2010-09-28 Sriraman Tallam <tmsriram@google.com>
[external/binutils.git] / gold / ChangeLog
1 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
2
3         * target.h (Target::can_icf_inline_merge_sections): New virtual
4         function. 
5         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
6         virtual function.
7         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
8         virtual function.
9         * icf.cc (get_section_contents): Inline merge sections only when
10         target allows it.
11
12 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
13
14         * configure: Regenerate.
15
16 2010-09-17  Ian Lance Taylor  <iant@google.com>
17
18         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
19         * testsuite/Makefile.am (memory_test.o): New target.
20         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
21         memory_test.t.
22         * testsuite/Makefile.in: Rebuild.
23
24 2010-09-17  Doug Kwan  <dougkwan@google.com>
25
26         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
27         defintion if relocation uses GOT entries of the symbol.
28         * testsuite/icf_safe_test.sh: Fix test.
29         * testsuite/icf_safe_so_test.sh: Fix test.
30
31 2010-09-16  Cary Coutant  <ccoutant@google.com>
32
33         * script_sections.cc (class Memory_region): Remove "NULL" from
34         vector initializations.
35
36 2010-09-15  Cary Coutant  <ccoutant@google.com>
37
38         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
39         Resolve forwarding symbols.
40
41 2010-09-15  Doug Kwan  <dougkwan@google.com>
42
43         * gold/testsuite/script_test_3.t: Add ARM special sections.
44         * gold/testsuite/script_test_4.t: Same.
45         * gold/testsuite/script_test_5.t: Same.
46         * gold/testsuite/script_test_6.t: Same.
47         * gold/testsuite/script_test_7.t: Same.
48         * gold/testsuite/script_test_7.t: Same.
49         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
50
51 2010-09-14  Cary Coutant  <ccoutant@google.com>
52
53         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
54         (Target_x86_64::Relocate::relocate_tls): Replace check for
55         saw_tls_block_reloc_ with test for executable section.
56
57 2010-09-12  Cary Coutant  <ccoutant@google.com>
58
59         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
60         position-independent executables to shared libraries need dynamic
61         relocations.
62         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
63         position-independent executables.
64         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
65         * testsuite/Makefile.in: Regenerate.
66
67 2010-09-10  Nick Clifton  <nickc@redhat.com>
68
69         PR gold/11997
70         * testsuite/memory_test.t: Discard any sections that are not
71         needed.
72
73 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
74
75         PR gold/11996
76         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
77         "This::" to work around a bug in gcc 4.2.
78
79         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
80
81 2010-09-09  Rafael Espindola  <espindola@google.com>
82
83         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
84         sections with different PF_X flags in the same segment.
85         (Layout::find_first_load_seg): Search all segments to find the first
86         one.
87         * options.h (rosegment): New.
88
89 2010-09-08  Rafael Espindola  <espindola@google.com>
90
91         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
92
93 2010-09-08  Doug Kwan  <dougkwan@google.com>
94
95         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
96         (Arm_relobj::do_relocate_sections): Add new parameter for output
97         file to match the parent.
98         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
99         of local symbols instead of input values.  Update code to track
100         changes in gold::relocate_section.
101         * object.cc (Sized_relobj::compute_final_local_value): New methods.
102         (Sized_relobj::compute_final_local_value_internal): New methods.
103         (Sized_relobj::do_finalize_local_symbols): Move code from loop
104         body into private version of Sized_relobj::compute_final_local_value.
105         Call the inline method.
106         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
107         merged symbol value if there is one.
108         (Symbol_value::has_output_value): New method defintiion.
109         (Sized_relobj::Compute_final_local_value_status): New enum type.
110         (Sized_relobj::compute_final_local_value): New methods.
111         (Sized_relobj::compute_final_local_value_internal): New methods.
112         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
113         and arm_cortex_a8.sh.
114         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
115         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
116         New tests.
117         * Makefile.in: Regenerate.
118         * testsuite/arm_bl_out_of_range.s: Update test.
119         * testsuite/thumb_bl_out_of_range.s: Ditto.
120         * testsuite/thumb_blx_out_of_range.s: Ditto.
121         * testsuite/arm_branch_out_of_range.sh: New file.
122         * testsuite/arm_cortex_a8.sh: Ditto.
123         * testsuite/arm_cortex_a8_b.s: Ditto.
124         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
125         * testsuite/arm_cortex_a8_b_local.s: Ditto.
126         * testsuite/arm_cortex_a8_bl.s: Ditto.
127         * testsuite/arm_cortex_a8_blx.s: Ditto.
128         * testsuite/arm_cortex_a8_local.s: Ditto.
129         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
130         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
131
132 2010-09-08  Rafael Espindola  <espindola@google.com>
133
134         * Makefile.am (memory_test.stdout): Run readelf with -W.
135         * Makefile.in: Regenerate.
136         * testsuite/memory_test.sh: Make the regexps accept both 32 and
137         64 bit output.
138
139 2010-09-08  Rafael Espindola  <espindola@google.com>
140
141         * script-sections.cc (Script_sections::add_memory_region): Convert
142         field precision to int.
143         * script.cc (script_set_section_region, script_set_section_region):
144         Convert field precision to int.
145
146 2010-09-08  Rafael Espindola  <espindola@google.com>
147
148         * arm.cc (do_finalize_sections): Create the __exidx_start and
149         __exdix_end symbols even when the section is missing.
150
151 2010-09-08  Nick Clifton  <nickc@redhat.com>
152
153         * README: Remove claim that MEMORY is not supported.
154         * expression.cc (script_exp_function_origin)
155         (script_exp_function_length): Move from here to ...
156         * script.cc: ... here.
157         (script_set_section_region, script_add_memory)
158         (script_parse_memory_attr, script_include_directive): New
159         functions.
160         * script-sections.cc
161         (class Memory_region): New class.
162         (class Output_section_definition): Add set_memory_region,
163         set_section_vma, set_section_lma and get_section_name methods.
164         (class Script_Sections): Add add_memory_region,
165         find_memory_region, find_memory_region_origin,
166         find_memory_region_length and set_memory_region methods.
167         Have set_section_addresses method walk the list of set memory
168         regions.
169         Extend the print methos to display memory regions.
170         * script-sections.h: Add prototypes for new methods.
171         Add enum for MEMORY region attributes.
172         * yyscript.y: Add support for parsing MEMORY regions.
173         * script-c.h: Add prototypes for new functions.
174         * testsuite/Makefile.am: Add test of MEMORY region functionality.
175         * testsuite/Makefile.in: Regenerate.
176         * testsuite/memory_test.sh: New script.
177         * testsuite/memory_test.s: New assembler source file.
178         * testsuite/memory_test.t: New linker script.
179
180 2010-08-27  Doug Kwan  <dougkwan@google.com>
181
182         * gold/resolve.cc (Symbol_table::should_override): Let a weak
183         reference override an existing dynamic weak reference.
184         * testsuite/Makefile.am: Add new test dyn_weak_ref.
185         * testsuite/Makefile.in: Regenerate.
186         * testsuite/dyn_weak_ref.sh: New file.
187         * testsuite/dyn_weak_ref_1.c: Ditto.
188         * testsuite/dyn_weak_ref_2.c: Ditto.
189
190 2010-08-27  Ian Lance Taylor  <iant@google.com>
191
192         * incremental.h (class Incremental_input_entry): Add virtual
193         destructor.
194
195 2010-08-27  Ian Lance Taylor  <iant@google.com>
196
197         * testsuite/start_lib_test_3.c: Mark t3 as used.
198
199 2010-08-27  Nick Clifton  <nickc@redhat.com>
200
201         * options.cc (version_script): Fix small typo in previous
202         whitespace tidyup.
203
204 2010-08-25  Nick Clifton  <nickc@redhat.com>
205
206         * archive.cc: Formatting fixes: Remove whitespace between
207         typename and following asterisk.  Remove whitespace between
208         function name and opening parenthesis.
209         * archive.h: Likewise.
210         * arm.cc: Likewise.
211         * attributes.cc: Likewise.
212         * attributes.h: Likewise.
213         * common.cc: Likewise.
214         * copy-relocs.cc: Likewise.
215         * dirsearch.h: Likewise.
216         * dynobj.cc: Likewise.
217         * ehframe.cc: Likewise.
218         * ehframe.h: Likewise.
219         * expression.cc: Likewise.
220         * fileread.cc: Likewise.
221         * fileread.h: Likewise.
222         * gc.h: Likewise.
223         * gold-threads.cc: Likewise.
224         * gold.cc: Likewise.
225         * i386.cc: Likewise.
226         * icf.h: Likewise.
227         * incremental-dump.cc: Likewise.
228         * incremental.cc: Likewise.
229         * layout.cc: Likewise.
230         * layout.h: Likewise.
231         * main.cc: Likewise.
232         * merge.cc: Likewise.
233         * merge.h: Likewise.
234         * object.cc: Likewise.
235         * object.h: Likewise.
236         * options.cc: Likewise.
237         * options.h: Likewise.
238         * output.cc: Likewise.
239         * output.h: Likewise.
240         * plugin.cc: Likewise.
241         * plugin.h: Likewise.
242         * powerpc.cc: Likewise.
243         * reloc.cc: Likewise.
244         * script-c.h: Likewise.
245         * script-sections.cc: Likewise.
246         * script.cc: Likewise.
247         * stringpool.cc: Likewise.
248         * symtab.cc: Likewise.
249         * symtab.h: Likewise.
250         * target.cc: Likewise.
251         * timer.cc: Likewise.
252         * timer.h: Likewise.
253         * version.cc: Likewise.
254         * x86_64.cc: Likewise.
255
256 2010-08-24  Nick Clifton  <nickc@redhat.com>
257
258         PR 11899
259         * layout.cc (segment_precedes): Sort segments by their physical
260         addresses, if they have been set.
261
262 2010-08-23  Cary Coutant  <ccoutant@google.com>
263
264         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
265         symbols data.
266         (Lib_group::include_member): Unlock object after deleting its
267         symbols data.
268         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
269         the bug fixed here.
270
271 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
272             Cary Coutant  <ccoutant@google.com>
273
274         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
275         constructor, and set_blocker.
276         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
277         readsyms_blocker_.
278         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
279         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
280         * testsuite/Makefile.am (start_lib_test): New test case.
281         * testsuite/Makefile.in: Regenerate.
282         * testsuite/start_lib_test_main.c: New file.
283         * testsuite/start_lib_test_1.c: New file.
284         * testsuite/start_lib_test_2.c: New file.
285         * testsuite/start_lib_test_3.c: New file.
286
287 2010-08-19  Ian Lance Taylor  <iant@google.com>
288
289         * Makefile.in: Rebuild with automake 1.11.1.
290         * aclocal.m4: Likewise.
291         * testsuite/Makefile.in: Likewise.
292
293 2010-08-19  Ian Lance Taylor  <iant@google.com>
294
295         PR 10893
296         * i386.cc (class Output_data_plt_i386): Update declarations.
297         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
298         local_ifuncs_ fields.
299         (Target_i386::do_plt_section_for_global): New function.
300         (Target_i386::do_plt_section_for_local): New function.
301         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
302         parameter; change all callers.  Initialize global_ifuncs_ and
303         local_ifuncs_.  If doing a static link define __rel_iplt_start and
304         __rel_iplt_end.
305         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
306         (Output_data_plt_i386::add_local_ifunc_entry): New function.
307         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
308         symbols.
309         (Target_i386::make_plt_section): New function, broken out of
310         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
311         (Target_i386::make_plt_entry): Call make_plt_section.
312         (Target_i386::make_local_ifunc_plt_entry): New function.
313         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
314         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
315         R_386_IRELATIVE to switch.
316         (Target_i386::Scan::global): Likewise.
317         (Target_i386::Relocate::relocate): Likewise.
318         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
319         switch.
320         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
321         (Target_x86_64::do_plt_section_for_global): New function.
322         (Target_x86_64::do_plt_section_for_local): New function.
323         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
324         parameter; change all callers.  If doing a static link define
325         __rela_iplt_start and __rela_iplt_end.
326         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
327         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
328         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
329         to point to .plt.
330         (Target_x86_64::make_local_ifunc_plt_entry): New function.
331         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
332         switch.
333         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
334         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
335         R_X86_64_IRELATIVE to switch.
336         (Target_x86_64::Scan::global): Likewise.
337         (Target_x86_64::Relocate::relocate): Likewise.
338         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
339         switch.
340         * target.h (class Target): Add plt_section_for_global and
341         plt_section_for_local functions.  Add do_plt_section_for_global
342         and do_plt_section_for_local virtual functions.
343         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
344         clarifying comments.
345         (Symbol::use_plt_offset): Handle IFUNC symbol.
346         * object.cc (Sized_relobj::Sized_relobj): Initialize
347         local_plt_offsets_.
348         (Sized_relobj::local_has_plt_offset): New function.
349         (Sized_relobj::local_plt_offset): New function.
350         (Sized_relobj::set_local_plt_offset): New function.
351         (Sized_relobj::do_count): Handle IFUNC symbol.
352         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
353         a bit away from input_shndx_ field.  Add set_is_func_symbol and
354         is_ifunc_symbol functions.
355         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
356         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
357         local_plt_offsets_ field.
358         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
359         * output.h (class Output_section_data): Add non-const
360         output_section function.
361         (class Output_data_got): Update declarations.
362         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
363         Add use_plt_offset parameter to global and local constructors.
364         Change all callers.  Change local_sym_index_ field to 31 bits.
365         Change GSYM_CODE and CONSTANT_CODE accordingly.
366         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
367         doing a static link don't set sh_link field.
368         (Output_data_got::Got_entry::write): Use PLT offset if
369         appropriate.
370         (Output_data_got::add_global_plt): New function.
371         (Output_data_got::add_local_plt): New function.
372         * target-reloc.h (relocate_section): Handle IFUNC symbol.
373         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
374         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
375         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
376         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
377         IFUNC conditional.
378         * testsuite/ifunc-sel.h: New file.
379         * testsuite/ifuncmain1.c: New file.
380         * testsuite/ifuncmain1vis.c: New file.
381         * testsuite/ifuncmod1.c: New file.
382         * testsuite/ifuncdep2.c: New file.
383         * testsuite/ifuncmain2.c: New file.
384         * testsuite/ifuncmain3.c: New file.
385         * testsuite/ifuncmod3.c: New file.
386         * testsuite/ifuncmain4.c: New file.
387         * testsuite/ifuncmain5.c: New file.
388         * testsuite/ifuncmod5.c: New file.
389         * testsuite/ifuncmain6pie.c: New file.
390         * testsuite/ifuncmod6.c: New file.
391         * testsuite/ifuncmain7.c: New file.
392         * configure, testsuite/Makefile.in: Rebuild.
393
394 2010-08-18  Ian Lance Taylor  <iant@google.com>
395
396         * incremental.cc
397         (Output_section_incremental_inputs::write_input_files): Add cast
398         to avoid signed/unsigned comparison warning.
399         (Output_section_incremental_inputs::write_info_blocks): Likewise.
400
401 2010-08-12  Cary Coutant  <ccoutant@google.com>
402
403         * common.cc (Sort_commons::operator()): Remove unnecessary code.
404
405 2010-08-13  Ian Lance Taylor  <iant@google.com>
406
407         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
408
409 2010-08-12  Cary Coutant  <ccoutant@google.com>
410             Doug Kwan  <dougkwan@google.com>
411
412         * resolve.cc (Symbol_table::should_override): When a weak dynamic
413         defintion overrides non-weak undef, remember that the original undef
414         is not weak.
415         * symtab.cc (Symbol_table::sized_write_global): For undef without
416         an original weak binding, set binding to global in output.
417         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
418         * testsuite/Makefile.in: Regenerate.
419         * testsuite/strong_ref_weak_def.sh: New file.
420         * testsuite/strong_ref_weak_def_1.c: Ditto.
421         * testsuite/strong_ref_weak_def_2.c: Ditto.
422
423 2010-08-12  Cary Coutant  <ccoutant@google.com>
424
425         * testsuite/incremental_test.sh: Rewrite.
426         * testsuite/incremental_test_1.c: Rewrite.
427         * testsuite/incremental_test_2.c: Rewrite.
428
429 2010-08-12  Cary Coutant  <ccoutant@google.com>
430
431         * arm.cc (Target_arm::got_size): Add const.
432         (Target_arm::got_entry_count): New function.
433         (Target_arm::plt_entry_count): New function.
434         (Target_arm::first_plt_entry_offset): New function.
435         (Target_arm::plt_entry_size): New function.
436         (Output_data_plt_arm::entry_count): New function.
437         (Output_data_plt_arm::first_plt_entry_offset): New function.
438         (Output_data_plt_arm::get_plt_entry_size): New function.
439         * i386.cc (Target_i386::got_size): Add const.
440         (Target_i386::got_entry_count): New function.
441         (Target_i386::plt_entry_count): New function.
442         (Target_i386::first_plt_entry_offset): New function.
443         (Target_i386::plt_entry_size): New function.
444         (Output_data_plt_i386::entry_count): New function.
445         (Output_data_plt_i386::first_plt_entry_offset): New function.
446         (Output_data_plt_i386::get_plt_entry_size): New function.
447         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
448         find_incremental_inputs_sections.  Dump incremental_got_plt section.
449         * incremental.cc: Include target.h.
450         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
451         parameter.  Adjust all callers.  Find incremental_got_plt section.
452         (Incremental_inputs::create_data_sections): Create incremental_got_plt
453         section.
454         (Output_section_incremental_inputs::set_final_data_size): Calculate
455         size of incremental_got_plt section.
456         (Output_section_incremental_inputs::do_write): Write the
457         incremental_got_plt section.
458         (Got_plt_view_info): New struct.
459         (Local_got_offset_visitor): New class.
460         (Global_got_offset_visitor): New class.
461         (Global_symbol_visitor_got_plt): New class.
462         (Output_section_incremental_inputs::write_got_plt): New function.
463         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
464         Add parameter.  Adjust all callers.
465         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
466         (Incremental_inputs::got_plt_section): New function.
467         (Incremental_inputs::got_plt_section_): New data member.
468         (Incremental_got_plt_reader): New class.
469         * layout.cc (Layout::create_incremental_info_sections): Add the
470         incremental_got_plt section.
471         * object.h (Got_offset_list::get_list): New function.
472         (Got offset_list::for_all_got_offsets): New function.
473         (Sized_relobj::local_got_offset_list): New function.
474         * powerpc.cc (Target_powerpc::got_size): Add const.
475         (Target_powerpc::got_entry_count): New function.
476         (Target_powerpc::plt_entry_count): New function.
477         (Target_powerpc::first_plt_entry_offset): New function.
478         (Target_powerpc::plt_entry_size): New function.
479         (Output_data_plt_powerpc::entry_count): New function.
480         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
481         (Output_data_plt_powerpc::get_plt_entry_size): New function.
482         * sparc.cc (Target_sparc::got_size): Add const.
483         (Target_sparc::got_entry_count): New function.
484         (Target_sparc::plt_entry_count): New function.
485         (Target_sparc::first_plt_entry_offset): New function.
486         (Target_sparc::plt_entry_size): New function.
487         (Output_data_plt_sparc::entry_count): New function.
488         (Output_data_plt_sparc::first_plt_entry_offset): New function.
489         (Output_data_plt_sparc::get_plt_entry_size): New function.
490         * symtab.h (Symbol::got_offset_list): New function.
491         (Symbol_table::for_all_symbols): New function.
492         * target.h (Sized_target::got_entry_count): New function.
493         (Sized_target::plt_entry_count): New function.
494         (Sized_target::plt_entry_size): New function.
495         * x86_64.cc (Target_x86_64::got_size): Add const.
496         (Target_x86_64::got_entry_count): New function.
497         (Target_x86_64::plt_entry_count): New function.
498         (Target_x86_64::first_plt_entry_offset): New function.
499         (Target_x86_64::plt_entry_size): New function.
500         (Output_data_plt_x86_64::entry_count): New function.
501         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
502         (Output_data_plt_x86_64::get_plt_entry_size): New function.
503
504 2010-08-12  Cary Coutant  <ccoutant@google.com>
505
506         * archive.cc: Include incremental.h.
507         (Archive::Archive): Initialize incremental_info_.
508         (Archive::include_member): Record archive members in incremental info.
509         (Add_archive_symbols::run): Record begin and end of an archive in
510         incremental info.
511         (Lib_group::include_member): Record objects in incremental info.
512         * archive.h (Incremental_archive_entry): Forward declaration.
513         (Archive::set_incremental_info): New member function.
514         (Archive::incremental_info): New member function.
515         (Archive::Unused_symbol_iterator): New class.
516         (Archive::unused_symbols_begin): New member function.
517         (Archive::unused_symbols_end): New member function.
518         (Archive::incremental_info_): New data member.
519         * incremental-dump.cc (find_input_containing_global): New function.
520         (dump_incremental_inputs): Dump new incremental info sections.
521         * incremental.cc: Include symtab.h.
522         (Output_section_incremental_inputs): New class.
523         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
524         new incremental info sections.
525         (Sized_incremental_binary::do_check_inputs): Likewise.
526         (Incremental_inputs::report_archive): Remove.
527         (Incremental_inputs::report_archive_begin): New function.
528         (Incremental_inputs::report_archive_end): New function.
529         (Incremental_inputs::report_object): New function.
530         (Incremental_inputs::finalize_inputs): Remove.
531         (Incremental_inputs::report_input_section): New function.
532         (Incremental_inputs::report_script): Rewrite.
533         (Incremental_inputs::finalize): Do nothing but finalize string table.
534         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
535         (Incremental_inputs::sized_create_inputs_section_data): Remove.
536         (Incremental_inputs::create_data_sections): New function.
537         (Incremental_inputs::relocs_entsize): New function.
538         (Output_section_incremental_inputs::set_final_data_size): New function.
539         (Output_section_incremental_inputs::do_write): New function.
540         (Output_section_incremental_inputs::write_header): New function.
541         (Output_section_incremental_inputs::write_input_files): New function.
542         (Output_section_incremental_inputs::write_info_blocks): New function.
543         (Output_section_incremental_inputs::write_symtab): New function.
544         * incremental.h (Incremental_script_entry): Forward declaration.
545         (Incremental_object_entry): Forward declaration.
546         (Incremental_archive_entry): Forward declaration.
547         (Incremental_inputs): Forward declaration.
548         (Incremental_inputs_header_data): Remove.
549         (Incremental_inputs_header): Remove.
550         (Incremental_inputs_header_write): Remove.
551         (Incremental_inputs_entry_data): Remove.
552         (Incremental_inputs_entry): Remove.
553         (Incremental_inputs_entry_write): Remove.
554         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
555         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
556         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
557         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
558         Likewise.
559         (Incremental_input_entry): New class.
560         (Incremental_script_entry): New class.
561         (Incremental_object_entry): New class.
562         (Incremental_archive_entry): New class.
563         (Incremental_inputs::Incremental_inputs): Initialize new data members.
564         (Incremental_inputs::report_inputs): Remove.
565         (Incremental_inputs::report_archive): Remove.
566         (Incremental_inputs::report_archive_begin): New function.
567         (Incremental_inputs::report_archive_end): New function.
568         (Incremental_inputs::report_object): Change prototype.
569         (Incremental_inputs::report_input_section): New function.
570         (Incremental_inputs::report_script): Change prototype.
571         (Incremental_inputs::get_reloc_count): New function.
572         (Incremental_inputs::set_reloc_count): New function.
573         (Incremental_inputs::create_data_sections): New function.
574         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
575         (Incremental_inputs::inputs_section): New function.
576         (Incremental_inputs::symtab_section): New function.
577         (Incremental_inputs::relocs_section): New function.
578         (Incremental_inputs::get_stringpool): Add const.
579         (Incremental_inputs::command_line): Add const.
580         (Incremental_inputs::inputs): Remove.
581         (Incremental_inputs::command_line_key): New function.
582         (Incremental_inputs::input_file_count): New function.
583         (Incremental_inputs::input_files): New function.
584         (Incremental_inputs::relocs_entsize): New function.
585         (Incremental_inputs::sized_create_inputs_section_data): Remove.
586         (Incremental_inputs::finalize_inputs): Remove.
587         (Incremental_inputs::Input_info): Remove.
588         (Incremental_inputs::lock_): Remove.
589         (Incremental_inputs::inputs_): Change type.
590         (Incremental_inputs::inputs_map_): Remove.
591         (Incremental_inputs::current_object_entry_): New data member.
592         (Incremental_inputs::inputs_section_): New data member.
593         (Incremental_inputs::symtab_section_): New data member.
594         (Incremental_inputs::relocs_section_): New data member.
595         (Incremental_inputs::reloc_count_): New data member.
596         (Incremental_inputs_reader): New class.
597         (Incremental_symtab_reader): New class.
598         (Incremental_relocs_reader): New class.
599         * layout.cc (Layout::finalize): Move finalization of incremental info
600         and creation of incremental info sections to follow finalization of
601         symbol table.  Set offsets for postprocessing sections.
602         (Layout::create_incremental_info_sections): Call
603         Incremental_inputs::create_data_sections.  Add incremental symtab
604         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
605         sections to layout after input sections.
606         * layout.h (struct Timespec): Forward declaration.
607         (Layout::incremental_inputs): Add const.
608         (Layout::create_incremental_info_sections): Add parameter.
609         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
610         * object.cc: Include incremental.h.
611         (Relobj::finalize_incremental_relocs): New function.
612         (Sized_relobj::do_layout): Record input sections in incremental info.
613         * object.h (Object::output_section): New function.
614         (Object::output_section_offset): Moved from Relobj.
615         (Object::get_incremental_reloc_base): New function.
616         (Object::get_incremental_reloc_count): New function.
617         (Object::do_output_section): New function.
618         (Object::do_output_section_offset): Moved from Relobj.
619         (Object::do_get_incremental_reloc_base): New function.
620         (Object::do_get_incremental_reloc_count): New function.
621         (Object::Object): Initialize new data members.
622         (Relobj::output_section): Renamed do_output_section and moved to
623         protected.
624         (Relobj::output_section_offset): Moved to Object.
625         (Relobj::do_get_incremental_reloc_base): New function.
626         (Relobj::do_get_incremental_reloc_count): New function.
627         (Relobj::allocate_incremental_reloc_counts): New function.
628         (Relobj::count_incremental_reloc): New function.
629         (Relobj::finalize_incremental_relocs): New function.
630         (Relobj::next_incremental_reloc_index): New function.
631         (Relobj::reloc_counts_): New data member.
632         (Relobj::reloc_bases_): New data member.
633         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
634         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
635         (Sized_relobj::incremental_relocs_scan): New function.
636         (Sized_relobj::incremental_relocs_scan_reltype): New function.
637         (Sized_relobj::incremental_relocs_write): New function.
638         (Sized_relobj::incremental_relocs_write_reltype): New function.
639         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
640         incremental link.
641         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
642         archives and object files elsewhere.
643         (Add_symbols::run): Report object files here.
644         (Finish_group::run): Report end of archive at end of group.
645         * reloc.cc: Include layout.h, incremental.h.
646         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
647         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
648         (Sized_relobj::incremental_relocs_scan): New function.
649         (Sized_relobj::incremental_relocs_scan_reltype): New function.
650         (Sized_relobj::do_relocate_sections): Write incremental relocations.
651         (Sized_relobj::incremental_relocs_write): New function.
652         (Sized_relobj::incremental_relocs_write_reltype): New function.
653         * script.cc (read_input_script): Rewrite test for incremental link.
654         Change call to Incremental_inputs::report_script.
655         * symtab.h (Symbol_table::first_global_index): New function.
656         (Symbol_table::output_count): New function.
657
658 2010-08-12  Doug Kwan  <dougkwan@google.com>
659
660         * arm.cc (Target_arm::merge_object_attributes): Check command line
661         options --no-wchar-size-warning and --no-enum-size-warning.
662         * options.h (General_options): Add ld-compatible options
663         --no-enum-size-warning and --no-wchar-size-warning.
664
665 2010-08-04  Ian Lance Taylor  <iant@google.com>
666
667         * x86_64.cc (Target_x86_64::Scan::local): Use
668         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
669         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
670         (Target_x86_64::Scan::global): Likewise.
671         (Target_x86_64::Relocate::relocate): Likewise.
672         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
673         Likewise.
674
675 2010-08-03  Cary Coutant  <ccoutant@google.com>
676
677         * merge.cc (Output_merge_string::do_add_input_section): Count strings
678         to reserve space in merged_strings vector. Keep total input size
679         for stats.
680         (Output_merge_string::do_print_merge_stats): Print total input size.
681         * merge.h (Output_merge_string): Add input_size_ field.
682         * stringpool.cc (Stringpool_template::string_length): Move
683         implementations out of Stringpool_template class and place in
684         stringpool.h.
685         * stringpool.h (string_length): Move out of Stringpool_template.
686
687 2010-08-03  Ian Lance Taylor  <iant@google.com>
688
689         PR 11712
690         * layout.cc (relaxation_loop_body): If address of load segment is
691         set, adjust address to include headers if possible.
692
693 2010-08-03  Ian Lance Taylor  <iant@google.com>
694
695         * version.cc (version_string): Bump to 1.10.
696
697 2010-08-03  Ian Lance Taylor  <iant@google.com>
698
699         PR 11805
700         * layout.h (enum Output_section_order): Define.
701         (class Layout): Update declarations.
702         * layout.cc (Layout::get_output_section): Add order parameter.
703         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
704         is_first_non_relro parameters.  Change all callers.
705         (Layout::choose_output_section): Likewise.
706         (Layout::add_output_section_data): Likewise.
707         (Layout::make_output_section): Likewise.  Set order.
708         (Layout::default_section_order): New function.
709         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
710         * output.cc (Output_section::Output_section): Initialize order_.
711         Don't initialize deleted fields.
712         (Output_segment::Output_segment): Don't initialize deleted
713         fields.
714         (Output_segment::add_output_section_to_load): New function
715         replacing add_output_section.  Change all callers to call this or
716         add_output_section_to_nonload.
717         (Output_segment::add_output_section_to_nonload): New function.
718         (Output_segment::remove_output_section): Rewrite.
719         (Output_segment::add_initial_output_data): Likewise.
720         (Output_segment::has_any_data_sections): Likewise.
721         (Output_segment::is_first_section_relro): Likewise.
722         (Output_segment::maximum_alignment): Likewise.
723         (Output_segment::has_dynamic_reloc): New function replacing
724         dynamic_reloc_count.  Change all callers.
725         (Output_segment::has_dynamic_reloc_list): New function replacing
726         dynamic_reloc_count_list.  Change all callers.
727         (Output_segment::set_section_addresses): Rewrite.
728         (Output_segment::set_offset): Rewrite.
729         (Output_segment::find_first_and_last_list): Remove.
730         (Output_segment::set_tls_offsets): Rewrite.
731         (Output_segment::first_section_load_address): Likewise.
732         (Output_segment::output_section_count): Likewise.
733         (Output_segment::section_with_lowest_load_address): Likewise.
734         (Output_segment::write_section_headers): Likewise.
735         (Output_segment::print_sections_to_map): Likewise.
736         * output.h (class Output_data): Remove dynamic_reloc_count_
737         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
738         (Output_data::add_dynamic_reloc): Rewrite.
739         (Output_data::has_dynamic_reloc): New function.
740         (Output_data::dynamic_reloc_count): Remove.
741         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
742         is_last_relro_, is_first_non_relro_, is_interp_,
743         is_dynamic_linker_section_ fields.  Add order and set_order
744         functions.  Remove is_relro_local, set_is_relro_local,
745         is_last_relro, set_is_last_relro, is_first_non_relro,
746         set_is_first_non_relro functions, is_interp, set_is_interp,
747         is_dynamic_linker_section, and set_is_dynamic_linker_section
748         functions.
749         (class Output_segment): Change Output_data_list from std::list to
750         std:;vector.  Add output_lists_ field.  Remove output_data_ and
751         output_bss_ fields.  Update declarations.
752
753 2010-08-02  Ian Lance Taylor  <iant@google.com>
754
755         * arm.cc (Target_arm::gc_process_relocs): Use typename.
756         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
757         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
758
759 2010-08-02  Ian Lance Taylor  <iant@google.com>
760
761         PR 11855
762         * script.cc (Script_options::Script_options): Initialize
763         symbol_definitions_ and symbol_references_.
764         (Script_options::add_symbol_assignment): Update
765         symbol_definitions_ and symbol_references_.
766         (Script_options::add_symbol_reference): New function.
767         (script_symbol): New function.
768         * script.h (class Script_options): Add symbol_definitions_ and
769         symbol_references_ fields.
770         (Script_options::referenced_const_iterator): New type.
771         (Script_options::referenced_begin): New function.
772         (Script_options::referenced_end): New function.
773         (Script_options::is_referenced): New function.
774         (Script_options::any_unreferenced): New function.
775         * script-c.h (script_symbol): Declare.
776         * yyscript.y (exp): Call script_symbol.
777         * symtab.cc: Include "script.h".
778         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
779         Change all callers.  Check symbols referenced by scripts.
780         (Symbol_table::add_undefined_symbols_from_command_line): Add
781         layout parameter.  Change all callers.
782         (Symbol_table::do_add_undefined_symbols_from_command_line):
783         Likewise.  Break out loop body.  Check symbols referenced by
784         scripts.
785         (Symbol_table::add_undefined_symbol_from_command_line): New
786         function broken out of
787         do_add_undefined_symbols_from_command_line.
788         * symtab.h (class Symbol_table): Update declarations.
789         * archive.cc: Include "layout.h".
790         (Archive::should_include_member): Add layout parameter.  Change
791         all callers.  Check for symbol mentioned in expression.
792         * archive.h (class Archive): Update declaration.
793         * object.cc (Sized_relobj::do_should_include_member): Add layout
794         parameter.
795         * object.h (Object::should_include_member): Add layout parameter.
796         Change all callers.
797         (Object::do_should_include_member): Add layout parameter.
798         (class Sized_relobj): Update declaration.
799         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
800         parameter.
801         * dynobj.h (class Sized_dynobj): Update declaration.
802         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
803         layout parameter.
804         * plugin.h (class Sized_pluginobj): Update declaration.
805
806 2010-08-02  Ian Lance Taylor  <iant@google.com>
807
808         PR 11866
809         * output.cc (Output_segment::set_offset): Search for the first and
810         last sections rather than assuming that the list is in order.
811         (Output_segment::find_first_and_last_list): New function.
812         * output.h (class Output_segment): Update declarations.
813         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
814         (relro_strip_test_SOURCES): New variable.
815         (relro_strip_test_DEPENDENCIES): New variable.
816         (relro_strip_test_LDFLAGS): New variable.
817         (relro_strip_test_LDADD): New variable.
818         (relro_strip_test.so): New target.
819
820 2010-08-02  Ian Lance Taylor  <iant@google.com>
821
822         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
823         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
824         (Target_i386::got_tlsdesc_section): New function.
825         (Target_i386::got_section): Create space for GOT entries for
826         TLSDESC relocations.
827         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
828         R_386_TLS_GOTDESC.
829         (Target_i386::Scan::global): Likewise.
830         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
831         using TLSDESC GOT.
832         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
833         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
834         (Target_x86_64::got_tlsdesc_section): New function.
835         (Target_x86_64::got_section): Create space for GOT entries for
836         TLSDESC relocations.
837         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
838         R_386_TLS_GOTDESC.
839         (Target_x86_64::Scan::global): Likewise.
840         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
841         using TLSDESC GOT.
842
843 2010-08-02  Ian Lance Taylor  <iant@google.com>
844
845         * testsuite/final_layout.sh: Use dc to convert from hex to
846         decimal.
847
848 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
849
850         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
851         paramter to the call to gold::gc_process_relocs.
852         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
853         paramter to the call to gold::gc_process_relocs.
854         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
855         parameter to the call to gold::gc_process_relocs.
856         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
857         template parameter to the call to gold::gc_process_relocs.
858         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
859         paramter to the call to gold::gc_process_relocs.
860         * gc.h (get_embedded_addend_size): New function.
861         (gc_process_relocs): Save the size of the reloc for use by ICF.
862         * icf.cc (get_section_contents): Get the addend from the text section
863         for SHT_REL relocation sections.
864         * icf.h (Icf::Reloc_addend_size_info): New typedef.
865         (Icf::Reloc_info): Add new member reloc_addend_size_info.
866         * int_encoding.h (read_from_pointer): New overloaded function.
867         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
868         * testsuite/icf_sht_rel_addend_test.sh: New file.
869         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
870         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
871
872 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
873
874         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
875         * Makefile.in: Regenerate.
876         * testsuite/Makefile.in: Regenerate.
877
878 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
879
880         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
881         * gold/testsuite/debug_msg.cc: Likewise.
882         * gold/testsuite/odr_violation1.cc
883         * gold/testsuite/odr_violation2.cc
884
885 2010-07-21  Cary Coutant  <ccoutant@google.com>
886
887         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
888         string, and length fields.
889         (Output_merge_string::Merged_strings_list): New type.
890         (Output_merge_string::Merged_strings_lists): New typedef.
891         (Output_merge_string): Replace merged_strings_ with
892         merged_strings_lists_.
893         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
894         Merged_strings_list per input object and section.  Don't store pointer
895         to the string.  Don't store length with each merged string entry.
896         (Output_merge_string::finalize_merged_data): Loop over list of merged
897         strings lists.  Recompute length of each merged string.
898
899 2010-07-15  Cary Coutant  <ccoutant@google.com>
900
901         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
902         here.
903
904 2010-07-14  Ian Lance Taylor  <iant@google.com>
905
906         * descriptors.cc (Descriptors::open): Report correct name in error
907         message.
908
909 2010-07-13  Doug Kwan  <dougkwan@google.com>
910
911         * arm.cc (Arm_input_section::Arm_input_section): For a
912         SHT_ARM_EXIDX section, always keeps the input sections.
913         (Arm_input_section::set_exidx_section_link): New method.
914         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
915         has_errors_ to false.
916         (Arm_exidx_input_section::has_errors,
917         Arm_exidx_input_section::set_has_errors): New methods.
918         (Arm_exidx_input_section::has_errors_): New data member.
919         (Arm_relobj::get_exidx_shndx_list): New method.
920         (Arm_output_section::append_text_sections_to_list): Do not skip
921         section without SHF_EXECINSTR.
922         (Arm_output_section::fix_exidx_coverage): Skip input sections with
923         errors.
924         (Arm_relobj::make_exidx_input_section): Add new parameter for text
925         section header.  Make error messages more verbose.  Check for
926         a non-executable section linked to an EXIDX section.
927         (Arm_relobj::do_read_symbols): Remove error checking, which has been
928         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
929         check that there is no deferred EXIDX section if we exit early.
930         Instead of not making an EXIDX section in case of an error, make one
931         and set the has_errors flag of it.
932         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
933         in a relocatable link.
934         (Target_arm::do_relax): Look for the EXIDX output section instead of
935         assuming that it is called .ARM.exidx.
936         (Target_arm::fix_exidx_coverage): Add a new parameter for input
937         section list.  Do not check for SHF_EXECINSTR section flags but
938         skip any input section with errors.
939         * output.cc (Output_section::Output_section): Initialize
940         always_keeps_input_sections_ to false.
941         (Output_section::add_input_section): Check for
942         always_keeps_input_sections_.
943         *  output.h (Output_section::always_keeps_input_sections,
944         Output_section::set_always_keeps_input_sections): New methods.
945         (Output_section::always_keeps_input_sections): New data member.
946
947 2010-07-13  Rafael Espindola  <espindola@google.com>
948
949         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
950         * fileread.h (Input_file): Add try_extra_search_path and find_file.
951
952 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
953             Ian Lance Taylor  <iant@google.com>
954
955         * output.h (Output_section_lookup_maps::add_merge_section):
956         Correct check of whether value was inserted.
957         (Output_section_lookup_maps::add_merge_input_section): Likewise.
958         (Output_section_lookup_maps::add_relaxed_input_section):
959         Likewise.
960         * arm.cc (Target_arm::got_section): Remove used local os.
961         * i386.cc (Target_i386::got_section): Likewise.
962         * x86_64.cc (Target_x86_64::got_section): Likewise.
963         * sparc.cc (Target_sparc::got_section): Likewise.
964         (Target_sparc::relocate): Remove unused local have_got_offset.
965         * powerpc.cc (Target_powerpc::relocate): Likewise.
966
967 2010-07-13  Ian Lance Taylor  <iant@google.com>
968
969         * compressed_output.cc (zlib_decompress): Fix signature in
970         !HAVE_ZLIB_H case.
971
972         * archive.cc (Archive::include_member): Unlock an external member
973         of a thin archive.  Don't bother to delete an object we know is
974         NULL.
975
976 2010-07-12  Cary Coutant  <ccoutant@google.com>
977
978         * compressed_output.cc (zlib_decompress): New function.
979         (get_uncompressed_size): New function.
980         (decompress_input_section): New function.
981         * compressed_output.h (get_uncompressed_size): New function.
982         (decompress_input_section): New function.
983         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
984         Handle compressed debug sections.
985         * layout.cc (is_compressed_debug_section): New function.
986         (Layout::output_section_name): Map compressed section names to
987         canonical names.
988         * layout.h (is_compressed_debug_section): New function.
989         (is_debug_info_section): Recognize compressed debug sections.
990         * merge.cc: Include compressed_output.h.
991         (Output_merge_data::do_add_input_section): Handle compressed
992         debug sections.
993         (Output_merge_string::do_add_input_section): Handle compressed
994         debug sections.
995         * object.cc: Include compressed_output.h.
996         (Sized_relobj::Sized_relobj): Initialize new data members.
997         (build_compressed_section_map): New function.
998         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
999         * object.h (Object::section_is_compressed): New method.
1000         (Object::do_section_is_compressed): New method.
1001         (Sized_relobj::Compressed_section_map): New type.
1002         (Sized_relobj::do_section_is_compressed): New method.
1003         (Sized_relobj::compressed_sections_): New data member.
1004         * output.cc (Output_section::add_input_section): Handle compressed
1005         debug sections.
1006         * reloc.cc: Include compressed_output.h.
1007         (Sized_relobj::write_sections): Handle compressed debug sections.
1008
1009 2010-07-08  Cary Coutant  <ccoutant@google.com>
1010
1011         * resolve.cc (Symbol_table::resolve): Remember whether undef was
1012         weak when resolving to a dynamic def.
1013         (Symbol_table::should_override): Add adjust_dyndef flag; set it
1014         for weak undef/dynamic def cases. Adjust callers.
1015         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
1016         undef_binding_weak_.
1017         (Symbol_table::sized_write_globals): Adjust symbol binding.
1018         (Symbol_table::sized_write_symbol): Add binding parameter.
1019         * symtab.h (Symbol::set_undef_binding): New method.
1020         (Symbol::is_undef_binding_weak): New method.
1021         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
1022         (Symbol_table::should_override): Add new parameter.
1023         (Symbol_table::sized_write_symbol): Add new parameter.
1024
1025         * testsuite/weak_undef_file1.cc: Add new test case.
1026         * testsuite/weak_undef_file2.cc: Fix header comment.
1027         * testsuite/weak_undef_test.cc: Add new test case.
1028
1029 2010-06-29  Doug Kwan  <dougkwan@google.com>
1030
1031         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
1032         Initialize USE_SYMBOL_.
1033         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
1034         definition.
1035         (Arm_reloc_property::uses_symbol_): New data member declaration.
1036         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
1037         uses symbol value and symbol is undefined but not weakly undefined.
1038
1039 2010-06-28  Rafael Espindola  <espindola@google.com>
1040
1041         * plugin.cc (Plugin::load): Use dlerror.
1042
1043 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
1044
1045         * symtab.cc (detect_odr_violations): When reporting an ODR
1046         violation, report an object where the symbol is defined.
1047
1048 2010-06-25  Doug Kwan  <dougkwan@google.com>
1049
1050         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
1051         (Target_arm::section_may_have_icf_unsafe_pointers): New method
1052         definition.
1053         (Target_arm::Scan::local_reloc_may_be_function_pointer,
1054         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
1055         target hook to detect function points.
1056         (Target_arm::Scan::possible_function_pointer_reloc): New method.
1057         * icf.h (Icf::check_section_for_function_pointers): Change type of
1058         parameter SECTION_NAME to const reference to std::string.  Use
1059         target hook to determine if section may have unsafe pointers.
1060         * target.h (Target::section_may_have_icf_unsafe_pointers): New
1061         method definition.
1062
1063 2010-06-21  Rafael Espindola  <espindola@google.com>
1064
1065         * fileread.cc (Input_file::find_fie): New
1066         (Input_file::open): Use Input_file::find_fie.
1067         * fileread.h (Input_file::find_fie): New
1068         * plugin.cc (set_extra_library_path): New.
1069         (Plugin::load): Add set_extra_library_path to the transfer vector.
1070         (Plugin_manager::set_extra_library_path): New.
1071         (Plugin_manager::add_input_file): Use the extra search path if set.
1072         (set_extra_library_path(): New.
1073         * plugin.h (Plugin_manager): Add set_extra_library_path and
1074         extra_search_path_.
1075
1076 2010-06-19  Cary Coutant  <ccoutant@google.com>
1077
1078         * layout.cc (gdb_sections): Add .debug_types.
1079         (lines_only_debug_sections): Likewise.
1080
1081 2010-06-18  Rafael Espindola  <espindola@google.com>
1082
1083         * plugin.cc (add_input_file,add_input_library)
1084         (Plugin_manager::add_input_file): Make filename arguments const.
1085         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
1086         const.
1087
1088 2010-06-16  Doug Kwan  <dougkwan@google.com>
1089
1090         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
1091         .ARM.attributes section if we have not merged any input
1092         attributes sections.
1093
1094 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1095
1096         * arm.cc: Allow combining objects with no EABI version
1097         information.
1098
1099 2010-06-15  Rafael Espindola  <espindola@google.com>
1100
1101         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
1102
1103 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1104
1105         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
1106         (struct iovec): Correct !HAVE_READV definition.
1107
1108 2010-06-10  Cary Coutant  <ccoutant@google.com>
1109
1110         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
1111         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
1112         reloc sections.
1113         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
1114
1115         PR 11683
1116         * symtab.h (Symbol::is_placeholder): New member function.
1117         * target-reloc.h (relocate_section): Check for placeholder symbols.
1118
1119         * testsuite/Makefile.am (plugin_test_8): New test.
1120         (plugin_test_9): New test.
1121         * testsuite/Makefile.in: Regenerate.
1122
1123 2010-06-09  Nick Clifton  <nickc@redhat.com>
1124
1125         * yyscript.y (input_list_element): Allow strings prefixed with
1126         the '-' character.  Treat these as libraries.
1127         * script.cc (script_add_library): New function.  Adds a library
1128         specified by "-l<name>" found in an input script.
1129         * script-c.h: Add prototype for script_add_library.
1130
1131 2010-06-07  Doug Kwan  <dougkwan@google.com>
1132
1133         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
1134         Restrict stub-group size to be within long conditional branch
1135         range when working around cortex-A8 erratum.
1136
1137 2010-06-07  Damien Diederen  <dd@crosstwine.com>
1138
1139         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
1140         #ifdef typo.
1141
1142 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
1143
1144         PR gold/11658
1145         * output.cc
1146         (Output_section::Input_section_sort_entry::compare_section_ordering):
1147         Change to return non-zero correctly.
1148         (Output_section::Input_section_sort_section_order_index_compare
1149         ::operator()): Change to fix ambiguity in comparisons.
1150
1151 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
1152
1153         * gold.h (is_wildcard_string): New function.
