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