* sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
[external/binutils.git] / gold / ChangeLog
1 2010-03-10  David S. Miller  <davem@davemloft.net>
2
3         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
4
5 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
6
7         * icf.cc (get_section_contents): Add '@' marker after processing the
8         merge reloc.
9
10 2010-03-08  Doug Kwan  <dougkwan@google.com>
11
12         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
13         due to a conversion warning.
14         (Arm_relobj::update_output_local_symbol_count): Check for local
15         symbol with unset output index.
16
17 2010-03-05  Ian Lance Taylor  <iant@google.com>
18
19         * options.h (class General_options): Add --spare-dynamic-tags.
20         * output.cc (Output_data_dynamic::set_final_data_size): Implement
21         --spare-dynamic-tags.
22
23 2010-03-05  Ian Lance Taylor  <iant@google.com>
24
25         * incremental.cc: Include "libiberty.h".
26
27 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
28
29         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
30         function, is_info_ member.
31         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
32         (Versions::Versions): Update caller.
33         (Versions::define_base_version): Likewise.
34         (Versions::add_def): Likewise.
35
36 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
37
38         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
39         (Scan::possible_function_pointer_reloc): New function.
40         (Scan::local_reloc_may_be_function_pointer): Change to call
41         possible_function_pointer_reloc.
42         (Scan::global_reloc_may_be_function_pointer): Ditto.
43         * icf.h (Icf::check_section_for_function_pointers): Change to reject
44         relocations in ".data.rel.ro._ZTV" section.
45         * testsuite/icf_safe_so_test.sh: Change to pass i386.
46         * testsuite/icf_safe_so_test.cc: Ditto.
47         * testsuite/icf_safe_test.cc: Ditto.
48         * testsuite/icf_safe_test.sh: Ditto.
49
50 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
51             Ian Lance Taylor  <iant@google.com>
52
53         * target-reloc.h (relocate_section): Check the symbol table index
54         for -1U before setting the local symbol index.
55         (scan_relocatable_relocs): If copying the relocation, record that
56         the local symbol is required.
57         * object.h (Symbol_value::is_output_symtab_index_set): New
58         function.
59         (Symbol_value::may_be_discarded_from_output_symtab): New
60         function.
61         (Symbol_value::has_output_symtab_entry): New function.
62         (Symbol_value::needs_output_symtab_entry): Remove.
63         (Symbol_value::output_symtab_index): Make sure the symbol index is
64         set.
65         (Symbol_value::set_output_symtab_index): Make sure the symbol
66         index is not set.  Make sure the new index is valid.
67         (Symbol_value::set_must_have_output_symtab_entry): New function.
68         (Symbol_value::has_output_dynsym_entry): New function.
69         (Symbol_value::set_output_dynsym_index): Make sure the new index
70         is valid.
71         (Sized_relobj::set_must_have_output_symtab_entry): New function.
72         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
73         local symbol if permitted.
74         (Sized_relobj::do_finalize_local_symbols): Call
75         is_output_symtab_index_set rather than needs_output_symtab_entry.
76         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
77         rather than needs_output_symtab_entry.  Call
78         has_output_dynsym_entry rather than needs_output_dynsym_entry.
79         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
80         is_output_symtab_index_set rather than needs_output_symtab_entry.
81         * testsuite/discard_locals_relocatable_test.c: New file.
82         * testsuite/discard_locals_test.sh: Test -r.
83         * testsuite/Makefile.am (check_DATA): Add
84         discard_locals_relocatable_test1.syms,
85         discard_local_relocatable_test2.syms.
86         (MOSTLYCLEANFILES): Likewise.  Also add
87         discard_locals_relocatable_test1.lout and
88         discard_locals_relocatable_test2.out.
89         (discard_locals_relocatable_test1.syms): New target.
90         (discard_locals_relocatable_test.o): New target.
91         (discard_locals_relocatable_test1.out): New target.
92         (discard_locals_relocatable_test2.syms): New target.
93         (discard_locals_relocatable_test2.out): New target.
94         (various): Add missing ../ld-new dependencies.
95         * testsuite/Makefile.in: Rebuild.
96
97 2010-03-03  Nick Clifton  <nickc@redhat.com>
98
99         * po/fi.po: New Finnish translation.
100
101 2010-03-01  Doug Kwan  <dougkwan@google.com>
102
103         * layout.cc (Layout::Layout): Force section types of .init_array*,
104         .preinit_array* and .fini_array* sections.
105         * output.cc (Output_section::Input_section_sort_entry::has_priority):
106         Fix check of return value of std::string::find.().
107         (Output_section::Input_section_sort_compare::operator()): Remove
108         comment about .init_array.
109         (Output_section::Input_section_sort_init_fini_compare::operator()):
110         New method.
111         (Output_section::sort_attached_input_sections): Handle .init_array
112         and .fini_array specially.
113         * output.h (Output_section::Inut_section_sort_compare): Update
114         comment.
115         (Output_section::Input_section_sort_init_fini_compare): New struct.
116
117 2010-02-26  Doug Kwan  <dougkwan@google.com>
118
119         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
120         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
121         * testsuite/debug_msg.sh: Avoid matching source line number for
122         use of global variable undef_int.
123
124 2010-02-26  Doug Kwan  <dougkwan@google.com>
125
126         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
127         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
128         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
129         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
130         * options.cc (General_options::General_options): Initialize member
131         fix_v4bx_.
132         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
133         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
134         and rm_no_fix_v4bx.stdout
135         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
136         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
137         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
138         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
139         and arm_no_fix_v4bx.
140         * Makefile.in: Regenerate.
141         * testsuite/arm_fix_v4bx.s: New file.
142         * testsuite/arm_fix_v4bx.sh: Ditto.
143
144 2010-02-24  Doug Kwan  <dougkwan@google.com>
145
146         * arm.cc (Target_arm::got_section): Make the .got section the first
147         non RELRO section in the data segment.
148         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
149         suffixes of section names.
150
151 2010-02-24  Doug Kwan  <dougkwan@google.com>
152
153         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
154         flags and attributes merging if an input file is a binary file.
155         * fileread.cc (Input_file::open): Record format of original file.
156         * fileread.h (Input_file::Format): New enum type.
157         (Input_file::Input_file): Initialize data member format_.
158         (Input_file::format): New method definition.
159         (Input_file::format_):: New data member.
160
161 2010-02-24  Doug Kwan  <dougkwan@google.com>
162
163         * arm.cc (Arm_output_data_got): New class.
164         (ARM_TCB_SIZE): New constant
165         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
166         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
167         If user uses a script with a SECTIONS clause, issue only a warning
168         for a misplaced EXIDX input section.  Otherwise, issue an error.
169         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
170         garbage collection.
171         (Target_arm::got_mode_index_entry): Handle static linking.
172         (Target_arm::Scan::local): Ditto.
173         (Target_arm::Scan::global): Ditto.
174         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
175         all incorrectly implemented relocations.
176         (Target_arm::fix_exidx_coverage): Pass layout to 
177         Arm_output_section::fix_exidx_coverage.
178         * layout.cc (Layout::section_name_mapping): Remove trailing dots
179         from ".ARM.exidx." and ".ARM.extab.".
180
181 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
182
183         * arm.cc (Target_arm::do_finalize_sections): Create attribute
184         section if it does not already exist.
185         * attributes.cc (Attributes_section_data::Attributes_section_data):
186         Don't crash if size is zero.
187
188 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
189             Ian Lance Taylor  <iant@google.com>
190
191         * gold.cc (queue_middle_tasks): If no input files were opened,
192         exit.
193         * workqueue.h (Task_function::Task_function): Assert that there is
194         a blocker.
195
196 2010-02-22  Doug Kwan  <dougkwan@google.com>
197
198         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
199         * icf.cc (get_section_contents): Cast snprintf arguments to long long
200         types to avoid warnings due to different uint64_t implementations
201         on different hosts.
202
203 2010-02-21  Doug Kwan  <dougkwan@google.com>
204
205         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
206         handling of the maximum backward branch offset.
207         (Arm_relocate_functions::thumb_branch_common): Ditto.
208         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
209         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
210         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout, 
211         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
212         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
213         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
214         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
215         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
216         thumb_bl_out_of_range thumb_bl_out_of_range.o,
217         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
218         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
219         thumb2_bl_out_of_range.o): New rules.
220         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
221         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
222         thumb2_bl_out_of_range
223         * testsuite/Makefile.in: Regenerate.
224         * testsuite/arm_bl_in_range.s: New file.
225         * testsuite/arm_bl_out_of_range.s: Ditto.
226         * testsuite/arm_branch_in_range.sh: Ditto.
227         * testsuite/arm_branch_range.t: Ditto.
228         * testsuite/thumb2_branch_range.t: Ditto.
229         * testsuite/thumb_bl_in_range.s: Ditto.
230         * testsuite/thumb_bl_out_of_range.s: Ditto.
231         * testsuite/thumb_branch_range.t: Ditto.
232
233 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
234
235         * gc.h (gc_process_relocs): Change vectors to point to the new list.
236         Add reloc offset information.
237         * icf.cc (get_section_contents): Change iterators to point to the new
238         vectors. Add reloc offset information to the contents.
239         * icf.h (Icf::Sections_reachable_info): New typedef.
240         (Icf::Sections_reachable_list): New typedef.
241         (Icf::Offset_info): New typedef.
242         (Icf::Reloc_info): New struct typedef.
243         (Icf::Reloc_info_list): New typedef.
244         (Icf::symbol_reloc_list): Delete method.
245         (Icf::addend_reloc_list): Delete method.
246         (Icf::section_reloc_list): Delete method.
247         (Icf::reloc_info_list): New method.
248         (Icf::reloc_info_list_): New member.
249
250 2010-02-19  Doug Kwan  <dougkwan@google.com>
251
252         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
253         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
254         * arm.cc (Arm_relocation_functions): New forward declaration.
255         (Target_arm::Target_arm): Initialize new data members
256         got_mod_index_offset_ and tls_base_symbol_defined_.
257         (Target_arm::Relocate::relocate_tls): New method.
258         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
259          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
260         New methods.
261         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
262         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
263         (Target_arm::got_mod_index_offset_,
264         Target_arm::tls_base_symbol_defined_): New data members.
265         (Target_arm::Scan::local, Target::Scan::global,
266         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
267         relocations.
268
269 2010-02-18  Doug Kwan  <dougkwan@google.com>
270
271         * arm.cc (Arm_relobj::find_linked_text_section): New method.
272         (Arm_relobj::make_exidx_input_section): Pass section index of linked
273         text section as a parameter becuase some broken tools may not set
274         the link in section header.
275         (Target_arm::has_got_section): New method.
276         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
277         without any mapping symbol as data only.  Remove warning.
278         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
279         link in its section header, try to discover the link by inspecting the
280         REL31 relocation at the beginning of the section.
281         (Target_arm::Scan::check_non_pic): Report name of offending relocation
282         in error message.
283         (Target_arm::Scan::global): Treat any reference to the symbol
284         _GLOBAL_OFFSET_TABLE_ as a GOT access.
285
286 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
287
288         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
289         (Scan::global_reloc_may_be_function_pointer): New function.
290         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
291         (Scan::global_reloc_may_be_function_pointer): New function.
292         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
293         (Scan::global_reloc_may_be_function_pointer): New function.
294         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
295         (Scan::global_reloc_may_be_function_pointer): New function.
296         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
297         (Scan::global_reloc_may_be_function_pointer): New function.
298         (Scan::possible_function_pointer_reloc): New function.
299         (Target_x86_64::can_check_for_function_pointers): New function.
300         * gc.h (gc_process_relocs): Scan relocation types to determine if
301         function pointers were taken for targets that support it.
302         * icf.cc (Icf::find_identical_sections): Include functions for
303         folding in safe ICF whose pointer is not taken.
304         * icf.h (Secn_fptr_taken_set): New typedef.
305         (fptr_section_id_): New member.
306         (section_has_function_pointers): New function.
307         (set_section_has_function_pointers): New function.
308         (check_section_for_function_pointers): New function.
309         * options.h: Fix comment for safe ICF option.
310         * target.h (can_check_for_function_pointers): New function.
311         * testsuite/Makefile.am: Add icf_safe_so_test test case.
312         Modify icf_safe_test for X86-64.
313         * testsuite/Makefile.in: Regenerate.
314         * testsuite/icf_safe_so_test.cc: New file.
315         * testsuite/icf_safe_so_test.sh: New file.
316         * testsuite/icf_safe_test.cc (kept_func_3): New function.
317         (main): Change to take pointer to function kept_func_3.
318         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
319         folding is done correctly for X86-64.
320
321 2010-02-12  David S. Miller  <davem@davemloft.net>
322
323         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
324         is_symbolless parameter.
325         (Output_reloc<SHT_REL>::is_symbolless): New.
326         (Output_reloc<SHT_REL>::is_symbolless_): New.
327         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
328         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
329         (Output_reloc<SHT_RELA>::is_symbolless): New.
330         (Output_data_reloc::add_global): Handle is_symbolless.
331         (Output_data_reloc::add_global_relative): Likewise.
332         (Output_data_reloc::add_local): Likewise.
333         (Output_data_reloc::add_local_relative): Likewise.
334         (Output_data_reloc::add_symbolless_global_addend): New.
335         (Output_data_reloc::add_symbolless_local_addend): New.
336         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
337         is_symbolless.
338         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
339         instead of ->is_relative_
340         (Output_reloc::write): Likewise.
341         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
342         (Output_reloc::write_rel): Simplify.
343
344         * sparc.cc (Target_sparc::Scan::local): Use
345         ->add_symbolless_local_addend as needed.
346         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
347         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
348         based upon relocation offset.
349
350 2010-02-11  Doug Kwan  <dougkwan@google.com>
351
352         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
353         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
354         beginning of function.
355         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
356         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
357         parameter is_32bit in calls to should_apply_static_reloc.
358         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
359         (check_DATA): Add arm_abs_global.stdout.
360         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
361         arm_abs_global.stdout): New rules.
362         (MOSTLLYCLEANFILES): Add arm_abs_global
363         * Makefile.in: Regenerate.
364         * testsuite/arm_abs_global.s: New file.
365         * testsuite/arm_abs_global.sh: Ditto.
366         * testsuite/arm_abs_lib.s: Ditto.
367
368 2010-02-11  Ian Lance Taylor  <iant@google.com>
369
370         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
371         Read_relocs task.
372         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
373         Allocate_commons_task first.
374         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
375         task, rather than symtab_lock_.
376         (Gc_process_relocs::~Gc_process_relocs): New function.
377         (Gc_process_relocs::is_runnable): Check this_blocker_.
378         (Gc_process_relocs::locks): Use next_blocker_ rather than
379         blocker_.
380         (Scan_relocs::~Scan_relocs): New function.
381         (Scan_relocs::is_runnable): Check this_blocker_ rather than
382         symtab_lock_.
383         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
384         next_blocker_.
385         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
386         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
387         constructor accordingly.
388         (class Gc_process_relocs): Likewise.
389         (class Scan_relocs): Likewise.
390         * common.h (class Allocate_commons_task): Remove symtab_lock_
391         field, and corresponding constructor parameter.
392         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
393         symtab_lock_.
394         (Allocate_commons_task::locks): Likewise.
395
396 2010-02-11  Ian Lance Taylor  <iant@google.com>
397
398         * gold-threads.h (class Once): Define.
399         (class Initialize_lock): Rewrite as child of Once.
400         * gold-threads.cc (class Once_initialize): Define.
401         (once_pointer_control): New static variable.
402         (once_pointer, once_arg): New static variables.
403         (c_run_once): New static function.
404         (Once::Once, Once::run_once, Once::internal_run): New functions.
405         (class Initialize_lock_once): Remove.
406         (initialize_lock_control): Remove.
407         (initialize_lock_pointer): Remove.
408         (initialize_lock_once): Remove.
409         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
410         (Initialize_lock::initialize): Rewrite.
411         (Initialize_lock::do_run_once): New function.
412         * archive.cc (Archive::interpret_header): Only clear name if it is
413         not already empty.
414         * fileread.cc: Include "gold-threads.h"
415         (file_counts_lock): New static variable.
416         (file_counts_initialize_lock): Likewise.
417         (File_read::release): Only increment counts when using --stats.
418         Use a lock around the increment.
419         * parameters.cc (class Set_parameters_target_once): Define.
420         (set_parameters_target_once): New static variable.
421         (Parameters::Parameters): Move here from parameters.h.
422         (Parameters::set_target): Rewrite.
423         (Parameters::set_target_once): New function.
424         (Parameters::clear_target): Move here and rewrite.
425         * parameters.h (class Parameters): Update declarations.  Add
426         set_parameters_target_once_ field.
427         (Parameters::Parameters): Move to parameters.cc.
428         (Parameters::clear_target): Likewise.
429         * readsyms.cc (Read_symbols::do_group): Create a Start_group
430         task.
431         (Start_group::~Start_group): New function.
432         (Start_group::is_runnable): New function.
433         (Start_group::locks, Start_group::run): New functions.
434         (Finish_group::run): Change saw_undefined to size_t.
435         * readsyms.h (class Start_group): Define.
436         (class Finish_group): Change saw_undefined_ field to size_t.
437         (Finish_group::Finish_group): Remove saw_undefined and
438         this_blocker parameters.  Change all callers.
439         (Finish_group::set_saw_undefined): New function.
440         (Finish_group::set_blocker): New function.
441         * symtab.h (class Symbol_table): Change saw_undefined to return
442         size_t.  Change saw_undefined_ field to size_t.
443         * target-select.cc (Set_target_once::do_run_once): New function.
444         (Target_selector::Target_selector): Initialize set_target_once_
445         field.  Don't initialize lock_ and initialize_lock_ fields.
446         (Target_selector::instantiate_target): Rewrite.
447         (Target_selector::set_target): New function.
448         * target-select.h (class Set_target_once): Define.
449         (class Target_selector): Update declarations.  Make
450         Set_target_once a friend.  Remove lock_ and initialize_lock_
451         fields.  Add set_target_once_ field.
452
453 2010-02-10  Ian Lance Taylor  <iant@google.com>
454
455         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
456         queueing any tasks.
457         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
458         (queue_middle_tasks): Add all blockers before queueing any tasks.
459         (queue_final_tasks): Likewise.
460         * token.h (Task_token::add_blockers): New function.
461         * object.h (Input_objects::number_of_relobjs): New function.
462
463 2010-02-10  Ian Lance Taylor  <iant@google.com>
464
465         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
466         shared, not if not position independent.
467         * x86_64.cc (Relocate::relocate_tls): Likewise.
468         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
469         (tls_pie_pic_test): New target.
470         * testsuite/Makefile.in: Rebuild.
471
472         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
473         (tls_test_main_pie.o, tls_test_pie.o): New targets.
474         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
475         * testsuite/Makefile.in: Rebuild.
476
477 2010-02-09  David S. Miller  <davem@davemloft.net>
478
479         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
480         R_SPARC_RELATIVE using ->add_local_relative().
481         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
482
483         * output.h (Output_data_dynamic::add_section_size): New method
484         that takes two Output_data objects.
485         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
486         entry param.  Handle it in initializers.
487         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
488         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
489         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
490         arg.
491         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
492         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
493         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
494         for dynrel_includes_plt.
495         * i386.cc (Target_i386::do_finalize_sections): Likewise.
496         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
497         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
498         before .rela.plt
499         (Target_sparc::do_finalize_sections): Update to pass true for
500         dynrel_includes_plt.
501         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
502         output before .rela.plt
503         (Target_powerpc::do_finalize_sections): Update to pass true for
504         dynrel_includes_plt when 32-bit.
505
506 2010-02-08  Doug Kwan  <dougkwan@google.com>
507
508         * arm.cc (Arm_relobj::simple_input_section_output_address): New
509         method.
510         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
511         Arm_relobj::scan_section_for_cortex_a8_stubs,
512         Arm_relobj::do_relocation_section): Instead of calling
513         Output_section::output_address, use faster
514         Arm_relobj::simple_input_section_output_address.
515
516 2010-02-08  David S. Miller  <davem@davemloft.net>
517
518         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
519         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
520         relocation helper function.
521
522         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
523         just like R_SPARC_GOT{10,13,22}.
524         (Target_sparc::Scan::local): Likewise.
525         (Target_sparc::Relocate:relocate): Likewise.
526
527 2010-02-06  Ian Lance Taylor  <iant@google.com>
528
529         * configure.ac: Rewrite targetobjs duplicate removal code to use
530         only shell constructs.
531         * configure: Rebuild.
532
533 2010-02-05  Doug Kwan  <dougkwan@google.com>
534
535         PR 11247
536         * arm.cc (Arm_relobj::section_is_scannable): New method.
537         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
538         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
539
540 2010-02-04  Doug Kwan  <dougkwan@google.com>
541
542         PR 11247
543         * arm-reloc-property.cc (cstdio): Include.
544         * configure.ac (targetobjs): Remove duplicates.
545         * configure: Regenerate.
546         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
547         big and little endian version for a given address size.
548
549 2010-02-03  Doug Kwan  <dougkwan@google.com>
550
551         * arm-reloc-property.cc
552         (Arm_reloc_property_table::reloc_name_in_error_message): New method
553         definition.
554         * arm-reloc-property.h
555         (Arm_reloc_property_table::get_implemented_static_reloc_property):
556         New method definition.
557         (Arm_reloc_property_table::reloc_name_in_error_message): New method
558         declaration.
559         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
560         overflow to N.
561         (GOT_PREL): Change implemented to Y.
562         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
563         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
564         (Arm_relocate_functions::movw_abs_nc): Remove method.
565         (Arm_relocate_functions::movt_abs): Ditto.
566         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
567         (Arm_relocate_functions::thm_movt_abs): Ditto.
568         (Arm_relocate_functions::movw_rel_nc): Ditto.
569         (Arm_relocate_functions::movw_rel): Ditto.
570         (Arm_relocate_functions::movt_rel): Ditto.
571         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
572         (Arm_relocate_functions:thm_movw_rel): Ditto.
573         (Arm_relocate_functions:thm_movt_rel): Ditto.
574         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
575         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
576         New method definitions.
577         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
578         (Arm_relocation_functions::arm_grp_ldr): Ditto.
579         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
580         (Arm_relocation_functions::arm_grp_ldc): Ditto.
581         (Target_arm::Relocate::relocate): Check for non-static or
582         unimplemented relocation code and exit early.  Change calls to
583         Target_arm::reloc_uses_thumb_bit and
584         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
585         instead.  Refactor code to handle similar relocations to increase
586         code sharing.  Remove check for unsupported relocation code in switch
587         statement.
588         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
589         relocation property table to find out size.  Change error message to
590         print out the name of a relocation code instead of the numeric value.
591         (Target_arm::scan_reloc_for_stub): Use relocation property table
592         instead of calling Target_arm::reloc_uses_thumb_bit().
593
594 2010-02-02  Doug Kwan  <dougkwan@google.com>
595
596         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
597         types of relaxed input section.
598
599 2010-02-02  Doug Kwan  <dougkwan@google.com>
600
601         * Makefile.am (HFILES): Add arm-reloc-property.h.
602         (DEFFILES): New.
603         (TARGETSOURCES): Add arm-reloc-property.cc
604         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
605         (libgold_a_SOURCES): $(DEFFILES)
606         * Makefile.in: Regenerate.
607         * arm-reloc-property.cc: New file.
608         * arm-reloc-property.h: New file.
609         * arm-reloc.def: New file.
610         * arm.cc: Update comments.
611         (arm-reloc-property.h): New included header.
612         (arm_reloc_property_table): New global variable.
613         (Target_arm::do_select_as_default_target): New method definition.
614         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
615         arm-reloc-property to targ_extra_obj.
616         * parameters.cc (set_parameters_target): Call
617         Target::select_as_default_target().
618         * target.h (Target::select_as_default_target): New method definition.
619         (Target::do_select_as_default_target): Same.
620
621 2010-02-01  Doug Kwan  <dougkwan@google.com>
622
623         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
624         first_output_text_section_.
625         (Arm_exidx_fixup::first_output_text_section): New method definition.
626         (Arm_exidx_fixup::first_output_text_section_): New data member.
627         (Arm_exidx_fixup::process_exidx_section): Record the first text
628         output section seen.
629         (Arm_output_section::fix_exidx_coverage): Set correct linked section
630         and entsize in output section header.
631
632 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
633
634         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
635         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
636         (Arm_relocate_functions::thm_alu11): New Method.
637         (Arm_relocate_functions::thm_pc8): New Method.
638         (Arm_relocate_functions::thm_pc12): New Method.
639         (Target_arm::Scan::local): Handle the relocations.
640         (Target_arm::Scan::global): Likewise.
641         (Target_arm::Relocate::relocate): Likewise.
642         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
643
644 2010-01-29  Doug Kwan  <dougkwan@google.com>
645
646         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
647         of relocation types as ld.
648
649 2010-01-29  Doug Kwan  <dougkwan@google.com>
650
651         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
652         to public.
653         (Arm_relocate_functions::thumb_branch_common): Ditto.
654         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
655         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
656         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
657         Arm_relocate_functions::jump24): Remove.
658         (Target_arm::Relocate::relocate): Adjust code to call
659         Arm_relocation_functions::arm_branch_common and
660         Arm_relocation_functions::thumb_branch_common instead of their removed
661         wrappers.  Merge switch-cases together to reduce source code size.  
662
663 2010-01-29  Doug Kwan  <dougkwan@google.com>
664
665         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
666         output_local_symbol_count_needs_update_.
667         (Arm_relobj::output_local_symbol_count_needs_update,
668          Arm_relobj::set_output_local_symbol_count_needs_update,
669          Arm_relobj::update_output_local_symbol_count): New methods.
670         (Arm_relobj::output_local_symbol_count_needs_update_): New data
671         member.
672         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
673         of pointed function as in a R_ARM_PREL31 relocation.
674         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
675         for output local symbol count updating.
676         (Target_arm::do_relax): Update output local symbol counts in objects
677         if necessary.
678         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
679
680 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
681
682         * arm.cc: Added support for the ARM relocations:
683         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
684         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
685         (Arm_relocate_functions::movw_rel_nc): Renamed (was
686         movw_prel_nc).
687         (Arm_relocate_functions::movw_rel): New method.
688         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
689         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
690         thm_movw_prel_nc).
691         (Arm_relocate_functions::thm_movw_rel): New method.
692         (Arm_relocate_functions::thm_movt_rel): Renamed (was
693         thm_movt_prel).
694         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
695         relocations.
696         (Target_arm::Scan::global): Likewise.
697         (Target_arm::Relocate::relocate): Likewise.
698         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
699         Likewise.
700
701 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
702
703         * arm.cc: Added support for ARM group relocations.
704         (Target_arm::reloc_needs_sym_origin): New method.
705         (Arm_relocate_functions::calc_grp_kn): New method.
706         (Arm_relocate_functions::calc_grp_residual): New method.
707         (Arm_relocate_functions::calc_grp_gn): New method.
708         (Arm_relocate_functions::arm_grp_alu): New Method.
709         (Arm_relocate_functions::arm_grp_ldr): New Method.
710         (Arm_relocate_functions::arm_grp_ldrs): New Method.
711         (Arm_relocate_functions::arm_grp_ldc): New Method.
712         (Target_arm::Scan::local): Handle the ARM group relocations.
713         (Target_arm::Scan::global): Likewise.
714         (Target_arm::Relocate::relocate): Likewise.
715         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
716         Likewise.
717
718 2010-01-26  Doug Kwan  <dougkwan@google.com>
719
720         * arm.cc (set): Include.
721         (class Arm_exidx_fixup): Change type of last_input_section_ to const
722         pointer type.
723         (Arm_output_section::Text_section_list): New type.
724         (Arm_output_section::append_text_sections_to_list): New method.
725         (Arm_output_section::fix_exidx_coverage): Ditto.
726         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
727         (Arm_relobj::convert_input_section_to_relaxed_section): Use
728         Relobj::set_section_offset() instead of
729         Sized_relobj::invalidate_section_offset().
730         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
731         parameter for section headers. Ignore relocation sections for
732         unallocated sections and EXIDX sections.
733         (Target_arm::fix_exidx_coverage): New method.
734         (Target_arm::output_section_address_less_than): New type.
735         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
736         linked text section instead of the EXIDX section.
737         (Arm_output_section::create_stub_group): Add an assertion to check
738         that this is not an EXIDX output section.
739         (Arm_output_section::append_text_sections_to_list): New method.
740         (Arm_output_section::fix_exidx_coverage): Ditto.
741         (Arm_relobj::scan_sections_for_stubs): Adjust call to
742         Arm_relobj::section_needs_reloc_stub_scanning.
743         (Target_arm::do_relax): Fix EXIDX output section coverage in the
744         first pass.
745         (Target_arm::fix_exidx_coverage): New method.
746         * object.h (Relobj::set_output_section): New method.
747         (Sized_relobj::invalidate_section_offset): Remove method.
748         (Sized_relobj::do_invalidate_section_offset): Remove method.
749         (Sized_relobj::do_set_section_offset): Handle offset value -1.
750
751 2010-01-25  Doug Kwan  <dougkwan@google.com>
752
753         * arm.cc (Arm_exidx_merged_section::do_output_offset):
754         Fix warning due to signed and unsigned comparison on a 32-bit host.
755
756 2010-01-22  Doug Kwan  <dougkwan@google.com>
757
758         * arm.cc (Target_arm::do_relax): Record an output section for section
759         offset adjustment it contains any stub table that has changed.
760         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
761         offsets in an output section if necessary.
762         * output.cc (Output_section::Output_section): Initialize
763         section_offsets_need_adjustments_.
764         (Output_section::add_input_section_for_script): Renamed to
765         Output_section::add_simple_input_section.
766         (Output_section::save_states): Add a comment.
767         (Output_section::discard_states): New method defintion.
768         (Output_section::adjust_section_offsets): Same.
769         * output.h (Output_section::add_input_section_for_script): Renamed to
770         Output_section::add_simple_input_section.
771         (Output_section::discard_states): New method declaration.
772         (Output_section::adjust_section_offsets): Same.
773         (Output_section::section_offsets_need_adjustment,
774         Output_section::set_section_offsets_need_adjustment): New method
775         definitions.
776         (Output_section::section_offsets_need_adjustment_): New data member.
777         * script-sections.cc
778         (Output_section_element_input::set_section_address): Adjust code for
779         renaming of Output_section::add_input_section_for_script.
780         (Orphan_output_section::set_section_address): Same.
781
782 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
783
784         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
785         Fix_v4bx enum values .
786         * gold/options.h (General_options): New option definitions.
787         (General_options::fix_v4bx): New method.
788         (General_options::Fix_v4bx): New enum.
789         * gold/options.cc (General_options::parse_fix_v4bx): New method.
790         (General_options::parse_fix_v4bx_interworking): New method.
791
792 2010-01-22  Doug Kwan  <dougkwan@google.com>
793
794         * arm.cc (Arm_exidx_fixup): New class.
795
796 2010-01-21  Doug Kwan  <dougkwan@google.com>
797
798         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
799         classes.
800         (Arm_exidx_section_offset_map): New type.
801
802 2010-01-21  Doug Kwan  <dougkwan@google.com>
803
804         * arm.cc (Arm_exidx_input_section): New class.
805         (Arm_relobj::exidx_input_section_by_link,
806         Arm_relobj::exidx_input_section_by_shndx,
807         Arm_relobj::make_exidx_input_section): New methods.
808         (read_arm_attributes_section): Remove.
809         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
810         information about them.
811         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
812         to here.
813
814 2010-01-20  Doug Kwan  <dougkwan@google.com>
815
816         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
817         Input_section_specifier to Section_id.
818         (Target_arm::new_arm_input_section: Adjust code for change of key
819         type.
820         (Target_arm::find_arm_input_section): Ditto.
821         * gc.h (object.h): Include for Section_id nand Section_id_hash.
822         (Section_id): Remove.
823         (Garbage_collection::Section_id_hash): Remove.
824         * icf.h (object.h): Include for Section_id nand Section_id_hash.
825         (Section_id): Remove.
826         (Icf::Section_id_hash): Remove.
827         * object.h (Section_id, Const_section_id, Section_id_hash,
828         Const_section_id_hash): New type definitions.
829         * output.cc (Output_section::add_relaxed_input_section): Change to
830         use Const_section_id instead of Input_section_specifier as key type.
831         (Output_section::add_merge_input_section): Ditto.
832         (Output_section::build_relaxation_map): Change to use Section_id
833         instead of Input_section_specifier as key type.
834         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
835         Ditto.
836         (Output_section::convert_input_sections_to_relaxed_sections): Change
837         to use Const_section_id instead of Input_section_specifier as key type.
838         (Output_section::find_merge_section): Ditto.
839         (Output_section::find_relaxed_input_section): Ditto.
840         * output.h (Input_section_specifier): Remove class.
841         (Output_section::Output_section_data_by_input_section_map): Change
842         key type to Const_section_id.
843         (Output_section::Output_relaxed_input_section_by_input_section_map):
844         Ditto.
845         (Output_section::Relaxation_map): Change key type to Section_id.
846
847 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
848
849         * gold/arm.cc: Added support for R_ARM_V4BX relocation
850         (class Arm_v4bx_stub): New class.
851         (DEF_STUBS): Updated definition to support v4_veneer_bx.
852         (Stub_factory::make_arm_v4bx_stub): New method.
853         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
854         (Stub_table::empty): Handle v4bx stubs.
855         (Stub_table::add_arm_v4bx_stub): New method.
856         (Stub_table::find_arm_v4bx_stub): New method.
857         (Arm_relocate_functions::v4bx): New method.
858         (Target_arm::fix_v4bx): New method.
859         (Target_arm::Target_arm): Handle R_ARM_V4BX.
860         (Stub_table::relocate_stubs): Likewise.
861         (Stub_table::do_write): Likewise.
862         (Stub_table::update_data_size_and_addralign): Likewise.
863         (Stub_table::finalize_stubs):  Likewise.
864         (Target_arm::Scan::local): Likewise.
865         (Target_arm::Scan::global): Likewise.
866         (Target_arm::do_finalize_sections): Likewise.
867         (Target_arm::Relocate::relocate): Likewise.
868         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
869         Likewise.
870         (Target_arm::scan_reloc_for_stub): Likewise.
871         (Target_arm::scan_reloc_section_for_stubs): Likewise.
872
873 2010-01-19  Ian Lance Taylor  <iant@google.com>
874
875         * output.cc (Output_section_headers::do_sized_write): Write large
876         segment count to sh_info field.
877         (Output_file_header::do_sized_write): For large segment count,
878         write PN_XNUM to e_phnum field.
879
880 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
881
882         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
883         (Arm_relocate_functions::thm_jump8): New function.
884         (Arm_relocate_functions::thm_jump11): New function.
885         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
886         R_ARM_THM_JUMP11.
887         (Target_arm::Scan::global): Likewise.
888         (Target_arm::Relocate::relocate): Likewise.
889         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
890         Likewise.
891
892 2010-01-14  Doug Kwan  <dougkwan@google.com>
893
894         * arm.cc (map, utility): Include headers.
895         (Target_arm::apply_cortex_a8_workaround): New method.
896         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
897         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
898         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
899         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
900         the --[no-]fix-cortex-a8 command line options.
901         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
902         (Target_arm::relocate_stub): Use addend in instruction template.
903         * options.h (DEFINE_bool): Set the user-set flag.
904         (General_options): Add --[no-]-fix-cortex options.
905         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
906         : Update fast look-up map after conversion. 
907
908 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
909
910         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
911         in the first pass of do_layout.
912
913 2010-01-13  Doug Kwan  <dougkwan@google.com>
914
915         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
916         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
917         apparent compiler problem of not folding static constant integral
918         data members of elfcpp::Elf_sizes<32>.
919
920 2010-01-13  Doug Kwan  <dougkwan@google.com>
921
922         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
923         Arm_relobj::section_needs_cortex_a8_stub_scanning,
924         Arm_relobj::scan_section_for_cortex_a8_erratum,
925         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
926         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
927         sections to scan for relocation stubs into a new method
928         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
929         relocation and Cortex-A8 stub scanning.
930         (Target_arm::do_relax): Force stubs to be after stubbed sections
931         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
932         the beginning of a new relaxation pass.  Update a comment. 
933         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
934
935 2010-01-12  Ian Lance Taylor  <iant@google.com>
936
937         * target-reloc.h (visibility_error): New inline function.
938         (relocate_section): Call visibility_error.
939         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
940         (MOSTLYCLEANFILES): Likewise.
941         (protected_4_pic.o, protected_3.err): New targets.
942         * testsuite/protected_4.cc: New file.
943
944 2010-01-12  Doug Kwan  <dougkwan@google.com>
945
946         * arm.cc (Cortex_a8_reloc): New class.
947         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
948         and cortex_a8_relocs_info_.
949         (Target_arm::fix_cortex_a8): New method definition.
950         (Target_arm::Cortex_a8_relocs_info): New type.
951         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
952         New data member declarations.
953         (Target_arm::scan_reloc_for_stub): Record information about
954         relocations for THUMB branches that might be exempted from the
955         Cortex-A8 workaround.
956         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
957         at the beginning of a relaxation pass.
958
959 2010-01-12  Doug Kwan  <dougkwan@google.com>
960
961         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
962         (Arm_relobj::Mapping_symbol_position,
963          Arm_reloj::Mapping_symbol_position_less,
964          Arm_relobj::Mapping_symbols_info): New types.
965         (Target_arm::is_mapping_symbol_name): New method definition.
