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[pf3gnuchains/pf3gnuchains3x.git] / gold / ChangeLog
1 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
2
3         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
4         check for .text or .gnu.linkonce.t sections.
5         * icf.cc (Icf::find_identical_sections): Ditto.
6         Change the detection for mangled function name within the section
7         name.
8         * icf.h (is_section_foldable_candidate): New function.
9
10 2009-12-30  Ian Lance Taylor  <iant@google.com>
11
12         PR 10980
13         * options.h (class General_options): Permit two dashes with
14         --retain-symbols-file.
15
16 2009-12-30  Ian Lance Taylor  <iant@google.com>
17
18         PR 10979
19         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
20         don't put the file header and segment headers in the text
21         segment.
22
23         PR 10979
24         * common.cc (Sort_commons::operator()): Stabilize sort when both
25         entries are NULL.
26         (Symbol_table::do_allocate_commons_list): When allocating common
27         symbols, skip a symbol which is no longer common.
28         * symtab.h (Symbol::is_common): Test whether the symbol comes from
29         an object before checking its type.
30         * testsuite/common_test_2.c: New file.
31         * testsuite/common_test_3.c: New file.
32         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
33         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
34         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
35         (common_test_2_pic.o, common_test_2.so): New targets.
36         (common_test_3_pic.o, common_test_3.so): New targets.
37         * testsuite/Makefile.in: Rebuild.
38
39         PR 10979
40         * script.cc (read_input_script): If we see a new SECTIONS clause,
41         and we have added an input section, give an error.
42         * layout.h (class Layout): Add have_added_input_section function.
43         Add have_added_input_section_ field.
44         * layout.cc (Layout::Layout): Initialize
45         have_added_input_section_.
46         (Layout::layout): Set have_added_input_section_.
47         (Layout::layout_eh_frame): Likewise.
48
49 2009-12-30  Ian Lance Taylor  <iant@google.com>
50
51         PR 10931
52         * options.h (class General_options): Add --sort-common option.
53         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
54         * common.cc (Sort_common): Add sort_order parameter to
55         constructor.  Add sort_order_ field.
56         (Sort_commons::operator): Check sort_order_.
57         (Symbol_table::allocate_commons): Determine the sort order.
58         (Symbol_table::do_allocate_commons): Add sort_order parameter.
59         Change all callers.
60         (Symbol_table::do_allocate_commons_list): Likewise.
61
62 2009-12-30  Ian Lance Taylor  <iant@google.com>
63
64         PR 10916
65         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
66         symbols from this object, don't change the visibility of an
67         undefined symbol.
68         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
69
70 2009-12-30  Ian Lance Taylor  <iant@google.com>
71
72         PR 10861
73         * script.h (class Version_script_info): Define Language enum.
74         Update declarations.  Define Glob, Exact, and Lookup types.  Add
75         new fields globals_, locals_, and is_finalized_.
76         * script.cc: Various formatting fixes.
77         (class Parser_closure): Change language_stack_ from a vector of
78         std::string to one of Version_script_info::Language.  Adjust all
79         uses accordingly.
80         (class Lazy_demangler): Remove.
81         (struct Version_expression): Change language from std::string to
82         Version_script_info::Language.
83         (Version_script_info::Version_script_info): New function.
84         (Version_script_info::~Version_script_info): Don't call clear.
85         (Version_script_info::finalize): New function.
86         (Version_script_info::build_lookup_tables): New function.
87         (Version_script_info::build_expression_list_lookup): New
88         function.
89         (Version_script_info::get_symbol_version_helper): Rewrite to use
90         lookup tables.
91         (Version_script_info::print_expression_list): Adjust to use
92         Version_script_info::Language.
93         (script_push_lex_into_version_mode): Check that the version script
94         has not been finalized.
95         (version_script_push_lang): Change language string to
96         Version_script_info::Language.
97         * options.cc (Command_line::version_script): New function.
98         * options.h (class General_options): Add finalize_dynamic_list
99         function.  Change version_script from declaration to definition.
100         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
101         * testsuite/version_script.map: Remove duplicate def of foo.
102         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
103         version_script.map.
104         * testsuite/Makefile.in: Rebuild.
105
106 2009-12-30  Ian Lance Taylor  <iant@google.com>
107
108         PR 10843
109         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
110         if the input symbol index is 0, make the output symbol index 0.
111
112 2009-12-30  Ian Lance Taylor  <iant@google.com>
113
114         PR 10670
115         * options.h (class General_options): Add -x/--discard-all.
116         * object.cc (Sized_relobj::do_count_local_symbols): Handle
117         --discard-all.  If the local symbol needs a dynamic entry, check
118         that before handling --discard-locals.
119
120 2009-12-30  Ian Lance Taylor  <iant@google.com>
121
122         PR 10450
123         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
124         flags to PF_R.
125         (Output_segment::add_output_section): Don't change the flags if
126         the type is PT_TLS.
127
128         PR 10450
129         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
130         GNU hash table if they need a dynamic value.  Otherwise, don't add
131         them if they are defined in a dynamic object or are forced local.
132
133 2009-12-29  Ian Lance Taylor  <iant@google.com>
134
135         PR 10450
136         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
137         .gnu.hash table for a 32-bit target.
138
139         PR 10450
140         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
141         regular and a dynamic object only needs a dynamic symbol table
142         entry if it is externally visible.
143
144         PR 10450
145         * i386.cc (class Target_i386): Initialize global_offset_table_ in
146         constructor.  Add global_offset_table_ field.
147         (Target_i386::got_section): Set global_offset_table_.
148         (Target_i386::do_finalize_sections): Set global_offset_table_
149         size.
150         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
151         in constructor.  Add global_offset_table_ field.
152         (Target_x86_64::got_section): Set global_offset_table_.
153         (Target_x86_64::do_finalize_sections): Set global_offset_table_
154         size.
155
156         * layout.cc (Layout::Layout): Initialize increase_relro_.
157         (Layout::get_output_section): Add is_relro, is_last_relro, and
158         is_first_non_relro parameters.  Change all callers.
159         (Layout::choose_output_section): Likewise.
160         (Layout::add_output_section_data): Likewise.
161         (Layout::make_output_section): Likewise.
162         (Layout::set_segment_offsets): Clear increase_relro when using a
163         linker script.
164         * layout.h (class Layout): Add increase_relro method.  Add
165         increase_relro_ field.  Update declarations.
166         * output.cc (Output_section::Output_section): Initialize
167         is_last_relro_ and is_first_non_relro_.
168         (Output_segment::add_output_section): Group relro sections is
169         do_sort is true.  Handle is_last_relro and is_first_non_relro.
170         (Output_segment::maximum_alignment): Remove relro handling.
171         (Output_segment::set_section_addresses): Add increase_relro
172         parameter.  Change all callers.  Add initial alignment to align
173         relro sections on separate page.  Remove old relro handling.
174         (Output_segment::set_section_list_addresses): Remove in_relro
175         parameter.  Change all callers.
176         (Output_segment::set_offset): Add increase parameter.  Change all
177         callers.  Remove old relro handling.
178         * output.h (class Output_section): Add new methods: is_last_relro,
179         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
180         Add is_last_relro_ and is_first_non_relro_ fields.
181         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
182         Create separate .got.plt section.  Call increase_relro.
183         * x86_64.cc (Target_x86_64::got_section): Likewise.
184         * testsuite/relro_script_test.t: Add .got.plt.
185
186         PR 10450
187         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
188         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
189         (Layout::finalize): Call set_dynamic_symbol_size.
190         (Layout::set_dynamic_symbol_size): New function.
191         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
192         set_dynamic_symbol_size.
193
194         PR 10450
195         * output.h (class Output_section): Add is_entsize_zero_ field.
196         * output.cc (Output_section::Output_section): Initialize
197         is_entsize_zero_.
198         (Output_section::set_entsize): If two different entsizes are
199         requested, force it to zero.
200         (Output_section::add_input_section): Set flags for .debug_str
201         before updating section flags.  Set entsize.
202         (Output_section::update_flags_for_input_section): Set SHF_MERGE
203         and SHF_STRING if all input sections have those flags.
204
205 2009-12-29   Rafael Espindola  <espindola@google.com>
206
207         * main.cc (main): Fix the sys time reporting.
208         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
209         reporting.
210
211 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
212
213         * options.cc (General_options::parse_version): Allow -v to exit
214         without an error if there is nothing to link.
215
216 2009-12-29  Ian Lance Taylor  <iant@google.com>
217
218         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
219         using a version of gcc before 4.1.
220         * configure: Rebuild.
221
222 2009-12-28  Chris Demetriou  <cgd@google.com>
223
224         * attributes.cc (Output_attributes_section_data::do_write): Use
225         std::vector::front rather than std::vector::data.
226
227 2009-12-28  Ian Lance Taylor  <iant@google.com>
228
229         * symtab.h (class Symbol_table): Add enum Defined.
230         * resolve.cc (Symbol_table::should_override): Add defined
231         parameter.  Change all callers.  Test whether object is NULL
232         before calling a method on it.
233         (Symbol_table::report_resolve_problem): Add defined parameter.
234         Change all callers.
235         (Symbol_table::should_override_with_special): Likewise.
236         * symtab.cc (Symbol_table::define_in_output_data): Add defined
237         parameter.  Change all callers.
238         (Symbol_table::do_define_in_output_data): Likewise.
239         (Symbol_table::define_in_output_segment): Likewise.
240         (Symbol_table::do_define_in_output_segment): Likewise.
241         (Symbol_table::define_as_constant): Likewise.
242         (Symbol_table::do_define_as_constant): Likewise.
243         * script.h (class Symbol_assignment): Add is_defsym parameter to
244         constructor; change all callers.
245         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
246         parameter.  Change all callers.  Add is_defsym_ field.
247         (class Parser_closure): Add parsing_defsym parameter to
248         constructor; change all callers.  Add parsing_defsym accessor
249         function.  Add parsing_defsym_ field.
250
251 2009-12-28  Ian Lance Taylor  <iant@google.com>
252
253         * gold.cc (queue_middle_tasks): Fix formatting.
254         * object.cc (Relobj::is_section_name_included): Likewise.
255
256 2009-12-23  Ian Lance Taylor  <iant@google.com>
257
258         * i386.cc (Target_i386::do_calls_non_split): Recognize
259         -fsplit-stack prologue for a function with a static chain.
260         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
261         -fsplit-stack prologue when using %r11.
262
263 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
264
265         * options.cc (General_options::parse_version): Make -v continue and do
266         the link like GNU ld does.
267
268 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
269
270         * Makefile.am (CCFILES): Add timer.cc.
271         (HFILES): Add timer.h.
272         * configure.ac: Check for sysconf and times.
273         * main.cc: include timer.h.
274         (main): Use Timer instead of get_run_time.
275         * timer.cc: New.
276         * timer.h: New.
277         * workqueue.cc: include timer.h.
278         (Workqueue::find_and_run_task):
279         Report user, sys and wall time.
280         * Makefile.in: Regenerate.
281         * config.in: Regenerate.
282         * configure: Regenerate.
283
284 2009-12-16  Doug Kwan  <dougkwan@google.com>
285
286         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
287         sections.
288         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
289         relaxed input sections.
290         * output.cc (Output_section::find_relaxed_input_section): Change
291         return type to Output_relaxed_input_section pointer.  Adjust code
292         for new type of relaxed_input_section_map_.
293         * output.h (Output_section::find_relaxed_input_section): Change
294         return type to Output_relaxed_input_section pointer.
295         (Output_section::Output_relaxed_input_section_by_input_section_map):
296         New type.
297         (Output_section::relaxed_input_section_map_): Change type to
298         Output_section::Output_relaxed_input_section_by_input_section_map.
299         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
300         input section.
301
302 2009-12-15  Ian Lance Taylor  <iant@google.com>
303
304         * layout.cc (Layout::create_shstrtab): Only write out after input
305         sections if we are compressing debug sections.
306
307 2009-12-15  Ian Lance Taylor  <iant@google.com>
308
309         * archive.cc (Archive::add_symbols): Only look up a symbol without
310         a version if there is, in fact, a version.
311
312 2009-12-14  Ian Lance Taylor  <iant@google.com>
313
314         Revert -Wshadow changes, all changes from:
315         2009-12-11  Doug Kwan  <dougkwan@google.com>
316         2009-12-11  Nick Clifton  <nickc@redhat.com>
317         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
318
319 2009-12-11  Doug Kwan  <dougkwan@google.com>
320
321         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
322         due to -Wshadow.
323         * attributes.cc (Object_attribute::size): Ditto.
324         (Attributes_section_data::size): Ditto.
325         (Attributes_section_data::Attributes_section_data): Ditto.
326         (Output_attributes_section_data::do_write): Ditto.
327         * attributes.h (Object_attribute::set_type): Ditto.
328         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
329
330 2009-12-11  Nick Clifton  <nickc@redhat.com>
331
332         * archive.cc: Fix shadowed variable warnings.
333         * arm.cc: Likewise.
334         * compressed_output.cc: Likewise.
335         * compressed_output.h: Likewise.
336         * configure: Likewise.
337         * dwarf_reader.cc: Likewise.
338         * dynobj.cc: Likewise.
339         * dynobj.h: Likewise.
340         * ehframe.cc: Likewise.
341         * ehframe.h: Likewise.
342         * errors.cc: Likewise.
343         * expression.cc: Likewise.
344         * fileread.cc: Likewise.
345         * fileread.h: Likewise.
346         * freebsd.h: Likewise.
347         * i386.cc: Likewise.
348         * icf.cc: Likewise.
349         * incremental.h: Likewise.
350         * layout.cc: Likewise.
351         * layout.h: Likewise.
352         * mapfile.cc: Likewise.
353         * merge.cc: Likewise.
354         * merge.h: Likewise.
355         * object.cc: Likewise.
356         * object.h: Likewise.
357         * options.h: Likewise.
358         * output.cc: Likewise.
359         * output.h: Likewise.
360         * parameters.cc: Likewise.
361         * plugin.cc: Likewise.
362         * powerpc.cc: Likewise.
363         * reduced_debug_output.cc: Likewise.
364         * reduced_debug_output.h: Likewise.
365         * reloc.cc: Likewise.
366         * reloc.h: Likewise.
367         * resolve.cc: Likewise.
368         * script-sections.cc: Likewise.
369         * script.cc: Likewise.
370         * script.h: Likewise.
371         * sparc.cc: Likewise.
372         * symtab.cc: Likewise.
373         * symtab.h: Likewise.
374         * target-select.cc: Likewise.
375         * target-select.h: Likewise.
376         * token.h: Likewise.
377         * workqueue.cc: Likewise.
378         * workqueue.h: Likewise.
379         * x86_64.cc: Likewise.
380
381 2009-12-10  Doug Kwan  <dougkwan@google.com>
382
383         * arm.cc (attributes.h): New include.
384         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
385         (Arm_relobj::~Arm_relobj): Delete object pointed by
386         attributes_section_data_.
387         (Arm_relobj::attributes_section_data): New method definition.
388         (Arm_relobj::attributes_section_data_): New data member declaration.
389         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
390         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
391         attributes_section_data_.
392         (Arm_dynobj::attributes_section_data): New method definition.
393         (Arm_dynobj::attributes_section_data_): New data member declaration.
394         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
395         initialization value of may_use_blx_ to false.
396         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
397         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
398         object attributes to compute results instead of hard-coding.
399         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
400         Target_arm::get_secondary_compatible_arch,
401         Target_arm::set_secondary_compatible_arch
402         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
403         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
404         New method declarations.
405         (Target_arm::get_aeabi_object_attribute): New method definition.
406         (Target_arm::attributes_section_data_): New data member declaration.
407         (read_arm_attributes_section): New template definition.
408         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
409         (Arm_dynobj::do_read_symbols): Ditto.
410         (Target_arm::do_finalize_sections): Merge attributes sections from
411         input.  Check for BLX use after attributes section merging.
412         Fix __exidx_start and __exidx_end visibility.  Create an
413         .ARM.attributes section if necessary.
414         (Target_arm::get_secondary_compatible_arch,
415         Target_arm::set_secondary_compatible_arch,
416         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
417         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
418         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order): 
419         New method definitions.
420
421 2009-12-09  Ian Lance Taylor  <iant@google.com>
422
423         * plugin.cc (Plugin::load): Don't cast from void* to a function
424         pointer.
425
426 2009-12-09  Ian Lance Taylor  <iant@google.com>
427
428         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
429         information fields.
430
431 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
432
433         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
434         Replace two_file_shared_1.so with two_file_shared_2.so.
435         * testsuite/Makefile.in: Regenerated.
436
437 2009-12-08  Doug Kwan  <dougkwan@google.com>
438
439         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
440         (HFILES): Add attributes.h and int_encoding.h.
441         * Makefile.in: Regenerate.
442         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
443         function definitions to int_encoding.cc
444         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
445         prototypes to int_encoding.h
446         * reduced_debug_output.cc (int_encoding.h): New include.
447         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
448         function definitions to int_encoding.cc
449         (insert_into_vector, read_from_pointer): Move template definitions to
450         int_encoding.h
451         * attributes.cc: New file.
452         * attributes.h: New file.
453         * int_encoding.cc: New file.
454         * int_encoding.h: New file.
455
456 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
457
458         PR gold/11055
459         * incremental-dump.cc (dump_incremental_inputs): New.
460         (main): Use dump_incremental_inputs.
461
462 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
463
464         PR gold/10893
465         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
466         checking elfcpp::STT_FUNC.
467         (Target_i386::Relocate::relocate): Likewise.
468         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
469
470         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
471         symbols from shared libraries into normal FUNC symbols.
472
473         * symtab.h (Symbol): Add is_func and use it.
474
475 2009-12-05  Doug Kwan  <dougkwan@google.com>
476
477         * arm.cc (Target_arm::arm_info): Initialize new fields
478         attributes_section and attributes_vendor.
479         * i386.cc (Target_i386::i386_info): Same.
480         * object.cc (Sized_relobj::do_layout): Skip attribute section.
481         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
482         fields attributes_section and attributes_vendor.
483         * sparc.cc (Target_sparc::sparc_info): Same.
484         * target.h (Target::attributes_section, Target::attributes_vendor,
485         Target::is_attributes_section, Target::attribute_arg_type,
486         Target::attributes_order): New method definitions.
487         (Target::Target_info::attributes_section,
488         Target::Target_info::attributes_vendor): New fields.
489         (Target::do_attribute_arg_type, Target::do_attributes_order): New
490         virtual method definitions.
491         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
492         attributes_section and attributes_vendor.
493         * testsuite/testfile.cc (Target_test::test_target_info): Same.
494
495 2009-12-05  Doug Kwan  <dougkwan@google.com>
496
497         * arm.cc: Update comments about interworking and stub generation.
498         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
499         considered as non-PIC.
500         (Arm_relocate_functions::base_abs): Fix formatting.
501         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
502         of function to use GOT entry address instead of offset.
503         (Target_arm::Scan::global): Issue an error if a symbol would need a
504         PLT does not get one because it is untyped.  Remove code to create
505         dynamic symbols for relative branches.
506         (Target_arm::Relocate::relocate: Use 0 instead of false since function
507         takes unsigned integer instead of boolean.
508
509 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
510
511         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
512         (two_file_test_LDADD): Likewise.
513         (common_test_1_LDADD): Likewise.
514         (exception_test_LDADD) Likewise.
515         (weak_test_LDADD): Likewise.
516         (many_sections_test_LDADD): Likewise.
517         (initpri1_LDADD): Likewise.
518         (script_test_1_LDADD): Likewise.
519         (script_test_2_LDADD): Likewise.
520         (justsyms_LDADD): Likewise.
521         (binary_test_LDADD): Likewise.
522         (large_LDADD): Likewise.
523         * testsuite/Makefile.in: Regenerated.
524
525 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
526
527         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
528         (Symbol_table::override_with_special): Likewise.
529         (Symbol_table::add_from_object): Likewise.
530
531 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
532
533         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
534         Don't set the data_offset twice.
535
536 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
537
538         * testsuite/Makefile.in: Regenerate.
539
540 2009-12-03  Doug Kwan  <dougkwan@google.com>
541
542         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
543         (Target_arm::do_finalize_sections): Add parameter for symbol table
544         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
545         * i386.cc (Target_i386::do_finalize_sections): Add an additional
546         parameter for symbol table pointer.
547         * layout.cc (Layout::finalize): Call Target::finalize_sections with
548         an additional parameter for a pointer to symbol table.
549         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
550         parameter for a symbol table pointer.
551         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
552         * target.h (Target::finalize_sections, Target::do_finalize_sections):
553         Ditto.
554         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
555         parameter for a symbol table pointer.
556
557 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
558
559         * incremental.cc (Incremental_inputs_header)
560         (Incremental_inputs_header_write, Incremental_inputs_entry)
561         (Incremental_inputs_entry_write): Move ...
562         * incremental.h (Incremental_inputs_header)
563         (Incremental_inputs_header_write, Incremental_inputs_entry)
564         (Incremental_inputs_entry_write): here.
565
566 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
567
568         * incremental.cc (make_sized_incremental_binary): Set the target.
569         Error if it is incompatible.
570         * output.h (Output_file): Add filename method.
571
572 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
573
574         * incremental.cc (Incremental_inputs_entry): Remove unused argument
575         from the get_* methods.
576
577 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
578
579         * incremental-dump.cc (main): Check that the offeset of a script is 0.
580         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
581         Write 0 for the data_offset of scripts.
582
583 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
584
585         * testsuite/Makefile.am: Add the incremental_test.sh test.
586         * testsuite/incremental_test.sh: New.
587         * testsuite/incremental_test_1.c: New.
588         * testsuite/incremental_test_2.c: New.
589
590 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
591
592        * incremental-dump.cc (main): Fix typos.
593
594 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
595
596         PR gold/11025
597         * incremental-dump.cc (main): Use llu to print 64 bit values.
598
599 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
600             H.J. Lu  <hongjiu.lu@intel.com>
601
602         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
603         $(LIBDL).
604         (incremental_dump_LDADD): Likewise.
605         * Makefile.in: Regenerated.
606
607 2009-11-25  Doug Kwan  <dougkwan@google.com>
608         
609         Revert:
610
611         2009-11-25  Doug Kwan  <dougkwan@google.com>
612
613                 * arm.cc (Target_arm::Target_arm): Move method definition
614                 outside of class definition.  Add code to handle
615                 --target1-rel, --target1-abs and --target2= options.
616                 (Target_arm::get_reloc_reloc_type): Change method to be
617                 non-static and const.
618                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
619                 New data member declaration.
620                 (Target_arm::Scan::local, Target_arm::Scan::global,
621                 Target_arm::Relocate::relocate,
622                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
623                 Adjust call to Target_arm::get_real_reloc_type.
624                 (Target_arm::get_real_reloc_type): Use command line options
625                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
626                 * options.h (--target1-rel, --target1-abs, --target2): New
627                 ARM-only options.
628
629 2009-11-25  Doug Kwan  <dougkwan@google.com>
630
631         * arm.cc (Target_arm::Target_arm): Move method definition outside of
632         class definition.  Add code to handle --target1-rel, --target1-abs
633         and --target2= options.
634         (Target_arm::get_reloc_reloc_type): Change method to be non-static
635         and const.
636         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
637         member declaration.
638         (Target_arm::Scan::local, Target_arm::Scan::global,
639         Target_arm::Relocate::relocate,
640         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
641         call to Target_arm::get_real_reloc_type.
642         (Target_arm::get_real_reloc_type): Use command line options to
643         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
644         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
645         options.
646
647 2009-11-25  Doug Kwan  <dougkwan@google.com>
648
649         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
650         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
651         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
652         formatting.
653         (Arm_relocate_functions::thm_call): Replace body with a call to
654         Arm_relocate_functions::thumb_branch_common.
655         (Arm_relocate_functions::thm_jump24,
656         Arm_relocate_functions::thm_xpc22): New method definitions.
657         (Arm_relocate_functions::thumb_branch_common): New method definition.
658         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
659         operator.
660         (Target_arm::Relocate::relocate): Adjust call to thm_call.
661         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
662
663 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
664
665         * Makefile.am: Build incremental-dump
666         * Makefile.in: Regenerate.
667         * incremental-dump.cc: New.
668         * incremental.cc (Incremental_inputs_header_data,
669         Incremental_inputs_entry_data): Move to incremental.h
670         * incremental.h: (Incremental_inputs_header_data,
671         Incremental_inputs_entry_data): Move from incremental.cc
672
673 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
674
675         * incremental.cc (Incremental_inputs_header,
676         Incremental_inputs_header_write, Incremental_inputs_entry,
677         Incremental_inputs_entry_write): Add a typedef with the data type.
678
679 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
680
681         * incremental.cc (Incremental_inputs_header,
682         Incremental_inputs_header_write, Incremental_inputs_entry,
683         Incremental_inputs_entry_write): Update comment about which
684         type has the filed descriptions.
685
686 2009-11-15  Doug Kwan  <dougkwan@google.com>
687
688         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
689         (Arm_relocate_functions::arm_branch_common): Change method defintion
690         in class definition to a method declaration and update list of formal
691         parameters.
692         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
693         Arm_relocation_functions::jump24): Adjust call to
694         Arm_relocate_functions::arm_branch_common.  Update list of formal
695         parameters.
696         (Arm_relocate_functions::xpc25): New method definition.
697         (Arm_relocate_functions::arm_branch_common): Move method defintion
698         out from class definition.  Use stubs for mode-switching and extending
699         branch ranges.
700         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
701         specially.  Change code to enable use of stubs in ARM branches.
702
703 2009-11-10  Doug Kwan  <dougkwan@google.com>
704
705         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
706         in method declaration.
707         (Target_arm::relocate_stub): New method declaration.
708         (Target_arm::default_target): Change to return a pointer instead of
709         a const reference.
710         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
711         Target_arm::default_target.
712         (Arm_Relobj::do_relocate_sections): Remove options paramater in
713         method definition.
714         (Target_arm::relocate_section): Adjust view.
715         (Target_arm::relocate_stub): New method definition.
716
717 2009-11-10  Doug Kwan  <dougkwan@google.com>
718
719         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
720         a format warning.
721         * incremental.cc (open_incremental_binary): Initialized local
722         variables to avoid warnings.
723         * object.cc (make_elf_object): Ditto.
724         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
725         a format warning.
726  
727 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
728
729         PR gold/10930
730         * testsuite/plugin_test.c: Include "config.h".
731
732 2009-11-09  Doug Kwan  <dougkwan@google.com>
733
734         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
735         (arm_symbol_value): Remove.
736         (Arm_relocate_functions::arm_branch_common,
737         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
738         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
739         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
740         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
741         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
742         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
743         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
744         Arm_relocate_functions::thm_mobw_abs_nc,
745         Arm_relocate_functions::thm_mov_abs,
746         Arm_relocate_functions::movw_prel_nc,
747         Arm_relocate_functions::thm_movt_abs,
748         Arm_relocate_functions::movt_prel,
749         Arm_relocate_functions::thm_movw_prel_nc,
750         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
751         (Target_arm::Relocate::relocate): Only decompose address into two
752         parts if relocation type uses the thumb-bit and pass the actual
753         bit instead of a flag indicating that the thumb-bit is used.  Adjust
754         calls to methods in Arm_relocate_functions for this change.
755
756 2009-11-08  Ian Lance Taylor  <iant@google.com>
757
758         PR 10925
759         * reloc.cc: Instantiate
760         Sized_relobj::initialize_input_to_output_maps and
761         Sized_relobj:free_input_to_output_maps.
762
763 2009-11-06  Ian Lance Taylor  <iant@google.com>
764
765         PR 10876
766         * defstd.cc (in_segment): Set only_if_ref true for "end".
767
768 2009-11-06  Doug Kwan  <dougkwan@google.com>
769
770         * arm.cc (class Reloc_stub): Correct a comment.
771         (Target_arm::Target_arm): Initialize arm_input_section_map_.
772         (Target_arm::scan_section_for_stubs): New method declaration.
773         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
774         Change methods from private to protected.
775         (Target_arm::do_may_relax): New method definition.
776         (Target_arm::do_relax, Target_arm::group_sections,
777         Target_arm::scan_reloc_for_stub,
778         Target_arm::scan_reloc_section_for_stubs): New method declarations.
779         (Target_arm::arm_input_section_map_): New data member declaration.
780         (Target_arm::scan_reloc_for_stub,
781         Target_arm::scan_reloc_section_for_stubs,
782         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
783         Target_arm::do_relax): New method definitions.
784
785 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
786
787         * configure.ac: Check for (struct stat)::st_mtim
788         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
789         * config.in: Regenerate.
790         * configure: Regenerate.
791
792 2009-11-05  Ian Lance Taylor  <iant@google.com>
793
794         PR 10910
795         * output.cc (Output_segment::add_output_section): Add missing
796         return statement.
797
798 2009-11-04  Ian Lance Taylor  <iant@google.com>
799
800         PR 10880
801         * object.h (class Object): Add is_needed and set_is_needed
802         methods.  Add is_needed_ field.  Make bool fields into bitfields.
803         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
804         defined in a dynamic object and referenced by a regular object,
805         set is_needed for the dynamic object.
806         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
807         if the file is marked with as_needed and it is not needed.
808
809 2009-11-04  Ian Lance Taylor  <iant@google.com>
810
811         PR 10887
812         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
813         tags if data is discarded by linker script.
814         * i386.cc (Target_i386::do_finalize_sections): Likewise.
815         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
816         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
817         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
818
819 2009-11-04  Ian Lance Taylor  <iant@google.com>
820
821         * layout.cc (Layout::get_output_section): Add is_interp and
822         is_dynamic_linker_section parameters.  Change all callers.
823         (Layout::choose_output_section): Likewise.
824         (Layout::make_output_section): Likewise.
825         (Layout::add_output_section_data): Add is_dynamic_linker_section
826         parameter.  Change all callers.
827         * layout.h (class Layout): Update declarations.
828         * output.h (class Output_section): Add is_interp, set_is_interp,
829         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
830         Add is_interp_, is_dynamic_linker_section_ fields.  Change
831         generate_code_fills_at_write_ to a bitfield.
