* layout.cc (Layout::create_shstrtab): Only write out after input
[external/binutils.git] / gold / ChangeLog
1 2009-12-15  Ian Lance Taylor  <iant@google.com>
2
3         * layout.cc (Layout::create_shstrtab): Only write out after input
4         sections if we are compressing debug sections.
5
6 2009-12-15  Ian Lance Taylor  <iant@google.com>
7
8         * archive.cc (Archive::add_symbols): Only look up a symbol without
9         a version if there is, in fact, a version.
10
11 2009-12-14  Ian Lance Taylor  <iant@google.com>
12
13         Revert -Wshadow changes, all changes from:
14         2009-12-11  Doug Kwan  <dougkwan@google.com>
15         2009-12-11  Nick Clifton  <nickc@redhat.com>
16         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
17
18 2009-12-11  Doug Kwan  <dougkwan@google.com>
19
20         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
21         due to -Wshadow.
22         * attributes.cc (Object_attribute::size): Ditto.
23         (Attributes_section_data::size): Ditto.
24         (Attributes_section_data::Attributes_section_data): Ditto.
25         (Output_attributes_section_data::do_write): Ditto.
26         * attributes.h (Object_attribute::set_type): Ditto.
27         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
28
29 2009-12-11  Nick Clifton  <nickc@redhat.com>
30
31         * archive.cc: Fix shadowed variable warnings.
32         * arm.cc: Likewise.
33         * compressed_output.cc: Likewise.
34         * compressed_output.h: Likewise.
35         * configure: Likewise.
36         * dwarf_reader.cc: Likewise.
37         * dynobj.cc: Likewise.
38         * dynobj.h: Likewise.
39         * ehframe.cc: Likewise.
40         * ehframe.h: Likewise.
41         * errors.cc: Likewise.
42         * expression.cc: Likewise.
43         * fileread.cc: Likewise.
44         * fileread.h: Likewise.
45         * freebsd.h: Likewise.
46         * i386.cc: Likewise.
47         * icf.cc: Likewise.
48         * incremental.h: Likewise.
49         * layout.cc: Likewise.
50         * layout.h: Likewise.
51         * mapfile.cc: Likewise.
52         * merge.cc: Likewise.
53         * merge.h: Likewise.
54         * object.cc: Likewise.
55         * object.h: Likewise.
56         * options.h: Likewise.
57         * output.cc: Likewise.
58         * output.h: Likewise.
59         * parameters.cc: Likewise.
60         * plugin.cc: Likewise.
61         * powerpc.cc: Likewise.
62         * reduced_debug_output.cc: Likewise.
63         * reduced_debug_output.h: Likewise.
64         * reloc.cc: Likewise.
65         * reloc.h: Likewise.
66         * resolve.cc: Likewise.
67         * script-sections.cc: Likewise.
68         * script.cc: Likewise.
69         * script.h: Likewise.
70         * sparc.cc: Likewise.
71         * symtab.cc: Likewise.
72         * symtab.h: Likewise.
73         * target-select.cc: Likewise.
74         * target-select.h: Likewise.
75         * token.h: Likewise.
76         * workqueue.cc: Likewise.
77         * workqueue.h: Likewise.
78         * x86_64.cc: Likewise.
79
80 2009-12-10  Doug Kwan  <dougkwan@google.com>
81
82         * arm.cc (attributes.h): New include.
83         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
84         (Arm_relobj::~Arm_relobj): Delete object pointed by
85         attributes_section_data_.
86         (Arm_relobj::attributes_section_data): New method definition.
87         (Arm_relobj::attributes_section_data_): New data member declaration.
88         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
89         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
90         attributes_section_data_.
91         (Arm_dynobj::attributes_section_data): New method definition.
92         (Arm_dynobj::attributes_section_data_): New data member declaration.
93         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
94         initialization value of may_use_blx_ to false.
95         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
96         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
97         object attributes to compute results instead of hard-coding.
98         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
99         Target_arm::get_secondary_compatible_arch,
100         Target_arm::set_secondary_compatible_arch
101         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
102         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
103         New method declarations.
104         (Target_arm::get_aeabi_object_attribute): New method definition.
105         (Target_arm::attributes_section_data_): New data member declaration.
106         (read_arm_attributes_section): New template definition.
107         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
108         (Arm_dynobj::do_read_symbols): Ditto.
109         (Target_arm::do_finalize_sections): Merge attributes sections from
110         input.  Check for BLX use after attributes section merging.
111         Fix __exidx_start and __exidx_end visibility.  Create an
112         .ARM.attributes section if necessary.
113         (Target_arm::get_secondary_compatible_arch,
114         Target_arm::set_secondary_compatible_arch,
115         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
116         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
117         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order): 
118         New method definitions.
119
120 2009-12-09  Ian Lance Taylor  <iant@google.com>
121
122         * plugin.cc (Plugin::load): Don't cast from void* to a function
123         pointer.
124
125 2009-12-09  Ian Lance Taylor  <iant@google.com>
126
127         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
128         information fields.
129
130 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
131
132         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
133         Replace two_file_shared_1.so with two_file_shared_2.so.
134         * testsuite/Makefile.in: Regenerated.
135
136 2009-12-08  Doug Kwan  <dougkwan@google.com>
137
138         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
139         (HFILES): Add attributes.h and int_encoding.h.
140         * Makefile.in: Regenerate.
141         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
142         function definitions to int_encoding.cc
143         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
144         prototypes to int_encoding.h
145         * reduced_debug_output.cc (int_encoding.h): New include.
146         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
147         function definitions to int_encoding.cc
148         (insert_into_vector, read_from_pointer): Move template definitions to
149         int_encoding.h
150         * attributes.cc: New file.
151         * attributes.h: New file.
152         * int_encoding.cc: New file.
153         * int_encoding.h: New file.
154
155 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
156
157         PR gold/11055
158         * incremental-dump.cc (dump_incremental_inputs): New.
159         (main): Use dump_incremental_inputs.
160
161 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
162
163         PR gold/10893
164         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
165         checking elfcpp::STT_FUNC.
166         (Target_i386::Relocate::relocate): Likewise.
167         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
168
169         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
170         symbols from shared libraries into normal FUNC symbols.
171
172         * symtab.h (Symbol): Add is_func and use it.
173
174 2009-12-05  Doug Kwan  <dougkwan@google.com>
175
176         * arm.cc (Target_arm::arm_info): Initialize new fields
177         attributes_section and attributes_vendor.
178         * i386.cc (Target_i386::i386_info): Same.
179         * object.cc (Sized_relobj::do_layout): Skip attribute section.
180         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
181         fields attributes_section and attributes_vendor.
182         * sparc.cc (Target_sparc::sparc_info): Same.
183         * target.h (Target::attributes_section, Target::attributes_vendor,
184         Target::is_attributes_section, Target::attribute_arg_type,
185         Target::attributes_order): New method definitions.
186         (Target::Target_info::attributes_section,
187         Target::Target_info::attributes_vendor): New fields.
188         (Target::do_attribute_arg_type, Target::do_attributes_order): New
189         virtual method definitions.
190         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
191         attributes_section and attributes_vendor.
192         * testsuite/testfile.cc (Target_test::test_target_info): Same.
193
194 2009-12-05  Doug Kwan  <dougkwan@google.com>
195
196         * arm.cc: Update comments about interworking and stub generation.
197         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
198         considered as non-PIC.
199         (Arm_relocate_functions::base_abs): Fix formatting.
200         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
201         of function to use GOT entry address instead of offset.
202         (Target_arm::Scan::global): Issue an error if a symbol would need a
203         PLT does not get one because it is untyped.  Remove code to create
204         dynamic symbols for relative branches.
205         (Target_arm::Relocate::relocate: Use 0 instead of false since function
206         takes unsigned integer instead of boolean.
207
208 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
209
210         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
211         (two_file_test_LDADD): Likewise.
212         (common_test_1_LDADD): Likewise.
213         (exception_test_LDADD) Likewise.
214         (weak_test_LDADD): Likewise.
215         (many_sections_test_LDADD): Likewise.
216         (initpri1_LDADD): Likewise.
217         (script_test_1_LDADD): Likewise.
218         (script_test_2_LDADD): Likewise.
219         (justsyms_LDADD): Likewise.
220         (binary_test_LDADD): Likewise.
221         (large_LDADD): Likewise.
222         * testsuite/Makefile.in: Regenerated.
223
224 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
225
226         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
227         (Symbol_table::override_with_special): Likewise.
228         (Symbol_table::add_from_object): Likewise.
229
230 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
231
232         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
233         Don't set the data_offset twice.
234
235 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
236
237         * testsuite/Makefile.in: Regenerate.
238
239 2009-12-03  Doug Kwan  <dougkwan@google.com>
240
241         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
242         (Target_arm::do_finalize_sections): Add parameter for symbol table
243         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
244         * i386.cc (Target_i386::do_finalize_sections): Add an additional
245         parameter for symbol table pointer.
246         * layout.cc (Layout::finalize): Call Target::finalize_sections with
247         an additional parameter for a pointer to symbol table.
248         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
249         parameter for a symbol table pointer.
250         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
251         * target.h (Target::finalize_sections, Target::do_finalize_sections):
252         Ditto.
253         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
254         parameter for a symbol table pointer.
255
256 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
257
258         * incremental.cc (Incremental_inputs_header)
259         (Incremental_inputs_header_write, Incremental_inputs_entry)
260         (Incremental_inputs_entry_write): Move ...
261         * incremental.h (Incremental_inputs_header)
262         (Incremental_inputs_header_write, Incremental_inputs_entry)
263         (Incremental_inputs_entry_write): here.
264
265 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
266
267         * incremental.cc (make_sized_incremental_binary): Set the target.
268         Error if it is incompatible.
269         * output.h (Output_file): Add filename method.
270
271 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
272
273         * incremental.cc (Incremental_inputs_entry): Remove unused argument
274         from the get_* methods.
275
276 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
277
278         * incremental-dump.cc (main): Check that the offeset of a script is 0.
279         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
280         Write 0 for the data_offset of scripts.
281
282 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
283
284         * testsuite/Makefile.am: Add the incremental_test.sh test.
285         * testsuite/incremental_test.sh: New.
286         * testsuite/incremental_test_1.c: New.
287         * testsuite/incremental_test_2.c: New.
288
289 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
290
291        * incremental-dump.cc (main): Fix typos.
292
293 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
294
295         PR gold/11025
296         * incremental-dump.cc (main): Use llu to print 64 bit values.
297
298 2009-11-26  Per Ã˜yvind Karlsen <peroyvind@mandriva.org>
299             H.J. Lu  <hongjiu.lu@intel.com>
300
301         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
302         $(LIBDL).
303         (incremental_dump_LDADD): Likewise.
304         * Makefile.in: Regenerated.
305
306 2009-11-25  Doug Kwan  <dougkwan@google.com>
307         
308         Revert:
309
310         2009-11-25  Doug Kwan  <dougkwan@google.com>
311
312                 * arm.cc (Target_arm::Target_arm): Move method definition
313                 outside of class definition.  Add code to handle
314                 --target1-rel, --target1-abs and --target2= options.
315                 (Target_arm::get_reloc_reloc_type): Change method to be
316                 non-static and const.
317                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
318                 New data member declaration.
319                 (Target_arm::Scan::local, Target_arm::Scan::global,
320                 Target_arm::Relocate::relocate,
321                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
322                 Adjust call to Target_arm::get_real_reloc_type.
323                 (Target_arm::get_real_reloc_type): Use command line options
324                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
325                 * options.h (--target1-rel, --target1-abs, --target2): New
326                 ARM-only options.
327
328 2009-11-25  Doug Kwan  <dougkwan@google.com>
329
330         * arm.cc (Target_arm::Target_arm): Move method definition outside of
331         class definition.  Add code to handle --target1-rel, --target1-abs
332         and --target2= options.
333         (Target_arm::get_reloc_reloc_type): Change method to be non-static
334         and const.
335         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
336         member declaration.
337         (Target_arm::Scan::local, Target_arm::Scan::global,
338         Target_arm::Relocate::relocate,
339         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
340         call to Target_arm::get_real_reloc_type.
341         (Target_arm::get_real_reloc_type): Use command line options to
342         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
343         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
344         options.
345
346 2009-11-25  Doug Kwan  <dougkwan@google.com>
347
348         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
349         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
350         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
351         formatting.
352         (Arm_relocate_functions::thm_call): Replace body with a call to
353         Arm_relocate_functions::thumb_branch_common.
354         (Arm_relocate_functions::thm_jump24,
355         Arm_relocate_functions::thm_xpc22): New method definitions.
356         (Arm_relocate_functions::thumb_branch_common): New method definition.
357         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
358         operator.
359         (Target_arm::Relocate::relocate): Adjust call to thm_call.
360         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
361
362 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
363
364         * Makefile.am: Build incremental-dump
365         * Makefile.in: Regenerate.
366         * incremental-dump.cc: New.
367         * incremental.cc (Incremental_inputs_header_data,
368         Incremental_inputs_entry_data): Move to incremental.h
369         * incremental.h: (Incremental_inputs_header_data,
370         Incremental_inputs_entry_data): Move from incremental.cc
371
372 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
373
374         * incremental.cc (Incremental_inputs_header,
375         Incremental_inputs_header_write, Incremental_inputs_entry,
376         Incremental_inputs_entry_write): Add a typedef with the data type.
377
378 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
379
380         * incremental.cc (Incremental_inputs_header,
381         Incremental_inputs_header_write, Incremental_inputs_entry,
382         Incremental_inputs_entry_write): Update comment about which
383         type has the filed descriptions.
384
385 2009-11-15  Doug Kwan  <dougkwan@google.com>
386
387         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
388         (Arm_relocate_functions::arm_branch_common): Change method defintion
389         in class definition to a method declaration and update list of formal
390         parameters.
391         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
392         Arm_relocation_functions::jump24): Adjust call to
393         Arm_relocate_functions::arm_branch_common.  Update list of formal
394         parameters.
395         (Arm_relocate_functions::xpc25): New method definition.
396         (Arm_relocate_functions::arm_branch_common): Move method defintion
397         out from class definition.  Use stubs for mode-switching and extending
398         branch ranges.
399         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
400         specially.  Change code to enable use of stubs in ARM branches.
401
402 2009-11-10  Doug Kwan  <dougkwan@google.com>
403
404         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
405         in method declaration.
406         (Target_arm::relocate_stub): New method declaration.
407         (Target_arm::default_target): Change to return a pointer instead of
408         a const reference.
409         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
410         Target_arm::default_target.
411         (Arm_Relobj::do_relocate_sections): Remove options paramater in
412         method definition.
413         (Target_arm::relocate_section): Adjust view.
414         (Target_arm::relocate_stub): New method definition.
415
416 2009-11-10  Doug Kwan  <dougkwan@google.com>
417
418         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
419         a format warning.
420         * incremental.cc (open_incremental_binary): Initialized local
421         variables to avoid warnings.
422         * object.cc (make_elf_object): Ditto.
423         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
424         a format warning.
425  
426 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
427
428         PR gold/10930
429         * testsuite/plugin_test.c: Include "config.h".
430
431 2009-11-09  Doug Kwan  <dougkwan@google.com>
432
433         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
434         (arm_symbol_value): Remove.
435         (Arm_relocate_functions::arm_branch_common,
436         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
437         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
438         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
439         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
440         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
441         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
442         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
443         Arm_relocate_functions::thm_mobw_abs_nc,
444         Arm_relocate_functions::thm_mov_abs,
445         Arm_relocate_functions::movw_prel_nc,
446         Arm_relocate_functions::thm_movt_abs,
447         Arm_relocate_functions::movt_prel,
448         Arm_relocate_functions::thm_movw_prel_nc,
449         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
450         (Target_arm::Relocate::relocate): Only decompose address into two
451         parts if relocation type uses the thumb-bit and pass the actual
452         bit instead of a flag indicating that the thumb-bit is used.  Adjust
453         calls to methods in Arm_relocate_functions for this change.
454
455 2009-11-08  Ian Lance Taylor  <iant@google.com>
456
457         PR 10925
458         * reloc.cc: Instantiate
459         Sized_relobj::initialize_input_to_output_maps and
460         Sized_relobj:free_input_to_output_maps.
461
462 2009-11-06  Ian Lance Taylor  <iant@google.com>
463
464         PR 10876
465         * defstd.cc (in_segment): Set only_if_ref true for "end".
466
467 2009-11-06  Doug Kwan  <dougkwan@google.com>
468
469         * arm.cc (class Reloc_stub): Correct a comment.
470         (Target_arm::Target_arm): Initialize arm_input_section_map_.
471         (Target_arm::scan_section_for_stubs): New method declaration.
472         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
473         Change methods from private to protected.
474         (Target_arm::do_may_relax): New method definition.
475         (Target_arm::do_relax, Target_arm::group_sections,
476         Target_arm::scan_reloc_for_stub,
477         Target_arm::scan_reloc_section_for_stubs): New method declarations.
478         (Target_arm::arm_input_section_map_): New data member declaration.
479         (Target_arm::scan_reloc_for_stub,
480         Target_arm::scan_reloc_section_for_stubs,
481         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
482         Target_arm::do_relax): New method definitions.
483
484 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
485
486         * configure.ac: Check for (struct stat)::st_mtim
487         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
488         * config.in: Regenerate.
489         * configure: Regenerate.
490
491 2009-11-05  Ian Lance Taylor  <iant@google.com>
492
493         PR 10910
494         * output.cc (Output_segment::add_output_section): Add missing
495         return statement.
496
497 2009-11-04  Ian Lance Taylor  <iant@google.com>
498
499         PR 10880
500         * object.h (class Object): Add is_needed and set_is_needed
501         methods.  Add is_needed_ field.  Make bool fields into bitfields.
502         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
503         defined in a dynamic object and referenced by a regular object,
504         set is_needed for the dynamic object.
505         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
506         if the file is marked with as_needed and it is not needed.
507
508 2009-11-04  Ian Lance Taylor  <iant@google.com>
509
510         PR 10887
511         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
512         tags if data is discarded by linker script.
513         * i386.cc (Target_i386::do_finalize_sections): Likewise.
514         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
515         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
516         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
517
518 2009-11-04  Ian Lance Taylor  <iant@google.com>
519
520         * layout.cc (Layout::get_output_section): Add is_interp and
521         is_dynamic_linker_section parameters.  Change all callers.
522         (Layout::choose_output_section): Likewise.
523         (Layout::make_output_section): Likewise.
524         (Layout::add_output_section_data): Add is_dynamic_linker_section
525         parameter.  Change all callers.
526         * layout.h (class Layout): Update declarations.
527         * output.h (class Output_section): Add is_interp, set_is_interp,
528         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
529         Add is_interp_, is_dynamic_linker_section_ fields.  Change
530         generate_code_fills_at_write_ to a bitfield.
531         * output.cc (Output_section::Output_sections): Initialize new
532         fields.
533         (Output_segment::add_output_section): Add do_sort parameter.
534         Change all callers.
535
536 2009-11-03  Ian Lance Taylor  <iant@google.com>
537
538         PR 10860
539         * options.h (class General_options): Add --warn-common.
540         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
541         merging two common symbols.
542         (Symbol_table::should_override): Handle --warn-common when merging
543         a common symbol with a defined symbol.  Use report_resolve_problem
544         for multiple definitions.
545         (Symbol_table::report_resolve_problem): New function.
546         * symtab.h (class Symbol_table): Declare report_resolve_problem.
547
548 2009-11-03  Doug Kwan  <dougkwan@google.com>
549
550         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
551         stub_factory_.
552         (Target_arm::stub_factory): New method definition.
553         (Target_arm::new_arm_input_section,
554         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
555         Target_arm::reloc_uses_thumb_bit): New method declarations.
556         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map): 
557         New type definitions.
558         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
559         member declarations.
560         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
561         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
562         New method definitions.
563
564 2009-11-03  Ian Lance Taylor  <iant@google.com>
565
566         * options.h (class General_options): Add --warn_constructors.
567
568 2009-11-03  Ian Lance Taylor  <iant@google.com>
569
570         PR 10893
571         * defstd.cc (in_section): Add entries for __rel_iplt_start,
572         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
573
574 2009-11-03  Ian Lance Taylor  <iant@google.com>
575
576         PR 10895
577         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
578         --msgid-bugs-address.
579         (install-pdf): New target.
580         (install-data_yes): Look up one directory to find mkinstalldirs.
581
582 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
583
584         * po/Make-in (.po.gmo): Don't generate .gmo files in source
585         tree.
586
587 2009-10-30  Doug Kwan  <dougkwan@google.com>
588
589         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
590
591 2009-10-30  Doug Kwan  <dougkwan@google.com>
592
593         * arm.cc (Stub_addend_reader): New struct template definition
594         and partial specializations.
595         (Stub_addend_reader::operator()): New method definition for a
596         partially specialized template.
597
598 2009-10-30  Doug Kwan  <dougkwan@google.com>
599
600         * arm.cc (Arm_relobj::processor_specific_flags): New method
601         definition.
602         (Arm_relobj::do_read_symbols): New method declaration.
603         (Arm_relobj::processor_specific_flags_): New data member declaration.
604         (Arm_dynobj): New class definition.
605         (Target_arm::do_finalize_sections): Add input_objects parameter.
606         (Target_arm::do_adjust_elf_header): New method declaration.
607         (Target_arm::are_eabi_versions_compatible,
608         (Target_arm::merge_processor_specific_flags): New method declaration.
609         (Target_arm::do_make_elf_object): New overloaded method definitions
610         and declaration.
611         (Arm_relobj::do_read_symbols): New method definition.
612         (Arm_dynobj::do_read_symbols): Ditto.
613         (Target_arm::do_finalize_sections): Add input_objects parameters.
614         Merge processor-specific flags from all input objects.
615         (Target_arm::are_eabi_versions_compatible,
616         Target_arm::merge_processor_specific_flags,
617         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
618         New method definitions.
619         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
620         Input_objects pointer type parameter.
621         * layout.cc (Layout::finalize): Pass input objects to target's.
622         finalize_sections function.
623         * output.cc (Output_file_header::do_sized_write): Set ELF file
624         header's processor-specific flags.
625         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
626         Input_objects pointer type parameter.
627         * sparc.cc (Target_sparc::do_finalize_sections): Same.
628         * target.h (Input_objects): New forward class declaration.
629         (Target::processor_specific_flags,
630         Target::are_processor_specific_flags_sect): New method definitions.
631         (Target::finalize_sections): Add input_objects parameter.
632         (Target::Target): Initialize processor_specific_flags_ and
633         are_processor_specific_flags_set_.
634         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
635         parameter.
636         (Target::set_processor_specific_flags): New method definition.
637         (Target::processor_specific_flags_,
638         Target::are_processor_specific_flags_set_): New data member
639         declarations.
640         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
641         Input_objects pointer type parameter.
642
643 2009-10-30  Doug Kwan  <dougkwan@google.com>
644
645         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
646
647 2009-10-28  Ian Lance Taylor  <iant@google.com>
648
649         * object.h (class Relobj): Drop options parameter from
650         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
651         do_scan_relocs, do_relocate.  Change all callers.
652         (class Sized_relobj): Drop options parameters from
653         do_gc_process_relocs, do_scan_relocs, do_relocate,
654         do_relocate_sections, relocate_sections, emit_relocs_scan,
655         emit_relocs_scan_reltype.  Change all callers.
656         (struct Relocate_info): Remove options field and all references to
657         it.
658         * reloc.h (class Read_relocs): Remove options constructor
659         parameter and options_ field.  Change all callers.
660         (class Gc_process_relocs, class Scan_relocs): Likewise.
661         (class Relocate_task): Likewise.
662         * target-reloc.h (scan_relocs): Remove options parameter.  Change
663         all callers.
664         (scan_relocatable_relocs): Likewise.
665         * target.h (class Sized_target): Remove options parameter from
666         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
667         all callers.
668         * gc.h (gc_process_relocs): Remove options parameter.  Change all
669         callers.
670         * arm.cc: Update functions to remove options parameters.
671         * i386.cc: Likewise.
672         * powerpc.cc: Likewise.
673         * sparc.cc: Likewise.
674         * x86_64.cc: Likewise.
675         * testsuite/testfile.cc: Likewise.
676
677 2009-10-28  Doug Kwan  <dougkwan@google.com>
678
679         * arm.cc (Arm_relobj): New class definition.
680         (Arm_relobj::scan_sections_for_stubs, 
681         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
682         New method definitions.
683
684 2009-10-28  Cary Coutant  <ccoutant@google.com>
685
686         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
687         (Plugin::cleanup_done_): New member.
688         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
689         (Plugin_manager::cleanup_done_): Remove.
690         (Plugin_manager::add_input_file): Edit error message.
691         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
692         (Plugin_manager::cleanup): Remove use of cleanup_done_.
693
694 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
695
696         * fileread.cc: (File_read::View::~View): Use the new
697         data_ownership_ filed.
698         (File_read::~File_read): Dispose the new whole_file_view_.
699         (File_read::open): Mmap the whole file if needed.
700         (File_read::open): Use whole_file_view_ instead of contents_.
701         (File_read::find_view): Use whole_file_view_ if applicable.
702         (File_read::do_read): Use whole_file_view_ instead of contents_.
703         (File_read::make_view): Use whole_file_view_ instead of contents_,
704         update File_read::View::View call.
705         (File_read::find_or_make_view): Update File_read::View::View
706         call.
707         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
708         remove contents_
709         (File_read::View::Data_ownership): New enum.
710         (File_read::View::View): Replace bool mapped_ with Data_ownership
711         argument.
712         (File_read::View::mapped_): Remove (replaced by data_ownership_).
713         (File_read::View::data_ownership_): New field.
714         (File_read::contents_): Remove (replaced by whole_file_view_).
715         (File_read::whole_file_view_): New field.
716         * options.h (class General_options): Add --keep-files-mapped.
717
718 2009-10-27  Cary Coutant  <ccoutant@google.com>
719
720         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
721         * testsuite/Makefile.am (plugin_test_5): New test case.
722         * testsuite/Makefile.in: Regenerate.
723
724 2009-10-25  Doug Kwan  <dougkwan@google.com>
725
726         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
727         from private to protected to allow access by child class.
728         (Sized_relobj::do_relocate_sections): New method declaration.
729         (Sized_relobj::relocate_sections): Virtualize.
730         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from 
731         Sized_relobj::relocate_sections.  Instantiate template explicitly
732         for different target sizes and endianity.
733
734 2009-10-24  Doug Kwan  <dougkwan@google.com>
735
736         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
737         (Arm_input_section::as_arm_input_section): New method.
738         (Arm_output_section): New class definition.
739         (Arm_output_section::create_stub_group,
740         Arm_output_section::group_sections): New method definitions.
741
742 2009-10-22  Doug Kwan  <dougkwan@google.com>
743
744         * arm.cc (Arm_input_section): New class definition.
745         (Arm_input_section::init, Arm_input_section:do_write,
746         Arm_input_section::set_final_data_size,
747         Arm_input_section::do_reset_address_and_file_offset): New method
748         definitions.
749
750 2009-10-21  Doug Kwan  <dougkwan@google.com>
751
752         * arm.cc (Stub_table, Arm_input_section): New forward class
753         declarations.
754         (Stub_table): New class defintion.
755         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
756         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
757         New method definition.
758
759 2009-10-21  Doug Kwan  <dougkwan@google.com>
760
761         * arm.cc: Update copyright comments.
762         (Target_arm): New forward class template declaration.
763         (Arm_address): New type.
764         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
765         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
766         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
767         constants.
768         (Insn_template): Same.
769         (DEF_STUBS): New macro.
770         (Stub_type): New enum type.
771         (Stub_template): New class definition.
772         (Stub): Same.
773         (Reloc_stub): Same.
774         (Stub_factory): Same.
775         (Target_arm::Target_arm): Initialize may_use_blx_ and
776         should_force_pic_veneer_.
777         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
778         Target_arm::should_force_pic_veneer,
779         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
780         Target_arm::using_thumb_only, Target_arm:;default_target): New
781         method defintions.
782         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
783         New data member declarations.
784         (Insn_template::size, Insn_template::alignment): New method defintions.
785         (Stub_template::Stub_template): New method definition.
786         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
787         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
788         (Stub_factory::Stub_factory): New method definition.
789         * gold.h (string_hash): New template.
790         * output.h (Input_section_specifier::hash_value): Use
791         gold::string_hash.
792         (Input_section_specifier::string_hash): Remove.
793         * stringpool.cc (Stringpool_template::string_hash): Use
794         gold::string_hash.
