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* layout.cc (Layout::Layout): Initialize increase_relro_.
[pf3gnuchains/pf3gnuchains3x.git] / gold / ChangeLog
1 2009-12-29  Ian Lance Taylor  <iant@google.com>
2
3         * layout.cc (Layout::Layout): Initialize increase_relro_.
4         (Layout::get_output_section): Add is_relro, is_last_relro, and
5         is_first_non_relro parameters.  Change all callers.
6         (Layout::choose_output_section): Likewise.
7         (Layout::add_output_section_data): Likewise.
8         (Layout::make_output_section): Likewise.
9         (Layout::set_segment_offsets): Clear increase_relro when using a
10         linker script.
11         * layout.h (class Layout): Add increase_relro method.  Add
12         increase_relro_ field.  Update declarations.
13         * output.cc (Output_section::Output_section): Initialize
14         is_last_relro_ and is_first_non_relro_.
15         (Output_segment::add_output_section): Group relro sections is
16         do_sort is true.  Handle is_last_relro and is_first_non_relro.
17         (Output_segment::maximum_alignment): Remove relro handling.
18         (Output_segment::set_section_addresses): Add increase_relro
19         parameter.  Change all callers.  Add initial alignment to align
20         relro sections on separate page.  Remove old relro handling.
21         (Output_segment::set_section_list_addresses): Remove in_relro
22         parameter.  Change all callers.
23         (Output_segment::set_offset): Add increase parameter.  Change all
24         callers.  Remove old relro handling.
25         * output.h (class Output_section): Add new methods: is_last_relro,
26         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
27         Add is_last_relro_ and is_first_non_relro_ fields.
28         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
29         Create separate .got.plt section.  Call increase_relro.
30         * x86_64.cc (Target_x86_64::got_section): Likewise.
31         * testsuite/relro_script_test.t: Add .got.plt.
32
33         PR 10450
34         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
35         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
36         (Layout::finalize): Call set_dynamic_symbol_size.
37         (Layout::set_dynamic_symbol_size): New function.
38         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
39         set_dynamic_symbol_size.
40
41         PR 10450
42         * output.h (class Output_section): Add is_entsize_zero_ field.
43         * output.cc (Output_section::Output_section): Initialize
44         is_entsize_zero_.
45         (Output_section::set_entsize): If two different entsizes are
46         requested, force it to zero.
47         (Output_section::add_input_section): Set flags for .debug_str
48         before updating section flags.  Set entsize.
49         (Output_section::update_flags_for_input_section): Set SHF_MERGE
50         and SHF_STRING if all input sections have those flags.
51
52 2009-12-29   Rafael Espindola  <espindola@google.com>
53
54         * main.cc (main): Fix the sys time reporting.
55         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
56         reporting.
57
58 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
59
60         * options.cc (General_options::parse_version): Allow -v to exit
61         without an error if there is nothing to link.
62
63 2009-12-29  Ian Lance Taylor  <iant@google.com>
64
65         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
66         using a version of gcc before 4.1.
67         * configure: Rebuild.
68
69 2009-12-28  Chris Demetriou  <cgd@google.com>
70
71         * attributes.cc (Output_attributes_section_data::do_write): Use
72         std::vector::front rather than std::vector::data.
73
74 2009-12-28  Ian Lance Taylor  <iant@google.com>
75
76         * symtab.h (class Symbol_table): Add enum Defined.
77         * resolve.cc (Symbol_table::should_override): Add defined
78         parameter.  Change all callers.  Test whether object is NULL
79         before calling a method on it.
80         (Symbol_table::report_resolve_problem): Add defined parameter.
81         Change all callers.
82         (Symbol_table::should_override_with_special): Likewise.
83         * symtab.cc (Symbol_table::define_in_output_data): Add defined
84         parameter.  Change all callers.
85         (Symbol_table::do_define_in_output_data): Likewise.
86         (Symbol_table::define_in_output_segment): Likewise.
87         (Symbol_table::do_define_in_output_segment): Likewise.
88         (Symbol_table::define_as_constant): Likewise.
89         (Symbol_table::do_define_as_constant): Likewise.
90         * script.h (class Symbol_assignment): Add is_defsym parameter to
91         constructor; change all callers.
92         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
93         parameter.  Change all callers.  Add is_defsym_ field.
94         (class Parser_closure): Add parsing_defsym parameter to
95         constructor; change all callers.  Add parsing_defsym accessor
96         function.  Add parsing_defsym_ field.
97
98 2009-12-28  Ian Lance Taylor  <iant@google.com>
99
100         * gold.cc (queue_middle_tasks): Fix formatting.
101         * object.cc (Relobj::is_section_name_included): Likewise.
102
103 2009-12-23  Ian Lance Taylor  <iant@google.com>
104
105         * i386.cc (Target_i386::do_calls_non_split): Recognize
106         -fsplit-stack prologue for a function with a static chain.
107         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
108         -fsplit-stack prologue when using %r11.
109
110 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
111
112         * options.cc (General_options::parse_version): Make -v continue and do
113         the link like GNU ld does.
114
115 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
116
117         * Makefile.am (CCFILES): Add timer.cc.
118         (HFILES): Add timer.h.
119         * configure.ac: Check for sysconf and times.
120         * main.cc: include timer.h.
121         (main): Use Timer instead of get_run_time.
122         * timer.cc: New.
123         * timer.h: New.
124         * workqueue.cc: include timer.h.
125         (Workqueue::find_and_run_task):
126         Report user, sys and wall time.
127         * Makefile.in: Regenerate.
128         * config.in: Regenerate.
129         * configure: Regenerate.
130
131 2009-12-16  Doug Kwan  <dougkwan@google.com>
132
133         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
134         sections.
135         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
136         relaxed input sections.
137         * output.cc (Output_section::find_relaxed_input_section): Change
138         return type to Output_relaxed_input_section pointer.  Adjust code
139         for new type of relaxed_input_section_map_.
140         * output.h (Output_section::find_relaxed_input_section): Change
141         return type to Output_relaxed_input_section pointer.
142         (Output_section::Output_relaxed_input_section_by_input_section_map):
143         New type.
144         (Output_section::relaxed_input_section_map_): Change type to
145         Output_section::Output_relaxed_input_section_by_input_section_map.
146         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
147         input section.
148
149 2009-12-15  Ian Lance Taylor  <iant@google.com>
150
151         * layout.cc (Layout::create_shstrtab): Only write out after input
152         sections if we are compressing debug sections.
153
154 2009-12-15  Ian Lance Taylor  <iant@google.com>
155
156         * archive.cc (Archive::add_symbols): Only look up a symbol without
157         a version if there is, in fact, a version.
158
159 2009-12-14  Ian Lance Taylor  <iant@google.com>
160
161         Revert -Wshadow changes, all changes from:
162         2009-12-11  Doug Kwan  <dougkwan@google.com>
163         2009-12-11  Nick Clifton  <nickc@redhat.com>
164         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
165
166 2009-12-11  Doug Kwan  <dougkwan@google.com>
167
168         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
169         due to -Wshadow.
170         * attributes.cc (Object_attribute::size): Ditto.
171         (Attributes_section_data::size): Ditto.
172         (Attributes_section_data::Attributes_section_data): Ditto.
173         (Output_attributes_section_data::do_write): Ditto.
174         * attributes.h (Object_attribute::set_type): Ditto.
175         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
176
177 2009-12-11  Nick Clifton  <nickc@redhat.com>
178
179         * archive.cc: Fix shadowed variable warnings.
180         * arm.cc: Likewise.
181         * compressed_output.cc: Likewise.
182         * compressed_output.h: Likewise.
183         * configure: Likewise.
184         * dwarf_reader.cc: Likewise.
185         * dynobj.cc: Likewise.
186         * dynobj.h: Likewise.
187         * ehframe.cc: Likewise.
188         * ehframe.h: Likewise.
189         * errors.cc: Likewise.
190         * expression.cc: Likewise.
191         * fileread.cc: Likewise.
192         * fileread.h: Likewise.
193         * freebsd.h: Likewise.
194         * i386.cc: Likewise.
195         * icf.cc: Likewise.
196         * incremental.h: Likewise.
197         * layout.cc: Likewise.
198         * layout.h: Likewise.
199         * mapfile.cc: Likewise.
200         * merge.cc: Likewise.
201         * merge.h: Likewise.
202         * object.cc: Likewise.
203         * object.h: Likewise.
204         * options.h: Likewise.
205         * output.cc: Likewise.
206         * output.h: Likewise.
207         * parameters.cc: Likewise.
208         * plugin.cc: Likewise.
209         * powerpc.cc: Likewise.
210         * reduced_debug_output.cc: Likewise.
211         * reduced_debug_output.h: Likewise.
212         * reloc.cc: Likewise.
213         * reloc.h: Likewise.
214         * resolve.cc: Likewise.
215         * script-sections.cc: Likewise.
216         * script.cc: Likewise.
217         * script.h: Likewise.
218         * sparc.cc: Likewise.
219         * symtab.cc: Likewise.
220         * symtab.h: Likewise.
221         * target-select.cc: Likewise.
222         * target-select.h: Likewise.
223         * token.h: Likewise.
224         * workqueue.cc: Likewise.
225         * workqueue.h: Likewise.
226         * x86_64.cc: Likewise.
227
228 2009-12-10  Doug Kwan  <dougkwan@google.com>
229
230         * arm.cc (attributes.h): New include.
231         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
232         (Arm_relobj::~Arm_relobj): Delete object pointed by
233         attributes_section_data_.
234         (Arm_relobj::attributes_section_data): New method definition.
235         (Arm_relobj::attributes_section_data_): New data member declaration.
236         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
237         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
238         attributes_section_data_.
239         (Arm_dynobj::attributes_section_data): New method definition.
240         (Arm_dynobj::attributes_section_data_): New data member declaration.
241         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
242         initialization value of may_use_blx_ to false.
243         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
244         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
245         object attributes to compute results instead of hard-coding.
246         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
247         Target_arm::get_secondary_compatible_arch,
248         Target_arm::set_secondary_compatible_arch
249         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
250         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
251         New method declarations.
252         (Target_arm::get_aeabi_object_attribute): New method definition.
253         (Target_arm::attributes_section_data_): New data member declaration.
254         (read_arm_attributes_section): New template definition.
255         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
256         (Arm_dynobj::do_read_symbols): Ditto.
257         (Target_arm::do_finalize_sections): Merge attributes sections from
258         input.  Check for BLX use after attributes section merging.
259         Fix __exidx_start and __exidx_end visibility.  Create an
260         .ARM.attributes section if necessary.
261         (Target_arm::get_secondary_compatible_arch,
262         Target_arm::set_secondary_compatible_arch,
263         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
264         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
265         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order): 
266         New method definitions.
267
268 2009-12-09  Ian Lance Taylor  <iant@google.com>
269
270         * plugin.cc (Plugin::load): Don't cast from void* to a function
271         pointer.
272
273 2009-12-09  Ian Lance Taylor  <iant@google.com>
274
275         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
276         information fields.
277
278 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
279
280         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
281         Replace two_file_shared_1.so with two_file_shared_2.so.
282         * testsuite/Makefile.in: Regenerated.
283
284 2009-12-08  Doug Kwan  <dougkwan@google.com>
285
286         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
287         (HFILES): Add attributes.h and int_encoding.h.
288         * Makefile.in: Regenerate.
289         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
290         function definitions to int_encoding.cc
291         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
292         prototypes to int_encoding.h
293         * reduced_debug_output.cc (int_encoding.h): New include.
294         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
295         function definitions to int_encoding.cc
296         (insert_into_vector, read_from_pointer): Move template definitions to
297         int_encoding.h
298         * attributes.cc: New file.
299         * attributes.h: New file.
300         * int_encoding.cc: New file.
301         * int_encoding.h: New file.
302
303 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
304
305         PR gold/11055
306         * incremental-dump.cc (dump_incremental_inputs): New.
307         (main): Use dump_incremental_inputs.
308
309 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
310
311         PR gold/10893
312         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
313         checking elfcpp::STT_FUNC.
314         (Target_i386::Relocate::relocate): Likewise.
315         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
316
317         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
318         symbols from shared libraries into normal FUNC symbols.
319
320         * symtab.h (Symbol): Add is_func and use it.
321
322 2009-12-05  Doug Kwan  <dougkwan@google.com>
323
324         * arm.cc (Target_arm::arm_info): Initialize new fields
325         attributes_section and attributes_vendor.
326         * i386.cc (Target_i386::i386_info): Same.
327         * object.cc (Sized_relobj::do_layout): Skip attribute section.
328         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
329         fields attributes_section and attributes_vendor.
330         * sparc.cc (Target_sparc::sparc_info): Same.
331         * target.h (Target::attributes_section, Target::attributes_vendor,
332         Target::is_attributes_section, Target::attribute_arg_type,
333         Target::attributes_order): New method definitions.
334         (Target::Target_info::attributes_section,
335         Target::Target_info::attributes_vendor): New fields.
336         (Target::do_attribute_arg_type, Target::do_attributes_order): New
337         virtual method definitions.
338         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
339         attributes_section and attributes_vendor.
340         * testsuite/testfile.cc (Target_test::test_target_info): Same.
341
342 2009-12-05  Doug Kwan  <dougkwan@google.com>
343
344         * arm.cc: Update comments about interworking and stub generation.
345         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
346         considered as non-PIC.
347         (Arm_relocate_functions::base_abs): Fix formatting.
348         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
349         of function to use GOT entry address instead of offset.
350         (Target_arm::Scan::global): Issue an error if a symbol would need a
351         PLT does not get one because it is untyped.  Remove code to create
352         dynamic symbols for relative branches.
353         (Target_arm::Relocate::relocate: Use 0 instead of false since function
354         takes unsigned integer instead of boolean.
355
356 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
357
358         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
359         (two_file_test_LDADD): Likewise.
360         (common_test_1_LDADD): Likewise.
361         (exception_test_LDADD) Likewise.
362         (weak_test_LDADD): Likewise.
363         (many_sections_test_LDADD): Likewise.
364         (initpri1_LDADD): Likewise.
365         (script_test_1_LDADD): Likewise.
366         (script_test_2_LDADD): Likewise.
367         (justsyms_LDADD): Likewise.
368         (binary_test_LDADD): Likewise.
369         (large_LDADD): Likewise.
370         * testsuite/Makefile.in: Regenerated.
371
372 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
373
374         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
375         (Symbol_table::override_with_special): Likewise.
376         (Symbol_table::add_from_object): Likewise.
377
378 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
379
380         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
381         Don't set the data_offset twice.
382
383 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
384
385         * testsuite/Makefile.in: Regenerate.
386
387 2009-12-03  Doug Kwan  <dougkwan@google.com>
388
389         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
390         (Target_arm::do_finalize_sections): Add parameter for symbol table
391         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
392         * i386.cc (Target_i386::do_finalize_sections): Add an additional
393         parameter for symbol table pointer.
394         * layout.cc (Layout::finalize): Call Target::finalize_sections with
395         an additional parameter for a pointer to symbol table.
396         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
397         parameter for a symbol table pointer.
398         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
399         * target.h (Target::finalize_sections, Target::do_finalize_sections):
400         Ditto.
401         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
402         parameter for a symbol table pointer.
403
404 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
405
406         * incremental.cc (Incremental_inputs_header)
407         (Incremental_inputs_header_write, Incremental_inputs_entry)
408         (Incremental_inputs_entry_write): Move ...
409         * incremental.h (Incremental_inputs_header)
410         (Incremental_inputs_header_write, Incremental_inputs_entry)
411         (Incremental_inputs_entry_write): here.
412
413 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
414
415         * incremental.cc (make_sized_incremental_binary): Set the target.
416         Error if it is incompatible.
417         * output.h (Output_file): Add filename method.
418
419 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
420
421         * incremental.cc (Incremental_inputs_entry): Remove unused argument
422         from the get_* methods.
423
424 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
425
426         * incremental-dump.cc (main): Check that the offeset of a script is 0.
427         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
428         Write 0 for the data_offset of scripts.
429
430 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
431
432         * testsuite/Makefile.am: Add the incremental_test.sh test.
433         * testsuite/incremental_test.sh: New.
434         * testsuite/incremental_test_1.c: New.
435         * testsuite/incremental_test_2.c: New.
436
437 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
438
439        * incremental-dump.cc (main): Fix typos.
440
441 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
442
443         PR gold/11025
444         * incremental-dump.cc (main): Use llu to print 64 bit values.
445
446 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
447             H.J. Lu  <hongjiu.lu@intel.com>
448
449         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
450         $(LIBDL).
451         (incremental_dump_LDADD): Likewise.
452         * Makefile.in: Regenerated.
453
454 2009-11-25  Doug Kwan  <dougkwan@google.com>
455         
456         Revert:
457
458         2009-11-25  Doug Kwan  <dougkwan@google.com>
459
460                 * arm.cc (Target_arm::Target_arm): Move method definition
461                 outside of class definition.  Add code to handle
462                 --target1-rel, --target1-abs and --target2= options.
463                 (Target_arm::get_reloc_reloc_type): Change method to be
464                 non-static and const.
465                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
466                 New data member declaration.
467                 (Target_arm::Scan::local, Target_arm::Scan::global,
468                 Target_arm::Relocate::relocate,
469                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
470                 Adjust call to Target_arm::get_real_reloc_type.
471                 (Target_arm::get_real_reloc_type): Use command line options
472                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
473                 * options.h (--target1-rel, --target1-abs, --target2): New
474                 ARM-only options.
475
476 2009-11-25  Doug Kwan  <dougkwan@google.com>
477
478         * arm.cc (Target_arm::Target_arm): Move method definition outside of
479         class definition.  Add code to handle --target1-rel, --target1-abs
480         and --target2= options.
481         (Target_arm::get_reloc_reloc_type): Change method to be non-static
482         and const.
483         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
484         member declaration.
485         (Target_arm::Scan::local, Target_arm::Scan::global,
486         Target_arm::Relocate::relocate,
487         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
488         call to Target_arm::get_real_reloc_type.
489         (Target_arm::get_real_reloc_type): Use command line options to
490         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
491         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
492         options.
493
494 2009-11-25  Doug Kwan  <dougkwan@google.com>
495
496         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
497         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
498         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
499         formatting.
500         (Arm_relocate_functions::thm_call): Replace body with a call to
501         Arm_relocate_functions::thumb_branch_common.
502         (Arm_relocate_functions::thm_jump24,
503         Arm_relocate_functions::thm_xpc22): New method definitions.
504         (Arm_relocate_functions::thumb_branch_common): New method definition.
505         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
506         operator.
507         (Target_arm::Relocate::relocate): Adjust call to thm_call.
508         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
509
510 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
511
512         * Makefile.am: Build incremental-dump
513         * Makefile.in: Regenerate.
514         * incremental-dump.cc: New.
515         * incremental.cc (Incremental_inputs_header_data,
516         Incremental_inputs_entry_data): Move to incremental.h
517         * incremental.h: (Incremental_inputs_header_data,
518         Incremental_inputs_entry_data): Move from incremental.cc
519
520 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
521
522         * incremental.cc (Incremental_inputs_header,
523         Incremental_inputs_header_write, Incremental_inputs_entry,
524         Incremental_inputs_entry_write): Add a typedef with the data type.
525
526 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
527
528         * incremental.cc (Incremental_inputs_header,
529         Incremental_inputs_header_write, Incremental_inputs_entry,
530         Incremental_inputs_entry_write): Update comment about which
531         type has the filed descriptions.
532
533 2009-11-15  Doug Kwan  <dougkwan@google.com>
534
535         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
536         (Arm_relocate_functions::arm_branch_common): Change method defintion
537         in class definition to a method declaration and update list of formal
538         parameters.
539         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
540         Arm_relocation_functions::jump24): Adjust call to
541         Arm_relocate_functions::arm_branch_common.  Update list of formal
542         parameters.
543         (Arm_relocate_functions::xpc25): New method definition.
544         (Arm_relocate_functions::arm_branch_common): Move method defintion
545         out from class definition.  Use stubs for mode-switching and extending
546         branch ranges.
547         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
548         specially.  Change code to enable use of stubs in ARM branches.
549
550 2009-11-10  Doug Kwan  <dougkwan@google.com>
551
552         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
553         in method declaration.
554         (Target_arm::relocate_stub): New method declaration.
555         (Target_arm::default_target): Change to return a pointer instead of
556         a const reference.
557         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
558         Target_arm::default_target.
559         (Arm_Relobj::do_relocate_sections): Remove options paramater in
560         method definition.
561         (Target_arm::relocate_section): Adjust view.
562         (Target_arm::relocate_stub): New method definition.
563
564 2009-11-10  Doug Kwan  <dougkwan@google.com>
565
566         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
567         a format warning.
568         * incremental.cc (open_incremental_binary): Initialized local
569         variables to avoid warnings.
570         * object.cc (make_elf_object): Ditto.
571         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
572         a format warning.
573  
574 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
575
576         PR gold/10930
577         * testsuite/plugin_test.c: Include "config.h".
578
579 2009-11-09  Doug Kwan  <dougkwan@google.com>
580
581         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
582         (arm_symbol_value): Remove.
583         (Arm_relocate_functions::arm_branch_common,
584         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
585         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
586         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
587         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
588         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
589         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
590         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
591         Arm_relocate_functions::thm_mobw_abs_nc,
592         Arm_relocate_functions::thm_mov_abs,
593         Arm_relocate_functions::movw_prel_nc,
594         Arm_relocate_functions::thm_movt_abs,
595         Arm_relocate_functions::movt_prel,
596         Arm_relocate_functions::thm_movw_prel_nc,
597         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
598         (Target_arm::Relocate::relocate): Only decompose address into two
599         parts if relocation type uses the thumb-bit and pass the actual
600         bit instead of a flag indicating that the thumb-bit is used.  Adjust
601         calls to methods in Arm_relocate_functions for this change.
602
603 2009-11-08  Ian Lance Taylor  <iant@google.com>
604
605         PR 10925
606         * reloc.cc: Instantiate
607         Sized_relobj::initialize_input_to_output_maps and
608         Sized_relobj:free_input_to_output_maps.
609
610 2009-11-06  Ian Lance Taylor  <iant@google.com>
611
612         PR 10876
613         * defstd.cc (in_segment): Set only_if_ref true for "end".
614
615 2009-11-06  Doug Kwan  <dougkwan@google.com>
616
617         * arm.cc (class Reloc_stub): Correct a comment.
618         (Target_arm::Target_arm): Initialize arm_input_section_map_.
619         (Target_arm::scan_section_for_stubs): New method declaration.
620         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
621         Change methods from private to protected.
622         (Target_arm::do_may_relax): New method definition.
623         (Target_arm::do_relax, Target_arm::group_sections,
624         Target_arm::scan_reloc_for_stub,
625         Target_arm::scan_reloc_section_for_stubs): New method declarations.
626         (Target_arm::arm_input_section_map_): New data member declaration.
627         (Target_arm::scan_reloc_for_stub,
628         Target_arm::scan_reloc_section_for_stubs,
629         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
630         Target_arm::do_relax): New method definitions.
631
632 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
633
634         * configure.ac: Check for (struct stat)::st_mtim
635         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
636         * config.in: Regenerate.
637         * configure: Regenerate.
638
639 2009-11-05  Ian Lance Taylor  <iant@google.com>
640
641         PR 10910
642         * output.cc (Output_segment::add_output_section): Add missing
643         return statement.
644
645 2009-11-04  Ian Lance Taylor  <iant@google.com>
646
647         PR 10880
648         * object.h (class Object): Add is_needed and set_is_needed
649         methods.  Add is_needed_ field.  Make bool fields into bitfields.
650         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
651         defined in a dynamic object and referenced by a regular object,
652         set is_needed for the dynamic object.
653         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
654         if the file is marked with as_needed and it is not needed.
655
656 2009-11-04  Ian Lance Taylor  <iant@google.com>
657
658         PR 10887
659         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
660         tags if data is discarded by linker script.
661         * i386.cc (Target_i386::do_finalize_sections): Likewise.
662         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
663         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
664         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
665
666 2009-11-04  Ian Lance Taylor  <iant@google.com>
667
668         * layout.cc (Layout::get_output_section): Add is_interp and
669         is_dynamic_linker_section parameters.  Change all callers.
670         (Layout::choose_output_section): Likewise.
671         (Layout::make_output_section): Likewise.
672         (Layout::add_output_section_data): Add is_dynamic_linker_section
673         parameter.  Change all callers.
674         * layout.h (class Layout): Update declarations.
675         * output.h (class Output_section): Add is_interp, set_is_interp,
676         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
677         Add is_interp_, is_dynamic_linker_section_ fields.  Change
678         generate_code_fills_at_write_ to a bitfield.
679         * output.cc (Output_section::Output_sections): Initialize new
680         fields.
681         (Output_segment::add_output_section): Add do_sort parameter.
682         Change all callers.
683
684 2009-11-03  Ian Lance Taylor  <iant@google.com>
685
686         PR 10860
687         * options.h (class General_options): Add --warn-common.
688         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
689         merging two common symbols.
690         (Symbol_table::should_override): Handle --warn-common when merging
691         a common symbol with a defined symbol.  Use report_resolve_problem
692         for multiple definitions.
693         (Symbol_table::report_resolve_problem): New function.
694         * symtab.h (class Symbol_table): Declare report_resolve_problem.
695
696 2009-11-03  Doug Kwan  <dougkwan@google.com>
697
698         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
699         stub_factory_.
700         (Target_arm::stub_factory): New method definition.
701         (Target_arm::new_arm_input_section,
702         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
703         Target_arm::reloc_uses_thumb_bit): New method declarations.
704         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map): 
705         New type definitions.
706         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
707         member declarations.
708         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
709         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
710         New method definitions.
711
712 2009-11-03  Ian Lance Taylor  <iant@google.com>
713
714         * options.h (class General_options): Add --warn_constructors.
715
716 2009-11-03  Ian Lance Taylor  <iant@google.com>
717
718         PR 10893
719         * defstd.cc (in_section): Add entries for __rel_iplt_start,
720         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
721
722 2009-11-03  Ian Lance Taylor  <iant@google.com>
723
724         PR 10895
725         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
726         --msgid-bugs-address.
727         (install-pdf): New target.
728         (install-data_yes): Look up one directory to find mkinstalldirs.
729
730 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
731
732         * po/Make-in (.po.gmo): Don't generate .gmo files in source
733         tree.
734
735 2009-10-30  Doug Kwan  <dougkwan@google.com>
736
737         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
738
739 2009-10-30  Doug Kwan  <dougkwan@google.com>
740
741         * arm.cc (Stub_addend_reader): New struct template definition
742         and partial specializations.
743         (Stub_addend_reader::operator()): New method definition for a
744         partially specialized template.
745
746 2009-10-30  Doug Kwan  <dougkwan@google.com>
747
748         * arm.cc (Arm_relobj::processor_specific_flags): New method
749         definition.
750         (Arm_relobj::do_read_symbols): New method declaration.
751         (Arm_relobj::processor_specific_flags_): New data member declaration.
752         (Arm_dynobj): New class definition.
753         (Target_arm::do_finalize_sections): Add input_objects parameter.
754         (Target_arm::do_adjust_elf_header): New method declaration.
755         (Target_arm::are_eabi_versions_compatible,
756         (Target_arm::merge_processor_specific_flags): New method declaration.
757         (Target_arm::do_make_elf_object): New overloaded method definitions
758         and declaration.
759         (Arm_relobj::do_read_symbols): New method definition.
760         (Arm_dynobj::do_read_symbols): Ditto.
761         (Target_arm::do_finalize_sections): Add input_objects parameters.
762         Merge processor-specific flags from all input objects.
763         (Target_arm::are_eabi_versions_compatible,
764         Target_arm::merge_processor_specific_flags,
765         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
766         New method definitions.
767         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
768         Input_objects pointer type parameter.
769         * layout.cc (Layout::finalize): Pass input objects to target's.
770         finalize_sections function.
771         * output.cc (Output_file_header::do_sized_write): Set ELF file
772         header's processor-specific flags.
773         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
774         Input_objects pointer type parameter.
775         * sparc.cc (Target_sparc::do_finalize_sections): Same.
776         * target.h (Input_objects): New forward class declaration.
777         (Target::processor_specific_flags,
778         Target::are_processor_specific_flags_sect): New method definitions.
779         (Target::finalize_sections): Add input_objects parameter.
780         (Target::Target): Initialize processor_specific_flags_ and
781         are_processor_specific_flags_set_.
782         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
783         parameter.
784         (Target::set_processor_specific_flags): New method definition.
785         (Target::processor_specific_flags_,
786         Target::are_processor_specific_flags_set_): New data member
787         declarations.
788         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
789         Input_objects pointer type parameter.
790
791 2009-10-30  Doug Kwan  <dougkwan@google.com>
792
793         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
794
795 2009-10-28  Ian Lance Taylor  <iant@google.com>
796
797         * object.h (class Relobj): Drop options parameter from
798         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
799         do_scan_relocs, do_relocate.  Change all callers.
800         (class Sized_relobj): Drop options parameters from
801         do_gc_process_relocs, do_scan_relocs, do_relocate,
802         do_relocate_sections, relocate_sections, emit_relocs_scan,
803         emit_relocs_scan_reltype.  Change all callers.
804         (struct Relocate_info): Remove options field and all references to
805         it.
806         * reloc.h (class Read_relocs): Remove options constructor
807         parameter and options_ field.  Change all callers.
