2009-12-05 Doug Kwan <dougkwan@google.com>
[external/binutils.git] / gold / ChangeLog
1 2009-12-05  Doug Kwan  <dougkwan@google.com>
2
3         * arm.cc (Target_arm::arm_info): Initialize new fields
4         attributes_section and attributes_vendor.
5         * i386.cc (Target_i386::i386_info): Same.
6         * object.cc (Sized_relobj::do_layout): Skip attribute section.
7         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
8         fields attributes_section and attributes_vendor.
9         * sparc.cc (Target_sparc::sparc_info): Same.
10         * target.h (Target::attributes_section, Target::attributes_vendor,
11         Target::is_attributes_section, Target::attribute_arg_type,
12         Target::attributes_order): New method definitions.
13         (Target::Target_info::attributes_section,
14         Target::Target_info::attributes_vendor): New fields.
15         (Target::do_attribute_arg_type, Target::do_attributes_order): New
16         virtual method definitions.
17         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
18         attributes_section and attributes_vendor.
19         * testsuite/testfile.cc (Target_test::test_target_info): Same.
20
21 2009-12-05  Doug Kwan  <dougkwan@google.com>
22
23         * arm.cc: Update comments about interworking and stub generation.
24         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
25         considered as non-PIC.
26         (Arm_relocate_functions::base_abs): Fix formatting.
27         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
28         of function to use GOT entry address instead of offset.
29         (Target_arm::Scan::global): Issue an error if a symbol would need a
30         PLT does not get one because it is untyped.  Remove code to create
31         dynamic symbols for relative branches.
32         (Target_arm::Relocate::relocate: Use 0 instead of false since function
33         takes unsigned integer instead of boolean.
34
35 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
36
37         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
38         (two_file_test_LDADD): Likewise.
39         (common_test_1_LDADD): Likewise.
40         (exception_test_LDADD) Likewise.
41         (weak_test_LDADD): Likewise.
42         (many_sections_test_LDADD): Likewise.
43         (initpri1_LDADD): Likewise.
44         (script_test_1_LDADD): Likewise.
45         (script_test_2_LDADD): Likewise.
46         (justsyms_LDADD): Likewise.
47         (binary_test_LDADD): Likewise.
48         (large_LDADD): Likewise.
49         * testsuite/Makefile.in: Regenerated.
50
51 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
52
53         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
54         (Symbol_table::override_with_special): Likewise.
55         (Symbol_table::add_from_object): Likewise.
56
57 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
58
59         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
60         Don't set the data_offset twice.
61
62 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
63
64         * testsuite/Makefile.in: Regenerate.
65
66 2009-12-03  Doug Kwan  <dougkwan@google.com>
67
68         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
69         (Target_arm::do_finalize_sections): Add parameter for symbol table
70         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
71         * i386.cc (Target_i386::do_finalize_sections): Add an additional
72         parameter for symbol table pointer.
73         * layout.cc (Layout::finalize): Call Target::finalize_sections with
74         an additional parameter for a pointer to symbol table.
75         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
76         parameter for a symbol table pointer.
77         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
78         * target.h (Target::finalize_sections, Target::do_finalize_sections):
79         Ditto.
80         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
81         parameter for a symbol table pointer.
82
83 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
84
85         * incremental.cc (Incremental_inputs_header)
86         (Incremental_inputs_header_write, Incremental_inputs_entry)
87         (Incremental_inputs_entry_write): Move ...
88         * incremental.h (Incremental_inputs_header)
89         (Incremental_inputs_header_write, Incremental_inputs_entry)
90         (Incremental_inputs_entry_write): here.
91
92 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
93
94         * incremental.cc (make_sized_incremental_binary): Set the target.
95         Error if it is incompatible.
96         * output.h (Output_file): Add filename method.
97
98 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
99
100         * incremental.cc (Incremental_inputs_entry): Remove unused argument
101         from the get_* methods.
102
103 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
104
105         * incremental-dump.cc (main): Check that the offeset of a script is 0.
106         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
107         Write 0 for the data_offset of scripts.
108
109 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
110
111         * testsuite/Makefile.am: Add the incremental_test.sh test.
112         * testsuite/incremental_test.sh: New.
113         * testsuite/incremental_test_1.c: New.
114         * testsuite/incremental_test_2.c: New.
115
116 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
117
118        * incremental-dump.cc (main): Fix typos.
119
120 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
121
122         PR gold/11025
123         * incremental-dump.cc (main): Use llu to print 64 bit values.
124
125 2009-11-26  Per Ã˜yvind Karlsen <peroyvind@mandriva.org>
126             H.J. Lu  <hongjiu.lu@intel.com>
127
128         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
129         $(LIBDL).
130         (incremental_dump_LDADD): Likewise.
131         * Makefile.in: Regenerated.
132
133 2009-11-25  Doug Kwan  <dougkwan@google.com>
134         
135         Revert:
136
137         2009-11-25  Doug Kwan  <dougkwan@google.com>
138
139                 * arm.cc (Target_arm::Target_arm): Move method definition
140                 outside of class definition.  Add code to handle
141                 --target1-rel, --target1-abs and --target2= options.
142                 (Target_arm::get_reloc_reloc_type): Change method to be
143                 non-static and const.
144                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
145                 New data member declaration.
146                 (Target_arm::Scan::local, Target_arm::Scan::global,
147                 Target_arm::Relocate::relocate,
148                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
149                 Adjust call to Target_arm::get_real_reloc_type.
150                 (Target_arm::get_real_reloc_type): Use command line options
151                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
152                 * options.h (--target1-rel, --target1-abs, --target2): New
153                 ARM-only options.
154
155 2009-11-25  Doug Kwan  <dougkwan@google.com>
156
157         * arm.cc (Target_arm::Target_arm): Move method definition outside of
158         class definition.  Add code to handle --target1-rel, --target1-abs
159         and --target2= options.
160         (Target_arm::get_reloc_reloc_type): Change method to be non-static
161         and const.
162         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
163         member declaration.
164         (Target_arm::Scan::local, Target_arm::Scan::global,
165         Target_arm::Relocate::relocate,
166         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
167         call to Target_arm::get_real_reloc_type.
168         (Target_arm::get_real_reloc_type): Use command line options to
169         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
170         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
171         options.
172
173 2009-11-25  Doug Kwan  <dougkwan@google.com>
174
175         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
176         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
177         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
178         formatting.
179         (Arm_relocate_functions::thm_call): Replace body with a call to
180         Arm_relocate_functions::thumb_branch_common.
181         (Arm_relocate_functions::thm_jump24,
182         Arm_relocate_functions::thm_xpc22): New method definitions.
183         (Arm_relocate_functions::thumb_branch_common): New method definition.
184         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
185         operator.
186         (Target_arm::Relocate::relocate): Adjust call to thm_call.
187         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
188
189 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
190
191         * Makefile.am: Build incremental-dump
192         * Makefile.in: Regenerate.
193         * incremental-dump.cc: New.
194         * incremental.cc (Incremental_inputs_header_data,
195         Incremental_inputs_entry_data): Move to incremental.h
196         * incremental.h: (Incremental_inputs_header_data,
197         Incremental_inputs_entry_data): Move from incremental.cc
198
199 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
200
201         * incremental.cc (Incremental_inputs_header,
202         Incremental_inputs_header_write, Incremental_inputs_entry,
203         Incremental_inputs_entry_write): Add a typedef with the data type.
204
205 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
206
207         * incremental.cc (Incremental_inputs_header,
208         Incremental_inputs_header_write, Incremental_inputs_entry,
209         Incremental_inputs_entry_write): Update comment about which
210         type has the filed descriptions.
211
212 2009-11-15  Doug Kwan  <dougkwan@google.com>
213
214         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
215         (Arm_relocate_functions::arm_branch_common): Change method defintion
216         in class definition to a method declaration and update list of formal
217         parameters.
218         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
219         Arm_relocation_functions::jump24): Adjust call to
220         Arm_relocate_functions::arm_branch_common.  Update list of formal
221         parameters.
222         (Arm_relocate_functions::xpc25): New method definition.
223         (Arm_relocate_functions::arm_branch_common): Move method defintion
224         out from class definition.  Use stubs for mode-switching and extending
225         branch ranges.
226         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
227         specially.  Change code to enable use of stubs in ARM branches.
228
229 2009-11-10  Doug Kwan  <dougkwan@google.com>
230
231         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
232         in method declaration.
233         (Target_arm::relocate_stub): New method declaration.
234         (Target_arm::default_target): Change to return a pointer instead of
235         a const reference.
236         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
237         Target_arm::default_target.
238         (Arm_Relobj::do_relocate_sections): Remove options paramater in
239         method definition.
240         (Target_arm::relocate_section): Adjust view.
241         (Target_arm::relocate_stub): New method definition.
242
243 2009-11-10  Doug Kwan  <dougkwan@google.com>
244
245         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
246         a format warning.
247         * incremental.cc (open_incremental_binary): Initialized local
248         variables to avoid warnings.
249         * object.cc (make_elf_object): Ditto.
250         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
251         a format warning.
252  
253 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
254
255         PR gold/10930
256         * testsuite/plugin_test.c: Include "config.h".
257
258 2009-11-09  Doug Kwan  <dougkwan@google.com>
259
260         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
261         (arm_symbol_value): Remove.
262         (Arm_relocate_functions::arm_branch_common,
263         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
264         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
265         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
266         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
267         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
268         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
269         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
270         Arm_relocate_functions::thm_mobw_abs_nc,
271         Arm_relocate_functions::thm_mov_abs,
272         Arm_relocate_functions::movw_prel_nc,
273         Arm_relocate_functions::thm_movt_abs,
274         Arm_relocate_functions::movt_prel,
275         Arm_relocate_functions::thm_movw_prel_nc,
276         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
277         (Target_arm::Relocate::relocate): Only decompose address into two
278         parts if relocation type uses the thumb-bit and pass the actual
279         bit instead of a flag indicating that the thumb-bit is used.  Adjust
280         calls to methods in Arm_relocate_functions for this change.
281
282 2009-11-08  Ian Lance Taylor  <ian@airs.com>
283
284         PR 10925
285         * reloc.cc: Instantiate
286         Sized_relobj::initialize_input_to_output_maps and
287         Sized_relobj:free_input_to_output_maps.
288
289 2009-11-06  Ian Lance Taylor  <iant@google.com>
290
291         PR 10876
292         * defstd.cc (in_segment): Set only_if_ref true for "end".
293
294 2009-11-06  Doug Kwan  <dougkwan@google.com>
295
296         * arm.cc (class Reloc_stub): Correct a comment.
297         (Target_arm::Target_arm): Initialize arm_input_section_map_.
298         (Target_arm::scan_section_for_stubs): New method declaration.
299         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
300         Change methods from private to protected.
301         (Target_arm::do_may_relax): New method definition.
302         (Target_arm::do_relax, Target_arm::group_sections,
303         Target_arm::scan_reloc_for_stub,
304         Target_arm::scan_reloc_section_for_stubs): New method declarations.
305         (Target_arm::arm_input_section_map_): New data member declaration.
306         (Target_arm::scan_reloc_for_stub,
307         Target_arm::scan_reloc_section_for_stubs,
308         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
309         Target_arm::do_relax): New method definitions.
310
311 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
312
313         * configure.ac: Check for (struct stat)::st_mtim
314         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
315         * config.in: Regenerate.
316         * configure: Regenerate.
317
318 2009-11-05  Ian Lance Taylor  <iant@google.com>
319
320         PR 10910
321         * output.cc (Output_segment::add_output_section): Add missing
322         return statement.
323
324 2009-11-04  Ian Lance Taylor  <iant@google.com>
325
326         PR 10880
327         * object.h (class Object): Add is_needed and set_is_needed
328         methods.  Add is_needed_ field.  Make bool fields into bitfields.
329         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
330         defined in a dynamic object and referenced by a regular object,
331         set is_needed for the dynamic object.
332         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
333         if the file is marked with as_needed and it is not needed.
334
335 2009-11-04  Ian Lance Taylor  <iant@google.com>
336
337         PR 10887
338         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
339         tags if data is discarded by linker script.
340         * i386.cc (Target_i386::do_finalize_sections): Likewise.
341         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
342         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
343         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
344
345 2009-11-04  Ian Lance Taylor  <iant@google.com>
346
347         * layout.cc (Layout::get_output_section): Add is_interp and
348         is_dynamic_linker_section parameters.  Change all callers.
349         (Layout::choose_output_section): Likewise.
350         (Layout::make_output_section): Likewise.
351         (Layout::add_output_section_data): Add is_dynamic_linker_section
352         parameter.  Change all callers.
353         * layout.h (class Layout): Update declarations.
354         * output.h (class Output_section): Add is_interp, set_is_interp,
355         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
356         Add is_interp_, is_dynamic_linker_section_ fields.  Change
357         generate_code_fills_at_write_ to a bitfield.
358         * output.cc (Output_section::Output_sections): Initialize new
359         fields.
360         (Output_segment::add_output_section): Add do_sort parameter.
361         Change all callers.
362
363 2009-11-03  Ian Lance Taylor  <iant@google.com>
364
365         PR 10860
366         * options.h (class General_options): Add --warn-common.
367         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
368         merging two common symbols.
369         (Symbol_table::should_override): Handle --warn-common when merging
370         a common symbol with a defined symbol.  Use report_resolve_problem
371         for multiple definitions.
372         (Symbol_table::report_resolve_problem): New function.
373         * symtab.h (class Symbol_table): Declare report_resolve_problem.
374
375 2009-11-03  Doug Kwan  <dougkwan@google.com>
376
377         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
378         stub_factory_.
379         (Target_arm::stub_factory): New method definition.
380         (Target_arm::new_arm_input_section,
381         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
382         Target_arm::reloc_uses_thumb_bit): New method declarations.
383         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map): 
384         New type definitions.
385         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
386         member declarations.
387         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
388         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
389         New method definitions.
390
391 2009-11-03  Ian Lance Taylor  <iant@google.com>
392
393         * options.h (class General_options): Add --warn_constructors.
394
395 2009-11-03  Ian Lance Taylor  <iant@google.com>
396
397         PR 10893
398         * defstd.cc (in_section): Add entries for __rel_iplt_start,
399         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
400
401 2009-11-03  Ian Lance Taylor  <iant@google.com>
402
403         PR 10895
404         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
405         --msgid-bugs-address.
406         (install-pdf): New target.
407         (install-data_yes): Look up one directory to find mkinstalldirs.
408
409 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
410
411         * po/Make-in (.po.gmo): Don't generate .gmo files in source
412         tree.
413
414 2009-10-30  Doug Kwan  <dougkwan@google.com>
415
416         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
417
418 2009-10-30  Doug Kwan  <dougkwan@google.com>
419
420         * arm.cc (Stub_addend_reader): New struct template definition
421         and partial specializations.
422         (Stub_addend_reader::operator()): New method definition for a
423         partially specialized template.
424
425 2009-10-30  Doug Kwan  <dougkwan@google.com>
426
427         * arm.cc (Arm_relobj::processor_specific_flags): New method
428         definition.
429         (Arm_relobj::do_read_symbols): New method declaration.
430         (Arm_relobj::processor_specific_flags_): New data member declaration.
431         (Arm_dynobj): New class definition.
432         (Target_arm::do_finalize_sections): Add input_objects parameter.
433         (Target_arm::do_adjust_elf_header): New method declaration.
434         (Target_arm::are_eabi_versions_compatible,
435         (Target_arm::merge_processor_specific_flags): New method declaration.
436         (Target_arm::do_make_elf_object): New overloaded method definitions
437         and declaration.
438         (Arm_relobj::do_read_symbols): New method definition.
439         (Arm_dynobj::do_read_symbols): Ditto.
440         (Target_arm::do_finalize_sections): Add input_objects parameters.
441         Merge processor-specific flags from all input objects.
442         (Target_arm::are_eabi_versions_compatible,
443         Target_arm::merge_processor_specific_flags,
444         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
445         New method definitions.
446         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
447         Input_objects pointer type parameter.
448         * layout.cc (Layout::finalize): Pass input objects to target's.
449         finalize_sections function.
450         * output.cc (Output_file_header::do_sized_write): Set ELF file
451         header's processor-specific flags.
452         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
453         Input_objects pointer type parameter.
454         * sparc.cc (Target_sparc::do_finalize_sections): Same.
455         * target.h (Input_objects): New forward class declaration.
456         (Target::processor_specific_flags,
457         Target::are_processor_specific_flags_sect): New method definitions.
458         (Target::finalize_sections): Add input_objects parameter.
459         (Target::Target): Initialize processor_specific_flags_ and
460         are_processor_specific_flags_set_.
461         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
462         parameter.
463         (Target::set_processor_specific_flags): New method definition.
464         (Target::processor_specific_flags_,
465         Target::are_processor_specific_flags_set_): New data member
466         declarations.
467         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
468         Input_objects pointer type parameter.
469
470 2009-10-30  Doug Kwan  <dougkwan@google.com>
471
472         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
473
474 2009-10-28  Ian Lance Taylor  <iant@google.com>
475
476         * object.h (class Relobj): Drop options parameter from
477         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
478         do_scan_relocs, do_relocate.  Change all callers.
479         (class Sized_relobj): Drop options parameters from
480         do_gc_process_relocs, do_scan_relocs, do_relocate,
481         do_relocate_sections, relocate_sections, emit_relocs_scan,
482         emit_relocs_scan_reltype.  Change all callers.
483         (struct Relocate_info): Remove options field and all references to
484         it.
485         * reloc.h (class Read_relocs): Remove options constructor
486         parameter and options_ field.  Change all callers.
487         (class Gc_process_relocs, class Scan_relocs): Likewise.
488         (class Relocate_task): Likewise.
489         * target-reloc.h (scan_relocs): Remove options parameter.  Change
490         all callers.
491         (scan_relocatable_relocs): Likewise.
492         * target.h (class Sized_target): Remove options parameter from
493         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
494         all callers.
495         * gc.h (gc_process_relocs): Remove options parameter.  Change all
496         callers.
497         * arm.cc: Update functions to remove options parameters.
498         * i386.cc: Likewise.
499         * powerpc.cc: Likewise.
500         * sparc.cc: Likewise.
501         * x86_64.cc: Likewise.
502         * testsuite/testfile.cc: Likewise.
503
504 2009-10-28  Doug Kwan  <dougkwan@google.com>
505
506         * arm.cc (Arm_relobj): New class definition.
507         (Arm_relobj::scan_sections_for_stubs, 
508         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
509         New method definitions.
510
511 2009-10-28  Cary Coutant  <ccoutant@google.com>
512
513         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
514         (Plugin::cleanup_done_): New member.
515         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
516         (Plugin_manager::cleanup_done_): Remove.
517         (Plugin_manager::add_input_file): Edit error message.
518         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
519         (Plugin_manager::cleanup): Remove use of cleanup_done_.
520
521 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
522
523         * fileread.cc: (File_read::View::~View): Use the new
524         data_ownership_ filed.
525         (File_read::~File_read): Dispose the new whole_file_view_.
526         (File_read::open): Mmap the whole file if needed.
527         (File_read::open): Use whole_file_view_ instead of contents_.
528         (File_read::find_view): Use whole_file_view_ if applicable.
529         (File_read::do_read): Use whole_file_view_ instead of contents_.
530         (File_read::make_view): Use whole_file_view_ instead of contents_,
531         update File_read::View::View call.
532         (File_read::find_or_make_view): Update File_read::View::View
533         call.
534         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
535         remove contents_
536         (File_read::View::Data_ownership): New enum.
537         (File_read::View::View): Replace bool mapped_ with Data_ownership
538         argument.
539         (File_read::View::mapped_): Remove (replaced by data_ownership_).
540         (File_read::View::data_ownership_): New field.
541         (File_read::contents_): Remove (replaced by whole_file_view_).
542         (File_read::whole_file_view_): New field.
543         * options.h (class General_options): Add --keep-files-mapped.
544
545 2009-10-27  Cary Coutant  <ccoutant@google.com>
546
547         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
548         * testsuite/Makefile.am (plugin_test_5): New test case.
549         * testsuite/Makefile.in: Regenerate.
550
551 2009-10-25  Doug Kwan  <dougkwan@google.com>
552
553         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
554         from private to protected to allow access by child class.
555         (Sized_relobj::do_relocate_sections): New method declaration.
556         (Sized_relobj::relocate_sections): Virtualize.
557         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from 
558         Sized_relobj::relocate_sections.  Instantiate template explicitly
559         for different target sizes and endianity.
560
561 2009-10-24  Doug Kwan  <dougkwan@google.com>
562
563         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
564         (Arm_input_section::as_arm_input_section): New method.
565         (Arm_output_section): New class definition.
566         (Arm_output_section::create_stub_group,
567         Arm_output_section::group_sections): New method definitions.
568
569 2009-10-22  Doug Kwan  <dougkwan@google.com>
570
571         * arm.cc (Arm_input_section): New class definition.
572         (Arm_input_section::init, Arm_input_section:do_write,
573         Arm_input_section::set_final_data_size,
574         Arm_input_section::do_reset_address_and_file_offset): New method
575         definitions.
576
577 2009-10-21  Doug Kwan  <dougkwan@google.com>
578
579         * arm.cc (Stub_table, Arm_input_section): New forward class
580         declarations.
581         (Stub_table): New class defintion.
582         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
583         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
584         New method definition.
585
586 2009-10-21  Doug Kwan  <dougkwan@google.com>
587
588         * arm.cc: Update copyright comments.
589         (Target_arm): New forward class template declaration.
590         (Arm_address): New type.
591         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
592         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
593         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
594         constants.
595         (Insn_template): Same.
596         (DEF_STUBS): New macro.
597         (Stub_type): New enum type.
598         (Stub_template): New class definition.
599         (Stub): Same.
600         (Reloc_stub): Same.
601         (Stub_factory): Same.
602         (Target_arm::Target_arm): Initialize may_use_blx_ and
603         should_force_pic_veneer_.
604         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
605         Target_arm::should_force_pic_veneer,
606         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
607         Target_arm::using_thumb_only, Target_arm:;default_target): New
608         method defintions.
609         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
610         New data member declarations.
611         (Insn_template::size, Insn_template::alignment): New method defintions.
612         (Stub_template::Stub_template): New method definition.
613         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
614         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
615         (Stub_factory::Stub_factory): New method definition.
616         * gold.h (string_hash): New template.
617         * output.h (Input_section_specifier::hash_value): Use
618         gold::string_hash.
619         (Input_section_specifier::string_hash): Remove.
620         * stringpool.cc (Stringpool_template::string_hash): Use
621         gold::string_hash.
622
623 2009-10-20  Doug Kwan  <dougkwan@google.com>
624
625         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
626         symbols of relaxed input sections.
627         * output.h (Output_section::find_relaxed_input_section): Make
628         method public.
629
630 2009-10-16  Doug Kwan  <dougkwan@google.com>
631
632         * dynobj.cc (Versions::Versions): Initialize version_script_.
633         Only insert base version symbol definition for a shared object
634         if version script defines any version versions.
635         (Versions::define_base_version): New method definition.
636         (Versions::add_def): Check that base version is not needed.
637         (Versions::add_need): Define base version lazily.
638         * dynobj.h (Versions::define_base_version): New method declaration.
639         (Versions::needs_base_version_): New data member declaration.
640         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
641         (check_DATA): Add no_version_test.stdout.
642         (libno_version_test.so, no_version_test.o no_version_test.stdout):
643         New make rules.
644         * testsuite/Makefile.in: Regenerate.
645         * testsuite/no_version_test.c: New file.
646         * testsuite/no_version_test.sh: Ditto.
647
648 2009-10-16  Doug Kwan  <dougkwan@google.com>
649
650         * expression.cc (class Segment_start_expression): New class definition.
651         (Segment_start_expression::value): New method definition.
652         (script_exp_function_segment_start): Return a new
653         Segment_start_expression.
654         * gold/script-c.h (script_saw_segment_start_expression): New function
655         prototype.
656         * script-sections.cc (Script_sections::Script_sections): Initialize
657         SAW_SEGMENT_START_EXPRESSION_ to false.
658         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
659         and -Tbbs options to specify section addresses if given in
660         command line and no SEGMENT_START expression is seen in a script.
661         * script-sections.h (Script_sections::saw_segment_start_expression,
662         Script_sections::set_saw_segment_start_expression): New method
663         definition.
664         (Script_sections::saw_segment_start_expression_): New data member
665         declaration.
666         * script.cc (script_saw_segment_start_expression): New function.
667         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
668         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
669         script_test_7.sh and script_test_8.sh.
670         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
671         script_test_8.stdout.
672         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
673         (script_test_6, script_test_6.stdout, script_test_7,
674         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
675         * Makefile.in: Regenerate.
676         * testsuite/script_test_6.sh: New file.
677         * testsuite/script_test_6.t: Same.
678         * testsuite/script_test_7.sh: Same.
679         * testsuite/script_test_7.t: Same.
680         * testsuite/script_test_8.sh: Same.
681
682 2009-10-16  Doug Kwan  <dougkwan@google.com>
683
684         * output.cc (Output_segment::set_section_list_address): Cast
685         expressions to unsigned long long type to avoid format warnings.
686
687 2009-10-15  Ian Lance Taylor  <iant@google.com>
688
689         * script.cc (Script_options::add_symbol_assignment): Always add a
690         dot assignment to script_sections_.
691         * script-sections.cc (Script_sections::add_dot_assignment):
692         Initialize if necessary.
693
694         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
695         program headers with no load segment if there is a linker script.
696
697         * layout.cc (Layout::set_segment_offsets): Align the file offset
698         to the segment aligment for -N or -n with no load segment.
699         * output.cc (Output_segment::add_output_section): Don't crash if
700         the first section is a TLS section.
701         (Output_segment::set_section_list_addresses): Print an error
702         message if the address moves backward in a linker script.
703         * script-sections.cc
704         (Output_section_element_input::set_section_addresses): Don't
705         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
706         (Orphan_output_section::set_section_addresses): Likewise.
707
708 2009-10-15  Doug Kwan  <dougkwan@google.com>
709
710         * layout.cc (Layout::finish_dynamic_section): Generate tags
711         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
712         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
713         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
714
715 2009-10-14  Ian Lance Taylor  <iant@google.com>
716
717         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
718         fields.
719         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
720         data_shdr fields of relinfo.
721         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
722         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
723         R_386_TLS_LDO_32, adjust based on section flags.
724         (Target_i386::Relocate::fix_up_ldo): Remove.
725
726 2009-10-13  Ian Lance Taylor  <iant@google.com>
727
728         Add support for -pie.
729         * options.h (class General_options): Add -pie and
730         --pic-executable.
731         (General_options::output_is_position_independent): Test -pie.
732         (General_options::output_is_executable): Return true if not shared
733         and not relocatable.
734         (General_options::output_is_pie): Remove.
735         * options.cc (General_options::finalize): Reject incompatible uses
736         of -pie.
737         * gold.cc (queue_middle_tasks): A -pie link is not static.
738         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
739         * symtab.cc (Symbol::final_value_is_known): Return false if
740         output_is_position_independent.
741         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
742         output_is_position_independent.
743         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
744         output_is_position_independent.
745         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
746         output_is_position_independent.
747         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
748         two_file_pie_test.
749         (basic_pie_test.o, basic_pie_test): New targets.
750         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
751         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
752         (two_file_pie_test): New target.
753         * testsuite/Makefile.in: Rebuild.
754         * README: Remove note saying that -pie is not supported.
755
756 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
757
758         * options.h (class General_options): Add -init and -fini.
759         * layout.cc (Layout::finish_dynamic_section): Emit
760         given init and fini functions.
761
762 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
763
764         * gc.h (gc_process_relocs): Check if icf is enabled using new
765         function.
766         * gold.cc (queue_initial_tasks): Likewise.
767         (queue_middle_tasks): Likewise.
