* x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
[external/binutils.git] / gold / ChangeLog
1 2009-12-23  Ian Lance Taylor  <iant@google.com>
2
3         * i386.cc (Target_i386::do_calls_non_split): Recognize
4         -fsplit-stack prologue for a function with a static chain.
5         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
6         -fsplit-stack prologue when using %r11.
7
8 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
9
10         * options.cc (General_options::parse_version): Make -v continue and do
11         the link like GNU ld does.
12
13 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
14
15         * Makefile.am (CCFILES): Add timer.cc.
16         (HFILES): Add timer.h.
17         * configure.ac: Check for sysconf and times.
18         * main.cc: include timer.h.
19         (main): Use Timer instead of get_run_time.
20         * timer.cc: New.
21         * timer.h: New.
22         * workqueue.cc: include timer.h.
23         (Workqueue::find_and_run_task):
24         Report user, sys and wall time.
25         * Makefile.in: Regenerate.
26         * config.in: Regenerate.
27         * configure: Regenerate.
28
29 2009-12-16  Doug Kwan  <dougkwan@google.com>
30
31         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
32         sections.
33         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
34         relaxed input sections.
35         * output.cc (Output_section::find_relaxed_input_section): Change
36         return type to Output_relaxed_input_section pointer.  Adjust code
37         for new type of relaxed_input_section_map_.
38         * output.h (Output_section::find_relaxed_input_section): Change
39         return type to Output_relaxed_input_section pointer.
40         (Output_section::Output_relaxed_input_section_by_input_section_map):
41         New type.
42         (Output_section::relaxed_input_section_map_): Change type to
43         Output_section::Output_relaxed_input_section_by_input_section_map.
44         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
45         input section.
46
47 2009-12-15  Ian Lance Taylor  <iant@google.com>
48
49         * layout.cc (Layout::create_shstrtab): Only write out after input
50         sections if we are compressing debug sections.
51
52 2009-12-15  Ian Lance Taylor  <iant@google.com>
53
54         * archive.cc (Archive::add_symbols): Only look up a symbol without
55         a version if there is, in fact, a version.
56
57 2009-12-14  Ian Lance Taylor  <iant@google.com>
58
59         Revert -Wshadow changes, all changes from:
60         2009-12-11  Doug Kwan  <dougkwan@google.com>
61         2009-12-11  Nick Clifton  <nickc@redhat.com>
62         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
63
64 2009-12-11  Doug Kwan  <dougkwan@google.com>
65
66         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
67         due to -Wshadow.
68         * attributes.cc (Object_attribute::size): Ditto.
69         (Attributes_section_data::size): Ditto.
70         (Attributes_section_data::Attributes_section_data): Ditto.
71         (Output_attributes_section_data::do_write): Ditto.
72         * attributes.h (Object_attribute::set_type): Ditto.
73         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
74
75 2009-12-11  Nick Clifton  <nickc@redhat.com>
76
77         * archive.cc: Fix shadowed variable warnings.
78         * arm.cc: Likewise.
79         * compressed_output.cc: Likewise.
80         * compressed_output.h: Likewise.
81         * configure: Likewise.
82         * dwarf_reader.cc: Likewise.
83         * dynobj.cc: Likewise.
84         * dynobj.h: Likewise.
85         * ehframe.cc: Likewise.
86         * ehframe.h: Likewise.
87         * errors.cc: Likewise.
88         * expression.cc: Likewise.
89         * fileread.cc: Likewise.
90         * fileread.h: Likewise.
91         * freebsd.h: Likewise.
92         * i386.cc: Likewise.
93         * icf.cc: Likewise.
94         * incremental.h: Likewise.
95         * layout.cc: Likewise.
96         * layout.h: Likewise.
97         * mapfile.cc: Likewise.
98         * merge.cc: Likewise.
99         * merge.h: Likewise.
100         * object.cc: Likewise.
101         * object.h: Likewise.
102         * options.h: Likewise.
103         * output.cc: Likewise.
104         * output.h: Likewise.
105         * parameters.cc: Likewise.
106         * plugin.cc: Likewise.
107         * powerpc.cc: Likewise.
108         * reduced_debug_output.cc: Likewise.
109         * reduced_debug_output.h: Likewise.
110         * reloc.cc: Likewise.
111         * reloc.h: Likewise.
112         * resolve.cc: Likewise.
113         * script-sections.cc: Likewise.
114         * script.cc: Likewise.
115         * script.h: Likewise.
116         * sparc.cc: Likewise.
117         * symtab.cc: Likewise.
118         * symtab.h: Likewise.
119         * target-select.cc: Likewise.
120         * target-select.h: Likewise.
121         * token.h: Likewise.
122         * workqueue.cc: Likewise.
123         * workqueue.h: Likewise.
124         * x86_64.cc: Likewise.
125
126 2009-12-10  Doug Kwan  <dougkwan@google.com>
127
128         * arm.cc (attributes.h): New include.
129         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
130         (Arm_relobj::~Arm_relobj): Delete object pointed by
131         attributes_section_data_.
132         (Arm_relobj::attributes_section_data): New method definition.
133         (Arm_relobj::attributes_section_data_): New data member declaration.
134         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
135         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
136         attributes_section_data_.
137         (Arm_dynobj::attributes_section_data): New method definition.
138         (Arm_dynobj::attributes_section_data_): New data member declaration.
139         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
140         initialization value of may_use_blx_ to false.
141         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
142         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
143         object attributes to compute results instead of hard-coding.
144         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
145         Target_arm::get_secondary_compatible_arch,
146         Target_arm::set_secondary_compatible_arch
147         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
148         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
149         New method declarations.
150         (Target_arm::get_aeabi_object_attribute): New method definition.
151         (Target_arm::attributes_section_data_): New data member declaration.
152         (read_arm_attributes_section): New template definition.
153         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
154         (Arm_dynobj::do_read_symbols): Ditto.
155         (Target_arm::do_finalize_sections): Merge attributes sections from
156         input.  Check for BLX use after attributes section merging.
157         Fix __exidx_start and __exidx_end visibility.  Create an
158         .ARM.attributes section if necessary.
159         (Target_arm::get_secondary_compatible_arch,
160         Target_arm::set_secondary_compatible_arch,
161         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
162         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
163         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order): 
164         New method definitions.
165
166 2009-12-09  Ian Lance Taylor  <iant@google.com>
167
168         * plugin.cc (Plugin::load): Don't cast from void* to a function
169         pointer.
170
171 2009-12-09  Ian Lance Taylor  <iant@google.com>
172
173         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
174         information fields.
175
176 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
177
178         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
179         Replace two_file_shared_1.so with two_file_shared_2.so.
180         * testsuite/Makefile.in: Regenerated.
181
182 2009-12-08  Doug Kwan  <dougkwan@google.com>
183
184         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
185         (HFILES): Add attributes.h and int_encoding.h.
186         * Makefile.in: Regenerate.
187         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
188         function definitions to int_encoding.cc
189         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
190         prototypes to int_encoding.h
191         * reduced_debug_output.cc (int_encoding.h): New include.
192         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
193         function definitions to int_encoding.cc
194         (insert_into_vector, read_from_pointer): Move template definitions to
195         int_encoding.h
196         * attributes.cc: New file.
197         * attributes.h: New file.
198         * int_encoding.cc: New file.
199         * int_encoding.h: New file.
200
201 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
202
203         PR gold/11055
204         * incremental-dump.cc (dump_incremental_inputs): New.
205         (main): Use dump_incremental_inputs.
206
207 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
208
209         PR gold/10893
210         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
211         checking elfcpp::STT_FUNC.
212         (Target_i386::Relocate::relocate): Likewise.
213         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
214
215         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
216         symbols from shared libraries into normal FUNC symbols.
217
218         * symtab.h (Symbol): Add is_func and use it.
219
220 2009-12-05  Doug Kwan  <dougkwan@google.com>
221
222         * arm.cc (Target_arm::arm_info): Initialize new fields
223         attributes_section and attributes_vendor.
224         * i386.cc (Target_i386::i386_info): Same.
225         * object.cc (Sized_relobj::do_layout): Skip attribute section.
226         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
227         fields attributes_section and attributes_vendor.
228         * sparc.cc (Target_sparc::sparc_info): Same.
229         * target.h (Target::attributes_section, Target::attributes_vendor,
230         Target::is_attributes_section, Target::attribute_arg_type,
231         Target::attributes_order): New method definitions.
232         (Target::Target_info::attributes_section,
233         Target::Target_info::attributes_vendor): New fields.
234         (Target::do_attribute_arg_type, Target::do_attributes_order): New
235         virtual method definitions.
236         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
237         attributes_section and attributes_vendor.
238         * testsuite/testfile.cc (Target_test::test_target_info): Same.
239
240 2009-12-05  Doug Kwan  <dougkwan@google.com>
241
242         * arm.cc: Update comments about interworking and stub generation.
243         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
244         considered as non-PIC.
245         (Arm_relocate_functions::base_abs): Fix formatting.
246         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
247         of function to use GOT entry address instead of offset.
248         (Target_arm::Scan::global): Issue an error if a symbol would need a
249         PLT does not get one because it is untyped.  Remove code to create
250         dynamic symbols for relative branches.
251         (Target_arm::Relocate::relocate: Use 0 instead of false since function
252         takes unsigned integer instead of boolean.
253
254 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
255
256         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
257         (two_file_test_LDADD): Likewise.
258         (common_test_1_LDADD): Likewise.
259         (exception_test_LDADD) Likewise.
260         (weak_test_LDADD): Likewise.
261         (many_sections_test_LDADD): Likewise.
262         (initpri1_LDADD): Likewise.
263         (script_test_1_LDADD): Likewise.
264         (script_test_2_LDADD): Likewise.
265         (justsyms_LDADD): Likewise.
266         (binary_test_LDADD): Likewise.
267         (large_LDADD): Likewise.
268         * testsuite/Makefile.in: Regenerated.
269
270 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
271
272         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
273         (Symbol_table::override_with_special): Likewise.
274         (Symbol_table::add_from_object): Likewise.
275
276 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
277
278         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
279         Don't set the data_offset twice.
280
281 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
282
283         * testsuite/Makefile.in: Regenerate.
284
285 2009-12-03  Doug Kwan  <dougkwan@google.com>
286
287         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
288         (Target_arm::do_finalize_sections): Add parameter for symbol table
289         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
290         * i386.cc (Target_i386::do_finalize_sections): Add an additional
291         parameter for symbol table pointer.
292         * layout.cc (Layout::finalize): Call Target::finalize_sections with
293         an additional parameter for a pointer to symbol table.
294         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
295         parameter for a symbol table pointer.
296         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
297         * target.h (Target::finalize_sections, Target::do_finalize_sections):
298         Ditto.
299         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
300         parameter for a symbol table pointer.
301
302 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
303
304         * incremental.cc (Incremental_inputs_header)
305         (Incremental_inputs_header_write, Incremental_inputs_entry)
306         (Incremental_inputs_entry_write): Move ...
307         * incremental.h (Incremental_inputs_header)
308         (Incremental_inputs_header_write, Incremental_inputs_entry)
309         (Incremental_inputs_entry_write): here.
310
311 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
312
313         * incremental.cc (make_sized_incremental_binary): Set the target.
314         Error if it is incompatible.
315         * output.h (Output_file): Add filename method.
316
317 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
318
319         * incremental.cc (Incremental_inputs_entry): Remove unused argument
320         from the get_* methods.
321
322 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
323
324         * incremental-dump.cc (main): Check that the offeset of a script is 0.
325         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
326         Write 0 for the data_offset of scripts.
327
328 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
329
330         * testsuite/Makefile.am: Add the incremental_test.sh test.
331         * testsuite/incremental_test.sh: New.
332         * testsuite/incremental_test_1.c: New.
333         * testsuite/incremental_test_2.c: New.
334
335 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
336
337        * incremental-dump.cc (main): Fix typos.
338
339 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
340
341         PR gold/11025
342         * incremental-dump.cc (main): Use llu to print 64 bit values.
343
344 2009-11-26  Per Ã˜yvind Karlsen <peroyvind@mandriva.org>
345             H.J. Lu  <hongjiu.lu@intel.com>
346
347         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
348         $(LIBDL).
349         (incremental_dump_LDADD): Likewise.
350         * Makefile.in: Regenerated.
351
352 2009-11-25  Doug Kwan  <dougkwan@google.com>
353         
354         Revert:
355
356         2009-11-25  Doug Kwan  <dougkwan@google.com>
357
358                 * arm.cc (Target_arm::Target_arm): Move method definition
359                 outside of class definition.  Add code to handle
360                 --target1-rel, --target1-abs and --target2= options.
361                 (Target_arm::get_reloc_reloc_type): Change method to be
362                 non-static and const.
363                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
364                 New data member declaration.
365                 (Target_arm::Scan::local, Target_arm::Scan::global,
366                 Target_arm::Relocate::relocate,
367                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
368                 Adjust call to Target_arm::get_real_reloc_type.
369                 (Target_arm::get_real_reloc_type): Use command line options
370                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
371                 * options.h (--target1-rel, --target1-abs, --target2): New
372                 ARM-only options.
373
374 2009-11-25  Doug Kwan  <dougkwan@google.com>
375
376         * arm.cc (Target_arm::Target_arm): Move method definition outside of
377         class definition.  Add code to handle --target1-rel, --target1-abs
378         and --target2= options.
379         (Target_arm::get_reloc_reloc_type): Change method to be non-static
380         and const.
381         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
382         member declaration.
383         (Target_arm::Scan::local, Target_arm::Scan::global,
384         Target_arm::Relocate::relocate,
385         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
386         call to Target_arm::get_real_reloc_type.
387         (Target_arm::get_real_reloc_type): Use command line options to
388         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
389         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
390         options.
391
392 2009-11-25  Doug Kwan  <dougkwan@google.com>
393
394         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
395         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
396         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
397         formatting.
398         (Arm_relocate_functions::thm_call): Replace body with a call to
399         Arm_relocate_functions::thumb_branch_common.
400         (Arm_relocate_functions::thm_jump24,
401         Arm_relocate_functions::thm_xpc22): New method definitions.
402         (Arm_relocate_functions::thumb_branch_common): New method definition.
403         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
404         operator.
405         (Target_arm::Relocate::relocate): Adjust call to thm_call.
406         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
407
408 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
409
410         * Makefile.am: Build incremental-dump
411         * Makefile.in: Regenerate.
412         * incremental-dump.cc: New.
413         * incremental.cc (Incremental_inputs_header_data,
414         Incremental_inputs_entry_data): Move to incremental.h
415         * incremental.h: (Incremental_inputs_header_data,
416         Incremental_inputs_entry_data): Move from incremental.cc
417
418 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
419
420         * incremental.cc (Incremental_inputs_header,
421         Incremental_inputs_header_write, Incremental_inputs_entry,
422         Incremental_inputs_entry_write): Add a typedef with the data type.
423
424 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
425
426         * incremental.cc (Incremental_inputs_header,
427         Incremental_inputs_header_write, Incremental_inputs_entry,
428         Incremental_inputs_entry_write): Update comment about which
429         type has the filed descriptions.
430
431 2009-11-15  Doug Kwan  <dougkwan@google.com>
432
433         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
434         (Arm_relocate_functions::arm_branch_common): Change method defintion
435         in class definition to a method declaration and update list of formal
436         parameters.
437         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
438         Arm_relocation_functions::jump24): Adjust call to
439         Arm_relocate_functions::arm_branch_common.  Update list of formal
440         parameters.
441         (Arm_relocate_functions::xpc25): New method definition.
442         (Arm_relocate_functions::arm_branch_common): Move method defintion
443         out from class definition.  Use stubs for mode-switching and extending
444         branch ranges.
445         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
446         specially.  Change code to enable use of stubs in ARM branches.
447
448 2009-11-10  Doug Kwan  <dougkwan@google.com>
449
450         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
451         in method declaration.
452         (Target_arm::relocate_stub): New method declaration.
453         (Target_arm::default_target): Change to return a pointer instead of
454         a const reference.
455         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
456         Target_arm::default_target.
457         (Arm_Relobj::do_relocate_sections): Remove options paramater in
458         method definition.
459         (Target_arm::relocate_section): Adjust view.
460         (Target_arm::relocate_stub): New method definition.
461
462 2009-11-10  Doug Kwan  <dougkwan@google.com>
463
464         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
465         a format warning.
466         * incremental.cc (open_incremental_binary): Initialized local
467         variables to avoid warnings.
468         * object.cc (make_elf_object): Ditto.
469         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
470         a format warning.
471  
472 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
473
474         PR gold/10930
475         * testsuite/plugin_test.c: Include "config.h".
476
477 2009-11-09  Doug Kwan  <dougkwan@google.com>
478
479         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
480         (arm_symbol_value): Remove.
481         (Arm_relocate_functions::arm_branch_common,
482         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
483         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
484         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
485         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
486         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
487         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
488         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
489         Arm_relocate_functions::thm_mobw_abs_nc,
490         Arm_relocate_functions::thm_mov_abs,
491         Arm_relocate_functions::movw_prel_nc,
492         Arm_relocate_functions::thm_movt_abs,
493         Arm_relocate_functions::movt_prel,
494         Arm_relocate_functions::thm_movw_prel_nc,
495         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
496         (Target_arm::Relocate::relocate): Only decompose address into two
497         parts if relocation type uses the thumb-bit and pass the actual
498         bit instead of a flag indicating that the thumb-bit is used.  Adjust
499         calls to methods in Arm_relocate_functions for this change.
500
501 2009-11-08  Ian Lance Taylor  <iant@google.com>
502
503         PR 10925
504         * reloc.cc: Instantiate
505         Sized_relobj::initialize_input_to_output_maps and
506         Sized_relobj:free_input_to_output_maps.
507
508 2009-11-06  Ian Lance Taylor  <iant@google.com>
509
510         PR 10876
511         * defstd.cc (in_segment): Set only_if_ref true for "end".
512
513 2009-11-06  Doug Kwan  <dougkwan@google.com>
514
515         * arm.cc (class Reloc_stub): Correct a comment.
516         (Target_arm::Target_arm): Initialize arm_input_section_map_.
517         (Target_arm::scan_section_for_stubs): New method declaration.
518         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
519         Change methods from private to protected.
520         (Target_arm::do_may_relax): New method definition.
521         (Target_arm::do_relax, Target_arm::group_sections,
522         Target_arm::scan_reloc_for_stub,
523         Target_arm::scan_reloc_section_for_stubs): New method declarations.
524         (Target_arm::arm_input_section_map_): New data member declaration.
525         (Target_arm::scan_reloc_for_stub,
526         Target_arm::scan_reloc_section_for_stubs,
527         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
528         Target_arm::do_relax): New method definitions.
529
530 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
531
532         * configure.ac: Check for (struct stat)::st_mtim
533         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
534         * config.in: Regenerate.
535         * configure: Regenerate.
536
537 2009-11-05  Ian Lance Taylor  <iant@google.com>
538
539         PR 10910
540         * output.cc (Output_segment::add_output_section): Add missing
541         return statement.
542
543 2009-11-04  Ian Lance Taylor  <iant@google.com>
544
545         PR 10880
546         * object.h (class Object): Add is_needed and set_is_needed
547         methods.  Add is_needed_ field.  Make bool fields into bitfields.
548         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
549         defined in a dynamic object and referenced by a regular object,
550         set is_needed for the dynamic object.
551         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
552         if the file is marked with as_needed and it is not needed.
553
554 2009-11-04  Ian Lance Taylor  <iant@google.com>
555
556         PR 10887
557         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
558         tags if data is discarded by linker script.
559         * i386.cc (Target_i386::do_finalize_sections): Likewise.
560         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
561         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
562         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
563
564 2009-11-04  Ian Lance Taylor  <iant@google.com>
565
566         * layout.cc (Layout::get_output_section): Add is_interp and
567         is_dynamic_linker_section parameters.  Change all callers.
568         (Layout::choose_output_section): Likewise.
569         (Layout::make_output_section): Likewise.
570         (Layout::add_output_section_data): Add is_dynamic_linker_section
571         parameter.  Change all callers.
572         * layout.h (class Layout): Update declarations.
573         * output.h (class Output_section): Add is_interp, set_is_interp,
574         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
575         Add is_interp_, is_dynamic_linker_section_ fields.  Change
576         generate_code_fills_at_write_ to a bitfield.
577         * output.cc (Output_section::Output_sections): Initialize new
578         fields.
579         (Output_segment::add_output_section): Add do_sort parameter.
580         Change all callers.
581
582 2009-11-03  Ian Lance Taylor  <iant@google.com>
583
584         PR 10860
585         * options.h (class General_options): Add --warn-common.
586         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
587         merging two common symbols.
588         (Symbol_table::should_override): Handle --warn-common when merging
589         a common symbol with a defined symbol.  Use report_resolve_problem
590         for multiple definitions.
591         (Symbol_table::report_resolve_problem): New function.
592         * symtab.h (class Symbol_table): Declare report_resolve_problem.
593
594 2009-11-03  Doug Kwan  <dougkwan@google.com>
595
596         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
597         stub_factory_.
598         (Target_arm::stub_factory): New method definition.
599         (Target_arm::new_arm_input_section,
600         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
601         Target_arm::reloc_uses_thumb_bit): New method declarations.
602         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map): 
603         New type definitions.
604         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
605         member declarations.
606         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
607         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
608         New method definitions.
609
610 2009-11-03  Ian Lance Taylor  <iant@google.com>
611
612         * options.h (class General_options): Add --warn_constructors.
613
614 2009-11-03  Ian Lance Taylor  <iant@google.com>
615
616         PR 10893
617         * defstd.cc (in_section): Add entries for __rel_iplt_start,
618         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
619
620 2009-11-03  Ian Lance Taylor  <iant@google.com>
621
622         PR 10895
623         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
624         --msgid-bugs-address.
625         (install-pdf): New target.
626         (install-data_yes): Look up one directory to find mkinstalldirs.
627
628 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
629
630         * po/Make-in (.po.gmo): Don't generate .gmo files in source
631         tree.
632
633 2009-10-30  Doug Kwan  <dougkwan@google.com>
634
635         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
636
637 2009-10-30  Doug Kwan  <dougkwan@google.com>
638
639         * arm.cc (Stub_addend_reader): New struct template definition
640         and partial specializations.
641         (Stub_addend_reader::operator()): New method definition for a
642         partially specialized template.
643
644 2009-10-30  Doug Kwan  <dougkwan@google.com>
645
646         * arm.cc (Arm_relobj::processor_specific_flags): New method
647         definition.
648         (Arm_relobj::do_read_symbols): New method declaration.
649         (Arm_relobj::processor_specific_flags_): New data member declaration.
650         (Arm_dynobj): New class definition.
651         (Target_arm::do_finalize_sections): Add input_objects parameter.
652         (Target_arm::do_adjust_elf_header): New method declaration.
653         (Target_arm::are_eabi_versions_compatible,
654         (Target_arm::merge_processor_specific_flags): New method declaration.
655         (Target_arm::do_make_elf_object): New overloaded method definitions
656         and declaration.
657         (Arm_relobj::do_read_symbols): New method definition.
658         (Arm_dynobj::do_read_symbols): Ditto.
659         (Target_arm::do_finalize_sections): Add input_objects parameters.
660         Merge processor-specific flags from all input objects.
661         (Target_arm::are_eabi_versions_compatible,
662         Target_arm::merge_processor_specific_flags,
663         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
664         New method definitions.
665         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
666         Input_objects pointer type parameter.
667         * layout.cc (Layout::finalize): Pass input objects to target's.
668         finalize_sections function.
669         * output.cc (Output_file_header::do_sized_write): Set ELF file
670         header's processor-specific flags.
671         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
672         Input_objects pointer type parameter.
673         * sparc.cc (Target_sparc::do_finalize_sections): Same.
674         * target.h (Input_objects): New forward class declaration.
675         (Target::processor_specific_flags,
676         Target::are_processor_specific_flags_sect): New method definitions.
677         (Target::finalize_sections): Add input_objects parameter.
678         (Target::Target): Initialize processor_specific_flags_ and
679         are_processor_specific_flags_set_.
680         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
681         parameter.
682         (Target::set_processor_specific_flags): New method definition.
683         (Target::processor_specific_flags_,
684         Target::are_processor_specific_flags_set_): New data member
685         declarations.
686         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
687         Input_objects pointer type parameter.
688
689 2009-10-30  Doug Kwan  <dougkwan@google.com>
690
691         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
692
693 2009-10-28  Ian Lance Taylor  <iant@google.com>
694
695         * object.h (class Relobj): Drop options parameter from
696         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
697         do_scan_relocs, do_relocate.  Change all callers.
698         (class Sized_relobj): Drop options parameters from
699         do_gc_process_relocs, do_scan_relocs, do_relocate,
700         do_relocate_sections, relocate_sections, emit_relocs_scan,
701         emit_relocs_scan_reltype.  Change all callers.
702         (struct Relocate_info): Remove options field and all references to
703         it.
704         * reloc.h (class Read_relocs): Remove options constructor
705         parameter and options_ field.  Change all callers.
706         (class Gc_process_relocs, class Scan_relocs): Likewise.
707         (class Relocate_task): Likewise.
708         * target-reloc.h (scan_relocs): Remove options parameter.  Change
709         all callers.
710         (scan_relocatable_relocs): Likewise.
711         * target.h (class Sized_target): Remove options parameter from
712         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
713         all callers.
714         * gc.h (gc_process_relocs): Remove options parameter.  Change all
715         callers.
716         * arm.cc: Update functions to remove options parameters.
717         * i386.cc: Likewise.
718         * powerpc.cc: Likewise.
719         * sparc.cc: Likewise.
720         * x86_64.cc: Likewise.
721         * testsuite/testfile.cc: Likewise.
722
723 2009-10-28  Doug Kwan  <dougkwan@google.com>
724
725         * arm.cc (Arm_relobj): New class definition.
726         (Arm_relobj::scan_sections_for_stubs, 
727         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
728         New method definitions.
729
730 2009-10-28  Cary Coutant  <ccoutant@google.com>
731
732         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
733         (Plugin::cleanup_done_): New member.
734         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
735         (Plugin_manager::cleanup_done_): Remove.
736         (Plugin_manager::add_input_file): Edit error message.
737         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
738         (Plugin_manager::cleanup): Remove use of cleanup_done_.
739
740 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
741
742         * fileread.cc: (File_read::View::~View): Use the new
743         data_ownership_ filed.
744         (File_read::~File_read): Dispose the new whole_file_view_.
745         (File_read::open): Mmap the whole file if needed.
746         (File_read::open): Use whole_file_view_ instead of contents_.
747         (File_read::find_view): Use whole_file_view_ if applicable.
748         (File_read::do_read): Use whole_file_view_ instead of contents_.
749         (File_read::make_view): Use whole_file_view_ instead of contents_,
750         update File_read::View::View call.
751         (File_read::find_or_make_view): Update File_read::View::View
752         call.
753         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
754         remove contents_
755         (File_read::View::Data_ownership): New enum.
756         (File_read::View::View): Replace bool mapped_ with Data_ownership
757         argument.
758         (File_read::View::mapped_): Remove (replaced by data_ownership_).
759         (File_read::View::data_ownership_): New field.
760         (File_read::contents_): Remove (replaced by whole_file_view_).
761         (File_read::whole_file_view_): New field.
762         * options.h (class General_options): Add --keep-files-mapped.
763
764 2009-10-27  Cary Coutant  <ccoutant@google.com>
765
766         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
767         * testsuite/Makefile.am (plugin_test_5): New test case.
768         * testsuite/Makefile.in: Regenerate.
769
770 2009-10-25  Doug Kwan  <dougkwan@google.com>
771
772         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
773         from private to protected to allow access by child class.
774         (Sized_relobj::do_relocate_sections): New method declaration.
775         (Sized_relobj::relocate_sections): Virtualize.
776         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from 
777         Sized_relobj::relocate_sections.  Instantiate template explicitly
778         for different target sizes and endianity.
779
780 2009-10-24  Doug Kwan  <dougkwan@google.com>
781
782         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
783         (Arm_input_section::as_arm_input_section): New method.
784         (Arm_output_section): New class definition.
785         (Arm_output_section::create_stub_group,
786         Arm_output_section::group_sections): New method definitions.
787
788 2009-10-22  Doug Kwan  <dougkwan@google.com>
789
790         * arm.cc (Arm_input_section): New class definition.
791         (Arm_input_section::init, Arm_input_section:do_write,
792         Arm_input_section::set_final_data_size,
793         Arm_input_section::do_reset_address_and_file_offset): New method
794         definitions.
795
796 2009-10-21  Doug Kwan  <dougkwan@google.com>
797
798         * arm.cc (Stub_table, Arm_input_section): New forward class
799         declarations.
800         (Stub_table): New class defintion.
