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2009-12-05 Doug Kwan <dougkwan@google.com>
[pf3gnuchains/pf3gnuchains3x.git] / gold / ChangeLog
1 2009-12-05  Doug Kwan  <dougkwan@google.com>
2
3         * arm.cc: Update comments about interworking and stub generation.
4         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
5         considered as non-PIC.
6         (Arm_relocate_functions::base_abs): Fix formatting.
7         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
8         of function to use GOT entry address instead of offset.
9         (Target_arm::Scan::global): Issue an error if a symbol would need a
10         PLT does not get one because it is untyped.  Remove code to create
11         dynamic symbols for relative branches.
12         (Target_arm::Relocate::relocate: Use 0 instead of false since function
13         takes unsigned integer instead of boolean.
14
15 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
16
17         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
18         (two_file_test_LDADD): Likewise.
19         (common_test_1_LDADD): Likewise.
20         (exception_test_LDADD) Likewise.
21         (weak_test_LDADD): Likewise.
22         (many_sections_test_LDADD): Likewise.
23         (initpri1_LDADD): Likewise.
24         (script_test_1_LDADD): Likewise.
25         (script_test_2_LDADD): Likewise.
26         (justsyms_LDADD): Likewise.
27         (binary_test_LDADD): Likewise.
28         (large_LDADD): Likewise.
29         * testsuite/Makefile.in: Regenerated.
30
31 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
32
33         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
34         (Symbol_table::override_with_special): Likewise.
35         (Symbol_table::add_from_object): Likewise.
36
37 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
38
39         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
40         Don't set the data_offset twice.
41
42 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
43
44         * testsuite/Makefile.in: Regenerate.
45
46 2009-12-03  Doug Kwan  <dougkwan@google.com>
47
48         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
49         (Target_arm::do_finalize_sections): Add parameter for symbol table
50         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
51         * i386.cc (Target_i386::do_finalize_sections): Add an additional
52         parameter for symbol table pointer.
53         * layout.cc (Layout::finalize): Call Target::finalize_sections with
54         an additional parameter for a pointer to symbol table.
55         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
56         parameter for a symbol table pointer.
57         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
58         * target.h (Target::finalize_sections, Target::do_finalize_sections):
59         Ditto.
60         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
61         parameter for a symbol table pointer.
62
63 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
64
65         * incremental.cc (Incremental_inputs_header)
66         (Incremental_inputs_header_write, Incremental_inputs_entry)
67         (Incremental_inputs_entry_write): Move ...
68         * incremental.h (Incremental_inputs_header)
69         (Incremental_inputs_header_write, Incremental_inputs_entry)
70         (Incremental_inputs_entry_write): here.
71
72 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
73
74         * incremental.cc (make_sized_incremental_binary): Set the target.
75         Error if it is incompatible.
76         * output.h (Output_file): Add filename method.
77
78 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
79
80         * incremental.cc (Incremental_inputs_entry): Remove unused argument
81         from the get_* methods.
82
83 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
84
85         * incremental-dump.cc (main): Check that the offeset of a script is 0.
86         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
87         Write 0 for the data_offset of scripts.
88
89 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
90
91         * testsuite/Makefile.am: Add the incremental_test.sh test.
92         * testsuite/incremental_test.sh: New.
93         * testsuite/incremental_test_1.c: New.
94         * testsuite/incremental_test_2.c: New.
95
96 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
97
98        * incremental-dump.cc (main): Fix typos.
99
100 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
101
102         PR gold/11025
103         * incremental-dump.cc (main): Use llu to print 64 bit values.
104
105 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
106             H.J. Lu  <hongjiu.lu@intel.com>
107
108         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
109         $(LIBDL).
110         (incremental_dump_LDADD): Likewise.
111         * Makefile.in: Regenerated.
112
113 2009-11-25  Doug Kwan  <dougkwan@google.com>
114         
115         Revert:
116
117         2009-11-25  Doug Kwan  <dougkwan@google.com>
118
119                 * arm.cc (Target_arm::Target_arm): Move method definition
120                 outside of class definition.  Add code to handle
121                 --target1-rel, --target1-abs and --target2= options.
122                 (Target_arm::get_reloc_reloc_type): Change method to be
123                 non-static and const.
124                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
125                 New data member declaration.
126                 (Target_arm::Scan::local, Target_arm::Scan::global,
127                 Target_arm::Relocate::relocate,
128                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
129                 Adjust call to Target_arm::get_real_reloc_type.
130                 (Target_arm::get_real_reloc_type): Use command line options
131                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
132                 * options.h (--target1-rel, --target1-abs, --target2): New
133                 ARM-only options.
134
135 2009-11-25  Doug Kwan  <dougkwan@google.com>
136
137         * arm.cc (Target_arm::Target_arm): Move method definition outside of
138         class definition.  Add code to handle --target1-rel, --target1-abs
139         and --target2= options.
140         (Target_arm::get_reloc_reloc_type): Change method to be non-static
141         and const.
142         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
143         member declaration.
144         (Target_arm::Scan::local, Target_arm::Scan::global,
145         Target_arm::Relocate::relocate,
146         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
147         call to Target_arm::get_real_reloc_type.
148         (Target_arm::get_real_reloc_type): Use command line options to
149         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
150         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
151         options.
152
153 2009-11-25  Doug Kwan  <dougkwan@google.com>
154
155         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
156         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
157         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
158         formatting.
159         (Arm_relocate_functions::thm_call): Replace body with a call to
160         Arm_relocate_functions::thumb_branch_common.
161         (Arm_relocate_functions::thm_jump24,
162         Arm_relocate_functions::thm_xpc22): New method definitions.
163         (Arm_relocate_functions::thumb_branch_common): New method definition.
164         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
165         operator.
166         (Target_arm::Relocate::relocate): Adjust call to thm_call.
167         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
168
169 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
170
171         * Makefile.am: Build incremental-dump
172         * Makefile.in: Regenerate.
173         * incremental-dump.cc: New.
174         * incremental.cc (Incremental_inputs_header_data,
175         Incremental_inputs_entry_data): Move to incremental.h
176         * incremental.h: (Incremental_inputs_header_data,
177         Incremental_inputs_entry_data): Move from incremental.cc
178
179 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
180
181         * incremental.cc (Incremental_inputs_header,
182         Incremental_inputs_header_write, Incremental_inputs_entry,
183         Incremental_inputs_entry_write): Add a typedef with the data type.
184
185 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
186
187         * incremental.cc (Incremental_inputs_header,
188         Incremental_inputs_header_write, Incremental_inputs_entry,
189         Incremental_inputs_entry_write): Update comment about which
190         type has the filed descriptions.
191
192 2009-11-15  Doug Kwan  <dougkwan@google.com>
193
194         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
195         (Arm_relocate_functions::arm_branch_common): Change method defintion
196         in class definition to a method declaration and update list of formal
197         parameters.
198         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
199         Arm_relocation_functions::jump24): Adjust call to
200         Arm_relocate_functions::arm_branch_common.  Update list of formal
201         parameters.
202         (Arm_relocate_functions::xpc25): New method definition.
203         (Arm_relocate_functions::arm_branch_common): Move method defintion
204         out from class definition.  Use stubs for mode-switching and extending
205         branch ranges.
206         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
207         specially.  Change code to enable use of stubs in ARM branches.
208
209 2009-11-10  Doug Kwan  <dougkwan@google.com>
210
211         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
212         in method declaration.
213         (Target_arm::relocate_stub): New method declaration.
214         (Target_arm::default_target): Change to return a pointer instead of
215         a const reference.
216         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
217         Target_arm::default_target.
218         (Arm_Relobj::do_relocate_sections): Remove options paramater in
219         method definition.
220         (Target_arm::relocate_section): Adjust view.
221         (Target_arm::relocate_stub): New method definition.
222
223 2009-11-10  Doug Kwan  <dougkwan@google.com>
224
225         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
226         a format warning.
227         * incremental.cc (open_incremental_binary): Initialized local
228         variables to avoid warnings.
229         * object.cc (make_elf_object): Ditto.
230         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
231         a format warning.
232  
233 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
234
235         PR gold/10930
236         * testsuite/plugin_test.c: Include "config.h".
237
238 2009-11-09  Doug Kwan  <dougkwan@google.com>
239
240         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
241         (arm_symbol_value): Remove.
242         (Arm_relocate_functions::arm_branch_common,
243         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
244         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
245         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
246         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
247         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
248         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
249         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
250         Arm_relocate_functions::thm_mobw_abs_nc,
251         Arm_relocate_functions::thm_mov_abs,
252         Arm_relocate_functions::movw_prel_nc,
253         Arm_relocate_functions::thm_movt_abs,
254         Arm_relocate_functions::movt_prel,
255         Arm_relocate_functions::thm_movw_prel_nc,
256         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
257         (Target_arm::Relocate::relocate): Only decompose address into two
258         parts if relocation type uses the thumb-bit and pass the actual
259         bit instead of a flag indicating that the thumb-bit is used.  Adjust
260         calls to methods in Arm_relocate_functions for this change.
261
262 2009-11-08  Ian Lance Taylor  <ian@airs.com>
263
264         PR 10925
265         * reloc.cc: Instantiate
266         Sized_relobj::initialize_input_to_output_maps and
267         Sized_relobj:free_input_to_output_maps.
268
269 2009-11-06  Ian Lance Taylor  <iant@google.com>
270
271         PR 10876
272         * defstd.cc (in_segment): Set only_if_ref true for "end".
273
274 2009-11-06  Doug Kwan  <dougkwan@google.com>
275
276         * arm.cc (class Reloc_stub): Correct a comment.
277         (Target_arm::Target_arm): Initialize arm_input_section_map_.
278         (Target_arm::scan_section_for_stubs): New method declaration.
279         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
280         Change methods from private to protected.
281         (Target_arm::do_may_relax): New method definition.
282         (Target_arm::do_relax, Target_arm::group_sections,
283         Target_arm::scan_reloc_for_stub,
284         Target_arm::scan_reloc_section_for_stubs): New method declarations.
285         (Target_arm::arm_input_section_map_): New data member declaration.
286         (Target_arm::scan_reloc_for_stub,
287         Target_arm::scan_reloc_section_for_stubs,
288         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
289         Target_arm::do_relax): New method definitions.
290
291 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
292
293         * configure.ac: Check for (struct stat)::st_mtim
294         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
295         * config.in: Regenerate.
296         * configure: Regenerate.
297
298 2009-11-05  Ian Lance Taylor  <iant@google.com>
299
300         PR 10910
301         * output.cc (Output_segment::add_output_section): Add missing
302         return statement.
303
304 2009-11-04  Ian Lance Taylor  <iant@google.com>
305
306         PR 10880
307         * object.h (class Object): Add is_needed and set_is_needed
308         methods.  Add is_needed_ field.  Make bool fields into bitfields.
309         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
310         defined in a dynamic object and referenced by a regular object,
311         set is_needed for the dynamic object.
312         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
313         if the file is marked with as_needed and it is not needed.
314
315 2009-11-04  Ian Lance Taylor  <iant@google.com>
316
317         PR 10887
318         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
319         tags if data is discarded by linker script.
320         * i386.cc (Target_i386::do_finalize_sections): Likewise.
321         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
322         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
323         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
324
325 2009-11-04  Ian Lance Taylor  <iant@google.com>
326
327         * layout.cc (Layout::get_output_section): Add is_interp and
328         is_dynamic_linker_section parameters.  Change all callers.
329         (Layout::choose_output_section): Likewise.
330         (Layout::make_output_section): Likewise.
331         (Layout::add_output_section_data): Add is_dynamic_linker_section
332         parameter.  Change all callers.
333         * layout.h (class Layout): Update declarations.
334         * output.h (class Output_section): Add is_interp, set_is_interp,
335         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
336         Add is_interp_, is_dynamic_linker_section_ fields.  Change
337         generate_code_fills_at_write_ to a bitfield.
338         * output.cc (Output_section::Output_sections): Initialize new
339         fields.
340         (Output_segment::add_output_section): Add do_sort parameter.
341         Change all callers.
342
343 2009-11-03  Ian Lance Taylor  <iant@google.com>
344
345         PR 10860
346         * options.h (class General_options): Add --warn-common.
347         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
348         merging two common symbols.
349         (Symbol_table::should_override): Handle --warn-common when merging
350         a common symbol with a defined symbol.  Use report_resolve_problem
351         for multiple definitions.
352         (Symbol_table::report_resolve_problem): New function.
353         * symtab.h (class Symbol_table): Declare report_resolve_problem.
354
355 2009-11-03  Doug Kwan  <dougkwan@google.com>
356
357         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
358         stub_factory_.
359         (Target_arm::stub_factory): New method definition.
360         (Target_arm::new_arm_input_section,
361         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
362         Target_arm::reloc_uses_thumb_bit): New method declarations.
363         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map): 
364         New type definitions.
365         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
366         member declarations.
367         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
368         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
369         New method definitions.
370
371 2009-11-03  Ian Lance Taylor  <iant@google.com>
372
373         * options.h (class General_options): Add --warn_constructors.
374
375 2009-11-03  Ian Lance Taylor  <iant@google.com>
376
377         PR 10893
378         * defstd.cc (in_section): Add entries for __rel_iplt_start,
379         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
380
381 2009-11-03  Ian Lance Taylor  <iant@google.com>
382
383         PR 10895
384         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
385         --msgid-bugs-address.
386         (install-pdf): New target.
387         (install-data_yes): Look up one directory to find mkinstalldirs.
388
389 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
390
391         * po/Make-in (.po.gmo): Don't generate .gmo files in source
392         tree.
393
394 2009-10-30  Doug Kwan  <dougkwan@google.com>
395
396         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
397
398 2009-10-30  Doug Kwan  <dougkwan@google.com>
399
400         * arm.cc (Stub_addend_reader): New struct template definition
401         and partial specializations.
402         (Stub_addend_reader::operator()): New method definition for a
403         partially specialized template.
404
405 2009-10-30  Doug Kwan  <dougkwan@google.com>
406
407         * arm.cc (Arm_relobj::processor_specific_flags): New method
408         definition.
409         (Arm_relobj::do_read_symbols): New method declaration.
410         (Arm_relobj::processor_specific_flags_): New data member declaration.
411         (Arm_dynobj): New class definition.
412         (Target_arm::do_finalize_sections): Add input_objects parameter.
413         (Target_arm::do_adjust_elf_header): New method declaration.
414         (Target_arm::are_eabi_versions_compatible,
415         (Target_arm::merge_processor_specific_flags): New method declaration.
416         (Target_arm::do_make_elf_object): New overloaded method definitions
417         and declaration.
418         (Arm_relobj::do_read_symbols): New method definition.
419         (Arm_dynobj::do_read_symbols): Ditto.
420         (Target_arm::do_finalize_sections): Add input_objects parameters.
421         Merge processor-specific flags from all input objects.
422         (Target_arm::are_eabi_versions_compatible,
423         Target_arm::merge_processor_specific_flags,
424         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
425         New method definitions.
426         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
427         Input_objects pointer type parameter.
428         * layout.cc (Layout::finalize): Pass input objects to target's.
429         finalize_sections function.
430         * output.cc (Output_file_header::do_sized_write): Set ELF file
431         header's processor-specific flags.
432         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
433         Input_objects pointer type parameter.
434         * sparc.cc (Target_sparc::do_finalize_sections): Same.
435         * target.h (Input_objects): New forward class declaration.
436         (Target::processor_specific_flags,
437         Target::are_processor_specific_flags_sect): New method definitions.
438         (Target::finalize_sections): Add input_objects parameter.
439         (Target::Target): Initialize processor_specific_flags_ and
440         are_processor_specific_flags_set_.
441         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
442         parameter.
443         (Target::set_processor_specific_flags): New method definition.
444         (Target::processor_specific_flags_,
445         Target::are_processor_specific_flags_set_): New data member
446         declarations.
447         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
448         Input_objects pointer type parameter.
449
450 2009-10-30  Doug Kwan  <dougkwan@google.com>
451
452         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
453
454 2009-10-28  Ian Lance Taylor  <iant@google.com>
455
456         * object.h (class Relobj): Drop options parameter from
457         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
458         do_scan_relocs, do_relocate.  Change all callers.
459         (class Sized_relobj): Drop options parameters from
460         do_gc_process_relocs, do_scan_relocs, do_relocate,
461         do_relocate_sections, relocate_sections, emit_relocs_scan,
462         emit_relocs_scan_reltype.  Change all callers.
463         (struct Relocate_info): Remove options field and all references to
464         it.
465         * reloc.h (class Read_relocs): Remove options constructor
466         parameter and options_ field.  Change all callers.
467         (class Gc_process_relocs, class Scan_relocs): Likewise.
468         (class Relocate_task): Likewise.
469         * target-reloc.h (scan_relocs): Remove options parameter.  Change
470         all callers.
471         (scan_relocatable_relocs): Likewise.
472         * target.h (class Sized_target): Remove options parameter from
473         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
474         all callers.
475         * gc.h (gc_process_relocs): Remove options parameter.  Change all
476         callers.
477         * arm.cc: Update functions to remove options parameters.
478         * i386.cc: Likewise.
479         * powerpc.cc: Likewise.
480         * sparc.cc: Likewise.
481         * x86_64.cc: Likewise.
482         * testsuite/testfile.cc: Likewise.
483
484 2009-10-28  Doug Kwan  <dougkwan@google.com>
485
486         * arm.cc (Arm_relobj): New class definition.
487         (Arm_relobj::scan_sections_for_stubs, 
488         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
489         New method definitions.
490
491 2009-10-28  Cary Coutant  <ccoutant@google.com>
492
493         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
494         (Plugin::cleanup_done_): New member.
495         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
496         (Plugin_manager::cleanup_done_): Remove.
497         (Plugin_manager::add_input_file): Edit error message.
498         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
499         (Plugin_manager::cleanup): Remove use of cleanup_done_.
500
501 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
502
503         * fileread.cc: (File_read::View::~View): Use the new
504         data_ownership_ filed.
505         (File_read::~File_read): Dispose the new whole_file_view_.
506         (File_read::open): Mmap the whole file if needed.
507         (File_read::open): Use whole_file_view_ instead of contents_.
508         (File_read::find_view): Use whole_file_view_ if applicable.
509         (File_read::do_read): Use whole_file_view_ instead of contents_.
510         (File_read::make_view): Use whole_file_view_ instead of contents_,
511         update File_read::View::View call.
512         (File_read::find_or_make_view): Update File_read::View::View
513         call.
514         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
515         remove contents_
516         (File_read::View::Data_ownership): New enum.
517         (File_read::View::View): Replace bool mapped_ with Data_ownership
518         argument.
519         (File_read::View::mapped_): Remove (replaced by data_ownership_).
520         (File_read::View::data_ownership_): New field.
521         (File_read::contents_): Remove (replaced by whole_file_view_).
522         (File_read::whole_file_view_): New field.
523         * options.h (class General_options): Add --keep-files-mapped.
524
525 2009-10-27  Cary Coutant  <ccoutant@google.com>
526
527         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
528         * testsuite/Makefile.am (plugin_test_5): New test case.
529         * testsuite/Makefile.in: Regenerate.
530
531 2009-10-25  Doug Kwan  <dougkwan@google.com>
532
533         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
534         from private to protected to allow access by child class.
535         (Sized_relobj::do_relocate_sections): New method declaration.
536         (Sized_relobj::relocate_sections): Virtualize.
537         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from 
538         Sized_relobj::relocate_sections.  Instantiate template explicitly
539         for different target sizes and endianity.
540
541 2009-10-24  Doug Kwan  <dougkwan@google.com>
542
543         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
544         (Arm_input_section::as_arm_input_section): New method.
545         (Arm_output_section): New class definition.
546         (Arm_output_section::create_stub_group,
547         Arm_output_section::group_sections): New method definitions.
548
549 2009-10-22  Doug Kwan  <dougkwan@google.com>
550
551         * arm.cc (Arm_input_section): New class definition.
552         (Arm_input_section::init, Arm_input_section:do_write,
553         Arm_input_section::set_final_data_size,
554         Arm_input_section::do_reset_address_and_file_offset): New method
555         definitions.
556
557 2009-10-21  Doug Kwan  <dougkwan@google.com>
558
559         * arm.cc (Stub_table, Arm_input_section): New forward class
560         declarations.
561         (Stub_table): New class defintion.
562         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
563         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
564         New method definition.
565
566 2009-10-21  Doug Kwan  <dougkwan@google.com>
567
568         * arm.cc: Update copyright comments.
569         (Target_arm): New forward class template declaration.
570         (Arm_address): New type.
571         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
572         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
573         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
574         constants.
575         (Insn_template): Same.
576         (DEF_STUBS): New macro.
577         (Stub_type): New enum type.
578         (Stub_template): New class definition.
579         (Stub): Same.
580         (Reloc_stub): Same.
581         (Stub_factory): Same.
582         (Target_arm::Target_arm): Initialize may_use_blx_ and
583         should_force_pic_veneer_.
584         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
585         Target_arm::should_force_pic_veneer,
586         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
587         Target_arm::using_thumb_only, Target_arm:;default_target): New
588         method defintions.
589         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
590         New data member declarations.
591         (Insn_template::size, Insn_template::alignment): New method defintions.
592         (Stub_template::Stub_template): New method definition.
593         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
594         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
595         (Stub_factory::Stub_factory): New method definition.
596         * gold.h (string_hash): New template.
597         * output.h (Input_section_specifier::hash_value): Use
598         gold::string_hash.
599         (Input_section_specifier::string_hash): Remove.
600         * stringpool.cc (Stringpool_template::string_hash): Use
601         gold::string_hash.
602
603 2009-10-20  Doug Kwan  <dougkwan@google.com>
604
605         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
606         symbols of relaxed input sections.
607         * output.h (Output_section::find_relaxed_input_section): Make
608         method public.
609
610 2009-10-16  Doug Kwan  <dougkwan@google.com>
611
612         * dynobj.cc (Versions::Versions): Initialize version_script_.
613         Only insert base version symbol definition for a shared object
614         if version script defines any version versions.
615         (Versions::define_base_version): New method definition.
616         (Versions::add_def): Check that base version is not needed.
617         (Versions::add_need): Define base version lazily.
618         * dynobj.h (Versions::define_base_version): New method declaration.
619         (Versions::needs_base_version_): New data member declaration.
620         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
621         (check_DATA): Add no_version_test.stdout.
622         (libno_version_test.so, no_version_test.o no_version_test.stdout):
623         New make rules.
624         * testsuite/Makefile.in: Regenerate.
625         * testsuite/no_version_test.c: New file.
626         * testsuite/no_version_test.sh: Ditto.
627
628 2009-10-16  Doug Kwan  <dougkwan@google.com>
629
630         * expression.cc (class Segment_start_expression): New class definition.
631         (Segment_start_expression::value): New method definition.
632         (script_exp_function_segment_start): Return a new
633         Segment_start_expression.
634         * gold/script-c.h (script_saw_segment_start_expression): New function
635         prototype.
636         * script-sections.cc (Script_sections::Script_sections): Initialize
637         SAW_SEGMENT_START_EXPRESSION_ to false.
638         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
639         and -Tbbs options to specify section addresses if given in
640         command line and no SEGMENT_START expression is seen in a script.
641         * script-sections.h (Script_sections::saw_segment_start_expression,
642         Script_sections::set_saw_segment_start_expression): New method
643         definition.
644         (Script_sections::saw_segment_start_expression_): New data member
645         declaration.
646         * script.cc (script_saw_segment_start_expression): New function.
647         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
648         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
649         script_test_7.sh and script_test_8.sh.
650         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
651         script_test_8.stdout.
652         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
653         (script_test_6, script_test_6.stdout, script_test_7,
654         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
655         * Makefile.in: Regenerate.
656         * testsuite/script_test_6.sh: New file.
657         * testsuite/script_test_6.t: Same.
658         * testsuite/script_test_7.sh: Same.
659         * testsuite/script_test_7.t: Same.
660         * testsuite/script_test_8.sh: Same.
661
662 2009-10-16  Doug Kwan  <dougkwan@google.com>
663
664         * output.cc (Output_segment::set_section_list_address): Cast
665         expressions to unsigned long long type to avoid format warnings.
666
667 2009-10-15  Ian Lance Taylor  <iant@google.com>
668
669         * script.cc (Script_options::add_symbol_assignment): Always add a
670         dot assignment to script_sections_.
671         * script-sections.cc (Script_sections::add_dot_assignment):
672         Initialize if necessary.
673
674         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
675         program headers with no load segment if there is a linker script.
676
677         * layout.cc (Layout::set_segment_offsets): Align the file offset
678         to the segment aligment for -N or -n with no load segment.
679         * output.cc (Output_segment::add_output_section): Don't crash if
680         the first section is a TLS section.
681         (Output_segment::set_section_list_addresses): Print an error
682         message if the address moves backward in a linker script.
683         * script-sections.cc
684         (Output_section_element_input::set_section_addresses): Don't
685         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
686         (Orphan_output_section::set_section_addresses): Likewise.
687
688 2009-10-15  Doug Kwan  <dougkwan@google.com>
689
690         * layout.cc (Layout::finish_dynamic_section): Generate tags
691         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
692         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
693         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
694
695 2009-10-14  Ian Lance Taylor  <iant@google.com>
696
697         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
698         fields.
699         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
700         data_shdr fields of relinfo.
701         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
702         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
703         R_386_TLS_LDO_32, adjust based on section flags.
704         (Target_i386::Relocate::fix_up_ldo): Remove.
705
706 2009-10-13  Ian Lance Taylor  <iant@google.com>
707
708         Add support for -pie.
709         * options.h (class General_options): Add -pie and
710         --pic-executable.
711         (General_options::output_is_position_independent): Test -pie.
712         (General_options::output_is_executable): Return true if not shared
713         and not relocatable.
714         (General_options::output_is_pie): Remove.
715         * options.cc (General_options::finalize): Reject incompatible uses
716         of -pie.
717         * gold.cc (queue_middle_tasks): A -pie link is not static.
718         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
719         * symtab.cc (Symbol::final_value_is_known): Return false if
720         output_is_position_independent.
721         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
722         output_is_position_independent.
723         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
724         output_is_position_independent.
725         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
726         output_is_position_independent.
727         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
728         two_file_pie_test.
729         (basic_pie_test.o, basic_pie_test): New targets.
730         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
731         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
732         (two_file_pie_test): New target.
733         * testsuite/Makefile.in: Rebuild.
734         * README: Remove note saying that -pie is not supported.
735
736 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
737
738         * options.h (class General_options): Add -init and -fini.
739         * layout.cc (Layout::finish_dynamic_section): Emit
740         given init and fini functions.
741
742 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
743
744         * gc.h (gc_process_relocs): Check if icf is enabled using new
745         function.
746         * gold.cc (queue_initial_tasks): Likewise.
747         (queue_middle_tasks): Likewise.
748         * object.cc (do_layout): Likewise.
749         * symtab.cc (is_section_folded): Likewise.
750         * main.cc (main): Likewise.
751         * reloc.cc (Read_relocs::run): Likewise.
752         (Sized_relobj::do_scan_relocs): Likewise.
753         * icf.cc (is_function_ctor_or_dtor): New function.
754         (Icf::find_identical_sections): Check if function is ctor or dtor when
755         safe icf is chosen.
756         * options.h (General_options::icf): Change option to be an enum.
757         (Icf_status): New enum.
758         (icf_enabled): New method.
759         (icf_safe_folding): New method.
760         (set_icf_status): New method.
761         (icf_status_): New variable.
762         * (options.cc) (General_options::finalize): Set icf_status_.
763         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
764         icf_test and icf_keep_unique_test to use the --icf enum flag.
765         * testsuite/icf_safe_test.sh: New file.