768         * object.cc (do_layout): Likewise.
769         * symtab.cc (is_section_folded): Likewise.
770         * main.cc (main): Likewise.
771         * reloc.cc (Read_relocs::run): Likewise.
772         (Sized_relobj::do_scan_relocs): Likewise.
773         * icf.cc (is_function_ctor_or_dtor): New function.
774         (Icf::find_identical_sections): Check if function is ctor or dtor when
775         safe icf is chosen.
776         * options.h (General_options::icf): Change option to be an enum.
777         (Icf_status): New enum.
778         (icf_enabled): New method.
779         (icf_safe_folding): New method.
780         (set_icf_status): New method.
781         (icf_status_): New variable.
782         * (options.cc) (General_options::finalize): Set icf_status_.
783         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
784         icf_test and icf_keep_unique_test to use the --icf enum flag.
785         * testsuite/icf_safe_test.sh: New file.
786         * testsuite/icf_safe_test.cc: New file. 
787
788 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
789
790         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
791         includes to gc.h and icf.h.
792         * arm.cc: Include gc.h.
793         * gold.cc: Likewise.
794         * i386.cc: Likewise.
795         * powerpc.cc: Likewise.
796         * sparc.cc: Likewise.
797         * x86_64.cc: Likewise.
798         * gc.h: Include icf.h.
799
800 2009-10-11  Ian Lance Taylor  <iant@google.com>
801
802         * plugin.cc: Include "gold.h" before other header files.
803
804 2009-10-10  Chris Demetriou  <cgd@google.com>
805
806         * options.h (Input_file_argument::Input_file_type): New enum.
807         (Input_file_argument::is_lib_): Replace with...
808         (Input_file_argument::type_): New member.
809         (Input_file_argument::Input_file_argument): Take Input_file_type
810         'type' rather than boolean 'is_lib' as second argument.
811         (Input_file_argument::is_lib): Use type_.
812         (Input_file_argument::is_searched_file): New function.
813         (Input_file_argument::may_need_search): Handle is_searched_file.
814         * options.cc (General_options::parse_library): Support -l:filename.
815         (General_options::parse_just_symbols): Update for Input_file_argument
816         changes.
817         (Command_line::process): Likewise.
818         * archive.cc (Archive::get_file_and_offset): Likewise.
819         * plugin.cc (Plugin_manager::release_input_file): Likewise.
820         * script.cc (read_script_file, script_add_file): Likewise.
821         * fileread.cc (Input_file::Input_file): Likewise.
822         (Input_file::will_search_for): Handle is_searched_file.
823         (Input_file::open): Likewise.
824         * readsyms.cc (Read_symbols::get_name): Likewise.
825         * testsuite/Makefile.am (searched_file_test): New test.
826         * testsuite/Makefile.in: Regenerate.
827         * testsuite/searched_file_test.cc: New file.
828         * testsuite/searched_file_test_lib.cc: New file.
829
830 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
831             Ian Lance Taylor  <iant@google.com>
832
833         * descriptor.cc: Include <cstdio> and "binary-io.h".
834         (Descriptors::open): Open the files in binary mode always.
835         * script.cc (Lex::get_token): Treat \r as whitespace.
836
837 2009-10-09  Ian Lance Taylor  <iant@google.com>
838
839         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
840
841 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
842             Ian Lance Taylor  <iant@google.com>
843
844         * configure.ac: Check for readv function also.
845         * fileread.cc (readv): Define if not HAVE_READV.
846         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
847         does not exist.
848         * config.in: Regenerate.
849         * configure: Regenerate.
850
851 2009-10-09  Doug Kwan  <dougkwan@google.com>
852
853         * layout.cc (Layout::make_output_section): Call target hook to make
854         ordinary output section.
855         (Layout::finalize): Adjust parameter list of call the
856         Target::may_relax().
857         * layout.h (class Layout::section_list): New method.
858         * merge.h (Output_merge_base::entsize): Change visibility to public.
859         (Output_merge_base::is_string, Output_merge_base::do_is_string):
860         New methods.
861         (Output_merge_string::do_is_string): New method.
862         * object.cc (Sized_relobj::do_setup): renamed from
863         Sized_relobj::set_up.
864         * object.h (Sized_relobj::adjust_shndx,
865         Sized_relobj::initializ_input_to_output_maps,
866         Sized_relobj::free_input_to_output_maps): Change visibilities to
867         protected.
868         (Sized_relobj::setup): Virtualize.
869         (Sized_relobj::do_setup): New method declaration.
870         (Sized_relobj::invalidate_section_offset,
871         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
872         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
873         * options.cc (parse_int): New function.
874         * options.h (parse_int): New declaration.
875         (DEFINE_int): New macro.
876         (stub_group_size): New option.
877         * output.cc (Output_section::Output_section): Initialize memebers
878         merge_section_map_, merge_section_by_properties_map_,
879         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
880         (Output_section::add_input_section): Handled deferred code-fill
881         generation and remove an old comment.
882         (Output_section::add_relaxed_input_section): New method definition.
883         (Output_section::add_merge_input_section): Use merge section by
884         properties map to speed to search.  Update merge section maps
885         as appropriate.
886         (Output_section::build_relaxation_map): New method definition.
887         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
888         Same.
889         (Output_section::relax_input_section): Renamed to
890         Output_section::convert_input_sections_to_relaxed_sections and change
891         interface to take a vector of pointers to relaxed sections.
892         (Output_section::find_merge_section,
893         Output_section::find_relaxed_input_section): New method definitions.
894         (Output_section::is_input_address_mapped,
895         Output_section::output_offset, Output_section::output_address):
896         Use output section data maps to speed up searching.
897         (Output_section::find_starting_output_address): Add comments.
898         (Output_section::do_write,
899         Output_section::write_to_postprocessing_buffer): Do code-fill
900         generation as appropriate.
901         (Output_section::get_input_sections): Invalidate relaxed input section
902         map.
903         (Output_section::restore_states): Adjust type of checkpoint .
904         Invalidate relaxed input section map.
905         * output.h (Output_merge_base): New class declaration.
906         (Input_section_specifier): New class defintion.
907         (class Output_relaxed_input_section) Change base class to
908         Output_section_data_build.
909         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
910         base class initializer.
911         (Output_section::add_relaxed_input_section): New method declaration.
912         (Output_section::Input_section): Change visibility to protected.
913         (Output_section::Input_section::relobj,
914         Output_section::Input_section::shndx): Handle relaxed input sections.
915         Output_section::input_sections) Change visibility to protected.  Also
916         define overload to return a non-const pointer.
917         (Output_section::Merge_section_properties): New class defintion.
918         (Output_section::Merge_section_by_properties_map,
919         Output_section::Output_section_data_by_input_section_map,
920         Output_section::Relaxation_map): New types.
921         (Output_section::relax_input_section): Rename method to
922         Output_section::convert_input_sections_to_relaxed_sections and change
923         interface to take a vector of relaxed section pointers.
924         (Output_section::find_merge_section,
925         Output_section::find_relaxed_input_section,
926         Output_section::build_relaxation_map,
927         Output_section::convert_input_sections_in_list_to_relaxed_sections):
928         New method declarations.
929         (Output_section::merge_section_map_
930         Output_section::merge_section_by_properties_map_,
931         Output_section::relaxed_input_section_map_,
932         Output_section::is_relaxed_input_section_map_valid_,
933         Output_section::generate_code_fills_at_write_): New data members.
934         * script-sections.cc
935         (Output_section_element_input::set_section_addresses): Call
936         current_data_size and addralign methods of relaxed input sections.
937         (Orphan_output_section::set_section_addresses): Call current_data_size
938         and addralign methods of relaxed input sections.
939         * symtab.cc (Symbol_table::compute_final_value): Extract template
940         from the body of Symbol_table::sized_finalize_symbol.
941         (Symbol_table::sized_finalized_symbol): Call
942         Symbol_table::compute_final_value.
943         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
944         (Symbol_table::compute_final_value): New templated method declaration.
945         * target.cc (Target::do_make_output_section): New method defintion.
946         * target.h (Target::make_output_section): New method declaration.
947         (Target::relax): Add more parameters for input objects, symbol table
948         and layout.  Adjust call to do_relax.
949         (Target::do_make_output_section): New method declaration.
950         (Target::do_relax): Add parameters for input objects, symbol table
951         and layout.
952
953 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
954
955         * pread.c: Include stdio.h.
956
957 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
958
959         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
960         defined.
961
962 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
963
964         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
965         Change read_shndx type to unsigned int.
966         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
967         int.
968         (Sized_dwarf_line_info::read_line_mappings): Likewise.
969         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
970         Change read_shndx type to unsigned int.
971         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
972         int.
973         (Sized_dwarf_line_info::read_line_mappings): Likewise.
974         * layout.cc (Layout::create_symtab_sections): Cast the result of
975         local_symcount * symsize to off_t in the gold_assert.
976
977 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
978
979         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
980         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
981         R_ARM_BASE_ABS.
982         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
983         (Arm_relocate_functions::thm_abs5): New function.
984         (Arm_relocate_functions::abs12): New function.
985         (Arm_relocate_functions::abs16): New function.
986         (Arm_relocate_functions::base_abs): New function.
987         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
988         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
989         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
990         R_ARM_BASE_ABS.
991         (Scan::global): Likewise.
992         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
993         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
994         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
995         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
996         R_ARM_BASE_ABS.
997
998 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
999
1000         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
1001         (Arm_relocate_functions::movt_prel): New function.
1002         (Arm_relocate_functions::thm_movw_prel_nc): New function.
1003         (Arm_relocate_functions::thm_movt_prel): New function.
1004         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
1005         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
1006         (Scan::global, Relocate::relocate): Likewise.
1007         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
1008
1009 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
1010
1011         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
1012         Incremental_checker.
1013         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
1014         unsigned int.
1015         (class Incremental_inputs_header): New class.
1016         (Incremental_inputs_header_writer): Edit comment.
1017         (Incremental_inputs_entry): New class.
1018         (Incremental_inputs_entry_writer): Edit comment.
1019         (Sized_incremental_binary::do_find_incremental_inputs_section):
1020         Add *strtab_shndx parameter, fill it.
1021         (Sized_incremental_binary::do_check_inputs): New method.
1022         (Incremental_checker::can_incrementally_link_output_file): Use
1023         Sized_incremental_binary::check_inputs.
1024         (Incremental_inputs::report_command_line): Save command line in
1025         command_line_.
1026         * incremental.h:
1027         (Incremental_binary::find_incremental_inputs_section): New
1028         method.
1029         (Incremental_binary::do_find_incremental_inputs_section): Add
1030         strtab_shndx parameter.
1031         (Incremental_binary::do_check_inputs): New pure virtual method.
1032         (Sized_incremental_binary::do_check_inputs): Declare.
1033         (Incremental_checker::Incremental_checker): Add incremental_inputs
1034         parameter, use it to initialize incremental_inputs_.
1035         (Incremental_checker::incremental_inputs_): New field.
1036         (Incremental_checker::command_line): New method.
1037         (Incremental_checker::inputs): New method.
1038         (Incremental_checker::command_line_): New field.
1039
1040 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
1041
1042         * incremental.cc: Include <cstdarg> and "target-select.h".
1043         (vexplain_no_incremental): New function.
1044         (explain_no_incremental): New function.
1045         (Incremental_binary::error): New method.
1046         (Sized_incremental_binary::do_find_incremental_inputs_section): New
1047         method.
1048         (make_sized_incremental_binary): New function.
1049         (open_incremental_binary): New function.
1050         (can_incrementally_link_file): Add checks if output is ELF and has
1051         inputs section.
1052         * incremental.h: Include "elfcpp_file.h" and "output.h".
1053         (Incremental_binary): New class.
1054         (Sized_incremental_binary): New class.
1055         (open_incremental_binary): Declare.
1056         * object.cc (is_elf_object): Use
1057         elfcpp::Elf_recognizer::is_elf_file.
1058         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
1059         * output.h (Output_file::filesize): New method.
1060
1061 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1062
1063         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
1064         New function.
1065         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
1066         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
1067         function.
1068         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
1069         function.
1070         (Arm_relocate_functions::movw_abs_nc): New function.
1071         (Arm_relocate_functions::movt_abs): New function.
1072         (Arm_relocate_functions::thm_movw_abs_nc): New function.
1073         (Arm_relocate_functions::thm_movt_abs): New function.
1074         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
1075         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
1076         (Scan::global): Likewise.
1077         (Relocate::relocate): Likewise.
1078         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
1079
1080 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1081
1082         * arm.cc (Arm_relocate_functions::got_prel) New function.
1083         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
1084         (Relocate::relocate): Likewise.
1085         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
1086
1087 2009-10-06  Ian Lance Taylor  <iant@google.com>
1088
1089         * options.h (class General_options): Define
1090         split_stack_adjust_size parameter.
1091         * object.h (class Object): Add uses_split_stack_ and
1092         has_no_split_stack_ fields.  Add uses_split_stack and
1093         has_no_split_stack accessor functions.  Declare
1094         handle_split_stack_section.
1095         (class Reloc_symbol_changes): Define.
1096         (class Sized_relobj): Define Function_offsets.  Declare
1097         split_stack_adjust, split_stack_adjust_reltype, and
1098         find_functions.
1099         * object.cc (Object::handle_split_stack_section): New function.
1100         (Sized_relobj::do_layout): Call handle_split_stack_section.
1101         * dynobj.cc (Sized_dynobj::do_layout): Call
1102         handle_split_stack_section.
1103         * reloc.cc (Sized_relobj::relocate_sections): Call
1104         split_stack_adjust for executable sections in split_stack
1105         objects.  Pass reloc_map to relocate_section.
1106         (Sized_relobj::split_stack_adjust): New function.
1107         (Sized_relobj::split_stack_adjust_reltype): New function.
1108         (Sized_relobj::find_functions): New function.
1109         * target-reloc.h: Include "object.h".
1110         (relocate_section): Add reloc_symbol_changes parameter.  Change
1111         all callers.
1112         * target.h (class Target): Add calls_non_split method.  Declare
1113         do_calls_non_split virtual method.  Declare match_view and
1114         set_view_to_nop.
1115         * target.cc: Include "elfcpp.h".
1116         (Target::do_calls_non_split): New function.
1117         (Target::match_view): New function.
1118         (Target::set_view_to_nop): New function.
1119         * gold.cc (queue_middle_tasks): Give an error if mixing
1120         split-stack and non-split-stack objects with -r.
1121         * i386.cc (Target_i386::relocate_section): Add
1122         reloc_symbol_changes parameter.
1123         (Target_i386::do_calls_non_split): New function.
1124         * x86_64.cc (Target_x86_64::relocate_section): Add
1125         reloc_symbol_changes parameter.
1126         (Target_x86_64::do_calls_non_split): New function.
1127         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
1128         parameter.
1129         * powerpc.cc (Target_powerpc::relocate_section): Add
1130         reloc_symbol_changes parameter.
1131         * sparc.cc (Target_sparc::relocate_section): Add
1132         reloc_symbol_changes parameter.
1133         * configure.ac: Call AM_CONDITIONAL for the default target.
1134         * configure: Rebuild.
1135         * testsuite/Makefile.am (TEST_AS): New variable.
1136         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
1137         (check_DATA): Add split_i386 and split_x86_64 files.
1138         (SPLIT_DEFSYMS): Define.
1139         (split_i386_[1234n].o): New targets.
1140         (split_i386_[124]): New targets.
1141         (split_i386_[1234r].stdout): New targets.
1142         (split_x86_64_[1234n].o): New targets.
1143         (split_x86_64_[124]): New targets.
1144         (split_x86_64_[1234r].stdout): New targets.
1145         (MOSTLYCLEANFILES): Add new executables.
1146         * testsuite/split_i386.sh: New file.
1147         * testsuite/split_x86_64.sh: New file.
1148         * testsuite/split_i386_1.s: New file.
1149         * testsuite/split_i386_2.s: New file.
1150         * testsuite/split_i386_3.s: New file.
1151         * testsuite/split_i386_4.s: New file.
1152         * testsuite/split_i386_n.s: New file.
1153         * testsuite/split_x86_64_1.s: New file.
1154         * testsuite/split_x86_64_2.s: New file.
1155         * testsuite/split_x86_64_3.s: New file.
1156         * testsuite/split_x86_64_4.s: New file.
1157         * testsuite/split_x86_64_n.s: New file.
1158         * testsuite/testfile.cc (Target_test): Update relocation_section
1159         function.
1160         * testsuite/Makefile.in: Rebuild.
1161
1162 2009-10-06  Ian Lance Taylor  <iant@google.com>
1163
1164         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
1165         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
1166         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
1167         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
1168         the address on ldo_addrs_.
1169         (Target_i386::Relocate::fix_up_ldo): New function.
1170
1171 2009-10-06   Rafael Espindola  <espindola@google.com>
1172
1173         * plugin.cc (add_input_library): New.
1174         (Plugin::load): Add add_input_library to tv.
1175         (Plugin_manager::add_input_file): Add the is_lib argument.
1176         (add_input_file): Update call to Plugin_manager::add_input_file.
1177         (add_input_library): New.
1178         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
1179
1180 2009-09-30  Doug Kwan  <dougkwan@google.com>
1181
1182         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
1183         symbol and call Symbol::may_need_copy_reloc to determine if
1184         a copy reloc is needed.
1185         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
1186         nocopyreloc is given in command line.
1187         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
1188         given in command line.
1189         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
1190         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
1191         of the removed Target_i386::may_need_copy_reloc.
1192         * options.h (copyreloc): New option with default value false.
1193         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
1194         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
1195         instead of the removed Target_powerpc::may_need_copy_reloc.
1196         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
1197         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
1198         instead of the removed Target_sparc::may_need_copy_reloc.
1199         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
1200         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
1201         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
1202         instead of the removed Target_x86_64::may_need_copy_reloc.
1203
1204 2009-09-30  Ian Lance Taylor  <iant@google.com>
1205
1206         * object.h (class Object): Remove target_ field, and target,
1207         sized_target, and set_target methods.
1208         (Object::sized_target): Remove.
1209         (class Sized_relobj): Update declarations.  Remove sized_target.
1210         * object.cc (Sized_relobj::setup): Remove target parameter.
1211         Change all callers.
1212         (Input_objects::add_object): Don't do anything with the target.
1213         (make_elf_sized_object): Add punconfigured parameter.  Change all
1214         callers.  Set or test parameter target.
1215         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
1216         Change all callers.
1217         * parameters.cc (Parameters::set_target): Change parameter type to
1218         be non-const.
1219         (Parameters::default_target): Remove.
1220         (set_parameters_target): Change parameter type to be non-const.
1221         (parameters_force_valid_target): New function.
1222         (parameters_clear_target): New function.
1223         * parameters.h (class Parameters): Update declarations.  Remove
1224         default_target method.  Add sized_target and clear_target
1225         methods.  Change target_ to be non-const.
1226         (set_parameters_target): Update declaration.
1227         (parameters_force_valid_target): Declare.
1228         (parameters_clear_target): Declare.
1229         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
1230         as NULL if we aren't searching.
1231         (Add_symbols::run): Don't check for compatible target.
1232         * fileread.cc (Input_file::open_binary): Call
1233         parameters_force_valid_target.
1234         * gold.cc (queue_middle_tasks): Likewise.
1235         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
1236         set_target on object.
1237         * dynobj.h (class Sized_dynobj): Update declarations.
1238         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
1239         make_elf_object returns NULL.
1240         (Archive::include_member): Don't check whether object target is
1241         compatible.
1242         * output.cc (Output_section::add_input_section): Get target from
1243         parameters.
1244         (Output_section::relax_input_section): Likewise.
1245         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
1246         parameters.
1247         (Sized_relobj::do_scan_relocs): Likewise.
1248         (Sized_relobj::relocate_sections): Likewise.
1249         * resolve.cc (Symbol_table::resolve): Likewise.
1250         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
1251         parameter.  Change all callers.
1252         (Symbol_table::add_from_object): Get target from parameters.
1253         (Symbol_table::add_from_relobj): Don't check object target.
1254         (Symbol_table::add_from_dynobj): Likewise.
1255         (Symbol_table::define_special_symbol): Get target from
1256         parameters.
1257         * symtab.h (class Symbol_table): Update declaration.
1258         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
1259         parameter.  Change all callers.  Clear parameter target.
1260         (Binary_test): Test target here.
1261         * testsuite/object_unittest.cc (gold_testsuite): Remove
1262         target_test_pointer parameter.  Change all callers.
1263         (Object_test): Test target here.
1264
1265 2009-09-26  Ian Lance Taylor  <iant@google.com>
1266
1267         * testsuite/initpri1.c: Don't try to use constructor priorities if
1268         compiling with gcc before 4.3.
1269
1270 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
1271
1272         * testsuite/retain_symbols_file_test.sh (check_present): Change
1273         output file name to retain_symbols_file_test.stdout.
1274         (check_absent): Likewise.
1275
1276 2009-09-18  Craig Silverstein  <csilvers@google.com>
1277
1278         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
1279         * options.cc: Include <cerrno> and <fstream>.
1280         (General_options::finalize): Parse -retain-symbols-file tag.
1281         * options.h: New flag.
1282         (General_options): New method should_retain_symbol, new
1283         variable symbols_to_retain.
1284         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
1285         should_retain_symbol map.
1286         * testsuite/Makefile.am (retain_symbols_file_test): New test.
1287         * testsuite/Makefile.in: Regenerate.
1288         * testsuite/retain_symbols_file_test.sh: New file.
1289
1290 2009-09-18  Nick Clifton  <nickc@redhat.com>
1291
1292         * po/es.po: Updated Spanish translation.
1293
1294 2009-09-17  Doug Kwan  <dougkwan@google.com>
1295
1296         * debug.h (DEBUG_RELAXATION): New constant.
1297         (DEBUG_ALL): Add DEBUG_RELAXATION.
1298         (debug_string_to_enum): Add relaxation debug option.
1299         * layout.cc
1300         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
1301         Layout::Relaxation_debug_check::read_sections,
1302         Layout::Relaxation_debug_check::read_sections): New method definitions.
1303         (Layout::Layout): Initialize data members
1304         record_output_section_data_from_scrips_,
1305         script_output_section_data_list_ and relaxation_debug_check_.
1306         (Layout::save_segments, Layout::restore_segments,
1307         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
1308         Layout::relaxation_loop_body): New method definitions.
1309         (Layout::finalize): Support relaxation.  Move section layout code to
1310         Layout::relaxation_loop_body.
1311         (Layout::set_asection_address_from_script): Move code for orphan
1312         section placement out.
1313         (Layout::place_orphan_sections_in_script): New method definition.
1314         * layout.h (Output_segment_headers, Output_file_header):
1315         New forward class declarations.
1316         (Layout::~Layout): Define.
1317         (Layout::new_output_section_data_from_script): New method definition.
1318         (Layout::place_orphan_sections_in_script): New method declaration.
1319         (Layout::Segment_states): New type declaration.
1320         (Layout::save_segments, Layout::restore_segments,
1321         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
1322         Layout::relaxation_loop_body): New method declarations.
1323         (Layout::Output_section_data_list): New type declaration.
1324         (Layout::Relaxation_debug_check): New class definition.
1325         (Layout::record_output_section_data_from_script_,
1326         Layout::script_output_section_data_list_, Layout::segment_states_,
1327         Layout::relaxation_debug_check_): New data members.
1328         * output.cc: (Output_section_headers::do_size): New method definition.
1329         (Output_section_headers::Output_section_headers): Move size
1330         computation to Output_section_headers::do_size.
1331         (Output_segment_headers::do_size): New method definition.
1332         (Output_file_header::Output_file_header): Move size computation to 
1333         Output_file_header::do_size and call it.
1334         (Output_file_header::do_size): New method definition.
1335         (Output_data_group::Output_data_group): Adjust call to
1336         Output_section_data.
1337         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
1338         (Output_symtab_xindex::do_write): Add array bound check.
1339         (Output_section::Input_section::print_to_mapfile): Handle
1340         RELAXED_INPUT_SECTION_CODE.
1341         (Output_section::Output_section): Initialize data member checkpoint_.
1342         (Output_section::~Output_section): Delete checkpoint object pointed
1343         by checkpoint_.
1344         (Output_section::add_input_section): Always add an Input_section if
1345         relaxing.
1346         (Output_section::add_merge_input_section): Add assert.
1347         (Output_section::relax_input_section): New method definition.
1348         (Output_section::set_final_data_size): Set load address to zero for
1349         an unallocated section.
1350         (Output_section::do_address_and_file_offset_have_reset_values):
1351         New method definition.
1352         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
1353         Handle relaxed input section.
1354         (Output_section::sort_attached_input_sections): Checkpoint input
1355         section list lazily.
1356         (Output_section::get_input_sections): Change type of input_sections to
1357         list of Simple_input_section pointers.  Checkpoint input section list
1358         lazily.  Also handle relaxed input sections.
1359         (Output_section::add_input_section_for_script): Take a reference to
1360         a Simple_input_section object instead of Relobj pointer and section
1361         index as parameter.  Handle relaxed input sections.
1362         (Output_section::save_states, Output_section::restore_states): New
1363         method definitions.
1364         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
1365         (Output_data::is_data_size_fixed): New method definition.
1366         (Output_data::reset_addresss_and_file_offset): Do not reset data size
1367         if it is fixed.
1368         (Output_data::address_and_file_offset_have_reset_values): New method
1369         definition.
1370         (Output_data::do_address_and_file_offset_have_reset_values): New method
1371         definition.
1372         (Output_data::set_data_size): Check that data size is not fixed.
1373         (Output_data::fix_data_size): New method definition.
1374         (Output_data::is_data_size_fixed_): New data member.
1375         (Output_section_headers::set_final_data_size): New method definition.
1376         (Output_section_headers::do_size): New method declaration.
1377         (Output_segment_headers::set_final_data_size): New method definition.
1378         (Output_segment_headers::do_size): New method declaration.
1379         (Output_file_header::set_final_data_size)::New method definition.
1380         (Output_file_header::do_size)::New method declaration.
1381         (Output_section_data::Output_section_data): Add new parameter
1382         is_data_size_fixed and use it to fix data size.
1383         (Output_data_const::Output_data_const): Adjust call to base class
1384         constructor and fix data size.
1385         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
1386         base class constructor and fix data size.
1387         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
1388         base class constructor and fix data size.
1389         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
1390         class constructor and fix data size.
1391         (Output_data_group::set_final_data_size): New method definition.
1392         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
1393         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
1394         class constructor and fix data size.
1395         (Output_relaxed_input_section): New class definition.
1396         (Output_section::Simple_input_section): New class definition.
1397         (Output_section::get_input_sections): Adjust parameter list.
1398         (Output_section::add_input_section_for_script): Same.
1399         (Output_section::save_states, Output_section::restore_states,
1400         Output_section::do_address_and_file_offset_have_reset_values,
1401         (Output_section::Input_section::Input_section): Handle
1402         RELAXED_INPUT_SECTION_CODE.  Add new overload for
1403         Output_relaxed_input_section.
1404         (Output_section::Input_section::is_input_section,
1405         Output_section::Input_section::set_output_section): Handle relaxed
1406         input section.
1407         (Output_section::Input_section::is_relaxed_input_section,
1408         Output_section::Input_section::output_section_data,
1409         Output_section::Input_section::relaxed_input_section): New method
1410         definitions.
1411         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
1412         value.
1413         (Output_section::Input_section::u1_): Update comments.
1414         (Output_section::Input_section::u2_): Add new union member poris.
1415         (Output_section::Checkpoint_output_section): New classs definition.
1416         (Output_section::relax_input_section): New method declaration.
1417         (Output_section::checkpoint_): New data member.
1418         (Output_segment): Update comments.
1419         (Output_segment::Output_segment): Un-privatize copy constructor.
1420         (Output_segment::operator=): Un-privatize.
