gold/
[external/binutils.git] / gold / ChangeLog
1 2012-10-23  Cary Coutant  <ccoutant@google.com>
2
3         * fileread.cc (Input_file::Input_file): New constructor.
4         * fileread.h (class Input_file): Add new constructor.
5
6 2012-10-18  Alan Modra  <amodra@gmail.com>
7
8         PR gold/14727
9         * object.cc (Relobj::is_section_name_included): Also match
10         .sdata personality section.
11
12 2012-10-18  Alan Modra  <amodra@gmail.com>
13
14         * target-reloc.h (class Default_comdat_behavior): New, package up..
15         (get_comdat_behaviour): ..this.
16         (relocate_section): Add Relocate_comdat_behavior template arg,
17         adjust code to suit.
18         * arm.cc (Target_arm::relocate_section): Adjust to suit.
19         (Target_arm::scan_reloc_section): Likewise.
20         * i386.cc (Target_i386::relocate_section): Likewise.
21         * sparc.cc (Target_sparc::relocate_section): Likewise.
22         * tilegx.cc (Target_tilegx::relocate_section): Likewise.
23         * x86_64.cc (Target_x86_64::relocate_section): Likewise.
24         * powerpc.cc (class Relocate_comdat_behavior): New.
25         (Target_powerpc::relocate_section): Don't zap opd relocs.  Supply
26         gold::relocate_section with new template arg.
27
28 2012-10-18  Alan Modra  <amodra@gmail.com>
29
30         * powerpc.cc (Target_powerpc::Scan::local, global): Always emit
31         dynamic relocs for GOT_TPREL got entries, without symbol if
32         resolving locally.
33         (Target_powerpc::do_gc_add_reference): Don't add for dynamic objects.
34         (Target_powerpc::scan_relocs): Define _GLOBAL_OFFSET_TABLE_ early.
35         (Target_powerpc::Relocate:relocate): REL32 reloc may be unaligned.
36
37 2012-10-17  Alan Modra  <amodra@gmail.com>
38
39         PR gold/14726
40         * gold.cc (queue_middle_tasks): Call gc_mark_symbol on _init and _fini.
41
42 2012-10-16  Sriraman Tallam  <tmsriram@google.com>
43
44         * layout.cc (Layout::include_section): Keep sections marked
45         SHF_EXCLUDE when doing relocatable links.
46
47 2012-10-16  Alan Modra  <amodra@gmail.com>
48
49         * powerpc.cc (Target_powerpc::define_save_restore_funcs): New func.
50         (Target_powerpc::do_finalize_sections): Call it.
51         (Output_data_save_res): New class and supporting functions.
52         (Target_powerpc::symval_for_branch): Only look up .opd entry for
53         normal symbols defined in object files.
54
55 2012-10-12  Alan Modra  <amodra@gmail.com>
56
57         * powerpc.cc (Powerpc_relobj::add_gc_mark, process_gc_mark): New.
58         (struct Opd_ent): Make "discard" a bit field.  Add "gc_mark".
59         (Target_powerpc::do_gc_mark_symbol): Delay marking function code
60         section if scan_opd_relocs not yet called.
61         (Target_powerpc::gc_process_relocs): Call process_gc_mark.
62
63 2012-10-12  Alan Modra  <amodra@gmail.com>
64
65         * powerpc.cc (Output_data_plt_powerpc::add_entry, add_ifunc_entry,
66         add_local_ifunc_entry): Revert last change.
67         (Target_powerpc::make_plt_entry, make_local_ifunc_plt_entry): Likewise.
68
69 2012-10-05  Alan Modra  <amodra@gmail.com>
70
71         * powerpc.cc (Target_powerpc::do_plt_address_for_local,
72         do_plt_address_for_global): New functions.
73         (Output_data_got_powerpc::do_write): Don't segfault when linking
74         statically.
75         (Output_data_plt_powerpc::add_entry, add_ifunc_entry,
76         add_local_ifunc_entry): Return true on adding entry..
77         (Target_powerpc::make_plt_entry): ..use to avoid unnecessary
78         glink->add_entry call.  Remove unused symtab param.  Adjust calls.
79         (Target_powerpc::make_local_ifunc_plt_entry): Likewise.
80         (Target_powerpc::make_iplt_section): Remove symtab param.  Don't
81         set up symbols here.
82         (Target_powerpc::do_finalize_sections): Instead set up __rela_iplt
83         syms here.  Do so even when no .iplt.  Don't segfault when linking
84         statically.
85         (Output_data_glink::add_entry, find_entry): Rearrange params.  Add
86         new variants without reloc param.
87         (Glink_sym_ent::Glink_sym_ent): Likewise.
88         (Target_powerpc::Scan::reloc_needs_plt_for_ifunc): Accept any
89         reloc when refs will resolve to plt call stub.
90         (Target_powerpc::Scan::local): Correct ifunc handling.  Allow
91         R_PPC_PLTREL24 to resolve locally.
92         (Target_powerpc::Scan::global): Correct ifunc handling.
93         (Target_powerpc::Relocate::relocate): Correct local sym glink
94         lookup.  Don't destroy "value" when we have a plt call stub,
95         and when checking plt call validity.
96         (Target_powerpc::do_dynsym_value): Simplify.
97
98 2012-10-05  Alan Modra  <amodra@gmail.com>
99
100         * i386.cc (Output_data_plt_i386::address_for_global,
101         address_for_local): Add plt offset to returned value.  Adjust uses.
102         * sparc.cc (Output_data_plt_sparc::address_for_global,
103         address_for_local): Likewise.
104         * tilegx.cc (Output_data_plt_tilegx::address_for_global,
105         address_for_local): Likewise.
106         * x86_64.cc (Output_data_plt_x86_64::address_for_global,
107         address_for_local): Likewise.
108         * target.h (Target::plt_address_for_global, plt_address_for_local):
109         Update comment.
110         * output.cc (Output_reloc::symbol_value): Don't add plt offset here.
111         (Output_data_got::Got_entry::write): Nor here.
112         * output.h: Comment fix.
113
114 2012-10-02  Jiong Wang  <jiwang@tilera.com>
115
116         * tilegx.cc (Target_tilegx::do_finalize_sections): Adjust
117         global_offset_table_ value for larget got.
118         (Target_tilegx::Relocate::relocate): Handle adjusted got value.
119
120 2012-09-29  Alan Modra  <amodra@gmail.com>
121
122         * powerpc.cc (Target_powerpc::iplt_): New output section.
123         (Target_powerpc::iplt_section, make_iplt_section,
124         reloc_needs_plt_for_ifunc, make_local_ifunc_plt_entry): New functions.
125         (Target_powerpc::make_plt_entry): Handle ifunc syms.
126         Target_powerpc::plt_entry_count): Count iplt entries too.
127         (Output_data_plt_powerpc::Output_data_plt_powerpc): Don't create
128         reloc section in constructor.  New params.
129         (Target_powerpc::make_plt_section): Create reloc section here instead.
130         (Output_data_plt_powerpc::add_ifunc_entry, add_local_ifunc_entry): New
131         functions.
132         (Output_data_plt_powerpc::initial_plt_entry_size_, name_): New vars.
133         (Output_data_glink::add_entry, find_entry): New functions to
134         deal with local syms.
135         (Glink_sym_ent): Add support for local syms.
136         (Output_data_glink::do_write): Handle ifunc plt entries.
137         (Target_powerpc::Scan::get_reference_flags): Handle more relocs.
138         (Target_powerpc::Scan::local, global): Handle ifunc syms.
139         (Target_powerpc::Relocate::relocate): Likewise.
140         (Target_powerpc::do_dynsym_value): Use glink stub, not plt entry.
141
142 2012-09-25  Alan Modra  <amodra@gmail.com>
143
144         * object.h (Sized_relobj_file::adjust_local_symbol,
145         do_adjust_local_symbol): New functions.
146         * object.cc (Sized_relobj_file::do_count_local_symbols): Use the above.
147         * powerpc.cc (Powerpc_relobj::do_adjust_local_symbol): New function.
148         (Powerpc_relobj::scan_opd_relocs): Warn on unexpected opd relocs
149         and irregular opd entry spacing.
150         (Powerpc_relobj::do_read_relocs): Add opd size checks.
151         (Global_symbol_visitor_opd): New functor.
152         (Target_powerpc::do_finalize_sections): Omit global symbols defined
153         on deleted opd entries.
154
155 2012-09-15  Jiong Wang  <jiwang@tilera.com>
156
157         * tilegx.cc: New file.
158         * Makefile.am (TARGETSOURCES): Add tilegx.cc
159         (ALL_TARGETOBJS): Add tilegx.$(OBJEXT)
160         * configure.tgt: Add entries for tilegx*.
161         * configure.ac: Likewise.
162         * Makefile.in: Rebuild.
163         * configure: Likewise.
164         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Handle
165         tilegx.
166
167 2012-09-13  Alan Modra  <amodra@gmail.com>
168
169         * target-reloc.h (scan_relocs): Call scan.local for relocs
170         against symbols in discarded sections.  Pass is_discarded
171         param.
172         * arm.cc, * i386.cc, * sparc.cc, * x86_64.cc (Target_*::Scan::local):
173         Add is_discarded param.
174         * powerpc (Target_powerpc::Scan::local): Likewise.  Use
175         is_discarded to flag opd entry as discarded.  Don't emit dyn
176         relocs on such entries.
177         (Target_powerpc::Scan::global): Similarly detect and handle
178         such opd entries.
179         (Powerpc_relobj): Replace opd_ent_shndx_ and opd_ent_off_ with
180         opd_ent_.  Update all uses.
181         (Powerpc_relobj::get_opd_discard, set_opd_discard): New functions.
182         (Target_powerpc::relocate_section): Zero out discarded opd
183         entry relocs.
184
185 2012-09-12  Ian Lance Taylor  <iant@google.com>
186
187         PR gold/14570
188         * output.cc: Rename Output_data_got template parameter from size
189         to got_size for all functions.  Compile all variants of
190         Output_data_got.
191         (Output_data_got::Got_entry::write): Correct use of size for
192         symbol value.  Use local_is_tls rather than casting to
193         Sized_relobj_file.
194         * object.h (class Object): Add local_is_tls and do_local_is_tls.
195         (class Sized_relobj_file): Add do_local_is_tls.
196         * incremental.h (class Sized_relobj_incr): Add do_local_is_tls.
197
198 2012-09-11  Alan Modra  <amodra@gmail.com>
199
200         PR gold/14566
201         * layout.cc (Layout::set_segment_offsets): When using
202         common-page-size alignment, ensure we are on a new max-page-size
203         page.
204         * output.cc (Output_segment::set_section_addresses): Use
205         abi_pagesize, not common_pagesize for relro boundary.
206         (Output_segment::set_offset): Likewise.
207
208 2012-09-11  Alan Modra  <amodra@gmail.com>
209
210         * output.h (Output_data_got::add_global_tls, add_local_tls,
211         add_local_tls_pair): New functions.
212         (Output_data_got::add_local_pair_with_rel): Remove second
213         reloc param.  Expand comment.
214         (Output_data_got::Got_entry): Rename use_plt_offset_ to
215         use_plt_or_tls_offset_, similarly for constructor param.
216         (Output_data_got::Got_entry::write): Add got_index param.
217         * output.cc (Output_data_got::add_global_tls, add_local_tls,
218         add_local_tls_pair): New functions.
219         (Output_data_got::Got_entry::write): Handle tls symbols
220         with use_plt_or_tls_offset_ set specially.
221         (Output_data_got::add_local_pair_with_rel): Only one reloc.
222         (Output_data_got::do_write): Replace iterator with index, pass
223         index to entry write function.
224         * target.h (Target::tls_offset_for_local, tls_offset_for_global,
225         do_tls_offset_for_local, do_tls_offset_for_global): New functions.
226         * arm.cc (Target_arm::Scan::local): Update add_local_pair_with_rel
227         call.
228         * i386.cc (Target_i386::Scan::local): Likewise.
229         * sparc.cc (Target_sparc::Scan::local): Likewise.
230         * x86_64.cc (Target_x86_64::Scan::local): Likewise.
231         * powerpc.cc (Target_powerpc::do_tls_offset_for_local,
232         do_tls_offset_for_global): New functions.
233         (Target_powerpc::Scan::local): Correct TLS relocations and got
234         entry values.
235         (Target_powerpc::Scan::global): Don't emit unnecessary
236         dynamic relocations on TLS GOT entries.
237
238 2012-09-10  Matthias Klose  <doko@ubuntu.com>
239
240         * config.in: Disable sanity check for kfreebsd.
241
242 2012-09-10  Sterling Augustine  <saugustine@google.com>
243
244         * gdb-index.cc (Gdb_index::pubnames_read): New parameter.
245         (Gdb_index::pubtypes_read): New parameter.
246         (Gdb_index_info_reader::read_pubnames_and_pubtypes): Add parameters
247         to calls.
248         * gdb-index.h (Gdb_index): New fields pubnames_object_ and
249         pubtypes_object_.
250
251 2012-09-09  Alan Modra  <amodra@gmail.com>
252
253         * target.h (Target::gc_mark_symbol, do_gc_mark_symbol): New functions.
254         (Sized_target::gc_add_reference, do_gc_add_reference): New functions.
255         * gc.h (gc_process_relocs): Call target gc_add_reference.
256         * gold.cc (queue_middle_tasks): Use gc_mark_symbol on start sym.
257         * symtab.cc (Symbol_table::gc_mark_undef_symbols): Use gc_mark_symbol.
258         (Symbol_table::gc_mark_symbol): Call target gc_mark_symbol. Remove
259         unnecessary cast.
260         * powerpc.cc (Powerpc_relobj::get_opd_ent): Rearrange parameters
261         to cater for when we don't need code offset.  Update use.
262         (Powerpc_relobj::access_from_map_, opd_valid_): New vars.
263         (Powerpc_relobj::access_from_map, add_reference, opd_valid,
264         set_opd_valid): New functions.
265         (Target_powerpc::do_gc_add_reference): New function.
266         (Target_powerpc::gc_process_relocs): Call gc()->add_reference on
267         stashed refs.
268         (Target_powerpc::do_gc_mark_symbol): New function.
269
270 2012-09-06  Cary Coutant  <ccoutant@google.com>
271
272         * dwarf_reader.cc (Dwarf_die::read_attributes): Add
273         DW_FORM_GNU_addr_index and DW_FORM_GNU_str_index.
274         (Dwarf_die::skip_attributes): Likewise.
275         * object.cc (Read_symbols_data::~Read_symbols_data): Update comment.
276         * testsuite/gdb_index_test.cc (inline_func_1): New function.
277         (main): Call it.
278         * testsuite/gdb_index_test_comm.sh: Check index for inline function.
279
280 2012-09-05  H.J. Lu  <hongjiu.lu@intel.com>
281
282         * testsuite/script_test_3.t: Add .got.plt output section
283         statement.
284         * testsuite/script_test_4.t: Likewise.
285
286 2012-09-05  Alan Modra  <amodra@gmail.com>
287
288         * powerpc.cc (Powerpc_relocate_functions): Upcase enum values,
289         update all uses and lose "enum" when using type.
290
291 2012-09-05  Alan Modra  <amodra@gmail.com>
292
293         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): False for powerpc.
294         * configure: Regenerate.
295         * testsuite/Makefile.am (final_layout.stdout): Pass --synthetic to nm.
296         (plugin_final_layout.stdout): Likewise.
297         (memory_test): Set page sizes to 0x1000.
298         * testsuite/Makefile.in: Regenerate.
299         * testsuite/discard_locals_test.sh: Add FIXME comment.
300         * testsuite/justsyms_exec.c: Disable function test for powerpc64.
301         * testsuite/pr14265.t: Add .got output section statement.
302         * testsuite/script_test_2.t: Likewise.
303         * testsuite/script_test_3.t: Likewise.
304         * testsuite/script_test_4.t: Likewise.
305         * testsuite/script_test_5.t: Likewise.
306         * testsuite/script_test_6.t: Likewise.
307         * testsuite/script_test_7.t: Likewise.
308         * testsuite/script_test_9.t: Likewise.
309
310 2012-09-05  Alan Modra  <amodra@gmail.com>
311
312         * powerpc.cc (Powerpc_relobj::get_opd_ent): Make const.
313         (Powerpc_relocate_functions::Status): New typedef.
314         (Target_powerpc::Scan::get_reference_flags): Handle more relocs.
315         (Target_powerpc::Scan::local): Handle REL64.
316         (Target_powerpc::Scan::global): Likewise, and dynamic relocs
317         for REL32 and REL64.
318         (Target_powerpc::symval_for_branch): New function, extracted from..
319         (Target_powerpc::Relocate::relocate): ..here.  Correct plt call
320         checks.  Report overflow errors.
321
322 2012-09-05  Alan Modra  <amodra@gmail.com>
323
324         * object.h (Sized_relobj_file::emit_relocs): Delete.
325         (Sized_relobj_file::emit_relocs_reltype): Delete.
326         * reloc.cc (Sized_relobj_file::do_relocate_sections): Call target
327         relocate_relocs for --emit-relocs.
328         (Sized_relobj_file::emit_relocs, emit_relocs_reltype): Delete.
329         * output.h: Update comment.
330         (Output_segment::first_section): New function.
331         (Output_segment::first_section_load_address): Use first_section.
332         * output.cc (Output_segment::first_section): New function extracted..
333         (Output_segment::first_section_load_address): ..from here.  Delete.
334         * target-reloc.h (relocate_for_relocatable): Rename to relocate_relocs.
335         * target.h (Sized_target::relocate_for_relocatable): Likewise.
336         * arm.cc (Target_arm::relocate_for_relocatable): Likewise, and
337         adjust call to target.h function.
338         * i386.cc (Target_i386): Likewise.
339         * sparc.cc (Target_sparc): Likewise.
340         * x86_64.cc (Target_x86_64): Likewise.
341         * powerpc.cc (Target_powerpc): Likewise.
342         (Target_powerpc::Scan::local, global): Handle R_POWERPC_TLS.  Ensure
343         first tls section has section symbol for optimised local dynamic
344         output relocs.
345         (Target_powerpc::Relocate::relocate): Correct local dynamic value.
346         (Target_powerpc::relocate_relocs): Adjust relocs emitted for
347         optimised tls code.
348         * testsuite/testfile.cc (Target_test::relocate_for_relocatable):
349         Rename to relocate_relocs.  Update error message.
350
351 2012-09-04  Andreas Schwab  <schwab@linux-m68k.org>
352
353         * powerpc.cc (do_make_elf_object): Allow ET_EXEC files with
354         --just-symbols.
355
356 2012-08-31  Alan Modra  <amodra@gmail.com>
357
358         * powerpc.cc (Powerpc_relobj): Add and use Address typedef.
359         (Powerpc_relobj::toc_base_offset): New stub function.
360         (Target_powerpc): Add tp_offset, dtp_offset.  Rename
361         got_mod_index_offset to tlsld_got_offset.  Update all refs.
362         (Target_powerpc::Relocate::enum skip_tls): New.
363         (Target_powerpc::call_tls_get_addr_): New var.
364         (Target_powerpc::is_branch_reloc): Move to file scope.
365         (Target_powerpc::relocate_tls, optimize_tls_reloc): Delete.
366         (Target_powerpc::optimize_tls_gd, optimize_tls_ld, optimize_tls_ie):
367         New functions.
368         (Target_powerpc::enum Got_type): Delete old values, add new ones.
369         (powerpc_info): Correct common_pagesize for ppc64.
370         (at_tls_transform, needs_dynamic_reloc, use_plt_offset): New functions.
371         (Powerpc_relocate_functions): Add overflow check enums and functions.
372         Add non-shift version of rela, rela_ua.  Delete all rel public
373         functions.  Delete addr16_lo.  Add addr64, addr64_u, addr32,
374         addr32_u, addr24, addr16_u, addr16_hi2, addr16_ha2, addr16_hi3,
375         addr16_ha3, addr14 functions.
376         (Output_data_got_powerpc::add_constant_pair): New function.
377         (Output_data_got_powerpc::got_base_offset): Likewise.
378         (Output_data_got_powerpc::do_write): Correct 64-bit got header.
379         (instruction constants): Sort, add some more.
380         (Output_data_glink::do_write): Add and use Address typedef.  Use
381         object->toc_base_offset() stub for 64-bit.
382         (Target_powerpc::tlsld_got_offset): Use add_constant_pair.
383         (Target_powerpc::Scan::get_reference_flags): Handle more relocs.
384         (Target_powerpc::Scan::local, global): Emit relative dynamic reloc
385         for R_PPC64_TOC.  Handle more relocs.  Generate got entries for TLS.
386         Always treat .opd relocs as against locally defined symbol.
387         Correct condition for RELATIVE relocs.
388         (Target_powerpc::do_finalize_sections): Test for NULL sections.
389         (Target_powerpc::Relocate::relocate): Use plt call stub as value
390         for 32-bit syms with a plt entry.  Correct ppc64 toc base
391         calculations.  Handle TLS relocs, and more.  Add overflow
392         checking and adjust for Powerpc_relocate_functions changes.
393         (Target_powerpc::relocate_for_relocatable): Handle zero r_sym.
394         Reinstate --emit-relocs code with FIXME.
395
396 2012-08-30  Alan Modra  <amodra@gmail.com>
397
398         * layout.cc (Layout::set_segment_offsets): Set p_align to
399         abi_pagesize, not common_pagesize.
400         (Layout::relaxation_loop_body): Similarly use abi_pagesize
401         to determine whether file header can go in segment.
402
403 2012-08-30  Alan Modra  <amodra@gmail.com>
404
405         * output.h (Output_reloc::Output_reloc <output section>): Add
406         is_relative param.  Adjust calls.
407         (Output_reloc::add_output_section_relative): New functions.
408         * output.cc (Output_reloc::Output_reloc <output section>): Handle
409         is_relative.
410         (Output_reloc::symbol_value): Handle SECTION_CODE.
411
412 2012-08-24  Sriraman Tallam  <tmsriram@google.com>
413
414         * gold.cc (queue_middle_tasks): Call layout again when unique
415         segments for sections is desired.
416         * layout.cc (Layout::Layout): Initialize new members.
417         (Layout::get_output_section_flags): New function.
418         (Layout::choose_output_section): Call get_output_section_flags.
419         (Layout::layout): Make output section for mapping to a unique segment.
420         (Layout::insert_section_segment_map): New function.
421         (Layout::attach_allocated_section_to_segment): Make unique segment for
422         output sections marked so.
423         (Layout::segment_precedes): Check for unique segments when sorting.
424         * layout.h (Layout::Unique_segment_info): New struct.
425         (Layout::Section_segment_map): New typedef.
426         (Layout::insert_section_segment_map): New function.
427         (Layout::get_output_section_flags): New function.
428         (Layout::is_unique_segment_for_sections_specified): New function.
429         (Layout::set_unique_segment_for_sections_specified): New function.
430         (Layout::unique_segment_for_sections_specified_): New member.
431         (Layout::section_segment_map_): New member.
432         * object.cc (Sized_relobj_file<size, big_endian>::do_layout):
433         Rename is_gc_pass_one to is_pass_one.
434         Rename is_gc_pass_two to is_pass_two.
435         Rename is_gc_or_icf to is_two_pass.
436         Check for which pass based on whether symbols data is present.
437         Make it two pass when unique segments for sections is desired.
438         * output.cc (Output_section::Output_section): Initialize new
439         members.
440         * output.h (Output_section::is_unique_segment): New function.
441         (Output_section::set_is_unique_segment): New function.
442         (Output_section::is_unique_segment_): New member.
443         (Output_section::extra_segment_flags): New function.
444         (Output_section::set_extra_segment_flags): New function.
445         (Output_section::extra_segment_flags_): New member.
446         (Output_section::segment_alignment): New function.
447         (Output_section::set_segment_alignment): New function.
448         (Output_section::segment_alignment_): New member.
449         (Output_segment::Output_segment): Initialize is_unique_segment_.
450         (Output_segment::is_unique_segment): New function.
451         (Output_segment::set_is_unique_segment): New function.
452         (Output_segment::is_unique_segment_): New member.
453         * plugin.cc (allow_unique_segment_for_sections): New function.
454         (unique_segment_for_sections): New function.
455         (Plugin::load): Add new functions to transfer vector.
456         * Makefile.am (plugin_final_layout.readelf.stdout): Add readelf output.
457         * Makefile.in: Regenerate.
458         * testsuite/plugin_final_layout.sh: Check if unique segment
459         functionality works.
460         * testsuite/plugin_section_order.c (onload): Check if new interfaces
461         are available.
462         (allow_unique_segment_for_sections): New global.
463         (unique_segment_for_sections): New global.
464         (claim_file_hook): Call allow_unique_segment_for_sections.
465         (all_symbols_read_hook): Call unique_segment_for_sections.
466
467 2012-08-22  Cary Coutant  <ccoutant@google.com>
468
469         * layout.cc (Layout::include_section): Don't assert on GROUP
470         sections with --emit-relocs.
471
472 2012-08-21  Cary Coutant  <ccoutant@google.com>
473
474         * symtab.cc (Symbol_table::gc_mark_undef_symbols): Don't assert
475         if --export-dynamic-symbol names an undef symbol.
476
477 2012-08-18  Alan Modra  <amodra@gmail.com>
478
479         * powerpc.cc: Formatting and white space.
480         (Powerpc_relobj): Rename got2_section_ to special_.
481         Add opd_ent_shndx_ and opd_ent_off_ vectors.
482         (Powerpc_relobj::opd_shndx, init_opd, get_opd_ent, set_opd_ent,
483         scan_opd_relocs, do_read_relocs, opd_ent_ndx): New functions.
484         (Target_powerpc): Add Address typedef and invalid_address.  Use
485         throughout.
486         (Target_powerpc::is_branch_reloc): New function.
487         (Powerpc_relocate_functions): Add Address typedef, use throughout.
488         (Powerpc_relocate_functions:rela, rela_ua): Correct type used
489         for dst_mask, value and addend.
490         (Powerpc_relobj::do_find_special_sections): Find .opd for 64-bit.
491         (ld_2_1, cror_15_15_15, cror_31_31_31): New insn constants.
492         (Output_data_glink::do_write): Correct toc base.  Don't try to use
493         uint16_t for 24-bit offset.  Use get_output_section_offset and
494         check return.
495         (Target_powerpc::Scan::local): Handle more relocs.
496         (Target_powerpc::do_finalize_sections): Set up DT_PPC64_GLINK.
497         (Target_powerpc::Relocate::relocate): Correct toc base calculation.
498         Plug in toc restoring insn after plt calls.  Translate branches
499         to function descriptor symbols to corresponding entry point.
500         (Target_powerpc::relocate_for_relocatable): Check return from
501         get_output_section_offset.
502         * symtab.h: Comment typo.
503
504 2012-08-14  Ian Lance Taylor  <iant@google.com>
505
506         * x86_64.cc (Target_x86_64::Scan::global): Fix erroneous call to
507         unsupported_relocal_local to call unsupported_reloc_global.
508
509 2012-08-14  Nick Clifton  <nickc@redhat.com>
510
511         PR ld/14265
512         * script-sections.cc (Sections_element::output_section_name): Add
513         keep return parameter.
514         (Output_section_element::match_name): Add keep return parameter.
515         Return the value of the keep_ member.
516         * script-sections.h (class Output_section): Update
517         output_section_name prototype.
518         * layout.cc (Layout::keep_input_section): New public member
519         function.
520         (Layout::choose_output_section): Pass keep parameter to
521         output_section_name.
522         * layout.h (class Layout): Add keep_input_section.
523         * object.cc (Sized_relobj_file::do_layout): Check for kept input
524         sections.
525         * testsuite/Makefile.am: Add a test.
526         * testsuite/Makefile.in: Regenerate.
527         * testsuite/pr14265.c: Source file for the test.
528         * testsuite/pr14265.t: Linker script for the test.
529         * testsuite/pr14265.sh: Shell script for the test.
530
531 2012-08-14  Alan Modra  <amodra@gmail.com>
532
533         * target.h (Target::output_section_name): New function.
534         (Target::do_output_section_name): New function.
535         * layout.cc (Layout::choose_output_section): Call the above.
536         * powerpc.cc (Target_powerpc::do_output_section_name): New function.
537
538 2012-08-14  Alan Modra  <amodra@gmail.com>
539
540         * powerpc.cc: Update for renamed R_PPC_REL16 relocs.
541         (Output_data_got_powerpc::do_write): Don't rely on base class lookup
542         for replace_constant call.
543         (Output_data_plt_powerpc::do_print_to_mapfile): New function.
544         (Output_data_glink::do_print_to_mapfile): New function.
545         (Target_powerpc::Scan::local): Ignore R_PPC64_TOCSAVE.
546         (Target_powerpc::Relocate::relocate): Likewise.
547
548 2012-08-14  Alan Modra  <amodra@gmail.com>
549
550         * powerpc.cc (Powerpc_relobj::set_got2_shndx): Delete.
551         (Powerpc_relobj::do_find_special_sections): Don't use set_got2_shndx.
552         (Output_data_glink::add_entry,find_entry): Remove shndx param.
553         (class Glink_sym_ent): Rename from struct Glink_sym_ent.  Remove
554         all references to shndx_.  Handle special case for R_PPC_PLTREL24
555         here.
556         (class Glink_sym_ent_hash): Rename from struct Glink_sym_ent_hash.
557         (Output_data_glink::do_write): Retrieve got2_shdnx from object.
558         (Target_powerpc::make_plt_entry): Don't special case R_PPC_PLTREL24
559         here.
560         (Target_powerpc::Scan::global): Nor on make_plt_entry call.
561         (Target_powerpc::Relocate::relocate): Nor on glink->find_entry call.
562
563 2012-08-12  Alan Modra  <amodra@gmail.com>
564
565         * powerpc.cc: Whitespace fixes.  Wrap overly long lines.
566         (glink insn constants): Use uint32_t.
567         (Output_data_glink::add_entry): Use insert, not [] operator.
568
569 2012-08-11  Alan Modra  <amodra@gmail.com>
570
571         * object.h (Sized_relobj_file::find_shdr): New function.
572         (Sized_relobj_file::find_special_sections): New function.
573         * object.cc (Sized_relobj_file::find_shdr): New function.
574         (Sized_relobj_file::find_eh_frame): Use find_shdr.
575         (Sized_relobj_file::find_special_sections): New function, split out..
576         (Sized_relobj_file::do_read_symbols): ..from here.
577         * output.h (Output_data_got::replace_constant): New function.
578         (Output_data_got::num_entries): New function.
579         (Output_data_got::last_got_offset,set_got_size): Use num_entries.
580         (Output_data_got::got_offset): Protected rather than private.
581         (Output_data_got::replace_got_entry): New function.
582         * output.cc (Output_data_got::replace_got_entry): New function.
583         * powerpc.cc (class Powerpc_relobj): New.
584         (class Powerpc_relocate_functions): Delete all psymval variants or
585         convert to value,addend type.  Delete pcrela, pcrela_unaligned.
586         Implement _ha functions using corresponding _hi function.
587         (Powerpc_relobj::find_special_sections): New function.
588         (Target_powerpc::do_make_elf_object): New function.
589         (class Output_data_got_powerpc): New.
590         (class Output_data_glink): New.
591         (class Powerpc_scan_relocatable_reloc): New.
592         Many more changes througout file.
593
594 2012-08-09  Nick Clifton  <nickc@redhat.com>
595
596         * po/vi.po: Updated Vietnamese translation.
597
598 2012-08-07  Ian Lance Taylor  <iant@google.com>
599
600         * layout.cc (Layout::add_target_dynamic_tags): If
601         dynrel_includes_plt but no dyn_rel, emit dynamic reloc tags for
602         plt_rel.
603
604 2012-07-30  Nick Clifton  <nickc@redhat.com>
605
606         * po/gold.pot: Updated template.
607         * po/es.po: Updated Spanish translation.
608
609 2012-07-18  Cary Coutant  <ccoutant@google.com>
610
611         PR gold/14344
612         * configure.ac: Add check for -gpubnames support.
613         * configure: Regenerate.
614         * testsuite/Makefile.am (gdb_index_test_1): Add check for -gpubnames
615         support; force -gno-pubnames.
616         (gdb_index_test_2, gdb_index_test_3): Add check for -gpubnames
617         support.
618         (gdb_index_test_4): New test.
619         * testsuite/Makefile.in: Regenerate.
620         * testsuite/gdb_index_test_1.sh: Refactor code into common file.
621         * testsuite/gdb_index_test_2.sh: Likewise.
622         * testsuite/gdb_index_test_3.sh: Don't look for space after colon.
623         * testsuite/gdb_index_test_4.sh: New script.
624         * testsuite/gdb_index_test_comm.sh: New script with common code;
625         don't look for space after colon.
626
627 2012-07-16  Sriraman Tallam  <tmsriram@google.com>
628
629         * gold.cc (queue_middle_tasks): Update function order only after
630         deferred objects due to plugins are processed.
631
632 2012-07-11  Ian Lance Taylor  <iant@google.com>
633
634         * arm.cc (Arm_relocate_functions::abs16): Remove unused typedef.
635         (Arm_exidx_cantunwind::do_fixed_endian_write): Likewise.
636         (Target_arm::scan_reloc_for_stub): Likewise.
637         * common.cc (Symbol_table::do_allocate_commons_list): Likewise.
638         * dwarf_reader.cc (Dwarf_die::skip_attributes): Likewise.
639         * ehframe.cc (Eh_frame::do_add_ehframe_input_section): Likewise.
640         * incremental.cc (Sized_incr_dynobj::do_add_symbols): Likewise.
641         * powerpc.cc (Target_powerpc::relocate_tls): Likewise.
642
643 2012-07-10  Dodji Seketeli  <dodji@redhat.com>
644             Ian Lance Taylor  <iant@google.com>
645
646         PR gold/14309
647         * configure.ac: Test whether std::tr1::hash<off_t> works.
648         * gold.h: Add a specialization for std::tr1::hash<off_t> if
649         needed.
650         * output.h (class Output_fill): Add virtual destructor.
651         * configure, config.in: Rebuild.
652
653 2012-06-22  Roland McGrath  <mcgrathr@google.com>
654
655         * layout.cc (finalize): Define __ehdr_start symbol if applicable.
656
657 2012-06-12  Rafael Ávila de Espíndola <respindola@mozilla.com>
658
659         * plugin.cc (Plugin::load): Handle position independent executables.
660
661 2012-06-06  Cary Coutant  <ccoutant@google.com>
662
663         * layout.cc (gdb_sections): Remove ".debug_" prefixes,
664         add .debug_macro.
665         (lines_only_debug_sections): Likewise.
666         (gdb_fast_lookup_sections): New static array.
667         (is_gdb_debug_section): Rename formal parameter.
668         (is_lines_only_debug_section): Likewise.
669         (is_gdb_fast_lookup_section): New function.
670         (Layout::include_section): Check for ".zdebug_" prefix; pass
671         section name suffix to is_gdb_debug_section, et al.; check for
672         fast-lookup sections when building .gdb_index.
673         * options.h (--strip-debug-gdb): Update GDB version number.
674
675 2012-06-06  Cary Coutant  <ccoutant@google.com>
676
677         * configure.ac: Add check for fallocate.
678         * configure: Regenerate.
679         * config.in: Regenerate.
680
681         * options.h (class General_options): Add --mmap-output-file and
682         --posix-fallocate options.
683         * output.cc: (posix_fallocate): Remove; replace with...
684         (gold_fallocate): New function.
685         (Output_file::map_no_anonymous): Call gold_fallocate.
686         (Output_file::map): Check --mmap-output-file option.
687
688 2012-06-05  Jing Yu  <jingyu@google.com>
689
690         * gold.h (textdomain): Add do {} to empty while(0).
691         (bindtextdomain): Likewise.
692
693 2012-06-04  Cary Coutant  <ccoutant@google.com>
694
695         * dynobj.cc (Sized_dynobj::do_get_global_symbol_counts): Call
696         has_dynsym_index.
697
698 2012-05-25  Sriraman Tallam  <tmsriram@google.com>
699
700         * symtab.cc (Symbol_table::define_special_symbol):
701         Initialize *poldsym to prevent uninitialized variable errors.
702
703 2012-05-23  Cary Coutant  <ccoutant@google.com>
704
705         * layout.cc (Layout::section_name_mapping): Add rules to handle
706         exact match on .data.rel.ro.local or .data.rel.ro.
707         (Layout::output_section_name): Check for exact matches.
708
709 2012-05-23  Cary Coutant  <ccoutant@google.com>
710
711         * layout.cc (Layout::section_name_mapping): Match .data.rel.ro.*
712         more carefully.
713
714 2012-05-22  Cary Coutant  <ccoutant@google.com>
715
716         * symtab.cc (Symbol::should_add_dynsym_entry): Check for relocatable
717         object before exporting symbol.
718
719 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
720
721         * testsuite/tls_test.cc: Include "config.h" first.
722         * testsuite/tls_test_c.c: Likewise.
723
724 2012-05-17  Daniel Richard G.  <skunk@iskunk.org>
725             Nick Clifton  <nickc@redhat.com>
726
727         PR 14072
728         * configure.in: Add check that sysdep.h has been included before
729         any system header files.
730         * configure: Regenerate.
731         * config.in: Regenerate.
732
733 2012-05-14  Cary Coutant  <ccoutant@google.com>
734
735         * layout.cc (Layout::make_output_section): Mark .tdata section
736         as RELRO.
737         * testsuite/relro_test.cc: Add a TLS variable.
738
739 2012-05-10  H.J. Lu  <hongjiu.lu@intel.com>
740
741         PR gold/14091
742         * x86_64.cc (Target_x86_64::Scan::local): For x32, generate
743         R_X86_64_RELATIVE64 instead of R_X86_64_RELATIVE in case of
744         R_X86_64_64.
745
746 2012-05-08  Cary Coutant  <ccoutant@google.com>
747
748         * layout.cc (gdb_sections): Update GDB version, add .debug_addr.
749         (lines_only_debug_sections): Likewise.
750
751 2012-05-02  Roland McGrath  <mcgrathr@google.com>
752
753         * nacl.cc: New file.
754         * nacl.h: New file.
755         * Makefile.am (CCFILES, HFILES): Add them.
756         * Makefile.in: Regenerate.
757         * i386.cc (Output_data_plt_i386_nacl): New class.
758         (Output_data_plt_i386_nacl_exec): New class.
759         (Output_data_plt_i386_nacl_dyn): New class.
760         (Target_i386_nacl): New class.
761         (Target_selector_i386_nacl): New class.
762         (target_selector_i386): Use it instead of Target_selector_i386.
763         * x86_64.cc (Output_data_plt_x86_64_nacl): New class.
764         (Target_x86_64_nacl): New class.
765         (Target_selector_x86_64_nacl): New class.
766         (target_selector_x86_64, target_selector_x32): Use it instead of
767         Target_selector_x86_64.
768         * arm.cc (Output_data_plt_arm_nacl): New class.
769         (Target_arm_nacl): New class.
770         (Target_selector_arm_nacl): New class.
771         (target_selector_arm, target_selector_armbe): Use it instead of
772         Target_selector_arm.
773
774         * target-select.cc (select_target): Take new Input_file* and off_t
775         arguments, pass them on to recognize method of selector.
776         * object.cc (make_elf_sized_object): Update caller.
777         * parameters.cc (parameters_force_valid_target): Likewise.
778         * incremental.cc (make_sized_incremental_binary): Likewise.
779         * target-select.h: Update decl.
780         (Target_selector::recognize): Take new Input_file* argument,
781         pass it on to do_recognize.
782         (Target_selector::do_recognize): Take new Input_file* argument.
783         * freebsd.h (Target_selector_freebsd::do_recognize): Likewise.
784         * powerpc.cc (Target_selector_powerpc::do_recognize): Likewise.
785         * sparc.cc (Target_selector_sparc::do_recognize): Likewise.
786         * testsuite/testfile.cc (Target_selector::do_recognize): Likewise.
787
788         * target.h (Target::Target_info): New members isolate_execinstr
789         and rosegment_gap.
790         (Target::isolate_execinstr, Target::rosegment_gap): New methods.
791         * arm.cc (Target_arm::arm_info): Update initializer.
792         * i386.cc (Target_i386::i386_info): Likewise.
793         * powerpc.cc (Target_powerpc::powerpc_info): Likewise.
794         * sparc.cc (Target_sparc::sparc_info): Likewise.
795         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
796         * testsuite/testfile.cc (Target_test::test_target_info): Likewise.
797         * layout.cc (Layout::attach_allocated_section_to_segment):
798         Take new const Target* argument.  If target->isolate_execinstr(), act
799         like --rosegment.
800         (Layout::find_first_load_seg): Take new const Target* argument;
801         if target->isolate_execinstr(), reject PF_X segments.
802         (Layout::relaxation_loop_body): Update caller.
803         (Layout::set_segment_offsets): If target->isolate_execinstr(),
804         reset file offset to zero when we hit LOAD_SEG, and then do a second
805         loop over the segments before LOAD_SEG to reassign offsets after
806         addresses have been determined.  Handle target->rosegment_gap().
807         (Layout::attach_section_to_segment): Take new const Target* argument;
808         pass it to attach_allocated_section_to_segment.
809         (Layout::make_output_section): Update caller.
810         (Layout::attach_sections_to_segments): Take new const Target* argument;
811         pass it to attach_section_to_segment.
812         * gold.cc (queue_middle_tasks): Update caller.
813         * layout.h (Layout): Update method decls with new arguments.
814
815         * arm.cc (Target_arm::Target_arm): Take optional argument for the
816         Target_info pointer to use.
817         (Target_arm::do_make_data_plt): New virtual method.
818         (Target_arm::make_data_plt): New method that calls it.
819         (Target_arm::make_plt_entry): Use it.
820         (Output_data_plt_arm::Output_data_plt_arm): Take additional argument
821         for the section alignment.
822         (Output_data_plt_arm::do_first_plt_entry_offset): New abstract virtual
823         method.
824         (Output_data_plt_arm::first_plt_entry_offset): Call it.
825         (Output_data_plt_arm::do_get_plt_entry_size): New abstract virtual
826         method.
827         (Output_data_plt_arm::get_plt_entry_size): Call it.
828         (Output_data_plt_arm::do_fill_plt_entry): New abstract virtual method.
829         (Output_data_plt_arm::fill_plt_entry): New method that calls it.
830         (Output_data_plt_arm::do_fill_first_plt_entry): New abstract virtual
831         method.
832         (Output_data_plt_arm::fill_first_plt_entry): New method that calls it.
833         (Output_data_plt_arm::set_final_data_size): Use get_plt_entry_size
834         method instead of sizeof(plt_entry).
835         (Output_data_plt_arm::add_entry): Likewise.
836         Use first_plt_entry_offset method instead of sizeof(first_plt_entry).
837         (Target_arm::first_plt_entry_offset): Call method on this->plt_ rather
838         than static method.
839         (Target_arm::plt_entry_size): Likewise.
840         (Output_data_plt_arm::first_plt_entry, Output_data_plt_arm::plt_entry):
841         Move to ...
842         (Output_data_plt_arm_standard): ... here, new class.
843         (Output_data_plt_arm::do_write): Move guts of PLT filling to...
844         (Output_data_plt_arm_standard::do_fill_first_plt_entry): ... here ...
845         (Output_data_plt_arm_standard::do_fill_plt_entry): ... and here.
846
847         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
848         Take additional argument for the PLT entry size.
849         (Output_data_plt_x86_64::get_tlsdesc_plt_offset):
850         Use get_plt_entry_size method rather than plt_entry_size variable.
851         (Output_data_plt_x86_64::reserve_slot): Likewise.
852         (Output_data_plt_x86_64::do_adjust_output_section): Likewise.
853         (Output_data_plt_x86_64::add_entry): Likewise.
854         (Output_data_plt_x86_64::add_local_ifunc_entry): Likewise.
855         (Output_data_plt_x86_64::address_for_global): Likewise.
856         (Output_data_plt_x86_64::address_for_local): Likewise.
857         (Output_data_plt_x86_64::set_final_data_size): Likewise.
858         (Output_data_plt_x86_64::first_plt_entry_offset): Likewise.
859         Make method non-static.
860         (Output_data_plt_x86_64::do_get_plt_entry_size): New abstract virtual
861         method.
862         (Output_data_plt_x86_64::get_plt_entry_size): Just call that.
863         (Output_data_plt_x86_64::do_add_eh_frame): New abstract virtual method.
864         (Output_data_plt_x86_64::add_eh_frame): New method to call it.
865         (Output_data_plt_x86_64::do_fill_first_plt_entry): New abstract
866         virtual method.
867         (Output_data_plt_x86_64::fill_first_plt_entry): New method to call it.
868         (Output_data_plt_x86_64::do_fill_plt_entry): New abstract
869         virtual method.
870         (Output_data_plt_x86_64::fill_plt_entry): New method to call it.
871         (Output_data_plt_x86_64::do_fill_tlsdesc_entry): New abstract
872         virtual method.
873         (Output_data_plt_x86_64::fill_tlsdesc_entry): New method to call it.
874         (Output_data_plt_x86_64::plt_entry_size)
875         (Output_data_plt_x86_64::first_plt_entry)
876         (Output_data_plt_x86_64::plt_entry)
877         (Output_data_plt_x86_64::tlsdesc_plt_entry)
878         (Output_data_plt_x86_64::plt_eh_frame_fde_size)
879         (Output_data_plt_x86_64::plt_eh_frame_fde): Move to ...
880         (Output_data_plt_x86_64_standard): ... here, new class.
881         (Target_x86_64::Target_x86_64): Take optional argument for the
882         Target_info pointer to use.
883         (Target_x86_64::do_make_data_plt): New virtual method.
884         (Target_x86_64::make_data_plt): New method to call it.
885         (Target_x86_64::init_got_plt_for_update): Use that.
886         Call this->plt_->add_eh_frame method here.
887         (Output_data_plt_x86_64::init): Don't do add_eh_frame_for_plt here.
888         (Target_x86_64::first_plt_entry_offset): Call method on this->plt_
889         rather than static method.
890         (Target_x86_64::plt_entry_size): Likewise.
891         (Output_data_plt_x86_64::do_write): Use get_plt_entry_size method
892         rather than plt_entry_size variable.  Move guts of PLT filling to...
893         (Output_data_plt_x86_64_standard::do_fill_first_plt_entry): ... here ...
894         (Output_data_plt_x86_64_standard::do_fill_plt_entry): ... and here ...
895         (Output_data_plt_x86_64_standard::do_fill_tlsdesc_entry): ... and here.
896
897         * i386.cc (Output_data_plt_i386::Output_data_plt_i386): Take
898         additional argument for the section alignment.
899         Don't do add_eh_frame_for_plt here.
900         (Output_data_plt_i386::first_plt_entry_offset): Make the method
901         non-static.  Use get_plt_entry_size method rather than plt_entry_size
902         variable.
903         (Output_data_plt_i386::do_get_plt_entry_size): New abstract virtual
904         method.
905         (Output_data_plt_i386::get_plt_entry_size): Call it.
906         (Output_data_plt_i386::do_add_eh_frame): New abstract virtual method.
907         (Output_data_plt_i386::add_eh_frame): New method to call it.
908         (Output_data_plt_i386::do_fill_first_plt_entry): New abstract virtual
909         method.
910         (Output_data_plt_i386::fill_first_plt_entry): New method to call it.
911         (Output_data_plt_i386::do_fill_plt_entry): New abstract virtual
912         method.
913         (Output_data_plt_i386::fill_plt_entry): New method to call it.
914         (Output_data_plt_i386::set_final_data_size): Use get_plt_entry_size
915         method instead of plt_entry_size.
916         (Output_data_plt_i386::plt_entry_size)
917         (Output_data_plt_i386::plt_eh_frame_fde_size)
918         (Output_data_plt_i386::plt_eh_frame_fde): Move to ...
919         (Output_data_plt_i386_standard): ... here, new class.
920         (Output_data_plt_i386_exec): New class.
921         (Output_data_plt_i386::exec_first_plt_entry): Move to ...
922         (Output_data_plt_i386_exec::first_plt_entry): ... here.
923         (Output_data_plt_i386::exec_plt_entry): Move to ...
924         (Output_data_plt_i386_exec::plt_entry): ... here.
925         (Output_data_plt_i386_dyn): New class.
926         (Output_data_plt_i386::first_plt_entry): Move to ...
927         (Output_data_plt_i386_dyn::first_plt_entry): ... here.
928         (Output_data_plt_i386::dyn_plt_entry): Move to ...
929         (Output_data_plt_i386_dyn::plt_entry): ... here.
930         (Target_i386::Target_i386): Take optional argument for the Target_info
931         pointer to use.
932         (Target_i386::do_make_data_plt): New virtual method.
933         (Target_i386::make_data_plt): New method to call it.
934         (Target_i386::make_plt_section): Use that.
935         Call this->plt_->add_eh_frame method here.
936         (Output_data_plt_i386::add_entry): Use get_plt_entry_size method
937         rather than plt_entry_size variable.
938         (Output_data_plt_i386::add_local_ifunc_entry): Likewise.
939         (Output_data_plt_i386::address_for_local): Likewise.
940         (Output_data_plt_i386::do_write): Likewise.
941         Move guts of PLT filling to...
942         (Output_data_plt_i386_exec::do_fill_first_plt_entry): ... here ...
943         (Output_data_plt_i386_exec::do_fill_plt_entry): ... and here ...
944         (Output_data_plt_i386_dyn::do_fill_first_plt_entry): ... and here ...
945         (Output_data_plt_i386_dyn::do_fill_plt_entry): ... and here.
946
947 2012-05-01  Cary Coutant  <ccoutant@google.com>
948
949         * dwarf_reader.cc (Dwarf_die::read_attributes)
950         (Dwarf_die::skip_attributes, Dwarf_die::int_attribute)
951         (Dwarf_die::uint_attribute): Remove DW_FORM_null.
952         * reduced_debug_output.cc
953         (Output_reduced_debug_info_section::get_die_end): Remove
954         DW_FORM_GNU_ref_index.  Add default case.
955
956 2012-04-26  Mark Wielaard  <mjw@redhat.com>
957
958         * dwarf_reader.cc (Dwarf_die::address_attribute): New function.
959         * dwarf_reader.h (Dwarf_die::address_attribute): Likewise.
960         * gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Handle
961         DW_AT_high_pc as offset from DW_AT_low_pc.
962
963         * testsuite/Makefile.am (gdb_index_test_3.sh): New test case.
964         * testsuite/Makefile.in: Regenerate.
965         * testsuite/gdb_index_test_3.c: New test source file.
966         * testsuite/gdb_index_test_3.sh: New test source file.
967
968 2012-04-25  Ian Lance Taylor  <iant@google.com>
969
970         * arm.cc (Target_arm::do_is_defined_by_abi): Make sym a const
971         pointer.
972         (Stub_addend_reader::operator()): Declare Arm_relocate_functions
973         as a class, not a struct.
974         (Target_arm::scan_span_for_cortex_a8_erratum): Likewise.
975         (Target_arm::apply_cortex_a8_workaround): Likewise.
976         * gc.h: Declare Reloc_types as a struct, not a class.
977         * object.h: Declare Symbols_data as a struct.
978         * reloc.h: Declare Read_relocs_data as a struct.
979         * target.h: Declare Relocate_info as a struct.
980
981 2012-04-24  David S. Miller  <davem@davemloft.net>
982
983         * sparc.cc (Target_sparc::Relocate::relax_call): New function.
984         (Target_sparc::Relocate::relocate): Call it for R_SPARC_WDISP30
985         and R_SPARC_WPLT30.
986
987 2012-04-24  Cary Coutant  <ccoutant@google.com>
988
989         * incremental-dump.cc (find_input_containing_global): Replace
990         magic number with symbolic constant.
991         (dump_incremental_inputs): Update version number.
992         * incremental.cc (Output_section_incremental_inputs): Update version
993         number; import symbolic constants from Incremental_inputs_reader.
994         (Incremental_inputs::create_data_sections): Align relocations
995         section correctly for 64-bit targets.
996         (Output_section_incremental_inputs::set_final_data_size): Use symbolic
997         constants; add padding.
998         (Output_section_incremental_inputs::write_header): Add assert for
999         header_size.
1000         (Output_section_incremental_inputs::write_input_files): Add assert
1001         for input_entry_size.
1002         (Output_section_incremental_inputs::write_info_blocks): Add padding;
1003         add assert for object_info_size, input_section_entry_size,
1004         global_sym_entry_size.
1005         * incremental.h (Incremental_inputs_reader): Add symbolic constants
1006         for data structure sizes; use them.
1007         (Incremental_input_entry_reader): Import symbolic constants from
1008         Incremental_inputs_reader; use them.
1009
1010 2012-04-23  David S. Miller  <davem@davemloft.net>
1011
1012         * sparc.cc (class Target_sparc): Add elf_machine_, elf_flags_,
1013         and elf_flags_set_.
1014         (Target_sparc::Target_sparc): Initialize new fields.
1015         (Target_sparc::do_make_elf_object): New function.
1016         (Target_sparc::do_adjust_elf_header): New function.
1017
1018 2012-04-23  Cary Coutant  <ccoutant@google.com>
1019
1020         * gdb-index.cc (Gdb_index::do_write): Use Swap_aligned32 for writing
1021         CU range table of gdb index.
1022
1023 2012-04-20  David S. Miller  <davem@davemloft.net>
1024
1025         * target.cc (Sized_target::do_adjust_elf_header): Use big_endian
1026         instead of false.
1027
1028 2012-04-16  David S. Miller  <davem@davemloft.net>
1029
1030         * sparc.cc (Target_sparc::got_address): New function.
1031         (Sparc_relocate_functions::gdop_hix22): New function.
1032         (Sparc_relocate_functions::gdop_lox10): New function.
1033         (Target_sparc::Scan::local): Do not emit a GOT entry for GOTDATA
1034         relocs.
1035         (Target_sparc::Scan::local): Likewise if the global symbol is not
1036         preemptible and is not IFUNC.
1037         (Target_sparc::Relocate::relocate): Perform GOTDATA code
1038         transformations for local and non-preemptible non-IFUNC global
1039         symbols.
1040
1041         * gdb-index.cc (Gdb_index::do_write): Use Swap_unaligned when
1042         writing out 64-bit part of ranges.
1043
1044         * Makefile.am: Build IFUNC tests with -fPIC and -fPIE instead of
1045         -fpic and -fpie respectively.
1046         * Makefile.in: Regenerate.
1047
1048         * sparc.cc (class Target_sparc): Add rela_ifunc_.
1049         (Target_sparc::Target_sparc): Initialize new field.
1050         (Target_sparc::do_plt_section_for_global): New function.
1051         (Target_sparc::do_plt_section_for_local): New function.
1052         (Target_sparc::reloc_needs_plt_for_ifunc): New function.
1053         (Target_sparc::make_plt_section): New function, broken out of
1054         make_plt_entry.  Use ORDER_NON_RELRO_FIRST for ".plt".
1055         (Target_sparc::make_plt_entry): Call make_plt_section.
1056         (Target_sparc::make_local_ifunc_plt_entry): New function.
1057         (Target_sparc::rela_ifunc_section): New function.
1058         (Target_sparc::plt_section): Remove const.
1059         (Output_data_plt_sparc): Update declarations.  Define Global_ifunc
1060         and Local_ifunc types.  Add global_ifuncs_, local_ifuncs_, ifunc_rel_,
1061         and ifunc_count_ fields.
1062         (Output_data_plt_sparc::Output_data_plt_sparc): Initialize new fields.
1063         (Output_data_plt_sparc::add_entry): Handle IFUNC symbols.
1064         (Output_data_plt_sparc::add_local_ifunc_entry): New function.
1065         (Output_data_plt_sparc::rela_ifunc): New function.
1066         (Output_data_plt_sparc::emit_pending_ifunc_relocs): New function.
1067         (Output_data_plt_sparc::has_ifunc_section): New function.
1068         (Output_data_plt_sparc::entry_count): Include ifunc_count_.
1069         (Output_data_plt_sparc::address_for_global): New function.
1070         (Output_data_plt_sparc::address_for_local): New function.
1071         (Output_data_plt_sparc::plt_index_to_offset): New function.
1072         (Output_data_plt_sparc::set_final_data_size): Use plt_index_to_offset
1073         and entry_count.
1074         (Output_data_plt_sparc::do_write): Use first_plt_entry_offset and
1075         entry_count.
1076         (Target_sparc::Scan::get_reference_flags): Add R_SPARC_IRELATIVE and
1077         R_SPARC_JMP_IREL to switch.
1078         (Target_sparc::Scan::check_non_pic): Likewise.
1079         (Target_sparc::Scan::local): Handle IFUNC symbols.
1080         (Target_sparc::Scan::local): Likewise.
1081         (Target_sparc::Relocate::relocate): Likewise, use plt_address_for_global
1082         and plt_address_for_local.
1083         (Target_sparc::do_finalize_sections): Call emit_pending_ifunc_relocs.
1084         Define __rel_iplt_start and __rel_iplt_end if doing a static link.
1085
1086         * output.h (Output_reloc): Allow use_plt_offset for global relocs too.
1087         (class Output_data_reloc): Adjust calls to Output_reloc_type.
1088         (Output_data_reloc::add_global_relative): (RELA only) Add use_plt_offset.
1089         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag for
1090         global relocs too.
1091         (Output_reloc::symbol_value): Respect use_plt_offset_ for global symbols.
1092         * powerpc.cc (Target_powerpc::Scan::global): Adjust add_global_relative
1093         calls.
1094         * sparc.cc (Target_sparc::Scan::global): Likewise.
1095         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
1096
1097 2012-04-16  Cary Coutant  <ccoutant@google.com>
1098
1099         * archive.cc (Library_base::should_include_member): Check for
1100         --export-dynamic-symbol.
1101         * options.h (class General_options): Add --export-dynamic-symbol.
1102         * symtab.cc (Symbol::should_add_dynsym_entry): Check for
1103         --export-dynamic-symbol.
1104         (Symbol_table::gc_mark_undef_symbols): Likewise.
1105         (Symbol_table::do_add_undefined_symbols_from_command_line): Likewise.
1106
1107 2012-04-12  David S. Miller  <davem@davemloft.net>
1108
1109         * sparc.cc (Reloc::wdisp10): New relocation method.
1110         (Reloc::h34): Likewise.
1111         (Target_sparc::Scan::check_non_pic): Handle R_SPARC_H34.
1112         (Target_sparc::Scan::get_reference_flags): Handle R_SPARC_H34 and
1113         R_SPARC_WDISP10.
1114         (Target_sparc::Scan::local): Likewise.
1115         (Target_sparc::Scan::global): Likewise.
1116         (Target_sparc::Relocate::relocate): Likewise.
1117
1118 2012-04-09  Cary Coutant  <ccoutant@google.com>
1119
1120         * gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Allow
1121         low_pc == 0.
1122
1123 2012-04-06  Ian Lance Taylor  <iant@google.com>
1124
1125         * timer.cc: #include <unistd.h>.
1126
1127 2012-04-06  Roland McGrath  <mcgrathr@google.com>
1128
1129         * configure.in (AC_CHECK_HEADERS): Add locale.h.
1130         * config.in: Regenerate.
1131         * configure: Regenerate.
1132
1133 2012-04-05  Nick Clifton  <nickc@redhat.com>
1134
1135         * configure.ac (AC_CHECK_FUNCS): Add setlocale.
1136         (AM_LC_MESSAGES): Add.
1137         * aclocal.m4: Regenerate.
1138         * config.in: Regenerate.
1139         * configure: Regenerate.
1140
1141 2012-03-21  Cary Coutant  <ccoutant@google.com>
1142
1143         * Makefile.am: Add gdb-index.cc, gdb-index.h.
1144         * Makefile.in: Regenerate.
1145         * dwarf_reader.cc (Sized_elf_reloc_mapper::do_initialize): New function.
1146         (Sized_elf_reloc_mapper::symbol_section): New function.
1147         (Sized_elf_reloc_mapper::do_get_reloc_target): New function.
1148         (make_elf_reloc_mapper): New function.
1149         (Dwarf_abbrev_table::clear_abbrev_codes): New function.
1150         (Dwarf_abbrev_table::do_read_abbrevs): New function.
1151         (Dwarf_abbrev_table::do_get_abbrev): New function.
1152         (Dwarf_ranges_table::read_ranges_table): New function.
1153         (Dwarf_ranges_table::read_range_list): New function.
1154         (Dwarf_pubnames_table::read_section): New function.
1155         (Dwarf_pubnames_table::read_header): New function.
1156         (Dwarf_pubnames_table::next_name): New function.
1157         (Dwarf_die::Dwarf_die): New function.
1158         (Dwarf_die::read_attributes): New function.
1159         (Dwarf_die::skip_attributes): New function.
1160         (Dwarf_die::set_name): New function.
1161         (Dwarf_die::set_linkage_name): New function.
1162         (Dwarf_die::attribute): New function.
1163         (Dwarf_die::string_attribute): New function.
1164         (Dwarf_die::int_attribute): New function.
1165         (Dwarf_die::uint_attribute): New function.
1166         (Dwarf_die::ref_attribute): New function.
1167         (Dwarf_die::child_offset): New function.
1168         (Dwarf_die::sibling_offset): New function.
1169         (Dwarf_info_reader::check_buffer): New function.
1170         (Dwarf_info_reader::parse): New function.
1171         (Dwarf_info_reader::do_parse): New function.
1172         (Dwarf_info_reader::do_read_string_table): New function.
1173         (Dwarf_info_reader::lookup_reloc): New function.
1174         (Dwarf_info_reader::get_string): New function.
