2009-11-25 Doug Kwan <dougkwan@google.com>
[external/binutils.git] / gold / ChangeLog
1 2009-11-25  Doug Kwan  <dougkwan@google.com>
2
3         * arm.cc (Target_arm::Target_arm): Move method definition outside of
4         class definition.  Add code to handle --target1-rel, --target1-abs
5         and --target2= options.
6         (Target_arm::get_reloc_reloc_type): Change method to be non-static
7         and const.
8         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
9         member declaration.
10         (Target_arm::Scan::local, Target_arm::Scan::global,
11         Target_arm::Relocate::relocate,
12         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
13         call to Target_arm::get_real_reloc_type.
14         (Target_arm::get_real_reloc_type): Use command line options to
15         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
16         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
17         options.
18
19 2009-11-25  Doug Kwan  <dougkwan@google.com>
20
21         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
22         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
23         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
24         formatting.
25         (Arm_relocate_functions::thm_call): Replace body with a call to
26         Arm_relocate_functions::thumb_branch_common.
27         (Arm_relocate_functions::thm_jump24,
28         Arm_relocate_functions::thm_xpc22): New method definitions.
29         (Arm_relocate_functions::thumb_branch_common): New method definition.
30         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
31         operator.
32         (Target_arm::Relocate::relocate): Adjust call to thm_call.
33         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
34
35 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
36
37         * Makefile.am: Build incremental-dump
38         * Makefile.in: Regenerate.
39         * incremental-dump.cc: New.
40         * incremental.cc (Incremental_inputs_header_data,
41         Incremental_inputs_entry_data): Move to incremental.h
42         * incremental.h: (Incremental_inputs_header_data,
43         Incremental_inputs_entry_data): Move from incremental.cc
44
45 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
46
47         * incremental.cc (Incremental_inputs_header,
48         Incremental_inputs_header_write, Incremental_inputs_entry,
49         Incremental_inputs_entry_write): Add a typedef with the data type.
50
51 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
52
53         * incremental.cc (Incremental_inputs_header,
54         Incremental_inputs_header_write, Incremental_inputs_entry,
55         Incremental_inputs_entry_write): Update comment about which
56         type has the filed descriptions.
57
58 2009-11-15  Doug Kwan  <dougkwan@google.com>
59
60         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
61         (Arm_relocate_functions::arm_branch_common): Change method defintion
62         in class definition to a method declaration and update list of formal
63         parameters.
64         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
65         Arm_relocation_functions::jump24): Adjust call to
66         Arm_relocate_functions::arm_branch_common.  Update list of formal
67         parameters.
68         (Arm_relocate_functions::xpc25): New method definition.
69         (Arm_relocate_functions::arm_branch_common): Move method defintion
70         out from class definition.  Use stubs for mode-switching and extending
71         branch ranges.
72         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
73         specially.  Change code to enable use of stubs in ARM branches.
74
75 2009-11-10  Doug Kwan  <dougkwan@google.com>
76
77         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
78         in method declaration.
79         (Target_arm::relocate_stub): New method declaration.
80         (Target_arm::default_target): Change to return a pointer instead of
81         a const reference.
82         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
83         Target_arm::default_target.
84         (Arm_Relobj::do_relocate_sections): Remove options paramater in
85         method definition.
86         (Target_arm::relocate_section): Adjust view.
87         (Target_arm::relocate_stub): New method definition.
88
89 2009-11-10  Doug Kwan  <dougkwan@google.com>
90
91         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
92         a format warning.
93         * incremental.cc (open_incremental_binary): Initialized local
94         variables to avoid warnings.
95         * object.cc (make_elf_object): Ditto.
96         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
97         a format warning.
98  
99 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
100
101         PR gold/10930
102         * testsuite/plugin_test.c: Include "config.h".
103
104 2009-11-09  Doug Kwan  <dougkwan@google.com>
105
106         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
107         (arm_symbol_value): Remove.
108         (Arm_relocate_functions::arm_branch_common,
109         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
110         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
111         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
112         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
113         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
114         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
115         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
116         Arm_relocate_functions::thm_mobw_abs_nc,
117         Arm_relocate_functions::thm_mov_abs,
118         Arm_relocate_functions::movw_prel_nc,
119         Arm_relocate_functions::thm_movt_abs,
120         Arm_relocate_functions::movt_prel,
121         Arm_relocate_functions::thm_movw_prel_nc,
122         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
123         (Target_arm::Relocate::relocate): Only decompose address into two
124         parts if relocation type uses the thumb-bit and pass the actual
125         bit instead of a flag indicating that the thumb-bit is used.  Adjust
126         calls to methods in Arm_relocate_functions for this change.
127
128 2009-11-08  Ian Lance Taylor  <ian@airs.com>
129
130         PR 10925
131         * reloc.cc: Instantiate
132         Sized_relobj::initialize_input_to_output_maps and
133         Sized_relobj:free_input_to_output_maps.
134
135 2009-11-06  Ian Lance Taylor  <iant@google.com>
136
137         PR 10876
138         * defstd.cc (in_segment): Set only_if_ref true for "end".
139
140 2009-11-06  Doug Kwan  <dougkwan@google.com>
141
142         * arm.cc (class Reloc_stub): Correct a comment.
143         (Target_arm::Target_arm): Initialize arm_input_section_map_.
144         (Target_arm::scan_section_for_stubs): New method declaration.
145         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
146         Change methods from private to protected.
147         (Target_arm::do_may_relax): New method definition.
148         (Target_arm::do_relax, Target_arm::group_sections,
149         Target_arm::scan_reloc_for_stub,
150         Target_arm::scan_reloc_section_for_stubs): New method declarations.
151         (Target_arm::arm_input_section_map_): New data member declaration.
152         (Target_arm::scan_reloc_for_stub,
153         Target_arm::scan_reloc_section_for_stubs,
154         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
155         Target_arm::do_relax): New method definitions.
156
157 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
158
159         * configure.ac: Check for (struct stat)::st_mtim
160         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
161         * config.in: Regenerate.
162         * configure: Regenerate.
163
164 2009-11-05  Ian Lance Taylor  <iant@google.com>
165
166         PR 10910
167         * output.cc (Output_segment::add_output_section): Add missing
168         return statement.
169
170 2009-11-04  Ian Lance Taylor  <iant@google.com>
171
172         PR 10880
173         * object.h (class Object): Add is_needed and set_is_needed
174         methods.  Add is_needed_ field.  Make bool fields into bitfields.
175         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
176         defined in a dynamic object and referenced by a regular object,
177         set is_needed for the dynamic object.
178         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
179         if the file is marked with as_needed and it is not needed.
180
181 2009-11-04  Ian Lance Taylor  <iant@google.com>
182
183         PR 10887
184         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
185         tags if data is discarded by linker script.
186         * i386.cc (Target_i386::do_finalize_sections): Likewise.
187         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
188         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
189         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
190
191 2009-11-04  Ian Lance Taylor  <iant@google.com>
192
193         * layout.cc (Layout::get_output_section): Add is_interp and
194         is_dynamic_linker_section parameters.  Change all callers.
195         (Layout::choose_output_section): Likewise.
196         (Layout::make_output_section): Likewise.
197         (Layout::add_output_section_data): Add is_dynamic_linker_section
198         parameter.  Change all callers.
199         * layout.h (class Layout): Update declarations.
200         * output.h (class Output_section): Add is_interp, set_is_interp,
201         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
202         Add is_interp_, is_dynamic_linker_section_ fields.  Change
203         generate_code_fills_at_write_ to a bitfield.
204         * output.cc (Output_section::Output_sections): Initialize new
205         fields.
206         (Output_segment::add_output_section): Add do_sort parameter.
207         Change all callers.
208
209 2009-11-03  Ian Lance Taylor  <iant@google.com>
210
211         PR 10860
212         * options.h (class General_options): Add --warn-common.
213         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
214         merging two common symbols.
215         (Symbol_table::should_override): Handle --warn-common when merging
216         a common symbol with a defined symbol.  Use report_resolve_problem
217         for multiple definitions.
218         (Symbol_table::report_resolve_problem): New function.
219         * symtab.h (class Symbol_table): Declare report_resolve_problem.
220
221 2009-11-03  Doug Kwan  <dougkwan@google.com>
222
223         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
224         stub_factory_.
225         (Target_arm::stub_factory): New method definition.
226         (Target_arm::new_arm_input_section,
227         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
228         Target_arm::reloc_uses_thumb_bit): New method declarations.
229         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map): 
230         New type definitions.
231         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
232         member declarations.
233         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
234         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
235         New method definitions.
236
237 2009-11-03  Ian Lance Taylor  <iant@google.com>
238
239         * options.h (class General_options): Add --warn_constructors.
240
241 2009-11-03  Ian Lance Taylor  <iant@google.com>
242
243         PR 10893
244         * defstd.cc (in_section): Add entries for __rel_iplt_start,
245         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
246
247 2009-11-03  Ian Lance Taylor  <iant@google.com>
248
249         PR 10895
250         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
251         --msgid-bugs-address.
252         (install-pdf): New target.
253         (install-data_yes): Look up one directory to find mkinstalldirs.
254
255 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
256
257         * po/Make-in (.po.gmo): Don't generate .gmo files in source
258         tree.
259
260 2009-10-30  Doug Kwan  <dougkwan@google.com>
261
262         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
263
264 2009-10-30  Doug Kwan  <dougkwan@google.com>
265
266         * arm.cc (Stub_addend_reader): New struct template definition
267         and partial specializations.
268         (Stub_addend_reader::operator()): New method definition for a
269         partially specialized template.
270
271 2009-10-30  Doug Kwan  <dougkwan@google.com>
272
273         * arm.cc (Arm_relobj::processor_specific_flags): New method
274         definition.
275         (Arm_relobj::do_read_symbols): New method declaration.
276         (Arm_relobj::processor_specific_flags_): New data member declaration.
277         (Arm_dynobj): New class definition.
278         (Target_arm::do_finalize_sections): Add input_objects parameter.
279         (Target_arm::do_adjust_elf_header): New method declaration.
280         (Target_arm::are_eabi_versions_compatible,
281         (Target_arm::merge_processor_specific_flags): New method declaration.
282         (Target_arm::do_make_elf_object): New overloaded method definitions
283         and declaration.
284         (Arm_relobj::do_read_symbols): New method definition.
285         (Arm_dynobj::do_read_symbols): Ditto.
286         (Target_arm::do_finalize_sections): Add input_objects parameters.
287         Merge processor-specific flags from all input objects.
288         (Target_arm::are_eabi_versions_compatible,
289         Target_arm::merge_processor_specific_flags,
290         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
291         New method definitions.
292         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
293         Input_objects pointer type parameter.
294         * layout.cc (Layout::finalize): Pass input objects to target's.
295         finalize_sections function.
296         * output.cc (Output_file_header::do_sized_write): Set ELF file
297         header's processor-specific flags.
298         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
299         Input_objects pointer type parameter.
300         * sparc.cc (Target_sparc::do_finalize_sections): Same.
301         * target.h (Input_objects): New forward class declaration.
302         (Target::processor_specific_flags,
303         Target::are_processor_specific_flags_sect): New method definitions.
304         (Target::finalize_sections): Add input_objects parameter.
305         (Target::Target): Initialize processor_specific_flags_ and
306         are_processor_specific_flags_set_.
307         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
308         parameter.
309         (Target::set_processor_specific_flags): New method definition.
310         (Target::processor_specific_flags_,
311         Target::are_processor_specific_flags_set_): New data member
312         declarations.
313         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
314         Input_objects pointer type parameter.
315
316 2009-10-30  Doug Kwan  <dougkwan@google.com>
317
318         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
319
320 2009-10-28  Ian Lance Taylor  <iant@google.com>
321
322         * object.h (class Relobj): Drop options parameter from
323         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
324         do_scan_relocs, do_relocate.  Change all callers.
325         (class Sized_relobj): Drop options parameters from
326         do_gc_process_relocs, do_scan_relocs, do_relocate,
327         do_relocate_sections, relocate_sections, emit_relocs_scan,
328         emit_relocs_scan_reltype.  Change all callers.
329         (struct Relocate_info): Remove options field and all references to
330         it.
331         * reloc.h (class Read_relocs): Remove options constructor
332         parameter and options_ field.  Change all callers.
333         (class Gc_process_relocs, class Scan_relocs): Likewise.
334         (class Relocate_task): Likewise.
335         * target-reloc.h (scan_relocs): Remove options parameter.  Change
336         all callers.
337         (scan_relocatable_relocs): Likewise.
338         * target.h (class Sized_target): Remove options parameter from
339         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
340         all callers.
341         * gc.h (gc_process_relocs): Remove options parameter.  Change all
342         callers.
343         * arm.cc: Update functions to remove options parameters.
344         * i386.cc: Likewise.
345         * powerpc.cc: Likewise.
346         * sparc.cc: Likewise.
347         * x86_64.cc: Likewise.
348         * testsuite/testfile.cc: Likewise.
349
350 2009-10-28  Doug Kwan  <dougkwan@google.com>
351
352         * arm.cc (Arm_relobj): New class definition.
353         (Arm_relobj::scan_sections_for_stubs, 
354         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
355         New method definitions.
356
357 2009-10-28  Cary Coutant  <ccoutant@google.com>
358
359         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
360         (Plugin::cleanup_done_): New member.
361         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
362         (Plugin_manager::cleanup_done_): Remove.
363         (Plugin_manager::add_input_file): Edit error message.
364         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
365         (Plugin_manager::cleanup): Remove use of cleanup_done_.
366
367 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
368
369         * fileread.cc: (File_read::View::~View): Use the new
370         data_ownership_ filed.
371         (File_read::~File_read): Dispose the new whole_file_view_.
372         (File_read::open): Mmap the whole file if needed.
373         (File_read::open): Use whole_file_view_ instead of contents_.
374         (File_read::find_view): Use whole_file_view_ if applicable.
375         (File_read::do_read): Use whole_file_view_ instead of contents_.
376         (File_read::make_view): Use whole_file_view_ instead of contents_,
377         update File_read::View::View call.
378         (File_read::find_or_make_view): Update File_read::View::View
379         call.
380         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
381         remove contents_
382         (File_read::View::Data_ownership): New enum.
383         (File_read::View::View): Replace bool mapped_ with Data_ownership
384         argument.
385         (File_read::View::mapped_): Remove (replaced by data_ownership_).
386         (File_read::View::data_ownership_): New field.
387         (File_read::contents_): Remove (replaced by whole_file_view_).
388         (File_read::whole_file_view_): New field.
389         * options.h (class General_options): Add --keep-files-mapped.
390
391 2009-10-27  Cary Coutant  <ccoutant@google.com>
392
393         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
394         * testsuite/Makefile.am (plugin_test_5): New test case.
395         * testsuite/Makefile.in: Regenerate.
396
397 2009-10-25  Doug Kwan  <dougkwan@google.com>
398
399         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
400         from private to protected to allow access by child class.
401         (Sized_relobj::do_relocate_sections): New method declaration.
402         (Sized_relobj::relocate_sections): Virtualize.
403         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from 
404         Sized_relobj::relocate_sections.  Instantiate template explicitly
405         for different target sizes and endianity.
406
407 2009-10-24  Doug Kwan  <dougkwan@google.com>
408
409         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
410         (Arm_input_section::as_arm_input_section): New method.
411         (Arm_output_section): New class definition.
412         (Arm_output_section::create_stub_group,
413         Arm_output_section::group_sections): New method definitions.
414
415 2009-10-22  Doug Kwan  <dougkwan@google.com>
416
417         * arm.cc (Arm_input_section): New class definition.
418         (Arm_input_section::init, Arm_input_section:do_write,
419         Arm_input_section::set_final_data_size,
420         Arm_input_section::do_reset_address_and_file_offset): New method
421         definitions.
422
423 2009-10-21  Doug Kwan  <dougkwan@google.com>
424
425         * arm.cc (Stub_table, Arm_input_section): New forward class
426         declarations.
427         (Stub_table): New class defintion.
428         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
429         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
430         New method definition.
431
432 2009-10-21  Doug Kwan  <dougkwan@google.com>
433
434         * arm.cc: Update copyright comments.
435         (Target_arm): New forward class template declaration.
436         (Arm_address): New type.
437         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
438         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
439         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
440         constants.
441         (Insn_template): Same.
442         (DEF_STUBS): New macro.
443         (Stub_type): New enum type.
444         (Stub_template): New class definition.
445         (Stub): Same.
446         (Reloc_stub): Same.
447         (Stub_factory): Same.
448         (Target_arm::Target_arm): Initialize may_use_blx_ and
449         should_force_pic_veneer_.
450         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
451         Target_arm::should_force_pic_veneer,
452         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
453         Target_arm::using_thumb_only, Target_arm:;default_target): New
454         method defintions.
455         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
456         New data member declarations.
457         (Insn_template::size, Insn_template::alignment): New method defintions.
458         (Stub_template::Stub_template): New method definition.
459         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
460         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
461         (Stub_factory::Stub_factory): New method definition.
462         * gold.h (string_hash): New template.
463         * output.h (Input_section_specifier::hash_value): Use
464         gold::string_hash.
465         (Input_section_specifier::string_hash): Remove.
466         * stringpool.cc (Stringpool_template::string_hash): Use
467         gold::string_hash.
468
469 2009-10-20  Doug Kwan  <dougkwan@google.com>
470
471         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
472         symbols of relaxed input sections.
473         * output.h (Output_section::find_relaxed_input_section): Make
474         method public.
475
476 2009-10-16  Doug Kwan  <dougkwan@google.com>
477
478         * dynobj.cc (Versions::Versions): Initialize version_script_.
479         Only insert base version symbol definition for a shared object
480         if version script defines any version versions.
481         (Versions::define_base_version): New method definition.
482         (Versions::add_def): Check that base version is not needed.
483         (Versions::add_need): Define base version lazily.
484         * dynobj.h (Versions::define_base_version): New method declaration.
485         (Versions::needs_base_version_): New data member declaration.
486         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
487         (check_DATA): Add no_version_test.stdout.
488         (libno_version_test.so, no_version_test.o no_version_test.stdout):
489         New make rules.
490         * testsuite/Makefile.in: Regenerate.
491         * testsuite/no_version_test.c: New file.
492         * testsuite/no_version_test.sh: Ditto.
493
494 2009-10-16  Doug Kwan  <dougkwan@google.com>
495
496         * expression.cc (class Segment_start_expression): New class definition.
497         (Segment_start_expression::value): New method definition.
498         (script_exp_function_segment_start): Return a new
499         Segment_start_expression.
500         * gold/script-c.h (script_saw_segment_start_expression): New function
501         prototype.
502         * script-sections.cc (Script_sections::Script_sections): Initialize
503         SAW_SEGMENT_START_EXPRESSION_ to false.
504         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
505         and -Tbbs options to specify section addresses if given in
506         command line and no SEGMENT_START expression is seen in a script.
507         * script-sections.h (Script_sections::saw_segment_start_expression,
508         Script_sections::set_saw_segment_start_expression): New method
509         definition.
510         (Script_sections::saw_segment_start_expression_): New data member
511         declaration.
512         * script.cc (script_saw_segment_start_expression): New function.
513         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
514         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
515         script_test_7.sh and script_test_8.sh.
516         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
517         script_test_8.stdout.
518         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
519         (script_test_6, script_test_6.stdout, script_test_7,
520         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
521         * Makefile.in: Regenerate.
522         * testsuite/script_test_6.sh: New file.
523         * testsuite/script_test_6.t: Same.
524         * testsuite/script_test_7.sh: Same.
525         * testsuite/script_test_7.t: Same.
526         * testsuite/script_test_8.sh: Same.
527
528 2009-10-16  Doug Kwan  <dougkwan@google.com>
529
530         * output.cc (Output_segment::set_section_list_address): Cast
531         expressions to unsigned long long type to avoid format warnings.
532
533 2009-10-15  Ian Lance Taylor  <iant@google.com>
534
535         * script.cc (Script_options::add_symbol_assignment): Always add a
536         dot assignment to script_sections_.
537         * script-sections.cc (Script_sections::add_dot_assignment):
538         Initialize if necessary.
539
540         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
541         program headers with no load segment if there is a linker script.
542
543         * layout.cc (Layout::set_segment_offsets): Align the file offset
544         to the segment aligment for -N or -n with no load segment.
545         * output.cc (Output_segment::add_output_section): Don't crash if
546         the first section is a TLS section.
547         (Output_segment::set_section_list_addresses): Print an error
548         message if the address moves backward in a linker script.
549         * script-sections.cc
550         (Output_section_element_input::set_section_addresses): Don't
551         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
552         (Orphan_output_section::set_section_addresses): Likewise.
553
554 2009-10-15  Doug Kwan  <dougkwan@google.com>
555
556         * layout.cc (Layout::finish_dynamic_section): Generate tags
557         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
558         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
559         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
560
561 2009-10-14  Ian Lance Taylor  <iant@google.com>
562
563         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
564         fields.
565         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
566         data_shdr fields of relinfo.
567         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
568         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
569         R_386_TLS_LDO_32, adjust based on section flags.
570         (Target_i386::Relocate::fix_up_ldo): Remove.
571
572 2009-10-13  Ian Lance Taylor  <iant@google.com>
573
574         Add support for -pie.
575         * options.h (class General_options): Add -pie and
576         --pic-executable.
577         (General_options::output_is_position_independent): Test -pie.
578         (General_options::output_is_executable): Return true if not shared
579         and not relocatable.
580         (General_options::output_is_pie): Remove.
581         * options.cc (General_options::finalize): Reject incompatible uses
582         of -pie.
583         * gold.cc (queue_middle_tasks): A -pie link is not static.
584         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
585         * symtab.cc (Symbol::final_value_is_known): Return false if
586         output_is_position_independent.
587         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
588         output_is_position_independent.
589         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
590         output_is_position_independent.
591         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
592         output_is_position_independent.
593         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
594         two_file_pie_test.
595         (basic_pie_test.o, basic_pie_test): New targets.
596         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
597         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
598         (two_file_pie_test): New target.
599         * testsuite/Makefile.in: Rebuild.
600         * README: Remove note saying that -pie is not supported.
601
602 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
603
604         * options.h (class General_options): Add -init and -fini.
605         * layout.cc (Layout::finish_dynamic_section): Emit
606         given init and fini functions.
607
608 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
609
610         * gc.h (gc_process_relocs): Check if icf is enabled using new
611         function.
612         * gold.cc (queue_initial_tasks): Likewise.
613         (queue_middle_tasks): Likewise.
614         * object.cc (do_layout): Likewise.
615         * symtab.cc (is_section_folded): Likewise.
616         * main.cc (main): Likewise.
617         * reloc.cc (Read_relocs::run): Likewise.
618         (Sized_relobj::do_scan_relocs): Likewise.
619         * icf.cc (is_function_ctor_or_dtor): New function.
620         (Icf::find_identical_sections): Check if function is ctor or dtor when
621         safe icf is chosen.
622         * options.h (General_options::icf): Change option to be an enum.
623         (Icf_status): New enum.
624         (icf_enabled): New method.
625         (icf_safe_folding): New method.
626         (set_icf_status): New method.
627         (icf_status_): New variable.
628         * (options.cc) (General_options::finalize): Set icf_status_.
629         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
630         icf_test and icf_keep_unique_test to use the --icf enum flag.
631         * testsuite/icf_safe_test.sh: New file.
632         * testsuite/icf_safe_test.cc: New file. 
633
634 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
635
636         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
637         includes to gc.h and icf.h.
638         * arm.cc: Include gc.h.
639         * gold.cc: Likewise.
640         * i386.cc: Likewise.
641         * powerpc.cc: Likewise.
642         * sparc.cc: Likewise.
643         * x86_64.cc: Likewise.
644         * gc.h: Include icf.h.
645
646 2009-10-11  Ian Lance Taylor  <iant@google.com>
647
648         * plugin.cc: Include "gold.h" before other header files.
649
650 2009-10-10  Chris Demetriou  <cgd@google.com>
651
652         * options.h (Input_file_argument::Input_file_type): New enum.
653         (Input_file_argument::is_lib_): Replace with...
654         (Input_file_argument::type_): New member.
655         (Input_file_argument::Input_file_argument): Take Input_file_type
656         'type' rather than boolean 'is_lib' as second argument.
657         (Input_file_argument::is_lib): Use type_.
658         (Input_file_argument::is_searched_file): New function.
659         (Input_file_argument::may_need_search): Handle is_searched_file.
660         * options.cc (General_options::parse_library): Support -l:filename.
661         (General_options::parse_just_symbols): Update for Input_file_argument
662         changes.
663         (Command_line::process): Likewise.
664         * archive.cc (Archive::get_file_and_offset): Likewise.
665         * plugin.cc (Plugin_manager::release_input_file): Likewise.
666         * script.cc (read_script_file, script_add_file): Likewise.
667         * fileread.cc (Input_file::Input_file): Likewise.
668         (Input_file::will_search_for): Handle is_searched_file.
669         (Input_file::open): Likewise.
670         * readsyms.cc (Read_symbols::get_name): Likewise.
671         * testsuite/Makefile.am (searched_file_test): New test.
672         * testsuite/Makefile.in: Regenerate.
673         * testsuite/searched_file_test.cc: New file.
674         * testsuite/searched_file_test_lib.cc: New file.
675
676 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
677             Ian Lance Taylor  <iant@google.com>
678
679         * descriptor.cc: Include <cstdio> and "binary-io.h".
680         (Descriptors::open): Open the files in binary mode always.
681         * script.cc (Lex::get_token): Treat \r as whitespace.
682
683 2009-10-09  Ian Lance Taylor  <iant@google.com>
684
685         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
686
687 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
688             Ian Lance Taylor  <iant@google.com>
689
690         * configure.ac: Check for readv function also.
691         * fileread.cc (readv): Define if not HAVE_READV.
692         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
693         does not exist.
694         * config.in: Regenerate.
695         * configure: Regenerate.
696
697 2009-10-09  Doug Kwan  <dougkwan@google.com>
698
699         * layout.cc (Layout::make_output_section): Call target hook to make
700         ordinary output section.
701         (Layout::finalize): Adjust parameter list of call the
702         Target::may_relax().
703         * layout.h (class Layout::section_list): New method.
704         * merge.h (Output_merge_base::entsize): Change visibility to public.
705         (Output_merge_base::is_string, Output_merge_base::do_is_string):
706         New methods.
707         (Output_merge_string::do_is_string): New method.
708         * object.cc (Sized_relobj::do_setup): renamed from
709         Sized_relobj::set_up.
710         * object.h (Sized_relobj::adjust_shndx,
711         Sized_relobj::initializ_input_to_output_maps,
712         Sized_relobj::free_input_to_output_maps): Change visibilities to
713         protected.
714         (Sized_relobj::setup): Virtualize.
715         (Sized_relobj::do_setup): New method declaration.
716         (Sized_relobj::invalidate_section_offset,
717         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
718         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
719         * options.cc (parse_int): New function.
720         * options.h (parse_int): New declaration.
721         (DEFINE_int): New macro.
722         (stub_group_size): New option.
