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