
4166         Fix problem with initial-exec relocations.
4167         (Target_i386::Relocate::relocate_tls): Likewise.
4168         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
4169         relaxation.
4170         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
4171         support for section-plus-offset dynamic table entries.
4172         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
4173         (Output_data_dynamic::Dynamic_entry): Add support for
4174         section-plus-offset dynamic table entries.
4175         (Output_data_dynamic::Classification): Likewise.
4176         (Output_data_dynamic::classification_): Renamed offset_.
4177         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
4178         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
4179         (Target_x86_64::make_plt_section): New function.
4180         (Target_x86_64::reserve_tlsdesc_entries): New function.
4181         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
4182         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
4183         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
4184         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
4185         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
4186         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
4187         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
4188         add extra PLT entry for TLS descriptors.
4189         (Output_data_plt_x86_64::got_): New field.
4190         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
4191         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
4192         fields.
4193         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
4194         descriptors.
4195         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
4196         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
4197         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
4198         R_386_TLS_DESC_CALL relocations.
4199         (Target_x86_64::Scan::global): Likewise.
4200         (Target_x86_64::do_finalize_sections): Add dynamic table entries
4201         for TLS descriptors.
4202         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
4203         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
4204         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
4205         GD-to-IE relaxation.
4206         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
4207         and TLS_DESCRIPTORS.
4208         * Makefile.in: Rebuild.
4209         * configure: Rebuild.
4210         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
4211         (tls_test_shared2.so): New target.
4212         (tls_shared_gd_to_ie_test_SOURCES): New variable.
4213         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
4214         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
4215         (tls_shared_gd_to_ie_test_LDADD): New variable.
4216         (tls_shared_gnu2_gd_to_ie_test): New target.
4217         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
4218         New targets.
4219         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
4220         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
4221         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
4222         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
4223         (tls_shared_gnu2_test): New target.
4224         (tls_test_gnu2_shared.so): New target.
4225         (tls_shared_gnu2_test_SOURCES): New variable.
4226         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
4227         (tls_shared_gnu2_test_LDFLAGS): New variable.
4228         (tls_shared_gnu2_test_LDADD): New variable.
4229         * testsuite/Makefile.in: Rebuild.
4230         * testsuite/Makefile.
4231
4232 2008-04-11  Ian Lance Taylor  <iant@google.com>
4233
4234         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
4235         justsyms.t.
4236         * testsuite/Makefile.in: Rebuild.
4237
4238         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
4239         long.
4240         * testsuite/script_test_2.cc (main): Adjust test.
4241
4242 2008-04-11  David S. Miller  <davem@davemloft.net>
4243             Ian Lance Taylor  <iant@google.com>
4244
4245         * options.h (General_options): Add entries for '-Y' and
4246         '-relax'.
4247         * options.cc (General_options:finalize): If -Y was used, add those
4248         entries to the library path instead of the default "/lib" and
4249         "/usr/lib".
4250
4251 2008-04-11  David S. Miller  <davem@davemloft.net>
4252
4253         * testsuite/justsyms.t: Start at 0x100.
4254         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
4255         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
4256         long.
4257         * testsuite/script_test_2.cc: Adjust string and section length
4258         checks.
4259
4260 2008-04-09  Ian Lance Taylor  <iant@google.com>
4261
4262         PR gold/5996
4263         * script-sections.cc (Sections_element::allocate_to_segment): Add
4264         orphan parameter.
4265         (Output_section_definition::allocate_to_segment): Likewise.
4266         (Orphan_output_section::allocate_to_segment): Likewise.
4267         (Script_sections::attach_sections_using_phdrs_clause): Don't
4268         propagate non-PT_LOAD segments to orphan sections.
4269         * testsuite/Makefile.am (script_test_3.stdout): Generate using
4270         readelf rather than objdump.
4271         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
4272         .interp section and PT_INTERP segment are the same size.