766         * testsuite/icf_safe_test.cc: New file. 
767
768 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
769
770         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
771         includes to gc.h and icf.h.
772         * arm.cc: Include gc.h.
773         * gold.cc: Likewise.
774         * i386.cc: Likewise.
775         * powerpc.cc: Likewise.
776         * sparc.cc: Likewise.
777         * x86_64.cc: Likewise.
778         * gc.h: Include icf.h.
779
780 2009-10-11  Ian Lance Taylor  <iant@google.com>
781
782         * plugin.cc: Include "gold.h" before other header files.
783
784 2009-10-10  Chris Demetriou  <cgd@google.com>
785
786         * options.h (Input_file_argument::Input_file_type): New enum.
787         (Input_file_argument::is_lib_): Replace with...
788         (Input_file_argument::type_): New member.
789         (Input_file_argument::Input_file_argument): Take Input_file_type
790         'type' rather than boolean 'is_lib' as second argument.
791         (Input_file_argument::is_lib): Use type_.
792         (Input_file_argument::is_searched_file): New function.
793         (Input_file_argument::may_need_search): Handle is_searched_file.
794         * options.cc (General_options::parse_library): Support -l:filename.
795         (General_options::parse_just_symbols): Update for Input_file_argument
796         changes.
797         (Command_line::process): Likewise.
798         * archive.cc (Archive::get_file_and_offset): Likewise.
799         * plugin.cc (Plugin_manager::release_input_file): Likewise.
800         * script.cc (read_script_file, script_add_file): Likewise.
801         * fileread.cc (Input_file::Input_file): Likewise.
802         (Input_file::will_search_for): Handle is_searched_file.
803         (Input_file::open): Likewise.
804         * readsyms.cc (Read_symbols::get_name): Likewise.
805         * testsuite/Makefile.am (searched_file_test): New test.
806         * testsuite/Makefile.in: Regenerate.
807         * testsuite/searched_file_test.cc: New file.
808         * testsuite/searched_file_test_lib.cc: New file.
809
810 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
811             Ian Lance Taylor  <iant@google.com>
812
813         * descriptor.cc: Include <cstdio> and "binary-io.h".
814         (Descriptors::open): Open the files in binary mode always.
815         * script.cc (Lex::get_token): Treat \r as whitespace.
816
817 2009-10-09  Ian Lance Taylor  <iant@google.com>
818
819         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
820
821 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
822             Ian Lance Taylor  <iant@google.com>
823
824         * configure.ac: Check for readv function also.
825         * fileread.cc (readv): Define if not HAVE_READV.
826         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
827         does not exist.
828         * config.in: Regenerate.
829         * configure: Regenerate.
830
831 2009-10-09  Doug Kwan  <dougkwan@google.com>
832
833         * layout.cc (Layout::make_output_section): Call target hook to make
834         ordinary output section.
835         (Layout::finalize): Adjust parameter list of call the
836         Target::may_relax().
837         * layout.h (class Layout::section_list): New method.
838         * merge.h (Output_merge_base::entsize): Change visibility to public.
839         (Output_merge_base::is_string, Output_merge_base::do_is_string):
840         New methods.
841         (Output_merge_string::do_is_string): New method.
842         * object.cc (Sized_relobj::do_setup): renamed from
843         Sized_relobj::set_up.
844         * object.h (Sized_relobj::adjust_shndx,
845         Sized_relobj::initializ_input_to_output_maps,
846         Sized_relobj::free_input_to_output_maps): Change visibilities to
847         protected.
848         (Sized_relobj::setup): Virtualize.
849         (Sized_relobj::do_setup): New method declaration.
850         (Sized_relobj::invalidate_section_offset,
851         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
852         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
853         * options.cc (parse_int): New function.
854         * options.h (parse_int): New declaration.
855         (DEFINE_int): New macro.
856         (stub_group_size): New option.
857         * output.cc (Output_section::Output_section): Initialize memebers
858         merge_section_map_, merge_section_by_properties_map_,
859         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
860         (Output_section::add_input_section): Handled deferred code-fill
861         generation and remove an old comment.
862         (Output_section::add_relaxed_input_section): New method definition.
863         (Output_section::add_merge_input_section): Use merge section by
864         properties map to speed to search.  Update merge section maps
865         as appropriate.
866         (Output_section::build_relaxation_map): New method definition.
867         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
868         Same.
869         (Output_section::relax_input_section): Renamed to
870         Output_section::convert_input_sections_to_relaxed_sections and change
871         interface to take a vector of pointers to relaxed sections.
872         (Output_section::find_merge_section,
873         Output_section::find_relaxed_input_section): New method definitions.
874         (Output_section::is_input_address_mapped,
875         Output_section::output_offset, Output_section::output_address):
876         Use output section data maps to speed up searching.
877         (Output_section::find_starting_output_address): Add comments.
878         (Output_section::do_write,
879         Output_section::write_to_postprocessing_buffer): Do code-fill
880         generation as appropriate.
881         (Output_section::get_input_sections): Invalidate relaxed input section
882         map.
883         (Output_section::restore_states): Adjust type of checkpoint .
884         Invalidate relaxed input section map.
885         * output.h (Output_merge_base): New class declaration.
886         (Input_section_specifier): New class defintion.
887         (class Output_relaxed_input_section) Change base class to
888         Output_section_data_build.
889         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
890         base class initializer.
891         (Output_section::add_relaxed_input_section): New method declaration.
892         (Output_section::Input_section): Change visibility to protected.
893         (Output_section::Input_section::relobj,
894         Output_section::Input_section::shndx): Handle relaxed input sections.
895         Output_section::input_sections) Change visibility to protected.  Also
896         define overload to return a non-const pointer.
897         (Output_section::Merge_section_properties): New class defintion.
898         (Output_section::Merge_section_by_properties_map,
899         Output_section::Output_section_data_by_input_section_map,
900         Output_section::Relaxation_map): New types.
901         (Output_section::relax_input_section): Rename method to
902         Output_section::convert_input_sections_to_relaxed_sections and change
903         interface to take a vector of relaxed section pointers.
904         (Output_section::find_merge_section,
905         Output_section::find_relaxed_input_section,
906         Output_section::build_relaxation_map,
907         Output_section::convert_input_sections_in_list_to_relaxed_sections):
908         New method declarations.
909         (Output_section::merge_section_map_
910         Output_section::merge_section_by_properties_map_,
911         Output_section::relaxed_input_section_map_,
912         Output_section::is_relaxed_input_section_map_valid_,
913         Output_section::generate_code_fills_at_write_): New data members.
914         * script-sections.cc
915         (Output_section_element_input::set_section_addresses): Call
916         current_data_size and addralign methods of relaxed input sections.
917         (Orphan_output_section::set_section_addresses): Call current_data_size
918         and addralign methods of relaxed input sections.
919         * symtab.cc (Symbol_table::compute_final_value): Extract template
920         from the body of Symbol_table::sized_finalize_symbol.
921         (Symbol_table::sized_finalized_symbol): Call
922         Symbol_table::compute_final_value.
923         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
924         (Symbol_table::compute_final_value): New templated method declaration.
925         * target.cc (Target::do_make_output_section): New method defintion.
926         * target.h (Target::make_output_section): New method declaration.
927         (Target::relax): Add more parameters for input objects, symbol table
928         and layout.  Adjust call to do_relax.
929         (Target::do_make_output_section): New method declaration.
930         (Target::do_relax): Add parameters for input objects, symbol table
931         and layout.
932
933 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
934
935         * pread.c: Include stdio.h.
936
937 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
938
939         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
940         defined.
941
942 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
943
944         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
945         Change read_shndx type to unsigned int.
946         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
947         int.
948         (Sized_dwarf_line_info::read_line_mappings): Likewise.
949         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
950         Change read_shndx type to unsigned int.
951         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
952         int.
953         (Sized_dwarf_line_info::read_line_mappings): Likewise.
954         * layout.cc (Layout::create_symtab_sections): Cast the result of
955         local_symcount * symsize to off_t in the gold_assert.
956
957 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
958
959         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
960         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
961         R_ARM_BASE_ABS.
962         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
963         (Arm_relocate_functions::thm_abs5): New function.
964         (Arm_relocate_functions::abs12): New function.
965         (Arm_relocate_functions::abs16): New function.
966         (Arm_relocate_functions::base_abs): New function.
967         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
968         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
969         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
970         R_ARM_BASE_ABS.
971         (Scan::global): Likewise.
972         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
973         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
974         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
975         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
976         R_ARM_BASE_ABS.
977
978 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
979
980         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
981         (Arm_relocate_functions::movt_prel): New function.
982         (Arm_relocate_functions::thm_movw_prel_nc): New function.
983         (Arm_relocate_functions::thm_movt_prel): New function.
984         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
985         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
986         (Scan::global, Relocate::relocate): Likewise.
987         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
988
989 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
990
991         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
992         Incremental_checker.
993         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
994         unsigned int.
995         (class Incremental_inputs_header): New class.
996         (Incremental_inputs_header_writer): Edit comment.
997         (Incremental_inputs_entry): New class.
998         (Incremental_inputs_entry_writer): Edit comment.
999         (Sized_incremental_binary::do_find_incremental_inputs_section):
1000         Add *strtab_shndx parameter, fill it.
1001         (Sized_incremental_binary::do_check_inputs): New method.
1002         (Incremental_checker::can_incrementally_link_output_file): Use
1003         Sized_incremental_binary::check_inputs.
1004         (Incremental_inputs::report_command_line): Save command line in
1005         command_line_.
1006         * incremental.h:
1007         (Incremental_binary::find_incremental_inputs_section): New
1008         method.
1009         (Incremental_binary::do_find_incremental_inputs_section): Add
1010         strtab_shndx parameter.
1011         (Incremental_binary::do_check_inputs): New pure virtual method.
1012         (Sized_incremental_binary::do_check_inputs): Declare.
1013         (Incremental_checker::Incremental_checker): Add incremental_inputs
1014         parameter, use it to initialize incremental_inputs_.
1015         (Incremental_checker::incremental_inputs_): New field.
1016         (Incremental_checker::command_line): New method.
1017         (Incremental_checker::inputs): New method.
1018         (Incremental_checker::command_line_): New field.
1019
1020 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
1021
1022         * incremental.cc: Include <cstdarg> and "target-select.h".
1023         (vexplain_no_incremental): New function.
1024         (explain_no_incremental): New function.
1025         (Incremental_binary::error): New method.
1026         (Sized_incremental_binary::do_find_incremental_inputs_section): New
1027         method.
1028         (make_sized_incremental_binary): New function.
1029         (open_incremental_binary): New function.
1030         (can_incrementally_link_file): Add checks if output is ELF and has
1031         inputs section.
1032         * incremental.h: Include "elfcpp_file.h" and "output.h".
1033         (Incremental_binary): New class.
1034         (Sized_incremental_binary): New class.
1035         (open_incremental_binary): Declare.
1036         * object.cc (is_elf_object): Use
1037         elfcpp::Elf_recognizer::is_elf_file.
1038         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
1039         * output.h (Output_file::filesize): New method.
1040
1041 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1042
1043         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
1044         New function.
1045         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
1046         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
1047         function.
1048         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
1049         function.
1050         (Arm_relocate_functions::movw_abs_nc): New function.
1051         (Arm_relocate_functions::movt_abs): New function.
1052         (Arm_relocate_functions::thm_movw_abs_nc): New function.
1053         (Arm_relocate_functions::thm_movt_abs): New function.
1054         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
1055         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
1056         (Scan::global): Likewise.
1057         (Relocate::relocate): Likewise.
1058         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
1059
1060 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1061
1062         * arm.cc (Arm_relocate_functions::got_prel) New function.
1063         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
1064         (Relocate::relocate): Likewise.
1065         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
1066
1067 2009-10-06  Ian Lance Taylor  <iant@google.com>
1068
1069         * options.h (class General_options): Define
1070         split_stack_adjust_size parameter.
1071         * object.h (class Object): Add uses_split_stack_ and
1072         has_no_split_stack_ fields.  Add uses_split_stack and
1073         has_no_split_stack accessor functions.  Declare
1074         handle_split_stack_section.
1075         (class Reloc_symbol_changes): Define.
1076         (class Sized_relobj): Define Function_offsets.  Declare
1077         split_stack_adjust, split_stack_adjust_reltype, and
1078         find_functions.
1079         * object.cc (Object::handle_split_stack_section): New function.
1080         (Sized_relobj::do_layout): Call handle_split_stack_section.
1081         * dynobj.cc (Sized_dynobj::do_layout): Call
1082         handle_split_stack_section.
1083         * reloc.cc (Sized_relobj::relocate_sections): Call
1084         split_stack_adjust for executable sections in split_stack
1085         objects.  Pass reloc_map to relocate_section.
1086         (Sized_relobj::split_stack_adjust): New function.
1087         (Sized_relobj::split_stack_adjust_reltype): New function.
1088         (Sized_relobj::find_functions): New function.
1089         * target-reloc.h: Include "object.h".
1090         (relocate_section): Add reloc_symbol_changes parameter.  Change
1091         all callers.
1092         * target.h (class Target): Add calls_non_split method.  Declare
1093         do_calls_non_split virtual method.  Declare match_view and
1094         set_view_to_nop.
1095         * target.cc: Include "elfcpp.h".
1096         (Target::do_calls_non_split): New function.
1097         (Target::match_view): New function.
1098         (Target::set_view_to_nop): New function.
1099         * gold.cc (queue_middle_tasks): Give an error if mixing
1100         split-stack and non-split-stack objects with -r.
1101         * i386.cc (Target_i386::relocate_section): Add
1102         reloc_symbol_changes parameter.
1103         (Target_i386::do_calls_non_split): New function.
1104         * x86_64.cc (Target_x86_64::relocate_section): Add
1105         reloc_symbol_changes parameter.
1106         (Target_x86_64::do_calls_non_split): New function.
1107         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
1108         parameter.
1109         * powerpc.cc (Target_powerpc::relocate_section): Add
1110         reloc_symbol_changes parameter.
1111         * sparc.cc (Target_sparc::relocate_section): Add
1112         reloc_symbol_changes parameter.
1113         * configure.ac: Call AM_CONDITIONAL for the default target.
1114         * configure: Rebuild.
1115         * testsuite/Makefile.am (TEST_AS): New variable.
1116         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
1117         (check_DATA): Add split_i386 and split_x86_64 files.
1118         (SPLIT_DEFSYMS): Define.
1119         (split_i386_[1234n].o): New targets.
1120         (split_i386_[124]): New targets.
1121         (split_i386_[1234r].stdout): New targets.
1122         (split_x86_64_[1234n].o): New targets.
1123         (split_x86_64_[124]): New targets.
1124         (split_x86_64_[1234r].stdout): New targets.
1125         (MOSTLYCLEANFILES): Add new executables.
1126         * testsuite/split_i386.sh: New file.
1127         * testsuite/split_x86_64.sh: New file.
1128         * testsuite/split_i386_1.s: New file.
1129         * testsuite/split_i386_2.s: New file.
1130         * testsuite/split_i386_3.s: New file.
1131         * testsuite/split_i386_4.s: New file.
1132         * testsuite/split_i386_n.s: New file.
1133         * testsuite/split_x86_64_1.s: New file.
1134         * testsuite/split_x86_64_2.s: New file.
1135         * testsuite/split_x86_64_3.s: New file.
1136         * testsuite/split_x86_64_4.s: New file.
1137         * testsuite/split_x86_64_n.s: New file.
1138         * testsuite/testfile.cc (Target_test): Update relocation_section
1139         function.
1140         * testsuite/Makefile.in: Rebuild.
1141
1142 2009-10-06  Ian Lance Taylor  <iant@google.com>
1143
1144         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
1145         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
1146         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
1147         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
1148         the address on ldo_addrs_.
1149         (Target_i386::Relocate::fix_up_ldo): New function.
1150
1151 2009-10-06   Rafael Espindola  <espindola@google.com>
1152
1153         * plugin.cc (add_input_library): New.
1154         (Plugin::load): Add add_input_library to tv.
1155         (Plugin_manager::add_input_file): Add the is_lib argument.
1156         (add_input_file): Update call to Plugin_manager::add_input_file.
1157         (add_input_library): New.
1158         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
1159
1160 2009-09-30  Doug Kwan  <dougkwan@google.com>
1161
1162         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
1163         symbol and call Symbol::may_need_copy_reloc to determine if
1164         a copy reloc is needed.
1165         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
1166         nocopyreloc is given in command line.
1167         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
1168         given in command line.
1169         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
1170         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
1171         of the removed Target_i386::may_need_copy_reloc.
1172         * options.h (copyreloc): New option with default value false.
1173         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
1174         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
1175         instead of the removed Target_powerpc::may_need_copy_reloc.
1176         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
1177         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
1178         instead of the removed Target_sparc::may_need_copy_reloc.
1179         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
1180         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
1181         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
1182         instead of the removed Target_x86_64::may_need_copy_reloc.
1183
1184 2009-09-30  Ian Lance Taylor  <iant@google.com>
1185
1186         * object.h (class Object): Remove target_ field, and target,
1187         sized_target, and set_target methods.
1188         (Object::sized_target): Remove.
1189         (class Sized_relobj): Update declarations.  Remove sized_target.
1190         * object.cc (Sized_relobj::setup): Remove target parameter.
1191         Change all callers.
1192         (Input_objects::add_object): Don't do anything with the target.
1193         (make_elf_sized_object): Add punconfigured parameter.  Change all
1194         callers.  Set or test parameter target.
1195         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
1196         Change all callers.
1197         * parameters.cc (Parameters::set_target): Change parameter type to
1198         be non-const.
1199         (Parameters::default_target): Remove.
1200         (set_parameters_target): Change parameter type to be non-const.
1201         (parameters_force_valid_target): New function.
1202         (parameters_clear_target): New function.
1203         * parameters.h (class Parameters): Update declarations.  Remove
1204         default_target method.  Add sized_target and clear_target
1205         methods.  Change target_ to be non-const.
1206         (set_parameters_target): Update declaration.
1207         (parameters_force_valid_target): Declare.
1208         (parameters_clear_target): Declare.
1209         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
1210         as NULL if we aren't searching.
1211         (Add_symbols::run): Don't check for compatible target.
1212         * fileread.cc (Input_file::open_binary): Call
1213         parameters_force_valid_target.
1214         * gold.cc (queue_middle_tasks): Likewise.
1215         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
1216         set_target on object.
1217         * dynobj.h (class Sized_dynobj): Update declarations.
1218         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
1219         make_elf_object returns NULL.
1220         (Archive::include_member): Don't check whether object target is
1221         compatible.
1222         * output.cc (Output_section::add_input_section): Get target from
1223         parameters.
1224         (Output_section::relax_input_section): Likewise.
1225         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
1226         parameters.
1227         (Sized_relobj::do_scan_relocs): Likewise.
1228         (Sized_relobj::relocate_sections): Likewise.
1229         * resolve.cc (Symbol_table::resolve): Likewise.
1230         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
1231         parameter.  Change all callers.
1232         (Symbol_table::add_from_object): Get target from parameters.
1233         (Symbol_table::add_from_relobj): Don't check object target.
1234         (Symbol_table::add_from_dynobj): Likewise.
1235         (Symbol_table::define_special_symbol): Get target from
1236         parameters.
1237         * symtab.h (class Symbol_table): Update declaration.
1238         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
1239         parameter.  Change all callers.  Clear parameter target.
1240         (Binary_test): Test target here.
1241         * testsuite/object_unittest.cc (gold_testsuite): Remove
1242         target_test_pointer parameter.  Change all callers.
1243         (Object_test): Test target here.
1244
1245 2009-09-26  Ian Lance Taylor  <iant@google.com>
1246
1247         * testsuite/initpri1.c: Don't try to use constructor priorities if
1248         compiling with gcc before 4.3.
1249
1250 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
1251
1252         * testsuite/retain_symbols_file_test.sh (check_present): Change
1253         output file name to retain_symbols_file_test.stdout.
1254         (check_absent): Likewise.
1255
1256 2009-09-18  Craig Silverstein  <csilvers@google.com>
1257
1258         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
1259         * options.cc: Include <cerrno> and <fstream>.
1260         (General_options::finalize): Parse -retain-symbols-file tag.
1261         * options.h: New flag.
1262         (General_options): New method should_retain_symbol, new
1263         variable symbols_to_retain.
1264         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
1265         should_retain_symbol map.
1266         * testsuite/Makefile.am (retain_symbols_file_test): New test.
1267         * testsuite/Makefile.in: Regenerate.
1268         * testsuite/retain_symbols_file_test.sh: New file.
1269
1270 2009-09-18  Nick Clifton  <nickc@redhat.com>
1271
1272         * po/es.po: Updated Spanish translation.
1273
1274 2009-09-17  Doug Kwan  <dougkwan@google.com>
1275
1276         * debug.h (DEBUG_RELAXATION): New constant.
1277         (DEBUG_ALL): Add DEBUG_RELAXATION.
1278         (debug_string_to_enum): Add relaxation debug option.
1279         * layout.cc
1280         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
1281         Layout::Relaxation_debug_check::read_sections,
1282         Layout::Relaxation_debug_check::read_sections): New method definitions.
1283         (Layout::Layout): Initialize data members
1284         record_output_section_data_from_scrips_,
1285         script_output_section_data_list_ and relaxation_debug_check_.
1286         (Layout::save_segments, Layout::restore_segments,
1287         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
1288         Layout::relaxation_loop_body): New method definitions.
1289         (Layout::finalize): Support relaxation.  Move section layout code to
1290         Layout::relaxation_loop_body.
1291         (Layout::set_asection_address_from_script): Move code for orphan
1292         section placement out.
1293         (Layout::place_orphan_sections_in_script): New method definition.
1294         * layout.h (Output_segment_headers, Output_file_header):
1295         New forward class declarations.
1296         (Layout::~Layout): Define.
1297         (Layout::new_output_section_data_from_script): New method definition.
1298         (Layout::place_orphan_sections_in_script): New method declaration.
1299         (Layout::Segment_states): New type declaration.
1300         (Layout::save_segments, Layout::restore_segments,
1301         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
1302         Layout::relaxation_loop_body): New method declarations.
1303         (Layout::Output_section_data_list): New type declaration.
1304         (Layout::Relaxation_debug_check): New class definition.
1305         (Layout::record_output_section_data_from_script_,
1306         Layout::script_output_section_data_list_, Layout::segment_states_,
1307         Layout::relaxation_debug_check_): New data members.
1308         * output.cc: (Output_section_headers::do_size): New method definition.
1309         (Output_section_headers::Output_section_headers): Move size
1310         computation to Output_section_headers::do_size.
1311         (Output_segment_headers::do_size): New method definition.
1312         (Output_file_header::Output_file_header): Move size computation to 
1313         Output_file_header::do_size and call it.
1314         (Output_file_header::do_size): New method definition.
1315         (Output_data_group::Output_data_group): Adjust call to
1316         Output_section_data.
1317         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
1318         (Output_symtab_xindex::do_write): Add array bound check.
1319         (Output_section::Input_section::print_to_mapfile): Handle
1320         RELAXED_INPUT_SECTION_CODE.
1321         (Output_section::Output_section): Initialize data member checkpoint_.
1322         (Output_section::~Output_section): Delete checkpoint object pointed
1323         by checkpoint_.
1324         (Output_section::add_input_section): Always add an Input_section if
1325         relaxing.
1326         (Output_section::add_merge_input_section): Add assert.
1327         (Output_section::relax_input_section): New method definition.
1328         (Output_section::set_final_data_size): Set load address to zero for
1329         an unallocated section.
1330         (Output_section::do_address_and_file_offset_have_reset_values):
1331         New method definition.
1332         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
1333         Handle relaxed input section.
1334         (Output_section::sort_attached_input_sections): Checkpoint input
1335         section list lazily.
1336         (Output_section::get_input_sections): Change type of input_sections to
1337         list of Simple_input_section pointers.  Checkpoint input section list
1338         lazily.  Also handle relaxed input sections.
1339         (Output_section::add_input_section_for_script): Take a reference to
1340         a Simple_input_section object instead of Relobj pointer and section
1341         index as parameter.  Handle relaxed input sections.
1342         (Output_section::save_states, Output_section::restore_states): New
1343         method definitions.
1344         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
1345         (Output_data::is_data_size_fixed): New method definition.
1346         (Output_data::reset_addresss_and_file_offset): Do not reset data size
1347         if it is fixed.
1348         (Output_data::address_and_file_offset_have_reset_values): New method
1349         definition.
1350         (Output_data::do_address_and_file_offset_have_reset_values): New method
1351         definition.
1352         (Output_data::set_data_size): Check that data size is not fixed.
1353         (Output_data::fix_data_size): New method definition.
1354         (Output_data::is_data_size_fixed_): New data member.
1355         (Output_section_headers::set_final_data_size): New method definition.
1356         (Output_section_headers::do_size): New method declaration.
1357         (Output_segment_headers::set_final_data_size): New method definition.
1358         (Output_segment_headers::do_size): New method declaration.
1359         (Output_file_header::set_final_data_size)::New method definition.
1360         (Output_file_header::do_size)::New method declaration.
1361         (Output_section_data::Output_section_data): Add new parameter
1362         is_data_size_fixed and use it to fix data size.
1363         (Output_data_const::Output_data_const): Adjust call to base class
1364         constructor and fix data size.
1365         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
1366         base class constructor and fix data size.
1367         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
1368         base class constructor and fix data size.
1369         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
1370         class constructor and fix data size.
1371         (Output_data_group::set_final_data_size): New method definition.
1372         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
1373         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
1374         class constructor and fix data size.
1375         (Output_relaxed_input_section): New class definition.
1376         (Output_section::Simple_input_section): New class definition.
1377         (Output_section::get_input_sections): Adjust parameter list.
1378         (Output_section::add_input_section_for_script): Same.
1379         (Output_section::save_states, Output_section::restore_states,
1380         Output_section::do_address_and_file_offset_have_reset_values,
1381         (Output_section::Input_section::Input_section): Handle
1382         RELAXED_INPUT_SECTION_CODE.  Add new overload for
1383         Output_relaxed_input_section.
1384         (Output_section::Input_section::is_input_section,
1385         Output_section::Input_section::set_output_section): Handle relaxed
1386         input section.
1387         (Output_section::Input_section::is_relaxed_input_section,
1388         Output_section::Input_section::output_section_data,
1389         Output_section::Input_section::relaxed_input_section): New method
1390         definitions.
1391         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
1392         value.
1393         (Output_section::Input_section::u1_): Update comments.
1394         (Output_section::Input_section::u2_): Add new union member poris.
1395         (Output_section::Checkpoint_output_section): New classs definition.
1396         (Output_section::relax_input_section): New method declaration.
1397         (Output_section::checkpoint_): New data member.
1398         (Output_segment): Update comments.
1399         (Output_segment::Output_segment): Un-privatize copy constructor.
1400         (Output_segment::operator=): Un-privatize.
1401         * script-sections.cc (Output_section_element::Input_section_list):
1402         Change element type to Output_section::Simple_input_section.
1403         (Output_section_element_dot_assignment::set_section_addresses):
1404         Register output section data for relaxation clean up.
1405         (Output_data_exression::Output_data_expression): Adjust call to base
1406         constructor to fix data size.
1407         (Output_section_element_data::set_section_addresses): Register
1408         Output_data_expression object for relaxation clean up.
1409         (struct Input_section_info): Replace Relobj pointer and section index
1410         pair with Output_section::Simple_input_section and Convert struct to a
1411         class.
1412         (Input_section_sorter::operator()): Adjust access to
1413         Input_section_info data member to use accessors. 
1414         (Output_section_element_input::set_section_addresses): Use layout
1415         parameter.  Adjust code to use Output_section::Simple_input_section
1416         and Input_secction_info classes.  Register filler for relaxation
1417         clean up.