1154         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
1155         (Layout::layout_eh_frame): Ditto.
1156         (Layout::find_section_order_index): New method.
1157         (Layout::read_layout_from_file): New method.
1158         * layout.h (Layout::find_section_order_index): New method.
1159         (Layout::read_layout_from_file): New method.
1160         (Layout::input_section_position_): New private member.
1161         (Layout::input_section_glob_): New private member.
1162         * main.cc (main): Call read_layout_from_file here.
1163         * options.h (--section-ordering-file): New option.
1164         * output.cc (Output_section::input_section_order_specified_): New
1165         member.
1166         (Output_section::Output_section): Initialize new member.
1167         (Output_section::add_input_section): Add new parameter.
1168         Keep input sections when --section-ordering-file is used.
1169         (Output_section::set_final_data_size): Sort input sections when
1170         section ordering file is specified.
1171         (Output_section::Input_section_sort_entry): Add new parameter.
1172         Check sorting type.
1173         (Output_section::Input_section_sort_entry::compare_section_ordering):
1174         New method.
1175         (Output_section::Input_section_sort_compare::operator()): Change to
1176         consider section_order_index.
1177         (Output_section::Input_section_sort_init_fini_compare::operator()):
1178         Change to consider section_order_index.
1179         (Output_section::Input_section_sort_section_order_index_compare
1180         ::operator()): New method.
1181         (Output_section::sort_attached_input_sections): Change to sort
1182         according to section order when specified.
1183         (Output_section::add_input_section<32, true>): Add new parameter.
1184         (Output_section::add_input_section<64, true>): Add new parameter.
1185         (Output_section::add_input_section<32, false>): Add new parameter.
1186         (Output_section::add_input_section<64, false>): Add new parameter.
1187         * output.h (Output_section::add_input_section): Add new parameter.
1188         (Output_section::input_section_order_specified): New
1189         method.
1190         (Output_section::set_input_section_order_specified): New method.
1191         (Input_section::Input_section): Initialize section_order_index_.
1192         (Input_section::section_order_index): New method.
1193         (Input_section::set_section_order_index): New method.
1194         (Input_section::section_order_index_): New member.
1195         (Input_section::Input_section_sort_section_order_index_compare): New
1196         struct.
1197         (Output_section::input_section_order_specified_): New member.
1198         * script-sections.cc (is_wildcard_string): Delete and move modified
1199         method to gold.h.
1200         (Output_section_element_input::Output_section_element_input): Modify
1201         call to is_wildcard_string.
1202         (Output_section_element_input::Input_section_pattern
1203         ::Input_section_pattern): Ditto.
1204         (Output_section_element_input::Output_section_element_input): Ditto.
1205         * testsuite/Makefile.am (final_layout): New test case.
1206         * testsuite/Makefile.in: Regenerate.
1207         * testsuite/final_layout.cc: New file.
1208         * testsuite/final_layout.sh: New file.
1209
1210 2010-06-01  Rafael Espindola  <espindola@google.com>
1211
1212         * plugin.cc (Plugin::load): Pass the output name to the plugin.
1213
1214 2010-06-01  Rafael Espindola  <espindola@google.com>
1215
1216         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
1217         visibility of symbols.
1218
1219 2010-05-27  Doug Kwan  <dougkwan@google.com>
1220
1221         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
1222         from start of output section instead of address for a local symbol
1223         in a merged or relaxed section when doing a relocatable link.
1224
1225 2010-05-26  Rafael Espindola  <espindola@google.com>
1226
1227        PR 11604
1228         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
1229         adding sections the garbage collector removed.
1230         * gold/testsuite/Makefile.am: Add test.
1231         * gold/testsuite/Makefile.in: Regenerate.
1232         * gold/testsuite/plugin_test_7.sh: New.
1233         * gold/testsuite/plugin_test_7_1.c: New.
1234         * gold/testsuite/plugin_test_7_2.c: New.
1235
1236 2010-05-26  Rafael Espindola  <espindola@google.com>
1237
1238         * script-sections.cc (Output_section_definition::set_section_addresses):
1239         Check for --section-start.
1240
1241 2010-05-26  Doug Kwan  <dougkwan@google.com>
1242
1243         * arm.cc (Arm_scan_relocatable_relocs): New class.
1244         (Target_arm::relocate_special_relocatable): New method.
1245         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
1246         (Arm_relocate_functions::thumb_branch_common): Same.
1247         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
1248         instead of Default_scan_relocatable_relocs.
1249         * target-reloc.h (relocate_for_relocatable): Let target handle
1250         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
1251         * target.h (Sized_target::relocate_special_relocatable): New method.
1252
1253 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1254
1255         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
1256
1257 2010-05-23  Doug Kwan  <dougkwan@google.com>
1258
1259         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
1260         instead of a cast.
1261         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
1262         with a direct branch, not a conditional branch, to a stub.
1263         * merge.cc (Output_merge_base::record_input_section): New method
1264         defintion.
1265         (Output_merge_data::do_add_input_section): Record input section if
1266         keeps-input-sections flag is set.
1267         (Output_merge_string::do_add_input_section): Ditto.
1268         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
1269         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
1270         INPUT_SECTIONS_.
1271         (Output_merge_base::keeps_input_sections,
1272         Output_merge_base::set_keeps_input_sections,
1273         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
1274         method definitions.
1275         (Output_merge_base::Input_sections): New type declaration.
1276         (Output_merge_base::input_sections_begin,
1277         Output_merge_base::input_sections_end,
1278         Output_merge_base::do_set_keeps_input_sections): New method definitions.
1279         (Output_merge_base::bool keeps_input_sections_,
1280         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
1281         Output_merge_base::input_sections_): New data members.
1282         (Output_merge_data::do_set_keeps_input_sections): New method
1283         defintion.
1284         (Output_merge_string::do_set_keeps_input_sections): Ditto.
1285         * output.cc (Output_section::Input_section::relobj): Move method
1286         defintion from class declaration to here and handle merge sections.
1287         (Output_section::Input_section::shndx): Ditto.
1288         (Output_section::Output_section): Remove initializations of removed
1289         data members and initialize new data member LOOKUP_MAPS_.
1290         (Output_section::add_input_section): Set keeps-input-sections flag
1291         for a newly created merge output section as appropriate.  Adjust code
1292         to use Output_section_lookup_maps class.
1293         (Output_section::add_relaxed_input_section): Adjst code for lookup
1294         maps code refactoring.
1295         (Output_section::add_merge_input_section): Add a new parameter
1296         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
1297         class.  If adding input section to a newly created merge output
1298         section fails, remove the new merge section.
1299         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
1300         Adjust code for use of the Output_section_lookup_maps class.
1301         (Output_section::find_merge_section): Ditto.
1302         (Output_section::build_lookup_maps): New method defintion.
1303         (Output_section::find_relaxed_input_section): Adjust code to use
1304         Output_section_lookup_maps class.
1305         (Output_section::get_input_sections): Export merge sections.  Adjust
1306         code to use Output_section_lookup_maps class.
1307         (Output_section:::add_script_input_section): Adjust code to use
1308         Output_section_lookup_maps class.  Update lookup maps for merge
1309         sections also.
1310         (Output_section::discard_states): Use Output_section_lookup_maps.
1311         (Output_section::restore_states): Same.
1312         * output.h (Merge_section_properties): Move class defintion out of
1313         Output_section.
1314         (Output_section_lookup_maps): New class.
1315         (Output_section::Input_section::is_merge_section): New method
1316         defintion.
1317         (Output_section::Input_section::relobj): Move defintion out of class
1318         defintion.  Declare method only.
1319         (Output_section::Input_section::shndx): Ditto.
1320         (Output_section::Input_section::output_merge_base): New method defintion.
1321         (Output_section::Input_section::u2_.pomb): New union field.
1322         (Output_section::Merge_section_by_properties_map,
1323         Output_section::Output_section_data_by_input_section_map,
1324         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
1325         Remove types.
1326         (Output_section::add_merge_input_section): Add new parameter
1327         KEEPS_INPUT_SECTIONS.
1328         (Output_section::build_lookup_maps): New method declaration.
1329         (Output_section::merge_section_map_,
1330         Output_section::merge_section_by_properties_map_,
1331         Output_section::relaxed_input_section_map_,
1332         Output_section::is_relaxed_input_section_map_valid_): Remove data
1333         members.
1334         (Output_section::lookup_maps_): New data member.
1335
1336 2010-05-21  Doug Kwan  <dougkwan@google.com>
1337
1338         PR gold/11619
1339         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
1340         avoid a compilation error.
1341
1342 2010-05-19  Rafael Espindola  <espindola@google.com>
1343
1344         * script-sections.cc (Output_section_definition::allocate_to_segment):
1345         Update the phdrs_list even when the output section is NULL.
1346         * testsuite/Makefile.am: Add test.
1347         * testsuite/Makefile.in: Regenerate.
1348         * testsuite/script_test_9.cc: New.
1349         * testsuite/script_test_9.sh: New.
1350         * testsuite/script_test_9.t: New.
1351
1352 2010-05-19  Doug Kwan  <dougkwan@google.com>
1353
1354         * arm.cc (Arm_input_section::original_size): New method.
1355         (Arm_input_section::do_addralign): Add a cast.
1356         (Arm_input_section::do_output_offset): Remove static cast.
1357         (Arm_input_section::original_addralign,
1358          Arm_input_section::original_size_): Change type to uint32_t.
1359         (Arm_input_section::init): Add safe casts for section alignment
1360         and size.
1361         (Arm_input_section::set_final_data_size): Do not set address and
1362         offset of stub table.
1363         (Arm_output_section::fix_exidx_coverage): Change use of of
1364         Output_section::Simple_input_section to that of
1365         Output_section::Input_section.
1366         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
1367         except for the first pass.
1368         * output.cc (Output_section::get_input_sections): Change type of
1369         input_sections to std::list<Input_section>.
1370         (Output_section::add_script_input_section): Rename from
1371         Output_section::add_simple_input_section.  Change type of SIS
1372         parameter from Simple_input_section to Input_section.
1373         * output.h (Output_section::Simple_input_section): Remove class.
1374         (Output_section::Input_section): Change class visibility to public.
1375         (Output_section::Input_section::addralign): Use stored alignments
1376         for special input sections if set.
1377         (Output_section::Input_section::set_addralign): New method.
1378         (Output_section::get_input_sections): Change parameter type from
1379         list of Simple_input_section to list of Input_section.
1380         (Output_section::add_script_input_section): Rename from
1381         Output_section::add_simple_input_section. Change first parameter's
1382         type from Simple_input_section to Input_section and remove the
1383         second and third parameters.
1384         * script-sections.cc (Input_section::Input_section_list): Change
1385         type to list of Output_section::Input_section/
1386         (Input_section_info::Input_section_info): Change parameter type of
1387         INPUT_SECTION to Output_section::Input_section.
1388         (Input_section_info::input_section): Change return type.
1389         (Input_section_info::input_section_): Change type to
1390         Output_section::Input_section.
1391         (Output_section_element_input::set_section_addresses): Adjust code
1392         to use Output_section::Input_section instead of
1393         Output_section::Simple_input_section.  Adjust code for renaming
1394         of Output_section::add_simple_input_section.
1395         (Orphan_output_section::set_section_addresses): Ditto.
1396
1397 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1398
1399         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
1400         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
1401
1402 2010-05-18  Rafael Espindola  <espindola@google.com>
1403
1404         * options.cc (General_options::finalize): Handle -nostdlib.
1405         * options.h (nostdlib): New option.
1406         * script.cc (script_add_search_dir): Handle -nostdlib.
1407
1408 2010-05-12  Doug Kwan  <dougkwan@google.com>
1409
1410         * arm.cc (Target_arm::do_finalize_sections): Create an empty
1411         attributes section only if there no attributes section after merging.
1412         (Target_arm::merge_object_attributes): Move value of
1413         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
1414         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
1415         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
1416         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
1417         and arm_attr_merge_7.stdout.
1418         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
1419         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
1420         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
1421         arm_attr_merge_7b.o): New rules.
1422         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
1423         arm_attr_merge_7
1424         * testsuite/Makefile.in: Regenerate.
1425         * testsuite/arm_attr_merge.sh: New file.
1426         * testsuite/arm_attr_merge_[67][ab].s: Same.
1427
1428 2010-05-05  Nick Clifton  <nickc@redhat.com>
1429
1430         * po/es.po: Updated Spanish translation.
1431
1432 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
1433
1434         * Makefile.am (install-exec-local): Properly install gold as
1435         default cross linker.
1436         * Makefile.in: Regenerated.
1437
1438 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
1439             Nick Clifton  <nickc@redhat.com>
1440
1441         * configure.ac (install_as_default): Define and set to false
1442         unless --enable-gold or --enable-gold=both/gold has been
1443         specified.
1444         * configure: Regenerate.
1445
1446         * Makefile.am (install-exec-local): Install the executable as
1447         'ld.gold'.  If install_as_default is true then also install it as
1448         'ld'.
1449         * Makefile.in: Regenerated.
1450
1451 2010-04-24  Ian Lance Taylor  <iant@google.com>
1452
1453         * layout.cc (Layout::layout_reloc): In relocatable link don't
1454         combine reloc sections for grouped sections.
1455
1456 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
1457
1458         * gc.h (gc_process_relocs): Pass information on relocs pointing to
1459         sections that are not ordinary to icf.
1460         * icf.cc (get_section_contents): Handle relocation pointing to section
1461         with no object or shndx information.
1462         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
1463         * testsuite/Makefile.in: Regenerate.
1464         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
1465         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
1466
1467 2010-04-22  Ian Lance Taylor  <iant@google.com>
1468
1469         * expression.cc (Expression::Expression_eval_info): Add
1470         result_alignment_pointer field.
1471         (Expression::eval_with_dot): Add result_alignment_pointer
1472         parameter.  Change all callers.
1473         (Expression::eval_maybe_dot): Likewise.
1474         (class Binary_expression): Add alignment_pointer parameter to
1475         left_value and right_value.  Change all callers.
1476         (BINARY_EXPRESSION): Set result alignment.
1477         (class Trinary_expression): Add alignment_pointer parameter to
1478         arg2_value and arg3_value.  Change all callers.
1479         (Trinary_cond::value): Set result alignment.
1480         (Max_expression::value, Min_expression::value): Likewise.
1481         (Align_expression::value): Likewise.
1482         * script-sections.cc (class Sections_element): Add dot_alignment
1483         parameter to set_section_addresses virtual function.  Update
1484         instantiations.
1485         (class Output_section_element): Likewise.
1486         (Script_sections::create_segments): Add dot_alignment parameter.
1487         Change all callers.
1488         (Script_sections::create_segments_from_phdrs_clause): Likewise.
1489         (Script_sections::set_phdrs_clause_addresses): Likewise.
1490         * script-sections.h: Update declarations.
1491         * script.h: Update declarations.
1492         * output.h (Output_segment::set_minimum_p_align): Don't decrease
1493         min_p_align.
1494         * testsuite/script_test_3.t: Set large alignment.
1495         * testsuite/script_test_3.sh: Make sure that at least one LOAD
1496         segment has expected alignment.
1497
1498 2010-04-22  Nick Clifton  <nickc@redhat.com>
1499
1500         * po/gold.pot: Updated by the Translation project.
1501         * po/vi.po: Updated Vietnamese translation.
1502
1503 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
1504
1505         * testsuite/Makefile.am (check_PROGRAMS): Add
1506         icf_virtual_function_folding_test.
1507         * testsuite/Makefile.in: Regenerated.
1508
1509 2010-04-15  Andrew Haley  <aph@redhat.com>
1510
1511         * options.h (merge_exidx_entries): New option.
1512         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
1513         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
1514         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
1515         (Target_arm::merge_exidx_entries): New function.
1516         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
1517         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
1518         to Arm_exidx_fixup constructor.
1519         Add new arg, merge_exidx_entries.
1520         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
1521         Arm_output_section::fix_exidx_coverage.
1522
1523 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
1524
1525         * icf.cc (get_section_contents): Check for preemptible functions.
1526         Ignore addend when appropriate.
1527         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
1528         section folded.
1529         (add_from_relobj): Check for section folded.
1530         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
1531         * symtab.h (should_add_dynsym_entry): Add new parameter.
1532         * target-reloc.h (scan_relocs): Check for section folded.
1533         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
1534         Check reloc types for function pointers in shared objects.
1535         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
1536         case.
1537         (icf_preemptible_functions_test): New test case.
1538         (icf_string_merge_test): New test case.
1539         * testsuite.Makefile.in: Regenerate.
1540         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
1541         bar_glob.  Refactor code.
1542         * testsuite/icf_preemptible_functions_test.cc: New file.
1543         * testsuite/icf_preemptible_functions_test.sh: New file.
1544         * testsuite/icf_string_merge_test.cc: New file.
1545         * testsuite/icf_string_merge_test.sh: New file.
1546         * testsuite/icf_virtual_function_folding_test.cc: New file.
1547         * testsuite/icf_virtual_function_folding_test.sh: New file.
1548
1549 2010-04-14  Doug Kwan  <dougkwan@google.com>
1550
1551         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
1552         for local symbol recounting if we remove a section due to ICF.
1553         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
1554         there are no regular objects in input.
1555
1556 2010-04-13  Doug Kwan  <dougkwan@google.com>
1557
1558         * arm.cc (Arm_input_section::set_final_data_size): Compute
1559         accurate final data size instead of using current data size.
1560
1561 2010-04-09  Doug Kwan  <dougkwan@google.com>
1562
1563         * layout.cc (Layout::choose_output_section): Handle script section
1564         types.
1565         (Layout::make_output_section_for_script): Add section type parameter.
1566         Handle script section types.
1567         * layout.h (Layout::make_output_section_for_script): Add section
1568         type parameter.
1569         * output.cc (Output_section::Output_section): Initialize data member
1570         is_noload_.
1571         (Output_section::do_reset_address_and_file_offset): Do not set address
1572         to 0 if section is a NOLOAD section.
1573         * output.h (Output_section::is_noload): New method.
1574         (Output_section::set_is_noload): Ditto.
1575         (Output_section::is_noload_): New data member.
1576         * script-c.h (Script_section_type): New enum type.
1577         (struct Parser_output_section_header): Add new file section_type.
1578         * script-sections.cc (Sections_element::output_section_name): Add
1579         parameter for returning script section type.
1580         (Output_section_definition::output_section_name): Ditto.
1581         (Output_section_definition::section_type)P; New method.
1582         (Output_section_definiton::script_section_type_name): Ditto.
1583         (Output_section_definition::script_section_type_): New data member.
1584         (Output_section_definition::Output_section_definition): Initialize
1585         data member Output_section_definition::script_section_type_.
1586         (Output_section_definition::create_sections): Pass script section type
1587         to Layout::make_output_section_for_script.
1588         (Output_section_definition::output_section_name): Return script
1589         section type to caller.
1590         (Output_section_definition::set_section_address): Do not advance
1591         dot value and load address if section type is NOLOAD.  Set address
1592         of NOLOAD sections regardless of section flags.
1593         (Output_section_definition::print): Print section type if it is
1594         not SCRIPT_SECTION_TYPE_NONE.
1595         (Output_section_definition::section_type): New method.
1596         (Output_section_definition::script_section_type_name): Ditto.
1597         (Script_sections::output_section_name): Add new parameter
1598         PSECTION_TYPE for returning script section type.  Pass it to
1599         section elements.  Handle discard sections.
1600         (Sort_output_sections::operator()): Handle NOLOAD sections.
1601         * script-sections.h (Script_sections::Section_type): New enum type.
1602         (Script_sections::output_section_name): Add a new parameter for
1603         returning script section type.
1604         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
1605         INFO and NOLOAD.
1606         * yyscript.y (union): Add new field SECTION_TYPE.
1607         (COPY, DSECT, INFO, NOLOAD): New tokens.
1608         (opt_address_and_section_type): Change type to output_section_header.
1609         (section_type): New non-terminal
1610         (section_header): Handle section type.
1611         (opt_address_and_section_type): Return section type value.
1612
1613 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
1614
1615         * testsuite/plugin_common_test_1.c (foo): Add prototype.
1616         * testsuite/plugin_common_test_2.c (foo): Likewise.
1617
1618 2010-04-08  Doug Kwan  <dougkwan@google.com>
1619
1620         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
1621         Output_merge_data.
1622         * output.cc (Output_section::add_merge_input_section): Simplify
1623         code and return status of Output_merge_base::add_input_section.
1624         Update merge section map only if Output_merge_base::add_input_section
1625         returns true.
1626
1627 2010-04-07  Doug Kwan  <dougkwan@google.com>
1628
1629         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
1630         if section is marked as containing instructions but has no mapping
1631         symbols.
1632         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
1633         correct section index.
1634         (Arm_relobj::find_linked_text_section): Ditto.
1635
1636 2010-04-07  Cary Coutant  <ccoutant@google.com>
1637
1638         * archive.cc (include_member): Destroy Read_symbols_data object before
1639         releasing file.
1640         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
1641         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
1642         (Read_symbols_data::~Read_symbols_data) New destructor.
1643         (Section_relocs::Section_relocs) New constructor.
1644         (Section_relocs::~Section_relocs) New destructor.
1645         (Read_relocs_data::Read_relocs_data) New constructor.
1646         (Read_relocs_data::~Read_relocs_data) New destructor.
1647         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
1648         pointers to NULL after deleting.
1649
1650 2010-04-07  Doug Kwan  <dougkwan@google.com>
1651
1652         * arm.cc: Replace "endianity" with "endianness" in comments.
1653         (Arm_exidx_cantunwind): Ditto.
1654         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
1655         (Arm_relobj::merge_flags_and_attributes): New method.
1656         (Arm_relobj::merge_flags_and_attributes_): New data member.
1657         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
1658         (Arm_relobj::scan_sections_for_stubs): Ditto.
1659         (Arm_relobj::do_read_symbols): Check to see if we really want to
1660         merge processor-specific flags and attributes.  Exit early if
1661         an object is empty except for section names and the undefined symbol.
1662         (Target_arm::do_finalize_sections): Move check for ELF format to
1663         Arm_relobj::do_read_symbols.  Merge processor specific flags and
1664         attributes from a regular object only when we have determined that
1665         it is aapropriate.  Do not create an .ARM.attributes section in
1666         output if there is no regular input object.
1667         (Target_arm::merge_processor_specific_flags): Check
1668         --warn-mismatch before printing any error.
1669         (Target_arm::merge_object_attributes): Ditto.
1670         * gold.cc (queue_middle_tasks): Handle the case in which there is
1671         no regular object in input.
1672         * options.cc (General_options::parse_EB): New method.
1673         (General_options::parse_EL): Same.
1674         (General_options::General_options): Initialize endianness_.
1675         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
1676         New options.
1677         (General_options::Endianness): New enum.
1678         (General_options::endianness): New method.
1679         (General_options::endianness_): New data member.
1680         * parameters.cc (Parameters::set_options): Check target endianness.
1681         (Parameters::set_target_once): Ditto.
1682         (Parameters::check_target_endianness): New method.
1683         (parameters_force_valid_target): If either -EL or -EB is specified,
1684         use it to define endianness of default target.
1685         * parameters.h (Parameters::check_target_endianness): New method
1686         declaration.
1687         * target.h (class Target): Change "endianity" to "endianness"
1688         in comments.
1689
1690 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1691
1692         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
1693         * configure: Regenerate.
1694         * Makefile.in: Regenerate.
1695         * testsuite/Makefile.in: Regenerate.
1696
1697 2010-04-06  Cary Coutant  <ccoutant@google.com>
1698
1699         gcc PR lto/42757
1700         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
1701         prevailing definitions of common symbols.
1702         * testsuite/plugin_test_6.sh: New test case.
1703         * testsuite/plugin_common_test_1.c: New test case.
1704         * testsuite/plugin_common_test_2.c: New test case.
1705         * testsuite/Makefile.am (plugin_test_6): New test case.
1706         * testsuite/Makefile.in: Regenerate.
1707
1708 2010-04-06  Nick Clifton  <nickc@redhat.com>
1709
1710         * po/vi.po: New Vietnamese translation.
1711
1712 2010-03-30  Doug Kwan  <dougkwan@google.com>
1713
1714         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
1715
1716 2010-03-25  Doug Kwan  <dougkwan@google.com>
1717
1718         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
1719         to avoid a conversion warning on a 32-bit host.
1720
1721 2010-03-24  Ian Lance Taylor  <iant@google.com>
1722
1723         * testsuite/script_test_3.t: Add a TLS segment.
1724         * testsuite/Makefile.am (check_PROGRAMS): Add
1725         tls_phdrs_script_test.
1726         (tls_phdrs_script_test_SOURCES): Define.
1727         (tls_phdrs_script_test_DEPENDENCIES): Define.
1728         (tls_phdrs_script_test_LDFLAGS): Define.
1729         (tls_phdrs_script_test_LDADD): Define.
1730         * testsuite/Makefile.in: Rebuild.
1731
1732 2010-03-23  Cary Coutant  <ccoutant@google.com>
1733
1734         * fileread.cc (find_or_make_view): Fix comment.
1735
1736 2010-03-23  Ian Lance Taylor  <iant@google.com>
1737
1738         * script-sections.cc (class Orphan_section_placement): Define
1739         PLACE_TLS and PLACE_TLS_BSS.
1740         (Orphan_section_placement::Orphan_section_placement): Initialize
1741         new places.
1742         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
1743         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
1744         (tls_script_test_SOURCES): Define.
1745         (tls_script_test_DEPENDENCIES): Define.
1746         (tls_script_test_LDFLAGS): Define.
1747         (tls_script_test_LDADD): Define.
1748         * testsuite/Makefile.in: Rebuild.
1749
1750 2010-03-22  Doug Kwan  <dougkwan@google.com>
1751
1752         * arm.cc (Arm_relocate_functions::abs8,
1753         Arm_relocate_functions::abs16): Use correct check for overflow
1754         specified in the ARM ELF specs.
1755         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
1756         target of a BLX instruction specially.
1757         (Reloc_stub::stub_type_for_reloc): Ditto.
1758         (Relocate::relocate): Use symbolic names instead of numeric relocation
1759         codes to report error.
1760         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
1761         workaround.
1762         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
1763         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
1764         thumb2_blx_out_of_range.stdout
1765         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
1766         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
1767         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
1768         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
1769         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
1770         thumb2_blx_in_range, thumb2_blx_in_range.o,
1771         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
1772         thumb2_blx_out_of_range.o): New rules.
1773         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
1774         thumb2_blx_in_range and thumb2_blx_out_of_range.
1775         * testsuite/Makefile.in: Regenerate.
1776         * arm_branch_in_range.sh: Add tests for THUMB BLX.
1777         * testsuite/thumb_blx_in_range.s: New file.
1778         * testsuite/thumb_blx_out_of_range.s: New file.
1779
1780 2010-03-22  Rafael Espindola  <espindola@google.com>
1781
1782         * archive.cc (Should_include): Move to archive.h.
1783         (should_include_member): Make it a member of Archive.
1784         (Lib_group): New.
1785         (Add_lib_group_symbols): New.
1786         * archive.h: Include options.h.
1787         (Archive_member): Moved from Archive.
1788         (Should_include): Moved from archive.cc.
1789         (Lib_group): New.
1790         (Add_lib_group_symbols): New.
1791         * dynobj.cc (do_should_include_member): New.
1792         * dynobj.h (do_should_include_member): New.
1793         * gold.cc (queue_initial_tasks): Update call to queue.
1794         * main.cc (main): Print lib group stats.
1795         * object.cc (do_should_include_member): New.
1796         * object.h: Include archive.h.
1797         (Object::should_include_member): New.
1798         (Object::do_should_include_member): New.
1799         (Sized_relobj::do_should_include_member): New.
1800         * options.cc (General_options::parse_start_lib): New.
1801         (General_options::parse_end_lib): New.
1802         (Input_arguments::add_file): Handle lib groups.
1803         (Input_arguments::start_group): Check we are not in a lib.
1804         (Input_arguments::start_lib): New.
1805         (Input_arguments::end_lib): New.
1806         * options.h (General_options): Add start_lib and end_lib.
1807         (Input_argument::lib_): New.
1808         (Input_argument::lib): New.
1809         (Input_argument::is_lib): New.
1810         (Input_file_lib): New.
1811         (Input_arguments::in_lib_): New.
1812         (Input_arguments::in_lib): New.
1813         (Input_arguments::start_lib): New.
1814         (Input_arguments::end_lib_): New.
1815         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
1816         in unused members as preempted.
1817         (Sized_pluginobj::do_should_include_member): New.
1818         * plugin.h (Sized_pluginobj::do_should_include_member): New.
1819         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
1820         return the blocker.
1821         (Read_symbols::do_whole_lib_group): New.
1822         (Read_symbols::do_lib_group): New.
1823         (Read_symbols::do_read_symbols): Handle lib groups.
1824         (Read_symbols::get_name): Handle lib groups.
1825         * readsyms.h (Read_symbols): Add an archive member pointer.
1826         (Read_symbols::do_whole_lib_group): New.
1827         (Read_symbols::do_lib_group): New.
1828         (Read_symbols::member_): New.
1829         * script.cc (read_input_script): Update call to queue_soon.
1830
1831 2010-03-19  Doug Kwan  <dougkwan@google.com>
1832
1833         * arm.cc (Stub_table::Stub_table): Initialize new data members
1834         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
1835         (Stub_table::add_reloc_stub): Assign stub offset and update
1836         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
1837         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
1838         New data members.
1839         (Stub_table::update_data_size_and_addralign): Use
1840         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
1841         instead of going over all reloc stubs.
1842         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
1843         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
1844         Stringpool_template::offset_ to size of Stringpool_char.
1845         (Stringpool_template::new_key_offset): Remove code to initialize
1846         Stringpool_template::offset_.
1847         * stringpool.h (Stringpool_template::set_no_zero_null): Set
1848         Stringpool_template::offset_ to zero.
1849
1850 2010-03-15  Doug Kwan  <dougkwan@google.com>
1851
1852         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
1853         offset_.
1854         (Stringpool_template::new_key_offset): New method.
1855         (Stringpool_template::add_string): Assign offsets when adding new
1856         strings.
1857         (Stringpool_template::set_string_offsets): Do not set string offsets
1858         when not optimizing.
1859         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
1860         member size_.
1861         (Chunked_vector::clear): Clear size_.
1862         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
1863         (Chunked_vector::size): Return size_.
1864         (Chunked_vector::push_back): Use size_ to find insert position.
1865         (Chunked_vector::size_): New data member.
1866         (Stringpool_template::set_no_zero_null): Assert string set is empty.
1867         (Stringpool_template::new_key_offset): New method declaration.
1868         (Stringpool_template::offset_): New data member.
1869
1870 2010-03-15   Rafael Espindola  <espindola@google.com>
1871
1872         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
1873         Add_symbols' constructor.
1874         * readsyms.h (Add_symbols): Remove the input_group member.
1875
1876 2010-03-10  Ian Lance Taylor  <iant@google.com>
1877
1878         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
1879         target to ask whether a reference to a symbol requires a stack
1880         split.
1881         * target.h (Target::is_call_to_non_split): New function.
1882         (Target::do_is_call_to_non_split): Declare virtual function.
1883         * target.cc: Include "symtab.h".
1884         (Target::do_is_call_to_non_split): New function.
1885         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
1886
1887 2010-03-10  Cary Coutant  <ccoutant@google.com>
1888
1889         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
1890         (File_read::open[1]): Remove initial mapping of whole_file_view_.
1891         (File_read::open[2]): Add whole_file_view_ to list of views.
1892         (File_read::make_view): Remove test of whole_file_view_.
1893         (File_read::find_or_make_view): Create whole_file_view_ if
1894         necessary.
1895         (File_read::clear_views): Replace bool parameter with enum;
1896         adjust all callers.  Don't delete views with permanent data;
1897         do delete cached views and views from archives if
1898         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
1899         if clearing the corresponding view.
1900         * fileread.h (File_read::Clear_views_mode): New enum.
1901         (File_read::View::is_permanent_view): New method.
1902         (File_read::clear_views): Replace bool parameter
1903         with enum; adjust all callers.
1904         * options.h (General_options): Change keep_files_mapped option;
1905         add map_whole_files.
1906         * readsyms.cc (Add_symbols::run): Delete sd_ object before
1907         releasing the file.
1908         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
1909         the file.
1910
1911 2010-03-10  David S. Miller  <davem@davemloft.net>
1912
1913         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
1914
1915 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
1916
1917         * icf.cc (get_section_contents): Add '@' marker after processing the
1918         merge reloc.
1919
1920 2010-03-08  Doug Kwan  <dougkwan@google.com>
1921
1922         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
1923         due to a conversion warning.
1924         (Arm_relobj::update_output_local_symbol_count): Check for local
1925         symbol with unset output index.
1926
1927 2010-03-05  Ian Lance Taylor  <iant@google.com>
1928
1929         * options.h (class General_options): Add --spare-dynamic-tags.
1930         * output.cc (Output_data_dynamic::set_final_data_size): Implement
1931         --spare-dynamic-tags.
1932
1933 2010-03-05  Ian Lance Taylor  <iant@google.com>
1934
1935         * incremental.cc: Include "libiberty.h".
1936
1937 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1938
1939         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
1940         function, is_info_ member.
1941         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
1942         (Versions::Versions): Update caller.
1943         (Versions::define_base_version): Likewise.
1944         (Versions::add_def): Likewise.
1945
1946 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
1947
1948         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
1949         (Scan::possible_function_pointer_reloc): New function.
1950         (Scan::local_reloc_may_be_function_pointer): Change to call
1951         possible_function_pointer_reloc.
1952         (Scan::global_reloc_may_be_function_pointer): Ditto.
1953         * icf.h (Icf::check_section_for_function_pointers): Change to reject
1954         relocations in ".data.rel.ro._ZTV" section.
1955         * testsuite/icf_safe_so_test.sh: Change to pass i386.
1956         * testsuite/icf_safe_so_test.cc: Ditto.
1957         * testsuite/icf_safe_test.cc: Ditto.
1958         * testsuite/icf_safe_test.sh: Ditto.
1959
1960 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1961             Ian Lance Taylor  <iant@google.com>
1962
1963         * target-reloc.h (relocate_section): Check the symbol table index
1964         for -1U before setting the local symbol index.
1965         (scan_relocatable_relocs): If copying the relocation, record that
1966         the local symbol is required.
1967         * object.h (Symbol_value::is_output_symtab_index_set): New
1968         function.
1969         (Symbol_value::may_be_discarded_from_output_symtab): New
1970         function.
1971         (Symbol_value::has_output_symtab_entry): New function.
1972         (Symbol_value::needs_output_symtab_entry): Remove.
1973         (Symbol_value::output_symtab_index): Make sure the symbol index is
1974         set.
1975         (Symbol_value::set_output_symtab_index): Make sure the symbol
1976         index is not set.  Make sure the new index is valid.
1977         (Symbol_value::set_must_have_output_symtab_entry): New function.
1978         (Symbol_value::has_output_dynsym_entry): New function.
1979         (Symbol_value::set_output_dynsym_index): Make sure the new index
1980         is valid.
1981         (Sized_relobj::set_must_have_output_symtab_entry): New function.
1982         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
1983         local symbol if permitted.
1984         (Sized_relobj::do_finalize_local_symbols): Call
1985         is_output_symtab_index_set rather than needs_output_symtab_entry.
1986         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
1987         rather than needs_output_symtab_entry.  Call
1988         has_output_dynsym_entry rather than needs_output_dynsym_entry.
1989         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
1990         is_output_symtab_index_set rather than needs_output_symtab_entry.
1991         * testsuite/discard_locals_relocatable_test.c: New file.
1992         * testsuite/discard_locals_test.sh: Test -r.
1993         * testsuite/Makefile.am (check_DATA): Add
1994         discard_locals_relocatable_test1.syms,
1995         discard_local_relocatable_test2.syms.
1996         (MOSTLYCLEANFILES): Likewise.  Also add
1997         discard_locals_relocatable_test1.lout and
1998         discard_locals_relocatable_test2.out.
1999         (discard_locals_relocatable_test1.syms): New target.
2000         (discard_locals_relocatable_test.o): New target.
2001         (discard_locals_relocatable_test1.out): New target.
2002         (discard_locals_relocatable_test2.syms): New target.
2003         (discard_locals_relocatable_test2.out): New target.
2004         (various): Add missing ../ld-new dependencies.
2005         * testsuite/Makefile.in: Rebuild.
2006
2007 2010-03-03  Nick Clifton  <nickc@redhat.com>
2008
2009         * po/fi.po: New Finnish translation.
2010
2011 2010-03-01  Doug Kwan  <dougkwan@google.com>
2012
2013         * layout.cc (Layout::Layout): Force section types of .init_array*,
2014         .preinit_array* and .fini_array* sections.
2015         * output.cc (Output_section::Input_section_sort_entry::has_priority):
2016         Fix check of return value of std::string::find.().
2017         (Output_section::Input_section_sort_compare::operator()): Remove
2018         comment about .init_array.
2019         (Output_section::Input_section_sort_init_fini_compare::operator()):
2020         New method.
2021         (Output_section::sort_attached_input_sections): Handle .init_array
2022         and .fini_array specially.
2023         * output.h (Output_section::Inut_section_sort_compare): Update
2024         comment.
2025         (Output_section::Input_section_sort_init_fini_compare): New struct.
2026
2027 2010-02-26  Doug Kwan  <dougkwan@google.com>
2028
2029         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
2030         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
2031         * testsuite/debug_msg.sh: Avoid matching source line number for
2032         use of global variable undef_int.
2033
2034 2010-02-26  Doug Kwan  <dougkwan@google.com>
2035
2036         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
2037         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
2038         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
2039         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
2040         * options.cc (General_options::General_options): Initialize member
2041         fix_v4bx_.
2042         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
2043         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
2044         and rm_no_fix_v4bx.stdout
2045         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
2046         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
2047         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
2048         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
2049         and arm_no_fix_v4bx.
2050         * Makefile.in: Regenerate.
2051         * testsuite/arm_fix_v4bx.s: New file.
2052         * testsuite/arm_fix_v4bx.sh: Ditto.
2053
2054 2010-02-24  Doug Kwan  <dougkwan@google.com>
2055
2056         * arm.cc (Target_arm::got_section): Make the .got section the first
2057         non RELRO section in the data segment.
2058         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
2059         suffixes of section names.
2060
2061 2010-02-24  Doug Kwan  <dougkwan@google.com>
2062
2063         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
2064         flags and attributes merging if an input file is a binary file.
2065         * fileread.cc (Input_file::open): Record format of original file.
2066         * fileread.h (Input_file::Format): New enum type.
2067         (Input_file::Input_file): Initialize data member format_.
2068         (Input_file::format): New method definition.
2069         (Input_file::format_):: New data member.
2070
2071 2010-02-24  Doug Kwan  <dougkwan@google.com>
2072
2073         * arm.cc (Arm_output_data_got): New class.
2074         (ARM_TCB_SIZE): New constant
2075         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
2076         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
2077         If user uses a script with a SECTIONS clause, issue only a warning
2078         for a misplaced EXIDX input section.  Otherwise, issue an error.
2079         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
2080         garbage collection.
2081         (Target_arm::got_mode_index_entry): Handle static linking.
2082         (Target_arm::Scan::local): Ditto.
2083         (Target_arm::Scan::global): Ditto.
2084         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
2085         all incorrectly implemented relocations.
2086         (Target_arm::fix_exidx_coverage): Pass layout to
2087         Arm_output_section::fix_exidx_coverage.
2088         * layout.cc (Layout::section_name_mapping): Remove trailing dots
2089         from ".ARM.exidx." and ".ARM.extab.".
2090
2091 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2092
2093         * arm.cc (Target_arm::do_finalize_sections): Create attribute
2094         section if it does not already exist.
2095         * attributes.cc (Attributes_section_data::Attributes_section_data):
2096         Don't crash if size is zero.
2097
2098 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2099             Ian Lance Taylor  <iant@google.com>
2100
2101         * gold.cc (queue_middle_tasks): If no input files were opened,
2102         exit.
2103         * workqueue.h (Task_function::Task_function): Assert that there is
2104         a blocker.
2105
2106 2010-02-22  Doug Kwan  <dougkwan@google.com>
2107
2108         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
2109         * icf.cc (get_section_contents): Cast snprintf arguments to long long
2110         types to avoid warnings due to different uint64_t implementations
2111         on different hosts.
2112
2113 2010-02-21  Doug Kwan  <dougkwan@google.com>
2114
2115         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
2116         handling of the maximum backward branch offset.
2117         (Arm_relocate_functions::thumb_branch_common): Ditto.
2118         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
2119         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
2120         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
2121         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
2122         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
2123         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
2124         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
2125         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
2126         thumb_bl_out_of_range thumb_bl_out_of_range.o,
2127         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
2128         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
2129         thumb2_bl_out_of_range.o): New rules.
2130         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
2131         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
2132         thumb2_bl_out_of_range
2133         * testsuite/Makefile.in: Regenerate.
2134         * testsuite/arm_bl_in_range.s: New file.
2135         * testsuite/arm_bl_out_of_range.s: Ditto.
2136         * testsuite/arm_branch_in_range.sh: Ditto.
2137         * testsuite/arm_branch_range.t: Ditto.
2138         * testsuite/thumb2_branch_range.t: Ditto.
2139         * testsuite/thumb_bl_in_range.s: Ditto.
2140         * testsuite/thumb_bl_out_of_range.s: Ditto.
2141         * testsuite/thumb_branch_range.t: Ditto.
2142
2143 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
2144
2145         * gc.h (gc_process_relocs): Change vectors to point to the new list.
2146         Add reloc offset information.
2147         * icf.cc (get_section_contents): Change iterators to point to the new
2148         vectors. Add reloc offset information to the contents.
2149         * icf.h (Icf::Sections_reachable_info): New typedef.
2150         (Icf::Sections_reachable_list): New typedef.
2151         (Icf::Offset_info): New typedef.
2152         (Icf::Reloc_info): New struct typedef.
2153         (Icf::Reloc_info_list): New typedef.
2154         (Icf::symbol_reloc_list): Delete method.
2155         (Icf::addend_reloc_list): Delete method.
2156         (Icf::section_reloc_list): Delete method.
2157         (Icf::reloc_info_list): New method.
2158         (Icf::reloc_info_list_): New member.
2159
2160 2010-02-19  Doug Kwan  <dougkwan@google.com>
2161
2162         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
2163         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
2164         * arm.cc (Arm_relocation_functions): New forward declaration.
2165         (Target_arm::Target_arm): Initialize new data members
2166         got_mod_index_offset_ and tls_base_symbol_defined_.
2167         (Target_arm::Relocate::relocate_tls): New method.
2168         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
2169          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
2170         New methods.
2171         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
2172         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
2173         (Target_arm::got_mod_index_offset_,
2174         Target_arm::tls_base_symbol_defined_): New data members.
2175         (Target_arm::Scan::local, Target::Scan::global,
2176         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
2177         relocations.
2178
2179 2010-02-18  Doug Kwan  <dougkwan@google.com>
2180
2181         * arm.cc (Arm_relobj::find_linked_text_section): New method.
2182         (Arm_relobj::make_exidx_input_section): Pass section index of linked
2183         text section as a parameter becuase some broken tools may not set
2184         the link in section header.
2185         (Target_arm::has_got_section): New method.
2186         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
2187         without any mapping symbol as data only.  Remove warning.
2188         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
2189         link in its section header, try to discover the link by inspecting the
2190         REL31 relocation at the beginning of the section.
2191         (Target_arm::Scan::check_non_pic): Report name of offending relocation
2192         in error message.
2193         (Target_arm::Scan::global): Treat any reference to the symbol
2194         _GLOBAL_OFFSET_TABLE_ as a GOT access.
2195
2196 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
2197
2198         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
2199         (Scan::global_reloc_may_be_function_pointer): New function.
2200         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
2201         (Scan::global_reloc_may_be_function_pointer): New function.
2202         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
2203         (Scan::global_reloc_may_be_function_pointer): New function.
2204         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
2205         (Scan::global_reloc_may_be_function_pointer): New function.
2206         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
2207         (Scan::global_reloc_may_be_function_pointer): New function.
2208         (Scan::possible_function_pointer_reloc): New function.
2209         (Target_x86_64::can_check_for_function_pointers): New function.
2210         * gc.h (gc_process_relocs): Scan relocation types to determine if
2211         function pointers were taken for targets that support it.
2212         * icf.cc (Icf::find_identical_sections): Include functions for
2213         folding in safe ICF whose pointer is not taken.
2214         * icf.h (Secn_fptr_taken_set): New typedef.
2215         (fptr_section_id_): New member.
2216         (section_has_function_pointers): New function.
2217         (set_section_has_function_pointers): New function.
2218         (check_section_for_function_pointers): New function.
2219         * options.h: Fix comment for safe ICF option.
2220         * target.h (can_check_for_function_pointers): New function.
2221         * testsuite/Makefile.am: Add icf_safe_so_test test case.
2222         Modify icf_safe_test for X86-64.
2223         * testsuite/Makefile.in: Regenerate.
2224         * testsuite/icf_safe_so_test.cc: New file.
2225         * testsuite/icf_safe_so_test.sh: New file.
2226         * testsuite/icf_safe_test.cc (kept_func_3): New function.
2227         (main): Change to take pointer to function kept_func_3.
2228         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
2229         folding is done correctly for X86-64.
2230
2231 2010-02-12  David S. Miller  <davem@davemloft.net>
2232
2233         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
2234         is_symbolless parameter.
2235         (Output_reloc<SHT_REL>::is_symbolless): New.
2236         (Output_reloc<SHT_REL>::is_symbolless_): New.
2237         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
2238         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
2239         (Output_reloc<SHT_RELA>::is_symbolless): New.
2240         (Output_data_reloc::add_global): Handle is_symbolless.
2241         (Output_data_reloc::add_global_relative): Likewise.
2242         (Output_data_reloc::add_local): Likewise.
2243         (Output_data_reloc::add_local_relative): Likewise.
2244         (Output_data_reloc::add_symbolless_global_addend): New.
2245         (Output_data_reloc::add_symbolless_local_addend): New.
2246         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
2247         is_symbolless.
2248         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
2249         instead of ->is_relative_
2250         (Output_reloc::write): Likewise.
2251         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
2252         (Output_reloc::write_rel): Simplify.
2253
2254         * sparc.cc (Target_sparc::Scan::local): Use
2255         ->add_symbolless_local_addend as needed.
2256         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
2257         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
2258         based upon relocation offset.
2259
2260 2010-02-11  Doug Kwan  <dougkwan@google.com>
2261
2262         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
2263         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
2264         beginning of function.
2265         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
2266         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
2267         parameter is_32bit in calls to should_apply_static_reloc.
2268         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
2269         (check_DATA): Add arm_abs_global.stdout.
2270         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
2271         arm_abs_global.stdout): New rules.
2272         (MOSTLLYCLEANFILES): Add arm_abs_global
2273         * Makefile.in: Regenerate.
2274         * testsuite/arm_abs_global.s: New file.
2275         * testsuite/arm_abs_global.sh: Ditto.
2276         * testsuite/arm_abs_lib.s: Ditto.
2277
2278 2010-02-11  Ian Lance Taylor  <iant@google.com>
2279
2280         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
2281         Read_relocs task.
2282         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
2283         Allocate_commons_task first.
2284         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
2285         task, rather than symtab_lock_.
2286         (Gc_process_relocs::~Gc_process_relocs): New function.
2287         (Gc_process_relocs::is_runnable): Check this_blocker_.