4273         * testsuite/Makefile.in: Rebuild.
4274
4275         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
4276         aliases for symbols defined in the same object.
4277         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
4278         (weak_alias_test_SOURCES): New variable.
4279         (weak_alias_test_DEPENDENCIES): New variable.
4280         (weak_alias_test_LDFLAGS): New variable.
4281         (weak_alias_test_LDADD): New variable.
4282         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
4283         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
4284         (weak_alias_test_3.o): New target.
4285         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
4286         * testsuite/weak_alias_test_main.cc: New file.
4287         * testsuite/weak_alias_test_1.cc: New file.
4288         * testsuite/weak_alias_test_2.cc: New file.
4289         * testsuite/weak_alias_test_3.cc: New file.
4290
4291 2008-04-08  Ian Lance Taylor  <iant@google.com>
4292
4293         * options.h (class General_options): Add --noinhibit-exec option.
4294         * main.cc (main): Check --noinhibit-exec.
4295
4296         * options.h (class General_options): Define --wrap as a special
4297         option.  Add wrap_symbols_ field.
4298         (General_options::any_wrap_symbols): New function.
4299         (General_options::is_wrap_symbol): New function.
4300         * options.cc (General_options::parse_wrap): New function.
4301         (General_options::General_options): Initialize wrap_symbols_.
4302         * symtab.cc (Symbol_table::wrap_symbol): New function.
4303         (Symbol_table::add_from_object): Handle --wrap.
4304         * symtab.h (class Symbol_table): Declare wrap_symbol.
4305         * target.h (Target::wrap_char): New function.
4306         (Target::Target_info): Add wrap_char field.
4307         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
4308         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
4309         * testsuite/testfile.cc (Target_test::test_target_info):
4310         Likewise.
4311
4312         * errors.cc (Errors::undefined_symbol): Mention symbol version if
4313         there is one.
4314
4315         * layout.h (class Layout): Add added_eh_frame_data_ field.
4316         * layout.cc (Layout::Layout): Initialize new field.
4317         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
4318         output section until we find a section we merged successfully.
4319         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
4320         that the size be non-zero.
4321
4322         * merge.cc (Object_merge_map::get_output_offset): Remove inline
4323         qualifier.
4324
4325 2008-04-08  Craig Silverstein  <csilvers@google.com>
4326
4327         * configure.ac: Export new conditional variable HAVE_ZLIB.
4328         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
4329         on HAVE_ZLIB.
4330         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
4331         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
4332
4333 2008-04-07  Ian Lance Taylor  <iant@google.com>
4334
4335         * version.cc (version_string): Set to "1.5".
4336
4337         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
4338         Add issued_non_pic_error_ field.  Declare check_non_pic.
4339         (Target_x86_64::Scan::check_non_pic): New function.
4340         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
4341         (Target_x86_64::Scan::global): Likewise.
4342
4343         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
4344         addend parameter.  Change caller.  Handle merge sections.
4345         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
4346         Address to Addend.  Don't add in the result of
4347         local_section_offset, pass down the addend and use the returned
4348         value.
4349         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
4350         Update declarations of local_section_offset and symbol_value.
4351         * testsuite/two_file_test_1.cc (t18): New function.
4352         * testsuite/two_file_test_2.cc (f18): New function.
4353         * testsuite/two_file_test_main.cc (main): Call t18.
4354         * testsuite/two_file_test.h (t18, f18): Declare.
4355
4356         * configure.ac: Don't test for objdump, c++filt, or readelf.
4357         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
4358         conditionals.
4359         (TEST_READELF): New variable.
4360         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
4361         (check_PROGRAMS): Add two_file_strip_test.
4362         (two_file_strip_test): New target.
4363         (check_PROGRAMS): Add two_file_same_shared_strip_test.
4364         (two_file_same_shared_strip_test_SOURCES): New variable.
4365         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
4366         (two_file_same_shared_strip_test_LDFLAGS): New variable.