1421         * script-sections.cc (Output_section_element::Input_section_list):
1422         Change element type to Output_section::Simple_input_section.
1423         (Output_section_element_dot_assignment::set_section_addresses):
1424         Register output section data for relaxation clean up.
1425         (Output_data_exression::Output_data_expression): Adjust call to base
1426         constructor to fix data size.
1427         (Output_section_element_data::set_section_addresses): Register
1428         Output_data_expression object for relaxation clean up.
1429         (struct Input_section_info): Replace Relobj pointer and section index
1430         pair with Output_section::Simple_input_section and Convert struct to a
1431         class.
1432         (Input_section_sorter::operator()): Adjust access to
1433         Input_section_info data member to use accessors. 
1434         (Output_section_element_input::set_section_addresses): Use layout
1435         parameter.  Adjust code to use Output_section::Simple_input_section
1436         and Input_secction_info classes.  Register filler for relaxation
1437         clean up.
1438         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
1439         and section index pair with Output_section::Simple_input_section
1440         class.  Adjust code accordingly.
1441         (Phdrs_element::release_segment): New method definition.
1442         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
1443         segment list.
1444         (Script_sections::release_segments): New method definition.
1445         * gold/script-sections.h (Script_sections::release_segments): New
1446         method declaration.
1447         * gold/target.h (Target::may_relax, Target::relax,
1448         Target::do_may_relax, Target::do_relax): New method definitions.
1449
1450 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1451
1452         * arm.cc (has_signed_unsigned_overflow): New function.
1453         (Arm_relocate_functions::abs8): New function.
1454         (Target_arm::Scan::local): Handle R_ARM_ABS8.
1455         (Target_arm::Scan::global): Likewise.
1456         (Target_arm::relocate::relocate): Likewise.
1457         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1458         Likewise.
1459
1460 2009-09-16  Cary Coutant  <ccoutant@google.com>
1461
1462         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
1463         * testsuite/Makefile.in: Regenerate.
1464
1465 2009-09-11  Nick Clifton  <nickc@redhat.com>
1466
1467         * po/gold.pot: Updated by the Translation project.
1468
1469 2009-09-08  Cary Coutant  <ccoutant@google.com>
1470
1471         * output.cc (Output_file::open): Add execute permission to empty file.
1472         * testsuite/Makefile.am (permission_test): New test.
1473         * testsuite/Makefile.in: Regenerate.
1474
1475 2009-09-02  Ian Lance Taylor  <iant@google.com>
1476
1477         * output.cc (Output_file::resize): Call map_no_anonymous rather
1478         than map.
1479
1480 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
1481
1482         * gold.cc: Include "incremental.h".
1483         (queue_initial_tasks): Call Incremental_checker methods.
1484         * incremental.cc: Include "output.h".
1485         (Incremental_checker::can_incrementally_link_output_file): New
1486         method.
1487         * incremental.h (Incremental_checker): New class.
1488
1489         * output.cc (Output_file::open_for_modification): New method.
1490         (Output_file::map_anonymous): Changed return type to bool.  Record
1491         map in base_ field.
1492         (Output_file::map_no_anonymous): New method, broken out of map.
1493         (Output_file::map): Use map_no_anonymous and map_anonymous.
1494         * output.h (class Output_file): Update declarations.
1495
1496 2009-08-24  Cary Coutant  <ccoutant@google.com>
1497
1498         * options.h (Command_line::Pre_options): New class.
1499         (Command_line::pre_options): New member.
1500         * options.cc (gold::options::ready_to_register): New variable.
1501         (One_option::register_option): Do nothing if not registering options.
1502         Assert if same short option registered twice.
1503         (General_options::General_options): Turn off option registration when
1504         done constructing.
1505         (Command_line::Pre_options::Pre_options): New constructor.
1506
1507 2009-08-24  Cary Coutant  <ccoutant@google.com>
1508
1509         * options.h (General_options::no_keep_memory): Remove incorrect
1510         short option.
1511
1512 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1513
1514         * Makefile.am (am__skiplex, am__skipyacc): New.
1515         * Makefile.in: Regenerate.
1516
1517 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1518
1519         * Makefile.am (AM_CPPFLAGS): Renamed from ...
1520         (INCLUDES): ... this.
1521         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
1522         (AM_CPPFLAGS): Renamed from ...
1523         (INCLUDE): ... this.
1524         * Makefile.in, testsuite/Makefile.in: Regenerate.
1525
1526         * Makefile.in: Regenerate.
1527         * aclocal.m4: Likewise.
1528         * config.in: Likewise.
1529         * configure: Likewise.
1530         * testsuite/Makefile.in: Likewise.
1531
1532         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
1533         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
1534         * Makefile.in: Regenerate.
1535         * testsuite/Makefile.in: Regenerate.
1536
1537 2009-08-19  Cary Coutant  <ccoutant@google.com>
1538
1539         * resolve.cc (Symbol_table::resolve): Don't complain about defined
1540         symbols in shared libraries overridden by hidden or internal symbols
1541         in the main program.
1542
1543 2009-08-19  Chris Demetriou  <cgd@google.com>
1544
1545         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
1546         checking source file names in error messages.
1547
1548 2009-08-18  Doug Kwan  <dougkwan@google.com>
1549
1550         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
1551         an elcpp::Ehdr as parameter.  Adjust call to set_target.
1552         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
1553         an elfcpp::Ehdr as parameter.
1554         * object.cc (Object::set_target): Remove the version that looks up
1555         a target and sets it.
1556         (Sized_relobj::setup): Take a Target object instead of
1557         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
1558         (make_elf_sized_object): Find target and ask target to
1559         make an ELF object.
1560         * object.h: (Object::set_target): Remove the version that looks up
1561         a target and sets it.
1562         (Sized_relobj::setup): Take a Target object instead of
1563         an elfcpp:Ehdr as parameter.
1564         * target.cc: Include dynobj.h.
1565         (Target::do_make_elf_object_implementation): New.
1566         (Target::do_make_elf_object): New.
1567         * target.h (Target::make_elf_object): New template declaration.
1568         (Target::do_make_elf_object): New method declarations.
1569         (Target::do_make_elf_object_implementation): New template declaration.
1570
1571 2009-08-14  Ian Lance Taylor  <iant@google.com>
1572
1573         * gold.h (FUNCTION_NAME): Define.
1574         (gold_unreachable): Use FUNCTION_NAME.
1575
1576 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
1577
1578         * icf.cc (Icf::find_identical_sections): Issue a warning when a
1579         symbol in the --keep-unique list is not found.
1580
1581 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
1582
1583         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
1584         been maked as --keep-unique.
1585         (Icf::unfold_section): New function.
1586         * icf.h (Icf::unfold_section): New function.
1587         * options.h (General_options::keep_unique): New option.
1588         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
1589         * testsuite/Makefile.in: Regenerate.
1590         * testsuite/icf_keep_unique_test.sh: New file.
1591         * testsuite/icf_keep_unique_test.cc: New file.
1592
1593 2009-08-12  Cary Coutant  <ccoutant@google.com>
1594
1595         PR 10471
1596         * resolve.cc (Symbol_table::resolve): Check for references from
1597         dynamic objects to hidden and internal symbols.
1598         * testsuite/Makefile.am (hidden_test.sh): New test.
1599         * testsuite/Makefile.in: Regenerate.
1600         * testsuite/hidden_test.sh: New script.
1601         * testsuite/hidden_test_1.c: New test source.
1602         * testsuite/hidden_test_main.c: New test source.
1603
1604 2009-08-11  Doug Kwan  <dougkwan@google.com>
1605
1606         * arm.cc: Update comments.
1607         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
1608         segment to locate the .ARM.exidx section if present.
1609
1610 2009-08-09  Doug Kwan  <dougkwan@google.com>
1611
1612         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
1613         patch.
1614
1615 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
1616         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
1617         compiler warnings.
1618
1619 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
1620
1621         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
1622         valid tls_segment only for non-debug-section relocations.
1623         * testsuite/Makefile.am: Add gc_tls_test.
1624         * testsuite/Makefile.in: Regenerate.
1625         * testsuite/gc_tls_test.cc: New file.
1626         * testsuite/gc_tls_test.sh: New file.
1627
1628 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
1629         
1630         * icf.cc: New file.
1631         * icf.h: New file.
1632         * Makefile.am (CCFILES): Add icf.cc.
1633         (HFILES): Add icf.h
1634         * Makefile.in: Regenerate.
1635         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
1636         * gc.h (gc_process_relocs): Populate lists used by icf to contain
1637         section, symbol and addend information for the relocs.
1638         * gold.cc (queue_middle_tasks): Call identical code folding.
1639         * gold.h: Add defines for multimap.
1640         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
1641         to the call of finalize_local_symbols.
1642         * main.cc (main): Create object of class Icf.
1643         * object.cc (Sized_relobj::do_layout): Allow this function to be
1644         called twice during icf.
1645         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
1646         to sections marked as identical by icf.
1647         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
1648         when available.
1649         (Sized_relobj::do_section_entsize): New function.
1650         * object.h (Object::section_entsize): New function.
1651         (Object::do_section_entsize): New pure virtual function.
1652         (Relobj::finalize_local_symbols): Add new parameter.
1653         (Relobj::do_section_entsize): New function.
1654         * options.h (General_options::icf): New option.
1655         (General_options::icf_iterations): New option.
1656         (General_options::print_icf_sections): New option.
1657         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
1658         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
1659         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
1660         icf.
1661         * symtab.cc (Symbol_table::is_section_folded): New function.
1662         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
1663         to sections marked as identical by icf.
1664         * symtab.h (Symbol_table::set_icf): New function.
1665         (Symbol_table::icf): New function.
1666         (Symbol_table::is_section_folded): New function.
1667         (Symbol_table::icf_): New data member.
1668         * target-reloc.h (relocate_section): Ignore sections folded by icf.
1669         * testsuite/Makefile.am: Add commands to build icf_test.
1670         * testsuite/Makefile.in: Regenerate.
1671         * testsuite/icf_test.sh: New file.
1672         * testsuite/icf_test.cc: New file.
1673
1674 2009-07-24  Chris Demetriou  <cgd@google.com>
1675
1676         * layout.cc (is_compressible_debug_section): Fix incorrect
1677         comment about compressed section names.
1678
1679 2009-07-20  Ian Lance Taylor  <ian@airs.com>
1680
1681         PR 10419
1682         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
1683
1684 2009-07-16  Ian Lance Taylor  <iant@google.com>
1685
1686         PR 10400
1687         * layout.h: #include <map>.
1688         (class Kept_section): Change from struct to class.  Add accessors
1689         and setters.  Add section size to Comdat_group mapping.  Change
1690         Comdat_group to std::map.  Add is_comdat_ field.  Add
1691         linkonce_size field in union.
1692         (class Layout): Update declaration of find_or_add_kept_section.
1693         Don't declare find_kept_object.
1694         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
1695         parameter.  Add object, shndx, is_comdat, and is_group_name
1696         parameters.  Change all callers.  Adjust for new Kept_section.
1697         (Layout::find_kept_object): Remove.
1698         * object.cc (Sized_relobj::include_section_group): Update use of
1699         Kept_section.  Rename secnum to shndx.  Only record
1700         Kept_comdat_section if sections are the same size.
1701         (Sized_relobj::include_linkonce_section): Update use of
1702         Kept_section.  Only record Kept_comdat_section if sections are the
1703         same size.  Set size of linkonce section.
1704         (Sized_relobj::map_to_kept_section): Update call to
1705         get_kept_comdat_section.
1706         * object.h (class Sized_relobj): Rename fields in
1707         Kept_comdat_section to drop trailing underscores; change object
1708         field to Relobj*.  Change Kept_comdat_section_table to store
1709         struct rather than pointer.
1710         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
1711         Add kept_object and kept_shndx parameters.  Change all callers.
1712         (Sized_relobj::get_kept_comdat_section): Change return type to
1713         bool.  Add kept_object and kept_shndx parameters.  Change all
1714         callers.
1715         * plugin.cc (Pluginobj::include_comdat_group): Update call to
1716         Layout::find_or_add_kept_section.
1717
1718 2009-07-09  Ian Lance Taylor  <iant@google.com>
1719
1720         * merge.cc (Object_merge_map::initialize_input_to_output_map):
1721         Reserve space in the hash table.
1722
1723 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
1724
1725         * fileread.cc (File_read::get_mtime): New method.
1726         * fileread.h (Timespec): New structure.
1727         (File_read::get_mtime): New method.
1728         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
1729         Renamed from timestamp_nsec.
1730         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
1731         Elf_Xword.
1732         (Incremental_inputs_entry_write::timestamp_usec): Renamed from 
1733         timestamp_nsec.
1734         (Incremental_inputs::report_archive): Save mtime; style fix. 
1735         (Incremental_inputs::report_obejct): Save mtime; style fix.
1736         (Incremental_inputs::report_script): Save mtime; style fix.
1737         (Incremental_inputs::finalize_inputs): Style fix.
1738         (Incremental_inputs::finalize): Style fix.
1739         (Incremental_inputs::create_input_section_data): Store inputs
1740         mtime.
1741         * incremental.h (Incremental_inputs::report_script): Add mtime
1742         argument.
1743         (Incremental_inputs::Input_info::Input_info): Intialize only one
1744         union member.
1745         (Incremental_inputs::Input_info::archive): Move to nameless
1746         union.
1747         (Incremental_inputs::Input_info::obejct): Move to nameless union.
1748         (Incremental_inputs::Input_info::script): Move to nameless union.
1749         (Incremental_inputs::mtime): New field.
1750         * script.cc (read_input_script): Pass file mtime to
1751         Incremental_input.
1752         * script.h (Script_info::inputs): Style fix.
1753
1754 2009-07-01  Ian Lance Taylor  <ian@airs.com>
1755
1756         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
1757         instead of 32.
1758
1759 2009-06-24  Ian Lance Taylor  <iant@google.com>
1760
1761         PR 10156
1762         * layout.cc (Layout::choose_output_section): If we find an
1763         existing section, update the flags.
1764         (Layout::create_notes): New function, broken out of
1765         Layout::finalize.
1766         (Layout::finalize): Don't create note sections.
1767         (Layout::create_note): Don't crash if linker script discards
1768         section.
1769         (Layout::create_gold_note): Likewise.
1770         (Layout::create_build_id): Likewise.  Don't set
1771         after_input_sections on the section.
1772         (Layout::create_executable_stack_info): Remove target parameter.
1773         Change caller.
1774         * layout.h (class Layout): Declare create_notes.  Update
1775         declaration of create_executable_stack_info.
1776         * gold.cc (queue_middle_tasks): Call create_notes.
1777         * output.cc (Output_section::update_flags_for_input_section): Move
1778         here from output.h.  If SHF_ALLOC flag is newly set, mark address
1779         invalid.
1780         * output.h (Output_data::mark_address_invalid): New function.
1781         (class Output_section): Only declare, not define,
1782         update_flags_for_input_section.  Remove set_flags.
1783
1784 2009-06-24  Ian Lance Taylor  <iant@google.com>
1785
1786         * script-sections.cc (Output_section_definition::
1787         set_section_addresses): Rename shadowing local load_address to
1788         laddr.
1789
1790 2009-06-24  Ian Lance Taylor  <iant@google.com>
1791
1792         PR 10244
1793         * reloc.cc (relocate_sections): Skip empty relocation sections.
1794
1795 2009-06-23  Ian Lance Taylor  <iant@google.com>
1796
1797         PR 10156
1798         * layout.cc (Layout::create_note): Use choose_output_section
1799         rather than make_output_section.
1800
1801 2009-06-23  Ian Lance Taylor  <iant@google.com>
1802
1803         PR 10237
1804         * options.cc (General_options::parse_V): Set printed_version_.
1805         (General_options::General_options): Initialize printed_version_.
1806         * options.h (class General_options): Add printed_version_ field.
1807         * gold.cc (queue_initial_tasks): If there are no input files,
1808         don't give a fatal error if we printed the version information.
1809         (queue_middle_tasks): If using -r with a shared object, give a
1810         fatal error rather than an ordinary error.
1811
1812 2009-06-23  Ian Lance Taylor  <iant@google.com>
1813
1814         PR 10219
1815         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
1816         (Layout::make_output_section): Set have_stabstr_section_ if we see
1817         a .stab*str section.
1818         (Layout::finalize): Call link_stabs_sections.
1819         (Layout::link_stabs_sections): New file.
1820         * layout.h (class Layout): Add have_stabstr_section_ field.
1821         Declare link_stabs_sections.
1822
1823 2009-06-23  Doug Kwan  <dougkwan@google.com>
1824
1825         * Makefile.am (libgold_a_LIBADD): New.
1826         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
1827         * Makefile.in: Regenerate.
1828         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
1829         * configure: Regenerate.
1830         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
1831         * fileread.cc: Include sys/state.h
1832         * gold.h: Declare memmem and strndup if found missing.
1833         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
1834
1835 2009-06-23  Ian Lance Taylor  <iant@google.com>
1836
1837         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
1838         * configure: Rebuild.
1839
1840 2009-06-23  Ian Lance Taylor  <iant@google.com>
1841
1842         PR 10147
1843         * object.cc (Object::section_contents): Don't try to get a view if
1844         the section has length zero.
1845         (Object::handle_gnu_warning_section): If the section is empty, use
1846         the name of the section as the warning.
1847
1848 2009-06-23  Ian Lance Taylor  <iant@google.com>
1849
1850         PR 10133
1851         * stringpool.h (class Stringpool_template): Add optimize_ field.
1852         (Stringpool_template::set_optimize): New function.
1853         * stringpool.cc (Stringpool_template::Stringpool_template):
1854         Initialize optimize_ field.
1855         (Stringpool_template::set_string_offsets): Test local optimize
1856         fild rather than parameter.
1857         * layout.cc (Layout::Layout): Call set_optimize on the section
1858         name stringpool.
1859
1860 2009-06-22  Ian Lance Taylor  <iant@google.com>
1861
1862         PR 10030
1863         * yyscript.y: Parse TARGET.
1864         * script.cc (script_set_target): New function.
1865         * script-c.h (script_set_target): Declare.
1866         * options.cc (General_options::string_to_object_format): Rename
1867         from string_to_object_format in anonymous namespace.  Change
1868         callers.
1869         * options.h (class General_options): Declare
1870         string_to_object_format.
1871
1872 2009-06-22  Ian Lance Taylor  <iant@google.com>
1873
1874         * script-sections.cc (Script_sections::create_segments): Don't put
1875         program headers in a PT_LOAD segment if -n or -N.
1876
1877 2009-06-22  Ian Lance Taylor  <iant@google.com>
1878
1879         PR 10141
1880         * options.h (class General_options): Add -z lazy and -z now.  Sort
1881         -z options into alphabetical order.
1882         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
1883
1884 2009-06-21  Ian Lance Taylor  <iant@google.com>
1885
1886         * layout.cc (Layout::make_output_section): Call
1887         Target::new_output_section.
1888         (Layout::attach_allocated_section_to_segment): Put large section
1889         sections in a separate load segment with the large segment flag
1890         set.
1891         (Layout::segment_precedes): Sort large data segments after other
1892         load segments.
1893         (align_file_offset): New static function.
1894         (Layout::set_segment_offsets): Use align_file_offset.
1895         * output.h (class Output_section): Add is_small_section_ and
1896         is_large_section_ fields.
1897         (Output_section::is_small_section): New function.
1898         (Output_section::set_is_small_section):  New function.
1899         (Output_section::is_large_section): New function.
1900         (Output_section::set_is_large_section): New function.
1901         (Output_section::is_large_data_section): New function.
1902         (class Output_segment): Add is_large_data_segment_ field.
1903         (Output_segment::is_large_data_segment): New function.
1904         (Output_segment::set_is_large_data_segment): New function.
1905         * output.cc (Output_section::Output_section): Initialize new
1906         fields.
1907         (Output_segment::Output_segment): Likewise.
1908         (Output_segment::add_output_section): Add assertion that large
1909         data sections always go in large data segments.  Force small data
1910         sections to the end of the list of data sections.  Force small BSS
1911         sections to the start of the list of BSS sections.  For large BSS
1912         sections to the end of the list of BSS sections.
1913         * symtab.h (class Symbol): Declare is_common_shndx.
1914         (Symbol::is_defined): Check Symbol::is_common_shndx.
1915         (Symbol::is_common): Likewise.
1916         (class Symbol_table): Define enum Commons_section_type.  Update
1917         declarations.  Add small_commons_ and large_commons_ fields.
1918         * symtab.cc (Symbol::is_common_shndx): New function.
1919         (Symbol_table::Symbol_table): Initialize new fields.
1920         (Symbol_table::add_from_object): Put small and large common
1921         symbols in the right list.
1922         (Symbol_table::sized_finalized_symbol): Check
1923         Symbol::is_common_shndx.
1924         (Symbol_table::sized_write_globals): Likewise.
1925         * common.cc (Symbol_table::do_allocate_commons): Allocate new
1926         common symbol lists.  Don't call do_allocate_commons_list if the
1927         list is empty.
1928         (Symbol_table::do_allocate_commons_list): Remove is_tls
1929         parameter.  Add comons_section_type parameter.  Change all
1930         callers.  Handle small and large common symbols.
1931         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
1932         Symbol::is_common_shndx.
1933         * resolve.cc (symbol_to_bits): Likewise.
1934         * target.h (Target::small_common_shndx): New function.
1935         (Target::small_common_section_flags): New function.
1936         (Target::large_common_shndx): New function.
1937         (Target::large_common_section_flags): New function.
1938         (Target::new_output_section): New function.
1939         (Target::Target_info): Add small_common_shndx, large_common_shndx,
1940         small_common_section_flags, and large_common_section_flags
1941         fields.
1942         (Target::do_new_output_section): New virtual function.
1943         * arm.cc (Target_arm::arm_info): Initialize new fields.
1944         * i386.cc (Target_i386::i386_info): Likewise.
1945         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
1946         Likewise.
1947         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
1948         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
1949         (Target_x86_64::do_new_output_section): New function.
1950         * configure.ac: Define conditional MCMODEL_MEDIUM.
1951         * testsuite/Makefile.am (check_PROGRAMS): Add large.
1952         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
1953         (large_LDFLAGS): Define.
1954         * testsuite/large.c: New file.
1955         * testsuite/testfile.cc (Target_test::test_target_info):
1956         Initialize new fields.
1957         * configure, testsuite/Makefile.in: Rebuild.
1958
1959 2009-06-05  Doug Kwan  <dougkwan@google.com>
1960
1961         * Makefile.am (CCFILES): Add target.cc.
1962         * Makefile.in: Regenerate. 
1963         * i386.cc (class Target_i386): Define new virtual method to
1964         override do_is_local_label_name in parent.
1965         * object.cc (Sized_relobj::do_count_local_symbols): Discard
1966         local symbols if --discard-locals or -X is given.
1967         * options.h (class General_options): Declare new options
1968         '--discard-locals' and '-X' for discarding locals.
1969         * target.h (class Target): Define new methods is_local_label_name.
1970         Declare new virtual method do_is_local_label_name.
1971         * target.cc: New file.
1972         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
1973         (check_SCRIPTS): Add discard_locals_test.sh.
1974         (check_DATA): Add discard_local_tests.syms.
1975         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
1976         (discard_local_tests.syms, discard_locals_test.o): New make rules.
1977         * testsuite/Makefile.in: Regenerate.
1978         * testsuite/discard_locals_test.c: New file.
1979         * testsuite/discard_locals_test.sh: Same.
1980
1981 2009-06-05  Doug Kwan  <dougkwan@google.com>
1982
1983         * object.cc (Sized_relobj::Sized_relobj): Initialize
1984         discarded_eh_frame_shndx_ to -1U.
1985         (Sized_relobj::do_layout): Record index of a discard .eh_frame
1986         section.
1987         (Sized_relobj::do_count_local_symbols): Skip local symbols in
1988         a discarded .eh_frame section.
1989         (Sized_relobj::do_finalize_local_symbols): Ditto.
1990         * object.h (class Sized_relobj): Declare new member
1991         discarded_eh_frame_shndx_.
1992         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
1993         (local_labels_test.o, local_labels_test): New rules.
1994         * testsuite/Makefile.in: Regenerate.
1995
1996 2009-06-04  Doug Kwan  <dougkwan@google.com>
1997
1998         * layout.cc (Layout::section_name_mapping): Add mapping for
1999         special ARM sections.
2000
2001 2009-06-03  Doug Kwan  <dougkwan@google.com>
2002
2003         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
2004         (utils::has_overflow): Same.
2005
2006 2009-06-03  Ian Lance Taylor  <iant@google.com>
2007
2008         * layout.cc (Layout::section_name_mapping): New array, replacing
2009         Layout::linkonce_mapping.
2010         (Layout::section_name_mapping_count): New variable, replacing
2011         Layout::linkonce_mapping_count.
2012         (Layout::linkonce_output_name): Remove.
2013         (Layout::output_section_name): Rewrite.
2014         * layout.h (class Layout): Rename Linkonce_mapping to
2015         Section_name_mapping, linkonce_mapping to section_name_mapping,
2016         linkonce_mapping_count to section_name_mapping_count.  Don't
2017         declare linkonce_output_name.
2018
2019 2009-06-03  Doug Kwan  <dougkwan@google.com>
2020
2021         * gold/arm.cc (namespace utils): New.
2022         (Target_arm::reloc_is_non_pic): Define new method.
2023         (class Arm_relocate_functions): New.
2024         (Target_arm::Relocate::relocate): Handle relocation types used by
2025         Android.
2026
2027 2009-06-03  Ian Lance Taylor  <iant@google.com>
2028
2029         * arm.cc (Target_arm::scan::global): Use || instead of |.
2030
2031 2009-06-02  Doug Kwan  <dougkwan@google.com>
2032
2033         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
2034         issued_non_pic_error_.
2035         (class Target_arm::Scan): Declare new method check_non_pic.
2036         Define new method symbol_needs_plt_entry.
2037         Declare new data member issued_non_pic_error_.
2038         (class Target_arm::Relocate): Declare new method
2039         should_apply_static_reloc.
2040         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
2041         (Target_arm::Scan::check_non_pic): Define new method.
2042         (Target_arm::Scan::local): Handle a small subset of reloc types used
2043         by Android.
2044         (Target_arm::Scan::local): Same.
2045         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
2046
2047 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
2048
2049         * incremental.cc (Incremental_inputs::report_command_line): Filter
2050         out --incremental-* options.
2051
2052 2009-05-29  Doug Kwan  <dougkwan@google.com>
2053
2054         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
2055         template class.
2056         (class Target_arm): Update comment.
2057         (Target_arm::Target_arm): Initialize new data members GOT_,
2058         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
2059         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
2060         and Target_arm::rel_dyn_section.
2061         Declare new_enum Target_arm::Got_type.
2062         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
2063         and DYNBSS_.
2064         Update commments for member do_dynsym_value.
2065         (Target_arm::got_size, Target_arm::plt_section,
2066         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
2067         new methods inside class defintion.
2068         (Target_arm::got_section): Define new method.
2069         (Target_arm::rel_dyn_section): Same.
2070         (Output_data_plt_arm): New template class.
2071         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
2072         (Output_data_plt_arm:do_adjust_output_section): Define new method.
2073         (Output_data_plt_arm::add_entry): Same.
2074         (Output_data_plt_arm::first_plt_entry): Define new
2075         static data member for PLT instruction template.
2076         (Output_data_plt_arm::plt_entry): Same.
2077         (Output_data_plt_arm::do_write): Define new method.
2078         (Target_arm::make_plt_entry): Same.
2079         (Target_arm::do_finalize_sections): Same.
2080         (Target_arm::do_dynsym_value): Same.
2081
2082 2009-05-28  Doug Kwan  <dougkwan@google.com>
2083
2084         * Makefile.am (TARGETSOURCES): Add arm.cc.
