PR 10980
[external/binutils.git] / gold / ChangeLog
1 2010-01-04  Ian Lance Taylor  <iant@google.com>
2
3         PR 10980
4         * options.h (class General_options): Add
5         --allow-multiple-definition and -z muldefs.
6         * resolve.cc (Symbol_table::should_override): Don't warn about a
7         multiple symbol definition if --allow-multiple-definition or -z
8         muldefs.
9
10         PR 10980
11         * options.h (class General_options): Add --add-needed and
12         --copy-dt-needed-entries.  Tweak --as-needed help entry.
13         * object.cc (Input_objects::check_dynamic_dependencies): Give an
14         error if --copy-dt-needed-entries aka --add-needed is used and
15         would cause a change in behaviour.
16
17         PR 10980
18         * options.h (class General_options): Add -G as a short version of
19         --shared.  Add no-op options -assert, -g, and -i.
20
21 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
22
23         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
24         check for .text or .gnu.linkonce.t sections.
25         * icf.cc (Icf::find_identical_sections): Ditto.
26         Change the detection for mangled function name within the section
27         name.
28         * icf.h (is_section_foldable_candidate): New function.
29
30 2009-12-30  Ian Lance Taylor  <iant@google.com>
31
32         PR 10980
33         * options.h (class General_options): Permit two dashes with
34         --retain-symbols-file.
35
36 2009-12-30  Ian Lance Taylor  <iant@google.com>
37
38         PR 10979
39         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
40         don't put the file header and segment headers in the text
41         segment.
42
43         PR 10979
44         * common.cc (Sort_commons::operator()): Stabilize sort when both
45         entries are NULL.
46         (Symbol_table::do_allocate_commons_list): When allocating common
47         symbols, skip a symbol which is no longer common.
48         * symtab.h (Symbol::is_common): Test whether the symbol comes from
49         an object before checking its type.
50         * testsuite/common_test_2.c: New file.
51         * testsuite/common_test_3.c: New file.
52         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
53         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
54         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
55         (common_test_2_pic.o, common_test_2.so): New targets.
56         (common_test_3_pic.o, common_test_3.so): New targets.
57         * testsuite/Makefile.in: Rebuild.
58
59         PR 10979
60         * script.cc (read_input_script): If we see a new SECTIONS clause,
61         and we have added an input section, give an error.
62         * layout.h (class Layout): Add have_added_input_section function.
63         Add have_added_input_section_ field.
64         * layout.cc (Layout::Layout): Initialize
65         have_added_input_section_.
66         (Layout::layout): Set have_added_input_section_.
67         (Layout::layout_eh_frame): Likewise.
68
69 2009-12-30  Ian Lance Taylor  <iant@google.com>
70
71         PR 10931
72         * options.h (class General_options): Add --sort-common option.
73         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
74         * common.cc (Sort_common): Add sort_order parameter to
75         constructor.  Add sort_order_ field.
76         (Sort_commons::operator): Check sort_order_.
77         (Symbol_table::allocate_commons): Determine the sort order.
78         (Symbol_table::do_allocate_commons): Add sort_order parameter.
79         Change all callers.
80         (Symbol_table::do_allocate_commons_list): Likewise.
81
82 2009-12-30  Ian Lance Taylor  <iant@google.com>
83
84         PR 10916
85         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
86         symbols from this object, don't change the visibility of an
87         undefined symbol.
88         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
89
90 2009-12-30  Ian Lance Taylor  <iant@google.com>
91
92         PR 10861
93         * script.h (class Version_script_info): Define Language enum.
94         Update declarations.  Define Glob, Exact, and Lookup types.  Add
95         new fields globals_, locals_, and is_finalized_.
96         * script.cc: Various formatting fixes.
97         (class Parser_closure): Change language_stack_ from a vector of
98         std::string to one of Version_script_info::Language.  Adjust all
99         uses accordingly.
100         (class Lazy_demangler): Remove.
101         (struct Version_expression): Change language from std::string to
102         Version_script_info::Language.
103         (Version_script_info::Version_script_info): New function.
104         (Version_script_info::~Version_script_info): Don't call clear.
105         (Version_script_info::finalize): New function.
106         (Version_script_info::build_lookup_tables): New function.
107         (Version_script_info::build_expression_list_lookup): New
108         function.
109         (Version_script_info::get_symbol_version_helper): Rewrite to use
110         lookup tables.
111         (Version_script_info::print_expression_list): Adjust to use
112         Version_script_info::Language.
113         (script_push_lex_into_version_mode): Check that the version script
114         has not been finalized.
115         (version_script_push_lang): Change language string to
116         Version_script_info::Language.
117         * options.cc (Command_line::version_script): New function.
118         * options.h (class General_options): Add finalize_dynamic_list
119         function.  Change version_script from declaration to definition.
120         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
121         * testsuite/version_script.map: Remove duplicate def of foo.
122         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
123         version_script.map.
124         * testsuite/Makefile.in: Rebuild.
125
126 2009-12-30  Ian Lance Taylor  <iant@google.com>
127
128         PR 10843
129         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
130         if the input symbol index is 0, make the output symbol index 0.
131
132 2009-12-30  Ian Lance Taylor  <iant@google.com>
133
134         PR 10670
135         * options.h (class General_options): Add -x/--discard-all.
136         * object.cc (Sized_relobj::do_count_local_symbols): Handle
137         --discard-all.  If the local symbol needs a dynamic entry, check
138         that before handling --discard-locals.
139
140 2009-12-30  Ian Lance Taylor  <iant@google.com>
141
142         PR 10450
143         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
144         flags to PF_R.
145         (Output_segment::add_output_section): Don't change the flags if
146         the type is PT_TLS.
147
148         PR 10450
149         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
150         GNU hash table if they need a dynamic value.  Otherwise, don't add
151         them if they are defined in a dynamic object or are forced local.
152
153 2009-12-29  Ian Lance Taylor  <iant@google.com>
154
155         PR 10450
156         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
157         .gnu.hash table for a 32-bit target.
158
159         PR 10450
160         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
161         regular and a dynamic object only needs a dynamic symbol table
162         entry if it is externally visible.
163
164         PR 10450
165         * i386.cc (class Target_i386): Initialize global_offset_table_ in
166         constructor.  Add global_offset_table_ field.
167         (Target_i386::got_section): Set global_offset_table_.
168         (Target_i386::do_finalize_sections): Set global_offset_table_
169         size.
170         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
171         in constructor.  Add global_offset_table_ field.
172         (Target_x86_64::got_section): Set global_offset_table_.
173         (Target_x86_64::do_finalize_sections): Set global_offset_table_
174         size.
175
176         * layout.cc (Layout::Layout): Initialize increase_relro_.
177         (Layout::get_output_section): Add is_relro, is_last_relro, and
178         is_first_non_relro parameters.  Change all callers.
179         (Layout::choose_output_section): Likewise.
180         (Layout::add_output_section_data): Likewise.
181         (Layout::make_output_section): Likewise.
182         (Layout::set_segment_offsets): Clear increase_relro when using a
183         linker script.
184         * layout.h (class Layout): Add increase_relro method.  Add
185         increase_relro_ field.  Update declarations.
186         * output.cc (Output_section::Output_section): Initialize
187         is_last_relro_ and is_first_non_relro_.
188         (Output_segment::add_output_section): Group relro sections is
189         do_sort is true.  Handle is_last_relro and is_first_non_relro.
190         (Output_segment::maximum_alignment): Remove relro handling.
191         (Output_segment::set_section_addresses): Add increase_relro
192         parameter.  Change all callers.  Add initial alignment to align
193         relro sections on separate page.  Remove old relro handling.
194         (Output_segment::set_section_list_addresses): Remove in_relro
195         parameter.  Change all callers.
196         (Output_segment::set_offset): Add increase parameter.  Change all
197         callers.  Remove old relro handling.
198         * output.h (class Output_section): Add new methods: is_last_relro,
199         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
200         Add is_last_relro_ and is_first_non_relro_ fields.
201         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
202         Create separate .got.plt section.  Call increase_relro.
203         * x86_64.cc (Target_x86_64::got_section): Likewise.
204         * testsuite/relro_script_test.t: Add .got.plt.
205
206         PR 10450
207         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
208         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
209         (Layout::finalize): Call set_dynamic_symbol_size.
210         (Layout::set_dynamic_symbol_size): New function.
211         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
212         set_dynamic_symbol_size.
213
214         PR 10450
215         * output.h (class Output_section): Add is_entsize_zero_ field.
216         * output.cc (Output_section::Output_section): Initialize
217         is_entsize_zero_.
218         (Output_section::set_entsize): If two different entsizes are
219         requested, force it to zero.
220         (Output_section::add_input_section): Set flags for .debug_str
221         before updating section flags.  Set entsize.
222         (Output_section::update_flags_for_input_section): Set SHF_MERGE
223         and SHF_STRING if all input sections have those flags.
224
225 2009-12-29   Rafael Espindola  <espindola@google.com>
226
227         * main.cc (main): Fix the sys time reporting.
228         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
229         reporting.
230
231 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
232
233         * options.cc (General_options::parse_version): Allow -v to exit
234         without an error if there is nothing to link.
235
236 2009-12-29  Ian Lance Taylor  <iant@google.com>
237
238         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
239         using a version of gcc before 4.1.
240         * configure: Rebuild.
241
242 2009-12-28  Chris Demetriou  <cgd@google.com>
243
244         * attributes.cc (Output_attributes_section_data::do_write): Use
245         std::vector::front rather than std::vector::data.
246
247 2009-12-28  Ian Lance Taylor  <iant@google.com>
248
249         * symtab.h (class Symbol_table): Add enum Defined.
250         * resolve.cc (Symbol_table::should_override): Add defined
251         parameter.  Change all callers.  Test whether object is NULL
252         before calling a method on it.
253         (Symbol_table::report_resolve_problem): Add defined parameter.
254         Change all callers.
255         (Symbol_table::should_override_with_special): Likewise.
256         * symtab.cc (Symbol_table::define_in_output_data): Add defined
257         parameter.  Change all callers.
258         (Symbol_table::do_define_in_output_data): Likewise.
259         (Symbol_table::define_in_output_segment): Likewise.
260         (Symbol_table::do_define_in_output_segment): Likewise.
261         (Symbol_table::define_as_constant): Likewise.
262         (Symbol_table::do_define_as_constant): Likewise.
263         * script.h (class Symbol_assignment): Add is_defsym parameter to
264         constructor; change all callers.
265         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
266         parameter.  Change all callers.  Add is_defsym_ field.
267         (class Parser_closure): Add parsing_defsym parameter to
268         constructor; change all callers.  Add parsing_defsym accessor
269         function.  Add parsing_defsym_ field.
270
271 2009-12-28  Ian Lance Taylor  <iant@google.com>
272
273         * gold.cc (queue_middle_tasks): Fix formatting.
274         * object.cc (Relobj::is_section_name_included): Likewise.
275
276 2009-12-23  Ian Lance Taylor  <iant@google.com>
277
278         * i386.cc (Target_i386::do_calls_non_split): Recognize
279         -fsplit-stack prologue for a function with a static chain.
280         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
281         -fsplit-stack prologue when using %r11.
282
283 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
284
285         * options.cc (General_options::parse_version): Make -v continue and do
286         the link like GNU ld does.
287
288 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
289
290         * Makefile.am (CCFILES): Add timer.cc.
291         (HFILES): Add timer.h.
292         * configure.ac: Check for sysconf and times.
293         * main.cc: include timer.h.
294         (main): Use Timer instead of get_run_time.
295         * timer.cc: New.
296         * timer.h: New.
297         * workqueue.cc: include timer.h.
298         (Workqueue::find_and_run_task):
299         Report user, sys and wall time.
300         * Makefile.in: Regenerate.
301         * config.in: Regenerate.
302         * configure: Regenerate.
303
304 2009-12-16  Doug Kwan  <dougkwan@google.com>
305
306         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
307         sections.
308         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
309         relaxed input sections.
310         * output.cc (Output_section::find_relaxed_input_section): Change
311         return type to Output_relaxed_input_section pointer.  Adjust code
312         for new type of relaxed_input_section_map_.
313         * output.h (Output_section::find_relaxed_input_section): Change
314         return type to Output_relaxed_input_section pointer.
315         (Output_section::Output_relaxed_input_section_by_input_section_map):
316         New type.
317         (Output_section::relaxed_input_section_map_): Change type to
318         Output_section::Output_relaxed_input_section_by_input_section_map.
319         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
320         input section.
321
322 2009-12-15  Ian Lance Taylor  <iant@google.com>
323
324         * layout.cc (Layout::create_shstrtab): Only write out after input
325         sections if we are compressing debug sections.
326
327 2009-12-15  Ian Lance Taylor  <iant@google.com>
328
329         * archive.cc (Archive::add_symbols): Only look up a symbol without
330         a version if there is, in fact, a version.
331
332 2009-12-14  Ian Lance Taylor  <iant@google.com>
333
334         Revert -Wshadow changes, all changes from:
335         2009-12-11  Doug Kwan  <dougkwan@google.com>
336         2009-12-11  Nick Clifton  <nickc@redhat.com>
337         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
338
339 2009-12-11  Doug Kwan  <dougkwan@google.com>
340
341         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
342         due to -Wshadow.
343         * attributes.cc (Object_attribute::size): Ditto.
344         (Attributes_section_data::size): Ditto.
345         (Attributes_section_data::Attributes_section_data): Ditto.
346         (Output_attributes_section_data::do_write): Ditto.
347         * attributes.h (Object_attribute::set_type): Ditto.
348         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
349
350 2009-12-11  Nick Clifton  <nickc@redhat.com>
351
352         * archive.cc: Fix shadowed variable warnings.
353         * arm.cc: Likewise.
354         * compressed_output.cc: Likewise.
355         * compressed_output.h: Likewise.
356         * configure: Likewise.
357         * dwarf_reader.cc: Likewise.
358         * dynobj.cc: Likewise.
359         * dynobj.h: Likewise.
360         * ehframe.cc: Likewise.
361         * ehframe.h: Likewise.
362         * errors.cc: Likewise.
363         * expression.cc: Likewise.
364         * fileread.cc: Likewise.
365         * fileread.h: Likewise.
366         * freebsd.h: Likewise.
367         * i386.cc: Likewise.
368         * icf.cc: Likewise.
369         * incremental.h: Likewise.
370         * layout.cc: Likewise.
371         * layout.h: Likewise.
372         * mapfile.cc: Likewise.
373         * merge.cc: Likewise.
374         * merge.h: Likewise.
375         * object.cc: Likewise.
376         * object.h: Likewise.
377         * options.h: Likewise.
378         * output.cc: Likewise.
379         * output.h: Likewise.
380         * parameters.cc: Likewise.
381         * plugin.cc: Likewise.
382         * powerpc.cc: Likewise.
383         * reduced_debug_output.cc: Likewise.
384         * reduced_debug_output.h: Likewise.
385         * reloc.cc: Likewise.
386         * reloc.h: Likewise.
387         * resolve.cc: Likewise.
388         * script-sections.cc: Likewise.
389         * script.cc: Likewise.
390         * script.h: Likewise.
391         * sparc.cc: Likewise.
392         * symtab.cc: Likewise.
393         * symtab.h: Likewise.
394         * target-select.cc: Likewise.
395         * target-select.h: Likewise.
396         * token.h: Likewise.
397         * workqueue.cc: Likewise.
398         * workqueue.h: Likewise.
399         * x86_64.cc: Likewise.
400
401 2009-12-10  Doug Kwan  <dougkwan@google.com>
402
403         * arm.cc (attributes.h): New include.
404         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
405         (Arm_relobj::~Arm_relobj): Delete object pointed by
406         attributes_section_data_.
407         (Arm_relobj::attributes_section_data): New method definition.
408         (Arm_relobj::attributes_section_data_): New data member declaration.
409         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
410         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
411         attributes_section_data_.
412         (Arm_dynobj::attributes_section_data): New method definition.
413         (Arm_dynobj::attributes_section_data_): New data member declaration.
414         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
415         initialization value of may_use_blx_ to false.
416         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
417         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
418         object attributes to compute results instead of hard-coding.
419         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
420         Target_arm::get_secondary_compatible_arch,
421         Target_arm::set_secondary_compatible_arch
422         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
423         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
424         New method declarations.
425         (Target_arm::get_aeabi_object_attribute): New method definition.
426         (Target_arm::attributes_section_data_): New data member declaration.
427         (read_arm_attributes_section): New template definition.
428         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
429         (Arm_dynobj::do_read_symbols): Ditto.
430         (Target_arm::do_finalize_sections): Merge attributes sections from
431         input.  Check for BLX use after attributes section merging.
432         Fix __exidx_start and __exidx_end visibility.  Create an
433         .ARM.attributes section if necessary.
434         (Target_arm::get_secondary_compatible_arch,
435         Target_arm::set_secondary_compatible_arch,
436         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
437         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
438         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order): 
439         New method definitions.
440
441 2009-12-09  Ian Lance Taylor  <iant@google.com>
442
443         * plugin.cc (Plugin::load): Don't cast from void* to a function
444         pointer.
445
446 2009-12-09  Ian Lance Taylor  <iant@google.com>
447
448         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
449         information fields.
450
451 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
452
453         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
454         Replace two_file_shared_1.so with two_file_shared_2.so.
455         * testsuite/Makefile.in: Regenerated.
456
457 2009-12-08  Doug Kwan  <dougkwan@google.com>
458
459         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
460         (HFILES): Add attributes.h and int_encoding.h.
461         * Makefile.in: Regenerate.
462         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
463         function definitions to int_encoding.cc
464         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
465         prototypes to int_encoding.h
466         * reduced_debug_output.cc (int_encoding.h): New include.
467         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
468         function definitions to int_encoding.cc
469         (insert_into_vector, read_from_pointer): Move template definitions to
470         int_encoding.h
471         * attributes.cc: New file.
472         * attributes.h: New file.
473         * int_encoding.cc: New file.
474         * int_encoding.h: New file.
475
476 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
477
478         PR gold/11055
479         * incremental-dump.cc (dump_incremental_inputs): New.
480         (main): Use dump_incremental_inputs.
481
482 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
483
484         PR gold/10893
485         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
486         checking elfcpp::STT_FUNC.
487         (Target_i386::Relocate::relocate): Likewise.
488         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
489
490         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
491         symbols from shared libraries into normal FUNC symbols.
492
493         * symtab.h (Symbol): Add is_func and use it.
494
495 2009-12-05  Doug Kwan  <dougkwan@google.com>
496
497         * arm.cc (Target_arm::arm_info): Initialize new fields
498         attributes_section and attributes_vendor.
499         * i386.cc (Target_i386::i386_info): Same.
500         * object.cc (Sized_relobj::do_layout): Skip attribute section.
501         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
502         fields attributes_section and attributes_vendor.
503         * sparc.cc (Target_sparc::sparc_info): Same.
504         * target.h (Target::attributes_section, Target::attributes_vendor,
505         Target::is_attributes_section, Target::attribute_arg_type,
506         Target::attributes_order): New method definitions.
507         (Target::Target_info::attributes_section,
508         Target::Target_info::attributes_vendor): New fields.
509         (Target::do_attribute_arg_type, Target::do_attributes_order): New
510         virtual method definitions.
511         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
512         attributes_section and attributes_vendor.
513         * testsuite/testfile.cc (Target_test::test_target_info): Same.
514
515 2009-12-05  Doug Kwan  <dougkwan@google.com>
516
517         * arm.cc: Update comments about interworking and stub generation.
518         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
519         considered as non-PIC.
520         (Arm_relocate_functions::base_abs): Fix formatting.
521         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
522         of function to use GOT entry address instead of offset.
523         (Target_arm::Scan::global): Issue an error if a symbol would need a
524         PLT does not get one because it is untyped.  Remove code to create
525         dynamic symbols for relative branches.
526         (Target_arm::Relocate::relocate: Use 0 instead of false since function
527         takes unsigned integer instead of boolean.
528
529 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
530
531         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
532         (two_file_test_LDADD): Likewise.
533         (common_test_1_LDADD): Likewise.
534         (exception_test_LDADD) Likewise.
535         (weak_test_LDADD): Likewise.
536         (many_sections_test_LDADD): Likewise.
537         (initpri1_LDADD): Likewise.
538         (script_test_1_LDADD): Likewise.
539         (script_test_2_LDADD): Likewise.
540         (justsyms_LDADD): Likewise.
541         (binary_test_LDADD): Likewise.
542         (large_LDADD): Likewise.
543         * testsuite/Makefile.in: Regenerated.
544
545 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
546
547         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
548         (Symbol_table::override_with_special): Likewise.
549         (Symbol_table::add_from_object): Likewise.
550
551 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
552
553         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
554         Don't set the data_offset twice.
555
556 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
557
558         * testsuite/Makefile.in: Regenerate.
559
560 2009-12-03  Doug Kwan  <dougkwan@google.com>
561
562         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
563         (Target_arm::do_finalize_sections): Add parameter for symbol table
564         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
565         * i386.cc (Target_i386::do_finalize_sections): Add an additional
566         parameter for symbol table pointer.
567         * layout.cc (Layout::finalize): Call Target::finalize_sections with
568         an additional parameter for a pointer to symbol table.
569         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
570         parameter for a symbol table pointer.
571         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
572         * target.h (Target::finalize_sections, Target::do_finalize_sections):
573         Ditto.
574         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
575         parameter for a symbol table pointer.
576
577 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
578
579         * incremental.cc (Incremental_inputs_header)
580         (Incremental_inputs_header_write, Incremental_inputs_entry)
581         (Incremental_inputs_entry_write): Move ...
582         * incremental.h (Incremental_inputs_header)
583         (Incremental_inputs_header_write, Incremental_inputs_entry)
584         (Incremental_inputs_entry_write): here.
585
586 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
587
588         * incremental.cc (make_sized_incremental_binary): Set the target.
589         Error if it is incompatible.
590         * output.h (Output_file): Add filename method.
591
592 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
593
594         * incremental.cc (Incremental_inputs_entry): Remove unused argument
595         from the get_* methods.
596
597 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
598
599         * incremental-dump.cc (main): Check that the offeset of a script is 0.
600         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
601         Write 0 for the data_offset of scripts.
602
603 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
604
605         * testsuite/Makefile.am: Add the incremental_test.sh test.
606         * testsuite/incremental_test.sh: New.
607         * testsuite/incremental_test_1.c: New.
608         * testsuite/incremental_test_2.c: New.
609
610 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
611
612        * incremental-dump.cc (main): Fix typos.
613
614 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
615
616         PR gold/11025
617         * incremental-dump.cc (main): Use llu to print 64 bit values.
618
619 2009-11-26  Per Ã˜yvind Karlsen <peroyvind@mandriva.org>
620             H.J. Lu  <hongjiu.lu@intel.com>
621
622         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
623         $(LIBDL).
624         (incremental_dump_LDADD): Likewise.
625         * Makefile.in: Regenerated.
626
627 2009-11-25  Doug Kwan  <dougkwan@google.com>
628         
629         Revert:
630
631         2009-11-25  Doug Kwan  <dougkwan@google.com>
632
633                 * arm.cc (Target_arm::Target_arm): Move method definition
634                 outside of class definition.  Add code to handle
635                 --target1-rel, --target1-abs and --target2= options.
636                 (Target_arm::get_reloc_reloc_type): Change method to be
637                 non-static and const.
638                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
639                 New data member declaration.
640                 (Target_arm::Scan::local, Target_arm::Scan::global,
641                 Target_arm::Relocate::relocate,
642                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
643                 Adjust call to Target_arm::get_real_reloc_type.
644                 (Target_arm::get_real_reloc_type): Use command line options
645                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
646                 * options.h (--target1-rel, --target1-abs, --target2): New
647                 ARM-only options.
648
649 2009-11-25  Doug Kwan  <dougkwan@google.com>
650
651         * arm.cc (Target_arm::Target_arm): Move method definition outside of
652         class definition.  Add code to handle --target1-rel, --target1-abs
653         and --target2= options.
654         (Target_arm::get_reloc_reloc_type): Change method to be non-static
655         and const.
656         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
657         member declaration.
658         (Target_arm::Scan::local, Target_arm::Scan::global,
659         Target_arm::Relocate::relocate,
660         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
661         call to Target_arm::get_real_reloc_type.
662         (Target_arm::get_real_reloc_type): Use command line options to
663         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
664         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
665         options.
666
667 2009-11-25  Doug Kwan  <dougkwan@google.com>
668
669         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
670         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
671         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
672         formatting.
673         (Arm_relocate_functions::thm_call): Replace body with a call to
674         Arm_relocate_functions::thumb_branch_common.
675         (Arm_relocate_functions::thm_jump24,
676         Arm_relocate_functions::thm_xpc22): New method definitions.
677         (Arm_relocate_functions::thumb_branch_common): New method definition.
678         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
679         operator.
680         (Target_arm::Relocate::relocate): Adjust call to thm_call.
681         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
682
683 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
684
685         * Makefile.am: Build incremental-dump
686         * Makefile.in: Regenerate.
687         * incremental-dump.cc: New.
688         * incremental.cc (Incremental_inputs_header_data,
689         Incremental_inputs_entry_data): Move to incremental.h
690         * incremental.h: (Incremental_inputs_header_data,
691         Incremental_inputs_entry_data): Move from incremental.cc
692
693 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
694
695         * incremental.cc (Incremental_inputs_header,
696         Incremental_inputs_header_write, Incremental_inputs_entry,
697         Incremental_inputs_entry_write): Add a typedef with the data type.
698
699 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
700
701         * incremental.cc (Incremental_inputs_header,
702         Incremental_inputs_header_write, Incremental_inputs_entry,
703         Incremental_inputs_entry_write): Update comment about which
704         type has the filed descriptions.
705
706 2009-11-15  Doug Kwan  <dougkwan@google.com>
707
708         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
709         (Arm_relocate_functions::arm_branch_common): Change method defintion
710         in class definition to a method declaration and update list of formal
711         parameters.
712         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
713         Arm_relocation_functions::jump24): Adjust call to
714         Arm_relocate_functions::arm_branch_common.  Update list of formal
715         parameters.
716         (Arm_relocate_functions::xpc25): New method definition.
717         (Arm_relocate_functions::arm_branch_common): Move method defintion
718         out from class definition.  Use stubs for mode-switching and extending
719         branch ranges.
720         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
721         specially.  Change code to enable use of stubs in ARM branches.
722
723 2009-11-10  Doug Kwan  <dougkwan@google.com>
724
725         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
726         in method declaration.
727         (Target_arm::relocate_stub): New method declaration.
728         (Target_arm::default_target): Change to return a pointer instead of
729         a const reference.
730         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
731         Target_arm::default_target.
732         (Arm_Relobj::do_relocate_sections): Remove options paramater in
733         method definition.
734         (Target_arm::relocate_section): Adjust view.
735         (Target_arm::relocate_stub): New method definition.
736
737 2009-11-10  Doug Kwan  <dougkwan@google.com>
738
739         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
740         a format warning.
741         * incremental.cc (open_incremental_binary): Initialized local
742         variables to avoid warnings.
743         * object.cc (make_elf_object): Ditto.
744         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
745         a format warning.
746  
747 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
748
749         PR gold/10930
750         * testsuite/plugin_test.c: Include "config.h".
751
752 2009-11-09  Doug Kwan  <dougkwan@google.com>
753
754         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
755         (arm_symbol_value): Remove.
756         (Arm_relocate_functions::arm_branch_common,
757         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
758         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
759         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
760         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
761         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
762         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
763         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
764         Arm_relocate_functions::thm_mobw_abs_nc,
765         Arm_relocate_functions::thm_mov_abs,
766         Arm_relocate_functions::movw_prel_nc,
767         Arm_relocate_functions::thm_movt_abs,
768         Arm_relocate_functions::movt_prel,
769         Arm_relocate_functions::thm_movw_prel_nc,
770         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
771         (Target_arm::Relocate::relocate): Only decompose address into two
772         parts if relocation type uses the thumb-bit and pass the actual
773         bit instead of a flag indicating that the thumb-bit is used.  Adjust
774         calls to methods in Arm_relocate_functions for this change.
775
776 2009-11-08  Ian Lance Taylor  <iant@google.com>
777
778         PR 10925
779         * reloc.cc: Instantiate
780         Sized_relobj::initialize_input_to_output_maps and
781         Sized_relobj:free_input_to_output_maps.
782
783 2009-11-06  Ian Lance Taylor  <iant@google.com>
784
785         PR 10876
786         * defstd.cc (in_segment): Set only_if_ref true for "end".
787
788 2009-11-06  Doug Kwan  <dougkwan@google.com>
789
790         * arm.cc (class Reloc_stub): Correct a comment.
791         (Target_arm::Target_arm): Initialize arm_input_section_map_.
792         (Target_arm::scan_section_for_stubs): New method declaration.
793         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
794         Change methods from private to protected.
795         (Target_arm::do_may_relax): New method definition.
796         (Target_arm::do_relax, Target_arm::group_sections,
797         Target_arm::scan_reloc_for_stub,
798         Target_arm::scan_reloc_section_for_stubs): New method declarations.
799         (Target_arm::arm_input_section_map_): New data member declaration.
800         (Target_arm::scan_reloc_for_stub,
801         Target_arm::scan_reloc_section_for_stubs,
802         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
803         Target_arm::do_relax): New method definitions.
804
805 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
806
807         * configure.ac: Check for (struct stat)::st_mtim
808         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
809         * config.in: Regenerate.
810         * configure: Regenerate.
811
812 2009-11-05  Ian Lance Taylor  <iant@google.com>
813
814         PR 10910
815         * output.cc (Output_segment::add_output_section): Add missing
816         return statement.
817
818 2009-11-04  Ian Lance Taylor  <iant@google.com>
819
820         PR 10880
821         * object.h (class Object): Add is_needed and set_is_needed
822         methods.  Add is_needed_ field.  Make bool fields into bitfields.
823         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
824         defined in a dynamic object and referenced by a regular object,
825         set is_needed for the dynamic object.
826         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
827         if the file is marked with as_needed and it is not needed.
828
829 2009-11-04  Ian Lance Taylor  <iant@google.com>
830
831         PR 10887
832         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
833         tags if data is discarded by linker script.