4367         (two_file_same_shared_strip_test_LDADD): New variable.
4368         (two_file_shared_strip.so): New target.
4369         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
4370         (ver_test_5.syms, ver_test_7.syms): Likewise.
4371         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
4372         (strip_test_3.stdout): Use TEST_OBJDUMP.
4373         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
4374
4375 2008-04-04  Cary Coutant  <ccoutant@google.com>
4376
4377         * symtab.h (Symbol::is_weak_undefined): New function.
4378         (Symbol::is_strong_undefined): New function.
4379         (Symbol::is_absolute): New function.
4380         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
4381         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
4382         absolute symbols.
4383         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
4384         (weak_undef_test): New target.
4385         * testsuite/Makefile.in: Rebuild.
4386         * testsuite/weak_undef_file1.cc: New file.
4387         * testsuite/weak_undef_file2.cc: New file.
4388         * testsuite/weak_undef_test.cc: New file.
4389
4390 2008-04-03  Craig Silverstein  <csilvers@google.com>
4391
4392         * compressed_output.h (class Output_compressed_section): Use
4393         unsigned buffer.
4394         * compressed_output.cc (zlib_compress): Use unsigned buffers,
4395         add zlib header.
4396         (zlib_compressed_suffix): Removed.
4397         (Output_compressed_section::set_final_data_size): Use unsigned
4398         buffers.
4399         * testsuite/Makefile.am (flagstest_compress_debug_sections):
4400         Fix linker invocation.
4401         (flagstest_o_specialfile_and_compress_debug_sections):
4402         Likewise.
4403         * testsuite/Makefile.in: Regenerated.
4404
4405 2008-04-02  David S. Miller  <davem@davemloft.net>
4406
4407         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
4408         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
4409
4410 2008-04-02  Craig Silverstein  <csilvers@google.com>
4411
4412         * TODO: New file.
4413
4414 2008-04-02  Ian Lance Taylor  <iant@google.com>
4415
4416         * fileread.cc (File_read::find_view): Add byteshift and vshifted
4417         parameters.  Update for new key type to views_.  Change all
4418         callers.
4419         (File_read::read): Adjust for byteshift in returned view.
4420         (File_read::add_view): New function, broken out of
4421         find_and_make_view.
4422         (File_read::make_view): New function, broken out of
4423         find_and_make_view.
4424         (File_read::find_or_make_view): Add offset and aligned
4425         parameters.  Rewrite accordingly.  Change all callers.
4426         (File_read::get_view): Add offset and aligned parameters.  Adjust
4427         for byteshift in return value.
4428         (File_read::get_lasting_view): Likewise.
4429         * fileread.h (class File_read): Update declarations.
4430         (class File_read::View): Add byteshift_ field.  Add byteshift to
4431         constructor.  Add byteshift method.
4432         * archive.h (Archive::clear_uncached_views): New function.
4433         (Archive::get_view): Add aligned parameter.  Change all callers.
4434         * object.h (Object::get_view): Add aligned parameter.  Change all
4435         callers.
4436         (Object::get_lasting_view): Likewise.
4437
4438         * fileread.cc (File_read::release): Don't call clear_views if
4439         there are multiple objects.
4440         * fileread.h (File_read::clear_uncached_views): New function.
4441         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
4442         on the archive.
4443
4444 2008-03-31  Cary Coutant  <ccoutant@google.com>
4445
4446         Add thin archive support.
4447         * archive.cc (Archive::armagt): New const.
4448         (Archive::setup): Remove task parameter and calls to unlock.
4449         (Archive::unlock_nested_archives): New function.
4450         (Archive::read_header): Add nested_off parameter. Change
4451         all callers.
4452         (Archive::interpret_header): Likewise.
4453         (Archive::include_all_members): Change to handle thin
4454         archives.
4455         (Archive::include_member): Likewise.
4456         * archive.h (Archive::Archive): Add new parameters and
4457         initializers.
