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* i386.cc (Target_i386::do_calls_non_split): Recognize
[pf3gnuchains/pf3gnuchains3x.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
6 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
7
8         * options.cc (General_options::parse_version): Make -v continue and do
9         the link like GNU ld does.
10
11 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
12
13         * Makefile.am (CCFILES): Add timer.cc.
14         (HFILES): Add timer.h.
15         * configure.ac: Check for sysconf and times.
16         * main.cc: include timer.h.
17         (main): Use Timer instead of get_run_time.
18         * timer.cc: New.
19         * timer.h: New.
20         * workqueue.cc: include timer.h.
21         (Workqueue::find_and_run_task):
22         Report user, sys and wall time.
23         * Makefile.in: Regenerate.
24         * config.in: Regenerate.
25         * configure: Regenerate.
26
27 2009-12-16  Doug Kwan  <dougkwan@google.com>
28
29         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
30         sections.
31         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
32         relaxed input sections.
33         * output.cc (Output_section::find_relaxed_input_section): Change
34         return type to Output_relaxed_input_section pointer.  Adjust code
35         for new type of relaxed_input_section_map_.
36         * output.h (Output_section::find_relaxed_input_section): Change
37         return type to Output_relaxed_input_section pointer.
38         (Output_section::Output_relaxed_input_section_by_input_section_map):
39         New type.
40         (Output_section::relaxed_input_section_map_): Change type to
41         Output_section::Output_relaxed_input_section_by_input_section_map.
42         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
43         input section.
44
45 2009-12-15  Ian Lance Taylor  <iant@google.com>
46
47         * layout.cc (Layout::create_shstrtab): Only write out after input
48         sections if we are compressing debug sections.
49
50 2009-12-15  Ian Lance Taylor  <iant@google.com>
51
52         * archive.cc (Archive::add_symbols): Only look up a symbol without
53         a version if there is, in fact, a version.
54
55 2009-12-14  Ian Lance Taylor  <iant@google.com>
56
57         Revert -Wshadow changes, all changes from:
58         2009-12-11  Doug Kwan  <dougkwan@google.com>
59         2009-12-11  Nick Clifton  <nickc@redhat.com>
60         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
61
62 2009-12-11  Doug Kwan  <dougkwan@google.com>
63
64         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
65         due to -Wshadow.
66         * attributes.cc (Object_attribute::size): Ditto.
67         (Attributes_section_data::size): Ditto.
68         (Attributes_section_data::Attributes_section_data): Ditto.
69         (Output_attributes_section_data::do_write): Ditto.
70         * attributes.h (Object_attribute::set_type): Ditto.
71         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
72
73 2009-12-11  Nick Clifton  <nickc@redhat.com>
74
75         * archive.cc: Fix shadowed variable warnings.
76         * arm.cc: Likewise.
77         * compressed_output.cc: Likewise.
78         * compressed_output.h: Likewise.
79         * configure: Likewise.
80         * dwarf_reader.cc: Likewise.
81         * dynobj.cc: Likewise.
82         * dynobj.h: Likewise.
83         * ehframe.cc: Likewise.
84         * ehframe.h: Likewise.
85         * errors.cc: Likewise.
86         * expression.cc: Likewise.
87         * fileread.cc: Likewise.
88         * fileread.h: Likewise.
89         * freebsd.h: Likewise.
90         * i386.cc: Likewise.
91         * icf.cc: Likewise.
92         * incremental.h: Likewise.
93         * layout.cc: Likewise.
94         * layout.h: Likewise.
95         * mapfile.cc: Likewise.
96         * merge.cc: Likewise.
97         * merge.h: Likewise.
98         * object.cc: Likewise.
99         * object.h: Likewise.
100         * options.h: Likewise.
101         * output.cc: Likewise.
102         * output.h: Likewise.
103         * parameters.cc: Likewise.
104         * plugin.cc: Likewise.
105         * powerpc.cc: Likewise.
106         * reduced_debug_output.cc: Likewise.
107         * reduced_debug_output.h: Likewise.
108         * reloc.cc: Likewise.
109         * reloc.h: Likewise.
110         * resolve.cc: Likewise.
111         * script-sections.cc: Likewise.
112         * script.cc: Likewise.
113         * script.h: Likewise.
114         * sparc.cc: Likewise.
115         * symtab.cc: Likewise.
116         * symtab.h: Likewise.
117         * target-select.cc: Likewise.
118         * target-select.h: Likewise.
119         * token.h: Likewise.
120         * workqueue.cc: Likewise.
121         * workqueue.h: Likewise.
122         * x86_64.cc: Likewise.
123
124 2009-12-10  Doug Kwan  <dougkwan@google.com>
125
126         * arm.cc (attributes.h): New include.
127         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
128         (Arm_relobj::~Arm_relobj): Delete object pointed by
129         attributes_section_data_.
130         (Arm_relobj::attributes_section_data): New method definition.
131         (Arm_relobj::attributes_section_data_): New data member declaration.
132         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
133         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
134         attributes_section_data_.
135         (Arm_dynobj::attributes_section_data): New method definition.
136         (Arm_dynobj::attributes_section_data_): New data member declaration.
137         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
138         initialization value of may_use_blx_ to false.
139         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
140         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
141         object attributes to compute results instead of hard-coding.
142         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
143         Target_arm::get_secondary_compatible_arch,
144         Target_arm::set_secondary_compatible_arch
145         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
146         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
147         New method declarations.
148         (Target_arm::get_aeabi_object_attribute): New method definition.
149         (Target_arm::attributes_section_data_): New data member declaration.
150         (read_arm_attributes_section): New template definition.
151         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
152         (Arm_dynobj::do_read_symbols): Ditto.
153         (Target_arm::do_finalize_sections): Merge attributes sections from
154         input.  Check for BLX use after attributes section merging.
155         Fix __exidx_start and __exidx_end visibility.  Create an
156         .ARM.attributes section if necessary.
157         (Target_arm::get_secondary_compatible_arch,
158         Target_arm::set_secondary_compatible_arch,
159         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
160         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
161         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order): 
162         New method definitions.
163
164 2009-12-09  Ian Lance Taylor  <iant@google.com>
165
166         * plugin.cc (Plugin::load): Don't cast from void* to a function
167         pointer.
168
169 2009-12-09  Ian Lance Taylor  <iant@google.com>
170
171         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
172         information fields.
173
174 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
175
176         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
177         Replace two_file_shared_1.so with two_file_shared_2.so.
178         * testsuite/Makefile.in: Regenerated.
179
180 2009-12-08  Doug Kwan  <dougkwan@google.com>
181
182         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
183         (HFILES): Add attributes.h and int_encoding.h.
184         * Makefile.in: Regenerate.
185         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
186         function definitions to int_encoding.cc
187         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
188         prototypes to int_encoding.h
189         * reduced_debug_output.cc (int_encoding.h): New include.
190         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
191         function definitions to int_encoding.cc
192         (insert_into_vector, read_from_pointer): Move template definitions to
193         int_encoding.h
194         * attributes.cc: New file.
195         * attributes.h: New file.
196         * int_encoding.cc: New file.
197         * int_encoding.h: New file.
198
199 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
200
201         PR gold/11055
202         * incremental-dump.cc (dump_incremental_inputs): New.
203         (main): Use dump_incremental_inputs.
204
205 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
206
207         PR gold/10893
208         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
209         checking elfcpp::STT_FUNC.
210         (Target_i386::Relocate::relocate): Likewise.
211         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
212
213         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
214         symbols from shared libraries into normal FUNC symbols.
215
216         * symtab.h (Symbol): Add is_func and use it.
217
218 2009-12-05  Doug Kwan  <dougkwan@google.com>
219
220         * arm.cc (Target_arm::arm_info): Initialize new fields
221         attributes_section and attributes_vendor.
222         * i386.cc (Target_i386::i386_info): Same.
223         * object.cc (Sized_relobj::do_layout): Skip attribute section.
224         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
225         fields attributes_section and attributes_vendor.
226         * sparc.cc (Target_sparc::sparc_info): Same.
227         * target.h (Target::attributes_section, Target::attributes_vendor,
228         Target::is_attributes_section, Target::attribute_arg_type,
229         Target::attributes_order): New method definitions.
230         (Target::Target_info::attributes_section,
231         Target::Target_info::attributes_vendor): New fields.
232         (Target::do_attribute_arg_type, Target::do_attributes_order): New
233         virtual method definitions.
234         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
235         attributes_section and attributes_vendor.
236         * testsuite/testfile.cc (Target_test::test_target_info): Same.
237
238 2009-12-05  Doug Kwan  <dougkwan@google.com>
239
240         * arm.cc: Update comments about interworking and stub generation.
241         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
242         considered as non-PIC.
243         (Arm_relocate_functions::base_abs): Fix formatting.
244         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
245         of function to use GOT entry address instead of offset.
246         (Target_arm::Scan::global): Issue an error if a symbol would need a
247         PLT does not get one because it is untyped.  Remove code to create
248         dynamic symbols for relative branches.
249         (Target_arm::Relocate::relocate: Use 0 instead of false since function
250         takes unsigned integer instead of boolean.
251
252 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
253
254         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
255         (two_file_test_LDADD): Likewise.
256         (common_test_1_LDADD): Likewise.
257         (exception_test_LDADD) Likewise.
258         (weak_test_LDADD): Likewise.
259         (many_sections_test_LDADD): Likewise.
260         (initpri1_LDADD): Likewise.
261         (script_test_1_LDADD): Likewise.
262         (script_test_2_LDADD): Likewise.
263         (justsyms_LDADD): Likewise.
264         (binary_test_LDADD): Likewise.
265         (large_LDADD): Likewise.
266         * testsuite/Makefile.in: Regenerated.
267
268 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
269
270         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
271         (Symbol_table::override_with_special): Likewise.
272         (Symbol_table::add_from_object): Likewise.
273
274 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
275
276         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
277         Don't set the data_offset twice.
278
279 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
280
281         * testsuite/Makefile.in: Regenerate.
282
283 2009-12-03  Doug Kwan  <dougkwan@google.com>
284
285         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
286         (Target_arm::do_finalize_sections): Add parameter for symbol table
287         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
288         * i386.cc (Target_i386::do_finalize_sections): Add an additional
289         parameter for symbol table pointer.
290         * layout.cc (Layout::finalize): Call Target::finalize_sections with
291         an additional parameter for a pointer to symbol table.
292         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
293         parameter for a symbol table pointer.
294         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
295         * target.h (Target::finalize_sections, Target::do_finalize_sections):
296         Ditto.
297         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
298         parameter for a symbol table pointer.
299
300 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
301
302         * incremental.cc (Incremental_inputs_header)
303         (Incremental_inputs_header_write, Incremental_inputs_entry)
304         (Incremental_inputs_entry_write): Move ...
305         * incremental.h (Incremental_inputs_header)
306         (Incremental_inputs_header_write, Incremental_inputs_entry)
307         (Incremental_inputs_entry_write): here.
308
309 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
310
311         * incremental.cc (make_sized_incremental_binary): Set the target.
312         Error if it is incompatible.
313         * output.h (Output_file): Add filename method.
314
315 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
316
317         * incremental.cc (Incremental_inputs_entry): Remove unused argument
318         from the get_* methods.
319
320 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
321
322         * incremental-dump.cc (main): Check that the offeset of a script is 0.
323         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
324         Write 0 for the data_offset of scripts.
325
326 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
327
328         * testsuite/Makefile.am: Add the incremental_test.sh test.
329         * testsuite/incremental_test.sh: New.
330         * testsuite/incremental_test_1.c: New.
331         * testsuite/incremental_test_2.c: New.
332
333 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
334
335        * incremental-dump.cc (main): Fix typos.
336
337 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
338
339         PR gold/11025
340         * incremental-dump.cc (main): Use llu to print 64 bit values.
341
342 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
343             H.J. Lu  <hongjiu.lu@intel.com>
344
345         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
346         $(LIBDL).
347         (incremental_dump_LDADD): Likewise.
348         * Makefile.in: Regenerated.
349
350 2009-11-25  Doug Kwan  <dougkwan@google.com>
351         
352         Revert:
353
354         2009-11-25  Doug Kwan  <dougkwan@google.com>
355
356                 * arm.cc (Target_arm::Target_arm): Move method definition
357                 outside of class definition.  Add code to handle
358                 --target1-rel, --target1-abs and --target2= options.
359                 (Target_arm::get_reloc_reloc_type): Change method to be
360                 non-static and const.
361                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
362                 New data member declaration.
363                 (Target_arm::Scan::local, Target_arm::Scan::global,
364                 Target_arm::Relocate::relocate,
365                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
366                 Adjust call to Target_arm::get_real_reloc_type.
367                 (Target_arm::get_real_reloc_type): Use command line options
368                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
369                 * options.h (--target1-rel, --target1-abs, --target2): New
370                 ARM-only options.
371
372 2009-11-25  Doug Kwan  <dougkwan@google.com>
373
374         * arm.cc (Target_arm::Target_arm): Move method definition outside of
375         class definition.  Add code to handle --target1-rel, --target1-abs
376         and --target2= options.
377         (Target_arm::get_reloc_reloc_type): Change method to be non-static
378         and const.
379         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
380         member declaration.
381         (Target_arm::Scan::local, Target_arm::Scan::global,
382         Target_arm::Relocate::relocate,
383         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
384         call to Target_arm::get_real_reloc_type.
385         (Target_arm::get_real_reloc_type): Use command line options to
386         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
387         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
388         options.
389
390 2009-11-25  Doug Kwan  <dougkwan@google.com>
391
392         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
393         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
394         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
395         formatting.
396         (Arm_relocate_functions::thm_call): Replace body with a call to
397         Arm_relocate_functions::thumb_branch_common.
398         (Arm_relocate_functions::thm_jump24,
399         Arm_relocate_functions::thm_xpc22): New method definitions.
400         (Arm_relocate_functions::thumb_branch_common): New method definition.
401         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
402         operator.
403         (Target_arm::Relocate::relocate): Adjust call to thm_call.
404         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
405
406 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
407
408         * Makefile.am: Build incremental-dump
409         * Makefile.in: Regenerate.
410         * incremental-dump.cc: New.
411         * incremental.cc (Incremental_inputs_header_data,
412         Incremental_inputs_entry_data): Move to incremental.h
413         * incremental.h: (Incremental_inputs_header_data,
414         Incremental_inputs_entry_data): Move from incremental.cc
415
416 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
417
418         * incremental.cc (Incremental_inputs_header,
419         Incremental_inputs_header_write, Incremental_inputs_entry,
420         Incremental_inputs_entry_write): Add a typedef with the data type.
421
422 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
423
424         * incremental.cc (Incremental_inputs_header,
425         Incremental_inputs_header_write, Incremental_inputs_entry,
426         Incremental_inputs_entry_write): Update comment about which
427         type has the filed descriptions.
428
429 2009-11-15  Doug Kwan  <dougkwan@google.com>
430
431         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
432         (Arm_relocate_functions::arm_branch_common): Change method defintion
433         in class definition to a method declaration and update list of formal
434         parameters.
435         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
436         Arm_relocation_functions::jump24): Adjust call to
437         Arm_relocate_functions::arm_branch_common.  Update list of formal
438         parameters.
439         (Arm_relocate_functions::xpc25): New method definition.
440         (Arm_relocate_functions::arm_branch_common): Move method defintion
441         out from class definition.  Use stubs for mode-switching and extending
442         branch ranges.
443         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
444         specially.  Change code to enable use of stubs in ARM branches.
445
446 2009-11-10  Doug Kwan  <dougkwan@google.com>
447
448         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
449         in method declaration.
450         (Target_arm::relocate_stub): New method declaration.
451         (Target_arm::default_target): Change to return a pointer instead of
452         a const reference.
453         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
454         Target_arm::default_target.
455         (Arm_Relobj::do_relocate_sections): Remove options paramater in
456         method definition.
457         (Target_arm::relocate_section): Adjust view.
458         (Target_arm::relocate_stub): New method definition.
459
460 2009-11-10  Doug Kwan  <dougkwan@google.com>
461
462         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
463         a format warning.
464         * incremental.cc (open_incremental_binary): Initialized local
465         variables to avoid warnings.
466         * object.cc (make_elf_object): Ditto.
467         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
468         a format warning.
469  
470 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
471
472         PR gold/10930
473         * testsuite/plugin_test.c: Include "config.h".
474
475 2009-11-09  Doug Kwan  <dougkwan@google.com>
476
477         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
478         (arm_symbol_value): Remove.
479         (Arm_relocate_functions::arm_branch_common,
480         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
481         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
482         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
483         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
484         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
485         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
486         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
487         Arm_relocate_functions::thm_mobw_abs_nc,
488         Arm_relocate_functions::thm_mov_abs,
489         Arm_relocate_functions::movw_prel_nc,
490         Arm_relocate_functions::thm_movt_abs,
491         Arm_relocate_functions::movt_prel,
492         Arm_relocate_functions::thm_movw_prel_nc,
493         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
494         (Target_arm::Relocate::relocate): Only decompose address into two
495         parts if relocation type uses the thumb-bit and pass the actual
496         bit instead of a flag indicating that the thumb-bit is used.  Adjust
497         calls to methods in Arm_relocate_functions for this change.
498
499 2009-11-08  Ian Lance Taylor  <iant@google.com>
500
501         PR 10925
502         * reloc.cc: Instantiate
503         Sized_relobj::initialize_input_to_output_maps and
504         Sized_relobj:free_input_to_output_maps.
505
506 2009-11-06  Ian Lance Taylor  <iant@google.com>
507
508         PR 10876
509         * defstd.cc (in_segment): Set only_if_ref true for "end".
510
511 2009-11-06  Doug Kwan  <dougkwan@google.com>
512
513         * arm.cc (class Reloc_stub): Correct a comment.
514         (Target_arm::Target_arm): Initialize arm_input_section_map_.
515         (Target_arm::scan_section_for_stubs): New method declaration.
516         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
517         Change methods from private to protected.
518         (Target_arm::do_may_relax): New method definition.
519         (Target_arm::do_relax, Target_arm::group_sections,
520         Target_arm::scan_reloc_for_stub,
521         Target_arm::scan_reloc_section_for_stubs): New method declarations.
522         (Target_arm::arm_input_section_map_): New data member declaration.
523         (Target_arm::scan_reloc_for_stub,
524         Target_arm::scan_reloc_section_for_stubs,
525         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
526         Target_arm::do_relax): New method definitions.
527
528 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
529
530         * configure.ac: Check for (struct stat)::st_mtim
531         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
532         * config.in: Regenerate.
533         * configure: Regenerate.
534
535 2009-11-05  Ian Lance Taylor  <iant@google.com>
536
537         PR 10910
538         * output.cc (Output_segment::add_output_section): Add missing
539         return statement.
540
541 2009-11-04  Ian Lance Taylor  <iant@google.com>
542
543         PR 10880
544         * object.h (class Object): Add is_needed and set_is_needed
545         methods.  Add is_needed_ field.  Make bool fields into bitfields.
546         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
547         defined in a dynamic object and referenced by a regular object,
548         set is_needed for the dynamic object.
549         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
550         if the file is marked with as_needed and it is not needed.
551
552 2009-11-04  Ian Lance Taylor  <iant@google.com>
553
554         PR 10887
555         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
556         tags if data is discarded by linker script.
557         * i386.cc (Target_i386::do_finalize_sections): Likewise.
558         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
559         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
560         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
561
562 2009-11-04  Ian Lance Taylor  <iant@google.com>
563
564         * layout.cc (Layout::get_output_section): Add is_interp and
565         is_dynamic_linker_section parameters.  Change all callers.
566         (Layout::choose_output_section): Likewise.
567         (Layout::make_output_section): Likewise.
568         (Layout::add_output_section_data): Add is_dynamic_linker_section
569         parameter.  Change all callers.
570         * layout.h (class Layout): Update declarations.
571         * output.h (class Output_section): Add is_interp, set_is_interp,
572         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
573         Add is_interp_, is_dynamic_linker_section_ fields.  Change
574         generate_code_fills_at_write_ to a bitfield.
575         * output.cc (Output_section::Output_sections): Initialize new
576         fields.
577         (Output_segment::add_output_section): Add do_sort parameter.
578         Change all callers.
579
580 2009-11-03  Ian Lance Taylor  <iant@google.com>
581
582         PR 10860
583         * options.h (class General_options): Add --warn-common.
584         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
585         merging two common symbols.
586         (Symbol_table::should_override): Handle --warn-common when merging
587         a common symbol with a defined symbol.  Use report_resolve_problem
588         for multiple definitions.
589         (Symbol_table::report_resolve_problem): New function.
590         * symtab.h (class Symbol_table): Declare report_resolve_problem.
591
592 2009-11-03  Doug Kwan  <dougkwan@google.com>
593
594         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
595         stub_factory_.
596         (Target_arm::stub_factory): New method definition.
597         (Target_arm::new_arm_input_section,
598         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
599         Target_arm::reloc_uses_thumb_bit): New method declarations.
600         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map): 
601         New type definitions.
602         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
603         member declarations.
604         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
605         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
606         New method definitions.
607
608 2009-11-03  Ian Lance Taylor  <iant@google.com>
609
610         * options.h (class General_options): Add --warn_constructors.
611
612 2009-11-03  Ian Lance Taylor  <iant@google.com>
613
614         PR 10893
615         * defstd.cc (in_section): Add entries for __rel_iplt_start,
616         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
617
618 2009-11-03  Ian Lance Taylor  <iant@google.com>
619
620         PR 10895
621         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
622         --msgid-bugs-address.
623         (install-pdf): New target.
624         (install-data_yes): Look up one directory to find mkinstalldirs.
625
626 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
627
628         * po/Make-in (.po.gmo): Don't generate .gmo files in source
629         tree.
630
631 2009-10-30  Doug Kwan  <dougkwan@google.com>
632
633         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
634
635 2009-10-30  Doug Kwan  <dougkwan@google.com>
636
637         * arm.cc (Stub_addend_reader): New struct template definition
638         and partial specializations.
639         (Stub_addend_reader::operator()): New method definition for a
640         partially specialized template.
641
642 2009-10-30  Doug Kwan  <dougkwan@google.com>
643
644         * arm.cc (Arm_relobj::processor_specific_flags): New method
645         definition.
646         (Arm_relobj::do_read_symbols): New method declaration.
647         (Arm_relobj::processor_specific_flags_): New data member declaration.
648         (Arm_dynobj): New class definition.
649         (Target_arm::do_finalize_sections): Add input_objects parameter.
650         (Target_arm::do_adjust_elf_header): New method declaration.
651         (Target_arm::are_eabi_versions_compatible,
652         (Target_arm::merge_processor_specific_flags): New method declaration.
653         (Target_arm::do_make_elf_object): New overloaded method definitions
654         and declaration.
655         (Arm_relobj::do_read_symbols): New method definition.
656         (Arm_dynobj::do_read_symbols): Ditto.
657         (Target_arm::do_finalize_sections): Add input_objects parameters.
658         Merge processor-specific flags from all input objects.
659         (Target_arm::are_eabi_versions_compatible,
660         Target_arm::merge_processor_specific_flags,
661         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
662         New method definitions.
663         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
664         Input_objects pointer type parameter.
665         * layout.cc (Layout::finalize): Pass input objects to target's.
666         finalize_sections function.
667         * output.cc (Output_file_header::do_sized_write): Set ELF file
668         header's processor-specific flags.
669         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
670         Input_objects pointer type parameter.
671         * sparc.cc (Target_sparc::do_finalize_sections): Same.
672         * target.h (Input_objects): New forward class declaration.
673         (Target::processor_specific_flags,
674         Target::are_processor_specific_flags_sect): New method definitions.
675         (Target::finalize_sections): Add input_objects parameter.
676         (Target::Target): Initialize processor_specific_flags_ and
677         are_processor_specific_flags_set_.
678         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
679         parameter.
680         (Target::set_processor_specific_flags): New method definition.
681         (Target::processor_specific_flags_,
682         Target::are_processor_specific_flags_set_): New data member
683         declarations.
684         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
685         Input_objects pointer type parameter.
686
687 2009-10-30  Doug Kwan  <dougkwan@google.com>
688
689         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
690
691 2009-10-28  Ian Lance Taylor  <iant@google.com>
692
693         * object.h (class Relobj): Drop options parameter from
694         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
695         do_scan_relocs, do_relocate.  Change all callers.
696         (class Sized_relobj): Drop options parameters from
697         do_gc_process_relocs, do_scan_relocs, do_relocate,
698         do_relocate_sections, relocate_sections, emit_relocs_scan,
699         emit_relocs_scan_reltype.  Change all callers.
700         (struct Relocate_info): Remove options field and all references to
701         it.
702         * reloc.h (class Read_relocs): Remove options constructor
703         parameter and options_ field.  Change all callers.
704         (class Gc_process_relocs, class Scan_relocs): Likewise.
705         (class Relocate_task): Likewise.
706         * target-reloc.h (scan_relocs): Remove options parameter.  Change
707         all callers.
708         (scan_relocatable_relocs): Likewise.
709         * target.h (class Sized_target): Remove options parameter from
710         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
711         all callers.
712         * gc.h (gc_process_relocs): Remove options parameter.  Change all
713         callers.
714         * arm.cc: Update functions to remove options parameters.
715         * i386.cc: Likewise.
716         * powerpc.cc: Likewise.
717         * sparc.cc: Likewise.
718         * x86_64.cc: Likewise.
719         * testsuite/testfile.cc: Likewise.
720
721 2009-10-28  Doug Kwan  <dougkwan@google.com>
722
723         * arm.cc (Arm_relobj): New class definition.
724         (Arm_relobj::scan_sections_for_stubs, 
725         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
726         New method definitions.
727
728 2009-10-28  Cary Coutant  <ccoutant@google.com>
729
730         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
731         (Plugin::cleanup_done_): New member.
732         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
733         (Plugin_manager::cleanup_done_): Remove.
734         (Plugin_manager::add_input_file): Edit error message.
735         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
736         (Plugin_manager::cleanup): Remove use of cleanup_done_.
737
738 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
739
740         * fileread.cc: (File_read::View::~View): Use the new
741         data_ownership_ filed.
742         (File_read::~File_read): Dispose the new whole_file_view_.
743         (File_read::open): Mmap the whole file if needed.
744         (File_read::open): Use whole_file_view_ instead of contents_.
745         (File_read::find_view): Use whole_file_view_ if applicable.
746         (File_read::do_read): Use whole_file_view_ instead of contents_.
747         (File_read::make_view): Use whole_file_view_ instead of contents_,
748         update File_read::View::View call.
749         (File_read::find_or_make_view): Update File_read::View::View
750         call.
751         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
752         remove contents_
753         (File_read::View::Data_ownership): New enum.
754         (File_read::View::View): Replace bool mapped_ with Data_ownership
755         argument.
756         (File_read::View::mapped_): Remove (replaced by data_ownership_).
757         (File_read::View::data_ownership_): New field.
758         (File_read::contents_): Remove (replaced by whole_file_view_).
759         (File_read::whole_file_view_): New field.
760         * options.h (class General_options): Add --keep-files-mapped.
761
762 2009-10-27  Cary Coutant  <ccoutant@google.com>
763
764         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
765         * testsuite/Makefile.am (plugin_test_5): New test case.
766         * testsuite/Makefile.in: Regenerate.
767
768 2009-10-25  Doug Kwan  <dougkwan@google.com>
769
770         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
771         from private to protected to allow access by child class.
772         (Sized_relobj::do_relocate_sections): New method declaration.
773         (Sized_relobj::relocate_sections): Virtualize.
774         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from 
775         Sized_relobj::relocate_sections.  Instantiate template explicitly
776         for different target sizes and endianity.
777
778 2009-10-24  Doug Kwan  <dougkwan@google.com>
779
780         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
781         (Arm_input_section::as_arm_input_section): New method.
782         (Arm_output_section): New class definition.
783         (Arm_output_section::create_stub_group,
784         Arm_output_section::group_sections): New method definitions.
785
786 2009-10-22  Doug Kwan  <dougkwan@google.com>
787
788         * arm.cc (Arm_input_section): New class definition.
789         (Arm_input_section::init, Arm_input_section:do_write,
790         Arm_input_section::set_final_data_size,
791         Arm_input_section::do_reset_address_and_file_offset): New method
792         definitions.
793
794 2009-10-21  Doug Kwan  <dougkwan@google.com>
795
796         * arm.cc (Stub_table, Arm_input_section): New forward class
797         declarations.
798         (Stub_table): New class defintion.
799         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
800         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
801         New method definition.
802
803 2009-10-21  Doug Kwan  <dougkwan@google.com>
804
805         * arm.cc: Update copyright comments.
806         (Target_arm): New forward class template declaration.
807         (Arm_address): New type.
808         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
809         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
810         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
811         constants.