795
796 2009-10-20  Doug Kwan  <dougkwan@google.com>
797
798         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
799         symbols of relaxed input sections.
800         * output.h (Output_section::find_relaxed_input_section): Make
801         method public.
802
803 2009-10-16  Doug Kwan  <dougkwan@google.com>
804
805         * dynobj.cc (Versions::Versions): Initialize version_script_.
806         Only insert base version symbol definition for a shared object
807         if version script defines any version versions.
808         (Versions::define_base_version): New method definition.
809         (Versions::add_def): Check that base version is not needed.
810         (Versions::add_need): Define base version lazily.
811         * dynobj.h (Versions::define_base_version): New method declaration.
812         (Versions::needs_base_version_): New data member declaration.
813         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
814         (check_DATA): Add no_version_test.stdout.
815         (libno_version_test.so, no_version_test.o no_version_test.stdout):
816         New make rules.
817         * testsuite/Makefile.in: Regenerate.
818         * testsuite/no_version_test.c: New file.
819         * testsuite/no_version_test.sh: Ditto.
820
821 2009-10-16  Doug Kwan  <dougkwan@google.com>
822
823         * expression.cc (class Segment_start_expression): New class definition.
824         (Segment_start_expression::value): New method definition.
825         (script_exp_function_segment_start): Return a new
826         Segment_start_expression.
827         * gold/script-c.h (script_saw_segment_start_expression): New function
828         prototype.
829         * script-sections.cc (Script_sections::Script_sections): Initialize
830         SAW_SEGMENT_START_EXPRESSION_ to false.
831         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
832         and -Tbbs options to specify section addresses if given in
833         command line and no SEGMENT_START expression is seen in a script.
834         * script-sections.h (Script_sections::saw_segment_start_expression,
835         Script_sections::set_saw_segment_start_expression): New method
836         definition.
837         (Script_sections::saw_segment_start_expression_): New data member
838         declaration.
839         * script.cc (script_saw_segment_start_expression): New function.
840         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
841         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
842         script_test_7.sh and script_test_8.sh.
843         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
844         script_test_8.stdout.
845         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
846         (script_test_6, script_test_6.stdout, script_test_7,
847         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
848         * Makefile.in: Regenerate.
849         * testsuite/script_test_6.sh: New file.
850         * testsuite/script_test_6.t: Same.
851         * testsuite/script_test_7.sh: Same.
852         * testsuite/script_test_7.t: Same.
853         * testsuite/script_test_8.sh: Same.
854
855 2009-10-16  Doug Kwan  <dougkwan@google.com>
856
857         * output.cc (Output_segment::set_section_list_address): Cast
858         expressions to unsigned long long type to avoid format warnings.
859
860 2009-10-15  Ian Lance Taylor  <iant@google.com>
861
862         * script.cc (Script_options::add_symbol_assignment): Always add a
863         dot assignment to script_sections_.
864         * script-sections.cc (Script_sections::add_dot_assignment):
865         Initialize if necessary.
866
867         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
868         program headers with no load segment if there is a linker script.
869
870         * layout.cc (Layout::set_segment_offsets): Align the file offset
871         to the segment aligment for -N or -n with no load segment.
872         * output.cc (Output_segment::add_output_section): Don't crash if
873         the first section is a TLS section.
874         (Output_segment::set_section_list_addresses): Print an error
875         message if the address moves backward in a linker script.
876         * script-sections.cc
877         (Output_section_element_input::set_section_addresses): Don't
878         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
879         (Orphan_output_section::set_section_addresses): Likewise.
880
881 2009-10-15  Doug Kwan  <dougkwan@google.com>
882
883         * layout.cc (Layout::finish_dynamic_section): Generate tags
884         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
885         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
886         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
887
888 2009-10-14  Ian Lance Taylor  <iant@google.com>
889
890         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
891         fields.
892         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
893         data_shdr fields of relinfo.
894         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
895         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
896         R_386_TLS_LDO_32, adjust based on section flags.
897         (Target_i386::Relocate::fix_up_ldo): Remove.
898
899 2009-10-13  Ian Lance Taylor  <iant@google.com>
900
901         Add support for -pie.
902         * options.h (class General_options): Add -pie and
903         --pic-executable.
904         (General_options::output_is_position_independent): Test -pie.
905         (General_options::output_is_executable): Return true if not shared
906         and not relocatable.
907         (General_options::output_is_pie): Remove.
908         * options.cc (General_options::finalize): Reject incompatible uses
909         of -pie.
910         * gold.cc (queue_middle_tasks): A -pie link is not static.
911         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
912         * symtab.cc (Symbol::final_value_is_known): Return false if
913         output_is_position_independent.
914         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
915         output_is_position_independent.
916         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
917         output_is_position_independent.
918         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
919         output_is_position_independent.
920         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
921         two_file_pie_test.
922         (basic_pie_test.o, basic_pie_test): New targets.
923         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
924         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
925         (two_file_pie_test): New target.
926         * testsuite/Makefile.in: Rebuild.
927         * README: Remove note saying that -pie is not supported.
928
929 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
930
931         * options.h (class General_options): Add -init and -fini.
932         * layout.cc (Layout::finish_dynamic_section): Emit
933         given init and fini functions.
934
935 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
936
937         * gc.h (gc_process_relocs): Check if icf is enabled using new
938         function.
939         * gold.cc (queue_initial_tasks): Likewise.
940         (queue_middle_tasks): Likewise.
941         * object.cc (do_layout): Likewise.
942         * symtab.cc (is_section_folded): Likewise.
943         * main.cc (main): Likewise.
944         * reloc.cc (Read_relocs::run): Likewise.
945         (Sized_relobj::do_scan_relocs): Likewise.
946         * icf.cc (is_function_ctor_or_dtor): New function.
947         (Icf::find_identical_sections): Check if function is ctor or dtor when
948         safe icf is chosen.
949         * options.h (General_options::icf): Change option to be an enum.
950         (Icf_status): New enum.
951         (icf_enabled): New method.
952         (icf_safe_folding): New method.
953         (set_icf_status): New method.
954         (icf_status_): New variable.
955         * (options.cc) (General_options::finalize): Set icf_status_.
956         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
957         icf_test and icf_keep_unique_test to use the --icf enum flag.
958         * testsuite/icf_safe_test.sh: New file.
959         * testsuite/icf_safe_test.cc: New file. 
960
961 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
962
963         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
964         includes to gc.h and icf.h.
965         * arm.cc: Include gc.h.
966         * gold.cc: Likewise.
967         * i386.cc: Likewise.
968         * powerpc.cc: Likewise.
969         * sparc.cc: Likewise.
970         * x86_64.cc: Likewise.
971         * gc.h: Include icf.h.
972
973 2009-10-11  Ian Lance Taylor  <iant@google.com>
974
975         * plugin.cc: Include "gold.h" before other header files.
976
977 2009-10-10  Chris Demetriou  <cgd@google.com>
978
979         * options.h (Input_file_argument::Input_file_type): New enum.
980         (Input_file_argument::is_lib_): Replace with...
981         (Input_file_argument::type_): New member.
982         (Input_file_argument::Input_file_argument): Take Input_file_type
983         'type' rather than boolean 'is_lib' as second argument.
984         (Input_file_argument::is_lib): Use type_.
985         (Input_file_argument::is_searched_file): New function.
986         (Input_file_argument::may_need_search): Handle is_searched_file.
987         * options.cc (General_options::parse_library): Support -l:filename.
988         (General_options::parse_just_symbols): Update for Input_file_argument
989         changes.
990         (Command_line::process): Likewise.
991         * archive.cc (Archive::get_file_and_offset): Likewise.
992         * plugin.cc (Plugin_manager::release_input_file): Likewise.
993         * script.cc (read_script_file, script_add_file): Likewise.
994         * fileread.cc (Input_file::Input_file): Likewise.
995         (Input_file::will_search_for): Handle is_searched_file.
996         (Input_file::open): Likewise.
997         * readsyms.cc (Read_symbols::get_name): Likewise.
998         * testsuite/Makefile.am (searched_file_test): New test.
999         * testsuite/Makefile.in: Regenerate.
1000         * testsuite/searched_file_test.cc: New file.
1001         * testsuite/searched_file_test_lib.cc: New file.
1002
1003 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1004             Ian Lance Taylor  <iant@google.com>
1005
1006         * descriptor.cc: Include <cstdio> and "binary-io.h".
1007         (Descriptors::open): Open the files in binary mode always.
1008         * script.cc (Lex::get_token): Treat \r as whitespace.
1009
1010 2009-10-09  Ian Lance Taylor  <iant@google.com>
1011
1012         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
1013
1014 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1015             Ian Lance Taylor  <iant@google.com>
1016
1017         * configure.ac: Check for readv function also.
1018         * fileread.cc (readv): Define if not HAVE_READV.
1019         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
1020         does not exist.
1021         * config.in: Regenerate.
1022         * configure: Regenerate.
1023
1024 2009-10-09  Doug Kwan  <dougkwan@google.com>
1025
1026         * layout.cc (Layout::make_output_section): Call target hook to make
1027         ordinary output section.
1028         (Layout::finalize): Adjust parameter list of call the
1029         Target::may_relax().
1030         * layout.h (class Layout::section_list): New method.
1031         * merge.h (Output_merge_base::entsize): Change visibility to public.
1032         (Output_merge_base::is_string, Output_merge_base::do_is_string):
1033         New methods.
1034         (Output_merge_string::do_is_string): New method.
1035         * object.cc (Sized_relobj::do_setup): renamed from
1036         Sized_relobj::set_up.
1037         * object.h (Sized_relobj::adjust_shndx,
1038         Sized_relobj::initializ_input_to_output_maps,
1039         Sized_relobj::free_input_to_output_maps): Change visibilities to
1040         protected.
1041         (Sized_relobj::setup): Virtualize.
1042         (Sized_relobj::do_setup): New method declaration.
1043         (Sized_relobj::invalidate_section_offset,
1044         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
1045         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
1046         * options.cc (parse_int): New function.
1047         * options.h (parse_int): New declaration.
1048         (DEFINE_int): New macro.
1049         (stub_group_size): New option.
1050         * output.cc (Output_section::Output_section): Initialize memebers
1051         merge_section_map_, merge_section_by_properties_map_,
1052         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
1053         (Output_section::add_input_section): Handled deferred code-fill
1054         generation and remove an old comment.
1055         (Output_section::add_relaxed_input_section): New method definition.
1056         (Output_section::add_merge_input_section): Use merge section by
1057         properties map to speed to search.  Update merge section maps
1058         as appropriate.
1059         (Output_section::build_relaxation_map): New method definition.
1060         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
1061         Same.
1062         (Output_section::relax_input_section): Renamed to
1063         Output_section::convert_input_sections_to_relaxed_sections and change
1064         interface to take a vector of pointers to relaxed sections.
1065         (Output_section::find_merge_section,
1066         Output_section::find_relaxed_input_section): New method definitions.
1067         (Output_section::is_input_address_mapped,
1068         Output_section::output_offset, Output_section::output_address):
1069         Use output section data maps to speed up searching.
1070         (Output_section::find_starting_output_address): Add comments.
1071         (Output_section::do_write,
1072         Output_section::write_to_postprocessing_buffer): Do code-fill
1073         generation as appropriate.
1074         (Output_section::get_input_sections): Invalidate relaxed input section
1075         map.
1076         (Output_section::restore_states): Adjust type of checkpoint .
1077         Invalidate relaxed input section map.
1078         * output.h (Output_merge_base): New class declaration.
1079         (Input_section_specifier): New class defintion.
1080         (class Output_relaxed_input_section) Change base class to
1081         Output_section_data_build.
1082         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
1083         base class initializer.
1084         (Output_section::add_relaxed_input_section): New method declaration.
1085         (Output_section::Input_section): Change visibility to protected.
1086         (Output_section::Input_section::relobj,
1087         Output_section::Input_section::shndx): Handle relaxed input sections.
1088         Output_section::input_sections) Change visibility to protected.  Also
1089         define overload to return a non-const pointer.
1090         (Output_section::Merge_section_properties): New class defintion.
1091         (Output_section::Merge_section_by_properties_map,
1092         Output_section::Output_section_data_by_input_section_map,
1093         Output_section::Relaxation_map): New types.
1094         (Output_section::relax_input_section): Rename method to
1095         Output_section::convert_input_sections_to_relaxed_sections and change
1096         interface to take a vector of relaxed section pointers.
1097         (Output_section::find_merge_section,
1098         Output_section::find_relaxed_input_section,
1099         Output_section::build_relaxation_map,
1100         Output_section::convert_input_sections_in_list_to_relaxed_sections):
1101         New method declarations.
1102         (Output_section::merge_section_map_
1103         Output_section::merge_section_by_properties_map_,
1104         Output_section::relaxed_input_section_map_,
1105         Output_section::is_relaxed_input_section_map_valid_,
1106         Output_section::generate_code_fills_at_write_): New data members.
1107         * script-sections.cc
1108         (Output_section_element_input::set_section_addresses): Call
1109         current_data_size and addralign methods of relaxed input sections.
1110         (Orphan_output_section::set_section_addresses): Call current_data_size
1111         and addralign methods of relaxed input sections.
1112         * symtab.cc (Symbol_table::compute_final_value): Extract template
1113         from the body of Symbol_table::sized_finalize_symbol.
1114         (Symbol_table::sized_finalized_symbol): Call
1115         Symbol_table::compute_final_value.
1116         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
1117         (Symbol_table::compute_final_value): New templated method declaration.
1118         * target.cc (Target::do_make_output_section): New method defintion.
1119         * target.h (Target::make_output_section): New method declaration.
1120         (Target::relax): Add more parameters for input objects, symbol table
1121         and layout.  Adjust call to do_relax.
1122         (Target::do_make_output_section): New method declaration.
1123         (Target::do_relax): Add parameters for input objects, symbol table
1124         and layout.
1125
1126 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1127
1128         * pread.c: Include stdio.h.
1129
1130 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1131
1132         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
1133         defined.
1134
1135 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1136
1137         * dwarf_reader.cc (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         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
1143         Change read_shndx type to unsigned int.
1144         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
1145         int.
1146         (Sized_dwarf_line_info::read_line_mappings): Likewise.
1147         * layout.cc (Layout::create_symtab_sections): Cast the result of
1148         local_symcount * symsize to off_t in the gold_assert.
1149
1150 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1151
1152         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
1153         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
1154         R_ARM_BASE_ABS.
1155         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
1156         (Arm_relocate_functions::thm_abs5): New function.
1157         (Arm_relocate_functions::abs12): New function.
1158         (Arm_relocate_functions::abs16): New function.
1159         (Arm_relocate_functions::base_abs): New function.
1160         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
1161         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
1162         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
1163         R_ARM_BASE_ABS.
1164         (Scan::global): Likewise.
1165         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
1166         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
1167         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
1168         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
1169         R_ARM_BASE_ABS.
1170
1171 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1172
1173         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
1174         (Arm_relocate_functions::movt_prel): New function.
1175         (Arm_relocate_functions::thm_movw_prel_nc): New function.
1176         (Arm_relocate_functions::thm_movt_prel): New function.
1177         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
1178         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
1179         (Scan::global, Relocate::relocate): Likewise.
1180         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
1181
1182 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
1183
1184         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
1185         Incremental_checker.
1186         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
1187         unsigned int.
1188         (class Incremental_inputs_header): New class.
1189         (Incremental_inputs_header_writer): Edit comment.
1190         (Incremental_inputs_entry): New class.
1191         (Incremental_inputs_entry_writer): Edit comment.
1192         (Sized_incremental_binary::do_find_incremental_inputs_section):
1193         Add *strtab_shndx parameter, fill it.
1194         (Sized_incremental_binary::do_check_inputs): New method.
1195         (Incremental_checker::can_incrementally_link_output_file): Use
1196         Sized_incremental_binary::check_inputs.
1197         (Incremental_inputs::report_command_line): Save command line in
1198         command_line_.
1199         * incremental.h:
1200         (Incremental_binary::find_incremental_inputs_section): New
1201         method.
1202         (Incremental_binary::do_find_incremental_inputs_section): Add
1203         strtab_shndx parameter.
1204         (Incremental_binary::do_check_inputs): New pure virtual method.
1205         (Sized_incremental_binary::do_check_inputs): Declare.
1206         (Incremental_checker::Incremental_checker): Add incremental_inputs
1207         parameter, use it to initialize incremental_inputs_.
1208         (Incremental_checker::incremental_inputs_): New field.
1209         (Incremental_checker::command_line): New method.
1210         (Incremental_checker::inputs): New method.
1211         (Incremental_checker::command_line_): New field.
1212
1213 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
1214
1215         * incremental.cc: Include <cstdarg> and "target-select.h".
1216         (vexplain_no_incremental): New function.
1217         (explain_no_incremental): New function.
1218         (Incremental_binary::error): New method.
1219         (Sized_incremental_binary::do_find_incremental_inputs_section): New
1220         method.
1221         (make_sized_incremental_binary): New function.
1222         (open_incremental_binary): New function.
1223         (can_incrementally_link_file): Add checks if output is ELF and has
1224         inputs section.
1225         * incremental.h: Include "elfcpp_file.h" and "output.h".
1226         (Incremental_binary): New class.
1227         (Sized_incremental_binary): New class.
1228         (open_incremental_binary): Declare.
1229         * object.cc (is_elf_object): Use
1230         elfcpp::Elf_recognizer::is_elf_file.
1231         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
1232         * output.h (Output_file::filesize): New method.
1233
1234 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1235
1236         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
1237         New function.
1238         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
1239         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
1240         function.
1241         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
1242         function.
1243         (Arm_relocate_functions::movw_abs_nc): New function.
1244         (Arm_relocate_functions::movt_abs): New function.
1245         (Arm_relocate_functions::thm_movw_abs_nc): New function.
1246         (Arm_relocate_functions::thm_movt_abs): New function.
1247         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
1248         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
1249         (Scan::global): Likewise.
1250         (Relocate::relocate): Likewise.
1251         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
1252
1253 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1254
1255         * arm.cc (Arm_relocate_functions::got_prel) New function.
1256         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
1257         (Relocate::relocate): Likewise.
1258         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
1259
1260 2009-10-06  Ian Lance Taylor  <iant@google.com>
1261
1262         * options.h (class General_options): Define
1263         split_stack_adjust_size parameter.
1264         * object.h (class Object): Add uses_split_stack_ and
1265         has_no_split_stack_ fields.  Add uses_split_stack and
1266         has_no_split_stack accessor functions.  Declare
1267         handle_split_stack_section.
1268         (class Reloc_symbol_changes): Define.
1269         (class Sized_relobj): Define Function_offsets.  Declare
1270         split_stack_adjust, split_stack_adjust_reltype, and
1271         find_functions.
1272         * object.cc (Object::handle_split_stack_section): New function.
1273         (Sized_relobj::do_layout): Call handle_split_stack_section.
1274         * dynobj.cc (Sized_dynobj::do_layout): Call
1275         handle_split_stack_section.
1276         * reloc.cc (Sized_relobj::relocate_sections): Call
1277         split_stack_adjust for executable sections in split_stack
1278         objects.  Pass reloc_map to relocate_section.
1279         (Sized_relobj::split_stack_adjust): New function.
1280         (Sized_relobj::split_stack_adjust_reltype): New function.
1281         (Sized_relobj::find_functions): New function.
1282         * target-reloc.h: Include "object.h".
1283         (relocate_section): Add reloc_symbol_changes parameter.  Change
1284         all callers.
1285         * target.h (class Target): Add calls_non_split method.  Declare
1286         do_calls_non_split virtual method.  Declare match_view and
1287         set_view_to_nop.
1288         * target.cc: Include "elfcpp.h".
1289         (Target::do_calls_non_split): New function.
1290         (Target::match_view): New function.
1291         (Target::set_view_to_nop): New function.
1292         * gold.cc (queue_middle_tasks): Give an error if mixing
1293         split-stack and non-split-stack objects with -r.
1294         * i386.cc (Target_i386::relocate_section): Add
1295         reloc_symbol_changes parameter.
1296         (Target_i386::do_calls_non_split): New function.
1297         * x86_64.cc (Target_x86_64::relocate_section): Add
1298         reloc_symbol_changes parameter.
1299         (Target_x86_64::do_calls_non_split): New function.
1300         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
1301         parameter.
1302         * powerpc.cc (Target_powerpc::relocate_section): Add
1303         reloc_symbol_changes parameter.
1304         * sparc.cc (Target_sparc::relocate_section): Add
1305         reloc_symbol_changes parameter.
1306         * configure.ac: Call AM_CONDITIONAL for the default target.
1307         * configure: Rebuild.
1308         * testsuite/Makefile.am (TEST_AS): New variable.
1309         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
1310         (check_DATA): Add split_i386 and split_x86_64 files.
1311         (SPLIT_DEFSYMS): Define.
1312         (split_i386_[1234n].o): New targets.
1313         (split_i386_[124]): New targets.
1314         (split_i386_[1234r].stdout): New targets.
1315         (split_x86_64_[1234n].o): New targets.
1316         (split_x86_64_[124]): New targets.
1317         (split_x86_64_[1234r].stdout): New targets.
1318         (MOSTLYCLEANFILES): Add new executables.
1319         * testsuite/split_i386.sh: New file.
1320         * testsuite/split_x86_64.sh: New file.
1321         * testsuite/split_i386_1.s: New file.
1322         * testsuite/split_i386_2.s: New file.
1323         * testsuite/split_i386_3.s: New file.
1324         * testsuite/split_i386_4.s: New file.
1325         * testsuite/split_i386_n.s: New file.
1326         * testsuite/split_x86_64_1.s: New file.
1327         * testsuite/split_x86_64_2.s: New file.
1328         * testsuite/split_x86_64_3.s: New file.
1329         * testsuite/split_x86_64_4.s: New file.
1330         * testsuite/split_x86_64_n.s: New file.
1331         * testsuite/testfile.cc (Target_test): Update relocation_section
1332         function.
1333         * testsuite/Makefile.in: Rebuild.
1334
1335 2009-10-06  Ian Lance Taylor  <iant@google.com>
1336
1337         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
1338         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
1339         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
1340         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
1341         the address on ldo_addrs_.
1342         (Target_i386::Relocate::fix_up_ldo): New function.
1343
1344 2009-10-06   Rafael Espindola  <espindola@google.com>
1345
1346         * plugin.cc (add_input_library): New.
1347         (Plugin::load): Add add_input_library to tv.
1348         (Plugin_manager::add_input_file): Add the is_lib argument.
1349         (add_input_file): Update call to Plugin_manager::add_input_file.
1350         (add_input_library): New.
1351         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
1352
1353 2009-09-30  Doug Kwan  <dougkwan@google.com>
1354
1355         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
1356         symbol and call Symbol::may_need_copy_reloc to determine if
1357         a copy reloc is needed.
1358         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
1359         nocopyreloc is given in command line.
1360         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
1361         given in command line.
1362         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
1363         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
1364         of the removed Target_i386::may_need_copy_reloc.
1365         * options.h (copyreloc): New option with default value false.
1366         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
1367         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
1368         instead of the removed Target_powerpc::may_need_copy_reloc.
1369         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
1370         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
1371         instead of the removed Target_sparc::may_need_copy_reloc.
1372         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
1373         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
1374         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
1375         instead of the removed Target_x86_64::may_need_copy_reloc.
1376
1377 2009-09-30  Ian Lance Taylor  <iant@google.com>
1378
1379         * object.h (class Object): Remove target_ field, and target,
1380         sized_target, and set_target methods.
1381         (Object::sized_target): Remove.
1382         (class Sized_relobj): Update declarations.  Remove sized_target.
1383         * object.cc (Sized_relobj::setup): Remove target parameter.
1384         Change all callers.
1385         (Input_objects::add_object): Don't do anything with the target.
1386         (make_elf_sized_object): Add punconfigured parameter.  Change all
1387         callers.  Set or test parameter target.
1388         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
1389         Change all callers.
1390         * parameters.cc (Parameters::set_target): Change parameter type to
1391         be non-const.
1392         (Parameters::default_target): Remove.
1393         (set_parameters_target): Change parameter type to be non-const.
1394         (parameters_force_valid_target): New function.
1395         (parameters_clear_target): New function.
1396         * parameters.h (class Parameters): Update declarations.  Remove
1397         default_target method.  Add sized_target and clear_target
1398         methods.  Change target_ to be non-const.
1399         (set_parameters_target): Update declaration.
1400         (parameters_force_valid_target): Declare.
1401         (parameters_clear_target): Declare.
1402         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
1403         as NULL if we aren't searching.
1404         (Add_symbols::run): Don't check for compatible target.
1405         * fileread.cc (Input_file::open_binary): Call
1406         parameters_force_valid_target.
1407         * gold.cc (queue_middle_tasks): Likewise.
1408         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
1409         set_target on object.
1410         * dynobj.h (class Sized_dynobj): Update declarations.
1411         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
1412         make_elf_object returns NULL.
1413         (Archive::include_member): Don't check whether object target is
1414         compatible.
1415         * output.cc (Output_section::add_input_section): Get target from
1416         parameters.
1417         (Output_section::relax_input_section): Likewise.
1418         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
1419         parameters.
1420         (Sized_relobj::do_scan_relocs): Likewise.
1421         (Sized_relobj::relocate_sections): Likewise.
1422         * resolve.cc (Symbol_table::resolve): Likewise.
1423         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
1424         parameter.  Change all callers.
1425         (Symbol_table::add_from_object): Get target from parameters.
1426         (Symbol_table::add_from_relobj): Don't check object target.
1427         (Symbol_table::add_from_dynobj): Likewise.
1428         (Symbol_table::define_special_symbol): Get target from
1429         parameters.
1430         * symtab.h (class Symbol_table): Update declaration.
1431         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
1432         parameter.  Change all callers.  Clear parameter target.
1433         (Binary_test): Test target here.
1434         * testsuite/object_unittest.cc (gold_testsuite): Remove
1435         target_test_pointer parameter.  Change all callers.
1436         (Object_test): Test target here.
1437
1438 2009-09-26  Ian Lance Taylor  <iant@google.com>
1439
1440         * testsuite/initpri1.c: Don't try to use constructor priorities if
1441         compiling with gcc before 4.3.
1442
1443 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
1444
1445         * testsuite/retain_symbols_file_test.sh (check_present): Change
1446         output file name to retain_symbols_file_test.stdout.
1447         (check_absent): Likewise.
1448
1449 2009-09-18  Craig Silverstein  <csilvers@google.com>
1450
1451         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
1452         * options.cc: Include <cerrno> and <fstream>.
1453         (General_options::finalize): Parse -retain-symbols-file tag.
1454         * options.h: New flag.
1455         (General_options): New method should_retain_symbol, new
1456         variable symbols_to_retain.
1457         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
1458         should_retain_symbol map.
1459         * testsuite/Makefile.am (retain_symbols_file_test): New test.
1460         * testsuite/Makefile.in: Regenerate.
1461         * testsuite/retain_symbols_file_test.sh: New file.
1462
1463 2009-09-18  Nick Clifton  <nickc@redhat.com>
1464
1465         * po/es.po: Updated Spanish translation.
1466
1467 2009-09-17  Doug Kwan  <dougkwan@google.com>
1468
1469         * debug.h (DEBUG_RELAXATION): New constant.
1470         (DEBUG_ALL): Add DEBUG_RELAXATION.
1471         (debug_string_to_enum): Add relaxation debug option.
1472         * layout.cc
1473         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
1474         Layout::Relaxation_debug_check::read_sections,
1475         Layout::Relaxation_debug_check::read_sections): New method definitions.
1476         (Layout::Layout): Initialize data members
1477         record_output_section_data_from_scrips_,
1478         script_output_section_data_list_ and relaxation_debug_check_.
1479         (Layout::save_segments, Layout::restore_segments,
1480         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
1481         Layout::relaxation_loop_body): New method definitions.
1482         (Layout::finalize): Support relaxation.  Move section layout code to
1483         Layout::relaxation_loop_body.
1484         (Layout::set_asection_address_from_script): Move code for orphan
1485         section placement out.
1486         (Layout::place_orphan_sections_in_script): New method definition.
1487         * layout.h (Output_segment_headers, Output_file_header):
1488         New forward class declarations.
1489         (Layout::~Layout): Define.
1490         (Layout::new_output_section_data_from_script): New method definition.
1491         (Layout::place_orphan_sections_in_script): New method declaration.
1492         (Layout::Segment_states): New type declaration.
1493         (Layout::save_segments, Layout::restore_segments,
1494         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
1495         Layout::relaxation_loop_body): New method declarations.
1496         (Layout::Output_section_data_list): New type declaration.