4458         (Archive::armagt): New const.
4459         (Archive::setup): Remove task parameter.
4460         (Archive::unlock_nested_archives): New function.
4461         (Archive::read_header): Add nested_off parameter.
4462         (Archive::interpret_header): Likewise.
4463         (Archive::Nested_archive_table): New typedef.
4464         (Archive::is_thin_archive_): New field.
4465         (Archive::nested_archives_): New field.
4466         (Archive::options_): New field.
4467         (Archive::dirpath_): New field.
4468         (Archive::task_): New field.
4469         * readsyms.cc (Read_symbols::do_read_symbols): Add check
4470         for thin archives.  Pass additional parameters to
4471         Archive::Archive.  Unlock the archive file after calling
4472         Archive::setup.
4473
4474 2008-03-29  Ian Lance Taylor  <iant@google.com>
4475
4476         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
4477         version symbol to be local.
4478         * testsuite/ver_test_4.sh: New file.
4479         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
4480         (check_DATA): Add ver_test_4.syms.
4481         (ver_test_4.syms): New target.
4482         * testsuite/Makefile.in: Rebuild.
4483
4484         * output.cc
4485         (Output_section::Input_section_sort_entry::has_priority): New
4486         function.
4487         (Output_section::Input_section_sort_entry::match_file_name): New
4488         function.
4489         (Output_section::Input_section_sort_entry::match_section_name):
4490         Remove.
4491         (Output_section::Input_section_sort_entry::match_section_name_prefix):
4492         Remove.
4493         (Output_section::Input_section_sort_entry::match_section_file):
4494         Remove.
4495         (Output_section::Input_section_sort_compare::operator()): Rewrite
4496         using new Input_section_sort_entry functions.  Sort crtbegin and
4497         crtend first.  Sort sections with no priority before sections with
4498         a priority.
4499         * testsuite/initpri1.c (d3): Check j != 4.
4500         (cd5): New constructor/destructor function.
4501         (main): Check j != 2.
4502
4503         * symtab.cc (Symbol_table::add_from_object): If we don't use the
4504         new symbol when resolving, don't call set_is_default.
4505         * testsuite/ver_test_7.cc: New file.
4506         * testsuite/ver_test_7.sh: New file.
4507         * testsuite/Makefile.am (ver_test_7.so): New target.
4508         (ver_test_7.o): New target.
4509         (check_SCRIPTS): Add ver_test_7.sh.
4510         (check_DATA): Add ver_test_7.syms.
4511         (ver_test_7.syms): New target.
4512
4513 2008-03-28  Ian Lance Taylor  <iant@google.com>
4514
4515         * layout.cc (Layout::layout): If we see an input section with a
4516         name that needs sorting, set the must_sort flag for the output
4517         section.
4518         (Layout::make_output_section): If the name of the output section
4519         indicates that it might require sorting, set the may_sort flag.
4520         * output.h (Output_section::may_sort_attached_input_sections): New
4521         function.
4522         (Output_section::set_may_sort_attached_input_sections): New
4523         function.
4524         (Output_section::must_sort_attached_input_sections): New
4525         function.
4526         (Output_section::set_must_sort_attached_input_sections): New
4527         function.
4528         (class Output_section): Declare Input_section_sort_entry.  Define
4529         Input_section_sort_compare.  Declare
4530         sort_attached_input_sections.  Add new fields:
4531         may_sort_attached_input_sections_,
4532         must_sort_attached_input_sections_,
4533         attached_input_sections_are_sorted_.
4534         * output.cc (Output_section::Output_section): Initialize new
4535         fields.
4536         (Output_section::add_input_section): Add an entry to
4537         input_sections_ if may_sort or must_sort are true.
4538         (Output_section::set_final_data_size): Call
4539         sort_attached_input_sections if necessary.
4540         (Output_section::Input_section_sort_entry): Define new class.