834         * i386.cc (Target_i386::do_finalize_sections): Likewise.
835         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
836         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
837         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
838
839 2009-11-04  Ian Lance Taylor  <iant@google.com>
840
841         * layout.cc (Layout::get_output_section): Add is_interp and
842         is_dynamic_linker_section parameters.  Change all callers.
843         (Layout::choose_output_section): Likewise.
844         (Layout::make_output_section): Likewise.
845         (Layout::add_output_section_data): Add is_dynamic_linker_section
846         parameter.  Change all callers.
847         * layout.h (class Layout): Update declarations.
848         * output.h (class Output_section): Add is_interp, set_is_interp,
849         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
850         Add is_interp_, is_dynamic_linker_section_ fields.  Change
851         generate_code_fills_at_write_ to a bitfield.
852         * output.cc (Output_section::Output_sections): Initialize new
853         fields.
854         (Output_segment::add_output_section): Add do_sort parameter.
855         Change all callers.
856
857 2009-11-03  Ian Lance Taylor  <iant@google.com>
858
859         PR 10860
860         * options.h (class General_options): Add --warn-common.
861         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
862         merging two common symbols.
863         (Symbol_table::should_override): Handle --warn-common when merging
864         a common symbol with a defined symbol.  Use report_resolve_problem
865         for multiple definitions.
866         (Symbol_table::report_resolve_problem): New function.
867         * symtab.h (class Symbol_table): Declare report_resolve_problem.
868
869 2009-11-03  Doug Kwan  <dougkwan@google.com>
870
871         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
872         stub_factory_.
873         (Target_arm::stub_factory): New method definition.
874         (Target_arm::new_arm_input_section,
875         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
876         Target_arm::reloc_uses_thumb_bit): New method declarations.
877         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map): 
878         New type definitions.
879         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
880         member declarations.
881         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
882         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
883         New method definitions.
884
885 2009-11-03  Ian Lance Taylor  <iant@google.com>
886
887         * options.h (class General_options): Add --warn_constructors.
888
889 2009-11-03  Ian Lance Taylor  <iant@google.com>
890
891         PR 10893
892         * defstd.cc (in_section): Add entries for __rel_iplt_start,
893         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
894
895 2009-11-03  Ian Lance Taylor  <iant@google.com>
896
897         PR 10895
898         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
899         --msgid-bugs-address.
900         (install-pdf): New target.
901         (install-data_yes): Look up one directory to find mkinstalldirs.
902
903 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
904
905         * po/Make-in (.po.gmo): Don't generate .gmo files in source
906         tree.
907
908 2009-10-30  Doug Kwan  <dougkwan@google.com>
909
910         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
911
912 2009-10-30  Doug Kwan  <dougkwan@google.com>
913
914         * arm.cc (Stub_addend_reader): New struct template definition
915         and partial specializations.
916         (Stub_addend_reader::operator()): New method definition for a
917         partially specialized template.
918
919 2009-10-30  Doug Kwan  <dougkwan@google.com>
920
921         * arm.cc (Arm_relobj::processor_specific_flags): New method
922         definition.
923         (Arm_relobj::do_read_symbols): New method declaration.
924         (Arm_relobj::processor_specific_flags_): New data member declaration.
925         (Arm_dynobj): New class definition.
926         (Target_arm::do_finalize_sections): Add input_objects parameter.
927         (Target_arm::do_adjust_elf_header): New method declaration.
928         (Target_arm::are_eabi_versions_compatible,
929         (Target_arm::merge_processor_specific_flags): New method declaration.
930         (Target_arm::do_make_elf_object): New overloaded method definitions
931         and declaration.
932         (Arm_relobj::do_read_symbols): New method definition.
933         (Arm_dynobj::do_read_symbols): Ditto.
934         (Target_arm::do_finalize_sections): Add input_objects parameters.
935         Merge processor-specific flags from all input objects.
936         (Target_arm::are_eabi_versions_compatible,
937         Target_arm::merge_processor_specific_flags,
938         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
939         New method definitions.
940         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
941         Input_objects pointer type parameter.
942         * layout.cc (Layout::finalize): Pass input objects to target's.
943         finalize_sections function.
944         * output.cc (Output_file_header::do_sized_write): Set ELF file
945         header's processor-specific flags.
946         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
947         Input_objects pointer type parameter.
948         * sparc.cc (Target_sparc::do_finalize_sections): Same.
949         * target.h (Input_objects): New forward class declaration.
950         (Target::processor_specific_flags,
951         Target::are_processor_specific_flags_sect): New method definitions.
952         (Target::finalize_sections): Add input_objects parameter.
953         (Target::Target): Initialize processor_specific_flags_ and
954         are_processor_specific_flags_set_.
955         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
956         parameter.
957         (Target::set_processor_specific_flags): New method definition.
958         (Target::processor_specific_flags_,
959         Target::are_processor_specific_flags_set_): New data member
960         declarations.
961         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
962         Input_objects pointer type parameter.
963
964 2009-10-30  Doug Kwan  <dougkwan@google.com>
965
966         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
967
968 2009-10-28  Ian Lance Taylor  <iant@google.com>
969
970         * object.h (class Relobj): Drop options parameter from
971         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
972         do_scan_relocs, do_relocate.  Change all callers.
973         (class Sized_relobj): Drop options parameters from
974         do_gc_process_relocs, do_scan_relocs, do_relocate,
975         do_relocate_sections, relocate_sections, emit_relocs_scan,
976         emit_relocs_scan_reltype.  Change all callers.
977         (struct Relocate_info): Remove options field and all references to
978         it.
979         * reloc.h (class Read_relocs): Remove options constructor
980         parameter and options_ field.  Change all callers.
981         (class Gc_process_relocs, class Scan_relocs): Likewise.
982         (class Relocate_task): Likewise.
983         * target-reloc.h (scan_relocs): Remove options parameter.  Change
984         all callers.
985         (scan_relocatable_relocs): Likewise.
986         * target.h (class Sized_target): Remove options parameter from
987         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
988         all callers.
989         * gc.h (gc_process_relocs): Remove options parameter.  Change all
990         callers.
991         * arm.cc: Update functions to remove options parameters.
992         * i386.cc: Likewise.
993         * powerpc.cc: Likewise.
994         * sparc.cc: Likewise.
995         * x86_64.cc: Likewise.
996         * testsuite/testfile.cc: Likewise.
997
998 2009-10-28  Doug Kwan  <dougkwan@google.com>
999
1000         * arm.cc (Arm_relobj): New class definition.
1001         (Arm_relobj::scan_sections_for_stubs, 
1002         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
1003         New method definitions.
1004
1005 2009-10-28  Cary Coutant  <ccoutant@google.com>
1006
1007         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
1008         (Plugin::cleanup_done_): New member.
1009         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
1010         (Plugin_manager::cleanup_done_): Remove.
1011         (Plugin_manager::add_input_file): Edit error message.
1012         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
1013         (Plugin_manager::cleanup): Remove use of cleanup_done_.
1014
1015 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
1016
1017         * fileread.cc: (File_read::View::~View): Use the new
1018         data_ownership_ filed.
1019         (File_read::~File_read): Dispose the new whole_file_view_.
1020         (File_read::open): Mmap the whole file if needed.
1021         (File_read::open): Use whole_file_view_ instead of contents_.
1022         (File_read::find_view): Use whole_file_view_ if applicable.
1023         (File_read::do_read): Use whole_file_view_ instead of contents_.
1024         (File_read::make_view): Use whole_file_view_ instead of contents_,
1025         update File_read::View::View call.
1026         (File_read::find_or_make_view): Update File_read::View::View
1027         call.
1028         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
1029         remove contents_
1030         (File_read::View::Data_ownership): New enum.
1031         (File_read::View::View): Replace bool mapped_ with Data_ownership
1032         argument.
1033         (File_read::View::mapped_): Remove (replaced by data_ownership_).
1034         (File_read::View::data_ownership_): New field.
1035         (File_read::contents_): Remove (replaced by whole_file_view_).
1036         (File_read::whole_file_view_): New field.
1037         * options.h (class General_options): Add --keep-files-mapped.
1038
1039 2009-10-27  Cary Coutant  <ccoutant@google.com>
1040
1041         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
1042         * testsuite/Makefile.am (plugin_test_5): New test case.
1043         * testsuite/Makefile.in: Regenerate.
1044
1045 2009-10-25  Doug Kwan  <dougkwan@google.com>
1046
1047         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
1048         from private to protected to allow access by child class.
1049         (Sized_relobj::do_relocate_sections): New method declaration.
1050         (Sized_relobj::relocate_sections): Virtualize.
1051         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from 
1052         Sized_relobj::relocate_sections.  Instantiate template explicitly
1053         for different target sizes and endianity.
1054
1055 2009-10-24  Doug Kwan  <dougkwan@google.com>
1056
1057         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
1058         (Arm_input_section::as_arm_input_section): New method.
1059         (Arm_output_section): New class definition.
1060         (Arm_output_section::create_stub_group,
1061         Arm_output_section::group_sections): New method definitions.
1062
1063 2009-10-22  Doug Kwan  <dougkwan@google.com>
1064
1065         * arm.cc (Arm_input_section): New class definition.
1066         (Arm_input_section::init, Arm_input_section:do_write,
1067         Arm_input_section::set_final_data_size,
1068         Arm_input_section::do_reset_address_and_file_offset): New method
1069         definitions.
1070
1071 2009-10-21  Doug Kwan  <dougkwan@google.com>
1072
1073         * arm.cc (Stub_table, Arm_input_section): New forward class
1074         declarations.
1075         (Stub_table): New class defintion.
1076         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
1077         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
1078         New method definition.
1079
1080 2009-10-21  Doug Kwan  <dougkwan@google.com>
1081
1082         * arm.cc: Update copyright comments.
1083         (Target_arm): New forward class template declaration.
1084         (Arm_address): New type.
1085         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
1086         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
1087         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
1088         constants.
1089         (Insn_template): Same.
1090         (DEF_STUBS): New macro.
1091         (Stub_type): New enum type.
1092         (Stub_template): New class definition.
1093         (Stub): Same.
1094         (Reloc_stub): Same.
1095         (Stub_factory): Same.
1096         (Target_arm::Target_arm): Initialize may_use_blx_ and
1097         should_force_pic_veneer_.
1098         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
1099         Target_arm::should_force_pic_veneer,
1100         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
1101         Target_arm::using_thumb_only, Target_arm:;default_target): New
1102         method defintions.
1103         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
1104         New data member declarations.
1105         (Insn_template::size, Insn_template::alignment): New method defintions.
1106         (Stub_template::Stub_template): New method definition.
1107         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
1108         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
1109         (Stub_factory::Stub_factory): New method definition.
1110         * gold.h (string_hash): New template.
1111         * output.h (Input_section_specifier::hash_value): Use
1112         gold::string_hash.
1113         (Input_section_specifier::string_hash): Remove.
1114         * stringpool.cc (Stringpool_template::string_hash): Use
1115         gold::string_hash.
1116
1117 2009-10-20  Doug Kwan  <dougkwan@google.com>
1118
1119         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
1120         symbols of relaxed input sections.
1121         * output.h (Output_section::find_relaxed_input_section): Make
1122         method public.
1123
1124 2009-10-16  Doug Kwan  <dougkwan@google.com>
1125
1126         * dynobj.cc (Versions::Versions): Initialize version_script_.
1127         Only insert base version symbol definition for a shared object
1128         if version script defines any version versions.
1129         (Versions::define_base_version): New method definition.
1130         (Versions::add_def): Check that base version is not needed.
1131         (Versions::add_need): Define base version lazily.
1132         * dynobj.h (Versions::define_base_version): New method declaration.
1133         (Versions::needs_base_version_): New data member declaration.
1134         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
1135         (check_DATA): Add no_version_test.stdout.
1136         (libno_version_test.so, no_version_test.o no_version_test.stdout):
1137         New make rules.
1138         * testsuite/Makefile.in: Regenerate.
1139         * testsuite/no_version_test.c: New file.
1140         * testsuite/no_version_test.sh: Ditto.
1141
1142 2009-10-16  Doug Kwan  <dougkwan@google.com>
1143
1144         * expression.cc (class Segment_start_expression): New class definition.
1145         (Segment_start_expression::value): New method definition.
1146         (script_exp_function_segment_start): Return a new
1147         Segment_start_expression.
1148         * gold/script-c.h (script_saw_segment_start_expression): New function
1149         prototype.
1150         * script-sections.cc (Script_sections::Script_sections): Initialize
1151         SAW_SEGMENT_START_EXPRESSION_ to false.
1152         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
1153         and -Tbbs options to specify section addresses if given in
1154         command line and no SEGMENT_START expression is seen in a script.
1155         * script-sections.h (Script_sections::saw_segment_start_expression,
1156         Script_sections::set_saw_segment_start_expression): New method
1157         definition.
1158         (Script_sections::saw_segment_start_expression_): New data member
1159         declaration.
1160         * script.cc (script_saw_segment_start_expression): New function.
1161         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
1162         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
1163         script_test_7.sh and script_test_8.sh.
1164         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
1165         script_test_8.stdout.
1166         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
1167         (script_test_6, script_test_6.stdout, script_test_7,
1168         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
1169         * Makefile.in: Regenerate.
1170         * testsuite/script_test_6.sh: New file.
1171         * testsuite/script_test_6.t: Same.
1172         * testsuite/script_test_7.sh: Same.
1173         * testsuite/script_test_7.t: Same.
1174         * testsuite/script_test_8.sh: Same.
1175
1176 2009-10-16  Doug Kwan  <dougkwan@google.com>
1177
1178         * output.cc (Output_segment::set_section_list_address): Cast
1179         expressions to unsigned long long type to avoid format warnings.
1180
1181 2009-10-15  Ian Lance Taylor  <iant@google.com>
1182
1183         * script.cc (Script_options::add_symbol_assignment): Always add a
1184         dot assignment to script_sections_.
1185         * script-sections.cc (Script_sections::add_dot_assignment):
1186         Initialize if necessary.
1187
1188         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
1189         program headers with no load segment if there is a linker script.
1190
1191         * layout.cc (Layout::set_segment_offsets): Align the file offset
1192         to the segment aligment for -N or -n with no load segment.
1193         * output.cc (Output_segment::add_output_section): Don't crash if
1194         the first section is a TLS section.
1195         (Output_segment::set_section_list_addresses): Print an error
1196         message if the address moves backward in a linker script.
1197         * script-sections.cc
1198         (Output_section_element_input::set_section_addresses): Don't
1199         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
1200         (Orphan_output_section::set_section_addresses): Likewise.
1201
1202 2009-10-15  Doug Kwan  <dougkwan@google.com>
1203
1204         * layout.cc (Layout::finish_dynamic_section): Generate tags
1205         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
1206         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
1207         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
1208
1209 2009-10-14  Ian Lance Taylor  <iant@google.com>
1210
1211         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
1212         fields.
1213         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
1214         data_shdr fields of relinfo.
1215         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
1216         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
1217         R_386_TLS_LDO_32, adjust based on section flags.
1218         (Target_i386::Relocate::fix_up_ldo): Remove.
1219
1220 2009-10-13  Ian Lance Taylor  <iant@google.com>
1221
1222         Add support for -pie.
1223         * options.h (class General_options): Add -pie and
1224         --pic-executable.
1225         (General_options::output_is_position_independent): Test -pie.
1226         (General_options::output_is_executable): Return true if not shared
1227         and not relocatable.
1228         (General_options::output_is_pie): Remove.
1229         * options.cc (General_options::finalize): Reject incompatible uses
1230         of -pie.
1231         * gold.cc (queue_middle_tasks): A -pie link is not static.
1232         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
1233         * symtab.cc (Symbol::final_value_is_known): Return false if
1234         output_is_position_independent.
1235         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
1236         output_is_position_independent.
1237         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
1238         output_is_position_independent.
1239         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
1240         output_is_position_independent.
1241         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
1242         two_file_pie_test.
1243         (basic_pie_test.o, basic_pie_test): New targets.
1244         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
1245         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
1246         (two_file_pie_test): New target.
1247         * testsuite/Makefile.in: Rebuild.
1248         * README: Remove note saying that -pie is not supported.
1249
1250 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1251
1252         * options.h (class General_options): Add -init and -fini.
1253         * layout.cc (Layout::finish_dynamic_section): Emit
1254         given init and fini functions.
1255
1256 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
1257
1258         * gc.h (gc_process_relocs): Check if icf is enabled using new
1259         function.
1260         * gold.cc (queue_initial_tasks): Likewise.
1261         (queue_middle_tasks): Likewise.
1262         * object.cc (do_layout): Likewise.
1263         * symtab.cc (is_section_folded): Likewise.
1264         * main.cc (main): Likewise.
1265         * reloc.cc (Read_relocs::run): Likewise.
1266         (Sized_relobj::do_scan_relocs): Likewise.
1267         * icf.cc (is_function_ctor_or_dtor): New function.
1268         (Icf::find_identical_sections): Check if function is ctor or dtor when
1269         safe icf is chosen.
1270         * options.h (General_options::icf): Change option to be an enum.
1271         (Icf_status): New enum.
1272         (icf_enabled): New method.
1273         (icf_safe_folding): New method.
1274         (set_icf_status): New method.
1275         (icf_status_): New variable.
1276         * (options.cc) (General_options::finalize): Set icf_status_.
1277         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
1278         icf_test and icf_keep_unique_test to use the --icf enum flag.
1279         * testsuite/icf_safe_test.sh: New file.
1280         * testsuite/icf_safe_test.cc: New file. 
1281
1282 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
1283
1284         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
1285         includes to gc.h and icf.h.
1286         * arm.cc: Include gc.h.
1287         * gold.cc: Likewise.
1288         * i386.cc: Likewise.
1289         * powerpc.cc: Likewise.
1290         * sparc.cc: Likewise.
1291         * x86_64.cc: Likewise.
1292         * gc.h: Include icf.h.
1293
1294 2009-10-11  Ian Lance Taylor  <iant@google.com>
1295
1296         * plugin.cc: Include "gold.h" before other header files.
1297
1298 2009-10-10  Chris Demetriou  <cgd@google.com>
1299
1300         * options.h (Input_file_argument::Input_file_type): New enum.
1301         (Input_file_argument::is_lib_): Replace with...
1302         (Input_file_argument::type_): New member.
1303         (Input_file_argument::Input_file_argument): Take Input_file_type
1304         'type' rather than boolean 'is_lib' as second argument.
1305         (Input_file_argument::is_lib): Use type_.
1306         (Input_file_argument::is_searched_file): New function.
1307         (Input_file_argument::may_need_search): Handle is_searched_file.
1308         * options.cc (General_options::parse_library): Support -l:filename.
1309         (General_options::parse_just_symbols): Update for Input_file_argument
1310         changes.
1311         (Command_line::process): Likewise.
1312         * archive.cc (Archive::get_file_and_offset): Likewise.
1313         * plugin.cc (Plugin_manager::release_input_file): Likewise.
1314         * script.cc (read_script_file, script_add_file): Likewise.
1315         * fileread.cc (Input_file::Input_file): Likewise.
1316         (Input_file::will_search_for): Handle is_searched_file.
1317         (Input_file::open): Likewise.
1318         * readsyms.cc (Read_symbols::get_name): Likewise.
1319         * testsuite/Makefile.am (searched_file_test): New test.
1320         * testsuite/Makefile.in: Regenerate.
1321         * testsuite/searched_file_test.cc: New file.
1322         * testsuite/searched_file_test_lib.cc: New file.
1323
1324 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1325             Ian Lance Taylor  <iant@google.com>
1326
1327         * descriptor.cc: Include <cstdio> and "binary-io.h".
1328         (Descriptors::open): Open the files in binary mode always.
1329         * script.cc (Lex::get_token): Treat \r as whitespace.
1330
1331 2009-10-09  Ian Lance Taylor  <iant@google.com>
1332
1333         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
1334
1335 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1336             Ian Lance Taylor  <iant@google.com>
1337
1338         * configure.ac: Check for readv function also.
1339         * fileread.cc (readv): Define if not HAVE_READV.
1340         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
1341         does not exist.
1342         * config.in: Regenerate.
1343         * configure: Regenerate.
1344
1345 2009-10-09  Doug Kwan  <dougkwan@google.com>
1346
1347         * layout.cc (Layout::make_output_section): Call target hook to make
1348         ordinary output section.
1349         (Layout::finalize): Adjust parameter list of call the
1350         Target::may_relax().
1351         * layout.h (class Layout::section_list): New method.
1352         * merge.h (Output_merge_base::entsize): Change visibility to public.
1353         (Output_merge_base::is_string, Output_merge_base::do_is_string):
1354         New methods.
1355         (Output_merge_string::do_is_string): New method.
1356         * object.cc (Sized_relobj::do_setup): renamed from
1357         Sized_relobj::set_up.
1358         * object.h (Sized_relobj::adjust_shndx,
1359         Sized_relobj::initializ_input_to_output_maps,
1360         Sized_relobj::free_input_to_output_maps): Change visibilities to
1361         protected.
1362         (Sized_relobj::setup): Virtualize.
1363         (Sized_relobj::do_setup): New method declaration.
1364         (Sized_relobj::invalidate_section_offset,
1365         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
1366         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
1367         * options.cc (parse_int): New function.
1368         * options.h (parse_int): New declaration.
1369         (DEFINE_int): New macro.
1370         (stub_group_size): New option.
1371         * output.cc (Output_section::Output_section): Initialize memebers
1372         merge_section_map_, merge_section_by_properties_map_,
1373         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
1374         (Output_section::add_input_section): Handled deferred code-fill
1375         generation and remove an old comment.
1376         (Output_section::add_relaxed_input_section): New method definition.
1377         (Output_section::add_merge_input_section): Use merge section by
1378         properties map to speed to search.  Update merge section maps
1379         as appropriate.
1380         (Output_section::build_relaxation_map): New method definition.
1381         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
1382         Same.
1383         (Output_section::relax_input_section): Renamed to
1384         Output_section::convert_input_sections_to_relaxed_sections and change
1385         interface to take a vector of pointers to relaxed sections.
1386         (Output_section::find_merge_section,
1387         Output_section::find_relaxed_input_section): New method definitions.
1388         (Output_section::is_input_address_mapped,
1389         Output_section::output_offset, Output_section::output_address):
1390         Use output section data maps to speed up searching.
1391         (Output_section::find_starting_output_address): Add comments.
1392         (Output_section::do_write,
1393         Output_section::write_to_postprocessing_buffer): Do code-fill
1394         generation as appropriate.
1395         (Output_section::get_input_sections): Invalidate relaxed input section
1396         map.
1397         (Output_section::restore_states): Adjust type of checkpoint .
1398         Invalidate relaxed input section map.
1399         * output.h (Output_merge_base): New class declaration.
1400         (Input_section_specifier): New class defintion.
1401         (class Output_relaxed_input_section) Change base class to
1402         Output_section_data_build.
1403         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
1404         base class initializer.
1405         (Output_section::add_relaxed_input_section): New method declaration.
1406         (Output_section::Input_section): Change visibility to protected.
1407         (Output_section::Input_section::relobj,
1408         Output_section::Input_section::shndx): Handle relaxed input sections.
1409         Output_section::input_sections) Change visibility to protected.  Also
1410         define overload to return a non-const pointer.
1411         (Output_section::Merge_section_properties): New class defintion.
1412         (Output_section::Merge_section_by_properties_map,
1413         Output_section::Output_section_data_by_input_section_map,
1414         Output_section::Relaxation_map): New types.
1415         (Output_section::relax_input_section): Rename method to
1416         Output_section::convert_input_sections_to_relaxed_sections and change
1417         interface to take a vector of relaxed section pointers.
1418         (Output_section::find_merge_section,
1419         Output_section::find_relaxed_input_section,
1420         Output_section::build_relaxation_map,
1421         Output_section::convert_input_sections_in_list_to_relaxed_sections):
1422         New method declarations.
1423         (Output_section::merge_section_map_
1424         Output_section::merge_section_by_properties_map_,
1425         Output_section::relaxed_input_section_map_,
1426         Output_section::is_relaxed_input_section_map_valid_,
1427         Output_section::generate_code_fills_at_write_): New data members.
1428         * script-sections.cc
1429         (Output_section_element_input::set_section_addresses): Call
1430         current_data_size and addralign methods of relaxed input sections.
1431         (Orphan_output_section::set_section_addresses): Call current_data_size
1432         and addralign methods of relaxed input sections.
1433         * symtab.cc (Symbol_table::compute_final_value): Extract template
1434         from the body of Symbol_table::sized_finalize_symbol.
1435         (Symbol_table::sized_finalized_symbol): Call
1436         Symbol_table::compute_final_value.
1437         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
1438         (Symbol_table::compute_final_value): New templated method declaration.
1439         * target.cc (Target::do_make_output_section): New method defintion.
1440         * target.h (Target::make_output_section): New method declaration.
1441         (Target::relax): Add more parameters for input objects, symbol table
1442         and layout.  Adjust call to do_relax.
1443         (Target::do_make_output_section): New method declaration.
1444         (Target::do_relax): Add parameters for input objects, symbol table
1445         and layout.
1446
1447 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1448
1449         * pread.c: Include stdio.h.
1450
1451 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1452
1453         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
1454         defined.
1455
1456 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1457
1458         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
1459         Change read_shndx type to unsigned int.
1460         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
1461         int.
1462         (Sized_dwarf_line_info::read_line_mappings): Likewise.
1463         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
1464         Change read_shndx type to unsigned int.
1465         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
1466         int.
1467         (Sized_dwarf_line_info::read_line_mappings): Likewise.
1468         * layout.cc (Layout::create_symtab_sections): Cast the result of
1469         local_symcount * symsize to off_t in the gold_assert.
1470
1471 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1472
1473         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
1474         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
1475         R_ARM_BASE_ABS.
1476         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
1477         (Arm_relocate_functions::thm_abs5): New function.
1478         (Arm_relocate_functions::abs12): New function.
1479         (Arm_relocate_functions::abs16): New function.
1480         (Arm_relocate_functions::base_abs): New function.
1481         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
1482         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
1483         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
1484         R_ARM_BASE_ABS.
1485         (Scan::global): Likewise.
1486         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
1487         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
1488         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
1489         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
1490         R_ARM_BASE_ABS.
1491
1492 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1493
1494         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
1495         (Arm_relocate_functions::movt_prel): New function.
1496         (Arm_relocate_functions::thm_movw_prel_nc): New function.
1497         (Arm_relocate_functions::thm_movt_prel): New function.
1498         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
1499         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
1500         (Scan::global, Relocate::relocate): Likewise.
1501         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
1502
1503 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
1504
1505         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
1506         Incremental_checker.
1507         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
1508         unsigned int.
1509         (class Incremental_inputs_header): New class.
1510         (Incremental_inputs_header_writer): Edit comment.
1511         (Incremental_inputs_entry): New class.
1512         (Incremental_inputs_entry_writer): Edit comment.
1513         (Sized_incremental_binary::do_find_incremental_inputs_section):
1514         Add *strtab_shndx parameter, fill it.
1515         (Sized_incremental_binary::do_check_inputs): New method.
1516         (Incremental_checker::can_incrementally_link_output_file): Use
1517         Sized_incremental_binary::check_inputs.
1518         (Incremental_inputs::report_command_line): Save command line in
1519         command_line_.
1520         * incremental.h:
1521         (Incremental_binary::find_incremental_inputs_section): New
1522         method.
1523         (Incremental_binary::do_find_incremental_inputs_section): Add
1524         strtab_shndx parameter.
1525         (Incremental_binary::do_check_inputs): New pure virtual method.
1526         (Sized_incremental_binary::do_check_inputs): Declare.
1527         (Incremental_checker::Incremental_checker): Add incremental_inputs
1528         parameter, use it to initialize incremental_inputs_.
1529         (Incremental_checker::incremental_inputs_): New field.
1530         (Incremental_checker::command_line): New method.
1531         (Incremental_checker::inputs): New method.
1532         (Incremental_checker::command_line_): New field.
1533
1534 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
1535
1536         * incremental.cc: Include <cstdarg> and "target-select.h".
1537         (vexplain_no_incremental): New function.
1538         (explain_no_incremental): New function.
1539         (Incremental_binary::error): New method.
1540         (Sized_incremental_binary::do_find_incremental_inputs_section): New
1541         method.
1542         (make_sized_incremental_binary): New function.
1543         (open_incremental_binary): New function.
1544         (can_incrementally_link_file): Add checks if output is ELF and has
1545         inputs section.
1546         * incremental.h: Include "elfcpp_file.h" and "output.h".
1547         (Incremental_binary): New class.
1548         (Sized_incremental_binary): New class.
1549         (open_incremental_binary): Declare.
1550         * object.cc (is_elf_object): Use
1551         elfcpp::Elf_recognizer::is_elf_file.
1552         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
1553         * output.h (Output_file::filesize): New method.
1554
1555 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1556
1557         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
1558         New function.
1559         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
1560         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
1561         function.
1562         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
1563         function.
1564         (Arm_relocate_functions::movw_abs_nc): New function.
1565         (Arm_relocate_functions::movt_abs): New function.
1566         (Arm_relocate_functions::thm_movw_abs_nc): New function.
1567         (Arm_relocate_functions::thm_movt_abs): New function.
1568         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
1569         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
1570         (Scan::global): Likewise.
1571         (Relocate::relocate): Likewise.
1572         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
1573
1574 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1575
1576         * arm.cc (Arm_relocate_functions::got_prel) New function.
1577         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
1578         (Relocate::relocate): Likewise.
1579         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
1580
1581 2009-10-06  Ian Lance Taylor  <iant@google.com>
1582
1583         * options.h (class General_options): Define
1584         split_stack_adjust_size parameter.
1585         * object.h (class Object): Add uses_split_stack_ and
1586         has_no_split_stack_ fields.  Add uses_split_stack and
1587         has_no_split_stack accessor functions.  Declare
1588         handle_split_stack_section.
1589         (class Reloc_symbol_changes): Define.
1590         (class Sized_relobj): Define Function_offsets.  Declare
1591         split_stack_adjust, split_stack_adjust_reltype, and
1592         find_functions.
1593         * object.cc (Object::handle_split_stack_section): New function.
1594         (Sized_relobj::do_layout): Call handle_split_stack_section.