832         * output.cc (Output_section::Output_sections): Initialize new
833         fields.
834         (Output_segment::add_output_section): Add do_sort parameter.
835         Change all callers.
836
837 2009-11-03  Ian Lance Taylor  <iant@google.com>
838
839         PR 10860
840         * options.h (class General_options): Add --warn-common.
841         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
842         merging two common symbols.
843         (Symbol_table::should_override): Handle --warn-common when merging
844         a common symbol with a defined symbol.  Use report_resolve_problem
845         for multiple definitions.
846         (Symbol_table::report_resolve_problem): New function.
847         * symtab.h (class Symbol_table): Declare report_resolve_problem.
848
849 2009-11-03  Doug Kwan  <dougkwan@google.com>
850
851         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
852         stub_factory_.
853         (Target_arm::stub_factory): New method definition.
854         (Target_arm::new_arm_input_section,
855         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
856         Target_arm::reloc_uses_thumb_bit): New method declarations.
857         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map): 
858         New type definitions.
859         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
860         member declarations.
861         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
862         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
863         New method definitions.
864
865 2009-11-03  Ian Lance Taylor  <iant@google.com>
866
867         * options.h (class General_options): Add --warn_constructors.
868
869 2009-11-03  Ian Lance Taylor  <iant@google.com>
870
871         PR 10893
872         * defstd.cc (in_section): Add entries for __rel_iplt_start,
873         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
874
875 2009-11-03  Ian Lance Taylor  <iant@google.com>
876
877         PR 10895
878         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
879         --msgid-bugs-address.
880         (install-pdf): New target.
881         (install-data_yes): Look up one directory to find mkinstalldirs.
882
883 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
884
885         * po/Make-in (.po.gmo): Don't generate .gmo files in source
886         tree.
887
888 2009-10-30  Doug Kwan  <dougkwan@google.com>
889
890         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
891
892 2009-10-30  Doug Kwan  <dougkwan@google.com>
893
894         * arm.cc (Stub_addend_reader): New struct template definition
895         and partial specializations.
896         (Stub_addend_reader::operator()): New method definition for a
897         partially specialized template.
898
899 2009-10-30  Doug Kwan  <dougkwan@google.com>
900
901         * arm.cc (Arm_relobj::processor_specific_flags): New method
902         definition.
903         (Arm_relobj::do_read_symbols): New method declaration.
904         (Arm_relobj::processor_specific_flags_): New data member declaration.
905         (Arm_dynobj): New class definition.
906         (Target_arm::do_finalize_sections): Add input_objects parameter.
907         (Target_arm::do_adjust_elf_header): New method declaration.
908         (Target_arm::are_eabi_versions_compatible,
909         (Target_arm::merge_processor_specific_flags): New method declaration.
910         (Target_arm::do_make_elf_object): New overloaded method definitions
911         and declaration.
912         (Arm_relobj::do_read_symbols): New method definition.
913         (Arm_dynobj::do_read_symbols): Ditto.
914         (Target_arm::do_finalize_sections): Add input_objects parameters.
915         Merge processor-specific flags from all input objects.
916         (Target_arm::are_eabi_versions_compatible,
917         Target_arm::merge_processor_specific_flags,
918         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
919         New method definitions.
920         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
921         Input_objects pointer type parameter.
922         * layout.cc (Layout::finalize): Pass input objects to target's.
923         finalize_sections function.
924         * output.cc (Output_file_header::do_sized_write): Set ELF file
925         header's processor-specific flags.
926         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
927         Input_objects pointer type parameter.
928         * sparc.cc (Target_sparc::do_finalize_sections): Same.
929         * target.h (Input_objects): New forward class declaration.
930         (Target::processor_specific_flags,
931         Target::are_processor_specific_flags_sect): New method definitions.
932         (Target::finalize_sections): Add input_objects parameter.
933         (Target::Target): Initialize processor_specific_flags_ and
934         are_processor_specific_flags_set_.
935         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
936         parameter.
937         (Target::set_processor_specific_flags): New method definition.
938         (Target::processor_specific_flags_,
939         Target::are_processor_specific_flags_set_): New data member
940         declarations.
941         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
942         Input_objects pointer type parameter.
943
944 2009-10-30  Doug Kwan  <dougkwan@google.com>
945
946         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
947
948 2009-10-28  Ian Lance Taylor  <iant@google.com>
949
950         * object.h (class Relobj): Drop options parameter from
951         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
952         do_scan_relocs, do_relocate.  Change all callers.
953         (class Sized_relobj): Drop options parameters from
954         do_gc_process_relocs, do_scan_relocs, do_relocate,
955         do_relocate_sections, relocate_sections, emit_relocs_scan,
956         emit_relocs_scan_reltype.  Change all callers.
957         (struct Relocate_info): Remove options field and all references to
958         it.
959         * reloc.h (class Read_relocs): Remove options constructor
960         parameter and options_ field.  Change all callers.
961         (class Gc_process_relocs, class Scan_relocs): Likewise.
962         (class Relocate_task): Likewise.
963         * target-reloc.h (scan_relocs): Remove options parameter.  Change
964         all callers.
965         (scan_relocatable_relocs): Likewise.
966         * target.h (class Sized_target): Remove options parameter from
967         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
968         all callers.
969         * gc.h (gc_process_relocs): Remove options parameter.  Change all
970         callers.
971         * arm.cc: Update functions to remove options parameters.
972         * i386.cc: Likewise.
973         * powerpc.cc: Likewise.
974         * sparc.cc: Likewise.
975         * x86_64.cc: Likewise.
976         * testsuite/testfile.cc: Likewise.
977
978 2009-10-28  Doug Kwan  <dougkwan@google.com>
979
980         * arm.cc (Arm_relobj): New class definition.
981         (Arm_relobj::scan_sections_for_stubs, 
982         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
983         New method definitions.
984
985 2009-10-28  Cary Coutant  <ccoutant@google.com>
986
987         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
988         (Plugin::cleanup_done_): New member.
989         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
990         (Plugin_manager::cleanup_done_): Remove.
991         (Plugin_manager::add_input_file): Edit error message.
992         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
993         (Plugin_manager::cleanup): Remove use of cleanup_done_.
994
995 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
996
997         * fileread.cc: (File_read::View::~View): Use the new
998         data_ownership_ filed.
999         (File_read::~File_read): Dispose the new whole_file_view_.
1000         (File_read::open): Mmap the whole file if needed.
1001         (File_read::open): Use whole_file_view_ instead of contents_.
1002         (File_read::find_view): Use whole_file_view_ if applicable.
1003         (File_read::do_read): Use whole_file_view_ instead of contents_.
1004         (File_read::make_view): Use whole_file_view_ instead of contents_,
1005         update File_read::View::View call.
1006         (File_read::find_or_make_view): Update File_read::View::View
1007         call.
1008         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
1009         remove contents_
1010         (File_read::View::Data_ownership): New enum.
1011         (File_read::View::View): Replace bool mapped_ with Data_ownership
1012         argument.
1013         (File_read::View::mapped_): Remove (replaced by data_ownership_).
1014         (File_read::View::data_ownership_): New field.
1015         (File_read::contents_): Remove (replaced by whole_file_view_).
1016         (File_read::whole_file_view_): New field.
1017         * options.h (class General_options): Add --keep-files-mapped.
1018
1019 2009-10-27  Cary Coutant  <ccoutant@google.com>
1020
1021         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
1022         * testsuite/Makefile.am (plugin_test_5): New test case.
1023         * testsuite/Makefile.in: Regenerate.
1024
1025 2009-10-25  Doug Kwan  <dougkwan@google.com>
1026
1027         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
1028         from private to protected to allow access by child class.
1029         (Sized_relobj::do_relocate_sections): New method declaration.
1030         (Sized_relobj::relocate_sections): Virtualize.
1031         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from 
1032         Sized_relobj::relocate_sections.  Instantiate template explicitly
1033         for different target sizes and endianity.
1034
1035 2009-10-24  Doug Kwan  <dougkwan@google.com>
1036
1037         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
1038         (Arm_input_section::as_arm_input_section): New method.
1039         (Arm_output_section): New class definition.
1040         (Arm_output_section::create_stub_group,
1041         Arm_output_section::group_sections): New method definitions.
1042
1043 2009-10-22  Doug Kwan  <dougkwan@google.com>
1044
1045         * arm.cc (Arm_input_section): New class definition.
1046         (Arm_input_section::init, Arm_input_section:do_write,
1047         Arm_input_section::set_final_data_size,
1048         Arm_input_section::do_reset_address_and_file_offset): New method
1049         definitions.
1050
1051 2009-10-21  Doug Kwan  <dougkwan@google.com>
1052
1053         * arm.cc (Stub_table, Arm_input_section): New forward class
1054         declarations.
1055         (Stub_table): New class defintion.
1056         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
1057         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
1058         New method definition.
1059
1060 2009-10-21  Doug Kwan  <dougkwan@google.com>
1061
1062         * arm.cc: Update copyright comments.
1063         (Target_arm): New forward class template declaration.
1064         (Arm_address): New type.
1065         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
1066         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
1067         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
1068         constants.
1069         (Insn_template): Same.
1070         (DEF_STUBS): New macro.
1071         (Stub_type): New enum type.
1072         (Stub_template): New class definition.
1073         (Stub): Same.
1074         (Reloc_stub): Same.
1075         (Stub_factory): Same.
1076         (Target_arm::Target_arm): Initialize may_use_blx_ and
1077         should_force_pic_veneer_.
1078         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
1079         Target_arm::should_force_pic_veneer,
1080         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
1081         Target_arm::using_thumb_only, Target_arm:;default_target): New
1082         method defintions.
1083         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
1084         New data member declarations.
1085         (Insn_template::size, Insn_template::alignment): New method defintions.
1086         (Stub_template::Stub_template): New method definition.
1087         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
1088         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
1089         (Stub_factory::Stub_factory): New method definition.
1090         * gold.h (string_hash): New template.
1091         * output.h (Input_section_specifier::hash_value): Use
1092         gold::string_hash.
1093         (Input_section_specifier::string_hash): Remove.
1094         * stringpool.cc (Stringpool_template::string_hash): Use
1095         gold::string_hash.
1096
1097 2009-10-20  Doug Kwan  <dougkwan@google.com>
1098
1099         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
1100         symbols of relaxed input sections.
1101         * output.h (Output_section::find_relaxed_input_section): Make
1102         method public.
1103
1104 2009-10-16  Doug Kwan  <dougkwan@google.com>
1105
1106         * dynobj.cc (Versions::Versions): Initialize version_script_.
1107         Only insert base version symbol definition for a shared object
1108         if version script defines any version versions.
1109         (Versions::define_base_version): New method definition.
1110         (Versions::add_def): Check that base version is not needed.
1111         (Versions::add_need): Define base version lazily.
1112         * dynobj.h (Versions::define_base_version): New method declaration.
1113         (Versions::needs_base_version_): New data member declaration.
1114         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
1115         (check_DATA): Add no_version_test.stdout.
1116         (libno_version_test.so, no_version_test.o no_version_test.stdout):
1117         New make rules.
1118         * testsuite/Makefile.in: Regenerate.
1119         * testsuite/no_version_test.c: New file.
1120         * testsuite/no_version_test.sh: Ditto.
1121
1122 2009-10-16  Doug Kwan  <dougkwan@google.com>
1123
1124         * expression.cc (class Segment_start_expression): New class definition.
1125         (Segment_start_expression::value): New method definition.
1126         (script_exp_function_segment_start): Return a new
1127         Segment_start_expression.
1128         * gold/script-c.h (script_saw_segment_start_expression): New function
1129         prototype.
1130         * script-sections.cc (Script_sections::Script_sections): Initialize
1131         SAW_SEGMENT_START_EXPRESSION_ to false.
1132         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
1133         and -Tbbs options to specify section addresses if given in
1134         command line and no SEGMENT_START expression is seen in a script.
1135         * script-sections.h (Script_sections::saw_segment_start_expression,
1136         Script_sections::set_saw_segment_start_expression): New method
1137         definition.
1138         (Script_sections::saw_segment_start_expression_): New data member
1139         declaration.
1140         * script.cc (script_saw_segment_start_expression): New function.
1141         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
1142         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
1143         script_test_7.sh and script_test_8.sh.
1144         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
1145         script_test_8.stdout.
1146         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
1147         (script_test_6, script_test_6.stdout, script_test_7,
1148         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
1149         * Makefile.in: Regenerate.
1150         * testsuite/script_test_6.sh: New file.
1151         * testsuite/script_test_6.t: Same.
1152         * testsuite/script_test_7.sh: Same.
1153         * testsuite/script_test_7.t: Same.
1154         * testsuite/script_test_8.sh: Same.
1155
1156 2009-10-16  Doug Kwan  <dougkwan@google.com>
1157
1158         * output.cc (Output_segment::set_section_list_address): Cast
1159         expressions to unsigned long long type to avoid format warnings.
1160
1161 2009-10-15  Ian Lance Taylor  <iant@google.com>
1162
1163         * script.cc (Script_options::add_symbol_assignment): Always add a
1164         dot assignment to script_sections_.
1165         * script-sections.cc (Script_sections::add_dot_assignment):
1166         Initialize if necessary.
1167
1168         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
1169         program headers with no load segment if there is a linker script.
1170
1171         * layout.cc (Layout::set_segment_offsets): Align the file offset
1172         to the segment aligment for -N or -n with no load segment.
1173         * output.cc (Output_segment::add_output_section): Don't crash if
1174         the first section is a TLS section.
1175         (Output_segment::set_section_list_addresses): Print an error
1176         message if the address moves backward in a linker script.
1177         * script-sections.cc
1178         (Output_section_element_input::set_section_addresses): Don't
1179         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
1180         (Orphan_output_section::set_section_addresses): Likewise.
1181
1182 2009-10-15  Doug Kwan  <dougkwan@google.com>
1183
1184         * layout.cc (Layout::finish_dynamic_section): Generate tags
1185         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
1186         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
1187         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
1188
1189 2009-10-14  Ian Lance Taylor  <iant@google.com>
1190
1191         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
1192         fields.
1193         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
1194         data_shdr fields of relinfo.
1195         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
1196         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
1197         R_386_TLS_LDO_32, adjust based on section flags.
1198         (Target_i386::Relocate::fix_up_ldo): Remove.
1199
1200 2009-10-13  Ian Lance Taylor  <iant@google.com>
1201
1202         Add support for -pie.
1203         * options.h (class General_options): Add -pie and
1204         --pic-executable.
1205         (General_options::output_is_position_independent): Test -pie.
1206         (General_options::output_is_executable): Return true if not shared
1207         and not relocatable.
1208         (General_options::output_is_pie): Remove.
1209         * options.cc (General_options::finalize): Reject incompatible uses
1210         of -pie.
1211         * gold.cc (queue_middle_tasks): A -pie link is not static.
1212         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
1213         * symtab.cc (Symbol::final_value_is_known): Return false if
1214         output_is_position_independent.
1215         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
1216         output_is_position_independent.
1217         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
1218         output_is_position_independent.
1219         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
1220         output_is_position_independent.
1221         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
1222         two_file_pie_test.
1223         (basic_pie_test.o, basic_pie_test): New targets.
1224         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
1225         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
1226         (two_file_pie_test): New target.
1227         * testsuite/Makefile.in: Rebuild.
1228         * README: Remove note saying that -pie is not supported.
1229
1230 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1231
1232         * options.h (class General_options): Add -init and -fini.
1233         * layout.cc (Layout::finish_dynamic_section): Emit
1234         given init and fini functions.
1235
1236 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
1237
1238         * gc.h (gc_process_relocs): Check if icf is enabled using new
1239         function.
1240         * gold.cc (queue_initial_tasks): Likewise.
1241         (queue_middle_tasks): Likewise.
1242         * object.cc (do_layout): Likewise.
1243         * symtab.cc (is_section_folded): Likewise.
1244         * main.cc (main): Likewise.
1245         * reloc.cc (Read_relocs::run): Likewise.
1246         (Sized_relobj::do_scan_relocs): Likewise.
1247         * icf.cc (is_function_ctor_or_dtor): New function.
1248         (Icf::find_identical_sections): Check if function is ctor or dtor when
1249         safe icf is chosen.
1250         * options.h (General_options::icf): Change option to be an enum.
1251         (Icf_status): New enum.
1252         (icf_enabled): New method.
1253         (icf_safe_folding): New method.
1254         (set_icf_status): New method.
1255         (icf_status_): New variable.
1256         * (options.cc) (General_options::finalize): Set icf_status_.
1257         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
1258         icf_test and icf_keep_unique_test to use the --icf enum flag.
1259         * testsuite/icf_safe_test.sh: New file.
1260         * testsuite/icf_safe_test.cc: New file. 
1261
1262 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
1263
1264         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
1265         includes to gc.h and icf.h.
1266         * arm.cc: Include gc.h.
1267         * gold.cc: Likewise.
1268         * i386.cc: Likewise.
1269         * powerpc.cc: Likewise.
1270         * sparc.cc: Likewise.
1271         * x86_64.cc: Likewise.
1272         * gc.h: Include icf.h.
1273
1274 2009-10-11  Ian Lance Taylor  <iant@google.com>
1275
1276         * plugin.cc: Include "gold.h" before other header files.
1277
1278 2009-10-10  Chris Demetriou  <cgd@google.com>
1279
1280         * options.h (Input_file_argument::Input_file_type): New enum.
1281         (Input_file_argument::is_lib_): Replace with...
1282         (Input_file_argument::type_): New member.
1283         (Input_file_argument::Input_file_argument): Take Input_file_type
1284         'type' rather than boolean 'is_lib' as second argument.
1285         (Input_file_argument::is_lib): Use type_.
1286         (Input_file_argument::is_searched_file): New function.
1287         (Input_file_argument::may_need_search): Handle is_searched_file.
1288         * options.cc (General_options::parse_library): Support -l:filename.
1289         (General_options::parse_just_symbols): Update for Input_file_argument
1290         changes.
1291         (Command_line::process): Likewise.
1292         * archive.cc (Archive::get_file_and_offset): Likewise.
1293         * plugin.cc (Plugin_manager::release_input_file): Likewise.
1294         * script.cc (read_script_file, script_add_file): Likewise.
1295         * fileread.cc (Input_file::Input_file): Likewise.
1296         (Input_file::will_search_for): Handle is_searched_file.
1297         (Input_file::open): Likewise.
1298         * readsyms.cc (Read_symbols::get_name): Likewise.
1299         * testsuite/Makefile.am (searched_file_test): New test.
1300         * testsuite/Makefile.in: Regenerate.
1301         * testsuite/searched_file_test.cc: New file.
1302         * testsuite/searched_file_test_lib.cc: New file.
1303
1304 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1305             Ian Lance Taylor  <iant@google.com>
1306
1307         * descriptor.cc: Include <cstdio> and "binary-io.h".
1308         (Descriptors::open): Open the files in binary mode always.
1309         * script.cc (Lex::get_token): Treat \r as whitespace.
1310
1311 2009-10-09  Ian Lance Taylor  <iant@google.com>
1312
1313         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
1314
1315 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1316             Ian Lance Taylor  <iant@google.com>
1317
1318         * configure.ac: Check for readv function also.
1319         * fileread.cc (readv): Define if not HAVE_READV.
1320         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
1321         does not exist.
1322         * config.in: Regenerate.
1323         * configure: Regenerate.
1324
1325 2009-10-09  Doug Kwan  <dougkwan@google.com>
1326
1327         * layout.cc (Layout::make_output_section): Call target hook to make
1328         ordinary output section.
1329         (Layout::finalize): Adjust parameter list of call the
1330         Target::may_relax().
1331         * layout.h (class Layout::section_list): New method.
1332         * merge.h (Output_merge_base::entsize): Change visibility to public.
1333         (Output_merge_base::is_string, Output_merge_base::do_is_string):
1334         New methods.
1335         (Output_merge_string::do_is_string): New method.
1336         * object.cc (Sized_relobj::do_setup): renamed from
1337         Sized_relobj::set_up.
1338         * object.h (Sized_relobj::adjust_shndx,
1339         Sized_relobj::initializ_input_to_output_maps,
1340         Sized_relobj::free_input_to_output_maps): Change visibilities to
1341         protected.
1342         (Sized_relobj::setup): Virtualize.
1343         (Sized_relobj::do_setup): New method declaration.
1344         (Sized_relobj::invalidate_section_offset,
1345         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
1346         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
1347         * options.cc (parse_int): New function.
1348         * options.h (parse_int): New declaration.
1349         (DEFINE_int): New macro.
1350         (stub_group_size): New option.
1351         * output.cc (Output_section::Output_section): Initialize memebers
1352         merge_section_map_, merge_section_by_properties_map_,
1353         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
1354         (Output_section::add_input_section): Handled deferred code-fill
1355         generation and remove an old comment.
1356         (Output_section::add_relaxed_input_section): New method definition.
1357         (Output_section::add_merge_input_section): Use merge section by
1358         properties map to speed to search.  Update merge section maps
1359         as appropriate.
1360         (Output_section::build_relaxation_map): New method definition.
1361         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
1362         Same.
1363         (Output_section::relax_input_section): Renamed to
1364         Output_section::convert_input_sections_to_relaxed_sections and change
1365         interface to take a vector of pointers to relaxed sections.
1366         (Output_section::find_merge_section,
1367         Output_section::find_relaxed_input_section): New method definitions.
1368         (Output_section::is_input_address_mapped,
1369         Output_section::output_offset, Output_section::output_address):
1370         Use output section data maps to speed up searching.
1371         (Output_section::find_starting_output_address): Add comments.
1372         (Output_section::do_write,
1373         Output_section::write_to_postprocessing_buffer): Do code-fill
1374         generation as appropriate.
1375         (Output_section::get_input_sections): Invalidate relaxed input section
1376         map.
1377         (Output_section::restore_states): Adjust type of checkpoint .
1378         Invalidate relaxed input section map.
1379         * output.h (Output_merge_base): New class declaration.
1380         (Input_section_specifier): New class defintion.
1381         (class Output_relaxed_input_section) Change base class to
1382         Output_section_data_build.
1383         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
1384         base class initializer.
1385         (Output_section::add_relaxed_input_section): New method declaration.
1386         (Output_section::Input_section): Change visibility to protected.
1387         (Output_section::Input_section::relobj,
1388         Output_section::Input_section::shndx): Handle relaxed input sections.
1389         Output_section::input_sections) Change visibility to protected.  Also
1390         define overload to return a non-const pointer.
1391         (Output_section::Merge_section_properties): New class defintion.
1392         (Output_section::Merge_section_by_properties_map,
1393         Output_section::Output_section_data_by_input_section_map,
1394         Output_section::Relaxation_map): New types.
1395         (Output_section::relax_input_section): Rename method to
1396         Output_section::convert_input_sections_to_relaxed_sections and change
1397         interface to take a vector of relaxed section pointers.
1398         (Output_section::find_merge_section,
1399         Output_section::find_relaxed_input_section,
1400         Output_section::build_relaxation_map,
1401         Output_section::convert_input_sections_in_list_to_relaxed_sections):
1402         New method declarations.
1403         (Output_section::merge_section_map_
1404         Output_section::merge_section_by_properties_map_,
1405         Output_section::relaxed_input_section_map_,
1406         Output_section::is_relaxed_input_section_map_valid_,
1407         Output_section::generate_code_fills_at_write_): New data members.
1408         * script-sections.cc
1409         (Output_section_element_input::set_section_addresses): Call
1410         current_data_size and addralign methods of relaxed input sections.
1411         (Orphan_output_section::set_section_addresses): Call current_data_size
1412         and addralign methods of relaxed input sections.
1413         * symtab.cc (Symbol_table::compute_final_value): Extract template
1414         from the body of Symbol_table::sized_finalize_symbol.
1415         (Symbol_table::sized_finalized_symbol): Call
1416         Symbol_table::compute_final_value.
1417         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
1418         (Symbol_table::compute_final_value): New templated method declaration.
1419         * target.cc (Target::do_make_output_section): New method defintion.
1420         * target.h (Target::make_output_section): New method declaration.
1421         (Target::relax): Add more parameters for input objects, symbol table
1422         and layout.  Adjust call to do_relax.
1423         (Target::do_make_output_section): New method declaration.
1424         (Target::do_relax): Add parameters for input objects, symbol table
1425         and layout.
1426
1427 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1428
1429         * pread.c: Include stdio.h.
1430
1431 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1432
1433         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
1434         defined.
1435
1436 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1437
1438         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
1439         Change read_shndx type to unsigned int.
1440         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
1441         int.
1442         (Sized_dwarf_line_info::read_line_mappings): Likewise.
1443         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
1444         Change read_shndx type to unsigned int.
1445         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
1446         int.
1447         (Sized_dwarf_line_info::read_line_mappings): Likewise.
1448         * layout.cc (Layout::create_symtab_sections): Cast the result of
1449         local_symcount * symsize to off_t in the gold_assert.
1450
1451 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1452
1453         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
1454         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
1455         R_ARM_BASE_ABS.
1456         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
1457         (Arm_relocate_functions::thm_abs5): New function.
1458         (Arm_relocate_functions::abs12): New function.
1459         (Arm_relocate_functions::abs16): New function.
1460         (Arm_relocate_functions::base_abs): New function.
1461         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
1462         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
1463         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
1464         R_ARM_BASE_ABS.
1465         (Scan::global): Likewise.
1466         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
1467         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
1468         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
1469         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
1470         R_ARM_BASE_ABS.
1471
1472 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1473
1474         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
1475         (Arm_relocate_functions::movt_prel): New function.
1476         (Arm_relocate_functions::thm_movw_prel_nc): New function.
1477         (Arm_relocate_functions::thm_movt_prel): New function.
1478         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
1479         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
1480         (Scan::global, Relocate::relocate): Likewise.
1481         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
1482
1483 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
1484
1485         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
1486         Incremental_checker.
1487         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
1488         unsigned int.
1489         (class Incremental_inputs_header): New class.
1490         (Incremental_inputs_header_writer): Edit comment.
1491         (Incremental_inputs_entry): New class.
1492         (Incremental_inputs_entry_writer): Edit comment.
1493         (Sized_incremental_binary::do_find_incremental_inputs_section):
1494         Add *strtab_shndx parameter, fill it.
1495         (Sized_incremental_binary::do_check_inputs): New method.
1496         (Incremental_checker::can_incrementally_link_output_file): Use
1497         Sized_incremental_binary::check_inputs.
1498         (Incremental_inputs::report_command_line): Save command line in
1499         command_line_.
1500         * incremental.h:
1501         (Incremental_binary::find_incremental_inputs_section): New
1502         method.
1503         (Incremental_binary::do_find_incremental_inputs_section): Add
1504         strtab_shndx parameter.
1505         (Incremental_binary::do_check_inputs): New pure virtual method.
1506         (Sized_incremental_binary::do_check_inputs): Declare.
1507         (Incremental_checker::Incremental_checker): Add incremental_inputs
1508         parameter, use it to initialize incremental_inputs_.
1509         (Incremental_checker::incremental_inputs_): New field.
1510         (Incremental_checker::command_line): New method.
1511         (Incremental_checker::inputs): New method.
1512         (Incremental_checker::command_line_): New field.
1513
1514 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
1515
1516         * incremental.cc: Include <cstdarg> and "target-select.h".
1517         (vexplain_no_incremental): New function.
1518         (explain_no_incremental): New function.
1519         (Incremental_binary::error): New method.
1520         (Sized_incremental_binary::do_find_incremental_inputs_section): New
1521         method.
1522         (make_sized_incremental_binary): New function.
1523         (open_incremental_binary): New function.
1524         (can_incrementally_link_file): Add checks if output is ELF and has
1525         inputs section.
1526         * incremental.h: Include "elfcpp_file.h" and "output.h".
1527         (Incremental_binary): New class.
1528         (Sized_incremental_binary): New class.
1529         (open_incremental_binary): Declare.
1530         * object.cc (is_elf_object): Use
1531         elfcpp::Elf_recognizer::is_elf_file.
1532         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
1533         * output.h (Output_file::filesize): New method.
1534
1535 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1536
1537         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
1538         New function.
1539         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
1540         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
1541         function.
1542         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
1543         function.
1544         (Arm_relocate_functions::movw_abs_nc): New function.
1545         (Arm_relocate_functions::movt_abs): New function.
1546         (Arm_relocate_functions::thm_movw_abs_nc): New function.
1547         (Arm_relocate_functions::thm_movt_abs): New function.
1548         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
1549         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
1550         (Scan::global): Likewise.
1551         (Relocate::relocate): Likewise.
1552         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
1553
1554 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1555
1556         * arm.cc (Arm_relocate_functions::got_prel) New function.
1557         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
1558         (Relocate::relocate): Likewise.
1559         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
1560
1561 2009-10-06  Ian Lance Taylor  <iant@google.com>
1562
1563         * options.h (class General_options): Define
1564         split_stack_adjust_size parameter.
1565         * object.h (class Object): Add uses_split_stack_ and
1566         has_no_split_stack_ fields.  Add uses_split_stack and
1567         has_no_split_stack accessor functions.  Declare
1568         handle_split_stack_section.
1569         (class Reloc_symbol_changes): Define.
1570         (class Sized_relobj): Define Function_offsets.  Declare
1571         split_stack_adjust, split_stack_adjust_reltype, and
1572         find_functions.
1573         * object.cc (Object::handle_split_stack_section): New function.
1574         (Sized_relobj::do_layout): Call handle_split_stack_section.
1575         * dynobj.cc (Sized_dynobj::do_layout): Call
1576         handle_split_stack_section.
1577         * reloc.cc (Sized_relobj::relocate_sections): Call
1578         split_stack_adjust for executable sections in split_stack
1579         objects.  Pass reloc_map to relocate_section.
1580         (Sized_relobj::split_stack_adjust): New function.
1581         (Sized_relobj::split_stack_adjust_reltype): New function.
1582         (Sized_relobj::find_functions): New function.
1583         * target-reloc.h: Include "object.h".
1584         (relocate_section): Add reloc_symbol_changes parameter.  Change
1585         all callers.