808         (class Gc_process_relocs, class Scan_relocs): Likewise.
809         (class Relocate_task): Likewise.
810         * target-reloc.h (scan_relocs): Remove options parameter.  Change
811         all callers.
812         (scan_relocatable_relocs): Likewise.
813         * target.h (class Sized_target): Remove options parameter from
814         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
815         all callers.
816         * gc.h (gc_process_relocs): Remove options parameter.  Change all
817         callers.
818         * arm.cc: Update functions to remove options parameters.
819         * i386.cc: Likewise.
820         * powerpc.cc: Likewise.
821         * sparc.cc: Likewise.
822         * x86_64.cc: Likewise.
823         * testsuite/testfile.cc: Likewise.
824
825 2009-10-28  Doug Kwan  <dougkwan@google.com>
826
827         * arm.cc (Arm_relobj): New class definition.
828         (Arm_relobj::scan_sections_for_stubs, 
829         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
830         New method definitions.
831
832 2009-10-28  Cary Coutant  <ccoutant@google.com>
833
834         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
835         (Plugin::cleanup_done_): New member.
836         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
837         (Plugin_manager::cleanup_done_): Remove.
838         (Plugin_manager::add_input_file): Edit error message.
839         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
840         (Plugin_manager::cleanup): Remove use of cleanup_done_.
841
842 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
843
844         * fileread.cc: (File_read::View::~View): Use the new
845         data_ownership_ filed.
846         (File_read::~File_read): Dispose the new whole_file_view_.
847         (File_read::open): Mmap the whole file if needed.
848         (File_read::open): Use whole_file_view_ instead of contents_.
849         (File_read::find_view): Use whole_file_view_ if applicable.
850         (File_read::do_read): Use whole_file_view_ instead of contents_.
851         (File_read::make_view): Use whole_file_view_ instead of contents_,
852         update File_read::View::View call.
853         (File_read::find_or_make_view): Update File_read::View::View
854         call.
855         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
856         remove contents_
857         (File_read::View::Data_ownership): New enum.
858         (File_read::View::View): Replace bool mapped_ with Data_ownership
859         argument.
860         (File_read::View::mapped_): Remove (replaced by data_ownership_).
861         (File_read::View::data_ownership_): New field.
862         (File_read::contents_): Remove (replaced by whole_file_view_).
863         (File_read::whole_file_view_): New field.
864         * options.h (class General_options): Add --keep-files-mapped.
865
866 2009-10-27  Cary Coutant  <ccoutant@google.com>
867
868         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
869         * testsuite/Makefile.am (plugin_test_5): New test case.
870         * testsuite/Makefile.in: Regenerate.
871
872 2009-10-25  Doug Kwan  <dougkwan@google.com>
873
874         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
875         from private to protected to allow access by child class.
876         (Sized_relobj::do_relocate_sections): New method declaration.
877         (Sized_relobj::relocate_sections): Virtualize.
878         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from 
879         Sized_relobj::relocate_sections.  Instantiate template explicitly
880         for different target sizes and endianity.
881
882 2009-10-24  Doug Kwan  <dougkwan@google.com>
883
884         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
885         (Arm_input_section::as_arm_input_section): New method.
886         (Arm_output_section): New class definition.
887         (Arm_output_section::create_stub_group,
888         Arm_output_section::group_sections): New method definitions.
889
890 2009-10-22  Doug Kwan  <dougkwan@google.com>
891
892         * arm.cc (Arm_input_section): New class definition.
893         (Arm_input_section::init, Arm_input_section:do_write,
894         Arm_input_section::set_final_data_size,
895         Arm_input_section::do_reset_address_and_file_offset): New method
896         definitions.
897
898 2009-10-21  Doug Kwan  <dougkwan@google.com>
899
900         * arm.cc (Stub_table, Arm_input_section): New forward class
901         declarations.
902         (Stub_table): New class defintion.
903         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
904         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
905         New method definition.
906
907 2009-10-21  Doug Kwan  <dougkwan@google.com>
908
909         * arm.cc: Update copyright comments.
910         (Target_arm): New forward class template declaration.
911         (Arm_address): New type.
912         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
913         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
914         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
915         constants.
916         (Insn_template): Same.
917         (DEF_STUBS): New macro.
918         (Stub_type): New enum type.
919         (Stub_template): New class definition.
920         (Stub): Same.
921         (Reloc_stub): Same.
922         (Stub_factory): Same.
923         (Target_arm::Target_arm): Initialize may_use_blx_ and
924         should_force_pic_veneer_.
925         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
926         Target_arm::should_force_pic_veneer,
927         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
928         Target_arm::using_thumb_only, Target_arm:;default_target): New
929         method defintions.
930         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
931         New data member declarations.
932         (Insn_template::size, Insn_template::alignment): New method defintions.
933         (Stub_template::Stub_template): New method definition.
934         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
935         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
936         (Stub_factory::Stub_factory): New method definition.
937         * gold.h (string_hash): New template.
938         * output.h (Input_section_specifier::hash_value): Use
939         gold::string_hash.
940         (Input_section_specifier::string_hash): Remove.
941         * stringpool.cc (Stringpool_template::string_hash): Use
942         gold::string_hash.
943
944 2009-10-20  Doug Kwan  <dougkwan@google.com>
945
946         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
947         symbols of relaxed input sections.
948         * output.h (Output_section::find_relaxed_input_section): Make
949         method public.
950
951 2009-10-16  Doug Kwan  <dougkwan@google.com>
952
953         * dynobj.cc (Versions::Versions): Initialize version_script_.
954         Only insert base version symbol definition for a shared object
955         if version script defines any version versions.
956         (Versions::define_base_version): New method definition.
957         (Versions::add_def): Check that base version is not needed.
958         (Versions::add_need): Define base version lazily.
959         * dynobj.h (Versions::define_base_version): New method declaration.
960         (Versions::needs_base_version_): New data member declaration.
961         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
962         (check_DATA): Add no_version_test.stdout.
963         (libno_version_test.so, no_version_test.o no_version_test.stdout):
964         New make rules.
965         * testsuite/Makefile.in: Regenerate.
966         * testsuite/no_version_test.c: New file.
967         * testsuite/no_version_test.sh: Ditto.
968
969 2009-10-16  Doug Kwan  <dougkwan@google.com>
970
971         * expression.cc (class Segment_start_expression): New class definition.
972         (Segment_start_expression::value): New method definition.
973         (script_exp_function_segment_start): Return a new
974         Segment_start_expression.
975         * gold/script-c.h (script_saw_segment_start_expression): New function
976         prototype.
977         * script-sections.cc (Script_sections::Script_sections): Initialize
978         SAW_SEGMENT_START_EXPRESSION_ to false.
979         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
980         and -Tbbs options to specify section addresses if given in
981         command line and no SEGMENT_START expression is seen in a script.
982         * script-sections.h (Script_sections::saw_segment_start_expression,
983         Script_sections::set_saw_segment_start_expression): New method
984         definition.
985         (Script_sections::saw_segment_start_expression_): New data member
986         declaration.
987         * script.cc (script_saw_segment_start_expression): New function.
988         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
989         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
990         script_test_7.sh and script_test_8.sh.
991         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
992         script_test_8.stdout.
993         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
994         (script_test_6, script_test_6.stdout, script_test_7,
995         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
996         * Makefile.in: Regenerate.
997         * testsuite/script_test_6.sh: New file.
998         * testsuite/script_test_6.t: Same.
999         * testsuite/script_test_7.sh: Same.
1000         * testsuite/script_test_7.t: Same.
1001         * testsuite/script_test_8.sh: Same.
1002
1003 2009-10-16  Doug Kwan  <dougkwan@google.com>
1004
1005         * output.cc (Output_segment::set_section_list_address): Cast
1006         expressions to unsigned long long type to avoid format warnings.
1007
1008 2009-10-15  Ian Lance Taylor  <iant@google.com>
1009
1010         * script.cc (Script_options::add_symbol_assignment): Always add a
1011         dot assignment to script_sections_.
1012         * script-sections.cc (Script_sections::add_dot_assignment):
1013         Initialize if necessary.
1014
1015         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
1016         program headers with no load segment if there is a linker script.
1017
1018         * layout.cc (Layout::set_segment_offsets): Align the file offset
1019         to the segment aligment for -N or -n with no load segment.
1020         * output.cc (Output_segment::add_output_section): Don't crash if
1021         the first section is a TLS section.
1022         (Output_segment::set_section_list_addresses): Print an error
1023         message if the address moves backward in a linker script.
1024         * script-sections.cc
1025         (Output_section_element_input::set_section_addresses): Don't
1026         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
1027         (Orphan_output_section::set_section_addresses): Likewise.
1028
1029 2009-10-15  Doug Kwan  <dougkwan@google.com>
1030
1031         * layout.cc (Layout::finish_dynamic_section): Generate tags
1032         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
1033         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
1034         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
1035
1036 2009-10-14  Ian Lance Taylor  <iant@google.com>
1037
1038         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
1039         fields.
1040         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
1041         data_shdr fields of relinfo.
1042         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
1043         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
1044         R_386_TLS_LDO_32, adjust based on section flags.
1045         (Target_i386::Relocate::fix_up_ldo): Remove.
1046
1047 2009-10-13  Ian Lance Taylor  <iant@google.com>
1048
1049         Add support for -pie.
1050         * options.h (class General_options): Add -pie and
1051         --pic-executable.
1052         (General_options::output_is_position_independent): Test -pie.
1053         (General_options::output_is_executable): Return true if not shared
1054         and not relocatable.
1055         (General_options::output_is_pie): Remove.
1056         * options.cc (General_options::finalize): Reject incompatible uses
1057         of -pie.
1058         * gold.cc (queue_middle_tasks): A -pie link is not static.
1059         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
1060         * symtab.cc (Symbol::final_value_is_known): Return false if
1061         output_is_position_independent.
1062         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
1063         output_is_position_independent.
1064         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
1065         output_is_position_independent.
1066         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
1067         output_is_position_independent.
1068         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
1069         two_file_pie_test.
1070         (basic_pie_test.o, basic_pie_test): New targets.
1071         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
1072         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
1073         (two_file_pie_test): New target.
1074         * testsuite/Makefile.in: Rebuild.
1075         * README: Remove note saying that -pie is not supported.
1076
1077 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1078
1079         * options.h (class General_options): Add -init and -fini.
1080         * layout.cc (Layout::finish_dynamic_section): Emit
1081         given init and fini functions.
1082
1083 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
1084
1085         * gc.h (gc_process_relocs): Check if icf is enabled using new
1086         function.
1087         * gold.cc (queue_initial_tasks): Likewise.
1088         (queue_middle_tasks): Likewise.
1089         * object.cc (do_layout): Likewise.
1090         * symtab.cc (is_section_folded): Likewise.
1091         * main.cc (main): Likewise.
1092         * reloc.cc (Read_relocs::run): Likewise.
1093         (Sized_relobj::do_scan_relocs): Likewise.
1094         * icf.cc (is_function_ctor_or_dtor): New function.
1095         (Icf::find_identical_sections): Check if function is ctor or dtor when
1096         safe icf is chosen.
1097         * options.h (General_options::icf): Change option to be an enum.
1098         (Icf_status): New enum.
1099         (icf_enabled): New method.
1100         (icf_safe_folding): New method.
1101         (set_icf_status): New method.
1102         (icf_status_): New variable.
1103         * (options.cc) (General_options::finalize): Set icf_status_.
1104         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
1105         icf_test and icf_keep_unique_test to use the --icf enum flag.
1106         * testsuite/icf_safe_test.sh: New file.
1107         * testsuite/icf_safe_test.cc: New file. 
1108
1109 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
1110
1111         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
1112         includes to gc.h and icf.h.
1113         * arm.cc: Include gc.h.
1114         * gold.cc: Likewise.
1115         * i386.cc: Likewise.
1116         * powerpc.cc: Likewise.
1117         * sparc.cc: Likewise.
1118         * x86_64.cc: Likewise.
1119         * gc.h: Include icf.h.
1120
1121 2009-10-11  Ian Lance Taylor  <iant@google.com>
1122
1123         * plugin.cc: Include "gold.h" before other header files.
1124
1125 2009-10-10  Chris Demetriou  <cgd@google.com>
1126
1127         * options.h (Input_file_argument::Input_file_type): New enum.
1128         (Input_file_argument::is_lib_): Replace with...
1129         (Input_file_argument::type_): New member.
1130         (Input_file_argument::Input_file_argument): Take Input_file_type
1131         'type' rather than boolean 'is_lib' as second argument.
1132         (Input_file_argument::is_lib): Use type_.
1133         (Input_file_argument::is_searched_file): New function.
1134         (Input_file_argument::may_need_search): Handle is_searched_file.
1135         * options.cc (General_options::parse_library): Support -l:filename.
1136         (General_options::parse_just_symbols): Update for Input_file_argument
1137         changes.
1138         (Command_line::process): Likewise.
1139         * archive.cc (Archive::get_file_and_offset): Likewise.
1140         * plugin.cc (Plugin_manager::release_input_file): Likewise.
1141         * script.cc (read_script_file, script_add_file): Likewise.
1142         * fileread.cc (Input_file::Input_file): Likewise.
1143         (Input_file::will_search_for): Handle is_searched_file.
1144         (Input_file::open): Likewise.
1145         * readsyms.cc (Read_symbols::get_name): Likewise.
1146         * testsuite/Makefile.am (searched_file_test): New test.
1147         * testsuite/Makefile.in: Regenerate.
1148         * testsuite/searched_file_test.cc: New file.
1149         * testsuite/searched_file_test_lib.cc: New file.
1150
1151 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1152             Ian Lance Taylor  <iant@google.com>
1153
1154         * descriptor.cc: Include <cstdio> and "binary-io.h".
1155         (Descriptors::open): Open the files in binary mode always.
1156         * script.cc (Lex::get_token): Treat \r as whitespace.
1157
1158 2009-10-09  Ian Lance Taylor  <iant@google.com>
1159
1160         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
1161
1162 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1163             Ian Lance Taylor  <iant@google.com>
1164
1165         * configure.ac: Check for readv function also.
1166         * fileread.cc (readv): Define if not HAVE_READV.
1167         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
1168         does not exist.
1169         * config.in: Regenerate.
1170         * configure: Regenerate.
1171
1172 2009-10-09  Doug Kwan  <dougkwan@google.com>
1173
1174         * layout.cc (Layout::make_output_section): Call target hook to make
1175         ordinary output section.
1176         (Layout::finalize): Adjust parameter list of call the
1177         Target::may_relax().
1178         * layout.h (class Layout::section_list): New method.
1179         * merge.h (Output_merge_base::entsize): Change visibility to public.
1180         (Output_merge_base::is_string, Output_merge_base::do_is_string):
1181         New methods.
1182         (Output_merge_string::do_is_string): New method.
1183         * object.cc (Sized_relobj::do_setup): renamed from
1184         Sized_relobj::set_up.
1185         * object.h (Sized_relobj::adjust_shndx,
1186         Sized_relobj::initializ_input_to_output_maps,
1187         Sized_relobj::free_input_to_output_maps): Change visibilities to
1188         protected.
1189         (Sized_relobj::setup): Virtualize.
1190         (Sized_relobj::do_setup): New method declaration.
1191         (Sized_relobj::invalidate_section_offset,
1192         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
1193         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
1194         * options.cc (parse_int): New function.
1195         * options.h (parse_int): New declaration.
1196         (DEFINE_int): New macro.
1197         (stub_group_size): New option.
1198         * output.cc (Output_section::Output_section): Initialize memebers
1199         merge_section_map_, merge_section_by_properties_map_,
1200         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
1201         (Output_section::add_input_section): Handled deferred code-fill
1202         generation and remove an old comment.
1203         (Output_section::add_relaxed_input_section): New method definition.
1204         (Output_section::add_merge_input_section): Use merge section by
1205         properties map to speed to search.  Update merge section maps
1206         as appropriate.
1207         (Output_section::build_relaxation_map): New method definition.
1208         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
1209         Same.
1210         (Output_section::relax_input_section): Renamed to
1211         Output_section::convert_input_sections_to_relaxed_sections and change
1212         interface to take a vector of pointers to relaxed sections.
1213         (Output_section::find_merge_section,
1214         Output_section::find_relaxed_input_section): New method definitions.
1215         (Output_section::is_input_address_mapped,
1216         Output_section::output_offset, Output_section::output_address):
1217         Use output section data maps to speed up searching.
1218         (Output_section::find_starting_output_address): Add comments.
1219         (Output_section::do_write,
1220         Output_section::write_to_postprocessing_buffer): Do code-fill
1221         generation as appropriate.
1222         (Output_section::get_input_sections): Invalidate relaxed input section
1223         map.
1224         (Output_section::restore_states): Adjust type of checkpoint .
1225         Invalidate relaxed input section map.
1226         * output.h (Output_merge_base): New class declaration.
1227         (Input_section_specifier): New class defintion.
1228         (class Output_relaxed_input_section) Change base class to
1229         Output_section_data_build.
1230         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
1231         base class initializer.
1232         (Output_section::add_relaxed_input_section): New method declaration.
1233         (Output_section::Input_section): Change visibility to protected.
1234         (Output_section::Input_section::relobj,
1235         Output_section::Input_section::shndx): Handle relaxed input sections.
1236         Output_section::input_sections) Change visibility to protected.  Also
1237         define overload to return a non-const pointer.
1238         (Output_section::Merge_section_properties): New class defintion.
1239         (Output_section::Merge_section_by_properties_map,
1240         Output_section::Output_section_data_by_input_section_map,
1241         Output_section::Relaxation_map): New types.
1242         (Output_section::relax_input_section): Rename method to
1243         Output_section::convert_input_sections_to_relaxed_sections and change
1244         interface to take a vector of relaxed section pointers.
1245         (Output_section::find_merge_section,
1246         Output_section::find_relaxed_input_section,
1247         Output_section::build_relaxation_map,
1248         Output_section::convert_input_sections_in_list_to_relaxed_sections):
1249         New method declarations.
1250         (Output_section::merge_section_map_
1251         Output_section::merge_section_by_properties_map_,
1252         Output_section::relaxed_input_section_map_,
1253         Output_section::is_relaxed_input_section_map_valid_,
1254         Output_section::generate_code_fills_at_write_): New data members.
1255         * script-sections.cc
1256         (Output_section_element_input::set_section_addresses): Call
1257         current_data_size and addralign methods of relaxed input sections.
1258         (Orphan_output_section::set_section_addresses): Call current_data_size
1259         and addralign methods of relaxed input sections.
1260         * symtab.cc (Symbol_table::compute_final_value): Extract template
1261         from the body of Symbol_table::sized_finalize_symbol.
1262         (Symbol_table::sized_finalized_symbol): Call
1263         Symbol_table::compute_final_value.
1264         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
1265         (Symbol_table::compute_final_value): New templated method declaration.
1266         * target.cc (Target::do_make_output_section): New method defintion.
1267         * target.h (Target::make_output_section): New method declaration.
1268         (Target::relax): Add more parameters for input objects, symbol table
1269         and layout.  Adjust call to do_relax.
1270         (Target::do_make_output_section): New method declaration.
1271         (Target::do_relax): Add parameters for input objects, symbol table
1272         and layout.
1273
1274 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1275
1276         * pread.c: Include stdio.h.
1277
1278 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1279
1280         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
1281         defined.
1282
1283 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1284
1285         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
1286         Change read_shndx type to unsigned int.
1287         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
1288         int.
1289         (Sized_dwarf_line_info::read_line_mappings): Likewise.
1290         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
1291         Change read_shndx type to unsigned int.
1292         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
1293         int.
1294         (Sized_dwarf_line_info::read_line_mappings): Likewise.
1295         * layout.cc (Layout::create_symtab_sections): Cast the result of
1296         local_symcount * symsize to off_t in the gold_assert.
1297
1298 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1299
1300         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
1301         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
1302         R_ARM_BASE_ABS.
1303         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
1304         (Arm_relocate_functions::thm_abs5): New function.
1305         (Arm_relocate_functions::abs12): New function.
1306         (Arm_relocate_functions::abs16): New function.
1307         (Arm_relocate_functions::base_abs): New function.
1308         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
1309         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
1310         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
1311         R_ARM_BASE_ABS.
1312         (Scan::global): Likewise.
1313         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
1314         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
1315         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
1316         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
1317         R_ARM_BASE_ABS.
1318
1319 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1320
1321         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
1322         (Arm_relocate_functions::movt_prel): New function.
1323         (Arm_relocate_functions::thm_movw_prel_nc): New function.
1324         (Arm_relocate_functions::thm_movt_prel): New function.
1325         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
1326         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
1327         (Scan::global, Relocate::relocate): Likewise.
1328         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
1329
1330 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
1331
1332         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
1333         Incremental_checker.
1334         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
1335         unsigned int.
1336         (class Incremental_inputs_header): New class.
1337         (Incremental_inputs_header_writer): Edit comment.
1338         (Incremental_inputs_entry): New class.
1339         (Incremental_inputs_entry_writer): Edit comment.
1340         (Sized_incremental_binary::do_find_incremental_inputs_section):
1341         Add *strtab_shndx parameter, fill it.
1342         (Sized_incremental_binary::do_check_inputs): New method.
1343         (Incremental_checker::can_incrementally_link_output_file): Use
1344         Sized_incremental_binary::check_inputs.
1345         (Incremental_inputs::report_command_line): Save command line in
1346         command_line_.
1347         * incremental.h:
1348         (Incremental_binary::find_incremental_inputs_section): New
1349         method.
1350         (Incremental_binary::do_find_incremental_inputs_section): Add
1351         strtab_shndx parameter.
1352         (Incremental_binary::do_check_inputs): New pure virtual method.
1353         (Sized_incremental_binary::do_check_inputs): Declare.
1354         (Incremental_checker::Incremental_checker): Add incremental_inputs
1355         parameter, use it to initialize incremental_inputs_.
1356         (Incremental_checker::incremental_inputs_): New field.
1357         (Incremental_checker::command_line): New method.
1358         (Incremental_checker::inputs): New method.
1359         (Incremental_checker::command_line_): New field.
1360
1361 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
1362
1363         * incremental.cc: Include <cstdarg> and "target-select.h".
1364         (vexplain_no_incremental): New function.
1365         (explain_no_incremental): New function.
1366         (Incremental_binary::error): New method.
1367         (Sized_incremental_binary::do_find_incremental_inputs_section): New
1368         method.
1369         (make_sized_incremental_binary): New function.
1370         (open_incremental_binary): New function.
1371         (can_incrementally_link_file): Add checks if output is ELF and has
1372         inputs section.
1373         * incremental.h: Include "elfcpp_file.h" and "output.h".
1374         (Incremental_binary): New class.
1375         (Sized_incremental_binary): New class.
1376         (open_incremental_binary): Declare.
1377         * object.cc (is_elf_object): Use
1378         elfcpp::Elf_recognizer::is_elf_file.
1379         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
1380         * output.h (Output_file::filesize): New method.
1381
1382 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1383
1384         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
1385         New function.
1386         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
1387         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
1388         function.
1389         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
1390         function.
1391         (Arm_relocate_functions::movw_abs_nc): New function.
1392         (Arm_relocate_functions::movt_abs): New function.
1393         (Arm_relocate_functions::thm_movw_abs_nc): New function.
1394         (Arm_relocate_functions::thm_movt_abs): New function.
1395         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
1396         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
1397         (Scan::global): Likewise.
1398         (Relocate::relocate): Likewise.
1399         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
1400
1401 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1402
1403         * arm.cc (Arm_relocate_functions::got_prel) New function.
1404         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
1405         (Relocate::relocate): Likewise.
1406         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
1407
1408 2009-10-06  Ian Lance Taylor  <iant@google.com>
1409
1410         * options.h (class General_options): Define
1411         split_stack_adjust_size parameter.
1412         * object.h (class Object): Add uses_split_stack_ and
1413         has_no_split_stack_ fields.  Add uses_split_stack and
1414         has_no_split_stack accessor functions.  Declare
1415         handle_split_stack_section.
1416         (class Reloc_symbol_changes): Define.
1417         (class Sized_relobj): Define Function_offsets.  Declare
1418         split_stack_adjust, split_stack_adjust_reltype, and
1419         find_functions.
1420         * object.cc (Object::handle_split_stack_section): New function.
1421         (Sized_relobj::do_layout): Call handle_split_stack_section.
1422         * dynobj.cc (Sized_dynobj::do_layout): Call
1423         handle_split_stack_section.
1424         * reloc.cc (Sized_relobj::relocate_sections): Call
1425         split_stack_adjust for executable sections in split_stack
1426         objects.  Pass reloc_map to relocate_section.
1427         (Sized_relobj::split_stack_adjust): New function.
1428         (Sized_relobj::split_stack_adjust_reltype): New function.
1429         (Sized_relobj::find_functions): New function.
1430         * target-reloc.h: Include "object.h".
1431         (relocate_section): Add reloc_symbol_changes parameter.  Change
1432         all callers.
1433         * target.h (class Target): Add calls_non_split method.  Declare
1434         do_calls_non_split virtual method.  Declare match_view and
1435         set_view_to_nop.
1436         * target.cc: Include "elfcpp.h".
1437         (Target::do_calls_non_split): New function.
1438         (Target::match_view): New function.
1439         (Target::set_view_to_nop): New function.
1440         * gold.cc (queue_middle_tasks): Give an error if mixing
1441         split-stack and non-split-stack objects with -r.
1442         * i386.cc (Target_i386::relocate_section): Add
1443         reloc_symbol_changes parameter.
1444         (Target_i386::do_calls_non_split): New function.
1445         * x86_64.cc (Target_x86_64::relocate_section): Add
1446         reloc_symbol_changes parameter.
1447         (Target_x86_64::do_calls_non_split): New function.
1448         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
1449         parameter.
1450         * powerpc.cc (Target_powerpc::relocate_section): Add
1451         reloc_symbol_changes parameter.
1452         * sparc.cc (Target_sparc::relocate_section): Add
1453         reloc_symbol_changes parameter.
1454         * configure.ac: Call AM_CONDITIONAL for the default target.
1455         * configure: Rebuild.
1456         * testsuite/Makefile.am (TEST_AS): New variable.
1457         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
1458         (check_DATA): Add split_i386 and split_x86_64 files.
1459         (SPLIT_DEFSYMS): Define.
1460         (split_i386_[1234n].o): New targets.
1461         (split_i386_[124]): New targets.
1462         (split_i386_[1234r].stdout): New targets.
1463         (split_x86_64_[1234n].o): New targets.
1464         (split_x86_64_[124]): New targets.
1465         (split_x86_64_[1234r].stdout): New targets.
1466         (MOSTLYCLEANFILES): Add new executables.
1467         * testsuite/split_i386.sh: New file.
1468         * testsuite/split_x86_64.sh: New file.
1469         * testsuite/split_i386_1.s: New file.
1470         * testsuite/split_i386_2.s: New file.
1471         * testsuite/split_i386_3.s: New file.
1472         * testsuite/split_i386_4.s: New file.
1473         * testsuite/split_i386_n.s: New file.
1474         * testsuite/split_x86_64_1.s: New file.
1475         * testsuite/split_x86_64_2.s: New file.
1476         * testsuite/split_x86_64_3.s: New file.
1477         * testsuite/split_x86_64_4.s: New file.
1478         * testsuite/split_x86_64_n.s: New file.
1479         * testsuite/testfile.cc (Target_test): Update relocation_section
1480         function.
1481         * testsuite/Makefile.in: Rebuild.
1482
1483 2009-10-06  Ian Lance Taylor  <iant@google.com>
1484
1485         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
1486         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
1487         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
1488         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
1489         the address on ldo_addrs_.
1490         (Target_i386::Relocate::fix_up_ldo): New function.
1491
1492 2009-10-06   Rafael Espindola  <espindola@google.com>
1493
1494         * plugin.cc (add_input_library): New.
1495         (Plugin::load): Add add_input_library to tv.
1496         (Plugin_manager::add_input_file): Add the is_lib argument.
1497         (add_input_file): Update call to Plugin_manager::add_input_file.
1498         (add_input_library): New.
1499         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
1500
1501 2009-09-30  Doug Kwan  <dougkwan@google.com>
1502
1503         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
1504         symbol and call Symbol::may_need_copy_reloc to determine if
1505         a copy reloc is needed.
1506         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
1507         nocopyreloc is given in command line.
1508         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
1509         given in command line.
1510         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
1511         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
1512         of the removed Target_i386::may_need_copy_reloc.
1513         * options.h (copyreloc): New option with default value false.
1514         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
1515         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
1516         instead of the removed Target_powerpc::may_need_copy_reloc.
1517         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
1518         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
1519         instead of the removed Target_sparc::may_need_copy_reloc.
1520         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
1521         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
1522         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
1523         instead of the removed Target_x86_64::may_need_copy_reloc.
1524
1525 2009-09-30  Ian Lance Taylor  <iant@google.com>
1526
1527         * object.h (class Object): Remove target_ field, and target,
1528         sized_target, and set_target methods.
1529         (Object::sized_target): Remove.
1530         (class Sized_relobj): Update declarations.  Remove sized_target.
1531         * object.cc (Sized_relobj::setup): Remove target parameter.
1532         Change all callers.
1533         (Input_objects::add_object): Don't do anything with the target.
1534         (make_elf_sized_object): Add punconfigured parameter.  Change all
1535         callers.  Set or test parameter target.