1418         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
1419         and section index pair with Output_section::Simple_input_section
1420         class.  Adjust code accordingly.
1421         (Phdrs_element::release_segment): New method definition.
1422         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
1423         segment list.
1424         (Script_sections::release_segments): New method definition.
1425         * gold/script-sections.h (Script_sections::release_segments): New
1426         method declaration.
1427         * gold/target.h (Target::may_relax, Target::relax,
1428         Target::do_may_relax, Target::do_relax): New method definitions.
1429
1430 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1431
1432         * arm.cc (has_signed_unsigned_overflow): New function.
1433         (Arm_relocate_functions::abs8): New function.
1434         (Target_arm::Scan::local): Handle R_ARM_ABS8.
1435         (Target_arm::Scan::global): Likewise.
1436         (Target_arm::relocate::relocate): Likewise.
1437         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1438         Likewise.
1439
1440 2009-09-16  Cary Coutant  <ccoutant@google.com>
1441
1442         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
1443         * testsuite/Makefile.in: Regenerate.
1444
1445 2009-09-11  Nick Clifton  <nickc@redhat.com>
1446
1447         * po/gold.pot: Updated by the Translation project.
1448
1449 2009-09-08  Cary Coutant  <ccoutant@google.com>
1450
1451         * output.cc (Output_file::open): Add execute permission to empty file.
1452         * testsuite/Makefile.am (permission_test): New test.
1453         * testsuite/Makefile.in: Regenerate.
1454
1455 2009-09-02  Ian Lance Taylor  <iant@google.com>
1456
1457         * output.cc (Output_file::resize): Call map_no_anonymous rather
1458         than map.
1459
1460 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
1461
1462         * gold.cc: Include "incremental.h".
1463         (queue_initial_tasks): Call Incremental_checker methods.
1464         * incremental.cc: Include "output.h".
1465         (Incremental_checker::can_incrementally_link_output_file): New
1466         method.
1467         * incremental.h (Incremental_checker): New class.
1468
1469         * output.cc (Output_file::open_for_modification): New method.
1470         (Output_file::map_anonymous): Changed return type to bool.  Record
1471         map in base_ field.
1472         (Output_file::map_no_anonymous): New method, broken out of map.
1473         (Output_file::map): Use map_no_anonymous and map_anonymous.
1474         * output.h (class Output_file): Update declarations.
1475
1476 2009-08-24  Cary Coutant  <ccoutant@google.com>
1477
1478         * options.h (Command_line::Pre_options): New class.
1479         (Command_line::pre_options): New member.
1480         * options.cc (gold::options::ready_to_register): New variable.
1481         (One_option::register_option): Do nothing if not registering options.
1482         Assert if same short option registered twice.
1483         (General_options::General_options): Turn off option registration when
1484         done constructing.
1485         (Command_line::Pre_options::Pre_options): New constructor.
1486
1487 2009-08-24  Cary Coutant  <ccoutant@google.com>
1488
1489         * options.h (General_options::no_keep_memory): Remove incorrect
1490         short option.
1491
1492 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1493
1494         * Makefile.am (am__skiplex, am__skipyacc): New.
1495         * Makefile.in: Regenerate.
1496
1497 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1498
1499         * Makefile.am (AM_CPPFLAGS): Renamed from ...
1500         (INCLUDES): ... this.
1501         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
1502         (AM_CPPFLAGS): Renamed from ...
1503         (INCLUDE): ... this.
1504         * Makefile.in, testsuite/Makefile.in: Regenerate.
1505
1506         * Makefile.in: Regenerate.
1507         * aclocal.m4: Likewise.
1508         * config.in: Likewise.
1509         * configure: Likewise.
1510         * testsuite/Makefile.in: Likewise.
1511
1512         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
1513         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
1514         * Makefile.in: Regenerate.
1515         * testsuite/Makefile.in: Regenerate.
1516
1517 2009-08-19  Cary Coutant  <ccoutant@google.com>
1518
1519         * resolve.cc (Symbol_table::resolve): Don't complain about defined
1520         symbols in shared libraries overridden by hidden or internal symbols
1521         in the main program.
1522
1523 2009-08-19  Chris Demetriou  <cgd@google.com>
1524
1525         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
1526         checking source file names in error messages.
1527
1528 2009-08-18  Doug Kwan  <dougkwan@google.com>
1529
1530         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
1531         an elcpp::Ehdr as parameter.  Adjust call to set_target.
1532         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
1533         an elfcpp::Ehdr as parameter.
1534         * object.cc (Object::set_target): Remove the version that looks up
1535         a target and sets it.
1536         (Sized_relobj::setup): Take a Target object instead of
1537         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
1538         (make_elf_sized_object): Find target and ask target to
1539         make an ELF object.
1540         * object.h: (Object::set_target): Remove the version that looks up
1541         a target and sets it.
1542         (Sized_relobj::setup): Take a Target object instead of
1543         an elfcpp:Ehdr as parameter.
1544         * target.cc: Include dynobj.h.
1545         (Target::do_make_elf_object_implementation): New.
1546         (Target::do_make_elf_object): New.
1547         * target.h (Target::make_elf_object): New template declaration.
1548         (Target::do_make_elf_object): New method declarations.
1549         (Target::do_make_elf_object_implementation): New template declaration.
1550
1551 2009-08-14  Ian Lance Taylor  <iant@google.com>
1552
1553         * gold.h (FUNCTION_NAME): Define.
1554         (gold_unreachable): Use FUNCTION_NAME.
1555
1556 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
1557
1558         * icf.cc (Icf::find_identical_sections): Issue a warning when a
1559         symbol in the --keep-unique list is not found.
1560
1561 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
1562
1563         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
1564         been maked as --keep-unique.
1565         (Icf::unfold_section): New function.
1566         * icf.h (Icf::unfold_section): New function.
1567         * options.h (General_options::keep_unique): New option.
1568         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
1569         * testsuite/Makefile.in: Regenerate.
1570         * testsuite/icf_keep_unique_test.sh: New file.
1571         * testsuite/icf_keep_unique_test.cc: New file.
1572
1573 2009-08-12  Cary Coutant  <ccoutant@google.com>
1574
1575         PR 10471
1576         * resolve.cc (Symbol_table::resolve): Check for references from
1577         dynamic objects to hidden and internal symbols.
1578         * testsuite/Makefile.am (hidden_test.sh): New test.
1579         * testsuite/Makefile.in: Regenerate.
1580         * testsuite/hidden_test.sh: New script.
1581         * testsuite/hidden_test_1.c: New test source.
1582         * testsuite/hidden_test_main.c: New test source.
1583
1584 2009-08-11  Doug Kwan  <dougkwan@google.com>
1585
1586         * arm.cc: Update comments.
1587         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
1588         segment to locate the .ARM.exidx section if present.
1589
1590 2009-08-09  Doug Kwan  <dougkwan@google.com>
1591
1592         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
1593         patch.
1594
1595 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
1596         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
1597         compiler warnings.
1598
1599 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
1600
1601         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
1602         valid tls_segment only for non-debug-section relocations.
1603         * testsuite/Makefile.am: Add gc_tls_test.
1604         * testsuite/Makefile.in: Regenerate.
1605         * testsuite/gc_tls_test.cc: New file.
1606         * testsuite/gc_tls_test.sh: New file.
1607
1608 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
1609         
1610         * icf.cc: New file.
1611         * icf.h: New file.
1612         * Makefile.am (CCFILES): Add icf.cc.
1613         (HFILES): Add icf.h
1614         * Makefile.in: Regenerate.
1615         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
1616         * gc.h (gc_process_relocs): Populate lists used by icf to contain
1617         section, symbol and addend information for the relocs.
1618         * gold.cc (queue_middle_tasks): Call identical code folding.
1619         * gold.h: Add defines for multimap.
1620         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
1621         to the call of finalize_local_symbols.
1622         * main.cc (main): Create object of class Icf.
1623         * object.cc (Sized_relobj::do_layout): Allow this function to be
1624         called twice during icf.
1625         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
1626         to sections marked as identical by icf.
1627         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
1628         when available.
1629         (Sized_relobj::do_section_entsize): New function.
1630         * object.h (Object::section_entsize): New function.
1631         (Object::do_section_entsize): New pure virtual function.
1632         (Relobj::finalize_local_symbols): Add new parameter.
1633         (Relobj::do_section_entsize): New function.
1634         * options.h (General_options::icf): New option.
1635         (General_options::icf_iterations): New option.
1636         (General_options::print_icf_sections): New option.
1637         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
1638         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
1639         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
1640         icf.
1641         * symtab.cc (Symbol_table::is_section_folded): New function.
1642         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
1643         to sections marked as identical by icf.
1644         * symtab.h (Symbol_table::set_icf): New function.
1645         (Symbol_table::icf): New function.
1646         (Symbol_table::is_section_folded): New function.
1647         (Symbol_table::icf_): New data member.
1648         * target-reloc.h (relocate_section): Ignore sections folded by icf.
1649         * testsuite/Makefile.am: Add commands to build icf_test.
1650         * testsuite/Makefile.in: Regenerate.
1651         * testsuite/icf_test.sh: New file.
1652         * testsuite/icf_test.cc: New file.
1653
1654 2009-07-24  Chris Demetriou  <cgd@google.com>
1655
1656         * layout.cc (is_compressible_debug_section): Fix incorrect
1657         comment about compressed section names.
1658
1659 2009-07-20  Ian Lance Taylor  <ian@airs.com>
1660
1661         PR 10419
1662         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
1663
1664 2009-07-16  Ian Lance Taylor  <iant@google.com>
1665
1666         PR 10400
1667         * layout.h: #include <map>.
1668         (class Kept_section): Change from struct to class.  Add accessors
1669         and setters.  Add section size to Comdat_group mapping.  Change
1670         Comdat_group to std::map.  Add is_comdat_ field.  Add
1671         linkonce_size field in union.
1672         (class Layout): Update declaration of find_or_add_kept_section.
1673         Don't declare find_kept_object.
1674         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
1675         parameter.  Add object, shndx, is_comdat, and is_group_name
1676         parameters.  Change all callers.  Adjust for new Kept_section.
1677         (Layout::find_kept_object): Remove.
1678         * object.cc (Sized_relobj::include_section_group): Update use of
1679         Kept_section.  Rename secnum to shndx.  Only record
1680         Kept_comdat_section if sections are the same size.
1681         (Sized_relobj::include_linkonce_section): Update use of
1682         Kept_section.  Only record Kept_comdat_section if sections are the
1683         same size.  Set size of linkonce section.
1684         (Sized_relobj::map_to_kept_section): Update call to
1685         get_kept_comdat_section.
1686         * object.h (class Sized_relobj): Rename fields in
1687         Kept_comdat_section to drop trailing underscores; change object
1688         field to Relobj*.  Change Kept_comdat_section_table to store
1689         struct rather than pointer.
1690         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
1691         Add kept_object and kept_shndx parameters.  Change all callers.
1692         (Sized_relobj::get_kept_comdat_section): Change return type to
1693         bool.  Add kept_object and kept_shndx parameters.  Change all
1694         callers.
1695         * plugin.cc (Pluginobj::include_comdat_group): Update call to
1696         Layout::find_or_add_kept_section.
1697
1698 2009-07-09  Ian Lance Taylor  <iant@google.com>
1699
1700         * merge.cc (Object_merge_map::initialize_input_to_output_map):
1701         Reserve space in the hash table.
1702
1703 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
1704
1705         * fileread.cc (File_read::get_mtime): New method.
1706         * fileread.h (Timespec): New structure.
1707         (File_read::get_mtime): New method.
1708         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
1709         Renamed from timestamp_nsec.
1710         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
1711         Elf_Xword.
1712         (Incremental_inputs_entry_write::timestamp_usec): Renamed from 
1713         timestamp_nsec.
1714         (Incremental_inputs::report_archive): Save mtime; style fix. 
1715         (Incremental_inputs::report_obejct): Save mtime; style fix.
1716         (Incremental_inputs::report_script): Save mtime; style fix.
1717         (Incremental_inputs::finalize_inputs): Style fix.
1718         (Incremental_inputs::finalize): Style fix.
1719         (Incremental_inputs::create_input_section_data): Store inputs
1720         mtime.
1721         * incremental.h (Incremental_inputs::report_script): Add mtime
1722         argument.
1723         (Incremental_inputs::Input_info::Input_info): Intialize only one
1724         union member.
1725         (Incremental_inputs::Input_info::archive): Move to nameless
1726         union.
1727         (Incremental_inputs::Input_info::obejct): Move to nameless union.
1728         (Incremental_inputs::Input_info::script): Move to nameless union.
1729         (Incremental_inputs::mtime): New field.
1730         * script.cc (read_input_script): Pass file mtime to
1731         Incremental_input.
1732         * script.h (Script_info::inputs): Style fix.
1733
1734 2009-07-01  Ian Lance Taylor  <ian@airs.com>
1735
1736         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
1737         instead of 32.
1738
1739 2009-06-24  Ian Lance Taylor  <iant@google.com>
1740
1741         PR 10156
1742         * layout.cc (Layout::choose_output_section): If we find an
1743         existing section, update the flags.
1744         (Layout::create_notes): New function, broken out of
1745         Layout::finalize.
1746         (Layout::finalize): Don't create note sections.
1747         (Layout::create_note): Don't crash if linker script discards
1748         section.
1749         (Layout::create_gold_note): Likewise.
1750         (Layout::create_build_id): Likewise.  Don't set
1751         after_input_sections on the section.
1752         (Layout::create_executable_stack_info): Remove target parameter.
1753         Change caller.
1754         * layout.h (class Layout): Declare create_notes.  Update
1755         declaration of create_executable_stack_info.
1756         * gold.cc (queue_middle_tasks): Call create_notes.
1757         * output.cc (Output_section::update_flags_for_input_section): Move
1758         here from output.h.  If SHF_ALLOC flag is newly set, mark address
1759         invalid.
1760         * output.h (Output_data::mark_address_invalid): New function.
1761         (class Output_section): Only declare, not define,
1762         update_flags_for_input_section.  Remove set_flags.
1763
1764 2009-06-24  Ian Lance Taylor  <iant@google.com>
1765
1766         * script-sections.cc (Output_section_definition::
1767         set_section_addresses): Rename shadowing local load_address to
1768         laddr.
1769
1770 2009-06-24  Ian Lance Taylor  <iant@google.com>
1771
1772         PR 10244
1773         * reloc.cc (relocate_sections): Skip empty relocation sections.
1774
1775 2009-06-23  Ian Lance Taylor  <iant@google.com>
1776
1777         PR 10156
1778         * layout.cc (Layout::create_note): Use choose_output_section
1779         rather than make_output_section.
1780
1781 2009-06-23  Ian Lance Taylor  <iant@google.com>
1782
1783         PR 10237
1784         * options.cc (General_options::parse_V): Set printed_version_.
1785         (General_options::General_options): Initialize printed_version_.
1786         * options.h (class General_options): Add printed_version_ field.
1787         * gold.cc (queue_initial_tasks): If there are no input files,
1788         don't give a fatal error if we printed the version information.
1789         (queue_middle_tasks): If using -r with a shared object, give a
1790         fatal error rather than an ordinary error.
1791
1792 2009-06-23  Ian Lance Taylor  <iant@google.com>
1793
1794         PR 10219
1795         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
1796         (Layout::make_output_section): Set have_stabstr_section_ if we see
1797         a .stab*str section.
1798         (Layout::finalize): Call link_stabs_sections.
1799         (Layout::link_stabs_sections): New file.
1800         * layout.h (class Layout): Add have_stabstr_section_ field.
1801         Declare link_stabs_sections.
1802
1803 2009-06-23  Doug Kwan  <dougkwan@google.com>
1804
1805         * Makefile.am (libgold_a_LIBADD): New.
1806         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
1807         * Makefile.in: Regenerate.
1808         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
1809         * configure: Regenerate.
1810         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
1811         * fileread.cc: Include sys/state.h
1812         * gold.h: Declare memmem and strndup if found missing.
1813         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
1814
1815 2009-06-23  Ian Lance Taylor  <iant@google.com>
1816
1817         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
1818         * configure: Rebuild.
1819
1820 2009-06-23  Ian Lance Taylor  <iant@google.com>
1821
1822         PR 10147
1823         * object.cc (Object::section_contents): Don't try to get a view if
1824         the section has length zero.
1825         (Object::handle_gnu_warning_section): If the section is empty, use
1826         the name of the section as the warning.
1827
1828 2009-06-23  Ian Lance Taylor  <iant@google.com>
1829
1830         PR 10133
1831         * stringpool.h (class Stringpool_template): Add optimize_ field.
1832         (Stringpool_template::set_optimize): New function.
1833         * stringpool.cc (Stringpool_template::Stringpool_template):
1834         Initialize optimize_ field.
1835         (Stringpool_template::set_string_offsets): Test local optimize
1836         fild rather than parameter.
1837         * layout.cc (Layout::Layout): Call set_optimize on the section
1838         name stringpool.
1839
1840 2009-06-22  Ian Lance Taylor  <iant@google.com>
1841
1842         PR 10030
1843         * yyscript.y: Parse TARGET.
1844         * script.cc (script_set_target): New function.
1845         * script-c.h (script_set_target): Declare.
1846         * options.cc (General_options::string_to_object_format): Rename
1847         from string_to_object_format in anonymous namespace.  Change
1848         callers.
1849         * options.h (class General_options): Declare
1850         string_to_object_format.
1851
1852 2009-06-22  Ian Lance Taylor  <iant@google.com>
1853
1854         * script-sections.cc (Script_sections::create_segments): Don't put
1855         program headers in a PT_LOAD segment if -n or -N.
1856
1857 2009-06-22  Ian Lance Taylor  <iant@google.com>
1858
1859         PR 10141
1860         * options.h (class General_options): Add -z lazy and -z now.  Sort
1861         -z options into alphabetical order.
1862         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
1863
1864 2009-06-21  Ian Lance Taylor  <iant@google.com>
1865
1866         * layout.cc (Layout::make_output_section): Call
1867         Target::new_output_section.
1868         (Layout::attach_allocated_section_to_segment): Put large section
1869         sections in a separate load segment with the large segment flag
1870         set.
1871         (Layout::segment_precedes): Sort large data segments after other
1872         load segments.
1873         (align_file_offset): New static function.
1874         (Layout::set_segment_offsets): Use align_file_offset.
1875         * output.h (class Output_section): Add is_small_section_ and
1876         is_large_section_ fields.
1877         (Output_section::is_small_section): New function.
1878         (Output_section::set_is_small_section):  New function.
1879         (Output_section::is_large_section): New function.
1880         (Output_section::set_is_large_section): New function.
1881         (Output_section::is_large_data_section): New function.
1882         (class Output_segment): Add is_large_data_segment_ field.
1883         (Output_segment::is_large_data_segment): New function.
1884         (Output_segment::set_is_large_data_segment): New function.
1885         * output.cc (Output_section::Output_section): Initialize new
1886         fields.
1887         (Output_segment::Output_segment): Likewise.
1888         (Output_segment::add_output_section): Add assertion that large
1889         data sections always go in large data segments.  Force small data
1890         sections to the end of the list of data sections.  Force small BSS
1891         sections to the start of the list of BSS sections.  For large BSS
1892         sections to the end of the list of BSS sections.
1893         * symtab.h (class Symbol): Declare is_common_shndx.
1894         (Symbol::is_defined): Check Symbol::is_common_shndx.
1895         (Symbol::is_common): Likewise.
1896         (class Symbol_table): Define enum Commons_section_type.  Update
1897         declarations.  Add small_commons_ and large_commons_ fields.
1898         * symtab.cc (Symbol::is_common_shndx): New function.
1899         (Symbol_table::Symbol_table): Initialize new fields.
1900         (Symbol_table::add_from_object): Put small and large common
1901         symbols in the right list.
1902         (Symbol_table::sized_finalized_symbol): Check
1903         Symbol::is_common_shndx.
1904         (Symbol_table::sized_write_globals): Likewise.
1905         * common.cc (Symbol_table::do_allocate_commons): Allocate new
1906         common symbol lists.  Don't call do_allocate_commons_list if the
1907         list is empty.
1908         (Symbol_table::do_allocate_commons_list): Remove is_tls
1909         parameter.  Add comons_section_type parameter.  Change all
1910         callers.  Handle small and large common symbols.
1911         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
1912         Symbol::is_common_shndx.
1913         * resolve.cc (symbol_to_bits): Likewise.
1914         * target.h (Target::small_common_shndx): New function.
1915         (Target::small_common_section_flags): New function.
1916         (Target::large_common_shndx): New function.
1917         (Target::large_common_section_flags): New function.
1918         (Target::new_output_section): New function.
1919         (Target::Target_info): Add small_common_shndx, large_common_shndx,
1920         small_common_section_flags, and large_common_section_flags
1921         fields.
1922         (Target::do_new_output_section): New virtual function.
1923         * arm.cc (Target_arm::arm_info): Initialize new fields.
1924         * i386.cc (Target_i386::i386_info): Likewise.
1925         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
1926         Likewise.
1927         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
1928         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
1929         (Target_x86_64::do_new_output_section): New function.
1930         * configure.ac: Define conditional MCMODEL_MEDIUM.
1931         * testsuite/Makefile.am (check_PROGRAMS): Add large.
1932         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
1933         (large_LDFLAGS): Define.
1934         * testsuite/large.c: New file.
1935         * testsuite/testfile.cc (Target_test::test_target_info):
1936         Initialize new fields.
1937         * configure, testsuite/Makefile.in: Rebuild.
1938
1939 2009-06-05  Doug Kwan  <dougkwan@google.com>
1940
1941         * Makefile.am (CCFILES): Add target.cc.
1942         * Makefile.in: Regenerate. 
1943         * i386.cc (class Target_i386): Define new virtual method to
1944         override do_is_local_label_name in parent.
1945         * object.cc (Sized_relobj::do_count_local_symbols): Discard
1946         local symbols if --discard-locals or -X is given.
1947         * options.h (class General_options): Declare new options
1948         '--discard-locals' and '-X' for discarding locals.
1949         * target.h (class Target): Define new methods is_local_label_name.
1950         Declare new virtual method do_is_local_label_name.
1951         * target.cc: New file.
1952         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
1953         (check_SCRIPTS): Add discard_locals_test.sh.
1954         (check_DATA): Add discard_local_tests.syms.
1955         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
1956         (discard_local_tests.syms, discard_locals_test.o): New make rules.
1957         * testsuite/Makefile.in: Regenerate.
1958         * testsuite/discard_locals_test.c: New file.
1959         * testsuite/discard_locals_test.sh: Same.
1960
1961 2009-06-05  Doug Kwan  <dougkwan@google.com>
1962
1963         * object.cc (Sized_relobj::Sized_relobj): Initialize
1964         discarded_eh_frame_shndx_ to -1U.
1965         (Sized_relobj::do_layout): Record index of a discard .eh_frame
1966         section.
1967         (Sized_relobj::do_count_local_symbols): Skip local symbols in
1968         a discarded .eh_frame section.
1969         (Sized_relobj::do_finalize_local_symbols): Ditto.
1970         * object.h (class Sized_relobj): Declare new member
1971         discarded_eh_frame_shndx_.
1972         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
1973         (local_labels_test.o, local_labels_test): New rules.
1974         * testsuite/Makefile.in: Regenerate.
1975
1976 2009-06-04  Doug Kwan  <dougkwan@google.com>
1977
1978         * layout.cc (Layout::section_name_mapping): Add mapping for
1979         special ARM sections.
1980
1981 2009-06-03  Doug Kwan  <dougkwan@google.com>
1982
1983         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
1984         (utils::has_overflow): Same.
1985
1986 2009-06-03  Ian Lance Taylor  <iant@google.com>
1987
1988         * layout.cc (Layout::section_name_mapping): New array, replacing
1989         Layout::linkonce_mapping.
1990         (Layout::section_name_mapping_count): New variable, replacing
1991         Layout::linkonce_mapping_count.
1992         (Layout::linkonce_output_name): Remove.
1993         (Layout::output_section_name): Rewrite.
1994         * layout.h (class Layout): Rename Linkonce_mapping to
1995         Section_name_mapping, linkonce_mapping to section_name_mapping,
1996         linkonce_mapping_count to section_name_mapping_count.  Don't
1997         declare linkonce_output_name.
1998
1999 2009-06-03  Doug Kwan  <dougkwan@google.com>
2000
2001         * gold/arm.cc (namespace utils): New.
2002         (Target_arm::reloc_is_non_pic): Define new method.
2003         (class Arm_relocate_functions): New.
2004         (Target_arm::Relocate::relocate): Handle relocation types used by
2005         Android.
2006
2007 2009-06-03  Ian Lance Taylor  <iant@google.com>
2008
2009         * arm.cc (Target_arm::scan::global): Use || instead of |.
2010
2011 2009-06-02  Doug Kwan  <dougkwan@google.com>
2012
2013         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
2014         issued_non_pic_error_.
2015         (class Target_arm::Scan): Declare new method check_non_pic.
2016         Define new method symbol_needs_plt_entry.
2017         Declare new data member issued_non_pic_error_.
2018         (class Target_arm::Relocate): Declare new method
2019         should_apply_static_reloc.
2020         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
2021         (Target_arm::Scan::check_non_pic): Define new method.
2022         (Target_arm::Scan::local): Handle a small subset of reloc types used
2023         by Android.
2024         (Target_arm::Scan::local): Same.
2025         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
2026
2027 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
2028
2029         * incremental.cc (Incremental_inputs::report_command_line): Filter
2030         out --incremental-* options.
2031
2032 2009-05-29  Doug Kwan  <dougkwan@google.com>
2033
2034         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
2035         template class.
2036         (class Target_arm): Update comment.
2037         (Target_arm::Target_arm): Initialize new data members GOT_,
2038         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
2039         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
2040         and Target_arm::rel_dyn_section.
2041         Declare new_enum Target_arm::Got_type.
2042         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
2043         and DYNBSS_.
2044         Update commments for member do_dynsym_value.
2045         (Target_arm::got_size, Target_arm::plt_section,
2046         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
2047         new methods inside class defintion.
2048         (Target_arm::got_section): Define new method.
2049         (Target_arm::rel_dyn_section): Same.
2050         (Output_data_plt_arm): New template class.
2051         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
2052         (Output_data_plt_arm:do_adjust_output_section): Define new method.
2053         (Output_data_plt_arm::add_entry): Same.
2054         (Output_data_plt_arm::first_plt_entry): Define new
2055         static data member for PLT instruction template.
2056         (Output_data_plt_arm::plt_entry): Same.
2057         (Output_data_plt_arm::do_write): Define new method.
2058         (Target_arm::make_plt_entry): Same.
2059         (Target_arm::do_finalize_sections): Same.
2060         (Target_arm::do_dynsym_value): Same.
2061
2062 2009-05-28  Doug Kwan  <dougkwan@google.com>
2063
2064         * Makefile.am (TARGETSOURCES): Add arm.cc.
2065         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
2066         * Makefile.in: Regenerate.
2067         * arm.cc: New file.
2068         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
2069
2070 2009-05-26  Doug Kwan  <dougkwan@google.com>
2071
2072         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
2073         (General_options::check_excluded_libs): Strip off directories in
2074         archive name before matching like GNU ld does.
2075         * testsuite/Makefile.am (MOSTLYCLEANFILES,
2076         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
2077         (exclude_libs_test_LDFLAGS): Add linker option
2078         -Wl,--exclude-libs,libexclude_libs_test_3
2079         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
2080         an explicit archive without using -l.
2081         (alt/libexclude_libs_test_3.a): New make rule.