966         (Arm_relobj::do_count_local_symbols): Save information about mapping
967         symbols.
968
969 2010-01-11  Doug Kwan  <dougkwan@google.com>
970
971         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
972         Arm_relocate_functions::thumb32_branch_upper,
973         Arm_relocate_functions::thumb32_branch_lower,
974         Arm_relocate_functions::thumb32_cond_branch_offset,
975         Arm_relocate_functions::thumb32_cond_branch_upper,
976         Arm_relocate_functions::thumb32_cond_branch_lower,
977         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
978         branch offset encoding.
979         (Arm_relocate_functions::thumb_branch_common): Use new branch
980         offset encoding methods to avoid code duplication.
981         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
982         (Stub_addend_reader::operator()): Use new branch encoding method
983         to avoid code duplication.
984
985 2010-01-11  Doug Kwan  <dougkwan@google.com>
986
987         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
988         (Target_arm::do_finalize_sections): Define special EXIDX section
989         symbols only if referenced.
990         * gc.h (Garbage_collection::add_reference): New method.
991         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
992         code duplication.
993
994 2010-01-11  Ian Lance Taylor  <iant@google.com>
995
996         * script.cc (Version_script_info::build_expression_list_lookup):
997         Change complaing about duplicate wildcard match from error to
998         warning.
999
1000         * script.cc (class Lazy_demangler): Recreate--revert part of patch
1001         of 2009-12-30.
1002         (Version_script_info::Version_script_info): Initialize globs_,
1003         default_version_, default_is_global_, and exact_.  Don't
1004         initialize globals_ or locals_.
1005         (Version_script_info::build_lookup_tables): Build local symbols
1006         first.
1007         (Version_script_info::unquote): New function.
1008         (Version_script_info::add_exact_match): New function.
1009         (Version_script_info::build_expression_list_lookup): Remove lookup
1010         parameter.  Add is_global parameter.  Change all callers.  Handle
1011         wildcard pattern specially.  Unquote pattern.  Call
1012         add_exact_match.
1013         (Version_script_info::get_name_to_match): New function.
1014         (Version_script_info::get_symbol_version): New function.
1015         (Version_script_info::get_symbol_version_helper): Remove.
1016         (Version_script_info::check_unmatched_names): Call unquote.
1017         * script.h (class Version_script_info): Change get_symbol_version
1018         to be non-inline and add is_global parameter; change all callers.
1019         Rewrite symbol_is_local.  Update declarations.  Define struct
1020         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
1021         Remove globals_ and locals_ members.  Add exact_, globs_,
1022         default_version_, is_global_.
1023         (Version_script_info::Glob): Remove pattern, add expression and
1024         is_global.  Update constructor.  Change all callers.
1025         * dynobj.cc (Versions::finalize): Mark the version symbol as the
1026         default version.
1027         (Versions::symbol_section_contents): If a symbol is undefined, or
1028         defined in a dynamic object, set the version index to
1029         VER_NDX_LOCAL.
1030         * symtab.cc (Symbol_table::add_from_relobj): Don't call
1031         symbol_is_local.
1032         (Symbol_table::add_from_pluginobj): Likewise.
1033         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
1034
1035 2010-01-11  Doug Kwan  <dougkwan@google.com>
1036
1037         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
1038         (incremental_dump_LDADD): Add linking option for libintl.
1039         * Makefile.in: Regenerate.
1040
1041 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
1042
1043         PR gold/11144
1044         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
1045         instead of -Ds.
1046         * testsuite/Makefile.in: Regenerated.
1047
1048 2010-01-10  Doug Kwan  <dougkwan@google.com>
1049
1050         * options.h (DEFINE_var): Use parentheses around argument varname__
1051         in macro body to avoid any unintended subsequent substitutions.
1052
1053 2010-01-10  Ian Lance Taylor  <iant@google.com>
1054
1055         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
1056         candidates before doing symbol resolution.
1057
1058         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
1059         ODR candidates if only one is weak.
1060
1061 2010-01-08  Ian Lance Taylor  <iant@google.com>
1062
1063         * script.cc (Version_script_info::build_expression_list_lookup):
1064         Don't warn about ambiguous version, just record the ambiguity.
1065         (Version_script_info::get_symbol_version_helper): Give error if
1066         version is ambiguous.
1067
1068 2010-01-08  Doug Kwan  <dougkwan@google.com>
1069
1070         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
1071           prev_data_size_ and prev_addralign_.  Remove initializer for
1072           deleted data member has_been_changed_.
1073           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
1074           to determine if the table is empty.
1075           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
1076           Remove.
1077           (Stub_table::add_reloc_stub): Define method in class definition
1078           instead of just declaring it there.
1079           (Stub_table::add_cortex_a8_stub): New method definition.
1080           (Stub_table::update_data_size_and_addralign): Ditto.
1081           (Stub_table::finalize_stubs): Ditto.
1082           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
1083           (Stub_table::do_addralign_): Return address alignment in the
1084           (Stub_table::do_reset_address_and_file_offset): Define method in
1085           class definition instead of declaring it there.  Set current data
1086           size to be the data size of the previous pass.
1087           (Stub_table::set_final_data_size): Use current data size as the
1088           final data size.
1089           (Stub_table::relocate_stub): Change parameter type of stub from
1090           Reloc_stub pointer to Stub pointer.
1091           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
1092           (Stub_table::Cortex_a8_stub_list): New typedef.
1093           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
1094            Stub_table::prev_addralign_): New data member.
1095           (Arm_relobj::Arm_relobj): Initialize data member
1096           section_has_cortex_a8_workaround_.
1097           (Arm_relobj::section_has_cortex_a8_workaround,
1098            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
1099            definitions.
1100           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
1101           declarations.
1102           (Target_arm::relocate_stub): Change parameter type of stub from
1103           Reloc_stub pointer to Stub pointer.
1104           (Insn_template::size, Insn_template::alignment): Handle
1105           THUMB16_SPECIAL_TYPE.
1106           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
1107            Stub_table::update_data_size_and_addralign,
1108            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
1109           definitions.
1110           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
1111           (Stub_table::do_write): Ditto.
1112           (Target_arm::do_relax): Adjust code for changes in Stub_table.
1113
1114 2010-01-08  Ian Lance Taylor  <iant@google.com>
1115
1116         PR 11108
1117         * symtab.h (class Symbol): Remove fields is_target_special_ and
1118         has_plt_offset_.  Add field is_defined_in_discarded_section_.
1119         (Symbol::is_defined_in_discarded_section): New function.
1120         (Symbol::set_is_defined_in_discarded_section): New function.
1121         (Symbol::has_plt_offset): Rewrite.
1122         (Symbol::set_plt_offset): Verify that new offset is not -1U.
1123         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
1124         Don't initialize is_target_special_ or has_plt_offset_.
1125         Initialize is_defined_in_discarded_section_.
1126         (Symbol_table::add_from_relobj): If appropriate, set
1127         is_defined_in_discarded_section.
1128         * resolve.cc (Symbol::override_base_with_special): Don't test
1129         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
1130         * target-reloc.h (relocate_section): Do special handling for
1131         symbols defined in discarded sections for global symbols as well
1132         as local symbols.
1133
1134 2010-01-08  Ian Lance Taylor  <iant@google.com>
1135
1136         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
1137         the SHT_SYMTAB case.
1138
1139 2010-01-08  Ian Lance Taylor  <iant@google.com>
1140
1141         * object.cc (Sized_relobj::do_layout): Don't get confused if
1142         layout_eh_frame returns NULL.
1143
1144 2010-01-08  Ian Lance Taylor  <iant@google.com>
1145
1146         PR 11084
1147         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
1148         dynamic symbol table, use the normal symbol table.
1149         (Sized_dynobj::do_read_symbols): Remove assertion about type of
1150         symbol table.
1151
1152 2010-01-08  Ian Lance Taylor  <iant@google.com>
1153
1154         PR 11072
1155         * layout.cc (Layout::include_section): Remove .gnu_debuglink
1156         sections.
1157
1158 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
1159
1160         * version.cc (print_version): Change to "Copyright 2010".
1161
1162 2010-01-08  Ian Lance Taylor  <iant@google.com>
1163
1164         PR 10287
1165         PR 11063
1166         * i386.cc (class Target_i386): Change return type of plt_section
1167         to be non-const.
1168         (class Output_data_plt_i386): Add tls_desc_rel_ field.
1169         (Output_data_plt_i386::Output_data_plt_i386): Initialize
1170         tls_desc_rel_ field.
1171         (Output_data_plt_i386::rel_tls_desc): New function.
1172         (Target_i386::rel_tls_desc_section): New function.
1173         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
1174         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
1175         R_386_TLS_DESC reloc in rel_tls_desc_section.
1176         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
1177         Define struct Tlsdesc_info.
1178         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
1179         (Target_x86_64::do_reloc_symbol_index): New function.
1180         (Target_x86_64::add_tlsdesc_info): New function.
1181         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
1182         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
1183         tlsdesc_rel_ field.
1184         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
1185         all callers.
1186         (Output_data_plt_x86_64::rela_tlsdesc): New function.
1187         (Target_x86_64::rela_tlsdesc_section): New function.
1188         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
1189         handling.
1190         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
1191         (Target_x86_64::do_reloc_addend): New function.
1192         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
1193         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
1194         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
1195         (Output_reloc::type): New function.
1196         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
1197         (Output_reloc::is_target_specific): New function.
1198         (Output_reloc::target_arg): New function.
1199         (class Output_reloc) [SHT_RELA]: Add four new constructors for
1200         absolute relocs and target specific relocs.
1201         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
1202         add_target_specific.
1203         (class Output_data_reloc) [SHT_RELA]: Likewise.
1204         * output.cc (Output_reloc::Output_reloc): Add four new versions
1205         for absolute relocs and target specific relocs.
1206         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
1207         (Output_reloc::get_symbol_index): Likewise.
1208         (Output_reloc::local_section_offset): Check that local_sym_index_
1209         is not TARGET_CODE or 0.
1210         (Output_reloc::symbol_value): Likewise.
1211         (Output_reloc::write) [SHT_RELA]: Call target for target specific
1212         reloc.
1213         * target.h (class Target): Add reloc_symbol_index and reloc_addend
1214         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
1215         functions.
1216         * layout.cc (add_target_dynamic_tags): Use output section for
1217         DT_PLTRELSZ and DT_JMPREL.
1218
1219 2010-01-07  Ian Lance Taylor  <iant@google.com>
1220
1221         PR 11061
1222         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
1223         function.
1224         (class Output_data_reloc_generic): Define.
1225         (class Output_data_reloc_base): Change base class to
1226         Output_data_reloc_generic.  Change add() method to call
1227         bump_relative_reloc_count for a relative reloc.  Remove
1228         sort_relocs_ field.
1229         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
1230         to sort_relocs().
1231         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
1232         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
1233         appropriate.
1234         * layout.h (class Layout): Update declaration.
1235
1236 2010-01-07  Ian Lance Taylor  <iant@google.com>
1237
1238         * output.h (class Output_data): Add const version of
1239         output_section and do_output_section.
1240         (class Output_section_data): Add const version of
1241         do_output_section.
1242         (class Output_section): Likewise.
1243         * layout.cc (Layout::add_target_dynamic_tags): New function.
1244         * layout.h (class Layout): Update declarations.
1245         * arm.cc (Target_arm::do_finalize_sections): Use
1246         add_target_dynamic_tags.
1247         * i386.cc (Target_i386::do_finalize_sections): Likewise.
1248         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
1249         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
1250         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
1251
1252 2010-01-07  Ian Lance Taylor  <iant@google.com>
1253
1254         PR 11042
1255         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
1256         object as needed.
1257
1258 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
1259             Ian Lance Taylor  <iant@google.com>
1260
1261         PR 11019
1262         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
1263         Xindex::read_symtab_xindex.
1264
1265 2010-01-07  Doug Kwan  <dougkwan@google.com>
1266
1267         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
1268         (Insn_template::thumb16_bcond_insn): New method declaration.
1269         (Insn_template): Fix spelling.
1270         (Stub::thumb16_special): New method declaration.
1271         (Stub::do_write): Define virtual method which was previously pure
1272         virtual.
1273         (Stub::do_thumb16_special): New method declaration.
1274         (Stub::do_fixed_endian_write): New template member.
1275         (Reloc_stub::do_write): Remove.
1276         (Reloc_stub::do_fixed_endian_write): Remove.
1277         (Cortex_a8_stub): New class definition.
1278         (Stub_factory::make_cortex_a8_stub): New method definition.
1279         (Stub_factory::Stub_factory): Add missing static storage class
1280         qualifier for elf32_arm_stub_a8_veneer_blx.
1281
1282 2010-01-07  Ian Lance Taylor  <iant@google.com>
1283
1284         PR 10980
1285         * options.h (class General_options): Add --warn-unresolved-symbols
1286         and --error-unresolved-symbols.
1287         * errors.cc (Errors::undefined_symbol): Implement
1288         --warn-unresolved-symbols.
1289
1290         * options.h (class General_options): Add -z text and -z textoff.
1291         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
1292
1293 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
1294
1295         * gc.h (Garbage_collection::Cident_section_map): New typedef.
1296         (Garbage_collection::cident_sections): New function.
1297         (Garbage_collection::add_cident_section): New function.
1298         (Garbage_collection::cident_sections_): New member.
1299         (gc_process_relocs): Add references to sections whose names are C
1300         identifiers.
1301         * gold.h (cident_section_start_prefix): New constant.
1302         (cident_section_stop_prefix): New constant.
1303         (is_cident): New function.
1304         * layout.cc (Layout::define_section_symbols): Replace string constants
1305         with the newly defined constants.
1306         * object.cc (Sized_relobj::do_layout): Track sections whose names are
1307         C identifiers.
1308         * testsuite/Makefile.am: Add gc_orphan_section_test.
1309         * testsuite/Makefile.in: Regenerate.
1310         * testsuite/gc_orphan_section_test.cc: New file.
1311         * testsuite/gc_orphan_section_test.sh: New file.
1312
1313 2010-01-06  Ian Lance Taylor  <iant@google.com>
1314
1315         PR 10980
1316         * options.h (class General_options): Add --warn-shared-textrel.
1317         * layout.cc (Layout::finish_dynamic_section): Implement
1318         --warn-shared-textrel.
1319
1320         PR 10980
1321         * options.h (class General_options): Add --warn-multiple-gp.
1322
1323 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1324
1325         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
1326         $(THREADSLIB) and $(LIBDL).
1327         * Makefile.in: Rebuild.
1328
1329 2010-01-06  Ian Lance Taylor  <iant@google.com>
1330
1331         PR 10980
1332         * options.cc (General_options::parse_section_start): New function.
1333         (General_options::section_start): New function.
1334         (General_options::General_options): Initialize all members.
1335         * options.h: Include <map>
1336         (class General_options): Add --section-start.  Add section_starts_
1337         member.
1338         * layout.cc (Layout::attach_allocated_section_to_segment): If
1339         --section-start was used, set the address of the segment.  Remove
1340         local sort_sections.
1341         (Layout::relaxation_loop_body): If the address of the load segment
1342         has been set by --section-start, don't use it.
1343         * output.h (Output_segment::update_flags_for_output_section): New
1344         function.
1345         * output.cc (Output_segment::add_output_section): Call
1346         update_flags_for_output_section.
1347
1348 2010-01-05  Ian Lance Taylor  <iant@google.com>
1349
1350         PR 10980
1351         * options.h (class General_options): Add --undefined-version.
1352         * script.cc (struct Version_expression): Add was_matched_by_symbol
1353         field.
1354         (Version_script_info::matched_symbol): New function.
1355         (Version_script_info::get_symbol_version_helper): Call
1356         matched_symbol.
1357         (Version_script_info::check_unmatched_names): New function.
1358         * script.h (class Version_script_info): Update declarations.
1359         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
1360
1361         * options.h (class General_options): Use DEFINE_bool_alias for
1362         allow_multiple_definition.
1363         * resolve.cc (Symbol_table::should_override): Don't test
1364         allow_multiple_definition.
1365
1366         PR 10980
1367         * options.h (class General_options): Add --cref.
1368         * main.cc (main): Print cref table if --cref.  Don't close mapfile
1369         until after printing cref table.
1370         * cref.cc: Include "symtab.h".
1371         (class Cref_inputs): Define Cref_table_compare and Cref_table.
1372         (Cref_table_compare::operator()): New function.
1373         (Cref_inputs::gather_cref): New function.
1374         (filecol): New static const.
1375         (Cref_inputs::print_cref): New function.
1376         (Cref::print_cref): New function.
1377         * cref.h: Include <cstdio>.
1378         (class Cref): Update declarations.
1379         * mapfile.h (Mapfile::file): New function.
1380         * object.h (class Object): Define Symbols.  Declare virtual
1381         do_get_global_symbols.
1382         (Object::get_global_symbols): New function.
1383         * object.cc (Input_objects::add_object): Pass object to cref_ if
1384         --cref.
1385         (Input_objects::archive_start): Likewise.
1386         (Input_objects::archive_stop): Likewise.
1387         (Input_objects::print_cref): New function.
1388         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
1389         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
1390         --cref.
1391         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
1392         function.
1393         * plugin.h (class Sized_pluginobj): Update declarations.
1394
1395 2010-01-05  Ian Lance Taylor  <iant@google.com>
1396
1397         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
1398         to is_default_version.  Rename insdef to insdefault.
1399         (Symbol_table::add_from_relobj): Rename def to is_default_version
1400         and local to is_forced_local.
1401         (Symbol_table::add_from_pluginobj): Likewise.
1402         (Symbol_table::add_from_dynobj): Likewise.
1403         (Symbol_table::define_special_symbol): Rename insdef to
1404         insdefault.
1405
1406 2010-01-04  Ian Lance Taylor  <iant@google.com>
1407
1408         PR 10980
1409         * options.h (class General_options): Add
1410         --allow-multiple-definition and -z muldefs.
1411         * resolve.cc (Symbol_table::should_override): Don't warn about a
1412         multiple symbol definition if --allow-multiple-definition or -z
1413         muldefs.
1414
1415         PR 10980
1416         * options.h (class General_options): Add --add-needed and
1417         --copy-dt-needed-entries.  Tweak --as-needed help entry.
1418         * object.cc (Input_objects::check_dynamic_dependencies): Give an
1419         error if --copy-dt-needed-entries aka --add-needed is used and
1420         would cause a change in behaviour.
1421
1422         PR 10980
1423         * options.h (class General_options): Add -G as a short version of
1424         --shared.  Add no-op options -assert, -g, and -i.
1425
1426 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
1427
1428         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
1429         check for .text or .gnu.linkonce.t sections.
1430         * icf.cc (Icf::find_identical_sections): Ditto.
1431         Change the detection for mangled function name within the section
1432         name.
1433         * icf.h (is_section_foldable_candidate): New function.
1434
1435 2009-12-30  Ian Lance Taylor  <iant@google.com>
1436
1437         PR 10980
1438         * options.h (class General_options): Permit two dashes with
1439         --retain-symbols-file.
1440
1441 2009-12-30  Ian Lance Taylor  <iant@google.com>
1442
1443         PR 10979
1444         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
1445         don't put the file header and segment headers in the text
1446         segment.
1447
1448         PR 10979
1449         * common.cc (Sort_commons::operator()): Stabilize sort when both
1450         entries are NULL.
1451         (Symbol_table::do_allocate_commons_list): When allocating common
1452         symbols, skip a symbol which is no longer common.
1453         * symtab.h (Symbol::is_common): Test whether the symbol comes from
1454         an object before checking its type.
1455         * testsuite/common_test_2.c: New file.
1456         * testsuite/common_test_3.c: New file.
1457         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
1458         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
1459         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
1460         (common_test_2_pic.o, common_test_2.so): New targets.
1461         (common_test_3_pic.o, common_test_3.so): New targets.
1462         * testsuite/Makefile.in: Rebuild.
1463
1464         PR 10979
1465         * script.cc (read_input_script): If we see a new SECTIONS clause,
1466         and we have added an input section, give an error.
1467         * layout.h (class Layout): Add have_added_input_section function.
1468         Add have_added_input_section_ field.
1469         * layout.cc (Layout::Layout): Initialize
1470         have_added_input_section_.
1471         (Layout::layout): Set have_added_input_section_.
1472         (Layout::layout_eh_frame): Likewise.
1473
1474 2009-12-30  Ian Lance Taylor  <iant@google.com>
1475
1476         PR 10931
1477         * options.h (class General_options): Add --sort-common option.
1478         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
1479         * common.cc (Sort_common): Add sort_order parameter to
1480         constructor.  Add sort_order_ field.
1481         (Sort_commons::operator): Check sort_order_.
1482         (Symbol_table::allocate_commons): Determine the sort order.
1483         (Symbol_table::do_allocate_commons): Add sort_order parameter.
1484         Change all callers.
1485         (Symbol_table::do_allocate_commons_list): Likewise.
1486
1487 2009-12-30  Ian Lance Taylor  <iant@google.com>
1488
1489         PR 10916
1490         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
1491         symbols from this object, don't change the visibility of an
1492         undefined symbol.
1493         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
1494
1495 2009-12-30  Ian Lance Taylor  <iant@google.com>
1496
1497         PR 10861
1498         * script.h (class Version_script_info): Define Language enum.
1499         Update declarations.  Define Glob, Exact, and Lookup types.  Add
1500         new fields globals_, locals_, and is_finalized_.
1501         * script.cc: Various formatting fixes.
1502         (class Parser_closure): Change language_stack_ from a vector of
1503         std::string to one of Version_script_info::Language.  Adjust all
1504         uses accordingly.
1505         (class Lazy_demangler): Remove.
1506         (struct Version_expression): Change language from std::string to
1507         Version_script_info::Language.
1508         (Version_script_info::Version_script_info): New function.
1509         (Version_script_info::~Version_script_info): Don't call clear.
1510         (Version_script_info::finalize): New function.
1511         (Version_script_info::build_lookup_tables): New function.
1512         (Version_script_info::build_expression_list_lookup): New
1513         function.
1514         (Version_script_info::get_symbol_version_helper): Rewrite to use
1515         lookup tables.
1516         (Version_script_info::print_expression_list): Adjust to use
1517         Version_script_info::Language.
1518         (script_push_lex_into_version_mode): Check that the version script
1519         has not been finalized.
1520         (version_script_push_lang): Change language string to
1521         Version_script_info::Language.
1522         * options.cc (Command_line::version_script): New function.
1523         * options.h (class General_options): Add finalize_dynamic_list
1524         function.  Change version_script from declaration to definition.
1525         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
1526         * testsuite/version_script.map: Remove duplicate def of foo.
1527         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
1528         version_script.map.
1529         * testsuite/Makefile.in: Rebuild.
1530
1531 2009-12-30  Ian Lance Taylor  <iant@google.com>
1532
1533         PR 10843
1534         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
1535         if the input symbol index is 0, make the output symbol index 0.
1536
1537 2009-12-30  Ian Lance Taylor  <iant@google.com>
1538
1539         PR 10670
1540         * options.h (class General_options): Add -x/--discard-all.
1541         * object.cc (Sized_relobj::do_count_local_symbols): Handle
1542         --discard-all.  If the local symbol needs a dynamic entry, check
1543         that before handling --discard-locals.
1544
1545 2009-12-30  Ian Lance Taylor  <iant@google.com>
1546
1547         PR 10450
1548         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
1549         flags to PF_R.
1550         (Output_segment::add_output_section): Don't change the flags if
1551         the type is PT_TLS.
1552
1553         PR 10450
1554         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
1555         GNU hash table if they need a dynamic value.  Otherwise, don't add
1556         them if they are defined in a dynamic object or are forced local.
1557
1558 2009-12-29  Ian Lance Taylor  <iant@google.com>
1559
1560         PR 10450
1561         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
1562         .gnu.hash table for a 32-bit target.
1563
1564         PR 10450
1565         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
1566         regular and a dynamic object only needs a dynamic symbol table
1567         entry if it is externally visible.
1568
1569         PR 10450
1570         * i386.cc (class Target_i386): Initialize global_offset_table_ in
1571         constructor.  Add global_offset_table_ field.
1572         (Target_i386::got_section): Set global_offset_table_.
1573         (Target_i386::do_finalize_sections): Set global_offset_table_
1574         size.
1575         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
1576         in constructor.  Add global_offset_table_ field.
1577         (Target_x86_64::got_section): Set global_offset_table_.
1578         (Target_x86_64::do_finalize_sections): Set global_offset_table_
1579         size.
1580
1581         * layout.cc (Layout::Layout): Initialize increase_relro_.
1582         (Layout::get_output_section): Add is_relro, is_last_relro, and
1583         is_first_non_relro parameters.  Change all callers.
1584         (Layout::choose_output_section): Likewise.
1585         (Layout::add_output_section_data): Likewise.
1586         (Layout::make_output_section): Likewise.
1587         (Layout::set_segment_offsets): Clear increase_relro when using a
1588         linker script.
1589         * layout.h (class Layout): Add increase_relro method.  Add
1590         increase_relro_ field.  Update declarations.
1591         * output.cc (Output_section::Output_section): Initialize
1592         is_last_relro_ and is_first_non_relro_.
1593         (Output_segment::add_output_section): Group relro sections is
1594         do_sort is true.  Handle is_last_relro and is_first_non_relro.
1595         (Output_segment::maximum_alignment): Remove relro handling.
1596         (Output_segment::set_section_addresses): Add increase_relro
1597         parameter.  Change all callers.  Add initial alignment to align
1598         relro sections on separate page.  Remove old relro handling.
1599         (Output_segment::set_section_list_addresses): Remove in_relro
1600         parameter.  Change all callers.
1601         (Output_segment::set_offset): Add increase parameter.  Change all
1602         callers.  Remove old relro handling.
1603         * output.h (class Output_section): Add new methods: is_last_relro,
1604         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
1605         Add is_last_relro_ and is_first_non_relro_ fields.
1606         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
1607         Create separate .got.plt section.  Call increase_relro.
1608         * x86_64.cc (Target_x86_64::got_section): Likewise.
1609         * testsuite/relro_script_test.t: Add .got.plt.
1610
1611         PR 10450
1612         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
1613         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
1614         (Layout::finalize): Call set_dynamic_symbol_size.
1615         (Layout::set_dynamic_symbol_size): New function.
1616         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
1617         set_dynamic_symbol_size.
1618
1619         PR 10450
1620         * output.h (class Output_section): Add is_entsize_zero_ field.
1621         * output.cc (Output_section::Output_section): Initialize
1622         is_entsize_zero_.
1623         (Output_section::set_entsize): If two different entsizes are
1624         requested, force it to zero.
1625         (Output_section::add_input_section): Set flags for .debug_str
1626         before updating section flags.  Set entsize.
1627         (Output_section::update_flags_for_input_section): Set SHF_MERGE
1628         and SHF_STRING if all input sections have those flags.
1629
1630 2009-12-29   Rafael Espindola  <espindola@google.com>
1631
1632         * main.cc (main): Fix the sys time reporting.
1633         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
1634         reporting.
1635
1636 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
1637
1638         * options.cc (General_options::parse_version): Allow -v to exit
1639         without an error if there is nothing to link.
1640
1641 2009-12-29  Ian Lance Taylor  <iant@google.com>
1642
1643         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
1644         using a version of gcc before 4.1.
1645         * configure: Rebuild.
1646
1647 2009-12-28  Chris Demetriou  <cgd@google.com>
1648
1649         * attributes.cc (Output_attributes_section_data::do_write): Use
1650         std::vector::front rather than std::vector::data.
1651
1652 2009-12-28  Ian Lance Taylor  <iant@google.com>
1653
1654         * symtab.h (class Symbol_table): Add enum Defined.
1655         * resolve.cc (Symbol_table::should_override): Add defined
1656         parameter.  Change all callers.  Test whether object is NULL
1657         before calling a method on it.
1658         (Symbol_table::report_resolve_problem): Add defined parameter.
1659         Change all callers.
1660         (Symbol_table::should_override_with_special): Likewise.
1661         * symtab.cc (Symbol_table::define_in_output_data): Add defined
1662         parameter.  Change all callers.
1663         (Symbol_table::do_define_in_output_data): Likewise.
1664         (Symbol_table::define_in_output_segment): Likewise.
1665         (Symbol_table::do_define_in_output_segment): Likewise.
1666         (Symbol_table::define_as_constant): Likewise.
1667         (Symbol_table::do_define_as_constant): Likewise.
1668         * script.h (class Symbol_assignment): Add is_defsym parameter to
1669         constructor; change all callers.
1670         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
1671         parameter.  Change all callers.  Add is_defsym_ field.
1672         (class Parser_closure): Add parsing_defsym parameter to
1673         constructor; change all callers.  Add parsing_defsym accessor
1674         function.  Add parsing_defsym_ field.
1675
1676 2009-12-28  Ian Lance Taylor  <iant@google.com>
1677
1678         * gold.cc (queue_middle_tasks): Fix formatting.
1679         * object.cc (Relobj::is_section_name_included): Likewise.
1680
1681 2009-12-23  Ian Lance Taylor  <iant@google.com>
1682
1683         * i386.cc (Target_i386::do_calls_non_split): Recognize
1684         -fsplit-stack prologue for a function with a static chain.
1685         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
1686         -fsplit-stack prologue when using %r11.
1687
1688 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
1689
1690         * options.cc (General_options::parse_version): Make -v continue and do
1691         the link like GNU ld does.
1692
1693 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
1694
1695         * Makefile.am (CCFILES): Add timer.cc.
1696         (HFILES): Add timer.h.
1697         * configure.ac: Check for sysconf and times.
1698         * main.cc: include timer.h.
1699         (main): Use Timer instead of get_run_time.
1700         * timer.cc: New.
1701         * timer.h: New.
1702         * workqueue.cc: include timer.h.
1703         (Workqueue::find_and_run_task):
1704         Report user, sys and wall time.
1705         * Makefile.in: Regenerate.
1706         * config.in: Regenerate.
1707         * configure: Regenerate.
1708
1709 2009-12-16  Doug Kwan  <dougkwan@google.com>
1710
1711         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
1712         sections.
1713         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
1714         relaxed input sections.
1715         * output.cc (Output_section::find_relaxed_input_section): Change
1716         return type to Output_relaxed_input_section pointer.  Adjust code
1717         for new type of relaxed_input_section_map_.
1718         * output.h (Output_section::find_relaxed_input_section): Change
1719         return type to Output_relaxed_input_section pointer.
1720         (Output_section::Output_relaxed_input_section_by_input_section_map):
1721         New type.
1722         (Output_section::relaxed_input_section_map_): Change type to
1723         Output_section::Output_relaxed_input_section_by_input_section_map.
1724         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
1725         input section.
1726
1727 2009-12-15  Ian Lance Taylor  <iant@google.com>
1728
1729         * layout.cc (Layout::create_shstrtab): Only write out after input
1730         sections if we are compressing debug sections.
1731
1732 2009-12-15  Ian Lance Taylor  <iant@google.com>
1733
1734         * archive.cc (Archive::add_symbols): Only look up a symbol without
1735         a version if there is, in fact, a version.
1736
1737 2009-12-14  Ian Lance Taylor  <iant@google.com>
1738
1739         Revert -Wshadow changes, all changes from:
1740         2009-12-11  Doug Kwan  <dougkwan@google.com>
1741         2009-12-11  Nick Clifton  <nickc@redhat.com>
1742         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
1743
1744 2009-12-11  Doug Kwan  <dougkwan@google.com>
1745
1746         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
1747         due to -Wshadow.
1748         * attributes.cc (Object_attribute::size): Ditto.
1749         (Attributes_section_data::size): Ditto.
1750         (Attributes_section_data::Attributes_section_data): Ditto.
1751         (Output_attributes_section_data::do_write): Ditto.
1752         * attributes.h (Object_attribute::set_type): Ditto.
1753         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
1754
1755 2009-12-11  Nick Clifton  <nickc@redhat.com>
1756
1757         * archive.cc: Fix shadowed variable warnings.
1758         * arm.cc: Likewise.
1759         * compressed_output.cc: Likewise.
1760         * compressed_output.h: Likewise.
1761         * configure: Likewise.
1762         * dwarf_reader.cc: Likewise.
1763         * dynobj.cc: Likewise.
1764         * dynobj.h: Likewise.
1765         * ehframe.cc: Likewise.
1766         * ehframe.h: Likewise.
1767         * errors.cc: Likewise.
1768         * expression.cc: Likewise.
1769         * fileread.cc: Likewise.
1770         * fileread.h: Likewise.
1771         * freebsd.h: Likewise.
1772         * i386.cc: Likewise.
1773         * icf.cc: Likewise.
1774         * incremental.h: Likewise.
1775         * layout.cc: Likewise.
1776         * layout.h: Likewise.
1777         * mapfile.cc: Likewise.
1778         * merge.cc: Likewise.
1779         * merge.h: Likewise.
1780         * object.cc: Likewise.
1781         * object.h: Likewise.
1782         * options.h: Likewise.
1783         * output.cc: Likewise.
1784         * output.h: Likewise.
1785         * parameters.cc: Likewise.
1786         * plugin.cc: Likewise.
1787         * powerpc.cc: Likewise.
1788         * reduced_debug_output.cc: Likewise.
1789         * reduced_debug_output.h: Likewise.
1790         * reloc.cc: Likewise.
1791         * reloc.h: Likewise.
1792         * resolve.cc: Likewise.
1793         * script-sections.cc: Likewise.
1794         * script.cc: Likewise.
1795         * script.h: Likewise.
1796         * sparc.cc: Likewise.
1797         * symtab.cc: Likewise.
1798         * symtab.h: Likewise.
1799         * target-select.cc: Likewise.
1800         * target-select.h: Likewise.
1801         * token.h: Likewise.
1802         * workqueue.cc: Likewise.
1803         * workqueue.h: Likewise.
1804         * x86_64.cc: Likewise.
1805
1806 2009-12-10  Doug Kwan  <dougkwan@google.com>
1807
1808         * arm.cc (attributes.h): New include.
1809         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
1810         (Arm_relobj::~Arm_relobj): Delete object pointed by
1811         attributes_section_data_.
1812         (Arm_relobj::attributes_section_data): New method definition.
1813         (Arm_relobj::attributes_section_data_): New data member declaration.
1814         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
1815         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
1816         attributes_section_data_.
1817         (Arm_dynobj::attributes_section_data): New method definition.
1818         (Arm_dynobj::attributes_section_data_): New data member declaration.
1819         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
1820         initialization value of may_use_blx_ to false.
1821         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
1822         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
1823         object attributes to compute results instead of hard-coding.
1824         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
1825         Target_arm::get_secondary_compatible_arch,
1826         Target_arm::set_secondary_compatible_arch
1827         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
1828         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
1829         New method declarations.
1830         (Target_arm::get_aeabi_object_attribute): New method definition.
1831         (Target_arm::attributes_section_data_): New data member declaration.
1832         (read_arm_attributes_section): New template definition.
1833         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
1834         (Arm_dynobj::do_read_symbols): Ditto.
1835         (Target_arm::do_finalize_sections): Merge attributes sections from
1836         input.  Check for BLX use after attributes section merging.
1837         Fix __exidx_start and __exidx_end visibility.  Create an
1838         .ARM.attributes section if necessary.
1839         (Target_arm::get_secondary_compatible_arch,
1840         Target_arm::set_secondary_compatible_arch,
1841         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
1842         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
1843         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order): 
1844         New method definitions.
1845
1846 2009-12-09  Ian Lance Taylor  <iant@google.com>
1847
1848         * plugin.cc (Plugin::load): Don't cast from void* to a function
1849         pointer.
1850
1851 2009-12-09  Ian Lance Taylor  <iant@google.com>
1852
1853         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
1854         information fields.
1855
1856 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
1857
1858         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
1859         Replace two_file_shared_1.so with two_file_shared_2.so.
1860         * testsuite/Makefile.in: Regenerated.
1861
1862 2009-12-08  Doug Kwan  <dougkwan@google.com>
1863
1864         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
1865         (HFILES): Add attributes.h and int_encoding.h.
1866         * Makefile.in: Regenerate.
1867         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
1868         function definitions to int_encoding.cc
1869         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
1870         prototypes to int_encoding.h
1871         * reduced_debug_output.cc (int_encoding.h): New include.
1872         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
1873         function definitions to int_encoding.cc
1874         (insert_into_vector, read_from_pointer): Move template definitions to
1875         int_encoding.h
1876         * attributes.cc: New file.
1877         * attributes.h: New file.
1878         * int_encoding.cc: New file.
1879         * int_encoding.h: New file.
1880
1881 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
1882
1883         PR gold/11055
1884         * incremental-dump.cc (dump_incremental_inputs): New.
1885         (main): Use dump_incremental_inputs.
1886
1887 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
1888
1889         PR gold/10893
1890         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
1891         checking elfcpp::STT_FUNC.
1892         (Target_i386::Relocate::relocate): Likewise.
1893         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
1894
1895         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
1896         symbols from shared libraries into normal FUNC symbols.
1897
1898         * symtab.h (Symbol): Add is_func and use it.
1899
1900 2009-12-05  Doug Kwan  <dougkwan@google.com>
1901
1902         * arm.cc (Target_arm::arm_info): Initialize new fields
1903         attributes_section and attributes_vendor.