1497         (Layout::Relaxation_debug_check): New class definition.
1498         (Layout::record_output_section_data_from_script_,
1499         Layout::script_output_section_data_list_, Layout::segment_states_,
1500         Layout::relaxation_debug_check_): New data members.
1501         * output.cc: (Output_section_headers::do_size): New method definition.
1502         (Output_section_headers::Output_section_headers): Move size
1503         computation to Output_section_headers::do_size.
1504         (Output_segment_headers::do_size): New method definition.
1505         (Output_file_header::Output_file_header): Move size computation to 
1506         Output_file_header::do_size and call it.
1507         (Output_file_header::do_size): New method definition.
1508         (Output_data_group::Output_data_group): Adjust call to
1509         Output_section_data.
1510         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
1511         (Output_symtab_xindex::do_write): Add array bound check.
1512         (Output_section::Input_section::print_to_mapfile): Handle
1513         RELAXED_INPUT_SECTION_CODE.
1514         (Output_section::Output_section): Initialize data member checkpoint_.
1515         (Output_section::~Output_section): Delete checkpoint object pointed
1516         by checkpoint_.
1517         (Output_section::add_input_section): Always add an Input_section if
1518         relaxing.
1519         (Output_section::add_merge_input_section): Add assert.
1520         (Output_section::relax_input_section): New method definition.
1521         (Output_section::set_final_data_size): Set load address to zero for
1522         an unallocated section.
1523         (Output_section::do_address_and_file_offset_have_reset_values):
1524         New method definition.
1525         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
1526         Handle relaxed input section.
1527         (Output_section::sort_attached_input_sections): Checkpoint input
1528         section list lazily.
1529         (Output_section::get_input_sections): Change type of input_sections to
1530         list of Simple_input_section pointers.  Checkpoint input section list
1531         lazily.  Also handle relaxed input sections.
1532         (Output_section::add_input_section_for_script): Take a reference to
1533         a Simple_input_section object instead of Relobj pointer and section
1534         index as parameter.  Handle relaxed input sections.
1535         (Output_section::save_states, Output_section::restore_states): New
1536         method definitions.
1537         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
1538         (Output_data::is_data_size_fixed): New method definition.
1539         (Output_data::reset_addresss_and_file_offset): Do not reset data size
1540         if it is fixed.
1541         (Output_data::address_and_file_offset_have_reset_values): New method
1542         definition.
1543         (Output_data::do_address_and_file_offset_have_reset_values): New method
1544         definition.
1545         (Output_data::set_data_size): Check that data size is not fixed.
1546         (Output_data::fix_data_size): New method definition.
1547         (Output_data::is_data_size_fixed_): New data member.
1548         (Output_section_headers::set_final_data_size): New method definition.
1549         (Output_section_headers::do_size): New method declaration.
1550         (Output_segment_headers::set_final_data_size): New method definition.
1551         (Output_segment_headers::do_size): New method declaration.
1552         (Output_file_header::set_final_data_size)::New method definition.
1553         (Output_file_header::do_size)::New method declaration.
1554         (Output_section_data::Output_section_data): Add new parameter
1555         is_data_size_fixed and use it to fix data size.
1556         (Output_data_const::Output_data_const): Adjust call to base class
1557         constructor and fix data size.
1558         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
1559         base class constructor and fix data size.
1560         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
1561         base class constructor and fix data size.
1562         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
1563         class constructor and fix data size.
1564         (Output_data_group::set_final_data_size): New method definition.
1565         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
1566         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
1567         class constructor and fix data size.
1568         (Output_relaxed_input_section): New class definition.
1569         (Output_section::Simple_input_section): New class definition.
1570         (Output_section::get_input_sections): Adjust parameter list.
1571         (Output_section::add_input_section_for_script): Same.
1572         (Output_section::save_states, Output_section::restore_states,
1573         Output_section::do_address_and_file_offset_have_reset_values,
1574         (Output_section::Input_section::Input_section): Handle
1575         RELAXED_INPUT_SECTION_CODE.  Add new overload for
1576         Output_relaxed_input_section.
1577         (Output_section::Input_section::is_input_section,
1578         Output_section::Input_section::set_output_section): Handle relaxed
1579         input section.
1580         (Output_section::Input_section::is_relaxed_input_section,
1581         Output_section::Input_section::output_section_data,
1582         Output_section::Input_section::relaxed_input_section): New method
1583         definitions.
1584         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
1585         value.
1586         (Output_section::Input_section::u1_): Update comments.
1587         (Output_section::Input_section::u2_): Add new union member poris.
1588         (Output_section::Checkpoint_output_section): New classs definition.
1589         (Output_section::relax_input_section): New method declaration.
1590         (Output_section::checkpoint_): New data member.
1591         (Output_segment): Update comments.
1592         (Output_segment::Output_segment): Un-privatize copy constructor.
1593         (Output_segment::operator=): Un-privatize.
1594         * script-sections.cc (Output_section_element::Input_section_list):
1595         Change element type to Output_section::Simple_input_section.
1596         (Output_section_element_dot_assignment::set_section_addresses):
1597         Register output section data for relaxation clean up.
1598         (Output_data_exression::Output_data_expression): Adjust call to base
1599         constructor to fix data size.
1600         (Output_section_element_data::set_section_addresses): Register
1601         Output_data_expression object for relaxation clean up.
1602         (struct Input_section_info): Replace Relobj pointer and section index
1603         pair with Output_section::Simple_input_section and Convert struct to a
1604         class.
1605         (Input_section_sorter::operator()): Adjust access to
1606         Input_section_info data member to use accessors. 
1607         (Output_section_element_input::set_section_addresses): Use layout
1608         parameter.  Adjust code to use Output_section::Simple_input_section
1609         and Input_secction_info classes.  Register filler for relaxation
1610         clean up.
1611         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
1612         and section index pair with Output_section::Simple_input_section
1613         class.  Adjust code accordingly.
1614         (Phdrs_element::release_segment): New method definition.
1615         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
1616         segment list.
1617         (Script_sections::release_segments): New method definition.
1618         * gold/script-sections.h (Script_sections::release_segments): New
1619         method declaration.
1620         * gold/target.h (Target::may_relax, Target::relax,
1621         Target::do_may_relax, Target::do_relax): New method definitions.
1622
1623 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1624
1625         * arm.cc (has_signed_unsigned_overflow): New function.
1626         (Arm_relocate_functions::abs8): New function.
1627         (Target_arm::Scan::local): Handle R_ARM_ABS8.
1628         (Target_arm::Scan::global): Likewise.
1629         (Target_arm::relocate::relocate): Likewise.
1630         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1631         Likewise.
1632
1633 2009-09-16  Cary Coutant  <ccoutant@google.com>
1634
1635         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
1636         * testsuite/Makefile.in: Regenerate.
1637
1638 2009-09-11  Nick Clifton  <nickc@redhat.com>
1639
1640         * po/gold.pot: Updated by the Translation project.
1641
1642 2009-09-08  Cary Coutant  <ccoutant@google.com>
1643
1644         * output.cc (Output_file::open): Add execute permission to empty file.
1645         * testsuite/Makefile.am (permission_test): New test.
1646         * testsuite/Makefile.in: Regenerate.
1647
1648 2009-09-02  Ian Lance Taylor  <iant@google.com>
1649
1650         * output.cc (Output_file::resize): Call map_no_anonymous rather
1651         than map.
1652
1653 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
1654
1655         * gold.cc: Include "incremental.h".
1656         (queue_initial_tasks): Call Incremental_checker methods.
1657         * incremental.cc: Include "output.h".
1658         (Incremental_checker::can_incrementally_link_output_file): New
1659         method.
1660         * incremental.h (Incremental_checker): New class.
1661
1662         * output.cc (Output_file::open_for_modification): New method.
1663         (Output_file::map_anonymous): Changed return type to bool.  Record
1664         map in base_ field.
1665         (Output_file::map_no_anonymous): New method, broken out of map.
1666         (Output_file::map): Use map_no_anonymous and map_anonymous.
1667         * output.h (class Output_file): Update declarations.
1668
1669 2009-08-24  Cary Coutant  <ccoutant@google.com>
1670
1671         * options.h (Command_line::Pre_options): New class.
1672         (Command_line::pre_options): New member.
1673         * options.cc (gold::options::ready_to_register): New variable.
1674         (One_option::register_option): Do nothing if not registering options.
1675         Assert if same short option registered twice.
1676         (General_options::General_options): Turn off option registration when
1677         done constructing.
1678         (Command_line::Pre_options::Pre_options): New constructor.
1679
1680 2009-08-24  Cary Coutant  <ccoutant@google.com>
1681
1682         * options.h (General_options::no_keep_memory): Remove incorrect
1683         short option.
1684
1685 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1686
1687         * Makefile.am (am__skiplex, am__skipyacc): New.
1688         * Makefile.in: Regenerate.
1689
1690 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1691
1692         * Makefile.am (AM_CPPFLAGS): Renamed from ...
1693         (INCLUDES): ... this.
1694         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
1695         (AM_CPPFLAGS): Renamed from ...
1696         (INCLUDE): ... this.
1697         * Makefile.in, testsuite/Makefile.in: Regenerate.
1698
1699         * Makefile.in: Regenerate.
1700         * aclocal.m4: Likewise.
1701         * config.in: Likewise.
1702         * configure: Likewise.
1703         * testsuite/Makefile.in: Likewise.
1704
1705         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
1706         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
1707         * Makefile.in: Regenerate.
1708         * testsuite/Makefile.in: Regenerate.
1709
1710 2009-08-19  Cary Coutant  <ccoutant@google.com>
1711
1712         * resolve.cc (Symbol_table::resolve): Don't complain about defined
1713         symbols in shared libraries overridden by hidden or internal symbols
1714         in the main program.
1715
1716 2009-08-19  Chris Demetriou  <cgd@google.com>
1717
1718         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
1719         checking source file names in error messages.
1720
1721 2009-08-18  Doug Kwan  <dougkwan@google.com>
1722
1723         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
1724         an elcpp::Ehdr as parameter.  Adjust call to set_target.
1725         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
1726         an elfcpp::Ehdr as parameter.
1727         * object.cc (Object::set_target): Remove the version that looks up
1728         a target and sets it.
1729         (Sized_relobj::setup): Take a Target object instead of
1730         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
1731         (make_elf_sized_object): Find target and ask target to
1732         make an ELF object.
1733         * object.h: (Object::set_target): Remove the version that looks up
1734         a target and sets it.
1735         (Sized_relobj::setup): Take a Target object instead of
1736         an elfcpp:Ehdr as parameter.
1737         * target.cc: Include dynobj.h.
1738         (Target::do_make_elf_object_implementation): New.
1739         (Target::do_make_elf_object): New.
1740         * target.h (Target::make_elf_object): New template declaration.
1741         (Target::do_make_elf_object): New method declarations.
1742         (Target::do_make_elf_object_implementation): New template declaration.
1743
1744 2009-08-14  Ian Lance Taylor  <iant@google.com>
1745
1746         * gold.h (FUNCTION_NAME): Define.
1747         (gold_unreachable): Use FUNCTION_NAME.
1748
1749 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
1750
1751         * icf.cc (Icf::find_identical_sections): Issue a warning when a
1752         symbol in the --keep-unique list is not found.
1753
1754 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
1755
1756         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
1757         been maked as --keep-unique.
1758         (Icf::unfold_section): New function.
1759         * icf.h (Icf::unfold_section): New function.
1760         * options.h (General_options::keep_unique): New option.
1761         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
1762         * testsuite/Makefile.in: Regenerate.
1763         * testsuite/icf_keep_unique_test.sh: New file.
1764         * testsuite/icf_keep_unique_test.cc: New file.
1765
1766 2009-08-12  Cary Coutant  <ccoutant@google.com>
1767
1768         PR 10471
1769         * resolve.cc (Symbol_table::resolve): Check for references from
1770         dynamic objects to hidden and internal symbols.
1771         * testsuite/Makefile.am (hidden_test.sh): New test.
1772         * testsuite/Makefile.in: Regenerate.
1773         * testsuite/hidden_test.sh: New script.
1774         * testsuite/hidden_test_1.c: New test source.
1775         * testsuite/hidden_test_main.c: New test source.
1776
1777 2009-08-11  Doug Kwan  <dougkwan@google.com>
1778
1779         * arm.cc: Update comments.
1780         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
1781         segment to locate the .ARM.exidx section if present.
1782
1783 2009-08-09  Doug Kwan  <dougkwan@google.com>
1784
1785         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
1786         patch.
1787
1788 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
1789         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
1790         compiler warnings.
1791
1792 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
1793
1794         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
1795         valid tls_segment only for non-debug-section relocations.
1796         * testsuite/Makefile.am: Add gc_tls_test.
1797         * testsuite/Makefile.in: Regenerate.
1798         * testsuite/gc_tls_test.cc: New file.
1799         * testsuite/gc_tls_test.sh: New file.
1800
1801 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
1802         
1803         * icf.cc: New file.
1804         * icf.h: New file.
1805         * Makefile.am (CCFILES): Add icf.cc.
1806         (HFILES): Add icf.h
1807         * Makefile.in: Regenerate.
1808         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
1809         * gc.h (gc_process_relocs): Populate lists used by icf to contain
1810         section, symbol and addend information for the relocs.
1811         * gold.cc (queue_middle_tasks): Call identical code folding.
1812         * gold.h: Add defines for multimap.
1813         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
1814         to the call of finalize_local_symbols.
1815         * main.cc (main): Create object of class Icf.
1816         * object.cc (Sized_relobj::do_layout): Allow this function to be
1817         called twice during icf.
1818         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
1819         to sections marked as identical by icf.
1820         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
1821         when available.
1822         (Sized_relobj::do_section_entsize): New function.
1823         * object.h (Object::section_entsize): New function.
1824         (Object::do_section_entsize): New pure virtual function.
1825         (Relobj::finalize_local_symbols): Add new parameter.
1826         (Relobj::do_section_entsize): New function.
1827         * options.h (General_options::icf): New option.
1828         (General_options::icf_iterations): New option.
1829         (General_options::print_icf_sections): New option.
1830         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
1831         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
1832         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
1833         icf.
1834         * symtab.cc (Symbol_table::is_section_folded): New function.
1835         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
1836         to sections marked as identical by icf.
1837         * symtab.h (Symbol_table::set_icf): New function.
1838         (Symbol_table::icf): New function.
1839         (Symbol_table::is_section_folded): New function.
1840         (Symbol_table::icf_): New data member.
1841         * target-reloc.h (relocate_section): Ignore sections folded by icf.
1842         * testsuite/Makefile.am: Add commands to build icf_test.
1843         * testsuite/Makefile.in: Regenerate.
1844         * testsuite/icf_test.sh: New file.
1845         * testsuite/icf_test.cc: New file.
1846
1847 2009-07-24  Chris Demetriou  <cgd@google.com>
1848
1849         * layout.cc (is_compressible_debug_section): Fix incorrect
1850         comment about compressed section names.
1851
1852 2009-07-20  Ian Lance Taylor  <ian@airs.com>
1853
1854         PR 10419
1855         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
1856
1857 2009-07-16  Ian Lance Taylor  <iant@google.com>
1858
1859         PR 10400
1860         * layout.h: #include <map>.
1861         (class Kept_section): Change from struct to class.  Add accessors
1862         and setters.  Add section size to Comdat_group mapping.  Change
1863         Comdat_group to std::map.  Add is_comdat_ field.  Add
1864         linkonce_size field in union.
1865         (class Layout): Update declaration of find_or_add_kept_section.
1866         Don't declare find_kept_object.
1867         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
1868         parameter.  Add object, shndx, is_comdat, and is_group_name
1869         parameters.  Change all callers.  Adjust for new Kept_section.
1870         (Layout::find_kept_object): Remove.
1871         * object.cc (Sized_relobj::include_section_group): Update use of
1872         Kept_section.  Rename secnum to shndx.  Only record
1873         Kept_comdat_section if sections are the same size.
1874         (Sized_relobj::include_linkonce_section): Update use of
1875         Kept_section.  Only record Kept_comdat_section if sections are the
1876         same size.  Set size of linkonce section.
1877         (Sized_relobj::map_to_kept_section): Update call to
1878         get_kept_comdat_section.
1879         * object.h (class Sized_relobj): Rename fields in
1880         Kept_comdat_section to drop trailing underscores; change object
1881         field to Relobj*.  Change Kept_comdat_section_table to store
1882         struct rather than pointer.
1883         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
1884         Add kept_object and kept_shndx parameters.  Change all callers.
1885         (Sized_relobj::get_kept_comdat_section): Change return type to
1886         bool.  Add kept_object and kept_shndx parameters.  Change all
1887         callers.
1888         * plugin.cc (Pluginobj::include_comdat_group): Update call to
1889         Layout::find_or_add_kept_section.
1890
1891 2009-07-09  Ian Lance Taylor  <iant@google.com>
1892
1893         * merge.cc (Object_merge_map::initialize_input_to_output_map):
1894         Reserve space in the hash table.
1895
1896 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
1897
1898         * fileread.cc (File_read::get_mtime): New method.
1899         * fileread.h (Timespec): New structure.
1900         (File_read::get_mtime): New method.
1901         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
1902         Renamed from timestamp_nsec.
1903         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
1904         Elf_Xword.
1905         (Incremental_inputs_entry_write::timestamp_usec): Renamed from 
1906         timestamp_nsec.
1907         (Incremental_inputs::report_archive): Save mtime; style fix. 
1908         (Incremental_inputs::report_obejct): Save mtime; style fix.
1909         (Incremental_inputs::report_script): Save mtime; style fix.
1910         (Incremental_inputs::finalize_inputs): Style fix.
1911         (Incremental_inputs::finalize): Style fix.
1912         (Incremental_inputs::create_input_section_data): Store inputs
1913         mtime.
1914         * incremental.h (Incremental_inputs::report_script): Add mtime
1915         argument.
1916         (Incremental_inputs::Input_info::Input_info): Intialize only one
1917         union member.
1918         (Incremental_inputs::Input_info::archive): Move to nameless
1919         union.
1920         (Incremental_inputs::Input_info::obejct): Move to nameless union.
1921         (Incremental_inputs::Input_info::script): Move to nameless union.
1922         (Incremental_inputs::mtime): New field.
1923         * script.cc (read_input_script): Pass file mtime to
1924         Incremental_input.
1925         * script.h (Script_info::inputs): Style fix.
1926
1927 2009-07-01  Ian Lance Taylor  <ian@airs.com>
1928
1929         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
1930         instead of 32.
1931
1932 2009-06-24  Ian Lance Taylor  <iant@google.com>
1933
1934         PR 10156
1935         * layout.cc (Layout::choose_output_section): If we find an
1936         existing section, update the flags.
1937         (Layout::create_notes): New function, broken out of
1938         Layout::finalize.
1939         (Layout::finalize): Don't create note sections.
1940         (Layout::create_note): Don't crash if linker script discards
1941         section.
1942         (Layout::create_gold_note): Likewise.
1943         (Layout::create_build_id): Likewise.  Don't set
1944         after_input_sections on the section.
1945         (Layout::create_executable_stack_info): Remove target parameter.
1946         Change caller.
1947         * layout.h (class Layout): Declare create_notes.  Update
1948         declaration of create_executable_stack_info.
1949         * gold.cc (queue_middle_tasks): Call create_notes.
1950         * output.cc (Output_section::update_flags_for_input_section): Move
1951         here from output.h.  If SHF_ALLOC flag is newly set, mark address
1952         invalid.
1953         * output.h (Output_data::mark_address_invalid): New function.
1954         (class Output_section): Only declare, not define,
1955         update_flags_for_input_section.  Remove set_flags.
1956
1957 2009-06-24  Ian Lance Taylor  <iant@google.com>
1958
1959         * script-sections.cc (Output_section_definition::
1960         set_section_addresses): Rename shadowing local load_address to
1961         laddr.
1962
1963 2009-06-24  Ian Lance Taylor  <iant@google.com>
1964
1965         PR 10244
1966         * reloc.cc (relocate_sections): Skip empty relocation sections.
1967
1968 2009-06-23  Ian Lance Taylor  <iant@google.com>
1969
1970         PR 10156
1971         * layout.cc (Layout::create_note): Use choose_output_section
1972         rather than make_output_section.
1973
1974 2009-06-23  Ian Lance Taylor  <iant@google.com>
1975
1976         PR 10237
1977         * options.cc (General_options::parse_V): Set printed_version_.
1978         (General_options::General_options): Initialize printed_version_.
1979         * options.h (class General_options): Add printed_version_ field.
1980         * gold.cc (queue_initial_tasks): If there are no input files,
1981         don't give a fatal error if we printed the version information.
1982         (queue_middle_tasks): If using -r with a shared object, give a
1983         fatal error rather than an ordinary error.
1984
1985 2009-06-23  Ian Lance Taylor  <iant@google.com>
1986
1987         PR 10219
1988         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
1989         (Layout::make_output_section): Set have_stabstr_section_ if we see
1990         a .stab*str section.
1991         (Layout::finalize): Call link_stabs_sections.
1992         (Layout::link_stabs_sections): New file.
1993         * layout.h (class Layout): Add have_stabstr_section_ field.
1994         Declare link_stabs_sections.
1995
1996 2009-06-23  Doug Kwan  <dougkwan@google.com>
1997
1998         * Makefile.am (libgold_a_LIBADD): New.
1999         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
2000         * Makefile.in: Regenerate.
2001         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
2002         * configure: Regenerate.
2003         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
2004         * fileread.cc: Include sys/state.h
2005         * gold.h: Declare memmem and strndup if found missing.
2006         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
2007
2008 2009-06-23  Ian Lance Taylor  <iant@google.com>
2009
2010         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
2011         * configure: Rebuild.
2012
2013 2009-06-23  Ian Lance Taylor  <iant@google.com>
2014
2015         PR 10147
2016         * object.cc (Object::section_contents): Don't try to get a view if
2017         the section has length zero.
2018         (Object::handle_gnu_warning_section): If the section is empty, use
2019         the name of the section as the warning.
2020
2021 2009-06-23  Ian Lance Taylor  <iant@google.com>
2022
2023         PR 10133
2024         * stringpool.h (class Stringpool_template): Add optimize_ field.
2025         (Stringpool_template::set_optimize): New function.
2026         * stringpool.cc (Stringpool_template::Stringpool_template):
2027         Initialize optimize_ field.
2028         (Stringpool_template::set_string_offsets): Test local optimize
2029         fild rather than parameter.
2030         * layout.cc (Layout::Layout): Call set_optimize on the section
2031         name stringpool.
2032
2033 2009-06-22  Ian Lance Taylor  <iant@google.com>
2034
2035         PR 10030
2036         * yyscript.y: Parse TARGET.
2037         * script.cc (script_set_target): New function.
2038         * script-c.h (script_set_target): Declare.
2039         * options.cc (General_options::string_to_object_format): Rename
2040         from string_to_object_format in anonymous namespace.  Change
2041         callers.
2042         * options.h (class General_options): Declare
2043         string_to_object_format.
2044
2045 2009-06-22  Ian Lance Taylor  <iant@google.com>
2046
2047         * script-sections.cc (Script_sections::create_segments): Don't put
2048         program headers in a PT_LOAD segment if -n or -N.
2049
2050 2009-06-22  Ian Lance Taylor  <iant@google.com>
2051
2052         PR 10141
2053         * options.h (class General_options): Add -z lazy and -z now.  Sort
2054         -z options into alphabetical order.
2055         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
2056
2057 2009-06-21  Ian Lance Taylor  <iant@google.com>
2058
2059         * layout.cc (Layout::make_output_section): Call
2060         Target::new_output_section.
2061         (Layout::attach_allocated_section_to_segment): Put large section
2062         sections in a separate load segment with the large segment flag
2063         set.
2064         (Layout::segment_precedes): Sort large data segments after other
2065         load segments.
2066         (align_file_offset): New static function.
2067         (Layout::set_segment_offsets): Use align_file_offset.
2068         * output.h (class Output_section): Add is_small_section_ and
2069         is_large_section_ fields.
2070         (Output_section::is_small_section): New function.
2071         (Output_section::set_is_small_section):  New function.
2072         (Output_section::is_large_section): New function.
2073         (Output_section::set_is_large_section): New function.
2074         (Output_section::is_large_data_section): New function.
2075         (class Output_segment): Add is_large_data_segment_ field.
2076         (Output_segment::is_large_data_segment): New function.
2077         (Output_segment::set_is_large_data_segment): New function.
2078         * output.cc (Output_section::Output_section): Initialize new
2079         fields.
2080         (Output_segment::Output_segment): Likewise.
2081         (Output_segment::add_output_section): Add assertion that large
2082         data sections always go in large data segments.  Force small data
2083         sections to the end of the list of data sections.  Force small BSS
2084         sections to the start of the list of BSS sections.  For large BSS
2085         sections to the end of the list of BSS sections.
2086         * symtab.h (class Symbol): Declare is_common_shndx.
2087         (Symbol::is_defined): Check Symbol::is_common_shndx.
2088         (Symbol::is_common): Likewise.
2089         (class Symbol_table): Define enum Commons_section_type.  Update
2090         declarations.  Add small_commons_ and large_commons_ fields.
2091         * symtab.cc (Symbol::is_common_shndx): New function.
2092         (Symbol_table::Symbol_table): Initialize new fields.
2093         (Symbol_table::add_from_object): Put small and large common
2094         symbols in the right list.
2095         (Symbol_table::sized_finalized_symbol): Check
2096         Symbol::is_common_shndx.
2097         (Symbol_table::sized_write_globals): Likewise.
2098         * common.cc (Symbol_table::do_allocate_commons): Allocate new
2099         common symbol lists.  Don't call do_allocate_commons_list if the
2100         list is empty.
2101         (Symbol_table::do_allocate_commons_list): Remove is_tls
2102         parameter.  Add comons_section_type parameter.  Change all
2103         callers.  Handle small and large common symbols.
2104         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
2105         Symbol::is_common_shndx.
2106         * resolve.cc (symbol_to_bits): Likewise.
2107         * target.h (Target::small_common_shndx): New function.
2108         (Target::small_common_section_flags): New function.
2109         (Target::large_common_shndx): New function.
2110         (Target::large_common_section_flags): New function.
2111         (Target::new_output_section): New function.
2112         (Target::Target_info): Add small_common_shndx, large_common_shndx,
2113         small_common_section_flags, and large_common_section_flags
2114         fields.
2115         (Target::do_new_output_section): New virtual function.
2116         * arm.cc (Target_arm::arm_info): Initialize new fields.
2117         * i386.cc (Target_i386::i386_info): Likewise.
2118         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
2119         Likewise.
2120         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
2121         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
2122         (Target_x86_64::do_new_output_section): New function.
2123         * configure.ac: Define conditional MCMODEL_MEDIUM.
2124         * testsuite/Makefile.am (check_PROGRAMS): Add large.
2125         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
2126         (large_LDFLAGS): Define.
2127         * testsuite/large.c: New file.
2128         * testsuite/testfile.cc (Target_test::test_target_info):
2129         Initialize new fields.
2130         * configure, testsuite/Makefile.in: Rebuild.
2131
2132 2009-06-05  Doug Kwan  <dougkwan@google.com>
2133
2134         * Makefile.am (CCFILES): Add target.cc.
2135         * Makefile.in: Regenerate. 
2136         * i386.cc (class Target_i386): Define new virtual method to
2137         override do_is_local_label_name in parent.
2138         * object.cc (Sized_relobj::do_count_local_symbols): Discard
2139         local symbols if --discard-locals or -X is given.
2140         * options.h (class General_options): Declare new options
2141         '--discard-locals' and '-X' for discarding locals.
2142         * target.h (class Target): Define new methods is_local_label_name.
2143         Declare new virtual method do_is_local_label_name.
2144         * target.cc: New file.
2145         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
2146         (check_SCRIPTS): Add discard_locals_test.sh.
2147         (check_DATA): Add discard_local_tests.syms.
2148         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
2149         (discard_local_tests.syms, discard_locals_test.o): New make rules.
2150         * testsuite/Makefile.in: Regenerate.
2151         * testsuite/discard_locals_test.c: New file.
2152         * testsuite/discard_locals_test.sh: Same.
2153
2154 2009-06-05  Doug Kwan  <dougkwan@google.com>
2155
2156         * object.cc (Sized_relobj::Sized_relobj): Initialize
2157         discarded_eh_frame_shndx_ to -1U.
2158         (Sized_relobj::do_layout): Record index of a discard .eh_frame
2159         section.
2160         (Sized_relobj::do_count_local_symbols): Skip local symbols in
2161         a discarded .eh_frame section.