723         * output.cc (Output_section::Output_section): Initialize memebers
724         merge_section_map_, merge_section_by_properties_map_,
725         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
726         (Output_section::add_input_section): Handled deferred code-fill
727         generation and remove an old comment.
728         (Output_section::add_relaxed_input_section): New method definition.
729         (Output_section::add_merge_input_section): Use merge section by
730         properties map to speed to search.  Update merge section maps
731         as appropriate.
732         (Output_section::build_relaxation_map): New method definition.
733         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
734         Same.
735         (Output_section::relax_input_section): Renamed to
736         Output_section::convert_input_sections_to_relaxed_sections and change
737         interface to take a vector of pointers to relaxed sections.
738         (Output_section::find_merge_section,
739         Output_section::find_relaxed_input_section): New method definitions.
740         (Output_section::is_input_address_mapped,
741         Output_section::output_offset, Output_section::output_address):
742         Use output section data maps to speed up searching.
743         (Output_section::find_starting_output_address): Add comments.
744         (Output_section::do_write,
745         Output_section::write_to_postprocessing_buffer): Do code-fill
746         generation as appropriate.
747         (Output_section::get_input_sections): Invalidate relaxed input section
748         map.
749         (Output_section::restore_states): Adjust type of checkpoint .
750         Invalidate relaxed input section map.
751         * output.h (Output_merge_base): New class declaration.
752         (Input_section_specifier): New class defintion.
753         (class Output_relaxed_input_section) Change base class to
754         Output_section_data_build.
755         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
756         base class initializer.
757         (Output_section::add_relaxed_input_section): New method declaration.
758         (Output_section::Input_section): Change visibility to protected.
759         (Output_section::Input_section::relobj,
760         Output_section::Input_section::shndx): Handle relaxed input sections.
761         Output_section::input_sections) Change visibility to protected.  Also
762         define overload to return a non-const pointer.
763         (Output_section::Merge_section_properties): New class defintion.
764         (Output_section::Merge_section_by_properties_map,
765         Output_section::Output_section_data_by_input_section_map,
766         Output_section::Relaxation_map): New types.
767         (Output_section::relax_input_section): Rename method to
768         Output_section::convert_input_sections_to_relaxed_sections and change
769         interface to take a vector of relaxed section pointers.
770         (Output_section::find_merge_section,
771         Output_section::find_relaxed_input_section,
772         Output_section::build_relaxation_map,
773         Output_section::convert_input_sections_in_list_to_relaxed_sections):
774         New method declarations.
775         (Output_section::merge_section_map_
776         Output_section::merge_section_by_properties_map_,
777         Output_section::relaxed_input_section_map_,
778         Output_section::is_relaxed_input_section_map_valid_,
779         Output_section::generate_code_fills_at_write_): New data members.
780         * script-sections.cc
781         (Output_section_element_input::set_section_addresses): Call
782         current_data_size and addralign methods of relaxed input sections.
783         (Orphan_output_section::set_section_addresses): Call current_data_size
784         and addralign methods of relaxed input sections.
785         * symtab.cc (Symbol_table::compute_final_value): Extract template
786         from the body of Symbol_table::sized_finalize_symbol.
787         (Symbol_table::sized_finalized_symbol): Call
788         Symbol_table::compute_final_value.
789         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
790         (Symbol_table::compute_final_value): New templated method declaration.
791         * target.cc (Target::do_make_output_section): New method defintion.
792         * target.h (Target::make_output_section): New method declaration.
793         (Target::relax): Add more parameters for input objects, symbol table
794         and layout.  Adjust call to do_relax.
795         (Target::do_make_output_section): New method declaration.
796         (Target::do_relax): Add parameters for input objects, symbol table
797         and layout.
798
799 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
800
801         * pread.c: Include stdio.h.
802
803 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
804
805         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
806         defined.
807
808 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
809
810         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
811         Change read_shndx type to unsigned int.
812         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
813         int.
814         (Sized_dwarf_line_info::read_line_mappings): Likewise.
815         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
816         Change read_shndx type to unsigned int.
817         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
818         int.
819         (Sized_dwarf_line_info::read_line_mappings): Likewise.
820         * layout.cc (Layout::create_symtab_sections): Cast the result of
821         local_symcount * symsize to off_t in the gold_assert.
822
823 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
824
825         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
826         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
827         R_ARM_BASE_ABS.
828         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
829         (Arm_relocate_functions::thm_abs5): New function.
830         (Arm_relocate_functions::abs12): New function.
831         (Arm_relocate_functions::abs16): New function.
832         (Arm_relocate_functions::base_abs): New function.
833         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
834         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
835         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
836         R_ARM_BASE_ABS.
837         (Scan::global): Likewise.
838         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
839         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
840         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
841         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
842         R_ARM_BASE_ABS.
843
844 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
845
846         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
847         (Arm_relocate_functions::movt_prel): New function.
848         (Arm_relocate_functions::thm_movw_prel_nc): New function.
849         (Arm_relocate_functions::thm_movt_prel): New function.
850         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
851         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
852         (Scan::global, Relocate::relocate): Likewise.
853         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
854
855 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
856
857         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
858         Incremental_checker.
859         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
860         unsigned int.
861         (class Incremental_inputs_header): New class.
862         (Incremental_inputs_header_writer): Edit comment.
863         (Incremental_inputs_entry): New class.
864         (Incremental_inputs_entry_writer): Edit comment.
865         (Sized_incremental_binary::do_find_incremental_inputs_section):
866         Add *strtab_shndx parameter, fill it.
867         (Sized_incremental_binary::do_check_inputs): New method.
868         (Incremental_checker::can_incrementally_link_output_file): Use
869         Sized_incremental_binary::check_inputs.
870         (Incremental_inputs::report_command_line): Save command line in
871         command_line_.
872         * incremental.h:
873         (Incremental_binary::find_incremental_inputs_section): New
874         method.
875         (Incremental_binary::do_find_incremental_inputs_section): Add
876         strtab_shndx parameter.
877         (Incremental_binary::do_check_inputs): New pure virtual method.
878         (Sized_incremental_binary::do_check_inputs): Declare.
879         (Incremental_checker::Incremental_checker): Add incremental_inputs
880         parameter, use it to initialize incremental_inputs_.
881         (Incremental_checker::incremental_inputs_): New field.
882         (Incremental_checker::command_line): New method.
883         (Incremental_checker::inputs): New method.
884         (Incremental_checker::command_line_): New field.
885
886 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
887
888         * incremental.cc: Include <cstdarg> and "target-select.h".
889         (vexplain_no_incremental): New function.
890         (explain_no_incremental): New function.
891         (Incremental_binary::error): New method.
892         (Sized_incremental_binary::do_find_incremental_inputs_section): New
893         method.
894         (make_sized_incremental_binary): New function.
895         (open_incremental_binary): New function.
896         (can_incrementally_link_file): Add checks if output is ELF and has
897         inputs section.
898         * incremental.h: Include "elfcpp_file.h" and "output.h".
899         (Incremental_binary): New class.
900         (Sized_incremental_binary): New class.
901         (open_incremental_binary): Declare.
902         * object.cc (is_elf_object): Use
903         elfcpp::Elf_recognizer::is_elf_file.
904         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
905         * output.h (Output_file::filesize): New method.
906
907 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
908
909         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
910         New function.
911         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
912         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
913         function.
914         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
915         function.
916         (Arm_relocate_functions::movw_abs_nc): New function.
917         (Arm_relocate_functions::movt_abs): New function.
918         (Arm_relocate_functions::thm_movw_abs_nc): New function.
919         (Arm_relocate_functions::thm_movt_abs): New function.
920         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
921         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
922         (Scan::global): Likewise.
923         (Relocate::relocate): Likewise.
924         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
925
926 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
927
928         * arm.cc (Arm_relocate_functions::got_prel) New function.
929         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
930         (Relocate::relocate): Likewise.
931         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
932
933 2009-10-06  Ian Lance Taylor  <iant@google.com>
934
935         * options.h (class General_options): Define
936         split_stack_adjust_size parameter.
937         * object.h (class Object): Add uses_split_stack_ and
938         has_no_split_stack_ fields.  Add uses_split_stack and
939         has_no_split_stack accessor functions.  Declare
940         handle_split_stack_section.
941         (class Reloc_symbol_changes): Define.
942         (class Sized_relobj): Define Function_offsets.  Declare
943         split_stack_adjust, split_stack_adjust_reltype, and
944         find_functions.
945         * object.cc (Object::handle_split_stack_section): New function.
946         (Sized_relobj::do_layout): Call handle_split_stack_section.
947         * dynobj.cc (Sized_dynobj::do_layout): Call
948         handle_split_stack_section.
949         * reloc.cc (Sized_relobj::relocate_sections): Call
950         split_stack_adjust for executable sections in split_stack
951         objects.  Pass reloc_map to relocate_section.
952         (Sized_relobj::split_stack_adjust): New function.
953         (Sized_relobj::split_stack_adjust_reltype): New function.
954         (Sized_relobj::find_functions): New function.
955         * target-reloc.h: Include "object.h".
956         (relocate_section): Add reloc_symbol_changes parameter.  Change
957         all callers.
958         * target.h (class Target): Add calls_non_split method.  Declare
959         do_calls_non_split virtual method.  Declare match_view and
960         set_view_to_nop.
961         * target.cc: Include "elfcpp.h".
962         (Target::do_calls_non_split): New function.
963         (Target::match_view): New function.
964         (Target::set_view_to_nop): New function.
965         * gold.cc (queue_middle_tasks): Give an error if mixing
966         split-stack and non-split-stack objects with -r.
967         * i386.cc (Target_i386::relocate_section): Add
968         reloc_symbol_changes parameter.
969         (Target_i386::do_calls_non_split): New function.
970         * x86_64.cc (Target_x86_64::relocate_section): Add
971         reloc_symbol_changes parameter.
972         (Target_x86_64::do_calls_non_split): New function.
973         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
974         parameter.
975         * powerpc.cc (Target_powerpc::relocate_section): Add
976         reloc_symbol_changes parameter.
977         * sparc.cc (Target_sparc::relocate_section): Add
978         reloc_symbol_changes parameter.
979         * configure.ac: Call AM_CONDITIONAL for the default target.
980         * configure: Rebuild.
981         * testsuite/Makefile.am (TEST_AS): New variable.
982         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
983         (check_DATA): Add split_i386 and split_x86_64 files.
984         (SPLIT_DEFSYMS): Define.
985         (split_i386_[1234n].o): New targets.
986         (split_i386_[124]): New targets.
987         (split_i386_[1234r].stdout): New targets.
988         (split_x86_64_[1234n].o): New targets.
989         (split_x86_64_[124]): New targets.
990         (split_x86_64_[1234r].stdout): New targets.
991         (MOSTLYCLEANFILES): Add new executables.
992         * testsuite/split_i386.sh: New file.
993         * testsuite/split_x86_64.sh: New file.
994         * testsuite/split_i386_1.s: New file.
995         * testsuite/split_i386_2.s: New file.
996         * testsuite/split_i386_3.s: New file.
997         * testsuite/split_i386_4.s: New file.
998         * testsuite/split_i386_n.s: New file.
999         * testsuite/split_x86_64_1.s: New file.
1000         * testsuite/split_x86_64_2.s: New file.
1001         * testsuite/split_x86_64_3.s: New file.
1002         * testsuite/split_x86_64_4.s: New file.
1003         * testsuite/split_x86_64_n.s: New file.
1004         * testsuite/testfile.cc (Target_test): Update relocation_section
1005         function.
1006         * testsuite/Makefile.in: Rebuild.
1007
1008 2009-10-06  Ian Lance Taylor  <iant@google.com>
1009
1010         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
1011         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
1012         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
1013         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
1014         the address on ldo_addrs_.
1015         (Target_i386::Relocate::fix_up_ldo): New function.
1016
1017 2009-10-06   Rafael Espindola  <espindola@google.com>
1018
1019         * plugin.cc (add_input_library): New.
1020         (Plugin::load): Add add_input_library to tv.
1021         (Plugin_manager::add_input_file): Add the is_lib argument.
1022         (add_input_file): Update call to Plugin_manager::add_input_file.
1023         (add_input_library): New.
1024         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
1025
1026 2009-09-30  Doug Kwan  <dougkwan@google.com>
1027
1028         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
1029         symbol and call Symbol::may_need_copy_reloc to determine if
1030         a copy reloc is needed.
1031         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
1032         nocopyreloc is given in command line.
1033         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
1034         given in command line.
1035         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
1036         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
1037         of the removed Target_i386::may_need_copy_reloc.
1038         * options.h (copyreloc): New option with default value false.
1039         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
1040         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
1041         instead of the removed Target_powerpc::may_need_copy_reloc.
1042         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
1043         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
1044         instead of the removed Target_sparc::may_need_copy_reloc.
1045         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
1046         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
1047         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
1048         instead of the removed Target_x86_64::may_need_copy_reloc.
1049
1050 2009-09-30  Ian Lance Taylor  <iant@google.com>
1051
1052         * object.h (class Object): Remove target_ field, and target,
1053         sized_target, and set_target methods.
1054         (Object::sized_target): Remove.
1055         (class Sized_relobj): Update declarations.  Remove sized_target.
1056         * object.cc (Sized_relobj::setup): Remove target parameter.
1057         Change all callers.
1058         (Input_objects::add_object): Don't do anything with the target.
1059         (make_elf_sized_object): Add punconfigured parameter.  Change all
1060         callers.  Set or test parameter target.
1061         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
1062         Change all callers.
1063         * parameters.cc (Parameters::set_target): Change parameter type to
1064         be non-const.
1065         (Parameters::default_target): Remove.
1066         (set_parameters_target): Change parameter type to be non-const.
1067         (parameters_force_valid_target): New function.
1068         (parameters_clear_target): New function.
1069         * parameters.h (class Parameters): Update declarations.  Remove
1070         default_target method.  Add sized_target and clear_target
1071         methods.  Change target_ to be non-const.
1072         (set_parameters_target): Update declaration.
1073         (parameters_force_valid_target): Declare.
1074         (parameters_clear_target): Declare.
1075         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
1076         as NULL if we aren't searching.
1077         (Add_symbols::run): Don't check for compatible target.
1078         * fileread.cc (Input_file::open_binary): Call
1079         parameters_force_valid_target.
1080         * gold.cc (queue_middle_tasks): Likewise.
1081         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
1082         set_target on object.
1083         * dynobj.h (class Sized_dynobj): Update declarations.
1084         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
1085         make_elf_object returns NULL.
1086         (Archive::include_member): Don't check whether object target is
1087         compatible.
1088         * output.cc (Output_section::add_input_section): Get target from
1089         parameters.
1090         (Output_section::relax_input_section): Likewise.
1091         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
1092         parameters.
1093         (Sized_relobj::do_scan_relocs): Likewise.
1094         (Sized_relobj::relocate_sections): Likewise.
1095         * resolve.cc (Symbol_table::resolve): Likewise.
1096         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
1097         parameter.  Change all callers.
1098         (Symbol_table::add_from_object): Get target from parameters.
1099         (Symbol_table::add_from_relobj): Don't check object target.
1100         (Symbol_table::add_from_dynobj): Likewise.
1101         (Symbol_table::define_special_symbol): Get target from
1102         parameters.
1103         * symtab.h (class Symbol_table): Update declaration.
1104         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
1105         parameter.  Change all callers.  Clear parameter target.
1106         (Binary_test): Test target here.
1107         * testsuite/object_unittest.cc (gold_testsuite): Remove
1108         target_test_pointer parameter.  Change all callers.
1109         (Object_test): Test target here.
1110
1111 2009-09-26  Ian Lance Taylor  <iant@google.com>
1112
1113         * testsuite/initpri1.c: Don't try to use constructor priorities if
1114         compiling with gcc before 4.3.
1115
1116 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
1117
1118         * testsuite/retain_symbols_file_test.sh (check_present): Change
1119         output file name to retain_symbols_file_test.stdout.
1120         (check_absent): Likewise.
1121
1122 2009-09-18  Craig Silverstein  <csilvers@google.com>
1123
1124         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
1125         * options.cc: Include <cerrno> and <fstream>.
1126         (General_options::finalize): Parse -retain-symbols-file tag.
1127         * options.h: New flag.
1128         (General_options): New method should_retain_symbol, new
1129         variable symbols_to_retain.
1130         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
1131         should_retain_symbol map.
1132         * testsuite/Makefile.am (retain_symbols_file_test): New test.
1133         * testsuite/Makefile.in: Regenerate.
1134         * testsuite/retain_symbols_file_test.sh: New file.
1135
1136 2009-09-18  Nick Clifton  <nickc@redhat.com>
1137
1138         * po/es.po: Updated Spanish translation.
1139
1140 2009-09-17  Doug Kwan  <dougkwan@google.com>
1141
1142         * debug.h (DEBUG_RELAXATION): New constant.
1143         (DEBUG_ALL): Add DEBUG_RELAXATION.
1144         (debug_string_to_enum): Add relaxation debug option.
1145         * layout.cc
1146         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
1147         Layout::Relaxation_debug_check::read_sections,
1148         Layout::Relaxation_debug_check::read_sections): New method definitions.
1149         (Layout::Layout): Initialize data members
1150         record_output_section_data_from_scrips_,
1151         script_output_section_data_list_ and relaxation_debug_check_.
1152         (Layout::save_segments, Layout::restore_segments,
1153         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
1154         Layout::relaxation_loop_body): New method definitions.
1155         (Layout::finalize): Support relaxation.  Move section layout code to
1156         Layout::relaxation_loop_body.
1157         (Layout::set_asection_address_from_script): Move code for orphan
1158         section placement out.
1159         (Layout::place_orphan_sections_in_script): New method definition.
1160         * layout.h (Output_segment_headers, Output_file_header):
1161         New forward class declarations.
1162         (Layout::~Layout): Define.
1163         (Layout::new_output_section_data_from_script): New method definition.
1164         (Layout::place_orphan_sections_in_script): New method declaration.
1165         (Layout::Segment_states): New type declaration.
1166         (Layout::save_segments, Layout::restore_segments,
1167         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
1168         Layout::relaxation_loop_body): New method declarations.
1169         (Layout::Output_section_data_list): New type declaration.
1170         (Layout::Relaxation_debug_check): New class definition.
1171         (Layout::record_output_section_data_from_script_,
1172         Layout::script_output_section_data_list_, Layout::segment_states_,
1173         Layout::relaxation_debug_check_): New data members.
1174         * output.cc: (Output_section_headers::do_size): New method definition.
1175         (Output_section_headers::Output_section_headers): Move size
1176         computation to Output_section_headers::do_size.
1177         (Output_segment_headers::do_size): New method definition.
1178         (Output_file_header::Output_file_header): Move size computation to 
1179         Output_file_header::do_size and call it.
1180         (Output_file_header::do_size): New method definition.
1181         (Output_data_group::Output_data_group): Adjust call to
1182         Output_section_data.
1183         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
1184         (Output_symtab_xindex::do_write): Add array bound check.
1185         (Output_section::Input_section::print_to_mapfile): Handle
1186         RELAXED_INPUT_SECTION_CODE.
1187         (Output_section::Output_section): Initialize data member checkpoint_.
1188         (Output_section::~Output_section): Delete checkpoint object pointed
1189         by checkpoint_.
1190         (Output_section::add_input_section): Always add an Input_section if
1191         relaxing.
1192         (Output_section::add_merge_input_section): Add assert.
1193         (Output_section::relax_input_section): New method definition.
1194         (Output_section::set_final_data_size): Set load address to zero for
1195         an unallocated section.
1196         (Output_section::do_address_and_file_offset_have_reset_values):
1197         New method definition.
1198         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
1199         Handle relaxed input section.
1200         (Output_section::sort_attached_input_sections): Checkpoint input
1201         section list lazily.
1202         (Output_section::get_input_sections): Change type of input_sections to
1203         list of Simple_input_section pointers.  Checkpoint input section list
1204         lazily.  Also handle relaxed input sections.
1205         (Output_section::add_input_section_for_script): Take a reference to
1206         a Simple_input_section object instead of Relobj pointer and section
1207         index as parameter.  Handle relaxed input sections.
1208         (Output_section::save_states, Output_section::restore_states): New
1209         method definitions.
1210         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
1211         (Output_data::is_data_size_fixed): New method definition.
1212         (Output_data::reset_addresss_and_file_offset): Do not reset data size
1213         if it is fixed.
1214         (Output_data::address_and_file_offset_have_reset_values): New method
1215         definition.
1216         (Output_data::do_address_and_file_offset_have_reset_values): New method
1217         definition.
1218         (Output_data::set_data_size): Check that data size is not fixed.
1219         (Output_data::fix_data_size): New method definition.
1220         (Output_data::is_data_size_fixed_): New data member.
1221         (Output_section_headers::set_final_data_size): New method definition.
1222         (Output_section_headers::do_size): New method declaration.
1223         (Output_segment_headers::set_final_data_size): New method definition.
1224         (Output_segment_headers::do_size): New method declaration.
1225         (Output_file_header::set_final_data_size)::New method definition.
1226         (Output_file_header::do_size)::New method declaration.
1227         (Output_section_data::Output_section_data): Add new parameter
1228         is_data_size_fixed and use it to fix data size.
1229         (Output_data_const::Output_data_const): Adjust call to base class
1230         constructor and fix data size.
1231         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
1232         base class constructor and fix data size.
1233         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
1234         base class constructor and fix data size.
1235         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
1236         class constructor and fix data size.
1237         (Output_data_group::set_final_data_size): New method definition.
1238         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
1239         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
1240         class constructor and fix data size.
1241         (Output_relaxed_input_section): New class definition.
1242         (Output_section::Simple_input_section): New class definition.
1243         (Output_section::get_input_sections): Adjust parameter list.
1244         (Output_section::add_input_section_for_script): Same.
1245         (Output_section::save_states, Output_section::restore_states,
1246         Output_section::do_address_and_file_offset_have_reset_values,
1247         (Output_section::Input_section::Input_section): Handle
1248         RELAXED_INPUT_SECTION_CODE.  Add new overload for
1249         Output_relaxed_input_section.
1250         (Output_section::Input_section::is_input_section,
1251         Output_section::Input_section::set_output_section): Handle relaxed
1252         input section.
1253         (Output_section::Input_section::is_relaxed_input_section,
1254         Output_section::Input_section::output_section_data,
1255         Output_section::Input_section::relaxed_input_section): New method
1256         definitions.
1257         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
1258         value.
1259         (Output_section::Input_section::u1_): Update comments.
1260         (Output_section::Input_section::u2_): Add new union member poris.
1261         (Output_section::Checkpoint_output_section): New classs definition.
1262         (Output_section::relax_input_section): New method declaration.
1263         (Output_section::checkpoint_): New data member.
1264         (Output_segment): Update comments.
1265         (Output_segment::Output_segment): Un-privatize copy constructor.
1266         (Output_segment::operator=): Un-privatize.
1267         * script-sections.cc (Output_section_element::Input_section_list):
1268         Change element type to Output_section::Simple_input_section.
1269         (Output_section_element_dot_assignment::set_section_addresses):
1270         Register output section data for relaxation clean up.
1271         (Output_data_exression::Output_data_expression): Adjust call to base
1272         constructor to fix data size.
1273         (Output_section_element_data::set_section_addresses): Register
1274         Output_data_expression object for relaxation clean up.
1275         (struct Input_section_info): Replace Relobj pointer and section index
1276         pair with Output_section::Simple_input_section and Convert struct to a
1277         class.
1278         (Input_section_sorter::operator()): Adjust access to
1279         Input_section_info data member to use accessors. 
1280         (Output_section_element_input::set_section_addresses): Use layout
1281         parameter.  Adjust code to use Output_section::Simple_input_section
1282         and Input_secction_info classes.  Register filler for relaxation
1283         clean up.
1284         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
1285         and section index pair with Output_section::Simple_input_section
1286         class.  Adjust code accordingly.
1287         (Phdrs_element::release_segment): New method definition.
1288         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
1289         segment list.
1290         (Script_sections::release_segments): New method definition.
1291         * gold/script-sections.h (Script_sections::release_segments): New
1292         method declaration.
1293         * gold/target.h (Target::may_relax, Target::relax,
1294         Target::do_may_relax, Target::do_relax): New method definitions.
1295
1296 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1297
1298         * arm.cc (has_signed_unsigned_overflow): New function.
1299         (Arm_relocate_functions::abs8): New function.
1300         (Target_arm::Scan::local): Handle R_ARM_ABS8.
1301         (Target_arm::Scan::global): Likewise.
1302         (Target_arm::relocate::relocate): Likewise.
1303         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1304         Likewise.
1305
1306 2009-09-16  Cary Coutant  <ccoutant@google.com>
1307
1308         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
1309         * testsuite/Makefile.in: Regenerate.
1310
1311 2009-09-11  Nick Clifton  <nickc@redhat.com>
1312
1313         * po/gold.pot: Updated by the Translation project.
1314
1315 2009-09-08  Cary Coutant  <ccoutant@google.com>
1316
1317         * output.cc (Output_file::open): Add execute permission to empty file.
1318         * testsuite/Makefile.am (permission_test): New test.
1319         * testsuite/Makefile.in: Regenerate.
1320
1321 2009-09-02  Ian Lance Taylor  <iant@google.com>
1322
1323         * output.cc (Output_file::resize): Call map_no_anonymous rather
1324         than map.
1325
1326 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
1327
1328         * gold.cc: Include "incremental.h".
1329         (queue_initial_tasks): Call Incremental_checker methods.
1330         * incremental.cc: Include "output.h".
1331         (Incremental_checker::can_incrementally_link_output_file): New
1332         method.
1333         * incremental.h (Incremental_checker): New class.
1334
1335         * output.cc (Output_file::open_for_modification): New method.
1336         (Output_file::map_anonymous): Changed return type to bool.  Record
1337         map in base_ field.
1338         (Output_file::map_no_anonymous): New method, broken out of map.
1339         (Output_file::map): Use map_no_anonymous and map_anonymous.
1340         * output.h (class Output_file): Update declarations.
1341
1342 2009-08-24  Cary Coutant  <ccoutant@google.com>
1343
1344         * options.h (Command_line::Pre_options): New class.
1345         (Command_line::pre_options): New member.
1346         * options.cc (gold::options::ready_to_register): New variable.
1347         (One_option::register_option): Do nothing if not registering options.
1348         Assert if same short option registered twice.
1349         (General_options::General_options): Turn off option registration when
1350         done constructing.
1351         (Command_line::Pre_options::Pre_options): New constructor.
1352
1353 2009-08-24  Cary Coutant  <ccoutant@google.com>
1354
1355         * options.h (General_options::no_keep_memory): Remove incorrect
1356         short option.
1357
1358 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1359
1360         * Makefile.am (am__skiplex, am__skipyacc): New.
1361         * Makefile.in: Regenerate.
1362
1363 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1364
1365         * Makefile.am (AM_CPPFLAGS): Renamed from ...
1366         (INCLUDES): ... this.
1367         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
1368         (AM_CPPFLAGS): Renamed from ...
1369         (INCLUDE): ... this.
1370         * Makefile.in, testsuite/Makefile.in: Regenerate.