1586         * target.h (class Target): Add calls_non_split method.  Declare
1587         do_calls_non_split virtual method.  Declare match_view and
1588         set_view_to_nop.
1589         * target.cc: Include "elfcpp.h".
1590         (Target::do_calls_non_split): New function.
1591         (Target::match_view): New function.
1592         (Target::set_view_to_nop): New function.
1593         * gold.cc (queue_middle_tasks): Give an error if mixing
1594         split-stack and non-split-stack objects with -r.
1595         * i386.cc (Target_i386::relocate_section): Add
1596         reloc_symbol_changes parameter.
1597         (Target_i386::do_calls_non_split): New function.
1598         * x86_64.cc (Target_x86_64::relocate_section): Add
1599         reloc_symbol_changes parameter.
1600         (Target_x86_64::do_calls_non_split): New function.
1601         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
1602         parameter.
1603         * powerpc.cc (Target_powerpc::relocate_section): Add
1604         reloc_symbol_changes parameter.
1605         * sparc.cc (Target_sparc::relocate_section): Add
1606         reloc_symbol_changes parameter.
1607         * configure.ac: Call AM_CONDITIONAL for the default target.
1608         * configure: Rebuild.
1609         * testsuite/Makefile.am (TEST_AS): New variable.
1610         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
1611         (check_DATA): Add split_i386 and split_x86_64 files.
1612         (SPLIT_DEFSYMS): Define.
1613         (split_i386_[1234n].o): New targets.
1614         (split_i386_[124]): New targets.
1615         (split_i386_[1234r].stdout): New targets.
1616         (split_x86_64_[1234n].o): New targets.
1617         (split_x86_64_[124]): New targets.
1618         (split_x86_64_[1234r].stdout): New targets.
1619         (MOSTLYCLEANFILES): Add new executables.
1620         * testsuite/split_i386.sh: New file.
1621         * testsuite/split_x86_64.sh: New file.
1622         * testsuite/split_i386_1.s: New file.
1623         * testsuite/split_i386_2.s: New file.
1624         * testsuite/split_i386_3.s: New file.
1625         * testsuite/split_i386_4.s: New file.
1626         * testsuite/split_i386_n.s: New file.
1627         * testsuite/split_x86_64_1.s: New file.
1628         * testsuite/split_x86_64_2.s: New file.
1629         * testsuite/split_x86_64_3.s: New file.
1630         * testsuite/split_x86_64_4.s: New file.
1631         * testsuite/split_x86_64_n.s: New file.
1632         * testsuite/testfile.cc (Target_test): Update relocation_section
1633         function.
1634         * testsuite/Makefile.in: Rebuild.
1635
1636 2009-10-06  Ian Lance Taylor  <iant@google.com>
1637
1638         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
1639         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
1640         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
1641         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
1642         the address on ldo_addrs_.
1643         (Target_i386::Relocate::fix_up_ldo): New function.
1644
1645 2009-10-06   Rafael Espindola  <espindola@google.com>
1646
1647         * plugin.cc (add_input_library): New.
1648         (Plugin::load): Add add_input_library to tv.
1649         (Plugin_manager::add_input_file): Add the is_lib argument.
1650         (add_input_file): Update call to Plugin_manager::add_input_file.
1651         (add_input_library): New.
1652         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
1653
1654 2009-09-30  Doug Kwan  <dougkwan@google.com>
1655
1656         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
1657         symbol and call Symbol::may_need_copy_reloc to determine if
1658         a copy reloc is needed.
1659         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
1660         nocopyreloc is given in command line.
1661         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
1662         given in command line.
1663         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
1664         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
1665         of the removed Target_i386::may_need_copy_reloc.
1666         * options.h (copyreloc): New option with default value false.
1667         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
1668         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
1669         instead of the removed Target_powerpc::may_need_copy_reloc.
1670         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
1671         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
1672         instead of the removed Target_sparc::may_need_copy_reloc.
1673         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
1674         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
1675         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
1676         instead of the removed Target_x86_64::may_need_copy_reloc.
1677
1678 2009-09-30  Ian Lance Taylor  <iant@google.com>
1679
1680         * object.h (class Object): Remove target_ field, and target,
1681         sized_target, and set_target methods.
1682         (Object::sized_target): Remove.
1683         (class Sized_relobj): Update declarations.  Remove sized_target.
1684         * object.cc (Sized_relobj::setup): Remove target parameter.
1685         Change all callers.
1686         (Input_objects::add_object): Don't do anything with the target.
1687         (make_elf_sized_object): Add punconfigured parameter.  Change all
1688         callers.  Set or test parameter target.
1689         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
1690         Change all callers.
1691         * parameters.cc (Parameters::set_target): Change parameter type to
1692         be non-const.
1693         (Parameters::default_target): Remove.
1694         (set_parameters_target): Change parameter type to be non-const.
1695         (parameters_force_valid_target): New function.
1696         (parameters_clear_target): New function.
1697         * parameters.h (class Parameters): Update declarations.  Remove
1698         default_target method.  Add sized_target and clear_target
1699         methods.  Change target_ to be non-const.
1700         (set_parameters_target): Update declaration.
1701         (parameters_force_valid_target): Declare.
1702         (parameters_clear_target): Declare.
1703         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
1704         as NULL if we aren't searching.
1705         (Add_symbols::run): Don't check for compatible target.
1706         * fileread.cc (Input_file::open_binary): Call
1707         parameters_force_valid_target.
1708         * gold.cc (queue_middle_tasks): Likewise.
1709         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
1710         set_target on object.
1711         * dynobj.h (class Sized_dynobj): Update declarations.
1712         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
1713         make_elf_object returns NULL.
1714         (Archive::include_member): Don't check whether object target is
1715         compatible.
1716         * output.cc (Output_section::add_input_section): Get target from
1717         parameters.
1718         (Output_section::relax_input_section): Likewise.
1719         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
1720         parameters.
1721         (Sized_relobj::do_scan_relocs): Likewise.
1722         (Sized_relobj::relocate_sections): Likewise.
1723         * resolve.cc (Symbol_table::resolve): Likewise.
1724         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
1725         parameter.  Change all callers.
1726         (Symbol_table::add_from_object): Get target from parameters.
1727         (Symbol_table::add_from_relobj): Don't check object target.
1728         (Symbol_table::add_from_dynobj): Likewise.
1729         (Symbol_table::define_special_symbol): Get target from
1730         parameters.
1731         * symtab.h (class Symbol_table): Update declaration.
1732         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
1733         parameter.  Change all callers.  Clear parameter target.
1734         (Binary_test): Test target here.
1735         * testsuite/object_unittest.cc (gold_testsuite): Remove
1736         target_test_pointer parameter.  Change all callers.
1737         (Object_test): Test target here.
1738
1739 2009-09-26  Ian Lance Taylor  <iant@google.com>
1740
1741         * testsuite/initpri1.c: Don't try to use constructor priorities if
1742         compiling with gcc before 4.3.
1743
1744 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
1745
1746         * testsuite/retain_symbols_file_test.sh (check_present): Change
1747         output file name to retain_symbols_file_test.stdout.
1748         (check_absent): Likewise.
1749
1750 2009-09-18  Craig Silverstein  <csilvers@google.com>
1751
1752         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
1753         * options.cc: Include <cerrno> and <fstream>.
1754         (General_options::finalize): Parse -retain-symbols-file tag.
1755         * options.h: New flag.
1756         (General_options): New method should_retain_symbol, new
1757         variable symbols_to_retain.
1758         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
1759         should_retain_symbol map.
1760         * testsuite/Makefile.am (retain_symbols_file_test): New test.
1761         * testsuite/Makefile.in: Regenerate.
1762         * testsuite/retain_symbols_file_test.sh: New file.
1763
1764 2009-09-18  Nick Clifton  <nickc@redhat.com>
1765
1766         * po/es.po: Updated Spanish translation.
1767
1768 2009-09-17  Doug Kwan  <dougkwan@google.com>
1769
1770         * debug.h (DEBUG_RELAXATION): New constant.
1771         (DEBUG_ALL): Add DEBUG_RELAXATION.
1772         (debug_string_to_enum): Add relaxation debug option.
1773         * layout.cc
1774         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
1775         Layout::Relaxation_debug_check::read_sections,
1776         Layout::Relaxation_debug_check::read_sections): New method definitions.
1777         (Layout::Layout): Initialize data members
1778         record_output_section_data_from_scrips_,
1779         script_output_section_data_list_ and relaxation_debug_check_.
1780         (Layout::save_segments, Layout::restore_segments,
1781         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
1782         Layout::relaxation_loop_body): New method definitions.
1783         (Layout::finalize): Support relaxation.  Move section layout code to
1784         Layout::relaxation_loop_body.
1785         (Layout::set_asection_address_from_script): Move code for orphan
1786         section placement out.
1787         (Layout::place_orphan_sections_in_script): New method definition.
1788         * layout.h (Output_segment_headers, Output_file_header):
1789         New forward class declarations.
1790         (Layout::~Layout): Define.
1791         (Layout::new_output_section_data_from_script): New method definition.
1792         (Layout::place_orphan_sections_in_script): New method declaration.
1793         (Layout::Segment_states): New type declaration.
1794         (Layout::save_segments, Layout::restore_segments,
1795         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
1796         Layout::relaxation_loop_body): New method declarations.
1797         (Layout::Output_section_data_list): New type declaration.
1798         (Layout::Relaxation_debug_check): New class definition.
1799         (Layout::record_output_section_data_from_script_,
1800         Layout::script_output_section_data_list_, Layout::segment_states_,
1801         Layout::relaxation_debug_check_): New data members.
1802         * output.cc: (Output_section_headers::do_size): New method definition.
1803         (Output_section_headers::Output_section_headers): Move size
1804         computation to Output_section_headers::do_size.
1805         (Output_segment_headers::do_size): New method definition.
1806         (Output_file_header::Output_file_header): Move size computation to 
1807         Output_file_header::do_size and call it.
1808         (Output_file_header::do_size): New method definition.
1809         (Output_data_group::Output_data_group): Adjust call to
1810         Output_section_data.
1811         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
1812         (Output_symtab_xindex::do_write): Add array bound check.
1813         (Output_section::Input_section::print_to_mapfile): Handle
1814         RELAXED_INPUT_SECTION_CODE.
1815         (Output_section::Output_section): Initialize data member checkpoint_.
1816         (Output_section::~Output_section): Delete checkpoint object pointed
1817         by checkpoint_.
1818         (Output_section::add_input_section): Always add an Input_section if
1819         relaxing.
1820         (Output_section::add_merge_input_section): Add assert.
1821         (Output_section::relax_input_section): New method definition.
1822         (Output_section::set_final_data_size): Set load address to zero for
1823         an unallocated section.
1824         (Output_section::do_address_and_file_offset_have_reset_values):
1825         New method definition.
1826         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
1827         Handle relaxed input section.
1828         (Output_section::sort_attached_input_sections): Checkpoint input
1829         section list lazily.
1830         (Output_section::get_input_sections): Change type of input_sections to
1831         list of Simple_input_section pointers.  Checkpoint input section list
1832         lazily.  Also handle relaxed input sections.
1833         (Output_section::add_input_section_for_script): Take a reference to
1834         a Simple_input_section object instead of Relobj pointer and section
1835         index as parameter.  Handle relaxed input sections.
1836         (Output_section::save_states, Output_section::restore_states): New
1837         method definitions.
1838         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
1839         (Output_data::is_data_size_fixed): New method definition.
1840         (Output_data::reset_addresss_and_file_offset): Do not reset data size
1841         if it is fixed.
1842         (Output_data::address_and_file_offset_have_reset_values): New method
1843         definition.
1844         (Output_data::do_address_and_file_offset_have_reset_values): New method
1845         definition.
1846         (Output_data::set_data_size): Check that data size is not fixed.
1847         (Output_data::fix_data_size): New method definition.
1848         (Output_data::is_data_size_fixed_): New data member.
1849         (Output_section_headers::set_final_data_size): New method definition.
1850         (Output_section_headers::do_size): New method declaration.
1851         (Output_segment_headers::set_final_data_size): New method definition.
1852         (Output_segment_headers::do_size): New method declaration.
1853         (Output_file_header::set_final_data_size)::New method definition.
1854         (Output_file_header::do_size)::New method declaration.
1855         (Output_section_data::Output_section_data): Add new parameter
1856         is_data_size_fixed and use it to fix data size.
1857         (Output_data_const::Output_data_const): Adjust call to base class
1858         constructor and fix data size.
1859         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
1860         base class constructor and fix data size.
1861         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
1862         base class constructor and fix data size.
1863         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
1864         class constructor and fix data size.
1865         (Output_data_group::set_final_data_size): New method definition.
1866         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
1867         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
1868         class constructor and fix data size.
1869         (Output_relaxed_input_section): New class definition.
1870         (Output_section::Simple_input_section): New class definition.
1871         (Output_section::get_input_sections): Adjust parameter list.
1872         (Output_section::add_input_section_for_script): Same.
1873         (Output_section::save_states, Output_section::restore_states,
1874         Output_section::do_address_and_file_offset_have_reset_values,
1875         (Output_section::Input_section::Input_section): Handle
1876         RELAXED_INPUT_SECTION_CODE.  Add new overload for
1877         Output_relaxed_input_section.
1878         (Output_section::Input_section::is_input_section,
1879         Output_section::Input_section::set_output_section): Handle relaxed
1880         input section.
1881         (Output_section::Input_section::is_relaxed_input_section,
1882         Output_section::Input_section::output_section_data,
1883         Output_section::Input_section::relaxed_input_section): New method
1884         definitions.
1885         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
1886         value.
1887         (Output_section::Input_section::u1_): Update comments.
1888         (Output_section::Input_section::u2_): Add new union member poris.
1889         (Output_section::Checkpoint_output_section): New classs definition.
1890         (Output_section::relax_input_section): New method declaration.
1891         (Output_section::checkpoint_): New data member.
1892         (Output_segment): Update comments.
1893         (Output_segment::Output_segment): Un-privatize copy constructor.
1894         (Output_segment::operator=): Un-privatize.
1895         * script-sections.cc (Output_section_element::Input_section_list):
1896         Change element type to Output_section::Simple_input_section.
1897         (Output_section_element_dot_assignment::set_section_addresses):
1898         Register output section data for relaxation clean up.
1899         (Output_data_exression::Output_data_expression): Adjust call to base
1900         constructor to fix data size.
1901         (Output_section_element_data::set_section_addresses): Register
1902         Output_data_expression object for relaxation clean up.
1903         (struct Input_section_info): Replace Relobj pointer and section index
1904         pair with Output_section::Simple_input_section and Convert struct to a
1905         class.
1906         (Input_section_sorter::operator()): Adjust access to
1907         Input_section_info data member to use accessors. 
1908         (Output_section_element_input::set_section_addresses): Use layout
1909         parameter.  Adjust code to use Output_section::Simple_input_section
1910         and Input_secction_info classes.  Register filler for relaxation
1911         clean up.
1912         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
1913         and section index pair with Output_section::Simple_input_section
1914         class.  Adjust code accordingly.
1915         (Phdrs_element::release_segment): New method definition.
1916         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
1917         segment list.
1918         (Script_sections::release_segments): New method definition.
1919         * gold/script-sections.h (Script_sections::release_segments): New
1920         method declaration.
1921         * gold/target.h (Target::may_relax, Target::relax,
1922         Target::do_may_relax, Target::do_relax): New method definitions.
1923
1924 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1925
1926         * arm.cc (has_signed_unsigned_overflow): New function.
1927         (Arm_relocate_functions::abs8): New function.
1928         (Target_arm::Scan::local): Handle R_ARM_ABS8.
1929         (Target_arm::Scan::global): Likewise.
1930         (Target_arm::relocate::relocate): Likewise.
1931         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1932         Likewise.
1933
1934 2009-09-16  Cary Coutant  <ccoutant@google.com>
1935
1936         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
1937         * testsuite/Makefile.in: Regenerate.
1938
1939 2009-09-11  Nick Clifton  <nickc@redhat.com>
1940
1941         * po/gold.pot: Updated by the Translation project.
1942
1943 2009-09-08  Cary Coutant  <ccoutant@google.com>
1944
1945         * output.cc (Output_file::open): Add execute permission to empty file.
1946         * testsuite/Makefile.am (permission_test): New test.
1947         * testsuite/Makefile.in: Regenerate.
1948
1949 2009-09-02  Ian Lance Taylor  <iant@google.com>
1950
1951         * output.cc (Output_file::resize): Call map_no_anonymous rather
1952         than map.
1953
1954 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
1955
1956         * gold.cc: Include "incremental.h".
1957         (queue_initial_tasks): Call Incremental_checker methods.
1958         * incremental.cc: Include "output.h".
1959         (Incremental_checker::can_incrementally_link_output_file): New
1960         method.
1961         * incremental.h (Incremental_checker): New class.
1962
1963         * output.cc (Output_file::open_for_modification): New method.
1964         (Output_file::map_anonymous): Changed return type to bool.  Record
1965         map in base_ field.
1966         (Output_file::map_no_anonymous): New method, broken out of map.
1967         (Output_file::map): Use map_no_anonymous and map_anonymous.
1968         * output.h (class Output_file): Update declarations.
1969
1970 2009-08-24  Cary Coutant  <ccoutant@google.com>
1971
1972         * options.h (Command_line::Pre_options): New class.
1973         (Command_line::pre_options): New member.
1974         * options.cc (gold::options::ready_to_register): New variable.
1975         (One_option::register_option): Do nothing if not registering options.
1976         Assert if same short option registered twice.
1977         (General_options::General_options): Turn off option registration when
1978         done constructing.
1979         (Command_line::Pre_options::Pre_options): New constructor.
1980
1981 2009-08-24  Cary Coutant  <ccoutant@google.com>
1982
1983         * options.h (General_options::no_keep_memory): Remove incorrect
1984         short option.
1985
1986 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1987
1988         * Makefile.am (am__skiplex, am__skipyacc): New.
1989         * Makefile.in: Regenerate.
1990
1991 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1992
1993         * Makefile.am (AM_CPPFLAGS): Renamed from ...
1994         (INCLUDES): ... this.
1995         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
1996         (AM_CPPFLAGS): Renamed from ...
1997         (INCLUDE): ... this.
1998         * Makefile.in, testsuite/Makefile.in: Regenerate.
1999
2000         * Makefile.in: Regenerate.
2001         * aclocal.m4: Likewise.
2002         * config.in: Likewise.
2003         * configure: Likewise.
2004         * testsuite/Makefile.in: Likewise.
2005
2006         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
2007         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
2008         * Makefile.in: Regenerate.
2009         * testsuite/Makefile.in: Regenerate.
2010
2011 2009-08-19  Cary Coutant  <ccoutant@google.com>
2012
2013         * resolve.cc (Symbol_table::resolve): Don't complain about defined
2014         symbols in shared libraries overridden by hidden or internal symbols
2015         in the main program.
2016
2017 2009-08-19  Chris Demetriou  <cgd@google.com>
2018
2019         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
2020         checking source file names in error messages.
2021
2022 2009-08-18  Doug Kwan  <dougkwan@google.com>
2023
2024         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
2025         an elcpp::Ehdr as parameter.  Adjust call to set_target.
2026         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
2027         an elfcpp::Ehdr as parameter.
2028         * object.cc (Object::set_target): Remove the version that looks up
2029         a target and sets it.
2030         (Sized_relobj::setup): Take a Target object instead of
2031         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
2032         (make_elf_sized_object): Find target and ask target to
2033         make an ELF object.
2034         * object.h: (Object::set_target): Remove the version that looks up
2035         a target and sets it.
2036         (Sized_relobj::setup): Take a Target object instead of
2037         an elfcpp:Ehdr as parameter.
2038         * target.cc: Include dynobj.h.
2039         (Target::do_make_elf_object_implementation): New.
2040         (Target::do_make_elf_object): New.
2041         * target.h (Target::make_elf_object): New template declaration.
2042         (Target::do_make_elf_object): New method declarations.
2043         (Target::do_make_elf_object_implementation): New template declaration.
2044
2045 2009-08-14  Ian Lance Taylor  <iant@google.com>
2046
2047         * gold.h (FUNCTION_NAME): Define.
2048         (gold_unreachable): Use FUNCTION_NAME.
2049
2050 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
2051
2052         * icf.cc (Icf::find_identical_sections): Issue a warning when a
2053         symbol in the --keep-unique list is not found.
2054
2055 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
2056
2057         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
2058         been maked as --keep-unique.
2059         (Icf::unfold_section): New function.
2060         * icf.h (Icf::unfold_section): New function.
2061         * options.h (General_options::keep_unique): New option.
2062         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
2063         * testsuite/Makefile.in: Regenerate.
2064         * testsuite/icf_keep_unique_test.sh: New file.
2065         * testsuite/icf_keep_unique_test.cc: New file.
2066
2067 2009-08-12  Cary Coutant  <ccoutant@google.com>
2068
2069         PR 10471
2070         * resolve.cc (Symbol_table::resolve): Check for references from
2071         dynamic objects to hidden and internal symbols.
2072         * testsuite/Makefile.am (hidden_test.sh): New test.
2073         * testsuite/Makefile.in: Regenerate.
2074         * testsuite/hidden_test.sh: New script.
2075         * testsuite/hidden_test_1.c: New test source.
2076         * testsuite/hidden_test_main.c: New test source.
2077
2078 2009-08-11  Doug Kwan  <dougkwan@google.com>
2079
2080         * arm.cc: Update comments.
2081         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
2082         segment to locate the .ARM.exidx section if present.
2083
2084 2009-08-09  Doug Kwan  <dougkwan@google.com>
2085
2086         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
2087         patch.
2088
2089 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
2090         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
2091         compiler warnings.
2092
2093 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
2094
2095         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
2096         valid tls_segment only for non-debug-section relocations.
2097         * testsuite/Makefile.am: Add gc_tls_test.
2098         * testsuite/Makefile.in: Regenerate.
2099         * testsuite/gc_tls_test.cc: New file.
2100         * testsuite/gc_tls_test.sh: New file.
2101
2102 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
2103         
2104         * icf.cc: New file.
2105         * icf.h: New file.
2106         * Makefile.am (CCFILES): Add icf.cc.
2107         (HFILES): Add icf.h
2108         * Makefile.in: Regenerate.
2109         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
2110         * gc.h (gc_process_relocs): Populate lists used by icf to contain
2111         section, symbol and addend information for the relocs.
2112         * gold.cc (queue_middle_tasks): Call identical code folding.
2113         * gold.h: Add defines for multimap.
2114         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
2115         to the call of finalize_local_symbols.
2116         * main.cc (main): Create object of class Icf.
2117         * object.cc (Sized_relobj::do_layout): Allow this function to be
2118         called twice during icf.
2119         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
2120         to sections marked as identical by icf.
2121         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
2122         when available.
2123         (Sized_relobj::do_section_entsize): New function.
2124         * object.h (Object::section_entsize): New function.
2125         (Object::do_section_entsize): New pure virtual function.
2126         (Relobj::finalize_local_symbols): Add new parameter.
2127         (Relobj::do_section_entsize): New function.
2128         * options.h (General_options::icf): New option.
2129         (General_options::icf_iterations): New option.
2130         (General_options::print_icf_sections): New option.
2131         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
2132         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
2133         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
2134         icf.
2135         * symtab.cc (Symbol_table::is_section_folded): New function.
2136         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
2137         to sections marked as identical by icf.
2138         * symtab.h (Symbol_table::set_icf): New function.
2139         (Symbol_table::icf): New function.
2140         (Symbol_table::is_section_folded): New function.
2141         (Symbol_table::icf_): New data member.
2142         * target-reloc.h (relocate_section): Ignore sections folded by icf.
2143         * testsuite/Makefile.am: Add commands to build icf_test.
2144         * testsuite/Makefile.in: Regenerate.
2145         * testsuite/icf_test.sh: New file.
2146         * testsuite/icf_test.cc: New file.
2147
2148 2009-07-24  Chris Demetriou  <cgd@google.com>
2149
2150         * layout.cc (is_compressible_debug_section): Fix incorrect
2151         comment about compressed section names.
2152
2153 2009-07-20  Ian Lance Taylor  <ian@airs.com>
2154
2155         PR 10419
2156         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
2157
2158 2009-07-16  Ian Lance Taylor  <iant@google.com>
2159
2160         PR 10400
2161         * layout.h: #include <map>.
2162         (class Kept_section): Change from struct to class.  Add accessors
2163         and setters.  Add section size to Comdat_group mapping.  Change
2164         Comdat_group to std::map.  Add is_comdat_ field.  Add
2165         linkonce_size field in union.
2166         (class Layout): Update declaration of find_or_add_kept_section.
2167         Don't declare find_kept_object.
2168         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
2169         parameter.  Add object, shndx, is_comdat, and is_group_name
2170         parameters.  Change all callers.  Adjust for new Kept_section.
2171         (Layout::find_kept_object): Remove.
2172         * object.cc (Sized_relobj::include_section_group): Update use of
2173         Kept_section.  Rename secnum to shndx.  Only record
2174         Kept_comdat_section if sections are the same size.
2175         (Sized_relobj::include_linkonce_section): Update use of
2176         Kept_section.  Only record Kept_comdat_section if sections are the
2177         same size.  Set size of linkonce section.
2178         (Sized_relobj::map_to_kept_section): Update call to
2179         get_kept_comdat_section.
2180         * object.h (class Sized_relobj): Rename fields in
2181         Kept_comdat_section to drop trailing underscores; change object
2182         field to Relobj*.  Change Kept_comdat_section_table to store
2183         struct rather than pointer.
2184         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
2185         Add kept_object and kept_shndx parameters.  Change all callers.
2186         (Sized_relobj::get_kept_comdat_section): Change return type to
2187         bool.  Add kept_object and kept_shndx parameters.  Change all
2188         callers.
2189         * plugin.cc (Pluginobj::include_comdat_group): Update call to
2190         Layout::find_or_add_kept_section.
2191
2192 2009-07-09  Ian Lance Taylor  <iant@google.com>
2193
2194         * merge.cc (Object_merge_map::initialize_input_to_output_map):
2195         Reserve space in the hash table.
2196
2197 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
2198
2199         * fileread.cc (File_read::get_mtime): New method.
2200         * fileread.h (Timespec): New structure.
2201         (File_read::get_mtime): New method.
2202         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
2203         Renamed from timestamp_nsec.
2204         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
2205         Elf_Xword.
2206         (Incremental_inputs_entry_write::timestamp_usec): Renamed from 
2207         timestamp_nsec.
2208         (Incremental_inputs::report_archive): Save mtime; style fix. 
2209         (Incremental_inputs::report_obejct): Save mtime; style fix.
2210         (Incremental_inputs::report_script): Save mtime; style fix.
2211         (Incremental_inputs::finalize_inputs): Style fix.
2212         (Incremental_inputs::finalize): Style fix.
2213         (Incremental_inputs::create_input_section_data): Store inputs
2214         mtime.
2215         * incremental.h (Incremental_inputs::report_script): Add mtime
2216         argument.
2217         (Incremental_inputs::Input_info::Input_info): Intialize only one
2218         union member.
2219         (Incremental_inputs::Input_info::archive): Move to nameless
2220         union.
2221         (Incremental_inputs::Input_info::obejct): Move to nameless union.
2222         (Incremental_inputs::Input_info::script): Move to nameless union.
2223         (Incremental_inputs::mtime): New field.
2224         * script.cc (read_input_script): Pass file mtime to
2225         Incremental_input.
2226         * script.h (Script_info::inputs): Style fix.
2227
2228 2009-07-01  Ian Lance Taylor  <ian@airs.com>
2229
2230         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
2231         instead of 32.
2232
2233 2009-06-24  Ian Lance Taylor  <iant@google.com>
2234
2235         PR 10156
2236         * layout.cc (Layout::choose_output_section): If we find an
2237         existing section, update the flags.
2238         (Layout::create_notes): New function, broken out of
2239         Layout::finalize.
2240         (Layout::finalize): Don't create note sections.
2241         (Layout::create_note): Don't crash if linker script discards
2242         section.
2243         (Layout::create_gold_note): Likewise.
2244         (Layout::create_build_id): Likewise.  Don't set
2245         after_input_sections on the section.
2246         (Layout::create_executable_stack_info): Remove target parameter.
2247         Change caller.
2248         * layout.h (class Layout): Declare create_notes.  Update
2249         declaration of create_executable_stack_info.
2250         * gold.cc (queue_middle_tasks): Call create_notes.
2251         * output.cc (Output_section::update_flags_for_input_section): Move
2252         here from output.h.  If SHF_ALLOC flag is newly set, mark address
2253         invalid.
2254         * output.h (Output_data::mark_address_invalid): New function.
2255         (class Output_section): Only declare, not define,
2256         update_flags_for_input_section.  Remove set_flags.
2257
2258 2009-06-24  Ian Lance Taylor  <iant@google.com>
2259
2260         * script-sections.cc (Output_section_definition::
2261         set_section_addresses): Rename shadowing local load_address to
2262         laddr.
2263
2264 2009-06-24  Ian Lance Taylor  <iant@google.com>
2265
2266         PR 10244
2267         * reloc.cc (relocate_sections): Skip empty relocation sections.
2268
2269 2009-06-23  Ian Lance Taylor  <iant@google.com>
2270
2271         PR 10156
2272         * layout.cc (Layout::create_note): Use choose_output_section
2273         rather than make_output_section.
2274
2275 2009-06-23  Ian Lance Taylor  <iant@google.com>
2276
2277         PR 10237
2278         * options.cc (General_options::parse_V): Set printed_version_.
2279         (General_options::General_options): Initialize printed_version_.
2280         * options.h (class General_options): Add printed_version_ field.
2281         * gold.cc (queue_initial_tasks): If there are no input files,
2282         don't give a fatal error if we printed the version information.
2283         (queue_middle_tasks): If using -r with a shared object, give a
2284         fatal error rather than an ordinary error.
2285
2286 2009-06-23  Ian Lance Taylor  <iant@google.com>
2287
2288         PR 10219
2289         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
2290         (Layout::make_output_section): Set have_stabstr_section_ if we see
2291         a .stab*str section.