2288         (Gc_process_relocs::locks): Use next_blocker_ rather than
2289         blocker_.
2290         (Scan_relocs::~Scan_relocs): New function.
2291         (Scan_relocs::is_runnable): Check this_blocker_ rather than
2292         symtab_lock_.
2293         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
2294         next_blocker_.
2295         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
2296         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
2297         constructor accordingly.
2298         (class Gc_process_relocs): Likewise.
2299         (class Scan_relocs): Likewise.
2300         * common.h (class Allocate_commons_task): Remove symtab_lock_
2301         field, and corresponding constructor parameter.
2302         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
2303         symtab_lock_.
2304         (Allocate_commons_task::locks): Likewise.
2305
2306 2010-02-11  Ian Lance Taylor  <iant@google.com>
2307
2308         * gold-threads.h (class Once): Define.
2309         (class Initialize_lock): Rewrite as child of Once.
2310         * gold-threads.cc (class Once_initialize): Define.
2311         (once_pointer_control): New static variable.
2312         (once_pointer, once_arg): New static variables.
2313         (c_run_once): New static function.
2314         (Once::Once, Once::run_once, Once::internal_run): New functions.
2315         (class Initialize_lock_once): Remove.
2316         (initialize_lock_control): Remove.
2317         (initialize_lock_pointer): Remove.
2318         (initialize_lock_once): Remove.
2319         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
2320         (Initialize_lock::initialize): Rewrite.
2321         (Initialize_lock::do_run_once): New function.
2322         * archive.cc (Archive::interpret_header): Only clear name if it is
2323         not already empty.
2324         * fileread.cc: Include "gold-threads.h"
2325         (file_counts_lock): New static variable.
2326         (file_counts_initialize_lock): Likewise.
2327         (File_read::release): Only increment counts when using --stats.
2328         Use a lock around the increment.
2329         * parameters.cc (class Set_parameters_target_once): Define.
2330         (set_parameters_target_once): New static variable.
2331         (Parameters::Parameters): Move here from parameters.h.
2332         (Parameters::set_target): Rewrite.
2333         (Parameters::set_target_once): New function.
2334         (Parameters::clear_target): Move here and rewrite.
2335         * parameters.h (class Parameters): Update declarations.  Add
2336         set_parameters_target_once_ field.
2337         (Parameters::Parameters): Move to parameters.cc.
2338         (Parameters::clear_target): Likewise.
2339         * readsyms.cc (Read_symbols::do_group): Create a Start_group
2340         task.
2341         (Start_group::~Start_group): New function.
2342         (Start_group::is_runnable): New function.
2343         (Start_group::locks, Start_group::run): New functions.
2344         (Finish_group::run): Change saw_undefined to size_t.
2345         * readsyms.h (class Start_group): Define.
2346         (class Finish_group): Change saw_undefined_ field to size_t.
2347         (Finish_group::Finish_group): Remove saw_undefined and
2348         this_blocker parameters.  Change all callers.
2349         (Finish_group::set_saw_undefined): New function.
2350         (Finish_group::set_blocker): New function.
2351         * symtab.h (class Symbol_table): Change saw_undefined to return
2352         size_t.  Change saw_undefined_ field to size_t.
2353         * target-select.cc (Set_target_once::do_run_once): New function.
2354         (Target_selector::Target_selector): Initialize set_target_once_
2355         field.  Don't initialize lock_ and initialize_lock_ fields.
2356         (Target_selector::instantiate_target): Rewrite.
2357         (Target_selector::set_target): New function.
2358         * target-select.h (class Set_target_once): Define.
2359         (class Target_selector): Update declarations.  Make
2360         Set_target_once a friend.  Remove lock_ and initialize_lock_
2361         fields.  Add set_target_once_ field.
2362
2363 2010-02-10  Ian Lance Taylor  <iant@google.com>
2364
2365         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
2366         queueing any tasks.
2367         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
2368         (queue_middle_tasks): Add all blockers before queueing any tasks.
2369         (queue_final_tasks): Likewise.
2370         * token.h (Task_token::add_blockers): New function.
2371         * object.h (Input_objects::number_of_relobjs): New function.
2372
2373 2010-02-10  Ian Lance Taylor  <iant@google.com>
2374
2375         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
2376         shared, not if not position independent.
2377         * x86_64.cc (Relocate::relocate_tls): Likewise.
2378         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
2379         (tls_pie_pic_test): New target.
2380         * testsuite/Makefile.in: Rebuild.
2381
2382         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
2383         (tls_test_main_pie.o, tls_test_pie.o): New targets.
2384         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
2385         * testsuite/Makefile.in: Rebuild.
2386
2387 2010-02-09  David S. Miller  <davem@davemloft.net>
2388
2389         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
2390         R_SPARC_RELATIVE using ->add_local_relative().
2391         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
2392
2393         * output.h (Output_data_dynamic::add_section_size): New method
2394         that takes two Output_data objects.
2395         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
2396         entry param.  Handle it in initializers.
2397         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
2398         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
2399         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
2400         arg.
2401         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
2402         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
2403         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
2404         for dynrel_includes_plt.
2405         * i386.cc (Target_i386::do_finalize_sections): Likewise.
2406         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
2407         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
2408         before .rela.plt
2409         (Target_sparc::do_finalize_sections): Update to pass true for
2410         dynrel_includes_plt.
2411         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
2412         output before .rela.plt
2413         (Target_powerpc::do_finalize_sections): Update to pass true for
2414         dynrel_includes_plt when 32-bit.
2415
2416 2010-02-08  Doug Kwan  <dougkwan@google.com>
2417
2418         * arm.cc (Arm_relobj::simple_input_section_output_address): New
2419         method.
2420         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
2421         Arm_relobj::scan_section_for_cortex_a8_stubs,
2422         Arm_relobj::do_relocation_section): Instead of calling
2423         Output_section::output_address, use faster
2424         Arm_relobj::simple_input_section_output_address.
2425
2426 2010-02-08  David S. Miller  <davem@davemloft.net>
2427
2428         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
2429         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
2430         relocation helper function.
2431
2432         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
2433         just like R_SPARC_GOT{10,13,22}.
2434         (Target_sparc::Scan::local): Likewise.
2435         (Target_sparc::Relocate:relocate): Likewise.
2436
2437 2010-02-06  Ian Lance Taylor  <iant@google.com>
2438
2439         * configure.ac: Rewrite targetobjs duplicate removal code to use
2440         only shell constructs.
2441         * configure: Rebuild.
2442
2443 2010-02-05  Doug Kwan  <dougkwan@google.com>
2444
2445         PR 11247
2446         * arm.cc (Arm_relobj::section_is_scannable): New method.
2447         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
2448         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
2449
2450 2010-02-04  Doug Kwan  <dougkwan@google.com>
2451
2452         PR 11247
2453         * arm-reloc-property.cc (cstdio): Include.
2454         * configure.ac (targetobjs): Remove duplicates.
2455         * configure: Regenerate.
2456         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
2457         big and little endian version for a given address size.
2458
2459 2010-02-03  Doug Kwan  <dougkwan@google.com>
2460
2461         * arm-reloc-property.cc
2462         (Arm_reloc_property_table::reloc_name_in_error_message): New method
2463         definition.
2464         * arm-reloc-property.h
2465         (Arm_reloc_property_table::get_implemented_static_reloc_property):
2466         New method definition.
2467         (Arm_reloc_property_table::reloc_name_in_error_message): New method
2468         declaration.
2469         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
2470         overflow to N.
2471         (GOT_PREL): Change implemented to Y.
2472         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
2473         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
2474         (Arm_relocate_functions::movw_abs_nc): Remove method.
2475         (Arm_relocate_functions::movt_abs): Ditto.
2476         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
2477         (Arm_relocate_functions::thm_movt_abs): Ditto.
2478         (Arm_relocate_functions::movw_rel_nc): Ditto.
2479         (Arm_relocate_functions::movw_rel): Ditto.
2480         (Arm_relocate_functions::movt_rel): Ditto.
2481         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
2482         (Arm_relocate_functions:thm_movw_rel): Ditto.
2483         (Arm_relocate_functions:thm_movt_rel): Ditto.
2484         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
2485         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
2486         New method definitions.
2487         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
2488         (Arm_relocation_functions::arm_grp_ldr): Ditto.
2489         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
2490         (Arm_relocation_functions::arm_grp_ldc): Ditto.
2491         (Target_arm::Relocate::relocate): Check for non-static or
2492         unimplemented relocation code and exit early.  Change calls to
2493         Target_arm::reloc_uses_thumb_bit and
2494         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
2495         instead.  Refactor code to handle similar relocations to increase
2496         code sharing.  Remove check for unsupported relocation code in switch
2497         statement.
2498         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
2499         relocation property table to find out size.  Change error message to
2500         print out the name of a relocation code instead of the numeric value.
2501         (Target_arm::scan_reloc_for_stub): Use relocation property table
2502         instead of calling Target_arm::reloc_uses_thumb_bit().
2503
2504 2010-02-02  Doug Kwan  <dougkwan@google.com>
2505
2506         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
2507         types of relaxed input section.
2508
2509 2010-02-02  Doug Kwan  <dougkwan@google.com>
2510
2511         * Makefile.am (HFILES): Add arm-reloc-property.h.
2512         (DEFFILES): New.
2513         (TARGETSOURCES): Add arm-reloc-property.cc
2514         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
2515         (libgold_a_SOURCES): $(DEFFILES)
2516         * Makefile.in: Regenerate.
2517         * arm-reloc-property.cc: New file.
2518         * arm-reloc-property.h: New file.
2519         * arm-reloc.def: New file.
2520         * arm.cc: Update comments.
2521         (arm-reloc-property.h): New included header.
2522         (arm_reloc_property_table): New global variable.
2523         (Target_arm::do_select_as_default_target): New method definition.
2524         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
2525         arm-reloc-property to targ_extra_obj.
2526         * parameters.cc (set_parameters_target): Call
2527         Target::select_as_default_target().
2528         * target.h (Target::select_as_default_target): New method definition.
2529         (Target::do_select_as_default_target): Same.
2530
2531 2010-02-01  Doug Kwan  <dougkwan@google.com>
2532
2533         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
2534         first_output_text_section_.
2535         (Arm_exidx_fixup::first_output_text_section): New method definition.
2536         (Arm_exidx_fixup::first_output_text_section_): New data member.
2537         (Arm_exidx_fixup::process_exidx_section): Record the first text
2538         output section seen.
2539         (Arm_output_section::fix_exidx_coverage): Set correct linked section
2540         and entsize in output section header.
2541
2542 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2543
2544         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
2545         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
2546         (Arm_relocate_functions::thm_alu11): New Method.
2547         (Arm_relocate_functions::thm_pc8): New Method.
2548         (Arm_relocate_functions::thm_pc12): New Method.
2549         (Target_arm::Scan::local): Handle the relocations.
2550         (Target_arm::Scan::global): Likewise.
2551         (Target_arm::Relocate::relocate): Likewise.
2552         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
2553
2554 2010-01-29  Doug Kwan  <dougkwan@google.com>
2555
2556         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
2557         of relocation types as ld.
2558
2559 2010-01-29  Doug Kwan  <dougkwan@google.com>
2560
2561         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
2562         to public.
2563         (Arm_relocate_functions::thumb_branch_common): Ditto.
2564         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
2565         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
2566         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
2567         Arm_relocate_functions::jump24): Remove.
2568         (Target_arm::Relocate::relocate): Adjust code to call
2569         Arm_relocation_functions::arm_branch_common and
2570         Arm_relocation_functions::thumb_branch_common instead of their removed
2571         wrappers.  Merge switch-cases together to reduce source code size.
2572
2573 2010-01-29  Doug Kwan  <dougkwan@google.com>
2574
2575         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
2576         output_local_symbol_count_needs_update_.
2577         (Arm_relobj::output_local_symbol_count_needs_update,
2578          Arm_relobj::set_output_local_symbol_count_needs_update,
2579          Arm_relobj::update_output_local_symbol_count): New methods.
2580         (Arm_relobj::output_local_symbol_count_needs_update_): New data
2581         member.
2582         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
2583         of pointed function as in a R_ARM_PREL31 relocation.
2584         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
2585         for output local symbol count updating.
2586         (Target_arm::do_relax): Update output local symbol counts in objects
2587         if necessary.
2588         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
2589
2590 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2591
2592         * arm.cc: Added support for the ARM relocations:
2593         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
2594         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
2595         (Arm_relocate_functions::movw_rel_nc): Renamed (was
2596         movw_prel_nc).
2597         (Arm_relocate_functions::movw_rel): New method.
2598         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
2599         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
2600         thm_movw_prel_nc).
2601         (Arm_relocate_functions::thm_movw_rel): New method.
2602         (Arm_relocate_functions::thm_movt_rel): Renamed (was
2603         thm_movt_prel).
2604         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
2605         relocations.
2606         (Target_arm::Scan::global): Likewise.
2607         (Target_arm::Relocate::relocate): Likewise.
2608         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2609         Likewise.
2610
2611 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2612
2613         * arm.cc: Added support for ARM group relocations.
2614         (Target_arm::reloc_needs_sym_origin): New method.
2615         (Arm_relocate_functions::calc_grp_kn): New method.
2616         (Arm_relocate_functions::calc_grp_residual): New method.
2617         (Arm_relocate_functions::calc_grp_gn): New method.
2618         (Arm_relocate_functions::arm_grp_alu): New Method.
2619         (Arm_relocate_functions::arm_grp_ldr): New Method.
2620         (Arm_relocate_functions::arm_grp_ldrs): New Method.
2621         (Arm_relocate_functions::arm_grp_ldc): New Method.
2622         (Target_arm::Scan::local): Handle the ARM group relocations.
2623         (Target_arm::Scan::global): Likewise.
2624         (Target_arm::Relocate::relocate): Likewise.
2625         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2626         Likewise.
2627
2628 2010-01-26  Doug Kwan  <dougkwan@google.com>
2629
2630         * arm.cc (set): Include.
2631         (class Arm_exidx_fixup): Change type of last_input_section_ to const
2632         pointer type.
2633         (Arm_output_section::Text_section_list): New type.
2634         (Arm_output_section::append_text_sections_to_list): New method.
2635         (Arm_output_section::fix_exidx_coverage): Ditto.
2636         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
2637         (Arm_relobj::convert_input_section_to_relaxed_section): Use
2638         Relobj::set_section_offset() instead of
2639         Sized_relobj::invalidate_section_offset().
2640         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
2641         parameter for section headers. Ignore relocation sections for
2642         unallocated sections and EXIDX sections.
2643         (Target_arm::fix_exidx_coverage): New method.
2644         (Target_arm::output_section_address_less_than): New type.
2645         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
2646         linked text section instead of the EXIDX section.
2647         (Arm_output_section::create_stub_group): Add an assertion to check
2648         that this is not an EXIDX output section.
2649         (Arm_output_section::append_text_sections_to_list): New method.
2650         (Arm_output_section::fix_exidx_coverage): Ditto.
2651         (Arm_relobj::scan_sections_for_stubs): Adjust call to
2652         Arm_relobj::section_needs_reloc_stub_scanning.
2653         (Target_arm::do_relax): Fix EXIDX output section coverage in the
2654         first pass.
2655         (Target_arm::fix_exidx_coverage): New method.
2656         * object.h (Relobj::set_output_section): New method.
2657         (Sized_relobj::invalidate_section_offset): Remove method.
2658         (Sized_relobj::do_invalidate_section_offset): Remove method.
2659         (Sized_relobj::do_set_section_offset): Handle offset value -1.
2660
2661 2010-01-25  Doug Kwan  <dougkwan@google.com>
2662
2663         * arm.cc (Arm_exidx_merged_section::do_output_offset):
2664         Fix warning due to signed and unsigned comparison on a 32-bit host.
2665
2666 2010-01-22  Doug Kwan  <dougkwan@google.com>
2667
2668         * arm.cc (Target_arm::do_relax): Record an output section for section
2669         offset adjustment it contains any stub table that has changed.
2670         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
2671         offsets in an output section if necessary.
2672         * output.cc (Output_section::Output_section): Initialize
2673         section_offsets_need_adjustments_.
2674         (Output_section::add_input_section_for_script): Renamed to
2675         Output_section::add_simple_input_section.
2676         (Output_section::save_states): Add a comment.
2677         (Output_section::discard_states): New method defintion.
2678         (Output_section::adjust_section_offsets): Same.
2679         * output.h (Output_section::add_input_section_for_script): Renamed to
2680         Output_section::add_simple_input_section.
2681         (Output_section::discard_states): New method declaration.
2682         (Output_section::adjust_section_offsets): Same.
2683         (Output_section::section_offsets_need_adjustment,
2684         Output_section::set_section_offsets_need_adjustment): New method
2685         definitions.
2686         (Output_section::section_offsets_need_adjustment_): New data member.
2687         * script-sections.cc
2688         (Output_section_element_input::set_section_address): Adjust code for
2689         renaming of Output_section::add_input_section_for_script.
2690         (Orphan_output_section::set_section_address): Same.
2691
2692 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2693
2694         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
2695         Fix_v4bx enum values .
2696         * gold/options.h (General_options): New option definitions.
2697         (General_options::fix_v4bx): New method.
2698         (General_options::Fix_v4bx): New enum.
2699         * gold/options.cc (General_options::parse_fix_v4bx): New method.
2700         (General_options::parse_fix_v4bx_interworking): New method.
2701
2702 2010-01-22  Doug Kwan  <dougkwan@google.com>
2703
2704         * arm.cc (Arm_exidx_fixup): New class.
2705
2706 2010-01-21  Doug Kwan  <dougkwan@google.com>
2707
2708         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
2709         classes.
2710         (Arm_exidx_section_offset_map): New type.
2711
2712 2010-01-21  Doug Kwan  <dougkwan@google.com>
2713
2714         * arm.cc (Arm_exidx_input_section): New class.
2715         (Arm_relobj::exidx_input_section_by_link,
2716         Arm_relobj::exidx_input_section_by_shndx,
2717         Arm_relobj::make_exidx_input_section): New methods.
2718         (read_arm_attributes_section): Remove.
2719         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
2720         information about them.
2721         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
2722         to here.
2723
2724 2010-01-20  Doug Kwan  <dougkwan@google.com>
2725
2726         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
2727         Input_section_specifier to Section_id.
2728         (Target_arm::new_arm_input_section: Adjust code for change of key
2729         type.
2730         (Target_arm::find_arm_input_section): Ditto.
2731         * gc.h (object.h): Include for Section_id nand Section_id_hash.
2732         (Section_id): Remove.
2733         (Garbage_collection::Section_id_hash): Remove.
2734         * icf.h (object.h): Include for Section_id nand Section_id_hash.
2735         (Section_id): Remove.
2736         (Icf::Section_id_hash): Remove.
2737         * object.h (Section_id, Const_section_id, Section_id_hash,
2738         Const_section_id_hash): New type definitions.
2739         * output.cc (Output_section::add_relaxed_input_section): Change to
2740         use Const_section_id instead of Input_section_specifier as key type.
2741         (Output_section::add_merge_input_section): Ditto.
2742         (Output_section::build_relaxation_map): Change to use Section_id
2743         instead of Input_section_specifier as key type.
2744         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
2745         Ditto.
2746         (Output_section::convert_input_sections_to_relaxed_sections): Change
2747         to use Const_section_id instead of Input_section_specifier as key type.
2748         (Output_section::find_merge_section): Ditto.
2749         (Output_section::find_relaxed_input_section): Ditto.
2750         * output.h (Input_section_specifier): Remove class.
2751         (Output_section::Output_section_data_by_input_section_map): Change
2752         key type to Const_section_id.
2753         (Output_section::Output_relaxed_input_section_by_input_section_map):
2754         Ditto.
2755         (Output_section::Relaxation_map): Change key type to Section_id.
2756
2757 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2758
2759         * gold/arm.cc: Added support for R_ARM_V4BX relocation
2760         (class Arm_v4bx_stub): New class.
2761         (DEF_STUBS): Updated definition to support v4_veneer_bx.
2762         (Stub_factory::make_arm_v4bx_stub): New method.
2763         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
2764         (Stub_table::empty): Handle v4bx stubs.
2765         (Stub_table::add_arm_v4bx_stub): New method.
2766         (Stub_table::find_arm_v4bx_stub): New method.
2767         (Arm_relocate_functions::v4bx): New method.
2768         (Target_arm::fix_v4bx): New method.
2769         (Target_arm::Target_arm): Handle R_ARM_V4BX.
2770         (Stub_table::relocate_stubs): Likewise.
2771         (Stub_table::do_write): Likewise.
2772         (Stub_table::update_data_size_and_addralign): Likewise.
2773         (Stub_table::finalize_stubs):  Likewise.
2774         (Target_arm::Scan::local): Likewise.
2775         (Target_arm::Scan::global): Likewise.
2776         (Target_arm::do_finalize_sections): Likewise.
2777         (Target_arm::Relocate::relocate): Likewise.
2778         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2779         Likewise.
2780         (Target_arm::scan_reloc_for_stub): Likewise.
2781         (Target_arm::scan_reloc_section_for_stubs): Likewise.
2782
2783 2010-01-19  Ian Lance Taylor  <iant@google.com>
2784
2785         * output.cc (Output_section_headers::do_sized_write): Write large
2786         segment count to sh_info field.
2787         (Output_file_header::do_sized_write): For large segment count,
2788         write PN_XNUM to e_phnum field.
2789
2790 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2791
2792         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
2793         (Arm_relocate_functions::thm_jump8): New function.
2794         (Arm_relocate_functions::thm_jump11): New function.
2795         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
2796         R_ARM_THM_JUMP11.
2797         (Target_arm::Scan::global): Likewise.
2798         (Target_arm::Relocate::relocate): Likewise.
2799         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2800         Likewise.
2801
2802 2010-01-14  Doug Kwan  <dougkwan@google.com>
2803
2804         * arm.cc (map, utility): Include headers.
2805         (Target_arm::apply_cortex_a8_workaround): New method.
2806         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
2807         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
2808         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
2809         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
2810         the --[no-]fix-cortex-a8 command line options.
2811         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
2812         (Target_arm::relocate_stub): Use addend in instruction template.
2813         * options.h (DEFINE_bool): Set the user-set flag.
2814         (General_options): Add --[no-]-fix-cortex options.
2815         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
2816         : Update fast look-up map after conversion.
2817
2818 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
2819
2820         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
2821         in the first pass of do_layout.
2822
2823 2010-01-13  Doug Kwan  <dougkwan@google.com>
2824
2825         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
2826         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
2827         apparent compiler problem of not folding static constant integral
2828         data members of elfcpp::Elf_sizes<32>.
2829
2830 2010-01-13  Doug Kwan  <dougkwan@google.com>
2831
2832         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
2833         Arm_relobj::section_needs_cortex_a8_stub_scanning,
2834         Arm_relobj::scan_section_for_cortex_a8_erratum,
2835         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
2836         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
2837         sections to scan for relocation stubs into a new method
2838         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
2839         relocation and Cortex-A8 stub scanning.
2840         (Target_arm::do_relax): Force stubs to be after stubbed sections
2841         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
2842         the beginning of a new relaxation pass.  Update a comment.
2843         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
2844
2845 2010-01-12  Ian Lance Taylor  <iant@google.com>
2846
2847         * target-reloc.h (visibility_error): New inline function.
2848         (relocate_section): Call visibility_error.
2849         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
2850         (MOSTLYCLEANFILES): Likewise.
2851         (protected_4_pic.o, protected_3.err): New targets.
2852         * testsuite/protected_4.cc: New file.
2853
2854 2010-01-12  Doug Kwan  <dougkwan@google.com>
2855
2856         * arm.cc (Cortex_a8_reloc): New class.
2857         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
2858         and cortex_a8_relocs_info_.
2859         (Target_arm::fix_cortex_a8): New method definition.
2860         (Target_arm::Cortex_a8_relocs_info): New type.
2861         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
2862         New data member declarations.
2863         (Target_arm::scan_reloc_for_stub): Record information about
2864         relocations for THUMB branches that might be exempted from the
2865         Cortex-A8 workaround.
2866         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
2867         at the beginning of a relaxation pass.
2868
2869 2010-01-12  Doug Kwan  <dougkwan@google.com>
2870
2871         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
2872         (Arm_relobj::Mapping_symbol_position,
2873          Arm_reloj::Mapping_symbol_position_less,
2874          Arm_relobj::Mapping_symbols_info): New types.
2875         (Target_arm::is_mapping_symbol_name): New method definition.
2876         (Arm_relobj::do_count_local_symbols): Save information about mapping
2877         symbols.
2878
2879 2010-01-11  Doug Kwan  <dougkwan@google.com>
2880
2881         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
2882         Arm_relocate_functions::thumb32_branch_upper,
2883         Arm_relocate_functions::thumb32_branch_lower,
2884         Arm_relocate_functions::thumb32_cond_branch_offset,
2885         Arm_relocate_functions::thumb32_cond_branch_upper,
2886         Arm_relocate_functions::thumb32_cond_branch_lower,
2887         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
2888         branch offset encoding.
2889         (Arm_relocate_functions::thumb_branch_common): Use new branch
2890         offset encoding methods to avoid code duplication.
2891         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
2892         (Stub_addend_reader::operator()): Use new branch encoding method
2893         to avoid code duplication.
2894
2895 2010-01-11  Doug Kwan  <dougkwan@google.com>
2896
2897         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
2898         (Target_arm::do_finalize_sections): Define special EXIDX section
2899         symbols only if referenced.
2900         * gc.h (Garbage_collection::add_reference): New method.
2901         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
2902         code duplication.
2903
2904 2010-01-11  Ian Lance Taylor  <iant@google.com>
2905
2906         * script.cc (Version_script_info::build_expression_list_lookup):
2907         Change complaing about duplicate wildcard match from error to
2908         warning.
2909
2910         * script.cc (class Lazy_demangler): Recreate--revert part of patch
2911         of 2009-12-30.
2912         (Version_script_info::Version_script_info): Initialize globs_,
2913         default_version_, default_is_global_, and exact_.  Don't
2914         initialize globals_ or locals_.
2915         (Version_script_info::build_lookup_tables): Build local symbols
2916         first.
2917         (Version_script_info::unquote): New function.
2918         (Version_script_info::add_exact_match): New function.
2919         (Version_script_info::build_expression_list_lookup): Remove lookup
2920         parameter.  Add is_global parameter.  Change all callers.  Handle
2921         wildcard pattern specially.  Unquote pattern.  Call
2922         add_exact_match.
2923         (Version_script_info::get_name_to_match): New function.
2924         (Version_script_info::get_symbol_version): New function.
2925         (Version_script_info::get_symbol_version_helper): Remove.
2926         (Version_script_info::check_unmatched_names): Call unquote.
2927         * script.h (class Version_script_info): Change get_symbol_version
2928         to be non-inline and add is_global parameter; change all callers.
2929         Rewrite symbol_is_local.  Update declarations.  Define struct
2930         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
2931         Remove globals_ and locals_ members.  Add exact_, globs_,
2932         default_version_, is_global_.
2933         (Version_script_info::Glob): Remove pattern, add expression and
2934         is_global.  Update constructor.  Change all callers.
2935         * dynobj.cc (Versions::finalize): Mark the version symbol as the
2936         default version.
2937         (Versions::symbol_section_contents): If a symbol is undefined, or
2938         defined in a dynamic object, set the version index to
2939         VER_NDX_LOCAL.
2940         * symtab.cc (Symbol_table::add_from_relobj): Don't call
2941         symbol_is_local.
2942         (Symbol_table::add_from_pluginobj): Likewise.
2943         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
2944
2945 2010-01-11  Doug Kwan  <dougkwan@google.com>
2946
2947         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
2948         (incremental_dump_LDADD): Add linking option for libintl.
2949         * Makefile.in: Regenerate.
2950
2951 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
2952
2953         PR gold/11144
2954         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
2955         instead of -Ds.
2956         * testsuite/Makefile.in: Regenerated.
2957
2958 2010-01-10  Doug Kwan  <dougkwan@google.com>
2959
2960         * options.h (DEFINE_var): Use parentheses around argument varname__
2961         in macro body to avoid any unintended subsequent substitutions.
2962
2963 2010-01-10  Ian Lance Taylor  <iant@google.com>
2964
2965         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
2966         candidates before doing symbol resolution.
2967
2968         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
2969         ODR candidates if only one is weak.
2970
2971 2010-01-08  Ian Lance Taylor  <iant@google.com>
2972
2973         * script.cc (Version_script_info::build_expression_list_lookup):
2974         Don't warn about ambiguous version, just record the ambiguity.
2975         (Version_script_info::get_symbol_version_helper): Give error if
2976         version is ambiguous.
2977
2978 2010-01-08  Doug Kwan  <dougkwan@google.com>
2979
2980         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
2981           prev_data_size_ and prev_addralign_.  Remove initializer for
2982           deleted data member has_been_changed_.
2983           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
2984           to determine if the table is empty.
2985           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
2986           Remove.
2987           (Stub_table::add_reloc_stub): Define method in class definition
2988           instead of just declaring it there.
2989           (Stub_table::add_cortex_a8_stub): New method definition.
2990           (Stub_table::update_data_size_and_addralign): Ditto.
2991           (Stub_table::finalize_stubs): Ditto.
2992           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
2993           (Stub_table::do_addralign_): Return address alignment in the
2994           (Stub_table::do_reset_address_and_file_offset): Define method in
2995           class definition instead of declaring it there.  Set current data
2996           size to be the data size of the previous pass.
2997           (Stub_table::set_final_data_size): Use current data size as the
2998           final data size.
2999           (Stub_table::relocate_stub): Change parameter type of stub from
3000           Reloc_stub pointer to Stub pointer.
3001           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
3002           (Stub_table::Cortex_a8_stub_list): New typedef.
3003           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
3004            Stub_table::prev_addralign_): New data member.
3005           (Arm_relobj::Arm_relobj): Initialize data member
3006           section_has_cortex_a8_workaround_.
3007           (Arm_relobj::section_has_cortex_a8_workaround,
3008            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
3009            definitions.
3010           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
3011           declarations.
3012           (Target_arm::relocate_stub): Change parameter type of stub from
3013           Reloc_stub pointer to Stub pointer.
3014           (Insn_template::size, Insn_template::alignment): Handle
3015           THUMB16_SPECIAL_TYPE.
3016           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
3017            Stub_table::update_data_size_and_addralign,
3018            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
3019           definitions.
3020           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
3021           (Stub_table::do_write): Ditto.
3022           (Target_arm::do_relax): Adjust code for changes in Stub_table.
3023
3024 2010-01-08  Ian Lance Taylor  <iant@google.com>
3025
3026         PR 11108
3027         * symtab.h (class Symbol): Remove fields is_target_special_ and
3028         has_plt_offset_.  Add field is_defined_in_discarded_section_.
3029         (Symbol::is_defined_in_discarded_section): New function.
3030         (Symbol::set_is_defined_in_discarded_section): New function.
3031         (Symbol::has_plt_offset): Rewrite.
3032         (Symbol::set_plt_offset): Verify that new offset is not -1U.
3033         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
3034         Don't initialize is_target_special_ or has_plt_offset_.
3035         Initialize is_defined_in_discarded_section_.
3036         (Symbol_table::add_from_relobj): If appropriate, set
3037         is_defined_in_discarded_section.
3038         * resolve.cc (Symbol::override_base_with_special): Don't test
3039         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
3040         * target-reloc.h (relocate_section): Do special handling for
3041         symbols defined in discarded sections for global symbols as well
3042         as local symbols.
3043
3044 2010-01-08  Ian Lance Taylor  <iant@google.com>
3045
3046         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
3047         the SHT_SYMTAB case.
3048
3049 2010-01-08  Ian Lance Taylor  <iant@google.com>
3050
3051         * object.cc (Sized_relobj::do_layout): Don't get confused if
3052         layout_eh_frame returns NULL.
3053
3054 2010-01-08  Ian Lance Taylor  <iant@google.com>
3055
3056         PR 11084
3057         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
3058         dynamic symbol table, use the normal symbol table.
3059         (Sized_dynobj::do_read_symbols): Remove assertion about type of
3060         symbol table.
3061
3062 2010-01-08  Ian Lance Taylor  <iant@google.com>
3063
3064         PR 11072
3065         * layout.cc (Layout::include_section): Remove .gnu_debuglink
3066         sections.
3067
3068 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
3069
3070         * version.cc (print_version): Change to "Copyright 2010".
3071
3072 2010-01-08  Ian Lance Taylor  <iant@google.com>
3073
3074         PR 10287
3075         PR 11063
3076         * i386.cc (class Target_i386): Change return type of plt_section
3077         to be non-const.
3078         (class Output_data_plt_i386): Add tls_desc_rel_ field.
3079         (Output_data_plt_i386::Output_data_plt_i386): Initialize
3080         tls_desc_rel_ field.
3081         (Output_data_plt_i386::rel_tls_desc): New function.
3082         (Target_i386::rel_tls_desc_section): New function.
3083         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
3084         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
3085         R_386_TLS_DESC reloc in rel_tls_desc_section.
3086         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
3087         Define struct Tlsdesc_info.
3088         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
3089         (Target_x86_64::do_reloc_symbol_index): New function.
3090         (Target_x86_64::add_tlsdesc_info): New function.
3091         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
3092         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
3093         tlsdesc_rel_ field.
3094         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
3095         all callers.
3096         (Output_data_plt_x86_64::rela_tlsdesc): New function.
3097         (Target_x86_64::rela_tlsdesc_section): New function.
3098         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
3099         handling.
3100         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
3101         (Target_x86_64::do_reloc_addend): New function.
3102         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
3103         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
3104         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
3105         (Output_reloc::type): New function.
3106         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
3107         (Output_reloc::is_target_specific): New function.
3108         (Output_reloc::target_arg): New function.
3109         (class Output_reloc) [SHT_RELA]: Add four new constructors for
3110         absolute relocs and target specific relocs.
3111         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
3112         add_target_specific.
3113         (class Output_data_reloc) [SHT_RELA]: Likewise.
3114         * output.cc (Output_reloc::Output_reloc): Add four new versions
3115         for absolute relocs and target specific relocs.
3116         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
3117         (Output_reloc::get_symbol_index): Likewise.
3118         (Output_reloc::local_section_offset): Check that local_sym_index_
3119         is not TARGET_CODE or 0.
3120         (Output_reloc::symbol_value): Likewise.
3121         (Output_reloc::write) [SHT_RELA]: Call target for target specific
3122         reloc.
3123         * target.h (class Target): Add reloc_symbol_index and reloc_addend
3124         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
3125         functions.
3126         * layout.cc (add_target_dynamic_tags): Use output section for
3127         DT_PLTRELSZ and DT_JMPREL.
3128
3129 2010-01-07  Ian Lance Taylor  <iant@google.com>
3130
3131         PR 11061
3132         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
3133         function.
3134         (class Output_data_reloc_generic): Define.
3135         (class Output_data_reloc_base): Change base class to
3136         Output_data_reloc_generic.  Change add() method to call
3137         bump_relative_reloc_count for a relative reloc.  Remove
3138         sort_relocs_ field.
3139         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
3140         to sort_relocs().
3141         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
3142         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
3143         appropriate.
3144         * layout.h (class Layout): Update declaration.
3145
3146 2010-01-07  Ian Lance Taylor  <iant@google.com>
3147
3148         * output.h (class Output_data): Add const version of
3149         output_section and do_output_section.
3150         (class Output_section_data): Add const version of
3151         do_output_section.
3152         (class Output_section): Likewise.
3153         * layout.cc (Layout::add_target_dynamic_tags): New function.
3154         * layout.h (class Layout): Update declarations.
3155         * arm.cc (Target_arm::do_finalize_sections): Use
3156         add_target_dynamic_tags.
3157         * i386.cc (Target_i386::do_finalize_sections): Likewise.
3158         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
3159         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
3160         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
3161
3162 2010-01-07  Ian Lance Taylor  <iant@google.com>
3163
3164         PR 11042
3165         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
3166         object as needed.
3167
3168 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
3169             Ian Lance Taylor  <iant@google.com>
3170
3171         PR 11019
3172         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
3173         Xindex::read_symtab_xindex.
3174
3175 2010-01-07  Doug Kwan  <dougkwan@google.com>
3176
3177         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
3178         (Insn_template::thumb16_bcond_insn): New method declaration.
3179         (Insn_template): Fix spelling.
3180         (Stub::thumb16_special): New method declaration.
3181         (Stub::do_write): Define virtual method which was previously pure
3182         virtual.
3183         (Stub::do_thumb16_special): New method declaration.
3184         (Stub::do_fixed_endian_write): New template member.
3185         (Reloc_stub::do_write): Remove.
3186         (Reloc_stub::do_fixed_endian_write): Remove.
3187         (Cortex_a8_stub): New class definition.
3188         (Stub_factory::make_cortex_a8_stub): New method definition.
3189         (Stub_factory::Stub_factory): Add missing static storage class
3190         qualifier for elf32_arm_stub_a8_veneer_blx.
3191
3192 2010-01-07  Ian Lance Taylor  <iant@google.com>
3193
3194         PR 10980
3195         * options.h (class General_options): Add --warn-unresolved-symbols
3196         and --error-unresolved-symbols.
3197         * errors.cc (Errors::undefined_symbol): Implement
3198         --warn-unresolved-symbols.
3199
3200         * options.h (class General_options): Add -z text and -z textoff.
3201         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
3202
3203 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
3204
3205         * gc.h (Garbage_collection::Cident_section_map): New typedef.
3206         (Garbage_collection::cident_sections): New function.
3207         (Garbage_collection::add_cident_section): New function.
3208         (Garbage_collection::cident_sections_): New member.
3209         (gc_process_relocs): Add references to sections whose names are C
3210         identifiers.
3211         * gold.h (cident_section_start_prefix): New constant.
3212         (cident_section_stop_prefix): New constant.
3213         (is_cident): New function.
3214         * layout.cc (Layout::define_section_symbols): Replace string constants
3215         with the newly defined constants.
3216         * object.cc (Sized_relobj::do_layout): Track sections whose names are
3217         C identifiers.
3218         * testsuite/Makefile.am: Add gc_orphan_section_test.
3219         * testsuite/Makefile.in: Regenerate.
3220         * testsuite/gc_orphan_section_test.cc: New file.
3221         * testsuite/gc_orphan_section_test.sh: New file.
3222
3223 2010-01-06  Ian Lance Taylor  <iant@google.com>
3224
3225         PR 10980
3226         * options.h (class General_options): Add --warn-shared-textrel.
3227         * layout.cc (Layout::finish_dynamic_section): Implement
3228         --warn-shared-textrel.
3229
3230         PR 10980
3231         * options.h (class General_options): Add --warn-multiple-gp.
3232
3233 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3234
3235         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
3236         $(THREADSLIB) and $(LIBDL).
3237         * Makefile.in: Rebuild.
3238
3239 2010-01-06  Ian Lance Taylor  <iant@google.com>
3240
3241         PR 10980
3242         * options.cc (General_options::parse_section_start): New function.
3243         (General_options::section_start): New function.
3244         (General_options::General_options): Initialize all members.
3245         * options.h: Include <map>
3246         (class General_options): Add --section-start.  Add section_starts_
3247         member.
3248         * layout.cc (Layout::attach_allocated_section_to_segment): If
3249         --section-start was used, set the address of the segment.  Remove
3250         local sort_sections.
3251         (Layout::relaxation_loop_body): If the address of the load segment
3252         has been set by --section-start, don't use it.
3253         * output.h (Output_segment::update_flags_for_output_section): New
3254         function.
3255         * output.cc (Output_segment::add_output_section): Call
3256         update_flags_for_output_section.
3257
3258 2010-01-05  Ian Lance Taylor  <iant@google.com>
3259
3260         PR 10980
3261         * options.h (class General_options): Add --undefined-version.
3262         * script.cc (struct Version_expression): Add was_matched_by_symbol
3263         field.
3264         (Version_script_info::matched_symbol): New function.
3265         (Version_script_info::get_symbol_version_helper): Call
3266         matched_symbol.
3267         (Version_script_info::check_unmatched_names): New function.
3268         * script.h (class Version_script_info): Update declarations.
3269         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
3270
3271         * options.h (class General_options): Use DEFINE_bool_alias for
3272         allow_multiple_definition.
3273         * resolve.cc (Symbol_table::should_override): Don't test
3274         allow_multiple_definition.
3275
3276         PR 10980
3277         * options.h (class General_options): Add --cref.
3278         * main.cc (main): Print cref table if --cref.  Don't close mapfile
3279         until after printing cref table.
3280         * cref.cc: Include "symtab.h".
3281         (class Cref_inputs): Define Cref_table_compare and Cref_table.
3282         (Cref_table_compare::operator()): New function.
3283         (Cref_inputs::gather_cref): New function.
3284         (filecol): New static const.
3285         (Cref_inputs::print_cref): New function.
3286         (Cref::print_cref): New function.
3287         * cref.h: Include <cstdio>.
3288         (class Cref): Update declarations.
3289         * mapfile.h (Mapfile::file): New function.
3290         * object.h (class Object): Define Symbols.  Declare virtual
3291         do_get_global_symbols.
3292         (Object::get_global_symbols): New function.
3293         * object.cc (Input_objects::add_object): Pass object to cref_ if
3294         --cref.
3295         (Input_objects::archive_start): Likewise.
3296         (Input_objects::archive_stop): Likewise.
3297         (Input_objects::print_cref): New function.
3298         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
3299         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
3300         --cref.
3301         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
3302         function.
3303         * plugin.h (class Sized_pluginobj): Update declarations.
3304
3305 2010-01-05  Ian Lance Taylor  <iant@google.com>
3306
3307         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
3308         to is_default_version.  Rename insdef to insdefault.
3309         (Symbol_table::add_from_relobj): Rename def to is_default_version
3310         and local to is_forced_local.
3311         (Symbol_table::add_from_pluginobj): Likewise.
3312         (Symbol_table::add_from_dynobj): Likewise.
3313         (Symbol_table::define_special_symbol): Rename insdef to
3314         insdefault.
3315
3316 2010-01-04  Ian Lance Taylor  <iant@google.com>
3317
3318         PR 10980
3319         * options.h (class General_options): Add
3320         --allow-multiple-definition and -z muldefs.
3321         * resolve.cc (Symbol_table::should_override): Don't warn about a
3322         multiple symbol definition if --allow-multiple-definition or -z
3323         muldefs.
3324
3325         PR 10980
3326         * options.h (class General_options): Add --add-needed and
3327         --copy-dt-needed-entries.  Tweak --as-needed help entry.
3328         * object.cc (Input_objects::check_dynamic_dependencies): Give an
3329         error if --copy-dt-needed-entries aka --add-needed is used and
3330         would cause a change in behaviour.
3331
3332         PR 10980
3333         * options.h (class General_options): Add -G as a short version of
3334         --shared.  Add no-op options -assert, -g, and -i.
3335
3336 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
3337
3338         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
3339         check for .text or .gnu.linkonce.t sections.
3340         * icf.cc (Icf::find_identical_sections): Ditto.
3341         Change the detection for mangled function name within the section
3342         name.
3343         * icf.h (is_section_foldable_candidate): New function.
3344
3345 2009-12-30  Ian Lance Taylor  <iant@google.com>
3346
3347         PR 10980
3348         * options.h (class General_options): Permit two dashes with
3349         --retain-symbols-file.
3350
3351 2009-12-30  Ian Lance Taylor  <iant@google.com>
3352
3353         PR 10979
3354         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
3355         don't put the file header and segment headers in the text
3356         segment.
3357
3358         PR 10979
3359         * common.cc (Sort_commons::operator()): Stabilize sort when both
3360         entries are NULL.
3361         (Symbol_table::do_allocate_commons_list): When allocating common
3362         symbols, skip a symbol which is no longer common.
3363         * symtab.h (Symbol::is_common): Test whether the symbol comes from
3364         an object before checking its type.
3365         * testsuite/common_test_2.c: New file.
3366         * testsuite/common_test_3.c: New file.
3367         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
3368         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
3369         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
3370         (common_test_2_pic.o, common_test_2.so): New targets.
3371         (common_test_3_pic.o, common_test_3.so): New targets.
3372         * testsuite/Makefile.in: Rebuild.
3373
3374         PR 10979
3375         * script.cc (read_input_script): If we see a new SECTIONS clause,
3376         and we have added an input section, give an error.
3377         * layout.h (class Layout): Add have_added_input_section function.
3378         Add have_added_input_section_ field.
3379         * layout.cc (Layout::Layout): Initialize
3380         have_added_input_section_.
3381         (Layout::layout): Set have_added_input_section_.
3382         (Layout::layout_eh_frame): Likewise.
3383
3384 2009-12-30  Ian Lance Taylor  <iant@google.com>
3385
3386         PR 10931
3387         * options.h (class General_options): Add --sort-common option.
3388         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
3389         * common.cc (Sort_common): Add sort_order parameter to
3390         constructor.  Add sort_order_ field.
3391         (Sort_commons::operator): Check sort_order_.
3392         (Symbol_table::allocate_commons): Determine the sort order.
3393         (Symbol_table::do_allocate_commons): Add sort_order parameter.
3394         Change all callers.
3395         (Symbol_table::do_allocate_commons_list): Likewise.
3396
3397 2009-12-30  Ian Lance Taylor  <iant@google.com>
3398
3399         PR 10916
3400         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
3401         symbols from this object, don't change the visibility of an
3402         undefined symbol.
3403         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
3404
3405 2009-12-30  Ian Lance Taylor  <iant@google.com>
3406
3407         PR 10861
3408         * script.h (class Version_script_info): Define Language enum.
3409         Update declarations.  Define Glob, Exact, and Lookup types.  Add
3410         new fields globals_, locals_, and is_finalized_.
3411         * script.cc: Various formatting fixes.
3412         (class Parser_closure): Change language_stack_ from a vector of
3413         std::string to one of Version_script_info::Language.  Adjust all
3414         uses accordingly.
3415         (class Lazy_demangler): Remove.
3416         (struct Version_expression): Change language from std::string to
3417         Version_script_info::Language.
3418         (Version_script_info::Version_script_info): New function.
3419         (Version_script_info::~Version_script_info): Don't call clear.
3420         (Version_script_info::finalize): New function.
3421         (Version_script_info::build_lookup_tables): New function.
3422         (Version_script_info::build_expression_list_lookup): New
3423         function.
3424         (Version_script_info::get_symbol_version_helper): Rewrite to use
3425         lookup tables.
3426         (Version_script_info::print_expression_list): Adjust to use
3427         Version_script_info::Language.
3428         (script_push_lex_into_version_mode): Check that the version script
3429         has not been finalized.
3430         (version_script_push_lang): Change language string to
3431         Version_script_info::Language.
3432         * options.cc (Command_line::version_script): New function.
3433         * options.h (class General_options): Add finalize_dynamic_list
3434         function.  Change version_script from declaration to definition.
3435         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
3436         * testsuite/version_script.map: Remove duplicate def of foo.
3437         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
3438         version_script.map.
3439         * testsuite/Makefile.in: Rebuild.
3440
3441 2009-12-30  Ian Lance Taylor  <iant@google.com>
3442
3443         PR 10843
3444         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
3445         if the input symbol index is 0, make the output symbol index 0.
3446
3447 2009-12-30  Ian Lance Taylor  <iant@google.com>
3448
3449         PR 10670
3450         * options.h (class General_options): Add -x/--discard-all.
3451         * object.cc (Sized_relobj::do_count_local_symbols): Handle
3452         --discard-all.  If the local symbol needs a dynamic entry, check
3453         that before handling --discard-locals.