1175         (Dwarf_info_reader::visit_compilation_unit): New function.
1176         (Dwarf_info_reader::visit_type_unit): New function.
1177         (Sized_dwarf_line_info::Sized_dwarf_line_info): Use
1178         Sized_elf_reloc_mapper.
1179         (Sized_dwarf_line_info::symbol_section): Remove function.
1180         (Sized_dwarf_line_info::read_relocs): Use Sized_elf_reloc_mapper.
1181         (Sized_dwarf_line_info::read_line_mappings): Remove object
1182         parameter, adjust callers.
1183         (Sized_dwarf_line_info::format_file_lineno): Fix type of cast.
1184         * dwarf_reader.h: Include <sys/types.h>.
1185         (class Track_relocs): Remove forward declaration.
1186         (class Elf_reloc_mapper): New class.
1187         (class Sized_elf_reloc_mapper): New class.
1188         (class Dwarf_abbrev_table): New class.
1189         (class Dwarf_range_list): New class.
1190         (class Dwarf_ranges_table): New class.
1191         (class Dwarf_pubnames_table): New class.
1192         (class Dwarf_die): New class.
1193         (class Dwarf_info_reader): New class.
1194         (Sized_dwarf_line_info::read_line_mappings): Remove object parameter.
1195         (Sized_dwarf_line_info::symbol_section): Remove member function.
1196         * dynobj.h (Sized_dynobj::do_section_contents): Refactor code from
1197         base class.
1198         * gdb-index.cc: New source file.
1199         * gdb-index.h: New source file.
1200         * incremental.cc (Sized_relobj_incr::do_layout): Track .debug_info
1201         and .debug_types sections, call Layout::add_to_gdb_index.
1202         (Sized_relobj_incr::do_section_name): Implement.
1203         (Sized_relobj_incr::do_section_contents): Adjust parameter list and
1204         return type; Implement.
1205         (Sized_incr_dynobj::do_section_contents): Adjust parameter list and
1206         return type.
1207         * incremental.h (Sized_relobj_incr::do_section_contents): Adjust
1208         parameter list and return type.
1209         (Sized_incr_dynobj::do_section_contents): Likewise.
1210         * layout.cc: Include gdb-index.h.
1211         (Layout::Layout): Initialize gdb_index_data_.
1212         (Layout::init_fixed_output_section): Check for .gdb_index section.
1213         (Layout::add_to_gdb_index): New function. Instantiate.
1214         * layout.h: Add forward declaration for class Gdb_index.
1215         (Layout::add_to_gdb_index): New member function.
1216         (Layout::gdb_index_data_): New data member.
1217         * main.cc: Include gdb-index.h.
1218         (main): Print statistics for gdb index.
1219         * object.cc (Object::section_contents): Move code into
1220         do_section_contents.
1221         (need_decompressed_section): Check for sections needed when building
1222         gdb index.
1223         (build_compressed_section_map): Likewise.
1224         (Sized_relobj_file::do_read_symbols): Need local symbols when building
1225         gdb index.
1226         (Sized_relobj_file::do_layout): Track .debug_info and .debug_types
1227         sections; call Layout::add_to_gdb_index.
1228         (Sized_relobj_file::do_decompressed_section_contents): Call
1229         do_section_contents directly.
1230         * object.h (Object::do_section_contents): Adjust parameter list and
1231         return type.
1232         (Object::do_decompressed_section_contents): Call do_section_contents
1233         directly.
1234         (Sized_relobj_file::do_section_contents): Adjust parameter list and
1235         return type.
1236         * options.h (class General_options): Add --gdb-index option.
1237         * plugin.cc (Sized_pluginobj::do_section_contents): Adjust parameter
1238         list and return type.
1239         * plugin.h (Sized_pluginobj::do_section_contents): Likewise.
1240         * reloc.h (Track_relocs::checkpoint): New function.
1241         (Track_relocs::reset): New function.
1242
1243         * testsuite/Makefile.am (gdb_index_test_1.sh, gdb_index_test_2.sh):
1244         New test cases.
1245         * testsuite/Makefile.in: Regenerate.
1246         * testsuite/gdb_index_test.cc: New test source file.
1247         * testsuite/gdb_index_test_1.sh: New test source file.
1248         * testsuite/gdb_index_test_2.sh: New test source file.
1249
1250 2012-03-19  Doug Kwan  <dougkwan@google.com>
1251
1252         * arm.cc (Target_arm::do_define_standard_symbols): New method.
1253         (Target_arm::do_finalize_sections): Remove code which defines
1254         __exidx_start and __exidx_end.  Make symbol table parameter
1255         anonymous as it is not used.
1256         * gold.cc (queue_middle_tasks): Call target hook to define any
1257         target-specific symbols.
1258         * target.h (Target::define_standard_symbols): New method.
1259         (Target::do_define_standard_symbols): Same.
1260         * testsuite/Makefile.am (arm_exidx_test): Dump relocations also.
1261         * testsuite/Makefile.in: Regenerate.
1262         * testsuite/arm_exidx.s: Generate data relocations for __exidx_start
1263         and __exidx_end.
1264         * testsuite/arm_exidx_test.sh: Check that no unused dynamic
1265         relocations are generated for __exidx_start and __exidx_end.
1266
1267 2012-03-16  Doug Kwan  <dougkwan@google.com>
1268
1269         * testsuite/Makefile.am: Disable test initpri3b.
1270         * testsuite/Makefile.in: Regenerate.
1271
1272 2012-03-15  Doug Kwan  <dougkwan@google.com>
1273
1274         * arm.cc (Target_arm::got_section): Make .got section read-only
1275         if -z now is given.
1276
1277 2012-03-15  Ian Lance Taylor  <iant@google.com>
1278
1279         PR gold/13850
1280         * layout.cc (Layout::make_output_section): Correctly mark
1281         SHT_INIT_ARRAY, et. al., as relro.
1282
1283 2012-03-14  Doug Kwan  <dougkwan@google.com>
1284
1285         * gold/arm.cc (Target_arm::Scan::global): Generate R_ARM_GLOB_DAT
1286         dynamic relocations for protected symbols in shared objects.
1287
1288 2012-03-13  Ian Lance Taylor  <iant@google.com>
1289
1290         * resolve.cc (Symbol_table::resolve): When merging common symbols,
1291         keep the larger alignment.
1292
1293 2012-03-12  Cary Coutant  <ccoutant@google.com>
1294
1295         * dwarf_reader.cc (Sized_dwarf_line_info::process_one_opcode): Fix
1296         handling of DW_LNE_define_file.
1297
1298 2012-03-12  Cary Coutant  <ccoutant@google.com>
1299
1300         * reduced_debug_output.cc
1301         (Output_reduced_debug_info_section::get_die_end): Add new FORM
1302         codes to switch.
1303
1304 2012-02-29  Cary Coutant  <ccoutant@google.com>
1305
1306         * object.cc (need_decompressed_section): Add #ifdef ENABLE_THREADS.
1307
1308 2012-02-29  Cary Coutant  <ccoutant@google.com>
1309
1310         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
1311         Call Object::decompressed_section_contents.
1312         * dwarf_reader.h (Sized_dwarf_line_info::~Sized_dwarf_line_info):
1313         New dtor.
1314         (Sized_dwarf_line_info::buffer_start_): New data member.
1315         * merge.cc (Output_merge_data::do_add_input_section): Call
1316         Object::decompressed_section_contents.
1317         (Output_merge_string::do_add_input_section): Likewise.
1318         * object.cc (need_decompressed_section): New function.
1319         (build_compressed_section_map): Decompress sections needed later.
1320         (Sized_relobj_file::do_decompressed_section_contents): New function.
1321         (Sized_relobj_file::do_discard_decompressed_sections): New function.
1322         * object.h (Object::decompressed_section_contents): New function.
1323         (Object::discard_decompressed_sections): New function.
1324         (Object::do_decompressed_section_contents): New function.
1325         (Object::do_discard_decompressed_sections): New function.
1326         (Compressed_section_info): New type.
1327         (Compressed_section_map): Include decompressed section contents.
1328         (Sized_relobj_file::do_decompressed_section_contents): New function.
1329         (Sized_relobj_file::do_discard_decompressed_sections): New function.
1330
1331 2012-02-16  Cary Coutant  <ccoutant@google.com>
1332
1333         * testsuite/Makefile.am (initpri2): Add --ctors-in-init-array option.
1334         * testsuite/Makefile.in: Regenerate.
1335
1336 2012-02-14  Cary Coutant  <ccoutant@google.com>
1337
1338         * options.cc (General_options::finalize): Disallow -pie and -static.
1339
1340 2012-02-03  Doug Kwan  <dougkwan@google.com>
1341
1342         * arm.cc (Arm_relocate_functions::abs8,
1343         Arm_relocate_functions::abs16): Use
1344         Bits::has_signed_unsigned_overflow32.
1345         (Arm_relocate_functions::thm_abs8): Correct range of
1346         overflow check.
1347         * reloc.h (Bits class): Change minimum number of bits from 0 to 1
1348         in assertions.
1349
1350 2012-02-02  Doug Kwan  <dougkwan@google.com>
1351
1352         * arm.cc (Reloc_stub::stub_type_for_reloc): Use PIC stubs in all
1353         position independent outputs, not just shared objects.
1354
1355 2012-01-30  H.J. Lu  <hongjiu.lu@intel.com>
1356
1357         * configure.ac: Check if -fpic -mtls-dialect=gnu2 works.
1358         * configure: Regenerated.
1359
1360 2012-01-27  Ian Lance Taylor  <iant@google.com>
1361
1362         * reloc.h (Bits): New class with static functions, copied from
1363         namespace utils in arm.cc.
1364         * arm.cc (namespace utils): Remove.  Rewrite all uses to use Bits
1365         instead.
1366
1367 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1368
1369         * incremental.cc (write_info_blocks): Correct relocation offset.
1370
1371 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1372
1373         * x86_64.cc (Relocate::tls_gd_to_ie): Support x32.
1374         (Relocate::tls_gd_to_le): Likewise.
1375
1376 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1377
1378         * x86_64.cc (Scan::global): Support x32 IFUNC function pointer.
1379
1380 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1381
1382         * configure.ac: Check if -mcmodel=medium works.
1383         * configure: Regenerated.
1384
1385 2012-01-24  Cary Coutant  <ccoutant@google.com>
1386
1387         * int_encoding.cc (read_unsigned_LEB_128): Replaced with inline
1388         definition and ...
1389         (read_unsigned_LEB_128_x): ... this new function.
1390         (read_signed_LEB_128): Replaced with inline definition and ...
1391         (read_signed_LEB_128_x): ... this new function.
1392         * int_encoding.h  (read_unsigned_LEB_128_x): New function.
1393         (read_unsigned_LEB_128): Add inline definition.
1394         (read_signed_LEB_128_x): New function.
1395         (read_signed_LEB_128): Add inline definition.
1396         * testsuite/Makefile.am (leb128_unittest): New unit test.
1397         * testsuite/Makefile.in: Regenerate.
1398         * testsuite/leb128_unittest.cc: New unit test.
1399
1400 2012-01-23  Ian Lance Taylor  <iant@google.com>
1401
1402         PR gold/13617
1403         * i386.cc (Target_i386::do_code_fill): When using a jmp
1404         instruction, pad with nop instructions.
1405         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
1406
1407 2012-01-22  H.J. Lu  <hongjiu.lu@intel.com>
1408
1409         * x86_64.cc (gc_process_relocs): Add typename on types used in
1410         template.
1411         (scan_relocs): Likewise.
1412         (relocate_section): Likewise.
1413         (apply_relocation): Likewise.
1414
1415 2012-01-10  H.J. Lu  <hongjiu.lu@intel.com>
1416
1417         * x86_64.cc (Scan::check_non_pic): Allow R_X86_64_32 for x32.
1418         (Scan::local): Use R_X86_64_RELATIVE relocation for R_X86_64_32
1419         under x32.
1420
1421 2012-01-09  H.J. Lu  <hongjiu.lu@intel.com>
1422
1423         * x86_64.cc: Initial support for x32.
1424
1425 2012-01-03  Cary Coutant  <ccoutant@google.com>
1426
1427         * gold/incremental.cc (Sized_incremental_binary::do_process_got_plt):
1428         Use abstract base class for GOT.
1429         * gold/output.h (class Output_data_got_base): New abstract base class.
1430         (class Output_data_got): Derive from new base class, adjust ctors.
1431         (Output_data_got::reserve_slot): Make virtual; rename to
1432         do_reserve_slot; Adjust callers.
1433         * gold/target.h (Sized_target::init_got_plt_for_update): Return
1434         pointer to abstract base class.
1435         * gold/x86_64.cc (Target_x86_64::init_got_plt_for_update): Likewise.
1436
1437 2011-12-18  Ian Lance Taylor  <iant@google.com>
1438
1439         * object.h (Relobj::local_symbol_value): New function.
1440         (Relobj::local_plt_offset): New function.
1441         (Relobj::local_has_got_offset): New function.
1442         (Relobj::local_got_offset): New function.
1443         (Relobj::set_local_got_offset): New function.
1444         (Relobj::do_local_symbol_value): New pure virtual function.
1445         (Relobj::do_local_plt_offset): Likewise.
1446         (Relobj::do_local_has_got_offset): Likewise.
1447         (Relobj::do_local_got_offset): Likewise.
1448         (Relobj::do_set_local_got_offset): Likewise.
1449         (Sized_relobj::do_local_has_got_offset): Rename from
1450         local_has_got_offset.
1451         (Sized_relobj::do_local_got_offset): Rename from local_got_offset.
1452         (Sized_relobj::do_set_local_got_offset): Rename from
1453         set_local_got_offset.
1454         (Sized_relobj_file::do_local_plt_offset): Rename from
1455         local_plt_offset.
1456         (Sized_relobj_file::do_local_symbol_value): New function.
1457         * object.cc (Sized_relobj_file::do_local_plt_offset): Rename from
1458         local_plt_offset.
1459         * output.cc (Output_data_got::Got_entry::write): Change object to
1460         Relobj.  Use local_symbol_value.
1461         (Output_data_got::add_global_with_rel): Change rel_dyn to
1462         Output_data_reloc_generic*.  Use add_global_generic.
1463         (Output_data_got::add_global_with_rela): Remove.  Change all
1464         callers to use add_global_with_rel.
1465         (Output_data_got::add_global_pair_with_rel): Change rel_dyn to
1466         Output_data_reloc_generic*.  Use add_global_generic.
1467         (Output_data_got::add_global_pair_with_rela): Remove.  Change all
1468         callers to use add_global_pair_with_rel.
1469         (Output_data_got::add_local): Change object to Relobj*.
1470         (Output_data_got::add_local_plt): Likewise.
1471         (Output_data_got::add_local_with_rel): Change object to Relobj*,
1472         change rel_dyn to Output_data_reloc_generic*.  Use
1473         add_local_generic.
1474         (Output_data_got::add_local_with_rela): Remove.  Change all
1475         callers to use all_local_with_rel.
1476         (Output_data_got::add_local_pair_with_rel): Change object to
1477         Relobj*, change rel_dyn to Output_data_reloc_generic*.  Use
1478         add_output_section_generic.
1479         (Output_data_got::add_local_pair_with_rela): Remove.  Change all
1480         callers to use add_local_pair_with_rel.
1481         (Output_data_got::reserve_local): Change object to Relobj*.
1482         * output.h: (class Output_data_reloc_generic): Add pure virtual
1483         declarations for add_global_generic, add_local_generic,
1484         add_output_section_generic.
1485         (class Output_data_reloc) [SHT_REL, SHT_RELA]: Implement new
1486         functions for Output_data_reloc_generic.  Update declarations for
1487         changes listed in output.cc.
1488         (class Output_data_got): Change template parameter to got_size.
1489         Don't define Rel_dyn or Rela_dyn.  Update declarations per above.
1490         * incremental.h (Sized_relobj_incr::do_local_symbol_value): New
1491         function.
1492         (Sized_relobj_incr::do_local_plt_offset): New function.
1493         * copy-relocs.cc (Copy_relocs::Copy_reloc_entry::emit): Call
1494         add_global_generic.
1495
1496 2011-12-17  Cary Coutant  <ccoutant@google.com>
1497
1498         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Add casts.
1499         * resolve.cc (Symbol_table::resolve): Likewise.
1500         * i386.cc (Target_i386::do_code_fill): Use char constants for nop
1501         arrays.
1502         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
1503
1504 2011-12-16  Ian Lance Taylor  <iant@google.com>
1505
1506         * output.h (Output_data_reloc_generic::add): Only call
1507         add_dynamic_reloc if this is a dynamic reloc section.
1508
1509 2011-12-15  H.J. Lu  <hongjiu.lu@intel.com>
1510
1511         PR gold/13505
1512         * target-reloc.h (apply_relocation): Replace <64, false> with
1513         <size, big_endian>.
1514
1515 2011-11-25  Nick Clifton  <nickc@redhat.com>
1516
1517         * po/it.po: New Italian translation.
1518
1519 2011-11-17  Sterling Augustine  <saugustine@google.com>
1520
1521         * script.cc (script_include_directive): Implement.
1522         (read_script_file): New local variables name and search_path. Update
1523         comment. Call IS_ABSOLUTE_PATH and Dirsearch::find_file_in_dir_list.
1524         * dirsearch.h (Dirsearch::find_file_in_dir_list): Declare new method.
1525         * dirsearch.cc (Dirsearch::find_file_in_dir_list): Implement it.
1526
1527 2011-11-11  Sterling Augustine  <saugustine@google.com>
1528
1529         * yyscript.y (section_cmd): Add support for INCLUDE directive.
1530         (file_or_sections_cmd): Likewise.
1531
1532 2011-11-11  Doug Kwan  <dougkwan@google.com>
1533
1534         * arm.cc (Target_arm::do_make_elf_object): Allow executable also
1535         if --just-symbols is given.
1536
1537 2011-11-10  Doug Kwan  <dougkwan@google.com>
1538
1539         PR gold/13362
1540         * arm.cc (Target_arm::Relocate::relocate_tls): Do unaligned accesses
1541         when processing data relocs.
1542         * reloc.h (Relocate_functions::rel_unaligned): New method.
1543         (Relocate_functions::pcrel_unaligned): Ditto.
1544         (Relocate_functions::rel32_unaligned): Ditto.
1545         (Relocate_functions::pcrel32_unaligned): Ditto.
1546
1547 2011-11-09  Doug Kwan  <dougkwan@google.com>
1548
1549         PR gold/13362
1550         * arm.cc (Arm_scan_relocatable_relocs::Default_scan_relocatable_relocs):
1551         Use unaligned 4-byte relocs for static 32-bit data as required by EABI.
1552         * reloc.h (Relocatable_relocs::Reloc_strategy): New enum
1553         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
1554         (Relocate_functions::rel_unaligned): New.
1555         (Relocate_functions::rel32_unaligned): New.
1556         * target-reloc.h (relocate_for_relocatable): Add code to handle
1557         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
1558         * testsuite/Makefile.am (arm_unaligned_reloc_r.stdout,
1559         arm_unaligned_reloc_r): New targets.
1560         * testsuite/Makefile.in: Regenerate.
1561         * arm_unaligned_reloc.sh: Check unaligned relocs in relocatable
1562         linking.
1563
1564 2011-11-02  Ian Lance Taylor  <iant@google.com>
1565
1566         * configure.ac: Add --with-lib-path option.  Define LIB_PATH and
1567         NATIVE_LINKER.
1568         * Makefile.am (AM_CPPFLAGS): Define TOOLLIBDIR.
1569         * options.cc (General_options::finalize): Use library search path
1570         from configure script if specified.  If not native and no sysroot,
1571         only search TOOLLIBDIR.
1572         * options.h (Search_directory::Search_directory): Change name to
1573         const std::string&.
1574         (General_options::add_to_library_path_with_sysroot): Change arg to
1575         const std::string&.
1576         * configure, Makefile.in, config.in: Rebuild.
1577
1578 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1579
1580         * arm.cc (Target_arm::may_use_v5t_interworking): Check whether
1581         we are working around the ARM1176 Erratum.
1582         * options.h (General_options::fix_arm1176): Add option.
1583         * testsuite/Makefile.am: Add testcases, and keep current ones
1584         working.
1585         * testsuite/Makefile.in: Regenerate.
1586         * testsuite/arm_fix_1176.s: New file.
1587         * testsuite/arm_fix_1176.sh: Likewise.
1588
1589 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1590
1591         * arm.cc (Target_arm::Target_arm): Remove initialisation of
1592         may_use_blx_.
1593         (Target_arm::may_use_blx): Remove method.
1594         (Target_arm::set_may_use_blx): Likewise.
1595         (Target_arm::may_use_v4t_interworking): New method.
1596         (Target_arm::may_use_v5t_interworking): Likewise.
1597         (Target_arm::may_use_blx_): Remove member variable.
1598         (Arm_relocate_functions::arm_branch_common): Check for v5T
1599         interworking.
1600         (Arm_relocate_functions::thumb_branch_common): Likewise.
1601         (Reloc_stub::stub_type_for_reloc): Likewise.
1602         (Target_arm::do_finalize_sections): Correct interworking checks.
1603         * testsuite/Makefile.am: Add new tests.
1604         * testsuite/Makefile.in: Regenerate.
1605         * testsuite/arm_farcall_arm_arm.s: New test.
1606         * testsuite/arm_farcall_arm_arm.sh: Likewise.
1607         * testsuite/arm_farcall_arm_thumb.s: Likewise.
1608         * testsuite/arm_farcall_arm_thumb.sh: Likewise.
1609         * testsuite/arm_farcall_thumb_arm.s: Likewise.
1610         * testsuite/arm_farcall_thumb_arm.sh: Likewise.
1611         * testsuite/arm_farcall_thumb_thumb.s: Likewise.
1612         * testsuite/arm_farcall_thumb_thumb.sh: Likewise.
1613
1614 2011-10-31  Cary Coutant  <ccoutant@google.com>
1615
1616         PR gold/13023
1617         * expression.cc (Expression::eval_with_dot): Add
1618         is_section_dot_assignment parameter.
1619         (Expression::eval_maybe_dot): Likewise.  Adjust value when rhs is
1620         absolute and assigning to dot within a section.
1621         * script-sections.cc
1622         (Output_section_element_assignment::set_section_addresses): Pass
1623         dot_section to set_if_absolute.
1624         (Output_section_element_dot_assignment::finalize_symbols): Pass TRUE
1625         as is_section_dot_assignment flag to eval_with_dot.
1626         (Output_section_element_dot_assignment::set_section_addresses):
1627         Likewise.
1628         * script.cc (Symbol_assignment::set_if_absolute): Add dot_section
1629         parameter.  Also set value if relative to dot_section; set the
1630         symbol's output_section.
1631         * script.h (Expression::eval_with_dot): Add is_section_dot_assignment
1632         parameter.  Adjust all callers.
1633         (Expression::eval_maybe_dot): Likewise.
1634         (Symbol_assignment::set_if_absolute): Add dot_section parameter.
1635         Adjust all callers.
1636         * testsuite/script_test_2.t: Test assignment of an absolute value
1637         to dot within an output section element.
1638
1639 2011-10-31  Cary Coutant  <ccoutant@google.com>
1640
1641         * options.h (class General_options): Add --[no-]gnu-unique options.
1642         * symtab.cc (Symbol_table::sized_write_globals): Convert
1643         STB_GNU_UNIQUE to STB_GLOBAL if --no-gnu-unique.
1644
1645 2011-10-31  Cary Coutant  <ccoutant@google.com>
1646
1647         PR gold/13359
1648         * i386.cc (Target_i386::Relocate::relocate_tls): Remove
1649         unnecessary assertion.
1650         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Likewise.
1651
1652 2011-10-31 Sriraman Tallam  <tmsriram@google.com>
1653
1654         * symtab.h (Symbol_table::gc_mark_symbol_for_shlib): Rename to
1655         gc_mark_symbol.
1656         * symtab.cc (Symbol_table::gc_mark_symbol_for_shlib): Rename to
1657         gc_mark_symbol.
1658         Change to just keep the section associated with symbol.
1659         (Symbol_table::add_from_relobj): Mark symbols as not garbage when
1660         they are externally visible and --export-dynamic is turned on.
1661         (Symbol_table::gc_mark_dyn_syms): Call gc_mark_symbol.
1662
1663 2011-10-19  Ian Lance Taylor  <iant@google.com>
1664
1665         PR gold/13163
1666         * script-sections.cc
1667         (Output_section_element_dot_assignment::needs_output_section): New
1668         function.
1669
1670 2011-10-19  Ian Lance Taylor  <iant@google.com>
1671
1672         PR gold/13204
1673         * layout.cc (Layout::segment_precedes): Don't assert failure if a
1674         --section-start option was seen.
1675         * options.h (General_options::any_section_start): New function.
1676
1677 2011-10-18  David S. Miller  <davem@davemloft.net>
1678
1679         PR binutils/13301
1680         * sparc.cc (Target_sparc::Relocate::reloc_adjust_addr_): New
1681         member to track relocation locations that have moved during TLS
1682         reloc optimizations.
1683         (Target_sparc::Relocate::Relocate): Initialize to NULL.
1684         (Target_sparc::Relocate::relocate): Adjust view down by 4
1685         bytes if it matches reloc_adjust_addr_.
1686         (Target_sparc::Relocate::relocate_tls): Always move the
1687         __tls_get_addr call delay slot instruction forward 4 bytes when
1688         performing relaxation.
1689
1690 2011-10-18  Cary Coutant  <ccoutant@google.com>
1691
1692         * output.cc (posix_fallocate): Return 0 on success, errno on failure.
1693         (Output_file::map_no_anonymous): Check for non-zero
1694         return code from posix_fallocate.
1695
1696 2011-10-17  Cary Coutant  <ccoutant@google.com>
1697
1698         PR gold/13245
1699         * plugin.cc (is_visible_from_outside): Check for symbols
1700         referenced from dynamic objects.
1701         * resolve.cc (Symbol_table::resolve): Don't count references
1702         from dynamic objects as references from real ELF files.
1703         * testsuite/plugin_test_2.sh: Adjust expected result.
1704
1705 2011-10-17  Cary Coutant  <ccoutant@google.com>
1706
1707         * gold.cc: Include timer.h.
1708         (queue_middle_tasks): Stamp time.
1709         (queue_final_tasks): Likewise.
1710         * main.cc (main): Store timer in parameters.  Print timers
1711         for each pass.
1712         * parameters.cc (Parameters::Parameters): Initialize timer_.
1713         (Parameters::set_timer): New function.
1714         (set_parameters_timer): New function.
1715         * parameters.h (Parameters::set_timer): New function.
1716         (Parameters::timer): New function.
1717         (Parameters::timer_): New data member.
1718         (set_parameters_timer): New function.
1719         * timer.cc (Timer::stamp): New function.
1720         (Timer::get_pass_time): New function.
1721         * timer.h (Timer::stamp): New function.
1722         (Timer::get_pass_time): New function.
1723         (Timer::pass_times_): New data member.
1724
1725 2011-10-17  Cary Coutant  <ccoutant@google.com>
1726
1727         * readsyms.cc (Read_symbols::run): Don't queue an unblocker
1728         task for members of lib groups.
1729
1730 2011-10-17  Cary Coutant  <ccoutant@google.com>
1731
1732         PR gold/13288
1733         * fileread.cc (File_read::find_view): Add assert.
1734         (File_read::make_view): Move bounds check (replace with assert)...
1735         (File_read::find_or_make_view): ... to here.
1736
1737 2011-10-12  Cary Coutant  <ccoutant@google.com>
1738
1739         * output.cc (Output_file::open_base_file): Handle case where
1740         ::read returns less than requested size.
1741
1742 2011-10-10  Cary Coutant  <ccoutant@google.com>
1743
1744         * incremental.cc (Sized_relobj_incr::Sized_relobj_incr):
1745         Initialize defined_count_.
1746         (Sized_relobj_incr::do_add_symbols): Count defined symbols.
1747         (Sized_relobj_incr::do_get_global_symbol_counts): Rewrite.
1748         (Sized_incr_dynobj::Sized_incr_dynobj): Initialize defined_count_.
1749         (Sized_incr_dynobj::do_add_symbols): Count defined symbols.
1750         (Sized_incr_dynobj::do_get_global_symbol_counts): Rewrite.
1751         * incremental.h (Sized_relobj_incr::defined_count_): New data
1752         member.
1753         (Sized_incr_dynobj::defined_count_): New data member.
1754         * plugin.cc (Sized_pluginobj::do_get_global_symbol_counts):
1755         Return zeroes instead of internal error.
1756
1757 2011-10-10  Cary Coutant  <ccoutant@google.com>
1758
1759         PR gold/13249
1760         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag.
1761         (Output_reloc::symbol_value): Return PLT offset if flag is set.
1762         * output.h (class Output_reloc): Add use_plt_offset flag.
1763         (Output_reloc::type_): Adjust size of bit field.
1764         (Output_reloc::use_plt_offset_): New bit field.
1765         (class Output_data_reloc): Adjust all calls to Output_reloc_type.
1766         (Output_data_reloc::add_local_relative): (RELA only) Add use_plt_offset
1767         flag.  Adjust all callers.
1768         * x86_64.cc (Target_x86_64::Scan::local): Check for IFUNC when
1769         creating RELATIVE relocations.
1770
1771 2011-10-10  Nick Clifton  <nickc@redhat.com>
1772
1773         * po/es.po: Updated Spanish translation.
1774         * po/fi.po: Updated Finnish translation.
1775
1776 2011-10-03   Diego Novillo  <dnovillo@google.com>
1777
1778         * options.cc (parse_uint): Fix dereference of RETVAL.
1779
1780 2011-09-29  Sriraman Tallam  <tmsriram@google.com>
1781
1782         * layout.h (section_order_map_): New member.
1783         (get_section_order_map): New member function.
1784         * output.cc (Output_section::add_input_section): Check for patterns
1785         only when --section-ordering-file is specified.
1786         * gold.cc (queue_middle_tasks): Delay updating order of sections till
1787         output_sections have been formed.
1788         * layout.cc (Layout_Layout): Initialize section_order_map_.
1789         * plugin.cc (update_section_order): Store order in order_map. Do not
1790         update the order.
1791         * testsuite/Makefile.am: Add test case for plugin_final_layout.
1792         * testsuite/Makefile.in: Regenerate.
1793         * testsuite/plugin_section_order.c: New file.
1794         * testsuite/plugin_final_layout.cc: New file.
1795         * testsuite/plugin_final_layout.sh: New file.
1796
1797 2011-09-29  Cary Coutant  <ccoutant@google.com>
1798
1799         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
1800         Check for NULL.
1801         * symtab.cc (Symbol_table::add_from_relobj): Ignore version
1802         symbols during incremental update.
1803         (Symbol_table::add_from_dynobj): Likewise.
1804
1805 2011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1806             Ian Lance Taylor  <iant@google.com>
1807
1808         * symtab.cc (Symbol_table::define_special_symbol): Always
1809         canonicalize version string.
1810
1811 2011-09-26  Cary Coutant  <ccoutant@google.com>
1812
1813         * gold.cc (queue_initial_tasks): Move option checks ...
1814         * options.cc (General_options::finalize): ... to here. Disable
1815         some options; make others fatal.
1816
1817 2011-09-26  Cary Coutant  <ccoutant@google.com>
1818
1819         gcc PR lto/47247
1820         * plugin.cc (get_symbols_v2): New function.
1821         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
1822         (is_referenced_from_outside): New function.
1823         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
1824         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
1825         (get_symbols): Pass version parameter.
1826         (get_symbols_v2): New function.
1827         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
1828         parameter.
1829         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
1830         (onload): Add LDPT_GET_SYMBOLS_V2.
1831         (all_symbols_read_hook): Use get_symbols_v2; check for
1832         LDPR_PREVAILING_DEF_IRONLY_EXP.
1833         * testsuite/plugin_test_3.sh: Update expected results.
1834
1835 2011-09-23  Simon Baldwin  <simonb@google.com>
1836
1837         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
1838         configuration options.
1839         * configure: Regenerate.
1840         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
1841         * Makefile.in: Regenerate.
1842         * testsuite/Makefile.in: Regenerate.
1843
1844 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
1845
1846         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
1847
1848 2011-09-19  Cary Coutant  <ccoutant@google.com>
1849
1850         * incremental.cc (can_incremental_update): Fix typo in comment.
1851         * incremental.h (can_incremental_update): Likewise.
1852
1853 2011-09-18  Cary Coutant  <ccoutant@google.com>
1854
1855         * incremental.cc (can_incremental_update): New function.
1856         * incremental.h (can_incremental_update): New function.
1857         * layout.cc (Layout::init_fixed_output_section): Call it.
1858         (Layout::make_output_section): Don't allow patch space in .eh_frame.
1859         * object.cc (Sized_relobj_file::do_layout): Call
1860         can_incremental_update.
1861
1862 2011-09-13  Cary Coutant  <ccoutant@google.com>
1863
1864         * configure.ac: Check for glibc support for gnu_indirect_function
1865         support with static linking, setting automake conditional
1866         IFUNC_STATIC.
1867         * Makefile.in: Regenerate.
1868         * configure: Regenerate.
1869
1870         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
1871         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
1872         for IFUNC_STATIC.
1873         * testsuite/Makefile.in: Regenerate.
1874
1875 2011-09-13  Cary Coutant  <ccoutant@google.com>
1876
1877         * incremental.cc (Sized_relobj_incr::do_layout): Call
1878         report_comdat_group for kept comdat sections.
1879         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
1880         * testsuite/Makefile.in: Regenerate.
1881         * testsuite/incr_comdat_test_1.cc: New source file.
1882         * testsuite/incr_comdat_test_2_v1.cc: New source file.
1883         * testsuite/incr_comdat_test_2_v2.cc: New source file.
1884         * testsuite/incr_comdat_test_2_v3.cc: New source file.
1885
1886 2011-09-13  Ian Lance Taylor  <iant@google.com>
1887
1888         * object.cc (Sized_relobj_file::do_layout): Remove unused local
1889         variable external_symbols_offset.
1890
1891 2011-09-12  Ian Lance Taylor  <iant@google.com>
1892
1893         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
1894         triggered if object has no symbols.
1895
1896 2011-09-09  David S. Miller  <davem@davemloft.net>
1897
1898         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
1899         (Output_fill_debug_line::do_write): Likewise.
1900
1901 2011-08-29  Cary Coutant  <ccoutant@google.com>
1902
1903         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
1904         casts to match formatting specs.
1905         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
1906
1907 2011-08-26  Cary Coutant  <ccoutant@google.com>
1908
1909         * layout.cc (Free_list::allocate): Provide guarantee of minimum
1910         remaining hole size when allocating.
1911         (Layout::make_output_section): Set fill methods for debug sections.
1912         * layout.h (Free_list::Free_list_node): Move from private to
1913         public.
1914         (Free_list::set_min_hole_size): New function.
1915         (Free_list::begin, Free_list::end): New functions.
1916         (Free_list::min_hole_): New data member.
1917         * output.cc: Include dwarf.h.
1918         (Output_fill_debug_info::do_minimum_hole_size): New function.
1919         (Output_fill_debug_info::do_write): New function.
1920         (Output_fill_debug_line::do_minimum_hole_size): New function.
1921         (Output_fill_debug_line::do_write): New function.
1922         (Output_section::Output_section): Initialize new data member.
1923         (Output_section::set_final_data_size): Ensure patch space is larger
1924         than minimum hole size.
1925         (Output_section::do_write): Fill holes in debug sections.
1926         * output.h (Output_fill): New class.
1927         (Output_fill_debug_info): New class.
1928         (Output_fill_debug_line): New class.
1929         (Output_section::set_free_space_fill): New function.
1930         (Output_section::free_space_fill_): New data member.
1931         * testsuite/Makefile.am (incremental_test_3): Add
1932         --incremental-patch option.
1933         (incremental_test_4): Likewise.
1934         (incremental_test_5): Likewise.
1935         (incremental_test_6): Likewise.
1936         (incremental_copy_test): Likewise.
1937         (incremental_common_test_1): Likewise.
1938         * testsuite/Makefile.in: Regenerate.
1939
1940 2011-08-26  Nick Clifton  <nickc@redhat.com>
1941
1942         * po/es.po: Updated Spanish translation.
1943
1944 2011-08-01  Cary Coutant  <ccoutant@google.com>
1945
1946         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
1947         * gold/testsuite/Makefile.in: Regenerate.
1948         * gold/testsuite/justsyms_exec.c: New source file.
1949         * gold/testsuite/justsyms_lib.c: New source file.
1950
1951 2011-08-01  Cary Coutant  <ccoutant@google.com>
1952
1953         * layout.cc (Layout::set_segment_offsets): Don't realign text
1954         segment if -Ttext was specified.
1955         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
1956         file type.
1957         * object.h (Sized_relobj_file::e_type): New function.
1958         (Sized_relobj_file::e_type_): New data member.
1959         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
1960         base address for ET_EXEC files.
1961         * target.cc (Target::do_make_elf_object_implementation): Allow
1962         ET_EXEC files with --just-symbols option.
1963
1964 2011-07-28  Cary Coutant  <ccoutant@google.com>
1965
1966         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
1967         Add thread_number parameter.
1968         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
1969         * workqueue-threads.cc
1970         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
1971         current thread if its thread number is greater than desired thread
1972         count.
1973         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
1974         Add thread_number parameter.
1975         (Workqueue::should_cancel_thread): Likewise.
1976         (Workqueue::find_runnable_or_wait): Pass thread_number to
1977         should_cancel_thread.
1978         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
1979         parameter.
1980
1981 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
1982
1983         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
1984         only after checking if it cannot be forced local.
1985         * symtab.h (is_externally_visible): Check if the symbol is not forced
1986         local.
1987
1988 2011-07-15  Ian Lance Taylor  <iant@google.com>
1989
1990         * options.h (class General_options): Add --print-output-format.
1991         Move -EL next to -EB, for  better --help output.
1992         * target-select.cc: Include <cstdio>, "options.h", and
1993         "parameters.h".
1994         (Target_selector::do_target_bfd_name): New function.
1995         (print_output_format): New function.
1996         * target-select.h (class Target_selector): Update declarations.
1997         (Target_selector::target_bfd_name): New function.
1998         (print_output_format): Declare.
1999         * main.cc: Include "target-select.h".
2000         (main): Handle --print-output-format.
2001         * gold.cc: Include "target-select.h".
2002         (queue_initial_tasks): Handle --print-output-format when there are
2003         no input files.
2004         * parameters.cc (parameters_force_valid_target): Give a better
2005         error message if -EB/-EL does not match target.
2006         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
2007         function.
2008
2009 2011-07-15  Ian Lance Taylor  <iant@google.com>
2010
2011         * i386.cc (class Output_data_plt_i386): Add layout_ field.
2012         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
2013         (Output_data_plt_i386::do_write): Write address of .dynamic
2014         section to first entry in .got.plt section.
2015         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
2016         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
2017         Initialize layout_.
2018         (Output_data_plt_x86_64::do_write): Write address of .dynamic
2019         section to first entry in .got.plt section.
2020         * layout.h (Layout::dynamic_section): New function.
2021
2022 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
2023
2024         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
2025         to claim_file call.
2026         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
2027         input_section_position_, and input_section_glob_.
2028         (read_layout_from_file): Call function section_ordering_specified.
2029         * layout.h (is_section_ordering_specified): New function.
2030         (section_ordering_specified): New function.
2031         (section_ordering_specified_): New boolean member.
2032         * main.cc(main): Call load_plugins after layout object is defined.
2033         * output.cc (Output_section::add_input_section): Use
2034         function section_ordering_specified to check if section ordering is
2035         needed.
2036         * output.cc (Output_section::add_relaxed_input_section): Use
2037         function section_ordering_specified to check if section ordering is
2038         needed.
2039         (Output_section::update_section_layout): New function.
2040         (Output_section::sort_attached_input_sections): Check if input section
2041         must be reordered.
2042         * output.h (Output_section::update_section_layout): New function.
2043         * plugin.cc (get_section_count): New function.
2044         (get_section_type): New function.
2045         (get_section_name): New function.
2046         (get_section_contents): New function.
2047         (update_section_order): New function.
2048         (allow_section_ordering): New function.
2049         (Plugin::load): Add the new interfaces to the transfer vector.
2050         (Plugin_manager::load_plugins): New parameter.
2051         (Plugin_manager::all_symbols_read): New parameter.
2052         (Plugin_manager::claim_file): New parameter. Save the elf object for
2053         unclaimed objects.
2054         (Plugin_manager::get_elf_object): New function.
2055         (Plugin_manager::get_view): Change to directly use the bool to check
2056         if get_view is called from claim_file_hook.
2057         * plugin.h (input_objects): New function
2058         (Plugin__manager::load_plugins): New parameter.
2059         (Plugin_manager::claim_file): New parameter.
2060         (Plugin_manager::get_elf_object): New function.
2061         (Plugin_manager::in_claim_file_handler): New function.
2062         (Plugin_manager::in_claim_file_handler_): New member.
2063         (layout): New function.
2064         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
2065         handler with an extra parameter. Make the elf object before calling
2066         claim_file handler.
2067         * testsuite/plugin_test.c (get_section_count): New function pointer.
2068         (get_section_type): New function pointer.
2069         (get_section_name): New function pointer.
2070         (get_section_contents): New function pointer.
2071         (update_section_order): New function pointer.
2072         (allow_section_ordering): New function pointer.
2073         (onload): Check if the new interfaces exist.
2074
2075 2011-07-13  Ian Lance Taylor  <iant@google.com>
2076
2077         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
2078         relro section.
2079         * x86_64.cc (Target_x86_64::got_section): Likewise.
2080         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
2081         (relro_now_test_SOURCES): New variable.
2082         (relro_now_test_DEPENDENCIES): New variable.
2083         (relro_now_test_LDFLAGS): New variable.
2084         (relro_now_test_LDADD): New variable.
2085         (relro_now_test.so): New target.
2086         * testsuite/Makefile.in: Rebuild.
2087
2088 2011-07-12  Ian Lance Taylor  <iant@google.com>
2089
2090         PR gold/12980
2091         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
2092         GLOB_DAT relocation rather than a RELATIVE relocation for a
2093         protected symbol when creating a shared library.
2094         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
2095         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
2096         * testsuite/protected_main_1.cc (main): Test that protected
2097         function has same address.
2098
2099 2011-07-11  Ian Lance Taylor  <iant@google.com>
2100
2101         PR gold/12979
2102         * options.h (class General_options): Add -Bgroup.
2103         * options.cc (General_options::finalize): If -Bgroup is set,
2104         default to --unresolved-symbols=report-all.
2105         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
2106         * target-reloc.h (issue_undefined_symbol_error): Handle
2107         --unresolved-symbols=report-all.
2108
2109 2011-07-08  Ian Lance Taylor  <iant@google.com>
2110
2111         PR gold/11985
2112         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
2113         if linker script discards key sections.
2114         (Layout::create_dynamic_symtab): Likewise.
2115         (Layout::assign_local_dynsym_offsets): Likewise.
2116         (Layout::sized_create_version_sections): Likewise.
2117         (Layout::create_interp): Likewise.
2118         (Layout::finish_dynamic_section): Likewise.
2119         (Layout::set_dynamic_symbol_size): Likewise.
2120
2121 2011-07-08  Ian Lance Taylor  <iant@google.com>
2122
2123         PR gold/12386
2124         * options.h (class General_options): Add --unresolved-symbols.
2125         * target-reloc.h (issue_undefined_symbol_error): Check
2126         --unresolved-symbols.  Add comments.
2127
2128 2011-07-08  Ian Lance Taylor  <iant@google.com>
2129
2130         * testsuite/odr_violation2.cc (Ordering::operator()): Make
2131         expression more complex.
2132
2133 2011-07-08  Ian Lance Taylor  <iant@google.com>
2134
2135         PR gold/11317
2136         * target-reloc.h (issue_undefined_symbol_error): New inline
2137         function, broken out of relocate_section.
2138         (relocate_section): Call issue_undefined_symbol_error.
2139         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
2140         there is no TLS segment if we are about to issue an undefined
2141         symbol error.
2142         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
2143
2144 2011-07-08  Ian Lance Taylor  <iant@google.com>
2145
2146         PR gold/12279
2147         * resolve.cc (Symbol_table::should_override): Add fromtype
2148         parameter.  Change all callers.  Give error when linking together
2149         TLS and non-TLS symbol.
2150         (Symbol_table::should_override_with_special): Add fromtype
2151         parameter.  Change all callers.
2152         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
2153         there is no TLS segment if we have reported some errors.
2154         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
2155
2156 2011-07-08  Ian Lance Taylor  <iant@google.com>
2157
2158         PR gold/12372
2159         * target.h (Target::plt_address_for_global): New function.
2160         (Target::plt_address_for_local): New function.
2161         (Target::plt_section_for_global): Remove.
2162         (Target::plt_section_for_local): Remove.
2163         (Target::do_plt_address_for_global): New virtual function.
2164         (Target::do_plt_address_for_local): New virtual function.
2165         (Target::do_plt_section_for_global): Remove.
2166         (Target::do_plt_section_for_local): Remove.
2167         (Target::register_global_plt_entry): Add Symbol_table and Layout
2168         parameters.
2169         * output.cc (Output_data_got::Got_entry::write): Use
2170         plt_address_for_global and plt_address_for_local.
2171         * layout.cc (Layout::add_target_dynamic_tags): Use size and
2172         address of output section.
2173         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
2174         got_irelative_, and irelative_count_ fields.  Update
2175         declarations.
2176         (Output_data_plt_i386::has_irelative_section): New function.
2177         (Output_data_plt_i386::entry_count): Add irelative_count_.
2178         (Output_data_plt_i386::set_final_data_size): Likewise.
2179         (class Target_i386): Add got_irelative_ and rel_irelative_
2180         fields.  Update declarations.
2181         (Target_i386::Target_i386): Initialize new fields.
2182         (Target_i386::do_plt_address_for_global): New function replacing
2183         do_plt_section_for_global.
2184         (Target_i386::do_plt_address_for_local): New function replacing
2185         do_plt_section_for_local.
2186         (Target_i386::got_section): Create got_irelative_.
2187         (Target_i386::rel_irelative_section): New function.
2188         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
2189         fields.  Don't define __rel_iplt_{start,end}.
2190         (Output_data_plt_i386::add_entry): Add symtab and layout
2191         parameters.  Change all callers.  Use different PLT and GOT for
2192         IFUNC symbols.
2193         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
2194         layout parameters.  Change all callers.  Use different PLT and
2195         GOT.
2196         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
2197         (Output_data_plt_i386::rel_irelative): New function.
2198         (Output_data_plt_i386::address_for_global): New function.
2199         (Output_data_plt_i386::address_for_local): New function.
2200         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
2201         IRELATIVE GOT when changing IFUNC GOT entries.
2202         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
2203         reloc.
2204         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
2205         if we didn't create an IRELATIVE GOT.
2206         (Target_i386::Relocate::relocate): Use plt_address_for_global and
2207         plt_address_for_local.
2208         (Target_i386::do_dynsym_value): Use plt_address_for_global.
2209         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
2210         got_irelative_, and irelative_count_ fields.  Update
2211         declarations.
2212         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
2213         Initialize new fields.  Remove symtab parameter.  Change all
2214         callers.
2215         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
2216         irelative_count_.
2217         (Output_data_plt_x86_64::has_irelative_section): New function.
2218         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
2219         (class Target_x86_64): Add got_irelative_ and rel_irelative_
2220         fields.  Update declarations.
2221         (Target_x86_64::Target_x86_64): Initialize new fields.
2222         (Target_x86_64::do_plt_address_for_global): New function replacing
2223         do_plt_section_for_global.
2224         (Target_x86_64::do_plt_address_for_local): New function replacing
2225         do_plt_section_for_local.
2226         (Target_x86_64::got_section): Create got_irelative_.
2227         (Target_x86_64::rela_irelative_section): New function.
2228         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
2229         all callers.  Don't create __rel_iplt_{start,end}.
2230         (Output_data_plt_x86_64::add_entry): Add symtab and layout
2231         parameters.  Change all callers.  Use different PLT and GOT for
2232         IFUNC symbols.
2233         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
2234         layout parameters.  Change all callers.  Use different PLT and
2235         GOT.
2236         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
2237         parameters.  Change all callers.  Use different PLT and GOT for
2238         IFUNC symbols.
2239         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
2240         (Output_data_plt_x86_64::rela_irelative): New function.
2241         (Output_data_plt_x86_64::address_for_global): New function.
2242         (Output_data_plt_x86_64::address_for_local): New function.
2243         (Output_data_plt_x86_64::set_final_data_size): Likewise.
2244         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
2245         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
2246         (Target_x86_64::register_global_plt_entry): Add symtab and layout
2247         parameters.
2248         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
2249         reloc.
2250         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
2251         symbols if we didn't create an IRELATIVE GOT.
2252         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
2253         plt_address_for_local.
2254         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
2255         * testsuite/ifuncvar1.c: New test file.
2256         * testsuite/ifuncvar2.c: New test file.
2257         * testsuite/ifuncvar3.c: New test file.
2258         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
2259         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
2260         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
2261         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
2262         * testsuite/Makefile.in: Rebuild.
2263
2264 2011-07-07  Cary Coutant  <ccoutant@google.com>
2265
2266         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
2267         (two_file_test_1_ndebug.o): Likewise.
2268         (two_file_test_1b_ndebug.o): Likewise.
2269         (two_file_test_2_ndebug.o): Likewise.
2270         (two_file_test_main_ndebug.o): Likewise.
2271         (incremental_test_2): Link with no-debug versions.
2272
2273 2011-07-06  Cary Coutant  <ccoutant@google.com>
2274
2275         * gold/incremental.cc
2276         (Output_section_incremental_inputs::write_info_blocks): Check for
2277         hidden and internal symbols.
2278
2279 2011-07-06  Cary Coutant  <ccoutant@google.com>
2280
2281         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
2282         Check disposition for startup file.
2283         (Incremental_inputs::report_command_line): Ignore
2284         --incremental-startup-unchanged option.
2285         * options.cc (General_options::parse_incremental_startup_unchanged):
2286         New function.
2287         (General_options::General_options): Initialize new data member.
2288         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
2289         (General_options): Add --incremental-startup-unchanged option.
2290         (General_options::incremental_startup_disposition): New function.
2291         (General_options::incremental_startup_disposition_): New data member.
2292
2293 2011-07-06  Cary Coutant  <ccoutant@google.com>
2294
2295         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
2296         input file index to Script_info ctor.
2297         (Sized_incremental_binary::do_file_has_changed): Find the
2298         command-line argument for files named in scripts.
2299         * incremental.h (Script_info::Script_info): New ctor
2300         with input file index.
2301         (Script_info::input_file_index): New function.
2302         (Script_info::input_file_index_): New data member.
2303         (Incremental_binary::get_library): Add const.
2304         (Incremental_binary::get_script_info): Add const.
2305         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
2306         * testsuite/Makefile.am (incremental_test_5): New test case.
2307         (incremental_test_6): New test case.
2308         * testsuite/Makefile.in: Regenerate.
2309
2310 2011-07-06  Cary Coutant  <ccoutant@google.com>
2311
2312         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
2313         debug output when command lines differ.
2314
2315 2011-07-06  Cary Coutant  <ccoutant@google.com>
2316
2317         * incremental.cc (Incremental_inputs::report_command_line): Ignore
2318         --incremental-patch option.
2319         * layout.cc (Free_list::allocate): Extend allocation beyond original
2320         end if enabled.
2321         (Layout::make_output_section): Mark sections that should get
2322         patch space.
2323         * options.cc (parse_percent): New function.
2324         * options.h (parse_percent): New function.
2325         (DEFINE_percent): New macro.
2326         (General_options): Add --incremental-patch option.
2327         * output.cc (Output_section::Output_section): Initialize new data
2328         members.
2329         (Output_section::add_input_section): Print section name when out
2330         of patch space.
2331         (Output_section::add_output_section_data): Likewise.
2332         (Output_section::set_final_data_size): Add patch space when
2333         doing --incremental-full.
2334         (Output_section::do_reset_address_and_file_offset): Remove patch
2335         space.
2336         (Output_segment::set_section_list_addresses): Print debug output
2337         only if --incremental-update.
2338         * output.h (Output_section::set_is_patch_space_allowed): New function.
2339         (Output_section::is_patch_space_allowed_): New data member.
2340         (Output_section::patch_space_): New data member.
2341         * parameters.cc (Parameters::incremental_full): New function.
2342         * parameters.h (Parameters::incremental_full): New function
2343         * testsuite/Makefile.am (incremental_test_2): Add test for
2344         --incremental-patch option.
2345         * testsuite/Makefile.in: Regenerate.
2346         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
2347         (t18): Remove function body.
2348
2349 2011-07-05  Doug Kwan  <dougkwan@google.com>
2350
2351         PR gold/12771
2352         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
2353         Arm_Address type for relocation result.
2354         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
2355         overflow check.
2356         (Arm_relocate_functions::abs32): Use unaligned access.
2357         (Arm_relocate_functions::rel32): Ditto.
2358         (Arm_relocate_functions::prel31): Ditto.
2359         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
2360         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
2361         static data relocations.
2362         * testsuite/Makefile.in: Regnerate.
2363         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
2364
2365 2011-07-05  Ian Lance Taylor  <iant@google.com>
2366
2367         PR gold/12392
2368         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
2369         symbols if necessary.
2370         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
2371
2372 2011-07-05  Ian Lance Taylor  <iant@google.com>
2373
2374         PR gold/12952
2375         * resolve.cc (Symbol::override_base_with_special): Simply override
2376         version with special symbol version, ignoring previous version.
2377
2378 2011-07-05  Ian Lance Taylor  <iant@google.com>
2379
2380         * object.cc (Sized_relobj_file::include_section_group): Add
2381         information to comment about signature location.
2382
2383 2011-07-02  Ian Lance Taylor  <iant@google.com>
2384
2385         PR gold/12957
2386         * options.h (class General_options): Add -f and -F.
2387         * options.cc (General_options::finalize): Fatal error if -f/-F
2388         are used without -shared.
2389         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
2390
2391 2011-07-02  Ian Lance Taylor  <iant@google.com>
2392
2393         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
2394
2395 2011-07-01  Ian Lance Taylor  <iant@google.com>
2396
2397         PR gold/12525
2398         PR gold/12952
2399         * resolve.cc (Symbol::override_base_with_special): Don't override
2400         the version if the overriding symbol has a different name.
2401         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
2402         all callers.  If we give an error about an undefined version,
2403         define the base version if necessary.
2404         * dynobj.h (class Versions): Update declaration.
2405         * testsuite/weak_alias_test_5.cc: New file.
2406         * testsuite/weak_alias_test.script: New file.
2407         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
2408         and versioned_alias have the right value, and call t2.
2409         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
2410         weak_alias_test_5.so.
2411         (weak_alias_test_LDADD): Likewise.
2412         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
2413         * testsuite/Makefile.in: Rebuild.
2414
2415 2011-07-01  Ian Lance Taylor  <iant@google.com>
2416
2417         PR gold/12525
2418         * options.h (class General_options): Support -z notext.
2419         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
2420         -Wl,-z,notext.
2421         (two_file_shared_nonpic.so): Likewise.
2422         (two_file_shared_mixed.so): Likewise.
2423         (two_file_shared_mixed_1.so): Likewise.
2424         (weak_undef_lib_nonpic.so): Likewise.
2425         (alt/weak_undef_lib_nonpic.so): Likewise.
2426         (tls_test_shared_nonpic.so): Likewise.
2427         * testsuite/Makefile.in: Rebuild.
2428
2429 2011-07-01  Ian Lance Taylor  <iant@google.com>
2430
2431         PR gold/12525
2432         * configure.ac: Test whether static linking works, setting
2433         the automake conditional HAVE_STATIC.
2434         * testsuite/Makefile.am: Disable tests using -static if
2435         HAVE_STATIC is not true.
2436         * configure, testsuite/Makefile.in: Rebuild.
2437
2438 2011-07-01  Ian Lance Taylor  <iant@google.com>
2439
2440         PR gold/12525
2441         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
2442         Assert if we see DW_EH_PE_indirect.
2443         * target.h (Target::ehframe_datarel_base): New function.
2444         (Target::do_ehframe_datarel_base): New target function.
2445         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
2446         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
2447         function.
2448
2449 2011-07-01  Ian Lance Taylor  <iant@google.com>
2450
2451         PR gold/12571
2452         * options.h (class General_options): Add
2453         --ld-generated-unwind-info.
2454         * ehframe.cc (Fde::write): Add address parameter.  Change all
2455         callers.  If associated with PLT, fill in address and size.
2456         (Cie::set_output_offset): Only add merge mapping if there is an
2457         object.
2458         (Cie::write): Add address parameter.  Change all callers.
2459         (Eh_frame::add_ehframe_for_plt): New function.
2460         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
2461         input_offset_ fields into union u_, with new plt field.
2462         (Fde::Fde): Adjust for new union field.
2463         (Fde::Fde) [Output_data version]: New constructor.
2464         (Fde::add_mapping): Only add merge mapping if there is an object.
2465         (class Cie): Update declarations.
2466         (class Eh_frame): Declare add_ehframe_for_plt.
2467         * layout.cc (Layout::layout_eh_frame): Break out code into
2468         make_eh_frame_section, and call it.
2469         (Layout::make_eh_frame_section): New function.
2470         (Layout::add_eh_frame_for_plt): New function.
2471         * layout.h (class Layout): Update declarations.
2472         * merge.cc (Merge_map::add_mapping): Add assertion.
2473         * i386.cc: Include "dwarf.h".
2474         (class Output_data_plt_i386): Make first_plt_entry,
2475         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
2476         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
2477         and plt_eh_frame_fde.
2478         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
2479         boundary.  Call add_eh_frame_for_plt if appropriate.
2480         * x86_64.cc: Include "dwarf.h".
2481         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
2482         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
2483         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
2484         and plt_eh_frame_fde.
2485         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
2486         appropriate.
2487
2488 2011-06-29  Ian Lance Taylor  <iant@google.com>
2489
2490         PR gold/12629
2491         * object.cc (Sized_relobj_file::layout_section): Change shdr
2492         parameter to be const.
2493         (Sized_relobj_file::layout_eh_frame_section): New function, broken
2494         out of do_layout.
2495         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
2496         appropriate.  Call layout_eh_frame_section.
2497         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
2498         sections.
2499         * object.h (class Sized_relobj_file): Update declarations.
2500
2501 2011-06-29  Ian Lance Taylor  <iant@google.com>
2502
2503         PR gold/12652
2504         * script.cc (Token::integer_value): Accept trailing M/m/K/k
2505         modifier.
2506         (Lex::gather_token): Accept trailing M/m/K/k for integers.
2507
2508 2011-06-29  Ian Lance Taylor  <iant@google.com>
2509
2510         PR gold/12675
2511         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
2512         SHT_X86_64_UNWIND.
2513         * layout.cc (Layout::layout_eh_frame): Likewise.
2514
2515 2011-06-29  Ian Lance Taylor  <iant@google.com>
2516
2517         PR gold/12695
2518         * layout.cc (Layout::symtab_section_shndx): New function.
2519         * layout.h (class Layout): Declare symtab_section_shndx.
2520         * output.cc (Output_section::write_header): Call it.
2521
2522 2011-06-29  Ian Lance Taylor  <iant@google.com>
2523
2524         PR gold/12818
2525         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
2526         symbols which are not used in a relocation.
2527
2528 2011-06-28  Ian Lance Taylor  <iant@google.com>
2529
2530         PR gold/12898
2531         * layout.cc (Layout::segment_precedes): Don't crash if a linker
2532         script create indistinguishable segments.
2533         (Layout::set_segment_offsets): Use stable_sort when sorting
2534         segments.  Pass this to Compare_segments constructor.
2535         * layout.h (class Layout): Make segment_precedes non-static.
2536         (class Compare_segments): Change from struct to class.  Add
2537         layout_ field.  Add constructor.
2538         * script-sections.cc
2539         (Script_sections::attach_sections_using_phdrs_clause): Rename
2540         local orphan to is_orphan.  Don't report failure to put empty
2541         section in segment.  On attachment failure, report name of
2542         section, and attach to first PT_LOAD segment.
2543
2544 2011-06-28  Ian Lance Taylor  <iant@google.com>
2545
2546         PR gold/12934
2547         * target-select.cc (Target_selector::Target_selector): Add
2548         emulation parameter.  Change all callers.
2549         (select_target_by_bfd_name): Rename from select_target_by_name.
2550         Change all callers.
2551         (select_target_by_emulation): New function.
2552         (supported_emulation_names): New function.
2553         * target-select.h (class Target_selector): Add emulation_ field.
2554         Update declarations.
2555         (Target_selector::recognize_by_bfd_name): Rename from
2556         recognize_by_name.  Change all callers.
2557         (Target_selector::supported_bfd_names): Rename from
2558         supported_names.  Change all callers.
2559         (Target_selector::recognize_by_emulation): New function.
2560         (Target_selector::supported_emulations): New function.
2561         (Target_selector::emulation): New function.
2562         (Target_selector::do_recognize_by_bfd_name): Rename from
2563         do_recognize_by_name.  Change all callers.
2564         (Target_selector::do_supported_bfd_names): Rename from
2565         do_supported_names.  Change all callers.
2566         (Target_selector::do_recognize_by_emulation): New function.
2567         (Target_selector::do_supported_emulations): New function.
2568         (select_target_by_bfd_name): Change name in declaration.
2569         (select_target_by_emulation): Declare.
2570         (supported_emulation_names): Declare.
2571         * parameters.cc (parameters_force_valid_target): Try to find
2572         target based on emulation from -m option.