2162         (Sized_relobj::do_finalize_local_symbols): Ditto.
2163         * object.h (class Sized_relobj): Declare new member
2164         discarded_eh_frame_shndx_.
2165         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
2166         (local_labels_test.o, local_labels_test): New rules.
2167         * testsuite/Makefile.in: Regenerate.
2168
2169 2009-06-04  Doug Kwan  <dougkwan@google.com>
2170
2171         * layout.cc (Layout::section_name_mapping): Add mapping for
2172         special ARM sections.
2173
2174 2009-06-03  Doug Kwan  <dougkwan@google.com>
2175
2176         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
2177         (utils::has_overflow): Same.
2178
2179 2009-06-03  Ian Lance Taylor  <iant@google.com>
2180
2181         * layout.cc (Layout::section_name_mapping): New array, replacing
2182         Layout::linkonce_mapping.
2183         (Layout::section_name_mapping_count): New variable, replacing
2184         Layout::linkonce_mapping_count.
2185         (Layout::linkonce_output_name): Remove.
2186         (Layout::output_section_name): Rewrite.
2187         * layout.h (class Layout): Rename Linkonce_mapping to
2188         Section_name_mapping, linkonce_mapping to section_name_mapping,
2189         linkonce_mapping_count to section_name_mapping_count.  Don't
2190         declare linkonce_output_name.
2191
2192 2009-06-03  Doug Kwan  <dougkwan@google.com>
2193
2194         * gold/arm.cc (namespace utils): New.
2195         (Target_arm::reloc_is_non_pic): Define new method.
2196         (class Arm_relocate_functions): New.
2197         (Target_arm::Relocate::relocate): Handle relocation types used by
2198         Android.
2199
2200 2009-06-03  Ian Lance Taylor  <iant@google.com>
2201
2202         * arm.cc (Target_arm::scan::global): Use || instead of |.
2203
2204 2009-06-02  Doug Kwan  <dougkwan@google.com>
2205
2206         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
2207         issued_non_pic_error_.
2208         (class Target_arm::Scan): Declare new method check_non_pic.
2209         Define new method symbol_needs_plt_entry.
2210         Declare new data member issued_non_pic_error_.
2211         (class Target_arm::Relocate): Declare new method
2212         should_apply_static_reloc.
2213         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
2214         (Target_arm::Scan::check_non_pic): Define new method.
2215         (Target_arm::Scan::local): Handle a small subset of reloc types used
2216         by Android.
2217         (Target_arm::Scan::local): Same.
2218         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
2219
2220 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
2221
2222         * incremental.cc (Incremental_inputs::report_command_line): Filter
2223         out --incremental-* options.
2224
2225 2009-05-29  Doug Kwan  <dougkwan@google.com>
2226
2227         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
2228         template class.
2229         (class Target_arm): Update comment.
2230         (Target_arm::Target_arm): Initialize new data members GOT_,
2231         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
2232         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
2233         and Target_arm::rel_dyn_section.
2234         Declare new_enum Target_arm::Got_type.
2235         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
2236         and DYNBSS_.
2237         Update commments for member do_dynsym_value.
2238         (Target_arm::got_size, Target_arm::plt_section,
2239         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
2240         new methods inside class defintion.
2241         (Target_arm::got_section): Define new method.
2242         (Target_arm::rel_dyn_section): Same.
2243         (Output_data_plt_arm): New template class.
2244         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
2245         (Output_data_plt_arm:do_adjust_output_section): Define new method.
2246         (Output_data_plt_arm::add_entry): Same.
2247         (Output_data_plt_arm::first_plt_entry): Define new
2248         static data member for PLT instruction template.
2249         (Output_data_plt_arm::plt_entry): Same.
2250         (Output_data_plt_arm::do_write): Define new method.
2251         (Target_arm::make_plt_entry): Same.
2252         (Target_arm::do_finalize_sections): Same.
2253         (Target_arm::do_dynsym_value): Same.
2254
2255 2009-05-28  Doug Kwan  <dougkwan@google.com>
2256
2257         * Makefile.am (TARGETSOURCES): Add arm.cc.
2258         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
2259         * Makefile.in: Regenerate.
2260         * arm.cc: New file.
2261         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
2262
2263 2009-05-26  Doug Kwan  <dougkwan@google.com>
2264
2265         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
2266         (General_options::check_excluded_libs): Strip off directories in
2267         archive name before matching like GNU ld does.
2268         * testsuite/Makefile.am (MOSTLYCLEANFILES,
2269         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
2270         (exclude_libs_test_LDFLAGS): Add linker option
2271         -Wl,--exclude-libs,libexclude_libs_test_3
2272         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
2273         an explicit archive without using -l.
2274         (alt/libexclude_libs_test_3.a): New make rule.
2275         * testsuite/Makefile.in: Regenerate.
2276         * testsuite/exclude_libs_test.c : Declare lib3_default().
2277         (main): Call it.
2278         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
2279         * exclude_libs_test_3.c: New file.
2280
2281 2009-05-26  Nick Clifton  <nickc@redhat.com>
2282
2283         * po/id.po: New Indonesian translation.
2284         * po/gold.pot: Updated template file.
2285
2286 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
2287
2288         * testsuite/Makefile.am: Add -ffunction-sections to compile 
2289         gc_comdat_test files.  Add -Wl,--gc-sections to build
2290         gc_comdat_test.
2291         * testsuite/Makefile.in: Regenerate.
2292         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
2293
2294 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
2295
2296         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
2297         kept comdat section was garbage collected.
2298         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
2299         * testsuite/Makefile.in: Regenerate.
2300         * testsuite/gc_comdat_test.sh: New file.
2301         * testsuite/gc_comdat_test_1.cc: New file.
2302         * testsuite/gc_comdat_test_2.cc: New file.
2303
2304 2009-05-19  Doug Kwan  <dougkwan@google.com>
2305
2306         * archive.cc (Archive::Archive): Move constructor from archive.h
2307         to here.  Initialize no_export_.
2308         (Archive::get_elf_object_for_member): Set no_export flag of object.
2309         * archive.h (Archive::Archive): Move constructor body to
2310         archive.cc.
2311         (Archive::no_export): New method.
2312         (Archive::no_export_): New field.
2313         * object.h (Object::Object): Initialize no_export_ to false.
2314         (Object::no_export, Object::set_no_export): New methods.
2315         (Object::no_export_): New field.
2316         * options.cc (General_options::parse_exclude_libs): New method.
2317         (General_options::check_excluded_libs) Same.
2318         * options.h (exclude_libs): New option.
2319         (General_options::check_excluded_libs): New method declaration.
2320         (General_options::excluded_libs_): New field.
2321         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
2322         default or protected visibility if an object has no-export flag set.
2323         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
2324         (check_SCRIPTS): Add exclude_libs_test.sh.
2325         (check_DATA): Add exclude_libs_test.syms.
2326         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
2327         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
2328         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
2329         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
2330         (exclude_libs_test.syms, libexclude_libs_test_1.a,
2331         libexclude_libs_test_2.a): New rules.
2332         * testsuite/Makefile.in: Regenerate.
2333         * testsuite/exclude_libs_test.c: New file.
2334         * testsuite/exclude_libs_test.sh: Ditto.
2335         * testsuite/exclude_libs_test_1.c: Ditto.
2336         * testsuite/exclude_libs_test_2.c: Ditto.
2337
2338 2009-05-15  Ian Lance Taylor  <iant@google.com>
2339
2340         * configure.ac: Check for declarations for cases where libiberty.h
2341         checks HAVE_DECL_xxx.
2342         * configure, config.in: Rebuild.
2343
2344 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
2345
2346         * gold.h (Incremental_argument_list): Remove (invalid) forward
2347         declaration.
2348         * incremental.cc (Incremental_inputs::report_achive): New method.
2349         (Incremental_inputs::report_object): New method.
2350         (Incremental_inputs::report_script): New method.
2351         (Incremental_inputs::finalize_inputs): New method.
2352         (Incremental_inputs::finalize): Call finalize_inputs().
2353         (Incremental_inputs::sized_create_incremental_inputs_section_data):
2354         Create inputs entries.
2355         * incremental.h (Incremental_input_type): New enum.
2356         (Incremental_inputs::Incremental_input): Initialize new fields.
2357         (Incremental_inputs::report_inputs): New method.
2358         (Incremental_inputs::report_achive): New method.
2359         (Incremental_inputs::report_object): New method.
2360         (Incremental_inputs::report_script): New method.
2361         (Incremental_inputs::finalize_inputs): New method.
2362         (Incremental_inputs::Input_info): New struct.
2363         (Incremental_inputs::Input_info_map): New typedef.
2364         (Incremental_inputs::lock_): New field.
2365         (Incremental_inputs::Inputs_): New field.
2366         (Incremental_inputs::Inputs_map): New field.
2367         * main.cc (main): Call Incremental_input::report_inputs.
2368         * options.h (Input_argument_list): Typedef moved from
2369         Input_arguments.
2370         (Input_file_group::Files): Remove, use ::Input_argument_list.
2371         (Input_file_group::Input_argument_list): Remove, use
2372         ::Input_argument_list.
2373         * plugin.cc (Plugin_manager::add_input_file): Add error in
2374         incremental build.
2375         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
2376         functions.
2377         * script.cc (read_input_script): Call
2378         Incremental_input::report_script.
2379         * script.h (Script_info): New class.
2380
2381 2009-04-27  Ian Lance Taylor  <iant@google.com>
2382
2383         * x86_64.cc (do_adjust_output_section): Set entsize to
2384         plt_entry_size.
2385
2386 2009-04-23  Elliott Hughes  <enh@google.com>
2387
2388         * output.cc (Output_file::close): After short writes, continue
2389         writing from the correct offset in the buffer being written.
2390
2391 2009-04-23  Chris Demetriou  <cgd@google.com>
2392
2393         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
2394         * configure: Regenerate.
2395         * config.in: Regenerate.
2396         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
2397         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
2398
2399 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
2400
2401         * incremental.cc (Incremental_inputs_header_data): Renamed from
2402         Incremental_input_header_data.
2403         (Incremental_inputs_header_data::data_size): New field.
2404         (Incremental_inputs_header_data::put_input_file_count): Renamed
2405         from input_file_count.
2406         (Incremental_inputs_header_data::put_command_line_offset): Renamed
2407         from command_line_offset.
2408         (Incremental_inputs_header_data::put_reserved): Renamed from
2409         put_reserved.
2410         (Incremental_inputs_entry_data): Renamed from
2411         Incremental_input_entry_data.
2412         (Incremental_inputs_entry_data::data_size): New field.
2413         (Incremental_inputs::report_command_line): New method.
2414         (Incremental_inputs::finalize): New method.
2415         (Incremental_inputs::create_incremental_inputs_data): New method.
2416         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
2417         * incremental.h: New file.
2418         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
2419        (Layout::finalize): Create incremental inputs section in
2420         incremental builds.
2421        (Layout::create_incremental_info_sections): New method.
2422         * layout.h (Layout::incremental_inputs): New method.
2423        (Layout::create_incremental_info_sections): New method.
2424        (Layout::incremental_inputs_): New field.
2425         * main.cc (main): Notify Incremental_input of the command line.
2426
2427 2009-04-01  Ian Lance Taylor  <iant@google.com>
2428             Mikolaj Zalewski  <mikolajz@google.com>
2429
2430         * gold.h (reserve_unordered_map): Define, three versions, one for
2431         each version of Unordered_map.
2432         * layout.cc (Layout::Layout): Remove options parameter.  Add
2433         number_of_input_files parameter.  Don't initialize options_.
2434         Initialize number_of_input_files_ and resized_signatures_.  Move
2435         sections_are_attached_.
2436         (Layout::layout_group): Reserve space for group_signatures_.
2437         (Layout::find_or_add_kept_section): Change name parameter to be a
2438         reference.  Resize signatures_ map when it gets large enough.
2439         (Layout::layout_eh_frame): Use parameters->options() instead of
2440         this->options_.
2441         (Layout::make_output_section): Likewise.
2442         (Layout::attach_allocated_section_to_segment): Likewise.
2443         (Layout::finalize, Layout::create_executable_stack): Likewise.
2444         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
2445         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
2446         * layout.h (class Layout): Update declarations.  Remove options_
2447         field.  Add number_of_input_files_ and resized_signatures_
2448         fields.  Move sections_are_attached_ field.
2449         * main.cc (main): Pass number of input files to Layout
2450         constructor.  Don't pass options.
2451
2452 2009-03-30  Ian Lance Taylor  <iant@google.com>
2453
2454         * ffsll.c (ffsll): Correct implementation.
2455
2456 2009-03-27  Ian Lance Taylor  <iant@google.com>
2457
2458         * ffsll.c: New file.
2459         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
2460         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
2461         * ftruncate.c (ftruncate): Declare before definition.
2462         * mremap.c (mremap): Likewise.
2463         * pread.c (pread): Likewise.
2464         * configure, Makefile.in, config.in: Rebuild.
2465
2466         * mremap.c: New file.
2467         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
2468         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
2469         (mremap): Declare if HAVE_MREMAP is not defined.
2470         * configure, Makefile.in, config.in: Rebuild.
2471
2472 2009-03-27  Cary Coutant  <ccoutant@google.com>
2473
2474         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
2475         position independent.
2476         * sparc.cc (Target_sparc::check_non_pic): Likewise.
2477         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
2478
2479 2009-03-24  Cary Coutant  <ccoutant@google.com>
2480
2481         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
2482         an executable.
2483         (needs_dynamic_reloc): Likewise.
2484
2485 2009-03-24  Ian Lance Taylor  <iant@google.com>
2486
2487         * yyscript.y (file_cmd): Recognize EXTERN.
2488         (extern_name_list, extern_name_list_body): New nonterminals.
2489         * script.cc (script_add_extern): Define.
2490         * script-c.h (script_add_extern): Declare.
2491
2492 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
2493
2494         * object.cc (is_elf_object): Define.
2495         * object.h (is_elf_object): Declare.
2496         * archive.cc (Archive::get_elf_object_for_member): Call
2497         is_elf_object.
2498         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
2499
2500 2009-03-24  Elliott Hughes  <enh@google.com>
2501
2502         * output.cc (Output_file::map_anonymous): Define.
2503         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
2504         try an anonymous one.  Report the size if the mmap fails.
2505         * output.h (class Output_file): Declare map_anonymous.
2506
2507 2009-03-24  Ian Lance Taylor  <iant@google.com>
2508
2509         * target-select.cc (instantiate_target): Don't acquire the lock if
2510         the instantiated_target_ field has already been set.
2511
2512 2009-03-23  Ian Lance Taylor  <iant@google.com>
2513
2514         * gold-threads.h (class Initialize_lock): Define.
2515         * gold-threads.cc (class Initialize_lock_once): Define.
2516         (initialize_lock_control): New static variable.
2517         (initialize_lock_pointer): New static variable.
2518         (initialize_lock_once): New static function.
2519         (Initialize_lock::Initialize_lock): Define.
2520         (Initialize_lock::initialize): Define.
2521         * target-select.h: Include "gold-threads.h".
2522         (class Target_selector): Add lock_ and initialize_lock_ fields.
2523         Don't define instantiate_target, just declare it.
2524         * target-select.cc (Target_selector::Target_selector): Initialize
2525         new fields.
2526         (Target_selector::instantiate_target): Define.
2527         * descriptors.h: Include "gold-threads.h".
2528         (class Descriptors): Add initialize_lock_ field.
2529         * descriptors.cc (Descriptors::Descriptors): Initialize new
2530         field.
2531         (Descriptors::open): Use initialize_lock_ field
2532         * errors.h (class Errors): Add initialize_lock_ field.
2533         * errors.cc (Errors::Errors): Initialize new field.
2534         (Errors::initialize_lock): Use initialize_lock_ field.
2535         * powerpc.cc (class Target_selector_powerpc): Remove
2536         instantiated_target_ field.  In do_recognize call
2537         instantiate_target rather than do_instantiate_target.  In
2538         do_instantiate_target just allocate a new target.
2539         * sparc.cc (class Target_selector_sparc): Likewise.
2540
2541         * freebsd.h: New file.
2542         * i386.cc: Include "freebsd.h".
2543         (Target_i386): Derive from Target_freebsd rather than
2544         Sized_target.
2545         (Target_selector_i386): Derive from Target_selector_freebsd rather
2546         than Target_selector.
2547         * x86_64.cc: Include "freebsd.h".
2548         (Target_x86_64): Derive from Target_freebsd rather than
2549         Sized_target.
2550         (Target_selector_x86_64): Derive from Target_selector_freebsd
2551         rather than Target_selector.
2552         * target.h (class Target): Add adjust_elf_header and
2553         do_adjust_elf_header.
2554         * output.cc (Output_file_header:: do_sized_write): Call target
2555         adjust_elf_header routine.
2556         * configure.tgt: Set targ_osabi.
2557         * configure.ac: Define GOLD_DEFAULT_OSABI.
2558         * parameters.cc (Parameters::default_target): Pass
2559         GOLD_DEFAULT_OSABI to select_target.
2560         * target-select.h (class Target_selector): Make instantiate_target
2561         protected rather than private.
2562         * Makefile.am (HFILES): Add freebsd.h.
2563         * configure, Makefile.in, config.in: Rebuild.
2564
2565         * merge.cc (do_add_input_section): Correct pend value.  Change
2566         message about last entry not being null terminated from error to
2567         warning.
2568
2569 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
2570
2571         * incremental.cc: New file.
2572         * Makefile.am (CCFILES): Add incremental.cc.
2573         * Makefile.in: Rebuild.
2574
2575 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
2576
2577         * layout.cc (Layout::output_section_name): Preserve names
2578         of '.note.' sections.
2579         
2580 2009-03-19  Ian Lance Taylor  <iant@google.com>
2581
2582         * descriptors.cc (Descriptors::open): Check that the options are
2583         valid before using them.
2584
2585 2009-03-18  Ian Lance Taylor  <iant@google.com>
2586
2587         * script-sections.h: Include <list>.
2588         (class Script_sections): Change Sections_elements from std::vector
2589         to std::list.  Typedef public Elements_iterator.  Add
2590         orphan_section_placement_, data_segment_align_start_, and
2591         saw_data_segment_align_ fields.  Remove data_segment_align_index_
2592         field.
2593         * script-sections.cc (class Orphan_section_placement): New class.
2594         (class Sections_element): Add virtual functions is_relro and
2595         orphan_section_init.  Remove virtual function place_orphan_here.
2596         (class Output_section_definition): Add is_relro and
2597         orphan_section_init.  Remove place_orphan_here.
2598         (class Orphan_output_section): Likewise.
2599         (Script_sections::Script_sections): Update for field changes.
2600         (Script_sections::data_segment_align): Set saw_data_segment_align_
2601         and data_segment_align_start_, not data_segment_align_index.
2602         (Script_sections::data_segment_relro_end): Check
2603         saw_data_segment_align_.  Use data_segment_align_start_ rather
2604         than data_segment_align_index_.
2605         (Script_sections::place_orphan): Rewrite to use
2606         Orphan_section_placement.
2607
2608 2009-03-17  Ian Lance Taylor  <iant@google.com>
2609
2610         * archive.cc (Archive::add_symbols): Check for a version attached
2611         to the symbol name in the archive map.
2612         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
2613         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
2614         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
2615         (ver_test_11.a): New target.
2616         * testsuite/Makefile.in: Rebuild.
2617
2618         * configure.ac: Check for chsize and posix_fallocate.  Replace
2619         ftruncate.
2620         * ftruncate.c: New file, from gnulib.
2621         * output.cc (posix_fallocate): Define dummy version if not
2622         HAVE_POSIX_FALLOCATE.
2623         (Output_file::map): Call posix_fallocate rather than lseek and
2624         write.
2625         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
2626         * configure, Makefile.in, config.in: Rebuild.
2627
2628 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
2629         
2630         * layout.h (Layout::create_note): Add section_name parameter.
2631         * layout.cc (Layout::create_note): Likewise.
2632         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
2633         
2634 2009-03-17  Ian Lance Taylor  <iant@google.com>
2635
2636         * descriptors.cc: Include "options.h".
2637         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
2638         (Descriptors::open): Always use O_CLOEXEC when opening a new
2639         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
2640         then set FD_CLOEXEC.
2641
2642         * sparc.cc (class Target_sparc): Add has_got_section.
2643         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
2644         make sure we have a GOT section.
2645
2646         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
2647         (Target_sparc::Scan::local): Likewise.
2648         (Target_sparc::Scan::global): Likewise.
2649         (Target_sparc::Relocate::relocate): Likewise.
2650         (Target_sparc::Relocate::relocate_tls): Likewise.
2651
2652         * symtab.cc (Symbol_table::define_default_version): New function,
2653         broken out of add_from_object.
2654         (Symbol_table::add_from_object): Call define_default_version.
2655         (Symbol_table::define_special_symbol): Add resolve_oldsym
2656         parameter.  Change all callers.  If the version for a symbol comes
2657         from a version script, resolve it with the symbol with the same
2658         name with no version.  Also add the symbol without a version if
2659         appropriate.
2660         (do_define_in_output_data): If resolving with oldsym, don't delete
2661         sym.
2662         (do_define_in_output_segment): Likewise.
2663         (do_define_as_constant): Likewise.
2664         * symtab.h (class Symbol_table): Update declarations.
2665
2666 2009-03-13  Ian Lance Taylor  <iant@google.com>
2667
2668         * readsyms.cc (Read_symbols::incompatible_warning): New function.
2669         (Read_symbols::requeue): New function.
2670         (Read_symbols::do_read_symbols): If make_elf_object fails because
2671         the target type is not configured, and the file was searched for,
2672         issue a warning and retry with the next directory.
2673         (Add_symbols::run): If the file has an incompatible format, and
2674         it was searched for, requeue the Read_symbols task.  On error,
2675         release the object.
2676         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
2677         dirindex parameter to constructor.  Change all callers.  Declare
2678         incompatible_warning and requeue.
2679         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
2680         input_argument_ and input_group_ fields.  Add them to
2681         constructor.  Change all callers.
2682         (class Read_script): Add dirindex_ field.  Add it to constructor.
2683         Change all callers.
2684         * archive.cc (Archive::setup): Remove input_objects parameter.
2685         Change all callers.
2686         (Archive::get_file_and_offset): Likewise.
2687         (Archive::read_all_symbols): Likewise.
2688         (Archive::read_symbols): Likewise.
2689         (Archive::get_elf_object_for_member): Remove input_objects
2690         parameter.  Add punconfigured parameter.  Change all callers.
2691         (Archive::add_symbols): Change return type to bool.  Check return
2692         value of include_member.
2693         (Archive::include_all_members): Likewise.
2694         (Archive::include_member): Change return type to bool.  Return
2695         false if first included object has incompatible target.  Set
2696         included_member_ field.
2697         (Add_archive_symbols::run): If add_symbols returns false, requeue
2698         Read_symbols task.
2699         * archive.h (class Archive): Add included_member_ field.
2700         Initialize it in constructor.  Add input_file and searched_for
2701         methods.  Update declarations.
2702         (class Add_archive_symbols): Add dirpath_, dirindex_, and
2703         input_argument_ fields.  Add them to constructor.  Change all
2704         callers.
2705         * script.cc: Include "target-select.h".
2706         (class Parser_closure): Add skip_on_incompatible_target_ and
2707         found_incompatible_target_ fields.  Add
2708         skip_on_incompatible_target parameter to constructor.  Change all
2709         callers.  Add methods skip_on_incompatible_target,
2710         clear_skip_on_incompatible_target, found_incompatible_target, and
2711         set_found_incompatible_target.
2712         (read_input_script): Add dirindex parameter.  Change all callers.
2713         If parser finds an incompatible target, requeue Read_symbols
2714         task.
2715         (script_set_symbol): Clear skip_on_incompatible_target in
2716         closure.
2717         (script_add_assertion, script_parse_option): Likewise.
2718         (script_start_sections, script_add_phdr): Likewise.
2719         (script_check_output_format): New function.
2720         * script.h (read_input_script): Update declaration.
2721         * script-c.h (script_check_output_format): Declare.
2722         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
2723         (ignore_cmd): Remove OUTPUT_FORMAT.
2724         * fileread.cc (Input_file::Input_file): Add explicit this.
2725         (Input_file::will_search_for): New function.
2726         (Input_file::open): Add pindex parameter.  Change all callers.
2727         * fileread.h (class Input_file): Add input_file_argument method.
2728         Declare will_search_for.  Update declarations.
2729         * object.cc (make_elf_object): Add punconfigured parameter.
2730         Change all callers.
2731         * object.h (class Object): Make input_file public.  Add
2732         searched_for method.
2733         (make_elf_object): Update declaration.
2734         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
2735         restart search.
2736         * dirsearch.h (class Dirsearch): Update declaration.
2737         * options.h (class General_options): Add --warn-search-mismatch.
2738         * parameters.cc (Parameters::is_compatible_target): New function.
2739         * parameters.h (class Parameters): Declare is_compatible_target.
2740         * workqueue.cc (Workqueue::add_blocker): New function.
2741         * workqueue.h (class Workqueue): Declare add_blocker.
2742
2743         * fileread.cc (Input_file::open): Remove options parameter.
2744         Change all callers.
2745         (Input_file::open_binary): Likewise.
2746         * script.cc (read_input_script): Likewise.
2747         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
2748         options parameter from constructor.  Change all callers.
2749         (class Read_script): Likewise.
2750         * fileread.h (class Input_file): Update declarations.
2751         * script.h (read_input_script): Update declaration.
2752
2753 2009-03-10  Nick Clifton  <nickc@redhat.com>
2754
2755         * po/es.po: New Spanish translation.
2756
2757 2009-03-06  Cary Coutant  <ccoutant@google.com>
2758
2759         * options.cc (parse_short_option): Keep dash_z from registering itself.
2760
2761 2009-03-03  Ian Lance Taylor  <iant@google.com>
2762
2763         PR 9918
2764         * target-reloc.h (relocate_section): Pass output_section to
2765         relocate.
2766         * i386.cc (Target_i386::should_apply_static_reloc): Add
2767         output_section parameter.  Change all callers.
2768         (Target_i386::Relocate::relocate): Add output_section parameter.
2769         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
2770         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
2771         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
2772         * testsuite/two_file_shared.sh: New script.
2773         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
2774         (check_DATA): Add two_file_shared.dbg.
2775         (two_file_shared.dbg): New target.
2776         * testsuite/Makefile.in: Rebuild.
2777
2778 2009-03-01  Ian Lance Taylor  <iant@google.com>
2779
2780         * configure.ac: Check for byteswap.h.
2781         * configure: Rebuild.
2782         * config.in: Rebuild.
2783
2784 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
2785
2786         * layout.cc (Layout::find_or_add_kept_section): New function.
2787         (Layout::add_comdat): Removed.
2788         * layout.h (struct Kept_section): Move out of class Layout.
2789         Remove trailing underscores from field names.  Add group_sections
2790         field.  Rename group_ field to is_group.  Change all uses.
2791         (class Layout): Declare find_or_add_kept_section, not add_comdat.
2792         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
2793         comdat_groups_ field.
2794         (Sized_relobj::include_section_group): Use
2795         find_or_add_kept_section and Kept_section::group_sections.
2796         (Sized_relobj::include_linkonce_section): Likewise.
2797         * object.cc (class Sized_relobj): Don't define Comdat_group or
2798         Comdat_group_table.  Remove find_comdat_group and
2799         add_comdat_group.  Remove comdat_groups_ field.
2800         * plugin.cc (include_comdat_group): Use
2801         Layout::find_or_add_kept_section.
2802
2803 2009-02-28  Ian Lance Taylor  <iant@google.com>
2804
2805         * README: --gc-sections and map files are now supported.  Document
2806         some build requirements.
2807
2808         PR 6992
2809         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
2810         relocatable link set the value of the section symbol to zero.
2811         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
2812         relocatable link don't include the section address in the local
2813         symbol value.
2814
2815 2009-02-27  Ian Lance Taylor  <iant@google.com>
2816
2817         PR 6811
2818         * options.h (class Search_directory): Add is_system_directory.
2819         (class General_options): Declare is_in_system_directory.
2820         * options.cc (get_relative_sysroot): Make static.
2821         (get_default_sysroot): Make static.
2822         (General_optoins::is_in_system_directory): New function.
2823         * fileread.cc (Input_file::is_in_system_directory): New function.
2824         * fileread.h (class Input_file): Declare is_in_system_directory.
2825         * object.h (class Object): Add is_in_system_directory.
2826         (class Input_objects): Remove system_library_directory_ field.
