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