* symtab.cc (Symbol_table::add_from_object): Rename def parameter
[external/binutils.git] / gold / ChangeLog
1 2010-01-05  Ian Lance Taylor  <iant@google.com>
2
3         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
4         to is_default_version.  Rename insdef to insdefault.
5         (Symbol_table::add_from_relobj): Rename def to is_default_version
6         and local to is_forced_local.
7         (Symbol_table::add_from_pluginobj): Likewise.
8         (Symbol_table::add_from_dynobj): Likewise.
9         (Symbol_table::define_special_symbol): Rename insdef to
10         insdefault.
11
12 2010-01-04  Ian Lance Taylor  <iant@google.com>
13
14         PR 10980
15         * options.h (class General_options): Add
16         --allow-multiple-definition and -z muldefs.
17         * resolve.cc (Symbol_table::should_override): Don't warn about a
18         multiple symbol definition if --allow-multiple-definition or -z
19         muldefs.
20
21         PR 10980
22         * options.h (class General_options): Add --add-needed and
23         --copy-dt-needed-entries.  Tweak --as-needed help entry.
24         * object.cc (Input_objects::check_dynamic_dependencies): Give an
25         error if --copy-dt-needed-entries aka --add-needed is used and
26         would cause a change in behaviour.
27
28         PR 10980
29         * options.h (class General_options): Add -G as a short version of
30         --shared.  Add no-op options -assert, -g, and -i.
31
32 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
33
34         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
35         check for .text or .gnu.linkonce.t sections.
36         * icf.cc (Icf::find_identical_sections): Ditto.
37         Change the detection for mangled function name within the section
38         name.
39         * icf.h (is_section_foldable_candidate): New function.
40
41 2009-12-30  Ian Lance Taylor  <iant@google.com>
42
43         PR 10980
44         * options.h (class General_options): Permit two dashes with
45         --retain-symbols-file.
46
47 2009-12-30  Ian Lance Taylor  <iant@google.com>
48
49         PR 10979
50         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
51         don't put the file header and segment headers in the text
52         segment.
53
54         PR 10979
55         * common.cc (Sort_commons::operator()): Stabilize sort when both
56         entries are NULL.
57         (Symbol_table::do_allocate_commons_list): When allocating common
58         symbols, skip a symbol which is no longer common.
59         * symtab.h (Symbol::is_common): Test whether the symbol comes from
60         an object before checking its type.
61         * testsuite/common_test_2.c: New file.
62         * testsuite/common_test_3.c: New file.
63         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
64         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
65         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
66         (common_test_2_pic.o, common_test_2.so): New targets.
67         (common_test_3_pic.o, common_test_3.so): New targets.
68         * testsuite/Makefile.in: Rebuild.
69
70         PR 10979
71         * script.cc (read_input_script): If we see a new SECTIONS clause,
72         and we have added an input section, give an error.
73         * layout.h (class Layout): Add have_added_input_section function.
74         Add have_added_input_section_ field.
75         * layout.cc (Layout::Layout): Initialize
76         have_added_input_section_.
77         (Layout::layout): Set have_added_input_section_.
78         (Layout::layout_eh_frame): Likewise.
79
80 2009-12-30  Ian Lance Taylor  <iant@google.com>
81
82         PR 10931
83         * options.h (class General_options): Add --sort-common option.
84         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
85         * common.cc (Sort_common): Add sort_order parameter to
86         constructor.  Add sort_order_ field.
87         (Sort_commons::operator): Check sort_order_.
88         (Symbol_table::allocate_commons): Determine the sort order.
89         (Symbol_table::do_allocate_commons): Add sort_order parameter.
90         Change all callers.
91         (Symbol_table::do_allocate_commons_list): Likewise.
92
93 2009-12-30  Ian Lance Taylor  <iant@google.com>
94
95         PR 10916
96         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
97         symbols from this object, don't change the visibility of an
98         undefined symbol.
99         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
100
101 2009-12-30  Ian Lance Taylor  <iant@google.com>
102
103         PR 10861
104         * script.h (class Version_script_info): Define Language enum.
105         Update declarations.  Define Glob, Exact, and Lookup types.  Add
106         new fields globals_, locals_, and is_finalized_.
107         * script.cc: Various formatting fixes.
108         (class Parser_closure): Change language_stack_ from a vector of
109         std::string to one of Version_script_info::Language.  Adjust all
110         uses accordingly.
111         (class Lazy_demangler): Remove.
112         (struct Version_expression): Change language from std::string to
113         Version_script_info::Language.
114         (Version_script_info::Version_script_info): New function.
115         (Version_script_info::~Version_script_info): Don't call clear.
116         (Version_script_info::finalize): New function.
117         (Version_script_info::build_lookup_tables): New function.
118         (Version_script_info::build_expression_list_lookup): New
119         function.
120         (Version_script_info::get_symbol_version_helper): Rewrite to use
121         lookup tables.
122         (Version_script_info::print_expression_list): Adjust to use
123         Version_script_info::Language.
124         (script_push_lex_into_version_mode): Check that the version script
125         has not been finalized.
126         (version_script_push_lang): Change language string to
127         Version_script_info::Language.
128         * options.cc (Command_line::version_script): New function.
129         * options.h (class General_options): Add finalize_dynamic_list
130         function.  Change version_script from declaration to definition.
131         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
132         * testsuite/version_script.map: Remove duplicate def of foo.
133         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
134         version_script.map.
135         * testsuite/Makefile.in: Rebuild.
136
137 2009-12-30  Ian Lance Taylor  <iant@google.com>
138
139         PR 10843
140         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
141         if the input symbol index is 0, make the output symbol index 0.
142
143 2009-12-30  Ian Lance Taylor  <iant@google.com>
144
145         PR 10670
146         * options.h (class General_options): Add -x/--discard-all.
147         * object.cc (Sized_relobj::do_count_local_symbols): Handle
148         --discard-all.  If the local symbol needs a dynamic entry, check
149         that before handling --discard-locals.
150
151 2009-12-30  Ian Lance Taylor  <iant@google.com>
152
153         PR 10450
154         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
155         flags to PF_R.
156         (Output_segment::add_output_section): Don't change the flags if
157         the type is PT_TLS.
158
159         PR 10450
160         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
161         GNU hash table if they need a dynamic value.  Otherwise, don't add
162         them if they are defined in a dynamic object or are forced local.
163
164 2009-12-29  Ian Lance Taylor  <iant@google.com>
165
166         PR 10450
167         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
168         .gnu.hash table for a 32-bit target.
169
170         PR 10450
171         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
172         regular and a dynamic object only needs a dynamic symbol table
173         entry if it is externally visible.
174
175         PR 10450
176         * i386.cc (class Target_i386): Initialize global_offset_table_ in
177         constructor.  Add global_offset_table_ field.
178         (Target_i386::got_section): Set global_offset_table_.
179         (Target_i386::do_finalize_sections): Set global_offset_table_
180         size.
181         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
182         in constructor.  Add global_offset_table_ field.
183         (Target_x86_64::got_section): Set global_offset_table_.
184         (Target_x86_64::do_finalize_sections): Set global_offset_table_
185         size.
186
187         * layout.cc (Layout::Layout): Initialize increase_relro_.
188         (Layout::get_output_section): Add is_relro, is_last_relro, and
189         is_first_non_relro parameters.  Change all callers.
190         (Layout::choose_output_section): Likewise.
191         (Layout::add_output_section_data): Likewise.
192         (Layout::make_output_section): Likewise.
193         (Layout::set_segment_offsets): Clear increase_relro when using a
194         linker script.
195         * layout.h (class Layout): Add increase_relro method.  Add
196         increase_relro_ field.  Update declarations.
197         * output.cc (Output_section::Output_section): Initialize
198         is_last_relro_ and is_first_non_relro_.
199         (Output_segment::add_output_section): Group relro sections is
200         do_sort is true.  Handle is_last_relro and is_first_non_relro.
201         (Output_segment::maximum_alignment): Remove relro handling.
202         (Output_segment::set_section_addresses): Add increase_relro
203         parameter.  Change all callers.  Add initial alignment to align
204         relro sections on separate page.  Remove old relro handling.
205         (Output_segment::set_section_list_addresses): Remove in_relro
206         parameter.  Change all callers.
207         (Output_segment::set_offset): Add increase parameter.  Change all
208         callers.  Remove old relro handling.
209         * output.h (class Output_section): Add new methods: is_last_relro,
210         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
211         Add is_last_relro_ and is_first_non_relro_ fields.
212         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
213         Create separate .got.plt section.  Call increase_relro.
214         * x86_64.cc (Target_x86_64::got_section): Likewise.
215         * testsuite/relro_script_test.t: Add .got.plt.
216
217         PR 10450
218         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
219         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
220         (Layout::finalize): Call set_dynamic_symbol_size.
221         (Layout::set_dynamic_symbol_size): New function.
222         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
223         set_dynamic_symbol_size.
224
225         PR 10450
226         * output.h (class Output_section): Add is_entsize_zero_ field.
227         * output.cc (Output_section::Output_section): Initialize
228         is_entsize_zero_.
229         (Output_section::set_entsize): If two different entsizes are
230         requested, force it to zero.
231         (Output_section::add_input_section): Set flags for .debug_str
232         before updating section flags.  Set entsize.
233         (Output_section::update_flags_for_input_section): Set SHF_MERGE
234         and SHF_STRING if all input sections have those flags.
235
236 2009-12-29   Rafael Espindola  <espindola@google.com>
237
238         * main.cc (main): Fix the sys time reporting.
239         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
240         reporting.
241
242 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
243
244         * options.cc (General_options::parse_version): Allow -v to exit
245         without an error if there is nothing to link.
246
247 2009-12-29  Ian Lance Taylor  <iant@google.com>
248
249         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
250         using a version of gcc before 4.1.
251         * configure: Rebuild.
252
253 2009-12-28  Chris Demetriou  <cgd@google.com>
254
255         * attributes.cc (Output_attributes_section_data::do_write): Use
256         std::vector::front rather than std::vector::data.
257
258 2009-12-28  Ian Lance Taylor  <iant@google.com>
259
260         * symtab.h (class Symbol_table): Add enum Defined.
261         * resolve.cc (Symbol_table::should_override): Add defined
262         parameter.  Change all callers.  Test whether object is NULL
263         before calling a method on it.
264         (Symbol_table::report_resolve_problem): Add defined parameter.
265         Change all callers.
266         (Symbol_table::should_override_with_special): Likewise.
267         * symtab.cc (Symbol_table::define_in_output_data): Add defined
268         parameter.  Change all callers.
269         (Symbol_table::do_define_in_output_data): Likewise.
270         (Symbol_table::define_in_output_segment): Likewise.
271         (Symbol_table::do_define_in_output_segment): Likewise.
272         (Symbol_table::define_as_constant): Likewise.
273         (Symbol_table::do_define_as_constant): Likewise.
274         * script.h (class Symbol_assignment): Add is_defsym parameter to
275         constructor; change all callers.
276         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
277         parameter.  Change all callers.  Add is_defsym_ field.
278         (class Parser_closure): Add parsing_defsym parameter to
279         constructor; change all callers.  Add parsing_defsym accessor
280         function.  Add parsing_defsym_ field.
281
282 2009-12-28  Ian Lance Taylor  <iant@google.com>
283
284         * gold.cc (queue_middle_tasks): Fix formatting.
285         * object.cc (Relobj::is_section_name_included): Likewise.
286
287 2009-12-23  Ian Lance Taylor  <iant@google.com>
288
289         * i386.cc (Target_i386::do_calls_non_split): Recognize
290         -fsplit-stack prologue for a function with a static chain.
291         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
292         -fsplit-stack prologue when using %r11.
293
294 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
295
296         * options.cc (General_options::parse_version): Make -v continue and do
297         the link like GNU ld does.
298
299 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
300
301         * Makefile.am (CCFILES): Add timer.cc.
302         (HFILES): Add timer.h.
303         * configure.ac: Check for sysconf and times.
304         * main.cc: include timer.h.
305         (main): Use Timer instead of get_run_time.
306         * timer.cc: New.
307         * timer.h: New.
308         * workqueue.cc: include timer.h.
309         (Workqueue::find_and_run_task):
310         Report user, sys and wall time.
311         * Makefile.in: Regenerate.
312         * config.in: Regenerate.
313         * configure: Regenerate.
314
315 2009-12-16  Doug Kwan  <dougkwan@google.com>
316
317         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
318         sections.
319         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
320         relaxed input sections.
321         * output.cc (Output_section::find_relaxed_input_section): Change
322         return type to Output_relaxed_input_section pointer.  Adjust code
323         for new type of relaxed_input_section_map_.
324         * output.h (Output_section::find_relaxed_input_section): Change
325         return type to Output_relaxed_input_section pointer.
326         (Output_section::Output_relaxed_input_section_by_input_section_map):
327         New type.
328         (Output_section::relaxed_input_section_map_): Change type to
329         Output_section::Output_relaxed_input_section_by_input_section_map.
330         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
331         input section.
332
333 2009-12-15  Ian Lance Taylor  <iant@google.com>
334
335         * layout.cc (Layout::create_shstrtab): Only write out after input
336         sections if we are compressing debug sections.
337
338 2009-12-15  Ian Lance Taylor  <iant@google.com>
339
340         * archive.cc (Archive::add_symbols): Only look up a symbol without
341         a version if there is, in fact, a version.
342
343 2009-12-14  Ian Lance Taylor  <iant@google.com>
344
345         Revert -Wshadow changes, all changes from:
346         2009-12-11  Doug Kwan  <dougkwan@google.com>
347         2009-12-11  Nick Clifton  <nickc@redhat.com>
348         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
349
350 2009-12-11  Doug Kwan  <dougkwan@google.com>
351
352         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
353         due to -Wshadow.
354         * attributes.cc (Object_attribute::size): Ditto.
355         (Attributes_section_data::size): Ditto.
356         (Attributes_section_data::Attributes_section_data): Ditto.
357         (Output_attributes_section_data::do_write): Ditto.
358         * attributes.h (Object_attribute::set_type): Ditto.
359         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
360
361 2009-12-11  Nick Clifton  <nickc@redhat.com>
362
363         * archive.cc: Fix shadowed variable warnings.
364         * arm.cc: Likewise.
365         * compressed_output.cc: Likewise.
366         * compressed_output.h: Likewise.
367         * configure: Likewise.
368         * dwarf_reader.cc: Likewise.
369         * dynobj.cc: Likewise.
370         * dynobj.h: Likewise.
371         * ehframe.cc: Likewise.
372         * ehframe.h: Likewise.
373         * errors.cc: Likewise.
374         * expression.cc: Likewise.
375         * fileread.cc: Likewise.
376         * fileread.h: Likewise.
377         * freebsd.h: Likewise.
378         * i386.cc: Likewise.
379         * icf.cc: Likewise.
380         * incremental.h: Likewise.
381         * layout.cc: Likewise.
382         * layout.h: Likewise.
383         * mapfile.cc: Likewise.
384         * merge.cc: Likewise.
385         * merge.h: Likewise.
386         * object.cc: Likewise.
387         * object.h: Likewise.
388         * options.h: Likewise.
389         * output.cc: Likewise.
390         * output.h: Likewise.
391         * parameters.cc: Likewise.
392         * plugin.cc: Likewise.
393         * powerpc.cc: Likewise.
394         * reduced_debug_output.cc: Likewise.
395         * reduced_debug_output.h: Likewise.
396         * reloc.cc: Likewise.
397         * reloc.h: Likewise.
398         * resolve.cc: Likewise.
399         * script-sections.cc: Likewise.
400         * script.cc: Likewise.
401         * script.h: Likewise.
402         * sparc.cc: Likewise.
403         * symtab.cc: Likewise.
404         * symtab.h: Likewise.
405         * target-select.cc: Likewise.
406         * target-select.h: Likewise.
407         * token.h: Likewise.
408         * workqueue.cc: Likewise.
409         * workqueue.h: Likewise.
410         * x86_64.cc: Likewise.
411
412 2009-12-10  Doug Kwan  <dougkwan@google.com>
413
414         * arm.cc (attributes.h): New include.
415         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
416         (Arm_relobj::~Arm_relobj): Delete object pointed by
417         attributes_section_data_.
418         (Arm_relobj::attributes_section_data): New method definition.
419         (Arm_relobj::attributes_section_data_): New data member declaration.
420         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
421         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
422         attributes_section_data_.
423         (Arm_dynobj::attributes_section_data): New method definition.
424         (Arm_dynobj::attributes_section_data_): New data member declaration.
425         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
426         initialization value of may_use_blx_ to false.
427         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
428         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
429         object attributes to compute results instead of hard-coding.
430         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
431         Target_arm::get_secondary_compatible_arch,
432         Target_arm::set_secondary_compatible_arch
433         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
434         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
435         New method declarations.
436         (Target_arm::get_aeabi_object_attribute): New method definition.
437         (Target_arm::attributes_section_data_): New data member declaration.
438         (read_arm_attributes_section): New template definition.
439         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
440         (Arm_dynobj::do_read_symbols): Ditto.
441         (Target_arm::do_finalize_sections): Merge attributes sections from
442         input.  Check for BLX use after attributes section merging.
443         Fix __exidx_start and __exidx_end visibility.  Create an
444         .ARM.attributes section if necessary.
445         (Target_arm::get_secondary_compatible_arch,
446         Target_arm::set_secondary_compatible_arch,
447         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
448         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
449         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order): 
450         New method definitions.
451
452 2009-12-09  Ian Lance Taylor  <iant@google.com>
453
454         * plugin.cc (Plugin::load): Don't cast from void* to a function
455         pointer.
456
457 2009-12-09  Ian Lance Taylor  <iant@google.com>
458
459         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
460         information fields.
461
462 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
463
464         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
465         Replace two_file_shared_1.so with two_file_shared_2.so.
466         * testsuite/Makefile.in: Regenerated.
467
468 2009-12-08  Doug Kwan  <dougkwan@google.com>
469
470         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
471         (HFILES): Add attributes.h and int_encoding.h.
472         * Makefile.in: Regenerate.
473         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
474         function definitions to int_encoding.cc
475         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
476         prototypes to int_encoding.h
477         * reduced_debug_output.cc (int_encoding.h): New include.
478         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
479         function definitions to int_encoding.cc
480         (insert_into_vector, read_from_pointer): Move template definitions to
481         int_encoding.h
482         * attributes.cc: New file.
483         * attributes.h: New file.
484         * int_encoding.cc: New file.
485         * int_encoding.h: New file.
486
487 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
488
489         PR gold/11055
490         * incremental-dump.cc (dump_incremental_inputs): New.
491         (main): Use dump_incremental_inputs.
492
493 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
494
495         PR gold/10893
496         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
497         checking elfcpp::STT_FUNC.
498         (Target_i386::Relocate::relocate): Likewise.
499         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
500
501         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
502         symbols from shared libraries into normal FUNC symbols.
503
504         * symtab.h (Symbol): Add is_func and use it.
505
506 2009-12-05  Doug Kwan  <dougkwan@google.com>
507
508         * arm.cc (Target_arm::arm_info): Initialize new fields
509         attributes_section and attributes_vendor.
510         * i386.cc (Target_i386::i386_info): Same.
511         * object.cc (Sized_relobj::do_layout): Skip attribute section.
512         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
513         fields attributes_section and attributes_vendor.
514         * sparc.cc (Target_sparc::sparc_info): Same.
515         * target.h (Target::attributes_section, Target::attributes_vendor,
516         Target::is_attributes_section, Target::attribute_arg_type,
517         Target::attributes_order): New method definitions.
518         (Target::Target_info::attributes_section,
519         Target::Target_info::attributes_vendor): New fields.
520         (Target::do_attribute_arg_type, Target::do_attributes_order): New
521         virtual method definitions.
522         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
523         attributes_section and attributes_vendor.
524         * testsuite/testfile.cc (Target_test::test_target_info): Same.
525
526 2009-12-05  Doug Kwan  <dougkwan@google.com>
527
528         * arm.cc: Update comments about interworking and stub generation.
529         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
530         considered as non-PIC.
531         (Arm_relocate_functions::base_abs): Fix formatting.
532         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
533         of function to use GOT entry address instead of offset.
534         (Target_arm::Scan::global): Issue an error if a symbol would need a
535         PLT does not get one because it is untyped.  Remove code to create
536         dynamic symbols for relative branches.
537         (Target_arm::Relocate::relocate: Use 0 instead of false since function
538         takes unsigned integer instead of boolean.
539
540 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
541
542         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
543         (two_file_test_LDADD): Likewise.
544         (common_test_1_LDADD): Likewise.
545         (exception_test_LDADD) Likewise.
546         (weak_test_LDADD): Likewise.
547         (many_sections_test_LDADD): Likewise.
548         (initpri1_LDADD): Likewise.
549         (script_test_1_LDADD): Likewise.
550         (script_test_2_LDADD): Likewise.
551         (justsyms_LDADD): Likewise.
552         (binary_test_LDADD): Likewise.
553         (large_LDADD): Likewise.
554         * testsuite/Makefile.in: Regenerated.
555
556 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
557
558         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
559         (Symbol_table::override_with_special): Likewise.
560         (Symbol_table::add_from_object): Likewise.
561
562 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
563
564         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
565         Don't set the data_offset twice.
566
567 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
568
569         * testsuite/Makefile.in: Regenerate.
570
571 2009-12-03  Doug Kwan  <dougkwan@google.com>
572
573         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
574         (Target_arm::do_finalize_sections): Add parameter for symbol table
575         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
576         * i386.cc (Target_i386::do_finalize_sections): Add an additional
577         parameter for symbol table pointer.
578         * layout.cc (Layout::finalize): Call Target::finalize_sections with
579         an additional parameter for a pointer to symbol table.
580         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
581         parameter for a symbol table pointer.
582         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
583         * target.h (Target::finalize_sections, Target::do_finalize_sections):
584         Ditto.
585         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
586         parameter for a symbol table pointer.
587
588 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
589
590         * incremental.cc (Incremental_inputs_header)
591         (Incremental_inputs_header_write, Incremental_inputs_entry)
592         (Incremental_inputs_entry_write): Move ...
593         * incremental.h (Incremental_inputs_header)
594         (Incremental_inputs_header_write, Incremental_inputs_entry)
595         (Incremental_inputs_entry_write): here.
596
597 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
598
599         * incremental.cc (make_sized_incremental_binary): Set the target.
600         Error if it is incompatible.
601         * output.h (Output_file): Add filename method.
602
603 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
604
605         * incremental.cc (Incremental_inputs_entry): Remove unused argument
606         from the get_* methods.
607
608 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
609
610         * incremental-dump.cc (main): Check that the offeset of a script is 0.
611         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
612         Write 0 for the data_offset of scripts.
613
614 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
615
616         * testsuite/Makefile.am: Add the incremental_test.sh test.
617         * testsuite/incremental_test.sh: New.
618         * testsuite/incremental_test_1.c: New.
619         * testsuite/incremental_test_2.c: New.
620
621 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
622
623        * incremental-dump.cc (main): Fix typos.
624
625 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
626
627         PR gold/11025
628         * incremental-dump.cc (main): Use llu to print 64 bit values.
629
630 2009-11-26  Per Ã˜yvind Karlsen <peroyvind@mandriva.org>
631             H.J. Lu  <hongjiu.lu@intel.com>
632
633         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
634         $(LIBDL).
635         (incremental_dump_LDADD): Likewise.
636         * Makefile.in: Regenerated.
637
638 2009-11-25  Doug Kwan  <dougkwan@google.com>
639         
640         Revert:
641
642         2009-11-25  Doug Kwan  <dougkwan@google.com>
643
644                 * arm.cc (Target_arm::Target_arm): Move method definition
645                 outside of class definition.  Add code to handle
646                 --target1-rel, --target1-abs and --target2= options.
647                 (Target_arm::get_reloc_reloc_type): Change method to be
648                 non-static and const.
649                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
650                 New data member declaration.
651                 (Target_arm::Scan::local, Target_arm::Scan::global,
652                 Target_arm::Relocate::relocate,
653                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
654                 Adjust call to Target_arm::get_real_reloc_type.
655                 (Target_arm::get_real_reloc_type): Use command line options
656                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
657                 * options.h (--target1-rel, --target1-abs, --target2): New
658                 ARM-only options.
659
660 2009-11-25  Doug Kwan  <dougkwan@google.com>
661
662         * arm.cc (Target_arm::Target_arm): Move method definition outside of
663         class definition.  Add code to handle --target1-rel, --target1-abs
664         and --target2= options.
665         (Target_arm::get_reloc_reloc_type): Change method to be non-static
666         and const.
667         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
668         member declaration.
669         (Target_arm::Scan::local, Target_arm::Scan::global,
670         Target_arm::Relocate::relocate,
671         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
672         call to Target_arm::get_real_reloc_type.
673         (Target_arm::get_real_reloc_type): Use command line options to
674         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
675         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
676         options.
677
678 2009-11-25  Doug Kwan  <dougkwan@google.com>
679
680         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
681         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
682         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
683         formatting.
684         (Arm_relocate_functions::thm_call): Replace body with a call to
685         Arm_relocate_functions::thumb_branch_common.
686         (Arm_relocate_functions::thm_jump24,
687         Arm_relocate_functions::thm_xpc22): New method definitions.
688         (Arm_relocate_functions::thumb_branch_common): New method definition.
689         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
690         operator.
691         (Target_arm::Relocate::relocate): Adjust call to thm_call.
692         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
693
694 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
695
696         * Makefile.am: Build incremental-dump
697         * Makefile.in: Regenerate.
698         * incremental-dump.cc: New.
699         * incremental.cc (Incremental_inputs_header_data,
700         Incremental_inputs_entry_data): Move to incremental.h
701         * incremental.h: (Incremental_inputs_header_data,
702         Incremental_inputs_entry_data): Move from incremental.cc
703
704 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
705
706         * incremental.cc (Incremental_inputs_header,
707         Incremental_inputs_header_write, Incremental_inputs_entry,
708         Incremental_inputs_entry_write): Add a typedef with the data type.
709
710 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
711
712         * incremental.cc (Incremental_inputs_header,
713         Incremental_inputs_header_write, Incremental_inputs_entry,
714         Incremental_inputs_entry_write): Update comment about which
715         type has the filed descriptions.
716
717 2009-11-15  Doug Kwan  <dougkwan@google.com>
718
719         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
720         (Arm_relocate_functions::arm_branch_common): Change method defintion
721         in class definition to a method declaration and update list of formal
722         parameters.
723         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
724         Arm_relocation_functions::jump24): Adjust call to
725         Arm_relocate_functions::arm_branch_common.  Update list of formal
726         parameters.
727         (Arm_relocate_functions::xpc25): New method definition.
728         (Arm_relocate_functions::arm_branch_common): Move method defintion
729         out from class definition.  Use stubs for mode-switching and extending
730         branch ranges.
731         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
732         specially.  Change code to enable use of stubs in ARM branches.
733
734 2009-11-10  Doug Kwan  <dougkwan@google.com>
735
736         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
737         in method declaration.
738         (Target_arm::relocate_stub): New method declaration.
739         (Target_arm::default_target): Change to return a pointer instead of
740         a const reference.
741         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
742         Target_arm::default_target.
743         (Arm_Relobj::do_relocate_sections): Remove options paramater in
744         method definition.
745         (Target_arm::relocate_section): Adjust view.
746         (Target_arm::relocate_stub): New method definition.
747
748 2009-11-10  Doug Kwan  <dougkwan@google.com>
749
750         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
751         a format warning.
752         * incremental.cc (open_incremental_binary): Initialized local
753         variables to avoid warnings.
754         * object.cc (make_elf_object): Ditto.
755         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
756         a format warning.
757  
758 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
759
760         PR gold/10930
761         * testsuite/plugin_test.c: Include "config.h".
762
763 2009-11-09  Doug Kwan  <dougkwan@google.com>
764
765         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
766         (arm_symbol_value): Remove.
767         (Arm_relocate_functions::arm_branch_common,
768         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
769         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
770         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
771         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
772         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
773         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
774         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
775         Arm_relocate_functions::thm_mobw_abs_nc,
776         Arm_relocate_functions::thm_mov_abs,
777         Arm_relocate_functions::movw_prel_nc,
778         Arm_relocate_functions::thm_movt_abs,
779         Arm_relocate_functions::movt_prel,
780         Arm_relocate_functions::thm_movw_prel_nc,
781         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
782         (Target_arm::Relocate::relocate): Only decompose address into two
783         parts if relocation type uses the thumb-bit and pass the actual
784         bit instead of a flag indicating that the thumb-bit is used.  Adjust
785         calls to methods in Arm_relocate_functions for this change.
786
787 2009-11-08  Ian Lance Taylor  <iant@google.com>
788
789         PR 10925
790         * reloc.cc: Instantiate
791         Sized_relobj::initialize_input_to_output_maps and
792         Sized_relobj:free_input_to_output_maps.
793
794 2009-11-06  Ian Lance Taylor  <iant@google.com>
795
796         PR 10876
797         * defstd.cc (in_segment): Set only_if_ref true for "end".
798
799 2009-11-06  Doug Kwan  <dougkwan@google.com>
800
801         * arm.cc (class Reloc_stub): Correct a comment.
802         (Target_arm::Target_arm): Initialize arm_input_section_map_.
803         (Target_arm::scan_section_for_stubs): New method declaration.
804         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
805         Change methods from private to protected.
806         (Target_arm::do_may_relax): New method definition.
807         (Target_arm::do_relax, Target_arm::group_sections,
808         Target_arm::scan_reloc_for_stub,
809         Target_arm::scan_reloc_section_for_stubs): New method declarations.
810         (Target_arm::arm_input_section_map_): New data member declaration.
811         (Target_arm::scan_reloc_for_stub,
812         Target_arm::scan_reloc_section_for_stubs,
813         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
814         Target_arm::do_relax): New method definitions.
815
816 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
817
818         * configure.ac: Check for (struct stat)::st_mtim
819         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
820         * config.in: Regenerate.
821         * configure: Regenerate.
822
823 2009-11-05  Ian Lance Taylor  <iant@google.com>
824
825         PR 10910
826         * output.cc (Output_segment::add_output_section): Add missing
827         return statement.
828
829 2009-11-04  Ian Lance Taylor  <iant@google.com>
830
831         PR 10880
832         * object.h (class Object): Add is_needed and set_is_needed
833         methods.  Add is_needed_ field.  Make bool fields into bitfields.