2827         * object.cc (Input_objects::add_object): Don't set
2828         system_library_directory_.
2829         (input_objects::found_in_system_library_directory): Remove.
2830         * symtab.cc (Symbol_table::write_globals): Remove input_objects
2831         parameter.  Change all callers.
2832         (Symbol_table::sized_write_globals): Likewise.
2833         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
2834         Call Object::is_in_system_directory.
2835         * symtab.h (class Symbol_table): Update declarations.
2836
2837         PR 5990
2838         * descriptors.h (Open_descriptor): Add is_on_stack field.
2839         * descriptors.cc (Descriptors::open): If the descriptor is on the
2840         top of the stack, remove it.  Initialize is_on_stack field.
2841         (Descriptors::release): Only add pod to stack if it is not on the
2842         stack already.
2843         (Descriptors::close_some_descriptor): Clear stack_next and
2844         is_on_stack fields.
2845
2846         PR 7091
2847         * output.cc (Output_section::find_starting_output_address): Rename
2848         from starting_output_address; add PADDR parameter; change return
2849         type.
2850         * output.h (class Output_section): Declare
2851         find_starting_output_address instead of starting_output_address.
2852         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
2853         section symbol for which we can't find a merge section.
2854
2855         PR 9836
2856         * symtab.cc (Symbol_table::add_from_object): If the visibility is
2857         hidden or internal, force the symbol to be local.
2858         * resolve.cc (Symbol::override_visibility): Define.
2859         (Symbol::override_base): Use override_visibility.
2860         (Symbol_table::resolve): Likewise.
2861         (Symbol::override_base_with_special): Likewise.
2862         (Symbol_table::override_with_special): If the visibility is hidden
2863         or internal, force the symbol to be local.
2864         * symtab.h (class Symbol): Add set_visibility and
2865         override_visibility.
2866         * testsuite/ver_test_1.sh: New file.
2867         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
2868         (check_DATA): Add ver_test_1.syms.
2869         (ver_test_1.syms): New target.
2870         * testsuite/Makefile.in: Rebuild.
2871
2872 2009-02-25  Cary Coutant  <ccoutant@google.com>
2873
2874         * layout.cc (Layout::choose_output_section): Don't rename sections
2875         when using a linker script that has a SECTIONS clause.
2876         * Makefile.in: Regenerate.
2877
2878         * testsuite/Makefile.am (script_test_5.sh): New test case.
2879         * testsuite/Makefile.in: Regenerate.
2880         * testsuite/script_test_5.cc: New file.
2881         * testsuite/script_test_5.sh: New file.
2882         * testsuite/script_test_5.t: New file.
2883
2884 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
2885
2886         * archive.cc (Archive::include_member): Update calls to add_symbols.
2887         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
2888         the Layout argument.
2889         * dynobj.h (do_add_symbols): Add the Layout argument.
2890         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
2891         Layout argument.
2892         * object.h (Object::add_symbols): Add the Layout argument.
2893         (Object::do_add_symbols): Add the Layout argument.
2894         (Sized_relobj::do_add_symbols): Add the Layout argument.
2895         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
2896         Unify the two versions.
2897         (Add_plugin_symbols): Remove.
2898         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
2899         (Sized_pluginobj::do_add_symbols): Unify the two versions.
2900         (Add_plugin_symbols): Remove.
2901         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
2902         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
2903         (Add_symbols::run): Make it work with Pulginobj.
2904
2905 2009-02-06  Ian Lance Taylor  <iant@google.com>
2906
2907         * object.cc (Sized_relobj::do_layout): Make info message start
2908         with lower case letter.
2909
2910 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
2911
2912         * binary.cc: Fix file comment.
2913
2914         * options.h (enum Incremental_disposition): Define.
2915         (class General_options): Add new options: --incremental,
2916         --incremental_changed, --incremental_unchanged,
2917         --incremental_unknown.  Add incremental_disposition_ and
2918         implicit_incremental_ fields.
2919         (General_options::incremental_disposition): New function.
2920         (class Position_dependent_options): Add incremental_disposition
2921         option.
2922         (Position_dependent_options::copy_from_options): Set incremental
2923         dispositions.
2924         * options.cc (General_options::parse_incremental_changed): New
2925         function.
2926         (General_options::parse_incremental_unchanged): New function.
2927         (General_options::parse_incremental_unknown): New function.
2928         (General_options::General_options): Initialize new fields
2929         incremental_disposition_ and implicit_incremental_.
2930         (General_options::finalize): Check for uasge of --incremental-*
2931         without --incremental.
2932
2933 2009-02-06  Chris Demetriou  <cgd@google.com>
2934
2935         * gold.h (gold_undefined_symbol): Change to take only a Symbol
2936         pointer and to report location as the file name associated with
2937         the symbol.
2938         (gold_undefined_symbol_at_location): New function to replace the
2939         old gold_undefined_symbol functionality.
2940         * target-reloc.h (relocate_section): Update to use
2941         gold_undefined_symbol_at_location.
2942         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
2943         Call gold_undefined_symbol function rather than gold_error.
2944         * errors.h (Errors::undefined_symbol): Take location as a
2945         string, rather than calculating it from a relocation.
2946         * errors.cc (Errors::fatal): Print "fatal error:" before the
2947         formatted message.
2948         (Errors::error, Errors::error_at_location): Print "error: "
2949         before the formatted message.
2950         (Errors::undefined_symbol): Take location as a string, rather
2951         than calculating it from a relocation.
2952         (gold_undefined_symbol_at_location): New function akin to
2953         old gold_undefined_symbol, calculates location from relocation.
2954         (gold_undefined_symbol): Change to take only a Symbol pointer
2955         and to report location as the file name associated with the symbol.
2956         * testsuite/debug_msg.sh: Update for changed error messages.
2957         * testsuite/undef_symbol.sh: Likewise.
2958
2959 2009-02-04  Duncan Sands  <baldrick@free.fr>
2960
2961         PR 9812
2962         * reduced_debug_output.h
2963         (Output_reduced_debug_abbrev_section::failed): Use format for
2964         gold_warning.
2965         (Output_reduced_debug_info_section::faild): Likewise.
2966
2967 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
2968
2969         * script.cc (Lazy_demangler): New class.
2970         (Version_script_info::get_symbol_version_helper): Demangle a
2971         symbol only once.
2972
2973 2009-01-29  Cary Coutant  <ccoutant@google.com>
2974
2975         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
2976         to __tls_get_addr.
2977         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
2978
2979 2009-01-28  Ian Lance Taylor  <iant@google.com>
2980
2981         * version.cc (version_string): Bump to 1.9.
2982
2983         * gold.h: Include <cstring> and <stdint.h>.
2984         * version.cc: Include <cstdio>.
2985         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
2986         warning.
2987         * reduced_debug_output.cc (insert_into_vector): Rename from
2988         Insert_into_vector; change all callers.  Use Swap_unaligned to
2989         avoid aliasing issue; remove union since it is unnecessary.
2990
2991 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
2992
2993         * Makefile.am (CCFILES): Add gc.cc.
2994         (HFILES): Add gc.h.
2995         * Makefile.in: Regenerate.
2996         * gold.cc (Gc_runner): New class.
2997         (queue_initial_tasks): Call garbage collection related tasks
2998         when corresponding options are invoked.
2999         (queue_middle_gc_tasks): New function.
3000         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
3001         processed early before laying out sections during garbage collection.
3002         * gold.h (queue_middle_gc_tasks): New function.
3003         (is_prefix_of): Move from "layout.cc".
3004         * i386.cc (Target_i386::gc_process_relocs): New function.
3005         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
3006         * main.cc (main): Create object of class "Garbage_collection".
3007         * object.cc (Relobj::copy_symbols_data): New function.
3008         (Relobj::is_section_name_included): New function.
3009         (Sized_relobj::do_layout): Allow this function to be called twice 
3010         during garbage collection and defer layout of section during the 
3011         first call.
3012         * object.h (Relobj::get_symbols_data): New function.
3013         (Relobj::is_section_name_included): New function.
3014         (Relobj::copy_symbols_data): New function.
3015         (Relobj::set_symbols_data): New function.
3016         (Relobj::get_relocs_data): New function.
3017         (Relobj::set_relocs_data): New function.
3018         (Relobj::is_output_section_offset_invalid): New pure virtual function.
3019         (Relobj::gc_process_relocs): New function.
3020         (Relobj::do_gc_process_relocs): New pure virtual function.
3021         (Relobj::sd_): New data member.
3022         (Sized_relobj::is_output_section_offset_invalid): New function.
3023         (Sized_relobj::do_gc_process_relocs): New function.
3024         * options.h (General_options::gc_sections): Modify to not be a no-op.
3025         (General_options::print_gc_sections): New option.
3026         * plugin.cc (Plugin_finish::run): Remove function call to
3027         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
3028         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
3029         * reloc.cc (Read_relocs::run): Add task to process relocs and
3030         determine unreferenced sections when doing garbage collection.
3031         (Gc_process_relocs): New class.
3032         (Sized_relobj::do_gc_process_relocs): New function.
3033         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
3034         sections that are garbage collected.
3035         * reloc.h (Gc_process_relocs): New class.
3036         * sparc.cc (Target_sparc::gc_process_relocs): New function.
3037         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
3038         symbols whose corresponding sections are garbage collected.
3039         (Symbol_table::Symbol_table): Add new parameter for the garbage
3040         collection object.
3041         (Symbol_table::gc_mark_undef_symbols): New function.
3042         (Symbol_table::gc_mark_symbol_for_shlib): New function.
3043         (Symbol_table::gc_mark_dyn_syms): New function.
3044         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
3045         as garbage.
3046         (Symbol_table::add_from_object): Likewise.
3047         (Symbol_table::add_from_relobj): When building shared objects, do not
3048         treat externally visible symbols as garbage.
3049         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
3050         table information for static and relocatable links.
3051         * symtab.h (Symbol_table::set_gc): New function.
3052         (Symbol_table::gc): New function.
3053         (Symbol_table::gc_mark_undef_symbols): New function.
3054         (Symbol_table::gc_mark_symbol_for_shlib): New function.
3055         (Symbol_table::gc_mark_dyn_syms): New function.
3056         (Symbol_table::gc_): New data member.
3057         * target.h (Sized_target::gc_process_relocs): New pure virtual 
3058         function.
3059         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
3060         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
3061
3062 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
3063
3064         * options.h (General_options::gc_sections): Define as a no-op for now.
3065         (General_options::no_keep_memory): Ditto.
3066         (General_options::Bshareable): Define.
3067         * options.cc (General_options::finalize): Honor -Bshareable.
3068
3069 2009-01-20  Andreas Schwab  <schwab@suse.de>
3070
3071         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
3072         read the value in the contents, since we don't use it.  Use the
3073         template endianness when writing.
3074         (Relocate::relocate): Use it for R_PPC_REL16_HA.
3075
3076 2009-01-19  Andreas Schwab  <schwab@suse.de>
3077
3078         * configure.tgt (powerpc64-*): Fix targ_obj.
3079
3080 2009-01-15  Ian Lance Taylor  <iant@google.com>
3081
3082         * object.cc (Sized_relobj::write_local_symbols): Don't write out
3083         local symbols when stripping all symbols.
3084
3085 2009-01-14  Cary Coutant  <ccoutant@google.com>
3086
3087         * output.cc (Output_reloc): Add explicit instantiations.
3088
3089 2009-01-14  Cary Coutant  <ccoutant@google.com>
3090
3091         * archive.cc (Archive::get_elf_object_for_member): Remove call
3092         to File_read::claim_for_plugin.
3093         * descriptors.cc (Descriptors::open): Remove reference to
3094         is_claimed.
3095         (Descriptors::claim_for_plugin): Remove.
3096         * descriptors.h (Descriptors::claim_for_plugin): Remove.
3097         (Descriptors::is_claimed): Remove.
3098         (claim_descriptor_for_plugin): Remove.
3099         * fileread.cc (File_read::claim_for_plugin): Remove.
3100         * fileread.h (File_read::claim_for_plugin): Remove.
3101         (File_read::descriptor): Reopen descriptor if necessary.
3102         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
3103         (Plugin_manager::all_symbols_read): Add task parameter. Change
3104         all callers.
3105         (Plugin_manager::get_input_file): New function.
3106         (Plugin_manager::release_input_file): New function.
3107         (Pluginobj::Pluginobj): Add filesize parameter and initialize
3108         corresponding data member.
3109         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
3110         and pass to base constructor. Change all callers.
3111         (get_input_file, release_input_file): New functions.
3112         (make_sized_plugin_object): Add filesize parameter. Change all callers.
3113         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
3114         (Plugin_manager::all_symbols_read): Add task parameter.
3115         (Plugin_manager::get_input_file): New function.
3116         (Plugin_manager::release_input_file): New function.
3117         (Plugin_manager::task_): New data member.
3118         (Pluginobj::Pluginobj): Add filesize parameter.
3119         (Pluginobj::filename): New function.
3120         (Pluginobj::descriptor): New function.
3121         (Pluginobj::filesize): New function.
3122         (Pluginobj::filesize_): New data member.
3123         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
3124         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
3125         File_read::claim_for_plugin; use Object::unlock to unlock the file.
3126
3127         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
3128         with archive libraries.
3129         * testsuite/Makefile.in: Regenerate.
3130         * testsuite/plugin_test.c (struct sym_info): New type.
3131         (get_input_file, release_input_file): New static variables.
3132         (onload): Capture new transfer vector entries.
3133         (claim_file_hook): Stop reading at end of file according to filesize.
3134         Factor out parsing of readelf output into separate function.
3135         (all_symbols_read_hook): Exercise get_input_file and release_input_file
3136         APIs and get the source file name from the symbol table.  Convert
3137         source file name to corresponding object file name.  Print info
3138         message when adding new input files.
3139         (parse_readelf_line): New function.
3140         * testsuite/plugin_test_1.sh: Add checks for new info messages.
3141         * testsuite/plugin_test_2.sh: Likewise.
3142         * testsuite/plugin_test_3.sh: Likewise.
3143         * testsuite/plugin_test_4.sh: New test case.
3144
3145 2009-01-07  Ian Lance Taylor  <iant@google.com>
3146
3147         * version.cc (version_string): Bump to 1.8.
3148
3149 2008-12-23  Cary Coutant  <ccoutant@google.com>
3150
3151         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
3152         * plugin.cc (Plugin_manager::finish): Rename as
3153         layout_deferred_objects.  Move cleanup to separate function.
3154         (Plugin_manager::cleanup): New function.
3155         (Plugin_finish::run): Call layout_deferred_objects and cleanup
3156         separately.
3157         * plugin.h (Plugin_manager::finish): Rename as
3158         layout_deferred_objects.
3159         (Plugin_manager::cleanup): New function.
3160         (Plugin_manager::cleanup_done): New field.
3161
3162 2008-12-23  Cary Coutant  <ccoutant@google.com>
3163
3164         * plugin.cc (is_visible_from_outside): New function.
3165         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
3166         so we don't return "IR only" status for exported symbols or -r links.
3167
3168         * testsuite/Makefile.am (plugin_test_3): New test case.
3169         * testsuite/Makefile.in: Regenerate.
3170         * testsuite/plugin_test_3.sh: New file.
3171
3172 2008-12-22  Cary Coutant  <ccoutant@google.com>
3173
3174         * object.cc (Sized_relobj::layout_section): New function.
3175         (Sized_relobj::do_layout): Defer layout of input sections until after
3176         plugin has provided replacement files.
3177         (Sized_relobj::do_layout_deferred_sections): New function.
3178         * object.h (Relobj::set_section_offset): Remove virtual keyword.
3179         (Relobj::layout_deferred_sections): New function.
3180         (Relobj::do_layout_deferred_sections): New function.
3181         (Sized_relobj::do_layout_deferred_sections): New function.
3182         (Sized_relobj::layout_section): New function.
3183         (Sized_relobj::Deferred_layout): New structure.
3184         (Sized_relobj::deferred_layout_): New field.
3185         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
3186         Change all callers.  Layout deferred sections.
3187         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
3188         references.
3189         (Plugin_hook::run): Move code from do_plugin_hook inline.
3190         (Plugin_hook::do_plugin_hook): Remove.
3191         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
3192         (Plugin_manager::finish): Renamed, was cleanup.
3193         (Plugin_manager::should_defer_layout): New function.
3194         (Plugin_manager::add_deferred_layout_object): New function.
3195         (Plugin_manager::Deferred_layout_list): New type.
3196         (Plugin_manager::deferred_layout_objects_): New field.
3197         (Plugin_hook::do_plugin_hook): Remove.
3198
3199 2008-12-17  Ian Lance Taylor  <iant@google.com>
3200
3201         * options.h (class General_options): Add --no case for
3202         --export-dynamic.
3203
3204 2008-12-16  Cary Coutant  <ccoutant@google.com>
3205
3206         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
3207         vector.
3208         (Plugin_manager::claim_file): Create plugin object even if
3209         plugin did not call the add_symbols callback.
3210         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
3211         asking for more symbols than were added.
3212         * testsuite/Makefile.am (plugin_test_1): Add test case with
3213         no global symbols.
3214         (empty.syms): New target.
3215         * testsuite/Makefile.in: Regenerate.
3216         * testsuite/plugin_test.c (claim_file_hook): Add new debug
3217         message. Don't call add_symbols if no globals.
3218         (all_symbols_read_hook): Don't provide replacement for empty
3219         claimed file.
3220
3221 2008-12-12  Ian Lance Taylor  <iant@google.com>
3222
3223         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
3224         r_type == 0 for a local symbol with r_sym == 0.
3225         (scan_relocatable_relocs): Pass r_sym to
3226         local_non_section_strategy.
3227         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
3228         r_sym parameter.
3229
3230         * configure.ac: Update test for TLS descriptors: they are
3231         supported as of glibc 2.9.
3232         * configure: Rebuild.
3233
3234 2008-12-11  Ian Lance Taylor  <iant@google.com>
3235
3236         PR 7091
3237         * target-reloc.h (Default_scan_relocatable_relocs): For each
3238         function, map r_type == 0 to RELOC_DISCARD.
3239
3240 2008-12-10  Cary Coutant  <ccoutant@google.com>
3241
3242         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
3243         object to override a kept COMDAT group from a plugin object.
3244
3245 2008-12-09  Ian Lance Taylor  <iant@google.com>
3246
3247         PR 7088
3248         * yyscript.y (file_cmd): Handle INPUT.
3249
3250         * testsuite/initpri1.c: Change all declarations to be full
3251         prototypes by adding void, to avoid compiler warnings.
3252
3253 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
3254
3255         * options.cc (General_options::parse_plugin_opt): New.
3256         (General_options::add_plugin): The argument now is just the filename.
3257         (General_options::add_plugin_option): New.
3258         * options.h (plugin_opt): New.
3259         (add_plugin): Change argument name.
3260         (add_plugin_option): New.
3261         * plugin.cc (Plugin::load): Don't parse the plugin option.
3262         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
3263         (Plugin::add_option): New.
3264         (Plugin::args_): Change type.
3265         (Plugin::filename_): New.
3266         (Plugin_manager::add_plugin_option): New.
3267         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
3268         * testsuite/Makefile.in: Regenerate.
3269
3270 2008-12-05  Cary Coutant  <ccoutant@google.com>
3271
3272         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
3273         Handle --strip-lto-sections option.
3274         * options.h (strip_lto_sections): New option.
3275
3276 2008-12-01  Cary Coutant  <ccoutant@google.com>
3277
3278         * plugin.cc (ld_plugin_message): Change format parameter to const.
3279         Fix mismatch between new[] and delete.
3280
3281 2008-11-14  Cary Coutant  <ccoutant@google.com>
3282
3283         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
3284         instead of -1U.
3285
3286 2008-11-05  Craig Silverstein  <csilvers@google.com>
3287
3288         * options.cc (General_options::parse_dynamic_list): New function.
3289         * options.h (General_options): New flags dynamic_list,
3290         dynamic_list_data, dynamic_list_cpp_new, and
3291         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
3292         (General_options::in_dynamic_list): New function.
3293         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
3294         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
3295         (Lex::can_continue_name): Likewise.
3296         (yylex): Likewise.
3297         (read_script_file): New parameter script_options.
3298         (read_dynamic_list): New function.
3299         (Script_options::define_dynamic_list): New function.
3300         (dynamic_list_keyword_parsecodes): New variable.
3301         (dynamic_list_keywords): New variable.
3302         * script.h (Script_options::define_dynamic_list): New function
3303         prototype.
3304         (read_dynamic_list): New function prototype.
3305         * symtab.cc (strprefix): New macro.
3306         (Symbol::should_add_dynsym_entry): Support dynamic_list,
3307         dynamic_list_data, dynamic_list_cpp_new, and
3308         dynamic_list_cpp_typeinfo.
3309         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
3310         (dynamic_list_expr): New rule.
3311         (dynamic_list_nodes): Likewise.
3312         (dynamic_list_node): Likewise.
3313         * testsuite/Makefile.am (dynamic_list): New test.
3314         * testsuite/Makefile.in: Regenerated.
3315         * testsuite/dynamic_list.t: New file.
3316         * testsuite/dynamic_list.sh: New file.
3317
3318 2008-11-05  Craig Silverstein  <csilvers@google.com>
3319
3320         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
3321         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
3322         (t11_last): Likewise.
3323         * testsuite/ver_test_6.c (main): Likewise.
3324
3325 2008-10-07  Cary Coutant  <ccoutant@google.com>
3326
3327         * options.c (General_options::finalize): Add check for -static and
3328         -shared.
3329         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
3330         is not empty.
3331
3332 2008-10-02  Cary Coutant  <ccoutant@google.com>
3333
3334         * plugin.cc (make_sized_plugin_object): Fix conditional
3335         compilation to work when not all targets are enabled.
3336
3337 2008-09-29  Cary Coutant  <ccoutant@google.com>
3338
3339         * archive.cc (Archive::get_file_and_offset): Use filename instead
3340         of name to get library path.
3341         (Archive::include_member): Unlock external member of a thin archive.
3342
3343         * testsuite/Makefile.am (TEST_AR): New variable.
3344         (thin_archive_test_1): New test.
3345         (thin_archive_test_2): New test.
3346         * testsuite/Makefile.in: Regenerate.
3347         * testsuite/thin_archive_main.cc: New file.
3348         * testsuite/thin_archive_test_1.cc: New file.
3349         * testsuite/thin_archive_test_2.cc: New file.
3350         * testsuite/thin_archive_test_3.cc: New file.
3351         * testsuite/thin_archive_test_4.cc: New file.
3352
3353 2008-09-29  Cary Coutant  <ccoutant@google.com>
3354
3355         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
3356         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
3357         instead of -1U.
3358         (Sized_relobj::do_finalize_local_symbols): Likewise.
3359         (Sized_relobj::map_to_kept_section): Likewise.
3360         * object.h (Sized_relobj::invalid_address): New constant.
3361         (Sized_relobj::do_output_section_offset): Check for invalid_address
3362         and return -1ULL.
3363         * output.cc (Output_reloc::local_section_offset): Use constant
3364         invalid_address instead of -1U.
3365         (Output_reloc::get_address): Likewise.
3366         (Output_section::output_address): Change -1U to -1ULL.
3367         * output.h (Output_reloc::invalid_address): New constant.
3368         * reloc.cc (Sized_relobj::write_sections): Use constant
3369         invalid_address instead of -1U.
3370         (Sized_relobj::relocate_sections): Likewise.
3371         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
3372         values for merge sections.
3373         * target-reloc.h (relocate_for_relocatable): Use constant
3374         invalid_address instead of -1U.
3375
3376 2008-09-19  Cary Coutant  <ccoutant@google.com>
3377
3378         Add plugin functionality for link-time optimization (LTO).
3379         * configure.ac (plugins): Add --enable-plugins option.
3380         * configure: Regenerate.
3381         * config.in: Regenerate.
3382         * Makefile.am (LIBDL): New variable.
3383         (CCFILES): Add plugin.cc.
3384         (HFILES): Add plugin.h.
3385         (ldadd_var): Add LIBDL.
3386         * Makefile.in: Regenerate.
3387
3388         * archive.cc: Include "plugin.h".
3389         (Archive::setup): Don't preread archive symbols when using a plugin.
3390         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
3391         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
3392         files.
3393         (Archive::include_member): Add symbols from plugin objects.
3394         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
3395         * descriptors.cc (Descriptors::open): Check for file descriptors
3396         abandoned by plugins.
3397         (Descriptors::claim_for_plugin): New function.
3398         * descriptors.h (Descriptors::claim_for_plugin): New function.
3399         (Open_descriptor::is_claimed): New field.
3400         (claim_descriptor_for_plugin): New function.
3401         * fileread.cc (File_read::claim_for_plugin): New function.
3402         * fileread.h (File_read::claim_for_plugin): New function.
3403         (File_read::descriptor): New function.
3404         * gold.cc: Include "plugin.h".
3405         (queue_initial_tasks): Add task to call plugin hooks for generating
3406         new object files.
3407         * main.cc: Include "plugin.h".
3408         (main): Load plugin libraries.
3409         * object.h (Pluginobj): Declare.
3410         (Object::pluginobj): New function.
3411         (Object::do_pluginobj): New function.
3412         (Object::set_target): New function.
3413         * options.cc: Include "plugin.h".
3414         (General_options::parse_plugin): New function.
3415         (General_options::General_options): Initialize plugins_ field.
3416         (General_options::add_plugin): New function.
3417         * options.h (Plugin_manager): Declare.
3418         (General_options): Add --plugin option.
3419         (General_options::has_plugins): New function.
3420         (General_options::plugins): New function.
3421         (General_options::add_plugin): New function.
3422         (General_options::plugins_): New field.
3423         * plugin.cc: New file.
3424         * plugin.h: New file.
3425         * readsyms.cc: Include "plugin.h".
3426         (Read_symbols::do_read_symbols): Check for archive before checking
3427         for ELF file.  Call plugin hooks to claim files.
3428         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
3429         from a real object file; force override when processing replacement
3430         files.
3431         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
3432         (Symbol::init_base_object): Likewise.
3433         (Symbol::init_base_output_data): Likewise.
3434         (Symbol::init_base_output_segment): Likewise.
3435         (Symbol::init_base_constant): Likewise.
3436         (Symbol::init_base_undefined): Likewise.
3437         (Symbol::output_section): Assert that object is not a plugin.
3438         (Symbol_table::add_from_pluginobj): New function.
3439         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
3440         undefined.
3441         (Symbol_table::sized_write_globals): Likewise.
3442         (Symbol_table::add_from_pluginobj): Instantiate template.
3443         * symtab.h (Sized_pluginobj): Declare.
3444         (Symbol::in_real_elf): New function.
3445         (Symbol::set_in_real_elf): New function.
3446         (Symbol::in_real_elf_): New field.
3447         (Symbol_table::add_from_pluginobj): New function.
3448
3449         * testsuite/Makefile.am (AM_CFLAGS): New variable.
3450         (LIBDL): New variable.
3451         (LDADD): Add LIBDL.
3452         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
3453         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
3454         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
3455         (MOSTLYCLEANFILES): Likewise.
3456         * testsuite/Makefile.in: Regenerate.
3457         * testsuite/plugin_test.c: New file.
3458         * testsuite/plugin_test_1.sh: New file.
3459         * testsuite/plugin_test_2.sh: New file.
3460
3461 2008-09-16  Ian Lance Taylor  <iant@google.com>
3462
3463         * target-reloc.h (relocate_section): Check whether a symbol is
3464         defined by the ABI before reporting an undefined symbol error.
3465         * target.h (Target::is_defined_by_abi): Make parameter const.
3466         (Target::do_is_defined_by_abi): Likewise.
3467         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
3468         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
3469         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
3470         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
3471         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
3472         * testsuite/Makefile.in: Rebuild.
3473
3474         * fileread.cc (make_view): Add casts to avoid warning.
3475
3476 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
3477
3478         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
3479         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
3480
3481 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
3482
3483         * options.h (General_options::output_is_executable): New.
3484         (General_options::output_is_pie): New.
3485         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
3486         for shared libraries.
3487         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
3488
3489 2008-09-11  Chris Demetriou  <cgd@google.com>
3490
3491         * options.h (origin): New -z option.
3492         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
3493         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
3494         in DT_FLAGS_1.
3495
3496 2008-09-05  Cary Coutant  <ccoutant@google.com>
3497
3498         * fileread.cc (File_read::make_view): Add check for attempt to map
3499         beyond end of file.
3500
3501 2008-09-05  Cary Coutant  <ccoutant@google.com>
3502
3503         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
3504         explicit instantiations.