2292         (Layout::finalize): Call link_stabs_sections.
2293         (Layout::link_stabs_sections): New file.
2294         * layout.h (class Layout): Add have_stabstr_section_ field.
2295         Declare link_stabs_sections.
2296
2297 2009-06-23  Doug Kwan  <dougkwan@google.com>
2298
2299         * Makefile.am (libgold_a_LIBADD): New.
2300         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
2301         * Makefile.in: Regenerate.
2302         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
2303         * configure: Regenerate.
2304         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
2305         * fileread.cc: Include sys/state.h
2306         * gold.h: Declare memmem and strndup if found missing.
2307         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
2308
2309 2009-06-23  Ian Lance Taylor  <iant@google.com>
2310
2311         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
2312         * configure: Rebuild.
2313
2314 2009-06-23  Ian Lance Taylor  <iant@google.com>
2315
2316         PR 10147
2317         * object.cc (Object::section_contents): Don't try to get a view if
2318         the section has length zero.
2319         (Object::handle_gnu_warning_section): If the section is empty, use
2320         the name of the section as the warning.
2321
2322 2009-06-23  Ian Lance Taylor  <iant@google.com>
2323
2324         PR 10133
2325         * stringpool.h (class Stringpool_template): Add optimize_ field.
2326         (Stringpool_template::set_optimize): New function.
2327         * stringpool.cc (Stringpool_template::Stringpool_template):
2328         Initialize optimize_ field.
2329         (Stringpool_template::set_string_offsets): Test local optimize
2330         fild rather than parameter.
2331         * layout.cc (Layout::Layout): Call set_optimize on the section
2332         name stringpool.
2333
2334 2009-06-22  Ian Lance Taylor  <iant@google.com>
2335
2336         PR 10030
2337         * yyscript.y: Parse TARGET.
2338         * script.cc (script_set_target): New function.
2339         * script-c.h (script_set_target): Declare.
2340         * options.cc (General_options::string_to_object_format): Rename
2341         from string_to_object_format in anonymous namespace.  Change
2342         callers.
2343         * options.h (class General_options): Declare
2344         string_to_object_format.
2345
2346 2009-06-22  Ian Lance Taylor  <iant@google.com>
2347
2348         * script-sections.cc (Script_sections::create_segments): Don't put
2349         program headers in a PT_LOAD segment if -n or -N.
2350
2351 2009-06-22  Ian Lance Taylor  <iant@google.com>
2352
2353         PR 10141
2354         * options.h (class General_options): Add -z lazy and -z now.  Sort
2355         -z options into alphabetical order.
2356         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
2357
2358 2009-06-21  Ian Lance Taylor  <iant@google.com>
2359
2360         * layout.cc (Layout::make_output_section): Call
2361         Target::new_output_section.
2362         (Layout::attach_allocated_section_to_segment): Put large section
2363         sections in a separate load segment with the large segment flag
2364         set.
2365         (Layout::segment_precedes): Sort large data segments after other
2366         load segments.
2367         (align_file_offset): New static function.
2368         (Layout::set_segment_offsets): Use align_file_offset.
2369         * output.h (class Output_section): Add is_small_section_ and
2370         is_large_section_ fields.
2371         (Output_section::is_small_section): New function.
2372         (Output_section::set_is_small_section):  New function.
2373         (Output_section::is_large_section): New function.
2374         (Output_section::set_is_large_section): New function.
2375         (Output_section::is_large_data_section): New function.
2376         (class Output_segment): Add is_large_data_segment_ field.
2377         (Output_segment::is_large_data_segment): New function.
2378         (Output_segment::set_is_large_data_segment): New function.
2379         * output.cc (Output_section::Output_section): Initialize new
2380         fields.
2381         (Output_segment::Output_segment): Likewise.
2382         (Output_segment::add_output_section): Add assertion that large
2383         data sections always go in large data segments.  Force small data
2384         sections to the end of the list of data sections.  Force small BSS
2385         sections to the start of the list of BSS sections.  For large BSS
2386         sections to the end of the list of BSS sections.
2387         * symtab.h (class Symbol): Declare is_common_shndx.
2388         (Symbol::is_defined): Check Symbol::is_common_shndx.
2389         (Symbol::is_common): Likewise.
2390         (class Symbol_table): Define enum Commons_section_type.  Update
2391         declarations.  Add small_commons_ and large_commons_ fields.
2392         * symtab.cc (Symbol::is_common_shndx): New function.
2393         (Symbol_table::Symbol_table): Initialize new fields.
2394         (Symbol_table::add_from_object): Put small and large common
2395         symbols in the right list.
2396         (Symbol_table::sized_finalized_symbol): Check
2397         Symbol::is_common_shndx.
2398         (Symbol_table::sized_write_globals): Likewise.
2399         * common.cc (Symbol_table::do_allocate_commons): Allocate new
2400         common symbol lists.  Don't call do_allocate_commons_list if the
2401         list is empty.
2402         (Symbol_table::do_allocate_commons_list): Remove is_tls
2403         parameter.  Add comons_section_type parameter.  Change all
2404         callers.  Handle small and large common symbols.
2405         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
2406         Symbol::is_common_shndx.
2407         * resolve.cc (symbol_to_bits): Likewise.
2408         * target.h (Target::small_common_shndx): New function.
2409         (Target::small_common_section_flags): New function.
2410         (Target::large_common_shndx): New function.
2411         (Target::large_common_section_flags): New function.
2412         (Target::new_output_section): New function.
2413         (Target::Target_info): Add small_common_shndx, large_common_shndx,
2414         small_common_section_flags, and large_common_section_flags
2415         fields.
2416         (Target::do_new_output_section): New virtual function.
2417         * arm.cc (Target_arm::arm_info): Initialize new fields.
2418         * i386.cc (Target_i386::i386_info): Likewise.
2419         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
2420         Likewise.
2421         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
2422         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
2423         (Target_x86_64::do_new_output_section): New function.
2424         * configure.ac: Define conditional MCMODEL_MEDIUM.
2425         * testsuite/Makefile.am (check_PROGRAMS): Add large.
2426         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
2427         (large_LDFLAGS): Define.
2428         * testsuite/large.c: New file.
2429         * testsuite/testfile.cc (Target_test::test_target_info):
2430         Initialize new fields.
2431         * configure, testsuite/Makefile.in: Rebuild.
2432
2433 2009-06-05  Doug Kwan  <dougkwan@google.com>
2434
2435         * Makefile.am (CCFILES): Add target.cc.
2436         * Makefile.in: Regenerate. 
2437         * i386.cc (class Target_i386): Define new virtual method to
2438         override do_is_local_label_name in parent.
2439         * object.cc (Sized_relobj::do_count_local_symbols): Discard
2440         local symbols if --discard-locals or -X is given.
2441         * options.h (class General_options): Declare new options
2442         '--discard-locals' and '-X' for discarding locals.
2443         * target.h (class Target): Define new methods is_local_label_name.
2444         Declare new virtual method do_is_local_label_name.
2445         * target.cc: New file.
2446         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
2447         (check_SCRIPTS): Add discard_locals_test.sh.
2448         (check_DATA): Add discard_local_tests.syms.
2449         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
2450         (discard_local_tests.syms, discard_locals_test.o): New make rules.
2451         * testsuite/Makefile.in: Regenerate.
2452         * testsuite/discard_locals_test.c: New file.
2453         * testsuite/discard_locals_test.sh: Same.
2454
2455 2009-06-05  Doug Kwan  <dougkwan@google.com>
2456
2457         * object.cc (Sized_relobj::Sized_relobj): Initialize
2458         discarded_eh_frame_shndx_ to -1U.
2459         (Sized_relobj::do_layout): Record index of a discard .eh_frame
2460         section.
2461         (Sized_relobj::do_count_local_symbols): Skip local symbols in
2462         a discarded .eh_frame section.
2463         (Sized_relobj::do_finalize_local_symbols): Ditto.
2464         * object.h (class Sized_relobj): Declare new member
2465         discarded_eh_frame_shndx_.
2466         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
2467         (local_labels_test.o, local_labels_test): New rules.
2468         * testsuite/Makefile.in: Regenerate.
2469
2470 2009-06-04  Doug Kwan  <dougkwan@google.com>
2471
2472         * layout.cc (Layout::section_name_mapping): Add mapping for
2473         special ARM sections.
2474
2475 2009-06-03  Doug Kwan  <dougkwan@google.com>
2476
2477         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
2478         (utils::has_overflow): Same.
2479
2480 2009-06-03  Ian Lance Taylor  <iant@google.com>
2481
2482         * layout.cc (Layout::section_name_mapping): New array, replacing
2483         Layout::linkonce_mapping.
2484         (Layout::section_name_mapping_count): New variable, replacing
2485         Layout::linkonce_mapping_count.
2486         (Layout::linkonce_output_name): Remove.
2487         (Layout::output_section_name): Rewrite.
2488         * layout.h (class Layout): Rename Linkonce_mapping to
2489         Section_name_mapping, linkonce_mapping to section_name_mapping,
2490         linkonce_mapping_count to section_name_mapping_count.  Don't
2491         declare linkonce_output_name.
2492
2493 2009-06-03  Doug Kwan  <dougkwan@google.com>
2494
2495         * gold/arm.cc (namespace utils): New.
2496         (Target_arm::reloc_is_non_pic): Define new method.
2497         (class Arm_relocate_functions): New.
2498         (Target_arm::Relocate::relocate): Handle relocation types used by
2499         Android.
2500
2501 2009-06-03  Ian Lance Taylor  <iant@google.com>
2502
2503         * arm.cc (Target_arm::scan::global): Use || instead of |.
2504
2505 2009-06-02  Doug Kwan  <dougkwan@google.com>
2506
2507         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
2508         issued_non_pic_error_.
2509         (class Target_arm::Scan): Declare new method check_non_pic.
2510         Define new method symbol_needs_plt_entry.
2511         Declare new data member issued_non_pic_error_.
2512         (class Target_arm::Relocate): Declare new method
2513         should_apply_static_reloc.
2514         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
2515         (Target_arm::Scan::check_non_pic): Define new method.
2516         (Target_arm::Scan::local): Handle a small subset of reloc types used
2517         by Android.
2518         (Target_arm::Scan::local): Same.
2519         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
2520
2521 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
2522
2523         * incremental.cc (Incremental_inputs::report_command_line): Filter
2524         out --incremental-* options.
2525
2526 2009-05-29  Doug Kwan  <dougkwan@google.com>
2527
2528         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
2529         template class.
2530         (class Target_arm): Update comment.
2531         (Target_arm::Target_arm): Initialize new data members GOT_,
2532         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
2533         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
2534         and Target_arm::rel_dyn_section.
2535         Declare new_enum Target_arm::Got_type.
2536         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
2537         and DYNBSS_.
2538         Update commments for member do_dynsym_value.
2539         (Target_arm::got_size, Target_arm::plt_section,
2540         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
2541         new methods inside class defintion.
2542         (Target_arm::got_section): Define new method.
2543         (Target_arm::rel_dyn_section): Same.
2544         (Output_data_plt_arm): New template class.
2545         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
2546         (Output_data_plt_arm:do_adjust_output_section): Define new method.
2547         (Output_data_plt_arm::add_entry): Same.
2548         (Output_data_plt_arm::first_plt_entry): Define new
2549         static data member for PLT instruction template.
2550         (Output_data_plt_arm::plt_entry): Same.
2551         (Output_data_plt_arm::do_write): Define new method.
2552         (Target_arm::make_plt_entry): Same.
2553         (Target_arm::do_finalize_sections): Same.
2554         (Target_arm::do_dynsym_value): Same.
2555
2556 2009-05-28  Doug Kwan  <dougkwan@google.com>
2557
2558         * Makefile.am (TARGETSOURCES): Add arm.cc.
2559         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
2560         * Makefile.in: Regenerate.
2561         * arm.cc: New file.
2562         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
2563
2564 2009-05-26  Doug Kwan  <dougkwan@google.com>
2565
2566         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
2567         (General_options::check_excluded_libs): Strip off directories in
2568         archive name before matching like GNU ld does.
2569         * testsuite/Makefile.am (MOSTLYCLEANFILES,
2570         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
2571         (exclude_libs_test_LDFLAGS): Add linker option
2572         -Wl,--exclude-libs,libexclude_libs_test_3
2573         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
2574         an explicit archive without using -l.
2575         (alt/libexclude_libs_test_3.a): New make rule.
2576         * testsuite/Makefile.in: Regenerate.
2577         * testsuite/exclude_libs_test.c : Declare lib3_default().
2578         (main): Call it.
2579         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
2580         * exclude_libs_test_3.c: New file.
2581
2582 2009-05-26  Nick Clifton  <nickc@redhat.com>
2583
2584         * po/id.po: New Indonesian translation.
2585         * po/gold.pot: Updated template file.
2586
2587 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
2588
2589         * testsuite/Makefile.am: Add -ffunction-sections to compile 
2590         gc_comdat_test files.  Add -Wl,--gc-sections to build
2591         gc_comdat_test.
2592         * testsuite/Makefile.in: Regenerate.
2593         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
2594
2595 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
2596
2597         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
2598         kept comdat section was garbage collected.
2599         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
2600         * testsuite/Makefile.in: Regenerate.
2601         * testsuite/gc_comdat_test.sh: New file.
2602         * testsuite/gc_comdat_test_1.cc: New file.
2603         * testsuite/gc_comdat_test_2.cc: New file.
2604
2605 2009-05-19  Doug Kwan  <dougkwan@google.com>
2606
2607         * archive.cc (Archive::Archive): Move constructor from archive.h
2608         to here.  Initialize no_export_.
2609         (Archive::get_elf_object_for_member): Set no_export flag of object.
2610         * archive.h (Archive::Archive): Move constructor body to
2611         archive.cc.
2612         (Archive::no_export): New method.
2613         (Archive::no_export_): New field.
2614         * object.h (Object::Object): Initialize no_export_ to false.
2615         (Object::no_export, Object::set_no_export): New methods.
2616         (Object::no_export_): New field.
2617         * options.cc (General_options::parse_exclude_libs): New method.
2618         (General_options::check_excluded_libs) Same.
2619         * options.h (exclude_libs): New option.
2620         (General_options::check_excluded_libs): New method declaration.
2621         (General_options::excluded_libs_): New field.
2622         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
2623         default or protected visibility if an object has no-export flag set.
2624         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
2625         (check_SCRIPTS): Add exclude_libs_test.sh.
2626         (check_DATA): Add exclude_libs_test.syms.
2627         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
2628         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
2629         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
2630         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
2631         (exclude_libs_test.syms, libexclude_libs_test_1.a,
2632         libexclude_libs_test_2.a): New rules.
2633         * testsuite/Makefile.in: Regenerate.
2634         * testsuite/exclude_libs_test.c: New file.
2635         * testsuite/exclude_libs_test.sh: Ditto.
2636         * testsuite/exclude_libs_test_1.c: Ditto.
2637         * testsuite/exclude_libs_test_2.c: Ditto.
2638
2639 2009-05-15  Ian Lance Taylor  <iant@google.com>
2640
2641         * configure.ac: Check for declarations for cases where libiberty.h
2642         checks HAVE_DECL_xxx.
2643         * configure, config.in: Rebuild.
2644
2645 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
2646
2647         * gold.h (Incremental_argument_list): Remove (invalid) forward
2648         declaration.
2649         * incremental.cc (Incremental_inputs::report_achive): New method.
2650         (Incremental_inputs::report_object): New method.
2651         (Incremental_inputs::report_script): New method.
2652         (Incremental_inputs::finalize_inputs): New method.
2653         (Incremental_inputs::finalize): Call finalize_inputs().
2654         (Incremental_inputs::sized_create_incremental_inputs_section_data):
2655         Create inputs entries.
2656         * incremental.h (Incremental_input_type): New enum.
2657         (Incremental_inputs::Incremental_input): Initialize new fields.
2658         (Incremental_inputs::report_inputs): New method.
2659         (Incremental_inputs::report_achive): New method.
2660         (Incremental_inputs::report_object): New method.
2661         (Incremental_inputs::report_script): New method.
2662         (Incremental_inputs::finalize_inputs): New method.
2663         (Incremental_inputs::Input_info): New struct.
2664         (Incremental_inputs::Input_info_map): New typedef.
2665         (Incremental_inputs::lock_): New field.
2666         (Incremental_inputs::Inputs_): New field.
2667         (Incremental_inputs::Inputs_map): New field.
2668         * main.cc (main): Call Incremental_input::report_inputs.
2669         * options.h (Input_argument_list): Typedef moved from
2670         Input_arguments.
2671         (Input_file_group::Files): Remove, use ::Input_argument_list.
2672         (Input_file_group::Input_argument_list): Remove, use
2673         ::Input_argument_list.
2674         * plugin.cc (Plugin_manager::add_input_file): Add error in
2675         incremental build.
2676         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
2677         functions.
2678         * script.cc (read_input_script): Call
2679         Incremental_input::report_script.
2680         * script.h (Script_info): New class.
2681
2682 2009-04-27  Ian Lance Taylor  <iant@google.com>
2683
2684         * x86_64.cc (do_adjust_output_section): Set entsize to
2685         plt_entry_size.
2686
2687 2009-04-23  Elliott Hughes  <enh@google.com>
2688
2689         * output.cc (Output_file::close): After short writes, continue
2690         writing from the correct offset in the buffer being written.
2691
2692 2009-04-23  Chris Demetriou  <cgd@google.com>
2693
2694         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
2695         * configure: Regenerate.
2696         * config.in: Regenerate.
2697         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
2698         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
2699
2700 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
2701
2702         * incremental.cc (Incremental_inputs_header_data): Renamed from
2703         Incremental_input_header_data.
2704         (Incremental_inputs_header_data::data_size): New field.
2705         (Incremental_inputs_header_data::put_input_file_count): Renamed
2706         from input_file_count.
2707         (Incremental_inputs_header_data::put_command_line_offset): Renamed
2708         from command_line_offset.
2709         (Incremental_inputs_header_data::put_reserved): Renamed from
2710         put_reserved.
2711         (Incremental_inputs_entry_data): Renamed from
2712         Incremental_input_entry_data.
2713         (Incremental_inputs_entry_data::data_size): New field.
2714         (Incremental_inputs::report_command_line): New method.
2715         (Incremental_inputs::finalize): New method.
2716         (Incremental_inputs::create_incremental_inputs_data): New method.
2717         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
2718         * incremental.h: New file.
2719         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
2720        (Layout::finalize): Create incremental inputs section in
2721         incremental builds.
2722        (Layout::create_incremental_info_sections): New method.
2723         * layout.h (Layout::incremental_inputs): New method.
2724        (Layout::create_incremental_info_sections): New method.
2725        (Layout::incremental_inputs_): New field.
2726         * main.cc (main): Notify Incremental_input of the command line.
2727
2728 2009-04-01  Ian Lance Taylor  <iant@google.com>
2729             Mikolaj Zalewski  <mikolajz@google.com>
2730
2731         * gold.h (reserve_unordered_map): Define, three versions, one for
2732         each version of Unordered_map.
2733         * layout.cc (Layout::Layout): Remove options parameter.  Add
2734         number_of_input_files parameter.  Don't initialize options_.
2735         Initialize number_of_input_files_ and resized_signatures_.  Move
2736         sections_are_attached_.
2737         (Layout::layout_group): Reserve space for group_signatures_.
2738         (Layout::find_or_add_kept_section): Change name parameter to be a
2739         reference.  Resize signatures_ map when it gets large enough.
2740         (Layout::layout_eh_frame): Use parameters->options() instead of
2741         this->options_.
2742         (Layout::make_output_section): Likewise.
2743         (Layout::attach_allocated_section_to_segment): Likewise.
2744         (Layout::finalize, Layout::create_executable_stack): Likewise.
2745         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
2746         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
2747         * layout.h (class Layout): Update declarations.  Remove options_
2748         field.  Add number_of_input_files_ and resized_signatures_
2749         fields.  Move sections_are_attached_ field.
2750         * main.cc (main): Pass number of input files to Layout
2751         constructor.  Don't pass options.
2752
2753 2009-03-30  Ian Lance Taylor  <iant@google.com>
2754
2755         * ffsll.c (ffsll): Correct implementation.
2756
2757 2009-03-27  Ian Lance Taylor  <iant@google.com>
2758
2759         * ffsll.c: New file.
2760         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
2761         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
2762         * ftruncate.c (ftruncate): Declare before definition.
2763         * mremap.c (mremap): Likewise.
2764         * pread.c (pread): Likewise.
2765         * configure, Makefile.in, config.in: Rebuild.
2766
2767         * mremap.c: New file.
2768         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
2769         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
2770         (mremap): Declare if HAVE_MREMAP is not defined.
2771         * configure, Makefile.in, config.in: Rebuild.
2772
2773 2009-03-27  Cary Coutant  <ccoutant@google.com>
2774
2775         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
2776         position independent.
2777         * sparc.cc (Target_sparc::check_non_pic): Likewise.
2778         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
2779
2780 2009-03-24  Cary Coutant  <ccoutant@google.com>
2781
2782         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
2783         an executable.
2784         (needs_dynamic_reloc): Likewise.
2785
2786 2009-03-24  Ian Lance Taylor  <iant@google.com>
2787
2788         * yyscript.y (file_cmd): Recognize EXTERN.
2789         (extern_name_list, extern_name_list_body): New nonterminals.
2790         * script.cc (script_add_extern): Define.
2791         * script-c.h (script_add_extern): Declare.
2792
2793 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
2794
2795         * object.cc (is_elf_object): Define.
2796         * object.h (is_elf_object): Declare.
2797         * archive.cc (Archive::get_elf_object_for_member): Call
2798         is_elf_object.
2799         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
2800
2801 2009-03-24  Elliott Hughes  <enh@google.com>
2802
2803         * output.cc (Output_file::map_anonymous): Define.
2804         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
2805         try an anonymous one.  Report the size if the mmap fails.
2806         * output.h (class Output_file): Declare map_anonymous.
2807
2808 2009-03-24  Ian Lance Taylor  <iant@google.com>
2809
2810         * target-select.cc (instantiate_target): Don't acquire the lock if
2811         the instantiated_target_ field has already been set.
2812
2813 2009-03-23  Ian Lance Taylor  <iant@google.com>
2814
2815         * gold-threads.h (class Initialize_lock): Define.
2816         * gold-threads.cc (class Initialize_lock_once): Define.
2817         (initialize_lock_control): New static variable.
2818         (initialize_lock_pointer): New static variable.
2819         (initialize_lock_once): New static function.
2820         (Initialize_lock::Initialize_lock): Define.
2821         (Initialize_lock::initialize): Define.
2822         * target-select.h: Include "gold-threads.h".
2823         (class Target_selector): Add lock_ and initialize_lock_ fields.
2824         Don't define instantiate_target, just declare it.
2825         * target-select.cc (Target_selector::Target_selector): Initialize
2826         new fields.
2827         (Target_selector::instantiate_target): Define.
2828         * descriptors.h: Include "gold-threads.h".
2829         (class Descriptors): Add initialize_lock_ field.
2830         * descriptors.cc (Descriptors::Descriptors): Initialize new
2831         field.
2832         (Descriptors::open): Use initialize_lock_ field
2833         * errors.h (class Errors): Add initialize_lock_ field.
2834         * errors.cc (Errors::Errors): Initialize new field.
2835         (Errors::initialize_lock): Use initialize_lock_ field.
2836         * powerpc.cc (class Target_selector_powerpc): Remove
2837         instantiated_target_ field.  In do_recognize call
2838         instantiate_target rather than do_instantiate_target.  In
2839         do_instantiate_target just allocate a new target.
2840         * sparc.cc (class Target_selector_sparc): Likewise.
2841
2842         * freebsd.h: New file.
2843         * i386.cc: Include "freebsd.h".
2844         (Target_i386): Derive from Target_freebsd rather than
2845         Sized_target.
2846         (Target_selector_i386): Derive from Target_selector_freebsd rather
2847         than Target_selector.
2848         * x86_64.cc: Include "freebsd.h".
2849         (Target_x86_64): Derive from Target_freebsd rather than
2850         Sized_target.
2851         (Target_selector_x86_64): Derive from Target_selector_freebsd
2852         rather than Target_selector.
2853         * target.h (class Target): Add adjust_elf_header and
2854         do_adjust_elf_header.
2855         * output.cc (Output_file_header:: do_sized_write): Call target
2856         adjust_elf_header routine.
2857         * configure.tgt: Set targ_osabi.
2858         * configure.ac: Define GOLD_DEFAULT_OSABI.
2859         * parameters.cc (Parameters::default_target): Pass
2860         GOLD_DEFAULT_OSABI to select_target.
2861         * target-select.h (class Target_selector): Make instantiate_target
2862         protected rather than private.
2863         * Makefile.am (HFILES): Add freebsd.h.
2864         * configure, Makefile.in, config.in: Rebuild.
2865
2866         * merge.cc (do_add_input_section): Correct pend value.  Change
2867         message about last entry not being null terminated from error to
2868         warning.
2869
2870 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
2871
2872         * incremental.cc: New file.
2873         * Makefile.am (CCFILES): Add incremental.cc.
2874         * Makefile.in: Rebuild.
2875
2876 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
2877
2878         * layout.cc (Layout::output_section_name): Preserve names
2879         of '.note.' sections.
2880         
2881 2009-03-19  Ian Lance Taylor  <iant@google.com>
2882
2883         * descriptors.cc (Descriptors::open): Check that the options are
2884         valid before using them.
2885
2886 2009-03-18  Ian Lance Taylor  <iant@google.com>
2887
2888         * script-sections.h: Include <list>.
2889         (class Script_sections): Change Sections_elements from std::vector
2890         to std::list.  Typedef public Elements_iterator.  Add
2891         orphan_section_placement_, data_segment_align_start_, and
2892         saw_data_segment_align_ fields.  Remove data_segment_align_index_
2893         field.
2894         * script-sections.cc (class Orphan_section_placement): New class.
2895         (class Sections_element): Add virtual functions is_relro and
2896         orphan_section_init.  Remove virtual function place_orphan_here.
2897         (class Output_section_definition): Add is_relro and
2898         orphan_section_init.  Remove place_orphan_here.
2899         (class Orphan_output_section): Likewise.
2900         (Script_sections::Script_sections): Update for field changes.
2901         (Script_sections::data_segment_align): Set saw_data_segment_align_
2902         and data_segment_align_start_, not data_segment_align_index.
2903         (Script_sections::data_segment_relro_end): Check
2904         saw_data_segment_align_.  Use data_segment_align_start_ rather
2905         than data_segment_align_index_.
2906         (Script_sections::place_orphan): Rewrite to use
2907         Orphan_section_placement.
2908
2909 2009-03-17  Ian Lance Taylor  <iant@google.com>
2910
2911         * archive.cc (Archive::add_symbols): Check for a version attached
2912         to the symbol name in the archive map.
2913         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
2914         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
2915         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
2916         (ver_test_11.a): New target.
2917         * testsuite/Makefile.in: Rebuild.
2918
2919         * configure.ac: Check for chsize and posix_fallocate.  Replace
2920         ftruncate.
2921         * ftruncate.c: New file, from gnulib.
2922         * output.cc (posix_fallocate): Define dummy version if not
2923         HAVE_POSIX_FALLOCATE.
2924         (Output_file::map): Call posix_fallocate rather than lseek and
2925         write.
2926         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
2927         * configure, Makefile.in, config.in: Rebuild.
2928
2929 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
2930         
2931         * layout.h (Layout::create_note): Add section_name parameter.
2932         * layout.cc (Layout::create_note): Likewise.
2933         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
2934         
2935 2009-03-17  Ian Lance Taylor  <iant@google.com>
2936
2937         * descriptors.cc: Include "options.h".
2938         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
2939         (Descriptors::open): Always use O_CLOEXEC when opening a new
2940         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
2941         then set FD_CLOEXEC.
2942
2943         * sparc.cc (class Target_sparc): Add has_got_section.
2944         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
2945         make sure we have a GOT section.
2946
2947         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
2948         (Target_sparc::Scan::local): Likewise.
2949         (Target_sparc::Scan::global): Likewise.
2950         (Target_sparc::Relocate::relocate): Likewise.
2951         (Target_sparc::Relocate::relocate_tls): Likewise.
2952
2953         * symtab.cc (Symbol_table::define_default_version): New function,
2954         broken out of add_from_object.
2955         (Symbol_table::add_from_object): Call define_default_version.
2956         (Symbol_table::define_special_symbol): Add resolve_oldsym
2957         parameter.  Change all callers.  If the version for a symbol comes
2958         from a version script, resolve it with the symbol with the same
2959         name with no version.  Also add the symbol without a version if
2960         appropriate.
2961         (do_define_in_output_data): If resolving with oldsym, don't delete
2962         sym.
2963         (do_define_in_output_segment): Likewise.
2964         (do_define_as_constant): Likewise.
2965         * symtab.h (class Symbol_table): Update declarations.
2966
2967 2009-03-13  Ian Lance Taylor  <iant@google.com>
2968
2969         * readsyms.cc (Read_symbols::incompatible_warning): New function.
2970         (Read_symbols::requeue): New function.
2971         (Read_symbols::do_read_symbols): If make_elf_object fails because
2972         the target type is not configured, and the file was searched for,
2973         issue a warning and retry with the next directory.
2974         (Add_symbols::run): If the file has an incompatible format, and
2975         it was searched for, requeue the Read_symbols task.  On error,
2976         release the object.
2977         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
2978         dirindex parameter to constructor.  Change all callers.  Declare
2979         incompatible_warning and requeue.
2980         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
2981         input_argument_ and input_group_ fields.  Add them to
2982         constructor.  Change all callers.
2983         (class Read_script): Add dirindex_ field.  Add it to constructor.
2984         Change all callers.
2985         * archive.cc (Archive::setup): Remove input_objects parameter.
2986         Change all callers.
2987         (Archive::get_file_and_offset): Likewise.
2988         (Archive::read_all_symbols): Likewise.
2989         (Archive::read_symbols): Likewise.
2990         (Archive::get_elf_object_for_member): Remove input_objects
2991         parameter.  Add punconfigured parameter.  Change all callers.