4541         (Output_section::Input_section_sort_compare::operator()): New
4542         function.
4543         (Output_section::sort_attached_input_sections): New function.
4544         * configure.ac: Check whether the compiler supports constructor
4545         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
4546         * testsuite/initpri1.c: New file.
4547         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
4548         CONSTRUCTOR_PRIORITY.
4549         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
4550         (initpri1_LDFLAGS): New variable.
4551         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
4552
4553 2008-03-27  Ian Lance Taylor  <iant@google.com>
4554
4555         * common.cc (Sort_commons::operator): Correct sorting algorithm.
4556         * testsuite/common_test_1.c: New file.
4557         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
4558         (common_test_1_SOURCES): New variable.
4559         (common_test_1_DEPENDENCIES): New variable.
4560         (common_test_1_LDFLAGS): New variable.
4561
4562         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
4563         and commons_ correctly when NAME/VERSION does not override
4564         NAME/NULL.
4565         * testsuite/ver_test_6.c: New file.
4566         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
4567         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
4568         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
4569
4570 2008-03-26  Ian Lance Taylor  <iant@google.com>
4571
4572         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
4573         of an undefined symbol from a version script.
4574         * testsuite/Makefile.am (ver_test_5.so): New target.
4575         (ver_test_5.o): New target.
4576         (check_SCRIPTS): Add ver_test_5.sh.
4577         (check_DATA): Add ver_test_5.syms.
4578         (ver_test_5.syms): New target.
4579         * testsuite/ver_test_5.cc: New file.
4580         * testsuite/ver_test_5.script: New file.
4581         * testsuite/ver_test_5.sh: New file.
4582         * Makefile.in, testsuite/Makefile.in: Rebuild.
4583
4584         PR gold/5986
4585         Fix problems building gold with gcc 4.3.0.
4586         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
4587         (gold_error_at_location, gold_warning_at_location): Use it.
4588         * configure.ac: Check whether we can compile and use a template
4589         function with a printf attribute.
4590         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
4591         when jumping over bytes.
4592         * object.cc: Instantiate Object::read_section_data.
4593         * debug.h: Include <cstring>
4594         * dwarf_reader.cc: Include <algorithm>
4595         * main.cc: Include <cstring>.
4596         * options.cc: Include <cstring>.
4597         * output.cc: Include <cstring>.
4598         * script.cc: Include <cstring>.
4599         * script.h: Include <string>.
4600         * symtab.cc: Include <cstring> and <algorithm>.
4601         * target-select.cc: Include <cstring>.
4602         * version.cc: Include <string>.
4603         * testsuite/testmain.cc: Include <cstdlib>.
4604         * configure, config.in: Rebuild.
4605
4606 2008-03-25  Ian Lance Taylor  <iant@google.com>
4607
4608         * options.cc: Include "../bfd/bfdver.h".
4609         (options::help): Print bug reporting address.
4610
4611         * version.cc (print_version): Adjust output for current value of
4612         BFD_VERSION_STRING.
4613
4614         * NEWS: New file.
4615
4616         * options.cc (options::help): Print list of supported targets.
4617         * target-select.h: Include <vector>.
4618         (class Target_selector): Make machine_, size_, and is_big_endian_
4619         fields const.  Add bfd_name_ and instantiated_target_ fields.
4620         (Target_selector::Target_selector): Add bfd_name parameter.
4621         (Target_selector::recognize): Make non-virtual, call
4622         do_recognize.
4623         (Target_selector::recognize_by_name): Make non-virtual, call
4624         do_recognize_by_name.
4625         (Target_selector::supported_names): New function.
4626         (Target_selector::bfd_name): New function.
4627         (Target_selector::do_instantiate_target): New pure virtual
4628         function.
4629         (Target_selector::do_recognize): New virtual function.
4630         (Target_selector::do_recognize_by_name): New virtual function.
4631         (Target_selector::instantiate_target): New private function.