812         (Insn_template): Same.
813         (DEF_STUBS): New macro.
814         (Stub_type): New enum type.
815         (Stub_template): New class definition.
816         (Stub): Same.
817         (Reloc_stub): Same.
818         (Stub_factory): Same.
819         (Target_arm::Target_arm): Initialize may_use_blx_ and
820         should_force_pic_veneer_.
821         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
822         Target_arm::should_force_pic_veneer,
823         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
824         Target_arm::using_thumb_only, Target_arm:;default_target): New
825         method defintions.
826         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
827         New data member declarations.
828         (Insn_template::size, Insn_template::alignment): New method defintions.
829         (Stub_template::Stub_template): New method definition.
830         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
831         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
832         (Stub_factory::Stub_factory): New method definition.
833         * gold.h (string_hash): New template.
834         * output.h (Input_section_specifier::hash_value): Use
835         gold::string_hash.
836         (Input_section_specifier::string_hash): Remove.
837         * stringpool.cc (Stringpool_template::string_hash): Use
838         gold::string_hash.
839
840 2009-10-20  Doug Kwan  <dougkwan@google.com>
841
842         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
843         symbols of relaxed input sections.
844         * output.h (Output_section::find_relaxed_input_section): Make
845         method public.
846
847 2009-10-16  Doug Kwan  <dougkwan@google.com>
848
849         * dynobj.cc (Versions::Versions): Initialize version_script_.
850         Only insert base version symbol definition for a shared object
851         if version script defines any version versions.
852         (Versions::define_base_version): New method definition.
853         (Versions::add_def): Check that base version is not needed.
854         (Versions::add_need): Define base version lazily.
855         * dynobj.h (Versions::define_base_version): New method declaration.
856         (Versions::needs_base_version_): New data member declaration.
857         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
858         (check_DATA): Add no_version_test.stdout.
859         (libno_version_test.so, no_version_test.o no_version_test.stdout):
860         New make rules.
861         * testsuite/Makefile.in: Regenerate.
862         * testsuite/no_version_test.c: New file.
863         * testsuite/no_version_test.sh: Ditto.
864
865 2009-10-16  Doug Kwan  <dougkwan@google.com>
866
867         * expression.cc (class Segment_start_expression): New class definition.
868         (Segment_start_expression::value): New method definition.
869         (script_exp_function_segment_start): Return a new
870         Segment_start_expression.
871         * gold/script-c.h (script_saw_segment_start_expression): New function
872         prototype.
873         * script-sections.cc (Script_sections::Script_sections): Initialize
874         SAW_SEGMENT_START_EXPRESSION_ to false.
875         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
876         and -Tbbs options to specify section addresses if given in
877         command line and no SEGMENT_START expression is seen in a script.
878         * script-sections.h (Script_sections::saw_segment_start_expression,
879         Script_sections::set_saw_segment_start_expression): New method
880         definition.
881         (Script_sections::saw_segment_start_expression_): New data member
882         declaration.
883         * script.cc (script_saw_segment_start_expression): New function.
884         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
885         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
886         script_test_7.sh and script_test_8.sh.
887         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
888         script_test_8.stdout.
889         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
890         (script_test_6, script_test_6.stdout, script_test_7,
891         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
892         * Makefile.in: Regenerate.
893         * testsuite/script_test_6.sh: New file.
894         * testsuite/script_test_6.t: Same.
895         * testsuite/script_test_7.sh: Same.
896         * testsuite/script_test_7.t: Same.
897         * testsuite/script_test_8.sh: Same.
898
899 2009-10-16  Doug Kwan  <dougkwan@google.com>
900
901         * output.cc (Output_segment::set_section_list_address): Cast
902         expressions to unsigned long long type to avoid format warnings.
903
904 2009-10-15  Ian Lance Taylor  <iant@google.com>
905
906         * script.cc (Script_options::add_symbol_assignment): Always add a
907         dot assignment to script_sections_.
908         * script-sections.cc (Script_sections::add_dot_assignment):
909         Initialize if necessary.
910
911         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
912         program headers with no load segment if there is a linker script.
913
914         * layout.cc (Layout::set_segment_offsets): Align the file offset
915         to the segment aligment for -N or -n with no load segment.
916         * output.cc (Output_segment::add_output_section): Don't crash if
917         the first section is a TLS section.
918         (Output_segment::set_section_list_addresses): Print an error
919         message if the address moves backward in a linker script.
920         * script-sections.cc
921         (Output_section_element_input::set_section_addresses): Don't
922         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
923         (Orphan_output_section::set_section_addresses): Likewise.
924
925 2009-10-15  Doug Kwan  <dougkwan@google.com>
926
927         * layout.cc (Layout::finish_dynamic_section): Generate tags
928         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
929         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
930         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
931
932 2009-10-14  Ian Lance Taylor  <iant@google.com>
933
934         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
935         fields.
936         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
937         data_shdr fields of relinfo.
938         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
939         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
940         R_386_TLS_LDO_32, adjust based on section flags.
941         (Target_i386::Relocate::fix_up_ldo): Remove.
942
943 2009-10-13  Ian Lance Taylor  <iant@google.com>
944
945         Add support for -pie.
946         * options.h (class General_options): Add -pie and
947         --pic-executable.
948         (General_options::output_is_position_independent): Test -pie.
949         (General_options::output_is_executable): Return true if not shared
950         and not relocatable.
951         (General_options::output_is_pie): Remove.
952         * options.cc (General_options::finalize): Reject incompatible uses
953         of -pie.
954         * gold.cc (queue_middle_tasks): A -pie link is not static.
955         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
956         * symtab.cc (Symbol::final_value_is_known): Return false if
957         output_is_position_independent.
958         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
959         output_is_position_independent.
960         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
961         output_is_position_independent.
962         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
963         output_is_position_independent.
964         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
965         two_file_pie_test.
966         (basic_pie_test.o, basic_pie_test): New targets.
967         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
968         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
969         (two_file_pie_test): New target.
970         * testsuite/Makefile.in: Rebuild.
971         * README: Remove note saying that -pie is not supported.
972
973 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
974
975         * options.h (class General_options): Add -init and -fini.
976         * layout.cc (Layout::finish_dynamic_section): Emit
977         given init and fini functions.
978
979 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
980
981         * gc.h (gc_process_relocs): Check if icf is enabled using new
982         function.
983         * gold.cc (queue_initial_tasks): Likewise.
984         (queue_middle_tasks): Likewise.
985         * object.cc (do_layout): Likewise.
986         * symtab.cc (is_section_folded): Likewise.
987         * main.cc (main): Likewise.
988         * reloc.cc (Read_relocs::run): Likewise.
989         (Sized_relobj::do_scan_relocs): Likewise.
990         * icf.cc (is_function_ctor_or_dtor): New function.
991         (Icf::find_identical_sections): Check if function is ctor or dtor when
992         safe icf is chosen.
993         * options.h (General_options::icf): Change option to be an enum.
994         (Icf_status): New enum.
995         (icf_enabled): New method.
996         (icf_safe_folding): New method.
997         (set_icf_status): New method.
998         (icf_status_): New variable.
999         * (options.cc) (General_options::finalize): Set icf_status_.
1000         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
1001         icf_test and icf_keep_unique_test to use the --icf enum flag.
1002         * testsuite/icf_safe_test.sh: New file.
1003         * testsuite/icf_safe_test.cc: New file. 
1004
1005 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
1006
1007         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
1008         includes to gc.h and icf.h.
1009         * arm.cc: Include gc.h.
1010         * gold.cc: Likewise.
1011         * i386.cc: Likewise.
1012         * powerpc.cc: Likewise.
1013         * sparc.cc: Likewise.
1014         * x86_64.cc: Likewise.
1015         * gc.h: Include icf.h.
1016
1017 2009-10-11  Ian Lance Taylor  <iant@google.com>
1018
1019         * plugin.cc: Include "gold.h" before other header files.
1020
1021 2009-10-10  Chris Demetriou  <cgd@google.com>
1022
1023         * options.h (Input_file_argument::Input_file_type): New enum.
1024         (Input_file_argument::is_lib_): Replace with...
1025         (Input_file_argument::type_): New member.
1026         (Input_file_argument::Input_file_argument): Take Input_file_type
1027         'type' rather than boolean 'is_lib' as second argument.
1028         (Input_file_argument::is_lib): Use type_.
1029         (Input_file_argument::is_searched_file): New function.
1030         (Input_file_argument::may_need_search): Handle is_searched_file.
1031         * options.cc (General_options::parse_library): Support -l:filename.
1032         (General_options::parse_just_symbols): Update for Input_file_argument
1033         changes.
1034         (Command_line::process): Likewise.
1035         * archive.cc (Archive::get_file_and_offset): Likewise.
1036         * plugin.cc (Plugin_manager::release_input_file): Likewise.
1037         * script.cc (read_script_file, script_add_file): Likewise.
1038         * fileread.cc (Input_file::Input_file): Likewise.
1039         (Input_file::will_search_for): Handle is_searched_file.
1040         (Input_file::open): Likewise.
1041         * readsyms.cc (Read_symbols::get_name): Likewise.
1042         * testsuite/Makefile.am (searched_file_test): New test.
1043         * testsuite/Makefile.in: Regenerate.
1044         * testsuite/searched_file_test.cc: New file.
1045         * testsuite/searched_file_test_lib.cc: New file.
1046
1047 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1048             Ian Lance Taylor  <iant@google.com>
1049
1050         * descriptor.cc: Include <cstdio> and "binary-io.h".
1051         (Descriptors::open): Open the files in binary mode always.
1052         * script.cc (Lex::get_token): Treat \r as whitespace.
1053
1054 2009-10-09  Ian Lance Taylor  <iant@google.com>
1055
1056         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
1057
1058 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1059             Ian Lance Taylor  <iant@google.com>
1060
1061         * configure.ac: Check for readv function also.
1062         * fileread.cc (readv): Define if not HAVE_READV.
1063         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
1064         does not exist.
1065         * config.in: Regenerate.
1066         * configure: Regenerate.
1067
1068 2009-10-09  Doug Kwan  <dougkwan@google.com>
1069
1070         * layout.cc (Layout::make_output_section): Call target hook to make
1071         ordinary output section.
1072         (Layout::finalize): Adjust parameter list of call the
1073         Target::may_relax().
1074         * layout.h (class Layout::section_list): New method.
1075         * merge.h (Output_merge_base::entsize): Change visibility to public.
1076         (Output_merge_base::is_string, Output_merge_base::do_is_string):
1077         New methods.
1078         (Output_merge_string::do_is_string): New method.
1079         * object.cc (Sized_relobj::do_setup): renamed from
1080         Sized_relobj::set_up.
1081         * object.h (Sized_relobj::adjust_shndx,
1082         Sized_relobj::initializ_input_to_output_maps,
1083         Sized_relobj::free_input_to_output_maps): Change visibilities to
1084         protected.
1085         (Sized_relobj::setup): Virtualize.
1086         (Sized_relobj::do_setup): New method declaration.
1087         (Sized_relobj::invalidate_section_offset,
1088         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
1089         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
1090         * options.cc (parse_int): New function.
1091         * options.h (parse_int): New declaration.
1092         (DEFINE_int): New macro.
1093         (stub_group_size): New option.
1094         * output.cc (Output_section::Output_section): Initialize memebers
1095         merge_section_map_, merge_section_by_properties_map_,
1096         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
1097         (Output_section::add_input_section): Handled deferred code-fill
1098         generation and remove an old comment.
1099         (Output_section::add_relaxed_input_section): New method definition.
1100         (Output_section::add_merge_input_section): Use merge section by
1101         properties map to speed to search.  Update merge section maps
1102         as appropriate.
1103         (Output_section::build_relaxation_map): New method definition.
1104         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
1105         Same.
1106         (Output_section::relax_input_section): Renamed to
1107         Output_section::convert_input_sections_to_relaxed_sections and change
1108         interface to take a vector of pointers to relaxed sections.
1109         (Output_section::find_merge_section,
1110         Output_section::find_relaxed_input_section): New method definitions.
1111         (Output_section::is_input_address_mapped,
1112         Output_section::output_offset, Output_section::output_address):
1113         Use output section data maps to speed up searching.
1114         (Output_section::find_starting_output_address): Add comments.
1115         (Output_section::do_write,
1116         Output_section::write_to_postprocessing_buffer): Do code-fill
1117         generation as appropriate.
1118         (Output_section::get_input_sections): Invalidate relaxed input section
1119         map.
1120         (Output_section::restore_states): Adjust type of checkpoint .
1121         Invalidate relaxed input section map.
1122         * output.h (Output_merge_base): New class declaration.
1123         (Input_section_specifier): New class defintion.
1124         (class Output_relaxed_input_section) Change base class to
1125         Output_section_data_build.
1126         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
1127         base class initializer.
1128         (Output_section::add_relaxed_input_section): New method declaration.
1129         (Output_section::Input_section): Change visibility to protected.
1130         (Output_section::Input_section::relobj,
1131         Output_section::Input_section::shndx): Handle relaxed input sections.
1132         Output_section::input_sections) Change visibility to protected.  Also
1133         define overload to return a non-const pointer.
1134         (Output_section::Merge_section_properties): New class defintion.
1135         (Output_section::Merge_section_by_properties_map,
1136         Output_section::Output_section_data_by_input_section_map,
1137         Output_section::Relaxation_map): New types.
1138         (Output_section::relax_input_section): Rename method to
1139         Output_section::convert_input_sections_to_relaxed_sections and change
1140         interface to take a vector of relaxed section pointers.
1141         (Output_section::find_merge_section,
1142         Output_section::find_relaxed_input_section,
1143         Output_section::build_relaxation_map,
1144         Output_section::convert_input_sections_in_list_to_relaxed_sections):
1145         New method declarations.
1146         (Output_section::merge_section_map_
1147         Output_section::merge_section_by_properties_map_,
1148         Output_section::relaxed_input_section_map_,
1149         Output_section::is_relaxed_input_section_map_valid_,
1150         Output_section::generate_code_fills_at_write_): New data members.
1151         * script-sections.cc
1152         (Output_section_element_input::set_section_addresses): Call
1153         current_data_size and addralign methods of relaxed input sections.
1154         (Orphan_output_section::set_section_addresses): Call current_data_size
1155         and addralign methods of relaxed input sections.
1156         * symtab.cc (Symbol_table::compute_final_value): Extract template
1157         from the body of Symbol_table::sized_finalize_symbol.
1158         (Symbol_table::sized_finalized_symbol): Call
1159         Symbol_table::compute_final_value.
1160         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
1161         (Symbol_table::compute_final_value): New templated method declaration.
1162         * target.cc (Target::do_make_output_section): New method defintion.
1163         * target.h (Target::make_output_section): New method declaration.
1164         (Target::relax): Add more parameters for input objects, symbol table
1165         and layout.  Adjust call to do_relax.
1166         (Target::do_make_output_section): New method declaration.
1167         (Target::do_relax): Add parameters for input objects, symbol table
1168         and layout.
1169
1170 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1171
1172         * pread.c: Include stdio.h.
1173
1174 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1175
1176         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
1177         defined.
1178
1179 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1180
1181         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
1182         Change read_shndx type to unsigned int.
1183         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
1184         int.
1185         (Sized_dwarf_line_info::read_line_mappings): Likewise.
1186         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
1187         Change read_shndx type to unsigned int.
1188         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
1189         int.
1190         (Sized_dwarf_line_info::read_line_mappings): Likewise.
1191         * layout.cc (Layout::create_symtab_sections): Cast the result of
1192         local_symcount * symsize to off_t in the gold_assert.
1193
1194 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1195
1196         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
1197         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
1198         R_ARM_BASE_ABS.
1199         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
1200         (Arm_relocate_functions::thm_abs5): New function.
1201         (Arm_relocate_functions::abs12): New function.
1202         (Arm_relocate_functions::abs16): New function.
1203         (Arm_relocate_functions::base_abs): New function.
1204         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
1205         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
1206         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
1207         R_ARM_BASE_ABS.
1208         (Scan::global): Likewise.
1209         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
1210         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
1211         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
1212         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
1213         R_ARM_BASE_ABS.
1214
1215 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1216
1217         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
1218         (Arm_relocate_functions::movt_prel): New function.
1219         (Arm_relocate_functions::thm_movw_prel_nc): New function.
1220         (Arm_relocate_functions::thm_movt_prel): New function.
1221         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
1222         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
1223         (Scan::global, Relocate::relocate): Likewise.
1224         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
1225
1226 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
1227
1228         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
1229         Incremental_checker.
1230         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
1231         unsigned int.
1232         (class Incremental_inputs_header): New class.
1233         (Incremental_inputs_header_writer): Edit comment.
1234         (Incremental_inputs_entry): New class.
1235         (Incremental_inputs_entry_writer): Edit comment.
1236         (Sized_incremental_binary::do_find_incremental_inputs_section):
1237         Add *strtab_shndx parameter, fill it.
1238         (Sized_incremental_binary::do_check_inputs): New method.
1239         (Incremental_checker::can_incrementally_link_output_file): Use
1240         Sized_incremental_binary::check_inputs.
1241         (Incremental_inputs::report_command_line): Save command line in
1242         command_line_.
1243         * incremental.h:
1244         (Incremental_binary::find_incremental_inputs_section): New
1245         method.
1246         (Incremental_binary::do_find_incremental_inputs_section): Add
1247         strtab_shndx parameter.
1248         (Incremental_binary::do_check_inputs): New pure virtual method.
1249         (Sized_incremental_binary::do_check_inputs): Declare.
1250         (Incremental_checker::Incremental_checker): Add incremental_inputs
1251         parameter, use it to initialize incremental_inputs_.
1252         (Incremental_checker::incremental_inputs_): New field.
1253         (Incremental_checker::command_line): New method.
1254         (Incremental_checker::inputs): New method.
1255         (Incremental_checker::command_line_): New field.
1256
1257 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
1258
1259         * incremental.cc: Include <cstdarg> and "target-select.h".
1260         (vexplain_no_incremental): New function.
1261         (explain_no_incremental): New function.
1262         (Incremental_binary::error): New method.
1263         (Sized_incremental_binary::do_find_incremental_inputs_section): New
1264         method.
1265         (make_sized_incremental_binary): New function.
1266         (open_incremental_binary): New function.
1267         (can_incrementally_link_file): Add checks if output is ELF and has
1268         inputs section.
1269         * incremental.h: Include "elfcpp_file.h" and "output.h".
1270         (Incremental_binary): New class.
1271         (Sized_incremental_binary): New class.
1272         (open_incremental_binary): Declare.
1273         * object.cc (is_elf_object): Use
1274         elfcpp::Elf_recognizer::is_elf_file.
1275         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
1276         * output.h (Output_file::filesize): New method.
1277
1278 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1279
1280         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
1281         New function.
1282         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
1283         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
1284         function.
1285         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
1286         function.
1287         (Arm_relocate_functions::movw_abs_nc): New function.
1288         (Arm_relocate_functions::movt_abs): New function.
1289         (Arm_relocate_functions::thm_movw_abs_nc): New function.
1290         (Arm_relocate_functions::thm_movt_abs): New function.
1291         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
1292         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
1293         (Scan::global): Likewise.
1294         (Relocate::relocate): Likewise.
1295         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
1296
1297 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1298
1299         * arm.cc (Arm_relocate_functions::got_prel) New function.
1300         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
1301         (Relocate::relocate): Likewise.
1302         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
1303
1304 2009-10-06  Ian Lance Taylor  <iant@google.com>
1305
1306         * options.h (class General_options): Define
1307         split_stack_adjust_size parameter.
1308         * object.h (class Object): Add uses_split_stack_ and
1309         has_no_split_stack_ fields.  Add uses_split_stack and
1310         has_no_split_stack accessor functions.  Declare
1311         handle_split_stack_section.
1312         (class Reloc_symbol_changes): Define.
1313         (class Sized_relobj): Define Function_offsets.  Declare
1314         split_stack_adjust, split_stack_adjust_reltype, and
1315         find_functions.
1316         * object.cc (Object::handle_split_stack_section): New function.
1317         (Sized_relobj::do_layout): Call handle_split_stack_section.
1318         * dynobj.cc (Sized_dynobj::do_layout): Call
1319         handle_split_stack_section.
1320         * reloc.cc (Sized_relobj::relocate_sections): Call
1321         split_stack_adjust for executable sections in split_stack
1322         objects.  Pass reloc_map to relocate_section.
1323         (Sized_relobj::split_stack_adjust): New function.
1324         (Sized_relobj::split_stack_adjust_reltype): New function.
1325         (Sized_relobj::find_functions): New function.
1326         * target-reloc.h: Include "object.h".
1327         (relocate_section): Add reloc_symbol_changes parameter.  Change
1328         all callers.
1329         * target.h (class Target): Add calls_non_split method.  Declare
1330         do_calls_non_split virtual method.  Declare match_view and
1331         set_view_to_nop.
1332         * target.cc: Include "elfcpp.h".
1333         (Target::do_calls_non_split): New function.
1334         (Target::match_view): New function.
1335         (Target::set_view_to_nop): New function.
1336         * gold.cc (queue_middle_tasks): Give an error if mixing
1337         split-stack and non-split-stack objects with -r.
1338         * i386.cc (Target_i386::relocate_section): Add
1339         reloc_symbol_changes parameter.
1340         (Target_i386::do_calls_non_split): New function.
1341         * x86_64.cc (Target_x86_64::relocate_section): Add
1342         reloc_symbol_changes parameter.
1343         (Target_x86_64::do_calls_non_split): New function.
1344         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
1345         parameter.
1346         * powerpc.cc (Target_powerpc::relocate_section): Add
1347         reloc_symbol_changes parameter.
1348         * sparc.cc (Target_sparc::relocate_section): Add
1349         reloc_symbol_changes parameter.
1350         * configure.ac: Call AM_CONDITIONAL for the default target.
1351         * configure: Rebuild.
1352         * testsuite/Makefile.am (TEST_AS): New variable.
1353         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
1354         (check_DATA): Add split_i386 and split_x86_64 files.
1355         (SPLIT_DEFSYMS): Define.
1356         (split_i386_[1234n].o): New targets.
1357         (split_i386_[124]): New targets.
1358         (split_i386_[1234r].stdout): New targets.
1359         (split_x86_64_[1234n].o): New targets.
1360         (split_x86_64_[124]): New targets.
1361         (split_x86_64_[1234r].stdout): New targets.
1362         (MOSTLYCLEANFILES): Add new executables.
1363         * testsuite/split_i386.sh: New file.
1364         * testsuite/split_x86_64.sh: New file.
1365         * testsuite/split_i386_1.s: New file.
1366         * testsuite/split_i386_2.s: New file.
1367         * testsuite/split_i386_3.s: New file.
1368         * testsuite/split_i386_4.s: New file.
1369         * testsuite/split_i386_n.s: New file.
1370         * testsuite/split_x86_64_1.s: New file.
1371         * testsuite/split_x86_64_2.s: New file.
1372         * testsuite/split_x86_64_3.s: New file.
1373         * testsuite/split_x86_64_4.s: New file.
1374         * testsuite/split_x86_64_n.s: New file.
1375         * testsuite/testfile.cc (Target_test): Update relocation_section
1376         function.
1377         * testsuite/Makefile.in: Rebuild.
1378
1379 2009-10-06  Ian Lance Taylor  <iant@google.com>
1380
1381         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
1382         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
1383         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
1384         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
1385         the address on ldo_addrs_.
1386         (Target_i386::Relocate::fix_up_ldo): New function.
1387
1388 2009-10-06   Rafael Espindola  <espindola@google.com>
1389
1390         * plugin.cc (add_input_library): New.
1391         (Plugin::load): Add add_input_library to tv.
1392         (Plugin_manager::add_input_file): Add the is_lib argument.
1393         (add_input_file): Update call to Plugin_manager::add_input_file.
1394         (add_input_library): New.
1395         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
1396
1397 2009-09-30  Doug Kwan  <dougkwan@google.com>
1398
1399         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
1400         symbol and call Symbol::may_need_copy_reloc to determine if
1401         a copy reloc is needed.
1402         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
1403         nocopyreloc is given in command line.
1404         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
1405         given in command line.
1406         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
1407         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
1408         of the removed Target_i386::may_need_copy_reloc.
1409         * options.h (copyreloc): New option with default value false.
1410         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
1411         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
1412         instead of the removed Target_powerpc::may_need_copy_reloc.
1413         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
1414         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
1415         instead of the removed Target_sparc::may_need_copy_reloc.
1416         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
1417         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
1418         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
1419         instead of the removed Target_x86_64::may_need_copy_reloc.
1420
1421 2009-09-30  Ian Lance Taylor  <iant@google.com>
1422
1423         * object.h (class Object): Remove target_ field, and target,
1424         sized_target, and set_target methods.
1425         (Object::sized_target): Remove.
1426         (class Sized_relobj): Update declarations.  Remove sized_target.
1427         * object.cc (Sized_relobj::setup): Remove target parameter.
1428         Change all callers.
1429         (Input_objects::add_object): Don't do anything with the target.
1430         (make_elf_sized_object): Add punconfigured parameter.  Change all
1431         callers.  Set or test parameter target.
1432         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
1433         Change all callers.
1434         * parameters.cc (Parameters::set_target): Change parameter type to
1435         be non-const.
1436         (Parameters::default_target): Remove.
1437         (set_parameters_target): Change parameter type to be non-const.
1438         (parameters_force_valid_target): New function.
1439         (parameters_clear_target): New function.
1440         * parameters.h (class Parameters): Update declarations.  Remove
1441         default_target method.  Add sized_target and clear_target
1442         methods.  Change target_ to be non-const.
1443         (set_parameters_target): Update declaration.
1444         (parameters_force_valid_target): Declare.
1445         (parameters_clear_target): Declare.
1446         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
1447         as NULL if we aren't searching.
1448         (Add_symbols::run): Don't check for compatible target.
1449         * fileread.cc (Input_file::open_binary): Call
1450         parameters_force_valid_target.
1451         * gold.cc (queue_middle_tasks): Likewise.
1452         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
1453         set_target on object.
1454         * dynobj.h (class Sized_dynobj): Update declarations.
1455         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
1456         make_elf_object returns NULL.
1457         (Archive::include_member): Don't check whether object target is
1458         compatible.
1459         * output.cc (Output_section::add_input_section): Get target from
1460         parameters.
1461         (Output_section::relax_input_section): Likewise.
1462         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
1463         parameters.
1464         (Sized_relobj::do_scan_relocs): Likewise.
1465         (Sized_relobj::relocate_sections): Likewise.
1466         * resolve.cc (Symbol_table::resolve): Likewise.
1467         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
1468         parameter.  Change all callers.
1469         (Symbol_table::add_from_object): Get target from parameters.
1470         (Symbol_table::add_from_relobj): Don't check object target.
1471         (Symbol_table::add_from_dynobj): Likewise.
1472         (Symbol_table::define_special_symbol): Get target from
1473         parameters.
1474         * symtab.h (class Symbol_table): Update declaration.
1475         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
1476         parameter.  Change all callers.  Clear parameter target.
1477         (Binary_test): Test target here.
1478         * testsuite/object_unittest.cc (gold_testsuite): Remove
1479         target_test_pointer parameter.  Change all callers.
1480         (Object_test): Test target here.
1481
1482 2009-09-26  Ian Lance Taylor  <iant@google.com>
1483
1484         * testsuite/initpri1.c: Don't try to use constructor priorities if
1485         compiling with gcc before 4.3.
1486
1487 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
1488
1489         * testsuite/retain_symbols_file_test.sh (check_present): Change
1490         output file name to retain_symbols_file_test.stdout.
1491         (check_absent): Likewise.
1492
1493 2009-09-18  Craig Silverstein  <csilvers@google.com>
1494
1495         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
1496         * options.cc: Include <cerrno> and <fstream>.
1497         (General_options::finalize): Parse -retain-symbols-file tag.
1498         * options.h: New flag.
1499         (General_options): New method should_retain_symbol, new
1500         variable symbols_to_retain.
1501         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
1502         should_retain_symbol map.
1503         * testsuite/Makefile.am (retain_symbols_file_test): New test.
1504         * testsuite/Makefile.in: Regenerate.
1505         * testsuite/retain_symbols_file_test.sh: New file.
1506
1507 2009-09-18  Nick Clifton  <nickc@redhat.com>
1508
1509         * po/es.po: Updated Spanish translation.
1510
1511 2009-09-17  Doug Kwan  <dougkwan@google.com>
1512
1513         * debug.h (DEBUG_RELAXATION): New constant.
1514         (DEBUG_ALL): Add DEBUG_RELAXATION.
1515         (debug_string_to_enum): Add relaxation debug option.