834         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
835         defined in a dynamic object and referenced by a regular object,
836         set is_needed for the dynamic object.
837         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
838         if the file is marked with as_needed and it is not needed.
839
840 2009-11-04  Ian Lance Taylor  <iant@google.com>
841
842         PR 10887
843         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
844         tags if data is discarded by linker script.
845         * i386.cc (Target_i386::do_finalize_sections): Likewise.
846         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
847         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
848         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
849
850 2009-11-04  Ian Lance Taylor  <iant@google.com>
851
852         * layout.cc (Layout::get_output_section): Add is_interp and
853         is_dynamic_linker_section parameters.  Change all callers.
854         (Layout::choose_output_section): Likewise.
855         (Layout::make_output_section): Likewise.
856         (Layout::add_output_section_data): Add is_dynamic_linker_section
857         parameter.  Change all callers.
858         * layout.h (class Layout): Update declarations.
859         * output.h (class Output_section): Add is_interp, set_is_interp,
860         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
861         Add is_interp_, is_dynamic_linker_section_ fields.  Change
862         generate_code_fills_at_write_ to a bitfield.
863         * output.cc (Output_section::Output_sections): Initialize new
864         fields.
865         (Output_segment::add_output_section): Add do_sort parameter.
866         Change all callers.
867
868 2009-11-03  Ian Lance Taylor  <iant@google.com>
869
870         PR 10860
871         * options.h (class General_options): Add --warn-common.
872         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
873         merging two common symbols.
874         (Symbol_table::should_override): Handle --warn-common when merging
875         a common symbol with a defined symbol.  Use report_resolve_problem
876         for multiple definitions.
877         (Symbol_table::report_resolve_problem): New function.
878         * symtab.h (class Symbol_table): Declare report_resolve_problem.
879
880 2009-11-03  Doug Kwan  <dougkwan@google.com>
881
882         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
883         stub_factory_.
884         (Target_arm::stub_factory): New method definition.
885         (Target_arm::new_arm_input_section,
886         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
887         Target_arm::reloc_uses_thumb_bit): New method declarations.
888         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map): 
889         New type definitions.
890         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
891         member declarations.
892         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
893         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
894         New method definitions.
895
896 2009-11-03  Ian Lance Taylor  <iant@google.com>
897
898         * options.h (class General_options): Add --warn_constructors.
899
900 2009-11-03  Ian Lance Taylor  <iant@google.com>
901
902         PR 10893
903         * defstd.cc (in_section): Add entries for __rel_iplt_start,
904         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
905
906 2009-11-03  Ian Lance Taylor  <iant@google.com>
907
908         PR 10895
909         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
910         --msgid-bugs-address.
911         (install-pdf): New target.
912         (install-data_yes): Look up one directory to find mkinstalldirs.
913
914 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
915
916         * po/Make-in (.po.gmo): Don't generate .gmo files in source
917         tree.
918
919 2009-10-30  Doug Kwan  <dougkwan@google.com>
920
921         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
922
923 2009-10-30  Doug Kwan  <dougkwan@google.com>
924
925         * arm.cc (Stub_addend_reader): New struct template definition
926         and partial specializations.
927         (Stub_addend_reader::operator()): New method definition for a
928         partially specialized template.
929
930 2009-10-30  Doug Kwan  <dougkwan@google.com>
931
932         * arm.cc (Arm_relobj::processor_specific_flags): New method
933         definition.
934         (Arm_relobj::do_read_symbols): New method declaration.
935         (Arm_relobj::processor_specific_flags_): New data member declaration.
936         (Arm_dynobj): New class definition.
937         (Target_arm::do_finalize_sections): Add input_objects parameter.
938         (Target_arm::do_adjust_elf_header): New method declaration.
939         (Target_arm::are_eabi_versions_compatible,
940         (Target_arm::merge_processor_specific_flags): New method declaration.
941         (Target_arm::do_make_elf_object): New overloaded method definitions
942         and declaration.
943         (Arm_relobj::do_read_symbols): New method definition.
944         (Arm_dynobj::do_read_symbols): Ditto.
945         (Target_arm::do_finalize_sections): Add input_objects parameters.
946         Merge processor-specific flags from all input objects.
947         (Target_arm::are_eabi_versions_compatible,
948         Target_arm::merge_processor_specific_flags,
949         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
950         New method definitions.
951         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
952         Input_objects pointer type parameter.
953         * layout.cc (Layout::finalize): Pass input objects to target's.
954         finalize_sections function.
955         * output.cc (Output_file_header::do_sized_write): Set ELF file
956         header's processor-specific flags.
957         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
958         Input_objects pointer type parameter.
959         * sparc.cc (Target_sparc::do_finalize_sections): Same.
960         * target.h (Input_objects): New forward class declaration.
961         (Target::processor_specific_flags,
962         Target::are_processor_specific_flags_sect): New method definitions.
963         (Target::finalize_sections): Add input_objects parameter.
964         (Target::Target): Initialize processor_specific_flags_ and
965         are_processor_specific_flags_set_.
966         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
967         parameter.
968         (Target::set_processor_specific_flags): New method definition.
969         (Target::processor_specific_flags_,
970         Target::are_processor_specific_flags_set_): New data member
971         declarations.
972         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
973         Input_objects pointer type parameter.
974
975 2009-10-30  Doug Kwan  <dougkwan@google.com>
976
977         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
978
979 2009-10-28  Ian Lance Taylor  <iant@google.com>
980
981         * object.h (class Relobj): Drop options parameter from
982         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
983         do_scan_relocs, do_relocate.  Change all callers.
984         (class Sized_relobj): Drop options parameters from
985         do_gc_process_relocs, do_scan_relocs, do_relocate,
986         do_relocate_sections, relocate_sections, emit_relocs_scan,
987         emit_relocs_scan_reltype.  Change all callers.
988         (struct Relocate_info): Remove options field and all references to
989         it.
990         * reloc.h (class Read_relocs): Remove options constructor
991         parameter and options_ field.  Change all callers.
992         (class Gc_process_relocs, class Scan_relocs): Likewise.
993         (class Relocate_task): Likewise.
994         * target-reloc.h (scan_relocs): Remove options parameter.  Change
995         all callers.
996         (scan_relocatable_relocs): Likewise.
997         * target.h (class Sized_target): Remove options parameter from
998         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
999         all callers.
1000         * gc.h (gc_process_relocs): Remove options parameter.  Change all
1001         callers.
1002         * arm.cc: Update functions to remove options parameters.
1003         * i386.cc: Likewise.
1004         * powerpc.cc: Likewise.
1005         * sparc.cc: Likewise.
1006         * x86_64.cc: Likewise.
1007         * testsuite/testfile.cc: Likewise.
1008
1009 2009-10-28  Doug Kwan  <dougkwan@google.com>
1010
1011         * arm.cc (Arm_relobj): New class definition.
1012         (Arm_relobj::scan_sections_for_stubs, 
1013         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
1014         New method definitions.
1015
1016 2009-10-28  Cary Coutant  <ccoutant@google.com>
1017
1018         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
1019         (Plugin::cleanup_done_): New member.
1020         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
1021         (Plugin_manager::cleanup_done_): Remove.
1022         (Plugin_manager::add_input_file): Edit error message.
1023         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
1024         (Plugin_manager::cleanup): Remove use of cleanup_done_.
1025
1026 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
1027
1028         * fileread.cc: (File_read::View::~View): Use the new
1029         data_ownership_ filed.
1030         (File_read::~File_read): Dispose the new whole_file_view_.
1031         (File_read::open): Mmap the whole file if needed.
1032         (File_read::open): Use whole_file_view_ instead of contents_.
1033         (File_read::find_view): Use whole_file_view_ if applicable.
1034         (File_read::do_read): Use whole_file_view_ instead of contents_.
1035         (File_read::make_view): Use whole_file_view_ instead of contents_,
1036         update File_read::View::View call.
1037         (File_read::find_or_make_view): Update File_read::View::View
1038         call.
1039         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
1040         remove contents_
1041         (File_read::View::Data_ownership): New enum.
1042         (File_read::View::View): Replace bool mapped_ with Data_ownership
1043         argument.
1044         (File_read::View::mapped_): Remove (replaced by data_ownership_).
1045         (File_read::View::data_ownership_): New field.
1046         (File_read::contents_): Remove (replaced by whole_file_view_).
1047         (File_read::whole_file_view_): New field.
1048         * options.h (class General_options): Add --keep-files-mapped.
1049
1050 2009-10-27  Cary Coutant  <ccoutant@google.com>
1051
1052         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
1053         * testsuite/Makefile.am (plugin_test_5): New test case.
1054         * testsuite/Makefile.in: Regenerate.
1055
1056 2009-10-25  Doug Kwan  <dougkwan@google.com>
1057
1058         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
1059         from private to protected to allow access by child class.
1060         (Sized_relobj::do_relocate_sections): New method declaration.
1061         (Sized_relobj::relocate_sections): Virtualize.
1062         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from 
1063         Sized_relobj::relocate_sections.  Instantiate template explicitly
1064         for different target sizes and endianity.
1065
1066 2009-10-24  Doug Kwan  <dougkwan@google.com>
1067
1068         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
1069         (Arm_input_section::as_arm_input_section): New method.
1070         (Arm_output_section): New class definition.
1071         (Arm_output_section::create_stub_group,
1072         Arm_output_section::group_sections): New method definitions.
1073
1074 2009-10-22  Doug Kwan  <dougkwan@google.com>
1075
1076         * arm.cc (Arm_input_section): New class definition.
1077         (Arm_input_section::init, Arm_input_section:do_write,
1078         Arm_input_section::set_final_data_size,
1079         Arm_input_section::do_reset_address_and_file_offset): New method
1080         definitions.
1081
1082 2009-10-21  Doug Kwan  <dougkwan@google.com>
1083
1084         * arm.cc (Stub_table, Arm_input_section): New forward class
1085         declarations.
1086         (Stub_table): New class defintion.
1087         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
1088         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
1089         New method definition.
1090
1091 2009-10-21  Doug Kwan  <dougkwan@google.com>
1092
1093         * arm.cc: Update copyright comments.
1094         (Target_arm): New forward class template declaration.
1095         (Arm_address): New type.
1096         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
1097         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
1098         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
1099         constants.
1100         (Insn_template): Same.
1101         (DEF_STUBS): New macro.
1102         (Stub_type): New enum type.
1103         (Stub_template): New class definition.
1104         (Stub): Same.
1105         (Reloc_stub): Same.
1106         (Stub_factory): Same.
1107         (Target_arm::Target_arm): Initialize may_use_blx_ and
1108         should_force_pic_veneer_.
1109         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
1110         Target_arm::should_force_pic_veneer,
1111         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
1112         Target_arm::using_thumb_only, Target_arm:;default_target): New
1113         method defintions.
1114         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
1115         New data member declarations.
1116         (Insn_template::size, Insn_template::alignment): New method defintions.
1117         (Stub_template::Stub_template): New method definition.
1118         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
1119         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
1120         (Stub_factory::Stub_factory): New method definition.
1121         * gold.h (string_hash): New template.
1122         * output.h (Input_section_specifier::hash_value): Use
1123         gold::string_hash.
1124         (Input_section_specifier::string_hash): Remove.
1125         * stringpool.cc (Stringpool_template::string_hash): Use
1126         gold::string_hash.
1127
1128 2009-10-20  Doug Kwan  <dougkwan@google.com>
1129
1130         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
1131         symbols of relaxed input sections.
1132         * output.h (Output_section::find_relaxed_input_section): Make
1133         method public.
1134
1135 2009-10-16  Doug Kwan  <dougkwan@google.com>
1136
1137         * dynobj.cc (Versions::Versions): Initialize version_script_.
1138         Only insert base version symbol definition for a shared object
1139         if version script defines any version versions.
1140         (Versions::define_base_version): New method definition.
1141         (Versions::add_def): Check that base version is not needed.
1142         (Versions::add_need): Define base version lazily.
1143         * dynobj.h (Versions::define_base_version): New method declaration.
1144         (Versions::needs_base_version_): New data member declaration.
1145         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
1146         (check_DATA): Add no_version_test.stdout.
1147         (libno_version_test.so, no_version_test.o no_version_test.stdout):
1148         New make rules.
1149         * testsuite/Makefile.in: Regenerate.
1150         * testsuite/no_version_test.c: New file.
1151         * testsuite/no_version_test.sh: Ditto.
1152
1153 2009-10-16  Doug Kwan  <dougkwan@google.com>
1154
1155         * expression.cc (class Segment_start_expression): New class definition.
1156         (Segment_start_expression::value): New method definition.
1157         (script_exp_function_segment_start): Return a new
1158         Segment_start_expression.
1159         * gold/script-c.h (script_saw_segment_start_expression): New function
1160         prototype.
1161         * script-sections.cc (Script_sections::Script_sections): Initialize
1162         SAW_SEGMENT_START_EXPRESSION_ to false.
1163         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
1164         and -Tbbs options to specify section addresses if given in
1165         command line and no SEGMENT_START expression is seen in a script.
1166         * script-sections.h (Script_sections::saw_segment_start_expression,
1167         Script_sections::set_saw_segment_start_expression): New method
1168         definition.
1169         (Script_sections::saw_segment_start_expression_): New data member
1170         declaration.
1171         * script.cc (script_saw_segment_start_expression): New function.
1172         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
1173         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
1174         script_test_7.sh and script_test_8.sh.
1175         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
1176         script_test_8.stdout.
1177         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
1178         (script_test_6, script_test_6.stdout, script_test_7,
1179         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
1180         * Makefile.in: Regenerate.
1181         * testsuite/script_test_6.sh: New file.
1182         * testsuite/script_test_6.t: Same.
1183         * testsuite/script_test_7.sh: Same.
1184         * testsuite/script_test_7.t: Same.
1185         * testsuite/script_test_8.sh: Same.
1186
1187 2009-10-16  Doug Kwan  <dougkwan@google.com>
1188
1189         * output.cc (Output_segment::set_section_list_address): Cast
1190         expressions to unsigned long long type to avoid format warnings.
1191
1192 2009-10-15  Ian Lance Taylor  <iant@google.com>
1193
1194         * script.cc (Script_options::add_symbol_assignment): Always add a
1195         dot assignment to script_sections_.
1196         * script-sections.cc (Script_sections::add_dot_assignment):
1197         Initialize if necessary.
1198
1199         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
1200         program headers with no load segment if there is a linker script.
1201
1202         * layout.cc (Layout::set_segment_offsets): Align the file offset
1203         to the segment aligment for -N or -n with no load segment.
1204         * output.cc (Output_segment::add_output_section): Don't crash if
1205         the first section is a TLS section.
1206         (Output_segment::set_section_list_addresses): Print an error
1207         message if the address moves backward in a linker script.
1208         * script-sections.cc
1209         (Output_section_element_input::set_section_addresses): Don't
1210         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
1211         (Orphan_output_section::set_section_addresses): Likewise.
1212
1213 2009-10-15  Doug Kwan  <dougkwan@google.com>
1214
1215         * layout.cc (Layout::finish_dynamic_section): Generate tags
1216         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
1217         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
1218         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
1219
1220 2009-10-14  Ian Lance Taylor  <iant@google.com>
1221
1222         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
1223         fields.
1224         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
1225         data_shdr fields of relinfo.
1226         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
1227         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
1228         R_386_TLS_LDO_32, adjust based on section flags.
1229         (Target_i386::Relocate::fix_up_ldo): Remove.
1230
1231 2009-10-13  Ian Lance Taylor  <iant@google.com>
1232
1233         Add support for -pie.
1234         * options.h (class General_options): Add -pie and
1235         --pic-executable.
1236         (General_options::output_is_position_independent): Test -pie.
1237         (General_options::output_is_executable): Return true if not shared
1238         and not relocatable.
1239         (General_options::output_is_pie): Remove.
1240         * options.cc (General_options::finalize): Reject incompatible uses
1241         of -pie.
1242         * gold.cc (queue_middle_tasks): A -pie link is not static.
1243         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
1244         * symtab.cc (Symbol::final_value_is_known): Return false if
1245         output_is_position_independent.
1246         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
1247         output_is_position_independent.
1248         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
1249         output_is_position_independent.
1250         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
1251         output_is_position_independent.
1252         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
1253         two_file_pie_test.
1254         (basic_pie_test.o, basic_pie_test): New targets.
1255         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
1256         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
1257         (two_file_pie_test): New target.
1258         * testsuite/Makefile.in: Rebuild.
1259         * README: Remove note saying that -pie is not supported.
1260
1261 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1262
1263         * options.h (class General_options): Add -init and -fini.
1264         * layout.cc (Layout::finish_dynamic_section): Emit
1265         given init and fini functions.
1266
1267 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
1268
1269         * gc.h (gc_process_relocs): Check if icf is enabled using new
1270         function.
1271         * gold.cc (queue_initial_tasks): Likewise.
1272         (queue_middle_tasks): Likewise.
1273         * object.cc (do_layout): Likewise.
1274         * symtab.cc (is_section_folded): Likewise.
1275         * main.cc (main): Likewise.
1276         * reloc.cc (Read_relocs::run): Likewise.
1277         (Sized_relobj::do_scan_relocs): Likewise.
1278         * icf.cc (is_function_ctor_or_dtor): New function.
1279         (Icf::find_identical_sections): Check if function is ctor or dtor when
1280         safe icf is chosen.
1281         * options.h (General_options::icf): Change option to be an enum.
1282         (Icf_status): New enum.
1283         (icf_enabled): New method.
1284         (icf_safe_folding): New method.
1285         (set_icf_status): New method.
1286         (icf_status_): New variable.
1287         * (options.cc) (General_options::finalize): Set icf_status_.
1288         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
1289         icf_test and icf_keep_unique_test to use the --icf enum flag.
1290         * testsuite/icf_safe_test.sh: New file.
1291         * testsuite/icf_safe_test.cc: New file. 
1292
1293 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
1294
1295         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
1296         includes to gc.h and icf.h.
1297         * arm.cc: Include gc.h.
1298         * gold.cc: Likewise.
1299         * i386.cc: Likewise.
1300         * powerpc.cc: Likewise.
1301         * sparc.cc: Likewise.
1302         * x86_64.cc: Likewise.
1303         * gc.h: Include icf.h.
1304
1305 2009-10-11  Ian Lance Taylor  <iant@google.com>
1306
1307         * plugin.cc: Include "gold.h" before other header files.
1308
1309 2009-10-10  Chris Demetriou  <cgd@google.com>
1310
1311         * options.h (Input_file_argument::Input_file_type): New enum.
1312         (Input_file_argument::is_lib_): Replace with...
1313         (Input_file_argument::type_): New member.
1314         (Input_file_argument::Input_file_argument): Take Input_file_type
1315         'type' rather than boolean 'is_lib' as second argument.
1316         (Input_file_argument::is_lib): Use type_.
1317         (Input_file_argument::is_searched_file): New function.
1318         (Input_file_argument::may_need_search): Handle is_searched_file.
1319         * options.cc (General_options::parse_library): Support -l:filename.
1320         (General_options::parse_just_symbols): Update for Input_file_argument
1321         changes.
1322         (Command_line::process): Likewise.
1323         * archive.cc (Archive::get_file_and_offset): Likewise.
1324         * plugin.cc (Plugin_manager::release_input_file): Likewise.
1325         * script.cc (read_script_file, script_add_file): Likewise.
1326         * fileread.cc (Input_file::Input_file): Likewise.
1327         (Input_file::will_search_for): Handle is_searched_file.
1328         (Input_file::open): Likewise.
1329         * readsyms.cc (Read_symbols::get_name): Likewise.
1330         * testsuite/Makefile.am (searched_file_test): New test.
1331         * testsuite/Makefile.in: Regenerate.
1332         * testsuite/searched_file_test.cc: New file.
1333         * testsuite/searched_file_test_lib.cc: New file.
1334
1335 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1336             Ian Lance Taylor  <iant@google.com>
1337
1338         * descriptor.cc: Include <cstdio> and "binary-io.h".
1339         (Descriptors::open): Open the files in binary mode always.
1340         * script.cc (Lex::get_token): Treat \r as whitespace.
1341
1342 2009-10-09  Ian Lance Taylor  <iant@google.com>
1343
1344         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
1345
1346 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1347             Ian Lance Taylor  <iant@google.com>
1348
1349         * configure.ac: Check for readv function also.
1350         * fileread.cc (readv): Define if not HAVE_READV.
1351         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
1352         does not exist.
1353         * config.in: Regenerate.
1354         * configure: Regenerate.
1355
1356 2009-10-09  Doug Kwan  <dougkwan@google.com>
1357
1358         * layout.cc (Layout::make_output_section): Call target hook to make
1359         ordinary output section.
1360         (Layout::finalize): Adjust parameter list of call the
1361         Target::may_relax().
1362         * layout.h (class Layout::section_list): New method.
1363         * merge.h (Output_merge_base::entsize): Change visibility to public.
1364         (Output_merge_base::is_string, Output_merge_base::do_is_string):
1365         New methods.
1366         (Output_merge_string::do_is_string): New method.
1367         * object.cc (Sized_relobj::do_setup): renamed from
1368         Sized_relobj::set_up.
1369         * object.h (Sized_relobj::adjust_shndx,
1370         Sized_relobj::initializ_input_to_output_maps,
1371         Sized_relobj::free_input_to_output_maps): Change visibilities to
1372         protected.
1373         (Sized_relobj::setup): Virtualize.
1374         (Sized_relobj::do_setup): New method declaration.
1375         (Sized_relobj::invalidate_section_offset,
1376         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
1377         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
1378         * options.cc (parse_int): New function.
1379         * options.h (parse_int): New declaration.
1380         (DEFINE_int): New macro.
1381         (stub_group_size): New option.
1382         * output.cc (Output_section::Output_section): Initialize memebers
1383         merge_section_map_, merge_section_by_properties_map_,
1384         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
1385         (Output_section::add_input_section): Handled deferred code-fill
1386         generation and remove an old comment.
1387         (Output_section::add_relaxed_input_section): New method definition.
1388         (Output_section::add_merge_input_section): Use merge section by
1389         properties map to speed to search.  Update merge section maps
1390         as appropriate.
1391         (Output_section::build_relaxation_map): New method definition.
1392         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
1393         Same.
1394         (Output_section::relax_input_section): Renamed to
1395         Output_section::convert_input_sections_to_relaxed_sections and change
1396         interface to take a vector of pointers to relaxed sections.
1397         (Output_section::find_merge_section,
1398         Output_section::find_relaxed_input_section): New method definitions.
1399         (Output_section::is_input_address_mapped,
1400         Output_section::output_offset, Output_section::output_address):
1401         Use output section data maps to speed up searching.
1402         (Output_section::find_starting_output_address): Add comments.
1403         (Output_section::do_write,
1404         Output_section::write_to_postprocessing_buffer): Do code-fill
1405         generation as appropriate.
1406         (Output_section::get_input_sections): Invalidate relaxed input section
1407         map.
1408         (Output_section::restore_states): Adjust type of checkpoint .
1409         Invalidate relaxed input section map.
1410         * output.h (Output_merge_base): New class declaration.
1411         (Input_section_specifier): New class defintion.
1412         (class Output_relaxed_input_section) Change base class to
1413         Output_section_data_build.
1414         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
1415         base class initializer.
1416         (Output_section::add_relaxed_input_section): New method declaration.
1417         (Output_section::Input_section): Change visibility to protected.
1418         (Output_section::Input_section::relobj,
1419         Output_section::Input_section::shndx): Handle relaxed input sections.
1420         Output_section::input_sections) Change visibility to protected.  Also
1421         define overload to return a non-const pointer.
1422         (Output_section::Merge_section_properties): New class defintion.
1423         (Output_section::Merge_section_by_properties_map,
1424         Output_section::Output_section_data_by_input_section_map,
1425         Output_section::Relaxation_map): New types.
1426         (Output_section::relax_input_section): Rename method to
1427         Output_section::convert_input_sections_to_relaxed_sections and change
1428         interface to take a vector of relaxed section pointers.
1429         (Output_section::find_merge_section,
1430         Output_section::find_relaxed_input_section,
1431         Output_section::build_relaxation_map,
1432         Output_section::convert_input_sections_in_list_to_relaxed_sections):
1433         New method declarations.
1434         (Output_section::merge_section_map_
1435         Output_section::merge_section_by_properties_map_,
1436         Output_section::relaxed_input_section_map_,
1437         Output_section::is_relaxed_input_section_map_valid_,
1438         Output_section::generate_code_fills_at_write_): New data members.
1439         * script-sections.cc
1440         (Output_section_element_input::set_section_addresses): Call
1441         current_data_size and addralign methods of relaxed input sections.
1442         (Orphan_output_section::set_section_addresses): Call current_data_size
1443         and addralign methods of relaxed input sections.
1444         * symtab.cc (Symbol_table::compute_final_value): Extract template
1445         from the body of Symbol_table::sized_finalize_symbol.
1446         (Symbol_table::sized_finalized_symbol): Call
1447         Symbol_table::compute_final_value.
1448         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
1449         (Symbol_table::compute_final_value): New templated method declaration.
1450         * target.cc (Target::do_make_output_section): New method defintion.
1451         * target.h (Target::make_output_section): New method declaration.
1452         (Target::relax): Add more parameters for input objects, symbol table
1453         and layout.  Adjust call to do_relax.
1454         (Target::do_make_output_section): New method declaration.
1455         (Target::do_relax): Add parameters for input objects, symbol table
1456         and layout.
1457
1458 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1459
1460         * pread.c: Include stdio.h.
1461
1462 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1463
1464         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
1465         defined.
1466
1467 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1468
1469         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
1470         Change read_shndx type to unsigned int.
1471         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
1472         int.
1473         (Sized_dwarf_line_info::read_line_mappings): Likewise.
1474         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
1475         Change read_shndx type to unsigned int.
1476         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
1477         int.
1478         (Sized_dwarf_line_info::read_line_mappings): Likewise.
1479         * layout.cc (Layout::create_symtab_sections): Cast the result of
1480         local_symcount * symsize to off_t in the gold_assert.
1481
1482 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1483
1484         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
1485         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
1486         R_ARM_BASE_ABS.
1487         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
1488         (Arm_relocate_functions::thm_abs5): New function.
1489         (Arm_relocate_functions::abs12): New function.
1490         (Arm_relocate_functions::abs16): New function.
1491         (Arm_relocate_functions::base_abs): New function.
1492         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
1493         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
1494         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
1495         R_ARM_BASE_ABS.
1496         (Scan::global): Likewise.
1497         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
1498         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
1499         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
1500         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
1501         R_ARM_BASE_ABS.
1502
1503 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1504
1505         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
1506         (Arm_relocate_functions::movt_prel): New function.
1507         (Arm_relocate_functions::thm_movw_prel_nc): New function.
1508         (Arm_relocate_functions::thm_movt_prel): New function.
1509         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
1510         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
1511         (Scan::global, Relocate::relocate): Likewise.
1512         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
1513
1514 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
1515
1516         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
1517         Incremental_checker.
1518         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
1519         unsigned int.
1520         (class Incremental_inputs_header): New class.
1521         (Incremental_inputs_header_writer): Edit comment.
1522         (Incremental_inputs_entry): New class.
1523         (Incremental_inputs_entry_writer): Edit comment.
1524         (Sized_incremental_binary::do_find_incremental_inputs_section):
1525         Add *strtab_shndx parameter, fill it.
1526         (Sized_incremental_binary::do_check_inputs): New method.
1527         (Incremental_checker::can_incrementally_link_output_file): Use
1528         Sized_incremental_binary::check_inputs.
1529         (Incremental_inputs::report_command_line): Save command line in
1530         command_line_.
1531         * incremental.h:
1532         (Incremental_binary::find_incremental_inputs_section): New
1533         method.
1534         (Incremental_binary::do_find_incremental_inputs_section): Add
1535         strtab_shndx parameter.
1536         (Incremental_binary::do_check_inputs): New pure virtual method.
1537         (Sized_incremental_binary::do_check_inputs): Declare.
1538         (Incremental_checker::Incremental_checker): Add incremental_inputs
1539         parameter, use it to initialize incremental_inputs_.
1540         (Incremental_checker::incremental_inputs_): New field.
1541         (Incremental_checker::command_line): New method.
1542         (Incremental_checker::inputs): New method.
1543         (Incremental_checker::command_line_): New field.
1544
1545 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
1546
1547         * incremental.cc: Include <cstdarg> and "target-select.h".
1548         (vexplain_no_incremental): New function.
1549         (explain_no_incremental): New function.
1550         (Incremental_binary::error): New method.
1551         (Sized_incremental_binary::do_find_incremental_inputs_section): New
1552         method.
1553         (make_sized_incremental_binary): New function.
1554         (open_incremental_binary): New function.
1555         (can_incrementally_link_file): Add checks if output is ELF and has
1556         inputs section.
1557         * incremental.h: Include "elfcpp_file.h" and "output.h".
1558         (Incremental_binary): New class.
1559         (Sized_incremental_binary): New class.
1560         (open_incremental_binary): Declare.
1561         * object.cc (is_elf_object): Use
1562         elfcpp::Elf_recognizer::is_elf_file.
1563         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
1564         * output.h (Output_file::filesize): New method.
1565
1566 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1567
1568         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
1569         New function.
1570         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
1571         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
1572         function.
1573         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
1574         function.
1575         (Arm_relocate_functions::movw_abs_nc): New function.
1576         (Arm_relocate_functions::movt_abs): New function.
1577         (Arm_relocate_functions::thm_movw_abs_nc): New function.
1578         (Arm_relocate_functions::thm_movt_abs): New function.
1579         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
1580         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
1581         (Scan::global): Likewise.
1582         (Relocate::relocate): Likewise.
1583         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
1584
1585 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1586
1587         * arm.cc (Arm_relocate_functions::got_prel) New function.
1588         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
1589         (Relocate::relocate): Likewise.
1590         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
1591
1592 2009-10-06  Ian Lance Taylor  <iant@google.com>
1593
1594         * options.h (class General_options): Define
1595         split_stack_adjust_size parameter.
1596         * object.h (class Object): Add uses_split_stack_ and
1597         has_no_split_stack_ fields.  Add uses_split_stack and
1598         has_no_split_stack accessor functions.  Declare
1599         handle_split_stack_section.