3505
3506 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
3507
3508         PR gold/6858
3509         * options.cc (General_options::finalize): Allow undefined symbols
3510         in shlibs if linking -shared.
3511
3512         PR gold/6859
3513         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
3514         symbols as not needing a dynsym entry.
3515
3516 2008-08-20  Craig Silverstein  <csilvers@google.com>
3517
3518         * fileread.cc (File_read::open): Do not lock the file unless it
3519         was successfully opened.
3520
3521 2008-08-14  Cary Coutant  <ccoutant@google.com>
3522
3523         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
3524         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
3525         * testsuite/tls_test.cc (struct int128): 128-bit struct
3526         for testing TLS relocs with non-zero addend.
3527         (v12): New TLS variable.
3528         (t12): New test.
3529         (t_last): Add check for v12.
3530         * testsuite/tls_test.h (t12): New function.
3531         * testsuite/tls_test_main.cc (thread_routine): Call new test.
3532
3533 2008-08-13  Ian Lance Taylor  <iant@google.com>
3534
3535         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
3536         set tls_segment_ or relro_segment_.
3537         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
3538         when appropriate.
3539         * output.h (Output_section::clear_is_relro): New function.
3540         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
3541         sections specially even when output_data_ is empty.
3542         (Output_segment::maximum_alignment): When first section is relro,
3543         only force alignment for PT_LOAD segments.
3544         * script.cc (script_data_segment_align): New function.
3545         (script_data_segment_relro_end): New function.
3546         * script-c.h (script_data_segment_align): Declare.
3547         (script_data_segment_relro_end): Declare.
3548         * script-sections.h (class Script_sections): Declare
3549         data_segment_align and data_segment_relro_end.  Add fields
3550         segment_align_index_ and saw_relro_end_.
3551         * script-sections.cc (class Sections_element): Add set_is_relro
3552         virtual function.  Add new bool* parameter to place_orphan_here.
3553         Add get_output_section virtual function.
3554         (class Output_section_definition): Add set_is_relro.  Add new
3555         bool* parameter to place_orphan_here.  Add get_output_section.
3556         Add is_relro_ field.
3557         (Output_section_definition::Output_section_definition): Initialize
3558         evaluated_address_, evaluated_load_address, evaluated_addralign_,
3559         and is_relro_ fields.
3560         (Output_section_definition::place_orphan_here): Add is_relro
3561         parameter.
3562         (Output_section_definition::set_section_addresses): Set relro for
3563         output section.
3564         (Output_section_definition::alternate_constraint): Likewise.
3565         (class Orphan_output_section): Add new bool* parameter to
3566         place_orphan_here.  Add get_output_section.
3567         (Orphan_output_section::place_orphan_here): Add is_relro
3568         parameter.
3569         (Script_sections::Script_sections): Initialize
3570         data_segment_align_index_ and saw_relro_end_.
3571         (Script_sections::data_segment_align): New function.
3572         (Script_sections::data_segment_relro_end): New function.
3573         (Script_sections::place_orphan): Set or clear is_relro.
3574         (Script_sections::set_section_addresses): Force alignment of first
3575         TLS section.
3576         * yyscript.y (exp): Call script_data_segment_align and
3577         script_data_segment_relro_end.
3578         * testsuite/relro_script_test.t: New file.
3579         * testsuite/relro_test.cc (using_script): Declare.
3580         (t1, t2): Test using_script.
3581         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
3582         (relro_script_test_SOURCES): Define.
3583         (relro_script_test_DEPENDENCIES): Define.
3584         (relro_script_test_LDFLAGS): Define.
3585         (relro_script_test_LDADD): Define.
3586         (relro_script_test.so): New target.
3587         * testsuite/Makefile.in: Rebuild.
3588
3589 2008-08-06  Cary Coutant <ccoutant@google.com>
3590
3591         * archive.cc (Archive::total_archives, Archive::total_members)
3592         (Archive::total_members_loaded): New variables.
3593         (Archive::setup): Add parameter.  Add option to preread
3594         archive symbols.
3595         (Archive::read_armap): Add counter.
3596         (Archive::get_file_and_offset): New function.
3597         (Archive::get_elf_object_for_member): New function.
3598         (Archive::read_all_symbols): New function.
3599         (Archive::read_symbols): New function.
3600         (Archive::add_symbols): Add counters.
3601         (Archive::include_all_members): Use armap to find members if it's
3602         already built.
3603         (Archive::include_member): Skip reading symbols if already read.
3604         Factored code into Archive::get_file_and_offset and
3605         Archive::get_elf_object_for_member.  Changed call to
3606         Mapfile::report_include_archive_member.
3607         (Archive::print_stats): New function.
3608         * archive.h: Declare Object and Read_symbols_data classes.
3609         (Archive::Archive): Add initializers for new members.
3610         (Archive::setup): Add parameter.
3611         (Archive::print_stats): New function.
3612         (Archive::total_archives, Archive::total_members)
3613         (Archive::total_members_loaded): New variables.
3614         (Archive::get_file_and_offset): New function.
3615         (Archive::get_elf_object_for_member): New function.
3616         (Archive::read_all_symbols): New function.
3617         (Archive::read_symbols): New function.
3618         (Archive::Archive_member): New class.
3619         (Archive::members_): New member.
3620         (Archive::num_members_): New member.
3621         * main.cc: Include archive.h.
3622         (main): Call Archive::print_stats.
3623         * mapfile.cc (Mapfile::report_include_archive_member): Delete
3624         archive parameter; member_name is now the fully-decorated name.
3625         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
3626         * options.h: (General_options): Add --preread-archive-symbols option.
3627         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
3628         Archive::setup.
3629
3630 2008-08-04  Ian Lance Taylor  <iant@google.com>
3631
3632         * symtab.h (Symbol::use_plt_offset): New function.
3633         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
3634         * powerpc.cc (Relocate::relocate): Likewise.
3635         * sparc.cc (Relocate::relocate): Likewise.
3636         * x86_64.cc (Relocate::relocate): Likewise.
3637         * testsuite/weak_plt.sh: New test.
3638         * testsuite/weak_plt_main.cc: New test.
3639         * testsuite/weak_plt_shared.cc: New test.
3640         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
3641         (check_PROGRAMS): Add weak_plt.
3642         (check_DATA): Add weak_plt_shared.so.
3643         (weak_plt_main_pic.o, weak_plt): New targets.
3644         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
3645         * testsuite/Makefile.in: Rebuild.
3646
3647         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
3648         gcctestdir/ld.
3649         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
3650         * testsuite/Makefile.in: Rebuild.
3651
3652 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
3653
3654         * Makefile.am (POTFILES.in): Set LC_ALL=C.
3655         * Makefile.in: Regenerate.
3656         * po/POTFILES.in: Regenerate.
3657
3658 2008-07-29  Ian Lance Taylor  <iant@google.com>
3659
3660         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
3661         symbols before other symbols.
3662         * testsuite/script_test_2.cc (test_addr): Declare.
3663         (test_addr_alias): Declare.
3664         (main): Check that test_addr and test_addr_alias have the right
3665         values.
3666         * testsuite/script_test_2.t: Define test_addr_alias and
3667         test_addr.
3668
3669 2008-07-24  Ian Lance Taylor  <iant@google.com>
3670
3671         PR 5990
3672         * descriptors.cc: New file.
3673         * descriptors.h: New file.
3674         * gold-threads.h (class Hold_optional_lock): New class.
3675         * fileread.cc: Include "descriptors.h".
3676         (File_read::~File_read): Release descriptor rather than closing
3677         it.
3678         (File_read::open) [file]: Call open_descriptor rather than open.
3679         Set is_descriptor_opened_.
3680         (File_read::open) [memory]: Assert that descriptor is not open.
3681         (File_read::reopen_descriptor): New function.
3682         (File_read::release): Release descriptor.
3683         (File_read::do_read): Make non-const.  Reopen descriptor.
3684         (File_read::read): Make non-const.
3685         (File_read::make_view): Reopen descriptor.
3686         (File_read::do_readv): Likewise.
3687         * fileread.h (class File_read): Add is_descriptor_opened_ field.
3688         Update declarations.
3689         * layout.cc: Include "descriptors.h".
3690         (Layout::create_build_id): Use open_descriptor rather than open.
3691         * output.cc: Include "descriptors.h".
3692         (Output_file::open): Use open_descriptor rather than open.
3693         * archive.cc (Archive::const_iterator): Change Archive to be
3694         non-const.
3695         (Archive::begin, Archive::end): Make non-const.
3696         (Archive::count_members): Likewise.
3697         * archive.h (class Archive): Update declarations.
3698         * object.h (Object::read): Make non-const.
3699         * Makefile.am (CCFILES): Add descriptors.cc.
3700         (HFILES): Add descriptors.h.
3701         * Makefile.in: Rebuild.
3702
3703         PR 6716
3704         * gold.h: Always include <clocale>.  Add Solaris workarounds
3705         following code in binutils/sysdep.h.
3706
3707         PR 6048
3708         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
3709         this->eh_frame_hdr_ is NULL before using it.
3710
3711         * dynobj.cc (Versions::Versions): Update comment.
3712
3713         * dynobj.cc (Versions::Versions): If there is an soname, use it as
3714         the base version name.
3715
3716         * stringpool.cc (Stringpool_template::add_with_length): Set key to
3717         array size plus one.
3718         (Stringpool_template::set_string_offsets): Subtract one from key
3719         before using it as an array index.
3720         (Stringpool_template::get_offset_with_length): Likewise.
3721         (Stringpool_template::write_to_buffer): Likewise.
3722         * stringpool.h (Stringpool_template::get_offset_from_key):
3723         Likewise.
3724
3725 2008-07-23  Ian Lance Taylor  <iant@google.com>
3726
3727         PR 6658
3728         * object.h (Merged_symbol_value::value): Do our best to handle a
3729         negative addend.
3730
3731         PR 6647
3732         * script.cc (Version_script_info::get_versions): Don't add empty
3733         version tag to return value.
3734         (Version_script_info::get_symbol_version_helper): Change return
3735         type to bool.  Add pversion parameter.  Change all callers.
3736         (script_register_vers_node): Don't require a non-NULL tag.
3737         * script.h (class Version_script_info): Update declarations.
3738         (Version_script_info::get_symbol_version): Change return type to
3739         bool.  Add version parameter.  Change all callers.
3740         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
3741         handling.  Handle an empty version from a version script.
3742         (Symbol_table::define_special_symbol): Likewise.
3743         * testsuite/ver_test_10.script: New file.
3744         * testsuite/ver_test_10.sh: New file.
3745         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
3746         (check_DATA): Add ver_test_10.syms.
3747         (ver_test_10.syms, ver_test_10.so): New target.
3748         * testsuite/Makefile.in: Rebuild.
3749
3750 2008-07-23  Simon Baldwin  <simonb@google.com>
3751
3752         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
3753         to zero for undefined symbols from dynamic libraries.
3754
3755 2008-07-23  Ian Lance Taylor  <iant@google.com>
3756
3757         * symtab.cc (Symbol_table::resolve): Remove version parameter.
3758         Change all callers.
3759         * symtab.h (class Symbol_table): Update declaration.
3760         * testsuite/ver_test_9.cc: New file.
3761         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
3762         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
3763         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
3764         (ver_test_9.so, ver_test_9.o): New targets.
3765         * testsuite/Makefile.in: Rebuild.
3766
3767 2008-07-22  Ian Lance Taylor  <iant@google.com>
3768
3769         * options.h (class General_options): Define --check-sections.
3770         * layout.cc (Layout::set_segment_offsets): Handle
3771         --check-sections.
3772
3773         * options.h (class General_options): Define -n/--nmagic and
3774         -N/--omagic.
3775         * options.cc (General_options::finalize): For -n/--nmagic or
3776         -N/--omagic, set -static.
3777         * layout.cc (Layout::attach_allocated_section_to_segment): If
3778         -N/--omagic, don't put read-only and read-write sections in
3779         different segments.
3780         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
3781         finding a read-only segment.
3782         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
3783         don't set the minimum segment alignment to the common page size,
3784         and don't set the file offset to the address modulo the page size.
3785         * script-sections.cc (Script_sections::create_segments): If
3786         -n/--omagic, don't put read-only and read-write sections in
3787         different segments.
3788
3789         * cref.cc: New file.
3790         * cref.h: New file.
3791         * options.h (class General_options): Add --print-symbol-counts.
3792         * main.cc (main): Issue defined symbol report if requested.
3793         * archive.cc (Archive::interpret_header): Make into a const member
3794         function.
3795         (Archive::add_symbols): Call Input_objects::archive_start and
3796         archive_stop.
3797         (Archive::const_iterator): Define new class.
3798         (Archive::begin, Archive::end): New functions.
3799         (Archive::include_all_members): Rewrite to use iterator.
3800         (Archive::count_members): New function.
3801         * archive.h (class Archive): Update declarations.
3802         (Archive::filename): New function.
3803         * object.cc: Include "cref.h".
3804         (Sized_relobj::Sized_relobj): Initialize defined_count_.
3805         (Sized_relobj::do_get_global_symbol_counts): New function.
3806         (Input_objects::add_object): Add object to cross-referencer.
3807         (Input_objects::archive_start): New function.
3808         (Input_objects::archive_stop): New function.
3809         (Input_objects::print_symbol_counts): New function.
3810         * object.h: Declare Cref and Archive.
3811         (Object::get_global_symbol_counts): New function.
3812         (Object::do_get_global_symbol_counts): New pure virtual function.
3813         (class Sized_relobj): Add defined_count_ field.  Update
3814         declarations.
3815         (class Input_objects): Add cref_ field.  Update constructor.
3816         Update declarations.
3817         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
3818         defined_count_.
3819         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
3820         symbol counts.
3821         (Sized_dynobj::do_get_global_symbol_counts): New function.
3822         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
3823         defined_count_.  Update declarations.  Define Symbols typedef.
3824         * symtab.cc (Symbol_table::add_from_relobj): Add defined
3825         parameter.  Change all callers.
3826         (Symbol_table::add_from_dynobj): Add sympointers and defined
3827         parameters.  Change all callers.
3828         * symtab.h (class Symbol_table): Update declarations.
3829         * Makefile.am (CCFILES): Add cref.cc.
3830         (HFILES): Add cref.h.
3831         * Makefile.in: Rebuild.
3832
3833 2008-07-22  Simon Baldwin  <simonb@google.com>
3834
3835         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
3836         to zero when writing undefined symbols.
3837
3838 2008-07-22  Ian Lance Taylor  <iant@google.com>
3839
3840         * output.cc (Output_section::add_input_section): Don't try to
3841         merge empty merge sections.
3842
3843 2008-07-21  Craig Silverstein  <csilvers@google.com>
3844
3845         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
3846         Include symbol version in error message.
3847
3848 2008-07-20  Chris Demetriou  <cgd@google.com>
3849
3850         * configure.ac (gold_cv_c_random_seed): New configured variable.
3851         (RANDOM_SEED_CFLAGS): New substituted variable.
3852         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
3853         * configure: Rebuild.
3854         * Makefile.in: Likewise.
3855         * testsuite/Makefile.in: Likewise.
3856
3857 2008-07-18  Ian Lance Taylor  <iant@google.com>
3858
3859         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
3860         where we see NAME/NULL and NAME/VERSION  as separate symbols.
3861         * testsuite/ver_test_main.cc (main): Call t4.
3862         (t4, t4_2a): Define.
3863         * testsuite/ver_test_2.cc (t4_2): Define.
3864         * testsuite/ver_test_2.script: Put t4_2a in VER2.
3865         * testsuite/ver_test_4.cc (t4_2a): Define.
3866         * testsuite/ver_test_4.script: Put t4_2a in VER2.
3867         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
3868
3869 2008-07-17  Ian Lance Taylor  <iant@google.com>
3870
3871         * dynobj.cc (Versions::add_def): If we give an error about a
3872         missing version, go ahead and create the version anyhow.
3873
3874 2008-07-10  Ian Lance Taylor  <iant@google.com>
3875
3876         Handle output sections with more than 0x7fffffff bytes.
3877         * object.h (class Relobj): Change map_to_output_ to
3878         output_sections_, and just keep a section pointer.  Change all
3879         uses.  Move comdat group support to Sized_relobj.
3880         (Relobj::is_section_specially_mapped): Remove.
3881         (Relobj::output_section): Remove poff parameter.  Change all
3882         callers.
3883         (Relobj::output_section_offset): New function.
3884         (Relobj::set_section_offset): Rewrite.
3885         (Relobj::map_to_output): Remove.
3886         (Relobj::output_sections): New function.
3887         (Relobj::do_output_section_offset): New pure virtual function.
3888         (Relobj::do_set_section_offset): Likewise.
3889         (class Sized_relobj): Add section_offsets_ field.  Add comdat
3890         group support from Relobj.  Update declarations.
3891         (Sized_relobj::get_output_section_offset): New function.
3892         (Sized_relobj::do_output_section_offset): New function.
3893         (Sized_relobj::do_set_section_offset): New function.
3894         * object.cc (Relobj::output_section_address): Remove.
3895         (Sized_relobj::Sized_relobj): Initialize new fields.
3896         (Sized_relobj::include_section_group): Cast find_kept_object to
3897         Sized_relobj.
3898         (Sized_relobj::include_linkonce_section): Likewise.
3899         (Sized_relobj::do_layout): Use separate arrays for output section
3900         and output offset.
3901         (Sized_relobj::do_count_local_symbols): Change map_to_output to
3902         output_sections.
3903         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
3904         output_sections and section_offsets.
3905         (Sized_relobj::write_local_symbols): Likewise.
3906         (map_to_kept_section): Compute output address directly.
3907         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
3908         output_sections and section_offsets.
3909         (Sized_relobj::write_sections): Likewise.
3910         (Sized_relobj::relocate_sections): Likewise.
3911         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
3912         * output.h (class Output_reloc): Update declarations.  Change
3913         u2_.relobj to Sized_relobj*.
3914         (class Output_data_reloc): Change add functions to use
3915         Sized_relobj*.
3916         * output.cc (Output_reloc::Output_reloc): Change relobj to
3917         Sized_relobj*.
3918         (Output_reloc::local_section_offset): Change return type to
3919         Elf_Addr.  Use get_output_section_offset.
3920         (Output_reloc::get_address): Likewise.
3921         (Output_section::is_input_address_mapped): Don't call
3922         is_section_specially_mapped.
3923         (Output_section::output_offset): Likewise.
3924         (Output_section::output_address): Likewise.
3925         (Output_section::starting_output_address): Likewise.
3926         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
3927         parameter to Sized_relobj*.
3928         (Copy_relocs::need_copy_reloc): Likewise.
3929         (Copy_relocs::save): Likewise.
3930         * copy-relocs.h (class Copy_relocs): Update declarations.
3931         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
3932         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
3933         * target-reloc.h (relocate_for_relocatable): Change
3934         offset_in_output_section type to Elf_Addr.  Change code that uses
3935         it as well.
3936         * layout.cc (Layout::layout): Always set *off.
3937         * mapfile.cc (Mapfile::print_input_section): Use
3938         output_section_offset.
3939         * i386.cc (Target_i386::copy_reloc): Change object parameter to
3940         Sized_relobj*.
3941         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
3942         * sparc.cc (Target_sparc::copy_reloc): Likewise.
3943         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
3944
3945 2008-07-03  Ian Lance Taylor  <iant@google.com>
3946
3947         * layout.cc (Layout::include_section): Do not discard unrecognized
3948         SHT_STRTAB sections.
3949
3950 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
3951
3952         * script.cc (Lex::can_continue_name): Make '?' allowable in
3953         version-script names.
3954         * testsuite/version_script.map: Change glob pattern to use '?'
3955
3956 2008-06-30  Manish Singh  <yosh@gimp.org>
3957
3958         PR 6585
3959         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
3960         Correct typo.
3961
3962 2008-06-30  Ian Lance Taylor  <iant@google.com>
3963
3964         PR 6660
3965         PR 6682
3966         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
3967         versions]: Don't try to read the value in the contents, since we
3968         don't use it.  Use the template endianness when writing.
3969
3970 2008-06-25  Cary Coutant  <ccoutant@google.com>
3971
3972         * fileread.cc (File_read::make_view): Assert on zero-length view.
3973         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
3974         symbol table when there are no symbols to read.
3975
3976 2008-06-23  Craig Silverstein  <csilvers@google.com>
3977
3978         * version.cc (version_string): Bump to 1.7
3979
3980 2008-06-18  Craig Silverstein  <csilvers@google.com>
3981
3982         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
3983         constant 0xFFFF to type Valtype.
3984         (Powerpc_relocate_functions::rel16_ha): Likewise.
3985
3986 2008-06-17  Ian Lance Taylor  <iant@google.com>
3987
3988         * output.h (Output_section::Input_section): Initialize p2align_ to
3989         zero for Output_section_data constructors.
3990         (Output_section::Input_section::addralign): If not an input
3991         section, return the alignment of the Output_section_data.
3992         * testsuite/copy_test.cc: New file.
3993         * testsuite/copy_test_1.cc: New file.
3994         * testsuite/copy_test_2.cc: New file.
3995         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
3996         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
3997         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
3998         (copy_test_1_pic.o, copy_test_1.so): New targets.
3999         (copy_test_2_pic.o, copy_test_2.so): New targets.
4000         * testsuite/Makefile.in: Rebuild.
4001
4002         * script-sections.cc (Script_sections::place_orphan): Initialize
4003         local variable exact.
4004
4005 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
4006
4007         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
4008
4009 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
4010             David S. Miller  <davem@davemloft.net>
4011
4012         * powerpc.cc: New file.
4013         * Makefile.am (TARGETSOURCES): Add powerpc.cc
4014         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
4015         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
4016         * Makefile.in: Rebuild.
4017
4018 2008-06-09  Ian Lance Taylor  <iant@google.com>
4019
4020         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
4021         <exception>.
4022         (throwing, orig_terminate): New static variables.
4023         (terminate_handler): New static function.
4024         (t2): Set terminate handler.
4025
4026 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
4027
4028         PR 6584
4029         * binary.cc (Binary_to_elf::sized_convert): Fix .data
4030         alignment.
4031
4032 2008-05-30  Cary Coutant  <ccoutant@google.com>
4033
4034         * archive.cc (Archive::include_all_members) Correct to step
4035         over symbol table and extended name table in thin archives.
4036
4037 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
4038
4039         PR 6407
4040         * target-reloc.h (relocate_for_relocatable): Fix new_offset
4041         calculation.
4042
4043 2008-05-28  Caleb Howe  <cshowe@google.com>
4044
4045         * reduced_debug_output.cc: New file.
4046         * reduced_debug_output.h: New file.
4047         * options.h (class General_options): Add --strip-debug-non-line.
4048         * options.cc (General_options::finalize): Add strip_debug_non_line
4049         to the strip heirarchy.
4050         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
4051         fields.
4052         * layout.cc: Include "reduced_debug_output.h".
4053         (Layout::Layout): Initialize new fields.
4054         (line_only_debug_sections): New static array.
4055         (is_lines_only_debug_sections): New static inline function.
4056         (Layout::include_section): Handle --strip-debug-non-line.
4057         (Layout::make_output_section): If --strip-debug-non-line, build
4058         new output sections for .debug_abbrev and .debug_info.
4059         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
4060         gold.  Warn about possible overflow.
4061         (read_signed_LEB_128): Likewise.
4062         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
4063         (read_signed_LEB_128): Declare.
4064         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
4065         (HFILES): Add reduced_debug_output.h.
4066         * Makefile.in: Rebuild.
4067
4068 2008-05-21  Ian Lance Taylor  <iant@google.com>
4069
4070         * mapfile.cc: New file.
4071         * mapfile.h: New file.
4072         * options.h (class General_options): Add -M/--print-map and -Map.
4073         * options.cc (General_options::finalize): Make -M equivalent to
4074         -Map -.
4075         * main.cc: Include <cstdio> and "mapfile.h".
4076         (main): Open mapfile if requested.
4077         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
4078         constructor.  Change caller.
4079         (queue_initial_tasks): Add mapfile parameter.  Change caller.
4080         (queue_middle_tasks): Likewise.
4081         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
4082         declarations.
4083         * archive.cc: Include "mapfile.h".
4084         (Archive::add_symbols): Add mapfile parameter.  Change all
4085         callers.  Pass mapfile, symbol, and reason to include_member.
4086         (Archive::include_all_members): Add mapfile parameter.  Change all
4087         callers.
4088         (Archive::include_member): Add mapfile, sym, and why parameters.
4089         Change all callers.  Report inclusion to map file.
4090         * archive.h: Include "fileread.h".
4091         (class Archive): Update declarations.
4092         (Archive::file): New const method.
4093         (class Add_archive_symbols): Add mapfile_ field.  Update
4094         constructor.  Change all callers.
4095         * readsyms.h (class Read_symbols): Likewise.
4096         (class Finish_group): Likewise.
4097         (class Read_script): Likewise.
4098         * common.cc: Include "mapfile.h".
4099         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
4100         all callers.
4101         (Symbol_table::do_allocate_commons): Likewise.
4102         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
4103         symbol allocation to mapfile.
4104         * common.h (class Allocate_commons_task): Add mapfile_ field.
4105         Update constructor.  Change all callers.
4106         * symtab.h (class Symbol_table): Update declarations.
4107         * layout.cc: Include "mapfile.h".
4108         (Layout_task_runner::run): Print information to mapfile.
4109         (Layout::create_gold_note): Change Output_data_fixed_space to
4110         Output_data_zero_fill.
4111         (Layout::create_build_id): Likewise.
4112         (Layout::print_to_mapfile): New function.
4113         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
4114         constructor.  Change caller.
4115         (class Layout): Declare print_to_mapfile.
4116         * output.cc (Output_section::Input_section::print_to_mapfile): New
4117         function.
4118         (Output_section::add_input_section): If producing a map, always
4119         add to input_sections_ list.
4120         (Output_section::do_print_to_mapfile): New function.
4121         (Output_segment::print_sections_to_mapfile): New function.
4122         (Output_segment::print_section_list_to_mapfile): New function.
4123         * output.h: Include "mapfile.h".
4124         (Output_data::print_to_mapfile): New function.
4125         (Output_data::do_print_to_mapfile): New virtual function.
4126         (Output_segment_headers::do_print_to_mapfile): New function.
4127         (Output_file_header::do_print_to_mapfile): New function.
4128         (Output_data_const::do_print_to_mapfile): New function.
4129         (class Output_data_const_buffer): Add map_name_ field.  Update
4130         constructor.  Change all callers.  Add do_print_to_mapfile
4131         function.
4132         (class Output_data_fixed_space): Likewise.
4133         (class Output_data_space): Likewise.
4134         (class Output_data_zero_fill): New class.
4135         (Output_data_strtab::do_print_to_mapfile): New function.
4136         (Output_data_reloc_base::do_print_to_mapfile): New function.
4137         (Output_relocatable_relocs::do_print_to_mapfile): New function.
4138         (Output_data_group::do_print_to_mapfile): New function.
4139         (Output_data_got::do_print_to_mapfile): New function.
4140         (Output_data_dynamic::do_print_to_mapfile): New function.
4141         (Output_symtab_xindex::do_print_to_mapfile): New function.
4142         (class Output_section): Declare do_print_to_mapflie.  Declare
4143         print_to_mapfile in Input_section.
4144         (class Output_segment): Declare new functions.
4145         * object.h (Sized_relobj::symbol_count): New function.
4146         * script-sections.cc
4147         (Output_section_element_dot_assignment::set_section_addresses):
4148         Change Output_data_fixed_space to Output_data_zero_fill.
4149         (Output_data_expression::do_print_to_mapfile): New function.
4150         * script.cc (read_input_script): Add mapfile parameter.  Change
4151         all callers.
4152         * script.h (read_input_script): Update declaration.
4153         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
4154         (Eh_frame::do_print_to_mapfile): New function.
4155         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
4156         (Output_merge_string::do_print_to_mapfile): New function.
4157         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
4158         function.
4159         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
4160         function.
4161         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
4162         function.
4163         * Makefile.am (CCFILES): Add mapfile.cc.
4164         (HFILES): Add mapfile.h.
4165         * Makefile.in: Rebuild.
4166
4167 2008-05-19  Ian Lance Taylor  <iant@google.com>
4168
4169         * options.h (class General_options): Add -z relro.
4170         * layout.cc (Layout::Layout): Initialize relro_segment_.
4171         (Layout::add_output_section_data): Return the output section.
4172         (Layout::make_output_section): Rcognize relro sections and mark
4173         them appropriately.
4174         (Layout::attach_allocated_section_to_segment): Put relro sections
4175         in a PT_GNU_RELRO segment.