1904         * i386.cc (Target_i386::i386_info): Same.
1905         * object.cc (Sized_relobj::do_layout): Skip attribute section.
1906         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
1907         fields attributes_section and attributes_vendor.
1908         * sparc.cc (Target_sparc::sparc_info): Same.
1909         * target.h (Target::attributes_section, Target::attributes_vendor,
1910         Target::is_attributes_section, Target::attribute_arg_type,
1911         Target::attributes_order): New method definitions.
1912         (Target::Target_info::attributes_section,
1913         Target::Target_info::attributes_vendor): New fields.
1914         (Target::do_attribute_arg_type, Target::do_attributes_order): New
1915         virtual method definitions.
1916         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
1917         attributes_section and attributes_vendor.
1918         * testsuite/testfile.cc (Target_test::test_target_info): Same.
1919
1920 2009-12-05  Doug Kwan  <dougkwan@google.com>
1921
1922         * arm.cc: Update comments about interworking and stub generation.
1923         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
1924         considered as non-PIC.
1925         (Arm_relocate_functions::base_abs): Fix formatting.
1926         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
1927         of function to use GOT entry address instead of offset.
1928         (Target_arm::Scan::global): Issue an error if a symbol would need a
1929         PLT does not get one because it is untyped.  Remove code to create
1930         dynamic symbols for relative branches.
1931         (Target_arm::Relocate::relocate: Use 0 instead of false since function
1932         takes unsigned integer instead of boolean.
1933
1934 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
1935
1936         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
1937         (two_file_test_LDADD): Likewise.
1938         (common_test_1_LDADD): Likewise.
1939         (exception_test_LDADD) Likewise.
1940         (weak_test_LDADD): Likewise.
1941         (many_sections_test_LDADD): Likewise.
1942         (initpri1_LDADD): Likewise.
1943         (script_test_1_LDADD): Likewise.
1944         (script_test_2_LDADD): Likewise.
1945         (justsyms_LDADD): Likewise.
1946         (binary_test_LDADD): Likewise.
1947         (large_LDADD): Likewise.
1948         * testsuite/Makefile.in: Regenerated.
1949
1950 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
1951
1952         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
1953         (Symbol_table::override_with_special): Likewise.
1954         (Symbol_table::add_from_object): Likewise.
1955
1956 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
1957
1958         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
1959         Don't set the data_offset twice.
1960
1961 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
1962
1963         * testsuite/Makefile.in: Regenerate.
1964
1965 2009-12-03  Doug Kwan  <dougkwan@google.com>
1966
1967         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
1968         (Target_arm::do_finalize_sections): Add parameter for symbol table
1969         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
1970         * i386.cc (Target_i386::do_finalize_sections): Add an additional
1971         parameter for symbol table pointer.
1972         * layout.cc (Layout::finalize): Call Target::finalize_sections with
1973         an additional parameter for a pointer to symbol table.
1974         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
1975         parameter for a symbol table pointer.
1976         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
1977         * target.h (Target::finalize_sections, Target::do_finalize_sections):
1978         Ditto.
1979         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
1980         parameter for a symbol table pointer.
1981
1982 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
1983
1984         * incremental.cc (Incremental_inputs_header)
1985         (Incremental_inputs_header_write, Incremental_inputs_entry)
1986         (Incremental_inputs_entry_write): Move ...
1987         * incremental.h (Incremental_inputs_header)
1988         (Incremental_inputs_header_write, Incremental_inputs_entry)
1989         (Incremental_inputs_entry_write): here.
1990
1991 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
1992
1993         * incremental.cc (make_sized_incremental_binary): Set the target.
1994         Error if it is incompatible.
1995         * output.h (Output_file): Add filename method.
1996
1997 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
1998
1999         * incremental.cc (Incremental_inputs_entry): Remove unused argument
2000         from the get_* methods.
2001
2002 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
2003
2004         * incremental-dump.cc (main): Check that the offeset of a script is 0.
2005         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
2006         Write 0 for the data_offset of scripts.
2007
2008 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
2009
2010         * testsuite/Makefile.am: Add the incremental_test.sh test.
2011         * testsuite/incremental_test.sh: New.
2012         * testsuite/incremental_test_1.c: New.
2013         * testsuite/incremental_test_2.c: New.
2014
2015 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
2016
2017        * incremental-dump.cc (main): Fix typos.
2018
2019 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
2020
2021         PR gold/11025
2022         * incremental-dump.cc (main): Use llu to print 64 bit values.
2023
2024 2009-11-26  Per Ã˜yvind Karlsen <peroyvind@mandriva.org>
2025             H.J. Lu  <hongjiu.lu@intel.com>
2026
2027         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
2028         $(LIBDL).
2029         (incremental_dump_LDADD): Likewise.
2030         * Makefile.in: Regenerated.
2031
2032 2009-11-25  Doug Kwan  <dougkwan@google.com>
2033         
2034         Revert:
2035
2036         2009-11-25  Doug Kwan  <dougkwan@google.com>
2037
2038                 * arm.cc (Target_arm::Target_arm): Move method definition
2039                 outside of class definition.  Add code to handle
2040                 --target1-rel, --target1-abs and --target2= options.
2041                 (Target_arm::get_reloc_reloc_type): Change method to be
2042                 non-static and const.
2043                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
2044                 New data member declaration.
2045                 (Target_arm::Scan::local, Target_arm::Scan::global,
2046                 Target_arm::Relocate::relocate,
2047                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2048                 Adjust call to Target_arm::get_real_reloc_type.
2049                 (Target_arm::get_real_reloc_type): Use command line options
2050                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
2051                 * options.h (--target1-rel, --target1-abs, --target2): New
2052                 ARM-only options.
2053
2054 2009-11-25  Doug Kwan  <dougkwan@google.com>
2055
2056         * arm.cc (Target_arm::Target_arm): Move method definition outside of
2057         class definition.  Add code to handle --target1-rel, --target1-abs
2058         and --target2= options.
2059         (Target_arm::get_reloc_reloc_type): Change method to be non-static
2060         and const.
2061         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
2062         member declaration.
2063         (Target_arm::Scan::local, Target_arm::Scan::global,
2064         Target_arm::Relocate::relocate,
2065         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
2066         call to Target_arm::get_real_reloc_type.
2067         (Target_arm::get_real_reloc_type): Use command line options to
2068         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
2069         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
2070         options.
2071
2072 2009-11-25  Doug Kwan  <dougkwan@google.com>
2073
2074         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
2075         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
2076         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
2077         formatting.
2078         (Arm_relocate_functions::thm_call): Replace body with a call to
2079         Arm_relocate_functions::thumb_branch_common.
2080         (Arm_relocate_functions::thm_jump24,
2081         Arm_relocate_functions::thm_xpc22): New method definitions.
2082         (Arm_relocate_functions::thumb_branch_common): New method definition.
2083         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
2084         operator.
2085         (Target_arm::Relocate::relocate): Adjust call to thm_call.
2086         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
2087
2088 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
2089
2090         * Makefile.am: Build incremental-dump
2091         * Makefile.in: Regenerate.
2092         * incremental-dump.cc: New.
2093         * incremental.cc (Incremental_inputs_header_data,
2094         Incremental_inputs_entry_data): Move to incremental.h
2095         * incremental.h: (Incremental_inputs_header_data,
2096         Incremental_inputs_entry_data): Move from incremental.cc
2097
2098 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
2099
2100         * incremental.cc (Incremental_inputs_header,
2101         Incremental_inputs_header_write, Incremental_inputs_entry,
2102         Incremental_inputs_entry_write): Add a typedef with the data type.
2103
2104 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
2105
2106         * incremental.cc (Incremental_inputs_header,
2107         Incremental_inputs_header_write, Incremental_inputs_entry,
2108         Incremental_inputs_entry_write): Update comment about which
2109         type has the filed descriptions.
2110
2111 2009-11-15  Doug Kwan  <dougkwan@google.com>
2112
2113         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
2114         (Arm_relocate_functions::arm_branch_common): Change method defintion
2115         in class definition to a method declaration and update list of formal
2116         parameters.
2117         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
2118         Arm_relocation_functions::jump24): Adjust call to
2119         Arm_relocate_functions::arm_branch_common.  Update list of formal
2120         parameters.
2121         (Arm_relocate_functions::xpc25): New method definition.
2122         (Arm_relocate_functions::arm_branch_common): Move method defintion
2123         out from class definition.  Use stubs for mode-switching and extending
2124         branch ranges.
2125         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
2126         specially.  Change code to enable use of stubs in ARM branches.
2127
2128 2009-11-10  Doug Kwan  <dougkwan@google.com>
2129
2130         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
2131         in method declaration.
2132         (Target_arm::relocate_stub): New method declaration.
2133         (Target_arm::default_target): Change to return a pointer instead of
2134         a const reference.
2135         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
2136         Target_arm::default_target.
2137         (Arm_Relobj::do_relocate_sections): Remove options paramater in
2138         method definition.
2139         (Target_arm::relocate_section): Adjust view.
2140         (Target_arm::relocate_stub): New method definition.
2141
2142 2009-11-10  Doug Kwan  <dougkwan@google.com>
2143
2144         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
2145         a format warning.
2146         * incremental.cc (open_incremental_binary): Initialized local
2147         variables to avoid warnings.
2148         * object.cc (make_elf_object): Ditto.
2149         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
2150         a format warning.
2151  
2152 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
2153
2154         PR gold/10930
2155         * testsuite/plugin_test.c: Include "config.h".
2156
2157 2009-11-09  Doug Kwan  <dougkwan@google.com>
2158
2159         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
2160         (arm_symbol_value): Remove.
2161         (Arm_relocate_functions::arm_branch_common,
2162         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
2163         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
2164         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
2165         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
2166         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
2167         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
2168         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
2169         Arm_relocate_functions::thm_mobw_abs_nc,
2170         Arm_relocate_functions::thm_mov_abs,
2171         Arm_relocate_functions::movw_prel_nc,
2172         Arm_relocate_functions::thm_movt_abs,
2173         Arm_relocate_functions::movt_prel,
2174         Arm_relocate_functions::thm_movw_prel_nc,
2175         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
2176         (Target_arm::Relocate::relocate): Only decompose address into two
2177         parts if relocation type uses the thumb-bit and pass the actual
2178         bit instead of a flag indicating that the thumb-bit is used.  Adjust
2179         calls to methods in Arm_relocate_functions for this change.
2180
2181 2009-11-08  Ian Lance Taylor  <iant@google.com>
2182
2183         PR 10925
2184         * reloc.cc: Instantiate
2185         Sized_relobj::initialize_input_to_output_maps and
2186         Sized_relobj:free_input_to_output_maps.
2187
2188 2009-11-06  Ian Lance Taylor  <iant@google.com>
2189
2190         PR 10876
2191         * defstd.cc (in_segment): Set only_if_ref true for "end".
2192
2193 2009-11-06  Doug Kwan  <dougkwan@google.com>
2194
2195         * arm.cc (class Reloc_stub): Correct a comment.
2196         (Target_arm::Target_arm): Initialize arm_input_section_map_.
2197         (Target_arm::scan_section_for_stubs): New method declaration.
2198         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
2199         Change methods from private to protected.
2200         (Target_arm::do_may_relax): New method definition.
2201         (Target_arm::do_relax, Target_arm::group_sections,
2202         Target_arm::scan_reloc_for_stub,
2203         Target_arm::scan_reloc_section_for_stubs): New method declarations.
2204         (Target_arm::arm_input_section_map_): New data member declaration.
2205         (Target_arm::scan_reloc_for_stub,
2206         Target_arm::scan_reloc_section_for_stubs,
2207         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
2208         Target_arm::do_relax): New method definitions.
2209
2210 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
2211
2212         * configure.ac: Check for (struct stat)::st_mtim
2213         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
2214         * config.in: Regenerate.
2215         * configure: Regenerate.
2216
2217 2009-11-05  Ian Lance Taylor  <iant@google.com>
2218
2219         PR 10910
2220         * output.cc (Output_segment::add_output_section): Add missing
2221         return statement.
2222
2223 2009-11-04  Ian Lance Taylor  <iant@google.com>
2224
2225         PR 10880
2226         * object.h (class Object): Add is_needed and set_is_needed
2227         methods.  Add is_needed_ field.  Make bool fields into bitfields.
2228         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
2229         defined in a dynamic object and referenced by a regular object,
2230         set is_needed for the dynamic object.
2231         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
2232         if the file is marked with as_needed and it is not needed.
2233
2234 2009-11-04  Ian Lance Taylor  <iant@google.com>
2235
2236         PR 10887
2237         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
2238         tags if data is discarded by linker script.
2239         * i386.cc (Target_i386::do_finalize_sections): Likewise.
2240         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
2241         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
2242         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
2243
2244 2009-11-04  Ian Lance Taylor  <iant@google.com>
2245
2246         * layout.cc (Layout::get_output_section): Add is_interp and
2247         is_dynamic_linker_section parameters.  Change all callers.
2248         (Layout::choose_output_section): Likewise.
2249         (Layout::make_output_section): Likewise.
2250         (Layout::add_output_section_data): Add is_dynamic_linker_section
2251         parameter.  Change all callers.
2252         * layout.h (class Layout): Update declarations.
2253         * output.h (class Output_section): Add is_interp, set_is_interp,
2254         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
2255         Add is_interp_, is_dynamic_linker_section_ fields.  Change
2256         generate_code_fills_at_write_ to a bitfield.
2257         * output.cc (Output_section::Output_sections): Initialize new
2258         fields.
2259         (Output_segment::add_output_section): Add do_sort parameter.
2260         Change all callers.
2261
2262 2009-11-03  Ian Lance Taylor  <iant@google.com>
2263
2264         PR 10860
2265         * options.h (class General_options): Add --warn-common.
2266         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
2267         merging two common symbols.
2268         (Symbol_table::should_override): Handle --warn-common when merging
2269         a common symbol with a defined symbol.  Use report_resolve_problem
2270         for multiple definitions.
2271         (Symbol_table::report_resolve_problem): New function.
2272         * symtab.h (class Symbol_table): Declare report_resolve_problem.
2273
2274 2009-11-03  Doug Kwan  <dougkwan@google.com>
2275
2276         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
2277         stub_factory_.
2278         (Target_arm::stub_factory): New method definition.
2279         (Target_arm::new_arm_input_section,
2280         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
2281         Target_arm::reloc_uses_thumb_bit): New method declarations.
2282         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map): 
2283         New type definitions.
2284         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
2285         member declarations.
2286         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
2287         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
2288         New method definitions.
2289
2290 2009-11-03  Ian Lance Taylor  <iant@google.com>
2291
2292         * options.h (class General_options): Add --warn_constructors.
2293
2294 2009-11-03  Ian Lance Taylor  <iant@google.com>
2295
2296         PR 10893
2297         * defstd.cc (in_section): Add entries for __rel_iplt_start,
2298         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
2299
2300 2009-11-03  Ian Lance Taylor  <iant@google.com>
2301
2302         PR 10895
2303         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
2304         --msgid-bugs-address.
2305         (install-pdf): New target.
2306         (install-data_yes): Look up one directory to find mkinstalldirs.
2307
2308 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
2309
2310         * po/Make-in (.po.gmo): Don't generate .gmo files in source
2311         tree.
2312
2313 2009-10-30  Doug Kwan  <dougkwan@google.com>
2314
2315         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
2316
2317 2009-10-30  Doug Kwan  <dougkwan@google.com>
2318
2319         * arm.cc (Stub_addend_reader): New struct template definition
2320         and partial specializations.
2321         (Stub_addend_reader::operator()): New method definition for a
2322         partially specialized template.
2323
2324 2009-10-30  Doug Kwan  <dougkwan@google.com>
2325
2326         * arm.cc (Arm_relobj::processor_specific_flags): New method
2327         definition.
2328         (Arm_relobj::do_read_symbols): New method declaration.
2329         (Arm_relobj::processor_specific_flags_): New data member declaration.
2330         (Arm_dynobj): New class definition.
2331         (Target_arm::do_finalize_sections): Add input_objects parameter.
2332         (Target_arm::do_adjust_elf_header): New method declaration.
2333         (Target_arm::are_eabi_versions_compatible,
2334         (Target_arm::merge_processor_specific_flags): New method declaration.
2335         (Target_arm::do_make_elf_object): New overloaded method definitions
2336         and declaration.
2337         (Arm_relobj::do_read_symbols): New method definition.
2338         (Arm_dynobj::do_read_symbols): Ditto.
2339         (Target_arm::do_finalize_sections): Add input_objects parameters.
2340         Merge processor-specific flags from all input objects.
2341         (Target_arm::are_eabi_versions_compatible,
2342         Target_arm::merge_processor_specific_flags,
2343         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
2344         New method definitions.
2345         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
2346         Input_objects pointer type parameter.
2347         * layout.cc (Layout::finalize): Pass input objects to target's.
2348         finalize_sections function.
2349         * output.cc (Output_file_header::do_sized_write): Set ELF file
2350         header's processor-specific flags.
2351         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
2352         Input_objects pointer type parameter.
2353         * sparc.cc (Target_sparc::do_finalize_sections): Same.
2354         * target.h (Input_objects): New forward class declaration.
2355         (Target::processor_specific_flags,
2356         Target::are_processor_specific_flags_sect): New method definitions.
2357         (Target::finalize_sections): Add input_objects parameter.
2358         (Target::Target): Initialize processor_specific_flags_ and
2359         are_processor_specific_flags_set_.
2360         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
2361         parameter.
2362         (Target::set_processor_specific_flags): New method definition.
2363         (Target::processor_specific_flags_,
2364         Target::are_processor_specific_flags_set_): New data member
2365         declarations.
2366         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
2367         Input_objects pointer type parameter.
2368
2369 2009-10-30  Doug Kwan  <dougkwan@google.com>
2370
2371         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
2372
2373 2009-10-28  Ian Lance Taylor  <iant@google.com>
2374
2375         * object.h (class Relobj): Drop options parameter from
2376         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
2377         do_scan_relocs, do_relocate.  Change all callers.
2378         (class Sized_relobj): Drop options parameters from
2379         do_gc_process_relocs, do_scan_relocs, do_relocate,
2380         do_relocate_sections, relocate_sections, emit_relocs_scan,
2381         emit_relocs_scan_reltype.  Change all callers.
2382         (struct Relocate_info): Remove options field and all references to
2383         it.
2384         * reloc.h (class Read_relocs): Remove options constructor
2385         parameter and options_ field.  Change all callers.
2386         (class Gc_process_relocs, class Scan_relocs): Likewise.
2387         (class Relocate_task): Likewise.
2388         * target-reloc.h (scan_relocs): Remove options parameter.  Change
2389         all callers.
2390         (scan_relocatable_relocs): Likewise.
2391         * target.h (class Sized_target): Remove options parameter from
2392         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
2393         all callers.
2394         * gc.h (gc_process_relocs): Remove options parameter.  Change all
2395         callers.
2396         * arm.cc: Update functions to remove options parameters.
2397         * i386.cc: Likewise.
2398         * powerpc.cc: Likewise.
2399         * sparc.cc: Likewise.
2400         * x86_64.cc: Likewise.
2401         * testsuite/testfile.cc: Likewise.
2402
2403 2009-10-28  Doug Kwan  <dougkwan@google.com>
2404
2405         * arm.cc (Arm_relobj): New class definition.
2406         (Arm_relobj::scan_sections_for_stubs, 
2407         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
2408         New method definitions.
2409
2410 2009-10-28  Cary Coutant  <ccoutant@google.com>
2411
2412         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
2413         (Plugin::cleanup_done_): New member.
2414         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
2415         (Plugin_manager::cleanup_done_): Remove.
2416         (Plugin_manager::add_input_file): Edit error message.
2417         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
2418         (Plugin_manager::cleanup): Remove use of cleanup_done_.
2419
2420 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
2421
2422         * fileread.cc: (File_read::View::~View): Use the new
2423         data_ownership_ filed.
2424         (File_read::~File_read): Dispose the new whole_file_view_.
2425         (File_read::open): Mmap the whole file if needed.
2426         (File_read::open): Use whole_file_view_ instead of contents_.
2427         (File_read::find_view): Use whole_file_view_ if applicable.
2428         (File_read::do_read): Use whole_file_view_ instead of contents_.
2429         (File_read::make_view): Use whole_file_view_ instead of contents_,
2430         update File_read::View::View call.
2431         (File_read::find_or_make_view): Update File_read::View::View
2432         call.
2433         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
2434         remove contents_
2435         (File_read::View::Data_ownership): New enum.
2436         (File_read::View::View): Replace bool mapped_ with Data_ownership
2437         argument.
2438         (File_read::View::mapped_): Remove (replaced by data_ownership_).
2439         (File_read::View::data_ownership_): New field.
2440         (File_read::contents_): Remove (replaced by whole_file_view_).
2441         (File_read::whole_file_view_): New field.
2442         * options.h (class General_options): Add --keep-files-mapped.
2443
2444 2009-10-27  Cary Coutant  <ccoutant@google.com>
2445
2446         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
2447         * testsuite/Makefile.am (plugin_test_5): New test case.
2448         * testsuite/Makefile.in: Regenerate.
2449
2450 2009-10-25  Doug Kwan  <dougkwan@google.com>
2451
2452         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
2453         from private to protected to allow access by child class.
2454         (Sized_relobj::do_relocate_sections): New method declaration.
2455         (Sized_relobj::relocate_sections): Virtualize.
2456         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from 
2457         Sized_relobj::relocate_sections.  Instantiate template explicitly
2458         for different target sizes and endianity.
2459
2460 2009-10-24  Doug Kwan  <dougkwan@google.com>
2461
2462         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
2463         (Arm_input_section::as_arm_input_section): New method.
2464         (Arm_output_section): New class definition.
2465         (Arm_output_section::create_stub_group,
2466         Arm_output_section::group_sections): New method definitions.
2467
2468 2009-10-22  Doug Kwan  <dougkwan@google.com>
2469
2470         * arm.cc (Arm_input_section): New class definition.
2471         (Arm_input_section::init, Arm_input_section:do_write,
2472         Arm_input_section::set_final_data_size,
2473         Arm_input_section::do_reset_address_and_file_offset): New method
2474         definitions.
2475
2476 2009-10-21  Doug Kwan  <dougkwan@google.com>
2477
2478         * arm.cc (Stub_table, Arm_input_section): New forward class
2479         declarations.
2480         (Stub_table): New class defintion.
2481         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
2482         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
2483         New method definition.
2484
2485 2009-10-21  Doug Kwan  <dougkwan@google.com>
2486
2487         * arm.cc: Update copyright comments.
2488         (Target_arm): New forward class template declaration.
2489         (Arm_address): New type.
2490         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
2491         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
2492         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
2493         constants.
2494         (Insn_template): Same.
2495         (DEF_STUBS): New macro.
2496         (Stub_type): New enum type.
2497         (Stub_template): New class definition.
2498         (Stub): Same.
2499         (Reloc_stub): Same.
2500         (Stub_factory): Same.
2501         (Target_arm::Target_arm): Initialize may_use_blx_ and
2502         should_force_pic_veneer_.
2503         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
2504         Target_arm::should_force_pic_veneer,
2505         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
2506         Target_arm::using_thumb_only, Target_arm:;default_target): New
2507         method defintions.
2508         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
2509         New data member declarations.
2510         (Insn_template::size, Insn_template::alignment): New method defintions.
2511         (Stub_template::Stub_template): New method definition.
2512         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
2513         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
2514         (Stub_factory::Stub_factory): New method definition.
2515         * gold.h (string_hash): New template.
2516         * output.h (Input_section_specifier::hash_value): Use
2517         gold::string_hash.
2518         (Input_section_specifier::string_hash): Remove.
2519         * stringpool.cc (Stringpool_template::string_hash): Use
2520         gold::string_hash.
2521
2522 2009-10-20  Doug Kwan  <dougkwan@google.com>
2523
2524         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
2525         symbols of relaxed input sections.
2526         * output.h (Output_section::find_relaxed_input_section): Make
2527         method public.
2528
2529 2009-10-16  Doug Kwan  <dougkwan@google.com>
2530
2531         * dynobj.cc (Versions::Versions): Initialize version_script_.
2532         Only insert base version symbol definition for a shared object
2533         if version script defines any version versions.
2534         (Versions::define_base_version): New method definition.
2535         (Versions::add_def): Check that base version is not needed.
2536         (Versions::add_need): Define base version lazily.
2537         * dynobj.h (Versions::define_base_version): New method declaration.
2538         (Versions::needs_base_version_): New data member declaration.
2539         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
2540         (check_DATA): Add no_version_test.stdout.
2541         (libno_version_test.so, no_version_test.o no_version_test.stdout):
2542         New make rules.
2543         * testsuite/Makefile.in: Regenerate.
2544         * testsuite/no_version_test.c: New file.
2545         * testsuite/no_version_test.sh: Ditto.
2546
2547 2009-10-16  Doug Kwan  <dougkwan@google.com>
2548
2549         * expression.cc (class Segment_start_expression): New class definition.
2550         (Segment_start_expression::value): New method definition.
2551         (script_exp_function_segment_start): Return a new
2552         Segment_start_expression.
2553         * gold/script-c.h (script_saw_segment_start_expression): New function
2554         prototype.
2555         * script-sections.cc (Script_sections::Script_sections): Initialize
2556         SAW_SEGMENT_START_EXPRESSION_ to false.
2557         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
2558         and -Tbbs options to specify section addresses if given in
2559         command line and no SEGMENT_START expression is seen in a script.
2560         * script-sections.h (Script_sections::saw_segment_start_expression,
2561         Script_sections::set_saw_segment_start_expression): New method
2562         definition.
2563         (Script_sections::saw_segment_start_expression_): New data member
2564         declaration.
2565         * script.cc (script_saw_segment_start_expression): New function.
2566         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
2567         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
2568         script_test_7.sh and script_test_8.sh.
2569         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
2570         script_test_8.stdout.
2571         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
2572         (script_test_6, script_test_6.stdout, script_test_7,
2573         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
2574         * Makefile.in: Regenerate.
2575         * testsuite/script_test_6.sh: New file.
2576         * testsuite/script_test_6.t: Same.
2577         * testsuite/script_test_7.sh: Same.
2578         * testsuite/script_test_7.t: Same.
2579         * testsuite/script_test_8.sh: Same.
2580
2581 2009-10-16  Doug Kwan  <dougkwan@google.com>
2582
2583         * output.cc (Output_segment::set_section_list_address): Cast
2584         expressions to unsigned long long type to avoid format warnings.
2585
2586 2009-10-15  Ian Lance Taylor  <iant@google.com>
2587
2588         * script.cc (Script_options::add_symbol_assignment): Always add a
2589         dot assignment to script_sections_.
2590         * script-sections.cc (Script_sections::add_dot_assignment):
2591         Initialize if necessary.
2592
2593         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
2594         program headers with no load segment if there is a linker script.
2595
2596         * layout.cc (Layout::set_segment_offsets): Align the file offset
2597         to the segment aligment for -N or -n with no load segment.
2598         * output.cc (Output_segment::add_output_section): Don't crash if
2599         the first section is a TLS section.
2600         (Output_segment::set_section_list_addresses): Print an error
2601         message if the address moves backward in a linker script.
2602         * script-sections.cc
2603         (Output_section_element_input::set_section_addresses): Don't
2604         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
2605         (Orphan_output_section::set_section_addresses): Likewise.
2606
2607 2009-10-15  Doug Kwan  <dougkwan@google.com>
2608
2609         * layout.cc (Layout::finish_dynamic_section): Generate tags
2610         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
2611         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
2612         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
2613
2614 2009-10-14  Ian Lance Taylor  <iant@google.com>
2615
2616         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
2617         fields.
2618         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
2619         data_shdr fields of relinfo.
2620         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
2621         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
2622         R_386_TLS_LDO_32, adjust based on section flags.
2623         (Target_i386::Relocate::fix_up_ldo): Remove.
2624
2625 2009-10-13  Ian Lance Taylor  <iant@google.com>
2626
2627         Add support for -pie.
2628         * options.h (class General_options): Add -pie and
2629         --pic-executable.
2630         (General_options::output_is_position_independent): Test -pie.
2631         (General_options::output_is_executable): Return true if not shared
2632         and not relocatable.
2633         (General_options::output_is_pie): Remove.
2634         * options.cc (General_options::finalize): Reject incompatible uses
2635         of -pie.
2636         * gold.cc (queue_middle_tasks): A -pie link is not static.
2637         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
2638         * symtab.cc (Symbol::final_value_is_known): Return false if
2639         output_is_position_independent.
2640         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
2641         output_is_position_independent.
2642         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
2643         output_is_position_independent.
2644         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
2645         output_is_position_independent.
2646         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
2647         two_file_pie_test.
2648         (basic_pie_test.o, basic_pie_test): New targets.
2649         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
2650         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
2651         (two_file_pie_test): New target.
2652         * testsuite/Makefile.in: Rebuild.
2653         * README: Remove note saying that -pie is not supported.
2654
2655 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2656
2657         * options.h (class General_options): Add -init and -fini.
2658         * layout.cc (Layout::finish_dynamic_section): Emit
2659         given init and fini functions.
2660
2661 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
2662
2663         * gc.h (gc_process_relocs): Check if icf is enabled using new
2664         function.
2665         * gold.cc (queue_initial_tasks): Likewise.
2666         (queue_middle_tasks): Likewise.
2667         * object.cc (do_layout): Likewise.
2668         * symtab.cc (is_section_folded): Likewise.
2669         * main.cc (main): Likewise.
2670         * reloc.cc (Read_relocs::run): Likewise.
2671         (Sized_relobj::do_scan_relocs): Likewise.
2672         * icf.cc (is_function_ctor_or_dtor): New function.
2673         (Icf::find_identical_sections): Check if function is ctor or dtor when
2674         safe icf is chosen.
2675         * options.h (General_options::icf): Change option to be an enum.
2676         (Icf_status): New enum.
2677         (icf_enabled): New method.
2678         (icf_safe_folding): New method.
2679         (set_icf_status): New method.
2680         (icf_status_): New variable.
2681         * (options.cc) (General_options::finalize): Set icf_status_.
2682         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
2683         icf_test and icf_keep_unique_test to use the --icf enum flag.
2684         * testsuite/icf_safe_test.sh: New file.
2685         * testsuite/icf_safe_test.cc: New file. 
2686
2687 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
2688
2689         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
2690         includes to gc.h and icf.h.
2691         * arm.cc: Include gc.h.
2692         * gold.cc: Likewise.
2693         * i386.cc: Likewise.
2694         * powerpc.cc: Likewise.
2695         * sparc.cc: Likewise.
2696         * x86_64.cc: Likewise.
2697         * gc.h: Include icf.h.
2698
2699 2009-10-11  Ian Lance Taylor  <iant@google.com>
2700
2701         * plugin.cc: Include "gold.h" before other header files.
2702
2703 2009-10-10  Chris Demetriou  <cgd@google.com>
2704
2705         * options.h (Input_file_argument::Input_file_type): New enum.
2706         (Input_file_argument::is_lib_): Replace with...
2707         (Input_file_argument::type_): New member.
2708         (Input_file_argument::Input_file_argument): Take Input_file_type
2709         'type' rather than boolean 'is_lib' as second argument.
2710         (Input_file_argument::is_lib): Use type_.
2711         (Input_file_argument::is_searched_file): New function.
2712         (Input_file_argument::may_need_search): Handle is_searched_file.
2713         * options.cc (General_options::parse_library): Support -l:filename.
2714         (General_options::parse_just_symbols): Update for Input_file_argument
2715         changes.
2716         (Command_line::process): Likewise.
2717         * archive.cc (Archive::get_file_and_offset): Likewise.
2718         * plugin.cc (Plugin_manager::release_input_file): Likewise.
2719         * script.cc (read_script_file, script_add_file): Likewise.
2720         * fileread.cc (Input_file::Input_file): Likewise.
2721         (Input_file::will_search_for): Handle is_searched_file.
2722         (Input_file::open): Likewise.
2723         * readsyms.cc (Read_symbols::get_name): Likewise.
2724         * testsuite/Makefile.am (searched_file_test): New test.
2725         * testsuite/Makefile.in: Regenerate.
2726         * testsuite/searched_file_test.cc: New file.
2727         * testsuite/searched_file_test_lib.cc: New file.
2728
2729 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2730             Ian Lance Taylor  <iant@google.com>
2731
2732         * descriptor.cc: Include <cstdio> and "binary-io.h".
2733         (Descriptors::open): Open the files in binary mode always.
2734         * script.cc (Lex::get_token): Treat \r as whitespace.
2735
2736 2009-10-09  Ian Lance Taylor  <iant@google.com>
2737
2738         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
2739
2740 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2741             Ian Lance Taylor  <iant@google.com>
2742
2743         * configure.ac: Check for readv function also.
2744         * fileread.cc (readv): Define if not HAVE_READV.
2745         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
2746         does not exist.
2747         * config.in: Regenerate.
2748         * configure: Regenerate.
2749
2750 2009-10-09  Doug Kwan  <dougkwan@google.com>
2751
2752         * layout.cc (Layout::make_output_section): Call target hook to make
2753         ordinary output section.
2754         (Layout::finalize): Adjust parameter list of call the
2755         Target::may_relax().
2756         * layout.h (class Layout::section_list): New method.
2757         * merge.h (Output_merge_base::entsize): Change visibility to public.
2758         (Output_merge_base::is_string, Output_merge_base::do_is_string):
2759         New methods.
2760         (Output_merge_string::do_is_string): New method.
2761         * object.cc (Sized_relobj::do_setup): renamed from
2762         Sized_relobj::set_up.
2763         * object.h (Sized_relobj::adjust_shndx,
2764         Sized_relobj::initializ_input_to_output_maps,
2765         Sized_relobj::free_input_to_output_maps): Change visibilities to
2766         protected.
2767         (Sized_relobj::setup): Virtualize.
2768         (Sized_relobj::do_setup): New method declaration.
2769         (Sized_relobj::invalidate_section_offset,
2770         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
2771         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
2772         * options.cc (parse_int): New function.
2773         * options.h (parse_int): New declaration.
2774         (DEFINE_int): New macro.
2775         (stub_group_size): New option.
2776         * output.cc (Output_section::Output_section): Initialize memebers
2777         merge_section_map_, merge_section_by_properties_map_,
2778         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
2779         (Output_section::add_input_section): Handled deferred code-fill
2780         generation and remove an old comment.
2781         (Output_section::add_relaxed_input_section): New method definition.
2782         (Output_section::add_merge_input_section): Use merge section by
2783         properties map to speed to search.  Update merge section maps
2784         as appropriate.
2785         (Output_section::build_relaxation_map): New method definition.
2786         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
2787         Same.
2788         (Output_section::relax_input_section): Renamed to
2789         Output_section::convert_input_sections_to_relaxed_sections and change
2790         interface to take a vector of pointers to relaxed sections.
2791         (Output_section::find_merge_section,
2792         Output_section::find_relaxed_input_section): New method definitions.
2793         (Output_section::is_input_address_mapped,
2794         Output_section::output_offset, Output_section::output_address):
2795         Use output section data maps to speed up searching.
2796         (Output_section::find_starting_output_address): Add comments.
2797         (Output_section::do_write,
2798         Output_section::write_to_postprocessing_buffer): Do code-fill
2799         generation as appropriate.
2800         (Output_section::get_input_sections): Invalidate relaxed input section
2801         map.
2802         (Output_section::restore_states): Adjust type of checkpoint .
2803         Invalidate relaxed input section map.
2804         * output.h (Output_merge_base): New class declaration.
2805         (Input_section_specifier): New class defintion.
2806         (class Output_relaxed_input_section) Change base class to
2807         Output_section_data_build.
2808         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
2809         base class initializer.
2810         (Output_section::add_relaxed_input_section): New method declaration.
2811         (Output_section::Input_section): Change visibility to protected.
2812         (Output_section::Input_section::relobj,
2813         Output_section::Input_section::shndx): Handle relaxed input sections.
2814         Output_section::input_sections) Change visibility to protected.  Also
2815         define overload to return a non-const pointer.
2816         (Output_section::Merge_section_properties): New class defintion.
2817         (Output_section::Merge_section_by_properties_map,
2818         Output_section::Output_section_data_by_input_section_map,
2819         Output_section::Relaxation_map): New types.
2820         (Output_section::relax_input_section): Rename method to
2821         Output_section::convert_input_sections_to_relaxed_sections and change
2822         interface to take a vector of relaxed section pointers.
2823         (Output_section::find_merge_section,
2824         Output_section::find_relaxed_input_section,
2825         Output_section::build_relaxation_map,
2826         Output_section::convert_input_sections_in_list_to_relaxed_sections):
2827         New method declarations.
2828         (Output_section::merge_section_map_
2829         Output_section::merge_section_by_properties_map_,
2830         Output_section::relaxed_input_section_map_,
2831         Output_section::is_relaxed_input_section_map_valid_,
2832         Output_section::generate_code_fills_at_write_): New data members.
2833         * script-sections.cc
2834         (Output_section_element_input::set_section_addresses): Call
2835         current_data_size and addralign methods of relaxed input sections.
2836         (Orphan_output_section::set_section_addresses): Call current_data_size
2837         and addralign methods of relaxed input sections.
2838         * symtab.cc (Symbol_table::compute_final_value): Extract template
2839         from the body of Symbol_table::sized_finalize_symbol.