3454
3455 2009-12-30  Ian Lance Taylor  <iant@google.com>
3456
3457         PR 10450
3458         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
3459         flags to PF_R.
3460         (Output_segment::add_output_section): Don't change the flags if
3461         the type is PT_TLS.
3462
3463         PR 10450
3464         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
3465         GNU hash table if they need a dynamic value.  Otherwise, don't add
3466         them if they are defined in a dynamic object or are forced local.
3467
3468 2009-12-29  Ian Lance Taylor  <iant@google.com>
3469
3470         PR 10450
3471         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
3472         .gnu.hash table for a 32-bit target.
3473
3474         PR 10450
3475         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
3476         regular and a dynamic object only needs a dynamic symbol table
3477         entry if it is externally visible.
3478
3479         PR 10450
3480         * i386.cc (class Target_i386): Initialize global_offset_table_ in
3481         constructor.  Add global_offset_table_ field.
3482         (Target_i386::got_section): Set global_offset_table_.
3483         (Target_i386::do_finalize_sections): Set global_offset_table_
3484         size.
3485         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
3486         in constructor.  Add global_offset_table_ field.
3487         (Target_x86_64::got_section): Set global_offset_table_.
3488         (Target_x86_64::do_finalize_sections): Set global_offset_table_
3489         size.
3490
3491         * layout.cc (Layout::Layout): Initialize increase_relro_.
3492         (Layout::get_output_section): Add is_relro, is_last_relro, and
3493         is_first_non_relro parameters.  Change all callers.
3494         (Layout::choose_output_section): Likewise.
3495         (Layout::add_output_section_data): Likewise.
3496         (Layout::make_output_section): Likewise.
3497         (Layout::set_segment_offsets): Clear increase_relro when using a
3498         linker script.
3499         * layout.h (class Layout): Add increase_relro method.  Add
3500         increase_relro_ field.  Update declarations.
3501         * output.cc (Output_section::Output_section): Initialize
3502         is_last_relro_ and is_first_non_relro_.
3503         (Output_segment::add_output_section): Group relro sections is
3504         do_sort is true.  Handle is_last_relro and is_first_non_relro.
3505         (Output_segment::maximum_alignment): Remove relro handling.
3506         (Output_segment::set_section_addresses): Add increase_relro
3507         parameter.  Change all callers.  Add initial alignment to align
3508         relro sections on separate page.  Remove old relro handling.
3509         (Output_segment::set_section_list_addresses): Remove in_relro
3510         parameter.  Change all callers.
3511         (Output_segment::set_offset): Add increase parameter.  Change all
3512         callers.  Remove old relro handling.
3513         * output.h (class Output_section): Add new methods: is_last_relro,
3514         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
3515         Add is_last_relro_ and is_first_non_relro_ fields.
3516         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
3517         Create separate .got.plt section.  Call increase_relro.
3518         * x86_64.cc (Target_x86_64::got_section): Likewise.
3519         * testsuite/relro_script_test.t: Add .got.plt.
3520
3521         PR 10450
3522         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
3523         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
3524         (Layout::finalize): Call set_dynamic_symbol_size.
3525         (Layout::set_dynamic_symbol_size): New function.
3526         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
3527         set_dynamic_symbol_size.
3528
3529         PR 10450
3530         * output.h (class Output_section): Add is_entsize_zero_ field.
3531         * output.cc (Output_section::Output_section): Initialize
3532         is_entsize_zero_.
3533         (Output_section::set_entsize): If two different entsizes are
3534         requested, force it to zero.
3535         (Output_section::add_input_section): Set flags for .debug_str
3536         before updating section flags.  Set entsize.
3537         (Output_section::update_flags_for_input_section): Set SHF_MERGE
3538         and SHF_STRING if all input sections have those flags.
3539
3540 2009-12-29   Rafael Espindola  <espindola@google.com>
3541
3542         * main.cc (main): Fix the sys time reporting.
3543         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
3544         reporting.
3545
3546 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
3547
3548         * options.cc (General_options::parse_version): Allow -v to exit
3549         without an error if there is nothing to link.
3550
3551 2009-12-29  Ian Lance Taylor  <iant@google.com>
3552
3553         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
3554         using a version of gcc before 4.1.
3555         * configure: Rebuild.
3556
3557 2009-12-28  Chris Demetriou  <cgd@google.com>
3558
3559         * attributes.cc (Output_attributes_section_data::do_write): Use
3560         std::vector::front rather than std::vector::data.
3561
3562 2009-12-28  Ian Lance Taylor  <iant@google.com>
3563
3564         * symtab.h (class Symbol_table): Add enum Defined.
3565         * resolve.cc (Symbol_table::should_override): Add defined
3566         parameter.  Change all callers.  Test whether object is NULL
3567         before calling a method on it.
3568         (Symbol_table::report_resolve_problem): Add defined parameter.
3569         Change all callers.
3570         (Symbol_table::should_override_with_special): Likewise.
3571         * symtab.cc (Symbol_table::define_in_output_data): Add defined
3572         parameter.  Change all callers.
3573         (Symbol_table::do_define_in_output_data): Likewise.
3574         (Symbol_table::define_in_output_segment): Likewise.
3575         (Symbol_table::do_define_in_output_segment): Likewise.
3576         (Symbol_table::define_as_constant): Likewise.
3577         (Symbol_table::do_define_as_constant): Likewise.
3578         * script.h (class Symbol_assignment): Add is_defsym parameter to
3579         constructor; change all callers.
3580         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
3581         parameter.  Change all callers.  Add is_defsym_ field.
3582         (class Parser_closure): Add parsing_defsym parameter to
3583         constructor; change all callers.  Add parsing_defsym accessor
3584         function.  Add parsing_defsym_ field.
3585
3586 2009-12-28  Ian Lance Taylor  <iant@google.com>
3587
3588         * gold.cc (queue_middle_tasks): Fix formatting.
3589         * object.cc (Relobj::is_section_name_included): Likewise.
3590
3591 2009-12-23  Ian Lance Taylor  <iant@google.com>
3592
3593         * i386.cc (Target_i386::do_calls_non_split): Recognize
3594         -fsplit-stack prologue for a function with a static chain.
3595         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
3596         -fsplit-stack prologue when using %r11.
3597
3598 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
3599
3600         * options.cc (General_options::parse_version): Make -v continue and do
3601         the link like GNU ld does.
3602
3603 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
3604
3605         * Makefile.am (CCFILES): Add timer.cc.
3606         (HFILES): Add timer.h.
3607         * configure.ac: Check for sysconf and times.
3608         * main.cc: include timer.h.
3609         (main): Use Timer instead of get_run_time.
3610         * timer.cc: New.
3611         * timer.h: New.
3612         * workqueue.cc: include timer.h.
3613         (Workqueue::find_and_run_task):
3614         Report user, sys and wall time.
3615         * Makefile.in: Regenerate.
3616         * config.in: Regenerate.
3617         * configure: Regenerate.
3618
3619 2009-12-16  Doug Kwan  <dougkwan@google.com>
3620
3621         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
3622         sections.
3623         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
3624         relaxed input sections.
3625         * output.cc (Output_section::find_relaxed_input_section): Change
3626         return type to Output_relaxed_input_section pointer.  Adjust code
3627         for new type of relaxed_input_section_map_.
3628         * output.h (Output_section::find_relaxed_input_section): Change
3629         return type to Output_relaxed_input_section pointer.
3630         (Output_section::Output_relaxed_input_section_by_input_section_map):
3631         New type.
3632         (Output_section::relaxed_input_section_map_): Change type to
3633         Output_section::Output_relaxed_input_section_by_input_section_map.
3634         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
3635         input section.
3636
3637 2009-12-15  Ian Lance Taylor  <iant@google.com>
3638
3639         * layout.cc (Layout::create_shstrtab): Only write out after input
3640         sections if we are compressing debug sections.
3641
3642 2009-12-15  Ian Lance Taylor  <iant@google.com>
3643
3644         * archive.cc (Archive::add_symbols): Only look up a symbol without
3645         a version if there is, in fact, a version.
3646
3647 2009-12-14  Ian Lance Taylor  <iant@google.com>
3648
3649         Revert -Wshadow changes, all changes from:
3650         2009-12-11  Doug Kwan  <dougkwan@google.com>
3651         2009-12-11  Nick Clifton  <nickc@redhat.com>
3652         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
3653
3654 2009-12-11  Doug Kwan  <dougkwan@google.com>
3655
3656         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
3657         due to -Wshadow.
3658         * attributes.cc (Object_attribute::size): Ditto.
3659         (Attributes_section_data::size): Ditto.
3660         (Attributes_section_data::Attributes_section_data): Ditto.
3661         (Output_attributes_section_data::do_write): Ditto.
3662         * attributes.h (Object_attribute::set_type): Ditto.
3663         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
3664
3665 2009-12-11  Nick Clifton  <nickc@redhat.com>
3666
3667         * archive.cc: Fix shadowed variable warnings.
3668         * arm.cc: Likewise.
3669         * compressed_output.cc: Likewise.
3670         * compressed_output.h: Likewise.
3671         * configure: Likewise.
3672         * dwarf_reader.cc: Likewise.
3673         * dynobj.cc: Likewise.
3674         * dynobj.h: Likewise.
3675         * ehframe.cc: Likewise.
3676         * ehframe.h: Likewise.
3677         * errors.cc: Likewise.
3678         * expression.cc: Likewise.
3679         * fileread.cc: Likewise.
3680         * fileread.h: Likewise.
3681         * freebsd.h: Likewise.
3682         * i386.cc: Likewise.
3683         * icf.cc: Likewise.
3684         * incremental.h: Likewise.
3685         * layout.cc: Likewise.
3686         * layout.h: Likewise.
3687         * mapfile.cc: Likewise.
3688         * merge.cc: Likewise.
3689         * merge.h: Likewise.
3690         * object.cc: Likewise.
3691         * object.h: Likewise.
3692         * options.h: Likewise.
3693         * output.cc: Likewise.
3694         * output.h: Likewise.
3695         * parameters.cc: Likewise.
3696         * plugin.cc: Likewise.
3697         * powerpc.cc: Likewise.
3698         * reduced_debug_output.cc: Likewise.
3699         * reduced_debug_output.h: Likewise.
3700         * reloc.cc: Likewise.
3701         * reloc.h: Likewise.
3702         * resolve.cc: Likewise.
3703         * script-sections.cc: Likewise.
3704         * script.cc: Likewise.
3705         * script.h: Likewise.
3706         * sparc.cc: Likewise.
3707         * symtab.cc: Likewise.
3708         * symtab.h: Likewise.
3709         * target-select.cc: Likewise.
3710         * target-select.h: Likewise.
3711         * token.h: Likewise.
3712         * workqueue.cc: Likewise.
3713         * workqueue.h: Likewise.
3714         * x86_64.cc: Likewise.
3715
3716 2009-12-10  Doug Kwan  <dougkwan@google.com>
3717
3718         * arm.cc (attributes.h): New include.
3719         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
3720         (Arm_relobj::~Arm_relobj): Delete object pointed by
3721         attributes_section_data_.
3722         (Arm_relobj::attributes_section_data): New method definition.
3723         (Arm_relobj::attributes_section_data_): New data member declaration.
3724         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
3725         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
3726         attributes_section_data_.
3727         (Arm_dynobj::attributes_section_data): New method definition.
3728         (Arm_dynobj::attributes_section_data_): New data member declaration.
3729         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
3730         initialization value of may_use_blx_ to false.
3731         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
3732         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
3733         object attributes to compute results instead of hard-coding.
3734         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
3735         Target_arm::get_secondary_compatible_arch,
3736         Target_arm::set_secondary_compatible_arch
3737         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
3738         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
3739         New method declarations.
3740         (Target_arm::get_aeabi_object_attribute): New method definition.
3741         (Target_arm::attributes_section_data_): New data member declaration.
3742         (read_arm_attributes_section): New template definition.
3743         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
3744         (Arm_dynobj::do_read_symbols): Ditto.
3745         (Target_arm::do_finalize_sections): Merge attributes sections from
3746         input.  Check for BLX use after attributes section merging.
3747         Fix __exidx_start and __exidx_end visibility.  Create an
3748         .ARM.attributes section if necessary.
3749         (Target_arm::get_secondary_compatible_arch,
3750         Target_arm::set_secondary_compatible_arch,
3751         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
3752         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
3753         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
3754         New method definitions.
3755
3756 2009-12-09  Ian Lance Taylor  <iant@google.com>
3757
3758         * plugin.cc (Plugin::load): Don't cast from void* to a function
3759         pointer.
3760
3761 2009-12-09  Ian Lance Taylor  <iant@google.com>
3762
3763         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
3764         information fields.
3765
3766 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
3767
3768         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
3769         Replace two_file_shared_1.so with two_file_shared_2.so.
3770         * testsuite/Makefile.in: Regenerated.
3771
3772 2009-12-08  Doug Kwan  <dougkwan@google.com>
3773
3774         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
3775         (HFILES): Add attributes.h and int_encoding.h.
3776         * Makefile.in: Regenerate.
3777         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
3778         function definitions to int_encoding.cc
3779         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
3780         prototypes to int_encoding.h
3781         * reduced_debug_output.cc (int_encoding.h): New include.
3782         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
3783         function definitions to int_encoding.cc
3784         (insert_into_vector, read_from_pointer): Move template definitions to
3785         int_encoding.h
3786         * attributes.cc: New file.
3787         * attributes.h: New file.
3788         * int_encoding.cc: New file.
3789         * int_encoding.h: New file.
3790
3791 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
3792
3793         PR gold/11055
3794         * incremental-dump.cc (dump_incremental_inputs): New.
3795         (main): Use dump_incremental_inputs.
3796
3797 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
3798
3799         PR gold/10893
3800         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
3801         checking elfcpp::STT_FUNC.
3802         (Target_i386::Relocate::relocate): Likewise.
3803         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
3804
3805         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
3806         symbols from shared libraries into normal FUNC symbols.
3807
3808         * symtab.h (Symbol): Add is_func and use it.
3809
3810 2009-12-05  Doug Kwan  <dougkwan@google.com>
3811
3812         * arm.cc (Target_arm::arm_info): Initialize new fields
3813         attributes_section and attributes_vendor.
3814         * i386.cc (Target_i386::i386_info): Same.
3815         * object.cc (Sized_relobj::do_layout): Skip attribute section.
3816         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
3817         fields attributes_section and attributes_vendor.
3818         * sparc.cc (Target_sparc::sparc_info): Same.
3819         * target.h (Target::attributes_section, Target::attributes_vendor,
3820         Target::is_attributes_section, Target::attribute_arg_type,
3821         Target::attributes_order): New method definitions.
3822         (Target::Target_info::attributes_section,
3823         Target::Target_info::attributes_vendor): New fields.
3824         (Target::do_attribute_arg_type, Target::do_attributes_order): New
3825         virtual method definitions.
3826         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
3827         attributes_section and attributes_vendor.
3828         * testsuite/testfile.cc (Target_test::test_target_info): Same.
3829
3830 2009-12-05  Doug Kwan  <dougkwan@google.com>
3831
3832         * arm.cc: Update comments about interworking and stub generation.
3833         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
3834         considered as non-PIC.
3835         (Arm_relocate_functions::base_abs): Fix formatting.
3836         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
3837         of function to use GOT entry address instead of offset.
3838         (Target_arm::Scan::global): Issue an error if a symbol would need a
3839         PLT does not get one because it is untyped.  Remove code to create
3840         dynamic symbols for relative branches.
3841         (Target_arm::Relocate::relocate: Use 0 instead of false since function
3842         takes unsigned integer instead of boolean.
3843
3844 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
3845
3846         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
3847         (two_file_test_LDADD): Likewise.
3848         (common_test_1_LDADD): Likewise.
3849         (exception_test_LDADD) Likewise.
3850         (weak_test_LDADD): Likewise.
3851         (many_sections_test_LDADD): Likewise.
3852         (initpri1_LDADD): Likewise.
3853         (script_test_1_LDADD): Likewise.
3854         (script_test_2_LDADD): Likewise.
3855         (justsyms_LDADD): Likewise.
3856         (binary_test_LDADD): Likewise.
3857         (large_LDADD): Likewise.
3858         * testsuite/Makefile.in: Regenerated.
3859
3860 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
3861
3862         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
3863         (Symbol_table::override_with_special): Likewise.
3864         (Symbol_table::add_from_object): Likewise.
3865
3866 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
3867
3868         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
3869         Don't set the data_offset twice.
3870
3871 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
3872
3873         * testsuite/Makefile.in: Regenerate.
3874
3875 2009-12-03  Doug Kwan  <dougkwan@google.com>
3876
3877         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
3878         (Target_arm::do_finalize_sections): Add parameter for symbol table
3879         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
3880         * i386.cc (Target_i386::do_finalize_sections): Add an additional
3881         parameter for symbol table pointer.
3882         * layout.cc (Layout::finalize): Call Target::finalize_sections with
3883         an additional parameter for a pointer to symbol table.
3884         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
3885         parameter for a symbol table pointer.
3886         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
3887         * target.h (Target::finalize_sections, Target::do_finalize_sections):
3888         Ditto.
3889         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
3890         parameter for a symbol table pointer.
3891
3892 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
3893
3894         * incremental.cc (Incremental_inputs_header)
3895         (Incremental_inputs_header_write, Incremental_inputs_entry)
3896         (Incremental_inputs_entry_write): Move ...
3897         * incremental.h (Incremental_inputs_header)
3898         (Incremental_inputs_header_write, Incremental_inputs_entry)
3899         (Incremental_inputs_entry_write): here.
3900
3901 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
3902
3903         * incremental.cc (make_sized_incremental_binary): Set the target.
3904         Error if it is incompatible.
3905         * output.h (Output_file): Add filename method.
3906
3907 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
3908
3909         * incremental.cc (Incremental_inputs_entry): Remove unused argument
3910         from the get_* methods.
3911
3912 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
3913
3914         * incremental-dump.cc (main): Check that the offeset of a script is 0.
3915         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
3916         Write 0 for the data_offset of scripts.
3917
3918 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
3919
3920         * testsuite/Makefile.am: Add the incremental_test.sh test.
3921         * testsuite/incremental_test.sh: New.
3922         * testsuite/incremental_test_1.c: New.
3923         * testsuite/incremental_test_2.c: New.
3924
3925 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
3926
3927        * incremental-dump.cc (main): Fix typos.
3928
3929 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
3930
3931         PR gold/11025
3932         * incremental-dump.cc (main): Use llu to print 64 bit values.
3933
3934 2009-11-26  Per Ã˜yvind Karlsen <peroyvind@mandriva.org>
3935             H.J. Lu  <hongjiu.lu@intel.com>
3936
3937         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
3938         $(LIBDL).
3939         (incremental_dump_LDADD): Likewise.
3940         * Makefile.in: Regenerated.
3941
3942 2009-11-25  Doug Kwan  <dougkwan@google.com>
3943
3944         Revert:
3945
3946         2009-11-25  Doug Kwan  <dougkwan@google.com>
3947
3948                 * arm.cc (Target_arm::Target_arm): Move method definition
3949                 outside of class definition.  Add code to handle
3950                 --target1-rel, --target1-abs and --target2= options.
3951                 (Target_arm::get_reloc_reloc_type): Change method to be
3952                 non-static and const.
3953                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
3954                 New data member declaration.
3955                 (Target_arm::Scan::local, Target_arm::Scan::global,
3956                 Target_arm::Relocate::relocate,
3957                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3958                 Adjust call to Target_arm::get_real_reloc_type.
3959                 (Target_arm::get_real_reloc_type): Use command line options
3960                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
3961                 * options.h (--target1-rel, --target1-abs, --target2): New
3962                 ARM-only options.
3963
3964 2009-11-25  Doug Kwan  <dougkwan@google.com>
3965
3966         * arm.cc (Target_arm::Target_arm): Move method definition outside of
3967         class definition.  Add code to handle --target1-rel, --target1-abs
3968         and --target2= options.
3969         (Target_arm::get_reloc_reloc_type): Change method to be non-static
3970         and const.
3971         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
3972         member declaration.
3973         (Target_arm::Scan::local, Target_arm::Scan::global,
3974         Target_arm::Relocate::relocate,
3975         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
3976         call to Target_arm::get_real_reloc_type.
3977         (Target_arm::get_real_reloc_type): Use command line options to
3978         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
3979         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
3980         options.
3981
3982 2009-11-25  Doug Kwan  <dougkwan@google.com>
3983
3984         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
3985         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
3986         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
3987         formatting.
3988         (Arm_relocate_functions::thm_call): Replace body with a call to
3989         Arm_relocate_functions::thumb_branch_common.
3990         (Arm_relocate_functions::thm_jump24,
3991         Arm_relocate_functions::thm_xpc22): New method definitions.
3992         (Arm_relocate_functions::thumb_branch_common): New method definition.
3993         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
3994         operator.
3995         (Target_arm::Relocate::relocate): Adjust call to thm_call.
3996         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
3997
3998 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
3999
4000         * Makefile.am: Build incremental-dump
4001         * Makefile.in: Regenerate.
4002         * incremental-dump.cc: New.
4003         * incremental.cc (Incremental_inputs_header_data,
4004         Incremental_inputs_entry_data): Move to incremental.h
4005         * incremental.h: (Incremental_inputs_header_data,
4006         Incremental_inputs_entry_data): Move from incremental.cc
4007
4008 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
4009
4010         * incremental.cc (Incremental_inputs_header,
4011         Incremental_inputs_header_write, Incremental_inputs_entry,
4012         Incremental_inputs_entry_write): Add a typedef with the data type.
4013
4014 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
4015
4016         * incremental.cc (Incremental_inputs_header,
4017         Incremental_inputs_header_write, Incremental_inputs_entry,
4018         Incremental_inputs_entry_write): Update comment about which
4019         type has the filed descriptions.
4020
4021 2009-11-15  Doug Kwan  <dougkwan@google.com>
4022
4023         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
4024         (Arm_relocate_functions::arm_branch_common): Change method defintion
4025         in class definition to a method declaration and update list of formal
4026         parameters.
4027         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
4028         Arm_relocation_functions::jump24): Adjust call to
4029         Arm_relocate_functions::arm_branch_common.  Update list of formal
4030         parameters.
4031         (Arm_relocate_functions::xpc25): New method definition.
4032         (Arm_relocate_functions::arm_branch_common): Move method defintion
4033         out from class definition.  Use stubs for mode-switching and extending
4034         branch ranges.
4035         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
4036         specially.  Change code to enable use of stubs in ARM branches.
4037
4038 2009-11-10  Doug Kwan  <dougkwan@google.com>
4039
4040         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
4041         in method declaration.
4042         (Target_arm::relocate_stub): New method declaration.
4043         (Target_arm::default_target): Change to return a pointer instead of
4044         a const reference.
4045         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
4046         Target_arm::default_target.
4047         (Arm_Relobj::do_relocate_sections): Remove options paramater in
4048         method definition.
4049         (Target_arm::relocate_section): Adjust view.
4050         (Target_arm::relocate_stub): New method definition.
4051
4052 2009-11-10  Doug Kwan  <dougkwan@google.com>
4053
4054         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
4055         a format warning.
4056         * incremental.cc (open_incremental_binary): Initialized local
4057         variables to avoid warnings.
4058         * object.cc (make_elf_object): Ditto.
4059         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
4060         a format warning.
4061
4062 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
4063
4064         PR gold/10930
4065         * testsuite/plugin_test.c: Include "config.h".
4066
4067 2009-11-09  Doug Kwan  <dougkwan@google.com>
4068
4069         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
4070         (arm_symbol_value): Remove.
4071         (Arm_relocate_functions::arm_branch_common,
4072         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
4073         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
4074         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
4075         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
4076         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
4077         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
4078         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
4079         Arm_relocate_functions::thm_mobw_abs_nc,
4080         Arm_relocate_functions::thm_mov_abs,
4081         Arm_relocate_functions::movw_prel_nc,
4082         Arm_relocate_functions::thm_movt_abs,
4083         Arm_relocate_functions::movt_prel,
4084         Arm_relocate_functions::thm_movw_prel_nc,
4085         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
4086         (Target_arm::Relocate::relocate): Only decompose address into two
4087         parts if relocation type uses the thumb-bit and pass the actual
4088         bit instead of a flag indicating that the thumb-bit is used.  Adjust
4089         calls to methods in Arm_relocate_functions for this change.
4090
4091 2009-11-08  Ian Lance Taylor  <iant@google.com>
4092
4093         PR 10925
4094         * reloc.cc: Instantiate
4095         Sized_relobj::initialize_input_to_output_maps and
4096         Sized_relobj:free_input_to_output_maps.
4097
4098 2009-11-06  Ian Lance Taylor  <iant@google.com>
4099
4100         PR 10876
4101         * defstd.cc (in_segment): Set only_if_ref true for "end".
4102
4103 2009-11-06  Doug Kwan  <dougkwan@google.com>
4104
4105         * arm.cc (class Reloc_stub): Correct a comment.
4106         (Target_arm::Target_arm): Initialize arm_input_section_map_.
4107         (Target_arm::scan_section_for_stubs): New method declaration.
4108         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
4109         Change methods from private to protected.
4110         (Target_arm::do_may_relax): New method definition.
4111         (Target_arm::do_relax, Target_arm::group_sections,
4112         Target_arm::scan_reloc_for_stub,
4113         Target_arm::scan_reloc_section_for_stubs): New method declarations.
4114         (Target_arm::arm_input_section_map_): New data member declaration.
4115         (Target_arm::scan_reloc_for_stub,
4116         Target_arm::scan_reloc_section_for_stubs,
4117         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
4118         Target_arm::do_relax): New method definitions.
4119
4120 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
4121
4122         * configure.ac: Check for (struct stat)::st_mtim
4123         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
4124         * config.in: Regenerate.
4125         * configure: Regenerate.
4126
4127 2009-11-05  Ian Lance Taylor  <iant@google.com>
4128
4129         PR 10910
4130         * output.cc (Output_segment::add_output_section): Add missing
4131         return statement.
4132
4133 2009-11-04  Ian Lance Taylor  <iant@google.com>
4134
4135         PR 10880
4136         * object.h (class Object): Add is_needed and set_is_needed
4137         methods.  Add is_needed_ field.  Make bool fields into bitfields.
4138         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
4139         defined in a dynamic object and referenced by a regular object,
4140         set is_needed for the dynamic object.
4141         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
4142         if the file is marked with as_needed and it is not needed.
4143
4144 2009-11-04  Ian Lance Taylor  <iant@google.com>
4145
4146         PR 10887
4147         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
4148         tags if data is discarded by linker script.
4149         * i386.cc (Target_i386::do_finalize_sections): Likewise.
4150         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
4151         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
4152         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
4153
4154 2009-11-04  Ian Lance Taylor  <iant@google.com>
4155
4156         * layout.cc (Layout::get_output_section): Add is_interp and
4157         is_dynamic_linker_section parameters.  Change all callers.
4158         (Layout::choose_output_section): Likewise.
4159         (Layout::make_output_section): Likewise.
4160         (Layout::add_output_section_data): Add is_dynamic_linker_section
4161         parameter.  Change all callers.
4162         * layout.h (class Layout): Update declarations.
4163         * output.h (class Output_section): Add is_interp, set_is_interp,
4164         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
4165         Add is_interp_, is_dynamic_linker_section_ fields.  Change
4166         generate_code_fills_at_write_ to a bitfield.
4167         * output.cc (Output_section::Output_sections): Initialize new
4168         fields.
4169         (Output_segment::add_output_section): Add do_sort parameter.
4170         Change all callers.
4171
4172 2009-11-03  Ian Lance Taylor  <iant@google.com>
4173
4174         PR 10860
4175         * options.h (class General_options): Add --warn-common.
4176         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
4177         merging two common symbols.
4178         (Symbol_table::should_override): Handle --warn-common when merging
4179         a common symbol with a defined symbol.  Use report_resolve_problem
4180         for multiple definitions.
4181         (Symbol_table::report_resolve_problem): New function.
4182         * symtab.h (class Symbol_table): Declare report_resolve_problem.
4183
4184 2009-11-03  Doug Kwan  <dougkwan@google.com>
4185
4186         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
4187         stub_factory_.
4188         (Target_arm::stub_factory): New method definition.
4189         (Target_arm::new_arm_input_section,
4190         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
4191         Target_arm::reloc_uses_thumb_bit): New method declarations.
4192         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
4193         New type definitions.
4194         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
4195         member declarations.
4196         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
4197         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
4198         New method definitions.
4199
4200 2009-11-03  Ian Lance Taylor  <iant@google.com>
4201
4202         * options.h (class General_options): Add --warn_constructors.
4203
4204 2009-11-03  Ian Lance Taylor  <iant@google.com>
4205
4206         PR 10893
4207         * defstd.cc (in_section): Add entries for __rel_iplt_start,
4208         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
4209
4210 2009-11-03  Ian Lance Taylor  <iant@google.com>
4211
4212         PR 10895
4213         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
4214         --msgid-bugs-address.
4215         (install-pdf): New target.
4216         (install-data_yes): Look up one directory to find mkinstalldirs.
4217
4218 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
4219
4220         * po/Make-in (.po.gmo): Don't generate .gmo files in source
4221         tree.
4222
4223 2009-10-30  Doug Kwan  <dougkwan@google.com>
4224
4225         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
4226
4227 2009-10-30  Doug Kwan  <dougkwan@google.com>
4228
4229         * arm.cc (Stub_addend_reader): New struct template definition
4230         and partial specializations.
4231         (Stub_addend_reader::operator()): New method definition for a
4232         partially specialized template.
4233
4234 2009-10-30  Doug Kwan  <dougkwan@google.com>
4235
4236         * arm.cc (Arm_relobj::processor_specific_flags): New method
4237         definition.
4238         (Arm_relobj::do_read_symbols): New method declaration.
4239         (Arm_relobj::processor_specific_flags_): New data member declaration.
4240         (Arm_dynobj): New class definition.
4241         (Target_arm::do_finalize_sections): Add input_objects parameter.
4242         (Target_arm::do_adjust_elf_header): New method declaration.
4243         (Target_arm::are_eabi_versions_compatible,
4244         (Target_arm::merge_processor_specific_flags): New method declaration.
4245         (Target_arm::do_make_elf_object): New overloaded method definitions
4246         and declaration.
4247         (Arm_relobj::do_read_symbols): New method definition.
4248         (Arm_dynobj::do_read_symbols): Ditto.
4249         (Target_arm::do_finalize_sections): Add input_objects parameters.
4250         Merge processor-specific flags from all input objects.
4251         (Target_arm::are_eabi_versions_compatible,
4252         Target_arm::merge_processor_specific_flags,
4253         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
4254         New method definitions.
4255         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
4256         Input_objects pointer type parameter.
4257         * layout.cc (Layout::finalize): Pass input objects to target's.
4258         finalize_sections function.
4259         * output.cc (Output_file_header::do_sized_write): Set ELF file
4260         header's processor-specific flags.
4261         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
4262         Input_objects pointer type parameter.
4263         * sparc.cc (Target_sparc::do_finalize_sections): Same.
4264         * target.h (Input_objects): New forward class declaration.
4265         (Target::processor_specific_flags,
4266         Target::are_processor_specific_flags_sect): New method definitions.
4267         (Target::finalize_sections): Add input_objects parameter.
4268         (Target::Target): Initialize processor_specific_flags_ and
4269         are_processor_specific_flags_set_.
4270         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
4271         parameter.
4272         (Target::set_processor_specific_flags): New method definition.
4273         (Target::processor_specific_flags_,
4274         Target::are_processor_specific_flags_set_): New data member
4275         declarations.
4276         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
4277         Input_objects pointer type parameter.
4278
4279 2009-10-30  Doug Kwan  <dougkwan@google.com>
4280
4281         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
4282
4283 2009-10-28  Ian Lance Taylor  <iant@google.com>
4284
4285         * object.h (class Relobj): Drop options parameter from
4286         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
4287         do_scan_relocs, do_relocate.  Change all callers.
4288         (class Sized_relobj): Drop options parameters from
4289         do_gc_process_relocs, do_scan_relocs, do_relocate,
4290         do_relocate_sections, relocate_sections, emit_relocs_scan,
4291         emit_relocs_scan_reltype.  Change all callers.
4292         (struct Relocate_info): Remove options field and all references to
4293         it.
4294         * reloc.h (class Read_relocs): Remove options constructor
4295         parameter and options_ field.  Change all callers.
4296         (class Gc_process_relocs, class Scan_relocs): Likewise.
4297         (class Relocate_task): Likewise.
4298         * target-reloc.h (scan_relocs): Remove options parameter.  Change
4299         all callers.
4300         (scan_relocatable_relocs): Likewise.
4301         * target.h (class Sized_target): Remove options parameter from
4302         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
4303         all callers.
4304         * gc.h (gc_process_relocs): Remove options parameter.  Change all
4305         callers.
4306         * arm.cc: Update functions to remove options parameters.
4307         * i386.cc: Likewise.
4308         * powerpc.cc: Likewise.
4309         * sparc.cc: Likewise.
4310         * x86_64.cc: Likewise.
4311         * testsuite/testfile.cc: Likewise.
4312
4313 2009-10-28  Doug Kwan  <dougkwan@google.com>
4314
4315         * arm.cc (Arm_relobj): New class definition.
4316         (Arm_relobj::scan_sections_for_stubs,
4317         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
4318         New method definitions.
4319
4320 2009-10-28  Cary Coutant  <ccoutant@google.com>
4321
4322         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
4323         (Plugin::cleanup_done_): New member.
4324         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
4325         (Plugin_manager::cleanup_done_): Remove.
4326         (Plugin_manager::add_input_file): Edit error message.
4327         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
4328         (Plugin_manager::cleanup): Remove use of cleanup_done_.
4329
4330 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
4331
4332         * fileread.cc: (File_read::View::~View): Use the new
4333         data_ownership_ filed.
4334         (File_read::~File_read): Dispose the new whole_file_view_.
4335         (File_read::open): Mmap the whole file if needed.
4336         (File_read::open): Use whole_file_view_ instead of contents_.
4337         (File_read::find_view): Use whole_file_view_ if applicable.
4338         (File_read::do_read): Use whole_file_view_ instead of contents_.
4339         (File_read::make_view): Use whole_file_view_ instead of contents_,
4340         update File_read::View::View call.
4341         (File_read::find_or_make_view): Update File_read::View::View
4342         call.
4343         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
4344         remove contents_
4345         (File_read::View::Data_ownership): New enum.
4346         (File_read::View::View): Replace bool mapped_ with Data_ownership
4347         argument.
4348         (File_read::View::mapped_): Remove (replaced by data_ownership_).
4349         (File_read::View::data_ownership_): New field.
4350         (File_read::contents_): Remove (replaced by whole_file_view_).
4351         (File_read::whole_file_view_): New field.
4352         * options.h (class General_options): Add --keep-files-mapped.
4353
4354 2009-10-27  Cary Coutant  <ccoutant@google.com>
4355
4356         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
4357         * testsuite/Makefile.am (plugin_test_5): New test case.
4358         * testsuite/Makefile.in: Regenerate.
4359
4360 2009-10-25  Doug Kwan  <dougkwan@google.com>
4361
4362         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
4363         from private to protected to allow access by child class.
4364         (Sized_relobj::do_relocate_sections): New method declaration.
4365         (Sized_relobj::relocate_sections): Virtualize.
4366         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
4367         Sized_relobj::relocate_sections.  Instantiate template explicitly
4368         for different target sizes and endianity.
4369
4370 2009-10-24  Doug Kwan  <dougkwan@google.com>
4371
4372         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
4373         (Arm_input_section::as_arm_input_section): New method.
4374         (Arm_output_section): New class definition.
4375         (Arm_output_section::create_stub_group,
4376         Arm_output_section::group_sections): New method definitions.
4377
4378 2009-10-22  Doug Kwan  <dougkwan@google.com>
4379
4380         * arm.cc (Arm_input_section): New class definition.
4381         (Arm_input_section::init, Arm_input_section:do_write,
4382         Arm_input_section::set_final_data_size,
4383         Arm_input_section::do_reset_address_and_file_offset): New method
4384         definitions.
4385
4386 2009-10-21  Doug Kwan  <dougkwan@google.com>
4387
4388         * arm.cc (Stub_table, Arm_input_section): New forward class
4389         declarations.
4390         (Stub_table): New class defintion.
4391         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
4392         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
4393         New method definition.
4394
4395 2009-10-21  Doug Kwan  <dougkwan@google.com>
4396
4397         * arm.cc: Update copyright comments.
4398         (Target_arm): New forward class template declaration.
4399         (Arm_address): New type.
4400         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
4401         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
4402         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
4403         constants.
4404         (Insn_template): Same.
4405         (DEF_STUBS): New macro.
4406         (Stub_type): New enum type.
4407         (Stub_template): New class definition.
4408         (Stub): Same.
4409         (Reloc_stub): Same.
4410         (Stub_factory): Same.
4411         (Target_arm::Target_arm): Initialize may_use_blx_ and
4412         should_force_pic_veneer_.
4413         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
4414         Target_arm::should_force_pic_veneer,
4415         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
4416         Target_arm::using_thumb_only, Target_arm:;default_target): New
4417         method defintions.
4418         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
4419         New data member declarations.
4420         (Insn_template::size, Insn_template::alignment): New method defintions.
4421         (Stub_template::Stub_template): New method definition.
4422         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
4423         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
4424         (Stub_factory::Stub_factory): New method definition.
4425         * gold.h (string_hash): New template.
4426         * output.h (Input_section_specifier::hash_value): Use
4427         gold::string_hash.
4428         (Input_section_specifier::string_hash): Remove.
4429         * stringpool.cc (Stringpool_template::string_hash): Use
4430         gold::string_hash.
4431
4432 2009-10-20  Doug Kwan  <dougkwan@google.com>
4433
4434         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
4435         symbols of relaxed input sections.
4436         * output.h (Output_section::find_relaxed_input_section): Make
4437         method public.
4438
4439 2009-10-16  Doug Kwan  <dougkwan@google.com>
4440
4441         * dynobj.cc (Versions::Versions): Initialize version_script_.
4442         Only insert base version symbol definition for a shared object
4443         if version script defines any version versions.
4444         (Versions::define_base_version): New method definition.
4445         (Versions::add_def): Check that base version is not needed.
4446         (Versions::add_need): Define base version lazily.
4447         * dynobj.h (Versions::define_base_version): New method declaration.
4448         (Versions::needs_base_version_): New data member declaration.
4449         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
4450         (check_DATA): Add no_version_test.stdout.
4451         (libno_version_test.so, no_version_test.o no_version_test.stdout):
4452         New make rules.
4453         * testsuite/Makefile.in: Regenerate.
4454         * testsuite/no_version_test.c: New file.
4455         * testsuite/no_version_test.sh: Ditto.
4456
4457 2009-10-16  Doug Kwan  <dougkwan@google.com>
4458
4459         * expression.cc (class Segment_start_expression): New class definition.
4460         (Segment_start_expression::value): New method definition.
4461         (script_exp_function_segment_start): Return a new
4462         Segment_start_expression.
4463         * gold/script-c.h (script_saw_segment_start_expression): New function
4464         prototype.
4465         * script-sections.cc (Script_sections::Script_sections): Initialize
4466         SAW_SEGMENT_START_EXPRESSION_ to false.
4467         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
4468         and -Tbbs options to specify section addresses if given in
4469         command line and no SEGMENT_START expression is seen in a script.
4470         * script-sections.h (Script_sections::saw_segment_start_expression,
4471         Script_sections::set_saw_segment_start_expression): New method
4472         definition.
4473         (Script_sections::saw_segment_start_expression_): New data member
4474         declaration.
4475         * script.cc (script_saw_segment_start_expression): New function.
4476         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
4477         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
4478         script_test_7.sh and script_test_8.sh.
4479         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
4480         script_test_8.stdout.
4481         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
4482         (script_test_6, script_test_6.stdout, script_test_7,
4483         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
4484         * Makefile.in: Regenerate.
4485         * testsuite/script_test_6.sh: New file.
4486         * testsuite/script_test_6.t: Same.
4487         * testsuite/script_test_7.sh: Same.
4488         * testsuite/script_test_7.t: Same.
4489         * testsuite/script_test_8.sh: Same.
4490
4491 2009-10-16  Doug Kwan  <dougkwan@google.com>
4492
4493         * output.cc (Output_segment::set_section_list_address): Cast
4494         expressions to unsigned long long type to avoid format warnings.
4495
4496 2009-10-15  Ian Lance Taylor  <iant@google.com>
4497
4498         * script.cc (Script_options::add_symbol_assignment): Always add a
4499         dot assignment to script_sections_.
4500         * script-sections.cc (Script_sections::add_dot_assignment):
4501         Initialize if necessary.
4502
4503         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
4504         program headers with no load segment if there is a linker script.
4505
4506         * layout.cc (Layout::set_segment_offsets): Align the file offset
4507         to the segment aligment for -N or -n with no load segment.
4508         * output.cc (Output_segment::add_output_section): Don't crash if
4509         the first section is a TLS section.
4510         (Output_segment::set_section_list_addresses): Print an error
4511         message if the address moves backward in a linker script.
4512         * script-sections.cc
4513         (Output_section_element_input::set_section_addresses): Don't
4514         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
4515         (Orphan_output_section::set_section_addresses): Likewise.
4516
4517 2009-10-15  Doug Kwan  <dougkwan@google.com>
4518
4519         * layout.cc (Layout::finish_dynamic_section): Generate tags
4520         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
4521         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
4522         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
4523
4524 2009-10-14  Ian Lance Taylor  <iant@google.com>
4525
4526         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
4527         fields.
4528         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
4529         data_shdr fields of relinfo.
4530         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
4531         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
4532         R_386_TLS_LDO_32, adjust based on section flags.
4533         (Target_i386::Relocate::fix_up_ldo): Remove.
4534
4535 2009-10-13  Ian Lance Taylor  <iant@google.com>
4536
4537         Add support for -pie.
4538         * options.h (class General_options): Add -pie and
4539         --pic-executable.
4540         (General_options::output_is_position_independent): Test -pie.
4541         (General_options::output_is_executable): Return true if not shared
4542         and not relocatable.
4543         (General_options::output_is_pie): Remove.
4544         * options.cc (General_options::finalize): Reject incompatible uses
4545         of -pie.
4546         * gold.cc (queue_middle_tasks): A -pie link is not static.
4547         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
4548         * symtab.cc (Symbol::final_value_is_known): Return false if
4549         output_is_position_independent.
4550         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
4551         output_is_position_independent.
4552         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
4553         output_is_position_independent.
4554         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
4555         output_is_position_independent.
4556         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
4557         two_file_pie_test.
4558         (basic_pie_test.o, basic_pie_test): New targets.
4559         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
4560         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
4561         (two_file_pie_test): New target.
4562         * testsuite/Makefile.in: Rebuild.
4563         * README: Remove note saying that -pie is not supported.
4564
4565 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
4566
4567         * options.h (class General_options): Add -init and -fini.
4568         * layout.cc (Layout::finish_dynamic_section): Emit
4569         given init and fini functions.
4570
4571 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
4572
4573         * gc.h (gc_process_relocs): Check if icf is enabled using new
4574         function.
4575         * gold.cc (queue_initial_tasks): Likewise.
4576         (queue_middle_tasks): Likewise.
4577         * object.cc (do_layout): Likewise.
4578         * symtab.cc (is_section_folded): Likewise.
4579         * main.cc (main): Likewise.
4580         * reloc.cc (Read_relocs::run): Likewise.
4581         (Sized_relobj::do_scan_relocs): Likewise.
4582         * icf.cc (is_function_ctor_or_dtor): New function.
4583         (Icf::find_identical_sections): Check if function is ctor or dtor when
4584         safe icf is chosen.
4585         * options.h (General_options::icf): Change option to be an enum.
4586         (Icf_status): New enum.
4587         (icf_enabled): New method.
4588         (icf_safe_folding): New method.
4589         (set_icf_status): New method.
4590         (icf_status_): New variable.
4591         * (options.cc) (General_options::finalize): Set icf_status_.
4592         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
4593         icf_test and icf_keep_unique_test to use the --icf enum flag.
4594         * testsuite/icf_safe_test.sh: New file.
4595         * testsuite/icf_safe_test.cc: New file.
4596
4597 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
4598
4599         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
4600         includes to gc.h and icf.h.
4601         * arm.cc: Include gc.h.
4602         * gold.cc: Likewise.
4603         * i386.cc: Likewise.
4604         * powerpc.cc: Likewise.
4605         * sparc.cc: Likewise.
4606         * x86_64.cc: Likewise.
4607         * gc.h: Include icf.h.
4608
4609 2009-10-11  Ian Lance Taylor  <iant@google.com>
4610
4611         * plugin.cc: Include "gold.h" before other header files.
4612
4613 2009-10-10  Chris Demetriou  <cgd@google.com>
4614
4615         * options.h (Input_file_argument::Input_file_type): New enum.
4616         (Input_file_argument::is_lib_): Replace with...
4617         (Input_file_argument::type_): New member.
4618         (Input_file_argument::Input_file_argument): Take Input_file_type
4619         'type' rather than boolean 'is_lib' as second argument.
4620         (Input_file_argument::is_lib): Use type_.
4621         (Input_file_argument::is_searched_file): New function.
4622         (Input_file_argument::may_need_search): Handle is_searched_file.
4623         * options.cc (General_options::parse_library): Support -l:filename.
4624         (General_options::parse_just_symbols): Update for Input_file_argument
4625         changes.
4626         (Command_line::process): Likewise.
4627         * archive.cc (Archive::get_file_and_offset): Likewise.
4628         * plugin.cc (Plugin_manager::release_input_file): Likewise.
4629         * script.cc (read_script_file, script_add_file): Likewise.
4630         * fileread.cc (Input_file::Input_file): Likewise.
4631         (Input_file::will_search_for): Handle is_searched_file.
4632         (Input_file::open): Likewise.
4633         * readsyms.cc (Read_symbols::get_name): Likewise.
4634         * testsuite/Makefile.am (searched_file_test): New test.
4635         * testsuite/Makefile.in: Regenerate.
4636         * testsuite/searched_file_test.cc: New file.
4637         * testsuite/searched_file_test_lib.cc: New file.
4638
4639 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4640             Ian Lance Taylor  <iant@google.com>
4641
4642         * descriptor.cc: Include <cstdio> and "binary-io.h".
4643         (Descriptors::open): Open the files in binary mode always.
4644         * script.cc (Lex::get_token): Treat \r as whitespace.
4645
4646 2009-10-09  Ian Lance Taylor  <iant@google.com>
4647
4648         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
4649
4650 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4651             Ian Lance Taylor  <iant@google.com>
4652
4653         * configure.ac: Check for readv function also.
4654         * fileread.cc (readv): Define if not HAVE_READV.
4655         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
4656         does not exist.
4657         * config.in: Regenerate.
4658         * configure: Regenerate.
4659
4660 2009-10-09  Doug Kwan  <dougkwan@google.com>
4661
4662         * layout.cc (Layout::make_output_section): Call target hook to make
4663         ordinary output section.
4664         (Layout::finalize): Adjust parameter list of call the
4665         Target::may_relax().
4666         * layout.h (class Layout::section_list): New method.
4667         * merge.h (Output_merge_base::entsize): Change visibility to public.
4668         (Output_merge_base::is_string, Output_merge_base::do_is_string):
4669         New methods.
4670         (Output_merge_string::do_is_string): New method.
