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