2840         (Symbol_table::sized_finalized_symbol): Call
2841         Symbol_table::compute_final_value.
2842         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
2843         (Symbol_table::compute_final_value): New templated method declaration.
2844         * target.cc (Target::do_make_output_section): New method defintion.
2845         * target.h (Target::make_output_section): New method declaration.
2846         (Target::relax): Add more parameters for input objects, symbol table
2847         and layout.  Adjust call to do_relax.
2848         (Target::do_make_output_section): New method declaration.
2849         (Target::do_relax): Add parameters for input objects, symbol table
2850         and layout.
2851
2852 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2853
2854         * pread.c: Include stdio.h.
2855
2856 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2857
2858         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
2859         defined.
2860
2861 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2862
2863         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2864         Change read_shndx type to unsigned int.
2865         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
2866         int.
2867         (Sized_dwarf_line_info::read_line_mappings): Likewise.
2868         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
2869         Change read_shndx type to unsigned int.
2870         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
2871         int.
2872         (Sized_dwarf_line_info::read_line_mappings): Likewise.
2873         * layout.cc (Layout::create_symtab_sections): Cast the result of
2874         local_symcount * symsize to off_t in the gold_assert.
2875
2876 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2877
2878         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
2879         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
2880         R_ARM_BASE_ABS.
2881         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
2882         (Arm_relocate_functions::thm_abs5): New function.
2883         (Arm_relocate_functions::abs12): New function.
2884         (Arm_relocate_functions::abs16): New function.
2885         (Arm_relocate_functions::base_abs): New function.
2886         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
2887         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
2888         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
2889         R_ARM_BASE_ABS.
2890         (Scan::global): Likewise.
2891         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
2892         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
2893         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
2894         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
2895         R_ARM_BASE_ABS.
2896
2897 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2898
2899         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
2900         (Arm_relocate_functions::movt_prel): New function.
2901         (Arm_relocate_functions::thm_movw_prel_nc): New function.
2902         (Arm_relocate_functions::thm_movt_prel): New function.
2903         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
2904         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
2905         (Scan::global, Relocate::relocate): Likewise.
2906         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
2907
2908 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
2909
2910         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
2911         Incremental_checker.
2912         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
2913         unsigned int.
2914         (class Incremental_inputs_header): New class.
2915         (Incremental_inputs_header_writer): Edit comment.
2916         (Incremental_inputs_entry): New class.
2917         (Incremental_inputs_entry_writer): Edit comment.
2918         (Sized_incremental_binary::do_find_incremental_inputs_section):
2919         Add *strtab_shndx parameter, fill it.
2920         (Sized_incremental_binary::do_check_inputs): New method.
2921         (Incremental_checker::can_incrementally_link_output_file): Use
2922         Sized_incremental_binary::check_inputs.
2923         (Incremental_inputs::report_command_line): Save command line in
2924         command_line_.
2925         * incremental.h:
2926         (Incremental_binary::find_incremental_inputs_section): New
2927         method.
2928         (Incremental_binary::do_find_incremental_inputs_section): Add
2929         strtab_shndx parameter.
2930         (Incremental_binary::do_check_inputs): New pure virtual method.
2931         (Sized_incremental_binary::do_check_inputs): Declare.
2932         (Incremental_checker::Incremental_checker): Add incremental_inputs
2933         parameter, use it to initialize incremental_inputs_.
2934         (Incremental_checker::incremental_inputs_): New field.
2935         (Incremental_checker::command_line): New method.
2936         (Incremental_checker::inputs): New method.
2937         (Incremental_checker::command_line_): New field.
2938
2939 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
2940
2941         * incremental.cc: Include <cstdarg> and "target-select.h".
2942         (vexplain_no_incremental): New function.
2943         (explain_no_incremental): New function.
2944         (Incremental_binary::error): New method.
2945         (Sized_incremental_binary::do_find_incremental_inputs_section): New
2946         method.
2947         (make_sized_incremental_binary): New function.
2948         (open_incremental_binary): New function.
2949         (can_incrementally_link_file): Add checks if output is ELF and has
2950         inputs section.
2951         * incremental.h: Include "elfcpp_file.h" and "output.h".
2952         (Incremental_binary): New class.
2953         (Sized_incremental_binary): New class.
2954         (open_incremental_binary): Declare.
2955         * object.cc (is_elf_object): Use
2956         elfcpp::Elf_recognizer::is_elf_file.
2957         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
2958         * output.h (Output_file::filesize): New method.
2959
2960 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2961
2962         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
2963         New function.
2964         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
2965         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
2966         function.
2967         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
2968         function.
2969         (Arm_relocate_functions::movw_abs_nc): New function.
2970         (Arm_relocate_functions::movt_abs): New function.
2971         (Arm_relocate_functions::thm_movw_abs_nc): New function.
2972         (Arm_relocate_functions::thm_movt_abs): New function.
2973         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
2974         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
2975         (Scan::global): Likewise.
2976         (Relocate::relocate): Likewise.
2977         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
2978
2979 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2980
2981         * arm.cc (Arm_relocate_functions::got_prel) New function.
2982         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
2983         (Relocate::relocate): Likewise.
2984         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
2985
2986 2009-10-06  Ian Lance Taylor  <iant@google.com>
2987
2988         * options.h (class General_options): Define
2989         split_stack_adjust_size parameter.
2990         * object.h (class Object): Add uses_split_stack_ and
2991         has_no_split_stack_ fields.  Add uses_split_stack and
2992         has_no_split_stack accessor functions.  Declare
2993         handle_split_stack_section.
2994         (class Reloc_symbol_changes): Define.
2995         (class Sized_relobj): Define Function_offsets.  Declare
2996         split_stack_adjust, split_stack_adjust_reltype, and
2997         find_functions.
2998         * object.cc (Object::handle_split_stack_section): New function.
2999         (Sized_relobj::do_layout): Call handle_split_stack_section.
3000         * dynobj.cc (Sized_dynobj::do_layout): Call
3001         handle_split_stack_section.
3002         * reloc.cc (Sized_relobj::relocate_sections): Call
3003         split_stack_adjust for executable sections in split_stack
3004         objects.  Pass reloc_map to relocate_section.
3005         (Sized_relobj::split_stack_adjust): New function.
3006         (Sized_relobj::split_stack_adjust_reltype): New function.
3007         (Sized_relobj::find_functions): New function.
3008         * target-reloc.h: Include "object.h".
3009         (relocate_section): Add reloc_symbol_changes parameter.  Change
3010         all callers.
3011         * target.h (class Target): Add calls_non_split method.  Declare
3012         do_calls_non_split virtual method.  Declare match_view and
3013         set_view_to_nop.
3014         * target.cc: Include "elfcpp.h".
3015         (Target::do_calls_non_split): New function.
3016         (Target::match_view): New function.
3017         (Target::set_view_to_nop): New function.
3018         * gold.cc (queue_middle_tasks): Give an error if mixing
3019         split-stack and non-split-stack objects with -r.
3020         * i386.cc (Target_i386::relocate_section): Add
3021         reloc_symbol_changes parameter.
3022         (Target_i386::do_calls_non_split): New function.
3023         * x86_64.cc (Target_x86_64::relocate_section): Add
3024         reloc_symbol_changes parameter.
3025         (Target_x86_64::do_calls_non_split): New function.
3026         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
3027         parameter.
3028         * powerpc.cc (Target_powerpc::relocate_section): Add
3029         reloc_symbol_changes parameter.
3030         * sparc.cc (Target_sparc::relocate_section): Add
3031         reloc_symbol_changes parameter.
3032         * configure.ac: Call AM_CONDITIONAL for the default target.
3033         * configure: Rebuild.
3034         * testsuite/Makefile.am (TEST_AS): New variable.
3035         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
3036         (check_DATA): Add split_i386 and split_x86_64 files.
3037         (SPLIT_DEFSYMS): Define.
3038         (split_i386_[1234n].o): New targets.
3039         (split_i386_[124]): New targets.
3040         (split_i386_[1234r].stdout): New targets.
3041         (split_x86_64_[1234n].o): New targets.
3042         (split_x86_64_[124]): New targets.
3043         (split_x86_64_[1234r].stdout): New targets.
3044         (MOSTLYCLEANFILES): Add new executables.
3045         * testsuite/split_i386.sh: New file.
3046         * testsuite/split_x86_64.sh: New file.
3047         * testsuite/split_i386_1.s: New file.
3048         * testsuite/split_i386_2.s: New file.
3049         * testsuite/split_i386_3.s: New file.
3050         * testsuite/split_i386_4.s: New file.
3051         * testsuite/split_i386_n.s: New file.
3052         * testsuite/split_x86_64_1.s: New file.
3053         * testsuite/split_x86_64_2.s: New file.
3054         * testsuite/split_x86_64_3.s: New file.
3055         * testsuite/split_x86_64_4.s: New file.
3056         * testsuite/split_x86_64_n.s: New file.
3057         * testsuite/testfile.cc (Target_test): Update relocation_section
3058         function.
3059         * testsuite/Makefile.in: Rebuild.
3060
3061 2009-10-06  Ian Lance Taylor  <iant@google.com>
3062
3063         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
3064         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
3065         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
3066         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
3067         the address on ldo_addrs_.
3068         (Target_i386::Relocate::fix_up_ldo): New function.
3069
3070 2009-10-06   Rafael Espindola  <espindola@google.com>
3071
3072         * plugin.cc (add_input_library): New.
3073         (Plugin::load): Add add_input_library to tv.
3074         (Plugin_manager::add_input_file): Add the is_lib argument.
3075         (add_input_file): Update call to Plugin_manager::add_input_file.
3076         (add_input_library): New.
3077         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
3078
3079 2009-09-30  Doug Kwan  <dougkwan@google.com>
3080
3081         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
3082         symbol and call Symbol::may_need_copy_reloc to determine if
3083         a copy reloc is needed.
3084         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
3085         nocopyreloc is given in command line.
3086         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
3087         given in command line.
3088         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
3089         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
3090         of the removed Target_i386::may_need_copy_reloc.
3091         * options.h (copyreloc): New option with default value false.
3092         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
3093         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
3094         instead of the removed Target_powerpc::may_need_copy_reloc.
3095         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
3096         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
3097         instead of the removed Target_sparc::may_need_copy_reloc.
3098         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
3099         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
3100         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
3101         instead of the removed Target_x86_64::may_need_copy_reloc.
3102
3103 2009-09-30  Ian Lance Taylor  <iant@google.com>
3104
3105         * object.h (class Object): Remove target_ field, and target,
3106         sized_target, and set_target methods.
3107         (Object::sized_target): Remove.
3108         (class Sized_relobj): Update declarations.  Remove sized_target.
3109         * object.cc (Sized_relobj::setup): Remove target parameter.
3110         Change all callers.
3111         (Input_objects::add_object): Don't do anything with the target.
3112         (make_elf_sized_object): Add punconfigured parameter.  Change all
3113         callers.  Set or test parameter target.
3114         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
3115         Change all callers.
3116         * parameters.cc (Parameters::set_target): Change parameter type to
3117         be non-const.
3118         (Parameters::default_target): Remove.
3119         (set_parameters_target): Change parameter type to be non-const.
3120         (parameters_force_valid_target): New function.
3121         (parameters_clear_target): New function.
3122         * parameters.h (class Parameters): Update declarations.  Remove
3123         default_target method.  Add sized_target and clear_target
3124         methods.  Change target_ to be non-const.
3125         (set_parameters_target): Update declaration.
3126         (parameters_force_valid_target): Declare.
3127         (parameters_clear_target): Declare.
3128         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
3129         as NULL if we aren't searching.
3130         (Add_symbols::run): Don't check for compatible target.
3131         * fileread.cc (Input_file::open_binary): Call
3132         parameters_force_valid_target.
3133         * gold.cc (queue_middle_tasks): Likewise.
3134         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
3135         set_target on object.
3136         * dynobj.h (class Sized_dynobj): Update declarations.
3137         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
3138         make_elf_object returns NULL.
3139         (Archive::include_member): Don't check whether object target is
3140         compatible.
3141         * output.cc (Output_section::add_input_section): Get target from
3142         parameters.
3143         (Output_section::relax_input_section): Likewise.
3144         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
3145         parameters.
3146         (Sized_relobj::do_scan_relocs): Likewise.
3147         (Sized_relobj::relocate_sections): Likewise.
3148         * resolve.cc (Symbol_table::resolve): Likewise.
3149         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
3150         parameter.  Change all callers.
3151         (Symbol_table::add_from_object): Get target from parameters.
3152         (Symbol_table::add_from_relobj): Don't check object target.
3153         (Symbol_table::add_from_dynobj): Likewise.
3154         (Symbol_table::define_special_symbol): Get target from
3155         parameters.
3156         * symtab.h (class Symbol_table): Update declaration.
3157         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
3158         parameter.  Change all callers.  Clear parameter target.
3159         (Binary_test): Test target here.
3160         * testsuite/object_unittest.cc (gold_testsuite): Remove
3161         target_test_pointer parameter.  Change all callers.
3162         (Object_test): Test target here.
3163
3164 2009-09-26  Ian Lance Taylor  <iant@google.com>
3165
3166         * testsuite/initpri1.c: Don't try to use constructor priorities if
3167         compiling with gcc before 4.3.
3168
3169 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
3170
3171         * testsuite/retain_symbols_file_test.sh (check_present): Change
3172         output file name to retain_symbols_file_test.stdout.
3173         (check_absent): Likewise.
3174
3175 2009-09-18  Craig Silverstein  <csilvers@google.com>
3176
3177         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
3178         * options.cc: Include <cerrno> and <fstream>.
3179         (General_options::finalize): Parse -retain-symbols-file tag.
3180         * options.h: New flag.
3181         (General_options): New method should_retain_symbol, new
3182         variable symbols_to_retain.
3183         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
3184         should_retain_symbol map.
3185         * testsuite/Makefile.am (retain_symbols_file_test): New test.
3186         * testsuite/Makefile.in: Regenerate.
3187         * testsuite/retain_symbols_file_test.sh: New file.
3188
3189 2009-09-18  Nick Clifton  <nickc@redhat.com>
3190
3191         * po/es.po: Updated Spanish translation.
3192
3193 2009-09-17  Doug Kwan  <dougkwan@google.com>
3194
3195         * debug.h (DEBUG_RELAXATION): New constant.
3196         (DEBUG_ALL): Add DEBUG_RELAXATION.
3197         (debug_string_to_enum): Add relaxation debug option.
3198         * layout.cc
3199         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
3200         Layout::Relaxation_debug_check::read_sections,
3201         Layout::Relaxation_debug_check::read_sections): New method definitions.
3202         (Layout::Layout): Initialize data members
3203         record_output_section_data_from_scrips_,
3204         script_output_section_data_list_ and relaxation_debug_check_.
3205         (Layout::save_segments, Layout::restore_segments,
3206         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
3207         Layout::relaxation_loop_body): New method definitions.
3208         (Layout::finalize): Support relaxation.  Move section layout code to
3209         Layout::relaxation_loop_body.
3210         (Layout::set_asection_address_from_script): Move code for orphan
3211         section placement out.
3212         (Layout::place_orphan_sections_in_script): New method definition.
3213         * layout.h (Output_segment_headers, Output_file_header):
3214         New forward class declarations.
3215         (Layout::~Layout): Define.
3216         (Layout::new_output_section_data_from_script): New method definition.
3217         (Layout::place_orphan_sections_in_script): New method declaration.
3218         (Layout::Segment_states): New type declaration.
3219         (Layout::save_segments, Layout::restore_segments,
3220         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
3221         Layout::relaxation_loop_body): New method declarations.
3222         (Layout::Output_section_data_list): New type declaration.
3223         (Layout::Relaxation_debug_check): New class definition.
3224         (Layout::record_output_section_data_from_script_,
3225         Layout::script_output_section_data_list_, Layout::segment_states_,
3226         Layout::relaxation_debug_check_): New data members.
3227         * output.cc: (Output_section_headers::do_size): New method definition.
3228         (Output_section_headers::Output_section_headers): Move size
3229         computation to Output_section_headers::do_size.
3230         (Output_segment_headers::do_size): New method definition.
3231         (Output_file_header::Output_file_header): Move size computation to 
3232         Output_file_header::do_size and call it.
3233         (Output_file_header::do_size): New method definition.
3234         (Output_data_group::Output_data_group): Adjust call to
3235         Output_section_data.
3236         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
3237         (Output_symtab_xindex::do_write): Add array bound check.
3238         (Output_section::Input_section::print_to_mapfile): Handle
3239         RELAXED_INPUT_SECTION_CODE.
3240         (Output_section::Output_section): Initialize data member checkpoint_.
3241         (Output_section::~Output_section): Delete checkpoint object pointed
3242         by checkpoint_.
3243         (Output_section::add_input_section): Always add an Input_section if
3244         relaxing.
3245         (Output_section::add_merge_input_section): Add assert.
3246         (Output_section::relax_input_section): New method definition.
3247         (Output_section::set_final_data_size): Set load address to zero for
3248         an unallocated section.
3249         (Output_section::do_address_and_file_offset_have_reset_values):
3250         New method definition.
3251         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
3252         Handle relaxed input section.
3253         (Output_section::sort_attached_input_sections): Checkpoint input
3254         section list lazily.
3255         (Output_section::get_input_sections): Change type of input_sections to
3256         list of Simple_input_section pointers.  Checkpoint input section list
3257         lazily.  Also handle relaxed input sections.
3258         (Output_section::add_input_section_for_script): Take a reference to
3259         a Simple_input_section object instead of Relobj pointer and section
3260         index as parameter.  Handle relaxed input sections.
3261         (Output_section::save_states, Output_section::restore_states): New
3262         method definitions.
3263         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
3264         (Output_data::is_data_size_fixed): New method definition.
3265         (Output_data::reset_addresss_and_file_offset): Do not reset data size
3266         if it is fixed.
3267         (Output_data::address_and_file_offset_have_reset_values): New method
3268         definition.
3269         (Output_data::do_address_and_file_offset_have_reset_values): New method
3270         definition.
3271         (Output_data::set_data_size): Check that data size is not fixed.
3272         (Output_data::fix_data_size): New method definition.
3273         (Output_data::is_data_size_fixed_): New data member.
3274         (Output_section_headers::set_final_data_size): New method definition.
3275         (Output_section_headers::do_size): New method declaration.
3276         (Output_segment_headers::set_final_data_size): New method definition.
3277         (Output_segment_headers::do_size): New method declaration.
3278         (Output_file_header::set_final_data_size)::New method definition.
3279         (Output_file_header::do_size)::New method declaration.
3280         (Output_section_data::Output_section_data): Add new parameter
3281         is_data_size_fixed and use it to fix data size.
3282         (Output_data_const::Output_data_const): Adjust call to base class
3283         constructor and fix data size.
3284         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
3285         base class constructor and fix data size.
3286         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
3287         base class constructor and fix data size.
3288         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
3289         class constructor and fix data size.
3290         (Output_data_group::set_final_data_size): New method definition.
3291         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
3292         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
3293         class constructor and fix data size.
3294         (Output_relaxed_input_section): New class definition.
3295         (Output_section::Simple_input_section): New class definition.
3296         (Output_section::get_input_sections): Adjust parameter list.
3297         (Output_section::add_input_section_for_script): Same.
3298         (Output_section::save_states, Output_section::restore_states,
3299         Output_section::do_address_and_file_offset_have_reset_values,
3300         (Output_section::Input_section::Input_section): Handle
3301         RELAXED_INPUT_SECTION_CODE.  Add new overload for
3302         Output_relaxed_input_section.
3303         (Output_section::Input_section::is_input_section,
3304         Output_section::Input_section::set_output_section): Handle relaxed
3305         input section.
3306         (Output_section::Input_section::is_relaxed_input_section,
3307         Output_section::Input_section::output_section_data,
3308         Output_section::Input_section::relaxed_input_section): New method
3309         definitions.
3310         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
3311         value.
3312         (Output_section::Input_section::u1_): Update comments.
3313         (Output_section::Input_section::u2_): Add new union member poris.
3314         (Output_section::Checkpoint_output_section): New classs definition.
3315         (Output_section::relax_input_section): New method declaration.
3316         (Output_section::checkpoint_): New data member.
3317         (Output_segment): Update comments.
3318         (Output_segment::Output_segment): Un-privatize copy constructor.
3319         (Output_segment::operator=): Un-privatize.
3320         * script-sections.cc (Output_section_element::Input_section_list):
3321         Change element type to Output_section::Simple_input_section.
3322         (Output_section_element_dot_assignment::set_section_addresses):
3323         Register output section data for relaxation clean up.
3324         (Output_data_exression::Output_data_expression): Adjust call to base
3325         constructor to fix data size.
3326         (Output_section_element_data::set_section_addresses): Register
3327         Output_data_expression object for relaxation clean up.
3328         (struct Input_section_info): Replace Relobj pointer and section index
3329         pair with Output_section::Simple_input_section and Convert struct to a
3330         class.
3331         (Input_section_sorter::operator()): Adjust access to
3332         Input_section_info data member to use accessors. 
3333         (Output_section_element_input::set_section_addresses): Use layout
3334         parameter.  Adjust code to use Output_section::Simple_input_section
3335         and Input_secction_info classes.  Register filler for relaxation
3336         clean up.
3337         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
3338         and section index pair with Output_section::Simple_input_section
3339         class.  Adjust code accordingly.
3340         (Phdrs_element::release_segment): New method definition.
3341         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
3342         segment list.
3343         (Script_sections::release_segments): New method definition.
3344         * gold/script-sections.h (Script_sections::release_segments): New
3345         method declaration.
3346         * gold/target.h (Target::may_relax, Target::relax,
3347         Target::do_may_relax, Target::do_relax): New method definitions.
3348
3349 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3350
3351         * arm.cc (has_signed_unsigned_overflow): New function.
3352         (Arm_relocate_functions::abs8): New function.
3353         (Target_arm::Scan::local): Handle R_ARM_ABS8.
3354         (Target_arm::Scan::global): Likewise.
3355         (Target_arm::relocate::relocate): Likewise.
3356         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3357         Likewise.
3358
3359 2009-09-16  Cary Coutant  <ccoutant@google.com>
3360
3361         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
3362         * testsuite/Makefile.in: Regenerate.
3363
3364 2009-09-11  Nick Clifton  <nickc@redhat.com>
3365
3366         * po/gold.pot: Updated by the Translation project.
3367
3368 2009-09-08  Cary Coutant  <ccoutant@google.com>
3369
3370         * output.cc (Output_file::open): Add execute permission to empty file.
3371         * testsuite/Makefile.am (permission_test): New test.
3372         * testsuite/Makefile.in: Regenerate.
3373
3374 2009-09-02  Ian Lance Taylor  <iant@google.com>
3375
3376         * output.cc (Output_file::resize): Call map_no_anonymous rather
3377         than map.
3378
3379 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
3380
3381         * gold.cc: Include "incremental.h".
3382         (queue_initial_tasks): Call Incremental_checker methods.
3383         * incremental.cc: Include "output.h".
3384         (Incremental_checker::can_incrementally_link_output_file): New
3385         method.
3386         * incremental.h (Incremental_checker): New class.
3387
3388         * output.cc (Output_file::open_for_modification): New method.
3389         (Output_file::map_anonymous): Changed return type to bool.  Record
3390         map in base_ field.
3391         (Output_file::map_no_anonymous): New method, broken out of map.
3392         (Output_file::map): Use map_no_anonymous and map_anonymous.
3393         * output.h (class Output_file): Update declarations.
3394
3395 2009-08-24  Cary Coutant  <ccoutant@google.com>
3396
3397         * options.h (Command_line::Pre_options): New class.
3398         (Command_line::pre_options): New member.
3399         * options.cc (gold::options::ready_to_register): New variable.
3400         (One_option::register_option): Do nothing if not registering options.
3401         Assert if same short option registered twice.
3402         (General_options::General_options): Turn off option registration when
3403         done constructing.
3404         (Command_line::Pre_options::Pre_options): New constructor.
3405
3406 2009-08-24  Cary Coutant  <ccoutant@google.com>
3407
3408         * options.h (General_options::no_keep_memory): Remove incorrect
3409         short option.
3410
3411 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3412
3413         * Makefile.am (am__skiplex, am__skipyacc): New.
3414         * Makefile.in: Regenerate.
3415
3416 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3417
3418         * Makefile.am (AM_CPPFLAGS): Renamed from ...
3419         (INCLUDES): ... this.
3420         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
3421         (AM_CPPFLAGS): Renamed from ...
3422         (INCLUDE): ... this.
3423         * Makefile.in, testsuite/Makefile.in: Regenerate.
3424
3425         * Makefile.in: Regenerate.
3426         * aclocal.m4: Likewise.
3427         * config.in: Likewise.
3428         * configure: Likewise.
3429         * testsuite/Makefile.in: Likewise.
3430
3431         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
3432         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
3433         * Makefile.in: Regenerate.
3434         * testsuite/Makefile.in: Regenerate.
3435
3436 2009-08-19  Cary Coutant  <ccoutant@google.com>
3437
3438         * resolve.cc (Symbol_table::resolve): Don't complain about defined
3439         symbols in shared libraries overridden by hidden or internal symbols
3440         in the main program.
3441
3442 2009-08-19  Chris Demetriou  <cgd@google.com>
3443
3444         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
3445         checking source file names in error messages.
3446
3447 2009-08-18  Doug Kwan  <dougkwan@google.com>
3448
3449         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
3450         an elcpp::Ehdr as parameter.  Adjust call to set_target.
3451         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
3452         an elfcpp::Ehdr as parameter.
3453         * object.cc (Object::set_target): Remove the version that looks up
3454         a target and sets it.
3455         (Sized_relobj::setup): Take a Target object instead of
3456         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
3457         (make_elf_sized_object): Find target and ask target to
3458         make an ELF object.
3459         * object.h: (Object::set_target): Remove the version that looks up
3460         a target and sets it.
3461         (Sized_relobj::setup): Take a Target object instead of
3462         an elfcpp:Ehdr as parameter.
3463         * target.cc: Include dynobj.h.
3464         (Target::do_make_elf_object_implementation): New.
3465         (Target::do_make_elf_object): New.
3466         * target.h (Target::make_elf_object): New template declaration.
3467         (Target::do_make_elf_object): New method declarations.
3468         (Target::do_make_elf_object_implementation): New template declaration.
3469
3470 2009-08-14  Ian Lance Taylor  <iant@google.com>
3471
3472         * gold.h (FUNCTION_NAME): Define.
3473         (gold_unreachable): Use FUNCTION_NAME.
3474
3475 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
3476
3477         * icf.cc (Icf::find_identical_sections): Issue a warning when a
3478         symbol in the --keep-unique list is not found.
3479
3480 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
3481
3482         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
3483         been maked as --keep-unique.
3484         (Icf::unfold_section): New function.
3485         * icf.h (Icf::unfold_section): New function.
3486         * options.h (General_options::keep_unique): New option.
3487         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
3488         * testsuite/Makefile.in: Regenerate.
3489         * testsuite/icf_keep_unique_test.sh: New file.
3490         * testsuite/icf_keep_unique_test.cc: New file.
3491
3492 2009-08-12  Cary Coutant  <ccoutant@google.com>
3493
3494         PR 10471
3495         * resolve.cc (Symbol_table::resolve): Check for references from
3496         dynamic objects to hidden and internal symbols.
3497         * testsuite/Makefile.am (hidden_test.sh): New test.
3498         * testsuite/Makefile.in: Regenerate.
3499         * testsuite/hidden_test.sh: New script.
3500         * testsuite/hidden_test_1.c: New test source.
3501         * testsuite/hidden_test_main.c: New test source.
3502
3503 2009-08-11  Doug Kwan  <dougkwan@google.com>
3504
3505         * arm.cc: Update comments.
3506         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
3507         segment to locate the .ARM.exidx section if present.
3508
3509 2009-08-09  Doug Kwan  <dougkwan@google.com>
3510
3511         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
3512         patch.
3513
3514 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
3515         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
3516         compiler warnings.
3517
3518 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
3519
3520         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
3521         valid tls_segment only for non-debug-section relocations.
3522         * testsuite/Makefile.am: Add gc_tls_test.
3523         * testsuite/Makefile.in: Regenerate.
3524         * testsuite/gc_tls_test.cc: New file.
3525         * testsuite/gc_tls_test.sh: New file.
3526
3527 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
3528         
3529         * icf.cc: New file.
3530         * icf.h: New file.
3531         * Makefile.am (CCFILES): Add icf.cc.
3532         (HFILES): Add icf.h
3533         * Makefile.in: Regenerate.
3534         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
3535         * gc.h (gc_process_relocs): Populate lists used by icf to contain
3536         section, symbol and addend information for the relocs.
3537         * gold.cc (queue_middle_tasks): Call identical code folding.
3538         * gold.h: Add defines for multimap.
3539         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
3540         to the call of finalize_local_symbols.
3541         * main.cc (main): Create object of class Icf.
3542         * object.cc (Sized_relobj::do_layout): Allow this function to be
3543         called twice during icf.
3544         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
3545         to sections marked as identical by icf.
3546         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
3547         when available.
3548         (Sized_relobj::do_section_entsize): New function.
3549         * object.h (Object::section_entsize): New function.
3550         (Object::do_section_entsize): New pure virtual function.
3551         (Relobj::finalize_local_symbols): Add new parameter.
3552         (Relobj::do_section_entsize): New function.
3553         * options.h (General_options::icf): New option.
3554         (General_options::icf_iterations): New option.
3555         (General_options::print_icf_sections): New option.
3556         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
3557         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
3558         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
3559         icf.
3560         * symtab.cc (Symbol_table::is_section_folded): New function.
3561         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
3562         to sections marked as identical by icf.
3563         * symtab.h (Symbol_table::set_icf): New function.
3564         (Symbol_table::icf): New function.
3565         (Symbol_table::is_section_folded): New function.
3566         (Symbol_table::icf_): New data member.
3567         * target-reloc.h (relocate_section): Ignore sections folded by icf.
3568         * testsuite/Makefile.am: Add commands to build icf_test.
3569         * testsuite/Makefile.in: Regenerate.
3570         * testsuite/icf_test.sh: New file.
3571         * testsuite/icf_test.cc: New file.
3572
3573 2009-07-24  Chris Demetriou  <cgd@google.com>
3574
3575         * layout.cc (is_compressible_debug_section): Fix incorrect
3576         comment about compressed section names.
3577
3578 2009-07-20  Ian Lance Taylor  <ian@airs.com>
3579
3580         PR 10419
3581         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
3582
3583 2009-07-16  Ian Lance Taylor  <iant@google.com>
3584
3585         PR 10400
3586         * layout.h: #include <map>.
3587         (class Kept_section): Change from struct to class.  Add accessors
3588         and setters.  Add section size to Comdat_group mapping.  Change
3589         Comdat_group to std::map.  Add is_comdat_ field.  Add
3590         linkonce_size field in union.
3591         (class Layout): Update declaration of find_or_add_kept_section.
3592         Don't declare find_kept_object.
3593         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
3594         parameter.  Add object, shndx, is_comdat, and is_group_name
3595         parameters.  Change all callers.  Adjust for new Kept_section.
3596         (Layout::find_kept_object): Remove.
3597         * object.cc (Sized_relobj::include_section_group): Update use of
3598         Kept_section.  Rename secnum to shndx.  Only record
3599         Kept_comdat_section if sections are the same size.
3600         (Sized_relobj::include_linkonce_section): Update use of
3601         Kept_section.  Only record Kept_comdat_section if sections are the
3602         same size.  Set size of linkonce section.
3603         (Sized_relobj::map_to_kept_section): Update call to
3604         get_kept_comdat_section.
3605         * object.h (class Sized_relobj): Rename fields in
3606         Kept_comdat_section to drop trailing underscores; change object
3607         field to Relobj*.  Change Kept_comdat_section_table to store
3608         struct rather than pointer.
3609         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
3610         Add kept_object and kept_shndx parameters.  Change all callers.
3611         (Sized_relobj::get_kept_comdat_section): Change return type to
3612         bool.  Add kept_object and kept_shndx parameters.  Change all
3613         callers.
3614         * plugin.cc (Pluginobj::include_comdat_group): Update call to
3615         Layout::find_or_add_kept_section.
3616
3617 2009-07-09  Ian Lance Taylor  <iant@google.com>
3618
3619         * merge.cc (Object_merge_map::initialize_input_to_output_map):
3620         Reserve space in the hash table.
3621
3622 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
3623
3624         * fileread.cc (File_read::get_mtime): New method.
3625         * fileread.h (Timespec): New structure.
3626         (File_read::get_mtime): New method.
3627         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
3628         Renamed from timestamp_nsec.
3629         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
3630         Elf_Xword.
3631         (Incremental_inputs_entry_write::timestamp_usec): Renamed from 
3632         timestamp_nsec.
3633         (Incremental_inputs::report_archive): Save mtime; style fix. 
3634         (Incremental_inputs::report_obejct): Save mtime; style fix.
3635         (Incremental_inputs::report_script): Save mtime; style fix.
3636         (Incremental_inputs::finalize_inputs): Style fix.
3637         (Incremental_inputs::finalize): Style fix.
3638         (Incremental_inputs::create_input_section_data): Store inputs
3639         mtime.
3640         * incremental.h (Incremental_inputs::report_script): Add mtime
3641         argument.
3642         (Incremental_inputs::Input_info::Input_info): Intialize only one
3643         union member.
3644         (Incremental_inputs::Input_info::archive): Move to nameless
3645         union.
3646         (Incremental_inputs::Input_info::obejct): Move to nameless union.
3647         (Incremental_inputs::Input_info::script): Move to nameless union.
3648         (Incremental_inputs::mtime): New field.
3649         * script.cc (read_input_script): Pass file mtime to
3650         Incremental_input.
3651         * script.h (Script_info::inputs): Style fix.
3652
3653 2009-07-01  Ian Lance Taylor  <ian@airs.com>
3654
3655         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
3656         instead of 32.
3657
3658 2009-06-24  Ian Lance Taylor  <iant@google.com>
3659
3660         PR 10156
3661         * layout.cc (Layout::choose_output_section): If we find an
3662         existing section, update the flags.
3663         (Layout::create_notes): New function, broken out of
3664         Layout::finalize.
3665         (Layout::finalize): Don't create note sections.
3666         (Layout::create_note): Don't crash if linker script discards
3667         section.
3668         (Layout::create_gold_note): Likewise.
3669         (Layout::create_build_id): Likewise.  Don't set
3670         after_input_sections on the section.
3671         (Layout::create_executable_stack_info): Remove target parameter.
3672         Change caller.
3673         * layout.h (class Layout): Declare create_notes.  Update
3674         declaration of create_executable_stack_info.
3675         * gold.cc (queue_middle_tasks): Call create_notes.
3676         * output.cc (Output_section::update_flags_for_input_section): Move
3677         here from output.h.  If SHF_ALLOC flag is newly set, mark address
3678         invalid.
3679         * output.h (Output_data::mark_address_invalid): New function.
3680         (class Output_section): Only declare, not define,
3681         update_flags_for_input_section.  Remove set_flags.
3682
3683 2009-06-24  Ian Lance Taylor  <iant@google.com>
3684
3685         * script-sections.cc (Output_section_definition::
3686         set_section_addresses): Rename shadowing local load_address to
3687         laddr.
3688
3689 2009-06-24  Ian Lance Taylor  <iant@google.com>
3690
3691         PR 10244
3692         * reloc.cc (relocate_sections): Skip empty relocation sections.
3693
3694 2009-06-23  Ian Lance Taylor  <iant@google.com>
3695
3696         PR 10156
3697         * layout.cc (Layout::create_note): Use choose_output_section
3698         rather than make_output_section.
3699
3700 2009-06-23  Ian Lance Taylor  <iant@google.com>
3701
3702         PR 10237
3703         * options.cc (General_options::parse_V): Set printed_version_.
3704         (General_options::General_options): Initialize printed_version_.
3705         * options.h (class General_options): Add printed_version_ field.
3706         * gold.cc (queue_initial_tasks): If there are no input files,
3707         don't give a fatal error if we printed the version information.
3708         (queue_middle_tasks): If using -r with a shared object, give a
3709         fatal error rather than an ordinary error.
3710
3711 2009-06-23  Ian Lance Taylor  <iant@google.com>
3712
3713         PR 10219
3714         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
3715         (Layout::make_output_section): Set have_stabstr_section_ if we see
3716         a .stab*str section.
3717         (Layout::finalize): Call link_stabs_sections.
3718         (Layout::link_stabs_sections): New file.
3719         * layout.h (class Layout): Add have_stabstr_section_ field.
3720         Declare link_stabs_sections.
3721
3722 2009-06-23  Doug Kwan  <dougkwan@google.com>
3723
3724         * Makefile.am (libgold_a_LIBADD): New.
3725         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
3726         * Makefile.in: Regenerate.
3727         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
3728         * configure: Regenerate.
3729         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
3730         * fileread.cc: Include sys/state.h
3731         * gold.h: Declare memmem and strndup if found missing.
3732         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
3733
3734 2009-06-23  Ian Lance Taylor  <iant@google.com>
3735
3736         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
3737         * configure: Rebuild.
3738
3739 2009-06-23  Ian Lance Taylor  <iant@google.com>
3740
3741         PR 10147
3742         * object.cc (Object::section_contents): Don't try to get a view if
3743         the section has length zero.
