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