2085         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
2086         * Makefile.in: Regenerate.
2087         * arm.cc: New file.
2088         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
2089
2090 2009-05-26  Doug Kwan  <dougkwan@google.com>
2091
2092         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
2093         (General_options::check_excluded_libs): Strip off directories in
2094         archive name before matching like GNU ld does.
2095         * testsuite/Makefile.am (MOSTLYCLEANFILES,
2096         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
2097         (exclude_libs_test_LDFLAGS): Add linker option
2098         -Wl,--exclude-libs,libexclude_libs_test_3
2099         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
2100         an explicit archive without using -l.
2101         (alt/libexclude_libs_test_3.a): New make rule.
2102         * testsuite/Makefile.in: Regenerate.
2103         * testsuite/exclude_libs_test.c : Declare lib3_default().
2104         (main): Call it.
2105         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
2106         * exclude_libs_test_3.c: New file.
2107
2108 2009-05-26  Nick Clifton  <nickc@redhat.com>
2109
2110         * po/id.po: New Indonesian translation.
2111         * po/gold.pot: Updated template file.
2112
2113 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
2114
2115         * testsuite/Makefile.am: Add -ffunction-sections to compile 
2116         gc_comdat_test files.  Add -Wl,--gc-sections to build
2117         gc_comdat_test.
2118         * testsuite/Makefile.in: Regenerate.
2119         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
2120
2121 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
2122
2123         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
2124         kept comdat section was garbage collected.
2125         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
2126         * testsuite/Makefile.in: Regenerate.
2127         * testsuite/gc_comdat_test.sh: New file.
2128         * testsuite/gc_comdat_test_1.cc: New file.
2129         * testsuite/gc_comdat_test_2.cc: New file.
2130
2131 2009-05-19  Doug Kwan  <dougkwan@google.com>
2132
2133         * archive.cc (Archive::Archive): Move constructor from archive.h
2134         to here.  Initialize no_export_.
2135         (Archive::get_elf_object_for_member): Set no_export flag of object.
2136         * archive.h (Archive::Archive): Move constructor body to
2137         archive.cc.
2138         (Archive::no_export): New method.
2139         (Archive::no_export_): New field.
2140         * object.h (Object::Object): Initialize no_export_ to false.
2141         (Object::no_export, Object::set_no_export): New methods.
2142         (Object::no_export_): New field.
2143         * options.cc (General_options::parse_exclude_libs): New method.
2144         (General_options::check_excluded_libs) Same.
2145         * options.h (exclude_libs): New option.
2146         (General_options::check_excluded_libs): New method declaration.
2147         (General_options::excluded_libs_): New field.
2148         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
2149         default or protected visibility if an object has no-export flag set.
2150         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
2151         (check_SCRIPTS): Add exclude_libs_test.sh.
2152         (check_DATA): Add exclude_libs_test.syms.
2153         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
2154         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
2155         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
2156         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
2157         (exclude_libs_test.syms, libexclude_libs_test_1.a,
2158         libexclude_libs_test_2.a): New rules.
2159         * testsuite/Makefile.in: Regenerate.
2160         * testsuite/exclude_libs_test.c: New file.
2161         * testsuite/exclude_libs_test.sh: Ditto.
2162         * testsuite/exclude_libs_test_1.c: Ditto.
2163         * testsuite/exclude_libs_test_2.c: Ditto.
2164
2165 2009-05-15  Ian Lance Taylor  <iant@google.com>
2166
2167         * configure.ac: Check for declarations for cases where libiberty.h
2168         checks HAVE_DECL_xxx.
2169         * configure, config.in: Rebuild.
2170
2171 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
2172
2173         * gold.h (Incremental_argument_list): Remove (invalid) forward
2174         declaration.
2175         * incremental.cc (Incremental_inputs::report_achive): New method.
2176         (Incremental_inputs::report_object): New method.
2177         (Incremental_inputs::report_script): New method.
2178         (Incremental_inputs::finalize_inputs): New method.
2179         (Incremental_inputs::finalize): Call finalize_inputs().
2180         (Incremental_inputs::sized_create_incremental_inputs_section_data):
2181         Create inputs entries.
2182         * incremental.h (Incremental_input_type): New enum.
2183         (Incremental_inputs::Incremental_input): Initialize new fields.
2184         (Incremental_inputs::report_inputs): New method.
2185         (Incremental_inputs::report_achive): New method.
2186         (Incremental_inputs::report_object): New method.
2187         (Incremental_inputs::report_script): New method.
2188         (Incremental_inputs::finalize_inputs): New method.
2189         (Incremental_inputs::Input_info): New struct.
2190         (Incremental_inputs::Input_info_map): New typedef.
2191         (Incremental_inputs::lock_): New field.
2192         (Incremental_inputs::Inputs_): New field.
2193         (Incremental_inputs::Inputs_map): New field.
2194         * main.cc (main): Call Incremental_input::report_inputs.
2195         * options.h (Input_argument_list): Typedef moved from
2196         Input_arguments.
2197         (Input_file_group::Files): Remove, use ::Input_argument_list.
2198         (Input_file_group::Input_argument_list): Remove, use
2199         ::Input_argument_list.
2200         * plugin.cc (Plugin_manager::add_input_file): Add error in
2201         incremental build.
2202         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
2203         functions.
2204         * script.cc (read_input_script): Call
2205         Incremental_input::report_script.
2206         * script.h (Script_info): New class.
2207
2208 2009-04-27  Ian Lance Taylor  <iant@google.com>
2209
2210         * x86_64.cc (do_adjust_output_section): Set entsize to
2211         plt_entry_size.
2212
2213 2009-04-23  Elliott Hughes  <enh@google.com>
2214
2215         * output.cc (Output_file::close): After short writes, continue
2216         writing from the correct offset in the buffer being written.
2217
2218 2009-04-23  Chris Demetriou  <cgd@google.com>
2219
2220         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
2221         * configure: Regenerate.
2222         * config.in: Regenerate.
2223         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
2224         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
2225
2226 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
2227
2228         * incremental.cc (Incremental_inputs_header_data): Renamed from
2229         Incremental_input_header_data.
2230         (Incremental_inputs_header_data::data_size): New field.
2231         (Incremental_inputs_header_data::put_input_file_count): Renamed
2232         from input_file_count.
2233         (Incremental_inputs_header_data::put_command_line_offset): Renamed
2234         from command_line_offset.
2235         (Incremental_inputs_header_data::put_reserved): Renamed from
2236         put_reserved.
2237         (Incremental_inputs_entry_data): Renamed from
2238         Incremental_input_entry_data.
2239         (Incremental_inputs_entry_data::data_size): New field.
2240         (Incremental_inputs::report_command_line): New method.
2241         (Incremental_inputs::finalize): New method.
2242         (Incremental_inputs::create_incremental_inputs_data): New method.
2243         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
2244         * incremental.h: New file.
2245         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
2246        (Layout::finalize): Create incremental inputs section in
2247         incremental builds.
2248        (Layout::create_incremental_info_sections): New method.
2249         * layout.h (Layout::incremental_inputs): New method.
2250        (Layout::create_incremental_info_sections): New method.
2251        (Layout::incremental_inputs_): New field.
2252         * main.cc (main): Notify Incremental_input of the command line.
2253
2254 2009-04-01  Ian Lance Taylor  <iant@google.com>
2255             Mikolaj Zalewski  <mikolajz@google.com>
2256
2257         * gold.h (reserve_unordered_map): Define, three versions, one for
2258         each version of Unordered_map.
2259         * layout.cc (Layout::Layout): Remove options parameter.  Add
2260         number_of_input_files parameter.  Don't initialize options_.
2261         Initialize number_of_input_files_ and resized_signatures_.  Move
2262         sections_are_attached_.
2263         (Layout::layout_group): Reserve space for group_signatures_.
2264         (Layout::find_or_add_kept_section): Change name parameter to be a
2265         reference.  Resize signatures_ map when it gets large enough.
2266         (Layout::layout_eh_frame): Use parameters->options() instead of
2267         this->options_.
2268         (Layout::make_output_section): Likewise.
2269         (Layout::attach_allocated_section_to_segment): Likewise.
2270         (Layout::finalize, Layout::create_executable_stack): Likewise.
2271         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
2272         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
2273         * layout.h (class Layout): Update declarations.  Remove options_
2274         field.  Add number_of_input_files_ and resized_signatures_
2275         fields.  Move sections_are_attached_ field.
2276         * main.cc (main): Pass number of input files to Layout
2277         constructor.  Don't pass options.
2278
2279 2009-03-30  Ian Lance Taylor  <iant@google.com>
2280
2281         * ffsll.c (ffsll): Correct implementation.
2282
2283 2009-03-27  Ian Lance Taylor  <iant@google.com>
2284
2285         * ffsll.c: New file.
2286         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
2287         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
2288         * ftruncate.c (ftruncate): Declare before definition.
2289         * mremap.c (mremap): Likewise.
2290         * pread.c (pread): Likewise.
2291         * configure, Makefile.in, config.in: Rebuild.
2292
2293         * mremap.c: New file.
2294         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
2295         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
2296         (mremap): Declare if HAVE_MREMAP is not defined.
2297         * configure, Makefile.in, config.in: Rebuild.
2298
2299 2009-03-27  Cary Coutant  <ccoutant@google.com>
2300
2301         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
2302         position independent.
2303         * sparc.cc (Target_sparc::check_non_pic): Likewise.
2304         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
2305
2306 2009-03-24  Cary Coutant  <ccoutant@google.com>
2307
2308         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
2309         an executable.
2310         (needs_dynamic_reloc): Likewise.
2311
2312 2009-03-24  Ian Lance Taylor  <iant@google.com>
2313
2314         * yyscript.y (file_cmd): Recognize EXTERN.
2315         (extern_name_list, extern_name_list_body): New nonterminals.
2316         * script.cc (script_add_extern): Define.
2317         * script-c.h (script_add_extern): Declare.
2318
2319 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
2320
2321         * object.cc (is_elf_object): Define.
2322         * object.h (is_elf_object): Declare.
2323         * archive.cc (Archive::get_elf_object_for_member): Call
2324         is_elf_object.
2325         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
2326
2327 2009-03-24  Elliott Hughes  <enh@google.com>
2328
2329         * output.cc (Output_file::map_anonymous): Define.
2330         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
2331         try an anonymous one.  Report the size if the mmap fails.
2332         * output.h (class Output_file): Declare map_anonymous.
2333
2334 2009-03-24  Ian Lance Taylor  <iant@google.com>
2335
2336         * target-select.cc (instantiate_target): Don't acquire the lock if
2337         the instantiated_target_ field has already been set.
2338
2339 2009-03-23  Ian Lance Taylor  <iant@google.com>
2340
2341         * gold-threads.h (class Initialize_lock): Define.
2342         * gold-threads.cc (class Initialize_lock_once): Define.
2343         (initialize_lock_control): New static variable.
2344         (initialize_lock_pointer): New static variable.
2345         (initialize_lock_once): New static function.
2346         (Initialize_lock::Initialize_lock): Define.
2347         (Initialize_lock::initialize): Define.
2348         * target-select.h: Include "gold-threads.h".
2349         (class Target_selector): Add lock_ and initialize_lock_ fields.
2350         Don't define instantiate_target, just declare it.
2351         * target-select.cc (Target_selector::Target_selector): Initialize
2352         new fields.
2353         (Target_selector::instantiate_target): Define.
2354         * descriptors.h: Include "gold-threads.h".
2355         (class Descriptors): Add initialize_lock_ field.
2356         * descriptors.cc (Descriptors::Descriptors): Initialize new
2357         field.
2358         (Descriptors::open): Use initialize_lock_ field
2359         * errors.h (class Errors): Add initialize_lock_ field.
2360         * errors.cc (Errors::Errors): Initialize new field.
2361         (Errors::initialize_lock): Use initialize_lock_ field.
2362         * powerpc.cc (class Target_selector_powerpc): Remove
2363         instantiated_target_ field.  In do_recognize call
2364         instantiate_target rather than do_instantiate_target.  In
2365         do_instantiate_target just allocate a new target.
2366         * sparc.cc (class Target_selector_sparc): Likewise.
2367
2368         * freebsd.h: New file.
2369         * i386.cc: Include "freebsd.h".
2370         (Target_i386): Derive from Target_freebsd rather than
2371         Sized_target.
2372         (Target_selector_i386): Derive from Target_selector_freebsd rather
2373         than Target_selector.
2374         * x86_64.cc: Include "freebsd.h".
2375         (Target_x86_64): Derive from Target_freebsd rather than
2376         Sized_target.
2377         (Target_selector_x86_64): Derive from Target_selector_freebsd
2378         rather than Target_selector.
2379         * target.h (class Target): Add adjust_elf_header and
2380         do_adjust_elf_header.
2381         * output.cc (Output_file_header:: do_sized_write): Call target
2382         adjust_elf_header routine.
2383         * configure.tgt: Set targ_osabi.
2384         * configure.ac: Define GOLD_DEFAULT_OSABI.
2385         * parameters.cc (Parameters::default_target): Pass
2386         GOLD_DEFAULT_OSABI to select_target.
2387         * target-select.h (class Target_selector): Make instantiate_target
2388         protected rather than private.
2389         * Makefile.am (HFILES): Add freebsd.h.
2390         * configure, Makefile.in, config.in: Rebuild.
2391
2392         * merge.cc (do_add_input_section): Correct pend value.  Change
2393         message about last entry not being null terminated from error to
2394         warning.
2395
2396 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
2397
2398         * incremental.cc: New file.
2399         * Makefile.am (CCFILES): Add incremental.cc.
2400         * Makefile.in: Rebuild.
2401
2402 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
2403
2404         * layout.cc (Layout::output_section_name): Preserve names
2405         of '.note.' sections.
2406         
2407 2009-03-19  Ian Lance Taylor  <iant@google.com>
2408
2409         * descriptors.cc (Descriptors::open): Check that the options are
2410         valid before using them.
2411
2412 2009-03-18  Ian Lance Taylor  <iant@google.com>
2413
2414         * script-sections.h: Include <list>.
2415         (class Script_sections): Change Sections_elements from std::vector
2416         to std::list.  Typedef public Elements_iterator.  Add
2417         orphan_section_placement_, data_segment_align_start_, and
2418         saw_data_segment_align_ fields.  Remove data_segment_align_index_
2419         field.
2420         * script-sections.cc (class Orphan_section_placement): New class.
2421         (class Sections_element): Add virtual functions is_relro and
2422         orphan_section_init.  Remove virtual function place_orphan_here.
2423         (class Output_section_definition): Add is_relro and
2424         orphan_section_init.  Remove place_orphan_here.
2425         (class Orphan_output_section): Likewise.
2426         (Script_sections::Script_sections): Update for field changes.
2427         (Script_sections::data_segment_align): Set saw_data_segment_align_
2428         and data_segment_align_start_, not data_segment_align_index.
2429         (Script_sections::data_segment_relro_end): Check
2430         saw_data_segment_align_.  Use data_segment_align_start_ rather
2431         than data_segment_align_index_.
2432         (Script_sections::place_orphan): Rewrite to use
2433         Orphan_section_placement.
2434
2435 2009-03-17  Ian Lance Taylor  <iant@google.com>
2436
2437         * archive.cc (Archive::add_symbols): Check for a version attached
2438         to the symbol name in the archive map.
2439         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
2440         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
2441         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
2442         (ver_test_11.a): New target.
2443         * testsuite/Makefile.in: Rebuild.
2444
2445         * configure.ac: Check for chsize and posix_fallocate.  Replace
2446         ftruncate.
2447         * ftruncate.c: New file, from gnulib.
2448         * output.cc (posix_fallocate): Define dummy version if not
2449         HAVE_POSIX_FALLOCATE.
2450         (Output_file::map): Call posix_fallocate rather than lseek and
2451         write.
2452         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
2453         * configure, Makefile.in, config.in: Rebuild.
2454
2455 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
2456         
2457         * layout.h (Layout::create_note): Add section_name parameter.
2458         * layout.cc (Layout::create_note): Likewise.
2459         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
2460         
2461 2009-03-17  Ian Lance Taylor  <iant@google.com>
2462
2463         * descriptors.cc: Include "options.h".
2464         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
2465         (Descriptors::open): Always use O_CLOEXEC when opening a new
2466         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
2467         then set FD_CLOEXEC.
2468
2469         * sparc.cc (class Target_sparc): Add has_got_section.
2470         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
2471         make sure we have a GOT section.
2472
2473         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
2474         (Target_sparc::Scan::local): Likewise.
2475         (Target_sparc::Scan::global): Likewise.
2476         (Target_sparc::Relocate::relocate): Likewise.
2477         (Target_sparc::Relocate::relocate_tls): Likewise.
2478
2479         * symtab.cc (Symbol_table::define_default_version): New function,
2480         broken out of add_from_object.
2481         (Symbol_table::add_from_object): Call define_default_version.
2482         (Symbol_table::define_special_symbol): Add resolve_oldsym
2483         parameter.  Change all callers.  If the version for a symbol comes
2484         from a version script, resolve it with the symbol with the same
2485         name with no version.  Also add the symbol without a version if
2486         appropriate.
2487         (do_define_in_output_data): If resolving with oldsym, don't delete
2488         sym.
2489         (do_define_in_output_segment): Likewise.
2490         (do_define_as_constant): Likewise.
2491         * symtab.h (class Symbol_table): Update declarations.
2492
2493 2009-03-13  Ian Lance Taylor  <iant@google.com>
2494
2495         * readsyms.cc (Read_symbols::incompatible_warning): New function.
2496         (Read_symbols::requeue): New function.
2497         (Read_symbols::do_read_symbols): If make_elf_object fails because
2498         the target type is not configured, and the file was searched for,
2499         issue a warning and retry with the next directory.
2500         (Add_symbols::run): If the file has an incompatible format, and
2501         it was searched for, requeue the Read_symbols task.  On error,
2502         release the object.
2503         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
2504         dirindex parameter to constructor.  Change all callers.  Declare
2505         incompatible_warning and requeue.
2506         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
2507         input_argument_ and input_group_ fields.  Add them to
2508         constructor.  Change all callers.
2509         (class Read_script): Add dirindex_ field.  Add it to constructor.
2510         Change all callers.
2511         * archive.cc (Archive::setup): Remove input_objects parameter.
2512         Change all callers.
2513         (Archive::get_file_and_offset): Likewise.
2514         (Archive::read_all_symbols): Likewise.
2515         (Archive::read_symbols): Likewise.
2516         (Archive::get_elf_object_for_member): Remove input_objects
2517         parameter.  Add punconfigured parameter.  Change all callers.
2518         (Archive::add_symbols): Change return type to bool.  Check return
2519         value of include_member.
2520         (Archive::include_all_members): Likewise.
2521         (Archive::include_member): Change return type to bool.  Return
2522         false if first included object has incompatible target.  Set
2523         included_member_ field.
2524         (Add_archive_symbols::run): If add_symbols returns false, requeue
2525         Read_symbols task.
2526         * archive.h (class Archive): Add included_member_ field.
2527         Initialize it in constructor.  Add input_file and searched_for
2528         methods.  Update declarations.
2529         (class Add_archive_symbols): Add dirpath_, dirindex_, and
2530         input_argument_ fields.  Add them to constructor.  Change all
2531         callers.
2532         * script.cc: Include "target-select.h".
2533         (class Parser_closure): Add skip_on_incompatible_target_ and
2534         found_incompatible_target_ fields.  Add
2535         skip_on_incompatible_target parameter to constructor.  Change all
2536         callers.  Add methods skip_on_incompatible_target,
2537         clear_skip_on_incompatible_target, found_incompatible_target, and
2538         set_found_incompatible_target.
2539         (read_input_script): Add dirindex parameter.  Change all callers.
2540         If parser finds an incompatible target, requeue Read_symbols
2541         task.
2542         (script_set_symbol): Clear skip_on_incompatible_target in
2543         closure.
2544         (script_add_assertion, script_parse_option): Likewise.
2545         (script_start_sections, script_add_phdr): Likewise.
2546         (script_check_output_format): New function.
2547         * script.h (read_input_script): Update declaration.
2548         * script-c.h (script_check_output_format): Declare.
2549         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
2550         (ignore_cmd): Remove OUTPUT_FORMAT.
2551         * fileread.cc (Input_file::Input_file): Add explicit this.
2552         (Input_file::will_search_for): New function.
2553         (Input_file::open): Add pindex parameter.  Change all callers.
2554         * fileread.h (class Input_file): Add input_file_argument method.
2555         Declare will_search_for.  Update declarations.
2556         * object.cc (make_elf_object): Add punconfigured parameter.
2557         Change all callers.
2558         * object.h (class Object): Make input_file public.  Add
2559         searched_for method.
2560         (make_elf_object): Update declaration.
2561         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
2562         restart search.
2563         * dirsearch.h (class Dirsearch): Update declaration.
2564         * options.h (class General_options): Add --warn-search-mismatch.
2565         * parameters.cc (Parameters::is_compatible_target): New function.
2566         * parameters.h (class Parameters): Declare is_compatible_target.
2567         * workqueue.cc (Workqueue::add_blocker): New function.
2568         * workqueue.h (class Workqueue): Declare add_blocker.
2569
2570         * fileread.cc (Input_file::open): Remove options parameter.
2571         Change all callers.
2572         (Input_file::open_binary): Likewise.
2573         * script.cc (read_input_script): Likewise.
2574         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
2575         options parameter from constructor.  Change all callers.
2576         (class Read_script): Likewise.
2577         * fileread.h (class Input_file): Update declarations.
2578         * script.h (read_input_script): Update declaration.
2579
2580 2009-03-10  Nick Clifton  <nickc@redhat.com>
2581
2582         * po/es.po: New Spanish translation.
2583
2584 2009-03-06  Cary Coutant  <ccoutant@google.com>
2585
2586         * options.cc (parse_short_option): Keep dash_z from registering itself.
2587
2588 2009-03-03  Ian Lance Taylor  <iant@google.com>
2589
2590         PR 9918
2591         * target-reloc.h (relocate_section): Pass output_section to
2592         relocate.
2593         * i386.cc (Target_i386::should_apply_static_reloc): Add
2594         output_section parameter.  Change all callers.
2595         (Target_i386::Relocate::relocate): Add output_section parameter.
2596         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
2597         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
2598         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
2599         * testsuite/two_file_shared.sh: New script.
2600         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
2601         (check_DATA): Add two_file_shared.dbg.
2602         (two_file_shared.dbg): New target.
2603         * testsuite/Makefile.in: Rebuild.
2604
2605 2009-03-01  Ian Lance Taylor  <iant@google.com>
2606
2607         * configure.ac: Check for byteswap.h.
2608         * configure: Rebuild.
2609         * config.in: Rebuild.
2610
2611 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
2612
2613         * layout.cc (Layout::find_or_add_kept_section): New function.
2614         (Layout::add_comdat): Removed.
2615         * layout.h (struct Kept_section): Move out of class Layout.
2616         Remove trailing underscores from field names.  Add group_sections
2617         field.  Rename group_ field to is_group.  Change all uses.
2618         (class Layout): Declare find_or_add_kept_section, not add_comdat.
2619         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
2620         comdat_groups_ field.
2621         (Sized_relobj::include_section_group): Use
2622         find_or_add_kept_section and Kept_section::group_sections.
2623         (Sized_relobj::include_linkonce_section): Likewise.
2624         * object.cc (class Sized_relobj): Don't define Comdat_group or
2625         Comdat_group_table.  Remove find_comdat_group and
2626         add_comdat_group.  Remove comdat_groups_ field.
2627         * plugin.cc (include_comdat_group): Use
2628         Layout::find_or_add_kept_section.
2629
2630 2009-02-28  Ian Lance Taylor  <iant@google.com>
2631
2632         * README: --gc-sections and map files are now supported.  Document
2633         some build requirements.
2634
2635         PR 6992
2636         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
2637         relocatable link set the value of the section symbol to zero.
2638         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
2639         relocatable link don't include the section address in the local
2640         symbol value.
2641
2642 2009-02-27  Ian Lance Taylor  <iant@google.com>
2643
2644         PR 6811
2645         * options.h (class Search_directory): Add is_system_directory.
2646         (class General_options): Declare is_in_system_directory.
2647         * options.cc (get_relative_sysroot): Make static.
2648         (get_default_sysroot): Make static.
2649         (General_optoins::is_in_system_directory): New function.
2650         * fileread.cc (Input_file::is_in_system_directory): New function.
2651         * fileread.h (class Input_file): Declare is_in_system_directory.
2652         * object.h (class Object): Add is_in_system_directory.
2653         (class Input_objects): Remove system_library_directory_ field.
2654         * object.cc (Input_objects::add_object): Don't set
2655         system_library_directory_.
2656         (input_objects::found_in_system_library_directory): Remove.
2657         * symtab.cc (Symbol_table::write_globals): Remove input_objects
2658         parameter.  Change all callers.
2659         (Symbol_table::sized_write_globals): Likewise.
2660         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
2661         Call Object::is_in_system_directory.
2662         * symtab.h (class Symbol_table): Update declarations.
2663
2664         PR 5990
2665         * descriptors.h (Open_descriptor): Add is_on_stack field.
2666         * descriptors.cc (Descriptors::open): If the descriptor is on the
2667         top of the stack, remove it.  Initialize is_on_stack field.
2668         (Descriptors::release): Only add pod to stack if it is not on the
2669         stack already.
2670         (Descriptors::close_some_descriptor): Clear stack_next and
2671         is_on_stack fields.
2672
2673         PR 7091
2674         * output.cc (Output_section::find_starting_output_address): Rename
2675         from starting_output_address; add PADDR parameter; change return
2676         type.
2677         * output.h (class Output_section): Declare
2678         find_starting_output_address instead of starting_output_address.
2679         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
2680         section symbol for which we can't find a merge section.
2681
2682         PR 9836
2683         * symtab.cc (Symbol_table::add_from_object): If the visibility is
2684         hidden or internal, force the symbol to be local.
2685         * resolve.cc (Symbol::override_visibility): Define.
2686         (Symbol::override_base): Use override_visibility.
2687         (Symbol_table::resolve): Likewise.
2688         (Symbol::override_base_with_special): Likewise.
2689         (Symbol_table::override_with_special): If the visibility is hidden
2690         or internal, force the symbol to be local.
2691         * symtab.h (class Symbol): Add set_visibility and
2692         override_visibility.
2693         * testsuite/ver_test_1.sh: New file.
2694         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
2695         (check_DATA): Add ver_test_1.syms.
2696         (ver_test_1.syms): New target.
2697         * testsuite/Makefile.in: Rebuild.
2698
2699 2009-02-25  Cary Coutant  <ccoutant@google.com>
2700
2701         * layout.cc (Layout::choose_output_section): Don't rename sections
2702         when using a linker script that has a SECTIONS clause.
2703         * Makefile.in: Regenerate.
2704
2705         * testsuite/Makefile.am (script_test_5.sh): New test case.
2706         * testsuite/Makefile.in: Regenerate.
2707         * testsuite/script_test_5.cc: New file.
2708         * testsuite/script_test_5.sh: New file.
2709         * testsuite/script_test_5.t: New file.
2710
2711 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
2712
2713         * archive.cc (Archive::include_member): Update calls to add_symbols.
2714         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
2715         the Layout argument.
2716         * dynobj.h (do_add_symbols): Add the Layout argument.
2717         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
2718         Layout argument.
2719         * object.h (Object::add_symbols): Add the Layout argument.
2720         (Object::do_add_symbols): Add the Layout argument.
2721         (Sized_relobj::do_add_symbols): Add the Layout argument.
2722         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
2723         Unify the two versions.
2724         (Add_plugin_symbols): Remove.
2725         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
2726         (Sized_pluginobj::do_add_symbols): Unify the two versions.
2727         (Add_plugin_symbols): Remove.
