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