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