1600         (class Reloc_symbol_changes): Define.
1601         (class Sized_relobj): Define Function_offsets.  Declare
1602         split_stack_adjust, split_stack_adjust_reltype, and
1603         find_functions.
1604         * object.cc (Object::handle_split_stack_section): New function.
1605         (Sized_relobj::do_layout): Call handle_split_stack_section.
1606         * dynobj.cc (Sized_dynobj::do_layout): Call
1607         handle_split_stack_section.
1608         * reloc.cc (Sized_relobj::relocate_sections): Call
1609         split_stack_adjust for executable sections in split_stack
1610         objects.  Pass reloc_map to relocate_section.
1611         (Sized_relobj::split_stack_adjust): New function.
1612         (Sized_relobj::split_stack_adjust_reltype): New function.
1613         (Sized_relobj::find_functions): New function.
1614         * target-reloc.h: Include "object.h".
1615         (relocate_section): Add reloc_symbol_changes parameter.  Change
1616         all callers.
1617         * target.h (class Target): Add calls_non_split method.  Declare
1618         do_calls_non_split virtual method.  Declare match_view and
1619         set_view_to_nop.
1620         * target.cc: Include "elfcpp.h".
1621         (Target::do_calls_non_split): New function.
1622         (Target::match_view): New function.
1623         (Target::set_view_to_nop): New function.
1624         * gold.cc (queue_middle_tasks): Give an error if mixing
1625         split-stack and non-split-stack objects with -r.
1626         * i386.cc (Target_i386::relocate_section): Add
1627         reloc_symbol_changes parameter.
1628         (Target_i386::do_calls_non_split): New function.
1629         * x86_64.cc (Target_x86_64::relocate_section): Add
1630         reloc_symbol_changes parameter.
1631         (Target_x86_64::do_calls_non_split): New function.
1632         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
1633         parameter.
1634         * powerpc.cc (Target_powerpc::relocate_section): Add
1635         reloc_symbol_changes parameter.
1636         * sparc.cc (Target_sparc::relocate_section): Add
1637         reloc_symbol_changes parameter.
1638         * configure.ac: Call AM_CONDITIONAL for the default target.
1639         * configure: Rebuild.
1640         * testsuite/Makefile.am (TEST_AS): New variable.
1641         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
1642         (check_DATA): Add split_i386 and split_x86_64 files.
1643         (SPLIT_DEFSYMS): Define.
1644         (split_i386_[1234n].o): New targets.
1645         (split_i386_[124]): New targets.
1646         (split_i386_[1234r].stdout): New targets.
1647         (split_x86_64_[1234n].o): New targets.
1648         (split_x86_64_[124]): New targets.
1649         (split_x86_64_[1234r].stdout): New targets.
1650         (MOSTLYCLEANFILES): Add new executables.
1651         * testsuite/split_i386.sh: New file.
1652         * testsuite/split_x86_64.sh: New file.
1653         * testsuite/split_i386_1.s: New file.
1654         * testsuite/split_i386_2.s: New file.
1655         * testsuite/split_i386_3.s: New file.
1656         * testsuite/split_i386_4.s: New file.
1657         * testsuite/split_i386_n.s: New file.
1658         * testsuite/split_x86_64_1.s: New file.
1659         * testsuite/split_x86_64_2.s: New file.
1660         * testsuite/split_x86_64_3.s: New file.
1661         * testsuite/split_x86_64_4.s: New file.
1662         * testsuite/split_x86_64_n.s: New file.
1663         * testsuite/testfile.cc (Target_test): Update relocation_section
1664         function.
1665         * testsuite/Makefile.in: Rebuild.
1666
1667 2009-10-06  Ian Lance Taylor  <iant@google.com>
1668
1669         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
1670         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
1671         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
1672         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
1673         the address on ldo_addrs_.
1674         (Target_i386::Relocate::fix_up_ldo): New function.
1675
1676 2009-10-06   Rafael Espindola  <espindola@google.com>
1677
1678         * plugin.cc (add_input_library): New.
1679         (Plugin::load): Add add_input_library to tv.
1680         (Plugin_manager::add_input_file): Add the is_lib argument.
1681         (add_input_file): Update call to Plugin_manager::add_input_file.
1682         (add_input_library): New.
1683         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
1684
1685 2009-09-30  Doug Kwan  <dougkwan@google.com>
1686
1687         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
1688         symbol and call Symbol::may_need_copy_reloc to determine if
1689         a copy reloc is needed.
1690         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
1691         nocopyreloc is given in command line.
1692         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
1693         given in command line.
1694         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
1695         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
1696         of the removed Target_i386::may_need_copy_reloc.
1697         * options.h (copyreloc): New option with default value false.
1698         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
1699         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
1700         instead of the removed Target_powerpc::may_need_copy_reloc.
1701         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
1702         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
1703         instead of the removed Target_sparc::may_need_copy_reloc.
1704         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
1705         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
1706         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
1707         instead of the removed Target_x86_64::may_need_copy_reloc.
1708
1709 2009-09-30  Ian Lance Taylor  <iant@google.com>
1710
1711         * object.h (class Object): Remove target_ field, and target,
1712         sized_target, and set_target methods.
1713         (Object::sized_target): Remove.
1714         (class Sized_relobj): Update declarations.  Remove sized_target.
1715         * object.cc (Sized_relobj::setup): Remove target parameter.
1716         Change all callers.
1717         (Input_objects::add_object): Don't do anything with the target.
1718         (make_elf_sized_object): Add punconfigured parameter.  Change all
1719         callers.  Set or test parameter target.
1720         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
1721         Change all callers.
1722         * parameters.cc (Parameters::set_target): Change parameter type to
1723         be non-const.
1724         (Parameters::default_target): Remove.
1725         (set_parameters_target): Change parameter type to be non-const.
1726         (parameters_force_valid_target): New function.
1727         (parameters_clear_target): New function.
1728         * parameters.h (class Parameters): Update declarations.  Remove
1729         default_target method.  Add sized_target and clear_target
1730         methods.  Change target_ to be non-const.
1731         (set_parameters_target): Update declaration.
1732         (parameters_force_valid_target): Declare.
1733         (parameters_clear_target): Declare.
1734         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
1735         as NULL if we aren't searching.
1736         (Add_symbols::run): Don't check for compatible target.
1737         * fileread.cc (Input_file::open_binary): Call
1738         parameters_force_valid_target.
1739         * gold.cc (queue_middle_tasks): Likewise.
1740         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
1741         set_target on object.
1742         * dynobj.h (class Sized_dynobj): Update declarations.
1743         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
1744         make_elf_object returns NULL.
1745         (Archive::include_member): Don't check whether object target is
1746         compatible.
1747         * output.cc (Output_section::add_input_section): Get target from
1748         parameters.
1749         (Output_section::relax_input_section): Likewise.
1750         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
1751         parameters.
1752         (Sized_relobj::do_scan_relocs): Likewise.
1753         (Sized_relobj::relocate_sections): Likewise.
1754         * resolve.cc (Symbol_table::resolve): Likewise.
1755         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
1756         parameter.  Change all callers.
1757         (Symbol_table::add_from_object): Get target from parameters.
1758         (Symbol_table::add_from_relobj): Don't check object target.
1759         (Symbol_table::add_from_dynobj): Likewise.
1760         (Symbol_table::define_special_symbol): Get target from
1761         parameters.
1762         * symtab.h (class Symbol_table): Update declaration.
1763         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
1764         parameter.  Change all callers.  Clear parameter target.
1765         (Binary_test): Test target here.
1766         * testsuite/object_unittest.cc (gold_testsuite): Remove
1767         target_test_pointer parameter.  Change all callers.
1768         (Object_test): Test target here.
1769
1770 2009-09-26  Ian Lance Taylor  <iant@google.com>
1771
1772         * testsuite/initpri1.c: Don't try to use constructor priorities if
1773         compiling with gcc before 4.3.
1774
1775 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
1776
1777         * testsuite/retain_symbols_file_test.sh (check_present): Change
1778         output file name to retain_symbols_file_test.stdout.
1779         (check_absent): Likewise.
1780
1781 2009-09-18  Craig Silverstein  <csilvers@google.com>
1782
1783         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
1784         * options.cc: Include <cerrno> and <fstream>.
1785         (General_options::finalize): Parse -retain-symbols-file tag.
1786         * options.h: New flag.
1787         (General_options): New method should_retain_symbol, new
1788         variable symbols_to_retain.
1789         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
1790         should_retain_symbol map.
1791         * testsuite/Makefile.am (retain_symbols_file_test): New test.
1792         * testsuite/Makefile.in: Regenerate.
1793         * testsuite/retain_symbols_file_test.sh: New file.
1794
1795 2009-09-18  Nick Clifton  <nickc@redhat.com>
1796
1797         * po/es.po: Updated Spanish translation.
1798
1799 2009-09-17  Doug Kwan  <dougkwan@google.com>
1800
1801         * debug.h (DEBUG_RELAXATION): New constant.
1802         (DEBUG_ALL): Add DEBUG_RELAXATION.
1803         (debug_string_to_enum): Add relaxation debug option.
1804         * layout.cc
1805         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
1806         Layout::Relaxation_debug_check::read_sections,
1807         Layout::Relaxation_debug_check::read_sections): New method definitions.
1808         (Layout::Layout): Initialize data members
1809         record_output_section_data_from_scrips_,
1810         script_output_section_data_list_ and relaxation_debug_check_.
1811         (Layout::save_segments, Layout::restore_segments,
1812         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
1813         Layout::relaxation_loop_body): New method definitions.
1814         (Layout::finalize): Support relaxation.  Move section layout code to
1815         Layout::relaxation_loop_body.
1816         (Layout::set_asection_address_from_script): Move code for orphan
1817         section placement out.
1818         (Layout::place_orphan_sections_in_script): New method definition.
1819         * layout.h (Output_segment_headers, Output_file_header):
1820         New forward class declarations.
1821         (Layout::~Layout): Define.
1822         (Layout::new_output_section_data_from_script): New method definition.
1823         (Layout::place_orphan_sections_in_script): New method declaration.
1824         (Layout::Segment_states): New type declaration.
1825         (Layout::save_segments, Layout::restore_segments,
1826         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
1827         Layout::relaxation_loop_body): New method declarations.
1828         (Layout::Output_section_data_list): New type declaration.
1829         (Layout::Relaxation_debug_check): New class definition.
1830         (Layout::record_output_section_data_from_script_,
1831         Layout::script_output_section_data_list_, Layout::segment_states_,
1832         Layout::relaxation_debug_check_): New data members.
1833         * output.cc: (Output_section_headers::do_size): New method definition.
1834         (Output_section_headers::Output_section_headers): Move size
1835         computation to Output_section_headers::do_size.
1836         (Output_segment_headers::do_size): New method definition.
1837         (Output_file_header::Output_file_header): Move size computation to 
1838         Output_file_header::do_size and call it.
1839         (Output_file_header::do_size): New method definition.
1840         (Output_data_group::Output_data_group): Adjust call to
1841         Output_section_data.
1842         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
1843         (Output_symtab_xindex::do_write): Add array bound check.
1844         (Output_section::Input_section::print_to_mapfile): Handle
1845         RELAXED_INPUT_SECTION_CODE.
1846         (Output_section::Output_section): Initialize data member checkpoint_.
1847         (Output_section::~Output_section): Delete checkpoint object pointed
1848         by checkpoint_.
1849         (Output_section::add_input_section): Always add an Input_section if
1850         relaxing.
1851         (Output_section::add_merge_input_section): Add assert.
1852         (Output_section::relax_input_section): New method definition.
1853         (Output_section::set_final_data_size): Set load address to zero for
1854         an unallocated section.
1855         (Output_section::do_address_and_file_offset_have_reset_values):
1856         New method definition.
1857         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
1858         Handle relaxed input section.
1859         (Output_section::sort_attached_input_sections): Checkpoint input
1860         section list lazily.
1861         (Output_section::get_input_sections): Change type of input_sections to
1862         list of Simple_input_section pointers.  Checkpoint input section list
1863         lazily.  Also handle relaxed input sections.
1864         (Output_section::add_input_section_for_script): Take a reference to
1865         a Simple_input_section object instead of Relobj pointer and section
1866         index as parameter.  Handle relaxed input sections.
1867         (Output_section::save_states, Output_section::restore_states): New
1868         method definitions.
1869         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
1870         (Output_data::is_data_size_fixed): New method definition.
1871         (Output_data::reset_addresss_and_file_offset): Do not reset data size
1872         if it is fixed.
1873         (Output_data::address_and_file_offset_have_reset_values): New method
1874         definition.
1875         (Output_data::do_address_and_file_offset_have_reset_values): New method
1876         definition.
1877         (Output_data::set_data_size): Check that data size is not fixed.
1878         (Output_data::fix_data_size): New method definition.
1879         (Output_data::is_data_size_fixed_): New data member.
1880         (Output_section_headers::set_final_data_size): New method definition.
1881         (Output_section_headers::do_size): New method declaration.
1882         (Output_segment_headers::set_final_data_size): New method definition.
1883         (Output_segment_headers::do_size): New method declaration.
1884         (Output_file_header::set_final_data_size)::New method definition.
1885         (Output_file_header::do_size)::New method declaration.
1886         (Output_section_data::Output_section_data): Add new parameter
1887         is_data_size_fixed and use it to fix data size.
1888         (Output_data_const::Output_data_const): Adjust call to base class
1889         constructor and fix data size.
1890         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
1891         base class constructor and fix data size.
1892         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
1893         base class constructor and fix data size.
1894         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
1895         class constructor and fix data size.
1896         (Output_data_group::set_final_data_size): New method definition.
1897         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
1898         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
1899         class constructor and fix data size.
1900         (Output_relaxed_input_section): New class definition.
1901         (Output_section::Simple_input_section): New class definition.
1902         (Output_section::get_input_sections): Adjust parameter list.
1903         (Output_section::add_input_section_for_script): Same.
1904         (Output_section::save_states, Output_section::restore_states,
1905         Output_section::do_address_and_file_offset_have_reset_values,
1906         (Output_section::Input_section::Input_section): Handle
1907         RELAXED_INPUT_SECTION_CODE.  Add new overload for
1908         Output_relaxed_input_section.
1909         (Output_section::Input_section::is_input_section,
1910         Output_section::Input_section::set_output_section): Handle relaxed
1911         input section.
1912         (Output_section::Input_section::is_relaxed_input_section,
1913         Output_section::Input_section::output_section_data,
1914         Output_section::Input_section::relaxed_input_section): New method
1915         definitions.
1916         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
1917         value.
1918         (Output_section::Input_section::u1_): Update comments.
1919         (Output_section::Input_section::u2_): Add new union member poris.
1920         (Output_section::Checkpoint_output_section): New classs definition.
1921         (Output_section::relax_input_section): New method declaration.
1922         (Output_section::checkpoint_): New data member.
1923         (Output_segment): Update comments.
1924         (Output_segment::Output_segment): Un-privatize copy constructor.
1925         (Output_segment::operator=): Un-privatize.
1926         * script-sections.cc (Output_section_element::Input_section_list):
1927         Change element type to Output_section::Simple_input_section.
1928         (Output_section_element_dot_assignment::set_section_addresses):
1929         Register output section data for relaxation clean up.
1930         (Output_data_exression::Output_data_expression): Adjust call to base
1931         constructor to fix data size.
1932         (Output_section_element_data::set_section_addresses): Register
1933         Output_data_expression object for relaxation clean up.
1934         (struct Input_section_info): Replace Relobj pointer and section index
1935         pair with Output_section::Simple_input_section and Convert struct to a
1936         class.
1937         (Input_section_sorter::operator()): Adjust access to
1938         Input_section_info data member to use accessors. 
1939         (Output_section_element_input::set_section_addresses): Use layout
1940         parameter.  Adjust code to use Output_section::Simple_input_section
1941         and Input_secction_info classes.  Register filler for relaxation
1942         clean up.
1943         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
1944         and section index pair with Output_section::Simple_input_section
1945         class.  Adjust code accordingly.
1946         (Phdrs_element::release_segment): New method definition.
1947         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
1948         segment list.
1949         (Script_sections::release_segments): New method definition.
1950         * gold/script-sections.h (Script_sections::release_segments): New
1951         method declaration.
1952         * gold/target.h (Target::may_relax, Target::relax,
1953         Target::do_may_relax, Target::do_relax): New method definitions.
1954
1955 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1956
1957         * arm.cc (has_signed_unsigned_overflow): New function.
1958         (Arm_relocate_functions::abs8): New function.
1959         (Target_arm::Scan::local): Handle R_ARM_ABS8.
1960         (Target_arm::Scan::global): Likewise.
1961         (Target_arm::relocate::relocate): Likewise.
1962         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1963         Likewise.
1964
1965 2009-09-16  Cary Coutant  <ccoutant@google.com>
1966
1967         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
1968         * testsuite/Makefile.in: Regenerate.
1969
1970 2009-09-11  Nick Clifton  <nickc@redhat.com>
1971
1972         * po/gold.pot: Updated by the Translation project.
1973
1974 2009-09-08  Cary Coutant  <ccoutant@google.com>
1975
1976         * output.cc (Output_file::open): Add execute permission to empty file.
1977         * testsuite/Makefile.am (permission_test): New test.
1978         * testsuite/Makefile.in: Regenerate.
1979
1980 2009-09-02  Ian Lance Taylor  <iant@google.com>
1981
1982         * output.cc (Output_file::resize): Call map_no_anonymous rather
1983         than map.
1984
1985 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
1986
1987         * gold.cc: Include "incremental.h".
1988         (queue_initial_tasks): Call Incremental_checker methods.
1989         * incremental.cc: Include "output.h".
1990         (Incremental_checker::can_incrementally_link_output_file): New
1991         method.
1992         * incremental.h (Incremental_checker): New class.
1993
1994         * output.cc (Output_file::open_for_modification): New method.
1995         (Output_file::map_anonymous): Changed return type to bool.  Record
1996         map in base_ field.
1997         (Output_file::map_no_anonymous): New method, broken out of map.
1998         (Output_file::map): Use map_no_anonymous and map_anonymous.
1999         * output.h (class Output_file): Update declarations.
2000
2001 2009-08-24  Cary Coutant  <ccoutant@google.com>
2002
2003         * options.h (Command_line::Pre_options): New class.
2004         (Command_line::pre_options): New member.
2005         * options.cc (gold::options::ready_to_register): New variable.
2006         (One_option::register_option): Do nothing if not registering options.
2007         Assert if same short option registered twice.
2008         (General_options::General_options): Turn off option registration when
2009         done constructing.
2010         (Command_line::Pre_options::Pre_options): New constructor.
2011
2012 2009-08-24  Cary Coutant  <ccoutant@google.com>
2013
2014         * options.h (General_options::no_keep_memory): Remove incorrect
2015         short option.
2016
2017 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2018
2019         * Makefile.am (am__skiplex, am__skipyacc): New.
2020         * Makefile.in: Regenerate.
2021
2022 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2023
2024         * Makefile.am (AM_CPPFLAGS): Renamed from ...
2025         (INCLUDES): ... this.
2026         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
2027         (AM_CPPFLAGS): Renamed from ...
2028         (INCLUDE): ... this.
2029         * Makefile.in, testsuite/Makefile.in: Regenerate.
2030
2031         * Makefile.in: Regenerate.
2032         * aclocal.m4: Likewise.
2033         * config.in: Likewise.
2034         * configure: Likewise.
2035         * testsuite/Makefile.in: Likewise.
2036
2037         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
2038         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
2039         * Makefile.in: Regenerate.
2040         * testsuite/Makefile.in: Regenerate.
2041
2042 2009-08-19  Cary Coutant  <ccoutant@google.com>
2043
2044         * resolve.cc (Symbol_table::resolve): Don't complain about defined
2045         symbols in shared libraries overridden by hidden or internal symbols
2046         in the main program.
2047
2048 2009-08-19  Chris Demetriou  <cgd@google.com>
2049
2050         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
2051         checking source file names in error messages.
2052
2053 2009-08-18  Doug Kwan  <dougkwan@google.com>
2054
2055         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
2056         an elcpp::Ehdr as parameter.  Adjust call to set_target.
2057         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
2058         an elfcpp::Ehdr as parameter.
2059         * object.cc (Object::set_target): Remove the version that looks up
2060         a target and sets it.
2061         (Sized_relobj::setup): Take a Target object instead of
2062         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
2063         (make_elf_sized_object): Find target and ask target to
2064         make an ELF object.
2065         * object.h: (Object::set_target): Remove the version that looks up
2066         a target and sets it.
2067         (Sized_relobj::setup): Take a Target object instead of
2068         an elfcpp:Ehdr as parameter.
2069         * target.cc: Include dynobj.h.
2070         (Target::do_make_elf_object_implementation): New.
2071         (Target::do_make_elf_object): New.
2072         * target.h (Target::make_elf_object): New template declaration.
2073         (Target::do_make_elf_object): New method declarations.
2074         (Target::do_make_elf_object_implementation): New template declaration.
2075
2076 2009-08-14  Ian Lance Taylor  <iant@google.com>
2077
2078         * gold.h (FUNCTION_NAME): Define.
2079         (gold_unreachable): Use FUNCTION_NAME.
2080
2081 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
2082
2083         * icf.cc (Icf::find_identical_sections): Issue a warning when a
2084         symbol in the --keep-unique list is not found.
2085
2086 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
2087
2088         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
2089         been maked as --keep-unique.
2090         (Icf::unfold_section): New function.
2091         * icf.h (Icf::unfold_section): New function.
2092         * options.h (General_options::keep_unique): New option.
2093         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
2094         * testsuite/Makefile.in: Regenerate.
2095         * testsuite/icf_keep_unique_test.sh: New file.
2096         * testsuite/icf_keep_unique_test.cc: New file.
2097
2098 2009-08-12  Cary Coutant  <ccoutant@google.com>
2099
2100         PR 10471
2101         * resolve.cc (Symbol_table::resolve): Check for references from
2102         dynamic objects to hidden and internal symbols.
2103         * testsuite/Makefile.am (hidden_test.sh): New test.
2104         * testsuite/Makefile.in: Regenerate.
2105         * testsuite/hidden_test.sh: New script.
2106         * testsuite/hidden_test_1.c: New test source.
2107         * testsuite/hidden_test_main.c: New test source.
2108
2109 2009-08-11  Doug Kwan  <dougkwan@google.com>
2110
2111         * arm.cc: Update comments.
2112         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
2113         segment to locate the .ARM.exidx section if present.
2114
2115 2009-08-09  Doug Kwan  <dougkwan@google.com>
2116
2117         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
2118         patch.
2119
2120 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
2121         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
2122         compiler warnings.
2123
2124 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
2125
2126         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
2127         valid tls_segment only for non-debug-section relocations.
2128         * testsuite/Makefile.am: Add gc_tls_test.
2129         * testsuite/Makefile.in: Regenerate.
2130         * testsuite/gc_tls_test.cc: New file.
2131         * testsuite/gc_tls_test.sh: New file.
2132
2133 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
2134         
2135         * icf.cc: New file.
2136         * icf.h: New file.
2137         * Makefile.am (CCFILES): Add icf.cc.
2138         (HFILES): Add icf.h
2139         * Makefile.in: Regenerate.
2140         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
2141         * gc.h (gc_process_relocs): Populate lists used by icf to contain
2142         section, symbol and addend information for the relocs.
2143         * gold.cc (queue_middle_tasks): Call identical code folding.
2144         * gold.h: Add defines for multimap.
2145         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
2146         to the call of finalize_local_symbols.
2147         * main.cc (main): Create object of class Icf.
2148         * object.cc (Sized_relobj::do_layout): Allow this function to be
2149         called twice during icf.
2150         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
2151         to sections marked as identical by icf.
2152         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
2153         when available.
2154         (Sized_relobj::do_section_entsize): New function.
2155         * object.h (Object::section_entsize): New function.
2156         (Object::do_section_entsize): New pure virtual function.
2157         (Relobj::finalize_local_symbols): Add new parameter.
2158         (Relobj::do_section_entsize): New function.
2159         * options.h (General_options::icf): New option.
2160         (General_options::icf_iterations): New option.
2161         (General_options::print_icf_sections): New option.
2162         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
2163         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
2164         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
2165         icf.
2166         * symtab.cc (Symbol_table::is_section_folded): New function.
2167         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
2168         to sections marked as identical by icf.
2169         * symtab.h (Symbol_table::set_icf): New function.
2170         (Symbol_table::icf): New function.
2171         (Symbol_table::is_section_folded): New function.
2172         (Symbol_table::icf_): New data member.
2173         * target-reloc.h (relocate_section): Ignore sections folded by icf.
2174         * testsuite/Makefile.am: Add commands to build icf_test.
2175         * testsuite/Makefile.in: Regenerate.
2176         * testsuite/icf_test.sh: New file.
2177         * testsuite/icf_test.cc: New file.
2178
2179 2009-07-24  Chris Demetriou  <cgd@google.com>
2180
2181         * layout.cc (is_compressible_debug_section): Fix incorrect
2182         comment about compressed section names.
2183
2184 2009-07-20  Ian Lance Taylor  <ian@airs.com>
2185
2186         PR 10419
2187         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
2188
2189 2009-07-16  Ian Lance Taylor  <iant@google.com>
2190
2191         PR 10400
2192         * layout.h: #include <map>.
2193         (class Kept_section): Change from struct to class.  Add accessors
2194         and setters.  Add section size to Comdat_group mapping.  Change
2195         Comdat_group to std::map.  Add is_comdat_ field.  Add
2196         linkonce_size field in union.
2197         (class Layout): Update declaration of find_or_add_kept_section.
2198         Don't declare find_kept_object.
2199         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
2200         parameter.  Add object, shndx, is_comdat, and is_group_name
2201         parameters.  Change all callers.  Adjust for new Kept_section.
2202         (Layout::find_kept_object): Remove.
2203         * object.cc (Sized_relobj::include_section_group): Update use of
2204         Kept_section.  Rename secnum to shndx.  Only record
2205         Kept_comdat_section if sections are the same size.
2206         (Sized_relobj::include_linkonce_section): Update use of
2207         Kept_section.  Only record Kept_comdat_section if sections are the
2208         same size.  Set size of linkonce section.
2209         (Sized_relobj::map_to_kept_section): Update call to
2210         get_kept_comdat_section.
2211         * object.h (class Sized_relobj): Rename fields in
2212         Kept_comdat_section to drop trailing underscores; change object
2213         field to Relobj*.  Change Kept_comdat_section_table to store
2214         struct rather than pointer.
2215         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
2216         Add kept_object and kept_shndx parameters.  Change all callers.
2217         (Sized_relobj::get_kept_comdat_section): Change return type to
2218         bool.  Add kept_object and kept_shndx parameters.  Change all
2219         callers.
2220         * plugin.cc (Pluginobj::include_comdat_group): Update call to
2221         Layout::find_or_add_kept_section.
2222
2223 2009-07-09  Ian Lance Taylor  <iant@google.com>
2224
2225         * merge.cc (Object_merge_map::initialize_input_to_output_map):
2226         Reserve space in the hash table.
2227
2228 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
2229
2230         * fileread.cc (File_read::get_mtime): New method.
2231         * fileread.h (Timespec): New structure.
2232         (File_read::get_mtime): New method.
2233         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
2234         Renamed from timestamp_nsec.
2235         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
2236         Elf_Xword.
2237         (Incremental_inputs_entry_write::timestamp_usec): Renamed from 
2238         timestamp_nsec.
2239         (Incremental_inputs::report_archive): Save mtime; style fix. 
2240         (Incremental_inputs::report_obejct): Save mtime; style fix.
2241         (Incremental_inputs::report_script): Save mtime; style fix.
2242         (Incremental_inputs::finalize_inputs): Style fix.
2243         (Incremental_inputs::finalize): Style fix.
2244         (Incremental_inputs::create_input_section_data): Store inputs
2245         mtime.
2246         * incremental.h (Incremental_inputs::report_script): Add mtime
2247         argument.
2248         (Incremental_inputs::Input_info::Input_info): Intialize only one
2249         union member.
2250         (Incremental_inputs::Input_info::archive): Move to nameless
2251         union.
2252         (Incremental_inputs::Input_info::obejct): Move to nameless union.
2253         (Incremental_inputs::Input_info::script): Move to nameless union.
2254         (Incremental_inputs::mtime): New field.
2255         * script.cc (read_input_script): Pass file mtime to
2256         Incremental_input.
2257         * script.h (Script_info::inputs): Style fix.
2258
2259 2009-07-01  Ian Lance Taylor  <ian@airs.com>
2260
2261         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
2262         instead of 32.
2263
2264 2009-06-24  Ian Lance Taylor  <iant@google.com>
2265
2266         PR 10156
2267         * layout.cc (Layout::choose_output_section): If we find an
2268         existing section, update the flags.
2269         (Layout::create_notes): New function, broken out of
2270         Layout::finalize.
2271         (Layout::finalize): Don't create note sections.
2272         (Layout::create_note): Don't crash if linker script discards
2273         section.
2274         (Layout::create_gold_note): Likewise.
2275         (Layout::create_build_id): Likewise.  Don't set
2276         after_input_sections on the section.
2277         (Layout::create_executable_stack_info): Remove target parameter.
2278         Change caller.
2279         * layout.h (class Layout): Declare create_notes.  Update
2280         declaration of create_executable_stack_info.
2281         * gold.cc (queue_middle_tasks): Call create_notes.
2282         * output.cc (Output_section::update_flags_for_input_section): Move
2283         here from output.h.  If SHF_ALLOC flag is newly set, mark address
2284         invalid.
2285         * output.h (Output_data::mark_address_invalid): New function.
2286         (class Output_section): Only declare, not define,
2287         update_flags_for_input_section.  Remove set_flags.
2288
2289 2009-06-24  Ian Lance Taylor  <iant@google.com>
2290
2291         * script-sections.cc (Output_section_definition::
2292         set_section_addresses): Rename shadowing local load_address to
2293         laddr.
2294
2295 2009-06-24  Ian Lance Taylor  <iant@google.com>
2296
2297         PR 10244
2298         * reloc.cc (relocate_sections): Skip empty relocation sections.
