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