1536         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
1537         Change all callers.
1538         * parameters.cc (Parameters::set_target): Change parameter type to
1539         be non-const.
1540         (Parameters::default_target): Remove.
1541         (set_parameters_target): Change parameter type to be non-const.
1542         (parameters_force_valid_target): New function.
1543         (parameters_clear_target): New function.
1544         * parameters.h (class Parameters): Update declarations.  Remove
1545         default_target method.  Add sized_target and clear_target
1546         methods.  Change target_ to be non-const.
1547         (set_parameters_target): Update declaration.
1548         (parameters_force_valid_target): Declare.
1549         (parameters_clear_target): Declare.
1550         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
1551         as NULL if we aren't searching.
1552         (Add_symbols::run): Don't check for compatible target.
1553         * fileread.cc (Input_file::open_binary): Call
1554         parameters_force_valid_target.
1555         * gold.cc (queue_middle_tasks): Likewise.
1556         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
1557         set_target on object.
1558         * dynobj.h (class Sized_dynobj): Update declarations.
1559         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
1560         make_elf_object returns NULL.
1561         (Archive::include_member): Don't check whether object target is
1562         compatible.
1563         * output.cc (Output_section::add_input_section): Get target from
1564         parameters.
1565         (Output_section::relax_input_section): Likewise.
1566         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
1567         parameters.
1568         (Sized_relobj::do_scan_relocs): Likewise.
1569         (Sized_relobj::relocate_sections): Likewise.
1570         * resolve.cc (Symbol_table::resolve): Likewise.
1571         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
1572         parameter.  Change all callers.
1573         (Symbol_table::add_from_object): Get target from parameters.
1574         (Symbol_table::add_from_relobj): Don't check object target.
1575         (Symbol_table::add_from_dynobj): Likewise.
1576         (Symbol_table::define_special_symbol): Get target from
1577         parameters.
1578         * symtab.h (class Symbol_table): Update declaration.
1579         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
1580         parameter.  Change all callers.  Clear parameter target.
1581         (Binary_test): Test target here.
1582         * testsuite/object_unittest.cc (gold_testsuite): Remove
1583         target_test_pointer parameter.  Change all callers.
1584         (Object_test): Test target here.
1585
1586 2009-09-26  Ian Lance Taylor  <iant@google.com>
1587
1588         * testsuite/initpri1.c: Don't try to use constructor priorities if
1589         compiling with gcc before 4.3.
1590
1591 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
1592
1593         * testsuite/retain_symbols_file_test.sh (check_present): Change
1594         output file name to retain_symbols_file_test.stdout.
1595         (check_absent): Likewise.
1596
1597 2009-09-18  Craig Silverstein  <csilvers@google.com>
1598
1599         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
1600         * options.cc: Include <cerrno> and <fstream>.
1601         (General_options::finalize): Parse -retain-symbols-file tag.
1602         * options.h: New flag.
1603         (General_options): New method should_retain_symbol, new
1604         variable symbols_to_retain.
1605         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
1606         should_retain_symbol map.
1607         * testsuite/Makefile.am (retain_symbols_file_test): New test.
1608         * testsuite/Makefile.in: Regenerate.
1609         * testsuite/retain_symbols_file_test.sh: New file.
1610
1611 2009-09-18  Nick Clifton  <nickc@redhat.com>
1612
1613         * po/es.po: Updated Spanish translation.
1614
1615 2009-09-17  Doug Kwan  <dougkwan@google.com>
1616
1617         * debug.h (DEBUG_RELAXATION): New constant.
1618         (DEBUG_ALL): Add DEBUG_RELAXATION.
1619         (debug_string_to_enum): Add relaxation debug option.
1620         * layout.cc
1621         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
1622         Layout::Relaxation_debug_check::read_sections,
1623         Layout::Relaxation_debug_check::read_sections): New method definitions.
1624         (Layout::Layout): Initialize data members
1625         record_output_section_data_from_scrips_,
1626         script_output_section_data_list_ and relaxation_debug_check_.
1627         (Layout::save_segments, Layout::restore_segments,
1628         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
1629         Layout::relaxation_loop_body): New method definitions.
1630         (Layout::finalize): Support relaxation.  Move section layout code to
1631         Layout::relaxation_loop_body.
1632         (Layout::set_asection_address_from_script): Move code for orphan
1633         section placement out.
1634         (Layout::place_orphan_sections_in_script): New method definition.
1635         * layout.h (Output_segment_headers, Output_file_header):
1636         New forward class declarations.
1637         (Layout::~Layout): Define.
1638         (Layout::new_output_section_data_from_script): New method definition.
1639         (Layout::place_orphan_sections_in_script): New method declaration.
1640         (Layout::Segment_states): New type declaration.
1641         (Layout::save_segments, Layout::restore_segments,
1642         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
1643         Layout::relaxation_loop_body): New method declarations.
1644         (Layout::Output_section_data_list): New type declaration.
1645         (Layout::Relaxation_debug_check): New class definition.
1646         (Layout::record_output_section_data_from_script_,
1647         Layout::script_output_section_data_list_, Layout::segment_states_,
1648         Layout::relaxation_debug_check_): New data members.
1649         * output.cc: (Output_section_headers::do_size): New method definition.
1650         (Output_section_headers::Output_section_headers): Move size
1651         computation to Output_section_headers::do_size.
1652         (Output_segment_headers::do_size): New method definition.
1653         (Output_file_header::Output_file_header): Move size computation to 
1654         Output_file_header::do_size and call it.
1655         (Output_file_header::do_size): New method definition.
1656         (Output_data_group::Output_data_group): Adjust call to
1657         Output_section_data.
1658         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
1659         (Output_symtab_xindex::do_write): Add array bound check.
1660         (Output_section::Input_section::print_to_mapfile): Handle
1661         RELAXED_INPUT_SECTION_CODE.
1662         (Output_section::Output_section): Initialize data member checkpoint_.
1663         (Output_section::~Output_section): Delete checkpoint object pointed
1664         by checkpoint_.
1665         (Output_section::add_input_section): Always add an Input_section if
1666         relaxing.
1667         (Output_section::add_merge_input_section): Add assert.
1668         (Output_section::relax_input_section): New method definition.
1669         (Output_section::set_final_data_size): Set load address to zero for
1670         an unallocated section.
1671         (Output_section::do_address_and_file_offset_have_reset_values):
1672         New method definition.
1673         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
1674         Handle relaxed input section.
1675         (Output_section::sort_attached_input_sections): Checkpoint input
1676         section list lazily.
1677         (Output_section::get_input_sections): Change type of input_sections to
1678         list of Simple_input_section pointers.  Checkpoint input section list
1679         lazily.  Also handle relaxed input sections.
1680         (Output_section::add_input_section_for_script): Take a reference to
1681         a Simple_input_section object instead of Relobj pointer and section
1682         index as parameter.  Handle relaxed input sections.
1683         (Output_section::save_states, Output_section::restore_states): New
1684         method definitions.
1685         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
1686         (Output_data::is_data_size_fixed): New method definition.
1687         (Output_data::reset_addresss_and_file_offset): Do not reset data size
1688         if it is fixed.
1689         (Output_data::address_and_file_offset_have_reset_values): New method
1690         definition.
1691         (Output_data::do_address_and_file_offset_have_reset_values): New method
1692         definition.
1693         (Output_data::set_data_size): Check that data size is not fixed.
1694         (Output_data::fix_data_size): New method definition.
1695         (Output_data::is_data_size_fixed_): New data member.
1696         (Output_section_headers::set_final_data_size): New method definition.
1697         (Output_section_headers::do_size): New method declaration.
1698         (Output_segment_headers::set_final_data_size): New method definition.
1699         (Output_segment_headers::do_size): New method declaration.
1700         (Output_file_header::set_final_data_size)::New method definition.
1701         (Output_file_header::do_size)::New method declaration.
1702         (Output_section_data::Output_section_data): Add new parameter
1703         is_data_size_fixed and use it to fix data size.
1704         (Output_data_const::Output_data_const): Adjust call to base class
1705         constructor and fix data size.
1706         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
1707         base class constructor and fix data size.
1708         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
1709         base class constructor and fix data size.
1710         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
1711         class constructor and fix data size.
1712         (Output_data_group::set_final_data_size): New method definition.
1713         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
1714         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
1715         class constructor and fix data size.
1716         (Output_relaxed_input_section): New class definition.
1717         (Output_section::Simple_input_section): New class definition.
1718         (Output_section::get_input_sections): Adjust parameter list.
1719         (Output_section::add_input_section_for_script): Same.
1720         (Output_section::save_states, Output_section::restore_states,
1721         Output_section::do_address_and_file_offset_have_reset_values,
1722         (Output_section::Input_section::Input_section): Handle
1723         RELAXED_INPUT_SECTION_CODE.  Add new overload for
1724         Output_relaxed_input_section.
1725         (Output_section::Input_section::is_input_section,
1726         Output_section::Input_section::set_output_section): Handle relaxed
1727         input section.
1728         (Output_section::Input_section::is_relaxed_input_section,
1729         Output_section::Input_section::output_section_data,
1730         Output_section::Input_section::relaxed_input_section): New method
1731         definitions.
1732         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
1733         value.
1734         (Output_section::Input_section::u1_): Update comments.
1735         (Output_section::Input_section::u2_): Add new union member poris.
1736         (Output_section::Checkpoint_output_section): New classs definition.
1737         (Output_section::relax_input_section): New method declaration.
1738         (Output_section::checkpoint_): New data member.
1739         (Output_segment): Update comments.
1740         (Output_segment::Output_segment): Un-privatize copy constructor.
1741         (Output_segment::operator=): Un-privatize.
1742         * script-sections.cc (Output_section_element::Input_section_list):
1743         Change element type to Output_section::Simple_input_section.
1744         (Output_section_element_dot_assignment::set_section_addresses):
1745         Register output section data for relaxation clean up.
1746         (Output_data_exression::Output_data_expression): Adjust call to base
1747         constructor to fix data size.
1748         (Output_section_element_data::set_section_addresses): Register
1749         Output_data_expression object for relaxation clean up.
1750         (struct Input_section_info): Replace Relobj pointer and section index
1751         pair with Output_section::Simple_input_section and Convert struct to a
1752         class.
1753         (Input_section_sorter::operator()): Adjust access to
1754         Input_section_info data member to use accessors. 
1755         (Output_section_element_input::set_section_addresses): Use layout
1756         parameter.  Adjust code to use Output_section::Simple_input_section
1757         and Input_secction_info classes.  Register filler for relaxation
1758         clean up.
1759         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
1760         and section index pair with Output_section::Simple_input_section
1761         class.  Adjust code accordingly.
1762         (Phdrs_element::release_segment): New method definition.
1763         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
1764         segment list.
1765         (Script_sections::release_segments): New method definition.
1766         * gold/script-sections.h (Script_sections::release_segments): New
1767         method declaration.
1768         * gold/target.h (Target::may_relax, Target::relax,
1769         Target::do_may_relax, Target::do_relax): New method definitions.
1770
1771 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1772
1773         * arm.cc (has_signed_unsigned_overflow): New function.
1774         (Arm_relocate_functions::abs8): New function.
1775         (Target_arm::Scan::local): Handle R_ARM_ABS8.
1776         (Target_arm::Scan::global): Likewise.
1777         (Target_arm::relocate::relocate): Likewise.
1778         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1779         Likewise.
1780
1781 2009-09-16  Cary Coutant  <ccoutant@google.com>
1782
1783         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
1784         * testsuite/Makefile.in: Regenerate.
1785
1786 2009-09-11  Nick Clifton  <nickc@redhat.com>
1787
1788         * po/gold.pot: Updated by the Translation project.
1789
1790 2009-09-08  Cary Coutant  <ccoutant@google.com>
1791
1792         * output.cc (Output_file::open): Add execute permission to empty file.
1793         * testsuite/Makefile.am (permission_test): New test.
1794         * testsuite/Makefile.in: Regenerate.
1795
1796 2009-09-02  Ian Lance Taylor  <iant@google.com>
1797
1798         * output.cc (Output_file::resize): Call map_no_anonymous rather
1799         than map.
1800
1801 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
1802
1803         * gold.cc: Include "incremental.h".
1804         (queue_initial_tasks): Call Incremental_checker methods.
1805         * incremental.cc: Include "output.h".
1806         (Incremental_checker::can_incrementally_link_output_file): New
1807         method.
1808         * incremental.h (Incremental_checker): New class.
1809
1810         * output.cc (Output_file::open_for_modification): New method.
1811         (Output_file::map_anonymous): Changed return type to bool.  Record
1812         map in base_ field.
1813         (Output_file::map_no_anonymous): New method, broken out of map.
1814         (Output_file::map): Use map_no_anonymous and map_anonymous.
1815         * output.h (class Output_file): Update declarations.
1816
1817 2009-08-24  Cary Coutant  <ccoutant@google.com>
1818
1819         * options.h (Command_line::Pre_options): New class.
1820         (Command_line::pre_options): New member.
1821         * options.cc (gold::options::ready_to_register): New variable.
1822         (One_option::register_option): Do nothing if not registering options.
1823         Assert if same short option registered twice.
1824         (General_options::General_options): Turn off option registration when
1825         done constructing.
1826         (Command_line::Pre_options::Pre_options): New constructor.
1827
1828 2009-08-24  Cary Coutant  <ccoutant@google.com>
1829
1830         * options.h (General_options::no_keep_memory): Remove incorrect
1831         short option.
1832
1833 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1834
1835         * Makefile.am (am__skiplex, am__skipyacc): New.
1836         * Makefile.in: Regenerate.
1837
1838 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1839
1840         * Makefile.am (AM_CPPFLAGS): Renamed from ...
1841         (INCLUDES): ... this.
1842         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
1843         (AM_CPPFLAGS): Renamed from ...
1844         (INCLUDE): ... this.
1845         * Makefile.in, testsuite/Makefile.in: Regenerate.
1846
1847         * Makefile.in: Regenerate.
1848         * aclocal.m4: Likewise.
1849         * config.in: Likewise.
1850         * configure: Likewise.
1851         * testsuite/Makefile.in: Likewise.
1852
1853         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
1854         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
1855         * Makefile.in: Regenerate.
1856         * testsuite/Makefile.in: Regenerate.
1857
1858 2009-08-19  Cary Coutant  <ccoutant@google.com>
1859
1860         * resolve.cc (Symbol_table::resolve): Don't complain about defined
1861         symbols in shared libraries overridden by hidden or internal symbols
1862         in the main program.
1863
1864 2009-08-19  Chris Demetriou  <cgd@google.com>
1865
1866         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
1867         checking source file names in error messages.
1868
1869 2009-08-18  Doug Kwan  <dougkwan@google.com>
1870
1871         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
1872         an elcpp::Ehdr as parameter.  Adjust call to set_target.
1873         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
1874         an elfcpp::Ehdr as parameter.
1875         * object.cc (Object::set_target): Remove the version that looks up
1876         a target and sets it.
1877         (Sized_relobj::setup): Take a Target object instead of
1878         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
1879         (make_elf_sized_object): Find target and ask target to
1880         make an ELF object.
1881         * object.h: (Object::set_target): Remove the version that looks up
1882         a target and sets it.
1883         (Sized_relobj::setup): Take a Target object instead of
1884         an elfcpp:Ehdr as parameter.
1885         * target.cc: Include dynobj.h.
1886         (Target::do_make_elf_object_implementation): New.
1887         (Target::do_make_elf_object): New.
1888         * target.h (Target::make_elf_object): New template declaration.
1889         (Target::do_make_elf_object): New method declarations.
1890         (Target::do_make_elf_object_implementation): New template declaration.
1891
1892 2009-08-14  Ian Lance Taylor  <iant@google.com>
1893
1894         * gold.h (FUNCTION_NAME): Define.
1895         (gold_unreachable): Use FUNCTION_NAME.
1896
1897 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
1898
1899         * icf.cc (Icf::find_identical_sections): Issue a warning when a
1900         symbol in the --keep-unique list is not found.
1901
1902 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
1903
1904         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
1905         been maked as --keep-unique.
1906         (Icf::unfold_section): New function.
1907         * icf.h (Icf::unfold_section): New function.
1908         * options.h (General_options::keep_unique): New option.
1909         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
1910         * testsuite/Makefile.in: Regenerate.
1911         * testsuite/icf_keep_unique_test.sh: New file.
1912         * testsuite/icf_keep_unique_test.cc: New file.
1913
1914 2009-08-12  Cary Coutant  <ccoutant@google.com>
1915
1916         PR 10471
1917         * resolve.cc (Symbol_table::resolve): Check for references from
1918         dynamic objects to hidden and internal symbols.
1919         * testsuite/Makefile.am (hidden_test.sh): New test.
1920         * testsuite/Makefile.in: Regenerate.
1921         * testsuite/hidden_test.sh: New script.
1922         * testsuite/hidden_test_1.c: New test source.
1923         * testsuite/hidden_test_main.c: New test source.
1924
1925 2009-08-11  Doug Kwan  <dougkwan@google.com>
1926
1927         * arm.cc: Update comments.
1928         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
1929         segment to locate the .ARM.exidx section if present.
1930
1931 2009-08-09  Doug Kwan  <dougkwan@google.com>
1932
1933         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
1934         patch.
1935
1936 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
1937         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
1938         compiler warnings.
1939
1940 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
1941
1942         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
1943         valid tls_segment only for non-debug-section relocations.
1944         * testsuite/Makefile.am: Add gc_tls_test.
1945         * testsuite/Makefile.in: Regenerate.
1946         * testsuite/gc_tls_test.cc: New file.
1947         * testsuite/gc_tls_test.sh: New file.
1948
1949 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
1950         
1951         * icf.cc: New file.
1952         * icf.h: New file.
1953         * Makefile.am (CCFILES): Add icf.cc.
1954         (HFILES): Add icf.h
1955         * Makefile.in: Regenerate.
1956         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
1957         * gc.h (gc_process_relocs): Populate lists used by icf to contain
1958         section, symbol and addend information for the relocs.
1959         * gold.cc (queue_middle_tasks): Call identical code folding.
1960         * gold.h: Add defines for multimap.
1961         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
1962         to the call of finalize_local_symbols.
1963         * main.cc (main): Create object of class Icf.
1964         * object.cc (Sized_relobj::do_layout): Allow this function to be
1965         called twice during icf.
1966         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
1967         to sections marked as identical by icf.
1968         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
1969         when available.
1970         (Sized_relobj::do_section_entsize): New function.
1971         * object.h (Object::section_entsize): New function.
1972         (Object::do_section_entsize): New pure virtual function.
1973         (Relobj::finalize_local_symbols): Add new parameter.
1974         (Relobj::do_section_entsize): New function.
1975         * options.h (General_options::icf): New option.
1976         (General_options::icf_iterations): New option.
1977         (General_options::print_icf_sections): New option.
1978         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
1979         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
1980         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
1981         icf.
1982         * symtab.cc (Symbol_table::is_section_folded): New function.
1983         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
1984         to sections marked as identical by icf.
1985         * symtab.h (Symbol_table::set_icf): New function.
1986         (Symbol_table::icf): New function.
1987         (Symbol_table::is_section_folded): New function.
1988         (Symbol_table::icf_): New data member.
1989         * target-reloc.h (relocate_section): Ignore sections folded by icf.
1990         * testsuite/Makefile.am: Add commands to build icf_test.
1991         * testsuite/Makefile.in: Regenerate.
1992         * testsuite/icf_test.sh: New file.
1993         * testsuite/icf_test.cc: New file.
1994
1995 2009-07-24  Chris Demetriou  <cgd@google.com>
1996
1997         * layout.cc (is_compressible_debug_section): Fix incorrect
1998         comment about compressed section names.
1999
2000 2009-07-20  Ian Lance Taylor  <ian@airs.com>
2001
2002         PR 10419
2003         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
2004
2005 2009-07-16  Ian Lance Taylor  <iant@google.com>
2006
2007         PR 10400
2008         * layout.h: #include <map>.
2009         (class Kept_section): Change from struct to class.  Add accessors
2010         and setters.  Add section size to Comdat_group mapping.  Change
2011         Comdat_group to std::map.  Add is_comdat_ field.  Add
2012         linkonce_size field in union.
2013         (class Layout): Update declaration of find_or_add_kept_section.
2014         Don't declare find_kept_object.
2015         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
2016         parameter.  Add object, shndx, is_comdat, and is_group_name
2017         parameters.  Change all callers.  Adjust for new Kept_section.
2018         (Layout::find_kept_object): Remove.
2019         * object.cc (Sized_relobj::include_section_group): Update use of
2020         Kept_section.  Rename secnum to shndx.  Only record
2021         Kept_comdat_section if sections are the same size.
2022         (Sized_relobj::include_linkonce_section): Update use of
2023         Kept_section.  Only record Kept_comdat_section if sections are the
2024         same size.  Set size of linkonce section.
2025         (Sized_relobj::map_to_kept_section): Update call to
2026         get_kept_comdat_section.
2027         * object.h (class Sized_relobj): Rename fields in
2028         Kept_comdat_section to drop trailing underscores; change object
2029         field to Relobj*.  Change Kept_comdat_section_table to store
2030         struct rather than pointer.
2031         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
2032         Add kept_object and kept_shndx parameters.  Change all callers.
2033         (Sized_relobj::get_kept_comdat_section): Change return type to
2034         bool.  Add kept_object and kept_shndx parameters.  Change all
2035         callers.
2036         * plugin.cc (Pluginobj::include_comdat_group): Update call to
2037         Layout::find_or_add_kept_section.
2038
2039 2009-07-09  Ian Lance Taylor  <iant@google.com>
2040
2041         * merge.cc (Object_merge_map::initialize_input_to_output_map):
2042         Reserve space in the hash table.
2043
2044 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
2045
2046         * fileread.cc (File_read::get_mtime): New method.
2047         * fileread.h (Timespec): New structure.
2048         (File_read::get_mtime): New method.
2049         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
2050         Renamed from timestamp_nsec.
2051         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
2052         Elf_Xword.
2053         (Incremental_inputs_entry_write::timestamp_usec): Renamed from 
2054         timestamp_nsec.
2055         (Incremental_inputs::report_archive): Save mtime; style fix. 
2056         (Incremental_inputs::report_obejct): Save mtime; style fix.
2057         (Incremental_inputs::report_script): Save mtime; style fix.
2058         (Incremental_inputs::finalize_inputs): Style fix.
2059         (Incremental_inputs::finalize): Style fix.
2060         (Incremental_inputs::create_input_section_data): Store inputs
2061         mtime.
2062         * incremental.h (Incremental_inputs::report_script): Add mtime
2063         argument.
2064         (Incremental_inputs::Input_info::Input_info): Intialize only one
2065         union member.
2066         (Incremental_inputs::Input_info::archive): Move to nameless
2067         union.
2068         (Incremental_inputs::Input_info::obejct): Move to nameless union.
2069         (Incremental_inputs::Input_info::script): Move to nameless union.
2070         (Incremental_inputs::mtime): New field.
2071         * script.cc (read_input_script): Pass file mtime to
2072         Incremental_input.
2073         * script.h (Script_info::inputs): Style fix.
2074
2075 2009-07-01  Ian Lance Taylor  <ian@airs.com>
2076
2077         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
2078         instead of 32.
2079
2080 2009-06-24  Ian Lance Taylor  <iant@google.com>
2081
2082         PR 10156
2083         * layout.cc (Layout::choose_output_section): If we find an
2084         existing section, update the flags.
2085         (Layout::create_notes): New function, broken out of
2086         Layout::finalize.
2087         (Layout::finalize): Don't create note sections.
2088         (Layout::create_note): Don't crash if linker script discards
2089         section.
2090         (Layout::create_gold_note): Likewise.
2091         (Layout::create_build_id): Likewise.  Don't set
2092         after_input_sections on the section.
2093         (Layout::create_executable_stack_info): Remove target parameter.
2094         Change caller.
2095         * layout.h (class Layout): Declare create_notes.  Update
2096         declaration of create_executable_stack_info.
2097         * gold.cc (queue_middle_tasks): Call create_notes.
2098         * output.cc (Output_section::update_flags_for_input_section): Move
2099         here from output.h.  If SHF_ALLOC flag is newly set, mark address
2100         invalid.
2101         * output.h (Output_data::mark_address_invalid): New function.
2102         (class Output_section): Only declare, not define,
2103         update_flags_for_input_section.  Remove set_flags.
2104
2105 2009-06-24  Ian Lance Taylor  <iant@google.com>
2106
2107         * script-sections.cc (Output_section_definition::
2108         set_section_addresses): Rename shadowing local load_address to
2109         laddr.
2110
2111 2009-06-24  Ian Lance Taylor  <iant@google.com>
2112
2113         PR 10244
2114         * reloc.cc (relocate_sections): Skip empty relocation sections.
2115
2116 2009-06-23  Ian Lance Taylor  <iant@google.com>
2117
2118         PR 10156
2119         * layout.cc (Layout::create_note): Use choose_output_section
2120         rather than make_output_section.
2121
2122 2009-06-23  Ian Lance Taylor  <iant@google.com>
2123
2124         PR 10237
2125         * options.cc (General_options::parse_V): Set printed_version_.
2126         (General_options::General_options): Initialize printed_version_.
2127         * options.h (class General_options): Add printed_version_ field.
2128         * gold.cc (queue_initial_tasks): If there are no input files,
2129         don't give a fatal error if we printed the version information.
2130         (queue_middle_tasks): If using -r with a shared object, give a
2131         fatal error rather than an ordinary error.
2132
2133 2009-06-23  Ian Lance Taylor  <iant@google.com>
2134
2135         PR 10219
2136         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
2137         (Layout::make_output_section): Set have_stabstr_section_ if we see
2138         a .stab*str section.
2139         (Layout::finalize): Call link_stabs_sections.
2140         (Layout::link_stabs_sections): New file.
2141         * layout.h (class Layout): Add have_stabstr_section_ field.
2142         Declare link_stabs_sections.
2143
2144 2009-06-23  Doug Kwan  <dougkwan@google.com>
2145
2146         * Makefile.am (libgold_a_LIBADD): New.
2147         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
2148         * Makefile.in: Regenerate.
2149         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
2150         * configure: Regenerate.
2151         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
2152         * fileread.cc: Include sys/state.h
2153         * gold.h: Declare memmem and strndup if found missing.
2154         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
2155
2156 2009-06-23  Ian Lance Taylor  <iant@google.com>
2157
2158         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
2159         * configure: Rebuild.
2160
2161 2009-06-23  Ian Lance Taylor  <iant@google.com>
2162
2163         PR 10147
2164         * object.cc (Object::section_contents): Don't try to get a view if
2165         the section has length zero.
2166         (Object::handle_gnu_warning_section): If the section is empty, use
2167         the name of the section as the warning.
2168
2169 2009-06-23  Ian Lance Taylor  <iant@google.com>
2170
2171         PR 10133
2172         * stringpool.h (class Stringpool_template): Add optimize_ field.
2173         (Stringpool_template::set_optimize): New function.
2174         * stringpool.cc (Stringpool_template::Stringpool_template):
2175         Initialize optimize_ field.
2176         (Stringpool_template::set_string_offsets): Test local optimize
2177         fild rather than parameter.
2178         * layout.cc (Layout::Layout): Call set_optimize on the section
2179         name stringpool.
2180
2181 2009-06-22  Ian Lance Taylor  <iant@google.com>
2182
2183         PR 10030
2184         * yyscript.y: Parse TARGET.
2185         * script.cc (script_set_target): New function.
2186         * script-c.h (script_set_target): Declare.
2187         * options.cc (General_options::string_to_object_format): Rename
2188         from string_to_object_format in anonymous namespace.  Change
2189         callers.
2190         * options.h (class General_options): Declare
2191         string_to_object_format.
2192
2193 2009-06-22  Ian Lance Taylor  <iant@google.com>
2194
2195         * script-sections.cc (Script_sections::create_segments): Don't put
2196         program headers in a PT_LOAD segment if -n or -N.
2197
2198 2009-06-22  Ian Lance Taylor  <iant@google.com>
2199
2200         PR 10141
2201         * options.h (class General_options): Add -z lazy and -z now.  Sort
2202         -z options into alphabetical order.
2203         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
2204
2205 2009-06-21  Ian Lance Taylor  <iant@google.com>
2206
2207         * layout.cc (Layout::make_output_section): Call
2208         Target::new_output_section.
2209         (Layout::attach_allocated_section_to_segment): Put large section
2210         sections in a separate load segment with the large segment flag
2211         set.
2212         (Layout::segment_precedes): Sort large data segments after other
2213         load segments.
2214         (align_file_offset): New static function.
2215         (Layout::set_segment_offsets): Use align_file_offset.
2216         * output.h (class Output_section): Add is_small_section_ and
2217         is_large_section_ fields.
2218         (Output_section::is_small_section): New function.
2219         (Output_section::set_is_small_section):  New function.
2220         (Output_section::is_large_section): New function.
2221         (Output_section::set_is_large_section): New function.
2222         (Output_section::is_large_data_section): New function.
2223         (class Output_segment): Add is_large_data_segment_ field.
2224         (Output_segment::is_large_data_segment): New function.
2225         (Output_segment::set_is_large_data_segment): New function.
2226         * output.cc (Output_section::Output_section): Initialize new
2227         fields.
2228         (Output_segment::Output_segment): Likewise.