3744         (Object::handle_gnu_warning_section): If the section is empty, use
3745         the name of the section as the warning.
3746
3747 2009-06-23  Ian Lance Taylor  <iant@google.com>
3748
3749         PR 10133
3750         * stringpool.h (class Stringpool_template): Add optimize_ field.
3751         (Stringpool_template::set_optimize): New function.
3752         * stringpool.cc (Stringpool_template::Stringpool_template):
3753         Initialize optimize_ field.
3754         (Stringpool_template::set_string_offsets): Test local optimize
3755         fild rather than parameter.
3756         * layout.cc (Layout::Layout): Call set_optimize on the section
3757         name stringpool.
3758
3759 2009-06-22  Ian Lance Taylor  <iant@google.com>
3760
3761         PR 10030
3762         * yyscript.y: Parse TARGET.
3763         * script.cc (script_set_target): New function.
3764         * script-c.h (script_set_target): Declare.
3765         * options.cc (General_options::string_to_object_format): Rename
3766         from string_to_object_format in anonymous namespace.  Change
3767         callers.
3768         * options.h (class General_options): Declare
3769         string_to_object_format.
3770
3771 2009-06-22  Ian Lance Taylor  <iant@google.com>
3772
3773         * script-sections.cc (Script_sections::create_segments): Don't put
3774         program headers in a PT_LOAD segment if -n or -N.
3775
3776 2009-06-22  Ian Lance Taylor  <iant@google.com>
3777
3778         PR 10141
3779         * options.h (class General_options): Add -z lazy and -z now.  Sort
3780         -z options into alphabetical order.
3781         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
3782
3783 2009-06-21  Ian Lance Taylor  <iant@google.com>
3784
3785         * layout.cc (Layout::make_output_section): Call
3786         Target::new_output_section.
3787         (Layout::attach_allocated_section_to_segment): Put large section
3788         sections in a separate load segment with the large segment flag
3789         set.
3790         (Layout::segment_precedes): Sort large data segments after other
3791         load segments.
3792         (align_file_offset): New static function.
3793         (Layout::set_segment_offsets): Use align_file_offset.
3794         * output.h (class Output_section): Add is_small_section_ and
3795         is_large_section_ fields.
3796         (Output_section::is_small_section): New function.
3797         (Output_section::set_is_small_section):  New function.
3798         (Output_section::is_large_section): New function.
3799         (Output_section::set_is_large_section): New function.
3800         (Output_section::is_large_data_section): New function.
3801         (class Output_segment): Add is_large_data_segment_ field.
3802         (Output_segment::is_large_data_segment): New function.
3803         (Output_segment::set_is_large_data_segment): New function.
3804         * output.cc (Output_section::Output_section): Initialize new
3805         fields.
3806         (Output_segment::Output_segment): Likewise.
3807         (Output_segment::add_output_section): Add assertion that large
3808         data sections always go in large data segments.  Force small data
3809         sections to the end of the list of data sections.  Force small BSS
3810         sections to the start of the list of BSS sections.  For large BSS
3811         sections to the end of the list of BSS sections.
3812         * symtab.h (class Symbol): Declare is_common_shndx.
3813         (Symbol::is_defined): Check Symbol::is_common_shndx.
3814         (Symbol::is_common): Likewise.
3815         (class Symbol_table): Define enum Commons_section_type.  Update
3816         declarations.  Add small_commons_ and large_commons_ fields.
3817         * symtab.cc (Symbol::is_common_shndx): New function.
3818         (Symbol_table::Symbol_table): Initialize new fields.
3819         (Symbol_table::add_from_object): Put small and large common
3820         symbols in the right list.
3821         (Symbol_table::sized_finalized_symbol): Check
3822         Symbol::is_common_shndx.
3823         (Symbol_table::sized_write_globals): Likewise.
3824         * common.cc (Symbol_table::do_allocate_commons): Allocate new
3825         common symbol lists.  Don't call do_allocate_commons_list if the
3826         list is empty.
3827         (Symbol_table::do_allocate_commons_list): Remove is_tls
3828         parameter.  Add comons_section_type parameter.  Change all
3829         callers.  Handle small and large common symbols.
3830         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
3831         Symbol::is_common_shndx.
3832         * resolve.cc (symbol_to_bits): Likewise.
3833         * target.h (Target::small_common_shndx): New function.
3834         (Target::small_common_section_flags): New function.
3835         (Target::large_common_shndx): New function.
3836         (Target::large_common_section_flags): New function.
3837         (Target::new_output_section): New function.
3838         (Target::Target_info): Add small_common_shndx, large_common_shndx,
3839         small_common_section_flags, and large_common_section_flags
3840         fields.
3841         (Target::do_new_output_section): New virtual function.
3842         * arm.cc (Target_arm::arm_info): Initialize new fields.
3843         * i386.cc (Target_i386::i386_info): Likewise.
3844         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
3845         Likewise.
3846         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
3847         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
3848         (Target_x86_64::do_new_output_section): New function.
3849         * configure.ac: Define conditional MCMODEL_MEDIUM.
3850         * testsuite/Makefile.am (check_PROGRAMS): Add large.
3851         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
3852         (large_LDFLAGS): Define.
3853         * testsuite/large.c: New file.
3854         * testsuite/testfile.cc (Target_test::test_target_info):
3855         Initialize new fields.
3856         * configure, testsuite/Makefile.in: Rebuild.
3857
3858 2009-06-05  Doug Kwan  <dougkwan@google.com>
3859
3860         * Makefile.am (CCFILES): Add target.cc.
3861         * Makefile.in: Regenerate. 
3862         * i386.cc (class Target_i386): Define new virtual method to
3863         override do_is_local_label_name in parent.
3864         * object.cc (Sized_relobj::do_count_local_symbols): Discard
3865         local symbols if --discard-locals or -X is given.
3866         * options.h (class General_options): Declare new options
3867         '--discard-locals' and '-X' for discarding locals.
3868         * target.h (class Target): Define new methods is_local_label_name.
3869         Declare new virtual method do_is_local_label_name.
3870         * target.cc: New file.
3871         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
3872         (check_SCRIPTS): Add discard_locals_test.sh.
3873         (check_DATA): Add discard_local_tests.syms.
3874         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
3875         (discard_local_tests.syms, discard_locals_test.o): New make rules.
3876         * testsuite/Makefile.in: Regenerate.
3877         * testsuite/discard_locals_test.c: New file.
3878         * testsuite/discard_locals_test.sh: Same.
3879
3880 2009-06-05  Doug Kwan  <dougkwan@google.com>
3881
3882         * object.cc (Sized_relobj::Sized_relobj): Initialize
3883         discarded_eh_frame_shndx_ to -1U.
3884         (Sized_relobj::do_layout): Record index of a discard .eh_frame
3885         section.
3886         (Sized_relobj::do_count_local_symbols): Skip local symbols in
3887         a discarded .eh_frame section.
3888         (Sized_relobj::do_finalize_local_symbols): Ditto.
3889         * object.h (class Sized_relobj): Declare new member
3890         discarded_eh_frame_shndx_.
3891         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
3892         (local_labels_test.o, local_labels_test): New rules.
3893         * testsuite/Makefile.in: Regenerate.
3894
3895 2009-06-04  Doug Kwan  <dougkwan@google.com>
3896
3897         * layout.cc (Layout::section_name_mapping): Add mapping for
3898         special ARM sections.
3899
3900 2009-06-03  Doug Kwan  <dougkwan@google.com>
3901
3902         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
3903         (utils::has_overflow): Same.
3904
3905 2009-06-03  Ian Lance Taylor  <iant@google.com>
3906
3907         * layout.cc (Layout::section_name_mapping): New array, replacing
3908         Layout::linkonce_mapping.
3909         (Layout::section_name_mapping_count): New variable, replacing
3910         Layout::linkonce_mapping_count.
3911         (Layout::linkonce_output_name): Remove.
3912         (Layout::output_section_name): Rewrite.
3913         * layout.h (class Layout): Rename Linkonce_mapping to
3914         Section_name_mapping, linkonce_mapping to section_name_mapping,
3915         linkonce_mapping_count to section_name_mapping_count.  Don't
3916         declare linkonce_output_name.
3917
3918 2009-06-03  Doug Kwan  <dougkwan@google.com>
3919
3920         * gold/arm.cc (namespace utils): New.
3921         (Target_arm::reloc_is_non_pic): Define new method.
3922         (class Arm_relocate_functions): New.
3923         (Target_arm::Relocate::relocate): Handle relocation types used by
3924         Android.
3925
3926 2009-06-03  Ian Lance Taylor  <iant@google.com>
3927
3928         * arm.cc (Target_arm::scan::global): Use || instead of |.
3929
3930 2009-06-02  Doug Kwan  <dougkwan@google.com>
3931
3932         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
3933         issued_non_pic_error_.
3934         (class Target_arm::Scan): Declare new method check_non_pic.
3935         Define new method symbol_needs_plt_entry.
3936         Declare new data member issued_non_pic_error_.
3937         (class Target_arm::Relocate): Declare new method
3938         should_apply_static_reloc.
3939         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
3940         (Target_arm::Scan::check_non_pic): Define new method.
3941         (Target_arm::Scan::local): Handle a small subset of reloc types used
3942         by Android.
3943         (Target_arm::Scan::local): Same.
3944         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
3945
3946 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
3947
3948         * incremental.cc (Incremental_inputs::report_command_line): Filter
3949         out --incremental-* options.
3950
3951 2009-05-29  Doug Kwan  <dougkwan@google.com>
3952
3953         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
3954         template class.
3955         (class Target_arm): Update comment.
3956         (Target_arm::Target_arm): Initialize new data members GOT_,
3957         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
3958         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
3959         and Target_arm::rel_dyn_section.
3960         Declare new_enum Target_arm::Got_type.
3961         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
3962         and DYNBSS_.
3963         Update commments for member do_dynsym_value.
3964         (Target_arm::got_size, Target_arm::plt_section,
3965         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
3966         new methods inside class defintion.
3967         (Target_arm::got_section): Define new method.
3968         (Target_arm::rel_dyn_section): Same.
3969         (Output_data_plt_arm): New template class.
3970         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
3971         (Output_data_plt_arm:do_adjust_output_section): Define new method.
3972         (Output_data_plt_arm::add_entry): Same.
3973         (Output_data_plt_arm::first_plt_entry): Define new
3974         static data member for PLT instruction template.
3975         (Output_data_plt_arm::plt_entry): Same.
3976         (Output_data_plt_arm::do_write): Define new method.
3977         (Target_arm::make_plt_entry): Same.
3978         (Target_arm::do_finalize_sections): Same.
3979         (Target_arm::do_dynsym_value): Same.
3980
3981 2009-05-28  Doug Kwan  <dougkwan@google.com>
3982
3983         * Makefile.am (TARGETSOURCES): Add arm.cc.
3984         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
3985         * Makefile.in: Regenerate.
3986         * arm.cc: New file.
3987         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
3988
3989 2009-05-26  Doug Kwan  <dougkwan@google.com>
3990
3991         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
3992         (General_options::check_excluded_libs): Strip off directories in
3993         archive name before matching like GNU ld does.
3994         * testsuite/Makefile.am (MOSTLYCLEANFILES,
3995         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
3996         (exclude_libs_test_LDFLAGS): Add linker option
3997         -Wl,--exclude-libs,libexclude_libs_test_3
3998         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
3999         an explicit archive without using -l.
4000         (alt/libexclude_libs_test_3.a): New make rule.
4001         * testsuite/Makefile.in: Regenerate.
4002         * testsuite/exclude_libs_test.c : Declare lib3_default().
4003         (main): Call it.
4004         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
4005         * exclude_libs_test_3.c: New file.
4006
4007 2009-05-26  Nick Clifton  <nickc@redhat.com>
4008
4009         * po/id.po: New Indonesian translation.
4010         * po/gold.pot: Updated template file.
4011
4012 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
4013
4014         * testsuite/Makefile.am: Add -ffunction-sections to compile 
4015         gc_comdat_test files.  Add -Wl,--gc-sections to build
4016         gc_comdat_test.
4017         * testsuite/Makefile.in: Regenerate.
4018         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
4019
4020 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
4021
4022         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
4023         kept comdat section was garbage collected.
4024         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
4025         * testsuite/Makefile.in: Regenerate.
4026         * testsuite/gc_comdat_test.sh: New file.
4027         * testsuite/gc_comdat_test_1.cc: New file.
4028         * testsuite/gc_comdat_test_2.cc: New file.
4029
4030 2009-05-19  Doug Kwan  <dougkwan@google.com>
4031
4032         * archive.cc (Archive::Archive): Move constructor from archive.h
4033         to here.  Initialize no_export_.
4034         (Archive::get_elf_object_for_member): Set no_export flag of object.
4035         * archive.h (Archive::Archive): Move constructor body to
4036         archive.cc.
4037         (Archive::no_export): New method.
4038         (Archive::no_export_): New field.
4039         * object.h (Object::Object): Initialize no_export_ to false.
4040         (Object::no_export, Object::set_no_export): New methods.
4041         (Object::no_export_): New field.
4042         * options.cc (General_options::parse_exclude_libs): New method.
4043         (General_options::check_excluded_libs) Same.
4044         * options.h (exclude_libs): New option.
4045         (General_options::check_excluded_libs): New method declaration.
4046         (General_options::excluded_libs_): New field.
4047         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
4048         default or protected visibility if an object has no-export flag set.
4049         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
4050         (check_SCRIPTS): Add exclude_libs_test.sh.
4051         (check_DATA): Add exclude_libs_test.syms.
4052         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
4053         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
4054         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
4055         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
4056         (exclude_libs_test.syms, libexclude_libs_test_1.a,
4057         libexclude_libs_test_2.a): New rules.
4058         * testsuite/Makefile.in: Regenerate.
4059         * testsuite/exclude_libs_test.c: New file.
4060         * testsuite/exclude_libs_test.sh: Ditto.
4061         * testsuite/exclude_libs_test_1.c: Ditto.
4062         * testsuite/exclude_libs_test_2.c: Ditto.
4063
4064 2009-05-15  Ian Lance Taylor  <iant@google.com>
4065
4066         * configure.ac: Check for declarations for cases where libiberty.h
4067         checks HAVE_DECL_xxx.
4068         * configure, config.in: Rebuild.
4069
4070 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
4071
4072         * gold.h (Incremental_argument_list): Remove (invalid) forward
4073         declaration.
4074         * incremental.cc (Incremental_inputs::report_achive): New method.
4075         (Incremental_inputs::report_object): New method.
4076         (Incremental_inputs::report_script): New method.
4077         (Incremental_inputs::finalize_inputs): New method.
4078         (Incremental_inputs::finalize): Call finalize_inputs().
4079         (Incremental_inputs::sized_create_incremental_inputs_section_data):
4080         Create inputs entries.
4081         * incremental.h (Incremental_input_type): New enum.
4082         (Incremental_inputs::Incremental_input): Initialize new fields.
4083         (Incremental_inputs::report_inputs): New method.
4084         (Incremental_inputs::report_achive): New method.
4085         (Incremental_inputs::report_object): New method.
4086         (Incremental_inputs::report_script): New method.
4087         (Incremental_inputs::finalize_inputs): New method.
4088         (Incremental_inputs::Input_info): New struct.
4089         (Incremental_inputs::Input_info_map): New typedef.
4090         (Incremental_inputs::lock_): New field.
4091         (Incremental_inputs::Inputs_): New field.
4092         (Incremental_inputs::Inputs_map): New field.
4093         * main.cc (main): Call Incremental_input::report_inputs.
4094         * options.h (Input_argument_list): Typedef moved from
4095         Input_arguments.
4096         (Input_file_group::Files): Remove, use ::Input_argument_list.
4097         (Input_file_group::Input_argument_list): Remove, use
4098         ::Input_argument_list.
4099         * plugin.cc (Plugin_manager::add_input_file): Add error in
4100         incremental build.
4101         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
4102         functions.
4103         * script.cc (read_input_script): Call
4104         Incremental_input::report_script.
4105         * script.h (Script_info): New class.
4106
4107 2009-04-27  Ian Lance Taylor  <iant@google.com>
4108
4109         * x86_64.cc (do_adjust_output_section): Set entsize to
4110         plt_entry_size.
4111
4112 2009-04-23  Elliott Hughes  <enh@google.com>
4113
4114         * output.cc (Output_file::close): After short writes, continue
4115         writing from the correct offset in the buffer being written.
4116
4117 2009-04-23  Chris Demetriou  <cgd@google.com>
4118
4119         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
4120         * configure: Regenerate.
4121         * config.in: Regenerate.
4122         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
4123         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
4124
4125 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
4126
4127         * incremental.cc (Incremental_inputs_header_data): Renamed from
4128         Incremental_input_header_data.
4129         (Incremental_inputs_header_data::data_size): New field.
4130         (Incremental_inputs_header_data::put_input_file_count): Renamed
4131         from input_file_count.
4132         (Incremental_inputs_header_data::put_command_line_offset): Renamed
4133         from command_line_offset.
4134         (Incremental_inputs_header_data::put_reserved): Renamed from
4135         put_reserved.
4136         (Incremental_inputs_entry_data): Renamed from
4137         Incremental_input_entry_data.
4138         (Incremental_inputs_entry_data::data_size): New field.
4139         (Incremental_inputs::report_command_line): New method.
4140         (Incremental_inputs::finalize): New method.
4141         (Incremental_inputs::create_incremental_inputs_data): New method.
4142         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
4143         * incremental.h: New file.
4144         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
4145        (Layout::finalize): Create incremental inputs section in
4146         incremental builds.
4147        (Layout::create_incremental_info_sections): New method.
4148         * layout.h (Layout::incremental_inputs): New method.
4149        (Layout::create_incremental_info_sections): New method.
4150        (Layout::incremental_inputs_): New field.
4151         * main.cc (main): Notify Incremental_input of the command line.
4152
4153 2009-04-01  Ian Lance Taylor  <iant@google.com>
4154             Mikolaj Zalewski  <mikolajz@google.com>
4155
4156         * gold.h (reserve_unordered_map): Define, three versions, one for
4157         each version of Unordered_map.
4158         * layout.cc (Layout::Layout): Remove options parameter.  Add
4159         number_of_input_files parameter.  Don't initialize options_.
4160         Initialize number_of_input_files_ and resized_signatures_.  Move
4161         sections_are_attached_.
4162         (Layout::layout_group): Reserve space for group_signatures_.
4163         (Layout::find_or_add_kept_section): Change name parameter to be a
4164         reference.  Resize signatures_ map when it gets large enough.
4165         (Layout::layout_eh_frame): Use parameters->options() instead of
4166         this->options_.
4167         (Layout::make_output_section): Likewise.
4168         (Layout::attach_allocated_section_to_segment): Likewise.
4169         (Layout::finalize, Layout::create_executable_stack): Likewise.
4170         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
4171         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
4172         * layout.h (class Layout): Update declarations.  Remove options_
4173         field.  Add number_of_input_files_ and resized_signatures_
4174         fields.  Move sections_are_attached_ field.
4175         * main.cc (main): Pass number of input files to Layout
4176         constructor.  Don't pass options.
4177
4178 2009-03-30  Ian Lance Taylor  <iant@google.com>
4179
4180         * ffsll.c (ffsll): Correct implementation.
4181
4182 2009-03-27  Ian Lance Taylor  <iant@google.com>
4183
4184         * ffsll.c: New file.
4185         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
4186         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
4187         * ftruncate.c (ftruncate): Declare before definition.
4188         * mremap.c (mremap): Likewise.
4189         * pread.c (pread): Likewise.
4190         * configure, Makefile.in, config.in: Rebuild.
4191
4192         * mremap.c: New file.
4193         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
4194         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
4195         (mremap): Declare if HAVE_MREMAP is not defined.
4196         * configure, Makefile.in, config.in: Rebuild.
4197
4198 2009-03-27  Cary Coutant  <ccoutant@google.com>
4199
4200         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
4201         position independent.
4202         * sparc.cc (Target_sparc::check_non_pic): Likewise.
4203         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
4204
4205 2009-03-24  Cary Coutant  <ccoutant@google.com>
4206
4207         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
4208         an executable.
4209         (needs_dynamic_reloc): Likewise.
4210
4211 2009-03-24  Ian Lance Taylor  <iant@google.com>
4212
4213         * yyscript.y (file_cmd): Recognize EXTERN.
4214         (extern_name_list, extern_name_list_body): New nonterminals.
4215         * script.cc (script_add_extern): Define.
4216         * script-c.h (script_add_extern): Declare.
4217
4218 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
4219
4220         * object.cc (is_elf_object): Define.
4221         * object.h (is_elf_object): Declare.
4222         * archive.cc (Archive::get_elf_object_for_member): Call
4223         is_elf_object.
4224         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
4225
4226 2009-03-24  Elliott Hughes  <enh@google.com>
4227
4228         * output.cc (Output_file::map_anonymous): Define.
4229         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
4230         try an anonymous one.  Report the size if the mmap fails.
4231         * output.h (class Output_file): Declare map_anonymous.
4232
4233 2009-03-24  Ian Lance Taylor  <iant@google.com>
4234
4235         * target-select.cc (instantiate_target): Don't acquire the lock if
4236         the instantiated_target_ field has already been set.
4237
4238 2009-03-23  Ian Lance Taylor  <iant@google.com>
4239
4240         * gold-threads.h (class Initialize_lock): Define.
4241         * gold-threads.cc (class Initialize_lock_once): Define.
4242         (initialize_lock_control): New static variable.
4243         (initialize_lock_pointer): New static variable.
4244         (initialize_lock_once): New static function.
4245         (Initialize_lock::Initialize_lock): Define.
4246         (Initialize_lock::initialize): Define.
4247         * target-select.h: Include "gold-threads.h".
4248         (class Target_selector): Add lock_ and initialize_lock_ fields.
4249         Don't define instantiate_target, just declare it.
4250         * target-select.cc (Target_selector::Target_selector): Initialize
4251         new fields.
4252         (Target_selector::instantiate_target): Define.
4253         * descriptors.h: Include "gold-threads.h".
4254         (class Descriptors): Add initialize_lock_ field.
4255         * descriptors.cc (Descriptors::Descriptors): Initialize new
4256         field.
4257         (Descriptors::open): Use initialize_lock_ field
4258         * errors.h (class Errors): Add initialize_lock_ field.
4259         * errors.cc (Errors::Errors): Initialize new field.
4260         (Errors::initialize_lock): Use initialize_lock_ field.
4261         * powerpc.cc (class Target_selector_powerpc): Remove
4262         instantiated_target_ field.  In do_recognize call
4263         instantiate_target rather than do_instantiate_target.  In
4264         do_instantiate_target just allocate a new target.
4265         * sparc.cc (class Target_selector_sparc): Likewise.
4266
4267         * freebsd.h: New file.
4268         * i386.cc: Include "freebsd.h".
4269         (Target_i386): Derive from Target_freebsd rather than
4270         Sized_target.
4271         (Target_selector_i386): Derive from Target_selector_freebsd rather
4272         than Target_selector.
4273         * x86_64.cc: Include "freebsd.h".
4274         (Target_x86_64): Derive from Target_freebsd rather than
4275         Sized_target.
4276         (Target_selector_x86_64): Derive from Target_selector_freebsd
4277         rather than Target_selector.
4278         * target.h (class Target): Add adjust_elf_header and
4279         do_adjust_elf_header.
4280         * output.cc (Output_file_header:: do_sized_write): Call target
4281         adjust_elf_header routine.
4282         * configure.tgt: Set targ_osabi.
4283         * configure.ac: Define GOLD_DEFAULT_OSABI.
4284         * parameters.cc (Parameters::default_target): Pass
4285         GOLD_DEFAULT_OSABI to select_target.
4286         * target-select.h (class Target_selector): Make instantiate_target
4287         protected rather than private.
4288         * Makefile.am (HFILES): Add freebsd.h.
4289         * configure, Makefile.in, config.in: Rebuild.
4290
4291         * merge.cc (do_add_input_section): Correct pend value.  Change
4292         message about last entry not being null terminated from error to
4293         warning.
4294
4295 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
4296
4297         * incremental.cc: New file.
4298         * Makefile.am (CCFILES): Add incremental.cc.
4299         * Makefile.in: Rebuild.
4300
4301 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
4302
4303         * layout.cc (Layout::output_section_name): Preserve names
4304         of '.note.' sections.
4305         
4306 2009-03-19  Ian Lance Taylor  <iant@google.com>
4307
4308         * descriptors.cc (Descriptors::open): Check that the options are
4309         valid before using them.
4310
4311 2009-03-18  Ian Lance Taylor  <iant@google.com>
4312
4313         * script-sections.h: Include <list>.
4314         (class Script_sections): Change Sections_elements from std::vector
4315         to std::list.  Typedef public Elements_iterator.  Add
4316         orphan_section_placement_, data_segment_align_start_, and
4317         saw_data_segment_align_ fields.  Remove data_segment_align_index_
4318         field.
4319         * script-sections.cc (class Orphan_section_placement): New class.
4320         (class Sections_element): Add virtual functions is_relro and
4321         orphan_section_init.  Remove virtual function place_orphan_here.
4322         (class Output_section_definition): Add is_relro and
4323         orphan_section_init.  Remove place_orphan_here.
4324         (class Orphan_output_section): Likewise.
4325         (Script_sections::Script_sections): Update for field changes.
4326         (Script_sections::data_segment_align): Set saw_data_segment_align_
4327         and data_segment_align_start_, not data_segment_align_index.
4328         (Script_sections::data_segment_relro_end): Check
4329         saw_data_segment_align_.  Use data_segment_align_start_ rather
4330         than data_segment_align_index_.
4331         (Script_sections::place_orphan): Rewrite to use
4332         Orphan_section_placement.
4333
4334 2009-03-17  Ian Lance Taylor  <iant@google.com>
4335
4336         * archive.cc (Archive::add_symbols): Check for a version attached
4337         to the symbol name in the archive map.
4338         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
4339         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
4340         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
4341         (ver_test_11.a): New target.
4342         * testsuite/Makefile.in: Rebuild.
4343
4344         * configure.ac: Check for chsize and posix_fallocate.  Replace
4345         ftruncate.
4346         * ftruncate.c: New file, from gnulib.
4347         * output.cc (posix_fallocate): Define dummy version if not
4348         HAVE_POSIX_FALLOCATE.
4349         (Output_file::map): Call posix_fallocate rather than lseek and
4350         write.
4351         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
4352         * configure, Makefile.in, config.in: Rebuild.
4353
4354 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
4355         
4356         * layout.h (Layout::create_note): Add section_name parameter.
4357         * layout.cc (Layout::create_note): Likewise.
4358         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
4359         
4360 2009-03-17  Ian Lance Taylor  <iant@google.com>
4361
4362         * descriptors.cc: Include "options.h".
4363         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
4364         (Descriptors::open): Always use O_CLOEXEC when opening a new
4365         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
4366         then set FD_CLOEXEC.
4367
4368         * sparc.cc (class Target_sparc): Add has_got_section.
4369         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
4370         make sure we have a GOT section.
4371
4372         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
4373         (Target_sparc::Scan::local): Likewise.
4374         (Target_sparc::Scan::global): Likewise.
4375         (Target_sparc::Relocate::relocate): Likewise.
4376         (Target_sparc::Relocate::relocate_tls): Likewise.
4377
4378         * symtab.cc (Symbol_table::define_default_version): New function,
4379         broken out of add_from_object.
4380         (Symbol_table::add_from_object): Call define_default_version.
4381         (Symbol_table::define_special_symbol): Add resolve_oldsym
4382         parameter.  Change all callers.  If the version for a symbol comes
4383         from a version script, resolve it with the symbol with the same
4384         name with no version.  Also add the symbol without a version if
4385         appropriate.
4386         (do_define_in_output_data): If resolving with oldsym, don't delete
4387         sym.
4388         (do_define_in_output_segment): Likewise.
4389         (do_define_as_constant): Likewise.
4390         * symtab.h (class Symbol_table): Update declarations.
4391
4392 2009-03-13  Ian Lance Taylor  <iant@google.com>
4393
4394         * readsyms.cc (Read_symbols::incompatible_warning): New function.
4395         (Read_symbols::requeue): New function.
4396         (Read_symbols::do_read_symbols): If make_elf_object fails because
4397         the target type is not configured, and the file was searched for,
4398         issue a warning and retry with the next directory.
4399         (Add_symbols::run): If the file has an incompatible format, and
4400         it was searched for, requeue the Read_symbols task.  On error,
4401         release the object.
4402         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
4403         dirindex parameter to constructor.  Change all callers.  Declare
4404         incompatible_warning and requeue.
4405         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
4406         input_argument_ and input_group_ fields.  Add them to
4407         constructor.  Change all callers.
4408         (class Read_script): Add dirindex_ field.  Add it to constructor.
4409         Change all callers.
4410         * archive.cc (Archive::setup): Remove input_objects parameter.
4411         Change all callers.
4412         (Archive::get_file_and_offset): Likewise.
4413         (Archive::read_all_symbols): Likewise.
4414         (Archive::read_symbols): Likewise.
4415         (Archive::get_elf_object_for_member): Remove input_objects
4416         parameter.  Add punconfigured parameter.  Change all callers.
4417         (Archive::add_symbols): Change return type to bool.  Check return
4418         value of include_member.
4419         (Archive::include_all_members): Likewise.
4420         (Archive::include_member): Change return type to bool.  Return
4421         false if first included object has incompatible target.  Set
4422         included_member_ field.
4423         (Add_archive_symbols::run): If add_symbols returns false, requeue
4424         Read_symbols task.
4425         * archive.h (class Archive): Add included_member_ field.
4426         Initialize it in constructor.  Add input_file and searched_for
4427         methods.  Update declarations.
4428         (class Add_archive_symbols): Add dirpath_, dirindex_, and
4429         input_argument_ fields.  Add them to constructor.  Change all
4430         callers.
4431         * script.cc: Include "target-select.h".
4432         (class Parser_closure): Add skip_on_incompatible_target_ and
4433         found_incompatible_target_ fields.  Add
4434         skip_on_incompatible_target parameter to constructor.  Change all
4435         callers.  Add methods skip_on_incompatible_target,
4436         clear_skip_on_incompatible_target, found_incompatible_target, and
4437         set_found_incompatible_target.
4438         (read_input_script): Add dirindex parameter.  Change all callers.
4439         If parser finds an incompatible target, requeue Read_symbols
4440         task.
4441         (script_set_symbol): Clear skip_on_incompatible_target in
4442         closure.
4443         (script_add_assertion, script_parse_option): Likewise.
4444         (script_start_sections, script_add_phdr): Likewise.
4445         (script_check_output_format): New function.
4446         * script.h (read_input_script): Update declaration.
4447         * script-c.h (script_check_output_format): Declare.
4448         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
4449         (ignore_cmd): Remove OUTPUT_FORMAT.
4450         * fileread.cc (Input_file::Input_file): Add explicit this.
4451         (Input_file::will_search_for): New function.
4452         (Input_file::open): Add pindex parameter.  Change all callers.
4453         * fileread.h (class Input_file): Add input_file_argument method.
4454         Declare will_search_for.  Update declarations.
4455         * object.cc (make_elf_object): Add punconfigured parameter.
4456         Change all callers.
4457         * object.h (class Object): Make input_file public.  Add
4458         searched_for method.
4459         (make_elf_object): Update declaration.
4460         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
4461         restart search.
4462         * dirsearch.h (class Dirsearch): Update declaration.
4463         * options.h (class General_options): Add --warn-search-mismatch.
4464         * parameters.cc (Parameters::is_compatible_target): New function.
4465         * parameters.h (class Parameters): Declare is_compatible_target.
4466         * workqueue.cc (Workqueue::add_blocker): New function.
4467         * workqueue.h (class Workqueue): Declare add_blocker.
4468
4469         * fileread.cc (Input_file::open): Remove options parameter.
4470         Change all callers.
4471         (Input_file::open_binary): Likewise.
4472         * script.cc (read_input_script): Likewise.
4473         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
4474         options parameter from constructor.  Change all callers.
4475         (class Read_script): Likewise.
4476         * fileread.h (class Input_file): Update declarations.
4477         * script.h (read_input_script): Update declaration.
4478
4479 2009-03-10  Nick Clifton  <nickc@redhat.com>
4480
4481         * po/es.po: New Spanish translation.
4482
4483 2009-03-06  Cary Coutant  <ccoutant@google.com>
4484
4485         * options.cc (parse_short_option): Keep dash_z from registering itself.
4486
4487 2009-03-03  Ian Lance Taylor  <iant@google.com>
4488
4489         PR 9918
4490         * target-reloc.h (relocate_section): Pass output_section to
4491         relocate.
4492         * i386.cc (Target_i386::should_apply_static_reloc): Add
4493         output_section parameter.  Change all callers.
4494         (Target_i386::Relocate::relocate): Add output_section parameter.
4495         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
4496         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
4497         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
4498         * testsuite/two_file_shared.sh: New script.
4499         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
4500         (check_DATA): Add two_file_shared.dbg.
4501         (two_file_shared.dbg): New target.
4502         * testsuite/Makefile.in: Rebuild.
4503
4504 2009-03-01  Ian Lance Taylor  <iant@google.com>
4505
4506         * configure.ac: Check for byteswap.h.
4507         * configure: Rebuild.
4508         * config.in: Rebuild.
4509
4510 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
4511
4512         * layout.cc (Layout::find_or_add_kept_section): New function.
4513         (Layout::add_comdat): Removed.
4514         * layout.h (struct Kept_section): Move out of class Layout.
4515         Remove trailing underscores from field names.  Add group_sections
4516         field.  Rename group_ field to is_group.  Change all uses.
4517         (class Layout): Declare find_or_add_kept_section, not add_comdat.
4518         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
4519         comdat_groups_ field.
4520         (Sized_relobj::include_section_group): Use
4521         find_or_add_kept_section and Kept_section::group_sections.
4522         (Sized_relobj::include_linkonce_section): Likewise.
4523         * object.cc (class Sized_relobj): Don't define Comdat_group or
4524         Comdat_group_table.  Remove find_comdat_group and
4525         add_comdat_group.  Remove comdat_groups_ field.
4526         * plugin.cc (include_comdat_group): Use
4527         Layout::find_or_add_kept_section.
4528
4529 2009-02-28  Ian Lance Taylor  <iant@google.com>
4530
4531         * README: --gc-sections and map files are now supported.  Document
4532         some build requirements.
4533
4534         PR 6992
4535         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
4536         relocatable link set the value of the section symbol to zero.
4537         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
4538         relocatable link don't include the section address in the local
4539         symbol value.
4540
4541 2009-02-27  Ian Lance Taylor  <iant@google.com>
4542
4543         PR 6811
4544         * options.h (class Search_directory): Add is_system_directory.
4545         (class General_options): Declare is_in_system_directory.
4546         * options.cc (get_relative_sysroot): Make static.
4547         (get_default_sysroot): Make static.
4548         (General_optoins::is_in_system_directory): New function.
4549         * fileread.cc (Input_file::is_in_system_directory): New function.
4550         * fileread.h (class Input_file): Declare is_in_system_directory.
4551         * object.h (class Object): Add is_in_system_directory.
4552         (class Input_objects): Remove system_library_directory_ field.
4553         * object.cc (Input_objects::add_object): Don't set
4554         system_library_directory_.
4555         (input_objects::found_in_system_library_directory): Remove.
4556         * symtab.cc (Symbol_table::write_globals): Remove input_objects
4557         parameter.  Change all callers.
4558         (Symbol_table::sized_write_globals): Likewise.
4559         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
4560         Call Object::is_in_system_directory.
4561         * symtab.h (class Symbol_table): Update declarations.
4562
4563         PR 5990
4564         * descriptors.h (Open_descriptor): Add is_on_stack field.
4565         * descriptors.cc (Descriptors::open): If the descriptor is on the
4566         top of the stack, remove it.  Initialize is_on_stack field.
4567         (Descriptors::release): Only add pod to stack if it is not on the
4568         stack already.
4569         (Descriptors::close_some_descriptor): Clear stack_next and
4570         is_on_stack fields.
4571
4572         PR 7091
4573         * output.cc (Output_section::find_starting_output_address): Rename
4574         from starting_output_address; add PADDR parameter; change return
4575         type.
4576         * output.h (class Output_section): Declare
4577         find_starting_output_address instead of starting_output_address.
4578         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
4579         section symbol for which we can't find a merge section.
4580
4581         PR 9836
4582         * symtab.cc (Symbol_table::add_from_object): If the visibility is
4583         hidden or internal, force the symbol to be local.
4584         * resolve.cc (Symbol::override_visibility): Define.
4585         (Symbol::override_base): Use override_visibility.
4586         (Symbol_table::resolve): Likewise.
4587         (Symbol::override_base_with_special): Likewise.
4588         (Symbol_table::override_with_special): If the visibility is hidden
4589         or internal, force the symbol to be local.
4590         * symtab.h (class Symbol): Add set_visibility and
4591         override_visibility.
4592         * testsuite/ver_test_1.sh: New file.
4593         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
4594         (check_DATA): Add ver_test_1.syms.
4595         (ver_test_1.syms): New target.
4596         * testsuite/Makefile.in: Rebuild.
4597
4598 2009-02-25  Cary Coutant  <ccoutant@google.com>
4599
4600         * layout.cc (Layout::choose_output_section): Don't rename sections
4601         when using a linker script that has a SECTIONS clause.