2992         (Archive::add_symbols): Change return type to bool.  Check return
2993         value of include_member.
2994         (Archive::include_all_members): Likewise.
2995         (Archive::include_member): Change return type to bool.  Return
2996         false if first included object has incompatible target.  Set
2997         included_member_ field.
2998         (Add_archive_symbols::run): If add_symbols returns false, requeue
2999         Read_symbols task.
3000         * archive.h (class Archive): Add included_member_ field.
3001         Initialize it in constructor.  Add input_file and searched_for
3002         methods.  Update declarations.
3003         (class Add_archive_symbols): Add dirpath_, dirindex_, and
3004         input_argument_ fields.  Add them to constructor.  Change all
3005         callers.
3006         * script.cc: Include "target-select.h".
3007         (class Parser_closure): Add skip_on_incompatible_target_ and
3008         found_incompatible_target_ fields.  Add
3009         skip_on_incompatible_target parameter to constructor.  Change all
3010         callers.  Add methods skip_on_incompatible_target,
3011         clear_skip_on_incompatible_target, found_incompatible_target, and
3012         set_found_incompatible_target.
3013         (read_input_script): Add dirindex parameter.  Change all callers.
3014         If parser finds an incompatible target, requeue Read_symbols
3015         task.
3016         (script_set_symbol): Clear skip_on_incompatible_target in
3017         closure.
3018         (script_add_assertion, script_parse_option): Likewise.
3019         (script_start_sections, script_add_phdr): Likewise.
3020         (script_check_output_format): New function.
3021         * script.h (read_input_script): Update declaration.
3022         * script-c.h (script_check_output_format): Declare.
3023         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
3024         (ignore_cmd): Remove OUTPUT_FORMAT.
3025         * fileread.cc (Input_file::Input_file): Add explicit this.
3026         (Input_file::will_search_for): New function.
3027         (Input_file::open): Add pindex parameter.  Change all callers.
3028         * fileread.h (class Input_file): Add input_file_argument method.
3029         Declare will_search_for.  Update declarations.
3030         * object.cc (make_elf_object): Add punconfigured parameter.
3031         Change all callers.
3032         * object.h (class Object): Make input_file public.  Add
3033         searched_for method.
3034         (make_elf_object): Update declaration.
3035         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
3036         restart search.
3037         * dirsearch.h (class Dirsearch): Update declaration.
3038         * options.h (class General_options): Add --warn-search-mismatch.
3039         * parameters.cc (Parameters::is_compatible_target): New function.
3040         * parameters.h (class Parameters): Declare is_compatible_target.
3041         * workqueue.cc (Workqueue::add_blocker): New function.
3042         * workqueue.h (class Workqueue): Declare add_blocker.
3043
3044         * fileread.cc (Input_file::open): Remove options parameter.
3045         Change all callers.
3046         (Input_file::open_binary): Likewise.
3047         * script.cc (read_input_script): Likewise.
3048         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
3049         options parameter from constructor.  Change all callers.
3050         (class Read_script): Likewise.
3051         * fileread.h (class Input_file): Update declarations.
3052         * script.h (read_input_script): Update declaration.
3053
3054 2009-03-10  Nick Clifton  <nickc@redhat.com>
3055
3056         * po/es.po: New Spanish translation.
3057
3058 2009-03-06  Cary Coutant  <ccoutant@google.com>
3059
3060         * options.cc (parse_short_option): Keep dash_z from registering itself.
3061
3062 2009-03-03  Ian Lance Taylor  <iant@google.com>
3063
3064         PR 9918
3065         * target-reloc.h (relocate_section): Pass output_section to
3066         relocate.
3067         * i386.cc (Target_i386::should_apply_static_reloc): Add
3068         output_section parameter.  Change all callers.
3069         (Target_i386::Relocate::relocate): Add output_section parameter.
3070         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
3071         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
3072         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
3073         * testsuite/two_file_shared.sh: New script.
3074         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
3075         (check_DATA): Add two_file_shared.dbg.
3076         (two_file_shared.dbg): New target.
3077         * testsuite/Makefile.in: Rebuild.
3078
3079 2009-03-01  Ian Lance Taylor  <iant@google.com>
3080
3081         * configure.ac: Check for byteswap.h.
3082         * configure: Rebuild.
3083         * config.in: Rebuild.
3084
3085 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
3086
3087         * layout.cc (Layout::find_or_add_kept_section): New function.
3088         (Layout::add_comdat): Removed.
3089         * layout.h (struct Kept_section): Move out of class Layout.
3090         Remove trailing underscores from field names.  Add group_sections
3091         field.  Rename group_ field to is_group.  Change all uses.
3092         (class Layout): Declare find_or_add_kept_section, not add_comdat.
3093         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
3094         comdat_groups_ field.
3095         (Sized_relobj::include_section_group): Use
3096         find_or_add_kept_section and Kept_section::group_sections.
3097         (Sized_relobj::include_linkonce_section): Likewise.
3098         * object.cc (class Sized_relobj): Don't define Comdat_group or
3099         Comdat_group_table.  Remove find_comdat_group and
3100         add_comdat_group.  Remove comdat_groups_ field.
3101         * plugin.cc (include_comdat_group): Use
3102         Layout::find_or_add_kept_section.
3103
3104 2009-02-28  Ian Lance Taylor  <iant@google.com>
3105
3106         * README: --gc-sections and map files are now supported.  Document
3107         some build requirements.
3108
3109         PR 6992
3110         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
3111         relocatable link set the value of the section symbol to zero.
3112         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
3113         relocatable link don't include the section address in the local
3114         symbol value.
3115
3116 2009-02-27  Ian Lance Taylor  <iant@google.com>
3117
3118         PR 6811
3119         * options.h (class Search_directory): Add is_system_directory.
3120         (class General_options): Declare is_in_system_directory.
3121         * options.cc (get_relative_sysroot): Make static.
3122         (get_default_sysroot): Make static.
3123         (General_optoins::is_in_system_directory): New function.
3124         * fileread.cc (Input_file::is_in_system_directory): New function.
3125         * fileread.h (class Input_file): Declare is_in_system_directory.
3126         * object.h (class Object): Add is_in_system_directory.
3127         (class Input_objects): Remove system_library_directory_ field.
3128         * object.cc (Input_objects::add_object): Don't set
3129         system_library_directory_.
3130         (input_objects::found_in_system_library_directory): Remove.
3131         * symtab.cc (Symbol_table::write_globals): Remove input_objects
3132         parameter.  Change all callers.
3133         (Symbol_table::sized_write_globals): Likewise.
3134         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
3135         Call Object::is_in_system_directory.
3136         * symtab.h (class Symbol_table): Update declarations.
3137
3138         PR 5990
3139         * descriptors.h (Open_descriptor): Add is_on_stack field.
3140         * descriptors.cc (Descriptors::open): If the descriptor is on the
3141         top of the stack, remove it.  Initialize is_on_stack field.
3142         (Descriptors::release): Only add pod to stack if it is not on the
3143         stack already.
3144         (Descriptors::close_some_descriptor): Clear stack_next and
3145         is_on_stack fields.
3146
3147         PR 7091
3148         * output.cc (Output_section::find_starting_output_address): Rename
3149         from starting_output_address; add PADDR parameter; change return
3150         type.
3151         * output.h (class Output_section): Declare
3152         find_starting_output_address instead of starting_output_address.
3153         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
3154         section symbol for which we can't find a merge section.
3155
3156         PR 9836
3157         * symtab.cc (Symbol_table::add_from_object): If the visibility is
3158         hidden or internal, force the symbol to be local.
3159         * resolve.cc (Symbol::override_visibility): Define.
3160         (Symbol::override_base): Use override_visibility.
3161         (Symbol_table::resolve): Likewise.
3162         (Symbol::override_base_with_special): Likewise.
3163         (Symbol_table::override_with_special): If the visibility is hidden
3164         or internal, force the symbol to be local.
3165         * symtab.h (class Symbol): Add set_visibility and
3166         override_visibility.
3167         * testsuite/ver_test_1.sh: New file.
3168         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
3169         (check_DATA): Add ver_test_1.syms.
3170         (ver_test_1.syms): New target.
3171         * testsuite/Makefile.in: Rebuild.
3172
3173 2009-02-25  Cary Coutant  <ccoutant@google.com>
3174
3175         * layout.cc (Layout::choose_output_section): Don't rename sections
3176         when using a linker script that has a SECTIONS clause.
3177         * Makefile.in: Regenerate.
3178
3179         * testsuite/Makefile.am (script_test_5.sh): New test case.
3180         * testsuite/Makefile.in: Regenerate.
3181         * testsuite/script_test_5.cc: New file.
3182         * testsuite/script_test_5.sh: New file.
3183         * testsuite/script_test_5.t: New file.
3184
3185 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
3186
3187         * archive.cc (Archive::include_member): Update calls to add_symbols.
3188         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
3189         the Layout argument.
3190         * dynobj.h (do_add_symbols): Add the Layout argument.
3191         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
3192         Layout argument.
3193         * object.h (Object::add_symbols): Add the Layout argument.
3194         (Object::do_add_symbols): Add the Layout argument.
3195         (Sized_relobj::do_add_symbols): Add the Layout argument.
3196         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
3197         Unify the two versions.
3198         (Add_plugin_symbols): Remove.
3199         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
3200         (Sized_pluginobj::do_add_symbols): Unify the two versions.
3201         (Add_plugin_symbols): Remove.
3202         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
3203         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
3204         (Add_symbols::run): Make it work with Pulginobj.
3205
3206 2009-02-06  Ian Lance Taylor  <iant@google.com>
3207
3208         * object.cc (Sized_relobj::do_layout): Make info message start
3209         with lower case letter.
3210
3211 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
3212
3213         * binary.cc: Fix file comment.
3214
3215         * options.h (enum Incremental_disposition): Define.
3216         (class General_options): Add new options: --incremental,
3217         --incremental_changed, --incremental_unchanged,
3218         --incremental_unknown.  Add incremental_disposition_ and
3219         implicit_incremental_ fields.
3220         (General_options::incremental_disposition): New function.
3221         (class Position_dependent_options): Add incremental_disposition
3222         option.
3223         (Position_dependent_options::copy_from_options): Set incremental
3224         dispositions.
3225         * options.cc (General_options::parse_incremental_changed): New
3226         function.
3227         (General_options::parse_incremental_unchanged): New function.
3228         (General_options::parse_incremental_unknown): New function.
3229         (General_options::General_options): Initialize new fields
3230         incremental_disposition_ and implicit_incremental_.
3231         (General_options::finalize): Check for uasge of --incremental-*
3232         without --incremental.
3233
3234 2009-02-06  Chris Demetriou  <cgd@google.com>
3235
3236         * gold.h (gold_undefined_symbol): Change to take only a Symbol
3237         pointer and to report location as the file name associated with
3238         the symbol.
3239         (gold_undefined_symbol_at_location): New function to replace the
3240         old gold_undefined_symbol functionality.
3241         * target-reloc.h (relocate_section): Update to use
3242         gold_undefined_symbol_at_location.
3243         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
3244         Call gold_undefined_symbol function rather than gold_error.
3245         * errors.h (Errors::undefined_symbol): Take location as a
3246         string, rather than calculating it from a relocation.
3247         * errors.cc (Errors::fatal): Print "fatal error:" before the
3248         formatted message.
3249         (Errors::error, Errors::error_at_location): Print "error: "
3250         before the formatted message.
3251         (Errors::undefined_symbol): Take location as a string, rather
3252         than calculating it from a relocation.
3253         (gold_undefined_symbol_at_location): New function akin to
3254         old gold_undefined_symbol, calculates location from relocation.
3255         (gold_undefined_symbol): Change to take only a Symbol pointer
3256         and to report location as the file name associated with the symbol.
3257         * testsuite/debug_msg.sh: Update for changed error messages.
3258         * testsuite/undef_symbol.sh: Likewise.
3259
3260 2009-02-04  Duncan Sands  <baldrick@free.fr>
3261
3262         PR 9812
3263         * reduced_debug_output.h
3264         (Output_reduced_debug_abbrev_section::failed): Use format for
3265         gold_warning.
3266         (Output_reduced_debug_info_section::faild): Likewise.
3267
3268 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
3269
3270         * script.cc (Lazy_demangler): New class.
3271         (Version_script_info::get_symbol_version_helper): Demangle a
3272         symbol only once.
3273
3274 2009-01-29  Cary Coutant  <ccoutant@google.com>
3275
3276         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
3277         to __tls_get_addr.
3278         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
3279
3280 2009-01-28  Ian Lance Taylor  <iant@google.com>
3281
3282         * version.cc (version_string): Bump to 1.9.
3283
3284         * gold.h: Include <cstring> and <stdint.h>.
3285         * version.cc: Include <cstdio>.
3286         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
3287         warning.
3288         * reduced_debug_output.cc (insert_into_vector): Rename from
3289         Insert_into_vector; change all callers.  Use Swap_unaligned to
3290         avoid aliasing issue; remove union since it is unnecessary.
3291
3292 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
3293
3294         * Makefile.am (CCFILES): Add gc.cc.
3295         (HFILES): Add gc.h.
3296         * Makefile.in: Regenerate.
3297         * gold.cc (Gc_runner): New class.
3298         (queue_initial_tasks): Call garbage collection related tasks
3299         when corresponding options are invoked.
3300         (queue_middle_gc_tasks): New function.
3301         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
3302         processed early before laying out sections during garbage collection.
3303         * gold.h (queue_middle_gc_tasks): New function.
3304         (is_prefix_of): Move from "layout.cc".
3305         * i386.cc (Target_i386::gc_process_relocs): New function.
3306         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
3307         * main.cc (main): Create object of class "Garbage_collection".
3308         * object.cc (Relobj::copy_symbols_data): New function.
3309         (Relobj::is_section_name_included): New function.
3310         (Sized_relobj::do_layout): Allow this function to be called twice 
3311         during garbage collection and defer layout of section during the 
3312         first call.
3313         * object.h (Relobj::get_symbols_data): New function.
3314         (Relobj::is_section_name_included): New function.
3315         (Relobj::copy_symbols_data): New function.
3316         (Relobj::set_symbols_data): New function.
3317         (Relobj::get_relocs_data): New function.
3318         (Relobj::set_relocs_data): New function.
3319         (Relobj::is_output_section_offset_invalid): New pure virtual function.
3320         (Relobj::gc_process_relocs): New function.
3321         (Relobj::do_gc_process_relocs): New pure virtual function.
3322         (Relobj::sd_): New data member.
3323         (Sized_relobj::is_output_section_offset_invalid): New function.
3324         (Sized_relobj::do_gc_process_relocs): New function.
3325         * options.h (General_options::gc_sections): Modify to not be a no-op.
3326         (General_options::print_gc_sections): New option.
3327         * plugin.cc (Plugin_finish::run): Remove function call to
3328         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
3329         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
3330         * reloc.cc (Read_relocs::run): Add task to process relocs and
3331         determine unreferenced sections when doing garbage collection.
3332         (Gc_process_relocs): New class.
3333         (Sized_relobj::do_gc_process_relocs): New function.
3334         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
3335         sections that are garbage collected.
3336         * reloc.h (Gc_process_relocs): New class.
3337         * sparc.cc (Target_sparc::gc_process_relocs): New function.
3338         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
3339         symbols whose corresponding sections are garbage collected.
3340         (Symbol_table::Symbol_table): Add new parameter for the garbage
3341         collection object.
3342         (Symbol_table::gc_mark_undef_symbols): New function.
3343         (Symbol_table::gc_mark_symbol_for_shlib): New function.
3344         (Symbol_table::gc_mark_dyn_syms): New function.
3345         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
3346         as garbage.
3347         (Symbol_table::add_from_object): Likewise.
3348         (Symbol_table::add_from_relobj): When building shared objects, do not
3349         treat externally visible symbols as garbage.
3350         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
3351         table information for static and relocatable links.
3352         * symtab.h (Symbol_table::set_gc): New function.
3353         (Symbol_table::gc): New function.
3354         (Symbol_table::gc_mark_undef_symbols): New function.
3355         (Symbol_table::gc_mark_symbol_for_shlib): New function.
3356         (Symbol_table::gc_mark_dyn_syms): New function.
3357         (Symbol_table::gc_): New data member.
3358         * target.h (Sized_target::gc_process_relocs): New pure virtual 
3359         function.
3360         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
3361         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
3362
3363 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
3364
3365         * options.h (General_options::gc_sections): Define as a no-op for now.
3366         (General_options::no_keep_memory): Ditto.
3367         (General_options::Bshareable): Define.
3368         * options.cc (General_options::finalize): Honor -Bshareable.
3369
3370 2009-01-20  Andreas Schwab  <schwab@suse.de>
3371
3372         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
3373         read the value in the contents, since we don't use it.  Use the
3374         template endianness when writing.
3375         (Relocate::relocate): Use it for R_PPC_REL16_HA.
3376
3377 2009-01-19  Andreas Schwab  <schwab@suse.de>
3378
3379         * configure.tgt (powerpc64-*): Fix targ_obj.
3380
3381 2009-01-15  Ian Lance Taylor  <iant@google.com>
3382
3383         * object.cc (Sized_relobj::write_local_symbols): Don't write out
3384         local symbols when stripping all symbols.
3385
3386 2009-01-14  Cary Coutant  <ccoutant@google.com>
3387
3388         * output.cc (Output_reloc): Add explicit instantiations.
3389
3390 2009-01-14  Cary Coutant  <ccoutant@google.com>
3391
3392         * archive.cc (Archive::get_elf_object_for_member): Remove call
3393         to File_read::claim_for_plugin.
3394         * descriptors.cc (Descriptors::open): Remove reference to
3395         is_claimed.
3396         (Descriptors::claim_for_plugin): Remove.
3397         * descriptors.h (Descriptors::claim_for_plugin): Remove.
3398         (Descriptors::is_claimed): Remove.
3399         (claim_descriptor_for_plugin): Remove.
3400         * fileread.cc (File_read::claim_for_plugin): Remove.
3401         * fileread.h (File_read::claim_for_plugin): Remove.
3402         (File_read::descriptor): Reopen descriptor if necessary.
3403         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
3404         (Plugin_manager::all_symbols_read): Add task parameter. Change
3405         all callers.
3406         (Plugin_manager::get_input_file): New function.
3407         (Plugin_manager::release_input_file): New function.
3408         (Pluginobj::Pluginobj): Add filesize parameter and initialize
3409         corresponding data member.
3410         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
3411         and pass to base constructor. Change all callers.
3412         (get_input_file, release_input_file): New functions.
3413         (make_sized_plugin_object): Add filesize parameter. Change all callers.
3414         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
3415         (Plugin_manager::all_symbols_read): Add task parameter.
3416         (Plugin_manager::get_input_file): New function.
3417         (Plugin_manager::release_input_file): New function.
3418         (Plugin_manager::task_): New data member.
3419         (Pluginobj::Pluginobj): Add filesize parameter.
3420         (Pluginobj::filename): New function.
3421         (Pluginobj::descriptor): New function.
3422         (Pluginobj::filesize): New function.
3423         (Pluginobj::filesize_): New data member.
3424         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
3425         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
3426         File_read::claim_for_plugin; use Object::unlock to unlock the file.
3427
3428         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
3429         with archive libraries.
3430         * testsuite/Makefile.in: Regenerate.
3431         * testsuite/plugin_test.c (struct sym_info): New type.
3432         (get_input_file, release_input_file): New static variables.
3433         (onload): Capture new transfer vector entries.
3434         (claim_file_hook): Stop reading at end of file according to filesize.
3435         Factor out parsing of readelf output into separate function.
3436         (all_symbols_read_hook): Exercise get_input_file and release_input_file
3437         APIs and get the source file name from the symbol table.  Convert
3438         source file name to corresponding object file name.  Print info
3439         message when adding new input files.
3440         (parse_readelf_line): New function.
3441         * testsuite/plugin_test_1.sh: Add checks for new info messages.
3442         * testsuite/plugin_test_2.sh: Likewise.
3443         * testsuite/plugin_test_3.sh: Likewise.
3444         * testsuite/plugin_test_4.sh: New test case.
3445
3446 2009-01-07  Ian Lance Taylor  <iant@google.com>
3447
3448         * version.cc (version_string): Bump to 1.8.
3449
3450 2008-12-23  Cary Coutant  <ccoutant@google.com>
3451
3452         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
3453         * plugin.cc (Plugin_manager::finish): Rename as
3454         layout_deferred_objects.  Move cleanup to separate function.
3455         (Plugin_manager::cleanup): New function.
3456         (Plugin_finish::run): Call layout_deferred_objects and cleanup
3457         separately.
3458         * plugin.h (Plugin_manager::finish): Rename as
3459         layout_deferred_objects.
3460         (Plugin_manager::cleanup): New function.
3461         (Plugin_manager::cleanup_done): New field.
3462
3463 2008-12-23  Cary Coutant  <ccoutant@google.com>
3464
3465         * plugin.cc (is_visible_from_outside): New function.
3466         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
3467         so we don't return "IR only" status for exported symbols or -r links.
3468
3469         * testsuite/Makefile.am (plugin_test_3): New test case.
3470         * testsuite/Makefile.in: Regenerate.
3471         * testsuite/plugin_test_3.sh: New file.
3472
3473 2008-12-22  Cary Coutant  <ccoutant@google.com>
3474
3475         * object.cc (Sized_relobj::layout_section): New function.
3476         (Sized_relobj::do_layout): Defer layout of input sections until after
3477         plugin has provided replacement files.
3478         (Sized_relobj::do_layout_deferred_sections): New function.
3479         * object.h (Relobj::set_section_offset): Remove virtual keyword.
3480         (Relobj::layout_deferred_sections): New function.
3481         (Relobj::do_layout_deferred_sections): New function.
3482         (Sized_relobj::do_layout_deferred_sections): New function.
3483         (Sized_relobj::layout_section): New function.
3484         (Sized_relobj::Deferred_layout): New structure.
3485         (Sized_relobj::deferred_layout_): New field.
3486         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
3487         Change all callers.  Layout deferred sections.
3488         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
3489         references.
3490         (Plugin_hook::run): Move code from do_plugin_hook inline.
3491         (Plugin_hook::do_plugin_hook): Remove.
3492         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
3493         (Plugin_manager::finish): Renamed, was cleanup.
3494         (Plugin_manager::should_defer_layout): New function.
3495         (Plugin_manager::add_deferred_layout_object): New function.
3496         (Plugin_manager::Deferred_layout_list): New type.
3497         (Plugin_manager::deferred_layout_objects_): New field.
3498         (Plugin_hook::do_plugin_hook): Remove.
3499
3500 2008-12-17  Ian Lance Taylor  <iant@google.com>
3501
3502         * options.h (class General_options): Add --no case for
3503         --export-dynamic.
3504
3505 2008-12-16  Cary Coutant  <ccoutant@google.com>
3506
3507         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
3508         vector.
3509         (Plugin_manager::claim_file): Create plugin object even if
3510         plugin did not call the add_symbols callback.
3511         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
3512         asking for more symbols than were added.
3513         * testsuite/Makefile.am (plugin_test_1): Add test case with
3514         no global symbols.
3515         (empty.syms): New target.
3516         * testsuite/Makefile.in: Regenerate.
3517         * testsuite/plugin_test.c (claim_file_hook): Add new debug
3518         message. Don't call add_symbols if no globals.
3519         (all_symbols_read_hook): Don't provide replacement for empty
3520         claimed file.
3521
3522 2008-12-12  Ian Lance Taylor  <iant@google.com>
3523
3524         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
3525         r_type == 0 for a local symbol with r_sym == 0.
3526         (scan_relocatable_relocs): Pass r_sym to
3527         local_non_section_strategy.
3528         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
3529         r_sym parameter.
3530
3531         * configure.ac: Update test for TLS descriptors: they are
3532         supported as of glibc 2.9.
3533         * configure: Rebuild.
3534
3535 2008-12-11  Ian Lance Taylor  <iant@google.com>
3536
3537         PR 7091
3538         * target-reloc.h (Default_scan_relocatable_relocs): For each
3539         function, map r_type == 0 to RELOC_DISCARD.
3540
3541 2008-12-10  Cary Coutant  <ccoutant@google.com>
3542
3543         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
3544         object to override a kept COMDAT group from a plugin object.
3545
3546 2008-12-09  Ian Lance Taylor  <iant@google.com>
3547
3548         PR 7088
3549         * yyscript.y (file_cmd): Handle INPUT.
3550
3551         * testsuite/initpri1.c: Change all declarations to be full
3552         prototypes by adding void, to avoid compiler warnings.
3553
3554 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
3555
3556         * options.cc (General_options::parse_plugin_opt): New.
3557         (General_options::add_plugin): The argument now is just the filename.
3558         (General_options::add_plugin_option): New.
3559         * options.h (plugin_opt): New.
3560         (add_plugin): Change argument name.
3561         (add_plugin_option): New.
3562         * plugin.cc (Plugin::load): Don't parse the plugin option.
3563         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
3564         (Plugin::add_option): New.
3565         (Plugin::args_): Change type.
3566         (Plugin::filename_): New.
3567         (Plugin_manager::add_plugin_option): New.
3568         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
3569         * testsuite/Makefile.in: Regenerate.
3570
3571 2008-12-05  Cary Coutant  <ccoutant@google.com>
3572
3573         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
3574         Handle --strip-lto-sections option.
3575         * options.h (strip_lto_sections): New option.
3576
3577 2008-12-01  Cary Coutant  <ccoutant@google.com>
3578
3579         * plugin.cc (ld_plugin_message): Change format parameter to const.
3580         Fix mismatch between new[] and delete.
3581
3582 2008-11-14  Cary Coutant  <ccoutant@google.com>
3583
3584         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
3585         instead of -1U.
3586
3587 2008-11-05  Craig Silverstein  <csilvers@google.com>
3588
3589         * options.cc (General_options::parse_dynamic_list): New function.
3590         * options.h (General_options): New flags dynamic_list,
3591         dynamic_list_data, dynamic_list_cpp_new, and
3592         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
3593         (General_options::in_dynamic_list): New function.
3594         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
3595         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
3596         (Lex::can_continue_name): Likewise.
3597         (yylex): Likewise.
3598         (read_script_file): New parameter script_options.
3599         (read_dynamic_list): New function.
3600         (Script_options::define_dynamic_list): New function.
3601         (dynamic_list_keyword_parsecodes): New variable.
3602         (dynamic_list_keywords): New variable.
3603         * script.h (Script_options::define_dynamic_list): New function
3604         prototype.
3605         (read_dynamic_list): New function prototype.
3606         * symtab.cc (strprefix): New macro.
3607         (Symbol::should_add_dynsym_entry): Support dynamic_list,
3608         dynamic_list_data, dynamic_list_cpp_new, and
3609         dynamic_list_cpp_typeinfo.
3610         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
3611         (dynamic_list_expr): New rule.
3612         (dynamic_list_nodes): Likewise.
3613         (dynamic_list_node): Likewise.
3614         * testsuite/Makefile.am (dynamic_list): New test.
3615         * testsuite/Makefile.in: Regenerated.
3616         * testsuite/dynamic_list.t: New file.
3617         * testsuite/dynamic_list.sh: New file.
3618
3619 2008-11-05  Craig Silverstein  <csilvers@google.com>
3620
3621         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
3622         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
3623         (t11_last): Likewise.
3624         * testsuite/ver_test_6.c (main): Likewise.
3625
3626 2008-10-07  Cary Coutant  <ccoutant@google.com>
3627
3628         * options.c (General_options::finalize): Add check for -static and
3629         -shared.
3630         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
3631         is not empty.
3632
3633 2008-10-02  Cary Coutant  <ccoutant@google.com>
3634
3635         * plugin.cc (make_sized_plugin_object): Fix conditional
3636         compilation to work when not all targets are enabled.
3637
3638 2008-09-29  Cary Coutant  <ccoutant@google.com>
3639
3640         * archive.cc (Archive::get_file_and_offset): Use filename instead
3641         of name to get library path.
3642         (Archive::include_member): Unlock external member of a thin archive.
3643
3644         * testsuite/Makefile.am (TEST_AR): New variable.
3645         (thin_archive_test_1): New test.
3646         (thin_archive_test_2): New test.
3647         * testsuite/Makefile.in: Regenerate.
3648         * testsuite/thin_archive_main.cc: New file.
3649         * testsuite/thin_archive_test_1.cc: New file.
3650         * testsuite/thin_archive_test_2.cc: New file.
3651         * testsuite/thin_archive_test_3.cc: New file.
3652         * testsuite/thin_archive_test_4.cc: New file.
3653
3654 2008-09-29  Cary Coutant  <ccoutant@google.com>
3655
3656         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
3657         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
3658         instead of -1U.
3659         (Sized_relobj::do_finalize_local_symbols): Likewise.
3660         (Sized_relobj::map_to_kept_section): Likewise.
3661         * object.h (Sized_relobj::invalid_address): New constant.
3662         (Sized_relobj::do_output_section_offset): Check for invalid_address
3663         and return -1ULL.
3664         * output.cc (Output_reloc::local_section_offset): Use constant
3665         invalid_address instead of -1U.
3666         (Output_reloc::get_address): Likewise.
3667         (Output_section::output_address): Change -1U to -1ULL.
3668         * output.h (Output_reloc::invalid_address): New constant.
3669         * reloc.cc (Sized_relobj::write_sections): Use constant
3670         invalid_address instead of -1U.
3671         (Sized_relobj::relocate_sections): Likewise.
3672         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
3673         values for merge sections.
3674         * target-reloc.h (relocate_for_relocatable): Use constant
3675         invalid_address instead of -1U.
3676
3677 2008-09-19  Cary Coutant  <ccoutant@google.com>
3678
3679         Add plugin functionality for link-time optimization (LTO).
3680         * configure.ac (plugins): Add --enable-plugins option.
3681         * configure: Regenerate.
3682         * config.in: Regenerate.
3683         * Makefile.am (LIBDL): New variable.
3684         (CCFILES): Add plugin.cc.
3685         (HFILES): Add plugin.h.
3686         (ldadd_var): Add LIBDL.
3687         * Makefile.in: Regenerate.