2229         (Output_segment::add_output_section): Add assertion that large
2230         data sections always go in large data segments.  Force small data
2231         sections to the end of the list of data sections.  Force small BSS
2232         sections to the start of the list of BSS sections.  For large BSS
2233         sections to the end of the list of BSS sections.
2234         * symtab.h (class Symbol): Declare is_common_shndx.
2235         (Symbol::is_defined): Check Symbol::is_common_shndx.
2236         (Symbol::is_common): Likewise.
2237         (class Symbol_table): Define enum Commons_section_type.  Update
2238         declarations.  Add small_commons_ and large_commons_ fields.
2239         * symtab.cc (Symbol::is_common_shndx): New function.
2240         (Symbol_table::Symbol_table): Initialize new fields.
2241         (Symbol_table::add_from_object): Put small and large common
2242         symbols in the right list.
2243         (Symbol_table::sized_finalized_symbol): Check
2244         Symbol::is_common_shndx.
2245         (Symbol_table::sized_write_globals): Likewise.
2246         * common.cc (Symbol_table::do_allocate_commons): Allocate new
2247         common symbol lists.  Don't call do_allocate_commons_list if the
2248         list is empty.
2249         (Symbol_table::do_allocate_commons_list): Remove is_tls
2250         parameter.  Add comons_section_type parameter.  Change all
2251         callers.  Handle small and large common symbols.
2252         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
2253         Symbol::is_common_shndx.
2254         * resolve.cc (symbol_to_bits): Likewise.
2255         * target.h (Target::small_common_shndx): New function.
2256         (Target::small_common_section_flags): New function.
2257         (Target::large_common_shndx): New function.
2258         (Target::large_common_section_flags): New function.
2259         (Target::new_output_section): New function.
2260         (Target::Target_info): Add small_common_shndx, large_common_shndx,
2261         small_common_section_flags, and large_common_section_flags
2262         fields.
2263         (Target::do_new_output_section): New virtual function.
2264         * arm.cc (Target_arm::arm_info): Initialize new fields.
2265         * i386.cc (Target_i386::i386_info): Likewise.
2266         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
2267         Likewise.
2268         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
2269         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
2270         (Target_x86_64::do_new_output_section): New function.
2271         * configure.ac: Define conditional MCMODEL_MEDIUM.
2272         * testsuite/Makefile.am (check_PROGRAMS): Add large.
2273         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
2274         (large_LDFLAGS): Define.
2275         * testsuite/large.c: New file.
2276         * testsuite/testfile.cc (Target_test::test_target_info):
2277         Initialize new fields.
2278         * configure, testsuite/Makefile.in: Rebuild.
2279
2280 2009-06-05  Doug Kwan  <dougkwan@google.com>
2281
2282         * Makefile.am (CCFILES): Add target.cc.
2283         * Makefile.in: Regenerate. 
2284         * i386.cc (class Target_i386): Define new virtual method to
2285         override do_is_local_label_name in parent.
2286         * object.cc (Sized_relobj::do_count_local_symbols): Discard
2287         local symbols if --discard-locals or -X is given.
2288         * options.h (class General_options): Declare new options
2289         '--discard-locals' and '-X' for discarding locals.
2290         * target.h (class Target): Define new methods is_local_label_name.
2291         Declare new virtual method do_is_local_label_name.
2292         * target.cc: New file.
2293         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
2294         (check_SCRIPTS): Add discard_locals_test.sh.
2295         (check_DATA): Add discard_local_tests.syms.
2296         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
2297         (discard_local_tests.syms, discard_locals_test.o): New make rules.
2298         * testsuite/Makefile.in: Regenerate.
2299         * testsuite/discard_locals_test.c: New file.
2300         * testsuite/discard_locals_test.sh: Same.
2301
2302 2009-06-05  Doug Kwan  <dougkwan@google.com>
2303
2304         * object.cc (Sized_relobj::Sized_relobj): Initialize
2305         discarded_eh_frame_shndx_ to -1U.
2306         (Sized_relobj::do_layout): Record index of a discard .eh_frame
2307         section.
2308         (Sized_relobj::do_count_local_symbols): Skip local symbols in
2309         a discarded .eh_frame section.
2310         (Sized_relobj::do_finalize_local_symbols): Ditto.
2311         * object.h (class Sized_relobj): Declare new member
2312         discarded_eh_frame_shndx_.
2313         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
2314         (local_labels_test.o, local_labels_test): New rules.
2315         * testsuite/Makefile.in: Regenerate.
2316
2317 2009-06-04  Doug Kwan  <dougkwan@google.com>
2318
2319         * layout.cc (Layout::section_name_mapping): Add mapping for
2320         special ARM sections.
2321
2322 2009-06-03  Doug Kwan  <dougkwan@google.com>
2323
2324         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
2325         (utils::has_overflow): Same.
2326
2327 2009-06-03  Ian Lance Taylor  <iant@google.com>
2328
2329         * layout.cc (Layout::section_name_mapping): New array, replacing
2330         Layout::linkonce_mapping.
2331         (Layout::section_name_mapping_count): New variable, replacing
2332         Layout::linkonce_mapping_count.
2333         (Layout::linkonce_output_name): Remove.
2334         (Layout::output_section_name): Rewrite.
2335         * layout.h (class Layout): Rename Linkonce_mapping to
2336         Section_name_mapping, linkonce_mapping to section_name_mapping,
2337         linkonce_mapping_count to section_name_mapping_count.  Don't
2338         declare linkonce_output_name.
2339
2340 2009-06-03  Doug Kwan  <dougkwan@google.com>
2341
2342         * gold/arm.cc (namespace utils): New.
2343         (Target_arm::reloc_is_non_pic): Define new method.
2344         (class Arm_relocate_functions): New.
2345         (Target_arm::Relocate::relocate): Handle relocation types used by
2346         Android.
2347
2348 2009-06-03  Ian Lance Taylor  <iant@google.com>
2349
2350         * arm.cc (Target_arm::scan::global): Use || instead of |.
2351
2352 2009-06-02  Doug Kwan  <dougkwan@google.com>
2353
2354         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
2355         issued_non_pic_error_.
2356         (class Target_arm::Scan): Declare new method check_non_pic.
2357         Define new method symbol_needs_plt_entry.
2358         Declare new data member issued_non_pic_error_.
2359         (class Target_arm::Relocate): Declare new method
2360         should_apply_static_reloc.
2361         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
2362         (Target_arm::Scan::check_non_pic): Define new method.
2363         (Target_arm::Scan::local): Handle a small subset of reloc types used
2364         by Android.
2365         (Target_arm::Scan::local): Same.
2366         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
2367
2368 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
2369
2370         * incremental.cc (Incremental_inputs::report_command_line): Filter
2371         out --incremental-* options.
2372
2373 2009-05-29  Doug Kwan  <dougkwan@google.com>
2374
2375         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
2376         template class.
2377         (class Target_arm): Update comment.
2378         (Target_arm::Target_arm): Initialize new data members GOT_,
2379         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
2380         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
2381         and Target_arm::rel_dyn_section.
2382         Declare new_enum Target_arm::Got_type.
2383         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
2384         and DYNBSS_.
2385         Update commments for member do_dynsym_value.
2386         (Target_arm::got_size, Target_arm::plt_section,
2387         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
2388         new methods inside class defintion.
2389         (Target_arm::got_section): Define new method.
2390         (Target_arm::rel_dyn_section): Same.
2391         (Output_data_plt_arm): New template class.
2392         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
2393         (Output_data_plt_arm:do_adjust_output_section): Define new method.
2394         (Output_data_plt_arm::add_entry): Same.
2395         (Output_data_plt_arm::first_plt_entry): Define new
2396         static data member for PLT instruction template.
2397         (Output_data_plt_arm::plt_entry): Same.
2398         (Output_data_plt_arm::do_write): Define new method.
2399         (Target_arm::make_plt_entry): Same.
2400         (Target_arm::do_finalize_sections): Same.
2401         (Target_arm::do_dynsym_value): Same.
2402
2403 2009-05-28  Doug Kwan  <dougkwan@google.com>
2404
2405         * Makefile.am (TARGETSOURCES): Add arm.cc.
2406         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
2407         * Makefile.in: Regenerate.
2408         * arm.cc: New file.
2409         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
2410
2411 2009-05-26  Doug Kwan  <dougkwan@google.com>
2412
2413         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
2414         (General_options::check_excluded_libs): Strip off directories in
2415         archive name before matching like GNU ld does.
2416         * testsuite/Makefile.am (MOSTLYCLEANFILES,
2417         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
2418         (exclude_libs_test_LDFLAGS): Add linker option
2419         -Wl,--exclude-libs,libexclude_libs_test_3
2420         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
2421         an explicit archive without using -l.
2422         (alt/libexclude_libs_test_3.a): New make rule.
2423         * testsuite/Makefile.in: Regenerate.
2424         * testsuite/exclude_libs_test.c : Declare lib3_default().
2425         (main): Call it.
2426         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
2427         * exclude_libs_test_3.c: New file.
2428
2429 2009-05-26  Nick Clifton  <nickc@redhat.com>
2430
2431         * po/id.po: New Indonesian translation.
2432         * po/gold.pot: Updated template file.
2433
2434 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
2435
2436         * testsuite/Makefile.am: Add -ffunction-sections to compile 
2437         gc_comdat_test files.  Add -Wl,--gc-sections to build
2438         gc_comdat_test.
2439         * testsuite/Makefile.in: Regenerate.
2440         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
2441
2442 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
2443
2444         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
2445         kept comdat section was garbage collected.
2446         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
2447         * testsuite/Makefile.in: Regenerate.
2448         * testsuite/gc_comdat_test.sh: New file.
2449         * testsuite/gc_comdat_test_1.cc: New file.
2450         * testsuite/gc_comdat_test_2.cc: New file.
2451
2452 2009-05-19  Doug Kwan  <dougkwan@google.com>
2453
2454         * archive.cc (Archive::Archive): Move constructor from archive.h
2455         to here.  Initialize no_export_.
2456         (Archive::get_elf_object_for_member): Set no_export flag of object.
2457         * archive.h (Archive::Archive): Move constructor body to
2458         archive.cc.
2459         (Archive::no_export): New method.
2460         (Archive::no_export_): New field.
2461         * object.h (Object::Object): Initialize no_export_ to false.
2462         (Object::no_export, Object::set_no_export): New methods.
2463         (Object::no_export_): New field.
2464         * options.cc (General_options::parse_exclude_libs): New method.
2465         (General_options::check_excluded_libs) Same.
2466         * options.h (exclude_libs): New option.
2467         (General_options::check_excluded_libs): New method declaration.
2468         (General_options::excluded_libs_): New field.
2469         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
2470         default or protected visibility if an object has no-export flag set.
2471         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
2472         (check_SCRIPTS): Add exclude_libs_test.sh.
2473         (check_DATA): Add exclude_libs_test.syms.
2474         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
2475         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
2476         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
2477         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
2478         (exclude_libs_test.syms, libexclude_libs_test_1.a,
2479         libexclude_libs_test_2.a): New rules.
2480         * testsuite/Makefile.in: Regenerate.
2481         * testsuite/exclude_libs_test.c: New file.
2482         * testsuite/exclude_libs_test.sh: Ditto.
2483         * testsuite/exclude_libs_test_1.c: Ditto.
2484         * testsuite/exclude_libs_test_2.c: Ditto.
2485
2486 2009-05-15  Ian Lance Taylor  <iant@google.com>
2487
2488         * configure.ac: Check for declarations for cases where libiberty.h
2489         checks HAVE_DECL_xxx.
2490         * configure, config.in: Rebuild.
2491
2492 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
2493
2494         * gold.h (Incremental_argument_list): Remove (invalid) forward
2495         declaration.
2496         * incremental.cc (Incremental_inputs::report_achive): New method.
2497         (Incremental_inputs::report_object): New method.
2498         (Incremental_inputs::report_script): New method.
2499         (Incremental_inputs::finalize_inputs): New method.
2500         (Incremental_inputs::finalize): Call finalize_inputs().
2501         (Incremental_inputs::sized_create_incremental_inputs_section_data):
2502         Create inputs entries.
2503         * incremental.h (Incremental_input_type): New enum.
2504         (Incremental_inputs::Incremental_input): Initialize new fields.
2505         (Incremental_inputs::report_inputs): New method.
2506         (Incremental_inputs::report_achive): New method.
2507         (Incremental_inputs::report_object): New method.
2508         (Incremental_inputs::report_script): New method.
2509         (Incremental_inputs::finalize_inputs): New method.
2510         (Incremental_inputs::Input_info): New struct.
2511         (Incremental_inputs::Input_info_map): New typedef.
2512         (Incremental_inputs::lock_): New field.
2513         (Incremental_inputs::Inputs_): New field.
2514         (Incremental_inputs::Inputs_map): New field.
2515         * main.cc (main): Call Incremental_input::report_inputs.
2516         * options.h (Input_argument_list): Typedef moved from
2517         Input_arguments.
2518         (Input_file_group::Files): Remove, use ::Input_argument_list.
2519         (Input_file_group::Input_argument_list): Remove, use
2520         ::Input_argument_list.
2521         * plugin.cc (Plugin_manager::add_input_file): Add error in
2522         incremental build.
2523         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
2524         functions.
2525         * script.cc (read_input_script): Call
2526         Incremental_input::report_script.
2527         * script.h (Script_info): New class.
2528
2529 2009-04-27  Ian Lance Taylor  <iant@google.com>
2530
2531         * x86_64.cc (do_adjust_output_section): Set entsize to
2532         plt_entry_size.
2533
2534 2009-04-23  Elliott Hughes  <enh@google.com>
2535
2536         * output.cc (Output_file::close): After short writes, continue
2537         writing from the correct offset in the buffer being written.
2538
2539 2009-04-23  Chris Demetriou  <cgd@google.com>
2540
2541         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
2542         * configure: Regenerate.
2543         * config.in: Regenerate.
2544         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
2545         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
2546
2547 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
2548
2549         * incremental.cc (Incremental_inputs_header_data): Renamed from
2550         Incremental_input_header_data.
2551         (Incremental_inputs_header_data::data_size): New field.
2552         (Incremental_inputs_header_data::put_input_file_count): Renamed
2553         from input_file_count.
2554         (Incremental_inputs_header_data::put_command_line_offset): Renamed
2555         from command_line_offset.
2556         (Incremental_inputs_header_data::put_reserved): Renamed from
2557         put_reserved.
2558         (Incremental_inputs_entry_data): Renamed from
2559         Incremental_input_entry_data.
2560         (Incremental_inputs_entry_data::data_size): New field.
2561         (Incremental_inputs::report_command_line): New method.
2562         (Incremental_inputs::finalize): New method.
2563         (Incremental_inputs::create_incremental_inputs_data): New method.
2564         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
2565         * incremental.h: New file.
2566         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
2567        (Layout::finalize): Create incremental inputs section in
2568         incremental builds.
2569        (Layout::create_incremental_info_sections): New method.
2570         * layout.h (Layout::incremental_inputs): New method.
2571        (Layout::create_incremental_info_sections): New method.
2572        (Layout::incremental_inputs_): New field.
2573         * main.cc (main): Notify Incremental_input of the command line.
2574
2575 2009-04-01  Ian Lance Taylor  <iant@google.com>
2576             Mikolaj Zalewski  <mikolajz@google.com>
2577
2578         * gold.h (reserve_unordered_map): Define, three versions, one for
2579         each version of Unordered_map.
2580         * layout.cc (Layout::Layout): Remove options parameter.  Add
2581         number_of_input_files parameter.  Don't initialize options_.
2582         Initialize number_of_input_files_ and resized_signatures_.  Move
2583         sections_are_attached_.
2584         (Layout::layout_group): Reserve space for group_signatures_.
2585         (Layout::find_or_add_kept_section): Change name parameter to be a
2586         reference.  Resize signatures_ map when it gets large enough.
2587         (Layout::layout_eh_frame): Use parameters->options() instead of
2588         this->options_.
2589         (Layout::make_output_section): Likewise.
2590         (Layout::attach_allocated_section_to_segment): Likewise.
2591         (Layout::finalize, Layout::create_executable_stack): Likewise.
2592         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
2593         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
2594         * layout.h (class Layout): Update declarations.  Remove options_
2595         field.  Add number_of_input_files_ and resized_signatures_
2596         fields.  Move sections_are_attached_ field.
2597         * main.cc (main): Pass number of input files to Layout
2598         constructor.  Don't pass options.
2599
2600 2009-03-30  Ian Lance Taylor  <iant@google.com>
2601
2602         * ffsll.c (ffsll): Correct implementation.
2603
2604 2009-03-27  Ian Lance Taylor  <iant@google.com>
2605
2606         * ffsll.c: New file.
2607         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
2608         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
2609         * ftruncate.c (ftruncate): Declare before definition.
2610         * mremap.c (mremap): Likewise.
2611         * pread.c (pread): Likewise.
2612         * configure, Makefile.in, config.in: Rebuild.
2613
2614         * mremap.c: New file.
2615         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
2616         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
2617         (mremap): Declare if HAVE_MREMAP is not defined.
2618         * configure, Makefile.in, config.in: Rebuild.
2619
2620 2009-03-27  Cary Coutant  <ccoutant@google.com>
2621
2622         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
2623         position independent.
2624         * sparc.cc (Target_sparc::check_non_pic): Likewise.
2625         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
2626
2627 2009-03-24  Cary Coutant  <ccoutant@google.com>
2628
2629         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
2630         an executable.
2631         (needs_dynamic_reloc): Likewise.
2632
2633 2009-03-24  Ian Lance Taylor  <iant@google.com>
2634
2635         * yyscript.y (file_cmd): Recognize EXTERN.
2636         (extern_name_list, extern_name_list_body): New nonterminals.
2637         * script.cc (script_add_extern): Define.
2638         * script-c.h (script_add_extern): Declare.
2639
2640 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
2641
2642         * object.cc (is_elf_object): Define.
2643         * object.h (is_elf_object): Declare.
2644         * archive.cc (Archive::get_elf_object_for_member): Call
2645         is_elf_object.
2646         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
2647
2648 2009-03-24  Elliott Hughes  <enh@google.com>
2649
2650         * output.cc (Output_file::map_anonymous): Define.
2651         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
2652         try an anonymous one.  Report the size if the mmap fails.
2653         * output.h (class Output_file): Declare map_anonymous.
2654
2655 2009-03-24  Ian Lance Taylor  <iant@google.com>
2656
2657         * target-select.cc (instantiate_target): Don't acquire the lock if
2658         the instantiated_target_ field has already been set.
2659
2660 2009-03-23  Ian Lance Taylor  <iant@google.com>
2661
2662         * gold-threads.h (class Initialize_lock): Define.
2663         * gold-threads.cc (class Initialize_lock_once): Define.
2664         (initialize_lock_control): New static variable.
2665         (initialize_lock_pointer): New static variable.
2666         (initialize_lock_once): New static function.
2667         (Initialize_lock::Initialize_lock): Define.
2668         (Initialize_lock::initialize): Define.
2669         * target-select.h: Include "gold-threads.h".
2670         (class Target_selector): Add lock_ and initialize_lock_ fields.
2671         Don't define instantiate_target, just declare it.
2672         * target-select.cc (Target_selector::Target_selector): Initialize
2673         new fields.
2674         (Target_selector::instantiate_target): Define.
2675         * descriptors.h: Include "gold-threads.h".
2676         (class Descriptors): Add initialize_lock_ field.
2677         * descriptors.cc (Descriptors::Descriptors): Initialize new
2678         field.
2679         (Descriptors::open): Use initialize_lock_ field
2680         * errors.h (class Errors): Add initialize_lock_ field.
2681         * errors.cc (Errors::Errors): Initialize new field.
2682         (Errors::initialize_lock): Use initialize_lock_ field.
2683         * powerpc.cc (class Target_selector_powerpc): Remove
2684         instantiated_target_ field.  In do_recognize call
2685         instantiate_target rather than do_instantiate_target.  In
2686         do_instantiate_target just allocate a new target.
2687         * sparc.cc (class Target_selector_sparc): Likewise.
2688
2689         * freebsd.h: New file.
2690         * i386.cc: Include "freebsd.h".
2691         (Target_i386): Derive from Target_freebsd rather than
2692         Sized_target.
2693         (Target_selector_i386): Derive from Target_selector_freebsd rather
2694         than Target_selector.
2695         * x86_64.cc: Include "freebsd.h".
2696         (Target_x86_64): Derive from Target_freebsd rather than
2697         Sized_target.
2698         (Target_selector_x86_64): Derive from Target_selector_freebsd
2699         rather than Target_selector.
2700         * target.h (class Target): Add adjust_elf_header and
2701         do_adjust_elf_header.
2702         * output.cc (Output_file_header:: do_sized_write): Call target
2703         adjust_elf_header routine.
2704         * configure.tgt: Set targ_osabi.
2705         * configure.ac: Define GOLD_DEFAULT_OSABI.
2706         * parameters.cc (Parameters::default_target): Pass
2707         GOLD_DEFAULT_OSABI to select_target.
2708         * target-select.h (class Target_selector): Make instantiate_target
2709         protected rather than private.
2710         * Makefile.am (HFILES): Add freebsd.h.
2711         * configure, Makefile.in, config.in: Rebuild.
2712
2713         * merge.cc (do_add_input_section): Correct pend value.  Change
2714         message about last entry not being null terminated from error to
2715         warning.
2716
2717 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
2718
2719         * incremental.cc: New file.
2720         * Makefile.am (CCFILES): Add incremental.cc.
2721         * Makefile.in: Rebuild.
2722
2723 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
2724
2725         * layout.cc (Layout::output_section_name): Preserve names
2726         of '.note.' sections.
2727         
2728 2009-03-19  Ian Lance Taylor  <iant@google.com>
2729
2730         * descriptors.cc (Descriptors::open): Check that the options are
2731         valid before using them.
2732
2733 2009-03-18  Ian Lance Taylor  <iant@google.com>
2734
2735         * script-sections.h: Include <list>.
2736         (class Script_sections): Change Sections_elements from std::vector
2737         to std::list.  Typedef public Elements_iterator.  Add
2738         orphan_section_placement_, data_segment_align_start_, and
2739         saw_data_segment_align_ fields.  Remove data_segment_align_index_
2740         field.
2741         * script-sections.cc (class Orphan_section_placement): New class.
2742         (class Sections_element): Add virtual functions is_relro and
2743         orphan_section_init.  Remove virtual function place_orphan_here.
2744         (class Output_section_definition): Add is_relro and
2745         orphan_section_init.  Remove place_orphan_here.
2746         (class Orphan_output_section): Likewise.
2747         (Script_sections::Script_sections): Update for field changes.
2748         (Script_sections::data_segment_align): Set saw_data_segment_align_
2749         and data_segment_align_start_, not data_segment_align_index.
2750         (Script_sections::data_segment_relro_end): Check
2751         saw_data_segment_align_.  Use data_segment_align_start_ rather
2752         than data_segment_align_index_.
2753         (Script_sections::place_orphan): Rewrite to use
2754         Orphan_section_placement.
2755
2756 2009-03-17  Ian Lance Taylor  <iant@google.com>
2757
2758         * archive.cc (Archive::add_symbols): Check for a version attached
2759         to the symbol name in the archive map.
2760         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
2761         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
2762         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
2763         (ver_test_11.a): New target.
2764         * testsuite/Makefile.in: Rebuild.
2765
2766         * configure.ac: Check for chsize and posix_fallocate.  Replace
2767         ftruncate.
2768         * ftruncate.c: New file, from gnulib.
2769         * output.cc (posix_fallocate): Define dummy version if not
2770         HAVE_POSIX_FALLOCATE.
2771         (Output_file::map): Call posix_fallocate rather than lseek and
2772         write.
2773         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
2774         * configure, Makefile.in, config.in: Rebuild.
2775
2776 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
2777         
2778         * layout.h (Layout::create_note): Add section_name parameter.
2779         * layout.cc (Layout::create_note): Likewise.
2780         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
2781         
2782 2009-03-17  Ian Lance Taylor  <iant@google.com>
2783
2784         * descriptors.cc: Include "options.h".
2785         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
2786         (Descriptors::open): Always use O_CLOEXEC when opening a new
2787         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
2788         then set FD_CLOEXEC.
2789
2790         * sparc.cc (class Target_sparc): Add has_got_section.
2791         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
2792         make sure we have a GOT section.
2793
2794         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
2795         (Target_sparc::Scan::local): Likewise.
2796         (Target_sparc::Scan::global): Likewise.
2797         (Target_sparc::Relocate::relocate): Likewise.
2798         (Target_sparc::Relocate::relocate_tls): Likewise.
2799
2800         * symtab.cc (Symbol_table::define_default_version): New function,
2801         broken out of add_from_object.
2802         (Symbol_table::add_from_object): Call define_default_version.
2803         (Symbol_table::define_special_symbol): Add resolve_oldsym
2804         parameter.  Change all callers.  If the version for a symbol comes
2805         from a version script, resolve it with the symbol with the same
2806         name with no version.  Also add the symbol without a version if
2807         appropriate.
2808         (do_define_in_output_data): If resolving with oldsym, don't delete
2809         sym.
2810         (do_define_in_output_segment): Likewise.
2811         (do_define_as_constant): Likewise.
2812         * symtab.h (class Symbol_table): Update declarations.
2813
2814 2009-03-13  Ian Lance Taylor  <iant@google.com>
2815
2816         * readsyms.cc (Read_symbols::incompatible_warning): New function.
2817         (Read_symbols::requeue): New function.
2818         (Read_symbols::do_read_symbols): If make_elf_object fails because
2819         the target type is not configured, and the file was searched for,
2820         issue a warning and retry with the next directory.
2821         (Add_symbols::run): If the file has an incompatible format, and
2822         it was searched for, requeue the Read_symbols task.  On error,
2823         release the object.
2824         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
2825         dirindex parameter to constructor.  Change all callers.  Declare
2826         incompatible_warning and requeue.
2827         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
2828         input_argument_ and input_group_ fields.  Add them to
2829         constructor.  Change all callers.
2830         (class Read_script): Add dirindex_ field.  Add it to constructor.
2831         Change all callers.
2832         * archive.cc (Archive::setup): Remove input_objects parameter.
2833         Change all callers.
2834         (Archive::get_file_and_offset): Likewise.
2835         (Archive::read_all_symbols): Likewise.
2836         (Archive::read_symbols): Likewise.
2837         (Archive::get_elf_object_for_member): Remove input_objects
2838         parameter.  Add punconfigured parameter.  Change all callers.
2839         (Archive::add_symbols): Change return type to bool.  Check return
2840         value of include_member.
2841         (Archive::include_all_members): Likewise.
2842         (Archive::include_member): Change return type to bool.  Return
2843         false if first included object has incompatible target.  Set
2844         included_member_ field.
2845         (Add_archive_symbols::run): If add_symbols returns false, requeue
2846         Read_symbols task.
2847         * archive.h (class Archive): Add included_member_ field.
2848         Initialize it in constructor.  Add input_file and searched_for
2849         methods.  Update declarations.
2850         (class Add_archive_symbols): Add dirpath_, dirindex_, and
2851         input_argument_ fields.  Add them to constructor.  Change all
2852         callers.
2853         * script.cc: Include "target-select.h".
2854         (class Parser_closure): Add skip_on_incompatible_target_ and
2855         found_incompatible_target_ fields.  Add
2856         skip_on_incompatible_target parameter to constructor.  Change all
2857         callers.  Add methods skip_on_incompatible_target,
2858         clear_skip_on_incompatible_target, found_incompatible_target, and
2859         set_found_incompatible_target.
2860         (read_input_script): Add dirindex parameter.  Change all callers.
2861         If parser finds an incompatible target, requeue Read_symbols
2862         task.
2863         (script_set_symbol): Clear skip_on_incompatible_target in
2864         closure.
2865         (script_add_assertion, script_parse_option): Likewise.
2866         (script_start_sections, script_add_phdr): Likewise.
2867         (script_check_output_format): New function.
2868         * script.h (read_input_script): Update declaration.
2869         * script-c.h (script_check_output_format): Declare.
2870         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
2871         (ignore_cmd): Remove OUTPUT_FORMAT.
2872         * fileread.cc (Input_file::Input_file): Add explicit this.
2873         (Input_file::will_search_for): New function.
2874         (Input_file::open): Add pindex parameter.  Change all callers.
2875         * fileread.h (class Input_file): Add input_file_argument method.
2876         Declare will_search_for.  Update declarations.
2877         * object.cc (make_elf_object): Add punconfigured parameter.
2878         Change all callers.
2879         * object.h (class Object): Make input_file public.  Add
2880         searched_for method.
2881         (make_elf_object): Update declaration.
2882         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
2883         restart search.
2884         * dirsearch.h (class Dirsearch): Update declaration.
2885         * options.h (class General_options): Add --warn-search-mismatch.
2886         * parameters.cc (Parameters::is_compatible_target): New function.
2887         * parameters.h (class Parameters): Declare is_compatible_target.
2888         * workqueue.cc (Workqueue::add_blocker): New function.
2889         * workqueue.h (class Workqueue): Declare add_blocker.
2890
2891         * fileread.cc (Input_file::open): Remove options parameter.
2892         Change all callers.
2893         (Input_file::open_binary): Likewise.
2894         * script.cc (read_input_script): Likewise.
2895         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
2896         options parameter from constructor.  Change all callers.
2897         (class Read_script): Likewise.