4176         (Layout::create_initial_dynamic_sections): Mark the .dynamic
4177         section as relro.
4178         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
4179         PT_TLS segments.
4180         (Layout::linkonce_mapping): Map d.rel.ro.local to
4181         .data.rel.ro.local.
4182         (Layout::output_section_name): Us .data.rel.ro.local for any
4183         section which begins with that.
4184         * layout.h (class Layout): Update add_output_section_data
4185         declaration.  Add relro_segment_ field.
4186         * output.cc (Output_section::Output_section): Initialize is_relro_
4187         and is_relro_local_ fields.
4188         (Output_segment::add_output_section): Group relro sections.
4189         (Output_segment::is_first_section_relro): New function.
4190         (Output_segment::maximum_alignment): If there is a relro section,
4191         align the segment to the common page size.
4192         (Output_segment::set_section_addresses): Track whether we are
4193         looking at relro sections.  If the last section is a relro
4194         section, align to the common page size.
4195         (Output_segment::set_section_list_addresses): Add in_relro
4196         parameter.  Change all callers.  Align to the page size when
4197         moving from relro to non-relro section.
4198         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
4199         segment.
4200         * output.h (class Output_section): Add is_relro_ and
4201         is_relro_local_ fields.
4202         (Output_section::is_relro): New function.
4203         (Output_section::set_is_relro): New function.
4204         (Output_section::is_relro_local): New function.
4205         (Output_section::set_is_relro_local): New function.
4206         (class Output_segment): Update declarations.
4207         * i386.cc (Target_i386::got_section): Mark .got section as relro.
4208         * sparc.cc (Target_sparc::got_section): Likewise.
4209         * x86_64.cc (Target_x86_64::got_section): Likewise.
4210         * testsuite/relro_test_main.cc: New file.
4211         * testsuite/relro_test.cc: New file.
4212         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
4213         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
4214         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
4215         (relro_test.so, relro_test_pic.o): New targets.
4216         * testsuite/Makefile.in: Rebuild.
4217
4218 2008-05-16  Ian Lance Taylor  <iant@google.com>
4219
4220         * output.cc (Output_segment::add_output_section): Remove front
4221         parameter.
4222         * output.h (class Output_segment): Remove
4223         add_initial_output_section and overloaded add_output_section.
4224         Update declaration of remaining add_output_section.
4225         * layout.cc (Layout::create_interp): Call add_output_section
4226         rather than add_initial_output_section.
4227         (Layout::finish_dynamic_section): Likewise.
4228
4229         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
4230         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
4231         know the dynamic type.
4232         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
4233         field.  Initialize it in constructor.
4234         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
4235         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
4236         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
4237         reloc.
4238
4239         * output.cc (Output_reloc::get_address): Change return type to
4240         Elf_Addr.
4241         * output.h (class Output_reloc): Update get_address declaration.
4242         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
4243         for section addresses.
4244
4245 2008-05-09  Ian Lance Taylor  <iant@google.com>
4246
4247         PR 6493
4248         * gold.cc (gold_nomem): Use return value of write.
4249
4250 2008-05-08  Ian Lance Taylor  <iant@google.com>
4251
4252         * symtab.c (Symbol::init_base_output_data): Add version
4253         parameter.  Change all callers.
4254         (Symbol::init_base_output_segment): Likewise.
4255         (Symbol::init_base_constant): Likewise.
4256         (Symbol::init_base_undefined): Likewise.
4257         (Sized_symbol::init_output_data): Likewise.
4258         (Sized_symbol::init_output_segment): Likewise.
4259         (Sized_symbol::init_constant): Likewise.
4260         (Sized_symbol::init_undefined): Likewise.
4261         (Symbol_table::do_define_in_output_data): If the new symbol has a
4262         version, mark it as the default.
4263         (Symbol_table::do_define_in_output_segment): Likewise.
4264         (Symbol_table::do_define_as_constant): Likewise.
4265         * symtab.h (class Symbol): Update declarations.
4266         (class Sized_symbol): Likewise.
4267         * resolve.cc (Symbol::override_version): New function.
4268         (Symbol::override_base): Call override_version.
4269         (Symbol::override_base_with_special): Likewise.
4270         * testsuite/ver_script_8.script: New file.
4271         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
4272         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
4273         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
4274         (ver_test_8_1.so, ver_test_8_2.so): New targets.
4275
4276 2008-05-06  Ian Lance Taylor  <iant@google.com>
4277
4278         PR 6049
4279         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
4280         functions.
4281         (class General_options): Remove existing --undefined, and add
4282         --no-undefined instead.  Add new --undefined as synonym for -u.
4283         * archive.cc (Archive::add_symbols): Check whether symbol was
4284         named with -u.
4285         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
4286         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
4287         all uses.  Add IS_UNDEFINED.  Update declarations to split
4288         different versions of init_base.  Declare init_base_undefined.
4289         (Symbol::is_defined): Handle IS_UNDEFINED.
4290         (Symbol::is_undefined): Likewise.
4291         (Symbol::is_weak_undefined): Call is_undefined.
4292         (Symbol::is_absolute): Handle IS_CONSTANT.
4293         (class Sized_symbol): Update declarations to split different
4294         versions of init.  Declare init_undefined.
4295         (class Symbol_table): Declare new functions.
4296         * symtab.cc (Symbol::init_base_object): Rename from init_base.
4297         Change all callers.
4298         (Symbol::init_base_output_data): Likewise.
4299         (Symbol::init_base_output_segment): Likewise.
4300         (Symbol::init_base_constant): Likewise.
4301         (Symbol::init_base_undefined): New function.
4302         (Sized_symbol::init_object): Rename from init.  Change all
4303         callers.
4304         (Sized_symbol::init_output_data): Likewise.
4305         (Sized_symbol::init_output_segment): Likewise.
4306         (Sized_symbol::init_constant): Likewise.
4307         (Sized_symbol::init_undefined): New function.
4308         (Symbol_table::add_undefined_symbols_from_command_line): New
4309         function.
4310         (Symbol_table::do_add_undefined_symbols_from_command_line): New
4311         function.
4312         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
4313         (Symbol::output_section): Likewise.
4314         (Symbol::set_output_section): Likewise.
4315         (Symbol_table::sized_finalize_symbol): Likewise.
4316         (Symbol_table::sized_write_globals): Likewise.
4317         * resolve.cc (Symbol_table::should_override): Likewise.
4318         (Symbol::override_base_with_special): Likewise.
4319
4320         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
4321         symbol, change it to have default visibility.
4322         * testsuite/protected_1.cc: New file.
4323         * testsuite/protected_2.cc: New file.
4324         * testsuite/protected_3.cc: New file.
4325         * testsuite/protected_main_1.cc: New file.
4326         * testsuite/protected_main_2.cc: New file.
4327         * testsuite/protected_main_3.cc: New file.
4328         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
4329         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
4330         (protected_1_LDFLAGS, protected_1_LDADD): Define.
4331         (protected_1.so): New target.
4332         (protected_1_pic.o, protected_2_pic.o): New targets.
4333         (protected_3_pic.o): New target.
4334         (check_PROGRAMS): Add protected_2.
4335         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
4336         (protected_2_LDFLAGS, protected_2_LDADD): Define.
4337         * testsuite/Makefile.in: Rebuild.
4338
4339         * options.h (DEFINE_var): Add set_user_set_##varname__.
4340         (DEFINE_bool_alias): New macro.
4341         (class General_options): Define -Bstatic using DEFINE_bool_alias
4342         rather than DEFINE_special.  Add --undefined as an alias for -z
4343         defs.
4344         * options.cc (General_options::parse_Bstatic): Remove.
4345
4346         * options.h (class General_options): Add --fatal-warnings.
4347         * main.cc (main): Implement --fatal-warnings.
4348         * errors.h (Errors::warning_count): New function.
4349
4350         * options.h (class General_options): Add -Bsymbolic-functions.
4351         * symtab.h (Symbol::is_preemptible): Check for
4352         -Bsymbolic-functions.
4353
4354 2008-05-05  Ian Lance Taylor  <iant@google.com>
4355
4356         * options.h (DEFINE_bool): For DASH_Z, create the negative option
4357         as noVARNAME rather than no-VARNAME.
4358         (class General_options): Add option -z combreloc.
4359         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
4360         get_address.
4361         (Output_reloc::sort_before) [SHT_REL]: New function.
4362         (Output_reloc::sort_before) [SHT_RELA]: New function.
4363         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
4364         Sort_relocs_comparison.
4365         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
4366         parameter.  Change all callers.
4367         (Output_data_reloc::Output_data_reloc) [both versions]: Add
4368         sort_relocs parameter.  Change all callers.
4369         * output.cc (Output_reloc::get_address): New function, broken out
4370         of write_rel.
4371         (Output_reloc::write_rel): Call it.
4372         (Output_reloc::compare): New function.
4373         (Output_data_reloc_base::do_write): Optionally sort relocs.
4374
4375         * configure.ac: If targ_extra_obj is set, link it in.
4376         * configure.tgt: Initialize all variables.
4377         (x86_64*): Set targ_extra_obj and targ_extra_size.
4378         * configure: Rebuild.
4379
4380         * object.cc (Sized_relobj::include_section_group): Adjust section
4381         indexes read from group data.  Build vector to pass to
4382         layout_group.
4383         * layout.cc (Layout::layout_group): Add flags and shndxes
4384         parameters.  Remove contents parameter.  Change caller.  Update
4385         explicit instantiations.
4386         * layout.h (class Layout): Update layout_group declaration.
4387         * output.cc (Output_data_group::Output_data_group): Add flags and
4388         input_shndxes parameters.  Remove contents parameter.  Change
4389         caller.
4390         (Output_data_group::do_write): Change input_sections_ to
4391         input_shndxes_.
4392         * output.h (class Output_data_group): Update constructor
4393         declaration.  Rename input_sections_ to input_shndxes_.
4394         * testsuite/many_sections_test.cc: Add template.
4395
4396 2008-04-30  Cary Coutant  <ccoutant@google.com>
4397
4398         * target-reloc.h (relocate_section): Fix dead-pointer bug.
4399
4400         * layout.cc (Layout::include_section): Refactored check for debug
4401         info section.
4402         (Layout::add_comdat): Add new parameters.  Change type
4403         of signature parameter.  Add object and shndx to signatures table.
4404         (Layout::find_kept_object): New function.
4405         * layout.h: Include <cstring>.
4406         (Layout::is_debug_info_section): New function.
4407         (Layout::add_comdat): Add new parameters.
4408         (Layout::find_kept_object): New function.
4409         (Layout::Kept_section): New struct.
4410         (Layout::Signatures): Change type of map range.
4411         * object.cc (Relobj::output_section_address): New function.
4412         (Sized_relobj::include_section_group): Add new parameters.  Change
4413         calls to Layout::add_comdat.  Change to build table of kept comdat
4414         groups and table mapping discarded sections to kept sections.
4415         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
4416         (Sized_relobj::do_layout): Change calls to include_section_group and
4417         include_linkonce_section.
4418         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
4419         value to zero when section is discarded.
4420         (Sized_relobj::map_to_kept_section): New function.
4421         * object.h (Relobj::output_section_address): New function.
4422         (Relobj::Comdat_group): New type.
4423         (Relobj::find_comdat_group): New function.
4424         (Relobj::Comdat_group_table): New type.
4425         (Relobj::Kept_comdat_section): New type.
4426         (Relobj::Kept_comdat_section_table): New type.
4427         (Relobj::add_comdat_group): New function.
4428         (Relobj::set_kept_comdat_section): New function.
4429         (Relobj::get_kept_comdat_section): New function.
4430         (Relobj::comdat_groups_): New field.
4431         (Relobj::kept_comdat_sections_): New field.
4432         (Symbol_value::input_value): Update comment.
4433         (Sized_relobj::map_to_kept_section) New function.
4434         (Sized_relobj::include_linkonce_section): Add new parameter.
4435         * target-reloc.h (Comdat_behavior): New type.
4436         (get_comdat_behavior): New function.
4437         (relocate_section): Add code to map a discarded section to the
4438         corresponding kept section when applying a relocation.
4439
4440 2008-04-30  Craig Silverstein  <csilvers@google.com>
4441
4442         * dwarf_reader.cc (next_generation_count): New static var.
4443         (Addr2line_cache_entry): New struct.
4444         (addr2line_cache): New static var.
4445         (Dwarf_line_info::one_addr2line): Added caching.
4446         (Dwarf_line_info::clear_addr2line_cache): New function.
4447         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
4448         cache-size parameter.
4449         (Dwarf_line_info::one_addr2line_cache): New function.
4450         * symtab.cc (Symbol_table::detect_odr_violations): Pass
4451         new cache-size argument to one_addr2line(), and clear cache.
4452
4453 2008-04-28  Cary Coutant  <ccoutant@google.com>
4454
4455         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
4456         R_386_PC8 relocations.
4457
4458 2008-04-23  Ian Lance Taylor  <iant@google.com>
4459
4460         * object.cc (Sized_relobj::include_section_group): Check for
4461         invalid section group.
4462
4463         * object.cc (make_elf_object): Correct test for 64-bit ELF file
4464         header size.
4465
4466         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
4467         than read for file header.
4468         * archive.cc (Archive::include_member): Likewise.
4469
4470 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
4471
4472         * aclocal.m4: Regenerate.
4473         * configure: Regenerate.
4474
4475 2008-04-19  Ian Lance Taylor  <iant@google.com>
4476
4477         * version.cc (version_string): Bump to 1.6.
4478
4479         * testsuite/Makefile.am (many_sections_r_test): New target.
4480         (many_sections_r_test_SOURCES): Remove.
4481         (many_sections_r_test_DEPENDENCIES): Remove.
4482         (many_sections_r_test_LDFLAGS): Remove.
4483         (many_sections_r_test_LDADD): Remove.
4484
4485         * object.cc (Sized_relobj::do_add_symbols): Always pass
4486         local_symbol_count_ to add_from_relobj.
4487
4488         * testsuite/Makefile.am (many_sections_check.h): Only check one in
4489         every thousand variables.
4490         * testsuite/Makefile.in: Rebuild.
4491
4492         * object.cc (Xindex::initialize_symtab_xindex): New function.
4493         (Xindex::read_symtab_xindex): New function.
4494         (Xindex::sym_xindex_to_shndx): New function.
4495         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
4496         available.
4497         (Sized_relobj::do_initialize_xindex): New function.
4498         (Sized_relobj::do_read_symbols): Adjust section links.
4499         (Sized_relobj::symbol_section_and_value): Add is_ordinary
4500         parameter.  Change all callers.
4501         (Sized_relobj::include_section_group): Adjust section links and
4502         symbol section indexes.
4503         (Sized_relobj::do_layout): Adjust section links.
4504         (Sized_relobj::do_count_local_symbols): Adjust section links and
4505         symbol section indexes.
4506         (Sized_relobj::do_finalize_local_symbols): Distinguish between
4507         ordinary and special symbols.
4508         (Sized_relobj::write_local_symbols): Add symtab_xindex and
4509         dynsym_xindex parameters.  Change all callers.  Adjust section
4510         links.  Use SHN_XINDEX when needed.
4511         (Sized_relobj::get_symbol_location_info): Adjust section links.
4512         Don't get fooled by special symbols.
4513         * object.h (class Xindex): Define.
4514         (class Object): Add xindex_ parameter.  Declare virtual functoin
4515         do_initialize_xindex.
4516         (Object::adjust_sym_shndx): New function.
4517         (Object::set_xindex): New protected function.
4518         (class Symbol_value): Add is_ordinary_shndx_ field.
4519         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
4520         (Symbol_value::value): Assert ordinary section.
4521         (Symbol_value::initialize_input_to_output_map): Likewise.
4522         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
4523         Change all callers.
4524         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
4525         all callers.
4526         (class Sized_relobj): Update declarations.
4527         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
4528         parameter.  Change all callers.
4529         (Sized_relobj::adjust_shndx): New function.
4530         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
4531         field.
4532         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
4533         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
4534         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
4535         (Sized_dynobj::read_dynsym_section): Adjust section links.
4536         (Sized_dynobj::read_dynamic): Likewise.
4537         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
4538         section links.
4539         (Sized_dynobj::do_initialize_xindex): New function.
4540         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
4541         do_initialize_xindex.
4542         (Sized_dynobj::adjust_shndx): New function.
4543         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
4544         dynsym_xindex_ fields.
4545         (Layout::finalize): Add a call to set_section_indexes before
4546         creating the symtab sections.
4547         (Layout::set_section_indexes): Don't do anything if the section
4548         already has a section index.
4549         (Layout::create_symtab_sections): Add shnum parameter.  Change
4550         caller.  Create .symtab_shndx section if needed.
4551         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
4552         caller.
4553         (Layout::allocated_output_section_count): New function.
4554         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
4555         needed.
4556         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
4557         fields.  Update declarations.
4558         (Layout::symtab_xindex): New function.
4559         (Layout::dynsym_xindex): New function.
4560         (class Write_symbols_task): Add layout_ field.
4561         (Write_symbols_task::Write_symbols_task): Add layout parameter.
4562         Change caller.
4563         * output.cc (Output_section_headers::Output_section_headers): Add
4564         shstrtab_section parameter.  Change all callers.
4565         (Output_section_headers::do_sized_write): Store overflow values
4566         for section count and section string table section index in
4567         section header zero.
4568         (Output_file_header::do_sized_write): Check for overflow of
4569         section count and section string table section index.
4570         (Output_symtab_xindex::do_write): New function.
4571         (Output_symtab_xindex::endian_do_write): New function.
4572         * output.h (class Output_section_headers): Add shstrtab_section_.
4573         Update declarations.
4574         (class Output_symtab_xindex): Define.
4575         (Output_section::has_out_shndx): New function.
4576         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
4577         field.
4578         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
4579         Change all callers.
4580         (Sized_symbol::init): Likewise.
4581         (Symbol::output_section): Check for ordinary symbol.
4582         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
4583         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
4584         callers.
4585         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
4586         Change all callers.  Simplify handling of symbols from sections
4587         not included in the link.
4588         (Symbol_table::add_from_dynobj): Handle ordinary symbol
4589         distinction.
4590         (Weak_alias_sorter::operator()): Assert that symbols are
4591         ordinary.
4592         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
4593         distinction.
4594         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
4595         parameters.  Change all callers.
4596         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
4597         symbol distinction.  Use SHN_XINDEX when needed.
4598         (Symbol_table::write_section_symbol): Add symtab_xindex
4599         parameter.  Change all callers.
4600         (Symbol_table::sized_write_section_symbol): Likewise.  Use
4601         SHN_XINDEX when needed.
4602         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
4603         declarations.
4604         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
4605         (Symbol::is_defined): Check is_ordinary.
4606         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
4607         (Symbol::is_absolute, Symbol::is_common): Likewise.
4608         (class Sized_symbol): Update declarations.
4609         (class Symbol_table): Update declarations.
4610         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
4611         parameters.  Change all callers.
4612         (Sized_symbol::override): Likewise.
4613         (Symbol_table::override): Likewise.
4614         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
4615         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
4616         is_ordinary, and orig_st_shndx parameters.  Change all callers.
4617         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
4618         to be in an ordinary section.
4619         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
4620         object and is_ordinary parameters.  Change all callers.
4621         (Sized_dwarf_line_info::read_relocs): Add object parameter.
4622         Change all callers.  Don't add undefined or non-ordinary symbols
4623         to reloc_map_.
4624         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
4625         Change all callers.
4626         * dwarf_reader.h (class Sized_dwarf_line_info): Update
4627         declarations.
4628         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
4629         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
4630         (Sized_relobj::relocate_sections): Likewise.
4631         * target-reloc.h (scan_relocs): Adjust section symbol index.
4632         (scan_relocatable_relocs): Likewise.
4633         * i386.cc (Scan::local): Check for ordinary symbols.
4634         * sparc.cc (Scan::local): Likewise.
4635         * x86_64.cc (Scan::local): Likewise.
4636         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
4637         to symbol_section_and_value.
4638         * testsuite/many_sections_test.cc: New file.
4639         * testsuite/Makefile.am (BUILT_SOURCES): Define.
4640         (check_PROGRAMS): Add many_sections_test.
4641         (many_sections_test_SOURCES): Define.
4642         (many_sections_test_DEPENDENCIES): Define.
4643         (many_sections_test_LDFLAGS): Define.
4644         (BUILT_SOURCES): Add many_sections_define.h.
4645         (many_sections_define.h): New target.
4646         (BUILT_SOURCES): Add many_sections_check.h.
4647         (many_sections_check.h): New target.
4648         (check_PROGRAMS): Add many_sections_r_test.
4649         (many_sections_r_test_SOURCES): Define.
4650         (many_sections_r_test_DEPENDENCIES): Define.
4651         (many_sections_r_test_LDFLAGS): Define.
4652         (many_sections_r_test_LDADD): Define.
4653         (many_sections_r_test.o): New target.
4654         * testsuite/Makefile.in: Rebuild.
4655
4656 2008-04-17  Cary Coutant  <ccoutant@google.com>
4657
4658         * errors.cc (Errors::info): New function.
4659         (gold_info): New function.
4660         * errors.h (Errors::info): New function.
4661         * gold.h (gold_info): New function.
4662         * object.cc (Input_objects::add_object): Print trace output.
4663         * options.cc (options::parse_set): New function.
4664         (General_options::parse_wrap): Deleted.
4665         (General_options::General_options): Deleted initializer.
4666         * options.h (options::String_set): New typedef.
4667         (options::parse_set): New function.
4668         (DEFINE_set): New macro.
4669         (General_options::wrap): Changed to use DEFINE_set. Changed
4670         callers of any_wrap_symbols and is_wrap_symbol.
4671         (General_options::trace, General_options::trace_symbol):
4672         New options.
4673         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
4674         (General_options::wrap_symbols_): Deleted.
4675         * symtab.cc (Symbol_table::add_from_object): Print trace output.
4676
4677 2008-04-17  David S. Miller  <davem@davemloft.net>
4678
4679         * options.cc (General_options::parse_V): New function.
4680         * options.h: Add entries for -V and -Qy.
4681
4682 2008-04-17  Ian Lance Taylor  <iant@google.com>
4683
4684         * common.cc (Symbol_table::allocate_commons): Remove options
4685         parameter.  Change caller.
4686         (Symbol_table::do_allocate_commons): Remove options parameter.
4687         Change caller.  Just call do_allocate_commons_list twice.
4688         (Symbol_table::do_allocate_commons_list): New function, broken out
4689         of do_allocate_commons.
4690         * common.h (class Allocate_commons_task): Remove options_ field.
4691         Update constructor.
4692         * symtab.cc (Symbol_table::Symbol_table): Initialize
4693         tls_commons_.
4694         (Symbol_table::add_from_object): Put TLS common symbols on
4695         tls_commons_ list.
4696         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
4697         which are IN_OUTPUT_DATA.
4698         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
4699         allocate_commons and do_allocate_commons declarations.  Declare
4700         do_allocate_commons_list.
4701         * gold.cc (queue_middle_tasks): Update creation of
4702         Allocate_commons_task to not pass options.
4703         * testsuite/Makefile.am (INCLUDES): Add -I.. .
4704         (TLS_TEST_C_FLAGS): New variable.
4705         (tls_test_c_pic.o): New target.
4706         (tls_test_shared.so): Link in tls_test_c_pic.o.
4707         (tls_test_c_pic_ie.o): New target.
4708         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
4709         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
4710         (tls_test_c.o): New target.
4711         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
4712         (tls_pic_test_LDADD): Likewise.
4713         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
4714         (tls_shared_gd_to_ie_test_LDADD): Likewise.
4715         (tls_test_c_gnu2.o): New target.
4716         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
4717         tls_test_c_gnu2.o.
4718         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
4719         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
4720         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
4721         * testsuite/tls_test.cc: Include "config.h".
4722         (t_last): Call t11_last.
4723         * testsuite/tls_test.h (t11, t11_last): Declare.
4724         * testsuite/tls_test_c.c: New file.
4725         * testsuite/tls_test_main.cc (thread_routine): Call t11.
4726         * configure.ac: Check for OpenMP support.
4727         * configure, config.in, Makefile.in: Rebuild.
4728         * testsuite/Makefile.in: Rebuild.
4729
4730 2008-04-16  Cary Coutant  <ccoutant@google.com>
4731
4732         * i386.cc (Target_i386::define_tls_base_symbol): New function.
4733         (Target_i386::tls_base_symbol_defined_): New field.
4734         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
4735         (Target_i386::Scan::global): Likewise.
4736         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
4737         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
4738         (Target_x86_64::tls_base_symbol_defined_): New field.
4739         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
4740         (Target_x86_64::Scan::global): Likewise.
4741
4742 2008-04-16  Cary Coutant  <ccoutant@google.com>
4743
4744         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
4745         (Symbol::needs_plt_entry): Allow weak undefined symbols.
4746         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
4747         building shared libraries.
4748         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
4749         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
4750         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
4751         * testsuite/Makefile.in: Rebuild.
4752         * testsuite/weak_undef.h: New file.
4753         * testsuite/weak_undef_file1.cc: Add extra test cases.
4754         * testsuite/weak_undef_file2.cc: Likewise.
4755         * testsuite/weak_undef_test.cc: Likewise.
4756
4757 2008-04-16  David S. Miller  <davem@davemloft.net>
4758
4759         * sparc.cc (Target_sparc::Scan): Change from struct to class.
4760         Add issued_non_pic_error_ field.  Declare check_non_pic.
4761         (Target_sparc::Scan::check_non_pic): New function.
4762         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
4763         (Target_sparc::Scan::global): Likewise.
4764
4765         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
4766         * configure: Rebuild.
4767
4768         * options.h (DEFINE_enable): New macro.
4769         (new_dtags): New enable option.
4770         (initfirst, interpose, loadfltr, nodefaultlib,
4771         nodelete, nodlopen, nodump): New -z options.
4772         * layout.cc (Layout:finish_dynamic_section): If new
4773         dtags enabled, emit DT_RUNPATH.  Also, emit a
4774         DT_FLAGS_1 containing any specified -z flags.
4775
4776 2008-04-16  Ian Lance Taylor  <iant@google.com>
4777
4778         * copy-relocs.cc: New file.
4779         * copy-relocs.h: New file.
4780         * reloc.cc: Remove Copy_relocs code.
4781         * reloc.h: Likewise.
4782         * reloc-types.h (struct Reloc_types) [both versions]: Add
4783         get_reloc_addend_noerror.
4784         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
4785         variants of add_global which take an addend which must be zero.
4786         * i386.cc: Include "copy-relocs.h".
4787         (class Target_i386): Change type of copy_relocs_ to variable,
4788         update initializer.
4789         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
4790         Change all callers.
4791         (Target_i386::do_finalize_sections): Change handling of
4792         copy_relocs_.
4793         * sparc.cc: Include "copy-relocs.h".
4794         (class Target_sparc): Change type of copy_relocs_ to variable,
4795         update initializer.
4796         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
4797         Change all callers.
4798         (Target_sparc::do_finalize_sections): Change handling of
4799         copy_relocs_.
4800         * x86_64.cc: Include "copy-relocs.h".
4801         (class Target_x86_64): Change type of copy_relocs_ to variable,
4802         update initializer.
4803         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
4804         class.  Change all callers.
4805         (Target_x86_64::do_finalize_sections): Change handling of
4806         copy_relocs_.
4807         * Makefile.am (CCFILES): Add copy-relocs.cc.
4808         (HFILES): Add copy-relocs.h.
4809
4810         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
4811
4812         * testsuite/script_test_4.sh: Permit leading zeroes.
4813
4814 2008-04-15  Ian Lance Taylor  <iant@google.com>
4815
4816         * script-sections.cc (Script_sections::create_segments): Use
4817         header_size_adjustment even when there is enough room for the
4818         headers.
4819         * testsuite/script_test_4.sh: New file.
4820         * testsuite/script_test_4.t: New file.
4821         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
4822         (check_DATA): Add script_test_4.stdout.
4823         (MOSTLYCLEANFILES): Likewise.
4824         (script_test_4): New target.
4825         (script_test_4.stdout): New target.
4826         * testsuite/Makefile.in: Rebuild.
4827
4828         * sparc.cc: Add definitions for Output_data_plt_sparc class
4829         constants.
4830
4831 2008-04-14  David S. Miller  <davem@davemloft.net>
4832
4833         * sparc.cc: New file.
4834         * Makefile.am (TARGETSOURCES): Add sparc.cc
4835         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
4836         * configure.tgt: Document targ_extra_size and
4837         targ_extra_big_endian.  Add entries for sparc-* and
4838         sparc64-*.