2082         * testsuite/Makefile.in: Regenerate.
2083         * testsuite/exclude_libs_test.c : Declare lib3_default().
2084         (main): Call it.
2085         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
2086         * exclude_libs_test_3.c: New file.
2087
2088 2009-05-26  Nick Clifton  <nickc@redhat.com>
2089
2090         * po/id.po: New Indonesian translation.
2091         * po/gold.pot: Updated template file.
2092
2093 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
2094
2095         * testsuite/Makefile.am: Add -ffunction-sections to compile 
2096         gc_comdat_test files.  Add -Wl,--gc-sections to build
2097         gc_comdat_test.
2098         * testsuite/Makefile.in: Regenerate.
2099         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
2100
2101 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
2102
2103         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
2104         kept comdat section was garbage collected.
2105         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
2106         * testsuite/Makefile.in: Regenerate.
2107         * testsuite/gc_comdat_test.sh: New file.
2108         * testsuite/gc_comdat_test_1.cc: New file.
2109         * testsuite/gc_comdat_test_2.cc: New file.
2110
2111 2009-05-19  Doug Kwan  <dougkwan@google.com>
2112
2113         * archive.cc (Archive::Archive): Move constructor from archive.h
2114         to here.  Initialize no_export_.
2115         (Archive::get_elf_object_for_member): Set no_export flag of object.
2116         * archive.h (Archive::Archive): Move constructor body to
2117         archive.cc.
2118         (Archive::no_export): New method.
2119         (Archive::no_export_): New field.
2120         * object.h (Object::Object): Initialize no_export_ to false.
2121         (Object::no_export, Object::set_no_export): New methods.
2122         (Object::no_export_): New field.
2123         * options.cc (General_options::parse_exclude_libs): New method.
2124         (General_options::check_excluded_libs) Same.
2125         * options.h (exclude_libs): New option.
2126         (General_options::check_excluded_libs): New method declaration.
2127         (General_options::excluded_libs_): New field.
2128         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
2129         default or protected visibility if an object has no-export flag set.
2130         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
2131         (check_SCRIPTS): Add exclude_libs_test.sh.
2132         (check_DATA): Add exclude_libs_test.syms.
2133         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
2134         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
2135         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
2136         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
2137         (exclude_libs_test.syms, libexclude_libs_test_1.a,
2138         libexclude_libs_test_2.a): New rules.
2139         * testsuite/Makefile.in: Regenerate.
2140         * testsuite/exclude_libs_test.c: New file.
2141         * testsuite/exclude_libs_test.sh: Ditto.
2142         * testsuite/exclude_libs_test_1.c: Ditto.
2143         * testsuite/exclude_libs_test_2.c: Ditto.
2144
2145 2009-05-15  Ian Lance Taylor  <iant@google.com>
2146
2147         * configure.ac: Check for declarations for cases where libiberty.h
2148         checks HAVE_DECL_xxx.
2149         * configure, config.in: Rebuild.
2150
2151 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
2152
2153         * gold.h (Incremental_argument_list): Remove (invalid) forward
2154         declaration.
2155         * incremental.cc (Incremental_inputs::report_achive): New method.
2156         (Incremental_inputs::report_object): New method.
2157         (Incremental_inputs::report_script): New method.
2158         (Incremental_inputs::finalize_inputs): New method.
2159         (Incremental_inputs::finalize): Call finalize_inputs().
2160         (Incremental_inputs::sized_create_incremental_inputs_section_data):
2161         Create inputs entries.
2162         * incremental.h (Incremental_input_type): New enum.
2163         (Incremental_inputs::Incremental_input): Initialize new fields.
2164         (Incremental_inputs::report_inputs): New method.
2165         (Incremental_inputs::report_achive): New method.
2166         (Incremental_inputs::report_object): New method.
2167         (Incremental_inputs::report_script): New method.
2168         (Incremental_inputs::finalize_inputs): New method.
2169         (Incremental_inputs::Input_info): New struct.
2170         (Incremental_inputs::Input_info_map): New typedef.
2171         (Incremental_inputs::lock_): New field.
2172         (Incremental_inputs::Inputs_): New field.
2173         (Incremental_inputs::Inputs_map): New field.
2174         * main.cc (main): Call Incremental_input::report_inputs.
2175         * options.h (Input_argument_list): Typedef moved from
2176         Input_arguments.
2177         (Input_file_group::Files): Remove, use ::Input_argument_list.
2178         (Input_file_group::Input_argument_list): Remove, use
2179         ::Input_argument_list.
2180         * plugin.cc (Plugin_manager::add_input_file): Add error in
2181         incremental build.
2182         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
2183         functions.
2184         * script.cc (read_input_script): Call
2185         Incremental_input::report_script.
2186         * script.h (Script_info): New class.
2187
2188 2009-04-27  Ian Lance Taylor  <iant@google.com>
2189
2190         * x86_64.cc (do_adjust_output_section): Set entsize to
2191         plt_entry_size.
2192
2193 2009-04-23  Elliott Hughes  <enh@google.com>
2194
2195         * output.cc (Output_file::close): After short writes, continue
2196         writing from the correct offset in the buffer being written.
2197
2198 2009-04-23  Chris Demetriou  <cgd@google.com>
2199
2200         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
2201         * configure: Regenerate.
2202         * config.in: Regenerate.
2203         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
2204         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
2205
2206 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
2207
2208         * incremental.cc (Incremental_inputs_header_data): Renamed from
2209         Incremental_input_header_data.
2210         (Incremental_inputs_header_data::data_size): New field.
2211         (Incremental_inputs_header_data::put_input_file_count): Renamed
2212         from input_file_count.
2213         (Incremental_inputs_header_data::put_command_line_offset): Renamed
2214         from command_line_offset.
2215         (Incremental_inputs_header_data::put_reserved): Renamed from
2216         put_reserved.
2217         (Incremental_inputs_entry_data): Renamed from
2218         Incremental_input_entry_data.
2219         (Incremental_inputs_entry_data::data_size): New field.
2220         (Incremental_inputs::report_command_line): New method.
2221         (Incremental_inputs::finalize): New method.
2222         (Incremental_inputs::create_incremental_inputs_data): New method.
2223         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
2224         * incremental.h: New file.
2225         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
2226        (Layout::finalize): Create incremental inputs section in
2227         incremental builds.
2228        (Layout::create_incremental_info_sections): New method.
2229         * layout.h (Layout::incremental_inputs): New method.
2230        (Layout::create_incremental_info_sections): New method.
2231        (Layout::incremental_inputs_): New field.
2232         * main.cc (main): Notify Incremental_input of the command line.
2233
2234 2009-04-01  Ian Lance Taylor  <iant@google.com>
2235             Mikolaj Zalewski  <mikolajz@google.com>
2236
2237         * gold.h (reserve_unordered_map): Define, three versions, one for
2238         each version of Unordered_map.
2239         * layout.cc (Layout::Layout): Remove options parameter.  Add
2240         number_of_input_files parameter.  Don't initialize options_.
2241         Initialize number_of_input_files_ and resized_signatures_.  Move
2242         sections_are_attached_.
2243         (Layout::layout_group): Reserve space for group_signatures_.
2244         (Layout::find_or_add_kept_section): Change name parameter to be a
2245         reference.  Resize signatures_ map when it gets large enough.
2246         (Layout::layout_eh_frame): Use parameters->options() instead of
2247         this->options_.
2248         (Layout::make_output_section): Likewise.
2249         (Layout::attach_allocated_section_to_segment): Likewise.
2250         (Layout::finalize, Layout::create_executable_stack): Likewise.
2251         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
2252         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
2253         * layout.h (class Layout): Update declarations.  Remove options_
2254         field.  Add number_of_input_files_ and resized_signatures_
2255         fields.  Move sections_are_attached_ field.
2256         * main.cc (main): Pass number of input files to Layout
2257         constructor.  Don't pass options.
2258
2259 2009-03-30  Ian Lance Taylor  <iant@google.com>
2260
2261         * ffsll.c (ffsll): Correct implementation.
2262
2263 2009-03-27  Ian Lance Taylor  <iant@google.com>
2264
2265         * ffsll.c: New file.
2266         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
2267         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
2268         * ftruncate.c (ftruncate): Declare before definition.
2269         * mremap.c (mremap): Likewise.
2270         * pread.c (pread): Likewise.
2271         * configure, Makefile.in, config.in: Rebuild.
2272
2273         * mremap.c: New file.
2274         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
2275         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
2276         (mremap): Declare if HAVE_MREMAP is not defined.
2277         * configure, Makefile.in, config.in: Rebuild.
2278
2279 2009-03-27  Cary Coutant  <ccoutant@google.com>
2280
2281         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
2282         position independent.
2283         * sparc.cc (Target_sparc::check_non_pic): Likewise.
2284         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
2285
2286 2009-03-24  Cary Coutant  <ccoutant@google.com>
2287
2288         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
2289         an executable.
2290         (needs_dynamic_reloc): Likewise.
2291
2292 2009-03-24  Ian Lance Taylor  <iant@google.com>
2293
2294         * yyscript.y (file_cmd): Recognize EXTERN.
2295         (extern_name_list, extern_name_list_body): New nonterminals.
2296         * script.cc (script_add_extern): Define.
2297         * script-c.h (script_add_extern): Declare.
2298
2299 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
2300
2301         * object.cc (is_elf_object): Define.
2302         * object.h (is_elf_object): Declare.
2303         * archive.cc (Archive::get_elf_object_for_member): Call
2304         is_elf_object.
2305         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
2306
2307 2009-03-24  Elliott Hughes  <enh@google.com>
2308
2309         * output.cc (Output_file::map_anonymous): Define.
2310         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
2311         try an anonymous one.  Report the size if the mmap fails.
2312         * output.h (class Output_file): Declare map_anonymous.
2313
2314 2009-03-24  Ian Lance Taylor  <iant@google.com>
2315
2316         * target-select.cc (instantiate_target): Don't acquire the lock if
2317         the instantiated_target_ field has already been set.
2318
2319 2009-03-23  Ian Lance Taylor  <iant@google.com>
2320
2321         * gold-threads.h (class Initialize_lock): Define.
2322         * gold-threads.cc (class Initialize_lock_once): Define.
2323         (initialize_lock_control): New static variable.
2324         (initialize_lock_pointer): New static variable.
2325         (initialize_lock_once): New static function.
2326         (Initialize_lock::Initialize_lock): Define.
2327         (Initialize_lock::initialize): Define.
2328         * target-select.h: Include "gold-threads.h".
2329         (class Target_selector): Add lock_ and initialize_lock_ fields.
2330         Don't define instantiate_target, just declare it.
2331         * target-select.cc (Target_selector::Target_selector): Initialize
2332         new fields.
2333         (Target_selector::instantiate_target): Define.
2334         * descriptors.h: Include "gold-threads.h".
2335         (class Descriptors): Add initialize_lock_ field.
2336         * descriptors.cc (Descriptors::Descriptors): Initialize new
2337         field.
2338         (Descriptors::open): Use initialize_lock_ field
2339         * errors.h (class Errors): Add initialize_lock_ field.
2340         * errors.cc (Errors::Errors): Initialize new field.
2341         (Errors::initialize_lock): Use initialize_lock_ field.
2342         * powerpc.cc (class Target_selector_powerpc): Remove
2343         instantiated_target_ field.  In do_recognize call
2344         instantiate_target rather than do_instantiate_target.  In
2345         do_instantiate_target just allocate a new target.
2346         * sparc.cc (class Target_selector_sparc): Likewise.
2347
2348         * freebsd.h: New file.
2349         * i386.cc: Include "freebsd.h".
2350         (Target_i386): Derive from Target_freebsd rather than
2351         Sized_target.
2352         (Target_selector_i386): Derive from Target_selector_freebsd rather
2353         than Target_selector.
2354         * x86_64.cc: Include "freebsd.h".
2355         (Target_x86_64): Derive from Target_freebsd rather than
2356         Sized_target.
2357         (Target_selector_x86_64): Derive from Target_selector_freebsd
2358         rather than Target_selector.
2359         * target.h (class Target): Add adjust_elf_header and
2360         do_adjust_elf_header.
2361         * output.cc (Output_file_header:: do_sized_write): Call target
2362         adjust_elf_header routine.
2363         * configure.tgt: Set targ_osabi.
2364         * configure.ac: Define GOLD_DEFAULT_OSABI.
2365         * parameters.cc (Parameters::default_target): Pass
2366         GOLD_DEFAULT_OSABI to select_target.
2367         * target-select.h (class Target_selector): Make instantiate_target
2368         protected rather than private.
2369         * Makefile.am (HFILES): Add freebsd.h.
2370         * configure, Makefile.in, config.in: Rebuild.
2371
2372         * merge.cc (do_add_input_section): Correct pend value.  Change
2373         message about last entry not being null terminated from error to
2374         warning.
2375
2376 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
2377
2378         * incremental.cc: New file.
2379         * Makefile.am (CCFILES): Add incremental.cc.
2380         * Makefile.in: Rebuild.
2381
2382 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
2383
2384         * layout.cc (Layout::output_section_name): Preserve names
2385         of '.note.' sections.
2386         
2387 2009-03-19  Ian Lance Taylor  <iant@google.com>
2388
2389         * descriptors.cc (Descriptors::open): Check that the options are
2390         valid before using them.
2391
2392 2009-03-18  Ian Lance Taylor  <iant@google.com>
2393
2394         * script-sections.h: Include <list>.
2395         (class Script_sections): Change Sections_elements from std::vector
2396         to std::list.  Typedef public Elements_iterator.  Add
2397         orphan_section_placement_, data_segment_align_start_, and
2398         saw_data_segment_align_ fields.  Remove data_segment_align_index_
2399         field.
2400         * script-sections.cc (class Orphan_section_placement): New class.
2401         (class Sections_element): Add virtual functions is_relro and
2402         orphan_section_init.  Remove virtual function place_orphan_here.
2403         (class Output_section_definition): Add is_relro and
2404         orphan_section_init.  Remove place_orphan_here.
2405         (class Orphan_output_section): Likewise.
2406         (Script_sections::Script_sections): Update for field changes.
2407         (Script_sections::data_segment_align): Set saw_data_segment_align_
2408         and data_segment_align_start_, not data_segment_align_index.
2409         (Script_sections::data_segment_relro_end): Check
2410         saw_data_segment_align_.  Use data_segment_align_start_ rather
2411         than data_segment_align_index_.
2412         (Script_sections::place_orphan): Rewrite to use
2413         Orphan_section_placement.
2414
2415 2009-03-17  Ian Lance Taylor  <iant@google.com>
2416
2417         * archive.cc (Archive::add_symbols): Check for a version attached
2418         to the symbol name in the archive map.
2419         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
2420         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
2421         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
2422         (ver_test_11.a): New target.
2423         * testsuite/Makefile.in: Rebuild.
2424
2425         * configure.ac: Check for chsize and posix_fallocate.  Replace
2426         ftruncate.
2427         * ftruncate.c: New file, from gnulib.
2428         * output.cc (posix_fallocate): Define dummy version if not
2429         HAVE_POSIX_FALLOCATE.
2430         (Output_file::map): Call posix_fallocate rather than lseek and
2431         write.
2432         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
2433         * configure, Makefile.in, config.in: Rebuild.
2434
2435 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
2436         
2437         * layout.h (Layout::create_note): Add section_name parameter.
2438         * layout.cc (Layout::create_note): Likewise.
2439         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
2440         
2441 2009-03-17  Ian Lance Taylor  <iant@google.com>
2442
2443         * descriptors.cc: Include "options.h".
2444         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
2445         (Descriptors::open): Always use O_CLOEXEC when opening a new
2446         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
2447         then set FD_CLOEXEC.
2448
2449         * sparc.cc (class Target_sparc): Add has_got_section.
2450         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
2451         make sure we have a GOT section.
2452
2453         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
2454         (Target_sparc::Scan::local): Likewise.
2455         (Target_sparc::Scan::global): Likewise.
2456         (Target_sparc::Relocate::relocate): Likewise.
2457         (Target_sparc::Relocate::relocate_tls): Likewise.
2458
2459         * symtab.cc (Symbol_table::define_default_version): New function,
2460         broken out of add_from_object.
2461         (Symbol_table::add_from_object): Call define_default_version.
2462         (Symbol_table::define_special_symbol): Add resolve_oldsym
2463         parameter.  Change all callers.  If the version for a symbol comes
2464         from a version script, resolve it with the symbol with the same
2465         name with no version.  Also add the symbol without a version if
2466         appropriate.
2467         (do_define_in_output_data): If resolving with oldsym, don't delete
2468         sym.
2469         (do_define_in_output_segment): Likewise.
2470         (do_define_as_constant): Likewise.
2471         * symtab.h (class Symbol_table): Update declarations.
2472
2473 2009-03-13  Ian Lance Taylor  <iant@google.com>
2474
2475         * readsyms.cc (Read_symbols::incompatible_warning): New function.
2476         (Read_symbols::requeue): New function.
2477         (Read_symbols::do_read_symbols): If make_elf_object fails because
2478         the target type is not configured, and the file was searched for,
2479         issue a warning and retry with the next directory.
2480         (Add_symbols::run): If the file has an incompatible format, and
2481         it was searched for, requeue the Read_symbols task.  On error,
2482         release the object.
2483         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
2484         dirindex parameter to constructor.  Change all callers.  Declare
2485         incompatible_warning and requeue.
2486         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
2487         input_argument_ and input_group_ fields.  Add them to
2488         constructor.  Change all callers.
2489         (class Read_script): Add dirindex_ field.  Add it to constructor.
2490         Change all callers.
2491         * archive.cc (Archive::setup): Remove input_objects parameter.
2492         Change all callers.
2493         (Archive::get_file_and_offset): Likewise.
2494         (Archive::read_all_symbols): Likewise.
2495         (Archive::read_symbols): Likewise.
2496         (Archive::get_elf_object_for_member): Remove input_objects
2497         parameter.  Add punconfigured parameter.  Change all callers.
2498         (Archive::add_symbols): Change return type to bool.  Check return
2499         value of include_member.
2500         (Archive::include_all_members): Likewise.
2501         (Archive::include_member): Change return type to bool.  Return
2502         false if first included object has incompatible target.  Set
2503         included_member_ field.
2504         (Add_archive_symbols::run): If add_symbols returns false, requeue
2505         Read_symbols task.
2506         * archive.h (class Archive): Add included_member_ field.
2507         Initialize it in constructor.  Add input_file and searched_for
2508         methods.  Update declarations.
2509         (class Add_archive_symbols): Add dirpath_, dirindex_, and
2510         input_argument_ fields.  Add them to constructor.  Change all
2511         callers.
2512         * script.cc: Include "target-select.h".
2513         (class Parser_closure): Add skip_on_incompatible_target_ and
2514         found_incompatible_target_ fields.  Add
2515         skip_on_incompatible_target parameter to constructor.  Change all
2516         callers.  Add methods skip_on_incompatible_target,
2517         clear_skip_on_incompatible_target, found_incompatible_target, and
2518         set_found_incompatible_target.
2519         (read_input_script): Add dirindex parameter.  Change all callers.
2520         If parser finds an incompatible target, requeue Read_symbols
2521         task.
2522         (script_set_symbol): Clear skip_on_incompatible_target in
2523         closure.
2524         (script_add_assertion, script_parse_option): Likewise.
2525         (script_start_sections, script_add_phdr): Likewise.
2526         (script_check_output_format): New function.
2527         * script.h (read_input_script): Update declaration.
2528         * script-c.h (script_check_output_format): Declare.
2529         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
2530         (ignore_cmd): Remove OUTPUT_FORMAT.
2531         * fileread.cc (Input_file::Input_file): Add explicit this.
2532         (Input_file::will_search_for): New function.
2533         (Input_file::open): Add pindex parameter.  Change all callers.
2534         * fileread.h (class Input_file): Add input_file_argument method.
2535         Declare will_search_for.  Update declarations.
2536         * object.cc (make_elf_object): Add punconfigured parameter.
2537         Change all callers.
2538         * object.h (class Object): Make input_file public.  Add
2539         searched_for method.
2540         (make_elf_object): Update declaration.
2541         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
2542         restart search.
2543         * dirsearch.h (class Dirsearch): Update declaration.
2544         * options.h (class General_options): Add --warn-search-mismatch.
2545         * parameters.cc (Parameters::is_compatible_target): New function.
2546         * parameters.h (class Parameters): Declare is_compatible_target.
2547         * workqueue.cc (Workqueue::add_blocker): New function.
2548         * workqueue.h (class Workqueue): Declare add_blocker.
2549
2550         * fileread.cc (Input_file::open): Remove options parameter.
2551         Change all callers.
2552         (Input_file::open_binary): Likewise.
2553         * script.cc (read_input_script): Likewise.
2554         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
2555         options parameter from constructor.  Change all callers.
2556         (class Read_script): Likewise.
2557         * fileread.h (class Input_file): Update declarations.
2558         * script.h (read_input_script): Update declaration.
2559
2560 2009-03-10  Nick Clifton  <nickc@redhat.com>
2561
2562         * po/es.po: New Spanish translation.
2563
2564 2009-03-06  Cary Coutant  <ccoutant@google.com>
2565
2566         * options.cc (parse_short_option): Keep dash_z from registering itself.
2567
2568 2009-03-03  Ian Lance Taylor  <iant@google.com>
2569
2570         PR 9918
2571         * target-reloc.h (relocate_section): Pass output_section to
2572         relocate.
2573         * i386.cc (Target_i386::should_apply_static_reloc): Add
2574         output_section parameter.  Change all callers.
2575         (Target_i386::Relocate::relocate): Add output_section parameter.
2576         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
2577         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
2578         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
2579         * testsuite/two_file_shared.sh: New script.
2580         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
2581         (check_DATA): Add two_file_shared.dbg.
2582         (two_file_shared.dbg): New target.
2583         * testsuite/Makefile.in: Rebuild.
2584
2585 2009-03-01  Ian Lance Taylor  <iant@google.com>
2586
2587         * configure.ac: Check for byteswap.h.
2588         * configure: Rebuild.
2589         * config.in: Rebuild.
2590
2591 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
2592
2593         * layout.cc (Layout::find_or_add_kept_section): New function.
2594         (Layout::add_comdat): Removed.
2595         * layout.h (struct Kept_section): Move out of class Layout.
2596         Remove trailing underscores from field names.  Add group_sections
2597         field.  Rename group_ field to is_group.  Change all uses.
2598         (class Layout): Declare find_or_add_kept_section, not add_comdat.
2599         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
2600         comdat_groups_ field.
2601         (Sized_relobj::include_section_group): Use
2602         find_or_add_kept_section and Kept_section::group_sections.
2603         (Sized_relobj::include_linkonce_section): Likewise.
2604         * object.cc (class Sized_relobj): Don't define Comdat_group or
2605         Comdat_group_table.  Remove find_comdat_group and
2606         add_comdat_group.  Remove comdat_groups_ field.
2607         * plugin.cc (include_comdat_group): Use
2608         Layout::find_or_add_kept_section.
2609
2610 2009-02-28  Ian Lance Taylor  <iant@google.com>
2611
2612         * README: --gc-sections and map files are now supported.  Document
2613         some build requirements.
2614
2615         PR 6992
2616         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
2617         relocatable link set the value of the section symbol to zero.
2618         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
2619         relocatable link don't include the section address in the local
2620         symbol value.
2621
2622 2009-02-27  Ian Lance Taylor  <iant@google.com>
2623
2624         PR 6811
2625         * options.h (class Search_directory): Add is_system_directory.
2626         (class General_options): Declare is_in_system_directory.
2627         * options.cc (get_relative_sysroot): Make static.
2628         (get_default_sysroot): Make static.
2629         (General_optoins::is_in_system_directory): New function.
2630         * fileread.cc (Input_file::is_in_system_directory): New function.
2631         * fileread.h (class Input_file): Declare is_in_system_directory.
2632         * object.h (class Object): Add is_in_system_directory.
2633         (class Input_objects): Remove system_library_directory_ field.
2634         * object.cc (Input_objects::add_object): Don't set
2635         system_library_directory_.
2636         (input_objects::found_in_system_library_directory): Remove.
2637         * symtab.cc (Symbol_table::write_globals): Remove input_objects
2638         parameter.  Change all callers.
2639         (Symbol_table::sized_write_globals): Likewise.
2640         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
2641         Call Object::is_in_system_directory.
2642         * symtab.h (class Symbol_table): Update declarations.
2643
2644         PR 5990
2645         * descriptors.h (Open_descriptor): Add is_on_stack field.
2646         * descriptors.cc (Descriptors::open): If the descriptor is on the
2647         top of the stack, remove it.  Initialize is_on_stack field.
2648         (Descriptors::release): Only add pod to stack if it is not on the
2649         stack already.
2650         (Descriptors::close_some_descriptor): Clear stack_next and
2651         is_on_stack fields.
2652
2653         PR 7091
2654         * output.cc (Output_section::find_starting_output_address): Rename
2655         from starting_output_address; add PADDR parameter; change return
2656         type.
2657         * output.h (class Output_section): Declare
2658         find_starting_output_address instead of starting_output_address.
2659         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
2660         section symbol for which we can't find a merge section.
2661
2662         PR 9836
2663         * symtab.cc (Symbol_table::add_from_object): If the visibility is
2664         hidden or internal, force the symbol to be local.
2665         * resolve.cc (Symbol::override_visibility): Define.
2666         (Symbol::override_base): Use override_visibility.
2667         (Symbol_table::resolve): Likewise.
2668         (Symbol::override_base_with_special): Likewise.
2669         (Symbol_table::override_with_special): If the visibility is hidden
2670         or internal, force the symbol to be local.
2671         * symtab.h (class Symbol): Add set_visibility and
2672         override_visibility.
2673         * testsuite/ver_test_1.sh: New file.
2674         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
2675         (check_DATA): Add ver_test_1.syms.
2676         (ver_test_1.syms): New target.
2677         * testsuite/Makefile.in: Rebuild.
2678
2679 2009-02-25  Cary Coutant  <ccoutant@google.com>
2680
2681         * layout.cc (Layout::choose_output_section): Don't rename sections
2682         when using a linker script that has a SECTIONS clause.
2683         * Makefile.in: Regenerate.
2684
2685         * testsuite/Makefile.am (script_test_5.sh): New test case.
2686         * testsuite/Makefile.in: Regenerate.
2687         * testsuite/script_test_5.cc: New file.
2688         * testsuite/script_test_5.sh: New file.
2689         * testsuite/script_test_5.t: New file.
2690
2691 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
2692
2693         * archive.cc (Archive::include_member): Update calls to add_symbols.
2694         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
2695         the Layout argument.
2696         * dynobj.h (do_add_symbols): Add the Layout argument.
2697         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
2698         Layout argument.
2699         * object.h (Object::add_symbols): Add the Layout argument.
2700         (Object::do_add_symbols): Add the Layout argument.
2701         (Sized_relobj::do_add_symbols): Add the Layout argument.
2702         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
2703         Unify the two versions.
2704         (Add_plugin_symbols): Remove.
2705         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
2706         (Sized_pluginobj::do_add_symbols): Unify the two versions.
2707         (Add_plugin_symbols): Remove.
2708         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
2709         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
2710         (Add_symbols::run): Make it work with Pulginobj.
2711
2712 2009-02-06  Ian Lance Taylor  <iant@google.com>
2713
2714         * object.cc (Sized_relobj::do_layout): Make info message start
2715         with lower case letter.
2716
2717 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
2718
2719         * binary.cc: Fix file comment.
2720
2721         * options.h (enum Incremental_disposition): Define.