801         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
802         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
803         New method definition.
804
805 2009-10-21  Doug Kwan  <dougkwan@google.com>
806
807         * arm.cc: Update copyright comments.
808         (Target_arm): New forward class template declaration.
809         (Arm_address): New type.
810         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
811         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
812         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
813         constants.
814         (Insn_template): Same.
815         (DEF_STUBS): New macro.
816         (Stub_type): New enum type.
817         (Stub_template): New class definition.
818         (Stub): Same.
819         (Reloc_stub): Same.
820         (Stub_factory): Same.
821         (Target_arm::Target_arm): Initialize may_use_blx_ and
822         should_force_pic_veneer_.
823         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
824         Target_arm::should_force_pic_veneer,
825         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
826         Target_arm::using_thumb_only, Target_arm:;default_target): New
827         method defintions.
828         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
829         New data member declarations.
830         (Insn_template::size, Insn_template::alignment): New method defintions.
831         (Stub_template::Stub_template): New method definition.
832         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
833         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
834         (Stub_factory::Stub_factory): New method definition.
835         * gold.h (string_hash): New template.
836         * output.h (Input_section_specifier::hash_value): Use
837         gold::string_hash.
838         (Input_section_specifier::string_hash): Remove.
839         * stringpool.cc (Stringpool_template::string_hash): Use
840         gold::string_hash.
841
842 2009-10-20  Doug Kwan  <dougkwan@google.com>
843
844         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
845         symbols of relaxed input sections.
846         * output.h (Output_section::find_relaxed_input_section): Make
847         method public.
848
849 2009-10-16  Doug Kwan  <dougkwan@google.com>
850
851         * dynobj.cc (Versions::Versions): Initialize version_script_.
852         Only insert base version symbol definition for a shared object
853         if version script defines any version versions.
854         (Versions::define_base_version): New method definition.
855         (Versions::add_def): Check that base version is not needed.
856         (Versions::add_need): Define base version lazily.
857         * dynobj.h (Versions::define_base_version): New method declaration.
858         (Versions::needs_base_version_): New data member declaration.
859         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
860         (check_DATA): Add no_version_test.stdout.
861         (libno_version_test.so, no_version_test.o no_version_test.stdout):
862         New make rules.
863         * testsuite/Makefile.in: Regenerate.
864         * testsuite/no_version_test.c: New file.
865         * testsuite/no_version_test.sh: Ditto.
866
867 2009-10-16  Doug Kwan  <dougkwan@google.com>
868
869         * expression.cc (class Segment_start_expression): New class definition.
870         (Segment_start_expression::value): New method definition.
871         (script_exp_function_segment_start): Return a new
872         Segment_start_expression.
873         * gold/script-c.h (script_saw_segment_start_expression): New function
874         prototype.
875         * script-sections.cc (Script_sections::Script_sections): Initialize
876         SAW_SEGMENT_START_EXPRESSION_ to false.
877         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
878         and -Tbbs options to specify section addresses if given in
879         command line and no SEGMENT_START expression is seen in a script.
880         * script-sections.h (Script_sections::saw_segment_start_expression,
881         Script_sections::set_saw_segment_start_expression): New method
882         definition.
883         (Script_sections::saw_segment_start_expression_): New data member
884         declaration.
885         * script.cc (script_saw_segment_start_expression): New function.
886         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
887         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
888         script_test_7.sh and script_test_8.sh.
889         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
890         script_test_8.stdout.
891         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
892         (script_test_6, script_test_6.stdout, script_test_7,
893         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
894         * Makefile.in: Regenerate.
895         * testsuite/script_test_6.sh: New file.
896         * testsuite/script_test_6.t: Same.
897         * testsuite/script_test_7.sh: Same.
898         * testsuite/script_test_7.t: Same.
899         * testsuite/script_test_8.sh: Same.
900
901 2009-10-16  Doug Kwan  <dougkwan@google.com>
902
903         * output.cc (Output_segment::set_section_list_address): Cast
904         expressions to unsigned long long type to avoid format warnings.
905
906 2009-10-15  Ian Lance Taylor  <iant@google.com>
907
908         * script.cc (Script_options::add_symbol_assignment): Always add a
909         dot assignment to script_sections_.
910         * script-sections.cc (Script_sections::add_dot_assignment):
911         Initialize if necessary.
912
913         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
914         program headers with no load segment if there is a linker script.
915
916         * layout.cc (Layout::set_segment_offsets): Align the file offset
917         to the segment aligment for -N or -n with no load segment.
918         * output.cc (Output_segment::add_output_section): Don't crash if
919         the first section is a TLS section.
920         (Output_segment::set_section_list_addresses): Print an error
921         message if the address moves backward in a linker script.
922         * script-sections.cc
923         (Output_section_element_input::set_section_addresses): Don't
924         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
925         (Orphan_output_section::set_section_addresses): Likewise.
926
927 2009-10-15  Doug Kwan  <dougkwan@google.com>
928
929         * layout.cc (Layout::finish_dynamic_section): Generate tags
930         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
931         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
932         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
933
934 2009-10-14  Ian Lance Taylor  <iant@google.com>
935
936         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
937         fields.
938         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
939         data_shdr fields of relinfo.
940         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
941         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
942         R_386_TLS_LDO_32, adjust based on section flags.
943         (Target_i386::Relocate::fix_up_ldo): Remove.
944
945 2009-10-13  Ian Lance Taylor  <iant@google.com>
946
947         Add support for -pie.
948         * options.h (class General_options): Add -pie and
949         --pic-executable.
950         (General_options::output_is_position_independent): Test -pie.
951         (General_options::output_is_executable): Return true if not shared
952         and not relocatable.
953         (General_options::output_is_pie): Remove.
954         * options.cc (General_options::finalize): Reject incompatible uses
955         of -pie.
956         * gold.cc (queue_middle_tasks): A -pie link is not static.
957         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
958         * symtab.cc (Symbol::final_value_is_known): Return false if
959         output_is_position_independent.
960         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
961         output_is_position_independent.
962         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
963         output_is_position_independent.
964         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
965         output_is_position_independent.
966         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
967         two_file_pie_test.
968         (basic_pie_test.o, basic_pie_test): New targets.
969         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
970         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
971         (two_file_pie_test): New target.
972         * testsuite/Makefile.in: Rebuild.
973         * README: Remove note saying that -pie is not supported.
974
975 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
976
977         * options.h (class General_options): Add -init and -fini.
978         * layout.cc (Layout::finish_dynamic_section): Emit
979         given init and fini functions.
980
981 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
982
983         * gc.h (gc_process_relocs): Check if icf is enabled using new
984         function.
985         * gold.cc (queue_initial_tasks): Likewise.
986         (queue_middle_tasks): Likewise.
987         * object.cc (do_layout): Likewise.
988         * symtab.cc (is_section_folded): Likewise.
989         * main.cc (main): Likewise.
990         * reloc.cc (Read_relocs::run): Likewise.
991         (Sized_relobj::do_scan_relocs): Likewise.
992         * icf.cc (is_function_ctor_or_dtor): New function.
993         (Icf::find_identical_sections): Check if function is ctor or dtor when
994         safe icf is chosen.
995         * options.h (General_options::icf): Change option to be an enum.
996         (Icf_status): New enum.
997         (icf_enabled): New method.
998         (icf_safe_folding): New method.
999         (set_icf_status): New method.
1000         (icf_status_): New variable.
1001         * (options.cc) (General_options::finalize): Set icf_status_.
1002         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
1003         icf_test and icf_keep_unique_test to use the --icf enum flag.
1004         * testsuite/icf_safe_test.sh: New file.
1005         * testsuite/icf_safe_test.cc: New file. 
1006
1007 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
1008
1009         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
1010         includes to gc.h and icf.h.
1011         * arm.cc: Include gc.h.
1012         * gold.cc: Likewise.
1013         * i386.cc: Likewise.
1014         * powerpc.cc: Likewise.
1015         * sparc.cc: Likewise.
1016         * x86_64.cc: Likewise.
1017         * gc.h: Include icf.h.
1018
1019 2009-10-11  Ian Lance Taylor  <iant@google.com>
1020
1021         * plugin.cc: Include "gold.h" before other header files.
1022
1023 2009-10-10  Chris Demetriou  <cgd@google.com>
1024
1025         * options.h (Input_file_argument::Input_file_type): New enum.
1026         (Input_file_argument::is_lib_): Replace with...
1027         (Input_file_argument::type_): New member.
1028         (Input_file_argument::Input_file_argument): Take Input_file_type
1029         'type' rather than boolean 'is_lib' as second argument.
1030         (Input_file_argument::is_lib): Use type_.
1031         (Input_file_argument::is_searched_file): New function.
1032         (Input_file_argument::may_need_search): Handle is_searched_file.
1033         * options.cc (General_options::parse_library): Support -l:filename.
1034         (General_options::parse_just_symbols): Update for Input_file_argument
1035         changes.
1036         (Command_line::process): Likewise.
1037         * archive.cc (Archive::get_file_and_offset): Likewise.
1038         * plugin.cc (Plugin_manager::release_input_file): Likewise.
1039         * script.cc (read_script_file, script_add_file): Likewise.
1040         * fileread.cc (Input_file::Input_file): Likewise.
1041         (Input_file::will_search_for): Handle is_searched_file.
1042         (Input_file::open): Likewise.
1043         * readsyms.cc (Read_symbols::get_name): Likewise.
1044         * testsuite/Makefile.am (searched_file_test): New test.
1045         * testsuite/Makefile.in: Regenerate.
1046         * testsuite/searched_file_test.cc: New file.
1047         * testsuite/searched_file_test_lib.cc: New file.
1048
1049 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1050             Ian Lance Taylor  <iant@google.com>
1051
1052         * descriptor.cc: Include <cstdio> and "binary-io.h".
1053         (Descriptors::open): Open the files in binary mode always.
1054         * script.cc (Lex::get_token): Treat \r as whitespace.
1055
1056 2009-10-09  Ian Lance Taylor  <iant@google.com>
1057
1058         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
1059
1060 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1061             Ian Lance Taylor  <iant@google.com>
1062
1063         * configure.ac: Check for readv function also.
1064         * fileread.cc (readv): Define if not HAVE_READV.
1065         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
1066         does not exist.
1067         * config.in: Regenerate.
1068         * configure: Regenerate.
1069
1070 2009-10-09  Doug Kwan  <dougkwan@google.com>
1071
1072         * layout.cc (Layout::make_output_section): Call target hook to make
1073         ordinary output section.
1074         (Layout::finalize): Adjust parameter list of call the
1075         Target::may_relax().
1076         * layout.h (class Layout::section_list): New method.
1077         * merge.h (Output_merge_base::entsize): Change visibility to public.
1078         (Output_merge_base::is_string, Output_merge_base::do_is_string):
1079         New methods.
1080         (Output_merge_string::do_is_string): New method.
1081         * object.cc (Sized_relobj::do_setup): renamed from
1082         Sized_relobj::set_up.
1083         * object.h (Sized_relobj::adjust_shndx,
1084         Sized_relobj::initializ_input_to_output_maps,
1085         Sized_relobj::free_input_to_output_maps): Change visibilities to
1086         protected.
1087         (Sized_relobj::setup): Virtualize.
1088         (Sized_relobj::do_setup): New method declaration.
1089         (Sized_relobj::invalidate_section_offset,
1090         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
1091         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
1092         * options.cc (parse_int): New function.
1093         * options.h (parse_int): New declaration.
1094         (DEFINE_int): New macro.
1095         (stub_group_size): New option.
1096         * output.cc (Output_section::Output_section): Initialize memebers
1097         merge_section_map_, merge_section_by_properties_map_,
1098         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
1099         (Output_section::add_input_section): Handled deferred code-fill
1100         generation and remove an old comment.
1101         (Output_section::add_relaxed_input_section): New method definition.
1102         (Output_section::add_merge_input_section): Use merge section by
1103         properties map to speed to search.  Update merge section maps
1104         as appropriate.
1105         (Output_section::build_relaxation_map): New method definition.
1106         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
1107         Same.
1108         (Output_section::relax_input_section): Renamed to
1109         Output_section::convert_input_sections_to_relaxed_sections and change
1110         interface to take a vector of pointers to relaxed sections.
1111         (Output_section::find_merge_section,
1112         Output_section::find_relaxed_input_section): New method definitions.
1113         (Output_section::is_input_address_mapped,
1114         Output_section::output_offset, Output_section::output_address):
1115         Use output section data maps to speed up searching.
1116         (Output_section::find_starting_output_address): Add comments.
1117         (Output_section::do_write,
1118         Output_section::write_to_postprocessing_buffer): Do code-fill
1119         generation as appropriate.
1120         (Output_section::get_input_sections): Invalidate relaxed input section
1121         map.
1122         (Output_section::restore_states): Adjust type of checkpoint .
1123         Invalidate relaxed input section map.
1124         * output.h (Output_merge_base): New class declaration.
1125         (Input_section_specifier): New class defintion.
1126         (class Output_relaxed_input_section) Change base class to
1127         Output_section_data_build.
1128         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
1129         base class initializer.
1130         (Output_section::add_relaxed_input_section): New method declaration.
1131         (Output_section::Input_section): Change visibility to protected.
1132         (Output_section::Input_section::relobj,
1133         Output_section::Input_section::shndx): Handle relaxed input sections.
1134         Output_section::input_sections) Change visibility to protected.  Also
1135         define overload to return a non-const pointer.
1136         (Output_section::Merge_section_properties): New class defintion.
1137         (Output_section::Merge_section_by_properties_map,
1138         Output_section::Output_section_data_by_input_section_map,
1139         Output_section::Relaxation_map): New types.
1140         (Output_section::relax_input_section): Rename method to
1141         Output_section::convert_input_sections_to_relaxed_sections and change
1142         interface to take a vector of relaxed section pointers.
1143         (Output_section::find_merge_section,
1144         Output_section::find_relaxed_input_section,
1145         Output_section::build_relaxation_map,
1146         Output_section::convert_input_sections_in_list_to_relaxed_sections):
1147         New method declarations.
1148         (Output_section::merge_section_map_
1149         Output_section::merge_section_by_properties_map_,
1150         Output_section::relaxed_input_section_map_,
1151         Output_section::is_relaxed_input_section_map_valid_,
1152         Output_section::generate_code_fills_at_write_): New data members.
1153         * script-sections.cc
1154         (Output_section_element_input::set_section_addresses): Call
1155         current_data_size and addralign methods of relaxed input sections.
1156         (Orphan_output_section::set_section_addresses): Call current_data_size
1157         and addralign methods of relaxed input sections.
1158         * symtab.cc (Symbol_table::compute_final_value): Extract template
1159         from the body of Symbol_table::sized_finalize_symbol.
1160         (Symbol_table::sized_finalized_symbol): Call
1161         Symbol_table::compute_final_value.
1162         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
1163         (Symbol_table::compute_final_value): New templated method declaration.
1164         * target.cc (Target::do_make_output_section): New method defintion.
1165         * target.h (Target::make_output_section): New method declaration.
1166         (Target::relax): Add more parameters for input objects, symbol table
1167         and layout.  Adjust call to do_relax.
1168         (Target::do_make_output_section): New method declaration.
1169         (Target::do_relax): Add parameters for input objects, symbol table
1170         and layout.
1171
1172 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1173
1174         * pread.c: Include stdio.h.
1175
1176 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1177
1178         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
1179         defined.
1180
1181 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1182
1183         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
1184         Change read_shndx type to unsigned int.
1185         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
1186         int.
1187         (Sized_dwarf_line_info::read_line_mappings): Likewise.
1188         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
1189         Change read_shndx type to unsigned int.
1190         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
1191         int.
1192         (Sized_dwarf_line_info::read_line_mappings): Likewise.
1193         * layout.cc (Layout::create_symtab_sections): Cast the result of
1194         local_symcount * symsize to off_t in the gold_assert.
1195
1196 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1197
1198         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
1199         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
1200         R_ARM_BASE_ABS.
1201         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
1202         (Arm_relocate_functions::thm_abs5): New function.
1203         (Arm_relocate_functions::abs12): New function.
1204         (Arm_relocate_functions::abs16): New function.
1205         (Arm_relocate_functions::base_abs): New function.
1206         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
1207         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
1208         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
1209         R_ARM_BASE_ABS.
1210         (Scan::global): Likewise.
1211         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
1212         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
1213         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
1214         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
1215         R_ARM_BASE_ABS.
1216
1217 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1218
1219         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
1220         (Arm_relocate_functions::movt_prel): New function.
1221         (Arm_relocate_functions::thm_movw_prel_nc): New function.
1222         (Arm_relocate_functions::thm_movt_prel): New function.
1223         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
1224         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
1225         (Scan::global, Relocate::relocate): Likewise.
1226         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
1227
1228 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
1229
1230         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
1231         Incremental_checker.
1232         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
1233         unsigned int.
1234         (class Incremental_inputs_header): New class.
1235         (Incremental_inputs_header_writer): Edit comment.
1236         (Incremental_inputs_entry): New class.
1237         (Incremental_inputs_entry_writer): Edit comment.
1238         (Sized_incremental_binary::do_find_incremental_inputs_section):
1239         Add *strtab_shndx parameter, fill it.
1240         (Sized_incremental_binary::do_check_inputs): New method.
1241         (Incremental_checker::can_incrementally_link_output_file): Use
1242         Sized_incremental_binary::check_inputs.
1243         (Incremental_inputs::report_command_line): Save command line in
1244         command_line_.
1245         * incremental.h:
1246         (Incremental_binary::find_incremental_inputs_section): New
1247         method.
1248         (Incremental_binary::do_find_incremental_inputs_section): Add
1249         strtab_shndx parameter.
1250         (Incremental_binary::do_check_inputs): New pure virtual method.
1251         (Sized_incremental_binary::do_check_inputs): Declare.
1252         (Incremental_checker::Incremental_checker): Add incremental_inputs
1253         parameter, use it to initialize incremental_inputs_.
1254         (Incremental_checker::incremental_inputs_): New field.
1255         (Incremental_checker::command_line): New method.
1256         (Incremental_checker::inputs): New method.
1257         (Incremental_checker::command_line_): New field.
1258
1259 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
1260
1261         * incremental.cc: Include <cstdarg> and "target-select.h".
1262         (vexplain_no_incremental): New function.
1263         (explain_no_incremental): New function.
1264         (Incremental_binary::error): New method.
1265         (Sized_incremental_binary::do_find_incremental_inputs_section): New
1266         method.
1267         (make_sized_incremental_binary): New function.
1268         (open_incremental_binary): New function.
1269         (can_incrementally_link_file): Add checks if output is ELF and has
1270         inputs section.
1271         * incremental.h: Include "elfcpp_file.h" and "output.h".
1272         (Incremental_binary): New class.
1273         (Sized_incremental_binary): New class.
1274         (open_incremental_binary): Declare.
1275         * object.cc (is_elf_object): Use
1276         elfcpp::Elf_recognizer::is_elf_file.
1277         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
1278         * output.h (Output_file::filesize): New method.
1279
1280 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1281
1282         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
1283         New function.
1284         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
1285         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
1286         function.
1287         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
1288         function.
1289         (Arm_relocate_functions::movw_abs_nc): New function.
1290         (Arm_relocate_functions::movt_abs): New function.
1291         (Arm_relocate_functions::thm_movw_abs_nc): New function.
1292         (Arm_relocate_functions::thm_movt_abs): New function.
1293         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
1294         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
1295         (Scan::global): Likewise.
1296         (Relocate::relocate): Likewise.
1297         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
1298
1299 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1300
1301         * arm.cc (Arm_relocate_functions::got_prel) New function.
1302         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
1303         (Relocate::relocate): Likewise.
1304         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
1305
1306 2009-10-06  Ian Lance Taylor  <iant@google.com>
1307
1308         * options.h (class General_options): Define
1309         split_stack_adjust_size parameter.
1310         * object.h (class Object): Add uses_split_stack_ and
1311         has_no_split_stack_ fields.  Add uses_split_stack and
1312         has_no_split_stack accessor functions.  Declare
1313         handle_split_stack_section.
1314         (class Reloc_symbol_changes): Define.
1315         (class Sized_relobj): Define Function_offsets.  Declare
1316         split_stack_adjust, split_stack_adjust_reltype, and
1317         find_functions.
1318         * object.cc (Object::handle_split_stack_section): New function.
1319         (Sized_relobj::do_layout): Call handle_split_stack_section.
1320         * dynobj.cc (Sized_dynobj::do_layout): Call
1321         handle_split_stack_section.
1322         * reloc.cc (Sized_relobj::relocate_sections): Call
1323         split_stack_adjust for executable sections in split_stack
1324         objects.  Pass reloc_map to relocate_section.
1325         (Sized_relobj::split_stack_adjust): New function.
1326         (Sized_relobj::split_stack_adjust_reltype): New function.
1327         (Sized_relobj::find_functions): New function.
1328         * target-reloc.h: Include "object.h".
1329         (relocate_section): Add reloc_symbol_changes parameter.  Change
1330         all callers.
1331         * target.h (class Target): Add calls_non_split method.  Declare
1332         do_calls_non_split virtual method.  Declare match_view and
1333         set_view_to_nop.
1334         * target.cc: Include "elfcpp.h".
1335         (Target::do_calls_non_split): New function.
1336         (Target::match_view): New function.
1337         (Target::set_view_to_nop): New function.
1338         * gold.cc (queue_middle_tasks): Give an error if mixing
1339         split-stack and non-split-stack objects with -r.
1340         * i386.cc (Target_i386::relocate_section): Add
1341         reloc_symbol_changes parameter.
1342         (Target_i386::do_calls_non_split): New function.
1343         * x86_64.cc (Target_x86_64::relocate_section): Add
1344         reloc_symbol_changes parameter.
1345         (Target_x86_64::do_calls_non_split): New function.
1346         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
1347         parameter.
1348         * powerpc.cc (Target_powerpc::relocate_section): Add
1349         reloc_symbol_changes parameter.
1350         * sparc.cc (Target_sparc::relocate_section): Add
1351         reloc_symbol_changes parameter.
1352         * configure.ac: Call AM_CONDITIONAL for the default target.
1353         * configure: Rebuild.
1354         * testsuite/Makefile.am (TEST_AS): New variable.
1355         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
1356         (check_DATA): Add split_i386 and split_x86_64 files.
1357         (SPLIT_DEFSYMS): Define.
1358         (split_i386_[1234n].o): New targets.
1359         (split_i386_[124]): New targets.
1360         (split_i386_[1234r].stdout): New targets.
1361         (split_x86_64_[1234n].o): New targets.
1362         (split_x86_64_[124]): New targets.
1363         (split_x86_64_[1234r].stdout): New targets.
1364         (MOSTLYCLEANFILES): Add new executables.
1365         * testsuite/split_i386.sh: New file.
1366         * testsuite/split_x86_64.sh: New file.
1367         * testsuite/split_i386_1.s: New file.
1368         * testsuite/split_i386_2.s: New file.
1369         * testsuite/split_i386_3.s: New file.
1370         * testsuite/split_i386_4.s: New file.
1371         * testsuite/split_i386_n.s: New file.
1372         * testsuite/split_x86_64_1.s: New file.
1373         * testsuite/split_x86_64_2.s: New file.
1374         * testsuite/split_x86_64_3.s: New file.
1375         * testsuite/split_x86_64_4.s: New file.
1376         * testsuite/split_x86_64_n.s: New file.
1377         * testsuite/testfile.cc (Target_test): Update relocation_section
1378         function.
1379         * testsuite/Makefile.in: Rebuild.
1380
1381 2009-10-06  Ian Lance Taylor  <iant@google.com>
1382
1383         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
1384         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
1385         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
1386         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
1387         the address on ldo_addrs_.
1388         (Target_i386::Relocate::fix_up_ldo): New function.
1389
1390 2009-10-06   Rafael Espindola  <espindola@google.com>
1391
1392         * plugin.cc (add_input_library): New.
1393         (Plugin::load): Add add_input_library to tv.
1394         (Plugin_manager::add_input_file): Add the is_lib argument.
1395         (add_input_file): Update call to Plugin_manager::add_input_file.
1396         (add_input_library): New.
1397         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
1398
1399 2009-09-30  Doug Kwan  <dougkwan@google.com>
1400
1401         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
1402         symbol and call Symbol::may_need_copy_reloc to determine if
1403         a copy reloc is needed.
1404         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
1405         nocopyreloc is given in command line.
1406         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
1407         given in command line.
1408         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
1409         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
1410         of the removed Target_i386::may_need_copy_reloc.
1411         * options.h (copyreloc): New option with default value false.
1412         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
1413         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
1414         instead of the removed Target_powerpc::may_need_copy_reloc.
1415         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
1416         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
1417         instead of the removed Target_sparc::may_need_copy_reloc.
1418         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
1419         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
1420         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
1421         instead of the removed Target_x86_64::may_need_copy_reloc.
1422
1423 2009-09-30  Ian Lance Taylor  <iant@google.com>
1424
1425         * object.h (class Object): Remove target_ field, and target,
1426         sized_target, and set_target methods.
1427         (Object::sized_target): Remove.
1428         (class Sized_relobj): Update declarations.  Remove sized_target.
1429         * object.cc (Sized_relobj::setup): Remove target parameter.
1430         Change all callers.
1431         (Input_objects::add_object): Don't do anything with the target.
1432         (make_elf_sized_object): Add punconfigured parameter.  Change all
1433         callers.  Set or test parameter target.
1434         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
1435         Change all callers.
1436         * parameters.cc (Parameters::set_target): Change parameter type to
1437         be non-const.
1438         (Parameters::default_target): Remove.
1439         (set_parameters_target): Change parameter type to be non-const.
1440         (parameters_force_valid_target): New function.
1441         (parameters_clear_target): New function.
1442         * parameters.h (class Parameters): Update declarations.  Remove
1443         default_target method.  Add sized_target and clear_target
1444         methods.  Change target_ to be non-const.
1445         (set_parameters_target): Update declaration.
1446         (parameters_force_valid_target): Declare.
1447         (parameters_clear_target): Declare.
1448         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
1449         as NULL if we aren't searching.
1450         (Add_symbols::run): Don't check for compatible target.
1451         * fileread.cc (Input_file::open_binary): Call
1452         parameters_force_valid_target.
1453         * gold.cc (queue_middle_tasks): Likewise.
1454         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
1455         set_target on object.
1456         * dynobj.h (class Sized_dynobj): Update declarations.
1457         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
1458         make_elf_object returns NULL.
1459         (Archive::include_member): Don't check whether object target is
1460         compatible.
1461         * output.cc (Output_section::add_input_section): Get target from
1462         parameters.
1463         (Output_section::relax_input_section): Likewise.
1464         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
1465         parameters.
1466         (Sized_relobj::do_scan_relocs): Likewise.
1467         (Sized_relobj::relocate_sections): Likewise.
1468         * resolve.cc (Symbol_table::resolve): Likewise.
1469         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
1470         parameter.  Change all callers.
1471         (Symbol_table::add_from_object): Get target from parameters.
1472         (Symbol_table::add_from_relobj): Don't check object target.
1473         (Symbol_table::add_from_dynobj): Likewise.
1474         (Symbol_table::define_special_symbol): Get target from
1475         parameters.
1476         * symtab.h (class Symbol_table): Update declaration.
1477         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
1478         parameter.  Change all callers.  Clear parameter target.
1479         (Binary_test): Test target here.
1480         * testsuite/object_unittest.cc (gold_testsuite): Remove
1481         target_test_pointer parameter.  Change all callers.
1482         (Object_test): Test target here.
1483
1484 2009-09-26  Ian Lance Taylor  <iant@google.com>
1485
1486         * testsuite/initpri1.c: Don't try to use constructor priorities if
1487         compiling with gcc before 4.3.
1488
1489 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
1490
1491         * testsuite/retain_symbols_file_test.sh (check_present): Change
1492         output file name to retain_symbols_file_test.stdout.
1493         (check_absent): Likewise.
1494
1495 2009-09-18  Craig Silverstein  <csilvers@google.com>
1496
1497         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
1498         * options.cc: Include <cerrno> and <fstream>.
1499         (General_options::finalize): Parse -retain-symbols-file tag.
1500         * options.h: New flag.
1501         (General_options): New method should_retain_symbol, new
1502         variable symbols_to_retain.
1503         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
1504         should_retain_symbol map.
1505         * testsuite/Makefile.am (retain_symbols_file_test): New test.
1506         * testsuite/Makefile.in: Regenerate.
1507         * testsuite/retain_symbols_file_test.sh: New file.
1508
1509 2009-09-18  Nick Clifton  <nickc@redhat.com>
1510
1511         * po/es.po: Updated Spanish translation.
1512
1513 2009-09-17  Doug Kwan  <dougkwan@google.com>
1514
1515         * debug.h (DEBUG_RELAXATION): New constant.
1516         (DEBUG_ALL): Add DEBUG_RELAXATION.