4839         * configure.ac: Handle targ_extra_size and
4840         targ_extra_big_endian.
4841         * Makefile.in: Rebuild.
4842         * configure: Likewise.
4843         * po/POTFILES.in: Likewise.
4844         * po/gold.pot: Likewise.
4845
4846 2008-04-14  Ian Lance Taylor  <iant@google.com>
4847
4848         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
4849         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
4850         in the name/type/flags to section mapping.  Don't call
4851         allocate_output_section.
4852         (Layout::choose_output_section): Change parameter from adjust_name
4853         to is_input_section.  Don't permit input sections after sections
4854         are attached to segments.  Don't call allocate_output_section.
4855         (Layout::layout_eh_frame): Call update_flags_for_input_section,
4856         not write_enable_output_section.
4857         (Layout::make_output_section): Don't push to
4858         unattached_section_list_ nor call attach_to_segment.  Call
4859         attach_section_to_segment if sections are attached.
4860         (Layout::attach_sections_to_segments): New function.
4861         (Layout::attach_section_to_segment): New function.
4862         (Layout::attach_allocated_section_to_segment): Rename from
4863         attach_to_segment.  Remove flags parameter.
4864         (Layout::allocate_output_section): Remove function.
4865         (Layout::write_enable_output_section): Remove function.
4866         * layout.h (class Layout): Update for above changes.  Add new
4867         field sections_are_attached_.
4868         * output.h (Output_section::update_flags_for_input_section): New
4869         function.
4870         * output.cc (Output_section::add_input_section): Call
4871         update_flags_for_input_section.
4872         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
4873
4874 2008-04-11  Cary Coutant  <ccoutant@google.com>
4875
4876         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
4877         thought unnecessary.
4878         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
4879
4880 2008-04-11  Ian Lance Taylor  <iant@google.com>
4881
4882         * output.h (class Output_section_data): Remove inline definition
4883         of set_addralign.
4884         * output.cc (Output_section_data::set_addralign): New function.
4885
4886 2008-04-11  Cary Coutant  <ccoutant@google.com>
4887
4888         Add support for TLS descriptors for i386 and x86_64.
4889         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
4890         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
4891         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
4892         GOT_TYPE_TLS_DESC.
4893         (Target_i386::got_mod_index_entry): Remove unnecessary code.
4894         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
4895         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
4896         relocations.
4897         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
4898         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
4899         Fix problem with initial-exec relocations.
4900         (Target_i386::Relocate::relocate_tls): Likewise.
4901         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
4902         relaxation.
4903         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
4904         support for section-plus-offset dynamic table entries.
4905         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
4906         (Output_data_dynamic::Dynamic_entry): Add support for
4907         section-plus-offset dynamic table entries.
4908         (Output_data_dynamic::Classification): Likewise.
4909         (Output_data_dynamic::classification_): Renamed offset_.
4910         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
4911         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
4912         (Target_x86_64::make_plt_section): New function.
4913         (Target_x86_64::reserve_tlsdesc_entries): New function.
4914         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
4915         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
4916         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
4917         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
4918         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
4919         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
4920         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
4921         add extra PLT entry for TLS descriptors.
4922         (Output_data_plt_x86_64::got_): New field.
4923         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
4924         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
4925         fields.
4926         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
4927         descriptors.
4928         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
4929         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
4930         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
4931         R_386_TLS_DESC_CALL relocations.
4932         (Target_x86_64::Scan::global): Likewise.
4933         (Target_x86_64::do_finalize_sections): Add dynamic table entries
4934         for TLS descriptors.
4935         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
4936         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
4937         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
4938         GD-to-IE relaxation.
4939         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
4940         and TLS_DESCRIPTORS.
4941         * Makefile.in: Rebuild.
4942         * configure: Rebuild.
4943         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
4944         (tls_test_shared2.so): New target.
4945         (tls_shared_gd_to_ie_test_SOURCES): New variable.
4946         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
4947         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
4948         (tls_shared_gd_to_ie_test_LDADD): New variable.
4949         (tls_shared_gnu2_gd_to_ie_test): New target.
4950         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
4951         New targets.
4952         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
4953         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
4954         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
4955         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
4956         (tls_shared_gnu2_test): New target.
4957         (tls_test_gnu2_shared.so): New target.
4958         (tls_shared_gnu2_test_SOURCES): New variable.
4959         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
4960         (tls_shared_gnu2_test_LDFLAGS): New variable.
4961         (tls_shared_gnu2_test_LDADD): New variable.
4962         * testsuite/Makefile.in: Rebuild.
4963         * testsuite/Makefile.
4964
4965 2008-04-11  Ian Lance Taylor  <iant@google.com>
4966
4967         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
4968         justsyms.t.
4969         * testsuite/Makefile.in: Rebuild.
4970
4971         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
4972         long.
4973         * testsuite/script_test_2.cc (main): Adjust test.
4974
4975 2008-04-11  David S. Miller  <davem@davemloft.net>
4976             Ian Lance Taylor  <iant@google.com>
4977
4978         * options.h (General_options): Add entries for '-Y' and
4979         '-relax'.
4980         * options.cc (General_options:finalize): If -Y was used, add those
4981         entries to the library path instead of the default "/lib" and
4982         "/usr/lib".
4983
4984 2008-04-11  David S. Miller  <davem@davemloft.net>
4985
4986         * testsuite/justsyms.t: Start at 0x100.
4987         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
4988         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
4989         long.
4990         * testsuite/script_test_2.cc: Adjust string and section length
4991         checks.
4992
4993 2008-04-09  Ian Lance Taylor  <iant@google.com>
4994
4995         PR gold/5996
4996         * script-sections.cc (Sections_element::allocate_to_segment): Add
4997         orphan parameter.
4998         (Output_section_definition::allocate_to_segment): Likewise.
4999         (Orphan_output_section::allocate_to_segment): Likewise.
5000         (Script_sections::attach_sections_using_phdrs_clause): Don't
5001         propagate non-PT_LOAD segments to orphan sections.
5002         * testsuite/Makefile.am (script_test_3.stdout): Generate using
5003         readelf rather than objdump.
5004         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
5005         .interp section and PT_INTERP segment are the same size.
5006         * testsuite/Makefile.in: Rebuild.
5007
5008         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
5009         aliases for symbols defined in the same object.
5010         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
5011         (weak_alias_test_SOURCES): New variable.
5012         (weak_alias_test_DEPENDENCIES): New variable.
5013         (weak_alias_test_LDFLAGS): New variable.
5014         (weak_alias_test_LDADD): New variable.
5015         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
5016         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
5017         (weak_alias_test_3.o): New target.
5018         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
5019         * testsuite/weak_alias_test_main.cc: New file.
5020         * testsuite/weak_alias_test_1.cc: New file.
5021         * testsuite/weak_alias_test_2.cc: New file.
5022         * testsuite/weak_alias_test_3.cc: New file.
5023
5024 2008-04-08  Ian Lance Taylor  <iant@google.com>
5025
5026         * options.h (class General_options): Add --noinhibit-exec option.
5027         * main.cc (main): Check --noinhibit-exec.
5028
5029         * options.h (class General_options): Define --wrap as a special
5030         option.  Add wrap_symbols_ field.
5031         (General_options::any_wrap_symbols): New function.
5032         (General_options::is_wrap_symbol): New function.
5033         * options.cc (General_options::parse_wrap): New function.
5034         (General_options::General_options): Initialize wrap_symbols_.
5035         * symtab.cc (Symbol_table::wrap_symbol): New function.
5036         (Symbol_table::add_from_object): Handle --wrap.
5037         * symtab.h (class Symbol_table): Declare wrap_symbol.
5038         * target.h (Target::wrap_char): New function.
5039         (Target::Target_info): Add wrap_char field.
5040         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
5041         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
5042         * testsuite/testfile.cc (Target_test::test_target_info):
5043         Likewise.
5044
5045         * errors.cc (Errors::undefined_symbol): Mention symbol version if
5046         there is one.
5047
5048         * layout.h (class Layout): Add added_eh_frame_data_ field.
5049         * layout.cc (Layout::Layout): Initialize new field.
5050         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
5051         output section until we find a section we merged successfully.
5052         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
5053         that the size be non-zero.
5054
5055         * merge.cc (Object_merge_map::get_output_offset): Remove inline
5056         qualifier.
5057
5058 2008-04-08  Craig Silverstein  <csilvers@google.com>
5059
5060         * configure.ac: Export new conditional variable HAVE_ZLIB.
5061         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
5062         on HAVE_ZLIB.
5063         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
5064         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
5065
5066 2008-04-07  Ian Lance Taylor  <iant@google.com>
5067
5068         * version.cc (version_string): Set to "1.5".
5069
5070         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
5071         Add issued_non_pic_error_ field.  Declare check_non_pic.
5072         (Target_x86_64::Scan::check_non_pic): New function.
5073         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
5074         (Target_x86_64::Scan::global): Likewise.
5075
5076         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
5077         addend parameter.  Change caller.  Handle merge sections.
5078         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
5079         Address to Addend.  Don't add in the result of
5080         local_section_offset, pass down the addend and use the returned
5081         value.
5082         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
5083         Update declarations of local_section_offset and symbol_value.
5084         * testsuite/two_file_test_1.cc (t18): New function.
5085         * testsuite/two_file_test_2.cc (f18): New function.
5086         * testsuite/two_file_test_main.cc (main): Call t18.
5087         * testsuite/two_file_test.h (t18, f18): Declare.
5088
5089         * configure.ac: Don't test for objdump, c++filt, or readelf.
5090         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
5091         conditionals.
5092         (TEST_READELF): New variable.
5093         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
5094         (check_PROGRAMS): Add two_file_strip_test.
5095         (two_file_strip_test): New target.
5096         (check_PROGRAMS): Add two_file_same_shared_strip_test.
5097         (two_file_same_shared_strip_test_SOURCES): New variable.
5098         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
5099         (two_file_same_shared_strip_test_LDFLAGS): New variable.
5100         (two_file_same_shared_strip_test_LDADD): New variable.
5101         (two_file_shared_strip.so): New target.
5102         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
5103         (ver_test_5.syms, ver_test_7.syms): Likewise.
5104         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
5105         (strip_test_3.stdout): Use TEST_OBJDUMP.
5106         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
5107
5108 2008-04-04  Cary Coutant  <ccoutant@google.com>
5109
5110         * symtab.h (Symbol::is_weak_undefined): New function.
5111         (Symbol::is_strong_undefined): New function.
5112         (Symbol::is_absolute): New function.
5113         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
5114         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
5115         absolute symbols.
5116         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
5117         (weak_undef_test): New target.
5118         * testsuite/Makefile.in: Rebuild.
5119         * testsuite/weak_undef_file1.cc: New file.
5120         * testsuite/weak_undef_file2.cc: New file.
5121         * testsuite/weak_undef_test.cc: New file.
5122
5123 2008-04-03  Craig Silverstein  <csilvers@google.com>
5124
5125         * compressed_output.h (class Output_compressed_section): Use
5126         unsigned buffer.
5127         * compressed_output.cc (zlib_compress): Use unsigned buffers,
5128         add zlib header.
5129         (zlib_compressed_suffix): Removed.
5130         (Output_compressed_section::set_final_data_size): Use unsigned
5131         buffers.
5132         * testsuite/Makefile.am (flagstest_compress_debug_sections):
5133         Fix linker invocation.
5134         (flagstest_o_specialfile_and_compress_debug_sections):
5135         Likewise.
5136         * testsuite/Makefile.in: Regenerated.
5137
5138 2008-04-02  David S. Miller  <davem@davemloft.net>
5139
5140         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
5141         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
5142
5143 2008-04-02  Craig Silverstein  <csilvers@google.com>
5144
5145         * TODO: New file.
5146
5147 2008-04-02  Ian Lance Taylor  <iant@google.com>
5148
5149         * fileread.cc (File_read::find_view): Add byteshift and vshifted
5150         parameters.  Update for new key type to views_.  Change all
5151         callers.
5152         (File_read::read): Adjust for byteshift in returned view.
5153         (File_read::add_view): New function, broken out of
5154         find_and_make_view.
5155         (File_read::make_view): New function, broken out of
5156         find_and_make_view.
5157         (File_read::find_or_make_view): Add offset and aligned
5158         parameters.  Rewrite accordingly.  Change all callers.
5159         (File_read::get_view): Add offset and aligned parameters.  Adjust
5160         for byteshift in return value.
5161         (File_read::get_lasting_view): Likewise.
5162         * fileread.h (class File_read): Update declarations.
5163         (class File_read::View): Add byteshift_ field.  Add byteshift to
5164         constructor.  Add byteshift method.
5165         * archive.h (Archive::clear_uncached_views): New function.
5166         (Archive::get_view): Add aligned parameter.  Change all callers.
5167         * object.h (Object::get_view): Add aligned parameter.  Change all
5168         callers.
5169         (Object::get_lasting_view): Likewise.
5170
5171         * fileread.cc (File_read::release): Don't call clear_views if
5172         there are multiple objects.
5173         * fileread.h (File_read::clear_uncached_views): New function.
5174         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
5175         on the archive.
5176
5177 2008-03-31  Cary Coutant  <ccoutant@google.com>
5178
5179         Add thin archive support.
5180         * archive.cc (Archive::armagt): New const.
5181         (Archive::setup): Remove task parameter and calls to unlock.
5182         (Archive::unlock_nested_archives): New function.
5183         (Archive::read_header): Add nested_off parameter. Change
5184         all callers.
5185         (Archive::interpret_header): Likewise.
5186         (Archive::include_all_members): Change to handle thin
5187         archives.
5188         (Archive::include_member): Likewise.
5189         * archive.h (Archive::Archive): Add new parameters and
5190         initializers.
5191         (Archive::armagt): New const.
5192         (Archive::setup): Remove task parameter.
5193         (Archive::unlock_nested_archives): New function.
5194         (Archive::read_header): Add nested_off parameter.
5195         (Archive::interpret_header): Likewise.
5196         (Archive::Nested_archive_table): New typedef.
5197         (Archive::is_thin_archive_): New field.
5198         (Archive::nested_archives_): New field.
5199         (Archive::options_): New field.
5200         (Archive::dirpath_): New field.
5201         (Archive::task_): New field.
5202         * readsyms.cc (Read_symbols::do_read_symbols): Add check
5203         for thin archives.  Pass additional parameters to
5204         Archive::Archive.  Unlock the archive file after calling
5205         Archive::setup.
5206
5207 2008-03-29  Ian Lance Taylor  <iant@google.com>
5208
5209         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
5210         version symbol to be local.
5211         * testsuite/ver_test_4.sh: New file.
5212         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
5213         (check_DATA): Add ver_test_4.syms.
5214         (ver_test_4.syms): New target.
5215         * testsuite/Makefile.in: Rebuild.
5216
5217         * output.cc
5218         (Output_section::Input_section_sort_entry::has_priority): New
5219         function.
5220         (Output_section::Input_section_sort_entry::match_file_name): New
5221         function.
5222         (Output_section::Input_section_sort_entry::match_section_name):
5223         Remove.
5224         (Output_section::Input_section_sort_entry::match_section_name_prefix):
5225         Remove.
5226         (Output_section::Input_section_sort_entry::match_section_file):
5227         Remove.
5228         (Output_section::Input_section_sort_compare::operator()): Rewrite
5229         using new Input_section_sort_entry functions.  Sort crtbegin and
5230         crtend first.  Sort sections with no priority before sections with
5231         a priority.
5232         * testsuite/initpri1.c (d3): Check j != 4.
5233         (cd5): New constructor/destructor function.
5234         (main): Check j != 2.
5235
5236         * symtab.cc (Symbol_table::add_from_object): If we don't use the
5237         new symbol when resolving, don't call set_is_default.
5238         * testsuite/ver_test_7.cc: New file.
5239         * testsuite/ver_test_7.sh: New file.
5240         * testsuite/Makefile.am (ver_test_7.so): New target.
5241         (ver_test_7.o): New target.
5242         (check_SCRIPTS): Add ver_test_7.sh.
5243         (check_DATA): Add ver_test_7.syms.
5244         (ver_test_7.syms): New target.
5245
5246 2008-03-28  Ian Lance Taylor  <iant@google.com>
5247
5248         * layout.cc (Layout::layout): If we see an input section with a
5249         name that needs sorting, set the must_sort flag for the output
5250         section.
5251         (Layout::make_output_section): If the name of the output section
5252         indicates that it might require sorting, set the may_sort flag.
5253         * output.h (Output_section::may_sort_attached_input_sections): New
5254         function.
5255         (Output_section::set_may_sort_attached_input_sections): New
5256         function.
5257         (Output_section::must_sort_attached_input_sections): New
5258         function.
5259         (Output_section::set_must_sort_attached_input_sections): New
5260         function.
5261         (class Output_section): Declare Input_section_sort_entry.  Define
5262         Input_section_sort_compare.  Declare
5263         sort_attached_input_sections.  Add new fields:
5264         may_sort_attached_input_sections_,
5265         must_sort_attached_input_sections_,
5266         attached_input_sections_are_sorted_.
5267         * output.cc (Output_section::Output_section): Initialize new
5268         fields.
5269         (Output_section::add_input_section): Add an entry to
5270         input_sections_ if may_sort or must_sort are true.
5271         (Output_section::set_final_data_size): Call
5272         sort_attached_input_sections if necessary.
5273         (Output_section::Input_section_sort_entry): Define new class.
5274         (Output_section::Input_section_sort_compare::operator()): New
5275         function.
5276         (Output_section::sort_attached_input_sections): New function.
5277         * configure.ac: Check whether the compiler supports constructor
5278         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
5279         * testsuite/initpri1.c: New file.
5280         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
5281         CONSTRUCTOR_PRIORITY.
5282         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
5283         (initpri1_LDFLAGS): New variable.
5284         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
5285
5286 2008-03-27  Ian Lance Taylor  <iant@google.com>
5287
5288         * common.cc (Sort_commons::operator): Correct sorting algorithm.
5289         * testsuite/common_test_1.c: New file.
5290         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
5291         (common_test_1_SOURCES): New variable.
5292         (common_test_1_DEPENDENCIES): New variable.
5293         (common_test_1_LDFLAGS): New variable.
5294
5295         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
5296         and commons_ correctly when NAME/VERSION does not override
5297         NAME/NULL.
5298         * testsuite/ver_test_6.c: New file.
5299         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
5300         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
5301         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
5302
5303 2008-03-26  Ian Lance Taylor  <iant@google.com>
5304
5305         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
5306         of an undefined symbol from a version script.
5307         * testsuite/Makefile.am (ver_test_5.so): New target.
5308         (ver_test_5.o): New target.
5309         (check_SCRIPTS): Add ver_test_5.sh.
5310         (check_DATA): Add ver_test_5.syms.
5311         (ver_test_5.syms): New target.
5312         * testsuite/ver_test_5.cc: New file.
5313         * testsuite/ver_test_5.script: New file.
5314         * testsuite/ver_test_5.sh: New file.
5315         * Makefile.in, testsuite/Makefile.in: Rebuild.
5316
5317         PR gold/5986
5318         Fix problems building gold with gcc 4.3.0.
5319         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
5320         (gold_error_at_location, gold_warning_at_location): Use it.
5321         * configure.ac: Check whether we can compile and use a template
5322         function with a printf attribute.
5323         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
5324         when jumping over bytes.
5325         * object.cc: Instantiate Object::read_section_data.
5326         * debug.h: Include <cstring>
5327         * dwarf_reader.cc: Include <algorithm>
5328         * main.cc: Include <cstring>.
5329         * options.cc: Include <cstring>.
5330         * output.cc: Include <cstring>.
5331         * script.cc: Include <cstring>.
5332         * script.h: Include <string>.
5333         * symtab.cc: Include <cstring> and <algorithm>.
5334         * target-select.cc: Include <cstring>.
5335         * version.cc: Include <string>.
5336         * testsuite/testmain.cc: Include <cstdlib>.
5337         * configure, config.in: Rebuild.
5338
5339 2008-03-25  Ian Lance Taylor  <iant@google.com>
5340
5341         * options.cc: Include "../bfd/bfdver.h".
5342         (options::help): Print bug reporting address.
5343
5344         * version.cc (print_version): Adjust output for current value of
5345         BFD_VERSION_STRING.
5346
5347         * NEWS: New file.
5348
5349         * options.cc (options::help): Print list of supported targets.
5350         * target-select.h: Include <vector>.
5351         (class Target_selector): Make machine_, size_, and is_big_endian_
5352         fields const.  Add bfd_name_ and instantiated_target_ fields.
5353         (Target_selector::Target_selector): Add bfd_name parameter.
5354         (Target_selector::recognize): Make non-virtual, call
5355         do_recognize.
5356         (Target_selector::recognize_by_name): Make non-virtual, call
5357         do_recognize_by_name.
5358         (Target_selector::supported_names): New function.
5359         (Target_selector::bfd_name): New function.
5360         (Target_selector::do_instantiate_target): New pure virtual
5361         function.
5362         (Target_selector::do_recognize): New virtual function.
5363         (Target_selector::do_recognize_by_name): New virtual function.
5364         (Target_selector::instantiate_target): New private function.
5365         (supported_target_names): Declare.
5366         * target-select.cc (Target_selector::Target_selector): Update for
5367         new parameter and fields.
5368         (select_target_by_name): Check that the name matches before
5369         calling recognize_by_name.
5370         (supported_target_names): New function.
5371         * i386.cc (class Target_selector_i386): Update Target_selector
5372         constructor call.  Remove recognize and recognize_by_name.  Add
5373         do_instantiate_target.
5374         * x86_64.cc (class Target_selector_x86_64): Likewise.
5375         * testsuite/testfile.cc (class Target_selector_test): Update for
5376         changes to Target_selector.
5377
5378         * README: Rewrite, with some notes on unsupported features.
5379
5380 2008-03-24  Cary Coutant  <ccoutant@google.com>
5381
5382         * i386.cc (Target_i386::Got_type): New enum declaration.
5383         (Target_i386::Scan::local): Updated callers of Output_data_got
5384         member functions.
5385         (Target_i386::Scan::global): Likewise.
5386         (Target_i386::Relocate::relocate): Likewise.
5387         (Target_i386::Relocate::relocate_tls): Likewise.
5388         * object.h (Got_offset_list): New class.
5389         (Sized_relobj::local_has_got_offset): Added got_type parameter.
5390         (Sized_relobj::local_got_offset): Likewise.
5391         (Sized_relobj::set_local_got_offset): Likewise.
5392         (Sized_relobj::local_has_tls_got_offset): Removed.
5393         (Sized_relobj::local_tls_got_offset): Removed.
5394         (Sized_relobj::set_local_tls_got_offset): Removed.
5395         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
5396         * output.cc (Output_data_got::add_global): Added got_type parameter.
5397         (Output_data_got::add_global_with_rel): Likewise.
5398         (Output_data_got::add_global_with_rela): Likewise.
5399         (Output_data_got::add_global_pair_with_rel): New function.
5400         (Output_data_got::add_global_pair_with_rela): New function.
5401         (Output_data_got::add_local): Added got_type parameter.
5402         (Output_data_got::add_local_with_rel): Likewise.
5403         (Output_data_got::add_local_with_rela): Likewise.
5404         (Output_data_got::add_local_pair_with_rel): New function.
5405         (Output_data_got::add_local_pair_with_rela): New function.
5406         (Output_data_got::add_global_tls): Removed.
5407         (Output_data_got::add_global_tls_with_rel): Removed.
5408         (Output_data_got::add_global_tls_with_rela): Removed.
5409         (Output_data_got::add_local_tls): Removed.
5410         (Output_data_got::add_local_tls_with_rel): Removed.
5411         (Output_data_got::add_local_tls_with_rela): Removed.
5412         * output.h (Output_data_got::add_global): Added got_type parameter.
5413         (Output_data_got::add_global_with_rel): Likewise.
5414         (Output_data_got::add_global_with_rela): Likewise.
5415         (Output_data_got::add_global_pair_with_rel): New function.
5416         (Output_data_got::add_global_pair_with_rela): New function.
5417         (Output_data_got::add_local): Added got_type parameter.
5418         (Output_data_got::add_local_with_rel): Likewise.
5419         (Output_data_got::add_local_with_rela): Likewise.
5420         (Output_data_got::add_local_pair_with_rel): New function.
5421         (Output_data_got::add_local_pair_with_rela): New function.
5422         (Output_data_got::add_global_tls): Removed.
5423         (Output_data_got::add_global_tls_with_rel): Removed.
5424         (Output_data_got::add_global_tls_with_rela): Removed.
5425         (Output_data_got::add_local_tls): Removed.
5426         (Output_data_got::add_local_tls_with_rel): Removed.
5427         (Output_data_got::add_local_tls_with_rela): Removed.
5428         * resolve.cc (Symbol::override_base_with_special): Removed
5429         reference to has_got_offset_ field.
5430         * symtab.cc (Symbol::init_fields): Replaced initialization
5431         of got_offset_ with got_offsets_.  Removed initialization
5432         of has_got_offset_
5433         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
5434         (Symbol::got_offset): Likewise.
5435         (Symbol::set_got_offset): Likewise.
5436         (Symbol::has_tls_got_offset): Removed.
5437         (Symbol::tls_got_offset): Removed.
5438         (Symbol::set_tls_got_offset): Removed.
5439         (Symbol::got_offset_): Removed.
5440         (Symbol::tls_mod_got_offset_): Removed.
5441         (Symbol::tls_pair_got_offset_): Removed.
5442         (Symbol::got_offsets_): New field.
5443         (Symbol::has_got_offset): Removed.
5444         (Symbol::has_tls_mod_got_offset): Removed.
5445         (Symbol::has_tls_pair_got_offset): Removed.
5446         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
5447         (Target_x86_64::Scan::local): Updated callers of Output_data_got
5448         member functions.
5449         (Target_x86_64::Scan::global): Likewise.
5450         (Target_x86_64::Relocate::relocate): Likewise.
5451         (Target_x86_64::Relocate::relocate_tls): Likewise.
5452
5453 2008-03-25  Ben Elliston  <bje@au.ibm.com>
5454
5455         * yyscript.y: Fix spelling error in comment.
5456
5457 2008-03-24  Ian Lance Taylor  <iant@google.com>
5458
5459         * options.h (class General_options): Define build_id option.
5460         * layout.h (class Layout): Declare write_build_id, create_note,
5461         create_build_id.  Add build_id_note_ member.
5462         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
5463         "libiberty.h", "md5.h", "sha1.h".
5464         (Layout::Layout): Initialize eh_frame_data_,
5465         eh_frame_hdr_section_, and build_id_note_.
5466         (Layout::finalize): Call create_build_id.
5467         (Layout::create_note): New function, broken out of
5468         Layout::create_gold_note.
5469         (Layout::create_gold_note): Call create_note.
5470         (Layout::create_build_id): New function.
5471         (Layout::write_build_id): New function.
5472         (Close_task_runner::run): Call write_build_id.
5473
5474         * x86_64.cc: Correct license to GPLv3.
5475
5476 2008-03-23  Ian Lance Taylor  <iant@google.com>
5477
5478         * options.cc: Include "demangle.h".
5479         (parse_optional_string): New function.
5480         (parse_long_option): Handle takes_optional_argument.
5481         (parse_short_option): Update dash_z initializer.  Handle
5482         takes_optional_argument.
5483         (General_options::General_options): Initialize do_demangle_.
5484         (General_options::finalize): Set do_demangle_.  Handle demangling
5485         style.
5486         * options.h (parse_optional_string): Declare.
5487         (struct One_option): Add optional_arg field.  Update constructor.
5488         Update call constructor calls.  Add takes_optional_argument
5489         function.
5490         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
5491         (DEFINE_optional_string): Define.
5492         (General_options::demangle): Change from DEFINE_bool to
5493         DEFINE_optional_string.
5494         (General_options::no_demangle): New function.
5495         (General_options::do_demangle): New function.
5496         (General_options::set_do_demangle): New function.
5497         (General_options::execstack_status_): Move definition to end of
5498         class definition.
5499         (General_options::static_): Likewise.
5500         (General_options::do_demangle_): New field.
5501         * object.cc (big_endian>::get_symbol_location_info): Call
5502         Options::do_demangle, not Options::demangle.
5503         * symtab.cc (demangle): Likewise.
5504
5505 2008-03-22  Ian Lance Taylor  <iant@google.com>
5506
5507         * gold.h: Include <cstddef> and <sys/types.h>
5508         * options.h: Include <cstring>.
5509
5510 2008-03-21  Ian Lance Taylor  <iant@google.com>
5511
5512         * Added source code to GNU binutils.