1516         * layout.cc
1517         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
1518         Layout::Relaxation_debug_check::read_sections,
1519         Layout::Relaxation_debug_check::read_sections): New method definitions.
1520         (Layout::Layout): Initialize data members
1521         record_output_section_data_from_scrips_,
1522         script_output_section_data_list_ and relaxation_debug_check_.
1523         (Layout::save_segments, Layout::restore_segments,
1524         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
1525         Layout::relaxation_loop_body): New method definitions.
1526         (Layout::finalize): Support relaxation.  Move section layout code to
1527         Layout::relaxation_loop_body.
1528         (Layout::set_asection_address_from_script): Move code for orphan
1529         section placement out.
1530         (Layout::place_orphan_sections_in_script): New method definition.
1531         * layout.h (Output_segment_headers, Output_file_header):
1532         New forward class declarations.
1533         (Layout::~Layout): Define.
1534         (Layout::new_output_section_data_from_script): New method definition.
1535         (Layout::place_orphan_sections_in_script): New method declaration.
1536         (Layout::Segment_states): New type declaration.
1537         (Layout::save_segments, Layout::restore_segments,
1538         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
1539         Layout::relaxation_loop_body): New method declarations.
1540         (Layout::Output_section_data_list): New type declaration.
1541         (Layout::Relaxation_debug_check): New class definition.
1542         (Layout::record_output_section_data_from_script_,
1543         Layout::script_output_section_data_list_, Layout::segment_states_,
1544         Layout::relaxation_debug_check_): New data members.
1545         * output.cc: (Output_section_headers::do_size): New method definition.
1546         (Output_section_headers::Output_section_headers): Move size
1547         computation to Output_section_headers::do_size.
1548         (Output_segment_headers::do_size): New method definition.
1549         (Output_file_header::Output_file_header): Move size computation to 
1550         Output_file_header::do_size and call it.
1551         (Output_file_header::do_size): New method definition.
1552         (Output_data_group::Output_data_group): Adjust call to
1553         Output_section_data.
1554         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
1555         (Output_symtab_xindex::do_write): Add array bound check.
1556         (Output_section::Input_section::print_to_mapfile): Handle
1557         RELAXED_INPUT_SECTION_CODE.
1558         (Output_section::Output_section): Initialize data member checkpoint_.
1559         (Output_section::~Output_section): Delete checkpoint object pointed
1560         by checkpoint_.
1561         (Output_section::add_input_section): Always add an Input_section if
1562         relaxing.
1563         (Output_section::add_merge_input_section): Add assert.
1564         (Output_section::relax_input_section): New method definition.
1565         (Output_section::set_final_data_size): Set load address to zero for
1566         an unallocated section.
1567         (Output_section::do_address_and_file_offset_have_reset_values):
1568         New method definition.
1569         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
1570         Handle relaxed input section.
1571         (Output_section::sort_attached_input_sections): Checkpoint input
1572         section list lazily.
1573         (Output_section::get_input_sections): Change type of input_sections to
1574         list of Simple_input_section pointers.  Checkpoint input section list
1575         lazily.  Also handle relaxed input sections.
1576         (Output_section::add_input_section_for_script): Take a reference to
1577         a Simple_input_section object instead of Relobj pointer and section
1578         index as parameter.  Handle relaxed input sections.
1579         (Output_section::save_states, Output_section::restore_states): New
1580         method definitions.
1581         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
1582         (Output_data::is_data_size_fixed): New method definition.
1583         (Output_data::reset_addresss_and_file_offset): Do not reset data size
1584         if it is fixed.
1585         (Output_data::address_and_file_offset_have_reset_values): New method
1586         definition.
1587         (Output_data::do_address_and_file_offset_have_reset_values): New method
1588         definition.
1589         (Output_data::set_data_size): Check that data size is not fixed.
1590         (Output_data::fix_data_size): New method definition.
1591         (Output_data::is_data_size_fixed_): New data member.
1592         (Output_section_headers::set_final_data_size): New method definition.
1593         (Output_section_headers::do_size): New method declaration.
1594         (Output_segment_headers::set_final_data_size): New method definition.
1595         (Output_segment_headers::do_size): New method declaration.
1596         (Output_file_header::set_final_data_size)::New method definition.
1597         (Output_file_header::do_size)::New method declaration.
1598         (Output_section_data::Output_section_data): Add new parameter
1599         is_data_size_fixed and use it to fix data size.
1600         (Output_data_const::Output_data_const): Adjust call to base class
1601         constructor and fix data size.
1602         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
1603         base class constructor and fix data size.
1604         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
1605         base class constructor and fix data size.
1606         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
1607         class constructor and fix data size.
1608         (Output_data_group::set_final_data_size): New method definition.
1609         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
1610         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
1611         class constructor and fix data size.
1612         (Output_relaxed_input_section): New class definition.
1613         (Output_section::Simple_input_section): New class definition.
1614         (Output_section::get_input_sections): Adjust parameter list.
1615         (Output_section::add_input_section_for_script): Same.
1616         (Output_section::save_states, Output_section::restore_states,
1617         Output_section::do_address_and_file_offset_have_reset_values,
1618         (Output_section::Input_section::Input_section): Handle
1619         RELAXED_INPUT_SECTION_CODE.  Add new overload for
1620         Output_relaxed_input_section.
1621         (Output_section::Input_section::is_input_section,
1622         Output_section::Input_section::set_output_section): Handle relaxed
1623         input section.
1624         (Output_section::Input_section::is_relaxed_input_section,
1625         Output_section::Input_section::output_section_data,
1626         Output_section::Input_section::relaxed_input_section): New method
1627         definitions.
1628         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
1629         value.
1630         (Output_section::Input_section::u1_): Update comments.
1631         (Output_section::Input_section::u2_): Add new union member poris.
1632         (Output_section::Checkpoint_output_section): New classs definition.
1633         (Output_section::relax_input_section): New method declaration.
1634         (Output_section::checkpoint_): New data member.
1635         (Output_segment): Update comments.
1636         (Output_segment::Output_segment): Un-privatize copy constructor.
1637         (Output_segment::operator=): Un-privatize.
1638         * script-sections.cc (Output_section_element::Input_section_list):
1639         Change element type to Output_section::Simple_input_section.
1640         (Output_section_element_dot_assignment::set_section_addresses):
1641         Register output section data for relaxation clean up.
1642         (Output_data_exression::Output_data_expression): Adjust call to base
1643         constructor to fix data size.
1644         (Output_section_element_data::set_section_addresses): Register
1645         Output_data_expression object for relaxation clean up.
1646         (struct Input_section_info): Replace Relobj pointer and section index
1647         pair with Output_section::Simple_input_section and Convert struct to a
1648         class.
1649         (Input_section_sorter::operator()): Adjust access to
1650         Input_section_info data member to use accessors. 
1651         (Output_section_element_input::set_section_addresses): Use layout
1652         parameter.  Adjust code to use Output_section::Simple_input_section
1653         and Input_secction_info classes.  Register filler for relaxation
1654         clean up.
1655         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
1656         and section index pair with Output_section::Simple_input_section
1657         class.  Adjust code accordingly.
1658         (Phdrs_element::release_segment): New method definition.
1659         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
1660         segment list.
1661         (Script_sections::release_segments): New method definition.
1662         * gold/script-sections.h (Script_sections::release_segments): New
1663         method declaration.
1664         * gold/target.h (Target::may_relax, Target::relax,
1665         Target::do_may_relax, Target::do_relax): New method definitions.
1666
1667 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1668
1669         * arm.cc (has_signed_unsigned_overflow): New function.
1670         (Arm_relocate_functions::abs8): New function.
1671         (Target_arm::Scan::local): Handle R_ARM_ABS8.
1672         (Target_arm::Scan::global): Likewise.
1673         (Target_arm::relocate::relocate): Likewise.
1674         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1675         Likewise.
1676
1677 2009-09-16  Cary Coutant  <ccoutant@google.com>
1678
1679         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
1680         * testsuite/Makefile.in: Regenerate.
1681
1682 2009-09-11  Nick Clifton  <nickc@redhat.com>
1683
1684         * po/gold.pot: Updated by the Translation project.
1685
1686 2009-09-08  Cary Coutant  <ccoutant@google.com>
1687
1688         * output.cc (Output_file::open): Add execute permission to empty file.
1689         * testsuite/Makefile.am (permission_test): New test.
1690         * testsuite/Makefile.in: Regenerate.
1691
1692 2009-09-02  Ian Lance Taylor  <iant@google.com>
1693
1694         * output.cc (Output_file::resize): Call map_no_anonymous rather
1695         than map.
1696
1697 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
1698
1699         * gold.cc: Include "incremental.h".
1700         (queue_initial_tasks): Call Incremental_checker methods.
1701         * incremental.cc: Include "output.h".
1702         (Incremental_checker::can_incrementally_link_output_file): New
1703         method.
1704         * incremental.h (Incremental_checker): New class.
1705
1706         * output.cc (Output_file::open_for_modification): New method.
1707         (Output_file::map_anonymous): Changed return type to bool.  Record
1708         map in base_ field.
1709         (Output_file::map_no_anonymous): New method, broken out of map.
1710         (Output_file::map): Use map_no_anonymous and map_anonymous.
1711         * output.h (class Output_file): Update declarations.
1712
1713 2009-08-24  Cary Coutant  <ccoutant@google.com>
1714
1715         * options.h (Command_line::Pre_options): New class.
1716         (Command_line::pre_options): New member.
1717         * options.cc (gold::options::ready_to_register): New variable.
1718         (One_option::register_option): Do nothing if not registering options.
1719         Assert if same short option registered twice.
1720         (General_options::General_options): Turn off option registration when
1721         done constructing.
1722         (Command_line::Pre_options::Pre_options): New constructor.
1723
1724 2009-08-24  Cary Coutant  <ccoutant@google.com>
1725
1726         * options.h (General_options::no_keep_memory): Remove incorrect
1727         short option.
1728
1729 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1730
1731         * Makefile.am (am__skiplex, am__skipyacc): New.
1732         * Makefile.in: Regenerate.
1733
1734 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1735
1736         * Makefile.am (AM_CPPFLAGS): Renamed from ...
1737         (INCLUDES): ... this.
1738         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
1739         (AM_CPPFLAGS): Renamed from ...
1740         (INCLUDE): ... this.
1741         * Makefile.in, testsuite/Makefile.in: Regenerate.
1742
1743         * Makefile.in: Regenerate.
1744         * aclocal.m4: Likewise.
1745         * config.in: Likewise.
1746         * configure: Likewise.
1747         * testsuite/Makefile.in: Likewise.
1748
1749         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
1750         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
1751         * Makefile.in: Regenerate.
1752         * testsuite/Makefile.in: Regenerate.
1753
1754 2009-08-19  Cary Coutant  <ccoutant@google.com>
1755
1756         * resolve.cc (Symbol_table::resolve): Don't complain about defined
1757         symbols in shared libraries overridden by hidden or internal symbols
1758         in the main program.
1759
1760 2009-08-19  Chris Demetriou  <cgd@google.com>
1761
1762         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
1763         checking source file names in error messages.
1764
1765 2009-08-18  Doug Kwan  <dougkwan@google.com>
1766
1767         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
1768         an elcpp::Ehdr as parameter.  Adjust call to set_target.
1769         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
1770         an elfcpp::Ehdr as parameter.
1771         * object.cc (Object::set_target): Remove the version that looks up
1772         a target and sets it.
1773         (Sized_relobj::setup): Take a Target object instead of
1774         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
1775         (make_elf_sized_object): Find target and ask target to
1776         make an ELF object.
1777         * object.h: (Object::set_target): Remove the version that looks up
1778         a target and sets it.
1779         (Sized_relobj::setup): Take a Target object instead of
1780         an elfcpp:Ehdr as parameter.
1781         * target.cc: Include dynobj.h.
1782         (Target::do_make_elf_object_implementation): New.
1783         (Target::do_make_elf_object): New.
1784         * target.h (Target::make_elf_object): New template declaration.
1785         (Target::do_make_elf_object): New method declarations.
1786         (Target::do_make_elf_object_implementation): New template declaration.
1787
1788 2009-08-14  Ian Lance Taylor  <iant@google.com>
1789
1790         * gold.h (FUNCTION_NAME): Define.
1791         (gold_unreachable): Use FUNCTION_NAME.
1792
1793 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
1794
1795         * icf.cc (Icf::find_identical_sections): Issue a warning when a
1796         symbol in the --keep-unique list is not found.
1797
1798 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
1799
1800         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
1801         been maked as --keep-unique.
1802         (Icf::unfold_section): New function.
1803         * icf.h (Icf::unfold_section): New function.
1804         * options.h (General_options::keep_unique): New option.
1805         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
1806         * testsuite/Makefile.in: Regenerate.
1807         * testsuite/icf_keep_unique_test.sh: New file.
1808         * testsuite/icf_keep_unique_test.cc: New file.
1809
1810 2009-08-12  Cary Coutant  <ccoutant@google.com>
1811
1812         PR 10471
1813         * resolve.cc (Symbol_table::resolve): Check for references from
1814         dynamic objects to hidden and internal symbols.
1815         * testsuite/Makefile.am (hidden_test.sh): New test.
1816         * testsuite/Makefile.in: Regenerate.
1817         * testsuite/hidden_test.sh: New script.
1818         * testsuite/hidden_test_1.c: New test source.
1819         * testsuite/hidden_test_main.c: New test source.
1820
1821 2009-08-11  Doug Kwan  <dougkwan@google.com>
1822
1823         * arm.cc: Update comments.
1824         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
1825         segment to locate the .ARM.exidx section if present.
1826
1827 2009-08-09  Doug Kwan  <dougkwan@google.com>
1828
1829         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
1830         patch.
1831
1832 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
1833         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
1834         compiler warnings.
1835
1836 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
1837
1838         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
1839         valid tls_segment only for non-debug-section relocations.
1840         * testsuite/Makefile.am: Add gc_tls_test.
1841         * testsuite/Makefile.in: Regenerate.
1842         * testsuite/gc_tls_test.cc: New file.
1843         * testsuite/gc_tls_test.sh: New file.
1844
1845 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
1846         
1847         * icf.cc: New file.
1848         * icf.h: New file.
1849         * Makefile.am (CCFILES): Add icf.cc.
1850         (HFILES): Add icf.h
1851         * Makefile.in: Regenerate.
1852         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
1853         * gc.h (gc_process_relocs): Populate lists used by icf to contain
1854         section, symbol and addend information for the relocs.
1855         * gold.cc (queue_middle_tasks): Call identical code folding.
1856         * gold.h: Add defines for multimap.
1857         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
1858         to the call of finalize_local_symbols.
1859         * main.cc (main): Create object of class Icf.
1860         * object.cc (Sized_relobj::do_layout): Allow this function to be
1861         called twice during icf.
1862         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
1863         to sections marked as identical by icf.
1864         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
1865         when available.
1866         (Sized_relobj::do_section_entsize): New function.
1867         * object.h (Object::section_entsize): New function.
1868         (Object::do_section_entsize): New pure virtual function.
1869         (Relobj::finalize_local_symbols): Add new parameter.
1870         (Relobj::do_section_entsize): New function.
1871         * options.h (General_options::icf): New option.
1872         (General_options::icf_iterations): New option.
1873         (General_options::print_icf_sections): New option.
1874         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
1875         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
1876         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
1877         icf.
1878         * symtab.cc (Symbol_table::is_section_folded): New function.
1879         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
1880         to sections marked as identical by icf.
1881         * symtab.h (Symbol_table::set_icf): New function.
1882         (Symbol_table::icf): New function.
1883         (Symbol_table::is_section_folded): New function.
1884         (Symbol_table::icf_): New data member.
1885         * target-reloc.h (relocate_section): Ignore sections folded by icf.
1886         * testsuite/Makefile.am: Add commands to build icf_test.
1887         * testsuite/Makefile.in: Regenerate.
1888         * testsuite/icf_test.sh: New file.
1889         * testsuite/icf_test.cc: New file.
1890
1891 2009-07-24  Chris Demetriou  <cgd@google.com>
1892
1893         * layout.cc (is_compressible_debug_section): Fix incorrect
1894         comment about compressed section names.
1895
1896 2009-07-20  Ian Lance Taylor  <ian@airs.com>
1897
1898         PR 10419
1899         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
1900
1901 2009-07-16  Ian Lance Taylor  <iant@google.com>
1902
1903         PR 10400
1904         * layout.h: #include <map>.
1905         (class Kept_section): Change from struct to class.  Add accessors
1906         and setters.  Add section size to Comdat_group mapping.  Change
1907         Comdat_group to std::map.  Add is_comdat_ field.  Add
1908         linkonce_size field in union.
1909         (class Layout): Update declaration of find_or_add_kept_section.
1910         Don't declare find_kept_object.
1911         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
1912         parameter.  Add object, shndx, is_comdat, and is_group_name
1913         parameters.  Change all callers.  Adjust for new Kept_section.
1914         (Layout::find_kept_object): Remove.
1915         * object.cc (Sized_relobj::include_section_group): Update use of
1916         Kept_section.  Rename secnum to shndx.  Only record
1917         Kept_comdat_section if sections are the same size.
1918         (Sized_relobj::include_linkonce_section): Update use of
1919         Kept_section.  Only record Kept_comdat_section if sections are the
1920         same size.  Set size of linkonce section.
1921         (Sized_relobj::map_to_kept_section): Update call to
1922         get_kept_comdat_section.
1923         * object.h (class Sized_relobj): Rename fields in
1924         Kept_comdat_section to drop trailing underscores; change object
1925         field to Relobj*.  Change Kept_comdat_section_table to store
1926         struct rather than pointer.
1927         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
1928         Add kept_object and kept_shndx parameters.  Change all callers.
1929         (Sized_relobj::get_kept_comdat_section): Change return type to
1930         bool.  Add kept_object and kept_shndx parameters.  Change all
1931         callers.
1932         * plugin.cc (Pluginobj::include_comdat_group): Update call to
1933         Layout::find_or_add_kept_section.
1934
1935 2009-07-09  Ian Lance Taylor  <iant@google.com>
1936
1937         * merge.cc (Object_merge_map::initialize_input_to_output_map):
1938         Reserve space in the hash table.
1939
1940 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
1941
1942         * fileread.cc (File_read::get_mtime): New method.
1943         * fileread.h (Timespec): New structure.
1944         (File_read::get_mtime): New method.
1945         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
1946         Renamed from timestamp_nsec.
1947         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
1948         Elf_Xword.
1949         (Incremental_inputs_entry_write::timestamp_usec): Renamed from 
1950         timestamp_nsec.
1951         (Incremental_inputs::report_archive): Save mtime; style fix. 
1952         (Incremental_inputs::report_obejct): Save mtime; style fix.
1953         (Incremental_inputs::report_script): Save mtime; style fix.
1954         (Incremental_inputs::finalize_inputs): Style fix.
1955         (Incremental_inputs::finalize): Style fix.
1956         (Incremental_inputs::create_input_section_data): Store inputs
1957         mtime.
1958         * incremental.h (Incremental_inputs::report_script): Add mtime
1959         argument.
1960         (Incremental_inputs::Input_info::Input_info): Intialize only one
1961         union member.
1962         (Incremental_inputs::Input_info::archive): Move to nameless
1963         union.
1964         (Incremental_inputs::Input_info::obejct): Move to nameless union.
1965         (Incremental_inputs::Input_info::script): Move to nameless union.
1966         (Incremental_inputs::mtime): New field.
1967         * script.cc (read_input_script): Pass file mtime to
1968         Incremental_input.
1969         * script.h (Script_info::inputs): Style fix.
1970
1971 2009-07-01  Ian Lance Taylor  <ian@airs.com>
1972
1973         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
1974         instead of 32.
1975
1976 2009-06-24  Ian Lance Taylor  <iant@google.com>
1977
1978         PR 10156
1979         * layout.cc (Layout::choose_output_section): If we find an
1980         existing section, update the flags.
1981         (Layout::create_notes): New function, broken out of
1982         Layout::finalize.
1983         (Layout::finalize): Don't create note sections.
1984         (Layout::create_note): Don't crash if linker script discards
1985         section.
1986         (Layout::create_gold_note): Likewise.
1987         (Layout::create_build_id): Likewise.  Don't set
1988         after_input_sections on the section.
1989         (Layout::create_executable_stack_info): Remove target parameter.
1990         Change caller.
1991         * layout.h (class Layout): Declare create_notes.  Update
1992         declaration of create_executable_stack_info.
1993         * gold.cc (queue_middle_tasks): Call create_notes.
1994         * output.cc (Output_section::update_flags_for_input_section): Move
1995         here from output.h.  If SHF_ALLOC flag is newly set, mark address
1996         invalid.
1997         * output.h (Output_data::mark_address_invalid): New function.
1998         (class Output_section): Only declare, not define,
1999         update_flags_for_input_section.  Remove set_flags.
2000
2001 2009-06-24  Ian Lance Taylor  <iant@google.com>
2002
2003         * script-sections.cc (Output_section_definition::
2004         set_section_addresses): Rename shadowing local load_address to
2005         laddr.
2006
2007 2009-06-24  Ian Lance Taylor  <iant@google.com>
2008
2009         PR 10244
2010         * reloc.cc (relocate_sections): Skip empty relocation sections.
2011
2012 2009-06-23  Ian Lance Taylor  <iant@google.com>
2013
2014         PR 10156
2015         * layout.cc (Layout::create_note): Use choose_output_section
2016         rather than make_output_section.
2017
2018 2009-06-23  Ian Lance Taylor  <iant@google.com>
2019
2020         PR 10237
2021         * options.cc (General_options::parse_V): Set printed_version_.
2022         (General_options::General_options): Initialize printed_version_.
2023         * options.h (class General_options): Add printed_version_ field.
2024         * gold.cc (queue_initial_tasks): If there are no input files,
2025         don't give a fatal error if we printed the version information.
2026         (queue_middle_tasks): If using -r with a shared object, give a
2027         fatal error rather than an ordinary error.
2028
2029 2009-06-23  Ian Lance Taylor  <iant@google.com>
2030
2031         PR 10219
2032         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
2033         (Layout::make_output_section): Set have_stabstr_section_ if we see
2034         a .stab*str section.
2035         (Layout::finalize): Call link_stabs_sections.
2036         (Layout::link_stabs_sections): New file.
2037         * layout.h (class Layout): Add have_stabstr_section_ field.
2038         Declare link_stabs_sections.
2039
2040 2009-06-23  Doug Kwan  <dougkwan@google.com>
2041
2042         * Makefile.am (libgold_a_LIBADD): New.
2043         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
2044         * Makefile.in: Regenerate.
2045         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
2046         * configure: Regenerate.
2047         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
2048         * fileread.cc: Include sys/state.h
2049         * gold.h: Declare memmem and strndup if found missing.
2050         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
2051
2052 2009-06-23  Ian Lance Taylor  <iant@google.com>
2053
2054         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
2055         * configure: Rebuild.
2056
2057 2009-06-23  Ian Lance Taylor  <iant@google.com>
2058
2059         PR 10147
2060         * object.cc (Object::section_contents): Don't try to get a view if
2061         the section has length zero.
2062         (Object::handle_gnu_warning_section): If the section is empty, use
2063         the name of the section as the warning.
2064
2065 2009-06-23  Ian Lance Taylor  <iant@google.com>
2066
2067         PR 10133
2068         * stringpool.h (class Stringpool_template): Add optimize_ field.
2069         (Stringpool_template::set_optimize): New function.
2070         * stringpool.cc (Stringpool_template::Stringpool_template):
2071         Initialize optimize_ field.
2072         (Stringpool_template::set_string_offsets): Test local optimize
2073         fild rather than parameter.
2074         * layout.cc (Layout::Layout): Call set_optimize on the section
2075         name stringpool.
2076
2077 2009-06-22  Ian Lance Taylor  <iant@google.com>
2078
2079         PR 10030
2080         * yyscript.y: Parse TARGET.
2081         * script.cc (script_set_target): New function.
2082         * script-c.h (script_set_target): Declare.
2083         * options.cc (General_options::string_to_object_format): Rename
2084         from string_to_object_format in anonymous namespace.  Change
2085         callers.
2086         * options.h (class General_options): Declare
2087         string_to_object_format.
2088
2089 2009-06-22  Ian Lance Taylor  <iant@google.com>
2090
2091         * script-sections.cc (Script_sections::create_segments): Don't put
2092         program headers in a PT_LOAD segment if -n or -N.
2093
2094 2009-06-22  Ian Lance Taylor  <iant@google.com>
2095
2096         PR 10141
2097         * options.h (class General_options): Add -z lazy and -z now.  Sort
2098         -z options into alphabetical order.
2099         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
2100
2101 2009-06-21  Ian Lance Taylor  <iant@google.com>
2102
2103         * layout.cc (Layout::make_output_section): Call
2104         Target::new_output_section.
2105         (Layout::attach_allocated_section_to_segment): Put large section
2106         sections in a separate load segment with the large segment flag
2107         set.
2108         (Layout::segment_precedes): Sort large data segments after other
2109         load segments.
2110         (align_file_offset): New static function.
2111         (Layout::set_segment_offsets): Use align_file_offset.
2112         * output.h (class Output_section): Add is_small_section_ and
2113         is_large_section_ fields.
2114         (Output_section::is_small_section): New function.
2115         (Output_section::set_is_small_section):  New function.
2116         (Output_section::is_large_section): New function.
2117         (Output_section::set_is_large_section): New function.
2118         (Output_section::is_large_data_section): New function.
2119         (class Output_segment): Add is_large_data_segment_ field.
2120         (Output_segment::is_large_data_segment): New function.
2121         (Output_segment::set_is_large_data_segment): New function.
2122         * output.cc (Output_section::Output_section): Initialize new
2123         fields.
2124         (Output_segment::Output_segment): Likewise.
2125         (Output_segment::add_output_section): Add assertion that large
2126         data sections always go in large data segments.  Force small data
2127         sections to the end of the list of data sections.  Force small BSS
2128         sections to the start of the list of BSS sections.  For large BSS
2129         sections to the end of the list of BSS sections.
2130         * symtab.h (class Symbol): Declare is_common_shndx.
2131         (Symbol::is_defined): Check Symbol::is_common_shndx.
2132         (Symbol::is_common): Likewise.
2133         (class Symbol_table): Define enum Commons_section_type.  Update
2134         declarations.  Add small_commons_ and large_commons_ fields.
2135         * symtab.cc (Symbol::is_common_shndx): New function.
2136         (Symbol_table::Symbol_table): Initialize new fields.
2137         (Symbol_table::add_from_object): Put small and large common
2138         symbols in the right list.
2139         (Symbol_table::sized_finalized_symbol): Check
2140         Symbol::is_common_shndx.
2141         (Symbol_table::sized_write_globals): Likewise.
2142         * common.cc (Symbol_table::do_allocate_commons): Allocate new
2143         common symbol lists.  Don't call do_allocate_commons_list if the
2144         list is empty.
2145         (Symbol_table::do_allocate_commons_list): Remove is_tls
2146         parameter.  Add comons_section_type parameter.  Change all
2147         callers.  Handle small and large common symbols.
2148         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
2149         Symbol::is_common_shndx.
2150         * resolve.cc (symbol_to_bits): Likewise.
2151         * target.h (Target::small_common_shndx): New function.
2152         (Target::small_common_section_flags): New function.
2153         (Target::large_common_shndx): New function.
2154         (Target::large_common_section_flags): New function.
2155         (Target::new_output_section): New function.
2156         (Target::Target_info): Add small_common_shndx, large_common_shndx,
2157         small_common_section_flags, and large_common_section_flags
2158         fields.
2159         (Target::do_new_output_section): New virtual function.
2160         * arm.cc (Target_arm::arm_info): Initialize new fields.
2161         * i386.cc (Target_i386::i386_info): Likewise.
2162         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
2163         Likewise.
2164         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
2165         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
2166         (Target_x86_64::do_new_output_section): New function.
2167         * configure.ac: Define conditional MCMODEL_MEDIUM.
2168         * testsuite/Makefile.am (check_PROGRAMS): Add large.
2169         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
2170         (large_LDFLAGS): Define.
2171         * testsuite/large.c: New file.
2172         * testsuite/testfile.cc (Target_test::test_target_info):
2173         Initialize new fields.
2174         * configure, testsuite/Makefile.in: Rebuild.
2175
2176 2009-06-05  Doug Kwan  <dougkwan@google.com>
2177
2178         * Makefile.am (CCFILES): Add target.cc.
2179         * Makefile.in: Regenerate. 
2180         * i386.cc (class Target_i386): Define new virtual method to
2181         override do_is_local_label_name in parent.
2182         * object.cc (Sized_relobj::do_count_local_symbols): Discard
2183         local symbols if --discard-locals or -X is given.
2184         * options.h (class General_options): Declare new options
2185         '--discard-locals' and '-X' for discarding locals.
2186         * target.h (class Target): Define new methods is_local_label_name.