1371
1372         * Makefile.in: Regenerate.
1373         * aclocal.m4: Likewise.
1374         * config.in: Likewise.
1375         * configure: Likewise.
1376         * testsuite/Makefile.in: Likewise.
1377
1378         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
1379         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
1380         * Makefile.in: Regenerate.
1381         * testsuite/Makefile.in: Regenerate.
1382
1383 2009-08-19  Cary Coutant  <ccoutant@google.com>
1384
1385         * resolve.cc (Symbol_table::resolve): Don't complain about defined
1386         symbols in shared libraries overridden by hidden or internal symbols
1387         in the main program.
1388
1389 2009-08-19  Chris Demetriou  <cgd@google.com>
1390
1391         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
1392         checking source file names in error messages.
1393
1394 2009-08-18  Doug Kwan  <dougkwan@google.com>
1395
1396         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
1397         an elcpp::Ehdr as parameter.  Adjust call to set_target.
1398         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
1399         an elfcpp::Ehdr as parameter.
1400         * object.cc (Object::set_target): Remove the version that looks up
1401         a target and sets it.
1402         (Sized_relobj::setup): Take a Target object instead of
1403         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
1404         (make_elf_sized_object): Find target and ask target to
1405         make an ELF object.
1406         * object.h: (Object::set_target): Remove the version that looks up
1407         a target and sets it.
1408         (Sized_relobj::setup): Take a Target object instead of
1409         an elfcpp:Ehdr as parameter.
1410         * target.cc: Include dynobj.h.
1411         (Target::do_make_elf_object_implementation): New.
1412         (Target::do_make_elf_object): New.
1413         * target.h (Target::make_elf_object): New template declaration.
1414         (Target::do_make_elf_object): New method declarations.
1415         (Target::do_make_elf_object_implementation): New template declaration.
1416
1417 2009-08-14  Ian Lance Taylor  <iant@google.com>
1418
1419         * gold.h (FUNCTION_NAME): Define.
1420         (gold_unreachable): Use FUNCTION_NAME.
1421
1422 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
1423
1424         * icf.cc (Icf::find_identical_sections): Issue a warning when a
1425         symbol in the --keep-unique list is not found.
1426
1427 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
1428
1429         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
1430         been maked as --keep-unique.
1431         (Icf::unfold_section): New function.
1432         * icf.h (Icf::unfold_section): New function.
1433         * options.h (General_options::keep_unique): New option.
1434         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
1435         * testsuite/Makefile.in: Regenerate.
1436         * testsuite/icf_keep_unique_test.sh: New file.
1437         * testsuite/icf_keep_unique_test.cc: New file.
1438
1439 2009-08-12  Cary Coutant  <ccoutant@google.com>
1440
1441         PR 10471
1442         * resolve.cc (Symbol_table::resolve): Check for references from
1443         dynamic objects to hidden and internal symbols.
1444         * testsuite/Makefile.am (hidden_test.sh): New test.
1445         * testsuite/Makefile.in: Regenerate.
1446         * testsuite/hidden_test.sh: New script.
1447         * testsuite/hidden_test_1.c: New test source.
1448         * testsuite/hidden_test_main.c: New test source.
1449
1450 2009-08-11  Doug Kwan  <dougkwan@google.com>
1451
1452         * arm.cc: Update comments.
1453         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
1454         segment to locate the .ARM.exidx section if present.
1455
1456 2009-08-09  Doug Kwan  <dougkwan@google.com>
1457
1458         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
1459         patch.
1460
1461 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
1462         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
1463         compiler warnings.
1464
1465 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
1466
1467         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
1468         valid tls_segment only for non-debug-section relocations.
1469         * testsuite/Makefile.am: Add gc_tls_test.
1470         * testsuite/Makefile.in: Regenerate.
1471         * testsuite/gc_tls_test.cc: New file.
1472         * testsuite/gc_tls_test.sh: New file.
1473
1474 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
1475         
1476         * icf.cc: New file.
1477         * icf.h: New file.
1478         * Makefile.am (CCFILES): Add icf.cc.
1479         (HFILES): Add icf.h
1480         * Makefile.in: Regenerate.
1481         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
1482         * gc.h (gc_process_relocs): Populate lists used by icf to contain
1483         section, symbol and addend information for the relocs.
1484         * gold.cc (queue_middle_tasks): Call identical code folding.
1485         * gold.h: Add defines for multimap.
1486         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
1487         to the call of finalize_local_symbols.
1488         * main.cc (main): Create object of class Icf.
1489         * object.cc (Sized_relobj::do_layout): Allow this function to be
1490         called twice during icf.
1491         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
1492         to sections marked as identical by icf.
1493         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
1494         when available.
1495         (Sized_relobj::do_section_entsize): New function.
1496         * object.h (Object::section_entsize): New function.
1497         (Object::do_section_entsize): New pure virtual function.
1498         (Relobj::finalize_local_symbols): Add new parameter.
1499         (Relobj::do_section_entsize): New function.
1500         * options.h (General_options::icf): New option.
1501         (General_options::icf_iterations): New option.
1502         (General_options::print_icf_sections): New option.
1503         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
1504         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
1505         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
1506         icf.
1507         * symtab.cc (Symbol_table::is_section_folded): New function.
1508         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
1509         to sections marked as identical by icf.
1510         * symtab.h (Symbol_table::set_icf): New function.
1511         (Symbol_table::icf): New function.
1512         (Symbol_table::is_section_folded): New function.
1513         (Symbol_table::icf_): New data member.
1514         * target-reloc.h (relocate_section): Ignore sections folded by icf.
1515         * testsuite/Makefile.am: Add commands to build icf_test.
1516         * testsuite/Makefile.in: Regenerate.
1517         * testsuite/icf_test.sh: New file.
1518         * testsuite/icf_test.cc: New file.
1519
1520 2009-07-24  Chris Demetriou  <cgd@google.com>
1521
1522         * layout.cc (is_compressible_debug_section): Fix incorrect
1523         comment about compressed section names.
1524
1525 2009-07-20  Ian Lance Taylor  <ian@airs.com>
1526
1527         PR 10419
1528         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
1529
1530 2009-07-16  Ian Lance Taylor  <iant@google.com>
1531
1532         PR 10400
1533         * layout.h: #include <map>.
1534         (class Kept_section): Change from struct to class.  Add accessors
1535         and setters.  Add section size to Comdat_group mapping.  Change
1536         Comdat_group to std::map.  Add is_comdat_ field.  Add
1537         linkonce_size field in union.
1538         (class Layout): Update declaration of find_or_add_kept_section.
1539         Don't declare find_kept_object.
1540         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
1541         parameter.  Add object, shndx, is_comdat, and is_group_name
1542         parameters.  Change all callers.  Adjust for new Kept_section.
1543         (Layout::find_kept_object): Remove.
1544         * object.cc (Sized_relobj::include_section_group): Update use of
1545         Kept_section.  Rename secnum to shndx.  Only record
1546         Kept_comdat_section if sections are the same size.
1547         (Sized_relobj::include_linkonce_section): Update use of
1548         Kept_section.  Only record Kept_comdat_section if sections are the
1549         same size.  Set size of linkonce section.
1550         (Sized_relobj::map_to_kept_section): Update call to
1551         get_kept_comdat_section.
1552         * object.h (class Sized_relobj): Rename fields in
1553         Kept_comdat_section to drop trailing underscores; change object
1554         field to Relobj*.  Change Kept_comdat_section_table to store
1555         struct rather than pointer.
1556         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
1557         Add kept_object and kept_shndx parameters.  Change all callers.
1558         (Sized_relobj::get_kept_comdat_section): Change return type to
1559         bool.  Add kept_object and kept_shndx parameters.  Change all
1560         callers.
1561         * plugin.cc (Pluginobj::include_comdat_group): Update call to
1562         Layout::find_or_add_kept_section.
1563
1564 2009-07-09  Ian Lance Taylor  <iant@google.com>
1565
1566         * merge.cc (Object_merge_map::initialize_input_to_output_map):
1567         Reserve space in the hash table.
1568
1569 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
1570
1571         * fileread.cc (File_read::get_mtime): New method.
1572         * fileread.h (Timespec): New structure.
1573         (File_read::get_mtime): New method.
1574         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
1575         Renamed from timestamp_nsec.
1576         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
1577         Elf_Xword.
1578         (Incremental_inputs_entry_write::timestamp_usec): Renamed from 
1579         timestamp_nsec.
1580         (Incremental_inputs::report_archive): Save mtime; style fix. 
1581         (Incremental_inputs::report_obejct): Save mtime; style fix.
1582         (Incremental_inputs::report_script): Save mtime; style fix.
1583         (Incremental_inputs::finalize_inputs): Style fix.
1584         (Incremental_inputs::finalize): Style fix.
1585         (Incremental_inputs::create_input_section_data): Store inputs
1586         mtime.
1587         * incremental.h (Incremental_inputs::report_script): Add mtime
1588         argument.
1589         (Incremental_inputs::Input_info::Input_info): Intialize only one
1590         union member.
1591         (Incremental_inputs::Input_info::archive): Move to nameless
1592         union.
1593         (Incremental_inputs::Input_info::obejct): Move to nameless union.
1594         (Incremental_inputs::Input_info::script): Move to nameless union.
1595         (Incremental_inputs::mtime): New field.
1596         * script.cc (read_input_script): Pass file mtime to
1597         Incremental_input.
1598         * script.h (Script_info::inputs): Style fix.
1599
1600 2009-07-01  Ian Lance Taylor  <ian@airs.com>
1601
1602         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
1603         instead of 32.
1604
1605 2009-06-24  Ian Lance Taylor  <iant@google.com>
1606
1607         PR 10156
1608         * layout.cc (Layout::choose_output_section): If we find an
1609         existing section, update the flags.
1610         (Layout::create_notes): New function, broken out of
1611         Layout::finalize.
1612         (Layout::finalize): Don't create note sections.
1613         (Layout::create_note): Don't crash if linker script discards
1614         section.
1615         (Layout::create_gold_note): Likewise.
1616         (Layout::create_build_id): Likewise.  Don't set
1617         after_input_sections on the section.
1618         (Layout::create_executable_stack_info): Remove target parameter.
1619         Change caller.
1620         * layout.h (class Layout): Declare create_notes.  Update
1621         declaration of create_executable_stack_info.
1622         * gold.cc (queue_middle_tasks): Call create_notes.
1623         * output.cc (Output_section::update_flags_for_input_section): Move
1624         here from output.h.  If SHF_ALLOC flag is newly set, mark address
1625         invalid.
1626         * output.h (Output_data::mark_address_invalid): New function.
1627         (class Output_section): Only declare, not define,
1628         update_flags_for_input_section.  Remove set_flags.
1629
1630 2009-06-24  Ian Lance Taylor  <iant@google.com>
1631
1632         * script-sections.cc (Output_section_definition::
1633         set_section_addresses): Rename shadowing local load_address to
1634         laddr.
1635
1636 2009-06-24  Ian Lance Taylor  <iant@google.com>
1637
1638         PR 10244
1639         * reloc.cc (relocate_sections): Skip empty relocation sections.
1640
1641 2009-06-23  Ian Lance Taylor  <iant@google.com>
1642
1643         PR 10156
1644         * layout.cc (Layout::create_note): Use choose_output_section
1645         rather than make_output_section.
1646
1647 2009-06-23  Ian Lance Taylor  <iant@google.com>
1648
1649         PR 10237
1650         * options.cc (General_options::parse_V): Set printed_version_.
1651         (General_options::General_options): Initialize printed_version_.
1652         * options.h (class General_options): Add printed_version_ field.
1653         * gold.cc (queue_initial_tasks): If there are no input files,
1654         don't give a fatal error if we printed the version information.
1655         (queue_middle_tasks): If using -r with a shared object, give a
1656         fatal error rather than an ordinary error.
1657
1658 2009-06-23  Ian Lance Taylor  <iant@google.com>
1659
1660         PR 10219
1661         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
1662         (Layout::make_output_section): Set have_stabstr_section_ if we see
1663         a .stab*str section.
1664         (Layout::finalize): Call link_stabs_sections.
1665         (Layout::link_stabs_sections): New file.
1666         * layout.h (class Layout): Add have_stabstr_section_ field.
1667         Declare link_stabs_sections.
1668
1669 2009-06-23  Doug Kwan  <dougkwan@google.com>
1670
1671         * Makefile.am (libgold_a_LIBADD): New.
1672         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
1673         * Makefile.in: Regenerate.
1674         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
1675         * configure: Regenerate.
1676         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
1677         * fileread.cc: Include sys/state.h
1678         * gold.h: Declare memmem and strndup if found missing.
1679         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
1680
1681 2009-06-23  Ian Lance Taylor  <iant@google.com>
1682
1683         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
1684         * configure: Rebuild.
1685
1686 2009-06-23  Ian Lance Taylor  <iant@google.com>
1687
1688         PR 10147
1689         * object.cc (Object::section_contents): Don't try to get a view if
1690         the section has length zero.
1691         (Object::handle_gnu_warning_section): If the section is empty, use
1692         the name of the section as the warning.
1693
1694 2009-06-23  Ian Lance Taylor  <iant@google.com>
1695
1696         PR 10133
1697         * stringpool.h (class Stringpool_template): Add optimize_ field.
1698         (Stringpool_template::set_optimize): New function.
1699         * stringpool.cc (Stringpool_template::Stringpool_template):
1700         Initialize optimize_ field.
1701         (Stringpool_template::set_string_offsets): Test local optimize
1702         fild rather than parameter.
1703         * layout.cc (Layout::Layout): Call set_optimize on the section
1704         name stringpool.
1705
1706 2009-06-22  Ian Lance Taylor  <iant@google.com>
1707
1708         PR 10030
1709         * yyscript.y: Parse TARGET.
1710         * script.cc (script_set_target): New function.
1711         * script-c.h (script_set_target): Declare.
1712         * options.cc (General_options::string_to_object_format): Rename
1713         from string_to_object_format in anonymous namespace.  Change
1714         callers.
1715         * options.h (class General_options): Declare
1716         string_to_object_format.
1717
1718 2009-06-22  Ian Lance Taylor  <iant@google.com>
1719
1720         * script-sections.cc (Script_sections::create_segments): Don't put
1721         program headers in a PT_LOAD segment if -n or -N.
1722
1723 2009-06-22  Ian Lance Taylor  <iant@google.com>
1724
1725         PR 10141
1726         * options.h (class General_options): Add -z lazy and -z now.  Sort
1727         -z options into alphabetical order.
1728         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
1729
1730 2009-06-21  Ian Lance Taylor  <iant@google.com>
1731
1732         * layout.cc (Layout::make_output_section): Call
1733         Target::new_output_section.
1734         (Layout::attach_allocated_section_to_segment): Put large section
1735         sections in a separate load segment with the large segment flag
1736         set.
1737         (Layout::segment_precedes): Sort large data segments after other
1738         load segments.
1739         (align_file_offset): New static function.
1740         (Layout::set_segment_offsets): Use align_file_offset.
1741         * output.h (class Output_section): Add is_small_section_ and
1742         is_large_section_ fields.
1743         (Output_section::is_small_section): New function.
1744         (Output_section::set_is_small_section):  New function.
1745         (Output_section::is_large_section): New function.
1746         (Output_section::set_is_large_section): New function.
1747         (Output_section::is_large_data_section): New function.
1748         (class Output_segment): Add is_large_data_segment_ field.
1749         (Output_segment::is_large_data_segment): New function.
1750         (Output_segment::set_is_large_data_segment): New function.
1751         * output.cc (Output_section::Output_section): Initialize new
1752         fields.
1753         (Output_segment::Output_segment): Likewise.
1754         (Output_segment::add_output_section): Add assertion that large
1755         data sections always go in large data segments.  Force small data
1756         sections to the end of the list of data sections.  Force small BSS
1757         sections to the start of the list of BSS sections.  For large BSS
1758         sections to the end of the list of BSS sections.
1759         * symtab.h (class Symbol): Declare is_common_shndx.
1760         (Symbol::is_defined): Check Symbol::is_common_shndx.
1761         (Symbol::is_common): Likewise.
1762         (class Symbol_table): Define enum Commons_section_type.  Update
1763         declarations.  Add small_commons_ and large_commons_ fields.
1764         * symtab.cc (Symbol::is_common_shndx): New function.
1765         (Symbol_table::Symbol_table): Initialize new fields.
1766         (Symbol_table::add_from_object): Put small and large common
1767         symbols in the right list.
1768         (Symbol_table::sized_finalized_symbol): Check
1769         Symbol::is_common_shndx.
1770         (Symbol_table::sized_write_globals): Likewise.
1771         * common.cc (Symbol_table::do_allocate_commons): Allocate new
1772         common symbol lists.  Don't call do_allocate_commons_list if the
1773         list is empty.
1774         (Symbol_table::do_allocate_commons_list): Remove is_tls
1775         parameter.  Add comons_section_type parameter.  Change all
1776         callers.  Handle small and large common symbols.
1777         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
1778         Symbol::is_common_shndx.
1779         * resolve.cc (symbol_to_bits): Likewise.
1780         * target.h (Target::small_common_shndx): New function.
1781         (Target::small_common_section_flags): New function.
1782         (Target::large_common_shndx): New function.
1783         (Target::large_common_section_flags): New function.
1784         (Target::new_output_section): New function.
1785         (Target::Target_info): Add small_common_shndx, large_common_shndx,
1786         small_common_section_flags, and large_common_section_flags
1787         fields.
1788         (Target::do_new_output_section): New virtual function.
1789         * arm.cc (Target_arm::arm_info): Initialize new fields.
1790         * i386.cc (Target_i386::i386_info): Likewise.
1791         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
1792         Likewise.
1793         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
1794         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
1795         (Target_x86_64::do_new_output_section): New function.
1796         * configure.ac: Define conditional MCMODEL_MEDIUM.
1797         * testsuite/Makefile.am (check_PROGRAMS): Add large.
1798         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
1799         (large_LDFLAGS): Define.
1800         * testsuite/large.c: New file.
1801         * testsuite/testfile.cc (Target_test::test_target_info):
1802         Initialize new fields.
1803         * configure, testsuite/Makefile.in: Rebuild.
1804
1805 2009-06-05  Doug Kwan  <dougkwan@google.com>
1806
1807         * Makefile.am (CCFILES): Add target.cc.
1808         * Makefile.in: Regenerate. 
1809         * i386.cc (class Target_i386): Define new virtual method to
1810         override do_is_local_label_name in parent.
1811         * object.cc (Sized_relobj::do_count_local_symbols): Discard
1812         local symbols if --discard-locals or -X is given.
1813         * options.h (class General_options): Declare new options
1814         '--discard-locals' and '-X' for discarding locals.
1815         * target.h (class Target): Define new methods is_local_label_name.
1816         Declare new virtual method do_is_local_label_name.
1817         * target.cc: New file.
1818         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
1819         (check_SCRIPTS): Add discard_locals_test.sh.
1820         (check_DATA): Add discard_local_tests.syms.
1821         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
1822         (discard_local_tests.syms, discard_locals_test.o): New make rules.
1823         * testsuite/Makefile.in: Regenerate.
1824         * testsuite/discard_locals_test.c: New file.
1825         * testsuite/discard_locals_test.sh: Same.
1826
1827 2009-06-05  Doug Kwan  <dougkwan@google.com>
1828
1829         * object.cc (Sized_relobj::Sized_relobj): Initialize
1830         discarded_eh_frame_shndx_ to -1U.
1831         (Sized_relobj::do_layout): Record index of a discard .eh_frame
1832         section.
1833         (Sized_relobj::do_count_local_symbols): Skip local symbols in
1834         a discarded .eh_frame section.
1835         (Sized_relobj::do_finalize_local_symbols): Ditto.
1836         * object.h (class Sized_relobj): Declare new member
1837         discarded_eh_frame_shndx_.
1838         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
1839         (local_labels_test.o, local_labels_test): New rules.
1840         * testsuite/Makefile.in: Regenerate.
1841
1842 2009-06-04  Doug Kwan  <dougkwan@google.com>
1843
1844         * layout.cc (Layout::section_name_mapping): Add mapping for
1845         special ARM sections.
1846
1847 2009-06-03  Doug Kwan  <dougkwan@google.com>
1848
1849         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
1850         (utils::has_overflow): Same.
1851
1852 2009-06-03  Ian Lance Taylor  <iant@google.com>
1853
1854         * layout.cc (Layout::section_name_mapping): New array, replacing
1855         Layout::linkonce_mapping.
1856         (Layout::section_name_mapping_count): New variable, replacing
1857         Layout::linkonce_mapping_count.
1858         (Layout::linkonce_output_name): Remove.
1859         (Layout::output_section_name): Rewrite.
1860         * layout.h (class Layout): Rename Linkonce_mapping to
1861         Section_name_mapping, linkonce_mapping to section_name_mapping,
1862         linkonce_mapping_count to section_name_mapping_count.  Don't
1863         declare linkonce_output_name.
1864
1865 2009-06-03  Doug Kwan  <dougkwan@google.com>
1866
1867         * gold/arm.cc (namespace utils): New.
1868         (Target_arm::reloc_is_non_pic): Define new method.
1869         (class Arm_relocate_functions): New.
1870         (Target_arm::Relocate::relocate): Handle relocation types used by
1871         Android.
1872
1873 2009-06-03  Ian Lance Taylor  <iant@google.com>
1874
1875         * arm.cc (Target_arm::scan::global): Use || instead of |.
1876
1877 2009-06-02  Doug Kwan  <dougkwan@google.com>
1878
1879         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
1880         issued_non_pic_error_.
1881         (class Target_arm::Scan): Declare new method check_non_pic.
1882         Define new method symbol_needs_plt_entry.
1883         Declare new data member issued_non_pic_error_.
1884         (class Target_arm::Relocate): Declare new method
1885         should_apply_static_reloc.
1886         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
1887         (Target_arm::Scan::check_non_pic): Define new method.
1888         (Target_arm::Scan::local): Handle a small subset of reloc types used
1889         by Android.
1890         (Target_arm::Scan::local): Same.
1891         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
1892
1893 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
1894
1895         * incremental.cc (Incremental_inputs::report_command_line): Filter
1896         out --incremental-* options.
1897
1898 2009-05-29  Doug Kwan  <dougkwan@google.com>
1899
1900         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
1901         template class.
1902         (class Target_arm): Update comment.
1903         (Target_arm::Target_arm): Initialize new data members GOT_,
1904         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
1905         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
1906         and Target_arm::rel_dyn_section.
1907         Declare new_enum Target_arm::Got_type.
1908         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
1909         and DYNBSS_.
1910         Update commments for member do_dynsym_value.
1911         (Target_arm::got_size, Target_arm::plt_section,
1912         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
1913         new methods inside class defintion.
1914         (Target_arm::got_section): Define new method.
1915         (Target_arm::rel_dyn_section): Same.
1916         (Output_data_plt_arm): New template class.
1917         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
1918         (Output_data_plt_arm:do_adjust_output_section): Define new method.
1919         (Output_data_plt_arm::add_entry): Same.
1920         (Output_data_plt_arm::first_plt_entry): Define new
1921         static data member for PLT instruction template.
1922         (Output_data_plt_arm::plt_entry): Same.
1923         (Output_data_plt_arm::do_write): Define new method.
1924         (Target_arm::make_plt_entry): Same.
1925         (Target_arm::do_finalize_sections): Same.
1926         (Target_arm::do_dynsym_value): Same.
1927
1928 2009-05-28  Doug Kwan  <dougkwan@google.com>
1929
1930         * Makefile.am (TARGETSOURCES): Add arm.cc.
1931         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
1932         * Makefile.in: Regenerate.
1933         * arm.cc: New file.
1934         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
1935
1936 2009-05-26  Doug Kwan  <dougkwan@google.com>
1937
1938         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
1939         (General_options::check_excluded_libs): Strip off directories in
1940         archive name before matching like GNU ld does.
1941         * testsuite/Makefile.am (MOSTLYCLEANFILES,
1942         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
1943         (exclude_libs_test_LDFLAGS): Add linker option
1944         -Wl,--exclude-libs,libexclude_libs_test_3
1945         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
1946         an explicit archive without using -l.
1947         (alt/libexclude_libs_test_3.a): New make rule.
1948         * testsuite/Makefile.in: Regenerate.
1949         * testsuite/exclude_libs_test.c : Declare lib3_default().
1950         (main): Call it.
1951         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
1952         * exclude_libs_test_3.c: New file.
1953
1954 2009-05-26  Nick Clifton  <nickc@redhat.com>
1955
1956         * po/id.po: New Indonesian translation.
1957         * po/gold.pot: Updated template file.
1958
1959 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
1960
1961         * testsuite/Makefile.am: Add -ffunction-sections to compile 
1962         gc_comdat_test files.  Add -Wl,--gc-sections to build
1963         gc_comdat_test.
1964         * testsuite/Makefile.in: Regenerate.
1965         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
1966
1967 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
1968
1969         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
1970         kept comdat section was garbage collected.
1971         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
1972         * testsuite/Makefile.in: Regenerate.
1973         * testsuite/gc_comdat_test.sh: New file.
1974         * testsuite/gc_comdat_test_1.cc: New file.
1975         * testsuite/gc_comdat_test_2.cc: New file.
1976
1977 2009-05-19  Doug Kwan  <dougkwan@google.com>
1978
1979         * archive.cc (Archive::Archive): Move constructor from archive.h
1980         to here.  Initialize no_export_.
1981         (Archive::get_elf_object_for_member): Set no_export flag of object.
1982         * archive.h (Archive::Archive): Move constructor body to
1983         archive.cc.
1984         (Archive::no_export): New method.
1985         (Archive::no_export_): New field.
1986         * object.h (Object::Object): Initialize no_export_ to false.
1987         (Object::no_export, Object::set_no_export): New methods.
1988         (Object::no_export_): New field.
1989         * options.cc (General_options::parse_exclude_libs): New method.
1990         (General_options::check_excluded_libs) Same.
1991         * options.h (exclude_libs): New option.
1992         (General_options::check_excluded_libs): New method declaration.
1993         (General_options::excluded_libs_): New field.
1994         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
1995         default or protected visibility if an object has no-export flag set.
1996         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
1997         (check_SCRIPTS): Add exclude_libs_test.sh.
1998         (check_DATA): Add exclude_libs_test.syms.
1999         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
2000         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
2001         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
2002         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
2003         (exclude_libs_test.syms, libexclude_libs_test_1.a,
2004         libexclude_libs_test_2.a): New rules.
2005         * testsuite/Makefile.in: Regenerate.
2006         * testsuite/exclude_libs_test.c: New file.
2007         * testsuite/exclude_libs_test.sh: Ditto.
2008         * testsuite/exclude_libs_test_1.c: Ditto.
2009         * testsuite/exclude_libs_test_2.c: Ditto.
2010
2011 2009-05-15  Ian Lance Taylor  <iant@google.com>
2012
2013         * configure.ac: Check for declarations for cases where libiberty.h
2014         checks HAVE_DECL_xxx.
2015         * configure, config.in: Rebuild.
2016
2017 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
2018
2019         * gold.h (Incremental_argument_list): Remove (invalid) forward
2020         declaration.