4602         * Makefile.in: Regenerate.
4603
4604         * testsuite/Makefile.am (script_test_5.sh): New test case.
4605         * testsuite/Makefile.in: Regenerate.
4606         * testsuite/script_test_5.cc: New file.
4607         * testsuite/script_test_5.sh: New file.
4608         * testsuite/script_test_5.t: New file.
4609
4610 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
4611
4612         * archive.cc (Archive::include_member): Update calls to add_symbols.
4613         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
4614         the Layout argument.
4615         * dynobj.h (do_add_symbols): Add the Layout argument.
4616         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
4617         Layout argument.
4618         * object.h (Object::add_symbols): Add the Layout argument.
4619         (Object::do_add_symbols): Add the Layout argument.
4620         (Sized_relobj::do_add_symbols): Add the Layout argument.
4621         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
4622         Unify the two versions.
4623         (Add_plugin_symbols): Remove.
4624         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
4625         (Sized_pluginobj::do_add_symbols): Unify the two versions.
4626         (Add_plugin_symbols): Remove.
4627         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
4628         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
4629         (Add_symbols::run): Make it work with Pulginobj.
4630
4631 2009-02-06  Ian Lance Taylor  <iant@google.com>
4632
4633         * object.cc (Sized_relobj::do_layout): Make info message start
4634         with lower case letter.
4635
4636 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
4637
4638         * binary.cc: Fix file comment.
4639
4640         * options.h (enum Incremental_disposition): Define.
4641         (class General_options): Add new options: --incremental,
4642         --incremental_changed, --incremental_unchanged,
4643         --incremental_unknown.  Add incremental_disposition_ and
4644         implicit_incremental_ fields.
4645         (General_options::incremental_disposition): New function.
4646         (class Position_dependent_options): Add incremental_disposition
4647         option.
4648         (Position_dependent_options::copy_from_options): Set incremental
4649         dispositions.
4650         * options.cc (General_options::parse_incremental_changed): New
4651         function.
4652         (General_options::parse_incremental_unchanged): New function.
4653         (General_options::parse_incremental_unknown): New function.
4654         (General_options::General_options): Initialize new fields
4655         incremental_disposition_ and implicit_incremental_.
4656         (General_options::finalize): Check for uasge of --incremental-*
4657         without --incremental.
4658
4659 2009-02-06  Chris Demetriou  <cgd@google.com>
4660
4661         * gold.h (gold_undefined_symbol): Change to take only a Symbol
4662         pointer and to report location as the file name associated with
4663         the symbol.
4664         (gold_undefined_symbol_at_location): New function to replace the
4665         old gold_undefined_symbol functionality.
4666         * target-reloc.h (relocate_section): Update to use
4667         gold_undefined_symbol_at_location.
4668         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
4669         Call gold_undefined_symbol function rather than gold_error.
4670         * errors.h (Errors::undefined_symbol): Take location as a
4671         string, rather than calculating it from a relocation.
4672         * errors.cc (Errors::fatal): Print "fatal error:" before the
4673         formatted message.
4674         (Errors::error, Errors::error_at_location): Print "error: "
4675         before the formatted message.
4676         (Errors::undefined_symbol): Take location as a string, rather
4677         than calculating it from a relocation.
4678         (gold_undefined_symbol_at_location): New function akin to
4679         old gold_undefined_symbol, calculates location from relocation.
4680         (gold_undefined_symbol): Change to take only a Symbol pointer
4681         and to report location as the file name associated with the symbol.
4682         * testsuite/debug_msg.sh: Update for changed error messages.
4683         * testsuite/undef_symbol.sh: Likewise.
4684
4685 2009-02-04  Duncan Sands  <baldrick@free.fr>
4686
4687         PR 9812
4688         * reduced_debug_output.h
4689         (Output_reduced_debug_abbrev_section::failed): Use format for
4690         gold_warning.
4691         (Output_reduced_debug_info_section::faild): Likewise.
4692
4693 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
4694
4695         * script.cc (Lazy_demangler): New class.
4696         (Version_script_info::get_symbol_version_helper): Demangle a
4697         symbol only once.
4698
4699 2009-01-29  Cary Coutant  <ccoutant@google.com>
4700
4701         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
4702         to __tls_get_addr.
4703         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
4704
4705 2009-01-28  Ian Lance Taylor  <iant@google.com>
4706
4707         * version.cc (version_string): Bump to 1.9.
4708
4709         * gold.h: Include <cstring> and <stdint.h>.
4710         * version.cc: Include <cstdio>.
4711         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
4712         warning.
4713         * reduced_debug_output.cc (insert_into_vector): Rename from
4714         Insert_into_vector; change all callers.  Use Swap_unaligned to
4715         avoid aliasing issue; remove union since it is unnecessary.
4716
4717 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
4718
4719         * Makefile.am (CCFILES): Add gc.cc.
4720         (HFILES): Add gc.h.
4721         * Makefile.in: Regenerate.
4722         * gold.cc (Gc_runner): New class.
4723         (queue_initial_tasks): Call garbage collection related tasks
4724         when corresponding options are invoked.
4725         (queue_middle_gc_tasks): New function.
4726         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
4727         processed early before laying out sections during garbage collection.
4728         * gold.h (queue_middle_gc_tasks): New function.
4729         (is_prefix_of): Move from "layout.cc".
4730         * i386.cc (Target_i386::gc_process_relocs): New function.
4731         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
4732         * main.cc (main): Create object of class "Garbage_collection".
4733         * object.cc (Relobj::copy_symbols_data): New function.
4734         (Relobj::is_section_name_included): New function.
4735         (Sized_relobj::do_layout): Allow this function to be called twice 
4736         during garbage collection and defer layout of section during the 
4737         first call.
4738         * object.h (Relobj::get_symbols_data): New function.
4739         (Relobj::is_section_name_included): New function.
4740         (Relobj::copy_symbols_data): New function.
4741         (Relobj::set_symbols_data): New function.
4742         (Relobj::get_relocs_data): New function.
4743         (Relobj::set_relocs_data): New function.
4744         (Relobj::is_output_section_offset_invalid): New pure virtual function.
4745         (Relobj::gc_process_relocs): New function.
4746         (Relobj::do_gc_process_relocs): New pure virtual function.
4747         (Relobj::sd_): New data member.
4748         (Sized_relobj::is_output_section_offset_invalid): New function.
4749         (Sized_relobj::do_gc_process_relocs): New function.
4750         * options.h (General_options::gc_sections): Modify to not be a no-op.
4751         (General_options::print_gc_sections): New option.
4752         * plugin.cc (Plugin_finish::run): Remove function call to
4753         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
4754         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
4755         * reloc.cc (Read_relocs::run): Add task to process relocs and
4756         determine unreferenced sections when doing garbage collection.
4757         (Gc_process_relocs): New class.
4758         (Sized_relobj::do_gc_process_relocs): New function.
4759         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
4760         sections that are garbage collected.
4761         * reloc.h (Gc_process_relocs): New class.
4762         * sparc.cc (Target_sparc::gc_process_relocs): New function.
4763         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
4764         symbols whose corresponding sections are garbage collected.
4765         (Symbol_table::Symbol_table): Add new parameter for the garbage
4766         collection object.
4767         (Symbol_table::gc_mark_undef_symbols): New function.
4768         (Symbol_table::gc_mark_symbol_for_shlib): New function.
4769         (Symbol_table::gc_mark_dyn_syms): New function.
4770         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
4771         as garbage.
4772         (Symbol_table::add_from_object): Likewise.
4773         (Symbol_table::add_from_relobj): When building shared objects, do not
4774         treat externally visible symbols as garbage.
4775         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
4776         table information for static and relocatable links.
4777         * symtab.h (Symbol_table::set_gc): New function.
4778         (Symbol_table::gc): New function.
4779         (Symbol_table::gc_mark_undef_symbols): New function.
4780         (Symbol_table::gc_mark_symbol_for_shlib): New function.
4781         (Symbol_table::gc_mark_dyn_syms): New function.
4782         (Symbol_table::gc_): New data member.
4783         * target.h (Sized_target::gc_process_relocs): New pure virtual 
4784         function.
4785         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
4786         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
4787
4788 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
4789
4790         * options.h (General_options::gc_sections): Define as a no-op for now.
4791         (General_options::no_keep_memory): Ditto.
4792         (General_options::Bshareable): Define.
4793         * options.cc (General_options::finalize): Honor -Bshareable.
4794
4795 2009-01-20  Andreas Schwab  <schwab@suse.de>
4796
4797         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
4798         read the value in the contents, since we don't use it.  Use the
4799         template endianness when writing.
4800         (Relocate::relocate): Use it for R_PPC_REL16_HA.
4801
4802 2009-01-19  Andreas Schwab  <schwab@suse.de>
4803
4804         * configure.tgt (powerpc64-*): Fix targ_obj.
4805
4806 2009-01-15  Ian Lance Taylor  <iant@google.com>
4807
4808         * object.cc (Sized_relobj::write_local_symbols): Don't write out
4809         local symbols when stripping all symbols.
4810
4811 2009-01-14  Cary Coutant  <ccoutant@google.com>
4812
4813         * output.cc (Output_reloc): Add explicit instantiations.
4814
4815 2009-01-14  Cary Coutant  <ccoutant@google.com>
4816
4817         * archive.cc (Archive::get_elf_object_for_member): Remove call
4818         to File_read::claim_for_plugin.
4819         * descriptors.cc (Descriptors::open): Remove reference to
4820         is_claimed.
4821         (Descriptors::claim_for_plugin): Remove.
4822         * descriptors.h (Descriptors::claim_for_plugin): Remove.
4823         (Descriptors::is_claimed): Remove.
4824         (claim_descriptor_for_plugin): Remove.
4825         * fileread.cc (File_read::claim_for_plugin): Remove.
4826         * fileread.h (File_read::claim_for_plugin): Remove.
4827         (File_read::descriptor): Reopen descriptor if necessary.
4828         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
4829         (Plugin_manager::all_symbols_read): Add task parameter. Change
4830         all callers.
4831         (Plugin_manager::get_input_file): New function.
4832         (Plugin_manager::release_input_file): New function.
4833         (Pluginobj::Pluginobj): Add filesize parameter and initialize
4834         corresponding data member.
4835         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
4836         and pass to base constructor. Change all callers.
4837         (get_input_file, release_input_file): New functions.
4838         (make_sized_plugin_object): Add filesize parameter. Change all callers.
4839         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
4840         (Plugin_manager::all_symbols_read): Add task parameter.
4841         (Plugin_manager::get_input_file): New function.
4842         (Plugin_manager::release_input_file): New function.
4843         (Plugin_manager::task_): New data member.
4844         (Pluginobj::Pluginobj): Add filesize parameter.
4845         (Pluginobj::filename): New function.
4846         (Pluginobj::descriptor): New function.
4847         (Pluginobj::filesize): New function.
4848         (Pluginobj::filesize_): New data member.
4849         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
4850         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
4851         File_read::claim_for_plugin; use Object::unlock to unlock the file.
4852
4853         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
4854         with archive libraries.
4855         * testsuite/Makefile.in: Regenerate.
4856         * testsuite/plugin_test.c (struct sym_info): New type.
4857         (get_input_file, release_input_file): New static variables.
4858         (onload): Capture new transfer vector entries.
4859         (claim_file_hook): Stop reading at end of file according to filesize.
4860         Factor out parsing of readelf output into separate function.
4861         (all_symbols_read_hook): Exercise get_input_file and release_input_file
4862         APIs and get the source file name from the symbol table.  Convert
4863         source file name to corresponding object file name.  Print info
4864         message when adding new input files.
4865         (parse_readelf_line): New function.
4866         * testsuite/plugin_test_1.sh: Add checks for new info messages.
4867         * testsuite/plugin_test_2.sh: Likewise.
4868         * testsuite/plugin_test_3.sh: Likewise.
4869         * testsuite/plugin_test_4.sh: New test case.
4870
4871 2009-01-07  Ian Lance Taylor  <iant@google.com>
4872
4873         * version.cc (version_string): Bump to 1.8.
4874
4875 2008-12-23  Cary Coutant  <ccoutant@google.com>
4876
4877         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
4878         * plugin.cc (Plugin_manager::finish): Rename as
4879         layout_deferred_objects.  Move cleanup to separate function.
4880         (Plugin_manager::cleanup): New function.
4881         (Plugin_finish::run): Call layout_deferred_objects and cleanup
4882         separately.
4883         * plugin.h (Plugin_manager::finish): Rename as
4884         layout_deferred_objects.
4885         (Plugin_manager::cleanup): New function.
4886         (Plugin_manager::cleanup_done): New field.
4887
4888 2008-12-23  Cary Coutant  <ccoutant@google.com>
4889
4890         * plugin.cc (is_visible_from_outside): New function.
4891         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
4892         so we don't return "IR only" status for exported symbols or -r links.
4893
4894         * testsuite/Makefile.am (plugin_test_3): New test case.
4895         * testsuite/Makefile.in: Regenerate.
4896         * testsuite/plugin_test_3.sh: New file.
4897
4898 2008-12-22  Cary Coutant  <ccoutant@google.com>
4899
4900         * object.cc (Sized_relobj::layout_section): New function.
4901         (Sized_relobj::do_layout): Defer layout of input sections until after
4902         plugin has provided replacement files.
4903         (Sized_relobj::do_layout_deferred_sections): New function.
4904         * object.h (Relobj::set_section_offset): Remove virtual keyword.
4905         (Relobj::layout_deferred_sections): New function.
4906         (Relobj::do_layout_deferred_sections): New function.
4907         (Sized_relobj::do_layout_deferred_sections): New function.
4908         (Sized_relobj::layout_section): New function.
4909         (Sized_relobj::Deferred_layout): New structure.
4910         (Sized_relobj::deferred_layout_): New field.
4911         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
4912         Change all callers.  Layout deferred sections.
4913         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
4914         references.
4915         (Plugin_hook::run): Move code from do_plugin_hook inline.
4916         (Plugin_hook::do_plugin_hook): Remove.
4917         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
4918         (Plugin_manager::finish): Renamed, was cleanup.
4919         (Plugin_manager::should_defer_layout): New function.
4920         (Plugin_manager::add_deferred_layout_object): New function.
4921         (Plugin_manager::Deferred_layout_list): New type.
4922         (Plugin_manager::deferred_layout_objects_): New field.
4923         (Plugin_hook::do_plugin_hook): Remove.
4924
4925 2008-12-17  Ian Lance Taylor  <iant@google.com>
4926
4927         * options.h (class General_options): Add --no case for
4928         --export-dynamic.
4929
4930 2008-12-16  Cary Coutant  <ccoutant@google.com>
4931
4932         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
4933         vector.
4934         (Plugin_manager::claim_file): Create plugin object even if
4935         plugin did not call the add_symbols callback.
4936         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
4937         asking for more symbols than were added.
4938         * testsuite/Makefile.am (plugin_test_1): Add test case with
4939         no global symbols.
4940         (empty.syms): New target.
4941         * testsuite/Makefile.in: Regenerate.
4942         * testsuite/plugin_test.c (claim_file_hook): Add new debug
4943         message. Don't call add_symbols if no globals.
4944         (all_symbols_read_hook): Don't provide replacement for empty
4945         claimed file.
4946
4947 2008-12-12  Ian Lance Taylor  <iant@google.com>
4948
4949         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
4950         r_type == 0 for a local symbol with r_sym == 0.
4951         (scan_relocatable_relocs): Pass r_sym to
4952         local_non_section_strategy.
4953         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
4954         r_sym parameter.
4955
4956         * configure.ac: Update test for TLS descriptors: they are
4957         supported as of glibc 2.9.
4958         * configure: Rebuild.
4959
4960 2008-12-11  Ian Lance Taylor  <iant@google.com>
4961
4962         PR 7091
4963         * target-reloc.h (Default_scan_relocatable_relocs): For each
4964         function, map r_type == 0 to RELOC_DISCARD.
4965
4966 2008-12-10  Cary Coutant  <ccoutant@google.com>
4967
4968         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
4969         object to override a kept COMDAT group from a plugin object.
4970
4971 2008-12-09  Ian Lance Taylor  <iant@google.com>
4972
4973         PR 7088
4974         * yyscript.y (file_cmd): Handle INPUT.
4975
4976         * testsuite/initpri1.c: Change all declarations to be full
4977         prototypes by adding void, to avoid compiler warnings.
4978
4979 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
4980
4981         * options.cc (General_options::parse_plugin_opt): New.
4982         (General_options::add_plugin): The argument now is just the filename.
4983         (General_options::add_plugin_option): New.
4984         * options.h (plugin_opt): New.
4985         (add_plugin): Change argument name.
4986         (add_plugin_option): New.
4987         * plugin.cc (Plugin::load): Don't parse the plugin option.
4988         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
4989         (Plugin::add_option): New.
4990         (Plugin::args_): Change type.
4991         (Plugin::filename_): New.
4992         (Plugin_manager::add_plugin_option): New.
4993         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
4994         * testsuite/Makefile.in: Regenerate.
4995
4996 2008-12-05  Cary Coutant  <ccoutant@google.com>
4997
4998         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
4999         Handle --strip-lto-sections option.
5000         * options.h (strip_lto_sections): New option.
5001
5002 2008-12-01  Cary Coutant  <ccoutant@google.com>
5003
5004         * plugin.cc (ld_plugin_message): Change format parameter to const.
5005         Fix mismatch between new[] and delete.
5006
5007 2008-11-14  Cary Coutant  <ccoutant@google.com>
5008
5009         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
5010         instead of -1U.
5011
5012 2008-11-05  Craig Silverstein  <csilvers@google.com>
5013
5014         * options.cc (General_options::parse_dynamic_list): New function.
5015         * options.h (General_options): New flags dynamic_list,
5016         dynamic_list_data, dynamic_list_cpp_new, and
5017         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
5018         (General_options::in_dynamic_list): New function.
5019         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
5020         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
5021         (Lex::can_continue_name): Likewise.
5022         (yylex): Likewise.
5023         (read_script_file): New parameter script_options.
5024         (read_dynamic_list): New function.
5025         (Script_options::define_dynamic_list): New function.
5026         (dynamic_list_keyword_parsecodes): New variable.
5027         (dynamic_list_keywords): New variable.
5028         * script.h (Script_options::define_dynamic_list): New function
5029         prototype.
5030         (read_dynamic_list): New function prototype.
5031         * symtab.cc (strprefix): New macro.
5032         (Symbol::should_add_dynsym_entry): Support dynamic_list,
5033         dynamic_list_data, dynamic_list_cpp_new, and
5034         dynamic_list_cpp_typeinfo.
5035         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
5036         (dynamic_list_expr): New rule.
5037         (dynamic_list_nodes): Likewise.
5038         (dynamic_list_node): Likewise.
5039         * testsuite/Makefile.am (dynamic_list): New test.
5040         * testsuite/Makefile.in: Regenerated.
5041         * testsuite/dynamic_list.t: New file.
5042         * testsuite/dynamic_list.sh: New file.
5043
5044 2008-11-05  Craig Silverstein  <csilvers@google.com>
5045
5046         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
5047         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
5048         (t11_last): Likewise.
5049         * testsuite/ver_test_6.c (main): Likewise.
5050
5051 2008-10-07  Cary Coutant  <ccoutant@google.com>
5052
5053         * options.c (General_options::finalize): Add check for -static and
5054         -shared.
5055         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
5056         is not empty.
5057
5058 2008-10-02  Cary Coutant  <ccoutant@google.com>
5059
5060         * plugin.cc (make_sized_plugin_object): Fix conditional
5061         compilation to work when not all targets are enabled.
5062
5063 2008-09-29  Cary Coutant  <ccoutant@google.com>
5064
5065         * archive.cc (Archive::get_file_and_offset): Use filename instead
5066         of name to get library path.
5067         (Archive::include_member): Unlock external member of a thin archive.
5068
5069         * testsuite/Makefile.am (TEST_AR): New variable.
5070         (thin_archive_test_1): New test.
5071         (thin_archive_test_2): New test.
5072         * testsuite/Makefile.in: Regenerate.
5073         * testsuite/thin_archive_main.cc: New file.
5074         * testsuite/thin_archive_test_1.cc: New file.
5075         * testsuite/thin_archive_test_2.cc: New file.
5076         * testsuite/thin_archive_test_3.cc: New file.
5077         * testsuite/thin_archive_test_4.cc: New file.
5078
5079 2008-09-29  Cary Coutant  <ccoutant@google.com>
5080
5081         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
5082         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
5083         instead of -1U.
5084         (Sized_relobj::do_finalize_local_symbols): Likewise.
5085         (Sized_relobj::map_to_kept_section): Likewise.
5086         * object.h (Sized_relobj::invalid_address): New constant.
5087         (Sized_relobj::do_output_section_offset): Check for invalid_address
5088         and return -1ULL.
5089         * output.cc (Output_reloc::local_section_offset): Use constant
5090         invalid_address instead of -1U.
5091         (Output_reloc::get_address): Likewise.
5092         (Output_section::output_address): Change -1U to -1ULL.
5093         * output.h (Output_reloc::invalid_address): New constant.
5094         * reloc.cc (Sized_relobj::write_sections): Use constant
5095         invalid_address instead of -1U.
5096         (Sized_relobj::relocate_sections): Likewise.
5097         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
5098         values for merge sections.
5099         * target-reloc.h (relocate_for_relocatable): Use constant
5100         invalid_address instead of -1U.
5101
5102 2008-09-19  Cary Coutant  <ccoutant@google.com>
5103
5104         Add plugin functionality for link-time optimization (LTO).
5105         * configure.ac (plugins): Add --enable-plugins option.
5106         * configure: Regenerate.
5107         * config.in: Regenerate.
5108         * Makefile.am (LIBDL): New variable.
5109         (CCFILES): Add plugin.cc.
5110         (HFILES): Add plugin.h.
5111         (ldadd_var): Add LIBDL.
5112         * Makefile.in: Regenerate.
5113
5114         * archive.cc: Include "plugin.h".
5115         (Archive::setup): Don't preread archive symbols when using a plugin.
5116         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
5117         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
5118         files.
5119         (Archive::include_member): Add symbols from plugin objects.
5120         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
5121         * descriptors.cc (Descriptors::open): Check for file descriptors
5122         abandoned by plugins.
5123         (Descriptors::claim_for_plugin): New function.
5124         * descriptors.h (Descriptors::claim_for_plugin): New function.
5125         (Open_descriptor::is_claimed): New field.
5126         (claim_descriptor_for_plugin): New function.
5127         * fileread.cc (File_read::claim_for_plugin): New function.
5128         * fileread.h (File_read::claim_for_plugin): New function.
5129         (File_read::descriptor): New function.
5130         * gold.cc: Include "plugin.h".
5131         (queue_initial_tasks): Add task to call plugin hooks for generating
5132         new object files.
5133         * main.cc: Include "plugin.h".
5134         (main): Load plugin libraries.
5135         * object.h (Pluginobj): Declare.
5136         (Object::pluginobj): New function.
5137         (Object::do_pluginobj): New function.
5138         (Object::set_target): New function.
5139         * options.cc: Include "plugin.h".
5140         (General_options::parse_plugin): New function.
5141         (General_options::General_options): Initialize plugins_ field.
5142         (General_options::add_plugin): New function.
5143         * options.h (Plugin_manager): Declare.
5144         (General_options): Add --plugin option.
5145         (General_options::has_plugins): New function.
5146         (General_options::plugins): New function.
5147         (General_options::add_plugin): New function.
5148         (General_options::plugins_): New field.
5149         * plugin.cc: New file.
5150         * plugin.h: New file.
5151         * readsyms.cc: Include "plugin.h".
5152         (Read_symbols::do_read_symbols): Check for archive before checking
5153         for ELF file.  Call plugin hooks to claim files.
5154         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
5155         from a real object file; force override when processing replacement
5156         files.
5157         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
5158         (Symbol::init_base_object): Likewise.
5159         (Symbol::init_base_output_data): Likewise.
5160         (Symbol::init_base_output_segment): Likewise.
5161         (Symbol::init_base_constant): Likewise.
5162         (Symbol::init_base_undefined): Likewise.
5163         (Symbol::output_section): Assert that object is not a plugin.
5164         (Symbol_table::add_from_pluginobj): New function.
5165         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
5166         undefined.
5167         (Symbol_table::sized_write_globals): Likewise.
5168         (Symbol_table::add_from_pluginobj): Instantiate template.
5169         * symtab.h (Sized_pluginobj): Declare.
5170         (Symbol::in_real_elf): New function.
5171         (Symbol::set_in_real_elf): New function.
5172         (Symbol::in_real_elf_): New field.
5173         (Symbol_table::add_from_pluginobj): New function.
5174
5175         * testsuite/Makefile.am (AM_CFLAGS): New variable.
5176         (LIBDL): New variable.
5177         (LDADD): Add LIBDL.
5178         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
5179         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
5180         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
5181         (MOSTLYCLEANFILES): Likewise.
5182         * testsuite/Makefile.in: Regenerate.
5183         * testsuite/plugin_test.c: New file.
5184         * testsuite/plugin_test_1.sh: New file.
5185         * testsuite/plugin_test_2.sh: New file.
5186
5187 2008-09-16  Ian Lance Taylor  <iant@google.com>
5188
5189         * target-reloc.h (relocate_section): Check whether a symbol is
5190         defined by the ABI before reporting an undefined symbol error.
5191         * target.h (Target::is_defined_by_abi): Make parameter const.
5192         (Target::do_is_defined_by_abi): Likewise.
5193         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
5194         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
5195         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
5196         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
5197         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
5198         * testsuite/Makefile.in: Rebuild.
5199
5200         * fileread.cc (make_view): Add casts to avoid warning.
5201
5202 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
5203
5204         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
5205         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
5206
5207 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
5208
5209         * options.h (General_options::output_is_executable): New.
5210         (General_options::output_is_pie): New.
5211         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
5212         for shared libraries.
5213         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
5214
5215 2008-09-11  Chris Demetriou  <cgd@google.com>
5216
5217         * options.h (origin): New -z option.
5218         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
5219         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
5220         in DT_FLAGS_1.
5221
5222 2008-09-05  Cary Coutant  <ccoutant@google.com>
5223
5224         * fileread.cc (File_read::make_view): Add check for attempt to map
5225         beyond end of file.
5226
5227 2008-09-05  Cary Coutant  <ccoutant@google.com>
5228
5229         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
5230         explicit instantiations.
5231
5232 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
5233
5234         PR gold/6858
5235         * options.cc (General_options::finalize): Allow undefined symbols
5236         in shlibs if linking -shared.
5237
5238         PR gold/6859
5239         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
5240         symbols as not needing a dynsym entry.
5241
5242 2008-08-20  Craig Silverstein  <csilvers@google.com>
5243
5244         * fileread.cc (File_read::open): Do not lock the file unless it
5245         was successfully opened.
5246
5247 2008-08-14  Cary Coutant  <ccoutant@google.com>
5248
5249         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
5250         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
5251         * testsuite/tls_test.cc (struct int128): 128-bit struct
5252         for testing TLS relocs with non-zero addend.
5253         (v12): New TLS variable.
5254         (t12): New test.
5255         (t_last): Add check for v12.
5256         * testsuite/tls_test.h (t12): New function.
5257         * testsuite/tls_test_main.cc (thread_routine): Call new test.
5258
5259 2008-08-13  Ian Lance Taylor  <iant@google.com>
5260
5261         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
5262         set tls_segment_ or relro_segment_.
5263         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
5264         when appropriate.
5265         * output.h (Output_section::clear_is_relro): New function.
5266         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
5267         sections specially even when output_data_ is empty.
5268         (Output_segment::maximum_alignment): When first section is relro,
5269         only force alignment for PT_LOAD segments.
5270         * script.cc (script_data_segment_align): New function.
5271         (script_data_segment_relro_end): New function.
5272         * script-c.h (script_data_segment_align): Declare.
5273         (script_data_segment_relro_end): Declare.
5274         * script-sections.h (class Script_sections): Declare
5275         data_segment_align and data_segment_relro_end.  Add fields
5276         segment_align_index_ and saw_relro_end_.
5277         * script-sections.cc (class Sections_element): Add set_is_relro
5278         virtual function.  Add new bool* parameter to place_orphan_here.
5279         Add get_output_section virtual function.
5280         (class Output_section_definition): Add set_is_relro.  Add new
5281         bool* parameter to place_orphan_here.  Add get_output_section.
5282         Add is_relro_ field.
5283         (Output_section_definition::Output_section_definition): Initialize
5284         evaluated_address_, evaluated_load_address, evaluated_addralign_,
5285         and is_relro_ fields.
5286         (Output_section_definition::place_orphan_here): Add is_relro
5287         parameter.
5288         (Output_section_definition::set_section_addresses): Set relro for
5289         output section.
5290         (Output_section_definition::alternate_constraint): Likewise.
5291         (class Orphan_output_section): Add new bool* parameter to
5292         place_orphan_here.  Add get_output_section.
5293         (Orphan_output_section::place_orphan_here): Add is_relro
5294         parameter.
5295         (Script_sections::Script_sections): Initialize
5296         data_segment_align_index_ and saw_relro_end_.
5297         (Script_sections::data_segment_align): New function.
5298         (Script_sections::data_segment_relro_end): New function.
5299         (Script_sections::place_orphan): Set or clear is_relro.
5300         (Script_sections::set_section_addresses): Force alignment of first
5301         TLS section.
5302         * yyscript.y (exp): Call script_data_segment_align and
5303         script_data_segment_relro_end.
5304         * testsuite/relro_script_test.t: New file.
5305         * testsuite/relro_test.cc (using_script): Declare.
5306         (t1, t2): Test using_script.
5307         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
5308         (relro_script_test_SOURCES): Define.
5309         (relro_script_test_DEPENDENCIES): Define.
5310         (relro_script_test_LDFLAGS): Define.
5311         (relro_script_test_LDADD): Define.
5312         (relro_script_test.so): New target.
5313         * testsuite/Makefile.in: Rebuild.
5314
5315 2008-08-06  Cary Coutant <ccoutant@google.com>
5316
5317         * archive.cc (Archive::total_archives, Archive::total_members)
5318         (Archive::total_members_loaded): New variables.
5319         (Archive::setup): Add parameter.  Add option to preread
5320         archive symbols.
5321         (Archive::read_armap): Add counter.
5322         (Archive::get_file_and_offset): New function.
5323         (Archive::get_elf_object_for_member): New function.
5324         (Archive::read_all_symbols): New function.
5325         (Archive::read_symbols): New function.
5326         (Archive::add_symbols): Add counters.
5327         (Archive::include_all_members): Use armap to find members if it's
5328         already built.
5329         (Archive::include_member): Skip reading symbols if already read.
5330         Factored code into Archive::get_file_and_offset and
5331         Archive::get_elf_object_for_member.  Changed call to
5332         Mapfile::report_include_archive_member.
5333         (Archive::print_stats): New function.
5334         * archive.h: Declare Object and Read_symbols_data classes.
5335         (Archive::Archive): Add initializers for new members.
5336         (Archive::setup): Add parameter.
5337         (Archive::print_stats): New function.
5338         (Archive::total_archives, Archive::total_members)
5339         (Archive::total_members_loaded): New variables.
5340         (Archive::get_file_and_offset): New function.
5341         (Archive::get_elf_object_for_member): New function.
5342         (Archive::read_all_symbols): New function.
5343         (Archive::read_symbols): New function.
5344         (Archive::Archive_member): New class.
5345         (Archive::members_): New member.
5346         (Archive::num_members_): New member.
5347         * main.cc: Include archive.h.
5348         (main): Call Archive::print_stats.
5349         * mapfile.cc (Mapfile::report_include_archive_member): Delete
5350         archive parameter; member_name is now the fully-decorated name.
5351         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
5352         * options.h: (General_options): Add --preread-archive-symbols option.
5353         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
5354         Archive::setup.
5355
5356 2008-08-04  Ian Lance Taylor  <iant@google.com>
5357
5358         * symtab.h (Symbol::use_plt_offset): New function.
5359         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
5360         * powerpc.cc (Relocate::relocate): Likewise.
5361         * sparc.cc (Relocate::relocate): Likewise.
5362         * x86_64.cc (Relocate::relocate): Likewise.
5363         * testsuite/weak_plt.sh: New test.
5364         * testsuite/weak_plt_main.cc: New test.
5365         * testsuite/weak_plt_shared.cc: New test.
5366         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
5367         (check_PROGRAMS): Add weak_plt.
5368         (check_DATA): Add weak_plt_shared.so.
5369         (weak_plt_main_pic.o, weak_plt): New targets.
5370         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
5371         * testsuite/Makefile.in: Rebuild.
5372
5373         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
5374         gcctestdir/ld.
5375         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
5376         * testsuite/Makefile.in: Rebuild.
5377
5378 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
5379
5380         * Makefile.am (POTFILES.in): Set LC_ALL=C.
5381         * Makefile.in: Regenerate.
5382         * po/POTFILES.in: Regenerate.
5383
5384 2008-07-29  Ian Lance Taylor  <iant@google.com>
5385
5386         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
5387         symbols before other symbols.
5388         * testsuite/script_test_2.cc (test_addr): Declare.
5389         (test_addr_alias): Declare.
5390         (main): Check that test_addr and test_addr_alias have the right
5391         values.
5392         * testsuite/script_test_2.t: Define test_addr_alias and
5393         test_addr.
5394
5395 2008-07-24  Ian Lance Taylor  <iant@google.com>
5396
5397         PR 5990
5398         * descriptors.cc: New file.
5399         * descriptors.h: New file.
5400         * gold-threads.h (class Hold_optional_lock): New class.
5401         * fileread.cc: Include "descriptors.h".
5402         (File_read::~File_read): Release descriptor rather than closing
5403         it.
5404         (File_read::open) [file]: Call open_descriptor rather than open.
5405         Set is_descriptor_opened_.
5406         (File_read::open) [memory]: Assert that descriptor is not open.
5407         (File_read::reopen_descriptor): New function.
5408         (File_read::release): Release descriptor.
5409         (File_read::do_read): Make non-const.  Reopen descriptor.
5410         (File_read::read): Make non-const.
5411         (File_read::make_view): Reopen descriptor.
5412         (File_read::do_readv): Likewise.
5413         * fileread.h (class File_read): Add is_descriptor_opened_ field.
5414         Update declarations.
5415         * layout.cc: Include "descriptors.h".
5416         (Layout::create_build_id): Use open_descriptor rather than open.
5417         * output.cc: Include "descriptors.h".
5418         (Output_file::open): Use open_descriptor rather than open.
5419         * archive.cc (Archive::const_iterator): Change Archive to be
5420         non-const.
5421         (Archive::begin, Archive::end): Make non-const.
5422         (Archive::count_members): Likewise.
5423         * archive.h (class Archive): Update declarations.
5424         * object.h (Object::read): Make non-const.
5425         * Makefile.am (CCFILES): Add descriptors.cc.
5426         (HFILES): Add descriptors.h.
5427         * Makefile.in: Rebuild.
5428
5429         PR 6716
5430         * gold.h: Always include <clocale>.  Add Solaris workarounds
5431         following code in binutils/sysdep.h.
5432
5433         PR 6048
5434         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
5435         this->eh_frame_hdr_ is NULL before using it.
5436
5437         * dynobj.cc (Versions::Versions): Update comment.
5438
5439         * dynobj.cc (Versions::Versions): If there is an soname, use it as
5440         the base version name.
5441
5442         * stringpool.cc (Stringpool_template::add_with_length): Set key to
5443         array size plus one.
5444         (Stringpool_template::set_string_offsets): Subtract one from key
5445         before using it as an array index.
5446         (Stringpool_template::get_offset_with_length): Likewise.
5447         (Stringpool_template::write_to_buffer): Likewise.
5448         * stringpool.h (Stringpool_template::get_offset_from_key):
5449         Likewise.
5450
5451 2008-07-23  Ian Lance Taylor  <iant@google.com>
5452
5453         PR 6658
5454         * object.h (Merged_symbol_value::value): Do our best to handle a
5455         negative addend.
5456
5457         PR 6647
5458         * script.cc (Version_script_info::get_versions): Don't add empty
5459         version tag to return value.
5460         (Version_script_info::get_symbol_version_helper): Change return
5461         type to bool.  Add pversion parameter.  Change all callers.
5462         (script_register_vers_node): Don't require a non-NULL tag.
5463         * script.h (class Version_script_info): Update declarations.
5464         (Version_script_info::get_symbol_version): Change return type to
5465         bool.  Add version parameter.  Change all callers.
5466         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
5467         handling.  Handle an empty version from a version script.
5468         (Symbol_table::define_special_symbol): Likewise.
5469         * testsuite/ver_test_10.script: New file.
5470         * testsuite/ver_test_10.sh: New file.
5471         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
5472         (check_DATA): Add ver_test_10.syms.
5473         (ver_test_10.syms, ver_test_10.so): New target.
5474         * testsuite/Makefile.in: Rebuild.
5475
5476 2008-07-23  Simon Baldwin  <simonb@google.com>
5477
5478         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
5479         to zero for undefined symbols from dynamic libraries.
5480
5481 2008-07-23  Ian Lance Taylor  <iant@google.com>
5482
5483         * symtab.cc (Symbol_table::resolve): Remove version parameter.
5484         Change all callers.
5485         * symtab.h (class Symbol_table): Update declaration.
