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Add $(THREADSLIB) $(LIBDL) to incremental-dump.
[pf3gnuchains/pf3gnuchains3x.git] / gold / ChangeLog
1 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
2             H.J. Lu  <hongjiu.lu@intel.com>
3
4         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
5         $(LIBDL).
6         (incremental_dump_LDADD): Likewise.
7         * Makefile.in: Regenerated.
8
9 2009-11-25  Doug Kwan  <dougkwan@google.com>
10         
11         Revert:
12
13         2009-11-25  Doug Kwan  <dougkwan@google.com>
14
15                 * arm.cc (Target_arm::Target_arm): Move method definition
16                 outside of class definition.  Add code to handle
17                 --target1-rel, --target1-abs and --target2= options.
18                 (Target_arm::get_reloc_reloc_type): Change method to be
19                 non-static and const.
20                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
21                 New data member declaration.
22                 (Target_arm::Scan::local, Target_arm::Scan::global,
23                 Target_arm::Relocate::relocate,
24                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
25                 Adjust call to Target_arm::get_real_reloc_type.
26                 (Target_arm::get_real_reloc_type): Use command line options
27                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
28                 * options.h (--target1-rel, --target1-abs, --target2): New
29                 ARM-only options.
30
31 2009-11-25  Doug Kwan  <dougkwan@google.com>
32
33         * arm.cc (Target_arm::Target_arm): Move method definition outside of
34         class definition.  Add code to handle --target1-rel, --target1-abs
35         and --target2= options.
36         (Target_arm::get_reloc_reloc_type): Change method to be non-static
37         and const.
38         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
39         member declaration.
40         (Target_arm::Scan::local, Target_arm::Scan::global,
41         Target_arm::Relocate::relocate,
42         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
43         call to Target_arm::get_real_reloc_type.
44         (Target_arm::get_real_reloc_type): Use command line options to
45         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
46         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
47         options.
48
49 2009-11-25  Doug Kwan  <dougkwan@google.com>
50
51         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
52         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
53         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
54         formatting.
55         (Arm_relocate_functions::thm_call): Replace body with a call to
56         Arm_relocate_functions::thumb_branch_common.
57         (Arm_relocate_functions::thm_jump24,
58         Arm_relocate_functions::thm_xpc22): New method definitions.
59         (Arm_relocate_functions::thumb_branch_common): New method definition.
60         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
61         operator.
62         (Target_arm::Relocate::relocate): Adjust call to thm_call.
63         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
64
65 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
66
67         * Makefile.am: Build incremental-dump
68         * Makefile.in: Regenerate.
69         * incremental-dump.cc: New.
70         * incremental.cc (Incremental_inputs_header_data,
71         Incremental_inputs_entry_data): Move to incremental.h
72         * incremental.h: (Incremental_inputs_header_data,
73         Incremental_inputs_entry_data): Move from incremental.cc
74
75 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
76
77         * incremental.cc (Incremental_inputs_header,
78         Incremental_inputs_header_write, Incremental_inputs_entry,
79         Incremental_inputs_entry_write): Add a typedef with the data type.
80
81 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
82
83         * incremental.cc (Incremental_inputs_header,
84         Incremental_inputs_header_write, Incremental_inputs_entry,
85         Incremental_inputs_entry_write): Update comment about which
86         type has the filed descriptions.
87
88 2009-11-15  Doug Kwan  <dougkwan@google.com>
89
90         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
91         (Arm_relocate_functions::arm_branch_common): Change method defintion
92         in class definition to a method declaration and update list of formal
93         parameters.
94         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
95         Arm_relocation_functions::jump24): Adjust call to
96         Arm_relocate_functions::arm_branch_common.  Update list of formal
97         parameters.
98         (Arm_relocate_functions::xpc25): New method definition.
99         (Arm_relocate_functions::arm_branch_common): Move method defintion
100         out from class definition.  Use stubs for mode-switching and extending
101         branch ranges.
102         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
103         specially.  Change code to enable use of stubs in ARM branches.
104
105 2009-11-10  Doug Kwan  <dougkwan@google.com>
106
107         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
108         in method declaration.
109         (Target_arm::relocate_stub): New method declaration.
110         (Target_arm::default_target): Change to return a pointer instead of
111         a const reference.
112         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
113         Target_arm::default_target.
114         (Arm_Relobj::do_relocate_sections): Remove options paramater in
115         method definition.
116         (Target_arm::relocate_section): Adjust view.
117         (Target_arm::relocate_stub): New method definition.
118
119 2009-11-10  Doug Kwan  <dougkwan@google.com>
120
121         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
122         a format warning.
123         * incremental.cc (open_incremental_binary): Initialized local
124         variables to avoid warnings.
125         * object.cc (make_elf_object): Ditto.
126         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
127         a format warning.
128  
129 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
130
131         PR gold/10930
132         * testsuite/plugin_test.c: Include "config.h".
133
134 2009-11-09  Doug Kwan  <dougkwan@google.com>
135
136         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
137         (arm_symbol_value): Remove.
138         (Arm_relocate_functions::arm_branch_common,
139         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
140         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
141         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
142         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
143         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
144         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
145         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
146         Arm_relocate_functions::thm_mobw_abs_nc,
147         Arm_relocate_functions::thm_mov_abs,
148         Arm_relocate_functions::movw_prel_nc,
149         Arm_relocate_functions::thm_movt_abs,
150         Arm_relocate_functions::movt_prel,
151         Arm_relocate_functions::thm_movw_prel_nc,
152         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
153         (Target_arm::Relocate::relocate): Only decompose address into two
154         parts if relocation type uses the thumb-bit and pass the actual
155         bit instead of a flag indicating that the thumb-bit is used.  Adjust
156         calls to methods in Arm_relocate_functions for this change.
157
158 2009-11-08  Ian Lance Taylor  <ian@airs.com>
159
160         PR 10925
161         * reloc.cc: Instantiate
162         Sized_relobj::initialize_input_to_output_maps and
163         Sized_relobj:free_input_to_output_maps.
164
165 2009-11-06  Ian Lance Taylor  <iant@google.com>
166
167         PR 10876
168         * defstd.cc (in_segment): Set only_if_ref true for "end".
169
170 2009-11-06  Doug Kwan  <dougkwan@google.com>
171
172         * arm.cc (class Reloc_stub): Correct a comment.
173         (Target_arm::Target_arm): Initialize arm_input_section_map_.
174         (Target_arm::scan_section_for_stubs): New method declaration.
175         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
176         Change methods from private to protected.
177         (Target_arm::do_may_relax): New method definition.
178         (Target_arm::do_relax, Target_arm::group_sections,
179         Target_arm::scan_reloc_for_stub,
180         Target_arm::scan_reloc_section_for_stubs): New method declarations.
181         (Target_arm::arm_input_section_map_): New data member declaration.
182         (Target_arm::scan_reloc_for_stub,
183         Target_arm::scan_reloc_section_for_stubs,
184         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
185         Target_arm::do_relax): New method definitions.
186
187 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
188
189         * configure.ac: Check for (struct stat)::st_mtim
190         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
191         * config.in: Regenerate.
192         * configure: Regenerate.
193
194 2009-11-05  Ian Lance Taylor  <iant@google.com>
195
196         PR 10910
197         * output.cc (Output_segment::add_output_section): Add missing
198         return statement.
199
200 2009-11-04  Ian Lance Taylor  <iant@google.com>
201
202         PR 10880
203         * object.h (class Object): Add is_needed and set_is_needed
204         methods.  Add is_needed_ field.  Make bool fields into bitfields.
205         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
206         defined in a dynamic object and referenced by a regular object,
207         set is_needed for the dynamic object.
208         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
209         if the file is marked with as_needed and it is not needed.
210
211 2009-11-04  Ian Lance Taylor  <iant@google.com>
212
213         PR 10887
214         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
215         tags if data is discarded by linker script.
216         * i386.cc (Target_i386::do_finalize_sections): Likewise.
217         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
218         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
219         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
220
221 2009-11-04  Ian Lance Taylor  <iant@google.com>
222
223         * layout.cc (Layout::get_output_section): Add is_interp and
224         is_dynamic_linker_section parameters.  Change all callers.
225         (Layout::choose_output_section): Likewise.
226         (Layout::make_output_section): Likewise.
227         (Layout::add_output_section_data): Add is_dynamic_linker_section
228         parameter.  Change all callers.
229         * layout.h (class Layout): Update declarations.
230         * output.h (class Output_section): Add is_interp, set_is_interp,
231         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
232         Add is_interp_, is_dynamic_linker_section_ fields.  Change
233         generate_code_fills_at_write_ to a bitfield.
234         * output.cc (Output_section::Output_sections): Initialize new
235         fields.
236         (Output_segment::add_output_section): Add do_sort parameter.
237         Change all callers.
238
239 2009-11-03  Ian Lance Taylor  <iant@google.com>
240
241         PR 10860
242         * options.h (class General_options): Add --warn-common.
243         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
244         merging two common symbols.
245         (Symbol_table::should_override): Handle --warn-common when merging
246         a common symbol with a defined symbol.  Use report_resolve_problem
247         for multiple definitions.
248         (Symbol_table::report_resolve_problem): New function.
249         * symtab.h (class Symbol_table): Declare report_resolve_problem.
250
251 2009-11-03  Doug Kwan  <dougkwan@google.com>
252
253         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
254         stub_factory_.
255         (Target_arm::stub_factory): New method definition.
256         (Target_arm::new_arm_input_section,
257         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
258         Target_arm::reloc_uses_thumb_bit): New method declarations.
259         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map): 
260         New type definitions.
261         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
262         member declarations.
263         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
264         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
265         New method definitions.
266
267 2009-11-03  Ian Lance Taylor  <iant@google.com>
268
269         * options.h (class General_options): Add --warn_constructors.
270
271 2009-11-03  Ian Lance Taylor  <iant@google.com>
272
273         PR 10893
274         * defstd.cc (in_section): Add entries for __rel_iplt_start,
275         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
276
277 2009-11-03  Ian Lance Taylor  <iant@google.com>
278
279         PR 10895
280         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
281         --msgid-bugs-address.
282         (install-pdf): New target.
283         (install-data_yes): Look up one directory to find mkinstalldirs.
284
285 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
286
287         * po/Make-in (.po.gmo): Don't generate .gmo files in source
288         tree.
289
290 2009-10-30  Doug Kwan  <dougkwan@google.com>
291
292         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
293
294 2009-10-30  Doug Kwan  <dougkwan@google.com>
295
296         * arm.cc (Stub_addend_reader): New struct template definition
297         and partial specializations.
298         (Stub_addend_reader::operator()): New method definition for a
299         partially specialized template.
300
301 2009-10-30  Doug Kwan  <dougkwan@google.com>
302
303         * arm.cc (Arm_relobj::processor_specific_flags): New method
304         definition.
305         (Arm_relobj::do_read_symbols): New method declaration.
306         (Arm_relobj::processor_specific_flags_): New data member declaration.
307         (Arm_dynobj): New class definition.
308         (Target_arm::do_finalize_sections): Add input_objects parameter.
309         (Target_arm::do_adjust_elf_header): New method declaration.
310         (Target_arm::are_eabi_versions_compatible,
311         (Target_arm::merge_processor_specific_flags): New method declaration.
312         (Target_arm::do_make_elf_object): New overloaded method definitions
313         and declaration.
314         (Arm_relobj::do_read_symbols): New method definition.
315         (Arm_dynobj::do_read_symbols): Ditto.
316         (Target_arm::do_finalize_sections): Add input_objects parameters.
317         Merge processor-specific flags from all input objects.
318         (Target_arm::are_eabi_versions_compatible,
319         Target_arm::merge_processor_specific_flags,
320         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
321         New method definitions.
322         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
323         Input_objects pointer type parameter.
324         * layout.cc (Layout::finalize): Pass input objects to target's.
325         finalize_sections function.
326         * output.cc (Output_file_header::do_sized_write): Set ELF file
327         header's processor-specific flags.
328         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
329         Input_objects pointer type parameter.
330         * sparc.cc (Target_sparc::do_finalize_sections): Same.
331         * target.h (Input_objects): New forward class declaration.
332         (Target::processor_specific_flags,
333         Target::are_processor_specific_flags_sect): New method definitions.
334         (Target::finalize_sections): Add input_objects parameter.
335         (Target::Target): Initialize processor_specific_flags_ and
336         are_processor_specific_flags_set_.
337         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
338         parameter.
339         (Target::set_processor_specific_flags): New method definition.
340         (Target::processor_specific_flags_,
341         Target::are_processor_specific_flags_set_): New data member
342         declarations.
343         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
344         Input_objects pointer type parameter.
345
346 2009-10-30  Doug Kwan  <dougkwan@google.com>
347
348         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
349
350 2009-10-28  Ian Lance Taylor  <iant@google.com>
351
352         * object.h (class Relobj): Drop options parameter from
353         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
354         do_scan_relocs, do_relocate.  Change all callers.
355         (class Sized_relobj): Drop options parameters from
356         do_gc_process_relocs, do_scan_relocs, do_relocate,
357         do_relocate_sections, relocate_sections, emit_relocs_scan,
358         emit_relocs_scan_reltype.  Change all callers.
359         (struct Relocate_info): Remove options field and all references to
360         it.
361         * reloc.h (class Read_relocs): Remove options constructor
362         parameter and options_ field.  Change all callers.
363         (class Gc_process_relocs, class Scan_relocs): Likewise.
364         (class Relocate_task): Likewise.
365         * target-reloc.h (scan_relocs): Remove options parameter.  Change
366         all callers.
367         (scan_relocatable_relocs): Likewise.
368         * target.h (class Sized_target): Remove options parameter from
369         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
370         all callers.
371         * gc.h (gc_process_relocs): Remove options parameter.  Change all
372         callers.
373         * arm.cc: Update functions to remove options parameters.
374         * i386.cc: Likewise.
375         * powerpc.cc: Likewise.
376         * sparc.cc: Likewise.
377         * x86_64.cc: Likewise.
378         * testsuite/testfile.cc: Likewise.
379
380 2009-10-28  Doug Kwan  <dougkwan@google.com>
381
382         * arm.cc (Arm_relobj): New class definition.
383         (Arm_relobj::scan_sections_for_stubs, 
384         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
385         New method definitions.
386
387 2009-10-28  Cary Coutant  <ccoutant@google.com>
388
389         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
390         (Plugin::cleanup_done_): New member.
391         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
392         (Plugin_manager::cleanup_done_): Remove.
393         (Plugin_manager::add_input_file): Edit error message.
394         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
395         (Plugin_manager::cleanup): Remove use of cleanup_done_.
396
397 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
398
399         * fileread.cc: (File_read::View::~View): Use the new
400         data_ownership_ filed.
401         (File_read::~File_read): Dispose the new whole_file_view_.
402         (File_read::open): Mmap the whole file if needed.
403         (File_read::open): Use whole_file_view_ instead of contents_.
404         (File_read::find_view): Use whole_file_view_ if applicable.
405         (File_read::do_read): Use whole_file_view_ instead of contents_.
406         (File_read::make_view): Use whole_file_view_ instead of contents_,
407         update File_read::View::View call.
408         (File_read::find_or_make_view): Update File_read::View::View
409         call.
410         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
411         remove contents_
412         (File_read::View::Data_ownership): New enum.
413         (File_read::View::View): Replace bool mapped_ with Data_ownership
414         argument.
415         (File_read::View::mapped_): Remove (replaced by data_ownership_).
416         (File_read::View::data_ownership_): New field.
417         (File_read::contents_): Remove (replaced by whole_file_view_).
418         (File_read::whole_file_view_): New field.
419         * options.h (class General_options): Add --keep-files-mapped.
420
421 2009-10-27  Cary Coutant  <ccoutant@google.com>
422
423         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
424         * testsuite/Makefile.am (plugin_test_5): New test case.
425         * testsuite/Makefile.in: Regenerate.
426
427 2009-10-25  Doug Kwan  <dougkwan@google.com>
428
429         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
430         from private to protected to allow access by child class.
431         (Sized_relobj::do_relocate_sections): New method declaration.
432         (Sized_relobj::relocate_sections): Virtualize.
433         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from 
434         Sized_relobj::relocate_sections.  Instantiate template explicitly
435         for different target sizes and endianity.
436
437 2009-10-24  Doug Kwan  <dougkwan@google.com>
438
439         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
440         (Arm_input_section::as_arm_input_section): New method.
441         (Arm_output_section): New class definition.
442         (Arm_output_section::create_stub_group,
443         Arm_output_section::group_sections): New method definitions.
444
445 2009-10-22  Doug Kwan  <dougkwan@google.com>
446
447         * arm.cc (Arm_input_section): New class definition.
448         (Arm_input_section::init, Arm_input_section:do_write,
449         Arm_input_section::set_final_data_size,
450         Arm_input_section::do_reset_address_and_file_offset): New method
451         definitions.
452
453 2009-10-21  Doug Kwan  <dougkwan@google.com>
454
455         * arm.cc (Stub_table, Arm_input_section): New forward class
456         declarations.
457         (Stub_table): New class defintion.
458         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
459         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
460         New method definition.
461
462 2009-10-21  Doug Kwan  <dougkwan@google.com>
463
464         * arm.cc: Update copyright comments.
465         (Target_arm): New forward class template declaration.
466         (Arm_address): New type.
467         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
468         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
469         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
470         constants.
471         (Insn_template): Same.
472         (DEF_STUBS): New macro.
473         (Stub_type): New enum type.
474         (Stub_template): New class definition.
475         (Stub): Same.
476         (Reloc_stub): Same.
477         (Stub_factory): Same.
478         (Target_arm::Target_arm): Initialize may_use_blx_ and
479         should_force_pic_veneer_.
480         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
481         Target_arm::should_force_pic_veneer,
482         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
483         Target_arm::using_thumb_only, Target_arm:;default_target): New
484         method defintions.
485         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
486         New data member declarations.
487         (Insn_template::size, Insn_template::alignment): New method defintions.
488         (Stub_template::Stub_template): New method definition.
489         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
490         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
491         (Stub_factory::Stub_factory): New method definition.
492         * gold.h (string_hash): New template.
493         * output.h (Input_section_specifier::hash_value): Use
494         gold::string_hash.
495         (Input_section_specifier::string_hash): Remove.
496         * stringpool.cc (Stringpool_template::string_hash): Use
497         gold::string_hash.
498
499 2009-10-20  Doug Kwan  <dougkwan@google.com>
500
501         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
502         symbols of relaxed input sections.
503         * output.h (Output_section::find_relaxed_input_section): Make
504         method public.
505
506 2009-10-16  Doug Kwan  <dougkwan@google.com>
507
508         * dynobj.cc (Versions::Versions): Initialize version_script_.
509         Only insert base version symbol definition for a shared object
510         if version script defines any version versions.
511         (Versions::define_base_version): New method definition.
512         (Versions::add_def): Check that base version is not needed.
513         (Versions::add_need): Define base version lazily.
514         * dynobj.h (Versions::define_base_version): New method declaration.
515         (Versions::needs_base_version_): New data member declaration.
516         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
517         (check_DATA): Add no_version_test.stdout.
518         (libno_version_test.so, no_version_test.o no_version_test.stdout):
519         New make rules.
520         * testsuite/Makefile.in: Regenerate.
521         * testsuite/no_version_test.c: New file.
522         * testsuite/no_version_test.sh: Ditto.
523
524 2009-10-16  Doug Kwan  <dougkwan@google.com>
525
526         * expression.cc (class Segment_start_expression): New class definition.
527         (Segment_start_expression::value): New method definition.
528         (script_exp_function_segment_start): Return a new
529         Segment_start_expression.
530         * gold/script-c.h (script_saw_segment_start_expression): New function
531         prototype.
532         * script-sections.cc (Script_sections::Script_sections): Initialize
533         SAW_SEGMENT_START_EXPRESSION_ to false.
534         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
535         and -Tbbs options to specify section addresses if given in
536         command line and no SEGMENT_START expression is seen in a script.
537         * script-sections.h (Script_sections::saw_segment_start_expression,
538         Script_sections::set_saw_segment_start_expression): New method
539         definition.
540         (Script_sections::saw_segment_start_expression_): New data member
541         declaration.
542         * script.cc (script_saw_segment_start_expression): New function.
543         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
544         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
545         script_test_7.sh and script_test_8.sh.
546         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
547         script_test_8.stdout.
548         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
549         (script_test_6, script_test_6.stdout, script_test_7,
550         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
551         * Makefile.in: Regenerate.
552         * testsuite/script_test_6.sh: New file.
553         * testsuite/script_test_6.t: Same.
554         * testsuite/script_test_7.sh: Same.
555         * testsuite/script_test_7.t: Same.
556         * testsuite/script_test_8.sh: Same.
557
558 2009-10-16  Doug Kwan  <dougkwan@google.com>
559
560         * output.cc (Output_segment::set_section_list_address): Cast
561         expressions to unsigned long long type to avoid format warnings.
562
563 2009-10-15  Ian Lance Taylor  <iant@google.com>
564
565         * script.cc (Script_options::add_symbol_assignment): Always add a
566         dot assignment to script_sections_.
567         * script-sections.cc (Script_sections::add_dot_assignment):
568         Initialize if necessary.
569
570         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
571         program headers with no load segment if there is a linker script.
572
573         * layout.cc (Layout::set_segment_offsets): Align the file offset
574         to the segment aligment for -N or -n with no load segment.
575         * output.cc (Output_segment::add_output_section): Don't crash if
576         the first section is a TLS section.
577         (Output_segment::set_section_list_addresses): Print an error
578         message if the address moves backward in a linker script.
579         * script-sections.cc
580         (Output_section_element_input::set_section_addresses): Don't
581         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
582         (Orphan_output_section::set_section_addresses): Likewise.
583
584 2009-10-15  Doug Kwan  <dougkwan@google.com>
585
586         * layout.cc (Layout::finish_dynamic_section): Generate tags
587         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
588         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
589         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
590
591 2009-10-14  Ian Lance Taylor  <iant@google.com>
592
593         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
594         fields.
595         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
596         data_shdr fields of relinfo.
597         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
598         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
599         R_386_TLS_LDO_32, adjust based on section flags.
600         (Target_i386::Relocate::fix_up_ldo): Remove.
601
602 2009-10-13  Ian Lance Taylor  <iant@google.com>
603
604         Add support for -pie.
605         * options.h (class General_options): Add -pie and
606         --pic-executable.
607         (General_options::output_is_position_independent): Test -pie.
608         (General_options::output_is_executable): Return true if not shared
609         and not relocatable.
610         (General_options::output_is_pie): Remove.
611         * options.cc (General_options::finalize): Reject incompatible uses
612         of -pie.
613         * gold.cc (queue_middle_tasks): A -pie link is not static.
614         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
615         * symtab.cc (Symbol::final_value_is_known): Return false if
616         output_is_position_independent.
617         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
618         output_is_position_independent.
619         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
620         output_is_position_independent.
621         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
622         output_is_position_independent.
623         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
624         two_file_pie_test.
625         (basic_pie_test.o, basic_pie_test): New targets.
626         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
627         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
628         (two_file_pie_test): New target.
629         * testsuite/Makefile.in: Rebuild.
630         * README: Remove note saying that -pie is not supported.
631
632 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
633
634         * options.h (class General_options): Add -init and -fini.
635         * layout.cc (Layout::finish_dynamic_section): Emit
636         given init and fini functions.
637
638 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
639
640         * gc.h (gc_process_relocs): Check if icf is enabled using new
641         function.
642         * gold.cc (queue_initial_tasks): Likewise.
643         (queue_middle_tasks): Likewise.
644         * object.cc (do_layout): Likewise.
645         * symtab.cc (is_section_folded): Likewise.
646         * main.cc (main): Likewise.
647         * reloc.cc (Read_relocs::run): Likewise.
648         (Sized_relobj::do_scan_relocs): Likewise.
649         * icf.cc (is_function_ctor_or_dtor): New function.
650         (Icf::find_identical_sections): Check if function is ctor or dtor when
651         safe icf is chosen.
652         * options.h (General_options::icf): Change option to be an enum.
653         (Icf_status): New enum.
654         (icf_enabled): New method.
655         (icf_safe_folding): New method.
656         (set_icf_status): New method.
657         (icf_status_): New variable.
658         * (options.cc) (General_options::finalize): Set icf_status_.
659         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
660         icf_test and icf_keep_unique_test to use the --icf enum flag.
661         * testsuite/icf_safe_test.sh: New file.
662         * testsuite/icf_safe_test.cc: New file. 
663
664 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
665
666         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
667         includes to gc.h and icf.h.
668         * arm.cc: Include gc.h.
669         * gold.cc: Likewise.
670         * i386.cc: Likewise.
671         * powerpc.cc: Likewise.
672         * sparc.cc: Likewise.
673         * x86_64.cc: Likewise.
674         * gc.h: Include icf.h.
675
676 2009-10-11  Ian Lance Taylor  <iant@google.com>
677
678         * plugin.cc: Include "gold.h" before other header files.
679
680 2009-10-10  Chris Demetriou  <cgd@google.com>
681
682         * options.h (Input_file_argument::Input_file_type): New enum.
683         (Input_file_argument::is_lib_): Replace with...
684         (Input_file_argument::type_): New member.
685         (Input_file_argument::Input_file_argument): Take Input_file_type
686         'type' rather than boolean 'is_lib' as second argument.
687         (Input_file_argument::is_lib): Use type_.
688         (Input_file_argument::is_searched_file): New function.
689         (Input_file_argument::may_need_search): Handle is_searched_file.
690         * options.cc (General_options::parse_library): Support -l:filename.
691         (General_options::parse_just_symbols): Update for Input_file_argument
692         changes.
693         (Command_line::process): Likewise.
694         * archive.cc (Archive::get_file_and_offset): Likewise.
695         * plugin.cc (Plugin_manager::release_input_file): Likewise.
696         * script.cc (read_script_file, script_add_file): Likewise.
697         * fileread.cc (Input_file::Input_file): Likewise.
698         (Input_file::will_search_for): Handle is_searched_file.
699         (Input_file::open): Likewise.
700         * readsyms.cc (Read_symbols::get_name): Likewise.
701         * testsuite/Makefile.am (searched_file_test): New test.
702         * testsuite/Makefile.in: Regenerate.
703         * testsuite/searched_file_test.cc: New file.
704         * testsuite/searched_file_test_lib.cc: New file.
705
706 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
707             Ian Lance Taylor  <iant@google.com>
708
709         * descriptor.cc: Include <cstdio> and "binary-io.h".
710         (Descriptors::open): Open the files in binary mode always.
711         * script.cc (Lex::get_token): Treat \r as whitespace.
712
713 2009-10-09  Ian Lance Taylor  <iant@google.com>
714
715         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
716
717 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
718             Ian Lance Taylor  <iant@google.com>
719
720         * configure.ac: Check for readv function also.
721         * fileread.cc (readv): Define if not HAVE_READV.
722         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
723         does not exist.
724         * config.in: Regenerate.
725         * configure: Regenerate.
726
727 2009-10-09  Doug Kwan  <dougkwan@google.com>
728
729         * layout.cc (Layout::make_output_section): Call target hook to make
730         ordinary output section.
731         (Layout::finalize): Adjust parameter list of call the
732         Target::may_relax().
733         * layout.h (class Layout::section_list): New method.