2573         * options.h (class General_options): Change doc string for -m.
2574         * options.cc (help): Print emulations.
2575         (General_options::parse_V): Likewise.
2576         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
2577         Add emulation parameter.  Change all callers.
2578
2579 2011-06-28  Ian Lance Taylor  <iant@google.com>
2580
2581         * target.h (class Target): Add osabi_ field.
2582         (Target::osabi): New function.
2583         (Target::set_osabi): New function.
2584         (Target::Target): Initialize osabi_.
2585         (Target::do_adjust_elf_header): Make pure virtual.
2586         (Sized_target::do_adjust_elf_header): Declare.
2587         * target.cc (Sized_target::do_adjust_elf_header): New function.
2588         (class Sized_target): Instantiate all versions.
2589         * freebsd.h (class Target_freebsd): Remove.
2590         (Target_selector_freebsd::do_recognize): Call set_osabi on
2591         Target.
2592         (Target_selector_freebsd::do_recognize_by_name): Likewise.
2593         (Target_selector_freebsd::set_osabi): Remove.
2594         * i386.cc (class Target_i386): Inherit from Sized_target rather
2595         than Target_freebsd.
2596         * x86_64.cc (class Target_x86_64): Likewise.
2597
2598 2011-06-28  Ian Lance Taylor  <iant@google.com>
2599
2600         * target.h (Target::can_check_for_function_pointers): Rewrite.
2601         Make non-virtual.
2602         (Target::can_icf_inline_merge_sections): Likewise.
2603         (Target::section_may_have_icf_unsafe_poineters): Likewise.
2604         (Target::Target_info): Add can_icf_inline_merge_sections field.
2605         (Target::do_can_check_for_function_pointers): New virtual
2606         function.
2607         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
2608         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
2609         from can_check_for_function_pointers, move in file.
2610         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
2611         section_may_have_icf_unsafe_poineters, move in file.
2612         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
2613         * i386.cc (Target_i386::do_can_check_for_function_pointers):
2614         Rename from can_check_for_function_pointers, move in file.
2615         (Target_i386::can_icf_inline_merge_sections): Remove.
2616         (Target_i386::i386_info): Initialize
2617         can_icf_inline_merge_sections.
2618         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
2619         Initialize can_icf_inline_merge_sections.
2620         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
2621         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
2622         Rename from can_check_for_function_pointers, move in file.
2623         (Target_x86_64::can_icf_inline_merge_sections): Remove.
2624         (Target_x86_64::x86_64_info): Initialize
2625         can_icf_inline_merge_sections.
2626         * testsuite/testfile.cc (Target_test::test_target_info):
2627         Likewise.
2628         * icf.cc (get_section_contents): Correct formatting.
2629
2630 2011-06-27  Ian Lance Taylor  <iant@google.com>
2631
2632         * symtab.cc (Symbol::versioned_name): New function.
2633         (Symbol_table::add_to_final_symtab): Use versioned_name when
2634         appropriate.
2635         (Symbol_table::sized_write_symbol): Likewise.
2636         * symtab.h (class Symbol): Declare versioned_name.
2637         * stringpool.h (class Stringpool_template): Add variant of add
2638         which takes a std::basic_string.
2639         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
2640         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
2641         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
2642         (ver_test_12.o): New target.
2643         * testsuite/Makefile.in: Rebuild.
2644
2645 2011-06-27  Doug Kwan  <dougkwan@google.com>
2646
2647         * arm.cc (Arm_relocate_functions::thm_jump8,
2648         Arm_relocate_functions::thm_jump11): Use a wider signed
2649         type to compute offset.
2650         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
2651         arm_thm_jump8.
2652         * testsuite/Makefile.in: Regenerate.
2653         * testsuite/arm_branch_in_range.sh: Check test results of
2654         arm_thm_jump11 and arm_thm_jump8.
2655         * testsuite/arm_thm_jump11.s: New test source file.
2656         * testsuite/arm_thm_jump11.t: New linker script.
2657         * testsuite/arm_thm_jump8.s: New test source file.
2658         * testsuite/arm_thm_jump8.t: New linker script.
2659
2660 2011-06-24  Ian Lance Taylor  <iant@google.com>
2661
2662         * layout.cc: Include "object.h".
2663         (ctors_sections_in_init_array): New static variable.
2664         (Layout::is_ctors_in_init_array): New function.
2665         (Layout::layout): Add entry to ctors_sections_in_init_array if
2666         appropriate.
2667         * layout.h (class Layout): Declare is_ctors_in_init_array.
2668         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
2669         is_ctors_reverse_view is set.
2670         (Sized_relobj_file::write_sections): Add layout parameter.  Change
2671         all callers.  Set is_ctors_reverse_view field of View_size.
2672         (Sized_relobj_file::reverse_words): New function.
2673         * object.h (Sized_relobj_file::View_size): Add
2674         is_ctors_reverse_view field.
2675         (class Sized_relobj_file): Update declarations.
2676         * testsuite/initpri3.c: New test.
2677         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
2678         initpri3b.
2679         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
2680         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
2681         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
2682         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
2683         * testsuite/Makefile.in: Rebuild.
2684
2685 2011-06-24  Cary Coutant  <ccoutant@google.com>
2686
2687         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
2688         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
2689         (debug_msg_cdebug.err): New targets.
2690         * testsuite/Makefile.in: Regenerate.
2691         * testsuite/debug_msg.sh: Check output of link with compressed debug.
2692         Fix checks for link with shared library.
2693
2694 2011-06-24  Doug Kwan  <dougkwan@google.com>
2695
2696         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
2697         skip empty text sections.
2698         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
2699
2700 2011-06-22  Ian Lance Taylor  <iant@google.com>
2701
2702         PR gold/12910
2703         * options.h (class General_options): Add --ctors-in-init-array.
2704         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
2705         friends as SHT_PROGBITS for merging sections.
2706         (Layout::layout): Remove special handling of .init_array and
2707         friends.  Don't sort if doing relocatable link.  Sort for .ctors
2708         and .dtors if ctors_in_init_array.
2709         (Layout::make_output_section): Force correct section types for
2710         .init_array and friends.  Don't sort if doing relocatable link,
2711         Don't sort .ctors and .dtors if ctors_in_init_array.
2712         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
2713         (Layout::output_section_name): Add relobj parameter.  Change all
2714         callers.  Handle .ctors. and .dtors. in code rather than table.
2715         Handle .ctors and .dtors if ctors_in_init_array.
2716         (Layout::match_file_name): New function, moved from output.cc.
2717         * layout.h (class Layout): Update declarations.
2718         * output.cc: Include "layout.h".
2719         (Input_section_sort_entry::get_priority): New function.
2720         (Input_section_sort_entry::match_file_name): Just call
2721         Layout::match_file_name.
2722         (Output_section::Input_section_sort_init_fini_compare::operator()):
2723         Handle .ctors and .dtors.  Sort by explicit priority rather than
2724         by name.
2725         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
2726         * testsuite/initpri2.c: New test.
2727         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
2728         (check_PROGRAMS): Add initpri2.
2729         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
2730         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
2731         * configure, testsuite/Makefile.in: Rebuild.
2732
2733 2011-06-19  Ian Lance Taylor  <iant@google.com>
2734
2735         PR gold/12880
2736         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
2737         .interp section to a PT_INTERP segment even if we have seen a
2738         --dynamic-linker option.  Don't do it if we have seen a PHDRS
2739         clause in a linker script.
2740         (Layout::finalize): Don't create a .interp section if we've
2741         already create a PT_INTERP segment.
2742         (Layout::create_interp): Always call choose_output_section (revert
2743         patch of 2011-06-17).  Don't create PT_INTERP segment.
2744         * script-sections.cc
2745         (Script_sections::create_note_and_tls_segments): Add a .interp
2746         section to a PT_INTERP segment even if we have seen a
2747         --dynamic-linker option.
2748
2749 2011-06-18  Ian Lance Taylor  <iant@google.com>
2750
2751         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
2752         merely because a non-PT_LOAD segment has a dynamic reloc.
2753
2754 2011-06-18  Ian Lance Taylor  <iant@google.com>
2755
2756         * layout.cc (Layout::finish_dynamic_section): Don't create
2757         DT_FLAGS entry if not needed.
2758
2759 2011-06-18  Ian Lance Taylor  <iant@google.com>
2760
2761         PR gold/12745
2762         * layout.cc (Layout::layout_eh_frame): Correct handling of
2763         writable .eh_frame section.
2764
2765 2011-06-17  Ian Lance Taylor  <iant@google.com>
2766
2767         PR gold/12893
2768         * resolve.cc (Symbol_table::resolve): Don't give an error if a
2769         symbol is redefined with the exact same object and value.
2770
2771 2011-06-17  Ian Lance Taylor  <iant@google.com>
2772
2773         PR gold/12880
2774         * layout.h (class Layout): Add interp_segment_ field.
2775         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
2776         (Layout::attach_allocated_section_to_segment): If making shared
2777         library, put .interp section in PT_INTERP segment.
2778         (Layout::finalize): Also call create_interp if -dynamic-linker
2779         option was used.
2780         (Layout::create_interp): Assert that there is no PT_INTERP
2781         segment.  If not using a SECTIONS clause, use make_output_section.
2782         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
2783         * script-sections.cc
2784         (Script_sections::create_note_and_tls_segments): If making shared
2785         library, put .interp section in PT_INTERP segment.
2786
2787 2011-06-17  Ian Lance Taylor  <iant@google.com>
2788
2789         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
2790         when making a shared library.
2791
2792 2011-06-17  Ian Lance Taylor  <iant@google.com>
2793
2794         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
2795         parameter.  Change all callers.  Don't issue warning about PC32
2796         against locally defined symbol.
2797
2798 2011-06-16  Ian Lance Taylor  <iant@google.com>
2799
2800         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
2801         occurs in same object.
2802
2803 2011-06-14  Alan Modra  <amodra@gmail.com>
2804
2805         * po/POTFILES.in: Regenerate.
2806
2807 2011-06-09  Ian Lance Taylor  <iant@google.com>
2808
2809         * script-sections.cc
2810         (Orphan_output_section::set_section_addresses): For a relocatable
2811         link set address to 0.
2812
2813 2011-06-09  Cary Coutant  <ccoutant@google.com>
2814
2815         PR gold/12804
2816         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
2817         used with --compress-debug-sections.
2818         * gold/object.cc (Sized_relobj_file::do_layout): Report
2819         uncompressed size of compressed input sections.
2820
2821 2011-06-08  Cary Coutant  <ccoutant@google.com>
2822
2823         PR gold/12804
2824         * testsuite/two_file_test_2_v1.cc: Change initialization of
2825         v2 to keep it in .data.
2826
2827 2011-06-07  Cary Coutant  <ccoutant@google.com>
2828
2829         * common.cc (Symbol_table::do_allocate_commons_list): Call
2830         gold_fallback.
2831         * errors.cc (Errors::fatal): Adjust call to gold_exit.
2832         (Errors::fallback): New function.
2833         (gold_fallback): New function.
2834         * errors.h (Errors::fallback): New function.
2835         * gold.cc (gold_exit): Change status parameter to enum; adjust
2836         all callers.
2837         (queue_initial_tasks): Call gold_fallback.
2838         * gold.h: Include cstdlib.
2839         (Exit_status): New enum type.
2840         (gold_exit): Change status parameter to enum.
2841         (gold_fallback): New function.
2842         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
2843         (Layout::create_symtab_sections): Likewise.
2844         (Layout::create_shdrs): Likewise.
2845         * main.cc (main): Adjust call to gold_exit.
2846         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
2847         (Output_data_got::add_got_entry_pair): Likewise.
2848         (Output_section::add_input_section): Likewise.
2849         (Output_section::add_output_section_data): Likewise.
2850         (Output_segment::set_section_list_addresses): Likewise.
2851         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
2852
2853 2011-06-07  Cary Coutant  <ccoutant@google.com>
2854
2855         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
2856         for incremental links.
2857         * output.cc (Output_segment::set_section_list_addresses): Remove
2858         FIXME and test for TLS or BSS.
2859
2860 2011-06-07  Cary Coutant  <ccoutant@google.com>
2861
2862         * testsuite/Makefile.am: Add incremental_copy_test,
2863         incremental_common_test_1.
2864         * testsuite/Makefile.in: Regenerate.
2865         * testsuite/common_test_1_v1.c: New source file.
2866         * testsuite/common_test_1_v2.c: New source file.
2867         * testsuite/copy_test_v1.cc: New source file.
2868
2869 2011-06-07  Cary Coutant  <ccoutant@google.com>
2870
2871         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
2872         update, allocate common from bss section's free list.
2873         * incremental-dump.cc (dump_incremental_inputs): Print flag for
2874         linker-defined symbols.
2875         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
2876         Skip GOT and PLT entries that are no longer referenced.
2877         (Output_section_incremental_inputs::write_info_blocks): Mark
2878         linker-defined symbols.
2879         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
2880         * output.cc (Output_section::allocate): New function.
2881         * output.h (Output_section::allocate): New function.
2882         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
2883         linker-defined symbols.
2884         (Symbol::override_base_with_special): Copy is_predefined_ flag.
2885         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
2886         (Symbol::init_base_output_data): Likewise.
2887         (Symbol::init_base_output_segment): Likewise.
2888         (Symbol::init_base_constant): Likewise.
2889         (Sized_symbol::init_output_data): Likewise.
2890         (Sized_symbol::init_output_segment): Likewise.
2891         (Sized_symbol::init_constant): Likewise.
2892         (Symbol_table::do_define_in_output_data): Likewise.
2893         (Symbol_table::do_define_in_output_segment): Likewise.
2894         (Symbol_table::do_define_as_constant): Likewise.
2895         * symtab.h (Symbol::is_predefined): New function.
2896         (Symbol::init_base_output_data): Add is_predefined parameter.
2897         (Symbol::init_base_output_segment): Likewise.
2898         (Symbol::init_base_constant): Likewise.
2899         (Symbol::is_predefined_): New data member.
2900         (Sized_symbol::init_output_data): Add is_predefined parameter.
2901         (Sized_symbol::init_output_segment): Likewise.
2902         (Sized_symbol::init_constant): Likewise.
2903         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
2904
2905 2011-06-07  Cary Coutant  <ccoutant@google.com>
2906
2907         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
2908         instead of emit_copy_reloc.
2909         (Copy_relocs::emit_copy_reloc): Refactor.
2910         (Copy_relocs::make_copy_reloc): New function.
2911         (Copy_relocs::add_copy_reloc): Remove.
2912         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
2913         section.
2914         (Copy_relocs::make_copy_reloc): New function.
2915         (Copy_relocs::add_copy_reloc): Remove.
2916         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
2917         unchanged input files.
2918         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
2919         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
2920         Reserve BSS space for COPY relocations.
2921         (Sized_incremental_binary::do_emit_copy_relocs): New function.
2922         (Output_section_incremental_inputs::write_info_blocks): Record
2923         whether a symbol is copied from a shared object.
2924         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
2925         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
2926         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
2927         (Incremental_input_entry_reader::get_output_symbol_index): Add
2928         is_copy parameter.
2929         (Incremental_binary::emit_copy_relocs): New function.
2930         (Incremental_binary::do_emit_copy_relocs): New function.
2931         (Sized_incremental_binary::Sized_incremental_binary): Initialize
2932         new data member.
2933         (Sized_incremental_binary::add_copy_reloc): New function.
2934         (Sized_incremental_binary::do_emit_copy_relocs): New function.
2935         (Sized_incremental_binary::Copy_reloc): New struct.
2936         (Sized_incremental_binary::Copy_relocs): New typedef.
2937         (Sized_incremental_binary::copy_relocs_): New data member.
2938         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
2939         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
2940         * target.h (Sized_target::emit_copy_reloc): New function.
2941         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
2942
2943 2011-06-02  Cary Coutant  <ccoutant@google.com>
2944
2945         PR gold/12163
2946         * gold/archive.cc (Archive::Archive): Initialize new data member.
2947         (Archive::include_all_members): Return if archive has already been
2948         included.
2949         * gold/archive.h (Archive::include_all_members_): New data member.
2950
2951 2011-06-02  Nick Clifton  <nickc@redhat.com>
2952
2953         * dynobj.h: Fix spelling mistake in comment.
2954         * output.cc: Likewise.
2955
2956 2011-05-31  Doug Kwan  <dougkwan@google.com>
2957             Asier Llano
2958
2959         PR gold/12826
2960         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
2961         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
2962         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
2963         redundant arm_exidx_test.so.
2964         * testsuite/Makefile.in: Regenerate.
2965         (check_SCRIPTS): Add pr12826.sh
2966         (check_DATA): Add pr12826.stdout
2967         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
2968         * testsuite/pr12826.sh: New file.
2969         * testsuite/pr12826_1.s: Ditto.
2970         * testsuite/pr12826_1.s: Ditto.
2971
2972 2011-05-30  Ian Lance Taylor  <iant@google.com>
2973
2974         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
2975         sections.
2976
2977 2011-05-29  Ian Lance Taylor  <iant@google.com>
2978
2979         PR gold/12804
2980         * testsuite/Makefile.am: Use different file name for two_file_test
2981         temporary file for each incremental test.
2982         * testsuite/Makefile.in: Rebuild.
2983
2984 2011-05-29  Ian Lance Taylor  <iant@google.com>
2985
2986         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
2987         binary input file is empty.
2988
2989 2011-05-27  Ian Lance Taylor  <iant@google.com>
2990
2991         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
2992         (ver_test_9.so): Likewise.
2993         * testsuite/Makefile.in: Rebuild.
2994
2995 2011-05-26 Cary Coutant  <ccoutant@google.com>
2996
2997         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
2998         * incremental.cc (Incremental_inputs::report_input_section): Fix
2999         comment, indentation.
3000         (Incremental_inputs::report_comdat_group): New function.
3001         (Output_section_incremental_inputs::set_final_data_size): Adjust size
3002         of data for incremental input file entry.
3003         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
3004         group count, COMDAT group signatures.
3005         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
3006         an unchanged input file.
3007         * incremental.h (Incremental_object_entry::Incremental_object_entry):
3008         Initialize new data member.
3009         (Incremental_object_entry::add_comdat_group): New function.
3010         (Incremental_object_entry::get_comdat_group_count): New function.
3011         (Incremental_object_entry::get_comdat_signature_key): New function.
3012         (Incremental_object_entry::groups_): New data member.
3013         (Incremental_inputs::report_comdat_group): New function.
3014         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
3015         data for incremental input file entry.
3016         (Incremental_input_entry_reader::get_comdat_group_count): New function.
3017         (Incremental_input_entry_reader::get_input_section): Adjust size of
3018         data for incremental input file entry.
3019         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
3020         (Incremental_input_entry_reader::get_comdat_group_signature): New
3021         function.
3022         * object.cc (Sized_relobj::include_section_group): Report kept
3023         COMDAT groups for incremental links.
3024
3025 2011-05-24  David Meyer  <pdox@google.com>
3026
3027         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
3028         with name parameter.  Add found_name parameter.
3029         * fileread.cc (Input_file::find_file): Adjust code accordingly.
3030         * dirsearch.h (class Dirsearch): Update declaration.
3031
3032 2011-05-24  Ian Lance Taylor  <iant@google.com>
3033
3034         * archive.cc (Library_base::should_include_member): Pull in object
3035         from archive if it defines the entry symbol.
3036         * parameters.cc (Parameters::entry): New function.
3037         * parameters.h (class Parameters): Declare entry.
3038         * output.h (class Output_file_header): Remove entry_ field.
3039         * output.cc (Output_file_header::Output_file_header): Remove entry
3040         parameter.  Change all callers.
3041         (Output_file_header::entry): Use parameters->entry.
3042         * gold.cc (queue_middle_tasks): Likewise.
3043         * plugin.cc (Plugin_hook::run): Likewise.
3044
3045 2011-05-24 Cary Coutant  <ccoutant@google.com>
3046
3047         * gold.cc (queue_initial_tasks): Pass incremental base filename
3048         to Output_file::open_base_file; don't print error message.
3049         * incremental-dump.cc (main): Adjust call to
3050         Output_file::open_for_modification.
3051         * incremental-dump.cc (main): Likewise.
3052         * incremental.cc (Incremental_inputs::report_command_line):
3053         Ignore --incremental-base option when comparing command lines.
3054         Ignore parameter when given as separate argument.
3055         * options.h (class General_options): Add --incremental-base.
3056         * output.cc (Output_file::Output_file):
3057         (Output_file::open_base_file): Add base_name and writable parameters;
3058         read base file into new file; print error message here.
3059         (Output_file::map_no_anonymous): Add writable parameter; adjust all
3060         callers.
3061         * output.h (Output_file::open_for_modification): Rename to...
3062         (Output_file::open_base_file): ...this; add base_name and
3063         writable parameters; adjust all callers.
3064         (Output_file::map_no_anonymous): Add writable parameter; adjust all
3065         callers.
3066         * testsuite/Makefile.am (incremental_test_4): Test
3067         --incremental-base.
3068         * testsuite/Makefile.in: Regenerate.
3069
3070 2011-05-24 Cary Coutant  <ccoutant@google.com>
3071
3072         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
3073         incremental_test_4.
3074         * testsuite/Makefile.in: Regenerate.
3075         * testsuite/two_file_test_1_v1.cc: New test source file.
3076         * testsuite/two_file_test_1b_v1.cc: New test source file.
3077         * testsuite/two_file_test_2_v1.cc: New test source file.
3078
3079 2011-05-24 Cary Coutant  <ccoutant@google.com>
3080
3081         * dynobj.h (Dynobj::do_dynobj): New function.
3082         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
3083         flag and soname for shared objects.
3084         * incremental.cc (Incremental_inputs::report_object): Make
3085         either Incremental_object_entry or Incremental_dynobj_entry; add
3086         soname to string table.
3087         (Incremental_inputs::report_input_section): Add assertion.
3088         (Output_section_incremental_inputs::set_final_data_size): Adjust
3089         type of input file entry for shared libraries; adjust size of
3090         shared library info entry.
3091         (Output_section_incremental_inputs::write_input_files): Write
3092         as_needed flag for shared libraries.
3093         (Output_section_incremental_inputs::write_info_blocks): Adjust type
3094         of input file entry for shared libraries; write soname.
3095         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
3096         soname from incremental info.
3097         * incremental.h (enum Incremental_input_flags): Add
3098         INCREMENTAL_INPUT_AS_NEEDED.
3099         (Incremental_input_entry::Incremental_input_entry): Initialize new
3100         data member.
3101         (Incremental_input_entry::set_as_needed): New function.
3102         (Incremental_input_entry::as_needed): New function.
3103         (Incremental_input_entry::do_dynobj_entry): New function.
3104         (Incremental_input_entry::as_needed_): New data member.
3105         (Incremental_object_entry::Incremental_object_entry): Don't check
3106         for shared library.
3107         (Incremental_object_entry::do_type): Likewise.
3108         (class Incremental_dynobj_entry): New class.
3109         (Incremental_input_entry_reader::as_needed): New function.
3110         (Incremental_input_entry_reader::get_soname): New function.
3111         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
3112         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
3113         size of shared library info entry.
3114         * layout.cc (Layout::finish_dynamic_section): Don't test for
3115         incremental link when adding DT_NEEDED entries.
3116         * object.h (Object::Object): Initialize new data member.
3117         (Object::dynobj): New function.
3118         (Object::set_as_needed): New function.
3119         (Object::as_needed): New function.
3120         (Object::do_dynobj): New function.
3121         (Object::as_needed_): New data member.
3122
3123 2011-05-24 Cary Coutant  <ccoutant@google.com>
3124
3125         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
3126         info; adjust display of GOT entries.
3127         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
3128         vector of input objects; remove file_status_.
3129         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
3130         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
3131         got_plt reader; call target hooks to reserve GOT entries.
3132         (Output_section_incremental_inputs::set_final_data_size): Adjust size
3133         of input file info header and GOT info entry.
3134         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
3135         relocation info.
3136         (Got_plt_view_info::got_descriptor): Remove.
3137         (Got_plt_view_info::sym_index): New data member.
3138         (Got_plt_view_info::input_index): New data member.
3139         (Local_got_offset_visitor::visit): Write input file index.
3140         (Global_got_offset_visitor::visit): Write 0 for input file index.
3141         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
3142         with sym_index and input_index.
3143         (Output_section_incremental_inputs::write_got_plt): Adjust size of
3144         incremental info GOT entry; replace got_descriptor with input_index.
3145         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
3146         map from input file index to object.
3147         (Sized_relobj_incr::do_layout): Replace direct data member reference
3148         with accessor function.
3149         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
3150         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
3151         Adjust size of input file info header.
3152         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
3153         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
3154         (Incremental_input_entry_reader::get_input_section): Adjust size of
3155         input file info header.
3156         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
3157         of incremental info GOT entry.
3158         (Incremental_got_plt_reader::get_got_desc): Remove.
3159         (Incremental_got_plt_reader::get_got_symndx): New function.
3160         (Incremental_got_plt_reader::get_got_input_index): New function.
3161         (Sized_incremental_binary::Sized_incremental_binary): Remove
3162         file_status_; add input_objects_.
3163         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
3164         (Sized_incremental_binary::set_file_is_unchanged): Remove.
3165         (Sized_incremental_binary::file_is_unchanged): Remove.
3166         (Sized_incremental_binary::set_input_object): New function.
3167         (Sized_incremental_binary::input_object): New function.
3168         (Sized_incremental_binary::file_status_): Remove.
3169         (Sized_incremental_binary::input_objects_): New data member.
3170         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
3171         references.
3172         (Sized_relobj_incr::invalid_address): Move to base class.
3173         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
3174         class.
3175         (Sized_relobj_incr::do_output_section_offset): Likewise.
3176         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
3177         (Sized_relobj_incr::section_offsets_): Likewise.
3178         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
3179         function.
3180         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
3181         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
3182         with accessor function.
3183         (Sized_relobj_file::do_layout): Likewise.
3184         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
3185         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
3186         (Sized_relobj_file::compute_final_local_value): Replace refs to
3187         section_offsets_ with accessor function.
3188         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
3189         * object.h (Relobj::Relobj): Initialize new data members.
3190         (Relobj::add_dyn_reloc): New function.
3191         (Relobj::first_dyn_reloc): New function.
3192         (Relobj::dyn_reloc_count): New function.
3193         (Relobj::first_dyn_reloc_): New data member.
3194         (Relobj::dyn_reloc_count_): New data member.
3195         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
3196         references.
3197         (Sized_relobj::Address): New typedef.
3198         (Sized_relobj::invalid_address): Move here from child class.
3199         (Sized_relobj::Sized_relobj): Initialize new data members.
3200         (Sized_relobj::sized_relobj): New function.
3201         (Sized_relobj::is_output_section_offset_invalid): Move here from
3202         child class.
3203         (Sized_relobj::get_output_section_offset): Likewise.
3204         (Sized_relobj::local_has_got_offset): Likewise.
3205         (Sized_relobj::local_got_offset): Likewise.
3206         (Sized_relobj::set_local_got_offset): Likewise.
3207         (Sized_relobj::do_for_all_local_got_entries): Likewise.
3208         (Sized_relobj::clear_got_offsets): New function.
3209         (Sized_relobj::section_offsets): Move here from child class.
3210         (Sized_relobj::do_output_section_offset): Likewise.
3211         (Sized_relobj::do_set_section_offset): Likewise.
3212         (Sized_relobj::Local_got_offsets): Likewise.
3213         (Sized_relobj::local_got_offsets_): Likewise.
3214         (Sized_relobj::section_offsets_): Likewise.
3215         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
3216         references.
3217         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
3218         class.
3219         (Sized_relobj_file::sized_relobj): New function
3220         (Sized_relobj_file::local_has_got_offset): Move to base class.
3221         (Sized_relobj_file::local_got_offset): Likewise.
3222         (Sized_relobj_file::set_local_got_offset): Likewise.
3223         (Sized_relobj_file::get_output_section_offset): Likewise.
3224         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
3225         (Sized_relobj_file::do_output_section_offset): Likewise.
3226         (Sized_relobj_file::do_set_section_offset): Likewise.
3227         (Sized_relobj_file::Local_got_offsets): Likewise.
3228         (Sized_relobj_file::local_got_offsets_): Likewise.
3229         (Sized_relobj_file::section_offsets_): Likewise.
3230         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
3231         (all constructors).
3232         (set_needs_dynsym_index): Convert relobj to derived class pointer.
3233         (Output_reloc::get_symbol_index): Likewise.
3234         (Output_reloc::local_section_offset): Likewise.
3235         (Output_reloc::get_address): Likewise.
3236         (Output_reloc::symbol_value): Likewise.
3237         (Output_data_got::reserve_slot): Move to class definition.
3238         (Output_data_got::reserve_local): New function.
3239         (Output_data_got::reserve_slot_for_global): Remove.
3240         (Output_data_got::reserve_global): New function.
3241         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
3242         (all constructors, two instantiations).
3243         (Output_reloc::get_relobj): New function (two instantiations).
3244         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
3245         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
3246         (Output_data_reloc::add_global): Adjust type of relobj.
3247         (Output_data_reloc::add_global_relative): Likewise.
3248         (Output_data_reloc::add_symbolless_global_addend): Likewise.
3249         (Output_data_reloc::add_local): Likewise.
3250         (Output_data_reloc::add_local_relative): Likewise.
3251         (Output_data_reloc::add_symbolless_local_addend): Likewise.
3252         (Output_data_reloc::add_local_section): Likewise.
3253         (Output_data_reloc::add_output_section): Likewise.
3254         (Output_data_reloc::add_absolute): Likewise.
3255         (Output_data_reloc::add_target_specific): Likewise.
3256         (Output_data_got::reserve_slot): Move definition here.
3257         (Output_data_got::reserve_local): New function.
3258         (Output_data_got::reserve_global): New function.
3259         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
3260         section_offsets_ with accessor function.
3261         (Sized_relobj_file::write_sections): Likewise.
3262         (Sized_relobj_file::do_relocate_sections): Likewise.
3263         * target.h (Sized_target::reserve_local_got_entry): New function.
3264         (Sized_target::reserve_global_got_entry): New function.
3265         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
3266         (Target_x86_64::reserve_global_got_entry): New function.
3267         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
3268
3269 2011-05-23 Cary Coutant  <ccoutant@google.com>
3270
3271         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
3272         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
3273         bit when checking got_type.
3274         * incremental.cc (Sized_incremental_binary::setup_readers):
3275         Store symbol table and string table locations; initialize bit vector
3276         of file status flags.
3277         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
3278         unchanged files.
3279         (Sized_incremental_binary::do_process_got_plt): New function.
3280         (Sized_incremental_binary::get_symtab_view): Use stored locations.
3281         (Output_section_incremental_inputs::set_final_data_size): Record
3282         file index for each input file.
3283         (Output_section_incremental_inputs::write_got_plt): Store file index
3284         instead of input entry offset for each GOT entry.
3285         * incremental.h
3286         (Incremental_input_entry::Incremental_input_entry): Initialize new
3287         data member.
3288         (Incremental_input_entry::set_offset): Store file index.
3289         (Incremental_input_entry::get_file_index): New function.
3290         (Incremental_input_entry::file_index_): New data member.
3291         (Incremental_binary::process_got_plt): New function.
3292         (Incremental_binary::do_process_got_plt): New function.
3293         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
3294         data members.
3295         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
3296         (Sized_incremental_binary::set_file_is_unchanged): New function.
3297         (Sized_incremental_binary::file_is_unchanged): New function.
3298         (Sized_incremental_binary::do_process_got_plt): New function.
3299         (Sized_incremental_binary::file_status_): New data member.
3300         (Sized_incremental_binary::main_symtab_loc_): New data member.
3301         (Sized_incremental_binary::main_strtab_loc_): New data member.
3302         * output.cc (Output_data_got::Got_entry::write): Add case
3303         RESERVED_CODE.
3304         (Output_data_got::add_global): Call add_got_entry.
3305         (Output_data_got::add_global_plt): Likewise.
3306         (Output_data_got::add_global_with_rel): Likewise.
3307         (Output_data_got::add_global_with_rela): Likewise.
3308         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
3309         (Output_data_got::add_global_pair_with_rela): Likewise.
3310         (Output_data_got::add_local): Call add_got_entry.
3311         (Output_data_got::add_local_plt): Likewise.
3312         (Output_data_got::add_local_with_rel): Likewise.
3313         (Output_data_got::add_local_with_rela): Likewise.
3314         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
3315         (Output_data_got::add_local_pair_with_rela): Likewise.
3316         (Output_data_got::reserve_slot): New function.
3317         (Output_data_got::reserve_slot_for_global): New function.
3318         (Output_data_got::add_got_entry): New function.
3319         (Output_data_got::add_got_entry_pair): New function.
3320         (Output_section::add_output_section_data): Edit FIXME.
3321         * output.h
3322         (Output_section_data_build::Output_section_data_build): New
3323         constructor with size parameter.
3324         (Output_data_space::Output_data_space): Likewise.
3325         (Output_data_got::Output_data_got): Initialize new data member; new
3326         constructor with size parameter.
3327         (Output_data_got::add_constant): Call add_got_entry.
3328         (Output_data_got::reserve_slot): New function.
3329         (Output_data_got::reserve_slot_for_global): New function.
3330         (class Output_data_got::Got_entry): Add RESERVED_CODE.
3331         (Output_data_got::add_got_entry): New function.
3332         (Output_data_got::add_got_entry_pair): New function.
3333         (Output_data_got::free_list_): New data member.
3334         * target.h (Sized_target::init_got_plt_for_update): New function.
3335         (Sized_target::register_global_plt_entry): New function.
3336         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
3337         Initialize new data member; call init; add constructor with PLT count.
3338         (Output_data_plt_x86_64::init): New function.
3339         (Output_data_plt_x86_64::add_relocation): New function.
3340         (Output_data_plt_x86_64::reserve_slot): New function.
3341         (Output_data_plt_x86_64::free_list_): New data member.
3342         (Target_x86_64::init_got_plt_for_update): New function.
3343         (Target_x86_64::register_global_plt_entry): New function.
3344         (Output_data_plt_x86_64::add_entry): Allocate from free list for
3345         incremental updates.
3346         (Output_data_plt_x86_64::add_relocation): New function.
3347         * testsuite/object_unittest.cc (Object_test): Set default options.
3348
3349 2011-05-16  Ian Lance Taylor  <iant@google.com>
3350
3351         * options.h (class General_options): Make -i a synonym for -r.
3352
3353 2011-05-16  Ian Lance Taylor  <iant@google.com>
3354
3355         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
3356
3357 2011-05-10 Cary Coutant  <ccoutant@google.com>
3358
3359         * object.cc (Sized_relobj::do_count_local_symbols): Check for
3360         strip_all (-s).
3361
3362 2011-05-06  Ian Lance Taylor  <iant@google.com>
3363
3364         * layout.cc (Layout::layout): If the output section flags change,
3365         update the ordering.
3366
3367 2011-04-25 Cary Coutant  <ccoutant@google.com>
3368
3369         * incremental-dump.cc (dump_incremental_inputs): Print local
3370         symbol info for each input file.
3371         * incremental.cc
3372         (Output_section_incremental_inputs::set_final_data_size): Add local
3373         symbol info to input file entries in incremental info.
3374         (Output_section_incremental_inputs::write_info_blocks): Likewise.
3375         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
3376         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
3377         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
3378         implementation.
3379         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
3380         (Sized_incr_relobj::do_relocate): Write the local symbols.
3381         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
3382         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
3383         Adjust size of input file header.
3384         (Incremental_inputs_reader::get_local_symbol_offset): New function.
3385         (Incremental_inputs_reader::get_local_symbol_count): New function.
3386         (Incremental_inputs_reader::get_input_section): Adjust size of input
3387         file header.
3388         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
3389         (Sized_incr_relobj::This): New typedef.
3390         (Sized_incr_relobj::sym_size): New const data member.
3391         (Sized_incr_relobj::Local_symbol): New struct.
3392         (Sized_incr_relobj::do_output_local_symbol_count): New function.
3393         (Sized_incr_relobj::do_local_symbol_offset): New function.
3394         (Sized_incr_relobj::local_symbol_count_): New data member.
3395         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
3396         (Sized_incr_relobj::local_symbol_index_): New data member.
3397         (Sized_incr_relobj::local_symbol_offset_): New data member.
3398         (Sized_incr_relobj::local_dynsym_offset_): New data member.
3399         (Sized_incr_relobj::local_symbols_): New data member.
3400         * object.h (Relobj::output_local_symbol_count): New function.
3401         (Relobj::local_symbol_offset): New function.
3402         (Relobj::do_output_local_symbol_count): New function.
3403         (Relobj::do_local_symbol_offset): New function.
3404         (Sized_relobj::do_output_local_symbol_count): New function.
3405         (Sized_relobj::do_local_symbol_offset): New function.
3406
3407 2011-04-22  Vladimir Simonov  <sv@sw.ru>
3408
3409         * descriptors.cc (set_close_on_exec): New function.
3410         (Descriptors::open): Use set_close_on_exec.
3411         * output.cc (S_ISLNK): Define if not defined.
3412
3413 2011-04-22 Cary Coutant  <ccoutant@google.com>
3414
3415         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
3416         global symbol map.
3417         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
3418         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
3419         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
3420         relocations.
3421         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
3422         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
3423         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
3424         * incremental.h
3425         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
3426         function.
3427         (Incremental_binary::apply_incremental_relocs): New function.
3428         (Incremental_binary::do_apply_incremental_relocs): New function.
3429         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
3430         data member.
3431         (Sized_incremental_binary::add_global_symbol): New function.
3432         (Sized_incremental_binary::global_symbol): New function.
3433         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
3434         (Sized_incremental_binary::symbol_map_): New data member.
3435         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
3436         * target.h (Sized_target::apply_relocation): New function.
3437         * target-reloc.h (apply_relocation): New function.
3438         * x86_64.cc (Target_x86_64::apply_relocation): New function.
3439
3440 2011-04-22  Doug Kwan  <dougkwan@google.com>
3441
3442         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
3443         flag of a SHT_ARM_EXIDX section.
3444         * testsuite/Makefile.am (arm_exidx_test): New test rules.
3445         * testsuite/Makefile.in: Regenerate.
3446         * testsuite/arm_exidx_test.s: New file.
3447         * testsuite/arm_exidx_test.sh: Same.
3448
3449 2011-04-20 Cary Coutant  <ccoutant@google.com>
3450
3451         PR gold/12689
3452         * archive.h (Incremental_archive_entry::Archive_member):
3453         Initialize arg_serial_ (second constructor).
3454
3455 2011-04-17  Ian Lance Taylor  <iant@google.com>
3456
3457         * object.cc (Relocate_info::location): Simplify location string.
3458         * errors.cc (Errors::error_at_location): Don't print program
3459         name.
3460         (Errors::warning_at_location): Likewise.
3461         (Errors::undefined_symbol): Likewise.
3462         * testsuite/debug_msg.sh: Update accordingly.
3463
3464 2011-04-14 Cary Coutant  <ccoutant@google.com>
3465
3466         * gold/layout.cc (Layout::symtab_section_offset): New function.
3467         * gold/layout.h (Layout::symtab_section_offset): New function.
3468         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
3469
3470 2011-04-12  Ian Lance Taylor  <iant@google.com>
3471
3472         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
3473         with MREMAP_MAYMOVE.
3474         * output.h (class Output_file): Add map_is_allocated_ field.
3475         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
3476         not available, provide stubs.  If mremap is not available, #define
3477         it to gold_mremap.
3478         (MREMAP_MAYMOVE): Define if not defined.
3479         (Output_file::Output_file): Initialize map_is_allocated_.
3480         (Output_file::resize): Check map_is_allocated_.
3481         (Output_file::map_anonymous): If mmap fails, use malloc.
3482         (Output_file::unmap): Don't do anything for an anonymous map.
3483         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
3484         is not available, provide stubs.
3485         (File_read::View::~View): Use free rather than delete[].
3486         (File_read::make_view): Use malloc rather than new[].  If mmap
3487         fails, use malloc.
3488         (File_read::find_or_make_view): Use malloc rather than new[].
3489         * gold.h: Remove HAVE_REMAP code.
3490         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
3491         exists.  Rename mremap to gold_mremap.  If mmap is not available
3492         don't do anything.
3493         * configure, config.in: Rebuild.
3494
3495 2011-04-11  Ian Lance Taylor  <iant@google.com>
3496
3497         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
3498         initialize local variable v.
3499
3500 2011-04-11  Cary Coutant  <ccoutant@google.com>
3501
3502         * archive.cc (Archive::include_member): Adjust call to
3503         report_object.
3504         (Add_archive_symbols::run): Track argument serial numbers.
3505         (Lib_group::include_member): Likewise.
3506         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
3507         * archive.h (Incremental_archive_entry::Archive_member):
3508         Initialize arg_serial_.
3509         (Archive_member::arg_serial_): New data member.
3510         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
3511         (Sized_dynobj::do_add_symbols): Track symbols when doing an
3512         incremental link.
3513         (Sized_dynobj::do_for_all_local_got_entries): New function.
3514         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
3515         function.
3516         * fileread.cc (get_mtime): New function.
3517         * fileread.h (get_mtime): New function.
3518         * gold.cc (queue_initial_tasks): Check for incremental update.
3519         (process_incremental_input): New function.
3520         (queue_middle_tasks): Don't force valid target for incremental
3521         update.
3522         * incremental-dump.cc (find_input_containing_global): Adjust
3523         size of symbol info entry.
3524         (dump_incremental_inputs): Dump argument serial number and
3525         in_system_directory flag; bias shndx by 1; print symbol names
3526         when dumping per-file symbol lists; use new symbol info readers.
3527         * incremental.cc
3528         (Output_section_incremental_inputs:update_data_size): New function.
3529         (Sized_incremental_binary::setup_readers): Setup input readers
3530         for each input file; build maps for files added from libraries
3531         and scripts.
3532         (Sized_incremental_binary::check_input_args): New function.
3533         (Sized_incremental_binary::do_check_inputs): Build map of argument
3534         serial numbers to input arguments.
3535         (Sized_incremental_binary::do_file_has_changed): Rename
3536         do_file_is_unchanged to this; compare file modification times.
3537         (Sized_incremental_binary::do_init_layout): New function.
3538         (Sized_incremental_binary::do_reserve_layout): New function.
3539         (Sized_incremental_binary::do_get_input_reader): Remove.
3540         (Sized_incremental_binary::get_symtab_view): New function.
3541         (Incremental_checker::can_incrementally_link_output_file): Remove.
3542         (Incremental_inputs::report_command_line): Exclude --debug options.
3543         (Incremental_inputs::report_archive_begin): Add parameter; track
3544         argument serial numbers; don't put input file entry for archive
3545         before archive members.
3546         (Incremental_inputs::report_archive_end): Put input file entry
3547         for archive after archive members.
3548         (Incremental_inputs::report_object): Add parameter; track argument
3549         serial numbers and in_system_directory flag.
3550         (Incremental_inputs::report_script): Add parameter; track argument
3551         serial numbers.
3552         (Output_section_incremental_inputs::set_final_data_size): Adjust
3553         size of symbol info entry; check for forwarding symbols.
3554         (Output_section_incremental_inputs::write_input_files): Write
3555         in_system_directory flag and argument serial number.
3556         (Output_section_incremental_inputs::write_info_blocks): Map section
3557         indices between incremental info and original input file; store
3558         input section index for each symbol.
3559         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
3560         change operator() to visit().
3561         (class Global_got_offset_visitor): Likewise.
3562         (class Global_symbol_visitor_got_plt):
3563         (Output_section_incremental_inputs::write_got_plt): Use new visitor
3564         classes.
3565         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
3566         (Sized_incr_relobj::do_read_symbols): New function.
3567         (Sized_incr_relobj::do_layout): New function.
3568         (Sized_incr_relobj::do_layout_deferred_sections): New function.
3569         (Sized_incr_relobj::do_add_symbols): New function.
3570         (Sized_incr_relobj::do_should_include_member): New function.
3571         (Sized_incr_relobj::do_for_all_global_symbols): New function.
3572         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
3573         (Sized_incr_relobj::do_section_size): New function.
3574         (Sized_incr_relobj::do_section_name): New function.
3575         (Sized_incr_relobj::do_section_contents): New function.
3576         (Sized_incr_relobj::do_section_flags): New function.
3577         (Sized_incr_relobj::do_section_entsize): New function.
3578         (Sized_incr_relobj::do_section_address): New function.
3579         (Sized_incr_relobj::do_section_type): New function.
3580         (Sized_incr_relobj::do_section_link): New function.
3581         (Sized_incr_relobj::do_section_info): New function.
3582         (Sized_incr_relobj::do_section_addralign): New function.
3583         (Sized_incr_relobj::do_initialize_xindex): New function.
3584         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
3585         (Sized_incr_relobj::do_read_relocs): New function.
3586         (Sized_incr_relobj::do_gc_process_relocs): New function.
3587         (Sized_incr_relobj::do_scan_relocs): New function.
3588         (Sized_incr_relobj::do_count_local_symbols): New function.
3589         (Sized_incr_relobj::do_finalize_local_symbols): New function.
3590         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
3591         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
3592         (Sized_incr_relobj::do_relocate): New function.
3593         (Sized_incr_relobj::do_set_section_offset): New function.
3594         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
3595         (Sized_incr_dynobj::do_read_symbols): New function.
3596         (Sized_incr_dynobj::do_layout): New function.
3597         (Sized_incr_dynobj::do_add_symbols): New function.
3598         (Sized_incr_dynobj::do_should_include_member): New function.
3599         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
3600         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
3601         (Sized_incr_dynobj::do_section_size): New function.
3602         (Sized_incr_dynobj::do_section_name): New function.
3603         (Sized_incr_dynobj::do_section_contents): New function.
3604         (Sized_incr_dynobj::do_section_flags): New function.
3605         (Sized_incr_dynobj::do_section_entsize): New function.
3606         (Sized_incr_dynobj::do_section_address): New function.
3607         (Sized_incr_dynobj::do_section_type): New function.
3608         (Sized_incr_dynobj::do_section_link): New function.
3609         (Sized_incr_dynobj::do_section_info): New function.
3610         (Sized_incr_dynobj::do_section_addralign): New function.
3611         (Sized_incr_dynobj::do_initialize_xindex): New function.
3612         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
3613         (make_sized_incremental_object): New function.
3614         (Incremental_library::copy_unused_symbols): New function.
3615         (Incremental_library::do_for_all_unused_symbols): New function.
3616         * incremental.h (enum Incremental_input_flags): New type.
3617         (class Incremental_checker): Remove.
3618         (Incremental_input_entry::Incremental_input_entry): Add argument
3619         serial number.
3620         (Incremental_input_entry::arg_serial): New function.
3621         (Incremental_input_entry::set_is_in_system_directory): New function.
3622         (Incremental_input_entry::is_in_system_directory): New function.
3623         (Incremental_input_entry::arg_serial_): New data member.
3624         (Incremental_input_entry::is_in_system_directory_): New data member.
3625         (class Script_info): Move here from script.h.
3626         (Script_info::Script_info): Add filename parameter.
3627         (Script_info::filename): New function.
3628         (Script_info::filename_): New data member.
3629         (Incremental_script_entry::Incremental_script_entry): Add argument
3630         serial number.
3631         (Incremental_object_entry::Incremental_object_entry): Likewise.
3632         (Incremental_object_entry::add_input_section): Build list of input
3633         sections with map to original shndx.
3634         (Incremental_object_entry::get_input_section_index): New function.
3635         (Incremental_object_entry::shndx_): New data member.
3636         (Incremental_object_entry::name_key_): Rename; adjust all refs.
3637         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
3638         (Incremental_archive_entry::Incremental_archive_entry): Add argument
3639         serial number.
3640         (Incremental_inputs::report_archive_begin): Likewise.
3641         (Incremental_inputs::report_object): Likewise.
3642         (Incremental_inputs::report_script): Likewise.
3643         (class Incremental_global_symbol_reader): New class.
3644         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
3645         and store flags and input file type.
3646         (Incremental_input_entry_reader::arg_serial): New function.
3647         (Incremental_input_entry_reader::type): Extract type from flags.
3648         (Incremental_input_entry_reader::is_in_system_directory): New function.
3649         (Incremental_input_entry_reader::get_input_section_count): Call
3650         accessor function for type.
3651         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
3652         function for type; adjust size of global symbol entry.
3653         (Incremental_input_entry_reader::get_global_symbol_count): Call
3654         accessor function for type.
3655         (Incremental_input_entry_reader::get_object_count): Likewise.
3656         (Incremental_input_entry_reader::get_object_offset): Likewise.
3657         (Incremental_input_entry_reader::get_member_count): Likewise.
3658         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
3659         (Incremental_input_entry_reader::get_member_offset): Likewise.
3660         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
3661         (Incremental_input_entry_reader::Global_symbol_info): Remove.
3662         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
3663         (Incremental_input_entry_reader::get_global_symbol_reader): New
3664         function.
3665         (Incremental_input_entry_reader::get_output_symbol_index): New
3666         function.
3667         (Incremental_input_entry_reader::type_): Remove.
3668         (Incremental_input_entry_reader::flags_): New data member.
3669         (Incremental_inputs_reader::input_file_offset): New function.
3670         (Incremental_inputs_reader::input_file_index): New function.
3671         (Incremental_inputs_reader::input_file): Call input_file_offset.
3672         (Incremental_inputs_reader::input_file_at_offset): New function.
3673         (Incremental_relocs_reader::get_r_type): Reformat.
3674         (Incremental_relocs_reader::get_r_shndx): Reformat.
3675         (Incremental_relocs_reader::get_r_offset): Reformat.
3676         (Incremental_relocs_reader::data): New function.
3677         (Incremental_binary::Incremental_binary): Initialize new data members.
3678         (Incremental_binary::check_inputs): Add cmdline parameter.
3679         (Incremental_binary::file_is_unchanged): Remove.
3680         (Input_reader::arg_serial): New function.
3681         (Input_reader::get_unused_symbol_count): New function.
3682         (Input_reader::get_unused_symbol): New function.
3683         (Input_reader::do_arg_serial): New function.
3684         (Input_reader::do_get_unused_symbol_count): New function.
3685         (Input_reader::do_get_unused_symbol): New function.
3686         (Incremental_binary::input_file_count): New function.
3687         (Incremental_binary::get_input_reader): Change signature to use
3688         index instead of filename.
3689         (Incremental_binary::file_has_changed): New function.
3690         (Incremental_binary::get_input_argument): New function.
3691         (Incremental_binary::get_library): New function.
3692         (Incremental_binary::get_script_info): New function.
3693         (Incremental_binary::init_layout): New function.
3694         (Incremental_binary::reserve_layout): New function.
3695         (Incremental_binary::output_file): New function.
3696         (Incremental_binary::do_check_inputs): New function.
3697         (Incremental_binary::do_file_is_unchanged): Remove.
3698         (Incremental_binary::do_file_has_changed): New function.
3699         (Incremental_binary::do_init_layout): New function.
3700         (Incremental_binary::do_reserve_layout): New function.
3701         (Incremental_binary::do_input_file_count): New function.
3702         (Incremental_binary::do_get_input_reader): Change signature.
3703         (Incremental_binary::input_args_map_): New data member.
3704         (Incremental_binary::library_map_): New data member.
3705         (Incremental_binary::script_map_): New data member.
3706         (Sized_incremental_binary::Sized_incremental_binary): Initialize
3707         new data members.
3708         (Sized_incremental_binary::output_section): New function.
3709         (Sized_incremental_binary::inputs_reader): Add const.
3710         (Sized_incremental_binary::symtab_reader): Add const.
3711         (Sized_incremental_binary::relocs_reader): Add const.
3712         (Sized_incremental_binary::got_plt_reader): Add const.
3713         (Sized_incremental_binary::get_symtab_view): New function.
3714         (Sized_incremental_binary::Inputs_reader): New typedef.
3715         (Sized_incremental_binary::Input_entry_reader): New typedef.
3716         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
3717         (Sized_incremental_binary::do_file_is_unchanged): Remove.
3718         (Sized_incremental_binary::do_file_has_changed): New function.
3719         (Sized_incremental_binary::do_init_layout): New function.
3720         (Sized_incremental_binary::do_reserve_layout): New function.
3721         (Sized_input_reader::Inputs_reader): Remove.
3722         (Sized_input_reader::Input_entry_reader): Remove.
3723         (Sized_input_reader::do_arg_serial): New function.
3724         (Sized_input_reader::do_get_unused_symbol_count): New function.
3725         (Sized_input_reader::do_get_unused_symbol): New function.
3726         (Sized_incremental_binary::do_input_file_count): New function.
3727         (Sized_incremental_binary::do_get_input_reader): Change signature;
3728         use index instead of filename.
3729         (Sized_incremental_binary::section_map_): New data member.
3730         (Sized_incremental_binary::input_entry_readers_): New data member.
3731         (class Sized_incr_relobj): New class.
3732         (class Sized_incr_dynobj): New class.
3733         (make_sized_incremental_object): New function.
3734         (class Incremental_library): New class.
3735         * layout.cc (Free_list::num_lists): New static data member.
3736         (Free_list::num_nodes): New static data member.
3737         (Free_list::num_removes): New static data member.
3738         (Free_list::num_remove_visits): New static data member.
3739         (Free_list::num_allocates): New static data member.
3740         (Free_list::num_allocate_visits): New static data member.
3741         (Free_list::init): New function.
3742         (Free_list::remove): New function.
3743         (Free_list::allocate): New function.
3744         (Free_list::dump): New function.
3745         (Free_list::print_stats): New function.
3746         (Layout_task_runner::run): Resize output file for incremental updates.
3747         (Layout::Layout): Initialize new data members.
3748         (Layout::set_incremental_base): New function.
3749         (Layout::init_fixed_output_section): New function.
3750         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
3751         incremental updates.
3752         (Layout::create_gold_note): Do not create gold note section for
3753         incremental updates.
3754         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
3755         for incremental updates.
3756         (Layout::set_section_offsets): For incremental updates, allocate space
3757         from free list.
3758         (Layout::create_symtab_sections): Layout with offsets relative to
3759         start of section; for incremental updates, allocate space from free
3760         list.
3761         (Layout::create_shdrs): For incremental updates, allocate space from
3762         free list.
3763         (Layout::finish_dynamic_section): For incremental updates, do not
3764         check --as-needed (fixed in subsequent patch).
3765         * layout.h (class Free_list): New class.
3766         (Layout::set_incremental_base): New function.
3767         (Layout::incremental_base): New function.
3768         (Layout::init_fixed_output_section): New function.
3769         (Layout::allocate): New function.
3770         (Layout::incremental_base_): New data member.
3771         (Layout::free_list_): New data member.
3772         * main.cc (main): Print Free_list statistics.
3773         * object.cc (Relobj::finalize_incremental_relocs): Add
3774         clear_counts parameter; clear counts only when clear_counts is set.
3775         (Sized_relobj::Sized_relobj): Initialize new base class.
3776         (Sized_relobj::do_layout): Don't report special sections.
3777         (Sized_relobj::do_for_all_local_got_entries): New function.
3778         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
3779         symtab_off to all symbol table offsets.
3780         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
3781         * object.h (class Got_offset_list): Move to top of file.
3782         (Object::Object): Allow case where input_file == NULL.
3783         (Object::~Object): Likewise.
3784         (Object::input_file): Assert that input_file != NULL.
3785         (Object::lock): Allow case where input_file == NULL.
3786         (Object::unlock): Likewise.
3787         (Object::is_locked): Likewise.
3788         (Object::token): Likewise.
3789         (Object::release): Likewise.
3790         (Object::is_incremental): New function.
3791         (Object::get_mtime): New function.
3792         (Object::for_all_local_got_entries): New function.
3793         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
3794         (Object::set_is_in_system_directory): New function.
3795         (Object::is_in_system_directory): New function.
3796         (Object::do_is_incremental): New function.
3797         (Object::do_get_mtime): New function.
3798         (Object::do_for_all_local_got_entries): New function.
3799         (Object::is_in_system_directory_): New data member.
3800         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
3801         (class Sized_relobj_base): New class.
3802         (class Sized_relobj): Derive from Sized_relobj_base.
3803         (class Sized_relobj::Symbols): Redeclare from base class.
3804         (class Sized_relobj::local_got_offset_list): Remove.
3805         (class Sized_relobj::Output_sections): Redeclare from base class.
3806         (class Sized_relobj::do_for_all_local_got_entries): New function.
3807         (class Sized_relobj::write_local_symbols): Add offset parameter.
3808         (class Sized_relobj::local_symbol_offset_): Update comment.
3809         (class Sized_relobj::local_dynsym_offset_): Update comment.
3810         * options.cc (Input_arguments::add_file): Remove const.
3811         * options.h (Input_file_argument::Input_file_argument):
3812         Initialize arg_serial_ (all constructors).
3813         (Input_file_argument::set_arg_serial): New function.
3814         (Input_file_argument::arg_serial): New function.
3815         (Input_file_argument::arg_serial_): New data member.
3816         (Input_arguments::Input_arguments): Initialize file_count_.
3817         (Input_arguments::add_file): Remove const.
3818         (Input_arguments::number_of_input_files): New function.
3819         (Input_arguments::file_count_): New data member.
3820         (Command_line::number_of_input_files): Call
3821         Input_arguments::number_of_input_files.
3822         * output.cc (Output_segment_headers::Output_segment_headers):
3823         Set current size.
3824         (Output_section::Input_section::current_data_size): New function.
3825         (Output_section::Output_section): Initialize new data members.
3826         (Output_section::add_input_section): Don't do merge sections for
3827         an incremental link; allocate space from free list for an
3828         incremental update.
3829         (Output_section::add_output_section_data): Allocate space from
3830         free list for an incremental update.
3831         (Output_section::update_data_size): New function.
3832         (Output_section::set_fixed_layout): New function.
3833         (Output_section::reserve): New function.
3834         (Output_segment::set_section_addresses): Remove const.
3835         (Output_segment::set_section_list_addresses): Remove const; allocate
3836         space from free list for an incremental update.
3837         (Output_segment::set_offset): Adjust size of RELRO segment for an
3838         incremental update.
3839         * output.h (Output_data::current_data_size): Move here from
3840         child classes.
3841         (Output_data::pre_finalize_data_size): New function.
3842         (Output_data::update_data_size): New function.
3843         (Output_section_headers::update_data_size): new function.
3844         (Output_section_data_build::current_data_size): Move to Output_data.
3845         (Output_data_strtab::update_data_size): New function.
3846         (Output_section::current_data_size): Move to Output_data.
3847         (Output_section::set_fixed_layout): New function.
3848         (Output_section::has_fixed_layout): New function.
3849         (Output_section::reserve): New function.
3850         (Output_section::update_data_size): New function.
3851         (Output_section::has_fixed_layout_): New data member.
3852         (Output_section::free_list_): New data member.
3853         (Output_segment::set_section_addresses): Remove const.
3854         (Output_segment::set_section_list_addresses): Remove const.
3855         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
3856         New function.
3857         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
3858         New function.
3859         * readsyms.cc (Read_symbols::do_read_symbols): Add library
3860         parameter when calling Add_symbols constructor; store argument
3861         serial number for members of a lib group.
3862         (Add_symbols::locks): Allow case where token == NULL.
3863         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
3864         (Read_member::~Read_member): New function.
3865         (Read_member::is_runnable): New function.
3866         (Read_member::locks): New function.
3867         (Read_member::run): New function.
3868         (Check_script::~Check_script): New function.
3869         (Check_script::is_runnable): New function.
3870         (Check_script::locks): New function.
3871         (Check_script::run): New function.
3872         (Check_library::~Check_library): New function.
3873         (Check_library::is_runnable): New function.
3874         (Check_library::locks): New function.
3875         (Check_library::run): New function.
3876         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
3877         (Add_symbols::library_): New data member.
3878         (class Read_member): New class.
3879         (class Check_script): New class.
3880         (class Check_library): New class.
3881         * reloc.cc (Read_relocs::is_runnable): Allow case where
3882         token == NULL.
3883         (Read_relocs::locks): Likewise.
3884         (Scan_relocs::locks): Likewise.
3885         (Relocate_task::locks): Likewise.
3886         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
3887         to clear counters.
3888         (Sized_relobj::incremental_relocs_scan): Fix comment.
3889         (Sized_relobj::do_relocate): Pass output file offset to
3890         write_local_symbols.
3891         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
3892         from class declaration.
3893         * script.cc (read_input_script): Allocate Script_info; pass
3894         argument serial number to report_script.
3895         * script.h (class Script_info): Move to incremental.h.
3896         * symtab.cc (Symbol_table::add_from_incrobj): New function.
3897         * symtab.h (Symbol_table::add_from_incrobj): New function.
3898         (Symbol_table::set_file_offset): New function.
3899
3900 2011-04-05  Cary Coutant  <ccoutant@google.com>
3901
3902         * incremental-dump.cc (dump_incremental_inputs): Change signature
3903         to take a Sized_incremental_binary; change caller.  Use readers
3904         in Sized_incremental_binary.
3905         * incremental.cc
3906         (Sized_incremental_binary::find_incremental_inputs_sections):
3907         Rename do_find_incremental_inputs_sections to this.
3908         (Sized_incremental_binary::setup_readers): New function.
3909         (Sized_incremental_binary::do_check_inputs): Check
3910         has_incremental_info_ flag; move setup code to setup_readers;
3911         use input readers.
3912         (Sized_incremental_binary::do_file_is_unchanged): New function.
3913         (Sized_incremental_binary::do_get_input_reader): New function.
3914         * incremental.h (class Incremental_binary): Move to end of file.