4671         * object.cc (Sized_relobj::do_setup): renamed from
4672         Sized_relobj::set_up.
4673         * object.h (Sized_relobj::adjust_shndx,
4674         Sized_relobj::initializ_input_to_output_maps,
4675         Sized_relobj::free_input_to_output_maps): Change visibilities to
4676         protected.
4677         (Sized_relobj::setup): Virtualize.
4678         (Sized_relobj::do_setup): New method declaration.
4679         (Sized_relobj::invalidate_section_offset,
4680         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
4681         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
4682         * options.cc (parse_int): New function.
4683         * options.h (parse_int): New declaration.
4684         (DEFINE_int): New macro.
4685         (stub_group_size): New option.
4686         * output.cc (Output_section::Output_section): Initialize memebers
4687         merge_section_map_, merge_section_by_properties_map_,
4688         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
4689         (Output_section::add_input_section): Handled deferred code-fill
4690         generation and remove an old comment.
4691         (Output_section::add_relaxed_input_section): New method definition.
4692         (Output_section::add_merge_input_section): Use merge section by
4693         properties map to speed to search.  Update merge section maps
4694         as appropriate.
4695         (Output_section::build_relaxation_map): New method definition.
4696         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
4697         Same.
4698         (Output_section::relax_input_section): Renamed to
4699         Output_section::convert_input_sections_to_relaxed_sections and change
4700         interface to take a vector of pointers to relaxed sections.
4701         (Output_section::find_merge_section,
4702         Output_section::find_relaxed_input_section): New method definitions.
4703         (Output_section::is_input_address_mapped,
4704         Output_section::output_offset, Output_section::output_address):
4705         Use output section data maps to speed up searching.
4706         (Output_section::find_starting_output_address): Add comments.
4707         (Output_section::do_write,
4708         Output_section::write_to_postprocessing_buffer): Do code-fill
4709         generation as appropriate.
4710         (Output_section::get_input_sections): Invalidate relaxed input section
4711         map.
4712         (Output_section::restore_states): Adjust type of checkpoint .
4713         Invalidate relaxed input section map.
4714         * output.h (Output_merge_base): New class declaration.
4715         (Input_section_specifier): New class defintion.
4716         (class Output_relaxed_input_section) Change base class to
4717         Output_section_data_build.
4718         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
4719         base class initializer.
4720         (Output_section::add_relaxed_input_section): New method declaration.
4721         (Output_section::Input_section): Change visibility to protected.
4722         (Output_section::Input_section::relobj,
4723         Output_section::Input_section::shndx): Handle relaxed input sections.
4724         Output_section::input_sections) Change visibility to protected.  Also
4725         define overload to return a non-const pointer.
4726         (Output_section::Merge_section_properties): New class defintion.
4727         (Output_section::Merge_section_by_properties_map,
4728         Output_section::Output_section_data_by_input_section_map,
4729         Output_section::Relaxation_map): New types.
4730         (Output_section::relax_input_section): Rename method to
4731         Output_section::convert_input_sections_to_relaxed_sections and change
4732         interface to take a vector of relaxed section pointers.
4733         (Output_section::find_merge_section,
4734         Output_section::find_relaxed_input_section,
4735         Output_section::build_relaxation_map,
4736         Output_section::convert_input_sections_in_list_to_relaxed_sections):
4737         New method declarations.
4738         (Output_section::merge_section_map_
4739         Output_section::merge_section_by_properties_map_,
4740         Output_section::relaxed_input_section_map_,
4741         Output_section::is_relaxed_input_section_map_valid_,
4742         Output_section::generate_code_fills_at_write_): New data members.
4743         * script-sections.cc
4744         (Output_section_element_input::set_section_addresses): Call
4745         current_data_size and addralign methods of relaxed input sections.
4746         (Orphan_output_section::set_section_addresses): Call current_data_size
4747         and addralign methods of relaxed input sections.
4748         * symtab.cc (Symbol_table::compute_final_value): Extract template
4749         from the body of Symbol_table::sized_finalize_symbol.
4750         (Symbol_table::sized_finalized_symbol): Call
4751         Symbol_table::compute_final_value.
4752         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
4753         (Symbol_table::compute_final_value): New templated method declaration.
4754         * target.cc (Target::do_make_output_section): New method defintion.
4755         * target.h (Target::make_output_section): New method declaration.
4756         (Target::relax): Add more parameters for input objects, symbol table
4757         and layout.  Adjust call to do_relax.
4758         (Target::do_make_output_section): New method declaration.
4759         (Target::do_relax): Add parameters for input objects, symbol table
4760         and layout.
4761
4762 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4763
4764         * pread.c: Include stdio.h.
4765
4766 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4767
4768         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
4769         defined.
4770
4771 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4772
4773         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
4774         Change read_shndx type to unsigned int.
4775         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
4776         int.
4777         (Sized_dwarf_line_info::read_line_mappings): Likewise.
4778         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
4779         Change read_shndx type to unsigned int.
4780         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
4781         int.
4782         (Sized_dwarf_line_info::read_line_mappings): Likewise.
4783         * layout.cc (Layout::create_symtab_sections): Cast the result of
4784         local_symcount * symsize to off_t in the gold_assert.
4785
4786 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4787
4788         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
4789         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
4790         R_ARM_BASE_ABS.
4791         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
4792         (Arm_relocate_functions::thm_abs5): New function.
4793         (Arm_relocate_functions::abs12): New function.
4794         (Arm_relocate_functions::abs16): New function.
4795         (Arm_relocate_functions::base_abs): New function.
4796         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
4797         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
4798         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
4799         R_ARM_BASE_ABS.
4800         (Scan::global): Likewise.
4801         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
4802         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
4803         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
4804         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
4805         R_ARM_BASE_ABS.
4806
4807 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4808
4809         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
4810         (Arm_relocate_functions::movt_prel): New function.
4811         (Arm_relocate_functions::thm_movw_prel_nc): New function.
4812         (Arm_relocate_functions::thm_movt_prel): New function.
4813         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
4814         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
4815         (Scan::global, Relocate::relocate): Likewise.
4816         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
4817
4818 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
4819
4820         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
4821         Incremental_checker.
4822         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
4823         unsigned int.
4824         (class Incremental_inputs_header): New class.
4825         (Incremental_inputs_header_writer): Edit comment.
4826         (Incremental_inputs_entry): New class.
4827         (Incremental_inputs_entry_writer): Edit comment.
4828         (Sized_incremental_binary::do_find_incremental_inputs_section):
4829         Add *strtab_shndx parameter, fill it.
4830         (Sized_incremental_binary::do_check_inputs): New method.
4831         (Incremental_checker::can_incrementally_link_output_file): Use
4832         Sized_incremental_binary::check_inputs.
4833         (Incremental_inputs::report_command_line): Save command line in
4834         command_line_.
4835         * incremental.h:
4836         (Incremental_binary::find_incremental_inputs_section): New
4837         method.
4838         (Incremental_binary::do_find_incremental_inputs_section): Add
4839         strtab_shndx parameter.
4840         (Incremental_binary::do_check_inputs): New pure virtual method.
4841         (Sized_incremental_binary::do_check_inputs): Declare.
4842         (Incremental_checker::Incremental_checker): Add incremental_inputs
4843         parameter, use it to initialize incremental_inputs_.
4844         (Incremental_checker::incremental_inputs_): New field.
4845         (Incremental_checker::command_line): New method.
4846         (Incremental_checker::inputs): New method.
4847         (Incremental_checker::command_line_): New field.
4848
4849 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
4850
4851         * incremental.cc: Include <cstdarg> and "target-select.h".
4852         (vexplain_no_incremental): New function.
4853         (explain_no_incremental): New function.
4854         (Incremental_binary::error): New method.
4855         (Sized_incremental_binary::do_find_incremental_inputs_section): New
4856         method.
4857         (make_sized_incremental_binary): New function.
4858         (open_incremental_binary): New function.
4859         (can_incrementally_link_file): Add checks if output is ELF and has
4860         inputs section.
4861         * incremental.h: Include "elfcpp_file.h" and "output.h".
4862         (Incremental_binary): New class.
4863         (Sized_incremental_binary): New class.
4864         (open_incremental_binary): Declare.
4865         * object.cc (is_elf_object): Use
4866         elfcpp::Elf_recognizer::is_elf_file.
4867         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
4868         * output.h (Output_file::filesize): New method.
4869
4870 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4871
4872         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
4873         New function.
4874         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
4875         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
4876         function.
4877         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
4878         function.
4879         (Arm_relocate_functions::movw_abs_nc): New function.
4880         (Arm_relocate_functions::movt_abs): New function.
4881         (Arm_relocate_functions::thm_movw_abs_nc): New function.
4882         (Arm_relocate_functions::thm_movt_abs): New function.
4883         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
4884         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
4885         (Scan::global): Likewise.
4886         (Relocate::relocate): Likewise.
4887         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
4888
4889 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4890
4891         * arm.cc (Arm_relocate_functions::got_prel) New function.
4892         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
4893         (Relocate::relocate): Likewise.
4894         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
4895
4896 2009-10-06  Ian Lance Taylor  <iant@google.com>
4897
4898         * options.h (class General_options): Define
4899         split_stack_adjust_size parameter.
4900         * object.h (class Object): Add uses_split_stack_ and
4901         has_no_split_stack_ fields.  Add uses_split_stack and
4902         has_no_split_stack accessor functions.  Declare
4903         handle_split_stack_section.
4904         (class Reloc_symbol_changes): Define.
4905         (class Sized_relobj): Define Function_offsets.  Declare
4906         split_stack_adjust, split_stack_adjust_reltype, and
4907         find_functions.
4908         * object.cc (Object::handle_split_stack_section): New function.
4909         (Sized_relobj::do_layout): Call handle_split_stack_section.
4910         * dynobj.cc (Sized_dynobj::do_layout): Call
4911         handle_split_stack_section.
4912         * reloc.cc (Sized_relobj::relocate_sections): Call
4913         split_stack_adjust for executable sections in split_stack
4914         objects.  Pass reloc_map to relocate_section.
4915         (Sized_relobj::split_stack_adjust): New function.
4916         (Sized_relobj::split_stack_adjust_reltype): New function.
4917         (Sized_relobj::find_functions): New function.
4918         * target-reloc.h: Include "object.h".
4919         (relocate_section): Add reloc_symbol_changes parameter.  Change
4920         all callers.
4921         * target.h (class Target): Add calls_non_split method.  Declare
4922         do_calls_non_split virtual method.  Declare match_view and
4923         set_view_to_nop.
4924         * target.cc: Include "elfcpp.h".
4925         (Target::do_calls_non_split): New function.
4926         (Target::match_view): New function.
4927         (Target::set_view_to_nop): New function.
4928         * gold.cc (queue_middle_tasks): Give an error if mixing
4929         split-stack and non-split-stack objects with -r.
4930         * i386.cc (Target_i386::relocate_section): Add
4931         reloc_symbol_changes parameter.
4932         (Target_i386::do_calls_non_split): New function.
4933         * x86_64.cc (Target_x86_64::relocate_section): Add
4934         reloc_symbol_changes parameter.
4935         (Target_x86_64::do_calls_non_split): New function.
4936         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
4937         parameter.
4938         * powerpc.cc (Target_powerpc::relocate_section): Add
4939         reloc_symbol_changes parameter.
4940         * sparc.cc (Target_sparc::relocate_section): Add
4941         reloc_symbol_changes parameter.
4942         * configure.ac: Call AM_CONDITIONAL for the default target.
4943         * configure: Rebuild.
4944         * testsuite/Makefile.am (TEST_AS): New variable.
4945         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
4946         (check_DATA): Add split_i386 and split_x86_64 files.
4947         (SPLIT_DEFSYMS): Define.
4948         (split_i386_[1234n].o): New targets.
4949         (split_i386_[124]): New targets.
4950         (split_i386_[1234r].stdout): New targets.
4951         (split_x86_64_[1234n].o): New targets.
4952         (split_x86_64_[124]): New targets.
4953         (split_x86_64_[1234r].stdout): New targets.
4954         (MOSTLYCLEANFILES): Add new executables.
4955         * testsuite/split_i386.sh: New file.
4956         * testsuite/split_x86_64.sh: New file.
4957         * testsuite/split_i386_1.s: New file.
4958         * testsuite/split_i386_2.s: New file.
4959         * testsuite/split_i386_3.s: New file.
4960         * testsuite/split_i386_4.s: New file.
4961         * testsuite/split_i386_n.s: New file.
4962         * testsuite/split_x86_64_1.s: New file.
4963         * testsuite/split_x86_64_2.s: New file.
4964         * testsuite/split_x86_64_3.s: New file.
4965         * testsuite/split_x86_64_4.s: New file.
4966         * testsuite/split_x86_64_n.s: New file.
4967         * testsuite/testfile.cc (Target_test): Update relocation_section
4968         function.
4969         * testsuite/Makefile.in: Rebuild.
4970
4971 2009-10-06  Ian Lance Taylor  <iant@google.com>
4972
4973         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
4974         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
4975         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
4976         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
4977         the address on ldo_addrs_.
4978         (Target_i386::Relocate::fix_up_ldo): New function.
4979
4980 2009-10-06   Rafael Espindola  <espindola@google.com>
4981
4982         * plugin.cc (add_input_library): New.
4983         (Plugin::load): Add add_input_library to tv.
4984         (Plugin_manager::add_input_file): Add the is_lib argument.
4985         (add_input_file): Update call to Plugin_manager::add_input_file.
4986         (add_input_library): New.
4987         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
4988
4989 2009-09-30  Doug Kwan  <dougkwan@google.com>
4990
4991         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
4992         symbol and call Symbol::may_need_copy_reloc to determine if
4993         a copy reloc is needed.
4994         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
4995         nocopyreloc is given in command line.
4996         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
4997         given in command line.
4998         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
4999         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
5000         of the removed Target_i386::may_need_copy_reloc.
5001         * options.h (copyreloc): New option with default value false.
5002         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
5003         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
5004         instead of the removed Target_powerpc::may_need_copy_reloc.
5005         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
5006         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
5007         instead of the removed Target_sparc::may_need_copy_reloc.
5008         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
5009         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
5010         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
5011         instead of the removed Target_x86_64::may_need_copy_reloc.
5012
5013 2009-09-30  Ian Lance Taylor  <iant@google.com>
5014
5015         * object.h (class Object): Remove target_ field, and target,
5016         sized_target, and set_target methods.
5017         (Object::sized_target): Remove.
5018         (class Sized_relobj): Update declarations.  Remove sized_target.
5019         * object.cc (Sized_relobj::setup): Remove target parameter.
5020         Change all callers.
5021         (Input_objects::add_object): Don't do anything with the target.
5022         (make_elf_sized_object): Add punconfigured parameter.  Change all
5023         callers.  Set or test parameter target.
5024         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
5025         Change all callers.
5026         * parameters.cc (Parameters::set_target): Change parameter type to
5027         be non-const.
5028         (Parameters::default_target): Remove.
5029         (set_parameters_target): Change parameter type to be non-const.
5030         (parameters_force_valid_target): New function.
5031         (parameters_clear_target): New function.
5032         * parameters.h (class Parameters): Update declarations.  Remove
5033         default_target method.  Add sized_target and clear_target
5034         methods.  Change target_ to be non-const.
5035         (set_parameters_target): Update declaration.
5036         (parameters_force_valid_target): Declare.
5037         (parameters_clear_target): Declare.
5038         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
5039         as NULL if we aren't searching.
5040         (Add_symbols::run): Don't check for compatible target.
5041         * fileread.cc (Input_file::open_binary): Call
5042         parameters_force_valid_target.
5043         * gold.cc (queue_middle_tasks): Likewise.
5044         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
5045         set_target on object.
5046         * dynobj.h (class Sized_dynobj): Update declarations.
5047         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
5048         make_elf_object returns NULL.
5049         (Archive::include_member): Don't check whether object target is
5050         compatible.
5051         * output.cc (Output_section::add_input_section): Get target from
5052         parameters.
5053         (Output_section::relax_input_section): Likewise.
5054         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
5055         parameters.
5056         (Sized_relobj::do_scan_relocs): Likewise.
5057         (Sized_relobj::relocate_sections): Likewise.
5058         * resolve.cc (Symbol_table::resolve): Likewise.
5059         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
5060         parameter.  Change all callers.
5061         (Symbol_table::add_from_object): Get target from parameters.
5062         (Symbol_table::add_from_relobj): Don't check object target.
5063         (Symbol_table::add_from_dynobj): Likewise.
5064         (Symbol_table::define_special_symbol): Get target from
5065         parameters.
5066         * symtab.h (class Symbol_table): Update declaration.
5067         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
5068         parameter.  Change all callers.  Clear parameter target.
5069         (Binary_test): Test target here.
5070         * testsuite/object_unittest.cc (gold_testsuite): Remove
5071         target_test_pointer parameter.  Change all callers.
5072         (Object_test): Test target here.
5073
5074 2009-09-26  Ian Lance Taylor  <iant@google.com>
5075
5076         * testsuite/initpri1.c: Don't try to use constructor priorities if
5077         compiling with gcc before 4.3.
5078
5079 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
5080
5081         * testsuite/retain_symbols_file_test.sh (check_present): Change
5082         output file name to retain_symbols_file_test.stdout.
5083         (check_absent): Likewise.
5084
5085 2009-09-18  Craig Silverstein  <csilvers@google.com>
5086
5087         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
5088         * options.cc: Include <cerrno> and <fstream>.
5089         (General_options::finalize): Parse -retain-symbols-file tag.
5090         * options.h: New flag.
5091         (General_options): New method should_retain_symbol, new
5092         variable symbols_to_retain.
5093         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
5094         should_retain_symbol map.
5095         * testsuite/Makefile.am (retain_symbols_file_test): New test.
5096         * testsuite/Makefile.in: Regenerate.
5097         * testsuite/retain_symbols_file_test.sh: New file.
5098
5099 2009-09-18  Nick Clifton  <nickc@redhat.com>
5100
5101         * po/es.po: Updated Spanish translation.
5102
5103 2009-09-17  Doug Kwan  <dougkwan@google.com>
5104
5105         * debug.h (DEBUG_RELAXATION): New constant.
5106         (DEBUG_ALL): Add DEBUG_RELAXATION.
5107         (debug_string_to_enum): Add relaxation debug option.
5108         * layout.cc
5109         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
5110         Layout::Relaxation_debug_check::read_sections,
5111         Layout::Relaxation_debug_check::read_sections): New method definitions.
5112         (Layout::Layout): Initialize data members
5113         record_output_section_data_from_scrips_,
5114         script_output_section_data_list_ and relaxation_debug_check_.
5115         (Layout::save_segments, Layout::restore_segments,
5116         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
5117         Layout::relaxation_loop_body): New method definitions.
5118         (Layout::finalize): Support relaxation.  Move section layout code to
5119         Layout::relaxation_loop_body.
5120         (Layout::set_asection_address_from_script): Move code for orphan
5121         section placement out.
5122         (Layout::place_orphan_sections_in_script): New method definition.
5123         * layout.h (Output_segment_headers, Output_file_header):
5124         New forward class declarations.
5125         (Layout::~Layout): Define.
5126         (Layout::new_output_section_data_from_script): New method definition.
5127         (Layout::place_orphan_sections_in_script): New method declaration.
5128         (Layout::Segment_states): New type declaration.
5129         (Layout::save_segments, Layout::restore_segments,
5130         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
5131         Layout::relaxation_loop_body): New method declarations.
5132         (Layout::Output_section_data_list): New type declaration.
5133         (Layout::Relaxation_debug_check): New class definition.
5134         (Layout::record_output_section_data_from_script_,
5135         Layout::script_output_section_data_list_, Layout::segment_states_,
5136         Layout::relaxation_debug_check_): New data members.
5137         * output.cc: (Output_section_headers::do_size): New method definition.
5138         (Output_section_headers::Output_section_headers): Move size
5139         computation to Output_section_headers::do_size.
5140         (Output_segment_headers::do_size): New method definition.
5141         (Output_file_header::Output_file_header): Move size computation to
5142         Output_file_header::do_size and call it.
5143         (Output_file_header::do_size): New method definition.
5144         (Output_data_group::Output_data_group): Adjust call to
5145         Output_section_data.
5146         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
5147         (Output_symtab_xindex::do_write): Add array bound check.
5148         (Output_section::Input_section::print_to_mapfile): Handle
5149         RELAXED_INPUT_SECTION_CODE.
5150         (Output_section::Output_section): Initialize data member checkpoint_.
5151         (Output_section::~Output_section): Delete checkpoint object pointed
5152         by checkpoint_.
5153         (Output_section::add_input_section): Always add an Input_section if
5154         relaxing.
5155         (Output_section::add_merge_input_section): Add assert.
5156         (Output_section::relax_input_section): New method definition.
5157         (Output_section::set_final_data_size): Set load address to zero for
5158         an unallocated section.
5159         (Output_section::do_address_and_file_offset_have_reset_values):
5160         New method definition.
5161         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
5162         Handle relaxed input section.
5163         (Output_section::sort_attached_input_sections): Checkpoint input
5164         section list lazily.
5165         (Output_section::get_input_sections): Change type of input_sections to
5166         list of Simple_input_section pointers.  Checkpoint input section list
5167         lazily.  Also handle relaxed input sections.
5168         (Output_section::add_input_section_for_script): Take a reference to
5169         a Simple_input_section object instead of Relobj pointer and section
5170         index as parameter.  Handle relaxed input sections.
5171         (Output_section::save_states, Output_section::restore_states): New
5172         method definitions.
5173         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
5174         (Output_data::is_data_size_fixed): New method definition.
5175         (Output_data::reset_addresss_and_file_offset): Do not reset data size
5176         if it is fixed.
5177         (Output_data::address_and_file_offset_have_reset_values): New method
5178         definition.
5179         (Output_data::do_address_and_file_offset_have_reset_values): New method
5180         definition.
5181         (Output_data::set_data_size): Check that data size is not fixed.
5182         (Output_data::fix_data_size): New method definition.
5183         (Output_data::is_data_size_fixed_): New data member.
5184         (Output_section_headers::set_final_data_size): New method definition.
5185         (Output_section_headers::do_size): New method declaration.
5186         (Output_segment_headers::set_final_data_size): New method definition.
5187         (Output_segment_headers::do_size): New method declaration.
5188         (Output_file_header::set_final_data_size)::New method definition.
5189         (Output_file_header::do_size)::New method declaration.
5190         (Output_section_data::Output_section_data): Add new parameter
5191         is_data_size_fixed and use it to fix data size.
5192         (Output_data_const::Output_data_const): Adjust call to base class
5193         constructor and fix data size.
5194         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
5195         base class constructor and fix data size.
5196         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
5197         base class constructor and fix data size.
5198         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
5199         class constructor and fix data size.
5200         (Output_data_group::set_final_data_size): New method definition.
5201         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
5202         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
5203         class constructor and fix data size.
5204         (Output_relaxed_input_section): New class definition.
5205         (Output_section::Simple_input_section): New class definition.
5206         (Output_section::get_input_sections): Adjust parameter list.
5207         (Output_section::add_input_section_for_script): Same.
5208         (Output_section::save_states, Output_section::restore_states,
5209         Output_section::do_address_and_file_offset_have_reset_values,
5210         (Output_section::Input_section::Input_section): Handle
5211         RELAXED_INPUT_SECTION_CODE.  Add new overload for
5212         Output_relaxed_input_section.
5213         (Output_section::Input_section::is_input_section,
5214         Output_section::Input_section::set_output_section): Handle relaxed
5215         input section.
5216         (Output_section::Input_section::is_relaxed_input_section,
5217         Output_section::Input_section::output_section_data,
5218         Output_section::Input_section::relaxed_input_section): New method
5219         definitions.
5220         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
5221         value.
5222         (Output_section::Input_section::u1_): Update comments.
5223         (Output_section::Input_section::u2_): Add new union member poris.
5224         (Output_section::Checkpoint_output_section): New classs definition.
5225         (Output_section::relax_input_section): New method declaration.
5226         (Output_section::checkpoint_): New data member.
5227         (Output_segment): Update comments.
5228         (Output_segment::Output_segment): Un-privatize copy constructor.
5229         (Output_segment::operator=): Un-privatize.
5230         * script-sections.cc (Output_section_element::Input_section_list):
5231         Change element type to Output_section::Simple_input_section.
5232         (Output_section_element_dot_assignment::set_section_addresses):
5233         Register output section data for relaxation clean up.
5234         (Output_data_exression::Output_data_expression): Adjust call to base
5235         constructor to fix data size.
5236         (Output_section_element_data::set_section_addresses): Register
5237         Output_data_expression object for relaxation clean up.
5238         (struct Input_section_info): Replace Relobj pointer and section index
5239         pair with Output_section::Simple_input_section and Convert struct to a
5240         class.
5241         (Input_section_sorter::operator()): Adjust access to
5242         Input_section_info data member to use accessors.
5243         (Output_section_element_input::set_section_addresses): Use layout
5244         parameter.  Adjust code to use Output_section::Simple_input_section
5245         and Input_secction_info classes.  Register filler for relaxation
5246         clean up.
5247         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
5248         and section index pair with Output_section::Simple_input_section
5249         class.  Adjust code accordingly.
5250         (Phdrs_element::release_segment): New method definition.
5251         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
5252         segment list.
5253         (Script_sections::release_segments): New method definition.
5254         * gold/script-sections.h (Script_sections::release_segments): New
5255         method declaration.
5256         * gold/target.h (Target::may_relax, Target::relax,
5257         Target::do_may_relax, Target::do_relax): New method definitions.
5258
5259 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5260
5261         * arm.cc (has_signed_unsigned_overflow): New function.
5262         (Arm_relocate_functions::abs8): New function.
5263         (Target_arm::Scan::local): Handle R_ARM_ABS8.
5264         (Target_arm::Scan::global): Likewise.
5265         (Target_arm::relocate::relocate): Likewise.
5266         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5267         Likewise.
5268
5269 2009-09-16  Cary Coutant  <ccoutant@google.com>
5270
5271         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
5272         * testsuite/Makefile.in: Regenerate.
5273
5274 2009-09-11  Nick Clifton  <nickc@redhat.com>
5275
5276         * po/gold.pot: Updated by the Translation project.
5277
5278 2009-09-08  Cary Coutant  <ccoutant@google.com>
5279
5280         * output.cc (Output_file::open): Add execute permission to empty file.
5281         * testsuite/Makefile.am (permission_test): New test.
5282         * testsuite/Makefile.in: Regenerate.
5283
5284 2009-09-02  Ian Lance Taylor  <iant@google.com>
5285
5286         * output.cc (Output_file::resize): Call map_no_anonymous rather
5287         than map.
5288
5289 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
5290
5291         * gold.cc: Include "incremental.h".
5292         (queue_initial_tasks): Call Incremental_checker methods.
5293         * incremental.cc: Include "output.h".
5294         (Incremental_checker::can_incrementally_link_output_file): New
5295         method.
5296         * incremental.h (Incremental_checker): New class.
5297
5298         * output.cc (Output_file::open_for_modification): New method.
5299         (Output_file::map_anonymous): Changed return type to bool.  Record
5300         map in base_ field.
5301         (Output_file::map_no_anonymous): New method, broken out of map.
5302         (Output_file::map): Use map_no_anonymous and map_anonymous.
5303         * output.h (class Output_file): Update declarations.
5304
5305 2009-08-24  Cary Coutant  <ccoutant@google.com>
5306
5307         * options.h (Command_line::Pre_options): New class.
5308         (Command_line::pre_options): New member.
5309         * options.cc (gold::options::ready_to_register): New variable.
5310         (One_option::register_option): Do nothing if not registering options.
5311         Assert if same short option registered twice.
5312         (General_options::General_options): Turn off option registration when
5313         done constructing.
5314         (Command_line::Pre_options::Pre_options): New constructor.
5315
5316 2009-08-24  Cary Coutant  <ccoutant@google.com>
5317
5318         * options.h (General_options::no_keep_memory): Remove incorrect
5319         short option.
5320
5321 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5322
5323         * Makefile.am (am__skiplex, am__skipyacc): New.
5324         * Makefile.in: Regenerate.
5325
5326 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5327
5328         * Makefile.am (AM_CPPFLAGS): Renamed from ...
5329         (INCLUDES): ... this.
5330         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
5331         (AM_CPPFLAGS): Renamed from ...
5332         (INCLUDE): ... this.
5333         * Makefile.in, testsuite/Makefile.in: Regenerate.
5334
5335         * Makefile.in: Regenerate.
5336         * aclocal.m4: Likewise.
5337         * config.in: Likewise.
5338         * configure: Likewise.
5339         * testsuite/Makefile.in: Likewise.
5340
5341         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
5342         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
5343         * Makefile.in: Regenerate.
5344         * testsuite/Makefile.in: Regenerate.
5345
5346 2009-08-19  Cary Coutant  <ccoutant@google.com>
5347
5348         * resolve.cc (Symbol_table::resolve): Don't complain about defined
5349         symbols in shared libraries overridden by hidden or internal symbols
5350         in the main program.
5351
5352 2009-08-19  Chris Demetriou  <cgd@google.com>
5353
5354         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
5355         checking source file names in error messages.
5356
5357 2009-08-18  Doug Kwan  <dougkwan@google.com>
5358
5359         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
5360         an elcpp::Ehdr as parameter.  Adjust call to set_target.
5361         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
5362         an elfcpp::Ehdr as parameter.
5363         * object.cc (Object::set_target): Remove the version that looks up
5364         a target and sets it.
5365         (Sized_relobj::setup): Take a Target object instead of
5366         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
5367         (make_elf_sized_object): Find target and ask target to
5368         make an ELF object.
5369         * object.h: (Object::set_target): Remove the version that looks up
5370         a target and sets it.
5371         (Sized_relobj::setup): Take a Target object instead of
5372         an elfcpp:Ehdr as parameter.
5373         * target.cc: Include dynobj.h.
5374         (Target::do_make_elf_object_implementation): New.
5375         (Target::do_make_elf_object): New.
5376         * target.h (Target::make_elf_object): New template declaration.
5377         (Target::do_make_elf_object): New method declarations.
5378         (Target::do_make_elf_object_implementation): New template declaration.
5379
5380 2009-08-14  Ian Lance Taylor  <iant@google.com>
5381
5382         * gold.h (FUNCTION_NAME): Define.
5383         (gold_unreachable): Use FUNCTION_NAME.
5384
5385 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
5386
5387         * icf.cc (Icf::find_identical_sections): Issue a warning when a
5388         symbol in the --keep-unique list is not found.
5389
5390 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
5391
5392         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
5393         been maked as --keep-unique.
5394         (Icf::unfold_section): New function.
5395         * icf.h (Icf::unfold_section): New function.
5396         * options.h (General_options::keep_unique): New option.
5397         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
5398         * testsuite/Makefile.in: Regenerate.
5399         * testsuite/icf_keep_unique_test.sh: New file.
5400         * testsuite/icf_keep_unique_test.cc: New file.
5401
5402 2009-08-12  Cary Coutant  <ccoutant@google.com>
5403
5404         PR 10471
5405         * resolve.cc (Symbol_table::resolve): Check for references from
5406         dynamic objects to hidden and internal symbols.
5407         * testsuite/Makefile.am (hidden_test.sh): New test.
5408         * testsuite/Makefile.in: Regenerate.
5409         * testsuite/hidden_test.sh: New script.
5410         * testsuite/hidden_test_1.c: New test source.
5411         * testsuite/hidden_test_main.c: New test source.
5412
5413 2009-08-11  Doug Kwan  <dougkwan@google.com>
5414
5415         * arm.cc: Update comments.
5416         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
5417         segment to locate the .ARM.exidx section if present.
5418
5419 2009-08-09  Doug Kwan  <dougkwan@google.com>
5420
5421         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
5422         patch.
5423
5424 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
5425         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
5426         compiler warnings.
5427
5428 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
5429
5430         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
5431         valid tls_segment only for non-debug-section relocations.
5432         * testsuite/Makefile.am: Add gc_tls_test.
5433         * testsuite/Makefile.in: Regenerate.
5434         * testsuite/gc_tls_test.cc: New file.
5435         * testsuite/gc_tls_test.sh: New file.
5436
5437 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
5438
5439         * icf.cc: New file.
5440         * icf.h: New file.
5441         * Makefile.am (CCFILES): Add icf.cc.
5442         (HFILES): Add icf.h
5443         * Makefile.in: Regenerate.
5444         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
5445         * gc.h (gc_process_relocs): Populate lists used by icf to contain
5446         section, symbol and addend information for the relocs.
5447         * gold.cc (queue_middle_tasks): Call identical code folding.
5448         * gold.h: Add defines for multimap.
5449         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
5450         to the call of finalize_local_symbols.
5451         * main.cc (main): Create object of class Icf.
5452         * object.cc (Sized_relobj::do_layout): Allow this function to be
5453         called twice during icf.
5454         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
5455         to sections marked as identical by icf.
5456         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
5457         when available.
5458         (Sized_relobj::do_section_entsize): New function.
5459         * object.h (Object::section_entsize): New function.
5460         (Object::do_section_entsize): New pure virtual function.
5461         (Relobj::finalize_local_symbols): Add new parameter.
5462         (Relobj::do_section_entsize): New function.
5463         * options.h (General_options::icf): New option.
5464         (General_options::icf_iterations): New option.
5465         (General_options::print_icf_sections): New option.
5466         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
5467         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
5468         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
5469         icf.
5470         * symtab.cc (Symbol_table::is_section_folded): New function.
5471         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
5472         to sections marked as identical by icf.
5473         * symtab.h (Symbol_table::set_icf): New function.
5474         (Symbol_table::icf): New function.
5475         (Symbol_table::is_section_folded): New function.
5476         (Symbol_table::icf_): New data member.
5477         * target-reloc.h (relocate_section): Ignore sections folded by icf.
5478         * testsuite/Makefile.am: Add commands to build icf_test.
5479         * testsuite/Makefile.in: Regenerate.
5480         * testsuite/icf_test.sh: New file.
5481         * testsuite/icf_test.cc: New file.
5482
5483 2009-07-24  Chris Demetriou  <cgd@google.com>
5484
5485         * layout.cc (is_compressible_debug_section): Fix incorrect
5486         comment about compressed section names.
5487
5488 2009-07-20  Ian Lance Taylor  <ian@airs.com>
5489
5490         PR 10419
5491         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
5492
5493 2009-07-16  Ian Lance Taylor  <iant@google.com>
5494
5495         PR 10400
5496         * layout.h: #include <map>.
5497         (class Kept_section): Change from struct to class.  Add accessors
5498         and setters.  Add section size to Comdat_group mapping.  Change
5499         Comdat_group to std::map.  Add is_comdat_ field.  Add
5500         linkonce_size field in union.
5501         (class Layout): Update declaration of find_or_add_kept_section.
5502         Don't declare find_kept_object.
5503         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
5504         parameter.  Add object, shndx, is_comdat, and is_group_name
5505         parameters.  Change all callers.  Adjust for new Kept_section.
5506         (Layout::find_kept_object): Remove.
5507         * object.cc (Sized_relobj::include_section_group): Update use of
5508         Kept_section.  Rename secnum to shndx.  Only record
5509         Kept_comdat_section if sections are the same size.
5510         (Sized_relobj::include_linkonce_section): Update use of
5511         Kept_section.  Only record Kept_comdat_section if sections are the
5512         same size.  Set size of linkonce section.
5513         (Sized_relobj::map_to_kept_section): Update call to
5514         get_kept_comdat_section.
5515         * object.h (class Sized_relobj): Rename fields in
5516         Kept_comdat_section to drop trailing underscores; change object
5517         field to Relobj*.  Change Kept_comdat_section_table to store
5518         struct rather than pointer.
5519         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
5520         Add kept_object and kept_shndx parameters.  Change all callers.
5521         (Sized_relobj::get_kept_comdat_section): Change return type to
5522         bool.  Add kept_object and kept_shndx parameters.  Change all
5523         callers.
5524         * plugin.cc (Pluginobj::include_comdat_group): Update call to
5525         Layout::find_or_add_kept_section.
5526
5527 2009-07-09  Ian Lance Taylor  <iant@google.com>
5528
5529         * merge.cc (Object_merge_map::initialize_input_to_output_map):
5530         Reserve space in the hash table.
5531
5532 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
5533
5534         * fileread.cc (File_read::get_mtime): New method.
5535         * fileread.h (Timespec): New structure.
5536         (File_read::get_mtime): New method.
5537         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
5538         Renamed from timestamp_nsec.
5539         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
5540         Elf_Xword.
5541         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
5542         timestamp_nsec.
5543         (Incremental_inputs::report_archive): Save mtime; style fix.
5544         (Incremental_inputs::report_obejct): Save mtime; style fix.
5545         (Incremental_inputs::report_script): Save mtime; style fix.
5546         (Incremental_inputs::finalize_inputs): Style fix.
5547         (Incremental_inputs::finalize): Style fix.
5548         (Incremental_inputs::create_input_section_data): Store inputs
5549         mtime.
5550         * incremental.h (Incremental_inputs::report_script): Add mtime
5551         argument.
5552         (Incremental_inputs::Input_info::Input_info): Intialize only one
5553         union member.
5554         (Incremental_inputs::Input_info::archive): Move to nameless
5555         union.
5556         (Incremental_inputs::Input_info::obejct): Move to nameless union.
5557         (Incremental_inputs::Input_info::script): Move to nameless union.
5558         (Incremental_inputs::mtime): New field.
5559         * script.cc (read_input_script): Pass file mtime to
5560         Incremental_input.
5561         * script.h (Script_info::inputs): Style fix.
5562
5563 2009-07-01  Ian Lance Taylor  <ian@airs.com>
5564
5565         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
5566         instead of 32.
5567
5568 2009-06-24  Ian Lance Taylor  <iant@google.com>
5569
5570         PR 10156
5571         * layout.cc (Layout::choose_output_section): If we find an
5572         existing section, update the flags.
5573         (Layout::create_notes): New function, broken out of
5574         Layout::finalize.
5575         (Layout::finalize): Don't create note sections.
5576         (Layout::create_note): Don't crash if linker script discards
5577         section.
5578         (Layout::create_gold_note): Likewise.
5579         (Layout::create_build_id): Likewise.  Don't set
5580         after_input_sections on the section.
5581         (Layout::create_executable_stack_info): Remove target parameter.
5582         Change caller.
5583         * layout.h (class Layout): Declare create_notes.  Update
5584         declaration of create_executable_stack_info.
5585         * gold.cc (queue_middle_tasks): Call create_notes.
5586         * output.cc (Output_section::update_flags_for_input_section): Move
5587         here from output.h.  If SHF_ALLOC flag is newly set, mark address
5588         invalid.
5589         * output.h (Output_data::mark_address_invalid): New function.
5590         (class Output_section): Only declare, not define,
5591         update_flags_for_input_section.  Remove set_flags.
5592
5593 2009-06-24  Ian Lance Taylor  <iant@google.com>
5594
5595         * script-sections.cc (Output_section_definition::
5596         set_section_addresses): Rename shadowing local load_address to
5597         laddr.
5598
5599 2009-06-24  Ian Lance Taylor  <iant@google.com>
5600
5601         PR 10244
5602         * reloc.cc (relocate_sections): Skip empty relocation sections.
5603
5604 2009-06-23  Ian Lance Taylor  <iant@google.com>
5605
5606         PR 10156
5607         * layout.cc (Layout::create_note): Use choose_output_section
5608         rather than make_output_section.
5609
5610 2009-06-23  Ian Lance Taylor  <iant@google.com>
5611
5612         PR 10237
5613         * options.cc (General_options::parse_V): Set printed_version_.
5614         (General_options::General_options): Initialize printed_version_.
5615         * options.h (class General_options): Add printed_version_ field.
5616         * gold.cc (queue_initial_tasks): If there are no input files,
5617         don't give a fatal error if we printed the version information.
5618         (queue_middle_tasks): If using -r with a shared object, give a
5619         fatal error rather than an ordinary error.
5620
5621 2009-06-23  Ian Lance Taylor  <iant@google.com>
5622
5623         PR 10219
5624         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
5625         (Layout::make_output_section): Set have_stabstr_section_ if we see
5626         a .stab*str section.
5627         (Layout::finalize): Call link_stabs_sections.
5628         (Layout::link_stabs_sections): New file.
5629         * layout.h (class Layout): Add have_stabstr_section_ field.
5630         Declare link_stabs_sections.
5631
5632 2009-06-23  Doug Kwan  <dougkwan@google.com>
5633
5634         * Makefile.am (libgold_a_LIBADD): New.
5635         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
5636         * Makefile.in: Regenerate.
5637         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
5638         * configure: Regenerate.
5639         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
5640         * fileread.cc: Include sys/state.h
5641         * gold.h: Declare memmem and strndup if found missing.
5642         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
5643
5644 2009-06-23  Ian Lance Taylor  <iant@google.com>
5645
5646         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
5647         * configure: Rebuild.
5648
5649 2009-06-23  Ian Lance Taylor  <iant@google.com>
5650
5651         PR 10147
5652         * object.cc (Object::section_contents): Don't try to get a view if
5653         the section has length zero.
5654         (Object::handle_gnu_warning_section): If the section is empty, use
5655         the name of the section as the warning.
5656
5657 2009-06-23  Ian Lance Taylor  <iant@google.com>
5658
5659         PR 10133
5660         * stringpool.h (class Stringpool_template): Add optimize_ field.
5661         (Stringpool_template::set_optimize): New function.
5662         * stringpool.cc (Stringpool_template::Stringpool_template):
5663         Initialize optimize_ field.
5664         (Stringpool_template::set_string_offsets): Test local optimize
5665         fild rather than parameter.
5666         * layout.cc (Layout::Layout): Call set_optimize on the section
5667         name stringpool.
5668
5669 2009-06-22  Ian Lance Taylor  <iant@google.com>
5670
5671         PR 10030
5672         * yyscript.y: Parse TARGET.
5673         * script.cc (script_set_target): New function.
5674         * script-c.h (script_set_target): Declare.
5675         * options.cc (General_options::string_to_object_format): Rename
5676         from string_to_object_format in anonymous namespace.  Change
5677         callers.
5678         * options.h (class General_options): Declare
5679         string_to_object_format.
5680
5681 2009-06-22  Ian Lance Taylor  <iant@google.com>
5682
5683         * script-sections.cc (Script_sections::create_segments): Don't put
5684         program headers in a PT_LOAD segment if -n or -N.
5685
5686 2009-06-22  Ian Lance Taylor  <iant@google.com>
5687
5688         PR 10141
5689         * options.h (class General_options): Add -z lazy and -z now.  Sort
5690         -z options into alphabetical order.
5691         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
5692
5693 2009-06-21  Ian Lance Taylor  <iant@google.com>
5694
5695         * layout.cc (Layout::make_output_section): Call
5696         Target::new_output_section.
5697         (Layout::attach_allocated_section_to_segment): Put large section
5698         sections in a separate load segment with the large segment flag
5699         set.
5700         (Layout::segment_precedes): Sort large data segments after other
5701         load segments.
5702         (align_file_offset): New static function.
5703         (Layout::set_segment_offsets): Use align_file_offset.
5704         * output.h (class Output_section): Add is_small_section_ and
5705         is_large_section_ fields.
5706         (Output_section::is_small_section): New function.
5707         (Output_section::set_is_small_section):  New function.
5708         (Output_section::is_large_section): New function.
5709         (Output_section::set_is_large_section): New function.
5710         (Output_section::is_large_data_section): New function.
5711         (class Output_segment): Add is_large_data_segment_ field.
5712         (Output_segment::is_large_data_segment): New function.
5713         (Output_segment::set_is_large_data_segment): New function.
5714         * output.cc (Output_section::Output_section): Initialize new
5715         fields.
5716         (Output_segment::Output_segment): Likewise.
5717         (Output_segment::add_output_section): Add assertion that large
5718         data sections always go in large data segments.  Force small data
5719         sections to the end of the list of data sections.  Force small BSS
5720         sections to the start of the list of BSS sections.  For large BSS
5721         sections to the end of the list of BSS sections.
5722         * symtab.h (class Symbol): Declare is_common_shndx.
5723         (Symbol::is_defined): Check Symbol::is_common_shndx.
5724         (Symbol::is_common): Likewise.
5725         (class Symbol_table): Define enum Commons_section_type.  Update
5726         declarations.  Add small_commons_ and large_commons_ fields.
5727         * symtab.cc (Symbol::is_common_shndx): New function.
5728         (Symbol_table::Symbol_table): Initialize new fields.
5729         (Symbol_table::add_from_object): Put small and large common
5730         symbols in the right list.
5731         (Symbol_table::sized_finalized_symbol): Check
5732         Symbol::is_common_shndx.
5733         (Symbol_table::sized_write_globals): Likewise.
5734         * common.cc (Symbol_table::do_allocate_commons): Allocate new
5735         common symbol lists.  Don't call do_allocate_commons_list if the
5736         list is empty.
5737         (Symbol_table::do_allocate_commons_list): Remove is_tls
5738         parameter.  Add comons_section_type parameter.  Change all
5739         callers.  Handle small and large common symbols.
5740         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
5741         Symbol::is_common_shndx.
5742         * resolve.cc (symbol_to_bits): Likewise.
5743         * target.h (Target::small_common_shndx): New function.
5744         (Target::small_common_section_flags): New function.
5745         (Target::large_common_shndx): New function.
5746         (Target::large_common_section_flags): New function.
5747         (Target::new_output_section): New function.
5748         (Target::Target_info): Add small_common_shndx, large_common_shndx,
5749         small_common_section_flags, and large_common_section_flags
5750         fields.
5751         (Target::do_new_output_section): New virtual function.
5752         * arm.cc (Target_arm::arm_info): Initialize new fields.
5753         * i386.cc (Target_i386::i386_info): Likewise.
5754         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
5755         Likewise.
5756         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
5757         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
5758         (Target_x86_64::do_new_output_section): New function.
5759         * configure.ac: Define conditional MCMODEL_MEDIUM.
5760         * testsuite/Makefile.am (check_PROGRAMS): Add large.
5761         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
5762         (large_LDFLAGS): Define.
5763         * testsuite/large.c: New file.
5764         * testsuite/testfile.cc (Target_test::test_target_info):
5765         Initialize new fields.
5766         * configure, testsuite/Makefile.in: Rebuild.
5767
5768 2009-06-05  Doug Kwan  <dougkwan@google.com>
5769
5770         * Makefile.am (CCFILES): Add target.cc.
5771         * Makefile.in: Regenerate.
5772         * i386.cc (class Target_i386): Define new virtual method to
5773         override do_is_local_label_name in parent.
5774         * object.cc (Sized_relobj::do_count_local_symbols): Discard
5775         local symbols if --discard-locals or -X is given.
5776         * options.h (class General_options): Declare new options
5777         '--discard-locals' and '-X' for discarding locals.
5778         * target.h (class Target): Define new methods is_local_label_name.
5779         Declare new virtual method do_is_local_label_name.
5780         * target.cc: New file.
5781         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
5782         (check_SCRIPTS): Add discard_locals_test.sh.
5783         (check_DATA): Add discard_local_tests.syms.
5784         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
5785         (discard_local_tests.syms, discard_locals_test.o): New make rules.
5786         * testsuite/Makefile.in: Regenerate.
5787         * testsuite/discard_locals_test.c: New file.
5788         * testsuite/discard_locals_test.sh: Same.
5789
5790 2009-06-05  Doug Kwan  <dougkwan@google.com>
5791
5792         * object.cc (Sized_relobj::Sized_relobj): Initialize
5793         discarded_eh_frame_shndx_ to -1U.