734         * merge.h (Output_merge_base::entsize): Change visibility to public.
735         (Output_merge_base::is_string, Output_merge_base::do_is_string):
736         New methods.
737         (Output_merge_string::do_is_string): New method.
738         * object.cc (Sized_relobj::do_setup): renamed from
739         Sized_relobj::set_up.
740         * object.h (Sized_relobj::adjust_shndx,
741         Sized_relobj::initializ_input_to_output_maps,
742         Sized_relobj::free_input_to_output_maps): Change visibilities to
743         protected.
744         (Sized_relobj::setup): Virtualize.
745         (Sized_relobj::do_setup): New method declaration.
746         (Sized_relobj::invalidate_section_offset,
747         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
748         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
749         * options.cc (parse_int): New function.
750         * options.h (parse_int): New declaration.
751         (DEFINE_int): New macro.
752         (stub_group_size): New option.
753         * output.cc (Output_section::Output_section): Initialize memebers
754         merge_section_map_, merge_section_by_properties_map_,
755         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
756         (Output_section::add_input_section): Handled deferred code-fill
757         generation and remove an old comment.
758         (Output_section::add_relaxed_input_section): New method definition.
759         (Output_section::add_merge_input_section): Use merge section by
760         properties map to speed to search.  Update merge section maps
761         as appropriate.
762         (Output_section::build_relaxation_map): New method definition.
763         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
764         Same.
765         (Output_section::relax_input_section): Renamed to
766         Output_section::convert_input_sections_to_relaxed_sections and change
767         interface to take a vector of pointers to relaxed sections.
768         (Output_section::find_merge_section,
769         Output_section::find_relaxed_input_section): New method definitions.
770         (Output_section::is_input_address_mapped,
771         Output_section::output_offset, Output_section::output_address):
772         Use output section data maps to speed up searching.
773         (Output_section::find_starting_output_address): Add comments.
774         (Output_section::do_write,
775         Output_section::write_to_postprocessing_buffer): Do code-fill
776         generation as appropriate.
777         (Output_section::get_input_sections): Invalidate relaxed input section
778         map.
779         (Output_section::restore_states): Adjust type of checkpoint .
780         Invalidate relaxed input section map.
781         * output.h (Output_merge_base): New class declaration.
782         (Input_section_specifier): New class defintion.
783         (class Output_relaxed_input_section) Change base class to
784         Output_section_data_build.
785         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
786         base class initializer.
787         (Output_section::add_relaxed_input_section): New method declaration.
788         (Output_section::Input_section): Change visibility to protected.
789         (Output_section::Input_section::relobj,
790         Output_section::Input_section::shndx): Handle relaxed input sections.
791         Output_section::input_sections) Change visibility to protected.  Also
792         define overload to return a non-const pointer.
793         (Output_section::Merge_section_properties): New class defintion.
794         (Output_section::Merge_section_by_properties_map,
795         Output_section::Output_section_data_by_input_section_map,
796         Output_section::Relaxation_map): New types.
797         (Output_section::relax_input_section): Rename method to
798         Output_section::convert_input_sections_to_relaxed_sections and change
799         interface to take a vector of relaxed section pointers.
800         (Output_section::find_merge_section,
801         Output_section::find_relaxed_input_section,
802         Output_section::build_relaxation_map,
803         Output_section::convert_input_sections_in_list_to_relaxed_sections):
804         New method declarations.
805         (Output_section::merge_section_map_
806         Output_section::merge_section_by_properties_map_,
807         Output_section::relaxed_input_section_map_,
808         Output_section::is_relaxed_input_section_map_valid_,
809         Output_section::generate_code_fills_at_write_): New data members.
810         * script-sections.cc
811         (Output_section_element_input::set_section_addresses): Call
812         current_data_size and addralign methods of relaxed input sections.
813         (Orphan_output_section::set_section_addresses): Call current_data_size
814         and addralign methods of relaxed input sections.
815         * symtab.cc (Symbol_table::compute_final_value): Extract template
816         from the body of Symbol_table::sized_finalize_symbol.
817         (Symbol_table::sized_finalized_symbol): Call
818         Symbol_table::compute_final_value.
819         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
820         (Symbol_table::compute_final_value): New templated method declaration.
821         * target.cc (Target::do_make_output_section): New method defintion.
822         * target.h (Target::make_output_section): New method declaration.
823         (Target::relax): Add more parameters for input objects, symbol table
824         and layout.  Adjust call to do_relax.
825         (Target::do_make_output_section): New method declaration.
826         (Target::do_relax): Add parameters for input objects, symbol table
827         and layout.
828
829 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
830
831         * pread.c: Include stdio.h.
832
833 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
834
835         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
836         defined.
837
838 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
839
840         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
841         Change read_shndx type to unsigned int.
842         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
843         int.
844         (Sized_dwarf_line_info::read_line_mappings): Likewise.
845         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
846         Change read_shndx type to unsigned int.
847         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
848         int.
849         (Sized_dwarf_line_info::read_line_mappings): Likewise.
850         * layout.cc (Layout::create_symtab_sections): Cast the result of
851         local_symcount * symsize to off_t in the gold_assert.
852
853 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
854
855         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
856         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
857         R_ARM_BASE_ABS.
858         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
859         (Arm_relocate_functions::thm_abs5): New function.
860         (Arm_relocate_functions::abs12): New function.
861         (Arm_relocate_functions::abs16): New function.
862         (Arm_relocate_functions::base_abs): New function.
863         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
864         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
865         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
866         R_ARM_BASE_ABS.
867         (Scan::global): Likewise.
868         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
869         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
870         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
871         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
872         R_ARM_BASE_ABS.
873
874 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
875
876         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
877         (Arm_relocate_functions::movt_prel): New function.
878         (Arm_relocate_functions::thm_movw_prel_nc): New function.
879         (Arm_relocate_functions::thm_movt_prel): New function.
880         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
881         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
882         (Scan::global, Relocate::relocate): Likewise.
883         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
884
885 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
886
887         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
888         Incremental_checker.
889         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
890         unsigned int.
891         (class Incremental_inputs_header): New class.
892         (Incremental_inputs_header_writer): Edit comment.
893         (Incremental_inputs_entry): New class.
894         (Incremental_inputs_entry_writer): Edit comment.
895         (Sized_incremental_binary::do_find_incremental_inputs_section):
896         Add *strtab_shndx parameter, fill it.
897         (Sized_incremental_binary::do_check_inputs): New method.
898         (Incremental_checker::can_incrementally_link_output_file): Use
899         Sized_incremental_binary::check_inputs.
900         (Incremental_inputs::report_command_line): Save command line in
901         command_line_.
902         * incremental.h:
903         (Incremental_binary::find_incremental_inputs_section): New
904         method.
905         (Incremental_binary::do_find_incremental_inputs_section): Add
906         strtab_shndx parameter.
907         (Incremental_binary::do_check_inputs): New pure virtual method.
908         (Sized_incremental_binary::do_check_inputs): Declare.
909         (Incremental_checker::Incremental_checker): Add incremental_inputs
910         parameter, use it to initialize incremental_inputs_.
911         (Incremental_checker::incremental_inputs_): New field.
912         (Incremental_checker::command_line): New method.
913         (Incremental_checker::inputs): New method.
914         (Incremental_checker::command_line_): New field.
915
916 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
917
918         * incremental.cc: Include <cstdarg> and "target-select.h".
919         (vexplain_no_incremental): New function.
920         (explain_no_incremental): New function.
921         (Incremental_binary::error): New method.
922         (Sized_incremental_binary::do_find_incremental_inputs_section): New
923         method.
924         (make_sized_incremental_binary): New function.
925         (open_incremental_binary): New function.
926         (can_incrementally_link_file): Add checks if output is ELF and has
927         inputs section.
928         * incremental.h: Include "elfcpp_file.h" and "output.h".
929         (Incremental_binary): New class.
930         (Sized_incremental_binary): New class.
931         (open_incremental_binary): Declare.
932         * object.cc (is_elf_object): Use
933         elfcpp::Elf_recognizer::is_elf_file.
934         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
935         * output.h (Output_file::filesize): New method.
936
937 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
938
939         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
940         New function.
941         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
942         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
943         function.
944         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
945         function.
946         (Arm_relocate_functions::movw_abs_nc): New function.
947         (Arm_relocate_functions::movt_abs): New function.
948         (Arm_relocate_functions::thm_movw_abs_nc): New function.
949         (Arm_relocate_functions::thm_movt_abs): New function.
950         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
951         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
952         (Scan::global): Likewise.
953         (Relocate::relocate): Likewise.
954         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
955
956 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
957
958         * arm.cc (Arm_relocate_functions::got_prel) New function.
959         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
960         (Relocate::relocate): Likewise.
961         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
962
963 2009-10-06  Ian Lance Taylor  <iant@google.com>
964
965         * options.h (class General_options): Define
966         split_stack_adjust_size parameter.
967         * object.h (class Object): Add uses_split_stack_ and
968         has_no_split_stack_ fields.  Add uses_split_stack and
969         has_no_split_stack accessor functions.  Declare
970         handle_split_stack_section.
971         (class Reloc_symbol_changes): Define.
972         (class Sized_relobj): Define Function_offsets.  Declare
973         split_stack_adjust, split_stack_adjust_reltype, and
974         find_functions.
975         * object.cc (Object::handle_split_stack_section): New function.
976         (Sized_relobj::do_layout): Call handle_split_stack_section.
977         * dynobj.cc (Sized_dynobj::do_layout): Call
978         handle_split_stack_section.
979         * reloc.cc (Sized_relobj::relocate_sections): Call
980         split_stack_adjust for executable sections in split_stack
981         objects.  Pass reloc_map to relocate_section.
982         (Sized_relobj::split_stack_adjust): New function.
983         (Sized_relobj::split_stack_adjust_reltype): New function.
984         (Sized_relobj::find_functions): New function.
985         * target-reloc.h: Include "object.h".
986         (relocate_section): Add reloc_symbol_changes parameter.  Change
987         all callers.
988         * target.h (class Target): Add calls_non_split method.  Declare
989         do_calls_non_split virtual method.  Declare match_view and
990         set_view_to_nop.
991         * target.cc: Include "elfcpp.h".
992         (Target::do_calls_non_split): New function.
993         (Target::match_view): New function.
994         (Target::set_view_to_nop): New function.
995         * gold.cc (queue_middle_tasks): Give an error if mixing
996         split-stack and non-split-stack objects with -r.
997         * i386.cc (Target_i386::relocate_section): Add
998         reloc_symbol_changes parameter.
999         (Target_i386::do_calls_non_split): New function.
1000         * x86_64.cc (Target_x86_64::relocate_section): Add
1001         reloc_symbol_changes parameter.
1002         (Target_x86_64::do_calls_non_split): New function.
1003         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
1004         parameter.
1005         * powerpc.cc (Target_powerpc::relocate_section): Add
1006         reloc_symbol_changes parameter.
1007         * sparc.cc (Target_sparc::relocate_section): Add
1008         reloc_symbol_changes parameter.
1009         * configure.ac: Call AM_CONDITIONAL for the default target.
1010         * configure: Rebuild.
1011         * testsuite/Makefile.am (TEST_AS): New variable.
1012         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
1013         (check_DATA): Add split_i386 and split_x86_64 files.
1014         (SPLIT_DEFSYMS): Define.
1015         (split_i386_[1234n].o): New targets.
1016         (split_i386_[124]): New targets.
1017         (split_i386_[1234r].stdout): New targets.
1018         (split_x86_64_[1234n].o): New targets.
1019         (split_x86_64_[124]): New targets.
1020         (split_x86_64_[1234r].stdout): New targets.
1021         (MOSTLYCLEANFILES): Add new executables.
1022         * testsuite/split_i386.sh: New file.
1023         * testsuite/split_x86_64.sh: New file.
1024         * testsuite/split_i386_1.s: New file.
1025         * testsuite/split_i386_2.s: New file.
1026         * testsuite/split_i386_3.s: New file.
1027         * testsuite/split_i386_4.s: New file.
1028         * testsuite/split_i386_n.s: New file.
1029         * testsuite/split_x86_64_1.s: New file.
1030         * testsuite/split_x86_64_2.s: New file.
1031         * testsuite/split_x86_64_3.s: New file.
1032         * testsuite/split_x86_64_4.s: New file.
1033         * testsuite/split_x86_64_n.s: New file.
1034         * testsuite/testfile.cc (Target_test): Update relocation_section
1035         function.
1036         * testsuite/Makefile.in: Rebuild.
1037
1038 2009-10-06  Ian Lance Taylor  <iant@google.com>
1039
1040         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
1041         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
1042         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
1043         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
1044         the address on ldo_addrs_.
1045         (Target_i386::Relocate::fix_up_ldo): New function.
1046
1047 2009-10-06   Rafael Espindola  <espindola@google.com>
1048
1049         * plugin.cc (add_input_library): New.
1050         (Plugin::load): Add add_input_library to tv.
1051         (Plugin_manager::add_input_file): Add the is_lib argument.
1052         (add_input_file): Update call to Plugin_manager::add_input_file.
1053         (add_input_library): New.
1054         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
1055
1056 2009-09-30  Doug Kwan  <dougkwan@google.com>
1057
1058         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
1059         symbol and call Symbol::may_need_copy_reloc to determine if
1060         a copy reloc is needed.
1061         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
1062         nocopyreloc is given in command line.
1063         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
1064         given in command line.
1065         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
1066         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
1067         of the removed Target_i386::may_need_copy_reloc.
1068         * options.h (copyreloc): New option with default value false.
1069         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
1070         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
1071         instead of the removed Target_powerpc::may_need_copy_reloc.
1072         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
1073         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
1074         instead of the removed Target_sparc::may_need_copy_reloc.
1075         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
1076         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
1077         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
1078         instead of the removed Target_x86_64::may_need_copy_reloc.
1079
1080 2009-09-30  Ian Lance Taylor  <iant@google.com>
1081
1082         * object.h (class Object): Remove target_ field, and target,
1083         sized_target, and set_target methods.
1084         (Object::sized_target): Remove.
1085         (class Sized_relobj): Update declarations.  Remove sized_target.
1086         * object.cc (Sized_relobj::setup): Remove target parameter.
1087         Change all callers.
1088         (Input_objects::add_object): Don't do anything with the target.
1089         (make_elf_sized_object): Add punconfigured parameter.  Change all
1090         callers.  Set or test parameter target.
1091         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
1092         Change all callers.
1093         * parameters.cc (Parameters::set_target): Change parameter type to
1094         be non-const.
1095         (Parameters::default_target): Remove.
1096         (set_parameters_target): Change parameter type to be non-const.
1097         (parameters_force_valid_target): New function.
1098         (parameters_clear_target): New function.
1099         * parameters.h (class Parameters): Update declarations.  Remove
1100         default_target method.  Add sized_target and clear_target
1101         methods.  Change target_ to be non-const.
1102         (set_parameters_target): Update declaration.
1103         (parameters_force_valid_target): Declare.
1104         (parameters_clear_target): Declare.
1105         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
1106         as NULL if we aren't searching.
1107         (Add_symbols::run): Don't check for compatible target.
1108         * fileread.cc (Input_file::open_binary): Call
1109         parameters_force_valid_target.
1110         * gold.cc (queue_middle_tasks): Likewise.
1111         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
1112         set_target on object.
1113         * dynobj.h (class Sized_dynobj): Update declarations.
1114         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
1115         make_elf_object returns NULL.
1116         (Archive::include_member): Don't check whether object target is
1117         compatible.
1118         * output.cc (Output_section::add_input_section): Get target from
1119         parameters.
1120         (Output_section::relax_input_section): Likewise.
1121         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
1122         parameters.
1123         (Sized_relobj::do_scan_relocs): Likewise.
1124         (Sized_relobj::relocate_sections): Likewise.
1125         * resolve.cc (Symbol_table::resolve): Likewise.
1126         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
1127         parameter.  Change all callers.
1128         (Symbol_table::add_from_object): Get target from parameters.
1129         (Symbol_table::add_from_relobj): Don't check object target.
1130         (Symbol_table::add_from_dynobj): Likewise.
1131         (Symbol_table::define_special_symbol): Get target from
1132         parameters.
1133         * symtab.h (class Symbol_table): Update declaration.
1134         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
1135         parameter.  Change all callers.  Clear parameter target.
1136         (Binary_test): Test target here.
1137         * testsuite/object_unittest.cc (gold_testsuite): Remove
1138         target_test_pointer parameter.  Change all callers.
1139         (Object_test): Test target here.
1140
1141 2009-09-26  Ian Lance Taylor  <iant@google.com>
1142
1143         * testsuite/initpri1.c: Don't try to use constructor priorities if
1144         compiling with gcc before 4.3.
1145
1146 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
1147
1148         * testsuite/retain_symbols_file_test.sh (check_present): Change
1149         output file name to retain_symbols_file_test.stdout.
1150         (check_absent): Likewise.
1151
1152 2009-09-18  Craig Silverstein  <csilvers@google.com>
1153
1154         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
1155         * options.cc: Include <cerrno> and <fstream>.
1156         (General_options::finalize): Parse -retain-symbols-file tag.
1157         * options.h: New flag.
1158         (General_options): New method should_retain_symbol, new
1159         variable symbols_to_retain.
1160         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
1161         should_retain_symbol map.
1162         * testsuite/Makefile.am (retain_symbols_file_test): New test.
1163         * testsuite/Makefile.in: Regenerate.
1164         * testsuite/retain_symbols_file_test.sh: New file.
1165
1166 2009-09-18  Nick Clifton  <nickc@redhat.com>
1167
1168         * po/es.po: Updated Spanish translation.
1169
1170 2009-09-17  Doug Kwan  <dougkwan@google.com>
1171
1172         * debug.h (DEBUG_RELAXATION): New constant.
1173         (DEBUG_ALL): Add DEBUG_RELAXATION.
1174         (debug_string_to_enum): Add relaxation debug option.
1175         * layout.cc
1176         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
1177         Layout::Relaxation_debug_check::read_sections,
1178         Layout::Relaxation_debug_check::read_sections): New method definitions.
1179         (Layout::Layout): Initialize data members
1180         record_output_section_data_from_scrips_,
1181         script_output_section_data_list_ and relaxation_debug_check_.
1182         (Layout::save_segments, Layout::restore_segments,
1183         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
1184         Layout::relaxation_loop_body): New method definitions.
1185         (Layout::finalize): Support relaxation.  Move section layout code to
1186         Layout::relaxation_loop_body.
1187         (Layout::set_asection_address_from_script): Move code for orphan
1188         section placement out.
1189         (Layout::place_orphan_sections_in_script): New method definition.
1190         * layout.h (Output_segment_headers, Output_file_header):
1191         New forward class declarations.
1192         (Layout::~Layout): Define.
1193         (Layout::new_output_section_data_from_script): New method definition.
1194         (Layout::place_orphan_sections_in_script): New method declaration.
1195         (Layout::Segment_states): New type declaration.
1196         (Layout::save_segments, Layout::restore_segments,
1197         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
1198         Layout::relaxation_loop_body): New method declarations.
1199         (Layout::Output_section_data_list): New type declaration.
1200         (Layout::Relaxation_debug_check): New class definition.
1201         (Layout::record_output_section_data_from_script_,
1202         Layout::script_output_section_data_list_, Layout::segment_states_,
1203         Layout::relaxation_debug_check_): New data members.
1204         * output.cc: (Output_section_headers::do_size): New method definition.
1205         (Output_section_headers::Output_section_headers): Move size
1206         computation to Output_section_headers::do_size.
1207         (Output_segment_headers::do_size): New method definition.
1208         (Output_file_header::Output_file_header): Move size computation to 
1209         Output_file_header::do_size and call it.
1210         (Output_file_header::do_size): New method definition.
1211         (Output_data_group::Output_data_group): Adjust call to
1212         Output_section_data.
1213         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
1214         (Output_symtab_xindex::do_write): Add array bound check.
1215         (Output_section::Input_section::print_to_mapfile): Handle
1216         RELAXED_INPUT_SECTION_CODE.
1217         (Output_section::Output_section): Initialize data member checkpoint_.
1218         (Output_section::~Output_section): Delete checkpoint object pointed
1219         by checkpoint_.
1220         (Output_section::add_input_section): Always add an Input_section if
1221         relaxing.
1222         (Output_section::add_merge_input_section): Add assert.
1223         (Output_section::relax_input_section): New method definition.
1224         (Output_section::set_final_data_size): Set load address to zero for
1225         an unallocated section.
1226         (Output_section::do_address_and_file_offset_have_reset_values):
1227         New method definition.
1228         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
1229         Handle relaxed input section.
1230         (Output_section::sort_attached_input_sections): Checkpoint input
1231         section list lazily.
1232         (Output_section::get_input_sections): Change type of input_sections to
1233         list of Simple_input_section pointers.  Checkpoint input section list
1234         lazily.  Also handle relaxed input sections.
1235         (Output_section::add_input_section_for_script): Take a reference to
1236         a Simple_input_section object instead of Relobj pointer and section
1237         index as parameter.  Handle relaxed input sections.
1238         (Output_section::save_states, Output_section::restore_states): New
1239         method definitions.
1240         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
1241         (Output_data::is_data_size_fixed): New method definition.
1242         (Output_data::reset_addresss_and_file_offset): Do not reset data size
1243         if it is fixed.
1244         (Output_data::address_and_file_offset_have_reset_values): New method
1245         definition.
1246         (Output_data::do_address_and_file_offset_have_reset_values): New method
1247         definition.
1248         (Output_data::set_data_size): Check that data size is not fixed.
1249         (Output_data::fix_data_size): New method definition.
1250         (Output_data::is_data_size_fixed_): New data member.
1251         (Output_section_headers::set_final_data_size): New method definition.
1252         (Output_section_headers::do_size): New method declaration.
1253         (Output_segment_headers::set_final_data_size): New method definition.
1254         (Output_segment_headers::do_size): New method declaration.
1255         (Output_file_header::set_final_data_size)::New method definition.
1256         (Output_file_header::do_size)::New method declaration.
1257         (Output_section_data::Output_section_data): Add new parameter
1258         is_data_size_fixed and use it to fix data size.
1259         (Output_data_const::Output_data_const): Adjust call to base class
1260         constructor and fix data size.
1261         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
1262         base class constructor and fix data size.
1263         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
1264         base class constructor and fix data size.
1265         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
1266         class constructor and fix data size.
1267         (Output_data_group::set_final_data_size): New method definition.
1268         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
1269         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
1270         class constructor and fix data size.
1271         (Output_relaxed_input_section): New class definition.
1272         (Output_section::Simple_input_section): New class definition.
1273         (Output_section::get_input_sections): Adjust parameter list.
1274         (Output_section::add_input_section_for_script): Same.
1275         (Output_section::save_states, Output_section::restore_states,
1276         Output_section::do_address_and_file_offset_have_reset_values,
1277         (Output_section::Input_section::Input_section): Handle
1278         RELAXED_INPUT_SECTION_CODE.  Add new overload for
1279         Output_relaxed_input_section.
1280         (Output_section::Input_section::is_input_section,
1281         Output_section::Input_section::set_output_section): Handle relaxed
1282         input section.
1283         (Output_section::Input_section::is_relaxed_input_section,
1284         Output_section::Input_section::output_section_data,
1285         Output_section::Input_section::relaxed_input_section): New method
1286         definitions.
1287         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
1288         value.
1289         (Output_section::Input_section::u1_): Update comments.
1290         (Output_section::Input_section::u2_): Add new union member poris.
1291         (Output_section::Checkpoint_output_section): New classs definition.
1292         (Output_section::relax_input_section): New method declaration.
1293         (Output_section::checkpoint_): New data member.
1294         (Output_segment): Update comments.
1295         (Output_segment::Output_segment): Un-privatize copy constructor.
1296         (Output_segment::operator=): Un-privatize.
1297         * script-sections.cc (Output_section_element::Input_section_list):
1298         Change element type to Output_section::Simple_input_section.
1299         (Output_section_element_dot_assignment::set_section_addresses):
1300         Register output section data for relaxation clean up.
1301         (Output_data_exression::Output_data_expression): Adjust call to base
1302         constructor to fix data size.
1303         (Output_section_element_data::set_section_addresses): Register
1304         Output_data_expression object for relaxation clean up.
1305         (struct Input_section_info): Replace Relobj pointer and section index
1306         pair with Output_section::Simple_input_section and Convert struct to a
1307         class.
1308         (Input_section_sorter::operator()): Adjust access to
1309         Input_section_info data member to use accessors. 
1310         (Output_section_element_input::set_section_addresses): Use layout
1311         parameter.  Adjust code to use Output_section::Simple_input_section
1312         and Input_secction_info classes.  Register filler for relaxation
1313         clean up.
1314         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
1315         and section index pair with Output_section::Simple_input_section
1316         class.  Adjust code accordingly.
1317         (Phdrs_element::release_segment): New method definition.
1318         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
1319         segment list.
1320         (Script_sections::release_segments): New method definition.
1321         * gold/script-sections.h (Script_sections::release_segments): New
1322         method declaration.
1323         * gold/target.h (Target::may_relax, Target::relax,
1324         Target::do_may_relax, Target::do_relax): New method definitions.
1325
1326 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1327
1328         * arm.cc (has_signed_unsigned_overflow): New function.
1329         (Arm_relocate_functions::abs8): New function.
1330         (Target_arm::Scan::local): Handle R_ARM_ABS8.
1331         (Target_arm::Scan::global): Likewise.
1332         (Target_arm::relocate::relocate): Likewise.
1333         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1334         Likewise.
1335
1336 2009-09-16  Cary Coutant  <ccoutant@google.com>
1337
1338         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
1339         * testsuite/Makefile.in: Regenerate.
1340
1341 2009-09-11  Nick Clifton  <nickc@redhat.com>
1342
1343         * po/gold.pot: Updated by the Translation project.
1344
1345 2009-09-08  Cary Coutant  <ccoutant@google.com>
1346
1347         * output.cc (Output_file::open): Add execute permission to empty file.
1348         * testsuite/Makefile.am (permission_test): New test.
1349         * testsuite/Makefile.in: Regenerate.
1350
1351 2009-09-02  Ian Lance Taylor  <iant@google.com>
1352
1353         * output.cc (Output_file::resize): Call map_no_anonymous rather
1354         than map.
1355
1356 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
1357
1358         * gold.cc: Include "incremental.h".
1359         (queue_initial_tasks): Call Incremental_checker methods.
1360         * incremental.cc: Include "output.h".
1361         (Incremental_checker::can_incrementally_link_output_file): New
1362         method.
1363         * incremental.h (Incremental_checker): New class.
1364
1365         * output.cc (Output_file::open_for_modification): New method.
1366         (Output_file::map_anonymous): Changed return type to bool.  Record
1367         map in base_ field.
1368         (Output_file::map_no_anonymous): New method, broken out of map.
1369         (Output_file::map): Use map_no_anonymous and map_anonymous.
1370         * output.h (class Output_file): Update declarations.
1371
1372 2009-08-24  Cary Coutant  <ccoutant@google.com>
1373
1374         * options.h (Command_line::Pre_options): New class.
1375         (Command_line::pre_options): New member.
1376         * options.cc (gold::options::ready_to_register): New variable.