2728         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
2729         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
2730         (Add_symbols::run): Make it work with Pulginobj.
2731
2732 2009-02-06  Ian Lance Taylor  <iant@google.com>
2733
2734         * object.cc (Sized_relobj::do_layout): Make info message start
2735         with lower case letter.
2736
2737 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
2738
2739         * binary.cc: Fix file comment.
2740
2741         * options.h (enum Incremental_disposition): Define.
2742         (class General_options): Add new options: --incremental,
2743         --incremental_changed, --incremental_unchanged,
2744         --incremental_unknown.  Add incremental_disposition_ and
2745         implicit_incremental_ fields.
2746         (General_options::incremental_disposition): New function.
2747         (class Position_dependent_options): Add incremental_disposition
2748         option.
2749         (Position_dependent_options::copy_from_options): Set incremental
2750         dispositions.
2751         * options.cc (General_options::parse_incremental_changed): New
2752         function.
2753         (General_options::parse_incremental_unchanged): New function.
2754         (General_options::parse_incremental_unknown): New function.
2755         (General_options::General_options): Initialize new fields
2756         incremental_disposition_ and implicit_incremental_.
2757         (General_options::finalize): Check for uasge of --incremental-*
2758         without --incremental.
2759
2760 2009-02-06  Chris Demetriou  <cgd@google.com>
2761
2762         * gold.h (gold_undefined_symbol): Change to take only a Symbol
2763         pointer and to report location as the file name associated with
2764         the symbol.
2765         (gold_undefined_symbol_at_location): New function to replace the
2766         old gold_undefined_symbol functionality.
2767         * target-reloc.h (relocate_section): Update to use
2768         gold_undefined_symbol_at_location.
2769         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
2770         Call gold_undefined_symbol function rather than gold_error.
2771         * errors.h (Errors::undefined_symbol): Take location as a
2772         string, rather than calculating it from a relocation.
2773         * errors.cc (Errors::fatal): Print "fatal error:" before the
2774         formatted message.
2775         (Errors::error, Errors::error_at_location): Print "error: "
2776         before the formatted message.
2777         (Errors::undefined_symbol): Take location as a string, rather
2778         than calculating it from a relocation.
2779         (gold_undefined_symbol_at_location): New function akin to
2780         old gold_undefined_symbol, calculates location from relocation.
2781         (gold_undefined_symbol): Change to take only a Symbol pointer
2782         and to report location as the file name associated with the symbol.
2783         * testsuite/debug_msg.sh: Update for changed error messages.
2784         * testsuite/undef_symbol.sh: Likewise.
2785
2786 2009-02-04  Duncan Sands  <baldrick@free.fr>
2787
2788         PR 9812
2789         * reduced_debug_output.h
2790         (Output_reduced_debug_abbrev_section::failed): Use format for
2791         gold_warning.
2792         (Output_reduced_debug_info_section::faild): Likewise.
2793
2794 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
2795
2796         * script.cc (Lazy_demangler): New class.
2797         (Version_script_info::get_symbol_version_helper): Demangle a
2798         symbol only once.
2799
2800 2009-01-29  Cary Coutant  <ccoutant@google.com>
2801
2802         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
2803         to __tls_get_addr.
2804         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
2805
2806 2009-01-28  Ian Lance Taylor  <iant@google.com>
2807
2808         * version.cc (version_string): Bump to 1.9.
2809
2810         * gold.h: Include <cstring> and <stdint.h>.
2811         * version.cc: Include <cstdio>.
2812         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
2813         warning.
2814         * reduced_debug_output.cc (insert_into_vector): Rename from
2815         Insert_into_vector; change all callers.  Use Swap_unaligned to
2816         avoid aliasing issue; remove union since it is unnecessary.
2817
2818 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
2819
2820         * Makefile.am (CCFILES): Add gc.cc.
2821         (HFILES): Add gc.h.
2822         * Makefile.in: Regenerate.
2823         * gold.cc (Gc_runner): New class.
2824         (queue_initial_tasks): Call garbage collection related tasks
2825         when corresponding options are invoked.
2826         (queue_middle_gc_tasks): New function.
2827         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
2828         processed early before laying out sections during garbage collection.
2829         * gold.h (queue_middle_gc_tasks): New function.
2830         (is_prefix_of): Move from "layout.cc".
2831         * i386.cc (Target_i386::gc_process_relocs): New function.
2832         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
2833         * main.cc (main): Create object of class "Garbage_collection".
2834         * object.cc (Relobj::copy_symbols_data): New function.
2835         (Relobj::is_section_name_included): New function.
2836         (Sized_relobj::do_layout): Allow this function to be called twice 
2837         during garbage collection and defer layout of section during the 
2838         first call.
2839         * object.h (Relobj::get_symbols_data): New function.
2840         (Relobj::is_section_name_included): New function.
2841         (Relobj::copy_symbols_data): New function.
2842         (Relobj::set_symbols_data): New function.
2843         (Relobj::get_relocs_data): New function.
2844         (Relobj::set_relocs_data): New function.
2845         (Relobj::is_output_section_offset_invalid): New pure virtual function.
2846         (Relobj::gc_process_relocs): New function.
2847         (Relobj::do_gc_process_relocs): New pure virtual function.
2848         (Relobj::sd_): New data member.
2849         (Sized_relobj::is_output_section_offset_invalid): New function.
2850         (Sized_relobj::do_gc_process_relocs): New function.
2851         * options.h (General_options::gc_sections): Modify to not be a no-op.
2852         (General_options::print_gc_sections): New option.
2853         * plugin.cc (Plugin_finish::run): Remove function call to
2854         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
2855         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
2856         * reloc.cc (Read_relocs::run): Add task to process relocs and
2857         determine unreferenced sections when doing garbage collection.
2858         (Gc_process_relocs): New class.
2859         (Sized_relobj::do_gc_process_relocs): New function.
2860         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
2861         sections that are garbage collected.
2862         * reloc.h (Gc_process_relocs): New class.
2863         * sparc.cc (Target_sparc::gc_process_relocs): New function.
2864         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
2865         symbols whose corresponding sections are garbage collected.
2866         (Symbol_table::Symbol_table): Add new parameter for the garbage
2867         collection object.
2868         (Symbol_table::gc_mark_undef_symbols): New function.
2869         (Symbol_table::gc_mark_symbol_for_shlib): New function.
2870         (Symbol_table::gc_mark_dyn_syms): New function.
2871         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
2872         as garbage.
2873         (Symbol_table::add_from_object): Likewise.
2874         (Symbol_table::add_from_relobj): When building shared objects, do not
2875         treat externally visible symbols as garbage.
2876         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
2877         table information for static and relocatable links.
2878         * symtab.h (Symbol_table::set_gc): New function.
2879         (Symbol_table::gc): New function.
2880         (Symbol_table::gc_mark_undef_symbols): New function.
2881         (Symbol_table::gc_mark_symbol_for_shlib): New function.
2882         (Symbol_table::gc_mark_dyn_syms): New function.
2883         (Symbol_table::gc_): New data member.
2884         * target.h (Sized_target::gc_process_relocs): New pure virtual 
2885         function.
2886         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
2887         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
2888
2889 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
2890
2891         * options.h (General_options::gc_sections): Define as a no-op for now.
2892         (General_options::no_keep_memory): Ditto.
2893         (General_options::Bshareable): Define.
2894         * options.cc (General_options::finalize): Honor -Bshareable.
2895
2896 2009-01-20  Andreas Schwab  <schwab@suse.de>
2897
2898         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
2899         read the value in the contents, since we don't use it.  Use the
2900         template endianness when writing.
2901         (Relocate::relocate): Use it for R_PPC_REL16_HA.
2902
2903 2009-01-19  Andreas Schwab  <schwab@suse.de>
2904
2905         * configure.tgt (powerpc64-*): Fix targ_obj.
2906
2907 2009-01-15  Ian Lance Taylor  <iant@google.com>
2908
2909         * object.cc (Sized_relobj::write_local_symbols): Don't write out
2910         local symbols when stripping all symbols.
2911
2912 2009-01-14  Cary Coutant  <ccoutant@google.com>
2913
2914         * output.cc (Output_reloc): Add explicit instantiations.
2915
2916 2009-01-14  Cary Coutant  <ccoutant@google.com>
2917
2918         * archive.cc (Archive::get_elf_object_for_member): Remove call
2919         to File_read::claim_for_plugin.
2920         * descriptors.cc (Descriptors::open): Remove reference to
2921         is_claimed.
2922         (Descriptors::claim_for_plugin): Remove.
2923         * descriptors.h (Descriptors::claim_for_plugin): Remove.
2924         (Descriptors::is_claimed): Remove.
2925         (claim_descriptor_for_plugin): Remove.
2926         * fileread.cc (File_read::claim_for_plugin): Remove.
2927         * fileread.h (File_read::claim_for_plugin): Remove.
2928         (File_read::descriptor): Reopen descriptor if necessary.
2929         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
2930         (Plugin_manager::all_symbols_read): Add task parameter. Change
2931         all callers.
2932         (Plugin_manager::get_input_file): New function.
2933         (Plugin_manager::release_input_file): New function.
2934         (Pluginobj::Pluginobj): Add filesize parameter and initialize
2935         corresponding data member.
2936         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
2937         and pass to base constructor. Change all callers.
2938         (get_input_file, release_input_file): New functions.
2939         (make_sized_plugin_object): Add filesize parameter. Change all callers.
2940         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
2941         (Plugin_manager::all_symbols_read): Add task parameter.
2942         (Plugin_manager::get_input_file): New function.
2943         (Plugin_manager::release_input_file): New function.
2944         (Plugin_manager::task_): New data member.
2945         (Pluginobj::Pluginobj): Add filesize parameter.
2946         (Pluginobj::filename): New function.
2947         (Pluginobj::descriptor): New function.
2948         (Pluginobj::filesize): New function.
2949         (Pluginobj::filesize_): New data member.
2950         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
2951         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
2952         File_read::claim_for_plugin; use Object::unlock to unlock the file.
2953
2954         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
2955         with archive libraries.
2956         * testsuite/Makefile.in: Regenerate.
2957         * testsuite/plugin_test.c (struct sym_info): New type.
2958         (get_input_file, release_input_file): New static variables.
2959         (onload): Capture new transfer vector entries.
2960         (claim_file_hook): Stop reading at end of file according to filesize.
2961         Factor out parsing of readelf output into separate function.
2962         (all_symbols_read_hook): Exercise get_input_file and release_input_file
2963         APIs and get the source file name from the symbol table.  Convert
2964         source file name to corresponding object file name.  Print info
2965         message when adding new input files.
2966         (parse_readelf_line): New function.
2967         * testsuite/plugin_test_1.sh: Add checks for new info messages.
2968         * testsuite/plugin_test_2.sh: Likewise.
2969         * testsuite/plugin_test_3.sh: Likewise.
2970         * testsuite/plugin_test_4.sh: New test case.
2971
2972 2009-01-07  Ian Lance Taylor  <iant@google.com>
2973
2974         * version.cc (version_string): Bump to 1.8.
2975
2976 2008-12-23  Cary Coutant  <ccoutant@google.com>
2977
2978         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
2979         * plugin.cc (Plugin_manager::finish): Rename as
2980         layout_deferred_objects.  Move cleanup to separate function.
2981         (Plugin_manager::cleanup): New function.
2982         (Plugin_finish::run): Call layout_deferred_objects and cleanup
2983         separately.
2984         * plugin.h (Plugin_manager::finish): Rename as
2985         layout_deferred_objects.
2986         (Plugin_manager::cleanup): New function.
2987         (Plugin_manager::cleanup_done): New field.
2988
2989 2008-12-23  Cary Coutant  <ccoutant@google.com>
2990
2991         * plugin.cc (is_visible_from_outside): New function.
2992         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
2993         so we don't return "IR only" status for exported symbols or -r links.
2994
2995         * testsuite/Makefile.am (plugin_test_3): New test case.
2996         * testsuite/Makefile.in: Regenerate.
2997         * testsuite/plugin_test_3.sh: New file.
2998
2999 2008-12-22  Cary Coutant  <ccoutant@google.com>
3000
3001         * object.cc (Sized_relobj::layout_section): New function.
3002         (Sized_relobj::do_layout): Defer layout of input sections until after
3003         plugin has provided replacement files.
3004         (Sized_relobj::do_layout_deferred_sections): New function.
3005         * object.h (Relobj::set_section_offset): Remove virtual keyword.
3006         (Relobj::layout_deferred_sections): New function.
3007         (Relobj::do_layout_deferred_sections): New function.
3008         (Sized_relobj::do_layout_deferred_sections): New function.
3009         (Sized_relobj::layout_section): New function.
3010         (Sized_relobj::Deferred_layout): New structure.
3011         (Sized_relobj::deferred_layout_): New field.
3012         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
3013         Change all callers.  Layout deferred sections.
3014         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
3015         references.
3016         (Plugin_hook::run): Move code from do_plugin_hook inline.
3017         (Plugin_hook::do_plugin_hook): Remove.
3018         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
3019         (Plugin_manager::finish): Renamed, was cleanup.
3020         (Plugin_manager::should_defer_layout): New function.
3021         (Plugin_manager::add_deferred_layout_object): New function.
3022         (Plugin_manager::Deferred_layout_list): New type.
3023         (Plugin_manager::deferred_layout_objects_): New field.
3024         (Plugin_hook::do_plugin_hook): Remove.
3025
3026 2008-12-17  Ian Lance Taylor  <iant@google.com>
3027
3028         * options.h (class General_options): Add --no case for
3029         --export-dynamic.
3030
3031 2008-12-16  Cary Coutant  <ccoutant@google.com>
3032
3033         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
3034         vector.
3035         (Plugin_manager::claim_file): Create plugin object even if
3036         plugin did not call the add_symbols callback.
3037         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
3038         asking for more symbols than were added.
3039         * testsuite/Makefile.am (plugin_test_1): Add test case with
3040         no global symbols.
3041         (empty.syms): New target.
3042         * testsuite/Makefile.in: Regenerate.
3043         * testsuite/plugin_test.c (claim_file_hook): Add new debug
3044         message. Don't call add_symbols if no globals.
3045         (all_symbols_read_hook): Don't provide replacement for empty
3046         claimed file.
3047
3048 2008-12-12  Ian Lance Taylor  <iant@google.com>
3049
3050         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
3051         r_type == 0 for a local symbol with r_sym == 0.
3052         (scan_relocatable_relocs): Pass r_sym to
3053         local_non_section_strategy.
3054         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
3055         r_sym parameter.
3056
3057         * configure.ac: Update test for TLS descriptors: they are
3058         supported as of glibc 2.9.
3059         * configure: Rebuild.
3060
3061 2008-12-11  Ian Lance Taylor  <iant@google.com>
3062
3063         PR 7091
3064         * target-reloc.h (Default_scan_relocatable_relocs): For each
3065         function, map r_type == 0 to RELOC_DISCARD.
3066
3067 2008-12-10  Cary Coutant  <ccoutant@google.com>
3068
3069         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
3070         object to override a kept COMDAT group from a plugin object.
3071
3072 2008-12-09  Ian Lance Taylor  <iant@google.com>
3073
3074         PR 7088
3075         * yyscript.y (file_cmd): Handle INPUT.
3076
3077         * testsuite/initpri1.c: Change all declarations to be full
3078         prototypes by adding void, to avoid compiler warnings.
3079
3080 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
3081
3082         * options.cc (General_options::parse_plugin_opt): New.
3083         (General_options::add_plugin): The argument now is just the filename.
3084         (General_options::add_plugin_option): New.
3085         * options.h (plugin_opt): New.
3086         (add_plugin): Change argument name.
3087         (add_plugin_option): New.
3088         * plugin.cc (Plugin::load): Don't parse the plugin option.
3089         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
3090         (Plugin::add_option): New.
3091         (Plugin::args_): Change type.
3092         (Plugin::filename_): New.
3093         (Plugin_manager::add_plugin_option): New.
3094         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
3095         * testsuite/Makefile.in: Regenerate.
3096
3097 2008-12-05  Cary Coutant  <ccoutant@google.com>
3098
3099         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
3100         Handle --strip-lto-sections option.
3101         * options.h (strip_lto_sections): New option.
3102
3103 2008-12-01  Cary Coutant  <ccoutant@google.com>
3104
3105         * plugin.cc (ld_plugin_message): Change format parameter to const.
3106         Fix mismatch between new[] and delete.
3107
3108 2008-11-14  Cary Coutant  <ccoutant@google.com>
3109
3110         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
3111         instead of -1U.
3112
3113 2008-11-05  Craig Silverstein  <csilvers@google.com>
3114
3115         * options.cc (General_options::parse_dynamic_list): New function.
3116         * options.h (General_options): New flags dynamic_list,
3117         dynamic_list_data, dynamic_list_cpp_new, and
3118         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
3119         (General_options::in_dynamic_list): New function.
3120         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
3121         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
3122         (Lex::can_continue_name): Likewise.
3123         (yylex): Likewise.
3124         (read_script_file): New parameter script_options.
3125         (read_dynamic_list): New function.
3126         (Script_options::define_dynamic_list): New function.
3127         (dynamic_list_keyword_parsecodes): New variable.
3128         (dynamic_list_keywords): New variable.
3129         * script.h (Script_options::define_dynamic_list): New function
3130         prototype.
3131         (read_dynamic_list): New function prototype.
3132         * symtab.cc (strprefix): New macro.
3133         (Symbol::should_add_dynsym_entry): Support dynamic_list,
3134         dynamic_list_data, dynamic_list_cpp_new, and
3135         dynamic_list_cpp_typeinfo.
3136         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
3137         (dynamic_list_expr): New rule.
3138         (dynamic_list_nodes): Likewise.
3139         (dynamic_list_node): Likewise.
3140         * testsuite/Makefile.am (dynamic_list): New test.
3141         * testsuite/Makefile.in: Regenerated.
3142         * testsuite/dynamic_list.t: New file.
3143         * testsuite/dynamic_list.sh: New file.
3144
3145 2008-11-05  Craig Silverstein  <csilvers@google.com>
3146
3147         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
3148         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
3149         (t11_last): Likewise.
3150         * testsuite/ver_test_6.c (main): Likewise.
3151
3152 2008-10-07  Cary Coutant  <ccoutant@google.com>
3153
3154         * options.c (General_options::finalize): Add check for -static and
3155         -shared.
3156         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
3157         is not empty.
3158
3159 2008-10-02  Cary Coutant  <ccoutant@google.com>
3160
3161         * plugin.cc (make_sized_plugin_object): Fix conditional
3162         compilation to work when not all targets are enabled.
3163
3164 2008-09-29  Cary Coutant  <ccoutant@google.com>
3165
3166         * archive.cc (Archive::get_file_and_offset): Use filename instead
3167         of name to get library path.
3168         (Archive::include_member): Unlock external member of a thin archive.
3169
3170         * testsuite/Makefile.am (TEST_AR): New variable.
3171         (thin_archive_test_1): New test.
3172         (thin_archive_test_2): New test.
3173         * testsuite/Makefile.in: Regenerate.
3174         * testsuite/thin_archive_main.cc: New file.
3175         * testsuite/thin_archive_test_1.cc: New file.
3176         * testsuite/thin_archive_test_2.cc: New file.
3177         * testsuite/thin_archive_test_3.cc: New file.
3178         * testsuite/thin_archive_test_4.cc: New file.
3179
3180 2008-09-29  Cary Coutant  <ccoutant@google.com>
3181
3182         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
3183         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
3184         instead of -1U.
3185         (Sized_relobj::do_finalize_local_symbols): Likewise.
3186         (Sized_relobj::map_to_kept_section): Likewise.
3187         * object.h (Sized_relobj::invalid_address): New constant.
3188         (Sized_relobj::do_output_section_offset): Check for invalid_address
3189         and return -1ULL.
3190         * output.cc (Output_reloc::local_section_offset): Use constant
3191         invalid_address instead of -1U.
3192         (Output_reloc::get_address): Likewise.
3193         (Output_section::output_address): Change -1U to -1ULL.
3194         * output.h (Output_reloc::invalid_address): New constant.
3195         * reloc.cc (Sized_relobj::write_sections): Use constant
3196         invalid_address instead of -1U.
3197         (Sized_relobj::relocate_sections): Likewise.
3198         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
3199         values for merge sections.
3200         * target-reloc.h (relocate_for_relocatable): Use constant
3201         invalid_address instead of -1U.
3202
3203 2008-09-19  Cary Coutant  <ccoutant@google.com>
3204
3205         Add plugin functionality for link-time optimization (LTO).
3206         * configure.ac (plugins): Add --enable-plugins option.
3207         * configure: Regenerate.
3208         * config.in: Regenerate.
3209         * Makefile.am (LIBDL): New variable.
3210         (CCFILES): Add plugin.cc.
3211         (HFILES): Add plugin.h.
3212         (ldadd_var): Add LIBDL.
3213         * Makefile.in: Regenerate.
3214
3215         * archive.cc: Include "plugin.h".
3216         (Archive::setup): Don't preread archive symbols when using a plugin.
3217         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
3218         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
3219         files.
3220         (Archive::include_member): Add symbols from plugin objects.
3221         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
3222         * descriptors.cc (Descriptors::open): Check for file descriptors
3223         abandoned by plugins.
3224         (Descriptors::claim_for_plugin): New function.
3225         * descriptors.h (Descriptors::claim_for_plugin): New function.
3226         (Open_descriptor::is_claimed): New field.
3227         (claim_descriptor_for_plugin): New function.
3228         * fileread.cc (File_read::claim_for_plugin): New function.
3229         * fileread.h (File_read::claim_for_plugin): New function.
3230         (File_read::descriptor): New function.
3231         * gold.cc: Include "plugin.h".
3232         (queue_initial_tasks): Add task to call plugin hooks for generating
3233         new object files.
3234         * main.cc: Include "plugin.h".
3235         (main): Load plugin libraries.
3236         * object.h (Pluginobj): Declare.
3237         (Object::pluginobj): New function.
3238         (Object::do_pluginobj): New function.
3239         (Object::set_target): New function.
3240         * options.cc: Include "plugin.h".
3241         (General_options::parse_plugin): New function.
3242         (General_options::General_options): Initialize plugins_ field.
3243         (General_options::add_plugin): New function.
3244         * options.h (Plugin_manager): Declare.
3245         (General_options): Add --plugin option.
3246         (General_options::has_plugins): New function.
3247         (General_options::plugins): New function.
3248         (General_options::add_plugin): New function.
3249         (General_options::plugins_): New field.
3250         * plugin.cc: New file.
3251         * plugin.h: New file.
3252         * readsyms.cc: Include "plugin.h".
3253         (Read_symbols::do_read_symbols): Check for archive before checking
3254         for ELF file.  Call plugin hooks to claim files.
3255         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
3256         from a real object file; force override when processing replacement
3257         files.
3258         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
3259         (Symbol::init_base_object): Likewise.
3260         (Symbol::init_base_output_data): Likewise.
3261         (Symbol::init_base_output_segment): Likewise.
3262         (Symbol::init_base_constant): Likewise.
3263         (Symbol::init_base_undefined): Likewise.
3264         (Symbol::output_section): Assert that object is not a plugin.
3265         (Symbol_table::add_from_pluginobj): New function.
3266         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
3267         undefined.
3268         (Symbol_table::sized_write_globals): Likewise.
3269         (Symbol_table::add_from_pluginobj): Instantiate template.
3270         * symtab.h (Sized_pluginobj): Declare.
3271         (Symbol::in_real_elf): New function.
3272         (Symbol::set_in_real_elf): New function.
3273         (Symbol::in_real_elf_): New field.
3274         (Symbol_table::add_from_pluginobj): New function.
3275
3276         * testsuite/Makefile.am (AM_CFLAGS): New variable.
3277         (LIBDL): New variable.
3278         (LDADD): Add LIBDL.
3279         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
3280         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
3281         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
3282         (MOSTLYCLEANFILES): Likewise.
3283         * testsuite/Makefile.in: Regenerate.
3284         * testsuite/plugin_test.c: New file.
3285         * testsuite/plugin_test_1.sh: New file.
3286         * testsuite/plugin_test_2.sh: New file.
3287
3288 2008-09-16  Ian Lance Taylor  <iant@google.com>
3289
3290         * target-reloc.h (relocate_section): Check whether a symbol is
3291         defined by the ABI before reporting an undefined symbol error.
3292         * target.h (Target::is_defined_by_abi): Make parameter const.
3293         (Target::do_is_defined_by_abi): Likewise.
3294         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
3295         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
3296         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
3297         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
3298         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
3299         * testsuite/Makefile.in: Rebuild.
3300
3301         * fileread.cc (make_view): Add casts to avoid warning.
3302
3303 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
3304
3305         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
3306         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
3307
3308 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
3309
3310         * options.h (General_options::output_is_executable): New.
3311         (General_options::output_is_pie): New.
3312         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
3313         for shared libraries.
3314         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
3315
3316 2008-09-11  Chris Demetriou  <cgd@google.com>
3317
3318         * options.h (origin): New -z option.
3319         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
3320         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
3321         in DT_FLAGS_1.
3322
3323 2008-09-05  Cary Coutant  <ccoutant@google.com>
3324
3325         * fileread.cc (File_read::make_view): Add check for attempt to map
3326         beyond end of file.
3327
3328 2008-09-05  Cary Coutant  <ccoutant@google.com>
3329
3330         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
3331         explicit instantiations.
3332
3333 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
3334
3335         PR gold/6858
3336         * options.cc (General_options::finalize): Allow undefined symbols
3337         in shlibs if linking -shared.
3338
3339         PR gold/6859
3340         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
3341         symbols as not needing a dynsym entry.
3342
3343 2008-08-20  Craig Silverstein  <csilvers@google.com>
3344
3345         * fileread.cc (File_read::open): Do not lock the file unless it
3346         was successfully opened.
3347
3348 2008-08-14  Cary Coutant  <ccoutant@google.com>
3349
3350         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
3351         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
3352         * testsuite/tls_test.cc (struct int128): 128-bit struct
3353         for testing TLS relocs with non-zero addend.
3354         (v12): New TLS variable.
3355         (t12): New test.
3356         (t_last): Add check for v12.
3357         * testsuite/tls_test.h (t12): New function.
3358         * testsuite/tls_test_main.cc (thread_routine): Call new test.
3359
3360 2008-08-13  Ian Lance Taylor  <iant@google.com>
3361
3362         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
3363         set tls_segment_ or relro_segment_.
3364         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
3365         when appropriate.
3366         * output.h (Output_section::clear_is_relro): New function.
3367         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
3368         sections specially even when output_data_ is empty.
3369         (Output_segment::maximum_alignment): When first section is relro,
3370         only force alignment for PT_LOAD segments.
3371         * script.cc (script_data_segment_align): New function.
3372         (script_data_segment_relro_end): New function.
3373         * script-c.h (script_data_segment_align): Declare.
3374         (script_data_segment_relro_end): Declare.
3375         * script-sections.h (class Script_sections): Declare
3376         data_segment_align and data_segment_relro_end.  Add fields
3377         segment_align_index_ and saw_relro_end_.
3378         * script-sections.cc (class Sections_element): Add set_is_relro
3379         virtual function.  Add new bool* parameter to place_orphan_here.
3380         Add get_output_section virtual function.
3381         (class Output_section_definition): Add set_is_relro.  Add new
3382         bool* parameter to place_orphan_here.  Add get_output_section.
3383         Add is_relro_ field.
3384         (Output_section_definition::Output_section_definition): Initialize
3385         evaluated_address_, evaluated_load_address, evaluated_addralign_,
3386         and is_relro_ fields.
3387         (Output_section_definition::place_orphan_here): Add is_relro
3388         parameter.
3389         (Output_section_definition::set_section_addresses): Set relro for
3390         output section.