3688
3689         * archive.cc: Include "plugin.h".
3690         (Archive::setup): Don't preread archive symbols when using a plugin.
3691         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
3692         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
3693         files.
3694         (Archive::include_member): Add symbols from plugin objects.
3695         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
3696         * descriptors.cc (Descriptors::open): Check for file descriptors
3697         abandoned by plugins.
3698         (Descriptors::claim_for_plugin): New function.
3699         * descriptors.h (Descriptors::claim_for_plugin): New function.
3700         (Open_descriptor::is_claimed): New field.
3701         (claim_descriptor_for_plugin): New function.
3702         * fileread.cc (File_read::claim_for_plugin): New function.
3703         * fileread.h (File_read::claim_for_plugin): New function.
3704         (File_read::descriptor): New function.
3705         * gold.cc: Include "plugin.h".
3706         (queue_initial_tasks): Add task to call plugin hooks for generating
3707         new object files.
3708         * main.cc: Include "plugin.h".
3709         (main): Load plugin libraries.
3710         * object.h (Pluginobj): Declare.
3711         (Object::pluginobj): New function.
3712         (Object::do_pluginobj): New function.
3713         (Object::set_target): New function.
3714         * options.cc: Include "plugin.h".
3715         (General_options::parse_plugin): New function.
3716         (General_options::General_options): Initialize plugins_ field.
3717         (General_options::add_plugin): New function.
3718         * options.h (Plugin_manager): Declare.
3719         (General_options): Add --plugin option.
3720         (General_options::has_plugins): New function.
3721         (General_options::plugins): New function.
3722         (General_options::add_plugin): New function.
3723         (General_options::plugins_): New field.
3724         * plugin.cc: New file.
3725         * plugin.h: New file.
3726         * readsyms.cc: Include "plugin.h".
3727         (Read_symbols::do_read_symbols): Check for archive before checking
3728         for ELF file.  Call plugin hooks to claim files.
3729         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
3730         from a real object file; force override when processing replacement
3731         files.
3732         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
3733         (Symbol::init_base_object): Likewise.
3734         (Symbol::init_base_output_data): Likewise.
3735         (Symbol::init_base_output_segment): Likewise.
3736         (Symbol::init_base_constant): Likewise.
3737         (Symbol::init_base_undefined): Likewise.
3738         (Symbol::output_section): Assert that object is not a plugin.
3739         (Symbol_table::add_from_pluginobj): New function.
3740         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
3741         undefined.
3742         (Symbol_table::sized_write_globals): Likewise.
3743         (Symbol_table::add_from_pluginobj): Instantiate template.
3744         * symtab.h (Sized_pluginobj): Declare.
3745         (Symbol::in_real_elf): New function.
3746         (Symbol::set_in_real_elf): New function.
3747         (Symbol::in_real_elf_): New field.
3748         (Symbol_table::add_from_pluginobj): New function.
3749
3750         * testsuite/Makefile.am (AM_CFLAGS): New variable.
3751         (LIBDL): New variable.
3752         (LDADD): Add LIBDL.
3753         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
3754         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
3755         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
3756         (MOSTLYCLEANFILES): Likewise.
3757         * testsuite/Makefile.in: Regenerate.
3758         * testsuite/plugin_test.c: New file.
3759         * testsuite/plugin_test_1.sh: New file.
3760         * testsuite/plugin_test_2.sh: New file.
3761
3762 2008-09-16  Ian Lance Taylor  <iant@google.com>
3763
3764         * target-reloc.h (relocate_section): Check whether a symbol is
3765         defined by the ABI before reporting an undefined symbol error.
3766         * target.h (Target::is_defined_by_abi): Make parameter const.
3767         (Target::do_is_defined_by_abi): Likewise.
3768         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
3769         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
3770         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
3771         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
3772         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
3773         * testsuite/Makefile.in: Rebuild.
3774
3775         * fileread.cc (make_view): Add casts to avoid warning.
3776
3777 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
3778
3779         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
3780         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
3781
3782 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
3783
3784         * options.h (General_options::output_is_executable): New.
3785         (General_options::output_is_pie): New.
3786         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
3787         for shared libraries.
3788         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
3789
3790 2008-09-11  Chris Demetriou  <cgd@google.com>
3791
3792         * options.h (origin): New -z option.
3793         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
3794         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
3795         in DT_FLAGS_1.
3796
3797 2008-09-05  Cary Coutant  <ccoutant@google.com>
3798
3799         * fileread.cc (File_read::make_view): Add check for attempt to map
3800         beyond end of file.
3801
3802 2008-09-05  Cary Coutant  <ccoutant@google.com>
3803
3804         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
3805         explicit instantiations.
3806
3807 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
3808
3809         PR gold/6858
3810         * options.cc (General_options::finalize): Allow undefined symbols
3811         in shlibs if linking -shared.
3812
3813         PR gold/6859
3814         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
3815         symbols as not needing a dynsym entry.
3816
3817 2008-08-20  Craig Silverstein  <csilvers@google.com>
3818
3819         * fileread.cc (File_read::open): Do not lock the file unless it
3820         was successfully opened.
3821
3822 2008-08-14  Cary Coutant  <ccoutant@google.com>
3823
3824         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
3825         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
3826         * testsuite/tls_test.cc (struct int128): 128-bit struct
3827         for testing TLS relocs with non-zero addend.
3828         (v12): New TLS variable.
3829         (t12): New test.
3830         (t_last): Add check for v12.
3831         * testsuite/tls_test.h (t12): New function.
3832         * testsuite/tls_test_main.cc (thread_routine): Call new test.
3833
3834 2008-08-13  Ian Lance Taylor  <iant@google.com>
3835
3836         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
3837         set tls_segment_ or relro_segment_.
3838         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
3839         when appropriate.
3840         * output.h (Output_section::clear_is_relro): New function.
3841         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
3842         sections specially even when output_data_ is empty.
3843         (Output_segment::maximum_alignment): When first section is relro,
3844         only force alignment for PT_LOAD segments.
3845         * script.cc (script_data_segment_align): New function.
3846         (script_data_segment_relro_end): New function.
3847         * script-c.h (script_data_segment_align): Declare.
3848         (script_data_segment_relro_end): Declare.
3849         * script-sections.h (class Script_sections): Declare
3850         data_segment_align and data_segment_relro_end.  Add fields
3851         segment_align_index_ and saw_relro_end_.
3852         * script-sections.cc (class Sections_element): Add set_is_relro
3853         virtual function.  Add new bool* parameter to place_orphan_here.
3854         Add get_output_section virtual function.
3855         (class Output_section_definition): Add set_is_relro.  Add new
3856         bool* parameter to place_orphan_here.  Add get_output_section.
3857         Add is_relro_ field.
3858         (Output_section_definition::Output_section_definition): Initialize
3859         evaluated_address_, evaluated_load_address, evaluated_addralign_,
3860         and is_relro_ fields.
3861         (Output_section_definition::place_orphan_here): Add is_relro
3862         parameter.
3863         (Output_section_definition::set_section_addresses): Set relro for
3864         output section.
3865         (Output_section_definition::alternate_constraint): Likewise.
3866         (class Orphan_output_section): Add new bool* parameter to
3867         place_orphan_here.  Add get_output_section.
3868         (Orphan_output_section::place_orphan_here): Add is_relro
3869         parameter.
3870         (Script_sections::Script_sections): Initialize
3871         data_segment_align_index_ and saw_relro_end_.
3872         (Script_sections::data_segment_align): New function.
3873         (Script_sections::data_segment_relro_end): New function.
3874         (Script_sections::place_orphan): Set or clear is_relro.
3875         (Script_sections::set_section_addresses): Force alignment of first
3876         TLS section.
3877         * yyscript.y (exp): Call script_data_segment_align and
3878         script_data_segment_relro_end.
3879         * testsuite/relro_script_test.t: New file.
3880         * testsuite/relro_test.cc (using_script): Declare.
3881         (t1, t2): Test using_script.
3882         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
3883         (relro_script_test_SOURCES): Define.
3884         (relro_script_test_DEPENDENCIES): Define.
3885         (relro_script_test_LDFLAGS): Define.
3886         (relro_script_test_LDADD): Define.
3887         (relro_script_test.so): New target.
3888         * testsuite/Makefile.in: Rebuild.
3889
3890 2008-08-06  Cary Coutant <ccoutant@google.com>
3891
3892         * archive.cc (Archive::total_archives, Archive::total_members)
3893         (Archive::total_members_loaded): New variables.
3894         (Archive::setup): Add parameter.  Add option to preread
3895         archive symbols.
3896         (Archive::read_armap): Add counter.
3897         (Archive::get_file_and_offset): New function.
3898         (Archive::get_elf_object_for_member): New function.
3899         (Archive::read_all_symbols): New function.
3900         (Archive::read_symbols): New function.
3901         (Archive::add_symbols): Add counters.
3902         (Archive::include_all_members): Use armap to find members if it's
3903         already built.
3904         (Archive::include_member): Skip reading symbols if already read.
3905         Factored code into Archive::get_file_and_offset and
3906         Archive::get_elf_object_for_member.  Changed call to
3907         Mapfile::report_include_archive_member.
3908         (Archive::print_stats): New function.
3909         * archive.h: Declare Object and Read_symbols_data classes.
3910         (Archive::Archive): Add initializers for new members.
3911         (Archive::setup): Add parameter.
3912         (Archive::print_stats): New function.
3913         (Archive::total_archives, Archive::total_members)
3914         (Archive::total_members_loaded): New variables.
3915         (Archive::get_file_and_offset): New function.
3916         (Archive::get_elf_object_for_member): New function.
3917         (Archive::read_all_symbols): New function.
3918         (Archive::read_symbols): New function.
3919         (Archive::Archive_member): New class.
3920         (Archive::members_): New member.
3921         (Archive::num_members_): New member.
3922         * main.cc: Include archive.h.
3923         (main): Call Archive::print_stats.
3924         * mapfile.cc (Mapfile::report_include_archive_member): Delete
3925         archive parameter; member_name is now the fully-decorated name.
3926         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
3927         * options.h: (General_options): Add --preread-archive-symbols option.
3928         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
3929         Archive::setup.
3930
3931 2008-08-04  Ian Lance Taylor  <iant@google.com>
3932
3933         * symtab.h (Symbol::use_plt_offset): New function.
3934         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
3935         * powerpc.cc (Relocate::relocate): Likewise.
3936         * sparc.cc (Relocate::relocate): Likewise.
3937         * x86_64.cc (Relocate::relocate): Likewise.
3938         * testsuite/weak_plt.sh: New test.
3939         * testsuite/weak_plt_main.cc: New test.
3940         * testsuite/weak_plt_shared.cc: New test.
3941         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
3942         (check_PROGRAMS): Add weak_plt.
3943         (check_DATA): Add weak_plt_shared.so.
3944         (weak_plt_main_pic.o, weak_plt): New targets.
3945         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
3946         * testsuite/Makefile.in: Rebuild.
3947
3948         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
3949         gcctestdir/ld.
3950         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
3951         * testsuite/Makefile.in: Rebuild.
3952
3953 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
3954
3955         * Makefile.am (POTFILES.in): Set LC_ALL=C.
3956         * Makefile.in: Regenerate.
3957         * po/POTFILES.in: Regenerate.
3958
3959 2008-07-29  Ian Lance Taylor  <iant@google.com>
3960
3961         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
3962         symbols before other symbols.
3963         * testsuite/script_test_2.cc (test_addr): Declare.
3964         (test_addr_alias): Declare.
3965         (main): Check that test_addr and test_addr_alias have the right
3966         values.
3967         * testsuite/script_test_2.t: Define test_addr_alias and
3968         test_addr.
3969
3970 2008-07-24  Ian Lance Taylor  <iant@google.com>
3971
3972         PR 5990
3973         * descriptors.cc: New file.
3974         * descriptors.h: New file.
3975         * gold-threads.h (class Hold_optional_lock): New class.
3976         * fileread.cc: Include "descriptors.h".
3977         (File_read::~File_read): Release descriptor rather than closing
3978         it.
3979         (File_read::open) [file]: Call open_descriptor rather than open.
3980         Set is_descriptor_opened_.
3981         (File_read::open) [memory]: Assert that descriptor is not open.
3982         (File_read::reopen_descriptor): New function.
3983         (File_read::release): Release descriptor.
3984         (File_read::do_read): Make non-const.  Reopen descriptor.
3985         (File_read::read): Make non-const.
3986         (File_read::make_view): Reopen descriptor.
3987         (File_read::do_readv): Likewise.
3988         * fileread.h (class File_read): Add is_descriptor_opened_ field.
3989         Update declarations.
3990         * layout.cc: Include "descriptors.h".
3991         (Layout::create_build_id): Use open_descriptor rather than open.
3992         * output.cc: Include "descriptors.h".
3993         (Output_file::open): Use open_descriptor rather than open.
3994         * archive.cc (Archive::const_iterator): Change Archive to be
3995         non-const.
3996         (Archive::begin, Archive::end): Make non-const.
3997         (Archive::count_members): Likewise.
3998         * archive.h (class Archive): Update declarations.
3999         * object.h (Object::read): Make non-const.
4000         * Makefile.am (CCFILES): Add descriptors.cc.
4001         (HFILES): Add descriptors.h.
4002         * Makefile.in: Rebuild.
4003
4004         PR 6716
4005         * gold.h: Always include <clocale>.  Add Solaris workarounds
4006         following code in binutils/sysdep.h.
4007
4008         PR 6048
4009         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
4010         this->eh_frame_hdr_ is NULL before using it.
4011
4012         * dynobj.cc (Versions::Versions): Update comment.
4013
4014         * dynobj.cc (Versions::Versions): If there is an soname, use it as
4015         the base version name.
4016
4017         * stringpool.cc (Stringpool_template::add_with_length): Set key to
4018         array size plus one.
4019         (Stringpool_template::set_string_offsets): Subtract one from key
4020         before using it as an array index.
4021         (Stringpool_template::get_offset_with_length): Likewise.
4022         (Stringpool_template::write_to_buffer): Likewise.
4023         * stringpool.h (Stringpool_template::get_offset_from_key):
4024         Likewise.
4025
4026 2008-07-23  Ian Lance Taylor  <iant@google.com>
4027
4028         PR 6658
4029         * object.h (Merged_symbol_value::value): Do our best to handle a
4030         negative addend.
4031
4032         PR 6647
4033         * script.cc (Version_script_info::get_versions): Don't add empty
4034         version tag to return value.
4035         (Version_script_info::get_symbol_version_helper): Change return
4036         type to bool.  Add pversion parameter.  Change all callers.
4037         (script_register_vers_node): Don't require a non-NULL tag.
4038         * script.h (class Version_script_info): Update declarations.
4039         (Version_script_info::get_symbol_version): Change return type to
4040         bool.  Add version parameter.  Change all callers.
4041         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
4042         handling.  Handle an empty version from a version script.
4043         (Symbol_table::define_special_symbol): Likewise.
4044         * testsuite/ver_test_10.script: New file.
4045         * testsuite/ver_test_10.sh: New file.
4046         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
4047         (check_DATA): Add ver_test_10.syms.
4048         (ver_test_10.syms, ver_test_10.so): New target.
4049         * testsuite/Makefile.in: Rebuild.
4050
4051 2008-07-23  Simon Baldwin  <simonb@google.com>
4052
4053         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
4054         to zero for undefined symbols from dynamic libraries.
4055
4056 2008-07-23  Ian Lance Taylor  <iant@google.com>
4057
4058         * symtab.cc (Symbol_table::resolve): Remove version parameter.
4059         Change all callers.
4060         * symtab.h (class Symbol_table): Update declaration.
4061         * testsuite/ver_test_9.cc: New file.
4062         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
4063         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
4064         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
4065         (ver_test_9.so, ver_test_9.o): New targets.
4066         * testsuite/Makefile.in: Rebuild.
4067
4068 2008-07-22  Ian Lance Taylor  <iant@google.com>
4069
4070         * options.h (class General_options): Define --check-sections.
4071         * layout.cc (Layout::set_segment_offsets): Handle
4072         --check-sections.
4073
4074         * options.h (class General_options): Define -n/--nmagic and
4075         -N/--omagic.
4076         * options.cc (General_options::finalize): For -n/--nmagic or
4077         -N/--omagic, set -static.
4078         * layout.cc (Layout::attach_allocated_section_to_segment): If
4079         -N/--omagic, don't put read-only and read-write sections in
4080         different segments.
4081         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
4082         finding a read-only segment.
4083         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
4084         don't set the minimum segment alignment to the common page size,
4085         and don't set the file offset to the address modulo the page size.
4086         * script-sections.cc (Script_sections::create_segments): If
4087         -n/--omagic, don't put read-only and read-write sections in
4088         different segments.
4089
4090         * cref.cc: New file.
4091         * cref.h: New file.
4092         * options.h (class General_options): Add --print-symbol-counts.
4093         * main.cc (main): Issue defined symbol report if requested.
4094         * archive.cc (Archive::interpret_header): Make into a const member
4095         function.
4096         (Archive::add_symbols): Call Input_objects::archive_start and
4097         archive_stop.
4098         (Archive::const_iterator): Define new class.
4099         (Archive::begin, Archive::end): New functions.
4100         (Archive::include_all_members): Rewrite to use iterator.
4101         (Archive::count_members): New function.
4102         * archive.h (class Archive): Update declarations.
4103         (Archive::filename): New function.
4104         * object.cc: Include "cref.h".
4105         (Sized_relobj::Sized_relobj): Initialize defined_count_.
4106         (Sized_relobj::do_get_global_symbol_counts): New function.
4107         (Input_objects::add_object): Add object to cross-referencer.
4108         (Input_objects::archive_start): New function.
4109         (Input_objects::archive_stop): New function.
4110         (Input_objects::print_symbol_counts): New function.
4111         * object.h: Declare Cref and Archive.
4112         (Object::get_global_symbol_counts): New function.
4113         (Object::do_get_global_symbol_counts): New pure virtual function.
4114         (class Sized_relobj): Add defined_count_ field.  Update
4115         declarations.
4116         (class Input_objects): Add cref_ field.  Update constructor.
4117         Update declarations.
4118         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
4119         defined_count_.
4120         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
4121         symbol counts.
4122         (Sized_dynobj::do_get_global_symbol_counts): New function.
4123         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
4124         defined_count_.  Update declarations.  Define Symbols typedef.
4125         * symtab.cc (Symbol_table::add_from_relobj): Add defined
4126         parameter.  Change all callers.
4127         (Symbol_table::add_from_dynobj): Add sympointers and defined
4128         parameters.  Change all callers.
4129         * symtab.h (class Symbol_table): Update declarations.
4130         * Makefile.am (CCFILES): Add cref.cc.
4131         (HFILES): Add cref.h.
4132         * Makefile.in: Rebuild.
4133
4134 2008-07-22  Simon Baldwin  <simonb@google.com>
4135
4136         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
4137         to zero when writing undefined symbols.
4138
4139 2008-07-22  Ian Lance Taylor  <iant@google.com>
4140
4141         * output.cc (Output_section::add_input_section): Don't try to
4142         merge empty merge sections.
4143
4144 2008-07-21  Craig Silverstein  <csilvers@google.com>
4145
4146         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
4147         Include symbol version in error message.
4148
4149 2008-07-20  Chris Demetriou  <cgd@google.com>
4150
4151         * configure.ac (gold_cv_c_random_seed): New configured variable.
4152         (RANDOM_SEED_CFLAGS): New substituted variable.
4153         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
4154         * configure: Rebuild.
4155         * Makefile.in: Likewise.
4156         * testsuite/Makefile.in: Likewise.
4157
4158 2008-07-18  Ian Lance Taylor  <iant@google.com>
4159
4160         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
4161         where we see NAME/NULL and NAME/VERSION  as separate symbols.
4162         * testsuite/ver_test_main.cc (main): Call t4.
4163         (t4, t4_2a): Define.
4164         * testsuite/ver_test_2.cc (t4_2): Define.
4165         * testsuite/ver_test_2.script: Put t4_2a in VER2.
4166         * testsuite/ver_test_4.cc (t4_2a): Define.
4167         * testsuite/ver_test_4.script: Put t4_2a in VER2.
4168         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
4169
4170 2008-07-17  Ian Lance Taylor  <iant@google.com>
4171
4172         * dynobj.cc (Versions::add_def): If we give an error about a
4173         missing version, go ahead and create the version anyhow.
4174
4175 2008-07-10  Ian Lance Taylor  <iant@google.com>
4176
4177         Handle output sections with more than 0x7fffffff bytes.
4178         * object.h (class Relobj): Change map_to_output_ to
4179         output_sections_, and just keep a section pointer.  Change all
4180         uses.  Move comdat group support to Sized_relobj.
4181         (Relobj::is_section_specially_mapped): Remove.
4182         (Relobj::output_section): Remove poff parameter.  Change all
4183         callers.
4184         (Relobj::output_section_offset): New function.
4185         (Relobj::set_section_offset): Rewrite.
4186         (Relobj::map_to_output): Remove.
4187         (Relobj::output_sections): New function.
4188         (Relobj::do_output_section_offset): New pure virtual function.
4189         (Relobj::do_set_section_offset): Likewise.
4190         (class Sized_relobj): Add section_offsets_ field.  Add comdat
4191         group support from Relobj.  Update declarations.
4192         (Sized_relobj::get_output_section_offset): New function.
4193         (Sized_relobj::do_output_section_offset): New function.
4194         (Sized_relobj::do_set_section_offset): New function.
4195         * object.cc (Relobj::output_section_address): Remove.
4196         (Sized_relobj::Sized_relobj): Initialize new fields.
4197         (Sized_relobj::include_section_group): Cast find_kept_object to
4198         Sized_relobj.
4199         (Sized_relobj::include_linkonce_section): Likewise.
4200         (Sized_relobj::do_layout): Use separate arrays for output section
4201         and output offset.
4202         (Sized_relobj::do_count_local_symbols): Change map_to_output to
4203         output_sections.
4204         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
4205         output_sections and section_offsets.
4206         (Sized_relobj::write_local_symbols): Likewise.
4207         (map_to_kept_section): Compute output address directly.
4208         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
4209         output_sections and section_offsets.
4210         (Sized_relobj::write_sections): Likewise.
4211         (Sized_relobj::relocate_sections): Likewise.
4212         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
4213         * output.h (class Output_reloc): Update declarations.  Change
4214         u2_.relobj to Sized_relobj*.
4215         (class Output_data_reloc): Change add functions to use
4216         Sized_relobj*.
4217         * output.cc (Output_reloc::Output_reloc): Change relobj to
4218         Sized_relobj*.
4219         (Output_reloc::local_section_offset): Change return type to
4220         Elf_Addr.  Use get_output_section_offset.
4221         (Output_reloc::get_address): Likewise.
4222         (Output_section::is_input_address_mapped): Don't call
4223         is_section_specially_mapped.
4224         (Output_section::output_offset): Likewise.
4225         (Output_section::output_address): Likewise.
4226         (Output_section::starting_output_address): Likewise.
4227         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
4228         parameter to Sized_relobj*.
4229         (Copy_relocs::need_copy_reloc): Likewise.
4230         (Copy_relocs::save): Likewise.
4231         * copy-relocs.h (class Copy_relocs): Update declarations.
4232         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
4233         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
4234         * target-reloc.h (relocate_for_relocatable): Change
4235         offset_in_output_section type to Elf_Addr.  Change code that uses
4236         it as well.
4237         * layout.cc (Layout::layout): Always set *off.
4238         * mapfile.cc (Mapfile::print_input_section): Use
4239         output_section_offset.
4240         * i386.cc (Target_i386::copy_reloc): Change object parameter to
4241         Sized_relobj*.
4242         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
4243         * sparc.cc (Target_sparc::copy_reloc): Likewise.
4244         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
4245
4246 2008-07-03  Ian Lance Taylor  <iant@google.com>
4247
4248         * layout.cc (Layout::include_section): Do not discard unrecognized
4249         SHT_STRTAB sections.
4250
4251 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
4252
4253         * script.cc (Lex::can_continue_name): Make '?' allowable in
4254         version-script names.
4255         * testsuite/version_script.map: Change glob pattern to use '?'
4256
4257 2008-06-30  Manish Singh  <yosh@gimp.org>
4258
4259         PR 6585
4260         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
4261         Correct typo.
4262
4263 2008-06-30  Ian Lance Taylor  <iant@google.com>
4264
4265         PR 6660
4266         PR 6682
4267         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
4268         versions]: Don't try to read the value in the contents, since we
4269         don't use it.  Use the template endianness when writing.
4270
4271 2008-06-25  Cary Coutant  <ccoutant@google.com>
4272
4273         * fileread.cc (File_read::make_view): Assert on zero-length view.
4274         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
4275         symbol table when there are no symbols to read.
4276
4277 2008-06-23  Craig Silverstein  <csilvers@google.com>
4278
4279         * version.cc (version_string): Bump to 1.7
4280
4281 2008-06-18  Craig Silverstein  <csilvers@google.com>
4282
4283         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
4284         constant 0xFFFF to type Valtype.
4285         (Powerpc_relocate_functions::rel16_ha): Likewise.
4286
4287 2008-06-17  Ian Lance Taylor  <iant@google.com>
4288
4289         * output.h (Output_section::Input_section): Initialize p2align_ to
4290         zero for Output_section_data constructors.
4291         (Output_section::Input_section::addralign): If not an input
4292         section, return the alignment of the Output_section_data.
4293         * testsuite/copy_test.cc: New file.
4294         * testsuite/copy_test_1.cc: New file.
4295         * testsuite/copy_test_2.cc: New file.
4296         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
4297         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
4298         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
4299         (copy_test_1_pic.o, copy_test_1.so): New targets.
4300         (copy_test_2_pic.o, copy_test_2.so): New targets.
4301         * testsuite/Makefile.in: Rebuild.
4302
4303         * script-sections.cc (Script_sections::place_orphan): Initialize
4304         local variable exact.
4305
4306 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
4307
4308         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
4309
4310 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
4311             David S. Miller  <davem@davemloft.net>
4312
4313         * powerpc.cc: New file.
4314         * Makefile.am (TARGETSOURCES): Add powerpc.cc
4315         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
4316         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
4317         * Makefile.in: Rebuild.
4318
4319 2008-06-09  Ian Lance Taylor  <iant@google.com>
4320
4321         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
4322         <exception>.
4323         (throwing, orig_terminate): New static variables.
4324         (terminate_handler): New static function.
4325         (t2): Set terminate handler.
4326
4327 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
4328
4329         PR 6584
4330         * binary.cc (Binary_to_elf::sized_convert): Fix .data
4331         alignment.
4332
4333 2008-05-30  Cary Coutant  <ccoutant@google.com>
4334
4335         * archive.cc (Archive::include_all_members) Correct to step
4336         over symbol table and extended name table in thin archives.
4337
4338 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
4339
4340         PR 6407
4341         * target-reloc.h (relocate_for_relocatable): Fix new_offset
4342         calculation.
4343
4344 2008-05-28  Caleb Howe  <cshowe@google.com>
4345
4346         * reduced_debug_output.cc: New file.
4347         * reduced_debug_output.h: New file.
4348         * options.h (class General_options): Add --strip-debug-non-line.
4349         * options.cc (General_options::finalize): Add strip_debug_non_line
4350         to the strip heirarchy.
4351         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
4352         fields.
4353         * layout.cc: Include "reduced_debug_output.h".
4354         (Layout::Layout): Initialize new fields.
4355         (line_only_debug_sections): New static array.
4356         (is_lines_only_debug_sections): New static inline function.
4357         (Layout::include_section): Handle --strip-debug-non-line.
4358         (Layout::make_output_section): If --strip-debug-non-line, build
4359         new output sections for .debug_abbrev and .debug_info.
4360         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
4361         gold.  Warn about possible overflow.
4362         (read_signed_LEB_128): Likewise.
4363         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
4364         (read_signed_LEB_128): Declare.
4365         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
4366         (HFILES): Add reduced_debug_output.h.
4367         * Makefile.in: Rebuild.
4368
4369 2008-05-21  Ian Lance Taylor  <iant@google.com>
4370
4371         * mapfile.cc: New file.
4372         * mapfile.h: New file.
4373         * options.h (class General_options): Add -M/--print-map and -Map.
4374         * options.cc (General_options::finalize): Make -M equivalent to
4375         -Map -.
4376         * main.cc: Include <cstdio> and "mapfile.h".
4377         (main): Open mapfile if requested.
4378         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
4379         constructor.  Change caller.
4380         (queue_initial_tasks): Add mapfile parameter.  Change caller.
4381         (queue_middle_tasks): Likewise.
4382         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
4383         declarations.
4384         * archive.cc: Include "mapfile.h".
4385         (Archive::add_symbols): Add mapfile parameter.  Change all
4386         callers.  Pass mapfile, symbol, and reason to include_member.
4387         (Archive::include_all_members): Add mapfile parameter.  Change all
4388         callers.
4389         (Archive::include_member): Add mapfile, sym, and why parameters.
4390         Change all callers.  Report inclusion to map file.
4391         * archive.h: Include "fileread.h".
4392         (class Archive): Update declarations.
4393         (Archive::file): New const method.
4394         (class Add_archive_symbols): Add mapfile_ field.  Update
4395         constructor.  Change all callers.
4396         * readsyms.h (class Read_symbols): Likewise.
4397         (class Finish_group): Likewise.
4398         (class Read_script): Likewise.
4399         * common.cc: Include "mapfile.h".
4400         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
4401         all callers.
4402         (Symbol_table::do_allocate_commons): Likewise.
4403         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
4404         symbol allocation to mapfile.
4405         * common.h (class Allocate_commons_task): Add mapfile_ field.
4406         Update constructor.  Change all callers.
4407         * symtab.h (class Symbol_table): Update declarations.
4408         * layout.cc: Include "mapfile.h".
4409         (Layout_task_runner::run): Print information to mapfile.
4410         (Layout::create_gold_note): Change Output_data_fixed_space to
4411         Output_data_zero_fill.
4412         (Layout::create_build_id): Likewise.
4413         (Layout::print_to_mapfile): New function.