5794         (Sized_relobj::do_layout): Record index of a discard .eh_frame
5795         section.
5796         (Sized_relobj::do_count_local_symbols): Skip local symbols in
5797         a discarded .eh_frame section.
5798         (Sized_relobj::do_finalize_local_symbols): Ditto.
5799         * object.h (class Sized_relobj): Declare new member
5800         discarded_eh_frame_shndx_.
5801         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
5802         (local_labels_test.o, local_labels_test): New rules.
5803         * testsuite/Makefile.in: Regenerate.
5804
5805 2009-06-04  Doug Kwan  <dougkwan@google.com>
5806
5807         * layout.cc (Layout::section_name_mapping): Add mapping for
5808         special ARM sections.
5809
5810 2009-06-03  Doug Kwan  <dougkwan@google.com>
5811
5812         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
5813         (utils::has_overflow): Same.
5814
5815 2009-06-03  Ian Lance Taylor  <iant@google.com>
5816
5817         * layout.cc (Layout::section_name_mapping): New array, replacing
5818         Layout::linkonce_mapping.
5819         (Layout::section_name_mapping_count): New variable, replacing
5820         Layout::linkonce_mapping_count.
5821         (Layout::linkonce_output_name): Remove.
5822         (Layout::output_section_name): Rewrite.
5823         * layout.h (class Layout): Rename Linkonce_mapping to
5824         Section_name_mapping, linkonce_mapping to section_name_mapping,
5825         linkonce_mapping_count to section_name_mapping_count.  Don't
5826         declare linkonce_output_name.
5827
5828 2009-06-03  Doug Kwan  <dougkwan@google.com>
5829
5830         * gold/arm.cc (namespace utils): New.
5831         (Target_arm::reloc_is_non_pic): Define new method.
5832         (class Arm_relocate_functions): New.
5833         (Target_arm::Relocate::relocate): Handle relocation types used by
5834         Android.
5835
5836 2009-06-03  Ian Lance Taylor  <iant@google.com>
5837
5838         * arm.cc (Target_arm::scan::global): Use || instead of |.
5839
5840 2009-06-02  Doug Kwan  <dougkwan@google.com>
5841
5842         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
5843         issued_non_pic_error_.
5844         (class Target_arm::Scan): Declare new method check_non_pic.
5845         Define new method symbol_needs_plt_entry.
5846         Declare new data member issued_non_pic_error_.
5847         (class Target_arm::Relocate): Declare new method
5848         should_apply_static_reloc.
5849         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
5850         (Target_arm::Scan::check_non_pic): Define new method.
5851         (Target_arm::Scan::local): Handle a small subset of reloc types used
5852         by Android.
5853         (Target_arm::Scan::local): Same.
5854         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
5855
5856 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
5857
5858         * incremental.cc (Incremental_inputs::report_command_line): Filter
5859         out --incremental-* options.
5860
5861 2009-05-29  Doug Kwan  <dougkwan@google.com>
5862
5863         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
5864         template class.
5865         (class Target_arm): Update comment.
5866         (Target_arm::Target_arm): Initialize new data members GOT_,
5867         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
5868         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
5869         and Target_arm::rel_dyn_section.
5870         Declare new_enum Target_arm::Got_type.
5871         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
5872         and DYNBSS_.
5873         Update commments for member do_dynsym_value.
5874         (Target_arm::got_size, Target_arm::plt_section,
5875         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
5876         new methods inside class defintion.
5877         (Target_arm::got_section): Define new method.
5878         (Target_arm::rel_dyn_section): Same.
5879         (Output_data_plt_arm): New template class.
5880         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
5881         (Output_data_plt_arm:do_adjust_output_section): Define new method.
5882         (Output_data_plt_arm::add_entry): Same.
5883         (Output_data_plt_arm::first_plt_entry): Define new
5884         static data member for PLT instruction template.
5885         (Output_data_plt_arm::plt_entry): Same.
5886         (Output_data_plt_arm::do_write): Define new method.
5887         (Target_arm::make_plt_entry): Same.
5888         (Target_arm::do_finalize_sections): Same.
5889         (Target_arm::do_dynsym_value): Same.
5890
5891 2009-05-28  Doug Kwan  <dougkwan@google.com>
5892
5893         * Makefile.am (TARGETSOURCES): Add arm.cc.
5894         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
5895         * Makefile.in: Regenerate.
5896         * arm.cc: New file.
5897         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
5898
5899 2009-05-26  Doug Kwan  <dougkwan@google.com>
5900
5901         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
5902         (General_options::check_excluded_libs): Strip off directories in
5903         archive name before matching like GNU ld does.
5904         * testsuite/Makefile.am (MOSTLYCLEANFILES,
5905         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
5906         (exclude_libs_test_LDFLAGS): Add linker option
5907         -Wl,--exclude-libs,libexclude_libs_test_3
5908         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
5909         an explicit archive without using -l.
5910         (alt/libexclude_libs_test_3.a): New make rule.
5911         * testsuite/Makefile.in: Regenerate.
5912         * testsuite/exclude_libs_test.c : Declare lib3_default().
5913         (main): Call it.
5914         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
5915         * exclude_libs_test_3.c: New file.
5916
5917 2009-05-26  Nick Clifton  <nickc@redhat.com>
5918
5919         * po/id.po: New Indonesian translation.
5920         * po/gold.pot: Updated template file.
5921
5922 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
5923
5924         * testsuite/Makefile.am: Add -ffunction-sections to compile
5925         gc_comdat_test files.  Add -Wl,--gc-sections to build
5926         gc_comdat_test.
5927         * testsuite/Makefile.in: Regenerate.
5928         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
5929
5930 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
5931
5932         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
5933         kept comdat section was garbage collected.
5934         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
5935         * testsuite/Makefile.in: Regenerate.
5936         * testsuite/gc_comdat_test.sh: New file.
5937         * testsuite/gc_comdat_test_1.cc: New file.
5938         * testsuite/gc_comdat_test_2.cc: New file.
5939
5940 2009-05-19  Doug Kwan  <dougkwan@google.com>
5941
5942         * archive.cc (Archive::Archive): Move constructor from archive.h
5943         to here.  Initialize no_export_.
5944         (Archive::get_elf_object_for_member): Set no_export flag of object.
5945         * archive.h (Archive::Archive): Move constructor body to
5946         archive.cc.
5947         (Archive::no_export): New method.
5948         (Archive::no_export_): New field.
5949         * object.h (Object::Object): Initialize no_export_ to false.
5950         (Object::no_export, Object::set_no_export): New methods.
5951         (Object::no_export_): New field.
5952         * options.cc (General_options::parse_exclude_libs): New method.
5953         (General_options::check_excluded_libs) Same.
5954         * options.h (exclude_libs): New option.
5955         (General_options::check_excluded_libs): New method declaration.
5956         (General_options::excluded_libs_): New field.
5957         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
5958         default or protected visibility if an object has no-export flag set.
5959         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
5960         (check_SCRIPTS): Add exclude_libs_test.sh.
5961         (check_DATA): Add exclude_libs_test.syms.
5962         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
5963         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
5964         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
5965         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
5966         (exclude_libs_test.syms, libexclude_libs_test_1.a,
5967         libexclude_libs_test_2.a): New rules.
5968         * testsuite/Makefile.in: Regenerate.
5969         * testsuite/exclude_libs_test.c: New file.
5970         * testsuite/exclude_libs_test.sh: Ditto.
5971         * testsuite/exclude_libs_test_1.c: Ditto.
5972         * testsuite/exclude_libs_test_2.c: Ditto.
5973
5974 2009-05-15  Ian Lance Taylor  <iant@google.com>
5975
5976         * configure.ac: Check for declarations for cases where libiberty.h
5977         checks HAVE_DECL_xxx.
5978         * configure, config.in: Rebuild.
5979
5980 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
5981
5982         * gold.h (Incremental_argument_list): Remove (invalid) forward
5983         declaration.
5984         * incremental.cc (Incremental_inputs::report_achive): New method.
5985         (Incremental_inputs::report_object): New method.
5986         (Incremental_inputs::report_script): New method.
5987         (Incremental_inputs::finalize_inputs): New method.
5988         (Incremental_inputs::finalize): Call finalize_inputs().
5989         (Incremental_inputs::sized_create_incremental_inputs_section_data):
5990         Create inputs entries.
5991         * incremental.h (Incremental_input_type): New enum.
5992         (Incremental_inputs::Incremental_input): Initialize new fields.
5993         (Incremental_inputs::report_inputs): New method.
5994         (Incremental_inputs::report_achive): New method.
5995         (Incremental_inputs::report_object): New method.
5996         (Incremental_inputs::report_script): New method.
5997         (Incremental_inputs::finalize_inputs): New method.
5998         (Incremental_inputs::Input_info): New struct.
5999         (Incremental_inputs::Input_info_map): New typedef.
6000         (Incremental_inputs::lock_): New field.
6001         (Incremental_inputs::Inputs_): New field.
6002         (Incremental_inputs::Inputs_map): New field.
6003         * main.cc (main): Call Incremental_input::report_inputs.
6004         * options.h (Input_argument_list): Typedef moved from
6005         Input_arguments.
6006         (Input_file_group::Files): Remove, use ::Input_argument_list.
6007         (Input_file_group::Input_argument_list): Remove, use
6008         ::Input_argument_list.
6009         * plugin.cc (Plugin_manager::add_input_file): Add error in
6010         incremental build.
6011         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
6012         functions.
6013         * script.cc (read_input_script): Call
6014         Incremental_input::report_script.
6015         * script.h (Script_info): New class.
6016
6017 2009-04-27  Ian Lance Taylor  <iant@google.com>
6018
6019         * x86_64.cc (do_adjust_output_section): Set entsize to
6020         plt_entry_size.
6021
6022 2009-04-23  Elliott Hughes  <enh@google.com>
6023
6024         * output.cc (Output_file::close): After short writes, continue
6025         writing from the correct offset in the buffer being written.
6026
6027 2009-04-23  Chris Demetriou  <cgd@google.com>
6028
6029         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
6030         * configure: Regenerate.
6031         * config.in: Regenerate.
6032         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
6033         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
6034
6035 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
6036
6037         * incremental.cc (Incremental_inputs_header_data): Renamed from
6038         Incremental_input_header_data.
6039         (Incremental_inputs_header_data::data_size): New field.
6040         (Incremental_inputs_header_data::put_input_file_count): Renamed
6041         from input_file_count.
6042         (Incremental_inputs_header_data::put_command_line_offset): Renamed
6043         from command_line_offset.
6044         (Incremental_inputs_header_data::put_reserved): Renamed from
6045         put_reserved.
6046         (Incremental_inputs_entry_data): Renamed from
6047         Incremental_input_entry_data.
6048         (Incremental_inputs_entry_data::data_size): New field.
6049         (Incremental_inputs::report_command_line): New method.
6050         (Incremental_inputs::finalize): New method.
6051         (Incremental_inputs::create_incremental_inputs_data): New method.
6052         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
6053         * incremental.h: New file.
6054         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
6055        (Layout::finalize): Create incremental inputs section in
6056         incremental builds.
6057        (Layout::create_incremental_info_sections): New method.
6058         * layout.h (Layout::incremental_inputs): New method.
6059        (Layout::create_incremental_info_sections): New method.
6060        (Layout::incremental_inputs_): New field.
6061         * main.cc (main): Notify Incremental_input of the command line.
6062
6063 2009-04-01  Ian Lance Taylor  <iant@google.com>
6064             Mikolaj Zalewski  <mikolajz@google.com>
6065
6066         * gold.h (reserve_unordered_map): Define, three versions, one for
6067         each version of Unordered_map.
6068         * layout.cc (Layout::Layout): Remove options parameter.  Add
6069         number_of_input_files parameter.  Don't initialize options_.
6070         Initialize number_of_input_files_ and resized_signatures_.  Move
6071         sections_are_attached_.
6072         (Layout::layout_group): Reserve space for group_signatures_.
6073         (Layout::find_or_add_kept_section): Change name parameter to be a
6074         reference.  Resize signatures_ map when it gets large enough.
6075         (Layout::layout_eh_frame): Use parameters->options() instead of
6076         this->options_.
6077         (Layout::make_output_section): Likewise.
6078         (Layout::attach_allocated_section_to_segment): Likewise.
6079         (Layout::finalize, Layout::create_executable_stack): Likewise.
6080         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
6081         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
6082         * layout.h (class Layout): Update declarations.  Remove options_
6083         field.  Add number_of_input_files_ and resized_signatures_
6084         fields.  Move sections_are_attached_ field.
6085         * main.cc (main): Pass number of input files to Layout
6086         constructor.  Don't pass options.
6087
6088 2009-03-30  Ian Lance Taylor  <iant@google.com>
6089
6090         * ffsll.c (ffsll): Correct implementation.
6091
6092 2009-03-27  Ian Lance Taylor  <iant@google.com>
6093
6094         * ffsll.c: New file.
6095         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
6096         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
6097         * ftruncate.c (ftruncate): Declare before definition.
6098         * mremap.c (mremap): Likewise.
6099         * pread.c (pread): Likewise.
6100         * configure, Makefile.in, config.in: Rebuild.
6101
6102         * mremap.c: New file.
6103         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
6104         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
6105         (mremap): Declare if HAVE_MREMAP is not defined.
6106         * configure, Makefile.in, config.in: Rebuild.
6107
6108 2009-03-27  Cary Coutant  <ccoutant@google.com>
6109
6110         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
6111         position independent.
6112         * sparc.cc (Target_sparc::check_non_pic): Likewise.
6113         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
6114
6115 2009-03-24  Cary Coutant  <ccoutant@google.com>
6116
6117         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
6118         an executable.
6119         (needs_dynamic_reloc): Likewise.
6120
6121 2009-03-24  Ian Lance Taylor  <iant@google.com>
6122
6123         * yyscript.y (file_cmd): Recognize EXTERN.
6124         (extern_name_list, extern_name_list_body): New nonterminals.
6125         * script.cc (script_add_extern): Define.
6126         * script-c.h (script_add_extern): Declare.
6127
6128 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
6129
6130         * object.cc (is_elf_object): Define.
6131         * object.h (is_elf_object): Declare.
6132         * archive.cc (Archive::get_elf_object_for_member): Call
6133         is_elf_object.
6134         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
6135
6136 2009-03-24  Elliott Hughes  <enh@google.com>
6137
6138         * output.cc (Output_file::map_anonymous): Define.
6139         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
6140         try an anonymous one.  Report the size if the mmap fails.
6141         * output.h (class Output_file): Declare map_anonymous.
6142
6143 2009-03-24  Ian Lance Taylor  <iant@google.com>
6144
6145         * target-select.cc (instantiate_target): Don't acquire the lock if
6146         the instantiated_target_ field has already been set.
6147
6148 2009-03-23  Ian Lance Taylor  <iant@google.com>
6149
6150         * gold-threads.h (class Initialize_lock): Define.
6151         * gold-threads.cc (class Initialize_lock_once): Define.
6152         (initialize_lock_control): New static variable.
6153         (initialize_lock_pointer): New static variable.
6154         (initialize_lock_once): New static function.
6155         (Initialize_lock::Initialize_lock): Define.
6156         (Initialize_lock::initialize): Define.
6157         * target-select.h: Include "gold-threads.h".
6158         (class Target_selector): Add lock_ and initialize_lock_ fields.
6159         Don't define instantiate_target, just declare it.
6160         * target-select.cc (Target_selector::Target_selector): Initialize
6161         new fields.
6162         (Target_selector::instantiate_target): Define.
6163         * descriptors.h: Include "gold-threads.h".
6164         (class Descriptors): Add initialize_lock_ field.
6165         * descriptors.cc (Descriptors::Descriptors): Initialize new
6166         field.
6167         (Descriptors::open): Use initialize_lock_ field
6168         * errors.h (class Errors): Add initialize_lock_ field.
6169         * errors.cc (Errors::Errors): Initialize new field.
6170         (Errors::initialize_lock): Use initialize_lock_ field.
6171         * powerpc.cc (class Target_selector_powerpc): Remove
6172         instantiated_target_ field.  In do_recognize call
6173         instantiate_target rather than do_instantiate_target.  In
6174         do_instantiate_target just allocate a new target.
6175         * sparc.cc (class Target_selector_sparc): Likewise.
6176
6177         * freebsd.h: New file.
6178         * i386.cc: Include "freebsd.h".
6179         (Target_i386): Derive from Target_freebsd rather than
6180         Sized_target.
6181         (Target_selector_i386): Derive from Target_selector_freebsd rather
6182         than Target_selector.
6183         * x86_64.cc: Include "freebsd.h".
6184         (Target_x86_64): Derive from Target_freebsd rather than
6185         Sized_target.
6186         (Target_selector_x86_64): Derive from Target_selector_freebsd
6187         rather than Target_selector.
6188         * target.h (class Target): Add adjust_elf_header and
6189         do_adjust_elf_header.
6190         * output.cc (Output_file_header:: do_sized_write): Call target
6191         adjust_elf_header routine.
6192         * configure.tgt: Set targ_osabi.
6193         * configure.ac: Define GOLD_DEFAULT_OSABI.
6194         * parameters.cc (Parameters::default_target): Pass
6195         GOLD_DEFAULT_OSABI to select_target.
6196         * target-select.h (class Target_selector): Make instantiate_target
6197         protected rather than private.
6198         * Makefile.am (HFILES): Add freebsd.h.
6199         * configure, Makefile.in, config.in: Rebuild.
6200
6201         * merge.cc (do_add_input_section): Correct pend value.  Change
6202         message about last entry not being null terminated from error to
6203         warning.
6204
6205 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
6206
6207         * incremental.cc: New file.
6208         * Makefile.am (CCFILES): Add incremental.cc.
6209         * Makefile.in: Rebuild.
6210
6211 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
6212
6213         * layout.cc (Layout::output_section_name): Preserve names
6214         of '.note.' sections.
6215
6216 2009-03-19  Ian Lance Taylor  <iant@google.com>
6217
6218         * descriptors.cc (Descriptors::open): Check that the options are
6219         valid before using them.
6220
6221 2009-03-18  Ian Lance Taylor  <iant@google.com>
6222
6223         * script-sections.h: Include <list>.
6224         (class Script_sections): Change Sections_elements from std::vector
6225         to std::list.  Typedef public Elements_iterator.  Add
6226         orphan_section_placement_, data_segment_align_start_, and
6227         saw_data_segment_align_ fields.  Remove data_segment_align_index_
6228         field.
6229         * script-sections.cc (class Orphan_section_placement): New class.
6230         (class Sections_element): Add virtual functions is_relro and
6231         orphan_section_init.  Remove virtual function place_orphan_here.
6232         (class Output_section_definition): Add is_relro and
6233         orphan_section_init.  Remove place_orphan_here.
6234         (class Orphan_output_section): Likewise.
6235         (Script_sections::Script_sections): Update for field changes.
6236         (Script_sections::data_segment_align): Set saw_data_segment_align_
6237         and data_segment_align_start_, not data_segment_align_index.
6238         (Script_sections::data_segment_relro_end): Check
6239         saw_data_segment_align_.  Use data_segment_align_start_ rather
6240         than data_segment_align_index_.
6241         (Script_sections::place_orphan): Rewrite to use
6242         Orphan_section_placement.
6243
6244 2009-03-17  Ian Lance Taylor  <iant@google.com>
6245
6246         * archive.cc (Archive::add_symbols): Check for a version attached
6247         to the symbol name in the archive map.
6248         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
6249         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
6250         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
6251         (ver_test_11.a): New target.
6252         * testsuite/Makefile.in: Rebuild.
6253
6254         * configure.ac: Check for chsize and posix_fallocate.  Replace
6255         ftruncate.
6256         * ftruncate.c: New file, from gnulib.
6257         * output.cc (posix_fallocate): Define dummy version if not
6258         HAVE_POSIX_FALLOCATE.
6259         (Output_file::map): Call posix_fallocate rather than lseek and
6260         write.
6261         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
6262         * configure, Makefile.in, config.in: Rebuild.
6263
6264 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
6265
6266         * layout.h (Layout::create_note): Add section_name parameter.
6267         * layout.cc (Layout::create_note): Likewise.
6268         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
6269
6270 2009-03-17  Ian Lance Taylor  <iant@google.com>
6271
6272         * descriptors.cc: Include "options.h".
6273         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
6274         (Descriptors::open): Always use O_CLOEXEC when opening a new
6275         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
6276         then set FD_CLOEXEC.
6277
6278         * sparc.cc (class Target_sparc): Add has_got_section.
6279         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
6280         make sure we have a GOT section.
6281
6282         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
6283         (Target_sparc::Scan::local): Likewise.
6284         (Target_sparc::Scan::global): Likewise.
6285         (Target_sparc::Relocate::relocate): Likewise.
6286         (Target_sparc::Relocate::relocate_tls): Likewise.
6287
6288         * symtab.cc (Symbol_table::define_default_version): New function,
6289         broken out of add_from_object.
6290         (Symbol_table::add_from_object): Call define_default_version.
6291         (Symbol_table::define_special_symbol): Add resolve_oldsym
6292         parameter.  Change all callers.  If the version for a symbol comes
6293         from a version script, resolve it with the symbol with the same
6294         name with no version.  Also add the symbol without a version if
6295         appropriate.
6296         (do_define_in_output_data): If resolving with oldsym, don't delete
6297         sym.
6298         (do_define_in_output_segment): Likewise.
6299         (do_define_as_constant): Likewise.
6300         * symtab.h (class Symbol_table): Update declarations.
6301
6302 2009-03-13  Ian Lance Taylor  <iant@google.com>
6303
6304         * readsyms.cc (Read_symbols::incompatible_warning): New function.
6305         (Read_symbols::requeue): New function.
6306         (Read_symbols::do_read_symbols): If make_elf_object fails because
6307         the target type is not configured, and the file was searched for,
6308         issue a warning and retry with the next directory.
6309         (Add_symbols::run): If the file has an incompatible format, and
6310         it was searched for, requeue the Read_symbols task.  On error,
6311         release the object.
6312         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
6313         dirindex parameter to constructor.  Change all callers.  Declare
6314         incompatible_warning and requeue.
6315         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
6316         input_argument_ and input_group_ fields.  Add them to
6317         constructor.  Change all callers.
6318         (class Read_script): Add dirindex_ field.  Add it to constructor.
6319         Change all callers.
6320         * archive.cc (Archive::setup): Remove input_objects parameter.
6321         Change all callers.
6322         (Archive::get_file_and_offset): Likewise.
6323         (Archive::read_all_symbols): Likewise.
6324         (Archive::read_symbols): Likewise.
6325         (Archive::get_elf_object_for_member): Remove input_objects
6326         parameter.  Add punconfigured parameter.  Change all callers.
6327         (Archive::add_symbols): Change return type to bool.  Check return
6328         value of include_member.
6329         (Archive::include_all_members): Likewise.
6330         (Archive::include_member): Change return type to bool.  Return
6331         false if first included object has incompatible target.  Set
6332         included_member_ field.
6333         (Add_archive_symbols::run): If add_symbols returns false, requeue
6334         Read_symbols task.
6335         * archive.h (class Archive): Add included_member_ field.
6336         Initialize it in constructor.  Add input_file and searched_for
6337         methods.  Update declarations.
6338         (class Add_archive_symbols): Add dirpath_, dirindex_, and
6339         input_argument_ fields.  Add them to constructor.  Change all
6340         callers.
6341         * script.cc: Include "target-select.h".
6342         (class Parser_closure): Add skip_on_incompatible_target_ and
6343         found_incompatible_target_ fields.  Add
6344         skip_on_incompatible_target parameter to constructor.  Change all
6345         callers.  Add methods skip_on_incompatible_target,
6346         clear_skip_on_incompatible_target, found_incompatible_target, and
6347         set_found_incompatible_target.
6348         (read_input_script): Add dirindex parameter.  Change all callers.
6349         If parser finds an incompatible target, requeue Read_symbols
6350         task.
6351         (script_set_symbol): Clear skip_on_incompatible_target in
6352         closure.
6353         (script_add_assertion, script_parse_option): Likewise.
6354         (script_start_sections, script_add_phdr): Likewise.
6355         (script_check_output_format): New function.
6356         * script.h (read_input_script): Update declaration.
6357         * script-c.h (script_check_output_format): Declare.
6358         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
6359         (ignore_cmd): Remove OUTPUT_FORMAT.
6360         * fileread.cc (Input_file::Input_file): Add explicit this.
6361         (Input_file::will_search_for): New function.
6362         (Input_file::open): Add pindex parameter.  Change all callers.
6363         * fileread.h (class Input_file): Add input_file_argument method.
6364         Declare will_search_for.  Update declarations.
6365         * object.cc (make_elf_object): Add punconfigured parameter.
6366         Change all callers.
6367         * object.h (class Object): Make input_file public.  Add
6368         searched_for method.
6369         (make_elf_object): Update declaration.
6370         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
6371         restart search.
6372         * dirsearch.h (class Dirsearch): Update declaration.
6373         * options.h (class General_options): Add --warn-search-mismatch.
6374         * parameters.cc (Parameters::is_compatible_target): New function.
6375         * parameters.h (class Parameters): Declare is_compatible_target.
6376         * workqueue.cc (Workqueue::add_blocker): New function.
6377         * workqueue.h (class Workqueue): Declare add_blocker.
6378
6379         * fileread.cc (Input_file::open): Remove options parameter.
6380         Change all callers.
6381         (Input_file::open_binary): Likewise.
6382         * script.cc (read_input_script): Likewise.
6383         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
6384         options parameter from constructor.  Change all callers.
6385         (class Read_script): Likewise.
6386         * fileread.h (class Input_file): Update declarations.
6387         * script.h (read_input_script): Update declaration.
6388
6389 2009-03-10  Nick Clifton  <nickc@redhat.com>
6390
6391         * po/es.po: New Spanish translation.
6392
6393 2009-03-06  Cary Coutant  <ccoutant@google.com>
6394
6395         * options.cc (parse_short_option): Keep dash_z from registering itself.
6396
6397 2009-03-03  Ian Lance Taylor  <iant@google.com>
6398
6399         PR 9918
6400         * target-reloc.h (relocate_section): Pass output_section to
6401         relocate.
6402         * i386.cc (Target_i386::should_apply_static_reloc): Add
6403         output_section parameter.  Change all callers.
6404         (Target_i386::Relocate::relocate): Add output_section parameter.
6405         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
6406         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
6407         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
6408         * testsuite/two_file_shared.sh: New script.
6409         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
6410         (check_DATA): Add two_file_shared.dbg.
6411         (two_file_shared.dbg): New target.
6412         * testsuite/Makefile.in: Rebuild.
6413
6414 2009-03-01  Ian Lance Taylor  <iant@google.com>
6415
6416         * configure.ac: Check for byteswap.h.
6417         * configure: Rebuild.
6418         * config.in: Rebuild.
6419
6420 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
6421
6422         * layout.cc (Layout::find_or_add_kept_section): New function.
6423         (Layout::add_comdat): Removed.
6424         * layout.h (struct Kept_section): Move out of class Layout.
6425         Remove trailing underscores from field names.  Add group_sections
6426         field.  Rename group_ field to is_group.  Change all uses.
6427         (class Layout): Declare find_or_add_kept_section, not add_comdat.
6428         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
6429         comdat_groups_ field.
6430         (Sized_relobj::include_section_group): Use
6431         find_or_add_kept_section and Kept_section::group_sections.
6432         (Sized_relobj::include_linkonce_section): Likewise.
6433         * object.cc (class Sized_relobj): Don't define Comdat_group or
6434         Comdat_group_table.  Remove find_comdat_group and
6435         add_comdat_group.  Remove comdat_groups_ field.
6436         * plugin.cc (include_comdat_group): Use
6437         Layout::find_or_add_kept_section.
6438
6439 2009-02-28  Ian Lance Taylor  <iant@google.com>
6440
6441         * README: --gc-sections and map files are now supported.  Document
6442         some build requirements.
6443
6444         PR 6992
6445         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
6446         relocatable link set the value of the section symbol to zero.
6447         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
6448         relocatable link don't include the section address in the local
6449         symbol value.
6450
6451 2009-02-27  Ian Lance Taylor  <iant@google.com>
6452
6453         PR 6811
6454         * options.h (class Search_directory): Add is_system_directory.
6455         (class General_options): Declare is_in_system_directory.
6456         * options.cc (get_relative_sysroot): Make static.
6457         (get_default_sysroot): Make static.
6458         (General_optoins::is_in_system_directory): New function.
6459         * fileread.cc (Input_file::is_in_system_directory): New function.
6460         * fileread.h (class Input_file): Declare is_in_system_directory.
6461         * object.h (class Object): Add is_in_system_directory.
6462         (class Input_objects): Remove system_library_directory_ field.
6463         * object.cc (Input_objects::add_object): Don't set
6464         system_library_directory_.
6465         (input_objects::found_in_system_library_directory): Remove.
6466         * symtab.cc (Symbol_table::write_globals): Remove input_objects
6467         parameter.  Change all callers.
6468         (Symbol_table::sized_write_globals): Likewise.
6469         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
6470         Call Object::is_in_system_directory.
6471         * symtab.h (class Symbol_table): Update declarations.
6472
6473         PR 5990
6474         * descriptors.h (Open_descriptor): Add is_on_stack field.
6475         * descriptors.cc (Descriptors::open): If the descriptor is on the
6476         top of the stack, remove it.  Initialize is_on_stack field.
6477         (Descriptors::release): Only add pod to stack if it is not on the
6478         stack already.
6479         (Descriptors::close_some_descriptor): Clear stack_next and
6480         is_on_stack fields.
6481
6482         PR 7091
6483         * output.cc (Output_section::find_starting_output_address): Rename
6484         from starting_output_address; add PADDR parameter; change return
6485         type.
6486         * output.h (class Output_section): Declare
6487         find_starting_output_address instead of starting_output_address.
6488         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
6489         section symbol for which we can't find a merge section.
6490
6491         PR 9836
6492         * symtab.cc (Symbol_table::add_from_object): If the visibility is
6493         hidden or internal, force the symbol to be local.
6494         * resolve.cc (Symbol::override_visibility): Define.
6495         (Symbol::override_base): Use override_visibility.
6496         (Symbol_table::resolve): Likewise.
6497         (Symbol::override_base_with_special): Likewise.
6498         (Symbol_table::override_with_special): If the visibility is hidden
6499         or internal, force the symbol to be local.
6500         * symtab.h (class Symbol): Add set_visibility and
6501         override_visibility.
6502         * testsuite/ver_test_1.sh: New file.
6503         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
6504         (check_DATA): Add ver_test_1.syms.
6505         (ver_test_1.syms): New target.
6506         * testsuite/Makefile.in: Rebuild.
6507
6508 2009-02-25  Cary Coutant  <ccoutant@google.com>
6509
6510         * layout.cc (Layout::choose_output_section): Don't rename sections
6511         when using a linker script that has a SECTIONS clause.
6512         * Makefile.in: Regenerate.
6513
6514         * testsuite/Makefile.am (script_test_5.sh): New test case.
6515         * testsuite/Makefile.in: Regenerate.
6516         * testsuite/script_test_5.cc: New file.
6517         * testsuite/script_test_5.sh: New file.
6518         * testsuite/script_test_5.t: New file.
6519
6520 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
6521
6522         * archive.cc (Archive::include_member): Update calls to add_symbols.
6523         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
6524         the Layout argument.
6525         * dynobj.h (do_add_symbols): Add the Layout argument.
6526         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
6527         Layout argument.
6528         * object.h (Object::add_symbols): Add the Layout argument.
6529         (Object::do_add_symbols): Add the Layout argument.
6530         (Sized_relobj::do_add_symbols): Add the Layout argument.
6531         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
6532         Unify the two versions.
6533         (Add_plugin_symbols): Remove.
6534         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
6535         (Sized_pluginobj::do_add_symbols): Unify the two versions.
6536         (Add_plugin_symbols): Remove.
6537         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
6538         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
6539         (Add_symbols::run): Make it work with Pulginobj.
6540
6541 2009-02-06  Ian Lance Taylor  <iant@google.com>
6542
6543         * object.cc (Sized_relobj::do_layout): Make info message start
6544         with lower case letter.
6545
6546 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
6547
6548         * binary.cc: Fix file comment.
6549
6550         * options.h (enum Incremental_disposition): Define.
6551         (class General_options): Add new options: --incremental,
6552         --incremental_changed, --incremental_unchanged,
6553         --incremental_unknown.  Add incremental_disposition_ and
6554         implicit_incremental_ fields.
6555         (General_options::incremental_disposition): New function.
6556         (class Position_dependent_options): Add incremental_disposition
6557         option.
6558         (Position_dependent_options::copy_from_options): Set incremental
6559         dispositions.
6560         * options.cc (General_options::parse_incremental_changed): New
6561         function.
6562         (General_options::parse_incremental_unchanged): New function.
6563         (General_options::parse_incremental_unknown): New function.
6564         (General_options::General_options): Initialize new fields
6565         incremental_disposition_ and implicit_incremental_.
6566         (General_options::finalize): Check for uasge of --incremental-*
6567         without --incremental.
6568
6569 2009-02-06  Chris Demetriou  <cgd@google.com>
6570
6571         * gold.h (gold_undefined_symbol): Change to take only a Symbol
6572         pointer and to report location as the file name associated with
6573         the symbol.
6574         (gold_undefined_symbol_at_location): New function to replace the
6575         old gold_undefined_symbol functionality.
6576         * target-reloc.h (relocate_section): Update to use
6577         gold_undefined_symbol_at_location.
6578         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
6579         Call gold_undefined_symbol function rather than gold_error.
6580         * errors.h (Errors::undefined_symbol): Take location as a
6581         string, rather than calculating it from a relocation.
6582         * errors.cc (Errors::fatal): Print "fatal error:" before the
6583         formatted message.
6584         (Errors::error, Errors::error_at_location): Print "error: "
6585         before the formatted message.
6586         (Errors::undefined_symbol): Take location as a string, rather
6587         than calculating it from a relocation.
6588         (gold_undefined_symbol_at_location): New function akin to
6589         old gold_undefined_symbol, calculates location from relocation.
6590         (gold_undefined_symbol): Change to take only a Symbol pointer
6591         and to report location as the file name associated with the symbol.
6592         * testsuite/debug_msg.sh: Update for changed error messages.
6593         * testsuite/undef_symbol.sh: Likewise.
6594
6595 2009-02-04  Duncan Sands  <baldrick@free.fr>
6596
6597         PR 9812
6598         * reduced_debug_output.h
6599         (Output_reduced_debug_abbrev_section::failed): Use format for
6600         gold_warning.
6601         (Output_reduced_debug_info_section::faild): Likewise.
6602
6603 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
6604
6605         * script.cc (Lazy_demangler): New class.
6606         (Version_script_info::get_symbol_version_helper): Demangle a
6607         symbol only once.
6608
6609 2009-01-29  Cary Coutant  <ccoutant@google.com>
6610
6611         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
6612         to __tls_get_addr.
6613         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
6614
6615 2009-01-28  Ian Lance Taylor  <iant@google.com>
6616
6617         * version.cc (version_string): Bump to 1.9.
6618
6619         * gold.h: Include <cstring> and <stdint.h>.
6620         * version.cc: Include <cstdio>.
6621         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
6622         warning.
6623         * reduced_debug_output.cc (insert_into_vector): Rename from
6624         Insert_into_vector; change all callers.  Use Swap_unaligned to
6625         avoid aliasing issue; remove union since it is unnecessary.
6626
6627 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
6628
6629         * Makefile.am (CCFILES): Add gc.cc.
6630         (HFILES): Add gc.h.
6631         * Makefile.in: Regenerate.
6632         * gold.cc (Gc_runner): New class.
6633         (queue_initial_tasks): Call garbage collection related tasks
6634         when corresponding options are invoked.
6635         (queue_middle_gc_tasks): New function.
6636         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
6637         processed early before laying out sections during garbage collection.
6638         * gold.h (queue_middle_gc_tasks): New function.
6639         (is_prefix_of): Move from "layout.cc".
6640         * i386.cc (Target_i386::gc_process_relocs): New function.
6641         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
6642         * main.cc (main): Create object of class "Garbage_collection".
6643         * object.cc (Relobj::copy_symbols_data): New function.
6644         (Relobj::is_section_name_included): New function.
6645         (Sized_relobj::do_layout): Allow this function to be called twice
6646         during garbage collection and defer layout of section during the
6647         first call.
6648         * object.h (Relobj::get_symbols_data): New function.
6649         (Relobj::is_section_name_included): New function.
6650         (Relobj::copy_symbols_data): New function.
6651         (Relobj::set_symbols_data): New function.
6652         (Relobj::get_relocs_data): New function.
6653         (Relobj::set_relocs_data): New function.
6654         (Relobj::is_output_section_offset_invalid): New pure virtual function.
6655         (Relobj::gc_process_relocs): New function.
6656         (Relobj::do_gc_process_relocs): New pure virtual function.
6657         (Relobj::sd_): New data member.
6658         (Sized_relobj::is_output_section_offset_invalid): New function.
6659         (Sized_relobj::do_gc_process_relocs): New function.
6660         * options.h (General_options::gc_sections): Modify to not be a no-op.
6661         (General_options::print_gc_sections): New option.
6662         * plugin.cc (Plugin_finish::run): Remove function call to
6663         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
6664         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
6665         * reloc.cc (Read_relocs::run): Add task to process relocs and
6666         determine unreferenced sections when doing garbage collection.
6667         (Gc_process_relocs): New class.
6668         (Sized_relobj::do_gc_process_relocs): New function.
6669         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
6670         sections that are garbage collected.
6671         * reloc.h (Gc_process_relocs): New class.
6672         * sparc.cc (Target_sparc::gc_process_relocs): New function.
6673         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
6674         symbols whose corresponding sections are garbage collected.
6675         (Symbol_table::Symbol_table): Add new parameter for the garbage
6676         collection object.
6677         (Symbol_table::gc_mark_undef_symbols): New function.
6678         (Symbol_table::gc_mark_symbol_for_shlib): New function.
6679         (Symbol_table::gc_mark_dyn_syms): New function.
6680         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
6681         as garbage.
6682         (Symbol_table::add_from_object): Likewise.
6683         (Symbol_table::add_from_relobj): When building shared objects, do not
6684         treat externally visible symbols as garbage.
6685         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
6686         table information for static and relocatable links.
6687         * symtab.h (Symbol_table::set_gc): New function.
6688         (Symbol_table::gc): New function.
6689         (Symbol_table::gc_mark_undef_symbols): New function.
6690         (Symbol_table::gc_mark_symbol_for_shlib): New function.
6691         (Symbol_table::gc_mark_dyn_syms): New function.
6692         (Symbol_table::gc_): New data member.
6693         * target.h (Sized_target::gc_process_relocs): New pure virtual
6694         function.
6695         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
6696         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
6697
6698 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
6699
6700         * options.h (General_options::gc_sections): Define as a no-op for now.
6701         (General_options::no_keep_memory): Ditto.
6702         (General_options::Bshareable): Define.
6703         * options.cc (General_options::finalize): Honor -Bshareable.
6704
6705 2009-01-20  Andreas Schwab  <schwab@suse.de>
6706
6707         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
6708         read the value in the contents, since we don't use it.  Use the
6709         template endianness when writing.
6710         (Relocate::relocate): Use it for R_PPC_REL16_HA.
6711
6712 2009-01-19  Andreas Schwab  <schwab@suse.de>
6713
6714         * configure.tgt (powerpc64-*): Fix targ_obj.
6715
6716 2009-01-15  Ian Lance Taylor  <iant@google.com>
6717
6718         * object.cc (Sized_relobj::write_local_symbols): Don't write out
6719         local symbols when stripping all symbols.
6720
6721 2009-01-14  Cary Coutant  <ccoutant@google.com>
6722
6723         * output.cc (Output_reloc): Add explicit instantiations.
6724
6725 2009-01-14  Cary Coutant  <ccoutant@google.com>
6726
6727         * archive.cc (Archive::get_elf_object_for_member): Remove call
6728         to File_read::claim_for_plugin.
6729         * descriptors.cc (Descriptors::open): Remove reference to
6730         is_claimed.
6731         (Descriptors::claim_for_plugin): Remove.
6732         * descriptors.h (Descriptors::claim_for_plugin): Remove.
6733         (Descriptors::is_claimed): Remove.
6734         (claim_descriptor_for_plugin): Remove.
6735         * fileread.cc (File_read::claim_for_plugin): Remove.
6736         * fileread.h (File_read::claim_for_plugin): Remove.
6737         (File_read::descriptor): Reopen descriptor if necessary.
6738         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
6739         (Plugin_manager::all_symbols_read): Add task parameter. Change
6740         all callers.
6741         (Plugin_manager::get_input_file): New function.
6742         (Plugin_manager::release_input_file): New function.
6743         (Pluginobj::Pluginobj): Add filesize parameter and initialize
6744         corresponding data member.
6745         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
6746         and pass to base constructor. Change all callers.
6747         (get_input_file, release_input_file): New functions.
6748         (make_sized_plugin_object): Add filesize parameter. Change all callers.
6749         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
6750         (Plugin_manager::all_symbols_read): Add task parameter.
6751         (Plugin_manager::get_input_file): New function.
6752         (Plugin_manager::release_input_file): New function.
6753         (Plugin_manager::task_): New data member.
6754         (Pluginobj::Pluginobj): Add filesize parameter.
6755         (Pluginobj::filename): New function.
6756         (Pluginobj::descriptor): New function.
6757         (Pluginobj::filesize): New function.
6758         (Pluginobj::filesize_): New data member.
6759         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
6760         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
6761         File_read::claim_for_plugin; use Object::unlock to unlock the file.
6762
6763         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
6764         with archive libraries.
6765         * testsuite/Makefile.in: Regenerate.
6766         * testsuite/plugin_test.c (struct sym_info): New type.
6767         (get_input_file, release_input_file): New static variables.
6768         (onload): Capture new transfer vector entries.
6769         (claim_file_hook): Stop reading at end of file according to filesize.
6770         Factor out parsing of readelf output into separate function.
6771         (all_symbols_read_hook): Exercise get_input_file and release_input_file
6772         APIs and get the source file name from the symbol table.  Convert
6773         source file name to corresponding object file name.  Print info
6774         message when adding new input files.
6775         (parse_readelf_line): New function.
6776         * testsuite/plugin_test_1.sh: Add checks for new info messages.
6777         * testsuite/plugin_test_2.sh: Likewise.
6778         * testsuite/plugin_test_3.sh: Likewise.
6779         * testsuite/plugin_test_4.sh: New test case.
6780
6781 2009-01-07  Ian Lance Taylor  <iant@google.com>
6782
6783         * version.cc (version_string): Bump to 1.8.
6784
6785 2008-12-23  Cary Coutant  <ccoutant@google.com>
6786
6787         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
6788         * plugin.cc (Plugin_manager::finish): Rename as
6789         layout_deferred_objects.  Move cleanup to separate function.
6790         (Plugin_manager::cleanup): New function.
6791         (Plugin_finish::run): Call layout_deferred_objects and cleanup
6792         separately.
6793         * plugin.h (Plugin_manager::finish): Rename as
6794         layout_deferred_objects.
6795         (Plugin_manager::cleanup): New function.
6796         (Plugin_manager::cleanup_done): New field.
6797
6798 2008-12-23  Cary Coutant  <ccoutant@google.com>
6799
6800         * plugin.cc (is_visible_from_outside): New function.
6801         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
6802         so we don't return "IR only" status for exported symbols or -r links.
6803
6804         * testsuite/Makefile.am (plugin_test_3): New test case.
6805         * testsuite/Makefile.in: Regenerate.
6806         * testsuite/plugin_test_3.sh: New file.
6807
6808 2008-12-22  Cary Coutant  <ccoutant@google.com>
6809
6810         * object.cc (Sized_relobj::layout_section): New function.
6811         (Sized_relobj::do_layout): Defer layout of input sections until after
6812         plugin has provided replacement files.
6813         (Sized_relobj::do_layout_deferred_sections): New function.
6814         * object.h (Relobj::set_section_offset): Remove virtual keyword.
6815         (Relobj::layout_deferred_sections): New function.
6816         (Relobj::do_layout_deferred_sections): New function.
6817         (Sized_relobj::do_layout_deferred_sections): New function.
6818         (Sized_relobj::layout_section): New function.
6819         (Sized_relobj::Deferred_layout): New structure.
6820         (Sized_relobj::deferred_layout_): New field.
6821         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
6822         Change all callers.  Layout deferred sections.
6823         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
6824         references.
6825         (Plugin_hook::run): Move code from do_plugin_hook inline.
6826         (Plugin_hook::do_plugin_hook): Remove.
6827         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
6828         (Plugin_manager::finish): Renamed, was cleanup.
6829         (Plugin_manager::should_defer_layout): New function.
6830         (Plugin_manager::add_deferred_layout_object): New function.
6831         (Plugin_manager::Deferred_layout_list): New type.
6832         (Plugin_manager::deferred_layout_objects_): New field.
6833         (Plugin_hook::do_plugin_hook): Remove.
6834
6835 2008-12-17  Ian Lance Taylor  <iant@google.com>
6836
6837         * options.h (class General_options): Add --no case for
6838         --export-dynamic.
6839
6840 2008-12-16  Cary Coutant  <ccoutant@google.com>
6841
6842         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
6843         vector.
6844         (Plugin_manager::claim_file): Create plugin object even if
6845         plugin did not call the add_symbols callback.
6846         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
6847         asking for more symbols than were added.
6848         * testsuite/Makefile.am (plugin_test_1): Add test case with
6849         no global symbols.
6850         (empty.syms): New target.
6851         * testsuite/Makefile.in: Regenerate.
6852         * testsuite/plugin_test.c (claim_file_hook): Add new debug
6853         message. Don't call add_symbols if no globals.
6854         (all_symbols_read_hook): Don't provide replacement for empty
6855         claimed file.
6856
6857 2008-12-12  Ian Lance Taylor  <iant@google.com>
6858
6859         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
6860         r_type == 0 for a local symbol with r_sym == 0.
6861         (scan_relocatable_relocs): Pass r_sym to
6862         local_non_section_strategy.
6863         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
6864         r_sym parameter.
6865
6866         * configure.ac: Update test for TLS descriptors: they are
6867         supported as of glibc 2.9.
6868         * configure: Rebuild.
6869
6870 2008-12-11  Ian Lance Taylor  <iant@google.com>
6871
6872         PR 7091
6873         * target-reloc.h (Default_scan_relocatable_relocs): For each
6874         function, map r_type == 0 to RELOC_DISCARD.
6875
6876 2008-12-10  Cary Coutant  <ccoutant@google.com>
6877
6878         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
6879         object to override a kept COMDAT group from a plugin object.
6880
6881 2008-12-09  Ian Lance Taylor  <iant@google.com>
6882
6883         PR 7088
6884         * yyscript.y (file_cmd): Handle INPUT.
6885
6886         * testsuite/initpri1.c: Change all declarations to be full
6887         prototypes by adding void, to avoid compiler warnings.
6888
6889 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
6890
6891         * options.cc (General_options::parse_plugin_opt): New.
6892         (General_options::add_plugin): The argument now is just the filename.
6893         (General_options::add_plugin_option): New.
6894         * options.h (plugin_opt): New.
6895         (add_plugin): Change argument name.
6896         (add_plugin_option): New.
6897         * plugin.cc (Plugin::load): Don't parse the plugin option.
6898         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
6899         (Plugin::add_option): New.
6900         (Plugin::args_): Change type.
6901         (Plugin::filename_): New.