3915         (Incremental_binary::file_is_unchanged): New function.
3916         (Incremental_binary::do_file_is_unchanged): New function.
3917         (Incremental_binary::Input_reader): New class.
3918         (Incremental_binary::get_input_reader): New function.
3919         (class Sized_incremental_binary): Move to end of file.
3920         (Sized_incremental_binary::Sized_incremental_binary): Setup the
3921         input section reader classes.
3922         (Sized_incremental_binary::has_incremental_info): New function.
3923         (Sized_incremental_binary::inputs_reader): New function.
3924         (Sized_incremental_binary::symtab_reader): New function.
3925         (Sized_incremental_binary::relocs_reader): New function.
3926         (Sized_incremental_binary::got_plt_reader): New function.
3927         (Sized_incremental_binary::do_file_is_unchanged): New function.
3928         (Sized_incremental_binary::Sized_input_reader): New class.
3929         (Sized_incremental_binary::get_input_reader): New function.
3930         (Sized_incremental_binary::find_incremental_inputs_sections):
3931         Rename do_find_incremental_inputs_sections to this.
3932         (Sized_incremental_binary::setup_readers): New function.
3933         (Sized_incremental_binary::has_incremental_info_): New data member.
3934         (Sized_incremental_binary::inputs_reader_): New data member.
3935         (Sized_incremental_binary::symtab_reader_): New data member.
3936         (Sized_incremental_binary::relocs_reader_): New data member.
3937         (Sized_incremental_binary::got_plt_reader_): New data member.
3938         (Sized_incremental_binary::current_input_file_): New data member.
3939
3940 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
3941
3942         PR gold/12640
3943         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
3944         violation.
3945
3946 2011-03-30  Cary Coutant  <ccoutant@google.com>
3947
3948         * archive.cc (Archive::include_member): Adjust call to report_object.
3949         (Add_archive_symbols::run): Add script_info to call to
3950         report_archive_begin.
3951         (Lib_group::include_member): Adjust call to report_object.
3952         (Add_lib_group_symbols::run): Adjust call to report_object.
3953         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
3954         blocks.  Add object count for script input files.
3955         * incremental.cc (Incremental_inputs::report_archive_begin): Add
3956         script_info parameter; change all callers.
3957         (Incremental_inputs::report_object): Add script_info parameter;
3958         change all callers.
3959         (Incremental_inputs::report_script): Store backpointer to
3960         incremental info entry.
3961         (Output_section_incremental_inputs::set_final_data_size): Record
3962         additional information for scripts.
3963         (Output_section_incremental_inputs::write_info_blocks): Likewise.
3964         * incremental.h (Incremental_script_entry::add_object): New function.
3965         (Incremental_script_entry::get_object_count): New function.
3966         (Incremental_script_entry::get_object): New function.
3967         (Incremental_script_entry::objects_): New data member; adjust
3968         constructor.
3969         (Incremental_inputs::report_archive_begin): Add script_info parameter.
3970         (Incremental_inputs::report_object): Add script_info parameter.
3971         (Incremental_inputs_reader::get_object_count): New function.
3972         (Incremental_inputs_reader::get_object_offset): New function.
3973         * options.cc (Input_arguments::add_file): Return reference to
3974         new input argument.
3975         * options.h (Input_argument::set_script_info): New function.
3976         (Input_argument::script_info): New function.
3977         (Input_argument::script_info_): New data member; adjust all
3978         constructors.
3979         (Input_file_group::add_file): Return reference to new input argument.
3980         (Input_file_lib::add_file): Likewise.
3981         (Input_arguments::add_file): Likewise.
3982         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
3983         * script.cc (Parser_closure::Parser_closure): Add script_info
3984         parameter; adjust all callers.
3985         (Parser_closure::script_info): New function.
3986         (Parser_closure::script_info_): New data member.
3987         (read_input_script): Report scripts earlier to incremental info.
3988         (script_add_file): Set script_info in Input_argument.
3989         (script_add_library): Likewise.
3990         * script.h (Script_options::Script_info): Rewrite class.
3991
3992 2011-03-29  Cary Coutant  <ccoutant@google.com>
3993
3994         * archive.cc (Library_base::should_include_member): Move
3995         method here from class Archive.
3996         (Archive::Archive): Initialize base class.
3997         (Archive::should_include_member): Move to base class.
3998         (Archive::do_for_all_unused_symbols): New function.
3999         (Add_archive_symbols::run): Remove redundant access to
4000         incremental_inputs.
4001         (Lib_group::Lib_group): Initialize base class.
4002         (Lib_group::do_filename): New function.
4003         (Lib_group::include_member): Pass pointer to Lib_group to
4004         report_object.
4005         (Lib_group::do_for_all_unused_symbols): New function.
4006         (Add_lib_group_symbols::run): Report archive information for
4007         incremental links.
4008         * archive.h (class Library_base): New base class.
4009         (class Archive): Derive from Library_base.
4010         (Archive::filename): Move to base class.
4011         (Archive::set_incremental_info): Likewise.
4012         (Archive::incremental_info): Likewise.
4013         (Archive::Should_include): Likewise.
4014         (Archive::should_include_member): Likewise.
4015         (Archive::Armap_entry): Remove.
4016         (Archive::Unused_symbol_iterator): Remove.
4017         (Archive::unused_symbols_begin): Remove.
4018         (Archive::unused_symbols_end): Remove.
4019         (Archive::do_filename): New function.
4020         (Archive::do_get_mtime): New function.
4021         (Archive::do_for_all_unused_symbols): New function.
4022         (Archive::task_): Move to base class.
4023         (Archive::incremental_info_): Likewise.
4024         (class Lib_group): Derive from Library_base.
4025         (Lib_group::do_filename): New function.
4026         (Lib_group::do_get_mtime): New function.
4027         (Lib_group::do_for_all_unused_symbols): New function.
4028         (Lib_group::task_): Move to base class.
4029         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
4030         function.
4031         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
4032         function.
4033         * incremental.cc (Incremental_inputs::report_archive_begin):
4034         Use Library_base; call library's get_mtime; add incremental inputs
4035         entry before members.
4036         (class Unused_symbol_visitor): New class.
4037         (Incremental_inputs::report_archive_end): Use Library_base; use
4038         visitor class to record unused symbols; don't add incremental inputs
4039         entry after members.
4040         (Incremental_inputs::report_object): Use Library_base.
4041         * incremental.h
4042         (Incremental_archive_entry::Incremental_archive_entry): Remove
4043         unused Archive parameter.
4044         (Incremental_inputs::report_archive_begin): Use Library_base.
4045         (Incremental_inputs::report_archive_end): Likewise.
4046         (Incremental_inputs::report_object): Likewise.
4047         * object.cc (Sized_relobj::do_for_all_global_symbols): New
4048         function.
4049         * object.h (Object::for_all_global_symbols): New function.
4050         (Object::do_for_all_global_symbols): New function.
4051         (Sized_relobj::do_for_all_global_symbols): New function.
4052         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
4053         function.
4054         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
4055         function.
4056
4057 2011-03-27  Ian Lance Taylor  <iant@google.com>
4058
4059         * archive.cc (Archive::interpret_header): Return -1 if something
4060         goes wrong.  Change callers accordingly.
4061
4062 2011-03-25  Cary Coutant  <ccoutant@google.com>
4063
4064         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
4065         * testsuite/Makefile.in: Regenerate.
4066
4067 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
4068
4069         * plugin.cc (get_view): New.
4070         (Plugin::load): Pass get_view to the plugin.
4071         (Plugin_manager::get_view): New.
4072
4073 2011-03-21  Ian Lance Taylor  <iant@google.com>
4074
4075         * testsuite/final_layout.sh: Rewrite to not use dc.
4076         * testsuite/relro_test.sh: Fail if dc is not present.
4077
4078 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
4079
4080         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
4081         Change == to -eq.
4082         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
4083         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
4084         Change == to -eq.
4085         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
4086         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
4087
4088 2011-03-14  Ian Lance Taylor  <iant@google.com>
4089
4090         * script-sections.cc (Sort_output_sections::script_compare):
4091         Rename from is_before, change return type.
4092         (Sort_output_sections::operator()): Adjust accordingly.
4093
4094 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
4095
4096         PR gold/12572
4097         * testsuite/odr_violation2.cc: Add comment to make all error line
4098         numbers double digits.
4099         * testsuite/debug_msg.sh: Adjust expected errors.
4100
4101 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
4102
4103         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
4104         but mark earlier ones as non-canonical
4105         (offset_to_iterator): Update search target and example
4106         (do_addr2line): Return extra lines in a vector*
4107         (format_file_lineno): Extract from do_addr2line
4108         (one_addr2line): Add vector* out-param
4109         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
4110         when a lineno entry appeared last for its instruction
4111         (Dwarf_line_info): Add vector* out-param
4112         * object.cc (Relocate_info): Pass NULL for the vector* out-param
4113         * symtab.cc (Odr_violation_compare): Include the lineno in the
4114         comparison again.
4115         (linenos_from_loc): New. Combine the canonical line for an
4116         address with its other lines.
4117         (True_if_intersect): New. Helper functor to make
4118         std::set_intersection a query.
4119         (detect_odr_violations): Compare sets of lines instead of just
4120         one line for each function. This became less deterministic, but
4121         has fewer false positives.
4122         * symtab.h: Declarations.
4123         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
4124         mix an optimized and non-optimized object in the same binary
4125         (odr_violation2.so): Same.
4126         * testsuite/Makefile.in: Regenerate from Makefile.am.
4127         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
4128         * testsuite/debug_msg.sh: Update line numbers and add
4129         assertions.
4130         * testsuite/odr_violation1.cc: Use OdrDerived, in a
4131         non-optimized context.
4132         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
4133         isn't inlined, and use OdrDerived in an optimized context.
4134         * testsuite/odr_header1.h: Defines OdrDerived, where
4135         optimization will change the
4136         first-instruction-in-the-destructor's file and line number.
4137         * testsuite/odr_header2.h: Defines OdrBase.
4138
4139 2011-03-09  Ian Lance Taylor  <iant@google.com>
4140
4141         * fileread.cc (File_read::clear_views): Don't delete the whole
4142         file view.
4143
4144 2011-03-08  Ian Lance Taylor  <iant@google.com>
4145
4146         PR gold/12525
4147         * fileread.cc: #include <climits>.
4148         (GOLD_IOV_MAX): Define.
4149         (File_read::read_multiple): Limit number of entries by iov_max.
4150         * fileread.h (class File_read): Always set max_readv_entries to
4151         128.
4152
4153 2011-03-07  Ian Lance Taylor  <iant@google.com>
4154
4155         PR gold/12525
4156         * options.h (class General_options): Add -dy and -dn.
4157
4158 2011-03-02  Cary Coutant  <ccoutant@google.com>
4159
4160         * testsuite/script_test_9.t: Add TLS segment.
4161
4162 2011-03-02  Simon Baldwin  <simonb@google.com>
4163
4164         * configure.ac: Add check for gnu_indirect_function support in
4165         the toolchain building binutils.
4166         * configure: Rebuild.
4167
4168 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
4169
4170         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
4171         plugin only symbols.
4172         (Symbol_table::sized_finalize_symbol) Mark symbol only present
4173         in plugin files as not needed in the symbol table.
4174
4175 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
4176
4177         * output.cc (Output_section::add_input_section): Delay fill
4178         generation for section ordering.
4179
4180 2011-02-09  Ian Lance Taylor  <iant@google.com>
4181
4182         PR gold/12316
4183         * object.h (class Sized_relobj): Remove clear_local_symbols.
4184         * reloc.cc (Sized_relobj::do_relocate): Don't call
4185         clear_local_symbols.
4186
4187 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
4188
4189         * plugin.cc (is_visible_from_outside): Return true for symbols
4190         in the -u option.
4191
4192 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
4193
4194         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
4195         filename.
4196
4197 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
4198
4199         * icf.h (is_section_foldable_candidate): Change type of parameter
4200         to std::string.
4201         * icf.cc (Icf::find_identical_sections): Change type of local variable
4202         section_name to be std::string.
4203         (is_function_ctor_or_dtor): Change type of parameter to std::string.
4204
4205 2011-01-25  Ian Lance Taylor  <iant@google.com>
4206
4207         * script.cc (script_add_extern): Rewrite to use
4208         add_symbol_reference.
4209
4210 2011-01-25  Doug Kwan  <dougkwan@google.com>
4211
4212         * icf.cc (get_section_contents): Always lock section's object.
4213
4214 2011-01-24  Ian Lance Taylor  <iant@google.com>
4215
4216         * options.h (class General_options): Accept
4217         --no-detect-odr-violations.
4218
4219 2011-01-24  Ian Lance Taylor  <iant@google.com>
4220
4221         * version.cc (version_string): Bump to 1.11.
4222
4223 2011-01-24  Ian Lance Taylor  <iant@google.com>
4224
4225         * plugin.cc (class Plugin_rescan): Define new class.
4226         (Plugin_manager::claim_file): Set any_claimed_.
4227         (Plugin_manager::save_archive): New function.
4228         (Plugin_manager::save_input_group): New function.
4229         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
4230         necessary.
4231         (Plugin_manager::new_undefined_symbol): New function.
4232         (Plugin_manager::rescan): New function.
4233         (Plugin_manager::rescannable_defines): New function.
4234         (Plugin_manager::add_input_file): Set any_added_.
4235         * plugin.h (class Plugin_manager): define new fields rescannable_,
4236         undefined_symbols_, any_claimed_, and any_added_.  Declare
4237         Plugin_rescan as friend.  Declare new functions.
4238         (Plugin_manager::Rescannable): Define type.
4239         (Plugin_manager::Rescannable_list): Define type.
4240         (Plugin_manager::Undefined_symbol_list): Define type.
4241         (Plugin_manager::Plugin_manager): Initialize new fields.
4242         * archive.cc (Archive::defines_symbol): New function.
4243         (Add_archive_symbols::run): Pass archive to plugins if any.
4244         * archive.h (class Archive): Declare defines_symbol.
4245         * readsyms.cc (Input_group::~Input_group): New function.
4246         (Finish_group::run): Pass input_group to plugins if any.
4247         * readsyms.h (class Input_group): Declare destructor.
4248         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
4249         any.
4250
4251 2011-01-10  Ian Lance Taylor  <iant@google.com>
4252
4253         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
4254         section as relro.
4255         (Layout::set_segment_offsets): Reset increase_relro before calling
4256         set_section_addresses a second time.
4257
4258 2011-01-04  Cary Coutant  <ccoutant@google.com>
4259
4260         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
4261         sections before NOBITS sections.
4262
4263 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
4264
4265         * version.cc (print_version): Update copyright to 2011.
4266
4267 2010-12-23  Cary Coutant  <ccoutant@google.com>
4268
4269         * output.h (Output_data_reloc::add_output_section): Pass OD instead
4270         of OS to this->add.  Add OD parameter to second form of the function.
4271
4272 2010-12-20  Ian Lance Taylor  <iant@google.com>
4273
4274         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
4275         second of two consecutive entries with same offset.
4276
4277 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4278
4279         * testsuite/Makefile.am (ifuncmain2static_LDADD)
4280         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
4281         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
4282         to avoid unneeded links against $(LDADD).
4283         * testsuite/Makefile.in: Regenerate.
4284
4285 2010-12-15  Ian Lance Taylor  <iant@google.com>
4286
4287         PR gold/12324
4288         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
4289         for R_X86_64_32 and R_X86_64_PC32.
4290         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
4291         ver_matching_def_pic.o.
4292         (ver_matching_def_pic.o): New target.
4293
4294 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4295
4296         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
4297         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
4298         Move definition before File_read::View member definitions.
4299         (File_read::View::~View): Initialize and hold lock before
4300         updating current_mapped_bytes.
4301
4302 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4303
4304         * dwarf_reader.cc: Remove outdated comment.
4305         * gold-threads.cc: Fix typo in error message.
4306         * archive.cc: Fix typos in comments.
4307         * archive.h: Likewise.
4308         * arm-reloc-property.cc: Likewise.
4309         * arm-reloc-property.h: Likewise.
4310         * arm-reloc.def: Likewise.
4311         * arm.cc: Likewise.
4312         * attributes.h: Likewise.
4313         * cref.cc: Likewise.
4314         * ehframe.cc: Likewise.
4315         * fileread.h: Likewise.
4316         * gold.h: Likewise.
4317         * i386.cc: Likewise.
4318         * icf.cc: Likewise.
4319         * incremental.h: Likewise.
4320         * int_encoding.cc: Likewise.
4321         * layout.h: Likewise.
4322         * main.cc: Likewise.
4323         * merge.h: Likewise.
4324         * object.cc: Likewise.
4325         * object.h: Likewise.
4326         * options.cc: Likewise.
4327         * readsyms.cc: Likewise.
4328         * reduced_debug_output.cc: Likewise.
4329         * reloc.cc: Likewise.
4330         * script-sections.cc: Likewise.
4331         * sparc.cc: Likewise.
4332         * symtab.h: Likewise.
4333         * target-reloc.h: Likewise.
4334         * target.cc: Likewise.
4335         * target.h: Likewise.
4336         * timer.cc: Likewise.
4337         * timer.h: Likewise.
4338         * x86_64.cc: Likewise.
4339
4340 2010-12-09  Cary Coutant  <ccoutant@google.com>
4341
4342         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
4343         stack.
4344         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
4345         parameter; change all callers.
4346         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
4347         * options.h (warn_execstack): New option.
4348
4349 2010-12-07  Doug Kwan  <dougkwan@google.com>
4350
4351         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
4352         like function call relocations.
4353
4354 2010-12-07  Ian Lance Taylor  <iant@google.com>
4355
4356         * archive.cc (Archive::get_elf_object_for_member): Permit
4357         punconfigured to be NULL.
4358         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
4359         (Archive::include_member): Pass NULL to get_elf_object_for_member
4360         if we searched for the archive and this is the first included
4361         object.
4362
4363 2010-12-01  Ian Lance Taylor  <iant@google.com>
4364
4365         * dwarf_reader.h (class Sized_dwarf_line_info): Add
4366         track_relocs_type_ field.
4367         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
4368         Set track_relocs_type_.
4369         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
4370         contents when using RELA relocs.
4371         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
4372         reloc_map_.
4373         * reloc.cc (Track_relocs::next_addend): New function.
4374         * reloc.h (class Track_relocs): Declare next_addend.
4375
4376 2010-12-01  Ian Lance Taylor  <iant@google.com>
4377
4378         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
4379         virtual destructor.
4380
4381 2010-12-01  Ian Lance Taylor  <iant@google.com>
4382
4383         * README: Update compilers known to work and fail.
4384
4385 2010-11-23  Matthias Klose  <doko@ubuntu.com>
4386
4387         * configure.in: For --enable-gold, handle value `default' instead of
4388         `both*'.  Always install ld as ld.bfd, install as ld if gold is
4389         not the default.
4390         * configure: Regenerate.
4391
4392 2010-11-18  Doug Kwan  <dougkwan@google.com>
4393
4394         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
4395         and right_alignment to be zero.  Store result alignment only if it is
4396         greater than existing alignment.
4397
4398 2010-11-16  Cary Coutant  <ccoutant@google.com>
4399
4400         PR gold/12220
4401         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
4402         Check for ".zdebug_line".
4403
4404 2010-11-16  Doug Kwan  <dougkwan@google.com>
4405             Cary Coutant  <ccoutant@google.com>
4406
4407         * output.h (Output_segment::set_section_addresses): Pass increase_relro
4408         by reference; adjust all callers.
4409         * output.cc (Output_segment::set_section_addresses): Adjust references
4410         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
4411         list is empty.
4412         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
4413         end at page boundary.
4414
4415 2010-11-16  Cary Coutant  <ccoutant@google.com>
4416
4417         PR gold/12220
4418         * layout.cc (Layout::choose_output_section): Transform names of
4419         compressed sections even when using a script with a SECTIONS clause.
4420         (Layout::output_section_name): Remove code to transform
4421         compressed debug section names.
4422         * output.cc (Output_section::add_input_section): Use uncompressed
4423         section size when tracking input sections.
4424
4425 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
4426
4427         * symtab.h (Symbol::NON_PIC_REF): Remove.
4428         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
4429         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
4430         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
4431         (Symbol::use_plt_offset): Take a flags argument and pass it
4432         directly to needs_dynamic_reloc.  Restrict check for undefined
4433         weak symbols to function calls.
4434         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
4435         (Target_arm::Scan::global): Use it.
4436         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
4437         (Target_arm::Relocate::relocate): Likewise.
4438         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
4439         parameter with an r_type parameter.  Use get_reference_flags
4440         to get the flags.
4441         (Target_arm::Relocate::relocate): Update accordingly.
4442         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
4443         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
4444         (Target_i386::Scan::global): Likewise.
4445         (Target_i386::Relocate::relocate): Likewise.
4446         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
4447         parameter with an r_type parameter.  Use get_reference_flags
4448         to get the flags.
4449         (Target_i386::Relocate::relocate): Update accordingly.
4450         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
4451         (Target_powerpc::Scan::global): Use it.
4452         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
4453         (Target_powerpc::Relocate::relocate): Likewise.
4454         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
4455         (Target_sparc::Scan::global): Use it.
4456         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
4457         (Target_sparc::Relocate::relocate): Likewise.
4458         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
4459         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
4460         (Target_x86_64::Scan::global): Likewise.
4461         (Target_x86_64::Relocate::relocate): Likewise.
4462
4463 2010-11-08  Doug Kwan  <dougkwan@google.com>
4464             Cary Coutant  <ccoutant@google.com>
4465
4466         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
4467         (Arm_exidx_merge_section::section_contents_): New data member.
4468         (Arm_input_section::Arm_input_section): Initialize original_contents_.
4469         (Arm_input_section::~Arm_input_section): De-allocate memory.
4470         (Arm_input_section::original_contents_): New data member.
4471         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
4472         in parameters instead of calling Object::section_contents without
4473         locking.
4474         (Arm_output_section::group_section): New parameter TASK.  Pass it
4475         to callees that need locking objects.
4476         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
4477         to lock EXIDX input sections.  Fix a formatting issue.  Call
4478         Arm_exidx_merged_section::build_contents to create merged section
4479         contents.
4480         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
4481         to lock object of stub table owner.
4482         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
4483         TEXT_SIZE to initialize data member TEXT_SIZE_.
4484         (Arm_exidx_input_section::addralign): Fix typo in comment.
4485         (Arm_exidx_input_section::text_size): New method.
4486         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
4487         that require locking objects.  Lock objects before scanning for stubs
4488         and updating local symbols.
4489         (Arm_input_section<big_endian>::init): Copy contents of original
4490         input section.
4491         (Arm_input_section<big_endian>::do_write): Use saved contents of
4492         original input section instead of calling Object::section_contents
4493         without locking.
4494         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
4495         size without calling Object::section_size().
4496         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
4497         for size.  Allocate a buffer for merged EXIDX entries.
4498         (Arm_exidx_merged_section::build_contents): New method.
4499         (Arm_exidx_merged_section::do_write): Move merge section contents
4500         building code to Arm_exidx_merged_section::build_contetns.  Write
4501         out contetns in buffer instead of building it on the fly.
4502         (Arm_relobj::make_exidx_input_section): Also pass text section size
4503         to Arm_exidx_input_section constructor.
4504         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
4505         (Arm_dynobj::do_read_symbols): Fix memory leak.
4506         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
4507         * target.h: (class Task): Add forward declaration.
4508         (Target::relax): Add new parameter TASK and pass it to
4509         Target::do_relax().
4510         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
4511
4512 2010-11-05  Cary Coutant  <ccoutant@google.com>
4513
4514         PR gold/10708
4515         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
4516         object when reading from the file.
4517         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
4518         second layout pass.
4519         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
4520         when reading section contents.
4521         (get_section_contents): Likewise.
4522         (icf::find_identical_sections): Likewise.
4523         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
4524         object when reading from the file.
4525         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
4526         the object when doing deferred section layout.
4527
4528 2010-11-03  Nick Clifton  <nickc@redhat.com>
4529
4530         PR gold/12001
4531         * script.h (class Symbol_assignment: name): New member.  Returns
4532         the name of the symbol.
4533         * scrfipt.cc (Script_options::is_pending_assignment): New member.
4534         Returns true if the given symbol name is on the list of
4535         assignments wating to be processed.
4536         * archive.cc (should_incldue_member): If the symbol is undefined,
4537         check to see if it is on the list of symbols pending assignment.
4538
4539 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
4540
4541         * script-sections.cc (Script_sections::find_memory_region): Check
4542         for a NULL output section pointer.
4543
4544 2010-10-29  Doug Kwan  <dougkwan@google.com>
4545
4546         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
4547         Output_section::add_relaxed_input_section.
4548         * output.cc (Output_section::add_relaxed_input_section): Add new
4549         arguments LAYOUT and NAME.  Set section order index.
4550         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
4551         Copy section order index.
4552         * output.h (Output_section::add_relaxed_input_section): Add new
4553         arguments LAYOUT and NAME.
4554
4555 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4556
4557         * testsuite/Makefile.am: Move gcctestdir/ld rule to
4558         NATIVE_OR_CROSS_LINKER.
4559         * testsuite/Makefile.in: Regenerate.
4560
4561 2010-10-20  Doug Kwan  <dougkwan@google.com>
4562
4563         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
4564         without SHF_LINK_ORDER flags.
4565         * layout.cc (Layout::choose_output_section): Do not filter
4566         SHF_LINK_ORDER flag in a relocatable link.
4567
4568 2010-10-17  Cary Coutant  <ccoutant@google.com>
4569
4570         * output.h (Output_segment::set_section_addresses): Change function
4571         signature.  Update all callers.
4572         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
4573         sections.
4574         (Output_segment::set_section_addresses): Align after last TLS
4575         section.  Add padding before last relro section instead of after.
4576
4577 2010-10-17  Doug Kwan  <dougkwan@google.com>
4578
4579         * gold/arm.cc (Target_arm::got_section): Use correct order and set
4580         GOT output section to be writable.
4581
4582 2010-10-14  Cary Coutant  <ccoutant@google.com>
4583
4584         * debug.h (DEBUG_INCREMENTAL): New flag.
4585         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
4586         * gold.cc (queue_initial_tasks): Check parameters for incremental link
4587         mode.
4588         * incremental.cc (report_command_line): Ignore all forms of
4589         --incremental.
4590         * layout.cc (Layout::Layout): Check parameters for incremental link
4591         mode.
4592         * options.cc (General_options::parse_incremental): New function.
4593         (General_options::parse_no_incremental): New function.
4594         (General_options::parse_incremental_full): New function.
4595         (General_options::parse_incremental_update): New function.
4596         (General_options::incremental_mode_): New data member.
4597         (General_options::finalize): Check incremental_mode_.
4598         * options.h (General_options): Update help text for --incremental.
4599         Add --no-incremental, --incremental-full, --incremental-update.
4600         (General_options::Incremental_mode): New enum type.
4601         (General_options::incremental_mode): New function.
4602         (General_options::incremental_mode_): New data member.
4603         * parameters.cc (Parameters::incremental_mode_): New data member.
4604         (Parameters::set_options): Set incremental_mode_.
4605         (Parameters::set_incremental_full): New function.
4606         (Parameters::incremental): New function.
4607         (Parameters::incremental_update): New function.
4608         (set_parameters_incremental_full): New function.
4609         * parameters.h (Parameters::set_incremental_full): New function.
4610         (Parameters::incremental): New function.
4611         (Parameters::incremental_update): New function.
4612         (Parameters::incremental_mode_): New data member.
4613         (set_parameters_incremental_full): New function.
4614         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
4615         incremental link mode.
4616         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
4617         (Sized_relobj::do_relocate_sections): Likewise.
4618         * testsuite/Makefile.am (incremental_test): Use --incremental-full
4619         option.
4620         * testsuite/Makefile.in: Regenerate.
4621         * testsuite/incremental_test.sh: Filter all forms of --incremental.
4622
4623 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4624
4625         * script-sections.h (class Script_sections): Make
4626         Sections_elements typedef public.
4627         * script-sections.cc (class Sort_output_sections): Add elements_
4628         field.  Add constructor which sets it; change all callers.
4629         (Sort_output_sections::is_before): New function.
4630         (Sort_output_sections::operator()): Call is_before.
4631         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
4632         conditional.
4633         * testsuite/script_test_10.sh: New test. Test script section
4634         order.
4635         * testsuite/script_test_10.t: Likewise.
4636         * testsuite/script_test_10.s: Likewise.
4637         * testsuite/Makefile.am: Wrap the cross linker tests and the
4638         common tests into NATIVE_OR_CROSS_LINKER.
4639         (check_SCRIPTS): Add script_test_10.sh.
4640         (check_DATA): Add script_test_10.stdout.
4641         (script_test_10.o, script_test_10): New targets.
4642         (script_test_10.stdout): New target.
4643         * configure, testsuite/Makefile.in: Regenerate.
4644
4645 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4646
4647         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
4648         error for the deprecated relocations.
4649         (Target_arm::Scan::global): Likewise.
4650         (Target_arm::Relocate::relocate): Likewise.
4651
4652 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
4653
4654         * fileread.cc (Input_file::find_file): Initialize *found_name
4655         and *namep when using the fallback search for case 4.
4656
4657 2010-10-11  Cary Coutant  <ccoutant@google.com>
4658
4659         * options.h (class General_options): Redefine -z lazy as an alias for
4660         the negation of -z now.
4661
4662 2010-10-11  Ian Lance Taylor  <iant@google.com>
4663
4664         * resolve.cc (symbol_to_bits): Report the value of the unsupported
4665         binding.
4666
4667 2010-10-06  Nick Clifton  <nickc@redhat.com>
4668
4669         * script-sections.cc(class Memory_region): Remove
4670         current_lma_offset_ field.  Rename current_vma_offset_ to
4671         current_offset_.  Add last_section_ field.
4672         (Memory_region::get_current_vma_address): Rename to
4673         get_current_address.
4674         (Memory_region::get_current_lma_address): Delete.
4675         (Memory_region::increment_vma_offset): Rename to
4676         increment_offset.
4677         (Memory_region::increment_lma_offset): Delete.
4678         (Memory_region::attributes_compatible): New method.  Returns
4679         true if the provided section is compatible with the region.
4680         (Memory_region::get_last_section): New method.  Returns the last
4681         section to use the region.
4682         (Memory_region::set_last_section): New method.  Stores the last
4683         section to use the region.
4684         (Script_sections::block_in_region): New method.  Returns true if
4685         a block of memory is contained within a region.
4686         (Script_sections::find_memory_region): New method.  Locates a
4687         memory region to be used to set a VMA or LMA address.
4688         (Output_section_definition::set_section_addresses): Add code to
4689         check for addresses set by memory regions.
4690         (Output_segment::set_section_addresses): Remove memory region
4691         walking code.
4692         (Script_sections::create_segment): Add a warning if a header
4693         segment is created outside of any region.
4694         * script-sections.h (class Script_sections): Add prototypes for
4695         find_memory_region and block_in_region methods.
4696         * testsuite/memory_test.s: Use .long instead of .word.
4697         * testsuite/memory_test.t: Add some more output sections.
4698         * testsuite/memory_test.sh: Update expected output.
4699
4700 2010-10-02  Doug Kwan  <dougkwan@google.com>
4701
4702         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
4703         defintion to symtab.h
4704         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
4705         declaration to defintion.
4706
4707 2010-10-01  Nick Clifton  <nickc@redhat.com>
4708
4709         * expression.cc (eval): Replace dummy argument with NULL.
4710         (eval_maybe_dot): Check for a NULL result section pointer.
4711         (Symbol_expression::value): Likewise.
4712         (Dot_expression::value): Likewise.
4713         (BINARY_EXPRESSION): Likewise.
4714         (Max_expression::value): Likewise.
4715         (Min_expression::value): Likewise.
4716         (Absolute_expression::value): Likewise.
4717         (Addr_expression::value_from_output_section): Likewise.
4718         (Loaddddr_expression::value_from_output_section): Likewise.
4719         (Segment_start_expression::value): Likewise.
4720         * script-sections.cc
4721         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
4722         argument with NULL.
4723         (Sections_elememt_dot_assignment::set_section_addresses):
4724         Likewise.
4725         (Output_data_expression::do_write_to_buffer): Likewise.
4726         (Output_section_definition::finalize_symbols): Likewise.
4727         (Output_section_definition::set_section_addresses): Likewise.
4728
4729 2010-09-30  Doug Kwan  <dougkwan@google.com>
4730
4731         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
4732
4733 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
4734
4735         * target.h (Target::can_icf_inline_merge_sections): New virtual
4736         function.
4737         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
4738         virtual function.
4739         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
4740         virtual function.
4741         * icf.cc (get_section_contents): Inline merge sections only when
4742         target allows it.
4743
4744 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4745
4746         * configure: Regenerate.
4747
4748 2010-09-17  Ian Lance Taylor  <iant@google.com>
4749
4750         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
4751         * testsuite/Makefile.am (memory_test.o): New target.
4752         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
4753         memory_test.t.
4754         * testsuite/Makefile.in: Rebuild.
4755
4756 2010-09-17  Doug Kwan  <dougkwan@google.com>
4757
4758         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
4759         defintion if relocation uses GOT entries of the symbol.
4760         * testsuite/icf_safe_test.sh: Fix test.
4761         * testsuite/icf_safe_so_test.sh: Fix test.
4762
4763 2010-09-16  Cary Coutant  <ccoutant@google.com>
4764
4765         * script_sections.cc (class Memory_region): Remove "NULL" from
4766         vector initializations.
4767
4768 2010-09-15  Cary Coutant  <ccoutant@google.com>
4769
4770         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
4771         Resolve forwarding symbols.
4772
4773 2010-09-15  Doug Kwan  <dougkwan@google.com>
4774
4775         * gold/testsuite/script_test_3.t: Add ARM special sections.
4776         * gold/testsuite/script_test_4.t: Same.
4777         * gold/testsuite/script_test_5.t: Same.
4778         * gold/testsuite/script_test_6.t: Same.
4779         * gold/testsuite/script_test_7.t: Same.
4780         * gold/testsuite/script_test_7.t: Same.
4781         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
4782
4783 2010-09-14  Cary Coutant  <ccoutant@google.com>
4784
4785         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
4786         (Target_x86_64::Relocate::relocate_tls): Replace check for
4787         saw_tls_block_reloc_ with test for executable section.
4788
4789 2010-09-12  Cary Coutant  <ccoutant@google.com>
4790
4791         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
4792         position-independent executables to shared libraries need dynamic
4793         relocations.
4794         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
4795         position-independent executables.
4796         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
4797         * testsuite/Makefile.in: Regenerate.
4798
4799 2010-09-10  Nick Clifton  <nickc@redhat.com>
4800
4801         PR gold/11997
4802         * testsuite/memory_test.t: Discard any sections that are not
4803         needed.
4804
4805 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
4806
4807         PR gold/11996
4808         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
4809         "This::" to work around a bug in gcc 4.2.
4810
4811         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
4812
4813 2010-09-09  Rafael Espindola  <espindola@google.com>
4814
4815         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
4816         sections with different PF_X flags in the same segment.
4817         (Layout::find_first_load_seg): Search all segments to find the first
4818         one.
4819         * options.h (rosegment): New.
4820
4821 2010-09-08  Rafael Espindola  <espindola@google.com>
4822
4823         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
4824
4825 2010-09-08  Doug Kwan  <dougkwan@google.com>
4826
4827         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
4828         (Arm_relobj::do_relocate_sections): Add new parameter for output
4829         file to match the parent.
4830         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
4831         of local symbols instead of input values.  Update code to track
4832         changes in gold::relocate_section.
4833         * object.cc (Sized_relobj::compute_final_local_value): New methods.
4834         (Sized_relobj::compute_final_local_value_internal): New methods.
4835         (Sized_relobj::do_finalize_local_symbols): Move code from loop
4836         body into private version of Sized_relobj::compute_final_local_value.
4837         Call the inline method.
4838         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
4839         merged symbol value if there is one.
4840         (Symbol_value::has_output_value): New method defintiion.
4841         (Sized_relobj::Compute_final_local_value_status): New enum type.
4842         (Sized_relobj::compute_final_local_value): New methods.
4843         (Sized_relobj::compute_final_local_value_internal): New methods.
4844         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
4845         and arm_cortex_a8.sh.
4846         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
4847         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
4848         New tests.
4849         * Makefile.in: Regenerate.
4850         * testsuite/arm_bl_out_of_range.s: Update test.
4851         * testsuite/thumb_bl_out_of_range.s: Ditto.
4852         * testsuite/thumb_blx_out_of_range.s: Ditto.
4853         * testsuite/arm_branch_out_of_range.sh: New file.
4854         * testsuite/arm_cortex_a8.sh: Ditto.
4855         * testsuite/arm_cortex_a8_b.s: Ditto.
4856         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
4857         * testsuite/arm_cortex_a8_b_local.s: Ditto.
4858         * testsuite/arm_cortex_a8_bl.s: Ditto.
4859         * testsuite/arm_cortex_a8_blx.s: Ditto.
4860         * testsuite/arm_cortex_a8_local.s: Ditto.
4861         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
4862         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
4863
4864 2010-09-08  Rafael Espindola  <espindola@google.com>
4865
4866         * Makefile.am (memory_test.stdout): Run readelf with -W.
4867         * Makefile.in: Regenerate.
4868         * testsuite/memory_test.sh: Make the regexps accept both 32 and
4869         64 bit output.
4870
4871 2010-09-08  Rafael Espindola  <espindola@google.com>
4872
4873         * script-sections.cc (Script_sections::add_memory_region): Convert
4874         field precision to int.
4875         * script.cc (script_set_section_region, script_set_section_region):
4876         Convert field precision to int.
4877
4878 2010-09-08  Rafael Espindola  <espindola@google.com>
4879
4880         * arm.cc (do_finalize_sections): Create the __exidx_start and
4881         __exdix_end symbols even when the section is missing.
4882
4883 2010-09-08  Nick Clifton  <nickc@redhat.com>
4884
4885         * README: Remove claim that MEMORY is not supported.
4886         * expression.cc (script_exp_function_origin)
4887         (script_exp_function_length): Move from here to ...
4888         * script.cc: ... here.
4889         (script_set_section_region, script_add_memory)
4890         (script_parse_memory_attr, script_include_directive): New
4891         functions.
4892         * script-sections.cc
4893         (class Memory_region): New class.
4894         (class Output_section_definition): Add set_memory_region,
4895         set_section_vma, set_section_lma and get_section_name methods.
4896         (class Script_Sections): Add add_memory_region,
4897         find_memory_region, find_memory_region_origin,
4898         find_memory_region_length and set_memory_region methods.
4899         Have set_section_addresses method walk the list of set memory
4900         regions.
4901         Extend the print methos to display memory regions.
4902         * script-sections.h: Add prototypes for new methods.
4903         Add enum for MEMORY region attributes.
4904         * yyscript.y: Add support for parsing MEMORY regions.
4905         * script-c.h: Add prototypes for new functions.
4906         * testsuite/Makefile.am: Add test of MEMORY region functionality.
4907         * testsuite/Makefile.in: Regenerate.
4908         * testsuite/memory_test.sh: New script.
4909         * testsuite/memory_test.s: New assembler source file.
4910         * testsuite/memory_test.t: New linker script.
4911
4912 2010-08-27  Doug Kwan  <dougkwan@google.com>
4913
4914         * gold/resolve.cc (Symbol_table::should_override): Let a weak
4915         reference override an existing dynamic weak reference.
4916         * testsuite/Makefile.am: Add new test dyn_weak_ref.
4917         * testsuite/Makefile.in: Regenerate.
4918         * testsuite/dyn_weak_ref.sh: New file.
4919         * testsuite/dyn_weak_ref_1.c: Ditto.
4920         * testsuite/dyn_weak_ref_2.c: Ditto.
4921
4922 2010-08-27  Ian Lance Taylor  <iant@google.com>
4923
4924         * incremental.h (class Incremental_input_entry): Add virtual
4925         destructor.
4926
4927 2010-08-27  Ian Lance Taylor  <iant@google.com>
4928
4929         * testsuite/start_lib_test_3.c: Mark t3 as used.
4930
4931 2010-08-27  Nick Clifton  <nickc@redhat.com>
4932
4933         * options.cc (version_script): Fix small typo in previous
4934         whitespace tidyup.
4935
4936 2010-08-25  Nick Clifton  <nickc@redhat.com>
4937
4938         * archive.cc: Formatting fixes: Remove whitespace between
4939         typename and following asterisk.  Remove whitespace between
4940         function name and opening parenthesis.
4941         * archive.h: Likewise.
4942         * arm.cc: Likewise.
4943         * attributes.cc: Likewise.
4944         * attributes.h: Likewise.
4945         * common.cc: Likewise.
4946         * copy-relocs.cc: Likewise.
4947         * dirsearch.h: Likewise.
4948         * dynobj.cc: Likewise.
4949         * ehframe.cc: Likewise.
4950         * ehframe.h: Likewise.
4951         * expression.cc: Likewise.
4952         * fileread.cc: Likewise.
4953         * fileread.h: Likewise.
4954         * gc.h: Likewise.
4955         * gold-threads.cc: Likewise.
4956         * gold.cc: Likewise.
4957         * i386.cc: Likewise.
4958         * icf.h: Likewise.
4959         * incremental-dump.cc: Likewise.
4960         * incremental.cc: Likewise.
4961         * layout.cc: Likewise.
4962         * layout.h: Likewise.
4963         * main.cc: Likewise.
4964         * merge.cc: Likewise.
4965         * merge.h: Likewise.
4966         * object.cc: Likewise.
4967         * object.h: Likewise.
4968         * options.cc: Likewise.
4969         * options.h: Likewise.
4970         * output.cc: Likewise.
4971         * output.h: Likewise.
4972         * plugin.cc: Likewise.
4973         * plugin.h: Likewise.
4974         * powerpc.cc: Likewise.
4975         * reloc.cc: Likewise.
4976         * script-c.h: Likewise.
4977         * script-sections.cc: Likewise.
4978         * script.cc: Likewise.
4979         * stringpool.cc: Likewise.
4980         * symtab.cc: Likewise.
4981         * symtab.h: Likewise.
4982         * target.cc: Likewise.
4983         * timer.cc: Likewise.
4984         * timer.h: Likewise.
4985         * version.cc: Likewise.
4986         * x86_64.cc: Likewise.
4987
4988 2010-08-24  Nick Clifton  <nickc@redhat.com>
4989
4990         PR 11899
4991         * layout.cc (segment_precedes): Sort segments by their physical
4992         addresses, if they have been set.
4993
4994 2010-08-23  Cary Coutant  <ccoutant@google.com>
4995
4996         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
4997         symbols data.
4998         (Lib_group::include_member): Unlock object after deleting its
4999         symbols data.
5000         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
5001         the bug fixed here.
5002
5003 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
5004             Cary Coutant  <ccoutant@google.com>
5005
5006         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
5007         constructor, and set_blocker.
5008         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
5009         readsyms_blocker_.
5010         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
5011         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
5012         * testsuite/Makefile.am (start_lib_test): New test case.
5013         * testsuite/Makefile.in: Regenerate.
5014         * testsuite/start_lib_test_main.c: New file.
5015         * testsuite/start_lib_test_1.c: New file.
5016         * testsuite/start_lib_test_2.c: New file.
5017         * testsuite/start_lib_test_3.c: New file.
5018
5019 2010-08-19  Ian Lance Taylor  <iant@google.com>
5020
5021         * Makefile.in: Rebuild with automake 1.11.1.
5022         * aclocal.m4: Likewise.
5023         * testsuite/Makefile.in: Likewise.
5024
5025 2010-08-19  Ian Lance Taylor  <iant@google.com>
5026
5027         PR 10893
5028         * i386.cc (class Output_data_plt_i386): Update declarations.
5029         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
5030         local_ifuncs_ fields.
5031         (Target_i386::do_plt_section_for_global): New function.
5032         (Target_i386::do_plt_section_for_local): New function.
5033         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
5034         parameter; change all callers.  Initialize global_ifuncs_ and
5035         local_ifuncs_.  If doing a static link define __rel_iplt_start and
5036         __rel_iplt_end.
5037         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
5038         (Output_data_plt_i386::add_local_ifunc_entry): New function.
5039         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
5040         symbols.
5041         (Target_i386::make_plt_section): New function, broken out of
5042         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
5043         (Target_i386::make_plt_entry): Call make_plt_section.
5044         (Target_i386::make_local_ifunc_plt_entry): New function.
5045         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
5046         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
5047         R_386_IRELATIVE to switch.
5048         (Target_i386::Scan::global): Likewise.
5049         (Target_i386::Relocate::relocate): Likewise.
5050         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
5051         switch.
5052         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
5053         (Target_x86_64::do_plt_section_for_global): New function.
5054         (Target_x86_64::do_plt_section_for_local): New function.
5055         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
5056         parameter; change all callers.  If doing a static link define
5057         __rela_iplt_start and __rela_iplt_end.
5058         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
5059         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
5060         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
5061         to point to .plt.
5062         (Target_x86_64::make_local_ifunc_plt_entry): New function.
5063         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
5064         switch.
5065         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
5066         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
5067         R_X86_64_IRELATIVE to switch.
5068         (Target_x86_64::Scan::global): Likewise.
5069         (Target_x86_64::Relocate::relocate): Likewise.
5070         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
5071         switch.
5072         * target.h (class Target): Add plt_section_for_global and
5073         plt_section_for_local functions.  Add do_plt_section_for_global
5074         and do_plt_section_for_local virtual functions.
5075         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
5076         clarifying comments.
5077         (Symbol::use_plt_offset): Handle IFUNC symbol.
5078         * object.cc (Sized_relobj::Sized_relobj): Initialize
5079         local_plt_offsets_.
5080         (Sized_relobj::local_has_plt_offset): New function.
5081         (Sized_relobj::local_plt_offset): New function.
5082         (Sized_relobj::set_local_plt_offset): New function.
5083         (Sized_relobj::do_count): Handle IFUNC symbol.
5084         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
5085         a bit away from input_shndx_ field.  Add set_is_func_symbol and
5086         is_ifunc_symbol functions.
5087         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
5088         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
5089         local_plt_offsets_ field.
5090         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
5091         * output.h (class Output_section_data): Add non-const
5092         output_section function.
5093         (class Output_data_got): Update declarations.
5094         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
5095         Add use_plt_offset parameter to global and local constructors.
5096         Change all callers.  Change local_sym_index_ field to 31 bits.
5097         Change GSYM_CODE and CONSTANT_CODE accordingly.
5098         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
5099         doing a static link don't set sh_link field.
5100         (Output_data_got::Got_entry::write): Use PLT offset if
5101         appropriate.
5102         (Output_data_got::add_global_plt): New function.
5103         (Output_data_got::add_local_plt): New function.
5104         * target-reloc.h (relocate_section): Handle IFUNC symbol.
5105         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
5106         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
5107         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
5108         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
5109         IFUNC conditional.
5110         * testsuite/ifunc-sel.h: New file.
5111         * testsuite/ifuncmain1.c: New file.
5112         * testsuite/ifuncmain1vis.c: New file.
5113         * testsuite/ifuncmod1.c: New file.
5114         * testsuite/ifuncdep2.c: New file.
5115         * testsuite/ifuncmain2.c: New file.
5116         * testsuite/ifuncmain3.c: New file.
5117         * testsuite/ifuncmod3.c: New file.
5118         * testsuite/ifuncmain4.c: New file.
5119         * testsuite/ifuncmain5.c: New file.
5120         * testsuite/ifuncmod5.c: New file.
5121         * testsuite/ifuncmain6pie.c: New file.
5122         * testsuite/ifuncmod6.c: New file.
5123         * testsuite/ifuncmain7.c: New file.
5124         * configure, testsuite/Makefile.in: Rebuild.
5125
5126 2010-08-18  Ian Lance Taylor  <iant@google.com>
5127
5128         * incremental.cc
5129         (Output_section_incremental_inputs::write_input_files): Add cast
5130         to avoid signed/unsigned comparison warning.
5131         (Output_section_incremental_inputs::write_info_blocks): Likewise.
5132
5133 2010-08-12  Cary Coutant  <ccoutant@google.com>
5134
5135         * common.cc (Sort_commons::operator()): Remove unnecessary code.
5136
5137 2010-08-13  Ian Lance Taylor  <iant@google.com>
5138
5139         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
5140
5141 2010-08-12  Cary Coutant  <ccoutant@google.com>
5142             Doug Kwan  <dougkwan@google.com>
5143
5144         * resolve.cc (Symbol_table::should_override): When a weak dynamic
5145         defintion overrides non-weak undef, remember that the original undef
5146         is not weak.
5147         * symtab.cc (Symbol_table::sized_write_global): For undef without
5148         an original weak binding, set binding to global in output.
5149         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
5150         * testsuite/Makefile.in: Regenerate.
5151         * testsuite/strong_ref_weak_def.sh: New file.
5152         * testsuite/strong_ref_weak_def_1.c: Ditto.
5153         * testsuite/strong_ref_weak_def_2.c: Ditto.
5154
5155 2010-08-12  Cary Coutant  <ccoutant@google.com>
5156
5157         * testsuite/incremental_test.sh: Rewrite.
5158         * testsuite/incremental_test_1.c: Rewrite.
5159         * testsuite/incremental_test_2.c: Rewrite.
5160
5161 2010-08-12  Cary Coutant  <ccoutant@google.com>
5162
5163         * arm.cc (Target_arm::got_size): Add const.
5164         (Target_arm::got_entry_count): New function.
5165         (Target_arm::plt_entry_count): New function.
5166         (Target_arm::first_plt_entry_offset): New function.
5167         (Target_arm::plt_entry_size): New function.
5168         (Output_data_plt_arm::entry_count): New function.
5169         (Output_data_plt_arm::first_plt_entry_offset): New function.
5170         (Output_data_plt_arm::get_plt_entry_size): New function.
5171         * i386.cc (Target_i386::got_size): Add const.
5172         (Target_i386::got_entry_count): New function.
5173         (Target_i386::plt_entry_count): New function.
5174         (Target_i386::first_plt_entry_offset): New function.
5175         (Target_i386::plt_entry_size): New function.
5176         (Output_data_plt_i386::entry_count): New function.
5177         (Output_data_plt_i386::first_plt_entry_offset): New function.
5178         (Output_data_plt_i386::get_plt_entry_size): New function.
5179         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
5180         find_incremental_inputs_sections.  Dump incremental_got_plt section.
5181         * incremental.cc: Include target.h.
5182         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
5183         parameter.  Adjust all callers.  Find incremental_got_plt section.
5184         (Incremental_inputs::create_data_sections): Create incremental_got_plt
5185         section.
5186         (Output_section_incremental_inputs::set_final_data_size): Calculate
5187         size of incremental_got_plt section.
5188         (Output_section_incremental_inputs::do_write): Write the
5189         incremental_got_plt section.
5190         (Got_plt_view_info): New struct.
5191         (Local_got_offset_visitor): New class.
5192         (Global_got_offset_visitor): New class.
5193         (Global_symbol_visitor_got_plt): New class.
5194         (Output_section_incremental_inputs::write_got_plt): New function.
5195         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
5196         Add parameter.  Adjust all callers.
5197         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
5198         (Incremental_inputs::got_plt_section): New function.
5199         (Incremental_inputs::got_plt_section_): New data member.
5200         (Incremental_got_plt_reader): New class.
5201         * layout.cc (Layout::create_incremental_info_sections): Add the
5202         incremental_got_plt section.
5203         * object.h (Got_offset_list::get_list): New function.
5204         (Got offset_list::for_all_got_offsets): New function.
5205         (Sized_relobj::local_got_offset_list): New function.
5206         * powerpc.cc (Target_powerpc::got_size): Add const.
5207         (Target_powerpc::got_entry_count): New function.
5208         (Target_powerpc::plt_entry_count): New function.
5209         (Target_powerpc::first_plt_entry_offset): New function.
5210         (Target_powerpc::plt_entry_size): New function.
5211         (Output_data_plt_powerpc::entry_count): New function.
5212         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
5213         (Output_data_plt_powerpc::get_plt_entry_size): New function.
5214         * sparc.cc (Target_sparc::got_size): Add const.
5215         (Target_sparc::got_entry_count): New function.
5216         (Target_sparc::plt_entry_count): New function.
5217         (Target_sparc::first_plt_entry_offset): New function.
5218         (Target_sparc::plt_entry_size): New function.
5219         (Output_data_plt_sparc::entry_count): New function.
5220         (Output_data_plt_sparc::first_plt_entry_offset): New function.
5221         (Output_data_plt_sparc::get_plt_entry_size): New function.
5222         * symtab.h (Symbol::got_offset_list): New function.
5223         (Symbol_table::for_all_symbols): New function.
5224         * target.h (Sized_target::got_entry_count): New function.
5225         (Sized_target::plt_entry_count): New function.
5226         (Sized_target::plt_entry_size): New function.
5227         * x86_64.cc (Target_x86_64::got_size): Add const.
5228         (Target_x86_64::got_entry_count): New function.
5229         (Target_x86_64::plt_entry_count): New function.
5230         (Target_x86_64::first_plt_entry_offset): New function.
5231         (Target_x86_64::plt_entry_size): New function.
5232         (Output_data_plt_x86_64::entry_count): New function.
5233         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
5234         (Output_data_plt_x86_64::get_plt_entry_size): New function.
5235
5236 2010-08-12  Cary Coutant  <ccoutant@google.com>
5237
5238         * archive.cc: Include incremental.h.
5239         (Archive::Archive): Initialize incremental_info_.
5240         (Archive::include_member): Record archive members in incremental info.
5241         (Add_archive_symbols::run): Record begin and end of an archive in
5242         incremental info.
5243         (Lib_group::include_member): Record objects in incremental info.
5244         * archive.h (Incremental_archive_entry): Forward declaration.
5245         (Archive::set_incremental_info): New member function.
5246         (Archive::incremental_info): New member function.
5247         (Archive::Unused_symbol_iterator): New class.
5248         (Archive::unused_symbols_begin): New member function.
5249         (Archive::unused_symbols_end): New member function.
5250         (Archive::incremental_info_): New data member.
5251         * incremental-dump.cc (find_input_containing_global): New function.
5252         (dump_incremental_inputs): Dump new incremental info sections.
5253         * incremental.cc: Include symtab.h.
5254         (Output_section_incremental_inputs): New class.
5255         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
5256         new incremental info sections.
5257         (Sized_incremental_binary::do_check_inputs): Likewise.
5258         (Incremental_inputs::report_archive): Remove.
5259         (Incremental_inputs::report_archive_begin): New function.
5260         (Incremental_inputs::report_archive_end): New function.
5261         (Incremental_inputs::report_object): New function.
5262         (Incremental_inputs::finalize_inputs): Remove.
5263         (Incremental_inputs::report_input_section): New function.
5264         (Incremental_inputs::report_script): Rewrite.
5265         (Incremental_inputs::finalize): Do nothing but finalize string table.
5266         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
5267         (Incremental_inputs::sized_create_inputs_section_data): Remove.
5268         (Incremental_inputs::create_data_sections): New function.
5269         (Incremental_inputs::relocs_entsize): New function.
5270         (Output_section_incremental_inputs::set_final_data_size): New function.
5271         (Output_section_incremental_inputs::do_write): New function.
5272         (Output_section_incremental_inputs::write_header): New function.
5273         (Output_section_incremental_inputs::write_input_files): New function.
5274         (Output_section_incremental_inputs::write_info_blocks): New function.
5275         (Output_section_incremental_inputs::write_symtab): New function.
5276         * incremental.h (Incremental_script_entry): Forward declaration.
5277         (Incremental_object_entry): Forward declaration.
5278         (Incremental_archive_entry): Forward declaration.
5279         (Incremental_inputs): Forward declaration.
5280         (Incremental_inputs_header_data): Remove.
5281         (Incremental_inputs_header): Remove.
5282         (Incremental_inputs_header_write): Remove.
5283         (Incremental_inputs_entry_data): Remove.
5284         (Incremental_inputs_entry): Remove.
5285         (Incremental_inputs_entry_write): Remove.
5286         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
5287         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
5288         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
5289         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
5290         Likewise.
5291         (Incremental_input_entry): New class.
5292         (Incremental_script_entry): New class.
5293         (Incremental_object_entry): New class.
5294         (Incremental_archive_entry): New class.
5295         (Incremental_inputs::Incremental_inputs): Initialize new data members.
5296         (Incremental_inputs::report_inputs): Remove.
5297         (Incremental_inputs::report_archive): Remove.
5298         (Incremental_inputs::report_archive_begin): New function.
5299         (Incremental_inputs::report_archive_end): New function.
5300         (Incremental_inputs::report_object): Change prototype.
5301         (Incremental_inputs::report_input_section): New function.
5302         (Incremental_inputs::report_script): Change prototype.
5303         (Incremental_inputs::get_reloc_count): New function.
5304         (Incremental_inputs::set_reloc_count): New function.
5305         (Incremental_inputs::create_data_sections): New function.
5306         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
5307         (Incremental_inputs::inputs_section): New function.
5308         (Incremental_inputs::symtab_section): New function.
5309         (Incremental_inputs::relocs_section): New function.
5310         (Incremental_inputs::get_stringpool): Add const.
5311         (Incremental_inputs::command_line): Add const.
5312         (Incremental_inputs::inputs): Remove.
5313         (Incremental_inputs::command_line_key): New function.
5314         (Incremental_inputs::input_file_count): New function.
5315         (Incremental_inputs::input_files): New function.
5316         (Incremental_inputs::relocs_entsize): New function.
5317         (Incremental_inputs::sized_create_inputs_section_data): Remove.
5318         (Incremental_inputs::finalize_inputs): Remove.
5319         (Incremental_inputs::Input_info): Remove.
5320         (Incremental_inputs::lock_): Remove.
5321         (Incremental_inputs::inputs_): Change type.
5322         (Incremental_inputs::inputs_map_): Remove.
5323         (Incremental_inputs::current_object_entry_): New data member.
5324         (Incremental_inputs::inputs_section_): New data member.
5325         (Incremental_inputs::symtab_section_): New data member.
5326         (Incremental_inputs::relocs_section_): New data member.
5327         (Incremental_inputs::reloc_count_): New data member.
5328         (Incremental_inputs_reader): New class.
5329         (Incremental_symtab_reader): New class.
5330         (Incremental_relocs_reader): New class.
5331         * layout.cc (Layout::finalize): Move finalization of incremental info
5332         and creation of incremental info sections to follow finalization of
5333         symbol table.  Set offsets for postprocessing sections.
5334         (Layout::create_incremental_info_sections): Call
5335         Incremental_inputs::create_data_sections.  Add incremental symtab
5336         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
5337         sections to layout after input sections.
5338         * layout.h (struct Timespec): Forward declaration.
5339         (Layout::incremental_inputs): Add const.
5340         (Layout::create_incremental_info_sections): Add parameter.
5341         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
5342         * object.cc: Include incremental.h.
5343         (Relobj::finalize_incremental_relocs): New function.
5344         (Sized_relobj::do_layout): Record input sections in incremental info.
5345         * object.h (Object::output_section): New function.
5346         (Object::output_section_offset): Moved from Relobj.
5347         (Object::get_incremental_reloc_base): New function.
5348         (Object::get_incremental_reloc_count): New function.
5349         (Object::do_output_section): New function.
5350         (Object::do_output_section_offset): Moved from Relobj.
5351         (Object::do_get_incremental_reloc_base): New function.
5352         (Object::do_get_incremental_reloc_count): New function.
5353         (Object::Object): Initialize new data members.
5354         (Relobj::output_section): Renamed do_output_section and moved to
5355         protected.
5356         (Relobj::output_section_offset): Moved to Object.
5357         (Relobj::do_get_incremental_reloc_base): New function.
5358         (Relobj::do_get_incremental_reloc_count): New function.
5359         (Relobj::allocate_incremental_reloc_counts): New function.
5360         (Relobj::count_incremental_reloc): New function.
5361         (Relobj::finalize_incremental_relocs): New function.
5362         (Relobj::next_incremental_reloc_index): New function.
5363         (Relobj::reloc_counts_): New data member.
5364         (Relobj::reloc_bases_): New data member.
5365         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
5366         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
5367         (Sized_relobj::incremental_relocs_scan): New function.
5368         (Sized_relobj::incremental_relocs_scan_reltype): New function.
5369         (Sized_relobj::incremental_relocs_write): New function.
5370         (Sized_relobj::incremental_relocs_write_reltype): New function.
5371         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
5372         incremental link.
5373         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
5374         archives and object files elsewhere.
5375         (Add_symbols::run): Report object files here.
5376         (Finish_group::run): Report end of archive at end of group.
5377         * reloc.cc: Include layout.h, incremental.h.
5378         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
5379         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
5380         (Sized_relobj::incremental_relocs_scan): New function.
5381         (Sized_relobj::incremental_relocs_scan_reltype): New function.
5382         (Sized_relobj::do_relocate_sections): Write incremental relocations.
5383         (Sized_relobj::incremental_relocs_write): New function.
5384         (Sized_relobj::incremental_relocs_write_reltype): New function.
5385         * script.cc (read_input_script): Rewrite test for incremental link.
5386         Change call to Incremental_inputs::report_script.
5387         * symtab.h (Symbol_table::first_global_index): New function.
5388         (Symbol_table::output_count): New function.
5389
5390 2010-08-12  Doug Kwan  <dougkwan@google.com>
5391
5392         * arm.cc (Target_arm::merge_object_attributes): Check command line
5393         options --no-wchar-size-warning and --no-enum-size-warning.