4632         (supported_target_names): Declare.
4633         * target-select.cc (Target_selector::Target_selector): Update for
4634         new parameter and fields.
4635         (select_target_by_name): Check that the name matches before
4636         calling recognize_by_name.
4637         (supported_target_names): New function.
4638         * i386.cc (class Target_selector_i386): Update Target_selector
4639         constructor call.  Remove recognize and recognize_by_name.  Add
4640         do_instantiate_target.
4641         * x86_64.cc (class Target_selector_x86_64): Likewise.
4642         * testsuite/testfile.cc (class Target_selector_test): Update for
4643         changes to Target_selector.
4644
4645         * README: Rewrite, with some notes on unsupported features.
4646
4647 2008-03-24  Cary Coutant  <ccoutant@google.com>
4648
4649         * i386.cc (Target_i386::Got_type): New enum declaration.
4650         (Target_i386::Scan::local): Updated callers of Output_data_got
4651         member functions.
4652         (Target_i386::Scan::global): Likewise.
4653         (Target_i386::Relocate::relocate): Likewise.
4654         (Target_i386::Relocate::relocate_tls): Likewise.
4655         * object.h (Got_offset_list): New class.
4656         (Sized_relobj::local_has_got_offset): Added got_type parameter.
4657         (Sized_relobj::local_got_offset): Likewise.
4658         (Sized_relobj::set_local_got_offset): Likewise.
4659         (Sized_relobj::local_has_tls_got_offset): Removed.
4660         (Sized_relobj::local_tls_got_offset): Removed.
4661         (Sized_relobj::set_local_tls_got_offset): Removed.
4662         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
4663         * output.cc (Output_data_got::add_global): Added got_type parameter.
4664         (Output_data_got::add_global_with_rel): Likewise.
4665         (Output_data_got::add_global_with_rela): Likewise.
4666         (Output_data_got::add_global_pair_with_rel): New function.
4667         (Output_data_got::add_global_pair_with_rela): New function.
4668         (Output_data_got::add_local): Added got_type parameter.
4669         (Output_data_got::add_local_with_rel): Likewise.
4670         (Output_data_got::add_local_with_rela): Likewise.
4671         (Output_data_got::add_local_pair_with_rel): New function.
4672         (Output_data_got::add_local_pair_with_rela): New function.
4673         (Output_data_got::add_global_tls): Removed.
4674         (Output_data_got::add_global_tls_with_rel): Removed.
4675         (Output_data_got::add_global_tls_with_rela): Removed.
4676         (Output_data_got::add_local_tls): Removed.
4677         (Output_data_got::add_local_tls_with_rel): Removed.
4678         (Output_data_got::add_local_tls_with_rela): Removed.
4679         * output.h (Output_data_got::add_global): Added got_type parameter.
4680         (Output_data_got::add_global_with_rel): Likewise.
4681         (Output_data_got::add_global_with_rela): Likewise.
4682         (Output_data_got::add_global_pair_with_rel): New function.
4683         (Output_data_got::add_global_pair_with_rela): New function.
4684         (Output_data_got::add_local): Added got_type parameter.
4685         (Output_data_got::add_local_with_rel): Likewise.
4686         (Output_data_got::add_local_with_rela): Likewise.
4687         (Output_data_got::add_local_pair_with_rel): New function.
4688         (Output_data_got::add_local_pair_with_rela): New function.
4689         (Output_data_got::add_global_tls): Removed.
4690         (Output_data_got::add_global_tls_with_rel): Removed.
4691         (Output_data_got::add_global_tls_with_rela): Removed.
4692         (Output_data_got::add_local_tls): Removed.
4693         (Output_data_got::add_local_tls_with_rel): Removed.
4694         (Output_data_got::add_local_tls_with_rela): Removed.
4695         * resolve.cc (Symbol::override_base_with_special): Removed
4696         reference to has_got_offset_ field.
