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