2187         Declare new virtual method do_is_local_label_name.
2188         * target.cc: New file.
2189         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
2190         (check_SCRIPTS): Add discard_locals_test.sh.
2191         (check_DATA): Add discard_local_tests.syms.
2192         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
2193         (discard_local_tests.syms, discard_locals_test.o): New make rules.
2194         * testsuite/Makefile.in: Regenerate.
2195         * testsuite/discard_locals_test.c: New file.
2196         * testsuite/discard_locals_test.sh: Same.
2197
2198 2009-06-05  Doug Kwan  <dougkwan@google.com>
2199
2200         * object.cc (Sized_relobj::Sized_relobj): Initialize
2201         discarded_eh_frame_shndx_ to -1U.
2202         (Sized_relobj::do_layout): Record index of a discard .eh_frame
2203         section.
2204         (Sized_relobj::do_count_local_symbols): Skip local symbols in
2205         a discarded .eh_frame section.
2206         (Sized_relobj::do_finalize_local_symbols): Ditto.
2207         * object.h (class Sized_relobj): Declare new member
2208         discarded_eh_frame_shndx_.
2209         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
2210         (local_labels_test.o, local_labels_test): New rules.
2211         * testsuite/Makefile.in: Regenerate.
2212
2213 2009-06-04  Doug Kwan  <dougkwan@google.com>
2214
2215         * layout.cc (Layout::section_name_mapping): Add mapping for
2216         special ARM sections.
2217
2218 2009-06-03  Doug Kwan  <dougkwan@google.com>
2219
2220         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
2221         (utils::has_overflow): Same.
2222
2223 2009-06-03  Ian Lance Taylor  <iant@google.com>
2224
2225         * layout.cc (Layout::section_name_mapping): New array, replacing
2226         Layout::linkonce_mapping.
2227         (Layout::section_name_mapping_count): New variable, replacing
2228         Layout::linkonce_mapping_count.
2229         (Layout::linkonce_output_name): Remove.
2230         (Layout::output_section_name): Rewrite.
2231         * layout.h (class Layout): Rename Linkonce_mapping to
2232         Section_name_mapping, linkonce_mapping to section_name_mapping,
2233         linkonce_mapping_count to section_name_mapping_count.  Don't
2234         declare linkonce_output_name.
2235
2236 2009-06-03  Doug Kwan  <dougkwan@google.com>
2237
2238         * gold/arm.cc (namespace utils): New.
2239         (Target_arm::reloc_is_non_pic): Define new method.
2240         (class Arm_relocate_functions): New.
2241         (Target_arm::Relocate::relocate): Handle relocation types used by
2242         Android.
2243
2244 2009-06-03  Ian Lance Taylor  <iant@google.com>
2245
2246         * arm.cc (Target_arm::scan::global): Use || instead of |.
2247
2248 2009-06-02  Doug Kwan  <dougkwan@google.com>
2249
2250         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
2251         issued_non_pic_error_.
2252         (class Target_arm::Scan): Declare new method check_non_pic.
2253         Define new method symbol_needs_plt_entry.
2254         Declare new data member issued_non_pic_error_.
2255         (class Target_arm::Relocate): Declare new method
2256         should_apply_static_reloc.
2257         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
2258         (Target_arm::Scan::check_non_pic): Define new method.
2259         (Target_arm::Scan::local): Handle a small subset of reloc types used
2260         by Android.
2261         (Target_arm::Scan::local): Same.
2262         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
2263
2264 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
2265
2266         * incremental.cc (Incremental_inputs::report_command_line): Filter
2267         out --incremental-* options.
2268
2269 2009-05-29  Doug Kwan  <dougkwan@google.com>
2270
2271         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
2272         template class.
2273         (class Target_arm): Update comment.
2274         (Target_arm::Target_arm): Initialize new data members GOT_,
2275         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
2276         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
2277         and Target_arm::rel_dyn_section.
2278         Declare new_enum Target_arm::Got_type.
2279         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
2280         and DYNBSS_.
2281         Update commments for member do_dynsym_value.
2282         (Target_arm::got_size, Target_arm::plt_section,
2283         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
2284         new methods inside class defintion.
2285         (Target_arm::got_section): Define new method.
2286         (Target_arm::rel_dyn_section): Same.
2287         (Output_data_plt_arm): New template class.
2288         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
2289         (Output_data_plt_arm:do_adjust_output_section): Define new method.
2290         (Output_data_plt_arm::add_entry): Same.
2291         (Output_data_plt_arm::first_plt_entry): Define new
2292         static data member for PLT instruction template.
2293         (Output_data_plt_arm::plt_entry): Same.
2294         (Output_data_plt_arm::do_write): Define new method.
2295         (Target_arm::make_plt_entry): Same.
2296         (Target_arm::do_finalize_sections): Same.
2297         (Target_arm::do_dynsym_value): Same.
2298
2299 2009-05-28  Doug Kwan  <dougkwan@google.com>
2300
2301         * Makefile.am (TARGETSOURCES): Add arm.cc.
2302         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
2303         * Makefile.in: Regenerate.
2304         * arm.cc: New file.
2305         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
2306
2307 2009-05-26  Doug Kwan  <dougkwan@google.com>
2308
2309         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
2310         (General_options::check_excluded_libs): Strip off directories in
2311         archive name before matching like GNU ld does.
2312         * testsuite/Makefile.am (MOSTLYCLEANFILES,
2313         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
2314         (exclude_libs_test_LDFLAGS): Add linker option
2315         -Wl,--exclude-libs,libexclude_libs_test_3
2316         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
2317         an explicit archive without using -l.
2318         (alt/libexclude_libs_test_3.a): New make rule.
2319         * testsuite/Makefile.in: Regenerate.
2320         * testsuite/exclude_libs_test.c : Declare lib3_default().
2321         (main): Call it.
2322         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
2323         * exclude_libs_test_3.c: New file.
2324
2325 2009-05-26  Nick Clifton  <nickc@redhat.com>
2326
2327         * po/id.po: New Indonesian translation.
2328         * po/gold.pot: Updated template file.
2329
2330 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
2331
2332         * testsuite/Makefile.am: Add -ffunction-sections to compile 
2333         gc_comdat_test files.  Add -Wl,--gc-sections to build
2334         gc_comdat_test.
2335         * testsuite/Makefile.in: Regenerate.
2336         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
2337
2338 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
2339
2340         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
2341         kept comdat section was garbage collected.
2342         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
2343         * testsuite/Makefile.in: Regenerate.
2344         * testsuite/gc_comdat_test.sh: New file.
2345         * testsuite/gc_comdat_test_1.cc: New file.
2346         * testsuite/gc_comdat_test_2.cc: New file.
2347
2348 2009-05-19  Doug Kwan  <dougkwan@google.com>
2349
2350         * archive.cc (Archive::Archive): Move constructor from archive.h
2351         to here.  Initialize no_export_.
2352         (Archive::get_elf_object_for_member): Set no_export flag of object.
2353         * archive.h (Archive::Archive): Move constructor body to
2354         archive.cc.
2355         (Archive::no_export): New method.
2356         (Archive::no_export_): New field.
2357         * object.h (Object::Object): Initialize no_export_ to false.
2358         (Object::no_export, Object::set_no_export): New methods.
2359         (Object::no_export_): New field.
2360         * options.cc (General_options::parse_exclude_libs): New method.
2361         (General_options::check_excluded_libs) Same.
2362         * options.h (exclude_libs): New option.
2363         (General_options::check_excluded_libs): New method declaration.
2364         (General_options::excluded_libs_): New field.
2365         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
2366         default or protected visibility if an object has no-export flag set.
2367         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
2368         (check_SCRIPTS): Add exclude_libs_test.sh.
2369         (check_DATA): Add exclude_libs_test.syms.
2370         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
2371         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
2372         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
2373         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
2374         (exclude_libs_test.syms, libexclude_libs_test_1.a,
2375         libexclude_libs_test_2.a): New rules.
2376         * testsuite/Makefile.in: Regenerate.
2377         * testsuite/exclude_libs_test.c: New file.
2378         * testsuite/exclude_libs_test.sh: Ditto.
2379         * testsuite/exclude_libs_test_1.c: Ditto.
2380         * testsuite/exclude_libs_test_2.c: Ditto.
2381
2382 2009-05-15  Ian Lance Taylor  <iant@google.com>
2383
2384         * configure.ac: Check for declarations for cases where libiberty.h
2385         checks HAVE_DECL_xxx.
2386         * configure, config.in: Rebuild.
2387
2388 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
2389
2390         * gold.h (Incremental_argument_list): Remove (invalid) forward
2391         declaration.
2392         * incremental.cc (Incremental_inputs::report_achive): New method.
2393         (Incremental_inputs::report_object): New method.
2394         (Incremental_inputs::report_script): New method.
2395         (Incremental_inputs::finalize_inputs): New method.
2396         (Incremental_inputs::finalize): Call finalize_inputs().
2397         (Incremental_inputs::sized_create_incremental_inputs_section_data):
2398         Create inputs entries.
2399         * incremental.h (Incremental_input_type): New enum.
2400         (Incremental_inputs::Incremental_input): Initialize new fields.
2401         (Incremental_inputs::report_inputs): New method.
2402         (Incremental_inputs::report_achive): New method.
2403         (Incremental_inputs::report_object): New method.
2404         (Incremental_inputs::report_script): New method.
2405         (Incremental_inputs::finalize_inputs): New method.
2406         (Incremental_inputs::Input_info): New struct.
2407         (Incremental_inputs::Input_info_map): New typedef.
2408         (Incremental_inputs::lock_): New field.
2409         (Incremental_inputs::Inputs_): New field.
2410         (Incremental_inputs::Inputs_map): New field.
2411         * main.cc (main): Call Incremental_input::report_inputs.
2412         * options.h (Input_argument_list): Typedef moved from
2413         Input_arguments.
2414         (Input_file_group::Files): Remove, use ::Input_argument_list.
2415         (Input_file_group::Input_argument_list): Remove, use
2416         ::Input_argument_list.
2417         * plugin.cc (Plugin_manager::add_input_file): Add error in
2418         incremental build.
2419         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
2420         functions.
2421         * script.cc (read_input_script): Call
2422         Incremental_input::report_script.
2423         * script.h (Script_info): New class.
2424
2425 2009-04-27  Ian Lance Taylor  <iant@google.com>
2426
2427         * x86_64.cc (do_adjust_output_section): Set entsize to
2428         plt_entry_size.
2429
2430 2009-04-23  Elliott Hughes  <enh@google.com>
2431
2432         * output.cc (Output_file::close): After short writes, continue
2433         writing from the correct offset in the buffer being written.
2434
2435 2009-04-23  Chris Demetriou  <cgd@google.com>
2436
2437         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
2438         * configure: Regenerate.
2439         * config.in: Regenerate.
2440         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
2441         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
2442
2443 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
2444
2445         * incremental.cc (Incremental_inputs_header_data): Renamed from
2446         Incremental_input_header_data.
2447         (Incremental_inputs_header_data::data_size): New field.
2448         (Incremental_inputs_header_data::put_input_file_count): Renamed
2449         from input_file_count.
2450         (Incremental_inputs_header_data::put_command_line_offset): Renamed
2451         from command_line_offset.
2452         (Incremental_inputs_header_data::put_reserved): Renamed from
2453         put_reserved.
2454         (Incremental_inputs_entry_data): Renamed from
2455         Incremental_input_entry_data.
2456         (Incremental_inputs_entry_data::data_size): New field.
2457         (Incremental_inputs::report_command_line): New method.
2458         (Incremental_inputs::finalize): New method.
2459         (Incremental_inputs::create_incremental_inputs_data): New method.
2460         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
2461         * incremental.h: New file.
2462         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
2463        (Layout::finalize): Create incremental inputs section in
2464         incremental builds.
2465        (Layout::create_incremental_info_sections): New method.
2466         * layout.h (Layout::incremental_inputs): New method.
2467        (Layout::create_incremental_info_sections): New method.
2468        (Layout::incremental_inputs_): New field.
2469         * main.cc (main): Notify Incremental_input of the command line.
2470
2471 2009-04-01  Ian Lance Taylor  <iant@google.com>
2472             Mikolaj Zalewski  <mikolajz@google.com>
2473
2474         * gold.h (reserve_unordered_map): Define, three versions, one for
2475         each version of Unordered_map.
2476         * layout.cc (Layout::Layout): Remove options parameter.  Add
2477         number_of_input_files parameter.  Don't initialize options_.
2478         Initialize number_of_input_files_ and resized_signatures_.  Move
2479         sections_are_attached_.
2480         (Layout::layout_group): Reserve space for group_signatures_.
2481         (Layout::find_or_add_kept_section): Change name parameter to be a
2482         reference.  Resize signatures_ map when it gets large enough.
2483         (Layout::layout_eh_frame): Use parameters->options() instead of
2484         this->options_.
2485         (Layout::make_output_section): Likewise.
2486         (Layout::attach_allocated_section_to_segment): Likewise.
2487         (Layout::finalize, Layout::create_executable_stack): Likewise.
2488         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
2489         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
2490         * layout.h (class Layout): Update declarations.  Remove options_
2491         field.  Add number_of_input_files_ and resized_signatures_
2492         fields.  Move sections_are_attached_ field.
2493         * main.cc (main): Pass number of input files to Layout
2494         constructor.  Don't pass options.
2495
2496 2009-03-30  Ian Lance Taylor  <iant@google.com>
2497
2498         * ffsll.c (ffsll): Correct implementation.
2499
2500 2009-03-27  Ian Lance Taylor  <iant@google.com>
2501
2502         * ffsll.c: New file.
2503         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
2504         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
2505         * ftruncate.c (ftruncate): Declare before definition.
2506         * mremap.c (mremap): Likewise.
2507         * pread.c (pread): Likewise.
2508         * configure, Makefile.in, config.in: Rebuild.
2509
2510         * mremap.c: New file.
2511         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
2512         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
2513         (mremap): Declare if HAVE_MREMAP is not defined.
2514         * configure, Makefile.in, config.in: Rebuild.
2515
2516 2009-03-27  Cary Coutant  <ccoutant@google.com>
2517
2518         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
2519         position independent.
2520         * sparc.cc (Target_sparc::check_non_pic): Likewise.
2521         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
2522
2523 2009-03-24  Cary Coutant  <ccoutant@google.com>
2524
2525         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
2526         an executable.
2527         (needs_dynamic_reloc): Likewise.
2528
2529 2009-03-24  Ian Lance Taylor  <iant@google.com>
2530
2531         * yyscript.y (file_cmd): Recognize EXTERN.
2532         (extern_name_list, extern_name_list_body): New nonterminals.
2533         * script.cc (script_add_extern): Define.
2534         * script-c.h (script_add_extern): Declare.
2535
2536 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
2537
2538         * object.cc (is_elf_object): Define.
2539         * object.h (is_elf_object): Declare.
2540         * archive.cc (Archive::get_elf_object_for_member): Call
2541         is_elf_object.
2542         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
2543
2544 2009-03-24  Elliott Hughes  <enh@google.com>
2545
2546         * output.cc (Output_file::map_anonymous): Define.
2547         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
2548         try an anonymous one.  Report the size if the mmap fails.
2549         * output.h (class Output_file): Declare map_anonymous.
2550
2551 2009-03-24  Ian Lance Taylor  <iant@google.com>
2552
2553         * target-select.cc (instantiate_target): Don't acquire the lock if
2554         the instantiated_target_ field has already been set.
2555
2556 2009-03-23  Ian Lance Taylor  <iant@google.com>
2557
2558         * gold-threads.h (class Initialize_lock): Define.
2559         * gold-threads.cc (class Initialize_lock_once): Define.
2560         (initialize_lock_control): New static variable.
2561         (initialize_lock_pointer): New static variable.
2562         (initialize_lock_once): New static function.
2563         (Initialize_lock::Initialize_lock): Define.
2564         (Initialize_lock::initialize): Define.
2565         * target-select.h: Include "gold-threads.h".
2566         (class Target_selector): Add lock_ and initialize_lock_ fields.
2567         Don't define instantiate_target, just declare it.
2568         * target-select.cc (Target_selector::Target_selector): Initialize
2569         new fields.
2570         (Target_selector::instantiate_target): Define.
2571         * descriptors.h: Include "gold-threads.h".
2572         (class Descriptors): Add initialize_lock_ field.
2573         * descriptors.cc (Descriptors::Descriptors): Initialize new
2574         field.
2575         (Descriptors::open): Use initialize_lock_ field
2576         * errors.h (class Errors): Add initialize_lock_ field.
2577         * errors.cc (Errors::Errors): Initialize new field.
2578         (Errors::initialize_lock): Use initialize_lock_ field.
2579         * powerpc.cc (class Target_selector_powerpc): Remove
2580         instantiated_target_ field.  In do_recognize call
2581         instantiate_target rather than do_instantiate_target.  In
2582         do_instantiate_target just allocate a new target.
2583         * sparc.cc (class Target_selector_sparc): Likewise.
2584
2585         * freebsd.h: New file.
2586         * i386.cc: Include "freebsd.h".
2587         (Target_i386): Derive from Target_freebsd rather than
2588         Sized_target.
2589         (Target_selector_i386): Derive from Target_selector_freebsd rather
2590         than Target_selector.
2591         * x86_64.cc: Include "freebsd.h".
2592         (Target_x86_64): Derive from Target_freebsd rather than
2593         Sized_target.
2594         (Target_selector_x86_64): Derive from Target_selector_freebsd
2595         rather than Target_selector.
2596         * target.h (class Target): Add adjust_elf_header and
2597         do_adjust_elf_header.
2598         * output.cc (Output_file_header:: do_sized_write): Call target
2599         adjust_elf_header routine.
2600         * configure.tgt: Set targ_osabi.
2601         * configure.ac: Define GOLD_DEFAULT_OSABI.
2602         * parameters.cc (Parameters::default_target): Pass
2603         GOLD_DEFAULT_OSABI to select_target.
2604         * target-select.h (class Target_selector): Make instantiate_target
2605         protected rather than private.
2606         * Makefile.am (HFILES): Add freebsd.h.
2607         * configure, Makefile.in, config.in: Rebuild.
2608
2609         * merge.cc (do_add_input_section): Correct pend value.  Change
2610         message about last entry not being null terminated from error to
2611         warning.
2612
2613 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
2614
2615         * incremental.cc: New file.
2616         * Makefile.am (CCFILES): Add incremental.cc.
2617         * Makefile.in: Rebuild.
2618
2619 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
2620
2621         * layout.cc (Layout::output_section_name): Preserve names
2622         of '.note.' sections.
2623         
2624 2009-03-19  Ian Lance Taylor  <iant@google.com>
2625
2626         * descriptors.cc (Descriptors::open): Check that the options are
2627         valid before using them.
2628
2629 2009-03-18  Ian Lance Taylor  <iant@google.com>
2630
2631         * script-sections.h: Include <list>.
2632         (class Script_sections): Change Sections_elements from std::vector
2633         to std::list.  Typedef public Elements_iterator.  Add
2634         orphan_section_placement_, data_segment_align_start_, and
2635         saw_data_segment_align_ fields.  Remove data_segment_align_index_
2636         field.
2637         * script-sections.cc (class Orphan_section_placement): New class.
2638         (class Sections_element): Add virtual functions is_relro and
2639         orphan_section_init.  Remove virtual function place_orphan_here.
2640         (class Output_section_definition): Add is_relro and
2641         orphan_section_init.  Remove place_orphan_here.
2642         (class Orphan_output_section): Likewise.
2643         (Script_sections::Script_sections): Update for field changes.
2644         (Script_sections::data_segment_align): Set saw_data_segment_align_
2645         and data_segment_align_start_, not data_segment_align_index.
2646         (Script_sections::data_segment_relro_end): Check
2647         saw_data_segment_align_.  Use data_segment_align_start_ rather
2648         than data_segment_align_index_.
2649         (Script_sections::place_orphan): Rewrite to use
2650         Orphan_section_placement.
2651
2652 2009-03-17  Ian Lance Taylor  <iant@google.com>
2653
2654         * archive.cc (Archive::add_symbols): Check for a version attached
2655         to the symbol name in the archive map.
2656         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
2657         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
2658         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
2659         (ver_test_11.a): New target.
2660         * testsuite/Makefile.in: Rebuild.
2661
2662         * configure.ac: Check for chsize and posix_fallocate.  Replace
2663         ftruncate.
2664         * ftruncate.c: New file, from gnulib.
2665         * output.cc (posix_fallocate): Define dummy version if not
2666         HAVE_POSIX_FALLOCATE.
2667         (Output_file::map): Call posix_fallocate rather than lseek and
2668         write.
2669         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
2670         * configure, Makefile.in, config.in: Rebuild.
2671
2672 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
2673         
2674         * layout.h (Layout::create_note): Add section_name parameter.
2675         * layout.cc (Layout::create_note): Likewise.
2676         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
2677         
2678 2009-03-17  Ian Lance Taylor  <iant@google.com>
2679
2680         * descriptors.cc: Include "options.h".
2681         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
2682         (Descriptors::open): Always use O_CLOEXEC when opening a new
2683         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
2684         then set FD_CLOEXEC.
2685
2686         * sparc.cc (class Target_sparc): Add has_got_section.
2687         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
2688         make sure we have a GOT section.
2689
2690         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
2691         (Target_sparc::Scan::local): Likewise.
2692         (Target_sparc::Scan::global): Likewise.
2693         (Target_sparc::Relocate::relocate): Likewise.
2694         (Target_sparc::Relocate::relocate_tls): Likewise.
2695
2696         * symtab.cc (Symbol_table::define_default_version): New function,
2697         broken out of add_from_object.
2698         (Symbol_table::add_from_object): Call define_default_version.
2699         (Symbol_table::define_special_symbol): Add resolve_oldsym
2700         parameter.  Change all callers.  If the version for a symbol comes
2701         from a version script, resolve it with the symbol with the same
2702         name with no version.  Also add the symbol without a version if
2703         appropriate.
2704         (do_define_in_output_data): If resolving with oldsym, don't delete
2705         sym.
2706         (do_define_in_output_segment): Likewise.
2707         (do_define_as_constant): Likewise.
2708         * symtab.h (class Symbol_table): Update declarations.
2709
2710 2009-03-13  Ian Lance Taylor  <iant@google.com>
2711
2712         * readsyms.cc (Read_symbols::incompatible_warning): New function.
2713         (Read_symbols::requeue): New function.
2714         (Read_symbols::do_read_symbols): If make_elf_object fails because
2715         the target type is not configured, and the file was searched for,
2716         issue a warning and retry with the next directory.
2717         (Add_symbols::run): If the file has an incompatible format, and
2718         it was searched for, requeue the Read_symbols task.  On error,
2719         release the object.
2720         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
2721         dirindex parameter to constructor.  Change all callers.  Declare
2722         incompatible_warning and requeue.
2723         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
2724         input_argument_ and input_group_ fields.  Add them to
2725         constructor.  Change all callers.
2726         (class Read_script): Add dirindex_ field.  Add it to constructor.
2727         Change all callers.
2728         * archive.cc (Archive::setup): Remove input_objects parameter.
2729         Change all callers.
2730         (Archive::get_file_and_offset): Likewise.
2731         (Archive::read_all_symbols): Likewise.
2732         (Archive::read_symbols): Likewise.
2733         (Archive::get_elf_object_for_member): Remove input_objects
2734         parameter.  Add punconfigured parameter.  Change all callers.
2735         (Archive::add_symbols): Change return type to bool.  Check return
2736         value of include_member.
2737         (Archive::include_all_members): Likewise.
2738         (Archive::include_member): Change return type to bool.  Return
2739         false if first included object has incompatible target.  Set
2740         included_member_ field.
2741         (Add_archive_symbols::run): If add_symbols returns false, requeue
2742         Read_symbols task.
2743         * archive.h (class Archive): Add included_member_ field.
2744         Initialize it in constructor.  Add input_file and searched_for
2745         methods.  Update declarations.
2746         (class Add_archive_symbols): Add dirpath_, dirindex_, and
2747         input_argument_ fields.  Add them to constructor.  Change all
2748         callers.
2749         * script.cc: Include "target-select.h".
2750         (class Parser_closure): Add skip_on_incompatible_target_ and
2751         found_incompatible_target_ fields.  Add
2752         skip_on_incompatible_target parameter to constructor.  Change all
2753         callers.  Add methods skip_on_incompatible_target,
2754         clear_skip_on_incompatible_target, found_incompatible_target, and
2755         set_found_incompatible_target.
2756         (read_input_script): Add dirindex parameter.  Change all callers.
2757         If parser finds an incompatible target, requeue Read_symbols
2758         task.
2759         (script_set_symbol): Clear skip_on_incompatible_target in
2760         closure.
2761         (script_add_assertion, script_parse_option): Likewise.
2762         (script_start_sections, script_add_phdr): Likewise.
2763         (script_check_output_format): New function.
2764         * script.h (read_input_script): Update declaration.
2765         * script-c.h (script_check_output_format): Declare.
2766         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
2767         (ignore_cmd): Remove OUTPUT_FORMAT.
2768         * fileread.cc (Input_file::Input_file): Add explicit this.
2769         (Input_file::will_search_for): New function.
2770         (Input_file::open): Add pindex parameter.  Change all callers.
2771         * fileread.h (class Input_file): Add input_file_argument method.
2772         Declare will_search_for.  Update declarations.
2773         * object.cc (make_elf_object): Add punconfigured parameter.
2774         Change all callers.
2775         * object.h (class Object): Make input_file public.  Add
2776         searched_for method.
2777         (make_elf_object): Update declaration.
2778         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
2779         restart search.
2780         * dirsearch.h (class Dirsearch): Update declaration.
2781         * options.h (class General_options): Add --warn-search-mismatch.
2782         * parameters.cc (Parameters::is_compatible_target): New function.
2783         * parameters.h (class Parameters): Declare is_compatible_target.
2784         * workqueue.cc (Workqueue::add_blocker): New function.
2785         * workqueue.h (class Workqueue): Declare add_blocker.
2786
2787         * fileread.cc (Input_file::open): Remove options parameter.
2788         Change all callers.
2789         (Input_file::open_binary): Likewise.
2790         * script.cc (read_input_script): Likewise.
2791         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
2792         options parameter from constructor.  Change all callers.
2793         (class Read_script): Likewise.
2794         * fileread.h (class Input_file): Update declarations.
2795         * script.h (read_input_script): Update declaration.
2796
2797 2009-03-10  Nick Clifton  <nickc@redhat.com>
2798
2799         * po/es.po: New Spanish translation.
2800
2801 2009-03-06  Cary Coutant  <ccoutant@google.com>
2802
2803         * options.cc (parse_short_option): Keep dash_z from registering itself.
2804
2805 2009-03-03  Ian Lance Taylor  <iant@google.com>
2806
2807         PR 9918
2808         * target-reloc.h (relocate_section): Pass output_section to
2809         relocate.
2810         * i386.cc (Target_i386::should_apply_static_reloc): Add
2811         output_section parameter.  Change all callers.
2812         (Target_i386::Relocate::relocate): Add output_section parameter.
2813         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
2814         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
2815         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
2816         * testsuite/two_file_shared.sh: New script.
2817         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
2818         (check_DATA): Add two_file_shared.dbg.
2819         (two_file_shared.dbg): New target.
2820         * testsuite/Makefile.in: Rebuild.
2821
2822 2009-03-01  Ian Lance Taylor  <iant@google.com>
2823
2824         * configure.ac: Check for byteswap.h.
2825         * configure: Rebuild.
2826         * config.in: Rebuild.
2827
2828 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
2829
2830         * layout.cc (Layout::find_or_add_kept_section): New function.
2831         (Layout::add_comdat): Removed.
2832         * layout.h (struct Kept_section): Move out of class Layout.
2833         Remove trailing underscores from field names.  Add group_sections
2834         field.  Rename group_ field to is_group.  Change all uses.
2835         (class Layout): Declare find_or_add_kept_section, not add_comdat.
2836         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
2837         comdat_groups_ field.
2838         (Sized_relobj::include_section_group): Use
2839         find_or_add_kept_section and Kept_section::group_sections.
2840         (Sized_relobj::include_linkonce_section): Likewise.
2841         * object.cc (class Sized_relobj): Don't define Comdat_group or
2842         Comdat_group_table.  Remove find_comdat_group and
2843         add_comdat_group.  Remove comdat_groups_ field.
2844         * plugin.cc (include_comdat_group): Use
2845         Layout::find_or_add_kept_section.
2846
2847 2009-02-28  Ian Lance Taylor  <iant@google.com>
2848
2849         * README: --gc-sections and map files are now supported.  Document
2850         some build requirements.
2851
2852         PR 6992
2853         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
2854         relocatable link set the value of the section symbol to zero.