1595         * dynobj.cc (Sized_dynobj::do_layout): Call
1596         handle_split_stack_section.
1597         * reloc.cc (Sized_relobj::relocate_sections): Call
1598         split_stack_adjust for executable sections in split_stack
1599         objects.  Pass reloc_map to relocate_section.
1600         (Sized_relobj::split_stack_adjust): New function.
1601         (Sized_relobj::split_stack_adjust_reltype): New function.
1602         (Sized_relobj::find_functions): New function.
1603         * target-reloc.h: Include "object.h".
1604         (relocate_section): Add reloc_symbol_changes parameter.  Change
1605         all callers.
1606         * target.h (class Target): Add calls_non_split method.  Declare
1607         do_calls_non_split virtual method.  Declare match_view and
1608         set_view_to_nop.
1609         * target.cc: Include "elfcpp.h".
1610         (Target::do_calls_non_split): New function.
1611         (Target::match_view): New function.
1612         (Target::set_view_to_nop): New function.
1613         * gold.cc (queue_middle_tasks): Give an error if mixing
1614         split-stack and non-split-stack objects with -r.
1615         * i386.cc (Target_i386::relocate_section): Add
1616         reloc_symbol_changes parameter.
1617         (Target_i386::do_calls_non_split): New function.
1618         * x86_64.cc (Target_x86_64::relocate_section): Add
1619         reloc_symbol_changes parameter.
1620         (Target_x86_64::do_calls_non_split): New function.
1621         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
1622         parameter.
1623         * powerpc.cc (Target_powerpc::relocate_section): Add
1624         reloc_symbol_changes parameter.
1625         * sparc.cc (Target_sparc::relocate_section): Add
1626         reloc_symbol_changes parameter.
1627         * configure.ac: Call AM_CONDITIONAL for the default target.
1628         * configure: Rebuild.
1629         * testsuite/Makefile.am (TEST_AS): New variable.
1630         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
1631         (check_DATA): Add split_i386 and split_x86_64 files.
1632         (SPLIT_DEFSYMS): Define.
1633         (split_i386_[1234n].o): New targets.
1634         (split_i386_[124]): New targets.
1635         (split_i386_[1234r].stdout): New targets.
1636         (split_x86_64_[1234n].o): New targets.
1637         (split_x86_64_[124]): New targets.
1638         (split_x86_64_[1234r].stdout): New targets.
1639         (MOSTLYCLEANFILES): Add new executables.
1640         * testsuite/split_i386.sh: New file.
1641         * testsuite/split_x86_64.sh: New file.
1642         * testsuite/split_i386_1.s: New file.
1643         * testsuite/split_i386_2.s: New file.
1644         * testsuite/split_i386_3.s: New file.
1645         * testsuite/split_i386_4.s: New file.
1646         * testsuite/split_i386_n.s: New file.
1647         * testsuite/split_x86_64_1.s: New file.
1648         * testsuite/split_x86_64_2.s: New file.
1649         * testsuite/split_x86_64_3.s: New file.
1650         * testsuite/split_x86_64_4.s: New file.
1651         * testsuite/split_x86_64_n.s: New file.
1652         * testsuite/testfile.cc (Target_test): Update relocation_section
1653         function.
1654         * testsuite/Makefile.in: Rebuild.
1655
1656 2009-10-06  Ian Lance Taylor  <iant@google.com>
1657
1658         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
1659         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
1660         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
1661         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
1662         the address on ldo_addrs_.
1663         (Target_i386::Relocate::fix_up_ldo): New function.
1664
1665 2009-10-06   Rafael Espindola  <espindola@google.com>
1666
1667         * plugin.cc (add_input_library): New.
1668         (Plugin::load): Add add_input_library to tv.
1669         (Plugin_manager::add_input_file): Add the is_lib argument.
1670         (add_input_file): Update call to Plugin_manager::add_input_file.
1671         (add_input_library): New.
1672         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
1673
1674 2009-09-30  Doug Kwan  <dougkwan@google.com>
1675
1676         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
1677         symbol and call Symbol::may_need_copy_reloc to determine if
1678         a copy reloc is needed.
1679         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
1680         nocopyreloc is given in command line.
1681         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
1682         given in command line.
1683         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
1684         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
1685         of the removed Target_i386::may_need_copy_reloc.
1686         * options.h (copyreloc): New option with default value false.
1687         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
1688         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
1689         instead of the removed Target_powerpc::may_need_copy_reloc.
1690         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
1691         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
1692         instead of the removed Target_sparc::may_need_copy_reloc.
1693         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
1694         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
1695         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
1696         instead of the removed Target_x86_64::may_need_copy_reloc.
1697
1698 2009-09-30  Ian Lance Taylor  <iant@google.com>
1699
1700         * object.h (class Object): Remove target_ field, and target,
1701         sized_target, and set_target methods.
1702         (Object::sized_target): Remove.
1703         (class Sized_relobj): Update declarations.  Remove sized_target.
1704         * object.cc (Sized_relobj::setup): Remove target parameter.
1705         Change all callers.
1706         (Input_objects::add_object): Don't do anything with the target.
1707         (make_elf_sized_object): Add punconfigured parameter.  Change all
1708         callers.  Set or test parameter target.
1709         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
1710         Change all callers.
1711         * parameters.cc (Parameters::set_target): Change parameter type to
1712         be non-const.
1713         (Parameters::default_target): Remove.
1714         (set_parameters_target): Change parameter type to be non-const.
1715         (parameters_force_valid_target): New function.
1716         (parameters_clear_target): New function.
1717         * parameters.h (class Parameters): Update declarations.  Remove
1718         default_target method.  Add sized_target and clear_target
1719         methods.  Change target_ to be non-const.
1720         (set_parameters_target): Update declaration.
1721         (parameters_force_valid_target): Declare.
1722         (parameters_clear_target): Declare.
1723         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
1724         as NULL if we aren't searching.
1725         (Add_symbols::run): Don't check for compatible target.
1726         * fileread.cc (Input_file::open_binary): Call
1727         parameters_force_valid_target.
1728         * gold.cc (queue_middle_tasks): Likewise.
1729         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
1730         set_target on object.
1731         * dynobj.h (class Sized_dynobj): Update declarations.
1732         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
1733         make_elf_object returns NULL.
1734         (Archive::include_member): Don't check whether object target is
1735         compatible.
1736         * output.cc (Output_section::add_input_section): Get target from
1737         parameters.
1738         (Output_section::relax_input_section): Likewise.
1739         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
1740         parameters.
1741         (Sized_relobj::do_scan_relocs): Likewise.
1742         (Sized_relobj::relocate_sections): Likewise.
1743         * resolve.cc (Symbol_table::resolve): Likewise.
1744         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
1745         parameter.  Change all callers.
1746         (Symbol_table::add_from_object): Get target from parameters.
1747         (Symbol_table::add_from_relobj): Don't check object target.
1748         (Symbol_table::add_from_dynobj): Likewise.
1749         (Symbol_table::define_special_symbol): Get target from
1750         parameters.
1751         * symtab.h (class Symbol_table): Update declaration.
1752         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
1753         parameter.  Change all callers.  Clear parameter target.
1754         (Binary_test): Test target here.
1755         * testsuite/object_unittest.cc (gold_testsuite): Remove
1756         target_test_pointer parameter.  Change all callers.
1757         (Object_test): Test target here.
1758
1759 2009-09-26  Ian Lance Taylor  <iant@google.com>
1760
1761         * testsuite/initpri1.c: Don't try to use constructor priorities if
1762         compiling with gcc before 4.3.
1763
1764 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
1765
1766         * testsuite/retain_symbols_file_test.sh (check_present): Change
1767         output file name to retain_symbols_file_test.stdout.
1768         (check_absent): Likewise.
1769
1770 2009-09-18  Craig Silverstein  <csilvers@google.com>
1771
1772         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
1773         * options.cc: Include <cerrno> and <fstream>.
1774         (General_options::finalize): Parse -retain-symbols-file tag.
1775         * options.h: New flag.
1776         (General_options): New method should_retain_symbol, new
1777         variable symbols_to_retain.
1778         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
1779         should_retain_symbol map.
1780         * testsuite/Makefile.am (retain_symbols_file_test): New test.
1781         * testsuite/Makefile.in: Regenerate.
1782         * testsuite/retain_symbols_file_test.sh: New file.
1783
1784 2009-09-18  Nick Clifton  <nickc@redhat.com>
1785
1786         * po/es.po: Updated Spanish translation.
1787
1788 2009-09-17  Doug Kwan  <dougkwan@google.com>
1789
1790         * debug.h (DEBUG_RELAXATION): New constant.
1791         (DEBUG_ALL): Add DEBUG_RELAXATION.
1792         (debug_string_to_enum): Add relaxation debug option.
1793         * layout.cc
1794         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
1795         Layout::Relaxation_debug_check::read_sections,
1796         Layout::Relaxation_debug_check::read_sections): New method definitions.
1797         (Layout::Layout): Initialize data members
1798         record_output_section_data_from_scrips_,
1799         script_output_section_data_list_ and relaxation_debug_check_.
1800         (Layout::save_segments, Layout::restore_segments,
1801         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
1802         Layout::relaxation_loop_body): New method definitions.
1803         (Layout::finalize): Support relaxation.  Move section layout code to
1804         Layout::relaxation_loop_body.
1805         (Layout::set_asection_address_from_script): Move code for orphan
1806         section placement out.
1807         (Layout::place_orphan_sections_in_script): New method definition.
1808         * layout.h (Output_segment_headers, Output_file_header):
1809         New forward class declarations.
1810         (Layout::~Layout): Define.
1811         (Layout::new_output_section_data_from_script): New method definition.
1812         (Layout::place_orphan_sections_in_script): New method declaration.
1813         (Layout::Segment_states): New type declaration.
1814         (Layout::save_segments, Layout::restore_segments,
1815         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
1816         Layout::relaxation_loop_body): New method declarations.
1817         (Layout::Output_section_data_list): New type declaration.
1818         (Layout::Relaxation_debug_check): New class definition.
1819         (Layout::record_output_section_data_from_script_,
1820         Layout::script_output_section_data_list_, Layout::segment_states_,
1821         Layout::relaxation_debug_check_): New data members.
1822         * output.cc: (Output_section_headers::do_size): New method definition.
1823         (Output_section_headers::Output_section_headers): Move size
1824         computation to Output_section_headers::do_size.
1825         (Output_segment_headers::do_size): New method definition.
1826         (Output_file_header::Output_file_header): Move size computation to 
1827         Output_file_header::do_size and call it.
1828         (Output_file_header::do_size): New method definition.
1829         (Output_data_group::Output_data_group): Adjust call to
1830         Output_section_data.
1831         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
1832         (Output_symtab_xindex::do_write): Add array bound check.
1833         (Output_section::Input_section::print_to_mapfile): Handle
1834         RELAXED_INPUT_SECTION_CODE.
1835         (Output_section::Output_section): Initialize data member checkpoint_.
1836         (Output_section::~Output_section): Delete checkpoint object pointed
1837         by checkpoint_.
1838         (Output_section::add_input_section): Always add an Input_section if
1839         relaxing.
1840         (Output_section::add_merge_input_section): Add assert.
1841         (Output_section::relax_input_section): New method definition.
1842         (Output_section::set_final_data_size): Set load address to zero for
1843         an unallocated section.
1844         (Output_section::do_address_and_file_offset_have_reset_values):
1845         New method definition.
1846         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
1847         Handle relaxed input section.
1848         (Output_section::sort_attached_input_sections): Checkpoint input
1849         section list lazily.
1850         (Output_section::get_input_sections): Change type of input_sections to
1851         list of Simple_input_section pointers.  Checkpoint input section list
1852         lazily.  Also handle relaxed input sections.
1853         (Output_section::add_input_section_for_script): Take a reference to
1854         a Simple_input_section object instead of Relobj pointer and section
1855         index as parameter.  Handle relaxed input sections.
1856         (Output_section::save_states, Output_section::restore_states): New
1857         method definitions.
1858         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
1859         (Output_data::is_data_size_fixed): New method definition.
1860         (Output_data::reset_addresss_and_file_offset): Do not reset data size
1861         if it is fixed.
1862         (Output_data::address_and_file_offset_have_reset_values): New method
1863         definition.
1864         (Output_data::do_address_and_file_offset_have_reset_values): New method
1865         definition.
1866         (Output_data::set_data_size): Check that data size is not fixed.
1867         (Output_data::fix_data_size): New method definition.
1868         (Output_data::is_data_size_fixed_): New data member.
1869         (Output_section_headers::set_final_data_size): New method definition.
1870         (Output_section_headers::do_size): New method declaration.
1871         (Output_segment_headers::set_final_data_size): New method definition.
1872         (Output_segment_headers::do_size): New method declaration.
1873         (Output_file_header::set_final_data_size)::New method definition.
1874         (Output_file_header::do_size)::New method declaration.
1875         (Output_section_data::Output_section_data): Add new parameter
1876         is_data_size_fixed and use it to fix data size.
1877         (Output_data_const::Output_data_const): Adjust call to base class
1878         constructor and fix data size.
1879         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
1880         base class constructor and fix data size.
1881         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
1882         base class constructor and fix data size.
1883         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
1884         class constructor and fix data size.
1885         (Output_data_group::set_final_data_size): New method definition.
1886         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
1887         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
1888         class constructor and fix data size.
1889         (Output_relaxed_input_section): New class definition.
1890         (Output_section::Simple_input_section): New class definition.
1891         (Output_section::get_input_sections): Adjust parameter list.
1892         (Output_section::add_input_section_for_script): Same.
1893         (Output_section::save_states, Output_section::restore_states,
1894         Output_section::do_address_and_file_offset_have_reset_values,
1895         (Output_section::Input_section::Input_section): Handle
1896         RELAXED_INPUT_SECTION_CODE.  Add new overload for
1897         Output_relaxed_input_section.
1898         (Output_section::Input_section::is_input_section,
1899         Output_section::Input_section::set_output_section): Handle relaxed
1900         input section.
1901         (Output_section::Input_section::is_relaxed_input_section,
1902         Output_section::Input_section::output_section_data,
1903         Output_section::Input_section::relaxed_input_section): New method
1904         definitions.
1905         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
1906         value.
1907         (Output_section::Input_section::u1_): Update comments.
1908         (Output_section::Input_section::u2_): Add new union member poris.
1909         (Output_section::Checkpoint_output_section): New classs definition.
1910         (Output_section::relax_input_section): New method declaration.
1911         (Output_section::checkpoint_): New data member.
1912         (Output_segment): Update comments.
1913         (Output_segment::Output_segment): Un-privatize copy constructor.
1914         (Output_segment::operator=): Un-privatize.
1915         * script-sections.cc (Output_section_element::Input_section_list):
1916         Change element type to Output_section::Simple_input_section.
1917         (Output_section_element_dot_assignment::set_section_addresses):
1918         Register output section data for relaxation clean up.
1919         (Output_data_exression::Output_data_expression): Adjust call to base
1920         constructor to fix data size.
1921         (Output_section_element_data::set_section_addresses): Register
1922         Output_data_expression object for relaxation clean up.
1923         (struct Input_section_info): Replace Relobj pointer and section index
1924         pair with Output_section::Simple_input_section and Convert struct to a
1925         class.
1926         (Input_section_sorter::operator()): Adjust access to
1927         Input_section_info data member to use accessors. 
1928         (Output_section_element_input::set_section_addresses): Use layout
1929         parameter.  Adjust code to use Output_section::Simple_input_section
1930         and Input_secction_info classes.  Register filler for relaxation
1931         clean up.
1932         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
1933         and section index pair with Output_section::Simple_input_section
1934         class.  Adjust code accordingly.
1935         (Phdrs_element::release_segment): New method definition.
1936         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
1937         segment list.
1938         (Script_sections::release_segments): New method definition.
1939         * gold/script-sections.h (Script_sections::release_segments): New
1940         method declaration.
1941         * gold/target.h (Target::may_relax, Target::relax,
1942         Target::do_may_relax, Target::do_relax): New method definitions.
1943
1944 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1945
1946         * arm.cc (has_signed_unsigned_overflow): New function.
1947         (Arm_relocate_functions::abs8): New function.
1948         (Target_arm::Scan::local): Handle R_ARM_ABS8.
1949         (Target_arm::Scan::global): Likewise.
1950         (Target_arm::relocate::relocate): Likewise.
1951         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1952         Likewise.
1953
1954 2009-09-16  Cary Coutant  <ccoutant@google.com>
1955
1956         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
1957         * testsuite/Makefile.in: Regenerate.
1958
1959 2009-09-11  Nick Clifton  <nickc@redhat.com>
1960
1961         * po/gold.pot: Updated by the Translation project.
1962
1963 2009-09-08  Cary Coutant  <ccoutant@google.com>
1964
1965         * output.cc (Output_file::open): Add execute permission to empty file.
1966         * testsuite/Makefile.am (permission_test): New test.
1967         * testsuite/Makefile.in: Regenerate.
1968
1969 2009-09-02  Ian Lance Taylor  <iant@google.com>
1970
1971         * output.cc (Output_file::resize): Call map_no_anonymous rather
1972         than map.
1973
1974 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
1975
1976         * gold.cc: Include "incremental.h".
1977         (queue_initial_tasks): Call Incremental_checker methods.
1978         * incremental.cc: Include "output.h".
1979         (Incremental_checker::can_incrementally_link_output_file): New
1980         method.
1981         * incremental.h (Incremental_checker): New class.
1982
1983         * output.cc (Output_file::open_for_modification): New method.
1984         (Output_file::map_anonymous): Changed return type to bool.  Record
1985         map in base_ field.
1986         (Output_file::map_no_anonymous): New method, broken out of map.
1987         (Output_file::map): Use map_no_anonymous and map_anonymous.
1988         * output.h (class Output_file): Update declarations.
1989
1990 2009-08-24  Cary Coutant  <ccoutant@google.com>
1991
1992         * options.h (Command_line::Pre_options): New class.
1993         (Command_line::pre_options): New member.
1994         * options.cc (gold::options::ready_to_register): New variable.
1995         (One_option::register_option): Do nothing if not registering options.
1996         Assert if same short option registered twice.
1997         (General_options::General_options): Turn off option registration when
1998         done constructing.
1999         (Command_line::Pre_options::Pre_options): New constructor.
2000
2001 2009-08-24  Cary Coutant  <ccoutant@google.com>
2002
2003         * options.h (General_options::no_keep_memory): Remove incorrect
2004         short option.
2005
2006 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2007
2008         * Makefile.am (am__skiplex, am__skipyacc): New.
2009         * Makefile.in: Regenerate.
2010
2011 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2012
2013         * Makefile.am (AM_CPPFLAGS): Renamed from ...
2014         (INCLUDES): ... this.
2015         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
2016         (AM_CPPFLAGS): Renamed from ...
2017         (INCLUDE): ... this.
2018         * Makefile.in, testsuite/Makefile.in: Regenerate.
2019
2020         * Makefile.in: Regenerate.
2021         * aclocal.m4: Likewise.
2022         * config.in: Likewise.
2023         * configure: Likewise.
2024         * testsuite/Makefile.in: Likewise.
2025
2026         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
2027         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
2028         * Makefile.in: Regenerate.
2029         * testsuite/Makefile.in: Regenerate.
2030
2031 2009-08-19  Cary Coutant  <ccoutant@google.com>
2032
2033         * resolve.cc (Symbol_table::resolve): Don't complain about defined
2034         symbols in shared libraries overridden by hidden or internal symbols
2035         in the main program.
2036
2037 2009-08-19  Chris Demetriou  <cgd@google.com>
2038
2039         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
2040         checking source file names in error messages.
2041
2042 2009-08-18  Doug Kwan  <dougkwan@google.com>
2043
2044         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
2045         an elcpp::Ehdr as parameter.  Adjust call to set_target.
2046         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
2047         an elfcpp::Ehdr as parameter.
2048         * object.cc (Object::set_target): Remove the version that looks up
2049         a target and sets it.
2050         (Sized_relobj::setup): Take a Target object instead of
2051         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
2052         (make_elf_sized_object): Find target and ask target to
2053         make an ELF object.
2054         * object.h: (Object::set_target): Remove the version that looks up
2055         a target and sets it.
2056         (Sized_relobj::setup): Take a Target object instead of
2057         an elfcpp:Ehdr as parameter.
2058         * target.cc: Include dynobj.h.
2059         (Target::do_make_elf_object_implementation): New.
2060         (Target::do_make_elf_object): New.
2061         * target.h (Target::make_elf_object): New template declaration.
2062         (Target::do_make_elf_object): New method declarations.
2063         (Target::do_make_elf_object_implementation): New template declaration.
2064
2065 2009-08-14  Ian Lance Taylor  <iant@google.com>
2066
2067         * gold.h (FUNCTION_NAME): Define.
2068         (gold_unreachable): Use FUNCTION_NAME.
2069
2070 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
2071
2072         * icf.cc (Icf::find_identical_sections): Issue a warning when a
2073         symbol in the --keep-unique list is not found.
2074
2075 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
2076
2077         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
2078         been maked as --keep-unique.
2079         (Icf::unfold_section): New function.
2080         * icf.h (Icf::unfold_section): New function.
2081         * options.h (General_options::keep_unique): New option.
2082         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
2083         * testsuite/Makefile.in: Regenerate.
2084         * testsuite/icf_keep_unique_test.sh: New file.
2085         * testsuite/icf_keep_unique_test.cc: New file.
2086
2087 2009-08-12  Cary Coutant  <ccoutant@google.com>
2088
2089         PR 10471
2090         * resolve.cc (Symbol_table::resolve): Check for references from
2091         dynamic objects to hidden and internal symbols.
2092         * testsuite/Makefile.am (hidden_test.sh): New test.
2093         * testsuite/Makefile.in: Regenerate.
2094         * testsuite/hidden_test.sh: New script.
2095         * testsuite/hidden_test_1.c: New test source.
2096         * testsuite/hidden_test_main.c: New test source.
2097
2098 2009-08-11  Doug Kwan  <dougkwan@google.com>
2099
2100         * arm.cc: Update comments.
2101         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
2102         segment to locate the .ARM.exidx section if present.
2103
2104 2009-08-09  Doug Kwan  <dougkwan@google.com>
2105
2106         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
2107         patch.
2108
2109 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
2110         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
2111         compiler warnings.
2112
2113 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
2114
2115         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
2116         valid tls_segment only for non-debug-section relocations.
2117         * testsuite/Makefile.am: Add gc_tls_test.
2118         * testsuite/Makefile.in: Regenerate.
2119         * testsuite/gc_tls_test.cc: New file.
2120         * testsuite/gc_tls_test.sh: New file.
2121
2122 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
2123         
2124         * icf.cc: New file.
2125         * icf.h: New file.
2126         * Makefile.am (CCFILES): Add icf.cc.
2127         (HFILES): Add icf.h
2128         * Makefile.in: Regenerate.
2129         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
2130         * gc.h (gc_process_relocs): Populate lists used by icf to contain
2131         section, symbol and addend information for the relocs.
2132         * gold.cc (queue_middle_tasks): Call identical code folding.
2133         * gold.h: Add defines for multimap.
2134         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
2135         to the call of finalize_local_symbols.
2136         * main.cc (main): Create object of class Icf.
2137         * object.cc (Sized_relobj::do_layout): Allow this function to be
2138         called twice during icf.
2139         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
2140         to sections marked as identical by icf.
2141         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
2142         when available.
2143         (Sized_relobj::do_section_entsize): New function.
2144         * object.h (Object::section_entsize): New function.
2145         (Object::do_section_entsize): New pure virtual function.
2146         (Relobj::finalize_local_symbols): Add new parameter.
2147         (Relobj::do_section_entsize): New function.
2148         * options.h (General_options::icf): New option.
2149         (General_options::icf_iterations): New option.
2150         (General_options::print_icf_sections): New option.
2151         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
2152         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
2153         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
2154         icf.
2155         * symtab.cc (Symbol_table::is_section_folded): New function.
2156         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
2157         to sections marked as identical by icf.
2158         * symtab.h (Symbol_table::set_icf): New function.
2159         (Symbol_table::icf): New function.
2160         (Symbol_table::is_section_folded): New function.
2161         (Symbol_table::icf_): New data member.
2162         * target-reloc.h (relocate_section): Ignore sections folded by icf.
2163         * testsuite/Makefile.am: Add commands to build icf_test.
2164         * testsuite/Makefile.in: Regenerate.
2165         * testsuite/icf_test.sh: New file.
2166         * testsuite/icf_test.cc: New file.
2167
2168 2009-07-24  Chris Demetriou  <cgd@google.com>
2169
2170         * layout.cc (is_compressible_debug_section): Fix incorrect
2171         comment about compressed section names.
2172
2173 2009-07-20  Ian Lance Taylor  <ian@airs.com>
2174
2175         PR 10419
2176         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
2177
2178 2009-07-16  Ian Lance Taylor  <iant@google.com>
2179
2180         PR 10400
2181         * layout.h: #include <map>.
2182         (class Kept_section): Change from struct to class.  Add accessors
2183         and setters.  Add section size to Comdat_group mapping.  Change
2184         Comdat_group to std::map.  Add is_comdat_ field.  Add
2185         linkonce_size field in union.
2186         (class Layout): Update declaration of find_or_add_kept_section.
2187         Don't declare find_kept_object.
2188         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
2189         parameter.  Add object, shndx, is_comdat, and is_group_name
2190         parameters.  Change all callers.  Adjust for new Kept_section.
2191         (Layout::find_kept_object): Remove.
2192         * object.cc (Sized_relobj::include_section_group): Update use of
2193         Kept_section.  Rename secnum to shndx.  Only record
2194         Kept_comdat_section if sections are the same size.
2195         (Sized_relobj::include_linkonce_section): Update use of
2196         Kept_section.  Only record Kept_comdat_section if sections are the
2197         same size.  Set size of linkonce section.
2198         (Sized_relobj::map_to_kept_section): Update call to
2199         get_kept_comdat_section.
2200         * object.h (class Sized_relobj): Rename fields in
2201         Kept_comdat_section to drop trailing underscores; change object
2202         field to Relobj*.  Change Kept_comdat_section_table to store
2203         struct rather than pointer.
2204         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
2205         Add kept_object and kept_shndx parameters.  Change all callers.
2206         (Sized_relobj::get_kept_comdat_section): Change return type to
2207         bool.  Add kept_object and kept_shndx parameters.  Change all
2208         callers.
2209         * plugin.cc (Pluginobj::include_comdat_group): Update call to
2210         Layout::find_or_add_kept_section.
2211
2212 2009-07-09  Ian Lance Taylor  <iant@google.com>
2213
2214         * merge.cc (Object_merge_map::initialize_input_to_output_map):
2215         Reserve space in the hash table.
2216
2217 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
2218
2219         * fileread.cc (File_read::get_mtime): New method.
2220         * fileread.h (Timespec): New structure.
2221         (File_read::get_mtime): New method.
2222         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
2223         Renamed from timestamp_nsec.
2224         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
2225         Elf_Xword.
2226         (Incremental_inputs_entry_write::timestamp_usec): Renamed from 
2227         timestamp_nsec.
2228         (Incremental_inputs::report_archive): Save mtime; style fix. 
2229         (Incremental_inputs::report_obejct): Save mtime; style fix.
2230         (Incremental_inputs::report_script): Save mtime; style fix.
2231         (Incremental_inputs::finalize_inputs): Style fix.
2232         (Incremental_inputs::finalize): Style fix.
2233         (Incremental_inputs::create_input_section_data): Store inputs
2234         mtime.
2235         * incremental.h (Incremental_inputs::report_script): Add mtime
2236         argument.
2237         (Incremental_inputs::Input_info::Input_info): Intialize only one
2238         union member.
2239         (Incremental_inputs::Input_info::archive): Move to nameless
2240         union.
2241         (Incremental_inputs::Input_info::obejct): Move to nameless union.
2242         (Incremental_inputs::Input_info::script): Move to nameless union.
2243         (Incremental_inputs::mtime): New field.
2244         * script.cc (read_input_script): Pass file mtime to
2245         Incremental_input.
2246         * script.h (Script_info::inputs): Style fix.
2247
2248 2009-07-01  Ian Lance Taylor  <ian@airs.com>
2249
2250         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
2251         instead of 32.
2252
2253 2009-06-24  Ian Lance Taylor  <iant@google.com>
2254
2255         PR 10156
2256         * layout.cc (Layout::choose_output_section): If we find an
2257         existing section, update the flags.
2258         (Layout::create_notes): New function, broken out of
2259         Layout::finalize.
2260         (Layout::finalize): Don't create note sections.
2261         (Layout::create_note): Don't crash if linker script discards
2262         section.
2263         (Layout::create_gold_note): Likewise.
2264         (Layout::create_build_id): Likewise.  Don't set
2265         after_input_sections on the section.
2266         (Layout::create_executable_stack_info): Remove target parameter.
2267         Change caller.
2268         * layout.h (class Layout): Declare create_notes.  Update
2269         declaration of create_executable_stack_info.
2270         * gold.cc (queue_middle_tasks): Call create_notes.
2271         * output.cc (Output_section::update_flags_for_input_section): Move
2272         here from output.h.  If SHF_ALLOC flag is newly set, mark address
2273         invalid.
2274         * output.h (Output_data::mark_address_invalid): New function.
2275         (class Output_section): Only declare, not define,
2276         update_flags_for_input_section.  Remove set_flags.
2277
2278 2009-06-24  Ian Lance Taylor  <iant@google.com>
2279
2280         * script-sections.cc (Output_section_definition::
2281         set_section_addresses): Rename shadowing local load_address to
2282         laddr.
2283
2284 2009-06-24  Ian Lance Taylor  <iant@google.com>
2285
2286         PR 10244
2287         * reloc.cc (relocate_sections): Skip empty relocation sections.
2288
2289 2009-06-23  Ian Lance Taylor  <iant@google.com>
2290
2291         PR 10156
2292         * layout.cc (Layout::create_note): Use choose_output_section
2293         rather than make_output_section.
2294
2295 2009-06-23  Ian Lance Taylor  <iant@google.com>
2296
2297         PR 10237
2298         * options.cc (General_options::parse_V): Set printed_version_.