5486         * testsuite/ver_test_9.cc: New file.
5487         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
5488         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
5489         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
5490         (ver_test_9.so, ver_test_9.o): New targets.
5491         * testsuite/Makefile.in: Rebuild.
5492
5493 2008-07-22  Ian Lance Taylor  <iant@google.com>
5494
5495         * options.h (class General_options): Define --check-sections.
5496         * layout.cc (Layout::set_segment_offsets): Handle
5497         --check-sections.
5498
5499         * options.h (class General_options): Define -n/--nmagic and
5500         -N/--omagic.
5501         * options.cc (General_options::finalize): For -n/--nmagic or
5502         -N/--omagic, set -static.
5503         * layout.cc (Layout::attach_allocated_section_to_segment): If
5504         -N/--omagic, don't put read-only and read-write sections in
5505         different segments.
5506         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
5507         finding a read-only segment.
5508         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
5509         don't set the minimum segment alignment to the common page size,
5510         and don't set the file offset to the address modulo the page size.
5511         * script-sections.cc (Script_sections::create_segments): If
5512         -n/--omagic, don't put read-only and read-write sections in
5513         different segments.
5514
5515         * cref.cc: New file.
5516         * cref.h: New file.
5517         * options.h (class General_options): Add --print-symbol-counts.
5518         * main.cc (main): Issue defined symbol report if requested.
5519         * archive.cc (Archive::interpret_header): Make into a const member
5520         function.
5521         (Archive::add_symbols): Call Input_objects::archive_start and
5522         archive_stop.
5523         (Archive::const_iterator): Define new class.
5524         (Archive::begin, Archive::end): New functions.
5525         (Archive::include_all_members): Rewrite to use iterator.
5526         (Archive::count_members): New function.
5527         * archive.h (class Archive): Update declarations.
5528         (Archive::filename): New function.
5529         * object.cc: Include "cref.h".
5530         (Sized_relobj::Sized_relobj): Initialize defined_count_.
5531         (Sized_relobj::do_get_global_symbol_counts): New function.
5532         (Input_objects::add_object): Add object to cross-referencer.
5533         (Input_objects::archive_start): New function.
5534         (Input_objects::archive_stop): New function.
5535         (Input_objects::print_symbol_counts): New function.
5536         * object.h: Declare Cref and Archive.
5537         (Object::get_global_symbol_counts): New function.
5538         (Object::do_get_global_symbol_counts): New pure virtual function.
5539         (class Sized_relobj): Add defined_count_ field.  Update
5540         declarations.
5541         (class Input_objects): Add cref_ field.  Update constructor.
5542         Update declarations.
5543         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
5544         defined_count_.
5545         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
5546         symbol counts.
5547         (Sized_dynobj::do_get_global_symbol_counts): New function.
5548         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
5549         defined_count_.  Update declarations.  Define Symbols typedef.
5550         * symtab.cc (Symbol_table::add_from_relobj): Add defined
5551         parameter.  Change all callers.
5552         (Symbol_table::add_from_dynobj): Add sympointers and defined
5553         parameters.  Change all callers.
5554         * symtab.h (class Symbol_table): Update declarations.
5555         * Makefile.am (CCFILES): Add cref.cc.
5556         (HFILES): Add cref.h.
5557         * Makefile.in: Rebuild.
5558
5559 2008-07-22  Simon Baldwin  <simonb@google.com>
5560
5561         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
5562         to zero when writing undefined symbols.
5563
5564 2008-07-22  Ian Lance Taylor  <iant@google.com>
5565
5566         * output.cc (Output_section::add_input_section): Don't try to
5567         merge empty merge sections.
5568
5569 2008-07-21  Craig Silverstein  <csilvers@google.com>
5570
5571         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
5572         Include symbol version in error message.
5573
5574 2008-07-20  Chris Demetriou  <cgd@google.com>
5575
5576         * configure.ac (gold_cv_c_random_seed): New configured variable.
5577         (RANDOM_SEED_CFLAGS): New substituted variable.
5578         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
5579         * configure: Rebuild.
5580         * Makefile.in: Likewise.
5581         * testsuite/Makefile.in: Likewise.
5582
5583 2008-07-18  Ian Lance Taylor  <iant@google.com>
5584
5585         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
5586         where we see NAME/NULL and NAME/VERSION  as separate symbols.
5587         * testsuite/ver_test_main.cc (main): Call t4.
5588         (t4, t4_2a): Define.
5589         * testsuite/ver_test_2.cc (t4_2): Define.
5590         * testsuite/ver_test_2.script: Put t4_2a in VER2.
5591         * testsuite/ver_test_4.cc (t4_2a): Define.
5592         * testsuite/ver_test_4.script: Put t4_2a in VER2.
5593         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
5594
5595 2008-07-17  Ian Lance Taylor  <iant@google.com>
5596
5597         * dynobj.cc (Versions::add_def): If we give an error about a
5598         missing version, go ahead and create the version anyhow.
5599
5600 2008-07-10  Ian Lance Taylor  <iant@google.com>
5601
5602         Handle output sections with more than 0x7fffffff bytes.
5603         * object.h (class Relobj): Change map_to_output_ to
5604         output_sections_, and just keep a section pointer.  Change all
5605         uses.  Move comdat group support to Sized_relobj.
5606         (Relobj::is_section_specially_mapped): Remove.
5607         (Relobj::output_section): Remove poff parameter.  Change all
5608         callers.
5609         (Relobj::output_section_offset): New function.
5610         (Relobj::set_section_offset): Rewrite.
5611         (Relobj::map_to_output): Remove.
5612         (Relobj::output_sections): New function.
5613         (Relobj::do_output_section_offset): New pure virtual function.
5614         (Relobj::do_set_section_offset): Likewise.
5615         (class Sized_relobj): Add section_offsets_ field.  Add comdat
5616         group support from Relobj.  Update declarations.
5617         (Sized_relobj::get_output_section_offset): New function.
5618         (Sized_relobj::do_output_section_offset): New function.
5619         (Sized_relobj::do_set_section_offset): New function.
5620         * object.cc (Relobj::output_section_address): Remove.
5621         (Sized_relobj::Sized_relobj): Initialize new fields.
5622         (Sized_relobj::include_section_group): Cast find_kept_object to
5623         Sized_relobj.
5624         (Sized_relobj::include_linkonce_section): Likewise.
5625         (Sized_relobj::do_layout): Use separate arrays for output section
5626         and output offset.
5627         (Sized_relobj::do_count_local_symbols): Change map_to_output to
5628         output_sections.
5629         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
5630         output_sections and section_offsets.
5631         (Sized_relobj::write_local_symbols): Likewise.
5632         (map_to_kept_section): Compute output address directly.
5633         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
5634         output_sections and section_offsets.
5635         (Sized_relobj::write_sections): Likewise.
5636         (Sized_relobj::relocate_sections): Likewise.
5637         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
5638         * output.h (class Output_reloc): Update declarations.  Change
5639         u2_.relobj to Sized_relobj*.
5640         (class Output_data_reloc): Change add functions to use
5641         Sized_relobj*.
5642         * output.cc (Output_reloc::Output_reloc): Change relobj to
5643         Sized_relobj*.
5644         (Output_reloc::local_section_offset): Change return type to
5645         Elf_Addr.  Use get_output_section_offset.
5646         (Output_reloc::get_address): Likewise.
5647         (Output_section::is_input_address_mapped): Don't call
5648         is_section_specially_mapped.
5649         (Output_section::output_offset): Likewise.
5650         (Output_section::output_address): Likewise.
5651         (Output_section::starting_output_address): Likewise.
5652         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
5653         parameter to Sized_relobj*.
5654         (Copy_relocs::need_copy_reloc): Likewise.
5655         (Copy_relocs::save): Likewise.
5656         * copy-relocs.h (class Copy_relocs): Update declarations.
5657         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
5658         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
5659         * target-reloc.h (relocate_for_relocatable): Change
5660         offset_in_output_section type to Elf_Addr.  Change code that uses
5661         it as well.
5662         * layout.cc (Layout::layout): Always set *off.
5663         * mapfile.cc (Mapfile::print_input_section): Use
5664         output_section_offset.
5665         * i386.cc (Target_i386::copy_reloc): Change object parameter to
5666         Sized_relobj*.
5667         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
5668         * sparc.cc (Target_sparc::copy_reloc): Likewise.
5669         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
5670
5671 2008-07-03  Ian Lance Taylor  <iant@google.com>
5672
5673         * layout.cc (Layout::include_section): Do not discard unrecognized
5674         SHT_STRTAB sections.
5675
5676 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
5677
5678         * script.cc (Lex::can_continue_name): Make '?' allowable in
5679         version-script names.
5680         * testsuite/version_script.map: Change glob pattern to use '?'
5681
5682 2008-06-30  Manish Singh  <yosh@gimp.org>
5683
5684         PR 6585
5685         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
5686         Correct typo.
5687
5688 2008-06-30  Ian Lance Taylor  <iant@google.com>
5689
5690         PR 6660
5691         PR 6682
5692         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
5693         versions]: Don't try to read the value in the contents, since we
5694         don't use it.  Use the template endianness when writing.
5695
5696 2008-06-25  Cary Coutant  <ccoutant@google.com>
5697
5698         * fileread.cc (File_read::make_view): Assert on zero-length view.
5699         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
5700         symbol table when there are no symbols to read.
5701
5702 2008-06-23  Craig Silverstein  <csilvers@google.com>
5703
5704         * version.cc (version_string): Bump to 1.7
5705
5706 2008-06-18  Craig Silverstein  <csilvers@google.com>
5707
5708         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
5709         constant 0xFFFF to type Valtype.
5710         (Powerpc_relocate_functions::rel16_ha): Likewise.
5711
5712 2008-06-17  Ian Lance Taylor  <iant@google.com>
5713
5714         * output.h (Output_section::Input_section): Initialize p2align_ to
5715         zero for Output_section_data constructors.
5716         (Output_section::Input_section::addralign): If not an input
5717         section, return the alignment of the Output_section_data.
5718         * testsuite/copy_test.cc: New file.
5719         * testsuite/copy_test_1.cc: New file.
5720         * testsuite/copy_test_2.cc: New file.
5721         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
5722         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
5723         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
5724         (copy_test_1_pic.o, copy_test_1.so): New targets.
5725         (copy_test_2_pic.o, copy_test_2.so): New targets.
5726         * testsuite/Makefile.in: Rebuild.
5727
5728         * script-sections.cc (Script_sections::place_orphan): Initialize
5729         local variable exact.
5730
5731 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
5732
5733         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
5734
5735 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
5736             David S. Miller  <davem@davemloft.net>
5737
5738         * powerpc.cc: New file.
5739         * Makefile.am (TARGETSOURCES): Add powerpc.cc
5740         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
5741         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
5742         * Makefile.in: Rebuild.
5743
5744 2008-06-09  Ian Lance Taylor  <iant@google.com>
5745
5746         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
5747         <exception>.
5748         (throwing, orig_terminate): New static variables.
5749         (terminate_handler): New static function.
5750         (t2): Set terminate handler.
5751
5752 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
5753
5754         PR 6584
5755         * binary.cc (Binary_to_elf::sized_convert): Fix .data
5756         alignment.
5757
5758 2008-05-30  Cary Coutant  <ccoutant@google.com>
5759
5760         * archive.cc (Archive::include_all_members) Correct to step
5761         over symbol table and extended name table in thin archives.
5762
5763 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
5764
5765         PR 6407
5766         * target-reloc.h (relocate_for_relocatable): Fix new_offset
5767         calculation.
5768
5769 2008-05-28  Caleb Howe  <cshowe@google.com>
5770
5771         * reduced_debug_output.cc: New file.
5772         * reduced_debug_output.h: New file.
5773         * options.h (class General_options): Add --strip-debug-non-line.
5774         * options.cc (General_options::finalize): Add strip_debug_non_line
5775         to the strip heirarchy.
5776         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
5777         fields.
5778         * layout.cc: Include "reduced_debug_output.h".
5779         (Layout::Layout): Initialize new fields.
5780         (line_only_debug_sections): New static array.
5781         (is_lines_only_debug_sections): New static inline function.
5782         (Layout::include_section): Handle --strip-debug-non-line.
5783         (Layout::make_output_section): If --strip-debug-non-line, build
5784         new output sections for .debug_abbrev and .debug_info.
5785         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
5786         gold.  Warn about possible overflow.
5787         (read_signed_LEB_128): Likewise.
5788         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
5789         (read_signed_LEB_128): Declare.
5790         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
5791         (HFILES): Add reduced_debug_output.h.
5792         * Makefile.in: Rebuild.
5793
5794 2008-05-21  Ian Lance Taylor  <iant@google.com>
5795
5796         * mapfile.cc: New file.
5797         * mapfile.h: New file.
5798         * options.h (class General_options): Add -M/--print-map and -Map.
5799         * options.cc (General_options::finalize): Make -M equivalent to
5800         -Map -.
5801         * main.cc: Include <cstdio> and "mapfile.h".
5802         (main): Open mapfile if requested.
5803         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
5804         constructor.  Change caller.
5805         (queue_initial_tasks): Add mapfile parameter.  Change caller.
5806         (queue_middle_tasks): Likewise.
5807         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
5808         declarations.
5809         * archive.cc: Include "mapfile.h".
5810         (Archive::add_symbols): Add mapfile parameter.  Change all
5811         callers.  Pass mapfile, symbol, and reason to include_member.
5812         (Archive::include_all_members): Add mapfile parameter.  Change all
5813         callers.
5814         (Archive::include_member): Add mapfile, sym, and why parameters.
5815         Change all callers.  Report inclusion to map file.
5816         * archive.h: Include "fileread.h".
5817         (class Archive): Update declarations.
5818         (Archive::file): New const method.
5819         (class Add_archive_symbols): Add mapfile_ field.  Update
5820         constructor.  Change all callers.
5821         * readsyms.h (class Read_symbols): Likewise.
5822         (class Finish_group): Likewise.
5823         (class Read_script): Likewise.
5824         * common.cc: Include "mapfile.h".
5825         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
5826         all callers.
5827         (Symbol_table::do_allocate_commons): Likewise.
5828         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
5829         symbol allocation to mapfile.
5830         * common.h (class Allocate_commons_task): Add mapfile_ field.
5831         Update constructor.  Change all callers.
5832         * symtab.h (class Symbol_table): Update declarations.
5833         * layout.cc: Include "mapfile.h".
5834         (Layout_task_runner::run): Print information to mapfile.
5835         (Layout::create_gold_note): Change Output_data_fixed_space to
5836         Output_data_zero_fill.
5837         (Layout::create_build_id): Likewise.
5838         (Layout::print_to_mapfile): New function.
5839         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
5840         constructor.  Change caller.
5841         (class Layout): Declare print_to_mapfile.
5842         * output.cc (Output_section::Input_section::print_to_mapfile): New
5843         function.
5844         (Output_section::add_input_section): If producing a map, always
5845         add to input_sections_ list.
5846         (Output_section::do_print_to_mapfile): New function.
5847         (Output_segment::print_sections_to_mapfile): New function.
5848         (Output_segment::print_section_list_to_mapfile): New function.
5849         * output.h: Include "mapfile.h".
5850         (Output_data::print_to_mapfile): New function.
5851         (Output_data::do_print_to_mapfile): New virtual function.
5852         (Output_segment_headers::do_print_to_mapfile): New function.
5853         (Output_file_header::do_print_to_mapfile): New function.
5854         (Output_data_const::do_print_to_mapfile): New function.
5855         (class Output_data_const_buffer): Add map_name_ field.  Update
5856         constructor.  Change all callers.  Add do_print_to_mapfile
5857         function.
5858         (class Output_data_fixed_space): Likewise.
5859         (class Output_data_space): Likewise.
5860         (class Output_data_zero_fill): New class.
5861         (Output_data_strtab::do_print_to_mapfile): New function.
5862         (Output_data_reloc_base::do_print_to_mapfile): New function.
5863         (Output_relocatable_relocs::do_print_to_mapfile): New function.
5864         (Output_data_group::do_print_to_mapfile): New function.
5865         (Output_data_got::do_print_to_mapfile): New function.
5866         (Output_data_dynamic::do_print_to_mapfile): New function.
5867         (Output_symtab_xindex::do_print_to_mapfile): New function.
5868         (class Output_section): Declare do_print_to_mapflie.  Declare
5869         print_to_mapfile in Input_section.
5870         (class Output_segment): Declare new functions.
5871         * object.h (Sized_relobj::symbol_count): New function.
5872         * script-sections.cc
5873         (Output_section_element_dot_assignment::set_section_addresses):
5874         Change Output_data_fixed_space to Output_data_zero_fill.
5875         (Output_data_expression::do_print_to_mapfile): New function.
5876         * script.cc (read_input_script): Add mapfile parameter.  Change
5877         all callers.
5878         * script.h (read_input_script): Update declaration.
5879         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
5880         (Eh_frame::do_print_to_mapfile): New function.
5881         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
5882         (Output_merge_string::do_print_to_mapfile): New function.
5883         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
5884         function.
5885         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
5886         function.
5887         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
5888         function.
5889         * Makefile.am (CCFILES): Add mapfile.cc.
5890         (HFILES): Add mapfile.h.
5891         * Makefile.in: Rebuild.
5892
5893 2008-05-19  Ian Lance Taylor  <iant@google.com>
5894
5895         * options.h (class General_options): Add -z relro.
5896         * layout.cc (Layout::Layout): Initialize relro_segment_.
5897         (Layout::add_output_section_data): Return the output section.
5898         (Layout::make_output_section): Rcognize relro sections and mark
5899         them appropriately.
5900         (Layout::attach_allocated_section_to_segment): Put relro sections
5901         in a PT_GNU_RELRO segment.
5902         (Layout::create_initial_dynamic_sections): Mark the .dynamic
5903         section as relro.
5904         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
5905         PT_TLS segments.
5906         (Layout::linkonce_mapping): Map d.rel.ro.local to
5907         .data.rel.ro.local.
5908         (Layout::output_section_name): Us .data.rel.ro.local for any
5909         section which begins with that.
5910         * layout.h (class Layout): Update add_output_section_data
5911         declaration.  Add relro_segment_ field.
5912         * output.cc (Output_section::Output_section): Initialize is_relro_
5913         and is_relro_local_ fields.
5914         (Output_segment::add_output_section): Group relro sections.
5915         (Output_segment::is_first_section_relro): New function.
5916         (Output_segment::maximum_alignment): If there is a relro section,
5917         align the segment to the common page size.
5918         (Output_segment::set_section_addresses): Track whether we are
5919         looking at relro sections.  If the last section is a relro
5920         section, align to the common page size.
5921         (Output_segment::set_section_list_addresses): Add in_relro
5922         parameter.  Change all callers.  Align to the page size when
5923         moving from relro to non-relro section.
5924         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
5925         segment.
5926         * output.h (class Output_section): Add is_relro_ and
5927         is_relro_local_ fields.
5928         (Output_section::is_relro): New function.
5929         (Output_section::set_is_relro): New function.
5930         (Output_section::is_relro_local): New function.
5931         (Output_section::set_is_relro_local): New function.
5932         (class Output_segment): Update declarations.
5933         * i386.cc (Target_i386::got_section): Mark .got section as relro.
5934         * sparc.cc (Target_sparc::got_section): Likewise.
5935         * x86_64.cc (Target_x86_64::got_section): Likewise.
5936         * testsuite/relro_test_main.cc: New file.
5937         * testsuite/relro_test.cc: New file.
5938         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
5939         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
5940         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
5941         (relro_test.so, relro_test_pic.o): New targets.
5942         * testsuite/Makefile.in: Rebuild.
5943
5944 2008-05-16  Ian Lance Taylor  <iant@google.com>
5945
5946         * output.cc (Output_segment::add_output_section): Remove front
5947         parameter.
5948         * output.h (class Output_segment): Remove
5949         add_initial_output_section and overloaded add_output_section.
5950         Update declaration of remaining add_output_section.
5951         * layout.cc (Layout::create_interp): Call add_output_section
5952         rather than add_initial_output_section.
5953         (Layout::finish_dynamic_section): Likewise.
5954
5955         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
5956         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
5957         know the dynamic type.
5958         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
5959         field.  Initialize it in constructor.
5960         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
5961         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
5962         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
5963         reloc.
5964
5965         * output.cc (Output_reloc::get_address): Change return type to
5966         Elf_Addr.
5967         * output.h (class Output_reloc): Update get_address declaration.
5968         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
5969         for section addresses.
5970
5971 2008-05-09  Ian Lance Taylor  <iant@google.com>
5972
5973         PR 6493
5974         * gold.cc (gold_nomem): Use return value of write.
5975
5976 2008-05-08  Ian Lance Taylor  <iant@google.com>
5977
5978         * symtab.c (Symbol::init_base_output_data): Add version
5979         parameter.  Change all callers.
5980         (Symbol::init_base_output_segment): Likewise.
5981         (Symbol::init_base_constant): Likewise.
5982         (Symbol::init_base_undefined): Likewise.
5983         (Sized_symbol::init_output_data): Likewise.
5984         (Sized_symbol::init_output_segment): Likewise.
5985         (Sized_symbol::init_constant): Likewise.
5986         (Sized_symbol::init_undefined): Likewise.
5987         (Symbol_table::do_define_in_output_data): If the new symbol has a
5988         version, mark it as the default.
5989         (Symbol_table::do_define_in_output_segment): Likewise.
5990         (Symbol_table::do_define_as_constant): Likewise.
5991         * symtab.h (class Symbol): Update declarations.
5992         (class Sized_symbol): Likewise.
5993         * resolve.cc (Symbol::override_version): New function.
5994         (Symbol::override_base): Call override_version.
5995         (Symbol::override_base_with_special): Likewise.
5996         * testsuite/ver_script_8.script: New file.
5997         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
5998         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
5999         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
6000         (ver_test_8_1.so, ver_test_8_2.so): New targets.
6001
6002 2008-05-06  Ian Lance Taylor  <iant@google.com>
6003
6004         PR 6049
6005         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
6006         functions.
6007         (class General_options): Remove existing --undefined, and add
6008         --no-undefined instead.  Add new --undefined as synonym for -u.
6009         * archive.cc (Archive::add_symbols): Check whether symbol was
6010         named with -u.
6011         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
6012         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
6013         all uses.  Add IS_UNDEFINED.  Update declarations to split
6014         different versions of init_base.  Declare init_base_undefined.
6015         (Symbol::is_defined): Handle IS_UNDEFINED.
6016         (Symbol::is_undefined): Likewise.
6017         (Symbol::is_weak_undefined): Call is_undefined.
6018         (Symbol::is_absolute): Handle IS_CONSTANT.
6019         (class Sized_symbol): Update declarations to split different
6020         versions of init.  Declare init_undefined.
6021         (class Symbol_table): Declare new functions.
6022         * symtab.cc (Symbol::init_base_object): Rename from init_base.
6023         Change all callers.
6024         (Symbol::init_base_output_data): Likewise.
6025         (Symbol::init_base_output_segment): Likewise.
6026         (Symbol::init_base_constant): Likewise.
6027         (Symbol::init_base_undefined): New function.
6028         (Sized_symbol::init_object): Rename from init.  Change all
6029         callers.
6030         (Sized_symbol::init_output_data): Likewise.
6031         (Sized_symbol::init_output_segment): Likewise.
6032         (Sized_symbol::init_constant): Likewise.
6033         (Sized_symbol::init_undefined): New function.
6034         (Symbol_table::add_undefined_symbols_from_command_line): New
6035         function.
6036         (Symbol_table::do_add_undefined_symbols_from_command_line): New
6037         function.
6038         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
6039         (Symbol::output_section): Likewise.
6040         (Symbol::set_output_section): Likewise.
6041         (Symbol_table::sized_finalize_symbol): Likewise.
6042         (Symbol_table::sized_write_globals): Likewise.
6043         * resolve.cc (Symbol_table::should_override): Likewise.
6044         (Symbol::override_base_with_special): Likewise.
6045
6046         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
6047         symbol, change it to have default visibility.
6048         * testsuite/protected_1.cc: New file.
6049         * testsuite/protected_2.cc: New file.
6050         * testsuite/protected_3.cc: New file.
6051         * testsuite/protected_main_1.cc: New file.
6052         * testsuite/protected_main_2.cc: New file.
6053         * testsuite/protected_main_3.cc: New file.
6054         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
6055         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
6056         (protected_1_LDFLAGS, protected_1_LDADD): Define.
6057         (protected_1.so): New target.
6058         (protected_1_pic.o, protected_2_pic.o): New targets.
6059         (protected_3_pic.o): New target.
6060         (check_PROGRAMS): Add protected_2.
6061         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
6062         (protected_2_LDFLAGS, protected_2_LDADD): Define.
6063         * testsuite/Makefile.in: Rebuild.
6064
6065         * options.h (DEFINE_var): Add set_user_set_##varname__.
6066         (DEFINE_bool_alias): New macro.
6067         (class General_options): Define -Bstatic using DEFINE_bool_alias
6068         rather than DEFINE_special.  Add --undefined as an alias for -z
6069         defs.
6070         * options.cc (General_options::parse_Bstatic): Remove.
6071
6072         * options.h (class General_options): Add --fatal-warnings.
6073         * main.cc (main): Implement --fatal-warnings.
6074         * errors.h (Errors::warning_count): New function.
6075
6076         * options.h (class General_options): Add -Bsymbolic-functions.
6077         * symtab.h (Symbol::is_preemptible): Check for
6078         -Bsymbolic-functions.
6079
6080 2008-05-05  Ian Lance Taylor  <iant@google.com>
6081
6082         * options.h (DEFINE_bool): For DASH_Z, create the negative option
6083         as noVARNAME rather than no-VARNAME.
6084         (class General_options): Add option -z combreloc.
6085         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
6086         get_address.
6087         (Output_reloc::sort_before) [SHT_REL]: New function.
6088         (Output_reloc::sort_before) [SHT_RELA]: New function.
6089         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
6090         Sort_relocs_comparison.
6091         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
6092         parameter.  Change all callers.
6093         (Output_data_reloc::Output_data_reloc) [both versions]: Add
6094         sort_relocs parameter.  Change all callers.
6095         * output.cc (Output_reloc::get_address): New function, broken out
6096         of write_rel.
6097         (Output_reloc::write_rel): Call it.
6098         (Output_reloc::compare): New function.
6099         (Output_data_reloc_base::do_write): Optionally sort relocs.
6100
6101         * configure.ac: If targ_extra_obj is set, link it in.
6102         * configure.tgt: Initialize all variables.
6103         (x86_64*): Set targ_extra_obj and targ_extra_size.
6104         * configure: Rebuild.
6105
6106         * object.cc (Sized_relobj::include_section_group): Adjust section
6107         indexes read from group data.  Build vector to pass to
6108         layout_group.
6109         * layout.cc (Layout::layout_group): Add flags and shndxes
6110         parameters.  Remove contents parameter.  Change caller.  Update
6111         explicit instantiations.
6112         * layout.h (class Layout): Update layout_group declaration.
6113         * output.cc (Output_data_group::Output_data_group): Add flags and
6114         input_shndxes parameters.  Remove contents parameter.  Change
6115         caller.
6116         (Output_data_group::do_write): Change input_sections_ to
6117         input_shndxes_.
6118         * output.h (class Output_data_group): Update constructor
6119         declaration.  Rename input_sections_ to input_shndxes_.
6120         * testsuite/many_sections_test.cc: Add template.
6121
6122 2008-04-30  Cary Coutant  <ccoutant@google.com>
6123
6124         * target-reloc.h (relocate_section): Fix dead-pointer bug.
6125
6126         * layout.cc (Layout::include_section): Refactored check for debug
6127         info section.
6128         (Layout::add_comdat): Add new parameters.  Change type
6129         of signature parameter.  Add object and shndx to signatures table.
6130         (Layout::find_kept_object): New function.
6131         * layout.h: Include <cstring>.
6132         (Layout::is_debug_info_section): New function.
6133         (Layout::add_comdat): Add new parameters.
6134         (Layout::find_kept_object): New function.
6135         (Layout::Kept_section): New struct.
6136         (Layout::Signatures): Change type of map range.
6137         * object.cc (Relobj::output_section_address): New function.
6138         (Sized_relobj::include_section_group): Add new parameters.  Change
6139         calls to Layout::add_comdat.  Change to build table of kept comdat
6140         groups and table mapping discarded sections to kept sections.
6141         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
6142         (Sized_relobj::do_layout): Change calls to include_section_group and
6143         include_linkonce_section.
6144         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
6145         value to zero when section is discarded.
6146         (Sized_relobj::map_to_kept_section): New function.
6147         * object.h (Relobj::output_section_address): New function.
6148         (Relobj::Comdat_group): New type.
6149         (Relobj::find_comdat_group): New function.
6150         (Relobj::Comdat_group_table): New type.
6151         (Relobj::Kept_comdat_section): New type.
6152         (Relobj::Kept_comdat_section_table): New type.
6153         (Relobj::add_comdat_group): New function.
6154         (Relobj::set_kept_comdat_section): New function.
6155         (Relobj::get_kept_comdat_section): New function.
6156         (Relobj::comdat_groups_): New field.
6157         (Relobj::kept_comdat_sections_): New field.
6158         (Symbol_value::input_value): Update comment.
6159         (Sized_relobj::map_to_kept_section) New function.
6160         (Sized_relobj::include_linkonce_section): Add new parameter.
6161         * target-reloc.h (Comdat_behavior): New type.
6162         (get_comdat_behavior): New function.
6163         (relocate_section): Add code to map a discarded section to the
6164         corresponding kept section when applying a relocation.
6165
6166 2008-04-30  Craig Silverstein  <csilvers@google.com>
6167
6168         * dwarf_reader.cc (next_generation_count): New static var.
6169         (Addr2line_cache_entry): New struct.
6170         (addr2line_cache): New static var.
6171         (Dwarf_line_info::one_addr2line): Added caching.
6172         (Dwarf_line_info::clear_addr2line_cache): New function.
6173         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
6174         cache-size parameter.
6175         (Dwarf_line_info::one_addr2line_cache): New function.
6176         * symtab.cc (Symbol_table::detect_odr_violations): Pass
6177         new cache-size argument to one_addr2line(), and clear cache.
6178
6179 2008-04-28  Cary Coutant  <ccoutant@google.com>
6180
6181         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
6182         R_386_PC8 relocations.
6183
6184 2008-04-23  Ian Lance Taylor  <iant@google.com>
6185
6186         * object.cc (Sized_relobj::include_section_group): Check for
6187         invalid section group.
6188
6189         * object.cc (make_elf_object): Correct test for 64-bit ELF file
6190         header size.
6191
6192         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
6193         than read for file header.
6194         * archive.cc (Archive::include_member): Likewise.
6195
6196 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
6197
6198         * aclocal.m4: Regenerate.
6199         * configure: Regenerate.
6200
6201 2008-04-19  Ian Lance Taylor  <iant@google.com>
6202
6203         * version.cc (version_string): Bump to 1.6.
6204
6205         * testsuite/Makefile.am (many_sections_r_test): New target.
6206         (many_sections_r_test_SOURCES): Remove.
6207         (many_sections_r_test_DEPENDENCIES): Remove.
6208         (many_sections_r_test_LDFLAGS): Remove.
6209         (many_sections_r_test_LDADD): Remove.
6210
6211         * object.cc (Sized_relobj::do_add_symbols): Always pass
6212         local_symbol_count_ to add_from_relobj.
6213
6214         * testsuite/Makefile.am (many_sections_check.h): Only check one in
6215         every thousand variables.
6216         * testsuite/Makefile.in: Rebuild.
6217
6218         * object.cc (Xindex::initialize_symtab_xindex): New function.
6219         (Xindex::read_symtab_xindex): New function.
6220         (Xindex::sym_xindex_to_shndx): New function.
6221         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
6222         available.
6223         (Sized_relobj::do_initialize_xindex): New function.
6224         (Sized_relobj::do_read_symbols): Adjust section links.
6225         (Sized_relobj::symbol_section_and_value): Add is_ordinary
6226         parameter.  Change all callers.
6227         (Sized_relobj::include_section_group): Adjust section links and
6228         symbol section indexes.
6229         (Sized_relobj::do_layout): Adjust section links.
6230         (Sized_relobj::do_count_local_symbols): Adjust section links and
6231         symbol section indexes.
6232         (Sized_relobj::do_finalize_local_symbols): Distinguish between
6233         ordinary and special symbols.
6234         (Sized_relobj::write_local_symbols): Add symtab_xindex and
6235         dynsym_xindex parameters.  Change all callers.  Adjust section
6236         links.  Use SHN_XINDEX when needed.
6237         (Sized_relobj::get_symbol_location_info): Adjust section links.
6238         Don't get fooled by special symbols.
6239         * object.h (class Xindex): Define.
6240         (class Object): Add xindex_ parameter.  Declare virtual functoin
6241         do_initialize_xindex.
6242         (Object::adjust_sym_shndx): New function.
6243         (Object::set_xindex): New protected function.
6244         (class Symbol_value): Add is_ordinary_shndx_ field.
6245         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
6246         (Symbol_value::value): Assert ordinary section.
6247         (Symbol_value::initialize_input_to_output_map): Likewise.
6248         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
6249         Change all callers.
6250         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
6251         all callers.
6252         (class Sized_relobj): Update declarations.
6253         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
6254         parameter.  Change all callers.
6255         (Sized_relobj::adjust_shndx): New function.
6256         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
6257         field.
6258         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
6259         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
6260         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
6261         (Sized_dynobj::read_dynsym_section): Adjust section links.
6262         (Sized_dynobj::read_dynamic): Likewise.
6263         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
6264         section links.
6265         (Sized_dynobj::do_initialize_xindex): New function.
6266         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
6267         do_initialize_xindex.
6268         (Sized_dynobj::adjust_shndx): New function.
6269         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
6270         dynsym_xindex_ fields.
6271         (Layout::finalize): Add a call to set_section_indexes before
6272         creating the symtab sections.
6273         (Layout::set_section_indexes): Don't do anything if the section
6274         already has a section index.
6275         (Layout::create_symtab_sections): Add shnum parameter.  Change
6276         caller.  Create .symtab_shndx section if needed.
6277         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
6278         caller.
6279         (Layout::allocated_output_section_count): New function.
6280         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
6281         needed.
6282         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
6283         fields.  Update declarations.
6284         (Layout::symtab_xindex): New function.
6285         (Layout::dynsym_xindex): New function.
6286         (class Write_symbols_task): Add layout_ field.
6287         (Write_symbols_task::Write_symbols_task): Add layout parameter.
6288         Change caller.
6289         * output.cc (Output_section_headers::Output_section_headers): Add
6290         shstrtab_section parameter.  Change all callers.
6291         (Output_section_headers::do_sized_write): Store overflow values
6292         for section count and section string table section index in
6293         section header zero.
6294         (Output_file_header::do_sized_write): Check for overflow of
6295         section count and section string table section index.
6296         (Output_symtab_xindex::do_write): New function.
6297         (Output_symtab_xindex::endian_do_write): New function.
6298         * output.h (class Output_section_headers): Add shstrtab_section_.
6299         Update declarations.
6300         (class Output_symtab_xindex): Define.
6301         (Output_section::has_out_shndx): New function.
6302         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
6303         field.
6304         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
6305         Change all callers.
6306         (Sized_symbol::init): Likewise.
6307         (Symbol::output_section): Check for ordinary symbol.
6308         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
6309         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
6310         callers.
6311         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
6312         Change all callers.  Simplify handling of symbols from sections
6313         not included in the link.
6314         (Symbol_table::add_from_dynobj): Handle ordinary symbol
6315         distinction.
6316         (Weak_alias_sorter::operator()): Assert that symbols are
6317         ordinary.
6318         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
6319         distinction.
6320         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
6321         parameters.  Change all callers.
6322         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
6323         symbol distinction.  Use SHN_XINDEX when needed.
6324         (Symbol_table::write_section_symbol): Add symtab_xindex
6325         parameter.  Change all callers.
6326         (Symbol_table::sized_write_section_symbol): Likewise.  Use
6327         SHN_XINDEX when needed.
6328         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
6329         declarations.
6330         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
6331         (Symbol::is_defined): Check is_ordinary.
6332         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
6333         (Symbol::is_absolute, Symbol::is_common): Likewise.
6334         (class Sized_symbol): Update declarations.
6335         (class Symbol_table): Update declarations.
6336         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
6337         parameters.  Change all callers.
6338         (Sized_symbol::override): Likewise.
6339         (Symbol_table::override): Likewise.
6340         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
6341         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
6342         is_ordinary, and orig_st_shndx parameters.  Change all callers.
6343         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
6344         to be in an ordinary section.
6345         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
6346         object and is_ordinary parameters.  Change all callers.
6347         (Sized_dwarf_line_info::read_relocs): Add object parameter.
6348         Change all callers.  Don't add undefined or non-ordinary symbols
6349         to reloc_map_.
6350         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
6351         Change all callers.
6352         * dwarf_reader.h (class Sized_dwarf_line_info): Update
6353         declarations.
6354         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
6355         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
6356         (Sized_relobj::relocate_sections): Likewise.
6357         * target-reloc.h (scan_relocs): Adjust section symbol index.
6358         (scan_relocatable_relocs): Likewise.
6359         * i386.cc (Scan::local): Check for ordinary symbols.