1517         (debug_string_to_enum): Add relaxation debug option.
1518         * layout.cc
1519         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
1520         Layout::Relaxation_debug_check::read_sections,
1521         Layout::Relaxation_debug_check::read_sections): New method definitions.
1522         (Layout::Layout): Initialize data members
1523         record_output_section_data_from_scrips_,
1524         script_output_section_data_list_ and relaxation_debug_check_.
1525         (Layout::save_segments, Layout::restore_segments,
1526         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
1527         Layout::relaxation_loop_body): New method definitions.
1528         (Layout::finalize): Support relaxation.  Move section layout code to
1529         Layout::relaxation_loop_body.
1530         (Layout::set_asection_address_from_script): Move code for orphan
1531         section placement out.
1532         (Layout::place_orphan_sections_in_script): New method definition.
1533         * layout.h (Output_segment_headers, Output_file_header):
1534         New forward class declarations.
1535         (Layout::~Layout): Define.
1536         (Layout::new_output_section_data_from_script): New method definition.
1537         (Layout::place_orphan_sections_in_script): New method declaration.
1538         (Layout::Segment_states): New type declaration.
1539         (Layout::save_segments, Layout::restore_segments,
1540         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
1541         Layout::relaxation_loop_body): New method declarations.
1542         (Layout::Output_section_data_list): New type declaration.
1543         (Layout::Relaxation_debug_check): New class definition.
1544         (Layout::record_output_section_data_from_script_,
1545         Layout::script_output_section_data_list_, Layout::segment_states_,
1546         Layout::relaxation_debug_check_): New data members.
1547         * output.cc: (Output_section_headers::do_size): New method definition.
1548         (Output_section_headers::Output_section_headers): Move size
1549         computation to Output_section_headers::do_size.
1550         (Output_segment_headers::do_size): New method definition.
1551         (Output_file_header::Output_file_header): Move size computation to 
1552         Output_file_header::do_size and call it.
1553         (Output_file_header::do_size): New method definition.
1554         (Output_data_group::Output_data_group): Adjust call to
1555         Output_section_data.
1556         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
1557         (Output_symtab_xindex::do_write): Add array bound check.
1558         (Output_section::Input_section::print_to_mapfile): Handle
1559         RELAXED_INPUT_SECTION_CODE.
1560         (Output_section::Output_section): Initialize data member checkpoint_.
1561         (Output_section::~Output_section): Delete checkpoint object pointed
1562         by checkpoint_.
1563         (Output_section::add_input_section): Always add an Input_section if
1564         relaxing.
1565         (Output_section::add_merge_input_section): Add assert.
1566         (Output_section::relax_input_section): New method definition.
1567         (Output_section::set_final_data_size): Set load address to zero for
1568         an unallocated section.
1569         (Output_section::do_address_and_file_offset_have_reset_values):
1570         New method definition.
1571         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
1572         Handle relaxed input section.
1573         (Output_section::sort_attached_input_sections): Checkpoint input
1574         section list lazily.
1575         (Output_section::get_input_sections): Change type of input_sections to
1576         list of Simple_input_section pointers.  Checkpoint input section list
1577         lazily.  Also handle relaxed input sections.
1578         (Output_section::add_input_section_for_script): Take a reference to
1579         a Simple_input_section object instead of Relobj pointer and section
1580         index as parameter.  Handle relaxed input sections.
1581         (Output_section::save_states, Output_section::restore_states): New
1582         method definitions.
1583         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
1584         (Output_data::is_data_size_fixed): New method definition.
1585         (Output_data::reset_addresss_and_file_offset): Do not reset data size
1586         if it is fixed.
1587         (Output_data::address_and_file_offset_have_reset_values): New method
1588         definition.
1589         (Output_data::do_address_and_file_offset_have_reset_values): New method
1590         definition.
1591         (Output_data::set_data_size): Check that data size is not fixed.
1592         (Output_data::fix_data_size): New method definition.
1593         (Output_data::is_data_size_fixed_): New data member.
1594         (Output_section_headers::set_final_data_size): New method definition.
1595         (Output_section_headers::do_size): New method declaration.
1596         (Output_segment_headers::set_final_data_size): New method definition.
1597         (Output_segment_headers::do_size): New method declaration.
1598         (Output_file_header::set_final_data_size)::New method definition.
1599         (Output_file_header::do_size)::New method declaration.
1600         (Output_section_data::Output_section_data): Add new parameter
1601         is_data_size_fixed and use it to fix data size.
1602         (Output_data_const::Output_data_const): Adjust call to base class
1603         constructor and fix data size.
1604         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
1605         base class constructor and fix data size.
1606         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
1607         base class constructor and fix data size.
1608         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
1609         class constructor and fix data size.
1610         (Output_data_group::set_final_data_size): New method definition.
1611         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
1612         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
1613         class constructor and fix data size.
1614         (Output_relaxed_input_section): New class definition.
1615         (Output_section::Simple_input_section): New class definition.
1616         (Output_section::get_input_sections): Adjust parameter list.
1617         (Output_section::add_input_section_for_script): Same.
1618         (Output_section::save_states, Output_section::restore_states,
1619         Output_section::do_address_and_file_offset_have_reset_values,
1620         (Output_section::Input_section::Input_section): Handle
1621         RELAXED_INPUT_SECTION_CODE.  Add new overload for
1622         Output_relaxed_input_section.
1623         (Output_section::Input_section::is_input_section,
1624         Output_section::Input_section::set_output_section): Handle relaxed
1625         input section.
1626         (Output_section::Input_section::is_relaxed_input_section,
1627         Output_section::Input_section::output_section_data,
1628         Output_section::Input_section::relaxed_input_section): New method
1629         definitions.
1630         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
1631         value.
1632         (Output_section::Input_section::u1_): Update comments.
1633         (Output_section::Input_section::u2_): Add new union member poris.
1634         (Output_section::Checkpoint_output_section): New classs definition.
1635         (Output_section::relax_input_section): New method declaration.
1636         (Output_section::checkpoint_): New data member.
1637         (Output_segment): Update comments.
1638         (Output_segment::Output_segment): Un-privatize copy constructor.
1639         (Output_segment::operator=): Un-privatize.
1640         * script-sections.cc (Output_section_element::Input_section_list):
1641         Change element type to Output_section::Simple_input_section.
1642         (Output_section_element_dot_assignment::set_section_addresses):
1643         Register output section data for relaxation clean up.
1644         (Output_data_exression::Output_data_expression): Adjust call to base
1645         constructor to fix data size.
1646         (Output_section_element_data::set_section_addresses): Register
1647         Output_data_expression object for relaxation clean up.
1648         (struct Input_section_info): Replace Relobj pointer and section index
1649         pair with Output_section::Simple_input_section and Convert struct to a
1650         class.
1651         (Input_section_sorter::operator()): Adjust access to
1652         Input_section_info data member to use accessors. 
1653         (Output_section_element_input::set_section_addresses): Use layout
1654         parameter.  Adjust code to use Output_section::Simple_input_section
1655         and Input_secction_info classes.  Register filler for relaxation
1656         clean up.
1657         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
1658         and section index pair with Output_section::Simple_input_section
1659         class.  Adjust code accordingly.
1660         (Phdrs_element::release_segment): New method definition.
1661         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
1662         segment list.
1663         (Script_sections::release_segments): New method definition.
1664         * gold/script-sections.h (Script_sections::release_segments): New
1665         method declaration.
1666         * gold/target.h (Target::may_relax, Target::relax,
1667         Target::do_may_relax, Target::do_relax): New method definitions.
1668
1669 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1670
1671         * arm.cc (has_signed_unsigned_overflow): New function.
1672         (Arm_relocate_functions::abs8): New function.
1673         (Target_arm::Scan::local): Handle R_ARM_ABS8.
1674         (Target_arm::Scan::global): Likewise.
1675         (Target_arm::relocate::relocate): Likewise.
1676         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1677         Likewise.
1678
1679 2009-09-16  Cary Coutant  <ccoutant@google.com>
1680
1681         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
1682         * testsuite/Makefile.in: Regenerate.
1683
1684 2009-09-11  Nick Clifton  <nickc@redhat.com>
1685
1686         * po/gold.pot: Updated by the Translation project.
1687
1688 2009-09-08  Cary Coutant  <ccoutant@google.com>
1689
1690         * output.cc (Output_file::open): Add execute permission to empty file.
1691         * testsuite/Makefile.am (permission_test): New test.
1692         * testsuite/Makefile.in: Regenerate.
1693
1694 2009-09-02  Ian Lance Taylor  <iant@google.com>
1695
1696         * output.cc (Output_file::resize): Call map_no_anonymous rather
1697         than map.
1698
1699 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
1700
1701         * gold.cc: Include "incremental.h".
1702         (queue_initial_tasks): Call Incremental_checker methods.
1703         * incremental.cc: Include "output.h".
1704         (Incremental_checker::can_incrementally_link_output_file): New
1705         method.
1706         * incremental.h (Incremental_checker): New class.
1707
1708         * output.cc (Output_file::open_for_modification): New method.
1709         (Output_file::map_anonymous): Changed return type to bool.  Record
1710         map in base_ field.
1711         (Output_file::map_no_anonymous): New method, broken out of map.
1712         (Output_file::map): Use map_no_anonymous and map_anonymous.
1713         * output.h (class Output_file): Update declarations.
1714
1715 2009-08-24  Cary Coutant  <ccoutant@google.com>
1716
1717         * options.h (Command_line::Pre_options): New class.
1718         (Command_line::pre_options): New member.
1719         * options.cc (gold::options::ready_to_register): New variable.
1720         (One_option::register_option): Do nothing if not registering options.
1721         Assert if same short option registered twice.
1722         (General_options::General_options): Turn off option registration when
1723         done constructing.
1724         (Command_line::Pre_options::Pre_options): New constructor.
1725
1726 2009-08-24  Cary Coutant  <ccoutant@google.com>
1727
1728         * options.h (General_options::no_keep_memory): Remove incorrect
1729         short option.
1730
1731 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1732
1733         * Makefile.am (am__skiplex, am__skipyacc): New.
1734         * Makefile.in: Regenerate.
1735
1736 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1737
1738         * Makefile.am (AM_CPPFLAGS): Renamed from ...
1739         (INCLUDES): ... this.
1740         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
1741         (AM_CPPFLAGS): Renamed from ...
1742         (INCLUDE): ... this.
1743         * Makefile.in, testsuite/Makefile.in: Regenerate.
1744
1745         * Makefile.in: Regenerate.
1746         * aclocal.m4: Likewise.
1747         * config.in: Likewise.
1748         * configure: Likewise.
1749         * testsuite/Makefile.in: Likewise.
1750
1751         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
1752         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
1753         * Makefile.in: Regenerate.
1754         * testsuite/Makefile.in: Regenerate.
1755
1756 2009-08-19  Cary Coutant  <ccoutant@google.com>
1757
1758         * resolve.cc (Symbol_table::resolve): Don't complain about defined
1759         symbols in shared libraries overridden by hidden or internal symbols
1760         in the main program.
1761
1762 2009-08-19  Chris Demetriou  <cgd@google.com>
1763
1764         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
1765         checking source file names in error messages.
1766
1767 2009-08-18  Doug Kwan  <dougkwan@google.com>
1768
1769         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
1770         an elcpp::Ehdr as parameter.  Adjust call to set_target.
1771         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
1772         an elfcpp::Ehdr as parameter.
1773         * object.cc (Object::set_target): Remove the version that looks up
1774         a target and sets it.
1775         (Sized_relobj::setup): Take a Target object instead of
1776         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
1777         (make_elf_sized_object): Find target and ask target to
1778         make an ELF object.
1779         * object.h: (Object::set_target): Remove the version that looks up
1780         a target and sets it.
1781         (Sized_relobj::setup): Take a Target object instead of
1782         an elfcpp:Ehdr as parameter.
1783         * target.cc: Include dynobj.h.
1784         (Target::do_make_elf_object_implementation): New.
1785         (Target::do_make_elf_object): New.
1786         * target.h (Target::make_elf_object): New template declaration.
1787         (Target::do_make_elf_object): New method declarations.
1788         (Target::do_make_elf_object_implementation): New template declaration.
1789
1790 2009-08-14  Ian Lance Taylor  <iant@google.com>
1791
1792         * gold.h (FUNCTION_NAME): Define.
1793         (gold_unreachable): Use FUNCTION_NAME.
1794
1795 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
1796
1797         * icf.cc (Icf::find_identical_sections): Issue a warning when a
1798         symbol in the --keep-unique list is not found.
1799
1800 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
1801
1802         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
1803         been maked as --keep-unique.
1804         (Icf::unfold_section): New function.
1805         * icf.h (Icf::unfold_section): New function.
1806         * options.h (General_options::keep_unique): New option.
1807         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
1808         * testsuite/Makefile.in: Regenerate.
1809         * testsuite/icf_keep_unique_test.sh: New file.
1810         * testsuite/icf_keep_unique_test.cc: New file.
1811
1812 2009-08-12  Cary Coutant  <ccoutant@google.com>
1813
1814         PR 10471
1815         * resolve.cc (Symbol_table::resolve): Check for references from
1816         dynamic objects to hidden and internal symbols.
1817         * testsuite/Makefile.am (hidden_test.sh): New test.
1818         * testsuite/Makefile.in: Regenerate.
1819         * testsuite/hidden_test.sh: New script.
1820         * testsuite/hidden_test_1.c: New test source.
1821         * testsuite/hidden_test_main.c: New test source.
1822
1823 2009-08-11  Doug Kwan  <dougkwan@google.com>
1824
1825         * arm.cc: Update comments.
1826         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
1827         segment to locate the .ARM.exidx section if present.
1828
1829 2009-08-09  Doug Kwan  <dougkwan@google.com>
1830
1831         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
1832         patch.
1833
1834 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
1835         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
1836         compiler warnings.
1837
1838 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
1839
1840         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
1841         valid tls_segment only for non-debug-section relocations.
1842         * testsuite/Makefile.am: Add gc_tls_test.
1843         * testsuite/Makefile.in: Regenerate.
1844         * testsuite/gc_tls_test.cc: New file.
1845         * testsuite/gc_tls_test.sh: New file.
1846
1847 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
1848         
1849         * icf.cc: New file.
1850         * icf.h: New file.
1851         * Makefile.am (CCFILES): Add icf.cc.
1852         (HFILES): Add icf.h
1853         * Makefile.in: Regenerate.
1854         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
1855         * gc.h (gc_process_relocs): Populate lists used by icf to contain
1856         section, symbol and addend information for the relocs.
1857         * gold.cc (queue_middle_tasks): Call identical code folding.
1858         * gold.h: Add defines for multimap.
1859         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
1860         to the call of finalize_local_symbols.
1861         * main.cc (main): Create object of class Icf.
1862         * object.cc (Sized_relobj::do_layout): Allow this function to be
1863         called twice during icf.
1864         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
1865         to sections marked as identical by icf.
1866         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
1867         when available.
1868         (Sized_relobj::do_section_entsize): New function.
1869         * object.h (Object::section_entsize): New function.
1870         (Object::do_section_entsize): New pure virtual function.
1871         (Relobj::finalize_local_symbols): Add new parameter.
1872         (Relobj::do_section_entsize): New function.
1873         * options.h (General_options::icf): New option.
1874         (General_options::icf_iterations): New option.
1875         (General_options::print_icf_sections): New option.
1876         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
1877         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
1878         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
1879         icf.
1880         * symtab.cc (Symbol_table::is_section_folded): New function.
1881         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
1882         to sections marked as identical by icf.
1883         * symtab.h (Symbol_table::set_icf): New function.
1884         (Symbol_table::icf): New function.
1885         (Symbol_table::is_section_folded): New function.
1886         (Symbol_table::icf_): New data member.
1887         * target-reloc.h (relocate_section): Ignore sections folded by icf.
1888         * testsuite/Makefile.am: Add commands to build icf_test.
1889         * testsuite/Makefile.in: Regenerate.
1890         * testsuite/icf_test.sh: New file.
1891         * testsuite/icf_test.cc: New file.
1892
1893 2009-07-24  Chris Demetriou  <cgd@google.com>
1894
1895         * layout.cc (is_compressible_debug_section): Fix incorrect
1896         comment about compressed section names.
1897
1898 2009-07-20  Ian Lance Taylor  <ian@airs.com>
1899
1900         PR 10419
1901         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
1902
1903 2009-07-16  Ian Lance Taylor  <iant@google.com>
1904
1905         PR 10400
1906         * layout.h: #include <map>.
1907         (class Kept_section): Change from struct to class.  Add accessors
1908         and setters.  Add section size to Comdat_group mapping.  Change
1909         Comdat_group to std::map.  Add is_comdat_ field.  Add
1910         linkonce_size field in union.
1911         (class Layout): Update declaration of find_or_add_kept_section.
1912         Don't declare find_kept_object.
1913         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
1914         parameter.  Add object, shndx, is_comdat, and is_group_name
1915         parameters.  Change all callers.  Adjust for new Kept_section.
1916         (Layout::find_kept_object): Remove.
1917         * object.cc (Sized_relobj::include_section_group): Update use of
1918         Kept_section.  Rename secnum to shndx.  Only record
1919         Kept_comdat_section if sections are the same size.
1920         (Sized_relobj::include_linkonce_section): Update use of
1921         Kept_section.  Only record Kept_comdat_section if sections are the
1922         same size.  Set size of linkonce section.
1923         (Sized_relobj::map_to_kept_section): Update call to
1924         get_kept_comdat_section.
1925         * object.h (class Sized_relobj): Rename fields in
1926         Kept_comdat_section to drop trailing underscores; change object
1927         field to Relobj*.  Change Kept_comdat_section_table to store
1928         struct rather than pointer.
1929         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
1930         Add kept_object and kept_shndx parameters.  Change all callers.
1931         (Sized_relobj::get_kept_comdat_section): Change return type to
1932         bool.  Add kept_object and kept_shndx parameters.  Change all
1933         callers.
1934         * plugin.cc (Pluginobj::include_comdat_group): Update call to
1935         Layout::find_or_add_kept_section.
1936
1937 2009-07-09  Ian Lance Taylor  <iant@google.com>
1938
1939         * merge.cc (Object_merge_map::initialize_input_to_output_map):
1940         Reserve space in the hash table.
1941
1942 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
1943
1944         * fileread.cc (File_read::get_mtime): New method.
1945         * fileread.h (Timespec): New structure.
1946         (File_read::get_mtime): New method.
1947         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
1948         Renamed from timestamp_nsec.
1949         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
1950         Elf_Xword.
1951         (Incremental_inputs_entry_write::timestamp_usec): Renamed from 
1952         timestamp_nsec.
1953         (Incremental_inputs::report_archive): Save mtime; style fix. 
1954         (Incremental_inputs::report_obejct): Save mtime; style fix.
1955         (Incremental_inputs::report_script): Save mtime; style fix.
1956         (Incremental_inputs::finalize_inputs): Style fix.
1957         (Incremental_inputs::finalize): Style fix.
1958         (Incremental_inputs::create_input_section_data): Store inputs
1959         mtime.
1960         * incremental.h (Incremental_inputs::report_script): Add mtime
1961         argument.
1962         (Incremental_inputs::Input_info::Input_info): Intialize only one
1963         union member.
1964         (Incremental_inputs::Input_info::archive): Move to nameless
1965         union.
1966         (Incremental_inputs::Input_info::obejct): Move to nameless union.
1967         (Incremental_inputs::Input_info::script): Move to nameless union.
1968         (Incremental_inputs::mtime): New field.
1969         * script.cc (read_input_script): Pass file mtime to
1970         Incremental_input.
1971         * script.h (Script_info::inputs): Style fix.
1972
1973 2009-07-01  Ian Lance Taylor  <ian@airs.com>
1974
1975         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
1976         instead of 32.
1977
1978 2009-06-24  Ian Lance Taylor  <iant@google.com>
1979
1980         PR 10156
1981         * layout.cc (Layout::choose_output_section): If we find an
1982         existing section, update the flags.
1983         (Layout::create_notes): New function, broken out of
1984         Layout::finalize.
1985         (Layout::finalize): Don't create note sections.
1986         (Layout::create_note): Don't crash if linker script discards
1987         section.
1988         (Layout::create_gold_note): Likewise.
1989         (Layout::create_build_id): Likewise.  Don't set
1990         after_input_sections on the section.
1991         (Layout::create_executable_stack_info): Remove target parameter.
1992         Change caller.
1993         * layout.h (class Layout): Declare create_notes.  Update
1994         declaration of create_executable_stack_info.
1995         * gold.cc (queue_middle_tasks): Call create_notes.
1996         * output.cc (Output_section::update_flags_for_input_section): Move
1997         here from output.h.  If SHF_ALLOC flag is newly set, mark address
1998         invalid.
1999         * output.h (Output_data::mark_address_invalid): New function.
2000         (class Output_section): Only declare, not define,
2001         update_flags_for_input_section.  Remove set_flags.
2002
2003 2009-06-24  Ian Lance Taylor  <iant@google.com>
2004
2005         * script-sections.cc (Output_section_definition::
2006         set_section_addresses): Rename shadowing local load_address to
2007         laddr.
2008
2009 2009-06-24  Ian Lance Taylor  <iant@google.com>
2010
2011         PR 10244
2012         * reloc.cc (relocate_sections): Skip empty relocation sections.
2013
2014 2009-06-23  Ian Lance Taylor  <iant@google.com>
2015
2016         PR 10156
2017         * layout.cc (Layout::create_note): Use choose_output_section
2018         rather than make_output_section.
2019
2020 2009-06-23  Ian Lance Taylor  <iant@google.com>
2021
2022         PR 10237
2023         * options.cc (General_options::parse_V): Set printed_version_.
2024         (General_options::General_options): Initialize printed_version_.
2025         * options.h (class General_options): Add printed_version_ field.
2026         * gold.cc (queue_initial_tasks): If there are no input files,
2027         don't give a fatal error if we printed the version information.
2028         (queue_middle_tasks): If using -r with a shared object, give a
2029         fatal error rather than an ordinary error.
2030
2031 2009-06-23  Ian Lance Taylor  <iant@google.com>
2032
2033         PR 10219
2034         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
2035         (Layout::make_output_section): Set have_stabstr_section_ if we see
2036         a .stab*str section.
2037         (Layout::finalize): Call link_stabs_sections.
2038         (Layout::link_stabs_sections): New file.
2039         * layout.h (class Layout): Add have_stabstr_section_ field.
2040         Declare link_stabs_sections.
2041
2042 2009-06-23  Doug Kwan  <dougkwan@google.com>
2043
2044         * Makefile.am (libgold_a_LIBADD): New.
2045         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
2046         * Makefile.in: Regenerate.
2047         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
2048         * configure: Regenerate.
2049         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
2050         * fileread.cc: Include sys/state.h
2051         * gold.h: Declare memmem and strndup if found missing.
2052         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
2053
2054 2009-06-23  Ian Lance Taylor  <iant@google.com>
2055
2056         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
2057         * configure: Rebuild.
2058
2059 2009-06-23  Ian Lance Taylor  <iant@google.com>
2060
2061         PR 10147
2062         * object.cc (Object::section_contents): Don't try to get a view if
2063         the section has length zero.
2064         (Object::handle_gnu_warning_section): If the section is empty, use
2065         the name of the section as the warning.
2066
2067 2009-06-23  Ian Lance Taylor  <iant@google.com>
2068
2069         PR 10133
2070         * stringpool.h (class Stringpool_template): Add optimize_ field.
2071         (Stringpool_template::set_optimize): New function.
2072         * stringpool.cc (Stringpool_template::Stringpool_template):
2073         Initialize optimize_ field.
2074         (Stringpool_template::set_string_offsets): Test local optimize
2075         fild rather than parameter.
2076         * layout.cc (Layout::Layout): Call set_optimize on the section
2077         name stringpool.
2078
2079 2009-06-22  Ian Lance Taylor  <iant@google.com>
2080
2081         PR 10030
2082         * yyscript.y: Parse TARGET.
2083         * script.cc (script_set_target): New function.
2084         * script-c.h (script_set_target): Declare.
2085         * options.cc (General_options::string_to_object_format): Rename
2086         from string_to_object_format in anonymous namespace.  Change
2087         callers.
2088         * options.h (class General_options): Declare
2089         string_to_object_format.
2090
2091 2009-06-22  Ian Lance Taylor  <iant@google.com>
2092
2093         * script-sections.cc (Script_sections::create_segments): Don't put
2094         program headers in a PT_LOAD segment if -n or -N.
2095
2096 2009-06-22  Ian Lance Taylor  <iant@google.com>
2097
2098         PR 10141
2099         * options.h (class General_options): Add -z lazy and -z now.  Sort
2100         -z options into alphabetical order.
2101         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
2102
2103 2009-06-21  Ian Lance Taylor  <iant@google.com>
2104
2105         * layout.cc (Layout::make_output_section): Call
2106         Target::new_output_section.
2107         (Layout::attach_allocated_section_to_segment): Put large section
2108         sections in a separate load segment with the large segment flag
2109         set.
2110         (Layout::segment_precedes): Sort large data segments after other
2111         load segments.
2112         (align_file_offset): New static function.
2113         (Layout::set_segment_offsets): Use align_file_offset.
2114         * output.h (class Output_section): Add is_small_section_ and
2115         is_large_section_ fields.
2116         (Output_section::is_small_section): New function.
2117         (Output_section::set_is_small_section):  New function.
2118         (Output_section::is_large_section): New function.
2119         (Output_section::set_is_large_section): New function.
2120         (Output_section::is_large_data_section): New function.
2121         (class Output_segment): Add is_large_data_segment_ field.
2122         (Output_segment::is_large_data_segment): New function.
2123         (Output_segment::set_is_large_data_segment): New function.
2124         * output.cc (Output_section::Output_section): Initialize new
2125         fields.
2126         (Output_segment::Output_segment): Likewise.
2127         (Output_segment::add_output_section): Add assertion that large
2128         data sections always go in large data segments.  Force small data
2129         sections to the end of the list of data sections.  Force small BSS
2130         sections to the start of the list of BSS sections.  For large BSS
2131         sections to the end of the list of BSS sections.
2132         * symtab.h (class Symbol): Declare is_common_shndx.
2133         (Symbol::is_defined): Check Symbol::is_common_shndx.
2134         (Symbol::is_common): Likewise.
2135         (class Symbol_table): Define enum Commons_section_type.  Update
2136         declarations.  Add small_commons_ and large_commons_ fields.
2137         * symtab.cc (Symbol::is_common_shndx): New function.
2138         (Symbol_table::Symbol_table): Initialize new fields.
2139         (Symbol_table::add_from_object): Put small and large common
2140         symbols in the right list.
2141         (Symbol_table::sized_finalized_symbol): Check
2142         Symbol::is_common_shndx.
2143         (Symbol_table::sized_write_globals): Likewise.
2144         * common.cc (Symbol_table::do_allocate_commons): Allocate new
2145         common symbol lists.  Don't call do_allocate_commons_list if the
2146         list is empty.
2147         (Symbol_table::do_allocate_commons_list): Remove is_tls
2148         parameter.  Add comons_section_type parameter.  Change all
2149         callers.  Handle small and large common symbols.
2150         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
2151         Symbol::is_common_shndx.
2152         * resolve.cc (symbol_to_bits): Likewise.
2153         * target.h (Target::small_common_shndx): New function.
2154         (Target::small_common_section_flags): New function.
2155         (Target::large_common_shndx): New function.
2156         (Target::large_common_section_flags): New function.
2157         (Target::new_output_section): New function.
2158         (Target::Target_info): Add small_common_shndx, large_common_shndx,
2159         small_common_section_flags, and large_common_section_flags
2160         fields.
2161         (Target::do_new_output_section): New virtual function.
2162         * arm.cc (Target_arm::arm_info): Initialize new fields.
2163         * i386.cc (Target_i386::i386_info): Likewise.
2164         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
2165         Likewise.
2166         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
2167         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
2168         (Target_x86_64::do_new_output_section): New function.
2169         * configure.ac: Define conditional MCMODEL_MEDIUM.
2170         * testsuite/Makefile.am (check_PROGRAMS): Add large.
2171         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
2172         (large_LDFLAGS): Define.
2173         * testsuite/large.c: New file.
2174         * testsuite/testfile.cc (Target_test::test_target_info):
2175         Initialize new fields.
2176         * configure, testsuite/Makefile.in: Rebuild.
2177
2178 2009-06-05  Doug Kwan  <dougkwan@google.com>
2179
2180         * Makefile.am (CCFILES): Add target.cc.
2181         * Makefile.in: Regenerate. 
2182         * i386.cc (class Target_i386): Define new virtual method to
2183         override do_is_local_label_name in parent.
2184         * object.cc (Sized_relobj::do_count_local_symbols): Discard
2185         local symbols if --discard-locals or -X is given.