5394         * options.h (General_options): Add ld-compatible options
5395         --no-enum-size-warning and --no-wchar-size-warning.
5396
5397 2010-08-04  Ian Lance Taylor  <iant@google.com>
5398
5399         * x86_64.cc (Target_x86_64::Scan::local): Use
5400         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
5401         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
5402         (Target_x86_64::Scan::global): Likewise.
5403         (Target_x86_64::Relocate::relocate): Likewise.
5404         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
5405         Likewise.
5406
5407 2010-08-03  Cary Coutant  <ccoutant@google.com>
5408
5409         * merge.cc (Output_merge_string::do_add_input_section): Count strings
5410         to reserve space in merged_strings vector. Keep total input size
5411         for stats.
5412         (Output_merge_string::do_print_merge_stats): Print total input size.
5413         * merge.h (Output_merge_string): Add input_size_ field.
5414         * stringpool.cc (Stringpool_template::string_length): Move
5415         implementations out of Stringpool_template class and place in
5416         stringpool.h.
5417         * stringpool.h (string_length): Move out of Stringpool_template.
5418
5419 2010-08-03  Ian Lance Taylor  <iant@google.com>
5420
5421         PR 11712
5422         * layout.cc (relaxation_loop_body): If address of load segment is
5423         set, adjust address to include headers if possible.
5424
5425 2010-08-03  Ian Lance Taylor  <iant@google.com>
5426
5427         * version.cc (version_string): Bump to 1.10.
5428
5429 2010-08-03  Ian Lance Taylor  <iant@google.com>
5430
5431         PR 11805
5432         * layout.h (enum Output_section_order): Define.
5433         (class Layout): Update declarations.
5434         * layout.cc (Layout::get_output_section): Add order parameter.
5435         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
5436         is_first_non_relro parameters.  Change all callers.
5437         (Layout::choose_output_section): Likewise.
5438         (Layout::add_output_section_data): Likewise.
5439         (Layout::make_output_section): Likewise.  Set order.
5440         (Layout::default_section_order): New function.
5441         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
5442         * output.cc (Output_section::Output_section): Initialize order_.
5443         Don't initialize deleted fields.
5444         (Output_segment::Output_segment): Don't initialize deleted
5445         fields.
5446         (Output_segment::add_output_section_to_load): New function
5447         replacing add_output_section.  Change all callers to call this or
5448         add_output_section_to_nonload.
5449         (Output_segment::add_output_section_to_nonload): New function.
5450         (Output_segment::remove_output_section): Rewrite.
5451         (Output_segment::add_initial_output_data): Likewise.
5452         (Output_segment::has_any_data_sections): Likewise.
5453         (Output_segment::is_first_section_relro): Likewise.
5454         (Output_segment::maximum_alignment): Likewise.
5455         (Output_segment::has_dynamic_reloc): New function replacing
5456         dynamic_reloc_count.  Change all callers.
5457         (Output_segment::has_dynamic_reloc_list): New function replacing
5458         dynamic_reloc_count_list.  Change all callers.
5459         (Output_segment::set_section_addresses): Rewrite.
5460         (Output_segment::set_offset): Rewrite.
5461         (Output_segment::find_first_and_last_list): Remove.
5462         (Output_segment::set_tls_offsets): Rewrite.
5463         (Output_segment::first_section_load_address): Likewise.
5464         (Output_segment::output_section_count): Likewise.
5465         (Output_segment::section_with_lowest_load_address): Likewise.
5466         (Output_segment::write_section_headers): Likewise.
5467         (Output_segment::print_sections_to_map): Likewise.
5468         * output.h (class Output_data): Remove dynamic_reloc_count_
5469         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
5470         (Output_data::add_dynamic_reloc): Rewrite.
5471         (Output_data::has_dynamic_reloc): New function.
5472         (Output_data::dynamic_reloc_count): Remove.
5473         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
5474         is_last_relro_, is_first_non_relro_, is_interp_,
5475         is_dynamic_linker_section_ fields.  Add order and set_order
5476         functions.  Remove is_relro_local, set_is_relro_local,
5477         is_last_relro, set_is_last_relro, is_first_non_relro,
5478         set_is_first_non_relro functions, is_interp, set_is_interp,
5479         is_dynamic_linker_section, and set_is_dynamic_linker_section
5480         functions.
5481         (class Output_segment): Change Output_data_list from std::list to
5482         std:;vector.  Add output_lists_ field.  Remove output_data_ and
5483         output_bss_ fields.  Update declarations.
5484
5485 2010-08-02  Ian Lance Taylor  <iant@google.com>
5486
5487         * arm.cc (Target_arm::gc_process_relocs): Use typename.
5488         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
5489         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
5490
5491 2010-08-02  Ian Lance Taylor  <iant@google.com>
5492
5493         PR 11855
5494         * script.cc (Script_options::Script_options): Initialize
5495         symbol_definitions_ and symbol_references_.
5496         (Script_options::add_symbol_assignment): Update
5497         symbol_definitions_ and symbol_references_.
5498         (Script_options::add_symbol_reference): New function.
5499         (script_symbol): New function.
5500         * script.h (class Script_options): Add symbol_definitions_ and
5501         symbol_references_ fields.
5502         (Script_options::referenced_const_iterator): New type.
5503         (Script_options::referenced_begin): New function.
5504         (Script_options::referenced_end): New function.
5505         (Script_options::is_referenced): New function.
5506         (Script_options::any_unreferenced): New function.
5507         * script-c.h (script_symbol): Declare.
5508         * yyscript.y (exp): Call script_symbol.
5509         * symtab.cc: Include "script.h".
5510         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
5511         Change all callers.  Check symbols referenced by scripts.
5512         (Symbol_table::add_undefined_symbols_from_command_line): Add
5513         layout parameter.  Change all callers.
5514         (Symbol_table::do_add_undefined_symbols_from_command_line):
5515         Likewise.  Break out loop body.  Check symbols referenced by
5516         scripts.
5517         (Symbol_table::add_undefined_symbol_from_command_line): New
5518         function broken out of
5519         do_add_undefined_symbols_from_command_line.
5520         * symtab.h (class Symbol_table): Update declarations.
5521         * archive.cc: Include "layout.h".
5522         (Archive::should_include_member): Add layout parameter.  Change
5523         all callers.  Check for symbol mentioned in expression.
5524         * archive.h (class Archive): Update declaration.
5525         * object.cc (Sized_relobj::do_should_include_member): Add layout
5526         parameter.
5527         * object.h (Object::should_include_member): Add layout parameter.
5528         Change all callers.
5529         (Object::do_should_include_member): Add layout parameter.
5530         (class Sized_relobj): Update declaration.
5531         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
5532         parameter.
5533         * dynobj.h (class Sized_dynobj): Update declaration.
5534         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
5535         layout parameter.
5536         * plugin.h (class Sized_pluginobj): Update declaration.
5537
5538 2010-08-02  Ian Lance Taylor  <iant@google.com>
5539
5540         PR 11866
5541         * output.cc (Output_segment::set_offset): Search for the first and
5542         last sections rather than assuming that the list is in order.
5543         (Output_segment::find_first_and_last_list): New function.
5544         * output.h (class Output_segment): Update declarations.
5545         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
5546         (relro_strip_test_SOURCES): New variable.
5547         (relro_strip_test_DEPENDENCIES): New variable.
5548         (relro_strip_test_LDFLAGS): New variable.
5549         (relro_strip_test_LDADD): New variable.
5550         (relro_strip_test.so): New target.
5551
5552 2010-08-02  Ian Lance Taylor  <iant@google.com>
5553
5554         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
5555         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
5556         (Target_i386::got_tlsdesc_section): New function.
5557         (Target_i386::got_section): Create space for GOT entries for
5558         TLSDESC relocations.
5559         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
5560         R_386_TLS_GOTDESC.
5561         (Target_i386::Scan::global): Likewise.
5562         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
5563         using TLSDESC GOT.
5564         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
5565         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
5566         (Target_x86_64::got_tlsdesc_section): New function.
5567         (Target_x86_64::got_section): Create space for GOT entries for
5568         TLSDESC relocations.
5569         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
5570         R_386_TLS_GOTDESC.
5571         (Target_x86_64::Scan::global): Likewise.
5572         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
5573         using TLSDESC GOT.
5574
5575 2010-08-02  Ian Lance Taylor  <iant@google.com>
5576
5577         * testsuite/final_layout.sh: Use dc to convert from hex to
5578         decimal.
5579
5580 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
5581
5582         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
5583         paramter to the call to gold::gc_process_relocs.
5584         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
5585         paramter to the call to gold::gc_process_relocs.
5586         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
5587         parameter to the call to gold::gc_process_relocs.
5588         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
5589         template parameter to the call to gold::gc_process_relocs.
5590         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
5591         paramter to the call to gold::gc_process_relocs.
5592         * gc.h (get_embedded_addend_size): New function.
5593         (gc_process_relocs): Save the size of the reloc for use by ICF.
5594         * icf.cc (get_section_contents): Get the addend from the text section
5595         for SHT_REL relocation sections.
5596         * icf.h (Icf::Reloc_addend_size_info): New typedef.
5597         (Icf::Reloc_info): Add new member reloc_addend_size_info.
5598         * int_encoding.h (read_from_pointer): New overloaded function.
5599         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
5600         * testsuite/icf_sht_rel_addend_test.sh: New file.
5601         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
5602         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
5603
5604 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5605
5606         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
5607         * Makefile.in: Regenerate.
5608         * testsuite/Makefile.in: Regenerate.
5609
5610 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
5611
5612         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
5613         * gold/testsuite/debug_msg.cc: Likewise.
5614         * gold/testsuite/odr_violation1.cc
5615         * gold/testsuite/odr_violation2.cc
5616
5617 2010-07-21  Cary Coutant  <ccoutant@google.com>
5618
5619         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
5620         string, and length fields.
5621         (Output_merge_string::Merged_strings_list): New type.
5622         (Output_merge_string::Merged_strings_lists): New typedef.
5623         (Output_merge_string): Replace merged_strings_ with
5624         merged_strings_lists_.
5625         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
5626         Merged_strings_list per input object and section.  Don't store pointer
5627         to the string.  Don't store length with each merged string entry.
5628         (Output_merge_string::finalize_merged_data): Loop over list of merged
5629         strings lists.  Recompute length of each merged string.
5630
5631 2010-07-15  Cary Coutant  <ccoutant@google.com>
5632
5633         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
5634         here.
5635
5636 2010-07-14  Ian Lance Taylor  <iant@google.com>
5637
5638         * descriptors.cc (Descriptors::open): Report correct name in error
5639         message.
5640
5641 2010-07-13  Doug Kwan  <dougkwan@google.com>
5642
5643         * arm.cc (Arm_input_section::Arm_input_section): For a
5644         SHT_ARM_EXIDX section, always keeps the input sections.
5645         (Arm_input_section::set_exidx_section_link): New method.
5646         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
5647         has_errors_ to false.
5648         (Arm_exidx_input_section::has_errors,
5649         Arm_exidx_input_section::set_has_errors): New methods.
5650         (Arm_exidx_input_section::has_errors_): New data member.
5651         (Arm_relobj::get_exidx_shndx_list): New method.
5652         (Arm_output_section::append_text_sections_to_list): Do not skip
5653         section without SHF_EXECINSTR.
5654         (Arm_output_section::fix_exidx_coverage): Skip input sections with
5655         errors.
5656         (Arm_relobj::make_exidx_input_section): Add new parameter for text
5657         section header.  Make error messages more verbose.  Check for
5658         a non-executable section linked to an EXIDX section.
5659         (Arm_relobj::do_read_symbols): Remove error checking, which has been
5660         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
5661         check that there is no deferred EXIDX section if we exit early.
5662         Instead of not making an EXIDX section in case of an error, make one
5663         and set the has_errors flag of it.
5664         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
5665         in a relocatable link.
5666         (Target_arm::do_relax): Look for the EXIDX output section instead of
5667         assuming that it is called .ARM.exidx.
5668         (Target_arm::fix_exidx_coverage): Add a new parameter for input
5669         section list.  Do not check for SHF_EXECINSTR section flags but
5670         skip any input section with errors.
5671         * output.cc (Output_section::Output_section): Initialize
5672         always_keeps_input_sections_ to false.
5673         (Output_section::add_input_section): Check for
5674         always_keeps_input_sections_.
5675         *  output.h (Output_section::always_keeps_input_sections,
5676         Output_section::set_always_keeps_input_sections): New methods.
5677         (Output_section::always_keeps_input_sections): New data member.
5678
5679 2010-07-13  Rafael Espindola  <espindola@google.com>
5680
5681         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
5682         * fileread.h (Input_file): Add try_extra_search_path and find_file.
5683
5684 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
5685             Ian Lance Taylor  <iant@google.com>
5686
5687         * output.h (Output_section_lookup_maps::add_merge_section):
5688         Correct check of whether value was inserted.
5689         (Output_section_lookup_maps::add_merge_input_section): Likewise.
5690         (Output_section_lookup_maps::add_relaxed_input_section):
5691         Likewise.
5692         * arm.cc (Target_arm::got_section): Remove used local os.
5693         * i386.cc (Target_i386::got_section): Likewise.
5694         * x86_64.cc (Target_x86_64::got_section): Likewise.
5695         * sparc.cc (Target_sparc::got_section): Likewise.
5696         (Target_sparc::relocate): Remove unused local have_got_offset.
5697         * powerpc.cc (Target_powerpc::relocate): Likewise.
5698
5699 2010-07-13  Ian Lance Taylor  <iant@google.com>
5700
5701         * compressed_output.cc (zlib_decompress): Fix signature in
5702         !HAVE_ZLIB_H case.
5703
5704         * archive.cc (Archive::include_member): Unlock an external member
5705         of a thin archive.  Don't bother to delete an object we know is
5706         NULL.
5707
5708 2010-07-12  Cary Coutant  <ccoutant@google.com>
5709
5710         * compressed_output.cc (zlib_decompress): New function.
5711         (get_uncompressed_size): New function.
5712         (decompress_input_section): New function.
5713         * compressed_output.h (get_uncompressed_size): New function.
5714         (decompress_input_section): New function.
5715         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
5716         Handle compressed debug sections.
5717         * layout.cc (is_compressed_debug_section): New function.
5718         (Layout::output_section_name): Map compressed section names to
5719         canonical names.
5720         * layout.h (is_compressed_debug_section): New function.
5721         (is_debug_info_section): Recognize compressed debug sections.
5722         * merge.cc: Include compressed_output.h.
5723         (Output_merge_data::do_add_input_section): Handle compressed
5724         debug sections.
5725         (Output_merge_string::do_add_input_section): Handle compressed
5726         debug sections.
5727         * object.cc: Include compressed_output.h.
5728         (Sized_relobj::Sized_relobj): Initialize new data members.
5729         (build_compressed_section_map): New function.
5730         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
5731         * object.h (Object::section_is_compressed): New method.
5732         (Object::do_section_is_compressed): New method.
5733         (Sized_relobj::Compressed_section_map): New type.
5734         (Sized_relobj::do_section_is_compressed): New method.
5735         (Sized_relobj::compressed_sections_): New data member.
5736         * output.cc (Output_section::add_input_section): Handle compressed
5737         debug sections.
5738         * reloc.cc: Include compressed_output.h.
5739         (Sized_relobj::write_sections): Handle compressed debug sections.
5740
5741 2010-07-08  Cary Coutant  <ccoutant@google.com>
5742
5743         * resolve.cc (Symbol_table::resolve): Remember whether undef was
5744         weak when resolving to a dynamic def.
5745         (Symbol_table::should_override): Add adjust_dyndef flag; set it
5746         for weak undef/dynamic def cases. Adjust callers.
5747         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
5748         undef_binding_weak_.
5749         (Symbol_table::sized_write_globals): Adjust symbol binding.
5750         (Symbol_table::sized_write_symbol): Add binding parameter.
5751         * symtab.h (Symbol::set_undef_binding): New method.
5752         (Symbol::is_undef_binding_weak): New method.
5753         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
5754         (Symbol_table::should_override): Add new parameter.
5755         (Symbol_table::sized_write_symbol): Add new parameter.
5756
5757         * testsuite/weak_undef_file1.cc: Add new test case.
5758         * testsuite/weak_undef_file2.cc: Fix header comment.
5759         * testsuite/weak_undef_test.cc: Add new test case.
5760
5761 2010-06-29  Doug Kwan  <dougkwan@google.com>
5762
5763         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
5764         Initialize USE_SYMBOL_.
5765         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
5766         definition.
5767         (Arm_reloc_property::uses_symbol_): New data member declaration.
5768         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
5769         uses symbol value and symbol is undefined but not weakly undefined.
5770
5771 2010-06-28  Rafael Espindola  <espindola@google.com>
5772
5773         * plugin.cc (Plugin::load): Use dlerror.
5774
5775 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
5776
5777         * symtab.cc (detect_odr_violations): When reporting an ODR
5778         violation, report an object where the symbol is defined.
5779
5780 2010-06-25  Doug Kwan  <dougkwan@google.com>
5781
5782         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
5783         (Target_arm::section_may_have_icf_unsafe_pointers): New method
5784         definition.
5785         (Target_arm::Scan::local_reloc_may_be_function_pointer,
5786         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
5787         target hook to detect function points.
5788         (Target_arm::Scan::possible_function_pointer_reloc): New method.
5789         * icf.h (Icf::check_section_for_function_pointers): Change type of
5790         parameter SECTION_NAME to const reference to std::string.  Use
5791         target hook to determine if section may have unsafe pointers.
5792         * target.h (Target::section_may_have_icf_unsafe_pointers): New
5793         method definition.
5794
5795 2010-06-21  Rafael Espindola  <espindola@google.com>
5796
5797         * fileread.cc (Input_file::find_fie): New
5798         (Input_file::open): Use Input_file::find_fie.
5799         * fileread.h (Input_file::find_fie): New
5800         * plugin.cc (set_extra_library_path): New.
5801         (Plugin::load): Add set_extra_library_path to the transfer vector.
5802         (Plugin_manager::set_extra_library_path): New.
5803         (Plugin_manager::add_input_file): Use the extra search path if set.
5804         (set_extra_library_path(): New.
5805         * plugin.h (Plugin_manager): Add set_extra_library_path and
5806         extra_search_path_.
5807
5808 2010-06-19  Cary Coutant  <ccoutant@google.com>
5809
5810         * layout.cc (gdb_sections): Add .debug_types.
5811         (lines_only_debug_sections): Likewise.
5812
5813 2010-06-18  Rafael Espindola  <espindola@google.com>
5814
5815         * plugin.cc (add_input_file,add_input_library)
5816         (Plugin_manager::add_input_file): Make filename arguments const.
5817         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
5818         const.
5819
5820 2010-06-16  Doug Kwan  <dougkwan@google.com>
5821
5822         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
5823         .ARM.attributes section if we have not merged any input
5824         attributes sections.
5825
5826 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5827
5828         * arm.cc: Allow combining objects with no EABI version
5829         information.
5830
5831 2010-06-15  Rafael Espindola  <espindola@google.com>
5832
5833         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
5834
5835 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5836
5837         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
5838         (struct iovec): Correct !HAVE_READV definition.
5839
5840 2010-06-10  Cary Coutant  <ccoutant@google.com>
5841
5842         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
5843         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
5844         reloc sections.
5845         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
5846
5847         PR 11683
5848         * symtab.h (Symbol::is_placeholder): New member function.
5849         * target-reloc.h (relocate_section): Check for placeholder symbols.
5850
5851         * testsuite/Makefile.am (plugin_test_8): New test.
5852         (plugin_test_9): New test.
5853         * testsuite/Makefile.in: Regenerate.
5854
5855 2010-06-09  Nick Clifton  <nickc@redhat.com>
5856
5857         * yyscript.y (input_list_element): Allow strings prefixed with
5858         the '-' character.  Treat these as libraries.
5859         * script.cc (script_add_library): New function.  Adds a library
5860         specified by "-l<name>" found in an input script.
5861         * script-c.h: Add prototype for script_add_library.
5862
5863 2010-06-07  Doug Kwan  <dougkwan@google.com>
5864
5865         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
5866         Restrict stub-group size to be within long conditional branch
5867         range when working around cortex-A8 erratum.
5868
5869 2010-06-07  Damien Diederen  <dd@crosstwine.com>
5870
5871         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
5872         #ifdef typo.
5873
5874 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
5875
5876         PR gold/11658
5877         * output.cc
5878         (Output_section::Input_section_sort_entry::compare_section_ordering):
5879         Change to return non-zero correctly.
5880         (Output_section::Input_section_sort_section_order_index_compare
5881         ::operator()): Change to fix ambiguity in comparisons.
5882
5883 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
5884
5885         * gold.h (is_wildcard_string): New function.
5886         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
5887         (Layout::layout_eh_frame): Ditto.
5888         (Layout::find_section_order_index): New method.
5889         (Layout::read_layout_from_file): New method.
5890         * layout.h (Layout::find_section_order_index): New method.
5891         (Layout::read_layout_from_file): New method.
5892         (Layout::input_section_position_): New private member.
5893         (Layout::input_section_glob_): New private member.
5894         * main.cc (main): Call read_layout_from_file here.
5895         * options.h (--section-ordering-file): New option.
5896         * output.cc (Output_section::input_section_order_specified_): New
5897         member.
5898         (Output_section::Output_section): Initialize new member.
5899         (Output_section::add_input_section): Add new parameter.
5900         Keep input sections when --section-ordering-file is used.
5901         (Output_section::set_final_data_size): Sort input sections when
5902         section ordering file is specified.
5903         (Output_section::Input_section_sort_entry): Add new parameter.
5904         Check sorting type.
5905         (Output_section::Input_section_sort_entry::compare_section_ordering):
5906         New method.
5907         (Output_section::Input_section_sort_compare::operator()): Change to
5908         consider section_order_index.
5909         (Output_section::Input_section_sort_init_fini_compare::operator()):
5910         Change to consider section_order_index.
5911         (Output_section::Input_section_sort_section_order_index_compare
5912         ::operator()): New method.
5913         (Output_section::sort_attached_input_sections): Change to sort
5914         according to section order when specified.
5915         (Output_section::add_input_section<32, true>): Add new parameter.
5916         (Output_section::add_input_section<64, true>): Add new parameter.
5917         (Output_section::add_input_section<32, false>): Add new parameter.
5918         (Output_section::add_input_section<64, false>): Add new parameter.
5919         * output.h (Output_section::add_input_section): Add new parameter.
5920         (Output_section::input_section_order_specified): New
5921         method.
5922         (Output_section::set_input_section_order_specified): New method.
5923         (Input_section::Input_section): Initialize section_order_index_.
5924         (Input_section::section_order_index): New method.
5925         (Input_section::set_section_order_index): New method.
5926         (Input_section::section_order_index_): New member.
5927         (Input_section::Input_section_sort_section_order_index_compare): New
5928         struct.
5929         (Output_section::input_section_order_specified_): New member.
5930         * script-sections.cc (is_wildcard_string): Delete and move modified
5931         method to gold.h.
5932         (Output_section_element_input::Output_section_element_input): Modify
5933         call to is_wildcard_string.
5934         (Output_section_element_input::Input_section_pattern
5935         ::Input_section_pattern): Ditto.
5936         (Output_section_element_input::Output_section_element_input): Ditto.
5937         * testsuite/Makefile.am (final_layout): New test case.
5938         * testsuite/Makefile.in: Regenerate.
5939         * testsuite/final_layout.cc: New file.
5940         * testsuite/final_layout.sh: New file.
5941
5942 2010-06-01  Rafael Espindola  <espindola@google.com>
5943
5944         * plugin.cc (Plugin::load): Pass the output name to the plugin.
5945
5946 2010-06-01  Rafael Espindola  <espindola@google.com>
5947
5948         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
5949         visibility of symbols.
5950
5951 2010-05-27  Doug Kwan  <dougkwan@google.com>
5952
5953         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
5954         from start of output section instead of address for a local symbol
5955         in a merged or relaxed section when doing a relocatable link.
5956
5957 2010-05-26  Rafael Espindola  <espindola@google.com>
5958
5959         PR 11604
5960         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
5961         adding sections the garbage collector removed.
5962         * gold/testsuite/Makefile.am: Add test.
5963         * gold/testsuite/Makefile.in: Regenerate.
5964         * gold/testsuite/plugin_test_7.sh: New.
5965         * gold/testsuite/plugin_test_7_1.c: New.
5966         * gold/testsuite/plugin_test_7_2.c: New.
5967
5968 2010-05-26  Rafael Espindola  <espindola@google.com>
5969
5970         * script-sections.cc (Output_section_definition::set_section_addresses):
5971         Check for --section-start.
5972
5973 2010-05-26  Doug Kwan  <dougkwan@google.com>
5974
5975         * arm.cc (Arm_scan_relocatable_relocs): New class.
5976         (Target_arm::relocate_special_relocatable): New method.
5977         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
5978         (Arm_relocate_functions::thumb_branch_common): Same.
5979         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
5980         instead of Default_scan_relocatable_relocs.
5981         * target-reloc.h (relocate_for_relocatable): Let target handle
5982         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
5983         * target.h (Sized_target::relocate_special_relocatable): New method.
5984
5985 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5986
5987         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
5988
5989 2010-05-23  Doug Kwan  <dougkwan@google.com>
5990
5991         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
5992         instead of a cast.
5993         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
5994         with a direct branch, not a conditional branch, to a stub.
5995         * merge.cc (Output_merge_base::record_input_section): New method
5996         defintion.
5997         (Output_merge_data::do_add_input_section): Record input section if
5998         keeps-input-sections flag is set.
5999         (Output_merge_string::do_add_input_section): Ditto.
6000         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
6001         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
6002         INPUT_SECTIONS_.
6003         (Output_merge_base::keeps_input_sections,
6004         Output_merge_base::set_keeps_input_sections,
6005         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
6006         method definitions.
6007         (Output_merge_base::Input_sections): New type declaration.
6008         (Output_merge_base::input_sections_begin,
6009         Output_merge_base::input_sections_end,
6010         Output_merge_base::do_set_keeps_input_sections): New method definitions.
6011         (Output_merge_base::bool keeps_input_sections_,
6012         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
6013         Output_merge_base::input_sections_): New data members.
6014         (Output_merge_data::do_set_keeps_input_sections): New method
6015         defintion.
6016         (Output_merge_string::do_set_keeps_input_sections): Ditto.
6017         * output.cc (Output_section::Input_section::relobj): Move method
6018         defintion from class declaration to here and handle merge sections.
6019         (Output_section::Input_section::shndx): Ditto.
6020         (Output_section::Output_section): Remove initializations of removed
6021         data members and initialize new data member LOOKUP_MAPS_.
6022         (Output_section::add_input_section): Set keeps-input-sections flag
6023         for a newly created merge output section as appropriate.  Adjust code
6024         to use Output_section_lookup_maps class.
6025         (Output_section::add_relaxed_input_section): Adjst code for lookup
6026         maps code refactoring.
6027         (Output_section::add_merge_input_section): Add a new parameter
6028         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
6029         class.  If adding input section to a newly created merge output
6030         section fails, remove the new merge section.
6031         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
6032         Adjust code for use of the Output_section_lookup_maps class.
6033         (Output_section::find_merge_section): Ditto.
6034         (Output_section::build_lookup_maps): New method defintion.
6035         (Output_section::find_relaxed_input_section): Adjust code to use
6036         Output_section_lookup_maps class.
6037         (Output_section::get_input_sections): Export merge sections.  Adjust
6038         code to use Output_section_lookup_maps class.
6039         (Output_section:::add_script_input_section): Adjust code to use
6040         Output_section_lookup_maps class.  Update lookup maps for merge
6041         sections also.
6042         (Output_section::discard_states): Use Output_section_lookup_maps.
6043         (Output_section::restore_states): Same.
6044         * output.h (Merge_section_properties): Move class defintion out of
6045         Output_section.
6046         (Output_section_lookup_maps): New class.
6047         (Output_section::Input_section::is_merge_section): New method
6048         defintion.
6049         (Output_section::Input_section::relobj): Move defintion out of class
6050         defintion.  Declare method only.
6051         (Output_section::Input_section::shndx): Ditto.
6052         (Output_section::Input_section::output_merge_base): New method defintion.
6053         (Output_section::Input_section::u2_.pomb): New union field.
6054         (Output_section::Merge_section_by_properties_map,
6055         Output_section::Output_section_data_by_input_section_map,
6056         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
6057         Remove types.
6058         (Output_section::add_merge_input_section): Add new parameter
6059         KEEPS_INPUT_SECTIONS.
6060         (Output_section::build_lookup_maps): New method declaration.
6061         (Output_section::merge_section_map_,
6062         Output_section::merge_section_by_properties_map_,
6063         Output_section::relaxed_input_section_map_,
6064         Output_section::is_relaxed_input_section_map_valid_): Remove data
6065         members.
6066         (Output_section::lookup_maps_): New data member.
6067
6068 2010-05-21  Doug Kwan  <dougkwan@google.com>
6069
6070         PR gold/11619
6071         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
6072         avoid a compilation error.
6073
6074 2010-05-19  Rafael Espindola  <espindola@google.com>
6075
6076         * script-sections.cc (Output_section_definition::allocate_to_segment):
6077         Update the phdrs_list even when the output section is NULL.
6078         * testsuite/Makefile.am: Add test.
6079         * testsuite/Makefile.in: Regenerate.
6080         * testsuite/script_test_9.cc: New.
6081         * testsuite/script_test_9.sh: New.
6082         * testsuite/script_test_9.t: New.
6083
6084 2010-05-19  Doug Kwan  <dougkwan@google.com>
6085
6086         * arm.cc (Arm_input_section::original_size): New method.
6087         (Arm_input_section::do_addralign): Add a cast.
6088         (Arm_input_section::do_output_offset): Remove static cast.
6089         (Arm_input_section::original_addralign,
6090          Arm_input_section::original_size_): Change type to uint32_t.
6091         (Arm_input_section::init): Add safe casts for section alignment
6092         and size.
6093         (Arm_input_section::set_final_data_size): Do not set address and
6094         offset of stub table.
6095         (Arm_output_section::fix_exidx_coverage): Change use of of
6096         Output_section::Simple_input_section to that of
6097         Output_section::Input_section.
6098         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
6099         except for the first pass.
6100         * output.cc (Output_section::get_input_sections): Change type of
6101         input_sections to std::list<Input_section>.
6102         (Output_section::add_script_input_section): Rename from
6103         Output_section::add_simple_input_section.  Change type of SIS
6104         parameter from Simple_input_section to Input_section.
6105         * output.h (Output_section::Simple_input_section): Remove class.
6106         (Output_section::Input_section): Change class visibility to public.
6107         (Output_section::Input_section::addralign): Use stored alignments
6108         for special input sections if set.
6109         (Output_section::Input_section::set_addralign): New method.
6110         (Output_section::get_input_sections): Change parameter type from
6111         list of Simple_input_section to list of Input_section.
6112         (Output_section::add_script_input_section): Rename from
6113         Output_section::add_simple_input_section. Change first parameter's
6114         type from Simple_input_section to Input_section and remove the
6115         second and third parameters.
6116         * script-sections.cc (Input_section::Input_section_list): Change
6117         type to list of Output_section::Input_section/
6118         (Input_section_info::Input_section_info): Change parameter type of
6119         INPUT_SECTION to Output_section::Input_section.
6120         (Input_section_info::input_section): Change return type.
6121         (Input_section_info::input_section_): Change type to
6122         Output_section::Input_section.
6123         (Output_section_element_input::set_section_addresses): Adjust code
6124         to use Output_section::Input_section instead of
6125         Output_section::Simple_input_section.  Adjust code for renaming
6126         of Output_section::add_simple_input_section.
6127         (Orphan_output_section::set_section_addresses): Ditto.
6128
6129 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6130
6131         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
6132         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
6133
6134 2010-05-18  Rafael Espindola  <espindola@google.com>
6135
6136         * options.cc (General_options::finalize): Handle -nostdlib.
6137         * options.h (nostdlib): New option.
6138         * script.cc (script_add_search_dir): Handle -nostdlib.
6139
6140 2010-05-12  Doug Kwan  <dougkwan@google.com>
6141
6142         * arm.cc (Target_arm::do_finalize_sections): Create an empty
6143         attributes section only if there no attributes section after merging.
6144         (Target_arm::merge_object_attributes): Move value of
6145         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
6146         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
6147         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
6148         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
6149         and arm_attr_merge_7.stdout.
6150         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
6151         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
6152         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
6153         arm_attr_merge_7b.o): New rules.
6154         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
6155         arm_attr_merge_7
6156         * testsuite/Makefile.in: Regenerate.
6157         * testsuite/arm_attr_merge.sh: New file.
6158         * testsuite/arm_attr_merge_[67][ab].s: Same.
6159
6160 2010-05-05  Nick Clifton  <nickc@redhat.com>
6161
6162         * po/es.po: Updated Spanish translation.
6163
6164 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
6165
6166         * Makefile.am (install-exec-local): Properly install gold as
6167         default cross linker.
6168         * Makefile.in: Regenerated.
6169
6170 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
6171             Nick Clifton  <nickc@redhat.com>
6172
6173         * configure.ac (install_as_default): Define and set to false
6174         unless --enable-gold or --enable-gold=both/gold has been
6175         specified.
6176         * configure: Regenerate.
6177
6178         * Makefile.am (install-exec-local): Install the executable as
6179         'ld.gold'.  If install_as_default is true then also install it as
6180         'ld'.
6181         * Makefile.in: Regenerated.
6182
6183 2010-04-24  Ian Lance Taylor  <iant@google.com>
6184
6185         * layout.cc (Layout::layout_reloc): In relocatable link don't
6186         combine reloc sections for grouped sections.
6187
6188 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
6189
6190         * gc.h (gc_process_relocs): Pass information on relocs pointing to
6191         sections that are not ordinary to icf.
6192         * icf.cc (get_section_contents): Handle relocation pointing to section
6193         with no object or shndx information.
6194         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
6195         * testsuite/Makefile.in: Regenerate.
6196         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
6197         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
6198
6199 2010-04-22  Ian Lance Taylor  <iant@google.com>
6200
6201         * expression.cc (Expression::Expression_eval_info): Add
6202         result_alignment_pointer field.
6203         (Expression::eval_with_dot): Add result_alignment_pointer
6204         parameter.  Change all callers.
6205         (Expression::eval_maybe_dot): Likewise.
6206         (class Binary_expression): Add alignment_pointer parameter to
6207         left_value and right_value.  Change all callers.
6208         (BINARY_EXPRESSION): Set result alignment.
6209         (class Trinary_expression): Add alignment_pointer parameter to
6210         arg2_value and arg3_value.  Change all callers.
6211         (Trinary_cond::value): Set result alignment.
6212         (Max_expression::value, Min_expression::value): Likewise.
6213         (Align_expression::value): Likewise.
6214         * script-sections.cc (class Sections_element): Add dot_alignment
6215         parameter to set_section_addresses virtual function.  Update
6216         instantiations.
6217         (class Output_section_element): Likewise.
6218         (Script_sections::create_segments): Add dot_alignment parameter.
6219         Change all callers.
6220         (Script_sections::create_segments_from_phdrs_clause): Likewise.
6221         (Script_sections::set_phdrs_clause_addresses): Likewise.
6222         * script-sections.h: Update declarations.
6223         * script.h: Update declarations.
6224         * output.h (Output_segment::set_minimum_p_align): Don't decrease
6225         min_p_align.
6226         * testsuite/script_test_3.t: Set large alignment.
6227         * testsuite/script_test_3.sh: Make sure that at least one LOAD
6228         segment has expected alignment.
6229
6230 2010-04-22  Nick Clifton  <nickc@redhat.com>
6231
6232         * po/gold.pot: Updated by the Translation project.
6233         * po/vi.po: Updated Vietnamese translation.
6234
6235 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
6236
6237         * testsuite/Makefile.am (check_PROGRAMS): Add
6238         icf_virtual_function_folding_test.
6239         * testsuite/Makefile.in: Regenerated.
6240
6241 2010-04-15  Andrew Haley  <aph@redhat.com>
6242
6243         * options.h (merge_exidx_entries): New option.
6244         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
6245         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
6246         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
6247         (Target_arm::merge_exidx_entries): New function.
6248         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
6249         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
6250         to Arm_exidx_fixup constructor.
6251         Add new arg, merge_exidx_entries.
6252         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
6253         Arm_output_section::fix_exidx_coverage.
6254
6255 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
6256
6257         * icf.cc (get_section_contents): Check for preemptible functions.
6258         Ignore addend when appropriate.
6259         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
6260         section folded.
6261         (add_from_relobj): Check for section folded.
6262         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
6263         * symtab.h (should_add_dynsym_entry): Add new parameter.
6264         * target-reloc.h (scan_relocs): Check for section folded.
6265         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
6266         Check reloc types for function pointers in shared objects.
6267         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
6268         case.
6269         (icf_preemptible_functions_test): New test case.
6270         (icf_string_merge_test): New test case.
6271         * testsuite.Makefile.in: Regenerate.
6272         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
6273         bar_glob.  Refactor code.
6274         * testsuite/icf_preemptible_functions_test.cc: New file.
6275         * testsuite/icf_preemptible_functions_test.sh: New file.
6276         * testsuite/icf_string_merge_test.cc: New file.
6277         * testsuite/icf_string_merge_test.sh: New file.
6278         * testsuite/icf_virtual_function_folding_test.cc: New file.
6279         * testsuite/icf_virtual_function_folding_test.sh: New file.
6280
6281 2010-04-14  Doug Kwan  <dougkwan@google.com>
6282
6283         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
6284         for local symbol recounting if we remove a section due to ICF.
6285         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
6286         there are no regular objects in input.
6287
6288 2010-04-13  Doug Kwan  <dougkwan@google.com>
6289
6290         * arm.cc (Arm_input_section::set_final_data_size): Compute
6291         accurate final data size instead of using current data size.
6292
6293 2010-04-09  Doug Kwan  <dougkwan@google.com>
6294
6295         * layout.cc (Layout::choose_output_section): Handle script section
6296         types.
6297         (Layout::make_output_section_for_script): Add section type parameter.
6298         Handle script section types.
6299         * layout.h (Layout::make_output_section_for_script): Add section
6300         type parameter.
6301         * output.cc (Output_section::Output_section): Initialize data member
6302         is_noload_.
6303         (Output_section::do_reset_address_and_file_offset): Do not set address
6304         to 0 if section is a NOLOAD section.
6305         * output.h (Output_section::is_noload): New method.
6306         (Output_section::set_is_noload): Ditto.
6307         (Output_section::is_noload_): New data member.
6308         * script-c.h (Script_section_type): New enum type.
6309         (struct Parser_output_section_header): Add new file section_type.
6310         * script-sections.cc (Sections_element::output_section_name): Add
6311         parameter for returning script section type.
6312         (Output_section_definition::output_section_name): Ditto.
6313         (Output_section_definition::section_type)P; New method.
6314         (Output_section_definiton::script_section_type_name): Ditto.
6315         (Output_section_definition::script_section_type_): New data member.
6316         (Output_section_definition::Output_section_definition): Initialize
6317         data member Output_section_definition::script_section_type_.
6318         (Output_section_definition::create_sections): Pass script section type
6319         to Layout::make_output_section_for_script.
6320         (Output_section_definition::output_section_name): Return script
6321         section type to caller.
6322         (Output_section_definition::set_section_address): Do not advance
6323         dot value and load address if section type is NOLOAD.  Set address
6324         of NOLOAD sections regardless of section flags.
6325         (Output_section_definition::print): Print section type if it is
6326         not SCRIPT_SECTION_TYPE_NONE.
6327         (Output_section_definition::section_type): New method.
6328         (Output_section_definition::script_section_type_name): Ditto.
6329         (Script_sections::output_section_name): Add new parameter
6330         PSECTION_TYPE for returning script section type.  Pass it to
6331         section elements.  Handle discard sections.
6332         (Sort_output_sections::operator()): Handle NOLOAD sections.
6333         * script-sections.h (Script_sections::Section_type): New enum type.
6334         (Script_sections::output_section_name): Add a new parameter for
6335         returning script section type.
6336         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
6337         INFO and NOLOAD.
6338         * yyscript.y (union): Add new field SECTION_TYPE.
6339         (COPY, DSECT, INFO, NOLOAD): New tokens.
6340         (opt_address_and_section_type): Change type to output_section_header.
6341         (section_type): New non-terminal
6342         (section_header): Handle section type.
6343         (opt_address_and_section_type): Return section type value.
6344
6345 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
6346
6347         * testsuite/plugin_common_test_1.c (foo): Add prototype.
6348         * testsuite/plugin_common_test_2.c (foo): Likewise.
6349
6350 2010-04-08  Doug Kwan  <dougkwan@google.com>
6351
6352         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
6353         Output_merge_data.
6354         * output.cc (Output_section::add_merge_input_section): Simplify
6355         code and return status of Output_merge_base::add_input_section.
6356         Update merge section map only if Output_merge_base::add_input_section
6357         returns true.
6358
6359 2010-04-07  Doug Kwan  <dougkwan@google.com>
6360
6361         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
6362         if section is marked as containing instructions but has no mapping
6363         symbols.
6364         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
6365         correct section index.
6366         (Arm_relobj::find_linked_text_section): Ditto.
6367
6368 2010-04-07  Cary Coutant  <ccoutant@google.com>
6369
6370         * archive.cc (include_member): Destroy Read_symbols_data object before
6371         releasing file.
6372         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
6373         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
6374         (Read_symbols_data::~Read_symbols_data) New destructor.
6375         (Section_relocs::Section_relocs) New constructor.
6376         (Section_relocs::~Section_relocs) New destructor.
6377         (Read_relocs_data::Read_relocs_data) New constructor.
6378         (Read_relocs_data::~Read_relocs_data) New destructor.
6379         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
6380         pointers to NULL after deleting.
6381
6382 2010-04-07  Doug Kwan  <dougkwan@google.com>
6383
6384         * arm.cc: Replace "endianity" with "endianness" in comments.
6385         (Arm_exidx_cantunwind): Ditto.
6386         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
6387         (Arm_relobj::merge_flags_and_attributes): New method.
6388         (Arm_relobj::merge_flags_and_attributes_): New data member.
6389         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
6390         (Arm_relobj::scan_sections_for_stubs): Ditto.
6391         (Arm_relobj::do_read_symbols): Check to see if we really want to
6392         merge processor-specific flags and attributes.  Exit early if
6393         an object is empty except for section names and the undefined symbol.
6394         (Target_arm::do_finalize_sections): Move check for ELF format to
6395         Arm_relobj::do_read_symbols.  Merge processor specific flags and
6396         attributes from a regular object only when we have determined that
6397         it is aapropriate.  Do not create an .ARM.attributes section in
6398         output if there is no regular input object.
6399         (Target_arm::merge_processor_specific_flags): Check
6400         --warn-mismatch before printing any error.
6401         (Target_arm::merge_object_attributes): Ditto.
6402         * gold.cc (queue_middle_tasks): Handle the case in which there is
6403         no regular object in input.
6404         * options.cc (General_options::parse_EB): New method.
6405         (General_options::parse_EL): Same.
6406         (General_options::General_options): Initialize endianness_.
6407         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
6408         New options.
6409         (General_options::Endianness): New enum.
6410         (General_options::endianness): New method.
6411         (General_options::endianness_): New data member.
6412         * parameters.cc (Parameters::set_options): Check target endianness.
6413         (Parameters::set_target_once): Ditto.
6414         (Parameters::check_target_endianness): New method.
6415         (parameters_force_valid_target): If either -EL or -EB is specified,
6416         use it to define endianness of default target.
6417         * parameters.h (Parameters::check_target_endianness): New method
6418         declaration.
6419         * target.h (class Target): Change "endianity" to "endianness"
6420         in comments.
6421
6422 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6423
6424         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
6425         * configure: Regenerate.
6426         * Makefile.in: Regenerate.
6427         * testsuite/Makefile.in: Regenerate.
6428
6429 2010-04-06  Cary Coutant  <ccoutant@google.com>
6430
6431         gcc PR lto/42757
6432         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
6433         prevailing definitions of common symbols.
6434         * testsuite/plugin_test_6.sh: New test case.
6435         * testsuite/plugin_common_test_1.c: New test case.
6436         * testsuite/plugin_common_test_2.c: New test case.
6437         * testsuite/Makefile.am (plugin_test_6): New test case.
6438         * testsuite/Makefile.in: Regenerate.
6439
6440 2010-04-06  Nick Clifton  <nickc@redhat.com>
6441
6442         * po/vi.po: New Vietnamese translation.
6443
6444 2010-03-30  Doug Kwan  <dougkwan@google.com>
6445
6446         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
6447
6448 2010-03-25  Doug Kwan  <dougkwan@google.com>
6449
6450         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
6451         to avoid a conversion warning on a 32-bit host.
6452
6453 2010-03-24  Ian Lance Taylor  <iant@google.com>
6454
6455         * testsuite/script_test_3.t: Add a TLS segment.
6456         * testsuite/Makefile.am (check_PROGRAMS): Add
6457         tls_phdrs_script_test.
6458         (tls_phdrs_script_test_SOURCES): Define.
6459         (tls_phdrs_script_test_DEPENDENCIES): Define.
6460         (tls_phdrs_script_test_LDFLAGS): Define.
6461         (tls_phdrs_script_test_LDADD): Define.
6462         * testsuite/Makefile.in: Rebuild.
6463
6464 2010-03-23  Cary Coutant  <ccoutant@google.com>
6465
6466         * fileread.cc (find_or_make_view): Fix comment.
6467
6468 2010-03-23  Ian Lance Taylor  <iant@google.com>
6469
6470         * script-sections.cc (class Orphan_section_placement): Define
6471         PLACE_TLS and PLACE_TLS_BSS.
6472         (Orphan_section_placement::Orphan_section_placement): Initialize
6473         new places.
6474         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
6475         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
6476         (tls_script_test_SOURCES): Define.
6477         (tls_script_test_DEPENDENCIES): Define.
6478         (tls_script_test_LDFLAGS): Define.
6479         (tls_script_test_LDADD): Define.
6480         * testsuite/Makefile.in: Rebuild.
6481
6482 2010-03-22  Doug Kwan  <dougkwan@google.com>
6483
6484         * arm.cc (Arm_relocate_functions::abs8,
6485         Arm_relocate_functions::abs16): Use correct check for overflow
6486         specified in the ARM ELF specs.
6487         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
6488         target of a BLX instruction specially.
6489         (Reloc_stub::stub_type_for_reloc): Ditto.
6490         (Relocate::relocate): Use symbolic names instead of numeric relocation
6491         codes to report error.
6492         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
6493         workaround.
6494         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
6495         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
6496         thumb2_blx_out_of_range.stdout
6497         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
6498         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
6499         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
6500         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
6501         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
6502         thumb2_blx_in_range, thumb2_blx_in_range.o,
6503         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
6504         thumb2_blx_out_of_range.o): New rules.
6505         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
6506         thumb2_blx_in_range and thumb2_blx_out_of_range.
6507         * testsuite/Makefile.in: Regenerate.
6508         * arm_branch_in_range.sh: Add tests for THUMB BLX.
6509         * testsuite/thumb_blx_in_range.s: New file.
6510         * testsuite/thumb_blx_out_of_range.s: New file.
6511
6512 2010-03-22  Rafael Espindola  <espindola@google.com>
6513
6514         * archive.cc (Should_include): Move to archive.h.
6515         (should_include_member): Make it a member of Archive.
6516         (Lib_group): New.
6517         (Add_lib_group_symbols): New.
6518         * archive.h: Include options.h.
6519         (Archive_member): Moved from Archive.
6520         (Should_include): Moved from archive.cc.
6521         (Lib_group): New.
6522         (Add_lib_group_symbols): New.
6523         * dynobj.cc (do_should_include_member): New.
6524         * dynobj.h (do_should_include_member): New.
6525         * gold.cc (queue_initial_tasks): Update call to queue.
6526         * main.cc (main): Print lib group stats.
6527         * object.cc (do_should_include_member): New.
6528         * object.h: Include archive.h.
6529         (Object::should_include_member): New.
6530         (Object::do_should_include_member): New.
6531         (Sized_relobj::do_should_include_member): New.
6532         * options.cc (General_options::parse_start_lib): New.
6533         (General_options::parse_end_lib): New.
6534         (Input_arguments::add_file): Handle lib groups.
6535         (Input_arguments::start_group): Check we are not in a lib.
6536         (Input_arguments::start_lib): New.
6537         (Input_arguments::end_lib): New.
6538         * options.h (General_options): Add start_lib and end_lib.
6539         (Input_argument::lib_): New.
6540         (Input_argument::lib): New.
6541         (Input_argument::is_lib): New.
6542         (Input_file_lib): New.
6543         (Input_arguments::in_lib_): New.
6544         (Input_arguments::in_lib): New.
6545         (Input_arguments::start_lib): New.
6546         (Input_arguments::end_lib_): New.
6547         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
6548         in unused members as preempted.
6549         (Sized_pluginobj::do_should_include_member): New.
6550         * plugin.h (Sized_pluginobj::do_should_include_member): New.
6551         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
6552         return the blocker.
6553         (Read_symbols::do_whole_lib_group): New.
6554         (Read_symbols::do_lib_group): New.
6555         (Read_symbols::do_read_symbols): Handle lib groups.
6556         (Read_symbols::get_name): Handle lib groups.
6557         * readsyms.h (Read_symbols): Add an archive member pointer.
6558         (Read_symbols::do_whole_lib_group): New.
6559         (Read_symbols::do_lib_group): New.
6560         (Read_symbols::member_): New.
6561         * script.cc (read_input_script): Update call to queue_soon.
6562
6563 2010-03-19  Doug Kwan  <dougkwan@google.com>
6564
6565         * arm.cc (Stub_table::Stub_table): Initialize new data members
6566         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
6567         (Stub_table::add_reloc_stub): Assign stub offset and update
6568         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
6569         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
6570         New data members.
6571         (Stub_table::update_data_size_and_addralign): Use
6572         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
6573         instead of going over all reloc stubs.
6574         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
6575         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
6576         Stringpool_template::offset_ to size of Stringpool_char.
6577         (Stringpool_template::new_key_offset): Remove code to initialize
6578         Stringpool_template::offset_.
6579         * stringpool.h (Stringpool_template::set_no_zero_null): Set
6580         Stringpool_template::offset_ to zero.
6581
6582 2010-03-15  Doug Kwan  <dougkwan@google.com>
6583
6584         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
6585         offset_.
6586         (Stringpool_template::new_key_offset): New method.
6587         (Stringpool_template::add_string): Assign offsets when adding new
6588         strings.
6589         (Stringpool_template::set_string_offsets): Do not set string offsets
6590         when not optimizing.
6591         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
6592         member size_.
6593         (Chunked_vector::clear): Clear size_.
6594         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
6595         (Chunked_vector::size): Return size_.
6596         (Chunked_vector::push_back): Use size_ to find insert position.
6597         (Chunked_vector::size_): New data member.
6598         (Stringpool_template::set_no_zero_null): Assert string set is empty.
6599         (Stringpool_template::new_key_offset): New method declaration.
6600         (Stringpool_template::offset_): New data member.
6601
6602 2010-03-15   Rafael Espindola  <espindola@google.com>
6603
6604         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
6605         Add_symbols' constructor.
6606         * readsyms.h (Add_symbols): Remove the input_group member.
6607
6608 2010-03-10  Ian Lance Taylor  <iant@google.com>
6609
6610         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
6611         target to ask whether a reference to a symbol requires a stack
6612         split.
6613         * target.h (Target::is_call_to_non_split): New function.
6614         (Target::do_is_call_to_non_split): Declare virtual function.
6615         * target.cc: Include "symtab.h".
6616         (Target::do_is_call_to_non_split): New function.
6617         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
6618
6619 2010-03-10  Cary Coutant  <ccoutant@google.com>
6620
6621         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
6622         (File_read::open[1]): Remove initial mapping of whole_file_view_.
6623         (File_read::open[2]): Add whole_file_view_ to list of views.
6624         (File_read::make_view): Remove test of whole_file_view_.
6625         (File_read::find_or_make_view): Create whole_file_view_ if
6626         necessary.
6627         (File_read::clear_views): Replace bool parameter with enum;
6628         adjust all callers.  Don't delete views with permanent data;
6629         do delete cached views and views from archives if
6630         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
6631         if clearing the corresponding view.
6632         * fileread.h (File_read::Clear_views_mode): New enum.
6633         (File_read::View::is_permanent_view): New method.
6634         (File_read::clear_views): Replace bool parameter
6635         with enum; adjust all callers.
6636         * options.h (General_options): Change keep_files_mapped option;
6637         add map_whole_files.
6638         * readsyms.cc (Add_symbols::run): Delete sd_ object before
6639         releasing the file.
6640         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
6641         the file.
6642
6643 2010-03-10  David S. Miller  <davem@davemloft.net>
6644
6645         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
6646
6647 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
6648
6649         * icf.cc (get_section_contents): Add '@' marker after processing the
6650         merge reloc.
6651
6652 2010-03-08  Doug Kwan  <dougkwan@google.com>
6653
6654         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
6655         due to a conversion warning.
6656         (Arm_relobj::update_output_local_symbol_count): Check for local
6657         symbol with unset output index.
6658
6659 2010-03-05  Ian Lance Taylor  <iant@google.com>
6660
6661         * options.h (class General_options): Add --spare-dynamic-tags.
6662         * output.cc (Output_data_dynamic::set_final_data_size): Implement
6663         --spare-dynamic-tags.
6664
6665 2010-03-05  Ian Lance Taylor  <iant@google.com>
6666
6667         * incremental.cc: Include "libiberty.h".
6668
6669 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6670
6671         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
6672         function, is_info_ member.
6673         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
6674         (Versions::Versions): Update caller.
6675         (Versions::define_base_version): Likewise.
6676         (Versions::add_def): Likewise.
6677
6678 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
6679
6680         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
6681         (Scan::possible_function_pointer_reloc): New function.
6682         (Scan::local_reloc_may_be_function_pointer): Change to call
6683         possible_function_pointer_reloc.
6684         (Scan::global_reloc_may_be_function_pointer): Ditto.
6685         * icf.h (Icf::check_section_for_function_pointers): Change to reject
6686         relocations in ".data.rel.ro._ZTV" section.
6687         * testsuite/icf_safe_so_test.sh: Change to pass i386.
6688         * testsuite/icf_safe_so_test.cc: Ditto.
6689         * testsuite/icf_safe_test.cc: Ditto.
6690         * testsuite/icf_safe_test.sh: Ditto.
6691
6692 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6693             Ian Lance Taylor  <iant@google.com>
6694
6695         * target-reloc.h (relocate_section): Check the symbol table index
6696         for -1U before setting the local symbol index.
6697         (scan_relocatable_relocs): If copying the relocation, record that
6698         the local symbol is required.
6699         * object.h (Symbol_value::is_output_symtab_index_set): New
6700         function.
6701         (Symbol_value::may_be_discarded_from_output_symtab): New
6702         function.
6703         (Symbol_value::has_output_symtab_entry): New function.
6704         (Symbol_value::needs_output_symtab_entry): Remove.
6705         (Symbol_value::output_symtab_index): Make sure the symbol index is
6706         set.
6707         (Symbol_value::set_output_symtab_index): Make sure the symbol
6708         index is not set.  Make sure the new index is valid.
6709         (Symbol_value::set_must_have_output_symtab_entry): New function.
6710         (Symbol_value::has_output_dynsym_entry): New function.
6711         (Symbol_value::set_output_dynsym_index): Make sure the new index
6712         is valid.
6713         (Sized_relobj::set_must_have_output_symtab_entry): New function.
6714         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
6715         local symbol if permitted.
6716         (Sized_relobj::do_finalize_local_symbols): Call
6717         is_output_symtab_index_set rather than needs_output_symtab_entry.
6718         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
6719         rather than needs_output_symtab_entry.  Call
6720         has_output_dynsym_entry rather than needs_output_dynsym_entry.
6721         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
6722         is_output_symtab_index_set rather than needs_output_symtab_entry.
6723         * testsuite/discard_locals_relocatable_test.c: New file.
6724         * testsuite/discard_locals_test.sh: Test -r.
6725         * testsuite/Makefile.am (check_DATA): Add
6726         discard_locals_relocatable_test1.syms,
6727         discard_local_relocatable_test2.syms.
6728         (MOSTLYCLEANFILES): Likewise.  Also add
6729         discard_locals_relocatable_test1.lout and
6730         discard_locals_relocatable_test2.out.
6731         (discard_locals_relocatable_test1.syms): New target.
6732         (discard_locals_relocatable_test.o): New target.
6733         (discard_locals_relocatable_test1.out): New target.
6734         (discard_locals_relocatable_test2.syms): New target.
6735         (discard_locals_relocatable_test2.out): New target.
6736         (various): Add missing ../ld-new dependencies.
6737         * testsuite/Makefile.in: Rebuild.
6738
6739 2010-03-03  Nick Clifton  <nickc@redhat.com>
6740
6741         * po/fi.po: New Finnish translation.
6742
6743 2010-03-01  Doug Kwan  <dougkwan@google.com>
6744
6745         * layout.cc (Layout::Layout): Force section types of .init_array*,
6746         .preinit_array* and .fini_array* sections.
6747         * output.cc (Output_section::Input_section_sort_entry::has_priority):
6748         Fix check of return value of std::string::find.().
6749         (Output_section::Input_section_sort_compare::operator()): Remove
6750         comment about .init_array.
6751         (Output_section::Input_section_sort_init_fini_compare::operator()):
6752         New method.
6753         (Output_section::sort_attached_input_sections): Handle .init_array
6754         and .fini_array specially.
6755         * output.h (Output_section::Inut_section_sort_compare): Update
6756         comment.
6757         (Output_section::Input_section_sort_init_fini_compare): New struct.
6758
6759 2010-02-26  Doug Kwan  <dougkwan@google.com>
6760
6761         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
6762         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
6763         * testsuite/debug_msg.sh: Avoid matching source line number for
6764         use of global variable undef_int.
6765
6766 2010-02-26  Doug Kwan  <dougkwan@google.com>
6767
6768         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
6769         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
6770         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
6771         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
6772         * options.cc (General_options::General_options): Initialize member
6773         fix_v4bx_.
6774         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
6775         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
6776         and rm_no_fix_v4bx.stdout
6777         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
6778         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
6779         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
6780         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
6781         and arm_no_fix_v4bx.
6782         * Makefile.in: Regenerate.
6783         * testsuite/arm_fix_v4bx.s: New file.
6784         * testsuite/arm_fix_v4bx.sh: Ditto.
6785
6786 2010-02-24  Doug Kwan  <dougkwan@google.com>
6787
6788         * arm.cc (Target_arm::got_section): Make the .got section the first
6789         non RELRO section in the data segment.
6790         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
6791         suffixes of section names.
6792
6793 2010-02-24  Doug Kwan  <dougkwan@google.com>
6794
6795         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
6796         flags and attributes merging if an input file is a binary file.
6797         * fileread.cc (Input_file::open): Record format of original file.
6798         * fileread.h (Input_file::Format): New enum type.
6799         (Input_file::Input_file): Initialize data member format_.
6800         (Input_file::format): New method definition.
6801         (Input_file::format_):: New data member.
6802
6803 2010-02-24  Doug Kwan  <dougkwan@google.com>
6804
6805         * arm.cc (Arm_output_data_got): New class.
6806         (ARM_TCB_SIZE): New constant
6807         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
6808         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
6809         If user uses a script with a SECTIONS clause, issue only a warning
6810         for a misplaced EXIDX input section.  Otherwise, issue an error.
6811         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
6812         garbage collection.
6813         (Target_arm::got_mode_index_entry): Handle static linking.
6814         (Target_arm::Scan::local): Ditto.
6815         (Target_arm::Scan::global): Ditto.
6816         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
6817         all incorrectly implemented relocations.
6818         (Target_arm::fix_exidx_coverage): Pass layout to
6819         Arm_output_section::fix_exidx_coverage.
6820         * layout.cc (Layout::section_name_mapping): Remove trailing dots
6821         from ".ARM.exidx." and ".ARM.extab.".
6822
6823 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6824
6825         * arm.cc (Target_arm::do_finalize_sections): Create attribute
6826         section if it does not already exist.
6827         * attributes.cc (Attributes_section_data::Attributes_section_data):
6828         Don't crash if size is zero.
6829
6830 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6831             Ian Lance Taylor  <iant@google.com>
6832
6833         * gold.cc (queue_middle_tasks): If no input files were opened,
6834         exit.
6835         * workqueue.h (Task_function::Task_function): Assert that there is
6836         a blocker.
6837
6838 2010-02-22  Doug Kwan  <dougkwan@google.com>
6839
6840         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
6841         * icf.cc (get_section_contents): Cast snprintf arguments to long long
6842         types to avoid warnings due to different uint64_t implementations
6843         on different hosts.
6844
6845 2010-02-21  Doug Kwan  <dougkwan@google.com>
6846
6847         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
6848         handling of the maximum backward branch offset.
6849         (Arm_relocate_functions::thumb_branch_common): Ditto.
6850         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
6851         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
6852         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
6853         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
6854         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
6855         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
6856         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
6857         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
6858         thumb_bl_out_of_range thumb_bl_out_of_range.o,
6859         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
6860         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
6861         thumb2_bl_out_of_range.o): New rules.
6862         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
6863         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
6864         thumb2_bl_out_of_range
6865         * testsuite/Makefile.in: Regenerate.
6866         * testsuite/arm_bl_in_range.s: New file.
6867         * testsuite/arm_bl_out_of_range.s: Ditto.
6868         * testsuite/arm_branch_in_range.sh: Ditto.