2855         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
2856         relocatable link don't include the section address in the local
2857         symbol value.
2858
2859 2009-02-27  Ian Lance Taylor  <iant@google.com>
2860
2861         PR 6811
2862         * options.h (class Search_directory): Add is_system_directory.
2863         (class General_options): Declare is_in_system_directory.
2864         * options.cc (get_relative_sysroot): Make static.
2865         (get_default_sysroot): Make static.
2866         (General_optoins::is_in_system_directory): New function.
2867         * fileread.cc (Input_file::is_in_system_directory): New function.
2868         * fileread.h (class Input_file): Declare is_in_system_directory.
2869         * object.h (class Object): Add is_in_system_directory.
2870         (class Input_objects): Remove system_library_directory_ field.
2871         * object.cc (Input_objects::add_object): Don't set
2872         system_library_directory_.
2873         (input_objects::found_in_system_library_directory): Remove.
2874         * symtab.cc (Symbol_table::write_globals): Remove input_objects
2875         parameter.  Change all callers.
2876         (Symbol_table::sized_write_globals): Likewise.
2877         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
2878         Call Object::is_in_system_directory.
2879         * symtab.h (class Symbol_table): Update declarations.
2880
2881         PR 5990
2882         * descriptors.h (Open_descriptor): Add is_on_stack field.
2883         * descriptors.cc (Descriptors::open): If the descriptor is on the
2884         top of the stack, remove it.  Initialize is_on_stack field.
2885         (Descriptors::release): Only add pod to stack if it is not on the
2886         stack already.
2887         (Descriptors::close_some_descriptor): Clear stack_next and
2888         is_on_stack fields.
2889
2890         PR 7091
2891         * output.cc (Output_section::find_starting_output_address): Rename
2892         from starting_output_address; add PADDR parameter; change return
2893         type.
2894         * output.h (class Output_section): Declare
2895         find_starting_output_address instead of starting_output_address.
2896         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
2897         section symbol for which we can't find a merge section.
2898
2899         PR 9836
2900         * symtab.cc (Symbol_table::add_from_object): If the visibility is
2901         hidden or internal, force the symbol to be local.
2902         * resolve.cc (Symbol::override_visibility): Define.
2903         (Symbol::override_base): Use override_visibility.
2904         (Symbol_table::resolve): Likewise.
2905         (Symbol::override_base_with_special): Likewise.
2906         (Symbol_table::override_with_special): If the visibility is hidden
2907         or internal, force the symbol to be local.
2908         * symtab.h (class Symbol): Add set_visibility and
2909         override_visibility.
2910         * testsuite/ver_test_1.sh: New file.
2911         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
2912         (check_DATA): Add ver_test_1.syms.
2913         (ver_test_1.syms): New target.
2914         * testsuite/Makefile.in: Rebuild.
2915
2916 2009-02-25  Cary Coutant  <ccoutant@google.com>
2917
2918         * layout.cc (Layout::choose_output_section): Don't rename sections
2919         when using a linker script that has a SECTIONS clause.
2920         * Makefile.in: Regenerate.
2921
2922         * testsuite/Makefile.am (script_test_5.sh): New test case.
2923         * testsuite/Makefile.in: Regenerate.
2924         * testsuite/script_test_5.cc: New file.
2925         * testsuite/script_test_5.sh: New file.
2926         * testsuite/script_test_5.t: New file.
2927
2928 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
2929
2930         * archive.cc (Archive::include_member): Update calls to add_symbols.
2931         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
2932         the Layout argument.
2933         * dynobj.h (do_add_symbols): Add the Layout argument.
2934         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
2935         Layout argument.
2936         * object.h (Object::add_symbols): Add the Layout argument.
2937         (Object::do_add_symbols): Add the Layout argument.
2938         (Sized_relobj::do_add_symbols): Add the Layout argument.
2939         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
2940         Unify the two versions.
2941         (Add_plugin_symbols): Remove.
2942         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
2943         (Sized_pluginobj::do_add_symbols): Unify the two versions.
2944         (Add_plugin_symbols): Remove.
2945         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
2946         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
2947         (Add_symbols::run): Make it work with Pulginobj.
2948
2949 2009-02-06  Ian Lance Taylor  <iant@google.com>
2950
2951         * object.cc (Sized_relobj::do_layout): Make info message start
2952         with lower case letter.
2953
2954 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
2955
2956         * binary.cc: Fix file comment.
2957
2958         * options.h (enum Incremental_disposition): Define.
2959         (class General_options): Add new options: --incremental,
2960         --incremental_changed, --incremental_unchanged,
2961         --incremental_unknown.  Add incremental_disposition_ and
2962         implicit_incremental_ fields.
2963         (General_options::incremental_disposition): New function.
2964         (class Position_dependent_options): Add incremental_disposition
2965         option.
2966         (Position_dependent_options::copy_from_options): Set incremental
2967         dispositions.
2968         * options.cc (General_options::parse_incremental_changed): New
2969         function.
2970         (General_options::parse_incremental_unchanged): New function.
2971         (General_options::parse_incremental_unknown): New function.
2972         (General_options::General_options): Initialize new fields
2973         incremental_disposition_ and implicit_incremental_.
2974         (General_options::finalize): Check for uasge of --incremental-*
2975         without --incremental.
2976
2977 2009-02-06  Chris Demetriou  <cgd@google.com>
2978
2979         * gold.h (gold_undefined_symbol): Change to take only a Symbol
2980         pointer and to report location as the file name associated with
2981         the symbol.
2982         (gold_undefined_symbol_at_location): New function to replace the
2983         old gold_undefined_symbol functionality.
2984         * target-reloc.h (relocate_section): Update to use
2985         gold_undefined_symbol_at_location.
2986         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
2987         Call gold_undefined_symbol function rather than gold_error.
2988         * errors.h (Errors::undefined_symbol): Take location as a
2989         string, rather than calculating it from a relocation.
2990         * errors.cc (Errors::fatal): Print "fatal error:" before the
2991         formatted message.
2992         (Errors::error, Errors::error_at_location): Print "error: "
2993         before the formatted message.
2994         (Errors::undefined_symbol): Take location as a string, rather
2995         than calculating it from a relocation.
2996         (gold_undefined_symbol_at_location): New function akin to
2997         old gold_undefined_symbol, calculates location from relocation.
2998         (gold_undefined_symbol): Change to take only a Symbol pointer
2999         and to report location as the file name associated with the symbol.
3000         * testsuite/debug_msg.sh: Update for changed error messages.
3001         * testsuite/undef_symbol.sh: Likewise.
3002
3003 2009-02-04  Duncan Sands  <baldrick@free.fr>
3004
3005         PR 9812
3006         * reduced_debug_output.h
3007         (Output_reduced_debug_abbrev_section::failed): Use format for
3008         gold_warning.
3009         (Output_reduced_debug_info_section::faild): Likewise.
3010
3011 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
3012
3013         * script.cc (Lazy_demangler): New class.
3014         (Version_script_info::get_symbol_version_helper): Demangle a
3015         symbol only once.
3016
3017 2009-01-29  Cary Coutant  <ccoutant@google.com>
3018
3019         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
3020         to __tls_get_addr.
3021         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
3022
3023 2009-01-28  Ian Lance Taylor  <iant@google.com>
3024
3025         * version.cc (version_string): Bump to 1.9.
3026
3027         * gold.h: Include <cstring> and <stdint.h>.
3028         * version.cc: Include <cstdio>.
3029         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
3030         warning.
3031         * reduced_debug_output.cc (insert_into_vector): Rename from
3032         Insert_into_vector; change all callers.  Use Swap_unaligned to
3033         avoid aliasing issue; remove union since it is unnecessary.
3034
3035 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
3036
3037         * Makefile.am (CCFILES): Add gc.cc.
3038         (HFILES): Add gc.h.
3039         * Makefile.in: Regenerate.
3040         * gold.cc (Gc_runner): New class.
3041         (queue_initial_tasks): Call garbage collection related tasks
3042         when corresponding options are invoked.
3043         (queue_middle_gc_tasks): New function.
3044         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
3045         processed early before laying out sections during garbage collection.
3046         * gold.h (queue_middle_gc_tasks): New function.
3047         (is_prefix_of): Move from "layout.cc".
3048         * i386.cc (Target_i386::gc_process_relocs): New function.
3049         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
3050         * main.cc (main): Create object of class "Garbage_collection".
3051         * object.cc (Relobj::copy_symbols_data): New function.
3052         (Relobj::is_section_name_included): New function.
3053         (Sized_relobj::do_layout): Allow this function to be called twice 
3054         during garbage collection and defer layout of section during the 
3055         first call.
3056         * object.h (Relobj::get_symbols_data): New function.
3057         (Relobj::is_section_name_included): New function.
3058         (Relobj::copy_symbols_data): New function.
3059         (Relobj::set_symbols_data): New function.
3060         (Relobj::get_relocs_data): New function.
3061         (Relobj::set_relocs_data): New function.
3062         (Relobj::is_output_section_offset_invalid): New pure virtual function.
3063         (Relobj::gc_process_relocs): New function.
3064         (Relobj::do_gc_process_relocs): New pure virtual function.
3065         (Relobj::sd_): New data member.
3066         (Sized_relobj::is_output_section_offset_invalid): New function.
3067         (Sized_relobj::do_gc_process_relocs): New function.
3068         * options.h (General_options::gc_sections): Modify to not be a no-op.
3069         (General_options::print_gc_sections): New option.
3070         * plugin.cc (Plugin_finish::run): Remove function call to
3071         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
3072         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
3073         * reloc.cc (Read_relocs::run): Add task to process relocs and
3074         determine unreferenced sections when doing garbage collection.
3075         (Gc_process_relocs): New class.
3076         (Sized_relobj::do_gc_process_relocs): New function.
3077         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
3078         sections that are garbage collected.
3079         * reloc.h (Gc_process_relocs): New class.
3080         * sparc.cc (Target_sparc::gc_process_relocs): New function.
3081         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
3082         symbols whose corresponding sections are garbage collected.
3083         (Symbol_table::Symbol_table): Add new parameter for the garbage
3084         collection object.
3085         (Symbol_table::gc_mark_undef_symbols): New function.
3086         (Symbol_table::gc_mark_symbol_for_shlib): New function.
3087         (Symbol_table::gc_mark_dyn_syms): New function.
3088         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
3089         as garbage.
3090         (Symbol_table::add_from_object): Likewise.
3091         (Symbol_table::add_from_relobj): When building shared objects, do not
3092         treat externally visible symbols as garbage.
3093         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
3094         table information for static and relocatable links.
3095         * symtab.h (Symbol_table::set_gc): New function.
3096         (Symbol_table::gc): New function.
3097         (Symbol_table::gc_mark_undef_symbols): New function.
3098         (Symbol_table::gc_mark_symbol_for_shlib): New function.
3099         (Symbol_table::gc_mark_dyn_syms): New function.
3100         (Symbol_table::gc_): New data member.
3101         * target.h (Sized_target::gc_process_relocs): New pure virtual 
3102         function.
3103         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
3104         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
3105
3106 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
3107
3108         * options.h (General_options::gc_sections): Define as a no-op for now.
3109         (General_options::no_keep_memory): Ditto.
3110         (General_options::Bshareable): Define.
3111         * options.cc (General_options::finalize): Honor -Bshareable.
3112
3113 2009-01-20  Andreas Schwab  <schwab@suse.de>
3114
3115         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
3116         read the value in the contents, since we don't use it.  Use the
3117         template endianness when writing.
3118         (Relocate::relocate): Use it for R_PPC_REL16_HA.
3119
3120 2009-01-19  Andreas Schwab  <schwab@suse.de>
3121
3122         * configure.tgt (powerpc64-*): Fix targ_obj.
3123
3124 2009-01-15  Ian Lance Taylor  <iant@google.com>
3125
3126         * object.cc (Sized_relobj::write_local_symbols): Don't write out
3127         local symbols when stripping all symbols.
3128
3129 2009-01-14  Cary Coutant  <ccoutant@google.com>
3130
3131         * output.cc (Output_reloc): Add explicit instantiations.
3132
3133 2009-01-14  Cary Coutant  <ccoutant@google.com>
3134
3135         * archive.cc (Archive::get_elf_object_for_member): Remove call
3136         to File_read::claim_for_plugin.
3137         * descriptors.cc (Descriptors::open): Remove reference to
3138         is_claimed.
3139         (Descriptors::claim_for_plugin): Remove.
3140         * descriptors.h (Descriptors::claim_for_plugin): Remove.
3141         (Descriptors::is_claimed): Remove.
3142         (claim_descriptor_for_plugin): Remove.
3143         * fileread.cc (File_read::claim_for_plugin): Remove.
3144         * fileread.h (File_read::claim_for_plugin): Remove.
3145         (File_read::descriptor): Reopen descriptor if necessary.
3146         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
3147         (Plugin_manager::all_symbols_read): Add task parameter. Change
3148         all callers.
3149         (Plugin_manager::get_input_file): New function.
3150         (Plugin_manager::release_input_file): New function.
3151         (Pluginobj::Pluginobj): Add filesize parameter and initialize
3152         corresponding data member.
3153         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
3154         and pass to base constructor. Change all callers.
3155         (get_input_file, release_input_file): New functions.
3156         (make_sized_plugin_object): Add filesize parameter. Change all callers.
3157         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
3158         (Plugin_manager::all_symbols_read): Add task parameter.
3159         (Plugin_manager::get_input_file): New function.
3160         (Plugin_manager::release_input_file): New function.
3161         (Plugin_manager::task_): New data member.
3162         (Pluginobj::Pluginobj): Add filesize parameter.
3163         (Pluginobj::filename): New function.
3164         (Pluginobj::descriptor): New function.
3165         (Pluginobj::filesize): New function.
3166         (Pluginobj::filesize_): New data member.
3167         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
3168         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
3169         File_read::claim_for_plugin; use Object::unlock to unlock the file.
3170
3171         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
3172         with archive libraries.
3173         * testsuite/Makefile.in: Regenerate.
3174         * testsuite/plugin_test.c (struct sym_info): New type.
3175         (get_input_file, release_input_file): New static variables.
3176         (onload): Capture new transfer vector entries.
3177         (claim_file_hook): Stop reading at end of file according to filesize.
3178         Factor out parsing of readelf output into separate function.
3179         (all_symbols_read_hook): Exercise get_input_file and release_input_file
3180         APIs and get the source file name from the symbol table.  Convert
3181         source file name to corresponding object file name.  Print info
3182         message when adding new input files.
3183         (parse_readelf_line): New function.
3184         * testsuite/plugin_test_1.sh: Add checks for new info messages.
3185         * testsuite/plugin_test_2.sh: Likewise.
3186         * testsuite/plugin_test_3.sh: Likewise.
3187         * testsuite/plugin_test_4.sh: New test case.
3188
3189 2009-01-07  Ian Lance Taylor  <iant@google.com>
3190
3191         * version.cc (version_string): Bump to 1.8.
3192
3193 2008-12-23  Cary Coutant  <ccoutant@google.com>
3194
3195         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
3196         * plugin.cc (Plugin_manager::finish): Rename as
3197         layout_deferred_objects.  Move cleanup to separate function.
3198         (Plugin_manager::cleanup): New function.
3199         (Plugin_finish::run): Call layout_deferred_objects and cleanup
3200         separately.
3201         * plugin.h (Plugin_manager::finish): Rename as
3202         layout_deferred_objects.
3203         (Plugin_manager::cleanup): New function.
3204         (Plugin_manager::cleanup_done): New field.
3205
3206 2008-12-23  Cary Coutant  <ccoutant@google.com>
3207
3208         * plugin.cc (is_visible_from_outside): New function.
3209         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
3210         so we don't return "IR only" status for exported symbols or -r links.
3211
3212         * testsuite/Makefile.am (plugin_test_3): New test case.
3213         * testsuite/Makefile.in: Regenerate.
3214         * testsuite/plugin_test_3.sh: New file.
3215
3216 2008-12-22  Cary Coutant  <ccoutant@google.com>
3217
3218         * object.cc (Sized_relobj::layout_section): New function.
3219         (Sized_relobj::do_layout): Defer layout of input sections until after
3220         plugin has provided replacement files.
3221         (Sized_relobj::do_layout_deferred_sections): New function.
3222         * object.h (Relobj::set_section_offset): Remove virtual keyword.
3223         (Relobj::layout_deferred_sections): New function.
3224         (Relobj::do_layout_deferred_sections): New function.
3225         (Sized_relobj::do_layout_deferred_sections): New function.
3226         (Sized_relobj::layout_section): New function.
3227         (Sized_relobj::Deferred_layout): New structure.
3228         (Sized_relobj::deferred_layout_): New field.
3229         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
3230         Change all callers.  Layout deferred sections.
3231         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
3232         references.
3233         (Plugin_hook::run): Move code from do_plugin_hook inline.
3234         (Plugin_hook::do_plugin_hook): Remove.
3235         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
3236         (Plugin_manager::finish): Renamed, was cleanup.
3237         (Plugin_manager::should_defer_layout): New function.
3238         (Plugin_manager::add_deferred_layout_object): New function.
3239         (Plugin_manager::Deferred_layout_list): New type.
3240         (Plugin_manager::deferred_layout_objects_): New field.
3241         (Plugin_hook::do_plugin_hook): Remove.
3242
3243 2008-12-17  Ian Lance Taylor  <iant@google.com>
3244
3245         * options.h (class General_options): Add --no case for
3246         --export-dynamic.
3247
3248 2008-12-16  Cary Coutant  <ccoutant@google.com>
3249
3250         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
3251         vector.
3252         (Plugin_manager::claim_file): Create plugin object even if
3253         plugin did not call the add_symbols callback.
3254         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
3255         asking for more symbols than were added.
3256         * testsuite/Makefile.am (plugin_test_1): Add test case with
3257         no global symbols.
3258         (empty.syms): New target.
3259         * testsuite/Makefile.in: Regenerate.
3260         * testsuite/plugin_test.c (claim_file_hook): Add new debug
3261         message. Don't call add_symbols if no globals.
3262         (all_symbols_read_hook): Don't provide replacement for empty
3263         claimed file.
3264
3265 2008-12-12  Ian Lance Taylor  <iant@google.com>
3266
3267         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
3268         r_type == 0 for a local symbol with r_sym == 0.
3269         (scan_relocatable_relocs): Pass r_sym to
3270         local_non_section_strategy.
3271         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
3272         r_sym parameter.
3273
3274         * configure.ac: Update test for TLS descriptors: they are
3275         supported as of glibc 2.9.
3276         * configure: Rebuild.
3277
3278 2008-12-11  Ian Lance Taylor  <iant@google.com>
3279
3280         PR 7091
3281         * target-reloc.h (Default_scan_relocatable_relocs): For each
3282         function, map r_type == 0 to RELOC_DISCARD.
3283
3284 2008-12-10  Cary Coutant  <ccoutant@google.com>
3285
3286         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
3287         object to override a kept COMDAT group from a plugin object.
3288
3289 2008-12-09  Ian Lance Taylor  <iant@google.com>
3290
3291         PR 7088
3292         * yyscript.y (file_cmd): Handle INPUT.
3293
3294         * testsuite/initpri1.c: Change all declarations to be full
3295         prototypes by adding void, to avoid compiler warnings.
3296
3297 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
3298
3299         * options.cc (General_options::parse_plugin_opt): New.
3300         (General_options::add_plugin): The argument now is just the filename.
3301         (General_options::add_plugin_option): New.
3302         * options.h (plugin_opt): New.
3303         (add_plugin): Change argument name.
3304         (add_plugin_option): New.
3305         * plugin.cc (Plugin::load): Don't parse the plugin option.
3306         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
3307         (Plugin::add_option): New.
3308         (Plugin::args_): Change type.
3309         (Plugin::filename_): New.
3310         (Plugin_manager::add_plugin_option): New.
3311         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
3312         * testsuite/Makefile.in: Regenerate.
3313
3314 2008-12-05  Cary Coutant  <ccoutant@google.com>
3315
3316         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
3317         Handle --strip-lto-sections option.
3318         * options.h (strip_lto_sections): New option.
3319
3320 2008-12-01  Cary Coutant  <ccoutant@google.com>
3321
3322         * plugin.cc (ld_plugin_message): Change format parameter to const.
3323         Fix mismatch between new[] and delete.
3324
3325 2008-11-14  Cary Coutant  <ccoutant@google.com>
3326
3327         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
3328         instead of -1U.
3329
3330 2008-11-05  Craig Silverstein  <csilvers@google.com>
3331
3332         * options.cc (General_options::parse_dynamic_list): New function.
3333         * options.h (General_options): New flags dynamic_list,
3334         dynamic_list_data, dynamic_list_cpp_new, and
3335         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
3336         (General_options::in_dynamic_list): New function.
3337         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
3338         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
3339         (Lex::can_continue_name): Likewise.
3340         (yylex): Likewise.
3341         (read_script_file): New parameter script_options.
3342         (read_dynamic_list): New function.
3343         (Script_options::define_dynamic_list): New function.
3344         (dynamic_list_keyword_parsecodes): New variable.
3345         (dynamic_list_keywords): New variable.
3346         * script.h (Script_options::define_dynamic_list): New function
3347         prototype.
3348         (read_dynamic_list): New function prototype.
3349         * symtab.cc (strprefix): New macro.
3350         (Symbol::should_add_dynsym_entry): Support dynamic_list,
3351         dynamic_list_data, dynamic_list_cpp_new, and
3352         dynamic_list_cpp_typeinfo.
3353         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
3354         (dynamic_list_expr): New rule.
3355         (dynamic_list_nodes): Likewise.
3356         (dynamic_list_node): Likewise.
3357         * testsuite/Makefile.am (dynamic_list): New test.
3358         * testsuite/Makefile.in: Regenerated.
3359         * testsuite/dynamic_list.t: New file.
3360         * testsuite/dynamic_list.sh: New file.
3361
3362 2008-11-05  Craig Silverstein  <csilvers@google.com>
3363
3364         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
3365         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
3366         (t11_last): Likewise.
3367         * testsuite/ver_test_6.c (main): Likewise.
3368
3369 2008-10-07  Cary Coutant  <ccoutant@google.com>
3370
3371         * options.c (General_options::finalize): Add check for -static and
3372         -shared.
3373         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
3374         is not empty.
3375
3376 2008-10-02  Cary Coutant  <ccoutant@google.com>
3377
3378         * plugin.cc (make_sized_plugin_object): Fix conditional
3379         compilation to work when not all targets are enabled.
3380
3381 2008-09-29  Cary Coutant  <ccoutant@google.com>
3382
3383         * archive.cc (Archive::get_file_and_offset): Use filename instead
3384         of name to get library path.
3385         (Archive::include_member): Unlock external member of a thin archive.
3386
3387         * testsuite/Makefile.am (TEST_AR): New variable.
3388         (thin_archive_test_1): New test.
3389         (thin_archive_test_2): New test.
3390         * testsuite/Makefile.in: Regenerate.
3391         * testsuite/thin_archive_main.cc: New file.
3392         * testsuite/thin_archive_test_1.cc: New file.
3393         * testsuite/thin_archive_test_2.cc: New file.
3394         * testsuite/thin_archive_test_3.cc: New file.
3395         * testsuite/thin_archive_test_4.cc: New file.
3396
3397 2008-09-29  Cary Coutant  <ccoutant@google.com>
3398
3399         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
3400         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
3401         instead of -1U.
3402         (Sized_relobj::do_finalize_local_symbols): Likewise.
3403         (Sized_relobj::map_to_kept_section): Likewise.
3404         * object.h (Sized_relobj::invalid_address): New constant.
3405         (Sized_relobj::do_output_section_offset): Check for invalid_address
3406         and return -1ULL.
3407         * output.cc (Output_reloc::local_section_offset): Use constant
3408         invalid_address instead of -1U.
3409         (Output_reloc::get_address): Likewise.
3410         (Output_section::output_address): Change -1U to -1ULL.
3411         * output.h (Output_reloc::invalid_address): New constant.
3412         * reloc.cc (Sized_relobj::write_sections): Use constant
3413         invalid_address instead of -1U.
3414         (Sized_relobj::relocate_sections): Likewise.
3415         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
3416         values for merge sections.
3417         * target-reloc.h (relocate_for_relocatable): Use constant
3418         invalid_address instead of -1U.
3419
3420 2008-09-19  Cary Coutant  <ccoutant@google.com>
3421
3422         Add plugin functionality for link-time optimization (LTO).
3423         * configure.ac (plugins): Add --enable-plugins option.
3424         * configure: Regenerate.
3425         * config.in: Regenerate.
3426         * Makefile.am (LIBDL): New variable.
3427         (CCFILES): Add plugin.cc.
3428         (HFILES): Add plugin.h.
3429         (ldadd_var): Add LIBDL.
3430         * Makefile.in: Regenerate.
3431
3432         * archive.cc: Include "plugin.h".
3433         (Archive::setup): Don't preread archive symbols when using a plugin.
3434         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
3435         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
3436         files.
3437         (Archive::include_member): Add symbols from plugin objects.
3438         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
3439         * descriptors.cc (Descriptors::open): Check for file descriptors
3440         abandoned by plugins.
3441         (Descriptors::claim_for_plugin): New function.
3442         * descriptors.h (Descriptors::claim_for_plugin): New function.
3443         (Open_descriptor::is_claimed): New field.
3444         (claim_descriptor_for_plugin): New function.
3445         * fileread.cc (File_read::claim_for_plugin): New function.
3446         * fileread.h (File_read::claim_for_plugin): New function.
3447         (File_read::descriptor): New function.
3448         * gold.cc: Include "plugin.h".
3449         (queue_initial_tasks): Add task to call plugin hooks for generating
3450         new object files.
3451         * main.cc: Include "plugin.h".
3452         (main): Load plugin libraries.
3453         * object.h (Pluginobj): Declare.
3454         (Object::pluginobj): New function.
3455         (Object::do_pluginobj): New function.
3456         (Object::set_target): New function.
3457         * options.cc: Include "plugin.h".
3458         (General_options::parse_plugin): New function.
3459         (General_options::General_options): Initialize plugins_ field.
3460         (General_options::add_plugin): New function.
3461         * options.h (Plugin_manager): Declare.
3462         (General_options): Add --plugin option.
3463         (General_options::has_plugins): New function.
3464         (General_options::plugins): New function.
3465         (General_options::add_plugin): New function.
3466         (General_options::plugins_): New field.
3467         * plugin.cc: New file.
3468         * plugin.h: New file.
3469         * readsyms.cc: Include "plugin.h".
3470         (Read_symbols::do_read_symbols): Check for archive before checking
3471         for ELF file.  Call plugin hooks to claim files.
3472         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
3473         from a real object file; force override when processing replacement
3474         files.
3475         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
3476         (Symbol::init_base_object): Likewise.
3477         (Symbol::init_base_output_data): Likewise.
3478         (Symbol::init_base_output_segment): Likewise.
3479         (Symbol::init_base_constant): Likewise.
3480         (Symbol::init_base_undefined): Likewise.
3481         (Symbol::output_section): Assert that object is not a plugin.
3482         (Symbol_table::add_from_pluginobj): New function.
3483         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
3484         undefined.
3485         (Symbol_table::sized_write_globals): Likewise.
3486         (Symbol_table::add_from_pluginobj): Instantiate template.
3487         * symtab.h (Sized_pluginobj): Declare.
3488         (Symbol::in_real_elf): New function.
3489         (Symbol::set_in_real_elf): New function.
3490         (Symbol::in_real_elf_): New field.
3491         (Symbol_table::add_from_pluginobj): New function.
3492
3493         * testsuite/Makefile.am (AM_CFLAGS): New variable.
3494         (LIBDL): New variable.
3495         (LDADD): Add LIBDL.
3496         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
3497         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
3498         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
3499         (MOSTLYCLEANFILES): Likewise.
3500         * testsuite/Makefile.in: Regenerate.
3501         * testsuite/plugin_test.c: New file.
3502         * testsuite/plugin_test_1.sh: New file.
3503         * testsuite/plugin_test_2.sh: New file.
3504
3505 2008-09-16  Ian Lance Taylor  <iant@google.com>
3506
3507         * target-reloc.h (relocate_section): Check whether a symbol is
3508         defined by the ABI before reporting an undefined symbol error.
3509         * target.h (Target::is_defined_by_abi): Make parameter const.
3510         (Target::do_is_defined_by_abi): Likewise.
3511         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
3512         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
3513         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
3514         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
3515         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
3516         * testsuite/Makefile.in: Rebuild.
3517
3518         * fileread.cc (make_view): Add casts to avoid warning.
3519
3520 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
3521
3522         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
3523         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
3524
3525 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
3526
3527         * options.h (General_options::output_is_executable): New.
3528         (General_options::output_is_pie): New.
3529         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
3530         for shared libraries.
