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