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