2186         * options.h (class General_options): Declare new options
2187         '--discard-locals' and '-X' for discarding locals.
2188         * target.h (class Target): Define new methods is_local_label_name.
2189         Declare new virtual method do_is_local_label_name.
2190         * target.cc: New file.
2191         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
2192         (check_SCRIPTS): Add discard_locals_test.sh.
2193         (check_DATA): Add discard_local_tests.syms.
2194         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
2195         (discard_local_tests.syms, discard_locals_test.o): New make rules.
2196         * testsuite/Makefile.in: Regenerate.
2197         * testsuite/discard_locals_test.c: New file.
2198         * testsuite/discard_locals_test.sh: Same.
2199
2200 2009-06-05  Doug Kwan  <dougkwan@google.com>
2201
2202         * object.cc (Sized_relobj::Sized_relobj): Initialize
2203         discarded_eh_frame_shndx_ to -1U.
2204         (Sized_relobj::do_layout): Record index of a discard .eh_frame
2205         section.
2206         (Sized_relobj::do_count_local_symbols): Skip local symbols in
2207         a discarded .eh_frame section.
2208         (Sized_relobj::do_finalize_local_symbols): Ditto.
2209         * object.h (class Sized_relobj): Declare new member
2210         discarded_eh_frame_shndx_.
2211         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
2212         (local_labels_test.o, local_labels_test): New rules.
2213         * testsuite/Makefile.in: Regenerate.
2214
2215 2009-06-04  Doug Kwan  <dougkwan@google.com>
2216
2217         * layout.cc (Layout::section_name_mapping): Add mapping for
2218         special ARM sections.
2219
2220 2009-06-03  Doug Kwan  <dougkwan@google.com>
2221
2222         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
2223         (utils::has_overflow): Same.
2224
2225 2009-06-03  Ian Lance Taylor  <iant@google.com>
2226
2227         * layout.cc (Layout::section_name_mapping): New array, replacing
2228         Layout::linkonce_mapping.
2229         (Layout::section_name_mapping_count): New variable, replacing
2230         Layout::linkonce_mapping_count.
2231         (Layout::linkonce_output_name): Remove.
2232         (Layout::output_section_name): Rewrite.
2233         * layout.h (class Layout): Rename Linkonce_mapping to
2234         Section_name_mapping, linkonce_mapping to section_name_mapping,
2235         linkonce_mapping_count to section_name_mapping_count.  Don't
2236         declare linkonce_output_name.
2237
2238 2009-06-03  Doug Kwan  <dougkwan@google.com>
2239
2240         * gold/arm.cc (namespace utils): New.
2241         (Target_arm::reloc_is_non_pic): Define new method.
2242         (class Arm_relocate_functions): New.
2243         (Target_arm::Relocate::relocate): Handle relocation types used by
2244         Android.
2245
2246 2009-06-03  Ian Lance Taylor  <iant@google.com>
2247
2248         * arm.cc (Target_arm::scan::global): Use || instead of |.
2249
2250 2009-06-02  Doug Kwan  <dougkwan@google.com>
2251
2252         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
2253         issued_non_pic_error_.
2254         (class Target_arm::Scan): Declare new method check_non_pic.
2255         Define new method symbol_needs_plt_entry.
2256         Declare new data member issued_non_pic_error_.
2257         (class Target_arm::Relocate): Declare new method
2258         should_apply_static_reloc.
2259         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
2260         (Target_arm::Scan::check_non_pic): Define new method.
2261         (Target_arm::Scan::local): Handle a small subset of reloc types used
2262         by Android.
2263         (Target_arm::Scan::local): Same.
2264         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
2265
2266 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
2267
2268         * incremental.cc (Incremental_inputs::report_command_line): Filter
2269         out --incremental-* options.
2270
2271 2009-05-29  Doug Kwan  <dougkwan@google.com>
2272
2273         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
2274         template class.
2275         (class Target_arm): Update comment.
2276         (Target_arm::Target_arm): Initialize new data members GOT_,
2277         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
2278         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
2279         and Target_arm::rel_dyn_section.
2280         Declare new_enum Target_arm::Got_type.
2281         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
2282         and DYNBSS_.
2283         Update commments for member do_dynsym_value.
2284         (Target_arm::got_size, Target_arm::plt_section,
2285         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
2286         new methods inside class defintion.
2287         (Target_arm::got_section): Define new method.
2288         (Target_arm::rel_dyn_section): Same.
2289         (Output_data_plt_arm): New template class.
2290         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
2291         (Output_data_plt_arm:do_adjust_output_section): Define new method.
2292         (Output_data_plt_arm::add_entry): Same.
2293         (Output_data_plt_arm::first_plt_entry): Define new
2294         static data member for PLT instruction template.
2295         (Output_data_plt_arm::plt_entry): Same.
2296         (Output_data_plt_arm::do_write): Define new method.
2297         (Target_arm::make_plt_entry): Same.
2298         (Target_arm::do_finalize_sections): Same.
2299         (Target_arm::do_dynsym_value): Same.
2300
2301 2009-05-28  Doug Kwan  <dougkwan@google.com>
2302
2303         * Makefile.am (TARGETSOURCES): Add arm.cc.
2304         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
2305         * Makefile.in: Regenerate.
2306         * arm.cc: New file.
2307         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
2308
2309 2009-05-26  Doug Kwan  <dougkwan@google.com>
2310
2311         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
2312         (General_options::check_excluded_libs): Strip off directories in
2313         archive name before matching like GNU ld does.
2314         * testsuite/Makefile.am (MOSTLYCLEANFILES,
2315         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
2316         (exclude_libs_test_LDFLAGS): Add linker option
2317         -Wl,--exclude-libs,libexclude_libs_test_3
2318         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
2319         an explicit archive without using -l.
2320         (alt/libexclude_libs_test_3.a): New make rule.
2321         * testsuite/Makefile.in: Regenerate.
2322         * testsuite/exclude_libs_test.c : Declare lib3_default().
2323         (main): Call it.
2324         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
2325         * exclude_libs_test_3.c: New file.
2326
2327 2009-05-26  Nick Clifton  <nickc@redhat.com>
2328
2329         * po/id.po: New Indonesian translation.
2330         * po/gold.pot: Updated template file.
2331
2332 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
2333
2334         * testsuite/Makefile.am: Add -ffunction-sections to compile 
2335         gc_comdat_test files.  Add -Wl,--gc-sections to build
2336         gc_comdat_test.
2337         * testsuite/Makefile.in: Regenerate.
2338         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
2339
2340 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
2341
2342         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
2343         kept comdat section was garbage collected.
2344         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
2345         * testsuite/Makefile.in: Regenerate.
2346         * testsuite/gc_comdat_test.sh: New file.
2347         * testsuite/gc_comdat_test_1.cc: New file.
2348         * testsuite/gc_comdat_test_2.cc: New file.
2349
2350 2009-05-19  Doug Kwan  <dougkwan@google.com>
2351
2352         * archive.cc (Archive::Archive): Move constructor from archive.h
2353         to here.  Initialize no_export_.
2354         (Archive::get_elf_object_for_member): Set no_export flag of object.
2355         * archive.h (Archive::Archive): Move constructor body to
2356         archive.cc.
2357         (Archive::no_export): New method.
2358         (Archive::no_export_): New field.
2359         * object.h (Object::Object): Initialize no_export_ to false.
2360         (Object::no_export, Object::set_no_export): New methods.
2361         (Object::no_export_): New field.
2362         * options.cc (General_options::parse_exclude_libs): New method.
2363         (General_options::check_excluded_libs) Same.
2364         * options.h (exclude_libs): New option.
2365         (General_options::check_excluded_libs): New method declaration.
2366         (General_options::excluded_libs_): New field.
2367         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
2368         default or protected visibility if an object has no-export flag set.
2369         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
2370         (check_SCRIPTS): Add exclude_libs_test.sh.
2371         (check_DATA): Add exclude_libs_test.syms.
2372         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
2373         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
2374         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
2375         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
2376         (exclude_libs_test.syms, libexclude_libs_test_1.a,
2377         libexclude_libs_test_2.a): New rules.
2378         * testsuite/Makefile.in: Regenerate.
2379         * testsuite/exclude_libs_test.c: New file.
2380         * testsuite/exclude_libs_test.sh: Ditto.
2381         * testsuite/exclude_libs_test_1.c: Ditto.
2382         * testsuite/exclude_libs_test_2.c: Ditto.
2383
2384 2009-05-15  Ian Lance Taylor  <iant@google.com>
2385
2386         * configure.ac: Check for declarations for cases where libiberty.h
2387         checks HAVE_DECL_xxx.
2388         * configure, config.in: Rebuild.
2389
2390 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
2391
2392         * gold.h (Incremental_argument_list): Remove (invalid) forward
2393         declaration.
2394         * incremental.cc (Incremental_inputs::report_achive): New method.
2395         (Incremental_inputs::report_object): New method.
2396         (Incremental_inputs::report_script): New method.
2397         (Incremental_inputs::finalize_inputs): New method.
2398         (Incremental_inputs::finalize): Call finalize_inputs().
2399         (Incremental_inputs::sized_create_incremental_inputs_section_data):
2400         Create inputs entries.
2401         * incremental.h (Incremental_input_type): New enum.
2402         (Incremental_inputs::Incremental_input): Initialize new fields.
2403         (Incremental_inputs::report_inputs): New method.
2404         (Incremental_inputs::report_achive): New method.
2405         (Incremental_inputs::report_object): New method.
2406         (Incremental_inputs::report_script): New method.
2407         (Incremental_inputs::finalize_inputs): New method.
2408         (Incremental_inputs::Input_info): New struct.
2409         (Incremental_inputs::Input_info_map): New typedef.
2410         (Incremental_inputs::lock_): New field.
2411         (Incremental_inputs::Inputs_): New field.
2412         (Incremental_inputs::Inputs_map): New field.
2413         * main.cc (main): Call Incremental_input::report_inputs.
2414         * options.h (Input_argument_list): Typedef moved from
2415         Input_arguments.
2416         (Input_file_group::Files): Remove, use ::Input_argument_list.
2417         (Input_file_group::Input_argument_list): Remove, use
2418         ::Input_argument_list.
2419         * plugin.cc (Plugin_manager::add_input_file): Add error in
2420         incremental build.
2421         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
2422         functions.
2423         * script.cc (read_input_script): Call
2424         Incremental_input::report_script.
2425         * script.h (Script_info): New class.
2426
2427 2009-04-27  Ian Lance Taylor  <iant@google.com>
2428
2429         * x86_64.cc (do_adjust_output_section): Set entsize to
2430         plt_entry_size.
2431
2432 2009-04-23  Elliott Hughes  <enh@google.com>
2433
2434         * output.cc (Output_file::close): After short writes, continue
2435         writing from the correct offset in the buffer being written.
2436
2437 2009-04-23  Chris Demetriou  <cgd@google.com>
2438
2439         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
2440         * configure: Regenerate.
2441         * config.in: Regenerate.
2442         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
2443         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
2444
2445 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
2446
2447         * incremental.cc (Incremental_inputs_header_data): Renamed from
2448         Incremental_input_header_data.
2449         (Incremental_inputs_header_data::data_size): New field.
2450         (Incremental_inputs_header_data::put_input_file_count): Renamed
2451         from input_file_count.
2452         (Incremental_inputs_header_data::put_command_line_offset): Renamed
2453         from command_line_offset.
2454         (Incremental_inputs_header_data::put_reserved): Renamed from
2455         put_reserved.
2456         (Incremental_inputs_entry_data): Renamed from
2457         Incremental_input_entry_data.
2458         (Incremental_inputs_entry_data::data_size): New field.
2459         (Incremental_inputs::report_command_line): New method.
2460         (Incremental_inputs::finalize): New method.
2461         (Incremental_inputs::create_incremental_inputs_data): New method.
2462         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
2463         * incremental.h: New file.
2464         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
2465        (Layout::finalize): Create incremental inputs section in
2466         incremental builds.
2467        (Layout::create_incremental_info_sections): New method.
2468         * layout.h (Layout::incremental_inputs): New method.
2469        (Layout::create_incremental_info_sections): New method.
2470        (Layout::incremental_inputs_): New field.
2471         * main.cc (main): Notify Incremental_input of the command line.
2472
2473 2009-04-01  Ian Lance Taylor  <iant@google.com>
2474             Mikolaj Zalewski  <mikolajz@google.com>
2475
2476         * gold.h (reserve_unordered_map): Define, three versions, one for
2477         each version of Unordered_map.
2478         * layout.cc (Layout::Layout): Remove options parameter.  Add
2479         number_of_input_files parameter.  Don't initialize options_.
2480         Initialize number_of_input_files_ and resized_signatures_.  Move
2481         sections_are_attached_.
2482         (Layout::layout_group): Reserve space for group_signatures_.
2483         (Layout::find_or_add_kept_section): Change name parameter to be a
2484         reference.  Resize signatures_ map when it gets large enough.
2485         (Layout::layout_eh_frame): Use parameters->options() instead of
2486         this->options_.
2487         (Layout::make_output_section): Likewise.
2488         (Layout::attach_allocated_section_to_segment): Likewise.
2489         (Layout::finalize, Layout::create_executable_stack): Likewise.
2490         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
2491         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
2492         * layout.h (class Layout): Update declarations.  Remove options_
2493         field.  Add number_of_input_files_ and resized_signatures_
2494         fields.  Move sections_are_attached_ field.
2495         * main.cc (main): Pass number of input files to Layout
2496         constructor.  Don't pass options.
2497
2498 2009-03-30  Ian Lance Taylor  <iant@google.com>
2499
2500         * ffsll.c (ffsll): Correct implementation.
2501
2502 2009-03-27  Ian Lance Taylor  <iant@google.com>
2503
2504         * ffsll.c: New file.
2505         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
2506         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
2507         * ftruncate.c (ftruncate): Declare before definition.
2508         * mremap.c (mremap): Likewise.
2509         * pread.c (pread): Likewise.
2510         * configure, Makefile.in, config.in: Rebuild.
2511
2512         * mremap.c: New file.
2513         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
2514         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
2515         (mremap): Declare if HAVE_MREMAP is not defined.
2516         * configure, Makefile.in, config.in: Rebuild.
2517
2518 2009-03-27  Cary Coutant  <ccoutant@google.com>
2519
2520         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
2521         position independent.
2522         * sparc.cc (Target_sparc::check_non_pic): Likewise.
2523         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
2524
2525 2009-03-24  Cary Coutant  <ccoutant@google.com>
2526
2527         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
2528         an executable.
2529         (needs_dynamic_reloc): Likewise.
2530
2531 2009-03-24  Ian Lance Taylor  <iant@google.com>
2532
2533         * yyscript.y (file_cmd): Recognize EXTERN.
2534         (extern_name_list, extern_name_list_body): New nonterminals.
2535         * script.cc (script_add_extern): Define.
2536         * script-c.h (script_add_extern): Declare.
2537
2538 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
2539
2540         * object.cc (is_elf_object): Define.
2541         * object.h (is_elf_object): Declare.
2542         * archive.cc (Archive::get_elf_object_for_member): Call
2543         is_elf_object.
2544         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
2545
2546 2009-03-24  Elliott Hughes  <enh@google.com>
2547
2548         * output.cc (Output_file::map_anonymous): Define.
2549         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
2550         try an anonymous one.  Report the size if the mmap fails.
2551         * output.h (class Output_file): Declare map_anonymous.
2552
2553 2009-03-24  Ian Lance Taylor  <iant@google.com>
2554
2555         * target-select.cc (instantiate_target): Don't acquire the lock if
2556         the instantiated_target_ field has already been set.
2557
2558 2009-03-23  Ian Lance Taylor  <iant@google.com>
2559
2560         * gold-threads.h (class Initialize_lock): Define.
2561         * gold-threads.cc (class Initialize_lock_once): Define.
2562         (initialize_lock_control): New static variable.
2563         (initialize_lock_pointer): New static variable.
2564         (initialize_lock_once): New static function.
2565         (Initialize_lock::Initialize_lock): Define.
2566         (Initialize_lock::initialize): Define.
2567         * target-select.h: Include "gold-threads.h".
2568         (class Target_selector): Add lock_ and initialize_lock_ fields.
2569         Don't define instantiate_target, just declare it.
2570         * target-select.cc (Target_selector::Target_selector): Initialize
2571         new fields.
2572         (Target_selector::instantiate_target): Define.
2573         * descriptors.h: Include "gold-threads.h".
2574         (class Descriptors): Add initialize_lock_ field.
2575         * descriptors.cc (Descriptors::Descriptors): Initialize new
2576         field.
2577         (Descriptors::open): Use initialize_lock_ field
2578         * errors.h (class Errors): Add initialize_lock_ field.
2579         * errors.cc (Errors::Errors): Initialize new field.
2580         (Errors::initialize_lock): Use initialize_lock_ field.
2581         * powerpc.cc (class Target_selector_powerpc): Remove
2582         instantiated_target_ field.  In do_recognize call
2583         instantiate_target rather than do_instantiate_target.  In
2584         do_instantiate_target just allocate a new target.
2585         * sparc.cc (class Target_selector_sparc): Likewise.
2586
2587         * freebsd.h: New file.
2588         * i386.cc: Include "freebsd.h".
2589         (Target_i386): Derive from Target_freebsd rather than
2590         Sized_target.
2591         (Target_selector_i386): Derive from Target_selector_freebsd rather
2592         than Target_selector.
2593         * x86_64.cc: Include "freebsd.h".
2594         (Target_x86_64): Derive from Target_freebsd rather than
2595         Sized_target.
2596         (Target_selector_x86_64): Derive from Target_selector_freebsd
2597         rather than Target_selector.
2598         * target.h (class Target): Add adjust_elf_header and
2599         do_adjust_elf_header.
2600         * output.cc (Output_file_header:: do_sized_write): Call target
2601         adjust_elf_header routine.
2602         * configure.tgt: Set targ_osabi.
2603         * configure.ac: Define GOLD_DEFAULT_OSABI.
2604         * parameters.cc (Parameters::default_target): Pass
2605         GOLD_DEFAULT_OSABI to select_target.
2606         * target-select.h (class Target_selector): Make instantiate_target
2607         protected rather than private.
2608         * Makefile.am (HFILES): Add freebsd.h.
2609         * configure, Makefile.in, config.in: Rebuild.
2610
2611         * merge.cc (do_add_input_section): Correct pend value.  Change
2612         message about last entry not being null terminated from error to
2613         warning.
2614
2615 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
2616
2617         * incremental.cc: New file.
2618         * Makefile.am (CCFILES): Add incremental.cc.
2619         * Makefile.in: Rebuild.
2620
2621 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
2622
2623         * layout.cc (Layout::output_section_name): Preserve names
2624         of '.note.' sections.
2625         
2626 2009-03-19  Ian Lance Taylor  <iant@google.com>
2627
2628         * descriptors.cc (Descriptors::open): Check that the options are
2629         valid before using them.
2630
2631 2009-03-18  Ian Lance Taylor  <iant@google.com>
2632
2633         * script-sections.h: Include <list>.
2634         (class Script_sections): Change Sections_elements from std::vector
2635         to std::list.  Typedef public Elements_iterator.  Add
2636         orphan_section_placement_, data_segment_align_start_, and
2637         saw_data_segment_align_ fields.  Remove data_segment_align_index_
2638         field.
2639         * script-sections.cc (class Orphan_section_placement): New class.
2640         (class Sections_element): Add virtual functions is_relro and
2641         orphan_section_init.  Remove virtual function place_orphan_here.
2642         (class Output_section_definition): Add is_relro and
2643         orphan_section_init.  Remove place_orphan_here.
2644         (class Orphan_output_section): Likewise.
2645         (Script_sections::Script_sections): Update for field changes.
2646         (Script_sections::data_segment_align): Set saw_data_segment_align_
2647         and data_segment_align_start_, not data_segment_align_index.
2648         (Script_sections::data_segment_relro_end): Check
2649         saw_data_segment_align_.  Use data_segment_align_start_ rather
2650         than data_segment_align_index_.
2651         (Script_sections::place_orphan): Rewrite to use
2652         Orphan_section_placement.
2653
2654 2009-03-17  Ian Lance Taylor  <iant@google.com>
2655
2656         * archive.cc (Archive::add_symbols): Check for a version attached
2657         to the symbol name in the archive map.
2658         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
2659         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
2660         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
2661         (ver_test_11.a): New target.
2662         * testsuite/Makefile.in: Rebuild.
2663
2664         * configure.ac: Check for chsize and posix_fallocate.  Replace
2665         ftruncate.
2666         * ftruncate.c: New file, from gnulib.
2667         * output.cc (posix_fallocate): Define dummy version if not
2668         HAVE_POSIX_FALLOCATE.
2669         (Output_file::map): Call posix_fallocate rather than lseek and
2670         write.
2671         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
2672         * configure, Makefile.in, config.in: Rebuild.
2673
2674 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
2675         
2676         * layout.h (Layout::create_note): Add section_name parameter.
2677         * layout.cc (Layout::create_note): Likewise.
2678         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
2679         
2680 2009-03-17  Ian Lance Taylor  <iant@google.com>
2681
2682         * descriptors.cc: Include "options.h".
2683         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
2684         (Descriptors::open): Always use O_CLOEXEC when opening a new
2685         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
2686         then set FD_CLOEXEC.
2687
2688         * sparc.cc (class Target_sparc): Add has_got_section.
2689         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
2690         make sure we have a GOT section.
2691
2692         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
2693         (Target_sparc::Scan::local): Likewise.
2694         (Target_sparc::Scan::global): Likewise.
2695         (Target_sparc::Relocate::relocate): Likewise.
2696         (Target_sparc::Relocate::relocate_tls): Likewise.
2697
2698         * symtab.cc (Symbol_table::define_default_version): New function,
2699         broken out of add_from_object.
2700         (Symbol_table::add_from_object): Call define_default_version.
2701         (Symbol_table::define_special_symbol): Add resolve_oldsym
2702         parameter.  Change all callers.  If the version for a symbol comes
2703         from a version script, resolve it with the symbol with the same
2704         name with no version.  Also add the symbol without a version if
2705         appropriate.
2706         (do_define_in_output_data): If resolving with oldsym, don't delete
2707         sym.
2708         (do_define_in_output_segment): Likewise.
2709         (do_define_as_constant): Likewise.
2710         * symtab.h (class Symbol_table): Update declarations.
2711
2712 2009-03-13  Ian Lance Taylor  <iant@google.com>
2713
2714         * readsyms.cc (Read_symbols::incompatible_warning): New function.
2715         (Read_symbols::requeue): New function.
2716         (Read_symbols::do_read_symbols): If make_elf_object fails because
2717         the target type is not configured, and the file was searched for,
2718         issue a warning and retry with the next directory.
2719         (Add_symbols::run): If the file has an incompatible format, and
2720         it was searched for, requeue the Read_symbols task.  On error,
2721         release the object.
2722         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
2723         dirindex parameter to constructor.  Change all callers.  Declare
2724         incompatible_warning and requeue.
2725         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
2726         input_argument_ and input_group_ fields.  Add them to
2727         constructor.  Change all callers.
2728         (class Read_script): Add dirindex_ field.  Add it to constructor.
2729         Change all callers.
2730         * archive.cc (Archive::setup): Remove input_objects parameter.
2731         Change all callers.
2732         (Archive::get_file_and_offset): Likewise.
2733         (Archive::read_all_symbols): Likewise.
2734         (Archive::read_symbols): Likewise.
2735         (Archive::get_elf_object_for_member): Remove input_objects
2736         parameter.  Add punconfigured parameter.  Change all callers.
2737         (Archive::add_symbols): Change return type to bool.  Check return
2738         value of include_member.
2739         (Archive::include_all_members): Likewise.
2740         (Archive::include_member): Change return type to bool.  Return
2741         false if first included object has incompatible target.  Set
2742         included_member_ field.
2743         (Add_archive_symbols::run): If add_symbols returns false, requeue
2744         Read_symbols task.
2745         * archive.h (class Archive): Add included_member_ field.
2746         Initialize it in constructor.  Add input_file and searched_for
2747         methods.  Update declarations.
2748         (class Add_archive_symbols): Add dirpath_, dirindex_, and
2749         input_argument_ fields.  Add them to constructor.  Change all
2750         callers.
2751         * script.cc: Include "target-select.h".
2752         (class Parser_closure): Add skip_on_incompatible_target_ and
2753         found_incompatible_target_ fields.  Add
2754         skip_on_incompatible_target parameter to constructor.  Change all
2755         callers.  Add methods skip_on_incompatible_target,
2756         clear_skip_on_incompatible_target, found_incompatible_target, and
2757         set_found_incompatible_target.
2758         (read_input_script): Add dirindex parameter.  Change all callers.
2759         If parser finds an incompatible target, requeue Read_symbols
2760         task.
2761         (script_set_symbol): Clear skip_on_incompatible_target in
2762         closure.
2763         (script_add_assertion, script_parse_option): Likewise.
2764         (script_start_sections, script_add_phdr): Likewise.
2765         (script_check_output_format): New function.
2766         * script.h (read_input_script): Update declaration.
2767         * script-c.h (script_check_output_format): Declare.
2768         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
2769         (ignore_cmd): Remove OUTPUT_FORMAT.
2770         * fileread.cc (Input_file::Input_file): Add explicit this.
2771         (Input_file::will_search_for): New function.
2772         (Input_file::open): Add pindex parameter.  Change all callers.
2773         * fileread.h (class Input_file): Add input_file_argument method.
2774         Declare will_search_for.  Update declarations.
2775         * object.cc (make_elf_object): Add punconfigured parameter.
2776         Change all callers.
2777         * object.h (class Object): Make input_file public.  Add
2778         searched_for method.
2779         (make_elf_object): Update declaration.
2780         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
2781         restart search.
2782         * dirsearch.h (class Dirsearch): Update declaration.
2783         * options.h (class General_options): Add --warn-search-mismatch.
2784         * parameters.cc (Parameters::is_compatible_target): New function.
2785         * parameters.h (class Parameters): Declare is_compatible_target.
2786         * workqueue.cc (Workqueue::add_blocker): New function.
2787         * workqueue.h (class Workqueue): Declare add_blocker.
2788
2789         * fileread.cc (Input_file::open): Remove options parameter.
2790         Change all callers.
2791         (Input_file::open_binary): Likewise.
2792         * script.cc (read_input_script): Likewise.
2793         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
2794         options parameter from constructor.  Change all callers.
2795         (class Read_script): Likewise.
2796         * fileread.h (class Input_file): Update declarations.
2797         * script.h (read_input_script): Update declaration.
2798
2799 2009-03-10  Nick Clifton  <nickc@redhat.com>
2800
2801         * po/es.po: New Spanish translation.
2802
2803 2009-03-06  Cary Coutant  <ccoutant@google.com>
2804
2805         * options.cc (parse_short_option): Keep dash_z from registering itself.
2806
2807 2009-03-03  Ian Lance Taylor  <iant@google.com>
2808
2809         PR 9918
2810         * target-reloc.h (relocate_section): Pass output_section to
2811         relocate.
2812         * i386.cc (Target_i386::should_apply_static_reloc): Add
2813         output_section parameter.  Change all callers.
2814         (Target_i386::Relocate::relocate): Add output_section parameter.
2815         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
2816         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
2817         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
2818         * testsuite/two_file_shared.sh: New script.
2819         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
2820         (check_DATA): Add two_file_shared.dbg.
2821         (two_file_shared.dbg): New target.
2822         * testsuite/Makefile.in: Rebuild.
2823
2824 2009-03-01  Ian Lance Taylor  <iant@google.com>
2825
2826         * configure.ac: Check for byteswap.h.
2827         * configure: Rebuild.
2828         * config.in: Rebuild.
2829
2830 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
2831
2832         * layout.cc (Layout::find_or_add_kept_section): New function.
2833         (Layout::add_comdat): Removed.
2834         * layout.h (struct Kept_section): Move out of class Layout.
2835         Remove trailing underscores from field names.  Add group_sections
2836         field.  Rename group_ field to is_group.  Change all uses.
2837         (class Layout): Declare find_or_add_kept_section, not add_comdat.
2838         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
2839         comdat_groups_ field.
2840         (Sized_relobj::include_section_group): Use
2841         find_or_add_kept_section and Kept_section::group_sections.
2842         (Sized_relobj::include_linkonce_section): Likewise.
2843         * object.cc (class Sized_relobj): Don't define Comdat_group or
2844         Comdat_group_table.  Remove find_comdat_group and
2845         add_comdat_group.  Remove comdat_groups_ field.
2846         * plugin.cc (include_comdat_group): Use
2847         Layout::find_or_add_kept_section.
2848
2849 2009-02-28  Ian Lance Taylor  <iant@google.com>
2850
2851         * README: --gc-sections and map files are now supported.  Document
2852         some build requirements.