4697         * symtab.cc (Symbol::init_fields): Replaced initialization
4698         of got_offset_ with got_offsets_.  Removed initialization
4699         of has_got_offset_
4700         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
4701         (Symbol::got_offset): Likewise.
4702         (Symbol::set_got_offset): Likewise.
4703         (Symbol::has_tls_got_offset): Removed.
4704         (Symbol::tls_got_offset): Removed.
4705         (Symbol::set_tls_got_offset): Removed.
4706         (Symbol::got_offset_): Removed.
4707         (Symbol::tls_mod_got_offset_): Removed.
4708         (Symbol::tls_pair_got_offset_): Removed.
4709         (Symbol::got_offsets_): New field.
4710         (Symbol::has_got_offset): Removed.
4711         (Symbol::has_tls_mod_got_offset): Removed.
4712         (Symbol::has_tls_pair_got_offset): Removed.
4713         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
4714         (Target_x86_64::Scan::local): Updated callers of Output_data_got
4715         member functions.
4716         (Target_x86_64::Scan::global): Likewise.
4717         (Target_x86_64::Relocate::relocate): Likewise.
4718         (Target_x86_64::Relocate::relocate_tls): Likewise.
4719
4720 2008-03-25  Ben Elliston  <bje@au.ibm.com>
4721
4722         * yyscript.y: Fix spelling error in comment.
4723
4724 2008-03-24  Ian Lance Taylor  <iant@google.com>
4725
4726         * options.h (class General_options): Define build_id option.
4727         * layout.h (class Layout): Declare write_build_id, create_note,
4728         create_build_id.  Add build_id_note_ member.
4729         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
4730         "libiberty.h", "md5.h", "sha1.h".
4731         (Layout::Layout): Initialize eh_frame_data_,
4732         eh_frame_hdr_section_, and build_id_note_.
4733         (Layout::finalize): Call create_build_id.
4734         (Layout::create_note): New function, broken out of
4735         Layout::create_gold_note.
4736         (Layout::create_gold_note): Call create_note.
4737         (Layout::create_build_id): New function.
4738         (Layout::write_build_id): New function.
4739         (Close_task_runner::run): Call write_build_id.
4740
4741         * x86_64.cc: Correct license to GPLv3.
4742
4743 2008-03-23  Ian Lance Taylor  <iant@google.com>
4744
4745         * options.cc: Include "demangle.h".
4746         (parse_optional_string): New function.
4747         (parse_long_option): Handle takes_optional_argument.
4748         (parse_short_option): Update dash_z initializer.  Handle
4749         takes_optional_argument.
4750         (General_options::General_options): Initialize do_demangle_.
4751         (General_options::finalize): Set do_demangle_.  Handle demangling
4752         style.
4753         * options.h (parse_optional_string): Declare.
4754         (struct One_option): Add optional_arg field.  Update constructor.
4755         Update call constructor calls.  Add takes_optional_argument
4756         function.
4757         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
4758         (DEFINE_optional_string): Define.
4759         (General_options::demangle): Change from DEFINE_bool to
4760         DEFINE_optional_string.
4761         (General_options::no_demangle): New function.
4762         (General_options::do_demangle): New function.
4763         (General_options::set_do_demangle): New function.
4764         (General_options::execstack_status_): Move definition to end of
4765         class definition.
4766         (General_options::static_): Likewise.
4767         (General_options::do_demangle_): New field.
4768         * object.cc (big_endian>::get_symbol_location_info): Call
4769         Options::do_demangle, not Options::demangle.
4770         * symtab.cc (demangle): Likewise.
4771
4772 2008-03-22  Ian Lance Taylor  <iant@google.com>
4773
4774         * gold.h: Include <cstddef> and <sys/types.h>
4775         * options.h: Include <cstring>.
4776
4777 2008-03-21  Ian Lance Taylor  <iant@google.com>
4778
4779         * Added source code to GNU binutils.