3531         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
3532
3533 2008-09-11  Chris Demetriou  <cgd@google.com>
3534
3535         * options.h (origin): New -z option.
3536         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
3537         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
3538         in DT_FLAGS_1.
3539
3540 2008-09-05  Cary Coutant  <ccoutant@google.com>
3541
3542         * fileread.cc (File_read::make_view): Add check for attempt to map
3543         beyond end of file.
3544
3545 2008-09-05  Cary Coutant  <ccoutant@google.com>
3546
3547         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
3548         explicit instantiations.
3549
3550 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
3551
3552         PR gold/6858
3553         * options.cc (General_options::finalize): Allow undefined symbols
3554         in shlibs if linking -shared.
3555
3556         PR gold/6859
3557         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
3558         symbols as not needing a dynsym entry.
3559
3560 2008-08-20  Craig Silverstein  <csilvers@google.com>
3561
3562         * fileread.cc (File_read::open): Do not lock the file unless it
3563         was successfully opened.
3564
3565 2008-08-14  Cary Coutant  <ccoutant@google.com>
3566
3567         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
3568         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
3569         * testsuite/tls_test.cc (struct int128): 128-bit struct
3570         for testing TLS relocs with non-zero addend.
3571         (v12): New TLS variable.
3572         (t12): New test.
3573         (t_last): Add check for v12.
3574         * testsuite/tls_test.h (t12): New function.
3575         * testsuite/tls_test_main.cc (thread_routine): Call new test.
3576
3577 2008-08-13  Ian Lance Taylor  <iant@google.com>
3578
3579         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
3580         set tls_segment_ or relro_segment_.
3581         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
3582         when appropriate.
3583         * output.h (Output_section::clear_is_relro): New function.
3584         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
3585         sections specially even when output_data_ is empty.
3586         (Output_segment::maximum_alignment): When first section is relro,
3587         only force alignment for PT_LOAD segments.
3588         * script.cc (script_data_segment_align): New function.
3589         (script_data_segment_relro_end): New function.
3590         * script-c.h (script_data_segment_align): Declare.
3591         (script_data_segment_relro_end): Declare.
3592         * script-sections.h (class Script_sections): Declare
3593         data_segment_align and data_segment_relro_end.  Add fields
3594         segment_align_index_ and saw_relro_end_.
3595         * script-sections.cc (class Sections_element): Add set_is_relro
3596         virtual function.  Add new bool* parameter to place_orphan_here.
3597         Add get_output_section virtual function.
3598         (class Output_section_definition): Add set_is_relro.  Add new
3599         bool* parameter to place_orphan_here.  Add get_output_section.
3600         Add is_relro_ field.
3601         (Output_section_definition::Output_section_definition): Initialize
3602         evaluated_address_, evaluated_load_address, evaluated_addralign_,
3603         and is_relro_ fields.
3604         (Output_section_definition::place_orphan_here): Add is_relro
3605         parameter.
3606         (Output_section_definition::set_section_addresses): Set relro for
3607         output section.
3608         (Output_section_definition::alternate_constraint): Likewise.
3609         (class Orphan_output_section): Add new bool* parameter to
3610         place_orphan_here.  Add get_output_section.
3611         (Orphan_output_section::place_orphan_here): Add is_relro
3612         parameter.
3613         (Script_sections::Script_sections): Initialize
3614         data_segment_align_index_ and saw_relro_end_.
3615         (Script_sections::data_segment_align): New function.
3616         (Script_sections::data_segment_relro_end): New function.
3617         (Script_sections::place_orphan): Set or clear is_relro.
3618         (Script_sections::set_section_addresses): Force alignment of first
3619         TLS section.
3620         * yyscript.y (exp): Call script_data_segment_align and
3621         script_data_segment_relro_end.
3622         * testsuite/relro_script_test.t: New file.
3623         * testsuite/relro_test.cc (using_script): Declare.
3624         (t1, t2): Test using_script.
3625         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
3626         (relro_script_test_SOURCES): Define.
3627         (relro_script_test_DEPENDENCIES): Define.
3628         (relro_script_test_LDFLAGS): Define.
3629         (relro_script_test_LDADD): Define.
3630         (relro_script_test.so): New target.
3631         * testsuite/Makefile.in: Rebuild.
3632
3633 2008-08-06  Cary Coutant <ccoutant@google.com>
3634
3635         * archive.cc (Archive::total_archives, Archive::total_members)
3636         (Archive::total_members_loaded): New variables.
3637         (Archive::setup): Add parameter.  Add option to preread
3638         archive symbols.
3639         (Archive::read_armap): Add counter.
3640         (Archive::get_file_and_offset): New function.
3641         (Archive::get_elf_object_for_member): New function.
3642         (Archive::read_all_symbols): New function.
3643         (Archive::read_symbols): New function.
3644         (Archive::add_symbols): Add counters.
3645         (Archive::include_all_members): Use armap to find members if it's
3646         already built.
3647         (Archive::include_member): Skip reading symbols if already read.
3648         Factored code into Archive::get_file_and_offset and
3649         Archive::get_elf_object_for_member.  Changed call to
3650         Mapfile::report_include_archive_member.
3651         (Archive::print_stats): New function.
3652         * archive.h: Declare Object and Read_symbols_data classes.
3653         (Archive::Archive): Add initializers for new members.
3654         (Archive::setup): Add parameter.
3655         (Archive::print_stats): New function.
3656         (Archive::total_archives, Archive::total_members)
3657         (Archive::total_members_loaded): New variables.
3658         (Archive::get_file_and_offset): New function.
3659         (Archive::get_elf_object_for_member): New function.
3660         (Archive::read_all_symbols): New function.
3661         (Archive::read_symbols): New function.
3662         (Archive::Archive_member): New class.
3663         (Archive::members_): New member.
3664         (Archive::num_members_): New member.
3665         * main.cc: Include archive.h.
3666         (main): Call Archive::print_stats.
3667         * mapfile.cc (Mapfile::report_include_archive_member): Delete
3668         archive parameter; member_name is now the fully-decorated name.
3669         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
3670         * options.h: (General_options): Add --preread-archive-symbols option.
3671         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
3672         Archive::setup.
3673
3674 2008-08-04  Ian Lance Taylor  <iant@google.com>
3675
3676         * symtab.h (Symbol::use_plt_offset): New function.
3677         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
3678         * powerpc.cc (Relocate::relocate): Likewise.
3679         * sparc.cc (Relocate::relocate): Likewise.
3680         * x86_64.cc (Relocate::relocate): Likewise.
3681         * testsuite/weak_plt.sh: New test.
3682         * testsuite/weak_plt_main.cc: New test.
3683         * testsuite/weak_plt_shared.cc: New test.
3684         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
3685         (check_PROGRAMS): Add weak_plt.
3686         (check_DATA): Add weak_plt_shared.so.
3687         (weak_plt_main_pic.o, weak_plt): New targets.
3688         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
3689         * testsuite/Makefile.in: Rebuild.
3690
3691         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
3692         gcctestdir/ld.
3693         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
3694         * testsuite/Makefile.in: Rebuild.
3695
3696 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
3697
3698         * Makefile.am (POTFILES.in): Set LC_ALL=C.
3699         * Makefile.in: Regenerate.
3700         * po/POTFILES.in: Regenerate.
3701
3702 2008-07-29  Ian Lance Taylor  <iant@google.com>
3703
3704         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
3705         symbols before other symbols.
3706         * testsuite/script_test_2.cc (test_addr): Declare.
3707         (test_addr_alias): Declare.
3708         (main): Check that test_addr and test_addr_alias have the right
3709         values.
3710         * testsuite/script_test_2.t: Define test_addr_alias and
3711         test_addr.
3712
3713 2008-07-24  Ian Lance Taylor  <iant@google.com>
3714
3715         PR 5990
3716         * descriptors.cc: New file.
3717         * descriptors.h: New file.
3718         * gold-threads.h (class Hold_optional_lock): New class.
3719         * fileread.cc: Include "descriptors.h".
3720         (File_read::~File_read): Release descriptor rather than closing
3721         it.
3722         (File_read::open) [file]: Call open_descriptor rather than open.
3723         Set is_descriptor_opened_.
3724         (File_read::open) [memory]: Assert that descriptor is not open.
3725         (File_read::reopen_descriptor): New function.
3726         (File_read::release): Release descriptor.
3727         (File_read::do_read): Make non-const.  Reopen descriptor.
3728         (File_read::read): Make non-const.
3729         (File_read::make_view): Reopen descriptor.
3730         (File_read::do_readv): Likewise.
3731         * fileread.h (class File_read): Add is_descriptor_opened_ field.
3732         Update declarations.
3733         * layout.cc: Include "descriptors.h".
3734         (Layout::create_build_id): Use open_descriptor rather than open.
3735         * output.cc: Include "descriptors.h".
3736         (Output_file::open): Use open_descriptor rather than open.
3737         * archive.cc (Archive::const_iterator): Change Archive to be
3738         non-const.
3739         (Archive::begin, Archive::end): Make non-const.
3740         (Archive::count_members): Likewise.
3741         * archive.h (class Archive): Update declarations.
3742         * object.h (Object::read): Make non-const.
3743         * Makefile.am (CCFILES): Add descriptors.cc.
3744         (HFILES): Add descriptors.h.
3745         * Makefile.in: Rebuild.
3746
3747         PR 6716
3748         * gold.h: Always include <clocale>.  Add Solaris workarounds
3749         following code in binutils/sysdep.h.
3750
3751         PR 6048
3752         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
3753         this->eh_frame_hdr_ is NULL before using it.
3754
3755         * dynobj.cc (Versions::Versions): Update comment.
3756
3757         * dynobj.cc (Versions::Versions): If there is an soname, use it as
3758         the base version name.
3759
3760         * stringpool.cc (Stringpool_template::add_with_length): Set key to
3761         array size plus one.
3762         (Stringpool_template::set_string_offsets): Subtract one from key
3763         before using it as an array index.
3764         (Stringpool_template::get_offset_with_length): Likewise.
3765         (Stringpool_template::write_to_buffer): Likewise.
3766         * stringpool.h (Stringpool_template::get_offset_from_key):
3767         Likewise.
3768
3769 2008-07-23  Ian Lance Taylor  <iant@google.com>
3770
3771         PR 6658
3772         * object.h (Merged_symbol_value::value): Do our best to handle a
3773         negative addend.
3774
3775         PR 6647
3776         * script.cc (Version_script_info::get_versions): Don't add empty
3777         version tag to return value.
3778         (Version_script_info::get_symbol_version_helper): Change return
3779         type to bool.  Add pversion parameter.  Change all callers.
3780         (script_register_vers_node): Don't require a non-NULL tag.
3781         * script.h (class Version_script_info): Update declarations.
3782         (Version_script_info::get_symbol_version): Change return type to
3783         bool.  Add version parameter.  Change all callers.
3784         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
3785         handling.  Handle an empty version from a version script.
3786         (Symbol_table::define_special_symbol): Likewise.
3787         * testsuite/ver_test_10.script: New file.
3788         * testsuite/ver_test_10.sh: New file.
3789         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
3790         (check_DATA): Add ver_test_10.syms.
3791         (ver_test_10.syms, ver_test_10.so): New target.
3792         * testsuite/Makefile.in: Rebuild.
3793
3794 2008-07-23  Simon Baldwin  <simonb@google.com>
3795
3796         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
3797         to zero for undefined symbols from dynamic libraries.
3798
3799 2008-07-23  Ian Lance Taylor  <iant@google.com>
3800
3801         * symtab.cc (Symbol_table::resolve): Remove version parameter.
3802         Change all callers.
3803         * symtab.h (class Symbol_table): Update declaration.
3804         * testsuite/ver_test_9.cc: New file.
3805         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
3806         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
3807         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
3808         (ver_test_9.so, ver_test_9.o): New targets.
3809         * testsuite/Makefile.in: Rebuild.
3810
3811 2008-07-22  Ian Lance Taylor  <iant@google.com>
3812
3813         * options.h (class General_options): Define --check-sections.
3814         * layout.cc (Layout::set_segment_offsets): Handle
3815         --check-sections.
3816
3817         * options.h (class General_options): Define -n/--nmagic and
3818         -N/--omagic.
3819         * options.cc (General_options::finalize): For -n/--nmagic or
3820         -N/--omagic, set -static.
3821         * layout.cc (Layout::attach_allocated_section_to_segment): If
3822         -N/--omagic, don't put read-only and read-write sections in
3823         different segments.
3824         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
3825         finding a read-only segment.
3826         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
3827         don't set the minimum segment alignment to the common page size,
3828         and don't set the file offset to the address modulo the page size.
3829         * script-sections.cc (Script_sections::create_segments): If
3830         -n/--omagic, don't put read-only and read-write sections in
3831         different segments.
3832
3833         * cref.cc: New file.
3834         * cref.h: New file.
3835         * options.h (class General_options): Add --print-symbol-counts.
3836         * main.cc (main): Issue defined symbol report if requested.
3837         * archive.cc (Archive::interpret_header): Make into a const member
3838         function.
3839         (Archive::add_symbols): Call Input_objects::archive_start and
3840         archive_stop.
3841         (Archive::const_iterator): Define new class.
3842         (Archive::begin, Archive::end): New functions.
3843         (Archive::include_all_members): Rewrite to use iterator.
3844         (Archive::count_members): New function.
3845         * archive.h (class Archive): Update declarations.
3846         (Archive::filename): New function.
3847         * object.cc: Include "cref.h".
3848         (Sized_relobj::Sized_relobj): Initialize defined_count_.
3849         (Sized_relobj::do_get_global_symbol_counts): New function.
3850         (Input_objects::add_object): Add object to cross-referencer.
3851         (Input_objects::archive_start): New function.
3852         (Input_objects::archive_stop): New function.
3853         (Input_objects::print_symbol_counts): New function.
3854         * object.h: Declare Cref and Archive.
3855         (Object::get_global_symbol_counts): New function.
3856         (Object::do_get_global_symbol_counts): New pure virtual function.
3857         (class Sized_relobj): Add defined_count_ field.  Update
3858         declarations.
3859         (class Input_objects): Add cref_ field.  Update constructor.
3860         Update declarations.
3861         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
3862         defined_count_.
3863         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
3864         symbol counts.
3865         (Sized_dynobj::do_get_global_symbol_counts): New function.
3866         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
3867         defined_count_.  Update declarations.  Define Symbols typedef.
3868         * symtab.cc (Symbol_table::add_from_relobj): Add defined
3869         parameter.  Change all callers.
3870         (Symbol_table::add_from_dynobj): Add sympointers and defined
3871         parameters.  Change all callers.
3872         * symtab.h (class Symbol_table): Update declarations.
3873         * Makefile.am (CCFILES): Add cref.cc.
3874         (HFILES): Add cref.h.
3875         * Makefile.in: Rebuild.
3876
3877 2008-07-22  Simon Baldwin  <simonb@google.com>
3878
3879         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
3880         to zero when writing undefined symbols.
3881
3882 2008-07-22  Ian Lance Taylor  <iant@google.com>
3883
3884         * output.cc (Output_section::add_input_section): Don't try to
3885         merge empty merge sections.
3886
3887 2008-07-21  Craig Silverstein  <csilvers@google.com>
3888
3889         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
3890         Include symbol version in error message.
3891
3892 2008-07-20  Chris Demetriou  <cgd@google.com>
3893
3894         * configure.ac (gold_cv_c_random_seed): New configured variable.
3895         (RANDOM_SEED_CFLAGS): New substituted variable.
3896         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
3897         * configure: Rebuild.
3898         * Makefile.in: Likewise.
3899         * testsuite/Makefile.in: Likewise.
3900
3901 2008-07-18  Ian Lance Taylor  <iant@google.com>
3902
3903         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
3904         where we see NAME/NULL and NAME/VERSION  as separate symbols.
3905         * testsuite/ver_test_main.cc (main): Call t4.
3906         (t4, t4_2a): Define.
3907         * testsuite/ver_test_2.cc (t4_2): Define.
3908         * testsuite/ver_test_2.script: Put t4_2a in VER2.
3909         * testsuite/ver_test_4.cc (t4_2a): Define.
3910         * testsuite/ver_test_4.script: Put t4_2a in VER2.
3911         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
3912
3913 2008-07-17  Ian Lance Taylor  <iant@google.com>
3914
3915         * dynobj.cc (Versions::add_def): If we give an error about a
3916         missing version, go ahead and create the version anyhow.
3917
3918 2008-07-10  Ian Lance Taylor  <iant@google.com>
3919
3920         Handle output sections with more than 0x7fffffff bytes.
3921         * object.h (class Relobj): Change map_to_output_ to
3922         output_sections_, and just keep a section pointer.  Change all
3923         uses.  Move comdat group support to Sized_relobj.
3924         (Relobj::is_section_specially_mapped): Remove.
3925         (Relobj::output_section): Remove poff parameter.  Change all
3926         callers.
3927         (Relobj::output_section_offset): New function.
3928         (Relobj::set_section_offset): Rewrite.
3929         (Relobj::map_to_output): Remove.
3930         (Relobj::output_sections): New function.
3931         (Relobj::do_output_section_offset): New pure virtual function.
3932         (Relobj::do_set_section_offset): Likewise.
3933         (class Sized_relobj): Add section_offsets_ field.  Add comdat
3934         group support from Relobj.  Update declarations.
3935         (Sized_relobj::get_output_section_offset): New function.
3936         (Sized_relobj::do_output_section_offset): New function.
3937         (Sized_relobj::do_set_section_offset): New function.
3938         * object.cc (Relobj::output_section_address): Remove.
3939         (Sized_relobj::Sized_relobj): Initialize new fields.
3940         (Sized_relobj::include_section_group): Cast find_kept_object to
3941         Sized_relobj.
3942         (Sized_relobj::include_linkonce_section): Likewise.
3943         (Sized_relobj::do_layout): Use separate arrays for output section
3944         and output offset.
3945         (Sized_relobj::do_count_local_symbols): Change map_to_output to
3946         output_sections.
3947         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
3948         output_sections and section_offsets.
3949         (Sized_relobj::write_local_symbols): Likewise.
3950         (map_to_kept_section): Compute output address directly.
3951         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
3952         output_sections and section_offsets.
3953         (Sized_relobj::write_sections): Likewise.
3954         (Sized_relobj::relocate_sections): Likewise.
3955         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
3956         * output.h (class Output_reloc): Update declarations.  Change
3957         u2_.relobj to Sized_relobj*.
3958         (class Output_data_reloc): Change add functions to use
3959         Sized_relobj*.
3960         * output.cc (Output_reloc::Output_reloc): Change relobj to
3961         Sized_relobj*.
3962         (Output_reloc::local_section_offset): Change return type to
3963         Elf_Addr.  Use get_output_section_offset.
3964         (Output_reloc::get_address): Likewise.
3965         (Output_section::is_input_address_mapped): Don't call
3966         is_section_specially_mapped.
3967         (Output_section::output_offset): Likewise.
3968         (Output_section::output_address): Likewise.
3969         (Output_section::starting_output_address): Likewise.
3970         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
3971         parameter to Sized_relobj*.
3972         (Copy_relocs::need_copy_reloc): Likewise.
3973         (Copy_relocs::save): Likewise.
3974         * copy-relocs.h (class Copy_relocs): Update declarations.
3975         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
3976         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
3977         * target-reloc.h (relocate_for_relocatable): Change
3978         offset_in_output_section type to Elf_Addr.  Change code that uses
3979         it as well.
3980         * layout.cc (Layout::layout): Always set *off.
3981         * mapfile.cc (Mapfile::print_input_section): Use
3982         output_section_offset.
3983         * i386.cc (Target_i386::copy_reloc): Change object parameter to
3984         Sized_relobj*.
3985         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
3986         * sparc.cc (Target_sparc::copy_reloc): Likewise.
3987         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
3988
3989 2008-07-03  Ian Lance Taylor  <iant@google.com>
3990
3991         * layout.cc (Layout::include_section): Do not discard unrecognized
3992         SHT_STRTAB sections.
3993
3994 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
3995
3996         * script.cc (Lex::can_continue_name): Make '?' allowable in
3997         version-script names.
3998         * testsuite/version_script.map: Change glob pattern to use '?'
3999
4000 2008-06-30  Manish Singh  <yosh@gimp.org>
4001
4002         PR 6585
4003         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
4004         Correct typo.
4005
4006 2008-06-30  Ian Lance Taylor  <iant@google.com>
4007
4008         PR 6660
4009         PR 6682
4010         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
4011         versions]: Don't try to read the value in the contents, since we
4012         don't use it.  Use the template endianness when writing.
4013
4014 2008-06-25  Cary Coutant  <ccoutant@google.com>
4015
4016         * fileread.cc (File_read::make_view): Assert on zero-length view.
4017         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
4018         symbol table when there are no symbols to read.
4019
4020 2008-06-23  Craig Silverstein  <csilvers@google.com>
4021
4022         * version.cc (version_string): Bump to 1.7
4023
4024 2008-06-18  Craig Silverstein  <csilvers@google.com>
4025
4026         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
4027         constant 0xFFFF to type Valtype.
4028         (Powerpc_relocate_functions::rel16_ha): Likewise.
4029
4030 2008-06-17  Ian Lance Taylor  <iant@google.com>
4031
4032         * output.h (Output_section::Input_section): Initialize p2align_ to
4033         zero for Output_section_data constructors.
4034         (Output_section::Input_section::addralign): If not an input
4035         section, return the alignment of the Output_section_data.
4036         * testsuite/copy_test.cc: New file.
4037         * testsuite/copy_test_1.cc: New file.
4038         * testsuite/copy_test_2.cc: New file.
4039         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
4040         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
4041         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
4042         (copy_test_1_pic.o, copy_test_1.so): New targets.
4043         (copy_test_2_pic.o, copy_test_2.so): New targets.
4044         * testsuite/Makefile.in: Rebuild.
4045
4046         * script-sections.cc (Script_sections::place_orphan): Initialize
4047         local variable exact.
4048
4049 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
4050
4051         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
4052
4053 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
4054             David S. Miller  <davem@davemloft.net>
4055
4056         * powerpc.cc: New file.
4057         * Makefile.am (TARGETSOURCES): Add powerpc.cc
4058         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
4059         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
4060         * Makefile.in: Rebuild.
4061
4062 2008-06-09  Ian Lance Taylor  <iant@google.com>
4063
4064         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
4065         <exception>.
4066         (throwing, orig_terminate): New static variables.
4067         (terminate_handler): New static function.
4068         (t2): Set terminate handler.
4069
4070 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
4071
4072         PR 6584
4073         * binary.cc (Binary_to_elf::sized_convert): Fix .data
4074         alignment.
4075
4076 2008-05-30  Cary Coutant  <ccoutant@google.com>
4077
4078         * archive.cc (Archive::include_all_members) Correct to step
4079         over symbol table and extended name table in thin archives.
4080
4081 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
4082
4083         PR 6407
4084         * target-reloc.h (relocate_for_relocatable): Fix new_offset
4085         calculation.
4086
4087 2008-05-28  Caleb Howe  <cshowe@google.com>
4088
4089         * reduced_debug_output.cc: New file.
4090         * reduced_debug_output.h: New file.
4091         * options.h (class General_options): Add --strip-debug-non-line.
4092         * options.cc (General_options::finalize): Add strip_debug_non_line
4093         to the strip heirarchy.
4094         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
4095         fields.
4096         * layout.cc: Include "reduced_debug_output.h".
4097         (Layout::Layout): Initialize new fields.
4098         (line_only_debug_sections): New static array.
4099         (is_lines_only_debug_sections): New static inline function.
4100         (Layout::include_section): Handle --strip-debug-non-line.
4101         (Layout::make_output_section): If --strip-debug-non-line, build
4102         new output sections for .debug_abbrev and .debug_info.
4103         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
4104         gold.  Warn about possible overflow.
4105         (read_signed_LEB_128): Likewise.
4106         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
4107         (read_signed_LEB_128): Declare.
4108         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
4109         (HFILES): Add reduced_debug_output.h.
4110         * Makefile.in: Rebuild.
4111
4112 2008-05-21  Ian Lance Taylor  <iant@google.com>
4113
4114         * mapfile.cc: New file.
4115         * mapfile.h: New file.
4116         * options.h (class General_options): Add -M/--print-map and -Map.
4117         * options.cc (General_options::finalize): Make -M equivalent to
4118         -Map -.
4119         * main.cc: Include <cstdio> and "mapfile.h".
4120         (main): Open mapfile if requested.
4121         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
4122         constructor.  Change caller.
4123         (queue_initial_tasks): Add mapfile parameter.  Change caller.
4124         (queue_middle_tasks): Likewise.
4125         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
4126         declarations.
4127         * archive.cc: Include "mapfile.h".
4128         (Archive::add_symbols): Add mapfile parameter.  Change all
4129         callers.  Pass mapfile, symbol, and reason to include_member.
4130         (Archive::include_all_members): Add mapfile parameter.  Change all
4131         callers.
4132         (Archive::include_member): Add mapfile, sym, and why parameters.
4133         Change all callers.  Report inclusion to map file.
4134         * archive.h: Include "fileread.h".
4135         (class Archive): Update declarations.
4136         (Archive::file): New const method.
4137         (class Add_archive_symbols): Add mapfile_ field.  Update
4138         constructor.  Change all callers.
4139         * readsyms.h (class Read_symbols): Likewise.
4140         (class Finish_group): Likewise.
4141         (class Read_script): Likewise.
4142         * common.cc: Include "mapfile.h".
4143         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
4144         all callers.
4145         (Symbol_table::do_allocate_commons): Likewise.
4146         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
4147         symbol allocation to mapfile.
4148         * common.h (class Allocate_commons_task): Add mapfile_ field.
4149         Update constructor.  Change all callers.
4150         * symtab.h (class Symbol_table): Update declarations.
4151         * layout.cc: Include "mapfile.h".
4152         (Layout_task_runner::run): Print information to mapfile.
4153         (Layout::create_gold_note): Change Output_data_fixed_space to
4154         Output_data_zero_fill.
4155         (Layout::create_build_id): Likewise.
4156         (Layout::print_to_mapfile): New function.
4157         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
4158         constructor.  Change caller.
4159         (class Layout): Declare print_to_mapfile.
4160         * output.cc (Output_section::Input_section::print_to_mapfile): New
4161         function.
4162         (Output_section::add_input_section): If producing a map, always
4163         add to input_sections_ list.
4164         (Output_section::do_print_to_mapfile): New function.
4165         (Output_segment::print_sections_to_mapfile): New function.
4166         (Output_segment::print_section_list_to_mapfile): New function.
4167         * output.h: Include "mapfile.h".
4168         (Output_data::print_to_mapfile): New function.
4169         (Output_data::do_print_to_mapfile): New virtual function.
4170         (Output_segment_headers::do_print_to_mapfile): New function.
4171         (Output_file_header::do_print_to_mapfile): New function.
4172         (Output_data_const::do_print_to_mapfile): New function.
4173         (class Output_data_const_buffer): Add map_name_ field.  Update
4174         constructor.  Change all callers.  Add do_print_to_mapfile
4175         function.
4176         (class Output_data_fixed_space): Likewise.
4177         (class Output_data_space): Likewise.
4178         (class Output_data_zero_fill): New class.
4179         (Output_data_strtab::do_print_to_mapfile): New function.
4180         (Output_data_reloc_base::do_print_to_mapfile): New function.
4181         (Output_relocatable_relocs::do_print_to_mapfile): New function.
4182         (Output_data_group::do_print_to_mapfile): New function.
4183         (Output_data_got::do_print_to_mapfile): New function.
4184         (Output_data_dynamic::do_print_to_mapfile): New function.
4185         (Output_symtab_xindex::do_print_to_mapfile): New function.
4186         (class Output_section): Declare do_print_to_mapflie.  Declare
4187         print_to_mapfile in Input_section.
4188         (class Output_segment): Declare new functions.
4189         * object.h (Sized_relobj::symbol_count): New function.
4190         * script-sections.cc
4191         (Output_section_element_dot_assignment::set_section_addresses):
4192         Change Output_data_fixed_space to Output_data_zero_fill.
4193         (Output_data_expression::do_print_to_mapfile): New function.
4194         * script.cc (read_input_script): Add mapfile parameter.  Change
4195         all callers.
4196         * script.h (read_input_script): Update declaration.
4197         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
4198         (Eh_frame::do_print_to_mapfile): New function.
4199         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
4200         (Output_merge_string::do_print_to_mapfile): New function.
4201         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
4202         function.
4203         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
4204         function.
4205         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
4206         function.
4207         * Makefile.am (CCFILES): Add mapfile.cc.
4208         (HFILES): Add mapfile.h.
4209         * Makefile.in: Rebuild.
4210
4211 2008-05-19  Ian Lance Taylor  <iant@google.com>
4212
4213         * options.h (class General_options): Add -z relro.
