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