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