4214         * layout.cc (Layout::Layout): Initialize relro_segment_.
4215         (Layout::add_output_section_data): Return the output section.
4216         (Layout::make_output_section): Rcognize relro sections and mark
4217         them appropriately.
4218         (Layout::attach_allocated_section_to_segment): Put relro sections
4219         in a PT_GNU_RELRO segment.
4220         (Layout::create_initial_dynamic_sections): Mark the .dynamic
4221         section as relro.
4222         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
4223         PT_TLS segments.
4224         (Layout::linkonce_mapping): Map d.rel.ro.local to
4225         .data.rel.ro.local.
4226         (Layout::output_section_name): Us .data.rel.ro.local for any
4227         section which begins with that.
4228         * layout.h (class Layout): Update add_output_section_data
4229         declaration.  Add relro_segment_ field.
4230         * output.cc (Output_section::Output_section): Initialize is_relro_
4231         and is_relro_local_ fields.
4232         (Output_segment::add_output_section): Group relro sections.
4233         (Output_segment::is_first_section_relro): New function.
4234         (Output_segment::maximum_alignment): If there is a relro section,
4235         align the segment to the common page size.
4236         (Output_segment::set_section_addresses): Track whether we are
4237         looking at relro sections.  If the last section is a relro
4238         section, align to the common page size.
4239         (Output_segment::set_section_list_addresses): Add in_relro
4240         parameter.  Change all callers.  Align to the page size when
4241         moving from relro to non-relro section.
4242         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
4243         segment.
4244         * output.h (class Output_section): Add is_relro_ and
4245         is_relro_local_ fields.
4246         (Output_section::is_relro): New function.
4247         (Output_section::set_is_relro): New function.
4248         (Output_section::is_relro_local): New function.
4249         (Output_section::set_is_relro_local): New function.
4250         (class Output_segment): Update declarations.
4251         * i386.cc (Target_i386::got_section): Mark .got section as relro.
4252         * sparc.cc (Target_sparc::got_section): Likewise.
4253         * x86_64.cc (Target_x86_64::got_section): Likewise.
4254         * testsuite/relro_test_main.cc: New file.
4255         * testsuite/relro_test.cc: New file.
4256         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
4257         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
4258         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
4259         (relro_test.so, relro_test_pic.o): New targets.
4260         * testsuite/Makefile.in: Rebuild.
4261
4262 2008-05-16  Ian Lance Taylor  <iant@google.com>
4263
4264         * output.cc (Output_segment::add_output_section): Remove front
4265         parameter.
4266         * output.h (class Output_segment): Remove
4267         add_initial_output_section and overloaded add_output_section.
4268         Update declaration of remaining add_output_section.
4269         * layout.cc (Layout::create_interp): Call add_output_section
4270         rather than add_initial_output_section.
4271         (Layout::finish_dynamic_section): Likewise.
4272
4273         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
4274         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
4275         know the dynamic type.
4276         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
4277         field.  Initialize it in constructor.
4278         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
4279         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
4280         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
4281         reloc.
4282
4283         * output.cc (Output_reloc::get_address): Change return type to
4284         Elf_Addr.
4285         * output.h (class Output_reloc): Update get_address declaration.
4286         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
4287         for section addresses.
4288
4289 2008-05-09  Ian Lance Taylor  <iant@google.com>
4290
4291         PR 6493
4292         * gold.cc (gold_nomem): Use return value of write.
4293
4294 2008-05-08  Ian Lance Taylor  <iant@google.com>
4295
4296         * symtab.c (Symbol::init_base_output_data): Add version
4297         parameter.  Change all callers.
4298         (Symbol::init_base_output_segment): Likewise.
4299         (Symbol::init_base_constant): Likewise.
4300         (Symbol::init_base_undefined): Likewise.
4301         (Sized_symbol::init_output_data): Likewise.
4302         (Sized_symbol::init_output_segment): Likewise.
4303         (Sized_symbol::init_constant): Likewise.
4304         (Sized_symbol::init_undefined): Likewise.
4305         (Symbol_table::do_define_in_output_data): If the new symbol has a
4306         version, mark it as the default.
4307         (Symbol_table::do_define_in_output_segment): Likewise.
4308         (Symbol_table::do_define_as_constant): Likewise.
4309         * symtab.h (class Symbol): Update declarations.
4310         (class Sized_symbol): Likewise.
4311         * resolve.cc (Symbol::override_version): New function.
4312         (Symbol::override_base): Call override_version.
4313         (Symbol::override_base_with_special): Likewise.
4314         * testsuite/ver_script_8.script: New file.
4315         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
4316         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
4317         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
4318         (ver_test_8_1.so, ver_test_8_2.so): New targets.
4319
4320 2008-05-06  Ian Lance Taylor  <iant@google.com>
4321
4322         PR 6049
4323         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
4324         functions.
4325         (class General_options): Remove existing --undefined, and add
4326         --no-undefined instead.  Add new --undefined as synonym for -u.
4327         * archive.cc (Archive::add_symbols): Check whether symbol was
4328         named with -u.
4329         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
4330         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
4331         all uses.  Add IS_UNDEFINED.  Update declarations to split
4332         different versions of init_base.  Declare init_base_undefined.
4333         (Symbol::is_defined): Handle IS_UNDEFINED.
4334         (Symbol::is_undefined): Likewise.
4335         (Symbol::is_weak_undefined): Call is_undefined.
4336         (Symbol::is_absolute): Handle IS_CONSTANT.
4337         (class Sized_symbol): Update declarations to split different
4338         versions of init.  Declare init_undefined.
4339         (class Symbol_table): Declare new functions.
4340         * symtab.cc (Symbol::init_base_object): Rename from init_base.
4341         Change all callers.
4342         (Symbol::init_base_output_data): Likewise.
4343         (Symbol::init_base_output_segment): Likewise.
4344         (Symbol::init_base_constant): Likewise.
4345         (Symbol::init_base_undefined): New function.
4346         (Sized_symbol::init_object): Rename from init.  Change all
4347         callers.
4348         (Sized_symbol::init_output_data): Likewise.
4349         (Sized_symbol::init_output_segment): Likewise.
4350         (Sized_symbol::init_constant): Likewise.
4351         (Sized_symbol::init_undefined): New function.
4352         (Symbol_table::add_undefined_symbols_from_command_line): New
4353         function.
4354         (Symbol_table::do_add_undefined_symbols_from_command_line): New
4355         function.
4356         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
4357         (Symbol::output_section): Likewise.
4358         (Symbol::set_output_section): Likewise.
4359         (Symbol_table::sized_finalize_symbol): Likewise.
4360         (Symbol_table::sized_write_globals): Likewise.
4361         * resolve.cc (Symbol_table::should_override): Likewise.
4362         (Symbol::override_base_with_special): Likewise.
4363
4364         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
4365         symbol, change it to have default visibility.
4366         * testsuite/protected_1.cc: New file.
4367         * testsuite/protected_2.cc: New file.
4368         * testsuite/protected_3.cc: New file.
4369         * testsuite/protected_main_1.cc: New file.
4370         * testsuite/protected_main_2.cc: New file.
4371         * testsuite/protected_main_3.cc: New file.
4372         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
4373         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
4374         (protected_1_LDFLAGS, protected_1_LDADD): Define.
4375         (protected_1.so): New target.
4376         (protected_1_pic.o, protected_2_pic.o): New targets.
4377         (protected_3_pic.o): New target.
4378         (check_PROGRAMS): Add protected_2.
4379         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
4380         (protected_2_LDFLAGS, protected_2_LDADD): Define.
4381         * testsuite/Makefile.in: Rebuild.
4382
4383         * options.h (DEFINE_var): Add set_user_set_##varname__.
4384         (DEFINE_bool_alias): New macro.
4385         (class General_options): Define -Bstatic using DEFINE_bool_alias
4386         rather than DEFINE_special.  Add --undefined as an alias for -z
4387         defs.
4388         * options.cc (General_options::parse_Bstatic): Remove.
4389
4390         * options.h (class General_options): Add --fatal-warnings.
4391         * main.cc (main): Implement --fatal-warnings.
4392         * errors.h (Errors::warning_count): New function.
4393
4394         * options.h (class General_options): Add -Bsymbolic-functions.
4395         * symtab.h (Symbol::is_preemptible): Check for
4396         -Bsymbolic-functions.
4397
4398 2008-05-05  Ian Lance Taylor  <iant@google.com>
4399
4400         * options.h (DEFINE_bool): For DASH_Z, create the negative option
4401         as noVARNAME rather than no-VARNAME.
4402         (class General_options): Add option -z combreloc.
4403         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
4404         get_address.
4405         (Output_reloc::sort_before) [SHT_REL]: New function.
4406         (Output_reloc::sort_before) [SHT_RELA]: New function.
4407         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
4408         Sort_relocs_comparison.
4409         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
4410         parameter.  Change all callers.
4411         (Output_data_reloc::Output_data_reloc) [both versions]: Add
4412         sort_relocs parameter.  Change all callers.
4413         * output.cc (Output_reloc::get_address): New function, broken out
4414         of write_rel.
4415         (Output_reloc::write_rel): Call it.
4416         (Output_reloc::compare): New function.
4417         (Output_data_reloc_base::do_write): Optionally sort relocs.
4418
4419         * configure.ac: If targ_extra_obj is set, link it in.
4420         * configure.tgt: Initialize all variables.
4421         (x86_64*): Set targ_extra_obj and targ_extra_size.
4422         * configure: Rebuild.
4423
4424         * object.cc (Sized_relobj::include_section_group): Adjust section
4425         indexes read from group data.  Build vector to pass to
4426         layout_group.
4427         * layout.cc (Layout::layout_group): Add flags and shndxes
4428         parameters.  Remove contents parameter.  Change caller.  Update
4429         explicit instantiations.
4430         * layout.h (class Layout): Update layout_group declaration.
4431         * output.cc (Output_data_group::Output_data_group): Add flags and
4432         input_shndxes parameters.  Remove contents parameter.  Change
4433         caller.
4434         (Output_data_group::do_write): Change input_sections_ to
4435         input_shndxes_.
4436         * output.h (class Output_data_group): Update constructor
4437         declaration.  Rename input_sections_ to input_shndxes_.
4438         * testsuite/many_sections_test.cc: Add template.
4439
4440 2008-04-30  Cary Coutant  <ccoutant@google.com>
4441
4442         * target-reloc.h (relocate_section): Fix dead-pointer bug.
4443
4444         * layout.cc (Layout::include_section): Refactored check for debug
4445         info section.
4446         (Layout::add_comdat): Add new parameters.  Change type
4447         of signature parameter.  Add object and shndx to signatures table.
4448         (Layout::find_kept_object): New function.
4449         * layout.h: Include <cstring>.
4450         (Layout::is_debug_info_section): New function.
4451         (Layout::add_comdat): Add new parameters.
4452         (Layout::find_kept_object): New function.
4453         (Layout::Kept_section): New struct.
4454         (Layout::Signatures): Change type of map range.
4455         * object.cc (Relobj::output_section_address): New function.
4456         (Sized_relobj::include_section_group): Add new parameters.  Change
4457         calls to Layout::add_comdat.  Change to build table of kept comdat
4458         groups and table mapping discarded sections to kept sections.
4459         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
4460         (Sized_relobj::do_layout): Change calls to include_section_group and
4461         include_linkonce_section.
4462         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
4463         value to zero when section is discarded.
4464         (Sized_relobj::map_to_kept_section): New function.
4465         * object.h (Relobj::output_section_address): New function.
4466         (Relobj::Comdat_group): New type.
4467         (Relobj::find_comdat_group): New function.
4468         (Relobj::Comdat_group_table): New type.
4469         (Relobj::Kept_comdat_section): New type.
4470         (Relobj::Kept_comdat_section_table): New type.
4471         (Relobj::add_comdat_group): New function.
4472         (Relobj::set_kept_comdat_section): New function.
4473         (Relobj::get_kept_comdat_section): New function.
4474         (Relobj::comdat_groups_): New field.
4475         (Relobj::kept_comdat_sections_): New field.
4476         (Symbol_value::input_value): Update comment.
4477         (Sized_relobj::map_to_kept_section) New function.
4478         (Sized_relobj::include_linkonce_section): Add new parameter.
4479         * target-reloc.h (Comdat_behavior): New type.
4480         (get_comdat_behavior): New function.
4481         (relocate_section): Add code to map a discarded section to the
4482         corresponding kept section when applying a relocation.
4483
4484 2008-04-30  Craig Silverstein  <csilvers@google.com>
4485
4486         * dwarf_reader.cc (next_generation_count): New static var.
4487         (Addr2line_cache_entry): New struct.
4488         (addr2line_cache): New static var.
4489         (Dwarf_line_info::one_addr2line): Added caching.
4490         (Dwarf_line_info::clear_addr2line_cache): New function.
4491         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
4492         cache-size parameter.
4493         (Dwarf_line_info::one_addr2line_cache): New function.
4494         * symtab.cc (Symbol_table::detect_odr_violations): Pass
4495         new cache-size argument to one_addr2line(), and clear cache.
4496
4497 2008-04-28  Cary Coutant  <ccoutant@google.com>
4498
4499         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
4500         R_386_PC8 relocations.
4501
4502 2008-04-23  Ian Lance Taylor  <iant@google.com>
4503
4504         * object.cc (Sized_relobj::include_section_group): Check for
4505         invalid section group.
4506
4507         * object.cc (make_elf_object): Correct test for 64-bit ELF file
4508         header size.
4509
4510         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
4511         than read for file header.
4512         * archive.cc (Archive::include_member): Likewise.
4513
4514 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
4515
4516         * aclocal.m4: Regenerate.
4517         * configure: Regenerate.
4518
4519 2008-04-19  Ian Lance Taylor  <iant@google.com>
4520
4521         * version.cc (version_string): Bump to 1.6.
4522
4523         * testsuite/Makefile.am (many_sections_r_test): New target.
4524         (many_sections_r_test_SOURCES): Remove.
4525         (many_sections_r_test_DEPENDENCIES): Remove.
4526         (many_sections_r_test_LDFLAGS): Remove.
4527         (many_sections_r_test_LDADD): Remove.
4528
4529         * object.cc (Sized_relobj::do_add_symbols): Always pass
4530         local_symbol_count_ to add_from_relobj.
4531
4532         * testsuite/Makefile.am (many_sections_check.h): Only check one in
4533         every thousand variables.
4534         * testsuite/Makefile.in: Rebuild.
4535
4536         * object.cc (Xindex::initialize_symtab_xindex): New function.
4537         (Xindex::read_symtab_xindex): New function.
4538         (Xindex::sym_xindex_to_shndx): New function.
4539         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
4540         available.
4541         (Sized_relobj::do_initialize_xindex): New function.
4542         (Sized_relobj::do_read_symbols): Adjust section links.
4543         (Sized_relobj::symbol_section_and_value): Add is_ordinary
4544         parameter.  Change all callers.
4545         (Sized_relobj::include_section_group): Adjust section links and
4546         symbol section indexes.
4547         (Sized_relobj::do_layout): Adjust section links.
4548         (Sized_relobj::do_count_local_symbols): Adjust section links and
4549         symbol section indexes.
4550         (Sized_relobj::do_finalize_local_symbols): Distinguish between
4551         ordinary and special symbols.
4552         (Sized_relobj::write_local_symbols): Add symtab_xindex and
4553         dynsym_xindex parameters.  Change all callers.  Adjust section
4554         links.  Use SHN_XINDEX when needed.
4555         (Sized_relobj::get_symbol_location_info): Adjust section links.
4556         Don't get fooled by special symbols.
4557         * object.h (class Xindex): Define.
4558         (class Object): Add xindex_ parameter.  Declare virtual functoin
4559         do_initialize_xindex.
4560         (Object::adjust_sym_shndx): New function.
4561         (Object::set_xindex): New protected function.
4562         (class Symbol_value): Add is_ordinary_shndx_ field.
4563         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
4564         (Symbol_value::value): Assert ordinary section.
4565         (Symbol_value::initialize_input_to_output_map): Likewise.
4566         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
4567         Change all callers.
4568         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
4569         all callers.
4570         (class Sized_relobj): Update declarations.
4571         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
4572         parameter.  Change all callers.
4573         (Sized_relobj::adjust_shndx): New function.
4574         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
4575         field.
4576         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
4577         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
4578         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
4579         (Sized_dynobj::read_dynsym_section): Adjust section links.
4580         (Sized_dynobj::read_dynamic): Likewise.
4581         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
4582         section links.
4583         (Sized_dynobj::do_initialize_xindex): New function.
4584         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
4585         do_initialize_xindex.
4586         (Sized_dynobj::adjust_shndx): New function.
4587         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
4588         dynsym_xindex_ fields.
4589         (Layout::finalize): Add a call to set_section_indexes before
4590         creating the symtab sections.
4591         (Layout::set_section_indexes): Don't do anything if the section
4592         already has a section index.
4593         (Layout::create_symtab_sections): Add shnum parameter.  Change
4594         caller.  Create .symtab_shndx section if needed.
4595         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
4596         caller.
4597         (Layout::allocated_output_section_count): New function.
4598         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
4599         needed.
4600         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
4601         fields.  Update declarations.
4602         (Layout::symtab_xindex): New function.
4603         (Layout::dynsym_xindex): New function.
4604         (class Write_symbols_task): Add layout_ field.
4605         (Write_symbols_task::Write_symbols_task): Add layout parameter.
4606         Change caller.
4607         * output.cc (Output_section_headers::Output_section_headers): Add
4608         shstrtab_section parameter.  Change all callers.
4609         (Output_section_headers::do_sized_write): Store overflow values
4610         for section count and section string table section index in
4611         section header zero.
4612         (Output_file_header::do_sized_write): Check for overflow of
4613         section count and section string table section index.
4614         (Output_symtab_xindex::do_write): New function.
4615         (Output_symtab_xindex::endian_do_write): New function.
4616         * output.h (class Output_section_headers): Add shstrtab_section_.
4617         Update declarations.
4618         (class Output_symtab_xindex): Define.
4619         (Output_section::has_out_shndx): New function.
4620         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
4621         field.
4622         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
4623         Change all callers.
4624         (Sized_symbol::init): Likewise.
4625         (Symbol::output_section): Check for ordinary symbol.
4626         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
4627         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
4628         callers.
4629         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
4630         Change all callers.  Simplify handling of symbols from sections
4631         not included in the link.
4632         (Symbol_table::add_from_dynobj): Handle ordinary symbol
4633         distinction.
4634         (Weak_alias_sorter::operator()): Assert that symbols are
4635         ordinary.
4636         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
4637         distinction.
4638         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
4639         parameters.  Change all callers.
4640         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
4641         symbol distinction.  Use SHN_XINDEX when needed.
4642         (Symbol_table::write_section_symbol): Add symtab_xindex
4643         parameter.  Change all callers.
4644         (Symbol_table::sized_write_section_symbol): Likewise.  Use
4645         SHN_XINDEX when needed.
4646         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
4647         declarations.
4648         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
4649         (Symbol::is_defined): Check is_ordinary.
4650         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
4651         (Symbol::is_absolute, Symbol::is_common): Likewise.
4652         (class Sized_symbol): Update declarations.
4653         (class Symbol_table): Update declarations.
4654         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
4655         parameters.  Change all callers.
4656         (Sized_symbol::override): Likewise.
4657         (Symbol_table::override): Likewise.
4658         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
4659         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
4660         is_ordinary, and orig_st_shndx parameters.  Change all callers.
4661         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
4662         to be in an ordinary section.
4663         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
4664         object and is_ordinary parameters.  Change all callers.
4665         (Sized_dwarf_line_info::read_relocs): Add object parameter.
4666         Change all callers.  Don't add undefined or non-ordinary symbols
4667         to reloc_map_.
4668         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
4669         Change all callers.
4670         * dwarf_reader.h (class Sized_dwarf_line_info): Update
4671         declarations.
4672         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
4673         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
4674         (Sized_relobj::relocate_sections): Likewise.
4675         * target-reloc.h (scan_relocs): Adjust section symbol index.
4676         (scan_relocatable_relocs): Likewise.
4677         * i386.cc (Scan::local): Check for ordinary symbols.
4678         * sparc.cc (Scan::local): Likewise.
4679         * x86_64.cc (Scan::local): Likewise.
4680         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
4681         to symbol_section_and_value.
4682         * testsuite/many_sections_test.cc: New file.
4683         * testsuite/Makefile.am (BUILT_SOURCES): Define.
4684         (check_PROGRAMS): Add many_sections_test.
4685         (many_sections_test_SOURCES): Define.
4686         (many_sections_test_DEPENDENCIES): Define.
4687         (many_sections_test_LDFLAGS): Define.
4688         (BUILT_SOURCES): Add many_sections_define.h.
4689         (many_sections_define.h): New target.
4690         (BUILT_SOURCES): Add many_sections_check.h.
4691         (many_sections_check.h): New target.
4692         (check_PROGRAMS): Add many_sections_r_test.
4693         (many_sections_r_test_SOURCES): Define.
4694         (many_sections_r_test_DEPENDENCIES): Define.
4695         (many_sections_r_test_LDFLAGS): Define.
4696         (many_sections_r_test_LDADD): Define.
4697         (many_sections_r_test.o): New target.
4698         * testsuite/Makefile.in: Rebuild.
4699
4700 2008-04-17  Cary Coutant  <ccoutant@google.com>
4701
4702         * errors.cc (Errors::info): New function.
4703         (gold_info): New function.
4704         * errors.h (Errors::info): New function.
4705         * gold.h (gold_info): New function.
4706         * object.cc (Input_objects::add_object): Print trace output.
4707         * options.cc (options::parse_set): New function.
4708         (General_options::parse_wrap): Deleted.
4709         (General_options::General_options): Deleted initializer.
4710         * options.h (options::String_set): New typedef.
4711         (options::parse_set): New function.
4712         (DEFINE_set): New macro.
4713         (General_options::wrap): Changed to use DEFINE_set. Changed
4714         callers of any_wrap_symbols and is_wrap_symbol.
4715         (General_options::trace, General_options::trace_symbol):
4716         New options.
4717         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
4718         (General_options::wrap_symbols_): Deleted.
4719         * symtab.cc (Symbol_table::add_from_object): Print trace output.
4720
4721 2008-04-17  David S. Miller  <davem@davemloft.net>
4722
4723         * options.cc (General_options::parse_V): New function.
4724         * options.h: Add entries for -V and -Qy.
4725
4726 2008-04-17  Ian Lance Taylor  <iant@google.com>
4727
4728         * common.cc (Symbol_table::allocate_commons): Remove options
4729         parameter.  Change caller.
4730         (Symbol_table::do_allocate_commons): Remove options parameter.
4731         Change caller.  Just call do_allocate_commons_list twice.
4732         (Symbol_table::do_allocate_commons_list): New function, broken out
4733         of do_allocate_commons.
4734         * common.h (class Allocate_commons_task): Remove options_ field.
4735         Update constructor.
4736         * symtab.cc (Symbol_table::Symbol_table): Initialize
4737         tls_commons_.
4738         (Symbol_table::add_from_object): Put TLS common symbols on
4739         tls_commons_ list.
4740         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
4741         which are IN_OUTPUT_DATA.
4742         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
4743         allocate_commons and do_allocate_commons declarations.  Declare
4744         do_allocate_commons_list.
4745         * gold.cc (queue_middle_tasks): Update creation of
4746         Allocate_commons_task to not pass options.
4747         * testsuite/Makefile.am (INCLUDES): Add -I.. .
4748         (TLS_TEST_C_FLAGS): New variable.
4749         (tls_test_c_pic.o): New target.
4750         (tls_test_shared.so): Link in tls_test_c_pic.o.
4751         (tls_test_c_pic_ie.o): New target.
4752         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
4753         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
4754         (tls_test_c.o): New target.
4755         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
4756         (tls_pic_test_LDADD): Likewise.
4757         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
4758         (tls_shared_gd_to_ie_test_LDADD): Likewise.
4759         (tls_test_c_gnu2.o): New target.
4760         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
4761         tls_test_c_gnu2.o.
4762         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
4763         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
4764         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
4765         * testsuite/tls_test.cc: Include "config.h".
4766         (t_last): Call t11_last.
4767         * testsuite/tls_test.h (t11, t11_last): Declare.
4768         * testsuite/tls_test_c.c: New file.
4769         * testsuite/tls_test_main.cc (thread_routine): Call t11.
4770         * configure.ac: Check for OpenMP support.
4771         * configure, config.in, Makefile.in: Rebuild.
4772         * testsuite/Makefile.in: Rebuild.
4773
4774 2008-04-16  Cary Coutant  <ccoutant@google.com>
4775
4776         * i386.cc (Target_i386::define_tls_base_symbol): New function.
4777         (Target_i386::tls_base_symbol_defined_): New field.
4778         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
4779         (Target_i386::Scan::global): Likewise.
4780         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
4781         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
4782         (Target_x86_64::tls_base_symbol_defined_): New field.
4783         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
4784         (Target_x86_64::Scan::global): Likewise.
4785
4786 2008-04-16  Cary Coutant  <ccoutant@google.com>
4787
4788         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
4789         (Symbol::needs_plt_entry): Allow weak undefined symbols.
4790         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
4791         building shared libraries.
4792         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
4793         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
4794         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
4795         * testsuite/Makefile.in: Rebuild.
4796         * testsuite/weak_undef.h: New file.
4797         * testsuite/weak_undef_file1.cc: Add extra test cases.
4798         * testsuite/weak_undef_file2.cc: Likewise.
4799         * testsuite/weak_undef_test.cc: Likewise.
4800
4801 2008-04-16  David S. Miller  <davem@davemloft.net>
4802
4803         * sparc.cc (Target_sparc::Scan): Change from struct to class.
4804         Add issued_non_pic_error_ field.  Declare check_non_pic.
4805         (Target_sparc::Scan::check_non_pic): New function.
4806         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
4807         (Target_sparc::Scan::global): Likewise.
4808
4809         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
4810         * configure: Rebuild.
4811
4812         * options.h (DEFINE_enable): New macro.
4813         (new_dtags): New enable option.
4814         (initfirst, interpose, loadfltr, nodefaultlib,
4815         nodelete, nodlopen, nodump): New -z options.
4816         * layout.cc (Layout:finish_dynamic_section): If new
4817         dtags enabled, emit DT_RUNPATH.  Also, emit a
4818         DT_FLAGS_1 containing any specified -z flags.
4819
4820 2008-04-16  Ian Lance Taylor  <iant@google.com>
4821
4822         * copy-relocs.cc: New file.
4823         * copy-relocs.h: New file.
4824         * reloc.cc: Remove Copy_relocs code.
4825         * reloc.h: Likewise.
4826         * reloc-types.h (struct Reloc_types) [both versions]: Add
4827         get_reloc_addend_noerror.
4828         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
4829         variants of add_global which take an addend which must be zero.
4830         * i386.cc: Include "copy-relocs.h".
4831         (class Target_i386): Change type of copy_relocs_ to variable,
4832         update initializer.
4833         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
4834         Change all callers.
4835         (Target_i386::do_finalize_sections): Change handling of
4836         copy_relocs_.
4837         * sparc.cc: Include "copy-relocs.h".
4838         (class Target_sparc): Change type of copy_relocs_ to variable,
4839         update initializer.
4840         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
4841         Change all callers.
4842         (Target_sparc::do_finalize_sections): Change handling of
4843         copy_relocs_.
4844         * x86_64.cc: Include "copy-relocs.h".
4845         (class Target_x86_64): Change type of copy_relocs_ to variable,
4846         update initializer.
4847         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
4848         class.  Change all callers.
4849         (Target_x86_64::do_finalize_sections): Change handling of
4850         copy_relocs_.
4851         * Makefile.am (CCFILES): Add copy-relocs.cc.
4852         (HFILES): Add copy-relocs.h.
4853
4854         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
4855
4856         * testsuite/script_test_4.sh: Permit leading zeroes.
4857
4858 2008-04-15  Ian Lance Taylor  <iant@google.com>
4859
4860         * script-sections.cc (Script_sections::create_segments): Use
4861         header_size_adjustment even when there is enough room for the
4862         headers.
4863         * testsuite/script_test_4.sh: New file.
4864         * testsuite/script_test_4.t: New file.
4865         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
4866         (check_DATA): Add script_test_4.stdout.
4867         (MOSTLYCLEANFILES): Likewise.
4868         (script_test_4): New target.
4869         (script_test_4.stdout): New target.
4870         * testsuite/Makefile.in: Rebuild.
4871
4872         * sparc.cc: Add definitions for Output_data_plt_sparc class
4873         constants.
4874
4875 2008-04-14  David S. Miller  <davem@davemloft.net>
4876
4877         * sparc.cc: New file.