2299
2300 2009-06-23  Ian Lance Taylor  <iant@google.com>
2301
2302         PR 10156
2303         * layout.cc (Layout::create_note): Use choose_output_section
2304         rather than make_output_section.
2305
2306 2009-06-23  Ian Lance Taylor  <iant@google.com>
2307
2308         PR 10237
2309         * options.cc (General_options::parse_V): Set printed_version_.
2310         (General_options::General_options): Initialize printed_version_.
2311         * options.h (class General_options): Add printed_version_ field.
2312         * gold.cc (queue_initial_tasks): If there are no input files,
2313         don't give a fatal error if we printed the version information.
2314         (queue_middle_tasks): If using -r with a shared object, give a
2315         fatal error rather than an ordinary error.
2316
2317 2009-06-23  Ian Lance Taylor  <iant@google.com>
2318
2319         PR 10219
2320         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
2321         (Layout::make_output_section): Set have_stabstr_section_ if we see
2322         a .stab*str section.
2323         (Layout::finalize): Call link_stabs_sections.
2324         (Layout::link_stabs_sections): New file.
2325         * layout.h (class Layout): Add have_stabstr_section_ field.
2326         Declare link_stabs_sections.
2327
2328 2009-06-23  Doug Kwan  <dougkwan@google.com>
2329
2330         * Makefile.am (libgold_a_LIBADD): New.
2331         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
2332         * Makefile.in: Regenerate.
2333         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
2334         * configure: Regenerate.
2335         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
2336         * fileread.cc: Include sys/state.h
2337         * gold.h: Declare memmem and strndup if found missing.
2338         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
2339
2340 2009-06-23  Ian Lance Taylor  <iant@google.com>
2341
2342         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
2343         * configure: Rebuild.
2344
2345 2009-06-23  Ian Lance Taylor  <iant@google.com>
2346
2347         PR 10147
2348         * object.cc (Object::section_contents): Don't try to get a view if
2349         the section has length zero.
2350         (Object::handle_gnu_warning_section): If the section is empty, use
2351         the name of the section as the warning.
2352
2353 2009-06-23  Ian Lance Taylor  <iant@google.com>
2354
2355         PR 10133
2356         * stringpool.h (class Stringpool_template): Add optimize_ field.
2357         (Stringpool_template::set_optimize): New function.
2358         * stringpool.cc (Stringpool_template::Stringpool_template):
2359         Initialize optimize_ field.
2360         (Stringpool_template::set_string_offsets): Test local optimize
2361         fild rather than parameter.
2362         * layout.cc (Layout::Layout): Call set_optimize on the section
2363         name stringpool.
2364
2365 2009-06-22  Ian Lance Taylor  <iant@google.com>
2366
2367         PR 10030
2368         * yyscript.y: Parse TARGET.
2369         * script.cc (script_set_target): New function.
2370         * script-c.h (script_set_target): Declare.
2371         * options.cc (General_options::string_to_object_format): Rename
2372         from string_to_object_format in anonymous namespace.  Change
2373         callers.
2374         * options.h (class General_options): Declare
2375         string_to_object_format.
2376
2377 2009-06-22  Ian Lance Taylor  <iant@google.com>
2378
2379         * script-sections.cc (Script_sections::create_segments): Don't put
2380         program headers in a PT_LOAD segment if -n or -N.
2381
2382 2009-06-22  Ian Lance Taylor  <iant@google.com>
2383
2384         PR 10141
2385         * options.h (class General_options): Add -z lazy and -z now.  Sort
2386         -z options into alphabetical order.
2387         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
2388
2389 2009-06-21  Ian Lance Taylor  <iant@google.com>
2390
2391         * layout.cc (Layout::make_output_section): Call
2392         Target::new_output_section.
2393         (Layout::attach_allocated_section_to_segment): Put large section
2394         sections in a separate load segment with the large segment flag
2395         set.
2396         (Layout::segment_precedes): Sort large data segments after other
2397         load segments.
2398         (align_file_offset): New static function.
2399         (Layout::set_segment_offsets): Use align_file_offset.
2400         * output.h (class Output_section): Add is_small_section_ and
2401         is_large_section_ fields.
2402         (Output_section::is_small_section): New function.
2403         (Output_section::set_is_small_section):  New function.
2404         (Output_section::is_large_section): New function.
2405         (Output_section::set_is_large_section): New function.
2406         (Output_section::is_large_data_section): New function.
2407         (class Output_segment): Add is_large_data_segment_ field.
2408         (Output_segment::is_large_data_segment): New function.
2409         (Output_segment::set_is_large_data_segment): New function.
2410         * output.cc (Output_section::Output_section): Initialize new
2411         fields.
2412         (Output_segment::Output_segment): Likewise.
2413         (Output_segment::add_output_section): Add assertion that large
2414         data sections always go in large data segments.  Force small data
2415         sections to the end of the list of data sections.  Force small BSS
2416         sections to the start of the list of BSS sections.  For large BSS
2417         sections to the end of the list of BSS sections.
2418         * symtab.h (class Symbol): Declare is_common_shndx.
2419         (Symbol::is_defined): Check Symbol::is_common_shndx.
2420         (Symbol::is_common): Likewise.
2421         (class Symbol_table): Define enum Commons_section_type.  Update
2422         declarations.  Add small_commons_ and large_commons_ fields.
2423         * symtab.cc (Symbol::is_common_shndx): New function.
2424         (Symbol_table::Symbol_table): Initialize new fields.
2425         (Symbol_table::add_from_object): Put small and large common
2426         symbols in the right list.
2427         (Symbol_table::sized_finalized_symbol): Check
2428         Symbol::is_common_shndx.
2429         (Symbol_table::sized_write_globals): Likewise.
2430         * common.cc (Symbol_table::do_allocate_commons): Allocate new
2431         common symbol lists.  Don't call do_allocate_commons_list if the
2432         list is empty.
2433         (Symbol_table::do_allocate_commons_list): Remove is_tls
2434         parameter.  Add comons_section_type parameter.  Change all
2435         callers.  Handle small and large common symbols.
2436         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
2437         Symbol::is_common_shndx.
2438         * resolve.cc (symbol_to_bits): Likewise.
2439         * target.h (Target::small_common_shndx): New function.
2440         (Target::small_common_section_flags): New function.
2441         (Target::large_common_shndx): New function.
2442         (Target::large_common_section_flags): New function.
2443         (Target::new_output_section): New function.
2444         (Target::Target_info): Add small_common_shndx, large_common_shndx,
2445         small_common_section_flags, and large_common_section_flags
2446         fields.
2447         (Target::do_new_output_section): New virtual function.
2448         * arm.cc (Target_arm::arm_info): Initialize new fields.
2449         * i386.cc (Target_i386::i386_info): Likewise.
2450         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
2451         Likewise.
2452         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
2453         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
2454         (Target_x86_64::do_new_output_section): New function.
2455         * configure.ac: Define conditional MCMODEL_MEDIUM.
2456         * testsuite/Makefile.am (check_PROGRAMS): Add large.
2457         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
2458         (large_LDFLAGS): Define.
2459         * testsuite/large.c: New file.
2460         * testsuite/testfile.cc (Target_test::test_target_info):
2461         Initialize new fields.
2462         * configure, testsuite/Makefile.in: Rebuild.
2463
2464 2009-06-05  Doug Kwan  <dougkwan@google.com>
2465
2466         * Makefile.am (CCFILES): Add target.cc.
2467         * Makefile.in: Regenerate. 
2468         * i386.cc (class Target_i386): Define new virtual method to
2469         override do_is_local_label_name in parent.
2470         * object.cc (Sized_relobj::do_count_local_symbols): Discard
2471         local symbols if --discard-locals or -X is given.
2472         * options.h (class General_options): Declare new options
2473         '--discard-locals' and '-X' for discarding locals.
2474         * target.h (class Target): Define new methods is_local_label_name.
2475         Declare new virtual method do_is_local_label_name.
2476         * target.cc: New file.
2477         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
2478         (check_SCRIPTS): Add discard_locals_test.sh.
2479         (check_DATA): Add discard_local_tests.syms.
2480         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
2481         (discard_local_tests.syms, discard_locals_test.o): New make rules.
2482         * testsuite/Makefile.in: Regenerate.
2483         * testsuite/discard_locals_test.c: New file.
2484         * testsuite/discard_locals_test.sh: Same.
2485
2486 2009-06-05  Doug Kwan  <dougkwan@google.com>
2487
2488         * object.cc (Sized_relobj::Sized_relobj): Initialize
2489         discarded_eh_frame_shndx_ to -1U.
2490         (Sized_relobj::do_layout): Record index of a discard .eh_frame
2491         section.
2492         (Sized_relobj::do_count_local_symbols): Skip local symbols in
2493         a discarded .eh_frame section.
2494         (Sized_relobj::do_finalize_local_symbols): Ditto.
2495         * object.h (class Sized_relobj): Declare new member
2496         discarded_eh_frame_shndx_.
2497         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
2498         (local_labels_test.o, local_labels_test): New rules.
2499         * testsuite/Makefile.in: Regenerate.
2500
2501 2009-06-04  Doug Kwan  <dougkwan@google.com>
2502
2503         * layout.cc (Layout::section_name_mapping): Add mapping for
2504         special ARM sections.
2505
2506 2009-06-03  Doug Kwan  <dougkwan@google.com>
2507
2508         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
2509         (utils::has_overflow): Same.
2510
2511 2009-06-03  Ian Lance Taylor  <iant@google.com>
2512
2513         * layout.cc (Layout::section_name_mapping): New array, replacing
2514         Layout::linkonce_mapping.
2515         (Layout::section_name_mapping_count): New variable, replacing
2516         Layout::linkonce_mapping_count.
2517         (Layout::linkonce_output_name): Remove.
2518         (Layout::output_section_name): Rewrite.
2519         * layout.h (class Layout): Rename Linkonce_mapping to
2520         Section_name_mapping, linkonce_mapping to section_name_mapping,
2521         linkonce_mapping_count to section_name_mapping_count.  Don't
2522         declare linkonce_output_name.
2523
2524 2009-06-03  Doug Kwan  <dougkwan@google.com>
2525
2526         * gold/arm.cc (namespace utils): New.
2527         (Target_arm::reloc_is_non_pic): Define new method.
2528         (class Arm_relocate_functions): New.
2529         (Target_arm::Relocate::relocate): Handle relocation types used by
2530         Android.
2531
2532 2009-06-03  Ian Lance Taylor  <iant@google.com>
2533
2534         * arm.cc (Target_arm::scan::global): Use || instead of |.
2535
2536 2009-06-02  Doug Kwan  <dougkwan@google.com>
2537
2538         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
2539         issued_non_pic_error_.
2540         (class Target_arm::Scan): Declare new method check_non_pic.
2541         Define new method symbol_needs_plt_entry.
2542         Declare new data member issued_non_pic_error_.
2543         (class Target_arm::Relocate): Declare new method
2544         should_apply_static_reloc.
2545         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
2546         (Target_arm::Scan::check_non_pic): Define new method.
2547         (Target_arm::Scan::local): Handle a small subset of reloc types used
2548         by Android.
2549         (Target_arm::Scan::local): Same.
2550         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
2551
2552 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
2553
2554         * incremental.cc (Incremental_inputs::report_command_line): Filter
2555         out --incremental-* options.
2556
2557 2009-05-29  Doug Kwan  <dougkwan@google.com>
2558
2559         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
2560         template class.
2561         (class Target_arm): Update comment.
2562         (Target_arm::Target_arm): Initialize new data members GOT_,
2563         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
2564         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
2565         and Target_arm::rel_dyn_section.
2566         Declare new_enum Target_arm::Got_type.
2567         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
2568         and DYNBSS_.
2569         Update commments for member do_dynsym_value.
2570         (Target_arm::got_size, Target_arm::plt_section,
2571         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
2572         new methods inside class defintion.
2573         (Target_arm::got_section): Define new method.
2574         (Target_arm::rel_dyn_section): Same.
2575         (Output_data_plt_arm): New template class.
2576         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
2577         (Output_data_plt_arm:do_adjust_output_section): Define new method.
2578         (Output_data_plt_arm::add_entry): Same.
2579         (Output_data_plt_arm::first_plt_entry): Define new
2580         static data member for PLT instruction template.
2581         (Output_data_plt_arm::plt_entry): Same.
2582         (Output_data_plt_arm::do_write): Define new method.
2583         (Target_arm::make_plt_entry): Same.
2584         (Target_arm::do_finalize_sections): Same.
2585         (Target_arm::do_dynsym_value): Same.
2586
2587 2009-05-28  Doug Kwan  <dougkwan@google.com>
2588
2589         * Makefile.am (TARGETSOURCES): Add arm.cc.
2590         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
2591         * Makefile.in: Regenerate.
2592         * arm.cc: New file.
2593         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
2594
2595 2009-05-26  Doug Kwan  <dougkwan@google.com>
2596
2597         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
2598         (General_options::check_excluded_libs): Strip off directories in
2599         archive name before matching like GNU ld does.
2600         * testsuite/Makefile.am (MOSTLYCLEANFILES,
2601         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
2602         (exclude_libs_test_LDFLAGS): Add linker option
2603         -Wl,--exclude-libs,libexclude_libs_test_3
2604         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
2605         an explicit archive without using -l.
2606         (alt/libexclude_libs_test_3.a): New make rule.
2607         * testsuite/Makefile.in: Regenerate.
2608         * testsuite/exclude_libs_test.c : Declare lib3_default().
2609         (main): Call it.
2610         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
2611         * exclude_libs_test_3.c: New file.
2612
2613 2009-05-26  Nick Clifton  <nickc@redhat.com>
2614
2615         * po/id.po: New Indonesian translation.
2616         * po/gold.pot: Updated template file.
2617
2618 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
2619
2620         * testsuite/Makefile.am: Add -ffunction-sections to compile 
2621         gc_comdat_test files.  Add -Wl,--gc-sections to build
2622         gc_comdat_test.
2623         * testsuite/Makefile.in: Regenerate.
2624         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
2625
2626 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
2627
2628         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
2629         kept comdat section was garbage collected.
2630         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
2631         * testsuite/Makefile.in: Regenerate.
2632         * testsuite/gc_comdat_test.sh: New file.
2633         * testsuite/gc_comdat_test_1.cc: New file.
2634         * testsuite/gc_comdat_test_2.cc: New file.
2635
2636 2009-05-19  Doug Kwan  <dougkwan@google.com>
2637
2638         * archive.cc (Archive::Archive): Move constructor from archive.h
2639         to here.  Initialize no_export_.
2640         (Archive::get_elf_object_for_member): Set no_export flag of object.
2641         * archive.h (Archive::Archive): Move constructor body to
2642         archive.cc.
2643         (Archive::no_export): New method.
2644         (Archive::no_export_): New field.
2645         * object.h (Object::Object): Initialize no_export_ to false.
2646         (Object::no_export, Object::set_no_export): New methods.
2647         (Object::no_export_): New field.
2648         * options.cc (General_options::parse_exclude_libs): New method.
2649         (General_options::check_excluded_libs) Same.
2650         * options.h (exclude_libs): New option.
2651         (General_options::check_excluded_libs): New method declaration.
2652         (General_options::excluded_libs_): New field.
2653         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
2654         default or protected visibility if an object has no-export flag set.
2655         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
2656         (check_SCRIPTS): Add exclude_libs_test.sh.
2657         (check_DATA): Add exclude_libs_test.syms.
2658         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
2659         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
2660         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
2661         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
2662         (exclude_libs_test.syms, libexclude_libs_test_1.a,
2663         libexclude_libs_test_2.a): New rules.
2664         * testsuite/Makefile.in: Regenerate.
2665         * testsuite/exclude_libs_test.c: New file.
2666         * testsuite/exclude_libs_test.sh: Ditto.
2667         * testsuite/exclude_libs_test_1.c: Ditto.
2668         * testsuite/exclude_libs_test_2.c: Ditto.
2669
2670 2009-05-15  Ian Lance Taylor  <iant@google.com>
2671
2672         * configure.ac: Check for declarations for cases where libiberty.h
2673         checks HAVE_DECL_xxx.
2674         * configure, config.in: Rebuild.
2675
2676 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
2677
2678         * gold.h (Incremental_argument_list): Remove (invalid) forward
2679         declaration.
2680         * incremental.cc (Incremental_inputs::report_achive): New method.
2681         (Incremental_inputs::report_object): New method.
2682         (Incremental_inputs::report_script): New method.
2683         (Incremental_inputs::finalize_inputs): New method.
2684         (Incremental_inputs::finalize): Call finalize_inputs().
2685         (Incremental_inputs::sized_create_incremental_inputs_section_data):
2686         Create inputs entries.
2687         * incremental.h (Incremental_input_type): New enum.
2688         (Incremental_inputs::Incremental_input): Initialize new fields.
2689         (Incremental_inputs::report_inputs): New method.
2690         (Incremental_inputs::report_achive): New method.
2691         (Incremental_inputs::report_object): New method.
2692         (Incremental_inputs::report_script): New method.
2693         (Incremental_inputs::finalize_inputs): New method.
2694         (Incremental_inputs::Input_info): New struct.
2695         (Incremental_inputs::Input_info_map): New typedef.
2696         (Incremental_inputs::lock_): New field.
2697         (Incremental_inputs::Inputs_): New field.
2698         (Incremental_inputs::Inputs_map): New field.
2699         * main.cc (main): Call Incremental_input::report_inputs.
2700         * options.h (Input_argument_list): Typedef moved from
2701         Input_arguments.
2702         (Input_file_group::Files): Remove, use ::Input_argument_list.
2703         (Input_file_group::Input_argument_list): Remove, use
2704         ::Input_argument_list.
2705         * plugin.cc (Plugin_manager::add_input_file): Add error in
2706         incremental build.
2707         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
2708         functions.
2709         * script.cc (read_input_script): Call
2710         Incremental_input::report_script.
2711         * script.h (Script_info): New class.
2712
2713 2009-04-27  Ian Lance Taylor  <iant@google.com>
2714
2715         * x86_64.cc (do_adjust_output_section): Set entsize to
2716         plt_entry_size.
2717
2718 2009-04-23  Elliott Hughes  <enh@google.com>
2719
2720         * output.cc (Output_file::close): After short writes, continue
2721         writing from the correct offset in the buffer being written.
2722
2723 2009-04-23  Chris Demetriou  <cgd@google.com>
2724
2725         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
2726         * configure: Regenerate.
2727         * config.in: Regenerate.
2728         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
2729         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
2730
2731 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
2732
2733         * incremental.cc (Incremental_inputs_header_data): Renamed from
2734         Incremental_input_header_data.
2735         (Incremental_inputs_header_data::data_size): New field.
2736         (Incremental_inputs_header_data::put_input_file_count): Renamed
2737         from input_file_count.
2738         (Incremental_inputs_header_data::put_command_line_offset): Renamed
2739         from command_line_offset.
2740         (Incremental_inputs_header_data::put_reserved): Renamed from
2741         put_reserved.
2742         (Incremental_inputs_entry_data): Renamed from
2743         Incremental_input_entry_data.
2744         (Incremental_inputs_entry_data::data_size): New field.
2745         (Incremental_inputs::report_command_line): New method.
2746         (Incremental_inputs::finalize): New method.
2747         (Incremental_inputs::create_incremental_inputs_data): New method.
2748         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
2749         * incremental.h: New file.
2750         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
2751        (Layout::finalize): Create incremental inputs section in
2752         incremental builds.
2753        (Layout::create_incremental_info_sections): New method.
2754         * layout.h (Layout::incremental_inputs): New method.
2755        (Layout::create_incremental_info_sections): New method.
2756        (Layout::incremental_inputs_): New field.
2757         * main.cc (main): Notify Incremental_input of the command line.
2758
2759 2009-04-01  Ian Lance Taylor  <iant@google.com>
2760             Mikolaj Zalewski  <mikolajz@google.com>
2761
2762         * gold.h (reserve_unordered_map): Define, three versions, one for
2763         each version of Unordered_map.
2764         * layout.cc (Layout::Layout): Remove options parameter.  Add
2765         number_of_input_files parameter.  Don't initialize options_.
2766         Initialize number_of_input_files_ and resized_signatures_.  Move
2767         sections_are_attached_.
2768         (Layout::layout_group): Reserve space for group_signatures_.
2769         (Layout::find_or_add_kept_section): Change name parameter to be a
2770         reference.  Resize signatures_ map when it gets large enough.
2771         (Layout::layout_eh_frame): Use parameters->options() instead of
2772         this->options_.
2773         (Layout::make_output_section): Likewise.
2774         (Layout::attach_allocated_section_to_segment): Likewise.
2775         (Layout::finalize, Layout::create_executable_stack): Likewise.
2776         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
2777         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
2778         * layout.h (class Layout): Update declarations.  Remove options_
2779         field.  Add number_of_input_files_ and resized_signatures_
2780         fields.  Move sections_are_attached_ field.
2781         * main.cc (main): Pass number of input files to Layout
2782         constructor.  Don't pass options.
2783
2784 2009-03-30  Ian Lance Taylor  <iant@google.com>
2785
2786         * ffsll.c (ffsll): Correct implementation.
2787
2788 2009-03-27  Ian Lance Taylor  <iant@google.com>
2789
2790         * ffsll.c: New file.
2791         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
2792         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
2793         * ftruncate.c (ftruncate): Declare before definition.
2794         * mremap.c (mremap): Likewise.
2795         * pread.c (pread): Likewise.
2796         * configure, Makefile.in, config.in: Rebuild.
2797
2798         * mremap.c: New file.
2799         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
2800         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
2801         (mremap): Declare if HAVE_MREMAP is not defined.
2802         * configure, Makefile.in, config.in: Rebuild.
2803
2804 2009-03-27  Cary Coutant  <ccoutant@google.com>
2805
2806         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
2807         position independent.
2808         * sparc.cc (Target_sparc::check_non_pic): Likewise.
2809         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
2810
2811 2009-03-24  Cary Coutant  <ccoutant@google.com>
2812
2813         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
2814         an executable.
2815         (needs_dynamic_reloc): Likewise.
2816
2817 2009-03-24  Ian Lance Taylor  <iant@google.com>
2818
2819         * yyscript.y (file_cmd): Recognize EXTERN.
2820         (extern_name_list, extern_name_list_body): New nonterminals.
2821         * script.cc (script_add_extern): Define.
2822         * script-c.h (script_add_extern): Declare.
2823
2824 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
2825
2826         * object.cc (is_elf_object): Define.
2827         * object.h (is_elf_object): Declare.
2828         * archive.cc (Archive::get_elf_object_for_member): Call
2829         is_elf_object.
2830         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
2831
2832 2009-03-24  Elliott Hughes  <enh@google.com>
2833
2834         * output.cc (Output_file::map_anonymous): Define.
2835         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
2836         try an anonymous one.  Report the size if the mmap fails.
2837         * output.h (class Output_file): Declare map_anonymous.
2838
2839 2009-03-24  Ian Lance Taylor  <iant@google.com>
2840
2841         * target-select.cc (instantiate_target): Don't acquire the lock if
2842         the instantiated_target_ field has already been set.
2843
2844 2009-03-23  Ian Lance Taylor  <iant@google.com>
2845
2846         * gold-threads.h (class Initialize_lock): Define.
2847         * gold-threads.cc (class Initialize_lock_once): Define.
2848         (initialize_lock_control): New static variable.
2849         (initialize_lock_pointer): New static variable.
2850         (initialize_lock_once): New static function.
2851         (Initialize_lock::Initialize_lock): Define.
2852         (Initialize_lock::initialize): Define.
2853         * target-select.h: Include "gold-threads.h".
2854         (class Target_selector): Add lock_ and initialize_lock_ fields.
2855         Don't define instantiate_target, just declare it.
2856         * target-select.cc (Target_selector::Target_selector): Initialize
2857         new fields.
2858         (Target_selector::instantiate_target): Define.
2859         * descriptors.h: Include "gold-threads.h".
2860         (class Descriptors): Add initialize_lock_ field.
2861         * descriptors.cc (Descriptors::Descriptors): Initialize new
2862         field.
2863         (Descriptors::open): Use initialize_lock_ field
2864         * errors.h (class Errors): Add initialize_lock_ field.
2865         * errors.cc (Errors::Errors): Initialize new field.
2866         (Errors::initialize_lock): Use initialize_lock_ field.
2867         * powerpc.cc (class Target_selector_powerpc): Remove
2868         instantiated_target_ field.  In do_recognize call
2869         instantiate_target rather than do_instantiate_target.  In
2870         do_instantiate_target just allocate a new target.
2871         * sparc.cc (class Target_selector_sparc): Likewise.
2872
2873         * freebsd.h: New file.
2874         * i386.cc: Include "freebsd.h".
2875         (Target_i386): Derive from Target_freebsd rather than
2876         Sized_target.
2877         (Target_selector_i386): Derive from Target_selector_freebsd rather
2878         than Target_selector.
2879         * x86_64.cc: Include "freebsd.h".
2880         (Target_x86_64): Derive from Target_freebsd rather than
2881         Sized_target.
2882         (Target_selector_x86_64): Derive from Target_selector_freebsd
2883         rather than Target_selector.
2884         * target.h (class Target): Add adjust_elf_header and
2885         do_adjust_elf_header.
2886         * output.cc (Output_file_header:: do_sized_write): Call target
2887         adjust_elf_header routine.
2888         * configure.tgt: Set targ_osabi.
2889         * configure.ac: Define GOLD_DEFAULT_OSABI.
2890         * parameters.cc (Parameters::default_target): Pass
2891         GOLD_DEFAULT_OSABI to select_target.
2892         * target-select.h (class Target_selector): Make instantiate_target
2893         protected rather than private.
2894         * Makefile.am (HFILES): Add freebsd.h.
2895         * configure, Makefile.in, config.in: Rebuild.
2896
2897         * merge.cc (do_add_input_section): Correct pend value.  Change
2898         message about last entry not being null terminated from error to
2899         warning.
2900
2901 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
2902
2903         * incremental.cc: New file.
2904         * Makefile.am (CCFILES): Add incremental.cc.
2905         * Makefile.in: Rebuild.
2906
2907 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
2908
2909         * layout.cc (Layout::output_section_name): Preserve names
2910         of '.note.' sections.
2911         
2912 2009-03-19  Ian Lance Taylor  <iant@google.com>
2913
2914         * descriptors.cc (Descriptors::open): Check that the options are
2915         valid before using them.
2916
2917 2009-03-18  Ian Lance Taylor  <iant@google.com>
2918
2919         * script-sections.h: Include <list>.
2920         (class Script_sections): Change Sections_elements from std::vector
2921         to std::list.  Typedef public Elements_iterator.  Add
2922         orphan_section_placement_, data_segment_align_start_, and
2923         saw_data_segment_align_ fields.  Remove data_segment_align_index_
2924         field.
2925         * script-sections.cc (class Orphan_section_placement): New class.
2926         (class Sections_element): Add virtual functions is_relro and
2927         orphan_section_init.  Remove virtual function place_orphan_here.
2928         (class Output_section_definition): Add is_relro and
2929         orphan_section_init.  Remove place_orphan_here.
2930         (class Orphan_output_section): Likewise.
2931         (Script_sections::Script_sections): Update for field changes.
2932         (Script_sections::data_segment_align): Set saw_data_segment_align_
2933         and data_segment_align_start_, not data_segment_align_index.
2934         (Script_sections::data_segment_relro_end): Check
2935         saw_data_segment_align_.  Use data_segment_align_start_ rather
2936         than data_segment_align_index_.
2937         (Script_sections::place_orphan): Rewrite to use
2938         Orphan_section_placement.
2939
2940 2009-03-17  Ian Lance Taylor  <iant@google.com>
2941
2942         * archive.cc (Archive::add_symbols): Check for a version attached
2943         to the symbol name in the archive map.
2944         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
2945         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
2946         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
2947         (ver_test_11.a): New target.
2948         * testsuite/Makefile.in: Rebuild.
2949
2950         * configure.ac: Check for chsize and posix_fallocate.  Replace
2951         ftruncate.
2952         * ftruncate.c: New file, from gnulib.
2953         * output.cc (posix_fallocate): Define dummy version if not
2954         HAVE_POSIX_FALLOCATE.
2955         (Output_file::map): Call posix_fallocate rather than lseek and
2956         write.
2957         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
2958         * configure, Makefile.in, config.in: Rebuild.
2959
2960 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
2961         
2962         * layout.h (Layout::create_note): Add section_name parameter.
2963         * layout.cc (Layout::create_note): Likewise.
2964         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
2965         
2966 2009-03-17  Ian Lance Taylor  <iant@google.com>
2967
2968         * descriptors.cc: Include "options.h".
2969         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
2970         (Descriptors::open): Always use O_CLOEXEC when opening a new
2971         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
2972         then set FD_CLOEXEC.
2973
2974         * sparc.cc (class Target_sparc): Add has_got_section.
2975         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
2976         make sure we have a GOT section.
2977
2978         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
2979         (Target_sparc::Scan::local): Likewise.
2980         (Target_sparc::Scan::global): Likewise.
2981         (Target_sparc::Relocate::relocate): Likewise.
2982         (Target_sparc::Relocate::relocate_tls): Likewise.
2983
2984         * symtab.cc (Symbol_table::define_default_version): New function,
2985         broken out of add_from_object.
2986         (Symbol_table::add_from_object): Call define_default_version.
2987         (Symbol_table::define_special_symbol): Add resolve_oldsym
2988         parameter.  Change all callers.  If the version for a symbol comes
2989         from a version script, resolve it with the symbol with the same
2990         name with no version.  Also add the symbol without a version if
2991         appropriate.
2992         (do_define_in_output_data): If resolving with oldsym, don't delete
2993         sym.
2994         (do_define_in_output_segment): Likewise.
2995         (do_define_as_constant): Likewise.
2996         * symtab.h (class Symbol_table): Update declarations.
2997
2998 2009-03-13  Ian Lance Taylor  <iant@google.com>
2999
3000         * readsyms.cc (Read_symbols::incompatible_warning): New function.
3001         (Read_symbols::requeue): New function.
3002         (Read_symbols::do_read_symbols): If make_elf_object fails because
3003         the target type is not configured, and the file was searched for,
3004         issue a warning and retry with the next directory.
3005         (Add_symbols::run): If the file has an incompatible format, and
3006         it was searched for, requeue the Read_symbols task.  On error,
3007         release the object.