2853
2854         PR 6992
2855         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
2856         relocatable link set the value of the section symbol to zero.
2857         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
2858         relocatable link don't include the section address in the local
2859         symbol value.
2860
2861 2009-02-27  Ian Lance Taylor  <iant@google.com>
2862
2863         PR 6811
2864         * options.h (class Search_directory): Add is_system_directory.
2865         (class General_options): Declare is_in_system_directory.
2866         * options.cc (get_relative_sysroot): Make static.
2867         (get_default_sysroot): Make static.
2868         (General_optoins::is_in_system_directory): New function.
2869         * fileread.cc (Input_file::is_in_system_directory): New function.
2870         * fileread.h (class Input_file): Declare is_in_system_directory.
2871         * object.h (class Object): Add is_in_system_directory.
2872         (class Input_objects): Remove system_library_directory_ field.
2873         * object.cc (Input_objects::add_object): Don't set
2874         system_library_directory_.
2875         (input_objects::found_in_system_library_directory): Remove.
2876         * symtab.cc (Symbol_table::write_globals): Remove input_objects
2877         parameter.  Change all callers.
2878         (Symbol_table::sized_write_globals): Likewise.
2879         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
2880         Call Object::is_in_system_directory.
2881         * symtab.h (class Symbol_table): Update declarations.
2882
2883         PR 5990
2884         * descriptors.h (Open_descriptor): Add is_on_stack field.
2885         * descriptors.cc (Descriptors::open): If the descriptor is on the
2886         top of the stack, remove it.  Initialize is_on_stack field.
2887         (Descriptors::release): Only add pod to stack if it is not on the
2888         stack already.
2889         (Descriptors::close_some_descriptor): Clear stack_next and
2890         is_on_stack fields.
2891
2892         PR 7091
2893         * output.cc (Output_section::find_starting_output_address): Rename
2894         from starting_output_address; add PADDR parameter; change return
2895         type.
2896         * output.h (class Output_section): Declare
2897         find_starting_output_address instead of starting_output_address.
2898         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
2899         section symbol for which we can't find a merge section.
2900
2901         PR 9836
2902         * symtab.cc (Symbol_table::add_from_object): If the visibility is
2903         hidden or internal, force the symbol to be local.
2904         * resolve.cc (Symbol::override_visibility): Define.
2905         (Symbol::override_base): Use override_visibility.
2906         (Symbol_table::resolve): Likewise.
2907         (Symbol::override_base_with_special): Likewise.
2908         (Symbol_table::override_with_special): If the visibility is hidden
2909         or internal, force the symbol to be local.
2910         * symtab.h (class Symbol): Add set_visibility and
2911         override_visibility.
2912         * testsuite/ver_test_1.sh: New file.
2913         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
2914         (check_DATA): Add ver_test_1.syms.
2915         (ver_test_1.syms): New target.
2916         * testsuite/Makefile.in: Rebuild.
2917
2918 2009-02-25  Cary Coutant  <ccoutant@google.com>
2919
2920         * layout.cc (Layout::choose_output_section): Don't rename sections
2921         when using a linker script that has a SECTIONS clause.
2922         * Makefile.in: Regenerate.
2923
2924         * testsuite/Makefile.am (script_test_5.sh): New test case.
2925         * testsuite/Makefile.in: Regenerate.
2926         * testsuite/script_test_5.cc: New file.
2927         * testsuite/script_test_5.sh: New file.
2928         * testsuite/script_test_5.t: New file.
2929
2930 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
2931
2932         * archive.cc (Archive::include_member): Update calls to add_symbols.
2933         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
2934         the Layout argument.
2935         * dynobj.h (do_add_symbols): Add the Layout argument.
2936         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
2937         Layout argument.
2938         * object.h (Object::add_symbols): Add the Layout argument.
2939         (Object::do_add_symbols): Add the Layout argument.
2940         (Sized_relobj::do_add_symbols): Add the Layout argument.
2941         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
2942         Unify the two versions.
2943         (Add_plugin_symbols): Remove.
2944         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
2945         (Sized_pluginobj::do_add_symbols): Unify the two versions.
2946         (Add_plugin_symbols): Remove.
2947         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
2948         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
2949         (Add_symbols::run): Make it work with Pulginobj.
2950
2951 2009-02-06  Ian Lance Taylor  <iant@google.com>
2952
2953         * object.cc (Sized_relobj::do_layout): Make info message start
2954         with lower case letter.
2955
2956 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
2957
2958         * binary.cc: Fix file comment.
2959
2960         * options.h (enum Incremental_disposition): Define.
2961         (class General_options): Add new options: --incremental,
2962         --incremental_changed, --incremental_unchanged,
2963         --incremental_unknown.  Add incremental_disposition_ and
2964         implicit_incremental_ fields.
2965         (General_options::incremental_disposition): New function.
2966         (class Position_dependent_options): Add incremental_disposition
2967         option.
2968         (Position_dependent_options::copy_from_options): Set incremental
2969         dispositions.
2970         * options.cc (General_options::parse_incremental_changed): New
2971         function.
2972         (General_options::parse_incremental_unchanged): New function.
2973         (General_options::parse_incremental_unknown): New function.
2974         (General_options::General_options): Initialize new fields
2975         incremental_disposition_ and implicit_incremental_.
2976         (General_options::finalize): Check for uasge of --incremental-*
2977         without --incremental.
2978
2979 2009-02-06  Chris Demetriou  <cgd@google.com>
2980
2981         * gold.h (gold_undefined_symbol): Change to take only a Symbol
2982         pointer and to report location as the file name associated with
2983         the symbol.
2984         (gold_undefined_symbol_at_location): New function to replace the
2985         old gold_undefined_symbol functionality.
2986         * target-reloc.h (relocate_section): Update to use
2987         gold_undefined_symbol_at_location.
2988         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
2989         Call gold_undefined_symbol function rather than gold_error.
2990         * errors.h (Errors::undefined_symbol): Take location as a
2991         string, rather than calculating it from a relocation.
2992         * errors.cc (Errors::fatal): Print "fatal error:" before the
2993         formatted message.
2994         (Errors::error, Errors::error_at_location): Print "error: "
2995         before the formatted message.
2996         (Errors::undefined_symbol): Take location as a string, rather
2997         than calculating it from a relocation.
2998         (gold_undefined_symbol_at_location): New function akin to
2999         old gold_undefined_symbol, calculates location from relocation.
3000         (gold_undefined_symbol): Change to take only a Symbol pointer
3001         and to report location as the file name associated with the symbol.
3002         * testsuite/debug_msg.sh: Update for changed error messages.
3003         * testsuite/undef_symbol.sh: Likewise.
3004
3005 2009-02-04  Duncan Sands  <baldrick@free.fr>
3006
3007         PR 9812
3008         * reduced_debug_output.h
3009         (Output_reduced_debug_abbrev_section::failed): Use format for
3010         gold_warning.
3011         (Output_reduced_debug_info_section::faild): Likewise.
3012
3013 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
3014
3015         * script.cc (Lazy_demangler): New class.
3016         (Version_script_info::get_symbol_version_helper): Demangle a
3017         symbol only once.
3018
3019 2009-01-29  Cary Coutant  <ccoutant@google.com>
3020
3021         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
3022         to __tls_get_addr.
3023         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
3024
3025 2009-01-28  Ian Lance Taylor  <iant@google.com>
3026
3027         * version.cc (version_string): Bump to 1.9.
3028
3029         * gold.h: Include <cstring> and <stdint.h>.
3030         * version.cc: Include <cstdio>.
3031         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
3032         warning.
3033         * reduced_debug_output.cc (insert_into_vector): Rename from
3034         Insert_into_vector; change all callers.  Use Swap_unaligned to
3035         avoid aliasing issue; remove union since it is unnecessary.
3036
3037 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
3038
3039         * Makefile.am (CCFILES): Add gc.cc.
3040         (HFILES): Add gc.h.
3041         * Makefile.in: Regenerate.
3042         * gold.cc (Gc_runner): New class.
3043         (queue_initial_tasks): Call garbage collection related tasks
3044         when corresponding options are invoked.
3045         (queue_middle_gc_tasks): New function.
3046         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
3047         processed early before laying out sections during garbage collection.
3048         * gold.h (queue_middle_gc_tasks): New function.
3049         (is_prefix_of): Move from "layout.cc".
3050         * i386.cc (Target_i386::gc_process_relocs): New function.
3051         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
3052         * main.cc (main): Create object of class "Garbage_collection".
3053         * object.cc (Relobj::copy_symbols_data): New function.
3054         (Relobj::is_section_name_included): New function.
3055         (Sized_relobj::do_layout): Allow this function to be called twice 
3056         during garbage collection and defer layout of section during the 
3057         first call.
3058         * object.h (Relobj::get_symbols_data): New function.
3059         (Relobj::is_section_name_included): New function.
3060         (Relobj::copy_symbols_data): New function.
3061         (Relobj::set_symbols_data): New function.
3062         (Relobj::get_relocs_data): New function.
3063         (Relobj::set_relocs_data): New function.
3064         (Relobj::is_output_section_offset_invalid): New pure virtual function.
3065         (Relobj::gc_process_relocs): New function.
3066         (Relobj::do_gc_process_relocs): New pure virtual function.
3067         (Relobj::sd_): New data member.
3068         (Sized_relobj::is_output_section_offset_invalid): New function.
3069         (Sized_relobj::do_gc_process_relocs): New function.
3070         * options.h (General_options::gc_sections): Modify to not be a no-op.
3071         (General_options::print_gc_sections): New option.
3072         * plugin.cc (Plugin_finish::run): Remove function call to
3073         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
3074         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
3075         * reloc.cc (Read_relocs::run): Add task to process relocs and
3076         determine unreferenced sections when doing garbage collection.
3077         (Gc_process_relocs): New class.
3078         (Sized_relobj::do_gc_process_relocs): New function.
3079         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
3080         sections that are garbage collected.
3081         * reloc.h (Gc_process_relocs): New class.
3082         * sparc.cc (Target_sparc::gc_process_relocs): New function.
3083         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
3084         symbols whose corresponding sections are garbage collected.
3085         (Symbol_table::Symbol_table): Add new parameter for the garbage
3086         collection object.
3087         (Symbol_table::gc_mark_undef_symbols): New function.
3088         (Symbol_table::gc_mark_symbol_for_shlib): New function.
3089         (Symbol_table::gc_mark_dyn_syms): New function.
3090         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
3091         as garbage.
3092         (Symbol_table::add_from_object): Likewise.
3093         (Symbol_table::add_from_relobj): When building shared objects, do not
3094         treat externally visible symbols as garbage.
3095         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
3096         table information for static and relocatable links.
3097         * symtab.h (Symbol_table::set_gc): New function.
3098         (Symbol_table::gc): New function.
3099         (Symbol_table::gc_mark_undef_symbols): New function.
3100         (Symbol_table::gc_mark_symbol_for_shlib): New function.
3101         (Symbol_table::gc_mark_dyn_syms): New function.
3102         (Symbol_table::gc_): New data member.
3103         * target.h (Sized_target::gc_process_relocs): New pure virtual 
3104         function.
3105         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
3106         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
3107
3108 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
3109
3110         * options.h (General_options::gc_sections): Define as a no-op for now.
3111         (General_options::no_keep_memory): Ditto.
3112         (General_options::Bshareable): Define.
3113         * options.cc (General_options::finalize): Honor -Bshareable.
3114
3115 2009-01-20  Andreas Schwab  <schwab@suse.de>
3116
3117         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
3118         read the value in the contents, since we don't use it.  Use the
3119         template endianness when writing.
3120         (Relocate::relocate): Use it for R_PPC_REL16_HA.
3121
3122 2009-01-19  Andreas Schwab  <schwab@suse.de>
3123
3124         * configure.tgt (powerpc64-*): Fix targ_obj.
3125
3126 2009-01-15  Ian Lance Taylor  <iant@google.com>
3127
3128         * object.cc (Sized_relobj::write_local_symbols): Don't write out
3129         local symbols when stripping all symbols.
3130
3131 2009-01-14  Cary Coutant  <ccoutant@google.com>
3132
3133         * output.cc (Output_reloc): Add explicit instantiations.
3134
3135 2009-01-14  Cary Coutant  <ccoutant@google.com>
3136
3137         * archive.cc (Archive::get_elf_object_for_member): Remove call
3138         to File_read::claim_for_plugin.
3139         * descriptors.cc (Descriptors::open): Remove reference to
3140         is_claimed.
3141         (Descriptors::claim_for_plugin): Remove.
3142         * descriptors.h (Descriptors::claim_for_plugin): Remove.
3143         (Descriptors::is_claimed): Remove.
3144         (claim_descriptor_for_plugin): Remove.
3145         * fileread.cc (File_read::claim_for_plugin): Remove.
3146         * fileread.h (File_read::claim_for_plugin): Remove.
3147         (File_read::descriptor): Reopen descriptor if necessary.
3148         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
3149         (Plugin_manager::all_symbols_read): Add task parameter. Change
3150         all callers.
3151         (Plugin_manager::get_input_file): New function.
3152         (Plugin_manager::release_input_file): New function.
3153         (Pluginobj::Pluginobj): Add filesize parameter and initialize
3154         corresponding data member.
3155         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
3156         and pass to base constructor. Change all callers.
3157         (get_input_file, release_input_file): New functions.
3158         (make_sized_plugin_object): Add filesize parameter. Change all callers.
3159         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
3160         (Plugin_manager::all_symbols_read): Add task parameter.
3161         (Plugin_manager::get_input_file): New function.
3162         (Plugin_manager::release_input_file): New function.
3163         (Plugin_manager::task_): New data member.
3164         (Pluginobj::Pluginobj): Add filesize parameter.
3165         (Pluginobj::filename): New function.
3166         (Pluginobj::descriptor): New function.
3167         (Pluginobj::filesize): New function.
3168         (Pluginobj::filesize_): New data member.
3169         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
3170         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
3171         File_read::claim_for_plugin; use Object::unlock to unlock the file.
3172
3173         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
3174         with archive libraries.
3175         * testsuite/Makefile.in: Regenerate.
3176         * testsuite/plugin_test.c (struct sym_info): New type.
3177         (get_input_file, release_input_file): New static variables.
3178         (onload): Capture new transfer vector entries.
3179         (claim_file_hook): Stop reading at end of file according to filesize.
3180         Factor out parsing of readelf output into separate function.
3181         (all_symbols_read_hook): Exercise get_input_file and release_input_file
3182         APIs and get the source file name from the symbol table.  Convert
3183         source file name to corresponding object file name.  Print info
3184         message when adding new input files.
3185         (parse_readelf_line): New function.
3186         * testsuite/plugin_test_1.sh: Add checks for new info messages.
3187         * testsuite/plugin_test_2.sh: Likewise.
3188         * testsuite/plugin_test_3.sh: Likewise.
3189         * testsuite/plugin_test_4.sh: New test case.
3190
3191 2009-01-07  Ian Lance Taylor  <iant@google.com>
3192
3193         * version.cc (version_string): Bump to 1.8.
3194
3195 2008-12-23  Cary Coutant  <ccoutant@google.com>
3196
3197         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
3198         * plugin.cc (Plugin_manager::finish): Rename as
3199         layout_deferred_objects.  Move cleanup to separate function.
3200         (Plugin_manager::cleanup): New function.
3201         (Plugin_finish::run): Call layout_deferred_objects and cleanup
3202         separately.
3203         * plugin.h (Plugin_manager::finish): Rename as
3204         layout_deferred_objects.
3205         (Plugin_manager::cleanup): New function.
3206         (Plugin_manager::cleanup_done): New field.
3207
3208 2008-12-23  Cary Coutant  <ccoutant@google.com>
3209
3210         * plugin.cc (is_visible_from_outside): New function.
3211         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
3212         so we don't return "IR only" status for exported symbols or -r links.
3213
3214         * testsuite/Makefile.am (plugin_test_3): New test case.
3215         * testsuite/Makefile.in: Regenerate.
3216         * testsuite/plugin_test_3.sh: New file.
3217
3218 2008-12-22  Cary Coutant  <ccoutant@google.com>
3219
3220         * object.cc (Sized_relobj::layout_section): New function.
3221         (Sized_relobj::do_layout): Defer layout of input sections until after
3222         plugin has provided replacement files.
3223         (Sized_relobj::do_layout_deferred_sections): New function.
3224         * object.h (Relobj::set_section_offset): Remove virtual keyword.
3225         (Relobj::layout_deferred_sections): New function.
3226         (Relobj::do_layout_deferred_sections): New function.
3227         (Sized_relobj::do_layout_deferred_sections): New function.
3228         (Sized_relobj::layout_section): New function.
3229         (Sized_relobj::Deferred_layout): New structure.
3230         (Sized_relobj::deferred_layout_): New field.
3231         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
3232         Change all callers.  Layout deferred sections.
3233         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
3234         references.
3235         (Plugin_hook::run): Move code from do_plugin_hook inline.
3236         (Plugin_hook::do_plugin_hook): Remove.
3237         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
3238         (Plugin_manager::finish): Renamed, was cleanup.
3239         (Plugin_manager::should_defer_layout): New function.
3240         (Plugin_manager::add_deferred_layout_object): New function.
3241         (Plugin_manager::Deferred_layout_list): New type.
3242         (Plugin_manager::deferred_layout_objects_): New field.
3243         (Plugin_hook::do_plugin_hook): Remove.
3244
3245 2008-12-17  Ian Lance Taylor  <iant@google.com>
3246
3247         * options.h (class General_options): Add --no case for
3248         --export-dynamic.
3249
3250 2008-12-16  Cary Coutant  <ccoutant@google.com>
3251
3252         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
3253         vector.
3254         (Plugin_manager::claim_file): Create plugin object even if
3255         plugin did not call the add_symbols callback.
3256         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
3257         asking for more symbols than were added.
3258         * testsuite/Makefile.am (plugin_test_1): Add test case with
3259         no global symbols.
3260         (empty.syms): New target.
3261         * testsuite/Makefile.in: Regenerate.
3262         * testsuite/plugin_test.c (claim_file_hook): Add new debug
3263         message. Don't call add_symbols if no globals.
3264         (all_symbols_read_hook): Don't provide replacement for empty
3265         claimed file.
3266
3267 2008-12-12  Ian Lance Taylor  <iant@google.com>
3268
3269         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
3270         r_type == 0 for a local symbol with r_sym == 0.
3271         (scan_relocatable_relocs): Pass r_sym to
3272         local_non_section_strategy.
3273         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
3274         r_sym parameter.
3275
3276         * configure.ac: Update test for TLS descriptors: they are
3277         supported as of glibc 2.9.
3278         * configure: Rebuild.
3279
3280 2008-12-11  Ian Lance Taylor  <iant@google.com>
3281
3282         PR 7091
3283         * target-reloc.h (Default_scan_relocatable_relocs): For each
3284         function, map r_type == 0 to RELOC_DISCARD.
3285
3286 2008-12-10  Cary Coutant  <ccoutant@google.com>
3287
3288         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
3289         object to override a kept COMDAT group from a plugin object.
3290
3291 2008-12-09  Ian Lance Taylor  <iant@google.com>
3292
3293         PR 7088
3294         * yyscript.y (file_cmd): Handle INPUT.
3295
3296         * testsuite/initpri1.c: Change all declarations to be full
3297         prototypes by adding void, to avoid compiler warnings.
3298
3299 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
3300
3301         * options.cc (General_options::parse_plugin_opt): New.
3302         (General_options::add_plugin): The argument now is just the filename.
3303         (General_options::add_plugin_option): New.
3304         * options.h (plugin_opt): New.
3305         (add_plugin): Change argument name.
3306         (add_plugin_option): New.
3307         * plugin.cc (Plugin::load): Don't parse the plugin option.
3308         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
3309         (Plugin::add_option): New.
3310         (Plugin::args_): Change type.
3311         (Plugin::filename_): New.
3312         (Plugin_manager::add_plugin_option): New.
3313         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
3314         * testsuite/Makefile.in: Regenerate.
3315
3316 2008-12-05  Cary Coutant  <ccoutant@google.com>
3317
3318         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
3319         Handle --strip-lto-sections option.
3320         * options.h (strip_lto_sections): New option.
3321
3322 2008-12-01  Cary Coutant  <ccoutant@google.com>
3323
3324         * plugin.cc (ld_plugin_message): Change format parameter to const.
3325         Fix mismatch between new[] and delete.
3326
3327 2008-11-14  Cary Coutant  <ccoutant@google.com>
3328
3329         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
3330         instead of -1U.
3331
3332 2008-11-05  Craig Silverstein  <csilvers@google.com>
3333
3334         * options.cc (General_options::parse_dynamic_list): New function.
3335         * options.h (General_options): New flags dynamic_list,
3336         dynamic_list_data, dynamic_list_cpp_new, and
3337         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
3338         (General_options::in_dynamic_list): New function.
3339         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
3340         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
3341         (Lex::can_continue_name): Likewise.
3342         (yylex): Likewise.
3343         (read_script_file): New parameter script_options.
3344         (read_dynamic_list): New function.
3345         (Script_options::define_dynamic_list): New function.
3346         (dynamic_list_keyword_parsecodes): New variable.
3347         (dynamic_list_keywords): New variable.
3348         * script.h (Script_options::define_dynamic_list): New function
3349         prototype.
3350         (read_dynamic_list): New function prototype.
3351         * symtab.cc (strprefix): New macro.
3352         (Symbol::should_add_dynsym_entry): Support dynamic_list,
3353         dynamic_list_data, dynamic_list_cpp_new, and
3354         dynamic_list_cpp_typeinfo.
3355         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
3356         (dynamic_list_expr): New rule.
3357         (dynamic_list_nodes): Likewise.
3358         (dynamic_list_node): Likewise.
3359         * testsuite/Makefile.am (dynamic_list): New test.
3360         * testsuite/Makefile.in: Regenerated.
3361         * testsuite/dynamic_list.t: New file.
3362         * testsuite/dynamic_list.sh: New file.
3363
3364 2008-11-05  Craig Silverstein  <csilvers@google.com>
3365
3366         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
3367         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
3368         (t11_last): Likewise.
3369         * testsuite/ver_test_6.c (main): Likewise.
3370
3371 2008-10-07  Cary Coutant  <ccoutant@google.com>
3372
3373         * options.c (General_options::finalize): Add check for -static and
3374         -shared.
3375         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
3376         is not empty.
3377
3378 2008-10-02  Cary Coutant  <ccoutant@google.com>
3379
3380         * plugin.cc (make_sized_plugin_object): Fix conditional
3381         compilation to work when not all targets are enabled.
3382
3383 2008-09-29  Cary Coutant  <ccoutant@google.com>
3384
3385         * archive.cc (Archive::get_file_and_offset): Use filename instead
3386         of name to get library path.
3387         (Archive::include_member): Unlock external member of a thin archive.
3388
3389         * testsuite/Makefile.am (TEST_AR): New variable.
3390         (thin_archive_test_1): New test.
3391         (thin_archive_test_2): New test.
3392         * testsuite/Makefile.in: Regenerate.
3393         * testsuite/thin_archive_main.cc: New file.
3394         * testsuite/thin_archive_test_1.cc: New file.
3395         * testsuite/thin_archive_test_2.cc: New file.
3396         * testsuite/thin_archive_test_3.cc: New file.
3397         * testsuite/thin_archive_test_4.cc: New file.
3398
3399 2008-09-29  Cary Coutant  <ccoutant@google.com>
3400
3401         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
3402         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
3403         instead of -1U.
3404         (Sized_relobj::do_finalize_local_symbols): Likewise.
3405         (Sized_relobj::map_to_kept_section): Likewise.
3406         * object.h (Sized_relobj::invalid_address): New constant.
3407         (Sized_relobj::do_output_section_offset): Check for invalid_address
3408         and return -1ULL.
3409         * output.cc (Output_reloc::local_section_offset): Use constant
3410         invalid_address instead of -1U.
3411         (Output_reloc::get_address): Likewise.
3412         (Output_section::output_address): Change -1U to -1ULL.
3413         * output.h (Output_reloc::invalid_address): New constant.
3414         * reloc.cc (Sized_relobj::write_sections): Use constant
3415         invalid_address instead of -1U.
3416         (Sized_relobj::relocate_sections): Likewise.
3417         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
3418         values for merge sections.
3419         * target-reloc.h (relocate_for_relocatable): Use constant
3420         invalid_address instead of -1U.
3421
3422 2008-09-19  Cary Coutant  <ccoutant@google.com>
3423
3424         Add plugin functionality for link-time optimization (LTO).
3425         * configure.ac (plugins): Add --enable-plugins option.
3426         * configure: Regenerate.
3427         * config.in: Regenerate.
3428         * Makefile.am (LIBDL): New variable.
3429         (CCFILES): Add plugin.cc.
3430         (HFILES): Add plugin.h.
3431         (ldadd_var): Add LIBDL.
3432         * Makefile.in: Regenerate.
3433
3434         * archive.cc: Include "plugin.h".
3435         (Archive::setup): Don't preread archive symbols when using a plugin.
3436         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
3437         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
3438         files.
3439         (Archive::include_member): Add symbols from plugin objects.
3440         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
3441         * descriptors.cc (Descriptors::open): Check for file descriptors
3442         abandoned by plugins.
3443         (Descriptors::claim_for_plugin): New function.
3444         * descriptors.h (Descriptors::claim_for_plugin): New function.
3445         (Open_descriptor::is_claimed): New field.
3446         (claim_descriptor_for_plugin): New function.
3447         * fileread.cc (File_read::claim_for_plugin): New function.
3448         * fileread.h (File_read::claim_for_plugin): New function.
3449         (File_read::descriptor): New function.
3450         * gold.cc: Include "plugin.h".
3451         (queue_initial_tasks): Add task to call plugin hooks for generating
3452         new object files.
3453         * main.cc: Include "plugin.h".
3454         (main): Load plugin libraries.
3455         * object.h (Pluginobj): Declare.
3456         (Object::pluginobj): New function.
3457         (Object::do_pluginobj): New function.
3458         (Object::set_target): New function.
3459         * options.cc: Include "plugin.h".
3460         (General_options::parse_plugin): New function.
3461         (General_options::General_options): Initialize plugins_ field.
3462         (General_options::add_plugin): New function.
3463         * options.h (Plugin_manager): Declare.
3464         (General_options): Add --plugin option.
3465         (General_options::has_plugins): New function.
3466         (General_options::plugins): New function.
3467         (General_options::add_plugin): New function.
3468         (General_options::plugins_): New field.
3469         * plugin.cc: New file.
3470         * plugin.h: New file.
3471         * readsyms.cc: Include "plugin.h".
3472         (Read_symbols::do_read_symbols): Check for archive before checking
3473         for ELF file.  Call plugin hooks to claim files.
3474         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
3475         from a real object file; force override when processing replacement
3476         files.
3477         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
3478         (Symbol::init_base_object): Likewise.
3479         (Symbol::init_base_output_data): Likewise.
3480         (Symbol::init_base_output_segment): Likewise.
3481         (Symbol::init_base_constant): Likewise.
3482         (Symbol::init_base_undefined): Likewise.
3483         (Symbol::output_section): Assert that object is not a plugin.
3484         (Symbol_table::add_from_pluginobj): New function.
3485         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
3486         undefined.
3487         (Symbol_table::sized_write_globals): Likewise.
3488         (Symbol_table::add_from_pluginobj): Instantiate template.
3489         * symtab.h (Sized_pluginobj): Declare.
3490         (Symbol::in_real_elf): New function.
3491         (Symbol::set_in_real_elf): New function.
3492         (Symbol::in_real_elf_): New field.
3493         (Symbol_table::add_from_pluginobj): New function.
3494
3495         * testsuite/Makefile.am (AM_CFLAGS): New variable.
3496         (LIBDL): New variable.
3497         (LDADD): Add LIBDL.
3498         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
3499         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
3500         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
3501         (MOSTLYCLEANFILES): Likewise.
3502         * testsuite/Makefile.in: Regenerate.
3503         * testsuite/plugin_test.c: New file.
3504         * testsuite/plugin_test_1.sh: New file.
3505         * testsuite/plugin_test_2.sh: New file.
3506
3507 2008-09-16  Ian Lance Taylor  <iant@google.com>
3508
3509         * target-reloc.h (relocate_section): Check whether a symbol is
3510         defined by the ABI before reporting an undefined symbol error.
3511         * target.h (Target::is_defined_by_abi): Make parameter const.
3512         (Target::do_is_defined_by_abi): Likewise.
3513         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
3514         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
3515         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
3516         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
3517         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
3518         * testsuite/Makefile.in: Rebuild.
3519
3520         * fileread.cc (make_view): Add casts to avoid warning.
3521
3522 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
3523
3524         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
3525         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
3526
3527 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
3528
3529         * options.h (General_options::output_is_executable): New.
