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