1377         (One_option::register_option): Do nothing if not registering options.
1378         Assert if same short option registered twice.
1379         (General_options::General_options): Turn off option registration when
1380         done constructing.
1381         (Command_line::Pre_options::Pre_options): New constructor.
1382
1383 2009-08-24  Cary Coutant  <ccoutant@google.com>
1384
1385         * options.h (General_options::no_keep_memory): Remove incorrect
1386         short option.
1387
1388 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1389
1390         * Makefile.am (am__skiplex, am__skipyacc): New.
1391         * Makefile.in: Regenerate.
1392
1393 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1394
1395         * Makefile.am (AM_CPPFLAGS): Renamed from ...
1396         (INCLUDES): ... this.
1397         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
1398         (AM_CPPFLAGS): Renamed from ...
1399         (INCLUDE): ... this.
1400         * Makefile.in, testsuite/Makefile.in: Regenerate.
1401
1402         * Makefile.in: Regenerate.
1403         * aclocal.m4: Likewise.
1404         * config.in: Likewise.
1405         * configure: Likewise.
1406         * testsuite/Makefile.in: Likewise.
1407
1408         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
1409         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
1410         * Makefile.in: Regenerate.
1411         * testsuite/Makefile.in: Regenerate.
1412
1413 2009-08-19  Cary Coutant  <ccoutant@google.com>
1414
1415         * resolve.cc (Symbol_table::resolve): Don't complain about defined
1416         symbols in shared libraries overridden by hidden or internal symbols
1417         in the main program.
1418
1419 2009-08-19  Chris Demetriou  <cgd@google.com>
1420
1421         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
1422         checking source file names in error messages.
1423
1424 2009-08-18  Doug Kwan  <dougkwan@google.com>
1425
1426         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
1427         an elcpp::Ehdr as parameter.  Adjust call to set_target.
1428         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
1429         an elfcpp::Ehdr as parameter.
1430         * object.cc (Object::set_target): Remove the version that looks up
1431         a target and sets it.
1432         (Sized_relobj::setup): Take a Target object instead of
1433         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
1434         (make_elf_sized_object): Find target and ask target to
1435         make an ELF object.
1436         * object.h: (Object::set_target): Remove the version that looks up
1437         a target and sets it.
1438         (Sized_relobj::setup): Take a Target object instead of
1439         an elfcpp:Ehdr as parameter.
1440         * target.cc: Include dynobj.h.
1441         (Target::do_make_elf_object_implementation): New.
1442         (Target::do_make_elf_object): New.
1443         * target.h (Target::make_elf_object): New template declaration.
1444         (Target::do_make_elf_object): New method declarations.
1445         (Target::do_make_elf_object_implementation): New template declaration.
1446
1447 2009-08-14  Ian Lance Taylor  <iant@google.com>
1448
1449         * gold.h (FUNCTION_NAME): Define.
1450         (gold_unreachable): Use FUNCTION_NAME.
1451
1452 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
1453
1454         * icf.cc (Icf::find_identical_sections): Issue a warning when a
1455         symbol in the --keep-unique list is not found.
1456
1457 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
1458
1459         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
1460         been maked as --keep-unique.
1461         (Icf::unfold_section): New function.
1462         * icf.h (Icf::unfold_section): New function.
1463         * options.h (General_options::keep_unique): New option.
1464         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
1465         * testsuite/Makefile.in: Regenerate.
1466         * testsuite/icf_keep_unique_test.sh: New file.
1467         * testsuite/icf_keep_unique_test.cc: New file.
1468
1469 2009-08-12  Cary Coutant  <ccoutant@google.com>
1470
1471         PR 10471
1472         * resolve.cc (Symbol_table::resolve): Check for references from
1473         dynamic objects to hidden and internal symbols.
1474         * testsuite/Makefile.am (hidden_test.sh): New test.
1475         * testsuite/Makefile.in: Regenerate.
1476         * testsuite/hidden_test.sh: New script.
1477         * testsuite/hidden_test_1.c: New test source.
1478         * testsuite/hidden_test_main.c: New test source.
1479
1480 2009-08-11  Doug Kwan  <dougkwan@google.com>
1481
1482         * arm.cc: Update comments.
1483         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
1484         segment to locate the .ARM.exidx section if present.
1485
1486 2009-08-09  Doug Kwan  <dougkwan@google.com>
1487
1488         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
1489         patch.
1490
1491 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
1492         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
1493         compiler warnings.
1494
1495 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
1496
1497         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
1498         valid tls_segment only for non-debug-section relocations.
1499         * testsuite/Makefile.am: Add gc_tls_test.
1500         * testsuite/Makefile.in: Regenerate.
1501         * testsuite/gc_tls_test.cc: New file.
1502         * testsuite/gc_tls_test.sh: New file.
1503
1504 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
1505         
1506         * icf.cc: New file.
1507         * icf.h: New file.
1508         * Makefile.am (CCFILES): Add icf.cc.
1509         (HFILES): Add icf.h
1510         * Makefile.in: Regenerate.
1511         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
1512         * gc.h (gc_process_relocs): Populate lists used by icf to contain
1513         section, symbol and addend information for the relocs.
1514         * gold.cc (queue_middle_tasks): Call identical code folding.
1515         * gold.h: Add defines for multimap.
1516         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
1517         to the call of finalize_local_symbols.
1518         * main.cc (main): Create object of class Icf.
1519         * object.cc (Sized_relobj::do_layout): Allow this function to be
1520         called twice during icf.
1521         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
1522         to sections marked as identical by icf.
1523         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
1524         when available.
1525         (Sized_relobj::do_section_entsize): New function.
1526         * object.h (Object::section_entsize): New function.
1527         (Object::do_section_entsize): New pure virtual function.
1528         (Relobj::finalize_local_symbols): Add new parameter.
1529         (Relobj::do_section_entsize): New function.
1530         * options.h (General_options::icf): New option.
1531         (General_options::icf_iterations): New option.
1532         (General_options::print_icf_sections): New option.
1533         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
1534         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
1535         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
1536         icf.
1537         * symtab.cc (Symbol_table::is_section_folded): New function.
1538         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
1539         to sections marked as identical by icf.
1540         * symtab.h (Symbol_table::set_icf): New function.
1541         (Symbol_table::icf): New function.
1542         (Symbol_table::is_section_folded): New function.
1543         (Symbol_table::icf_): New data member.
1544         * target-reloc.h (relocate_section): Ignore sections folded by icf.
1545         * testsuite/Makefile.am: Add commands to build icf_test.
1546         * testsuite/Makefile.in: Regenerate.
1547         * testsuite/icf_test.sh: New file.
1548         * testsuite/icf_test.cc: New file.
1549
1550 2009-07-24  Chris Demetriou  <cgd@google.com>
1551
1552         * layout.cc (is_compressible_debug_section): Fix incorrect
1553         comment about compressed section names.
1554
1555 2009-07-20  Ian Lance Taylor  <ian@airs.com>
1556
1557         PR 10419
1558         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
1559
1560 2009-07-16  Ian Lance Taylor  <iant@google.com>
1561
1562         PR 10400
1563         * layout.h: #include <map>.
1564         (class Kept_section): Change from struct to class.  Add accessors
1565         and setters.  Add section size to Comdat_group mapping.  Change
1566         Comdat_group to std::map.  Add is_comdat_ field.  Add
1567         linkonce_size field in union.
1568         (class Layout): Update declaration of find_or_add_kept_section.
1569         Don't declare find_kept_object.
1570         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
1571         parameter.  Add object, shndx, is_comdat, and is_group_name
1572         parameters.  Change all callers.  Adjust for new Kept_section.
1573         (Layout::find_kept_object): Remove.
1574         * object.cc (Sized_relobj::include_section_group): Update use of
1575         Kept_section.  Rename secnum to shndx.  Only record
1576         Kept_comdat_section if sections are the same size.
1577         (Sized_relobj::include_linkonce_section): Update use of
1578         Kept_section.  Only record Kept_comdat_section if sections are the
1579         same size.  Set size of linkonce section.
1580         (Sized_relobj::map_to_kept_section): Update call to
1581         get_kept_comdat_section.
1582         * object.h (class Sized_relobj): Rename fields in
1583         Kept_comdat_section to drop trailing underscores; change object
1584         field to Relobj*.  Change Kept_comdat_section_table to store
1585         struct rather than pointer.
1586         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
1587         Add kept_object and kept_shndx parameters.  Change all callers.
1588         (Sized_relobj::get_kept_comdat_section): Change return type to
1589         bool.  Add kept_object and kept_shndx parameters.  Change all
1590         callers.
1591         * plugin.cc (Pluginobj::include_comdat_group): Update call to
1592         Layout::find_or_add_kept_section.
1593
1594 2009-07-09  Ian Lance Taylor  <iant@google.com>
1595
1596         * merge.cc (Object_merge_map::initialize_input_to_output_map):
1597         Reserve space in the hash table.
1598
1599 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
1600
1601         * fileread.cc (File_read::get_mtime): New method.
1602         * fileread.h (Timespec): New structure.
1603         (File_read::get_mtime): New method.
1604         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
1605         Renamed from timestamp_nsec.
1606         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
1607         Elf_Xword.
1608         (Incremental_inputs_entry_write::timestamp_usec): Renamed from 
1609         timestamp_nsec.
1610         (Incremental_inputs::report_archive): Save mtime; style fix. 
1611         (Incremental_inputs::report_obejct): Save mtime; style fix.
1612         (Incremental_inputs::report_script): Save mtime; style fix.
1613         (Incremental_inputs::finalize_inputs): Style fix.
1614         (Incremental_inputs::finalize): Style fix.
1615         (Incremental_inputs::create_input_section_data): Store inputs
1616         mtime.
1617         * incremental.h (Incremental_inputs::report_script): Add mtime
1618         argument.
1619         (Incremental_inputs::Input_info::Input_info): Intialize only one
1620         union member.
1621         (Incremental_inputs::Input_info::archive): Move to nameless
1622         union.
1623         (Incremental_inputs::Input_info::obejct): Move to nameless union.
1624         (Incremental_inputs::Input_info::script): Move to nameless union.
1625         (Incremental_inputs::mtime): New field.
1626         * script.cc (read_input_script): Pass file mtime to
1627         Incremental_input.
1628         * script.h (Script_info::inputs): Style fix.
1629
1630 2009-07-01  Ian Lance Taylor  <ian@airs.com>
1631
1632         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
1633         instead of 32.
1634
1635 2009-06-24  Ian Lance Taylor  <iant@google.com>
1636
1637         PR 10156
1638         * layout.cc (Layout::choose_output_section): If we find an
1639         existing section, update the flags.
1640         (Layout::create_notes): New function, broken out of
1641         Layout::finalize.
1642         (Layout::finalize): Don't create note sections.
1643         (Layout::create_note): Don't crash if linker script discards
1644         section.
1645         (Layout::create_gold_note): Likewise.
1646         (Layout::create_build_id): Likewise.  Don't set
1647         after_input_sections on the section.
1648         (Layout::create_executable_stack_info): Remove target parameter.
1649         Change caller.
1650         * layout.h (class Layout): Declare create_notes.  Update
1651         declaration of create_executable_stack_info.
1652         * gold.cc (queue_middle_tasks): Call create_notes.
1653         * output.cc (Output_section::update_flags_for_input_section): Move
1654         here from output.h.  If SHF_ALLOC flag is newly set, mark address
1655         invalid.
1656         * output.h (Output_data::mark_address_invalid): New function.
1657         (class Output_section): Only declare, not define,
1658         update_flags_for_input_section.  Remove set_flags.
1659
1660 2009-06-24  Ian Lance Taylor  <iant@google.com>
1661
1662         * script-sections.cc (Output_section_definition::
1663         set_section_addresses): Rename shadowing local load_address to
1664         laddr.
1665
1666 2009-06-24  Ian Lance Taylor  <iant@google.com>
1667
1668         PR 10244
1669         * reloc.cc (relocate_sections): Skip empty relocation sections.
1670
1671 2009-06-23  Ian Lance Taylor  <iant@google.com>
1672
1673         PR 10156
1674         * layout.cc (Layout::create_note): Use choose_output_section
1675         rather than make_output_section.
1676
1677 2009-06-23  Ian Lance Taylor  <iant@google.com>
1678
1679         PR 10237
1680         * options.cc (General_options::parse_V): Set printed_version_.
1681         (General_options::General_options): Initialize printed_version_.
1682         * options.h (class General_options): Add printed_version_ field.
1683         * gold.cc (queue_initial_tasks): If there are no input files,
1684         don't give a fatal error if we printed the version information.
1685         (queue_middle_tasks): If using -r with a shared object, give a
1686         fatal error rather than an ordinary error.
1687
1688 2009-06-23  Ian Lance Taylor  <iant@google.com>
1689
1690         PR 10219
1691         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
1692         (Layout::make_output_section): Set have_stabstr_section_ if we see
1693         a .stab*str section.
1694         (Layout::finalize): Call link_stabs_sections.
1695         (Layout::link_stabs_sections): New file.
1696         * layout.h (class Layout): Add have_stabstr_section_ field.
1697         Declare link_stabs_sections.
1698
1699 2009-06-23  Doug Kwan  <dougkwan@google.com>
1700
1701         * Makefile.am (libgold_a_LIBADD): New.
1702         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
1703         * Makefile.in: Regenerate.
1704         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
1705         * configure: Regenerate.
1706         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
1707         * fileread.cc: Include sys/state.h
1708         * gold.h: Declare memmem and strndup if found missing.
1709         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
1710
1711 2009-06-23  Ian Lance Taylor  <iant@google.com>
1712
1713         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
1714         * configure: Rebuild.
1715
1716 2009-06-23  Ian Lance Taylor  <iant@google.com>
1717
1718         PR 10147
1719         * object.cc (Object::section_contents): Don't try to get a view if
1720         the section has length zero.
1721         (Object::handle_gnu_warning_section): If the section is empty, use
1722         the name of the section as the warning.
1723
1724 2009-06-23  Ian Lance Taylor  <iant@google.com>
1725
1726         PR 10133
1727         * stringpool.h (class Stringpool_template): Add optimize_ field.
1728         (Stringpool_template::set_optimize): New function.
1729         * stringpool.cc (Stringpool_template::Stringpool_template):
1730         Initialize optimize_ field.
1731         (Stringpool_template::set_string_offsets): Test local optimize
1732         fild rather than parameter.
1733         * layout.cc (Layout::Layout): Call set_optimize on the section
1734         name stringpool.
1735
1736 2009-06-22  Ian Lance Taylor  <iant@google.com>
1737
1738         PR 10030
1739         * yyscript.y: Parse TARGET.
1740         * script.cc (script_set_target): New function.
1741         * script-c.h (script_set_target): Declare.
1742         * options.cc (General_options::string_to_object_format): Rename
1743         from string_to_object_format in anonymous namespace.  Change
1744         callers.
1745         * options.h (class General_options): Declare
1746         string_to_object_format.
1747
1748 2009-06-22  Ian Lance Taylor  <iant@google.com>
1749
1750         * script-sections.cc (Script_sections::create_segments): Don't put
1751         program headers in a PT_LOAD segment if -n or -N.
1752
1753 2009-06-22  Ian Lance Taylor  <iant@google.com>
1754
1755         PR 10141
1756         * options.h (class General_options): Add -z lazy and -z now.  Sort
1757         -z options into alphabetical order.
1758         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
1759
1760 2009-06-21  Ian Lance Taylor  <iant@google.com>
1761
1762         * layout.cc (Layout::make_output_section): Call
1763         Target::new_output_section.
1764         (Layout::attach_allocated_section_to_segment): Put large section
1765         sections in a separate load segment with the large segment flag
1766         set.
1767         (Layout::segment_precedes): Sort large data segments after other
1768         load segments.
1769         (align_file_offset): New static function.
1770         (Layout::set_segment_offsets): Use align_file_offset.
1771         * output.h (class Output_section): Add is_small_section_ and
1772         is_large_section_ fields.
1773         (Output_section::is_small_section): New function.
1774         (Output_section::set_is_small_section):  New function.
1775         (Output_section::is_large_section): New function.
1776         (Output_section::set_is_large_section): New function.
1777         (Output_section::is_large_data_section): New function.
1778         (class Output_segment): Add is_large_data_segment_ field.
1779         (Output_segment::is_large_data_segment): New function.
1780         (Output_segment::set_is_large_data_segment): New function.
1781         * output.cc (Output_section::Output_section): Initialize new
1782         fields.
1783         (Output_segment::Output_segment): Likewise.
1784         (Output_segment::add_output_section): Add assertion that large
1785         data sections always go in large data segments.  Force small data
1786         sections to the end of the list of data sections.  Force small BSS
1787         sections to the start of the list of BSS sections.  For large BSS
1788         sections to the end of the list of BSS sections.
1789         * symtab.h (class Symbol): Declare is_common_shndx.
1790         (Symbol::is_defined): Check Symbol::is_common_shndx.
1791         (Symbol::is_common): Likewise.
1792         (class Symbol_table): Define enum Commons_section_type.  Update
1793         declarations.  Add small_commons_ and large_commons_ fields.
1794         * symtab.cc (Symbol::is_common_shndx): New function.
1795         (Symbol_table::Symbol_table): Initialize new fields.
1796         (Symbol_table::add_from_object): Put small and large common
1797         symbols in the right list.
1798         (Symbol_table::sized_finalized_symbol): Check
1799         Symbol::is_common_shndx.
1800         (Symbol_table::sized_write_globals): Likewise.
1801         * common.cc (Symbol_table::do_allocate_commons): Allocate new
1802         common symbol lists.  Don't call do_allocate_commons_list if the
1803         list is empty.
1804         (Symbol_table::do_allocate_commons_list): Remove is_tls
1805         parameter.  Add comons_section_type parameter.  Change all
1806         callers.  Handle small and large common symbols.
1807         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
1808         Symbol::is_common_shndx.
1809         * resolve.cc (symbol_to_bits): Likewise.
1810         * target.h (Target::small_common_shndx): New function.
1811         (Target::small_common_section_flags): New function.
1812         (Target::large_common_shndx): New function.
1813         (Target::large_common_section_flags): New function.
1814         (Target::new_output_section): New function.
1815         (Target::Target_info): Add small_common_shndx, large_common_shndx,
1816         small_common_section_flags, and large_common_section_flags
1817         fields.
1818         (Target::do_new_output_section): New virtual function.
1819         * arm.cc (Target_arm::arm_info): Initialize new fields.
1820         * i386.cc (Target_i386::i386_info): Likewise.
1821         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
1822         Likewise.
1823         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
1824         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
1825         (Target_x86_64::do_new_output_section): New function.
1826         * configure.ac: Define conditional MCMODEL_MEDIUM.
1827         * testsuite/Makefile.am (check_PROGRAMS): Add large.
1828         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
1829         (large_LDFLAGS): Define.
1830         * testsuite/large.c: New file.
1831         * testsuite/testfile.cc (Target_test::test_target_info):
1832         Initialize new fields.
1833         * configure, testsuite/Makefile.in: Rebuild.
1834
1835 2009-06-05  Doug Kwan  <dougkwan@google.com>
1836
1837         * Makefile.am (CCFILES): Add target.cc.
1838         * Makefile.in: Regenerate. 
1839         * i386.cc (class Target_i386): Define new virtual method to
1840         override do_is_local_label_name in parent.
1841         * object.cc (Sized_relobj::do_count_local_symbols): Discard
1842         local symbols if --discard-locals or -X is given.
1843         * options.h (class General_options): Declare new options
1844         '--discard-locals' and '-X' for discarding locals.
1845         * target.h (class Target): Define new methods is_local_label_name.
1846         Declare new virtual method do_is_local_label_name.
1847         * target.cc: New file.
1848         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
1849         (check_SCRIPTS): Add discard_locals_test.sh.
1850         (check_DATA): Add discard_local_tests.syms.
1851         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
1852         (discard_local_tests.syms, discard_locals_test.o): New make rules.
1853         * testsuite/Makefile.in: Regenerate.
1854         * testsuite/discard_locals_test.c: New file.
1855         * testsuite/discard_locals_test.sh: Same.
1856
1857 2009-06-05  Doug Kwan  <dougkwan@google.com>
1858
1859         * object.cc (Sized_relobj::Sized_relobj): Initialize
1860         discarded_eh_frame_shndx_ to -1U.
1861         (Sized_relobj::do_layout): Record index of a discard .eh_frame
1862         section.
1863         (Sized_relobj::do_count_local_symbols): Skip local symbols in
1864         a discarded .eh_frame section.
1865         (Sized_relobj::do_finalize_local_symbols): Ditto.
1866         * object.h (class Sized_relobj): Declare new member
1867         discarded_eh_frame_shndx_.
1868         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
1869         (local_labels_test.o, local_labels_test): New rules.
1870         * testsuite/Makefile.in: Regenerate.
1871
1872 2009-06-04  Doug Kwan  <dougkwan@google.com>
1873
1874         * layout.cc (Layout::section_name_mapping): Add mapping for
1875         special ARM sections.
1876
1877 2009-06-03  Doug Kwan  <dougkwan@google.com>
1878
1879         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
1880         (utils::has_overflow): Same.
1881
1882 2009-06-03  Ian Lance Taylor  <iant@google.com>
1883
1884         * layout.cc (Layout::section_name_mapping): New array, replacing
1885         Layout::linkonce_mapping.
1886         (Layout::section_name_mapping_count): New variable, replacing
1887         Layout::linkonce_mapping_count.
1888         (Layout::linkonce_output_name): Remove.
1889         (Layout::output_section_name): Rewrite.
1890         * layout.h (class Layout): Rename Linkonce_mapping to
1891         Section_name_mapping, linkonce_mapping to section_name_mapping,
1892         linkonce_mapping_count to section_name_mapping_count.  Don't
1893         declare linkonce_output_name.
1894
1895 2009-06-03  Doug Kwan  <dougkwan@google.com>
1896
1897         * gold/arm.cc (namespace utils): New.
1898         (Target_arm::reloc_is_non_pic): Define new method.
1899         (class Arm_relocate_functions): New.
1900         (Target_arm::Relocate::relocate): Handle relocation types used by
1901         Android.
1902
1903 2009-06-03  Ian Lance Taylor  <iant@google.com>
1904
1905         * arm.cc (Target_arm::scan::global): Use || instead of |.
1906
1907 2009-06-02  Doug Kwan  <dougkwan@google.com>
1908
1909         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
1910         issued_non_pic_error_.
1911         (class Target_arm::Scan): Declare new method check_non_pic.
1912         Define new method symbol_needs_plt_entry.
1913         Declare new data member issued_non_pic_error_.
1914         (class Target_arm::Relocate): Declare new method
1915         should_apply_static_reloc.
1916         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
1917         (Target_arm::Scan::check_non_pic): Define new method.
1918         (Target_arm::Scan::local): Handle a small subset of reloc types used
1919         by Android.
1920         (Target_arm::Scan::local): Same.
1921         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
1922
1923 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
1924
1925         * incremental.cc (Incremental_inputs::report_command_line): Filter
1926         out --incremental-* options.
1927
1928 2009-05-29  Doug Kwan  <dougkwan@google.com>
1929
1930         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
1931         template class.
1932         (class Target_arm): Update comment.
1933         (Target_arm::Target_arm): Initialize new data members GOT_,
1934         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
1935         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
1936         and Target_arm::rel_dyn_section.
1937         Declare new_enum Target_arm::Got_type.
1938         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
1939         and DYNBSS_.
1940         Update commments for member do_dynsym_value.
1941         (Target_arm::got_size, Target_arm::plt_section,
1942         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
1943         new methods inside class defintion.
1944         (Target_arm::got_section): Define new method.
1945         (Target_arm::rel_dyn_section): Same.
1946         (Output_data_plt_arm): New template class.
1947         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
1948         (Output_data_plt_arm:do_adjust_output_section): Define new method.
1949         (Output_data_plt_arm::add_entry): Same.
1950         (Output_data_plt_arm::first_plt_entry): Define new
1951         static data member for PLT instruction template.
1952         (Output_data_plt_arm::plt_entry): Same.
1953         (Output_data_plt_arm::do_write): Define new method.
1954         (Target_arm::make_plt_entry): Same.
1955         (Target_arm::do_finalize_sections): Same.
1956         (Target_arm::do_dynsym_value): Same.
1957
1958 2009-05-28  Doug Kwan  <dougkwan@google.com>
1959
1960         * Makefile.am (TARGETSOURCES): Add arm.cc.
1961         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
1962         * Makefile.in: Regenerate.
1963         * arm.cc: New file.
1964         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
1965
1966 2009-05-26  Doug Kwan  <dougkwan@google.com>
1967
1968         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
1969         (General_options::check_excluded_libs): Strip off directories in
1970         archive name before matching like GNU ld does.
1971         * testsuite/Makefile.am (MOSTLYCLEANFILES,
1972         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
1973         (exclude_libs_test_LDFLAGS): Add linker option
1974         -Wl,--exclude-libs,libexclude_libs_test_3
1975         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
1976         an explicit archive without using -l.
1977         (alt/libexclude_libs_test_3.a): New make rule.
1978         * testsuite/Makefile.in: Regenerate.
1979         * testsuite/exclude_libs_test.c : Declare lib3_default().
1980         (main): Call it.
1981         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
1982         * exclude_libs_test_3.c: New file.
1983
1984 2009-05-26  Nick Clifton  <nickc@redhat.com>
1985
1986         * po/id.po: New Indonesian translation.
1987         * po/gold.pot: Updated template file.
1988
1989 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
1990
1991         * testsuite/Makefile.am: Add -ffunction-sections to compile 
1992         gc_comdat_test files.  Add -Wl,--gc-sections to build
1993         gc_comdat_test.
1994         * testsuite/Makefile.in: Regenerate.
1995         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
1996
1997 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
1998
1999         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
2000         kept comdat section was garbage collected.
2001         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
2002         * testsuite/Makefile.in: Regenerate.
2003         * testsuite/gc_comdat_test.sh: New file.
2004         * testsuite/gc_comdat_test_1.cc: New file.
2005         * testsuite/gc_comdat_test_2.cc: New file.
2006
2007 2009-05-19  Doug Kwan  <dougkwan@google.com>
2008
2009         * archive.cc (Archive::Archive): Move constructor from archive.h
2010         to here.  Initialize no_export_.
2011         (Archive::get_elf_object_for_member): Set no_export flag of object.
2012         * archive.h (Archive::Archive): Move constructor body to
2013         archive.cc.
2014         (Archive::no_export): New method.
2015         (Archive::no_export_): New field.
2016         * object.h (Object::Object): Initialize no_export_ to false.
2017         (Object::no_export, Object::set_no_export): New methods.
2018         (Object::no_export_): New field.
2019         * options.cc (General_options::parse_exclude_libs): New method.
2020         (General_options::check_excluded_libs) Same.
2021         * options.h (exclude_libs): New option.
2022         (General_options::check_excluded_libs): New method declaration.
2023         (General_options::excluded_libs_): New field.
2024         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
2025         default or protected visibility if an object has no-export flag set.
2026         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
2027         (check_SCRIPTS): Add exclude_libs_test.sh.
2028         (check_DATA): Add exclude_libs_test.syms.