3391         (Output_section_definition::alternate_constraint): Likewise.
3392         (class Orphan_output_section): Add new bool* parameter to
3393         place_orphan_here.  Add get_output_section.
3394         (Orphan_output_section::place_orphan_here): Add is_relro
3395         parameter.
3396         (Script_sections::Script_sections): Initialize
3397         data_segment_align_index_ and saw_relro_end_.
3398         (Script_sections::data_segment_align): New function.
3399         (Script_sections::data_segment_relro_end): New function.
3400         (Script_sections::place_orphan): Set or clear is_relro.
3401         (Script_sections::set_section_addresses): Force alignment of first
3402         TLS section.
3403         * yyscript.y (exp): Call script_data_segment_align and
3404         script_data_segment_relro_end.
3405         * testsuite/relro_script_test.t: New file.
3406         * testsuite/relro_test.cc (using_script): Declare.
3407         (t1, t2): Test using_script.
3408         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
3409         (relro_script_test_SOURCES): Define.
3410         (relro_script_test_DEPENDENCIES): Define.
3411         (relro_script_test_LDFLAGS): Define.
3412         (relro_script_test_LDADD): Define.
3413         (relro_script_test.so): New target.
3414         * testsuite/Makefile.in: Rebuild.
3415
3416 2008-08-06  Cary Coutant <ccoutant@google.com>
3417
3418         * archive.cc (Archive::total_archives, Archive::total_members)
3419         (Archive::total_members_loaded): New variables.
3420         (Archive::setup): Add parameter.  Add option to preread
3421         archive symbols.
3422         (Archive::read_armap): Add counter.
3423         (Archive::get_file_and_offset): New function.
3424         (Archive::get_elf_object_for_member): New function.
3425         (Archive::read_all_symbols): New function.
3426         (Archive::read_symbols): New function.
3427         (Archive::add_symbols): Add counters.
3428         (Archive::include_all_members): Use armap to find members if it's
3429         already built.
3430         (Archive::include_member): Skip reading symbols if already read.
3431         Factored code into Archive::get_file_and_offset and
3432         Archive::get_elf_object_for_member.  Changed call to
3433         Mapfile::report_include_archive_member.
3434         (Archive::print_stats): New function.
3435         * archive.h: Declare Object and Read_symbols_data classes.
3436         (Archive::Archive): Add initializers for new members.
3437         (Archive::setup): Add parameter.
3438         (Archive::print_stats): New function.
3439         (Archive::total_archives, Archive::total_members)
3440         (Archive::total_members_loaded): New variables.
3441         (Archive::get_file_and_offset): New function.
3442         (Archive::get_elf_object_for_member): New function.
3443         (Archive::read_all_symbols): New function.
3444         (Archive::read_symbols): New function.
3445         (Archive::Archive_member): New class.
3446         (Archive::members_): New member.
3447         (Archive::num_members_): New member.
3448         * main.cc: Include archive.h.
3449         (main): Call Archive::print_stats.
3450         * mapfile.cc (Mapfile::report_include_archive_member): Delete
3451         archive parameter; member_name is now the fully-decorated name.
3452         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
3453         * options.h: (General_options): Add --preread-archive-symbols option.
3454         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
3455         Archive::setup.
3456
3457 2008-08-04  Ian Lance Taylor  <iant@google.com>
3458
3459         * symtab.h (Symbol::use_plt_offset): New function.
3460         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
3461         * powerpc.cc (Relocate::relocate): Likewise.
3462         * sparc.cc (Relocate::relocate): Likewise.
3463         * x86_64.cc (Relocate::relocate): Likewise.
3464         * testsuite/weak_plt.sh: New test.
3465         * testsuite/weak_plt_main.cc: New test.
3466         * testsuite/weak_plt_shared.cc: New test.
3467         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
3468         (check_PROGRAMS): Add weak_plt.
3469         (check_DATA): Add weak_plt_shared.so.
3470         (weak_plt_main_pic.o, weak_plt): New targets.
3471         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
3472         * testsuite/Makefile.in: Rebuild.
3473
3474         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
3475         gcctestdir/ld.
3476         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
3477         * testsuite/Makefile.in: Rebuild.
3478
3479 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
3480
3481         * Makefile.am (POTFILES.in): Set LC_ALL=C.
3482         * Makefile.in: Regenerate.
3483         * po/POTFILES.in: Regenerate.
3484
3485 2008-07-29  Ian Lance Taylor  <iant@google.com>
3486
3487         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
3488         symbols before other symbols.
3489         * testsuite/script_test_2.cc (test_addr): Declare.
3490         (test_addr_alias): Declare.
3491         (main): Check that test_addr and test_addr_alias have the right
3492         values.
3493         * testsuite/script_test_2.t: Define test_addr_alias and
3494         test_addr.
3495
3496 2008-07-24  Ian Lance Taylor  <iant@google.com>
3497
3498         PR 5990
3499         * descriptors.cc: New file.
3500         * descriptors.h: New file.
3501         * gold-threads.h (class Hold_optional_lock): New class.
3502         * fileread.cc: Include "descriptors.h".
3503         (File_read::~File_read): Release descriptor rather than closing
3504         it.
3505         (File_read::open) [file]: Call open_descriptor rather than open.
3506         Set is_descriptor_opened_.
3507         (File_read::open) [memory]: Assert that descriptor is not open.
3508         (File_read::reopen_descriptor): New function.
3509         (File_read::release): Release descriptor.
3510         (File_read::do_read): Make non-const.  Reopen descriptor.
3511         (File_read::read): Make non-const.
3512         (File_read::make_view): Reopen descriptor.
3513         (File_read::do_readv): Likewise.
3514         * fileread.h (class File_read): Add is_descriptor_opened_ field.
3515         Update declarations.
3516         * layout.cc: Include "descriptors.h".
3517         (Layout::create_build_id): Use open_descriptor rather than open.
3518         * output.cc: Include "descriptors.h".
3519         (Output_file::open): Use open_descriptor rather than open.
3520         * archive.cc (Archive::const_iterator): Change Archive to be
3521         non-const.
3522         (Archive::begin, Archive::end): Make non-const.
3523         (Archive::count_members): Likewise.
3524         * archive.h (class Archive): Update declarations.
3525         * object.h (Object::read): Make non-const.
3526         * Makefile.am (CCFILES): Add descriptors.cc.
3527         (HFILES): Add descriptors.h.
3528         * Makefile.in: Rebuild.
3529
3530         PR 6716
3531         * gold.h: Always include <clocale>.  Add Solaris workarounds
3532         following code in binutils/sysdep.h.
3533
3534         PR 6048
3535         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
3536         this->eh_frame_hdr_ is NULL before using it.
3537
3538         * dynobj.cc (Versions::Versions): Update comment.
3539
3540         * dynobj.cc (Versions::Versions): If there is an soname, use it as
3541         the base version name.
3542
3543         * stringpool.cc (Stringpool_template::add_with_length): Set key to
3544         array size plus one.
3545         (Stringpool_template::set_string_offsets): Subtract one from key
3546         before using it as an array index.
3547         (Stringpool_template::get_offset_with_length): Likewise.
3548         (Stringpool_template::write_to_buffer): Likewise.
3549         * stringpool.h (Stringpool_template::get_offset_from_key):
3550         Likewise.
3551
3552 2008-07-23  Ian Lance Taylor  <iant@google.com>
3553
3554         PR 6658
3555         * object.h (Merged_symbol_value::value): Do our best to handle a
3556         negative addend.
3557
3558         PR 6647
3559         * script.cc (Version_script_info::get_versions): Don't add empty
3560         version tag to return value.
3561         (Version_script_info::get_symbol_version_helper): Change return
3562         type to bool.  Add pversion parameter.  Change all callers.
3563         (script_register_vers_node): Don't require a non-NULL tag.
3564         * script.h (class Version_script_info): Update declarations.
3565         (Version_script_info::get_symbol_version): Change return type to
3566         bool.  Add version parameter.  Change all callers.
3567         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
3568         handling.  Handle an empty version from a version script.
3569         (Symbol_table::define_special_symbol): Likewise.
3570         * testsuite/ver_test_10.script: New file.
3571         * testsuite/ver_test_10.sh: New file.
3572         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
3573         (check_DATA): Add ver_test_10.syms.
3574         (ver_test_10.syms, ver_test_10.so): New target.
3575         * testsuite/Makefile.in: Rebuild.
3576
3577 2008-07-23  Simon Baldwin  <simonb@google.com>
3578
3579         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
3580         to zero for undefined symbols from dynamic libraries.
3581
3582 2008-07-23  Ian Lance Taylor  <iant@google.com>
3583
3584         * symtab.cc (Symbol_table::resolve): Remove version parameter.
3585         Change all callers.
3586         * symtab.h (class Symbol_table): Update declaration.
3587         * testsuite/ver_test_9.cc: New file.
3588         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
3589         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
3590         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
3591         (ver_test_9.so, ver_test_9.o): New targets.
3592         * testsuite/Makefile.in: Rebuild.
3593
3594 2008-07-22  Ian Lance Taylor  <iant@google.com>
3595
3596         * options.h (class General_options): Define --check-sections.
3597         * layout.cc (Layout::set_segment_offsets): Handle
3598         --check-sections.
3599
3600         * options.h (class General_options): Define -n/--nmagic and
3601         -N/--omagic.
3602         * options.cc (General_options::finalize): For -n/--nmagic or
3603         -N/--omagic, set -static.
3604         * layout.cc (Layout::attach_allocated_section_to_segment): If
3605         -N/--omagic, don't put read-only and read-write sections in
3606         different segments.
3607         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
3608         finding a read-only segment.
3609         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
3610         don't set the minimum segment alignment to the common page size,
3611         and don't set the file offset to the address modulo the page size.
3612         * script-sections.cc (Script_sections::create_segments): If
3613         -n/--omagic, don't put read-only and read-write sections in
3614         different segments.
3615
3616         * cref.cc: New file.
3617         * cref.h: New file.
3618         * options.h (class General_options): Add --print-symbol-counts.
3619         * main.cc (main): Issue defined symbol report if requested.
3620         * archive.cc (Archive::interpret_header): Make into a const member
3621         function.
3622         (Archive::add_symbols): Call Input_objects::archive_start and
3623         archive_stop.
3624         (Archive::const_iterator): Define new class.
3625         (Archive::begin, Archive::end): New functions.
3626         (Archive::include_all_members): Rewrite to use iterator.
3627         (Archive::count_members): New function.
3628         * archive.h (class Archive): Update declarations.
3629         (Archive::filename): New function.
3630         * object.cc: Include "cref.h".
3631         (Sized_relobj::Sized_relobj): Initialize defined_count_.
3632         (Sized_relobj::do_get_global_symbol_counts): New function.
3633         (Input_objects::add_object): Add object to cross-referencer.
3634         (Input_objects::archive_start): New function.
3635         (Input_objects::archive_stop): New function.
3636         (Input_objects::print_symbol_counts): New function.
3637         * object.h: Declare Cref and Archive.
3638         (Object::get_global_symbol_counts): New function.
3639         (Object::do_get_global_symbol_counts): New pure virtual function.
3640         (class Sized_relobj): Add defined_count_ field.  Update
3641         declarations.
3642         (class Input_objects): Add cref_ field.  Update constructor.
3643         Update declarations.
3644         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
3645         defined_count_.
3646         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
3647         symbol counts.
3648         (Sized_dynobj::do_get_global_symbol_counts): New function.
3649         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
3650         defined_count_.  Update declarations.  Define Symbols typedef.
3651         * symtab.cc (Symbol_table::add_from_relobj): Add defined
3652         parameter.  Change all callers.
3653         (Symbol_table::add_from_dynobj): Add sympointers and defined
3654         parameters.  Change all callers.
3655         * symtab.h (class Symbol_table): Update declarations.
3656         * Makefile.am (CCFILES): Add cref.cc.
3657         (HFILES): Add cref.h.
3658         * Makefile.in: Rebuild.
3659
3660 2008-07-22  Simon Baldwin  <simonb@google.com>
3661
3662         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
3663         to zero when writing undefined symbols.
3664
3665 2008-07-22  Ian Lance Taylor  <iant@google.com>
3666
3667         * output.cc (Output_section::add_input_section): Don't try to
3668         merge empty merge sections.
3669
3670 2008-07-21  Craig Silverstein  <csilvers@google.com>
3671
3672         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
3673         Include symbol version in error message.
3674
3675 2008-07-20  Chris Demetriou  <cgd@google.com>
3676
3677         * configure.ac (gold_cv_c_random_seed): New configured variable.
3678         (RANDOM_SEED_CFLAGS): New substituted variable.
3679         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
3680         * configure: Rebuild.
3681         * Makefile.in: Likewise.
3682         * testsuite/Makefile.in: Likewise.
3683
3684 2008-07-18  Ian Lance Taylor  <iant@google.com>
3685
3686         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
3687         where we see NAME/NULL and NAME/VERSION  as separate symbols.
3688         * testsuite/ver_test_main.cc (main): Call t4.
3689         (t4, t4_2a): Define.
3690         * testsuite/ver_test_2.cc (t4_2): Define.
3691         * testsuite/ver_test_2.script: Put t4_2a in VER2.
3692         * testsuite/ver_test_4.cc (t4_2a): Define.
3693         * testsuite/ver_test_4.script: Put t4_2a in VER2.
3694         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
3695
3696 2008-07-17  Ian Lance Taylor  <iant@google.com>
3697
3698         * dynobj.cc (Versions::add_def): If we give an error about a
3699         missing version, go ahead and create the version anyhow.
3700
3701 2008-07-10  Ian Lance Taylor  <iant@google.com>
3702
3703         Handle output sections with more than 0x7fffffff bytes.
3704         * object.h (class Relobj): Change map_to_output_ to
3705         output_sections_, and just keep a section pointer.  Change all
3706         uses.  Move comdat group support to Sized_relobj.
3707         (Relobj::is_section_specially_mapped): Remove.
3708         (Relobj::output_section): Remove poff parameter.  Change all
3709         callers.
3710         (Relobj::output_section_offset): New function.
3711         (Relobj::set_section_offset): Rewrite.
3712         (Relobj::map_to_output): Remove.
3713         (Relobj::output_sections): New function.
3714         (Relobj::do_output_section_offset): New pure virtual function.
3715         (Relobj::do_set_section_offset): Likewise.
3716         (class Sized_relobj): Add section_offsets_ field.  Add comdat
3717         group support from Relobj.  Update declarations.
3718         (Sized_relobj::get_output_section_offset): New function.
3719         (Sized_relobj::do_output_section_offset): New function.
3720         (Sized_relobj::do_set_section_offset): New function.
3721         * object.cc (Relobj::output_section_address): Remove.
3722         (Sized_relobj::Sized_relobj): Initialize new fields.
3723         (Sized_relobj::include_section_group): Cast find_kept_object to
3724         Sized_relobj.
3725         (Sized_relobj::include_linkonce_section): Likewise.
3726         (Sized_relobj::do_layout): Use separate arrays for output section
3727         and output offset.
3728         (Sized_relobj::do_count_local_symbols): Change map_to_output to
3729         output_sections.
3730         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
3731         output_sections and section_offsets.
3732         (Sized_relobj::write_local_symbols): Likewise.
3733         (map_to_kept_section): Compute output address directly.
3734         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
3735         output_sections and section_offsets.
3736         (Sized_relobj::write_sections): Likewise.
3737         (Sized_relobj::relocate_sections): Likewise.
3738         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
3739         * output.h (class Output_reloc): Update declarations.  Change
3740         u2_.relobj to Sized_relobj*.
3741         (class Output_data_reloc): Change add functions to use
3742         Sized_relobj*.
3743         * output.cc (Output_reloc::Output_reloc): Change relobj to
3744         Sized_relobj*.
3745         (Output_reloc::local_section_offset): Change return type to
3746         Elf_Addr.  Use get_output_section_offset.
3747         (Output_reloc::get_address): Likewise.
3748         (Output_section::is_input_address_mapped): Don't call
3749         is_section_specially_mapped.
3750         (Output_section::output_offset): Likewise.
3751         (Output_section::output_address): Likewise.
3752         (Output_section::starting_output_address): Likewise.
3753         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
3754         parameter to Sized_relobj*.
3755         (Copy_relocs::need_copy_reloc): Likewise.
3756         (Copy_relocs::save): Likewise.
3757         * copy-relocs.h (class Copy_relocs): Update declarations.
3758         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
3759         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
3760         * target-reloc.h (relocate_for_relocatable): Change
3761         offset_in_output_section type to Elf_Addr.  Change code that uses
3762         it as well.
3763         * layout.cc (Layout::layout): Always set *off.
3764         * mapfile.cc (Mapfile::print_input_section): Use
3765         output_section_offset.
3766         * i386.cc (Target_i386::copy_reloc): Change object parameter to
3767         Sized_relobj*.
3768         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
3769         * sparc.cc (Target_sparc::copy_reloc): Likewise.
3770         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
3771
3772 2008-07-03  Ian Lance Taylor  <iant@google.com>
3773
3774         * layout.cc (Layout::include_section): Do not discard unrecognized
3775         SHT_STRTAB sections.
3776
3777 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
3778
3779         * script.cc (Lex::can_continue_name): Make '?' allowable in
3780         version-script names.
3781         * testsuite/version_script.map: Change glob pattern to use '?'
3782
3783 2008-06-30  Manish Singh  <yosh@gimp.org>
3784
3785         PR 6585
3786         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
3787         Correct typo.
3788
3789 2008-06-30  Ian Lance Taylor  <iant@google.com>
3790
3791         PR 6660
3792         PR 6682
3793         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
3794         versions]: Don't try to read the value in the contents, since we
3795         don't use it.  Use the template endianness when writing.
3796
3797 2008-06-25  Cary Coutant  <ccoutant@google.com>
3798
3799         * fileread.cc (File_read::make_view): Assert on zero-length view.
3800         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
3801         symbol table when there are no symbols to read.
3802
3803 2008-06-23  Craig Silverstein  <csilvers@google.com>
3804
3805         * version.cc (version_string): Bump to 1.7
3806
3807 2008-06-18  Craig Silverstein  <csilvers@google.com>
3808
3809         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
3810         constant 0xFFFF to type Valtype.
3811         (Powerpc_relocate_functions::rel16_ha): Likewise.
3812
3813 2008-06-17  Ian Lance Taylor  <iant@google.com>
3814
3815         * output.h (Output_section::Input_section): Initialize p2align_ to
3816         zero for Output_section_data constructors.
3817         (Output_section::Input_section::addralign): If not an input
3818         section, return the alignment of the Output_section_data.
3819         * testsuite/copy_test.cc: New file.
3820         * testsuite/copy_test_1.cc: New file.
3821         * testsuite/copy_test_2.cc: New file.
3822         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
3823         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
3824         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
3825         (copy_test_1_pic.o, copy_test_1.so): New targets.
3826         (copy_test_2_pic.o, copy_test_2.so): New targets.
3827         * testsuite/Makefile.in: Rebuild.
3828
3829         * script-sections.cc (Script_sections::place_orphan): Initialize
3830         local variable exact.
3831
3832 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
3833
3834         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
3835
3836 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
3837             David S. Miller  <davem@davemloft.net>
3838
3839         * powerpc.cc: New file.
3840         * Makefile.am (TARGETSOURCES): Add powerpc.cc
3841         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
3842         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
3843         * Makefile.in: Rebuild.
3844
3845 2008-06-09  Ian Lance Taylor  <iant@google.com>
3846
3847         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
3848         <exception>.
3849         (throwing, orig_terminate): New static variables.
3850         (terminate_handler): New static function.
3851         (t2): Set terminate handler.
3852
3853 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
3854
3855         PR 6584
3856         * binary.cc (Binary_to_elf::sized_convert): Fix .data
3857         alignment.
3858
3859 2008-05-30  Cary Coutant  <ccoutant@google.com>
3860
3861         * archive.cc (Archive::include_all_members) Correct to step
3862         over symbol table and extended name table in thin archives.
3863
3864 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
3865
3866         PR 6407
3867         * target-reloc.h (relocate_for_relocatable): Fix new_offset
3868         calculation.
3869
3870 2008-05-28  Caleb Howe  <cshowe@google.com>
3871
3872         * reduced_debug_output.cc: New file.
3873         * reduced_debug_output.h: New file.
3874         * options.h (class General_options): Add --strip-debug-non-line.
3875         * options.cc (General_options::finalize): Add strip_debug_non_line
3876         to the strip heirarchy.
3877         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
3878         fields.
3879         * layout.cc: Include "reduced_debug_output.h".
3880         (Layout::Layout): Initialize new fields.
3881         (line_only_debug_sections): New static array.
3882         (is_lines_only_debug_sections): New static inline function.
3883         (Layout::include_section): Handle --strip-debug-non-line.
3884         (Layout::make_output_section): If --strip-debug-non-line, build
3885         new output sections for .debug_abbrev and .debug_info.
3886         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
3887         gold.  Warn about possible overflow.
3888         (read_signed_LEB_128): Likewise.
3889         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
3890         (read_signed_LEB_128): Declare.
3891         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
3892         (HFILES): Add reduced_debug_output.h.
3893         * Makefile.in: Rebuild.
3894
3895 2008-05-21  Ian Lance Taylor  <iant@google.com>
3896
3897         * mapfile.cc: New file.
3898         * mapfile.h: New file.
3899         * options.h (class General_options): Add -M/--print-map and -Map.
3900         * options.cc (General_options::finalize): Make -M equivalent to
3901         -Map -.
3902         * main.cc: Include <cstdio> and "mapfile.h".
3903         (main): Open mapfile if requested.
3904         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
3905         constructor.  Change caller.
3906         (queue_initial_tasks): Add mapfile parameter.  Change caller.
3907         (queue_middle_tasks): Likewise.
3908         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
3909         declarations.
3910         * archive.cc: Include "mapfile.h".
3911         (Archive::add_symbols): Add mapfile parameter.  Change all
3912         callers.  Pass mapfile, symbol, and reason to include_member.
3913         (Archive::include_all_members): Add mapfile parameter.  Change all
3914         callers.
3915         (Archive::include_member): Add mapfile, sym, and why parameters.
3916         Change all callers.  Report inclusion to map file.
3917         * archive.h: Include "fileread.h".
3918         (class Archive): Update declarations.
3919         (Archive::file): New const method.
3920         (class Add_archive_symbols): Add mapfile_ field.  Update
3921         constructor.  Change all callers.
3922         * readsyms.h (class Read_symbols): Likewise.
3923         (class Finish_group): Likewise.
3924         (class Read_script): Likewise.
3925         * common.cc: Include "mapfile.h".
3926         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
3927         all callers.
3928         (Symbol_table::do_allocate_commons): Likewise.
3929         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
3930         symbol allocation to mapfile.
3931         * common.h (class Allocate_commons_task): Add mapfile_ field.
3932         Update constructor.  Change all callers.
3933         * symtab.h (class Symbol_table): Update declarations.
3934         * layout.cc: Include "mapfile.h".
3935         (Layout_task_runner::run): Print information to mapfile.
3936         (Layout::create_gold_note): Change Output_data_fixed_space to
3937         Output_data_zero_fill.
3938         (Layout::create_build_id): Likewise.
3939         (Layout::print_to_mapfile): New function.
3940         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
3941         constructor.  Change caller.
3942         (class Layout): Declare print_to_mapfile.
3943         * output.cc (Output_section::Input_section::print_to_mapfile): New
3944         function.
3945         (Output_section::add_input_section): If producing a map, always
3946         add to input_sections_ list.
3947         (Output_section::do_print_to_mapfile): New function.
3948         (Output_segment::print_sections_to_mapfile): New function.
3949         (Output_segment::print_section_list_to_mapfile): New function.
3950         * output.h: Include "mapfile.h".
3951         (Output_data::print_to_mapfile): New function.
3952         (Output_data::do_print_to_mapfile): New virtual function.
3953         (Output_segment_headers::do_print_to_mapfile): New function.
3954         (Output_file_header::do_print_to_mapfile): New function.
3955         (Output_data_const::do_print_to_mapfile): New function.
3956         (class Output_data_const_buffer): Add map_name_ field.  Update
3957         constructor.  Change all callers.  Add do_print_to_mapfile
3958         function.
3959         (class Output_data_fixed_space): Likewise.
3960         (class Output_data_space): Likewise.
3961         (class Output_data_zero_fill): New class.
3962         (Output_data_strtab::do_print_to_mapfile): New function.
3963         (Output_data_reloc_base::do_print_to_mapfile): New function.
3964         (Output_relocatable_relocs::do_print_to_mapfile): New function.
3965         (Output_data_group::do_print_to_mapfile): New function.
3966         (Output_data_got::do_print_to_mapfile): New function.
3967         (Output_data_dynamic::do_print_to_mapfile): New function.
3968         (Output_symtab_xindex::do_print_to_mapfile): New function.
3969         (class Output_section): Declare do_print_to_mapflie.  Declare
3970         print_to_mapfile in Input_section.
3971         (class Output_segment): Declare new functions.
3972         * object.h (Sized_relobj::symbol_count): New function.
3973         * script-sections.cc
3974         (Output_section_element_dot_assignment::set_section_addresses):
3975         Change Output_data_fixed_space to Output_data_zero_fill.
3976         (Output_data_expression::do_print_to_mapfile): New function.
3977         * script.cc (read_input_script): Add mapfile parameter.  Change
3978         all callers.
3979         * script.h (read_input_script): Update declaration.
3980         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
3981         (Eh_frame::do_print_to_mapfile): New function.
3982         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
3983         (Output_merge_string::do_print_to_mapfile): New function.
3984         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
3985         function.
3986         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
3987         function.
3988         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
3989         function.
3990         * Makefile.am (CCFILES): Add mapfile.cc.
3991         (HFILES): Add mapfile.h.
3992         * Makefile.in: Rebuild.
3993
3994 2008-05-19  Ian Lance Taylor  <iant@google.com>
3995
3996         * options.h (class General_options): Add -z relro.
3997         * layout.cc (Layout::Layout): Initialize relro_segment_.
3998         (Layout::add_output_section_data): Return the output section.
3999         (Layout::make_output_section): Rcognize relro sections and mark
4000         them appropriately.
4001         (Layout::attach_allocated_section_to_segment): Put relro sections
4002         in a PT_GNU_RELRO segment.
4003         (Layout::create_initial_dynamic_sections): Mark the .dynamic
4004         section as relro.
4005         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
4006         PT_TLS segments.
4007         (Layout::linkonce_mapping): Map d.rel.ro.local to
4008         .data.rel.ro.local.
4009         (Layout::output_section_name): Us .data.rel.ro.local for any
4010         section which begins with that.
4011         * layout.h (class Layout): Update add_output_section_data
4012         declaration.  Add relro_segment_ field.
4013         * output.cc (Output_section::Output_section): Initialize is_relro_
4014         and is_relro_local_ fields.
4015         (Output_segment::add_output_section): Group relro sections.
4016         (Output_segment::is_first_section_relro): New function.
4017         (Output_segment::maximum_alignment): If there is a relro section,
4018         align the segment to the common page size.
4019         (Output_segment::set_section_addresses): Track whether we are
4020         looking at relro sections.  If the last section is a relro
4021         section, align to the common page size.
4022         (Output_segment::set_section_list_addresses): Add in_relro
4023         parameter.  Change all callers.  Align to the page size when
4024         moving from relro to non-relro section.
4025         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
4026         segment.
4027         * output.h (class Output_section): Add is_relro_ and
4028         is_relro_local_ fields.
4029         (Output_section::is_relro): New function.
4030         (Output_section::set_is_relro): New function.
4031         (Output_section::is_relro_local): New function.
4032         (Output_section::set_is_relro_local): New function.
4033         (class Output_segment): Update declarations.
4034         * i386.cc (Target_i386::got_section): Mark .got section as relro.
4035         * sparc.cc (Target_sparc::got_section): Likewise.