2722         (class General_options): Add new options: --incremental,
2723         --incremental_changed, --incremental_unchanged,
2724         --incremental_unknown.  Add incremental_disposition_ and
2725         implicit_incremental_ fields.
2726         (General_options::incremental_disposition): New function.
2727         (class Position_dependent_options): Add incremental_disposition
2728         option.
2729         (Position_dependent_options::copy_from_options): Set incremental
2730         dispositions.
2731         * options.cc (General_options::parse_incremental_changed): New
2732         function.
2733         (General_options::parse_incremental_unchanged): New function.
2734         (General_options::parse_incremental_unknown): New function.
2735         (General_options::General_options): Initialize new fields
2736         incremental_disposition_ and implicit_incremental_.
2737         (General_options::finalize): Check for uasge of --incremental-*
2738         without --incremental.
2739
2740 2009-02-06  Chris Demetriou  <cgd@google.com>
2741
2742         * gold.h (gold_undefined_symbol): Change to take only a Symbol
2743         pointer and to report location as the file name associated with
2744         the symbol.
2745         (gold_undefined_symbol_at_location): New function to replace the
2746         old gold_undefined_symbol functionality.
2747         * target-reloc.h (relocate_section): Update to use
2748         gold_undefined_symbol_at_location.
2749         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
2750         Call gold_undefined_symbol function rather than gold_error.
2751         * errors.h (Errors::undefined_symbol): Take location as a
2752         string, rather than calculating it from a relocation.
2753         * errors.cc (Errors::fatal): Print "fatal error:" before the
2754         formatted message.
2755         (Errors::error, Errors::error_at_location): Print "error: "
2756         before the formatted message.
2757         (Errors::undefined_symbol): Take location as a string, rather
2758         than calculating it from a relocation.
2759         (gold_undefined_symbol_at_location): New function akin to
2760         old gold_undefined_symbol, calculates location from relocation.
2761         (gold_undefined_symbol): Change to take only a Symbol pointer
2762         and to report location as the file name associated with the symbol.
2763         * testsuite/debug_msg.sh: Update for changed error messages.
2764         * testsuite/undef_symbol.sh: Likewise.
2765
2766 2009-02-04  Duncan Sands  <baldrick@free.fr>
2767
2768         PR 9812
2769         * reduced_debug_output.h
2770         (Output_reduced_debug_abbrev_section::failed): Use format for
2771         gold_warning.
2772         (Output_reduced_debug_info_section::faild): Likewise.
2773
2774 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
2775
2776         * script.cc (Lazy_demangler): New class.
2777         (Version_script_info::get_symbol_version_helper): Demangle a
2778         symbol only once.
2779
2780 2009-01-29  Cary Coutant  <ccoutant@google.com>
2781
2782         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
2783         to __tls_get_addr.
2784         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
2785
2786 2009-01-28  Ian Lance Taylor  <iant@google.com>
2787
2788         * version.cc (version_string): Bump to 1.9.
2789
2790         * gold.h: Include <cstring> and <stdint.h>.
2791         * version.cc: Include <cstdio>.
2792         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
2793         warning.
2794         * reduced_debug_output.cc (insert_into_vector): Rename from
2795         Insert_into_vector; change all callers.  Use Swap_unaligned to
2796         avoid aliasing issue; remove union since it is unnecessary.
2797
2798 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
2799
2800         * Makefile.am (CCFILES): Add gc.cc.
2801         (HFILES): Add gc.h.
2802         * Makefile.in: Regenerate.
2803         * gold.cc (Gc_runner): New class.
2804         (queue_initial_tasks): Call garbage collection related tasks
2805         when corresponding options are invoked.
2806         (queue_middle_gc_tasks): New function.
2807         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
2808         processed early before laying out sections during garbage collection.
2809         * gold.h (queue_middle_gc_tasks): New function.
2810         (is_prefix_of): Move from "layout.cc".
2811         * i386.cc (Target_i386::gc_process_relocs): New function.
2812         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
2813         * main.cc (main): Create object of class "Garbage_collection".
2814         * object.cc (Relobj::copy_symbols_data): New function.
2815         (Relobj::is_section_name_included): New function.
2816         (Sized_relobj::do_layout): Allow this function to be called twice 
2817         during garbage collection and defer layout of section during the 
2818         first call.
2819         * object.h (Relobj::get_symbols_data): New function.
2820         (Relobj::is_section_name_included): New function.
2821         (Relobj::copy_symbols_data): New function.
2822         (Relobj::set_symbols_data): New function.
2823         (Relobj::get_relocs_data): New function.
2824         (Relobj::set_relocs_data): New function.
2825         (Relobj::is_output_section_offset_invalid): New pure virtual function.
2826         (Relobj::gc_process_relocs): New function.
2827         (Relobj::do_gc_process_relocs): New pure virtual function.
2828         (Relobj::sd_): New data member.
2829         (Sized_relobj::is_output_section_offset_invalid): New function.
2830         (Sized_relobj::do_gc_process_relocs): New function.
2831         * options.h (General_options::gc_sections): Modify to not be a no-op.
2832         (General_options::print_gc_sections): New option.
2833         * plugin.cc (Plugin_finish::run): Remove function call to
2834         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
2835         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
2836         * reloc.cc (Read_relocs::run): Add task to process relocs and
2837         determine unreferenced sections when doing garbage collection.
2838         (Gc_process_relocs): New class.
2839         (Sized_relobj::do_gc_process_relocs): New function.
2840         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
2841         sections that are garbage collected.
2842         * reloc.h (Gc_process_relocs): New class.
2843         * sparc.cc (Target_sparc::gc_process_relocs): New function.
2844         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
2845         symbols whose corresponding sections are garbage collected.
2846         (Symbol_table::Symbol_table): Add new parameter for the garbage
2847         collection object.
2848         (Symbol_table::gc_mark_undef_symbols): New function.
2849         (Symbol_table::gc_mark_symbol_for_shlib): New function.
2850         (Symbol_table::gc_mark_dyn_syms): New function.
2851         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
2852         as garbage.
2853         (Symbol_table::add_from_object): Likewise.
2854         (Symbol_table::add_from_relobj): When building shared objects, do not
2855         treat externally visible symbols as garbage.
2856         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
2857         table information for static and relocatable links.
2858         * symtab.h (Symbol_table::set_gc): New function.
2859         (Symbol_table::gc): New function.
2860         (Symbol_table::gc_mark_undef_symbols): New function.
2861         (Symbol_table::gc_mark_symbol_for_shlib): New function.
2862         (Symbol_table::gc_mark_dyn_syms): New function.
2863         (Symbol_table::gc_): New data member.
2864         * target.h (Sized_target::gc_process_relocs): New pure virtual 
2865         function.
2866         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
2867         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
2868
2869 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
2870
2871         * options.h (General_options::gc_sections): Define as a no-op for now.
2872         (General_options::no_keep_memory): Ditto.
2873         (General_options::Bshareable): Define.
2874         * options.cc (General_options::finalize): Honor -Bshareable.
2875
2876 2009-01-20  Andreas Schwab  <schwab@suse.de>
2877
2878         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
2879         read the value in the contents, since we don't use it.  Use the
2880         template endianness when writing.
2881         (Relocate::relocate): Use it for R_PPC_REL16_HA.
2882
2883 2009-01-19  Andreas Schwab  <schwab@suse.de>
2884
2885         * configure.tgt (powerpc64-*): Fix targ_obj.
2886
2887 2009-01-15  Ian Lance Taylor  <iant@google.com>
2888
2889         * object.cc (Sized_relobj::write_local_symbols): Don't write out
2890         local symbols when stripping all symbols.
2891
2892 2009-01-14  Cary Coutant  <ccoutant@google.com>
2893
2894         * output.cc (Output_reloc): Add explicit instantiations.
2895
2896 2009-01-14  Cary Coutant  <ccoutant@google.com>
2897
2898         * archive.cc (Archive::get_elf_object_for_member): Remove call
2899         to File_read::claim_for_plugin.
2900         * descriptors.cc (Descriptors::open): Remove reference to
2901         is_claimed.
2902         (Descriptors::claim_for_plugin): Remove.
2903         * descriptors.h (Descriptors::claim_for_plugin): Remove.
2904         (Descriptors::is_claimed): Remove.
2905         (claim_descriptor_for_plugin): Remove.
2906         * fileread.cc (File_read::claim_for_plugin): Remove.
2907         * fileread.h (File_read::claim_for_plugin): Remove.
2908         (File_read::descriptor): Reopen descriptor if necessary.
2909         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
2910         (Plugin_manager::all_symbols_read): Add task parameter. Change
2911         all callers.
2912         (Plugin_manager::get_input_file): New function.
2913         (Plugin_manager::release_input_file): New function.
2914         (Pluginobj::Pluginobj): Add filesize parameter and initialize
2915         corresponding data member.
2916         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
2917         and pass to base constructor. Change all callers.
2918         (get_input_file, release_input_file): New functions.
2919         (make_sized_plugin_object): Add filesize parameter. Change all callers.
2920         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
2921         (Plugin_manager::all_symbols_read): Add task parameter.
2922         (Plugin_manager::get_input_file): New function.
2923         (Plugin_manager::release_input_file): New function.
2924         (Plugin_manager::task_): New data member.
2925         (Pluginobj::Pluginobj): Add filesize parameter.
2926         (Pluginobj::filename): New function.
2927         (Pluginobj::descriptor): New function.
2928         (Pluginobj::filesize): New function.
2929         (Pluginobj::filesize_): New data member.
2930         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
2931         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
2932         File_read::claim_for_plugin; use Object::unlock to unlock the file.
2933
2934         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
2935         with archive libraries.
2936         * testsuite/Makefile.in: Regenerate.
2937         * testsuite/plugin_test.c (struct sym_info): New type.
2938         (get_input_file, release_input_file): New static variables.
2939         (onload): Capture new transfer vector entries.
2940         (claim_file_hook): Stop reading at end of file according to filesize.
2941         Factor out parsing of readelf output into separate function.
2942         (all_symbols_read_hook): Exercise get_input_file and release_input_file
2943         APIs and get the source file name from the symbol table.  Convert
2944         source file name to corresponding object file name.  Print info
2945         message when adding new input files.
2946         (parse_readelf_line): New function.
2947         * testsuite/plugin_test_1.sh: Add checks for new info messages.
2948         * testsuite/plugin_test_2.sh: Likewise.
2949         * testsuite/plugin_test_3.sh: Likewise.
2950         * testsuite/plugin_test_4.sh: New test case.
2951
2952 2009-01-07  Ian Lance Taylor  <iant@google.com>
2953
2954         * version.cc (version_string): Bump to 1.8.
2955
2956 2008-12-23  Cary Coutant  <ccoutant@google.com>
2957
2958         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
2959         * plugin.cc (Plugin_manager::finish): Rename as
2960         layout_deferred_objects.  Move cleanup to separate function.
2961         (Plugin_manager::cleanup): New function.
2962         (Plugin_finish::run): Call layout_deferred_objects and cleanup
2963         separately.
2964         * plugin.h (Plugin_manager::finish): Rename as
2965         layout_deferred_objects.
2966         (Plugin_manager::cleanup): New function.
2967         (Plugin_manager::cleanup_done): New field.
2968
2969 2008-12-23  Cary Coutant  <ccoutant@google.com>
2970
2971         * plugin.cc (is_visible_from_outside): New function.
2972         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
2973         so we don't return "IR only" status for exported symbols or -r links.
2974
2975         * testsuite/Makefile.am (plugin_test_3): New test case.
2976         * testsuite/Makefile.in: Regenerate.
2977         * testsuite/plugin_test_3.sh: New file.
2978
2979 2008-12-22  Cary Coutant  <ccoutant@google.com>
2980
2981         * object.cc (Sized_relobj::layout_section): New function.
2982         (Sized_relobj::do_layout): Defer layout of input sections until after
2983         plugin has provided replacement files.
2984         (Sized_relobj::do_layout_deferred_sections): New function.
2985         * object.h (Relobj::set_section_offset): Remove virtual keyword.
2986         (Relobj::layout_deferred_sections): New function.
2987         (Relobj::do_layout_deferred_sections): New function.
2988         (Sized_relobj::do_layout_deferred_sections): New function.
2989         (Sized_relobj::layout_section): New function.
2990         (Sized_relobj::Deferred_layout): New structure.
2991         (Sized_relobj::deferred_layout_): New field.
2992         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
2993         Change all callers.  Layout deferred sections.
2994         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
2995         references.
2996         (Plugin_hook::run): Move code from do_plugin_hook inline.
2997         (Plugin_hook::do_plugin_hook): Remove.
2998         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
2999         (Plugin_manager::finish): Renamed, was cleanup.
3000         (Plugin_manager::should_defer_layout): New function.
3001         (Plugin_manager::add_deferred_layout_object): New function.
3002         (Plugin_manager::Deferred_layout_list): New type.
3003         (Plugin_manager::deferred_layout_objects_): New field.
3004         (Plugin_hook::do_plugin_hook): Remove.
3005
3006 2008-12-17  Ian Lance Taylor  <iant@google.com>
3007
3008         * options.h (class General_options): Add --no case for
3009         --export-dynamic.
3010
3011 2008-12-16  Cary Coutant  <ccoutant@google.com>
3012
3013         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
3014         vector.
3015         (Plugin_manager::claim_file): Create plugin object even if
3016         plugin did not call the add_symbols callback.
3017         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
3018         asking for more symbols than were added.
3019         * testsuite/Makefile.am (plugin_test_1): Add test case with
3020         no global symbols.
3021         (empty.syms): New target.
3022         * testsuite/Makefile.in: Regenerate.
3023         * testsuite/plugin_test.c (claim_file_hook): Add new debug
3024         message. Don't call add_symbols if no globals.
3025         (all_symbols_read_hook): Don't provide replacement for empty
3026         claimed file.
3027
3028 2008-12-12  Ian Lance Taylor  <iant@google.com>
3029
3030         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
3031         r_type == 0 for a local symbol with r_sym == 0.
3032         (scan_relocatable_relocs): Pass r_sym to
3033         local_non_section_strategy.
3034         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
3035         r_sym parameter.
3036
3037         * configure.ac: Update test for TLS descriptors: they are
3038         supported as of glibc 2.9.
3039         * configure: Rebuild.
3040
3041 2008-12-11  Ian Lance Taylor  <iant@google.com>
3042
3043         PR 7091
3044         * target-reloc.h (Default_scan_relocatable_relocs): For each
3045         function, map r_type == 0 to RELOC_DISCARD.
3046
3047 2008-12-10  Cary Coutant  <ccoutant@google.com>
3048
3049         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
3050         object to override a kept COMDAT group from a plugin object.
3051
3052 2008-12-09  Ian Lance Taylor  <iant@google.com>
3053
3054         PR 7088
3055         * yyscript.y (file_cmd): Handle INPUT.
3056
3057         * testsuite/initpri1.c: Change all declarations to be full
3058         prototypes by adding void, to avoid compiler warnings.
3059
3060 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
3061
3062         * options.cc (General_options::parse_plugin_opt): New.
3063         (General_options::add_plugin): The argument now is just the filename.
3064         (General_options::add_plugin_option): New.
3065         * options.h (plugin_opt): New.
3066         (add_plugin): Change argument name.
3067         (add_plugin_option): New.
3068         * plugin.cc (Plugin::load): Don't parse the plugin option.
3069         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
3070         (Plugin::add_option): New.
3071         (Plugin::args_): Change type.
3072         (Plugin::filename_): New.
3073         (Plugin_manager::add_plugin_option): New.
3074         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
3075         * testsuite/Makefile.in: Regenerate.
3076
3077 2008-12-05  Cary Coutant  <ccoutant@google.com>
3078
3079         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
3080         Handle --strip-lto-sections option.
3081         * options.h (strip_lto_sections): New option.
3082
3083 2008-12-01  Cary Coutant  <ccoutant@google.com>
3084
3085         * plugin.cc (ld_plugin_message): Change format parameter to const.
3086         Fix mismatch between new[] and delete.
3087
3088 2008-11-14  Cary Coutant  <ccoutant@google.com>
3089
3090         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
3091         instead of -1U.
3092
3093 2008-11-05  Craig Silverstein  <csilvers@google.com>
3094
3095         * options.cc (General_options::parse_dynamic_list): New function.
3096         * options.h (General_options): New flags dynamic_list,
3097         dynamic_list_data, dynamic_list_cpp_new, and
3098         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
3099         (General_options::in_dynamic_list): New function.
3100         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
3101         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
3102         (Lex::can_continue_name): Likewise.
3103         (yylex): Likewise.
3104         (read_script_file): New parameter script_options.
3105         (read_dynamic_list): New function.
3106         (Script_options::define_dynamic_list): New function.
3107         (dynamic_list_keyword_parsecodes): New variable.
3108         (dynamic_list_keywords): New variable.
3109         * script.h (Script_options::define_dynamic_list): New function
3110         prototype.
3111         (read_dynamic_list): New function prototype.
3112         * symtab.cc (strprefix): New macro.
3113         (Symbol::should_add_dynsym_entry): Support dynamic_list,
3114         dynamic_list_data, dynamic_list_cpp_new, and
3115         dynamic_list_cpp_typeinfo.
3116         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
3117         (dynamic_list_expr): New rule.
3118         (dynamic_list_nodes): Likewise.
3119         (dynamic_list_node): Likewise.
3120         * testsuite/Makefile.am (dynamic_list): New test.
3121         * testsuite/Makefile.in: Regenerated.
3122         * testsuite/dynamic_list.t: New file.
3123         * testsuite/dynamic_list.sh: New file.
3124
3125 2008-11-05  Craig Silverstein  <csilvers@google.com>
3126
3127         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
3128         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
3129         (t11_last): Likewise.
3130         * testsuite/ver_test_6.c (main): Likewise.
3131
3132 2008-10-07  Cary Coutant  <ccoutant@google.com>
3133
3134         * options.c (General_options::finalize): Add check for -static and
3135         -shared.
3136         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
3137         is not empty.
3138
3139 2008-10-02  Cary Coutant  <ccoutant@google.com>
3140
3141         * plugin.cc (make_sized_plugin_object): Fix conditional
3142         compilation to work when not all targets are enabled.
3143
3144 2008-09-29  Cary Coutant  <ccoutant@google.com>
3145
3146         * archive.cc (Archive::get_file_and_offset): Use filename instead
3147         of name to get library path.
3148         (Archive::include_member): Unlock external member of a thin archive.
3149
3150         * testsuite/Makefile.am (TEST_AR): New variable.
3151         (thin_archive_test_1): New test.
3152         (thin_archive_test_2): New test.
3153         * testsuite/Makefile.in: Regenerate.
3154         * testsuite/thin_archive_main.cc: New file.
3155         * testsuite/thin_archive_test_1.cc: New file.
3156         * testsuite/thin_archive_test_2.cc: New file.
3157         * testsuite/thin_archive_test_3.cc: New file.
3158         * testsuite/thin_archive_test_4.cc: New file.
3159
3160 2008-09-29  Cary Coutant  <ccoutant@google.com>
3161
3162         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
3163         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
3164         instead of -1U.
3165         (Sized_relobj::do_finalize_local_symbols): Likewise.
3166         (Sized_relobj::map_to_kept_section): Likewise.
3167         * object.h (Sized_relobj::invalid_address): New constant.
3168         (Sized_relobj::do_output_section_offset): Check for invalid_address
3169         and return -1ULL.
3170         * output.cc (Output_reloc::local_section_offset): Use constant
3171         invalid_address instead of -1U.
3172         (Output_reloc::get_address): Likewise.
3173         (Output_section::output_address): Change -1U to -1ULL.
3174         * output.h (Output_reloc::invalid_address): New constant.
3175         * reloc.cc (Sized_relobj::write_sections): Use constant
3176         invalid_address instead of -1U.
3177         (Sized_relobj::relocate_sections): Likewise.
3178         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
3179         values for merge sections.
3180         * target-reloc.h (relocate_for_relocatable): Use constant
3181         invalid_address instead of -1U.
3182
3183 2008-09-19  Cary Coutant  <ccoutant@google.com>
3184
3185         Add plugin functionality for link-time optimization (LTO).
3186         * configure.ac (plugins): Add --enable-plugins option.
3187         * configure: Regenerate.
3188         * config.in: Regenerate.
3189         * Makefile.am (LIBDL): New variable.
3190         (CCFILES): Add plugin.cc.
3191         (HFILES): Add plugin.h.
3192         (ldadd_var): Add LIBDL.
3193         * Makefile.in: Regenerate.
3194
3195         * archive.cc: Include "plugin.h".
3196         (Archive::setup): Don't preread archive symbols when using a plugin.
3197         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
3198         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
3199         files.
3200         (Archive::include_member): Add symbols from plugin objects.
3201         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
3202         * descriptors.cc (Descriptors::open): Check for file descriptors
3203         abandoned by plugins.
3204         (Descriptors::claim_for_plugin): New function.
3205         * descriptors.h (Descriptors::claim_for_plugin): New function.
3206         (Open_descriptor::is_claimed): New field.
3207         (claim_descriptor_for_plugin): New function.
3208         * fileread.cc (File_read::claim_for_plugin): New function.
3209         * fileread.h (File_read::claim_for_plugin): New function.
3210         (File_read::descriptor): New function.
3211         * gold.cc: Include "plugin.h".
3212         (queue_initial_tasks): Add task to call plugin hooks for generating
3213         new object files.
3214         * main.cc: Include "plugin.h".
3215         (main): Load plugin libraries.
3216         * object.h (Pluginobj): Declare.
3217         (Object::pluginobj): New function.
3218         (Object::do_pluginobj): New function.
3219         (Object::set_target): New function.
3220         * options.cc: Include "plugin.h".
3221         (General_options::parse_plugin): New function.
3222         (General_options::General_options): Initialize plugins_ field.
3223         (General_options::add_plugin): New function.
3224         * options.h (Plugin_manager): Declare.
3225         (General_options): Add --plugin option.
3226         (General_options::has_plugins): New function.
3227         (General_options::plugins): New function.
3228         (General_options::add_plugin): New function.
3229         (General_options::plugins_): New field.
3230         * plugin.cc: New file.
3231         * plugin.h: New file.
3232         * readsyms.cc: Include "plugin.h".
3233         (Read_symbols::do_read_symbols): Check for archive before checking
3234         for ELF file.  Call plugin hooks to claim files.
3235         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
3236         from a real object file; force override when processing replacement
3237         files.
3238         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
3239         (Symbol::init_base_object): Likewise.
3240         (Symbol::init_base_output_data): Likewise.
3241         (Symbol::init_base_output_segment): Likewise.
3242         (Symbol::init_base_constant): Likewise.
3243         (Symbol::init_base_undefined): Likewise.
3244         (Symbol::output_section): Assert that object is not a plugin.
3245         (Symbol_table::add_from_pluginobj): New function.
3246         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
3247         undefined.
3248         (Symbol_table::sized_write_globals): Likewise.
3249         (Symbol_table::add_from_pluginobj): Instantiate template.
3250         * symtab.h (Sized_pluginobj): Declare.
3251         (Symbol::in_real_elf): New function.
3252         (Symbol::set_in_real_elf): New function.
3253         (Symbol::in_real_elf_): New field.
3254         (Symbol_table::add_from_pluginobj): New function.
3255
3256         * testsuite/Makefile.am (AM_CFLAGS): New variable.
3257         (LIBDL): New variable.
3258         (LDADD): Add LIBDL.
3259         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
3260         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
3261         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
3262         (MOSTLYCLEANFILES): Likewise.
3263         * testsuite/Makefile.in: Regenerate.
3264         * testsuite/plugin_test.c: New file.
3265         * testsuite/plugin_test_1.sh: New file.
3266         * testsuite/plugin_test_2.sh: New file.
3267
3268 2008-09-16  Ian Lance Taylor  <iant@google.com>
3269
3270         * target-reloc.h (relocate_section): Check whether a symbol is
3271         defined by the ABI before reporting an undefined symbol error.
3272         * target.h (Target::is_defined_by_abi): Make parameter const.
3273         (Target::do_is_defined_by_abi): Likewise.
3274         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
3275         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
3276         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
3277         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
3278         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
3279         * testsuite/Makefile.in: Rebuild.
3280
3281         * fileread.cc (make_view): Add casts to avoid warning.
3282
3283 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
3284
3285         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
3286         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
3287
3288 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
3289
3290         * options.h (General_options::output_is_executable): New.
3291         (General_options::output_is_pie): New.
3292         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
3293         for shared libraries.
3294         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
3295
3296 2008-09-11  Chris Demetriou  <cgd@google.com>
3297
3298         * options.h (origin): New -z option.
3299         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
3300         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
3301         in DT_FLAGS_1.
3302
3303 2008-09-05  Cary Coutant  <ccoutant@google.com>
3304
3305         * fileread.cc (File_read::make_view): Add check for attempt to map
3306         beyond end of file.
3307
3308 2008-09-05  Cary Coutant  <ccoutant@google.com>
3309
3310         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
3311         explicit instantiations.
3312
3313 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
3314
3315         PR gold/6858
3316         * options.cc (General_options::finalize): Allow undefined symbols
3317         in shlibs if linking -shared.
3318
3319         PR gold/6859
3320         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
3321         symbols as not needing a dynsym entry.
3322
3323 2008-08-20  Craig Silverstein  <csilvers@google.com>
3324
3325         * fileread.cc (File_read::open): Do not lock the file unless it
3326         was successfully opened.
3327
3328 2008-08-14  Cary Coutant  <ccoutant@google.com>
3329
3330         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
3331         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
3332         * testsuite/tls_test.cc (struct int128): 128-bit struct
3333         for testing TLS relocs with non-zero addend.
3334         (v12): New TLS variable.
3335         (t12): New test.
3336         (t_last): Add check for v12.
3337         * testsuite/tls_test.h (t12): New function.
3338         * testsuite/tls_test_main.cc (thread_routine): Call new test.
3339
3340 2008-08-13  Ian Lance Taylor  <iant@google.com>
3341
3342         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
3343         set tls_segment_ or relro_segment_.
3344         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
3345         when appropriate.
3346         * output.h (Output_section::clear_is_relro): New function.
3347         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
3348         sections specially even when output_data_ is empty.
3349         (Output_segment::maximum_alignment): When first section is relro,
3350         only force alignment for PT_LOAD segments.
3351         * script.cc (script_data_segment_align): New function.
3352         (script_data_segment_relro_end): New function.
3353         * script-c.h (script_data_segment_align): Declare.
3354         (script_data_segment_relro_end): Declare.
3355         * script-sections.h (class Script_sections): Declare
3356         data_segment_align and data_segment_relro_end.  Add fields
3357         segment_align_index_ and saw_relro_end_.
3358         * script-sections.cc (class Sections_element): Add set_is_relro
3359         virtual function.  Add new bool* parameter to place_orphan_here.
3360         Add get_output_section virtual function.
3361         (class Output_section_definition): Add set_is_relro.  Add new
3362         bool* parameter to place_orphan_here.  Add get_output_section.
3363         Add is_relro_ field.
3364         (Output_section_definition::Output_section_definition): Initialize
3365         evaluated_address_, evaluated_load_address, evaluated_addralign_,
3366         and is_relro_ fields.
3367         (Output_section_definition::place_orphan_here): Add is_relro
3368         parameter.
3369         (Output_section_definition::set_section_addresses): Set relro for
3370         output section.
3371         (Output_section_definition::alternate_constraint): Likewise.
3372         (class Orphan_output_section): Add new bool* parameter to
3373         place_orphan_here.  Add get_output_section.
3374         (Orphan_output_section::place_orphan_here): Add is_relro
3375         parameter.
3376         (Script_sections::Script_sections): Initialize
3377         data_segment_align_index_ and saw_relro_end_.
3378         (Script_sections::data_segment_align): New function.