2029         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
2030         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
2031         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
2032         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
2033         (exclude_libs_test.syms, libexclude_libs_test_1.a,
2034         libexclude_libs_test_2.a): New rules.
2035         * testsuite/Makefile.in: Regenerate.
2036         * testsuite/exclude_libs_test.c: New file.
2037         * testsuite/exclude_libs_test.sh: Ditto.
2038         * testsuite/exclude_libs_test_1.c: Ditto.
2039         * testsuite/exclude_libs_test_2.c: Ditto.
2040
2041 2009-05-15  Ian Lance Taylor  <iant@google.com>
2042
2043         * configure.ac: Check for declarations for cases where libiberty.h
2044         checks HAVE_DECL_xxx.
2045         * configure, config.in: Rebuild.
2046
2047 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
2048
2049         * gold.h (Incremental_argument_list): Remove (invalid) forward
2050         declaration.
2051         * incremental.cc (Incremental_inputs::report_achive): New method.
2052         (Incremental_inputs::report_object): New method.
2053         (Incremental_inputs::report_script): New method.
2054         (Incremental_inputs::finalize_inputs): New method.
2055         (Incremental_inputs::finalize): Call finalize_inputs().
2056         (Incremental_inputs::sized_create_incremental_inputs_section_data):
2057         Create inputs entries.
2058         * incremental.h (Incremental_input_type): New enum.
2059         (Incremental_inputs::Incremental_input): Initialize new fields.
2060         (Incremental_inputs::report_inputs): New method.
2061         (Incremental_inputs::report_achive): New method.
2062         (Incremental_inputs::report_object): New method.
2063         (Incremental_inputs::report_script): New method.
2064         (Incremental_inputs::finalize_inputs): New method.
2065         (Incremental_inputs::Input_info): New struct.
2066         (Incremental_inputs::Input_info_map): New typedef.
2067         (Incremental_inputs::lock_): New field.
2068         (Incremental_inputs::Inputs_): New field.
2069         (Incremental_inputs::Inputs_map): New field.
2070         * main.cc (main): Call Incremental_input::report_inputs.
2071         * options.h (Input_argument_list): Typedef moved from
2072         Input_arguments.
2073         (Input_file_group::Files): Remove, use ::Input_argument_list.
2074         (Input_file_group::Input_argument_list): Remove, use
2075         ::Input_argument_list.
2076         * plugin.cc (Plugin_manager::add_input_file): Add error in
2077         incremental build.
2078         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
2079         functions.
2080         * script.cc (read_input_script): Call
2081         Incremental_input::report_script.
2082         * script.h (Script_info): New class.
2083
2084 2009-04-27  Ian Lance Taylor  <iant@google.com>
2085
2086         * x86_64.cc (do_adjust_output_section): Set entsize to
2087         plt_entry_size.
2088
2089 2009-04-23  Elliott Hughes  <enh@google.com>
2090
2091         * output.cc (Output_file::close): After short writes, continue
2092         writing from the correct offset in the buffer being written.
2093
2094 2009-04-23  Chris Demetriou  <cgd@google.com>
2095
2096         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
2097         * configure: Regenerate.
2098         * config.in: Regenerate.
2099         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
2100         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
2101
2102 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
2103
2104         * incremental.cc (Incremental_inputs_header_data): Renamed from
2105         Incremental_input_header_data.
2106         (Incremental_inputs_header_data::data_size): New field.
2107         (Incremental_inputs_header_data::put_input_file_count): Renamed
2108         from input_file_count.
2109         (Incremental_inputs_header_data::put_command_line_offset): Renamed
2110         from command_line_offset.
2111         (Incremental_inputs_header_data::put_reserved): Renamed from
2112         put_reserved.
2113         (Incremental_inputs_entry_data): Renamed from
2114         Incremental_input_entry_data.
2115         (Incremental_inputs_entry_data::data_size): New field.
2116         (Incremental_inputs::report_command_line): New method.
2117         (Incremental_inputs::finalize): New method.
2118         (Incremental_inputs::create_incremental_inputs_data): New method.
2119         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
2120         * incremental.h: New file.
2121         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
2122        (Layout::finalize): Create incremental inputs section in
2123         incremental builds.
2124        (Layout::create_incremental_info_sections): New method.
2125         * layout.h (Layout::incremental_inputs): New method.
2126        (Layout::create_incremental_info_sections): New method.
2127        (Layout::incremental_inputs_): New field.
2128         * main.cc (main): Notify Incremental_input of the command line.
2129
2130 2009-04-01  Ian Lance Taylor  <iant@google.com>
2131             Mikolaj Zalewski  <mikolajz@google.com>
2132
2133         * gold.h (reserve_unordered_map): Define, three versions, one for
2134         each version of Unordered_map.
2135         * layout.cc (Layout::Layout): Remove options parameter.  Add
2136         number_of_input_files parameter.  Don't initialize options_.
2137         Initialize number_of_input_files_ and resized_signatures_.  Move
2138         sections_are_attached_.
2139         (Layout::layout_group): Reserve space for group_signatures_.
2140         (Layout::find_or_add_kept_section): Change name parameter to be a
2141         reference.  Resize signatures_ map when it gets large enough.
2142         (Layout::layout_eh_frame): Use parameters->options() instead of
2143         this->options_.
2144         (Layout::make_output_section): Likewise.
2145         (Layout::attach_allocated_section_to_segment): Likewise.
2146         (Layout::finalize, Layout::create_executable_stack): Likewise.
2147         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
2148         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
2149         * layout.h (class Layout): Update declarations.  Remove options_
2150         field.  Add number_of_input_files_ and resized_signatures_
2151         fields.  Move sections_are_attached_ field.
2152         * main.cc (main): Pass number of input files to Layout
2153         constructor.  Don't pass options.
2154
2155 2009-03-30  Ian Lance Taylor  <iant@google.com>
2156
2157         * ffsll.c (ffsll): Correct implementation.
2158
2159 2009-03-27  Ian Lance Taylor  <iant@google.com>
2160
2161         * ffsll.c: New file.
2162         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
2163         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
2164         * ftruncate.c (ftruncate): Declare before definition.
2165         * mremap.c (mremap): Likewise.
2166         * pread.c (pread): Likewise.
2167         * configure, Makefile.in, config.in: Rebuild.
2168
2169         * mremap.c: New file.
2170         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
2171         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
2172         (mremap): Declare if HAVE_MREMAP is not defined.
2173         * configure, Makefile.in, config.in: Rebuild.
2174
2175 2009-03-27  Cary Coutant  <ccoutant@google.com>
2176
2177         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
2178         position independent.
2179         * sparc.cc (Target_sparc::check_non_pic): Likewise.
2180         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
2181
2182 2009-03-24  Cary Coutant  <ccoutant@google.com>
2183
2184         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
2185         an executable.
2186         (needs_dynamic_reloc): Likewise.
2187
2188 2009-03-24  Ian Lance Taylor  <iant@google.com>
2189
2190         * yyscript.y (file_cmd): Recognize EXTERN.
2191         (extern_name_list, extern_name_list_body): New nonterminals.
2192         * script.cc (script_add_extern): Define.
2193         * script-c.h (script_add_extern): Declare.
2194
2195 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
2196
2197         * object.cc (is_elf_object): Define.
2198         * object.h (is_elf_object): Declare.
2199         * archive.cc (Archive::get_elf_object_for_member): Call
2200         is_elf_object.
2201         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
2202
2203 2009-03-24  Elliott Hughes  <enh@google.com>
2204
2205         * output.cc (Output_file::map_anonymous): Define.
2206         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
2207         try an anonymous one.  Report the size if the mmap fails.
2208         * output.h (class Output_file): Declare map_anonymous.
2209
2210 2009-03-24  Ian Lance Taylor  <iant@google.com>
2211
2212         * target-select.cc (instantiate_target): Don't acquire the lock if
2213         the instantiated_target_ field has already been set.
2214
2215 2009-03-23  Ian Lance Taylor  <iant@google.com>
2216
2217         * gold-threads.h (class Initialize_lock): Define.
2218         * gold-threads.cc (class Initialize_lock_once): Define.
2219         (initialize_lock_control): New static variable.
2220         (initialize_lock_pointer): New static variable.
2221         (initialize_lock_once): New static function.
2222         (Initialize_lock::Initialize_lock): Define.
2223         (Initialize_lock::initialize): Define.
2224         * target-select.h: Include "gold-threads.h".
2225         (class Target_selector): Add lock_ and initialize_lock_ fields.
2226         Don't define instantiate_target, just declare it.
2227         * target-select.cc (Target_selector::Target_selector): Initialize
2228         new fields.
2229         (Target_selector::instantiate_target): Define.
2230         * descriptors.h: Include "gold-threads.h".
2231         (class Descriptors): Add initialize_lock_ field.
2232         * descriptors.cc (Descriptors::Descriptors): Initialize new
2233         field.
2234         (Descriptors::open): Use initialize_lock_ field
2235         * errors.h (class Errors): Add initialize_lock_ field.
2236         * errors.cc (Errors::Errors): Initialize new field.
2237         (Errors::initialize_lock): Use initialize_lock_ field.
2238         * powerpc.cc (class Target_selector_powerpc): Remove
2239         instantiated_target_ field.  In do_recognize call
2240         instantiate_target rather than do_instantiate_target.  In
2241         do_instantiate_target just allocate a new target.
2242         * sparc.cc (class Target_selector_sparc): Likewise.
2243
2244         * freebsd.h: New file.
2245         * i386.cc: Include "freebsd.h".
2246         (Target_i386): Derive from Target_freebsd rather than
2247         Sized_target.
2248         (Target_selector_i386): Derive from Target_selector_freebsd rather
2249         than Target_selector.
2250         * x86_64.cc: Include "freebsd.h".
2251         (Target_x86_64): Derive from Target_freebsd rather than
2252         Sized_target.
2253         (Target_selector_x86_64): Derive from Target_selector_freebsd
2254         rather than Target_selector.
2255         * target.h (class Target): Add adjust_elf_header and
2256         do_adjust_elf_header.
2257         * output.cc (Output_file_header:: do_sized_write): Call target
2258         adjust_elf_header routine.
2259         * configure.tgt: Set targ_osabi.
2260         * configure.ac: Define GOLD_DEFAULT_OSABI.
2261         * parameters.cc (Parameters::default_target): Pass
2262         GOLD_DEFAULT_OSABI to select_target.
2263         * target-select.h (class Target_selector): Make instantiate_target
2264         protected rather than private.
2265         * Makefile.am (HFILES): Add freebsd.h.
2266         * configure, Makefile.in, config.in: Rebuild.
2267
2268         * merge.cc (do_add_input_section): Correct pend value.  Change
2269         message about last entry not being null terminated from error to
2270         warning.
2271
2272 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
2273
2274         * incremental.cc: New file.
2275         * Makefile.am (CCFILES): Add incremental.cc.
2276         * Makefile.in: Rebuild.
2277
2278 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
2279
2280         * layout.cc (Layout::output_section_name): Preserve names
2281         of '.note.' sections.
2282         
2283 2009-03-19  Ian Lance Taylor  <iant@google.com>
2284
2285         * descriptors.cc (Descriptors::open): Check that the options are
2286         valid before using them.
2287
2288 2009-03-18  Ian Lance Taylor  <iant@google.com>
2289
2290         * script-sections.h: Include <list>.
2291         (class Script_sections): Change Sections_elements from std::vector
2292         to std::list.  Typedef public Elements_iterator.  Add
2293         orphan_section_placement_, data_segment_align_start_, and
2294         saw_data_segment_align_ fields.  Remove data_segment_align_index_
2295         field.
2296         * script-sections.cc (class Orphan_section_placement): New class.
2297         (class Sections_element): Add virtual functions is_relro and
2298         orphan_section_init.  Remove virtual function place_orphan_here.
2299         (class Output_section_definition): Add is_relro and
2300         orphan_section_init.  Remove place_orphan_here.
2301         (class Orphan_output_section): Likewise.
2302         (Script_sections::Script_sections): Update for field changes.
2303         (Script_sections::data_segment_align): Set saw_data_segment_align_
2304         and data_segment_align_start_, not data_segment_align_index.
2305         (Script_sections::data_segment_relro_end): Check
2306         saw_data_segment_align_.  Use data_segment_align_start_ rather
2307         than data_segment_align_index_.
2308         (Script_sections::place_orphan): Rewrite to use
2309         Orphan_section_placement.
2310
2311 2009-03-17  Ian Lance Taylor  <iant@google.com>
2312
2313         * archive.cc (Archive::add_symbols): Check for a version attached
2314         to the symbol name in the archive map.
2315         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
2316         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
2317         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
2318         (ver_test_11.a): New target.
2319         * testsuite/Makefile.in: Rebuild.
2320
2321         * configure.ac: Check for chsize and posix_fallocate.  Replace
2322         ftruncate.
2323         * ftruncate.c: New file, from gnulib.
2324         * output.cc (posix_fallocate): Define dummy version if not
2325         HAVE_POSIX_FALLOCATE.
2326         (Output_file::map): Call posix_fallocate rather than lseek and
2327         write.
2328         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
2329         * configure, Makefile.in, config.in: Rebuild.
2330
2331 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
2332         
2333         * layout.h (Layout::create_note): Add section_name parameter.
2334         * layout.cc (Layout::create_note): Likewise.
2335         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
2336         
2337 2009-03-17  Ian Lance Taylor  <iant@google.com>
2338
2339         * descriptors.cc: Include "options.h".
2340         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
2341         (Descriptors::open): Always use O_CLOEXEC when opening a new
2342         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
2343         then set FD_CLOEXEC.
2344
2345         * sparc.cc (class Target_sparc): Add has_got_section.
2346         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
2347         make sure we have a GOT section.
2348
2349         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
2350         (Target_sparc::Scan::local): Likewise.
2351         (Target_sparc::Scan::global): Likewise.
2352         (Target_sparc::Relocate::relocate): Likewise.
2353         (Target_sparc::Relocate::relocate_tls): Likewise.
2354
2355         * symtab.cc (Symbol_table::define_default_version): New function,
2356         broken out of add_from_object.
2357         (Symbol_table::add_from_object): Call define_default_version.
2358         (Symbol_table::define_special_symbol): Add resolve_oldsym
2359         parameter.  Change all callers.  If the version for a symbol comes
2360         from a version script, resolve it with the symbol with the same
2361         name with no version.  Also add the symbol without a version if
2362         appropriate.
2363         (do_define_in_output_data): If resolving with oldsym, don't delete
2364         sym.
2365         (do_define_in_output_segment): Likewise.
2366         (do_define_as_constant): Likewise.
2367         * symtab.h (class Symbol_table): Update declarations.
2368
2369 2009-03-13  Ian Lance Taylor  <iant@google.com>
2370
2371         * readsyms.cc (Read_symbols::incompatible_warning): New function.
2372         (Read_symbols::requeue): New function.
2373         (Read_symbols::do_read_symbols): If make_elf_object fails because
2374         the target type is not configured, and the file was searched for,
2375         issue a warning and retry with the next directory.
2376         (Add_symbols::run): If the file has an incompatible format, and
2377         it was searched for, requeue the Read_symbols task.  On error,
2378         release the object.
2379         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
2380         dirindex parameter to constructor.  Change all callers.  Declare
2381         incompatible_warning and requeue.
2382         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
2383         input_argument_ and input_group_ fields.  Add them to
2384         constructor.  Change all callers.
2385         (class Read_script): Add dirindex_ field.  Add it to constructor.
2386         Change all callers.
2387         * archive.cc (Archive::setup): Remove input_objects parameter.
2388         Change all callers.
2389         (Archive::get_file_and_offset): Likewise.
2390         (Archive::read_all_symbols): Likewise.
2391         (Archive::read_symbols): Likewise.
2392         (Archive::get_elf_object_for_member): Remove input_objects
2393         parameter.  Add punconfigured parameter.  Change all callers.
2394         (Archive::add_symbols): Change return type to bool.  Check return
2395         value of include_member.
2396         (Archive::include_all_members): Likewise.
2397         (Archive::include_member): Change return type to bool.  Return
2398         false if first included object has incompatible target.  Set
2399         included_member_ field.
2400         (Add_archive_symbols::run): If add_symbols returns false, requeue
2401         Read_symbols task.
2402         * archive.h (class Archive): Add included_member_ field.
2403         Initialize it in constructor.  Add input_file and searched_for
2404         methods.  Update declarations.
2405         (class Add_archive_symbols): Add dirpath_, dirindex_, and
2406         input_argument_ fields.  Add them to constructor.  Change all
2407         callers.
2408         * script.cc: Include "target-select.h".
2409         (class Parser_closure): Add skip_on_incompatible_target_ and
2410         found_incompatible_target_ fields.  Add
2411         skip_on_incompatible_target parameter to constructor.  Change all
2412         callers.  Add methods skip_on_incompatible_target,
2413         clear_skip_on_incompatible_target, found_incompatible_target, and
2414         set_found_incompatible_target.
2415         (read_input_script): Add dirindex parameter.  Change all callers.
2416         If parser finds an incompatible target, requeue Read_symbols
2417         task.
2418         (script_set_symbol): Clear skip_on_incompatible_target in
2419         closure.
2420         (script_add_assertion, script_parse_option): Likewise.
2421         (script_start_sections, script_add_phdr): Likewise.
2422         (script_check_output_format): New function.
2423         * script.h (read_input_script): Update declaration.
2424         * script-c.h (script_check_output_format): Declare.
2425         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
2426         (ignore_cmd): Remove OUTPUT_FORMAT.
2427         * fileread.cc (Input_file::Input_file): Add explicit this.
2428         (Input_file::will_search_for): New function.
2429         (Input_file::open): Add pindex parameter.  Change all callers.
2430         * fileread.h (class Input_file): Add input_file_argument method.
2431         Declare will_search_for.  Update declarations.
2432         * object.cc (make_elf_object): Add punconfigured parameter.
2433         Change all callers.
2434         * object.h (class Object): Make input_file public.  Add
2435         searched_for method.
2436         (make_elf_object): Update declaration.
2437         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
2438         restart search.
2439         * dirsearch.h (class Dirsearch): Update declaration.
2440         * options.h (class General_options): Add --warn-search-mismatch.
2441         * parameters.cc (Parameters::is_compatible_target): New function.
2442         * parameters.h (class Parameters): Declare is_compatible_target.
2443         * workqueue.cc (Workqueue::add_blocker): New function.
2444         * workqueue.h (class Workqueue): Declare add_blocker.
2445
2446         * fileread.cc (Input_file::open): Remove options parameter.
2447         Change all callers.
2448         (Input_file::open_binary): Likewise.
2449         * script.cc (read_input_script): Likewise.
2450         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
2451         options parameter from constructor.  Change all callers.
2452         (class Read_script): Likewise.
2453         * fileread.h (class Input_file): Update declarations.
2454         * script.h (read_input_script): Update declaration.
2455
2456 2009-03-10  Nick Clifton  <nickc@redhat.com>
2457
2458         * po/es.po: New Spanish translation.
2459
2460 2009-03-06  Cary Coutant  <ccoutant@google.com>
2461
2462         * options.cc (parse_short_option): Keep dash_z from registering itself.
2463
2464 2009-03-03  Ian Lance Taylor  <iant@google.com>
2465
2466         PR 9918
2467         * target-reloc.h (relocate_section): Pass output_section to
2468         relocate.
2469         * i386.cc (Target_i386::should_apply_static_reloc): Add
2470         output_section parameter.  Change all callers.
2471         (Target_i386::Relocate::relocate): Add output_section parameter.
2472         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
2473         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
2474         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
2475         * testsuite/two_file_shared.sh: New script.
2476         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
2477         (check_DATA): Add two_file_shared.dbg.
2478         (two_file_shared.dbg): New target.
2479         * testsuite/Makefile.in: Rebuild.
2480
2481 2009-03-01  Ian Lance Taylor  <iant@google.com>
2482
2483         * configure.ac: Check for byteswap.h.
2484         * configure: Rebuild.
2485         * config.in: Rebuild.
2486
2487 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
2488
2489         * layout.cc (Layout::find_or_add_kept_section): New function.
2490         (Layout::add_comdat): Removed.
2491         * layout.h (struct Kept_section): Move out of class Layout.
2492         Remove trailing underscores from field names.  Add group_sections
2493         field.  Rename group_ field to is_group.  Change all uses.
2494         (class Layout): Declare find_or_add_kept_section, not add_comdat.
2495         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
2496         comdat_groups_ field.
2497         (Sized_relobj::include_section_group): Use
2498         find_or_add_kept_section and Kept_section::group_sections.
2499         (Sized_relobj::include_linkonce_section): Likewise.
2500         * object.cc (class Sized_relobj): Don't define Comdat_group or
2501         Comdat_group_table.  Remove find_comdat_group and
2502         add_comdat_group.  Remove comdat_groups_ field.
2503         * plugin.cc (include_comdat_group): Use
2504         Layout::find_or_add_kept_section.
2505
2506 2009-02-28  Ian Lance Taylor  <iant@google.com>
2507
2508         * README: --gc-sections and map files are now supported.  Document
2509         some build requirements.
2510
2511         PR 6992
2512         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
2513         relocatable link set the value of the section symbol to zero.
2514         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
2515         relocatable link don't include the section address in the local
2516         symbol value.
2517
2518 2009-02-27  Ian Lance Taylor  <iant@google.com>
2519
2520         PR 6811
2521         * options.h (class Search_directory): Add is_system_directory.
2522         (class General_options): Declare is_in_system_directory.
2523         * options.cc (get_relative_sysroot): Make static.
2524         (get_default_sysroot): Make static.
2525         (General_optoins::is_in_system_directory): New function.
2526         * fileread.cc (Input_file::is_in_system_directory): New function.
2527         * fileread.h (class Input_file): Declare is_in_system_directory.
2528         * object.h (class Object): Add is_in_system_directory.
2529         (class Input_objects): Remove system_library_directory_ field.
2530         * object.cc (Input_objects::add_object): Don't set
2531         system_library_directory_.
2532         (input_objects::found_in_system_library_directory): Remove.
2533         * symtab.cc (Symbol_table::write_globals): Remove input_objects
2534         parameter.  Change all callers.
2535         (Symbol_table::sized_write_globals): Likewise.
2536         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
2537         Call Object::is_in_system_directory.
2538         * symtab.h (class Symbol_table): Update declarations.
2539
2540         PR 5990
2541         * descriptors.h (Open_descriptor): Add is_on_stack field.
2542         * descriptors.cc (Descriptors::open): If the descriptor is on the
2543         top of the stack, remove it.  Initialize is_on_stack field.
2544         (Descriptors::release): Only add pod to stack if it is not on the
2545         stack already.
2546         (Descriptors::close_some_descriptor): Clear stack_next and
2547         is_on_stack fields.
2548
2549         PR 7091
2550         * output.cc (Output_section::find_starting_output_address): Rename
2551         from starting_output_address; add PADDR parameter; change return
2552         type.
2553         * output.h (class Output_section): Declare
2554         find_starting_output_address instead of starting_output_address.
2555         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
2556         section symbol for which we can't find a merge section.
2557
2558         PR 9836
2559         * symtab.cc (Symbol_table::add_from_object): If the visibility is
2560         hidden or internal, force the symbol to be local.
2561         * resolve.cc (Symbol::override_visibility): Define.
2562         (Symbol::override_base): Use override_visibility.
2563         (Symbol_table::resolve): Likewise.
2564         (Symbol::override_base_with_special): Likewise.
2565         (Symbol_table::override_with_special): If the visibility is hidden
2566         or internal, force the symbol to be local.
2567         * symtab.h (class Symbol): Add set_visibility and
2568         override_visibility.
2569         * testsuite/ver_test_1.sh: New file.
2570         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
2571         (check_DATA): Add ver_test_1.syms.
2572         (ver_test_1.syms): New target.
2573         * testsuite/Makefile.in: Rebuild.
2574
2575 2009-02-25  Cary Coutant  <ccoutant@google.com>
2576
2577         * layout.cc (Layout::choose_output_section): Don't rename sections
2578         when using a linker script that has a SECTIONS clause.
2579         * Makefile.in: Regenerate.
2580
2581         * testsuite/Makefile.am (script_test_5.sh): New test case.
2582         * testsuite/Makefile.in: Regenerate.
2583         * testsuite/script_test_5.cc: New file.
2584         * testsuite/script_test_5.sh: New file.
2585         * testsuite/script_test_5.t: New file.
2586
2587 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
2588
2589         * archive.cc (Archive::include_member): Update calls to add_symbols.
2590         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
2591         the Layout argument.
2592         * dynobj.h (do_add_symbols): Add the Layout argument.
2593         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
2594         Layout argument.
2595         * object.h (Object::add_symbols): Add the Layout argument.
2596         (Object::do_add_symbols): Add the Layout argument.
2597         (Sized_relobj::do_add_symbols): Add the Layout argument.
2598         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
2599         Unify the two versions.
2600         (Add_plugin_symbols): Remove.
2601         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
2602         (Sized_pluginobj::do_add_symbols): Unify the two versions.
2603         (Add_plugin_symbols): Remove.
2604         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
2605         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
2606         (Add_symbols::run): Make it work with Pulginobj.
2607
2608 2009-02-06  Ian Lance Taylor  <iant@google.com>
2609
2610         * object.cc (Sized_relobj::do_layout): Make info message start
2611         with lower case letter.
2612
2613 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
2614
2615         * binary.cc: Fix file comment.
2616
2617         * options.h (enum Incremental_disposition): Define.
2618         (class General_options): Add new options: --incremental,
2619         --incremental_changed, --incremental_unchanged,
2620         --incremental_unknown.  Add incremental_disposition_ and
2621         implicit_incremental_ fields.
2622         (General_options::incremental_disposition): New function.
2623         (class Position_dependent_options): Add incremental_disposition
2624         option.
2625         (Position_dependent_options::copy_from_options): Set incremental
2626         dispositions.
2627         * options.cc (General_options::parse_incremental_changed): New
2628         function.
2629         (General_options::parse_incremental_unchanged): New function.
2630         (General_options::parse_incremental_unknown): New function.
2631         (General_options::General_options): Initialize new fields
2632         incremental_disposition_ and implicit_incremental_.
2633         (General_options::finalize): Check for uasge of --incremental-*
2634         without --incremental.
2635
2636 2009-02-06  Chris Demetriou  <cgd@google.com>
2637
2638         * gold.h (gold_undefined_symbol): Change to take only a Symbol
2639         pointer and to report location as the file name associated with
2640         the symbol.
2641         (gold_undefined_symbol_at_location): New function to replace the
2642         old gold_undefined_symbol functionality.
2643         * target-reloc.h (relocate_section): Update to use
2644         gold_undefined_symbol_at_location.
2645         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
2646         Call gold_undefined_symbol function rather than gold_error.
2647         * errors.h (Errors::undefined_symbol): Take location as a
2648         string, rather than calculating it from a relocation.
2649         * errors.cc (Errors::fatal): Print "fatal error:" before the
2650         formatted message.
2651         (Errors::error, Errors::error_at_location): Print "error: "
2652         before the formatted message.
2653         (Errors::undefined_symbol): Take location as a string, rather
2654         than calculating it from a relocation.
2655         (gold_undefined_symbol_at_location): New function akin to
2656         old gold_undefined_symbol, calculates location from relocation.
