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