4414         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
4415         constructor.  Change caller.
4416         (class Layout): Declare print_to_mapfile.
4417         * output.cc (Output_section::Input_section::print_to_mapfile): New
4418         function.
4419         (Output_section::add_input_section): If producing a map, always
4420         add to input_sections_ list.
4421         (Output_section::do_print_to_mapfile): New function.
4422         (Output_segment::print_sections_to_mapfile): New function.
4423         (Output_segment::print_section_list_to_mapfile): New function.
4424         * output.h: Include "mapfile.h".
4425         (Output_data::print_to_mapfile): New function.
4426         (Output_data::do_print_to_mapfile): New virtual function.
4427         (Output_segment_headers::do_print_to_mapfile): New function.
4428         (Output_file_header::do_print_to_mapfile): New function.
4429         (Output_data_const::do_print_to_mapfile): New function.
4430         (class Output_data_const_buffer): Add map_name_ field.  Update
4431         constructor.  Change all callers.  Add do_print_to_mapfile
4432         function.
4433         (class Output_data_fixed_space): Likewise.
4434         (class Output_data_space): Likewise.
4435         (class Output_data_zero_fill): New class.
4436         (Output_data_strtab::do_print_to_mapfile): New function.
4437         (Output_data_reloc_base::do_print_to_mapfile): New function.
4438         (Output_relocatable_relocs::do_print_to_mapfile): New function.
4439         (Output_data_group::do_print_to_mapfile): New function.
4440         (Output_data_got::do_print_to_mapfile): New function.
4441         (Output_data_dynamic::do_print_to_mapfile): New function.
4442         (Output_symtab_xindex::do_print_to_mapfile): New function.
4443         (class Output_section): Declare do_print_to_mapflie.  Declare
4444         print_to_mapfile in Input_section.
4445         (class Output_segment): Declare new functions.
4446         * object.h (Sized_relobj::symbol_count): New function.
4447         * script-sections.cc
4448         (Output_section_element_dot_assignment::set_section_addresses):
4449         Change Output_data_fixed_space to Output_data_zero_fill.
4450         (Output_data_expression::do_print_to_mapfile): New function.
4451         * script.cc (read_input_script): Add mapfile parameter.  Change
4452         all callers.
4453         * script.h (read_input_script): Update declaration.
4454         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
4455         (Eh_frame::do_print_to_mapfile): New function.
4456         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
4457         (Output_merge_string::do_print_to_mapfile): New function.
4458         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
4459         function.
4460         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
4461         function.
4462         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
4463         function.
4464         * Makefile.am (CCFILES): Add mapfile.cc.
4465         (HFILES): Add mapfile.h.
4466         * Makefile.in: Rebuild.
4467
4468 2008-05-19  Ian Lance Taylor  <iant@google.com>
4469
4470         * options.h (class General_options): Add -z relro.
4471         * layout.cc (Layout::Layout): Initialize relro_segment_.
4472         (Layout::add_output_section_data): Return the output section.
4473         (Layout::make_output_section): Rcognize relro sections and mark
4474         them appropriately.
4475         (Layout::attach_allocated_section_to_segment): Put relro sections
4476         in a PT_GNU_RELRO segment.
4477         (Layout::create_initial_dynamic_sections): Mark the .dynamic
4478         section as relro.
4479         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
4480         PT_TLS segments.
4481         (Layout::linkonce_mapping): Map d.rel.ro.local to
4482         .data.rel.ro.local.
4483         (Layout::output_section_name): Us .data.rel.ro.local for any
4484         section which begins with that.
4485         * layout.h (class Layout): Update add_output_section_data
4486         declaration.  Add relro_segment_ field.
4487         * output.cc (Output_section::Output_section): Initialize is_relro_
4488         and is_relro_local_ fields.
4489         (Output_segment::add_output_section): Group relro sections.
4490         (Output_segment::is_first_section_relro): New function.
4491         (Output_segment::maximum_alignment): If there is a relro section,
4492         align the segment to the common page size.
4493         (Output_segment::set_section_addresses): Track whether we are
4494         looking at relro sections.  If the last section is a relro
4495         section, align to the common page size.
4496         (Output_segment::set_section_list_addresses): Add in_relro
4497         parameter.  Change all callers.  Align to the page size when
4498         moving from relro to non-relro section.
4499         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
4500         segment.
4501         * output.h (class Output_section): Add is_relro_ and
4502         is_relro_local_ fields.
4503         (Output_section::is_relro): New function.
4504         (Output_section::set_is_relro): New function.
4505         (Output_section::is_relro_local): New function.
4506         (Output_section::set_is_relro_local): New function.
4507         (class Output_segment): Update declarations.
4508         * i386.cc (Target_i386::got_section): Mark .got section as relro.
4509         * sparc.cc (Target_sparc::got_section): Likewise.
4510         * x86_64.cc (Target_x86_64::got_section): Likewise.
4511         * testsuite/relro_test_main.cc: New file.
4512         * testsuite/relro_test.cc: New file.
4513         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
4514         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
4515         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
4516         (relro_test.so, relro_test_pic.o): New targets.
4517         * testsuite/Makefile.in: Rebuild.
4518
4519 2008-05-16  Ian Lance Taylor  <iant@google.com>
4520
4521         * output.cc (Output_segment::add_output_section): Remove front
4522         parameter.
4523         * output.h (class Output_segment): Remove
4524         add_initial_output_section and overloaded add_output_section.
4525         Update declaration of remaining add_output_section.
4526         * layout.cc (Layout::create_interp): Call add_output_section
4527         rather than add_initial_output_section.
4528         (Layout::finish_dynamic_section): Likewise.
4529
4530         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
4531         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
4532         know the dynamic type.
4533         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
4534         field.  Initialize it in constructor.
4535         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
4536         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
4537         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
4538         reloc.
4539
4540         * output.cc (Output_reloc::get_address): Change return type to
4541         Elf_Addr.
4542         * output.h (class Output_reloc): Update get_address declaration.
4543         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
4544         for section addresses.
4545
4546 2008-05-09  Ian Lance Taylor  <iant@google.com>
4547
4548         PR 6493
4549         * gold.cc (gold_nomem): Use return value of write.
4550
4551 2008-05-08  Ian Lance Taylor  <iant@google.com>
4552
4553         * symtab.c (Symbol::init_base_output_data): Add version
4554         parameter.  Change all callers.
4555         (Symbol::init_base_output_segment): Likewise.
4556         (Symbol::init_base_constant): Likewise.
4557         (Symbol::init_base_undefined): Likewise.
4558         (Sized_symbol::init_output_data): Likewise.
4559         (Sized_symbol::init_output_segment): Likewise.
4560         (Sized_symbol::init_constant): Likewise.
4561         (Sized_symbol::init_undefined): Likewise.
4562         (Symbol_table::do_define_in_output_data): If the new symbol has a
4563         version, mark it as the default.
4564         (Symbol_table::do_define_in_output_segment): Likewise.
4565         (Symbol_table::do_define_as_constant): Likewise.
4566         * symtab.h (class Symbol): Update declarations.
4567         (class Sized_symbol): Likewise.
4568         * resolve.cc (Symbol::override_version): New function.
4569         (Symbol::override_base): Call override_version.
4570         (Symbol::override_base_with_special): Likewise.
4571         * testsuite/ver_script_8.script: New file.
4572         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
4573         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
4574         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
4575         (ver_test_8_1.so, ver_test_8_2.so): New targets.
4576
4577 2008-05-06  Ian Lance Taylor  <iant@google.com>
4578
4579         PR 6049
4580         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
4581         functions.
4582         (class General_options): Remove existing --undefined, and add
4583         --no-undefined instead.  Add new --undefined as synonym for -u.
4584         * archive.cc (Archive::add_symbols): Check whether symbol was
4585         named with -u.
4586         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
4587         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
4588         all uses.  Add IS_UNDEFINED.  Update declarations to split
4589         different versions of init_base.  Declare init_base_undefined.
4590         (Symbol::is_defined): Handle IS_UNDEFINED.
4591         (Symbol::is_undefined): Likewise.
4592         (Symbol::is_weak_undefined): Call is_undefined.
4593         (Symbol::is_absolute): Handle IS_CONSTANT.
4594         (class Sized_symbol): Update declarations to split different
4595         versions of init.  Declare init_undefined.
4596         (class Symbol_table): Declare new functions.
4597         * symtab.cc (Symbol::init_base_object): Rename from init_base.
4598         Change all callers.
4599         (Symbol::init_base_output_data): Likewise.
4600         (Symbol::init_base_output_segment): Likewise.
4601         (Symbol::init_base_constant): Likewise.
4602         (Symbol::init_base_undefined): New function.
4603         (Sized_symbol::init_object): Rename from init.  Change all
4604         callers.
4605         (Sized_symbol::init_output_data): Likewise.
4606         (Sized_symbol::init_output_segment): Likewise.
4607         (Sized_symbol::init_constant): Likewise.
4608         (Sized_symbol::init_undefined): New function.
4609         (Symbol_table::add_undefined_symbols_from_command_line): New
4610         function.
4611         (Symbol_table::do_add_undefined_symbols_from_command_line): New
4612         function.
4613         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
4614         (Symbol::output_section): Likewise.
4615         (Symbol::set_output_section): Likewise.
4616         (Symbol_table::sized_finalize_symbol): Likewise.
4617         (Symbol_table::sized_write_globals): Likewise.
4618         * resolve.cc (Symbol_table::should_override): Likewise.
4619         (Symbol::override_base_with_special): Likewise.
4620
4621         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
4622         symbol, change it to have default visibility.
4623         * testsuite/protected_1.cc: New file.
4624         * testsuite/protected_2.cc: New file.
4625         * testsuite/protected_3.cc: New file.
4626         * testsuite/protected_main_1.cc: New file.
4627         * testsuite/protected_main_2.cc: New file.
4628         * testsuite/protected_main_3.cc: New file.
4629         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
4630         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
4631         (protected_1_LDFLAGS, protected_1_LDADD): Define.
4632         (protected_1.so): New target.
4633         (protected_1_pic.o, protected_2_pic.o): New targets.
4634         (protected_3_pic.o): New target.
4635         (check_PROGRAMS): Add protected_2.
4636         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
4637         (protected_2_LDFLAGS, protected_2_LDADD): Define.
4638         * testsuite/Makefile.in: Rebuild.
4639
4640         * options.h (DEFINE_var): Add set_user_set_##varname__.
4641         (DEFINE_bool_alias): New macro.
4642         (class General_options): Define -Bstatic using DEFINE_bool_alias
4643         rather than DEFINE_special.  Add --undefined as an alias for -z
4644         defs.
4645         * options.cc (General_options::parse_Bstatic): Remove.
4646
4647         * options.h (class General_options): Add --fatal-warnings.
4648         * main.cc (main): Implement --fatal-warnings.
4649         * errors.h (Errors::warning_count): New function.
4650
4651         * options.h (class General_options): Add -Bsymbolic-functions.
4652         * symtab.h (Symbol::is_preemptible): Check for
4653         -Bsymbolic-functions.
4654
4655 2008-05-05  Ian Lance Taylor  <iant@google.com>
4656
4657         * options.h (DEFINE_bool): For DASH_Z, create the negative option
4658         as noVARNAME rather than no-VARNAME.
4659         (class General_options): Add option -z combreloc.
4660         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
4661         get_address.
4662         (Output_reloc::sort_before) [SHT_REL]: New function.
4663         (Output_reloc::sort_before) [SHT_RELA]: New function.
4664         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
4665         Sort_relocs_comparison.
4666         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
4667         parameter.  Change all callers.
4668         (Output_data_reloc::Output_data_reloc) [both versions]: Add
4669         sort_relocs parameter.  Change all callers.
4670         * output.cc (Output_reloc::get_address): New function, broken out
4671         of write_rel.
4672         (Output_reloc::write_rel): Call it.
4673         (Output_reloc::compare): New function.
4674         (Output_data_reloc_base::do_write): Optionally sort relocs.
4675
4676         * configure.ac: If targ_extra_obj is set, link it in.
4677         * configure.tgt: Initialize all variables.
4678         (x86_64*): Set targ_extra_obj and targ_extra_size.
4679         * configure: Rebuild.
4680
4681         * object.cc (Sized_relobj::include_section_group): Adjust section
4682         indexes read from group data.  Build vector to pass to
4683         layout_group.
4684         * layout.cc (Layout::layout_group): Add flags and shndxes
4685         parameters.  Remove contents parameter.  Change caller.  Update
4686         explicit instantiations.
4687         * layout.h (class Layout): Update layout_group declaration.
4688         * output.cc (Output_data_group::Output_data_group): Add flags and
4689         input_shndxes parameters.  Remove contents parameter.  Change
4690         caller.
4691         (Output_data_group::do_write): Change input_sections_ to
4692         input_shndxes_.
4693         * output.h (class Output_data_group): Update constructor
4694         declaration.  Rename input_sections_ to input_shndxes_.
4695         * testsuite/many_sections_test.cc: Add template.
4696
4697 2008-04-30  Cary Coutant  <ccoutant@google.com>
4698
4699         * target-reloc.h (relocate_section): Fix dead-pointer bug.
4700
4701         * layout.cc (Layout::include_section): Refactored check for debug
4702         info section.
4703         (Layout::add_comdat): Add new parameters.  Change type
4704         of signature parameter.  Add object and shndx to signatures table.
4705         (Layout::find_kept_object): New function.
4706         * layout.h: Include <cstring>.
4707         (Layout::is_debug_info_section): New function.
4708         (Layout::add_comdat): Add new parameters.
4709         (Layout::find_kept_object): New function.
4710         (Layout::Kept_section): New struct.
4711         (Layout::Signatures): Change type of map range.
4712         * object.cc (Relobj::output_section_address): New function.
4713         (Sized_relobj::include_section_group): Add new parameters.  Change
4714         calls to Layout::add_comdat.  Change to build table of kept comdat
4715         groups and table mapping discarded sections to kept sections.
4716         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
4717         (Sized_relobj::do_layout): Change calls to include_section_group and
4718         include_linkonce_section.
4719         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
4720         value to zero when section is discarded.
4721         (Sized_relobj::map_to_kept_section): New function.
4722         * object.h (Relobj::output_section_address): New function.
4723         (Relobj::Comdat_group): New type.
4724         (Relobj::find_comdat_group): New function.
4725         (Relobj::Comdat_group_table): New type.
4726         (Relobj::Kept_comdat_section): New type.
4727         (Relobj::Kept_comdat_section_table): New type.
4728         (Relobj::add_comdat_group): New function.
4729         (Relobj::set_kept_comdat_section): New function.
4730         (Relobj::get_kept_comdat_section): New function.
4731         (Relobj::comdat_groups_): New field.
4732         (Relobj::kept_comdat_sections_): New field.
4733         (Symbol_value::input_value): Update comment.
4734         (Sized_relobj::map_to_kept_section) New function.
4735         (Sized_relobj::include_linkonce_section): Add new parameter.
4736         * target-reloc.h (Comdat_behavior): New type.
4737         (get_comdat_behavior): New function.
4738         (relocate_section): Add code to map a discarded section to the
4739         corresponding kept section when applying a relocation.
4740
4741 2008-04-30  Craig Silverstein  <csilvers@google.com>
4742
4743         * dwarf_reader.cc (next_generation_count): New static var.
4744         (Addr2line_cache_entry): New struct.
4745         (addr2line_cache): New static var.
4746         (Dwarf_line_info::one_addr2line): Added caching.
4747         (Dwarf_line_info::clear_addr2line_cache): New function.
4748         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
4749         cache-size parameter.
4750         (Dwarf_line_info::one_addr2line_cache): New function.
4751         * symtab.cc (Symbol_table::detect_odr_violations): Pass
4752         new cache-size argument to one_addr2line(), and clear cache.
4753
4754 2008-04-28  Cary Coutant  <ccoutant@google.com>
4755
4756         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
4757         R_386_PC8 relocations.
4758
4759 2008-04-23  Ian Lance Taylor  <iant@google.com>
4760
4761         * object.cc (Sized_relobj::include_section_group): Check for
4762         invalid section group.
4763
4764         * object.cc (make_elf_object): Correct test for 64-bit ELF file
4765         header size.
4766
4767         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
4768         than read for file header.
4769         * archive.cc (Archive::include_member): Likewise.
4770
4771 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
4772
4773         * aclocal.m4: Regenerate.
4774         * configure: Regenerate.
4775
4776 2008-04-19  Ian Lance Taylor  <iant@google.com>
4777
4778         * version.cc (version_string): Bump to 1.6.
4779
4780         * testsuite/Makefile.am (many_sections_r_test): New target.
4781         (many_sections_r_test_SOURCES): Remove.
4782         (many_sections_r_test_DEPENDENCIES): Remove.
4783         (many_sections_r_test_LDFLAGS): Remove.
4784         (many_sections_r_test_LDADD): Remove.
4785
4786         * object.cc (Sized_relobj::do_add_symbols): Always pass
4787         local_symbol_count_ to add_from_relobj.
4788
4789         * testsuite/Makefile.am (many_sections_check.h): Only check one in
4790         every thousand variables.
4791         * testsuite/Makefile.in: Rebuild.
4792
4793         * object.cc (Xindex::initialize_symtab_xindex): New function.
4794         (Xindex::read_symtab_xindex): New function.
4795         (Xindex::sym_xindex_to_shndx): New function.
4796         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
4797         available.
4798         (Sized_relobj::do_initialize_xindex): New function.
4799         (Sized_relobj::do_read_symbols): Adjust section links.
4800         (Sized_relobj::symbol_section_and_value): Add is_ordinary
4801         parameter.  Change all callers.
4802         (Sized_relobj::include_section_group): Adjust section links and
4803         symbol section indexes.
4804         (Sized_relobj::do_layout): Adjust section links.
4805         (Sized_relobj::do_count_local_symbols): Adjust section links and
4806         symbol section indexes.
4807         (Sized_relobj::do_finalize_local_symbols): Distinguish between
4808         ordinary and special symbols.
4809         (Sized_relobj::write_local_symbols): Add symtab_xindex and
4810         dynsym_xindex parameters.  Change all callers.  Adjust section
4811         links.  Use SHN_XINDEX when needed.
4812         (Sized_relobj::get_symbol_location_info): Adjust section links.
4813         Don't get fooled by special symbols.
4814         * object.h (class Xindex): Define.
4815         (class Object): Add xindex_ parameter.  Declare virtual functoin
4816         do_initialize_xindex.
4817         (Object::adjust_sym_shndx): New function.
4818         (Object::set_xindex): New protected function.
4819         (class Symbol_value): Add is_ordinary_shndx_ field.
4820         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
4821         (Symbol_value::value): Assert ordinary section.
4822         (Symbol_value::initialize_input_to_output_map): Likewise.
4823         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
4824         Change all callers.
4825         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
4826         all callers.
4827         (class Sized_relobj): Update declarations.
4828         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
4829         parameter.  Change all callers.
4830         (Sized_relobj::adjust_shndx): New function.
4831         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
4832         field.
4833         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
4834         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
4835         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
4836         (Sized_dynobj::read_dynsym_section): Adjust section links.
4837         (Sized_dynobj::read_dynamic): Likewise.
4838         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
4839         section links.
4840         (Sized_dynobj::do_initialize_xindex): New function.
4841         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
4842         do_initialize_xindex.
4843         (Sized_dynobj::adjust_shndx): New function.
4844         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
4845         dynsym_xindex_ fields.
4846         (Layout::finalize): Add a call to set_section_indexes before
4847         creating the symtab sections.
4848         (Layout::set_section_indexes): Don't do anything if the section
4849         already has a section index.
4850         (Layout::create_symtab_sections): Add shnum parameter.  Change
4851         caller.  Create .symtab_shndx section if needed.
4852         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
4853         caller.
4854         (Layout::allocated_output_section_count): New function.
4855         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
4856         needed.
4857         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
4858         fields.  Update declarations.
4859         (Layout::symtab_xindex): New function.
4860         (Layout::dynsym_xindex): New function.
4861         (class Write_symbols_task): Add layout_ field.
4862         (Write_symbols_task::Write_symbols_task): Add layout parameter.
4863         Change caller.
4864         * output.cc (Output_section_headers::Output_section_headers): Add
4865         shstrtab_section parameter.  Change all callers.
4866         (Output_section_headers::do_sized_write): Store overflow values
4867         for section count and section string table section index in
4868         section header zero.
4869         (Output_file_header::do_sized_write): Check for overflow of
4870         section count and section string table section index.
4871         (Output_symtab_xindex::do_write): New function.
4872         (Output_symtab_xindex::endian_do_write): New function.
4873         * output.h (class Output_section_headers): Add shstrtab_section_.
4874         Update declarations.
4875         (class Output_symtab_xindex): Define.
4876         (Output_section::has_out_shndx): New function.
4877         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
4878         field.
4879         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
4880         Change all callers.
4881         (Sized_symbol::init): Likewise.
4882         (Symbol::output_section): Check for ordinary symbol.
4883         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
4884         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
4885         callers.
4886         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
4887         Change all callers.  Simplify handling of symbols from sections
4888         not included in the link.
4889         (Symbol_table::add_from_dynobj): Handle ordinary symbol
4890         distinction.
4891         (Weak_alias_sorter::operator()): Assert that symbols are
4892         ordinary.
4893         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
4894         distinction.
4895         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
4896         parameters.  Change all callers.
4897         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
4898         symbol distinction.  Use SHN_XINDEX when needed.
4899         (Symbol_table::write_section_symbol): Add symtab_xindex
4900         parameter.  Change all callers.
4901         (Symbol_table::sized_write_section_symbol): Likewise.  Use
4902         SHN_XINDEX when needed.
4903         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
4904         declarations.
4905         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
4906         (Symbol::is_defined): Check is_ordinary.
4907         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
4908         (Symbol::is_absolute, Symbol::is_common): Likewise.
4909         (class Sized_symbol): Update declarations.
4910         (class Symbol_table): Update declarations.
4911         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
4912         parameters.  Change all callers.
4913         (Sized_symbol::override): Likewise.
4914         (Symbol_table::override): Likewise.
4915         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
4916         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
4917         is_ordinary, and orig_st_shndx parameters.  Change all callers.
4918         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
4919         to be in an ordinary section.
4920         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
4921         object and is_ordinary parameters.  Change all callers.
4922         (Sized_dwarf_line_info::read_relocs): Add object parameter.
4923         Change all callers.  Don't add undefined or non-ordinary symbols
4924         to reloc_map_.
4925         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
4926         Change all callers.
4927         * dwarf_reader.h (class Sized_dwarf_line_info): Update
4928         declarations.
4929         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
4930         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
4931         (Sized_relobj::relocate_sections): Likewise.
4932         * target-reloc.h (scan_relocs): Adjust section symbol index.
4933         (scan_relocatable_relocs): Likewise.
4934         * i386.cc (Scan::local): Check for ordinary symbols.
4935         * sparc.cc (Scan::local): Likewise.
4936         * x86_64.cc (Scan::local): Likewise.
4937         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
4938         to symbol_section_and_value.
4939         * testsuite/many_sections_test.cc: New file.
4940         * testsuite/Makefile.am (BUILT_SOURCES): Define.
4941         (check_PROGRAMS): Add many_sections_test.
4942         (many_sections_test_SOURCES): Define.
4943         (many_sections_test_DEPENDENCIES): Define.
4944         (many_sections_test_LDFLAGS): Define.
4945         (BUILT_SOURCES): Add many_sections_define.h.
4946         (many_sections_define.h): New target.
4947         (BUILT_SOURCES): Add many_sections_check.h.
4948         (many_sections_check.h): New target.
4949         (check_PROGRAMS): Add many_sections_r_test.
4950         (many_sections_r_test_SOURCES): Define.
4951         (many_sections_r_test_DEPENDENCIES): Define.
4952         (many_sections_r_test_LDFLAGS): Define.
4953         (many_sections_r_test_LDADD): Define.
4954         (many_sections_r_test.o): New target.
4955         * testsuite/Makefile.in: Rebuild.
4956
4957 2008-04-17  Cary Coutant  <ccoutant@google.com>
4958
4959         * errors.cc (Errors::info): New function.
4960         (gold_info): New function.
4961         * errors.h (Errors::info): New function.
4962         * gold.h (gold_info): New function.
4963         * object.cc (Input_objects::add_object): Print trace output.
4964         * options.cc (options::parse_set): New function.
4965         (General_options::parse_wrap): Deleted.
4966         (General_options::General_options): Deleted initializer.
4967         * options.h (options::String_set): New typedef.
4968         (options::parse_set): New function.
4969         (DEFINE_set): New macro.
4970         (General_options::wrap): Changed to use DEFINE_set. Changed
4971         callers of any_wrap_symbols and is_wrap_symbol.
4972         (General_options::trace, General_options::trace_symbol):
4973         New options.
4974         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
4975         (General_options::wrap_symbols_): Deleted.
4976         * symtab.cc (Symbol_table::add_from_object): Print trace output.
4977
4978 2008-04-17  David S. Miller  <davem@davemloft.net>
4979
4980         * options.cc (General_options::parse_V): New function.
4981         * options.h: Add entries for -V and -Qy.
4982
4983 2008-04-17  Ian Lance Taylor  <iant@google.com>
4984
4985         * common.cc (Symbol_table::allocate_commons): Remove options
4986         parameter.  Change caller.
4987         (Symbol_table::do_allocate_commons): Remove options parameter.
4988         Change caller.  Just call do_allocate_commons_list twice.
4989         (Symbol_table::do_allocate_commons_list): New function, broken out
4990         of do_allocate_commons.
4991         * common.h (class Allocate_commons_task): Remove options_ field.
4992         Update constructor.
4993         * symtab.cc (Symbol_table::Symbol_table): Initialize
4994         tls_commons_.
4995         (Symbol_table::add_from_object): Put TLS common symbols on
4996         tls_commons_ list.
4997         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
4998         which are IN_OUTPUT_DATA.
4999         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
5000         allocate_commons and do_allocate_commons declarations.  Declare
5001         do_allocate_commons_list.
5002         * gold.cc (queue_middle_tasks): Update creation of
5003         Allocate_commons_task to not pass options.
5004         * testsuite/Makefile.am (INCLUDES): Add -I.. .
5005         (TLS_TEST_C_FLAGS): New variable.
5006         (tls_test_c_pic.o): New target.
5007         (tls_test_shared.so): Link in tls_test_c_pic.o.
5008         (tls_test_c_pic_ie.o): New target.
5009         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
5010         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
5011         (tls_test_c.o): New target.
5012         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
5013         (tls_pic_test_LDADD): Likewise.
5014         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
5015         (tls_shared_gd_to_ie_test_LDADD): Likewise.
5016         (tls_test_c_gnu2.o): New target.
5017         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
5018         tls_test_c_gnu2.o.
5019         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
5020         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
5021         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
5022         * testsuite/tls_test.cc: Include "config.h".
5023         (t_last): Call t11_last.
5024         * testsuite/tls_test.h (t11, t11_last): Declare.
5025         * testsuite/tls_test_c.c: New file.
5026         * testsuite/tls_test_main.cc (thread_routine): Call t11.
5027         * configure.ac: Check for OpenMP support.
5028         * configure, config.in, Makefile.in: Rebuild.
5029         * testsuite/Makefile.in: Rebuild.
5030
5031 2008-04-16  Cary Coutant  <ccoutant@google.com>
5032
5033         * i386.cc (Target_i386::define_tls_base_symbol): New function.
5034         (Target_i386::tls_base_symbol_defined_): New field.
5035         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
5036         (Target_i386::Scan::global): Likewise.
5037         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
5038         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
5039         (Target_x86_64::tls_base_symbol_defined_): New field.
5040         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
5041         (Target_x86_64::Scan::global): Likewise.
5042
5043 2008-04-16  Cary Coutant  <ccoutant@google.com>
5044
5045         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
5046         (Symbol::needs_plt_entry): Allow weak undefined symbols.
5047         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
5048         building shared libraries.
5049         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
5050         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
5051         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
5052         * testsuite/Makefile.in: Rebuild.
5053         * testsuite/weak_undef.h: New file.
5054         * testsuite/weak_undef_file1.cc: Add extra test cases.
5055         * testsuite/weak_undef_file2.cc: Likewise.
5056         * testsuite/weak_undef_test.cc: Likewise.
5057
5058 2008-04-16  David S. Miller  <davem@davemloft.net>
5059
5060         * sparc.cc (Target_sparc::Scan): Change from struct to class.
5061         Add issued_non_pic_error_ field.  Declare check_non_pic.
5062         (Target_sparc::Scan::check_non_pic): New function.
5063         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
5064         (Target_sparc::Scan::global): Likewise.
5065
5066         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
5067         * configure: Rebuild.
5068
5069         * options.h (DEFINE_enable): New macro.
5070         (new_dtags): New enable option.
5071         (initfirst, interpose, loadfltr, nodefaultlib,
5072         nodelete, nodlopen, nodump): New -z options.
5073         * layout.cc (Layout:finish_dynamic_section): If new
5074         dtags enabled, emit DT_RUNPATH.  Also, emit a
5075         DT_FLAGS_1 containing any specified -z flags.
5076
5077 2008-04-16  Ian Lance Taylor  <iant@google.com>
5078
5079         * copy-relocs.cc: New file.
5080         * copy-relocs.h: New file.
5081         * reloc.cc: Remove Copy_relocs code.
5082         * reloc.h: Likewise.
5083         * reloc-types.h (struct Reloc_types) [both versions]: Add
5084         get_reloc_addend_noerror.
5085         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
5086         variants of add_global which take an addend which must be zero.
5087         * i386.cc: Include "copy-relocs.h".
5088         (class Target_i386): Change type of copy_relocs_ to variable,
5089         update initializer.
5090         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
5091         Change all callers.
5092         (Target_i386::do_finalize_sections): Change handling of
5093         copy_relocs_.
5094         * sparc.cc: Include "copy-relocs.h".
5095         (class Target_sparc): Change type of copy_relocs_ to variable,
5096         update initializer.
5097         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
5098         Change all callers.
5099         (Target_sparc::do_finalize_sections): Change handling of
5100         copy_relocs_.
