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