3530         (General_options::output_is_pie): New.
3531         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
3532         for shared libraries.
3533         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
3534
3535 2008-09-11  Chris Demetriou  <cgd@google.com>
3536
3537         * options.h (origin): New -z option.
3538         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
3539         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
3540         in DT_FLAGS_1.
3541
3542 2008-09-05  Cary Coutant  <ccoutant@google.com>
3543
3544         * fileread.cc (File_read::make_view): Add check for attempt to map
3545         beyond end of file.
3546
3547 2008-09-05  Cary Coutant  <ccoutant@google.com>
3548
3549         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
3550         explicit instantiations.
3551
3552 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
3553
3554         PR gold/6858
3555         * options.cc (General_options::finalize): Allow undefined symbols
3556         in shlibs if linking -shared.
3557
3558         PR gold/6859
3559         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
3560         symbols as not needing a dynsym entry.
3561
3562 2008-08-20  Craig Silverstein  <csilvers@google.com>
3563
3564         * fileread.cc (File_read::open): Do not lock the file unless it
3565         was successfully opened.
3566
3567 2008-08-14  Cary Coutant  <ccoutant@google.com>
3568
3569         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
3570         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
3571         * testsuite/tls_test.cc (struct int128): 128-bit struct
3572         for testing TLS relocs with non-zero addend.
3573         (v12): New TLS variable.
3574         (t12): New test.
3575         (t_last): Add check for v12.
3576         * testsuite/tls_test.h (t12): New function.
3577         * testsuite/tls_test_main.cc (thread_routine): Call new test.
3578
3579 2008-08-13  Ian Lance Taylor  <iant@google.com>
3580
3581         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
3582         set tls_segment_ or relro_segment_.
3583         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
3584         when appropriate.
3585         * output.h (Output_section::clear_is_relro): New function.
3586         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
3587         sections specially even when output_data_ is empty.
3588         (Output_segment::maximum_alignment): When first section is relro,
3589         only force alignment for PT_LOAD segments.
3590         * script.cc (script_data_segment_align): New function.
3591         (script_data_segment_relro_end): New function.
3592         * script-c.h (script_data_segment_align): Declare.
3593         (script_data_segment_relro_end): Declare.
3594         * script-sections.h (class Script_sections): Declare
3595         data_segment_align and data_segment_relro_end.  Add fields
3596         segment_align_index_ and saw_relro_end_.
3597         * script-sections.cc (class Sections_element): Add set_is_relro
3598         virtual function.  Add new bool* parameter to place_orphan_here.
3599         Add get_output_section virtual function.
3600         (class Output_section_definition): Add set_is_relro.  Add new
3601         bool* parameter to place_orphan_here.  Add get_output_section.
3602         Add is_relro_ field.
3603         (Output_section_definition::Output_section_definition): Initialize
3604         evaluated_address_, evaluated_load_address, evaluated_addralign_,
3605         and is_relro_ fields.
3606         (Output_section_definition::place_orphan_here): Add is_relro
3607         parameter.
3608         (Output_section_definition::set_section_addresses): Set relro for
3609         output section.
3610         (Output_section_definition::alternate_constraint): Likewise.
3611         (class Orphan_output_section): Add new bool* parameter to
3612         place_orphan_here.  Add get_output_section.
3613         (Orphan_output_section::place_orphan_here): Add is_relro
3614         parameter.
3615         (Script_sections::Script_sections): Initialize
3616         data_segment_align_index_ and saw_relro_end_.
3617         (Script_sections::data_segment_align): New function.
3618         (Script_sections::data_segment_relro_end): New function.
3619         (Script_sections::place_orphan): Set or clear is_relro.
3620         (Script_sections::set_section_addresses): Force alignment of first
3621         TLS section.
3622         * yyscript.y (exp): Call script_data_segment_align and
3623         script_data_segment_relro_end.
3624         * testsuite/relro_script_test.t: New file.
3625         * testsuite/relro_test.cc (using_script): Declare.
3626         (t1, t2): Test using_script.
3627         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
3628         (relro_script_test_SOURCES): Define.
3629         (relro_script_test_DEPENDENCIES): Define.
3630         (relro_script_test_LDFLAGS): Define.
3631         (relro_script_test_LDADD): Define.
3632         (relro_script_test.so): New target.
3633         * testsuite/Makefile.in: Rebuild.
3634
3635 2008-08-06  Cary Coutant <ccoutant@google.com>
3636
3637         * archive.cc (Archive::total_archives, Archive::total_members)
3638         (Archive::total_members_loaded): New variables.
3639         (Archive::setup): Add parameter.  Add option to preread
3640         archive symbols.
3641         (Archive::read_armap): Add counter.
3642         (Archive::get_file_and_offset): New function.
3643         (Archive::get_elf_object_for_member): New function.
3644         (Archive::read_all_symbols): New function.
3645         (Archive::read_symbols): New function.
3646         (Archive::add_symbols): Add counters.
3647         (Archive::include_all_members): Use armap to find members if it's
3648         already built.
3649         (Archive::include_member): Skip reading symbols if already read.
3650         Factored code into Archive::get_file_and_offset and
3651         Archive::get_elf_object_for_member.  Changed call to
3652         Mapfile::report_include_archive_member.
3653         (Archive::print_stats): New function.
3654         * archive.h: Declare Object and Read_symbols_data classes.
3655         (Archive::Archive): Add initializers for new members.
3656         (Archive::setup): Add parameter.
3657         (Archive::print_stats): New function.
3658         (Archive::total_archives, Archive::total_members)
3659         (Archive::total_members_loaded): New variables.
3660         (Archive::get_file_and_offset): New function.
3661         (Archive::get_elf_object_for_member): New function.
3662         (Archive::read_all_symbols): New function.
3663         (Archive::read_symbols): New function.
3664         (Archive::Archive_member): New class.
3665         (Archive::members_): New member.
3666         (Archive::num_members_): New member.
3667         * main.cc: Include archive.h.
3668         (main): Call Archive::print_stats.
3669         * mapfile.cc (Mapfile::report_include_archive_member): Delete
3670         archive parameter; member_name is now the fully-decorated name.
3671         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
3672         * options.h: (General_options): Add --preread-archive-symbols option.
3673         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
3674         Archive::setup.
3675
3676 2008-08-04  Ian Lance Taylor  <iant@google.com>
3677
3678         * symtab.h (Symbol::use_plt_offset): New function.
3679         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
3680         * powerpc.cc (Relocate::relocate): Likewise.
3681         * sparc.cc (Relocate::relocate): Likewise.
3682         * x86_64.cc (Relocate::relocate): Likewise.
3683         * testsuite/weak_plt.sh: New test.
3684         * testsuite/weak_plt_main.cc: New test.
3685         * testsuite/weak_plt_shared.cc: New test.
3686         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
3687         (check_PROGRAMS): Add weak_plt.
3688         (check_DATA): Add weak_plt_shared.so.
3689         (weak_plt_main_pic.o, weak_plt): New targets.
3690         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
3691         * testsuite/Makefile.in: Rebuild.
3692
3693         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
3694         gcctestdir/ld.
3695         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
3696         * testsuite/Makefile.in: Rebuild.
3697
3698 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
3699
3700         * Makefile.am (POTFILES.in): Set LC_ALL=C.
3701         * Makefile.in: Regenerate.
3702         * po/POTFILES.in: Regenerate.
3703
3704 2008-07-29  Ian Lance Taylor  <iant@google.com>
3705
3706         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
3707         symbols before other symbols.
3708         * testsuite/script_test_2.cc (test_addr): Declare.
3709         (test_addr_alias): Declare.
3710         (main): Check that test_addr and test_addr_alias have the right
3711         values.
3712         * testsuite/script_test_2.t: Define test_addr_alias and
3713         test_addr.
3714
3715 2008-07-24  Ian Lance Taylor  <iant@google.com>
3716
3717         PR 5990
3718         * descriptors.cc: New file.
3719         * descriptors.h: New file.
3720         * gold-threads.h (class Hold_optional_lock): New class.
3721         * fileread.cc: Include "descriptors.h".
3722         (File_read::~File_read): Release descriptor rather than closing
3723         it.
3724         (File_read::open) [file]: Call open_descriptor rather than open.
3725         Set is_descriptor_opened_.
3726         (File_read::open) [memory]: Assert that descriptor is not open.
3727         (File_read::reopen_descriptor): New function.
3728         (File_read::release): Release descriptor.
3729         (File_read::do_read): Make non-const.  Reopen descriptor.
3730         (File_read::read): Make non-const.
3731         (File_read::make_view): Reopen descriptor.
3732         (File_read::do_readv): Likewise.
3733         * fileread.h (class File_read): Add is_descriptor_opened_ field.
3734         Update declarations.
3735         * layout.cc: Include "descriptors.h".
3736         (Layout::create_build_id): Use open_descriptor rather than open.
3737         * output.cc: Include "descriptors.h".
3738         (Output_file::open): Use open_descriptor rather than open.
3739         * archive.cc (Archive::const_iterator): Change Archive to be
3740         non-const.
3741         (Archive::begin, Archive::end): Make non-const.
3742         (Archive::count_members): Likewise.
3743         * archive.h (class Archive): Update declarations.
3744         * object.h (Object::read): Make non-const.
3745         * Makefile.am (CCFILES): Add descriptors.cc.
3746         (HFILES): Add descriptors.h.
3747         * Makefile.in: Rebuild.
3748
3749         PR 6716
3750         * gold.h: Always include <clocale>.  Add Solaris workarounds
3751         following code in binutils/sysdep.h.
3752
3753         PR 6048
3754         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
3755         this->eh_frame_hdr_ is NULL before using it.
3756
3757         * dynobj.cc (Versions::Versions): Update comment.
3758
3759         * dynobj.cc (Versions::Versions): If there is an soname, use it as
3760         the base version name.
3761
3762         * stringpool.cc (Stringpool_template::add_with_length): Set key to
3763         array size plus one.
3764         (Stringpool_template::set_string_offsets): Subtract one from key
3765         before using it as an array index.
3766         (Stringpool_template::get_offset_with_length): Likewise.
3767         (Stringpool_template::write_to_buffer): Likewise.
3768         * stringpool.h (Stringpool_template::get_offset_from_key):
3769         Likewise.
3770
3771 2008-07-23  Ian Lance Taylor  <iant@google.com>
3772
3773         PR 6658
3774         * object.h (Merged_symbol_value::value): Do our best to handle a
3775         negative addend.
3776
3777         PR 6647
3778         * script.cc (Version_script_info::get_versions): Don't add empty
3779         version tag to return value.
3780         (Version_script_info::get_symbol_version_helper): Change return
3781         type to bool.  Add pversion parameter.  Change all callers.
3782         (script_register_vers_node): Don't require a non-NULL tag.
3783         * script.h (class Version_script_info): Update declarations.
3784         (Version_script_info::get_symbol_version): Change return type to
3785         bool.  Add version parameter.  Change all callers.
3786         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
3787         handling.  Handle an empty version from a version script.
3788         (Symbol_table::define_special_symbol): Likewise.
3789         * testsuite/ver_test_10.script: New file.
3790         * testsuite/ver_test_10.sh: New file.
3791         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
3792         (check_DATA): Add ver_test_10.syms.
3793         (ver_test_10.syms, ver_test_10.so): New target.
3794         * testsuite/Makefile.in: Rebuild.
3795
3796 2008-07-23  Simon Baldwin  <simonb@google.com>
3797
3798         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
3799         to zero for undefined symbols from dynamic libraries.
3800
3801 2008-07-23  Ian Lance Taylor  <iant@google.com>
3802
3803         * symtab.cc (Symbol_table::resolve): Remove version parameter.
3804         Change all callers.
3805         * symtab.h (class Symbol_table): Update declaration.
3806         * testsuite/ver_test_9.cc: New file.
3807         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
3808         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
3809         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
3810         (ver_test_9.so, ver_test_9.o): New targets.
3811         * testsuite/Makefile.in: Rebuild.
3812
3813 2008-07-22  Ian Lance Taylor  <iant@google.com>
3814
3815         * options.h (class General_options): Define --check-sections.
3816         * layout.cc (Layout::set_segment_offsets): Handle
3817         --check-sections.
3818
3819         * options.h (class General_options): Define -n/--nmagic and
3820         -N/--omagic.
3821         * options.cc (General_options::finalize): For -n/--nmagic or
3822         -N/--omagic, set -static.
3823         * layout.cc (Layout::attach_allocated_section_to_segment): If
3824         -N/--omagic, don't put read-only and read-write sections in
3825         different segments.
3826         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
3827         finding a read-only segment.
3828         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
3829         don't set the minimum segment alignment to the common page size,
3830         and don't set the file offset to the address modulo the page size.
3831         * script-sections.cc (Script_sections::create_segments): If
3832         -n/--omagic, don't put read-only and read-write sections in
3833         different segments.
3834
3835         * cref.cc: New file.
3836         * cref.h: New file.
3837         * options.h (class General_options): Add --print-symbol-counts.
3838         * main.cc (main): Issue defined symbol report if requested.
3839         * archive.cc (Archive::interpret_header): Make into a const member
3840         function.
3841         (Archive::add_symbols): Call Input_objects::archive_start and
3842         archive_stop.
3843         (Archive::const_iterator): Define new class.
3844         (Archive::begin, Archive::end): New functions.
3845         (Archive::include_all_members): Rewrite to use iterator.
3846         (Archive::count_members): New function.
3847         * archive.h (class Archive): Update declarations.
3848         (Archive::filename): New function.
3849         * object.cc: Include "cref.h".
3850         (Sized_relobj::Sized_relobj): Initialize defined_count_.
3851         (Sized_relobj::do_get_global_symbol_counts): New function.
3852         (Input_objects::add_object): Add object to cross-referencer.
3853         (Input_objects::archive_start): New function.
3854         (Input_objects::archive_stop): New function.
3855         (Input_objects::print_symbol_counts): New function.
3856         * object.h: Declare Cref and Archive.
3857         (Object::get_global_symbol_counts): New function.
3858         (Object::do_get_global_symbol_counts): New pure virtual function.
3859         (class Sized_relobj): Add defined_count_ field.  Update
3860         declarations.
3861         (class Input_objects): Add cref_ field.  Update constructor.
3862         Update declarations.
3863         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
3864         defined_count_.
3865         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
3866         symbol counts.
3867         (Sized_dynobj::do_get_global_symbol_counts): New function.
3868         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
3869         defined_count_.  Update declarations.  Define Symbols typedef.
3870         * symtab.cc (Symbol_table::add_from_relobj): Add defined
3871         parameter.  Change all callers.
3872         (Symbol_table::add_from_dynobj): Add sympointers and defined
3873         parameters.  Change all callers.
3874         * symtab.h (class Symbol_table): Update declarations.
3875         * Makefile.am (CCFILES): Add cref.cc.
3876         (HFILES): Add cref.h.
3877         * Makefile.in: Rebuild.
3878
3879 2008-07-22  Simon Baldwin  <simonb@google.com>
3880
3881         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
3882         to zero when writing undefined symbols.
3883
3884 2008-07-22  Ian Lance Taylor  <iant@google.com>
3885
3886         * output.cc (Output_section::add_input_section): Don't try to
3887         merge empty merge sections.
3888
3889 2008-07-21  Craig Silverstein  <csilvers@google.com>
3890
3891         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
3892         Include symbol version in error message.
3893
3894 2008-07-20  Chris Demetriou  <cgd@google.com>
3895
3896         * configure.ac (gold_cv_c_random_seed): New configured variable.
3897         (RANDOM_SEED_CFLAGS): New substituted variable.
3898         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
3899         * configure: Rebuild.
3900         * Makefile.in: Likewise.
3901         * testsuite/Makefile.in: Likewise.
3902
3903 2008-07-18  Ian Lance Taylor  <iant@google.com>
3904
3905         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
3906         where we see NAME/NULL and NAME/VERSION  as separate symbols.
3907         * testsuite/ver_test_main.cc (main): Call t4.
3908         (t4, t4_2a): Define.
3909         * testsuite/ver_test_2.cc (t4_2): Define.
3910         * testsuite/ver_test_2.script: Put t4_2a in VER2.
3911         * testsuite/ver_test_4.cc (t4_2a): Define.
3912         * testsuite/ver_test_4.script: Put t4_2a in VER2.
3913         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
3914
3915 2008-07-17  Ian Lance Taylor  <iant@google.com>
3916
3917         * dynobj.cc (Versions::add_def): If we give an error about a
3918         missing version, go ahead and create the version anyhow.
3919
3920 2008-07-10  Ian Lance Taylor  <iant@google.com>
3921
3922         Handle output sections with more than 0x7fffffff bytes.
3923         * object.h (class Relobj): Change map_to_output_ to
3924         output_sections_, and just keep a section pointer.  Change all
3925         uses.  Move comdat group support to Sized_relobj.
3926         (Relobj::is_section_specially_mapped): Remove.
3927         (Relobj::output_section): Remove poff parameter.  Change all
3928         callers.
3929         (Relobj::output_section_offset): New function.
3930         (Relobj::set_section_offset): Rewrite.
3931         (Relobj::map_to_output): Remove.
3932         (Relobj::output_sections): New function.
3933         (Relobj::do_output_section_offset): New pure virtual function.
3934         (Relobj::do_set_section_offset): Likewise.
3935         (class Sized_relobj): Add section_offsets_ field.  Add comdat
3936         group support from Relobj.  Update declarations.
3937         (Sized_relobj::get_output_section_offset): New function.
3938         (Sized_relobj::do_output_section_offset): New function.
3939         (Sized_relobj::do_set_section_offset): New function.
3940         * object.cc (Relobj::output_section_address): Remove.
3941         (Sized_relobj::Sized_relobj): Initialize new fields.
3942         (Sized_relobj::include_section_group): Cast find_kept_object to
3943         Sized_relobj.
3944         (Sized_relobj::include_linkonce_section): Likewise.
3945         (Sized_relobj::do_layout): Use separate arrays for output section
3946         and output offset.
3947         (Sized_relobj::do_count_local_symbols): Change map_to_output to
3948         output_sections.
3949         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
3950         output_sections and section_offsets.
3951         (Sized_relobj::write_local_symbols): Likewise.
3952         (map_to_kept_section): Compute output address directly.
3953         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
3954         output_sections and section_offsets.
3955         (Sized_relobj::write_sections): Likewise.
3956         (Sized_relobj::relocate_sections): Likewise.
3957         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
3958         * output.h (class Output_reloc): Update declarations.  Change
3959         u2_.relobj to Sized_relobj*.
3960         (class Output_data_reloc): Change add functions to use
3961         Sized_relobj*.
3962         * output.cc (Output_reloc::Output_reloc): Change relobj to
3963         Sized_relobj*.
3964         (Output_reloc::local_section_offset): Change return type to
3965         Elf_Addr.  Use get_output_section_offset.
3966         (Output_reloc::get_address): Likewise.
3967         (Output_section::is_input_address_mapped): Don't call
3968         is_section_specially_mapped.
3969         (Output_section::output_offset): Likewise.
3970         (Output_section::output_address): Likewise.
3971         (Output_section::starting_output_address): Likewise.
3972         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
3973         parameter to Sized_relobj*.
3974         (Copy_relocs::need_copy_reloc): Likewise.
3975         (Copy_relocs::save): Likewise.
3976         * copy-relocs.h (class Copy_relocs): Update declarations.
3977         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
3978         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
3979         * target-reloc.h (relocate_for_relocatable): Change
3980         offset_in_output_section type to Elf_Addr.  Change code that uses
3981         it as well.
3982         * layout.cc (Layout::layout): Always set *off.
3983         * mapfile.cc (Mapfile::print_input_section): Use
3984         output_section_offset.
3985         * i386.cc (Target_i386::copy_reloc): Change object parameter to
3986         Sized_relobj*.
3987         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
3988         * sparc.cc (Target_sparc::copy_reloc): Likewise.
3989         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
3990
3991 2008-07-03  Ian Lance Taylor  <iant@google.com>
3992
3993         * layout.cc (Layout::include_section): Do not discard unrecognized
3994         SHT_STRTAB sections.
3995
3996 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
3997
3998         * script.cc (Lex::can_continue_name): Make '?' allowable in
3999         version-script names.
4000         * testsuite/version_script.map: Change glob pattern to use '?'
4001
4002 2008-06-30  Manish Singh  <yosh@gimp.org>
4003
4004         PR 6585
4005         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
4006         Correct typo.
4007
4008 2008-06-30  Ian Lance Taylor  <iant@google.com>
4009
4010         PR 6660
4011         PR 6682
4012         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
4013         versions]: Don't try to read the value in the contents, since we
4014         don't use it.  Use the template endianness when writing.
4015
4016 2008-06-25  Cary Coutant  <ccoutant@google.com>
4017
4018         * fileread.cc (File_read::make_view): Assert on zero-length view.
4019         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
4020         symbol table when there are no symbols to read.
4021
4022 2008-06-23  Craig Silverstein  <csilvers@google.com>
4023
4024         * version.cc (version_string): Bump to 1.7
4025
4026 2008-06-18  Craig Silverstein  <csilvers@google.com>
4027
4028         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
4029         constant 0xFFFF to type Valtype.
4030         (Powerpc_relocate_functions::rel16_ha): Likewise.
4031
4032 2008-06-17  Ian Lance Taylor  <iant@google.com>
4033
4034         * output.h (Output_section::Input_section): Initialize p2align_ to
4035         zero for Output_section_data constructors.
4036         (Output_section::Input_section::addralign): If not an input
4037         section, return the alignment of the Output_section_data.
4038         * testsuite/copy_test.cc: New file.
4039         * testsuite/copy_test_1.cc: New file.
4040         * testsuite/copy_test_2.cc: New file.
4041         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
4042         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
4043         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
4044         (copy_test_1_pic.o, copy_test_1.so): New targets.
4045         (copy_test_2_pic.o, copy_test_2.so): New targets.
4046         * testsuite/Makefile.in: Rebuild.
4047
4048         * script-sections.cc (Script_sections::place_orphan): Initialize
4049         local variable exact.
4050
4051 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
4052
4053         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
4054
4055 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
4056             David S. Miller  <davem@davemloft.net>
4057
4058         * powerpc.cc: New file.
4059         * Makefile.am (TARGETSOURCES): Add powerpc.cc
4060         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
4061         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
4062         * Makefile.in: Rebuild.
4063
4064 2008-06-09  Ian Lance Taylor  <iant@google.com>
4065
4066         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
4067         <exception>.
4068         (throwing, orig_terminate): New static variables.
4069         (terminate_handler): New static function.
4070         (t2): Set terminate handler.
4071
4072 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
4073
4074         PR 6584
4075         * binary.cc (Binary_to_elf::sized_convert): Fix .data
4076         alignment.
4077
4078 2008-05-30  Cary Coutant  <ccoutant@google.com>
4079
4080         * archive.cc (Archive::include_all_members) Correct to step
4081         over symbol table and extended name table in thin archives.
4082
4083 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
4084
4085         PR 6407
4086         * target-reloc.h (relocate_for_relocatable): Fix new_offset
4087         calculation.
4088
4089 2008-05-28  Caleb Howe  <cshowe@google.com>
4090
4091         * reduced_debug_output.cc: New file.
4092         * reduced_debug_output.h: New file.
4093         * options.h (class General_options): Add --strip-debug-non-line.
4094         * options.cc (General_options::finalize): Add strip_debug_non_line
4095         to the strip heirarchy.
4096         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
4097         fields.
4098         * layout.cc: Include "reduced_debug_output.h".
4099         (Layout::Layout): Initialize new fields.
4100         (line_only_debug_sections): New static array.
4101         (is_lines_only_debug_sections): New static inline function.
4102         (Layout::include_section): Handle --strip-debug-non-line.
4103         (Layout::make_output_section): If --strip-debug-non-line, build
4104         new output sections for .debug_abbrev and .debug_info.
4105         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
4106         gold.  Warn about possible overflow.
4107         (read_signed_LEB_128): Likewise.
4108         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
4109         (read_signed_LEB_128): Declare.
4110         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
4111         (HFILES): Add reduced_debug_output.h.
4112         * Makefile.in: Rebuild.
4113
4114 2008-05-21  Ian Lance Taylor  <iant@google.com>
4115
4116         * mapfile.cc: New file.
4117         * mapfile.h: New file.
4118         * options.h (class General_options): Add -M/--print-map and -Map.
4119         * options.cc (General_options::finalize): Make -M equivalent to
4120         -Map -.
4121         * main.cc: Include <cstdio> and "mapfile.h".
4122         (main): Open mapfile if requested.
4123         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
4124         constructor.  Change caller.
4125         (queue_initial_tasks): Add mapfile parameter.  Change caller.
4126         (queue_middle_tasks): Likewise.
4127         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
4128         declarations.
4129         * archive.cc: Include "mapfile.h".
4130         (Archive::add_symbols): Add mapfile parameter.  Change all
4131         callers.  Pass mapfile, symbol, and reason to include_member.
4132         (Archive::include_all_members): Add mapfile parameter.  Change all
4133         callers.
4134         (Archive::include_member): Add mapfile, sym, and why parameters.
4135         Change all callers.  Report inclusion to map file.
4136         * archive.h: Include "fileread.h".
4137         (class Archive): Update declarations.
4138         (Archive::file): New const method.
4139         (class Add_archive_symbols): Add mapfile_ field.  Update
4140         constructor.  Change all callers.
4141         * readsyms.h (class Read_symbols): Likewise.
4142         (class Finish_group): Likewise.
4143         (class Read_script): Likewise.
4144         * common.cc: Include "mapfile.h".
4145         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
4146         all callers.
4147         (Symbol_table::do_allocate_commons): Likewise.
4148         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
4149         symbol allocation to mapfile.
4150         * common.h (class Allocate_commons_task): Add mapfile_ field.
4151         Update constructor.  Change all callers.
4152         * symtab.h (class Symbol_table): Update declarations.
4153         * layout.cc: Include "mapfile.h".
4154         (Layout_task_runner::run): Print information to mapfile.
4155         (Layout::create_gold_note): Change Output_data_fixed_space to
4156         Output_data_zero_fill.
4157         (Layout::create_build_id): Likewise.
4158         (Layout::print_to_mapfile): New function.
4159         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
4160         constructor.  Change caller.
4161         (class Layout): Declare print_to_mapfile.
4162         * output.cc (Output_section::Input_section::print_to_mapfile): New
4163         function.
4164         (Output_section::add_input_section): If producing a map, always
4165         add to input_sections_ list.
4166         (Output_section::do_print_to_mapfile): New function.
4167         (Output_segment::print_sections_to_mapfile): New function.
4168         (Output_segment::print_section_list_to_mapfile): New function.
4169         * output.h: Include "mapfile.h".
4170         (Output_data::print_to_mapfile): New function.
4171         (Output_data::do_print_to_mapfile): New virtual function.
4172         (Output_segment_headers::do_print_to_mapfile): New function.
4173         (Output_file_header::do_print_to_mapfile): New function.
4174         (Output_data_const::do_print_to_mapfile): New function.
4175         (class Output_data_const_buffer): Add map_name_ field.  Update
4176         constructor.  Change all callers.  Add do_print_to_mapfile
4177         function.
4178         (class Output_data_fixed_space): Likewise.
4179         (class Output_data_space): Likewise.
4180         (class Output_data_zero_fill): New class.
4181         (Output_data_strtab::do_print_to_mapfile): New function.
4182         (Output_data_reloc_base::do_print_to_mapfile): New function.
4183         (Output_relocatable_relocs::do_print_to_mapfile): New function.
4184         (Output_data_group::do_print_to_mapfile): New function.
4185         (Output_data_got::do_print_to_mapfile): New function.
4186         (Output_data_dynamic::do_print_to_mapfile): New function.
4187         (Output_symtab_xindex::do_print_to_mapfile): New function.
4188         (class Output_section): Declare do_print_to_mapflie.  Declare
4189         print_to_mapfile in Input_section.
4190         (class Output_segment): Declare new functions.
4191         * object.h (Sized_relobj::symbol_count): New function.
4192         * script-sections.cc
4193         (Output_section_element_dot_assignment::set_section_addresses):
4194         Change Output_data_fixed_space to Output_data_zero_fill.
4195         (Output_data_expression::do_print_to_mapfile): New function.
4196         * script.cc (read_input_script): Add mapfile parameter.  Change
4197         all callers.
4198         * script.h (read_input_script): Update declaration.
4199         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
4200         (Eh_frame::do_print_to_mapfile): New function.
4201         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
4202         (Output_merge_string::do_print_to_mapfile): New function.
4203         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
4204         function.
4205         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
4206         function.
4207         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
4208         function.
4209         * Makefile.am (CCFILES): Add mapfile.cc.
4210         (HFILES): Add mapfile.h.
4211         * Makefile.in: Rebuild.