4878         * Makefile.am (TARGETSOURCES): Add sparc.cc
4879         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
4880         * configure.tgt: Document targ_extra_size and
4881         targ_extra_big_endian.  Add entries for sparc-* and
4882         sparc64-*.
4883         * configure.ac: Handle targ_extra_size and
4884         targ_extra_big_endian.
4885         * Makefile.in: Rebuild.
4886         * configure: Likewise.
4887         * po/POTFILES.in: Likewise.
4888         * po/gold.pot: Likewise.
4889
4890 2008-04-14  Ian Lance Taylor  <iant@google.com>
4891
4892         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
4893         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
4894         in the name/type/flags to section mapping.  Don't call
4895         allocate_output_section.
4896         (Layout::choose_output_section): Change parameter from adjust_name
4897         to is_input_section.  Don't permit input sections after sections
4898         are attached to segments.  Don't call allocate_output_section.
4899         (Layout::layout_eh_frame): Call update_flags_for_input_section,
4900         not write_enable_output_section.
4901         (Layout::make_output_section): Don't push to
4902         unattached_section_list_ nor call attach_to_segment.  Call
4903         attach_section_to_segment if sections are attached.
4904         (Layout::attach_sections_to_segments): New function.
4905         (Layout::attach_section_to_segment): New function.
4906         (Layout::attach_allocated_section_to_segment): Rename from
4907         attach_to_segment.  Remove flags parameter.
4908         (Layout::allocate_output_section): Remove function.
4909         (Layout::write_enable_output_section): Remove function.
4910         * layout.h (class Layout): Update for above changes.  Add new
4911         field sections_are_attached_.
4912         * output.h (Output_section::update_flags_for_input_section): New
4913         function.
4914         * output.cc (Output_section::add_input_section): Call
4915         update_flags_for_input_section.
4916         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
4917
4918 2008-04-11  Cary Coutant  <ccoutant@google.com>
4919
4920         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
4921         thought unnecessary.
4922         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
4923
4924 2008-04-11  Ian Lance Taylor  <iant@google.com>
4925
4926         * output.h (class Output_section_data): Remove inline definition
4927         of set_addralign.
4928         * output.cc (Output_section_data::set_addralign): New function.
4929
4930 2008-04-11  Cary Coutant  <ccoutant@google.com>
4931
4932         Add support for TLS descriptors for i386 and x86_64.
4933         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
4934         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
4935         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
4936         GOT_TYPE_TLS_DESC.
4937         (Target_i386::got_mod_index_entry): Remove unnecessary code.
4938         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
4939         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
4940         relocations.
4941         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
4942         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
4943         Fix problem with initial-exec relocations.
4944         (Target_i386::Relocate::relocate_tls): Likewise.
4945         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
4946         relaxation.
4947         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
4948         support for section-plus-offset dynamic table entries.
4949         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
4950         (Output_data_dynamic::Dynamic_entry): Add support for
4951         section-plus-offset dynamic table entries.
4952         (Output_data_dynamic::Classification): Likewise.
4953         (Output_data_dynamic::classification_): Renamed offset_.
4954         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
4955         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
4956         (Target_x86_64::make_plt_section): New function.
4957         (Target_x86_64::reserve_tlsdesc_entries): New function.
4958         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
4959         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
4960         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
4961         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
4962         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
4963         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
4964         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
4965         add extra PLT entry for TLS descriptors.
4966         (Output_data_plt_x86_64::got_): New field.
4967         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
4968         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
4969         fields.
4970         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
4971         descriptors.
4972         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
4973         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
4974         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
4975         R_386_TLS_DESC_CALL relocations.
4976         (Target_x86_64::Scan::global): Likewise.
4977         (Target_x86_64::do_finalize_sections): Add dynamic table entries
4978         for TLS descriptors.
4979         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
4980         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
4981         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
4982         GD-to-IE relaxation.
4983         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
4984         and TLS_DESCRIPTORS.
4985         * Makefile.in: Rebuild.
4986         * configure: Rebuild.
4987         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
4988         (tls_test_shared2.so): New target.
4989         (tls_shared_gd_to_ie_test_SOURCES): New variable.
4990         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
4991         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
4992         (tls_shared_gd_to_ie_test_LDADD): New variable.
4993         (tls_shared_gnu2_gd_to_ie_test): New target.
4994         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
4995         New targets.
4996         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
4997         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
4998         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
4999         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
5000         (tls_shared_gnu2_test): New target.
5001         (tls_test_gnu2_shared.so): New target.
5002         (tls_shared_gnu2_test_SOURCES): New variable.
5003         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
5004         (tls_shared_gnu2_test_LDFLAGS): New variable.
5005         (tls_shared_gnu2_test_LDADD): New variable.
5006         * testsuite/Makefile.in: Rebuild.
5007         * testsuite/Makefile.
5008
5009 2008-04-11  Ian Lance Taylor  <iant@google.com>
5010
5011         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
5012         justsyms.t.
5013         * testsuite/Makefile.in: Rebuild.
5014
5015         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
5016         long.
5017         * testsuite/script_test_2.cc (main): Adjust test.
5018
5019 2008-04-11  David S. Miller  <davem@davemloft.net>
5020             Ian Lance Taylor  <iant@google.com>
5021
5022         * options.h (General_options): Add entries for '-Y' and
5023         '-relax'.
5024         * options.cc (General_options:finalize): If -Y was used, add those
5025         entries to the library path instead of the default "/lib" and
5026         "/usr/lib".
5027
5028 2008-04-11  David S. Miller  <davem@davemloft.net>
5029
5030         * testsuite/justsyms.t: Start at 0x100.
5031         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
5032         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
5033         long.
5034         * testsuite/script_test_2.cc: Adjust string and section length
5035         checks.
5036
5037 2008-04-09  Ian Lance Taylor  <iant@google.com>
5038
5039         PR gold/5996
5040         * script-sections.cc (Sections_element::allocate_to_segment): Add
5041         orphan parameter.
5042         (Output_section_definition::allocate_to_segment): Likewise.
5043         (Orphan_output_section::allocate_to_segment): Likewise.
5044         (Script_sections::attach_sections_using_phdrs_clause): Don't
5045         propagate non-PT_LOAD segments to orphan sections.
5046         * testsuite/Makefile.am (script_test_3.stdout): Generate using
5047         readelf rather than objdump.
5048         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
5049         .interp section and PT_INTERP segment are the same size.
5050         * testsuite/Makefile.in: Rebuild.
5051
5052         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
5053         aliases for symbols defined in the same object.
5054         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
5055         (weak_alias_test_SOURCES): New variable.
5056         (weak_alias_test_DEPENDENCIES): New variable.
5057         (weak_alias_test_LDFLAGS): New variable.
5058         (weak_alias_test_LDADD): New variable.
5059         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
5060         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
5061         (weak_alias_test_3.o): New target.
5062         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
5063         * testsuite/weak_alias_test_main.cc: New file.
5064         * testsuite/weak_alias_test_1.cc: New file.
5065         * testsuite/weak_alias_test_2.cc: New file.
5066         * testsuite/weak_alias_test_3.cc: New file.
5067
5068 2008-04-08  Ian Lance Taylor  <iant@google.com>
5069
5070         * options.h (class General_options): Add --noinhibit-exec option.
5071         * main.cc (main): Check --noinhibit-exec.
5072
5073         * options.h (class General_options): Define --wrap as a special
5074         option.  Add wrap_symbols_ field.
5075         (General_options::any_wrap_symbols): New function.
5076         (General_options::is_wrap_symbol): New function.
5077         * options.cc (General_options::parse_wrap): New function.
5078         (General_options::General_options): Initialize wrap_symbols_.
5079         * symtab.cc (Symbol_table::wrap_symbol): New function.
5080         (Symbol_table::add_from_object): Handle --wrap.
5081         * symtab.h (class Symbol_table): Declare wrap_symbol.
5082         * target.h (Target::wrap_char): New function.
5083         (Target::Target_info): Add wrap_char field.
5084         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
5085         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
5086         * testsuite/testfile.cc (Target_test::test_target_info):
5087         Likewise.
5088
5089         * errors.cc (Errors::undefined_symbol): Mention symbol version if
5090         there is one.
5091
5092         * layout.h (class Layout): Add added_eh_frame_data_ field.
5093         * layout.cc (Layout::Layout): Initialize new field.
5094         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
5095         output section until we find a section we merged successfully.
5096         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
5097         that the size be non-zero.
5098
5099         * merge.cc (Object_merge_map::get_output_offset): Remove inline
5100         qualifier.
5101
5102 2008-04-08  Craig Silverstein  <csilvers@google.com>
5103
5104         * configure.ac: Export new conditional variable HAVE_ZLIB.
5105         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
5106         on HAVE_ZLIB.
5107         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
5108         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
5109
5110 2008-04-07  Ian Lance Taylor  <iant@google.com>
5111
5112         * version.cc (version_string): Set to "1.5".
5113
5114         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
5115         Add issued_non_pic_error_ field.  Declare check_non_pic.
5116         (Target_x86_64::Scan::check_non_pic): New function.
5117         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
5118         (Target_x86_64::Scan::global): Likewise.
5119
5120         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
5121         addend parameter.  Change caller.  Handle merge sections.
5122         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
5123         Address to Addend.  Don't add in the result of
5124         local_section_offset, pass down the addend and use the returned
5125         value.
5126         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
5127         Update declarations of local_section_offset and symbol_value.
5128         * testsuite/two_file_test_1.cc (t18): New function.
5129         * testsuite/two_file_test_2.cc (f18): New function.
5130         * testsuite/two_file_test_main.cc (main): Call t18.
5131         * testsuite/two_file_test.h (t18, f18): Declare.
5132
5133         * configure.ac: Don't test for objdump, c++filt, or readelf.
5134         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
5135         conditionals.
5136         (TEST_READELF): New variable.
5137         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
5138         (check_PROGRAMS): Add two_file_strip_test.
5139         (two_file_strip_test): New target.
5140         (check_PROGRAMS): Add two_file_same_shared_strip_test.
5141         (two_file_same_shared_strip_test_SOURCES): New variable.
5142         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
5143         (two_file_same_shared_strip_test_LDFLAGS): New variable.
5144         (two_file_same_shared_strip_test_LDADD): New variable.
5145         (two_file_shared_strip.so): New target.
5146         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
5147         (ver_test_5.syms, ver_test_7.syms): Likewise.
5148         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
5149         (strip_test_3.stdout): Use TEST_OBJDUMP.
5150         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
5151
5152 2008-04-04  Cary Coutant  <ccoutant@google.com>
5153
5154         * symtab.h (Symbol::is_weak_undefined): New function.
5155         (Symbol::is_strong_undefined): New function.
5156         (Symbol::is_absolute): New function.
5157         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
5158         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
5159         absolute symbols.
5160         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
5161         (weak_undef_test): New target.
5162         * testsuite/Makefile.in: Rebuild.
5163         * testsuite/weak_undef_file1.cc: New file.
5164         * testsuite/weak_undef_file2.cc: New file.
5165         * testsuite/weak_undef_test.cc: New file.
5166
5167 2008-04-03  Craig Silverstein  <csilvers@google.com>
5168
5169         * compressed_output.h (class Output_compressed_section): Use
5170         unsigned buffer.
5171         * compressed_output.cc (zlib_compress): Use unsigned buffers,
5172         add zlib header.
5173         (zlib_compressed_suffix): Removed.
5174         (Output_compressed_section::set_final_data_size): Use unsigned
5175         buffers.
5176         * testsuite/Makefile.am (flagstest_compress_debug_sections):
5177         Fix linker invocation.
5178         (flagstest_o_specialfile_and_compress_debug_sections):
5179         Likewise.
5180         * testsuite/Makefile.in: Regenerated.
5181
5182 2008-04-02  David S. Miller  <davem@davemloft.net>
5183
5184         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
5185         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
5186
5187 2008-04-02  Craig Silverstein  <csilvers@google.com>
5188
5189         * TODO: New file.
5190
5191 2008-04-02  Ian Lance Taylor  <iant@google.com>
5192
5193         * fileread.cc (File_read::find_view): Add byteshift and vshifted
5194         parameters.  Update for new key type to views_.  Change all
5195         callers.
5196         (File_read::read): Adjust for byteshift in returned view.
5197         (File_read::add_view): New function, broken out of
5198         find_and_make_view.
5199         (File_read::make_view): New function, broken out of
5200         find_and_make_view.
5201         (File_read::find_or_make_view): Add offset and aligned
5202         parameters.  Rewrite accordingly.  Change all callers.
5203         (File_read::get_view): Add offset and aligned parameters.  Adjust
5204         for byteshift in return value.
5205         (File_read::get_lasting_view): Likewise.
5206         * fileread.h (class File_read): Update declarations.
5207         (class File_read::View): Add byteshift_ field.  Add byteshift to
5208         constructor.  Add byteshift method.
5209         * archive.h (Archive::clear_uncached_views): New function.
5210         (Archive::get_view): Add aligned parameter.  Change all callers.
5211         * object.h (Object::get_view): Add aligned parameter.  Change all
5212         callers.
5213         (Object::get_lasting_view): Likewise.
5214
5215         * fileread.cc (File_read::release): Don't call clear_views if
5216         there are multiple objects.
5217         * fileread.h (File_read::clear_uncached_views): New function.
5218         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
5219         on the archive.
5220
5221 2008-03-31  Cary Coutant  <ccoutant@google.com>
5222
5223         Add thin archive support.
5224         * archive.cc (Archive::armagt): New const.
5225         (Archive::setup): Remove task parameter and calls to unlock.
5226         (Archive::unlock_nested_archives): New function.
5227         (Archive::read_header): Add nested_off parameter. Change
5228         all callers.
5229         (Archive::interpret_header): Likewise.
5230         (Archive::include_all_members): Change to handle thin
5231         archives.
5232         (Archive::include_member): Likewise.
5233         * archive.h (Archive::Archive): Add new parameters and
5234         initializers.
5235         (Archive::armagt): New const.
5236         (Archive::setup): Remove task parameter.
5237         (Archive::unlock_nested_archives): New function.
5238         (Archive::read_header): Add nested_off parameter.
5239         (Archive::interpret_header): Likewise.
5240         (Archive::Nested_archive_table): New typedef.
5241         (Archive::is_thin_archive_): New field.
5242         (Archive::nested_archives_): New field.
5243         (Archive::options_): New field.
5244         (Archive::dirpath_): New field.
5245         (Archive::task_): New field.
5246         * readsyms.cc (Read_symbols::do_read_symbols): Add check
5247         for thin archives.  Pass additional parameters to
5248         Archive::Archive.  Unlock the archive file after calling
5249         Archive::setup.
5250
5251 2008-03-29  Ian Lance Taylor  <iant@google.com>
5252
5253         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
5254         version symbol to be local.
5255         * testsuite/ver_test_4.sh: New file.
5256         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
5257         (check_DATA): Add ver_test_4.syms.
5258         (ver_test_4.syms): New target.
5259         * testsuite/Makefile.in: Rebuild.
5260
5261         * output.cc
5262         (Output_section::Input_section_sort_entry::has_priority): New
5263         function.
5264         (Output_section::Input_section_sort_entry::match_file_name): New
5265         function.
5266         (Output_section::Input_section_sort_entry::match_section_name):
5267         Remove.
5268         (Output_section::Input_section_sort_entry::match_section_name_prefix):
5269         Remove.
5270         (Output_section::Input_section_sort_entry::match_section_file):
5271         Remove.
5272         (Output_section::Input_section_sort_compare::operator()): Rewrite
5273         using new Input_section_sort_entry functions.  Sort crtbegin and
5274         crtend first.  Sort sections with no priority before sections with
5275         a priority.
5276         * testsuite/initpri1.c (d3): Check j != 4.
5277         (cd5): New constructor/destructor function.
5278         (main): Check j != 2.
5279
5280         * symtab.cc (Symbol_table::add_from_object): If we don't use the
5281         new symbol when resolving, don't call set_is_default.
5282         * testsuite/ver_test_7.cc: New file.
5283         * testsuite/ver_test_7.sh: New file.
5284         * testsuite/Makefile.am (ver_test_7.so): New target.
5285         (ver_test_7.o): New target.
5286         (check_SCRIPTS): Add ver_test_7.sh.
5287         (check_DATA): Add ver_test_7.syms.
5288         (ver_test_7.syms): New target.
5289
5290 2008-03-28  Ian Lance Taylor  <iant@google.com>
5291
5292         * layout.cc (Layout::layout): If we see an input section with a
5293         name that needs sorting, set the must_sort flag for the output
5294         section.
5295         (Layout::make_output_section): If the name of the output section
5296         indicates that it might require sorting, set the may_sort flag.
5297         * output.h (Output_section::may_sort_attached_input_sections): New
5298         function.
5299         (Output_section::set_may_sort_attached_input_sections): New
5300         function.
5301         (Output_section::must_sort_attached_input_sections): New
5302         function.
5303         (Output_section::set_must_sort_attached_input_sections): New
5304         function.
5305         (class Output_section): Declare Input_section_sort_entry.  Define
5306         Input_section_sort_compare.  Declare
5307         sort_attached_input_sections.  Add new fields:
5308         may_sort_attached_input_sections_,
5309         must_sort_attached_input_sections_,
5310         attached_input_sections_are_sorted_.
5311         * output.cc (Output_section::Output_section): Initialize new
5312         fields.
5313         (Output_section::add_input_section): Add an entry to
5314         input_sections_ if may_sort or must_sort are true.
5315         (Output_section::set_final_data_size): Call
5316         sort_attached_input_sections if necessary.
5317         (Output_section::Input_section_sort_entry): Define new class.
5318         (Output_section::Input_section_sort_compare::operator()): New
5319         function.
5320         (Output_section::sort_attached_input_sections): New function.
5321         * configure.ac: Check whether the compiler supports constructor
5322         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
5323         * testsuite/initpri1.c: New file.
5324         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
5325         CONSTRUCTOR_PRIORITY.
5326         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
5327         (initpri1_LDFLAGS): New variable.
5328         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
5329
5330 2008-03-27  Ian Lance Taylor  <iant@google.com>
5331
5332         * common.cc (Sort_commons::operator): Correct sorting algorithm.
5333         * testsuite/common_test_1.c: New file.
5334         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
5335         (common_test_1_SOURCES): New variable.
5336         (common_test_1_DEPENDENCIES): New variable.
5337         (common_test_1_LDFLAGS): New variable.
5338
5339         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
5340         and commons_ correctly when NAME/VERSION does not override
5341         NAME/NULL.
5342         * testsuite/ver_test_6.c: New file.
5343         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
5344         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
5345         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
5346
5347 2008-03-26  Ian Lance Taylor  <iant@google.com>
5348
5349         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
5350         of an undefined symbol from a version script.
5351         * testsuite/Makefile.am (ver_test_5.so): New target.
5352         (ver_test_5.o): New target.
5353         (check_SCRIPTS): Add ver_test_5.sh.
5354         (check_DATA): Add ver_test_5.syms.
5355         (ver_test_5.syms): New target.
5356         * testsuite/ver_test_5.cc: New file.
5357         * testsuite/ver_test_5.script: New file.
5358         * testsuite/ver_test_5.sh: New file.
5359         * Makefile.in, testsuite/Makefile.in: Rebuild.
5360
5361         PR gold/5986
5362         Fix problems building gold with gcc 4.3.0.
5363         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
5364         (gold_error_at_location, gold_warning_at_location): Use it.
5365         * configure.ac: Check whether we can compile and use a template
5366         function with a printf attribute.
5367         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
5368         when jumping over bytes.
5369         * object.cc: Instantiate Object::read_section_data.
5370         * debug.h: Include <cstring>
5371         * dwarf_reader.cc: Include <algorithm>
5372         * main.cc: Include <cstring>.
5373         * options.cc: Include <cstring>.
5374         * output.cc: Include <cstring>.
5375         * script.cc: Include <cstring>.
5376         * script.h: Include <string>.
5377         * symtab.cc: Include <cstring> and <algorithm>.
5378         * target-select.cc: Include <cstring>.
5379         * version.cc: Include <string>.
5380         * testsuite/testmain.cc: Include <cstdlib>.
5381         * configure, config.in: Rebuild.
5382
5383 2008-03-25  Ian Lance Taylor  <iant@google.com>
5384
5385         * options.cc: Include "../bfd/bfdver.h".
5386         (options::help): Print bug reporting address.
5387
5388         * version.cc (print_version): Adjust output for current value of
5389         BFD_VERSION_STRING.
5390
5391         * NEWS: New file.
5392
5393         * options.cc (options::help): Print list of supported targets.
5394         * target-select.h: Include <vector>.
5395         (class Target_selector): Make machine_, size_, and is_big_endian_
5396         fields const.  Add bfd_name_ and instantiated_target_ fields.
5397         (Target_selector::Target_selector): Add bfd_name parameter.
5398         (Target_selector::recognize): Make non-virtual, call
5399         do_recognize.
5400         (Target_selector::recognize_by_name): Make non-virtual, call
5401         do_recognize_by_name.
5402         (Target_selector::supported_names): New function.
5403         (Target_selector::bfd_name): New function.
5404         (Target_selector::do_instantiate_target): New pure virtual
5405         function.
5406         (Target_selector::do_recognize): New virtual function.
5407         (Target_selector::do_recognize_by_name): New virtual function.
5408         (Target_selector::instantiate_target): New private function.
5409         (supported_target_names): Declare.
5410         * target-select.cc (Target_selector::Target_selector): Update for
5411         new parameter and fields.
5412         (select_target_by_name): Check that the name matches before
5413         calling recognize_by_name.
5414         (supported_target_names): New function.
5415         * i386.cc (class Target_selector_i386): Update Target_selector
5416         constructor call.  Remove recognize and recognize_by_name.  Add
5417         do_instantiate_target.
5418         * x86_64.cc (class Target_selector_x86_64): Likewise.
5419         * testsuite/testfile.cc (class Target_selector_test): Update for
5420         changes to Target_selector.
5421
5422         * README: Rewrite, with some notes on unsupported features.
5423
5424 2008-03-24  Cary Coutant  <ccoutant@google.com>
5425
5426         * i386.cc (Target_i386::Got_type): New enum declaration.
5427         (Target_i386::Scan::local): Updated callers of Output_data_got
5428         member functions.
5429         (Target_i386::Scan::global): Likewise.
5430         (Target_i386::Relocate::relocate): Likewise.
5431         (Target_i386::Relocate::relocate_tls): Likewise.
5432         * object.h (Got_offset_list): New class.
5433         (Sized_relobj::local_has_got_offset): Added got_type parameter.
5434         (Sized_relobj::local_got_offset): Likewise.
5435         (Sized_relobj::set_local_got_offset): Likewise.
5436         (Sized_relobj::local_has_tls_got_offset): Removed.
5437         (Sized_relobj::local_tls_got_offset): Removed.
5438         (Sized_relobj::set_local_tls_got_offset): Removed.
5439         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
5440         * output.cc (Output_data_got::add_global): Added got_type parameter.
5441         (Output_data_got::add_global_with_rel): Likewise.
5442         (Output_data_got::add_global_with_rela): Likewise.
5443         (Output_data_got::add_global_pair_with_rel): New function.
5444         (Output_data_got::add_global_pair_with_rela): New function.
5445         (Output_data_got::add_local): Added got_type parameter.
5446         (Output_data_got::add_local_with_rel): Likewise.
5447         (Output_data_got::add_local_with_rela): Likewise.
5448         (Output_data_got::add_local_pair_with_rel): New function.
5449         (Output_data_got::add_local_pair_with_rela): New function.
5450         (Output_data_got::add_global_tls): Removed.
5451         (Output_data_got::add_global_tls_with_rel): Removed.
5452         (Output_data_got::add_global_tls_with_rela): Removed.
5453         (Output_data_got::add_local_tls): Removed.
5454         (Output_data_got::add_local_tls_with_rel): Removed.
5455         (Output_data_got::add_local_tls_with_rela): Removed.
5456         * output.h (Output_data_got::add_global): Added got_type parameter.
5457         (Output_data_got::add_global_with_rel): Likewise.
5458         (Output_data_got::add_global_with_rela): Likewise.
5459         (Output_data_got::add_global_pair_with_rel): New function.
5460         (Output_data_got::add_global_pair_with_rela): New function.
5461         (Output_data_got::add_local): Added got_type parameter.
5462         (Output_data_got::add_local_with_rel): Likewise.
5463         (Output_data_got::add_local_with_rela): Likewise.
5464         (Output_data_got::add_local_pair_with_rel): New function.
5465         (Output_data_got::add_local_pair_with_rela): New function.
5466         (Output_data_got::add_global_tls): Removed.
5467         (Output_data_got::add_global_tls_with_rel): Removed.
5468         (Output_data_got::add_global_tls_with_rela): Removed.
5469         (Output_data_got::add_local_tls): Removed.
5470         (Output_data_got::add_local_tls_with_rel): Removed.
5471         (Output_data_got::add_local_tls_with_rela): Removed.
5472         * resolve.cc (Symbol::override_base_with_special): Removed
5473         reference to has_got_offset_ field.
5474         * symtab.cc (Symbol::init_fields): Replaced initialization
5475         of got_offset_ with got_offsets_.  Removed initialization
5476         of has_got_offset_
5477         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
5478         (Symbol::got_offset): Likewise.
5479         (Symbol::set_got_offset): Likewise.
5480         (Symbol::has_tls_got_offset): Removed.
5481         (Symbol::tls_got_offset): Removed.
5482         (Symbol::set_tls_got_offset): Removed.
5483         (Symbol::got_offset_): Removed.
5484         (Symbol::tls_mod_got_offset_): Removed.
5485         (Symbol::tls_pair_got_offset_): Removed.
5486         (Symbol::got_offsets_): New field.
5487         (Symbol::has_got_offset): Removed.
5488         (Symbol::has_tls_mod_got_offset): Removed.
5489         (Symbol::has_tls_pair_got_offset): Removed.
5490         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
5491         (Target_x86_64::Scan::local): Updated callers of Output_data_got
5492         member functions.
5493         (Target_x86_64::Scan::global): Likewise.
5494         (Target_x86_64::Relocate::relocate): Likewise.
5495         (Target_x86_64::Relocate::relocate_tls): Likewise.
5496
5497 2008-03-25  Ben Elliston  <bje@au.ibm.com>
5498
5499         * yyscript.y: Fix spelling error in comment.
5500
5501 2008-03-24  Ian Lance Taylor  <iant@google.com>
5502
5503         * options.h (class General_options): Define build_id option.
5504         * layout.h (class Layout): Declare write_build_id, create_note,
5505         create_build_id.  Add build_id_note_ member.
5506         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
5507         "libiberty.h", "md5.h", "sha1.h".
5508         (Layout::Layout): Initialize eh_frame_data_,
5509         eh_frame_hdr_section_, and build_id_note_.
5510         (Layout::finalize): Call create_build_id.
5511         (Layout::create_note): New function, broken out of
5512         Layout::create_gold_note.
5513         (Layout::create_gold_note): Call create_note.
5514         (Layout::create_build_id): New function.
5515         (Layout::write_build_id): New function.
5516         (Close_task_runner::run): Call write_build_id.
5517
5518         * x86_64.cc: Correct license to GPLv3.
5519
5520 2008-03-23  Ian Lance Taylor  <iant@google.com>
5521
5522         * options.cc: Include "demangle.h".
5523         (parse_optional_string): New function.
5524         (parse_long_option): Handle takes_optional_argument.
5525         (parse_short_option): Update dash_z initializer.  Handle
5526         takes_optional_argument.
5527         (General_options::General_options): Initialize do_demangle_.
5528         (General_options::finalize): Set do_demangle_.  Handle demangling
5529         style.
5530         * options.h (parse_optional_string): Declare.
5531         (struct One_option): Add optional_arg field.  Update constructor.
5532         Update call constructor calls.  Add takes_optional_argument
5533         function.
5534         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
5535         (DEFINE_optional_string): Define.
5536         (General_options::demangle): Change from DEFINE_bool to
5537         DEFINE_optional_string.
5538         (General_options::no_demangle): New function.
5539         (General_options::do_demangle): New function.
5540         (General_options::set_do_demangle): New function.
5541         (General_options::execstack_status_): Move definition to end of
5542         class definition.
5543         (General_options::static_): Likewise.
5544         (General_options::do_demangle_): New field.
5545         * object.cc (big_endian>::get_symbol_location_info): Call
5546         Options::do_demangle, not Options::demangle.
5547         * symtab.cc (demangle): Likewise.
5548
5549 2008-03-22  Ian Lance Taylor  <iant@google.com>
5550
5551         * gold.h: Include <cstddef> and <sys/types.h>
5552         * options.h: Include <cstring>.
5553
5554 2008-03-21  Ian Lance Taylor  <iant@google.com>
5555
5556         * Added source code to GNU binutils.