2299         (General_options::General_options): Initialize printed_version_.
2300         * options.h (class General_options): Add printed_version_ field.
2301         * gold.cc (queue_initial_tasks): If there are no input files,
2302         don't give a fatal error if we printed the version information.
2303         (queue_middle_tasks): If using -r with a shared object, give a
2304         fatal error rather than an ordinary error.
2305
2306 2009-06-23  Ian Lance Taylor  <iant@google.com>
2307
2308         PR 10219
2309         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
2310         (Layout::make_output_section): Set have_stabstr_section_ if we see
2311         a .stab*str section.
2312         (Layout::finalize): Call link_stabs_sections.
2313         (Layout::link_stabs_sections): New file.
2314         * layout.h (class Layout): Add have_stabstr_section_ field.
2315         Declare link_stabs_sections.
2316
2317 2009-06-23  Doug Kwan  <dougkwan@google.com>
2318
2319         * Makefile.am (libgold_a_LIBADD): New.
2320         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
2321         * Makefile.in: Regenerate.
2322         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
2323         * configure: Regenerate.
2324         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
2325         * fileread.cc: Include sys/state.h
2326         * gold.h: Declare memmem and strndup if found missing.
2327         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
2328
2329 2009-06-23  Ian Lance Taylor  <iant@google.com>
2330
2331         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
2332         * configure: Rebuild.
2333
2334 2009-06-23  Ian Lance Taylor  <iant@google.com>
2335
2336         PR 10147
2337         * object.cc (Object::section_contents): Don't try to get a view if
2338         the section has length zero.
2339         (Object::handle_gnu_warning_section): If the section is empty, use
2340         the name of the section as the warning.
2341
2342 2009-06-23  Ian Lance Taylor  <iant@google.com>
2343
2344         PR 10133
2345         * stringpool.h (class Stringpool_template): Add optimize_ field.
2346         (Stringpool_template::set_optimize): New function.
2347         * stringpool.cc (Stringpool_template::Stringpool_template):
2348         Initialize optimize_ field.
2349         (Stringpool_template::set_string_offsets): Test local optimize
2350         fild rather than parameter.
2351         * layout.cc (Layout::Layout): Call set_optimize on the section
2352         name stringpool.
2353
2354 2009-06-22  Ian Lance Taylor  <iant@google.com>
2355
2356         PR 10030
2357         * yyscript.y: Parse TARGET.
2358         * script.cc (script_set_target): New function.
2359         * script-c.h (script_set_target): Declare.
2360         * options.cc (General_options::string_to_object_format): Rename
2361         from string_to_object_format in anonymous namespace.  Change
2362         callers.
2363         * options.h (class General_options): Declare
2364         string_to_object_format.
2365
2366 2009-06-22  Ian Lance Taylor  <iant@google.com>
2367
2368         * script-sections.cc (Script_sections::create_segments): Don't put
2369         program headers in a PT_LOAD segment if -n or -N.
2370
2371 2009-06-22  Ian Lance Taylor  <iant@google.com>
2372
2373         PR 10141
2374         * options.h (class General_options): Add -z lazy and -z now.  Sort
2375         -z options into alphabetical order.
2376         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
2377
2378 2009-06-21  Ian Lance Taylor  <iant@google.com>
2379
2380         * layout.cc (Layout::make_output_section): Call
2381         Target::new_output_section.
2382         (Layout::attach_allocated_section_to_segment): Put large section
2383         sections in a separate load segment with the large segment flag
2384         set.
2385         (Layout::segment_precedes): Sort large data segments after other
2386         load segments.
2387         (align_file_offset): New static function.
2388         (Layout::set_segment_offsets): Use align_file_offset.
2389         * output.h (class Output_section): Add is_small_section_ and
2390         is_large_section_ fields.
2391         (Output_section::is_small_section): New function.
2392         (Output_section::set_is_small_section):  New function.
2393         (Output_section::is_large_section): New function.
2394         (Output_section::set_is_large_section): New function.
2395         (Output_section::is_large_data_section): New function.
2396         (class Output_segment): Add is_large_data_segment_ field.
2397         (Output_segment::is_large_data_segment): New function.
2398         (Output_segment::set_is_large_data_segment): New function.
2399         * output.cc (Output_section::Output_section): Initialize new
2400         fields.
2401         (Output_segment::Output_segment): Likewise.
2402         (Output_segment::add_output_section): Add assertion that large
2403         data sections always go in large data segments.  Force small data
2404         sections to the end of the list of data sections.  Force small BSS
2405         sections to the start of the list of BSS sections.  For large BSS
2406         sections to the end of the list of BSS sections.
2407         * symtab.h (class Symbol): Declare is_common_shndx.
2408         (Symbol::is_defined): Check Symbol::is_common_shndx.
2409         (Symbol::is_common): Likewise.
2410         (class Symbol_table): Define enum Commons_section_type.  Update
2411         declarations.  Add small_commons_ and large_commons_ fields.
2412         * symtab.cc (Symbol::is_common_shndx): New function.
2413         (Symbol_table::Symbol_table): Initialize new fields.
2414         (Symbol_table::add_from_object): Put small and large common
2415         symbols in the right list.
2416         (Symbol_table::sized_finalized_symbol): Check
2417         Symbol::is_common_shndx.
2418         (Symbol_table::sized_write_globals): Likewise.
2419         * common.cc (Symbol_table::do_allocate_commons): Allocate new
2420         common symbol lists.  Don't call do_allocate_commons_list if the
2421         list is empty.
2422         (Symbol_table::do_allocate_commons_list): Remove is_tls
2423         parameter.  Add comons_section_type parameter.  Change all
2424         callers.  Handle small and large common symbols.
2425         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
2426         Symbol::is_common_shndx.
2427         * resolve.cc (symbol_to_bits): Likewise.
2428         * target.h (Target::small_common_shndx): New function.
2429         (Target::small_common_section_flags): New function.
2430         (Target::large_common_shndx): New function.
2431         (Target::large_common_section_flags): New function.
2432         (Target::new_output_section): New function.
2433         (Target::Target_info): Add small_common_shndx, large_common_shndx,
2434         small_common_section_flags, and large_common_section_flags
2435         fields.
2436         (Target::do_new_output_section): New virtual function.
2437         * arm.cc (Target_arm::arm_info): Initialize new fields.
2438         * i386.cc (Target_i386::i386_info): Likewise.
2439         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
2440         Likewise.
2441         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
2442         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
2443         (Target_x86_64::do_new_output_section): New function.
2444         * configure.ac: Define conditional MCMODEL_MEDIUM.
2445         * testsuite/Makefile.am (check_PROGRAMS): Add large.
2446         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
2447         (large_LDFLAGS): Define.
2448         * testsuite/large.c: New file.
2449         * testsuite/testfile.cc (Target_test::test_target_info):
2450         Initialize new fields.
2451         * configure, testsuite/Makefile.in: Rebuild.
2452
2453 2009-06-05  Doug Kwan  <dougkwan@google.com>
2454
2455         * Makefile.am (CCFILES): Add target.cc.
2456         * Makefile.in: Regenerate. 
2457         * i386.cc (class Target_i386): Define new virtual method to
2458         override do_is_local_label_name in parent.
2459         * object.cc (Sized_relobj::do_count_local_symbols): Discard
2460         local symbols if --discard-locals or -X is given.
2461         * options.h (class General_options): Declare new options
2462         '--discard-locals' and '-X' for discarding locals.
2463         * target.h (class Target): Define new methods is_local_label_name.
2464         Declare new virtual method do_is_local_label_name.
2465         * target.cc: New file.
2466         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
2467         (check_SCRIPTS): Add discard_locals_test.sh.
2468         (check_DATA): Add discard_local_tests.syms.
2469         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
2470         (discard_local_tests.syms, discard_locals_test.o): New make rules.
2471         * testsuite/Makefile.in: Regenerate.
2472         * testsuite/discard_locals_test.c: New file.
2473         * testsuite/discard_locals_test.sh: Same.
2474
2475 2009-06-05  Doug Kwan  <dougkwan@google.com>
2476
2477         * object.cc (Sized_relobj::Sized_relobj): Initialize
2478         discarded_eh_frame_shndx_ to -1U.
2479         (Sized_relobj::do_layout): Record index of a discard .eh_frame
2480         section.
2481         (Sized_relobj::do_count_local_symbols): Skip local symbols in
2482         a discarded .eh_frame section.
2483         (Sized_relobj::do_finalize_local_symbols): Ditto.
2484         * object.h (class Sized_relobj): Declare new member
2485         discarded_eh_frame_shndx_.
2486         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
2487         (local_labels_test.o, local_labels_test): New rules.
2488         * testsuite/Makefile.in: Regenerate.
2489
2490 2009-06-04  Doug Kwan  <dougkwan@google.com>
2491
2492         * layout.cc (Layout::section_name_mapping): Add mapping for
2493         special ARM sections.
2494
2495 2009-06-03  Doug Kwan  <dougkwan@google.com>
2496
2497         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
2498         (utils::has_overflow): Same.
2499
2500 2009-06-03  Ian Lance Taylor  <iant@google.com>
2501
2502         * layout.cc (Layout::section_name_mapping): New array, replacing
2503         Layout::linkonce_mapping.
2504         (Layout::section_name_mapping_count): New variable, replacing
2505         Layout::linkonce_mapping_count.
2506         (Layout::linkonce_output_name): Remove.
2507         (Layout::output_section_name): Rewrite.
2508         * layout.h (class Layout): Rename Linkonce_mapping to
2509         Section_name_mapping, linkonce_mapping to section_name_mapping,
2510         linkonce_mapping_count to section_name_mapping_count.  Don't
2511         declare linkonce_output_name.
2512
2513 2009-06-03  Doug Kwan  <dougkwan@google.com>
2514
2515         * gold/arm.cc (namespace utils): New.
2516         (Target_arm::reloc_is_non_pic): Define new method.
2517         (class Arm_relocate_functions): New.
2518         (Target_arm::Relocate::relocate): Handle relocation types used by
2519         Android.
2520
2521 2009-06-03  Ian Lance Taylor  <iant@google.com>
2522
2523         * arm.cc (Target_arm::scan::global): Use || instead of |.
2524
2525 2009-06-02  Doug Kwan  <dougkwan@google.com>
2526
2527         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
2528         issued_non_pic_error_.
2529         (class Target_arm::Scan): Declare new method check_non_pic.
2530         Define new method symbol_needs_plt_entry.
2531         Declare new data member issued_non_pic_error_.
2532         (class Target_arm::Relocate): Declare new method
2533         should_apply_static_reloc.
2534         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
2535         (Target_arm::Scan::check_non_pic): Define new method.
2536         (Target_arm::Scan::local): Handle a small subset of reloc types used
2537         by Android.
2538         (Target_arm::Scan::local): Same.
2539         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
2540
2541 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
2542
2543         * incremental.cc (Incremental_inputs::report_command_line): Filter
2544         out --incremental-* options.
2545
2546 2009-05-29  Doug Kwan  <dougkwan@google.com>
2547
2548         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
2549         template class.
2550         (class Target_arm): Update comment.
2551         (Target_arm::Target_arm): Initialize new data members GOT_,
2552         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
2553         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
2554         and Target_arm::rel_dyn_section.
2555         Declare new_enum Target_arm::Got_type.
2556         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
2557         and DYNBSS_.
2558         Update commments for member do_dynsym_value.
2559         (Target_arm::got_size, Target_arm::plt_section,
2560         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
2561         new methods inside class defintion.
2562         (Target_arm::got_section): Define new method.
2563         (Target_arm::rel_dyn_section): Same.
2564         (Output_data_plt_arm): New template class.
2565         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
2566         (Output_data_plt_arm:do_adjust_output_section): Define new method.
2567         (Output_data_plt_arm::add_entry): Same.
2568         (Output_data_plt_arm::first_plt_entry): Define new
2569         static data member for PLT instruction template.
2570         (Output_data_plt_arm::plt_entry): Same.
2571         (Output_data_plt_arm::do_write): Define new method.
2572         (Target_arm::make_plt_entry): Same.
2573         (Target_arm::do_finalize_sections): Same.
2574         (Target_arm::do_dynsym_value): Same.
2575
2576 2009-05-28  Doug Kwan  <dougkwan@google.com>
2577
2578         * Makefile.am (TARGETSOURCES): Add arm.cc.
2579         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
2580         * Makefile.in: Regenerate.
2581         * arm.cc: New file.
2582         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
2583
2584 2009-05-26  Doug Kwan  <dougkwan@google.com>
2585
2586         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
2587         (General_options::check_excluded_libs): Strip off directories in
2588         archive name before matching like GNU ld does.
2589         * testsuite/Makefile.am (MOSTLYCLEANFILES,
2590         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
2591         (exclude_libs_test_LDFLAGS): Add linker option
2592         -Wl,--exclude-libs,libexclude_libs_test_3
2593         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
2594         an explicit archive without using -l.
2595         (alt/libexclude_libs_test_3.a): New make rule.
2596         * testsuite/Makefile.in: Regenerate.
2597         * testsuite/exclude_libs_test.c : Declare lib3_default().
2598         (main): Call it.
2599         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
2600         * exclude_libs_test_3.c: New file.
2601
2602 2009-05-26  Nick Clifton  <nickc@redhat.com>
2603
2604         * po/id.po: New Indonesian translation.
2605         * po/gold.pot: Updated template file.
2606
2607 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
2608
2609         * testsuite/Makefile.am: Add -ffunction-sections to compile 
2610         gc_comdat_test files.  Add -Wl,--gc-sections to build
2611         gc_comdat_test.
2612         * testsuite/Makefile.in: Regenerate.
2613         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
2614
2615 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
2616
2617         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
2618         kept comdat section was garbage collected.
2619         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
2620         * testsuite/Makefile.in: Regenerate.
2621         * testsuite/gc_comdat_test.sh: New file.
2622         * testsuite/gc_comdat_test_1.cc: New file.
2623         * testsuite/gc_comdat_test_2.cc: New file.
2624
2625 2009-05-19  Doug Kwan  <dougkwan@google.com>
2626
2627         * archive.cc (Archive::Archive): Move constructor from archive.h
2628         to here.  Initialize no_export_.
2629         (Archive::get_elf_object_for_member): Set no_export flag of object.
2630         * archive.h (Archive::Archive): Move constructor body to
2631         archive.cc.
2632         (Archive::no_export): New method.
2633         (Archive::no_export_): New field.
2634         * object.h (Object::Object): Initialize no_export_ to false.
2635         (Object::no_export, Object::set_no_export): New methods.
2636         (Object::no_export_): New field.
2637         * options.cc (General_options::parse_exclude_libs): New method.
2638         (General_options::check_excluded_libs) Same.
2639         * options.h (exclude_libs): New option.
2640         (General_options::check_excluded_libs): New method declaration.
2641         (General_options::excluded_libs_): New field.
2642         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
2643         default or protected visibility if an object has no-export flag set.
2644         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
2645         (check_SCRIPTS): Add exclude_libs_test.sh.
2646         (check_DATA): Add exclude_libs_test.syms.
2647         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
2648         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
2649         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
2650         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
2651         (exclude_libs_test.syms, libexclude_libs_test_1.a,
2652         libexclude_libs_test_2.a): New rules.
2653         * testsuite/Makefile.in: Regenerate.
2654         * testsuite/exclude_libs_test.c: New file.
2655         * testsuite/exclude_libs_test.sh: Ditto.
2656         * testsuite/exclude_libs_test_1.c: Ditto.
2657         * testsuite/exclude_libs_test_2.c: Ditto.
2658
2659 2009-05-15  Ian Lance Taylor  <iant@google.com>
2660
2661         * configure.ac: Check for declarations for cases where libiberty.h
2662         checks HAVE_DECL_xxx.
2663         * configure, config.in: Rebuild.
2664
2665 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
2666
2667         * gold.h (Incremental_argument_list): Remove (invalid) forward
2668         declaration.
2669         * incremental.cc (Incremental_inputs::report_achive): New method.
2670         (Incremental_inputs::report_object): New method.
2671         (Incremental_inputs::report_script): New method.
2672         (Incremental_inputs::finalize_inputs): New method.
2673         (Incremental_inputs::finalize): Call finalize_inputs().
2674         (Incremental_inputs::sized_create_incremental_inputs_section_data):
2675         Create inputs entries.
2676         * incremental.h (Incremental_input_type): New enum.
2677         (Incremental_inputs::Incremental_input): Initialize new fields.
2678         (Incremental_inputs::report_inputs): New method.
2679         (Incremental_inputs::report_achive): New method.
2680         (Incremental_inputs::report_object): New method.
2681         (Incremental_inputs::report_script): New method.
2682         (Incremental_inputs::finalize_inputs): New method.
2683         (Incremental_inputs::Input_info): New struct.
2684         (Incremental_inputs::Input_info_map): New typedef.
2685         (Incremental_inputs::lock_): New field.
2686         (Incremental_inputs::Inputs_): New field.
2687         (Incremental_inputs::Inputs_map): New field.
2688         * main.cc (main): Call Incremental_input::report_inputs.
2689         * options.h (Input_argument_list): Typedef moved from
2690         Input_arguments.
2691         (Input_file_group::Files): Remove, use ::Input_argument_list.
2692         (Input_file_group::Input_argument_list): Remove, use
2693         ::Input_argument_list.
2694         * plugin.cc (Plugin_manager::add_input_file): Add error in
2695         incremental build.
2696         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
2697         functions.
2698         * script.cc (read_input_script): Call
2699         Incremental_input::report_script.
2700         * script.h (Script_info): New class.
2701
2702 2009-04-27  Ian Lance Taylor  <iant@google.com>
2703
2704         * x86_64.cc (do_adjust_output_section): Set entsize to
2705         plt_entry_size.
2706
2707 2009-04-23  Elliott Hughes  <enh@google.com>
2708
2709         * output.cc (Output_file::close): After short writes, continue
2710         writing from the correct offset in the buffer being written.
2711
2712 2009-04-23  Chris Demetriou  <cgd@google.com>
2713
2714         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
2715         * configure: Regenerate.
2716         * config.in: Regenerate.
2717         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
2718         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
2719
2720 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
2721
2722         * incremental.cc (Incremental_inputs_header_data): Renamed from
2723         Incremental_input_header_data.
2724         (Incremental_inputs_header_data::data_size): New field.
2725         (Incremental_inputs_header_data::put_input_file_count): Renamed
2726         from input_file_count.
2727         (Incremental_inputs_header_data::put_command_line_offset): Renamed
2728         from command_line_offset.
2729         (Incremental_inputs_header_data::put_reserved): Renamed from
2730         put_reserved.
2731         (Incremental_inputs_entry_data): Renamed from
2732         Incremental_input_entry_data.
2733         (Incremental_inputs_entry_data::data_size): New field.
2734         (Incremental_inputs::report_command_line): New method.
2735         (Incremental_inputs::finalize): New method.
2736         (Incremental_inputs::create_incremental_inputs_data): New method.
2737         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
2738         * incremental.h: New file.
2739         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
2740        (Layout::finalize): Create incremental inputs section in
2741         incremental builds.
2742        (Layout::create_incremental_info_sections): New method.
2743         * layout.h (Layout::incremental_inputs): New method.
2744        (Layout::create_incremental_info_sections): New method.
2745        (Layout::incremental_inputs_): New field.
2746         * main.cc (main): Notify Incremental_input of the command line.
2747
2748 2009-04-01  Ian Lance Taylor  <iant@google.com>
2749             Mikolaj Zalewski  <mikolajz@google.com>
2750
2751         * gold.h (reserve_unordered_map): Define, three versions, one for
2752         each version of Unordered_map.
2753         * layout.cc (Layout::Layout): Remove options parameter.  Add
2754         number_of_input_files parameter.  Don't initialize options_.
2755         Initialize number_of_input_files_ and resized_signatures_.  Move
2756         sections_are_attached_.
2757         (Layout::layout_group): Reserve space for group_signatures_.
2758         (Layout::find_or_add_kept_section): Change name parameter to be a
2759         reference.  Resize signatures_ map when it gets large enough.
2760         (Layout::layout_eh_frame): Use parameters->options() instead of
2761         this->options_.
2762         (Layout::make_output_section): Likewise.
2763         (Layout::attach_allocated_section_to_segment): Likewise.
2764         (Layout::finalize, Layout::create_executable_stack): Likewise.
2765         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
2766         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
2767         * layout.h (class Layout): Update declarations.  Remove options_
2768         field.  Add number_of_input_files_ and resized_signatures_
2769         fields.  Move sections_are_attached_ field.
2770         * main.cc (main): Pass number of input files to Layout
2771         constructor.  Don't pass options.
2772
2773 2009-03-30  Ian Lance Taylor  <iant@google.com>
2774
2775         * ffsll.c (ffsll): Correct implementation.
2776
2777 2009-03-27  Ian Lance Taylor  <iant@google.com>
2778
2779         * ffsll.c: New file.
2780         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
2781         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
2782         * ftruncate.c (ftruncate): Declare before definition.
2783         * mremap.c (mremap): Likewise.
2784         * pread.c (pread): Likewise.
2785         * configure, Makefile.in, config.in: Rebuild.
2786
2787         * mremap.c: New file.
2788         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
2789         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
2790         (mremap): Declare if HAVE_MREMAP is not defined.
2791         * configure, Makefile.in, config.in: Rebuild.
2792
2793 2009-03-27  Cary Coutant  <ccoutant@google.com>
2794
2795         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
2796         position independent.
2797         * sparc.cc (Target_sparc::check_non_pic): Likewise.
2798         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
2799
2800 2009-03-24  Cary Coutant  <ccoutant@google.com>
2801
2802         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
2803         an executable.
2804         (needs_dynamic_reloc): Likewise.
2805
2806 2009-03-24  Ian Lance Taylor  <iant@google.com>
2807
2808         * yyscript.y (file_cmd): Recognize EXTERN.
2809         (extern_name_list, extern_name_list_body): New nonterminals.
2810         * script.cc (script_add_extern): Define.
2811         * script-c.h (script_add_extern): Declare.
2812
2813 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
2814
2815         * object.cc (is_elf_object): Define.
2816         * object.h (is_elf_object): Declare.
2817         * archive.cc (Archive::get_elf_object_for_member): Call
2818         is_elf_object.
2819         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
2820
2821 2009-03-24  Elliott Hughes  <enh@google.com>
2822
2823         * output.cc (Output_file::map_anonymous): Define.
2824         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
2825         try an anonymous one.  Report the size if the mmap fails.
2826         * output.h (class Output_file): Declare map_anonymous.
2827
2828 2009-03-24  Ian Lance Taylor  <iant@google.com>
2829
2830         * target-select.cc (instantiate_target): Don't acquire the lock if
2831         the instantiated_target_ field has already been set.
2832
2833 2009-03-23  Ian Lance Taylor  <iant@google.com>
2834
2835         * gold-threads.h (class Initialize_lock): Define.
2836         * gold-threads.cc (class Initialize_lock_once): Define.
2837         (initialize_lock_control): New static variable.
2838         (initialize_lock_pointer): New static variable.
2839         (initialize_lock_once): New static function.
2840         (Initialize_lock::Initialize_lock): Define.
2841         (Initialize_lock::initialize): Define.
2842         * target-select.h: Include "gold-threads.h".
2843         (class Target_selector): Add lock_ and initialize_lock_ fields.
2844         Don't define instantiate_target, just declare it.
2845         * target-select.cc (Target_selector::Target_selector): Initialize
2846         new fields.
2847         (Target_selector::instantiate_target): Define.
2848         * descriptors.h: Include "gold-threads.h".
2849         (class Descriptors): Add initialize_lock_ field.
2850         * descriptors.cc (Descriptors::Descriptors): Initialize new
2851         field.
2852         (Descriptors::open): Use initialize_lock_ field
2853         * errors.h (class Errors): Add initialize_lock_ field.
2854         * errors.cc (Errors::Errors): Initialize new field.
2855         (Errors::initialize_lock): Use initialize_lock_ field.
2856         * powerpc.cc (class Target_selector_powerpc): Remove
2857         instantiated_target_ field.  In do_recognize call
2858         instantiate_target rather than do_instantiate_target.  In
2859         do_instantiate_target just allocate a new target.
2860         * sparc.cc (class Target_selector_sparc): Likewise.
2861
2862         * freebsd.h: New file.
2863         * i386.cc: Include "freebsd.h".
2864         (Target_i386): Derive from Target_freebsd rather than
2865         Sized_target.
2866         (Target_selector_i386): Derive from Target_selector_freebsd rather
2867         than Target_selector.
2868         * x86_64.cc: Include "freebsd.h".
2869         (Target_x86_64): Derive from Target_freebsd rather than
2870         Sized_target.
2871         (Target_selector_x86_64): Derive from Target_selector_freebsd
2872         rather than Target_selector.
2873         * target.h (class Target): Add adjust_elf_header and
2874         do_adjust_elf_header.
2875         * output.cc (Output_file_header:: do_sized_write): Call target
2876         adjust_elf_header routine.
2877         * configure.tgt: Set targ_osabi.
2878         * configure.ac: Define GOLD_DEFAULT_OSABI.
2879         * parameters.cc (Parameters::default_target): Pass
2880         GOLD_DEFAULT_OSABI to select_target.
2881         * target-select.h (class Target_selector): Make instantiate_target
2882         protected rather than private.
2883         * Makefile.am (HFILES): Add freebsd.h.
2884         * configure, Makefile.in, config.in: Rebuild.
2885
2886         * merge.cc (do_add_input_section): Correct pend value.  Change
2887         message about last entry not being null terminated from error to
2888         warning.
2889
2890 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
2891
2892         * incremental.cc: New file.
2893         * Makefile.am (CCFILES): Add incremental.cc.
2894         * Makefile.in: Rebuild.
2895
2896 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
2897
2898         * layout.cc (Layout::output_section_name): Preserve names
2899         of '.note.' sections.
2900         
2901 2009-03-19  Ian Lance Taylor  <iant@google.com>
2902
2903         * descriptors.cc (Descriptors::open): Check that the options are
2904         valid before using them.
2905
2906 2009-03-18  Ian Lance Taylor  <iant@google.com>
2907
2908         * script-sections.h: Include <list>.
2909         (class Script_sections): Change Sections_elements from std::vector
2910         to std::list.  Typedef public Elements_iterator.  Add
2911         orphan_section_placement_, data_segment_align_start_, and
2912         saw_data_segment_align_ fields.  Remove data_segment_align_index_
2913         field.
2914         * script-sections.cc (class Orphan_section_placement): New class.
2915         (class Sections_element): Add virtual functions is_relro and
2916         orphan_section_init.  Remove virtual function place_orphan_here.
2917         (class Output_section_definition): Add is_relro and
2918         orphan_section_init.  Remove place_orphan_here.
2919         (class Orphan_output_section): Likewise.
2920         (Script_sections::Script_sections): Update for field changes.
2921         (Script_sections::data_segment_align): Set saw_data_segment_align_
2922         and data_segment_align_start_, not data_segment_align_index.
2923         (Script_sections::data_segment_relro_end): Check
2924         saw_data_segment_align_.  Use data_segment_align_start_ rather
2925         than data_segment_align_index_.
2926         (Script_sections::place_orphan): Rewrite to use
2927         Orphan_section_placement.
2928
2929 2009-03-17  Ian Lance Taylor  <iant@google.com>
2930
2931         * archive.cc (Archive::add_symbols): Check for a version attached
2932         to the symbol name in the archive map.
2933         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
2934         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
2935         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
2936         (ver_test_11.a): New target.
2937         * testsuite/Makefile.in: Rebuild.
2938
2939         * configure.ac: Check for chsize and posix_fallocate.  Replace
2940         ftruncate.
2941         * ftruncate.c: New file, from gnulib.
2942         * output.cc (posix_fallocate): Define dummy version if not
2943         HAVE_POSIX_FALLOCATE.
2944         (Output_file::map): Call posix_fallocate rather than lseek and
2945         write.
2946         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
2947         * configure, Makefile.in, config.in: Rebuild.
2948
2949 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
2950         
2951         * layout.h (Layout::create_note): Add section_name parameter.
2952         * layout.cc (Layout::create_note): Likewise.
2953         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
2954         
2955 2009-03-17  Ian Lance Taylor  <iant@google.com>
2956
2957         * descriptors.cc: Include "options.h".
2958         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
2959         (Descriptors::open): Always use O_CLOEXEC when opening a new
2960         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
2961         then set FD_CLOEXEC.
2962
2963         * sparc.cc (class Target_sparc): Add has_got_section.
2964         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
2965         make sure we have a GOT section.
2966
2967         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
2968         (Target_sparc::Scan::local): Likewise.
2969         (Target_sparc::Scan::global): Likewise.
2970         (Target_sparc::Relocate::relocate): Likewise.
2971         (Target_sparc::Relocate::relocate_tls): Likewise.
2972
2973         * symtab.cc (Symbol_table::define_default_version): New function,
2974         broken out of add_from_object.
2975         (Symbol_table::add_from_object): Call define_default_version.
2976         (Symbol_table::define_special_symbol): Add resolve_oldsym
2977         parameter.  Change all callers.  If the version for a symbol comes
2978         from a version script, resolve it with the symbol with the same
2979         name with no version.  Also add the symbol without a version if
2980         appropriate.
2981         (do_define_in_output_data): If resolving with oldsym, don't delete
2982         sym.
2983         (do_define_in_output_segment): Likewise.
2984         (do_define_as_constant): Likewise.
2985         * symtab.h (class Symbol_table): Update declarations.
2986
2987 2009-03-13  Ian Lance Taylor  <iant@google.com>
2988
2989         * readsyms.cc (Read_symbols::incompatible_warning): New function.
2990         (Read_symbols::requeue): New function.
2991         (Read_symbols::do_read_symbols): If make_elf_object fails because
2992         the target type is not configured, and the file was searched for,
2993         issue a warning and retry with the next directory.
2994         (Add_symbols::run): If the file has an incompatible format, and
2995         it was searched for, requeue the Read_symbols task.  On error,
2996         release the object.
2997         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
2998         dirindex parameter to constructor.  Change all callers.  Declare
2999         incompatible_warning and requeue.
3000         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
3001         input_argument_ and input_group_ fields.  Add them to
3002         constructor.  Change all callers.