2657         (gold_undefined_symbol): Change to take only a Symbol pointer
2658         and to report location as the file name associated with the symbol.
2659         * testsuite/debug_msg.sh: Update for changed error messages.
2660         * testsuite/undef_symbol.sh: Likewise.
2661
2662 2009-02-04  Duncan Sands  <baldrick@free.fr>
2663
2664         PR 9812
2665         * reduced_debug_output.h
2666         (Output_reduced_debug_abbrev_section::failed): Use format for
2667         gold_warning.
2668         (Output_reduced_debug_info_section::faild): Likewise.
2669
2670 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
2671
2672         * script.cc (Lazy_demangler): New class.
2673         (Version_script_info::get_symbol_version_helper): Demangle a
2674         symbol only once.
2675
2676 2009-01-29  Cary Coutant  <ccoutant@google.com>
2677
2678         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
2679         to __tls_get_addr.
2680         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
2681
2682 2009-01-28  Ian Lance Taylor  <iant@google.com>
2683
2684         * version.cc (version_string): Bump to 1.9.
2685
2686         * gold.h: Include <cstring> and <stdint.h>.
2687         * version.cc: Include <cstdio>.
2688         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
2689         warning.
2690         * reduced_debug_output.cc (insert_into_vector): Rename from
2691         Insert_into_vector; change all callers.  Use Swap_unaligned to
2692         avoid aliasing issue; remove union since it is unnecessary.
2693
2694 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
2695
2696         * Makefile.am (CCFILES): Add gc.cc.
2697         (HFILES): Add gc.h.
2698         * Makefile.in: Regenerate.
2699         * gold.cc (Gc_runner): New class.
2700         (queue_initial_tasks): Call garbage collection related tasks
2701         when corresponding options are invoked.
2702         (queue_middle_gc_tasks): New function.
2703         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
2704         processed early before laying out sections during garbage collection.
2705         * gold.h (queue_middle_gc_tasks): New function.
2706         (is_prefix_of): Move from "layout.cc".
2707         * i386.cc (Target_i386::gc_process_relocs): New function.
2708         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
2709         * main.cc (main): Create object of class "Garbage_collection".
2710         * object.cc (Relobj::copy_symbols_data): New function.
2711         (Relobj::is_section_name_included): New function.
2712         (Sized_relobj::do_layout): Allow this function to be called twice 
2713         during garbage collection and defer layout of section during the 
2714         first call.
2715         * object.h (Relobj::get_symbols_data): New function.
2716         (Relobj::is_section_name_included): New function.
2717         (Relobj::copy_symbols_data): New function.
2718         (Relobj::set_symbols_data): New function.
2719         (Relobj::get_relocs_data): New function.
2720         (Relobj::set_relocs_data): New function.
2721         (Relobj::is_output_section_offset_invalid): New pure virtual function.
2722         (Relobj::gc_process_relocs): New function.
2723         (Relobj::do_gc_process_relocs): New pure virtual function.
2724         (Relobj::sd_): New data member.
2725         (Sized_relobj::is_output_section_offset_invalid): New function.
2726         (Sized_relobj::do_gc_process_relocs): New function.
2727         * options.h (General_options::gc_sections): Modify to not be a no-op.
2728         (General_options::print_gc_sections): New option.
2729         * plugin.cc (Plugin_finish::run): Remove function call to
2730         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
2731         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
2732         * reloc.cc (Read_relocs::run): Add task to process relocs and
2733         determine unreferenced sections when doing garbage collection.
2734         (Gc_process_relocs): New class.
2735         (Sized_relobj::do_gc_process_relocs): New function.
2736         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
2737         sections that are garbage collected.
2738         * reloc.h (Gc_process_relocs): New class.
2739         * sparc.cc (Target_sparc::gc_process_relocs): New function.
2740         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
2741         symbols whose corresponding sections are garbage collected.
2742         (Symbol_table::Symbol_table): Add new parameter for the garbage
2743         collection object.
2744         (Symbol_table::gc_mark_undef_symbols): New function.
2745         (Symbol_table::gc_mark_symbol_for_shlib): New function.
2746         (Symbol_table::gc_mark_dyn_syms): New function.
2747         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
2748         as garbage.
2749         (Symbol_table::add_from_object): Likewise.
2750         (Symbol_table::add_from_relobj): When building shared objects, do not
2751         treat externally visible symbols as garbage.
2752         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
2753         table information for static and relocatable links.
2754         * symtab.h (Symbol_table::set_gc): New function.
2755         (Symbol_table::gc): New function.
2756         (Symbol_table::gc_mark_undef_symbols): New function.
2757         (Symbol_table::gc_mark_symbol_for_shlib): New function.
2758         (Symbol_table::gc_mark_dyn_syms): New function.
2759         (Symbol_table::gc_): New data member.
2760         * target.h (Sized_target::gc_process_relocs): New pure virtual 
2761         function.
2762         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
2763         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
2764
2765 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
2766
2767         * options.h (General_options::gc_sections): Define as a no-op for now.
2768         (General_options::no_keep_memory): Ditto.
2769         (General_options::Bshareable): Define.
2770         * options.cc (General_options::finalize): Honor -Bshareable.
2771
2772 2009-01-20  Andreas Schwab  <schwab@suse.de>
2773
2774         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
2775         read the value in the contents, since we don't use it.  Use the
2776         template endianness when writing.
2777         (Relocate::relocate): Use it for R_PPC_REL16_HA.
2778
2779 2009-01-19  Andreas Schwab  <schwab@suse.de>
2780
2781         * configure.tgt (powerpc64-*): Fix targ_obj.
2782
2783 2009-01-15  Ian Lance Taylor  <iant@google.com>
2784
2785         * object.cc (Sized_relobj::write_local_symbols): Don't write out
2786         local symbols when stripping all symbols.
2787
2788 2009-01-14  Cary Coutant  <ccoutant@google.com>
2789
2790         * output.cc (Output_reloc): Add explicit instantiations.
2791
2792 2009-01-14  Cary Coutant  <ccoutant@google.com>
2793
2794         * archive.cc (Archive::get_elf_object_for_member): Remove call
2795         to File_read::claim_for_plugin.
2796         * descriptors.cc (Descriptors::open): Remove reference to
2797         is_claimed.
2798         (Descriptors::claim_for_plugin): Remove.
2799         * descriptors.h (Descriptors::claim_for_plugin): Remove.
2800         (Descriptors::is_claimed): Remove.
2801         (claim_descriptor_for_plugin): Remove.
2802         * fileread.cc (File_read::claim_for_plugin): Remove.
2803         * fileread.h (File_read::claim_for_plugin): Remove.
2804         (File_read::descriptor): Reopen descriptor if necessary.
2805         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
2806         (Plugin_manager::all_symbols_read): Add task parameter. Change
2807         all callers.
2808         (Plugin_manager::get_input_file): New function.
2809         (Plugin_manager::release_input_file): New function.
2810         (Pluginobj::Pluginobj): Add filesize parameter and initialize
2811         corresponding data member.
2812         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
2813         and pass to base constructor. Change all callers.
2814         (get_input_file, release_input_file): New functions.
2815         (make_sized_plugin_object): Add filesize parameter. Change all callers.
2816         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
2817         (Plugin_manager::all_symbols_read): Add task parameter.
2818         (Plugin_manager::get_input_file): New function.
2819         (Plugin_manager::release_input_file): New function.
2820         (Plugin_manager::task_): New data member.
2821         (Pluginobj::Pluginobj): Add filesize parameter.
2822         (Pluginobj::filename): New function.
2823         (Pluginobj::descriptor): New function.
2824         (Pluginobj::filesize): New function.
2825         (Pluginobj::filesize_): New data member.
2826         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
2827         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
2828         File_read::claim_for_plugin; use Object::unlock to unlock the file.
2829
2830         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
2831         with archive libraries.
2832         * testsuite/Makefile.in: Regenerate.
2833         * testsuite/plugin_test.c (struct sym_info): New type.
2834         (get_input_file, release_input_file): New static variables.
2835         (onload): Capture new transfer vector entries.
2836         (claim_file_hook): Stop reading at end of file according to filesize.
2837         Factor out parsing of readelf output into separate function.
2838         (all_symbols_read_hook): Exercise get_input_file and release_input_file
2839         APIs and get the source file name from the symbol table.  Convert
2840         source file name to corresponding object file name.  Print info
2841         message when adding new input files.
2842         (parse_readelf_line): New function.
2843         * testsuite/plugin_test_1.sh: Add checks for new info messages.
2844         * testsuite/plugin_test_2.sh: Likewise.
2845         * testsuite/plugin_test_3.sh: Likewise.
2846         * testsuite/plugin_test_4.sh: New test case.
2847
2848 2009-01-07  Ian Lance Taylor  <iant@google.com>
2849
2850         * version.cc (version_string): Bump to 1.8.
2851
2852 2008-12-23  Cary Coutant  <ccoutant@google.com>
2853
2854         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
2855         * plugin.cc (Plugin_manager::finish): Rename as
2856         layout_deferred_objects.  Move cleanup to separate function.
2857         (Plugin_manager::cleanup): New function.
2858         (Plugin_finish::run): Call layout_deferred_objects and cleanup
2859         separately.
2860         * plugin.h (Plugin_manager::finish): Rename as
2861         layout_deferred_objects.
2862         (Plugin_manager::cleanup): New function.
2863         (Plugin_manager::cleanup_done): New field.
2864
2865 2008-12-23  Cary Coutant  <ccoutant@google.com>
2866
2867         * plugin.cc (is_visible_from_outside): New function.
2868         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
2869         so we don't return "IR only" status for exported symbols or -r links.
2870
2871         * testsuite/Makefile.am (plugin_test_3): New test case.
2872         * testsuite/Makefile.in: Regenerate.
2873         * testsuite/plugin_test_3.sh: New file.
2874
2875 2008-12-22  Cary Coutant  <ccoutant@google.com>
2876
2877         * object.cc (Sized_relobj::layout_section): New function.
2878         (Sized_relobj::do_layout): Defer layout of input sections until after
2879         plugin has provided replacement files.
2880         (Sized_relobj::do_layout_deferred_sections): New function.
2881         * object.h (Relobj::set_section_offset): Remove virtual keyword.
2882         (Relobj::layout_deferred_sections): New function.
2883         (Relobj::do_layout_deferred_sections): New function.
2884         (Sized_relobj::do_layout_deferred_sections): New function.
2885         (Sized_relobj::layout_section): New function.
2886         (Sized_relobj::Deferred_layout): New structure.
2887         (Sized_relobj::deferred_layout_): New field.
2888         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
2889         Change all callers.  Layout deferred sections.
2890         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
2891         references.
2892         (Plugin_hook::run): Move code from do_plugin_hook inline.
2893         (Plugin_hook::do_plugin_hook): Remove.
2894         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
2895         (Plugin_manager::finish): Renamed, was cleanup.
2896         (Plugin_manager::should_defer_layout): New function.
2897         (Plugin_manager::add_deferred_layout_object): New function.
2898         (Plugin_manager::Deferred_layout_list): New type.
2899         (Plugin_manager::deferred_layout_objects_): New field.
2900         (Plugin_hook::do_plugin_hook): Remove.
2901
2902 2008-12-17  Ian Lance Taylor  <iant@google.com>
2903
2904         * options.h (class General_options): Add --no case for
2905         --export-dynamic.
2906
2907 2008-12-16  Cary Coutant  <ccoutant@google.com>
2908
2909         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
2910         vector.
2911         (Plugin_manager::claim_file): Create plugin object even if
2912         plugin did not call the add_symbols callback.
2913         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
2914         asking for more symbols than were added.
2915         * testsuite/Makefile.am (plugin_test_1): Add test case with
2916         no global symbols.
2917         (empty.syms): New target.
2918         * testsuite/Makefile.in: Regenerate.
2919         * testsuite/plugin_test.c (claim_file_hook): Add new debug
2920         message. Don't call add_symbols if no globals.
2921         (all_symbols_read_hook): Don't provide replacement for empty
2922         claimed file.
2923
2924 2008-12-12  Ian Lance Taylor  <iant@google.com>
2925
2926         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
2927         r_type == 0 for a local symbol with r_sym == 0.
2928         (scan_relocatable_relocs): Pass r_sym to
2929         local_non_section_strategy.
2930         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
2931         r_sym parameter.
2932
2933         * configure.ac: Update test for TLS descriptors: they are
2934         supported as of glibc 2.9.
2935         * configure: Rebuild.
2936
2937 2008-12-11  Ian Lance Taylor  <iant@google.com>
2938
2939         PR 7091
2940         * target-reloc.h (Default_scan_relocatable_relocs): For each
2941         function, map r_type == 0 to RELOC_DISCARD.
2942
2943 2008-12-10  Cary Coutant  <ccoutant@google.com>
2944
2945         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
2946         object to override a kept COMDAT group from a plugin object.
2947
2948 2008-12-09  Ian Lance Taylor  <iant@google.com>
2949
2950         PR 7088
2951         * yyscript.y (file_cmd): Handle INPUT.
2952
2953         * testsuite/initpri1.c: Change all declarations to be full
2954         prototypes by adding void, to avoid compiler warnings.
2955
2956 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
2957
2958         * options.cc (General_options::parse_plugin_opt): New.
2959         (General_options::add_plugin): The argument now is just the filename.
2960         (General_options::add_plugin_option): New.
2961         * options.h (plugin_opt): New.
2962         (add_plugin): Change argument name.
2963         (add_plugin_option): New.
2964         * plugin.cc (Plugin::load): Don't parse the plugin option.
2965         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
2966         (Plugin::add_option): New.
2967         (Plugin::args_): Change type.
2968         (Plugin::filename_): New.
2969         (Plugin_manager::add_plugin_option): New.
2970         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
2971         * testsuite/Makefile.in: Regenerate.
2972
2973 2008-12-05  Cary Coutant  <ccoutant@google.com>
2974
2975         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
2976         Handle --strip-lto-sections option.
2977         * options.h (strip_lto_sections): New option.
2978
2979 2008-12-01  Cary Coutant  <ccoutant@google.com>
2980
2981         * plugin.cc (ld_plugin_message): Change format parameter to const.
2982         Fix mismatch between new[] and delete.
2983
2984 2008-11-14  Cary Coutant  <ccoutant@google.com>
2985
2986         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
2987         instead of -1U.
2988
2989 2008-11-05  Craig Silverstein  <csilvers@google.com>
2990
2991         * options.cc (General_options::parse_dynamic_list): New function.
2992         * options.h (General_options): New flags dynamic_list,
2993         dynamic_list_data, dynamic_list_cpp_new, and
2994         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
2995         (General_options::in_dynamic_list): New function.
2996         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
2997         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
2998         (Lex::can_continue_name): Likewise.
2999         (yylex): Likewise.
3000         (read_script_file): New parameter script_options.
3001         (read_dynamic_list): New function.
3002         (Script_options::define_dynamic_list): New function.
3003         (dynamic_list_keyword_parsecodes): New variable.
3004         (dynamic_list_keywords): New variable.
3005         * script.h (Script_options::define_dynamic_list): New function
3006         prototype.
3007         (read_dynamic_list): New function prototype.
3008         * symtab.cc (strprefix): New macro.
3009         (Symbol::should_add_dynsym_entry): Support dynamic_list,
3010         dynamic_list_data, dynamic_list_cpp_new, and
3011         dynamic_list_cpp_typeinfo.
3012         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
3013         (dynamic_list_expr): New rule.
3014         (dynamic_list_nodes): Likewise.
3015         (dynamic_list_node): Likewise.
3016         * testsuite/Makefile.am (dynamic_list): New test.
3017         * testsuite/Makefile.in: Regenerated.
3018         * testsuite/dynamic_list.t: New file.
3019         * testsuite/dynamic_list.sh: New file.
3020
3021 2008-11-05  Craig Silverstein  <csilvers@google.com>
3022
3023         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
3024         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
3025         (t11_last): Likewise.
3026         * testsuite/ver_test_6.c (main): Likewise.
3027
3028 2008-10-07  Cary Coutant  <ccoutant@google.com>
3029
3030         * options.c (General_options::finalize): Add check for -static and
3031         -shared.
3032         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
3033         is not empty.
3034
3035 2008-10-02  Cary Coutant  <ccoutant@google.com>
3036
3037         * plugin.cc (make_sized_plugin_object): Fix conditional
3038         compilation to work when not all targets are enabled.
3039
3040 2008-09-29  Cary Coutant  <ccoutant@google.com>
3041
3042         * archive.cc (Archive::get_file_and_offset): Use filename instead
3043         of name to get library path.
3044         (Archive::include_member): Unlock external member of a thin archive.
3045
3046         * testsuite/Makefile.am (TEST_AR): New variable.
3047         (thin_archive_test_1): New test.
3048         (thin_archive_test_2): New test.
3049         * testsuite/Makefile.in: Regenerate.
3050         * testsuite/thin_archive_main.cc: New file.
3051         * testsuite/thin_archive_test_1.cc: New file.
3052         * testsuite/thin_archive_test_2.cc: New file.
3053         * testsuite/thin_archive_test_3.cc: New file.
3054         * testsuite/thin_archive_test_4.cc: New file.
3055
3056 2008-09-29  Cary Coutant  <ccoutant@google.com>
3057
3058         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
3059         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
3060         instead of -1U.
3061         (Sized_relobj::do_finalize_local_symbols): Likewise.
3062         (Sized_relobj::map_to_kept_section): Likewise.
3063         * object.h (Sized_relobj::invalid_address): New constant.
3064         (Sized_relobj::do_output_section_offset): Check for invalid_address
3065         and return -1ULL.
3066         * output.cc (Output_reloc::local_section_offset): Use constant
3067         invalid_address instead of -1U.
3068         (Output_reloc::get_address): Likewise.
3069         (Output_section::output_address): Change -1U to -1ULL.
3070         * output.h (Output_reloc::invalid_address): New constant.
3071         * reloc.cc (Sized_relobj::write_sections): Use constant
3072         invalid_address instead of -1U.
3073         (Sized_relobj::relocate_sections): Likewise.
3074         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
3075         values for merge sections.
3076         * target-reloc.h (relocate_for_relocatable): Use constant
3077         invalid_address instead of -1U.
3078
3079 2008-09-19  Cary Coutant  <ccoutant@google.com>
3080
3081         Add plugin functionality for link-time optimization (LTO).
3082         * configure.ac (plugins): Add --enable-plugins option.
3083         * configure: Regenerate.
3084         * config.in: Regenerate.
3085         * Makefile.am (LIBDL): New variable.
3086         (CCFILES): Add plugin.cc.
3087         (HFILES): Add plugin.h.
3088         (ldadd_var): Add LIBDL.
3089         * Makefile.in: Regenerate.
3090
3091         * archive.cc: Include "plugin.h".
3092         (Archive::setup): Don't preread archive symbols when using a plugin.
3093         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
3094         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
3095         files.
3096         (Archive::include_member): Add symbols from plugin objects.
3097         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
3098         * descriptors.cc (Descriptors::open): Check for file descriptors
3099         abandoned by plugins.
3100         (Descriptors::claim_for_plugin): New function.
3101         * descriptors.h (Descriptors::claim_for_plugin): New function.
3102         (Open_descriptor::is_claimed): New field.
3103         (claim_descriptor_for_plugin): New function.
3104         * fileread.cc (File_read::claim_for_plugin): New function.
3105         * fileread.h (File_read::claim_for_plugin): New function.
3106         (File_read::descriptor): New function.
3107         * gold.cc: Include "plugin.h".
3108         (queue_initial_tasks): Add task to call plugin hooks for generating
3109         new object files.
3110         * main.cc: Include "plugin.h".
3111         (main): Load plugin libraries.
3112         * object.h (Pluginobj): Declare.
3113         (Object::pluginobj): New function.
3114         (Object::do_pluginobj): New function.
3115         (Object::set_target): New function.
3116         * options.cc: Include "plugin.h".
3117         (General_options::parse_plugin): New function.
3118         (General_options::General_options): Initialize plugins_ field.
3119         (General_options::add_plugin): New function.
3120         * options.h (Plugin_manager): Declare.
3121         (General_options): Add --plugin option.
3122         (General_options::has_plugins): New function.
3123         (General_options::plugins): New function.
3124         (General_options::add_plugin): New function.
3125         (General_options::plugins_): New field.
3126         * plugin.cc: New file.
3127         * plugin.h: New file.
3128         * readsyms.cc: Include "plugin.h".
3129         (Read_symbols::do_read_symbols): Check for archive before checking
3130         for ELF file.  Call plugin hooks to claim files.
3131         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
3132         from a real object file; force override when processing replacement
3133         files.
3134         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
3135         (Symbol::init_base_object): Likewise.
3136         (Symbol::init_base_output_data): Likewise.
3137         (Symbol::init_base_output_segment): Likewise.
3138         (Symbol::init_base_constant): Likewise.
3139         (Symbol::init_base_undefined): Likewise.
3140         (Symbol::output_section): Assert that object is not a plugin.
3141         (Symbol_table::add_from_pluginobj): New function.
3142         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
3143         undefined.
3144         (Symbol_table::sized_write_globals): Likewise.
3145         (Symbol_table::add_from_pluginobj): Instantiate template.
3146         * symtab.h (Sized_pluginobj): Declare.
3147         (Symbol::in_real_elf): New function.
3148         (Symbol::set_in_real_elf): New function.
3149         (Symbol::in_real_elf_): New field.
3150         (Symbol_table::add_from_pluginobj): New function.
3151
3152         * testsuite/Makefile.am (AM_CFLAGS): New variable.
3153         (LIBDL): New variable.
3154         (LDADD): Add LIBDL.
3155         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
3156         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
3157         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
3158         (MOSTLYCLEANFILES): Likewise.
3159         * testsuite/Makefile.in: Regenerate.
3160         * testsuite/plugin_test.c: New file.
3161         * testsuite/plugin_test_1.sh: New file.
3162         * testsuite/plugin_test_2.sh: New file.
3163
3164 2008-09-16  Ian Lance Taylor  <iant@google.com>
3165
3166         * target-reloc.h (relocate_section): Check whether a symbol is
3167         defined by the ABI before reporting an undefined symbol error.
3168         * target.h (Target::is_defined_by_abi): Make parameter const.
3169         (Target::do_is_defined_by_abi): Likewise.
3170         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
3171         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
3172         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
3173         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
3174         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
3175         * testsuite/Makefile.in: Rebuild.
3176
3177         * fileread.cc (make_view): Add casts to avoid warning.
3178
3179 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
3180
3181         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
3182         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
3183
3184 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
3185
3186         * options.h (General_options::output_is_executable): New.
3187         (General_options::output_is_pie): New.
3188         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
3189         for shared libraries.
3190         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
3191
3192 2008-09-11  Chris Demetriou  <cgd@google.com>
3193
3194         * options.h (origin): New -z option.
3195         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
3196         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
3197         in DT_FLAGS_1.
3198
3199 2008-09-05  Cary Coutant  <ccoutant@google.com>
3200
3201         * fileread.cc (File_read::make_view): Add check for attempt to map
3202         beyond end of file.
3203
3204 2008-09-05  Cary Coutant  <ccoutant@google.com>
3205
3206         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
3207         explicit instantiations.
3208
3209 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
3210
3211         PR gold/6858
3212         * options.cc (General_options::finalize): Allow undefined symbols
3213         in shlibs if linking -shared.
3214
3215         PR gold/6859
3216         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
3217         symbols as not needing a dynsym entry.
3218
3219 2008-08-20  Craig Silverstein  <csilvers@google.com>
3220
3221         * fileread.cc (File_read::open): Do not lock the file unless it
3222         was successfully opened.
3223
3224 2008-08-14  Cary Coutant  <ccoutant@google.com>
3225
3226         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
3227         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
3228         * testsuite/tls_test.cc (struct int128): 128-bit struct
3229         for testing TLS relocs with non-zero addend.
3230         (v12): New TLS variable.
3231         (t12): New test.
3232         (t_last): Add check for v12.
3233         * testsuite/tls_test.h (t12): New function.
3234         * testsuite/tls_test_main.cc (thread_routine): Call new test.
3235
3236 2008-08-13  Ian Lance Taylor  <iant@google.com>
3237
3238         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
3239         set tls_segment_ or relro_segment_.
3240         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
3241         when appropriate.
3242         * output.h (Output_section::clear_is_relro): New function.
3243         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
3244         sections specially even when output_data_ is empty.
3245         (Output_segment::maximum_alignment): When first section is relro,
3246         only force alignment for PT_LOAD segments.
3247         * script.cc (script_data_segment_align): New function.
3248         (script_data_segment_relro_end): New function.
3249         * script-c.h (script_data_segment_align): Declare.
3250         (script_data_segment_relro_end): Declare.
3251         * script-sections.h (class Script_sections): Declare
3252         data_segment_align and data_segment_relro_end.  Add fields
3253         segment_align_index_ and saw_relro_end_.
3254         * script-sections.cc (class Sections_element): Add set_is_relro
3255         virtual function.  Add new bool* parameter to place_orphan_here.
3256         Add get_output_section virtual function.
3257         (class Output_section_definition): Add set_is_relro.  Add new
3258         bool* parameter to place_orphan_here.  Add get_output_section.
3259         Add is_relro_ field.
3260         (Output_section_definition::Output_section_definition): Initialize
3261         evaluated_address_, evaluated_load_address, evaluated_addralign_,
3262         and is_relro_ fields.
3263         (Output_section_definition::place_orphan_here): Add is_relro
3264         parameter.
3265         (Output_section_definition::set_section_addresses): Set relro for
3266         output section.
3267         (Output_section_definition::alternate_constraint): Likewise.
3268         (class Orphan_output_section): Add new bool* parameter to
3269         place_orphan_here.  Add get_output_section.
3270         (Orphan_output_section::place_orphan_here): Add is_relro
3271         parameter.
3272         (Script_sections::Script_sections): Initialize
3273         data_segment_align_index_ and saw_relro_end_.
3274         (Script_sections::data_segment_align): New function.
3275         (Script_sections::data_segment_relro_end): New function.
3276         (Script_sections::place_orphan): Set or clear is_relro.
3277         (Script_sections::set_section_addresses): Force alignment of first
3278         TLS section.
3279         * yyscript.y (exp): Call script_data_segment_align and
3280         script_data_segment_relro_end.
3281         * testsuite/relro_script_test.t: New file.
3282         * testsuite/relro_test.cc (using_script): Declare.
3283         (t1, t2): Test using_script.
3284         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
3285         (relro_script_test_SOURCES): Define.
3286         (relro_script_test_DEPENDENCIES): Define.
3287         (relro_script_test_LDFLAGS): Define.
3288         (relro_script_test_LDADD): Define.
3289         (relro_script_test.so): New target.
3290         * testsuite/Makefile.in: Rebuild.
3291
3292 2008-08-06  Cary Coutant <ccoutant@google.com>
3293
3294         * archive.cc (Archive::total_archives, Archive::total_members)
3295         (Archive::total_members_loaded): New variables.
3296         (Archive::setup): Add parameter.  Add option to preread
3297         archive symbols.
3298         (Archive::read_armap): Add counter.
3299         (Archive::get_file_and_offset): New function.
3300         (Archive::get_elf_object_for_member): New function.
3301         (Archive::read_all_symbols): New function.
3302         (Archive::read_symbols): New function.
