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