6360         * sparc.cc (Scan::local): Likewise.
6361         * x86_64.cc (Scan::local): Likewise.
6362         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
6363         to symbol_section_and_value.
6364         * testsuite/many_sections_test.cc: New file.
6365         * testsuite/Makefile.am (BUILT_SOURCES): Define.
6366         (check_PROGRAMS): Add many_sections_test.
6367         (many_sections_test_SOURCES): Define.
6368         (many_sections_test_DEPENDENCIES): Define.
6369         (many_sections_test_LDFLAGS): Define.
6370         (BUILT_SOURCES): Add many_sections_define.h.
6371         (many_sections_define.h): New target.
6372         (BUILT_SOURCES): Add many_sections_check.h.
6373         (many_sections_check.h): New target.
6374         (check_PROGRAMS): Add many_sections_r_test.
6375         (many_sections_r_test_SOURCES): Define.
6376         (many_sections_r_test_DEPENDENCIES): Define.
6377         (many_sections_r_test_LDFLAGS): Define.
6378         (many_sections_r_test_LDADD): Define.
6379         (many_sections_r_test.o): New target.
6380         * testsuite/Makefile.in: Rebuild.
6381
6382 2008-04-17  Cary Coutant  <ccoutant@google.com>
6383
6384         * errors.cc (Errors::info): New function.
6385         (gold_info): New function.
6386         * errors.h (Errors::info): New function.
6387         * gold.h (gold_info): New function.
6388         * object.cc (Input_objects::add_object): Print trace output.
6389         * options.cc (options::parse_set): New function.
6390         (General_options::parse_wrap): Deleted.
6391         (General_options::General_options): Deleted initializer.
6392         * options.h (options::String_set): New typedef.
6393         (options::parse_set): New function.
6394         (DEFINE_set): New macro.
6395         (General_options::wrap): Changed to use DEFINE_set. Changed
6396         callers of any_wrap_symbols and is_wrap_symbol.
6397         (General_options::trace, General_options::trace_symbol):
6398         New options.
6399         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
6400         (General_options::wrap_symbols_): Deleted.
6401         * symtab.cc (Symbol_table::add_from_object): Print trace output.
6402
6403 2008-04-17  David S. Miller  <davem@davemloft.net>
6404
6405         * options.cc (General_options::parse_V): New function.
6406         * options.h: Add entries for -V and -Qy.
6407
6408 2008-04-17  Ian Lance Taylor  <iant@google.com>
6409
6410         * common.cc (Symbol_table::allocate_commons): Remove options
6411         parameter.  Change caller.
6412         (Symbol_table::do_allocate_commons): Remove options parameter.
6413         Change caller.  Just call do_allocate_commons_list twice.
6414         (Symbol_table::do_allocate_commons_list): New function, broken out
6415         of do_allocate_commons.
6416         * common.h (class Allocate_commons_task): Remove options_ field.
6417         Update constructor.
6418         * symtab.cc (Symbol_table::Symbol_table): Initialize
6419         tls_commons_.
6420         (Symbol_table::add_from_object): Put TLS common symbols on
6421         tls_commons_ list.
6422         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
6423         which are IN_OUTPUT_DATA.
6424         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
6425         allocate_commons and do_allocate_commons declarations.  Declare
6426         do_allocate_commons_list.
6427         * gold.cc (queue_middle_tasks): Update creation of
6428         Allocate_commons_task to not pass options.
6429         * testsuite/Makefile.am (INCLUDES): Add -I.. .
6430         (TLS_TEST_C_FLAGS): New variable.
6431         (tls_test_c_pic.o): New target.
6432         (tls_test_shared.so): Link in tls_test_c_pic.o.
6433         (tls_test_c_pic_ie.o): New target.
6434         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
6435         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
6436         (tls_test_c.o): New target.
6437         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
6438         (tls_pic_test_LDADD): Likewise.
6439         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
6440         (tls_shared_gd_to_ie_test_LDADD): Likewise.
6441         (tls_test_c_gnu2.o): New target.
6442         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
6443         tls_test_c_gnu2.o.
6444         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
6445         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
6446         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
6447         * testsuite/tls_test.cc: Include "config.h".
6448         (t_last): Call t11_last.
6449         * testsuite/tls_test.h (t11, t11_last): Declare.
6450         * testsuite/tls_test_c.c: New file.
6451         * testsuite/tls_test_main.cc (thread_routine): Call t11.
6452         * configure.ac: Check for OpenMP support.
6453         * configure, config.in, Makefile.in: Rebuild.
6454         * testsuite/Makefile.in: Rebuild.
6455
6456 2008-04-16  Cary Coutant  <ccoutant@google.com>
6457
6458         * i386.cc (Target_i386::define_tls_base_symbol): New function.
6459         (Target_i386::tls_base_symbol_defined_): New field.
6460         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
6461         (Target_i386::Scan::global): Likewise.
6462         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
6463         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
6464         (Target_x86_64::tls_base_symbol_defined_): New field.
6465         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
6466         (Target_x86_64::Scan::global): Likewise.
6467
6468 2008-04-16  Cary Coutant  <ccoutant@google.com>
6469
6470         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
6471         (Symbol::needs_plt_entry): Allow weak undefined symbols.
6472         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
6473         building shared libraries.
6474         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
6475         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
6476         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
6477         * testsuite/Makefile.in: Rebuild.
6478         * testsuite/weak_undef.h: New file.
6479         * testsuite/weak_undef_file1.cc: Add extra test cases.
6480         * testsuite/weak_undef_file2.cc: Likewise.
6481         * testsuite/weak_undef_test.cc: Likewise.
6482
6483 2008-04-16  David S. Miller  <davem@davemloft.net>
6484
6485         * sparc.cc (Target_sparc::Scan): Change from struct to class.
6486         Add issued_non_pic_error_ field.  Declare check_non_pic.
6487         (Target_sparc::Scan::check_non_pic): New function.
6488         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
6489         (Target_sparc::Scan::global): Likewise.
6490
6491         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
6492         * configure: Rebuild.
6493
6494         * options.h (DEFINE_enable): New macro.
6495         (new_dtags): New enable option.
6496         (initfirst, interpose, loadfltr, nodefaultlib,
6497         nodelete, nodlopen, nodump): New -z options.
6498         * layout.cc (Layout:finish_dynamic_section): If new
6499         dtags enabled, emit DT_RUNPATH.  Also, emit a
6500         DT_FLAGS_1 containing any specified -z flags.
6501
6502 2008-04-16  Ian Lance Taylor  <iant@google.com>
6503
6504         * copy-relocs.cc: New file.
6505         * copy-relocs.h: New file.
6506         * reloc.cc: Remove Copy_relocs code.
6507         * reloc.h: Likewise.
6508         * reloc-types.h (struct Reloc_types) [both versions]: Add
6509         get_reloc_addend_noerror.
6510         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
6511         variants of add_global which take an addend which must be zero.
6512         * i386.cc: Include "copy-relocs.h".
6513         (class Target_i386): Change type of copy_relocs_ to variable,
6514         update initializer.
6515         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
6516         Change all callers.
6517         (Target_i386::do_finalize_sections): Change handling of
6518         copy_relocs_.
6519         * sparc.cc: Include "copy-relocs.h".
6520         (class Target_sparc): Change type of copy_relocs_ to variable,
6521         update initializer.
6522         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
6523         Change all callers.
6524         (Target_sparc::do_finalize_sections): Change handling of
6525         copy_relocs_.
6526         * x86_64.cc: Include "copy-relocs.h".
6527         (class Target_x86_64): Change type of copy_relocs_ to variable,
6528         update initializer.
6529         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
6530         class.  Change all callers.
6531         (Target_x86_64::do_finalize_sections): Change handling of
6532         copy_relocs_.
6533         * Makefile.am (CCFILES): Add copy-relocs.cc.
6534         (HFILES): Add copy-relocs.h.
6535
6536         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
6537
6538         * testsuite/script_test_4.sh: Permit leading zeroes.
6539
6540 2008-04-15  Ian Lance Taylor  <iant@google.com>
6541
6542         * script-sections.cc (Script_sections::create_segments): Use
6543         header_size_adjustment even when there is enough room for the
6544         headers.
6545         * testsuite/script_test_4.sh: New file.
6546         * testsuite/script_test_4.t: New file.
6547         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
6548         (check_DATA): Add script_test_4.stdout.
6549         (MOSTLYCLEANFILES): Likewise.
6550         (script_test_4): New target.
6551         (script_test_4.stdout): New target.
6552         * testsuite/Makefile.in: Rebuild.
6553
6554         * sparc.cc: Add definitions for Output_data_plt_sparc class
6555         constants.
6556
6557 2008-04-14  David S. Miller  <davem@davemloft.net>
6558
6559         * sparc.cc: New file.
6560         * Makefile.am (TARGETSOURCES): Add sparc.cc
6561         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
6562         * configure.tgt: Document targ_extra_size and
6563         targ_extra_big_endian.  Add entries for sparc-* and
6564         sparc64-*.
6565         * configure.ac: Handle targ_extra_size and
6566         targ_extra_big_endian.
6567         * Makefile.in: Rebuild.
6568         * configure: Likewise.
6569         * po/POTFILES.in: Likewise.
6570         * po/gold.pot: Likewise.
6571
6572 2008-04-14  Ian Lance Taylor  <iant@google.com>
6573
6574         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
6575         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
6576         in the name/type/flags to section mapping.  Don't call
6577         allocate_output_section.
6578         (Layout::choose_output_section): Change parameter from adjust_name
6579         to is_input_section.  Don't permit input sections after sections
6580         are attached to segments.  Don't call allocate_output_section.
6581         (Layout::layout_eh_frame): Call update_flags_for_input_section,
6582         not write_enable_output_section.
6583         (Layout::make_output_section): Don't push to
6584         unattached_section_list_ nor call attach_to_segment.  Call
6585         attach_section_to_segment if sections are attached.
6586         (Layout::attach_sections_to_segments): New function.
6587         (Layout::attach_section_to_segment): New function.
6588         (Layout::attach_allocated_section_to_segment): Rename from
6589         attach_to_segment.  Remove flags parameter.
6590         (Layout::allocate_output_section): Remove function.
6591         (Layout::write_enable_output_section): Remove function.
6592         * layout.h (class Layout): Update for above changes.  Add new
6593         field sections_are_attached_.
6594         * output.h (Output_section::update_flags_for_input_section): New
6595         function.
6596         * output.cc (Output_section::add_input_section): Call
6597         update_flags_for_input_section.
6598         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
6599
6600 2008-04-11  Cary Coutant  <ccoutant@google.com>
6601
6602         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
6603         thought unnecessary.
6604         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
6605
6606 2008-04-11  Ian Lance Taylor  <iant@google.com>
6607
6608         * output.h (class Output_section_data): Remove inline definition
6609         of set_addralign.
6610         * output.cc (Output_section_data::set_addralign): New function.
6611
6612 2008-04-11  Cary Coutant  <ccoutant@google.com>
6613
6614         Add support for TLS descriptors for i386 and x86_64.
6615         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
6616         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
6617         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
6618         GOT_TYPE_TLS_DESC.
6619         (Target_i386::got_mod_index_entry): Remove unnecessary code.
6620         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
6621         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
6622         relocations.
6623         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
6624         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
6625         Fix problem with initial-exec relocations.
6626         (Target_i386::Relocate::relocate_tls): Likewise.
6627         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
6628         relaxation.
6629         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
6630         support for section-plus-offset dynamic table entries.
6631         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
6632         (Output_data_dynamic::Dynamic_entry): Add support for
6633         section-plus-offset dynamic table entries.
6634         (Output_data_dynamic::Classification): Likewise.
6635         (Output_data_dynamic::classification_): Renamed offset_.
6636         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
6637         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
6638         (Target_x86_64::make_plt_section): New function.
6639         (Target_x86_64::reserve_tlsdesc_entries): New function.
6640         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
6641         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
6642         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
6643         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
6644         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
6645         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
6646         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
6647         add extra PLT entry for TLS descriptors.
6648         (Output_data_plt_x86_64::got_): New field.
6649         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
6650         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
6651         fields.
6652         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
6653         descriptors.
6654         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
6655         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
6656         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
6657         R_386_TLS_DESC_CALL relocations.
6658         (Target_x86_64::Scan::global): Likewise.
6659         (Target_x86_64::do_finalize_sections): Add dynamic table entries
6660         for TLS descriptors.
6661         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
6662         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
6663         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
6664         GD-to-IE relaxation.
6665         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
6666         and TLS_DESCRIPTORS.
6667         * Makefile.in: Rebuild.
6668         * configure: Rebuild.
6669         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
6670         (tls_test_shared2.so): New target.
6671         (tls_shared_gd_to_ie_test_SOURCES): New variable.
6672         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
6673         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
6674         (tls_shared_gd_to_ie_test_LDADD): New variable.
6675         (tls_shared_gnu2_gd_to_ie_test): New target.
6676         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
6677         New targets.
6678         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
6679         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
6680         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
6681         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
6682         (tls_shared_gnu2_test): New target.
6683         (tls_test_gnu2_shared.so): New target.
6684         (tls_shared_gnu2_test_SOURCES): New variable.
6685         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
6686         (tls_shared_gnu2_test_LDFLAGS): New variable.
6687         (tls_shared_gnu2_test_LDADD): New variable.
6688         * testsuite/Makefile.in: Rebuild.
6689         * testsuite/Makefile.
6690
6691 2008-04-11  Ian Lance Taylor  <iant@google.com>
6692
6693         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
6694         justsyms.t.
6695         * testsuite/Makefile.in: Rebuild.
6696
6697         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
6698         long.
6699         * testsuite/script_test_2.cc (main): Adjust test.
6700
6701 2008-04-11  David S. Miller  <davem@davemloft.net>
6702             Ian Lance Taylor  <iant@google.com>
6703
6704         * options.h (General_options): Add entries for '-Y' and
6705         '-relax'.
6706         * options.cc (General_options:finalize): If -Y was used, add those
6707         entries to the library path instead of the default "/lib" and
6708         "/usr/lib".
6709
6710 2008-04-11  David S. Miller  <davem@davemloft.net>
6711
6712         * testsuite/justsyms.t: Start at 0x100.
6713         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
6714         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
6715         long.
6716         * testsuite/script_test_2.cc: Adjust string and section length
6717         checks.
6718
6719 2008-04-09  Ian Lance Taylor  <iant@google.com>
6720
6721         PR gold/5996
6722         * script-sections.cc (Sections_element::allocate_to_segment): Add
6723         orphan parameter.
6724         (Output_section_definition::allocate_to_segment): Likewise.
6725         (Orphan_output_section::allocate_to_segment): Likewise.
6726         (Script_sections::attach_sections_using_phdrs_clause): Don't
6727         propagate non-PT_LOAD segments to orphan sections.
6728         * testsuite/Makefile.am (script_test_3.stdout): Generate using
6729         readelf rather than objdump.
6730         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
6731         .interp section and PT_INTERP segment are the same size.
6732         * testsuite/Makefile.in: Rebuild.
6733
6734         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
6735         aliases for symbols defined in the same object.
6736         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
6737         (weak_alias_test_SOURCES): New variable.
6738         (weak_alias_test_DEPENDENCIES): New variable.
6739         (weak_alias_test_LDFLAGS): New variable.
6740         (weak_alias_test_LDADD): New variable.
6741         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
6742         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
6743         (weak_alias_test_3.o): New target.
6744         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
6745         * testsuite/weak_alias_test_main.cc: New file.
6746         * testsuite/weak_alias_test_1.cc: New file.
6747         * testsuite/weak_alias_test_2.cc: New file.
6748         * testsuite/weak_alias_test_3.cc: New file.
6749
6750 2008-04-08  Ian Lance Taylor  <iant@google.com>
6751
6752         * options.h (class General_options): Add --noinhibit-exec option.
6753         * main.cc (main): Check --noinhibit-exec.
6754
6755         * options.h (class General_options): Define --wrap as a special
6756         option.  Add wrap_symbols_ field.
6757         (General_options::any_wrap_symbols): New function.
6758         (General_options::is_wrap_symbol): New function.
6759         * options.cc (General_options::parse_wrap): New function.
6760         (General_options::General_options): Initialize wrap_symbols_.
6761         * symtab.cc (Symbol_table::wrap_symbol): New function.
6762         (Symbol_table::add_from_object): Handle --wrap.
6763         * symtab.h (class Symbol_table): Declare wrap_symbol.
6764         * target.h (Target::wrap_char): New function.
6765         (Target::Target_info): Add wrap_char field.
6766         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
6767         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
6768         * testsuite/testfile.cc (Target_test::test_target_info):
6769         Likewise.
6770
6771         * errors.cc (Errors::undefined_symbol): Mention symbol version if
6772         there is one.
6773
6774         * layout.h (class Layout): Add added_eh_frame_data_ field.
6775         * layout.cc (Layout::Layout): Initialize new field.
6776         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
6777         output section until we find a section we merged successfully.
6778         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
6779         that the size be non-zero.
6780
6781         * merge.cc (Object_merge_map::get_output_offset): Remove inline
6782         qualifier.
6783
6784 2008-04-08  Craig Silverstein  <csilvers@google.com>
6785
6786         * configure.ac: Export new conditional variable HAVE_ZLIB.
6787         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
6788         on HAVE_ZLIB.
6789         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
6790         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
6791
6792 2008-04-07  Ian Lance Taylor  <iant@google.com>
6793
6794         * version.cc (version_string): Set to "1.5".
6795
6796         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
6797         Add issued_non_pic_error_ field.  Declare check_non_pic.
6798         (Target_x86_64::Scan::check_non_pic): New function.
6799         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
6800         (Target_x86_64::Scan::global): Likewise.
6801
6802         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
6803         addend parameter.  Change caller.  Handle merge sections.
6804         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
6805         Address to Addend.  Don't add in the result of
6806         local_section_offset, pass down the addend and use the returned
6807         value.
6808         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
6809         Update declarations of local_section_offset and symbol_value.
6810         * testsuite/two_file_test_1.cc (t18): New function.
6811         * testsuite/two_file_test_2.cc (f18): New function.
6812         * testsuite/two_file_test_main.cc (main): Call t18.
6813         * testsuite/two_file_test.h (t18, f18): Declare.
6814
6815         * configure.ac: Don't test for objdump, c++filt, or readelf.
6816         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
6817         conditionals.
6818         (TEST_READELF): New variable.
6819         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
6820         (check_PROGRAMS): Add two_file_strip_test.
6821         (two_file_strip_test): New target.
6822         (check_PROGRAMS): Add two_file_same_shared_strip_test.
6823         (two_file_same_shared_strip_test_SOURCES): New variable.
6824         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
6825         (two_file_same_shared_strip_test_LDFLAGS): New variable.
6826         (two_file_same_shared_strip_test_LDADD): New variable.
6827         (two_file_shared_strip.so): New target.
6828         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
6829         (ver_test_5.syms, ver_test_7.syms): Likewise.
6830         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
6831         (strip_test_3.stdout): Use TEST_OBJDUMP.
6832         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
6833
6834 2008-04-04  Cary Coutant  <ccoutant@google.com>
6835
6836         * symtab.h (Symbol::is_weak_undefined): New function.
6837         (Symbol::is_strong_undefined): New function.
6838         (Symbol::is_absolute): New function.
6839         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
6840         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
6841         absolute symbols.
6842         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
6843         (weak_undef_test): New target.
6844         * testsuite/Makefile.in: Rebuild.
6845         * testsuite/weak_undef_file1.cc: New file.
6846         * testsuite/weak_undef_file2.cc: New file.
6847         * testsuite/weak_undef_test.cc: New file.
6848
6849 2008-04-03  Craig Silverstein  <csilvers@google.com>
6850
6851         * compressed_output.h (class Output_compressed_section): Use
6852         unsigned buffer.
6853         * compressed_output.cc (zlib_compress): Use unsigned buffers,
6854         add zlib header.
6855         (zlib_compressed_suffix): Removed.
6856         (Output_compressed_section::set_final_data_size): Use unsigned
6857         buffers.
6858         * testsuite/Makefile.am (flagstest_compress_debug_sections):
6859         Fix linker invocation.
6860         (flagstest_o_specialfile_and_compress_debug_sections):
6861         Likewise.
6862         * testsuite/Makefile.in: Regenerated.
6863
6864 2008-04-02  David S. Miller  <davem@davemloft.net>
6865
6866         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
6867         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
6868
6869 2008-04-02  Craig Silverstein  <csilvers@google.com>
6870
6871         * TODO: New file.
6872
6873 2008-04-02  Ian Lance Taylor  <iant@google.com>
6874
6875         * fileread.cc (File_read::find_view): Add byteshift and vshifted
6876         parameters.  Update for new key type to views_.  Change all
6877         callers.
6878         (File_read::read): Adjust for byteshift in returned view.
6879         (File_read::add_view): New function, broken out of
6880         find_and_make_view.
6881         (File_read::make_view): New function, broken out of
6882         find_and_make_view.
6883         (File_read::find_or_make_view): Add offset and aligned
6884         parameters.  Rewrite accordingly.  Change all callers.
6885         (File_read::get_view): Add offset and aligned parameters.  Adjust
6886         for byteshift in return value.
6887         (File_read::get_lasting_view): Likewise.
6888         * fileread.h (class File_read): Update declarations.
6889         (class File_read::View): Add byteshift_ field.  Add byteshift to
6890         constructor.  Add byteshift method.
6891         * archive.h (Archive::clear_uncached_views): New function.
6892         (Archive::get_view): Add aligned parameter.  Change all callers.
6893         * object.h (Object::get_view): Add aligned parameter.  Change all
6894         callers.
6895         (Object::get_lasting_view): Likewise.
6896
6897         * fileread.cc (File_read::release): Don't call clear_views if
6898         there are multiple objects.
6899         * fileread.h (File_read::clear_uncached_views): New function.
6900         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
6901         on the archive.
6902
6903 2008-03-31  Cary Coutant  <ccoutant@google.com>
6904
6905         Add thin archive support.
6906         * archive.cc (Archive::armagt): New const.
6907         (Archive::setup): Remove task parameter and calls to unlock.
6908         (Archive::unlock_nested_archives): New function.
6909         (Archive::read_header): Add nested_off parameter. Change
6910         all callers.
6911         (Archive::interpret_header): Likewise.
6912         (Archive::include_all_members): Change to handle thin
6913         archives.
6914         (Archive::include_member): Likewise.
6915         * archive.h (Archive::Archive): Add new parameters and
6916         initializers.
6917         (Archive::armagt): New const.
6918         (Archive::setup): Remove task parameter.
6919         (Archive::unlock_nested_archives): New function.
6920         (Archive::read_header): Add nested_off parameter.
6921         (Archive::interpret_header): Likewise.
6922         (Archive::Nested_archive_table): New typedef.
6923         (Archive::is_thin_archive_): New field.
6924         (Archive::nested_archives_): New field.
6925         (Archive::options_): New field.
6926         (Archive::dirpath_): New field.
6927         (Archive::task_): New field.
6928         * readsyms.cc (Read_symbols::do_read_symbols): Add check
6929         for thin archives.  Pass additional parameters to
6930         Archive::Archive.  Unlock the archive file after calling
6931         Archive::setup.
6932
6933 2008-03-29  Ian Lance Taylor  <iant@google.com>
6934
6935         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
6936         version symbol to be local.
6937         * testsuite/ver_test_4.sh: New file.
6938         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
6939         (check_DATA): Add ver_test_4.syms.
6940         (ver_test_4.syms): New target.
6941         * testsuite/Makefile.in: Rebuild.
6942
6943         * output.cc
6944         (Output_section::Input_section_sort_entry::has_priority): New
6945         function.
6946         (Output_section::Input_section_sort_entry::match_file_name): New
6947         function.
6948         (Output_section::Input_section_sort_entry::match_section_name):
6949         Remove.
6950         (Output_section::Input_section_sort_entry::match_section_name_prefix):
6951         Remove.
6952         (Output_section::Input_section_sort_entry::match_section_file):
6953         Remove.
6954         (Output_section::Input_section_sort_compare::operator()): Rewrite
6955         using new Input_section_sort_entry functions.  Sort crtbegin and
6956         crtend first.  Sort sections with no priority before sections with
6957         a priority.
6958         * testsuite/initpri1.c (d3): Check j != 4.
6959         (cd5): New constructor/destructor function.
6960         (main): Check j != 2.
6961
6962         * symtab.cc (Symbol_table::add_from_object): If we don't use the
6963         new symbol when resolving, don't call set_is_default.
6964         * testsuite/ver_test_7.cc: New file.
6965         * testsuite/ver_test_7.sh: New file.
6966         * testsuite/Makefile.am (ver_test_7.so): New target.
6967         (ver_test_7.o): New target.
6968         (check_SCRIPTS): Add ver_test_7.sh.
6969         (check_DATA): Add ver_test_7.syms.
6970         (ver_test_7.syms): New target.
6971
6972 2008-03-28  Ian Lance Taylor  <iant@google.com>
6973
6974         * layout.cc (Layout::layout): If we see an input section with a
6975         name that needs sorting, set the must_sort flag for the output
6976         section.
6977         (Layout::make_output_section): If the name of the output section
6978         indicates that it might require sorting, set the may_sort flag.
6979         * output.h (Output_section::may_sort_attached_input_sections): New
6980         function.
6981         (Output_section::set_may_sort_attached_input_sections): New
6982         function.
6983         (Output_section::must_sort_attached_input_sections): New
6984         function.
6985         (Output_section::set_must_sort_attached_input_sections): New
6986         function.
6987         (class Output_section): Declare Input_section_sort_entry.  Define
6988         Input_section_sort_compare.  Declare
6989         sort_attached_input_sections.  Add new fields:
6990         may_sort_attached_input_sections_,
6991         must_sort_attached_input_sections_,
6992         attached_input_sections_are_sorted_.
6993         * output.cc (Output_section::Output_section): Initialize new
6994         fields.
6995         (Output_section::add_input_section): Add an entry to
6996         input_sections_ if may_sort or must_sort are true.
6997         (Output_section::set_final_data_size): Call
6998         sort_attached_input_sections if necessary.
6999         (Output_section::Input_section_sort_entry): Define new class.
7000         (Output_section::Input_section_sort_compare::operator()): New
7001         function.
7002         (Output_section::sort_attached_input_sections): New function.
7003         * configure.ac: Check whether the compiler supports constructor
7004         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
7005         * testsuite/initpri1.c: New file.
7006         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
7007         CONSTRUCTOR_PRIORITY.
7008         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
7009         (initpri1_LDFLAGS): New variable.
7010         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
7011
7012 2008-03-27  Ian Lance Taylor  <iant@google.com>
7013
7014         * common.cc (Sort_commons::operator): Correct sorting algorithm.
7015         * testsuite/common_test_1.c: New file.
7016         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
7017         (common_test_1_SOURCES): New variable.
7018         (common_test_1_DEPENDENCIES): New variable.
7019         (common_test_1_LDFLAGS): New variable.
7020
7021         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
7022         and commons_ correctly when NAME/VERSION does not override
7023         NAME/NULL.
7024         * testsuite/ver_test_6.c: New file.
7025         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
7026         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
7027         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
7028
7029 2008-03-26  Ian Lance Taylor  <iant@google.com>
7030
7031         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
7032         of an undefined symbol from a version script.
7033         * testsuite/Makefile.am (ver_test_5.so): New target.
7034         (ver_test_5.o): New target.
7035         (check_SCRIPTS): Add ver_test_5.sh.
7036         (check_DATA): Add ver_test_5.syms.
7037         (ver_test_5.syms): New target.
7038         * testsuite/ver_test_5.cc: New file.
7039         * testsuite/ver_test_5.script: New file.
7040         * testsuite/ver_test_5.sh: New file.
7041         * Makefile.in, testsuite/Makefile.in: Rebuild.
7042
7043         PR gold/5986
7044         Fix problems building gold with gcc 4.3.0.
7045         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
7046         (gold_error_at_location, gold_warning_at_location): Use it.
7047         * configure.ac: Check whether we can compile and use a template
7048         function with a printf attribute.
7049         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
7050         when jumping over bytes.
7051         * object.cc: Instantiate Object::read_section_data.
7052         * debug.h: Include <cstring>
7053         * dwarf_reader.cc: Include <algorithm>
7054         * main.cc: Include <cstring>.
7055         * options.cc: Include <cstring>.
7056         * output.cc: Include <cstring>.
7057         * script.cc: Include <cstring>.
7058         * script.h: Include <string>.
7059         * symtab.cc: Include <cstring> and <algorithm>.
7060         * target-select.cc: Include <cstring>.
7061         * version.cc: Include <string>.
7062         * testsuite/testmain.cc: Include <cstdlib>.
7063         * configure, config.in: Rebuild.
7064
7065 2008-03-25  Ian Lance Taylor  <iant@google.com>
7066
7067         * options.cc: Include "../bfd/bfdver.h".
7068         (options::help): Print bug reporting address.
7069
7070         * version.cc (print_version): Adjust output for current value of
7071         BFD_VERSION_STRING.
7072
7073         * NEWS: New file.
7074
7075         * options.cc (options::help): Print list of supported targets.
7076         * target-select.h: Include <vector>.
7077         (class Target_selector): Make machine_, size_, and is_big_endian_
7078         fields const.  Add bfd_name_ and instantiated_target_ fields.
7079         (Target_selector::Target_selector): Add bfd_name parameter.
7080         (Target_selector::recognize): Make non-virtual, call
7081         do_recognize.
7082         (Target_selector::recognize_by_name): Make non-virtual, call
7083         do_recognize_by_name.
7084         (Target_selector::supported_names): New function.
7085         (Target_selector::bfd_name): New function.
7086         (Target_selector::do_instantiate_target): New pure virtual
7087         function.
7088         (Target_selector::do_recognize): New virtual function.
7089         (Target_selector::do_recognize_by_name): New virtual function.
7090         (Target_selector::instantiate_target): New private function.
7091         (supported_target_names): Declare.
7092         * target-select.cc (Target_selector::Target_selector): Update for
7093         new parameter and fields.
7094         (select_target_by_name): Check that the name matches before
7095         calling recognize_by_name.
7096         (supported_target_names): New function.
7097         * i386.cc (class Target_selector_i386): Update Target_selector
7098         constructor call.  Remove recognize and recognize_by_name.  Add
7099         do_instantiate_target.
7100         * x86_64.cc (class Target_selector_x86_64): Likewise.
7101         * testsuite/testfile.cc (class Target_selector_test): Update for
7102         changes to Target_selector.
7103
7104         * README: Rewrite, with some notes on unsupported features.
7105
7106 2008-03-24  Cary Coutant  <ccoutant@google.com>
7107
7108         * i386.cc (Target_i386::Got_type): New enum declaration.
7109         (Target_i386::Scan::local): Updated callers of Output_data_got
7110         member functions.
7111         (Target_i386::Scan::global): Likewise.
7112         (Target_i386::Relocate::relocate): Likewise.
7113         (Target_i386::Relocate::relocate_tls): Likewise.
7114         * object.h (Got_offset_list): New class.
7115         (Sized_relobj::local_has_got_offset): Added got_type parameter.
7116         (Sized_relobj::local_got_offset): Likewise.
7117         (Sized_relobj::set_local_got_offset): Likewise.
7118         (Sized_relobj::local_has_tls_got_offset): Removed.
7119         (Sized_relobj::local_tls_got_offset): Removed.
7120         (Sized_relobj::set_local_tls_got_offset): Removed.
7121         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
7122         * output.cc (Output_data_got::add_global): Added got_type parameter.
7123         (Output_data_got::add_global_with_rel): Likewise.
7124         (Output_data_got::add_global_with_rela): Likewise.
7125         (Output_data_got::add_global_pair_with_rel): New function.
7126         (Output_data_got::add_global_pair_with_rela): New function.
7127         (Output_data_got::add_local): Added got_type parameter.
7128         (Output_data_got::add_local_with_rel): Likewise.
7129         (Output_data_got::add_local_with_rela): Likewise.
7130         (Output_data_got::add_local_pair_with_rel): New function.
7131         (Output_data_got::add_local_pair_with_rela): New function.
7132         (Output_data_got::add_global_tls): Removed.
7133         (Output_data_got::add_global_tls_with_rel): Removed.
7134         (Output_data_got::add_global_tls_with_rela): Removed.
7135         (Output_data_got::add_local_tls): Removed.
7136         (Output_data_got::add_local_tls_with_rel): Removed.
7137         (Output_data_got::add_local_tls_with_rela): Removed.
7138         * output.h (Output_data_got::add_global): Added got_type parameter.
7139         (Output_data_got::add_global_with_rel): Likewise.
7140         (Output_data_got::add_global_with_rela): Likewise.
7141         (Output_data_got::add_global_pair_with_rel): New function.
7142         (Output_data_got::add_global_pair_with_rela): New function.
7143         (Output_data_got::add_local): Added got_type parameter.
7144         (Output_data_got::add_local_with_rel): Likewise.
7145         (Output_data_got::add_local_with_rela): Likewise.
7146         (Output_data_got::add_local_pair_with_rel): New function.
7147         (Output_data_got::add_local_pair_with_rela): New function.
7148         (Output_data_got::add_global_tls): Removed.
7149         (Output_data_got::add_global_tls_with_rel): Removed.
7150         (Output_data_got::add_global_tls_with_rela): Removed.
7151         (Output_data_got::add_local_tls): Removed.
7152         (Output_data_got::add_local_tls_with_rel): Removed.
7153         (Output_data_got::add_local_tls_with_rela): Removed.
7154         * resolve.cc (Symbol::override_base_with_special): Removed
7155         reference to has_got_offset_ field.
7156         * symtab.cc (Symbol::init_fields): Replaced initialization
7157         of got_offset_ with got_offsets_.  Removed initialization
7158         of has_got_offset_
7159         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
7160         (Symbol::got_offset): Likewise.
7161         (Symbol::set_got_offset): Likewise.
7162         (Symbol::has_tls_got_offset): Removed.
7163         (Symbol::tls_got_offset): Removed.
7164         (Symbol::set_tls_got_offset): Removed.
7165         (Symbol::got_offset_): Removed.
7166         (Symbol::tls_mod_got_offset_): Removed.
7167         (Symbol::tls_pair_got_offset_): Removed.
7168         (Symbol::got_offsets_): New field.
7169         (Symbol::has_got_offset): Removed.
7170         (Symbol::has_tls_mod_got_offset): Removed.
7171         (Symbol::has_tls_pair_got_offset): Removed.
7172         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
7173         (Target_x86_64::Scan::local): Updated callers of Output_data_got
7174         member functions.
7175         (Target_x86_64::Scan::global): Likewise.
7176         (Target_x86_64::Relocate::relocate): Likewise.
7177         (Target_x86_64::Relocate::relocate_tls): Likewise.
7178
7179 2008-03-25  Ben Elliston  <bje@au.ibm.com>
7180
7181         * yyscript.y: Fix spelling error in comment.
7182
7183 2008-03-24  Ian Lance Taylor  <iant@google.com>
7184
7185         * options.h (class General_options): Define build_id option.
7186         * layout.h (class Layout): Declare write_build_id, create_note,
7187         create_build_id.  Add build_id_note_ member.
7188         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
7189         "libiberty.h", "md5.h", "sha1.h".
7190         (Layout::Layout): Initialize eh_frame_data_,
7191         eh_frame_hdr_section_, and build_id_note_.
7192         (Layout::finalize): Call create_build_id.
7193         (Layout::create_note): New function, broken out of
7194         Layout::create_gold_note.
7195         (Layout::create_gold_note): Call create_note.
7196         (Layout::create_build_id): New function.
7197         (Layout::write_build_id): New function.
7198         (Close_task_runner::run): Call write_build_id.
7199
7200         * x86_64.cc: Correct license to GPLv3.
7201
7202 2008-03-23  Ian Lance Taylor  <iant@google.com>
7203
7204         * options.cc: Include "demangle.h".
7205         (parse_optional_string): New function.
7206         (parse_long_option): Handle takes_optional_argument.
7207         (parse_short_option): Update dash_z initializer.  Handle
7208         takes_optional_argument.
7209         (General_options::General_options): Initialize do_demangle_.
7210         (General_options::finalize): Set do_demangle_.  Handle demangling
7211         style.
7212         * options.h (parse_optional_string): Declare.
7213         (struct One_option): Add optional_arg field.  Update constructor.
7214         Update call constructor calls.  Add takes_optional_argument
7215         function.
7216         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
7217         (DEFINE_optional_string): Define.
7218         (General_options::demangle): Change from DEFINE_bool to
7219         DEFINE_optional_string.
7220         (General_options::no_demangle): New function.
7221         (General_options::do_demangle): New function.
7222         (General_options::set_do_demangle): New function.
7223         (General_options::execstack_status_): Move definition to end of
7224         class definition.
7225         (General_options::static_): Likewise.
7226         (General_options::do_demangle_): New field.
7227         * object.cc (big_endian>::get_symbol_location_info): Call
7228         Options::do_demangle, not Options::demangle.
7229         * symtab.cc (demangle): Likewise.
7230
7231 2008-03-22  Ian Lance Taylor  <iant@google.com>
7232
7233         * gold.h: Include <cstddef> and <sys/types.h>
7234         * options.h: Include <cstring>.
7235
7236 2008-03-21  Ian Lance Taylor  <iant@google.com>
7237
7238         * Added source code to GNU binutils.