3303         (Archive::add_symbols): Add counters.
3304         (Archive::include_all_members): Use armap to find members if it's
3305         already built.
3306         (Archive::include_member): Skip reading symbols if already read.
3307         Factored code into Archive::get_file_and_offset and
3308         Archive::get_elf_object_for_member.  Changed call to
3309         Mapfile::report_include_archive_member.
3310         (Archive::print_stats): New function.
3311         * archive.h: Declare Object and Read_symbols_data classes.
3312         (Archive::Archive): Add initializers for new members.
3313         (Archive::setup): Add parameter.
3314         (Archive::print_stats): New function.
3315         (Archive::total_archives, Archive::total_members)
3316         (Archive::total_members_loaded): New variables.
3317         (Archive::get_file_and_offset): New function.
3318         (Archive::get_elf_object_for_member): New function.
3319         (Archive::read_all_symbols): New function.
3320         (Archive::read_symbols): New function.
3321         (Archive::Archive_member): New class.
3322         (Archive::members_): New member.
3323         (Archive::num_members_): New member.
3324         * main.cc: Include archive.h.
3325         (main): Call Archive::print_stats.
3326         * mapfile.cc (Mapfile::report_include_archive_member): Delete
3327         archive parameter; member_name is now the fully-decorated name.
3328         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
3329         * options.h: (General_options): Add --preread-archive-symbols option.
3330         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
3331         Archive::setup.
3332
3333 2008-08-04  Ian Lance Taylor  <iant@google.com>
3334
3335         * symtab.h (Symbol::use_plt_offset): New function.
3336         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
3337         * powerpc.cc (Relocate::relocate): Likewise.
3338         * sparc.cc (Relocate::relocate): Likewise.
3339         * x86_64.cc (Relocate::relocate): Likewise.
3340         * testsuite/weak_plt.sh: New test.
3341         * testsuite/weak_plt_main.cc: New test.
3342         * testsuite/weak_plt_shared.cc: New test.
3343         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
3344         (check_PROGRAMS): Add weak_plt.
3345         (check_DATA): Add weak_plt_shared.so.
3346         (weak_plt_main_pic.o, weak_plt): New targets.
3347         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
3348         * testsuite/Makefile.in: Rebuild.
3349
3350         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
3351         gcctestdir/ld.
3352         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
3353         * testsuite/Makefile.in: Rebuild.
3354
3355 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
3356
3357         * Makefile.am (POTFILES.in): Set LC_ALL=C.
3358         * Makefile.in: Regenerate.
3359         * po/POTFILES.in: Regenerate.
3360
3361 2008-07-29  Ian Lance Taylor  <iant@google.com>
3362
3363         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
3364         symbols before other symbols.
3365         * testsuite/script_test_2.cc (test_addr): Declare.
3366         (test_addr_alias): Declare.
3367         (main): Check that test_addr and test_addr_alias have the right
3368         values.
3369         * testsuite/script_test_2.t: Define test_addr_alias and
3370         test_addr.
3371
3372 2008-07-24  Ian Lance Taylor  <iant@google.com>
3373
3374         PR 5990
3375         * descriptors.cc: New file.
3376         * descriptors.h: New file.
3377         * gold-threads.h (class Hold_optional_lock): New class.
3378         * fileread.cc: Include "descriptors.h".
3379         (File_read::~File_read): Release descriptor rather than closing
3380         it.
3381         (File_read::open) [file]: Call open_descriptor rather than open.
3382         Set is_descriptor_opened_.
3383         (File_read::open) [memory]: Assert that descriptor is not open.
3384         (File_read::reopen_descriptor): New function.
3385         (File_read::release): Release descriptor.
3386         (File_read::do_read): Make non-const.  Reopen descriptor.
3387         (File_read::read): Make non-const.
3388         (File_read::make_view): Reopen descriptor.
3389         (File_read::do_readv): Likewise.
3390         * fileread.h (class File_read): Add is_descriptor_opened_ field.
3391         Update declarations.
3392         * layout.cc: Include "descriptors.h".
3393         (Layout::create_build_id): Use open_descriptor rather than open.
3394         * output.cc: Include "descriptors.h".
3395         (Output_file::open): Use open_descriptor rather than open.
3396         * archive.cc (Archive::const_iterator): Change Archive to be
3397         non-const.
3398         (Archive::begin, Archive::end): Make non-const.
3399         (Archive::count_members): Likewise.
3400         * archive.h (class Archive): Update declarations.
3401         * object.h (Object::read): Make non-const.
3402         * Makefile.am (CCFILES): Add descriptors.cc.
3403         (HFILES): Add descriptors.h.
3404         * Makefile.in: Rebuild.
3405
3406         PR 6716
3407         * gold.h: Always include <clocale>.  Add Solaris workarounds
3408         following code in binutils/sysdep.h.
3409
3410         PR 6048
3411         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
3412         this->eh_frame_hdr_ is NULL before using it.
3413
3414         * dynobj.cc (Versions::Versions): Update comment.
3415
3416         * dynobj.cc (Versions::Versions): If there is an soname, use it as
3417         the base version name.
3418
3419         * stringpool.cc (Stringpool_template::add_with_length): Set key to
3420         array size plus one.
3421         (Stringpool_template::set_string_offsets): Subtract one from key
3422         before using it as an array index.
3423         (Stringpool_template::get_offset_with_length): Likewise.
3424         (Stringpool_template::write_to_buffer): Likewise.
3425         * stringpool.h (Stringpool_template::get_offset_from_key):
3426         Likewise.
3427
3428 2008-07-23  Ian Lance Taylor  <iant@google.com>
3429
3430         PR 6658
3431         * object.h (Merged_symbol_value::value): Do our best to handle a
3432         negative addend.
3433
3434         PR 6647
3435         * script.cc (Version_script_info::get_versions): Don't add empty
3436         version tag to return value.
3437         (Version_script_info::get_symbol_version_helper): Change return
3438         type to bool.  Add pversion parameter.  Change all callers.
3439         (script_register_vers_node): Don't require a non-NULL tag.
3440         * script.h (class Version_script_info): Update declarations.
3441         (Version_script_info::get_symbol_version): Change return type to
3442         bool.  Add version parameter.  Change all callers.
3443         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
3444         handling.  Handle an empty version from a version script.
3445         (Symbol_table::define_special_symbol): Likewise.
3446         * testsuite/ver_test_10.script: New file.
3447         * testsuite/ver_test_10.sh: New file.
3448         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
3449         (check_DATA): Add ver_test_10.syms.
3450         (ver_test_10.syms, ver_test_10.so): New target.
3451         * testsuite/Makefile.in: Rebuild.
3452
3453 2008-07-23  Simon Baldwin  <simonb@google.com>
3454
3455         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
3456         to zero for undefined symbols from dynamic libraries.
3457
3458 2008-07-23  Ian Lance Taylor  <iant@google.com>
3459
3460         * symtab.cc (Symbol_table::resolve): Remove version parameter.
3461         Change all callers.
3462         * symtab.h (class Symbol_table): Update declaration.
3463         * testsuite/ver_test_9.cc: New file.
3464         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
3465         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
3466         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
3467         (ver_test_9.so, ver_test_9.o): New targets.
3468         * testsuite/Makefile.in: Rebuild.
3469
3470 2008-07-22  Ian Lance Taylor  <iant@google.com>
3471
3472         * options.h (class General_options): Define --check-sections.
3473         * layout.cc (Layout::set_segment_offsets): Handle
3474         --check-sections.
3475
3476         * options.h (class General_options): Define -n/--nmagic and
3477         -N/--omagic.
3478         * options.cc (General_options::finalize): For -n/--nmagic or
3479         -N/--omagic, set -static.
3480         * layout.cc (Layout::attach_allocated_section_to_segment): If
3481         -N/--omagic, don't put read-only and read-write sections in
3482         different segments.
3483         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
3484         finding a read-only segment.
3485         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
3486         don't set the minimum segment alignment to the common page size,
3487         and don't set the file offset to the address modulo the page size.
3488         * script-sections.cc (Script_sections::create_segments): If
3489         -n/--omagic, don't put read-only and read-write sections in
3490         different segments.
3491
3492         * cref.cc: New file.
3493         * cref.h: New file.
3494         * options.h (class General_options): Add --print-symbol-counts.
3495         * main.cc (main): Issue defined symbol report if requested.
3496         * archive.cc (Archive::interpret_header): Make into a const member
3497         function.
3498         (Archive::add_symbols): Call Input_objects::archive_start and
3499         archive_stop.
3500         (Archive::const_iterator): Define new class.
3501         (Archive::begin, Archive::end): New functions.
3502         (Archive::include_all_members): Rewrite to use iterator.
3503         (Archive::count_members): New function.
3504         * archive.h (class Archive): Update declarations.
3505         (Archive::filename): New function.
3506         * object.cc: Include "cref.h".
3507         (Sized_relobj::Sized_relobj): Initialize defined_count_.
3508         (Sized_relobj::do_get_global_symbol_counts): New function.
3509         (Input_objects::add_object): Add object to cross-referencer.
3510         (Input_objects::archive_start): New function.
3511         (Input_objects::archive_stop): New function.
3512         (Input_objects::print_symbol_counts): New function.
3513         * object.h: Declare Cref and Archive.
3514         (Object::get_global_symbol_counts): New function.
3515         (Object::do_get_global_symbol_counts): New pure virtual function.
3516         (class Sized_relobj): Add defined_count_ field.  Update
3517         declarations.
3518         (class Input_objects): Add cref_ field.  Update constructor.
3519         Update declarations.
3520         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
3521         defined_count_.
3522         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
3523         symbol counts.
3524         (Sized_dynobj::do_get_global_symbol_counts): New function.
3525         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
3526         defined_count_.  Update declarations.  Define Symbols typedef.
3527         * symtab.cc (Symbol_table::add_from_relobj): Add defined
3528         parameter.  Change all callers.
3529         (Symbol_table::add_from_dynobj): Add sympointers and defined
3530         parameters.  Change all callers.
3531         * symtab.h (class Symbol_table): Update declarations.
3532         * Makefile.am (CCFILES): Add cref.cc.
3533         (HFILES): Add cref.h.
3534         * Makefile.in: Rebuild.
3535
3536 2008-07-22  Simon Baldwin  <simonb@google.com>
3537
3538         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
3539         to zero when writing undefined symbols.
3540
3541 2008-07-22  Ian Lance Taylor  <iant@google.com>
3542
3543         * output.cc (Output_section::add_input_section): Don't try to
3544         merge empty merge sections.
3545
3546 2008-07-21  Craig Silverstein  <csilvers@google.com>
3547
3548         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
3549         Include symbol version in error message.
3550
3551 2008-07-20  Chris Demetriou  <cgd@google.com>
3552
3553         * configure.ac (gold_cv_c_random_seed): New configured variable.
3554         (RANDOM_SEED_CFLAGS): New substituted variable.
3555         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
3556         * configure: Rebuild.
3557         * Makefile.in: Likewise.
3558         * testsuite/Makefile.in: Likewise.
3559
3560 2008-07-18  Ian Lance Taylor  <iant@google.com>
3561
3562         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
3563         where we see NAME/NULL and NAME/VERSION  as separate symbols.
3564         * testsuite/ver_test_main.cc (main): Call t4.
3565         (t4, t4_2a): Define.
3566         * testsuite/ver_test_2.cc (t4_2): Define.
3567         * testsuite/ver_test_2.script: Put t4_2a in VER2.
3568         * testsuite/ver_test_4.cc (t4_2a): Define.
3569         * testsuite/ver_test_4.script: Put t4_2a in VER2.
3570         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
3571
3572 2008-07-17  Ian Lance Taylor  <iant@google.com>
3573
3574         * dynobj.cc (Versions::add_def): If we give an error about a
3575         missing version, go ahead and create the version anyhow.
3576
3577 2008-07-10  Ian Lance Taylor  <iant@google.com>
3578
3579         Handle output sections with more than 0x7fffffff bytes.
3580         * object.h (class Relobj): Change map_to_output_ to
3581         output_sections_, and just keep a section pointer.  Change all
3582         uses.  Move comdat group support to Sized_relobj.
3583         (Relobj::is_section_specially_mapped): Remove.
3584         (Relobj::output_section): Remove poff parameter.  Change all
3585         callers.
3586         (Relobj::output_section_offset): New function.
3587         (Relobj::set_section_offset): Rewrite.
3588         (Relobj::map_to_output): Remove.
3589         (Relobj::output_sections): New function.
3590         (Relobj::do_output_section_offset): New pure virtual function.
3591         (Relobj::do_set_section_offset): Likewise.
3592         (class Sized_relobj): Add section_offsets_ field.  Add comdat
3593         group support from Relobj.  Update declarations.
3594         (Sized_relobj::get_output_section_offset): New function.
3595         (Sized_relobj::do_output_section_offset): New function.
3596         (Sized_relobj::do_set_section_offset): New function.
3597         * object.cc (Relobj::output_section_address): Remove.
3598         (Sized_relobj::Sized_relobj): Initialize new fields.
3599         (Sized_relobj::include_section_group): Cast find_kept_object to
3600         Sized_relobj.
3601         (Sized_relobj::include_linkonce_section): Likewise.
3602         (Sized_relobj::do_layout): Use separate arrays for output section
3603         and output offset.
3604         (Sized_relobj::do_count_local_symbols): Change map_to_output to
3605         output_sections.
3606         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
3607         output_sections and section_offsets.
3608         (Sized_relobj::write_local_symbols): Likewise.
3609         (map_to_kept_section): Compute output address directly.
3610         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
3611         output_sections and section_offsets.
3612         (Sized_relobj::write_sections): Likewise.
3613         (Sized_relobj::relocate_sections): Likewise.
3614         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
3615         * output.h (class Output_reloc): Update declarations.  Change
3616         u2_.relobj to Sized_relobj*.
3617         (class Output_data_reloc): Change add functions to use
3618         Sized_relobj*.
3619         * output.cc (Output_reloc::Output_reloc): Change relobj to
3620         Sized_relobj*.
3621         (Output_reloc::local_section_offset): Change return type to
3622         Elf_Addr.  Use get_output_section_offset.
3623         (Output_reloc::get_address): Likewise.
3624         (Output_section::is_input_address_mapped): Don't call
3625         is_section_specially_mapped.
3626         (Output_section::output_offset): Likewise.
3627         (Output_section::output_address): Likewise.
3628         (Output_section::starting_output_address): Likewise.
3629         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
3630         parameter to Sized_relobj*.
3631         (Copy_relocs::need_copy_reloc): Likewise.
3632         (Copy_relocs::save): Likewise.
3633         * copy-relocs.h (class Copy_relocs): Update declarations.
3634         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
3635         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
3636         * target-reloc.h (relocate_for_relocatable): Change
3637         offset_in_output_section type to Elf_Addr.  Change code that uses
3638         it as well.
3639         * layout.cc (Layout::layout): Always set *off.
3640         * mapfile.cc (Mapfile::print_input_section): Use
3641         output_section_offset.
3642         * i386.cc (Target_i386::copy_reloc): Change object parameter to
3643         Sized_relobj*.
3644         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
3645         * sparc.cc (Target_sparc::copy_reloc): Likewise.
3646         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
3647
3648 2008-07-03  Ian Lance Taylor  <iant@google.com>
3649
3650         * layout.cc (Layout::include_section): Do not discard unrecognized
3651         SHT_STRTAB sections.
3652
3653 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
3654
3655         * script.cc (Lex::can_continue_name): Make '?' allowable in
3656         version-script names.
3657         * testsuite/version_script.map: Change glob pattern to use '?'
3658
3659 2008-06-30  Manish Singh  <yosh@gimp.org>
3660
3661         PR 6585
3662         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
3663         Correct typo.
3664
3665 2008-06-30  Ian Lance Taylor  <iant@google.com>
3666
3667         PR 6660
3668         PR 6682
3669         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
3670         versions]: Don't try to read the value in the contents, since we
3671         don't use it.  Use the template endianness when writing.
3672
3673 2008-06-25  Cary Coutant  <ccoutant@google.com>
3674
3675         * fileread.cc (File_read::make_view): Assert on zero-length view.
3676         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
3677         symbol table when there are no symbols to read.
3678
3679 2008-06-23  Craig Silverstein  <csilvers@google.com>
3680
3681         * version.cc (version_string): Bump to 1.7
3682
3683 2008-06-18  Craig Silverstein  <csilvers@google.com>
3684
3685         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
3686         constant 0xFFFF to type Valtype.
3687         (Powerpc_relocate_functions::rel16_ha): Likewise.
3688
3689 2008-06-17  Ian Lance Taylor  <iant@google.com>
3690
3691         * output.h (Output_section::Input_section): Initialize p2align_ to
3692         zero for Output_section_data constructors.
3693         (Output_section::Input_section::addralign): If not an input
3694         section, return the alignment of the Output_section_data.
3695         * testsuite/copy_test.cc: New file.
3696         * testsuite/copy_test_1.cc: New file.
3697         * testsuite/copy_test_2.cc: New file.
3698         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
3699         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
3700         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
3701         (copy_test_1_pic.o, copy_test_1.so): New targets.
3702         (copy_test_2_pic.o, copy_test_2.so): New targets.
3703         * testsuite/Makefile.in: Rebuild.
3704
3705         * script-sections.cc (Script_sections::place_orphan): Initialize
3706         local variable exact.
3707
3708 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
3709
3710         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
3711
3712 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
3713             David S. Miller  <davem@davemloft.net>
3714
3715         * powerpc.cc: New file.
3716         * Makefile.am (TARGETSOURCES): Add powerpc.cc
3717         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
3718         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
3719         * Makefile.in: Rebuild.
3720
3721 2008-06-09  Ian Lance Taylor  <iant@google.com>
3722
3723         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
3724         <exception>.
3725         (throwing, orig_terminate): New static variables.
3726         (terminate_handler): New static function.
3727         (t2): Set terminate handler.
3728
3729 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
3730
3731         PR 6584
3732         * binary.cc (Binary_to_elf::sized_convert): Fix .data
3733         alignment.
3734
3735 2008-05-30  Cary Coutant  <ccoutant@google.com>
3736
3737         * archive.cc (Archive::include_all_members) Correct to step
3738         over symbol table and extended name table in thin archives.
3739
3740 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
3741
3742         PR 6407
3743         * target-reloc.h (relocate_for_relocatable): Fix new_offset
3744         calculation.
3745
3746 2008-05-28  Caleb Howe  <cshowe@google.com>
3747
3748         * reduced_debug_output.cc: New file.
3749         * reduced_debug_output.h: New file.
3750         * options.h (class General_options): Add --strip-debug-non-line.
3751         * options.cc (General_options::finalize): Add strip_debug_non_line
3752         to the strip heirarchy.
3753         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
3754         fields.
3755         * layout.cc: Include "reduced_debug_output.h".
3756         (Layout::Layout): Initialize new fields.
3757         (line_only_debug_sections): New static array.
3758         (is_lines_only_debug_sections): New static inline function.
3759         (Layout::include_section): Handle --strip-debug-non-line.
3760         (Layout::make_output_section): If --strip-debug-non-line, build
3761         new output sections for .debug_abbrev and .debug_info.
3762         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
3763         gold.  Warn about possible overflow.
3764         (read_signed_LEB_128): Likewise.
3765         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
3766         (read_signed_LEB_128): Declare.
3767         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
3768         (HFILES): Add reduced_debug_output.h.
3769         * Makefile.in: Rebuild.
3770
3771 2008-05-21  Ian Lance Taylor  <iant@google.com>
3772
3773         * mapfile.cc: New file.
3774         * mapfile.h: New file.
3775         * options.h (class General_options): Add -M/--print-map and -Map.
3776         * options.cc (General_options::finalize): Make -M equivalent to
3777         -Map -.
3778         * main.cc: Include <cstdio> and "mapfile.h".
3779         (main): Open mapfile if requested.
3780         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
3781         constructor.  Change caller.
3782         (queue_initial_tasks): Add mapfile parameter.  Change caller.
3783         (queue_middle_tasks): Likewise.
3784         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
3785         declarations.
3786         * archive.cc: Include "mapfile.h".
3787         (Archive::add_symbols): Add mapfile parameter.  Change all
3788         callers.  Pass mapfile, symbol, and reason to include_member.
3789         (Archive::include_all_members): Add mapfile parameter.  Change all
3790         callers.
3791         (Archive::include_member): Add mapfile, sym, and why parameters.
3792         Change all callers.  Report inclusion to map file.
3793         * archive.h: Include "fileread.h".
3794         (class Archive): Update declarations.
3795         (Archive::file): New const method.
3796         (class Add_archive_symbols): Add mapfile_ field.  Update
3797         constructor.  Change all callers.
3798         * readsyms.h (class Read_symbols): Likewise.
3799         (class Finish_group): Likewise.
3800         (class Read_script): Likewise.
3801         * common.cc: Include "mapfile.h".
3802         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
3803         all callers.
3804         (Symbol_table::do_allocate_commons): Likewise.
3805         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
3806         symbol allocation to mapfile.
3807         * common.h (class Allocate_commons_task): Add mapfile_ field.
3808         Update constructor.  Change all callers.
3809         * symtab.h (class Symbol_table): Update declarations.
3810         * layout.cc: Include "mapfile.h".
3811         (Layout_task_runner::run): Print information to mapfile.
3812         (Layout::create_gold_note): Change Output_data_fixed_space to
3813         Output_data_zero_fill.
3814         (Layout::create_build_id): Likewise.
3815         (Layout::print_to_mapfile): New function.
3816         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
3817         constructor.  Change caller.
3818         (class Layout): Declare print_to_mapfile.
3819         * output.cc (Output_section::Input_section::print_to_mapfile): New
3820         function.
3821         (Output_section::add_input_section): If producing a map, always
3822         add to input_sections_ list.
3823         (Output_section::do_print_to_mapfile): New function.
3824         (Output_segment::print_sections_to_mapfile): New function.
3825         (Output_segment::print_section_list_to_mapfile): New function.
3826         * output.h: Include "mapfile.h".
3827         (Output_data::print_to_mapfile): New function.
3828         (Output_data::do_print_to_mapfile): New virtual function.
3829         (Output_segment_headers::do_print_to_mapfile): New function.
3830         (Output_file_header::do_print_to_mapfile): New function.
3831         (Output_data_const::do_print_to_mapfile): New function.
3832         (class Output_data_const_buffer): Add map_name_ field.  Update
3833         constructor.  Change all callers.  Add do_print_to_mapfile
3834         function.
3835         (class Output_data_fixed_space): Likewise.
3836         (class Output_data_space): Likewise.
3837         (class Output_data_zero_fill): New class.
3838         (Output_data_strtab::do_print_to_mapfile): New function.
3839         (Output_data_reloc_base::do_print_to_mapfile): New function.
3840         (Output_relocatable_relocs::do_print_to_mapfile): New function.
3841         (Output_data_group::do_print_to_mapfile): New function.
3842         (Output_data_got::do_print_to_mapfile): New function.
3843         (Output_data_dynamic::do_print_to_mapfile): New function.
3844         (Output_symtab_xindex::do_print_to_mapfile): New function.
3845         (class Output_section): Declare do_print_to_mapflie.  Declare
3846         print_to_mapfile in Input_section.
3847         (class Output_segment): Declare new functions.
3848         * object.h (Sized_relobj::symbol_count): New function.
3849         * script-sections.cc
3850         (Output_section_element_dot_assignment::set_section_addresses):
3851         Change Output_data_fixed_space to Output_data_zero_fill.
3852         (Output_data_expression::do_print_to_mapfile): New function.
3853         * script.cc (read_input_script): Add mapfile parameter.  Change
3854         all callers.
3855         * script.h (read_input_script): Update declaration.
3856         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
3857         (Eh_frame::do_print_to_mapfile): New function.
3858         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
3859         (Output_merge_string::do_print_to_mapfile): New function.
3860         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
3861         function.
3862         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
3863         function.
3864         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
3865         function.
3866         * Makefile.am (CCFILES): Add mapfile.cc.
3867         (HFILES): Add mapfile.h.
3868         * Makefile.in: Rebuild.
3869
3870 2008-05-19  Ian Lance Taylor  <iant@google.com>
3871
3872         * options.h (class General_options): Add -z relro.
3873         * layout.cc (Layout::Layout): Initialize relro_segment_.
3874         (Layout::add_output_section_data): Return the output section.
3875         (Layout::make_output_section): Rcognize relro sections and mark
3876         them appropriately.
3877         (Layout::attach_allocated_section_to_segment): Put relro sections
3878         in a PT_GNU_RELRO segment.
3879         (Layout::create_initial_dynamic_sections): Mark the .dynamic
3880         section as relro.
3881         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
3882         PT_TLS segments.
3883         (Layout::linkonce_mapping): Map d.rel.ro.local to
3884         .data.rel.ro.local.
3885         (Layout::output_section_name): Us .data.rel.ro.local for any
3886         section which begins with that.
3887         * layout.h (class Layout): Update add_output_section_data
3888         declaration.  Add relro_segment_ field.
3889         * output.cc (Output_section::Output_section): Initialize is_relro_
3890         and is_relro_local_ fields.
3891         (Output_segment::add_output_section): Group relro sections.
3892         (Output_segment::is_first_section_relro): New function.
3893         (Output_segment::maximum_alignment): If there is a relro section,
3894         align the segment to the common page size.
3895         (Output_segment::set_section_addresses): Track whether we are
3896         looking at relro sections.  If the last section is a relro
3897         section, align to the common page size.
3898         (Output_segment::set_section_list_addresses): Add in_relro
3899         parameter.  Change all callers.  Align to the page size when
3900         moving from relro to non-relro section.
3901         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
3902         segment.
3903         * output.h (class Output_section): Add is_relro_ and
3904         is_relro_local_ fields.
3905         (Output_section::is_relro): New function.
3906         (Output_section::set_is_relro): New function.
3907         (Output_section::is_relro_local): New function.
3908         (Output_section::set_is_relro_local): New function.
3909         (class Output_segment): Update declarations.
3910         * i386.cc (Target_i386::got_section): Mark .got section as relro.
3911         * sparc.cc (Target_sparc::got_section): Likewise.
3912         * x86_64.cc (Target_x86_64::got_section): Likewise.
3913         * testsuite/relro_test_main.cc: New file.
3914         * testsuite/relro_test.cc: New file.
3915         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
3916         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
3917         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
3918         (relro_test.so, relro_test_pic.o): New targets.
3919         * testsuite/Makefile.in: Rebuild.
3920
3921 2008-05-16  Ian Lance Taylor  <iant@google.com>
3922
3923         * output.cc (Output_segment::add_output_section): Remove front
3924         parameter.
3925         * output.h (class Output_segment): Remove
3926         add_initial_output_section and overloaded add_output_section.
3927         Update declaration of remaining add_output_section.
3928         * layout.cc (Layout::create_interp): Call add_output_section
3929         rather than add_initial_output_section.
3930         (Layout::finish_dynamic_section): Likewise.
3931
3932         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
3933         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
3934         know the dynamic type.
3935         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
3936         field.  Initialize it in constructor.
3937         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
3938         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
3939         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
3940         reloc.
3941
3942         * output.cc (Output_reloc::get_address): Change return type to
3943         Elf_Addr.
3944         * output.h (class Output_reloc): Update get_address declaration.
