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