6869         * testsuite/arm_branch_range.t: Ditto.
6870         * testsuite/thumb2_branch_range.t: Ditto.
6871         * testsuite/thumb_bl_in_range.s: Ditto.
6872         * testsuite/thumb_bl_out_of_range.s: Ditto.
6873         * testsuite/thumb_branch_range.t: Ditto.
6874
6875 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
6876
6877         * gc.h (gc_process_relocs): Change vectors to point to the new list.
6878         Add reloc offset information.
6879         * icf.cc (get_section_contents): Change iterators to point to the new
6880         vectors. Add reloc offset information to the contents.
6881         * icf.h (Icf::Sections_reachable_info): New typedef.
6882         (Icf::Sections_reachable_list): New typedef.
6883         (Icf::Offset_info): New typedef.
6884         (Icf::Reloc_info): New struct typedef.
6885         (Icf::Reloc_info_list): New typedef.
6886         (Icf::symbol_reloc_list): Delete method.
6887         (Icf::addend_reloc_list): Delete method.
6888         (Icf::section_reloc_list): Delete method.
6889         (Icf::reloc_info_list): New method.
6890         (Icf::reloc_info_list_): New member.
6891
6892 2010-02-19  Doug Kwan  <dougkwan@google.com>
6893
6894         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
6895         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
6896         * arm.cc (Arm_relocation_functions): New forward declaration.
6897         (Target_arm::Target_arm): Initialize new data members
6898         got_mod_index_offset_ and tls_base_symbol_defined_.
6899         (Target_arm::Relocate::relocate_tls): New method.
6900         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
6901          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
6902         New methods.
6903         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
6904         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
6905         (Target_arm::got_mod_index_offset_,
6906         Target_arm::tls_base_symbol_defined_): New data members.
6907         (Target_arm::Scan::local, Target::Scan::global,
6908         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
6909         relocations.
6910
6911 2010-02-18  Doug Kwan  <dougkwan@google.com>
6912
6913         * arm.cc (Arm_relobj::find_linked_text_section): New method.
6914         (Arm_relobj::make_exidx_input_section): Pass section index of linked
6915         text section as a parameter becuase some broken tools may not set
6916         the link in section header.
6917         (Target_arm::has_got_section): New method.
6918         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
6919         without any mapping symbol as data only.  Remove warning.
6920         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
6921         link in its section header, try to discover the link by inspecting the
6922         REL31 relocation at the beginning of the section.
6923         (Target_arm::Scan::check_non_pic): Report name of offending relocation
6924         in error message.
6925         (Target_arm::Scan::global): Treat any reference to the symbol
6926         _GLOBAL_OFFSET_TABLE_ as a GOT access.
6927
6928 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
6929
6930         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
6931         (Scan::global_reloc_may_be_function_pointer): New function.
6932         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
6933         (Scan::global_reloc_may_be_function_pointer): New function.
6934         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
6935         (Scan::global_reloc_may_be_function_pointer): New function.
6936         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
6937         (Scan::global_reloc_may_be_function_pointer): New function.
6938         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
6939         (Scan::global_reloc_may_be_function_pointer): New function.
6940         (Scan::possible_function_pointer_reloc): New function.
6941         (Target_x86_64::can_check_for_function_pointers): New function.
6942         * gc.h (gc_process_relocs): Scan relocation types to determine if
6943         function pointers were taken for targets that support it.
6944         * icf.cc (Icf::find_identical_sections): Include functions for
6945         folding in safe ICF whose pointer is not taken.
6946         * icf.h (Secn_fptr_taken_set): New typedef.
6947         (fptr_section_id_): New member.
6948         (section_has_function_pointers): New function.
6949         (set_section_has_function_pointers): New function.
6950         (check_section_for_function_pointers): New function.
6951         * options.h: Fix comment for safe ICF option.
6952         * target.h (can_check_for_function_pointers): New function.
6953         * testsuite/Makefile.am: Add icf_safe_so_test test case.
6954         Modify icf_safe_test for X86-64.
6955         * testsuite/Makefile.in: Regenerate.
6956         * testsuite/icf_safe_so_test.cc: New file.
6957         * testsuite/icf_safe_so_test.sh: New file.
6958         * testsuite/icf_safe_test.cc (kept_func_3): New function.
6959         (main): Change to take pointer to function kept_func_3.
6960         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
6961         folding is done correctly for X86-64.
6962
6963 2010-02-12  David S. Miller  <davem@davemloft.net>
6964
6965         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
6966         is_symbolless parameter.
6967         (Output_reloc<SHT_REL>::is_symbolless): New.
6968         (Output_reloc<SHT_REL>::is_symbolless_): New.
6969         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
6970         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
6971         (Output_reloc<SHT_RELA>::is_symbolless): New.
6972         (Output_data_reloc::add_global): Handle is_symbolless.
6973         (Output_data_reloc::add_global_relative): Likewise.
6974         (Output_data_reloc::add_local): Likewise.
6975         (Output_data_reloc::add_local_relative): Likewise.
6976         (Output_data_reloc::add_symbolless_global_addend): New.
6977         (Output_data_reloc::add_symbolless_local_addend): New.
6978         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
6979         is_symbolless.
6980         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
6981         instead of ->is_relative_
6982         (Output_reloc::write): Likewise.
6983         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
6984         (Output_reloc::write_rel): Simplify.
6985
6986         * sparc.cc (Target_sparc::Scan::local): Use
6987         ->add_symbolless_local_addend as needed.
6988         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
6989         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
6990         based upon relocation offset.
6991
6992 2010-02-11  Doug Kwan  <dougkwan@google.com>
6993
6994         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
6995         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
6996         beginning of function.
6997         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
6998         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
6999         parameter is_32bit in calls to should_apply_static_reloc.
7000         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
7001         (check_DATA): Add arm_abs_global.stdout.
7002         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
7003         arm_abs_global.stdout): New rules.
7004         (MOSTLLYCLEANFILES): Add arm_abs_global
7005         * Makefile.in: Regenerate.
7006         * testsuite/arm_abs_global.s: New file.
7007         * testsuite/arm_abs_global.sh: Ditto.
7008         * testsuite/arm_abs_lib.s: Ditto.
7009
7010 2010-02-11  Ian Lance Taylor  <iant@google.com>
7011
7012         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
7013         Read_relocs task.
7014         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
7015         Allocate_commons_task first.
7016         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
7017         task, rather than symtab_lock_.
7018         (Gc_process_relocs::~Gc_process_relocs): New function.
7019         (Gc_process_relocs::is_runnable): Check this_blocker_.
7020         (Gc_process_relocs::locks): Use next_blocker_ rather than
7021         blocker_.
7022         (Scan_relocs::~Scan_relocs): New function.
7023         (Scan_relocs::is_runnable): Check this_blocker_ rather than
7024         symtab_lock_.
7025         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
7026         next_blocker_.
7027         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
7028         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
7029         constructor accordingly.
7030         (class Gc_process_relocs): Likewise.
7031         (class Scan_relocs): Likewise.
7032         * common.h (class Allocate_commons_task): Remove symtab_lock_
7033         field, and corresponding constructor parameter.
7034         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
7035         symtab_lock_.
7036         (Allocate_commons_task::locks): Likewise.
7037
7038 2010-02-11  Ian Lance Taylor  <iant@google.com>
7039
7040         * gold-threads.h (class Once): Define.
7041         (class Initialize_lock): Rewrite as child of Once.
7042         * gold-threads.cc (class Once_initialize): Define.
7043         (once_pointer_control): New static variable.
7044         (once_pointer, once_arg): New static variables.
7045         (c_run_once): New static function.
7046         (Once::Once, Once::run_once, Once::internal_run): New functions.
7047         (class Initialize_lock_once): Remove.
7048         (initialize_lock_control): Remove.
7049         (initialize_lock_pointer): Remove.
7050         (initialize_lock_once): Remove.
7051         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
7052         (Initialize_lock::initialize): Rewrite.
7053         (Initialize_lock::do_run_once): New function.
7054         * archive.cc (Archive::interpret_header): Only clear name if it is
7055         not already empty.
7056         * fileread.cc: Include "gold-threads.h"
7057         (file_counts_lock): New static variable.
7058         (file_counts_initialize_lock): Likewise.
7059         (File_read::release): Only increment counts when using --stats.
7060         Use a lock around the increment.
7061         * parameters.cc (class Set_parameters_target_once): Define.
7062         (set_parameters_target_once): New static variable.
7063         (Parameters::Parameters): Move here from parameters.h.
7064         (Parameters::set_target): Rewrite.
7065         (Parameters::set_target_once): New function.
7066         (Parameters::clear_target): Move here and rewrite.
7067         * parameters.h (class Parameters): Update declarations.  Add
7068         set_parameters_target_once_ field.
7069         (Parameters::Parameters): Move to parameters.cc.
7070         (Parameters::clear_target): Likewise.
7071         * readsyms.cc (Read_symbols::do_group): Create a Start_group
7072         task.
7073         (Start_group::~Start_group): New function.
7074         (Start_group::is_runnable): New function.
7075         (Start_group::locks, Start_group::run): New functions.
7076         (Finish_group::run): Change saw_undefined to size_t.
7077         * readsyms.h (class Start_group): Define.
7078         (class Finish_group): Change saw_undefined_ field to size_t.
7079         (Finish_group::Finish_group): Remove saw_undefined and
7080         this_blocker parameters.  Change all callers.
7081         (Finish_group::set_saw_undefined): New function.
7082         (Finish_group::set_blocker): New function.
7083         * symtab.h (class Symbol_table): Change saw_undefined to return
7084         size_t.  Change saw_undefined_ field to size_t.
7085         * target-select.cc (Set_target_once::do_run_once): New function.
7086         (Target_selector::Target_selector): Initialize set_target_once_
7087         field.  Don't initialize lock_ and initialize_lock_ fields.
7088         (Target_selector::instantiate_target): Rewrite.
7089         (Target_selector::set_target): New function.
7090         * target-select.h (class Set_target_once): Define.
7091         (class Target_selector): Update declarations.  Make
7092         Set_target_once a friend.  Remove lock_ and initialize_lock_
7093         fields.  Add set_target_once_ field.
7094
7095 2010-02-10  Ian Lance Taylor  <iant@google.com>
7096
7097         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
7098         queueing any tasks.
7099         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
7100         (queue_middle_tasks): Add all blockers before queueing any tasks.
7101         (queue_final_tasks): Likewise.
7102         * token.h (Task_token::add_blockers): New function.
7103         * object.h (Input_objects::number_of_relobjs): New function.
7104
7105 2010-02-10  Ian Lance Taylor  <iant@google.com>
7106
7107         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
7108         shared, not if not position independent.
7109         * x86_64.cc (Relocate::relocate_tls): Likewise.
7110         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
7111         (tls_pie_pic_test): New target.
7112         * testsuite/Makefile.in: Rebuild.
7113
7114         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
7115         (tls_test_main_pie.o, tls_test_pie.o): New targets.
7116         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
7117         * testsuite/Makefile.in: Rebuild.
7118
7119 2010-02-09  David S. Miller  <davem@davemloft.net>
7120
7121         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
7122         R_SPARC_RELATIVE using ->add_local_relative().
7123         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
7124
7125         * output.h (Output_data_dynamic::add_section_size): New method
7126         that takes two Output_data objects.
7127         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
7128         entry param.  Handle it in initializers.
7129         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
7130         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
7131         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
7132         arg.
7133         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
7134         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
7135         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
7136         for dynrel_includes_plt.
7137         * i386.cc (Target_i386::do_finalize_sections): Likewise.
7138         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7139         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
7140         before .rela.plt
7141         (Target_sparc::do_finalize_sections): Update to pass true for
7142         dynrel_includes_plt.
7143         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
7144         output before .rela.plt
7145         (Target_powerpc::do_finalize_sections): Update to pass true for
7146         dynrel_includes_plt when 32-bit.
7147
7148 2010-02-08  Doug Kwan  <dougkwan@google.com>
7149
7150         * arm.cc (Arm_relobj::simple_input_section_output_address): New
7151         method.
7152         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
7153         Arm_relobj::scan_section_for_cortex_a8_stubs,
7154         Arm_relobj::do_relocation_section): Instead of calling
7155         Output_section::output_address, use faster
7156         Arm_relobj::simple_input_section_output_address.
7157
7158 2010-02-08  David S. Miller  <davem@davemloft.net>
7159
7160         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
7161         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
7162         relocation helper function.
7163
7164         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
7165         just like R_SPARC_GOT{10,13,22}.
7166         (Target_sparc::Scan::local): Likewise.
7167         (Target_sparc::Relocate:relocate): Likewise.
7168
7169 2010-02-06  Ian Lance Taylor  <iant@google.com>
7170
7171         * configure.ac: Rewrite targetobjs duplicate removal code to use
7172         only shell constructs.
7173         * configure: Rebuild.
7174
7175 2010-02-05  Doug Kwan  <dougkwan@google.com>
7176
7177         PR 11247
7178         * arm.cc (Arm_relobj::section_is_scannable): New method.
7179         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
7180         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
7181
7182 2010-02-04  Doug Kwan  <dougkwan@google.com>
7183
7184         PR 11247
7185         * arm-reloc-property.cc (cstdio): Include.
7186         * configure.ac (targetobjs): Remove duplicates.
7187         * configure: Regenerate.
7188         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
7189         big and little endian version for a given address size.
7190
7191 2010-02-03  Doug Kwan  <dougkwan@google.com>
7192
7193         * arm-reloc-property.cc
7194         (Arm_reloc_property_table::reloc_name_in_error_message): New method
7195         definition.
7196         * arm-reloc-property.h
7197         (Arm_reloc_property_table::get_implemented_static_reloc_property):
7198         New method definition.
7199         (Arm_reloc_property_table::reloc_name_in_error_message): New method
7200         declaration.
7201         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
7202         overflow to N.
7203         (GOT_PREL): Change implemented to Y.
7204         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
7205         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
7206         (Arm_relocate_functions::movw_abs_nc): Remove method.
7207         (Arm_relocate_functions::movt_abs): Ditto.
7208         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
7209         (Arm_relocate_functions::thm_movt_abs): Ditto.
7210         (Arm_relocate_functions::movw_rel_nc): Ditto.
7211         (Arm_relocate_functions::movw_rel): Ditto.
7212         (Arm_relocate_functions::movt_rel): Ditto.
7213         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
7214         (Arm_relocate_functions:thm_movw_rel): Ditto.
7215         (Arm_relocate_functions:thm_movt_rel): Ditto.
7216         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
7217         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
7218         New method definitions.
7219         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
7220         (Arm_relocation_functions::arm_grp_ldr): Ditto.
7221         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
7222         (Arm_relocation_functions::arm_grp_ldc): Ditto.
7223         (Target_arm::Relocate::relocate): Check for non-static or
7224         unimplemented relocation code and exit early.  Change calls to
7225         Target_arm::reloc_uses_thumb_bit and
7226         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
7227         instead.  Refactor code to handle similar relocations to increase
7228         code sharing.  Remove check for unsupported relocation code in switch
7229         statement.
7230         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
7231         relocation property table to find out size.  Change error message to
7232         print out the name of a relocation code instead of the numeric value.
7233         (Target_arm::scan_reloc_for_stub): Use relocation property table
7234         instead of calling Target_arm::reloc_uses_thumb_bit().
7235
7236 2010-02-02  Doug Kwan  <dougkwan@google.com>
7237
7238         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
7239         types of relaxed input section.
7240
7241 2010-02-02  Doug Kwan  <dougkwan@google.com>
7242
7243         * Makefile.am (HFILES): Add arm-reloc-property.h.
7244         (DEFFILES): New.
7245         (TARGETSOURCES): Add arm-reloc-property.cc
7246         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
7247         (libgold_a_SOURCES): $(DEFFILES)
7248         * Makefile.in: Regenerate.
7249         * arm-reloc-property.cc: New file.
7250         * arm-reloc-property.h: New file.
7251         * arm-reloc.def: New file.
7252         * arm.cc: Update comments.
7253         (arm-reloc-property.h): New included header.
7254         (arm_reloc_property_table): New global variable.
7255         (Target_arm::do_select_as_default_target): New method definition.
7256         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
7257         arm-reloc-property to targ_extra_obj.
7258         * parameters.cc (set_parameters_target): Call
7259         Target::select_as_default_target().
7260         * target.h (Target::select_as_default_target): New method definition.
7261         (Target::do_select_as_default_target): Same.
7262
7263 2010-02-01  Doug Kwan  <dougkwan@google.com>
7264
7265         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
7266         first_output_text_section_.
7267         (Arm_exidx_fixup::first_output_text_section): New method definition.
7268         (Arm_exidx_fixup::first_output_text_section_): New data member.
7269         (Arm_exidx_fixup::process_exidx_section): Record the first text
7270         output section seen.
7271         (Arm_output_section::fix_exidx_coverage): Set correct linked section
7272         and entsize in output section header.
7273
7274 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7275
7276         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
7277         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
7278         (Arm_relocate_functions::thm_alu11): New Method.
7279         (Arm_relocate_functions::thm_pc8): New Method.
7280         (Arm_relocate_functions::thm_pc12): New Method.
7281         (Target_arm::Scan::local): Handle the relocations.
7282         (Target_arm::Scan::global): Likewise.
7283         (Target_arm::Relocate::relocate): Likewise.
7284         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7285
7286 2010-01-29  Doug Kwan  <dougkwan@google.com>
7287
7288         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
7289         of relocation types as ld.
7290
7291 2010-01-29  Doug Kwan  <dougkwan@google.com>
7292
7293         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
7294         to public.
7295         (Arm_relocate_functions::thumb_branch_common): Ditto.
7296         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
7297         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
7298         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
7299         Arm_relocate_functions::jump24): Remove.
7300         (Target_arm::Relocate::relocate): Adjust code to call
7301         Arm_relocation_functions::arm_branch_common and
7302         Arm_relocation_functions::thumb_branch_common instead of their removed
7303         wrappers.  Merge switch-cases together to reduce source code size.
7304
7305 2010-01-29  Doug Kwan  <dougkwan@google.com>
7306
7307         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
7308         output_local_symbol_count_needs_update_.
7309         (Arm_relobj::output_local_symbol_count_needs_update,
7310          Arm_relobj::set_output_local_symbol_count_needs_update,
7311          Arm_relobj::update_output_local_symbol_count): New methods.
7312         (Arm_relobj::output_local_symbol_count_needs_update_): New data
7313         member.
7314         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
7315         of pointed function as in a R_ARM_PREL31 relocation.
7316         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
7317         for output local symbol count updating.
7318         (Target_arm::do_relax): Update output local symbol counts in objects
7319         if necessary.
7320         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
7321
7322 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7323
7324         * arm.cc: Added support for the ARM relocations:
7325         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
7326         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
7327         (Arm_relocate_functions::movw_rel_nc): Renamed (was
7328         movw_prel_nc).
7329         (Arm_relocate_functions::movw_rel): New method.
7330         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
7331         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
7332         thm_movw_prel_nc).
7333         (Arm_relocate_functions::thm_movw_rel): New method.
7334         (Arm_relocate_functions::thm_movt_rel): Renamed (was
7335         thm_movt_prel).
7336         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
7337         relocations.
7338         (Target_arm::Scan::global): Likewise.
7339         (Target_arm::Relocate::relocate): Likewise.
7340         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7341         Likewise.
7342
7343 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7344
7345         * arm.cc: Added support for ARM group relocations.
7346         (Target_arm::reloc_needs_sym_origin): New method.
7347         (Arm_relocate_functions::calc_grp_kn): New method.
7348         (Arm_relocate_functions::calc_grp_residual): New method.
7349         (Arm_relocate_functions::calc_grp_gn): New method.
7350         (Arm_relocate_functions::arm_grp_alu): New Method.
7351         (Arm_relocate_functions::arm_grp_ldr): New Method.
7352         (Arm_relocate_functions::arm_grp_ldrs): New Method.
7353         (Arm_relocate_functions::arm_grp_ldc): New Method.
7354         (Target_arm::Scan::local): Handle the ARM group relocations.
7355         (Target_arm::Scan::global): Likewise.
7356         (Target_arm::Relocate::relocate): Likewise.
7357         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7358         Likewise.
7359
7360 2010-01-26  Doug Kwan  <dougkwan@google.com>
7361
7362         * arm.cc (set): Include.
7363         (class Arm_exidx_fixup): Change type of last_input_section_ to const
7364         pointer type.
7365         (Arm_output_section::Text_section_list): New type.
7366         (Arm_output_section::append_text_sections_to_list): New method.
7367         (Arm_output_section::fix_exidx_coverage): Ditto.
7368         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
7369         (Arm_relobj::convert_input_section_to_relaxed_section): Use
7370         Relobj::set_section_offset() instead of
7371         Sized_relobj::invalidate_section_offset().
7372         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
7373         parameter for section headers. Ignore relocation sections for
7374         unallocated sections and EXIDX sections.
7375         (Target_arm::fix_exidx_coverage): New method.
7376         (Target_arm::output_section_address_less_than): New type.
7377         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
7378         linked text section instead of the EXIDX section.
7379         (Arm_output_section::create_stub_group): Add an assertion to check
7380         that this is not an EXIDX output section.
7381         (Arm_output_section::append_text_sections_to_list): New method.
7382         (Arm_output_section::fix_exidx_coverage): Ditto.
7383         (Arm_relobj::scan_sections_for_stubs): Adjust call to
7384         Arm_relobj::section_needs_reloc_stub_scanning.
7385         (Target_arm::do_relax): Fix EXIDX output section coverage in the
7386         first pass.
7387         (Target_arm::fix_exidx_coverage): New method.
7388         * object.h (Relobj::set_output_section): New method.
7389         (Sized_relobj::invalidate_section_offset): Remove method.
7390         (Sized_relobj::do_invalidate_section_offset): Remove method.
7391         (Sized_relobj::do_set_section_offset): Handle offset value -1.
7392
7393 2010-01-25  Doug Kwan  <dougkwan@google.com>
7394
7395         * arm.cc (Arm_exidx_merged_section::do_output_offset):
7396         Fix warning due to signed and unsigned comparison on a 32-bit host.
7397
7398 2010-01-22  Doug Kwan  <dougkwan@google.com>
7399
7400         * arm.cc (Target_arm::do_relax): Record an output section for section
7401         offset adjustment it contains any stub table that has changed.
7402         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
7403         offsets in an output section if necessary.
7404         * output.cc (Output_section::Output_section): Initialize
7405         section_offsets_need_adjustments_.
7406         (Output_section::add_input_section_for_script): Renamed to
7407         Output_section::add_simple_input_section.
7408         (Output_section::save_states): Add a comment.
7409         (Output_section::discard_states): New method defintion.
7410         (Output_section::adjust_section_offsets): Same.
7411         * output.h (Output_section::add_input_section_for_script): Renamed to
7412         Output_section::add_simple_input_section.
7413         (Output_section::discard_states): New method declaration.
7414         (Output_section::adjust_section_offsets): Same.
7415         (Output_section::section_offsets_need_adjustment,
7416         Output_section::set_section_offsets_need_adjustment): New method
7417         definitions.
7418         (Output_section::section_offsets_need_adjustment_): New data member.
7419         * script-sections.cc
7420         (Output_section_element_input::set_section_address): Adjust code for
7421         renaming of Output_section::add_input_section_for_script.
7422         (Orphan_output_section::set_section_address): Same.
7423
7424 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7425
7426         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
7427         Fix_v4bx enum values .
7428         * gold/options.h (General_options): New option definitions.
7429         (General_options::fix_v4bx): New method.
7430         (General_options::Fix_v4bx): New enum.
7431         * gold/options.cc (General_options::parse_fix_v4bx): New method.
7432         (General_options::parse_fix_v4bx_interworking): New method.
7433
7434 2010-01-22  Doug Kwan  <dougkwan@google.com>
7435
7436         * arm.cc (Arm_exidx_fixup): New class.
7437
7438 2010-01-21  Doug Kwan  <dougkwan@google.com>
7439
7440         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
7441         classes.
7442         (Arm_exidx_section_offset_map): New type.
7443
7444 2010-01-21  Doug Kwan  <dougkwan@google.com>
7445
7446         * arm.cc (Arm_exidx_input_section): New class.
7447         (Arm_relobj::exidx_input_section_by_link,
7448         Arm_relobj::exidx_input_section_by_shndx,
7449         Arm_relobj::make_exidx_input_section): New methods.
7450         (read_arm_attributes_section): Remove.
7451         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
7452         information about them.
7453         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
7454         to here.
7455
7456 2010-01-20  Doug Kwan  <dougkwan@google.com>
7457
7458         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
7459         Input_section_specifier to Section_id.
7460         (Target_arm::new_arm_input_section: Adjust code for change of key
7461         type.
7462         (Target_arm::find_arm_input_section): Ditto.
7463         * gc.h (object.h): Include for Section_id nand Section_id_hash.
7464         (Section_id): Remove.
7465         (Garbage_collection::Section_id_hash): Remove.
7466         * icf.h (object.h): Include for Section_id nand Section_id_hash.
7467         (Section_id): Remove.
7468         (Icf::Section_id_hash): Remove.
7469         * object.h (Section_id, Const_section_id, Section_id_hash,
7470         Const_section_id_hash): New type definitions.
7471         * output.cc (Output_section::add_relaxed_input_section): Change to
7472         use Const_section_id instead of Input_section_specifier as key type.
7473         (Output_section::add_merge_input_section): Ditto.
7474         (Output_section::build_relaxation_map): Change to use Section_id
7475         instead of Input_section_specifier as key type.
7476         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
7477         Ditto.
7478         (Output_section::convert_input_sections_to_relaxed_sections): Change
7479         to use Const_section_id instead of Input_section_specifier as key type.
7480         (Output_section::find_merge_section): Ditto.
7481         (Output_section::find_relaxed_input_section): Ditto.
7482         * output.h (Input_section_specifier): Remove class.
7483         (Output_section::Output_section_data_by_input_section_map): Change
7484         key type to Const_section_id.
7485         (Output_section::Output_relaxed_input_section_by_input_section_map):
7486         Ditto.
7487         (Output_section::Relaxation_map): Change key type to Section_id.
7488
7489 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7490
7491         * gold/arm.cc: Added support for R_ARM_V4BX relocation
7492         (class Arm_v4bx_stub): New class.
7493         (DEF_STUBS): Updated definition to support v4_veneer_bx.
7494         (Stub_factory::make_arm_v4bx_stub): New method.
7495         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
7496         (Stub_table::empty): Handle v4bx stubs.
7497         (Stub_table::add_arm_v4bx_stub): New method.
7498         (Stub_table::find_arm_v4bx_stub): New method.
7499         (Arm_relocate_functions::v4bx): New method.
7500         (Target_arm::fix_v4bx): New method.
7501         (Target_arm::Target_arm): Handle R_ARM_V4BX.
7502         (Stub_table::relocate_stubs): Likewise.
7503         (Stub_table::do_write): Likewise.
7504         (Stub_table::update_data_size_and_addralign): Likewise.
7505         (Stub_table::finalize_stubs):  Likewise.
7506         (Target_arm::Scan::local): Likewise.
7507         (Target_arm::Scan::global): Likewise.
7508         (Target_arm::do_finalize_sections): Likewise.
7509         (Target_arm::Relocate::relocate): Likewise.
7510         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7511         Likewise.
7512         (Target_arm::scan_reloc_for_stub): Likewise.
7513         (Target_arm::scan_reloc_section_for_stubs): Likewise.
7514
7515 2010-01-19  Ian Lance Taylor  <iant@google.com>
7516
7517         * output.cc (Output_section_headers::do_sized_write): Write large
7518         segment count to sh_info field.
7519         (Output_file_header::do_sized_write): For large segment count,
7520         write PN_XNUM to e_phnum field.
7521
7522 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7523
7524         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
7525         (Arm_relocate_functions::thm_jump8): New function.
7526         (Arm_relocate_functions::thm_jump11): New function.
7527         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
7528         R_ARM_THM_JUMP11.
7529         (Target_arm::Scan::global): Likewise.
7530         (Target_arm::Relocate::relocate): Likewise.
7531         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7532         Likewise.
7533
7534 2010-01-14  Doug Kwan  <dougkwan@google.com>
7535
7536         * arm.cc (map, utility): Include headers.
7537         (Target_arm::apply_cortex_a8_workaround): New method.
7538         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
7539         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
7540         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
7541         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
7542         the --[no-]fix-cortex-a8 command line options.
7543         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
7544         (Target_arm::relocate_stub): Use addend in instruction template.
7545         * options.h (DEFINE_bool): Set the user-set flag.
7546         (General_options): Add --[no-]-fix-cortex options.
7547         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
7548         : Update fast look-up map after conversion.
7549
7550 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
7551
7552         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
7553         in the first pass of do_layout.
7554
7555 2010-01-13  Doug Kwan  <dougkwan@google.com>
7556
7557         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
7558         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
7559         apparent compiler problem of not folding static constant integral
7560         data members of elfcpp::Elf_sizes<32>.
7561
7562 2010-01-13  Doug Kwan  <dougkwan@google.com>
7563
7564         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
7565         Arm_relobj::section_needs_cortex_a8_stub_scanning,
7566         Arm_relobj::scan_section_for_cortex_a8_erratum,
7567         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
7568         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
7569         sections to scan for relocation stubs into a new method
7570         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
7571         relocation and Cortex-A8 stub scanning.
7572         (Target_arm::do_relax): Force stubs to be after stubbed sections
7573         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
7574         the beginning of a new relaxation pass.  Update a comment.
7575         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
7576
7577 2010-01-12  Ian Lance Taylor  <iant@google.com>
7578
7579         * target-reloc.h (visibility_error): New inline function.
7580         (relocate_section): Call visibility_error.
7581         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
7582         (MOSTLYCLEANFILES): Likewise.
7583         (protected_4_pic.o, protected_3.err): New targets.
7584         * testsuite/protected_4.cc: New file.
7585
7586 2010-01-12  Doug Kwan  <dougkwan@google.com>
7587
7588         * arm.cc (Cortex_a8_reloc): New class.
7589         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
7590         and cortex_a8_relocs_info_.
7591         (Target_arm::fix_cortex_a8): New method definition.
7592         (Target_arm::Cortex_a8_relocs_info): New type.
7593         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
7594         New data member declarations.
7595         (Target_arm::scan_reloc_for_stub): Record information about
7596         relocations for THUMB branches that might be exempted from the
7597         Cortex-A8 workaround.
7598         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
7599         at the beginning of a relaxation pass.
7600
7601 2010-01-12  Doug Kwan  <dougkwan@google.com>
7602
7603         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
7604         (Arm_relobj::Mapping_symbol_position,
7605          Arm_reloj::Mapping_symbol_position_less,
7606          Arm_relobj::Mapping_symbols_info): New types.
7607         (Target_arm::is_mapping_symbol_name): New method definition.
7608         (Arm_relobj::do_count_local_symbols): Save information about mapping
7609         symbols.
7610
7611 2010-01-11  Doug Kwan  <dougkwan@google.com>
7612
7613         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
7614         Arm_relocate_functions::thumb32_branch_upper,
7615         Arm_relocate_functions::thumb32_branch_lower,
7616         Arm_relocate_functions::thumb32_cond_branch_offset,
7617         Arm_relocate_functions::thumb32_cond_branch_upper,
7618         Arm_relocate_functions::thumb32_cond_branch_lower,
7619         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
7620         branch offset encoding.
7621         (Arm_relocate_functions::thumb_branch_common): Use new branch
7622         offset encoding methods to avoid code duplication.
7623         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
7624         (Stub_addend_reader::operator()): Use new branch encoding method
7625         to avoid code duplication.
7626
7627 2010-01-11  Doug Kwan  <dougkwan@google.com>
7628
7629         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
7630         (Target_arm::do_finalize_sections): Define special EXIDX section
7631         symbols only if referenced.
7632         * gc.h (Garbage_collection::add_reference): New method.
7633         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
7634         code duplication.
7635
7636 2010-01-11  Ian Lance Taylor  <iant@google.com>
7637
7638         * script.cc (Version_script_info::build_expression_list_lookup):
7639         Change complaing about duplicate wildcard match from error to
7640         warning.
7641
7642         * script.cc (class Lazy_demangler): Recreate--revert part of patch
7643         of 2009-12-30.
7644         (Version_script_info::Version_script_info): Initialize globs_,
7645         default_version_, default_is_global_, and exact_.  Don't
7646         initialize globals_ or locals_.
7647         (Version_script_info::build_lookup_tables): Build local symbols
7648         first.
7649         (Version_script_info::unquote): New function.
7650         (Version_script_info::add_exact_match): New function.
7651         (Version_script_info::build_expression_list_lookup): Remove lookup
7652         parameter.  Add is_global parameter.  Change all callers.  Handle
7653         wildcard pattern specially.  Unquote pattern.  Call
7654         add_exact_match.
7655         (Version_script_info::get_name_to_match): New function.
7656         (Version_script_info::get_symbol_version): New function.
7657         (Version_script_info::get_symbol_version_helper): Remove.
7658         (Version_script_info::check_unmatched_names): Call unquote.
7659         * script.h (class Version_script_info): Change get_symbol_version
7660         to be non-inline and add is_global parameter; change all callers.
7661         Rewrite symbol_is_local.  Update declarations.  Define struct
7662         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
7663         Remove globals_ and locals_ members.  Add exact_, globs_,
7664         default_version_, is_global_.
7665         (Version_script_info::Glob): Remove pattern, add expression and
7666         is_global.  Update constructor.  Change all callers.
7667         * dynobj.cc (Versions::finalize): Mark the version symbol as the
7668         default version.
7669         (Versions::symbol_section_contents): If a symbol is undefined, or
7670         defined in a dynamic object, set the version index to
7671         VER_NDX_LOCAL.
7672         * symtab.cc (Symbol_table::add_from_relobj): Don't call
7673         symbol_is_local.
7674         (Symbol_table::add_from_pluginobj): Likewise.
7675         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
7676
7677 2010-01-11  Doug Kwan  <dougkwan@google.com>
7678
7679         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
7680         (incremental_dump_LDADD): Add linking option for libintl.
7681         * Makefile.in: Regenerate.
7682
7683 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
7684
7685         PR gold/11144
7686         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
7687         instead of -Ds.
7688         * testsuite/Makefile.in: Regenerated.
7689
7690 2010-01-10  Doug Kwan  <dougkwan@google.com>
7691
7692         * options.h (DEFINE_var): Use parentheses around argument varname__
7693         in macro body to avoid any unintended subsequent substitutions.
7694
7695 2010-01-10  Ian Lance Taylor  <iant@google.com>
7696
7697         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
7698         candidates before doing symbol resolution.
7699
7700         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
7701         ODR candidates if only one is weak.
7702
7703 2010-01-08  Ian Lance Taylor  <iant@google.com>
7704
7705         * script.cc (Version_script_info::build_expression_list_lookup):
7706         Don't warn about ambiguous version, just record the ambiguity.
7707         (Version_script_info::get_symbol_version_helper): Give error if
7708         version is ambiguous.
7709
7710 2010-01-08  Doug Kwan  <dougkwan@google.com>
7711
7712         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
7713         prev_data_size_ and prev_addralign_.  Remove initializer for
7714         deleted data member has_been_changed_.
7715         (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
7716         to determine if the table is empty.
7717         (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
7718         Remove.
7719         (Stub_table::add_reloc_stub): Define method in class definition
7720         instead of just declaring it there.
7721         (Stub_table::add_cortex_a8_stub): New method definition.
7722         (Stub_table::update_data_size_and_addralign): Ditto.
7723         (Stub_table::finalize_stubs): Ditto.
7724         (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
7725         (Stub_table::do_addralign_): Return address alignment in the
7726         (Stub_table::do_reset_address_and_file_offset): Define method in
7727         class definition instead of declaring it there.  Set current data
7728         size to be the data size of the previous pass.
7729         (Stub_table::set_final_data_size): Use current data size as the
7730         final data size.
7731         (Stub_table::relocate_stub): Change parameter type of stub from
7732         Reloc_stub pointer to Stub pointer.
7733         (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
7734         (Stub_table::Cortex_a8_stub_list): New typedef.
7735         (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
7736          Stub_table::prev_addralign_): New data member.
7737         (Arm_relobj::Arm_relobj): Initialize data member
7738         section_has_cortex_a8_workaround_.
7739         (Arm_relobj::section_has_cortex_a8_workaround,
7740          Arm_relobj::mark_section_for_cortex_a8_workaround): New method
7741          definitions.
7742         (Arm_relobj::section_has_cortex_a8_workaround_): New data member
7743         declarations.
7744         (Target_arm::relocate_stub): Change parameter type of stub from
7745         Reloc_stub pointer to Stub pointer.
7746         (Insn_template::size, Insn_template::alignment): Handle
7747         THUMB16_SPECIAL_TYPE.
7748         (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
7749          Stub_table::update_data_size_and_addralign,
7750          Stub_table::apply_cortex_a8_workaround_to_address_range): New method
7751         definitions.
7752         (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
7753         (Stub_table::do_write): Ditto.
7754         (Target_arm::do_relax): Adjust code for changes in Stub_table.
7755
7756 2010-01-08  Ian Lance Taylor  <iant@google.com>
7757
7758         PR 11108
7759         * symtab.h (class Symbol): Remove fields is_target_special_ and
7760         has_plt_offset_.  Add field is_defined_in_discarded_section_.
7761         (Symbol::is_defined_in_discarded_section): New function.
7762         (Symbol::set_is_defined_in_discarded_section): New function.
7763         (Symbol::has_plt_offset): Rewrite.
7764         (Symbol::set_plt_offset): Verify that new offset is not -1U.
7765         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
7766         Don't initialize is_target_special_ or has_plt_offset_.
7767         Initialize is_defined_in_discarded_section_.
7768         (Symbol_table::add_from_relobj): If appropriate, set
7769         is_defined_in_discarded_section.
7770         * resolve.cc (Symbol::override_base_with_special): Don't test
7771         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
7772         * target-reloc.h (relocate_section): Do special handling for
7773         symbols defined in discarded sections for global symbols as well
7774         as local symbols.
7775
7776 2010-01-08  Ian Lance Taylor  <iant@google.com>
7777
7778         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
7779         the SHT_SYMTAB case.
7780
7781 2010-01-08  Ian Lance Taylor  <iant@google.com>
7782
7783         * object.cc (Sized_relobj::do_layout): Don't get confused if
7784         layout_eh_frame returns NULL.
7785
7786 2010-01-08  Ian Lance Taylor  <iant@google.com>
7787
7788         PR 11084
7789         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
7790         dynamic symbol table, use the normal symbol table.
7791         (Sized_dynobj::do_read_symbols): Remove assertion about type of
7792         symbol table.
7793
7794 2010-01-08  Ian Lance Taylor  <iant@google.com>
7795
7796         PR 11072
7797         * layout.cc (Layout::include_section): Remove .gnu_debuglink
7798         sections.
7799
7800 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
7801
7802         * version.cc (print_version): Change to "Copyright 2010".
7803
7804 2010-01-08  Ian Lance Taylor  <iant@google.com>
7805
7806         PR 10287
7807         PR 11063
7808         * i386.cc (class Target_i386): Change return type of plt_section
7809         to be non-const.
7810         (class Output_data_plt_i386): Add tls_desc_rel_ field.
7811         (Output_data_plt_i386::Output_data_plt_i386): Initialize
7812         tls_desc_rel_ field.
7813         (Output_data_plt_i386::rel_tls_desc): New function.
7814         (Target_i386::rel_tls_desc_section): New function.
7815         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
7816         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
7817         R_386_TLS_DESC reloc in rel_tls_desc_section.
7818         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
7819         Define struct Tlsdesc_info.
7820         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
7821         (Target_x86_64::do_reloc_symbol_index): New function.
7822         (Target_x86_64::add_tlsdesc_info): New function.
7823         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
7824         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
7825         tlsdesc_rel_ field.
7826         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
7827         all callers.
7828         (Output_data_plt_x86_64::rela_tlsdesc): New function.
7829         (Target_x86_64::rela_tlsdesc_section): New function.
7830         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
7831         handling.
7832         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
7833         (Target_x86_64::do_reloc_addend): New function.
7834         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
7835         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
7836         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
7837         (Output_reloc::type): New function.
7838         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
7839         (Output_reloc::is_target_specific): New function.
7840         (Output_reloc::target_arg): New function.
7841         (class Output_reloc) [SHT_RELA]: Add four new constructors for
7842         absolute relocs and target specific relocs.
7843         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
7844         add_target_specific.
7845         (class Output_data_reloc) [SHT_RELA]: Likewise.
7846         * output.cc (Output_reloc::Output_reloc): Add four new versions
7847         for absolute relocs and target specific relocs.
7848         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
7849         (Output_reloc::get_symbol_index): Likewise.
7850         (Output_reloc::local_section_offset): Check that local_sym_index_
7851         is not TARGET_CODE or 0.
7852         (Output_reloc::symbol_value): Likewise.
7853         (Output_reloc::write) [SHT_RELA]: Call target for target specific
7854         reloc.
7855         * target.h (class Target): Add reloc_symbol_index and reloc_addend
7856         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
7857         functions.
7858         * layout.cc (add_target_dynamic_tags): Use output section for
7859         DT_PLTRELSZ and DT_JMPREL.
7860
7861 2010-01-07  Ian Lance Taylor  <iant@google.com>
7862
7863         PR 11061
7864         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
7865         function.
7866         (class Output_data_reloc_generic): Define.
7867         (class Output_data_reloc_base): Change base class to
7868         Output_data_reloc_generic.  Change add() method to call
7869         bump_relative_reloc_count for a relative reloc.  Remove
7870         sort_relocs_ field.
7871         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
7872         to sort_relocs().
7873         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
7874         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
7875         appropriate.
7876         * layout.h (class Layout): Update declaration.
7877
7878 2010-01-07  Ian Lance Taylor  <iant@google.com>
7879
7880         * output.h (class Output_data): Add const version of
7881         output_section and do_output_section.
7882         (class Output_section_data): Add const version of
7883         do_output_section.
7884         (class Output_section): Likewise.
7885         * layout.cc (Layout::add_target_dynamic_tags): New function.
7886         * layout.h (class Layout): Update declarations.
7887         * arm.cc (Target_arm::do_finalize_sections): Use
7888         add_target_dynamic_tags.
7889         * i386.cc (Target_i386::do_finalize_sections): Likewise.
7890         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
7891         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
7892         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7893
7894 2010-01-07  Ian Lance Taylor  <iant@google.com>
7895
7896         PR 11042
7897         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
7898         object as needed.
7899
7900 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
7901             Ian Lance Taylor  <iant@google.com>
7902
7903         PR 11019
7904         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
7905         Xindex::read_symtab_xindex.
7906
7907 2010-01-07  Doug Kwan  <dougkwan@google.com>
7908
7909         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
7910         (Insn_template::thumb16_bcond_insn): New method declaration.
7911         (Insn_template): Fix spelling.
7912         (Stub::thumb16_special): New method declaration.
7913         (Stub::do_write): Define virtual method which was previously pure
7914         virtual.
7915         (Stub::do_thumb16_special): New method declaration.
7916         (Stub::do_fixed_endian_write): New template member.
7917         (Reloc_stub::do_write): Remove.
7918         (Reloc_stub::do_fixed_endian_write): Remove.
7919         (Cortex_a8_stub): New class definition.
7920         (Stub_factory::make_cortex_a8_stub): New method definition.
7921         (Stub_factory::Stub_factory): Add missing static storage class
7922         qualifier for elf32_arm_stub_a8_veneer_blx.
7923
7924 2010-01-07  Ian Lance Taylor  <iant@google.com>
7925
7926         PR 10980
7927         * options.h (class General_options): Add --warn-unresolved-symbols
7928         and --error-unresolved-symbols.
7929         * errors.cc (Errors::undefined_symbol): Implement
7930         --warn-unresolved-symbols.
7931
7932         * options.h (class General_options): Add -z text and -z textoff.
7933         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
7934
7935 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
7936
7937         * gc.h (Garbage_collection::Cident_section_map): New typedef.
7938         (Garbage_collection::cident_sections): New function.
7939         (Garbage_collection::add_cident_section): New function.
7940         (Garbage_collection::cident_sections_): New member.
7941         (gc_process_relocs): Add references to sections whose names are C
7942         identifiers.
7943         * gold.h (cident_section_start_prefix): New constant.
7944         (cident_section_stop_prefix): New constant.
7945         (is_cident): New function.
7946         * layout.cc (Layout::define_section_symbols): Replace string constants
7947         with the newly defined constants.
7948         * object.cc (Sized_relobj::do_layout): Track sections whose names are
7949         C identifiers.
7950         * testsuite/Makefile.am: Add gc_orphan_section_test.
7951         * testsuite/Makefile.in: Regenerate.
7952         * testsuite/gc_orphan_section_test.cc: New file.
7953         * testsuite/gc_orphan_section_test.sh: New file.
7954
7955 2010-01-06  Ian Lance Taylor  <iant@google.com>
7956
7957         PR 10980
7958         * options.h (class General_options): Add --warn-shared-textrel.
7959         * layout.cc (Layout::finish_dynamic_section): Implement
7960         --warn-shared-textrel.
7961
7962         PR 10980
7963         * options.h (class General_options): Add --warn-multiple-gp.
7964
7965 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7966
7967         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
7968         $(THREADSLIB) and $(LIBDL).
7969         * Makefile.in: Rebuild.
7970
7971 2010-01-06  Ian Lance Taylor  <iant@google.com>
7972
7973         PR 10980
7974         * options.cc (General_options::parse_section_start): New function.
7975         (General_options::section_start): New function.
7976         (General_options::General_options): Initialize all members.
7977         * options.h: Include <map>
7978         (class General_options): Add --section-start.  Add section_starts_
7979         member.
7980         * layout.cc (Layout::attach_allocated_section_to_segment): If
7981         --section-start was used, set the address of the segment.  Remove
7982         local sort_sections.
7983         (Layout::relaxation_loop_body): If the address of the load segment
7984         has been set by --section-start, don't use it.
7985         * output.h (Output_segment::update_flags_for_output_section): New
7986         function.
7987         * output.cc (Output_segment::add_output_section): Call
7988         update_flags_for_output_section.
7989
7990 2010-01-05  Ian Lance Taylor  <iant@google.com>
7991
7992         PR 10980
7993         * options.h (class General_options): Add --undefined-version.
7994         * script.cc (struct Version_expression): Add was_matched_by_symbol
7995         field.
7996         (Version_script_info::matched_symbol): New function.
7997         (Version_script_info::get_symbol_version_helper): Call
7998         matched_symbol.
7999         (Version_script_info::check_unmatched_names): New function.
8000         * script.h (class Version_script_info): Update declarations.
8001         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
8002
8003         * options.h (class General_options): Use DEFINE_bool_alias for
8004         allow_multiple_definition.
8005         * resolve.cc (Symbol_table::should_override): Don't test
8006         allow_multiple_definition.
8007
8008         PR 10980
8009         * options.h (class General_options): Add --cref.
8010         * main.cc (main): Print cref table if --cref.  Don't close mapfile
8011         until after printing cref table.
8012         * cref.cc: Include "symtab.h".
8013         (class Cref_inputs): Define Cref_table_compare and Cref_table.
8014         (Cref_table_compare::operator()): New function.
8015         (Cref_inputs::gather_cref): New function.
8016         (filecol): New static const.
8017         (Cref_inputs::print_cref): New function.
8018         (Cref::print_cref): New function.
8019         * cref.h: Include <cstdio>.
8020         (class Cref): Update declarations.
8021         * mapfile.h (Mapfile::file): New function.
8022         * object.h (class Object): Define Symbols.  Declare virtual
8023         do_get_global_symbols.
8024         (Object::get_global_symbols): New function.
8025         * object.cc (Input_objects::add_object): Pass object to cref_ if
8026         --cref.
8027         (Input_objects::archive_start): Likewise.
8028         (Input_objects::archive_stop): Likewise.
8029         (Input_objects::print_cref): New function.
8030         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
8031         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
8032         --cref.
8033         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
8034         function.
8035         * plugin.h (class Sized_pluginobj): Update declarations.
8036
8037 2010-01-05  Ian Lance Taylor  <iant@google.com>
8038
8039         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
8040         to is_default_version.  Rename insdef to insdefault.
8041         (Symbol_table::add_from_relobj): Rename def to is_default_version
8042         and local to is_forced_local.
8043         (Symbol_table::add_from_pluginobj): Likewise.
8044         (Symbol_table::add_from_dynobj): Likewise.
8045         (Symbol_table::define_special_symbol): Rename insdef to
8046         insdefault.
8047
8048 2010-01-04  Ian Lance Taylor  <iant@google.com>
8049
8050         PR 10980
8051         * options.h (class General_options): Add
8052         --allow-multiple-definition and -z muldefs.
8053         * resolve.cc (Symbol_table::should_override): Don't warn about a
8054         multiple symbol definition if --allow-multiple-definition or -z
8055         muldefs.
8056
8057         PR 10980
8058         * options.h (class General_options): Add --add-needed and
8059         --copy-dt-needed-entries.  Tweak --as-needed help entry.
8060         * object.cc (Input_objects::check_dynamic_dependencies): Give an
8061         error if --copy-dt-needed-entries aka --add-needed is used and
8062         would cause a change in behaviour.
8063
8064         PR 10980
8065         * options.h (class General_options): Add -G as a short version of
8066         --shared.  Add no-op options -assert, -g, and -i.
8067
8068 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
8069
8070         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
8071         check for .text or .gnu.linkonce.t sections.
8072         * icf.cc (Icf::find_identical_sections): Ditto.
8073         Change the detection for mangled function name within the section
8074         name.
8075         * icf.h (is_section_foldable_candidate): New function.
8076
8077 2009-12-30  Ian Lance Taylor  <iant@google.com>
8078
8079         PR 10980
8080         * options.h (class General_options): Permit two dashes with
8081         --retain-symbols-file.
8082
8083 2009-12-30  Ian Lance Taylor  <iant@google.com>
8084
8085         PR 10979
8086         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
8087         don't put the file header and segment headers in the text
8088         segment.
8089
8090         PR 10979
8091         * common.cc (Sort_commons::operator()): Stabilize sort when both
8092         entries are NULL.
8093         (Symbol_table::do_allocate_commons_list): When allocating common
8094         symbols, skip a symbol which is no longer common.
8095         * symtab.h (Symbol::is_common): Test whether the symbol comes from
8096         an object before checking its type.
8097         * testsuite/common_test_2.c: New file.
8098         * testsuite/common_test_3.c: New file.
8099         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
8100         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
8101         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
8102         (common_test_2_pic.o, common_test_2.so): New targets.
8103         (common_test_3_pic.o, common_test_3.so): New targets.
8104         * testsuite/Makefile.in: Rebuild.
8105
8106         PR 10979
8107         * script.cc (read_input_script): If we see a new SECTIONS clause,
8108         and we have added an input section, give an error.
8109         * layout.h (class Layout): Add have_added_input_section function.
8110         Add have_added_input_section_ field.
8111         * layout.cc (Layout::Layout): Initialize
8112         have_added_input_section_.
8113         (Layout::layout): Set have_added_input_section_.
8114         (Layout::layout_eh_frame): Likewise.
8115
8116 2009-12-30  Ian Lance Taylor  <iant@google.com>
8117
8118         PR 10931
8119         * options.h (class General_options): Add --sort-common option.
8120         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
8121         * common.cc (Sort_common): Add sort_order parameter to
8122         constructor.  Add sort_order_ field.
8123         (Sort_commons::operator): Check sort_order_.
8124         (Symbol_table::allocate_commons): Determine the sort order.
8125         (Symbol_table::do_allocate_commons): Add sort_order parameter.
8126         Change all callers.
8127         (Symbol_table::do_allocate_commons_list): Likewise.
8128
8129 2009-12-30  Ian Lance Taylor  <iant@google.com>
8130
8131         PR 10916
8132         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
8133         symbols from this object, don't change the visibility of an
8134         undefined symbol.
8135         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
8136
8137 2009-12-30  Ian Lance Taylor  <iant@google.com>
8138
8139         PR 10861
8140         * script.h (class Version_script_info): Define Language enum.
8141         Update declarations.  Define Glob, Exact, and Lookup types.  Add
8142         new fields globals_, locals_, and is_finalized_.
8143         * script.cc: Various formatting fixes.
8144         (class Parser_closure): Change language_stack_ from a vector of
8145         std::string to one of Version_script_info::Language.  Adjust all
8146         uses accordingly.
8147         (class Lazy_demangler): Remove.
8148         (struct Version_expression): Change language from std::string to
8149         Version_script_info::Language.
8150         (Version_script_info::Version_script_info): New function.
8151         (Version_script_info::~Version_script_info): Don't call clear.
8152         (Version_script_info::finalize): New function.
8153         (Version_script_info::build_lookup_tables): New function.
8154         (Version_script_info::build_expression_list_lookup): New
8155         function.
8156         (Version_script_info::get_symbol_version_helper): Rewrite to use
8157         lookup tables.
8158         (Version_script_info::print_expression_list): Adjust to use
8159         Version_script_info::Language.
8160         (script_push_lex_into_version_mode): Check that the version script
8161         has not been finalized.
8162         (version_script_push_lang): Change language string to
8163         Version_script_info::Language.
8164         * options.cc (Command_line::version_script): New function.
8165         * options.h (class General_options): Add finalize_dynamic_list
8166         function.  Change version_script from declaration to definition.
8167         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
8168         * testsuite/version_script.map: Remove duplicate def of foo.
8169         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
8170         version_script.map.
8171         * testsuite/Makefile.in: Rebuild.
8172
8173 2009-12-30  Ian Lance Taylor  <iant@google.com>
8174
8175         PR 10843
8176         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
8177         if the input symbol index is 0, make the output symbol index 0.
8178
8179 2009-12-30  Ian Lance Taylor  <iant@google.com>
8180
8181         PR 10670
8182         * options.h (class General_options): Add -x/--discard-all.
8183         * object.cc (Sized_relobj::do_count_local_symbols): Handle
8184         --discard-all.  If the local symbol needs a dynamic entry, check
8185         that before handling --discard-locals.
8186
8187 2009-12-30  Ian Lance Taylor  <iant@google.com>
8188
8189         PR 10450
8190         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
8191         flags to PF_R.
8192         (Output_segment::add_output_section): Don't change the flags if
8193         the type is PT_TLS.
8194
8195         PR 10450
8196         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
8197         GNU hash table if they need a dynamic value.  Otherwise, don't add
8198         them if they are defined in a dynamic object or are forced local.
8199
8200 2009-12-29  Ian Lance Taylor  <iant@google.com>
8201
8202         PR 10450
8203         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
8204         .gnu.hash table for a 32-bit target.
8205
8206         PR 10450
8207         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
8208         regular and a dynamic object only needs a dynamic symbol table
8209         entry if it is externally visible.
8210
8211         PR 10450
8212         * i386.cc (class Target_i386): Initialize global_offset_table_ in
8213         constructor.  Add global_offset_table_ field.
8214         (Target_i386::got_section): Set global_offset_table_.
8215         (Target_i386::do_finalize_sections): Set global_offset_table_
8216         size.
8217         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
8218         in constructor.  Add global_offset_table_ field.
8219         (Target_x86_64::got_section): Set global_offset_table_.
8220         (Target_x86_64::do_finalize_sections): Set global_offset_table_
8221         size.
8222
8223         * layout.cc (Layout::Layout): Initialize increase_relro_.
8224         (Layout::get_output_section): Add is_relro, is_last_relro, and
8225         is_first_non_relro parameters.  Change all callers.
8226         (Layout::choose_output_section): Likewise.
8227         (Layout::add_output_section_data): Likewise.
8228         (Layout::make_output_section): Likewise.
8229         (Layout::set_segment_offsets): Clear increase_relro when using a
8230         linker script.
8231         * layout.h (class Layout): Add increase_relro method.  Add
8232         increase_relro_ field.  Update declarations.
8233         * output.cc (Output_section::Output_section): Initialize
8234         is_last_relro_ and is_first_non_relro_.
8235         (Output_segment::add_output_section): Group relro sections is
8236         do_sort is true.  Handle is_last_relro and is_first_non_relro.
8237         (Output_segment::maximum_alignment): Remove relro handling.
8238         (Output_segment::set_section_addresses): Add increase_relro
8239         parameter.  Change all callers.  Add initial alignment to align
8240         relro sections on separate page.  Remove old relro handling.
8241         (Output_segment::set_section_list_addresses): Remove in_relro
8242         parameter.  Change all callers.
8243         (Output_segment::set_offset): Add increase parameter.  Change all
8244         callers.  Remove old relro handling.
8245         * output.h (class Output_section): Add new methods: is_last_relro,
8246         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
8247         Add is_last_relro_ and is_first_non_relro_ fields.
8248         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
8249         Create separate .got.plt section.  Call increase_relro.
8250         * x86_64.cc (Target_x86_64::got_section): Likewise.
8251         * testsuite/relro_script_test.t: Add .got.plt.
8252
8253         PR 10450
8254         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
8255         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
8256         (Layout::finalize): Call set_dynamic_symbol_size.
8257         (Layout::set_dynamic_symbol_size): New function.
8258         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
8259         set_dynamic_symbol_size.
8260
8261         PR 10450
8262         * output.h (class Output_section): Add is_entsize_zero_ field.
8263         * output.cc (Output_section::Output_section): Initialize
8264         is_entsize_zero_.
8265         (Output_section::set_entsize): If two different entsizes are
8266         requested, force it to zero.
8267         (Output_section::add_input_section): Set flags for .debug_str
8268         before updating section flags.  Set entsize.
8269         (Output_section::update_flags_for_input_section): Set SHF_MERGE
8270         and SHF_STRING if all input sections have those flags.
8271
8272 2009-12-29   Rafael Espindola  <espindola@google.com>
8273
8274         * main.cc (main): Fix the sys time reporting.
8275         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
8276         reporting.
8277
8278 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
8279
8280         * options.cc (General_options::parse_version): Allow -v to exit
8281         without an error if there is nothing to link.
8282
8283 2009-12-29  Ian Lance Taylor  <iant@google.com>
8284
8285         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
8286         using a version of gcc before 4.1.
8287         * configure: Rebuild.
8288
8289 2009-12-28  Chris Demetriou  <cgd@google.com>
8290
8291         * attributes.cc (Output_attributes_section_data::do_write): Use
8292         std::vector::front rather than std::vector::data.
8293
8294 2009-12-28  Ian Lance Taylor  <iant@google.com>
8295
8296         * symtab.h (class Symbol_table): Add enum Defined.
8297         * resolve.cc (Symbol_table::should_override): Add defined
8298         parameter.  Change all callers.  Test whether object is NULL
8299         before calling a method on it.
8300         (Symbol_table::report_resolve_problem): Add defined parameter.
8301         Change all callers.
8302         (Symbol_table::should_override_with_special): Likewise.
8303         * symtab.cc (Symbol_table::define_in_output_data): Add defined
8304         parameter.  Change all callers.
8305         (Symbol_table::do_define_in_output_data): Likewise.
8306         (Symbol_table::define_in_output_segment): Likewise.
8307         (Symbol_table::do_define_in_output_segment): Likewise.
8308         (Symbol_table::define_as_constant): Likewise.
8309         (Symbol_table::do_define_as_constant): Likewise.
8310         * script.h (class Symbol_assignment): Add is_defsym parameter to
8311         constructor; change all callers.
8312         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
8313         parameter.  Change all callers.  Add is_defsym_ field.
8314         (class Parser_closure): Add parsing_defsym parameter to
8315         constructor; change all callers.  Add parsing_defsym accessor
8316         function.  Add parsing_defsym_ field.
8317
8318 2009-12-28  Ian Lance Taylor  <iant@google.com>
8319
8320         * gold.cc (queue_middle_tasks): Fix formatting.
8321         * object.cc (Relobj::is_section_name_included): Likewise.
8322
8323 2009-12-23  Ian Lance Taylor  <iant@google.com>
8324
8325         * i386.cc (Target_i386::do_calls_non_split): Recognize
8326         -fsplit-stack prologue for a function with a static chain.
8327         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
8328         -fsplit-stack prologue when using %r11.
8329
8330 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
8331
8332         * options.cc (General_options::parse_version): Make -v continue and do
8333         the link like GNU ld does.
8334
8335 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
8336
8337         * Makefile.am (CCFILES): Add timer.cc.
8338         (HFILES): Add timer.h.
8339         * configure.ac: Check for sysconf and times.
8340         * main.cc: include timer.h.
8341         (main): Use Timer instead of get_run_time.
8342         * timer.cc: New.
8343         * timer.h: New.
8344         * workqueue.cc: include timer.h.
8345         (Workqueue::find_and_run_task):
8346         Report user, sys and wall time.
8347         * Makefile.in: Regenerate.
8348         * config.in: Regenerate.
8349         * configure: Regenerate.
8350
8351 2009-12-16  Doug Kwan  <dougkwan@google.com>
8352
8353         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
8354         sections.
8355         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
8356         relaxed input sections.
8357         * output.cc (Output_section::find_relaxed_input_section): Change
8358         return type to Output_relaxed_input_section pointer.  Adjust code
8359         for new type of relaxed_input_section_map_.
8360         * output.h (Output_section::find_relaxed_input_section): Change
8361         return type to Output_relaxed_input_section pointer.
8362         (Output_section::Output_relaxed_input_section_by_input_section_map):
8363         New type.
8364         (Output_section::relaxed_input_section_map_): Change type to
8365         Output_section::Output_relaxed_input_section_by_input_section_map.
8366         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
8367         input section.