2021         * incremental.cc (Incremental_inputs::report_achive): New method.
2022         (Incremental_inputs::report_object): New method.
2023         (Incremental_inputs::report_script): New method.
2024         (Incremental_inputs::finalize_inputs): New method.
2025         (Incremental_inputs::finalize): Call finalize_inputs().
2026         (Incremental_inputs::sized_create_incremental_inputs_section_data):
2027         Create inputs entries.
2028         * incremental.h (Incremental_input_type): New enum.
2029         (Incremental_inputs::Incremental_input): Initialize new fields.
2030         (Incremental_inputs::report_inputs): New method.
2031         (Incremental_inputs::report_achive): New method.
2032         (Incremental_inputs::report_object): New method.
2033         (Incremental_inputs::report_script): New method.
2034         (Incremental_inputs::finalize_inputs): New method.
2035         (Incremental_inputs::Input_info): New struct.
2036         (Incremental_inputs::Input_info_map): New typedef.
2037         (Incremental_inputs::lock_): New field.
2038         (Incremental_inputs::Inputs_): New field.
2039         (Incremental_inputs::Inputs_map): New field.
2040         * main.cc (main): Call Incremental_input::report_inputs.
2041         * options.h (Input_argument_list): Typedef moved from
2042         Input_arguments.
2043         (Input_file_group::Files): Remove, use ::Input_argument_list.
2044         (Input_file_group::Input_argument_list): Remove, use
2045         ::Input_argument_list.
2046         * plugin.cc (Plugin_manager::add_input_file): Add error in
2047         incremental build.
2048         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
2049         functions.
2050         * script.cc (read_input_script): Call
2051         Incremental_input::report_script.
2052         * script.h (Script_info): New class.
2053
2054 2009-04-27  Ian Lance Taylor  <iant@google.com>
2055
2056         * x86_64.cc (do_adjust_output_section): Set entsize to
2057         plt_entry_size.
2058
2059 2009-04-23  Elliott Hughes  <enh@google.com>
2060
2061         * output.cc (Output_file::close): After short writes, continue
2062         writing from the correct offset in the buffer being written.
2063
2064 2009-04-23  Chris Demetriou  <cgd@google.com>
2065
2066         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
2067         * configure: Regenerate.
2068         * config.in: Regenerate.
2069         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
2070         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
2071
2072 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
2073
2074         * incremental.cc (Incremental_inputs_header_data): Renamed from
2075         Incremental_input_header_data.
2076         (Incremental_inputs_header_data::data_size): New field.
2077         (Incremental_inputs_header_data::put_input_file_count): Renamed
2078         from input_file_count.
2079         (Incremental_inputs_header_data::put_command_line_offset): Renamed
2080         from command_line_offset.
2081         (Incremental_inputs_header_data::put_reserved): Renamed from
2082         put_reserved.
2083         (Incremental_inputs_entry_data): Renamed from
2084         Incremental_input_entry_data.
2085         (Incremental_inputs_entry_data::data_size): New field.
2086         (Incremental_inputs::report_command_line): New method.
2087         (Incremental_inputs::finalize): New method.
2088         (Incremental_inputs::create_incremental_inputs_data): New method.
2089         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
2090         * incremental.h: New file.
2091         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
2092        (Layout::finalize): Create incremental inputs section in
2093         incremental builds.
2094        (Layout::create_incremental_info_sections): New method.
2095         * layout.h (Layout::incremental_inputs): New method.
2096        (Layout::create_incremental_info_sections): New method.
2097        (Layout::incremental_inputs_): New field.
2098         * main.cc (main): Notify Incremental_input of the command line.
2099
2100 2009-04-01  Ian Lance Taylor  <iant@google.com>
2101             Mikolaj Zalewski  <mikolajz@google.com>
2102
2103         * gold.h (reserve_unordered_map): Define, three versions, one for
2104         each version of Unordered_map.
2105         * layout.cc (Layout::Layout): Remove options parameter.  Add
2106         number_of_input_files parameter.  Don't initialize options_.
2107         Initialize number_of_input_files_ and resized_signatures_.  Move
2108         sections_are_attached_.
2109         (Layout::layout_group): Reserve space for group_signatures_.
2110         (Layout::find_or_add_kept_section): Change name parameter to be a
2111         reference.  Resize signatures_ map when it gets large enough.
2112         (Layout::layout_eh_frame): Use parameters->options() instead of
2113         this->options_.
2114         (Layout::make_output_section): Likewise.
2115         (Layout::attach_allocated_section_to_segment): Likewise.
2116         (Layout::finalize, Layout::create_executable_stack): Likewise.
2117         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
2118         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
2119         * layout.h (class Layout): Update declarations.  Remove options_
2120         field.  Add number_of_input_files_ and resized_signatures_
2121         fields.  Move sections_are_attached_ field.
2122         * main.cc (main): Pass number of input files to Layout
2123         constructor.  Don't pass options.
2124
2125 2009-03-30  Ian Lance Taylor  <iant@google.com>
2126
2127         * ffsll.c (ffsll): Correct implementation.
2128
2129 2009-03-27  Ian Lance Taylor  <iant@google.com>
2130
2131         * ffsll.c: New file.
2132         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
2133         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
2134         * ftruncate.c (ftruncate): Declare before definition.
2135         * mremap.c (mremap): Likewise.
2136         * pread.c (pread): Likewise.
2137         * configure, Makefile.in, config.in: Rebuild.
2138
2139         * mremap.c: New file.
2140         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
2141         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
2142         (mremap): Declare if HAVE_MREMAP is not defined.
2143         * configure, Makefile.in, config.in: Rebuild.
2144
2145 2009-03-27  Cary Coutant  <ccoutant@google.com>
2146
2147         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
2148         position independent.
2149         * sparc.cc (Target_sparc::check_non_pic): Likewise.
2150         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
2151
2152 2009-03-24  Cary Coutant  <ccoutant@google.com>
2153
2154         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
2155         an executable.
2156         (needs_dynamic_reloc): Likewise.
2157
2158 2009-03-24  Ian Lance Taylor  <iant@google.com>
2159
2160         * yyscript.y (file_cmd): Recognize EXTERN.
2161         (extern_name_list, extern_name_list_body): New nonterminals.
2162         * script.cc (script_add_extern): Define.
2163         * script-c.h (script_add_extern): Declare.
2164
2165 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
2166
2167         * object.cc (is_elf_object): Define.
2168         * object.h (is_elf_object): Declare.
2169         * archive.cc (Archive::get_elf_object_for_member): Call
2170         is_elf_object.
2171         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
2172
2173 2009-03-24  Elliott Hughes  <enh@google.com>
2174
2175         * output.cc (Output_file::map_anonymous): Define.
2176         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
2177         try an anonymous one.  Report the size if the mmap fails.
2178         * output.h (class Output_file): Declare map_anonymous.
2179
2180 2009-03-24  Ian Lance Taylor  <iant@google.com>
2181
2182         * target-select.cc (instantiate_target): Don't acquire the lock if
2183         the instantiated_target_ field has already been set.
2184
2185 2009-03-23  Ian Lance Taylor  <iant@google.com>
2186
2187         * gold-threads.h (class Initialize_lock): Define.
2188         * gold-threads.cc (class Initialize_lock_once): Define.
2189         (initialize_lock_control): New static variable.
2190         (initialize_lock_pointer): New static variable.
2191         (initialize_lock_once): New static function.
2192         (Initialize_lock::Initialize_lock): Define.
2193         (Initialize_lock::initialize): Define.
2194         * target-select.h: Include "gold-threads.h".
2195         (class Target_selector): Add lock_ and initialize_lock_ fields.
2196         Don't define instantiate_target, just declare it.
2197         * target-select.cc (Target_selector::Target_selector): Initialize
2198         new fields.
2199         (Target_selector::instantiate_target): Define.
2200         * descriptors.h: Include "gold-threads.h".
2201         (class Descriptors): Add initialize_lock_ field.
2202         * descriptors.cc (Descriptors::Descriptors): Initialize new
2203         field.
2204         (Descriptors::open): Use initialize_lock_ field
2205         * errors.h (class Errors): Add initialize_lock_ field.
2206         * errors.cc (Errors::Errors): Initialize new field.
2207         (Errors::initialize_lock): Use initialize_lock_ field.
2208         * powerpc.cc (class Target_selector_powerpc): Remove
2209         instantiated_target_ field.  In do_recognize call
2210         instantiate_target rather than do_instantiate_target.  In
2211         do_instantiate_target just allocate a new target.
2212         * sparc.cc (class Target_selector_sparc): Likewise.
2213
2214         * freebsd.h: New file.
2215         * i386.cc: Include "freebsd.h".
2216         (Target_i386): Derive from Target_freebsd rather than
2217         Sized_target.
2218         (Target_selector_i386): Derive from Target_selector_freebsd rather
2219         than Target_selector.
2220         * x86_64.cc: Include "freebsd.h".
2221         (Target_x86_64): Derive from Target_freebsd rather than
2222         Sized_target.
2223         (Target_selector_x86_64): Derive from Target_selector_freebsd
2224         rather than Target_selector.
2225         * target.h (class Target): Add adjust_elf_header and
2226         do_adjust_elf_header.
2227         * output.cc (Output_file_header:: do_sized_write): Call target
2228         adjust_elf_header routine.
2229         * configure.tgt: Set targ_osabi.
2230         * configure.ac: Define GOLD_DEFAULT_OSABI.
2231         * parameters.cc (Parameters::default_target): Pass
2232         GOLD_DEFAULT_OSABI to select_target.
2233         * target-select.h (class Target_selector): Make instantiate_target
2234         protected rather than private.
2235         * Makefile.am (HFILES): Add freebsd.h.
2236         * configure, Makefile.in, config.in: Rebuild.
2237
2238         * merge.cc (do_add_input_section): Correct pend value.  Change
2239         message about last entry not being null terminated from error to
2240         warning.
2241
2242 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
2243
2244         * incremental.cc: New file.
2245         * Makefile.am (CCFILES): Add incremental.cc.
2246         * Makefile.in: Rebuild.
2247
2248 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
2249
2250         * layout.cc (Layout::output_section_name): Preserve names
2251         of '.note.' sections.
2252         
2253 2009-03-19  Ian Lance Taylor  <iant@google.com>
2254
2255         * descriptors.cc (Descriptors::open): Check that the options are
2256         valid before using them.
2257
2258 2009-03-18  Ian Lance Taylor  <iant@google.com>
2259
2260         * script-sections.h: Include <list>.
2261         (class Script_sections): Change Sections_elements from std::vector
2262         to std::list.  Typedef public Elements_iterator.  Add
2263         orphan_section_placement_, data_segment_align_start_, and
2264         saw_data_segment_align_ fields.  Remove data_segment_align_index_
2265         field.
2266         * script-sections.cc (class Orphan_section_placement): New class.
2267         (class Sections_element): Add virtual functions is_relro and
2268         orphan_section_init.  Remove virtual function place_orphan_here.
2269         (class Output_section_definition): Add is_relro and
2270         orphan_section_init.  Remove place_orphan_here.
2271         (class Orphan_output_section): Likewise.
2272         (Script_sections::Script_sections): Update for field changes.
2273         (Script_sections::data_segment_align): Set saw_data_segment_align_
2274         and data_segment_align_start_, not data_segment_align_index.
2275         (Script_sections::data_segment_relro_end): Check
2276         saw_data_segment_align_.  Use data_segment_align_start_ rather
2277         than data_segment_align_index_.
2278         (Script_sections::place_orphan): Rewrite to use
2279         Orphan_section_placement.
2280
2281 2009-03-17  Ian Lance Taylor  <iant@google.com>
2282
2283         * archive.cc (Archive::add_symbols): Check for a version attached
2284         to the symbol name in the archive map.
2285         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
2286         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
2287         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
2288         (ver_test_11.a): New target.
2289         * testsuite/Makefile.in: Rebuild.
2290
2291         * configure.ac: Check for chsize and posix_fallocate.  Replace
2292         ftruncate.
2293         * ftruncate.c: New file, from gnulib.
2294         * output.cc (posix_fallocate): Define dummy version if not
2295         HAVE_POSIX_FALLOCATE.
2296         (Output_file::map): Call posix_fallocate rather than lseek and
2297         write.
2298         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
2299         * configure, Makefile.in, config.in: Rebuild.
2300
2301 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
2302         
2303         * layout.h (Layout::create_note): Add section_name parameter.
2304         * layout.cc (Layout::create_note): Likewise.
2305         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
2306         
2307 2009-03-17  Ian Lance Taylor  <iant@google.com>
2308
2309         * descriptors.cc: Include "options.h".
2310         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
2311         (Descriptors::open): Always use O_CLOEXEC when opening a new
2312         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
2313         then set FD_CLOEXEC.
2314
2315         * sparc.cc (class Target_sparc): Add has_got_section.
2316         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
2317         make sure we have a GOT section.
2318
2319         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
2320         (Target_sparc::Scan::local): Likewise.
2321         (Target_sparc::Scan::global): Likewise.
2322         (Target_sparc::Relocate::relocate): Likewise.
2323         (Target_sparc::Relocate::relocate_tls): Likewise.
2324
2325         * symtab.cc (Symbol_table::define_default_version): New function,
2326         broken out of add_from_object.
2327         (Symbol_table::add_from_object): Call define_default_version.
2328         (Symbol_table::define_special_symbol): Add resolve_oldsym
2329         parameter.  Change all callers.  If the version for a symbol comes
2330         from a version script, resolve it with the symbol with the same
2331         name with no version.  Also add the symbol without a version if
2332         appropriate.
2333         (do_define_in_output_data): If resolving with oldsym, don't delete
2334         sym.
2335         (do_define_in_output_segment): Likewise.
2336         (do_define_as_constant): Likewise.
2337         * symtab.h (class Symbol_table): Update declarations.
2338
2339 2009-03-13  Ian Lance Taylor  <iant@google.com>
2340
2341         * readsyms.cc (Read_symbols::incompatible_warning): New function.
2342         (Read_symbols::requeue): New function.
2343         (Read_symbols::do_read_symbols): If make_elf_object fails because
2344         the target type is not configured, and the file was searched for,
2345         issue a warning and retry with the next directory.
2346         (Add_symbols::run): If the file has an incompatible format, and
2347         it was searched for, requeue the Read_symbols task.  On error,
2348         release the object.
2349         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
2350         dirindex parameter to constructor.  Change all callers.  Declare
2351         incompatible_warning and requeue.
2352         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
2353         input_argument_ and input_group_ fields.  Add them to
2354         constructor.  Change all callers.
2355         (class Read_script): Add dirindex_ field.  Add it to constructor.
2356         Change all callers.
2357         * archive.cc (Archive::setup): Remove input_objects parameter.
2358         Change all callers.
2359         (Archive::get_file_and_offset): Likewise.
2360         (Archive::read_all_symbols): Likewise.
2361         (Archive::read_symbols): Likewise.
2362         (Archive::get_elf_object_for_member): Remove input_objects
2363         parameter.  Add punconfigured parameter.  Change all callers.
2364         (Archive::add_symbols): Change return type to bool.  Check return
2365         value of include_member.
2366         (Archive::include_all_members): Likewise.
2367         (Archive::include_member): Change return type to bool.  Return
2368         false if first included object has incompatible target.  Set
2369         included_member_ field.
2370         (Add_archive_symbols::run): If add_symbols returns false, requeue
2371         Read_symbols task.
2372         * archive.h (class Archive): Add included_member_ field.
2373         Initialize it in constructor.  Add input_file and searched_for
2374         methods.  Update declarations.
2375         (class Add_archive_symbols): Add dirpath_, dirindex_, and
2376         input_argument_ fields.  Add them to constructor.  Change all
2377         callers.
2378         * script.cc: Include "target-select.h".
2379         (class Parser_closure): Add skip_on_incompatible_target_ and
2380         found_incompatible_target_ fields.  Add
2381         skip_on_incompatible_target parameter to constructor.  Change all
2382         callers.  Add methods skip_on_incompatible_target,
2383         clear_skip_on_incompatible_target, found_incompatible_target, and
2384         set_found_incompatible_target.
2385         (read_input_script): Add dirindex parameter.  Change all callers.
2386         If parser finds an incompatible target, requeue Read_symbols
2387         task.
2388         (script_set_symbol): Clear skip_on_incompatible_target in
2389         closure.
2390         (script_add_assertion, script_parse_option): Likewise.
2391         (script_start_sections, script_add_phdr): Likewise.
2392         (script_check_output_format): New function.
2393         * script.h (read_input_script): Update declaration.
2394         * script-c.h (script_check_output_format): Declare.
2395         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
2396         (ignore_cmd): Remove OUTPUT_FORMAT.
2397         * fileread.cc (Input_file::Input_file): Add explicit this.
2398         (Input_file::will_search_for): New function.
2399         (Input_file::open): Add pindex parameter.  Change all callers.
2400         * fileread.h (class Input_file): Add input_file_argument method.
2401         Declare will_search_for.  Update declarations.
2402         * object.cc (make_elf_object): Add punconfigured parameter.
2403         Change all callers.
2404         * object.h (class Object): Make input_file public.  Add
2405         searched_for method.
2406         (make_elf_object): Update declaration.
2407         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
2408         restart search.
2409         * dirsearch.h (class Dirsearch): Update declaration.
2410         * options.h (class General_options): Add --warn-search-mismatch.
2411         * parameters.cc (Parameters::is_compatible_target): New function.
2412         * parameters.h (class Parameters): Declare is_compatible_target.
2413         * workqueue.cc (Workqueue::add_blocker): New function.
2414         * workqueue.h (class Workqueue): Declare add_blocker.
2415
2416         * fileread.cc (Input_file::open): Remove options parameter.
2417         Change all callers.
2418         (Input_file::open_binary): Likewise.
2419         * script.cc (read_input_script): Likewise.
2420         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
2421         options parameter from constructor.  Change all callers.
2422         (class Read_script): Likewise.
2423         * fileread.h (class Input_file): Update declarations.
2424         * script.h (read_input_script): Update declaration.
2425
2426 2009-03-10  Nick Clifton  <nickc@redhat.com>
2427
2428         * po/es.po: New Spanish translation.
2429
2430 2009-03-06  Cary Coutant  <ccoutant@google.com>
2431
2432         * options.cc (parse_short_option): Keep dash_z from registering itself.
2433
2434 2009-03-03  Ian Lance Taylor  <iant@google.com>
2435
2436         PR 9918
2437         * target-reloc.h (relocate_section): Pass output_section to
2438         relocate.
2439         * i386.cc (Target_i386::should_apply_static_reloc): Add
2440         output_section parameter.  Change all callers.
2441         (Target_i386::Relocate::relocate): Add output_section parameter.
2442         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
2443         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
2444         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
2445         * testsuite/two_file_shared.sh: New script.
2446         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
2447         (check_DATA): Add two_file_shared.dbg.
2448         (two_file_shared.dbg): New target.
2449         * testsuite/Makefile.in: Rebuild.
2450
2451 2009-03-01  Ian Lance Taylor  <iant@google.com>
2452
2453         * configure.ac: Check for byteswap.h.
2454         * configure: Rebuild.
2455         * config.in: Rebuild.
2456
2457 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
2458
2459         * layout.cc (Layout::find_or_add_kept_section): New function.
2460         (Layout::add_comdat): Removed.
2461         * layout.h (struct Kept_section): Move out of class Layout.
2462         Remove trailing underscores from field names.  Add group_sections
2463         field.  Rename group_ field to is_group.  Change all uses.
2464         (class Layout): Declare find_or_add_kept_section, not add_comdat.
2465         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
2466         comdat_groups_ field.
2467         (Sized_relobj::include_section_group): Use
2468         find_or_add_kept_section and Kept_section::group_sections.
2469         (Sized_relobj::include_linkonce_section): Likewise.
2470         * object.cc (class Sized_relobj): Don't define Comdat_group or
2471         Comdat_group_table.  Remove find_comdat_group and
2472         add_comdat_group.  Remove comdat_groups_ field.
2473         * plugin.cc (include_comdat_group): Use
2474         Layout::find_or_add_kept_section.
2475
2476 2009-02-28  Ian Lance Taylor  <iant@google.com>
2477
2478         * README: --gc-sections and map files are now supported.  Document
2479         some build requirements.
2480
2481         PR 6992
2482         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
2483         relocatable link set the value of the section symbol to zero.
2484         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
2485         relocatable link don't include the section address in the local
2486         symbol value.
2487
2488 2009-02-27  Ian Lance Taylor  <iant@google.com>
2489
2490         PR 6811
2491         * options.h (class Search_directory): Add is_system_directory.
2492         (class General_options): Declare is_in_system_directory.
2493         * options.cc (get_relative_sysroot): Make static.
2494         (get_default_sysroot): Make static.
2495         (General_optoins::is_in_system_directory): New function.
2496         * fileread.cc (Input_file::is_in_system_directory): New function.
2497         * fileread.h (class Input_file): Declare is_in_system_directory.
2498         * object.h (class Object): Add is_in_system_directory.
2499         (class Input_objects): Remove system_library_directory_ field.
2500         * object.cc (Input_objects::add_object): Don't set
2501         system_library_directory_.
2502         (input_objects::found_in_system_library_directory): Remove.
2503         * symtab.cc (Symbol_table::write_globals): Remove input_objects
2504         parameter.  Change all callers.
2505         (Symbol_table::sized_write_globals): Likewise.
2506         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
2507         Call Object::is_in_system_directory.
2508         * symtab.h (class Symbol_table): Update declarations.
2509
2510         PR 5990
2511         * descriptors.h (Open_descriptor): Add is_on_stack field.
2512         * descriptors.cc (Descriptors::open): If the descriptor is on the
2513         top of the stack, remove it.  Initialize is_on_stack field.
2514         (Descriptors::release): Only add pod to stack if it is not on the
2515         stack already.
2516         (Descriptors::close_some_descriptor): Clear stack_next and
2517         is_on_stack fields.
2518
2519         PR 7091
2520         * output.cc (Output_section::find_starting_output_address): Rename
2521         from starting_output_address; add PADDR parameter; change return
2522         type.
2523         * output.h (class Output_section): Declare
2524         find_starting_output_address instead of starting_output_address.
2525         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
2526         section symbol for which we can't find a merge section.
2527
2528         PR 9836
2529         * symtab.cc (Symbol_table::add_from_object): If the visibility is
2530         hidden or internal, force the symbol to be local.
2531         * resolve.cc (Symbol::override_visibility): Define.
2532         (Symbol::override_base): Use override_visibility.
2533         (Symbol_table::resolve): Likewise.
2534         (Symbol::override_base_with_special): Likewise.
2535         (Symbol_table::override_with_special): If the visibility is hidden
2536         or internal, force the symbol to be local.
2537         * symtab.h (class Symbol): Add set_visibility and
2538         override_visibility.
2539         * testsuite/ver_test_1.sh: New file.
2540         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
2541         (check_DATA): Add ver_test_1.syms.
2542         (ver_test_1.syms): New target.
2543         * testsuite/Makefile.in: Rebuild.
2544
2545 2009-02-25  Cary Coutant  <ccoutant@google.com>
2546
2547         * layout.cc (Layout::choose_output_section): Don't rename sections
2548         when using a linker script that has a SECTIONS clause.
2549         * Makefile.in: Regenerate.
2550
2551         * testsuite/Makefile.am (script_test_5.sh): New test case.
2552         * testsuite/Makefile.in: Regenerate.
2553         * testsuite/script_test_5.cc: New file.
2554         * testsuite/script_test_5.sh: New file.
2555         * testsuite/script_test_5.t: New file.
2556
2557 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
2558
2559         * archive.cc (Archive::include_member): Update calls to add_symbols.
2560         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
2561         the Layout argument.
2562         * dynobj.h (do_add_symbols): Add the Layout argument.
2563         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
2564         Layout argument.
2565         * object.h (Object::add_symbols): Add the Layout argument.
2566         (Object::do_add_symbols): Add the Layout argument.
2567         (Sized_relobj::do_add_symbols): Add the Layout argument.
2568         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
2569         Unify the two versions.
2570         (Add_plugin_symbols): Remove.
2571         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
2572         (Sized_pluginobj::do_add_symbols): Unify the two versions.
2573         (Add_plugin_symbols): Remove.
2574         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
2575         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
2576         (Add_symbols::run): Make it work with Pulginobj.
2577
2578 2009-02-06  Ian Lance Taylor  <iant@google.com>
2579
2580         * object.cc (Sized_relobj::do_layout): Make info message start
2581         with lower case letter.
2582
2583 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
2584
2585         * binary.cc: Fix file comment.
2586
2587         * options.h (enum Incremental_disposition): Define.
2588         (class General_options): Add new options: --incremental,
2589         --incremental_changed, --incremental_unchanged,
2590         --incremental_unknown.  Add incremental_disposition_ and
2591         implicit_incremental_ fields.
2592         (General_options::incremental_disposition): New function.
2593         (class Position_dependent_options): Add incremental_disposition
2594         option.
2595         (Position_dependent_options::copy_from_options): Set incremental
2596         dispositions.
2597         * options.cc (General_options::parse_incremental_changed): New
2598         function.
2599         (General_options::parse_incremental_unchanged): New function.
2600         (General_options::parse_incremental_unknown): New function.
2601         (General_options::General_options): Initialize new fields
2602         incremental_disposition_ and implicit_incremental_.
2603         (General_options::finalize): Check for uasge of --incremental-*
2604         without --incremental.
2605
2606 2009-02-06  Chris Demetriou  <cgd@google.com>
2607
2608         * gold.h (gold_undefined_symbol): Change to take only a Symbol
2609         pointer and to report location as the file name associated with
2610         the symbol.
2611         (gold_undefined_symbol_at_location): New function to replace the
2612         old gold_undefined_symbol functionality.
2613         * target-reloc.h (relocate_section): Update to use
2614         gold_undefined_symbol_at_location.
2615         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
2616         Call gold_undefined_symbol function rather than gold_error.
2617         * errors.h (Errors::undefined_symbol): Take location as a
2618         string, rather than calculating it from a relocation.
2619         * errors.cc (Errors::fatal): Print "fatal error:" before the
2620         formatted message.
2621         (Errors::error, Errors::error_at_location): Print "error: "
2622         before the formatted message.
2623         (Errors::undefined_symbol): Take location as a string, rather
2624         than calculating it from a relocation.
2625         (gold_undefined_symbol_at_location): New function akin to
2626         old gold_undefined_symbol, calculates location from relocation.
2627         (gold_undefined_symbol): Change to take only a Symbol pointer
2628         and to report location as the file name associated with the symbol.
2629         * testsuite/debug_msg.sh: Update for changed error messages.
2630         * testsuite/undef_symbol.sh: Likewise.
2631
2632 2009-02-04  Duncan Sands  <baldrick@free.fr>
2633
2634         PR 9812
2635         * reduced_debug_output.h
2636         (Output_reduced_debug_abbrev_section::failed): Use format for
2637         gold_warning.
2638         (Output_reduced_debug_info_section::faild): Likewise.
2639
2640 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
2641
2642         * script.cc (Lazy_demangler): New class.