2898         * fileread.h (class Input_file): Update declarations.
2899         * script.h (read_input_script): Update declaration.
2900
2901 2009-03-10  Nick Clifton  <nickc@redhat.com>
2902
2903         * po/es.po: New Spanish translation.
2904
2905 2009-03-06  Cary Coutant  <ccoutant@google.com>
2906
2907         * options.cc (parse_short_option): Keep dash_z from registering itself.
2908
2909 2009-03-03  Ian Lance Taylor  <iant@google.com>
2910
2911         PR 9918
2912         * target-reloc.h (relocate_section): Pass output_section to
2913         relocate.
2914         * i386.cc (Target_i386::should_apply_static_reloc): Add
2915         output_section parameter.  Change all callers.
2916         (Target_i386::Relocate::relocate): Add output_section parameter.
2917         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
2918         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
2919         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
2920         * testsuite/two_file_shared.sh: New script.
2921         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
2922         (check_DATA): Add two_file_shared.dbg.
2923         (two_file_shared.dbg): New target.
2924         * testsuite/Makefile.in: Rebuild.
2925
2926 2009-03-01  Ian Lance Taylor  <iant@google.com>
2927
2928         * configure.ac: Check for byteswap.h.
2929         * configure: Rebuild.
2930         * config.in: Rebuild.
2931
2932 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
2933
2934         * layout.cc (Layout::find_or_add_kept_section): New function.
2935         (Layout::add_comdat): Removed.
2936         * layout.h (struct Kept_section): Move out of class Layout.
2937         Remove trailing underscores from field names.  Add group_sections
2938         field.  Rename group_ field to is_group.  Change all uses.
2939         (class Layout): Declare find_or_add_kept_section, not add_comdat.
2940         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
2941         comdat_groups_ field.
2942         (Sized_relobj::include_section_group): Use
2943         find_or_add_kept_section and Kept_section::group_sections.
2944         (Sized_relobj::include_linkonce_section): Likewise.
2945         * object.cc (class Sized_relobj): Don't define Comdat_group or
2946         Comdat_group_table.  Remove find_comdat_group and
2947         add_comdat_group.  Remove comdat_groups_ field.
2948         * plugin.cc (include_comdat_group): Use
2949         Layout::find_or_add_kept_section.
2950
2951 2009-02-28  Ian Lance Taylor  <iant@google.com>
2952
2953         * README: --gc-sections and map files are now supported.  Document
2954         some build requirements.
2955
2956         PR 6992
2957         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
2958         relocatable link set the value of the section symbol to zero.
2959         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
2960         relocatable link don't include the section address in the local
2961         symbol value.
2962
2963 2009-02-27  Ian Lance Taylor  <iant@google.com>
2964
2965         PR 6811
2966         * options.h (class Search_directory): Add is_system_directory.
2967         (class General_options): Declare is_in_system_directory.
2968         * options.cc (get_relative_sysroot): Make static.
2969         (get_default_sysroot): Make static.
2970         (General_optoins::is_in_system_directory): New function.
2971         * fileread.cc (Input_file::is_in_system_directory): New function.
2972         * fileread.h (class Input_file): Declare is_in_system_directory.
2973         * object.h (class Object): Add is_in_system_directory.
2974         (class Input_objects): Remove system_library_directory_ field.
2975         * object.cc (Input_objects::add_object): Don't set
2976         system_library_directory_.
2977         (input_objects::found_in_system_library_directory): Remove.
2978         * symtab.cc (Symbol_table::write_globals): Remove input_objects
2979         parameter.  Change all callers.
2980         (Symbol_table::sized_write_globals): Likewise.
2981         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
2982         Call Object::is_in_system_directory.
2983         * symtab.h (class Symbol_table): Update declarations.
2984
2985         PR 5990
2986         * descriptors.h (Open_descriptor): Add is_on_stack field.
2987         * descriptors.cc (Descriptors::open): If the descriptor is on the
2988         top of the stack, remove it.  Initialize is_on_stack field.
2989         (Descriptors::release): Only add pod to stack if it is not on the
2990         stack already.
2991         (Descriptors::close_some_descriptor): Clear stack_next and
2992         is_on_stack fields.
2993
2994         PR 7091
2995         * output.cc (Output_section::find_starting_output_address): Rename
2996         from starting_output_address; add PADDR parameter; change return
2997         type.
2998         * output.h (class Output_section): Declare
2999         find_starting_output_address instead of starting_output_address.
3000         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
3001         section symbol for which we can't find a merge section.
3002
3003         PR 9836
3004         * symtab.cc (Symbol_table::add_from_object): If the visibility is
3005         hidden or internal, force the symbol to be local.
3006         * resolve.cc (Symbol::override_visibility): Define.
3007         (Symbol::override_base): Use override_visibility.
3008         (Symbol_table::resolve): Likewise.
3009         (Symbol::override_base_with_special): Likewise.
3010         (Symbol_table::override_with_special): If the visibility is hidden
3011         or internal, force the symbol to be local.
3012         * symtab.h (class Symbol): Add set_visibility and
3013         override_visibility.
3014         * testsuite/ver_test_1.sh: New file.
3015         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
3016         (check_DATA): Add ver_test_1.syms.
3017         (ver_test_1.syms): New target.
3018         * testsuite/Makefile.in: Rebuild.
3019
3020 2009-02-25  Cary Coutant  <ccoutant@google.com>
3021
3022         * layout.cc (Layout::choose_output_section): Don't rename sections
3023         when using a linker script that has a SECTIONS clause.
3024         * Makefile.in: Regenerate.
3025
3026         * testsuite/Makefile.am (script_test_5.sh): New test case.
3027         * testsuite/Makefile.in: Regenerate.
3028         * testsuite/script_test_5.cc: New file.
3029         * testsuite/script_test_5.sh: New file.
3030         * testsuite/script_test_5.t: New file.
3031
3032 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
3033
3034         * archive.cc (Archive::include_member): Update calls to add_symbols.
3035         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
3036         the Layout argument.
3037         * dynobj.h (do_add_symbols): Add the Layout argument.
3038         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
3039         Layout argument.
3040         * object.h (Object::add_symbols): Add the Layout argument.
3041         (Object::do_add_symbols): Add the Layout argument.
3042         (Sized_relobj::do_add_symbols): Add the Layout argument.
3043         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
3044         Unify the two versions.
3045         (Add_plugin_symbols): Remove.
3046         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
3047         (Sized_pluginobj::do_add_symbols): Unify the two versions.
3048         (Add_plugin_symbols): Remove.
3049         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
3050         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
3051         (Add_symbols::run): Make it work with Pulginobj.
3052
3053 2009-02-06  Ian Lance Taylor  <iant@google.com>
3054
3055         * object.cc (Sized_relobj::do_layout): Make info message start
3056         with lower case letter.
3057
3058 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
3059
3060         * binary.cc: Fix file comment.
3061
3062         * options.h (enum Incremental_disposition): Define.
3063         (class General_options): Add new options: --incremental,
3064         --incremental_changed, --incremental_unchanged,
3065         --incremental_unknown.  Add incremental_disposition_ and
3066         implicit_incremental_ fields.
3067         (General_options::incremental_disposition): New function.
3068         (class Position_dependent_options): Add incremental_disposition
3069         option.
3070         (Position_dependent_options::copy_from_options): Set incremental
3071         dispositions.
3072         * options.cc (General_options::parse_incremental_changed): New
3073         function.
3074         (General_options::parse_incremental_unchanged): New function.
3075         (General_options::parse_incremental_unknown): New function.
3076         (General_options::General_options): Initialize new fields
3077         incremental_disposition_ and implicit_incremental_.
3078         (General_options::finalize): Check for uasge of --incremental-*
3079         without --incremental.
3080
3081 2009-02-06  Chris Demetriou  <cgd@google.com>
3082
3083         * gold.h (gold_undefined_symbol): Change to take only a Symbol
3084         pointer and to report location as the file name associated with
3085         the symbol.
3086         (gold_undefined_symbol_at_location): New function to replace the
3087         old gold_undefined_symbol functionality.
3088         * target-reloc.h (relocate_section): Update to use
3089         gold_undefined_symbol_at_location.
3090         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
3091         Call gold_undefined_symbol function rather than gold_error.
3092         * errors.h (Errors::undefined_symbol): Take location as a
3093         string, rather than calculating it from a relocation.
3094         * errors.cc (Errors::fatal): Print "fatal error:" before the
3095         formatted message.
3096         (Errors::error, Errors::error_at_location): Print "error: "
3097         before the formatted message.
3098         (Errors::undefined_symbol): Take location as a string, rather
3099         than calculating it from a relocation.
3100         (gold_undefined_symbol_at_location): New function akin to
3101         old gold_undefined_symbol, calculates location from relocation.
3102         (gold_undefined_symbol): Change to take only a Symbol pointer
3103         and to report location as the file name associated with the symbol.
3104         * testsuite/debug_msg.sh: Update for changed error messages.
3105         * testsuite/undef_symbol.sh: Likewise.
3106
3107 2009-02-04  Duncan Sands  <baldrick@free.fr>
3108
3109         PR 9812
3110         * reduced_debug_output.h
3111         (Output_reduced_debug_abbrev_section::failed): Use format for
3112         gold_warning.
3113         (Output_reduced_debug_info_section::faild): Likewise.
3114
3115 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
3116
3117         * script.cc (Lazy_demangler): New class.
3118         (Version_script_info::get_symbol_version_helper): Demangle a
3119         symbol only once.
3120
3121 2009-01-29  Cary Coutant  <ccoutant@google.com>
3122
3123         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
3124         to __tls_get_addr.
3125         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
3126
3127 2009-01-28  Ian Lance Taylor  <iant@google.com>
3128
3129         * version.cc (version_string): Bump to 1.9.
3130
3131         * gold.h: Include <cstring> and <stdint.h>.
3132         * version.cc: Include <cstdio>.
3133         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
3134         warning.
3135         * reduced_debug_output.cc (insert_into_vector): Rename from
3136         Insert_into_vector; change all callers.  Use Swap_unaligned to
3137         avoid aliasing issue; remove union since it is unnecessary.
3138
3139 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
3140
3141         * Makefile.am (CCFILES): Add gc.cc.
3142         (HFILES): Add gc.h.
3143         * Makefile.in: Regenerate.
3144         * gold.cc (Gc_runner): New class.
3145         (queue_initial_tasks): Call garbage collection related tasks
3146         when corresponding options are invoked.
3147         (queue_middle_gc_tasks): New function.
3148         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
3149         processed early before laying out sections during garbage collection.
3150         * gold.h (queue_middle_gc_tasks): New function.
3151         (is_prefix_of): Move from "layout.cc".
3152         * i386.cc (Target_i386::gc_process_relocs): New function.
3153         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
3154         * main.cc (main): Create object of class "Garbage_collection".
3155         * object.cc (Relobj::copy_symbols_data): New function.
3156         (Relobj::is_section_name_included): New function.
3157         (Sized_relobj::do_layout): Allow this function to be called twice 
3158         during garbage collection and defer layout of section during the 
3159         first call.
3160         * object.h (Relobj::get_symbols_data): New function.
3161         (Relobj::is_section_name_included): New function.
3162         (Relobj::copy_symbols_data): New function.
3163         (Relobj::set_symbols_data): New function.
3164         (Relobj::get_relocs_data): New function.
3165         (Relobj::set_relocs_data): New function.
3166         (Relobj::is_output_section_offset_invalid): New pure virtual function.
3167         (Relobj::gc_process_relocs): New function.
3168         (Relobj::do_gc_process_relocs): New pure virtual function.
3169         (Relobj::sd_): New data member.
3170         (Sized_relobj::is_output_section_offset_invalid): New function.
3171         (Sized_relobj::do_gc_process_relocs): New function.
3172         * options.h (General_options::gc_sections): Modify to not be a no-op.
3173         (General_options::print_gc_sections): New option.
3174         * plugin.cc (Plugin_finish::run): Remove function call to
3175         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
3176         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
3177         * reloc.cc (Read_relocs::run): Add task to process relocs and
3178         determine unreferenced sections when doing garbage collection.
3179         (Gc_process_relocs): New class.
3180         (Sized_relobj::do_gc_process_relocs): New function.
3181         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
3182         sections that are garbage collected.
3183         * reloc.h (Gc_process_relocs): New class.
3184         * sparc.cc (Target_sparc::gc_process_relocs): New function.
3185         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
3186         symbols whose corresponding sections are garbage collected.
3187         (Symbol_table::Symbol_table): Add new parameter for the garbage
3188         collection object.
3189         (Symbol_table::gc_mark_undef_symbols): New function.
3190         (Symbol_table::gc_mark_symbol_for_shlib): New function.
3191         (Symbol_table::gc_mark_dyn_syms): New function.
3192         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
3193         as garbage.
3194         (Symbol_table::add_from_object): Likewise.
3195         (Symbol_table::add_from_relobj): When building shared objects, do not
3196         treat externally visible symbols as garbage.
3197         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
3198         table information for static and relocatable links.
3199         * symtab.h (Symbol_table::set_gc): New function.
3200         (Symbol_table::gc): New function.
3201         (Symbol_table::gc_mark_undef_symbols): New function.
3202         (Symbol_table::gc_mark_symbol_for_shlib): New function.
3203         (Symbol_table::gc_mark_dyn_syms): New function.
3204         (Symbol_table::gc_): New data member.
3205         * target.h (Sized_target::gc_process_relocs): New pure virtual 
3206         function.
3207         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
3208         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
3209
3210 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
3211
3212         * options.h (General_options::gc_sections): Define as a no-op for now.
3213         (General_options::no_keep_memory): Ditto.
3214         (General_options::Bshareable): Define.
3215         * options.cc (General_options::finalize): Honor -Bshareable.
3216
3217 2009-01-20  Andreas Schwab  <schwab@suse.de>
3218
3219         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
3220         read the value in the contents, since we don't use it.  Use the
3221         template endianness when writing.
3222         (Relocate::relocate): Use it for R_PPC_REL16_HA.
3223
3224 2009-01-19  Andreas Schwab  <schwab@suse.de>
3225
3226         * configure.tgt (powerpc64-*): Fix targ_obj.
3227
3228 2009-01-15  Ian Lance Taylor  <iant@google.com>
3229
3230         * object.cc (Sized_relobj::write_local_symbols): Don't write out
3231         local symbols when stripping all symbols.
3232
3233 2009-01-14  Cary Coutant  <ccoutant@google.com>
3234
3235         * output.cc (Output_reloc): Add explicit instantiations.
3236
3237 2009-01-14  Cary Coutant  <ccoutant@google.com>
3238
3239         * archive.cc (Archive::get_elf_object_for_member): Remove call
3240         to File_read::claim_for_plugin.
3241         * descriptors.cc (Descriptors::open): Remove reference to
3242         is_claimed.
3243         (Descriptors::claim_for_plugin): Remove.
3244         * descriptors.h (Descriptors::claim_for_plugin): Remove.
3245         (Descriptors::is_claimed): Remove.
3246         (claim_descriptor_for_plugin): Remove.
3247         * fileread.cc (File_read::claim_for_plugin): Remove.
3248         * fileread.h (File_read::claim_for_plugin): Remove.
3249         (File_read::descriptor): Reopen descriptor if necessary.
3250         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
3251         (Plugin_manager::all_symbols_read): Add task parameter. Change
3252         all callers.
3253         (Plugin_manager::get_input_file): New function.
3254         (Plugin_manager::release_input_file): New function.
3255         (Pluginobj::Pluginobj): Add filesize parameter and initialize
3256         corresponding data member.
3257         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
3258         and pass to base constructor. Change all callers.
3259         (get_input_file, release_input_file): New functions.
3260         (make_sized_plugin_object): Add filesize parameter. Change all callers.
3261         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
3262         (Plugin_manager::all_symbols_read): Add task parameter.
3263         (Plugin_manager::get_input_file): New function.
3264         (Plugin_manager::release_input_file): New function.
3265         (Plugin_manager::task_): New data member.
3266         (Pluginobj::Pluginobj): Add filesize parameter.
3267         (Pluginobj::filename): New function.
3268         (Pluginobj::descriptor): New function.
3269         (Pluginobj::filesize): New function.
3270         (Pluginobj::filesize_): New data member.
3271         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
3272         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
3273         File_read::claim_for_plugin; use Object::unlock to unlock the file.
3274
3275         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
3276         with archive libraries.
3277         * testsuite/Makefile.in: Regenerate.
3278         * testsuite/plugin_test.c (struct sym_info): New type.
3279         (get_input_file, release_input_file): New static variables.
3280         (onload): Capture new transfer vector entries.
3281         (claim_file_hook): Stop reading at end of file according to filesize.
3282         Factor out parsing of readelf output into separate function.
3283         (all_symbols_read_hook): Exercise get_input_file and release_input_file
3284         APIs and get the source file name from the symbol table.  Convert
3285         source file name to corresponding object file name.  Print info
3286         message when adding new input files.
3287         (parse_readelf_line): New function.
3288         * testsuite/plugin_test_1.sh: Add checks for new info messages.
3289         * testsuite/plugin_test_2.sh: Likewise.
3290         * testsuite/plugin_test_3.sh: Likewise.
3291         * testsuite/plugin_test_4.sh: New test case.
3292
3293 2009-01-07  Ian Lance Taylor  <iant@google.com>
3294
3295         * version.cc (version_string): Bump to 1.8.
3296
3297 2008-12-23  Cary Coutant  <ccoutant@google.com>
3298
3299         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
3300         * plugin.cc (Plugin_manager::finish): Rename as
3301         layout_deferred_objects.  Move cleanup to separate function.
3302         (Plugin_manager::cleanup): New function.
3303         (Plugin_finish::run): Call layout_deferred_objects and cleanup
3304         separately.
3305         * plugin.h (Plugin_manager::finish): Rename as
3306         layout_deferred_objects.
3307         (Plugin_manager::cleanup): New function.
3308         (Plugin_manager::cleanup_done): New field.
3309
3310 2008-12-23  Cary Coutant  <ccoutant@google.com>
3311
3312         * plugin.cc (is_visible_from_outside): New function.
3313         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
3314         so we don't return "IR only" status for exported symbols or -r links.
3315
3316         * testsuite/Makefile.am (plugin_test_3): New test case.
3317         * testsuite/Makefile.in: Regenerate.
3318         * testsuite/plugin_test_3.sh: New file.
3319
3320 2008-12-22  Cary Coutant  <ccoutant@google.com>
3321
3322         * object.cc (Sized_relobj::layout_section): New function.
3323         (Sized_relobj::do_layout): Defer layout of input sections until after
3324         plugin has provided replacement files.
3325         (Sized_relobj::do_layout_deferred_sections): New function.
3326         * object.h (Relobj::set_section_offset): Remove virtual keyword.
3327         (Relobj::layout_deferred_sections): New function.
3328         (Relobj::do_layout_deferred_sections): New function.
3329         (Sized_relobj::do_layout_deferred_sections): New function.
3330         (Sized_relobj::layout_section): New function.
3331         (Sized_relobj::Deferred_layout): New structure.
3332         (Sized_relobj::deferred_layout_): New field.
3333         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
3334         Change all callers.  Layout deferred sections.
3335         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
3336         references.
3337         (Plugin_hook::run): Move code from do_plugin_hook inline.
3338         (Plugin_hook::do_plugin_hook): Remove.
3339         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
3340         (Plugin_manager::finish): Renamed, was cleanup.
3341         (Plugin_manager::should_defer_layout): New function.
3342         (Plugin_manager::add_deferred_layout_object): New function.
3343         (Plugin_manager::Deferred_layout_list): New type.
3344         (Plugin_manager::deferred_layout_objects_): New field.
3345         (Plugin_hook::do_plugin_hook): Remove.
3346
3347 2008-12-17  Ian Lance Taylor  <iant@google.com>
3348
3349         * options.h (class General_options): Add --no case for
3350         --export-dynamic.
3351
3352 2008-12-16  Cary Coutant  <ccoutant@google.com>
3353
3354         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
3355         vector.
3356         (Plugin_manager::claim_file): Create plugin object even if
3357         plugin did not call the add_symbols callback.
3358         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
3359         asking for more symbols than were added.
3360         * testsuite/Makefile.am (plugin_test_1): Add test case with
3361         no global symbols.
3362         (empty.syms): New target.
3363         * testsuite/Makefile.in: Regenerate.
3364         * testsuite/plugin_test.c (claim_file_hook): Add new debug
3365         message. Don't call add_symbols if no globals.
3366         (all_symbols_read_hook): Don't provide replacement for empty
3367         claimed file.
3368
3369 2008-12-12  Ian Lance Taylor  <iant@google.com>
3370
3371         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
3372         r_type == 0 for a local symbol with r_sym == 0.
3373         (scan_relocatable_relocs): Pass r_sym to
3374         local_non_section_strategy.
3375         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
3376         r_sym parameter.
3377
3378         * configure.ac: Update test for TLS descriptors: they are
3379         supported as of glibc 2.9.
3380         * configure: Rebuild.
3381
3382 2008-12-11  Ian Lance Taylor  <iant@google.com>
3383
3384         PR 7091
3385         * target-reloc.h (Default_scan_relocatable_relocs): For each
3386         function, map r_type == 0 to RELOC_DISCARD.
3387
3388 2008-12-10  Cary Coutant  <ccoutant@google.com>
3389
3390         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
3391         object to override a kept COMDAT group from a plugin object.
3392
3393 2008-12-09  Ian Lance Taylor  <iant@google.com>
3394
3395         PR 7088
3396         * yyscript.y (file_cmd): Handle INPUT.
3397
3398         * testsuite/initpri1.c: Change all declarations to be full
3399         prototypes by adding void, to avoid compiler warnings.
3400
3401 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
3402
3403         * options.cc (General_options::parse_plugin_opt): New.
3404         (General_options::add_plugin): The argument now is just the filename.
3405         (General_options::add_plugin_option): New.
3406         * options.h (plugin_opt): New.
3407         (add_plugin): Change argument name.
3408         (add_plugin_option): New.
3409         * plugin.cc (Plugin::load): Don't parse the plugin option.
3410         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
3411         (Plugin::add_option): New.
3412         (Plugin::args_): Change type.
3413         (Plugin::filename_): New.
3414         (Plugin_manager::add_plugin_option): New.
3415         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
3416         * testsuite/Makefile.in: Regenerate.
3417
3418 2008-12-05  Cary Coutant  <ccoutant@google.com>
3419
3420         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
3421         Handle --strip-lto-sections option.
3422         * options.h (strip_lto_sections): New option.
3423
3424 2008-12-01  Cary Coutant  <ccoutant@google.com>
3425
3426         * plugin.cc (ld_plugin_message): Change format parameter to const.
3427         Fix mismatch between new[] and delete.
3428
3429 2008-11-14  Cary Coutant  <ccoutant@google.com>
3430
3431         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
3432         instead of -1U.
3433
3434 2008-11-05  Craig Silverstein  <csilvers@google.com>
3435
3436         * options.cc (General_options::parse_dynamic_list): New function.
3437         * options.h (General_options): New flags dynamic_list,
3438         dynamic_list_data, dynamic_list_cpp_new, and
3439         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
3440         (General_options::in_dynamic_list): New function.
3441         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
3442         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
3443         (Lex::can_continue_name): Likewise.
3444         (yylex): Likewise.
3445         (read_script_file): New parameter script_options.
3446         (read_dynamic_list): New function.
3447         (Script_options::define_dynamic_list): New function.
3448         (dynamic_list_keyword_parsecodes): New variable.
3449         (dynamic_list_keywords): New variable.
3450         * script.h (Script_options::define_dynamic_list): New function
3451         prototype.
3452         (read_dynamic_list): New function prototype.
3453         * symtab.cc (strprefix): New macro.
3454         (Symbol::should_add_dynsym_entry): Support dynamic_list,
3455         dynamic_list_data, dynamic_list_cpp_new, and
3456         dynamic_list_cpp_typeinfo.
3457         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
3458         (dynamic_list_expr): New rule.
3459         (dynamic_list_nodes): Likewise.
3460         (dynamic_list_node): Likewise.
3461         * testsuite/Makefile.am (dynamic_list): New test.
3462         * testsuite/Makefile.in: Regenerated.
3463         * testsuite/dynamic_list.t: New file.
3464         * testsuite/dynamic_list.sh: New file.
3465
3466 2008-11-05  Craig Silverstein  <csilvers@google.com>
3467
3468         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
3469         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
3470         (t11_last): Likewise.
3471         * testsuite/ver_test_6.c (main): Likewise.
3472
3473 2008-10-07  Cary Coutant  <ccoutant@google.com>
3474
3475         * options.c (General_options::finalize): Add check for -static and
3476         -shared.
3477         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
3478         is not empty.
3479
3480 2008-10-02  Cary Coutant  <ccoutant@google.com>
3481
3482         * plugin.cc (make_sized_plugin_object): Fix conditional
3483         compilation to work when not all targets are enabled.
3484
3485 2008-09-29  Cary Coutant  <ccoutant@google.com>
3486
3487         * archive.cc (Archive::get_file_and_offset): Use filename instead
3488         of name to get library path.
3489         (Archive::include_member): Unlock external member of a thin archive.
3490
3491         * testsuite/Makefile.am (TEST_AR): New variable.
3492         (thin_archive_test_1): New test.
3493         (thin_archive_test_2): New test.
3494         * testsuite/Makefile.in: Regenerate.
3495         * testsuite/thin_archive_main.cc: New file.
3496         * testsuite/thin_archive_test_1.cc: New file.
3497         * testsuite/thin_archive_test_2.cc: New file.
3498         * testsuite/thin_archive_test_3.cc: New file.
3499         * testsuite/thin_archive_test_4.cc: New file.
3500
3501 2008-09-29  Cary Coutant  <ccoutant@google.com>
3502
3503         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
3504         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
3505         instead of -1U.
3506         (Sized_relobj::do_finalize_local_symbols): Likewise.
3507         (Sized_relobj::map_to_kept_section): Likewise.
3508         * object.h (Sized_relobj::invalid_address): New constant.
3509         (Sized_relobj::do_output_section_offset): Check for invalid_address
3510         and return -1ULL.
3511         * output.cc (Output_reloc::local_section_offset): Use constant
3512         invalid_address instead of -1U.
3513         (Output_reloc::get_address): Likewise.
3514         (Output_section::output_address): Change -1U to -1ULL.
3515         * output.h (Output_reloc::invalid_address): New constant.
3516         * reloc.cc (Sized_relobj::write_sections): Use constant
3517         invalid_address instead of -1U.
3518         (Sized_relobj::relocate_sections): Likewise.
3519         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
3520         values for merge sections.
3521         * target-reloc.h (relocate_for_relocatable): Use constant
3522         invalid_address instead of -1U.
3523
3524 2008-09-19  Cary Coutant  <ccoutant@google.com>
3525
3526         Add plugin functionality for link-time optimization (LTO).
3527         * configure.ac (plugins): Add --enable-plugins option.
3528         * configure: Regenerate.
3529         * config.in: Regenerate.
3530         * Makefile.am (LIBDL): New variable.
3531         (CCFILES): Add plugin.cc.
3532         (HFILES): Add plugin.h.
3533         (ldadd_var): Add LIBDL.
3534         * Makefile.in: Regenerate.
3535
3536         * archive.cc: Include "plugin.h".
3537         (Archive::setup): Don't preread archive symbols when using a plugin.
3538         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
3539         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
3540         files.
3541         (Archive::include_member): Add symbols from plugin objects.
3542         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
3543         * descriptors.cc (Descriptors::open): Check for file descriptors
3544         abandoned by plugins.
3545         (Descriptors::claim_for_plugin): New function.
3546         * descriptors.h (Descriptors::claim_for_plugin): New function.
3547         (Open_descriptor::is_claimed): New field.
3548         (claim_descriptor_for_plugin): New function.
3549         * fileread.cc (File_read::claim_for_plugin): New function.
3550         * fileread.h (File_read::claim_for_plugin): New function.
3551         (File_read::descriptor): New function.
3552         * gold.cc: Include "plugin.h".
3553         (queue_initial_tasks): Add task to call plugin hooks for generating
3554         new object files.
3555         * main.cc: Include "plugin.h".
3556         (main): Load plugin libraries.
3557         * object.h (Pluginobj): Declare.
3558         (Object::pluginobj): New function.
3559         (Object::do_pluginobj): New function.
3560         (Object::set_target): New function.
3561         * options.cc: Include "plugin.h".
3562         (General_options::parse_plugin): New function.
3563         (General_options::General_options): Initialize plugins_ field.
3564         (General_options::add_plugin): New function.
3565         * options.h (Plugin_manager): Declare.
3566         (General_options): Add --plugin option.
3567         (General_options::has_plugins): New function.
3568         (General_options::plugins): New function.
3569         (General_options::add_plugin): New function.
3570         (General_options::plugins_): New field.
3571         * plugin.cc: New file.
3572         * plugin.h: New file.
3573         * readsyms.cc: Include "plugin.h".
3574         (Read_symbols::do_read_symbols): Check for archive before checking
3575         for ELF file.  Call plugin hooks to claim files.
3576         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
3577         from a real object file; force override when processing replacement
3578         files.
3579         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
3580         (Symbol::init_base_object): Likewise.
3581         (Symbol::init_base_output_data): Likewise.
3582         (Symbol::init_base_output_segment): Likewise.
3583         (Symbol::init_base_constant): Likewise.
