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