3003         (class Read_script): Add dirindex_ field.  Add it to constructor.
3004         Change all callers.
3005         * archive.cc (Archive::setup): Remove input_objects parameter.
3006         Change all callers.
3007         (Archive::get_file_and_offset): Likewise.
3008         (Archive::read_all_symbols): Likewise.
3009         (Archive::read_symbols): Likewise.
3010         (Archive::get_elf_object_for_member): Remove input_objects
3011         parameter.  Add punconfigured parameter.  Change all callers.
3012         (Archive::add_symbols): Change return type to bool.  Check return
3013         value of include_member.
3014         (Archive::include_all_members): Likewise.
3015         (Archive::include_member): Change return type to bool.  Return
3016         false if first included object has incompatible target.  Set
3017         included_member_ field.
3018         (Add_archive_symbols::run): If add_symbols returns false, requeue
3019         Read_symbols task.
3020         * archive.h (class Archive): Add included_member_ field.
3021         Initialize it in constructor.  Add input_file and searched_for
3022         methods.  Update declarations.
3023         (class Add_archive_symbols): Add dirpath_, dirindex_, and
3024         input_argument_ fields.  Add them to constructor.  Change all
3025         callers.
3026         * script.cc: Include "target-select.h".
3027         (class Parser_closure): Add skip_on_incompatible_target_ and
3028         found_incompatible_target_ fields.  Add
3029         skip_on_incompatible_target parameter to constructor.  Change all
3030         callers.  Add methods skip_on_incompatible_target,
3031         clear_skip_on_incompatible_target, found_incompatible_target, and
3032         set_found_incompatible_target.
3033         (read_input_script): Add dirindex parameter.  Change all callers.
3034         If parser finds an incompatible target, requeue Read_symbols
3035         task.
3036         (script_set_symbol): Clear skip_on_incompatible_target in
3037         closure.
3038         (script_add_assertion, script_parse_option): Likewise.
3039         (script_start_sections, script_add_phdr): Likewise.
3040         (script_check_output_format): New function.
3041         * script.h (read_input_script): Update declaration.
3042         * script-c.h (script_check_output_format): Declare.
3043         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
3044         (ignore_cmd): Remove OUTPUT_FORMAT.
3045         * fileread.cc (Input_file::Input_file): Add explicit this.
3046         (Input_file::will_search_for): New function.
3047         (Input_file::open): Add pindex parameter.  Change all callers.
3048         * fileread.h (class Input_file): Add input_file_argument method.
3049         Declare will_search_for.  Update declarations.
3050         * object.cc (make_elf_object): Add punconfigured parameter.
3051         Change all callers.
3052         * object.h (class Object): Make input_file public.  Add
3053         searched_for method.
3054         (make_elf_object): Update declaration.
3055         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
3056         restart search.
3057         * dirsearch.h (class Dirsearch): Update declaration.
3058         * options.h (class General_options): Add --warn-search-mismatch.
3059         * parameters.cc (Parameters::is_compatible_target): New function.
3060         * parameters.h (class Parameters): Declare is_compatible_target.
3061         * workqueue.cc (Workqueue::add_blocker): New function.
3062         * workqueue.h (class Workqueue): Declare add_blocker.
3063
3064         * fileread.cc (Input_file::open): Remove options parameter.
3065         Change all callers.
3066         (Input_file::open_binary): Likewise.
3067         * script.cc (read_input_script): Likewise.
3068         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
3069         options parameter from constructor.  Change all callers.
3070         (class Read_script): Likewise.
3071         * fileread.h (class Input_file): Update declarations.
3072         * script.h (read_input_script): Update declaration.
3073
3074 2009-03-10  Nick Clifton  <nickc@redhat.com>
3075
3076         * po/es.po: New Spanish translation.
3077
3078 2009-03-06  Cary Coutant  <ccoutant@google.com>
3079
3080         * options.cc (parse_short_option): Keep dash_z from registering itself.
3081
3082 2009-03-03  Ian Lance Taylor  <iant@google.com>
3083
3084         PR 9918
3085         * target-reloc.h (relocate_section): Pass output_section to
3086         relocate.
3087         * i386.cc (Target_i386::should_apply_static_reloc): Add
3088         output_section parameter.  Change all callers.
3089         (Target_i386::Relocate::relocate): Add output_section parameter.
3090         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
3091         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
3092         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
3093         * testsuite/two_file_shared.sh: New script.
3094         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
3095         (check_DATA): Add two_file_shared.dbg.
3096         (two_file_shared.dbg): New target.
3097         * testsuite/Makefile.in: Rebuild.
3098
3099 2009-03-01  Ian Lance Taylor  <iant@google.com>
3100
3101         * configure.ac: Check for byteswap.h.
3102         * configure: Rebuild.
3103         * config.in: Rebuild.
3104
3105 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
3106
3107         * layout.cc (Layout::find_or_add_kept_section): New function.
3108         (Layout::add_comdat): Removed.
3109         * layout.h (struct Kept_section): Move out of class Layout.
3110         Remove trailing underscores from field names.  Add group_sections
3111         field.  Rename group_ field to is_group.  Change all uses.
3112         (class Layout): Declare find_or_add_kept_section, not add_comdat.
3113         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
3114         comdat_groups_ field.
3115         (Sized_relobj::include_section_group): Use
3116         find_or_add_kept_section and Kept_section::group_sections.
3117         (Sized_relobj::include_linkonce_section): Likewise.
3118         * object.cc (class Sized_relobj): Don't define Comdat_group or
3119         Comdat_group_table.  Remove find_comdat_group and
3120         add_comdat_group.  Remove comdat_groups_ field.
3121         * plugin.cc (include_comdat_group): Use
3122         Layout::find_or_add_kept_section.
3123
3124 2009-02-28  Ian Lance Taylor  <iant@google.com>
3125
3126         * README: --gc-sections and map files are now supported.  Document
3127         some build requirements.
3128
3129         PR 6992
3130         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
3131         relocatable link set the value of the section symbol to zero.
3132         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
3133         relocatable link don't include the section address in the local
3134         symbol value.
3135
3136 2009-02-27  Ian Lance Taylor  <iant@google.com>
3137
3138         PR 6811
3139         * options.h (class Search_directory): Add is_system_directory.
3140         (class General_options): Declare is_in_system_directory.
3141         * options.cc (get_relative_sysroot): Make static.
3142         (get_default_sysroot): Make static.
3143         (General_optoins::is_in_system_directory): New function.
3144         * fileread.cc (Input_file::is_in_system_directory): New function.
3145         * fileread.h (class Input_file): Declare is_in_system_directory.
3146         * object.h (class Object): Add is_in_system_directory.
3147         (class Input_objects): Remove system_library_directory_ field.
3148         * object.cc (Input_objects::add_object): Don't set
3149         system_library_directory_.
3150         (input_objects::found_in_system_library_directory): Remove.
3151         * symtab.cc (Symbol_table::write_globals): Remove input_objects
3152         parameter.  Change all callers.
3153         (Symbol_table::sized_write_globals): Likewise.
3154         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
3155         Call Object::is_in_system_directory.
3156         * symtab.h (class Symbol_table): Update declarations.
3157
3158         PR 5990
3159         * descriptors.h (Open_descriptor): Add is_on_stack field.
3160         * descriptors.cc (Descriptors::open): If the descriptor is on the
3161         top of the stack, remove it.  Initialize is_on_stack field.
3162         (Descriptors::release): Only add pod to stack if it is not on the
3163         stack already.
3164         (Descriptors::close_some_descriptor): Clear stack_next and
3165         is_on_stack fields.
3166
3167         PR 7091
3168         * output.cc (Output_section::find_starting_output_address): Rename
3169         from starting_output_address; add PADDR parameter; change return
3170         type.
3171         * output.h (class Output_section): Declare
3172         find_starting_output_address instead of starting_output_address.
3173         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
3174         section symbol for which we can't find a merge section.
3175
3176         PR 9836
3177         * symtab.cc (Symbol_table::add_from_object): If the visibility is
3178         hidden or internal, force the symbol to be local.
3179         * resolve.cc (Symbol::override_visibility): Define.
3180         (Symbol::override_base): Use override_visibility.
3181         (Symbol_table::resolve): Likewise.
3182         (Symbol::override_base_with_special): Likewise.
3183         (Symbol_table::override_with_special): If the visibility is hidden
3184         or internal, force the symbol to be local.
3185         * symtab.h (class Symbol): Add set_visibility and
3186         override_visibility.
3187         * testsuite/ver_test_1.sh: New file.
3188         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
3189         (check_DATA): Add ver_test_1.syms.
3190         (ver_test_1.syms): New target.
3191         * testsuite/Makefile.in: Rebuild.
3192
3193 2009-02-25  Cary Coutant  <ccoutant@google.com>
3194
3195         * layout.cc (Layout::choose_output_section): Don't rename sections
3196         when using a linker script that has a SECTIONS clause.
3197         * Makefile.in: Regenerate.
3198
3199         * testsuite/Makefile.am (script_test_5.sh): New test case.
3200         * testsuite/Makefile.in: Regenerate.
3201         * testsuite/script_test_5.cc: New file.
3202         * testsuite/script_test_5.sh: New file.
3203         * testsuite/script_test_5.t: New file.
3204
3205 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
3206
3207         * archive.cc (Archive::include_member): Update calls to add_symbols.
3208         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
3209         the Layout argument.
3210         * dynobj.h (do_add_symbols): Add the Layout argument.
3211         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
3212         Layout argument.
3213         * object.h (Object::add_symbols): Add the Layout argument.
3214         (Object::do_add_symbols): Add the Layout argument.
3215         (Sized_relobj::do_add_symbols): Add the Layout argument.
3216         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
3217         Unify the two versions.
3218         (Add_plugin_symbols): Remove.
3219         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
3220         (Sized_pluginobj::do_add_symbols): Unify the two versions.
3221         (Add_plugin_symbols): Remove.
3222         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
3223         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
3224         (Add_symbols::run): Make it work with Pulginobj.
3225
3226 2009-02-06  Ian Lance Taylor  <iant@google.com>
3227
3228         * object.cc (Sized_relobj::do_layout): Make info message start
3229         with lower case letter.
3230
3231 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
3232
3233         * binary.cc: Fix file comment.
3234
3235         * options.h (enum Incremental_disposition): Define.
3236         (class General_options): Add new options: --incremental,
3237         --incremental_changed, --incremental_unchanged,
3238         --incremental_unknown.  Add incremental_disposition_ and
3239         implicit_incremental_ fields.
3240         (General_options::incremental_disposition): New function.
3241         (class Position_dependent_options): Add incremental_disposition
3242         option.
3243         (Position_dependent_options::copy_from_options): Set incremental
3244         dispositions.
3245         * options.cc (General_options::parse_incremental_changed): New
3246         function.
3247         (General_options::parse_incremental_unchanged): New function.
3248         (General_options::parse_incremental_unknown): New function.
3249         (General_options::General_options): Initialize new fields
3250         incremental_disposition_ and implicit_incremental_.
3251         (General_options::finalize): Check for uasge of --incremental-*
3252         without --incremental.
3253
3254 2009-02-06  Chris Demetriou  <cgd@google.com>
3255
3256         * gold.h (gold_undefined_symbol): Change to take only a Symbol
3257         pointer and to report location as the file name associated with
3258         the symbol.
3259         (gold_undefined_symbol_at_location): New function to replace the
3260         old gold_undefined_symbol functionality.
3261         * target-reloc.h (relocate_section): Update to use
3262         gold_undefined_symbol_at_location.
3263         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
3264         Call gold_undefined_symbol function rather than gold_error.
3265         * errors.h (Errors::undefined_symbol): Take location as a
3266         string, rather than calculating it from a relocation.
3267         * errors.cc (Errors::fatal): Print "fatal error:" before the
3268         formatted message.
3269         (Errors::error, Errors::error_at_location): Print "error: "
3270         before the formatted message.
3271         (Errors::undefined_symbol): Take location as a string, rather
3272         than calculating it from a relocation.
3273         (gold_undefined_symbol_at_location): New function akin to
3274         old gold_undefined_symbol, calculates location from relocation.
3275         (gold_undefined_symbol): Change to take only a Symbol pointer
3276         and to report location as the file name associated with the symbol.
3277         * testsuite/debug_msg.sh: Update for changed error messages.
3278         * testsuite/undef_symbol.sh: Likewise.
3279
3280 2009-02-04  Duncan Sands  <baldrick@free.fr>
3281
3282         PR 9812
3283         * reduced_debug_output.h
3284         (Output_reduced_debug_abbrev_section::failed): Use format for
3285         gold_warning.
3286         (Output_reduced_debug_info_section::faild): Likewise.
3287
3288 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
3289
3290         * script.cc (Lazy_demangler): New class.
3291         (Version_script_info::get_symbol_version_helper): Demangle a
3292         symbol only once.
3293
3294 2009-01-29  Cary Coutant  <ccoutant@google.com>
3295
3296         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
3297         to __tls_get_addr.
3298         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
3299
3300 2009-01-28  Ian Lance Taylor  <iant@google.com>
3301
3302         * version.cc (version_string): Bump to 1.9.
3303
3304         * gold.h: Include <cstring> and <stdint.h>.
3305         * version.cc: Include <cstdio>.
3306         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
3307         warning.
3308         * reduced_debug_output.cc (insert_into_vector): Rename from
3309         Insert_into_vector; change all callers.  Use Swap_unaligned to
3310         avoid aliasing issue; remove union since it is unnecessary.
3311
3312 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
3313
3314         * Makefile.am (CCFILES): Add gc.cc.
3315         (HFILES): Add gc.h.
3316         * Makefile.in: Regenerate.
3317         * gold.cc (Gc_runner): New class.
3318         (queue_initial_tasks): Call garbage collection related tasks
3319         when corresponding options are invoked.
3320         (queue_middle_gc_tasks): New function.
3321         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
3322         processed early before laying out sections during garbage collection.
3323         * gold.h (queue_middle_gc_tasks): New function.
3324         (is_prefix_of): Move from "layout.cc".
3325         * i386.cc (Target_i386::gc_process_relocs): New function.
3326         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
3327         * main.cc (main): Create object of class "Garbage_collection".
3328         * object.cc (Relobj::copy_symbols_data): New function.
3329         (Relobj::is_section_name_included): New function.
3330         (Sized_relobj::do_layout): Allow this function to be called twice 
3331         during garbage collection and defer layout of section during the 
3332         first call.
3333         * object.h (Relobj::get_symbols_data): New function.
3334         (Relobj::is_section_name_included): New function.
3335         (Relobj::copy_symbols_data): New function.
3336         (Relobj::set_symbols_data): New function.
3337         (Relobj::get_relocs_data): New function.
3338         (Relobj::set_relocs_data): New function.
3339         (Relobj::is_output_section_offset_invalid): New pure virtual function.
3340         (Relobj::gc_process_relocs): New function.
3341         (Relobj::do_gc_process_relocs): New pure virtual function.
3342         (Relobj::sd_): New data member.
3343         (Sized_relobj::is_output_section_offset_invalid): New function.
3344         (Sized_relobj::do_gc_process_relocs): New function.
3345         * options.h (General_options::gc_sections): Modify to not be a no-op.
3346         (General_options::print_gc_sections): New option.
3347         * plugin.cc (Plugin_finish::run): Remove function call to
3348         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
3349         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
3350         * reloc.cc (Read_relocs::run): Add task to process relocs and
3351         determine unreferenced sections when doing garbage collection.
3352         (Gc_process_relocs): New class.
3353         (Sized_relobj::do_gc_process_relocs): New function.
3354         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
3355         sections that are garbage collected.
3356         * reloc.h (Gc_process_relocs): New class.
3357         * sparc.cc (Target_sparc::gc_process_relocs): New function.
3358         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
3359         symbols whose corresponding sections are garbage collected.
3360         (Symbol_table::Symbol_table): Add new parameter for the garbage
3361         collection object.
3362         (Symbol_table::gc_mark_undef_symbols): New function.
3363         (Symbol_table::gc_mark_symbol_for_shlib): New function.
3364         (Symbol_table::gc_mark_dyn_syms): New function.
3365         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
3366         as garbage.
3367         (Symbol_table::add_from_object): Likewise.
3368         (Symbol_table::add_from_relobj): When building shared objects, do not
3369         treat externally visible symbols as garbage.
3370         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
3371         table information for static and relocatable links.
3372         * symtab.h (Symbol_table::set_gc): New function.
3373         (Symbol_table::gc): New function.
3374         (Symbol_table::gc_mark_undef_symbols): New function.
3375         (Symbol_table::gc_mark_symbol_for_shlib): New function.
3376         (Symbol_table::gc_mark_dyn_syms): New function.
3377         (Symbol_table::gc_): New data member.
3378         * target.h (Sized_target::gc_process_relocs): New pure virtual 
3379         function.
3380         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
3381         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
3382
3383 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
3384
3385         * options.h (General_options::gc_sections): Define as a no-op for now.
3386         (General_options::no_keep_memory): Ditto.
3387         (General_options::Bshareable): Define.
3388         * options.cc (General_options::finalize): Honor -Bshareable.
3389
3390 2009-01-20  Andreas Schwab  <schwab@suse.de>
3391
3392         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
3393         read the value in the contents, since we don't use it.  Use the
3394         template endianness when writing.
3395         (Relocate::relocate): Use it for R_PPC_REL16_HA.
3396
3397 2009-01-19  Andreas Schwab  <schwab@suse.de>
3398
3399         * configure.tgt (powerpc64-*): Fix targ_obj.
3400
3401 2009-01-15  Ian Lance Taylor  <iant@google.com>
3402
3403         * object.cc (Sized_relobj::write_local_symbols): Don't write out
3404         local symbols when stripping all symbols.
3405
3406 2009-01-14  Cary Coutant  <ccoutant@google.com>
3407
3408         * output.cc (Output_reloc): Add explicit instantiations.
3409
3410 2009-01-14  Cary Coutant  <ccoutant@google.com>
3411
3412         * archive.cc (Archive::get_elf_object_for_member): Remove call
3413         to File_read::claim_for_plugin.
3414         * descriptors.cc (Descriptors::open): Remove reference to
3415         is_claimed.
3416         (Descriptors::claim_for_plugin): Remove.
3417         * descriptors.h (Descriptors::claim_for_plugin): Remove.
3418         (Descriptors::is_claimed): Remove.
3419         (claim_descriptor_for_plugin): Remove.
3420         * fileread.cc (File_read::claim_for_plugin): Remove.
3421         * fileread.h (File_read::claim_for_plugin): Remove.
3422         (File_read::descriptor): Reopen descriptor if necessary.
3423         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
3424         (Plugin_manager::all_symbols_read): Add task parameter. Change
3425         all callers.
3426         (Plugin_manager::get_input_file): New function.
3427         (Plugin_manager::release_input_file): New function.
3428         (Pluginobj::Pluginobj): Add filesize parameter and initialize
3429         corresponding data member.
3430         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
3431         and pass to base constructor. Change all callers.
3432         (get_input_file, release_input_file): New functions.
3433         (make_sized_plugin_object): Add filesize parameter. Change all callers.
3434         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
3435         (Plugin_manager::all_symbols_read): Add task parameter.
3436         (Plugin_manager::get_input_file): New function.
3437         (Plugin_manager::release_input_file): New function.
3438         (Plugin_manager::task_): New data member.
3439         (Pluginobj::Pluginobj): Add filesize parameter.
3440         (Pluginobj::filename): New function.
3441         (Pluginobj::descriptor): New function.
3442         (Pluginobj::filesize): New function.
3443         (Pluginobj::filesize_): New data member.
3444         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
3445         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
3446         File_read::claim_for_plugin; use Object::unlock to unlock the file.
3447
3448         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
3449         with archive libraries.
3450         * testsuite/Makefile.in: Regenerate.
3451         * testsuite/plugin_test.c (struct sym_info): New type.
3452         (get_input_file, release_input_file): New static variables.
3453         (onload): Capture new transfer vector entries.
3454         (claim_file_hook): Stop reading at end of file according to filesize.
3455         Factor out parsing of readelf output into separate function.
3456         (all_symbols_read_hook): Exercise get_input_file and release_input_file
3457         APIs and get the source file name from the symbol table.  Convert
3458         source file name to corresponding object file name.  Print info
3459         message when adding new input files.
3460         (parse_readelf_line): New function.
3461         * testsuite/plugin_test_1.sh: Add checks for new info messages.
3462         * testsuite/plugin_test_2.sh: Likewise.
3463         * testsuite/plugin_test_3.sh: Likewise.
3464         * testsuite/plugin_test_4.sh: New test case.
3465
3466 2009-01-07  Ian Lance Taylor  <iant@google.com>
3467
3468         * version.cc (version_string): Bump to 1.8.
3469
3470 2008-12-23  Cary Coutant  <ccoutant@google.com>
3471
3472         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
3473         * plugin.cc (Plugin_manager::finish): Rename as
3474         layout_deferred_objects.  Move cleanup to separate function.
3475         (Plugin_manager::cleanup): New function.
3476         (Plugin_finish::run): Call layout_deferred_objects and cleanup
3477         separately.
3478         * plugin.h (Plugin_manager::finish): Rename as
3479         layout_deferred_objects.
3480         (Plugin_manager::cleanup): New function.
3481         (Plugin_manager::cleanup_done): New field.
3482
3483 2008-12-23  Cary Coutant  <ccoutant@google.com>
3484
3485         * plugin.cc (is_visible_from_outside): New function.
3486         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
3487         so we don't return "IR only" status for exported symbols or -r links.
3488
3489         * testsuite/Makefile.am (plugin_test_3): New test case.
3490         * testsuite/Makefile.in: Regenerate.
3491         * testsuite/plugin_test_3.sh: New file.
3492
3493 2008-12-22  Cary Coutant  <ccoutant@google.com>
3494
3495         * object.cc (Sized_relobj::layout_section): New function.
3496         (Sized_relobj::do_layout): Defer layout of input sections until after
3497         plugin has provided replacement files.
3498         (Sized_relobj::do_layout_deferred_sections): New function.
3499         * object.h (Relobj::set_section_offset): Remove virtual keyword.
3500         (Relobj::layout_deferred_sections): New function.
3501         (Relobj::do_layout_deferred_sections): New function.
3502         (Sized_relobj::do_layout_deferred_sections): New function.
3503         (Sized_relobj::layout_section): New function.
3504         (Sized_relobj::Deferred_layout): New structure.
3505         (Sized_relobj::deferred_layout_): New field.
3506         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
3507         Change all callers.  Layout deferred sections.
3508         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
3509         references.
3510         (Plugin_hook::run): Move code from do_plugin_hook inline.
3511         (Plugin_hook::do_plugin_hook): Remove.
3512         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
3513         (Plugin_manager::finish): Renamed, was cleanup.
3514         (Plugin_manager::should_defer_layout): New function.
3515         (Plugin_manager::add_deferred_layout_object): New function.
3516         (Plugin_manager::Deferred_layout_list): New type.
3517         (Plugin_manager::deferred_layout_objects_): New field.
3518         (Plugin_hook::do_plugin_hook): Remove.
3519
3520 2008-12-17  Ian Lance Taylor  <iant@google.com>
3521
3522         * options.h (class General_options): Add --no case for
3523         --export-dynamic.
3524
3525 2008-12-16  Cary Coutant  <ccoutant@google.com>
3526
3527         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
3528         vector.
3529         (Plugin_manager::claim_file): Create plugin object even if
3530         plugin did not call the add_symbols callback.
3531         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
3532         asking for more symbols than were added.
3533         * testsuite/Makefile.am (plugin_test_1): Add test case with
3534         no global symbols.
3535         (empty.syms): New target.
3536         * testsuite/Makefile.in: Regenerate.
3537         * testsuite/plugin_test.c (claim_file_hook): Add new debug
3538         message. Don't call add_symbols if no globals.
3539         (all_symbols_read_hook): Don't provide replacement for empty
3540         claimed file.
3541
3542 2008-12-12  Ian Lance Taylor  <iant@google.com>
3543
3544         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
3545         r_type == 0 for a local symbol with r_sym == 0.
3546         (scan_relocatable_relocs): Pass r_sym to
3547         local_non_section_strategy.
3548         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
3549         r_sym parameter.
3550
3551         * configure.ac: Update test for TLS descriptors: they are
3552         supported as of glibc 2.9.
3553         * configure: Rebuild.
3554
3555 2008-12-11  Ian Lance Taylor  <iant@google.com>
3556
3557         PR 7091
3558         * target-reloc.h (Default_scan_relocatable_relocs): For each
3559         function, map r_type == 0 to RELOC_DISCARD.
3560
3561 2008-12-10  Cary Coutant  <ccoutant@google.com>
3562
3563         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
3564         object to override a kept COMDAT group from a plugin object.
3565
3566 2008-12-09  Ian Lance Taylor  <iant@google.com>
3567
3568         PR 7088
3569         * yyscript.y (file_cmd): Handle INPUT.
3570
3571         * testsuite/initpri1.c: Change all declarations to be full
3572         prototypes by adding void, to avoid compiler warnings.
3573
3574 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
3575
3576         * options.cc (General_options::parse_plugin_opt): New.
3577         (General_options::add_plugin): The argument now is just the filename.
3578         (General_options::add_plugin_option): New.
3579         * options.h (plugin_opt): New.
3580         (add_plugin): Change argument name.
3581         (add_plugin_option): New.
3582         * plugin.cc (Plugin::load): Don't parse the plugin option.
3583         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
3584         (Plugin::add_option): New.
3585         (Plugin::args_): Change type.
3586         (Plugin::filename_): New.
3587         (Plugin_manager::add_plugin_option): New.
3588         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
3589         * testsuite/Makefile.in: Regenerate.
3590
3591 2008-12-05  Cary Coutant  <ccoutant@google.com>
3592
3593         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
3594         Handle --strip-lto-sections option.
3595         * options.h (strip_lto_sections): New option.
3596
3597 2008-12-01  Cary Coutant  <ccoutant@google.com>
3598
3599         * plugin.cc (ld_plugin_message): Change format parameter to const.
3600         Fix mismatch between new[] and delete.
3601
3602 2008-11-14  Cary Coutant  <ccoutant@google.com>
3603
3604         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
3605         instead of -1U.
3606
3607 2008-11-05  Craig Silverstein  <csilvers@google.com>
3608
3609         * options.cc (General_options::parse_dynamic_list): New function.
3610         * options.h (General_options): New flags dynamic_list,
3611         dynamic_list_data, dynamic_list_cpp_new, and
3612         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
3613         (General_options::in_dynamic_list): New function.
3614         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
3615         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
3616         (Lex::can_continue_name): Likewise.
3617         (yylex): Likewise.
3618         (read_script_file): New parameter script_options.
3619         (read_dynamic_list): New function.
3620         (Script_options::define_dynamic_list): New function.
3621         (dynamic_list_keyword_parsecodes): New variable.
3622         (dynamic_list_keywords): New variable.
3623         * script.h (Script_options::define_dynamic_list): New function
3624         prototype.
3625         (read_dynamic_list): New function prototype.
3626         * symtab.cc (strprefix): New macro.
3627         (Symbol::should_add_dynsym_entry): Support dynamic_list,
3628         dynamic_list_data, dynamic_list_cpp_new, and
3629         dynamic_list_cpp_typeinfo.
3630         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
3631         (dynamic_list_expr): New rule.
3632         (dynamic_list_nodes): Likewise.
3633         (dynamic_list_node): Likewise.
3634         * testsuite/Makefile.am (dynamic_list): New test.
3635         * testsuite/Makefile.in: Regenerated.
3636         * testsuite/dynamic_list.t: New file.
3637         * testsuite/dynamic_list.sh: New file.
3638
3639 2008-11-05  Craig Silverstein  <csilvers@google.com>
3640
3641         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
3642         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
3643         (t11_last): Likewise.
3644         * testsuite/ver_test_6.c (main): Likewise.
3645
3646 2008-10-07  Cary Coutant  <ccoutant@google.com>
3647
3648         * options.c (General_options::finalize): Add check for -static and
3649         -shared.
3650         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
3651         is not empty.
3652
3653 2008-10-02  Cary Coutant  <ccoutant@google.com>
3654
3655         * plugin.cc (make_sized_plugin_object): Fix conditional
3656         compilation to work when not all targets are enabled.
3657
3658 2008-09-29  Cary Coutant  <ccoutant@google.com>
3659
3660         * archive.cc (Archive::get_file_and_offset): Use filename instead
3661         of name to get library path.
3662         (Archive::include_member): Unlock external member of a thin archive.
3663
3664         * testsuite/Makefile.am (TEST_AR): New variable.
3665         (thin_archive_test_1): New test.
3666         (thin_archive_test_2): New test.
3667         * testsuite/Makefile.in: Regenerate.
3668         * testsuite/thin_archive_main.cc: New file.
3669         * testsuite/thin_archive_test_1.cc: New file.
3670         * testsuite/thin_archive_test_2.cc: New file.
3671         * testsuite/thin_archive_test_3.cc: New file.
3672         * testsuite/thin_archive_test_4.cc: New file.
3673
3674 2008-09-29  Cary Coutant  <ccoutant@google.com>
3675
3676         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
3677         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
3678         instead of -1U.
3679         (Sized_relobj::do_finalize_local_symbols): Likewise.
3680         (Sized_relobj::map_to_kept_section): Likewise.
3681         * object.h (Sized_relobj::invalid_address): New constant.
3682         (Sized_relobj::do_output_section_offset): Check for invalid_address
3683         and return -1ULL.
3684         * output.cc (Output_reloc::local_section_offset): Use constant
3685         invalid_address instead of -1U.
3686         (Output_reloc::get_address): Likewise.
3687         (Output_section::output_address): Change -1U to -1ULL.
3688         * output.h (Output_reloc::invalid_address): New constant.
3689         * reloc.cc (Sized_relobj::write_sections): Use constant
3690         invalid_address instead of -1U.
3691         (Sized_relobj::relocate_sections): Likewise.
3692         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
3693         values for merge sections.
3694         * target-reloc.h (relocate_for_relocatable): Use constant
3695         invalid_address instead of -1U.
3696
3697 2008-09-19  Cary Coutant  <ccoutant@google.com>
3698
3699         Add plugin functionality for link-time optimization (LTO).
3700         * configure.ac (plugins): Add --enable-plugins option.
