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