3379         (Script_sections::data_segment_relro_end): New function.
3380         (Script_sections::place_orphan): Set or clear is_relro.
3381         (Script_sections::set_section_addresses): Force alignment of first
3382         TLS section.
3383         * yyscript.y (exp): Call script_data_segment_align and
3384         script_data_segment_relro_end.
3385         * testsuite/relro_script_test.t: New file.
3386         * testsuite/relro_test.cc (using_script): Declare.
3387         (t1, t2): Test using_script.
3388         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
3389         (relro_script_test_SOURCES): Define.
3390         (relro_script_test_DEPENDENCIES): Define.
3391         (relro_script_test_LDFLAGS): Define.
3392         (relro_script_test_LDADD): Define.
3393         (relro_script_test.so): New target.
3394         * testsuite/Makefile.in: Rebuild.
3395
3396 2008-08-06  Cary Coutant <ccoutant@google.com>
3397
3398         * archive.cc (Archive::total_archives, Archive::total_members)
3399         (Archive::total_members_loaded): New variables.
3400         (Archive::setup): Add parameter.  Add option to preread
3401         archive symbols.
3402         (Archive::read_armap): Add counter.
3403         (Archive::get_file_and_offset): New function.
3404         (Archive::get_elf_object_for_member): New function.
3405         (Archive::read_all_symbols): New function.
3406         (Archive::read_symbols): New function.
3407         (Archive::add_symbols): Add counters.
3408         (Archive::include_all_members): Use armap to find members if it's
3409         already built.
3410         (Archive::include_member): Skip reading symbols if already read.
3411         Factored code into Archive::get_file_and_offset and
3412         Archive::get_elf_object_for_member.  Changed call to
3413         Mapfile::report_include_archive_member.
3414         (Archive::print_stats): New function.
3415         * archive.h: Declare Object and Read_symbols_data classes.
3416         (Archive::Archive): Add initializers for new members.
3417         (Archive::setup): Add parameter.
3418         (Archive::print_stats): New function.
3419         (Archive::total_archives, Archive::total_members)
3420         (Archive::total_members_loaded): New variables.
3421         (Archive::get_file_and_offset): New function.
3422         (Archive::get_elf_object_for_member): New function.
3423         (Archive::read_all_symbols): New function.
3424         (Archive::read_symbols): New function.
3425         (Archive::Archive_member): New class.
3426         (Archive::members_): New member.
3427         (Archive::num_members_): New member.
3428         * main.cc: Include archive.h.
3429         (main): Call Archive::print_stats.
3430         * mapfile.cc (Mapfile::report_include_archive_member): Delete
3431         archive parameter; member_name is now the fully-decorated name.
3432         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
3433         * options.h: (General_options): Add --preread-archive-symbols option.
3434         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
3435         Archive::setup.
3436
3437 2008-08-04  Ian Lance Taylor  <iant@google.com>
3438
3439         * symtab.h (Symbol::use_plt_offset): New function.
3440         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
3441         * powerpc.cc (Relocate::relocate): Likewise.
3442         * sparc.cc (Relocate::relocate): Likewise.
3443         * x86_64.cc (Relocate::relocate): Likewise.
3444         * testsuite/weak_plt.sh: New test.
3445         * testsuite/weak_plt_main.cc: New test.
3446         * testsuite/weak_plt_shared.cc: New test.
3447         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
3448         (check_PROGRAMS): Add weak_plt.
3449         (check_DATA): Add weak_plt_shared.so.
3450         (weak_plt_main_pic.o, weak_plt): New targets.
3451         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
3452         * testsuite/Makefile.in: Rebuild.
3453
3454         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
3455         gcctestdir/ld.
3456         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
3457         * testsuite/Makefile.in: Rebuild.
3458
3459 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
3460
3461         * Makefile.am (POTFILES.in): Set LC_ALL=C.
3462         * Makefile.in: Regenerate.
3463         * po/POTFILES.in: Regenerate.
3464
3465 2008-07-29  Ian Lance Taylor  <iant@google.com>
3466
3467         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
3468         symbols before other symbols.
3469         * testsuite/script_test_2.cc (test_addr): Declare.
3470         (test_addr_alias): Declare.
3471         (main): Check that test_addr and test_addr_alias have the right
3472         values.
3473         * testsuite/script_test_2.t: Define test_addr_alias and
3474         test_addr.
3475
3476 2008-07-24  Ian Lance Taylor  <iant@google.com>
3477
3478         PR 5990
3479         * descriptors.cc: New file.
3480         * descriptors.h: New file.
3481         * gold-threads.h (class Hold_optional_lock): New class.
3482         * fileread.cc: Include "descriptors.h".
3483         (File_read::~File_read): Release descriptor rather than closing
3484         it.
3485         (File_read::open) [file]: Call open_descriptor rather than open.
3486         Set is_descriptor_opened_.
3487         (File_read::open) [memory]: Assert that descriptor is not open.
3488         (File_read::reopen_descriptor): New function.
3489         (File_read::release): Release descriptor.
3490         (File_read::do_read): Make non-const.  Reopen descriptor.
3491         (File_read::read): Make non-const.
3492         (File_read::make_view): Reopen descriptor.
3493         (File_read::do_readv): Likewise.
3494         * fileread.h (class File_read): Add is_descriptor_opened_ field.
3495         Update declarations.
3496         * layout.cc: Include "descriptors.h".
3497         (Layout::create_build_id): Use open_descriptor rather than open.
3498         * output.cc: Include "descriptors.h".
3499         (Output_file::open): Use open_descriptor rather than open.
3500         * archive.cc (Archive::const_iterator): Change Archive to be
3501         non-const.
3502         (Archive::begin, Archive::end): Make non-const.
3503         (Archive::count_members): Likewise.
3504         * archive.h (class Archive): Update declarations.
3505         * object.h (Object::read): Make non-const.
3506         * Makefile.am (CCFILES): Add descriptors.cc.
3507         (HFILES): Add descriptors.h.
3508         * Makefile.in: Rebuild.
3509
3510         PR 6716
3511         * gold.h: Always include <clocale>.  Add Solaris workarounds
3512         following code in binutils/sysdep.h.
3513
3514         PR 6048
3515         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
3516         this->eh_frame_hdr_ is NULL before using it.
3517
3518         * dynobj.cc (Versions::Versions): Update comment.
3519
3520         * dynobj.cc (Versions::Versions): If there is an soname, use it as
3521         the base version name.
3522
3523         * stringpool.cc (Stringpool_template::add_with_length): Set key to
3524         array size plus one.
3525         (Stringpool_template::set_string_offsets): Subtract one from key
3526         before using it as an array index.
3527         (Stringpool_template::get_offset_with_length): Likewise.
3528         (Stringpool_template::write_to_buffer): Likewise.
3529         * stringpool.h (Stringpool_template::get_offset_from_key):
3530         Likewise.
3531
3532 2008-07-23  Ian Lance Taylor  <iant@google.com>
3533
3534         PR 6658
3535         * object.h (Merged_symbol_value::value): Do our best to handle a
3536         negative addend.
3537
3538         PR 6647
3539         * script.cc (Version_script_info::get_versions): Don't add empty
3540         version tag to return value.
3541         (Version_script_info::get_symbol_version_helper): Change return
3542         type to bool.  Add pversion parameter.  Change all callers.
3543         (script_register_vers_node): Don't require a non-NULL tag.
3544         * script.h (class Version_script_info): Update declarations.
3545         (Version_script_info::get_symbol_version): Change return type to
3546         bool.  Add version parameter.  Change all callers.
3547         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
3548         handling.  Handle an empty version from a version script.
3549         (Symbol_table::define_special_symbol): Likewise.
3550         * testsuite/ver_test_10.script: New file.
3551         * testsuite/ver_test_10.sh: New file.
3552         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
3553         (check_DATA): Add ver_test_10.syms.
3554         (ver_test_10.syms, ver_test_10.so): New target.
3555         * testsuite/Makefile.in: Rebuild.
3556
3557 2008-07-23  Simon Baldwin  <simonb@google.com>
3558
3559         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
3560         to zero for undefined symbols from dynamic libraries.
3561
3562 2008-07-23  Ian Lance Taylor  <iant@google.com>
3563
3564         * symtab.cc (Symbol_table::resolve): Remove version parameter.
3565         Change all callers.
3566         * symtab.h (class Symbol_table): Update declaration.
3567         * testsuite/ver_test_9.cc: New file.
3568         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
3569         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
3570         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
3571         (ver_test_9.so, ver_test_9.o): New targets.
3572         * testsuite/Makefile.in: Rebuild.
3573
3574 2008-07-22  Ian Lance Taylor  <iant@google.com>
3575
3576         * options.h (class General_options): Define --check-sections.
3577         * layout.cc (Layout::set_segment_offsets): Handle
3578         --check-sections.
3579
3580         * options.h (class General_options): Define -n/--nmagic and
3581         -N/--omagic.
3582         * options.cc (General_options::finalize): For -n/--nmagic or
3583         -N/--omagic, set -static.
3584         * layout.cc (Layout::attach_allocated_section_to_segment): If
3585         -N/--omagic, don't put read-only and read-write sections in
3586         different segments.
3587         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
3588         finding a read-only segment.
3589         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
3590         don't set the minimum segment alignment to the common page size,
3591         and don't set the file offset to the address modulo the page size.
3592         * script-sections.cc (Script_sections::create_segments): If
3593         -n/--omagic, don't put read-only and read-write sections in
3594         different segments.
3595
3596         * cref.cc: New file.
3597         * cref.h: New file.
3598         * options.h (class General_options): Add --print-symbol-counts.
3599         * main.cc (main): Issue defined symbol report if requested.
3600         * archive.cc (Archive::interpret_header): Make into a const member
3601         function.
3602         (Archive::add_symbols): Call Input_objects::archive_start and
3603         archive_stop.
3604         (Archive::const_iterator): Define new class.
3605         (Archive::begin, Archive::end): New functions.
3606         (Archive::include_all_members): Rewrite to use iterator.
3607         (Archive::count_members): New function.
3608         * archive.h (class Archive): Update declarations.
3609         (Archive::filename): New function.
3610         * object.cc: Include "cref.h".
3611         (Sized_relobj::Sized_relobj): Initialize defined_count_.
3612         (Sized_relobj::do_get_global_symbol_counts): New function.
3613         (Input_objects::add_object): Add object to cross-referencer.
3614         (Input_objects::archive_start): New function.
3615         (Input_objects::archive_stop): New function.
3616         (Input_objects::print_symbol_counts): New function.
3617         * object.h: Declare Cref and Archive.
3618         (Object::get_global_symbol_counts): New function.
3619         (Object::do_get_global_symbol_counts): New pure virtual function.
3620         (class Sized_relobj): Add defined_count_ field.  Update
3621         declarations.
3622         (class Input_objects): Add cref_ field.  Update constructor.
3623         Update declarations.
3624         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
3625         defined_count_.
3626         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
3627         symbol counts.
3628         (Sized_dynobj::do_get_global_symbol_counts): New function.
3629         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
3630         defined_count_.  Update declarations.  Define Symbols typedef.
3631         * symtab.cc (Symbol_table::add_from_relobj): Add defined
3632         parameter.  Change all callers.
3633         (Symbol_table::add_from_dynobj): Add sympointers and defined
3634         parameters.  Change all callers.
3635         * symtab.h (class Symbol_table): Update declarations.
3636         * Makefile.am (CCFILES): Add cref.cc.
3637         (HFILES): Add cref.h.
3638         * Makefile.in: Rebuild.
3639
3640 2008-07-22  Simon Baldwin  <simonb@google.com>
3641
3642         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
3643         to zero when writing undefined symbols.
3644
3645 2008-07-22  Ian Lance Taylor  <iant@google.com>
3646
3647         * output.cc (Output_section::add_input_section): Don't try to
3648         merge empty merge sections.
3649
3650 2008-07-21  Craig Silverstein  <csilvers@google.com>
3651
3652         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
3653         Include symbol version in error message.
3654
3655 2008-07-20  Chris Demetriou  <cgd@google.com>
3656
3657         * configure.ac (gold_cv_c_random_seed): New configured variable.
3658         (RANDOM_SEED_CFLAGS): New substituted variable.
3659         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
3660         * configure: Rebuild.
3661         * Makefile.in: Likewise.
3662         * testsuite/Makefile.in: Likewise.
3663
3664 2008-07-18  Ian Lance Taylor  <iant@google.com>
3665
3666         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
3667         where we see NAME/NULL and NAME/VERSION  as separate symbols.
3668         * testsuite/ver_test_main.cc (main): Call t4.
3669         (t4, t4_2a): Define.
3670         * testsuite/ver_test_2.cc (t4_2): Define.
3671         * testsuite/ver_test_2.script: Put t4_2a in VER2.
3672         * testsuite/ver_test_4.cc (t4_2a): Define.
3673         * testsuite/ver_test_4.script: Put t4_2a in VER2.
3674         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
3675
3676 2008-07-17  Ian Lance Taylor  <iant@google.com>
3677
3678         * dynobj.cc (Versions::add_def): If we give an error about a
3679         missing version, go ahead and create the version anyhow.
3680
3681 2008-07-10  Ian Lance Taylor  <iant@google.com>
3682
3683         Handle output sections with more than 0x7fffffff bytes.
3684         * object.h (class Relobj): Change map_to_output_ to
3685         output_sections_, and just keep a section pointer.  Change all
3686         uses.  Move comdat group support to Sized_relobj.
3687         (Relobj::is_section_specially_mapped): Remove.
3688         (Relobj::output_section): Remove poff parameter.  Change all
3689         callers.
3690         (Relobj::output_section_offset): New function.
3691         (Relobj::set_section_offset): Rewrite.
3692         (Relobj::map_to_output): Remove.
3693         (Relobj::output_sections): New function.
3694         (Relobj::do_output_section_offset): New pure virtual function.
3695         (Relobj::do_set_section_offset): Likewise.
3696         (class Sized_relobj): Add section_offsets_ field.  Add comdat
3697         group support from Relobj.  Update declarations.
3698         (Sized_relobj::get_output_section_offset): New function.
3699         (Sized_relobj::do_output_section_offset): New function.
3700         (Sized_relobj::do_set_section_offset): New function.
3701         * object.cc (Relobj::output_section_address): Remove.
3702         (Sized_relobj::Sized_relobj): Initialize new fields.
3703         (Sized_relobj::include_section_group): Cast find_kept_object to
3704         Sized_relobj.
3705         (Sized_relobj::include_linkonce_section): Likewise.
3706         (Sized_relobj::do_layout): Use separate arrays for output section
3707         and output offset.
3708         (Sized_relobj::do_count_local_symbols): Change map_to_output to
3709         output_sections.
3710         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
3711         output_sections and section_offsets.
3712         (Sized_relobj::write_local_symbols): Likewise.
3713         (map_to_kept_section): Compute output address directly.
3714         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
3715         output_sections and section_offsets.
3716         (Sized_relobj::write_sections): Likewise.
3717         (Sized_relobj::relocate_sections): Likewise.
3718         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
3719         * output.h (class Output_reloc): Update declarations.  Change
3720         u2_.relobj to Sized_relobj*.
3721         (class Output_data_reloc): Change add functions to use
3722         Sized_relobj*.
3723         * output.cc (Output_reloc::Output_reloc): Change relobj to
3724         Sized_relobj*.
3725         (Output_reloc::local_section_offset): Change return type to
3726         Elf_Addr.  Use get_output_section_offset.
3727         (Output_reloc::get_address): Likewise.
3728         (Output_section::is_input_address_mapped): Don't call
3729         is_section_specially_mapped.
3730         (Output_section::output_offset): Likewise.
3731         (Output_section::output_address): Likewise.
3732         (Output_section::starting_output_address): Likewise.
3733         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
3734         parameter to Sized_relobj*.
3735         (Copy_relocs::need_copy_reloc): Likewise.
3736         (Copy_relocs::save): Likewise.
3737         * copy-relocs.h (class Copy_relocs): Update declarations.
3738         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
3739         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
3740         * target-reloc.h (relocate_for_relocatable): Change
3741         offset_in_output_section type to Elf_Addr.  Change code that uses
3742         it as well.
3743         * layout.cc (Layout::layout): Always set *off.
3744         * mapfile.cc (Mapfile::print_input_section): Use
3745         output_section_offset.
3746         * i386.cc (Target_i386::copy_reloc): Change object parameter to
3747         Sized_relobj*.
3748         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
3749         * sparc.cc (Target_sparc::copy_reloc): Likewise.
3750         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
3751
3752 2008-07-03  Ian Lance Taylor  <iant@google.com>
3753
3754         * layout.cc (Layout::include_section): Do not discard unrecognized
3755         SHT_STRTAB sections.
3756
3757 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
3758
3759         * script.cc (Lex::can_continue_name): Make '?' allowable in
3760         version-script names.
3761         * testsuite/version_script.map: Change glob pattern to use '?'
3762
3763 2008-06-30  Manish Singh  <yosh@gimp.org>
3764
3765         PR 6585
3766         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
3767         Correct typo.
3768
3769 2008-06-30  Ian Lance Taylor  <iant@google.com>
3770
3771         PR 6660
3772         PR 6682
3773         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
3774         versions]: Don't try to read the value in the contents, since we
3775         don't use it.  Use the template endianness when writing.
3776
3777 2008-06-25  Cary Coutant  <ccoutant@google.com>
3778
3779         * fileread.cc (File_read::make_view): Assert on zero-length view.
3780         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
3781         symbol table when there are no symbols to read.
3782
3783 2008-06-23  Craig Silverstein  <csilvers@google.com>
3784
3785         * version.cc (version_string): Bump to 1.7
3786
3787 2008-06-18  Craig Silverstein  <csilvers@google.com>
3788
3789         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
3790         constant 0xFFFF to type Valtype.
3791         (Powerpc_relocate_functions::rel16_ha): Likewise.
3792
3793 2008-06-17  Ian Lance Taylor  <iant@google.com>
3794
3795         * output.h (Output_section::Input_section): Initialize p2align_ to
3796         zero for Output_section_data constructors.
3797         (Output_section::Input_section::addralign): If not an input
3798         section, return the alignment of the Output_section_data.
3799         * testsuite/copy_test.cc: New file.
3800         * testsuite/copy_test_1.cc: New file.
3801         * testsuite/copy_test_2.cc: New file.
3802         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
3803         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
3804         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
3805         (copy_test_1_pic.o, copy_test_1.so): New targets.
3806         (copy_test_2_pic.o, copy_test_2.so): New targets.
3807         * testsuite/Makefile.in: Rebuild.
3808
3809         * script-sections.cc (Script_sections::place_orphan): Initialize
3810         local variable exact.
3811
3812 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
3813
3814         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
3815
3816 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
3817             David S. Miller  <davem@davemloft.net>
3818
3819         * powerpc.cc: New file.
3820         * Makefile.am (TARGETSOURCES): Add powerpc.cc
3821         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
3822         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
3823         * Makefile.in: Rebuild.
3824
3825 2008-06-09  Ian Lance Taylor  <iant@google.com>
3826
3827         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
3828         <exception>.
3829         (throwing, orig_terminate): New static variables.
3830         (terminate_handler): New static function.
3831         (t2): Set terminate handler.
3832
3833 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
3834
3835         PR 6584
3836         * binary.cc (Binary_to_elf::sized_convert): Fix .data
3837         alignment.
3838
3839 2008-05-30  Cary Coutant  <ccoutant@google.com>
3840
3841         * archive.cc (Archive::include_all_members) Correct to step
3842         over symbol table and extended name table in thin archives.
3843
3844 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
3845
3846         PR 6407
3847         * target-reloc.h (relocate_for_relocatable): Fix new_offset
3848         calculation.
3849
3850 2008-05-28  Caleb Howe  <cshowe@google.com>
3851
3852         * reduced_debug_output.cc: New file.
3853         * reduced_debug_output.h: New file.
3854         * options.h (class General_options): Add --strip-debug-non-line.
3855         * options.cc (General_options::finalize): Add strip_debug_non_line
3856         to the strip heirarchy.
3857         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
3858         fields.
3859         * layout.cc: Include "reduced_debug_output.h".
3860         (Layout::Layout): Initialize new fields.
3861         (line_only_debug_sections): New static array.
3862         (is_lines_only_debug_sections): New static inline function.
3863         (Layout::include_section): Handle --strip-debug-non-line.
3864         (Layout::make_output_section): If --strip-debug-non-line, build
3865         new output sections for .debug_abbrev and .debug_info.
3866         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
3867         gold.  Warn about possible overflow.
3868         (read_signed_LEB_128): Likewise.
3869         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
3870         (read_signed_LEB_128): Declare.
3871         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
3872         (HFILES): Add reduced_debug_output.h.
3873         * Makefile.in: Rebuild.
3874
3875 2008-05-21  Ian Lance Taylor  <iant@google.com>
3876
3877         * mapfile.cc: New file.
3878         * mapfile.h: New file.
3879         * options.h (class General_options): Add -M/--print-map and -Map.
3880         * options.cc (General_options::finalize): Make -M equivalent to
3881         -Map -.
3882         * main.cc: Include <cstdio> and "mapfile.h".
3883         (main): Open mapfile if requested.
3884         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
3885         constructor.  Change caller.
3886         (queue_initial_tasks): Add mapfile parameter.  Change caller.
3887         (queue_middle_tasks): Likewise.
3888         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
3889         declarations.
3890         * archive.cc: Include "mapfile.h".
3891         (Archive::add_symbols): Add mapfile parameter.  Change all
3892         callers.  Pass mapfile, symbol, and reason to include_member.
3893         (Archive::include_all_members): Add mapfile parameter.  Change all
3894         callers.
3895         (Archive::include_member): Add mapfile, sym, and why parameters.
3896         Change all callers.  Report inclusion to map file.
3897         * archive.h: Include "fileread.h".
3898         (class Archive): Update declarations.
3899         (Archive::file): New const method.
3900         (class Add_archive_symbols): Add mapfile_ field.  Update
3901         constructor.  Change all callers.
3902         * readsyms.h (class Read_symbols): Likewise.
3903         (class Finish_group): Likewise.
3904         (class Read_script): Likewise.
3905         * common.cc: Include "mapfile.h".
3906         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
3907         all callers.
3908         (Symbol_table::do_allocate_commons): Likewise.
3909         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
3910         symbol allocation to mapfile.
3911         * common.h (class Allocate_commons_task): Add mapfile_ field.
3912         Update constructor.  Change all callers.
3913         * symtab.h (class Symbol_table): Update declarations.
3914         * layout.cc: Include "mapfile.h".
3915         (Layout_task_runner::run): Print information to mapfile.
3916         (Layout::create_gold_note): Change Output_data_fixed_space to
3917         Output_data_zero_fill.
3918         (Layout::create_build_id): Likewise.
3919         (Layout::print_to_mapfile): New function.
3920         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
3921         constructor.  Change caller.
3922         (class Layout): Declare print_to_mapfile.
3923         * output.cc (Output_section::Input_section::print_to_mapfile): New
3924         function.
3925         (Output_section::add_input_section): If producing a map, always
3926         add to input_sections_ list.
3927         (Output_section::do_print_to_mapfile): New function.
3928         (Output_segment::print_sections_to_mapfile): New function.
3929         (Output_segment::print_section_list_to_mapfile): New function.
3930         * output.h: Include "mapfile.h".
3931         (Output_data::print_to_mapfile): New function.
3932         (Output_data::do_print_to_mapfile): New virtual function.
3933         (Output_segment_headers::do_print_to_mapfile): New function.
3934         (Output_file_header::do_print_to_mapfile): New function.
3935         (Output_data_const::do_print_to_mapfile): New function.
3936         (class Output_data_const_buffer): Add map_name_ field.  Update
3937         constructor.  Change all callers.  Add do_print_to_mapfile
3938         function.
3939         (class Output_data_fixed_space): Likewise.
3940         (class Output_data_space): Likewise.
3941         (class Output_data_zero_fill): New class.
3942         (Output_data_strtab::do_print_to_mapfile): New function.
3943         (Output_data_reloc_base::do_print_to_mapfile): New function.
3944         (Output_relocatable_relocs::do_print_to_mapfile): New function.
3945         (Output_data_group::do_print_to_mapfile): New function.
3946         (Output_data_got::do_print_to_mapfile): New function.
3947         (Output_data_dynamic::do_print_to_mapfile): New function.
3948         (Output_symtab_xindex::do_print_to_mapfile): New function.
3949         (class Output_section): Declare do_print_to_mapflie.  Declare
3950         print_to_mapfile in Input_section.
3951         (class Output_segment): Declare new functions.
3952         * object.h (Sized_relobj::symbol_count): New function.
3953         * script-sections.cc
3954         (Output_section_element_dot_assignment::set_section_addresses):
3955         Change Output_data_fixed_space to Output_data_zero_fill.
3956         (Output_data_expression::do_print_to_mapfile): New function.
3957         * script.cc (read_input_script): Add mapfile parameter.  Change
3958         all callers.
3959         * script.h (read_input_script): Update declaration.
3960         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
3961         (Eh_frame::do_print_to_mapfile): New function.
3962         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
3963         (Output_merge_string::do_print_to_mapfile): New function.
3964         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
3965         function.
3966         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
3967         function.
3968         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
3969         function.
3970         * Makefile.am (CCFILES): Add mapfile.cc.
3971         (HFILES): Add mapfile.h.
3972         * Makefile.in: Rebuild.
3973
3974 2008-05-19  Ian Lance Taylor  <iant@google.com>
3975
3976         * options.h (class General_options): Add -z relro.
3977         * layout.cc (Layout::Layout): Initialize relro_segment_.
3978         (Layout::add_output_section_data): Return the output section.
3979         (Layout::make_output_section): Rcognize relro sections and mark
3980         them appropriately.
3981         (Layout::attach_allocated_section_to_segment): Put relro sections
3982         in a PT_GNU_RELRO segment.
3983         (Layout::create_initial_dynamic_sections): Mark the .dynamic
3984         section as relro.
3985         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
3986         PT_TLS segments.
3987         (Layout::linkonce_mapping): Map d.rel.ro.local to
3988         .data.rel.ro.local.
3989         (Layout::output_section_name): Us .data.rel.ro.local for any
3990         section which begins with that.
3991         * layout.h (class Layout): Update add_output_section_data
3992         declaration.  Add relro_segment_ field.
3993         * output.cc (Output_section::Output_section): Initialize is_relro_
3994         and is_relro_local_ fields.
3995         (Output_segment::add_output_section): Group relro sections.
3996         (Output_segment::is_first_section_relro): New function.
3997         (Output_segment::maximum_alignment): If there is a relro section,
3998         align the segment to the common page size.
3999         (Output_segment::set_section_addresses): Track whether we are
4000         looking at relro sections.  If the last section is a relro
4001         section, align to the common page size.
4002         (Output_segment::set_section_list_addresses): Add in_relro
4003         parameter.  Change all callers.  Align to the page size when
4004         moving from relro to non-relro section.
4005         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
4006         segment.
4007         * output.h (class Output_section): Add is_relro_ and
4008         is_relro_local_ fields.
4009         (Output_section::is_relro): New function.
4010         (Output_section::set_is_relro): New function.
4011         (Output_section::is_relro_local): New function.
4012         (Output_section::set_is_relro_local): New function.
4013         (class Output_segment): Update declarations.
4014         * i386.cc (Target_i386::got_section): Mark .got section as relro.
4015         * sparc.cc (Target_sparc::got_section): Likewise.
4016         * x86_64.cc (Target_x86_64::got_section): Likewise.
4017         * testsuite/relro_test_main.cc: New file.
4018         * testsuite/relro_test.cc: New file.
4019         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
4020         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
4021         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
4022         (relro_test.so, relro_test_pic.o): New targets.