3945         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
3946         for section addresses.
3947
3948 2008-05-09  Ian Lance Taylor  <iant@google.com>
3949
3950         PR 6493
3951         * gold.cc (gold_nomem): Use return value of write.
3952
3953 2008-05-08  Ian Lance Taylor  <iant@google.com>
3954
3955         * symtab.c (Symbol::init_base_output_data): Add version
3956         parameter.  Change all callers.
3957         (Symbol::init_base_output_segment): Likewise.
3958         (Symbol::init_base_constant): Likewise.
3959         (Symbol::init_base_undefined): Likewise.
3960         (Sized_symbol::init_output_data): Likewise.
3961         (Sized_symbol::init_output_segment): Likewise.
3962         (Sized_symbol::init_constant): Likewise.
3963         (Sized_symbol::init_undefined): Likewise.
3964         (Symbol_table::do_define_in_output_data): If the new symbol has a
3965         version, mark it as the default.
3966         (Symbol_table::do_define_in_output_segment): Likewise.
3967         (Symbol_table::do_define_as_constant): Likewise.
3968         * symtab.h (class Symbol): Update declarations.
3969         (class Sized_symbol): Likewise.
3970         * resolve.cc (Symbol::override_version): New function.
3971         (Symbol::override_base): Call override_version.
3972         (Symbol::override_base_with_special): Likewise.
3973         * testsuite/ver_script_8.script: New file.
3974         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
3975         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
3976         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
3977         (ver_test_8_1.so, ver_test_8_2.so): New targets.
3978
3979 2008-05-06  Ian Lance Taylor  <iant@google.com>
3980
3981         PR 6049
3982         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
3983         functions.
3984         (class General_options): Remove existing --undefined, and add
3985         --no-undefined instead.  Add new --undefined as synonym for -u.
3986         * archive.cc (Archive::add_symbols): Check whether symbol was
3987         named with -u.
3988         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
3989         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
3990         all uses.  Add IS_UNDEFINED.  Update declarations to split
3991         different versions of init_base.  Declare init_base_undefined.
3992         (Symbol::is_defined): Handle IS_UNDEFINED.
3993         (Symbol::is_undefined): Likewise.
3994         (Symbol::is_weak_undefined): Call is_undefined.
3995         (Symbol::is_absolute): Handle IS_CONSTANT.
3996         (class Sized_symbol): Update declarations to split different
3997         versions of init.  Declare init_undefined.
3998         (class Symbol_table): Declare new functions.
3999         * symtab.cc (Symbol::init_base_object): Rename from init_base.
4000         Change all callers.
4001         (Symbol::init_base_output_data): Likewise.
4002         (Symbol::init_base_output_segment): Likewise.
4003         (Symbol::init_base_constant): Likewise.
4004         (Symbol::init_base_undefined): New function.
4005         (Sized_symbol::init_object): Rename from init.  Change all
4006         callers.
4007         (Sized_symbol::init_output_data): Likewise.
4008         (Sized_symbol::init_output_segment): Likewise.
4009         (Sized_symbol::init_constant): Likewise.
4010         (Sized_symbol::init_undefined): New function.
4011         (Symbol_table::add_undefined_symbols_from_command_line): New
4012         function.
4013         (Symbol_table::do_add_undefined_symbols_from_command_line): New
4014         function.
4015         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
4016         (Symbol::output_section): Likewise.
4017         (Symbol::set_output_section): Likewise.
4018         (Symbol_table::sized_finalize_symbol): Likewise.
4019         (Symbol_table::sized_write_globals): Likewise.
4020         * resolve.cc (Symbol_table::should_override): Likewise.
4021         (Symbol::override_base_with_special): Likewise.
4022
4023         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
4024         symbol, change it to have default visibility.
4025         * testsuite/protected_1.cc: New file.
4026         * testsuite/protected_2.cc: New file.
4027         * testsuite/protected_3.cc: New file.
4028         * testsuite/protected_main_1.cc: New file.
4029         * testsuite/protected_main_2.cc: New file.
4030         * testsuite/protected_main_3.cc: New file.
4031         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
4032         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
4033         (protected_1_LDFLAGS, protected_1_LDADD): Define.
4034         (protected_1.so): New target.
4035         (protected_1_pic.o, protected_2_pic.o): New targets.
4036         (protected_3_pic.o): New target.
4037         (check_PROGRAMS): Add protected_2.
4038         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
4039         (protected_2_LDFLAGS, protected_2_LDADD): Define.
4040         * testsuite/Makefile.in: Rebuild.
4041
4042         * options.h (DEFINE_var): Add set_user_set_##varname__.
4043         (DEFINE_bool_alias): New macro.
4044         (class General_options): Define -Bstatic using DEFINE_bool_alias
4045         rather than DEFINE_special.  Add --undefined as an alias for -z
4046         defs.
4047         * options.cc (General_options::parse_Bstatic): Remove.
4048
4049         * options.h (class General_options): Add --fatal-warnings.
4050         * main.cc (main): Implement --fatal-warnings.
4051         * errors.h (Errors::warning_count): New function.
4052
4053         * options.h (class General_options): Add -Bsymbolic-functions.
4054         * symtab.h (Symbol::is_preemptible): Check for
4055         -Bsymbolic-functions.
4056
4057 2008-05-05  Ian Lance Taylor  <iant@google.com>
4058
4059         * options.h (DEFINE_bool): For DASH_Z, create the negative option
4060         as noVARNAME rather than no-VARNAME.
4061         (class General_options): Add option -z combreloc.
4062         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
4063         get_address.
4064         (Output_reloc::sort_before) [SHT_REL]: New function.
4065         (Output_reloc::sort_before) [SHT_RELA]: New function.
4066         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
4067         Sort_relocs_comparison.
4068         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
4069         parameter.  Change all callers.
4070         (Output_data_reloc::Output_data_reloc) [both versions]: Add
4071         sort_relocs parameter.  Change all callers.
4072         * output.cc (Output_reloc::get_address): New function, broken out
4073         of write_rel.
4074         (Output_reloc::write_rel): Call it.
4075         (Output_reloc::compare): New function.
4076         (Output_data_reloc_base::do_write): Optionally sort relocs.
4077
4078         * configure.ac: If targ_extra_obj is set, link it in.
4079         * configure.tgt: Initialize all variables.
4080         (x86_64*): Set targ_extra_obj and targ_extra_size.
4081         * configure: Rebuild.
4082
4083         * object.cc (Sized_relobj::include_section_group): Adjust section
4084         indexes read from group data.  Build vector to pass to
4085         layout_group.
4086         * layout.cc (Layout::layout_group): Add flags and shndxes
4087         parameters.  Remove contents parameter.  Change caller.  Update
4088         explicit instantiations.
4089         * layout.h (class Layout): Update layout_group declaration.
4090         * output.cc (Output_data_group::Output_data_group): Add flags and
4091         input_shndxes parameters.  Remove contents parameter.  Change
4092         caller.
4093         (Output_data_group::do_write): Change input_sections_ to
4094         input_shndxes_.
4095         * output.h (class Output_data_group): Update constructor
4096         declaration.  Rename input_sections_ to input_shndxes_.
4097         * testsuite/many_sections_test.cc: Add template.
4098
4099 2008-04-30  Cary Coutant  <ccoutant@google.com>
4100
4101         * target-reloc.h (relocate_section): Fix dead-pointer bug.
4102
4103         * layout.cc (Layout::include_section): Refactored check for debug
4104         info section.
4105         (Layout::add_comdat): Add new parameters.  Change type
4106         of signature parameter.  Add object and shndx to signatures table.
4107         (Layout::find_kept_object): New function.
4108         * layout.h: Include <cstring>.
4109         (Layout::is_debug_info_section): New function.
4110         (Layout::add_comdat): Add new parameters.
4111         (Layout::find_kept_object): New function.
4112         (Layout::Kept_section): New struct.
4113         (Layout::Signatures): Change type of map range.
4114         * object.cc (Relobj::output_section_address): New function.
4115         (Sized_relobj::include_section_group): Add new parameters.  Change
4116         calls to Layout::add_comdat.  Change to build table of kept comdat
4117         groups and table mapping discarded sections to kept sections.
4118         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
4119         (Sized_relobj::do_layout): Change calls to include_section_group and
4120         include_linkonce_section.
4121         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
4122         value to zero when section is discarded.
4123         (Sized_relobj::map_to_kept_section): New function.
4124         * object.h (Relobj::output_section_address): New function.
4125         (Relobj::Comdat_group): New type.
4126         (Relobj::find_comdat_group): New function.
4127         (Relobj::Comdat_group_table): New type.
4128         (Relobj::Kept_comdat_section): New type.
4129         (Relobj::Kept_comdat_section_table): New type.
4130         (Relobj::add_comdat_group): New function.
4131         (Relobj::set_kept_comdat_section): New function.
4132         (Relobj::get_kept_comdat_section): New function.
4133         (Relobj::comdat_groups_): New field.
4134         (Relobj::kept_comdat_sections_): New field.
4135         (Symbol_value::input_value): Update comment.
4136         (Sized_relobj::map_to_kept_section) New function.
4137         (Sized_relobj::include_linkonce_section): Add new parameter.
4138         * target-reloc.h (Comdat_behavior): New type.
4139         (get_comdat_behavior): New function.
4140         (relocate_section): Add code to map a discarded section to the
4141         corresponding kept section when applying a relocation.
4142
4143 2008-04-30  Craig Silverstein  <csilvers@google.com>
4144
4145         * dwarf_reader.cc (next_generation_count): New static var.
4146         (Addr2line_cache_entry): New struct.
4147         (addr2line_cache): New static var.
4148         (Dwarf_line_info::one_addr2line): Added caching.
4149         (Dwarf_line_info::clear_addr2line_cache): New function.
4150         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
4151         cache-size parameter.
4152         (Dwarf_line_info::one_addr2line_cache): New function.
4153         * symtab.cc (Symbol_table::detect_odr_violations): Pass
4154         new cache-size argument to one_addr2line(), and clear cache.
4155
4156 2008-04-28  Cary Coutant  <ccoutant@google.com>
4157
4158         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
4159         R_386_PC8 relocations.
4160
4161 2008-04-23  Ian Lance Taylor  <iant@google.com>
4162
4163         * object.cc (Sized_relobj::include_section_group): Check for
4164         invalid section group.
4165
4166         * object.cc (make_elf_object): Correct test for 64-bit ELF file
4167         header size.
4168
4169         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
4170         than read for file header.
4171         * archive.cc (Archive::include_member): Likewise.
4172
4173 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
4174
4175         * aclocal.m4: Regenerate.
4176         * configure: Regenerate.
4177
4178 2008-04-19  Ian Lance Taylor  <iant@google.com>
4179
4180         * version.cc (version_string): Bump to 1.6.
4181
4182         * testsuite/Makefile.am (many_sections_r_test): New target.
4183         (many_sections_r_test_SOURCES): Remove.
4184         (many_sections_r_test_DEPENDENCIES): Remove.
4185         (many_sections_r_test_LDFLAGS): Remove.
4186         (many_sections_r_test_LDADD): Remove.
4187
4188         * object.cc (Sized_relobj::do_add_symbols): Always pass
4189         local_symbol_count_ to add_from_relobj.
4190
4191         * testsuite/Makefile.am (many_sections_check.h): Only check one in
4192         every thousand variables.
4193         * testsuite/Makefile.in: Rebuild.
4194
4195         * object.cc (Xindex::initialize_symtab_xindex): New function.
4196         (Xindex::read_symtab_xindex): New function.
4197         (Xindex::sym_xindex_to_shndx): New function.
4198         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
4199         available.
4200         (Sized_relobj::do_initialize_xindex): New function.
4201         (Sized_relobj::do_read_symbols): Adjust section links.
4202         (Sized_relobj::symbol_section_and_value): Add is_ordinary
4203         parameter.  Change all callers.
4204         (Sized_relobj::include_section_group): Adjust section links and
4205         symbol section indexes.
4206         (Sized_relobj::do_layout): Adjust section links.
4207         (Sized_relobj::do_count_local_symbols): Adjust section links and
4208         symbol section indexes.
4209         (Sized_relobj::do_finalize_local_symbols): Distinguish between
4210         ordinary and special symbols.
4211         (Sized_relobj::write_local_symbols): Add symtab_xindex and
4212         dynsym_xindex parameters.  Change all callers.  Adjust section
4213         links.  Use SHN_XINDEX when needed.
4214         (Sized_relobj::get_symbol_location_info): Adjust section links.
4215         Don't get fooled by special symbols.
4216         * object.h (class Xindex): Define.
4217         (class Object): Add xindex_ parameter.  Declare virtual functoin
4218         do_initialize_xindex.
4219         (Object::adjust_sym_shndx): New function.
4220         (Object::set_xindex): New protected function.
4221         (class Symbol_value): Add is_ordinary_shndx_ field.
4222         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
4223         (Symbol_value::value): Assert ordinary section.
4224         (Symbol_value::initialize_input_to_output_map): Likewise.
4225         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
4226         Change all callers.
4227         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
4228         all callers.
4229         (class Sized_relobj): Update declarations.
4230         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
4231         parameter.  Change all callers.
4232         (Sized_relobj::adjust_shndx): New function.
4233         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
4234         field.
4235         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
4236         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
4237         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
4238         (Sized_dynobj::read_dynsym_section): Adjust section links.
4239         (Sized_dynobj::read_dynamic): Likewise.
4240         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
4241         section links.
4242         (Sized_dynobj::do_initialize_xindex): New function.
4243         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
4244         do_initialize_xindex.
4245         (Sized_dynobj::adjust_shndx): New function.
4246         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
4247         dynsym_xindex_ fields.
4248         (Layout::finalize): Add a call to set_section_indexes before
4249         creating the symtab sections.
4250         (Layout::set_section_indexes): Don't do anything if the section
4251         already has a section index.
4252         (Layout::create_symtab_sections): Add shnum parameter.  Change
4253         caller.  Create .symtab_shndx section if needed.
4254         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
4255         caller.
4256         (Layout::allocated_output_section_count): New function.
4257         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
4258         needed.
4259         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
4260         fields.  Update declarations.
4261         (Layout::symtab_xindex): New function.
4262         (Layout::dynsym_xindex): New function.
4263         (class Write_symbols_task): Add layout_ field.
4264         (Write_symbols_task::Write_symbols_task): Add layout parameter.
4265         Change caller.
4266         * output.cc (Output_section_headers::Output_section_headers): Add
4267         shstrtab_section parameter.  Change all callers.
4268         (Output_section_headers::do_sized_write): Store overflow values
4269         for section count and section string table section index in
4270         section header zero.
4271         (Output_file_header::do_sized_write): Check for overflow of
4272         section count and section string table section index.
4273         (Output_symtab_xindex::do_write): New function.
4274         (Output_symtab_xindex::endian_do_write): New function.
4275         * output.h (class Output_section_headers): Add shstrtab_section_.
4276         Update declarations.
4277         (class Output_symtab_xindex): Define.
4278         (Output_section::has_out_shndx): New function.
4279         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
4280         field.
4281         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
4282         Change all callers.
4283         (Sized_symbol::init): Likewise.
4284         (Symbol::output_section): Check for ordinary symbol.
4285         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
4286         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
4287         callers.
4288         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
4289         Change all callers.  Simplify handling of symbols from sections
4290         not included in the link.
4291         (Symbol_table::add_from_dynobj): Handle ordinary symbol
4292         distinction.
4293         (Weak_alias_sorter::operator()): Assert that symbols are
4294         ordinary.
4295         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
4296         distinction.
4297         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
4298         parameters.  Change all callers.
4299         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
4300         symbol distinction.  Use SHN_XINDEX when needed.
4301         (Symbol_table::write_section_symbol): Add symtab_xindex
4302         parameter.  Change all callers.
4303         (Symbol_table::sized_write_section_symbol): Likewise.  Use
4304         SHN_XINDEX when needed.
4305         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
4306         declarations.
4307         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
4308         (Symbol::is_defined): Check is_ordinary.
4309         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
4310         (Symbol::is_absolute, Symbol::is_common): Likewise.
4311         (class Sized_symbol): Update declarations.
4312         (class Symbol_table): Update declarations.
4313         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
4314         parameters.  Change all callers.
4315         (Sized_symbol::override): Likewise.
4316         (Symbol_table::override): Likewise.
4317         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
4318         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
4319         is_ordinary, and orig_st_shndx parameters.  Change all callers.
4320         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
4321         to be in an ordinary section.
4322         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
4323         object and is_ordinary parameters.  Change all callers.
4324         (Sized_dwarf_line_info::read_relocs): Add object parameter.
4325         Change all callers.  Don't add undefined or non-ordinary symbols
4326         to reloc_map_.
4327         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
4328         Change all callers.
4329         * dwarf_reader.h (class Sized_dwarf_line_info): Update
4330         declarations.
4331         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
4332         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
4333         (Sized_relobj::relocate_sections): Likewise.
4334         * target-reloc.h (scan_relocs): Adjust section symbol index.
4335         (scan_relocatable_relocs): Likewise.
4336         * i386.cc (Scan::local): Check for ordinary symbols.
4337         * sparc.cc (Scan::local): Likewise.
4338         * x86_64.cc (Scan::local): Likewise.
4339         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
4340         to symbol_section_and_value.
4341         * testsuite/many_sections_test.cc: New file.
4342         * testsuite/Makefile.am (BUILT_SOURCES): Define.
4343         (check_PROGRAMS): Add many_sections_test.
4344         (many_sections_test_SOURCES): Define.
4345         (many_sections_test_DEPENDENCIES): Define.
4346         (many_sections_test_LDFLAGS): Define.
4347         (BUILT_SOURCES): Add many_sections_define.h.
4348         (many_sections_define.h): New target.
4349         (BUILT_SOURCES): Add many_sections_check.h.
4350         (many_sections_check.h): New target.
4351         (check_PROGRAMS): Add many_sections_r_test.
4352         (many_sections_r_test_SOURCES): Define.
4353         (many_sections_r_test_DEPENDENCIES): Define.
4354         (many_sections_r_test_LDFLAGS): Define.
4355         (many_sections_r_test_LDADD): Define.
4356         (many_sections_r_test.o): New target.
4357         * testsuite/Makefile.in: Rebuild.
4358
4359 2008-04-17  Cary Coutant  <ccoutant@google.com>
4360
4361         * errors.cc (Errors::info): New function.
4362         (gold_info): New function.
4363         * errors.h (Errors::info): New function.
4364         * gold.h (gold_info): New function.
4365         * object.cc (Input_objects::add_object): Print trace output.
4366         * options.cc (options::parse_set): New function.
4367         (General_options::parse_wrap): Deleted.
4368         (General_options::General_options): Deleted initializer.
4369         * options.h (options::String_set): New typedef.
4370         (options::parse_set): New function.
4371         (DEFINE_set): New macro.
4372         (General_options::wrap): Changed to use DEFINE_set. Changed
4373         callers of any_wrap_symbols and is_wrap_symbol.
4374         (General_options::trace, General_options::trace_symbol):
4375         New options.
4376         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
4377         (General_options::wrap_symbols_): Deleted.
4378         * symtab.cc (Symbol_table::add_from_object): Print trace output.
4379
4380 2008-04-17  David S. Miller  <davem@davemloft.net>
4381
4382         * options.cc (General_options::parse_V): New function.
4383         * options.h: Add entries for -V and -Qy.
4384
4385 2008-04-17  Ian Lance Taylor  <iant@google.com>
4386
4387         * common.cc (Symbol_table::allocate_commons): Remove options
4388         parameter.  Change caller.
4389         (Symbol_table::do_allocate_commons): Remove options parameter.
4390         Change caller.  Just call do_allocate_commons_list twice.
4391         (Symbol_table::do_allocate_commons_list): New function, broken out
4392         of do_allocate_commons.
4393         * common.h (class Allocate_commons_task): Remove options_ field.
4394         Update constructor.
4395         * symtab.cc (Symbol_table::Symbol_table): Initialize
4396         tls_commons_.
4397         (Symbol_table::add_from_object): Put TLS common symbols on
4398         tls_commons_ list.
4399         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
4400         which are IN_OUTPUT_DATA.
4401         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
4402         allocate_commons and do_allocate_commons declarations.  Declare
4403         do_allocate_commons_list.
4404         * gold.cc (queue_middle_tasks): Update creation of
4405         Allocate_commons_task to not pass options.
4406         * testsuite/Makefile.am (INCLUDES): Add -I.. .
4407         (TLS_TEST_C_FLAGS): New variable.
4408         (tls_test_c_pic.o): New target.
4409         (tls_test_shared.so): Link in tls_test_c_pic.o.
4410         (tls_test_c_pic_ie.o): New target.
4411         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
4412         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
4413         (tls_test_c.o): New target.
4414         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
4415         (tls_pic_test_LDADD): Likewise.
4416         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
4417         (tls_shared_gd_to_ie_test_LDADD): Likewise.
4418         (tls_test_c_gnu2.o): New target.
4419         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
4420         tls_test_c_gnu2.o.
4421         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
4422         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
4423         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
4424         * testsuite/tls_test.cc: Include "config.h".
4425         (t_last): Call t11_last.
4426         * testsuite/tls_test.h (t11, t11_last): Declare.
4427         * testsuite/tls_test_c.c: New file.
4428         * testsuite/tls_test_main.cc (thread_routine): Call t11.
4429         * configure.ac: Check for OpenMP support.
4430         * configure, config.in, Makefile.in: Rebuild.
4431         * testsuite/Makefile.in: Rebuild.
4432
4433 2008-04-16  Cary Coutant  <ccoutant@google.com>
4434
4435         * i386.cc (Target_i386::define_tls_base_symbol): New function.
4436         (Target_i386::tls_base_symbol_defined_): New field.
4437         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
4438         (Target_i386::Scan::global): Likewise.
4439         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
4440         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
4441         (Target_x86_64::tls_base_symbol_defined_): New field.
4442         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
4443         (Target_x86_64::Scan::global): Likewise.
4444
4445 2008-04-16  Cary Coutant  <ccoutant@google.com>
4446
4447         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
4448         (Symbol::needs_plt_entry): Allow weak undefined symbols.
4449         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
4450         building shared libraries.
4451         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
4452         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
4453         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
4454         * testsuite/Makefile.in: Rebuild.
4455         * testsuite/weak_undef.h: New file.
4456         * testsuite/weak_undef_file1.cc: Add extra test cases.
4457         * testsuite/weak_undef_file2.cc: Likewise.
4458         * testsuite/weak_undef_test.cc: Likewise.
4459
4460 2008-04-16  David S. Miller  <davem@davemloft.net>
4461
4462         * sparc.cc (Target_sparc::Scan): Change from struct to class.
4463         Add issued_non_pic_error_ field.  Declare check_non_pic.
4464         (Target_sparc::Scan::check_non_pic): New function.
4465         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
4466         (Target_sparc::Scan::global): Likewise.
4467
4468         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
4469         * configure: Rebuild.
4470
4471         * options.h (DEFINE_enable): New macro.
4472         (new_dtags): New enable option.
4473         (initfirst, interpose, loadfltr, nodefaultlib,
4474         nodelete, nodlopen, nodump): New -z options.
4475         * layout.cc (Layout:finish_dynamic_section): If new
4476         dtags enabled, emit DT_RUNPATH.  Also, emit a
4477         DT_FLAGS_1 containing any specified -z flags.
4478
4479 2008-04-16  Ian Lance Taylor  <iant@google.com>
4480
4481         * copy-relocs.cc: New file.
4482         * copy-relocs.h: New file.
4483         * reloc.cc: Remove Copy_relocs code.
4484         * reloc.h: Likewise.
4485         * reloc-types.h (struct Reloc_types) [both versions]: Add
4486         get_reloc_addend_noerror.
4487         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
4488         variants of add_global which take an addend which must be zero.
4489         * i386.cc: Include "copy-relocs.h".
4490         (class Target_i386): Change type of copy_relocs_ to variable,
4491         update initializer.
4492         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
4493         Change all callers.
4494         (Target_i386::do_finalize_sections): Change handling of
4495         copy_relocs_.
4496         * sparc.cc: Include "copy-relocs.h".
4497         (class Target_sparc): Change type of copy_relocs_ to variable,
4498         update initializer.
4499         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
4500         Change all callers.
4501         (Target_sparc::do_finalize_sections): Change handling of
4502         copy_relocs_.
4503         * x86_64.cc: Include "copy-relocs.h".
4504         (class Target_x86_64): Change type of copy_relocs_ to variable,
4505         update initializer.
4506         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
4507         class.  Change all callers.
4508         (Target_x86_64::do_finalize_sections): Change handling of
4509         copy_relocs_.
4510         * Makefile.am (CCFILES): Add copy-relocs.cc.
4511         (HFILES): Add copy-relocs.h.
4512
4513         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
4514
4515         * testsuite/script_test_4.sh: Permit leading zeroes.
4516
4517 2008-04-15  Ian Lance Taylor  <iant@google.com>
4518
4519         * script-sections.cc (Script_sections::create_segments): Use
4520         header_size_adjustment even when there is enough room for the
4521         headers.
4522         * testsuite/script_test_4.sh: New file.
4523         * testsuite/script_test_4.t: New file.
4524         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
4525         (check_DATA): Add script_test_4.stdout.
4526         (MOSTLYCLEANFILES): Likewise.
4527         (script_test_4): New target.
4528         (script_test_4.stdout): New target.
4529         * testsuite/Makefile.in: Rebuild.
4530
4531         * sparc.cc: Add definitions for Output_data_plt_sparc class
4532         constants.
4533
4534 2008-04-14  David S. Miller  <davem@davemloft.net>
4535
4536         * sparc.cc: New file.
4537         * Makefile.am (TARGETSOURCES): Add sparc.cc
4538         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
4539         * configure.tgt: Document targ_extra_size and
4540         targ_extra_big_endian.  Add entries for sparc-* and
4541         sparc64-*.
4542         * configure.ac: Handle targ_extra_size and
4543         targ_extra_big_endian.
4544         * Makefile.in: Rebuild.
4545         * configure: Likewise.
4546         * po/POTFILES.in: Likewise.
4547         * po/gold.pot: Likewise.
4548
4549 2008-04-14  Ian Lance Taylor  <iant@google.com>
4550
4551         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
4552         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
4553         in the name/type/flags to section mapping.  Don't call
4554         allocate_output_section.
4555         (Layout::choose_output_section): Change parameter from adjust_name
4556         to is_input_section.  Don't permit input sections after sections
4557         are attached to segments.  Don't call allocate_output_section.
4558         (Layout::layout_eh_frame): Call update_flags_for_input_section,
4559         not write_enable_output_section.
4560         (Layout::make_output_section): Don't push to
4561         unattached_section_list_ nor call attach_to_segment.  Call
4562         attach_section_to_segment if sections are attached.
4563         (Layout::attach_sections_to_segments): New function.
4564         (Layout::attach_section_to_segment): New function.
4565         (Layout::attach_allocated_section_to_segment): Rename from
4566         attach_to_segment.  Remove flags parameter.
4567         (Layout::allocate_output_section): Remove function.
4568         (Layout::write_enable_output_section): Remove function.
4569         * layout.h (class Layout): Update for above changes.  Add new
4570         field sections_are_attached_.