8368
8369 2009-12-15  Ian Lance Taylor  <iant@google.com>
8370
8371         * layout.cc (Layout::create_shstrtab): Only write out after input
8372         sections if we are compressing debug sections.
8373
8374 2009-12-15  Ian Lance Taylor  <iant@google.com>
8375
8376         * archive.cc (Archive::add_symbols): Only look up a symbol without
8377         a version if there is, in fact, a version.
8378
8379 2009-12-14  Ian Lance Taylor  <iant@google.com>
8380
8381         Revert -Wshadow changes, all changes from:
8382         2009-12-11  Doug Kwan  <dougkwan@google.com>
8383         2009-12-11  Nick Clifton  <nickc@redhat.com>
8384         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
8385
8386 2009-12-11  Doug Kwan  <dougkwan@google.com>
8387
8388         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
8389         due to -Wshadow.
8390         * attributes.cc (Object_attribute::size): Ditto.
8391         (Attributes_section_data::size): Ditto.
8392         (Attributes_section_data::Attributes_section_data): Ditto.
8393         (Output_attributes_section_data::do_write): Ditto.
8394         * attributes.h (Object_attribute::set_type): Ditto.
8395         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
8396
8397 2009-12-11  Nick Clifton  <nickc@redhat.com>
8398
8399         * archive.cc: Fix shadowed variable warnings.
8400         * arm.cc: Likewise.
8401         * compressed_output.cc: Likewise.
8402         * compressed_output.h: Likewise.
8403         * configure: Likewise.
8404         * dwarf_reader.cc: Likewise.
8405         * dynobj.cc: Likewise.
8406         * dynobj.h: Likewise.
8407         * ehframe.cc: Likewise.
8408         * ehframe.h: Likewise.
8409         * errors.cc: Likewise.
8410         * expression.cc: Likewise.
8411         * fileread.cc: Likewise.
8412         * fileread.h: Likewise.
8413         * freebsd.h: Likewise.
8414         * i386.cc: Likewise.
8415         * icf.cc: Likewise.
8416         * incremental.h: Likewise.
8417         * layout.cc: Likewise.
8418         * layout.h: Likewise.
8419         * mapfile.cc: Likewise.
8420         * merge.cc: Likewise.
8421         * merge.h: Likewise.
8422         * object.cc: Likewise.
8423         * object.h: Likewise.
8424         * options.h: Likewise.
8425         * output.cc: Likewise.
8426         * output.h: Likewise.
8427         * parameters.cc: Likewise.
8428         * plugin.cc: Likewise.
8429         * powerpc.cc: Likewise.
8430         * reduced_debug_output.cc: Likewise.
8431         * reduced_debug_output.h: Likewise.
8432         * reloc.cc: Likewise.
8433         * reloc.h: Likewise.
8434         * resolve.cc: Likewise.
8435         * script-sections.cc: Likewise.
8436         * script.cc: Likewise.
8437         * script.h: Likewise.
8438         * sparc.cc: Likewise.
8439         * symtab.cc: Likewise.
8440         * symtab.h: Likewise.
8441         * target-select.cc: Likewise.
8442         * target-select.h: Likewise.
8443         * token.h: Likewise.
8444         * workqueue.cc: Likewise.
8445         * workqueue.h: Likewise.
8446         * x86_64.cc: Likewise.
8447
8448 2009-12-10  Doug Kwan  <dougkwan@google.com>
8449
8450         * arm.cc (attributes.h): New include.
8451         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
8452         (Arm_relobj::~Arm_relobj): Delete object pointed by
8453         attributes_section_data_.
8454         (Arm_relobj::attributes_section_data): New method definition.
8455         (Arm_relobj::attributes_section_data_): New data member declaration.
8456         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
8457         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
8458         attributes_section_data_.
8459         (Arm_dynobj::attributes_section_data): New method definition.
8460         (Arm_dynobj::attributes_section_data_): New data member declaration.
8461         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
8462         initialization value of may_use_blx_ to false.
8463         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
8464         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
8465         object attributes to compute results instead of hard-coding.
8466         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
8467         Target_arm::get_secondary_compatible_arch,
8468         Target_arm::set_secondary_compatible_arch
8469         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
8470         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
8471         New method declarations.
8472         (Target_arm::get_aeabi_object_attribute): New method definition.
8473         (Target_arm::attributes_section_data_): New data member declaration.
8474         (read_arm_attributes_section): New template definition.
8475         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
8476         (Arm_dynobj::do_read_symbols): Ditto.
8477         (Target_arm::do_finalize_sections): Merge attributes sections from
8478         input.  Check for BLX use after attributes section merging.
8479         Fix __exidx_start and __exidx_end visibility.  Create an
8480         .ARM.attributes section if necessary.
8481         (Target_arm::get_secondary_compatible_arch,
8482         Target_arm::set_secondary_compatible_arch,
8483         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
8484         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
8485         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
8486         New method definitions.
8487
8488 2009-12-09  Ian Lance Taylor  <iant@google.com>
8489
8490         * plugin.cc (Plugin::load): Don't cast from void* to a function
8491         pointer.
8492
8493 2009-12-09  Ian Lance Taylor  <iant@google.com>
8494
8495         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
8496         information fields.
8497
8498 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
8499
8500         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
8501         Replace two_file_shared_1.so with two_file_shared_2.so.
8502         * testsuite/Makefile.in: Regenerated.
8503
8504 2009-12-08  Doug Kwan  <dougkwan@google.com>
8505
8506         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
8507         (HFILES): Add attributes.h and int_encoding.h.
8508         * Makefile.in: Regenerate.
8509         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
8510         function definitions to int_encoding.cc
8511         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
8512         prototypes to int_encoding.h
8513         * reduced_debug_output.cc (int_encoding.h): New include.
8514         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
8515         function definitions to int_encoding.cc
8516         (insert_into_vector, read_from_pointer): Move template definitions to
8517         int_encoding.h
8518         * attributes.cc: New file.
8519         * attributes.h: New file.
8520         * int_encoding.cc: New file.
8521         * int_encoding.h: New file.
8522
8523 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
8524
8525         PR gold/11055
8526         * incremental-dump.cc (dump_incremental_inputs): New.
8527         (main): Use dump_incremental_inputs.
8528
8529 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
8530
8531         PR gold/10893
8532         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
8533         checking elfcpp::STT_FUNC.
8534         (Target_i386::Relocate::relocate): Likewise.
8535         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
8536
8537         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
8538         symbols from shared libraries into normal FUNC symbols.
8539
8540         * symtab.h (Symbol): Add is_func and use it.
8541
8542 2009-12-05  Doug Kwan  <dougkwan@google.com>
8543
8544         * arm.cc (Target_arm::arm_info): Initialize new fields
8545         attributes_section and attributes_vendor.
8546         * i386.cc (Target_i386::i386_info): Same.
8547         * object.cc (Sized_relobj::do_layout): Skip attribute section.
8548         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
8549         fields attributes_section and attributes_vendor.
8550         * sparc.cc (Target_sparc::sparc_info): Same.
8551         * target.h (Target::attributes_section, Target::attributes_vendor,
8552         Target::is_attributes_section, Target::attribute_arg_type,
8553         Target::attributes_order): New method definitions.
8554         (Target::Target_info::attributes_section,
8555         Target::Target_info::attributes_vendor): New fields.
8556         (Target::do_attribute_arg_type, Target::do_attributes_order): New
8557         virtual method definitions.
8558         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
8559         attributes_section and attributes_vendor.
8560         * testsuite/testfile.cc (Target_test::test_target_info): Same.
8561
8562 2009-12-05  Doug Kwan  <dougkwan@google.com>
8563
8564         * arm.cc: Update comments about interworking and stub generation.
8565         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
8566         considered as non-PIC.
8567         (Arm_relocate_functions::base_abs): Fix formatting.
8568         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
8569         of function to use GOT entry address instead of offset.
8570         (Target_arm::Scan::global): Issue an error if a symbol would need a
8571         PLT does not get one because it is untyped.  Remove code to create
8572         dynamic symbols for relative branches.
8573         (Target_arm::Relocate::relocate: Use 0 instead of false since function
8574         takes unsigned integer instead of boolean.
8575
8576 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
8577
8578         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
8579         (two_file_test_LDADD): Likewise.
8580         (common_test_1_LDADD): Likewise.
8581         (exception_test_LDADD) Likewise.
8582         (weak_test_LDADD): Likewise.
8583         (many_sections_test_LDADD): Likewise.
8584         (initpri1_LDADD): Likewise.
8585         (script_test_1_LDADD): Likewise.
8586         (script_test_2_LDADD): Likewise.
8587         (justsyms_LDADD): Likewise.
8588         (binary_test_LDADD): Likewise.
8589         (large_LDADD): Likewise.
8590         * testsuite/Makefile.in: Regenerated.
8591
8592 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
8593
8594         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
8595         (Symbol_table::override_with_special): Likewise.
8596         (Symbol_table::add_from_object): Likewise.
8597
8598 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
8599
8600         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
8601         Don't set the data_offset twice.
8602
8603 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
8604
8605         * testsuite/Makefile.in: Regenerate.
8606
8607 2009-12-03  Doug Kwan  <dougkwan@google.com>
8608
8609         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
8610         (Target_arm::do_finalize_sections): Add parameter for symbol table
8611         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
8612         * i386.cc (Target_i386::do_finalize_sections): Add an additional
8613         parameter for symbol table pointer.
8614         * layout.cc (Layout::finalize): Call Target::finalize_sections with
8615         an additional parameter for a pointer to symbol table.
8616         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
8617         parameter for a symbol table pointer.
8618         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
8619         * target.h (Target::finalize_sections, Target::do_finalize_sections):
8620         Ditto.
8621         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
8622         parameter for a symbol table pointer.
8623
8624 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
8625
8626         * incremental.cc (Incremental_inputs_header)
8627         (Incremental_inputs_header_write, Incremental_inputs_entry)
8628         (Incremental_inputs_entry_write): Move ...
8629         * incremental.h (Incremental_inputs_header)
8630         (Incremental_inputs_header_write, Incremental_inputs_entry)
8631         (Incremental_inputs_entry_write): here.
8632
8633 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
8634
8635         * incremental.cc (make_sized_incremental_binary): Set the target.
8636         Error if it is incompatible.
8637         * output.h (Output_file): Add filename method.
8638
8639 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
8640
8641         * incremental.cc (Incremental_inputs_entry): Remove unused argument
8642         from the get_* methods.
8643
8644 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
8645
8646         * incremental-dump.cc (main): Check that the offeset of a script is 0.
8647         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
8648         Write 0 for the data_offset of scripts.
8649
8650 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
8651
8652         * testsuite/Makefile.am: Add the incremental_test.sh test.
8653         * testsuite/incremental_test.sh: New.
8654         * testsuite/incremental_test_1.c: New.
8655         * testsuite/incremental_test_2.c: New.
8656
8657 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
8658
8659         * incremental-dump.cc (main): Fix typos.
8660
8661 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
8662
8663         PR gold/11025
8664         * incremental-dump.cc (main): Use llu to print 64 bit values.
8665
8666 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
8667             H.J. Lu  <hongjiu.lu@intel.com>
8668
8669         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
8670         $(LIBDL).
8671         (incremental_dump_LDADD): Likewise.
8672         * Makefile.in: Regenerated.
8673
8674 2009-11-25  Doug Kwan  <dougkwan@google.com>
8675
8676         Revert:
8677
8678         2009-11-25  Doug Kwan  <dougkwan@google.com>
8679
8680                 * arm.cc (Target_arm::Target_arm): Move method definition
8681                 outside of class definition.  Add code to handle
8682                 --target1-rel, --target1-abs and --target2= options.
8683                 (Target_arm::get_reloc_reloc_type): Change method to be
8684                 non-static and const.
8685                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
8686                 New data member declaration.
8687                 (Target_arm::Scan::local, Target_arm::Scan::global,
8688                 Target_arm::Relocate::relocate,
8689                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8690                 Adjust call to Target_arm::get_real_reloc_type.
8691                 (Target_arm::get_real_reloc_type): Use command line options
8692                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
8693                 * options.h (--target1-rel, --target1-abs, --target2): New
8694                 ARM-only options.
8695
8696 2009-11-25  Doug Kwan  <dougkwan@google.com>
8697
8698         * arm.cc (Target_arm::Target_arm): Move method definition outside of
8699         class definition.  Add code to handle --target1-rel, --target1-abs
8700         and --target2= options.
8701         (Target_arm::get_reloc_reloc_type): Change method to be non-static
8702         and const.
8703         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
8704         member declaration.
8705         (Target_arm::Scan::local, Target_arm::Scan::global,
8706         Target_arm::Relocate::relocate,
8707         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
8708         call to Target_arm::get_real_reloc_type.
8709         (Target_arm::get_real_reloc_type): Use command line options to
8710         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
8711         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
8712         options.
8713
8714 2009-11-25  Doug Kwan  <dougkwan@google.com>
8715
8716         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
8717         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
8718         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
8719         formatting.
8720         (Arm_relocate_functions::thm_call): Replace body with a call to
8721         Arm_relocate_functions::thumb_branch_common.
8722         (Arm_relocate_functions::thm_jump24,
8723         Arm_relocate_functions::thm_xpc22): New method definitions.
8724         (Arm_relocate_functions::thumb_branch_common): New method definition.
8725         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
8726         operator.
8727         (Target_arm::Relocate::relocate): Adjust call to thm_call.
8728         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
8729
8730 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
8731
8732         * Makefile.am: Build incremental-dump
8733         * Makefile.in: Regenerate.
8734         * incremental-dump.cc: New.
8735         * incremental.cc (Incremental_inputs_header_data,
8736         Incremental_inputs_entry_data): Move to incremental.h
8737         * incremental.h: (Incremental_inputs_header_data,
8738         Incremental_inputs_entry_data): Move from incremental.cc
8739
8740 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
8741
8742         * incremental.cc (Incremental_inputs_header,
8743         Incremental_inputs_header_write, Incremental_inputs_entry,
8744         Incremental_inputs_entry_write): Add a typedef with the data type.
8745
8746 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
8747
8748         * incremental.cc (Incremental_inputs_header,
8749         Incremental_inputs_header_write, Incremental_inputs_entry,
8750         Incremental_inputs_entry_write): Update comment about which
8751         type has the filed descriptions.
8752
8753 2009-11-15  Doug Kwan  <dougkwan@google.com>
8754
8755         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
8756         (Arm_relocate_functions::arm_branch_common): Change method defintion
8757         in class definition to a method declaration and update list of formal
8758         parameters.
8759         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
8760         Arm_relocation_functions::jump24): Adjust call to
8761         Arm_relocate_functions::arm_branch_common.  Update list of formal
8762         parameters.
8763         (Arm_relocate_functions::xpc25): New method definition.
8764         (Arm_relocate_functions::arm_branch_common): Move method defintion
8765         out from class definition.  Use stubs for mode-switching and extending
8766         branch ranges.
8767         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
8768         specially.  Change code to enable use of stubs in ARM branches.
8769
8770 2009-11-10  Doug Kwan  <dougkwan@google.com>
8771
8772         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
8773         in method declaration.
8774         (Target_arm::relocate_stub): New method declaration.
8775         (Target_arm::default_target): Change to return a pointer instead of
8776         a const reference.
8777         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
8778         Target_arm::default_target.
8779         (Arm_Relobj::do_relocate_sections): Remove options paramater in
8780         method definition.
8781         (Target_arm::relocate_section): Adjust view.
8782         (Target_arm::relocate_stub): New method definition.
8783
8784 2009-11-10  Doug Kwan  <dougkwan@google.com>
8785
8786         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
8787         a format warning.
8788         * incremental.cc (open_incremental_binary): Initialized local
8789         variables to avoid warnings.
8790         * object.cc (make_elf_object): Ditto.
8791         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
8792         a format warning.
8793
8794 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
8795
8796         PR gold/10930
8797         * testsuite/plugin_test.c: Include "config.h".
8798
8799 2009-11-09  Doug Kwan  <dougkwan@google.com>
8800
8801         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
8802         (arm_symbol_value): Remove.
8803         (Arm_relocate_functions::arm_branch_common,
8804         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
8805         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
8806         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
8807         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
8808         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
8809         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
8810         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
8811         Arm_relocate_functions::thm_mobw_abs_nc,
8812         Arm_relocate_functions::thm_mov_abs,
8813         Arm_relocate_functions::movw_prel_nc,
8814         Arm_relocate_functions::thm_movt_abs,
8815         Arm_relocate_functions::movt_prel,
8816         Arm_relocate_functions::thm_movw_prel_nc,
8817         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
8818         (Target_arm::Relocate::relocate): Only decompose address into two
8819         parts if relocation type uses the thumb-bit and pass the actual
8820         bit instead of a flag indicating that the thumb-bit is used.  Adjust
8821         calls to methods in Arm_relocate_functions for this change.
8822
8823 2009-11-08  Ian Lance Taylor  <iant@google.com>
8824
8825         PR 10925
8826         * reloc.cc: Instantiate
8827         Sized_relobj::initialize_input_to_output_maps and
8828         Sized_relobj:free_input_to_output_maps.
8829
8830 2009-11-06  Ian Lance Taylor  <iant@google.com>
8831
8832         PR 10876
8833         * defstd.cc (in_segment): Set only_if_ref true for "end".
8834
8835 2009-11-06  Doug Kwan  <dougkwan@google.com>
8836
8837         * arm.cc (class Reloc_stub): Correct a comment.
8838         (Target_arm::Target_arm): Initialize arm_input_section_map_.
8839         (Target_arm::scan_section_for_stubs): New method declaration.
8840         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
8841         Change methods from private to protected.
8842         (Target_arm::do_may_relax): New method definition.
8843         (Target_arm::do_relax, Target_arm::group_sections,
8844         Target_arm::scan_reloc_for_stub,
8845         Target_arm::scan_reloc_section_for_stubs): New method declarations.
8846         (Target_arm::arm_input_section_map_): New data member declaration.
8847         (Target_arm::scan_reloc_for_stub,
8848         Target_arm::scan_reloc_section_for_stubs,
8849         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
8850         Target_arm::do_relax): New method definitions.
8851
8852 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
8853
8854         * configure.ac: Check for (struct stat)::st_mtim
8855         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
8856         * config.in: Regenerate.
8857         * configure: Regenerate.
8858
8859 2009-11-05  Ian Lance Taylor  <iant@google.com>
8860
8861         PR 10910
8862         * output.cc (Output_segment::add_output_section): Add missing
8863         return statement.
8864
8865 2009-11-04  Ian Lance Taylor  <iant@google.com>
8866
8867         PR 10880
8868         * object.h (class Object): Add is_needed and set_is_needed
8869         methods.  Add is_needed_ field.  Make bool fields into bitfields.
8870         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
8871         defined in a dynamic object and referenced by a regular object,
8872         set is_needed for the dynamic object.
8873         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
8874         if the file is marked with as_needed and it is not needed.
8875
8876 2009-11-04  Ian Lance Taylor  <iant@google.com>
8877
8878         PR 10887
8879         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
8880         tags if data is discarded by linker script.
8881         * i386.cc (Target_i386::do_finalize_sections): Likewise.
8882         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
8883         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
8884         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
8885
8886 2009-11-04  Ian Lance Taylor  <iant@google.com>
8887
8888         * layout.cc (Layout::get_output_section): Add is_interp and
8889         is_dynamic_linker_section parameters.  Change all callers.
8890         (Layout::choose_output_section): Likewise.
8891         (Layout::make_output_section): Likewise.
8892         (Layout::add_output_section_data): Add is_dynamic_linker_section
8893         parameter.  Change all callers.
8894         * layout.h (class Layout): Update declarations.
8895         * output.h (class Output_section): Add is_interp, set_is_interp,
8896         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
8897         Add is_interp_, is_dynamic_linker_section_ fields.  Change
8898         generate_code_fills_at_write_ to a bitfield.
8899         * output.cc (Output_section::Output_sections): Initialize new
8900         fields.
8901         (Output_segment::add_output_section): Add do_sort parameter.
8902         Change all callers.
8903
8904 2009-11-03  Ian Lance Taylor  <iant@google.com>
8905
8906         PR 10860
8907         * options.h (class General_options): Add --warn-common.
8908         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
8909         merging two common symbols.
8910         (Symbol_table::should_override): Handle --warn-common when merging
8911         a common symbol with a defined symbol.  Use report_resolve_problem
8912         for multiple definitions.
8913         (Symbol_table::report_resolve_problem): New function.
8914         * symtab.h (class Symbol_table): Declare report_resolve_problem.
8915
8916 2009-11-03  Doug Kwan  <dougkwan@google.com>
8917
8918         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
8919         stub_factory_.
8920         (Target_arm::stub_factory): New method definition.
8921         (Target_arm::new_arm_input_section,
8922         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
8923         Target_arm::reloc_uses_thumb_bit): New method declarations.
8924         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
8925         New type definitions.
8926         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
8927         member declarations.
8928         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
8929         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
8930         New method definitions.
8931
8932 2009-11-03  Ian Lance Taylor  <iant@google.com>
8933
8934         * options.h (class General_options): Add --warn_constructors.
8935
8936 2009-11-03  Ian Lance Taylor  <iant@google.com>
8937
8938         PR 10893
8939         * defstd.cc (in_section): Add entries for __rel_iplt_start,
8940         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
8941
8942 2009-11-03  Ian Lance Taylor  <iant@google.com>
8943
8944         PR 10895
8945         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
8946         --msgid-bugs-address.
8947         (install-pdf): New target.
8948         (install-data_yes): Look up one directory to find mkinstalldirs.
8949
8950 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
8951
8952         * po/Make-in (.po.gmo): Don't generate .gmo files in source
8953         tree.
8954
8955 2009-10-30  Doug Kwan  <dougkwan@google.com>
8956
8957         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
8958
8959 2009-10-30  Doug Kwan  <dougkwan@google.com>
8960
8961         * arm.cc (Stub_addend_reader): New struct template definition
8962         and partial specializations.
8963         (Stub_addend_reader::operator()): New method definition for a
8964         partially specialized template.
8965
8966 2009-10-30  Doug Kwan  <dougkwan@google.com>
8967
8968         * arm.cc (Arm_relobj::processor_specific_flags): New method
8969         definition.
8970         (Arm_relobj::do_read_symbols): New method declaration.
8971         (Arm_relobj::processor_specific_flags_): New data member declaration.
8972         (Arm_dynobj): New class definition.
8973         (Target_arm::do_finalize_sections): Add input_objects parameter.
8974         (Target_arm::do_adjust_elf_header): New method declaration.
8975         (Target_arm::are_eabi_versions_compatible,
8976         (Target_arm::merge_processor_specific_flags): New method declaration.
8977         (Target_arm::do_make_elf_object): New overloaded method definitions
8978         and declaration.
8979         (Arm_relobj::do_read_symbols): New method definition.
8980         (Arm_dynobj::do_read_symbols): Ditto.
8981         (Target_arm::do_finalize_sections): Add input_objects parameters.
8982         Merge processor-specific flags from all input objects.
8983         (Target_arm::are_eabi_versions_compatible,
8984         Target_arm::merge_processor_specific_flags,
8985         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
8986         New method definitions.
8987         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
8988         Input_objects pointer type parameter.
8989         * layout.cc (Layout::finalize): Pass input objects to target's.
8990         finalize_sections function.
8991         * output.cc (Output_file_header::do_sized_write): Set ELF file
8992         header's processor-specific flags.
8993         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
8994         Input_objects pointer type parameter.
8995         * sparc.cc (Target_sparc::do_finalize_sections): Same.
8996         * target.h (Input_objects): New forward class declaration.
8997         (Target::processor_specific_flags,
8998         Target::are_processor_specific_flags_sect): New method definitions.
8999         (Target::finalize_sections): Add input_objects parameter.
9000         (Target::Target): Initialize processor_specific_flags_ and
9001         are_processor_specific_flags_set_.
9002         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
9003         parameter.
9004         (Target::set_processor_specific_flags): New method definition.
9005         (Target::processor_specific_flags_,
9006         Target::are_processor_specific_flags_set_): New data member
9007         declarations.
9008         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
9009         Input_objects pointer type parameter.
9010
9011 2009-10-30  Doug Kwan  <dougkwan@google.com>
9012
9013         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
9014
9015 2009-10-28  Ian Lance Taylor  <iant@google.com>
9016
9017         * object.h (class Relobj): Drop options parameter from
9018         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
9019         do_scan_relocs, do_relocate.  Change all callers.
9020         (class Sized_relobj): Drop options parameters from
9021         do_gc_process_relocs, do_scan_relocs, do_relocate,
9022         do_relocate_sections, relocate_sections, emit_relocs_scan,
9023         emit_relocs_scan_reltype.  Change all callers.
9024         (struct Relocate_info): Remove options field and all references to
9025         it.
9026         * reloc.h (class Read_relocs): Remove options constructor
9027         parameter and options_ field.  Change all callers.
9028         (class Gc_process_relocs, class Scan_relocs): Likewise.
9029         (class Relocate_task): Likewise.
9030         * target-reloc.h (scan_relocs): Remove options parameter.  Change
9031         all callers.
9032         (scan_relocatable_relocs): Likewise.
9033         * target.h (class Sized_target): Remove options parameter from
9034         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
9035         all callers.
9036         * gc.h (gc_process_relocs): Remove options parameter.  Change all
9037         callers.
9038         * arm.cc: Update functions to remove options parameters.
9039         * i386.cc: Likewise.
9040         * powerpc.cc: Likewise.
9041         * sparc.cc: Likewise.
9042         * x86_64.cc: Likewise.
9043         * testsuite/testfile.cc: Likewise.
9044
9045 2009-10-28  Doug Kwan  <dougkwan@google.com>
9046
9047         * arm.cc (Arm_relobj): New class definition.
9048         (Arm_relobj::scan_sections_for_stubs,
9049         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
9050         New method definitions.
9051
9052 2009-10-28  Cary Coutant  <ccoutant@google.com>
9053
9054         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
9055         (Plugin::cleanup_done_): New member.
9056         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
9057         (Plugin_manager::cleanup_done_): Remove.
9058         (Plugin_manager::add_input_file): Edit error message.
9059         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
9060         (Plugin_manager::cleanup): Remove use of cleanup_done_.
9061
9062 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
9063
9064         * fileread.cc: (File_read::View::~View): Use the new
9065         data_ownership_ filed.
9066         (File_read::~File_read): Dispose the new whole_file_view_.
9067         (File_read::open): Mmap the whole file if needed.
9068         (File_read::open): Use whole_file_view_ instead of contents_.
9069         (File_read::find_view): Use whole_file_view_ if applicable.
9070         (File_read::do_read): Use whole_file_view_ instead of contents_.
9071         (File_read::make_view): Use whole_file_view_ instead of contents_,
9072         update File_read::View::View call.
9073         (File_read::find_or_make_view): Update File_read::View::View
9074         call.
9075         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
9076         remove contents_
9077         (File_read::View::Data_ownership): New enum.
9078         (File_read::View::View): Replace bool mapped_ with Data_ownership
9079         argument.
9080         (File_read::View::mapped_): Remove (replaced by data_ownership_).
9081         (File_read::View::data_ownership_): New field.
9082         (File_read::contents_): Remove (replaced by whole_file_view_).
9083         (File_read::whole_file_view_): New field.
9084         * options.h (class General_options): Add --keep-files-mapped.
9085
9086 2009-10-27  Cary Coutant  <ccoutant@google.com>
9087
9088         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
9089         * testsuite/Makefile.am (plugin_test_5): New test case.
9090         * testsuite/Makefile.in: Regenerate.
9091
9092 2009-10-25  Doug Kwan  <dougkwan@google.com>
9093
9094         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
9095         from private to protected to allow access by child class.
9096         (Sized_relobj::do_relocate_sections): New method declaration.
9097         (Sized_relobj::relocate_sections): Virtualize.
9098         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
9099         Sized_relobj::relocate_sections.  Instantiate template explicitly
9100         for different target sizes and endianity.
9101
9102 2009-10-24  Doug Kwan  <dougkwan@google.com>
9103
9104         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
9105         (Arm_input_section::as_arm_input_section): New method.
9106         (Arm_output_section): New class definition.
9107         (Arm_output_section::create_stub_group,
9108         Arm_output_section::group_sections): New method definitions.
9109
9110 2009-10-22  Doug Kwan  <dougkwan@google.com>
9111
9112         * arm.cc (Arm_input_section): New class definition.
9113         (Arm_input_section::init, Arm_input_section:do_write,
9114         Arm_input_section::set_final_data_size,
9115         Arm_input_section::do_reset_address_and_file_offset): New method
9116         definitions.
9117
9118 2009-10-21  Doug Kwan  <dougkwan@google.com>
9119
9120         * arm.cc (Stub_table, Arm_input_section): New forward class
9121         declarations.
9122         (Stub_table): New class defintion.
9123         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
9124         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
9125         New method definition.
9126
9127 2009-10-21  Doug Kwan  <dougkwan@google.com>
9128
9129         * arm.cc: Update copyright comments.
9130         (Target_arm): New forward class template declaration.
9131         (Arm_address): New type.
9132         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
9133         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
9134         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
9135         constants.
9136         (Insn_template): Same.
9137         (DEF_STUBS): New macro.
9138         (Stub_type): New enum type.
9139         (Stub_template): New class definition.
9140         (Stub): Same.
9141         (Reloc_stub): Same.
9142         (Stub_factory): Same.
9143         (Target_arm::Target_arm): Initialize may_use_blx_ and
9144         should_force_pic_veneer_.
9145         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
9146         Target_arm::should_force_pic_veneer,
9147         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
9148         Target_arm::using_thumb_only, Target_arm:;default_target): New
9149         method defintions.
9150         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
9151         New data member declarations.
9152         (Insn_template::size, Insn_template::alignment): New method defintions.
9153         (Stub_template::Stub_template): New method definition.
9154         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
9155         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
9156         (Stub_factory::Stub_factory): New method definition.
9157         * gold.h (string_hash): New template.
9158         * output.h (Input_section_specifier::hash_value): Use
9159         gold::string_hash.
9160         (Input_section_specifier::string_hash): Remove.
9161         * stringpool.cc (Stringpool_template::string_hash): Use
9162         gold::string_hash.
9163
9164 2009-10-20  Doug Kwan  <dougkwan@google.com>
9165
9166         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
9167         symbols of relaxed input sections.
9168         * output.h (Output_section::find_relaxed_input_section): Make
9169         method public.
9170
9171 2009-10-16  Doug Kwan  <dougkwan@google.com>
9172
9173         * dynobj.cc (Versions::Versions): Initialize version_script_.
9174         Only insert base version symbol definition for a shared object
9175         if version script defines any version versions.
9176         (Versions::define_base_version): New method definition.
9177         (Versions::add_def): Check that base version is not needed.
9178         (Versions::add_need): Define base version lazily.
9179         * dynobj.h (Versions::define_base_version): New method declaration.
9180         (Versions::needs_base_version_): New data member declaration.
9181         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
9182         (check_DATA): Add no_version_test.stdout.
9183         (libno_version_test.so, no_version_test.o no_version_test.stdout):
9184         New make rules.
9185         * testsuite/Makefile.in: Regenerate.
9186         * testsuite/no_version_test.c: New file.
9187         * testsuite/no_version_test.sh: Ditto.
9188
9189 2009-10-16  Doug Kwan  <dougkwan@google.com>
9190
9191         * expression.cc (class Segment_start_expression): New class definition.
9192         (Segment_start_expression::value): New method definition.
9193         (script_exp_function_segment_start): Return a new
9194         Segment_start_expression.
9195         * gold/script-c.h (script_saw_segment_start_expression): New function
9196         prototype.
9197         * script-sections.cc (Script_sections::Script_sections): Initialize
9198         SAW_SEGMENT_START_EXPRESSION_ to false.
9199         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
9200         and -Tbbs options to specify section addresses if given in
9201         command line and no SEGMENT_START expression is seen in a script.
9202         * script-sections.h (Script_sections::saw_segment_start_expression,
9203         Script_sections::set_saw_segment_start_expression): New method
9204         definition.
9205         (Script_sections::saw_segment_start_expression_): New data member
9206         declaration.
9207         * script.cc (script_saw_segment_start_expression): New function.
9208         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
9209         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
9210         script_test_7.sh and script_test_8.sh.
9211         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
9212         script_test_8.stdout.
9213         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
9214         (script_test_6, script_test_6.stdout, script_test_7,
9215         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
9216         * Makefile.in: Regenerate.
9217         * testsuite/script_test_6.sh: New file.
9218         * testsuite/script_test_6.t: Same.
9219         * testsuite/script_test_7.sh: Same.
9220         * testsuite/script_test_7.t: Same.
9221         * testsuite/script_test_8.sh: Same.
9222
9223 2009-10-16  Doug Kwan  <dougkwan@google.com>
9224
9225         * output.cc (Output_segment::set_section_list_address): Cast
9226         expressions to unsigned long long type to avoid format warnings.
9227
9228 2009-10-15  Ian Lance Taylor  <iant@google.com>
9229
9230         * script.cc (Script_options::add_symbol_assignment): Always add a
9231         dot assignment to script_sections_.
9232         * script-sections.cc (Script_sections::add_dot_assignment):
9233         Initialize if necessary.
9234
9235         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
9236         program headers with no load segment if there is a linker script.
9237
9238         * layout.cc (Layout::set_segment_offsets): Align the file offset
9239         to the segment aligment for -N or -n with no load segment.
9240         * output.cc (Output_segment::add_output_section): Don't crash if
9241         the first section is a TLS section.
9242         (Output_segment::set_section_list_addresses): Print an error
9243         message if the address moves backward in a linker script.
9244         * script-sections.cc
9245         (Output_section_element_input::set_section_addresses): Don't
9246         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
9247         (Orphan_output_section::set_section_addresses): Likewise.
9248
9249 2009-10-15  Doug Kwan  <dougkwan@google.com>
9250
9251         * layout.cc (Layout::finish_dynamic_section): Generate tags
9252         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
9253         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
9254         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
9255
9256 2009-10-14  Ian Lance Taylor  <iant@google.com>
9257
9258         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
9259         fields.
9260         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
9261         data_shdr fields of relinfo.
9262         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
9263         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
9264         R_386_TLS_LDO_32, adjust based on section flags.
9265         (Target_i386::Relocate::fix_up_ldo): Remove.
9266
9267 2009-10-13  Ian Lance Taylor  <iant@google.com>
9268
9269         Add support for -pie.
9270         * options.h (class General_options): Add -pie and
9271         --pic-executable.
9272         (General_options::output_is_position_independent): Test -pie.
9273         (General_options::output_is_executable): Return true if not shared
9274         and not relocatable.
9275         (General_options::output_is_pie): Remove.
9276         * options.cc (General_options::finalize): Reject incompatible uses
9277         of -pie.
9278         * gold.cc (queue_middle_tasks): A -pie link is not static.
9279         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
9280         * symtab.cc (Symbol::final_value_is_known): Return false if
9281         output_is_position_independent.
9282         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
9283         output_is_position_independent.
9284         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
9285         output_is_position_independent.
9286         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
9287         output_is_position_independent.
9288         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
9289         two_file_pie_test.
9290         (basic_pie_test.o, basic_pie_test): New targets.
9291         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
9292         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
9293         (two_file_pie_test): New target.
9294         * testsuite/Makefile.in: Rebuild.
9295         * README: Remove note saying that -pie is not supported.
9296
9297 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
9298
9299         * options.h (class General_options): Add -init and -fini.
9300         * layout.cc (Layout::finish_dynamic_section): Emit
9301         given init and fini functions.
9302
9303 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
9304
9305         * gc.h (gc_process_relocs): Check if icf is enabled using new
9306         function.
9307         * gold.cc (queue_initial_tasks): Likewise.
9308         (queue_middle_tasks): Likewise.
9309         * object.cc (do_layout): Likewise.
9310         * symtab.cc (is_section_folded): Likewise.
9311         * main.cc (main): Likewise.
9312         * reloc.cc (Read_relocs::run): Likewise.
9313         (Sized_relobj::do_scan_relocs): Likewise.
9314         * icf.cc (is_function_ctor_or_dtor): New function.
9315         (Icf::find_identical_sections): Check if function is ctor or dtor when
9316         safe icf is chosen.
9317         * options.h (General_options::icf): Change option to be an enum.
9318         (Icf_status): New enum.
9319         (icf_enabled): New method.
9320         (icf_safe_folding): New method.
9321         (set_icf_status): New method.
9322         (icf_status_): New variable.
9323         * (options.cc) (General_options::finalize): Set icf_status_.
9324         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
9325         icf_test and icf_keep_unique_test to use the --icf enum flag.
9326         * testsuite/icf_safe_test.sh: New file.
9327         * testsuite/icf_safe_test.cc: New file.
9328
9329 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
9330
9331         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
9332         includes to gc.h and icf.h.
9333         * arm.cc: Include gc.h.
9334         * gold.cc: Likewise.
9335         * i386.cc: Likewise.
9336         * powerpc.cc: Likewise.
9337         * sparc.cc: Likewise.
9338         * x86_64.cc: Likewise.
9339         * gc.h: Include icf.h.
9340
9341 2009-10-11  Ian Lance Taylor  <iant@google.com>
9342
9343         * plugin.cc: Include "gold.h" before other header files.
9344
9345 2009-10-10  Chris Demetriou  <cgd@google.com>
9346
9347         * options.h (Input_file_argument::Input_file_type): New enum.
9348         (Input_file_argument::is_lib_): Replace with...
9349         (Input_file_argument::type_): New member.
9350         (Input_file_argument::Input_file_argument): Take Input_file_type
9351         'type' rather than boolean 'is_lib' as second argument.
9352         (Input_file_argument::is_lib): Use type_.
9353         (Input_file_argument::is_searched_file): New function.
9354         (Input_file_argument::may_need_search): Handle is_searched_file.
9355         * options.cc (General_options::parse_library): Support -l:filename.
9356         (General_options::parse_just_symbols): Update for Input_file_argument
9357         changes.
9358         (Command_line::process): Likewise.
9359         * archive.cc (Archive::get_file_and_offset): Likewise.
9360         * plugin.cc (Plugin_manager::release_input_file): Likewise.
9361         * script.cc (read_script_file, script_add_file): Likewise.
9362         * fileread.cc (Input_file::Input_file): Likewise.
9363         (Input_file::will_search_for): Handle is_searched_file.
9364         (Input_file::open): Likewise.
9365         * readsyms.cc (Read_symbols::get_name): Likewise.
9366         * testsuite/Makefile.am (searched_file_test): New test.
9367         * testsuite/Makefile.in: Regenerate.
9368         * testsuite/searched_file_test.cc: New file.
9369         * testsuite/searched_file_test_lib.cc: New file.
9370
9371 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9372             Ian Lance Taylor  <iant@google.com>
9373
9374         * descriptor.cc: Include <cstdio> and "binary-io.h".
9375         (Descriptors::open): Open the files in binary mode always.
9376         * script.cc (Lex::get_token): Treat \r as whitespace.
9377
9378 2009-10-09  Ian Lance Taylor  <iant@google.com>
9379
9380         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
9381
9382 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9383             Ian Lance Taylor  <iant@google.com>
9384
9385         * configure.ac: Check for readv function also.
9386         * fileread.cc (readv): Define if not HAVE_READV.
9387         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
9388         does not exist.
9389         * config.in: Regenerate.
9390         * configure: Regenerate.
9391
9392 2009-10-09  Doug Kwan  <dougkwan@google.com>
9393
9394         * layout.cc (Layout::make_output_section): Call target hook to make
9395         ordinary output section.
9396         (Layout::finalize): Adjust parameter list of call the
9397         Target::may_relax().
9398         * layout.h (class Layout::section_list): New method.
9399         * merge.h (Output_merge_base::entsize): Change visibility to public.
9400         (Output_merge_base::is_string, Output_merge_base::do_is_string):
9401         New methods.
9402         (Output_merge_string::do_is_string): New method.
9403         * object.cc (Sized_relobj::do_setup): renamed from
9404         Sized_relobj::set_up.
9405         * object.h (Sized_relobj::adjust_shndx,
9406         Sized_relobj::initializ_input_to_output_maps,
9407         Sized_relobj::free_input_to_output_maps): Change visibilities to
9408         protected.
9409         (Sized_relobj::setup): Virtualize.
9410         (Sized_relobj::do_setup): New method declaration.
9411         (Sized_relobj::invalidate_section_offset,
9412         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
9413         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
9414         * options.cc (parse_int): New function.
9415         * options.h (parse_int): New declaration.
9416         (DEFINE_int): New macro.
9417         (stub_group_size): New option.
9418         * output.cc (Output_section::Output_section): Initialize memebers
9419         merge_section_map_, merge_section_by_properties_map_,
9420         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
9421         (Output_section::add_input_section): Handled deferred code-fill
9422         generation and remove an old comment.
9423         (Output_section::add_relaxed_input_section): New method definition.
9424         (Output_section::add_merge_input_section): Use merge section by
9425         properties map to speed to search.  Update merge section maps
9426         as appropriate.
9427         (Output_section::build_relaxation_map): New method definition.
9428         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
9429         Same.
9430         (Output_section::relax_input_section): Renamed to
9431         Output_section::convert_input_sections_to_relaxed_sections and change
9432         interface to take a vector of pointers to relaxed sections.
9433         (Output_section::find_merge_section,
9434         Output_section::find_relaxed_input_section): New method definitions.
9435         (Output_section::is_input_address_mapped,
9436         Output_section::output_offset, Output_section::output_address):
9437         Use output section data maps to speed up searching.
9438         (Output_section::find_starting_output_address): Add comments.
9439         (Output_section::do_write,
9440         Output_section::write_to_postprocessing_buffer): Do code-fill
9441         generation as appropriate.
9442         (Output_section::get_input_sections): Invalidate relaxed input section
9443         map.
9444         (Output_section::restore_states): Adjust type of checkpoint .
9445         Invalidate relaxed input section map.
9446         * output.h (Output_merge_base): New class declaration.
9447         (Input_section_specifier): New class defintion.
9448         (class Output_relaxed_input_section) Change base class to
9449         Output_section_data_build.
9450         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
9451         base class initializer.
9452         (Output_section::add_relaxed_input_section): New method declaration.
9453         (Output_section::Input_section): Change visibility to protected.
9454         (Output_section::Input_section::relobj,
9455         Output_section::Input_section::shndx): Handle relaxed input sections.
9456         Output_section::input_sections) Change visibility to protected.  Also
9457         define overload to return a non-const pointer.
9458         (Output_section::Merge_section_properties): New class defintion.
9459         (Output_section::Merge_section_by_properties_map,
9460         Output_section::Output_section_data_by_input_section_map,
9461         Output_section::Relaxation_map): New types.
9462         (Output_section::relax_input_section): Rename method to
9463         Output_section::convert_input_sections_to_relaxed_sections and change
9464         interface to take a vector of relaxed section pointers.
9465         (Output_section::find_merge_section,
9466         Output_section::find_relaxed_input_section,
9467         Output_section::build_relaxation_map,
9468         Output_section::convert_input_sections_in_list_to_relaxed_sections):
9469         New method declarations.
9470         (Output_section::merge_section_map_
9471         Output_section::merge_section_by_properties_map_,
9472         Output_section::relaxed_input_section_map_,
9473         Output_section::is_relaxed_input_section_map_valid_,
9474         Output_section::generate_code_fills_at_write_): New data members.
9475         * script-sections.cc
9476         (Output_section_element_input::set_section_addresses): Call
9477         current_data_size and addralign methods of relaxed input sections.
9478         (Orphan_output_section::set_section_addresses): Call current_data_size
9479         and addralign methods of relaxed input sections.
9480         * symtab.cc (Symbol_table::compute_final_value): Extract template
9481         from the body of Symbol_table::sized_finalize_symbol.
9482         (Symbol_table::sized_finalized_symbol): Call
9483         Symbol_table::compute_final_value.
9484         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
9485         (Symbol_table::compute_final_value): New templated method declaration.
9486         * target.cc (Target::do_make_output_section): New method defintion.
9487         * target.h (Target::make_output_section): New method declaration.
9488         (Target::relax): Add more parameters for input objects, symbol table
9489         and layout.  Adjust call to do_relax.
9490         (Target::do_make_output_section): New method declaration.
9491         (Target::do_relax): Add parameters for input objects, symbol table
9492         and layout.
9493
9494 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9495
9496         * pread.c: Include stdio.h.
9497
9498 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9499
9500         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
9501         defined.
9502
9503 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9504
9505         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
9506         Change read_shndx type to unsigned int.
9507         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
9508         int.
9509         (Sized_dwarf_line_info::read_line_mappings): Likewise.
9510         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
9511         Change read_shndx type to unsigned int.
9512         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
9513         int.
9514         (Sized_dwarf_line_info::read_line_mappings): Likewise.
9515         * layout.cc (Layout::create_symtab_sections): Cast the result of
9516         local_symcount * symsize to off_t in the gold_assert.
9517
9518 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9519
9520         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
9521         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
9522         R_ARM_BASE_ABS.
9523         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
9524         (Arm_relocate_functions::thm_abs5): New function.
9525         (Arm_relocate_functions::abs12): New function.
9526         (Arm_relocate_functions::abs16): New function.
9527         (Arm_relocate_functions::base_abs): New function.
9528         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
9529         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
9530         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
9531         R_ARM_BASE_ABS.
9532         (Scan::global): Likewise.
9533         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
9534         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
9535         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
9536         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
9537         R_ARM_BASE_ABS.
9538
9539 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9540
9541         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
9542         (Arm_relocate_functions::movt_prel): New function.
9543         (Arm_relocate_functions::thm_movw_prel_nc): New function.
9544         (Arm_relocate_functions::thm_movt_prel): New function.
9545         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
9546         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
9547         (Scan::global, Relocate::relocate): Likewise.
9548         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
9549
9550 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
9551
9552         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
9553         Incremental_checker.
9554         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
9555         unsigned int.
9556         (class Incremental_inputs_header): New class.
9557         (Incremental_inputs_header_writer): Edit comment.
9558         (Incremental_inputs_entry): New class.
9559         (Incremental_inputs_entry_writer): Edit comment.
9560         (Sized_incremental_binary::do_find_incremental_inputs_section):
9561         Add *strtab_shndx parameter, fill it.
9562         (Sized_incremental_binary::do_check_inputs): New method.
9563         (Incremental_checker::can_incrementally_link_output_file): Use
9564         Sized_incremental_binary::check_inputs.
9565         (Incremental_inputs::report_command_line): Save command line in
9566         command_line_.
9567         * incremental.h:
9568         (Incremental_binary::find_incremental_inputs_section): New
9569         method.
9570         (Incremental_binary::do_find_incremental_inputs_section): Add
9571         strtab_shndx parameter.
9572         (Incremental_binary::do_check_inputs): New pure virtual method.
9573         (Sized_incremental_binary::do_check_inputs): Declare.
9574         (Incremental_checker::Incremental_checker): Add incremental_inputs
9575         parameter, use it to initialize incremental_inputs_.
9576         (Incremental_checker::incremental_inputs_): New field.
9577         (Incremental_checker::command_line): New method.
9578         (Incremental_checker::inputs): New method.
9579         (Incremental_checker::command_line_): New field.
9580
9581 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
9582
9583         * incremental.cc: Include <cstdarg> and "target-select.h".
9584         (vexplain_no_incremental): New function.
9585         (explain_no_incremental): New function.
9586         (Incremental_binary::error): New method.
9587         (Sized_incremental_binary::do_find_incremental_inputs_section): New
9588         method.
9589         (make_sized_incremental_binary): New function.
9590         (open_incremental_binary): New function.
9591         (can_incrementally_link_file): Add checks if output is ELF and has
9592         inputs section.
9593         * incremental.h: Include "elfcpp_file.h" and "output.h".
9594         (Incremental_binary): New class.
9595         (Sized_incremental_binary): New class.
9596         (open_incremental_binary): Declare.
9597         * object.cc (is_elf_object): Use
9598         elfcpp::Elf_recognizer::is_elf_file.
9599         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
9600         * output.h (Output_file::filesize): New method.
9601
9602 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9603
9604         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
9605         New function.
9606         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
9607         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
9608         function.
9609         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
9610         function.
9611         (Arm_relocate_functions::movw_abs_nc): New function.
9612         (Arm_relocate_functions::movt_abs): New function.
9613         (Arm_relocate_functions::thm_movw_abs_nc): New function.
9614         (Arm_relocate_functions::thm_movt_abs): New function.
9615         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
9616         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
9617         (Scan::global): Likewise.
9618         (Relocate::relocate): Likewise.
9619         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
9620
9621 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9622
9623         * arm.cc (Arm_relocate_functions::got_prel) New function.
9624         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
9625         (Relocate::relocate): Likewise.
9626         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
9627
9628 2009-10-06  Ian Lance Taylor  <iant@google.com>
9629
9630         * options.h (class General_options): Define
9631         split_stack_adjust_size parameter.
9632         * object.h (class Object): Add uses_split_stack_ and
9633         has_no_split_stack_ fields.  Add uses_split_stack and
9634         has_no_split_stack accessor functions.  Declare
9635         handle_split_stack_section.
9636         (class Reloc_symbol_changes): Define.
9637         (class Sized_relobj): Define Function_offsets.  Declare
9638         split_stack_adjust, split_stack_adjust_reltype, and
9639         find_functions.
9640         * object.cc (Object::handle_split_stack_section): New function.
9641         (Sized_relobj::do_layout): Call handle_split_stack_section.
9642         * dynobj.cc (Sized_dynobj::do_layout): Call
9643         handle_split_stack_section.
9644         * reloc.cc (Sized_relobj::relocate_sections): Call
9645         split_stack_adjust for executable sections in split_stack
9646         objects.  Pass reloc_map to relocate_section.
9647         (Sized_relobj::split_stack_adjust): New function.
9648         (Sized_relobj::split_stack_adjust_reltype): New function.
9649         (Sized_relobj::find_functions): New function.
9650         * target-reloc.h: Include "object.h".
9651         (relocate_section): Add reloc_symbol_changes parameter.  Change
9652         all callers.
9653         * target.h (class Target): Add calls_non_split method.  Declare
9654         do_calls_non_split virtual method.  Declare match_view and
9655         set_view_to_nop.
9656         * target.cc: Include "elfcpp.h".
9657         (Target::do_calls_non_split): New function.
9658         (Target::match_view): New function.
9659         (Target::set_view_to_nop): New function.
9660         * gold.cc (queue_middle_tasks): Give an error if mixing
9661         split-stack and non-split-stack objects with -r.
9662         * i386.cc (Target_i386::relocate_section): Add
9663         reloc_symbol_changes parameter.
9664         (Target_i386::do_calls_non_split): New function.
9665         * x86_64.cc (Target_x86_64::relocate_section): Add
9666         reloc_symbol_changes parameter.
9667         (Target_x86_64::do_calls_non_split): New function.
9668         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
9669         parameter.
9670         * powerpc.cc (Target_powerpc::relocate_section): Add
9671         reloc_symbol_changes parameter.
9672         * sparc.cc (Target_sparc::relocate_section): Add
9673         reloc_symbol_changes parameter.
9674         * configure.ac: Call AM_CONDITIONAL for the default target.
9675         * configure: Rebuild.
9676         * testsuite/Makefile.am (TEST_AS): New variable.
9677         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
9678         (check_DATA): Add split_i386 and split_x86_64 files.
9679         (SPLIT_DEFSYMS): Define.
9680         (split_i386_[1234n].o): New targets.
9681         (split_i386_[124]): New targets.
9682         (split_i386_[1234r].stdout): New targets.
9683         (split_x86_64_[1234n].o): New targets.
9684         (split_x86_64_[124]): New targets.
9685         (split_x86_64_[1234r].stdout): New targets.
9686         (MOSTLYCLEANFILES): Add new executables.
9687         * testsuite/split_i386.sh: New file.
9688         * testsuite/split_x86_64.sh: New file.
9689         * testsuite/split_i386_1.s: New file.
9690         * testsuite/split_i386_2.s: New file.
9691         * testsuite/split_i386_3.s: New file.
9692         * testsuite/split_i386_4.s: New file.
9693         * testsuite/split_i386_n.s: New file.
9694         * testsuite/split_x86_64_1.s: New file.
9695         * testsuite/split_x86_64_2.s: New file.
9696         * testsuite/split_x86_64_3.s: New file.
9697         * testsuite/split_x86_64_4.s: New file.
9698         * testsuite/split_x86_64_n.s: New file.
9699         * testsuite/testfile.cc (Target_test): Update relocation_section
9700         function.
9701         * testsuite/Makefile.in: Rebuild.
9702
9703 2009-10-06  Ian Lance Taylor  <iant@google.com>
9704
9705         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
9706         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
9707         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
9708         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
9709         the address on ldo_addrs_.
9710         (Target_i386::Relocate::fix_up_ldo): New function.
9711
9712 2009-10-06   Rafael Espindola  <espindola@google.com>
9713
9714         * plugin.cc (add_input_library): New.
9715         (Plugin::load): Add add_input_library to tv.
9716         (Plugin_manager::add_input_file): Add the is_lib argument.
9717         (add_input_file): Update call to Plugin_manager::add_input_file.
9718         (add_input_library): New.
9719         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
9720
9721 2009-09-30  Doug Kwan  <dougkwan@google.com>
9722
9723         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
9724         symbol and call Symbol::may_need_copy_reloc to determine if
9725         a copy reloc is needed.
9726         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
9727         nocopyreloc is given in command line.
9728         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
9729         given in command line.
9730         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
9731         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
9732         of the removed Target_i386::may_need_copy_reloc.
9733         * options.h (copyreloc): New option with default value false.
9734         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
9735         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
9736         instead of the removed Target_powerpc::may_need_copy_reloc.
9737         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
9738         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
9739         instead of the removed Target_sparc::may_need_copy_reloc.
9740         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
9741         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
9742         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
9743         instead of the removed Target_x86_64::may_need_copy_reloc.
9744
9745 2009-09-30  Ian Lance Taylor  <iant@google.com>
9746
9747         * object.h (class Object): Remove target_ field, and target,
9748         sized_target, and set_target methods.
9749         (Object::sized_target): Remove.
9750         (class Sized_relobj): Update declarations.  Remove sized_target.
9751         * object.cc (Sized_relobj::setup): Remove target parameter.
9752         Change all callers.
9753         (Input_objects::add_object): Don't do anything with the target.
9754         (make_elf_sized_object): Add punconfigured parameter.  Change all
9755         callers.  Set or test parameter target.
9756         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
9757         Change all callers.
9758         * parameters.cc (Parameters::set_target): Change parameter type to
9759         be non-const.
9760         (Parameters::default_target): Remove.
9761         (set_parameters_target): Change parameter type to be non-const.
9762         (parameters_force_valid_target): New function.
9763         (parameters_clear_target): New function.
9764         * parameters.h (class Parameters): Update declarations.  Remove
9765         default_target method.  Add sized_target and clear_target
9766         methods.  Change target_ to be non-const.
9767         (set_parameters_target): Update declaration.
9768         (parameters_force_valid_target): Declare.
9769         (parameters_clear_target): Declare.
9770         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
9771         as NULL if we aren't searching.
9772         (Add_symbols::run): Don't check for compatible target.
9773         * fileread.cc (Input_file::open_binary): Call
9774         parameters_force_valid_target.
9775         * gold.cc (queue_middle_tasks): Likewise.
9776         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
9777         set_target on object.
9778         * dynobj.h (class Sized_dynobj): Update declarations.
9779         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
9780         make_elf_object returns NULL.
9781         (Archive::include_member): Don't check whether object target is
9782         compatible.
9783         * output.cc (Output_section::add_input_section): Get target from
9784         parameters.
9785         (Output_section::relax_input_section): Likewise.
9786         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
9787         parameters.
9788         (Sized_relobj::do_scan_relocs): Likewise.
9789         (Sized_relobj::relocate_sections): Likewise.
9790         * resolve.cc (Symbol_table::resolve): Likewise.
9791         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
9792         parameter.  Change all callers.
9793         (Symbol_table::add_from_object): Get target from parameters.
9794         (Symbol_table::add_from_relobj): Don't check object target.
9795         (Symbol_table::add_from_dynobj): Likewise.
9796         (Symbol_table::define_special_symbol): Get target from
9797         parameters.
9798         * symtab.h (class Symbol_table): Update declaration.
9799         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
9800         parameter.  Change all callers.  Clear parameter target.
9801         (Binary_test): Test target here.
9802         * testsuite/object_unittest.cc (gold_testsuite): Remove
9803         target_test_pointer parameter.  Change all callers.
9804         (Object_test): Test target here.
9805
9806 2009-09-26  Ian Lance Taylor  <iant@google.com>
9807
9808         * testsuite/initpri1.c: Don't try to use constructor priorities if
9809         compiling with gcc before 4.3.
9810
9811 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
9812
9813         * testsuite/retain_symbols_file_test.sh (check_present): Change
9814         output file name to retain_symbols_file_test.stdout.
9815         (check_absent): Likewise.
9816
9817 2009-09-18  Craig Silverstein  <csilvers@google.com>
9818
9819         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
9820         * options.cc: Include <cerrno> and <fstream>.
9821         (General_options::finalize): Parse -retain-symbols-file tag.
9822         * options.h: New flag.
9823         (General_options): New method should_retain_symbol, new
9824         variable symbols_to_retain.
9825         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
9826         should_retain_symbol map.
9827         * testsuite/Makefile.am (retain_symbols_file_test): New test.
9828         * testsuite/Makefile.in: Regenerate.
9829         * testsuite/retain_symbols_file_test.sh: New file.
9830
9831 2009-09-18  Nick Clifton  <nickc@redhat.com>
9832
9833         * po/es.po: Updated Spanish translation.
9834
9835 2009-09-17  Doug Kwan  <dougkwan@google.com>
9836
9837         * debug.h (DEBUG_RELAXATION): New constant.
9838         (DEBUG_ALL): Add DEBUG_RELAXATION.
9839         (debug_string_to_enum): Add relaxation debug option.
9840         * layout.cc
9841         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
9842         Layout::Relaxation_debug_check::read_sections,
9843         Layout::Relaxation_debug_check::read_sections): New method definitions.
9844         (Layout::Layout): Initialize data members
9845         record_output_section_data_from_scrips_,
9846         script_output_section_data_list_ and relaxation_debug_check_.
9847         (Layout::save_segments, Layout::restore_segments,
9848         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
9849         Layout::relaxation_loop_body): New method definitions.
9850         (Layout::finalize): Support relaxation.  Move section layout code to
9851         Layout::relaxation_loop_body.
9852         (Layout::set_asection_address_from_script): Move code for orphan
9853         section placement out.
9854         (Layout::place_orphan_sections_in_script): New method definition.
9855         * layout.h (Output_segment_headers, Output_file_header):
9856         New forward class declarations.
9857         (Layout::~Layout): Define.
9858         (Layout::new_output_section_data_from_script): New method definition.
9859         (Layout::place_orphan_sections_in_script): New method declaration.
9860         (Layout::Segment_states): New type declaration.
9861         (Layout::save_segments, Layout::restore_segments,
9862         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
9863         Layout::relaxation_loop_body): New method declarations.
9864         (Layout::Output_section_data_list): New type declaration.
9865         (Layout::Relaxation_debug_check): New class definition.
9866         (Layout::record_output_section_data_from_script_,
9867         Layout::script_output_section_data_list_, Layout::segment_states_,
9868         Layout::relaxation_debug_check_): New data members.
9869         * output.cc: (Output_section_headers::do_size): New method definition.
9870         (Output_section_headers::Output_section_headers): Move size
9871         computation to Output_section_headers::do_size.
9872         (Output_segment_headers::do_size): New method definition.
9873         (Output_file_header::Output_file_header): Move size computation to
9874         Output_file_header::do_size and call it.
9875         (Output_file_header::do_size): New method definition.
9876         (Output_data_group::Output_data_group): Adjust call to
9877         Output_section_data.
9878         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
9879         (Output_symtab_xindex::do_write): Add array bound check.
9880         (Output_section::Input_section::print_to_mapfile): Handle
9881         RELAXED_INPUT_SECTION_CODE.
9882         (Output_section::Output_section): Initialize data member checkpoint_.
9883         (Output_section::~Output_section): Delete checkpoint object pointed
9884         by checkpoint_.
9885         (Output_section::add_input_section): Always add an Input_section if
9886         relaxing.
9887         (Output_section::add_merge_input_section): Add assert.
9888         (Output_section::relax_input_section): New method definition.
9889         (Output_section::set_final_data_size): Set load address to zero for
9890         an unallocated section.
9891         (Output_section::do_address_and_file_offset_have_reset_values):
9892         New method definition.
9893         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
9894         Handle relaxed input section.
9895         (Output_section::sort_attached_input_sections): Checkpoint input
9896         section list lazily.
9897         (Output_section::get_input_sections): Change type of input_sections to
9898         list of Simple_input_section pointers.  Checkpoint input section list
9899         lazily.  Also handle relaxed input sections.
9900         (Output_section::add_input_section_for_script): Take a reference to
9901         a Simple_input_section object instead of Relobj pointer and section
9902         index as parameter.  Handle relaxed input sections.
9903         (Output_section::save_states, Output_section::restore_states): New
9904         method definitions.
9905         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
9906         (Output_data::is_data_size_fixed): New method definition.
9907         (Output_data::reset_addresss_and_file_offset): Do not reset data size
9908         if it is fixed.
9909         (Output_data::address_and_file_offset_have_reset_values): New method
9910         definition.
9911         (Output_data::do_address_and_file_offset_have_reset_values): New method
9912         definition.
9913         (Output_data::set_data_size): Check that data size is not fixed.
9914         (Output_data::fix_data_size): New method definition.