4023         * testsuite/Makefile.in: Rebuild.
4024
4025 2008-05-16  Ian Lance Taylor  <iant@google.com>
4026
4027         * output.cc (Output_segment::add_output_section): Remove front
4028         parameter.
4029         * output.h (class Output_segment): Remove
4030         add_initial_output_section and overloaded add_output_section.
4031         Update declaration of remaining add_output_section.
4032         * layout.cc (Layout::create_interp): Call add_output_section
4033         rather than add_initial_output_section.
4034         (Layout::finish_dynamic_section): Likewise.
4035
4036         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
4037         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
4038         know the dynamic type.
4039         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
4040         field.  Initialize it in constructor.
4041         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
4042         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
4043         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
4044         reloc.
4045
4046         * output.cc (Output_reloc::get_address): Change return type to
4047         Elf_Addr.
4048         * output.h (class Output_reloc): Update get_address declaration.
4049         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
4050         for section addresses.
4051
4052 2008-05-09  Ian Lance Taylor  <iant@google.com>
4053
4054         PR 6493
4055         * gold.cc (gold_nomem): Use return value of write.
4056
4057 2008-05-08  Ian Lance Taylor  <iant@google.com>
4058
4059         * symtab.c (Symbol::init_base_output_data): Add version
4060         parameter.  Change all callers.
4061         (Symbol::init_base_output_segment): Likewise.
4062         (Symbol::init_base_constant): Likewise.
4063         (Symbol::init_base_undefined): Likewise.
4064         (Sized_symbol::init_output_data): Likewise.
4065         (Sized_symbol::init_output_segment): Likewise.
4066         (Sized_symbol::init_constant): Likewise.
4067         (Sized_symbol::init_undefined): Likewise.
4068         (Symbol_table::do_define_in_output_data): If the new symbol has a
4069         version, mark it as the default.
4070         (Symbol_table::do_define_in_output_segment): Likewise.
4071         (Symbol_table::do_define_as_constant): Likewise.
4072         * symtab.h (class Symbol): Update declarations.
4073         (class Sized_symbol): Likewise.
4074         * resolve.cc (Symbol::override_version): New function.
4075         (Symbol::override_base): Call override_version.
4076         (Symbol::override_base_with_special): Likewise.
4077         * testsuite/ver_script_8.script: New file.
4078         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
4079         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
4080         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
4081         (ver_test_8_1.so, ver_test_8_2.so): New targets.
4082
4083 2008-05-06  Ian Lance Taylor  <iant@google.com>
4084
4085         PR 6049
4086         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
4087         functions.
4088         (class General_options): Remove existing --undefined, and add
4089         --no-undefined instead.  Add new --undefined as synonym for -u.
4090         * archive.cc (Archive::add_symbols): Check whether symbol was
4091         named with -u.
4092         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
4093         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
4094         all uses.  Add IS_UNDEFINED.  Update declarations to split
4095         different versions of init_base.  Declare init_base_undefined.
4096         (Symbol::is_defined): Handle IS_UNDEFINED.
4097         (Symbol::is_undefined): Likewise.
4098         (Symbol::is_weak_undefined): Call is_undefined.
4099         (Symbol::is_absolute): Handle IS_CONSTANT.
4100         (class Sized_symbol): Update declarations to split different
4101         versions of init.  Declare init_undefined.
4102         (class Symbol_table): Declare new functions.
4103         * symtab.cc (Symbol::init_base_object): Rename from init_base.
4104         Change all callers.
4105         (Symbol::init_base_output_data): Likewise.
4106         (Symbol::init_base_output_segment): Likewise.
4107         (Symbol::init_base_constant): Likewise.
4108         (Symbol::init_base_undefined): New function.
4109         (Sized_symbol::init_object): Rename from init.  Change all
4110         callers.
4111         (Sized_symbol::init_output_data): Likewise.
4112         (Sized_symbol::init_output_segment): Likewise.
4113         (Sized_symbol::init_constant): Likewise.
4114         (Sized_symbol::init_undefined): New function.
4115         (Symbol_table::add_undefined_symbols_from_command_line): New
4116         function.
4117         (Symbol_table::do_add_undefined_symbols_from_command_line): New
4118         function.
4119         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
4120         (Symbol::output_section): Likewise.
4121         (Symbol::set_output_section): Likewise.
4122         (Symbol_table::sized_finalize_symbol): Likewise.
4123         (Symbol_table::sized_write_globals): Likewise.
4124         * resolve.cc (Symbol_table::should_override): Likewise.
4125         (Symbol::override_base_with_special): Likewise.
4126
4127         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
4128         symbol, change it to have default visibility.
4129         * testsuite/protected_1.cc: New file.
4130         * testsuite/protected_2.cc: New file.
4131         * testsuite/protected_3.cc: New file.
4132         * testsuite/protected_main_1.cc: New file.
4133         * testsuite/protected_main_2.cc: New file.
4134         * testsuite/protected_main_3.cc: New file.
4135         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
4136         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
4137         (protected_1_LDFLAGS, protected_1_LDADD): Define.
4138         (protected_1.so): New target.
4139         (protected_1_pic.o, protected_2_pic.o): New targets.
4140         (protected_3_pic.o): New target.
4141         (check_PROGRAMS): Add protected_2.
4142         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
4143         (protected_2_LDFLAGS, protected_2_LDADD): Define.
4144         * testsuite/Makefile.in: Rebuild.
4145
4146         * options.h (DEFINE_var): Add set_user_set_##varname__.
4147         (DEFINE_bool_alias): New macro.
4148         (class General_options): Define -Bstatic using DEFINE_bool_alias
4149         rather than DEFINE_special.  Add --undefined as an alias for -z
4150         defs.
4151         * options.cc (General_options::parse_Bstatic): Remove.
4152
4153         * options.h (class General_options): Add --fatal-warnings.
4154         * main.cc (main): Implement --fatal-warnings.
4155         * errors.h (Errors::warning_count): New function.
4156
4157         * options.h (class General_options): Add -Bsymbolic-functions.
4158         * symtab.h (Symbol::is_preemptible): Check for
4159         -Bsymbolic-functions.
4160
4161 2008-05-05  Ian Lance Taylor  <iant@google.com>
4162
4163         * options.h (DEFINE_bool): For DASH_Z, create the negative option
4164         as noVARNAME rather than no-VARNAME.
4165         (class General_options): Add option -z combreloc.
4166         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
4167         get_address.
4168         (Output_reloc::sort_before) [SHT_REL]: New function.
4169         (Output_reloc::sort_before) [SHT_RELA]: New function.
4170         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
4171         Sort_relocs_comparison.
4172         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
4173         parameter.  Change all callers.
4174         (Output_data_reloc::Output_data_reloc) [both versions]: Add
4175         sort_relocs parameter.  Change all callers.
4176         * output.cc (Output_reloc::get_address): New function, broken out
4177         of write_rel.
4178         (Output_reloc::write_rel): Call it.
4179         (Output_reloc::compare): New function.
4180         (Output_data_reloc_base::do_write): Optionally sort relocs.
4181
4182         * configure.ac: If targ_extra_obj is set, link it in.
4183         * configure.tgt: Initialize all variables.
4184         (x86_64*): Set targ_extra_obj and targ_extra_size.
4185         * configure: Rebuild.
4186
4187         * object.cc (Sized_relobj::include_section_group): Adjust section
4188         indexes read from group data.  Build vector to pass to
4189         layout_group.
4190         * layout.cc (Layout::layout_group): Add flags and shndxes
4191         parameters.  Remove contents parameter.  Change caller.  Update
4192         explicit instantiations.
4193         * layout.h (class Layout): Update layout_group declaration.
4194         * output.cc (Output_data_group::Output_data_group): Add flags and
4195         input_shndxes parameters.  Remove contents parameter.  Change
4196         caller.
4197         (Output_data_group::do_write): Change input_sections_ to
4198         input_shndxes_.
4199         * output.h (class Output_data_group): Update constructor
4200         declaration.  Rename input_sections_ to input_shndxes_.
4201         * testsuite/many_sections_test.cc: Add template.
4202
4203 2008-04-30  Cary Coutant  <ccoutant@google.com>
4204
4205         * target-reloc.h (relocate_section): Fix dead-pointer bug.
4206
4207         * layout.cc (Layout::include_section): Refactored check for debug
4208         info section.
4209         (Layout::add_comdat): Add new parameters.  Change type
4210         of signature parameter.  Add object and shndx to signatures table.
4211         (Layout::find_kept_object): New function.
4212         * layout.h: Include <cstring>.
4213         (Layout::is_debug_info_section): New function.
4214         (Layout::add_comdat): Add new parameters.
4215         (Layout::find_kept_object): New function.
4216         (Layout::Kept_section): New struct.
4217         (Layout::Signatures): Change type of map range.
4218         * object.cc (Relobj::output_section_address): New function.
4219         (Sized_relobj::include_section_group): Add new parameters.  Change
4220         calls to Layout::add_comdat.  Change to build table of kept comdat
4221         groups and table mapping discarded sections to kept sections.
4222         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
4223         (Sized_relobj::do_layout): Change calls to include_section_group and
4224         include_linkonce_section.
4225         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
4226         value to zero when section is discarded.
4227         (Sized_relobj::map_to_kept_section): New function.
4228         * object.h (Relobj::output_section_address): New function.
4229         (Relobj::Comdat_group): New type.
4230         (Relobj::find_comdat_group): New function.
4231         (Relobj::Comdat_group_table): New type.
4232         (Relobj::Kept_comdat_section): New type.
4233         (Relobj::Kept_comdat_section_table): New type.
4234         (Relobj::add_comdat_group): New function.
4235         (Relobj::set_kept_comdat_section): New function.
4236         (Relobj::get_kept_comdat_section): New function.
4237         (Relobj::comdat_groups_): New field.
4238         (Relobj::kept_comdat_sections_): New field.
4239         (Symbol_value::input_value): Update comment.
4240         (Sized_relobj::map_to_kept_section) New function.
4241         (Sized_relobj::include_linkonce_section): Add new parameter.
4242         * target-reloc.h (Comdat_behavior): New type.
4243         (get_comdat_behavior): New function.
4244         (relocate_section): Add code to map a discarded section to the
4245         corresponding kept section when applying a relocation.
4246
4247 2008-04-30  Craig Silverstein  <csilvers@google.com>
4248
4249         * dwarf_reader.cc (next_generation_count): New static var.
4250         (Addr2line_cache_entry): New struct.
4251         (addr2line_cache): New static var.
4252         (Dwarf_line_info::one_addr2line): Added caching.
4253         (Dwarf_line_info::clear_addr2line_cache): New function.
4254         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
4255         cache-size parameter.
4256         (Dwarf_line_info::one_addr2line_cache): New function.
4257         * symtab.cc (Symbol_table::detect_odr_violations): Pass
4258         new cache-size argument to one_addr2line(), and clear cache.
4259
4260 2008-04-28  Cary Coutant  <ccoutant@google.com>
4261
4262         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
4263         R_386_PC8 relocations.
4264
4265 2008-04-23  Ian Lance Taylor  <iant@google.com>
4266
4267         * object.cc (Sized_relobj::include_section_group): Check for
4268         invalid section group.
4269
4270         * object.cc (make_elf_object): Correct test for 64-bit ELF file
4271         header size.
4272
4273         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
4274         than read for file header.
4275         * archive.cc (Archive::include_member): Likewise.
4276
4277 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
4278
4279         * aclocal.m4: Regenerate.
4280         * configure: Regenerate.
4281
4282 2008-04-19  Ian Lance Taylor  <iant@google.com>
4283
4284         * version.cc (version_string): Bump to 1.6.
4285
4286         * testsuite/Makefile.am (many_sections_r_test): New target.
4287         (many_sections_r_test_SOURCES): Remove.
4288         (many_sections_r_test_DEPENDENCIES): Remove.
4289         (many_sections_r_test_LDFLAGS): Remove.
4290         (many_sections_r_test_LDADD): Remove.
4291
4292         * object.cc (Sized_relobj::do_add_symbols): Always pass
4293         local_symbol_count_ to add_from_relobj.
4294
4295         * testsuite/Makefile.am (many_sections_check.h): Only check one in
4296         every thousand variables.
4297         * testsuite/Makefile.in: Rebuild.
4298
4299         * object.cc (Xindex::initialize_symtab_xindex): New function.
4300         (Xindex::read_symtab_xindex): New function.
4301         (Xindex::sym_xindex_to_shndx): New function.
4302         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
4303         available.
4304         (Sized_relobj::do_initialize_xindex): New function.
4305         (Sized_relobj::do_read_symbols): Adjust section links.
4306         (Sized_relobj::symbol_section_and_value): Add is_ordinary
4307         parameter.  Change all callers.
4308         (Sized_relobj::include_section_group): Adjust section links and
4309         symbol section indexes.
4310         (Sized_relobj::do_layout): Adjust section links.
4311         (Sized_relobj::do_count_local_symbols): Adjust section links and
4312         symbol section indexes.
4313         (Sized_relobj::do_finalize_local_symbols): Distinguish between
4314         ordinary and special symbols.
4315         (Sized_relobj::write_local_symbols): Add symtab_xindex and
4316         dynsym_xindex parameters.  Change all callers.  Adjust section
4317         links.  Use SHN_XINDEX when needed.
4318         (Sized_relobj::get_symbol_location_info): Adjust section links.
4319         Don't get fooled by special symbols.
4320         * object.h (class Xindex): Define.
4321         (class Object): Add xindex_ parameter.  Declare virtual functoin
4322         do_initialize_xindex.
4323         (Object::adjust_sym_shndx): New function.
4324         (Object::set_xindex): New protected function.
4325         (class Symbol_value): Add is_ordinary_shndx_ field.
4326         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
4327         (Symbol_value::value): Assert ordinary section.
4328         (Symbol_value::initialize_input_to_output_map): Likewise.
4329         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
4330         Change all callers.
4331         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
4332         all callers.
4333         (class Sized_relobj): Update declarations.
4334         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
4335         parameter.  Change all callers.
4336         (Sized_relobj::adjust_shndx): New function.
4337         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
4338         field.
4339         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
4340         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
4341         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
4342         (Sized_dynobj::read_dynsym_section): Adjust section links.
4343         (Sized_dynobj::read_dynamic): Likewise.
4344         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
4345         section links.
4346         (Sized_dynobj::do_initialize_xindex): New function.
4347         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
4348         do_initialize_xindex.
4349         (Sized_dynobj::adjust_shndx): New function.
4350         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
4351         dynsym_xindex_ fields.
4352         (Layout::finalize): Add a call to set_section_indexes before
4353         creating the symtab sections.
4354         (Layout::set_section_indexes): Don't do anything if the section
4355         already has a section index.
4356         (Layout::create_symtab_sections): Add shnum parameter.  Change
4357         caller.  Create .symtab_shndx section if needed.
4358         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
4359         caller.
4360         (Layout::allocated_output_section_count): New function.
4361         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
4362         needed.
4363         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
4364         fields.  Update declarations.
4365         (Layout::symtab_xindex): New function.
4366         (Layout::dynsym_xindex): New function.
4367         (class Write_symbols_task): Add layout_ field.
4368         (Write_symbols_task::Write_symbols_task): Add layout parameter.
4369         Change caller.
4370         * output.cc (Output_section_headers::Output_section_headers): Add
4371         shstrtab_section parameter.  Change all callers.
4372         (Output_section_headers::do_sized_write): Store overflow values
4373         for section count and section string table section index in
4374         section header zero.
4375         (Output_file_header::do_sized_write): Check for overflow of
4376         section count and section string table section index.
4377         (Output_symtab_xindex::do_write): New function.
4378         (Output_symtab_xindex::endian_do_write): New function.
4379         * output.h (class Output_section_headers): Add shstrtab_section_.
4380         Update declarations.
4381         (class Output_symtab_xindex): Define.
4382         (Output_section::has_out_shndx): New function.
4383         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
4384         field.
4385         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
4386         Change all callers.
4387         (Sized_symbol::init): Likewise.
4388         (Symbol::output_section): Check for ordinary symbol.
4389         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
4390         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
4391         callers.
4392         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
4393         Change all callers.  Simplify handling of symbols from sections
4394         not included in the link.
4395         (Symbol_table::add_from_dynobj): Handle ordinary symbol
4396         distinction.
4397         (Weak_alias_sorter::operator()): Assert that symbols are
4398         ordinary.
4399         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
4400         distinction.
4401         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
4402         parameters.  Change all callers.
4403         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
4404         symbol distinction.  Use SHN_XINDEX when needed.
4405         (Symbol_table::write_section_symbol): Add symtab_xindex
4406         parameter.  Change all callers.
4407         (Symbol_table::sized_write_section_symbol): Likewise.  Use
4408         SHN_XINDEX when needed.
4409         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
4410         declarations.
4411         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
4412         (Symbol::is_defined): Check is_ordinary.
4413         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
4414         (Symbol::is_absolute, Symbol::is_common): Likewise.
4415         (class Sized_symbol): Update declarations.
4416         (class Symbol_table): Update declarations.
4417         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
4418         parameters.  Change all callers.
4419         (Sized_symbol::override): Likewise.
4420         (Symbol_table::override): Likewise.
4421         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
4422         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
4423         is_ordinary, and orig_st_shndx parameters.  Change all callers.
4424         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
4425         to be in an ordinary section.
4426         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
4427         object and is_ordinary parameters.  Change all callers.
4428         (Sized_dwarf_line_info::read_relocs): Add object parameter.
4429         Change all callers.  Don't add undefined or non-ordinary symbols
4430         to reloc_map_.
4431         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
4432         Change all callers.
4433         * dwarf_reader.h (class Sized_dwarf_line_info): Update
4434         declarations.
4435         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
4436         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
4437         (Sized_relobj::relocate_sections): Likewise.
4438         * target-reloc.h (scan_relocs): Adjust section symbol index.
4439         (scan_relocatable_relocs): Likewise.
4440         * i386.cc (Scan::local): Check for ordinary symbols.
4441         * sparc.cc (Scan::local): Likewise.
4442         * x86_64.cc (Scan::local): Likewise.
4443         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
4444         to symbol_section_and_value.
4445         * testsuite/many_sections_test.cc: New file.
4446         * testsuite/Makefile.am (BUILT_SOURCES): Define.
4447         (check_PROGRAMS): Add many_sections_test.
4448         (many_sections_test_SOURCES): Define.
4449         (many_sections_test_DEPENDENCIES): Define.
4450         (many_sections_test_LDFLAGS): Define.
4451         (BUILT_SOURCES): Add many_sections_define.h.
4452         (many_sections_define.h): New target.
4453         (BUILT_SOURCES): Add many_sections_check.h.
4454         (many_sections_check.h): New target.
4455         (check_PROGRAMS): Add many_sections_r_test.
4456         (many_sections_r_test_SOURCES): Define.
4457         (many_sections_r_test_DEPENDENCIES): Define.
4458         (many_sections_r_test_LDFLAGS): Define.
4459         (many_sections_r_test_LDADD): Define.
4460         (many_sections_r_test.o): New target.
4461         * testsuite/Makefile.in: Rebuild.
4462
4463 2008-04-17  Cary Coutant  <ccoutant@google.com>
4464
4465         * errors.cc (Errors::info): New function.
4466         (gold_info): New function.
4467         * errors.h (Errors::info): New function.
4468         * gold.h (gold_info): New function.
4469         * object.cc (Input_objects::add_object): Print trace output.
4470         * options.cc (options::parse_set): New function.
4471         (General_options::parse_wrap): Deleted.
4472         (General_options::General_options): Deleted initializer.
4473         * options.h (options::String_set): New typedef.
4474         (options::parse_set): New function.
4475         (DEFINE_set): New macro.
4476         (General_options::wrap): Changed to use DEFINE_set. Changed
4477         callers of any_wrap_symbols and is_wrap_symbol.
4478         (General_options::trace, General_options::trace_symbol):
4479         New options.
4480         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
4481         (General_options::wrap_symbols_): Deleted.
4482         * symtab.cc (Symbol_table::add_from_object): Print trace output.
4483
4484 2008-04-17  David S. Miller  <davem@davemloft.net>
4485
4486         * options.cc (General_options::parse_V): New function.
4487         * options.h: Add entries for -V and -Qy.
4488
4489 2008-04-17  Ian Lance Taylor  <iant@google.com>
4490
4491         * common.cc (Symbol_table::allocate_commons): Remove options
4492         parameter.  Change caller.
4493         (Symbol_table::do_allocate_commons): Remove options parameter.
4494         Change caller.  Just call do_allocate_commons_list twice.
4495         (Symbol_table::do_allocate_commons_list): New function, broken out
4496         of do_allocate_commons.
4497         * common.h (class Allocate_commons_task): Remove options_ field.
4498         Update constructor.
4499         * symtab.cc (Symbol_table::Symbol_table): Initialize
4500         tls_commons_.
4501         (Symbol_table::add_from_object): Put TLS common symbols on
4502         tls_commons_ list.
4503         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
4504         which are IN_OUTPUT_DATA.
4505         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
4506         allocate_commons and do_allocate_commons declarations.  Declare
4507         do_allocate_commons_list.
4508         * gold.cc (queue_middle_tasks): Update creation of
4509         Allocate_commons_task to not pass options.
4510         * testsuite/Makefile.am (INCLUDES): Add -I.. .
4511         (TLS_TEST_C_FLAGS): New variable.
4512         (tls_test_c_pic.o): New target.
4513         (tls_test_shared.so): Link in tls_test_c_pic.o.
4514         (tls_test_c_pic_ie.o): New target.
4515         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
4516         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
4517         (tls_test_c.o): New target.
4518         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
4519         (tls_pic_test_LDADD): Likewise.
4520         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
4521         (tls_shared_gd_to_ie_test_LDADD): Likewise.
4522         (tls_test_c_gnu2.o): New target.
4523         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
4524         tls_test_c_gnu2.o.
4525         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
4526         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
4527         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
4528         * testsuite/tls_test.cc: Include "config.h".
4529         (t_last): Call t11_last.
4530         * testsuite/tls_test.h (t11, t11_last): Declare.
4531         * testsuite/tls_test_c.c: New file.
4532         * testsuite/tls_test_main.cc (thread_routine): Call t11.
4533         * configure.ac: Check for OpenMP support.
4534         * configure, config.in, Makefile.in: Rebuild.
4535         * testsuite/Makefile.in: Rebuild.
4536
4537 2008-04-16  Cary Coutant  <ccoutant@google.com>
4538
4539         * i386.cc (Target_i386::define_tls_base_symbol): New function.
4540         (Target_i386::tls_base_symbol_defined_): New field.
4541         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
4542         (Target_i386::Scan::global): Likewise.
4543         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
4544         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
4545         (Target_x86_64::tls_base_symbol_defined_): New field.
4546         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
4547         (Target_x86_64::Scan::global): Likewise.
4548
4549 2008-04-16  Cary Coutant  <ccoutant@google.com>
4550
4551         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
4552         (Symbol::needs_plt_entry): Allow weak undefined symbols.
4553         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
4554         building shared libraries.
4555         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
4556         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
4557         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
4558         * testsuite/Makefile.in: Rebuild.
4559         * testsuite/weak_undef.h: New file.
4560         * testsuite/weak_undef_file1.cc: Add extra test cases.
4561         * testsuite/weak_undef_file2.cc: Likewise.
4562         * testsuite/weak_undef_test.cc: Likewise.
4563
4564 2008-04-16  David S. Miller  <davem@davemloft.net>
4565
4566         * sparc.cc (Target_sparc::Scan): Change from struct to class.
4567         Add issued_non_pic_error_ field.  Declare check_non_pic.
4568         (Target_sparc::Scan::check_non_pic): New function.
4569         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
4570         (Target_sparc::Scan::global): Likewise.
4571
4572         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
4573         * configure: Rebuild.
4574
4575         * options.h (DEFINE_enable): New macro.
4576         (new_dtags): New enable option.
4577         (initfirst, interpose, loadfltr, nodefaultlib,
4578         nodelete, nodlopen, nodump): New -z options.
4579         * layout.cc (Layout:finish_dynamic_section): If new
4580         dtags enabled, emit DT_RUNPATH.  Also, emit a
4581         DT_FLAGS_1 containing any specified -z flags.
4582
4583 2008-04-16  Ian Lance Taylor  <iant@google.com>
4584
4585         * copy-relocs.cc: New file.
4586         * copy-relocs.h: New file.
4587         * reloc.cc: Remove Copy_relocs code.
4588         * reloc.h: Likewise.
4589         * reloc-types.h (struct Reloc_types) [both versions]: Add
4590         get_reloc_addend_noerror.
4591         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
4592         variants of add_global which take an addend which must be zero.
4593         * i386.cc: Include "copy-relocs.h".
4594         (class Target_i386): Change type of copy_relocs_ to variable,
4595         update initializer.
4596         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
4597         Change all callers.
4598         (Target_i386::do_finalize_sections): Change handling of
4599         copy_relocs_.
4600         * sparc.cc: Include "copy-relocs.h".
4601         (class Target_sparc): Change type of copy_relocs_ to variable,
4602         update initializer.
4603         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
4604         Change all callers.
4605         (Target_sparc::do_finalize_sections): Change handling of
4606         copy_relocs_.
4607         * x86_64.cc: Include "copy-relocs.h".
4608         (class Target_x86_64): Change type of copy_relocs_ to variable,
4609         update initializer.
4610         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
4611         class.  Change all callers.
4612         (Target_x86_64::do_finalize_sections): Change handling of
4613         copy_relocs_.
4614         * Makefile.am (CCFILES): Add copy-relocs.cc.
4615         (HFILES): Add copy-relocs.h.
4616
4617         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
4618
4619         * testsuite/script_test_4.sh: Permit leading zeroes.
4620
4621 2008-04-15  Ian Lance Taylor  <iant@google.com>
4622
4623         * script-sections.cc (Script_sections::create_segments): Use
4624         header_size_adjustment even when there is enough room for the
4625         headers.
4626         * testsuite/script_test_4.sh: New file.
4627         * testsuite/script_test_4.t: New file.
4628         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
4629         (check_DATA): Add script_test_4.stdout.
4630         (MOSTLYCLEANFILES): Likewise.
4631         (script_test_4): New target.
4632         (script_test_4.stdout): New target.
4633         * testsuite/Makefile.in: Rebuild.
4634
4635         * sparc.cc: Add definitions for Output_data_plt_sparc class
4636         constants.
4637
4638 2008-04-14  David S. Miller  <davem@davemloft.net>
4639
4640         * sparc.cc: New file.
4641         * Makefile.am (TARGETSOURCES): Add sparc.cc
4642         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
4643         * configure.tgt: Document targ_extra_size and
4644         targ_extra_big_endian.  Add entries for sparc-* and
4645         sparc64-*.
4646         * configure.ac: Handle targ_extra_size and
4647         targ_extra_big_endian.
4648         * Makefile.in: Rebuild.
4649         * configure: Likewise.
4650         * po/POTFILES.in: Likewise.
4651         * po/gold.pot: Likewise.
4652
4653 2008-04-14  Ian Lance Taylor  <iant@google.com>
4654
4655         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
4656         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
4657         in the name/type/flags to section mapping.  Don't call
4658         allocate_output_section.
4659         (Layout::choose_output_section): Change parameter from adjust_name
4660         to is_input_section.  Don't permit input sections after sections
4661         are attached to segments.  Don't call allocate_output_section.
4662         (Layout::layout_eh_frame): Call update_flags_for_input_section,
4663         not write_enable_output_section.
4664         (Layout::make_output_section): Don't push to
4665         unattached_section_list_ nor call attach_to_segment.  Call
4666         attach_section_to_segment if sections are attached.