3008         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
3009         dirindex parameter to constructor.  Change all callers.  Declare
3010         incompatible_warning and requeue.
3011         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
3012         input_argument_ and input_group_ fields.  Add them to
3013         constructor.  Change all callers.
3014         (class Read_script): Add dirindex_ field.  Add it to constructor.
3015         Change all callers.
3016         * archive.cc (Archive::setup): Remove input_objects parameter.
3017         Change all callers.
3018         (Archive::get_file_and_offset): Likewise.
3019         (Archive::read_all_symbols): Likewise.
3020         (Archive::read_symbols): Likewise.
3021         (Archive::get_elf_object_for_member): Remove input_objects
3022         parameter.  Add punconfigured parameter.  Change all callers.
3023         (Archive::add_symbols): Change return type to bool.  Check return
3024         value of include_member.
3025         (Archive::include_all_members): Likewise.
3026         (Archive::include_member): Change return type to bool.  Return
3027         false if first included object has incompatible target.  Set
3028         included_member_ field.
3029         (Add_archive_symbols::run): If add_symbols returns false, requeue
3030         Read_symbols task.
3031         * archive.h (class Archive): Add included_member_ field.
3032         Initialize it in constructor.  Add input_file and searched_for
3033         methods.  Update declarations.
3034         (class Add_archive_symbols): Add dirpath_, dirindex_, and
3035         input_argument_ fields.  Add them to constructor.  Change all
3036         callers.
3037         * script.cc: Include "target-select.h".
3038         (class Parser_closure): Add skip_on_incompatible_target_ and
3039         found_incompatible_target_ fields.  Add
3040         skip_on_incompatible_target parameter to constructor.  Change all
3041         callers.  Add methods skip_on_incompatible_target,
3042         clear_skip_on_incompatible_target, found_incompatible_target, and
3043         set_found_incompatible_target.
3044         (read_input_script): Add dirindex parameter.  Change all callers.
3045         If parser finds an incompatible target, requeue Read_symbols
3046         task.
3047         (script_set_symbol): Clear skip_on_incompatible_target in
3048         closure.
3049         (script_add_assertion, script_parse_option): Likewise.
3050         (script_start_sections, script_add_phdr): Likewise.
3051         (script_check_output_format): New function.
3052         * script.h (read_input_script): Update declaration.
3053         * script-c.h (script_check_output_format): Declare.
3054         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
3055         (ignore_cmd): Remove OUTPUT_FORMAT.
3056         * fileread.cc (Input_file::Input_file): Add explicit this.
3057         (Input_file::will_search_for): New function.
3058         (Input_file::open): Add pindex parameter.  Change all callers.
3059         * fileread.h (class Input_file): Add input_file_argument method.
3060         Declare will_search_for.  Update declarations.
3061         * object.cc (make_elf_object): Add punconfigured parameter.
3062         Change all callers.
3063         * object.h (class Object): Make input_file public.  Add
3064         searched_for method.
3065         (make_elf_object): Update declaration.
3066         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
3067         restart search.
3068         * dirsearch.h (class Dirsearch): Update declaration.
3069         * options.h (class General_options): Add --warn-search-mismatch.
3070         * parameters.cc (Parameters::is_compatible_target): New function.
3071         * parameters.h (class Parameters): Declare is_compatible_target.
3072         * workqueue.cc (Workqueue::add_blocker): New function.
3073         * workqueue.h (class Workqueue): Declare add_blocker.
3074
3075         * fileread.cc (Input_file::open): Remove options parameter.
3076         Change all callers.
3077         (Input_file::open_binary): Likewise.
3078         * script.cc (read_input_script): Likewise.
3079         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
3080         options parameter from constructor.  Change all callers.
3081         (class Read_script): Likewise.
3082         * fileread.h (class Input_file): Update declarations.
3083         * script.h (read_input_script): Update declaration.
3084
3085 2009-03-10  Nick Clifton  <nickc@redhat.com>
3086
3087         * po/es.po: New Spanish translation.
3088
3089 2009-03-06  Cary Coutant  <ccoutant@google.com>
3090
3091         * options.cc (parse_short_option): Keep dash_z from registering itself.
3092
3093 2009-03-03  Ian Lance Taylor  <iant@google.com>
3094
3095         PR 9918
3096         * target-reloc.h (relocate_section): Pass output_section to
3097         relocate.
3098         * i386.cc (Target_i386::should_apply_static_reloc): Add
3099         output_section parameter.  Change all callers.
3100         (Target_i386::Relocate::relocate): Add output_section parameter.
3101         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
3102         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
3103         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
3104         * testsuite/two_file_shared.sh: New script.
3105         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
3106         (check_DATA): Add two_file_shared.dbg.
3107         (two_file_shared.dbg): New target.
3108         * testsuite/Makefile.in: Rebuild.
3109
3110 2009-03-01  Ian Lance Taylor  <iant@google.com>
3111
3112         * configure.ac: Check for byteswap.h.
3113         * configure: Rebuild.
3114         * config.in: Rebuild.
3115
3116 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
3117
3118         * layout.cc (Layout::find_or_add_kept_section): New function.
3119         (Layout::add_comdat): Removed.
3120         * layout.h (struct Kept_section): Move out of class Layout.
3121         Remove trailing underscores from field names.  Add group_sections
3122         field.  Rename group_ field to is_group.  Change all uses.
3123         (class Layout): Declare find_or_add_kept_section, not add_comdat.
3124         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
3125         comdat_groups_ field.
3126         (Sized_relobj::include_section_group): Use
3127         find_or_add_kept_section and Kept_section::group_sections.
3128         (Sized_relobj::include_linkonce_section): Likewise.
3129         * object.cc (class Sized_relobj): Don't define Comdat_group or
3130         Comdat_group_table.  Remove find_comdat_group and
3131         add_comdat_group.  Remove comdat_groups_ field.
3132         * plugin.cc (include_comdat_group): Use
3133         Layout::find_or_add_kept_section.
3134
3135 2009-02-28  Ian Lance Taylor  <iant@google.com>
3136
3137         * README: --gc-sections and map files are now supported.  Document
3138         some build requirements.
3139
3140         PR 6992
3141         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
3142         relocatable link set the value of the section symbol to zero.
3143         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
3144         relocatable link don't include the section address in the local
3145         symbol value.
3146
3147 2009-02-27  Ian Lance Taylor  <iant@google.com>
3148
3149         PR 6811
3150         * options.h (class Search_directory): Add is_system_directory.
3151         (class General_options): Declare is_in_system_directory.
3152         * options.cc (get_relative_sysroot): Make static.
3153         (get_default_sysroot): Make static.
3154         (General_optoins::is_in_system_directory): New function.
3155         * fileread.cc (Input_file::is_in_system_directory): New function.
3156         * fileread.h (class Input_file): Declare is_in_system_directory.
3157         * object.h (class Object): Add is_in_system_directory.
3158         (class Input_objects): Remove system_library_directory_ field.
3159         * object.cc (Input_objects::add_object): Don't set
3160         system_library_directory_.
3161         (input_objects::found_in_system_library_directory): Remove.
3162         * symtab.cc (Symbol_table::write_globals): Remove input_objects
3163         parameter.  Change all callers.
3164         (Symbol_table::sized_write_globals): Likewise.
3165         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
3166         Call Object::is_in_system_directory.
3167         * symtab.h (class Symbol_table): Update declarations.
3168
3169         PR 5990
3170         * descriptors.h (Open_descriptor): Add is_on_stack field.
3171         * descriptors.cc (Descriptors::open): If the descriptor is on the
3172         top of the stack, remove it.  Initialize is_on_stack field.
3173         (Descriptors::release): Only add pod to stack if it is not on the
3174         stack already.
3175         (Descriptors::close_some_descriptor): Clear stack_next and
3176         is_on_stack fields.
3177
3178         PR 7091
3179         * output.cc (Output_section::find_starting_output_address): Rename
3180         from starting_output_address; add PADDR parameter; change return
3181         type.
3182         * output.h (class Output_section): Declare
3183         find_starting_output_address instead of starting_output_address.
3184         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
3185         section symbol for which we can't find a merge section.
3186
3187         PR 9836
3188         * symtab.cc (Symbol_table::add_from_object): If the visibility is
3189         hidden or internal, force the symbol to be local.
3190         * resolve.cc (Symbol::override_visibility): Define.
3191         (Symbol::override_base): Use override_visibility.
3192         (Symbol_table::resolve): Likewise.
3193         (Symbol::override_base_with_special): Likewise.
3194         (Symbol_table::override_with_special): If the visibility is hidden
3195         or internal, force the symbol to be local.
3196         * symtab.h (class Symbol): Add set_visibility and
3197         override_visibility.
3198         * testsuite/ver_test_1.sh: New file.
3199         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
3200         (check_DATA): Add ver_test_1.syms.
3201         (ver_test_1.syms): New target.
3202         * testsuite/Makefile.in: Rebuild.
3203
3204 2009-02-25  Cary Coutant  <ccoutant@google.com>
3205
3206         * layout.cc (Layout::choose_output_section): Don't rename sections
3207         when using a linker script that has a SECTIONS clause.
3208         * Makefile.in: Regenerate.
3209
3210         * testsuite/Makefile.am (script_test_5.sh): New test case.
3211         * testsuite/Makefile.in: Regenerate.
3212         * testsuite/script_test_5.cc: New file.
3213         * testsuite/script_test_5.sh: New file.
3214         * testsuite/script_test_5.t: New file.
3215
3216 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
3217
3218         * archive.cc (Archive::include_member): Update calls to add_symbols.
3219         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
3220         the Layout argument.
3221         * dynobj.h (do_add_symbols): Add the Layout argument.
3222         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
3223         Layout argument.
3224         * object.h (Object::add_symbols): Add the Layout argument.
3225         (Object::do_add_symbols): Add the Layout argument.
3226         (Sized_relobj::do_add_symbols): Add the Layout argument.
3227         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
3228         Unify the two versions.
3229         (Add_plugin_symbols): Remove.
3230         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
3231         (Sized_pluginobj::do_add_symbols): Unify the two versions.
3232         (Add_plugin_symbols): Remove.
3233         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
3234         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
3235         (Add_symbols::run): Make it work with Pulginobj.
3236
3237 2009-02-06  Ian Lance Taylor  <iant@google.com>
3238
3239         * object.cc (Sized_relobj::do_layout): Make info message start
3240         with lower case letter.
3241
3242 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
3243
3244         * binary.cc: Fix file comment.
3245
3246         * options.h (enum Incremental_disposition): Define.
3247         (class General_options): Add new options: --incremental,
3248         --incremental_changed, --incremental_unchanged,
3249         --incremental_unknown.  Add incremental_disposition_ and
3250         implicit_incremental_ fields.
3251         (General_options::incremental_disposition): New function.
3252         (class Position_dependent_options): Add incremental_disposition
3253         option.
3254         (Position_dependent_options::copy_from_options): Set incremental
3255         dispositions.
3256         * options.cc (General_options::parse_incremental_changed): New
3257         function.
3258         (General_options::parse_incremental_unchanged): New function.
3259         (General_options::parse_incremental_unknown): New function.
3260         (General_options::General_options): Initialize new fields
3261         incremental_disposition_ and implicit_incremental_.
3262         (General_options::finalize): Check for uasge of --incremental-*
3263         without --incremental.
3264
3265 2009-02-06  Chris Demetriou  <cgd@google.com>
3266
3267         * gold.h (gold_undefined_symbol): Change to take only a Symbol
3268         pointer and to report location as the file name associated with
3269         the symbol.
3270         (gold_undefined_symbol_at_location): New function to replace the
3271         old gold_undefined_symbol functionality.
3272         * target-reloc.h (relocate_section): Update to use
3273         gold_undefined_symbol_at_location.
3274         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
3275         Call gold_undefined_symbol function rather than gold_error.
3276         * errors.h (Errors::undefined_symbol): Take location as a
3277         string, rather than calculating it from a relocation.
3278         * errors.cc (Errors::fatal): Print "fatal error:" before the
3279         formatted message.
3280         (Errors::error, Errors::error_at_location): Print "error: "
3281         before the formatted message.
3282         (Errors::undefined_symbol): Take location as a string, rather
3283         than calculating it from a relocation.
3284         (gold_undefined_symbol_at_location): New function akin to
3285         old gold_undefined_symbol, calculates location from relocation.
3286         (gold_undefined_symbol): Change to take only a Symbol pointer
3287         and to report location as the file name associated with the symbol.
3288         * testsuite/debug_msg.sh: Update for changed error messages.
3289         * testsuite/undef_symbol.sh: Likewise.
3290
3291 2009-02-04  Duncan Sands  <baldrick@free.fr>
3292
3293         PR 9812
3294         * reduced_debug_output.h
3295         (Output_reduced_debug_abbrev_section::failed): Use format for
3296         gold_warning.
3297         (Output_reduced_debug_info_section::faild): Likewise.
3298
3299 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
3300
3301         * script.cc (Lazy_demangler): New class.
3302         (Version_script_info::get_symbol_version_helper): Demangle a
3303         symbol only once.
3304
3305 2009-01-29  Cary Coutant  <ccoutant@google.com>
3306
3307         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
3308         to __tls_get_addr.
3309         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
3310
3311 2009-01-28  Ian Lance Taylor  <iant@google.com>
3312
3313         * version.cc (version_string): Bump to 1.9.
3314
3315         * gold.h: Include <cstring> and <stdint.h>.
3316         * version.cc: Include <cstdio>.
3317         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
3318         warning.
3319         * reduced_debug_output.cc (insert_into_vector): Rename from
3320         Insert_into_vector; change all callers.  Use Swap_unaligned to
3321         avoid aliasing issue; remove union since it is unnecessary.
3322
3323 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
3324
3325         * Makefile.am (CCFILES): Add gc.cc.
3326         (HFILES): Add gc.h.
3327         * Makefile.in: Regenerate.
3328         * gold.cc (Gc_runner): New class.
3329         (queue_initial_tasks): Call garbage collection related tasks
3330         when corresponding options are invoked.
3331         (queue_middle_gc_tasks): New function.
3332         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
3333         processed early before laying out sections during garbage collection.
3334         * gold.h (queue_middle_gc_tasks): New function.
3335         (is_prefix_of): Move from "layout.cc".
3336         * i386.cc (Target_i386::gc_process_relocs): New function.
3337         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
3338         * main.cc (main): Create object of class "Garbage_collection".
3339         * object.cc (Relobj::copy_symbols_data): New function.
3340         (Relobj::is_section_name_included): New function.
3341         (Sized_relobj::do_layout): Allow this function to be called twice 
3342         during garbage collection and defer layout of section during the 
3343         first call.
3344         * object.h (Relobj::get_symbols_data): New function.
3345         (Relobj::is_section_name_included): New function.
3346         (Relobj::copy_symbols_data): New function.
3347         (Relobj::set_symbols_data): New function.
3348         (Relobj::get_relocs_data): New function.
3349         (Relobj::set_relocs_data): New function.
3350         (Relobj::is_output_section_offset_invalid): New pure virtual function.
3351         (Relobj::gc_process_relocs): New function.
3352         (Relobj::do_gc_process_relocs): New pure virtual function.
3353         (Relobj::sd_): New data member.
3354         (Sized_relobj::is_output_section_offset_invalid): New function.
3355         (Sized_relobj::do_gc_process_relocs): New function.
3356         * options.h (General_options::gc_sections): Modify to not be a no-op.
3357         (General_options::print_gc_sections): New option.
3358         * plugin.cc (Plugin_finish::run): Remove function call to
3359         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
3360         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
3361         * reloc.cc (Read_relocs::run): Add task to process relocs and
3362         determine unreferenced sections when doing garbage collection.
3363         (Gc_process_relocs): New class.
3364         (Sized_relobj::do_gc_process_relocs): New function.
3365         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
3366         sections that are garbage collected.
3367         * reloc.h (Gc_process_relocs): New class.
3368         * sparc.cc (Target_sparc::gc_process_relocs): New function.
3369         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
3370         symbols whose corresponding sections are garbage collected.
3371         (Symbol_table::Symbol_table): Add new parameter for the garbage
3372         collection object.
3373         (Symbol_table::gc_mark_undef_symbols): New function.
3374         (Symbol_table::gc_mark_symbol_for_shlib): New function.
3375         (Symbol_table::gc_mark_dyn_syms): New function.
3376         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
3377         as garbage.
3378         (Symbol_table::add_from_object): Likewise.
3379         (Symbol_table::add_from_relobj): When building shared objects, do not
3380         treat externally visible symbols as garbage.
3381         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
3382         table information for static and relocatable links.
3383         * symtab.h (Symbol_table::set_gc): New function.
3384         (Symbol_table::gc): New function.
3385         (Symbol_table::gc_mark_undef_symbols): New function.
3386         (Symbol_table::gc_mark_symbol_for_shlib): New function.
3387         (Symbol_table::gc_mark_dyn_syms): New function.
3388         (Symbol_table::gc_): New data member.
3389         * target.h (Sized_target::gc_process_relocs): New pure virtual 
3390         function.
3391         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
3392         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
3393
3394 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
3395
3396         * options.h (General_options::gc_sections): Define as a no-op for now.
3397         (General_options::no_keep_memory): Ditto.
3398         (General_options::Bshareable): Define.
3399         * options.cc (General_options::finalize): Honor -Bshareable.
3400
3401 2009-01-20  Andreas Schwab  <schwab@suse.de>
3402
3403         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
3404         read the value in the contents, since we don't use it.  Use the
3405         template endianness when writing.
3406         (Relocate::relocate): Use it for R_PPC_REL16_HA.
3407
3408 2009-01-19  Andreas Schwab  <schwab@suse.de>
3409
3410         * configure.tgt (powerpc64-*): Fix targ_obj.
3411
3412 2009-01-15  Ian Lance Taylor  <iant@google.com>
3413
3414         * object.cc (Sized_relobj::write_local_symbols): Don't write out
3415         local symbols when stripping all symbols.
3416
3417 2009-01-14  Cary Coutant  <ccoutant@google.com>
3418
3419         * output.cc (Output_reloc): Add explicit instantiations.
3420
3421 2009-01-14  Cary Coutant  <ccoutant@google.com>
3422
3423         * archive.cc (Archive::get_elf_object_for_member): Remove call
3424         to File_read::claim_for_plugin.
3425         * descriptors.cc (Descriptors::open): Remove reference to
3426         is_claimed.
3427         (Descriptors::claim_for_plugin): Remove.
3428         * descriptors.h (Descriptors::claim_for_plugin): Remove.
3429         (Descriptors::is_claimed): Remove.
3430         (claim_descriptor_for_plugin): Remove.
3431         * fileread.cc (File_read::claim_for_plugin): Remove.
3432         * fileread.h (File_read::claim_for_plugin): Remove.
3433         (File_read::descriptor): Reopen descriptor if necessary.
3434         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
3435         (Plugin_manager::all_symbols_read): Add task parameter. Change
3436         all callers.
3437         (Plugin_manager::get_input_file): New function.
3438         (Plugin_manager::release_input_file): New function.
3439         (Pluginobj::Pluginobj): Add filesize parameter and initialize
3440         corresponding data member.
3441         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
3442         and pass to base constructor. Change all callers.
3443         (get_input_file, release_input_file): New functions.
3444         (make_sized_plugin_object): Add filesize parameter. Change all callers.
3445         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
3446         (Plugin_manager::all_symbols_read): Add task parameter.
3447         (Plugin_manager::get_input_file): New function.
3448         (Plugin_manager::release_input_file): New function.
3449         (Plugin_manager::task_): New data member.
3450         (Pluginobj::Pluginobj): Add filesize parameter.
3451         (Pluginobj::filename): New function.
3452         (Pluginobj::descriptor): New function.
3453         (Pluginobj::filesize): New function.
3454         (Pluginobj::filesize_): New data member.
3455         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
3456         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
3457         File_read::claim_for_plugin; use Object::unlock to unlock the file.
3458
3459         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
3460         with archive libraries.
3461         * testsuite/Makefile.in: Regenerate.
3462         * testsuite/plugin_test.c (struct sym_info): New type.
3463         (get_input_file, release_input_file): New static variables.
3464         (onload): Capture new transfer vector entries.
3465         (claim_file_hook): Stop reading at end of file according to filesize.
3466         Factor out parsing of readelf output into separate function.
3467         (all_symbols_read_hook): Exercise get_input_file and release_input_file
3468         APIs and get the source file name from the symbol table.  Convert
3469         source file name to corresponding object file name.  Print info
3470         message when adding new input files.
3471         (parse_readelf_line): New function.
3472         * testsuite/plugin_test_1.sh: Add checks for new info messages.
3473         * testsuite/plugin_test_2.sh: Likewise.
3474         * testsuite/plugin_test_3.sh: Likewise.
3475         * testsuite/plugin_test_4.sh: New test case.
3476
3477 2009-01-07  Ian Lance Taylor  <iant@google.com>
3478
3479         * version.cc (version_string): Bump to 1.8.
3480
3481 2008-12-23  Cary Coutant  <ccoutant@google.com>
3482
3483         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
3484         * plugin.cc (Plugin_manager::finish): Rename as
3485         layout_deferred_objects.  Move cleanup to separate function.
3486         (Plugin_manager::cleanup): New function.
3487         (Plugin_finish::run): Call layout_deferred_objects and cleanup
3488         separately.
3489         * plugin.h (Plugin_manager::finish): Rename as
3490         layout_deferred_objects.
3491         (Plugin_manager::cleanup): New function.
3492         (Plugin_manager::cleanup_done): New field.
3493
3494 2008-12-23  Cary Coutant  <ccoutant@google.com>
3495
3496         * plugin.cc (is_visible_from_outside): New function.
3497         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
3498         so we don't return "IR only" status for exported symbols or -r links.
3499
3500         * testsuite/Makefile.am (plugin_test_3): New test case.
3501         * testsuite/Makefile.in: Regenerate.
3502         * testsuite/plugin_test_3.sh: New file.
3503
3504 2008-12-22  Cary Coutant  <ccoutant@google.com>
3505
3506         * object.cc (Sized_relobj::layout_section): New function.
3507         (Sized_relobj::do_layout): Defer layout of input sections until after
3508         plugin has provided replacement files.
3509         (Sized_relobj::do_layout_deferred_sections): New function.
3510         * object.h (Relobj::set_section_offset): Remove virtual keyword.
3511         (Relobj::layout_deferred_sections): New function.
3512         (Relobj::do_layout_deferred_sections): New function.
3513         (Sized_relobj::do_layout_deferred_sections): New function.
3514         (Sized_relobj::layout_section): New function.
3515         (Sized_relobj::Deferred_layout): New structure.
3516         (Sized_relobj::deferred_layout_): New field.
3517         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
3518         Change all callers.  Layout deferred sections.
3519         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
3520         references.
3521         (Plugin_hook::run): Move code from do_plugin_hook inline.
3522         (Plugin_hook::do_plugin_hook): Remove.
3523         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
3524         (Plugin_manager::finish): Renamed, was cleanup.
3525         (Plugin_manager::should_defer_layout): New function.
3526         (Plugin_manager::add_deferred_layout_object): New function.
3527         (Plugin_manager::Deferred_layout_list): New type.
3528         (Plugin_manager::deferred_layout_objects_): New field.
3529         (Plugin_hook::do_plugin_hook): Remove.
3530
3531 2008-12-17  Ian Lance Taylor  <iant@google.com>
3532
3533         * options.h (class General_options): Add --no case for
3534         --export-dynamic.
3535
3536 2008-12-16  Cary Coutant  <ccoutant@google.com>
3537
3538         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
3539         vector.
3540         (Plugin_manager::claim_file): Create plugin object even if
3541         plugin did not call the add_symbols callback.
3542         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
3543         asking for more symbols than were added.
3544         * testsuite/Makefile.am (plugin_test_1): Add test case with
3545         no global symbols.
3546         (empty.syms): New target.
3547         * testsuite/Makefile.in: Regenerate.
3548         * testsuite/plugin_test.c (claim_file_hook): Add new debug
3549         message. Don't call add_symbols if no globals.
3550         (all_symbols_read_hook): Don't provide replacement for empty
3551         claimed file.
3552
3553 2008-12-12  Ian Lance Taylor  <iant@google.com>
3554
3555         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
3556         r_type == 0 for a local symbol with r_sym == 0.
3557         (scan_relocatable_relocs): Pass r_sym to
3558         local_non_section_strategy.
3559         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
3560         r_sym parameter.
3561
3562         * configure.ac: Update test for TLS descriptors: they are
3563         supported as of glibc 2.9.
3564         * configure: Rebuild.
3565
3566 2008-12-11  Ian Lance Taylor  <iant@google.com>
3567
3568         PR 7091
3569         * target-reloc.h (Default_scan_relocatable_relocs): For each
3570         function, map r_type == 0 to RELOC_DISCARD.
3571
3572 2008-12-10  Cary Coutant  <ccoutant@google.com>
3573
3574         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
3575         object to override a kept COMDAT group from a plugin object.
3576
3577 2008-12-09  Ian Lance Taylor  <iant@google.com>
3578
3579         PR 7088
3580         * yyscript.y (file_cmd): Handle INPUT.
3581
3582         * testsuite/initpri1.c: Change all declarations to be full
3583         prototypes by adding void, to avoid compiler warnings.
3584
3585 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
3586
3587         * options.cc (General_options::parse_plugin_opt): New.
3588         (General_options::add_plugin): The argument now is just the filename.
3589         (General_options::add_plugin_option): New.
3590         * options.h (plugin_opt): New.
3591         (add_plugin): Change argument name.
3592         (add_plugin_option): New.
3593         * plugin.cc (Plugin::load): Don't parse the plugin option.
3594         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
3595         (Plugin::add_option): New.
3596         (Plugin::args_): Change type.
3597         (Plugin::filename_): New.
3598         (Plugin_manager::add_plugin_option): New.
3599         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
3600         * testsuite/Makefile.in: Regenerate.
3601
3602 2008-12-05  Cary Coutant  <ccoutant@google.com>
3603
3604         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
3605         Handle --strip-lto-sections option.
3606         * options.h (strip_lto_sections): New option.
3607
3608 2008-12-01  Cary Coutant  <ccoutant@google.com>
3609
3610         * plugin.cc (ld_plugin_message): Change format parameter to const.
3611         Fix mismatch between new[] and delete.
3612
3613 2008-11-14  Cary Coutant  <ccoutant@google.com>
3614
3615         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
3616         instead of -1U.
3617
3618 2008-11-05  Craig Silverstein  <csilvers@google.com>
3619
3620         * options.cc (General_options::parse_dynamic_list): New function.
3621         * options.h (General_options): New flags dynamic_list,
3622         dynamic_list_data, dynamic_list_cpp_new, and
3623         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
3624         (General_options::in_dynamic_list): New function.
3625         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
3626         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
3627         (Lex::can_continue_name): Likewise.
3628         (yylex): Likewise.
3629         (read_script_file): New parameter script_options.
3630         (read_dynamic_list): New function.
3631         (Script_options::define_dynamic_list): New function.
3632         (dynamic_list_keyword_parsecodes): New variable.
3633         (dynamic_list_keywords): New variable.
3634         * script.h (Script_options::define_dynamic_list): New function
3635         prototype.
3636         (read_dynamic_list): New function prototype.
3637         * symtab.cc (strprefix): New macro.
3638         (Symbol::should_add_dynsym_entry): Support dynamic_list,
3639         dynamic_list_data, dynamic_list_cpp_new, and
3640         dynamic_list_cpp_typeinfo.
3641         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
3642         (dynamic_list_expr): New rule.
3643         (dynamic_list_nodes): Likewise.
3644         (dynamic_list_node): Likewise.
3645         * testsuite/Makefile.am (dynamic_list): New test.
3646         * testsuite/Makefile.in: Regenerated.
3647         * testsuite/dynamic_list.t: New file.
3648         * testsuite/dynamic_list.sh: New file.
3649
3650 2008-11-05  Craig Silverstein  <csilvers@google.com>
3651
3652         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
3653         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
3654         (t11_last): Likewise.
3655         * testsuite/ver_test_6.c (main): Likewise.
3656
3657 2008-10-07  Cary Coutant  <ccoutant@google.com>
3658
3659         * options.c (General_options::finalize): Add check for -static and
3660         -shared.
3661         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
3662         is not empty.
3663
3664 2008-10-02  Cary Coutant  <ccoutant@google.com>
3665
3666         * plugin.cc (make_sized_plugin_object): Fix conditional
3667         compilation to work when not all targets are enabled.
3668
3669 2008-09-29  Cary Coutant  <ccoutant@google.com>
3670
3671         * archive.cc (Archive::get_file_and_offset): Use filename instead
3672         of name to get library path.
3673         (Archive::include_member): Unlock external member of a thin archive.
3674
3675         * testsuite/Makefile.am (TEST_AR): New variable.
3676         (thin_archive_test_1): New test.
3677         (thin_archive_test_2): New test.
3678         * testsuite/Makefile.in: Regenerate.
3679         * testsuite/thin_archive_main.cc: New file.
3680         * testsuite/thin_archive_test_1.cc: New file.
3681         * testsuite/thin_archive_test_2.cc: New file.
3682         * testsuite/thin_archive_test_3.cc: New file.
3683         * testsuite/thin_archive_test_4.cc: New file.
3684
3685 2008-09-29  Cary Coutant  <ccoutant@google.com>
3686
3687         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
3688         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
3689         instead of -1U.
3690         (Sized_relobj::do_finalize_local_symbols): Likewise.
3691         (Sized_relobj::map_to_kept_section): Likewise.
3692         * object.h (Sized_relobj::invalid_address): New constant.
3693         (Sized_relobj::do_output_section_offset): Check for invalid_address
3694         and return -1ULL.
3695         * output.cc (Output_reloc::local_section_offset): Use constant
3696         invalid_address instead of -1U.
3697         (Output_reloc::get_address): Likewise.
3698         (Output_section::output_address): Change -1U to -1ULL.
3699         * output.h (Output_reloc::invalid_address): New constant.
3700         * reloc.cc (Sized_relobj::write_sections): Use constant
3701         invalid_address instead of -1U.
3702         (Sized_relobj::relocate_sections): Likewise.
3703         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
3704         values for merge sections.
3705         * target-reloc.h (relocate_for_relocatable): Use constant
3706         invalid_address instead of -1U.