3701         * configure: Regenerate.
3702         * config.in: Regenerate.
3703         * Makefile.am (LIBDL): New variable.
3704         (CCFILES): Add plugin.cc.
3705         (HFILES): Add plugin.h.
3706         (ldadd_var): Add LIBDL.
3707         * Makefile.in: Regenerate.
3708
3709         * archive.cc: Include "plugin.h".
3710         (Archive::setup): Don't preread archive symbols when using a plugin.
3711         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
3712         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
3713         files.
3714         (Archive::include_member): Add symbols from plugin objects.
3715         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
3716         * descriptors.cc (Descriptors::open): Check for file descriptors
3717         abandoned by plugins.
3718         (Descriptors::claim_for_plugin): New function.
3719         * descriptors.h (Descriptors::claim_for_plugin): New function.
3720         (Open_descriptor::is_claimed): New field.
3721         (claim_descriptor_for_plugin): New function.
3722         * fileread.cc (File_read::claim_for_plugin): New function.
3723         * fileread.h (File_read::claim_for_plugin): New function.
3724         (File_read::descriptor): New function.
3725         * gold.cc: Include "plugin.h".
3726         (queue_initial_tasks): Add task to call plugin hooks for generating
3727         new object files.
3728         * main.cc: Include "plugin.h".
3729         (main): Load plugin libraries.
3730         * object.h (Pluginobj): Declare.
3731         (Object::pluginobj): New function.
3732         (Object::do_pluginobj): New function.
3733         (Object::set_target): New function.
3734         * options.cc: Include "plugin.h".
3735         (General_options::parse_plugin): New function.
3736         (General_options::General_options): Initialize plugins_ field.
3737         (General_options::add_plugin): New function.
3738         * options.h (Plugin_manager): Declare.
3739         (General_options): Add --plugin option.
3740         (General_options::has_plugins): New function.
3741         (General_options::plugins): New function.
3742         (General_options::add_plugin): New function.
3743         (General_options::plugins_): New field.
3744         * plugin.cc: New file.
3745         * plugin.h: New file.
3746         * readsyms.cc: Include "plugin.h".
3747         (Read_symbols::do_read_symbols): Check for archive before checking
3748         for ELF file.  Call plugin hooks to claim files.
3749         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
3750         from a real object file; force override when processing replacement
3751         files.
3752         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
3753         (Symbol::init_base_object): Likewise.
3754         (Symbol::init_base_output_data): Likewise.
3755         (Symbol::init_base_output_segment): Likewise.
3756         (Symbol::init_base_constant): Likewise.
3757         (Symbol::init_base_undefined): Likewise.
3758         (Symbol::output_section): Assert that object is not a plugin.
3759         (Symbol_table::add_from_pluginobj): New function.
3760         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
3761         undefined.
3762         (Symbol_table::sized_write_globals): Likewise.
3763         (Symbol_table::add_from_pluginobj): Instantiate template.
3764         * symtab.h (Sized_pluginobj): Declare.
3765         (Symbol::in_real_elf): New function.
3766         (Symbol::set_in_real_elf): New function.
3767         (Symbol::in_real_elf_): New field.
3768         (Symbol_table::add_from_pluginobj): New function.
3769
3770         * testsuite/Makefile.am (AM_CFLAGS): New variable.
3771         (LIBDL): New variable.
3772         (LDADD): Add LIBDL.
3773         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
3774         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
3775         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
3776         (MOSTLYCLEANFILES): Likewise.
3777         * testsuite/Makefile.in: Regenerate.
3778         * testsuite/plugin_test.c: New file.
3779         * testsuite/plugin_test_1.sh: New file.
3780         * testsuite/plugin_test_2.sh: New file.
3781
3782 2008-09-16  Ian Lance Taylor  <iant@google.com>
3783
3784         * target-reloc.h (relocate_section): Check whether a symbol is
3785         defined by the ABI before reporting an undefined symbol error.
3786         * target.h (Target::is_defined_by_abi): Make parameter const.
3787         (Target::do_is_defined_by_abi): Likewise.
3788         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
3789         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
3790         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
3791         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
3792         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
3793         * testsuite/Makefile.in: Rebuild.
3794
3795         * fileread.cc (make_view): Add casts to avoid warning.
3796
3797 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
3798
3799         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
3800         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
3801
3802 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
3803
3804         * options.h (General_options::output_is_executable): New.
3805         (General_options::output_is_pie): New.
3806         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
3807         for shared libraries.
3808         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
3809
3810 2008-09-11  Chris Demetriou  <cgd@google.com>
3811
3812         * options.h (origin): New -z option.
3813         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
3814         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
3815         in DT_FLAGS_1.
3816
3817 2008-09-05  Cary Coutant  <ccoutant@google.com>
3818
3819         * fileread.cc (File_read::make_view): Add check for attempt to map
3820         beyond end of file.
3821
3822 2008-09-05  Cary Coutant  <ccoutant@google.com>
3823
3824         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
3825         explicit instantiations.
3826
3827 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
3828
3829         PR gold/6858
3830         * options.cc (General_options::finalize): Allow undefined symbols
3831         in shlibs if linking -shared.
3832
3833         PR gold/6859
3834         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
3835         symbols as not needing a dynsym entry.
3836
3837 2008-08-20  Craig Silverstein  <csilvers@google.com>
3838
3839         * fileread.cc (File_read::open): Do not lock the file unless it
3840         was successfully opened.
3841
3842 2008-08-14  Cary Coutant  <ccoutant@google.com>
3843
3844         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
3845         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
3846         * testsuite/tls_test.cc (struct int128): 128-bit struct
3847         for testing TLS relocs with non-zero addend.
3848         (v12): New TLS variable.
3849         (t12): New test.
3850         (t_last): Add check for v12.
3851         * testsuite/tls_test.h (t12): New function.
3852         * testsuite/tls_test_main.cc (thread_routine): Call new test.
3853
3854 2008-08-13  Ian Lance Taylor  <iant@google.com>
3855
3856         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
3857         set tls_segment_ or relro_segment_.
3858         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
3859         when appropriate.
3860         * output.h (Output_section::clear_is_relro): New function.
3861         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
3862         sections specially even when output_data_ is empty.
3863         (Output_segment::maximum_alignment): When first section is relro,
3864         only force alignment for PT_LOAD segments.
3865         * script.cc (script_data_segment_align): New function.
3866         (script_data_segment_relro_end): New function.
3867         * script-c.h (script_data_segment_align): Declare.
3868         (script_data_segment_relro_end): Declare.
3869         * script-sections.h (class Script_sections): Declare
3870         data_segment_align and data_segment_relro_end.  Add fields
3871         segment_align_index_ and saw_relro_end_.
3872         * script-sections.cc (class Sections_element): Add set_is_relro
3873         virtual function.  Add new bool* parameter to place_orphan_here.
3874         Add get_output_section virtual function.
3875         (class Output_section_definition): Add set_is_relro.  Add new
3876         bool* parameter to place_orphan_here.  Add get_output_section.
3877         Add is_relro_ field.
3878         (Output_section_definition::Output_section_definition): Initialize
3879         evaluated_address_, evaluated_load_address, evaluated_addralign_,
3880         and is_relro_ fields.
3881         (Output_section_definition::place_orphan_here): Add is_relro
3882         parameter.
3883         (Output_section_definition::set_section_addresses): Set relro for
3884         output section.
3885         (Output_section_definition::alternate_constraint): Likewise.
3886         (class Orphan_output_section): Add new bool* parameter to
3887         place_orphan_here.  Add get_output_section.
3888         (Orphan_output_section::place_orphan_here): Add is_relro
3889         parameter.
3890         (Script_sections::Script_sections): Initialize
3891         data_segment_align_index_ and saw_relro_end_.
3892         (Script_sections::data_segment_align): New function.
3893         (Script_sections::data_segment_relro_end): New function.
3894         (Script_sections::place_orphan): Set or clear is_relro.
3895         (Script_sections::set_section_addresses): Force alignment of first
3896         TLS section.
3897         * yyscript.y (exp): Call script_data_segment_align and
3898         script_data_segment_relro_end.
3899         * testsuite/relro_script_test.t: New file.
3900         * testsuite/relro_test.cc (using_script): Declare.
3901         (t1, t2): Test using_script.
3902         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
3903         (relro_script_test_SOURCES): Define.
3904         (relro_script_test_DEPENDENCIES): Define.
3905         (relro_script_test_LDFLAGS): Define.
3906         (relro_script_test_LDADD): Define.
3907         (relro_script_test.so): New target.
3908         * testsuite/Makefile.in: Rebuild.
3909
3910 2008-08-06  Cary Coutant <ccoutant@google.com>
3911
3912         * archive.cc (Archive::total_archives, Archive::total_members)
3913         (Archive::total_members_loaded): New variables.
3914         (Archive::setup): Add parameter.  Add option to preread
3915         archive symbols.
3916         (Archive::read_armap): Add counter.
3917         (Archive::get_file_and_offset): New function.
3918         (Archive::get_elf_object_for_member): New function.
3919         (Archive::read_all_symbols): New function.
3920         (Archive::read_symbols): New function.
3921         (Archive::add_symbols): Add counters.
3922         (Archive::include_all_members): Use armap to find members if it's
3923         already built.
3924         (Archive::include_member): Skip reading symbols if already read.
3925         Factored code into Archive::get_file_and_offset and
3926         Archive::get_elf_object_for_member.  Changed call to
3927         Mapfile::report_include_archive_member.
3928         (Archive::print_stats): New function.
3929         * archive.h: Declare Object and Read_symbols_data classes.
3930         (Archive::Archive): Add initializers for new members.
3931         (Archive::setup): Add parameter.
3932         (Archive::print_stats): New function.
3933         (Archive::total_archives, Archive::total_members)
3934         (Archive::total_members_loaded): New variables.
3935         (Archive::get_file_and_offset): New function.
3936         (Archive::get_elf_object_for_member): New function.
3937         (Archive::read_all_symbols): New function.
3938         (Archive::read_symbols): New function.
3939         (Archive::Archive_member): New class.
3940         (Archive::members_): New member.
3941         (Archive::num_members_): New member.
3942         * main.cc: Include archive.h.
3943         (main): Call Archive::print_stats.
3944         * mapfile.cc (Mapfile::report_include_archive_member): Delete
3945         archive parameter; member_name is now the fully-decorated name.
3946         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
3947         * options.h: (General_options): Add --preread-archive-symbols option.
3948         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
3949         Archive::setup.
3950
3951 2008-08-04  Ian Lance Taylor  <iant@google.com>
3952
3953         * symtab.h (Symbol::use_plt_offset): New function.
3954         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
3955         * powerpc.cc (Relocate::relocate): Likewise.
3956         * sparc.cc (Relocate::relocate): Likewise.
3957         * x86_64.cc (Relocate::relocate): Likewise.
3958         * testsuite/weak_plt.sh: New test.
3959         * testsuite/weak_plt_main.cc: New test.
3960         * testsuite/weak_plt_shared.cc: New test.
3961         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
3962         (check_PROGRAMS): Add weak_plt.
3963         (check_DATA): Add weak_plt_shared.so.
3964         (weak_plt_main_pic.o, weak_plt): New targets.
3965         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
3966         * testsuite/Makefile.in: Rebuild.
3967
3968         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
3969         gcctestdir/ld.
3970         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
3971         * testsuite/Makefile.in: Rebuild.
3972
3973 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
3974
3975         * Makefile.am (POTFILES.in): Set LC_ALL=C.
3976         * Makefile.in: Regenerate.
3977         * po/POTFILES.in: Regenerate.
3978
3979 2008-07-29  Ian Lance Taylor  <iant@google.com>
3980
3981         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
3982         symbols before other symbols.
3983         * testsuite/script_test_2.cc (test_addr): Declare.
3984         (test_addr_alias): Declare.
3985         (main): Check that test_addr and test_addr_alias have the right
3986         values.
3987         * testsuite/script_test_2.t: Define test_addr_alias and
3988         test_addr.
3989
3990 2008-07-24  Ian Lance Taylor  <iant@google.com>
3991
3992         PR 5990
3993         * descriptors.cc: New file.
3994         * descriptors.h: New file.
3995         * gold-threads.h (class Hold_optional_lock): New class.
3996         * fileread.cc: Include "descriptors.h".
3997         (File_read::~File_read): Release descriptor rather than closing
3998         it.
3999         (File_read::open) [file]: Call open_descriptor rather than open.
4000         Set is_descriptor_opened_.
4001         (File_read::open) [memory]: Assert that descriptor is not open.
4002         (File_read::reopen_descriptor): New function.
4003         (File_read::release): Release descriptor.
4004         (File_read::do_read): Make non-const.  Reopen descriptor.
4005         (File_read::read): Make non-const.
4006         (File_read::make_view): Reopen descriptor.
4007         (File_read::do_readv): Likewise.
4008         * fileread.h (class File_read): Add is_descriptor_opened_ field.
4009         Update declarations.
4010         * layout.cc: Include "descriptors.h".
4011         (Layout::create_build_id): Use open_descriptor rather than open.
4012         * output.cc: Include "descriptors.h".
4013         (Output_file::open): Use open_descriptor rather than open.
4014         * archive.cc (Archive::const_iterator): Change Archive to be
4015         non-const.
4016         (Archive::begin, Archive::end): Make non-const.
4017         (Archive::count_members): Likewise.
4018         * archive.h (class Archive): Update declarations.
4019         * object.h (Object::read): Make non-const.
4020         * Makefile.am (CCFILES): Add descriptors.cc.
4021         (HFILES): Add descriptors.h.
4022         * Makefile.in: Rebuild.
4023
4024         PR 6716
4025         * gold.h: Always include <clocale>.  Add Solaris workarounds
4026         following code in binutils/sysdep.h.
4027
4028         PR 6048
4029         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
4030         this->eh_frame_hdr_ is NULL before using it.
4031
4032         * dynobj.cc (Versions::Versions): Update comment.
4033
4034         * dynobj.cc (Versions::Versions): If there is an soname, use it as
4035         the base version name.
4036
4037         * stringpool.cc (Stringpool_template::add_with_length): Set key to
4038         array size plus one.
4039         (Stringpool_template::set_string_offsets): Subtract one from key
4040         before using it as an array index.
4041         (Stringpool_template::get_offset_with_length): Likewise.
4042         (Stringpool_template::write_to_buffer): Likewise.
4043         * stringpool.h (Stringpool_template::get_offset_from_key):
4044         Likewise.
4045
4046 2008-07-23  Ian Lance Taylor  <iant@google.com>
4047
4048         PR 6658
4049         * object.h (Merged_symbol_value::value): Do our best to handle a
4050         negative addend.
4051
4052         PR 6647
4053         * script.cc (Version_script_info::get_versions): Don't add empty
4054         version tag to return value.
4055         (Version_script_info::get_symbol_version_helper): Change return
4056         type to bool.  Add pversion parameter.  Change all callers.
4057         (script_register_vers_node): Don't require a non-NULL tag.
4058         * script.h (class Version_script_info): Update declarations.
4059         (Version_script_info::get_symbol_version): Change return type to
4060         bool.  Add version parameter.  Change all callers.
4061         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
4062         handling.  Handle an empty version from a version script.
4063         (Symbol_table::define_special_symbol): Likewise.
4064         * testsuite/ver_test_10.script: New file.
4065         * testsuite/ver_test_10.sh: New file.
4066         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
4067         (check_DATA): Add ver_test_10.syms.
4068         (ver_test_10.syms, ver_test_10.so): New target.
4069         * testsuite/Makefile.in: Rebuild.
4070
4071 2008-07-23  Simon Baldwin  <simonb@google.com>
4072
4073         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
4074         to zero for undefined symbols from dynamic libraries.
4075
4076 2008-07-23  Ian Lance Taylor  <iant@google.com>
4077
4078         * symtab.cc (Symbol_table::resolve): Remove version parameter.
4079         Change all callers.
4080         * symtab.h (class Symbol_table): Update declaration.
4081         * testsuite/ver_test_9.cc: New file.
4082         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
4083         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
4084         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
4085         (ver_test_9.so, ver_test_9.o): New targets.
4086         * testsuite/Makefile.in: Rebuild.
4087
4088 2008-07-22  Ian Lance Taylor  <iant@google.com>
4089
4090         * options.h (class General_options): Define --check-sections.
4091         * layout.cc (Layout::set_segment_offsets): Handle
4092         --check-sections.
4093
4094         * options.h (class General_options): Define -n/--nmagic and
4095         -N/--omagic.
4096         * options.cc (General_options::finalize): For -n/--nmagic or
4097         -N/--omagic, set -static.
4098         * layout.cc (Layout::attach_allocated_section_to_segment): If
4099         -N/--omagic, don't put read-only and read-write sections in
4100         different segments.
4101         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
4102         finding a read-only segment.
4103         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
4104         don't set the minimum segment alignment to the common page size,
4105         and don't set the file offset to the address modulo the page size.
4106         * script-sections.cc (Script_sections::create_segments): If
4107         -n/--omagic, don't put read-only and read-write sections in
4108         different segments.
4109
4110         * cref.cc: New file.
4111         * cref.h: New file.
4112         * options.h (class General_options): Add --print-symbol-counts.
4113         * main.cc (main): Issue defined symbol report if requested.
4114         * archive.cc (Archive::interpret_header): Make into a const member
4115         function.
4116         (Archive::add_symbols): Call Input_objects::archive_start and
4117         archive_stop.
4118         (Archive::const_iterator): Define new class.
4119         (Archive::begin, Archive::end): New functions.
4120         (Archive::include_all_members): Rewrite to use iterator.
4121         (Archive::count_members): New function.
4122         * archive.h (class Archive): Update declarations.
4123         (Archive::filename): New function.
4124         * object.cc: Include "cref.h".
4125         (Sized_relobj::Sized_relobj): Initialize defined_count_.
4126         (Sized_relobj::do_get_global_symbol_counts): New function.
4127         (Input_objects::add_object): Add object to cross-referencer.
4128         (Input_objects::archive_start): New function.
4129         (Input_objects::archive_stop): New function.
4130         (Input_objects::print_symbol_counts): New function.
4131         * object.h: Declare Cref and Archive.
4132         (Object::get_global_symbol_counts): New function.
4133         (Object::do_get_global_symbol_counts): New pure virtual function.
4134         (class Sized_relobj): Add defined_count_ field.  Update
4135         declarations.
4136         (class Input_objects): Add cref_ field.  Update constructor.
4137         Update declarations.
4138         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
4139         defined_count_.
4140         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
4141         symbol counts.
4142         (Sized_dynobj::do_get_global_symbol_counts): New function.
4143         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
4144         defined_count_.  Update declarations.  Define Symbols typedef.
4145         * symtab.cc (Symbol_table::add_from_relobj): Add defined
4146         parameter.  Change all callers.
4147         (Symbol_table::add_from_dynobj): Add sympointers and defined
4148         parameters.  Change all callers.
4149         * symtab.h (class Symbol_table): Update declarations.
4150         * Makefile.am (CCFILES): Add cref.cc.
4151         (HFILES): Add cref.h.
4152         * Makefile.in: Rebuild.
4153
4154 2008-07-22  Simon Baldwin  <simonb@google.com>
4155
4156         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
4157         to zero when writing undefined symbols.
4158
4159 2008-07-22  Ian Lance Taylor  <iant@google.com>
4160
4161         * output.cc (Output_section::add_input_section): Don't try to
4162         merge empty merge sections.
4163
4164 2008-07-21  Craig Silverstein  <csilvers@google.com>
4165
4166         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
4167         Include symbol version in error message.
4168
4169 2008-07-20  Chris Demetriou  <cgd@google.com>
4170
4171         * configure.ac (gold_cv_c_random_seed): New configured variable.
4172         (RANDOM_SEED_CFLAGS): New substituted variable.
4173         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
4174         * configure: Rebuild.
4175         * Makefile.in: Likewise.
4176         * testsuite/Makefile.in: Likewise.
4177
4178 2008-07-18  Ian Lance Taylor  <iant@google.com>
4179
4180         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
4181         where we see NAME/NULL and NAME/VERSION  as separate symbols.
4182         * testsuite/ver_test_main.cc (main): Call t4.
4183         (t4, t4_2a): Define.
4184         * testsuite/ver_test_2.cc (t4_2): Define.
4185         * testsuite/ver_test_2.script: Put t4_2a in VER2.
4186         * testsuite/ver_test_4.cc (t4_2a): Define.
4187         * testsuite/ver_test_4.script: Put t4_2a in VER2.
4188         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
4189
4190 2008-07-17  Ian Lance Taylor  <iant@google.com>
4191
4192         * dynobj.cc (Versions::add_def): If we give an error about a
4193         missing version, go ahead and create the version anyhow.
4194
4195 2008-07-10  Ian Lance Taylor  <iant@google.com>
4196
4197         Handle output sections with more than 0x7fffffff bytes.
4198         * object.h (class Relobj): Change map_to_output_ to
4199         output_sections_, and just keep a section pointer.  Change all
4200         uses.  Move comdat group support to Sized_relobj.
4201         (Relobj::is_section_specially_mapped): Remove.
4202         (Relobj::output_section): Remove poff parameter.  Change all
4203         callers.
4204         (Relobj::output_section_offset): New function.
4205         (Relobj::set_section_offset): Rewrite.
4206         (Relobj::map_to_output): Remove.
4207         (Relobj::output_sections): New function.
4208         (Relobj::do_output_section_offset): New pure virtual function.
4209         (Relobj::do_set_section_offset): Likewise.
4210         (class Sized_relobj): Add section_offsets_ field.  Add comdat
4211         group support from Relobj.  Update declarations.
4212         (Sized_relobj::get_output_section_offset): New function.
4213         (Sized_relobj::do_output_section_offset): New function.
4214         (Sized_relobj::do_set_section_offset): New function.
4215         * object.cc (Relobj::output_section_address): Remove.
4216         (Sized_relobj::Sized_relobj): Initialize new fields.
4217         (Sized_relobj::include_section_group): Cast find_kept_object to
4218         Sized_relobj.
4219         (Sized_relobj::include_linkonce_section): Likewise.
4220         (Sized_relobj::do_layout): Use separate arrays for output section
4221         and output offset.
4222         (Sized_relobj::do_count_local_symbols): Change map_to_output to
4223         output_sections.
4224         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
4225         output_sections and section_offsets.
4226         (Sized_relobj::write_local_symbols): Likewise.
4227         (map_to_kept_section): Compute output address directly.
4228         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
4229         output_sections and section_offsets.
4230         (Sized_relobj::write_sections): Likewise.
4231         (Sized_relobj::relocate_sections): Likewise.
4232         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
4233         * output.h (class Output_reloc): Update declarations.  Change
4234         u2_.relobj to Sized_relobj*.
4235         (class Output_data_reloc): Change add functions to use
4236         Sized_relobj*.
4237         * output.cc (Output_reloc::Output_reloc): Change relobj to
4238         Sized_relobj*.
4239         (Output_reloc::local_section_offset): Change return type to
4240         Elf_Addr.  Use get_output_section_offset.
4241         (Output_reloc::get_address): Likewise.
4242         (Output_section::is_input_address_mapped): Don't call
4243         is_section_specially_mapped.
4244         (Output_section::output_offset): Likewise.
4245         (Output_section::output_address): Likewise.
4246         (Output_section::starting_output_address): Likewise.
4247         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
4248         parameter to Sized_relobj*.
4249         (Copy_relocs::need_copy_reloc): Likewise.
4250         (Copy_relocs::save): Likewise.
4251         * copy-relocs.h (class Copy_relocs): Update declarations.
4252         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
4253         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
4254         * target-reloc.h (relocate_for_relocatable): Change
4255         offset_in_output_section type to Elf_Addr.  Change code that uses
4256         it as well.
4257         * layout.cc (Layout::layout): Always set *off.
4258         * mapfile.cc (Mapfile::print_input_section): Use
4259         output_section_offset.
4260         * i386.cc (Target_i386::copy_reloc): Change object parameter to
4261         Sized_relobj*.
4262         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
4263         * sparc.cc (Target_sparc::copy_reloc): Likewise.
4264         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
4265
4266 2008-07-03  Ian Lance Taylor  <iant@google.com>
4267
4268         * layout.cc (Layout::include_section): Do not discard unrecognized
4269         SHT_STRTAB sections.
4270
4271 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
4272
4273         * script.cc (Lex::can_continue_name): Make '?' allowable in
4274         version-script names.
4275         * testsuite/version_script.map: Change glob pattern to use '?'
4276
4277 2008-06-30  Manish Singh  <yosh@gimp.org>
4278
4279         PR 6585
4280         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
4281         Correct typo.
4282
4283 2008-06-30  Ian Lance Taylor  <iant@google.com>
4284
4285         PR 6660
4286         PR 6682
4287         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
4288         versions]: Don't try to read the value in the contents, since we
4289         don't use it.  Use the template endianness when writing.
4290
4291 2008-06-25  Cary Coutant  <ccoutant@google.com>
4292
4293         * fileread.cc (File_read::make_view): Assert on zero-length view.
4294         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
4295         symbol table when there are no symbols to read.
4296
4297 2008-06-23  Craig Silverstein  <csilvers@google.com>
4298
4299         * version.cc (version_string): Bump to 1.7
4300
4301 2008-06-18  Craig Silverstein  <csilvers@google.com>
4302
4303         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
4304         constant 0xFFFF to type Valtype.
4305         (Powerpc_relocate_functions::rel16_ha): Likewise.
4306
4307 2008-06-17  Ian Lance Taylor  <iant@google.com>
4308
4309         * output.h (Output_section::Input_section): Initialize p2align_ to
4310         zero for Output_section_data constructors.
4311         (Output_section::Input_section::addralign): If not an input
4312         section, return the alignment of the Output_section_data.
4313         * testsuite/copy_test.cc: New file.
4314         * testsuite/copy_test_1.cc: New file.
4315         * testsuite/copy_test_2.cc: New file.
4316         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
4317         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
4318         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
4319         (copy_test_1_pic.o, copy_test_1.so): New targets.
4320         (copy_test_2_pic.o, copy_test_2.so): New targets.
4321         * testsuite/Makefile.in: Rebuild.
4322
4323         * script-sections.cc (Script_sections::place_orphan): Initialize
4324         local variable exact.
4325
4326 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
4327
4328         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
4329
4330 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
4331             David S. Miller  <davem@davemloft.net>
4332
4333         * powerpc.cc: New file.
4334         * Makefile.am (TARGETSOURCES): Add powerpc.cc
4335         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
4336         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
4337         * Makefile.in: Rebuild.
4338
4339 2008-06-09  Ian Lance Taylor  <iant@google.com>
4340
4341         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
4342         <exception>.
4343         (throwing, orig_terminate): New static variables.
4344         (terminate_handler): New static function.
4345         (t2): Set terminate handler.
4346
4347 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
4348
4349         PR 6584
4350         * binary.cc (Binary_to_elf::sized_convert): Fix .data
4351         alignment.
4352
4353 2008-05-30  Cary Coutant  <ccoutant@google.com>
4354
4355         * archive.cc (Archive::include_all_members) Correct to step
4356         over symbol table and extended name table in thin archives.
4357
4358 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
4359
4360         PR 6407
4361         * target-reloc.h (relocate_for_relocatable): Fix new_offset
4362         calculation.
4363
4364 2008-05-28  Caleb Howe  <cshowe@google.com>
4365
4366         * reduced_debug_output.cc: New file.
4367         * reduced_debug_output.h: New file.
4368         * options.h (class General_options): Add --strip-debug-non-line.
4369         * options.cc (General_options::finalize): Add strip_debug_non_line
4370         to the strip heirarchy.
4371         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
4372         fields.
4373         * layout.cc: Include "reduced_debug_output.h".
4374         (Layout::Layout): Initialize new fields.
4375         (line_only_debug_sections): New static array.
4376         (is_lines_only_debug_sections): New static inline function.
4377         (Layout::include_section): Handle --strip-debug-non-line.
4378         (Layout::make_output_section): If --strip-debug-non-line, build
4379         new output sections for .debug_abbrev and .debug_info.
4380         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
4381         gold.  Warn about possible overflow.
4382         (read_signed_LEB_128): Likewise.
4383         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
4384         (read_signed_LEB_128): Declare.
4385         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
4386         (HFILES): Add reduced_debug_output.h.
4387         * Makefile.in: Rebuild.
4388
4389 2008-05-21  Ian Lance Taylor  <iant@google.com>
4390
4391         * mapfile.cc: New file.
4392         * mapfile.h: New file.
4393         * options.h (class General_options): Add -M/--print-map and -Map.
4394         * options.cc (General_options::finalize): Make -M equivalent to
4395         -Map -.
4396         * main.cc: Include <cstdio> and "mapfile.h".
4397         (main): Open mapfile if requested.
4398         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
4399         constructor.  Change caller.
4400         (queue_initial_tasks): Add mapfile parameter.  Change caller.
4401         (queue_middle_tasks): Likewise.
4402         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
4403         declarations.
4404         * archive.cc: Include "mapfile.h".
4405         (Archive::add_symbols): Add mapfile parameter.  Change all
4406         callers.  Pass mapfile, symbol, and reason to include_member.
4407         (Archive::include_all_members): Add mapfile parameter.  Change all
4408         callers.
4409         (Archive::include_member): Add mapfile, sym, and why parameters.
4410         Change all callers.  Report inclusion to map file.
4411         * archive.h: Include "fileread.h".
4412         (class Archive): Update declarations.
4413         (Archive::file): New const method.
4414         (class Add_archive_symbols): Add mapfile_ field.  Update
4415         constructor.  Change all callers.
4416         * readsyms.h (class Read_symbols): Likewise.
4417         (class Finish_group): Likewise.
4418         (class Read_script): Likewise.
4419         * common.cc: Include "mapfile.h".
4420         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
4421         all callers.
4422         (Symbol_table::do_allocate_commons): Likewise.
4423         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
4424         symbol allocation to mapfile.
4425         * common.h (class Allocate_commons_task): Add mapfile_ field.
4426         Update constructor.  Change all callers.
4427         * symtab.h (class Symbol_table): Update declarations.
4428         * layout.cc: Include "mapfile.h".
4429         (Layout_task_runner::run): Print information to mapfile.