5101         * x86_64.cc: Include "copy-relocs.h".
5102         (class Target_x86_64): Change type of copy_relocs_ to variable,
5103         update initializer.
5104         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
5105         class.  Change all callers.
5106         (Target_x86_64::do_finalize_sections): Change handling of
5107         copy_relocs_.
5108         * Makefile.am (CCFILES): Add copy-relocs.cc.
5109         (HFILES): Add copy-relocs.h.
5110
5111         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
5112
5113         * testsuite/script_test_4.sh: Permit leading zeroes.
5114
5115 2008-04-15  Ian Lance Taylor  <iant@google.com>
5116
5117         * script-sections.cc (Script_sections::create_segments): Use
5118         header_size_adjustment even when there is enough room for the
5119         headers.
5120         * testsuite/script_test_4.sh: New file.
5121         * testsuite/script_test_4.t: New file.
5122         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
5123         (check_DATA): Add script_test_4.stdout.
5124         (MOSTLYCLEANFILES): Likewise.
5125         (script_test_4): New target.
5126         (script_test_4.stdout): New target.
5127         * testsuite/Makefile.in: Rebuild.
5128
5129         * sparc.cc: Add definitions for Output_data_plt_sparc class
5130         constants.
5131
5132 2008-04-14  David S. Miller  <davem@davemloft.net>
5133
5134         * sparc.cc: New file.
5135         * Makefile.am (TARGETSOURCES): Add sparc.cc
5136         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
5137         * configure.tgt: Document targ_extra_size and
5138         targ_extra_big_endian.  Add entries for sparc-* and
5139         sparc64-*.
5140         * configure.ac: Handle targ_extra_size and
5141         targ_extra_big_endian.
5142         * Makefile.in: Rebuild.
5143         * configure: Likewise.
5144         * po/POTFILES.in: Likewise.
5145         * po/gold.pot: Likewise.
5146
5147 2008-04-14  Ian Lance Taylor  <iant@google.com>
5148
5149         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
5150         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
5151         in the name/type/flags to section mapping.  Don't call
5152         allocate_output_section.
5153         (Layout::choose_output_section): Change parameter from adjust_name
5154         to is_input_section.  Don't permit input sections after sections
5155         are attached to segments.  Don't call allocate_output_section.
5156         (Layout::layout_eh_frame): Call update_flags_for_input_section,
5157         not write_enable_output_section.
5158         (Layout::make_output_section): Don't push to
5159         unattached_section_list_ nor call attach_to_segment.  Call
5160         attach_section_to_segment if sections are attached.
5161         (Layout::attach_sections_to_segments): New function.
5162         (Layout::attach_section_to_segment): New function.
5163         (Layout::attach_allocated_section_to_segment): Rename from
5164         attach_to_segment.  Remove flags parameter.
5165         (Layout::allocate_output_section): Remove function.
5166         (Layout::write_enable_output_section): Remove function.
5167         * layout.h (class Layout): Update for above changes.  Add new
5168         field sections_are_attached_.
5169         * output.h (Output_section::update_flags_for_input_section): New
5170         function.
5171         * output.cc (Output_section::add_input_section): Call
5172         update_flags_for_input_section.
5173         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
5174
5175 2008-04-11  Cary Coutant  <ccoutant@google.com>
5176
5177         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
5178         thought unnecessary.
5179         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
5180
5181 2008-04-11  Ian Lance Taylor  <iant@google.com>
5182
5183         * output.h (class Output_section_data): Remove inline definition
5184         of set_addralign.
5185         * output.cc (Output_section_data::set_addralign): New function.
5186
5187 2008-04-11  Cary Coutant  <ccoutant@google.com>
5188
5189         Add support for TLS descriptors for i386 and x86_64.
5190         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
5191         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
5192         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
5193         GOT_TYPE_TLS_DESC.
5194         (Target_i386::got_mod_index_entry): Remove unnecessary code.
5195         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
5196         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
5197         relocations.
5198         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
5199         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
5200         Fix problem with initial-exec relocations.
5201         (Target_i386::Relocate::relocate_tls): Likewise.
5202         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
5203         relaxation.
5204         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
5205         support for section-plus-offset dynamic table entries.
5206         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
5207         (Output_data_dynamic::Dynamic_entry): Add support for
5208         section-plus-offset dynamic table entries.
5209         (Output_data_dynamic::Classification): Likewise.
5210         (Output_data_dynamic::classification_): Renamed offset_.
5211         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
5212         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
5213         (Target_x86_64::make_plt_section): New function.
5214         (Target_x86_64::reserve_tlsdesc_entries): New function.
5215         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
5216         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
5217         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
5218         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
5219         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
5220         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
5221         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
5222         add extra PLT entry for TLS descriptors.
5223         (Output_data_plt_x86_64::got_): New field.
5224         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
5225         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
5226         fields.
5227         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
5228         descriptors.
5229         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
5230         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
5231         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
5232         R_386_TLS_DESC_CALL relocations.
5233         (Target_x86_64::Scan::global): Likewise.
5234         (Target_x86_64::do_finalize_sections): Add dynamic table entries
5235         for TLS descriptors.
5236         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
5237         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
5238         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
5239         GD-to-IE relaxation.
5240         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
5241         and TLS_DESCRIPTORS.
5242         * Makefile.in: Rebuild.
5243         * configure: Rebuild.
5244         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
5245         (tls_test_shared2.so): New target.
5246         (tls_shared_gd_to_ie_test_SOURCES): New variable.
5247         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
5248         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
5249         (tls_shared_gd_to_ie_test_LDADD): New variable.
5250         (tls_shared_gnu2_gd_to_ie_test): New target.
5251         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
5252         New targets.
5253         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
5254         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
5255         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
5256         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
5257         (tls_shared_gnu2_test): New target.
5258         (tls_test_gnu2_shared.so): New target.
5259         (tls_shared_gnu2_test_SOURCES): New variable.
5260         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
5261         (tls_shared_gnu2_test_LDFLAGS): New variable.
5262         (tls_shared_gnu2_test_LDADD): New variable.
5263         * testsuite/Makefile.in: Rebuild.
5264         * testsuite/Makefile.
5265
5266 2008-04-11  Ian Lance Taylor  <iant@google.com>
5267
5268         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
5269         justsyms.t.
5270         * testsuite/Makefile.in: Rebuild.
5271
5272         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
5273         long.
5274         * testsuite/script_test_2.cc (main): Adjust test.
5275
5276 2008-04-11  David S. Miller  <davem@davemloft.net>
5277             Ian Lance Taylor  <iant@google.com>
5278
5279         * options.h (General_options): Add entries for '-Y' and
5280         '-relax'.
5281         * options.cc (General_options:finalize): If -Y was used, add those
5282         entries to the library path instead of the default "/lib" and
5283         "/usr/lib".
5284
5285 2008-04-11  David S. Miller  <davem@davemloft.net>
5286
5287         * testsuite/justsyms.t: Start at 0x100.
5288         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
5289         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
5290         long.
5291         * testsuite/script_test_2.cc: Adjust string and section length
5292         checks.
5293
5294 2008-04-09  Ian Lance Taylor  <iant@google.com>
5295
5296         PR gold/5996
5297         * script-sections.cc (Sections_element::allocate_to_segment): Add
5298         orphan parameter.
5299         (Output_section_definition::allocate_to_segment): Likewise.
5300         (Orphan_output_section::allocate_to_segment): Likewise.
5301         (Script_sections::attach_sections_using_phdrs_clause): Don't
5302         propagate non-PT_LOAD segments to orphan sections.
5303         * testsuite/Makefile.am (script_test_3.stdout): Generate using
5304         readelf rather than objdump.
5305         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
5306         .interp section and PT_INTERP segment are the same size.
5307         * testsuite/Makefile.in: Rebuild.
5308
5309         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
5310         aliases for symbols defined in the same object.
5311         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
5312         (weak_alias_test_SOURCES): New variable.
5313         (weak_alias_test_DEPENDENCIES): New variable.
5314         (weak_alias_test_LDFLAGS): New variable.
5315         (weak_alias_test_LDADD): New variable.
5316         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
5317         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
5318         (weak_alias_test_3.o): New target.
5319         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
5320         * testsuite/weak_alias_test_main.cc: New file.
5321         * testsuite/weak_alias_test_1.cc: New file.
5322         * testsuite/weak_alias_test_2.cc: New file.
5323         * testsuite/weak_alias_test_3.cc: New file.
5324
5325 2008-04-08  Ian Lance Taylor  <iant@google.com>
5326
5327         * options.h (class General_options): Add --noinhibit-exec option.
5328         * main.cc (main): Check --noinhibit-exec.
5329
5330         * options.h (class General_options): Define --wrap as a special
5331         option.  Add wrap_symbols_ field.
5332         (General_options::any_wrap_symbols): New function.
5333         (General_options::is_wrap_symbol): New function.
5334         * options.cc (General_options::parse_wrap): New function.
5335         (General_options::General_options): Initialize wrap_symbols_.
5336         * symtab.cc (Symbol_table::wrap_symbol): New function.
5337         (Symbol_table::add_from_object): Handle --wrap.
5338         * symtab.h (class Symbol_table): Declare wrap_symbol.
5339         * target.h (Target::wrap_char): New function.
5340         (Target::Target_info): Add wrap_char field.
5341         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
5342         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
5343         * testsuite/testfile.cc (Target_test::test_target_info):
5344         Likewise.
5345
5346         * errors.cc (Errors::undefined_symbol): Mention symbol version if
5347         there is one.
5348
5349         * layout.h (class Layout): Add added_eh_frame_data_ field.
5350         * layout.cc (Layout::Layout): Initialize new field.
5351         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
5352         output section until we find a section we merged successfully.
5353         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
5354         that the size be non-zero.
5355
5356         * merge.cc (Object_merge_map::get_output_offset): Remove inline
5357         qualifier.
5358
5359 2008-04-08  Craig Silverstein  <csilvers@google.com>
5360
5361         * configure.ac: Export new conditional variable HAVE_ZLIB.
5362         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
5363         on HAVE_ZLIB.
5364         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
5365         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
5366
5367 2008-04-07  Ian Lance Taylor  <iant@google.com>
5368
5369         * version.cc (version_string): Set to "1.5".
5370
5371         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
5372         Add issued_non_pic_error_ field.  Declare check_non_pic.
5373         (Target_x86_64::Scan::check_non_pic): New function.
5374         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
5375         (Target_x86_64::Scan::global): Likewise.
5376
5377         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
5378         addend parameter.  Change caller.  Handle merge sections.
5379         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
5380         Address to Addend.  Don't add in the result of
5381         local_section_offset, pass down the addend and use the returned
5382         value.
5383         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
5384         Update declarations of local_section_offset and symbol_value.
5385         * testsuite/two_file_test_1.cc (t18): New function.
5386         * testsuite/two_file_test_2.cc (f18): New function.
5387         * testsuite/two_file_test_main.cc (main): Call t18.
5388         * testsuite/two_file_test.h (t18, f18): Declare.
5389
5390         * configure.ac: Don't test for objdump, c++filt, or readelf.
5391         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
5392         conditionals.
5393         (TEST_READELF): New variable.
5394         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
5395         (check_PROGRAMS): Add two_file_strip_test.
5396         (two_file_strip_test): New target.
5397         (check_PROGRAMS): Add two_file_same_shared_strip_test.
5398         (two_file_same_shared_strip_test_SOURCES): New variable.
5399         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
5400         (two_file_same_shared_strip_test_LDFLAGS): New variable.
5401         (two_file_same_shared_strip_test_LDADD): New variable.
5402         (two_file_shared_strip.so): New target.
5403         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
5404         (ver_test_5.syms, ver_test_7.syms): Likewise.
5405         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
5406         (strip_test_3.stdout): Use TEST_OBJDUMP.
5407         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
5408
5409 2008-04-04  Cary Coutant  <ccoutant@google.com>
5410
5411         * symtab.h (Symbol::is_weak_undefined): New function.
5412         (Symbol::is_strong_undefined): New function.
5413         (Symbol::is_absolute): New function.
5414         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
5415         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
5416         absolute symbols.
5417         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
5418         (weak_undef_test): New target.
5419         * testsuite/Makefile.in: Rebuild.
5420         * testsuite/weak_undef_file1.cc: New file.
5421         * testsuite/weak_undef_file2.cc: New file.
5422         * testsuite/weak_undef_test.cc: New file.
5423
5424 2008-04-03  Craig Silverstein  <csilvers@google.com>
5425
5426         * compressed_output.h (class Output_compressed_section): Use
5427         unsigned buffer.
5428         * compressed_output.cc (zlib_compress): Use unsigned buffers,
5429         add zlib header.
5430         (zlib_compressed_suffix): Removed.
5431         (Output_compressed_section::set_final_data_size): Use unsigned
5432         buffers.
5433         * testsuite/Makefile.am (flagstest_compress_debug_sections):
5434         Fix linker invocation.
5435         (flagstest_o_specialfile_and_compress_debug_sections):
5436         Likewise.
5437         * testsuite/Makefile.in: Regenerated.
5438
5439 2008-04-02  David S. Miller  <davem@davemloft.net>
5440
5441         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
5442         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
5443
5444 2008-04-02  Craig Silverstein  <csilvers@google.com>
5445
5446         * TODO: New file.
5447
5448 2008-04-02  Ian Lance Taylor  <iant@google.com>
5449
5450         * fileread.cc (File_read::find_view): Add byteshift and vshifted
5451         parameters.  Update for new key type to views_.  Change all
5452         callers.
5453         (File_read::read): Adjust for byteshift in returned view.
5454         (File_read::add_view): New function, broken out of
5455         find_and_make_view.
5456         (File_read::make_view): New function, broken out of
5457         find_and_make_view.
5458         (File_read::find_or_make_view): Add offset and aligned
5459         parameters.  Rewrite accordingly.  Change all callers.
5460         (File_read::get_view): Add offset and aligned parameters.  Adjust
5461         for byteshift in return value.
5462         (File_read::get_lasting_view): Likewise.
5463         * fileread.h (class File_read): Update declarations.
5464         (class File_read::View): Add byteshift_ field.  Add byteshift to
5465         constructor.  Add byteshift method.
5466         * archive.h (Archive::clear_uncached_views): New function.
5467         (Archive::get_view): Add aligned parameter.  Change all callers.
5468         * object.h (Object::get_view): Add aligned parameter.  Change all
5469         callers.
5470         (Object::get_lasting_view): Likewise.
5471
5472         * fileread.cc (File_read::release): Don't call clear_views if
5473         there are multiple objects.
5474         * fileread.h (File_read::clear_uncached_views): New function.
5475         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
5476         on the archive.
5477
5478 2008-03-31  Cary Coutant  <ccoutant@google.com>
5479
5480         Add thin archive support.
5481         * archive.cc (Archive::armagt): New const.
5482         (Archive::setup): Remove task parameter and calls to unlock.
5483         (Archive::unlock_nested_archives): New function.
5484         (Archive::read_header): Add nested_off parameter. Change
5485         all callers.
5486         (Archive::interpret_header): Likewise.
5487         (Archive::include_all_members): Change to handle thin
5488         archives.
5489         (Archive::include_member): Likewise.
5490         * archive.h (Archive::Archive): Add new parameters and
5491         initializers.
5492         (Archive::armagt): New const.
5493         (Archive::setup): Remove task parameter.
5494         (Archive::unlock_nested_archives): New function.
5495         (Archive::read_header): Add nested_off parameter.
5496         (Archive::interpret_header): Likewise.
5497         (Archive::Nested_archive_table): New typedef.
5498         (Archive::is_thin_archive_): New field.
5499         (Archive::nested_archives_): New field.
5500         (Archive::options_): New field.
5501         (Archive::dirpath_): New field.
5502         (Archive::task_): New field.
5503         * readsyms.cc (Read_symbols::do_read_symbols): Add check
5504         for thin archives.  Pass additional parameters to
5505         Archive::Archive.  Unlock the archive file after calling
5506         Archive::setup.
5507
5508 2008-03-29  Ian Lance Taylor  <iant@google.com>
5509
5510         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
5511         version symbol to be local.
5512         * testsuite/ver_test_4.sh: New file.
5513         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
5514         (check_DATA): Add ver_test_4.syms.
5515         (ver_test_4.syms): New target.
5516         * testsuite/Makefile.in: Rebuild.
5517
5518         * output.cc
5519         (Output_section::Input_section_sort_entry::has_priority): New
5520         function.
5521         (Output_section::Input_section_sort_entry::match_file_name): New
5522         function.
5523         (Output_section::Input_section_sort_entry::match_section_name):
5524         Remove.
5525         (Output_section::Input_section_sort_entry::match_section_name_prefix):
5526         Remove.
5527         (Output_section::Input_section_sort_entry::match_section_file):
5528         Remove.
5529         (Output_section::Input_section_sort_compare::operator()): Rewrite
5530         using new Input_section_sort_entry functions.  Sort crtbegin and
5531         crtend first.  Sort sections with no priority before sections with
5532         a priority.
5533         * testsuite/initpri1.c (d3): Check j != 4.
5534         (cd5): New constructor/destructor function.
5535         (main): Check j != 2.
5536
5537         * symtab.cc (Symbol_table::add_from_object): If we don't use the
5538         new symbol when resolving, don't call set_is_default.
5539         * testsuite/ver_test_7.cc: New file.
5540         * testsuite/ver_test_7.sh: New file.
5541         * testsuite/Makefile.am (ver_test_7.so): New target.
5542         (ver_test_7.o): New target.
5543         (check_SCRIPTS): Add ver_test_7.sh.
5544         (check_DATA): Add ver_test_7.syms.
5545         (ver_test_7.syms): New target.
5546
5547 2008-03-28  Ian Lance Taylor  <iant@google.com>
5548
5549         * layout.cc (Layout::layout): If we see an input section with a
5550         name that needs sorting, set the must_sort flag for the output
5551         section.
5552         (Layout::make_output_section): If the name of the output section
5553         indicates that it might require sorting, set the may_sort flag.
5554         * output.h (Output_section::may_sort_attached_input_sections): New
5555         function.
5556         (Output_section::set_may_sort_attached_input_sections): New
5557         function.
5558         (Output_section::must_sort_attached_input_sections): New
5559         function.
5560         (Output_section::set_must_sort_attached_input_sections): New
5561         function.
5562         (class Output_section): Declare Input_section_sort_entry.  Define
5563         Input_section_sort_compare.  Declare
5564         sort_attached_input_sections.  Add new fields:
5565         may_sort_attached_input_sections_,
5566         must_sort_attached_input_sections_,
5567         attached_input_sections_are_sorted_.
5568         * output.cc (Output_section::Output_section): Initialize new
5569         fields.
5570         (Output_section::add_input_section): Add an entry to
5571         input_sections_ if may_sort or must_sort are true.
5572         (Output_section::set_final_data_size): Call
5573         sort_attached_input_sections if necessary.
5574         (Output_section::Input_section_sort_entry): Define new class.
5575         (Output_section::Input_section_sort_compare::operator()): New
5576         function.
5577         (Output_section::sort_attached_input_sections): New function.
5578         * configure.ac: Check whether the compiler supports constructor
5579         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
5580         * testsuite/initpri1.c: New file.
5581         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
5582         CONSTRUCTOR_PRIORITY.
5583         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
5584         (initpri1_LDFLAGS): New variable.
5585         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
5586
5587 2008-03-27  Ian Lance Taylor  <iant@google.com>
5588
5589         * common.cc (Sort_commons::operator): Correct sorting algorithm.
5590         * testsuite/common_test_1.c: New file.
5591         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
5592         (common_test_1_SOURCES): New variable.
5593         (common_test_1_DEPENDENCIES): New variable.
5594         (common_test_1_LDFLAGS): New variable.
5595
5596         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
5597         and commons_ correctly when NAME/VERSION does not override
5598         NAME/NULL.
5599         * testsuite/ver_test_6.c: New file.
5600         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
5601         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
5602         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
5603
5604 2008-03-26  Ian Lance Taylor  <iant@google.com>
5605
5606         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
5607         of an undefined symbol from a version script.
5608         * testsuite/Makefile.am (ver_test_5.so): New target.
5609         (ver_test_5.o): New target.
5610         (check_SCRIPTS): Add ver_test_5.sh.
5611         (check_DATA): Add ver_test_5.syms.
5612         (ver_test_5.syms): New target.
5613         * testsuite/ver_test_5.cc: New file.
5614         * testsuite/ver_test_5.script: New file.
5615         * testsuite/ver_test_5.sh: New file.
5616         * Makefile.in, testsuite/Makefile.in: Rebuild.
5617
5618         PR gold/5986
5619         Fix problems building gold with gcc 4.3.0.
5620         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
5621         (gold_error_at_location, gold_warning_at_location): Use it.
5622         * configure.ac: Check whether we can compile and use a template
5623         function with a printf attribute.
5624         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
5625         when jumping over bytes.
5626         * object.cc: Instantiate Object::read_section_data.
5627         * debug.h: Include <cstring>
5628         * dwarf_reader.cc: Include <algorithm>
5629         * main.cc: Include <cstring>.
5630         * options.cc: Include <cstring>.
5631         * output.cc: Include <cstring>.
5632         * script.cc: Include <cstring>.
5633         * script.h: Include <string>.
5634         * symtab.cc: Include <cstring> and <algorithm>.
5635         * target-select.cc: Include <cstring>.
5636         * version.cc: Include <string>.
5637         * testsuite/testmain.cc: Include <cstdlib>.
5638         * configure, config.in: Rebuild.
5639
5640 2008-03-25  Ian Lance Taylor  <iant@google.com>
5641
5642         * options.cc: Include "../bfd/bfdver.h".
5643         (options::help): Print bug reporting address.
5644
5645         * version.cc (print_version): Adjust output for current value of
5646         BFD_VERSION_STRING.
5647
5648         * NEWS: New file.
5649
5650         * options.cc (options::help): Print list of supported targets.
5651         * target-select.h: Include <vector>.
5652         (class Target_selector): Make machine_, size_, and is_big_endian_
5653         fields const.  Add bfd_name_ and instantiated_target_ fields.
5654         (Target_selector::Target_selector): Add bfd_name parameter.
5655         (Target_selector::recognize): Make non-virtual, call
5656         do_recognize.
5657         (Target_selector::recognize_by_name): Make non-virtual, call
5658         do_recognize_by_name.
5659         (Target_selector::supported_names): New function.
5660         (Target_selector::bfd_name): New function.
5661         (Target_selector::do_instantiate_target): New pure virtual
5662         function.
5663         (Target_selector::do_recognize): New virtual function.
5664         (Target_selector::do_recognize_by_name): New virtual function.
5665         (Target_selector::instantiate_target): New private function.
5666         (supported_target_names): Declare.
5667         * target-select.cc (Target_selector::Target_selector): Update for
5668         new parameter and fields.
5669         (select_target_by_name): Check that the name matches before
5670         calling recognize_by_name.
5671         (supported_target_names): New function.
5672         * i386.cc (class Target_selector_i386): Update Target_selector
5673         constructor call.  Remove recognize and recognize_by_name.  Add
5674         do_instantiate_target.
5675         * x86_64.cc (class Target_selector_x86_64): Likewise.
5676         * testsuite/testfile.cc (class Target_selector_test): Update for
5677         changes to Target_selector.
5678
5679         * README: Rewrite, with some notes on unsupported features.
5680
5681 2008-03-24  Cary Coutant  <ccoutant@google.com>
5682
5683         * i386.cc (Target_i386::Got_type): New enum declaration.
5684         (Target_i386::Scan::local): Updated callers of Output_data_got
5685         member functions.
5686         (Target_i386::Scan::global): Likewise.
5687         (Target_i386::Relocate::relocate): Likewise.
5688         (Target_i386::Relocate::relocate_tls): Likewise.
5689         * object.h (Got_offset_list): New class.
5690         (Sized_relobj::local_has_got_offset): Added got_type parameter.
5691         (Sized_relobj::local_got_offset): Likewise.
5692         (Sized_relobj::set_local_got_offset): Likewise.
5693         (Sized_relobj::local_has_tls_got_offset): Removed.
5694         (Sized_relobj::local_tls_got_offset): Removed.
5695         (Sized_relobj::set_local_tls_got_offset): Removed.
5696         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
5697         * output.cc (Output_data_got::add_global): Added got_type parameter.
5698         (Output_data_got::add_global_with_rel): Likewise.
5699         (Output_data_got::add_global_with_rela): Likewise.
5700         (Output_data_got::add_global_pair_with_rel): New function.
5701         (Output_data_got::add_global_pair_with_rela): New function.
5702         (Output_data_got::add_local): Added got_type parameter.
5703         (Output_data_got::add_local_with_rel): Likewise.
5704         (Output_data_got::add_local_with_rela): Likewise.
5705         (Output_data_got::add_local_pair_with_rel): New function.
5706         (Output_data_got::add_local_pair_with_rela): New function.
5707         (Output_data_got::add_global_tls): Removed.
5708         (Output_data_got::add_global_tls_with_rel): Removed.
5709         (Output_data_got::add_global_tls_with_rela): Removed.
5710         (Output_data_got::add_local_tls): Removed.
5711         (Output_data_got::add_local_tls_with_rel): Removed.
5712         (Output_data_got::add_local_tls_with_rela): Removed.
5713         * output.h (Output_data_got::add_global): Added got_type parameter.
5714         (Output_data_got::add_global_with_rel): Likewise.
5715         (Output_data_got::add_global_with_rela): Likewise.
5716         (Output_data_got::add_global_pair_with_rel): New function.
5717         (Output_data_got::add_global_pair_with_rela): New function.
5718         (Output_data_got::add_local): Added got_type parameter.
5719         (Output_data_got::add_local_with_rel): Likewise.
5720         (Output_data_got::add_local_with_rela): Likewise.
5721         (Output_data_got::add_local_pair_with_rel): New function.
5722         (Output_data_got::add_local_pair_with_rela): New function.
5723         (Output_data_got::add_global_tls): Removed.
5724         (Output_data_got::add_global_tls_with_rel): Removed.
5725         (Output_data_got::add_global_tls_with_rela): Removed.
5726         (Output_data_got::add_local_tls): Removed.
5727         (Output_data_got::add_local_tls_with_rel): Removed.
5728         (Output_data_got::add_local_tls_with_rela): Removed.
5729         * resolve.cc (Symbol::override_base_with_special): Removed
5730         reference to has_got_offset_ field.
5731         * symtab.cc (Symbol::init_fields): Replaced initialization
5732         of got_offset_ with got_offsets_.  Removed initialization
5733         of has_got_offset_
5734         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
5735         (Symbol::got_offset): Likewise.
5736         (Symbol::set_got_offset): Likewise.
5737         (Symbol::has_tls_got_offset): Removed.
5738         (Symbol::tls_got_offset): Removed.
5739         (Symbol::set_tls_got_offset): Removed.
5740         (Symbol::got_offset_): Removed.
5741         (Symbol::tls_mod_got_offset_): Removed.
5742         (Symbol::tls_pair_got_offset_): Removed.
5743         (Symbol::got_offsets_): New field.
5744         (Symbol::has_got_offset): Removed.
5745         (Symbol::has_tls_mod_got_offset): Removed.
5746         (Symbol::has_tls_pair_got_offset): Removed.
5747         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
5748         (Target_x86_64::Scan::local): Updated callers of Output_data_got
5749         member functions.
5750         (Target_x86_64::Scan::global): Likewise.
5751         (Target_x86_64::Relocate::relocate): Likewise.
5752         (Target_x86_64::Relocate::relocate_tls): Likewise.
5753
5754 2008-03-25  Ben Elliston  <bje@au.ibm.com>
5755
5756         * yyscript.y: Fix spelling error in comment.
5757
5758 2008-03-24  Ian Lance Taylor  <iant@google.com>
5759
5760         * options.h (class General_options): Define build_id option.
5761         * layout.h (class Layout): Declare write_build_id, create_note,
5762         create_build_id.  Add build_id_note_ member.
5763         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
5764         "libiberty.h", "md5.h", "sha1.h".
5765         (Layout::Layout): Initialize eh_frame_data_,
5766         eh_frame_hdr_section_, and build_id_note_.
5767         (Layout::finalize): Call create_build_id.
5768         (Layout::create_note): New function, broken out of
5769         Layout::create_gold_note.
5770         (Layout::create_gold_note): Call create_note.
5771         (Layout::create_build_id): New function.
5772         (Layout::write_build_id): New function.
5773         (Close_task_runner::run): Call write_build_id.
5774
5775         * x86_64.cc: Correct license to GPLv3.
5776
5777 2008-03-23  Ian Lance Taylor  <iant@google.com>
5778
5779         * options.cc: Include "demangle.h".
5780         (parse_optional_string): New function.
5781         (parse_long_option): Handle takes_optional_argument.
5782         (parse_short_option): Update dash_z initializer.  Handle
5783         takes_optional_argument.
5784         (General_options::General_options): Initialize do_demangle_.
5785         (General_options::finalize): Set do_demangle_.  Handle demangling
5786         style.
5787         * options.h (parse_optional_string): Declare.
5788         (struct One_option): Add optional_arg field.  Update constructor.
5789         Update call constructor calls.  Add takes_optional_argument
5790         function.
5791         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
5792         (DEFINE_optional_string): Define.
5793         (General_options::demangle): Change from DEFINE_bool to
5794         DEFINE_optional_string.
5795         (General_options::no_demangle): New function.
5796         (General_options::do_demangle): New function.
5797         (General_options::set_do_demangle): New function.
5798         (General_options::execstack_status_): Move definition to end of
5799         class definition.
5800         (General_options::static_): Likewise.
5801         (General_options::do_demangle_): New field.
5802         * object.cc (big_endian>::get_symbol_location_info): Call
5803         Options::do_demangle, not Options::demangle.
5804         * symtab.cc (demangle): Likewise.
5805
5806 2008-03-22  Ian Lance Taylor  <iant@google.com>
5807
5808         * gold.h: Include <cstddef> and <sys/types.h>
5809         * options.h: Include <cstring>.
5810
5811 2008-03-21  Ian Lance Taylor  <iant@google.com>
5812
5813         * Added source code to GNU binutils.