2643         (Version_script_info::get_symbol_version_helper): Demangle a
2644         symbol only once.
2645
2646 2009-01-29  Cary Coutant  <ccoutant@google.com>
2647
2648         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
2649         to __tls_get_addr.
2650         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
2651
2652 2009-01-28  Ian Lance Taylor  <iant@google.com>
2653
2654         * version.cc (version_string): Bump to 1.9.
2655
2656         * gold.h: Include <cstring> and <stdint.h>.
2657         * version.cc: Include <cstdio>.
2658         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
2659         warning.
2660         * reduced_debug_output.cc (insert_into_vector): Rename from
2661         Insert_into_vector; change all callers.  Use Swap_unaligned to
2662         avoid aliasing issue; remove union since it is unnecessary.
2663
2664 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
2665
2666         * Makefile.am (CCFILES): Add gc.cc.
2667         (HFILES): Add gc.h.
2668         * Makefile.in: Regenerate.
2669         * gold.cc (Gc_runner): New class.
2670         (queue_initial_tasks): Call garbage collection related tasks
2671         when corresponding options are invoked.
2672         (queue_middle_gc_tasks): New function.
2673         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
2674         processed early before laying out sections during garbage collection.
2675         * gold.h (queue_middle_gc_tasks): New function.
2676         (is_prefix_of): Move from "layout.cc".
2677         * i386.cc (Target_i386::gc_process_relocs): New function.
2678         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
2679         * main.cc (main): Create object of class "Garbage_collection".
2680         * object.cc (Relobj::copy_symbols_data): New function.
2681         (Relobj::is_section_name_included): New function.
2682         (Sized_relobj::do_layout): Allow this function to be called twice 
2683         during garbage collection and defer layout of section during the 
2684         first call.
2685         * object.h (Relobj::get_symbols_data): New function.
2686         (Relobj::is_section_name_included): New function.
2687         (Relobj::copy_symbols_data): New function.
2688         (Relobj::set_symbols_data): New function.
2689         (Relobj::get_relocs_data): New function.
2690         (Relobj::set_relocs_data): New function.
2691         (Relobj::is_output_section_offset_invalid): New pure virtual function.
2692         (Relobj::gc_process_relocs): New function.
2693         (Relobj::do_gc_process_relocs): New pure virtual function.
2694         (Relobj::sd_): New data member.
2695         (Sized_relobj::is_output_section_offset_invalid): New function.
2696         (Sized_relobj::do_gc_process_relocs): New function.
2697         * options.h (General_options::gc_sections): Modify to not be a no-op.
2698         (General_options::print_gc_sections): New option.
2699         * plugin.cc (Plugin_finish::run): Remove function call to
2700         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
2701         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
2702         * reloc.cc (Read_relocs::run): Add task to process relocs and
2703         determine unreferenced sections when doing garbage collection.
2704         (Gc_process_relocs): New class.
2705         (Sized_relobj::do_gc_process_relocs): New function.
2706         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
2707         sections that are garbage collected.
2708         * reloc.h (Gc_process_relocs): New class.
2709         * sparc.cc (Target_sparc::gc_process_relocs): New function.
2710         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
2711         symbols whose corresponding sections are garbage collected.
2712         (Symbol_table::Symbol_table): Add new parameter for the garbage
2713         collection object.
2714         (Symbol_table::gc_mark_undef_symbols): New function.
2715         (Symbol_table::gc_mark_symbol_for_shlib): New function.
2716         (Symbol_table::gc_mark_dyn_syms): New function.
2717         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
2718         as garbage.
2719         (Symbol_table::add_from_object): Likewise.
2720         (Symbol_table::add_from_relobj): When building shared objects, do not
2721         treat externally visible symbols as garbage.
2722         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
2723         table information for static and relocatable links.
2724         * symtab.h (Symbol_table::set_gc): New function.
2725         (Symbol_table::gc): New function.
2726         (Symbol_table::gc_mark_undef_symbols): New function.
2727         (Symbol_table::gc_mark_symbol_for_shlib): New function.
2728         (Symbol_table::gc_mark_dyn_syms): New function.
2729         (Symbol_table::gc_): New data member.
2730         * target.h (Sized_target::gc_process_relocs): New pure virtual 
2731         function.
2732         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
2733         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
2734
2735 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
2736
2737         * options.h (General_options::gc_sections): Define as a no-op for now.
2738         (General_options::no_keep_memory): Ditto.
2739         (General_options::Bshareable): Define.
2740         * options.cc (General_options::finalize): Honor -Bshareable.
2741
2742 2009-01-20  Andreas Schwab  <schwab@suse.de>
2743
2744         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
2745         read the value in the contents, since we don't use it.  Use the
2746         template endianness when writing.
2747         (Relocate::relocate): Use it for R_PPC_REL16_HA.
2748
2749 2009-01-19  Andreas Schwab  <schwab@suse.de>
2750
2751         * configure.tgt (powerpc64-*): Fix targ_obj.
2752
2753 2009-01-15  Ian Lance Taylor  <iant@google.com>
2754
2755         * object.cc (Sized_relobj::write_local_symbols): Don't write out
2756         local symbols when stripping all symbols.
2757
2758 2009-01-14  Cary Coutant  <ccoutant@google.com>
2759
2760         * output.cc (Output_reloc): Add explicit instantiations.
2761
2762 2009-01-14  Cary Coutant  <ccoutant@google.com>
2763
2764         * archive.cc (Archive::get_elf_object_for_member): Remove call
2765         to File_read::claim_for_plugin.
2766         * descriptors.cc (Descriptors::open): Remove reference to
2767         is_claimed.
2768         (Descriptors::claim_for_plugin): Remove.
2769         * descriptors.h (Descriptors::claim_for_plugin): Remove.
2770         (Descriptors::is_claimed): Remove.
2771         (claim_descriptor_for_plugin): Remove.
2772         * fileread.cc (File_read::claim_for_plugin): Remove.
2773         * fileread.h (File_read::claim_for_plugin): Remove.
2774         (File_read::descriptor): Reopen descriptor if necessary.
2775         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
2776         (Plugin_manager::all_symbols_read): Add task parameter. Change
2777         all callers.
2778         (Plugin_manager::get_input_file): New function.
2779         (Plugin_manager::release_input_file): New function.
2780         (Pluginobj::Pluginobj): Add filesize parameter and initialize
2781         corresponding data member.
2782         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
2783         and pass to base constructor. Change all callers.
2784         (get_input_file, release_input_file): New functions.
2785         (make_sized_plugin_object): Add filesize parameter. Change all callers.
2786         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
2787         (Plugin_manager::all_symbols_read): Add task parameter.
2788         (Plugin_manager::get_input_file): New function.
2789         (Plugin_manager::release_input_file): New function.
2790         (Plugin_manager::task_): New data member.
2791         (Pluginobj::Pluginobj): Add filesize parameter.
2792         (Pluginobj::filename): New function.
2793         (Pluginobj::descriptor): New function.
2794         (Pluginobj::filesize): New function.
2795         (Pluginobj::filesize_): New data member.
2796         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
2797         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
2798         File_read::claim_for_plugin; use Object::unlock to unlock the file.
2799
2800         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
2801         with archive libraries.
2802         * testsuite/Makefile.in: Regenerate.
2803         * testsuite/plugin_test.c (struct sym_info): New type.
2804         (get_input_file, release_input_file): New static variables.
2805         (onload): Capture new transfer vector entries.
2806         (claim_file_hook): Stop reading at end of file according to filesize.
2807         Factor out parsing of readelf output into separate function.
2808         (all_symbols_read_hook): Exercise get_input_file and release_input_file
2809         APIs and get the source file name from the symbol table.  Convert
2810         source file name to corresponding object file name.  Print info
2811         message when adding new input files.
2812         (parse_readelf_line): New function.
2813         * testsuite/plugin_test_1.sh: Add checks for new info messages.
2814         * testsuite/plugin_test_2.sh: Likewise.
2815         * testsuite/plugin_test_3.sh: Likewise.
2816         * testsuite/plugin_test_4.sh: New test case.
2817
2818 2009-01-07  Ian Lance Taylor  <iant@google.com>
2819
2820         * version.cc (version_string): Bump to 1.8.
2821
2822 2008-12-23  Cary Coutant  <ccoutant@google.com>
2823
2824         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
2825         * plugin.cc (Plugin_manager::finish): Rename as
2826         layout_deferred_objects.  Move cleanup to separate function.
2827         (Plugin_manager::cleanup): New function.
2828         (Plugin_finish::run): Call layout_deferred_objects and cleanup
2829         separately.
2830         * plugin.h (Plugin_manager::finish): Rename as
2831         layout_deferred_objects.
2832         (Plugin_manager::cleanup): New function.
2833         (Plugin_manager::cleanup_done): New field.
2834
2835 2008-12-23  Cary Coutant  <ccoutant@google.com>
2836
2837         * plugin.cc (is_visible_from_outside): New function.
2838         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
2839         so we don't return "IR only" status for exported symbols or -r links.
2840
2841         * testsuite/Makefile.am (plugin_test_3): New test case.
2842         * testsuite/Makefile.in: Regenerate.
2843         * testsuite/plugin_test_3.sh: New file.
2844
2845 2008-12-22  Cary Coutant  <ccoutant@google.com>
2846
2847         * object.cc (Sized_relobj::layout_section): New function.
2848         (Sized_relobj::do_layout): Defer layout of input sections until after
2849         plugin has provided replacement files.
2850         (Sized_relobj::do_layout_deferred_sections): New function.
2851         * object.h (Relobj::set_section_offset): Remove virtual keyword.
2852         (Relobj::layout_deferred_sections): New function.
2853         (Relobj::do_layout_deferred_sections): New function.
2854         (Sized_relobj::do_layout_deferred_sections): New function.
2855         (Sized_relobj::layout_section): New function.
2856         (Sized_relobj::Deferred_layout): New structure.
2857         (Sized_relobj::deferred_layout_): New field.
2858         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
2859         Change all callers.  Layout deferred sections.
2860         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
2861         references.
2862         (Plugin_hook::run): Move code from do_plugin_hook inline.
2863         (Plugin_hook::do_plugin_hook): Remove.
2864         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
2865         (Plugin_manager::finish): Renamed, was cleanup.
2866         (Plugin_manager::should_defer_layout): New function.
2867         (Plugin_manager::add_deferred_layout_object): New function.
2868         (Plugin_manager::Deferred_layout_list): New type.
2869         (Plugin_manager::deferred_layout_objects_): New field.
2870         (Plugin_hook::do_plugin_hook): Remove.
2871
2872 2008-12-17  Ian Lance Taylor  <iant@google.com>
2873
2874         * options.h (class General_options): Add --no case for
2875         --export-dynamic.
2876
2877 2008-12-16  Cary Coutant  <ccoutant@google.com>
2878
2879         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
2880         vector.
2881         (Plugin_manager::claim_file): Create plugin object even if
2882         plugin did not call the add_symbols callback.
2883         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
2884         asking for more symbols than were added.
2885         * testsuite/Makefile.am (plugin_test_1): Add test case with
2886         no global symbols.
2887         (empty.syms): New target.
2888         * testsuite/Makefile.in: Regenerate.
2889         * testsuite/plugin_test.c (claim_file_hook): Add new debug
2890         message. Don't call add_symbols if no globals.
2891         (all_symbols_read_hook): Don't provide replacement for empty
2892         claimed file.
2893
2894 2008-12-12  Ian Lance Taylor  <iant@google.com>
2895
2896         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
2897         r_type == 0 for a local symbol with r_sym == 0.
2898         (scan_relocatable_relocs): Pass r_sym to
2899         local_non_section_strategy.
2900         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
2901         r_sym parameter.
2902
2903         * configure.ac: Update test for TLS descriptors: they are
2904         supported as of glibc 2.9.
2905         * configure: Rebuild.
2906
2907 2008-12-11  Ian Lance Taylor  <iant@google.com>
2908
2909         PR 7091
2910         * target-reloc.h (Default_scan_relocatable_relocs): For each
2911         function, map r_type == 0 to RELOC_DISCARD.
2912
2913 2008-12-10  Cary Coutant  <ccoutant@google.com>
2914
2915         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
2916         object to override a kept COMDAT group from a plugin object.
2917
2918 2008-12-09  Ian Lance Taylor  <iant@google.com>
2919
2920         PR 7088
2921         * yyscript.y (file_cmd): Handle INPUT.
2922
2923         * testsuite/initpri1.c: Change all declarations to be full
2924         prototypes by adding void, to avoid compiler warnings.
2925
2926 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
2927
2928         * options.cc (General_options::parse_plugin_opt): New.
2929         (General_options::add_plugin): The argument now is just the filename.
2930         (General_options::add_plugin_option): New.
2931         * options.h (plugin_opt): New.
2932         (add_plugin): Change argument name.
2933         (add_plugin_option): New.
2934         * plugin.cc (Plugin::load): Don't parse the plugin option.
2935         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
2936         (Plugin::add_option): New.
2937         (Plugin::args_): Change type.
2938         (Plugin::filename_): New.
2939         (Plugin_manager::add_plugin_option): New.
2940         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
2941         * testsuite/Makefile.in: Regenerate.
2942
2943 2008-12-05  Cary Coutant  <ccoutant@google.com>
2944
2945         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
2946         Handle --strip-lto-sections option.
2947         * options.h (strip_lto_sections): New option.
2948
2949 2008-12-01  Cary Coutant  <ccoutant@google.com>
2950
2951         * plugin.cc (ld_plugin_message): Change format parameter to const.
2952         Fix mismatch between new[] and delete.
2953
2954 2008-11-14  Cary Coutant  <ccoutant@google.com>
2955
2956         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
2957         instead of -1U.
2958
2959 2008-11-05  Craig Silverstein  <csilvers@google.com>
2960
2961         * options.cc (General_options::parse_dynamic_list): New function.
2962         * options.h (General_options): New flags dynamic_list,
2963         dynamic_list_data, dynamic_list_cpp_new, and
2964         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
2965         (General_options::in_dynamic_list): New function.
2966         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
2967         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
2968         (Lex::can_continue_name): Likewise.
2969         (yylex): Likewise.
2970         (read_script_file): New parameter script_options.
2971         (read_dynamic_list): New function.
2972         (Script_options::define_dynamic_list): New function.
2973         (dynamic_list_keyword_parsecodes): New variable.
2974         (dynamic_list_keywords): New variable.
2975         * script.h (Script_options::define_dynamic_list): New function
2976         prototype.
2977         (read_dynamic_list): New function prototype.
2978         * symtab.cc (strprefix): New macro.
2979         (Symbol::should_add_dynsym_entry): Support dynamic_list,
2980         dynamic_list_data, dynamic_list_cpp_new, and
2981         dynamic_list_cpp_typeinfo.
2982         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
2983         (dynamic_list_expr): New rule.
2984         (dynamic_list_nodes): Likewise.
2985         (dynamic_list_node): Likewise.
2986         * testsuite/Makefile.am (dynamic_list): New test.
2987         * testsuite/Makefile.in: Regenerated.
2988         * testsuite/dynamic_list.t: New file.
2989         * testsuite/dynamic_list.sh: New file.
2990
2991 2008-11-05  Craig Silverstein  <csilvers@google.com>
2992
2993         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
2994         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
2995         (t11_last): Likewise.
2996         * testsuite/ver_test_6.c (main): Likewise.
2997
2998 2008-10-07  Cary Coutant  <ccoutant@google.com>
2999
3000         * options.c (General_options::finalize): Add check for -static and
3001         -shared.
3002         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
3003         is not empty.
3004
3005 2008-10-02  Cary Coutant  <ccoutant@google.com>
3006
3007         * plugin.cc (make_sized_plugin_object): Fix conditional
3008         compilation to work when not all targets are enabled.
3009
3010 2008-09-29  Cary Coutant  <ccoutant@google.com>
3011
3012         * archive.cc (Archive::get_file_and_offset): Use filename instead
3013         of name to get library path.
3014         (Archive::include_member): Unlock external member of a thin archive.
3015
3016         * testsuite/Makefile.am (TEST_AR): New variable.
3017         (thin_archive_test_1): New test.
3018         (thin_archive_test_2): New test.
3019         * testsuite/Makefile.in: Regenerate.
3020         * testsuite/thin_archive_main.cc: New file.
3021         * testsuite/thin_archive_test_1.cc: New file.
3022         * testsuite/thin_archive_test_2.cc: New file.
3023         * testsuite/thin_archive_test_3.cc: New file.
3024         * testsuite/thin_archive_test_4.cc: New file.
3025
3026 2008-09-29  Cary Coutant  <ccoutant@google.com>
3027
3028         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
3029         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
3030         instead of -1U.
3031         (Sized_relobj::do_finalize_local_symbols): Likewise.
3032         (Sized_relobj::map_to_kept_section): Likewise.
3033         * object.h (Sized_relobj::invalid_address): New constant.
3034         (Sized_relobj::do_output_section_offset): Check for invalid_address
3035         and return -1ULL.
3036         * output.cc (Output_reloc::local_section_offset): Use constant
3037         invalid_address instead of -1U.
3038         (Output_reloc::get_address): Likewise.
3039         (Output_section::output_address): Change -1U to -1ULL.
3040         * output.h (Output_reloc::invalid_address): New constant.
3041         * reloc.cc (Sized_relobj::write_sections): Use constant
3042         invalid_address instead of -1U.
3043         (Sized_relobj::relocate_sections): Likewise.
3044         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
3045         values for merge sections.
3046         * target-reloc.h (relocate_for_relocatable): Use constant
3047         invalid_address instead of -1U.
3048
3049 2008-09-19  Cary Coutant  <ccoutant@google.com>
3050
3051         Add plugin functionality for link-time optimization (LTO).
3052         * configure.ac (plugins): Add --enable-plugins option.
3053         * configure: Regenerate.
3054         * config.in: Regenerate.
3055         * Makefile.am (LIBDL): New variable.
3056         (CCFILES): Add plugin.cc.
3057         (HFILES): Add plugin.h.
3058         (ldadd_var): Add LIBDL.
3059         * Makefile.in: Regenerate.
3060
3061         * archive.cc: Include "plugin.h".
3062         (Archive::setup): Don't preread archive symbols when using a plugin.
3063         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
3064         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
3065         files.
3066         (Archive::include_member): Add symbols from plugin objects.
3067         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
3068         * descriptors.cc (Descriptors::open): Check for file descriptors
3069         abandoned by plugins.
3070         (Descriptors::claim_for_plugin): New function.
3071         * descriptors.h (Descriptors::claim_for_plugin): New function.
3072         (Open_descriptor::is_claimed): New field.
3073         (claim_descriptor_for_plugin): New function.
3074         * fileread.cc (File_read::claim_for_plugin): New function.
3075         * fileread.h (File_read::claim_for_plugin): New function.
3076         (File_read::descriptor): New function.
3077         * gold.cc: Include "plugin.h".
3078         (queue_initial_tasks): Add task to call plugin hooks for generating
3079         new object files.
3080         * main.cc: Include "plugin.h".
3081         (main): Load plugin libraries.
3082         * object.h (Pluginobj): Declare.
3083         (Object::pluginobj): New function.
3084         (Object::do_pluginobj): New function.
3085         (Object::set_target): New function.
3086         * options.cc: Include "plugin.h".
3087         (General_options::parse_plugin): New function.
3088         (General_options::General_options): Initialize plugins_ field.
3089         (General_options::add_plugin): New function.
3090         * options.h (Plugin_manager): Declare.
3091         (General_options): Add --plugin option.
3092         (General_options::has_plugins): New function.
3093         (General_options::plugins): New function.
3094         (General_options::add_plugin): New function.
3095         (General_options::plugins_): New field.
3096         * plugin.cc: New file.
3097         * plugin.h: New file.
3098         * readsyms.cc: Include "plugin.h".
3099         (Read_symbols::do_read_symbols): Check for archive before checking
3100         for ELF file.  Call plugin hooks to claim files.
3101         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
3102         from a real object file; force override when processing replacement
3103         files.
3104         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
3105         (Symbol::init_base_object): Likewise.
3106         (Symbol::init_base_output_data): Likewise.
3107         (Symbol::init_base_output_segment): Likewise.
3108         (Symbol::init_base_constant): Likewise.
3109         (Symbol::init_base_undefined): Likewise.
3110         (Symbol::output_section): Assert that object is not a plugin.
3111         (Symbol_table::add_from_pluginobj): New function.
3112         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
3113         undefined.
3114         (Symbol_table::sized_write_globals): Likewise.
3115         (Symbol_table::add_from_pluginobj): Instantiate template.
3116         * symtab.h (Sized_pluginobj): Declare.
3117         (Symbol::in_real_elf): New function.
3118         (Symbol::set_in_real_elf): New function.
3119         (Symbol::in_real_elf_): New field.
3120         (Symbol_table::add_from_pluginobj): New function.
3121
3122         * testsuite/Makefile.am (AM_CFLAGS): New variable.
3123         (LIBDL): New variable.
3124         (LDADD): Add LIBDL.
3125         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
3126         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
3127         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
3128         (MOSTLYCLEANFILES): Likewise.
3129         * testsuite/Makefile.in: Regenerate.
3130         * testsuite/plugin_test.c: New file.
3131         * testsuite/plugin_test_1.sh: New file.
3132         * testsuite/plugin_test_2.sh: New file.
3133
3134 2008-09-16  Ian Lance Taylor  <iant@google.com>
3135
3136         * target-reloc.h (relocate_section): Check whether a symbol is
3137         defined by the ABI before reporting an undefined symbol error.
3138         * target.h (Target::is_defined_by_abi): Make parameter const.
3139         (Target::do_is_defined_by_abi): Likewise.
3140         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
3141         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
3142         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
3143         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
3144         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
3145         * testsuite/Makefile.in: Rebuild.
3146
3147         * fileread.cc (make_view): Add casts to avoid warning.
3148
3149 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
3150
3151         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
3152         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
3153
3154 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
3155
3156         * options.h (General_options::output_is_executable): New.
3157         (General_options::output_is_pie): New.
3158         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
3159         for shared libraries.
3160         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
3161
3162 2008-09-11  Chris Demetriou  <cgd@google.com>
3163
3164         * options.h (origin): New -z option.
3165         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
3166         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
3167         in DT_FLAGS_1.
3168
3169 2008-09-05  Cary Coutant  <ccoutant@google.com>
3170
3171         * fileread.cc (File_read::make_view): Add check for attempt to map
3172         beyond end of file.
3173
3174 2008-09-05  Cary Coutant  <ccoutant@google.com>
3175
3176         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
3177         explicit instantiations.
3178
3179 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
3180
3181         PR gold/6858
3182         * options.cc (General_options::finalize): Allow undefined symbols
3183         in shlibs if linking -shared.
3184
3185         PR gold/6859
3186         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
3187         symbols as not needing a dynsym entry.
3188
3189 2008-08-20  Craig Silverstein  <csilvers@google.com>
3190
3191         * fileread.cc (File_read::open): Do not lock the file unless it
3192         was successfully opened.
3193
3194 2008-08-14  Cary Coutant  <ccoutant@google.com>
3195
3196         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
3197         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
3198         * testsuite/tls_test.cc (struct int128): 128-bit struct
3199         for testing TLS relocs with non-zero addend.
3200         (v12): New TLS variable.
3201         (t12): New test.
3202         (t_last): Add check for v12.
3203         * testsuite/tls_test.h (t12): New function.
3204         * testsuite/tls_test_main.cc (thread_routine): Call new test.
3205
3206 2008-08-13  Ian Lance Taylor  <iant@google.com>
3207
3208         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
3209         set tls_segment_ or relro_segment_.
3210         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
3211         when appropriate.
3212         * output.h (Output_section::clear_is_relro): New function.
3213         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
3214         sections specially even when output_data_ is empty.
3215         (Output_segment::maximum_alignment): When first section is relro,
3216         only force alignment for PT_LOAD segments.
3217         * script.cc (script_data_segment_align): New function.
3218         (script_data_segment_relro_end): New function.
3219         * script-c.h (script_data_segment_align): Declare.
3220         (script_data_segment_relro_end): Declare.
3221         * script-sections.h (class Script_sections): Declare
3222         data_segment_align and data_segment_relro_end.  Add fields
3223         segment_align_index_ and saw_relro_end_.
3224         * script-sections.cc (class Sections_element): Add set_is_relro
3225         virtual function.  Add new bool* parameter to place_orphan_here.
3226         Add get_output_section virtual function.
3227         (class Output_section_definition): Add set_is_relro.  Add new
3228         bool* parameter to place_orphan_here.  Add get_output_section.
3229         Add is_relro_ field.
3230         (Output_section_definition::Output_section_definition): Initialize
3231         evaluated_address_, evaluated_load_address, evaluated_addralign_,
3232         and is_relro_ fields.
3233         (Output_section_definition::place_orphan_here): Add is_relro
3234         parameter.
3235         (Output_section_definition::set_section_addresses): Set relro for
3236         output section.
3237         (Output_section_definition::alternate_constraint): Likewise.
3238         (class Orphan_output_section): Add new bool* parameter to
3239         place_orphan_here.  Add get_output_section.
3240         (Orphan_output_section::place_orphan_here): Add is_relro
3241         parameter.
3242         (Script_sections::Script_sections): Initialize
3243         data_segment_align_index_ and saw_relro_end_.
3244         (Script_sections::data_segment_align): New function.
3245         (Script_sections::data_segment_relro_end): New function.
3246         (Script_sections::place_orphan): Set or clear is_relro.
3247         (Script_sections::set_section_addresses): Force alignment of first
3248         TLS section.
3249         * yyscript.y (exp): Call script_data_segment_align and
3250         script_data_segment_relro_end.
3251         * testsuite/relro_script_test.t: New file.
3252         * testsuite/relro_test.cc (using_script): Declare.
3253         (t1, t2): Test using_script.
3254         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
3255         (relro_script_test_SOURCES): Define.
3256         (relro_script_test_DEPENDENCIES): Define.
3257         (relro_script_test_LDFLAGS): Define.
3258         (relro_script_test_LDADD): Define.
3259         (relro_script_test.so): New target.
3260         * testsuite/Makefile.in: Rebuild.
3261
3262 2008-08-06  Cary Coutant <ccoutant@google.com>
3263
3264         * archive.cc (Archive::total_archives, Archive::total_members)
3265         (Archive::total_members_loaded): New variables.
3266         (Archive::setup): Add parameter.  Add option to preread
3267         archive symbols.
3268         (Archive::read_armap): Add counter.
3269         (Archive::get_file_and_offset): New function.
3270         (Archive::get_elf_object_for_member): New function.
3271         (Archive::read_all_symbols): New function.
3272         (Archive::read_symbols): New function.
3273         (Archive::add_symbols): Add counters.
3274         (Archive::include_all_members): Use armap to find members if it's
3275         already built.
3276         (Archive::include_member): Skip reading symbols if already read.
3277         Factored code into Archive::get_file_and_offset and
3278         Archive::get_elf_object_for_member.  Changed call to
3279         Mapfile::report_include_archive_member.
3280         (Archive::print_stats): New function.
3281         * archive.h: Declare Object and Read_symbols_data classes.