4571         * output.h (Output_section::update_flags_for_input_section): New
4572         function.
4573         * output.cc (Output_section::add_input_section): Call
4574         update_flags_for_input_section.
4575         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
4576
4577 2008-04-11  Cary Coutant  <ccoutant@google.com>
4578
4579         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
4580         thought unnecessary.
4581         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
4582
4583 2008-04-11  Ian Lance Taylor  <iant@google.com>
4584
4585         * output.h (class Output_section_data): Remove inline definition
4586         of set_addralign.
4587         * output.cc (Output_section_data::set_addralign): New function.
4588
4589 2008-04-11  Cary Coutant  <ccoutant@google.com>
4590
4591         Add support for TLS descriptors for i386 and x86_64.
4592         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
4593         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
4594         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
4595         GOT_TYPE_TLS_DESC.
4596         (Target_i386::got_mod_index_entry): Remove unnecessary code.
4597         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
4598         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
4599         relocations.
4600         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
4601         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
4602         Fix problem with initial-exec relocations.
4603         (Target_i386::Relocate::relocate_tls): Likewise.
4604         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
4605         relaxation.
4606         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
4607         support for section-plus-offset dynamic table entries.
4608         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
4609         (Output_data_dynamic::Dynamic_entry): Add support for
4610         section-plus-offset dynamic table entries.
4611         (Output_data_dynamic::Classification): Likewise.
4612         (Output_data_dynamic::classification_): Renamed offset_.
4613         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
4614         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
4615         (Target_x86_64::make_plt_section): New function.
4616         (Target_x86_64::reserve_tlsdesc_entries): New function.
4617         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
4618         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
4619         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
4620         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
4621         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
4622         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
4623         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
4624         add extra PLT entry for TLS descriptors.
4625         (Output_data_plt_x86_64::got_): New field.
4626         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
4627         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
4628         fields.
4629         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
4630         descriptors.
4631         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
4632         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
4633         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
4634         R_386_TLS_DESC_CALL relocations.
4635         (Target_x86_64::Scan::global): Likewise.
4636         (Target_x86_64::do_finalize_sections): Add dynamic table entries
4637         for TLS descriptors.
4638         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
4639         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
4640         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
4641         GD-to-IE relaxation.
4642         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
4643         and TLS_DESCRIPTORS.
4644         * Makefile.in: Rebuild.
4645         * configure: Rebuild.
4646         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
4647         (tls_test_shared2.so): New target.
4648         (tls_shared_gd_to_ie_test_SOURCES): New variable.
4649         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
4650         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
4651         (tls_shared_gd_to_ie_test_LDADD): New variable.
4652         (tls_shared_gnu2_gd_to_ie_test): New target.
4653         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
4654         New targets.
4655         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
4656         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
4657         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
4658         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
4659         (tls_shared_gnu2_test): New target.
4660         (tls_test_gnu2_shared.so): New target.
4661         (tls_shared_gnu2_test_SOURCES): New variable.
4662         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
4663         (tls_shared_gnu2_test_LDFLAGS): New variable.
4664         (tls_shared_gnu2_test_LDADD): New variable.
4665         * testsuite/Makefile.in: Rebuild.
4666         * testsuite/Makefile.
4667
4668 2008-04-11  Ian Lance Taylor  <iant@google.com>
4669
4670         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
4671         justsyms.t.
4672         * testsuite/Makefile.in: Rebuild.
4673
4674         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
4675         long.
4676         * testsuite/script_test_2.cc (main): Adjust test.
4677
4678 2008-04-11  David S. Miller  <davem@davemloft.net>
4679             Ian Lance Taylor  <iant@google.com>
4680
4681         * options.h (General_options): Add entries for '-Y' and
4682         '-relax'.
4683         * options.cc (General_options:finalize): If -Y was used, add those
4684         entries to the library path instead of the default "/lib" and
4685         "/usr/lib".
4686
4687 2008-04-11  David S. Miller  <davem@davemloft.net>
4688
4689         * testsuite/justsyms.t: Start at 0x100.
4690         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
4691         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
4692         long.
4693         * testsuite/script_test_2.cc: Adjust string and section length
4694         checks.
4695
4696 2008-04-09  Ian Lance Taylor  <iant@google.com>
4697
4698         PR gold/5996
4699         * script-sections.cc (Sections_element::allocate_to_segment): Add
4700         orphan parameter.
4701         (Output_section_definition::allocate_to_segment): Likewise.
4702         (Orphan_output_section::allocate_to_segment): Likewise.
4703         (Script_sections::attach_sections_using_phdrs_clause): Don't
4704         propagate non-PT_LOAD segments to orphan sections.
4705         * testsuite/Makefile.am (script_test_3.stdout): Generate using
4706         readelf rather than objdump.
4707         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
4708         .interp section and PT_INTERP segment are the same size.
4709         * testsuite/Makefile.in: Rebuild.
4710
4711         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
4712         aliases for symbols defined in the same object.
4713         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
4714         (weak_alias_test_SOURCES): New variable.
4715         (weak_alias_test_DEPENDENCIES): New variable.
4716         (weak_alias_test_LDFLAGS): New variable.
4717         (weak_alias_test_LDADD): New variable.
4718         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
4719         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
4720         (weak_alias_test_3.o): New target.
4721         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
4722         * testsuite/weak_alias_test_main.cc: New file.
4723         * testsuite/weak_alias_test_1.cc: New file.
4724         * testsuite/weak_alias_test_2.cc: New file.
4725         * testsuite/weak_alias_test_3.cc: New file.
4726
4727 2008-04-08  Ian Lance Taylor  <iant@google.com>
4728
4729         * options.h (class General_options): Add --noinhibit-exec option.
4730         * main.cc (main): Check --noinhibit-exec.
4731
4732         * options.h (class General_options): Define --wrap as a special
4733         option.  Add wrap_symbols_ field.
4734         (General_options::any_wrap_symbols): New function.
4735         (General_options::is_wrap_symbol): New function.
4736         * options.cc (General_options::parse_wrap): New function.
4737         (General_options::General_options): Initialize wrap_symbols_.
4738         * symtab.cc (Symbol_table::wrap_symbol): New function.
4739         (Symbol_table::add_from_object): Handle --wrap.
4740         * symtab.h (class Symbol_table): Declare wrap_symbol.
4741         * target.h (Target::wrap_char): New function.
4742         (Target::Target_info): Add wrap_char field.
4743         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
4744         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
4745         * testsuite/testfile.cc (Target_test::test_target_info):
4746         Likewise.
4747
4748         * errors.cc (Errors::undefined_symbol): Mention symbol version if
4749         there is one.
4750
4751         * layout.h (class Layout): Add added_eh_frame_data_ field.
4752         * layout.cc (Layout::Layout): Initialize new field.
4753         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
4754         output section until we find a section we merged successfully.
4755         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
4756         that the size be non-zero.
4757
4758         * merge.cc (Object_merge_map::get_output_offset): Remove inline
4759         qualifier.
4760
4761 2008-04-08  Craig Silverstein  <csilvers@google.com>
4762
4763         * configure.ac: Export new conditional variable HAVE_ZLIB.
4764         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
4765         on HAVE_ZLIB.
4766         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
4767         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
4768
4769 2008-04-07  Ian Lance Taylor  <iant@google.com>
4770
4771         * version.cc (version_string): Set to "1.5".
4772
4773         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
4774         Add issued_non_pic_error_ field.  Declare check_non_pic.
4775         (Target_x86_64::Scan::check_non_pic): New function.
4776         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
4777         (Target_x86_64::Scan::global): Likewise.
4778
4779         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
4780         addend parameter.  Change caller.  Handle merge sections.
4781         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
4782         Address to Addend.  Don't add in the result of
4783         local_section_offset, pass down the addend and use the returned
4784         value.
4785         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
4786         Update declarations of local_section_offset and symbol_value.
4787         * testsuite/two_file_test_1.cc (t18): New function.
4788         * testsuite/two_file_test_2.cc (f18): New function.
4789         * testsuite/two_file_test_main.cc (main): Call t18.
4790         * testsuite/two_file_test.h (t18, f18): Declare.
4791
4792         * configure.ac: Don't test for objdump, c++filt, or readelf.
4793         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
4794         conditionals.
4795         (TEST_READELF): New variable.
4796         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
4797         (check_PROGRAMS): Add two_file_strip_test.
4798         (two_file_strip_test): New target.
4799         (check_PROGRAMS): Add two_file_same_shared_strip_test.
4800         (two_file_same_shared_strip_test_SOURCES): New variable.
4801         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
4802         (two_file_same_shared_strip_test_LDFLAGS): New variable.
4803         (two_file_same_shared_strip_test_LDADD): New variable.
4804         (two_file_shared_strip.so): New target.
4805         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
4806         (ver_test_5.syms, ver_test_7.syms): Likewise.
4807         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
4808         (strip_test_3.stdout): Use TEST_OBJDUMP.
4809         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
4810
4811 2008-04-04  Cary Coutant  <ccoutant@google.com>
4812
4813         * symtab.h (Symbol::is_weak_undefined): New function.
4814         (Symbol::is_strong_undefined): New function.
4815         (Symbol::is_absolute): New function.
4816         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
4817         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
4818         absolute symbols.
4819         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
4820         (weak_undef_test): New target.
4821         * testsuite/Makefile.in: Rebuild.
4822         * testsuite/weak_undef_file1.cc: New file.
4823         * testsuite/weak_undef_file2.cc: New file.
4824         * testsuite/weak_undef_test.cc: New file.
4825
4826 2008-04-03  Craig Silverstein  <csilvers@google.com>
4827
4828         * compressed_output.h (class Output_compressed_section): Use
4829         unsigned buffer.
4830         * compressed_output.cc (zlib_compress): Use unsigned buffers,
4831         add zlib header.
4832         (zlib_compressed_suffix): Removed.
4833         (Output_compressed_section::set_final_data_size): Use unsigned
4834         buffers.
4835         * testsuite/Makefile.am (flagstest_compress_debug_sections):
4836         Fix linker invocation.
4837         (flagstest_o_specialfile_and_compress_debug_sections):
4838         Likewise.
4839         * testsuite/Makefile.in: Regenerated.
4840
4841 2008-04-02  David S. Miller  <davem@davemloft.net>
4842
4843         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
4844         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
4845
4846 2008-04-02  Craig Silverstein  <csilvers@google.com>
4847
4848         * TODO: New file.
4849
4850 2008-04-02  Ian Lance Taylor  <iant@google.com>
4851
4852         * fileread.cc (File_read::find_view): Add byteshift and vshifted
4853         parameters.  Update for new key type to views_.  Change all
4854         callers.
4855         (File_read::read): Adjust for byteshift in returned view.
4856         (File_read::add_view): New function, broken out of
4857         find_and_make_view.
4858         (File_read::make_view): New function, broken out of
4859         find_and_make_view.
4860         (File_read::find_or_make_view): Add offset and aligned
4861         parameters.  Rewrite accordingly.  Change all callers.
4862         (File_read::get_view): Add offset and aligned parameters.  Adjust
4863         for byteshift in return value.
4864         (File_read::get_lasting_view): Likewise.
4865         * fileread.h (class File_read): Update declarations.
4866         (class File_read::View): Add byteshift_ field.  Add byteshift to
4867         constructor.  Add byteshift method.
4868         * archive.h (Archive::clear_uncached_views): New function.
4869         (Archive::get_view): Add aligned parameter.  Change all callers.
4870         * object.h (Object::get_view): Add aligned parameter.  Change all
4871         callers.
4872         (Object::get_lasting_view): Likewise.
4873
4874         * fileread.cc (File_read::release): Don't call clear_views if
4875         there are multiple objects.
4876         * fileread.h (File_read::clear_uncached_views): New function.
4877         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
4878         on the archive.
4879
4880 2008-03-31  Cary Coutant  <ccoutant@google.com>
4881
4882         Add thin archive support.
4883         * archive.cc (Archive::armagt): New const.
4884         (Archive::setup): Remove task parameter and calls to unlock.
4885         (Archive::unlock_nested_archives): New function.
4886         (Archive::read_header): Add nested_off parameter. Change
4887         all callers.
4888         (Archive::interpret_header): Likewise.
4889         (Archive::include_all_members): Change to handle thin
4890         archives.
4891         (Archive::include_member): Likewise.
4892         * archive.h (Archive::Archive): Add new parameters and
4893         initializers.
4894         (Archive::armagt): New const.
4895         (Archive::setup): Remove task parameter.
4896         (Archive::unlock_nested_archives): New function.
4897         (Archive::read_header): Add nested_off parameter.
4898         (Archive::interpret_header): Likewise.
4899         (Archive::Nested_archive_table): New typedef.
4900         (Archive::is_thin_archive_): New field.
4901         (Archive::nested_archives_): New field.
4902         (Archive::options_): New field.
4903         (Archive::dirpath_): New field.
4904         (Archive::task_): New field.
4905         * readsyms.cc (Read_symbols::do_read_symbols): Add check
4906         for thin archives.  Pass additional parameters to
4907         Archive::Archive.  Unlock the archive file after calling
4908         Archive::setup.
4909
4910 2008-03-29  Ian Lance Taylor  <iant@google.com>
4911
4912         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
4913         version symbol to be local.
4914         * testsuite/ver_test_4.sh: New file.
4915         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
4916         (check_DATA): Add ver_test_4.syms.
4917         (ver_test_4.syms): New target.
4918         * testsuite/Makefile.in: Rebuild.
4919
4920         * output.cc
4921         (Output_section::Input_section_sort_entry::has_priority): New
4922         function.
4923         (Output_section::Input_section_sort_entry::match_file_name): New
4924         function.
4925         (Output_section::Input_section_sort_entry::match_section_name):
4926         Remove.
4927         (Output_section::Input_section_sort_entry::match_section_name_prefix):
4928         Remove.
4929         (Output_section::Input_section_sort_entry::match_section_file):
4930         Remove.
4931         (Output_section::Input_section_sort_compare::operator()): Rewrite
4932         using new Input_section_sort_entry functions.  Sort crtbegin and
4933         crtend first.  Sort sections with no priority before sections with
4934         a priority.
4935         * testsuite/initpri1.c (d3): Check j != 4.
4936         (cd5): New constructor/destructor function.
4937         (main): Check j != 2.
4938
4939         * symtab.cc (Symbol_table::add_from_object): If we don't use the
4940         new symbol when resolving, don't call set_is_default.
4941         * testsuite/ver_test_7.cc: New file.
4942         * testsuite/ver_test_7.sh: New file.
4943         * testsuite/Makefile.am (ver_test_7.so): New target.
4944         (ver_test_7.o): New target.
4945         (check_SCRIPTS): Add ver_test_7.sh.
4946         (check_DATA): Add ver_test_7.syms.
4947         (ver_test_7.syms): New target.
4948
4949 2008-03-28  Ian Lance Taylor  <iant@google.com>
4950
4951         * layout.cc (Layout::layout): If we see an input section with a
4952         name that needs sorting, set the must_sort flag for the output
4953         section.
4954         (Layout::make_output_section): If the name of the output section
4955         indicates that it might require sorting, set the may_sort flag.
4956         * output.h (Output_section::may_sort_attached_input_sections): New
4957         function.
4958         (Output_section::set_may_sort_attached_input_sections): New
4959         function.
4960         (Output_section::must_sort_attached_input_sections): New
4961         function.
4962         (Output_section::set_must_sort_attached_input_sections): New
4963         function.
4964         (class Output_section): Declare Input_section_sort_entry.  Define
4965         Input_section_sort_compare.  Declare
4966         sort_attached_input_sections.  Add new fields:
4967         may_sort_attached_input_sections_,
4968         must_sort_attached_input_sections_,
4969         attached_input_sections_are_sorted_.
4970         * output.cc (Output_section::Output_section): Initialize new
4971         fields.
4972         (Output_section::add_input_section): Add an entry to
4973         input_sections_ if may_sort or must_sort are true.
4974         (Output_section::set_final_data_size): Call
4975         sort_attached_input_sections if necessary.
4976         (Output_section::Input_section_sort_entry): Define new class.
4977         (Output_section::Input_section_sort_compare::operator()): New
4978         function.
4979         (Output_section::sort_attached_input_sections): New function.
4980         * configure.ac: Check whether the compiler supports constructor
4981         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
4982         * testsuite/initpri1.c: New file.
4983         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
4984         CONSTRUCTOR_PRIORITY.
4985         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
4986         (initpri1_LDFLAGS): New variable.
4987         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
4988
4989 2008-03-27  Ian Lance Taylor  <iant@google.com>
4990
4991         * common.cc (Sort_commons::operator): Correct sorting algorithm.
4992         * testsuite/common_test_1.c: New file.
4993         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
4994         (common_test_1_SOURCES): New variable.
4995         (common_test_1_DEPENDENCIES): New variable.
4996         (common_test_1_LDFLAGS): New variable.
4997
4998         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
4999         and commons_ correctly when NAME/VERSION does not override
5000         NAME/NULL.
5001         * testsuite/ver_test_6.c: New file.
5002         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
5003         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
5004         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
5005
5006 2008-03-26  Ian Lance Taylor  <iant@google.com>
5007
5008         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
5009         of an undefined symbol from a version script.
5010         * testsuite/Makefile.am (ver_test_5.so): New target.
5011         (ver_test_5.o): New target.
5012         (check_SCRIPTS): Add ver_test_5.sh.
5013         (check_DATA): Add ver_test_5.syms.
5014         (ver_test_5.syms): New target.
5015         * testsuite/ver_test_5.cc: New file.
5016         * testsuite/ver_test_5.script: New file.
5017         * testsuite/ver_test_5.sh: New file.
5018         * Makefile.in, testsuite/Makefile.in: Rebuild.
5019
5020         PR gold/5986
5021         Fix problems building gold with gcc 4.3.0.
5022         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
5023         (gold_error_at_location, gold_warning_at_location): Use it.
5024         * configure.ac: Check whether we can compile and use a template
5025         function with a printf attribute.
5026         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
5027         when jumping over bytes.
5028         * object.cc: Instantiate Object::read_section_data.
5029         * debug.h: Include <cstring>
5030         * dwarf_reader.cc: Include <algorithm>
5031         * main.cc: Include <cstring>.
5032         * options.cc: Include <cstring>.
5033         * output.cc: Include <cstring>.
5034         * script.cc: Include <cstring>.
5035         * script.h: Include <string>.
5036         * symtab.cc: Include <cstring> and <algorithm>.
5037         * target-select.cc: Include <cstring>.
5038         * version.cc: Include <string>.
5039         * testsuite/testmain.cc: Include <cstdlib>.
5040         * configure, config.in: Rebuild.
5041
5042 2008-03-25  Ian Lance Taylor  <iant@google.com>
5043
5044         * options.cc: Include "../bfd/bfdver.h".
5045         (options::help): Print bug reporting address.
5046
5047         * version.cc (print_version): Adjust output for current value of
5048         BFD_VERSION_STRING.
5049
5050         * NEWS: New file.
5051
5052         * options.cc (options::help): Print list of supported targets.
5053         * target-select.h: Include <vector>.
5054         (class Target_selector): Make machine_, size_, and is_big_endian_
5055         fields const.  Add bfd_name_ and instantiated_target_ fields.
5056         (Target_selector::Target_selector): Add bfd_name parameter.
5057         (Target_selector::recognize): Make non-virtual, call
5058         do_recognize.
5059         (Target_selector::recognize_by_name): Make non-virtual, call
5060         do_recognize_by_name.
5061         (Target_selector::supported_names): New function.
5062         (Target_selector::bfd_name): New function.
5063         (Target_selector::do_instantiate_target): New pure virtual
5064         function.
5065         (Target_selector::do_recognize): New virtual function.
5066         (Target_selector::do_recognize_by_name): New virtual function.
5067         (Target_selector::instantiate_target): New private function.
5068         (supported_target_names): Declare.
5069         * target-select.cc (Target_selector::Target_selector): Update for
5070         new parameter and fields.
5071         (select_target_by_name): Check that the name matches before
5072         calling recognize_by_name.
5073         (supported_target_names): New function.
5074         * i386.cc (class Target_selector_i386): Update Target_selector
5075         constructor call.  Remove recognize and recognize_by_name.  Add
5076         do_instantiate_target.
5077         * x86_64.cc (class Target_selector_x86_64): Likewise.
5078         * testsuite/testfile.cc (class Target_selector_test): Update for
5079         changes to Target_selector.
5080
5081         * README: Rewrite, with some notes on unsupported features.
5082
5083 2008-03-24  Cary Coutant  <ccoutant@google.com>
5084
5085         * i386.cc (Target_i386::Got_type): New enum declaration.
5086         (Target_i386::Scan::local): Updated callers of Output_data_got
5087         member functions.
5088         (Target_i386::Scan::global): Likewise.
5089         (Target_i386::Relocate::relocate): Likewise.
5090         (Target_i386::Relocate::relocate_tls): Likewise.
5091         * object.h (Got_offset_list): New class.
5092         (Sized_relobj::local_has_got_offset): Added got_type parameter.
5093         (Sized_relobj::local_got_offset): Likewise.
5094         (Sized_relobj::set_local_got_offset): Likewise.
5095         (Sized_relobj::local_has_tls_got_offset): Removed.
5096         (Sized_relobj::local_tls_got_offset): Removed.
5097         (Sized_relobj::set_local_tls_got_offset): Removed.
5098         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
5099         * output.cc (Output_data_got::add_global): Added got_type parameter.
5100         (Output_data_got::add_global_with_rel): Likewise.
5101         (Output_data_got::add_global_with_rela): Likewise.
5102         (Output_data_got::add_global_pair_with_rel): New function.
5103         (Output_data_got::add_global_pair_with_rela): New function.
5104         (Output_data_got::add_local): Added got_type parameter.
5105         (Output_data_got::add_local_with_rel): Likewise.
5106         (Output_data_got::add_local_with_rela): Likewise.
5107         (Output_data_got::add_local_pair_with_rel): New function.
5108         (Output_data_got::add_local_pair_with_rela): New function.
5109         (Output_data_got::add_global_tls): Removed.
5110         (Output_data_got::add_global_tls_with_rel): Removed.
5111         (Output_data_got::add_global_tls_with_rela): Removed.
5112         (Output_data_got::add_local_tls): Removed.
5113         (Output_data_got::add_local_tls_with_rel): Removed.
5114         (Output_data_got::add_local_tls_with_rela): Removed.
5115         * output.h (Output_data_got::add_global): Added got_type parameter.
5116         (Output_data_got::add_global_with_rel): Likewise.
5117         (Output_data_got::add_global_with_rela): Likewise.
5118         (Output_data_got::add_global_pair_with_rel): New function.
5119         (Output_data_got::add_global_pair_with_rela): New function.
5120         (Output_data_got::add_local): Added got_type parameter.
5121         (Output_data_got::add_local_with_rel): Likewise.
5122         (Output_data_got::add_local_with_rela): Likewise.
5123         (Output_data_got::add_local_pair_with_rel): New function.
5124         (Output_data_got::add_local_pair_with_rela): New function.
5125         (Output_data_got::add_global_tls): Removed.
5126         (Output_data_got::add_global_tls_with_rel): Removed.
5127         (Output_data_got::add_global_tls_with_rela): Removed.
5128         (Output_data_got::add_local_tls): Removed.
5129         (Output_data_got::add_local_tls_with_rel): Removed.
5130         (Output_data_got::add_local_tls_with_rela): Removed.
5131         * resolve.cc (Symbol::override_base_with_special): Removed
5132         reference to has_got_offset_ field.
5133         * symtab.cc (Symbol::init_fields): Replaced initialization
5134         of got_offset_ with got_offsets_.  Removed initialization
5135         of has_got_offset_
5136         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
5137         (Symbol::got_offset): Likewise.
5138         (Symbol::set_got_offset): Likewise.
5139         (Symbol::has_tls_got_offset): Removed.
5140         (Symbol::tls_got_offset): Removed.
5141         (Symbol::set_tls_got_offset): Removed.
5142         (Symbol::got_offset_): Removed.
5143         (Symbol::tls_mod_got_offset_): Removed.
5144         (Symbol::tls_pair_got_offset_): Removed.
5145         (Symbol::got_offsets_): New field.
5146         (Symbol::has_got_offset): Removed.
5147         (Symbol::has_tls_mod_got_offset): Removed.
5148         (Symbol::has_tls_pair_got_offset): Removed.
5149         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
5150         (Target_x86_64::Scan::local): Updated callers of Output_data_got
5151         member functions.
5152         (Target_x86_64::Scan::global): Likewise.
5153         (Target_x86_64::Relocate::relocate): Likewise.
5154         (Target_x86_64::Relocate::relocate_tls): Likewise.
5155
5156 2008-03-25  Ben Elliston  <bje@au.ibm.com>
5157
5158         * yyscript.y: Fix spelling error in comment.
5159
5160 2008-03-24  Ian Lance Taylor  <iant@google.com>
5161
5162         * options.h (class General_options): Define build_id option.
5163         * layout.h (class Layout): Declare write_build_id, create_note,
5164         create_build_id.  Add build_id_note_ member.
5165         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
5166         "libiberty.h", "md5.h", "sha1.h".
5167         (Layout::Layout): Initialize eh_frame_data_,
5168         eh_frame_hdr_section_, and build_id_note_.
5169         (Layout::finalize): Call create_build_id.
5170         (Layout::create_note): New function, broken out of
5171         Layout::create_gold_note.
5172         (Layout::create_gold_note): Call create_note.
5173         (Layout::create_build_id): New function.
5174         (Layout::write_build_id): New function.
5175         (Close_task_runner::run): Call write_build_id.
5176
5177         * x86_64.cc: Correct license to GPLv3.
5178
5179 2008-03-23  Ian Lance Taylor  <iant@google.com>
5180
5181         * options.cc: Include "demangle.h".
5182         (parse_optional_string): New function.
5183         (parse_long_option): Handle takes_optional_argument.
5184         (parse_short_option): Update dash_z initializer.  Handle
5185         takes_optional_argument.
5186         (General_options::General_options): Initialize do_demangle_.
5187         (General_options::finalize): Set do_demangle_.  Handle demangling
5188         style.
5189         * options.h (parse_optional_string): Declare.
5190         (struct One_option): Add optional_arg field.  Update constructor.
5191         Update call constructor calls.  Add takes_optional_argument
5192         function.
5193         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
5194         (DEFINE_optional_string): Define.
5195         (General_options::demangle): Change from DEFINE_bool to
5196         DEFINE_optional_string.
5197         (General_options::no_demangle): New function.
5198         (General_options::do_demangle): New function.
5199         (General_options::set_do_demangle): New function.
5200         (General_options::execstack_status_): Move definition to end of
5201         class definition.
5202         (General_options::static_): Likewise.
5203         (General_options::do_demangle_): New field.
5204         * object.cc (big_endian>::get_symbol_location_info): Call
5205         Options::do_demangle, not Options::demangle.
5206         * symtab.cc (demangle): Likewise.
5207
5208 2008-03-22  Ian Lance Taylor  <iant@google.com>
5209
5210         * gold.h: Include <cstddef> and <sys/types.h>
5211         * options.h: Include <cstring>.
5212
5213 2008-03-21  Ian Lance Taylor  <iant@google.com>
5214
5215         * Added source code to GNU binutils.