6902         (Plugin_manager::add_plugin_option): New.
6903         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
6904         * testsuite/Makefile.in: Regenerate.
6905
6906 2008-12-05  Cary Coutant  <ccoutant@google.com>
6907
6908         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
6909         Handle --strip-lto-sections option.
6910         * options.h (strip_lto_sections): New option.
6911
6912 2008-12-01  Cary Coutant  <ccoutant@google.com>
6913
6914         * plugin.cc (ld_plugin_message): Change format parameter to const.
6915         Fix mismatch between new[] and delete.
6916
6917 2008-11-14  Cary Coutant  <ccoutant@google.com>
6918
6919         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
6920         instead of -1U.
6921
6922 2008-11-05  Craig Silverstein  <csilvers@google.com>
6923
6924         * options.cc (General_options::parse_dynamic_list): New function.
6925         * options.h (General_options): New flags dynamic_list,
6926         dynamic_list_data, dynamic_list_cpp_new, and
6927         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
6928         (General_options::in_dynamic_list): New function.
6929         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
6930         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
6931         (Lex::can_continue_name): Likewise.
6932         (yylex): Likewise.
6933         (read_script_file): New parameter script_options.
6934         (read_dynamic_list): New function.
6935         (Script_options::define_dynamic_list): New function.
6936         (dynamic_list_keyword_parsecodes): New variable.
6937         (dynamic_list_keywords): New variable.
6938         * script.h (Script_options::define_dynamic_list): New function
6939         prototype.
6940         (read_dynamic_list): New function prototype.
6941         * symtab.cc (strprefix): New macro.
6942         (Symbol::should_add_dynsym_entry): Support dynamic_list,
6943         dynamic_list_data, dynamic_list_cpp_new, and
6944         dynamic_list_cpp_typeinfo.
6945         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
6946         (dynamic_list_expr): New rule.
6947         (dynamic_list_nodes): Likewise.
6948         (dynamic_list_node): Likewise.
6949         * testsuite/Makefile.am (dynamic_list): New test.
6950         * testsuite/Makefile.in: Regenerated.
6951         * testsuite/dynamic_list.t: New file.
6952         * testsuite/dynamic_list.sh: New file.
6953
6954 2008-11-05  Craig Silverstein  <csilvers@google.com>
6955
6956         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
6957         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
6958         (t11_last): Likewise.
6959         * testsuite/ver_test_6.c (main): Likewise.
6960
6961 2008-10-07  Cary Coutant  <ccoutant@google.com>
6962
6963         * options.c (General_options::finalize): Add check for -static and
6964         -shared.
6965         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
6966         is not empty.
6967
6968 2008-10-02  Cary Coutant  <ccoutant@google.com>
6969
6970         * plugin.cc (make_sized_plugin_object): Fix conditional
6971         compilation to work when not all targets are enabled.
6972
6973 2008-09-29  Cary Coutant  <ccoutant@google.com>
6974
6975         * archive.cc (Archive::get_file_and_offset): Use filename instead
6976         of name to get library path.
6977         (Archive::include_member): Unlock external member of a thin archive.
6978
6979         * testsuite/Makefile.am (TEST_AR): New variable.
6980         (thin_archive_test_1): New test.
6981         (thin_archive_test_2): New test.
6982         * testsuite/Makefile.in: Regenerate.
6983         * testsuite/thin_archive_main.cc: New file.
6984         * testsuite/thin_archive_test_1.cc: New file.
6985         * testsuite/thin_archive_test_2.cc: New file.
6986         * testsuite/thin_archive_test_3.cc: New file.
6987         * testsuite/thin_archive_test_4.cc: New file.
6988
6989 2008-09-29  Cary Coutant  <ccoutant@google.com>
6990
6991         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
6992         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
6993         instead of -1U.
6994         (Sized_relobj::do_finalize_local_symbols): Likewise.
6995         (Sized_relobj::map_to_kept_section): Likewise.
6996         * object.h (Sized_relobj::invalid_address): New constant.
6997         (Sized_relobj::do_output_section_offset): Check for invalid_address
6998         and return -1ULL.
6999         * output.cc (Output_reloc::local_section_offset): Use constant
7000         invalid_address instead of -1U.
7001         (Output_reloc::get_address): Likewise.
7002         (Output_section::output_address): Change -1U to -1ULL.
7003         * output.h (Output_reloc::invalid_address): New constant.
7004         * reloc.cc (Sized_relobj::write_sections): Use constant
7005         invalid_address instead of -1U.
7006         (Sized_relobj::relocate_sections): Likewise.
7007         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
7008         values for merge sections.
7009         * target-reloc.h (relocate_for_relocatable): Use constant
7010         invalid_address instead of -1U.
7011
7012 2008-09-19  Cary Coutant  <ccoutant@google.com>
7013
7014         Add plugin functionality for link-time optimization (LTO).
7015         * configure.ac (plugins): Add --enable-plugins option.
7016         * configure: Regenerate.
7017         * config.in: Regenerate.
7018         * Makefile.am (LIBDL): New variable.
7019         (CCFILES): Add plugin.cc.
7020         (HFILES): Add plugin.h.
7021         (ldadd_var): Add LIBDL.
7022         * Makefile.in: Regenerate.
7023
7024         * archive.cc: Include "plugin.h".
7025         (Archive::setup): Don't preread archive symbols when using a plugin.
7026         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
7027         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
7028         files.
7029         (Archive::include_member): Add symbols from plugin objects.
7030         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
7031         * descriptors.cc (Descriptors::open): Check for file descriptors
7032         abandoned by plugins.
7033         (Descriptors::claim_for_plugin): New function.
7034         * descriptors.h (Descriptors::claim_for_plugin): New function.
7035         (Open_descriptor::is_claimed): New field.
7036         (claim_descriptor_for_plugin): New function.
7037         * fileread.cc (File_read::claim_for_plugin): New function.
7038         * fileread.h (File_read::claim_for_plugin): New function.
7039         (File_read::descriptor): New function.
7040         * gold.cc: Include "plugin.h".
7041         (queue_initial_tasks): Add task to call plugin hooks for generating
7042         new object files.
7043         * main.cc: Include "plugin.h".
7044         (main): Load plugin libraries.
7045         * object.h (Pluginobj): Declare.
7046         (Object::pluginobj): New function.
7047         (Object::do_pluginobj): New function.
7048         (Object::set_target): New function.
7049         * options.cc: Include "plugin.h".
7050         (General_options::parse_plugin): New function.
7051         (General_options::General_options): Initialize plugins_ field.
7052         (General_options::add_plugin): New function.
7053         * options.h (Plugin_manager): Declare.
7054         (General_options): Add --plugin option.
7055         (General_options::has_plugins): New function.
7056         (General_options::plugins): New function.
7057         (General_options::add_plugin): New function.
7058         (General_options::plugins_): New field.
7059         * plugin.cc: New file.
7060         * plugin.h: New file.
7061         * readsyms.cc: Include "plugin.h".
7062         (Read_symbols::do_read_symbols): Check for archive before checking
7063         for ELF file.  Call plugin hooks to claim files.
7064         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
7065         from a real object file; force override when processing replacement
7066         files.
7067         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
7068         (Symbol::init_base_object): Likewise.
7069         (Symbol::init_base_output_data): Likewise.
7070         (Symbol::init_base_output_segment): Likewise.
7071         (Symbol::init_base_constant): Likewise.
7072         (Symbol::init_base_undefined): Likewise.
7073         (Symbol::output_section): Assert that object is not a plugin.
7074         (Symbol_table::add_from_pluginobj): New function.
7075         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
7076         undefined.
7077         (Symbol_table::sized_write_globals): Likewise.
7078         (Symbol_table::add_from_pluginobj): Instantiate template.
7079         * symtab.h (Sized_pluginobj): Declare.
7080         (Symbol::in_real_elf): New function.
7081         (Symbol::set_in_real_elf): New function.
7082         (Symbol::in_real_elf_): New field.
7083         (Symbol_table::add_from_pluginobj): New function.
7084
7085         * testsuite/Makefile.am (AM_CFLAGS): New variable.
7086         (LIBDL): New variable.
7087         (LDADD): Add LIBDL.
7088         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
7089         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
7090         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
7091         (MOSTLYCLEANFILES): Likewise.
7092         * testsuite/Makefile.in: Regenerate.
7093         * testsuite/plugin_test.c: New file.
7094         * testsuite/plugin_test_1.sh: New file.
7095         * testsuite/plugin_test_2.sh: New file.
7096
7097 2008-09-16  Ian Lance Taylor  <iant@google.com>
7098
7099         * target-reloc.h (relocate_section): Check whether a symbol is
7100         defined by the ABI before reporting an undefined symbol error.
7101         * target.h (Target::is_defined_by_abi): Make parameter const.
7102         (Target::do_is_defined_by_abi): Likewise.
7103         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
7104         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
7105         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
7106         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
7107         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
7108         * testsuite/Makefile.in: Rebuild.
7109
7110         * fileread.cc (make_view): Add casts to avoid warning.
7111
7112 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
7113
7114         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
7115         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
7116
7117 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
7118
7119         * options.h (General_options::output_is_executable): New.
7120         (General_options::output_is_pie): New.
7121         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
7122         for shared libraries.
7123         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
7124
7125 2008-09-11  Chris Demetriou  <cgd@google.com>
7126
7127         * options.h (origin): New -z option.
7128         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
7129         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
7130         in DT_FLAGS_1.
7131
7132 2008-09-05  Cary Coutant  <ccoutant@google.com>
7133
7134         * fileread.cc (File_read::make_view): Add check for attempt to map
7135         beyond end of file.
7136
7137 2008-09-05  Cary Coutant  <ccoutant@google.com>
7138
7139         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
7140         explicit instantiations.
7141
7142 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
7143
7144         PR gold/6858
7145         * options.cc (General_options::finalize): Allow undefined symbols
7146         in shlibs if linking -shared.
7147
7148         PR gold/6859
7149         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
7150         symbols as not needing a dynsym entry.
7151
7152 2008-08-20  Craig Silverstein  <csilvers@google.com>
7153
7154         * fileread.cc (File_read::open): Do not lock the file unless it
7155         was successfully opened.
7156
7157 2008-08-14  Cary Coutant  <ccoutant@google.com>
7158
7159         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
7160         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
7161         * testsuite/tls_test.cc (struct int128): 128-bit struct
7162         for testing TLS relocs with non-zero addend.
7163         (v12): New TLS variable.
7164         (t12): New test.
7165         (t_last): Add check for v12.
7166         * testsuite/tls_test.h (t12): New function.
7167         * testsuite/tls_test_main.cc (thread_routine): Call new test.
7168
7169 2008-08-13  Ian Lance Taylor  <iant@google.com>
7170
7171         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
7172         set tls_segment_ or relro_segment_.
7173         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
7174         when appropriate.
7175         * output.h (Output_section::clear_is_relro): New function.
7176         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
7177         sections specially even when output_data_ is empty.
7178         (Output_segment::maximum_alignment): When first section is relro,
7179         only force alignment for PT_LOAD segments.
7180         * script.cc (script_data_segment_align): New function.
7181         (script_data_segment_relro_end): New function.
7182         * script-c.h (script_data_segment_align): Declare.
7183         (script_data_segment_relro_end): Declare.
7184         * script-sections.h (class Script_sections): Declare
7185         data_segment_align and data_segment_relro_end.  Add fields
7186         segment_align_index_ and saw_relro_end_.
7187         * script-sections.cc (class Sections_element): Add set_is_relro
7188         virtual function.  Add new bool* parameter to place_orphan_here.
7189         Add get_output_section virtual function.
7190         (class Output_section_definition): Add set_is_relro.  Add new
7191         bool* parameter to place_orphan_here.  Add get_output_section.
7192         Add is_relro_ field.
7193         (Output_section_definition::Output_section_definition): Initialize
7194         evaluated_address_, evaluated_load_address, evaluated_addralign_,
7195         and is_relro_ fields.
7196         (Output_section_definition::place_orphan_here): Add is_relro
7197         parameter.
7198         (Output_section_definition::set_section_addresses): Set relro for
7199         output section.
7200         (Output_section_definition::alternate_constraint): Likewise.
7201         (class Orphan_output_section): Add new bool* parameter to
7202         place_orphan_here.  Add get_output_section.
7203         (Orphan_output_section::place_orphan_here): Add is_relro
7204         parameter.
7205         (Script_sections::Script_sections): Initialize
7206         data_segment_align_index_ and saw_relro_end_.
7207         (Script_sections::data_segment_align): New function.
7208         (Script_sections::data_segment_relro_end): New function.
7209         (Script_sections::place_orphan): Set or clear is_relro.
7210         (Script_sections::set_section_addresses): Force alignment of first
7211         TLS section.
7212         * yyscript.y (exp): Call script_data_segment_align and
7213         script_data_segment_relro_end.
7214         * testsuite/relro_script_test.t: New file.
7215         * testsuite/relro_test.cc (using_script): Declare.
7216         (t1, t2): Test using_script.
7217         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
7218         (relro_script_test_SOURCES): Define.
7219         (relro_script_test_DEPENDENCIES): Define.
7220         (relro_script_test_LDFLAGS): Define.
7221         (relro_script_test_LDADD): Define.
7222         (relro_script_test.so): New target.
7223         * testsuite/Makefile.in: Rebuild.
7224
7225 2008-08-06  Cary Coutant <ccoutant@google.com>
7226
7227         * archive.cc (Archive::total_archives, Archive::total_members)
7228         (Archive::total_members_loaded): New variables.
7229         (Archive::setup): Add parameter.  Add option to preread
7230         archive symbols.
7231         (Archive::read_armap): Add counter.
7232         (Archive::get_file_and_offset): New function.
7233         (Archive::get_elf_object_for_member): New function.
7234         (Archive::read_all_symbols): New function.
7235         (Archive::read_symbols): New function.
7236         (Archive::add_symbols): Add counters.
7237         (Archive::include_all_members): Use armap to find members if it's
7238         already built.
7239         (Archive::include_member): Skip reading symbols if already read.
7240         Factored code into Archive::get_file_and_offset and
7241         Archive::get_elf_object_for_member.  Changed call to
7242         Mapfile::report_include_archive_member.
7243         (Archive::print_stats): New function.
7244         * archive.h: Declare Object and Read_symbols_data classes.
7245         (Archive::Archive): Add initializers for new members.
7246         (Archive::setup): Add parameter.
7247         (Archive::print_stats): New function.
7248         (Archive::total_archives, Archive::total_members)
7249         (Archive::total_members_loaded): New variables.
7250         (Archive::get_file_and_offset): New function.
7251         (Archive::get_elf_object_for_member): New function.
7252         (Archive::read_all_symbols): New function.
7253         (Archive::read_symbols): New function.
7254         (Archive::Archive_member): New class.
7255         (Archive::members_): New member.
7256         (Archive::num_members_): New member.
7257         * main.cc: Include archive.h.
7258         (main): Call Archive::print_stats.
7259         * mapfile.cc (Mapfile::report_include_archive_member): Delete
7260         archive parameter; member_name is now the fully-decorated name.
7261         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
7262         * options.h: (General_options): Add --preread-archive-symbols option.
7263         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
7264         Archive::setup.
7265
7266 2008-08-04  Ian Lance Taylor  <iant@google.com>
7267
7268         * symtab.h (Symbol::use_plt_offset): New function.
7269         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
7270         * powerpc.cc (Relocate::relocate): Likewise.
7271         * sparc.cc (Relocate::relocate): Likewise.
7272         * x86_64.cc (Relocate::relocate): Likewise.
7273         * testsuite/weak_plt.sh: New test.
7274         * testsuite/weak_plt_main.cc: New test.
7275         * testsuite/weak_plt_shared.cc: New test.
7276         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
7277         (check_PROGRAMS): Add weak_plt.
7278         (check_DATA): Add weak_plt_shared.so.
7279         (weak_plt_main_pic.o, weak_plt): New targets.
7280         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
7281         * testsuite/Makefile.in: Rebuild.
7282
7283         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
7284         gcctestdir/ld.
7285         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
7286         * testsuite/Makefile.in: Rebuild.
7287
7288 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
7289
7290         * Makefile.am (POTFILES.in): Set LC_ALL=C.
7291         * Makefile.in: Regenerate.
7292         * po/POTFILES.in: Regenerate.
7293
7294 2008-07-29  Ian Lance Taylor  <iant@google.com>
7295
7296         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
7297         symbols before other symbols.
7298         * testsuite/script_test_2.cc (test_addr): Declare.
7299         (test_addr_alias): Declare.
7300         (main): Check that test_addr and test_addr_alias have the right
7301         values.
7302         * testsuite/script_test_2.t: Define test_addr_alias and
7303         test_addr.
7304
7305 2008-07-24  Ian Lance Taylor  <iant@google.com>
7306
7307         PR 5990
7308         * descriptors.cc: New file.
7309         * descriptors.h: New file.
7310         * gold-threads.h (class Hold_optional_lock): New class.
7311         * fileread.cc: Include "descriptors.h".
7312         (File_read::~File_read): Release descriptor rather than closing
7313         it.
7314         (File_read::open) [file]: Call open_descriptor rather than open.
7315         Set is_descriptor_opened_.
7316         (File_read::open) [memory]: Assert that descriptor is not open.
7317         (File_read::reopen_descriptor): New function.
7318         (File_read::release): Release descriptor.
7319         (File_read::do_read): Make non-const.  Reopen descriptor.
7320         (File_read::read): Make non-const.
7321         (File_read::make_view): Reopen descriptor.
7322         (File_read::do_readv): Likewise.
7323         * fileread.h (class File_read): Add is_descriptor_opened_ field.
7324         Update declarations.
7325         * layout.cc: Include "descriptors.h".
7326         (Layout::create_build_id): Use open_descriptor rather than open.
7327         * output.cc: Include "descriptors.h".
7328         (Output_file::open): Use open_descriptor rather than open.
7329         * archive.cc (Archive::const_iterator): Change Archive to be
7330         non-const.
7331         (Archive::begin, Archive::end): Make non-const.
7332         (Archive::count_members): Likewise.
7333         * archive.h (class Archive): Update declarations.
7334         * object.h (Object::read): Make non-const.
7335         * Makefile.am (CCFILES): Add descriptors.cc.
7336         (HFILES): Add descriptors.h.
7337         * Makefile.in: Rebuild.
7338
7339         PR 6716
7340         * gold.h: Always include <clocale>.  Add Solaris workarounds
7341         following code in binutils/sysdep.h.
7342
7343         PR 6048
7344         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
7345         this->eh_frame_hdr_ is NULL before using it.
7346
7347         * dynobj.cc (Versions::Versions): Update comment.
7348
7349         * dynobj.cc (Versions::Versions): If there is an soname, use it as
7350         the base version name.
7351
7352         * stringpool.cc (Stringpool_template::add_with_length): Set key to
7353         array size plus one.
7354         (Stringpool_template::set_string_offsets): Subtract one from key
7355         before using it as an array index.
7356         (Stringpool_template::get_offset_with_length): Likewise.
7357         (Stringpool_template::write_to_buffer): Likewise.
7358         * stringpool.h (Stringpool_template::get_offset_from_key):
7359         Likewise.
7360
7361 2008-07-23  Ian Lance Taylor  <iant@google.com>
7362
7363         PR 6658
7364         * object.h (Merged_symbol_value::value): Do our best to handle a
7365         negative addend.
7366
7367         PR 6647
7368         * script.cc (Version_script_info::get_versions): Don't add empty
7369         version tag to return value.
7370         (Version_script_info::get_symbol_version_helper): Change return
7371         type to bool.  Add pversion parameter.  Change all callers.
7372         (script_register_vers_node): Don't require a non-NULL tag.
7373         * script.h (class Version_script_info): Update declarations.
7374         (Version_script_info::get_symbol_version): Change return type to
7375         bool.  Add version parameter.  Change all callers.
7376         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
7377         handling.  Handle an empty version from a version script.
7378         (Symbol_table::define_special_symbol): Likewise.
7379         * testsuite/ver_test_10.script: New file.
7380         * testsuite/ver_test_10.sh: New file.
7381         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
7382         (check_DATA): Add ver_test_10.syms.
7383         (ver_test_10.syms, ver_test_10.so): New target.
7384         * testsuite/Makefile.in: Rebuild.
7385
7386 2008-07-23  Simon Baldwin  <simonb@google.com>
7387
7388         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
7389         to zero for undefined symbols from dynamic libraries.
7390
7391 2008-07-23  Ian Lance Taylor  <iant@google.com>
7392
7393         * symtab.cc (Symbol_table::resolve): Remove version parameter.
7394         Change all callers.
7395         * symtab.h (class Symbol_table): Update declaration.
7396         * testsuite/ver_test_9.cc: New file.
7397         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
7398         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
7399         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
7400         (ver_test_9.so, ver_test_9.o): New targets.
7401         * testsuite/Makefile.in: Rebuild.
7402
7403 2008-07-22  Ian Lance Taylor  <iant@google.com>
7404
7405         * options.h (class General_options): Define --check-sections.
7406         * layout.cc (Layout::set_segment_offsets): Handle
7407         --check-sections.
7408
7409         * options.h (class General_options): Define -n/--nmagic and
7410         -N/--omagic.
7411         * options.cc (General_options::finalize): For -n/--nmagic or
7412         -N/--omagic, set -static.
7413         * layout.cc (Layout::attach_allocated_section_to_segment): If
7414         -N/--omagic, don't put read-only and read-write sections in
7415         different segments.
7416         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
7417         finding a read-only segment.
7418         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
7419         don't set the minimum segment alignment to the common page size,
7420         and don't set the file offset to the address modulo the page size.
7421         * script-sections.cc (Script_sections::create_segments): If
7422         -n/--omagic, don't put read-only and read-write sections in
7423         different segments.
7424
7425         * cref.cc: New file.
7426         * cref.h: New file.
7427         * options.h (class General_options): Add --print-symbol-counts.
7428         * main.cc (main): Issue defined symbol report if requested.
7429         * archive.cc (Archive::interpret_header): Make into a const member
7430         function.
7431         (Archive::add_symbols): Call Input_objects::archive_start and
7432         archive_stop.
7433         (Archive::const_iterator): Define new class.
7434         (Archive::begin, Archive::end): New functions.
7435         (Archive::include_all_members): Rewrite to use iterator.
7436         (Archive::count_members): New function.
7437         * archive.h (class Archive): Update declarations.
7438         (Archive::filename): New function.
7439         * object.cc: Include "cref.h".
7440         (Sized_relobj::Sized_relobj): Initialize defined_count_.
7441         (Sized_relobj::do_get_global_symbol_counts): New function.
7442         (Input_objects::add_object): Add object to cross-referencer.
7443         (Input_objects::archive_start): New function.
7444         (Input_objects::archive_stop): New function.
7445         (Input_objects::print_symbol_counts): New function.
7446         * object.h: Declare Cref and Archive.
7447         (Object::get_global_symbol_counts): New function.
7448         (Object::do_get_global_symbol_counts): New pure virtual function.
7449         (class Sized_relobj): Add defined_count_ field.  Update
7450         declarations.
7451         (class Input_objects): Add cref_ field.  Update constructor.
7452         Update declarations.
7453         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
7454         defined_count_.
7455         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
7456         symbol counts.
7457         (Sized_dynobj::do_get_global_symbol_counts): New function.
7458         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
7459         defined_count_.  Update declarations.  Define Symbols typedef.
7460         * symtab.cc (Symbol_table::add_from_relobj): Add defined
7461         parameter.  Change all callers.
7462         (Symbol_table::add_from_dynobj): Add sympointers and defined
7463         parameters.  Change all callers.
7464         * symtab.h (class Symbol_table): Update declarations.
7465         * Makefile.am (CCFILES): Add cref.cc.
7466         (HFILES): Add cref.h.
7467         * Makefile.in: Rebuild.
7468
7469 2008-07-22  Simon Baldwin  <simonb@google.com>
7470
7471         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
7472         to zero when writing undefined symbols.
7473
7474 2008-07-22  Ian Lance Taylor  <iant@google.com>
7475
7476         * output.cc (Output_section::add_input_section): Don't try to
7477         merge empty merge sections.
7478
7479 2008-07-21  Craig Silverstein  <csilvers@google.com>
7480
7481         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
7482         Include symbol version in error message.
7483
7484 2008-07-20  Chris Demetriou  <cgd@google.com>
7485
7486         * configure.ac (gold_cv_c_random_seed): New configured variable.
7487         (RANDOM_SEED_CFLAGS): New substituted variable.
7488         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
7489         * configure: Rebuild.
7490         * Makefile.in: Likewise.
7491         * testsuite/Makefile.in: Likewise.
7492
7493 2008-07-18  Ian Lance Taylor  <iant@google.com>
7494
7495         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
7496         where we see NAME/NULL and NAME/VERSION  as separate symbols.
7497         * testsuite/ver_test_main.cc (main): Call t4.
7498         (t4, t4_2a): Define.
7499         * testsuite/ver_test_2.cc (t4_2): Define.
7500         * testsuite/ver_test_2.script: Put t4_2a in VER2.
7501         * testsuite/ver_test_4.cc (t4_2a): Define.
7502         * testsuite/ver_test_4.script: Put t4_2a in VER2.
7503         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
7504
7505 2008-07-17  Ian Lance Taylor  <iant@google.com>
7506
7507         * dynobj.cc (Versions::add_def): If we give an error about a
7508         missing version, go ahead and create the version anyhow.
7509
7510 2008-07-10  Ian Lance Taylor  <iant@google.com>
7511
7512         Handle output sections with more than 0x7fffffff bytes.
7513         * object.h (class Relobj): Change map_to_output_ to
7514         output_sections_, and just keep a section pointer.  Change all
7515         uses.  Move comdat group support to Sized_relobj.
7516         (Relobj::is_section_specially_mapped): Remove.
7517         (Relobj::output_section): Remove poff parameter.  Change all
7518         callers.
7519         (Relobj::output_section_offset): New function.
7520         (Relobj::set_section_offset): Rewrite.
7521         (Relobj::map_to_output): Remove.
7522         (Relobj::output_sections): New function.
7523         (Relobj::do_output_section_offset): New pure virtual function.
7524         (Relobj::do_set_section_offset): Likewise.
7525         (class Sized_relobj): Add section_offsets_ field.  Add comdat
7526         group support from Relobj.  Update declarations.
7527         (Sized_relobj::get_output_section_offset): New function.
7528         (Sized_relobj::do_output_section_offset): New function.
7529         (Sized_relobj::do_set_section_offset): New function.
7530         * object.cc (Relobj::output_section_address): Remove.
7531         (Sized_relobj::Sized_relobj): Initialize new fields.
7532         (Sized_relobj::include_section_group): Cast find_kept_object to
7533         Sized_relobj.
7534         (Sized_relobj::include_linkonce_section): Likewise.
7535         (Sized_relobj::do_layout): Use separate arrays for output section
7536         and output offset.
7537         (Sized_relobj::do_count_local_symbols): Change map_to_output to
7538         output_sections.
7539         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
7540         output_sections and section_offsets.
7541         (Sized_relobj::write_local_symbols): Likewise.
7542         (map_to_kept_section): Compute output address directly.
7543         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
7544         output_sections and section_offsets.
7545         (Sized_relobj::write_sections): Likewise.
7546         (Sized_relobj::relocate_sections): Likewise.
7547         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
7548         * output.h (class Output_reloc): Update declarations.  Change
7549         u2_.relobj to Sized_relobj*.
7550         (class Output_data_reloc): Change add functions to use
7551         Sized_relobj*.
7552         * output.cc (Output_reloc::Output_reloc): Change relobj to
7553         Sized_relobj*.
7554         (Output_reloc::local_section_offset): Change return type to
7555         Elf_Addr.  Use get_output_section_offset.
7556         (Output_reloc::get_address): Likewise.
7557         (Output_section::is_input_address_mapped): Don't call
7558         is_section_specially_mapped.
7559         (Output_section::output_offset): Likewise.
7560         (Output_section::output_address): Likewise.
7561         (Output_section::starting_output_address): Likewise.
7562         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
7563         parameter to Sized_relobj*.
7564         (Copy_relocs::need_copy_reloc): Likewise.
7565         (Copy_relocs::save): Likewise.
7566         * copy-relocs.h (class Copy_relocs): Update declarations.
7567         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
7568         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
7569         * target-reloc.h (relocate_for_relocatable): Change
7570         offset_in_output_section type to Elf_Addr.  Change code that uses
7571         it as well.
7572         * layout.cc (Layout::layout): Always set *off.
7573         * mapfile.cc (Mapfile::print_input_section): Use
7574         output_section_offset.
7575         * i386.cc (Target_i386::copy_reloc): Change object parameter to
7576         Sized_relobj*.
7577         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
7578         * sparc.cc (Target_sparc::copy_reloc): Likewise.
7579         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
7580
7581 2008-07-03  Ian Lance Taylor  <iant@google.com>
7582
7583         * layout.cc (Layout::include_section): Do not discard unrecognized
7584         SHT_STRTAB sections.
7585
7586 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
7587
7588         * script.cc (Lex::can_continue_name): Make '?' allowable in
7589         version-script names.
7590         * testsuite/version_script.map: Change glob pattern to use '?'
7591
7592 2008-06-30  Manish Singh  <yosh@gimp.org>
7593
7594         PR 6585
7595         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
7596         Correct typo.
7597
7598 2008-06-30  Ian Lance Taylor  <iant@google.com>
7599
7600         PR 6660
7601         PR 6682
7602         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
7603         versions]: Don't try to read the value in the contents, since we
7604         don't use it.  Use the template endianness when writing.
7605
7606 2008-06-25  Cary Coutant  <ccoutant@google.com>
7607
7608         * fileread.cc (File_read::make_view): Assert on zero-length view.
7609         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
7610         symbol table when there are no symbols to read.
7611
7612 2008-06-23  Craig Silverstein  <csilvers@google.com>
7613
7614         * version.cc (version_string): Bump to 1.7
7615
7616 2008-06-18  Craig Silverstein  <csilvers@google.com>
7617
7618         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
7619         constant 0xFFFF to type Valtype.
7620         (Powerpc_relocate_functions::rel16_ha): Likewise.
7621
7622 2008-06-17  Ian Lance Taylor  <iant@google.com>
7623
7624         * output.h (Output_section::Input_section): Initialize p2align_ to
7625         zero for Output_section_data constructors.
7626         (Output_section::Input_section::addralign): If not an input
7627         section, return the alignment of the Output_section_data.
7628         * testsuite/copy_test.cc: New file.
7629         * testsuite/copy_test_1.cc: New file.
7630         * testsuite/copy_test_2.cc: New file.
7631         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
7632         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
7633         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
7634         (copy_test_1_pic.o, copy_test_1.so): New targets.
7635         (copy_test_2_pic.o, copy_test_2.so): New targets.
7636         * testsuite/Makefile.in: Rebuild.
7637
7638         * script-sections.cc (Script_sections::place_orphan): Initialize
7639         local variable exact.
7640
7641 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
7642
7643         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
7644
7645 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
7646             David S. Miller  <davem@davemloft.net>
7647
7648         * powerpc.cc: New file.
7649         * Makefile.am (TARGETSOURCES): Add powerpc.cc
7650         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
7651         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
7652         * Makefile.in: Rebuild.
7653
7654 2008-06-09  Ian Lance Taylor  <iant@google.com>
7655
7656         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
7657         <exception>.
7658         (throwing, orig_terminate): New static variables.
7659         (terminate_handler): New static function.
7660         (t2): Set terminate handler.
7661
7662 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
7663
7664         PR 6584
7665         * binary.cc (Binary_to_elf::sized_convert): Fix .data
7666         alignment.
7667
7668 2008-05-30  Cary Coutant  <ccoutant@google.com>
7669
7670         * archive.cc (Archive::include_all_members) Correct to step
7671         over symbol table and extended name table in thin archives.
7672
7673 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
7674
7675         PR 6407
7676         * target-reloc.h (relocate_for_relocatable): Fix new_offset
7677         calculation.
7678
7679 2008-05-28  Caleb Howe  <cshowe@google.com>
7680
7681         * reduced_debug_output.cc: New file.
7682         * reduced_debug_output.h: New file.
7683         * options.h (class General_options): Add --strip-debug-non-line.
7684         * options.cc (General_options::finalize): Add strip_debug_non_line
7685         to the strip heirarchy.
7686         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
7687         fields.
7688         * layout.cc: Include "reduced_debug_output.h".
7689         (Layout::Layout): Initialize new fields.
7690         (line_only_debug_sections): New static array.
7691         (is_lines_only_debug_sections): New static inline function.
7692         (Layout::include_section): Handle --strip-debug-non-line.
7693         (Layout::make_output_section): If --strip-debug-non-line, build
7694         new output sections for .debug_abbrev and .debug_info.
7695         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
7696         gold.  Warn about possible overflow.
7697         (read_signed_LEB_128): Likewise.
7698         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
7699         (read_signed_LEB_128): Declare.
7700         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
7701         (HFILES): Add reduced_debug_output.h.
7702         * Makefile.in: Rebuild.
7703
7704 2008-05-21  Ian Lance Taylor  <iant@google.com>
7705
7706         * mapfile.cc: New file.
7707         * mapfile.h: New file.
7708         * options.h (class General_options): Add -M/--print-map and -Map.
7709         * options.cc (General_options::finalize): Make -M equivalent to
7710         -Map -.
7711         * main.cc: Include <cstdio> and "mapfile.h".
7712         (main): Open mapfile if requested.
7713         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
7714         constructor.  Change caller.
7715         (queue_initial_tasks): Add mapfile parameter.  Change caller.
7716         (queue_middle_tasks): Likewise.
7717         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
7718         declarations.
7719         * archive.cc: Include "mapfile.h".
7720         (Archive::add_symbols): Add mapfile parameter.  Change all
7721         callers.  Pass mapfile, symbol, and reason to include_member.
7722         (Archive::include_all_members): Add mapfile parameter.  Change all
7723         callers.
7724         (Archive::include_member): Add mapfile, sym, and why parameters.
7725         Change all callers.  Report inclusion to map file.
7726         * archive.h: Include "fileread.h".
7727         (class Archive): Update declarations.
7728         (Archive::file): New const method.
7729         (class Add_archive_symbols): Add mapfile_ field.  Update
7730         constructor.  Change all callers.
7731         * readsyms.h (class Read_symbols): Likewise.
7732         (class Finish_group): Likewise.
7733         (class Read_script): Likewise.
7734         * common.cc: Include "mapfile.h".
7735         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
7736         all callers.
7737         (Symbol_table::do_allocate_commons): Likewise.
7738         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
7739         symbol allocation to mapfile.
7740         * common.h (class Allocate_commons_task): Add mapfile_ field.
7741         Update constructor.  Change all callers.
7742         * symtab.h (class Symbol_table): Update declarations.
7743         * layout.cc: Include "mapfile.h".
7744         (Layout_task_runner::run): Print information to mapfile.
7745         (Layout::create_gold_note): Change Output_data_fixed_space to
7746         Output_data_zero_fill.
7747         (Layout::create_build_id): Likewise.
7748         (Layout::print_to_mapfile): New function.
7749         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
7750         constructor.  Change caller.
7751         (class Layout): Declare print_to_mapfile.
7752         * output.cc (Output_section::Input_section::print_to_mapfile): New
7753         function.
7754         (Output_section::add_input_section): If producing a map, always
7755         add to input_sections_ list.
7756         (Output_section::do_print_to_mapfile): New function.
7757         (Output_segment::print_sections_to_mapfile): New function.
7758         (Output_segment::print_section_list_to_mapfile): New function.
7759         * output.h: Include "mapfile.h".
7760         (Output_data::print_to_mapfile): New function.
7761         (Output_data::do_print_to_mapfile): New virtual function.
7762         (Output_segment_headers::do_print_to_mapfile): New function.
7763         (Output_file_header::do_print_to_mapfile): New function.
7764         (Output_data_const::do_print_to_mapfile): New function.
7765         (class Output_data_const_buffer): Add map_name_ field.  Update
7766         constructor.  Change all callers.  Add do_print_to_mapfile
7767         function.
7768         (class Output_data_fixed_space): Likewise.
7769         (class Output_data_space): Likewise.
7770         (class Output_data_zero_fill): New class.
7771         (Output_data_strtab::do_print_to_mapfile): New function.
7772         (Output_data_reloc_base::do_print_to_mapfile): New function.
7773         (Output_relocatable_relocs::do_print_to_mapfile): New function.
7774         (Output_data_group::do_print_to_mapfile): New function.
7775         (Output_data_got::do_print_to_mapfile): New function.
7776         (Output_data_dynamic::do_print_to_mapfile): New function.
7777         (Output_symtab_xindex::do_print_to_mapfile): New function.
7778         (class Output_section): Declare do_print_to_mapflie.  Declare
7779         print_to_mapfile in Input_section.
7780         (class Output_segment): Declare new functions.
7781         * object.h (Sized_relobj::symbol_count): New function.
7782         * script-sections.cc
7783         (Output_section_element_dot_assignment::set_section_addresses):
7784         Change Output_data_fixed_space to Output_data_zero_fill.
7785         (Output_data_expression::do_print_to_mapfile): New function.
7786         * script.cc (read_input_script): Add mapfile parameter.  Change
7787         all callers.
7788         * script.h (read_input_script): Update declaration.
7789         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
7790         (Eh_frame::do_print_to_mapfile): New function.
7791         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
7792         (Output_merge_string::do_print_to_mapfile): New function.
7793         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
7794         function.
7795         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
7796         function.
7797         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
7798         function.
7799         * Makefile.am (CCFILES): Add mapfile.cc.
7800         (HFILES): Add mapfile.h.
7801         * Makefile.in: Rebuild.
7802
7803 2008-05-19  Ian Lance Taylor  <iant@google.com>
7804
7805         * options.h (class General_options): Add -z relro.
7806         * layout.cc (Layout::Layout): Initialize relro_segment_.
7807         (Layout::add_output_section_data): Return the output section.
7808         (Layout::make_output_section): Rcognize relro sections and mark
7809         them appropriately.
7810         (Layout::attach_allocated_section_to_segment): Put relro sections
7811         in a PT_GNU_RELRO segment.
7812         (Layout::create_initial_dynamic_sections): Mark the .dynamic
7813         section as relro.
7814         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
7815         PT_TLS segments.
7816         (Layout::linkonce_mapping): Map d.rel.ro.local to
7817         .data.rel.ro.local.
7818         (Layout::output_section_name): Us .data.rel.ro.local for any
7819         section which begins with that.
7820         * layout.h (class Layout): Update add_output_section_data
7821         declaration.  Add relro_segment_ field.
7822         * output.cc (Output_section::Output_section): Initialize is_relro_
7823         and is_relro_local_ fields.
7824         (Output_segment::add_output_section): Group relro sections.
7825         (Output_segment::is_first_section_relro): New function.
7826         (Output_segment::maximum_alignment): If there is a relro section,
7827         align the segment to the common page size.
7828         (Output_segment::set_section_addresses): Track whether we are
7829         looking at relro sections.  If the last section is a relro
7830         section, align to the common page size.
7831         (Output_segment::set_section_list_addresses): Add in_relro
7832         parameter.  Change all callers.  Align to the page size when
7833         moving from relro to non-relro section.
7834         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
7835         segment.
7836         * output.h (class Output_section): Add is_relro_ and
7837         is_relro_local_ fields.
7838         (Output_section::is_relro): New function.
7839         (Output_section::set_is_relro): New function.
7840         (Output_section::is_relro_local): New function.
7841         (Output_section::set_is_relro_local): New function.
7842         (class Output_segment): Update declarations.
7843         * i386.cc (Target_i386::got_section): Mark .got section as relro.
7844         * sparc.cc (Target_sparc::got_section): Likewise.
7845         * x86_64.cc (Target_x86_64::got_section): Likewise.
7846         * testsuite/relro_test_main.cc: New file.
7847         * testsuite/relro_test.cc: New file.
7848         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
7849         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
7850         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
7851         (relro_test.so, relro_test_pic.o): New targets.
7852         * testsuite/Makefile.in: Rebuild.
7853
7854 2008-05-16  Ian Lance Taylor  <iant@google.com>
7855
7856         * output.cc (Output_segment::add_output_section): Remove front
7857         parameter.
7858         * output.h (class Output_segment): Remove
7859         add_initial_output_section and overloaded add_output_section.
7860         Update declaration of remaining add_output_section.
7861         * layout.cc (Layout::create_interp): Call add_output_section
7862         rather than add_initial_output_section.
7863         (Layout::finish_dynamic_section): Likewise.
7864
7865         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
7866         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
7867         know the dynamic type.
7868         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
7869         field.  Initialize it in constructor.
7870         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
7871         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
7872         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
7873         reloc.
7874
7875         * output.cc (Output_reloc::get_address): Change return type to
7876         Elf_Addr.
7877         * output.h (class Output_reloc): Update get_address declaration.
7878         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
7879         for section addresses.
7880
7881 2008-05-09  Ian Lance Taylor  <iant@google.com>
7882
7883         PR 6493
7884         * gold.cc (gold_nomem): Use return value of write.
7885
7886 2008-05-08  Ian Lance Taylor  <iant@google.com>
7887
7888         * symtab.c (Symbol::init_base_output_data): Add version
7889         parameter.  Change all callers.
7890         (Symbol::init_base_output_segment): Likewise.
7891         (Symbol::init_base_constant): Likewise.
7892         (Symbol::init_base_undefined): Likewise.
7893         (Sized_symbol::init_output_data): Likewise.
7894         (Sized_symbol::init_output_segment): Likewise.
7895         (Sized_symbol::init_constant): Likewise.
7896         (Sized_symbol::init_undefined): Likewise.
7897         (Symbol_table::do_define_in_output_data): If the new symbol has a
7898         version, mark it as the default.
7899         (Symbol_table::do_define_in_output_segment): Likewise.
7900         (Symbol_table::do_define_as_constant): Likewise.
7901         * symtab.h (class Symbol): Update declarations.
7902         (class Sized_symbol): Likewise.
7903         * resolve.cc (Symbol::override_version): New function.
7904         (Symbol::override_base): Call override_version.
7905         (Symbol::override_base_with_special): Likewise.
7906         * testsuite/ver_script_8.script: New file.
7907         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
7908         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
7909         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
7910         (ver_test_8_1.so, ver_test_8_2.so): New targets.
7911
7912 2008-05-06  Ian Lance Taylor  <iant@google.com>
7913
7914         PR 6049
7915         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
7916         functions.
7917         (class General_options): Remove existing --undefined, and add
7918         --no-undefined instead.  Add new --undefined as synonym for -u.
7919         * archive.cc (Archive::add_symbols): Check whether symbol was
7920         named with -u.
7921         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
7922         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
7923         all uses.  Add IS_UNDEFINED.  Update declarations to split
7924         different versions of init_base.  Declare init_base_undefined.
7925         (Symbol::is_defined): Handle IS_UNDEFINED.
7926         (Symbol::is_undefined): Likewise.
7927         (Symbol::is_weak_undefined): Call is_undefined.
7928         (Symbol::is_absolute): Handle IS_CONSTANT.
7929         (class Sized_symbol): Update declarations to split different
7930         versions of init.  Declare init_undefined.
7931         (class Symbol_table): Declare new functions.
7932         * symtab.cc (Symbol::init_base_object): Rename from init_base.
7933         Change all callers.
7934         (Symbol::init_base_output_data): Likewise.
7935         (Symbol::init_base_output_segment): Likewise.
7936         (Symbol::init_base_constant): Likewise.
7937         (Symbol::init_base_undefined): New function.
7938         (Sized_symbol::init_object): Rename from init.  Change all
7939         callers.
7940         (Sized_symbol::init_output_data): Likewise.
7941         (Sized_symbol::init_output_segment): Likewise.
7942         (Sized_symbol::init_constant): Likewise.
7943         (Sized_symbol::init_undefined): New function.
7944         (Symbol_table::add_undefined_symbols_from_command_line): New
7945         function.
7946         (Symbol_table::do_add_undefined_symbols_from_command_line): New
7947         function.
7948         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
7949         (Symbol::output_section): Likewise.
7950         (Symbol::set_output_section): Likewise.
7951         (Symbol_table::sized_finalize_symbol): Likewise.
7952         (Symbol_table::sized_write_globals): Likewise.
7953         * resolve.cc (Symbol_table::should_override): Likewise.
7954         (Symbol::override_base_with_special): Likewise.
7955
7956         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
7957         symbol, change it to have default visibility.
7958         * testsuite/protected_1.cc: New file.
7959         * testsuite/protected_2.cc: New file.
7960         * testsuite/protected_3.cc: New file.
7961         * testsuite/protected_main_1.cc: New file.
7962         * testsuite/protected_main_2.cc: New file.
7963         * testsuite/protected_main_3.cc: New file.
7964         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
7965         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
7966         (protected_1_LDFLAGS, protected_1_LDADD): Define.
7967         (protected_1.so): New target.
7968         (protected_1_pic.o, protected_2_pic.o): New targets.
7969         (protected_3_pic.o): New target.
7970         (check_PROGRAMS): Add protected_2.
7971         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
7972         (protected_2_LDFLAGS, protected_2_LDADD): Define.
7973         * testsuite/Makefile.in: Rebuild.
7974
7975         * options.h (DEFINE_var): Add set_user_set_##varname__.
7976         (DEFINE_bool_alias): New macro.
7977         (class General_options): Define -Bstatic using DEFINE_bool_alias
7978         rather than DEFINE_special.  Add --undefined as an alias for -z
7979         defs.
7980         * options.cc (General_options::parse_Bstatic): Remove.
7981
7982         * options.h (class General_options): Add --fatal-warnings.
7983         * main.cc (main): Implement --fatal-warnings.
7984         * errors.h (Errors::warning_count): New function.
7985
7986         * options.h (class General_options): Add -Bsymbolic-functions.
7987         * symtab.h (Symbol::is_preemptible): Check for
7988         -Bsymbolic-functions.
7989
7990 2008-05-05  Ian Lance Taylor  <iant@google.com>
7991
7992         * options.h (DEFINE_bool): For DASH_Z, create the negative option
7993         as noVARNAME rather than no-VARNAME.
7994         (class General_options): Add option -z combreloc.
7995         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
7996         get_address.
7997         (Output_reloc::sort_before) [SHT_REL]: New function.
7998         (Output_reloc::sort_before) [SHT_RELA]: New function.
7999         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
8000         Sort_relocs_comparison.
8001         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
8002         parameter.  Change all callers.
8003         (Output_data_reloc::Output_data_reloc) [both versions]: Add
8004         sort_relocs parameter.  Change all callers.
8005         * output.cc (Output_reloc::get_address): New function, broken out
8006         of write_rel.
8007         (Output_reloc::write_rel): Call it.
8008         (Output_reloc::compare): New function.
8009         (Output_data_reloc_base::do_write): Optionally sort relocs.
8010
8011         * configure.ac: If targ_extra_obj is set, link it in.
8012         * configure.tgt: Initialize all variables.
8013         (x86_64*): Set targ_extra_obj and targ_extra_size.
8014         * configure: Rebuild.
8015
8016         * object.cc (Sized_relobj::include_section_group): Adjust section
8017         indexes read from group data.  Build vector to pass to
8018         layout_group.
8019         * layout.cc (Layout::layout_group): Add flags and shndxes
8020         parameters.  Remove contents parameter.  Change caller.  Update
8021         explicit instantiations.
8022         * layout.h (class Layout): Update layout_group declaration.
8023         * output.cc (Output_data_group::Output_data_group): Add flags and
8024         input_shndxes parameters.  Remove contents parameter.  Change
8025         caller.