4430         (Layout::create_gold_note): Change Output_data_fixed_space to
4431         Output_data_zero_fill.
4432         (Layout::create_build_id): Likewise.
4433         (Layout::print_to_mapfile): New function.
4434         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
4435         constructor.  Change caller.
4436         (class Layout): Declare print_to_mapfile.
4437         * output.cc (Output_section::Input_section::print_to_mapfile): New
4438         function.
4439         (Output_section::add_input_section): If producing a map, always
4440         add to input_sections_ list.
4441         (Output_section::do_print_to_mapfile): New function.
4442         (Output_segment::print_sections_to_mapfile): New function.
4443         (Output_segment::print_section_list_to_mapfile): New function.
4444         * output.h: Include "mapfile.h".
4445         (Output_data::print_to_mapfile): New function.
4446         (Output_data::do_print_to_mapfile): New virtual function.
4447         (Output_segment_headers::do_print_to_mapfile): New function.
4448         (Output_file_header::do_print_to_mapfile): New function.
4449         (Output_data_const::do_print_to_mapfile): New function.
4450         (class Output_data_const_buffer): Add map_name_ field.  Update
4451         constructor.  Change all callers.  Add do_print_to_mapfile
4452         function.
4453         (class Output_data_fixed_space): Likewise.
4454         (class Output_data_space): Likewise.
4455         (class Output_data_zero_fill): New class.
4456         (Output_data_strtab::do_print_to_mapfile): New function.
4457         (Output_data_reloc_base::do_print_to_mapfile): New function.
4458         (Output_relocatable_relocs::do_print_to_mapfile): New function.
4459         (Output_data_group::do_print_to_mapfile): New function.
4460         (Output_data_got::do_print_to_mapfile): New function.
4461         (Output_data_dynamic::do_print_to_mapfile): New function.
4462         (Output_symtab_xindex::do_print_to_mapfile): New function.
4463         (class Output_section): Declare do_print_to_mapflie.  Declare
4464         print_to_mapfile in Input_section.
4465         (class Output_segment): Declare new functions.
4466         * object.h (Sized_relobj::symbol_count): New function.
4467         * script-sections.cc
4468         (Output_section_element_dot_assignment::set_section_addresses):
4469         Change Output_data_fixed_space to Output_data_zero_fill.
4470         (Output_data_expression::do_print_to_mapfile): New function.
4471         * script.cc (read_input_script): Add mapfile parameter.  Change
4472         all callers.
4473         * script.h (read_input_script): Update declaration.
4474         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
4475         (Eh_frame::do_print_to_mapfile): New function.
4476         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
4477         (Output_merge_string::do_print_to_mapfile): New function.
4478         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
4479         function.
4480         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
4481         function.
4482         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
4483         function.
4484         * Makefile.am (CCFILES): Add mapfile.cc.
4485         (HFILES): Add mapfile.h.
4486         * Makefile.in: Rebuild.
4487
4488 2008-05-19  Ian Lance Taylor  <iant@google.com>
4489
4490         * options.h (class General_options): Add -z relro.
4491         * layout.cc (Layout::Layout): Initialize relro_segment_.
4492         (Layout::add_output_section_data): Return the output section.
4493         (Layout::make_output_section): Rcognize relro sections and mark
4494         them appropriately.
4495         (Layout::attach_allocated_section_to_segment): Put relro sections
4496         in a PT_GNU_RELRO segment.
4497         (Layout::create_initial_dynamic_sections): Mark the .dynamic
4498         section as relro.
4499         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
4500         PT_TLS segments.
4501         (Layout::linkonce_mapping): Map d.rel.ro.local to
4502         .data.rel.ro.local.
4503         (Layout::output_section_name): Us .data.rel.ro.local for any
4504         section which begins with that.
4505         * layout.h (class Layout): Update add_output_section_data
4506         declaration.  Add relro_segment_ field.
4507         * output.cc (Output_section::Output_section): Initialize is_relro_
4508         and is_relro_local_ fields.
4509         (Output_segment::add_output_section): Group relro sections.
4510         (Output_segment::is_first_section_relro): New function.
4511         (Output_segment::maximum_alignment): If there is a relro section,
4512         align the segment to the common page size.
4513         (Output_segment::set_section_addresses): Track whether we are
4514         looking at relro sections.  If the last section is a relro
4515         section, align to the common page size.
4516         (Output_segment::set_section_list_addresses): Add in_relro
4517         parameter.  Change all callers.  Align to the page size when
4518         moving from relro to non-relro section.
4519         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
4520         segment.
4521         * output.h (class Output_section): Add is_relro_ and
4522         is_relro_local_ fields.
4523         (Output_section::is_relro): New function.
4524         (Output_section::set_is_relro): New function.
4525         (Output_section::is_relro_local): New function.
4526         (Output_section::set_is_relro_local): New function.
4527         (class Output_segment): Update declarations.
4528         * i386.cc (Target_i386::got_section): Mark .got section as relro.
4529         * sparc.cc (Target_sparc::got_section): Likewise.
4530         * x86_64.cc (Target_x86_64::got_section): Likewise.
4531         * testsuite/relro_test_main.cc: New file.
4532         * testsuite/relro_test.cc: New file.
4533         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
4534         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
4535         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
4536         (relro_test.so, relro_test_pic.o): New targets.
4537         * testsuite/Makefile.in: Rebuild.
4538
4539 2008-05-16  Ian Lance Taylor  <iant@google.com>
4540
4541         * output.cc (Output_segment::add_output_section): Remove front
4542         parameter.
4543         * output.h (class Output_segment): Remove
4544         add_initial_output_section and overloaded add_output_section.
4545         Update declaration of remaining add_output_section.
4546         * layout.cc (Layout::create_interp): Call add_output_section
4547         rather than add_initial_output_section.
4548         (Layout::finish_dynamic_section): Likewise.
4549
4550         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
4551         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
4552         know the dynamic type.
4553         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
4554         field.  Initialize it in constructor.
4555         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
4556         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
4557         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
4558         reloc.
4559
4560         * output.cc (Output_reloc::get_address): Change return type to
4561         Elf_Addr.
4562         * output.h (class Output_reloc): Update get_address declaration.
4563         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
4564         for section addresses.
4565
4566 2008-05-09  Ian Lance Taylor  <iant@google.com>
4567
4568         PR 6493
4569         * gold.cc (gold_nomem): Use return value of write.
4570
4571 2008-05-08  Ian Lance Taylor  <iant@google.com>
4572
4573         * symtab.c (Symbol::init_base_output_data): Add version
4574         parameter.  Change all callers.
4575         (Symbol::init_base_output_segment): Likewise.
4576         (Symbol::init_base_constant): Likewise.
4577         (Symbol::init_base_undefined): Likewise.
4578         (Sized_symbol::init_output_data): Likewise.
4579         (Sized_symbol::init_output_segment): Likewise.
4580         (Sized_symbol::init_constant): Likewise.
4581         (Sized_symbol::init_undefined): Likewise.
4582         (Symbol_table::do_define_in_output_data): If the new symbol has a
4583         version, mark it as the default.
4584         (Symbol_table::do_define_in_output_segment): Likewise.
4585         (Symbol_table::do_define_as_constant): Likewise.
4586         * symtab.h (class Symbol): Update declarations.
4587         (class Sized_symbol): Likewise.
4588         * resolve.cc (Symbol::override_version): New function.
4589         (Symbol::override_base): Call override_version.
4590         (Symbol::override_base_with_special): Likewise.
4591         * testsuite/ver_script_8.script: New file.
4592         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
4593         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
4594         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
4595         (ver_test_8_1.so, ver_test_8_2.so): New targets.
4596
4597 2008-05-06  Ian Lance Taylor  <iant@google.com>
4598
4599         PR 6049
4600         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
4601         functions.
4602         (class General_options): Remove existing --undefined, and add
4603         --no-undefined instead.  Add new --undefined as synonym for -u.
4604         * archive.cc (Archive::add_symbols): Check whether symbol was
4605         named with -u.
4606         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
4607         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
4608         all uses.  Add IS_UNDEFINED.  Update declarations to split
4609         different versions of init_base.  Declare init_base_undefined.
4610         (Symbol::is_defined): Handle IS_UNDEFINED.
4611         (Symbol::is_undefined): Likewise.
4612         (Symbol::is_weak_undefined): Call is_undefined.
4613         (Symbol::is_absolute): Handle IS_CONSTANT.
4614         (class Sized_symbol): Update declarations to split different
4615         versions of init.  Declare init_undefined.
4616         (class Symbol_table): Declare new functions.
4617         * symtab.cc (Symbol::init_base_object): Rename from init_base.
4618         Change all callers.
4619         (Symbol::init_base_output_data): Likewise.
4620         (Symbol::init_base_output_segment): Likewise.
4621         (Symbol::init_base_constant): Likewise.
4622         (Symbol::init_base_undefined): New function.
4623         (Sized_symbol::init_object): Rename from init.  Change all
4624         callers.
4625         (Sized_symbol::init_output_data): Likewise.
4626         (Sized_symbol::init_output_segment): Likewise.
4627         (Sized_symbol::init_constant): Likewise.
4628         (Sized_symbol::init_undefined): New function.
4629         (Symbol_table::add_undefined_symbols_from_command_line): New
4630         function.
4631         (Symbol_table::do_add_undefined_symbols_from_command_line): New
4632         function.
4633         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
4634         (Symbol::output_section): Likewise.
4635         (Symbol::set_output_section): Likewise.
4636         (Symbol_table::sized_finalize_symbol): Likewise.
4637         (Symbol_table::sized_write_globals): Likewise.
4638         * resolve.cc (Symbol_table::should_override): Likewise.
4639         (Symbol::override_base_with_special): Likewise.
4640
4641         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
4642         symbol, change it to have default visibility.
4643         * testsuite/protected_1.cc: New file.
4644         * testsuite/protected_2.cc: New file.
4645         * testsuite/protected_3.cc: New file.
4646         * testsuite/protected_main_1.cc: New file.
4647         * testsuite/protected_main_2.cc: New file.
4648         * testsuite/protected_main_3.cc: New file.
4649         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
4650         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
4651         (protected_1_LDFLAGS, protected_1_LDADD): Define.
4652         (protected_1.so): New target.
4653         (protected_1_pic.o, protected_2_pic.o): New targets.
4654         (protected_3_pic.o): New target.
4655         (check_PROGRAMS): Add protected_2.
4656         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
4657         (protected_2_LDFLAGS, protected_2_LDADD): Define.
4658         * testsuite/Makefile.in: Rebuild.
4659
4660         * options.h (DEFINE_var): Add set_user_set_##varname__.
4661         (DEFINE_bool_alias): New macro.
4662         (class General_options): Define -Bstatic using DEFINE_bool_alias
4663         rather than DEFINE_special.  Add --undefined as an alias for -z
4664         defs.
4665         * options.cc (General_options::parse_Bstatic): Remove.
4666
4667         * options.h (class General_options): Add --fatal-warnings.
4668         * main.cc (main): Implement --fatal-warnings.
4669         * errors.h (Errors::warning_count): New function.
4670
4671         * options.h (class General_options): Add -Bsymbolic-functions.
4672         * symtab.h (Symbol::is_preemptible): Check for
4673         -Bsymbolic-functions.
4674
4675 2008-05-05  Ian Lance Taylor  <iant@google.com>
4676
4677         * options.h (DEFINE_bool): For DASH_Z, create the negative option
4678         as noVARNAME rather than no-VARNAME.
4679         (class General_options): Add option -z combreloc.
4680         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
4681         get_address.
4682         (Output_reloc::sort_before) [SHT_REL]: New function.
4683         (Output_reloc::sort_before) [SHT_RELA]: New function.
4684         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
4685         Sort_relocs_comparison.
4686         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
4687         parameter.  Change all callers.
4688         (Output_data_reloc::Output_data_reloc) [both versions]: Add
4689         sort_relocs parameter.  Change all callers.
4690         * output.cc (Output_reloc::get_address): New function, broken out
4691         of write_rel.
4692         (Output_reloc::write_rel): Call it.
4693         (Output_reloc::compare): New function.
4694         (Output_data_reloc_base::do_write): Optionally sort relocs.
4695
4696         * configure.ac: If targ_extra_obj is set, link it in.
4697         * configure.tgt: Initialize all variables.
4698         (x86_64*): Set targ_extra_obj and targ_extra_size.
4699         * configure: Rebuild.
4700
4701         * object.cc (Sized_relobj::include_section_group): Adjust section
4702         indexes read from group data.  Build vector to pass to
4703         layout_group.
4704         * layout.cc (Layout::layout_group): Add flags and shndxes
4705         parameters.  Remove contents parameter.  Change caller.  Update
4706         explicit instantiations.
4707         * layout.h (class Layout): Update layout_group declaration.
4708         * output.cc (Output_data_group::Output_data_group): Add flags and
4709         input_shndxes parameters.  Remove contents parameter.  Change
4710         caller.
4711         (Output_data_group::do_write): Change input_sections_ to
4712         input_shndxes_.
4713         * output.h (class Output_data_group): Update constructor
4714         declaration.  Rename input_sections_ to input_shndxes_.
4715         * testsuite/many_sections_test.cc: Add template.
4716
4717 2008-04-30  Cary Coutant  <ccoutant@google.com>
4718
4719         * target-reloc.h (relocate_section): Fix dead-pointer bug.
4720
4721         * layout.cc (Layout::include_section): Refactored check for debug
4722         info section.
4723         (Layout::add_comdat): Add new parameters.  Change type
4724         of signature parameter.  Add object and shndx to signatures table.
4725         (Layout::find_kept_object): New function.
4726         * layout.h: Include <cstring>.
4727         (Layout::is_debug_info_section): New function.
4728         (Layout::add_comdat): Add new parameters.
4729         (Layout::find_kept_object): New function.
4730         (Layout::Kept_section): New struct.
4731         (Layout::Signatures): Change type of map range.
4732         * object.cc (Relobj::output_section_address): New function.
4733         (Sized_relobj::include_section_group): Add new parameters.  Change
4734         calls to Layout::add_comdat.  Change to build table of kept comdat
4735         groups and table mapping discarded sections to kept sections.
4736         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
4737         (Sized_relobj::do_layout): Change calls to include_section_group and
4738         include_linkonce_section.
4739         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
4740         value to zero when section is discarded.
4741         (Sized_relobj::map_to_kept_section): New function.
4742         * object.h (Relobj::output_section_address): New function.
4743         (Relobj::Comdat_group): New type.
4744         (Relobj::find_comdat_group): New function.
4745         (Relobj::Comdat_group_table): New type.
4746         (Relobj::Kept_comdat_section): New type.
4747         (Relobj::Kept_comdat_section_table): New type.
4748         (Relobj::add_comdat_group): New function.
4749         (Relobj::set_kept_comdat_section): New function.
4750         (Relobj::get_kept_comdat_section): New function.
4751         (Relobj::comdat_groups_): New field.
4752         (Relobj::kept_comdat_sections_): New field.
4753         (Symbol_value::input_value): Update comment.
4754         (Sized_relobj::map_to_kept_section) New function.
4755         (Sized_relobj::include_linkonce_section): Add new parameter.
4756         * target-reloc.h (Comdat_behavior): New type.
4757         (get_comdat_behavior): New function.
4758         (relocate_section): Add code to map a discarded section to the
4759         corresponding kept section when applying a relocation.
4760
4761 2008-04-30  Craig Silverstein  <csilvers@google.com>
4762
4763         * dwarf_reader.cc (next_generation_count): New static var.
4764         (Addr2line_cache_entry): New struct.
4765         (addr2line_cache): New static var.
4766         (Dwarf_line_info::one_addr2line): Added caching.
4767         (Dwarf_line_info::clear_addr2line_cache): New function.
4768         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
4769         cache-size parameter.
4770         (Dwarf_line_info::one_addr2line_cache): New function.
4771         * symtab.cc (Symbol_table::detect_odr_violations): Pass
4772         new cache-size argument to one_addr2line(), and clear cache.
4773
4774 2008-04-28  Cary Coutant  <ccoutant@google.com>
4775
4776         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
4777         R_386_PC8 relocations.
4778
4779 2008-04-23  Ian Lance Taylor  <iant@google.com>
4780
4781         * object.cc (Sized_relobj::include_section_group): Check for
4782         invalid section group.
4783
4784         * object.cc (make_elf_object): Correct test for 64-bit ELF file
4785         header size.
4786
4787         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
4788         than read for file header.
4789         * archive.cc (Archive::include_member): Likewise.
4790
4791 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
4792
4793         * aclocal.m4: Regenerate.
4794         * configure: Regenerate.
4795
4796 2008-04-19  Ian Lance Taylor  <iant@google.com>
4797
4798         * version.cc (version_string): Bump to 1.6.
4799
4800         * testsuite/Makefile.am (many_sections_r_test): New target.
4801         (many_sections_r_test_SOURCES): Remove.
4802         (many_sections_r_test_DEPENDENCIES): Remove.
4803         (many_sections_r_test_LDFLAGS): Remove.
4804         (many_sections_r_test_LDADD): Remove.
4805
4806         * object.cc (Sized_relobj::do_add_symbols): Always pass
4807         local_symbol_count_ to add_from_relobj.
4808
4809         * testsuite/Makefile.am (many_sections_check.h): Only check one in
4810         every thousand variables.
4811         * testsuite/Makefile.in: Rebuild.
4812
4813         * object.cc (Xindex::initialize_symtab_xindex): New function.
4814         (Xindex::read_symtab_xindex): New function.
4815         (Xindex::sym_xindex_to_shndx): New function.
4816         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
4817         available.
4818         (Sized_relobj::do_initialize_xindex): New function.
4819         (Sized_relobj::do_read_symbols): Adjust section links.
4820         (Sized_relobj::symbol_section_and_value): Add is_ordinary
4821         parameter.  Change all callers.
4822         (Sized_relobj::include_section_group): Adjust section links and
4823         symbol section indexes.
4824         (Sized_relobj::do_layout): Adjust section links.
4825         (Sized_relobj::do_count_local_symbols): Adjust section links and
4826         symbol section indexes.
4827         (Sized_relobj::do_finalize_local_symbols): Distinguish between
4828         ordinary and special symbols.
4829         (Sized_relobj::write_local_symbols): Add symtab_xindex and
4830         dynsym_xindex parameters.  Change all callers.  Adjust section
4831         links.  Use SHN_XINDEX when needed.
4832         (Sized_relobj::get_symbol_location_info): Adjust section links.
4833         Don't get fooled by special symbols.
4834         * object.h (class Xindex): Define.
4835         (class Object): Add xindex_ parameter.  Declare virtual functoin
4836         do_initialize_xindex.
4837         (Object::adjust_sym_shndx): New function.
4838         (Object::set_xindex): New protected function.
4839         (class Symbol_value): Add is_ordinary_shndx_ field.
4840         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
4841         (Symbol_value::value): Assert ordinary section.
4842         (Symbol_value::initialize_input_to_output_map): Likewise.
4843         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
4844         Change all callers.
4845         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
4846         all callers.
4847         (class Sized_relobj): Update declarations.
4848         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
4849         parameter.  Change all callers.
4850         (Sized_relobj::adjust_shndx): New function.
4851         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
4852         field.
4853         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
4854         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
4855         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
4856         (Sized_dynobj::read_dynsym_section): Adjust section links.
4857         (Sized_dynobj::read_dynamic): Likewise.
4858         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
4859         section links.
4860         (Sized_dynobj::do_initialize_xindex): New function.
4861         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
4862         do_initialize_xindex.
4863         (Sized_dynobj::adjust_shndx): New function.
4864         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
4865         dynsym_xindex_ fields.
4866         (Layout::finalize): Add a call to set_section_indexes before
4867         creating the symtab sections.
4868         (Layout::set_section_indexes): Don't do anything if the section
4869         already has a section index.
4870         (Layout::create_symtab_sections): Add shnum parameter.  Change
4871         caller.  Create .symtab_shndx section if needed.
4872         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
4873         caller.
4874         (Layout::allocated_output_section_count): New function.
4875         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
4876         needed.
4877         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
4878         fields.  Update declarations.
4879         (Layout::symtab_xindex): New function.
4880         (Layout::dynsym_xindex): New function.
4881         (class Write_symbols_task): Add layout_ field.
4882         (Write_symbols_task::Write_symbols_task): Add layout parameter.
4883         Change caller.
4884         * output.cc (Output_section_headers::Output_section_headers): Add
4885         shstrtab_section parameter.  Change all callers.
4886         (Output_section_headers::do_sized_write): Store overflow values
4887         for section count and section string table section index in
4888         section header zero.
4889         (Output_file_header::do_sized_write): Check for overflow of
4890         section count and section string table section index.
4891         (Output_symtab_xindex::do_write): New function.
4892         (Output_symtab_xindex::endian_do_write): New function.
4893         * output.h (class Output_section_headers): Add shstrtab_section_.
4894         Update declarations.
4895         (class Output_symtab_xindex): Define.
4896         (Output_section::has_out_shndx): New function.
4897         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
4898         field.
4899         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
4900         Change all callers.
4901         (Sized_symbol::init): Likewise.
4902         (Symbol::output_section): Check for ordinary symbol.
4903         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
4904         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
4905         callers.
4906         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
4907         Change all callers.  Simplify handling of symbols from sections
4908         not included in the link.
4909         (Symbol_table::add_from_dynobj): Handle ordinary symbol
4910         distinction.
4911         (Weak_alias_sorter::operator()): Assert that symbols are
4912         ordinary.
4913         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
4914         distinction.
4915         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
4916         parameters.  Change all callers.
4917         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
4918         symbol distinction.  Use SHN_XINDEX when needed.
4919         (Symbol_table::write_section_symbol): Add symtab_xindex
4920         parameter.  Change all callers.
4921         (Symbol_table::sized_write_section_symbol): Likewise.  Use
4922         SHN_XINDEX when needed.
4923         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
4924         declarations.
4925         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
4926         (Symbol::is_defined): Check is_ordinary.
4927         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
4928         (Symbol::is_absolute, Symbol::is_common): Likewise.
4929         (class Sized_symbol): Update declarations.
4930         (class Symbol_table): Update declarations.
4931         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
4932         parameters.  Change all callers.
4933         (Sized_symbol::override): Likewise.
4934         (Symbol_table::override): Likewise.
4935         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
4936         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
4937         is_ordinary, and orig_st_shndx parameters.  Change all callers.
4938         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
4939         to be in an ordinary section.
4940         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
4941         object and is_ordinary parameters.  Change all callers.
4942         (Sized_dwarf_line_info::read_relocs): Add object parameter.
4943         Change all callers.  Don't add undefined or non-ordinary symbols
4944         to reloc_map_.
4945         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
4946         Change all callers.
4947         * dwarf_reader.h (class Sized_dwarf_line_info): Update
4948         declarations.
4949         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
4950         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
4951         (Sized_relobj::relocate_sections): Likewise.
4952         * target-reloc.h (scan_relocs): Adjust section symbol index.
4953         (scan_relocatable_relocs): Likewise.
4954         * i386.cc (Scan::local): Check for ordinary symbols.
4955         * sparc.cc (Scan::local): Likewise.
4956         * x86_64.cc (Scan::local): Likewise.
4957         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
4958         to symbol_section_and_value.
4959         * testsuite/many_sections_test.cc: New file.
4960         * testsuite/Makefile.am (BUILT_SOURCES): Define.
4961         (check_PROGRAMS): Add many_sections_test.
4962         (many_sections_test_SOURCES): Define.
4963         (many_sections_test_DEPENDENCIES): Define.
4964         (many_sections_test_LDFLAGS): Define.
4965         (BUILT_SOURCES): Add many_sections_define.h.
4966         (many_sections_define.h): New target.
4967         (BUILT_SOURCES): Add many_sections_check.h.
4968         (many_sections_check.h): New target.
4969         (check_PROGRAMS): Add many_sections_r_test.
4970         (many_sections_r_test_SOURCES): Define.
4971         (many_sections_r_test_DEPENDENCIES): Define.
4972         (many_sections_r_test_LDFLAGS): Define.
4973         (many_sections_r_test_LDADD): Define.
4974         (many_sections_r_test.o): New target.
4975         * testsuite/Makefile.in: Rebuild.
4976
4977 2008-04-17  Cary Coutant  <ccoutant@google.com>
4978
4979         * errors.cc (Errors::info): New function.
4980         (gold_info): New function.
4981         * errors.h (Errors::info): New function.
4982         * gold.h (gold_info): New function.
4983         * object.cc (Input_objects::add_object): Print trace output.
4984         * options.cc (options::parse_set): New function.
4985         (General_options::parse_wrap): Deleted.
4986         (General_options::General_options): Deleted initializer.
4987         * options.h (options::String_set): New typedef.
4988         (options::parse_set): New function.
4989         (DEFINE_set): New macro.
4990         (General_options::wrap): Changed to use DEFINE_set. Changed
4991         callers of any_wrap_symbols and is_wrap_symbol.
4992         (General_options::trace, General_options::trace_symbol):
4993         New options.
4994         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
4995         (General_options::wrap_symbols_): Deleted.
4996         * symtab.cc (Symbol_table::add_from_object): Print trace output.
4997
4998 2008-04-17  David S. Miller  <davem@davemloft.net>
4999
5000         * options.cc (General_options::parse_V): New function.
5001         * options.h: Add entries for -V and -Qy.
5002
5003 2008-04-17  Ian Lance Taylor  <iant@google.com>
5004
5005         * common.cc (Symbol_table::allocate_commons): Remove options
5006         parameter.  Change caller.
5007         (Symbol_table::do_allocate_commons): Remove options parameter.
5008         Change caller.  Just call do_allocate_commons_list twice.
5009         (Symbol_table::do_allocate_commons_list): New function, broken out
5010         of do_allocate_commons.
5011         * common.h (class Allocate_commons_task): Remove options_ field.
5012         Update constructor.
5013         * symtab.cc (Symbol_table::Symbol_table): Initialize
5014         tls_commons_.
5015         (Symbol_table::add_from_object): Put TLS common symbols on
5016         tls_commons_ list.
5017         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
5018         which are IN_OUTPUT_DATA.
5019         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
5020         allocate_commons and do_allocate_commons declarations.  Declare
5021         do_allocate_commons_list.
5022         * gold.cc (queue_middle_tasks): Update creation of
5023         Allocate_commons_task to not pass options.
5024         * testsuite/Makefile.am (INCLUDES): Add -I.. .
5025         (TLS_TEST_C_FLAGS): New variable.
5026         (tls_test_c_pic.o): New target.
5027         (tls_test_shared.so): Link in tls_test_c_pic.o.
5028         (tls_test_c_pic_ie.o): New target.
5029         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
5030         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
5031         (tls_test_c.o): New target.
5032         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
5033         (tls_pic_test_LDADD): Likewise.
5034         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
5035         (tls_shared_gd_to_ie_test_LDADD): Likewise.
5036         (tls_test_c_gnu2.o): New target.
5037         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
5038         tls_test_c_gnu2.o.
5039         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
5040         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
5041         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
5042         * testsuite/tls_test.cc: Include "config.h".
5043         (t_last): Call t11_last.
5044         * testsuite/tls_test.h (t11, t11_last): Declare.
5045         * testsuite/tls_test_c.c: New file.
5046         * testsuite/tls_test_main.cc (thread_routine): Call t11.
5047         * configure.ac: Check for OpenMP support.
5048         * configure, config.in, Makefile.in: Rebuild.
5049         * testsuite/Makefile.in: Rebuild.
5050
5051 2008-04-16  Cary Coutant  <ccoutant@google.com>
5052
5053         * i386.cc (Target_i386::define_tls_base_symbol): New function.
5054         (Target_i386::tls_base_symbol_defined_): New field.
5055         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
5056         (Target_i386::Scan::global): Likewise.
5057         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
5058         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
5059         (Target_x86_64::tls_base_symbol_defined_): New field.
5060         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
5061         (Target_x86_64::Scan::global): Likewise.
5062
5063 2008-04-16  Cary Coutant  <ccoutant@google.com>
5064
5065         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
5066         (Symbol::needs_plt_entry): Allow weak undefined symbols.
5067         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
5068         building shared libraries.
5069         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
5070         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
5071         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
5072         * testsuite/Makefile.in: Rebuild.
5073         * testsuite/weak_undef.h: New file.
5074         * testsuite/weak_undef_file1.cc: Add extra test cases.
5075         * testsuite/weak_undef_file2.cc: Likewise.
5076         * testsuite/weak_undef_test.cc: Likewise.
5077
5078 2008-04-16  David S. Miller  <davem@davemloft.net>
5079
5080         * sparc.cc (Target_sparc::Scan): Change from struct to class.
5081         Add issued_non_pic_error_ field.  Declare check_non_pic.
5082         (Target_sparc::Scan::check_non_pic): New function.
5083         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
5084         (Target_sparc::Scan::global): Likewise.
5085
5086         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
5087         * configure: Rebuild.
5088
5089         * options.h (DEFINE_enable): New macro.
5090         (new_dtags): New enable option.
5091         (initfirst, interpose, loadfltr, nodefaultlib,
5092         nodelete, nodlopen, nodump): New -z options.
5093         * layout.cc (Layout:finish_dynamic_section): If new
5094         dtags enabled, emit DT_RUNPATH.  Also, emit a
5095         DT_FLAGS_1 containing any specified -z flags.
5096
5097 2008-04-16  Ian Lance Taylor  <iant@google.com>
5098
5099         * copy-relocs.cc: New file.
5100         * copy-relocs.h: New file.
5101         * reloc.cc: Remove Copy_relocs code.
5102         * reloc.h: Likewise.
5103         * reloc-types.h (struct Reloc_types) [both versions]: Add
5104         get_reloc_addend_noerror.
5105         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
5106         variants of add_global which take an addend which must be zero.
5107         * i386.cc: Include "copy-relocs.h".
5108         (class Target_i386): Change type of copy_relocs_ to variable,
5109         update initializer.
5110         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
5111         Change all callers.
5112         (Target_i386::do_finalize_sections): Change handling of
5113         copy_relocs_.
5114         * sparc.cc: Include "copy-relocs.h".
5115         (class Target_sparc): Change type of copy_relocs_ to variable,
5116         update initializer.
