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