4036         * x86_64.cc (Target_x86_64::got_section): Likewise.
4037         * testsuite/relro_test_main.cc: New file.
4038         * testsuite/relro_test.cc: New file.
4039         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
4040         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
4041         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
4042         (relro_test.so, relro_test_pic.o): New targets.
4043         * testsuite/Makefile.in: Rebuild.
4044
4045 2008-05-16  Ian Lance Taylor  <iant@google.com>
4046
4047         * output.cc (Output_segment::add_output_section): Remove front
4048         parameter.
4049         * output.h (class Output_segment): Remove
4050         add_initial_output_section and overloaded add_output_section.
4051         Update declaration of remaining add_output_section.
4052         * layout.cc (Layout::create_interp): Call add_output_section
4053         rather than add_initial_output_section.
4054         (Layout::finish_dynamic_section): Likewise.
4055
4056         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
4057         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
4058         know the dynamic type.
4059         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
4060         field.  Initialize it in constructor.
4061         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
4062         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
4063         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
4064         reloc.
4065
4066         * output.cc (Output_reloc::get_address): Change return type to
4067         Elf_Addr.
4068         * output.h (class Output_reloc): Update get_address declaration.
4069         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
4070         for section addresses.
4071
4072 2008-05-09  Ian Lance Taylor  <iant@google.com>
4073
4074         PR 6493
4075         * gold.cc (gold_nomem): Use return value of write.
4076
4077 2008-05-08  Ian Lance Taylor  <iant@google.com>
4078
4079         * symtab.c (Symbol::init_base_output_data): Add version
4080         parameter.  Change all callers.
4081         (Symbol::init_base_output_segment): Likewise.
4082         (Symbol::init_base_constant): Likewise.
4083         (Symbol::init_base_undefined): Likewise.
4084         (Sized_symbol::init_output_data): Likewise.
4085         (Sized_symbol::init_output_segment): Likewise.
4086         (Sized_symbol::init_constant): Likewise.
4087         (Sized_symbol::init_undefined): Likewise.
4088         (Symbol_table::do_define_in_output_data): If the new symbol has a
4089         version, mark it as the default.
4090         (Symbol_table::do_define_in_output_segment): Likewise.
4091         (Symbol_table::do_define_as_constant): Likewise.
4092         * symtab.h (class Symbol): Update declarations.
4093         (class Sized_symbol): Likewise.
4094         * resolve.cc (Symbol::override_version): New function.
4095         (Symbol::override_base): Call override_version.
4096         (Symbol::override_base_with_special): Likewise.
4097         * testsuite/ver_script_8.script: New file.
4098         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
4099         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
4100         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
4101         (ver_test_8_1.so, ver_test_8_2.so): New targets.
4102
4103 2008-05-06  Ian Lance Taylor  <iant@google.com>
4104
4105         PR 6049
4106         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
4107         functions.
4108         (class General_options): Remove existing --undefined, and add
4109         --no-undefined instead.  Add new --undefined as synonym for -u.
4110         * archive.cc (Archive::add_symbols): Check whether symbol was
4111         named with -u.
4112         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
4113         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
4114         all uses.  Add IS_UNDEFINED.  Update declarations to split
4115         different versions of init_base.  Declare init_base_undefined.
4116         (Symbol::is_defined): Handle IS_UNDEFINED.
4117         (Symbol::is_undefined): Likewise.
4118         (Symbol::is_weak_undefined): Call is_undefined.
4119         (Symbol::is_absolute): Handle IS_CONSTANT.
4120         (class Sized_symbol): Update declarations to split different
4121         versions of init.  Declare init_undefined.
4122         (class Symbol_table): Declare new functions.
4123         * symtab.cc (Symbol::init_base_object): Rename from init_base.
4124         Change all callers.
4125         (Symbol::init_base_output_data): Likewise.
4126         (Symbol::init_base_output_segment): Likewise.
4127         (Symbol::init_base_constant): Likewise.
4128         (Symbol::init_base_undefined): New function.
4129         (Sized_symbol::init_object): Rename from init.  Change all
4130         callers.
4131         (Sized_symbol::init_output_data): Likewise.
4132         (Sized_symbol::init_output_segment): Likewise.
4133         (Sized_symbol::init_constant): Likewise.
4134         (Sized_symbol::init_undefined): New function.
4135         (Symbol_table::add_undefined_symbols_from_command_line): New
4136         function.
4137         (Symbol_table::do_add_undefined_symbols_from_command_line): New
4138         function.
4139         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
4140         (Symbol::output_section): Likewise.
4141         (Symbol::set_output_section): Likewise.
4142         (Symbol_table::sized_finalize_symbol): Likewise.
4143         (Symbol_table::sized_write_globals): Likewise.
4144         * resolve.cc (Symbol_table::should_override): Likewise.
4145         (Symbol::override_base_with_special): Likewise.
4146
4147         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
4148         symbol, change it to have default visibility.
4149         * testsuite/protected_1.cc: New file.
4150         * testsuite/protected_2.cc: New file.
4151         * testsuite/protected_3.cc: New file.
4152         * testsuite/protected_main_1.cc: New file.
4153         * testsuite/protected_main_2.cc: New file.
4154         * testsuite/protected_main_3.cc: New file.
4155         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
4156         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
4157         (protected_1_LDFLAGS, protected_1_LDADD): Define.
4158         (protected_1.so): New target.
4159         (protected_1_pic.o, protected_2_pic.o): New targets.
4160         (protected_3_pic.o): New target.
4161         (check_PROGRAMS): Add protected_2.
4162         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
4163         (protected_2_LDFLAGS, protected_2_LDADD): Define.
4164         * testsuite/Makefile.in: Rebuild.
4165
4166         * options.h (DEFINE_var): Add set_user_set_##varname__.
4167         (DEFINE_bool_alias): New macro.
4168         (class General_options): Define -Bstatic using DEFINE_bool_alias
4169         rather than DEFINE_special.  Add --undefined as an alias for -z
4170         defs.
4171         * options.cc (General_options::parse_Bstatic): Remove.
4172
4173         * options.h (class General_options): Add --fatal-warnings.
4174         * main.cc (main): Implement --fatal-warnings.
4175         * errors.h (Errors::warning_count): New function.
4176
4177         * options.h (class General_options): Add -Bsymbolic-functions.
4178         * symtab.h (Symbol::is_preemptible): Check for
4179         -Bsymbolic-functions.
4180
4181 2008-05-05  Ian Lance Taylor  <iant@google.com>
4182
4183         * options.h (DEFINE_bool): For DASH_Z, create the negative option
4184         as noVARNAME rather than no-VARNAME.
4185         (class General_options): Add option -z combreloc.
4186         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
4187         get_address.
4188         (Output_reloc::sort_before) [SHT_REL]: New function.
4189         (Output_reloc::sort_before) [SHT_RELA]: New function.
4190         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
4191         Sort_relocs_comparison.
4192         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
4193         parameter.  Change all callers.
4194         (Output_data_reloc::Output_data_reloc) [both versions]: Add
4195         sort_relocs parameter.  Change all callers.
4196         * output.cc (Output_reloc::get_address): New function, broken out
4197         of write_rel.
4198         (Output_reloc::write_rel): Call it.
4199         (Output_reloc::compare): New function.
4200         (Output_data_reloc_base::do_write): Optionally sort relocs.
4201
4202         * configure.ac: If targ_extra_obj is set, link it in.
4203         * configure.tgt: Initialize all variables.
4204         (x86_64*): Set targ_extra_obj and targ_extra_size.
4205         * configure: Rebuild.
4206
4207         * object.cc (Sized_relobj::include_section_group): Adjust section
4208         indexes read from group data.  Build vector to pass to
4209         layout_group.
4210         * layout.cc (Layout::layout_group): Add flags and shndxes
4211         parameters.  Remove contents parameter.  Change caller.  Update
4212         explicit instantiations.
4213         * layout.h (class Layout): Update layout_group declaration.
4214         * output.cc (Output_data_group::Output_data_group): Add flags and
4215         input_shndxes parameters.  Remove contents parameter.  Change
4216         caller.
4217         (Output_data_group::do_write): Change input_sections_ to
4218         input_shndxes_.
4219         * output.h (class Output_data_group): Update constructor
4220         declaration.  Rename input_sections_ to input_shndxes_.
4221         * testsuite/many_sections_test.cc: Add template.
4222
4223 2008-04-30  Cary Coutant  <ccoutant@google.com>
4224
4225         * target-reloc.h (relocate_section): Fix dead-pointer bug.
4226
4227         * layout.cc (Layout::include_section): Refactored check for debug
4228         info section.
4229         (Layout::add_comdat): Add new parameters.  Change type
4230         of signature parameter.  Add object and shndx to signatures table.
4231         (Layout::find_kept_object): New function.
4232         * layout.h: Include <cstring>.
4233         (Layout::is_debug_info_section): New function.
4234         (Layout::add_comdat): Add new parameters.
4235         (Layout::find_kept_object): New function.
4236         (Layout::Kept_section): New struct.
4237         (Layout::Signatures): Change type of map range.
4238         * object.cc (Relobj::output_section_address): New function.
4239         (Sized_relobj::include_section_group): Add new parameters.  Change
4240         calls to Layout::add_comdat.  Change to build table of kept comdat
4241         groups and table mapping discarded sections to kept sections.
4242         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
4243         (Sized_relobj::do_layout): Change calls to include_section_group and
4244         include_linkonce_section.
4245         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
4246         value to zero when section is discarded.
4247         (Sized_relobj::map_to_kept_section): New function.
4248         * object.h (Relobj::output_section_address): New function.
4249         (Relobj::Comdat_group): New type.
4250         (Relobj::find_comdat_group): New function.
4251         (Relobj::Comdat_group_table): New type.
4252         (Relobj::Kept_comdat_section): New type.
4253         (Relobj::Kept_comdat_section_table): New type.
4254         (Relobj::add_comdat_group): New function.
4255         (Relobj::set_kept_comdat_section): New function.
4256         (Relobj::get_kept_comdat_section): New function.
4257         (Relobj::comdat_groups_): New field.
4258         (Relobj::kept_comdat_sections_): New field.
4259         (Symbol_value::input_value): Update comment.
4260         (Sized_relobj::map_to_kept_section) New function.
4261         (Sized_relobj::include_linkonce_section): Add new parameter.
4262         * target-reloc.h (Comdat_behavior): New type.
4263         (get_comdat_behavior): New function.
4264         (relocate_section): Add code to map a discarded section to the
4265         corresponding kept section when applying a relocation.
4266
4267 2008-04-30  Craig Silverstein  <csilvers@google.com>
4268
4269         * dwarf_reader.cc (next_generation_count): New static var.
4270         (Addr2line_cache_entry): New struct.
4271         (addr2line_cache): New static var.
4272         (Dwarf_line_info::one_addr2line): Added caching.
4273         (Dwarf_line_info::clear_addr2line_cache): New function.
4274         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
4275         cache-size parameter.
4276         (Dwarf_line_info::one_addr2line_cache): New function.
4277         * symtab.cc (Symbol_table::detect_odr_violations): Pass
4278         new cache-size argument to one_addr2line(), and clear cache.
4279
4280 2008-04-28  Cary Coutant  <ccoutant@google.com>
4281
4282         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
4283         R_386_PC8 relocations.
4284
4285 2008-04-23  Ian Lance Taylor  <iant@google.com>
4286
4287         * object.cc (Sized_relobj::include_section_group): Check for
4288         invalid section group.
4289
4290         * object.cc (make_elf_object): Correct test for 64-bit ELF file
4291         header size.
4292
4293         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
4294         than read for file header.
4295         * archive.cc (Archive::include_member): Likewise.
4296
4297 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
4298
4299         * aclocal.m4: Regenerate.
4300         * configure: Regenerate.
4301
4302 2008-04-19  Ian Lance Taylor  <iant@google.com>
4303
4304         * version.cc (version_string): Bump to 1.6.
4305
4306         * testsuite/Makefile.am (many_sections_r_test): New target.
4307         (many_sections_r_test_SOURCES): Remove.
4308         (many_sections_r_test_DEPENDENCIES): Remove.
4309         (many_sections_r_test_LDFLAGS): Remove.
4310         (many_sections_r_test_LDADD): Remove.
4311
4312         * object.cc (Sized_relobj::do_add_symbols): Always pass
4313         local_symbol_count_ to add_from_relobj.
4314
4315         * testsuite/Makefile.am (many_sections_check.h): Only check one in
4316         every thousand variables.
4317         * testsuite/Makefile.in: Rebuild.
4318
4319         * object.cc (Xindex::initialize_symtab_xindex): New function.
4320         (Xindex::read_symtab_xindex): New function.
4321         (Xindex::sym_xindex_to_shndx): New function.
4322         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
4323         available.
4324         (Sized_relobj::do_initialize_xindex): New function.
4325         (Sized_relobj::do_read_symbols): Adjust section links.
4326         (Sized_relobj::symbol_section_and_value): Add is_ordinary
4327         parameter.  Change all callers.
4328         (Sized_relobj::include_section_group): Adjust section links and
4329         symbol section indexes.
4330         (Sized_relobj::do_layout): Adjust section links.
4331         (Sized_relobj::do_count_local_symbols): Adjust section links and
4332         symbol section indexes.
4333         (Sized_relobj::do_finalize_local_symbols): Distinguish between
4334         ordinary and special symbols.
4335         (Sized_relobj::write_local_symbols): Add symtab_xindex and
4336         dynsym_xindex parameters.  Change all callers.  Adjust section
4337         links.  Use SHN_XINDEX when needed.
4338         (Sized_relobj::get_symbol_location_info): Adjust section links.
4339         Don't get fooled by special symbols.
4340         * object.h (class Xindex): Define.
4341         (class Object): Add xindex_ parameter.  Declare virtual functoin
4342         do_initialize_xindex.
4343         (Object::adjust_sym_shndx): New function.
4344         (Object::set_xindex): New protected function.
4345         (class Symbol_value): Add is_ordinary_shndx_ field.
4346         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
4347         (Symbol_value::value): Assert ordinary section.
4348         (Symbol_value::initialize_input_to_output_map): Likewise.
4349         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
4350         Change all callers.
4351         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
4352         all callers.
4353         (class Sized_relobj): Update declarations.
4354         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
4355         parameter.  Change all callers.
4356         (Sized_relobj::adjust_shndx): New function.
4357         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
4358         field.
4359         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
4360         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
4361         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
4362         (Sized_dynobj::read_dynsym_section): Adjust section links.
4363         (Sized_dynobj::read_dynamic): Likewise.
4364         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
4365         section links.
4366         (Sized_dynobj::do_initialize_xindex): New function.
4367         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
4368         do_initialize_xindex.
4369         (Sized_dynobj::adjust_shndx): New function.
4370         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
4371         dynsym_xindex_ fields.
4372         (Layout::finalize): Add a call to set_section_indexes before
4373         creating the symtab sections.
4374         (Layout::set_section_indexes): Don't do anything if the section
4375         already has a section index.
4376         (Layout::create_symtab_sections): Add shnum parameter.  Change
4377         caller.  Create .symtab_shndx section if needed.
4378         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
4379         caller.
4380         (Layout::allocated_output_section_count): New function.
4381         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
4382         needed.
4383         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
4384         fields.  Update declarations.
4385         (Layout::symtab_xindex): New function.
4386         (Layout::dynsym_xindex): New function.
4387         (class Write_symbols_task): Add layout_ field.
4388         (Write_symbols_task::Write_symbols_task): Add layout parameter.
4389         Change caller.
4390         * output.cc (Output_section_headers::Output_section_headers): Add
4391         shstrtab_section parameter.  Change all callers.
4392         (Output_section_headers::do_sized_write): Store overflow values
4393         for section count and section string table section index in
4394         section header zero.
4395         (Output_file_header::do_sized_write): Check for overflow of
4396         section count and section string table section index.
4397         (Output_symtab_xindex::do_write): New function.
4398         (Output_symtab_xindex::endian_do_write): New function.
4399         * output.h (class Output_section_headers): Add shstrtab_section_.
4400         Update declarations.
4401         (class Output_symtab_xindex): Define.
4402         (Output_section::has_out_shndx): New function.
4403         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
4404         field.
4405         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
4406         Change all callers.
4407         (Sized_symbol::init): Likewise.
4408         (Symbol::output_section): Check for ordinary symbol.
4409         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
4410         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
4411         callers.
4412         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
4413         Change all callers.  Simplify handling of symbols from sections
4414         not included in the link.
4415         (Symbol_table::add_from_dynobj): Handle ordinary symbol
4416         distinction.
4417         (Weak_alias_sorter::operator()): Assert that symbols are
4418         ordinary.
4419         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
4420         distinction.
4421         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
4422         parameters.  Change all callers.
4423         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
4424         symbol distinction.  Use SHN_XINDEX when needed.
4425         (Symbol_table::write_section_symbol): Add symtab_xindex
4426         parameter.  Change all callers.
4427         (Symbol_table::sized_write_section_symbol): Likewise.  Use
4428         SHN_XINDEX when needed.
4429         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
4430         declarations.
4431         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
4432         (Symbol::is_defined): Check is_ordinary.
4433         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
4434         (Symbol::is_absolute, Symbol::is_common): Likewise.
4435         (class Sized_symbol): Update declarations.
4436         (class Symbol_table): Update declarations.
4437         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
4438         parameters.  Change all callers.
4439         (Sized_symbol::override): Likewise.
4440         (Symbol_table::override): Likewise.
4441         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
4442         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
4443         is_ordinary, and orig_st_shndx parameters.  Change all callers.
4444         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
4445         to be in an ordinary section.
4446         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
4447         object and is_ordinary parameters.  Change all callers.
4448         (Sized_dwarf_line_info::read_relocs): Add object parameter.
4449         Change all callers.  Don't add undefined or non-ordinary symbols
4450         to reloc_map_.
4451         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
4452         Change all callers.
4453         * dwarf_reader.h (class Sized_dwarf_line_info): Update
4454         declarations.
4455         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
4456         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
4457         (Sized_relobj::relocate_sections): Likewise.
4458         * target-reloc.h (scan_relocs): Adjust section symbol index.
4459         (scan_relocatable_relocs): Likewise.
4460         * i386.cc (Scan::local): Check for ordinary symbols.
4461         * sparc.cc (Scan::local): Likewise.
4462         * x86_64.cc (Scan::local): Likewise.
4463         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
4464         to symbol_section_and_value.
4465         * testsuite/many_sections_test.cc: New file.
4466         * testsuite/Makefile.am (BUILT_SOURCES): Define.
4467         (check_PROGRAMS): Add many_sections_test.
4468         (many_sections_test_SOURCES): Define.
4469         (many_sections_test_DEPENDENCIES): Define.
4470         (many_sections_test_LDFLAGS): Define.
4471         (BUILT_SOURCES): Add many_sections_define.h.
4472         (many_sections_define.h): New target.
4473         (BUILT_SOURCES): Add many_sections_check.h.
4474         (many_sections_check.h): New target.
4475         (check_PROGRAMS): Add many_sections_r_test.
4476         (many_sections_r_test_SOURCES): Define.
4477         (many_sections_r_test_DEPENDENCIES): Define.
4478         (many_sections_r_test_LDFLAGS): Define.
4479         (many_sections_r_test_LDADD): Define.
4480         (many_sections_r_test.o): New target.
4481         * testsuite/Makefile.in: Rebuild.
4482
4483 2008-04-17  Cary Coutant  <ccoutant@google.com>
4484
4485         * errors.cc (Errors::info): New function.
4486         (gold_info): New function.
4487         * errors.h (Errors::info): New function.
4488         * gold.h (gold_info): New function.
4489         * object.cc (Input_objects::add_object): Print trace output.
4490         * options.cc (options::parse_set): New function.
4491         (General_options::parse_wrap): Deleted.
4492         (General_options::General_options): Deleted initializer.
4493         * options.h (options::String_set): New typedef.
4494         (options::parse_set): New function.
4495         (DEFINE_set): New macro.
4496         (General_options::wrap): Changed to use DEFINE_set. Changed
4497         callers of any_wrap_symbols and is_wrap_symbol.
4498         (General_options::trace, General_options::trace_symbol):
4499         New options.
4500         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
4501         (General_options::wrap_symbols_): Deleted.
4502         * symtab.cc (Symbol_table::add_from_object): Print trace output.
4503
4504 2008-04-17  David S. Miller  <davem@davemloft.net>
4505
4506         * options.cc (General_options::parse_V): New function.
4507         * options.h: Add entries for -V and -Qy.
4508
4509 2008-04-17  Ian Lance Taylor  <iant@google.com>
4510
4511         * common.cc (Symbol_table::allocate_commons): Remove options
4512         parameter.  Change caller.
4513         (Symbol_table::do_allocate_commons): Remove options parameter.
4514         Change caller.  Just call do_allocate_commons_list twice.
4515         (Symbol_table::do_allocate_commons_list): New function, broken out
4516         of do_allocate_commons.
4517         * common.h (class Allocate_commons_task): Remove options_ field.
4518         Update constructor.
4519         * symtab.cc (Symbol_table::Symbol_table): Initialize
4520         tls_commons_.
4521         (Symbol_table::add_from_object): Put TLS common symbols on
4522         tls_commons_ list.
4523         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
4524         which are IN_OUTPUT_DATA.
4525         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
4526         allocate_commons and do_allocate_commons declarations.  Declare
4527         do_allocate_commons_list.
4528         * gold.cc (queue_middle_tasks): Update creation of
4529         Allocate_commons_task to not pass options.
4530         * testsuite/Makefile.am (INCLUDES): Add -I.. .
4531         (TLS_TEST_C_FLAGS): New variable.
4532         (tls_test_c_pic.o): New target.
4533         (tls_test_shared.so): Link in tls_test_c_pic.o.
4534         (tls_test_c_pic_ie.o): New target.
4535         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
4536         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
4537         (tls_test_c.o): New target.
4538         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
4539         (tls_pic_test_LDADD): Likewise.
4540         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
4541         (tls_shared_gd_to_ie_test_LDADD): Likewise.
4542         (tls_test_c_gnu2.o): New target.
4543         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
4544         tls_test_c_gnu2.o.
4545         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
4546         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
4547         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
4548         * testsuite/tls_test.cc: Include "config.h".
4549         (t_last): Call t11_last.
4550         * testsuite/tls_test.h (t11, t11_last): Declare.
4551         * testsuite/tls_test_c.c: New file.
4552         * testsuite/tls_test_main.cc (thread_routine): Call t11.
4553         * configure.ac: Check for OpenMP support.
4554         * configure, config.in, Makefile.in: Rebuild.
4555         * testsuite/Makefile.in: Rebuild.
4556
4557 2008-04-16  Cary Coutant  <ccoutant@google.com>
4558
4559         * i386.cc (Target_i386::define_tls_base_symbol): New function.
4560         (Target_i386::tls_base_symbol_defined_): New field.
4561         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
4562         (Target_i386::Scan::global): Likewise.
4563         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
4564         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
4565         (Target_x86_64::tls_base_symbol_defined_): New field.
4566         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
4567         (Target_x86_64::Scan::global): Likewise.
4568
4569 2008-04-16  Cary Coutant  <ccoutant@google.com>
4570
4571         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
4572         (Symbol::needs_plt_entry): Allow weak undefined symbols.
4573         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
4574         building shared libraries.
4575         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
4576         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
4577         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
4578         * testsuite/Makefile.in: Rebuild.
4579         * testsuite/weak_undef.h: New file.
4580         * testsuite/weak_undef_file1.cc: Add extra test cases.
4581         * testsuite/weak_undef_file2.cc: Likewise.
4582         * testsuite/weak_undef_test.cc: Likewise.
4583
4584 2008-04-16  David S. Miller  <davem@davemloft.net>
4585
4586         * sparc.cc (Target_sparc::Scan): Change from struct to class.
4587         Add issued_non_pic_error_ field.  Declare check_non_pic.
4588         (Target_sparc::Scan::check_non_pic): New function.
4589         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
4590         (Target_sparc::Scan::global): Likewise.
4591
4592         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
4593         * configure: Rebuild.
4594
4595         * options.h (DEFINE_enable): New macro.
4596         (new_dtags): New enable option.
4597         (initfirst, interpose, loadfltr, nodefaultlib,
4598         nodelete, nodlopen, nodump): New -z options.
4599         * layout.cc (Layout:finish_dynamic_section): If new
4600         dtags enabled, emit DT_RUNPATH.  Also, emit a
4601         DT_FLAGS_1 containing any specified -z flags.
4602
4603 2008-04-16  Ian Lance Taylor  <iant@google.com>
4604
4605         * copy-relocs.cc: New file.
4606         * copy-relocs.h: New file.
4607         * reloc.cc: Remove Copy_relocs code.
4608         * reloc.h: Likewise.
4609         * reloc-types.h (struct Reloc_types) [both versions]: Add
4610         get_reloc_addend_noerror.
4611         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
4612         variants of add_global which take an addend which must be zero.
4613         * i386.cc: Include "copy-relocs.h".
4614         (class Target_i386): Change type of copy_relocs_ to variable,
4615         update initializer.
4616         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
4617         Change all callers.
4618         (Target_i386::do_finalize_sections): Change handling of
4619         copy_relocs_.
4620         * sparc.cc: Include "copy-relocs.h".
4621         (class Target_sparc): Change type of copy_relocs_ to variable,
4622         update initializer.
4623         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
4624         Change all callers.
4625         (Target_sparc::do_finalize_sections): Change handling of
4626         copy_relocs_.
4627         * x86_64.cc: Include "copy-relocs.h".
4628         (class Target_x86_64): Change type of copy_relocs_ to variable,
4629         update initializer.
4630         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
4631         class.  Change all callers.
4632         (Target_x86_64::do_finalize_sections): Change handling of
4633         copy_relocs_.
4634         * Makefile.am (CCFILES): Add copy-relocs.cc.
4635         (HFILES): Add copy-relocs.h.
4636
4637         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
4638
4639         * testsuite/script_test_4.sh: Permit leading zeroes.
4640
4641 2008-04-15  Ian Lance Taylor  <iant@google.com>
4642
4643         * script-sections.cc (Script_sections::create_segments): Use
4644         header_size_adjustment even when there is enough room for the
4645         headers.
4646         * testsuite/script_test_4.sh: New file.
4647         * testsuite/script_test_4.t: New file.
4648         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
4649         (check_DATA): Add script_test_4.stdout.
4650         (MOSTLYCLEANFILES): Likewise.
4651         (script_test_4): New target.
4652         (script_test_4.stdout): New target.
4653         * testsuite/Makefile.in: Rebuild.
4654
4655         * sparc.cc: Add definitions for Output_data_plt_sparc class
4656         constants.
4657
4658 2008-04-14  David S. Miller  <davem@davemloft.net>
4659
4660         * sparc.cc: New file.
4661         * Makefile.am (TARGETSOURCES): Add sparc.cc
4662         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
4663         * configure.tgt: Document targ_extra_size and
4664         targ_extra_big_endian.  Add entries for sparc-* and
4665         sparc64-*.
4666         * configure.ac: Handle targ_extra_size and
4667         targ_extra_big_endian.
4668         * Makefile.in: Rebuild.
4669         * configure: Likewise.
4670         * po/POTFILES.in: Likewise.
4671         * po/gold.pot: Likewise.
4672
4673 2008-04-14  Ian Lance Taylor  <iant@google.com>
4674
4675         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
4676         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
4677         in the name/type/flags to section mapping.  Don't call
4678         allocate_output_section.
4679         (Layout::choose_output_section): Change parameter from adjust_name
4680         to is_input_section.  Don't permit input sections after sections
4681         are attached to segments.  Don't call allocate_output_section.
4682         (Layout::layout_eh_frame): Call update_flags_for_input_section,
4683         not write_enable_output_section.