4667         (Layout::attach_sections_to_segments): New function.
4668         (Layout::attach_section_to_segment): New function.
4669         (Layout::attach_allocated_section_to_segment): Rename from
4670         attach_to_segment.  Remove flags parameter.
4671         (Layout::allocate_output_section): Remove function.
4672         (Layout::write_enable_output_section): Remove function.
4673         * layout.h (class Layout): Update for above changes.  Add new
4674         field sections_are_attached_.
4675         * output.h (Output_section::update_flags_for_input_section): New
4676         function.
4677         * output.cc (Output_section::add_input_section): Call
4678         update_flags_for_input_section.
4679         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
4680
4681 2008-04-11  Cary Coutant  <ccoutant@google.com>
4682
4683         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
4684         thought unnecessary.
4685         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
4686
4687 2008-04-11  Ian Lance Taylor  <iant@google.com>
4688
4689         * output.h (class Output_section_data): Remove inline definition
4690         of set_addralign.
4691         * output.cc (Output_section_data::set_addralign): New function.
4692
4693 2008-04-11  Cary Coutant  <ccoutant@google.com>
4694
4695         Add support for TLS descriptors for i386 and x86_64.
4696         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
4697         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
4698         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
4699         GOT_TYPE_TLS_DESC.
4700         (Target_i386::got_mod_index_entry): Remove unnecessary code.
4701         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
4702         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
4703         relocations.
4704         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
4705         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
4706         Fix problem with initial-exec relocations.
4707         (Target_i386::Relocate::relocate_tls): Likewise.
4708         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
4709         relaxation.
4710         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
4711         support for section-plus-offset dynamic table entries.
4712         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
4713         (Output_data_dynamic::Dynamic_entry): Add support for
4714         section-plus-offset dynamic table entries.
4715         (Output_data_dynamic::Classification): Likewise.
4716         (Output_data_dynamic::classification_): Renamed offset_.
4717         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
4718         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
4719         (Target_x86_64::make_plt_section): New function.
4720         (Target_x86_64::reserve_tlsdesc_entries): New function.
4721         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
4722         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
4723         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
4724         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
4725         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
4726         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
4727         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
4728         add extra PLT entry for TLS descriptors.
4729         (Output_data_plt_x86_64::got_): New field.
4730         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
4731         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
4732         fields.
4733         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
4734         descriptors.
4735         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
4736         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
4737         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
4738         R_386_TLS_DESC_CALL relocations.
4739         (Target_x86_64::Scan::global): Likewise.
4740         (Target_x86_64::do_finalize_sections): Add dynamic table entries
4741         for TLS descriptors.
4742         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
4743         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
4744         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
4745         GD-to-IE relaxation.
4746         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
4747         and TLS_DESCRIPTORS.
4748         * Makefile.in: Rebuild.
4749         * configure: Rebuild.
4750         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
4751         (tls_test_shared2.so): New target.
4752         (tls_shared_gd_to_ie_test_SOURCES): New variable.
4753         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
4754         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
4755         (tls_shared_gd_to_ie_test_LDADD): New variable.
4756         (tls_shared_gnu2_gd_to_ie_test): New target.
4757         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
4758         New targets.
4759         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
4760         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
4761         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
4762         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
4763         (tls_shared_gnu2_test): New target.
4764         (tls_test_gnu2_shared.so): New target.
4765         (tls_shared_gnu2_test_SOURCES): New variable.
4766         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
4767         (tls_shared_gnu2_test_LDFLAGS): New variable.
4768         (tls_shared_gnu2_test_LDADD): New variable.
4769         * testsuite/Makefile.in: Rebuild.
4770         * testsuite/Makefile.
4771
4772 2008-04-11  Ian Lance Taylor  <iant@google.com>
4773
4774         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
4775         justsyms.t.
4776         * testsuite/Makefile.in: Rebuild.
4777
4778         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
4779         long.
4780         * testsuite/script_test_2.cc (main): Adjust test.
4781
4782 2008-04-11  David S. Miller  <davem@davemloft.net>
4783             Ian Lance Taylor  <iant@google.com>
4784
4785         * options.h (General_options): Add entries for '-Y' and
4786         '-relax'.
4787         * options.cc (General_options:finalize): If -Y was used, add those
4788         entries to the library path instead of the default "/lib" and
4789         "/usr/lib".
4790
4791 2008-04-11  David S. Miller  <davem@davemloft.net>
4792
4793         * testsuite/justsyms.t: Start at 0x100.
4794         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
4795         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
4796         long.
4797         * testsuite/script_test_2.cc: Adjust string and section length
4798         checks.
4799
4800 2008-04-09  Ian Lance Taylor  <iant@google.com>
4801
4802         PR gold/5996
4803         * script-sections.cc (Sections_element::allocate_to_segment): Add
4804         orphan parameter.
4805         (Output_section_definition::allocate_to_segment): Likewise.
4806         (Orphan_output_section::allocate_to_segment): Likewise.
4807         (Script_sections::attach_sections_using_phdrs_clause): Don't
4808         propagate non-PT_LOAD segments to orphan sections.
4809         * testsuite/Makefile.am (script_test_3.stdout): Generate using
4810         readelf rather than objdump.
4811         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
4812         .interp section and PT_INTERP segment are the same size.
4813         * testsuite/Makefile.in: Rebuild.
4814
4815         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
4816         aliases for symbols defined in the same object.
4817         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
4818         (weak_alias_test_SOURCES): New variable.
4819         (weak_alias_test_DEPENDENCIES): New variable.
4820         (weak_alias_test_LDFLAGS): New variable.
4821         (weak_alias_test_LDADD): New variable.
4822         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
4823         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
4824         (weak_alias_test_3.o): New target.
4825         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
4826         * testsuite/weak_alias_test_main.cc: New file.
4827         * testsuite/weak_alias_test_1.cc: New file.
4828         * testsuite/weak_alias_test_2.cc: New file.
4829         * testsuite/weak_alias_test_3.cc: New file.
4830
4831 2008-04-08  Ian Lance Taylor  <iant@google.com>
4832
4833         * options.h (class General_options): Add --noinhibit-exec option.
4834         * main.cc (main): Check --noinhibit-exec.
4835
4836         * options.h (class General_options): Define --wrap as a special
4837         option.  Add wrap_symbols_ field.
4838         (General_options::any_wrap_symbols): New function.
4839         (General_options::is_wrap_symbol): New function.
4840         * options.cc (General_options::parse_wrap): New function.
4841         (General_options::General_options): Initialize wrap_symbols_.
4842         * symtab.cc (Symbol_table::wrap_symbol): New function.
4843         (Symbol_table::add_from_object): Handle --wrap.
4844         * symtab.h (class Symbol_table): Declare wrap_symbol.
4845         * target.h (Target::wrap_char): New function.
4846         (Target::Target_info): Add wrap_char field.
4847         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
4848         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
4849         * testsuite/testfile.cc (Target_test::test_target_info):
4850         Likewise.
4851
4852         * errors.cc (Errors::undefined_symbol): Mention symbol version if
4853         there is one.
4854
4855         * layout.h (class Layout): Add added_eh_frame_data_ field.
4856         * layout.cc (Layout::Layout): Initialize new field.
4857         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
4858         output section until we find a section we merged successfully.
4859         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
4860         that the size be non-zero.
4861
4862         * merge.cc (Object_merge_map::get_output_offset): Remove inline
4863         qualifier.
4864
4865 2008-04-08  Craig Silverstein  <csilvers@google.com>
4866
4867         * configure.ac: Export new conditional variable HAVE_ZLIB.
4868         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
4869         on HAVE_ZLIB.
4870         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
4871         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
4872
4873 2008-04-07  Ian Lance Taylor  <iant@google.com>
4874
4875         * version.cc (version_string): Set to "1.5".
4876
4877         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
4878         Add issued_non_pic_error_ field.  Declare check_non_pic.
4879         (Target_x86_64::Scan::check_non_pic): New function.
4880         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
4881         (Target_x86_64::Scan::global): Likewise.
4882
4883         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
4884         addend parameter.  Change caller.  Handle merge sections.
4885         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
4886         Address to Addend.  Don't add in the result of
4887         local_section_offset, pass down the addend and use the returned
4888         value.
4889         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
4890         Update declarations of local_section_offset and symbol_value.
4891         * testsuite/two_file_test_1.cc (t18): New function.
4892         * testsuite/two_file_test_2.cc (f18): New function.
4893         * testsuite/two_file_test_main.cc (main): Call t18.
4894         * testsuite/two_file_test.h (t18, f18): Declare.
4895
4896         * configure.ac: Don't test for objdump, c++filt, or readelf.
4897         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
4898         conditionals.
4899         (TEST_READELF): New variable.
4900         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
4901         (check_PROGRAMS): Add two_file_strip_test.
4902         (two_file_strip_test): New target.
4903         (check_PROGRAMS): Add two_file_same_shared_strip_test.
4904         (two_file_same_shared_strip_test_SOURCES): New variable.
4905         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
4906         (two_file_same_shared_strip_test_LDFLAGS): New variable.
4907         (two_file_same_shared_strip_test_LDADD): New variable.
4908         (two_file_shared_strip.so): New target.
4909         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
4910         (ver_test_5.syms, ver_test_7.syms): Likewise.
4911         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
4912         (strip_test_3.stdout): Use TEST_OBJDUMP.
4913         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
4914
4915 2008-04-04  Cary Coutant  <ccoutant@google.com>
4916
4917         * symtab.h (Symbol::is_weak_undefined): New function.
4918         (Symbol::is_strong_undefined): New function.
4919         (Symbol::is_absolute): New function.
4920         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
4921         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
4922         absolute symbols.
4923         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
4924         (weak_undef_test): New target.
4925         * testsuite/Makefile.in: Rebuild.
4926         * testsuite/weak_undef_file1.cc: New file.
4927         * testsuite/weak_undef_file2.cc: New file.
4928         * testsuite/weak_undef_test.cc: New file.
4929
4930 2008-04-03  Craig Silverstein  <csilvers@google.com>
4931
4932         * compressed_output.h (class Output_compressed_section): Use
4933         unsigned buffer.
4934         * compressed_output.cc (zlib_compress): Use unsigned buffers,
4935         add zlib header.
4936         (zlib_compressed_suffix): Removed.
4937         (Output_compressed_section::set_final_data_size): Use unsigned
4938         buffers.
4939         * testsuite/Makefile.am (flagstest_compress_debug_sections):
4940         Fix linker invocation.
4941         (flagstest_o_specialfile_and_compress_debug_sections):
4942         Likewise.
4943         * testsuite/Makefile.in: Regenerated.
4944
4945 2008-04-02  David S. Miller  <davem@davemloft.net>
4946
4947         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
4948         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
4949
4950 2008-04-02  Craig Silverstein  <csilvers@google.com>
4951
4952         * TODO: New file.
4953
4954 2008-04-02  Ian Lance Taylor  <iant@google.com>
4955
4956         * fileread.cc (File_read::find_view): Add byteshift and vshifted
4957         parameters.  Update for new key type to views_.  Change all
4958         callers.
4959         (File_read::read): Adjust for byteshift in returned view.
4960         (File_read::add_view): New function, broken out of
4961         find_and_make_view.
4962         (File_read::make_view): New function, broken out of
4963         find_and_make_view.
4964         (File_read::find_or_make_view): Add offset and aligned
4965         parameters.  Rewrite accordingly.  Change all callers.
4966         (File_read::get_view): Add offset and aligned parameters.  Adjust
4967         for byteshift in return value.
4968         (File_read::get_lasting_view): Likewise.
4969         * fileread.h (class File_read): Update declarations.
4970         (class File_read::View): Add byteshift_ field.  Add byteshift to
4971         constructor.  Add byteshift method.
4972         * archive.h (Archive::clear_uncached_views): New function.
4973         (Archive::get_view): Add aligned parameter.  Change all callers.
4974         * object.h (Object::get_view): Add aligned parameter.  Change all
4975         callers.
4976         (Object::get_lasting_view): Likewise.
4977
4978         * fileread.cc (File_read::release): Don't call clear_views if
4979         there are multiple objects.
4980         * fileread.h (File_read::clear_uncached_views): New function.
4981         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
4982         on the archive.
4983
4984 2008-03-31  Cary Coutant  <ccoutant@google.com>
4985
4986         Add thin archive support.
4987         * archive.cc (Archive::armagt): New const.
4988         (Archive::setup): Remove task parameter and calls to unlock.
4989         (Archive::unlock_nested_archives): New function.
4990         (Archive::read_header): Add nested_off parameter. Change
4991         all callers.
4992         (Archive::interpret_header): Likewise.
4993         (Archive::include_all_members): Change to handle thin
4994         archives.
4995         (Archive::include_member): Likewise.
4996         * archive.h (Archive::Archive): Add new parameters and
4997         initializers.
4998         (Archive::armagt): New const.
4999         (Archive::setup): Remove task parameter.
5000         (Archive::unlock_nested_archives): New function.
5001         (Archive::read_header): Add nested_off parameter.
5002         (Archive::interpret_header): Likewise.
5003         (Archive::Nested_archive_table): New typedef.
5004         (Archive::is_thin_archive_): New field.
5005         (Archive::nested_archives_): New field.
5006         (Archive::options_): New field.
5007         (Archive::dirpath_): New field.
5008         (Archive::task_): New field.
5009         * readsyms.cc (Read_symbols::do_read_symbols): Add check
5010         for thin archives.  Pass additional parameters to
5011         Archive::Archive.  Unlock the archive file after calling
5012         Archive::setup.
5013
5014 2008-03-29  Ian Lance Taylor  <iant@google.com>
5015
5016         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
5017         version symbol to be local.
5018         * testsuite/ver_test_4.sh: New file.
5019         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
5020         (check_DATA): Add ver_test_4.syms.
5021         (ver_test_4.syms): New target.
5022         * testsuite/Makefile.in: Rebuild.
5023
5024         * output.cc
5025         (Output_section::Input_section_sort_entry::has_priority): New
5026         function.
5027         (Output_section::Input_section_sort_entry::match_file_name): New
5028         function.
5029         (Output_section::Input_section_sort_entry::match_section_name):
5030         Remove.
5031         (Output_section::Input_section_sort_entry::match_section_name_prefix):
5032         Remove.
5033         (Output_section::Input_section_sort_entry::match_section_file):
5034         Remove.
5035         (Output_section::Input_section_sort_compare::operator()): Rewrite
5036         using new Input_section_sort_entry functions.  Sort crtbegin and
5037         crtend first.  Sort sections with no priority before sections with
5038         a priority.
5039         * testsuite/initpri1.c (d3): Check j != 4.
5040         (cd5): New constructor/destructor function.
5041         (main): Check j != 2.
5042
5043         * symtab.cc (Symbol_table::add_from_object): If we don't use the
5044         new symbol when resolving, don't call set_is_default.
5045         * testsuite/ver_test_7.cc: New file.
5046         * testsuite/ver_test_7.sh: New file.
5047         * testsuite/Makefile.am (ver_test_7.so): New target.
5048         (ver_test_7.o): New target.
5049         (check_SCRIPTS): Add ver_test_7.sh.
5050         (check_DATA): Add ver_test_7.syms.
5051         (ver_test_7.syms): New target.
5052
5053 2008-03-28  Ian Lance Taylor  <iant@google.com>
5054
5055         * layout.cc (Layout::layout): If we see an input section with a
5056         name that needs sorting, set the must_sort flag for the output
5057         section.
5058         (Layout::make_output_section): If the name of the output section
5059         indicates that it might require sorting, set the may_sort flag.
5060         * output.h (Output_section::may_sort_attached_input_sections): New
5061         function.
5062         (Output_section::set_may_sort_attached_input_sections): New
5063         function.
5064         (Output_section::must_sort_attached_input_sections): New
5065         function.
5066         (Output_section::set_must_sort_attached_input_sections): New
5067         function.
5068         (class Output_section): Declare Input_section_sort_entry.  Define
5069         Input_section_sort_compare.  Declare
5070         sort_attached_input_sections.  Add new fields:
5071         may_sort_attached_input_sections_,
5072         must_sort_attached_input_sections_,
5073         attached_input_sections_are_sorted_.
5074         * output.cc (Output_section::Output_section): Initialize new
5075         fields.
5076         (Output_section::add_input_section): Add an entry to
5077         input_sections_ if may_sort or must_sort are true.
5078         (Output_section::set_final_data_size): Call
5079         sort_attached_input_sections if necessary.
5080         (Output_section::Input_section_sort_entry): Define new class.
5081         (Output_section::Input_section_sort_compare::operator()): New
5082         function.
5083         (Output_section::sort_attached_input_sections): New function.
5084         * configure.ac: Check whether the compiler supports constructor
5085         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
5086         * testsuite/initpri1.c: New file.
5087         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
5088         CONSTRUCTOR_PRIORITY.
5089         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
5090         (initpri1_LDFLAGS): New variable.
5091         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
5092
5093 2008-03-27  Ian Lance Taylor  <iant@google.com>
5094
5095         * common.cc (Sort_commons::operator): Correct sorting algorithm.
5096         * testsuite/common_test_1.c: New file.
5097         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
5098         (common_test_1_SOURCES): New variable.
5099         (common_test_1_DEPENDENCIES): New variable.
5100         (common_test_1_LDFLAGS): New variable.
5101
5102         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
5103         and commons_ correctly when NAME/VERSION does not override
5104         NAME/NULL.
5105         * testsuite/ver_test_6.c: New file.
5106         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
5107         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
5108         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
5109
5110 2008-03-26  Ian Lance Taylor  <iant@google.com>
5111
5112         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
5113         of an undefined symbol from a version script.
5114         * testsuite/Makefile.am (ver_test_5.so): New target.
5115         (ver_test_5.o): New target.
5116         (check_SCRIPTS): Add ver_test_5.sh.
5117         (check_DATA): Add ver_test_5.syms.
5118         (ver_test_5.syms): New target.
5119         * testsuite/ver_test_5.cc: New file.
5120         * testsuite/ver_test_5.script: New file.
5121         * testsuite/ver_test_5.sh: New file.
5122         * Makefile.in, testsuite/Makefile.in: Rebuild.
5123
5124         PR gold/5986
5125         Fix problems building gold with gcc 4.3.0.
5126         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
5127         (gold_error_at_location, gold_warning_at_location): Use it.
5128         * configure.ac: Check whether we can compile and use a template
5129         function with a printf attribute.
5130         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
5131         when jumping over bytes.
5132         * object.cc: Instantiate Object::read_section_data.
5133         * debug.h: Include <cstring>
5134         * dwarf_reader.cc: Include <algorithm>
5135         * main.cc: Include <cstring>.
5136         * options.cc: Include <cstring>.
5137         * output.cc: Include <cstring>.
5138         * script.cc: Include <cstring>.
5139         * script.h: Include <string>.
5140         * symtab.cc: Include <cstring> and <algorithm>.
5141         * target-select.cc: Include <cstring>.
5142         * version.cc: Include <string>.
5143         * testsuite/testmain.cc: Include <cstdlib>.
5144         * configure, config.in: Rebuild.
5145
5146 2008-03-25  Ian Lance Taylor  <iant@google.com>
5147
5148         * options.cc: Include "../bfd/bfdver.h".
5149         (options::help): Print bug reporting address.
5150
5151         * version.cc (print_version): Adjust output for current value of
5152         BFD_VERSION_STRING.
5153
5154         * NEWS: New file.
5155
5156         * options.cc (options::help): Print list of supported targets.
5157         * target-select.h: Include <vector>.
5158         (class Target_selector): Make machine_, size_, and is_big_endian_
5159         fields const.  Add bfd_name_ and instantiated_target_ fields.
5160         (Target_selector::Target_selector): Add bfd_name parameter.
5161         (Target_selector::recognize): Make non-virtual, call
5162         do_recognize.
5163         (Target_selector::recognize_by_name): Make non-virtual, call
5164         do_recognize_by_name.
5165         (Target_selector::supported_names): New function.
5166         (Target_selector::bfd_name): New function.
5167         (Target_selector::do_instantiate_target): New pure virtual
5168         function.
5169         (Target_selector::do_recognize): New virtual function.
5170         (Target_selector::do_recognize_by_name): New virtual function.
5171         (Target_selector::instantiate_target): New private function.
5172         (supported_target_names): Declare.
5173         * target-select.cc (Target_selector::Target_selector): Update for
5174         new parameter and fields.
5175         (select_target_by_name): Check that the name matches before
5176         calling recognize_by_name.
5177         (supported_target_names): New function.
5178         * i386.cc (class Target_selector_i386): Update Target_selector
5179         constructor call.  Remove recognize and recognize_by_name.  Add
5180         do_instantiate_target.
5181         * x86_64.cc (class Target_selector_x86_64): Likewise.
5182         * testsuite/testfile.cc (class Target_selector_test): Update for
5183         changes to Target_selector.
5184
5185         * README: Rewrite, with some notes on unsupported features.
5186
5187 2008-03-24  Cary Coutant  <ccoutant@google.com>
5188
5189         * i386.cc (Target_i386::Got_type): New enum declaration.
5190         (Target_i386::Scan::local): Updated callers of Output_data_got
5191         member functions.
5192         (Target_i386::Scan::global): Likewise.
5193         (Target_i386::Relocate::relocate): Likewise.
5194         (Target_i386::Relocate::relocate_tls): Likewise.
5195         * object.h (Got_offset_list): New class.
5196         (Sized_relobj::local_has_got_offset): Added got_type parameter.
5197         (Sized_relobj::local_got_offset): Likewise.
5198         (Sized_relobj::set_local_got_offset): Likewise.
5199         (Sized_relobj::local_has_tls_got_offset): Removed.
5200         (Sized_relobj::local_tls_got_offset): Removed.
5201         (Sized_relobj::set_local_tls_got_offset): Removed.
5202         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
5203         * output.cc (Output_data_got::add_global): Added got_type parameter.
5204         (Output_data_got::add_global_with_rel): Likewise.
5205         (Output_data_got::add_global_with_rela): Likewise.
5206         (Output_data_got::add_global_pair_with_rel): New function.
5207         (Output_data_got::add_global_pair_with_rela): New function.
5208         (Output_data_got::add_local): Added got_type parameter.
5209         (Output_data_got::add_local_with_rel): Likewise.
5210         (Output_data_got::add_local_with_rela): Likewise.
5211         (Output_data_got::add_local_pair_with_rel): New function.
5212         (Output_data_got::add_local_pair_with_rela): New function.
5213         (Output_data_got::add_global_tls): Removed.
5214         (Output_data_got::add_global_tls_with_rel): Removed.
5215         (Output_data_got::add_global_tls_with_rela): Removed.
5216         (Output_data_got::add_local_tls): Removed.
5217         (Output_data_got::add_local_tls_with_rel): Removed.
5218         (Output_data_got::add_local_tls_with_rela): Removed.
5219         * output.h (Output_data_got::add_global): Added got_type parameter.
5220         (Output_data_got::add_global_with_rel): Likewise.
5221         (Output_data_got::add_global_with_rela): Likewise.
5222         (Output_data_got::add_global_pair_with_rel): New function.
5223         (Output_data_got::add_global_pair_with_rela): New function.
5224         (Output_data_got::add_local): Added got_type parameter.
5225         (Output_data_got::add_local_with_rel): Likewise.
5226         (Output_data_got::add_local_with_rela): Likewise.
5227         (Output_data_got::add_local_pair_with_rel): New function.
5228         (Output_data_got::add_local_pair_with_rela): New function.
5229         (Output_data_got::add_global_tls): Removed.
5230         (Output_data_got::add_global_tls_with_rel): Removed.
5231         (Output_data_got::add_global_tls_with_rela): Removed.
5232         (Output_data_got::add_local_tls): Removed.
5233         (Output_data_got::add_local_tls_with_rel): Removed.
5234         (Output_data_got::add_local_tls_with_rela): Removed.
5235         * resolve.cc (Symbol::override_base_with_special): Removed
5236         reference to has_got_offset_ field.
5237         * symtab.cc (Symbol::init_fields): Replaced initialization
5238         of got_offset_ with got_offsets_.  Removed initialization
5239         of has_got_offset_
5240         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
5241         (Symbol::got_offset): Likewise.
5242         (Symbol::set_got_offset): Likewise.
5243         (Symbol::has_tls_got_offset): Removed.
5244         (Symbol::tls_got_offset): Removed.
5245         (Symbol::set_tls_got_offset): Removed.
5246         (Symbol::got_offset_): Removed.
5247         (Symbol::tls_mod_got_offset_): Removed.
5248         (Symbol::tls_pair_got_offset_): Removed.
5249         (Symbol::got_offsets_): New field.
5250         (Symbol::has_got_offset): Removed.
5251         (Symbol::has_tls_mod_got_offset): Removed.
5252         (Symbol::has_tls_pair_got_offset): Removed.
5253         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
5254         (Target_x86_64::Scan::local): Updated callers of Output_data_got
5255         member functions.
5256         (Target_x86_64::Scan::global): Likewise.
5257         (Target_x86_64::Relocate::relocate): Likewise.
5258         (Target_x86_64::Relocate::relocate_tls): Likewise.
5259
5260 2008-03-25  Ben Elliston  <bje@au.ibm.com>
5261
5262         * yyscript.y: Fix spelling error in comment.
5263
5264 2008-03-24  Ian Lance Taylor  <iant@google.com>
5265
5266         * options.h (class General_options): Define build_id option.
5267         * layout.h (class Layout): Declare write_build_id, create_note,
5268         create_build_id.  Add build_id_note_ member.
5269         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
5270         "libiberty.h", "md5.h", "sha1.h".
5271         (Layout::Layout): Initialize eh_frame_data_,
5272         eh_frame_hdr_section_, and build_id_note_.
5273         (Layout::finalize): Call create_build_id.
5274         (Layout::create_note): New function, broken out of
5275         Layout::create_gold_note.
5276         (Layout::create_gold_note): Call create_note.
5277         (Layout::create_build_id): New function.
5278         (Layout::write_build_id): New function.
5279         (Close_task_runner::run): Call write_build_id.
5280
5281         * x86_64.cc: Correct license to GPLv3.
5282
5283 2008-03-23  Ian Lance Taylor  <iant@google.com>
5284
5285         * options.cc: Include "demangle.h".
5286         (parse_optional_string): New function.
5287         (parse_long_option): Handle takes_optional_argument.
5288         (parse_short_option): Update dash_z initializer.  Handle
5289         takes_optional_argument.
5290         (General_options::General_options): Initialize do_demangle_.
5291         (General_options::finalize): Set do_demangle_.  Handle demangling
5292         style.
5293         * options.h (parse_optional_string): Declare.
5294         (struct One_option): Add optional_arg field.  Update constructor.
5295         Update call constructor calls.  Add takes_optional_argument
5296         function.
5297         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
5298         (DEFINE_optional_string): Define.
5299         (General_options::demangle): Change from DEFINE_bool to
5300         DEFINE_optional_string.
5301         (General_options::no_demangle): New function.
5302         (General_options::do_demangle): New function.
5303         (General_options::set_do_demangle): New function.
5304         (General_options::execstack_status_): Move definition to end of
5305         class definition.
5306         (General_options::static_): Likewise.
5307         (General_options::do_demangle_): New field.
5308         * object.cc (big_endian>::get_symbol_location_info): Call
5309         Options::do_demangle, not Options::demangle.
5310         * symtab.cc (demangle): Likewise.
5311
5312 2008-03-22  Ian Lance Taylor  <iant@google.com>
5313
5314         * gold.h: Include <cstddef> and <sys/types.h>
5315         * options.h: Include <cstring>.
5316
5317 2008-03-21  Ian Lance Taylor  <iant@google.com>
5318
5319         * Added source code to GNU binutils.