3584         (Symbol::init_base_undefined): Likewise.
3585         (Symbol::output_section): Assert that object is not a plugin.
3586         (Symbol_table::add_from_pluginobj): New function.
3587         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
3588         undefined.
3589         (Symbol_table::sized_write_globals): Likewise.
3590         (Symbol_table::add_from_pluginobj): Instantiate template.
3591         * symtab.h (Sized_pluginobj): Declare.
3592         (Symbol::in_real_elf): New function.
3593         (Symbol::set_in_real_elf): New function.
3594         (Symbol::in_real_elf_): New field.
3595         (Symbol_table::add_from_pluginobj): New function.
3596
3597         * testsuite/Makefile.am (AM_CFLAGS): New variable.
3598         (LIBDL): New variable.
3599         (LDADD): Add LIBDL.
3600         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
3601         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
3602         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
3603         (MOSTLYCLEANFILES): Likewise.
3604         * testsuite/Makefile.in: Regenerate.
3605         * testsuite/plugin_test.c: New file.
3606         * testsuite/plugin_test_1.sh: New file.
3607         * testsuite/plugin_test_2.sh: New file.
3608
3609 2008-09-16  Ian Lance Taylor  <iant@google.com>
3610
3611         * target-reloc.h (relocate_section): Check whether a symbol is
3612         defined by the ABI before reporting an undefined symbol error.
3613         * target.h (Target::is_defined_by_abi): Make parameter const.
3614         (Target::do_is_defined_by_abi): Likewise.
3615         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
3616         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
3617         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
3618         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
3619         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
3620         * testsuite/Makefile.in: Rebuild.
3621
3622         * fileread.cc (make_view): Add casts to avoid warning.
3623
3624 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
3625
3626         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
3627         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
3628
3629 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
3630
3631         * options.h (General_options::output_is_executable): New.
3632         (General_options::output_is_pie): New.
3633         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
3634         for shared libraries.
3635         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
3636
3637 2008-09-11  Chris Demetriou  <cgd@google.com>
3638
3639         * options.h (origin): New -z option.
3640         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
3641         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
3642         in DT_FLAGS_1.
3643
3644 2008-09-05  Cary Coutant  <ccoutant@google.com>
3645
3646         * fileread.cc (File_read::make_view): Add check for attempt to map
3647         beyond end of file.
3648
3649 2008-09-05  Cary Coutant  <ccoutant@google.com>
3650
3651         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
3652         explicit instantiations.
3653
3654 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
3655
3656         PR gold/6858
3657         * options.cc (General_options::finalize): Allow undefined symbols
3658         in shlibs if linking -shared.
3659
3660         PR gold/6859
3661         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
3662         symbols as not needing a dynsym entry.
3663
3664 2008-08-20  Craig Silverstein  <csilvers@google.com>
3665
3666         * fileread.cc (File_read::open): Do not lock the file unless it
3667         was successfully opened.
3668
3669 2008-08-14  Cary Coutant  <ccoutant@google.com>
3670
3671         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
3672         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
3673         * testsuite/tls_test.cc (struct int128): 128-bit struct
3674         for testing TLS relocs with non-zero addend.
3675         (v12): New TLS variable.
3676         (t12): New test.
3677         (t_last): Add check for v12.
3678         * testsuite/tls_test.h (t12): New function.
3679         * testsuite/tls_test_main.cc (thread_routine): Call new test.
3680
3681 2008-08-13  Ian Lance Taylor  <iant@google.com>
3682
3683         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
3684         set tls_segment_ or relro_segment_.
3685         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
3686         when appropriate.
3687         * output.h (Output_section::clear_is_relro): New function.
3688         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
3689         sections specially even when output_data_ is empty.
3690         (Output_segment::maximum_alignment): When first section is relro,
3691         only force alignment for PT_LOAD segments.
3692         * script.cc (script_data_segment_align): New function.
3693         (script_data_segment_relro_end): New function.
3694         * script-c.h (script_data_segment_align): Declare.
3695         (script_data_segment_relro_end): Declare.
3696         * script-sections.h (class Script_sections): Declare
3697         data_segment_align and data_segment_relro_end.  Add fields
3698         segment_align_index_ and saw_relro_end_.
3699         * script-sections.cc (class Sections_element): Add set_is_relro
3700         virtual function.  Add new bool* parameter to place_orphan_here.
3701         Add get_output_section virtual function.
3702         (class Output_section_definition): Add set_is_relro.  Add new
3703         bool* parameter to place_orphan_here.  Add get_output_section.
3704         Add is_relro_ field.
3705         (Output_section_definition::Output_section_definition): Initialize
3706         evaluated_address_, evaluated_load_address, evaluated_addralign_,
3707         and is_relro_ fields.
3708         (Output_section_definition::place_orphan_here): Add is_relro
3709         parameter.
3710         (Output_section_definition::set_section_addresses): Set relro for
3711         output section.
3712         (Output_section_definition::alternate_constraint): Likewise.
3713         (class Orphan_output_section): Add new bool* parameter to
3714         place_orphan_here.  Add get_output_section.
3715         (Orphan_output_section::place_orphan_here): Add is_relro
3716         parameter.
3717         (Script_sections::Script_sections): Initialize
3718         data_segment_align_index_ and saw_relro_end_.
3719         (Script_sections::data_segment_align): New function.
3720         (Script_sections::data_segment_relro_end): New function.
3721         (Script_sections::place_orphan): Set or clear is_relro.
3722         (Script_sections::set_section_addresses): Force alignment of first
3723         TLS section.
3724         * yyscript.y (exp): Call script_data_segment_align and
3725         script_data_segment_relro_end.
3726         * testsuite/relro_script_test.t: New file.
3727         * testsuite/relro_test.cc (using_script): Declare.
3728         (t1, t2): Test using_script.
3729         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
3730         (relro_script_test_SOURCES): Define.
3731         (relro_script_test_DEPENDENCIES): Define.
3732         (relro_script_test_LDFLAGS): Define.
3733         (relro_script_test_LDADD): Define.
3734         (relro_script_test.so): New target.
3735         * testsuite/Makefile.in: Rebuild.
3736
3737 2008-08-06  Cary Coutant <ccoutant@google.com>
3738
3739         * archive.cc (Archive::total_archives, Archive::total_members)
3740         (Archive::total_members_loaded): New variables.
3741         (Archive::setup): Add parameter.  Add option to preread
3742         archive symbols.
3743         (Archive::read_armap): Add counter.
3744         (Archive::get_file_and_offset): New function.
3745         (Archive::get_elf_object_for_member): New function.
3746         (Archive::read_all_symbols): New function.
3747         (Archive::read_symbols): New function.
3748         (Archive::add_symbols): Add counters.
3749         (Archive::include_all_members): Use armap to find members if it's
3750         already built.
3751         (Archive::include_member): Skip reading symbols if already read.
3752         Factored code into Archive::get_file_and_offset and
3753         Archive::get_elf_object_for_member.  Changed call to
3754         Mapfile::report_include_archive_member.
3755         (Archive::print_stats): New function.
3756         * archive.h: Declare Object and Read_symbols_data classes.
3757         (Archive::Archive): Add initializers for new members.
3758         (Archive::setup): Add parameter.
3759         (Archive::print_stats): New function.
3760         (Archive::total_archives, Archive::total_members)
3761         (Archive::total_members_loaded): New variables.
3762         (Archive::get_file_and_offset): New function.
3763         (Archive::get_elf_object_for_member): New function.
3764         (Archive::read_all_symbols): New function.
3765         (Archive::read_symbols): New function.
3766         (Archive::Archive_member): New class.
3767         (Archive::members_): New member.
3768         (Archive::num_members_): New member.
3769         * main.cc: Include archive.h.
3770         (main): Call Archive::print_stats.
3771         * mapfile.cc (Mapfile::report_include_archive_member): Delete
3772         archive parameter; member_name is now the fully-decorated name.
3773         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
3774         * options.h: (General_options): Add --preread-archive-symbols option.
3775         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
3776         Archive::setup.
3777
3778 2008-08-04  Ian Lance Taylor  <iant@google.com>
3779
3780         * symtab.h (Symbol::use_plt_offset): New function.
3781         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
3782         * powerpc.cc (Relocate::relocate): Likewise.
3783         * sparc.cc (Relocate::relocate): Likewise.
3784         * x86_64.cc (Relocate::relocate): Likewise.
3785         * testsuite/weak_plt.sh: New test.
3786         * testsuite/weak_plt_main.cc: New test.
3787         * testsuite/weak_plt_shared.cc: New test.
3788         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
3789         (check_PROGRAMS): Add weak_plt.
3790         (check_DATA): Add weak_plt_shared.so.
3791         (weak_plt_main_pic.o, weak_plt): New targets.
3792         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
3793         * testsuite/Makefile.in: Rebuild.
3794
3795         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
3796         gcctestdir/ld.
3797         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
3798         * testsuite/Makefile.in: Rebuild.
3799
3800 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
3801
3802         * Makefile.am (POTFILES.in): Set LC_ALL=C.
3803         * Makefile.in: Regenerate.
3804         * po/POTFILES.in: Regenerate.
3805
3806 2008-07-29  Ian Lance Taylor  <iant@google.com>
3807
3808         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
3809         symbols before other symbols.
3810         * testsuite/script_test_2.cc (test_addr): Declare.
3811         (test_addr_alias): Declare.
3812         (main): Check that test_addr and test_addr_alias have the right
3813         values.
3814         * testsuite/script_test_2.t: Define test_addr_alias and
3815         test_addr.
3816
3817 2008-07-24  Ian Lance Taylor  <iant@google.com>
3818
3819         PR 5990
3820         * descriptors.cc: New file.
3821         * descriptors.h: New file.
3822         * gold-threads.h (class Hold_optional_lock): New class.
3823         * fileread.cc: Include "descriptors.h".
3824         (File_read::~File_read): Release descriptor rather than closing
3825         it.
3826         (File_read::open) [file]: Call open_descriptor rather than open.
3827         Set is_descriptor_opened_.
3828         (File_read::open) [memory]: Assert that descriptor is not open.
3829         (File_read::reopen_descriptor): New function.
3830         (File_read::release): Release descriptor.
3831         (File_read::do_read): Make non-const.  Reopen descriptor.
3832         (File_read::read): Make non-const.
3833         (File_read::make_view): Reopen descriptor.
3834         (File_read::do_readv): Likewise.
3835         * fileread.h (class File_read): Add is_descriptor_opened_ field.
3836         Update declarations.
3837         * layout.cc: Include "descriptors.h".
3838         (Layout::create_build_id): Use open_descriptor rather than open.
3839         * output.cc: Include "descriptors.h".
3840         (Output_file::open): Use open_descriptor rather than open.
3841         * archive.cc (Archive::const_iterator): Change Archive to be
3842         non-const.
3843         (Archive::begin, Archive::end): Make non-const.
3844         (Archive::count_members): Likewise.
3845         * archive.h (class Archive): Update declarations.
3846         * object.h (Object::read): Make non-const.
3847         * Makefile.am (CCFILES): Add descriptors.cc.
3848         (HFILES): Add descriptors.h.
3849         * Makefile.in: Rebuild.
3850
3851         PR 6716
3852         * gold.h: Always include <clocale>.  Add Solaris workarounds
3853         following code in binutils/sysdep.h.
3854
3855         PR 6048
3856         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
3857         this->eh_frame_hdr_ is NULL before using it.
3858
3859         * dynobj.cc (Versions::Versions): Update comment.
3860
3861         * dynobj.cc (Versions::Versions): If there is an soname, use it as
3862         the base version name.
3863
3864         * stringpool.cc (Stringpool_template::add_with_length): Set key to
3865         array size plus one.
3866         (Stringpool_template::set_string_offsets): Subtract one from key
3867         before using it as an array index.
3868         (Stringpool_template::get_offset_with_length): Likewise.
3869         (Stringpool_template::write_to_buffer): Likewise.
3870         * stringpool.h (Stringpool_template::get_offset_from_key):
3871         Likewise.
3872
3873 2008-07-23  Ian Lance Taylor  <iant@google.com>
3874
3875         PR 6658
3876         * object.h (Merged_symbol_value::value): Do our best to handle a
3877         negative addend.
3878
3879         PR 6647
3880         * script.cc (Version_script_info::get_versions): Don't add empty
3881         version tag to return value.
3882         (Version_script_info::get_symbol_version_helper): Change return
3883         type to bool.  Add pversion parameter.  Change all callers.
3884         (script_register_vers_node): Don't require a non-NULL tag.
3885         * script.h (class Version_script_info): Update declarations.
3886         (Version_script_info::get_symbol_version): Change return type to
3887         bool.  Add version parameter.  Change all callers.
3888         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
3889         handling.  Handle an empty version from a version script.
3890         (Symbol_table::define_special_symbol): Likewise.
3891         * testsuite/ver_test_10.script: New file.
3892         * testsuite/ver_test_10.sh: New file.
3893         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
3894         (check_DATA): Add ver_test_10.syms.
3895         (ver_test_10.syms, ver_test_10.so): New target.
3896         * testsuite/Makefile.in: Rebuild.
3897
3898 2008-07-23  Simon Baldwin  <simonb@google.com>
3899
3900         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
3901         to zero for undefined symbols from dynamic libraries.
3902
3903 2008-07-23  Ian Lance Taylor  <iant@google.com>
3904
3905         * symtab.cc (Symbol_table::resolve): Remove version parameter.
3906         Change all callers.
3907         * symtab.h (class Symbol_table): Update declaration.
3908         * testsuite/ver_test_9.cc: New file.
3909         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
3910         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
3911         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
3912         (ver_test_9.so, ver_test_9.o): New targets.
3913         * testsuite/Makefile.in: Rebuild.
3914
3915 2008-07-22  Ian Lance Taylor  <iant@google.com>
3916
3917         * options.h (class General_options): Define --check-sections.
3918         * layout.cc (Layout::set_segment_offsets): Handle
3919         --check-sections.
3920
3921         * options.h (class General_options): Define -n/--nmagic and
3922         -N/--omagic.
3923         * options.cc (General_options::finalize): For -n/--nmagic or
3924         -N/--omagic, set -static.
3925         * layout.cc (Layout::attach_allocated_section_to_segment): If
3926         -N/--omagic, don't put read-only and read-write sections in
3927         different segments.
3928         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
3929         finding a read-only segment.
3930         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
3931         don't set the minimum segment alignment to the common page size,
3932         and don't set the file offset to the address modulo the page size.
3933         * script-sections.cc (Script_sections::create_segments): If
3934         -n/--omagic, don't put read-only and read-write sections in
3935         different segments.
3936
3937         * cref.cc: New file.
3938         * cref.h: New file.
3939         * options.h (class General_options): Add --print-symbol-counts.
3940         * main.cc (main): Issue defined symbol report if requested.
3941         * archive.cc (Archive::interpret_header): Make into a const member
3942         function.
3943         (Archive::add_symbols): Call Input_objects::archive_start and
3944         archive_stop.
3945         (Archive::const_iterator): Define new class.
3946         (Archive::begin, Archive::end): New functions.
3947         (Archive::include_all_members): Rewrite to use iterator.
3948         (Archive::count_members): New function.
3949         * archive.h (class Archive): Update declarations.
3950         (Archive::filename): New function.
3951         * object.cc: Include "cref.h".
3952         (Sized_relobj::Sized_relobj): Initialize defined_count_.
3953         (Sized_relobj::do_get_global_symbol_counts): New function.
3954         (Input_objects::add_object): Add object to cross-referencer.
3955         (Input_objects::archive_start): New function.
3956         (Input_objects::archive_stop): New function.
3957         (Input_objects::print_symbol_counts): New function.
3958         * object.h: Declare Cref and Archive.
3959         (Object::get_global_symbol_counts): New function.
3960         (Object::do_get_global_symbol_counts): New pure virtual function.
3961         (class Sized_relobj): Add defined_count_ field.  Update
3962         declarations.
3963         (class Input_objects): Add cref_ field.  Update constructor.
3964         Update declarations.
3965         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
3966         defined_count_.
3967         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
3968         symbol counts.
3969         (Sized_dynobj::do_get_global_symbol_counts): New function.
3970         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
3971         defined_count_.  Update declarations.  Define Symbols typedef.
3972         * symtab.cc (Symbol_table::add_from_relobj): Add defined
3973         parameter.  Change all callers.
3974         (Symbol_table::add_from_dynobj): Add sympointers and defined
3975         parameters.  Change all callers.
3976         * symtab.h (class Symbol_table): Update declarations.
3977         * Makefile.am (CCFILES): Add cref.cc.
3978         (HFILES): Add cref.h.
3979         * Makefile.in: Rebuild.
3980
3981 2008-07-22  Simon Baldwin  <simonb@google.com>
3982
3983         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
3984         to zero when writing undefined symbols.
3985
3986 2008-07-22  Ian Lance Taylor  <iant@google.com>
3987
3988         * output.cc (Output_section::add_input_section): Don't try to
3989         merge empty merge sections.
3990
3991 2008-07-21  Craig Silverstein  <csilvers@google.com>
3992
3993         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
3994         Include symbol version in error message.
3995
3996 2008-07-20  Chris Demetriou  <cgd@google.com>
3997
3998         * configure.ac (gold_cv_c_random_seed): New configured variable.
3999         (RANDOM_SEED_CFLAGS): New substituted variable.
4000         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
4001         * configure: Rebuild.
4002         * Makefile.in: Likewise.
4003         * testsuite/Makefile.in: Likewise.
4004
4005 2008-07-18  Ian Lance Taylor  <iant@google.com>
4006
4007         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
4008         where we see NAME/NULL and NAME/VERSION  as separate symbols.
4009         * testsuite/ver_test_main.cc (main): Call t4.
4010         (t4, t4_2a): Define.
4011         * testsuite/ver_test_2.cc (t4_2): Define.
4012         * testsuite/ver_test_2.script: Put t4_2a in VER2.
4013         * testsuite/ver_test_4.cc (t4_2a): Define.
4014         * testsuite/ver_test_4.script: Put t4_2a in VER2.
4015         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
4016
4017 2008-07-17  Ian Lance Taylor  <iant@google.com>
4018
4019         * dynobj.cc (Versions::add_def): If we give an error about a
4020         missing version, go ahead and create the version anyhow.
4021
4022 2008-07-10  Ian Lance Taylor  <iant@google.com>
4023
4024         Handle output sections with more than 0x7fffffff bytes.
4025         * object.h (class Relobj): Change map_to_output_ to
4026         output_sections_, and just keep a section pointer.  Change all
4027         uses.  Move comdat group support to Sized_relobj.
4028         (Relobj::is_section_specially_mapped): Remove.
4029         (Relobj::output_section): Remove poff parameter.  Change all
4030         callers.
4031         (Relobj::output_section_offset): New function.
4032         (Relobj::set_section_offset): Rewrite.
4033         (Relobj::map_to_output): Remove.
4034         (Relobj::output_sections): New function.
4035         (Relobj::do_output_section_offset): New pure virtual function.
4036         (Relobj::do_set_section_offset): Likewise.
4037         (class Sized_relobj): Add section_offsets_ field.  Add comdat
4038         group support from Relobj.  Update declarations.
4039         (Sized_relobj::get_output_section_offset): New function.
4040         (Sized_relobj::do_output_section_offset): New function.
4041         (Sized_relobj::do_set_section_offset): New function.
4042         * object.cc (Relobj::output_section_address): Remove.
4043         (Sized_relobj::Sized_relobj): Initialize new fields.
4044         (Sized_relobj::include_section_group): Cast find_kept_object to
4045         Sized_relobj.
4046         (Sized_relobj::include_linkonce_section): Likewise.
4047         (Sized_relobj::do_layout): Use separate arrays for output section
4048         and output offset.
4049         (Sized_relobj::do_count_local_symbols): Change map_to_output to
4050         output_sections.
4051         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
4052         output_sections and section_offsets.
4053         (Sized_relobj::write_local_symbols): Likewise.
4054         (map_to_kept_section): Compute output address directly.
4055         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
4056         output_sections and section_offsets.
4057         (Sized_relobj::write_sections): Likewise.
4058         (Sized_relobj::relocate_sections): Likewise.
4059         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
4060         * output.h (class Output_reloc): Update declarations.  Change
4061         u2_.relobj to Sized_relobj*.
4062         (class Output_data_reloc): Change add functions to use
4063         Sized_relobj*.
4064         * output.cc (Output_reloc::Output_reloc): Change relobj to
4065         Sized_relobj*.
4066         (Output_reloc::local_section_offset): Change return type to
4067         Elf_Addr.  Use get_output_section_offset.
4068         (Output_reloc::get_address): Likewise.
4069         (Output_section::is_input_address_mapped): Don't call
4070         is_section_specially_mapped.
4071         (Output_section::output_offset): Likewise.
4072         (Output_section::output_address): Likewise.
4073         (Output_section::starting_output_address): Likewise.
4074         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
4075         parameter to Sized_relobj*.
4076         (Copy_relocs::need_copy_reloc): Likewise.
4077         (Copy_relocs::save): Likewise.
4078         * copy-relocs.h (class Copy_relocs): Update declarations.
4079         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
4080         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
4081         * target-reloc.h (relocate_for_relocatable): Change
4082         offset_in_output_section type to Elf_Addr.  Change code that uses
4083         it as well.
4084         * layout.cc (Layout::layout): Always set *off.
4085         * mapfile.cc (Mapfile::print_input_section): Use
4086         output_section_offset.
4087         * i386.cc (Target_i386::copy_reloc): Change object parameter to
4088         Sized_relobj*.
4089         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
4090         * sparc.cc (Target_sparc::copy_reloc): Likewise.
4091         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
4092
4093 2008-07-03  Ian Lance Taylor  <iant@google.com>
4094
4095         * layout.cc (Layout::include_section): Do not discard unrecognized
4096         SHT_STRTAB sections.
4097
4098 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
4099
4100         * script.cc (Lex::can_continue_name): Make '?' allowable in
4101         version-script names.
4102         * testsuite/version_script.map: Change glob pattern to use '?'
4103
4104 2008-06-30  Manish Singh  <yosh@gimp.org>
4105
4106         PR 6585
4107         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
4108         Correct typo.
4109
4110 2008-06-30  Ian Lance Taylor  <iant@google.com>
4111
4112         PR 6660
4113         PR 6682
4114         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
4115         versions]: Don't try to read the value in the contents, since we
4116         don't use it.  Use the template endianness when writing.
4117
4118 2008-06-25  Cary Coutant  <ccoutant@google.com>
4119
4120         * fileread.cc (File_read::make_view): Assert on zero-length view.
4121         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
4122         symbol table when there are no symbols to read.
4123
4124 2008-06-23  Craig Silverstein  <csilvers@google.com>
4125
4126         * version.cc (version_string): Bump to 1.7
4127
4128 2008-06-18  Craig Silverstein  <csilvers@google.com>
4129
4130         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
4131         constant 0xFFFF to type Valtype.
4132         (Powerpc_relocate_functions::rel16_ha): Likewise.
4133
4134 2008-06-17  Ian Lance Taylor  <iant@google.com>
4135
4136         * output.h (Output_section::Input_section): Initialize p2align_ to
4137         zero for Output_section_data constructors.
4138         (Output_section::Input_section::addralign): If not an input
4139         section, return the alignment of the Output_section_data.
4140         * testsuite/copy_test.cc: New file.
4141         * testsuite/copy_test_1.cc: New file.
4142         * testsuite/copy_test_2.cc: New file.
4143         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
4144         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
4145         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
4146         (copy_test_1_pic.o, copy_test_1.so): New targets.
4147         (copy_test_2_pic.o, copy_test_2.so): New targets.
4148         * testsuite/Makefile.in: Rebuild.
4149
4150         * script-sections.cc (Script_sections::place_orphan): Initialize
4151         local variable exact.
4152
4153 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
4154
4155         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
4156
4157 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
4158             David S. Miller  <davem@davemloft.net>
4159
4160         * powerpc.cc: New file.
4161         * Makefile.am (TARGETSOURCES): Add powerpc.cc
4162         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
4163         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
4164         * Makefile.in: Rebuild.
4165
4166 2008-06-09  Ian Lance Taylor  <iant@google.com>
4167
4168         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
4169         <exception>.
4170         (throwing, orig_terminate): New static variables.
4171         (terminate_handler): New static function.
4172         (t2): Set terminate handler.
4173
4174 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
4175
4176         PR 6584
4177         * binary.cc (Binary_to_elf::sized_convert): Fix .data
4178         alignment.
4179
4180 2008-05-30  Cary Coutant  <ccoutant@google.com>
4181
4182         * archive.cc (Archive::include_all_members) Correct to step
4183         over symbol table and extended name table in thin archives.
4184
4185 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
4186
4187         PR 6407
4188         * target-reloc.h (relocate_for_relocatable): Fix new_offset
4189         calculation.
4190
4191 2008-05-28  Caleb Howe  <cshowe@google.com>
4192
4193         * reduced_debug_output.cc: New file.
4194         * reduced_debug_output.h: New file.
4195         * options.h (class General_options): Add --strip-debug-non-line.
4196         * options.cc (General_options::finalize): Add strip_debug_non_line
4197         to the strip heirarchy.
4198         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
4199         fields.
4200         * layout.cc: Include "reduced_debug_output.h".
4201         (Layout::Layout): Initialize new fields.
4202         (line_only_debug_sections): New static array.
4203         (is_lines_only_debug_sections): New static inline function.
4204         (Layout::include_section): Handle --strip-debug-non-line.
4205         (Layout::make_output_section): If --strip-debug-non-line, build
4206         new output sections for .debug_abbrev and .debug_info.
4207         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
4208         gold.  Warn about possible overflow.
4209         (read_signed_LEB_128): Likewise.
4210         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
4211         (read_signed_LEB_128): Declare.
4212         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
4213         (HFILES): Add reduced_debug_output.h.
4214         * Makefile.in: Rebuild.
4215
4216 2008-05-21  Ian Lance Taylor  <iant@google.com>
4217
4218         * mapfile.cc: New file.
4219         * mapfile.h: New file.
4220         * options.h (class General_options): Add -M/--print-map and -Map.
4221         * options.cc (General_options::finalize): Make -M equivalent to
4222         -Map -.
4223         * main.cc: Include <cstdio> and "mapfile.h".
4224         (main): Open mapfile if requested.
4225         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
4226         constructor.  Change caller.
4227         (queue_initial_tasks): Add mapfile parameter.  Change caller.
4228         (queue_middle_tasks): Likewise.
4229         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
4230         declarations.
4231         * archive.cc: Include "mapfile.h".
4232         (Archive::add_symbols): Add mapfile parameter.  Change all
4233         callers.  Pass mapfile, symbol, and reason to include_member.
4234         (Archive::include_all_members): Add mapfile parameter.  Change all
4235         callers.
4236         (Archive::include_member): Add mapfile, sym, and why parameters.
4237         Change all callers.  Report inclusion to map file.
4238         * archive.h: Include "fileread.h".
4239         (class Archive): Update declarations.
4240         (Archive::file): New const method.
4241         (class Add_archive_symbols): Add mapfile_ field.  Update
4242         constructor.  Change all callers.
4243         * readsyms.h (class Read_symbols): Likewise.
4244         (class Finish_group): Likewise.
4245         (class Read_script): Likewise.
4246         * common.cc: Include "mapfile.h".
4247         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
4248         all callers.
4249         (Symbol_table::do_allocate_commons): Likewise.
4250         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
4251         symbol allocation to mapfile.
4252         * common.h (class Allocate_commons_task): Add mapfile_ field.
4253         Update constructor.  Change all callers.
4254         * symtab.h (class Symbol_table): Update declarations.
4255         * layout.cc: Include "mapfile.h".
4256         (Layout_task_runner::run): Print information to mapfile.
4257         (Layout::create_gold_note): Change Output_data_fixed_space to
4258         Output_data_zero_fill.
4259         (Layout::create_build_id): Likewise.
4260         (Layout::print_to_mapfile): New function.
4261         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
4262         constructor.  Change caller.
4263         (class Layout): Declare print_to_mapfile.
4264         * output.cc (Output_section::Input_section::print_to_mapfile): New
4265         function.
4266         (Output_section::add_input_section): If producing a map, always
4267         add to input_sections_ list.
4268         (Output_section::do_print_to_mapfile): New function.
4269         (Output_segment::print_sections_to_mapfile): New function.
4270         (Output_segment::print_section_list_to_mapfile): New function.
4271         * output.h: Include "mapfile.h".
4272         (Output_data::print_to_mapfile): New function.
4273         (Output_data::do_print_to_mapfile): New virtual function.
4274         (Output_segment_headers::do_print_to_mapfile): New function.
4275         (Output_file_header::do_print_to_mapfile): New function.
4276         (Output_data_const::do_print_to_mapfile): New function.
4277         (class Output_data_const_buffer): Add map_name_ field.  Update
4278         constructor.  Change all callers.  Add do_print_to_mapfile
4279         function.
4280         (class Output_data_fixed_space): Likewise.
4281         (class Output_data_space): Likewise.
4282         (class Output_data_zero_fill): New class.
4283         (Output_data_strtab::do_print_to_mapfile): New function.
4284         (Output_data_reloc_base::do_print_to_mapfile): New function.
4285         (Output_relocatable_relocs::do_print_to_mapfile): New function.
4286         (Output_data_group::do_print_to_mapfile): New function.
4287         (Output_data_got::do_print_to_mapfile): New function.
