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