4212
4213 2008-05-19  Ian Lance Taylor  <iant@google.com>
4214
4215         * options.h (class General_options): Add -z relro.
4216         * layout.cc (Layout::Layout): Initialize relro_segment_.
4217         (Layout::add_output_section_data): Return the output section.
4218         (Layout::make_output_section): Rcognize relro sections and mark
4219         them appropriately.
4220         (Layout::attach_allocated_section_to_segment): Put relro sections
4221         in a PT_GNU_RELRO segment.
4222         (Layout::create_initial_dynamic_sections): Mark the .dynamic
4223         section as relro.
4224         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
4225         PT_TLS segments.
4226         (Layout::linkonce_mapping): Map d.rel.ro.local to
4227         .data.rel.ro.local.
4228         (Layout::output_section_name): Us .data.rel.ro.local for any
4229         section which begins with that.
4230         * layout.h (class Layout): Update add_output_section_data
4231         declaration.  Add relro_segment_ field.
4232         * output.cc (Output_section::Output_section): Initialize is_relro_
4233         and is_relro_local_ fields.
4234         (Output_segment::add_output_section): Group relro sections.
4235         (Output_segment::is_first_section_relro): New function.
4236         (Output_segment::maximum_alignment): If there is a relro section,
4237         align the segment to the common page size.
4238         (Output_segment::set_section_addresses): Track whether we are
4239         looking at relro sections.  If the last section is a relro
4240         section, align to the common page size.
4241         (Output_segment::set_section_list_addresses): Add in_relro
4242         parameter.  Change all callers.  Align to the page size when
4243         moving from relro to non-relro section.
4244         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
4245         segment.
4246         * output.h (class Output_section): Add is_relro_ and
4247         is_relro_local_ fields.
4248         (Output_section::is_relro): New function.
4249         (Output_section::set_is_relro): New function.
4250         (Output_section::is_relro_local): New function.
4251         (Output_section::set_is_relro_local): New function.
4252         (class Output_segment): Update declarations.
4253         * i386.cc (Target_i386::got_section): Mark .got section as relro.
4254         * sparc.cc (Target_sparc::got_section): Likewise.
4255         * x86_64.cc (Target_x86_64::got_section): Likewise.
4256         * testsuite/relro_test_main.cc: New file.
4257         * testsuite/relro_test.cc: New file.
4258         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
4259         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
4260         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
4261         (relro_test.so, relro_test_pic.o): New targets.
4262         * testsuite/Makefile.in: Rebuild.
4263
4264 2008-05-16  Ian Lance Taylor  <iant@google.com>
4265
4266         * output.cc (Output_segment::add_output_section): Remove front
4267         parameter.
4268         * output.h (class Output_segment): Remove
4269         add_initial_output_section and overloaded add_output_section.
4270         Update declaration of remaining add_output_section.
4271         * layout.cc (Layout::create_interp): Call add_output_section
4272         rather than add_initial_output_section.
4273         (Layout::finish_dynamic_section): Likewise.
4274
4275         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
4276         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
4277         know the dynamic type.
4278         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
4279         field.  Initialize it in constructor.
4280         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
4281         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
4282         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
4283         reloc.
4284
4285         * output.cc (Output_reloc::get_address): Change return type to
4286         Elf_Addr.
4287         * output.h (class Output_reloc): Update get_address declaration.
4288         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
4289         for section addresses.
4290
4291 2008-05-09  Ian Lance Taylor  <iant@google.com>
4292
4293         PR 6493
4294         * gold.cc (gold_nomem): Use return value of write.
4295
4296 2008-05-08  Ian Lance Taylor  <iant@google.com>
4297
4298         * symtab.c (Symbol::init_base_output_data): Add version
4299         parameter.  Change all callers.
4300         (Symbol::init_base_output_segment): Likewise.
4301         (Symbol::init_base_constant): Likewise.
4302         (Symbol::init_base_undefined): Likewise.
4303         (Sized_symbol::init_output_data): Likewise.
4304         (Sized_symbol::init_output_segment): Likewise.
4305         (Sized_symbol::init_constant): Likewise.
4306         (Sized_symbol::init_undefined): Likewise.
4307         (Symbol_table::do_define_in_output_data): If the new symbol has a
4308         version, mark it as the default.
4309         (Symbol_table::do_define_in_output_segment): Likewise.
4310         (Symbol_table::do_define_as_constant): Likewise.
4311         * symtab.h (class Symbol): Update declarations.
4312         (class Sized_symbol): Likewise.
4313         * resolve.cc (Symbol::override_version): New function.
4314         (Symbol::override_base): Call override_version.
4315         (Symbol::override_base_with_special): Likewise.
4316         * testsuite/ver_script_8.script: New file.
4317         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
4318         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
4319         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
4320         (ver_test_8_1.so, ver_test_8_2.so): New targets.
4321
4322 2008-05-06  Ian Lance Taylor  <iant@google.com>
4323
4324         PR 6049
4325         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
4326         functions.
4327         (class General_options): Remove existing --undefined, and add
4328         --no-undefined instead.  Add new --undefined as synonym for -u.
4329         * archive.cc (Archive::add_symbols): Check whether symbol was
4330         named with -u.
4331         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
4332         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
4333         all uses.  Add IS_UNDEFINED.  Update declarations to split
4334         different versions of init_base.  Declare init_base_undefined.
4335         (Symbol::is_defined): Handle IS_UNDEFINED.
4336         (Symbol::is_undefined): Likewise.
4337         (Symbol::is_weak_undefined): Call is_undefined.
4338         (Symbol::is_absolute): Handle IS_CONSTANT.
4339         (class Sized_symbol): Update declarations to split different
4340         versions of init.  Declare init_undefined.
4341         (class Symbol_table): Declare new functions.
4342         * symtab.cc (Symbol::init_base_object): Rename from init_base.
4343         Change all callers.
4344         (Symbol::init_base_output_data): Likewise.
4345         (Symbol::init_base_output_segment): Likewise.
4346         (Symbol::init_base_constant): Likewise.
4347         (Symbol::init_base_undefined): New function.
4348         (Sized_symbol::init_object): Rename from init.  Change all
4349         callers.
4350         (Sized_symbol::init_output_data): Likewise.
4351         (Sized_symbol::init_output_segment): Likewise.
4352         (Sized_symbol::init_constant): Likewise.
4353         (Sized_symbol::init_undefined): New function.
4354         (Symbol_table::add_undefined_symbols_from_command_line): New
4355         function.
4356         (Symbol_table::do_add_undefined_symbols_from_command_line): New
4357         function.
4358         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
4359         (Symbol::output_section): Likewise.
4360         (Symbol::set_output_section): Likewise.
4361         (Symbol_table::sized_finalize_symbol): Likewise.
4362         (Symbol_table::sized_write_globals): Likewise.
4363         * resolve.cc (Symbol_table::should_override): Likewise.
4364         (Symbol::override_base_with_special): Likewise.
4365
4366         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
4367         symbol, change it to have default visibility.
4368         * testsuite/protected_1.cc: New file.
4369         * testsuite/protected_2.cc: New file.
4370         * testsuite/protected_3.cc: New file.
4371         * testsuite/protected_main_1.cc: New file.
4372         * testsuite/protected_main_2.cc: New file.
4373         * testsuite/protected_main_3.cc: New file.
4374         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
4375         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
4376         (protected_1_LDFLAGS, protected_1_LDADD): Define.
4377         (protected_1.so): New target.
4378         (protected_1_pic.o, protected_2_pic.o): New targets.
4379         (protected_3_pic.o): New target.
4380         (check_PROGRAMS): Add protected_2.
4381         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
4382         (protected_2_LDFLAGS, protected_2_LDADD): Define.
4383         * testsuite/Makefile.in: Rebuild.
4384
4385         * options.h (DEFINE_var): Add set_user_set_##varname__.
4386         (DEFINE_bool_alias): New macro.
4387         (class General_options): Define -Bstatic using DEFINE_bool_alias
4388         rather than DEFINE_special.  Add --undefined as an alias for -z
4389         defs.
4390         * options.cc (General_options::parse_Bstatic): Remove.
4391
4392         * options.h (class General_options): Add --fatal-warnings.
4393         * main.cc (main): Implement --fatal-warnings.
4394         * errors.h (Errors::warning_count): New function.
4395
4396         * options.h (class General_options): Add -Bsymbolic-functions.
4397         * symtab.h (Symbol::is_preemptible): Check for
4398         -Bsymbolic-functions.
4399
4400 2008-05-05  Ian Lance Taylor  <iant@google.com>
4401
4402         * options.h (DEFINE_bool): For DASH_Z, create the negative option
4403         as noVARNAME rather than no-VARNAME.
4404         (class General_options): Add option -z combreloc.
4405         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
4406         get_address.
4407         (Output_reloc::sort_before) [SHT_REL]: New function.
4408         (Output_reloc::sort_before) [SHT_RELA]: New function.
4409         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
4410         Sort_relocs_comparison.
4411         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
4412         parameter.  Change all callers.
4413         (Output_data_reloc::Output_data_reloc) [both versions]: Add
4414         sort_relocs parameter.  Change all callers.
4415         * output.cc (Output_reloc::get_address): New function, broken out
4416         of write_rel.
4417         (Output_reloc::write_rel): Call it.
4418         (Output_reloc::compare): New function.
4419         (Output_data_reloc_base::do_write): Optionally sort relocs.
4420
4421         * configure.ac: If targ_extra_obj is set, link it in.
4422         * configure.tgt: Initialize all variables.
4423         (x86_64*): Set targ_extra_obj and targ_extra_size.
4424         * configure: Rebuild.
4425
4426         * object.cc (Sized_relobj::include_section_group): Adjust section
4427         indexes read from group data.  Build vector to pass to
4428         layout_group.
4429         * layout.cc (Layout::layout_group): Add flags and shndxes
4430         parameters.  Remove contents parameter.  Change caller.  Update
4431         explicit instantiations.
4432         * layout.h (class Layout): Update layout_group declaration.
4433         * output.cc (Output_data_group::Output_data_group): Add flags and
4434         input_shndxes parameters.  Remove contents parameter.  Change
4435         caller.
4436         (Output_data_group::do_write): Change input_sections_ to
4437         input_shndxes_.
4438         * output.h (class Output_data_group): Update constructor
4439         declaration.  Rename input_sections_ to input_shndxes_.
4440         * testsuite/many_sections_test.cc: Add template.
4441
4442 2008-04-30  Cary Coutant  <ccoutant@google.com>
4443
4444         * target-reloc.h (relocate_section): Fix dead-pointer bug.
4445
4446         * layout.cc (Layout::include_section): Refactored check for debug
4447         info section.
4448         (Layout::add_comdat): Add new parameters.  Change type
4449         of signature parameter.  Add object and shndx to signatures table.
4450         (Layout::find_kept_object): New function.
4451         * layout.h: Include <cstring>.
4452         (Layout::is_debug_info_section): New function.
4453         (Layout::add_comdat): Add new parameters.
4454         (Layout::find_kept_object): New function.
4455         (Layout::Kept_section): New struct.
4456         (Layout::Signatures): Change type of map range.
4457         * object.cc (Relobj::output_section_address): New function.
4458         (Sized_relobj::include_section_group): Add new parameters.  Change
4459         calls to Layout::add_comdat.  Change to build table of kept comdat
4460         groups and table mapping discarded sections to kept sections.
4461         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
4462         (Sized_relobj::do_layout): Change calls to include_section_group and
4463         include_linkonce_section.
4464         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
4465         value to zero when section is discarded.
4466         (Sized_relobj::map_to_kept_section): New function.
4467         * object.h (Relobj::output_section_address): New function.
4468         (Relobj::Comdat_group): New type.
4469         (Relobj::find_comdat_group): New function.
4470         (Relobj::Comdat_group_table): New type.
4471         (Relobj::Kept_comdat_section): New type.
4472         (Relobj::Kept_comdat_section_table): New type.
4473         (Relobj::add_comdat_group): New function.
4474         (Relobj::set_kept_comdat_section): New function.
4475         (Relobj::get_kept_comdat_section): New function.
4476         (Relobj::comdat_groups_): New field.
4477         (Relobj::kept_comdat_sections_): New field.
4478         (Symbol_value::input_value): Update comment.
4479         (Sized_relobj::map_to_kept_section) New function.
4480         (Sized_relobj::include_linkonce_section): Add new parameter.
4481         * target-reloc.h (Comdat_behavior): New type.
4482         (get_comdat_behavior): New function.
4483         (relocate_section): Add code to map a discarded section to the
4484         corresponding kept section when applying a relocation.
4485
4486 2008-04-30  Craig Silverstein  <csilvers@google.com>
4487
4488         * dwarf_reader.cc (next_generation_count): New static var.
4489         (Addr2line_cache_entry): New struct.
4490         (addr2line_cache): New static var.
4491         (Dwarf_line_info::one_addr2line): Added caching.
4492         (Dwarf_line_info::clear_addr2line_cache): New function.
4493         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
4494         cache-size parameter.
4495         (Dwarf_line_info::one_addr2line_cache): New function.
4496         * symtab.cc (Symbol_table::detect_odr_violations): Pass
4497         new cache-size argument to one_addr2line(), and clear cache.
4498
4499 2008-04-28  Cary Coutant  <ccoutant@google.com>
4500
4501         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
4502         R_386_PC8 relocations.
4503
4504 2008-04-23  Ian Lance Taylor  <iant@google.com>
4505
4506         * object.cc (Sized_relobj::include_section_group): Check for
4507         invalid section group.
4508
4509         * object.cc (make_elf_object): Correct test for 64-bit ELF file
4510         header size.
4511
4512         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
4513         than read for file header.
4514         * archive.cc (Archive::include_member): Likewise.
4515
4516 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
4517
4518         * aclocal.m4: Regenerate.
4519         * configure: Regenerate.
4520
4521 2008-04-19  Ian Lance Taylor  <iant@google.com>
4522
4523         * version.cc (version_string): Bump to 1.6.
4524
4525         * testsuite/Makefile.am (many_sections_r_test): New target.
4526         (many_sections_r_test_SOURCES): Remove.
4527         (many_sections_r_test_DEPENDENCIES): Remove.
4528         (many_sections_r_test_LDFLAGS): Remove.
4529         (many_sections_r_test_LDADD): Remove.
4530
4531         * object.cc (Sized_relobj::do_add_symbols): Always pass
4532         local_symbol_count_ to add_from_relobj.
4533
4534         * testsuite/Makefile.am (many_sections_check.h): Only check one in
4535         every thousand variables.
4536         * testsuite/Makefile.in: Rebuild.
4537
4538         * object.cc (Xindex::initialize_symtab_xindex): New function.
4539         (Xindex::read_symtab_xindex): New function.
4540         (Xindex::sym_xindex_to_shndx): New function.
4541         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
4542         available.
4543         (Sized_relobj::do_initialize_xindex): New function.
4544         (Sized_relobj::do_read_symbols): Adjust section links.
4545         (Sized_relobj::symbol_section_and_value): Add is_ordinary
4546         parameter.  Change all callers.
4547         (Sized_relobj::include_section_group): Adjust section links and
4548         symbol section indexes.
4549         (Sized_relobj::do_layout): Adjust section links.
4550         (Sized_relobj::do_count_local_symbols): Adjust section links and
4551         symbol section indexes.
4552         (Sized_relobj::do_finalize_local_symbols): Distinguish between
4553         ordinary and special symbols.
4554         (Sized_relobj::write_local_symbols): Add symtab_xindex and
4555         dynsym_xindex parameters.  Change all callers.  Adjust section
4556         links.  Use SHN_XINDEX when needed.
4557         (Sized_relobj::get_symbol_location_info): Adjust section links.
4558         Don't get fooled by special symbols.
4559         * object.h (class Xindex): Define.
4560         (class Object): Add xindex_ parameter.  Declare virtual functoin
4561         do_initialize_xindex.
4562         (Object::adjust_sym_shndx): New function.
4563         (Object::set_xindex): New protected function.
4564         (class Symbol_value): Add is_ordinary_shndx_ field.
4565         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
4566         (Symbol_value::value): Assert ordinary section.
4567         (Symbol_value::initialize_input_to_output_map): Likewise.
4568         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
4569         Change all callers.
4570         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
4571         all callers.
4572         (class Sized_relobj): Update declarations.
4573         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
4574         parameter.  Change all callers.
4575         (Sized_relobj::adjust_shndx): New function.
4576         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
4577         field.
4578         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
4579         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
4580         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
4581         (Sized_dynobj::read_dynsym_section): Adjust section links.
4582         (Sized_dynobj::read_dynamic): Likewise.
4583         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
4584         section links.
4585         (Sized_dynobj::do_initialize_xindex): New function.
4586         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
4587         do_initialize_xindex.
4588         (Sized_dynobj::adjust_shndx): New function.
4589         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
4590         dynsym_xindex_ fields.
4591         (Layout::finalize): Add a call to set_section_indexes before
4592         creating the symtab sections.
4593         (Layout::set_section_indexes): Don't do anything if the section
4594         already has a section index.
4595         (Layout::create_symtab_sections): Add shnum parameter.  Change
4596         caller.  Create .symtab_shndx section if needed.
4597         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
4598         caller.
4599         (Layout::allocated_output_section_count): New function.
4600         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
4601         needed.
4602         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
4603         fields.  Update declarations.
4604         (Layout::symtab_xindex): New function.
4605         (Layout::dynsym_xindex): New function.
4606         (class Write_symbols_task): Add layout_ field.
4607         (Write_symbols_task::Write_symbols_task): Add layout parameter.
4608         Change caller.
4609         * output.cc (Output_section_headers::Output_section_headers): Add
4610         shstrtab_section parameter.  Change all callers.
4611         (Output_section_headers::do_sized_write): Store overflow values
4612         for section count and section string table section index in
4613         section header zero.
4614         (Output_file_header::do_sized_write): Check for overflow of
4615         section count and section string table section index.
4616         (Output_symtab_xindex::do_write): New function.
4617         (Output_symtab_xindex::endian_do_write): New function.
4618         * output.h (class Output_section_headers): Add shstrtab_section_.
4619         Update declarations.
4620         (class Output_symtab_xindex): Define.
4621         (Output_section::has_out_shndx): New function.
4622         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
4623         field.
4624         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
4625         Change all callers.
4626         (Sized_symbol::init): Likewise.
4627         (Symbol::output_section): Check for ordinary symbol.
4628         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
4629         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
4630         callers.
4631         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
4632         Change all callers.  Simplify handling of symbols from sections
4633         not included in the link.
4634         (Symbol_table::add_from_dynobj): Handle ordinary symbol
4635         distinction.
4636         (Weak_alias_sorter::operator()): Assert that symbols are
4637         ordinary.
4638         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
4639         distinction.
4640         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
4641         parameters.  Change all callers.
4642         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
4643         symbol distinction.  Use SHN_XINDEX when needed.
4644         (Symbol_table::write_section_symbol): Add symtab_xindex
4645         parameter.  Change all callers.
4646         (Symbol_table::sized_write_section_symbol): Likewise.  Use
4647         SHN_XINDEX when needed.
4648         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
4649         declarations.
4650         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
4651         (Symbol::is_defined): Check is_ordinary.
4652         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
4653         (Symbol::is_absolute, Symbol::is_common): Likewise.
4654         (class Sized_symbol): Update declarations.
4655         (class Symbol_table): Update declarations.
4656         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
4657         parameters.  Change all callers.
4658         (Sized_symbol::override): Likewise.
4659         (Symbol_table::override): Likewise.
4660         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
4661         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
4662         is_ordinary, and orig_st_shndx parameters.  Change all callers.
4663         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
4664         to be in an ordinary section.
4665         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
4666         object and is_ordinary parameters.  Change all callers.
4667         (Sized_dwarf_line_info::read_relocs): Add object parameter.
4668         Change all callers.  Don't add undefined or non-ordinary symbols
4669         to reloc_map_.
4670         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
4671         Change all callers.
4672         * dwarf_reader.h (class Sized_dwarf_line_info): Update
4673         declarations.
4674         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
4675         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
4676         (Sized_relobj::relocate_sections): Likewise.
4677         * target-reloc.h (scan_relocs): Adjust section symbol index.
4678         (scan_relocatable_relocs): Likewise.
4679         * i386.cc (Scan::local): Check for ordinary symbols.
4680         * sparc.cc (Scan::local): Likewise.
4681         * x86_64.cc (Scan::local): Likewise.
4682         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
4683         to symbol_section_and_value.
4684         * testsuite/many_sections_test.cc: New file.
4685         * testsuite/Makefile.am (BUILT_SOURCES): Define.
4686         (check_PROGRAMS): Add many_sections_test.
4687         (many_sections_test_SOURCES): Define.
4688         (many_sections_test_DEPENDENCIES): Define.
4689         (many_sections_test_LDFLAGS): Define.
4690         (BUILT_SOURCES): Add many_sections_define.h.
4691         (many_sections_define.h): New target.
4692         (BUILT_SOURCES): Add many_sections_check.h.
4693         (many_sections_check.h): New target.
4694         (check_PROGRAMS): Add many_sections_r_test.
4695         (many_sections_r_test_SOURCES): Define.
4696         (many_sections_r_test_DEPENDENCIES): Define.
4697         (many_sections_r_test_LDFLAGS): Define.
4698         (many_sections_r_test_LDADD): Define.
4699         (many_sections_r_test.o): New target.
4700         * testsuite/Makefile.in: Rebuild.
4701
4702 2008-04-17  Cary Coutant  <ccoutant@google.com>
4703
4704         * errors.cc (Errors::info): New function.
4705         (gold_info): New function.
4706         * errors.h (Errors::info): New function.
4707         * gold.h (gold_info): New function.
4708         * object.cc (Input_objects::add_object): Print trace output.
4709         * options.cc (options::parse_set): New function.
4710         (General_options::parse_wrap): Deleted.
4711         (General_options::General_options): Deleted initializer.
4712         * options.h (options::String_set): New typedef.
4713         (options::parse_set): New function.
4714         (DEFINE_set): New macro.
4715         (General_options::wrap): Changed to use DEFINE_set. Changed
4716         callers of any_wrap_symbols and is_wrap_symbol.
4717         (General_options::trace, General_options::trace_symbol):
4718         New options.
4719         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
4720         (General_options::wrap_symbols_): Deleted.
4721         * symtab.cc (Symbol_table::add_from_object): Print trace output.
4722
4723 2008-04-17  David S. Miller  <davem@davemloft.net>
4724
4725         * options.cc (General_options::parse_V): New function.
4726         * options.h: Add entries for -V and -Qy.
4727
4728 2008-04-17  Ian Lance Taylor  <iant@google.com>
4729
4730         * common.cc (Symbol_table::allocate_commons): Remove options
4731         parameter.  Change caller.
4732         (Symbol_table::do_allocate_commons): Remove options parameter.
4733         Change caller.  Just call do_allocate_commons_list twice.
4734         (Symbol_table::do_allocate_commons_list): New function, broken out
4735         of do_allocate_commons.
4736         * common.h (class Allocate_commons_task): Remove options_ field.
4737         Update constructor.
4738         * symtab.cc (Symbol_table::Symbol_table): Initialize
4739         tls_commons_.
4740         (Symbol_table::add_from_object): Put TLS common symbols on
4741         tls_commons_ list.
4742         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
4743         which are IN_OUTPUT_DATA.
4744         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
4745         allocate_commons and do_allocate_commons declarations.  Declare
4746         do_allocate_commons_list.
4747         * gold.cc (queue_middle_tasks): Update creation of
4748         Allocate_commons_task to not pass options.
4749         * testsuite/Makefile.am (INCLUDES): Add -I.. .
4750         (TLS_TEST_C_FLAGS): New variable.
4751         (tls_test_c_pic.o): New target.
4752         (tls_test_shared.so): Link in tls_test_c_pic.o.
4753         (tls_test_c_pic_ie.o): New target.
4754         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
4755         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
4756         (tls_test_c.o): New target.
4757         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
4758         (tls_pic_test_LDADD): Likewise.
4759         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
4760         (tls_shared_gd_to_ie_test_LDADD): Likewise.
4761         (tls_test_c_gnu2.o): New target.
4762         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
4763         tls_test_c_gnu2.o.
4764         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
4765         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
4766         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
4767         * testsuite/tls_test.cc: Include "config.h".
4768         (t_last): Call t11_last.
4769         * testsuite/tls_test.h (t11, t11_last): Declare.
4770         * testsuite/tls_test_c.c: New file.
4771         * testsuite/tls_test_main.cc (thread_routine): Call t11.
4772         * configure.ac: Check for OpenMP support.
4773         * configure, config.in, Makefile.in: Rebuild.
4774         * testsuite/Makefile.in: Rebuild.
4775
4776 2008-04-16  Cary Coutant  <ccoutant@google.com>
4777
4778         * i386.cc (Target_i386::define_tls_base_symbol): New function.
4779         (Target_i386::tls_base_symbol_defined_): New field.
4780         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
4781         (Target_i386::Scan::global): Likewise.
4782         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
4783         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
4784         (Target_x86_64::tls_base_symbol_defined_): New field.
4785         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
4786         (Target_x86_64::Scan::global): Likewise.
4787
4788 2008-04-16  Cary Coutant  <ccoutant@google.com>
4789
4790         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
4791         (Symbol::needs_plt_entry): Allow weak undefined symbols.
4792         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
4793         building shared libraries.
4794         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
4795         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
4796         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
4797         * testsuite/Makefile.in: Rebuild.
4798         * testsuite/weak_undef.h: New file.
4799         * testsuite/weak_undef_file1.cc: Add extra test cases.
4800         * testsuite/weak_undef_file2.cc: Likewise.
4801         * testsuite/weak_undef_test.cc: Likewise.
4802
4803 2008-04-16  David S. Miller  <davem@davemloft.net>
4804
4805         * sparc.cc (Target_sparc::Scan): Change from struct to class.
4806         Add issued_non_pic_error_ field.  Declare check_non_pic.
4807         (Target_sparc::Scan::check_non_pic): New function.
4808         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
4809         (Target_sparc::Scan::global): Likewise.
4810
4811         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
4812         * configure: Rebuild.
4813
4814         * options.h (DEFINE_enable): New macro.
4815         (new_dtags): New enable option.
4816         (initfirst, interpose, loadfltr, nodefaultlib,
4817         nodelete, nodlopen, nodump): New -z options.
4818         * layout.cc (Layout:finish_dynamic_section): If new
4819         dtags enabled, emit DT_RUNPATH.  Also, emit a
4820         DT_FLAGS_1 containing any specified -z flags.
4821
4822 2008-04-16  Ian Lance Taylor  <iant@google.com>
4823
4824         * copy-relocs.cc: New file.
4825         * copy-relocs.h: New file.
4826         * reloc.cc: Remove Copy_relocs code.
4827         * reloc.h: Likewise.
4828         * reloc-types.h (struct Reloc_types) [both versions]: Add
4829         get_reloc_addend_noerror.
4830         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
4831         variants of add_global which take an addend which must be zero.
4832         * i386.cc: Include "copy-relocs.h".
4833         (class Target_i386): Change type of copy_relocs_ to variable,
4834         update initializer.
4835         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
4836         Change all callers.
4837         (Target_i386::do_finalize_sections): Change handling of
4838         copy_relocs_.
4839         * sparc.cc: Include "copy-relocs.h".
4840         (class Target_sparc): Change type of copy_relocs_ to variable,
4841         update initializer.
4842         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
4843         Change all callers.
4844         (Target_sparc::do_finalize_sections): Change handling of
4845         copy_relocs_.
4846         * x86_64.cc: Include "copy-relocs.h".
4847         (class Target_x86_64): Change type of copy_relocs_ to variable,
4848         update initializer.
4849         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
4850         class.  Change all callers.
4851         (Target_x86_64::do_finalize_sections): Change handling of
4852         copy_relocs_.
4853         * Makefile.am (CCFILES): Add copy-relocs.cc.
4854         (HFILES): Add copy-relocs.h.
4855
4856         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
4857
4858         * testsuite/script_test_4.sh: Permit leading zeroes.
4859
4860 2008-04-15  Ian Lance Taylor  <iant@google.com>
4861
4862         * script-sections.cc (Script_sections::create_segments): Use
4863         header_size_adjustment even when there is enough room for the
4864         headers.
4865         * testsuite/script_test_4.sh: New file.
4866         * testsuite/script_test_4.t: New file.
4867         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
4868         (check_DATA): Add script_test_4.stdout.
4869         (MOSTLYCLEANFILES): Likewise.
4870         (script_test_4): New target.
4871         (script_test_4.stdout): New target.
4872         * testsuite/Makefile.in: Rebuild.
4873
4874         * sparc.cc: Add definitions for Output_data_plt_sparc class
4875         constants.
4876
4877 2008-04-14  David S. Miller  <davem@davemloft.net>
4878
4879         * sparc.cc: New file.