8026         (Output_data_group::do_write): Change input_sections_ to
8027         input_shndxes_.
8028         * output.h (class Output_data_group): Update constructor
8029         declaration.  Rename input_sections_ to input_shndxes_.
8030         * testsuite/many_sections_test.cc: Add template.
8031
8032 2008-04-30  Cary Coutant  <ccoutant@google.com>
8033
8034         * target-reloc.h (relocate_section): Fix dead-pointer bug.
8035
8036         * layout.cc (Layout::include_section): Refactored check for debug
8037         info section.
8038         (Layout::add_comdat): Add new parameters.  Change type
8039         of signature parameter.  Add object and shndx to signatures table.
8040         (Layout::find_kept_object): New function.
8041         * layout.h: Include <cstring>.
8042         (Layout::is_debug_info_section): New function.
8043         (Layout::add_comdat): Add new parameters.
8044         (Layout::find_kept_object): New function.
8045         (Layout::Kept_section): New struct.
8046         (Layout::Signatures): Change type of map range.
8047         * object.cc (Relobj::output_section_address): New function.
8048         (Sized_relobj::include_section_group): Add new parameters.  Change
8049         calls to Layout::add_comdat.  Change to build table of kept comdat
8050         groups and table mapping discarded sections to kept sections.
8051         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
8052         (Sized_relobj::do_layout): Change calls to include_section_group and
8053         include_linkonce_section.
8054         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
8055         value to zero when section is discarded.
8056         (Sized_relobj::map_to_kept_section): New function.
8057         * object.h (Relobj::output_section_address): New function.
8058         (Relobj::Comdat_group): New type.
8059         (Relobj::find_comdat_group): New function.
8060         (Relobj::Comdat_group_table): New type.
8061         (Relobj::Kept_comdat_section): New type.
8062         (Relobj::Kept_comdat_section_table): New type.
8063         (Relobj::add_comdat_group): New function.
8064         (Relobj::set_kept_comdat_section): New function.
8065         (Relobj::get_kept_comdat_section): New function.
8066         (Relobj::comdat_groups_): New field.
8067         (Relobj::kept_comdat_sections_): New field.
8068         (Symbol_value::input_value): Update comment.
8069         (Sized_relobj::map_to_kept_section) New function.
8070         (Sized_relobj::include_linkonce_section): Add new parameter.
8071         * target-reloc.h (Comdat_behavior): New type.
8072         (get_comdat_behavior): New function.
8073         (relocate_section): Add code to map a discarded section to the
8074         corresponding kept section when applying a relocation.
8075
8076 2008-04-30  Craig Silverstein  <csilvers@google.com>
8077
8078         * dwarf_reader.cc (next_generation_count): New static var.
8079         (Addr2line_cache_entry): New struct.
8080         (addr2line_cache): New static var.
8081         (Dwarf_line_info::one_addr2line): Added caching.
8082         (Dwarf_line_info::clear_addr2line_cache): New function.
8083         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
8084         cache-size parameter.
8085         (Dwarf_line_info::one_addr2line_cache): New function.
8086         * symtab.cc (Symbol_table::detect_odr_violations): Pass
8087         new cache-size argument to one_addr2line(), and clear cache.
8088
8089 2008-04-28  Cary Coutant  <ccoutant@google.com>
8090
8091         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
8092         R_386_PC8 relocations.
8093
8094 2008-04-23  Ian Lance Taylor  <iant@google.com>
8095
8096         * object.cc (Sized_relobj::include_section_group): Check for
8097         invalid section group.
8098
8099         * object.cc (make_elf_object): Correct test for 64-bit ELF file
8100         header size.
8101
8102         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
8103         than read for file header.
8104         * archive.cc (Archive::include_member): Likewise.
8105
8106 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
8107
8108         * aclocal.m4: Regenerate.
8109         * configure: Regenerate.
8110
8111 2008-04-19  Ian Lance Taylor  <iant@google.com>
8112
8113         * version.cc (version_string): Bump to 1.6.
8114
8115         * testsuite/Makefile.am (many_sections_r_test): New target.
8116         (many_sections_r_test_SOURCES): Remove.
8117         (many_sections_r_test_DEPENDENCIES): Remove.
8118         (many_sections_r_test_LDFLAGS): Remove.
8119         (many_sections_r_test_LDADD): Remove.
8120
8121         * object.cc (Sized_relobj::do_add_symbols): Always pass
8122         local_symbol_count_ to add_from_relobj.
8123
8124         * testsuite/Makefile.am (many_sections_check.h): Only check one in
8125         every thousand variables.
8126         * testsuite/Makefile.in: Rebuild.
8127
8128         * object.cc (Xindex::initialize_symtab_xindex): New function.
8129         (Xindex::read_symtab_xindex): New function.
8130         (Xindex::sym_xindex_to_shndx): New function.
8131         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
8132         available.
8133         (Sized_relobj::do_initialize_xindex): New function.
8134         (Sized_relobj::do_read_symbols): Adjust section links.
8135         (Sized_relobj::symbol_section_and_value): Add is_ordinary
8136         parameter.  Change all callers.
8137         (Sized_relobj::include_section_group): Adjust section links and
8138         symbol section indexes.
8139         (Sized_relobj::do_layout): Adjust section links.
8140         (Sized_relobj::do_count_local_symbols): Adjust section links and
8141         symbol section indexes.
8142         (Sized_relobj::do_finalize_local_symbols): Distinguish between
8143         ordinary and special symbols.
8144         (Sized_relobj::write_local_symbols): Add symtab_xindex and
8145         dynsym_xindex parameters.  Change all callers.  Adjust section
8146         links.  Use SHN_XINDEX when needed.
8147         (Sized_relobj::get_symbol_location_info): Adjust section links.
8148         Don't get fooled by special symbols.
8149         * object.h (class Xindex): Define.
8150         (class Object): Add xindex_ parameter.  Declare virtual functoin
8151         do_initialize_xindex.
8152         (Object::adjust_sym_shndx): New function.
8153         (Object::set_xindex): New protected function.
8154         (class Symbol_value): Add is_ordinary_shndx_ field.
8155         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
8156         (Symbol_value::value): Assert ordinary section.
8157         (Symbol_value::initialize_input_to_output_map): Likewise.
8158         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
8159         Change all callers.
8160         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
8161         all callers.
8162         (class Sized_relobj): Update declarations.
8163         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
8164         parameter.  Change all callers.
8165         (Sized_relobj::adjust_shndx): New function.
8166         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
8167         field.
8168         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
8169         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
8170         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
8171         (Sized_dynobj::read_dynsym_section): Adjust section links.
8172         (Sized_dynobj::read_dynamic): Likewise.
8173         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
8174         section links.
8175         (Sized_dynobj::do_initialize_xindex): New function.
8176         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
8177         do_initialize_xindex.
8178         (Sized_dynobj::adjust_shndx): New function.
8179         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
8180         dynsym_xindex_ fields.
8181         (Layout::finalize): Add a call to set_section_indexes before
8182         creating the symtab sections.
8183         (Layout::set_section_indexes): Don't do anything if the section
8184         already has a section index.
8185         (Layout::create_symtab_sections): Add shnum parameter.  Change
8186         caller.  Create .symtab_shndx section if needed.
8187         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
8188         caller.
8189         (Layout::allocated_output_section_count): New function.
8190         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
8191         needed.
8192         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
8193         fields.  Update declarations.
8194         (Layout::symtab_xindex): New function.
8195         (Layout::dynsym_xindex): New function.
8196         (class Write_symbols_task): Add layout_ field.
8197         (Write_symbols_task::Write_symbols_task): Add layout parameter.
8198         Change caller.
8199         * output.cc (Output_section_headers::Output_section_headers): Add
8200         shstrtab_section parameter.  Change all callers.
8201         (Output_section_headers::do_sized_write): Store overflow values
8202         for section count and section string table section index in
8203         section header zero.
8204         (Output_file_header::do_sized_write): Check for overflow of
8205         section count and section string table section index.
8206         (Output_symtab_xindex::do_write): New function.
8207         (Output_symtab_xindex::endian_do_write): New function.
8208         * output.h (class Output_section_headers): Add shstrtab_section_.
8209         Update declarations.
8210         (class Output_symtab_xindex): Define.
8211         (Output_section::has_out_shndx): New function.
8212         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
8213         field.
8214         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
8215         Change all callers.
8216         (Sized_symbol::init): Likewise.
8217         (Symbol::output_section): Check for ordinary symbol.
8218         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
8219         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
8220         callers.
8221         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
8222         Change all callers.  Simplify handling of symbols from sections
8223         not included in the link.
8224         (Symbol_table::add_from_dynobj): Handle ordinary symbol
8225         distinction.
8226         (Weak_alias_sorter::operator()): Assert that symbols are
8227         ordinary.
8228         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
8229         distinction.
8230         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
8231         parameters.  Change all callers.
8232         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
8233         symbol distinction.  Use SHN_XINDEX when needed.
8234         (Symbol_table::write_section_symbol): Add symtab_xindex
8235         parameter.  Change all callers.
8236         (Symbol_table::sized_write_section_symbol): Likewise.  Use
8237         SHN_XINDEX when needed.
8238         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
8239         declarations.
8240         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
8241         (Symbol::is_defined): Check is_ordinary.
8242         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
8243         (Symbol::is_absolute, Symbol::is_common): Likewise.
8244         (class Sized_symbol): Update declarations.
8245         (class Symbol_table): Update declarations.
8246         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
8247         parameters.  Change all callers.
8248         (Sized_symbol::override): Likewise.
8249         (Symbol_table::override): Likewise.
8250         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
8251         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
8252         is_ordinary, and orig_st_shndx parameters.  Change all callers.
8253         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
8254         to be in an ordinary section.
8255         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
8256         object and is_ordinary parameters.  Change all callers.
8257         (Sized_dwarf_line_info::read_relocs): Add object parameter.
8258         Change all callers.  Don't add undefined or non-ordinary symbols
8259         to reloc_map_.
8260         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
8261         Change all callers.
8262         * dwarf_reader.h (class Sized_dwarf_line_info): Update
8263         declarations.
8264         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
8265         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
8266         (Sized_relobj::relocate_sections): Likewise.
8267         * target-reloc.h (scan_relocs): Adjust section symbol index.
8268         (scan_relocatable_relocs): Likewise.
8269         * i386.cc (Scan::local): Check for ordinary symbols.
8270         * sparc.cc (Scan::local): Likewise.
8271         * x86_64.cc (Scan::local): Likewise.
8272         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
8273         to symbol_section_and_value.
8274         * testsuite/many_sections_test.cc: New file.
8275         * testsuite/Makefile.am (BUILT_SOURCES): Define.
8276         (check_PROGRAMS): Add many_sections_test.
8277         (many_sections_test_SOURCES): Define.
8278         (many_sections_test_DEPENDENCIES): Define.
8279         (many_sections_test_LDFLAGS): Define.
8280         (BUILT_SOURCES): Add many_sections_define.h.
8281         (many_sections_define.h): New target.
8282         (BUILT_SOURCES): Add many_sections_check.h.
8283         (many_sections_check.h): New target.
8284         (check_PROGRAMS): Add many_sections_r_test.
8285         (many_sections_r_test_SOURCES): Define.
8286         (many_sections_r_test_DEPENDENCIES): Define.
8287         (many_sections_r_test_LDFLAGS): Define.
8288         (many_sections_r_test_LDADD): Define.
8289         (many_sections_r_test.o): New target.
8290         * testsuite/Makefile.in: Rebuild.
8291
8292 2008-04-17  Cary Coutant  <ccoutant@google.com>
8293
8294         * errors.cc (Errors::info): New function.
8295         (gold_info): New function.
8296         * errors.h (Errors::info): New function.
8297         * gold.h (gold_info): New function.
8298         * object.cc (Input_objects::add_object): Print trace output.
8299         * options.cc (options::parse_set): New function.
8300         (General_options::parse_wrap): Deleted.
8301         (General_options::General_options): Deleted initializer.
8302         * options.h (options::String_set): New typedef.
8303         (options::parse_set): New function.
8304         (DEFINE_set): New macro.
8305         (General_options::wrap): Changed to use DEFINE_set. Changed
8306         callers of any_wrap_symbols and is_wrap_symbol.
8307         (General_options::trace, General_options::trace_symbol):
8308         New options.
8309         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
8310         (General_options::wrap_symbols_): Deleted.
8311         * symtab.cc (Symbol_table::add_from_object): Print trace output.
8312
8313 2008-04-17  David S. Miller  <davem@davemloft.net>
8314
8315         * options.cc (General_options::parse_V): New function.
8316         * options.h: Add entries for -V and -Qy.
8317
8318 2008-04-17  Ian Lance Taylor  <iant@google.com>
8319
8320         * common.cc (Symbol_table::allocate_commons): Remove options
8321         parameter.  Change caller.
8322         (Symbol_table::do_allocate_commons): Remove options parameter.
8323         Change caller.  Just call do_allocate_commons_list twice.
8324         (Symbol_table::do_allocate_commons_list): New function, broken out
8325         of do_allocate_commons.
8326         * common.h (class Allocate_commons_task): Remove options_ field.
8327         Update constructor.
8328         * symtab.cc (Symbol_table::Symbol_table): Initialize
8329         tls_commons_.
8330         (Symbol_table::add_from_object): Put TLS common symbols on
8331         tls_commons_ list.
8332         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
8333         which are IN_OUTPUT_DATA.
8334         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
8335         allocate_commons and do_allocate_commons declarations.  Declare
8336         do_allocate_commons_list.
8337         * gold.cc (queue_middle_tasks): Update creation of
8338         Allocate_commons_task to not pass options.
8339         * testsuite/Makefile.am (INCLUDES): Add -I.. .
8340         (TLS_TEST_C_FLAGS): New variable.
8341         (tls_test_c_pic.o): New target.
8342         (tls_test_shared.so): Link in tls_test_c_pic.o.
8343         (tls_test_c_pic_ie.o): New target.
8344         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
8345         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
8346         (tls_test_c.o): New target.
8347         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
8348         (tls_pic_test_LDADD): Likewise.
8349         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
8350         (tls_shared_gd_to_ie_test_LDADD): Likewise.
8351         (tls_test_c_gnu2.o): New target.
8352         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
8353         tls_test_c_gnu2.o.
8354         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
8355         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
8356         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
8357         * testsuite/tls_test.cc: Include "config.h".
8358         (t_last): Call t11_last.
8359         * testsuite/tls_test.h (t11, t11_last): Declare.
8360         * testsuite/tls_test_c.c: New file.
8361         * testsuite/tls_test_main.cc (thread_routine): Call t11.
8362         * configure.ac: Check for OpenMP support.
8363         * configure, config.in, Makefile.in: Rebuild.
8364         * testsuite/Makefile.in: Rebuild.
8365
8366 2008-04-16  Cary Coutant  <ccoutant@google.com>
8367
8368         * i386.cc (Target_i386::define_tls_base_symbol): New function.
8369         (Target_i386::tls_base_symbol_defined_): New field.
8370         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
8371         (Target_i386::Scan::global): Likewise.
8372         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
8373         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
8374         (Target_x86_64::tls_base_symbol_defined_): New field.
8375         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
8376         (Target_x86_64::Scan::global): Likewise.
8377
8378 2008-04-16  Cary Coutant  <ccoutant@google.com>
8379
8380         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
8381         (Symbol::needs_plt_entry): Allow weak undefined symbols.
8382         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
8383         building shared libraries.
8384         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
8385         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
8386         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
8387         * testsuite/Makefile.in: Rebuild.
8388         * testsuite/weak_undef.h: New file.
8389         * testsuite/weak_undef_file1.cc: Add extra test cases.
8390         * testsuite/weak_undef_file2.cc: Likewise.
8391         * testsuite/weak_undef_test.cc: Likewise.
8392
8393 2008-04-16  David S. Miller  <davem@davemloft.net>
8394
8395         * sparc.cc (Target_sparc::Scan): Change from struct to class.
8396         Add issued_non_pic_error_ field.  Declare check_non_pic.
8397         (Target_sparc::Scan::check_non_pic): New function.
8398         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
8399         (Target_sparc::Scan::global): Likewise.
8400
8401         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
8402         * configure: Rebuild.
8403
8404         * options.h (DEFINE_enable): New macro.
8405         (new_dtags): New enable option.
8406         (initfirst, interpose, loadfltr, nodefaultlib,
8407         nodelete, nodlopen, nodump): New -z options.
8408         * layout.cc (Layout:finish_dynamic_section): If new
8409         dtags enabled, emit DT_RUNPATH.  Also, emit a
8410         DT_FLAGS_1 containing any specified -z flags.
8411
8412 2008-04-16  Ian Lance Taylor  <iant@google.com>
8413
8414         * copy-relocs.cc: New file.
8415         * copy-relocs.h: New file.
8416         * reloc.cc: Remove Copy_relocs code.
8417         * reloc.h: Likewise.
8418         * reloc-types.h (struct Reloc_types) [both versions]: Add
8419         get_reloc_addend_noerror.
8420         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
8421         variants of add_global which take an addend which must be zero.
8422         * i386.cc: Include "copy-relocs.h".
8423         (class Target_i386): Change type of copy_relocs_ to variable,
8424         update initializer.
8425         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
8426         Change all callers.
8427         (Target_i386::do_finalize_sections): Change handling of
8428         copy_relocs_.
8429         * sparc.cc: Include "copy-relocs.h".
8430         (class Target_sparc): Change type of copy_relocs_ to variable,
8431         update initializer.
8432         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
8433         Change all callers.
8434         (Target_sparc::do_finalize_sections): Change handling of
8435         copy_relocs_.
8436         * x86_64.cc: Include "copy-relocs.h".
8437         (class Target_x86_64): Change type of copy_relocs_ to variable,
8438         update initializer.
8439         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
8440         class.  Change all callers.
8441         (Target_x86_64::do_finalize_sections): Change handling of
8442         copy_relocs_.
8443         * Makefile.am (CCFILES): Add copy-relocs.cc.
8444         (HFILES): Add copy-relocs.h.
8445
8446         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
8447
8448         * testsuite/script_test_4.sh: Permit leading zeroes.
8449
8450 2008-04-15  Ian Lance Taylor  <iant@google.com>
8451
8452         * script-sections.cc (Script_sections::create_segments): Use
8453         header_size_adjustment even when there is enough room for the
8454         headers.
8455         * testsuite/script_test_4.sh: New file.
8456         * testsuite/script_test_4.t: New file.
8457         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
8458         (check_DATA): Add script_test_4.stdout.
8459         (MOSTLYCLEANFILES): Likewise.
8460         (script_test_4): New target.
8461         (script_test_4.stdout): New target.
8462         * testsuite/Makefile.in: Rebuild.
8463
8464         * sparc.cc: Add definitions for Output_data_plt_sparc class
8465         constants.
8466
8467 2008-04-14  David S. Miller  <davem@davemloft.net>
8468
8469         * sparc.cc: New file.
8470         * Makefile.am (TARGETSOURCES): Add sparc.cc
8471         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
8472         * configure.tgt: Document targ_extra_size and
8473         targ_extra_big_endian.  Add entries for sparc-* and
8474         sparc64-*.
8475         * configure.ac: Handle targ_extra_size and
8476         targ_extra_big_endian.
8477         * Makefile.in: Rebuild.
8478         * configure: Likewise.
8479         * po/POTFILES.in: Likewise.
8480         * po/gold.pot: Likewise.
8481
8482 2008-04-14  Ian Lance Taylor  <iant@google.com>
8483
8484         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
8485         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
8486         in the name/type/flags to section mapping.  Don't call
8487         allocate_output_section.
8488         (Layout::choose_output_section): Change parameter from adjust_name
8489         to is_input_section.  Don't permit input sections after sections
8490         are attached to segments.  Don't call allocate_output_section.
8491         (Layout::layout_eh_frame): Call update_flags_for_input_section,
8492         not write_enable_output_section.
8493         (Layout::make_output_section): Don't push to
8494         unattached_section_list_ nor call attach_to_segment.  Call
8495         attach_section_to_segment if sections are attached.
8496         (Layout::attach_sections_to_segments): New function.
8497         (Layout::attach_section_to_segment): New function.
8498         (Layout::attach_allocated_section_to_segment): Rename from
8499         attach_to_segment.  Remove flags parameter.
8500         (Layout::allocate_output_section): Remove function.
8501         (Layout::write_enable_output_section): Remove function.
8502         * layout.h (class Layout): Update for above changes.  Add new
8503         field sections_are_attached_.
8504         * output.h (Output_section::update_flags_for_input_section): New
8505         function.
8506         * output.cc (Output_section::add_input_section): Call
8507         update_flags_for_input_section.
8508         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
8509
8510 2008-04-11  Cary Coutant  <ccoutant@google.com>
8511
8512         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
8513         thought unnecessary.
8514         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
8515
8516 2008-04-11  Ian Lance Taylor  <iant@google.com>
8517
8518         * output.h (class Output_section_data): Remove inline definition
8519         of set_addralign.
8520         * output.cc (Output_section_data::set_addralign): New function.
8521
8522 2008-04-11  Cary Coutant  <ccoutant@google.com>
8523
8524         Add support for TLS descriptors for i386 and x86_64.
8525         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
8526         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
8527         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
8528         GOT_TYPE_TLS_DESC.
8529         (Target_i386::got_mod_index_entry): Remove unnecessary code.
8530         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
8531         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
8532         relocations.
8533         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
8534         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
8535         Fix problem with initial-exec relocations.
8536         (Target_i386::Relocate::relocate_tls): Likewise.
8537         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
8538         relaxation.
8539         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
8540         support for section-plus-offset dynamic table entries.
8541         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
8542         (Output_data_dynamic::Dynamic_entry): Add support for
8543         section-plus-offset dynamic table entries.
8544         (Output_data_dynamic::Classification): Likewise.
8545         (Output_data_dynamic::classification_): Renamed offset_.
8546         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
8547         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
8548         (Target_x86_64::make_plt_section): New function.
8549         (Target_x86_64::reserve_tlsdesc_entries): New function.
8550         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
8551         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
8552         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
8553         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
8554         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
8555         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
8556         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
8557         add extra PLT entry for TLS descriptors.
8558         (Output_data_plt_x86_64::got_): New field.
8559         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
8560         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
8561         fields.
8562         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
8563         descriptors.
8564         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
8565         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
8566         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
8567         R_386_TLS_DESC_CALL relocations.
8568         (Target_x86_64::Scan::global): Likewise.
8569         (Target_x86_64::do_finalize_sections): Add dynamic table entries
8570         for TLS descriptors.
8571         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
8572         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
8573         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
8574         GD-to-IE relaxation.
8575         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
8576         and TLS_DESCRIPTORS.
8577         * Makefile.in: Rebuild.
8578         * configure: Rebuild.
8579         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
8580         (tls_test_shared2.so): New target.
8581         (tls_shared_gd_to_ie_test_SOURCES): New variable.
8582         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
8583         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
8584         (tls_shared_gd_to_ie_test_LDADD): New variable.
8585         (tls_shared_gnu2_gd_to_ie_test): New target.
8586         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
8587         New targets.
8588         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
8589         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
8590         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
8591         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
8592         (tls_shared_gnu2_test): New target.
8593         (tls_test_gnu2_shared.so): New target.
8594         (tls_shared_gnu2_test_SOURCES): New variable.
8595         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
8596         (tls_shared_gnu2_test_LDFLAGS): New variable.
8597         (tls_shared_gnu2_test_LDADD): New variable.
8598         * testsuite/Makefile.in: Rebuild.
8599         * testsuite/Makefile.
8600
8601 2008-04-11  Ian Lance Taylor  <iant@google.com>
8602
8603         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
8604         justsyms.t.
8605         * testsuite/Makefile.in: Rebuild.
8606
8607         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
8608         long.
8609         * testsuite/script_test_2.cc (main): Adjust test.
8610
8611 2008-04-11  David S. Miller  <davem@davemloft.net>
8612             Ian Lance Taylor  <iant@google.com>
8613
8614         * options.h (General_options): Add entries for '-Y' and
8615         '-relax'.
8616         * options.cc (General_options:finalize): If -Y was used, add those
8617         entries to the library path instead of the default "/lib" and
8618         "/usr/lib".
8619
8620 2008-04-11  David S. Miller  <davem@davemloft.net>
8621
8622         * testsuite/justsyms.t: Start at 0x100.
8623         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
8624         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
8625         long.
8626         * testsuite/script_test_2.cc: Adjust string and section length
8627         checks.
8628
8629 2008-04-09  Ian Lance Taylor  <iant@google.com>
8630
8631         PR gold/5996
8632         * script-sections.cc (Sections_element::allocate_to_segment): Add
8633         orphan parameter.
8634         (Output_section_definition::allocate_to_segment): Likewise.
8635         (Orphan_output_section::allocate_to_segment): Likewise.
8636         (Script_sections::attach_sections_using_phdrs_clause): Don't
8637         propagate non-PT_LOAD segments to orphan sections.
8638         * testsuite/Makefile.am (script_test_3.stdout): Generate using
8639         readelf rather than objdump.
8640         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
8641         .interp section and PT_INTERP segment are the same size.
8642         * testsuite/Makefile.in: Rebuild.
8643
8644         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
8645         aliases for symbols defined in the same object.
8646         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
8647         (weak_alias_test_SOURCES): New variable.
8648         (weak_alias_test_DEPENDENCIES): New variable.
8649         (weak_alias_test_LDFLAGS): New variable.
8650         (weak_alias_test_LDADD): New variable.
8651         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
8652         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
8653         (weak_alias_test_3.o): New target.
8654         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
8655         * testsuite/weak_alias_test_main.cc: New file.
8656         * testsuite/weak_alias_test_1.cc: New file.
8657         * testsuite/weak_alias_test_2.cc: New file.
8658         * testsuite/weak_alias_test_3.cc: New file.
8659
8660 2008-04-08  Ian Lance Taylor  <iant@google.com>
8661
8662         * options.h (class General_options): Add --noinhibit-exec option.
8663         * main.cc (main): Check --noinhibit-exec.
8664
8665         * options.h (class General_options): Define --wrap as a special
8666         option.  Add wrap_symbols_ field.
8667         (General_options::any_wrap_symbols): New function.
8668         (General_options::is_wrap_symbol): New function.
8669         * options.cc (General_options::parse_wrap): New function.
8670         (General_options::General_options): Initialize wrap_symbols_.
8671         * symtab.cc (Symbol_table::wrap_symbol): New function.
8672         (Symbol_table::add_from_object): Handle --wrap.
8673         * symtab.h (class Symbol_table): Declare wrap_symbol.
8674         * target.h (Target::wrap_char): New function.
8675         (Target::Target_info): Add wrap_char field.
8676         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
8677         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
8678         * testsuite/testfile.cc (Target_test::test_target_info):
8679         Likewise.
8680
8681         * errors.cc (Errors::undefined_symbol): Mention symbol version if
8682         there is one.
8683
8684         * layout.h (class Layout): Add added_eh_frame_data_ field.
8685         * layout.cc (Layout::Layout): Initialize new field.
8686         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
8687         output section until we find a section we merged successfully.
8688         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
8689         that the size be non-zero.
8690
8691         * merge.cc (Object_merge_map::get_output_offset): Remove inline
8692         qualifier.
8693
8694 2008-04-08  Craig Silverstein  <csilvers@google.com>
8695
8696         * configure.ac: Export new conditional variable HAVE_ZLIB.
8697         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
8698         on HAVE_ZLIB.
8699         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
8700         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
8701
8702 2008-04-07  Ian Lance Taylor  <iant@google.com>
8703
8704         * version.cc (version_string): Set to "1.5".
8705
8706         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
8707         Add issued_non_pic_error_ field.  Declare check_non_pic.
8708         (Target_x86_64::Scan::check_non_pic): New function.
8709         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
8710         (Target_x86_64::Scan::global): Likewise.
8711
8712         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
8713         addend parameter.  Change caller.  Handle merge sections.
8714         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
8715         Address to Addend.  Don't add in the result of
8716         local_section_offset, pass down the addend and use the returned
8717         value.
8718         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
8719         Update declarations of local_section_offset and symbol_value.
8720         * testsuite/two_file_test_1.cc (t18): New function.
8721         * testsuite/two_file_test_2.cc (f18): New function.
8722         * testsuite/two_file_test_main.cc (main): Call t18.
8723         * testsuite/two_file_test.h (t18, f18): Declare.
8724
8725         * configure.ac: Don't test for objdump, c++filt, or readelf.
8726         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
8727         conditionals.
8728         (TEST_READELF): New variable.
8729         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
8730         (check_PROGRAMS): Add two_file_strip_test.
8731         (two_file_strip_test): New target.
8732         (check_PROGRAMS): Add two_file_same_shared_strip_test.
8733         (two_file_same_shared_strip_test_SOURCES): New variable.
8734         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
8735         (two_file_same_shared_strip_test_LDFLAGS): New variable.
8736         (two_file_same_shared_strip_test_LDADD): New variable.
8737         (two_file_shared_strip.so): New target.
8738         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
8739         (ver_test_5.syms, ver_test_7.syms): Likewise.
8740         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
8741         (strip_test_3.stdout): Use TEST_OBJDUMP.
8742         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
8743
8744 2008-04-04  Cary Coutant  <ccoutant@google.com>
8745
8746         * symtab.h (Symbol::is_weak_undefined): New function.
8747         (Symbol::is_strong_undefined): New function.
8748         (Symbol::is_absolute): New function.
8749         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
8750         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
8751         absolute symbols.
8752         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
8753         (weak_undef_test): New target.
8754         * testsuite/Makefile.in: Rebuild.
8755         * testsuite/weak_undef_file1.cc: New file.
8756         * testsuite/weak_undef_file2.cc: New file.
8757         * testsuite/weak_undef_test.cc: New file.
8758
8759 2008-04-03  Craig Silverstein  <csilvers@google.com>
8760
8761         * compressed_output.h (class Output_compressed_section): Use
8762         unsigned buffer.
8763         * compressed_output.cc (zlib_compress): Use unsigned buffers,
8764         add zlib header.
8765         (zlib_compressed_suffix): Removed.
8766         (Output_compressed_section::set_final_data_size): Use unsigned
8767         buffers.
8768         * testsuite/Makefile.am (flagstest_compress_debug_sections):
8769         Fix linker invocation.
8770         (flagstest_o_specialfile_and_compress_debug_sections):
8771         Likewise.
8772         * testsuite/Makefile.in: Regenerated.
8773
8774 2008-04-02  David S. Miller  <davem@davemloft.net>
8775
8776         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
8777         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
8778
8779 2008-04-02  Craig Silverstein  <csilvers@google.com>
8780
8781         * TODO: New file.
8782
8783 2008-04-02  Ian Lance Taylor  <iant@google.com>
8784
8785         * fileread.cc (File_read::find_view): Add byteshift and vshifted
8786         parameters.  Update for new key type to views_.  Change all
8787         callers.
8788         (File_read::read): Adjust for byteshift in returned view.
8789         (File_read::add_view): New function, broken out of
8790         find_and_make_view.
8791         (File_read::make_view): New function, broken out of
8792         find_and_make_view.
8793         (File_read::find_or_make_view): Add offset and aligned
8794         parameters.  Rewrite accordingly.  Change all callers.
8795         (File_read::get_view): Add offset and aligned parameters.  Adjust
8796         for byteshift in return value.
8797         (File_read::get_lasting_view): Likewise.
8798         * fileread.h (class File_read): Update declarations.
8799         (class File_read::View): Add byteshift_ field.  Add byteshift to
8800         constructor.  Add byteshift method.
8801         * archive.h (Archive::clear_uncached_views): New function.
8802         (Archive::get_view): Add aligned parameter.  Change all callers.
8803         * object.h (Object::get_view): Add aligned parameter.  Change all
8804         callers.
8805         (Object::get_lasting_view): Likewise.
8806
8807         * fileread.cc (File_read::release): Don't call clear_views if
8808         there are multiple objects.
8809         * fileread.h (File_read::clear_uncached_views): New function.
8810         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
8811         on the archive.
8812
8813 2008-03-31  Cary Coutant  <ccoutant@google.com>
8814
8815         Add thin archive support.
8816         * archive.cc (Archive::armagt): New const.
8817         (Archive::setup): Remove task parameter and calls to unlock.
8818         (Archive::unlock_nested_archives): New function.
8819         (Archive::read_header): Add nested_off parameter. Change
8820         all callers.
8821         (Archive::interpret_header): Likewise.
8822         (Archive::include_all_members): Change to handle thin
8823         archives.
8824         (Archive::include_member): Likewise.
8825         * archive.h (Archive::Archive): Add new parameters and
8826         initializers.
8827         (Archive::armagt): New const.
8828         (Archive::setup): Remove task parameter.
8829         (Archive::unlock_nested_archives): New function.
8830         (Archive::read_header): Add nested_off parameter.
8831         (Archive::interpret_header): Likewise.
8832         (Archive::Nested_archive_table): New typedef.
8833         (Archive::is_thin_archive_): New field.
8834         (Archive::nested_archives_): New field.
8835         (Archive::options_): New field.
8836         (Archive::dirpath_): New field.
8837         (Archive::task_): New field.
8838         * readsyms.cc (Read_symbols::do_read_symbols): Add check
8839         for thin archives.  Pass additional parameters to
8840         Archive::Archive.  Unlock the archive file after calling
8841         Archive::setup.
8842
8843 2008-03-29  Ian Lance Taylor  <iant@google.com>
8844
8845         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
8846         version symbol to be local.
8847         * testsuite/ver_test_4.sh: New file.
8848         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
8849         (check_DATA): Add ver_test_4.syms.
8850         (ver_test_4.syms): New target.
8851         * testsuite/Makefile.in: Rebuild.
8852
8853         * output.cc
8854         (Output_section::Input_section_sort_entry::has_priority): New
8855         function.
8856         (Output_section::Input_section_sort_entry::match_file_name): New
8857         function.
8858         (Output_section::Input_section_sort_entry::match_section_name):
8859         Remove.
8860         (Output_section::Input_section_sort_entry::match_section_name_prefix):
8861         Remove.
8862         (Output_section::Input_section_sort_entry::match_section_file):
8863         Remove.
8864         (Output_section::Input_section_sort_compare::operator()): Rewrite
8865         using new Input_section_sort_entry functions.  Sort crtbegin and
8866         crtend first.  Sort sections with no priority before sections with
8867         a priority.
8868         * testsuite/initpri1.c (d3): Check j != 4.
8869         (cd5): New constructor/destructor function.
8870         (main): Check j != 2.
8871
8872         * symtab.cc (Symbol_table::add_from_object): If we don't use the
8873         new symbol when resolving, don't call set_is_default.
8874         * testsuite/ver_test_7.cc: New file.
8875         * testsuite/ver_test_7.sh: New file.
8876         * testsuite/Makefile.am (ver_test_7.so): New target.
8877         (ver_test_7.o): New target.
8878         (check_SCRIPTS): Add ver_test_7.sh.
8879         (check_DATA): Add ver_test_7.syms.
8880         (ver_test_7.syms): New target.
8881
8882 2008-03-28  Ian Lance Taylor  <iant@google.com>
8883
8884         * layout.cc (Layout::layout): If we see an input section with a
8885         name that needs sorting, set the must_sort flag for the output
8886         section.
8887         (Layout::make_output_section): If the name of the output section
8888         indicates that it might require sorting, set the may_sort flag.
8889         * output.h (Output_section::may_sort_attached_input_sections): New
8890         function.
8891         (Output_section::set_may_sort_attached_input_sections): New
8892         function.
8893         (Output_section::must_sort_attached_input_sections): New
8894         function.
8895         (Output_section::set_must_sort_attached_input_sections): New
8896         function.
8897         (class Output_section): Declare Input_section_sort_entry.  Define
8898         Input_section_sort_compare.  Declare
8899         sort_attached_input_sections.  Add new fields:
8900         may_sort_attached_input_sections_,
8901         must_sort_attached_input_sections_,
8902         attached_input_sections_are_sorted_.
8903         * output.cc (Output_section::Output_section): Initialize new
8904         fields.
8905         (Output_section::add_input_section): Add an entry to
8906         input_sections_ if may_sort or must_sort are true.
8907         (Output_section::set_final_data_size): Call
8908         sort_attached_input_sections if necessary.
8909         (Output_section::Input_section_sort_entry): Define new class.
8910         (Output_section::Input_section_sort_compare::operator()): New
8911         function.
8912         (Output_section::sort_attached_input_sections): New function.
8913         * configure.ac: Check whether the compiler supports constructor
8914         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
8915         * testsuite/initpri1.c: New file.
8916         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
8917         CONSTRUCTOR_PRIORITY.
8918         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
8919         (initpri1_LDFLAGS): New variable.
8920         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
8921
8922 2008-03-27  Ian Lance Taylor  <iant@google.com>
8923
8924         * common.cc (Sort_commons::operator): Correct sorting algorithm.
8925         * testsuite/common_test_1.c: New file.
8926         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
8927         (common_test_1_SOURCES): New variable.
8928         (common_test_1_DEPENDENCIES): New variable.
8929         (common_test_1_LDFLAGS): New variable.
8930
8931         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
8932         and commons_ correctly when NAME/VERSION does not override
8933         NAME/NULL.
8934         * testsuite/ver_test_6.c: New file.
8935         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
8936         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
8937         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
8938
8939 2008-03-26  Ian Lance Taylor  <iant@google.com>
8940
8941         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
8942         of an undefined symbol from a version script.
8943         * testsuite/Makefile.am (ver_test_5.so): New target.
8944         (ver_test_5.o): New target.
8945         (check_SCRIPTS): Add ver_test_5.sh.
8946         (check_DATA): Add ver_test_5.syms.
8947         (ver_test_5.syms): New target.
8948         * testsuite/ver_test_5.cc: New file.
8949         * testsuite/ver_test_5.script: New file.
8950         * testsuite/ver_test_5.sh: New file.
8951         * Makefile.in, testsuite/Makefile.in: Rebuild.
8952
8953         PR gold/5986
8954         Fix problems building gold with gcc 4.3.0.
8955         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
8956         (gold_error_at_location, gold_warning_at_location): Use it.
8957         * configure.ac: Check whether we can compile and use a template
8958         function with a printf attribute.
8959         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
8960         when jumping over bytes.
8961         * object.cc: Instantiate Object::read_section_data.
8962         * debug.h: Include <cstring>
8963         * dwarf_reader.cc: Include <algorithm>
8964         * main.cc: Include <cstring>.
8965         * options.cc: Include <cstring>.
8966         * output.cc: Include <cstring>.
8967         * script.cc: Include <cstring>.
8968         * script.h: Include <string>.
8969         * symtab.cc: Include <cstring> and <algorithm>.
8970         * target-select.cc: Include <cstring>.
8971         * version.cc: Include <string>.
8972         * testsuite/testmain.cc: Include <cstdlib>.
8973         * configure, config.in: Rebuild.
8974
8975 2008-03-25  Ian Lance Taylor  <iant@google.com>
8976
8977         * options.cc: Include "../bfd/bfdver.h".
8978         (options::help): Print bug reporting address.
8979
8980         * version.cc (print_version): Adjust output for current value of
8981         BFD_VERSION_STRING.
8982
8983         * NEWS: New file.
8984
8985         * options.cc (options::help): Print list of supported targets.
8986         * target-select.h: Include <vector>.
8987         (class Target_selector): Make machine_, size_, and is_big_endian_
8988         fields const.  Add bfd_name_ and instantiated_target_ fields.
8989         (Target_selector::Target_selector): Add bfd_name parameter.
8990         (Target_selector::recognize): Make non-virtual, call
8991         do_recognize.
8992         (Target_selector::recognize_by_name): Make non-virtual, call
8993         do_recognize_by_name.
8994         (Target_selector::supported_names): New function.
8995         (Target_selector::bfd_name): New function.
8996         (Target_selector::do_instantiate_target): New pure virtual
8997         function.
8998         (Target_selector::do_recognize): New virtual function.
8999         (Target_selector::do_recognize_by_name): New virtual function.
9000         (Target_selector::instantiate_target): New private function.
9001         (supported_target_names): Declare.
9002         * target-select.cc (Target_selector::Target_selector): Update for
9003         new parameter and fields.
9004         (select_target_by_name): Check that the name matches before
9005         calling recognize_by_name.
9006         (supported_target_names): New function.
9007         * i386.cc (class Target_selector_i386): Update Target_selector
9008         constructor call.  Remove recognize and recognize_by_name.  Add
9009         do_instantiate_target.
9010         * x86_64.cc (class Target_selector_x86_64): Likewise.
9011         * testsuite/testfile.cc (class Target_selector_test): Update for
9012         changes to Target_selector.
9013
9014         * README: Rewrite, with some notes on unsupported features.
9015
9016 2008-03-24  Cary Coutant  <ccoutant@google.com>
9017
9018         * i386.cc (Target_i386::Got_type): New enum declaration.
9019         (Target_i386::Scan::local): Updated callers of Output_data_got
9020         member functions.
9021         (Target_i386::Scan::global): Likewise.
9022         (Target_i386::Relocate::relocate): Likewise.
9023         (Target_i386::Relocate::relocate_tls): Likewise.
9024         * object.h (Got_offset_list): New class.
9025         (Sized_relobj::local_has_got_offset): Added got_type parameter.
9026         (Sized_relobj::local_got_offset): Likewise.
9027         (Sized_relobj::set_local_got_offset): Likewise.
9028         (Sized_relobj::local_has_tls_got_offset): Removed.
9029         (Sized_relobj::local_tls_got_offset): Removed.
9030         (Sized_relobj::set_local_tls_got_offset): Removed.
9031         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
9032         * output.cc (Output_data_got::add_global): Added got_type parameter.
9033         (Output_data_got::add_global_with_rel): Likewise.
9034         (Output_data_got::add_global_with_rela): Likewise.
9035         (Output_data_got::add_global_pair_with_rel): New function.
9036         (Output_data_got::add_global_pair_with_rela): New function.
9037         (Output_data_got::add_local): Added got_type parameter.
9038         (Output_data_got::add_local_with_rel): Likewise.
9039         (Output_data_got::add_local_with_rela): Likewise.
9040         (Output_data_got::add_local_pair_with_rel): New function.
9041         (Output_data_got::add_local_pair_with_rela): New function.
9042         (Output_data_got::add_global_tls): Removed.
9043         (Output_data_got::add_global_tls_with_rel): Removed.
9044         (Output_data_got::add_global_tls_with_rela): Removed.
9045         (Output_data_got::add_local_tls): Removed.
9046         (Output_data_got::add_local_tls_with_rel): Removed.
9047         (Output_data_got::add_local_tls_with_rela): Removed.
9048         * output.h (Output_data_got::add_global): Added got_type parameter.
9049         (Output_data_got::add_global_with_rel): Likewise.
9050         (Output_data_got::add_global_with_rela): Likewise.
9051         (Output_data_got::add_global_pair_with_rel): New function.
9052         (Output_data_got::add_global_pair_with_rela): New function.
9053         (Output_data_got::add_local): Added got_type parameter.
9054         (Output_data_got::add_local_with_rel): Likewise.
9055         (Output_data_got::add_local_with_rela): Likewise.
9056         (Output_data_got::add_local_pair_with_rel): New function.
9057         (Output_data_got::add_local_pair_with_rela): New function.
9058         (Output_data_got::add_global_tls): Removed.
9059         (Output_data_got::add_global_tls_with_rel): Removed.
9060         (Output_data_got::add_global_tls_with_rela): Removed.
9061         (Output_data_got::add_local_tls): Removed.
9062         (Output_data_got::add_local_tls_with_rel): Removed.
9063         (Output_data_got::add_local_tls_with_rela): Removed.
9064         * resolve.cc (Symbol::override_base_with_special): Removed
9065         reference to has_got_offset_ field.
9066         * symtab.cc (Symbol::init_fields): Replaced initialization
9067         of got_offset_ with got_offsets_.  Removed initialization
9068         of has_got_offset_
9069         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
9070         (Symbol::got_offset): Likewise.
9071         (Symbol::set_got_offset): Likewise.
9072         (Symbol::has_tls_got_offset): Removed.
9073         (Symbol::tls_got_offset): Removed.
9074         (Symbol::set_tls_got_offset): Removed.
9075         (Symbol::got_offset_): Removed.
9076         (Symbol::tls_mod_got_offset_): Removed.
9077         (Symbol::tls_pair_got_offset_): Removed.
9078         (Symbol::got_offsets_): New field.
9079         (Symbol::has_got_offset): Removed.
9080         (Symbol::has_tls_mod_got_offset): Removed.
9081         (Symbol::has_tls_pair_got_offset): Removed.
9082         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
9083         (Target_x86_64::Scan::local): Updated callers of Output_data_got
9084         member functions.
9085         (Target_x86_64::Scan::global): Likewise.
9086         (Target_x86_64::Relocate::relocate): Likewise.
9087         (Target_x86_64::Relocate::relocate_tls): Likewise.
9088
9089 2008-03-25  Ben Elliston  <bje@au.ibm.com>
9090
9091         * yyscript.y: Fix spelling error in comment.
9092
9093 2008-03-24  Ian Lance Taylor  <iant@google.com>
9094
9095         * options.h (class General_options): Define build_id option.
9096         * layout.h (class Layout): Declare write_build_id, create_note,
9097         create_build_id.  Add build_id_note_ member.
9098         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
9099         "libiberty.h", "md5.h", "sha1.h".
9100         (Layout::Layout): Initialize eh_frame_data_,
9101         eh_frame_hdr_section_, and build_id_note_.
9102         (Layout::finalize): Call create_build_id.
9103         (Layout::create_note): New function, broken out of
9104         Layout::create_gold_note.
9105         (Layout::create_gold_note): Call create_note.
9106         (Layout::create_build_id): New function.
9107         (Layout::write_build_id): New function.
9108         (Close_task_runner::run): Call write_build_id.
9109
9110         * x86_64.cc: Correct license to GPLv3.
9111
9112 2008-03-23  Ian Lance Taylor  <iant@google.com>
9113
9114         * options.cc: Include "demangle.h".
9115         (parse_optional_string): New function.
9116         (parse_long_option): Handle takes_optional_argument.
9117         (parse_short_option): Update dash_z initializer.  Handle
9118         takes_optional_argument.
9119         (General_options::General_options): Initialize do_demangle_.
9120         (General_options::finalize): Set do_demangle_.  Handle demangling
9121         style.
9122         * options.h (parse_optional_string): Declare.
9123         (struct One_option): Add optional_arg field.  Update constructor.
9124         Update call constructor calls.  Add takes_optional_argument
9125         function.
9126         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
9127         (DEFINE_optional_string): Define.
9128         (General_options::demangle): Change from DEFINE_bool to
9129         DEFINE_optional_string.
9130         (General_options::no_demangle): New function.
9131         (General_options::do_demangle): New function.
9132         (General_options::set_do_demangle): New function.
9133         (General_options::execstack_status_): Move definition to end of
9134         class definition.
9135         (General_options::static_): Likewise.
9136         (General_options::do_demangle_): New field.
9137         * object.cc (big_endian>::get_symbol_location_info): Call
9138         Options::do_demangle, not Options::demangle.
9139         * symtab.cc (demangle): Likewise.
9140
9141 2008-03-22  Ian Lance Taylor  <iant@google.com>
9142
9143         * gold.h: Include <cstddef> and <sys/types.h>
9144         * options.h: Include <cstring>.
9145
9146 2008-03-21  Ian Lance Taylor  <iant@google.com>
9147
9148         * Added source code to GNU binutils.