3282         (Archive::Archive): Add initializers for new members.
3283         (Archive::setup): Add parameter.
3284         (Archive::print_stats): New function.
3285         (Archive::total_archives, Archive::total_members)
3286         (Archive::total_members_loaded): New variables.
3287         (Archive::get_file_and_offset): New function.
3288         (Archive::get_elf_object_for_member): New function.
3289         (Archive::read_all_symbols): New function.
3290         (Archive::read_symbols): New function.
3291         (Archive::Archive_member): New class.
3292         (Archive::members_): New member.
3293         (Archive::num_members_): New member.
3294         * main.cc: Include archive.h.
3295         (main): Call Archive::print_stats.
3296         * mapfile.cc (Mapfile::report_include_archive_member): Delete
3297         archive parameter; member_name is now the fully-decorated name.
3298         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
3299         * options.h: (General_options): Add --preread-archive-symbols option.
3300         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
3301         Archive::setup.
3302
3303 2008-08-04  Ian Lance Taylor  <iant@google.com>
3304
3305         * symtab.h (Symbol::use_plt_offset): New function.
3306         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
3307         * powerpc.cc (Relocate::relocate): Likewise.
3308         * sparc.cc (Relocate::relocate): Likewise.
3309         * x86_64.cc (Relocate::relocate): Likewise.
3310         * testsuite/weak_plt.sh: New test.
3311         * testsuite/weak_plt_main.cc: New test.
3312         * testsuite/weak_plt_shared.cc: New test.
3313         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
3314         (check_PROGRAMS): Add weak_plt.
3315         (check_DATA): Add weak_plt_shared.so.
3316         (weak_plt_main_pic.o, weak_plt): New targets.
3317         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
3318         * testsuite/Makefile.in: Rebuild.
3319
3320         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
3321         gcctestdir/ld.
3322         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
3323         * testsuite/Makefile.in: Rebuild.
3324
3325 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
3326
3327         * Makefile.am (POTFILES.in): Set LC_ALL=C.
3328         * Makefile.in: Regenerate.
3329         * po/POTFILES.in: Regenerate.
3330
3331 2008-07-29  Ian Lance Taylor  <iant@google.com>
3332
3333         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
3334         symbols before other symbols.
3335         * testsuite/script_test_2.cc (test_addr): Declare.
3336         (test_addr_alias): Declare.
3337         (main): Check that test_addr and test_addr_alias have the right
3338         values.
3339         * testsuite/script_test_2.t: Define test_addr_alias and
3340         test_addr.
3341
3342 2008-07-24  Ian Lance Taylor  <iant@google.com>
3343
3344         PR 5990
3345         * descriptors.cc: New file.
3346         * descriptors.h: New file.
3347         * gold-threads.h (class Hold_optional_lock): New class.
3348         * fileread.cc: Include "descriptors.h".
3349         (File_read::~File_read): Release descriptor rather than closing
3350         it.
3351         (File_read::open) [file]: Call open_descriptor rather than open.
3352         Set is_descriptor_opened_.
3353         (File_read::open) [memory]: Assert that descriptor is not open.
3354         (File_read::reopen_descriptor): New function.
3355         (File_read::release): Release descriptor.
3356         (File_read::do_read): Make non-const.  Reopen descriptor.
3357         (File_read::read): Make non-const.
3358         (File_read::make_view): Reopen descriptor.
3359         (File_read::do_readv): Likewise.
3360         * fileread.h (class File_read): Add is_descriptor_opened_ field.
3361         Update declarations.
3362         * layout.cc: Include "descriptors.h".
3363         (Layout::create_build_id): Use open_descriptor rather than open.
3364         * output.cc: Include "descriptors.h".
3365         (Output_file::open): Use open_descriptor rather than open.
3366         * archive.cc (Archive::const_iterator): Change Archive to be
3367         non-const.
3368         (Archive::begin, Archive::end): Make non-const.
3369         (Archive::count_members): Likewise.
3370         * archive.h (class Archive): Update declarations.
3371         * object.h (Object::read): Make non-const.
3372         * Makefile.am (CCFILES): Add descriptors.cc.
3373         (HFILES): Add descriptors.h.
3374         * Makefile.in: Rebuild.
3375
3376         PR 6716
3377         * gold.h: Always include <clocale>.  Add Solaris workarounds
3378         following code in binutils/sysdep.h.
3379
3380         PR 6048
3381         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
3382         this->eh_frame_hdr_ is NULL before using it.
3383
3384         * dynobj.cc (Versions::Versions): Update comment.
3385
3386         * dynobj.cc (Versions::Versions): If there is an soname, use it as
3387         the base version name.
3388
3389         * stringpool.cc (Stringpool_template::add_with_length): Set key to
3390         array size plus one.
3391         (Stringpool_template::set_string_offsets): Subtract one from key
3392         before using it as an array index.
3393         (Stringpool_template::get_offset_with_length): Likewise.
3394         (Stringpool_template::write_to_buffer): Likewise.
3395         * stringpool.h (Stringpool_template::get_offset_from_key):
3396         Likewise.
3397
3398 2008-07-23  Ian Lance Taylor  <iant@google.com>
3399
3400         PR 6658
3401         * object.h (Merged_symbol_value::value): Do our best to handle a
3402         negative addend.
3403
3404         PR 6647
3405         * script.cc (Version_script_info::get_versions): Don't add empty
3406         version tag to return value.
3407         (Version_script_info::get_symbol_version_helper): Change return
3408         type to bool.  Add pversion parameter.  Change all callers.
3409         (script_register_vers_node): Don't require a non-NULL tag.
3410         * script.h (class Version_script_info): Update declarations.
3411         (Version_script_info::get_symbol_version): Change return type to
3412         bool.  Add version parameter.  Change all callers.
3413         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
3414         handling.  Handle an empty version from a version script.
3415         (Symbol_table::define_special_symbol): Likewise.
3416         * testsuite/ver_test_10.script: New file.
3417         * testsuite/ver_test_10.sh: New file.
3418         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
3419         (check_DATA): Add ver_test_10.syms.
3420         (ver_test_10.syms, ver_test_10.so): New target.
3421         * testsuite/Makefile.in: Rebuild.
3422
3423 2008-07-23  Simon Baldwin  <simonb@google.com>
3424
3425         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
3426         to zero for undefined symbols from dynamic libraries.
3427
3428 2008-07-23  Ian Lance Taylor  <iant@google.com>
3429
3430         * symtab.cc (Symbol_table::resolve): Remove version parameter.
3431         Change all callers.
3432         * symtab.h (class Symbol_table): Update declaration.
3433         * testsuite/ver_test_9.cc: New file.
3434         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
3435         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
3436         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
3437         (ver_test_9.so, ver_test_9.o): New targets.
3438         * testsuite/Makefile.in: Rebuild.
3439
3440 2008-07-22  Ian Lance Taylor  <iant@google.com>
3441
3442         * options.h (class General_options): Define --check-sections.
3443         * layout.cc (Layout::set_segment_offsets): Handle
3444         --check-sections.
3445
3446         * options.h (class General_options): Define -n/--nmagic and
3447         -N/--omagic.
3448         * options.cc (General_options::finalize): For -n/--nmagic or
3449         -N/--omagic, set -static.
3450         * layout.cc (Layout::attach_allocated_section_to_segment): If
3451         -N/--omagic, don't put read-only and read-write sections in
3452         different segments.
3453         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
3454         finding a read-only segment.
3455         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
3456         don't set the minimum segment alignment to the common page size,
3457         and don't set the file offset to the address modulo the page size.
3458         * script-sections.cc (Script_sections::create_segments): If
3459         -n/--omagic, don't put read-only and read-write sections in
3460         different segments.
3461
3462         * cref.cc: New file.
3463         * cref.h: New file.
3464         * options.h (class General_options): Add --print-symbol-counts.
3465         * main.cc (main): Issue defined symbol report if requested.
3466         * archive.cc (Archive::interpret_header): Make into a const member
3467         function.
3468         (Archive::add_symbols): Call Input_objects::archive_start and
3469         archive_stop.
3470         (Archive::const_iterator): Define new class.
3471         (Archive::begin, Archive::end): New functions.
3472         (Archive::include_all_members): Rewrite to use iterator.
3473         (Archive::count_members): New function.
3474         * archive.h (class Archive): Update declarations.
3475         (Archive::filename): New function.
3476         * object.cc: Include "cref.h".
3477         (Sized_relobj::Sized_relobj): Initialize defined_count_.
3478         (Sized_relobj::do_get_global_symbol_counts): New function.
3479         (Input_objects::add_object): Add object to cross-referencer.
3480         (Input_objects::archive_start): New function.
3481         (Input_objects::archive_stop): New function.
3482         (Input_objects::print_symbol_counts): New function.
3483         * object.h: Declare Cref and Archive.
3484         (Object::get_global_symbol_counts): New function.
3485         (Object::do_get_global_symbol_counts): New pure virtual function.
3486         (class Sized_relobj): Add defined_count_ field.  Update
3487         declarations.
3488         (class Input_objects): Add cref_ field.  Update constructor.
3489         Update declarations.
3490         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
3491         defined_count_.
3492         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
3493         symbol counts.
3494         (Sized_dynobj::do_get_global_symbol_counts): New function.
3495         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
3496         defined_count_.  Update declarations.  Define Symbols typedef.
3497         * symtab.cc (Symbol_table::add_from_relobj): Add defined
3498         parameter.  Change all callers.
3499         (Symbol_table::add_from_dynobj): Add sympointers and defined
3500         parameters.  Change all callers.
3501         * symtab.h (class Symbol_table): Update declarations.
3502         * Makefile.am (CCFILES): Add cref.cc.
3503         (HFILES): Add cref.h.
3504         * Makefile.in: Rebuild.
3505
3506 2008-07-22  Simon Baldwin  <simonb@google.com>
3507
3508         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
3509         to zero when writing undefined symbols.
3510
3511 2008-07-22  Ian Lance Taylor  <iant@google.com>
3512
3513         * output.cc (Output_section::add_input_section): Don't try to
3514         merge empty merge sections.
3515
3516 2008-07-21  Craig Silverstein  <csilvers@google.com>
3517
3518         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
3519         Include symbol version in error message.
3520
3521 2008-07-20  Chris Demetriou  <cgd@google.com>
3522
3523         * configure.ac (gold_cv_c_random_seed): New configured variable.
3524         (RANDOM_SEED_CFLAGS): New substituted variable.
3525         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
3526         * configure: Rebuild.
3527         * Makefile.in: Likewise.
3528         * testsuite/Makefile.in: Likewise.
3529
3530 2008-07-18  Ian Lance Taylor  <iant@google.com>
3531
3532         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
3533         where we see NAME/NULL and NAME/VERSION  as separate symbols.
3534         * testsuite/ver_test_main.cc (main): Call t4.
3535         (t4, t4_2a): Define.
3536         * testsuite/ver_test_2.cc (t4_2): Define.
3537         * testsuite/ver_test_2.script: Put t4_2a in VER2.
3538         * testsuite/ver_test_4.cc (t4_2a): Define.
3539         * testsuite/ver_test_4.script: Put t4_2a in VER2.
3540         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
3541
3542 2008-07-17  Ian Lance Taylor  <iant@google.com>
3543
3544         * dynobj.cc (Versions::add_def): If we give an error about a
3545         missing version, go ahead and create the version anyhow.
3546
3547 2008-07-10  Ian Lance Taylor  <iant@google.com>
3548
3549         Handle output sections with more than 0x7fffffff bytes.
3550         * object.h (class Relobj): Change map_to_output_ to
3551         output_sections_, and just keep a section pointer.  Change all
3552         uses.  Move comdat group support to Sized_relobj.
3553         (Relobj::is_section_specially_mapped): Remove.
3554         (Relobj::output_section): Remove poff parameter.  Change all
3555         callers.
3556         (Relobj::output_section_offset): New function.
3557         (Relobj::set_section_offset): Rewrite.
3558         (Relobj::map_to_output): Remove.
3559         (Relobj::output_sections): New function.
3560         (Relobj::do_output_section_offset): New pure virtual function.
3561         (Relobj::do_set_section_offset): Likewise.
3562         (class Sized_relobj): Add section_offsets_ field.  Add comdat
3563         group support from Relobj.  Update declarations.
3564         (Sized_relobj::get_output_section_offset): New function.
3565         (Sized_relobj::do_output_section_offset): New function.
3566         (Sized_relobj::do_set_section_offset): New function.
3567         * object.cc (Relobj::output_section_address): Remove.
3568         (Sized_relobj::Sized_relobj): Initialize new fields.
3569         (Sized_relobj::include_section_group): Cast find_kept_object to
3570         Sized_relobj.
3571         (Sized_relobj::include_linkonce_section): Likewise.
3572         (Sized_relobj::do_layout): Use separate arrays for output section
3573         and output offset.
3574         (Sized_relobj::do_count_local_symbols): Change map_to_output to
3575         output_sections.
3576         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
3577         output_sections and section_offsets.
3578         (Sized_relobj::write_local_symbols): Likewise.
3579         (map_to_kept_section): Compute output address directly.
3580         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
3581         output_sections and section_offsets.
3582         (Sized_relobj::write_sections): Likewise.
3583         (Sized_relobj::relocate_sections): Likewise.
3584         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
3585         * output.h (class Output_reloc): Update declarations.  Change
3586         u2_.relobj to Sized_relobj*.
3587         (class Output_data_reloc): Change add functions to use
3588         Sized_relobj*.
3589         * output.cc (Output_reloc::Output_reloc): Change relobj to
3590         Sized_relobj*.
3591         (Output_reloc::local_section_offset): Change return type to
3592         Elf_Addr.  Use get_output_section_offset.
3593         (Output_reloc::get_address): Likewise.
3594         (Output_section::is_input_address_mapped): Don't call
3595         is_section_specially_mapped.
3596         (Output_section::output_offset): Likewise.
3597         (Output_section::output_address): Likewise.
3598         (Output_section::starting_output_address): Likewise.
3599         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
3600         parameter to Sized_relobj*.
3601         (Copy_relocs::need_copy_reloc): Likewise.
3602         (Copy_relocs::save): Likewise.
3603         * copy-relocs.h (class Copy_relocs): Update declarations.
3604         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
3605         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
3606         * target-reloc.h (relocate_for_relocatable): Change
3607         offset_in_output_section type to Elf_Addr.  Change code that uses
3608         it as well.
3609         * layout.cc (Layout::layout): Always set *off.
3610         * mapfile.cc (Mapfile::print_input_section): Use
3611         output_section_offset.
3612         * i386.cc (Target_i386::copy_reloc): Change object parameter to
3613         Sized_relobj*.
3614         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
3615         * sparc.cc (Target_sparc::copy_reloc): Likewise.
3616         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
3617
3618 2008-07-03  Ian Lance Taylor  <iant@google.com>
3619
3620         * layout.cc (Layout::include_section): Do not discard unrecognized
3621         SHT_STRTAB sections.
3622
3623 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
3624
3625         * script.cc (Lex::can_continue_name): Make '?' allowable in
3626         version-script names.
3627         * testsuite/version_script.map: Change glob pattern to use '?'
3628
3629 2008-06-30  Manish Singh  <yosh@gimp.org>
3630
3631         PR 6585
3632         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
3633         Correct typo.
3634
3635 2008-06-30  Ian Lance Taylor  <iant@google.com>
3636
3637         PR 6660
3638         PR 6682
3639         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
3640         versions]: Don't try to read the value in the contents, since we
3641         don't use it.  Use the template endianness when writing.
3642
3643 2008-06-25  Cary Coutant  <ccoutant@google.com>
3644
3645         * fileread.cc (File_read::make_view): Assert on zero-length view.
3646         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
3647         symbol table when there are no symbols to read.
3648
3649 2008-06-23  Craig Silverstein  <csilvers@google.com>
3650
3651         * version.cc (version_string): Bump to 1.7
3652
3653 2008-06-18  Craig Silverstein  <csilvers@google.com>
3654
3655         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
3656         constant 0xFFFF to type Valtype.
3657         (Powerpc_relocate_functions::rel16_ha): Likewise.
3658
3659 2008-06-17  Ian Lance Taylor  <iant@google.com>
3660
3661         * output.h (Output_section::Input_section): Initialize p2align_ to
3662         zero for Output_section_data constructors.
3663         (Output_section::Input_section::addralign): If not an input
3664         section, return the alignment of the Output_section_data.
3665         * testsuite/copy_test.cc: New file.
3666         * testsuite/copy_test_1.cc: New file.
3667         * testsuite/copy_test_2.cc: New file.
3668         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
3669         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
3670         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
3671         (copy_test_1_pic.o, copy_test_1.so): New targets.
3672         (copy_test_2_pic.o, copy_test_2.so): New targets.
3673         * testsuite/Makefile.in: Rebuild.
3674
3675         * script-sections.cc (Script_sections::place_orphan): Initialize
3676         local variable exact.
3677
3678 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
3679
3680         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
3681
3682 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
3683             David S. Miller  <davem@davemloft.net>
3684
3685         * powerpc.cc: New file.
3686         * Makefile.am (TARGETSOURCES): Add powerpc.cc
3687         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
3688         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
3689         * Makefile.in: Rebuild.
3690
3691 2008-06-09  Ian Lance Taylor  <iant@google.com>
3692
3693         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
3694         <exception>.
3695         (throwing, orig_terminate): New static variables.
3696         (terminate_handler): New static function.
3697         (t2): Set terminate handler.
3698
3699 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
3700
3701         PR 6584
3702         * binary.cc (Binary_to_elf::sized_convert): Fix .data
3703         alignment.
3704
3705 2008-05-30  Cary Coutant  <ccoutant@google.com>
3706
3707         * archive.cc (Archive::include_all_members) Correct to step
3708         over symbol table and extended name table in thin archives.
3709
3710 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
3711
3712         PR 6407
3713         * target-reloc.h (relocate_for_relocatable): Fix new_offset
3714         calculation.
3715
3716 2008-05-28  Caleb Howe  <cshowe@google.com>
3717
3718         * reduced_debug_output.cc: New file.
3719         * reduced_debug_output.h: New file.
3720         * options.h (class General_options): Add --strip-debug-non-line.
3721         * options.cc (General_options::finalize): Add strip_debug_non_line
3722         to the strip heirarchy.
3723         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
3724         fields.
3725         * layout.cc: Include "reduced_debug_output.h".
3726         (Layout::Layout): Initialize new fields.
3727         (line_only_debug_sections): New static array.
3728         (is_lines_only_debug_sections): New static inline function.
3729         (Layout::include_section): Handle --strip-debug-non-line.
3730         (Layout::make_output_section): If --strip-debug-non-line, build
3731         new output sections for .debug_abbrev and .debug_info.
3732         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
3733         gold.  Warn about possible overflow.
3734         (read_signed_LEB_128): Likewise.
3735         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
3736         (read_signed_LEB_128): Declare.
3737         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
3738         (HFILES): Add reduced_debug_output.h.
3739         * Makefile.in: Rebuild.
3740
3741 2008-05-21  Ian Lance Taylor  <iant@google.com>
3742
3743         * mapfile.cc: New file.
3744         * mapfile.h: New file.
3745         * options.h (class General_options): Add -M/--print-map and -Map.
3746         * options.cc (General_options::finalize): Make -M equivalent to
3747         -Map -.
3748         * main.cc: Include <cstdio> and "mapfile.h".
3749         (main): Open mapfile if requested.
3750         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
3751         constructor.  Change caller.
3752         (queue_initial_tasks): Add mapfile parameter.  Change caller.
3753         (queue_middle_tasks): Likewise.
3754         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
3755         declarations.
3756         * archive.cc: Include "mapfile.h".
3757         (Archive::add_symbols): Add mapfile parameter.  Change all
3758         callers.  Pass mapfile, symbol, and reason to include_member.
3759         (Archive::include_all_members): Add mapfile parameter.  Change all
3760         callers.
3761         (Archive::include_member): Add mapfile, sym, and why parameters.
3762         Change all callers.  Report inclusion to map file.
3763         * archive.h: Include "fileread.h".
3764         (class Archive): Update declarations.
3765         (Archive::file): New const method.
3766         (class Add_archive_symbols): Add mapfile_ field.  Update
3767         constructor.  Change all callers.
3768         * readsyms.h (class Read_symbols): Likewise.
3769         (class Finish_group): Likewise.
3770         (class Read_script): Likewise.
3771         * common.cc: Include "mapfile.h".
3772         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
3773         all callers.
3774         (Symbol_table::do_allocate_commons): Likewise.
3775         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
3776         symbol allocation to mapfile.
3777         * common.h (class Allocate_commons_task): Add mapfile_ field.
3778         Update constructor.  Change all callers.
3779         * symtab.h (class Symbol_table): Update declarations.
3780         * layout.cc: Include "mapfile.h".
3781         (Layout_task_runner::run): Print information to mapfile.
3782         (Layout::create_gold_note): Change Output_data_fixed_space to
3783         Output_data_zero_fill.
3784         (Layout::create_build_id): Likewise.
3785         (Layout::print_to_mapfile): New function.
3786         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
3787         constructor.  Change caller.
3788         (class Layout): Declare print_to_mapfile.
3789         * output.cc (Output_section::Input_section::print_to_mapfile): New
3790         function.
3791         (Output_section::add_input_section): If producing a map, always
3792         add to input_sections_ list.
3793         (Output_section::do_print_to_mapfile): New function.
3794         (Output_segment::print_sections_to_mapfile): New function.
3795         (Output_segment::print_section_list_to_mapfile): New function.
3796         * output.h: Include "mapfile.h".
3797         (Output_data::print_to_mapfile): New function.
3798         (Output_data::do_print_to_mapfile): New virtual function.
3799         (Output_segment_headers::do_print_to_mapfile): New function.
3800         (Output_file_header::do_print_to_mapfile): New function.
3801         (Output_data_const::do_print_to_mapfile): New function.
3802         (class Output_data_const_buffer): Add map_name_ field.  Update
3803         constructor.  Change all callers.  Add do_print_to_mapfile
3804         function.
3805         (class Output_data_fixed_space): Likewise.
3806         (class Output_data_space): Likewise.
3807         (class Output_data_zero_fill): New class.
3808         (Output_data_strtab::do_print_to_mapfile): New function.
3809         (Output_data_reloc_base::do_print_to_mapfile): New function.
3810         (Output_relocatable_relocs::do_print_to_mapfile): New function.
3811         (Output_data_group::do_print_to_mapfile): New function.
3812         (Output_data_got::do_print_to_mapfile): New function.
3813         (Output_data_dynamic::do_print_to_mapfile): New function.
3814         (Output_symtab_xindex::do_print_to_mapfile): New function.
3815         (class Output_section): Declare do_print_to_mapflie.  Declare
3816         print_to_mapfile in Input_section.
3817         (class Output_segment): Declare new functions.
3818         * object.h (Sized_relobj::symbol_count): New function.
3819         * script-sections.cc
3820         (Output_section_element_dot_assignment::set_section_addresses):
3821         Change Output_data_fixed_space to Output_data_zero_fill.
3822         (Output_data_expression::do_print_to_mapfile): New function.
3823         * script.cc (read_input_script): Add mapfile parameter.  Change
3824         all callers.
3825         * script.h (read_input_script): Update declaration.
3826         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
3827         (Eh_frame::do_print_to_mapfile): New function.
3828         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
3829         (Output_merge_string::do_print_to_mapfile): New function.
3830         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
3831         function.
3832         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
3833         function.
3834         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
3835         function.
3836         * Makefile.am (CCFILES): Add mapfile.cc.
3837         (HFILES): Add mapfile.h.
3838         * Makefile.in: Rebuild.
3839
3840 2008-05-19  Ian Lance Taylor  <iant@google.com>
3841
3842         * options.h (class General_options): Add -z relro.
3843         * layout.cc (Layout::Layout): Initialize relro_segment_.
3844         (Layout::add_output_section_data): Return the output section.
3845         (Layout::make_output_section): Rcognize relro sections and mark
3846         them appropriately.
3847         (Layout::attach_allocated_section_to_segment): Put relro sections
3848         in a PT_GNU_RELRO segment.
3849         (Layout::create_initial_dynamic_sections): Mark the .dynamic
3850         section as relro.
3851         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
3852         PT_TLS segments.
3853         (Layout::linkonce_mapping): Map d.rel.ro.local to
3854         .data.rel.ro.local.
3855         (Layout::output_section_name): Us .data.rel.ro.local for any
3856         section which begins with that.
3857         * layout.h (class Layout): Update add_output_section_data
3858         declaration.  Add relro_segment_ field.
3859         * output.cc (Output_section::Output_section): Initialize is_relro_
3860         and is_relro_local_ fields.
3861         (Output_segment::add_output_section): Group relro sections.
3862         (Output_segment::is_first_section_relro): New function.
3863         (Output_segment::maximum_alignment): If there is a relro section,
3864         align the segment to the common page size.
3865         (Output_segment::set_section_addresses): Track whether we are
3866         looking at relro sections.  If the last section is a relro
3867         section, align to the common page size.
3868         (Output_segment::set_section_list_addresses): Add in_relro
3869         parameter.  Change all callers.  Align to the page size when
3870         moving from relro to non-relro section.
3871         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
3872         segment.
3873         * output.h (class Output_section): Add is_relro_ and
3874         is_relro_local_ fields.
3875         (Output_section::is_relro): New function.
3876         (Output_section::set_is_relro): New function.
3877         (Output_section::is_relro_local): New function.
3878         (Output_section::set_is_relro_local): New function.
3879         (class Output_segment): Update declarations.
3880         * i386.cc (Target_i386::got_section): Mark .got section as relro.
3881         * sparc.cc (Target_sparc::got_section): Likewise.
3882         * x86_64.cc (Target_x86_64::got_section): Likewise.
3883         * testsuite/relro_test_main.cc: New file.
3884         * testsuite/relro_test.cc: New file.
3885         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
3886         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
3887         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
3888         (relro_test.so, relro_test_pic.o): New targets.
3889         * testsuite/Makefile.in: Rebuild.
3890
3891 2008-05-16  Ian Lance Taylor  <iant@google.com>
3892
3893         * output.cc (Output_segment::add_output_section): Remove front
3894         parameter.
3895         * output.h (class Output_segment): Remove
3896         add_initial_output_section and overloaded add_output_section.
3897         Update declaration of remaining add_output_section.
3898         * layout.cc (Layout::create_interp): Call add_output_section
3899         rather than add_initial_output_section.
3900         (Layout::finish_dynamic_section): Likewise.
3901
3902         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
3903         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
3904         know the dynamic type.
3905         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
3906         field.  Initialize it in constructor.
3907         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
3908         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
3909         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
3910         reloc.
3911
3912         * output.cc (Output_reloc::get_address): Change return type to
3913         Elf_Addr.
3914         * output.h (class Output_reloc): Update get_address declaration.
3915         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
3916         for section addresses.
3917
3918 2008-05-09  Ian Lance Taylor  <iant@google.com>
3919
3920         PR 6493
3921         * gold.cc (gold_nomem): Use return value of write.