4880         * Makefile.am (TARGETSOURCES): Add sparc.cc
4881         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
4882         * configure.tgt: Document targ_extra_size and
4883         targ_extra_big_endian.  Add entries for sparc-* and
4884         sparc64-*.
4885         * configure.ac: Handle targ_extra_size and
4886         targ_extra_big_endian.
4887         * Makefile.in: Rebuild.
4888         * configure: Likewise.
4889         * po/POTFILES.in: Likewise.
4890         * po/gold.pot: Likewise.
4891
4892 2008-04-14  Ian Lance Taylor  <iant@google.com>
4893
4894         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
4895         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
4896         in the name/type/flags to section mapping.  Don't call
4897         allocate_output_section.
4898         (Layout::choose_output_section): Change parameter from adjust_name
4899         to is_input_section.  Don't permit input sections after sections
4900         are attached to segments.  Don't call allocate_output_section.
4901         (Layout::layout_eh_frame): Call update_flags_for_input_section,
4902         not write_enable_output_section.
4903         (Layout::make_output_section): Don't push to
4904         unattached_section_list_ nor call attach_to_segment.  Call
4905         attach_section_to_segment if sections are attached.
4906         (Layout::attach_sections_to_segments): New function.
4907         (Layout::attach_section_to_segment): New function.
4908         (Layout::attach_allocated_section_to_segment): Rename from
4909         attach_to_segment.  Remove flags parameter.
4910         (Layout::allocate_output_section): Remove function.
4911         (Layout::write_enable_output_section): Remove function.
4912         * layout.h (class Layout): Update for above changes.  Add new
4913         field sections_are_attached_.
4914         * output.h (Output_section::update_flags_for_input_section): New
4915         function.
4916         * output.cc (Output_section::add_input_section): Call
4917         update_flags_for_input_section.
4918         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
4919
4920 2008-04-11  Cary Coutant  <ccoutant@google.com>
4921
4922         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
4923         thought unnecessary.
4924         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
4925
4926 2008-04-11  Ian Lance Taylor  <iant@google.com>
4927
4928         * output.h (class Output_section_data): Remove inline definition
4929         of set_addralign.
4930         * output.cc (Output_section_data::set_addralign): New function.
4931
4932 2008-04-11  Cary Coutant  <ccoutant@google.com>
4933
4934         Add support for TLS descriptors for i386 and x86_64.
4935         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
4936         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
4937         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
4938         GOT_TYPE_TLS_DESC.
4939         (Target_i386::got_mod_index_entry): Remove unnecessary code.
4940         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
4941         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
4942         relocations.
4943         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
4944         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
4945         Fix problem with initial-exec relocations.
4946         (Target_i386::Relocate::relocate_tls): Likewise.
4947         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
4948         relaxation.
4949         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
4950         support for section-plus-offset dynamic table entries.
4951         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
4952         (Output_data_dynamic::Dynamic_entry): Add support for
4953         section-plus-offset dynamic table entries.
4954         (Output_data_dynamic::Classification): Likewise.
4955         (Output_data_dynamic::classification_): Renamed offset_.
4956         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
4957         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
4958         (Target_x86_64::make_plt_section): New function.
4959         (Target_x86_64::reserve_tlsdesc_entries): New function.
4960         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
4961         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
4962         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
4963         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
4964         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
4965         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
4966         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
4967         add extra PLT entry for TLS descriptors.
4968         (Output_data_plt_x86_64::got_): New field.
4969         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
4970         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
4971         fields.
4972         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
4973         descriptors.
4974         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
4975         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
4976         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
4977         R_386_TLS_DESC_CALL relocations.
4978         (Target_x86_64::Scan::global): Likewise.
4979         (Target_x86_64::do_finalize_sections): Add dynamic table entries
4980         for TLS descriptors.
4981         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
4982         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
4983         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
4984         GD-to-IE relaxation.
4985         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
4986         and TLS_DESCRIPTORS.
4987         * Makefile.in: Rebuild.
4988         * configure: Rebuild.
4989         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
4990         (tls_test_shared2.so): New target.
4991         (tls_shared_gd_to_ie_test_SOURCES): New variable.
4992         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
4993         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
4994         (tls_shared_gd_to_ie_test_LDADD): New variable.
4995         (tls_shared_gnu2_gd_to_ie_test): New target.
4996         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
4997         New targets.
4998         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
4999         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
5000         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
5001         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
5002         (tls_shared_gnu2_test): New target.
5003         (tls_test_gnu2_shared.so): New target.
5004         (tls_shared_gnu2_test_SOURCES): New variable.
5005         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
5006         (tls_shared_gnu2_test_LDFLAGS): New variable.
5007         (tls_shared_gnu2_test_LDADD): New variable.
5008         * testsuite/Makefile.in: Rebuild.
5009         * testsuite/Makefile.
5010
5011 2008-04-11  Ian Lance Taylor  <iant@google.com>
5012
5013         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
5014         justsyms.t.
5015         * testsuite/Makefile.in: Rebuild.
5016
5017         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
5018         long.
5019         * testsuite/script_test_2.cc (main): Adjust test.
5020
5021 2008-04-11  David S. Miller  <davem@davemloft.net>
5022             Ian Lance Taylor  <iant@google.com>
5023
5024         * options.h (General_options): Add entries for '-Y' and
5025         '-relax'.
5026         * options.cc (General_options:finalize): If -Y was used, add those
5027         entries to the library path instead of the default "/lib" and
5028         "/usr/lib".
5029
5030 2008-04-11  David S. Miller  <davem@davemloft.net>
5031
5032         * testsuite/justsyms.t: Start at 0x100.
5033         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
5034         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
5035         long.
5036         * testsuite/script_test_2.cc: Adjust string and section length
5037         checks.
5038
5039 2008-04-09  Ian Lance Taylor  <iant@google.com>
5040
5041         PR gold/5996
5042         * script-sections.cc (Sections_element::allocate_to_segment): Add
5043         orphan parameter.
5044         (Output_section_definition::allocate_to_segment): Likewise.
5045         (Orphan_output_section::allocate_to_segment): Likewise.
5046         (Script_sections::attach_sections_using_phdrs_clause): Don't
5047         propagate non-PT_LOAD segments to orphan sections.
5048         * testsuite/Makefile.am (script_test_3.stdout): Generate using
5049         readelf rather than objdump.
5050         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
5051         .interp section and PT_INTERP segment are the same size.
5052         * testsuite/Makefile.in: Rebuild.
5053
5054         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
5055         aliases for symbols defined in the same object.
5056         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
5057         (weak_alias_test_SOURCES): New variable.
5058         (weak_alias_test_DEPENDENCIES): New variable.
5059         (weak_alias_test_LDFLAGS): New variable.
5060         (weak_alias_test_LDADD): New variable.
5061         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
5062         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
5063         (weak_alias_test_3.o): New target.
5064         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
5065         * testsuite/weak_alias_test_main.cc: New file.
5066         * testsuite/weak_alias_test_1.cc: New file.
5067         * testsuite/weak_alias_test_2.cc: New file.
5068         * testsuite/weak_alias_test_3.cc: New file.
5069
5070 2008-04-08  Ian Lance Taylor  <iant@google.com>
5071
5072         * options.h (class General_options): Add --noinhibit-exec option.
5073         * main.cc (main): Check --noinhibit-exec.
5074
5075         * options.h (class General_options): Define --wrap as a special
5076         option.  Add wrap_symbols_ field.
5077         (General_options::any_wrap_symbols): New function.
5078         (General_options::is_wrap_symbol): New function.
5079         * options.cc (General_options::parse_wrap): New function.
5080         (General_options::General_options): Initialize wrap_symbols_.
5081         * symtab.cc (Symbol_table::wrap_symbol): New function.
5082         (Symbol_table::add_from_object): Handle --wrap.
5083         * symtab.h (class Symbol_table): Declare wrap_symbol.
5084         * target.h (Target::wrap_char): New function.
5085         (Target::Target_info): Add wrap_char field.
5086         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
5087         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
5088         * testsuite/testfile.cc (Target_test::test_target_info):
5089         Likewise.
5090
5091         * errors.cc (Errors::undefined_symbol): Mention symbol version if
5092         there is one.
5093
5094         * layout.h (class Layout): Add added_eh_frame_data_ field.
5095         * layout.cc (Layout::Layout): Initialize new field.
5096         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
5097         output section until we find a section we merged successfully.
5098         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
5099         that the size be non-zero.
5100
5101         * merge.cc (Object_merge_map::get_output_offset): Remove inline
5102         qualifier.
5103
5104 2008-04-08  Craig Silverstein  <csilvers@google.com>
5105
5106         * configure.ac: Export new conditional variable HAVE_ZLIB.
5107         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
5108         on HAVE_ZLIB.
5109         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
5110         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
5111
5112 2008-04-07  Ian Lance Taylor  <iant@google.com>
5113
5114         * version.cc (version_string): Set to "1.5".
5115
5116         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
5117         Add issued_non_pic_error_ field.  Declare check_non_pic.
5118         (Target_x86_64::Scan::check_non_pic): New function.
5119         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
5120         (Target_x86_64::Scan::global): Likewise.
5121
5122         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
5123         addend parameter.  Change caller.  Handle merge sections.
5124         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
5125         Address to Addend.  Don't add in the result of
5126         local_section_offset, pass down the addend and use the returned
5127         value.
5128         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
5129         Update declarations of local_section_offset and symbol_value.
5130         * testsuite/two_file_test_1.cc (t18): New function.
5131         * testsuite/two_file_test_2.cc (f18): New function.
5132         * testsuite/two_file_test_main.cc (main): Call t18.
5133         * testsuite/two_file_test.h (t18, f18): Declare.
5134
5135         * configure.ac: Don't test for objdump, c++filt, or readelf.
5136         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
5137         conditionals.
5138         (TEST_READELF): New variable.
5139         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
5140         (check_PROGRAMS): Add two_file_strip_test.
5141         (two_file_strip_test): New target.
5142         (check_PROGRAMS): Add two_file_same_shared_strip_test.
5143         (two_file_same_shared_strip_test_SOURCES): New variable.
5144         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
5145         (two_file_same_shared_strip_test_LDFLAGS): New variable.
5146         (two_file_same_shared_strip_test_LDADD): New variable.
5147         (two_file_shared_strip.so): New target.
5148         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
5149         (ver_test_5.syms, ver_test_7.syms): Likewise.
5150         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
5151         (strip_test_3.stdout): Use TEST_OBJDUMP.
5152         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
5153
5154 2008-04-04  Cary Coutant  <ccoutant@google.com>
5155
5156         * symtab.h (Symbol::is_weak_undefined): New function.
5157         (Symbol::is_strong_undefined): New function.
5158         (Symbol::is_absolute): New function.
5159         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
5160         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
5161         absolute symbols.
5162         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
5163         (weak_undef_test): New target.
5164         * testsuite/Makefile.in: Rebuild.
5165         * testsuite/weak_undef_file1.cc: New file.
5166         * testsuite/weak_undef_file2.cc: New file.
5167         * testsuite/weak_undef_test.cc: New file.
5168
5169 2008-04-03  Craig Silverstein  <csilvers@google.com>
5170
5171         * compressed_output.h (class Output_compressed_section): Use
5172         unsigned buffer.
5173         * compressed_output.cc (zlib_compress): Use unsigned buffers,
5174         add zlib header.
5175         (zlib_compressed_suffix): Removed.
5176         (Output_compressed_section::set_final_data_size): Use unsigned
5177         buffers.
5178         * testsuite/Makefile.am (flagstest_compress_debug_sections):
5179         Fix linker invocation.
5180         (flagstest_o_specialfile_and_compress_debug_sections):
5181         Likewise.
5182         * testsuite/Makefile.in: Regenerated.
5183
5184 2008-04-02  David S. Miller  <davem@davemloft.net>
5185
5186         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
5187         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
5188
5189 2008-04-02  Craig Silverstein  <csilvers@google.com>
5190
5191         * TODO: New file.
5192
5193 2008-04-02  Ian Lance Taylor  <iant@google.com>
5194
5195         * fileread.cc (File_read::find_view): Add byteshift and vshifted
5196         parameters.  Update for new key type to views_.  Change all
5197         callers.
5198         (File_read::read): Adjust for byteshift in returned view.
5199         (File_read::add_view): New function, broken out of
5200         find_and_make_view.
5201         (File_read::make_view): New function, broken out of
5202         find_and_make_view.
5203         (File_read::find_or_make_view): Add offset and aligned
5204         parameters.  Rewrite accordingly.  Change all callers.
5205         (File_read::get_view): Add offset and aligned parameters.  Adjust
5206         for byteshift in return value.
5207         (File_read::get_lasting_view): Likewise.
5208         * fileread.h (class File_read): Update declarations.
5209         (class File_read::View): Add byteshift_ field.  Add byteshift to
5210         constructor.  Add byteshift method.
5211         * archive.h (Archive::clear_uncached_views): New function.
5212         (Archive::get_view): Add aligned parameter.  Change all callers.
5213         * object.h (Object::get_view): Add aligned parameter.  Change all
5214         callers.
5215         (Object::get_lasting_view): Likewise.
5216
5217         * fileread.cc (File_read::release): Don't call clear_views if
5218         there are multiple objects.
5219         * fileread.h (File_read::clear_uncached_views): New function.
5220         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
5221         on the archive.
5222
5223 2008-03-31  Cary Coutant  <ccoutant@google.com>
5224
5225         Add thin archive support.
5226         * archive.cc (Archive::armagt): New const.
5227         (Archive::setup): Remove task parameter and calls to unlock.
5228         (Archive::unlock_nested_archives): New function.
5229         (Archive::read_header): Add nested_off parameter. Change
5230         all callers.
5231         (Archive::interpret_header): Likewise.
5232         (Archive::include_all_members): Change to handle thin
5233         archives.
5234         (Archive::include_member): Likewise.
5235         * archive.h (Archive::Archive): Add new parameters and
5236         initializers.
5237         (Archive::armagt): New const.
5238         (Archive::setup): Remove task parameter.
5239         (Archive::unlock_nested_archives): New function.
5240         (Archive::read_header): Add nested_off parameter.
5241         (Archive::interpret_header): Likewise.
5242         (Archive::Nested_archive_table): New typedef.
5243         (Archive::is_thin_archive_): New field.
5244         (Archive::nested_archives_): New field.
5245         (Archive::options_): New field.
5246         (Archive::dirpath_): New field.
5247         (Archive::task_): New field.
5248         * readsyms.cc (Read_symbols::do_read_symbols): Add check
5249         for thin archives.  Pass additional parameters to
5250         Archive::Archive.  Unlock the archive file after calling
5251         Archive::setup.
5252
5253 2008-03-29  Ian Lance Taylor  <iant@google.com>
5254
5255         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
5256         version symbol to be local.
5257         * testsuite/ver_test_4.sh: New file.
5258         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
5259         (check_DATA): Add ver_test_4.syms.
5260         (ver_test_4.syms): New target.
5261         * testsuite/Makefile.in: Rebuild.
5262
5263         * output.cc
5264         (Output_section::Input_section_sort_entry::has_priority): New
5265         function.
5266         (Output_section::Input_section_sort_entry::match_file_name): New
5267         function.
5268         (Output_section::Input_section_sort_entry::match_section_name):
5269         Remove.
5270         (Output_section::Input_section_sort_entry::match_section_name_prefix):
5271         Remove.
5272         (Output_section::Input_section_sort_entry::match_section_file):
5273         Remove.
5274         (Output_section::Input_section_sort_compare::operator()): Rewrite
5275         using new Input_section_sort_entry functions.  Sort crtbegin and
5276         crtend first.  Sort sections with no priority before sections with
5277         a priority.
5278         * testsuite/initpri1.c (d3): Check j != 4.
5279         (cd5): New constructor/destructor function.
5280         (main): Check j != 2.
5281
5282         * symtab.cc (Symbol_table::add_from_object): If we don't use the
5283         new symbol when resolving, don't call set_is_default.
5284         * testsuite/ver_test_7.cc: New file.
5285         * testsuite/ver_test_7.sh: New file.
5286         * testsuite/Makefile.am (ver_test_7.so): New target.
5287         (ver_test_7.o): New target.
5288         (check_SCRIPTS): Add ver_test_7.sh.
5289         (check_DATA): Add ver_test_7.syms.
5290         (ver_test_7.syms): New target.
5291
5292 2008-03-28  Ian Lance Taylor  <iant@google.com>
5293
5294         * layout.cc (Layout::layout): If we see an input section with a
5295         name that needs sorting, set the must_sort flag for the output
5296         section.
5297         (Layout::make_output_section): If the name of the output section
5298         indicates that it might require sorting, set the may_sort flag.
5299         * output.h (Output_section::may_sort_attached_input_sections): New
5300         function.
5301         (Output_section::set_may_sort_attached_input_sections): New
5302         function.
5303         (Output_section::must_sort_attached_input_sections): New
5304         function.
5305         (Output_section::set_must_sort_attached_input_sections): New
5306         function.
5307         (class Output_section): Declare Input_section_sort_entry.  Define
5308         Input_section_sort_compare.  Declare
5309         sort_attached_input_sections.  Add new fields:
5310         may_sort_attached_input_sections_,
5311         must_sort_attached_input_sections_,
5312         attached_input_sections_are_sorted_.
5313         * output.cc (Output_section::Output_section): Initialize new
5314         fields.
5315         (Output_section::add_input_section): Add an entry to
5316         input_sections_ if may_sort or must_sort are true.
5317         (Output_section::set_final_data_size): Call
5318         sort_attached_input_sections if necessary.
5319         (Output_section::Input_section_sort_entry): Define new class.
5320         (Output_section::Input_section_sort_compare::operator()): New
5321         function.
5322         (Output_section::sort_attached_input_sections): New function.
5323         * configure.ac: Check whether the compiler supports constructor
5324         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
5325         * testsuite/initpri1.c: New file.
5326         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
5327         CONSTRUCTOR_PRIORITY.
5328         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
5329         (initpri1_LDFLAGS): New variable.
5330         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
5331
5332 2008-03-27  Ian Lance Taylor  <iant@google.com>
5333
5334         * common.cc (Sort_commons::operator): Correct sorting algorithm.
5335         * testsuite/common_test_1.c: New file.
5336         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
5337         (common_test_1_SOURCES): New variable.
5338         (common_test_1_DEPENDENCIES): New variable.
5339         (common_test_1_LDFLAGS): New variable.
5340
5341         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
5342         and commons_ correctly when NAME/VERSION does not override
5343         NAME/NULL.
5344         * testsuite/ver_test_6.c: New file.
5345         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
5346         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
5347         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
5348
5349 2008-03-26  Ian Lance Taylor  <iant@google.com>
5350
5351         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
5352         of an undefined symbol from a version script.
5353         * testsuite/Makefile.am (ver_test_5.so): New target.
5354         (ver_test_5.o): New target.
5355         (check_SCRIPTS): Add ver_test_5.sh.
5356         (check_DATA): Add ver_test_5.syms.
5357         (ver_test_5.syms): New target.
5358         * testsuite/ver_test_5.cc: New file.
5359         * testsuite/ver_test_5.script: New file.
5360         * testsuite/ver_test_5.sh: New file.
5361         * Makefile.in, testsuite/Makefile.in: Rebuild.
5362
5363         PR gold/5986
5364         Fix problems building gold with gcc 4.3.0.
5365         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
5366         (gold_error_at_location, gold_warning_at_location): Use it.
5367         * configure.ac: Check whether we can compile and use a template
5368         function with a printf attribute.
5369         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
5370         when jumping over bytes.
5371         * object.cc: Instantiate Object::read_section_data.
5372         * debug.h: Include <cstring>
5373         * dwarf_reader.cc: Include <algorithm>
5374         * main.cc: Include <cstring>.
5375         * options.cc: Include <cstring>.
5376         * output.cc: Include <cstring>.
5377         * script.cc: Include <cstring>.
5378         * script.h: Include <string>.
5379         * symtab.cc: Include <cstring> and <algorithm>.
5380         * target-select.cc: Include <cstring>.
5381         * version.cc: Include <string>.
5382         * testsuite/testmain.cc: Include <cstdlib>.
5383         * configure, config.in: Rebuild.
5384
5385 2008-03-25  Ian Lance Taylor  <iant@google.com>
5386
5387         * options.cc: Include "../bfd/bfdver.h".
5388         (options::help): Print bug reporting address.
5389
5390         * version.cc (print_version): Adjust output for current value of
5391         BFD_VERSION_STRING.
5392
5393         * NEWS: New file.
5394
5395         * options.cc (options::help): Print list of supported targets.
5396         * target-select.h: Include <vector>.
5397         (class Target_selector): Make machine_, size_, and is_big_endian_
5398         fields const.  Add bfd_name_ and instantiated_target_ fields.
5399         (Target_selector::Target_selector): Add bfd_name parameter.
5400         (Target_selector::recognize): Make non-virtual, call
5401         do_recognize.
5402         (Target_selector::recognize_by_name): Make non-virtual, call
5403         do_recognize_by_name.
5404         (Target_selector::supported_names): New function.
5405         (Target_selector::bfd_name): New function.
5406         (Target_selector::do_instantiate_target): New pure virtual
5407         function.
5408         (Target_selector::do_recognize): New virtual function.
5409         (Target_selector::do_recognize_by_name): New virtual function.
5410         (Target_selector::instantiate_target): New private function.
5411         (supported_target_names): Declare.
5412         * target-select.cc (Target_selector::Target_selector): Update for
5413         new parameter and fields.
5414         (select_target_by_name): Check that the name matches before
5415         calling recognize_by_name.
5416         (supported_target_names): New function.
5417         * i386.cc (class Target_selector_i386): Update Target_selector
5418         constructor call.  Remove recognize and recognize_by_name.  Add
5419         do_instantiate_target.
5420         * x86_64.cc (class Target_selector_x86_64): Likewise.
5421         * testsuite/testfile.cc (class Target_selector_test): Update for
5422         changes to Target_selector.
5423
5424         * README: Rewrite, with some notes on unsupported features.
5425
5426 2008-03-24  Cary Coutant  <ccoutant@google.com>
5427
5428         * i386.cc (Target_i386::Got_type): New enum declaration.
5429         (Target_i386::Scan::local): Updated callers of Output_data_got
5430         member functions.
5431         (Target_i386::Scan::global): Likewise.
5432         (Target_i386::Relocate::relocate): Likewise.
5433         (Target_i386::Relocate::relocate_tls): Likewise.
5434         * object.h (Got_offset_list): New class.
5435         (Sized_relobj::local_has_got_offset): Added got_type parameter.
5436         (Sized_relobj::local_got_offset): Likewise.
5437         (Sized_relobj::set_local_got_offset): Likewise.
5438         (Sized_relobj::local_has_tls_got_offset): Removed.
5439         (Sized_relobj::local_tls_got_offset): Removed.
5440         (Sized_relobj::set_local_tls_got_offset): Removed.
5441         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
5442         * output.cc (Output_data_got::add_global): Added got_type parameter.
5443         (Output_data_got::add_global_with_rel): Likewise.
5444         (Output_data_got::add_global_with_rela): Likewise.
5445         (Output_data_got::add_global_pair_with_rel): New function.
5446         (Output_data_got::add_global_pair_with_rela): New function.
5447         (Output_data_got::add_local): Added got_type parameter.
5448         (Output_data_got::add_local_with_rel): Likewise.
5449         (Output_data_got::add_local_with_rela): Likewise.
5450         (Output_data_got::add_local_pair_with_rel): New function.
5451         (Output_data_got::add_local_pair_with_rela): New function.
5452         (Output_data_got::add_global_tls): Removed.
5453         (Output_data_got::add_global_tls_with_rel): Removed.
5454         (Output_data_got::add_global_tls_with_rela): Removed.
5455         (Output_data_got::add_local_tls): Removed.
5456         (Output_data_got::add_local_tls_with_rel): Removed.
5457         (Output_data_got::add_local_tls_with_rela): Removed.
5458         * output.h (Output_data_got::add_global): Added got_type parameter.
5459         (Output_data_got::add_global_with_rel): Likewise.
5460         (Output_data_got::add_global_with_rela): Likewise.
5461         (Output_data_got::add_global_pair_with_rel): New function.
5462         (Output_data_got::add_global_pair_with_rela): New function.
5463         (Output_data_got::add_local): Added got_type parameter.
5464         (Output_data_got::add_local_with_rel): Likewise.
5465         (Output_data_got::add_local_with_rela): Likewise.
5466         (Output_data_got::add_local_pair_with_rel): New function.
5467         (Output_data_got::add_local_pair_with_rela): New function.
5468         (Output_data_got::add_global_tls): Removed.
5469         (Output_data_got::add_global_tls_with_rel): Removed.
5470         (Output_data_got::add_global_tls_with_rela): Removed.
5471         (Output_data_got::add_local_tls): Removed.
5472         (Output_data_got::add_local_tls_with_rel): Removed.
5473         (Output_data_got::add_local_tls_with_rela): Removed.
5474         * resolve.cc (Symbol::override_base_with_special): Removed
5475         reference to has_got_offset_ field.
5476         * symtab.cc (Symbol::init_fields): Replaced initialization
5477         of got_offset_ with got_offsets_.  Removed initialization
5478         of has_got_offset_
5479         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
5480         (Symbol::got_offset): Likewise.
5481         (Symbol::set_got_offset): Likewise.
5482         (Symbol::has_tls_got_offset): Removed.
5483         (Symbol::tls_got_offset): Removed.
5484         (Symbol::set_tls_got_offset): Removed.
5485         (Symbol::got_offset_): Removed.
5486         (Symbol::tls_mod_got_offset_): Removed.
5487         (Symbol::tls_pair_got_offset_): Removed.
5488         (Symbol::got_offsets_): New field.
5489         (Symbol::has_got_offset): Removed.
5490         (Symbol::has_tls_mod_got_offset): Removed.
5491         (Symbol::has_tls_pair_got_offset): Removed.
5492         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
5493         (Target_x86_64::Scan::local): Updated callers of Output_data_got
5494         member functions.
5495         (Target_x86_64::Scan::global): Likewise.
5496         (Target_x86_64::Relocate::relocate): Likewise.
5497         (Target_x86_64::Relocate::relocate_tls): Likewise.
5498
5499 2008-03-25  Ben Elliston  <bje@au.ibm.com>
5500
5501         * yyscript.y: Fix spelling error in comment.
5502
5503 2008-03-24  Ian Lance Taylor  <iant@google.com>
5504
5505         * options.h (class General_options): Define build_id option.
5506         * layout.h (class Layout): Declare write_build_id, create_note,
5507         create_build_id.  Add build_id_note_ member.
5508         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
5509         "libiberty.h", "md5.h", "sha1.h".
5510         (Layout::Layout): Initialize eh_frame_data_,
5511         eh_frame_hdr_section_, and build_id_note_.
5512         (Layout::finalize): Call create_build_id.
5513         (Layout::create_note): New function, broken out of
5514         Layout::create_gold_note.
5515         (Layout::create_gold_note): Call create_note.
5516         (Layout::create_build_id): New function.
5517         (Layout::write_build_id): New function.
5518         (Close_task_runner::run): Call write_build_id.
5519
5520         * x86_64.cc: Correct license to GPLv3.
5521
5522 2008-03-23  Ian Lance Taylor  <iant@google.com>
5523
5524         * options.cc: Include "demangle.h".
5525         (parse_optional_string): New function.
5526         (parse_long_option): Handle takes_optional_argument.
5527         (parse_short_option): Update dash_z initializer.  Handle
5528         takes_optional_argument.
5529         (General_options::General_options): Initialize do_demangle_.
5530         (General_options::finalize): Set do_demangle_.  Handle demangling
5531         style.
5532         * options.h (parse_optional_string): Declare.
5533         (struct One_option): Add optional_arg field.  Update constructor.
5534         Update call constructor calls.  Add takes_optional_argument
5535         function.
5536         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
5537         (DEFINE_optional_string): Define.
5538         (General_options::demangle): Change from DEFINE_bool to
5539         DEFINE_optional_string.
5540         (General_options::no_demangle): New function.
5541         (General_options::do_demangle): New function.
5542         (General_options::set_do_demangle): New function.
5543         (General_options::execstack_status_): Move definition to end of
5544         class definition.
5545         (General_options::static_): Likewise.
5546         (General_options::do_demangle_): New field.
5547         * object.cc (big_endian>::get_symbol_location_info): Call
5548         Options::do_demangle, not Options::demangle.
5549         * symtab.cc (demangle): Likewise.
5550
5551 2008-03-22  Ian Lance Taylor  <iant@google.com>
5552
5553         * gold.h: Include <cstddef> and <sys/types.h>
5554         * options.h: Include <cstring>.
5555
5556 2008-03-21  Ian Lance Taylor  <iant@google.com>
5557
5558         * Added source code to GNU binutils.