3707
3708 2008-09-19  Cary Coutant  <ccoutant@google.com>
3709
3710         Add plugin functionality for link-time optimization (LTO).
3711         * configure.ac (plugins): Add --enable-plugins option.
3712         * configure: Regenerate.
3713         * config.in: Regenerate.
3714         * Makefile.am (LIBDL): New variable.
3715         (CCFILES): Add plugin.cc.
3716         (HFILES): Add plugin.h.
3717         (ldadd_var): Add LIBDL.
3718         * Makefile.in: Regenerate.
3719
3720         * archive.cc: Include "plugin.h".
3721         (Archive::setup): Don't preread archive symbols when using a plugin.
3722         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
3723         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
3724         files.
3725         (Archive::include_member): Add symbols from plugin objects.
3726         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
3727         * descriptors.cc (Descriptors::open): Check for file descriptors
3728         abandoned by plugins.
3729         (Descriptors::claim_for_plugin): New function.
3730         * descriptors.h (Descriptors::claim_for_plugin): New function.
3731         (Open_descriptor::is_claimed): New field.
3732         (claim_descriptor_for_plugin): New function.
3733         * fileread.cc (File_read::claim_for_plugin): New function.
3734         * fileread.h (File_read::claim_for_plugin): New function.
3735         (File_read::descriptor): New function.
3736         * gold.cc: Include "plugin.h".
3737         (queue_initial_tasks): Add task to call plugin hooks for generating
3738         new object files.
3739         * main.cc: Include "plugin.h".
3740         (main): Load plugin libraries.
3741         * object.h (Pluginobj): Declare.
3742         (Object::pluginobj): New function.
3743         (Object::do_pluginobj): New function.
3744         (Object::set_target): New function.
3745         * options.cc: Include "plugin.h".
3746         (General_options::parse_plugin): New function.
3747         (General_options::General_options): Initialize plugins_ field.
3748         (General_options::add_plugin): New function.
3749         * options.h (Plugin_manager): Declare.
3750         (General_options): Add --plugin option.
3751         (General_options::has_plugins): New function.
3752         (General_options::plugins): New function.
3753         (General_options::add_plugin): New function.
3754         (General_options::plugins_): New field.
3755         * plugin.cc: New file.
3756         * plugin.h: New file.
3757         * readsyms.cc: Include "plugin.h".
3758         (Read_symbols::do_read_symbols): Check for archive before checking
3759         for ELF file.  Call plugin hooks to claim files.
3760         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
3761         from a real object file; force override when processing replacement
3762         files.
3763         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
3764         (Symbol::init_base_object): Likewise.
3765         (Symbol::init_base_output_data): Likewise.
3766         (Symbol::init_base_output_segment): Likewise.
3767         (Symbol::init_base_constant): Likewise.
3768         (Symbol::init_base_undefined): Likewise.
3769         (Symbol::output_section): Assert that object is not a plugin.
3770         (Symbol_table::add_from_pluginobj): New function.
3771         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
3772         undefined.
3773         (Symbol_table::sized_write_globals): Likewise.
3774         (Symbol_table::add_from_pluginobj): Instantiate template.
3775         * symtab.h (Sized_pluginobj): Declare.
3776         (Symbol::in_real_elf): New function.
3777         (Symbol::set_in_real_elf): New function.
3778         (Symbol::in_real_elf_): New field.
3779         (Symbol_table::add_from_pluginobj): New function.
3780
3781         * testsuite/Makefile.am (AM_CFLAGS): New variable.
3782         (LIBDL): New variable.
3783         (LDADD): Add LIBDL.
3784         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
3785         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
3786         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
3787         (MOSTLYCLEANFILES): Likewise.
3788         * testsuite/Makefile.in: Regenerate.
3789         * testsuite/plugin_test.c: New file.
3790         * testsuite/plugin_test_1.sh: New file.
3791         * testsuite/plugin_test_2.sh: New file.
3792
3793 2008-09-16  Ian Lance Taylor  <iant@google.com>
3794
3795         * target-reloc.h (relocate_section): Check whether a symbol is
3796         defined by the ABI before reporting an undefined symbol error.
3797         * target.h (Target::is_defined_by_abi): Make parameter const.
3798         (Target::do_is_defined_by_abi): Likewise.
3799         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
3800         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
3801         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
3802         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
3803         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
3804         * testsuite/Makefile.in: Rebuild.
3805
3806         * fileread.cc (make_view): Add casts to avoid warning.
3807
3808 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
3809
3810         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
3811         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
3812
3813 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
3814
3815         * options.h (General_options::output_is_executable): New.
3816         (General_options::output_is_pie): New.
3817         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
3818         for shared libraries.
3819         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
3820
3821 2008-09-11  Chris Demetriou  <cgd@google.com>
3822
3823         * options.h (origin): New -z option.
3824         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
3825         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
3826         in DT_FLAGS_1.
3827
3828 2008-09-05  Cary Coutant  <ccoutant@google.com>
3829
3830         * fileread.cc (File_read::make_view): Add check for attempt to map
3831         beyond end of file.
3832
3833 2008-09-05  Cary Coutant  <ccoutant@google.com>
3834
3835         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
3836         explicit instantiations.
3837
3838 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
3839
3840         PR gold/6858
3841         * options.cc (General_options::finalize): Allow undefined symbols
3842         in shlibs if linking -shared.
3843
3844         PR gold/6859
3845         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
3846         symbols as not needing a dynsym entry.
3847
3848 2008-08-20  Craig Silverstein  <csilvers@google.com>
3849
3850         * fileread.cc (File_read::open): Do not lock the file unless it
3851         was successfully opened.
3852
3853 2008-08-14  Cary Coutant  <ccoutant@google.com>
3854
3855         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
3856         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
3857         * testsuite/tls_test.cc (struct int128): 128-bit struct
3858         for testing TLS relocs with non-zero addend.
3859         (v12): New TLS variable.
3860         (t12): New test.
3861         (t_last): Add check for v12.
3862         * testsuite/tls_test.h (t12): New function.
3863         * testsuite/tls_test_main.cc (thread_routine): Call new test.
3864
3865 2008-08-13  Ian Lance Taylor  <iant@google.com>
3866
3867         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
3868         set tls_segment_ or relro_segment_.
3869         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
3870         when appropriate.
3871         * output.h (Output_section::clear_is_relro): New function.
3872         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
3873         sections specially even when output_data_ is empty.
3874         (Output_segment::maximum_alignment): When first section is relro,
3875         only force alignment for PT_LOAD segments.
3876         * script.cc (script_data_segment_align): New function.
3877         (script_data_segment_relro_end): New function.
3878         * script-c.h (script_data_segment_align): Declare.
3879         (script_data_segment_relro_end): Declare.
3880         * script-sections.h (class Script_sections): Declare
3881         data_segment_align and data_segment_relro_end.  Add fields
3882         segment_align_index_ and saw_relro_end_.
3883         * script-sections.cc (class Sections_element): Add set_is_relro
3884         virtual function.  Add new bool* parameter to place_orphan_here.
3885         Add get_output_section virtual function.
3886         (class Output_section_definition): Add set_is_relro.  Add new
3887         bool* parameter to place_orphan_here.  Add get_output_section.
3888         Add is_relro_ field.
3889         (Output_section_definition::Output_section_definition): Initialize
3890         evaluated_address_, evaluated_load_address, evaluated_addralign_,
3891         and is_relro_ fields.
3892         (Output_section_definition::place_orphan_here): Add is_relro
3893         parameter.
3894         (Output_section_definition::set_section_addresses): Set relro for
3895         output section.
3896         (Output_section_definition::alternate_constraint): Likewise.
3897         (class Orphan_output_section): Add new bool* parameter to
3898         place_orphan_here.  Add get_output_section.
3899         (Orphan_output_section::place_orphan_here): Add is_relro
3900         parameter.
3901         (Script_sections::Script_sections): Initialize
3902         data_segment_align_index_ and saw_relro_end_.
3903         (Script_sections::data_segment_align): New function.
3904         (Script_sections::data_segment_relro_end): New function.
3905         (Script_sections::place_orphan): Set or clear is_relro.
3906         (Script_sections::set_section_addresses): Force alignment of first
3907         TLS section.
3908         * yyscript.y (exp): Call script_data_segment_align and
3909         script_data_segment_relro_end.
3910         * testsuite/relro_script_test.t: New file.
3911         * testsuite/relro_test.cc (using_script): Declare.
3912         (t1, t2): Test using_script.
3913         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
3914         (relro_script_test_SOURCES): Define.
3915         (relro_script_test_DEPENDENCIES): Define.
3916         (relro_script_test_LDFLAGS): Define.
3917         (relro_script_test_LDADD): Define.
3918         (relro_script_test.so): New target.
3919         * testsuite/Makefile.in: Rebuild.
3920
3921 2008-08-06  Cary Coutant <ccoutant@google.com>
3922
3923         * archive.cc (Archive::total_archives, Archive::total_members)
3924         (Archive::total_members_loaded): New variables.
3925         (Archive::setup): Add parameter.  Add option to preread
3926         archive symbols.
3927         (Archive::read_armap): Add counter.
3928         (Archive::get_file_and_offset): New function.
3929         (Archive::get_elf_object_for_member): New function.
3930         (Archive::read_all_symbols): New function.
3931         (Archive::read_symbols): New function.
3932         (Archive::add_symbols): Add counters.
3933         (Archive::include_all_members): Use armap to find members if it's
3934         already built.
3935         (Archive::include_member): Skip reading symbols if already read.
3936         Factored code into Archive::get_file_and_offset and
3937         Archive::get_elf_object_for_member.  Changed call to
3938         Mapfile::report_include_archive_member.
3939         (Archive::print_stats): New function.
3940         * archive.h: Declare Object and Read_symbols_data classes.
3941         (Archive::Archive): Add initializers for new members.
3942         (Archive::setup): Add parameter.
3943         (Archive::print_stats): New function.
3944         (Archive::total_archives, Archive::total_members)
3945         (Archive::total_members_loaded): New variables.
3946         (Archive::get_file_and_offset): New function.
3947         (Archive::get_elf_object_for_member): New function.
3948         (Archive::read_all_symbols): New function.
3949         (Archive::read_symbols): New function.
3950         (Archive::Archive_member): New class.
3951         (Archive::members_): New member.
3952         (Archive::num_members_): New member.
3953         * main.cc: Include archive.h.
3954         (main): Call Archive::print_stats.
3955         * mapfile.cc (Mapfile::report_include_archive_member): Delete
3956         archive parameter; member_name is now the fully-decorated name.
3957         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
3958         * options.h: (General_options): Add --preread-archive-symbols option.
3959         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
3960         Archive::setup.
3961
3962 2008-08-04  Ian Lance Taylor  <iant@google.com>
3963
3964         * symtab.h (Symbol::use_plt_offset): New function.
3965         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
3966         * powerpc.cc (Relocate::relocate): Likewise.
3967         * sparc.cc (Relocate::relocate): Likewise.
3968         * x86_64.cc (Relocate::relocate): Likewise.
3969         * testsuite/weak_plt.sh: New test.
3970         * testsuite/weak_plt_main.cc: New test.
3971         * testsuite/weak_plt_shared.cc: New test.
3972         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
3973         (check_PROGRAMS): Add weak_plt.
3974         (check_DATA): Add weak_plt_shared.so.
3975         (weak_plt_main_pic.o, weak_plt): New targets.
3976         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
3977         * testsuite/Makefile.in: Rebuild.
3978
3979         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
3980         gcctestdir/ld.
3981         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
3982         * testsuite/Makefile.in: Rebuild.
3983
3984 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
3985
3986         * Makefile.am (POTFILES.in): Set LC_ALL=C.
3987         * Makefile.in: Regenerate.
3988         * po/POTFILES.in: Regenerate.
3989
3990 2008-07-29  Ian Lance Taylor  <iant@google.com>
3991
3992         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
3993         symbols before other symbols.
3994         * testsuite/script_test_2.cc (test_addr): Declare.
3995         (test_addr_alias): Declare.
3996         (main): Check that test_addr and test_addr_alias have the right
3997         values.
3998         * testsuite/script_test_2.t: Define test_addr_alias and
3999         test_addr.
4000
4001 2008-07-24  Ian Lance Taylor  <iant@google.com>
4002
4003         PR 5990
4004         * descriptors.cc: New file.
4005         * descriptors.h: New file.
4006         * gold-threads.h (class Hold_optional_lock): New class.
4007         * fileread.cc: Include "descriptors.h".
4008         (File_read::~File_read): Release descriptor rather than closing
4009         it.
4010         (File_read::open) [file]: Call open_descriptor rather than open.
4011         Set is_descriptor_opened_.
4012         (File_read::open) [memory]: Assert that descriptor is not open.
4013         (File_read::reopen_descriptor): New function.
4014         (File_read::release): Release descriptor.
4015         (File_read::do_read): Make non-const.  Reopen descriptor.
4016         (File_read::read): Make non-const.
4017         (File_read::make_view): Reopen descriptor.
4018         (File_read::do_readv): Likewise.
4019         * fileread.h (class File_read): Add is_descriptor_opened_ field.
4020         Update declarations.
4021         * layout.cc: Include "descriptors.h".
4022         (Layout::create_build_id): Use open_descriptor rather than open.
4023         * output.cc: Include "descriptors.h".
4024         (Output_file::open): Use open_descriptor rather than open.
4025         * archive.cc (Archive::const_iterator): Change Archive to be
4026         non-const.
4027         (Archive::begin, Archive::end): Make non-const.
4028         (Archive::count_members): Likewise.
4029         * archive.h (class Archive): Update declarations.
4030         * object.h (Object::read): Make non-const.
4031         * Makefile.am (CCFILES): Add descriptors.cc.
4032         (HFILES): Add descriptors.h.
4033         * Makefile.in: Rebuild.
4034
4035         PR 6716
4036         * gold.h: Always include <clocale>.  Add Solaris workarounds
4037         following code in binutils/sysdep.h.
4038
4039         PR 6048
4040         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
4041         this->eh_frame_hdr_ is NULL before using it.
4042
4043         * dynobj.cc (Versions::Versions): Update comment.
4044
4045         * dynobj.cc (Versions::Versions): If there is an soname, use it as
4046         the base version name.
4047
4048         * stringpool.cc (Stringpool_template::add_with_length): Set key to
4049         array size plus one.
4050         (Stringpool_template::set_string_offsets): Subtract one from key
4051         before using it as an array index.
4052         (Stringpool_template::get_offset_with_length): Likewise.
4053         (Stringpool_template::write_to_buffer): Likewise.
4054         * stringpool.h (Stringpool_template::get_offset_from_key):
4055         Likewise.
4056
4057 2008-07-23  Ian Lance Taylor  <iant@google.com>
4058
4059         PR 6658
4060         * object.h (Merged_symbol_value::value): Do our best to handle a
4061         negative addend.
4062
4063         PR 6647
4064         * script.cc (Version_script_info::get_versions): Don't add empty
4065         version tag to return value.
4066         (Version_script_info::get_symbol_version_helper): Change return
4067         type to bool.  Add pversion parameter.  Change all callers.
4068         (script_register_vers_node): Don't require a non-NULL tag.
4069         * script.h (class Version_script_info): Update declarations.
4070         (Version_script_info::get_symbol_version): Change return type to
4071         bool.  Add version parameter.  Change all callers.
4072         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
4073         handling.  Handle an empty version from a version script.
4074         (Symbol_table::define_special_symbol): Likewise.
4075         * testsuite/ver_test_10.script: New file.
4076         * testsuite/ver_test_10.sh: New file.
4077         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
4078         (check_DATA): Add ver_test_10.syms.
4079         (ver_test_10.syms, ver_test_10.so): New target.
4080         * testsuite/Makefile.in: Rebuild.
4081
4082 2008-07-23  Simon Baldwin  <simonb@google.com>
4083
4084         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
4085         to zero for undefined symbols from dynamic libraries.
4086
4087 2008-07-23  Ian Lance Taylor  <iant@google.com>
4088
4089         * symtab.cc (Symbol_table::resolve): Remove version parameter.
4090         Change all callers.
4091         * symtab.h (class Symbol_table): Update declaration.
4092         * testsuite/ver_test_9.cc: New file.
4093         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
4094         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
4095         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
4096         (ver_test_9.so, ver_test_9.o): New targets.
4097         * testsuite/Makefile.in: Rebuild.
4098
4099 2008-07-22  Ian Lance Taylor  <iant@google.com>
4100
4101         * options.h (class General_options): Define --check-sections.
4102         * layout.cc (Layout::set_segment_offsets): Handle
4103         --check-sections.
4104
4105         * options.h (class General_options): Define -n/--nmagic and
4106         -N/--omagic.
4107         * options.cc (General_options::finalize): For -n/--nmagic or
4108         -N/--omagic, set -static.
4109         * layout.cc (Layout::attach_allocated_section_to_segment): If
4110         -N/--omagic, don't put read-only and read-write sections in
4111         different segments.
4112         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
4113         finding a read-only segment.
4114         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
4115         don't set the minimum segment alignment to the common page size,
4116         and don't set the file offset to the address modulo the page size.
4117         * script-sections.cc (Script_sections::create_segments): If
4118         -n/--omagic, don't put read-only and read-write sections in
4119         different segments.
4120
4121         * cref.cc: New file.
4122         * cref.h: New file.
4123         * options.h (class General_options): Add --print-symbol-counts.
4124         * main.cc (main): Issue defined symbol report if requested.
4125         * archive.cc (Archive::interpret_header): Make into a const member
4126         function.
4127         (Archive::add_symbols): Call Input_objects::archive_start and
4128         archive_stop.
4129         (Archive::const_iterator): Define new class.
4130         (Archive::begin, Archive::end): New functions.
4131         (Archive::include_all_members): Rewrite to use iterator.
4132         (Archive::count_members): New function.
4133         * archive.h (class Archive): Update declarations.
4134         (Archive::filename): New function.
4135         * object.cc: Include "cref.h".
4136         (Sized_relobj::Sized_relobj): Initialize defined_count_.
4137         (Sized_relobj::do_get_global_symbol_counts): New function.
4138         (Input_objects::add_object): Add object to cross-referencer.
4139         (Input_objects::archive_start): New function.
4140         (Input_objects::archive_stop): New function.
4141         (Input_objects::print_symbol_counts): New function.
4142         * object.h: Declare Cref and Archive.
4143         (Object::get_global_symbol_counts): New function.
4144         (Object::do_get_global_symbol_counts): New pure virtual function.
4145         (class Sized_relobj): Add defined_count_ field.  Update
4146         declarations.
4147         (class Input_objects): Add cref_ field.  Update constructor.
4148         Update declarations.
4149         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
4150         defined_count_.
4151         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
4152         symbol counts.
4153         (Sized_dynobj::do_get_global_symbol_counts): New function.
4154         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
4155         defined_count_.  Update declarations.  Define Symbols typedef.
4156         * symtab.cc (Symbol_table::add_from_relobj): Add defined
4157         parameter.  Change all callers.
4158         (Symbol_table::add_from_dynobj): Add sympointers and defined
4159         parameters.  Change all callers.
4160         * symtab.h (class Symbol_table): Update declarations.
4161         * Makefile.am (CCFILES): Add cref.cc.
4162         (HFILES): Add cref.h.
4163         * Makefile.in: Rebuild.
4164
4165 2008-07-22  Simon Baldwin  <simonb@google.com>
4166
4167         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
4168         to zero when writing undefined symbols.
4169
4170 2008-07-22  Ian Lance Taylor  <iant@google.com>
4171
4172         * output.cc (Output_section::add_input_section): Don't try to
4173         merge empty merge sections.
4174
4175 2008-07-21  Craig Silverstein  <csilvers@google.com>
4176
4177         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
4178         Include symbol version in error message.
4179
4180 2008-07-20  Chris Demetriou  <cgd@google.com>
4181
4182         * configure.ac (gold_cv_c_random_seed): New configured variable.
4183         (RANDOM_SEED_CFLAGS): New substituted variable.
4184         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
4185         * configure: Rebuild.
4186         * Makefile.in: Likewise.
4187         * testsuite/Makefile.in: Likewise.
4188
4189 2008-07-18  Ian Lance Taylor  <iant@google.com>
4190
4191         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
4192         where we see NAME/NULL and NAME/VERSION  as separate symbols.
4193         * testsuite/ver_test_main.cc (main): Call t4.
4194         (t4, t4_2a): Define.
4195         * testsuite/ver_test_2.cc (t4_2): Define.
4196         * testsuite/ver_test_2.script: Put t4_2a in VER2.
4197         * testsuite/ver_test_4.cc (t4_2a): Define.
4198         * testsuite/ver_test_4.script: Put t4_2a in VER2.
4199         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
4200
4201 2008-07-17  Ian Lance Taylor  <iant@google.com>
4202
4203         * dynobj.cc (Versions::add_def): If we give an error about a
4204         missing version, go ahead and create the version anyhow.
4205
4206 2008-07-10  Ian Lance Taylor  <iant@google.com>
4207
4208         Handle output sections with more than 0x7fffffff bytes.
4209         * object.h (class Relobj): Change map_to_output_ to
4210         output_sections_, and just keep a section pointer.  Change all
4211         uses.  Move comdat group support to Sized_relobj.
4212         (Relobj::is_section_specially_mapped): Remove.
4213         (Relobj::output_section): Remove poff parameter.  Change all
4214         callers.
4215         (Relobj::output_section_offset): New function.
4216         (Relobj::set_section_offset): Rewrite.
4217         (Relobj::map_to_output): Remove.
4218         (Relobj::output_sections): New function.
4219         (Relobj::do_output_section_offset): New pure virtual function.
4220         (Relobj::do_set_section_offset): Likewise.
4221         (class Sized_relobj): Add section_offsets_ field.  Add comdat
4222         group support from Relobj.  Update declarations.
4223         (Sized_relobj::get_output_section_offset): New function.
4224         (Sized_relobj::do_output_section_offset): New function.
4225         (Sized_relobj::do_set_section_offset): New function.
4226         * object.cc (Relobj::output_section_address): Remove.
4227         (Sized_relobj::Sized_relobj): Initialize new fields.
4228         (Sized_relobj::include_section_group): Cast find_kept_object to
4229         Sized_relobj.
4230         (Sized_relobj::include_linkonce_section): Likewise.
4231         (Sized_relobj::do_layout): Use separate arrays for output section
4232         and output offset.
4233         (Sized_relobj::do_count_local_symbols): Change map_to_output to
4234         output_sections.
4235         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
4236         output_sections and section_offsets.
4237         (Sized_relobj::write_local_symbols): Likewise.
4238         (map_to_kept_section): Compute output address directly.
4239         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
4240         output_sections and section_offsets.
4241         (Sized_relobj::write_sections): Likewise.
4242         (Sized_relobj::relocate_sections): Likewise.
4243         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
4244         * output.h (class Output_reloc): Update declarations.  Change
4245         u2_.relobj to Sized_relobj*.
4246         (class Output_data_reloc): Change add functions to use
4247         Sized_relobj*.
4248         * output.cc (Output_reloc::Output_reloc): Change relobj to
4249         Sized_relobj*.
4250         (Output_reloc::local_section_offset): Change return type to
4251         Elf_Addr.  Use get_output_section_offset.
4252         (Output_reloc::get_address): Likewise.
4253         (Output_section::is_input_address_mapped): Don't call
4254         is_section_specially_mapped.
4255         (Output_section::output_offset): Likewise.
4256         (Output_section::output_address): Likewise.
4257         (Output_section::starting_output_address): Likewise.
4258         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
4259         parameter to Sized_relobj*.
4260         (Copy_relocs::need_copy_reloc): Likewise.
4261         (Copy_relocs::save): Likewise.
4262         * copy-relocs.h (class Copy_relocs): Update declarations.
4263         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
4264         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
4265         * target-reloc.h (relocate_for_relocatable): Change
4266         offset_in_output_section type to Elf_Addr.  Change code that uses
4267         it as well.
4268         * layout.cc (Layout::layout): Always set *off.
4269         * mapfile.cc (Mapfile::print_input_section): Use
4270         output_section_offset.
4271         * i386.cc (Target_i386::copy_reloc): Change object parameter to
4272         Sized_relobj*.
4273         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
4274         * sparc.cc (Target_sparc::copy_reloc): Likewise.
4275         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
4276
4277 2008-07-03  Ian Lance Taylor  <iant@google.com>
4278
4279         * layout.cc (Layout::include_section): Do not discard unrecognized
4280         SHT_STRTAB sections.
4281
4282 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
4283
4284         * script.cc (Lex::can_continue_name): Make '?' allowable in
4285         version-script names.
4286         * testsuite/version_script.map: Change glob pattern to use '?'
4287
4288 2008-06-30  Manish Singh  <yosh@gimp.org>
4289
4290         PR 6585
4291         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
4292         Correct typo.
4293
4294 2008-06-30  Ian Lance Taylor  <iant@google.com>
4295
4296         PR 6660
4297         PR 6682
4298         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
4299         versions]: Don't try to read the value in the contents, since we
4300         don't use it.  Use the template endianness when writing.
4301
4302 2008-06-25  Cary Coutant  <ccoutant@google.com>
4303
4304         * fileread.cc (File_read::make_view): Assert on zero-length view.
4305         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
4306         symbol table when there are no symbols to read.
4307
4308 2008-06-23  Craig Silverstein  <csilvers@google.com>
4309
4310         * version.cc (version_string): Bump to 1.7
4311
4312 2008-06-18  Craig Silverstein  <csilvers@google.com>
4313
4314         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
4315         constant 0xFFFF to type Valtype.
4316         (Powerpc_relocate_functions::rel16_ha): Likewise.
4317
4318 2008-06-17  Ian Lance Taylor  <iant@google.com>
4319
4320         * output.h (Output_section::Input_section): Initialize p2align_ to
4321         zero for Output_section_data constructors.
4322         (Output_section::Input_section::addralign): If not an input
4323         section, return the alignment of the Output_section_data.
4324         * testsuite/copy_test.cc: New file.
4325         * testsuite/copy_test_1.cc: New file.
4326         * testsuite/copy_test_2.cc: New file.
4327         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
4328         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
4329         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
4330         (copy_test_1_pic.o, copy_test_1.so): New targets.
4331         (copy_test_2_pic.o, copy_test_2.so): New targets.
4332         * testsuite/Makefile.in: Rebuild.
4333
4334         * script-sections.cc (Script_sections::place_orphan): Initialize
4335         local variable exact.
4336
4337 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
4338
4339         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
4340
4341 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
4342             David S. Miller  <davem@davemloft.net>
4343
4344         * powerpc.cc: New file.
4345         * Makefile.am (TARGETSOURCES): Add powerpc.cc
4346         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
4347         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
4348         * Makefile.in: Rebuild.
4349
4350 2008-06-09  Ian Lance Taylor  <iant@google.com>
4351
4352         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
4353         <exception>.
4354         (throwing, orig_terminate): New static variables.
4355         (terminate_handler): New static function.
4356         (t2): Set terminate handler.
4357
4358 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
4359
4360         PR 6584
4361         * binary.cc (Binary_to_elf::sized_convert): Fix .data
4362         alignment.
4363
4364 2008-05-30  Cary Coutant  <ccoutant@google.com>
4365
4366         * archive.cc (Archive::include_all_members) Correct to step
4367         over symbol table and extended name table in thin archives.
4368
4369 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
4370
4371         PR 6407
4372         * target-reloc.h (relocate_for_relocatable): Fix new_offset
4373         calculation.
4374
4375 2008-05-28  Caleb Howe  <cshowe@google.com>
4376
4377         * reduced_debug_output.cc: New file.
4378         * reduced_debug_output.h: New file.
4379         * options.h (class General_options): Add --strip-debug-non-line.
4380         * options.cc (General_options::finalize): Add strip_debug_non_line
4381         to the strip heirarchy.
4382         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
4383         fields.
4384         * layout.cc: Include "reduced_debug_output.h".
4385         (Layout::Layout): Initialize new fields.
4386         (line_only_debug_sections): New static array.
4387         (is_lines_only_debug_sections): New static inline function.
4388         (Layout::include_section): Handle --strip-debug-non-line.
4389         (Layout::make_output_section): If --strip-debug-non-line, build
4390         new output sections for .debug_abbrev and .debug_info.
4391         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
4392         gold.  Warn about possible overflow.
4393         (read_signed_LEB_128): Likewise.
4394         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
4395         (read_signed_LEB_128): Declare.
4396         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
4397         (HFILES): Add reduced_debug_output.h.
4398         * Makefile.in: Rebuild.
4399
4400 2008-05-21  Ian Lance Taylor  <iant@google.com>
4401
4402         * mapfile.cc: New file.
4403         * mapfile.h: New file.
4404         * options.h (class General_options): Add -M/--print-map and -Map.
4405         * options.cc (General_options::finalize): Make -M equivalent to
4406         -Map -.
4407         * main.cc: Include <cstdio> and "mapfile.h".
4408         (main): Open mapfile if requested.
4409         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
4410         constructor.  Change caller.
4411         (queue_initial_tasks): Add mapfile parameter.  Change caller.
4412         (queue_middle_tasks): Likewise.
4413         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
4414         declarations.
4415         * archive.cc: Include "mapfile.h".
4416         (Archive::add_symbols): Add mapfile parameter.  Change all
4417         callers.  Pass mapfile, symbol, and reason to include_member.
4418         (Archive::include_all_members): Add mapfile parameter.  Change all
4419         callers.
4420         (Archive::include_member): Add mapfile, sym, and why parameters.
4421         Change all callers.  Report inclusion to map file.
4422         * archive.h: Include "fileread.h".
4423         (class Archive): Update declarations.
4424         (Archive::file): New const method.
4425         (class Add_archive_symbols): Add mapfile_ field.  Update
4426         constructor.  Change all callers.
4427         * readsyms.h (class Read_symbols): Likewise.
4428         (class Finish_group): Likewise.
4429         (class Read_script): Likewise.
4430         * common.cc: Include "mapfile.h".
4431         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
4432         all callers.
4433         (Symbol_table::do_allocate_commons): Likewise.
4434         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
4435         symbol allocation to mapfile.
4436         * common.h (class Allocate_commons_task): Add mapfile_ field.
4437         Update constructor.  Change all callers.
4438         * symtab.h (class Symbol_table): Update declarations.