5117         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
5118         Change all callers.
5119         (Target_sparc::do_finalize_sections): Change handling of
5120         copy_relocs_.
5121         * x86_64.cc: Include "copy-relocs.h".
5122         (class Target_x86_64): Change type of copy_relocs_ to variable,
5123         update initializer.
5124         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
5125         class.  Change all callers.
5126         (Target_x86_64::do_finalize_sections): Change handling of
5127         copy_relocs_.
5128         * Makefile.am (CCFILES): Add copy-relocs.cc.
5129         (HFILES): Add copy-relocs.h.
5130
5131         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
5132
5133         * testsuite/script_test_4.sh: Permit leading zeroes.
5134
5135 2008-04-15  Ian Lance Taylor  <iant@google.com>
5136
5137         * script-sections.cc (Script_sections::create_segments): Use
5138         header_size_adjustment even when there is enough room for the
5139         headers.
5140         * testsuite/script_test_4.sh: New file.
5141         * testsuite/script_test_4.t: New file.
5142         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
5143         (check_DATA): Add script_test_4.stdout.
5144         (MOSTLYCLEANFILES): Likewise.
5145         (script_test_4): New target.
5146         (script_test_4.stdout): New target.
5147         * testsuite/Makefile.in: Rebuild.
5148
5149         * sparc.cc: Add definitions for Output_data_plt_sparc class
5150         constants.
5151
5152 2008-04-14  David S. Miller  <davem@davemloft.net>
5153
5154         * sparc.cc: New file.
5155         * Makefile.am (TARGETSOURCES): Add sparc.cc
5156         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
5157         * configure.tgt: Document targ_extra_size and
5158         targ_extra_big_endian.  Add entries for sparc-* and
5159         sparc64-*.
5160         * configure.ac: Handle targ_extra_size and
5161         targ_extra_big_endian.
5162         * Makefile.in: Rebuild.
5163         * configure: Likewise.
5164         * po/POTFILES.in: Likewise.
5165         * po/gold.pot: Likewise.
5166
5167 2008-04-14  Ian Lance Taylor  <iant@google.com>
5168
5169         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
5170         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
5171         in the name/type/flags to section mapping.  Don't call
5172         allocate_output_section.
5173         (Layout::choose_output_section): Change parameter from adjust_name
5174         to is_input_section.  Don't permit input sections after sections
5175         are attached to segments.  Don't call allocate_output_section.
5176         (Layout::layout_eh_frame): Call update_flags_for_input_section,
5177         not write_enable_output_section.
5178         (Layout::make_output_section): Don't push to
5179         unattached_section_list_ nor call attach_to_segment.  Call
5180         attach_section_to_segment if sections are attached.
5181         (Layout::attach_sections_to_segments): New function.
5182         (Layout::attach_section_to_segment): New function.
5183         (Layout::attach_allocated_section_to_segment): Rename from
5184         attach_to_segment.  Remove flags parameter.
5185         (Layout::allocate_output_section): Remove function.
5186         (Layout::write_enable_output_section): Remove function.
5187         * layout.h (class Layout): Update for above changes.  Add new
5188         field sections_are_attached_.
5189         * output.h (Output_section::update_flags_for_input_section): New
5190         function.
5191         * output.cc (Output_section::add_input_section): Call
5192         update_flags_for_input_section.
5193         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
5194
5195 2008-04-11  Cary Coutant  <ccoutant@google.com>
5196
5197         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
5198         thought unnecessary.
5199         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
5200
5201 2008-04-11  Ian Lance Taylor  <iant@google.com>
5202
5203         * output.h (class Output_section_data): Remove inline definition
5204         of set_addralign.
5205         * output.cc (Output_section_data::set_addralign): New function.
5206
5207 2008-04-11  Cary Coutant  <ccoutant@google.com>
5208
5209         Add support for TLS descriptors for i386 and x86_64.
5210         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
5211         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
5212         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
5213         GOT_TYPE_TLS_DESC.
5214         (Target_i386::got_mod_index_entry): Remove unnecessary code.
5215         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
5216         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
5217         relocations.
5218         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
5219         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
5220         Fix problem with initial-exec relocations.
5221         (Target_i386::Relocate::relocate_tls): Likewise.
5222         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
5223         relaxation.
5224         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
5225         support for section-plus-offset dynamic table entries.
5226         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
5227         (Output_data_dynamic::Dynamic_entry): Add support for
5228         section-plus-offset dynamic table entries.
5229         (Output_data_dynamic::Classification): Likewise.
5230         (Output_data_dynamic::classification_): Renamed offset_.
5231         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
5232         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
5233         (Target_x86_64::make_plt_section): New function.
5234         (Target_x86_64::reserve_tlsdesc_entries): New function.
5235         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
5236         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
5237         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
5238         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
5239         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
5240         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
5241         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
5242         add extra PLT entry for TLS descriptors.
5243         (Output_data_plt_x86_64::got_): New field.
5244         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
5245         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
5246         fields.
5247         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
5248         descriptors.
5249         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
5250         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
5251         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
5252         R_386_TLS_DESC_CALL relocations.
5253         (Target_x86_64::Scan::global): Likewise.
5254         (Target_x86_64::do_finalize_sections): Add dynamic table entries
5255         for TLS descriptors.
5256         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
5257         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
5258         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
5259         GD-to-IE relaxation.
5260         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
5261         and TLS_DESCRIPTORS.
5262         * Makefile.in: Rebuild.
5263         * configure: Rebuild.
5264         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
5265         (tls_test_shared2.so): New target.
5266         (tls_shared_gd_to_ie_test_SOURCES): New variable.
5267         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
5268         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
5269         (tls_shared_gd_to_ie_test_LDADD): New variable.
5270         (tls_shared_gnu2_gd_to_ie_test): New target.
5271         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
5272         New targets.
5273         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
5274         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
5275         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
5276         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
5277         (tls_shared_gnu2_test): New target.
5278         (tls_test_gnu2_shared.so): New target.
5279         (tls_shared_gnu2_test_SOURCES): New variable.
5280         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
5281         (tls_shared_gnu2_test_LDFLAGS): New variable.
5282         (tls_shared_gnu2_test_LDADD): New variable.
5283         * testsuite/Makefile.in: Rebuild.
5284         * testsuite/Makefile.
5285
5286 2008-04-11  Ian Lance Taylor  <iant@google.com>
5287
5288         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
5289         justsyms.t.
5290         * testsuite/Makefile.in: Rebuild.
5291
5292         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
5293         long.
5294         * testsuite/script_test_2.cc (main): Adjust test.
5295
5296 2008-04-11  David S. Miller  <davem@davemloft.net>
5297             Ian Lance Taylor  <iant@google.com>
5298
5299         * options.h (General_options): Add entries for '-Y' and
5300         '-relax'.
5301         * options.cc (General_options:finalize): If -Y was used, add those
5302         entries to the library path instead of the default "/lib" and
5303         "/usr/lib".
5304
5305 2008-04-11  David S. Miller  <davem@davemloft.net>
5306
5307         * testsuite/justsyms.t: Start at 0x100.
5308         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
5309         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
5310         long.
5311         * testsuite/script_test_2.cc: Adjust string and section length
5312         checks.
5313
5314 2008-04-09  Ian Lance Taylor  <iant@google.com>
5315
5316         PR gold/5996
5317         * script-sections.cc (Sections_element::allocate_to_segment): Add
5318         orphan parameter.
5319         (Output_section_definition::allocate_to_segment): Likewise.
5320         (Orphan_output_section::allocate_to_segment): Likewise.
5321         (Script_sections::attach_sections_using_phdrs_clause): Don't
5322         propagate non-PT_LOAD segments to orphan sections.
5323         * testsuite/Makefile.am (script_test_3.stdout): Generate using
5324         readelf rather than objdump.
5325         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
5326         .interp section and PT_INTERP segment are the same size.
5327         * testsuite/Makefile.in: Rebuild.
5328
5329         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
5330         aliases for symbols defined in the same object.
5331         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
5332         (weak_alias_test_SOURCES): New variable.
5333         (weak_alias_test_DEPENDENCIES): New variable.
5334         (weak_alias_test_LDFLAGS): New variable.
5335         (weak_alias_test_LDADD): New variable.
5336         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
5337         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
5338         (weak_alias_test_3.o): New target.
5339         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
5340         * testsuite/weak_alias_test_main.cc: New file.
5341         * testsuite/weak_alias_test_1.cc: New file.
5342         * testsuite/weak_alias_test_2.cc: New file.
5343         * testsuite/weak_alias_test_3.cc: New file.
5344
5345 2008-04-08  Ian Lance Taylor  <iant@google.com>
5346
5347         * options.h (class General_options): Add --noinhibit-exec option.
5348         * main.cc (main): Check --noinhibit-exec.
5349
5350         * options.h (class General_options): Define --wrap as a special
5351         option.  Add wrap_symbols_ field.
5352         (General_options::any_wrap_symbols): New function.
5353         (General_options::is_wrap_symbol): New function.
5354         * options.cc (General_options::parse_wrap): New function.
5355         (General_options::General_options): Initialize wrap_symbols_.
5356         * symtab.cc (Symbol_table::wrap_symbol): New function.
5357         (Symbol_table::add_from_object): Handle --wrap.
5358         * symtab.h (class Symbol_table): Declare wrap_symbol.
5359         * target.h (Target::wrap_char): New function.
5360         (Target::Target_info): Add wrap_char field.
5361         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
5362         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
5363         * testsuite/testfile.cc (Target_test::test_target_info):
5364         Likewise.
5365
5366         * errors.cc (Errors::undefined_symbol): Mention symbol version if
5367         there is one.
5368
5369         * layout.h (class Layout): Add added_eh_frame_data_ field.
5370         * layout.cc (Layout::Layout): Initialize new field.
5371         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
5372         output section until we find a section we merged successfully.
5373         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
5374         that the size be non-zero.
5375
5376         * merge.cc (Object_merge_map::get_output_offset): Remove inline
5377         qualifier.
5378
5379 2008-04-08  Craig Silverstein  <csilvers@google.com>
5380
5381         * configure.ac: Export new conditional variable HAVE_ZLIB.
5382         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
5383         on HAVE_ZLIB.
5384         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
5385         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
5386
5387 2008-04-07  Ian Lance Taylor  <iant@google.com>
5388
5389         * version.cc (version_string): Set to "1.5".
5390
5391         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
5392         Add issued_non_pic_error_ field.  Declare check_non_pic.
5393         (Target_x86_64::Scan::check_non_pic): New function.
5394         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
5395         (Target_x86_64::Scan::global): Likewise.
5396
5397         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
5398         addend parameter.  Change caller.  Handle merge sections.
5399         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
5400         Address to Addend.  Don't add in the result of
5401         local_section_offset, pass down the addend and use the returned
5402         value.
5403         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
5404         Update declarations of local_section_offset and symbol_value.
5405         * testsuite/two_file_test_1.cc (t18): New function.
5406         * testsuite/two_file_test_2.cc (f18): New function.
5407         * testsuite/two_file_test_main.cc (main): Call t18.
5408         * testsuite/two_file_test.h (t18, f18): Declare.
5409
5410         * configure.ac: Don't test for objdump, c++filt, or readelf.
5411         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
5412         conditionals.
5413         (TEST_READELF): New variable.
5414         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
5415         (check_PROGRAMS): Add two_file_strip_test.
5416         (two_file_strip_test): New target.
5417         (check_PROGRAMS): Add two_file_same_shared_strip_test.
5418         (two_file_same_shared_strip_test_SOURCES): New variable.
5419         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
5420         (two_file_same_shared_strip_test_LDFLAGS): New variable.
5421         (two_file_same_shared_strip_test_LDADD): New variable.
5422         (two_file_shared_strip.so): New target.
5423         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
5424         (ver_test_5.syms, ver_test_7.syms): Likewise.
5425         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
5426         (strip_test_3.stdout): Use TEST_OBJDUMP.
5427         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
5428
5429 2008-04-04  Cary Coutant  <ccoutant@google.com>
5430
5431         * symtab.h (Symbol::is_weak_undefined): New function.
5432         (Symbol::is_strong_undefined): New function.
5433         (Symbol::is_absolute): New function.
5434         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
5435         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
5436         absolute symbols.
5437         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
5438         (weak_undef_test): New target.
5439         * testsuite/Makefile.in: Rebuild.
5440         * testsuite/weak_undef_file1.cc: New file.
5441         * testsuite/weak_undef_file2.cc: New file.
5442         * testsuite/weak_undef_test.cc: New file.
5443
5444 2008-04-03  Craig Silverstein  <csilvers@google.com>
5445
5446         * compressed_output.h (class Output_compressed_section): Use
5447         unsigned buffer.
5448         * compressed_output.cc (zlib_compress): Use unsigned buffers,
5449         add zlib header.
5450         (zlib_compressed_suffix): Removed.
5451         (Output_compressed_section::set_final_data_size): Use unsigned
5452         buffers.
5453         * testsuite/Makefile.am (flagstest_compress_debug_sections):
5454         Fix linker invocation.
5455         (flagstest_o_specialfile_and_compress_debug_sections):
5456         Likewise.
5457         * testsuite/Makefile.in: Regenerated.
5458
5459 2008-04-02  David S. Miller  <davem@davemloft.net>
5460
5461         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
5462         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
5463
5464 2008-04-02  Craig Silverstein  <csilvers@google.com>
5465
5466         * TODO: New file.
5467
5468 2008-04-02  Ian Lance Taylor  <iant@google.com>
5469
5470         * fileread.cc (File_read::find_view): Add byteshift and vshifted
5471         parameters.  Update for new key type to views_.  Change all
5472         callers.
5473         (File_read::read): Adjust for byteshift in returned view.
5474         (File_read::add_view): New function, broken out of
5475         find_and_make_view.
5476         (File_read::make_view): New function, broken out of
5477         find_and_make_view.
5478         (File_read::find_or_make_view): Add offset and aligned
5479         parameters.  Rewrite accordingly.  Change all callers.
5480         (File_read::get_view): Add offset and aligned parameters.  Adjust
5481         for byteshift in return value.
5482         (File_read::get_lasting_view): Likewise.
5483         * fileread.h (class File_read): Update declarations.
5484         (class File_read::View): Add byteshift_ field.  Add byteshift to
5485         constructor.  Add byteshift method.
5486         * archive.h (Archive::clear_uncached_views): New function.
5487         (Archive::get_view): Add aligned parameter.  Change all callers.
5488         * object.h (Object::get_view): Add aligned parameter.  Change all
5489         callers.
5490         (Object::get_lasting_view): Likewise.
5491
5492         * fileread.cc (File_read::release): Don't call clear_views if
5493         there are multiple objects.
5494         * fileread.h (File_read::clear_uncached_views): New function.
5495         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
5496         on the archive.
5497
5498 2008-03-31  Cary Coutant  <ccoutant@google.com>
5499
5500         Add thin archive support.
5501         * archive.cc (Archive::armagt): New const.
5502         (Archive::setup): Remove task parameter and calls to unlock.
5503         (Archive::unlock_nested_archives): New function.
5504         (Archive::read_header): Add nested_off parameter. Change
5505         all callers.
5506         (Archive::interpret_header): Likewise.
5507         (Archive::include_all_members): Change to handle thin
5508         archives.
5509         (Archive::include_member): Likewise.
5510         * archive.h (Archive::Archive): Add new parameters and
5511         initializers.
5512         (Archive::armagt): New const.
5513         (Archive::setup): Remove task parameter.
5514         (Archive::unlock_nested_archives): New function.
5515         (Archive::read_header): Add nested_off parameter.
5516         (Archive::interpret_header): Likewise.
5517         (Archive::Nested_archive_table): New typedef.
5518         (Archive::is_thin_archive_): New field.
5519         (Archive::nested_archives_): New field.
5520         (Archive::options_): New field.
5521         (Archive::dirpath_): New field.
5522         (Archive::task_): New field.
5523         * readsyms.cc (Read_symbols::do_read_symbols): Add check
5524         for thin archives.  Pass additional parameters to
5525         Archive::Archive.  Unlock the archive file after calling
5526         Archive::setup.
5527
5528 2008-03-29  Ian Lance Taylor  <iant@google.com>
5529
5530         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
5531         version symbol to be local.
5532         * testsuite/ver_test_4.sh: New file.
5533         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
5534         (check_DATA): Add ver_test_4.syms.
5535         (ver_test_4.syms): New target.
5536         * testsuite/Makefile.in: Rebuild.
5537
5538         * output.cc
5539         (Output_section::Input_section_sort_entry::has_priority): New
5540         function.
5541         (Output_section::Input_section_sort_entry::match_file_name): New
5542         function.
5543         (Output_section::Input_section_sort_entry::match_section_name):
5544         Remove.
5545         (Output_section::Input_section_sort_entry::match_section_name_prefix):
5546         Remove.
5547         (Output_section::Input_section_sort_entry::match_section_file):
5548         Remove.
5549         (Output_section::Input_section_sort_compare::operator()): Rewrite
5550         using new Input_section_sort_entry functions.  Sort crtbegin and
5551         crtend first.  Sort sections with no priority before sections with
5552         a priority.
5553         * testsuite/initpri1.c (d3): Check j != 4.
5554         (cd5): New constructor/destructor function.
5555         (main): Check j != 2.
5556
5557         * symtab.cc (Symbol_table::add_from_object): If we don't use the
5558         new symbol when resolving, don't call set_is_default.
5559         * testsuite/ver_test_7.cc: New file.
5560         * testsuite/ver_test_7.sh: New file.
5561         * testsuite/Makefile.am (ver_test_7.so): New target.
5562         (ver_test_7.o): New target.
5563         (check_SCRIPTS): Add ver_test_7.sh.
5564         (check_DATA): Add ver_test_7.syms.
5565         (ver_test_7.syms): New target.
5566
5567 2008-03-28  Ian Lance Taylor  <iant@google.com>
5568
5569         * layout.cc (Layout::layout): If we see an input section with a
5570         name that needs sorting, set the must_sort flag for the output
5571         section.
5572         (Layout::make_output_section): If the name of the output section
5573         indicates that it might require sorting, set the may_sort flag.
5574         * output.h (Output_section::may_sort_attached_input_sections): New
5575         function.
5576         (Output_section::set_may_sort_attached_input_sections): New
5577         function.
5578         (Output_section::must_sort_attached_input_sections): New
5579         function.
5580         (Output_section::set_must_sort_attached_input_sections): New
5581         function.
5582         (class Output_section): Declare Input_section_sort_entry.  Define
5583         Input_section_sort_compare.  Declare
5584         sort_attached_input_sections.  Add new fields:
5585         may_sort_attached_input_sections_,
5586         must_sort_attached_input_sections_,
5587         attached_input_sections_are_sorted_.
5588         * output.cc (Output_section::Output_section): Initialize new
5589         fields.
5590         (Output_section::add_input_section): Add an entry to
5591         input_sections_ if may_sort or must_sort are true.
5592         (Output_section::set_final_data_size): Call
5593         sort_attached_input_sections if necessary.
5594         (Output_section::Input_section_sort_entry): Define new class.
5595         (Output_section::Input_section_sort_compare::operator()): New
5596         function.
5597         (Output_section::sort_attached_input_sections): New function.
5598         * configure.ac: Check whether the compiler supports constructor
5599         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
5600         * testsuite/initpri1.c: New file.
5601         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
5602         CONSTRUCTOR_PRIORITY.
5603         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
5604         (initpri1_LDFLAGS): New variable.
5605         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
5606
5607 2008-03-27  Ian Lance Taylor  <iant@google.com>
5608
5609         * common.cc (Sort_commons::operator): Correct sorting algorithm.
5610         * testsuite/common_test_1.c: New file.
5611         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
5612         (common_test_1_SOURCES): New variable.
5613         (common_test_1_DEPENDENCIES): New variable.
5614         (common_test_1_LDFLAGS): New variable.
5615
5616         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
5617         and commons_ correctly when NAME/VERSION does not override
5618         NAME/NULL.
5619         * testsuite/ver_test_6.c: New file.
5620         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
5621         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
5622         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
5623
5624 2008-03-26  Ian Lance Taylor  <iant@google.com>
5625
5626         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
5627         of an undefined symbol from a version script.
5628         * testsuite/Makefile.am (ver_test_5.so): New target.
5629         (ver_test_5.o): New target.
5630         (check_SCRIPTS): Add ver_test_5.sh.
5631         (check_DATA): Add ver_test_5.syms.
5632         (ver_test_5.syms): New target.
5633         * testsuite/ver_test_5.cc: New file.
5634         * testsuite/ver_test_5.script: New file.
5635         * testsuite/ver_test_5.sh: New file.
5636         * Makefile.in, testsuite/Makefile.in: Rebuild.
5637
5638         PR gold/5986
5639         Fix problems building gold with gcc 4.3.0.
5640         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
5641         (gold_error_at_location, gold_warning_at_location): Use it.
5642         * configure.ac: Check whether we can compile and use a template
5643         function with a printf attribute.
5644         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
5645         when jumping over bytes.
5646         * object.cc: Instantiate Object::read_section_data.
5647         * debug.h: Include <cstring>
5648         * dwarf_reader.cc: Include <algorithm>
5649         * main.cc: Include <cstring>.
5650         * options.cc: Include <cstring>.
5651         * output.cc: Include <cstring>.
5652         * script.cc: Include <cstring>.
5653         * script.h: Include <string>.
5654         * symtab.cc: Include <cstring> and <algorithm>.
5655         * target-select.cc: Include <cstring>.
5656         * version.cc: Include <string>.
5657         * testsuite/testmain.cc: Include <cstdlib>.
5658         * configure, config.in: Rebuild.
5659
5660 2008-03-25  Ian Lance Taylor  <iant@google.com>
5661
5662         * options.cc: Include "../bfd/bfdver.h".
5663         (options::help): Print bug reporting address.
5664
5665         * version.cc (print_version): Adjust output for current value of
5666         BFD_VERSION_STRING.
5667
5668         * NEWS: New file.
5669
5670         * options.cc (options::help): Print list of supported targets.
5671         * target-select.h: Include <vector>.
5672         (class Target_selector): Make machine_, size_, and is_big_endian_
5673         fields const.  Add bfd_name_ and instantiated_target_ fields.
5674         (Target_selector::Target_selector): Add bfd_name parameter.
5675         (Target_selector::recognize): Make non-virtual, call
5676         do_recognize.
5677         (Target_selector::recognize_by_name): Make non-virtual, call
5678         do_recognize_by_name.
5679         (Target_selector::supported_names): New function.
5680         (Target_selector::bfd_name): New function.
5681         (Target_selector::do_instantiate_target): New pure virtual
5682         function.
5683         (Target_selector::do_recognize): New virtual function.
5684         (Target_selector::do_recognize_by_name): New virtual function.
5685         (Target_selector::instantiate_target): New private function.
5686         (supported_target_names): Declare.
5687         * target-select.cc (Target_selector::Target_selector): Update for
5688         new parameter and fields.
5689         (select_target_by_name): Check that the name matches before
5690         calling recognize_by_name.
5691         (supported_target_names): New function.
5692         * i386.cc (class Target_selector_i386): Update Target_selector
5693         constructor call.  Remove recognize and recognize_by_name.  Add
5694         do_instantiate_target.
5695         * x86_64.cc (class Target_selector_x86_64): Likewise.
5696         * testsuite/testfile.cc (class Target_selector_test): Update for
5697         changes to Target_selector.
5698
5699         * README: Rewrite, with some notes on unsupported features.
5700
5701 2008-03-24  Cary Coutant  <ccoutant@google.com>
5702
5703         * i386.cc (Target_i386::Got_type): New enum declaration.
5704         (Target_i386::Scan::local): Updated callers of Output_data_got
5705         member functions.
5706         (Target_i386::Scan::global): Likewise.
5707         (Target_i386::Relocate::relocate): Likewise.
5708         (Target_i386::Relocate::relocate_tls): Likewise.
5709         * object.h (Got_offset_list): New class.
5710         (Sized_relobj::local_has_got_offset): Added got_type parameter.
5711         (Sized_relobj::local_got_offset): Likewise.
5712         (Sized_relobj::set_local_got_offset): Likewise.
5713         (Sized_relobj::local_has_tls_got_offset): Removed.
5714         (Sized_relobj::local_tls_got_offset): Removed.
5715         (Sized_relobj::set_local_tls_got_offset): Removed.
5716         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
5717         * output.cc (Output_data_got::add_global): Added got_type parameter.
5718         (Output_data_got::add_global_with_rel): Likewise.
5719         (Output_data_got::add_global_with_rela): Likewise.
5720         (Output_data_got::add_global_pair_with_rel): New function.
5721         (Output_data_got::add_global_pair_with_rela): New function.
5722         (Output_data_got::add_local): Added got_type parameter.
5723         (Output_data_got::add_local_with_rel): Likewise.
5724         (Output_data_got::add_local_with_rela): Likewise.
5725         (Output_data_got::add_local_pair_with_rel): New function.
5726         (Output_data_got::add_local_pair_with_rela): New function.
5727         (Output_data_got::add_global_tls): Removed.
5728         (Output_data_got::add_global_tls_with_rel): Removed.
5729         (Output_data_got::add_global_tls_with_rela): Removed.
5730         (Output_data_got::add_local_tls): Removed.
5731         (Output_data_got::add_local_tls_with_rel): Removed.
5732         (Output_data_got::add_local_tls_with_rela): Removed.
5733         * output.h (Output_data_got::add_global): Added got_type parameter.
5734         (Output_data_got::add_global_with_rel): Likewise.
5735         (Output_data_got::add_global_with_rela): Likewise.
5736         (Output_data_got::add_global_pair_with_rel): New function.
5737         (Output_data_got::add_global_pair_with_rela): New function.
5738         (Output_data_got::add_local): Added got_type parameter.
5739         (Output_data_got::add_local_with_rel): Likewise.
5740         (Output_data_got::add_local_with_rela): Likewise.
5741         (Output_data_got::add_local_pair_with_rel): New function.
5742         (Output_data_got::add_local_pair_with_rela): New function.
5743         (Output_data_got::add_global_tls): Removed.
5744         (Output_data_got::add_global_tls_with_rel): Removed.
5745         (Output_data_got::add_global_tls_with_rela): Removed.
5746         (Output_data_got::add_local_tls): Removed.
5747         (Output_data_got::add_local_tls_with_rel): Removed.
5748         (Output_data_got::add_local_tls_with_rela): Removed.
5749         * resolve.cc (Symbol::override_base_with_special): Removed
5750         reference to has_got_offset_ field.
5751         * symtab.cc (Symbol::init_fields): Replaced initialization
5752         of got_offset_ with got_offsets_.  Removed initialization
5753         of has_got_offset_
5754         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
5755         (Symbol::got_offset): Likewise.
5756         (Symbol::set_got_offset): Likewise.
5757         (Symbol::has_tls_got_offset): Removed.
5758         (Symbol::tls_got_offset): Removed.
5759         (Symbol::set_tls_got_offset): Removed.
5760         (Symbol::got_offset_): Removed.
5761         (Symbol::tls_mod_got_offset_): Removed.
5762         (Symbol::tls_pair_got_offset_): Removed.
5763         (Symbol::got_offsets_): New field.
5764         (Symbol::has_got_offset): Removed.
5765         (Symbol::has_tls_mod_got_offset): Removed.
5766         (Symbol::has_tls_pair_got_offset): Removed.
5767         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
5768         (Target_x86_64::Scan::local): Updated callers of Output_data_got
5769         member functions.
5770         (Target_x86_64::Scan::global): Likewise.
5771         (Target_x86_64::Relocate::relocate): Likewise.
5772         (Target_x86_64::Relocate::relocate_tls): Likewise.
5773
5774 2008-03-25  Ben Elliston  <bje@au.ibm.com>
5775
5776         * yyscript.y: Fix spelling error in comment.
5777
5778 2008-03-24  Ian Lance Taylor  <iant@google.com>
5779
5780         * options.h (class General_options): Define build_id option.
5781         * layout.h (class Layout): Declare write_build_id, create_note,
5782         create_build_id.  Add build_id_note_ member.
5783         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
5784         "libiberty.h", "md5.h", "sha1.h".
5785         (Layout::Layout): Initialize eh_frame_data_,
5786         eh_frame_hdr_section_, and build_id_note_.
5787         (Layout::finalize): Call create_build_id.
5788         (Layout::create_note): New function, broken out of
5789         Layout::create_gold_note.
5790         (Layout::create_gold_note): Call create_note.
5791         (Layout::create_build_id): New function.
5792         (Layout::write_build_id): New function.
5793         (Close_task_runner::run): Call write_build_id.
5794
5795         * x86_64.cc: Correct license to GPLv3.
5796
5797 2008-03-23  Ian Lance Taylor  <iant@google.com>
5798
5799         * options.cc: Include "demangle.h".
5800         (parse_optional_string): New function.
5801         (parse_long_option): Handle takes_optional_argument.
5802         (parse_short_option): Update dash_z initializer.  Handle
5803         takes_optional_argument.
5804         (General_options::General_options): Initialize do_demangle_.
5805         (General_options::finalize): Set do_demangle_.  Handle demangling
5806         style.
5807         * options.h (parse_optional_string): Declare.
5808         (struct One_option): Add optional_arg field.  Update constructor.
5809         Update call constructor calls.  Add takes_optional_argument
5810         function.
5811         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
5812         (DEFINE_optional_string): Define.
5813         (General_options::demangle): Change from DEFINE_bool to
5814         DEFINE_optional_string.
5815         (General_options::no_demangle): New function.
5816         (General_options::do_demangle): New function.
5817         (General_options::set_do_demangle): New function.
5818         (General_options::execstack_status_): Move definition to end of
5819         class definition.
5820         (General_options::static_): Likewise.
5821         (General_options::do_demangle_): New field.
5822         * object.cc (big_endian>::get_symbol_location_info): Call
5823         Options::do_demangle, not Options::demangle.
5824         * symtab.cc (demangle): Likewise.
5825
5826 2008-03-22  Ian Lance Taylor  <iant@google.com>
5827
5828         * gold.h: Include <cstddef> and <sys/types.h>
5829         * options.h: Include <cstring>.
5830
5831 2008-03-21  Ian Lance Taylor  <iant@google.com>
5832
5833         * Added source code to GNU binutils.