4288         (Output_data_dynamic::do_print_to_mapfile): New function.
4289         (Output_symtab_xindex::do_print_to_mapfile): New function.
4290         (class Output_section): Declare do_print_to_mapflie.  Declare
4291         print_to_mapfile in Input_section.
4292         (class Output_segment): Declare new functions.
4293         * object.h (Sized_relobj::symbol_count): New function.
4294         * script-sections.cc
4295         (Output_section_element_dot_assignment::set_section_addresses):
4296         Change Output_data_fixed_space to Output_data_zero_fill.
4297         (Output_data_expression::do_print_to_mapfile): New function.
4298         * script.cc (read_input_script): Add mapfile parameter.  Change
4299         all callers.
4300         * script.h (read_input_script): Update declaration.
4301         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
4302         (Eh_frame::do_print_to_mapfile): New function.
4303         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
4304         (Output_merge_string::do_print_to_mapfile): New function.
4305         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
4306         function.
4307         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
4308         function.
4309         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
4310         function.
4311         * Makefile.am (CCFILES): Add mapfile.cc.
4312         (HFILES): Add mapfile.h.
4313         * Makefile.in: Rebuild.
4314
4315 2008-05-19  Ian Lance Taylor  <iant@google.com>
4316
4317         * options.h (class General_options): Add -z relro.
4318         * layout.cc (Layout::Layout): Initialize relro_segment_.
4319         (Layout::add_output_section_data): Return the output section.
4320         (Layout::make_output_section): Rcognize relro sections and mark
4321         them appropriately.
4322         (Layout::attach_allocated_section_to_segment): Put relro sections
4323         in a PT_GNU_RELRO segment.
4324         (Layout::create_initial_dynamic_sections): Mark the .dynamic
4325         section as relro.
4326         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
4327         PT_TLS segments.
4328         (Layout::linkonce_mapping): Map d.rel.ro.local to
4329         .data.rel.ro.local.
4330         (Layout::output_section_name): Us .data.rel.ro.local for any
4331         section which begins with that.
4332         * layout.h (class Layout): Update add_output_section_data
4333         declaration.  Add relro_segment_ field.
4334         * output.cc (Output_section::Output_section): Initialize is_relro_
4335         and is_relro_local_ fields.
4336         (Output_segment::add_output_section): Group relro sections.
4337         (Output_segment::is_first_section_relro): New function.
4338         (Output_segment::maximum_alignment): If there is a relro section,
4339         align the segment to the common page size.
4340         (Output_segment::set_section_addresses): Track whether we are
4341         looking at relro sections.  If the last section is a relro
4342         section, align to the common page size.
4343         (Output_segment::set_section_list_addresses): Add in_relro
4344         parameter.  Change all callers.  Align to the page size when
4345         moving from relro to non-relro section.
4346         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
4347         segment.
4348         * output.h (class Output_section): Add is_relro_ and
4349         is_relro_local_ fields.
4350         (Output_section::is_relro): New function.
4351         (Output_section::set_is_relro): New function.
4352         (Output_section::is_relro_local): New function.
4353         (Output_section::set_is_relro_local): New function.
4354         (class Output_segment): Update declarations.
4355         * i386.cc (Target_i386::got_section): Mark .got section as relro.
4356         * sparc.cc (Target_sparc::got_section): Likewise.
4357         * x86_64.cc (Target_x86_64::got_section): Likewise.
4358         * testsuite/relro_test_main.cc: New file.
4359         * testsuite/relro_test.cc: New file.
4360         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
4361         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
4362         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
4363         (relro_test.so, relro_test_pic.o): New targets.
4364         * testsuite/Makefile.in: Rebuild.
4365
4366 2008-05-16  Ian Lance Taylor  <iant@google.com>
4367
4368         * output.cc (Output_segment::add_output_section): Remove front
4369         parameter.
4370         * output.h (class Output_segment): Remove
4371         add_initial_output_section and overloaded add_output_section.
4372         Update declaration of remaining add_output_section.
4373         * layout.cc (Layout::create_interp): Call add_output_section
4374         rather than add_initial_output_section.
4375         (Layout::finish_dynamic_section): Likewise.
4376
4377         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
4378         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
4379         know the dynamic type.
4380         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
4381         field.  Initialize it in constructor.
4382         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
4383         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
4384         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
4385         reloc.
4386
4387         * output.cc (Output_reloc::get_address): Change return type to
4388         Elf_Addr.
4389         * output.h (class Output_reloc): Update get_address declaration.
4390         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
4391         for section addresses.
4392
4393 2008-05-09  Ian Lance Taylor  <iant@google.com>
4394
4395         PR 6493
4396         * gold.cc (gold_nomem): Use return value of write.
4397
4398 2008-05-08  Ian Lance Taylor  <iant@google.com>
4399
4400         * symtab.c (Symbol::init_base_output_data): Add version
4401         parameter.  Change all callers.
4402         (Symbol::init_base_output_segment): Likewise.
4403         (Symbol::init_base_constant): Likewise.
4404         (Symbol::init_base_undefined): Likewise.
4405         (Sized_symbol::init_output_data): Likewise.
4406         (Sized_symbol::init_output_segment): Likewise.
4407         (Sized_symbol::init_constant): Likewise.
4408         (Sized_symbol::init_undefined): Likewise.
4409         (Symbol_table::do_define_in_output_data): If the new symbol has a
4410         version, mark it as the default.
4411         (Symbol_table::do_define_in_output_segment): Likewise.
4412         (Symbol_table::do_define_as_constant): Likewise.
4413         * symtab.h (class Symbol): Update declarations.
4414         (class Sized_symbol): Likewise.
4415         * resolve.cc (Symbol::override_version): New function.
4416         (Symbol::override_base): Call override_version.
4417         (Symbol::override_base_with_special): Likewise.
4418         * testsuite/ver_script_8.script: New file.
4419         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
4420         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
4421         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
4422         (ver_test_8_1.so, ver_test_8_2.so): New targets.
4423
4424 2008-05-06  Ian Lance Taylor  <iant@google.com>
4425
4426         PR 6049
4427         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
4428         functions.
4429         (class General_options): Remove existing --undefined, and add
4430         --no-undefined instead.  Add new --undefined as synonym for -u.
4431         * archive.cc (Archive::add_symbols): Check whether symbol was
4432         named with -u.
4433         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
4434         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
4435         all uses.  Add IS_UNDEFINED.  Update declarations to split
4436         different versions of init_base.  Declare init_base_undefined.
4437         (Symbol::is_defined): Handle IS_UNDEFINED.
4438         (Symbol::is_undefined): Likewise.
4439         (Symbol::is_weak_undefined): Call is_undefined.
4440         (Symbol::is_absolute): Handle IS_CONSTANT.
4441         (class Sized_symbol): Update declarations to split different
4442         versions of init.  Declare init_undefined.
4443         (class Symbol_table): Declare new functions.
4444         * symtab.cc (Symbol::init_base_object): Rename from init_base.
4445         Change all callers.
4446         (Symbol::init_base_output_data): Likewise.
4447         (Symbol::init_base_output_segment): Likewise.
4448         (Symbol::init_base_constant): Likewise.
4449         (Symbol::init_base_undefined): New function.
4450         (Sized_symbol::init_object): Rename from init.  Change all
4451         callers.
4452         (Sized_symbol::init_output_data): Likewise.
4453         (Sized_symbol::init_output_segment): Likewise.
4454         (Sized_symbol::init_constant): Likewise.
4455         (Sized_symbol::init_undefined): New function.
4456         (Symbol_table::add_undefined_symbols_from_command_line): New
4457         function.
4458         (Symbol_table::do_add_undefined_symbols_from_command_line): New
4459         function.
4460         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
4461         (Symbol::output_section): Likewise.
4462         (Symbol::set_output_section): Likewise.
4463         (Symbol_table::sized_finalize_symbol): Likewise.
4464         (Symbol_table::sized_write_globals): Likewise.
4465         * resolve.cc (Symbol_table::should_override): Likewise.
4466         (Symbol::override_base_with_special): Likewise.
4467
4468         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
4469         symbol, change it to have default visibility.
4470         * testsuite/protected_1.cc: New file.
4471         * testsuite/protected_2.cc: New file.
4472         * testsuite/protected_3.cc: New file.
4473         * testsuite/protected_main_1.cc: New file.
4474         * testsuite/protected_main_2.cc: New file.
4475         * testsuite/protected_main_3.cc: New file.
4476         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
4477         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
4478         (protected_1_LDFLAGS, protected_1_LDADD): Define.
4479         (protected_1.so): New target.
4480         (protected_1_pic.o, protected_2_pic.o): New targets.
4481         (protected_3_pic.o): New target.
4482         (check_PROGRAMS): Add protected_2.
4483         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
4484         (protected_2_LDFLAGS, protected_2_LDADD): Define.
4485         * testsuite/Makefile.in: Rebuild.
4486
4487         * options.h (DEFINE_var): Add set_user_set_##varname__.
4488         (DEFINE_bool_alias): New macro.
4489         (class General_options): Define -Bstatic using DEFINE_bool_alias
4490         rather than DEFINE_special.  Add --undefined as an alias for -z
4491         defs.
4492         * options.cc (General_options::parse_Bstatic): Remove.
4493
4494         * options.h (class General_options): Add --fatal-warnings.
4495         * main.cc (main): Implement --fatal-warnings.
4496         * errors.h (Errors::warning_count): New function.
4497
4498         * options.h (class General_options): Add -Bsymbolic-functions.
4499         * symtab.h (Symbol::is_preemptible): Check for
4500         -Bsymbolic-functions.
4501
4502 2008-05-05  Ian Lance Taylor  <iant@google.com>
4503
4504         * options.h (DEFINE_bool): For DASH_Z, create the negative option
4505         as noVARNAME rather than no-VARNAME.
4506         (class General_options): Add option -z combreloc.
4507         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
4508         get_address.
4509         (Output_reloc::sort_before) [SHT_REL]: New function.
4510         (Output_reloc::sort_before) [SHT_RELA]: New function.
4511         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
4512         Sort_relocs_comparison.
4513         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
4514         parameter.  Change all callers.
4515         (Output_data_reloc::Output_data_reloc) [both versions]: Add
4516         sort_relocs parameter.  Change all callers.
4517         * output.cc (Output_reloc::get_address): New function, broken out
4518         of write_rel.
4519         (Output_reloc::write_rel): Call it.
4520         (Output_reloc::compare): New function.
4521         (Output_data_reloc_base::do_write): Optionally sort relocs.
4522
4523         * configure.ac: If targ_extra_obj is set, link it in.
4524         * configure.tgt: Initialize all variables.
4525         (x86_64*): Set targ_extra_obj and targ_extra_size.
4526         * configure: Rebuild.
4527
4528         * object.cc (Sized_relobj::include_section_group): Adjust section
4529         indexes read from group data.  Build vector to pass to
4530         layout_group.
4531         * layout.cc (Layout::layout_group): Add flags and shndxes
4532         parameters.  Remove contents parameter.  Change caller.  Update
4533         explicit instantiations.
4534         * layout.h (class Layout): Update layout_group declaration.
4535         * output.cc (Output_data_group::Output_data_group): Add flags and
4536         input_shndxes parameters.  Remove contents parameter.  Change
4537         caller.
4538         (Output_data_group::do_write): Change input_sections_ to
4539         input_shndxes_.
4540         * output.h (class Output_data_group): Update constructor
4541         declaration.  Rename input_sections_ to input_shndxes_.
4542         * testsuite/many_sections_test.cc: Add template.
4543
4544 2008-04-30  Cary Coutant  <ccoutant@google.com>
4545
4546         * target-reloc.h (relocate_section): Fix dead-pointer bug.
4547
4548         * layout.cc (Layout::include_section): Refactored check for debug
4549         info section.
4550         (Layout::add_comdat): Add new parameters.  Change type
4551         of signature parameter.  Add object and shndx to signatures table.
4552         (Layout::find_kept_object): New function.
4553         * layout.h: Include <cstring>.
4554         (Layout::is_debug_info_section): New function.
4555         (Layout::add_comdat): Add new parameters.
4556         (Layout::find_kept_object): New function.
4557         (Layout::Kept_section): New struct.
4558         (Layout::Signatures): Change type of map range.
4559         * object.cc (Relobj::output_section_address): New function.
4560         (Sized_relobj::include_section_group): Add new parameters.  Change
4561         calls to Layout::add_comdat.  Change to build table of kept comdat
4562         groups and table mapping discarded sections to kept sections.
4563         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
4564         (Sized_relobj::do_layout): Change calls to include_section_group and
4565         include_linkonce_section.
4566         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
4567         value to zero when section is discarded.
4568         (Sized_relobj::map_to_kept_section): New function.
4569         * object.h (Relobj::output_section_address): New function.
4570         (Relobj::Comdat_group): New type.
4571         (Relobj::find_comdat_group): New function.
4572         (Relobj::Comdat_group_table): New type.
4573         (Relobj::Kept_comdat_section): New type.
4574         (Relobj::Kept_comdat_section_table): New type.
4575         (Relobj::add_comdat_group): New function.
4576         (Relobj::set_kept_comdat_section): New function.
4577         (Relobj::get_kept_comdat_section): New function.
4578         (Relobj::comdat_groups_): New field.
4579         (Relobj::kept_comdat_sections_): New field.
4580         (Symbol_value::input_value): Update comment.
4581         (Sized_relobj::map_to_kept_section) New function.
4582         (Sized_relobj::include_linkonce_section): Add new parameter.
4583         * target-reloc.h (Comdat_behavior): New type.
4584         (get_comdat_behavior): New function.
4585         (relocate_section): Add code to map a discarded section to the
4586         corresponding kept section when applying a relocation.
4587
4588 2008-04-30  Craig Silverstein  <csilvers@google.com>
4589
4590         * dwarf_reader.cc (next_generation_count): New static var.
4591         (Addr2line_cache_entry): New struct.
4592         (addr2line_cache): New static var.
4593         (Dwarf_line_info::one_addr2line): Added caching.
4594         (Dwarf_line_info::clear_addr2line_cache): New function.
4595         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
4596         cache-size parameter.
4597         (Dwarf_line_info::one_addr2line_cache): New function.
4598         * symtab.cc (Symbol_table::detect_odr_violations): Pass
4599         new cache-size argument to one_addr2line(), and clear cache.
4600
4601 2008-04-28  Cary Coutant  <ccoutant@google.com>
4602
4603         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
4604         R_386_PC8 relocations.
4605
4606 2008-04-23  Ian Lance Taylor  <iant@google.com>
4607
4608         * object.cc (Sized_relobj::include_section_group): Check for
4609         invalid section group.
4610
4611         * object.cc (make_elf_object): Correct test for 64-bit ELF file
4612         header size.
4613
4614         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
4615         than read for file header.
4616         * archive.cc (Archive::include_member): Likewise.
4617
4618 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
4619
4620         * aclocal.m4: Regenerate.
4621         * configure: Regenerate.
4622
4623 2008-04-19  Ian Lance Taylor  <iant@google.com>
4624
4625         * version.cc (version_string): Bump to 1.6.
4626
4627         * testsuite/Makefile.am (many_sections_r_test): New target.
4628         (many_sections_r_test_SOURCES): Remove.
4629         (many_sections_r_test_DEPENDENCIES): Remove.
4630         (many_sections_r_test_LDFLAGS): Remove.
4631         (many_sections_r_test_LDADD): Remove.
4632
4633         * object.cc (Sized_relobj::do_add_symbols): Always pass
4634         local_symbol_count_ to add_from_relobj.
4635
4636         * testsuite/Makefile.am (many_sections_check.h): Only check one in
4637         every thousand variables.
4638         * testsuite/Makefile.in: Rebuild.
4639
4640         * object.cc (Xindex::initialize_symtab_xindex): New function.
4641         (Xindex::read_symtab_xindex): New function.
4642         (Xindex::sym_xindex_to_shndx): New function.
4643         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
4644         available.
4645         (Sized_relobj::do_initialize_xindex): New function.
4646         (Sized_relobj::do_read_symbols): Adjust section links.
4647         (Sized_relobj::symbol_section_and_value): Add is_ordinary
4648         parameter.  Change all callers.
4649         (Sized_relobj::include_section_group): Adjust section links and
4650         symbol section indexes.
4651         (Sized_relobj::do_layout): Adjust section links.
4652         (Sized_relobj::do_count_local_symbols): Adjust section links and
4653         symbol section indexes.
4654         (Sized_relobj::do_finalize_local_symbols): Distinguish between
4655         ordinary and special symbols.
4656         (Sized_relobj::write_local_symbols): Add symtab_xindex and
4657         dynsym_xindex parameters.  Change all callers.  Adjust section
4658         links.  Use SHN_XINDEX when needed.
4659         (Sized_relobj::get_symbol_location_info): Adjust section links.
4660         Don't get fooled by special symbols.
4661         * object.h (class Xindex): Define.
4662         (class Object): Add xindex_ parameter.  Declare virtual functoin
4663         do_initialize_xindex.
4664         (Object::adjust_sym_shndx): New function.
4665         (Object::set_xindex): New protected function.
4666         (class Symbol_value): Add is_ordinary_shndx_ field.
4667         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
4668         (Symbol_value::value): Assert ordinary section.
4669         (Symbol_value::initialize_input_to_output_map): Likewise.
4670         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
4671         Change all callers.
4672         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
4673         all callers.
4674         (class Sized_relobj): Update declarations.
4675         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
4676         parameter.  Change all callers.
4677         (Sized_relobj::adjust_shndx): New function.
4678         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
4679         field.
4680         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
4681         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
4682         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
4683         (Sized_dynobj::read_dynsym_section): Adjust section links.
4684         (Sized_dynobj::read_dynamic): Likewise.
4685         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
4686         section links.
4687         (Sized_dynobj::do_initialize_xindex): New function.
4688         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
4689         do_initialize_xindex.
4690         (Sized_dynobj::adjust_shndx): New function.
4691         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
4692         dynsym_xindex_ fields.
4693         (Layout::finalize): Add a call to set_section_indexes before
4694         creating the symtab sections.
4695         (Layout::set_section_indexes): Don't do anything if the section
4696         already has a section index.
4697         (Layout::create_symtab_sections): Add shnum parameter.  Change
4698         caller.  Create .symtab_shndx section if needed.
4699         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
4700         caller.
4701         (Layout::allocated_output_section_count): New function.
4702         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
4703         needed.
4704         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
4705         fields.  Update declarations.
4706         (Layout::symtab_xindex): New function.
4707         (Layout::dynsym_xindex): New function.
4708         (class Write_symbols_task): Add layout_ field.
4709         (Write_symbols_task::Write_symbols_task): Add layout parameter.
4710         Change caller.
4711         * output.cc (Output_section_headers::Output_section_headers): Add
4712         shstrtab_section parameter.  Change all callers.
4713         (Output_section_headers::do_sized_write): Store overflow values
4714         for section count and section string table section index in
4715         section header zero.
4716         (Output_file_header::do_sized_write): Check for overflow of
4717         section count and section string table section index.
4718         (Output_symtab_xindex::do_write): New function.
4719         (Output_symtab_xindex::endian_do_write): New function.
4720         * output.h (class Output_section_headers): Add shstrtab_section_.
4721         Update declarations.
4722         (class Output_symtab_xindex): Define.
4723         (Output_section::has_out_shndx): New function.
4724         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
4725         field.
4726         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
4727         Change all callers.
4728         (Sized_symbol::init): Likewise.
4729         (Symbol::output_section): Check for ordinary symbol.
4730         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
4731         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
4732         callers.
4733         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
4734         Change all callers.  Simplify handling of symbols from sections
4735         not included in the link.
4736         (Symbol_table::add_from_dynobj): Handle ordinary symbol
4737         distinction.
4738         (Weak_alias_sorter::operator()): Assert that symbols are
4739         ordinary.
4740         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
4741         distinction.
4742         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
4743         parameters.  Change all callers.
4744         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
4745         symbol distinction.  Use SHN_XINDEX when needed.
4746         (Symbol_table::write_section_symbol): Add symtab_xindex
4747         parameter.  Change all callers.
4748         (Symbol_table::sized_write_section_symbol): Likewise.  Use
4749         SHN_XINDEX when needed.
4750         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
4751         declarations.
4752         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
4753         (Symbol::is_defined): Check is_ordinary.
4754         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
4755         (Symbol::is_absolute, Symbol::is_common): Likewise.
4756         (class Sized_symbol): Update declarations.
4757         (class Symbol_table): Update declarations.
4758         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
4759         parameters.  Change all callers.
4760         (Sized_symbol::override): Likewise.
4761         (Symbol_table::override): Likewise.
4762         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
4763         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
4764         is_ordinary, and orig_st_shndx parameters.  Change all callers.
4765         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
4766         to be in an ordinary section.
4767         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
4768         object and is_ordinary parameters.  Change all callers.
4769         (Sized_dwarf_line_info::read_relocs): Add object parameter.
4770         Change all callers.  Don't add undefined or non-ordinary symbols
4771         to reloc_map_.
4772         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
4773         Change all callers.
4774         * dwarf_reader.h (class Sized_dwarf_line_info): Update
4775         declarations.
4776         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
4777         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
4778         (Sized_relobj::relocate_sections): Likewise.
4779         * target-reloc.h (scan_relocs): Adjust section symbol index.
4780         (scan_relocatable_relocs): Likewise.
4781         * i386.cc (Scan::local): Check for ordinary symbols.
4782         * sparc.cc (Scan::local): Likewise.
4783         * x86_64.cc (Scan::local): Likewise.
4784         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
4785         to symbol_section_and_value.
4786         * testsuite/many_sections_test.cc: New file.
4787         * testsuite/Makefile.am (BUILT_SOURCES): Define.
4788         (check_PROGRAMS): Add many_sections_test.
4789         (many_sections_test_SOURCES): Define.
4790         (many_sections_test_DEPENDENCIES): Define.
4791         (many_sections_test_LDFLAGS): Define.
4792         (BUILT_SOURCES): Add many_sections_define.h.
4793         (many_sections_define.h): New target.
4794         (BUILT_SOURCES): Add many_sections_check.h.
4795         (many_sections_check.h): New target.
4796         (check_PROGRAMS): Add many_sections_r_test.
4797         (many_sections_r_test_SOURCES): Define.
4798         (many_sections_r_test_DEPENDENCIES): Define.
4799         (many_sections_r_test_LDFLAGS): Define.
4800         (many_sections_r_test_LDADD): Define.
4801         (many_sections_r_test.o): New target.
4802         * testsuite/Makefile.in: Rebuild.
4803
4804 2008-04-17  Cary Coutant  <ccoutant@google.com>
4805
4806         * errors.cc (Errors::info): New function.
4807         (gold_info): New function.
4808         * errors.h (Errors::info): New function.
4809         * gold.h (gold_info): New function.
4810         * object.cc (Input_objects::add_object): Print trace output.
4811         * options.cc (options::parse_set): New function.
4812         (General_options::parse_wrap): Deleted.
4813         (General_options::General_options): Deleted initializer.
4814         * options.h (options::String_set): New typedef.
4815         (options::parse_set): New function.
4816         (DEFINE_set): New macro.
4817         (General_options::wrap): Changed to use DEFINE_set. Changed
4818         callers of any_wrap_symbols and is_wrap_symbol.
4819         (General_options::trace, General_options::trace_symbol):
4820         New options.
4821         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
4822         (General_options::wrap_symbols_): Deleted.
4823         * symtab.cc (Symbol_table::add_from_object): Print trace output.
4824
4825 2008-04-17  David S. Miller  <davem@davemloft.net>
4826
4827         * options.cc (General_options::parse_V): New function.
4828         * options.h: Add entries for -V and -Qy.
4829
4830 2008-04-17  Ian Lance Taylor  <iant@google.com>
4831
4832         * common.cc (Symbol_table::allocate_commons): Remove options
4833         parameter.  Change caller.
4834         (Symbol_table::do_allocate_commons): Remove options parameter.
4835         Change caller.  Just call do_allocate_commons_list twice.
4836         (Symbol_table::do_allocate_commons_list): New function, broken out
4837         of do_allocate_commons.
4838         * common.h (class Allocate_commons_task): Remove options_ field.
4839         Update constructor.
4840         * symtab.cc (Symbol_table::Symbol_table): Initialize
4841         tls_commons_.
4842         (Symbol_table::add_from_object): Put TLS common symbols on
4843         tls_commons_ list.
4844         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
4845         which are IN_OUTPUT_DATA.
4846         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
4847         allocate_commons and do_allocate_commons declarations.  Declare
4848         do_allocate_commons_list.
4849         * gold.cc (queue_middle_tasks): Update creation of
4850         Allocate_commons_task to not pass options.
4851         * testsuite/Makefile.am (INCLUDES): Add -I.. .
4852         (TLS_TEST_C_FLAGS): New variable.
4853         (tls_test_c_pic.o): New target.
4854         (tls_test_shared.so): Link in tls_test_c_pic.o.
4855         (tls_test_c_pic_ie.o): New target.
4856         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
4857         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
4858         (tls_test_c.o): New target.
4859         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
4860         (tls_pic_test_LDADD): Likewise.
4861         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
4862         (tls_shared_gd_to_ie_test_LDADD): Likewise.
4863         (tls_test_c_gnu2.o): New target.
4864         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
4865         tls_test_c_gnu2.o.
4866         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
4867         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
4868         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
4869         * testsuite/tls_test.cc: Include "config.h".
4870         (t_last): Call t11_last.
4871         * testsuite/tls_test.h (t11, t11_last): Declare.
4872         * testsuite/tls_test_c.c: New file.
4873         * testsuite/tls_test_main.cc (thread_routine): Call t11.
4874         * configure.ac: Check for OpenMP support.
4875         * configure, config.in, Makefile.in: Rebuild.
4876         * testsuite/Makefile.in: Rebuild.
4877
4878 2008-04-16  Cary Coutant  <ccoutant@google.com>
4879
4880         * i386.cc (Target_i386::define_tls_base_symbol): New function.
4881         (Target_i386::tls_base_symbol_defined_): New field.
4882         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
4883         (Target_i386::Scan::global): Likewise.
4884         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
4885         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
4886         (Target_x86_64::tls_base_symbol_defined_): New field.
4887         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
4888         (Target_x86_64::Scan::global): Likewise.
4889
4890 2008-04-16  Cary Coutant  <ccoutant@google.com>
4891
4892         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
4893         (Symbol::needs_plt_entry): Allow weak undefined symbols.
4894         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
4895         building shared libraries.
4896         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
4897         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
4898         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
4899         * testsuite/Makefile.in: Rebuild.
4900         * testsuite/weak_undef.h: New file.
4901         * testsuite/weak_undef_file1.cc: Add extra test cases.
4902         * testsuite/weak_undef_file2.cc: Likewise.
4903         * testsuite/weak_undef_test.cc: Likewise.
4904
4905 2008-04-16  David S. Miller  <davem@davemloft.net>
4906
4907         * sparc.cc (Target_sparc::Scan): Change from struct to class.
4908         Add issued_non_pic_error_ field.  Declare check_non_pic.
4909         (Target_sparc::Scan::check_non_pic): New function.
4910         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
4911         (Target_sparc::Scan::global): Likewise.
4912
4913         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
4914         * configure: Rebuild.
4915
4916         * options.h (DEFINE_enable): New macro.
4917         (new_dtags): New enable option.
4918         (initfirst, interpose, loadfltr, nodefaultlib,
4919         nodelete, nodlopen, nodump): New -z options.
4920         * layout.cc (Layout:finish_dynamic_section): If new
4921         dtags enabled, emit DT_RUNPATH.  Also, emit a
4922         DT_FLAGS_1 containing any specified -z flags.
4923
4924 2008-04-16  Ian Lance Taylor  <iant@google.com>
4925
4926         * copy-relocs.cc: New file.
4927         * copy-relocs.h: New file.
4928         * reloc.cc: Remove Copy_relocs code.
4929         * reloc.h: Likewise.
4930         * reloc-types.h (struct Reloc_types) [both versions]: Add
4931         get_reloc_addend_noerror.
4932         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
4933         variants of add_global which take an addend which must be zero.
4934         * i386.cc: Include "copy-relocs.h".
4935         (class Target_i386): Change type of copy_relocs_ to variable,
4936         update initializer.
4937         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
4938         Change all callers.
4939         (Target_i386::do_finalize_sections): Change handling of
4940         copy_relocs_.
4941         * sparc.cc: Include "copy-relocs.h".
4942         (class Target_sparc): Change type of copy_relocs_ to variable,
4943         update initializer.
4944         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
4945         Change all callers.
4946         (Target_sparc::do_finalize_sections): Change handling of
4947         copy_relocs_.
4948         * x86_64.cc: Include "copy-relocs.h".
4949         (class Target_x86_64): Change type of copy_relocs_ to variable,
4950         update initializer.
4951         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
4952         class.  Change all callers.
4953         (Target_x86_64::do_finalize_sections): Change handling of
4954         copy_relocs_.
4955         * Makefile.am (CCFILES): Add copy-relocs.cc.
4956         (HFILES): Add copy-relocs.h.
4957
4958         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
4959
4960         * testsuite/script_test_4.sh: Permit leading zeroes.
4961
4962 2008-04-15  Ian Lance Taylor  <iant@google.com>
4963
4964         * script-sections.cc (Script_sections::create_segments): Use
4965         header_size_adjustment even when there is enough room for the
4966         headers.