3922
3923 2008-05-08  Ian Lance Taylor  <iant@google.com>
3924
3925         * symtab.c (Symbol::init_base_output_data): Add version
3926         parameter.  Change all callers.
3927         (Symbol::init_base_output_segment): Likewise.
3928         (Symbol::init_base_constant): Likewise.
3929         (Symbol::init_base_undefined): Likewise.
3930         (Sized_symbol::init_output_data): Likewise.
3931         (Sized_symbol::init_output_segment): Likewise.
3932         (Sized_symbol::init_constant): Likewise.
3933         (Sized_symbol::init_undefined): Likewise.
3934         (Symbol_table::do_define_in_output_data): If the new symbol has a
3935         version, mark it as the default.
3936         (Symbol_table::do_define_in_output_segment): Likewise.
3937         (Symbol_table::do_define_as_constant): Likewise.
3938         * symtab.h (class Symbol): Update declarations.
3939         (class Sized_symbol): Likewise.
3940         * resolve.cc (Symbol::override_version): New function.
3941         (Symbol::override_base): Call override_version.
3942         (Symbol::override_base_with_special): Likewise.
3943         * testsuite/ver_script_8.script: New file.
3944         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
3945         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
3946         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
3947         (ver_test_8_1.so, ver_test_8_2.so): New targets.
3948
3949 2008-05-06  Ian Lance Taylor  <iant@google.com>
3950
3951         PR 6049
3952         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
3953         functions.
3954         (class General_options): Remove existing --undefined, and add
3955         --no-undefined instead.  Add new --undefined as synonym for -u.
3956         * archive.cc (Archive::add_symbols): Check whether symbol was
3957         named with -u.
3958         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
3959         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
3960         all uses.  Add IS_UNDEFINED.  Update declarations to split
3961         different versions of init_base.  Declare init_base_undefined.
3962         (Symbol::is_defined): Handle IS_UNDEFINED.
3963         (Symbol::is_undefined): Likewise.
3964         (Symbol::is_weak_undefined): Call is_undefined.
3965         (Symbol::is_absolute): Handle IS_CONSTANT.
3966         (class Sized_symbol): Update declarations to split different
3967         versions of init.  Declare init_undefined.
3968         (class Symbol_table): Declare new functions.
3969         * symtab.cc (Symbol::init_base_object): Rename from init_base.
3970         Change all callers.
3971         (Symbol::init_base_output_data): Likewise.
3972         (Symbol::init_base_output_segment): Likewise.
3973         (Symbol::init_base_constant): Likewise.
3974         (Symbol::init_base_undefined): New function.
3975         (Sized_symbol::init_object): Rename from init.  Change all
3976         callers.
3977         (Sized_symbol::init_output_data): Likewise.
3978         (Sized_symbol::init_output_segment): Likewise.
3979         (Sized_symbol::init_constant): Likewise.
3980         (Sized_symbol::init_undefined): New function.
3981         (Symbol_table::add_undefined_symbols_from_command_line): New
3982         function.
3983         (Symbol_table::do_add_undefined_symbols_from_command_line): New
3984         function.
3985         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
3986         (Symbol::output_section): Likewise.
3987         (Symbol::set_output_section): Likewise.
3988         (Symbol_table::sized_finalize_symbol): Likewise.
3989         (Symbol_table::sized_write_globals): Likewise.
3990         * resolve.cc (Symbol_table::should_override): Likewise.
3991         (Symbol::override_base_with_special): Likewise.
3992
3993         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
3994         symbol, change it to have default visibility.
3995         * testsuite/protected_1.cc: New file.
3996         * testsuite/protected_2.cc: New file.
3997         * testsuite/protected_3.cc: New file.
3998         * testsuite/protected_main_1.cc: New file.
3999         * testsuite/protected_main_2.cc: New file.
4000         * testsuite/protected_main_3.cc: New file.
4001         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
4002         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
4003         (protected_1_LDFLAGS, protected_1_LDADD): Define.
4004         (protected_1.so): New target.
4005         (protected_1_pic.o, protected_2_pic.o): New targets.
4006         (protected_3_pic.o): New target.
4007         (check_PROGRAMS): Add protected_2.
4008         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
4009         (protected_2_LDFLAGS, protected_2_LDADD): Define.
4010         * testsuite/Makefile.in: Rebuild.
4011
4012         * options.h (DEFINE_var): Add set_user_set_##varname__.
4013         (DEFINE_bool_alias): New macro.
4014         (class General_options): Define -Bstatic using DEFINE_bool_alias
4015         rather than DEFINE_special.  Add --undefined as an alias for -z
4016         defs.
4017         * options.cc (General_options::parse_Bstatic): Remove.
4018
4019         * options.h (class General_options): Add --fatal-warnings.
4020         * main.cc (main): Implement --fatal-warnings.
4021         * errors.h (Errors::warning_count): New function.
4022
4023         * options.h (class General_options): Add -Bsymbolic-functions.
4024         * symtab.h (Symbol::is_preemptible): Check for
4025         -Bsymbolic-functions.
4026
4027 2008-05-05  Ian Lance Taylor  <iant@google.com>
4028
4029         * options.h (DEFINE_bool): For DASH_Z, create the negative option
4030         as noVARNAME rather than no-VARNAME.
4031         (class General_options): Add option -z combreloc.
4032         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
4033         get_address.
4034         (Output_reloc::sort_before) [SHT_REL]: New function.
4035         (Output_reloc::sort_before) [SHT_RELA]: New function.
4036         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
4037         Sort_relocs_comparison.
4038         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
4039         parameter.  Change all callers.
4040         (Output_data_reloc::Output_data_reloc) [both versions]: Add
4041         sort_relocs parameter.  Change all callers.
4042         * output.cc (Output_reloc::get_address): New function, broken out
4043         of write_rel.
4044         (Output_reloc::write_rel): Call it.
4045         (Output_reloc::compare): New function.
4046         (Output_data_reloc_base::do_write): Optionally sort relocs.
4047
4048         * configure.ac: If targ_extra_obj is set, link it in.
4049         * configure.tgt: Initialize all variables.
4050         (x86_64*): Set targ_extra_obj and targ_extra_size.
4051         * configure: Rebuild.
4052
4053         * object.cc (Sized_relobj::include_section_group): Adjust section
4054         indexes read from group data.  Build vector to pass to
4055         layout_group.
4056         * layout.cc (Layout::layout_group): Add flags and shndxes
4057         parameters.  Remove contents parameter.  Change caller.  Update
4058         explicit instantiations.
4059         * layout.h (class Layout): Update layout_group declaration.
4060         * output.cc (Output_data_group::Output_data_group): Add flags and
4061         input_shndxes parameters.  Remove contents parameter.  Change
4062         caller.
4063         (Output_data_group::do_write): Change input_sections_ to
4064         input_shndxes_.
4065         * output.h (class Output_data_group): Update constructor
4066         declaration.  Rename input_sections_ to input_shndxes_.
4067         * testsuite/many_sections_test.cc: Add template.
4068
4069 2008-04-30  Cary Coutant  <ccoutant@google.com>
4070
4071         * target-reloc.h (relocate_section): Fix dead-pointer bug.
4072
4073         * layout.cc (Layout::include_section): Refactored check for debug
4074         info section.
4075         (Layout::add_comdat): Add new parameters.  Change type
4076         of signature parameter.  Add object and shndx to signatures table.
4077         (Layout::find_kept_object): New function.
4078         * layout.h: Include <cstring>.
4079         (Layout::is_debug_info_section): New function.
4080         (Layout::add_comdat): Add new parameters.
4081         (Layout::find_kept_object): New function.
4082         (Layout::Kept_section): New struct.
4083         (Layout::Signatures): Change type of map range.
4084         * object.cc (Relobj::output_section_address): New function.
4085         (Sized_relobj::include_section_group): Add new parameters.  Change
4086         calls to Layout::add_comdat.  Change to build table of kept comdat
4087         groups and table mapping discarded sections to kept sections.
4088         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
4089         (Sized_relobj::do_layout): Change calls to include_section_group and
4090         include_linkonce_section.
4091         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
4092         value to zero when section is discarded.
4093         (Sized_relobj::map_to_kept_section): New function.
4094         * object.h (Relobj::output_section_address): New function.
4095         (Relobj::Comdat_group): New type.
4096         (Relobj::find_comdat_group): New function.
4097         (Relobj::Comdat_group_table): New type.
4098         (Relobj::Kept_comdat_section): New type.
4099         (Relobj::Kept_comdat_section_table): New type.
4100         (Relobj::add_comdat_group): New function.
4101         (Relobj::set_kept_comdat_section): New function.
4102         (Relobj::get_kept_comdat_section): New function.
4103         (Relobj::comdat_groups_): New field.
4104         (Relobj::kept_comdat_sections_): New field.
4105         (Symbol_value::input_value): Update comment.
4106         (Sized_relobj::map_to_kept_section) New function.
4107         (Sized_relobj::include_linkonce_section): Add new parameter.
4108         * target-reloc.h (Comdat_behavior): New type.
4109         (get_comdat_behavior): New function.
4110         (relocate_section): Add code to map a discarded section to the
4111         corresponding kept section when applying a relocation.
4112
4113 2008-04-30  Craig Silverstein  <csilvers@google.com>
4114
4115         * dwarf_reader.cc (next_generation_count): New static var.
4116         (Addr2line_cache_entry): New struct.
4117         (addr2line_cache): New static var.
4118         (Dwarf_line_info::one_addr2line): Added caching.
4119         (Dwarf_line_info::clear_addr2line_cache): New function.
4120         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
4121         cache-size parameter.
4122         (Dwarf_line_info::one_addr2line_cache): New function.
4123         * symtab.cc (Symbol_table::detect_odr_violations): Pass
4124         new cache-size argument to one_addr2line(), and clear cache.
4125
4126 2008-04-28  Cary Coutant  <ccoutant@google.com>
4127
4128         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
4129         R_386_PC8 relocations.
4130
4131 2008-04-23  Ian Lance Taylor  <iant@google.com>
4132
4133         * object.cc (Sized_relobj::include_section_group): Check for
4134         invalid section group.
4135
4136         * object.cc (make_elf_object): Correct test for 64-bit ELF file
4137         header size.
4138
4139         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
4140         than read for file header.
4141         * archive.cc (Archive::include_member): Likewise.
4142
4143 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
4144
4145         * aclocal.m4: Regenerate.
4146         * configure: Regenerate.
4147
4148 2008-04-19  Ian Lance Taylor  <iant@google.com>
4149
4150         * version.cc (version_string): Bump to 1.6.
4151
4152         * testsuite/Makefile.am (many_sections_r_test): New target.
4153         (many_sections_r_test_SOURCES): Remove.
4154         (many_sections_r_test_DEPENDENCIES): Remove.
4155         (many_sections_r_test_LDFLAGS): Remove.
4156         (many_sections_r_test_LDADD): Remove.
4157
4158         * object.cc (Sized_relobj::do_add_symbols): Always pass
4159         local_symbol_count_ to add_from_relobj.
4160
4161         * testsuite/Makefile.am (many_sections_check.h): Only check one in
4162         every thousand variables.
4163         * testsuite/Makefile.in: Rebuild.
4164
4165         * object.cc (Xindex::initialize_symtab_xindex): New function.
4166         (Xindex::read_symtab_xindex): New function.
4167         (Xindex::sym_xindex_to_shndx): New function.
4168         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
4169         available.
4170         (Sized_relobj::do_initialize_xindex): New function.
4171         (Sized_relobj::do_read_symbols): Adjust section links.
4172         (Sized_relobj::symbol_section_and_value): Add is_ordinary
4173         parameter.  Change all callers.
4174         (Sized_relobj::include_section_group): Adjust section links and
4175         symbol section indexes.
4176         (Sized_relobj::do_layout): Adjust section links.
4177         (Sized_relobj::do_count_local_symbols): Adjust section links and
4178         symbol section indexes.
4179         (Sized_relobj::do_finalize_local_symbols): Distinguish between
4180         ordinary and special symbols.
4181         (Sized_relobj::write_local_symbols): Add symtab_xindex and
4182         dynsym_xindex parameters.  Change all callers.  Adjust section
4183         links.  Use SHN_XINDEX when needed.
4184         (Sized_relobj::get_symbol_location_info): Adjust section links.
4185         Don't get fooled by special symbols.
4186         * object.h (class Xindex): Define.
4187         (class Object): Add xindex_ parameter.  Declare virtual functoin
4188         do_initialize_xindex.
4189         (Object::adjust_sym_shndx): New function.
4190         (Object::set_xindex): New protected function.
4191         (class Symbol_value): Add is_ordinary_shndx_ field.
4192         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
4193         (Symbol_value::value): Assert ordinary section.
4194         (Symbol_value::initialize_input_to_output_map): Likewise.
4195         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
4196         Change all callers.
4197         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
4198         all callers.
4199         (class Sized_relobj): Update declarations.
4200         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
4201         parameter.  Change all callers.
4202         (Sized_relobj::adjust_shndx): New function.
4203         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
4204         field.
4205         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
4206         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
4207         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
4208         (Sized_dynobj::read_dynsym_section): Adjust section links.
4209         (Sized_dynobj::read_dynamic): Likewise.
4210         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
4211         section links.
4212         (Sized_dynobj::do_initialize_xindex): New function.
4213         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
4214         do_initialize_xindex.
4215         (Sized_dynobj::adjust_shndx): New function.
4216         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
4217         dynsym_xindex_ fields.
4218         (Layout::finalize): Add a call to set_section_indexes before
4219         creating the symtab sections.
4220         (Layout::set_section_indexes): Don't do anything if the section
4221         already has a section index.
4222         (Layout::create_symtab_sections): Add shnum parameter.  Change
4223         caller.  Create .symtab_shndx section if needed.
4224         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
4225         caller.
4226         (Layout::allocated_output_section_count): New function.
4227         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
4228         needed.
4229         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
4230         fields.  Update declarations.
4231         (Layout::symtab_xindex): New function.
4232         (Layout::dynsym_xindex): New function.
4233         (class Write_symbols_task): Add layout_ field.
4234         (Write_symbols_task::Write_symbols_task): Add layout parameter.
4235         Change caller.
4236         * output.cc (Output_section_headers::Output_section_headers): Add
4237         shstrtab_section parameter.  Change all callers.
4238         (Output_section_headers::do_sized_write): Store overflow values
4239         for section count and section string table section index in
4240         section header zero.
4241         (Output_file_header::do_sized_write): Check for overflow of
4242         section count and section string table section index.
4243         (Output_symtab_xindex::do_write): New function.
4244         (Output_symtab_xindex::endian_do_write): New function.
4245         * output.h (class Output_section_headers): Add shstrtab_section_.
4246         Update declarations.
4247         (class Output_symtab_xindex): Define.
4248         (Output_section::has_out_shndx): New function.
4249         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
4250         field.
4251         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
4252         Change all callers.
4253         (Sized_symbol::init): Likewise.
4254         (Symbol::output_section): Check for ordinary symbol.
4255         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
4256         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
4257         callers.
4258         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
4259         Change all callers.  Simplify handling of symbols from sections
4260         not included in the link.
4261         (Symbol_table::add_from_dynobj): Handle ordinary symbol
4262         distinction.
4263         (Weak_alias_sorter::operator()): Assert that symbols are
4264         ordinary.
4265         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
4266         distinction.
4267         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
4268         parameters.  Change all callers.
4269         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
4270         symbol distinction.  Use SHN_XINDEX when needed.
4271         (Symbol_table::write_section_symbol): Add symtab_xindex
4272         parameter.  Change all callers.
4273         (Symbol_table::sized_write_section_symbol): Likewise.  Use
4274         SHN_XINDEX when needed.
4275         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
4276         declarations.
4277         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
4278         (Symbol::is_defined): Check is_ordinary.
4279         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
4280         (Symbol::is_absolute, Symbol::is_common): Likewise.
4281         (class Sized_symbol): Update declarations.
4282         (class Symbol_table): Update declarations.
4283         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
4284         parameters.  Change all callers.
4285         (Sized_symbol::override): Likewise.
4286         (Symbol_table::override): Likewise.
4287         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
4288         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
4289         is_ordinary, and orig_st_shndx parameters.  Change all callers.
4290         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
4291         to be in an ordinary section.
4292         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
4293         object and is_ordinary parameters.  Change all callers.
4294         (Sized_dwarf_line_info::read_relocs): Add object parameter.
4295         Change all callers.  Don't add undefined or non-ordinary symbols
4296         to reloc_map_.
4297         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
4298         Change all callers.
4299         * dwarf_reader.h (class Sized_dwarf_line_info): Update
4300         declarations.
4301         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
4302         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
4303         (Sized_relobj::relocate_sections): Likewise.
4304         * target-reloc.h (scan_relocs): Adjust section symbol index.
4305         (scan_relocatable_relocs): Likewise.
4306         * i386.cc (Scan::local): Check for ordinary symbols.
4307         * sparc.cc (Scan::local): Likewise.
4308         * x86_64.cc (Scan::local): Likewise.
4309         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
4310         to symbol_section_and_value.
4311         * testsuite/many_sections_test.cc: New file.
4312         * testsuite/Makefile.am (BUILT_SOURCES): Define.
4313         (check_PROGRAMS): Add many_sections_test.
4314         (many_sections_test_SOURCES): Define.
4315         (many_sections_test_DEPENDENCIES): Define.
4316         (many_sections_test_LDFLAGS): Define.
4317         (BUILT_SOURCES): Add many_sections_define.h.
4318         (many_sections_define.h): New target.
4319         (BUILT_SOURCES): Add many_sections_check.h.
4320         (many_sections_check.h): New target.
4321         (check_PROGRAMS): Add many_sections_r_test.
4322         (many_sections_r_test_SOURCES): Define.
4323         (many_sections_r_test_DEPENDENCIES): Define.
4324         (many_sections_r_test_LDFLAGS): Define.
4325         (many_sections_r_test_LDADD): Define.
4326         (many_sections_r_test.o): New target.
4327         * testsuite/Makefile.in: Rebuild.
4328
4329 2008-04-17  Cary Coutant  <ccoutant@google.com>
4330
4331         * errors.cc (Errors::info): New function.
4332         (gold_info): New function.
4333         * errors.h (Errors::info): New function.
4334         * gold.h (gold_info): New function.
4335         * object.cc (Input_objects::add_object): Print trace output.
4336         * options.cc (options::parse_set): New function.
4337         (General_options::parse_wrap): Deleted.
4338         (General_options::General_options): Deleted initializer.
4339         * options.h (options::String_set): New typedef.
4340         (options::parse_set): New function.
4341         (DEFINE_set): New macro.
4342         (General_options::wrap): Changed to use DEFINE_set. Changed
4343         callers of any_wrap_symbols and is_wrap_symbol.
4344         (General_options::trace, General_options::trace_symbol):
4345         New options.
4346         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
4347         (General_options::wrap_symbols_): Deleted.
4348         * symtab.cc (Symbol_table::add_from_object): Print trace output.
4349
4350 2008-04-17  David S. Miller  <davem@davemloft.net>
4351
4352         * options.cc (General_options::parse_V): New function.
4353         * options.h: Add entries for -V and -Qy.
4354
4355 2008-04-17  Ian Lance Taylor  <iant@google.com>
4356
4357         * common.cc (Symbol_table::allocate_commons): Remove options
4358         parameter.  Change caller.
4359         (Symbol_table::do_allocate_commons): Remove options parameter.
4360         Change caller.  Just call do_allocate_commons_list twice.
4361         (Symbol_table::do_allocate_commons_list): New function, broken out
4362         of do_allocate_commons.
4363         * common.h (class Allocate_commons_task): Remove options_ field.
4364         Update constructor.
4365         * symtab.cc (Symbol_table::Symbol_table): Initialize
4366         tls_commons_.
4367         (Symbol_table::add_from_object): Put TLS common symbols on
4368         tls_commons_ list.
4369         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
4370         which are IN_OUTPUT_DATA.
4371         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
4372         allocate_commons and do_allocate_commons declarations.  Declare
4373         do_allocate_commons_list.
4374         * gold.cc (queue_middle_tasks): Update creation of
4375         Allocate_commons_task to not pass options.
4376         * testsuite/Makefile.am (INCLUDES): Add -I.. .
4377         (TLS_TEST_C_FLAGS): New variable.
4378         (tls_test_c_pic.o): New target.
4379         (tls_test_shared.so): Link in tls_test_c_pic.o.
4380         (tls_test_c_pic_ie.o): New target.
4381         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
4382         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
4383         (tls_test_c.o): New target.
4384         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
4385         (tls_pic_test_LDADD): Likewise.
4386         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
4387         (tls_shared_gd_to_ie_test_LDADD): Likewise.
4388         (tls_test_c_gnu2.o): New target.
4389         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
4390         tls_test_c_gnu2.o.
4391         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
4392         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
4393         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
4394         * testsuite/tls_test.cc: Include "config.h".
4395         (t_last): Call t11_last.
4396         * testsuite/tls_test.h (t11, t11_last): Declare.
4397         * testsuite/tls_test_c.c: New file.
4398         * testsuite/tls_test_main.cc (thread_routine): Call t11.
4399         * configure.ac: Check for OpenMP support.
4400         * configure, config.in, Makefile.in: Rebuild.
4401         * testsuite/Makefile.in: Rebuild.
4402
4403 2008-04-16  Cary Coutant  <ccoutant@google.com>
4404
4405         * i386.cc (Target_i386::define_tls_base_symbol): New function.
4406         (Target_i386::tls_base_symbol_defined_): New field.
4407         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
4408         (Target_i386::Scan::global): Likewise.
4409         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
4410         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
4411         (Target_x86_64::tls_base_symbol_defined_): New field.
4412         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
4413         (Target_x86_64::Scan::global): Likewise.
4414
4415 2008-04-16  Cary Coutant  <ccoutant@google.com>
4416
4417         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
4418         (Symbol::needs_plt_entry): Allow weak undefined symbols.
4419         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
4420         building shared libraries.
4421         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
4422         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
4423         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
4424         * testsuite/Makefile.in: Rebuild.
4425         * testsuite/weak_undef.h: New file.
4426         * testsuite/weak_undef_file1.cc: Add extra test cases.
4427         * testsuite/weak_undef_file2.cc: Likewise.
4428         * testsuite/weak_undef_test.cc: Likewise.
4429
4430 2008-04-16  David S. Miller  <davem@davemloft.net>
4431
4432         * sparc.cc (Target_sparc::Scan): Change from struct to class.
4433         Add issued_non_pic_error_ field.  Declare check_non_pic.
4434         (Target_sparc::Scan::check_non_pic): New function.
4435         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
4436         (Target_sparc::Scan::global): Likewise.
4437
4438         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
4439         * configure: Rebuild.
4440
4441         * options.h (DEFINE_enable): New macro.
4442         (new_dtags): New enable option.
4443         (initfirst, interpose, loadfltr, nodefaultlib,
4444         nodelete, nodlopen, nodump): New -z options.
4445         * layout.cc (Layout:finish_dynamic_section): If new
4446         dtags enabled, emit DT_RUNPATH.  Also, emit a
4447         DT_FLAGS_1 containing any specified -z flags.
4448
4449 2008-04-16  Ian Lance Taylor  <iant@google.com>
4450
4451         * copy-relocs.cc: New file.
4452         * copy-relocs.h: New file.
4453         * reloc.cc: Remove Copy_relocs code.
4454         * reloc.h: Likewise.
4455         * reloc-types.h (struct Reloc_types) [both versions]: Add
4456         get_reloc_addend_noerror.
4457         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
4458         variants of add_global which take an addend which must be zero.
4459         * i386.cc: Include "copy-relocs.h".
4460         (class Target_i386): Change type of copy_relocs_ to variable,
4461         update initializer.
4462         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
4463         Change all callers.
4464         (Target_i386::do_finalize_sections): Change handling of
4465         copy_relocs_.
4466         * sparc.cc: Include "copy-relocs.h".
4467         (class Target_sparc): Change type of copy_relocs_ to variable,
4468         update initializer.
4469         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
4470         Change all callers.
4471         (Target_sparc::do_finalize_sections): Change handling of
4472         copy_relocs_.
4473         * x86_64.cc: Include "copy-relocs.h".
4474         (class Target_x86_64): Change type of copy_relocs_ to variable,
4475         update initializer.
4476         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
4477         class.  Change all callers.
4478         (Target_x86_64::do_finalize_sections): Change handling of
4479         copy_relocs_.
4480         * Makefile.am (CCFILES): Add copy-relocs.cc.
4481         (HFILES): Add copy-relocs.h.
4482
4483         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
4484
4485         * testsuite/script_test_4.sh: Permit leading zeroes.
4486
4487 2008-04-15  Ian Lance Taylor  <iant@google.com>
4488
4489         * script-sections.cc (Script_sections::create_segments): Use
4490         header_size_adjustment even when there is enough room for the
4491         headers.
4492         * testsuite/script_test_4.sh: New file.
4493         * testsuite/script_test_4.t: New file.
4494         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
4495         (check_DATA): Add script_test_4.stdout.
4496         (MOSTLYCLEANFILES): Likewise.
4497         (script_test_4): New target.
4498         (script_test_4.stdout): New target.
4499         * testsuite/Makefile.in: Rebuild.
4500
4501         * sparc.cc: Add definitions for Output_data_plt_sparc class
4502         constants.
4503
4504 2008-04-14  David S. Miller  <davem@davemloft.net>
4505
4506         * sparc.cc: New file.
4507         * Makefile.am (TARGETSOURCES): Add sparc.cc
4508         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
4509         * configure.tgt: Document targ_extra_size and
4510         targ_extra_big_endian.  Add entries for sparc-* and
4511         sparc64-*.
4512         * configure.ac: Handle targ_extra_size and
4513         targ_extra_big_endian.
4514         * Makefile.in: Rebuild.
4515         * configure: Likewise.
4516         * po/POTFILES.in: Likewise.
4517         * po/gold.pot: Likewise.
4518
4519 2008-04-14  Ian Lance Taylor  <iant@google.com>
4520
4521         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
4522         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
4523         in the name/type/flags to section mapping.  Don't call
4524         allocate_output_section.
4525         (Layout::choose_output_section): Change parameter from adjust_name
4526         to is_input_section.  Don't permit input sections after sections
4527         are attached to segments.  Don't call allocate_output_section.
4528         (Layout::layout_eh_frame): Call update_flags_for_input_section,
4529         not write_enable_output_section.
4530         (Layout::make_output_section): Don't push to
4531         unattached_section_list_ nor call attach_to_segment.  Call
4532         attach_section_to_segment if sections are attached.
4533         (Layout::attach_sections_to_segments): New function.
4534         (Layout::attach_section_to_segment): New function.
4535         (Layout::attach_allocated_section_to_segment): Rename from
4536         attach_to_segment.  Remove flags parameter.
4537         (Layout::allocate_output_section): Remove function.
4538         (Layout::write_enable_output_section): Remove function.
4539         * layout.h (class Layout): Update for above changes.  Add new
4540         field sections_are_attached_.
4541         * output.h (Output_section::update_flags_for_input_section): New
4542         function.
4543         * output.cc (Output_section::add_input_section): Call
4544         update_flags_for_input_section.
