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