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