4545         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
4546
4547 2008-04-11  Cary Coutant  <ccoutant@google.com>
4548
4549         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
4550         thought unnecessary.
4551         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
4552
4553 2008-04-11  Ian Lance Taylor  <iant@google.com>
4554
4555         * output.h (class Output_section_data): Remove inline definition
4556         of set_addralign.
4557         * output.cc (Output_section_data::set_addralign): New function.
4558
4559 2008-04-11  Cary Coutant  <ccoutant@google.com>
4560
4561         Add support for TLS descriptors for i386 and x86_64.
4562         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
4563         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
4564         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
4565         GOT_TYPE_TLS_DESC.
4566         (Target_i386::got_mod_index_entry): Remove unnecessary code.
4567         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
4568         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
4569         relocations.
4570         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
4571         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
4572         Fix problem with initial-exec relocations.
4573         (Target_i386::Relocate::relocate_tls): Likewise.
4574         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
4575         relaxation.
4576         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
4577         support for section-plus-offset dynamic table entries.
4578         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
4579         (Output_data_dynamic::Dynamic_entry): Add support for
4580         section-plus-offset dynamic table entries.
4581         (Output_data_dynamic::Classification): Likewise.
4582         (Output_data_dynamic::classification_): Renamed offset_.
4583         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
4584         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
4585         (Target_x86_64::make_plt_section): New function.
4586         (Target_x86_64::reserve_tlsdesc_entries): New function.
4587         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
4588         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
4589         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
4590         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
4591         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
4592         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
4593         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
4594         add extra PLT entry for TLS descriptors.
4595         (Output_data_plt_x86_64::got_): New field.
4596         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
4597         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
4598         fields.
4599         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
4600         descriptors.
4601         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
4602         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
4603         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
4604         R_386_TLS_DESC_CALL relocations.
4605         (Target_x86_64::Scan::global): Likewise.
4606         (Target_x86_64::do_finalize_sections): Add dynamic table entries
4607         for TLS descriptors.
4608         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
4609         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
4610         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
4611         GD-to-IE relaxation.
4612         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
4613         and TLS_DESCRIPTORS.
4614         * Makefile.in: Rebuild.
4615         * configure: Rebuild.
4616         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
4617         (tls_test_shared2.so): New target.
4618         (tls_shared_gd_to_ie_test_SOURCES): New variable.
4619         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
4620         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
4621         (tls_shared_gd_to_ie_test_LDADD): New variable.
4622         (tls_shared_gnu2_gd_to_ie_test): New target.
4623         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
4624         New targets.
4625         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
4626         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
4627         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
4628         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
4629         (tls_shared_gnu2_test): New target.
4630         (tls_test_gnu2_shared.so): New target.
4631         (tls_shared_gnu2_test_SOURCES): New variable.
4632         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
4633         (tls_shared_gnu2_test_LDFLAGS): New variable.
4634         (tls_shared_gnu2_test_LDADD): New variable.
4635         * testsuite/Makefile.in: Rebuild.
4636         * testsuite/Makefile.
4637
4638 2008-04-11  Ian Lance Taylor  <iant@google.com>
4639
4640         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
4641         justsyms.t.
4642         * testsuite/Makefile.in: Rebuild.
4643
4644         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
4645         long.
4646         * testsuite/script_test_2.cc (main): Adjust test.
4647
4648 2008-04-11  David S. Miller  <davem@davemloft.net>
4649             Ian Lance Taylor  <iant@google.com>
4650
4651         * options.h (General_options): Add entries for '-Y' and
4652         '-relax'.
4653         * options.cc (General_options:finalize): If -Y was used, add those
4654         entries to the library path instead of the default "/lib" and
4655         "/usr/lib".
4656
4657 2008-04-11  David S. Miller  <davem@davemloft.net>
4658
4659         * testsuite/justsyms.t: Start at 0x100.
4660         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
4661         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
4662         long.
4663         * testsuite/script_test_2.cc: Adjust string and section length
4664         checks.
4665
4666 2008-04-09  Ian Lance Taylor  <iant@google.com>
4667
4668         PR gold/5996
4669         * script-sections.cc (Sections_element::allocate_to_segment): Add
4670         orphan parameter.
4671         (Output_section_definition::allocate_to_segment): Likewise.
4672         (Orphan_output_section::allocate_to_segment): Likewise.
4673         (Script_sections::attach_sections_using_phdrs_clause): Don't
4674         propagate non-PT_LOAD segments to orphan sections.
4675         * testsuite/Makefile.am (script_test_3.stdout): Generate using
4676         readelf rather than objdump.
4677         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
4678         .interp section and PT_INTERP segment are the same size.
4679         * testsuite/Makefile.in: Rebuild.
4680
4681         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
4682         aliases for symbols defined in the same object.
4683         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
4684         (weak_alias_test_SOURCES): New variable.
4685         (weak_alias_test_DEPENDENCIES): New variable.
4686         (weak_alias_test_LDFLAGS): New variable.
4687         (weak_alias_test_LDADD): New variable.
4688         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
4689         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
4690         (weak_alias_test_3.o): New target.
4691         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
4692         * testsuite/weak_alias_test_main.cc: New file.
4693         * testsuite/weak_alias_test_1.cc: New file.
4694         * testsuite/weak_alias_test_2.cc: New file.
4695         * testsuite/weak_alias_test_3.cc: New file.
4696
4697 2008-04-08  Ian Lance Taylor  <iant@google.com>
4698
4699         * options.h (class General_options): Add --noinhibit-exec option.
4700         * main.cc (main): Check --noinhibit-exec.
4701
4702         * options.h (class General_options): Define --wrap as a special
4703         option.  Add wrap_symbols_ field.
4704         (General_options::any_wrap_symbols): New function.
4705         (General_options::is_wrap_symbol): New function.
4706         * options.cc (General_options::parse_wrap): New function.
4707         (General_options::General_options): Initialize wrap_symbols_.
4708         * symtab.cc (Symbol_table::wrap_symbol): New function.
4709         (Symbol_table::add_from_object): Handle --wrap.
4710         * symtab.h (class Symbol_table): Declare wrap_symbol.
4711         * target.h (Target::wrap_char): New function.
4712         (Target::Target_info): Add wrap_char field.
4713         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
4714         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
4715         * testsuite/testfile.cc (Target_test::test_target_info):
4716         Likewise.
4717
4718         * errors.cc (Errors::undefined_symbol): Mention symbol version if
4719         there is one.
4720
4721         * layout.h (class Layout): Add added_eh_frame_data_ field.
4722         * layout.cc (Layout::Layout): Initialize new field.
4723         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
4724         output section until we find a section we merged successfully.
4725         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
4726         that the size be non-zero.
4727
4728         * merge.cc (Object_merge_map::get_output_offset): Remove inline
4729         qualifier.
4730
4731 2008-04-08  Craig Silverstein  <csilvers@google.com>
4732
4733         * configure.ac: Export new conditional variable HAVE_ZLIB.
4734         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
4735         on HAVE_ZLIB.
4736         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
4737         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
4738
4739 2008-04-07  Ian Lance Taylor  <iant@google.com>
4740
4741         * version.cc (version_string): Set to "1.5".
4742
4743         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
4744         Add issued_non_pic_error_ field.  Declare check_non_pic.
4745         (Target_x86_64::Scan::check_non_pic): New function.
4746         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
4747         (Target_x86_64::Scan::global): Likewise.
4748
4749         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
4750         addend parameter.  Change caller.  Handle merge sections.
4751         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
4752         Address to Addend.  Don't add in the result of
4753         local_section_offset, pass down the addend and use the returned
4754         value.
4755         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
4756         Update declarations of local_section_offset and symbol_value.
4757         * testsuite/two_file_test_1.cc (t18): New function.
4758         * testsuite/two_file_test_2.cc (f18): New function.
4759         * testsuite/two_file_test_main.cc (main): Call t18.
4760         * testsuite/two_file_test.h (t18, f18): Declare.
4761
4762         * configure.ac: Don't test for objdump, c++filt, or readelf.
4763         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
4764         conditionals.
4765         (TEST_READELF): New variable.
4766         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
4767         (check_PROGRAMS): Add two_file_strip_test.
4768         (two_file_strip_test): New target.
4769         (check_PROGRAMS): Add two_file_same_shared_strip_test.
4770         (two_file_same_shared_strip_test_SOURCES): New variable.
4771         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
4772         (two_file_same_shared_strip_test_LDFLAGS): New variable.
4773         (two_file_same_shared_strip_test_LDADD): New variable.
4774         (two_file_shared_strip.so): New target.
4775         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
4776         (ver_test_5.syms, ver_test_7.syms): Likewise.
4777         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
4778         (strip_test_3.stdout): Use TEST_OBJDUMP.
4779         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
4780
4781 2008-04-04  Cary Coutant  <ccoutant@google.com>
4782
4783         * symtab.h (Symbol::is_weak_undefined): New function.
4784         (Symbol::is_strong_undefined): New function.
4785         (Symbol::is_absolute): New function.
4786         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
4787         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
4788         absolute symbols.
4789         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
4790         (weak_undef_test): New target.
4791         * testsuite/Makefile.in: Rebuild.
4792         * testsuite/weak_undef_file1.cc: New file.
4793         * testsuite/weak_undef_file2.cc: New file.
4794         * testsuite/weak_undef_test.cc: New file.
4795
4796 2008-04-03  Craig Silverstein  <csilvers@google.com>
4797
4798         * compressed_output.h (class Output_compressed_section): Use
4799         unsigned buffer.
4800         * compressed_output.cc (zlib_compress): Use unsigned buffers,
4801         add zlib header.
4802         (zlib_compressed_suffix): Removed.
4803         (Output_compressed_section::set_final_data_size): Use unsigned
4804         buffers.
4805         * testsuite/Makefile.am (flagstest_compress_debug_sections):
4806         Fix linker invocation.
4807         (flagstest_o_specialfile_and_compress_debug_sections):
4808         Likewise.
4809         * testsuite/Makefile.in: Regenerated.
4810
4811 2008-04-02  David S. Miller  <davem@davemloft.net>
4812
4813         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
4814         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
4815
4816 2008-04-02  Craig Silverstein  <csilvers@google.com>
4817
4818         * TODO: New file.
4819
4820 2008-04-02  Ian Lance Taylor  <iant@google.com>
4821
4822         * fileread.cc (File_read::find_view): Add byteshift and vshifted
4823         parameters.  Update for new key type to views_.  Change all
4824         callers.
4825         (File_read::read): Adjust for byteshift in returned view.
4826         (File_read::add_view): New function, broken out of
4827         find_and_make_view.
4828         (File_read::make_view): New function, broken out of
4829         find_and_make_view.
4830         (File_read::find_or_make_view): Add offset and aligned
4831         parameters.  Rewrite accordingly.  Change all callers.
4832         (File_read::get_view): Add offset and aligned parameters.  Adjust
4833         for byteshift in return value.
4834         (File_read::get_lasting_view): Likewise.
4835         * fileread.h (class File_read): Update declarations.
4836         (class File_read::View): Add byteshift_ field.  Add byteshift to
4837         constructor.  Add byteshift method.
4838         * archive.h (Archive::clear_uncached_views): New function.
4839         (Archive::get_view): Add aligned parameter.  Change all callers.
4840         * object.h (Object::get_view): Add aligned parameter.  Change all
4841         callers.
4842         (Object::get_lasting_view): Likewise.
4843
4844         * fileread.cc (File_read::release): Don't call clear_views if
4845         there are multiple objects.
4846         * fileread.h (File_read::clear_uncached_views): New function.
4847         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
4848         on the archive.
4849
4850 2008-03-31  Cary Coutant  <ccoutant@google.com>
4851
4852         Add thin archive support.
4853         * archive.cc (Archive::armagt): New const.
4854         (Archive::setup): Remove task parameter and calls to unlock.
4855         (Archive::unlock_nested_archives): New function.
4856         (Archive::read_header): Add nested_off parameter. Change
4857         all callers.
4858         (Archive::interpret_header): Likewise.
4859         (Archive::include_all_members): Change to handle thin
4860         archives.
4861         (Archive::include_member): Likewise.
4862         * archive.h (Archive::Archive): Add new parameters and
4863         initializers.
4864         (Archive::armagt): New const.
4865         (Archive::setup): Remove task parameter.
4866         (Archive::unlock_nested_archives): New function.
4867         (Archive::read_header): Add nested_off parameter.
4868         (Archive::interpret_header): Likewise.
4869         (Archive::Nested_archive_table): New typedef.
4870         (Archive::is_thin_archive_): New field.
4871         (Archive::nested_archives_): New field.
4872         (Archive::options_): New field.
4873         (Archive::dirpath_): New field.
4874         (Archive::task_): New field.
4875         * readsyms.cc (Read_symbols::do_read_symbols): Add check
4876         for thin archives.  Pass additional parameters to
4877         Archive::Archive.  Unlock the archive file after calling
4878         Archive::setup.
4879
4880 2008-03-29  Ian Lance Taylor  <iant@google.com>
4881
4882         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
4883         version symbol to be local.
4884         * testsuite/ver_test_4.sh: New file.
4885         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
4886         (check_DATA): Add ver_test_4.syms.
4887         (ver_test_4.syms): New target.
4888         * testsuite/Makefile.in: Rebuild.
4889
4890         * output.cc
4891         (Output_section::Input_section_sort_entry::has_priority): New
4892         function.
4893         (Output_section::Input_section_sort_entry::match_file_name): New
4894         function.
4895         (Output_section::Input_section_sort_entry::match_section_name):
4896         Remove.
4897         (Output_section::Input_section_sort_entry::match_section_name_prefix):
4898         Remove.
4899         (Output_section::Input_section_sort_entry::match_section_file):
4900         Remove.
4901         (Output_section::Input_section_sort_compare::operator()): Rewrite
4902         using new Input_section_sort_entry functions.  Sort crtbegin and
4903         crtend first.  Sort sections with no priority before sections with
4904         a priority.
4905         * testsuite/initpri1.c (d3): Check j != 4.
4906         (cd5): New constructor/destructor function.
4907         (main): Check j != 2.
4908
4909         * symtab.cc (Symbol_table::add_from_object): If we don't use the
4910         new symbol when resolving, don't call set_is_default.
4911         * testsuite/ver_test_7.cc: New file.
4912         * testsuite/ver_test_7.sh: New file.
4913         * testsuite/Makefile.am (ver_test_7.so): New target.
4914         (ver_test_7.o): New target.
4915         (check_SCRIPTS): Add ver_test_7.sh.
4916         (check_DATA): Add ver_test_7.syms.
4917         (ver_test_7.syms): New target.
4918
4919 2008-03-28  Ian Lance Taylor  <iant@google.com>
4920
4921         * layout.cc (Layout::layout): If we see an input section with a
4922         name that needs sorting, set the must_sort flag for the output
4923         section.
4924         (Layout::make_output_section): If the name of the output section
4925         indicates that it might require sorting, set the may_sort flag.
4926         * output.h (Output_section::may_sort_attached_input_sections): New
4927         function.
4928         (Output_section::set_may_sort_attached_input_sections): New
4929         function.
4930         (Output_section::must_sort_attached_input_sections): New
4931         function.
4932         (Output_section::set_must_sort_attached_input_sections): New
4933         function.
4934         (class Output_section): Declare Input_section_sort_entry.  Define
4935         Input_section_sort_compare.  Declare
4936         sort_attached_input_sections.  Add new fields:
4937         may_sort_attached_input_sections_,
4938         must_sort_attached_input_sections_,
4939         attached_input_sections_are_sorted_.
4940         * output.cc (Output_section::Output_section): Initialize new
4941         fields.
4942         (Output_section::add_input_section): Add an entry to
4943         input_sections_ if may_sort or must_sort are true.
4944         (Output_section::set_final_data_size): Call
4945         sort_attached_input_sections if necessary.
4946         (Output_section::Input_section_sort_entry): Define new class.
4947         (Output_section::Input_section_sort_compare::operator()): New
4948         function.
4949         (Output_section::sort_attached_input_sections): New function.
4950         * configure.ac: Check whether the compiler supports constructor
4951         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
4952         * testsuite/initpri1.c: New file.
4953         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
4954         CONSTRUCTOR_PRIORITY.
4955         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
4956         (initpri1_LDFLAGS): New variable.
4957         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
4958
4959 2008-03-27  Ian Lance Taylor  <iant@google.com>
4960
4961         * common.cc (Sort_commons::operator): Correct sorting algorithm.
4962         * testsuite/common_test_1.c: New file.
4963         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
4964         (common_test_1_SOURCES): New variable.
4965         (common_test_1_DEPENDENCIES): New variable.
4966         (common_test_1_LDFLAGS): New variable.
4967
4968         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
4969         and commons_ correctly when NAME/VERSION does not override
4970         NAME/NULL.
4971         * testsuite/ver_test_6.c: New file.
4972         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
4973         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
4974         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
4975
4976 2008-03-26  Ian Lance Taylor  <iant@google.com>
4977
4978         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
4979         of an undefined symbol from a version script.
4980         * testsuite/Makefile.am (ver_test_5.so): New target.
4981         (ver_test_5.o): New target.
4982         (check_SCRIPTS): Add ver_test_5.sh.
4983         (check_DATA): Add ver_test_5.syms.
4984         (ver_test_5.syms): New target.
4985         * testsuite/ver_test_5.cc: New file.
4986         * testsuite/ver_test_5.script: New file.
4987         * testsuite/ver_test_5.sh: New file.
4988         * Makefile.in, testsuite/Makefile.in: Rebuild.
4989
4990         PR gold/5986
4991         Fix problems building gold with gcc 4.3.0.
4992         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
4993         (gold_error_at_location, gold_warning_at_location): Use it.
4994         * configure.ac: Check whether we can compile and use a template
4995         function with a printf attribute.
4996         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
4997         when jumping over bytes.
4998         * object.cc: Instantiate Object::read_section_data.
4999         * debug.h: Include <cstring>
5000         * dwarf_reader.cc: Include <algorithm>
5001         * main.cc: Include <cstring>.
5002         * options.cc: Include <cstring>.
5003         * output.cc: Include <cstring>.
5004         * script.cc: Include <cstring>.
5005         * script.h: Include <string>.
5006         * symtab.cc: Include <cstring> and <algorithm>.
5007         * target-select.cc: Include <cstring>.
5008         * version.cc: Include <string>.
5009         * testsuite/testmain.cc: Include <cstdlib>.
5010         * configure, config.in: Rebuild.
5011
5012 2008-03-25  Ian Lance Taylor  <iant@google.com>
5013
5014         * options.cc: Include "../bfd/bfdver.h".
5015         (options::help): Print bug reporting address.
5016
5017         * version.cc (print_version): Adjust output for current value of
5018         BFD_VERSION_STRING.
5019
5020         * NEWS: New file.
5021
5022         * options.cc (options::help): Print list of supported targets.
5023         * target-select.h: Include <vector>.
5024         (class Target_selector): Make machine_, size_, and is_big_endian_
5025         fields const.  Add bfd_name_ and instantiated_target_ fields.
5026         (Target_selector::Target_selector): Add bfd_name parameter.
5027         (Target_selector::recognize): Make non-virtual, call
5028         do_recognize.
5029         (Target_selector::recognize_by_name): Make non-virtual, call
5030         do_recognize_by_name.
5031         (Target_selector::supported_names): New function.
5032         (Target_selector::bfd_name): New function.
5033         (Target_selector::do_instantiate_target): New pure virtual
5034         function.
5035         (Target_selector::do_recognize): New virtual function.
5036         (Target_selector::do_recognize_by_name): New virtual function.
5037         (Target_selector::instantiate_target): New private function.
5038         (supported_target_names): Declare.
5039         * target-select.cc (Target_selector::Target_selector): Update for
5040         new parameter and fields.
5041         (select_target_by_name): Check that the name matches before
5042         calling recognize_by_name.
5043         (supported_target_names): New function.
5044         * i386.cc (class Target_selector_i386): Update Target_selector
5045         constructor call.  Remove recognize and recognize_by_name.  Add
5046         do_instantiate_target.
5047         * x86_64.cc (class Target_selector_x86_64): Likewise.
5048         * testsuite/testfile.cc (class Target_selector_test): Update for
5049         changes to Target_selector.
5050
5051         * README: Rewrite, with some notes on unsupported features.
5052
5053 2008-03-24  Cary Coutant  <ccoutant@google.com>
5054
5055         * i386.cc (Target_i386::Got_type): New enum declaration.
5056         (Target_i386::Scan::local): Updated callers of Output_data_got
5057         member functions.
5058         (Target_i386::Scan::global): Likewise.
5059         (Target_i386::Relocate::relocate): Likewise.
5060         (Target_i386::Relocate::relocate_tls): Likewise.
5061         * object.h (Got_offset_list): New class.
5062         (Sized_relobj::local_has_got_offset): Added got_type parameter.
5063         (Sized_relobj::local_got_offset): Likewise.
5064         (Sized_relobj::set_local_got_offset): Likewise.
5065         (Sized_relobj::local_has_tls_got_offset): Removed.
5066         (Sized_relobj::local_tls_got_offset): Removed.
5067         (Sized_relobj::set_local_tls_got_offset): Removed.
5068         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
5069         * output.cc (Output_data_got::add_global): Added got_type parameter.
5070         (Output_data_got::add_global_with_rel): Likewise.
5071         (Output_data_got::add_global_with_rela): Likewise.
5072         (Output_data_got::add_global_pair_with_rel): New function.
5073         (Output_data_got::add_global_pair_with_rela): New function.
5074         (Output_data_got::add_local): Added got_type parameter.
5075         (Output_data_got::add_local_with_rel): Likewise.
5076         (Output_data_got::add_local_with_rela): Likewise.
5077         (Output_data_got::add_local_pair_with_rel): New function.
5078         (Output_data_got::add_local_pair_with_rela): New function.
5079         (Output_data_got::add_global_tls): Removed.
5080         (Output_data_got::add_global_tls_with_rel): Removed.
5081         (Output_data_got::add_global_tls_with_rela): Removed.
5082         (Output_data_got::add_local_tls): Removed.
5083         (Output_data_got::add_local_tls_with_rel): Removed.
5084         (Output_data_got::add_local_tls_with_rela): Removed.
5085         * output.h (Output_data_got::add_global): Added got_type parameter.
5086         (Output_data_got::add_global_with_rel): Likewise.
5087         (Output_data_got::add_global_with_rela): Likewise.
5088         (Output_data_got::add_global_pair_with_rel): New function.
5089         (Output_data_got::add_global_pair_with_rela): New function.
5090         (Output_data_got::add_local): Added got_type parameter.
5091         (Output_data_got::add_local_with_rel): Likewise.
5092         (Output_data_got::add_local_with_rela): Likewise.
5093         (Output_data_got::add_local_pair_with_rel): New function.
5094         (Output_data_got::add_local_pair_with_rela): New function.
5095         (Output_data_got::add_global_tls): Removed.
5096         (Output_data_got::add_global_tls_with_rel): Removed.
5097         (Output_data_got::add_global_tls_with_rela): Removed.
5098         (Output_data_got::add_local_tls): Removed.
5099         (Output_data_got::add_local_tls_with_rel): Removed.
5100         (Output_data_got::add_local_tls_with_rela): Removed.
5101         * resolve.cc (Symbol::override_base_with_special): Removed
5102         reference to has_got_offset_ field.
5103         * symtab.cc (Symbol::init_fields): Replaced initialization
5104         of got_offset_ with got_offsets_.  Removed initialization
5105         of has_got_offset_
5106         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
5107         (Symbol::got_offset): Likewise.
5108         (Symbol::set_got_offset): Likewise.
5109         (Symbol::has_tls_got_offset): Removed.
5110         (Symbol::tls_got_offset): Removed.
5111         (Symbol::set_tls_got_offset): Removed.
5112         (Symbol::got_offset_): Removed.
5113         (Symbol::tls_mod_got_offset_): Removed.
5114         (Symbol::tls_pair_got_offset_): Removed.
5115         (Symbol::got_offsets_): New field.
5116         (Symbol::has_got_offset): Removed.
5117         (Symbol::has_tls_mod_got_offset): Removed.
5118         (Symbol::has_tls_pair_got_offset): Removed.
5119         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
5120         (Target_x86_64::Scan::local): Updated callers of Output_data_got
5121         member functions.
5122         (Target_x86_64::Scan::global): Likewise.
5123         (Target_x86_64::Relocate::relocate): Likewise.
5124         (Target_x86_64::Relocate::relocate_tls): Likewise.
5125
5126 2008-03-25  Ben Elliston  <bje@au.ibm.com>
5127
5128         * yyscript.y: Fix spelling error in comment.
5129
5130 2008-03-24  Ian Lance Taylor  <iant@google.com>
5131
5132         * options.h (class General_options): Define build_id option.
5133         * layout.h (class Layout): Declare write_build_id, create_note,
5134         create_build_id.  Add build_id_note_ member.
5135         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
5136         "libiberty.h", "md5.h", "sha1.h".
5137         (Layout::Layout): Initialize eh_frame_data_,
5138         eh_frame_hdr_section_, and build_id_note_.
5139         (Layout::finalize): Call create_build_id.
5140         (Layout::create_note): New function, broken out of
5141         Layout::create_gold_note.
5142         (Layout::create_gold_note): Call create_note.
5143         (Layout::create_build_id): New function.
5144         (Layout::write_build_id): New function.
5145         (Close_task_runner::run): Call write_build_id.
5146
5147         * x86_64.cc: Correct license to GPLv3.
5148
5149 2008-03-23  Ian Lance Taylor  <iant@google.com>
5150
5151         * options.cc: Include "demangle.h".
5152         (parse_optional_string): New function.
5153         (parse_long_option): Handle takes_optional_argument.
5154         (parse_short_option): Update dash_z initializer.  Handle
5155         takes_optional_argument.
5156         (General_options::General_options): Initialize do_demangle_.
5157         (General_options::finalize): Set do_demangle_.  Handle demangling
5158         style.
5159         * options.h (parse_optional_string): Declare.
5160         (struct One_option): Add optional_arg field.  Update constructor.
5161         Update call constructor calls.  Add takes_optional_argument
5162         function.
5163         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
5164         (DEFINE_optional_string): Define.
5165         (General_options::demangle): Change from DEFINE_bool to
5166         DEFINE_optional_string.
5167         (General_options::no_demangle): New function.
5168         (General_options::do_demangle): New function.
5169         (General_options::set_do_demangle): New function.
5170         (General_options::execstack_status_): Move definition to end of
5171         class definition.
5172         (General_options::static_): Likewise.
5173         (General_options::do_demangle_): New field.
5174         * object.cc (big_endian>::get_symbol_location_info): Call
5175         Options::do_demangle, not Options::demangle.
5176         * symtab.cc (demangle): Likewise.
5177
5178 2008-03-22  Ian Lance Taylor  <iant@google.com>
5179
5180         * gold.h: Include <cstddef> and <sys/types.h>
5181         * options.h: Include <cstring>.
5182
5183 2008-03-21  Ian Lance Taylor  <iant@google.com>
5184
5185         * Added source code to GNU binutils.