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