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