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