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