4684         (Layout::make_output_section): Don't push to
4685         unattached_section_list_ nor call attach_to_segment.  Call
4686         attach_section_to_segment if sections are attached.
4687         (Layout::attach_sections_to_segments): New function.
4688         (Layout::attach_section_to_segment): New function.
4689         (Layout::attach_allocated_section_to_segment): Rename from
4690         attach_to_segment.  Remove flags parameter.
4691         (Layout::allocate_output_section): Remove function.
4692         (Layout::write_enable_output_section): Remove function.
4693         * layout.h (class Layout): Update for above changes.  Add new
4694         field sections_are_attached_.
4695         * output.h (Output_section::update_flags_for_input_section): New
4696         function.
4697         * output.cc (Output_section::add_input_section): Call
4698         update_flags_for_input_section.
4699         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
4700
4701 2008-04-11  Cary Coutant  <ccoutant@google.com>
4702
4703         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
4704         thought unnecessary.
4705         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
4706
4707 2008-04-11  Ian Lance Taylor  <iant@google.com>
4708
4709         * output.h (class Output_section_data): Remove inline definition
4710         of set_addralign.
4711         * output.cc (Output_section_data::set_addralign): New function.
4712
4713 2008-04-11  Cary Coutant  <ccoutant@google.com>
4714
4715         Add support for TLS descriptors for i386 and x86_64.
4716         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
4717         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
4718         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
4719         GOT_TYPE_TLS_DESC.
4720         (Target_i386::got_mod_index_entry): Remove unnecessary code.
4721         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
4722         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
4723         relocations.
4724         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
4725         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
4726         Fix problem with initial-exec relocations.
4727         (Target_i386::Relocate::relocate_tls): Likewise.
4728         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
4729         relaxation.
4730         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
4731         support for section-plus-offset dynamic table entries.
4732         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
4733         (Output_data_dynamic::Dynamic_entry): Add support for
4734         section-plus-offset dynamic table entries.
4735         (Output_data_dynamic::Classification): Likewise.
4736         (Output_data_dynamic::classification_): Renamed offset_.
4737         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
4738         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
4739         (Target_x86_64::make_plt_section): New function.
4740         (Target_x86_64::reserve_tlsdesc_entries): New function.
4741         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
4742         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
4743         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
4744         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
4745         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
4746         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
4747         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
4748         add extra PLT entry for TLS descriptors.
4749         (Output_data_plt_x86_64::got_): New field.
4750         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
4751         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
4752         fields.
4753         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
4754         descriptors.
4755         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
4756         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
4757         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
4758         R_386_TLS_DESC_CALL relocations.
4759         (Target_x86_64::Scan::global): Likewise.
4760         (Target_x86_64::do_finalize_sections): Add dynamic table entries
4761         for TLS descriptors.
4762         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
4763         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
4764         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
4765         GD-to-IE relaxation.
4766         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
4767         and TLS_DESCRIPTORS.
4768         * Makefile.in: Rebuild.
4769         * configure: Rebuild.
4770         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
4771         (tls_test_shared2.so): New target.
4772         (tls_shared_gd_to_ie_test_SOURCES): New variable.
4773         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
4774         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
4775         (tls_shared_gd_to_ie_test_LDADD): New variable.
4776         (tls_shared_gnu2_gd_to_ie_test): New target.
4777         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
4778         New targets.
4779         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
4780         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
4781         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
4782         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
4783         (tls_shared_gnu2_test): New target.
4784         (tls_test_gnu2_shared.so): New target.
4785         (tls_shared_gnu2_test_SOURCES): New variable.
4786         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
4787         (tls_shared_gnu2_test_LDFLAGS): New variable.
4788         (tls_shared_gnu2_test_LDADD): New variable.
4789         * testsuite/Makefile.in: Rebuild.
4790         * testsuite/Makefile.
4791
4792 2008-04-11  Ian Lance Taylor  <iant@google.com>
4793
4794         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
4795         justsyms.t.
4796         * testsuite/Makefile.in: Rebuild.
4797
4798         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
4799         long.
4800         * testsuite/script_test_2.cc (main): Adjust test.
4801
4802 2008-04-11  David S. Miller  <davem@davemloft.net>
4803             Ian Lance Taylor  <iant@google.com>
4804
4805         * options.h (General_options): Add entries for '-Y' and
4806         '-relax'.
4807         * options.cc (General_options:finalize): If -Y was used, add those
4808         entries to the library path instead of the default "/lib" and
4809         "/usr/lib".
4810
4811 2008-04-11  David S. Miller  <davem@davemloft.net>
4812
4813         * testsuite/justsyms.t: Start at 0x100.
4814         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
4815         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
4816         long.
4817         * testsuite/script_test_2.cc: Adjust string and section length
4818         checks.
4819
4820 2008-04-09  Ian Lance Taylor  <iant@google.com>
4821
4822         PR gold/5996
4823         * script-sections.cc (Sections_element::allocate_to_segment): Add
4824         orphan parameter.
4825         (Output_section_definition::allocate_to_segment): Likewise.
4826         (Orphan_output_section::allocate_to_segment): Likewise.
4827         (Script_sections::attach_sections_using_phdrs_clause): Don't
4828         propagate non-PT_LOAD segments to orphan sections.
4829         * testsuite/Makefile.am (script_test_3.stdout): Generate using
4830         readelf rather than objdump.
4831         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
4832         .interp section and PT_INTERP segment are the same size.
4833         * testsuite/Makefile.in: Rebuild.
4834
4835         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
4836         aliases for symbols defined in the same object.
4837         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
4838         (weak_alias_test_SOURCES): New variable.
4839         (weak_alias_test_DEPENDENCIES): New variable.
4840         (weak_alias_test_LDFLAGS): New variable.
4841         (weak_alias_test_LDADD): New variable.
4842         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
4843         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
4844         (weak_alias_test_3.o): New target.
4845         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
4846         * testsuite/weak_alias_test_main.cc: New file.
4847         * testsuite/weak_alias_test_1.cc: New file.
4848         * testsuite/weak_alias_test_2.cc: New file.
4849         * testsuite/weak_alias_test_3.cc: New file.
4850
4851 2008-04-08  Ian Lance Taylor  <iant@google.com>
4852
4853         * options.h (class General_options): Add --noinhibit-exec option.
4854         * main.cc (main): Check --noinhibit-exec.
4855
4856         * options.h (class General_options): Define --wrap as a special
4857         option.  Add wrap_symbols_ field.
4858         (General_options::any_wrap_symbols): New function.
4859         (General_options::is_wrap_symbol): New function.
4860         * options.cc (General_options::parse_wrap): New function.
4861         (General_options::General_options): Initialize wrap_symbols_.
4862         * symtab.cc (Symbol_table::wrap_symbol): New function.
4863         (Symbol_table::add_from_object): Handle --wrap.
4864         * symtab.h (class Symbol_table): Declare wrap_symbol.
4865         * target.h (Target::wrap_char): New function.
4866         (Target::Target_info): Add wrap_char field.
4867         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
4868         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
4869         * testsuite/testfile.cc (Target_test::test_target_info):
4870         Likewise.
4871
4872         * errors.cc (Errors::undefined_symbol): Mention symbol version if
4873         there is one.
4874
4875         * layout.h (class Layout): Add added_eh_frame_data_ field.
4876         * layout.cc (Layout::Layout): Initialize new field.
4877         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
4878         output section until we find a section we merged successfully.
4879         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
4880         that the size be non-zero.
4881
4882         * merge.cc (Object_merge_map::get_output_offset): Remove inline
4883         qualifier.
4884
4885 2008-04-08  Craig Silverstein  <csilvers@google.com>
4886
4887         * configure.ac: Export new conditional variable HAVE_ZLIB.
4888         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
4889         on HAVE_ZLIB.
4890         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
4891         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
4892
4893 2008-04-07  Ian Lance Taylor  <iant@google.com>
4894
4895         * version.cc (version_string): Set to "1.5".
4896
4897         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
4898         Add issued_non_pic_error_ field.  Declare check_non_pic.
4899         (Target_x86_64::Scan::check_non_pic): New function.
4900         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
4901         (Target_x86_64::Scan::global): Likewise.
4902
4903         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
4904         addend parameter.  Change caller.  Handle merge sections.
4905         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
4906         Address to Addend.  Don't add in the result of
4907         local_section_offset, pass down the addend and use the returned
4908         value.
4909         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
4910         Update declarations of local_section_offset and symbol_value.
4911         * testsuite/two_file_test_1.cc (t18): New function.
4912         * testsuite/two_file_test_2.cc (f18): New function.
4913         * testsuite/two_file_test_main.cc (main): Call t18.
4914         * testsuite/two_file_test.h (t18, f18): Declare.
4915
4916         * configure.ac: Don't test for objdump, c++filt, or readelf.
4917         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
4918         conditionals.
4919         (TEST_READELF): New variable.
4920         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
4921         (check_PROGRAMS): Add two_file_strip_test.
4922         (two_file_strip_test): New target.
4923         (check_PROGRAMS): Add two_file_same_shared_strip_test.
4924         (two_file_same_shared_strip_test_SOURCES): New variable.
4925         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
4926         (two_file_same_shared_strip_test_LDFLAGS): New variable.
4927         (two_file_same_shared_strip_test_LDADD): New variable.
4928         (two_file_shared_strip.so): New target.
4929         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
4930         (ver_test_5.syms, ver_test_7.syms): Likewise.
4931         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
4932         (strip_test_3.stdout): Use TEST_OBJDUMP.
4933         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
4934
4935 2008-04-04  Cary Coutant  <ccoutant@google.com>
4936
4937         * symtab.h (Symbol::is_weak_undefined): New function.
4938         (Symbol::is_strong_undefined): New function.
4939         (Symbol::is_absolute): New function.
4940         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
4941         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
4942         absolute symbols.
4943         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
4944         (weak_undef_test): New target.
4945         * testsuite/Makefile.in: Rebuild.
4946         * testsuite/weak_undef_file1.cc: New file.
4947         * testsuite/weak_undef_file2.cc: New file.
4948         * testsuite/weak_undef_test.cc: New file.
4949
4950 2008-04-03  Craig Silverstein  <csilvers@google.com>
4951
4952         * compressed_output.h (class Output_compressed_section): Use
4953         unsigned buffer.
4954         * compressed_output.cc (zlib_compress): Use unsigned buffers,
4955         add zlib header.
4956         (zlib_compressed_suffix): Removed.
4957         (Output_compressed_section::set_final_data_size): Use unsigned
4958         buffers.
4959         * testsuite/Makefile.am (flagstest_compress_debug_sections):
4960         Fix linker invocation.
4961         (flagstest_o_specialfile_and_compress_debug_sections):
4962         Likewise.
4963         * testsuite/Makefile.in: Regenerated.
4964
4965 2008-04-02  David S. Miller  <davem@davemloft.net>
4966
4967         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
4968         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
4969
4970 2008-04-02  Craig Silverstein  <csilvers@google.com>
4971
4972         * TODO: New file.
4973
4974 2008-04-02  Ian Lance Taylor  <iant@google.com>
4975
4976         * fileread.cc (File_read::find_view): Add byteshift and vshifted
4977         parameters.  Update for new key type to views_.  Change all
4978         callers.
4979         (File_read::read): Adjust for byteshift in returned view.
4980         (File_read::add_view): New function, broken out of
4981         find_and_make_view.
4982         (File_read::make_view): New function, broken out of
4983         find_and_make_view.
4984         (File_read::find_or_make_view): Add offset and aligned
4985         parameters.  Rewrite accordingly.  Change all callers.
4986         (File_read::get_view): Add offset and aligned parameters.  Adjust
4987         for byteshift in return value.
4988         (File_read::get_lasting_view): Likewise.
4989         * fileread.h (class File_read): Update declarations.
4990         (class File_read::View): Add byteshift_ field.  Add byteshift to
4991         constructor.  Add byteshift method.
4992         * archive.h (Archive::clear_uncached_views): New function.
4993         (Archive::get_view): Add aligned parameter.  Change all callers.
4994         * object.h (Object::get_view): Add aligned parameter.  Change all
4995         callers.
4996         (Object::get_lasting_view): Likewise.
4997
4998         * fileread.cc (File_read::release): Don't call clear_views if
4999         there are multiple objects.
5000         * fileread.h (File_read::clear_uncached_views): New function.
5001         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
5002         on the archive.
5003
5004 2008-03-31  Cary Coutant  <ccoutant@google.com>
5005
5006         Add thin archive support.
5007         * archive.cc (Archive::armagt): New const.
5008         (Archive::setup): Remove task parameter and calls to unlock.
5009         (Archive::unlock_nested_archives): New function.
5010         (Archive::read_header): Add nested_off parameter. Change
5011         all callers.
5012         (Archive::interpret_header): Likewise.
5013         (Archive::include_all_members): Change to handle thin
5014         archives.
5015         (Archive::include_member): Likewise.
5016         * archive.h (Archive::Archive): Add new parameters and
5017         initializers.
5018         (Archive::armagt): New const.
5019         (Archive::setup): Remove task parameter.
5020         (Archive::unlock_nested_archives): New function.
5021         (Archive::read_header): Add nested_off parameter.
5022         (Archive::interpret_header): Likewise.
5023         (Archive::Nested_archive_table): New typedef.
5024         (Archive::is_thin_archive_): New field.
5025         (Archive::nested_archives_): New field.
5026         (Archive::options_): New field.
5027         (Archive::dirpath_): New field.
5028         (Archive::task_): New field.
5029         * readsyms.cc (Read_symbols::do_read_symbols): Add check
5030         for thin archives.  Pass additional parameters to
5031         Archive::Archive.  Unlock the archive file after calling
5032         Archive::setup.
5033
5034 2008-03-29  Ian Lance Taylor  <iant@google.com>
5035
5036         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
5037         version symbol to be local.
5038         * testsuite/ver_test_4.sh: New file.
5039         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
5040         (check_DATA): Add ver_test_4.syms.
5041         (ver_test_4.syms): New target.
5042         * testsuite/Makefile.in: Rebuild.
5043
5044         * output.cc
5045         (Output_section::Input_section_sort_entry::has_priority): New
5046         function.
5047         (Output_section::Input_section_sort_entry::match_file_name): New
5048         function.
5049         (Output_section::Input_section_sort_entry::match_section_name):
5050         Remove.
5051         (Output_section::Input_section_sort_entry::match_section_name_prefix):
5052         Remove.
5053         (Output_section::Input_section_sort_entry::match_section_file):
5054         Remove.
5055         (Output_section::Input_section_sort_compare::operator()): Rewrite
5056         using new Input_section_sort_entry functions.  Sort crtbegin and
5057         crtend first.  Sort sections with no priority before sections with
5058         a priority.
5059         * testsuite/initpri1.c (d3): Check j != 4.
5060         (cd5): New constructor/destructor function.
5061         (main): Check j != 2.
5062
5063         * symtab.cc (Symbol_table::add_from_object): If we don't use the
5064         new symbol when resolving, don't call set_is_default.
5065         * testsuite/ver_test_7.cc: New file.
5066         * testsuite/ver_test_7.sh: New file.
5067         * testsuite/Makefile.am (ver_test_7.so): New target.
5068         (ver_test_7.o): New target.
5069         (check_SCRIPTS): Add ver_test_7.sh.
5070         (check_DATA): Add ver_test_7.syms.
5071         (ver_test_7.syms): New target.
5072
5073 2008-03-28  Ian Lance Taylor  <iant@google.com>
5074
5075         * layout.cc (Layout::layout): If we see an input section with a
5076         name that needs sorting, set the must_sort flag for the output
5077         section.
5078         (Layout::make_output_section): If the name of the output section
5079         indicates that it might require sorting, set the may_sort flag.
5080         * output.h (Output_section::may_sort_attached_input_sections): New
5081         function.
5082         (Output_section::set_may_sort_attached_input_sections): New
5083         function.
5084         (Output_section::must_sort_attached_input_sections): New
5085         function.
5086         (Output_section::set_must_sort_attached_input_sections): New
5087         function.
5088         (class Output_section): Declare Input_section_sort_entry.  Define
5089         Input_section_sort_compare.  Declare
5090         sort_attached_input_sections.  Add new fields:
5091         may_sort_attached_input_sections_,
5092         must_sort_attached_input_sections_,
5093         attached_input_sections_are_sorted_.
5094         * output.cc (Output_section::Output_section): Initialize new
5095         fields.
5096         (Output_section::add_input_section): Add an entry to
5097         input_sections_ if may_sort or must_sort are true.
5098         (Output_section::set_final_data_size): Call
5099         sort_attached_input_sections if necessary.
5100         (Output_section::Input_section_sort_entry): Define new class.
5101         (Output_section::Input_section_sort_compare::operator()): New
5102         function.
5103         (Output_section::sort_attached_input_sections): New function.
5104         * configure.ac: Check whether the compiler supports constructor
5105         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
5106         * testsuite/initpri1.c: New file.
5107         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
5108         CONSTRUCTOR_PRIORITY.
5109         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
5110         (initpri1_LDFLAGS): New variable.
5111         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
5112
5113 2008-03-27  Ian Lance Taylor  <iant@google.com>
5114
5115         * common.cc (Sort_commons::operator): Correct sorting algorithm.
5116         * testsuite/common_test_1.c: New file.
5117         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
5118         (common_test_1_SOURCES): New variable.
5119         (common_test_1_DEPENDENCIES): New variable.
5120         (common_test_1_LDFLAGS): New variable.
5121
5122         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
5123         and commons_ correctly when NAME/VERSION does not override
5124         NAME/NULL.
5125         * testsuite/ver_test_6.c: New file.
5126         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
5127         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
5128         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
5129
5130 2008-03-26  Ian Lance Taylor  <iant@google.com>
5131
5132         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
5133         of an undefined symbol from a version script.
5134         * testsuite/Makefile.am (ver_test_5.so): New target.
5135         (ver_test_5.o): New target.
5136         (check_SCRIPTS): Add ver_test_5.sh.
5137         (check_DATA): Add ver_test_5.syms.
5138         (ver_test_5.syms): New target.
5139         * testsuite/ver_test_5.cc: New file.
5140         * testsuite/ver_test_5.script: New file.
5141         * testsuite/ver_test_5.sh: New file.
5142         * Makefile.in, testsuite/Makefile.in: Rebuild.
5143
5144         PR gold/5986
5145         Fix problems building gold with gcc 4.3.0.
5146         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
5147         (gold_error_at_location, gold_warning_at_location): Use it.
5148         * configure.ac: Check whether we can compile and use a template
5149         function with a printf attribute.
5150         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
5151         when jumping over bytes.
5152         * object.cc: Instantiate Object::read_section_data.
5153         * debug.h: Include <cstring>
5154         * dwarf_reader.cc: Include <algorithm>
5155         * main.cc: Include <cstring>.
5156         * options.cc: Include <cstring>.
5157         * output.cc: Include <cstring>.
5158         * script.cc: Include <cstring>.
5159         * script.h: Include <string>.
5160         * symtab.cc: Include <cstring> and <algorithm>.
5161         * target-select.cc: Include <cstring>.
5162         * version.cc: Include <string>.
5163         * testsuite/testmain.cc: Include <cstdlib>.
5164         * configure, config.in: Rebuild.
5165
5166 2008-03-25  Ian Lance Taylor  <iant@google.com>
5167
5168         * options.cc: Include "../bfd/bfdver.h".
5169         (options::help): Print bug reporting address.
5170
5171         * version.cc (print_version): Adjust output for current value of
5172         BFD_VERSION_STRING.
5173
5174         * NEWS: New file.
5175
5176         * options.cc (options::help): Print list of supported targets.
5177         * target-select.h: Include <vector>.
5178         (class Target_selector): Make machine_, size_, and is_big_endian_
5179         fields const.  Add bfd_name_ and instantiated_target_ fields.
5180         (Target_selector::Target_selector): Add bfd_name parameter.
5181         (Target_selector::recognize): Make non-virtual, call
5182         do_recognize.
5183         (Target_selector::recognize_by_name): Make non-virtual, call
5184         do_recognize_by_name.
5185         (Target_selector::supported_names): New function.
5186         (Target_selector::bfd_name): New function.
5187         (Target_selector::do_instantiate_target): New pure virtual
5188         function.
5189         (Target_selector::do_recognize): New virtual function.
5190         (Target_selector::do_recognize_by_name): New virtual function.
5191         (Target_selector::instantiate_target): New private function.
5192         (supported_target_names): Declare.
5193         * target-select.cc (Target_selector::Target_selector): Update for
5194         new parameter and fields.
5195         (select_target_by_name): Check that the name matches before
5196         calling recognize_by_name.
5197         (supported_target_names): New function.
5198         * i386.cc (class Target_selector_i386): Update Target_selector
5199         constructor call.  Remove recognize and recognize_by_name.  Add
5200         do_instantiate_target.
5201         * x86_64.cc (class Target_selector_x86_64): Likewise.
5202         * testsuite/testfile.cc (class Target_selector_test): Update for
5203         changes to Target_selector.
5204
5205         * README: Rewrite, with some notes on unsupported features.
5206
5207 2008-03-24  Cary Coutant  <ccoutant@google.com>
5208
5209         * i386.cc (Target_i386::Got_type): New enum declaration.
5210         (Target_i386::Scan::local): Updated callers of Output_data_got
5211         member functions.
5212         (Target_i386::Scan::global): Likewise.
5213         (Target_i386::Relocate::relocate): Likewise.
5214         (Target_i386::Relocate::relocate_tls): Likewise.
5215         * object.h (Got_offset_list): New class.
5216         (Sized_relobj::local_has_got_offset): Added got_type parameter.
5217         (Sized_relobj::local_got_offset): Likewise.
5218         (Sized_relobj::set_local_got_offset): Likewise.
5219         (Sized_relobj::local_has_tls_got_offset): Removed.
5220         (Sized_relobj::local_tls_got_offset): Removed.
5221         (Sized_relobj::set_local_tls_got_offset): Removed.
5222         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
5223         * output.cc (Output_data_got::add_global): Added got_type parameter.
5224         (Output_data_got::add_global_with_rel): Likewise.
5225         (Output_data_got::add_global_with_rela): Likewise.
5226         (Output_data_got::add_global_pair_with_rel): New function.
5227         (Output_data_got::add_global_pair_with_rela): New function.
5228         (Output_data_got::add_local): Added got_type parameter.
5229         (Output_data_got::add_local_with_rel): Likewise.
5230         (Output_data_got::add_local_with_rela): Likewise.
5231         (Output_data_got::add_local_pair_with_rel): New function.
5232         (Output_data_got::add_local_pair_with_rela): New function.
5233         (Output_data_got::add_global_tls): Removed.
5234         (Output_data_got::add_global_tls_with_rel): Removed.
5235         (Output_data_got::add_global_tls_with_rela): Removed.
5236         (Output_data_got::add_local_tls): Removed.
5237         (Output_data_got::add_local_tls_with_rel): Removed.
5238         (Output_data_got::add_local_tls_with_rela): Removed.
5239         * output.h (Output_data_got::add_global): Added got_type parameter.
5240         (Output_data_got::add_global_with_rel): Likewise.
5241         (Output_data_got::add_global_with_rela): Likewise.
5242         (Output_data_got::add_global_pair_with_rel): New function.
5243         (Output_data_got::add_global_pair_with_rela): New function.
5244         (Output_data_got::add_local): Added got_type parameter.
5245         (Output_data_got::add_local_with_rel): Likewise.
5246         (Output_data_got::add_local_with_rela): Likewise.
5247         (Output_data_got::add_local_pair_with_rel): New function.
5248         (Output_data_got::add_local_pair_with_rela): New function.
5249         (Output_data_got::add_global_tls): Removed.
5250         (Output_data_got::add_global_tls_with_rel): Removed.
5251         (Output_data_got::add_global_tls_with_rela): Removed.
5252         (Output_data_got::add_local_tls): Removed.
5253         (Output_data_got::add_local_tls_with_rel): Removed.
5254         (Output_data_got::add_local_tls_with_rela): Removed.
5255         * resolve.cc (Symbol::override_base_with_special): Removed
5256         reference to has_got_offset_ field.
5257         * symtab.cc (Symbol::init_fields): Replaced initialization
5258         of got_offset_ with got_offsets_.  Removed initialization
5259         of has_got_offset_
5260         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
5261         (Symbol::got_offset): Likewise.
5262         (Symbol::set_got_offset): Likewise.
5263         (Symbol::has_tls_got_offset): Removed.
5264         (Symbol::tls_got_offset): Removed.
5265         (Symbol::set_tls_got_offset): Removed.
5266         (Symbol::got_offset_): Removed.
5267         (Symbol::tls_mod_got_offset_): Removed.
5268         (Symbol::tls_pair_got_offset_): Removed.
5269         (Symbol::got_offsets_): New field.
5270         (Symbol::has_got_offset): Removed.
5271         (Symbol::has_tls_mod_got_offset): Removed.
5272         (Symbol::has_tls_pair_got_offset): Removed.
5273         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
5274         (Target_x86_64::Scan::local): Updated callers of Output_data_got
5275         member functions.
5276         (Target_x86_64::Scan::global): Likewise.
5277         (Target_x86_64::Relocate::relocate): Likewise.
5278         (Target_x86_64::Relocate::relocate_tls): Likewise.
5279
5280 2008-03-25  Ben Elliston  <bje@au.ibm.com>
5281
5282         * yyscript.y: Fix spelling error in comment.
5283
5284 2008-03-24  Ian Lance Taylor  <iant@google.com>
5285
5286         * options.h (class General_options): Define build_id option.
5287         * layout.h (class Layout): Declare write_build_id, create_note,
5288         create_build_id.  Add build_id_note_ member.
5289         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
5290         "libiberty.h", "md5.h", "sha1.h".
5291         (Layout::Layout): Initialize eh_frame_data_,
5292         eh_frame_hdr_section_, and build_id_note_.
5293         (Layout::finalize): Call create_build_id.
5294         (Layout::create_note): New function, broken out of
5295         Layout::create_gold_note.
5296         (Layout::create_gold_note): Call create_note.
5297         (Layout::create_build_id): New function.
5298         (Layout::write_build_id): New function.
5299         (Close_task_runner::run): Call write_build_id.
5300
5301         * x86_64.cc: Correct license to GPLv3.
5302
5303 2008-03-23  Ian Lance Taylor  <iant@google.com>
5304
5305         * options.cc: Include "demangle.h".
5306         (parse_optional_string): New function.
5307         (parse_long_option): Handle takes_optional_argument.
5308         (parse_short_option): Update dash_z initializer.  Handle
5309         takes_optional_argument.
5310         (General_options::General_options): Initialize do_demangle_.
5311         (General_options::finalize): Set do_demangle_.  Handle demangling
5312         style.
5313         * options.h (parse_optional_string): Declare.
5314         (struct One_option): Add optional_arg field.  Update constructor.
5315         Update call constructor calls.  Add takes_optional_argument
5316         function.
5317         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
5318         (DEFINE_optional_string): Define.
5319         (General_options::demangle): Change from DEFINE_bool to
5320         DEFINE_optional_string.
5321         (General_options::no_demangle): New function.
5322         (General_options::do_demangle): New function.
5323         (General_options::set_do_demangle): New function.
5324         (General_options::execstack_status_): Move definition to end of
5325         class definition.
5326         (General_options::static_): Likewise.
5327         (General_options::do_demangle_): New field.
5328         * object.cc (big_endian>::get_symbol_location_info): Call
5329         Options::do_demangle, not Options::demangle.
5330         * symtab.cc (demangle): Likewise.
5331
5332 2008-03-22  Ian Lance Taylor  <iant@google.com>
5333
5334         * gold.h: Include <cstddef> and <sys/types.h>
5335         * options.h: Include <cstring>.
5336
5337 2008-03-21  Ian Lance Taylor  <iant@google.com>
5338
5339         * Added source code to GNU binutils.