4439         * layout.cc: Include "mapfile.h".
4440         (Layout_task_runner::run): Print information to mapfile.
4441         (Layout::create_gold_note): Change Output_data_fixed_space to
4442         Output_data_zero_fill.
4443         (Layout::create_build_id): Likewise.
4444         (Layout::print_to_mapfile): New function.
4445         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
4446         constructor.  Change caller.
4447         (class Layout): Declare print_to_mapfile.
4448         * output.cc (Output_section::Input_section::print_to_mapfile): New
4449         function.
4450         (Output_section::add_input_section): If producing a map, always
4451         add to input_sections_ list.
4452         (Output_section::do_print_to_mapfile): New function.
4453         (Output_segment::print_sections_to_mapfile): New function.
4454         (Output_segment::print_section_list_to_mapfile): New function.
4455         * output.h: Include "mapfile.h".
4456         (Output_data::print_to_mapfile): New function.
4457         (Output_data::do_print_to_mapfile): New virtual function.
4458         (Output_segment_headers::do_print_to_mapfile): New function.
4459         (Output_file_header::do_print_to_mapfile): New function.
4460         (Output_data_const::do_print_to_mapfile): New function.
4461         (class Output_data_const_buffer): Add map_name_ field.  Update
4462         constructor.  Change all callers.  Add do_print_to_mapfile
4463         function.
4464         (class Output_data_fixed_space): Likewise.
4465         (class Output_data_space): Likewise.
4466         (class Output_data_zero_fill): New class.
4467         (Output_data_strtab::do_print_to_mapfile): New function.
4468         (Output_data_reloc_base::do_print_to_mapfile): New function.
4469         (Output_relocatable_relocs::do_print_to_mapfile): New function.
4470         (Output_data_group::do_print_to_mapfile): New function.
4471         (Output_data_got::do_print_to_mapfile): New function.
4472         (Output_data_dynamic::do_print_to_mapfile): New function.
4473         (Output_symtab_xindex::do_print_to_mapfile): New function.
4474         (class Output_section): Declare do_print_to_mapflie.  Declare
4475         print_to_mapfile in Input_section.
4476         (class Output_segment): Declare new functions.
4477         * object.h (Sized_relobj::symbol_count): New function.
4478         * script-sections.cc
4479         (Output_section_element_dot_assignment::set_section_addresses):
4480         Change Output_data_fixed_space to Output_data_zero_fill.
4481         (Output_data_expression::do_print_to_mapfile): New function.
4482         * script.cc (read_input_script): Add mapfile parameter.  Change
4483         all callers.
4484         * script.h (read_input_script): Update declaration.
4485         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
4486         (Eh_frame::do_print_to_mapfile): New function.
4487         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
4488         (Output_merge_string::do_print_to_mapfile): New function.
4489         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
4490         function.
4491         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
4492         function.
4493         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
4494         function.
4495         * Makefile.am (CCFILES): Add mapfile.cc.
4496         (HFILES): Add mapfile.h.
4497         * Makefile.in: Rebuild.
4498
4499 2008-05-19  Ian Lance Taylor  <iant@google.com>
4500
4501         * options.h (class General_options): Add -z relro.
4502         * layout.cc (Layout::Layout): Initialize relro_segment_.
4503         (Layout::add_output_section_data): Return the output section.
4504         (Layout::make_output_section): Rcognize relro sections and mark
4505         them appropriately.
4506         (Layout::attach_allocated_section_to_segment): Put relro sections
4507         in a PT_GNU_RELRO segment.
4508         (Layout::create_initial_dynamic_sections): Mark the .dynamic
4509         section as relro.
4510         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
4511         PT_TLS segments.
4512         (Layout::linkonce_mapping): Map d.rel.ro.local to
4513         .data.rel.ro.local.
4514         (Layout::output_section_name): Us .data.rel.ro.local for any
4515         section which begins with that.
4516         * layout.h (class Layout): Update add_output_section_data
4517         declaration.  Add relro_segment_ field.
4518         * output.cc (Output_section::Output_section): Initialize is_relro_
4519         and is_relro_local_ fields.
4520         (Output_segment::add_output_section): Group relro sections.
4521         (Output_segment::is_first_section_relro): New function.
4522         (Output_segment::maximum_alignment): If there is a relro section,
4523         align the segment to the common page size.
4524         (Output_segment::set_section_addresses): Track whether we are
4525         looking at relro sections.  If the last section is a relro
4526         section, align to the common page size.
4527         (Output_segment::set_section_list_addresses): Add in_relro
4528         parameter.  Change all callers.  Align to the page size when
4529         moving from relro to non-relro section.
4530         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
4531         segment.
4532         * output.h (class Output_section): Add is_relro_ and
4533         is_relro_local_ fields.
4534         (Output_section::is_relro): New function.
4535         (Output_section::set_is_relro): New function.
4536         (Output_section::is_relro_local): New function.
4537         (Output_section::set_is_relro_local): New function.
4538         (class Output_segment): Update declarations.
4539         * i386.cc (Target_i386::got_section): Mark .got section as relro.
4540         * sparc.cc (Target_sparc::got_section): Likewise.
4541         * x86_64.cc (Target_x86_64::got_section): Likewise.
4542         * testsuite/relro_test_main.cc: New file.
4543         * testsuite/relro_test.cc: New file.
4544         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
4545         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
4546         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
4547         (relro_test.so, relro_test_pic.o): New targets.
4548         * testsuite/Makefile.in: Rebuild.
4549
4550 2008-05-16  Ian Lance Taylor  <iant@google.com>
4551
4552         * output.cc (Output_segment::add_output_section): Remove front
4553         parameter.
4554         * output.h (class Output_segment): Remove
4555         add_initial_output_section and overloaded add_output_section.
4556         Update declaration of remaining add_output_section.
4557         * layout.cc (Layout::create_interp): Call add_output_section
4558         rather than add_initial_output_section.
4559         (Layout::finish_dynamic_section): Likewise.
4560
4561         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
4562         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
4563         know the dynamic type.
4564         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
4565         field.  Initialize it in constructor.
4566         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
4567         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
4568         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
4569         reloc.
4570
4571         * output.cc (Output_reloc::get_address): Change return type to
4572         Elf_Addr.
4573         * output.h (class Output_reloc): Update get_address declaration.
4574         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
4575         for section addresses.
4576
4577 2008-05-09  Ian Lance Taylor  <iant@google.com>
4578
4579         PR 6493
4580         * gold.cc (gold_nomem): Use return value of write.
4581
4582 2008-05-08  Ian Lance Taylor  <iant@google.com>
4583
4584         * symtab.c (Symbol::init_base_output_data): Add version
4585         parameter.  Change all callers.
4586         (Symbol::init_base_output_segment): Likewise.
4587         (Symbol::init_base_constant): Likewise.
4588         (Symbol::init_base_undefined): Likewise.
4589         (Sized_symbol::init_output_data): Likewise.
4590         (Sized_symbol::init_output_segment): Likewise.
4591         (Sized_symbol::init_constant): Likewise.
4592         (Sized_symbol::init_undefined): Likewise.
4593         (Symbol_table::do_define_in_output_data): If the new symbol has a
4594         version, mark it as the default.
4595         (Symbol_table::do_define_in_output_segment): Likewise.
4596         (Symbol_table::do_define_as_constant): Likewise.
4597         * symtab.h (class Symbol): Update declarations.
4598         (class Sized_symbol): Likewise.
4599         * resolve.cc (Symbol::override_version): New function.
4600         (Symbol::override_base): Call override_version.
4601         (Symbol::override_base_with_special): Likewise.
4602         * testsuite/ver_script_8.script: New file.
4603         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
4604         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
4605         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
4606         (ver_test_8_1.so, ver_test_8_2.so): New targets.
4607
4608 2008-05-06  Ian Lance Taylor  <iant@google.com>
4609
4610         PR 6049
4611         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
4612         functions.
4613         (class General_options): Remove existing --undefined, and add
4614         --no-undefined instead.  Add new --undefined as synonym for -u.
4615         * archive.cc (Archive::add_symbols): Check whether symbol was
4616         named with -u.
4617         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
4618         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
4619         all uses.  Add IS_UNDEFINED.  Update declarations to split
4620         different versions of init_base.  Declare init_base_undefined.
4621         (Symbol::is_defined): Handle IS_UNDEFINED.
4622         (Symbol::is_undefined): Likewise.
4623         (Symbol::is_weak_undefined): Call is_undefined.
4624         (Symbol::is_absolute): Handle IS_CONSTANT.
4625         (class Sized_symbol): Update declarations to split different
4626         versions of init.  Declare init_undefined.
4627         (class Symbol_table): Declare new functions.
4628         * symtab.cc (Symbol::init_base_object): Rename from init_base.
4629         Change all callers.
4630         (Symbol::init_base_output_data): Likewise.
4631         (Symbol::init_base_output_segment): Likewise.
4632         (Symbol::init_base_constant): Likewise.
4633         (Symbol::init_base_undefined): New function.
4634         (Sized_symbol::init_object): Rename from init.  Change all
4635         callers.
4636         (Sized_symbol::init_output_data): Likewise.
4637         (Sized_symbol::init_output_segment): Likewise.
4638         (Sized_symbol::init_constant): Likewise.
4639         (Sized_symbol::init_undefined): New function.
4640         (Symbol_table::add_undefined_symbols_from_command_line): New
4641         function.
4642         (Symbol_table::do_add_undefined_symbols_from_command_line): New
4643         function.
4644         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
4645         (Symbol::output_section): Likewise.
4646         (Symbol::set_output_section): Likewise.
4647         (Symbol_table::sized_finalize_symbol): Likewise.
4648         (Symbol_table::sized_write_globals): Likewise.
4649         * resolve.cc (Symbol_table::should_override): Likewise.
4650         (Symbol::override_base_with_special): Likewise.
4651
4652         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
4653         symbol, change it to have default visibility.
4654         * testsuite/protected_1.cc: New file.
4655         * testsuite/protected_2.cc: New file.
4656         * testsuite/protected_3.cc: New file.
4657         * testsuite/protected_main_1.cc: New file.
4658         * testsuite/protected_main_2.cc: New file.
4659         * testsuite/protected_main_3.cc: New file.
4660         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
4661         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
4662         (protected_1_LDFLAGS, protected_1_LDADD): Define.
4663         (protected_1.so): New target.
4664         (protected_1_pic.o, protected_2_pic.o): New targets.
4665         (protected_3_pic.o): New target.
4666         (check_PROGRAMS): Add protected_2.
4667         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
4668         (protected_2_LDFLAGS, protected_2_LDADD): Define.
4669         * testsuite/Makefile.in: Rebuild.
4670
4671         * options.h (DEFINE_var): Add set_user_set_##varname__.
4672         (DEFINE_bool_alias): New macro.
4673         (class General_options): Define -Bstatic using DEFINE_bool_alias
4674         rather than DEFINE_special.  Add --undefined as an alias for -z
4675         defs.
4676         * options.cc (General_options::parse_Bstatic): Remove.
4677
4678         * options.h (class General_options): Add --fatal-warnings.
4679         * main.cc (main): Implement --fatal-warnings.
4680         * errors.h (Errors::warning_count): New function.
4681
4682         * options.h (class General_options): Add -Bsymbolic-functions.
4683         * symtab.h (Symbol::is_preemptible): Check for
4684         -Bsymbolic-functions.
4685
4686 2008-05-05  Ian Lance Taylor  <iant@google.com>
4687
4688         * options.h (DEFINE_bool): For DASH_Z, create the negative option
4689         as noVARNAME rather than no-VARNAME.
4690         (class General_options): Add option -z combreloc.
4691         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
4692         get_address.
4693         (Output_reloc::sort_before) [SHT_REL]: New function.
4694         (Output_reloc::sort_before) [SHT_RELA]: New function.
4695         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
4696         Sort_relocs_comparison.
4697         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
4698         parameter.  Change all callers.
4699         (Output_data_reloc::Output_data_reloc) [both versions]: Add
4700         sort_relocs parameter.  Change all callers.
4701         * output.cc (Output_reloc::get_address): New function, broken out
4702         of write_rel.
4703         (Output_reloc::write_rel): Call it.
4704         (Output_reloc::compare): New function.
4705         (Output_data_reloc_base::do_write): Optionally sort relocs.
4706
4707         * configure.ac: If targ_extra_obj is set, link it in.
4708         * configure.tgt: Initialize all variables.
4709         (x86_64*): Set targ_extra_obj and targ_extra_size.
4710         * configure: Rebuild.
4711
4712         * object.cc (Sized_relobj::include_section_group): Adjust section
4713         indexes read from group data.  Build vector to pass to
4714         layout_group.
4715         * layout.cc (Layout::layout_group): Add flags and shndxes
4716         parameters.  Remove contents parameter.  Change caller.  Update
4717         explicit instantiations.
4718         * layout.h (class Layout): Update layout_group declaration.
4719         * output.cc (Output_data_group::Output_data_group): Add flags and
4720         input_shndxes parameters.  Remove contents parameter.  Change
4721         caller.
4722         (Output_data_group::do_write): Change input_sections_ to
4723         input_shndxes_.
4724         * output.h (class Output_data_group): Update constructor
4725         declaration.  Rename input_sections_ to input_shndxes_.
4726         * testsuite/many_sections_test.cc: Add template.
4727
4728 2008-04-30  Cary Coutant  <ccoutant@google.com>
4729
4730         * target-reloc.h (relocate_section): Fix dead-pointer bug.
4731
4732         * layout.cc (Layout::include_section): Refactored check for debug
4733         info section.
4734         (Layout::add_comdat): Add new parameters.  Change type
4735         of signature parameter.  Add object and shndx to signatures table.
4736         (Layout::find_kept_object): New function.
4737         * layout.h: Include <cstring>.
4738         (Layout::is_debug_info_section): New function.
4739         (Layout::add_comdat): Add new parameters.
4740         (Layout::find_kept_object): New function.
4741         (Layout::Kept_section): New struct.
4742         (Layout::Signatures): Change type of map range.
4743         * object.cc (Relobj::output_section_address): New function.
4744         (Sized_relobj::include_section_group): Add new parameters.  Change
4745         calls to Layout::add_comdat.  Change to build table of kept comdat
4746         groups and table mapping discarded sections to kept sections.
4747         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
4748         (Sized_relobj::do_layout): Change calls to include_section_group and
4749         include_linkonce_section.
4750         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
4751         value to zero when section is discarded.
4752         (Sized_relobj::map_to_kept_section): New function.
4753         * object.h (Relobj::output_section_address): New function.
4754         (Relobj::Comdat_group): New type.
4755         (Relobj::find_comdat_group): New function.
4756         (Relobj::Comdat_group_table): New type.
4757         (Relobj::Kept_comdat_section): New type.
4758         (Relobj::Kept_comdat_section_table): New type.
4759         (Relobj::add_comdat_group): New function.
4760         (Relobj::set_kept_comdat_section): New function.
4761         (Relobj::get_kept_comdat_section): New function.
4762         (Relobj::comdat_groups_): New field.
4763         (Relobj::kept_comdat_sections_): New field.
4764         (Symbol_value::input_value): Update comment.
4765         (Sized_relobj::map_to_kept_section) New function.
4766         (Sized_relobj::include_linkonce_section): Add new parameter.
4767         * target-reloc.h (Comdat_behavior): New type.
4768         (get_comdat_behavior): New function.
4769         (relocate_section): Add code to map a discarded section to the
4770         corresponding kept section when applying a relocation.
4771
4772 2008-04-30  Craig Silverstein  <csilvers@google.com>
4773
4774         * dwarf_reader.cc (next_generation_count): New static var.
4775         (Addr2line_cache_entry): New struct.
4776         (addr2line_cache): New static var.
4777         (Dwarf_line_info::one_addr2line): Added caching.
4778         (Dwarf_line_info::clear_addr2line_cache): New function.
4779         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
4780         cache-size parameter.
4781         (Dwarf_line_info::one_addr2line_cache): New function.
4782         * symtab.cc (Symbol_table::detect_odr_violations): Pass
4783         new cache-size argument to one_addr2line(), and clear cache.
4784
4785 2008-04-28  Cary Coutant  <ccoutant@google.com>
4786
4787         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
4788         R_386_PC8 relocations.
4789
4790 2008-04-23  Ian Lance Taylor  <iant@google.com>
4791
4792         * object.cc (Sized_relobj::include_section_group): Check for
4793         invalid section group.
4794
4795         * object.cc (make_elf_object): Correct test for 64-bit ELF file
4796         header size.
4797
4798         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
4799         than read for file header.
4800         * archive.cc (Archive::include_member): Likewise.
4801
4802 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
4803
4804         * aclocal.m4: Regenerate.
4805         * configure: Regenerate.
4806
4807 2008-04-19  Ian Lance Taylor  <iant@google.com>
4808
4809         * version.cc (version_string): Bump to 1.6.
4810
4811         * testsuite/Makefile.am (many_sections_r_test): New target.
4812         (many_sections_r_test_SOURCES): Remove.
4813         (many_sections_r_test_DEPENDENCIES): Remove.
4814         (many_sections_r_test_LDFLAGS): Remove.
4815         (many_sections_r_test_LDADD): Remove.
4816
4817         * object.cc (Sized_relobj::do_add_symbols): Always pass
4818         local_symbol_count_ to add_from_relobj.
4819
4820         * testsuite/Makefile.am (many_sections_check.h): Only check one in
4821         every thousand variables.
4822         * testsuite/Makefile.in: Rebuild.
4823
4824         * object.cc (Xindex::initialize_symtab_xindex): New function.
4825         (Xindex::read_symtab_xindex): New function.
4826         (Xindex::sym_xindex_to_shndx): New function.
4827         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
4828         available.
4829         (Sized_relobj::do_initialize_xindex): New function.
4830         (Sized_relobj::do_read_symbols): Adjust section links.
4831         (Sized_relobj::symbol_section_and_value): Add is_ordinary
4832         parameter.  Change all callers.
4833         (Sized_relobj::include_section_group): Adjust section links and
4834         symbol section indexes.
4835         (Sized_relobj::do_layout): Adjust section links.
4836         (Sized_relobj::do_count_local_symbols): Adjust section links and
4837         symbol section indexes.
4838         (Sized_relobj::do_finalize_local_symbols): Distinguish between
4839         ordinary and special symbols.
4840         (Sized_relobj::write_local_symbols): Add symtab_xindex and
4841         dynsym_xindex parameters.  Change all callers.  Adjust section
4842         links.  Use SHN_XINDEX when needed.
4843         (Sized_relobj::get_symbol_location_info): Adjust section links.
4844         Don't get fooled by special symbols.
4845         * object.h (class Xindex): Define.
4846         (class Object): Add xindex_ parameter.  Declare virtual functoin
4847         do_initialize_xindex.
4848         (Object::adjust_sym_shndx): New function.
4849         (Object::set_xindex): New protected function.
4850         (class Symbol_value): Add is_ordinary_shndx_ field.
4851         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
4852         (Symbol_value::value): Assert ordinary section.
4853         (Symbol_value::initialize_input_to_output_map): Likewise.
4854         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
4855         Change all callers.
4856         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
4857         all callers.
4858         (class Sized_relobj): Update declarations.
4859         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
4860         parameter.  Change all callers.
4861         (Sized_relobj::adjust_shndx): New function.
4862         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
4863         field.
4864         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
4865         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
4866         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
4867         (Sized_dynobj::read_dynsym_section): Adjust section links.
4868         (Sized_dynobj::read_dynamic): Likewise.
4869         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
4870         section links.
4871         (Sized_dynobj::do_initialize_xindex): New function.
4872         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
4873         do_initialize_xindex.
4874         (Sized_dynobj::adjust_shndx): New function.
4875         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
4876         dynsym_xindex_ fields.
4877         (Layout::finalize): Add a call to set_section_indexes before
4878         creating the symtab sections.
4879         (Layout::set_section_indexes): Don't do anything if the section
4880         already has a section index.
4881         (Layout::create_symtab_sections): Add shnum parameter.  Change
4882         caller.  Create .symtab_shndx section if needed.
4883         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
4884         caller.
4885         (Layout::allocated_output_section_count): New function.
4886         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
4887         needed.
4888         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
4889         fields.  Update declarations.
4890         (Layout::symtab_xindex): New function.
4891         (Layout::dynsym_xindex): New function.
4892         (class Write_symbols_task): Add layout_ field.
4893         (Write_symbols_task::Write_symbols_task): Add layout parameter.
4894         Change caller.
4895         * output.cc (Output_section_headers::Output_section_headers): Add
4896         shstrtab_section parameter.  Change all callers.
4897         (Output_section_headers::do_sized_write): Store overflow values
4898         for section count and section string table section index in
4899         section header zero.
4900         (Output_file_header::do_sized_write): Check for overflow of
4901         section count and section string table section index.
4902         (Output_symtab_xindex::do_write): New function.
4903         (Output_symtab_xindex::endian_do_write): New function.
4904         * output.h (class Output_section_headers): Add shstrtab_section_.
4905         Update declarations.
4906         (class Output_symtab_xindex): Define.
4907         (Output_section::has_out_shndx): New function.
4908         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
4909         field.
4910         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
4911         Change all callers.
4912         (Sized_symbol::init): Likewise.
4913         (Symbol::output_section): Check for ordinary symbol.
4914         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
4915         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
4916         callers.
4917         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
4918         Change all callers.  Simplify handling of symbols from sections
4919         not included in the link.
4920         (Symbol_table::add_from_dynobj): Handle ordinary symbol
4921         distinction.
4922         (Weak_alias_sorter::operator()): Assert that symbols are
4923         ordinary.
4924         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
4925         distinction.
4926         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
4927         parameters.  Change all callers.
4928         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
4929         symbol distinction.  Use SHN_XINDEX when needed.
4930         (Symbol_table::write_section_symbol): Add symtab_xindex
4931         parameter.  Change all callers.
4932         (Symbol_table::sized_write_section_symbol): Likewise.  Use
4933         SHN_XINDEX when needed.
4934         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
4935         declarations.
4936         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
4937         (Symbol::is_defined): Check is_ordinary.
4938         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
4939         (Symbol::is_absolute, Symbol::is_common): Likewise.
4940         (class Sized_symbol): Update declarations.
4941         (class Symbol_table): Update declarations.
4942         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
4943         parameters.  Change all callers.
4944         (Sized_symbol::override): Likewise.
4945         (Symbol_table::override): Likewise.
4946         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
4947         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
4948         is_ordinary, and orig_st_shndx parameters.  Change all callers.
4949         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
4950         to be in an ordinary section.
4951         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
4952         object and is_ordinary parameters.  Change all callers.
4953         (Sized_dwarf_line_info::read_relocs): Add object parameter.
4954         Change all callers.  Don't add undefined or non-ordinary symbols
4955         to reloc_map_.
4956         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
4957         Change all callers.
4958         * dwarf_reader.h (class Sized_dwarf_line_info): Update
4959         declarations.
4960         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
4961         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
4962         (Sized_relobj::relocate_sections): Likewise.
4963         * target-reloc.h (scan_relocs): Adjust section symbol index.
4964         (scan_relocatable_relocs): Likewise.
4965         * i386.cc (Scan::local): Check for ordinary symbols.
4966         * sparc.cc (Scan::local): Likewise.
4967         * x86_64.cc (Scan::local): Likewise.
4968         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
4969         to symbol_section_and_value.
4970         * testsuite/many_sections_test.cc: New file.
4971         * testsuite/Makefile.am (BUILT_SOURCES): Define.
4972         (check_PROGRAMS): Add many_sections_test.
4973         (many_sections_test_SOURCES): Define.
4974         (many_sections_test_DEPENDENCIES): Define.
4975         (many_sections_test_LDFLAGS): Define.
4976         (BUILT_SOURCES): Add many_sections_define.h.
4977         (many_sections_define.h): New target.
4978         (BUILT_SOURCES): Add many_sections_check.h.
4979         (many_sections_check.h): New target.
4980         (check_PROGRAMS): Add many_sections_r_test.
4981         (many_sections_r_test_SOURCES): Define.
4982         (many_sections_r_test_DEPENDENCIES): Define.
4983         (many_sections_r_test_LDFLAGS): Define.
4984         (many_sections_r_test_LDADD): Define.
4985         (many_sections_r_test.o): New target.
4986         * testsuite/Makefile.in: Rebuild.
4987
4988 2008-04-17  Cary Coutant  <ccoutant@google.com>
4989
4990         * errors.cc (Errors::info): New function.
4991         (gold_info): New function.
4992         * errors.h (Errors::info): New function.
4993         * gold.h (gold_info): New function.
4994         * object.cc (Input_objects::add_object): Print trace output.
4995         * options.cc (options::parse_set): New function.
4996         (General_options::parse_wrap): Deleted.
4997         (General_options::General_options): Deleted initializer.
4998         * options.h (options::String_set): New typedef.
4999         (options::parse_set): New function.
5000         (DEFINE_set): New macro.
5001         (General_options::wrap): Changed to use DEFINE_set. Changed
5002         callers of any_wrap_symbols and is_wrap_symbol.
5003         (General_options::trace, General_options::trace_symbol):
5004         New options.
5005         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
5006         (General_options::wrap_symbols_): Deleted.
5007         * symtab.cc (Symbol_table::add_from_object): Print trace output.
5008
5009 2008-04-17  David S. Miller  <davem@davemloft.net>
5010
5011         * options.cc (General_options::parse_V): New function.
5012         * options.h: Add entries for -V and -Qy.
5013
5014 2008-04-17  Ian Lance Taylor  <iant@google.com>
5015
5016         * common.cc (Symbol_table::allocate_commons): Remove options
5017         parameter.  Change caller.
5018         (Symbol_table::do_allocate_commons): Remove options parameter.
5019         Change caller.  Just call do_allocate_commons_list twice.
5020         (Symbol_table::do_allocate_commons_list): New function, broken out
5021         of do_allocate_commons.
5022         * common.h (class Allocate_commons_task): Remove options_ field.
5023         Update constructor.
5024         * symtab.cc (Symbol_table::Symbol_table): Initialize
5025         tls_commons_.
5026         (Symbol_table::add_from_object): Put TLS common symbols on
5027         tls_commons_ list.
5028         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
5029         which are IN_OUTPUT_DATA.
5030         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
5031         allocate_commons and do_allocate_commons declarations.  Declare
5032         do_allocate_commons_list.
5033         * gold.cc (queue_middle_tasks): Update creation of
5034         Allocate_commons_task to not pass options.
5035         * testsuite/Makefile.am (INCLUDES): Add -I.. .
5036         (TLS_TEST_C_FLAGS): New variable.
5037         (tls_test_c_pic.o): New target.
5038         (tls_test_shared.so): Link in tls_test_c_pic.o.
5039         (tls_test_c_pic_ie.o): New target.
5040         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
5041         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
5042         (tls_test_c.o): New target.
5043         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
5044         (tls_pic_test_LDADD): Likewise.
5045         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
5046         (tls_shared_gd_to_ie_test_LDADD): Likewise.
5047         (tls_test_c_gnu2.o): New target.
5048         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
5049         tls_test_c_gnu2.o.
5050         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
5051         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
5052         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
5053         * testsuite/tls_test.cc: Include "config.h".
5054         (t_last): Call t11_last.
5055         * testsuite/tls_test.h (t11, t11_last): Declare.
5056         * testsuite/tls_test_c.c: New file.
5057         * testsuite/tls_test_main.cc (thread_routine): Call t11.
5058         * configure.ac: Check for OpenMP support.
5059         * configure, config.in, Makefile.in: Rebuild.
5060         * testsuite/Makefile.in: Rebuild.
5061
5062 2008-04-16  Cary Coutant  <ccoutant@google.com>
5063
5064         * i386.cc (Target_i386::define_tls_base_symbol): New function.
5065         (Target_i386::tls_base_symbol_defined_): New field.
5066         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
5067         (Target_i386::Scan::global): Likewise.
5068         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
5069         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
5070         (Target_x86_64::tls_base_symbol_defined_): New field.
5071         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
5072         (Target_x86_64::Scan::global): Likewise.
5073
5074 2008-04-16  Cary Coutant  <ccoutant@google.com>
5075
5076         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
5077         (Symbol::needs_plt_entry): Allow weak undefined symbols.
5078         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
5079         building shared libraries.
5080         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
5081         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
5082         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
5083         * testsuite/Makefile.in: Rebuild.
5084         * testsuite/weak_undef.h: New file.
5085         * testsuite/weak_undef_file1.cc: Add extra test cases.
5086         * testsuite/weak_undef_file2.cc: Likewise.
5087         * testsuite/weak_undef_test.cc: Likewise.
5088
5089 2008-04-16  David S. Miller  <davem@davemloft.net>
5090
5091         * sparc.cc (Target_sparc::Scan): Change from struct to class.
5092         Add issued_non_pic_error_ field.  Declare check_non_pic.
5093         (Target_sparc::Scan::check_non_pic): New function.
5094         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
5095         (Target_sparc::Scan::global): Likewise.
5096
5097         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
5098         * configure: Rebuild.
5099
5100         * options.h (DEFINE_enable): New macro.
5101         (new_dtags): New enable option.
5102         (initfirst, interpose, loadfltr, nodefaultlib,
5103         nodelete, nodlopen, nodump): New -z options.
5104         * layout.cc (Layout:finish_dynamic_section): If new
5105         dtags enabled, emit DT_RUNPATH.  Also, emit a
5106         DT_FLAGS_1 containing any specified -z flags.
5107
5108 2008-04-16  Ian Lance Taylor  <iant@google.com>
5109
5110         * copy-relocs.cc: New file.
5111         * copy-relocs.h: New file.
5112         * reloc.cc: Remove Copy_relocs code.
5113         * reloc.h: Likewise.
5114         * reloc-types.h (struct Reloc_types) [both versions]: Add
5115         get_reloc_addend_noerror.
5116         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
5117         variants of add_global which take an addend which must be zero.
5118         * i386.cc: Include "copy-relocs.h".
5119         (class Target_i386): Change type of copy_relocs_ to variable,
5120         update initializer.
5121         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
5122         Change all callers.
5123         (Target_i386::do_finalize_sections): Change handling of
5124         copy_relocs_.
5125         * sparc.cc: Include "copy-relocs.h".
5126         (class Target_sparc): Change type of copy_relocs_ to variable,
5127         update initializer.