4967         * testsuite/script_test_4.sh: New file.
4968         * testsuite/script_test_4.t: New file.
4969         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
4970         (check_DATA): Add script_test_4.stdout.
4971         (MOSTLYCLEANFILES): Likewise.
4972         (script_test_4): New target.
4973         (script_test_4.stdout): New target.
4974         * testsuite/Makefile.in: Rebuild.
4975
4976         * sparc.cc: Add definitions for Output_data_plt_sparc class
4977         constants.
4978
4979 2008-04-14  David S. Miller  <davem@davemloft.net>
4980
4981         * sparc.cc: New file.
4982         * Makefile.am (TARGETSOURCES): Add sparc.cc
4983         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
4984         * configure.tgt: Document targ_extra_size and
4985         targ_extra_big_endian.  Add entries for sparc-* and
4986         sparc64-*.
4987         * configure.ac: Handle targ_extra_size and
4988         targ_extra_big_endian.
4989         * Makefile.in: Rebuild.
4990         * configure: Likewise.
4991         * po/POTFILES.in: Likewise.
4992         * po/gold.pot: Likewise.
4993
4994 2008-04-14  Ian Lance Taylor  <iant@google.com>
4995
4996         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
4997         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
4998         in the name/type/flags to section mapping.  Don't call
4999         allocate_output_section.
5000         (Layout::choose_output_section): Change parameter from adjust_name
5001         to is_input_section.  Don't permit input sections after sections
5002         are attached to segments.  Don't call allocate_output_section.
5003         (Layout::layout_eh_frame): Call update_flags_for_input_section,
5004         not write_enable_output_section.
5005         (Layout::make_output_section): Don't push to
5006         unattached_section_list_ nor call attach_to_segment.  Call
5007         attach_section_to_segment if sections are attached.
5008         (Layout::attach_sections_to_segments): New function.
5009         (Layout::attach_section_to_segment): New function.
5010         (Layout::attach_allocated_section_to_segment): Rename from
5011         attach_to_segment.  Remove flags parameter.
5012         (Layout::allocate_output_section): Remove function.
5013         (Layout::write_enable_output_section): Remove function.
5014         * layout.h (class Layout): Update for above changes.  Add new
5015         field sections_are_attached_.
5016         * output.h (Output_section::update_flags_for_input_section): New
5017         function.
5018         * output.cc (Output_section::add_input_section): Call
5019         update_flags_for_input_section.
5020         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
5021
5022 2008-04-11  Cary Coutant  <ccoutant@google.com>
5023
5024         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
5025         thought unnecessary.
5026         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
5027
5028 2008-04-11  Ian Lance Taylor  <iant@google.com>
5029
5030         * output.h (class Output_section_data): Remove inline definition
5031         of set_addralign.
5032         * output.cc (Output_section_data::set_addralign): New function.
5033
5034 2008-04-11  Cary Coutant  <ccoutant@google.com>
5035
5036         Add support for TLS descriptors for i386 and x86_64.
5037         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
5038         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
5039         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
5040         GOT_TYPE_TLS_DESC.
5041         (Target_i386::got_mod_index_entry): Remove unnecessary code.
5042         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
5043         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
5044         relocations.
5045         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
5046         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
5047         Fix problem with initial-exec relocations.
5048         (Target_i386::Relocate::relocate_tls): Likewise.
5049         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
5050         relaxation.
5051         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
5052         support for section-plus-offset dynamic table entries.
5053         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
5054         (Output_data_dynamic::Dynamic_entry): Add support for
5055         section-plus-offset dynamic table entries.
5056         (Output_data_dynamic::Classification): Likewise.
5057         (Output_data_dynamic::classification_): Renamed offset_.
5058         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
5059         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
5060         (Target_x86_64::make_plt_section): New function.
5061         (Target_x86_64::reserve_tlsdesc_entries): New function.
5062         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
5063         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
5064         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
5065         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
5066         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
5067         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
5068         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
5069         add extra PLT entry for TLS descriptors.
5070         (Output_data_plt_x86_64::got_): New field.
5071         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
5072         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
5073         fields.
5074         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
5075         descriptors.
5076         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
5077         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
5078         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
5079         R_386_TLS_DESC_CALL relocations.
5080         (Target_x86_64::Scan::global): Likewise.
5081         (Target_x86_64::do_finalize_sections): Add dynamic table entries
5082         for TLS descriptors.
5083         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
5084         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
5085         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
5086         GD-to-IE relaxation.
5087         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
5088         and TLS_DESCRIPTORS.
5089         * Makefile.in: Rebuild.
5090         * configure: Rebuild.
5091         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
5092         (tls_test_shared2.so): New target.
5093         (tls_shared_gd_to_ie_test_SOURCES): New variable.
5094         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
5095         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
5096         (tls_shared_gd_to_ie_test_LDADD): New variable.
5097         (tls_shared_gnu2_gd_to_ie_test): New target.
5098         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
5099         New targets.
5100         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
5101         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
5102         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
5103         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
5104         (tls_shared_gnu2_test): New target.
5105         (tls_test_gnu2_shared.so): New target.
5106         (tls_shared_gnu2_test_SOURCES): New variable.
5107         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
5108         (tls_shared_gnu2_test_LDFLAGS): New variable.
5109         (tls_shared_gnu2_test_LDADD): New variable.
5110         * testsuite/Makefile.in: Rebuild.
5111         * testsuite/Makefile.
5112
5113 2008-04-11  Ian Lance Taylor  <iant@google.com>
5114
5115         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
5116         justsyms.t.
5117         * testsuite/Makefile.in: Rebuild.
5118
5119         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
5120         long.
5121         * testsuite/script_test_2.cc (main): Adjust test.
5122
5123 2008-04-11  David S. Miller  <davem@davemloft.net>
5124             Ian Lance Taylor  <iant@google.com>
5125
5126         * options.h (General_options): Add entries for '-Y' and
5127         '-relax'.
5128         * options.cc (General_options:finalize): If -Y was used, add those
5129         entries to the library path instead of the default "/lib" and
5130         "/usr/lib".
5131
5132 2008-04-11  David S. Miller  <davem@davemloft.net>
5133
5134         * testsuite/justsyms.t: Start at 0x100.
5135         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
5136         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
5137         long.
5138         * testsuite/script_test_2.cc: Adjust string and section length
5139         checks.
5140
5141 2008-04-09  Ian Lance Taylor  <iant@google.com>
5142
5143         PR gold/5996
5144         * script-sections.cc (Sections_element::allocate_to_segment): Add
5145         orphan parameter.
5146         (Output_section_definition::allocate_to_segment): Likewise.
5147         (Orphan_output_section::allocate_to_segment): Likewise.
5148         (Script_sections::attach_sections_using_phdrs_clause): Don't
5149         propagate non-PT_LOAD segments to orphan sections.
5150         * testsuite/Makefile.am (script_test_3.stdout): Generate using
5151         readelf rather than objdump.
5152         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
5153         .interp section and PT_INTERP segment are the same size.
5154         * testsuite/Makefile.in: Rebuild.
5155
5156         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
5157         aliases for symbols defined in the same object.
5158         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
5159         (weak_alias_test_SOURCES): New variable.
5160         (weak_alias_test_DEPENDENCIES): New variable.
5161         (weak_alias_test_LDFLAGS): New variable.
5162         (weak_alias_test_LDADD): New variable.
5163         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
5164         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
5165         (weak_alias_test_3.o): New target.
5166         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
5167         * testsuite/weak_alias_test_main.cc: New file.
5168         * testsuite/weak_alias_test_1.cc: New file.
5169         * testsuite/weak_alias_test_2.cc: New file.
5170         * testsuite/weak_alias_test_3.cc: New file.
5171
5172 2008-04-08  Ian Lance Taylor  <iant@google.com>
5173
5174         * options.h (class General_options): Add --noinhibit-exec option.
5175         * main.cc (main): Check --noinhibit-exec.
5176
5177         * options.h (class General_options): Define --wrap as a special
5178         option.  Add wrap_symbols_ field.
5179         (General_options::any_wrap_symbols): New function.
5180         (General_options::is_wrap_symbol): New function.
5181         * options.cc (General_options::parse_wrap): New function.
5182         (General_options::General_options): Initialize wrap_symbols_.
5183         * symtab.cc (Symbol_table::wrap_symbol): New function.
5184         (Symbol_table::add_from_object): Handle --wrap.
5185         * symtab.h (class Symbol_table): Declare wrap_symbol.
5186         * target.h (Target::wrap_char): New function.
5187         (Target::Target_info): Add wrap_char field.
5188         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
5189         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
5190         * testsuite/testfile.cc (Target_test::test_target_info):
5191         Likewise.
5192
5193         * errors.cc (Errors::undefined_symbol): Mention symbol version if
5194         there is one.
5195
5196         * layout.h (class Layout): Add added_eh_frame_data_ field.
5197         * layout.cc (Layout::Layout): Initialize new field.
5198         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
5199         output section until we find a section we merged successfully.
5200         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
5201         that the size be non-zero.
5202
5203         * merge.cc (Object_merge_map::get_output_offset): Remove inline
5204         qualifier.
5205
5206 2008-04-08  Craig Silverstein  <csilvers@google.com>
5207
5208         * configure.ac: Export new conditional variable HAVE_ZLIB.
5209         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
5210         on HAVE_ZLIB.
5211         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
5212         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
5213
5214 2008-04-07  Ian Lance Taylor  <iant@google.com>
5215
5216         * version.cc (version_string): Set to "1.5".
5217
5218         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
5219         Add issued_non_pic_error_ field.  Declare check_non_pic.
5220         (Target_x86_64::Scan::check_non_pic): New function.
5221         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
5222         (Target_x86_64::Scan::global): Likewise.
5223
5224         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
5225         addend parameter.  Change caller.  Handle merge sections.
5226         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
5227         Address to Addend.  Don't add in the result of
5228         local_section_offset, pass down the addend and use the returned
5229         value.
5230         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
5231         Update declarations of local_section_offset and symbol_value.
5232         * testsuite/two_file_test_1.cc (t18): New function.
5233         * testsuite/two_file_test_2.cc (f18): New function.
5234         * testsuite/two_file_test_main.cc (main): Call t18.
5235         * testsuite/two_file_test.h (t18, f18): Declare.
5236
5237         * configure.ac: Don't test for objdump, c++filt, or readelf.
5238         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
5239         conditionals.
5240         (TEST_READELF): New variable.
5241         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
5242         (check_PROGRAMS): Add two_file_strip_test.
5243         (two_file_strip_test): New target.
5244         (check_PROGRAMS): Add two_file_same_shared_strip_test.
5245         (two_file_same_shared_strip_test_SOURCES): New variable.
5246         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
5247         (two_file_same_shared_strip_test_LDFLAGS): New variable.
5248         (two_file_same_shared_strip_test_LDADD): New variable.
5249         (two_file_shared_strip.so): New target.
5250         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
5251         (ver_test_5.syms, ver_test_7.syms): Likewise.
5252         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
5253         (strip_test_3.stdout): Use TEST_OBJDUMP.
5254         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
5255
5256 2008-04-04  Cary Coutant  <ccoutant@google.com>
5257
5258         * symtab.h (Symbol::is_weak_undefined): New function.
5259         (Symbol::is_strong_undefined): New function.
5260         (Symbol::is_absolute): New function.
5261         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
5262         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
5263         absolute symbols.
5264         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
5265         (weak_undef_test): New target.
5266         * testsuite/Makefile.in: Rebuild.
5267         * testsuite/weak_undef_file1.cc: New file.
5268         * testsuite/weak_undef_file2.cc: New file.
5269         * testsuite/weak_undef_test.cc: New file.
5270
5271 2008-04-03  Craig Silverstein  <csilvers@google.com>
5272
5273         * compressed_output.h (class Output_compressed_section): Use
5274         unsigned buffer.
5275         * compressed_output.cc (zlib_compress): Use unsigned buffers,
5276         add zlib header.
5277         (zlib_compressed_suffix): Removed.
5278         (Output_compressed_section::set_final_data_size): Use unsigned
5279         buffers.
5280         * testsuite/Makefile.am (flagstest_compress_debug_sections):
5281         Fix linker invocation.
5282         (flagstest_o_specialfile_and_compress_debug_sections):
5283         Likewise.
5284         * testsuite/Makefile.in: Regenerated.
5285
5286 2008-04-02  David S. Miller  <davem@davemloft.net>
5287
5288         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
5289         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
5290
5291 2008-04-02  Craig Silverstein  <csilvers@google.com>
5292
5293         * TODO: New file.
5294
5295 2008-04-02  Ian Lance Taylor  <iant@google.com>
5296
5297         * fileread.cc (File_read::find_view): Add byteshift and vshifted
5298         parameters.  Update for new key type to views_.  Change all
5299         callers.
5300         (File_read::read): Adjust for byteshift in returned view.
5301         (File_read::add_view): New function, broken out of
5302         find_and_make_view.
5303         (File_read::make_view): New function, broken out of
5304         find_and_make_view.
5305         (File_read::find_or_make_view): Add offset and aligned
5306         parameters.  Rewrite accordingly.  Change all callers.
5307         (File_read::get_view): Add offset and aligned parameters.  Adjust
5308         for byteshift in return value.
5309         (File_read::get_lasting_view): Likewise.
5310         * fileread.h (class File_read): Update declarations.
5311         (class File_read::View): Add byteshift_ field.  Add byteshift to
5312         constructor.  Add byteshift method.
5313         * archive.h (Archive::clear_uncached_views): New function.
5314         (Archive::get_view): Add aligned parameter.  Change all callers.
5315         * object.h (Object::get_view): Add aligned parameter.  Change all
5316         callers.
5317         (Object::get_lasting_view): Likewise.
5318
5319         * fileread.cc (File_read::release): Don't call clear_views if
5320         there are multiple objects.
5321         * fileread.h (File_read::clear_uncached_views): New function.
5322         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
5323         on the archive.
5324
5325 2008-03-31  Cary Coutant  <ccoutant@google.com>
5326
5327         Add thin archive support.
5328         * archive.cc (Archive::armagt): New const.
5329         (Archive::setup): Remove task parameter and calls to unlock.
5330         (Archive::unlock_nested_archives): New function.
5331         (Archive::read_header): Add nested_off parameter. Change
5332         all callers.
5333         (Archive::interpret_header): Likewise.
5334         (Archive::include_all_members): Change to handle thin
5335         archives.
5336         (Archive::include_member): Likewise.
5337         * archive.h (Archive::Archive): Add new parameters and
5338         initializers.
5339         (Archive::armagt): New const.
5340         (Archive::setup): Remove task parameter.
5341         (Archive::unlock_nested_archives): New function.
5342         (Archive::read_header): Add nested_off parameter.
5343         (Archive::interpret_header): Likewise.
5344         (Archive::Nested_archive_table): New typedef.
5345         (Archive::is_thin_archive_): New field.
5346         (Archive::nested_archives_): New field.
5347         (Archive::options_): New field.
5348         (Archive::dirpath_): New field.
5349         (Archive::task_): New field.
5350         * readsyms.cc (Read_symbols::do_read_symbols): Add check
5351         for thin archives.  Pass additional parameters to
5352         Archive::Archive.  Unlock the archive file after calling
5353         Archive::setup.
5354
5355 2008-03-29  Ian Lance Taylor  <iant@google.com>
5356
5357         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
5358         version symbol to be local.
5359         * testsuite/ver_test_4.sh: New file.
5360         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
5361         (check_DATA): Add ver_test_4.syms.
5362         (ver_test_4.syms): New target.
5363         * testsuite/Makefile.in: Rebuild.
5364
5365         * output.cc
5366         (Output_section::Input_section_sort_entry::has_priority): New
5367         function.
5368         (Output_section::Input_section_sort_entry::match_file_name): New
5369         function.
5370         (Output_section::Input_section_sort_entry::match_section_name):
5371         Remove.
5372         (Output_section::Input_section_sort_entry::match_section_name_prefix):
5373         Remove.
5374         (Output_section::Input_section_sort_entry::match_section_file):
5375         Remove.
5376         (Output_section::Input_section_sort_compare::operator()): Rewrite
5377         using new Input_section_sort_entry functions.  Sort crtbegin and
5378         crtend first.  Sort sections with no priority before sections with
5379         a priority.
5380         * testsuite/initpri1.c (d3): Check j != 4.
5381         (cd5): New constructor/destructor function.
5382         (main): Check j != 2.
5383
5384         * symtab.cc (Symbol_table::add_from_object): If we don't use the
5385         new symbol when resolving, don't call set_is_default.
5386         * testsuite/ver_test_7.cc: New file.
5387         * testsuite/ver_test_7.sh: New file.
5388         * testsuite/Makefile.am (ver_test_7.so): New target.
5389         (ver_test_7.o): New target.
5390         (check_SCRIPTS): Add ver_test_7.sh.
5391         (check_DATA): Add ver_test_7.syms.
5392         (ver_test_7.syms): New target.
5393
5394 2008-03-28  Ian Lance Taylor  <iant@google.com>
5395
5396         * layout.cc (Layout::layout): If we see an input section with a
5397         name that needs sorting, set the must_sort flag for the output
5398         section.
5399         (Layout::make_output_section): If the name of the output section
5400         indicates that it might require sorting, set the may_sort flag.
5401         * output.h (Output_section::may_sort_attached_input_sections): New
5402         function.
5403         (Output_section::set_may_sort_attached_input_sections): New
5404         function.
5405         (Output_section::must_sort_attached_input_sections): New
5406         function.
5407         (Output_section::set_must_sort_attached_input_sections): New
5408         function.
5409         (class Output_section): Declare Input_section_sort_entry.  Define
5410         Input_section_sort_compare.  Declare
5411         sort_attached_input_sections.  Add new fields:
5412         may_sort_attached_input_sections_,
5413         must_sort_attached_input_sections_,
5414         attached_input_sections_are_sorted_.
5415         * output.cc (Output_section::Output_section): Initialize new
5416         fields.
5417         (Output_section::add_input_section): Add an entry to
5418         input_sections_ if may_sort or must_sort are true.
5419         (Output_section::set_final_data_size): Call
5420         sort_attached_input_sections if necessary.
5421         (Output_section::Input_section_sort_entry): Define new class.
5422         (Output_section::Input_section_sort_compare::operator()): New
5423         function.
5424         (Output_section::sort_attached_input_sections): New function.
5425         * configure.ac: Check whether the compiler supports constructor
5426         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
5427         * testsuite/initpri1.c: New file.
5428         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
5429         CONSTRUCTOR_PRIORITY.
5430         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
5431         (initpri1_LDFLAGS): New variable.
5432         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
5433
5434 2008-03-27  Ian Lance Taylor  <iant@google.com>
5435
5436         * common.cc (Sort_commons::operator): Correct sorting algorithm.
5437         * testsuite/common_test_1.c: New file.
5438         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
5439         (common_test_1_SOURCES): New variable.
5440         (common_test_1_DEPENDENCIES): New variable.
5441         (common_test_1_LDFLAGS): New variable.
5442
5443         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
5444         and commons_ correctly when NAME/VERSION does not override
5445         NAME/NULL.
5446         * testsuite/ver_test_6.c: New file.
5447         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
5448         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
5449         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
5450
5451 2008-03-26  Ian Lance Taylor  <iant@google.com>
5452
5453         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
5454         of an undefined symbol from a version script.
5455         * testsuite/Makefile.am (ver_test_5.so): New target.
5456         (ver_test_5.o): New target.
5457         (check_SCRIPTS): Add ver_test_5.sh.
5458         (check_DATA): Add ver_test_5.syms.
5459         (ver_test_5.syms): New target.
5460         * testsuite/ver_test_5.cc: New file.
5461         * testsuite/ver_test_5.script: New file.
5462         * testsuite/ver_test_5.sh: New file.
5463         * Makefile.in, testsuite/Makefile.in: Rebuild.
5464
5465         PR gold/5986
5466         Fix problems building gold with gcc 4.3.0.
5467         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
5468         (gold_error_at_location, gold_warning_at_location): Use it.
5469         * configure.ac: Check whether we can compile and use a template
5470         function with a printf attribute.
5471         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
5472         when jumping over bytes.
5473         * object.cc: Instantiate Object::read_section_data.
5474         * debug.h: Include <cstring>
5475         * dwarf_reader.cc: Include <algorithm>
5476         * main.cc: Include <cstring>.
5477         * options.cc: Include <cstring>.
5478         * output.cc: Include <cstring>.
5479         * script.cc: Include <cstring>.
5480         * script.h: Include <string>.
5481         * symtab.cc: Include <cstring> and <algorithm>.
5482         * target-select.cc: Include <cstring>.
5483         * version.cc: Include <string>.
5484         * testsuite/testmain.cc: Include <cstdlib>.
5485         * configure, config.in: Rebuild.
5486
5487 2008-03-25  Ian Lance Taylor  <iant@google.com>
5488
5489         * options.cc: Include "../bfd/bfdver.h".
5490         (options::help): Print bug reporting address.
5491
5492         * version.cc (print_version): Adjust output for current value of
5493         BFD_VERSION_STRING.
5494
5495         * NEWS: New file.
5496
5497         * options.cc (options::help): Print list of supported targets.
5498         * target-select.h: Include <vector>.
5499         (class Target_selector): Make machine_, size_, and is_big_endian_
5500         fields const.  Add bfd_name_ and instantiated_target_ fields.
5501         (Target_selector::Target_selector): Add bfd_name parameter.
5502         (Target_selector::recognize): Make non-virtual, call
5503         do_recognize.
5504         (Target_selector::recognize_by_name): Make non-virtual, call
5505         do_recognize_by_name.
5506         (Target_selector::supported_names): New function.
5507         (Target_selector::bfd_name): New function.
5508         (Target_selector::do_instantiate_target): New pure virtual
5509         function.
5510         (Target_selector::do_recognize): New virtual function.
5511         (Target_selector::do_recognize_by_name): New virtual function.
5512         (Target_selector::instantiate_target): New private function.
5513         (supported_target_names): Declare.
5514         * target-select.cc (Target_selector::Target_selector): Update for
5515         new parameter and fields.
5516         (select_target_by_name): Check that the name matches before
5517         calling recognize_by_name.
5518         (supported_target_names): New function.
5519         * i386.cc (class Target_selector_i386): Update Target_selector
5520         constructor call.  Remove recognize and recognize_by_name.  Add
5521         do_instantiate_target.
5522         * x86_64.cc (class Target_selector_x86_64): Likewise.
5523         * testsuite/testfile.cc (class Target_selector_test): Update for
5524         changes to Target_selector.
5525
5526         * README: Rewrite, with some notes on unsupported features.
5527
5528 2008-03-24  Cary Coutant  <ccoutant@google.com>
5529
5530         * i386.cc (Target_i386::Got_type): New enum declaration.
5531         (Target_i386::Scan::local): Updated callers of Output_data_got
5532         member functions.
5533         (Target_i386::Scan::global): Likewise.
5534         (Target_i386::Relocate::relocate): Likewise.
5535         (Target_i386::Relocate::relocate_tls): Likewise.
5536         * object.h (Got_offset_list): New class.
5537         (Sized_relobj::local_has_got_offset): Added got_type parameter.
5538         (Sized_relobj::local_got_offset): Likewise.
5539         (Sized_relobj::set_local_got_offset): Likewise.
5540         (Sized_relobj::local_has_tls_got_offset): Removed.
5541         (Sized_relobj::local_tls_got_offset): Removed.
5542         (Sized_relobj::set_local_tls_got_offset): Removed.
5543         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
5544         * output.cc (Output_data_got::add_global): Added got_type parameter.
5545         (Output_data_got::add_global_with_rel): Likewise.
5546         (Output_data_got::add_global_with_rela): Likewise.
5547         (Output_data_got::add_global_pair_with_rel): New function.
5548         (Output_data_got::add_global_pair_with_rela): New function.
5549         (Output_data_got::add_local): Added got_type parameter.
5550         (Output_data_got::add_local_with_rel): Likewise.
5551         (Output_data_got::add_local_with_rela): Likewise.
5552         (Output_data_got::add_local_pair_with_rel): New function.
5553         (Output_data_got::add_local_pair_with_rela): New function.
5554         (Output_data_got::add_global_tls): Removed.
5555         (Output_data_got::add_global_tls_with_rel): Removed.
5556         (Output_data_got::add_global_tls_with_rela): Removed.
5557         (Output_data_got::add_local_tls): Removed.
5558         (Output_data_got::add_local_tls_with_rel): Removed.
5559         (Output_data_got::add_local_tls_with_rela): Removed.
5560         * output.h (Output_data_got::add_global): Added got_type parameter.
5561         (Output_data_got::add_global_with_rel): Likewise.
5562         (Output_data_got::add_global_with_rela): Likewise.
5563         (Output_data_got::add_global_pair_with_rel): New function.
5564         (Output_data_got::add_global_pair_with_rela): New function.
5565         (Output_data_got::add_local): Added got_type parameter.
5566         (Output_data_got::add_local_with_rel): Likewise.
5567         (Output_data_got::add_local_with_rela): Likewise.
5568         (Output_data_got::add_local_pair_with_rel): New function.
5569         (Output_data_got::add_local_pair_with_rela): New function.
5570         (Output_data_got::add_global_tls): Removed.
5571         (Output_data_got::add_global_tls_with_rel): Removed.
5572         (Output_data_got::add_global_tls_with_rela): Removed.
5573         (Output_data_got::add_local_tls): Removed.
5574         (Output_data_got::add_local_tls_with_rel): Removed.
5575         (Output_data_got::add_local_tls_with_rela): Removed.
5576         * resolve.cc (Symbol::override_base_with_special): Removed
5577         reference to has_got_offset_ field.
5578         * symtab.cc (Symbol::init_fields): Replaced initialization
5579         of got_offset_ with got_offsets_.  Removed initialization
5580         of has_got_offset_
5581         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
5582         (Symbol::got_offset): Likewise.
5583         (Symbol::set_got_offset): Likewise.
5584         (Symbol::has_tls_got_offset): Removed.
5585         (Symbol::tls_got_offset): Removed.
5586         (Symbol::set_tls_got_offset): Removed.
5587         (Symbol::got_offset_): Removed.
5588         (Symbol::tls_mod_got_offset_): Removed.
5589         (Symbol::tls_pair_got_offset_): Removed.
5590         (Symbol::got_offsets_): New field.
5591         (Symbol::has_got_offset): Removed.
5592         (Symbol::has_tls_mod_got_offset): Removed.
5593         (Symbol::has_tls_pair_got_offset): Removed.
5594         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
5595         (Target_x86_64::Scan::local): Updated callers of Output_data_got
5596         member functions.
5597         (Target_x86_64::Scan::global): Likewise.
5598         (Target_x86_64::Relocate::relocate): Likewise.
5599         (Target_x86_64::Relocate::relocate_tls): Likewise.
5600
5601 2008-03-25  Ben Elliston  <bje@au.ibm.com>
5602
5603         * yyscript.y: Fix spelling error in comment.
5604
5605 2008-03-24  Ian Lance Taylor  <iant@google.com>
5606
5607         * options.h (class General_options): Define build_id option.
5608         * layout.h (class Layout): Declare write_build_id, create_note,
5609         create_build_id.  Add build_id_note_ member.
5610         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
5611         "libiberty.h", "md5.h", "sha1.h".
5612         (Layout::Layout): Initialize eh_frame_data_,
5613         eh_frame_hdr_section_, and build_id_note_.
5614         (Layout::finalize): Call create_build_id.
5615         (Layout::create_note): New function, broken out of
5616         Layout::create_gold_note.
5617         (Layout::create_gold_note): Call create_note.
5618         (Layout::create_build_id): New function.
5619         (Layout::write_build_id): New function.
5620         (Close_task_runner::run): Call write_build_id.
5621
5622         * x86_64.cc: Correct license to GPLv3.
5623
5624 2008-03-23  Ian Lance Taylor  <iant@google.com>
5625
5626         * options.cc: Include "demangle.h".
5627         (parse_optional_string): New function.
5628         (parse_long_option): Handle takes_optional_argument.
5629         (parse_short_option): Update dash_z initializer.  Handle
5630         takes_optional_argument.
5631         (General_options::General_options): Initialize do_demangle_.
5632         (General_options::finalize): Set do_demangle_.  Handle demangling
5633         style.
5634         * options.h (parse_optional_string): Declare.
5635         (struct One_option): Add optional_arg field.  Update constructor.
5636         Update call constructor calls.  Add takes_optional_argument
5637         function.
5638         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
5639         (DEFINE_optional_string): Define.
5640         (General_options::demangle): Change from DEFINE_bool to
5641         DEFINE_optional_string.
5642         (General_options::no_demangle): New function.
5643         (General_options::do_demangle): New function.
5644         (General_options::set_do_demangle): New function.
5645         (General_options::execstack_status_): Move definition to end of
5646         class definition.
5647         (General_options::static_): Likewise.
5648         (General_options::do_demangle_): New field.
5649         * object.cc (big_endian>::get_symbol_location_info): Call
5650         Options::do_demangle, not Options::demangle.
5651         * symtab.cc (demangle): Likewise.
5652
5653 2008-03-22  Ian Lance Taylor  <iant@google.com>
5654
5655         * gold.h: Include <cstddef> and <sys/types.h>
5656         * options.h: Include <cstring>.
5657
5658 2008-03-21  Ian Lance Taylor  <iant@google.com>
5659
5660         * Added source code to GNU binutils.