5128         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
5129         Change all callers.
5130         (Target_sparc::do_finalize_sections): Change handling of
5131         copy_relocs_.
5132         * x86_64.cc: Include "copy-relocs.h".
5133         (class Target_x86_64): Change type of copy_relocs_ to variable,
5134         update initializer.
5135         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
5136         class.  Change all callers.
5137         (Target_x86_64::do_finalize_sections): Change handling of
5138         copy_relocs_.
5139         * Makefile.am (CCFILES): Add copy-relocs.cc.
5140         (HFILES): Add copy-relocs.h.
5141
5142         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
5143
5144         * testsuite/script_test_4.sh: Permit leading zeroes.
5145
5146 2008-04-15  Ian Lance Taylor  <iant@google.com>
5147
5148         * script-sections.cc (Script_sections::create_segments): Use
5149         header_size_adjustment even when there is enough room for the
5150         headers.
5151         * testsuite/script_test_4.sh: New file.
5152         * testsuite/script_test_4.t: New file.
5153         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
5154         (check_DATA): Add script_test_4.stdout.
5155         (MOSTLYCLEANFILES): Likewise.
5156         (script_test_4): New target.
5157         (script_test_4.stdout): New target.
5158         * testsuite/Makefile.in: Rebuild.
5159
5160         * sparc.cc: Add definitions for Output_data_plt_sparc class
5161         constants.
5162
5163 2008-04-14  David S. Miller  <davem@davemloft.net>
5164
5165         * sparc.cc: New file.
5166         * Makefile.am (TARGETSOURCES): Add sparc.cc
5167         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
5168         * configure.tgt: Document targ_extra_size and
5169         targ_extra_big_endian.  Add entries for sparc-* and
5170         sparc64-*.
5171         * configure.ac: Handle targ_extra_size and
5172         targ_extra_big_endian.
5173         * Makefile.in: Rebuild.
5174         * configure: Likewise.
5175         * po/POTFILES.in: Likewise.
5176         * po/gold.pot: Likewise.
5177
5178 2008-04-14  Ian Lance Taylor  <iant@google.com>
5179
5180         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
5181         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
5182         in the name/type/flags to section mapping.  Don't call
5183         allocate_output_section.
5184         (Layout::choose_output_section): Change parameter from adjust_name
5185         to is_input_section.  Don't permit input sections after sections
5186         are attached to segments.  Don't call allocate_output_section.
5187         (Layout::layout_eh_frame): Call update_flags_for_input_section,
5188         not write_enable_output_section.
5189         (Layout::make_output_section): Don't push to
5190         unattached_section_list_ nor call attach_to_segment.  Call
5191         attach_section_to_segment if sections are attached.
5192         (Layout::attach_sections_to_segments): New function.
5193         (Layout::attach_section_to_segment): New function.
5194         (Layout::attach_allocated_section_to_segment): Rename from
5195         attach_to_segment.  Remove flags parameter.
5196         (Layout::allocate_output_section): Remove function.
5197         (Layout::write_enable_output_section): Remove function.
5198         * layout.h (class Layout): Update for above changes.  Add new
5199         field sections_are_attached_.
5200         * output.h (Output_section::update_flags_for_input_section): New
5201         function.
5202         * output.cc (Output_section::add_input_section): Call
5203         update_flags_for_input_section.
5204         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
5205
5206 2008-04-11  Cary Coutant  <ccoutant@google.com>
5207
5208         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
5209         thought unnecessary.
5210         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
5211
5212 2008-04-11  Ian Lance Taylor  <iant@google.com>
5213
5214         * output.h (class Output_section_data): Remove inline definition
5215         of set_addralign.
5216         * output.cc (Output_section_data::set_addralign): New function.
5217
5218 2008-04-11  Cary Coutant  <ccoutant@google.com>
5219
5220         Add support for TLS descriptors for i386 and x86_64.
5221         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
5222         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
5223         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
5224         GOT_TYPE_TLS_DESC.
5225         (Target_i386::got_mod_index_entry): Remove unnecessary code.
5226         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
5227         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
5228         relocations.
5229         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
5230         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
5231         Fix problem with initial-exec relocations.
5232         (Target_i386::Relocate::relocate_tls): Likewise.
5233         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
5234         relaxation.
5235         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
5236         support for section-plus-offset dynamic table entries.
5237         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
5238         (Output_data_dynamic::Dynamic_entry): Add support for
5239         section-plus-offset dynamic table entries.
5240         (Output_data_dynamic::Classification): Likewise.
5241         (Output_data_dynamic::classification_): Renamed offset_.
5242         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
5243         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
5244         (Target_x86_64::make_plt_section): New function.
5245         (Target_x86_64::reserve_tlsdesc_entries): New function.
5246         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
5247         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
5248         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
5249         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
5250         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
5251         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
5252         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
5253         add extra PLT entry for TLS descriptors.
5254         (Output_data_plt_x86_64::got_): New field.
5255         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
5256         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
5257         fields.
5258         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
5259         descriptors.
5260         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
5261         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
5262         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
5263         R_386_TLS_DESC_CALL relocations.
5264         (Target_x86_64::Scan::global): Likewise.
5265         (Target_x86_64::do_finalize_sections): Add dynamic table entries
5266         for TLS descriptors.
5267         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
5268         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
5269         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
5270         GD-to-IE relaxation.
5271         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
5272         and TLS_DESCRIPTORS.
5273         * Makefile.in: Rebuild.
5274         * configure: Rebuild.
5275         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
5276         (tls_test_shared2.so): New target.
5277         (tls_shared_gd_to_ie_test_SOURCES): New variable.
5278         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
5279         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
5280         (tls_shared_gd_to_ie_test_LDADD): New variable.
5281         (tls_shared_gnu2_gd_to_ie_test): New target.
5282         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
5283         New targets.
5284         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
5285         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
5286         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
5287         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
5288         (tls_shared_gnu2_test): New target.
5289         (tls_test_gnu2_shared.so): New target.
5290         (tls_shared_gnu2_test_SOURCES): New variable.
5291         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
5292         (tls_shared_gnu2_test_LDFLAGS): New variable.
5293         (tls_shared_gnu2_test_LDADD): New variable.
5294         * testsuite/Makefile.in: Rebuild.
5295         * testsuite/Makefile.
5296
5297 2008-04-11  Ian Lance Taylor  <iant@google.com>
5298
5299         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
5300         justsyms.t.
5301         * testsuite/Makefile.in: Rebuild.
5302
5303         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
5304         long.
5305         * testsuite/script_test_2.cc (main): Adjust test.
5306
5307 2008-04-11  David S. Miller  <davem@davemloft.net>
5308             Ian Lance Taylor  <iant@google.com>
5309
5310         * options.h (General_options): Add entries for '-Y' and
5311         '-relax'.
5312         * options.cc (General_options:finalize): If -Y was used, add those
5313         entries to the library path instead of the default "/lib" and
5314         "/usr/lib".
5315
5316 2008-04-11  David S. Miller  <davem@davemloft.net>
5317
5318         * testsuite/justsyms.t: Start at 0x100.
5319         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
5320         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
5321         long.
5322         * testsuite/script_test_2.cc: Adjust string and section length
5323         checks.
5324
5325 2008-04-09  Ian Lance Taylor  <iant@google.com>
5326
5327         PR gold/5996
5328         * script-sections.cc (Sections_element::allocate_to_segment): Add
5329         orphan parameter.
5330         (Output_section_definition::allocate_to_segment): Likewise.
5331         (Orphan_output_section::allocate_to_segment): Likewise.
5332         (Script_sections::attach_sections_using_phdrs_clause): Don't
5333         propagate non-PT_LOAD segments to orphan sections.
5334         * testsuite/Makefile.am (script_test_3.stdout): Generate using
5335         readelf rather than objdump.
5336         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
5337         .interp section and PT_INTERP segment are the same size.
5338         * testsuite/Makefile.in: Rebuild.
5339
5340         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
5341         aliases for symbols defined in the same object.
5342         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
5343         (weak_alias_test_SOURCES): New variable.
5344         (weak_alias_test_DEPENDENCIES): New variable.
5345         (weak_alias_test_LDFLAGS): New variable.
5346         (weak_alias_test_LDADD): New variable.
5347         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
5348         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
5349         (weak_alias_test_3.o): New target.
5350         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
5351         * testsuite/weak_alias_test_main.cc: New file.
5352         * testsuite/weak_alias_test_1.cc: New file.
5353         * testsuite/weak_alias_test_2.cc: New file.
5354         * testsuite/weak_alias_test_3.cc: New file.
5355
5356 2008-04-08  Ian Lance Taylor  <iant@google.com>
5357
5358         * options.h (class General_options): Add --noinhibit-exec option.
5359         * main.cc (main): Check --noinhibit-exec.
5360
5361         * options.h (class General_options): Define --wrap as a special
5362         option.  Add wrap_symbols_ field.
5363         (General_options::any_wrap_symbols): New function.
5364         (General_options::is_wrap_symbol): New function.
5365         * options.cc (General_options::parse_wrap): New function.
5366         (General_options::General_options): Initialize wrap_symbols_.
5367         * symtab.cc (Symbol_table::wrap_symbol): New function.
5368         (Symbol_table::add_from_object): Handle --wrap.
5369         * symtab.h (class Symbol_table): Declare wrap_symbol.
5370         * target.h (Target::wrap_char): New function.
5371         (Target::Target_info): Add wrap_char field.
5372         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
5373         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
5374         * testsuite/testfile.cc (Target_test::test_target_info):
5375         Likewise.
5376
5377         * errors.cc (Errors::undefined_symbol): Mention symbol version if
5378         there is one.
5379
5380         * layout.h (class Layout): Add added_eh_frame_data_ field.
5381         * layout.cc (Layout::Layout): Initialize new field.
5382         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
5383         output section until we find a section we merged successfully.
5384         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
5385         that the size be non-zero.
5386
5387         * merge.cc (Object_merge_map::get_output_offset): Remove inline
5388         qualifier.
5389
5390 2008-04-08  Craig Silverstein  <csilvers@google.com>
5391
5392         * configure.ac: Export new conditional variable HAVE_ZLIB.
5393         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
5394         on HAVE_ZLIB.
5395         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
5396         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
5397
5398 2008-04-07  Ian Lance Taylor  <iant@google.com>
5399
5400         * version.cc (version_string): Set to "1.5".
5401
5402         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
5403         Add issued_non_pic_error_ field.  Declare check_non_pic.
5404         (Target_x86_64::Scan::check_non_pic): New function.
5405         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
5406         (Target_x86_64::Scan::global): Likewise.
5407
5408         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
5409         addend parameter.  Change caller.  Handle merge sections.
5410         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
5411         Address to Addend.  Don't add in the result of
5412         local_section_offset, pass down the addend and use the returned
5413         value.
5414         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
5415         Update declarations of local_section_offset and symbol_value.
5416         * testsuite/two_file_test_1.cc (t18): New function.
5417         * testsuite/two_file_test_2.cc (f18): New function.
5418         * testsuite/two_file_test_main.cc (main): Call t18.
5419         * testsuite/two_file_test.h (t18, f18): Declare.
5420
5421         * configure.ac: Don't test for objdump, c++filt, or readelf.
5422         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
5423         conditionals.
5424         (TEST_READELF): New variable.
5425         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
5426         (check_PROGRAMS): Add two_file_strip_test.
5427         (two_file_strip_test): New target.
5428         (check_PROGRAMS): Add two_file_same_shared_strip_test.
5429         (two_file_same_shared_strip_test_SOURCES): New variable.
5430         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
5431         (two_file_same_shared_strip_test_LDFLAGS): New variable.
5432         (two_file_same_shared_strip_test_LDADD): New variable.
5433         (two_file_shared_strip.so): New target.
5434         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
5435         (ver_test_5.syms, ver_test_7.syms): Likewise.
5436         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
5437         (strip_test_3.stdout): Use TEST_OBJDUMP.
5438         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
5439
5440 2008-04-04  Cary Coutant  <ccoutant@google.com>
5441
5442         * symtab.h (Symbol::is_weak_undefined): New function.
5443         (Symbol::is_strong_undefined): New function.
5444         (Symbol::is_absolute): New function.
5445         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
5446         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
5447         absolute symbols.
5448         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
5449         (weak_undef_test): New target.
5450         * testsuite/Makefile.in: Rebuild.
5451         * testsuite/weak_undef_file1.cc: New file.
5452         * testsuite/weak_undef_file2.cc: New file.
5453         * testsuite/weak_undef_test.cc: New file.
5454
5455 2008-04-03  Craig Silverstein  <csilvers@google.com>
5456
5457         * compressed_output.h (class Output_compressed_section): Use
5458         unsigned buffer.
5459         * compressed_output.cc (zlib_compress): Use unsigned buffers,
5460         add zlib header.
5461         (zlib_compressed_suffix): Removed.
5462         (Output_compressed_section::set_final_data_size): Use unsigned
5463         buffers.
5464         * testsuite/Makefile.am (flagstest_compress_debug_sections):
5465         Fix linker invocation.
5466         (flagstest_o_specialfile_and_compress_debug_sections):
5467         Likewise.
5468         * testsuite/Makefile.in: Regenerated.
5469
5470 2008-04-02  David S. Miller  <davem@davemloft.net>
5471
5472         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
5473         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
5474
5475 2008-04-02  Craig Silverstein  <csilvers@google.com>
5476
5477         * TODO: New file.
5478
5479 2008-04-02  Ian Lance Taylor  <iant@google.com>
5480
5481         * fileread.cc (File_read::find_view): Add byteshift and vshifted
5482         parameters.  Update for new key type to views_.  Change all
5483         callers.
5484         (File_read::read): Adjust for byteshift in returned view.
5485         (File_read::add_view): New function, broken out of
5486         find_and_make_view.
5487         (File_read::make_view): New function, broken out of
5488         find_and_make_view.
5489         (File_read::find_or_make_view): Add offset and aligned
5490         parameters.  Rewrite accordingly.  Change all callers.
5491         (File_read::get_view): Add offset and aligned parameters.  Adjust
5492         for byteshift in return value.
5493         (File_read::get_lasting_view): Likewise.
5494         * fileread.h (class File_read): Update declarations.
5495         (class File_read::View): Add byteshift_ field.  Add byteshift to
5496         constructor.  Add byteshift method.
5497         * archive.h (Archive::clear_uncached_views): New function.
5498         (Archive::get_view): Add aligned parameter.  Change all callers.
5499         * object.h (Object::get_view): Add aligned parameter.  Change all
5500         callers.
5501         (Object::get_lasting_view): Likewise.
5502
5503         * fileread.cc (File_read::release): Don't call clear_views if
5504         there are multiple objects.
5505         * fileread.h (File_read::clear_uncached_views): New function.
5506         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
5507         on the archive.
5508
5509 2008-03-31  Cary Coutant  <ccoutant@google.com>
5510
5511         Add thin archive support.
5512         * archive.cc (Archive::armagt): New const.
5513         (Archive::setup): Remove task parameter and calls to unlock.
5514         (Archive::unlock_nested_archives): New function.
5515         (Archive::read_header): Add nested_off parameter. Change
5516         all callers.
5517         (Archive::interpret_header): Likewise.
5518         (Archive::include_all_members): Change to handle thin
5519         archives.
5520         (Archive::include_member): Likewise.
5521         * archive.h (Archive::Archive): Add new parameters and
5522         initializers.
5523         (Archive::armagt): New const.
5524         (Archive::setup): Remove task parameter.
5525         (Archive::unlock_nested_archives): New function.
5526         (Archive::read_header): Add nested_off parameter.
5527         (Archive::interpret_header): Likewise.
5528         (Archive::Nested_archive_table): New typedef.
5529         (Archive::is_thin_archive_): New field.
5530         (Archive::nested_archives_): New field.
5531         (Archive::options_): New field.
5532         (Archive::dirpath_): New field.
5533         (Archive::task_): New field.
5534         * readsyms.cc (Read_symbols::do_read_symbols): Add check
5535         for thin archives.  Pass additional parameters to
5536         Archive::Archive.  Unlock the archive file after calling
5537         Archive::setup.
5538
5539 2008-03-29  Ian Lance Taylor  <iant@google.com>
5540
5541         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
5542         version symbol to be local.
5543         * testsuite/ver_test_4.sh: New file.
5544         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
5545         (check_DATA): Add ver_test_4.syms.
5546         (ver_test_4.syms): New target.
5547         * testsuite/Makefile.in: Rebuild.
5548
5549         * output.cc
5550         (Output_section::Input_section_sort_entry::has_priority): New
5551         function.
5552         (Output_section::Input_section_sort_entry::match_file_name): New
5553         function.
5554         (Output_section::Input_section_sort_entry::match_section_name):
5555         Remove.
5556         (Output_section::Input_section_sort_entry::match_section_name_prefix):
5557         Remove.
5558         (Output_section::Input_section_sort_entry::match_section_file):
5559         Remove.
5560         (Output_section::Input_section_sort_compare::operator()): Rewrite
5561         using new Input_section_sort_entry functions.  Sort crtbegin and
5562         crtend first.  Sort sections with no priority before sections with
5563         a priority.
5564         * testsuite/initpri1.c (d3): Check j != 4.
5565         (cd5): New constructor/destructor function.
5566         (main): Check j != 2.
5567
5568         * symtab.cc (Symbol_table::add_from_object): If we don't use the
5569         new symbol when resolving, don't call set_is_default.
5570         * testsuite/ver_test_7.cc: New file.
5571         * testsuite/ver_test_7.sh: New file.
5572         * testsuite/Makefile.am (ver_test_7.so): New target.
5573         (ver_test_7.o): New target.
5574         (check_SCRIPTS): Add ver_test_7.sh.
5575         (check_DATA): Add ver_test_7.syms.
5576         (ver_test_7.syms): New target.
5577
5578 2008-03-28  Ian Lance Taylor  <iant@google.com>
5579
5580         * layout.cc (Layout::layout): If we see an input section with a
5581         name that needs sorting, set the must_sort flag for the output
5582         section.
5583         (Layout::make_output_section): If the name of the output section
5584         indicates that it might require sorting, set the may_sort flag.
5585         * output.h (Output_section::may_sort_attached_input_sections): New
5586         function.
5587         (Output_section::set_may_sort_attached_input_sections): New
5588         function.
5589         (Output_section::must_sort_attached_input_sections): New
5590         function.
5591         (Output_section::set_must_sort_attached_input_sections): New
5592         function.
5593         (class Output_section): Declare Input_section_sort_entry.  Define
5594         Input_section_sort_compare.  Declare
5595         sort_attached_input_sections.  Add new fields:
5596         may_sort_attached_input_sections_,
5597         must_sort_attached_input_sections_,
5598         attached_input_sections_are_sorted_.
5599         * output.cc (Output_section::Output_section): Initialize new
5600         fields.
5601         (Output_section::add_input_section): Add an entry to
5602         input_sections_ if may_sort or must_sort are true.
5603         (Output_section::set_final_data_size): Call
5604         sort_attached_input_sections if necessary.
5605         (Output_section::Input_section_sort_entry): Define new class.
5606         (Output_section::Input_section_sort_compare::operator()): New
5607         function.
5608         (Output_section::sort_attached_input_sections): New function.
5609         * configure.ac: Check whether the compiler supports constructor
5610         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
5611         * testsuite/initpri1.c: New file.
5612         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
5613         CONSTRUCTOR_PRIORITY.
5614         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
5615         (initpri1_LDFLAGS): New variable.
5616         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
5617
5618 2008-03-27  Ian Lance Taylor  <iant@google.com>
5619
5620         * common.cc (Sort_commons::operator): Correct sorting algorithm.
5621         * testsuite/common_test_1.c: New file.
5622         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
5623         (common_test_1_SOURCES): New variable.
5624         (common_test_1_DEPENDENCIES): New variable.
5625         (common_test_1_LDFLAGS): New variable.
5626
5627         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
5628         and commons_ correctly when NAME/VERSION does not override
5629         NAME/NULL.
5630         * testsuite/ver_test_6.c: New file.
5631         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
5632         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
5633         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
5634
5635 2008-03-26  Ian Lance Taylor  <iant@google.com>
5636
5637         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
5638         of an undefined symbol from a version script.
5639         * testsuite/Makefile.am (ver_test_5.so): New target.
5640         (ver_test_5.o): New target.
5641         (check_SCRIPTS): Add ver_test_5.sh.
5642         (check_DATA): Add ver_test_5.syms.
5643         (ver_test_5.syms): New target.
5644         * testsuite/ver_test_5.cc: New file.
5645         * testsuite/ver_test_5.script: New file.
5646         * testsuite/ver_test_5.sh: New file.
5647         * Makefile.in, testsuite/Makefile.in: Rebuild.
5648
5649         PR gold/5986
5650         Fix problems building gold with gcc 4.3.0.
5651         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
5652         (gold_error_at_location, gold_warning_at_location): Use it.
5653         * configure.ac: Check whether we can compile and use a template
5654         function with a printf attribute.
5655         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
5656         when jumping over bytes.
5657         * object.cc: Instantiate Object::read_section_data.
5658         * debug.h: Include <cstring>
5659         * dwarf_reader.cc: Include <algorithm>
5660         * main.cc: Include <cstring>.
5661         * options.cc: Include <cstring>.
5662         * output.cc: Include <cstring>.
5663         * script.cc: Include <cstring>.
5664         * script.h: Include <string>.
5665         * symtab.cc: Include <cstring> and <algorithm>.
5666         * target-select.cc: Include <cstring>.
5667         * version.cc: Include <string>.
5668         * testsuite/testmain.cc: Include <cstdlib>.
5669         * configure, config.in: Rebuild.
5670
5671 2008-03-25  Ian Lance Taylor  <iant@google.com>
5672
5673         * options.cc: Include "../bfd/bfdver.h".
5674         (options::help): Print bug reporting address.
5675
5676         * version.cc (print_version): Adjust output for current value of
5677         BFD_VERSION_STRING.
5678
5679         * NEWS: New file.
5680
5681         * options.cc (options::help): Print list of supported targets.
5682         * target-select.h: Include <vector>.
5683         (class Target_selector): Make machine_, size_, and is_big_endian_
5684         fields const.  Add bfd_name_ and instantiated_target_ fields.
5685         (Target_selector::Target_selector): Add bfd_name parameter.
5686         (Target_selector::recognize): Make non-virtual, call
5687         do_recognize.
5688         (Target_selector::recognize_by_name): Make non-virtual, call
5689         do_recognize_by_name.
5690         (Target_selector::supported_names): New function.
5691         (Target_selector::bfd_name): New function.
5692         (Target_selector::do_instantiate_target): New pure virtual
5693         function.
5694         (Target_selector::do_recognize): New virtual function.
5695         (Target_selector::do_recognize_by_name): New virtual function.
5696         (Target_selector::instantiate_target): New private function.
5697         (supported_target_names): Declare.
5698         * target-select.cc (Target_selector::Target_selector): Update for
5699         new parameter and fields.
5700         (select_target_by_name): Check that the name matches before
5701         calling recognize_by_name.
5702         (supported_target_names): New function.
5703         * i386.cc (class Target_selector_i386): Update Target_selector
5704         constructor call.  Remove recognize and recognize_by_name.  Add
5705         do_instantiate_target.
5706         * x86_64.cc (class Target_selector_x86_64): Likewise.
5707         * testsuite/testfile.cc (class Target_selector_test): Update for
5708         changes to Target_selector.
5709
5710         * README: Rewrite, with some notes on unsupported features.
5711
5712 2008-03-24  Cary Coutant  <ccoutant@google.com>
5713
5714         * i386.cc (Target_i386::Got_type): New enum declaration.
5715         (Target_i386::Scan::local): Updated callers of Output_data_got
5716         member functions.
5717         (Target_i386::Scan::global): Likewise.
5718         (Target_i386::Relocate::relocate): Likewise.
5719         (Target_i386::Relocate::relocate_tls): Likewise.
5720         * object.h (Got_offset_list): New class.
5721         (Sized_relobj::local_has_got_offset): Added got_type parameter.
5722         (Sized_relobj::local_got_offset): Likewise.
5723         (Sized_relobj::set_local_got_offset): Likewise.
5724         (Sized_relobj::local_has_tls_got_offset): Removed.
5725         (Sized_relobj::local_tls_got_offset): Removed.
5726         (Sized_relobj::set_local_tls_got_offset): Removed.
5727         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
5728         * output.cc (Output_data_got::add_global): Added got_type parameter.
5729         (Output_data_got::add_global_with_rel): Likewise.
5730         (Output_data_got::add_global_with_rela): Likewise.
5731         (Output_data_got::add_global_pair_with_rel): New function.
5732         (Output_data_got::add_global_pair_with_rela): New function.
5733         (Output_data_got::add_local): Added got_type parameter.
5734         (Output_data_got::add_local_with_rel): Likewise.
5735         (Output_data_got::add_local_with_rela): Likewise.
5736         (Output_data_got::add_local_pair_with_rel): New function.
5737         (Output_data_got::add_local_pair_with_rela): New function.
5738         (Output_data_got::add_global_tls): Removed.
5739         (Output_data_got::add_global_tls_with_rel): Removed.
5740         (Output_data_got::add_global_tls_with_rela): Removed.
5741         (Output_data_got::add_local_tls): Removed.
5742         (Output_data_got::add_local_tls_with_rel): Removed.
5743         (Output_data_got::add_local_tls_with_rela): Removed.
5744         * output.h (Output_data_got::add_global): Added got_type parameter.
5745         (Output_data_got::add_global_with_rel): Likewise.
5746         (Output_data_got::add_global_with_rela): Likewise.
5747         (Output_data_got::add_global_pair_with_rel): New function.
5748         (Output_data_got::add_global_pair_with_rela): New function.
5749         (Output_data_got::add_local): Added got_type parameter.
5750         (Output_data_got::add_local_with_rel): Likewise.
5751         (Output_data_got::add_local_with_rela): Likewise.
5752         (Output_data_got::add_local_pair_with_rel): New function.
5753         (Output_data_got::add_local_pair_with_rela): New function.
5754         (Output_data_got::add_global_tls): Removed.
5755         (Output_data_got::add_global_tls_with_rel): Removed.
5756         (Output_data_got::add_global_tls_with_rela): Removed.
5757         (Output_data_got::add_local_tls): Removed.
5758         (Output_data_got::add_local_tls_with_rel): Removed.
5759         (Output_data_got::add_local_tls_with_rela): Removed.
5760         * resolve.cc (Symbol::override_base_with_special): Removed
5761         reference to has_got_offset_ field.
5762         * symtab.cc (Symbol::init_fields): Replaced initialization
5763         of got_offset_ with got_offsets_.  Removed initialization
5764         of has_got_offset_
5765         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
5766         (Symbol::got_offset): Likewise.
5767         (Symbol::set_got_offset): Likewise.
5768         (Symbol::has_tls_got_offset): Removed.
5769         (Symbol::tls_got_offset): Removed.
5770         (Symbol::set_tls_got_offset): Removed.
5771         (Symbol::got_offset_): Removed.
5772         (Symbol::tls_mod_got_offset_): Removed.
5773         (Symbol::tls_pair_got_offset_): Removed.
5774         (Symbol::got_offsets_): New field.
5775         (Symbol::has_got_offset): Removed.
5776         (Symbol::has_tls_mod_got_offset): Removed.
5777         (Symbol::has_tls_pair_got_offset): Removed.
5778         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
5779         (Target_x86_64::Scan::local): Updated callers of Output_data_got
5780         member functions.
5781         (Target_x86_64::Scan::global): Likewise.
5782         (Target_x86_64::Relocate::relocate): Likewise.
5783         (Target_x86_64::Relocate::relocate_tls): Likewise.
5784
5785 2008-03-25  Ben Elliston  <bje@au.ibm.com>
5786
5787         * yyscript.y: Fix spelling error in comment.
5788
5789 2008-03-24  Ian Lance Taylor  <iant@google.com>
5790
5791         * options.h (class General_options): Define build_id option.
5792         * layout.h (class Layout): Declare write_build_id, create_note,
5793         create_build_id.  Add build_id_note_ member.
5794         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
5795         "libiberty.h", "md5.h", "sha1.h".
5796         (Layout::Layout): Initialize eh_frame_data_,
5797         eh_frame_hdr_section_, and build_id_note_.
5798         (Layout::finalize): Call create_build_id.
5799         (Layout::create_note): New function, broken out of
5800         Layout::create_gold_note.
5801         (Layout::create_gold_note): Call create_note.
5802         (Layout::create_build_id): New function.
5803         (Layout::write_build_id): New function.
5804         (Close_task_runner::run): Call write_build_id.
5805
5806         * x86_64.cc: Correct license to GPLv3.
5807
5808 2008-03-23  Ian Lance Taylor  <iant@google.com>
5809
5810         * options.cc: Include "demangle.h".
5811         (parse_optional_string): New function.
5812         (parse_long_option): Handle takes_optional_argument.
5813         (parse_short_option): Update dash_z initializer.  Handle
5814         takes_optional_argument.
5815         (General_options::General_options): Initialize do_demangle_.
5816         (General_options::finalize): Set do_demangle_.  Handle demangling
5817         style.
5818         * options.h (parse_optional_string): Declare.
5819         (struct One_option): Add optional_arg field.  Update constructor.
5820         Update call constructor calls.  Add takes_optional_argument
5821         function.
5822         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
5823         (DEFINE_optional_string): Define.
5824         (General_options::demangle): Change from DEFINE_bool to
5825         DEFINE_optional_string.
5826         (General_options::no_demangle): New function.
5827         (General_options::do_demangle): New function.
5828         (General_options::set_do_demangle): New function.
5829         (General_options::execstack_status_): Move definition to end of
5830         class definition.
5831         (General_options::static_): Likewise.
5832         (General_options::do_demangle_): New field.
5833         * object.cc (big_endian>::get_symbol_location_info): Call
5834         Options::do_demangle, not Options::demangle.
5835         * symtab.cc (demangle): Likewise.
5836
5837 2008-03-22  Ian Lance Taylor  <iant@google.com>
5838
5839         * gold.h: Include <cstddef> and <sys/types.h>
5840         * options.h: Include <cstring>.
5841
5842 2008-03-21  Ian Lance Taylor  <iant@google.com>
5843
5844         * Added source code to GNU binutils.