9915         (Output_data::is_data_size_fixed_): New data member.
9916         (Output_section_headers::set_final_data_size): New method definition.
9917         (Output_section_headers::do_size): New method declaration.
9918         (Output_segment_headers::set_final_data_size): New method definition.
9919         (Output_segment_headers::do_size): New method declaration.
9920         (Output_file_header::set_final_data_size)::New method definition.
9921         (Output_file_header::do_size)::New method declaration.
9922         (Output_section_data::Output_section_data): Add new parameter
9923         is_data_size_fixed and use it to fix data size.
9924         (Output_data_const::Output_data_const): Adjust call to base class
9925         constructor and fix data size.
9926         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
9927         base class constructor and fix data size.
9928         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
9929         base class constructor and fix data size.
9930         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
9931         class constructor and fix data size.
9932         (Output_data_group::set_final_data_size): New method definition.
9933         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
9934         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
9935         class constructor and fix data size.
9936         (Output_relaxed_input_section): New class definition.
9937         (Output_section::Simple_input_section): New class definition.
9938         (Output_section::get_input_sections): Adjust parameter list.
9939         (Output_section::add_input_section_for_script): Same.
9940         (Output_section::save_states, Output_section::restore_states,
9941         Output_section::do_address_and_file_offset_have_reset_values,
9942         (Output_section::Input_section::Input_section): Handle
9943         RELAXED_INPUT_SECTION_CODE.  Add new overload for
9944         Output_relaxed_input_section.
9945         (Output_section::Input_section::is_input_section,
9946         Output_section::Input_section::set_output_section): Handle relaxed
9947         input section.
9948         (Output_section::Input_section::is_relaxed_input_section,
9949         Output_section::Input_section::output_section_data,
9950         Output_section::Input_section::relaxed_input_section): New method
9951         definitions.
9952         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
9953         value.
9954         (Output_section::Input_section::u1_): Update comments.
9955         (Output_section::Input_section::u2_): Add new union member poris.
9956         (Output_section::Checkpoint_output_section): New classs definition.
9957         (Output_section::relax_input_section): New method declaration.
9958         (Output_section::checkpoint_): New data member.
9959         (Output_segment): Update comments.
9960         (Output_segment::Output_segment): Un-privatize copy constructor.
9961         (Output_segment::operator=): Un-privatize.
9962         * script-sections.cc (Output_section_element::Input_section_list):
9963         Change element type to Output_section::Simple_input_section.
9964         (Output_section_element_dot_assignment::set_section_addresses):
9965         Register output section data for relaxation clean up.
9966         (Output_data_exression::Output_data_expression): Adjust call to base
9967         constructor to fix data size.
9968         (Output_section_element_data::set_section_addresses): Register
9969         Output_data_expression object for relaxation clean up.
9970         (struct Input_section_info): Replace Relobj pointer and section index
9971         pair with Output_section::Simple_input_section and Convert struct to a
9972         class.
9973         (Input_section_sorter::operator()): Adjust access to
9974         Input_section_info data member to use accessors.
9975         (Output_section_element_input::set_section_addresses): Use layout
9976         parameter.  Adjust code to use Output_section::Simple_input_section
9977         and Input_secction_info classes.  Register filler for relaxation
9978         clean up.
9979         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
9980         and section index pair with Output_section::Simple_input_section
9981         class.  Adjust code accordingly.
9982         (Phdrs_element::release_segment): New method definition.
9983         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
9984         segment list.
9985         (Script_sections::release_segments): New method definition.
9986         * gold/script-sections.h (Script_sections::release_segments): New
9987         method declaration.
9988         * gold/target.h (Target::may_relax, Target::relax,
9989         Target::do_may_relax, Target::do_relax): New method definitions.
9990
9991 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9992
9993         * arm.cc (has_signed_unsigned_overflow): New function.
9994         (Arm_relocate_functions::abs8): New function.
9995         (Target_arm::Scan::local): Handle R_ARM_ABS8.
9996         (Target_arm::Scan::global): Likewise.
9997         (Target_arm::relocate::relocate): Likewise.
9998         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
9999         Likewise.
10000
10001 2009-09-16  Cary Coutant  <ccoutant@google.com>
10002
10003         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
10004         * testsuite/Makefile.in: Regenerate.
10005
10006 2009-09-11  Nick Clifton  <nickc@redhat.com>
10007
10008         * po/gold.pot: Updated by the Translation project.
10009
10010 2009-09-08  Cary Coutant  <ccoutant@google.com>
10011
10012         * output.cc (Output_file::open): Add execute permission to empty file.
10013         * testsuite/Makefile.am (permission_test): New test.
10014         * testsuite/Makefile.in: Regenerate.
10015
10016 2009-09-02  Ian Lance Taylor  <iant@google.com>
10017
10018         * output.cc (Output_file::resize): Call map_no_anonymous rather
10019         than map.
10020
10021 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
10022
10023         * gold.cc: Include "incremental.h".
10024         (queue_initial_tasks): Call Incremental_checker methods.
10025         * incremental.cc: Include "output.h".
10026         (Incremental_checker::can_incrementally_link_output_file): New
10027         method.
10028         * incremental.h (Incremental_checker): New class.
10029
10030         * output.cc (Output_file::open_for_modification): New method.
10031         (Output_file::map_anonymous): Changed return type to bool.  Record
10032         map in base_ field.
10033         (Output_file::map_no_anonymous): New method, broken out of map.
10034         (Output_file::map): Use map_no_anonymous and map_anonymous.
10035         * output.h (class Output_file): Update declarations.
10036
10037 2009-08-24  Cary Coutant  <ccoutant@google.com>
10038
10039         * options.h (Command_line::Pre_options): New class.
10040         (Command_line::pre_options): New member.
10041         * options.cc (gold::options::ready_to_register): New variable.
10042         (One_option::register_option): Do nothing if not registering options.
10043         Assert if same short option registered twice.
10044         (General_options::General_options): Turn off option registration when
10045         done constructing.
10046         (Command_line::Pre_options::Pre_options): New constructor.
10047
10048 2009-08-24  Cary Coutant  <ccoutant@google.com>
10049
10050         * options.h (General_options::no_keep_memory): Remove incorrect
10051         short option.
10052
10053 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10054
10055         * Makefile.am (am__skiplex, am__skipyacc): New.
10056         * Makefile.in: Regenerate.
10057
10058 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10059
10060         * Makefile.am (AM_CPPFLAGS): Renamed from ...
10061         (INCLUDES): ... this.
10062         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
10063         (AM_CPPFLAGS): Renamed from ...
10064         (INCLUDE): ... this.
10065         * Makefile.in, testsuite/Makefile.in: Regenerate.
10066
10067         * Makefile.in: Regenerate.
10068         * aclocal.m4: Likewise.
10069         * config.in: Likewise.
10070         * configure: Likewise.
10071         * testsuite/Makefile.in: Likewise.
10072
10073         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
10074         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
10075         * Makefile.in: Regenerate.
10076         * testsuite/Makefile.in: Regenerate.
10077
10078 2009-08-19  Cary Coutant  <ccoutant@google.com>
10079
10080         * resolve.cc (Symbol_table::resolve): Don't complain about defined
10081         symbols in shared libraries overridden by hidden or internal symbols
10082         in the main program.
10083
10084 2009-08-19  Chris Demetriou  <cgd@google.com>
10085
10086         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
10087         checking source file names in error messages.
10088
10089 2009-08-18  Doug Kwan  <dougkwan@google.com>
10090
10091         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
10092         an elcpp::Ehdr as parameter.  Adjust call to set_target.
10093         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
10094         an elfcpp::Ehdr as parameter.
10095         * object.cc (Object::set_target): Remove the version that looks up
10096         a target and sets it.
10097         (Sized_relobj::setup): Take a Target object instead of
10098         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
10099         (make_elf_sized_object): Find target and ask target to
10100         make an ELF object.
10101         * object.h: (Object::set_target): Remove the version that looks up
10102         a target and sets it.
10103         (Sized_relobj::setup): Take a Target object instead of
10104         an elfcpp:Ehdr as parameter.
10105         * target.cc: Include dynobj.h.
10106         (Target::do_make_elf_object_implementation): New.
10107         (Target::do_make_elf_object): New.
10108         * target.h (Target::make_elf_object): New template declaration.
10109         (Target::do_make_elf_object): New method declarations.
10110         (Target::do_make_elf_object_implementation): New template declaration.
10111
10112 2009-08-14  Ian Lance Taylor  <iant@google.com>
10113
10114         * gold.h (FUNCTION_NAME): Define.
10115         (gold_unreachable): Use FUNCTION_NAME.
10116
10117 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
10118
10119         * icf.cc (Icf::find_identical_sections): Issue a warning when a
10120         symbol in the --keep-unique list is not found.
10121
10122 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
10123
10124         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
10125         been maked as --keep-unique.
10126         (Icf::unfold_section): New function.
10127         * icf.h (Icf::unfold_section): New function.
10128         * options.h (General_options::keep_unique): New option.
10129         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
10130         * testsuite/Makefile.in: Regenerate.
10131         * testsuite/icf_keep_unique_test.sh: New file.
10132         * testsuite/icf_keep_unique_test.cc: New file.
10133
10134 2009-08-12  Cary Coutant  <ccoutant@google.com>
10135
10136         PR 10471
10137         * resolve.cc (Symbol_table::resolve): Check for references from
10138         dynamic objects to hidden and internal symbols.
10139         * testsuite/Makefile.am (hidden_test.sh): New test.
10140         * testsuite/Makefile.in: Regenerate.
10141         * testsuite/hidden_test.sh: New script.
10142         * testsuite/hidden_test_1.c: New test source.
10143         * testsuite/hidden_test_main.c: New test source.
10144
10145 2009-08-11  Doug Kwan  <dougkwan@google.com>
10146
10147         * arm.cc: Update comments.
10148         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
10149         segment to locate the .ARM.exidx section if present.
10150
10151 2009-08-09  Doug Kwan  <dougkwan@google.com>
10152
10153         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
10154         patch.
10155
10156 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
10157         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
10158         compiler warnings.
10159
10160 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
10161
10162         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
10163         valid tls_segment only for non-debug-section relocations.
10164         * testsuite/Makefile.am: Add gc_tls_test.
10165         * testsuite/Makefile.in: Regenerate.
10166         * testsuite/gc_tls_test.cc: New file.
10167         * testsuite/gc_tls_test.sh: New file.
10168
10169 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
10170
10171         * icf.cc: New file.
10172         * icf.h: New file.
10173         * Makefile.am (CCFILES): Add icf.cc.
10174         (HFILES): Add icf.h
10175         * Makefile.in: Regenerate.
10176         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
10177         * gc.h (gc_process_relocs): Populate lists used by icf to contain
10178         section, symbol and addend information for the relocs.
10179         * gold.cc (queue_middle_tasks): Call identical code folding.
10180         * gold.h: Add defines for multimap.
10181         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
10182         to the call of finalize_local_symbols.
10183         * main.cc (main): Create object of class Icf.
10184         * object.cc (Sized_relobj::do_layout): Allow this function to be
10185         called twice during icf.
10186         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
10187         to sections marked as identical by icf.
10188         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
10189         when available.
10190         (Sized_relobj::do_section_entsize): New function.
10191         * object.h (Object::section_entsize): New function.
10192         (Object::do_section_entsize): New pure virtual function.
10193         (Relobj::finalize_local_symbols): Add new parameter.
10194         (Relobj::do_section_entsize): New function.
10195         * options.h (General_options::icf): New option.
10196         (General_options::icf_iterations): New option.
10197         (General_options::print_icf_sections): New option.
10198         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
10199         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
10200         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
10201         icf.
10202         * symtab.cc (Symbol_table::is_section_folded): New function.
10203         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
10204         to sections marked as identical by icf.
10205         * symtab.h (Symbol_table::set_icf): New function.
10206         (Symbol_table::icf): New function.
10207         (Symbol_table::is_section_folded): New function.
10208         (Symbol_table::icf_): New data member.
10209         * target-reloc.h (relocate_section): Ignore sections folded by icf.
10210         * testsuite/Makefile.am: Add commands to build icf_test.
10211         * testsuite/Makefile.in: Regenerate.
10212         * testsuite/icf_test.sh: New file.
10213         * testsuite/icf_test.cc: New file.
10214
10215 2009-07-24  Chris Demetriou  <cgd@google.com>
10216
10217         * layout.cc (is_compressible_debug_section): Fix incorrect
10218         comment about compressed section names.
10219
10220 2009-07-20  Ian Lance Taylor  <ian@airs.com>
10221
10222         PR 10419
10223         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
10224
10225 2009-07-16  Ian Lance Taylor  <iant@google.com>
10226
10227         PR 10400
10228         * layout.h: #include <map>.
10229         (class Kept_section): Change from struct to class.  Add accessors
10230         and setters.  Add section size to Comdat_group mapping.  Change
10231         Comdat_group to std::map.  Add is_comdat_ field.  Add
10232         linkonce_size field in union.
10233         (class Layout): Update declaration of find_or_add_kept_section.
10234         Don't declare find_kept_object.
10235         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
10236         parameter.  Add object, shndx, is_comdat, and is_group_name
10237         parameters.  Change all callers.  Adjust for new Kept_section.
10238         (Layout::find_kept_object): Remove.
10239         * object.cc (Sized_relobj::include_section_group): Update use of
10240         Kept_section.  Rename secnum to shndx.  Only record
10241         Kept_comdat_section if sections are the same size.
10242         (Sized_relobj::include_linkonce_section): Update use of
10243         Kept_section.  Only record Kept_comdat_section if sections are the
10244         same size.  Set size of linkonce section.
10245         (Sized_relobj::map_to_kept_section): Update call to
10246         get_kept_comdat_section.
10247         * object.h (class Sized_relobj): Rename fields in
10248         Kept_comdat_section to drop trailing underscores; change object
10249         field to Relobj*.  Change Kept_comdat_section_table to store
10250         struct rather than pointer.
10251         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
10252         Add kept_object and kept_shndx parameters.  Change all callers.
10253         (Sized_relobj::get_kept_comdat_section): Change return type to
10254         bool.  Add kept_object and kept_shndx parameters.  Change all
10255         callers.
10256         * plugin.cc (Pluginobj::include_comdat_group): Update call to
10257         Layout::find_or_add_kept_section.
10258
10259 2009-07-09  Ian Lance Taylor  <iant@google.com>
10260
10261         * merge.cc (Object_merge_map::initialize_input_to_output_map):
10262         Reserve space in the hash table.
10263
10264 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
10265
10266         * fileread.cc (File_read::get_mtime): New method.
10267         * fileread.h (Timespec): New structure.
10268         (File_read::get_mtime): New method.
10269         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
10270         Renamed from timestamp_nsec.
10271         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
10272         Elf_Xword.
10273         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
10274         timestamp_nsec.
10275         (Incremental_inputs::report_archive): Save mtime; style fix.
10276         (Incremental_inputs::report_obejct): Save mtime; style fix.
10277         (Incremental_inputs::report_script): Save mtime; style fix.
10278         (Incremental_inputs::finalize_inputs): Style fix.
10279         (Incremental_inputs::finalize): Style fix.
10280         (Incremental_inputs::create_input_section_data): Store inputs
10281         mtime.
10282         * incremental.h (Incremental_inputs::report_script): Add mtime
10283         argument.
10284         (Incremental_inputs::Input_info::Input_info): Intialize only one
10285         union member.
10286         (Incremental_inputs::Input_info::archive): Move to nameless
10287         union.
10288         (Incremental_inputs::Input_info::obejct): Move to nameless union.
10289         (Incremental_inputs::Input_info::script): Move to nameless union.
10290         (Incremental_inputs::mtime): New field.
10291         * script.cc (read_input_script): Pass file mtime to
10292         Incremental_input.
10293         * script.h (Script_info::inputs): Style fix.
10294
10295 2009-07-01  Ian Lance Taylor  <ian@airs.com>
10296
10297         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
10298         instead of 32.
10299
10300 2009-06-24  Ian Lance Taylor  <iant@google.com>
10301
10302         PR 10156
10303         * layout.cc (Layout::choose_output_section): If we find an
10304         existing section, update the flags.
10305         (Layout::create_notes): New function, broken out of
10306         Layout::finalize.
10307         (Layout::finalize): Don't create note sections.
10308         (Layout::create_note): Don't crash if linker script discards
10309         section.
10310         (Layout::create_gold_note): Likewise.
10311         (Layout::create_build_id): Likewise.  Don't set
10312         after_input_sections on the section.
10313         (Layout::create_executable_stack_info): Remove target parameter.
10314         Change caller.
10315         * layout.h (class Layout): Declare create_notes.  Update
10316         declaration of create_executable_stack_info.
10317         * gold.cc (queue_middle_tasks): Call create_notes.
10318         * output.cc (Output_section::update_flags_for_input_section): Move
10319         here from output.h.  If SHF_ALLOC flag is newly set, mark address
10320         invalid.
10321         * output.h (Output_data::mark_address_invalid): New function.
10322         (class Output_section): Only declare, not define,
10323         update_flags_for_input_section.  Remove set_flags.
10324
10325 2009-06-24  Ian Lance Taylor  <iant@google.com>
10326
10327         * script-sections.cc (Output_section_definition::
10328         set_section_addresses): Rename shadowing local load_address to
10329         laddr.
10330
10331 2009-06-24  Ian Lance Taylor  <iant@google.com>
10332
10333         PR 10244
10334         * reloc.cc (relocate_sections): Skip empty relocation sections.
10335
10336 2009-06-23  Ian Lance Taylor  <iant@google.com>
10337
10338         PR 10156
10339         * layout.cc (Layout::create_note): Use choose_output_section
10340         rather than make_output_section.
10341
10342 2009-06-23  Ian Lance Taylor  <iant@google.com>
10343
10344         PR 10237
10345         * options.cc (General_options::parse_V): Set printed_version_.
10346         (General_options::General_options): Initialize printed_version_.
10347         * options.h (class General_options): Add printed_version_ field.
10348         * gold.cc (queue_initial_tasks): If there are no input files,
10349         don't give a fatal error if we printed the version information.
10350         (queue_middle_tasks): If using -r with a shared object, give a
10351         fatal error rather than an ordinary error.
10352
10353 2009-06-23  Ian Lance Taylor  <iant@google.com>
10354
10355         PR 10219
10356         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
10357         (Layout::make_output_section): Set have_stabstr_section_ if we see
10358         a .stab*str section.
10359         (Layout::finalize): Call link_stabs_sections.
10360         (Layout::link_stabs_sections): New file.
10361         * layout.h (class Layout): Add have_stabstr_section_ field.
10362         Declare link_stabs_sections.
10363
10364 2009-06-23  Doug Kwan  <dougkwan@google.com>
10365
10366         * Makefile.am (libgold_a_LIBADD): New.
10367         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
10368         * Makefile.in: Regenerate.
10369         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
10370         * configure: Regenerate.
10371         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
10372         * fileread.cc: Include sys/state.h
10373         * gold.h: Declare memmem and strndup if found missing.
10374         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
10375
10376 2009-06-23  Ian Lance Taylor  <iant@google.com>
10377
10378         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
10379         * configure: Rebuild.
10380
10381 2009-06-23  Ian Lance Taylor  <iant@google.com>
10382
10383         PR 10147
10384         * object.cc (Object::section_contents): Don't try to get a view if
10385         the section has length zero.
10386         (Object::handle_gnu_warning_section): If the section is empty, use
10387         the name of the section as the warning.
10388
10389 2009-06-23  Ian Lance Taylor  <iant@google.com>
10390
10391         PR 10133
10392         * stringpool.h (class Stringpool_template): Add optimize_ field.
10393         (Stringpool_template::set_optimize): New function.
10394         * stringpool.cc (Stringpool_template::Stringpool_template):
10395         Initialize optimize_ field.
10396         (Stringpool_template::set_string_offsets): Test local optimize
10397         fild rather than parameter.
10398         * layout.cc (Layout::Layout): Call set_optimize on the section
10399         name stringpool.
10400
10401 2009-06-22  Ian Lance Taylor  <iant@google.com>
10402
10403         PR 10030
10404         * yyscript.y: Parse TARGET.
10405         * script.cc (script_set_target): New function.
10406         * script-c.h (script_set_target): Declare.
10407         * options.cc (General_options::string_to_object_format): Rename
10408         from string_to_object_format in anonymous namespace.  Change
10409         callers.
10410         * options.h (class General_options): Declare
10411         string_to_object_format.
10412
10413 2009-06-22  Ian Lance Taylor  <iant@google.com>
10414
10415         * script-sections.cc (Script_sections::create_segments): Don't put
10416         program headers in a PT_LOAD segment if -n or -N.
10417
10418 2009-06-22  Ian Lance Taylor  <iant@google.com>
10419
10420         PR 10141
10421         * options.h (class General_options): Add -z lazy and -z now.  Sort
10422         -z options into alphabetical order.
10423         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
10424
10425 2009-06-21  Ian Lance Taylor  <iant@google.com>
10426
10427         * layout.cc (Layout::make_output_section): Call
10428         Target::new_output_section.
10429         (Layout::attach_allocated_section_to_segment): Put large section
10430         sections in a separate load segment with the large segment flag
10431         set.
10432         (Layout::segment_precedes): Sort large data segments after other
10433         load segments.
10434         (align_file_offset): New static function.
10435         (Layout::set_segment_offsets): Use align_file_offset.
10436         * output.h (class Output_section): Add is_small_section_ and
10437         is_large_section_ fields.
10438         (Output_section::is_small_section): New function.
10439         (Output_section::set_is_small_section):  New function.
10440         (Output_section::is_large_section): New function.
10441         (Output_section::set_is_large_section): New function.
10442         (Output_section::is_large_data_section): New function.
10443         (class Output_segment): Add is_large_data_segment_ field.
10444         (Output_segment::is_large_data_segment): New function.
10445         (Output_segment::set_is_large_data_segment): New function.
10446         * output.cc (Output_section::Output_section): Initialize new
10447         fields.
10448         (Output_segment::Output_segment): Likewise.
10449         (Output_segment::add_output_section): Add assertion that large
10450         data sections always go in large data segments.  Force small data
10451         sections to the end of the list of data sections.  Force small BSS
10452         sections to the start of the list of BSS sections.  For large BSS
10453         sections to the end of the list of BSS sections.
10454         * symtab.h (class Symbol): Declare is_common_shndx.
10455         (Symbol::is_defined): Check Symbol::is_common_shndx.
10456         (Symbol::is_common): Likewise.
10457         (class Symbol_table): Define enum Commons_section_type.  Update
10458         declarations.  Add small_commons_ and large_commons_ fields.
10459         * symtab.cc (Symbol::is_common_shndx): New function.
10460         (Symbol_table::Symbol_table): Initialize new fields.
10461         (Symbol_table::add_from_object): Put small and large common
10462         symbols in the right list.
10463         (Symbol_table::sized_finalized_symbol): Check
10464         Symbol::is_common_shndx.
10465         (Symbol_table::sized_write_globals): Likewise.
10466         * common.cc (Symbol_table::do_allocate_commons): Allocate new
10467         common symbol lists.  Don't call do_allocate_commons_list if the
10468         list is empty.
10469         (Symbol_table::do_allocate_commons_list): Remove is_tls
10470         parameter.  Add comons_section_type parameter.  Change all
10471         callers.  Handle small and large common symbols.
10472         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
10473         Symbol::is_common_shndx.
10474         * resolve.cc (symbol_to_bits): Likewise.
10475         * target.h (Target::small_common_shndx): New function.
10476         (Target::small_common_section_flags): New function.
10477         (Target::large_common_shndx): New function.
10478         (Target::large_common_section_flags): New function.
10479         (Target::new_output_section): New function.
10480         (Target::Target_info): Add small_common_shndx, large_common_shndx,
10481         small_common_section_flags, and large_common_section_flags
10482         fields.
10483         (Target::do_new_output_section): New virtual function.
10484         * arm.cc (Target_arm::arm_info): Initialize new fields.
10485         * i386.cc (Target_i386::i386_info): Likewise.
10486         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
10487         Likewise.
10488         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
10489         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
10490         (Target_x86_64::do_new_output_section): New function.
10491         * configure.ac: Define conditional MCMODEL_MEDIUM.
10492         * testsuite/Makefile.am (check_PROGRAMS): Add large.
10493         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
10494         (large_LDFLAGS): Define.
10495         * testsuite/large.c: New file.
10496         * testsuite/testfile.cc (Target_test::test_target_info):
10497         Initialize new fields.
10498         * configure, testsuite/Makefile.in: Rebuild.
10499
10500 2009-06-05  Doug Kwan  <dougkwan@google.com>
10501
10502         * Makefile.am (CCFILES): Add target.cc.
10503         * Makefile.in: Regenerate.
10504         * i386.cc (class Target_i386): Define new virtual method to
10505         override do_is_local_label_name in parent.
10506         * object.cc (Sized_relobj::do_count_local_symbols): Discard
10507         local symbols if --discard-locals or -X is given.
10508         * options.h (class General_options): Declare new options
10509         '--discard-locals' and '-X' for discarding locals.
10510         * target.h (class Target): Define new methods is_local_label_name.
10511         Declare new virtual method do_is_local_label_name.
10512         * target.cc: New file.
10513         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
10514         (check_SCRIPTS): Add discard_locals_test.sh.
10515         (check_DATA): Add discard_local_tests.syms.
10516         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
10517         (discard_local_tests.syms, discard_locals_test.o): New make rules.
10518         * testsuite/Makefile.in: Regenerate.
10519         * testsuite/discard_locals_test.c: New file.
10520         * testsuite/discard_locals_test.sh: Same.
10521
10522 2009-06-05  Doug Kwan  <dougkwan@google.com>
10523
10524         * object.cc (Sized_relobj::Sized_relobj): Initialize
10525         discarded_eh_frame_shndx_ to -1U.
10526         (Sized_relobj::do_layout): Record index of a discard .eh_frame
10527         section.
10528         (Sized_relobj::do_count_local_symbols): Skip local symbols in
10529         a discarded .eh_frame section.
10530         (Sized_relobj::do_finalize_local_symbols): Ditto.
10531         * object.h (class Sized_relobj): Declare new member
10532         discarded_eh_frame_shndx_.
10533         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
10534         (local_labels_test.o, local_labels_test): New rules.
10535         * testsuite/Makefile.in: Regenerate.
10536
10537 2009-06-04  Doug Kwan  <dougkwan@google.com>
10538
10539         * layout.cc (Layout::section_name_mapping): Add mapping for
10540         special ARM sections.
10541
10542 2009-06-03  Doug Kwan  <dougkwan@google.com>
10543
10544         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
10545         (utils::has_overflow): Same.
10546
10547 2009-06-03  Ian Lance Taylor  <iant@google.com>
10548
10549         * layout.cc (Layout::section_name_mapping): New array, replacing
10550         Layout::linkonce_mapping.
10551         (Layout::section_name_mapping_count): New variable, replacing
10552         Layout::linkonce_mapping_count.
10553         (Layout::linkonce_output_name): Remove.
10554         (Layout::output_section_name): Rewrite.
10555         * layout.h (class Layout): Rename Linkonce_mapping to
10556         Section_name_mapping, linkonce_mapping to section_name_mapping,
10557         linkonce_mapping_count to section_name_mapping_count.  Don't
10558         declare linkonce_output_name.
10559
10560 2009-06-03  Doug Kwan  <dougkwan@google.com>
10561
10562         * gold/arm.cc (namespace utils): New.
10563         (Target_arm::reloc_is_non_pic): Define new method.
10564         (class Arm_relocate_functions): New.
10565         (Target_arm::Relocate::relocate): Handle relocation types used by
10566         Android.
10567
10568 2009-06-03  Ian Lance Taylor  <iant@google.com>
10569
10570         * arm.cc (Target_arm::scan::global): Use || instead of |.
10571
10572 2009-06-02  Doug Kwan  <dougkwan@google.com>
10573
10574         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
10575         issued_non_pic_error_.
10576         (class Target_arm::Scan): Declare new method check_non_pic.
10577         Define new method symbol_needs_plt_entry.
10578         Declare new data member issued_non_pic_error_.
10579         (class Target_arm::Relocate): Declare new method
10580         should_apply_static_reloc.
10581         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
10582         (Target_arm::Scan::check_non_pic): Define new method.
10583         (Target_arm::Scan::local): Handle a small subset of reloc types used
10584         by Android.
10585         (Target_arm::Scan::local): Same.
10586         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
10587
10588 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
10589
10590         * incremental.cc (Incremental_inputs::report_command_line): Filter
10591         out --incremental-* options.
10592
10593 2009-05-29  Doug Kwan  <dougkwan@google.com>
10594
10595         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
10596         template class.
10597         (class Target_arm): Update comment.
10598         (Target_arm::Target_arm): Initialize new data members GOT_,
10599         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
10600         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
10601         and Target_arm::rel_dyn_section.
10602         Declare new_enum Target_arm::Got_type.
10603         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
10604         and DYNBSS_.
10605         Update commments for member do_dynsym_value.
10606         (Target_arm::got_size, Target_arm::plt_section,
10607         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
10608         new methods inside class defintion.
10609         (Target_arm::got_section): Define new method.
10610         (Target_arm::rel_dyn_section): Same.
10611         (Output_data_plt_arm): New template class.
10612         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
10613         (Output_data_plt_arm:do_adjust_output_section): Define new method.
10614         (Output_data_plt_arm::add_entry): Same.
10615         (Output_data_plt_arm::first_plt_entry): Define new
10616         static data member for PLT instruction template.
10617         (Output_data_plt_arm::plt_entry): Same.
10618         (Output_data_plt_arm::do_write): Define new method.
10619         (Target_arm::make_plt_entry): Same.
10620         (Target_arm::do_finalize_sections): Same.
10621         (Target_arm::do_dynsym_value): Same.
10622
10623 2009-05-28  Doug Kwan  <dougkwan@google.com>
10624
10625         * Makefile.am (TARGETSOURCES): Add arm.cc.
10626         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
10627         * Makefile.in: Regenerate.
10628         * arm.cc: New file.
10629         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
10630
10631 2009-05-26  Doug Kwan  <dougkwan@google.com>
10632
10633         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
10634         (General_options::check_excluded_libs): Strip off directories in
10635         archive name before matching like GNU ld does.
10636         * testsuite/Makefile.am (MOSTLYCLEANFILES,
10637         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
10638         (exclude_libs_test_LDFLAGS): Add linker option
10639         -Wl,--exclude-libs,libexclude_libs_test_3
10640         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
10641         an explicit archive without using -l.
10642         (alt/libexclude_libs_test_3.a): New make rule.
10643         * testsuite/Makefile.in: Regenerate.
10644         * testsuite/exclude_libs_test.c : Declare lib3_default().
10645         (main): Call it.
10646         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
10647         * exclude_libs_test_3.c: New file.
10648
10649 2009-05-26  Nick Clifton  <nickc@redhat.com>
10650
10651         * po/id.po: New Indonesian translation.
10652         * po/gold.pot: Updated template file.
10653
10654 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
10655
10656         * testsuite/Makefile.am: Add -ffunction-sections to compile
10657         gc_comdat_test files.  Add -Wl,--gc-sections to build
10658         gc_comdat_test.
10659         * testsuite/Makefile.in: Regenerate.
10660         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
10661
10662 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
10663
10664         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
10665         kept comdat section was garbage collected.
10666         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
10667         * testsuite/Makefile.in: Regenerate.
10668         * testsuite/gc_comdat_test.sh: New file.
10669         * testsuite/gc_comdat_test_1.cc: New file.
10670         * testsuite/gc_comdat_test_2.cc: New file.
10671
10672 2009-05-19  Doug Kwan  <dougkwan@google.com>
10673
10674         * archive.cc (Archive::Archive): Move constructor from archive.h
10675         to here.  Initialize no_export_.
10676         (Archive::get_elf_object_for_member): Set no_export flag of object.
10677         * archive.h (Archive::Archive): Move constructor body to
10678         archive.cc.
10679         (Archive::no_export): New method.
10680         (Archive::no_export_): New field.
10681         * object.h (Object::Object): Initialize no_export_ to false.
10682         (Object::no_export, Object::set_no_export): New methods.
10683         (Object::no_export_): New field.
10684         * options.cc (General_options::parse_exclude_libs): New method.
10685         (General_options::check_excluded_libs) Same.
10686         * options.h (exclude_libs): New option.
10687         (General_options::check_excluded_libs): New method declaration.
10688         (General_options::excluded_libs_): New field.
10689         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
10690         default or protected visibility if an object has no-export flag set.
10691         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
10692         (check_SCRIPTS): Add exclude_libs_test.sh.
10693         (check_DATA): Add exclude_libs_test.syms.
10694         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
10695         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
10696         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
10697         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
10698         (exclude_libs_test.syms, libexclude_libs_test_1.a,
10699         libexclude_libs_test_2.a): New rules.
10700         * testsuite/Makefile.in: Regenerate.
10701         * testsuite/exclude_libs_test.c: New file.
10702         * testsuite/exclude_libs_test.sh: Ditto.
10703         * testsuite/exclude_libs_test_1.c: Ditto.
10704         * testsuite/exclude_libs_test_2.c: Ditto.
10705
10706 2009-05-15  Ian Lance Taylor  <iant@google.com>
10707
10708         * configure.ac: Check for declarations for cases where libiberty.h
10709         checks HAVE_DECL_xxx.
10710         * configure, config.in: Rebuild.
10711
10712 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
10713
10714         * gold.h (Incremental_argument_list): Remove (invalid) forward
10715         declaration.
10716         * incremental.cc (Incremental_inputs::report_achive): New method.
10717         (Incremental_inputs::report_object): New method.
10718         (Incremental_inputs::report_script): New method.
10719         (Incremental_inputs::finalize_inputs): New method.
10720         (Incremental_inputs::finalize): Call finalize_inputs().
10721         (Incremental_inputs::sized_create_incremental_inputs_section_data):
10722         Create inputs entries.
10723         * incremental.h (Incremental_input_type): New enum.
10724         (Incremental_inputs::Incremental_input): Initialize new fields.
10725         (Incremental_inputs::report_inputs): New method.
10726         (Incremental_inputs::report_achive): New method.
10727         (Incremental_inputs::report_object): New method.
10728         (Incremental_inputs::report_script): New method.
10729         (Incremental_inputs::finalize_inputs): New method.
10730         (Incremental_inputs::Input_info): New struct.
10731         (Incremental_inputs::Input_info_map): New typedef.
10732         (Incremental_inputs::lock_): New field.
10733         (Incremental_inputs::Inputs_): New field.
10734         (Incremental_inputs::Inputs_map): New field.
10735         * main.cc (main): Call Incremental_input::report_inputs.
10736         * options.h (Input_argument_list): Typedef moved from
10737         Input_arguments.
10738         (Input_file_group::Files): Remove, use ::Input_argument_list.
10739         (Input_file_group::Input_argument_list): Remove, use
10740         ::Input_argument_list.
10741         * plugin.cc (Plugin_manager::add_input_file): Add error in
10742         incremental build.
10743         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
10744         functions.
10745         * script.cc (read_input_script): Call
10746         Incremental_input::report_script.
10747         * script.h (Script_info): New class.
10748
10749 2009-04-27  Ian Lance Taylor  <iant@google.com>
10750
10751         * x86_64.cc (do_adjust_output_section): Set entsize to
10752         plt_entry_size.
10753
10754 2009-04-23  Elliott Hughes  <enh@google.com>
10755
10756         * output.cc (Output_file::close): After short writes, continue
10757         writing from the correct offset in the buffer being written.
10758
10759 2009-04-23  Chris Demetriou  <cgd@google.com>
10760
10761         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
10762         * configure: Regenerate.
10763         * config.in: Regenerate.
10764         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
10765         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
10766
10767 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
10768
10769         * incremental.cc (Incremental_inputs_header_data): Renamed from
10770         Incremental_input_header_data.
10771         (Incremental_inputs_header_data::data_size): New field.
10772         (Incremental_inputs_header_data::put_input_file_count): Renamed
10773         from input_file_count.
10774         (Incremental_inputs_header_data::put_command_line_offset): Renamed
10775         from command_line_offset.
10776         (Incremental_inputs_header_data::put_reserved): Renamed from
10777         put_reserved.
10778         (Incremental_inputs_entry_data): Renamed from
10779         Incremental_input_entry_data.
10780         (Incremental_inputs_entry_data::data_size): New field.
10781         (Incremental_inputs::report_command_line): New method.
10782         (Incremental_inputs::finalize): New method.
10783         (Incremental_inputs::create_incremental_inputs_data): New method.
10784         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
10785         * incremental.h: New file.
10786         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
10787         (Layout::finalize): Create incremental inputs section in
10788         incremental builds.
10789         (Layout::create_incremental_info_sections): New method.
10790         * layout.h (Layout::incremental_inputs): New method.
10791         (Layout::create_incremental_info_sections): New method.
10792         (Layout::incremental_inputs_): New field.
10793         * main.cc (main): Notify Incremental_input of the command line.
10794
10795 2009-04-01  Ian Lance Taylor  <iant@google.com>
10796             Mikolaj Zalewski  <mikolajz@google.com>
10797
10798         * gold.h (reserve_unordered_map): Define, three versions, one for
10799         each version of Unordered_map.
10800         * layout.cc (Layout::Layout): Remove options parameter.  Add
10801         number_of_input_files parameter.  Don't initialize options_.
10802         Initialize number_of_input_files_ and resized_signatures_.  Move
10803         sections_are_attached_.
10804         (Layout::layout_group): Reserve space for group_signatures_.
10805         (Layout::find_or_add_kept_section): Change name parameter to be a
10806         reference.  Resize signatures_ map when it gets large enough.
10807         (Layout::layout_eh_frame): Use parameters->options() instead of
10808         this->options_.
10809         (Layout::make_output_section): Likewise.
10810         (Layout::attach_allocated_section_to_segment): Likewise.
10811         (Layout::finalize, Layout::create_executable_stack): Likewise.
10812         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
10813         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
10814         * layout.h (class Layout): Update declarations.  Remove options_
10815         field.  Add number_of_input_files_ and resized_signatures_
10816         fields.  Move sections_are_attached_ field.
10817         * main.cc (main): Pass number of input files to Layout
10818         constructor.  Don't pass options.
10819
10820 2009-03-30  Ian Lance Taylor  <iant@google.com>
10821
10822         * ffsll.c (ffsll): Correct implementation.
10823
10824 2009-03-27  Ian Lance Taylor  <iant@google.com>
10825
10826         * ffsll.c: New file.
10827         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
10828         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
10829         * ftruncate.c (ftruncate): Declare before definition.
10830         * mremap.c (mremap): Likewise.
10831         * pread.c (pread): Likewise.
10832         * configure, Makefile.in, config.in: Rebuild.
10833
10834         * mremap.c: New file.
10835         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
10836         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
10837         (mremap): Declare if HAVE_MREMAP is not defined.
10838         * configure, Makefile.in, config.in: Rebuild.
10839
10840 2009-03-27  Cary Coutant  <ccoutant@google.com>
10841
10842         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
10843         position independent.
10844         * sparc.cc (Target_sparc::check_non_pic): Likewise.
10845         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
10846
10847 2009-03-24  Cary Coutant  <ccoutant@google.com>
10848
10849         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
10850         an executable.
10851         (needs_dynamic_reloc): Likewise.
10852
10853 2009-03-24  Ian Lance Taylor  <iant@google.com>
10854
10855         * yyscript.y (file_cmd): Recognize EXTERN.
10856         (extern_name_list, extern_name_list_body): New nonterminals.
10857         * script.cc (script_add_extern): Define.
10858         * script-c.h (script_add_extern): Declare.
10859
10860 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
10861
10862         * object.cc (is_elf_object): Define.
10863         * object.h (is_elf_object): Declare.
10864         * archive.cc (Archive::get_elf_object_for_member): Call
10865         is_elf_object.
10866         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
10867
10868 2009-03-24  Elliott Hughes  <enh@google.com>
10869
10870         * output.cc (Output_file::map_anonymous): Define.
10871         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
10872         try an anonymous one.  Report the size if the mmap fails.
10873         * output.h (class Output_file): Declare map_anonymous.
10874
10875 2009-03-24  Ian Lance Taylor  <iant@google.com>
10876
10877         * target-select.cc (instantiate_target): Don't acquire the lock if
10878         the instantiated_target_ field has already been set.
10879
10880 2009-03-23  Ian Lance Taylor  <iant@google.com>
10881
10882         * gold-threads.h (class Initialize_lock): Define.
10883         * gold-threads.cc (class Initialize_lock_once): Define.
10884         (initialize_lock_control): New static variable.
10885         (initialize_lock_pointer): New static variable.
10886         (initialize_lock_once): New static function.
10887         (Initialize_lock::Initialize_lock): Define.
10888         (Initialize_lock::initialize): Define.
10889         * target-select.h: Include "gold-threads.h".
10890         (class Target_selector): Add lock_ and initialize_lock_ fields.
10891         Don't define instantiate_target, just declare it.
10892         * target-select.cc (Target_selector::Target_selector): Initialize
10893         new fields.
10894         (Target_selector::instantiate_target): Define.
10895         * descriptors.h: Include "gold-threads.h".
10896         (class Descriptors): Add initialize_lock_ field.
10897         * descriptors.cc (Descriptors::Descriptors): Initialize new
10898         field.
10899         (Descriptors::open): Use initialize_lock_ field
10900         * errors.h (class Errors): Add initialize_lock_ field.
10901         * errors.cc (Errors::Errors): Initialize new field.
10902         (Errors::initialize_lock): Use initialize_lock_ field.
10903         * powerpc.cc (class Target_selector_powerpc): Remove
10904         instantiated_target_ field.  In do_recognize call
10905         instantiate_target rather than do_instantiate_target.  In
10906         do_instantiate_target just allocate a new target.
10907         * sparc.cc (class Target_selector_sparc): Likewise.
10908
10909         * freebsd.h: New file.
10910         * i386.cc: Include "freebsd.h".
10911         (Target_i386): Derive from Target_freebsd rather than
10912         Sized_target.
10913         (Target_selector_i386): Derive from Target_selector_freebsd rather
10914         than Target_selector.
10915         * x86_64.cc: Include "freebsd.h".
10916         (Target_x86_64): Derive from Target_freebsd rather than
10917         Sized_target.
10918         (Target_selector_x86_64): Derive from Target_selector_freebsd
10919         rather than Target_selector.
10920         * target.h (class Target): Add adjust_elf_header and
10921         do_adjust_elf_header.
10922         * output.cc (Output_file_header:: do_sized_write): Call target
10923         adjust_elf_header routine.
10924         * configure.tgt: Set targ_osabi.
10925         * configure.ac: Define GOLD_DEFAULT_OSABI.
10926         * parameters.cc (Parameters::default_target): Pass
10927         GOLD_DEFAULT_OSABI to select_target.
10928         * target-select.h (class Target_selector): Make instantiate_target
10929         protected rather than private.
10930         * Makefile.am (HFILES): Add freebsd.h.
10931         * configure, Makefile.in, config.in: Rebuild.
10932
10933         * merge.cc (do_add_input_section): Correct pend value.  Change
10934         message about last entry not being null terminated from error to
10935         warning.
10936
10937 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
10938
10939         * incremental.cc: New file.
10940         * Makefile.am (CCFILES): Add incremental.cc.
10941         * Makefile.in: Rebuild.
10942
10943 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
10944
10945         * layout.cc (Layout::output_section_name): Preserve names
10946         of '.note.' sections.
10947
10948 2009-03-19  Ian Lance Taylor  <iant@google.com>
10949
10950         * descriptors.cc (Descriptors::open): Check that the options are
10951         valid before using them.
10952
10953 2009-03-18  Ian Lance Taylor  <iant@google.com>
10954
10955         * script-sections.h: Include <list>.
10956         (class Script_sections): Change Sections_elements from std::vector
10957         to std::list.  Typedef public Elements_iterator.  Add
10958         orphan_section_placement_, data_segment_align_start_, and
10959         saw_data_segment_align_ fields.  Remove data_segment_align_index_
10960         field.
10961         * script-sections.cc (class Orphan_section_placement): New class.
10962         (class Sections_element): Add virtual functions is_relro and
10963         orphan_section_init.  Remove virtual function place_orphan_here.
10964         (class Output_section_definition): Add is_relro and
10965         orphan_section_init.  Remove place_orphan_here.
10966         (class Orphan_output_section): Likewise.
10967         (Script_sections::Script_sections): Update for field changes.
10968         (Script_sections::data_segment_align): Set saw_data_segment_align_
10969         and data_segment_align_start_, not data_segment_align_index.
10970         (Script_sections::data_segment_relro_end): Check
10971         saw_data_segment_align_.  Use data_segment_align_start_ rather
10972         than data_segment_align_index_.
10973         (Script_sections::place_orphan): Rewrite to use
10974         Orphan_section_placement.
10975
10976 2009-03-17  Ian Lance Taylor  <iant@google.com>
10977
10978         * archive.cc (Archive::add_symbols): Check for a version attached
10979         to the symbol name in the archive map.
10980         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
10981         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
10982         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
10983         (ver_test_11.a): New target.
10984         * testsuite/Makefile.in: Rebuild.
10985
10986         * configure.ac: Check for chsize and posix_fallocate.  Replace
10987         ftruncate.
10988         * ftruncate.c: New file, from gnulib.
10989         * output.cc (posix_fallocate): Define dummy version if not
10990         HAVE_POSIX_FALLOCATE.
10991         (Output_file::map): Call posix_fallocate rather than lseek and
10992         write.
10993         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
10994         * configure, Makefile.in, config.in: Rebuild.
10995
10996 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
10997
10998         * layout.h (Layout::create_note): Add section_name parameter.
10999         * layout.cc (Layout::create_note): Likewise.
11000         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
11001
11002 2009-03-17  Ian Lance Taylor  <iant@google.com>
11003
11004         * descriptors.cc: Include "options.h".
11005         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
11006         (Descriptors::open): Always use O_CLOEXEC when opening a new
11007         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
11008         then set FD_CLOEXEC.
11009
11010         * sparc.cc (class Target_sparc): Add has_got_section.
11011         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
11012         make sure we have a GOT section.
11013
11014         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
11015         (Target_sparc::Scan::local): Likewise.
11016         (Target_sparc::Scan::global): Likewise.
11017         (Target_sparc::Relocate::relocate): Likewise.
11018         (Target_sparc::Relocate::relocate_tls): Likewise.
11019
11020         * symtab.cc (Symbol_table::define_default_version): New function,
11021         broken out of add_from_object.
11022         (Symbol_table::add_from_object): Call define_default_version.
11023         (Symbol_table::define_special_symbol): Add resolve_oldsym
11024         parameter.  Change all callers.  If the version for a symbol comes
11025         from a version script, resolve it with the symbol with the same
11026         name with no version.  Also add the symbol without a version if
11027         appropriate.
11028         (do_define_in_output_data): If resolving with oldsym, don't delete
11029         sym.
11030         (do_define_in_output_segment): Likewise.
11031         (do_define_as_constant): Likewise.
11032         * symtab.h (class Symbol_table): Update declarations.
11033
11034 2009-03-13  Ian Lance Taylor  <iant@google.com>
11035
11036         * readsyms.cc (Read_symbols::incompatible_warning): New function.
11037         (Read_symbols::requeue): New function.
11038         (Read_symbols::do_read_symbols): If make_elf_object fails because
11039         the target type is not configured, and the file was searched for,
11040         issue a warning and retry with the next directory.
11041         (Add_symbols::run): If the file has an incompatible format, and
11042         it was searched for, requeue the Read_symbols task.  On error,
11043         release the object.
11044         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
11045         dirindex parameter to constructor.  Change all callers.  Declare
11046         incompatible_warning and requeue.
11047         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
11048         input_argument_ and input_group_ fields.  Add them to
11049         constructor.  Change all callers.
11050         (class Read_script): Add dirindex_ field.  Add it to constructor.
11051         Change all callers.
11052         * archive.cc (Archive::setup): Remove input_objects parameter.
11053         Change all callers.
11054         (Archive::get_file_and_offset): Likewise.
11055         (Archive::read_all_symbols): Likewise.
11056         (Archive::read_symbols): Likewise.
11057         (Archive::get_elf_object_for_member): Remove input_objects
11058         parameter.  Add punconfigured parameter.  Change all callers.
11059         (Archive::add_symbols): Change return type to bool.  Check return
11060         value of include_member.
11061         (Archive::include_all_members): Likewise.
11062         (Archive::include_member): Change return type to bool.  Return
11063         false if first included object has incompatible target.  Set
11064         included_member_ field.
11065         (Add_archive_symbols::run): If add_symbols returns false, requeue
11066         Read_symbols task.
11067         * archive.h (class Archive): Add included_member_ field.
11068         Initialize it in constructor.  Add input_file and searched_for
11069         methods.  Update declarations.
11070         (class Add_archive_symbols): Add dirpath_, dirindex_, and
11071         input_argument_ fields.  Add them to constructor.  Change all
11072         callers.
11073         * script.cc: Include "target-select.h".
11074         (class Parser_closure): Add skip_on_incompatible_target_ and
11075         found_incompatible_target_ fields.  Add
11076         skip_on_incompatible_target parameter to constructor.  Change all
11077         callers.  Add methods skip_on_incompatible_target,
11078         clear_skip_on_incompatible_target, found_incompatible_target, and
11079         set_found_incompatible_target.
11080         (read_input_script): Add dirindex parameter.  Change all callers.
11081         If parser finds an incompatible target, requeue Read_symbols
11082         task.
11083         (script_set_symbol): Clear skip_on_incompatible_target in
11084         closure.
11085         (script_add_assertion, script_parse_option): Likewise.
11086         (script_start_sections, script_add_phdr): Likewise.
11087         (script_check_output_format): New function.
11088         * script.h (read_input_script): Update declaration.
11089         * script-c.h (script_check_output_format): Declare.
11090         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
11091         (ignore_cmd): Remove OUTPUT_FORMAT.
11092         * fileread.cc (Input_file::Input_file): Add explicit this.
11093         (Input_file::will_search_for): New function.
11094         (Input_file::open): Add pindex parameter.  Change all callers.
11095         * fileread.h (class Input_file): Add input_file_argument method.
11096         Declare will_search_for.  Update declarations.
11097         * object.cc (make_elf_object): Add punconfigured parameter.
11098         Change all callers.
11099         * object.h (class Object): Make input_file public.  Add
11100         searched_for method.
11101         (make_elf_object): Update declaration.
11102         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
11103         restart search.
11104         * dirsearch.h (class Dirsearch): Update declaration.
11105         * options.h (class General_options): Add --warn-search-mismatch.
11106         * parameters.cc (Parameters::is_compatible_target): New function.
11107         * parameters.h (class Parameters): Declare is_compatible_target.
11108         * workqueue.cc (Workqueue::add_blocker): New function.
11109         * workqueue.h (class Workqueue): Declare add_blocker.
11110
11111         * fileread.cc (Input_file::open): Remove options parameter.
11112         Change all callers.
11113         (Input_file::open_binary): Likewise.
11114         * script.cc (read_input_script): Likewise.
11115         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
11116         options parameter from constructor.  Change all callers.
11117         (class Read_script): Likewise.
11118         * fileread.h (class Input_file): Update declarations.
11119         * script.h (read_input_script): Update declaration.
11120
11121 2009-03-10  Nick Clifton  <nickc@redhat.com>
11122
11123         * po/es.po: New Spanish translation.
11124
11125 2009-03-06  Cary Coutant  <ccoutant@google.com>
11126
11127         * options.cc (parse_short_option): Keep dash_z from registering itself.
11128
11129 2009-03-03  Ian Lance Taylor  <iant@google.com>
11130
11131         PR 9918
11132         * target-reloc.h (relocate_section): Pass output_section to
11133         relocate.
11134         * i386.cc (Target_i386::should_apply_static_reloc): Add
11135         output_section parameter.  Change all callers.
11136         (Target_i386::Relocate::relocate): Add output_section parameter.
11137         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
11138         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
11139         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
11140         * testsuite/two_file_shared.sh: New script.
11141         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
11142         (check_DATA): Add two_file_shared.dbg.
11143         (two_file_shared.dbg): New target.
11144         * testsuite/Makefile.in: Rebuild.
11145
11146 2009-03-01  Ian Lance Taylor  <iant@google.com>
11147
11148         * configure.ac: Check for byteswap.h.
11149         * configure: Rebuild.
11150         * config.in: Rebuild.
11151
11152 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
11153
11154         * layout.cc (Layout::find_or_add_kept_section): New function.
11155         (Layout::add_comdat): Removed.
11156         * layout.h (struct Kept_section): Move out of class Layout.
11157         Remove trailing underscores from field names.  Add group_sections
11158         field.  Rename group_ field to is_group.  Change all uses.
11159         (class Layout): Declare find_or_add_kept_section, not add_comdat.
11160         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
11161         comdat_groups_ field.
11162         (Sized_relobj::include_section_group): Use
11163         find_or_add_kept_section and Kept_section::group_sections.
11164         (Sized_relobj::include_linkonce_section): Likewise.
11165         * object.cc (class Sized_relobj): Don't define Comdat_group or
11166         Comdat_group_table.  Remove find_comdat_group and
11167         add_comdat_group.  Remove comdat_groups_ field.
11168         * plugin.cc (include_comdat_group): Use
11169         Layout::find_or_add_kept_section.
11170
11171 2009-02-28  Ian Lance Taylor  <iant@google.com>
11172
11173         * README: --gc-sections and map files are now supported.  Document
11174         some build requirements.
11175
11176         PR 6992
11177         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
11178         relocatable link set the value of the section symbol to zero.
11179         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
11180         relocatable link don't include the section address in the local
11181         symbol value.
11182
11183 2009-02-27  Ian Lance Taylor  <iant@google.com>
11184
11185         PR 6811
11186         * options.h (class Search_directory): Add is_system_directory.
11187         (class General_options): Declare is_in_system_directory.
11188         * options.cc (get_relative_sysroot): Make static.
11189         (get_default_sysroot): Make static.
11190         (General_optoins::is_in_system_directory): New function.
11191         * fileread.cc (Input_file::is_in_system_directory): New function.
11192         * fileread.h (class Input_file): Declare is_in_system_directory.
11193         * object.h (class Object): Add is_in_system_directory.
11194         (class Input_objects): Remove system_library_directory_ field.
11195         * object.cc (Input_objects::add_object): Don't set
11196         system_library_directory_.
11197         (input_objects::found_in_system_library_directory): Remove.
11198         * symtab.cc (Symbol_table::write_globals): Remove input_objects
11199         parameter.  Change all callers.
11200         (Symbol_table::sized_write_globals): Likewise.
11201         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
11202         Call Object::is_in_system_directory.
11203         * symtab.h (class Symbol_table): Update declarations.
11204
11205         PR 5990
11206         * descriptors.h (Open_descriptor): Add is_on_stack field.
11207         * descriptors.cc (Descriptors::open): If the descriptor is on the
11208         top of the stack, remove it.  Initialize is_on_stack field.
11209         (Descriptors::release): Only add pod to stack if it is not on the
11210         stack already.
11211         (Descriptors::close_some_descriptor): Clear stack_next and
11212         is_on_stack fields.
11213
11214         PR 7091
11215         * output.cc (Output_section::find_starting_output_address): Rename
11216         from starting_output_address; add PADDR parameter; change return
11217         type.
11218         * output.h (class Output_section): Declare
11219         find_starting_output_address instead of starting_output_address.
11220         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
11221         section symbol for which we can't find a merge section.
11222
11223         PR 9836
11224         * symtab.cc (Symbol_table::add_from_object): If the visibility is
11225         hidden or internal, force the symbol to be local.
11226         * resolve.cc (Symbol::override_visibility): Define.
11227         (Symbol::override_base): Use override_visibility.
11228         (Symbol_table::resolve): Likewise.
11229         (Symbol::override_base_with_special): Likewise.
11230         (Symbol_table::override_with_special): If the visibility is hidden
11231         or internal, force the symbol to be local.
11232         * symtab.h (class Symbol): Add set_visibility and
11233         override_visibility.
11234         * testsuite/ver_test_1.sh: New file.
11235         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
11236         (check_DATA): Add ver_test_1.syms.
11237         (ver_test_1.syms): New target.
11238         * testsuite/Makefile.in: Rebuild.
11239
11240 2009-02-25  Cary Coutant  <ccoutant@google.com>
11241
11242         * layout.cc (Layout::choose_output_section): Don't rename sections
11243         when using a linker script that has a SECTIONS clause.
11244         * Makefile.in: Regenerate.
11245
11246         * testsuite/Makefile.am (script_test_5.sh): New test case.
11247         * testsuite/Makefile.in: Regenerate.
11248         * testsuite/script_test_5.cc: New file.
11249         * testsuite/script_test_5.sh: New file.
11250         * testsuite/script_test_5.t: New file.
11251
11252 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
11253
11254         * archive.cc (Archive::include_member): Update calls to add_symbols.
11255         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
11256         the Layout argument.
11257         * dynobj.h (do_add_symbols): Add the Layout argument.
11258         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
11259         Layout argument.
11260         * object.h (Object::add_symbols): Add the Layout argument.
11261         (Object::do_add_symbols): Add the Layout argument.
11262         (Sized_relobj::do_add_symbols): Add the Layout argument.
11263         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
11264         Unify the two versions.
11265         (Add_plugin_symbols): Remove.
11266         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
11267         (Sized_pluginobj::do_add_symbols): Unify the two versions.
11268         (Add_plugin_symbols): Remove.
11269         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
11270         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
11271         (Add_symbols::run): Make it work with Pulginobj.
11272
11273 2009-02-06  Ian Lance Taylor  <iant@google.com>
11274
11275         * object.cc (Sized_relobj::do_layout): Make info message start
11276         with lower case letter.
11277
11278 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
11279
11280         * binary.cc: Fix file comment.
11281
11282         * options.h (enum Incremental_disposition): Define.
11283         (class General_options): Add new options: --incremental,
11284         --incremental_changed, --incremental_unchanged,
11285         --incremental_unknown.  Add incremental_disposition_ and
11286         implicit_incremental_ fields.
11287         (General_options::incremental_disposition): New function.
11288         (class Position_dependent_options): Add incremental_disposition
11289         option.
11290         (Position_dependent_options::copy_from_options): Set incremental
11291         dispositions.
11292         * options.cc (General_options::parse_incremental_changed): New
11293         function.
11294         (General_options::parse_incremental_unchanged): New function.
11295         (General_options::parse_incremental_unknown): New function.
11296         (General_options::General_options): Initialize new fields
11297         incremental_disposition_ and implicit_incremental_.
11298         (General_options::finalize): Check for uasge of --incremental-*
11299         without --incremental.
11300
11301 2009-02-06  Chris Demetriou  <cgd@google.com>
11302
11303         * gold.h (gold_undefined_symbol): Change to take only a Symbol
11304         pointer and to report location as the file name associated with
11305         the symbol.
11306         (gold_undefined_symbol_at_location): New function to replace the
11307         old gold_undefined_symbol functionality.
11308         * target-reloc.h (relocate_section): Update to use
11309         gold_undefined_symbol_at_location.
11310         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
11311         Call gold_undefined_symbol function rather than gold_error.
11312         * errors.h (Errors::undefined_symbol): Take location as a
11313         string, rather than calculating it from a relocation.
11314         * errors.cc (Errors::fatal): Print "fatal error:" before the
11315         formatted message.
11316         (Errors::error, Errors::error_at_location): Print "error: "
11317         before the formatted message.
11318         (Errors::undefined_symbol): Take location as a string, rather
11319         than calculating it from a relocation.
11320         (gold_undefined_symbol_at_location): New function akin to
11321         old gold_undefined_symbol, calculates location from relocation.
11322         (gold_undefined_symbol): Change to take only a Symbol pointer
11323         and to report location as the file name associated with the symbol.
11324         * testsuite/debug_msg.sh: Update for changed error messages.
11325         * testsuite/undef_symbol.sh: Likewise.
11326
11327 2009-02-04  Duncan Sands  <baldrick@free.fr>
11328
11329         PR 9812
11330         * reduced_debug_output.h
11331         (Output_reduced_debug_abbrev_section::failed): Use format for
11332         gold_warning.
11333         (Output_reduced_debug_info_section::faild): Likewise.
11334
11335 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
11336
11337         * script.cc (Lazy_demangler): New class.
11338         (Version_script_info::get_symbol_version_helper): Demangle a
11339         symbol only once.
11340
11341 2009-01-29  Cary Coutant  <ccoutant@google.com>
11342
11343         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
11344         to __tls_get_addr.
11345         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
11346
11347 2009-01-28  Ian Lance Taylor  <iant@google.com>
11348
11349         * version.cc (version_string): Bump to 1.9.
11350
11351         * gold.h: Include <cstring> and <stdint.h>.
11352         * version.cc: Include <cstdio>.
11353         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
11354         warning.
11355         * reduced_debug_output.cc (insert_into_vector): Rename from
11356         Insert_into_vector; change all callers.  Use Swap_unaligned to
11357         avoid aliasing issue; remove union since it is unnecessary.
11358
11359 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
11360
11361         * Makefile.am (CCFILES): Add gc.cc.
11362         (HFILES): Add gc.h.
11363         * Makefile.in: Regenerate.
11364         * gold.cc (Gc_runner): New class.
11365         (queue_initial_tasks): Call garbage collection related tasks
11366         when corresponding options are invoked.
11367         (queue_middle_gc_tasks): New function.
11368         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
11369         processed early before laying out sections during garbage collection.
11370         * gold.h (queue_middle_gc_tasks): New function.
11371         (is_prefix_of): Move from "layout.cc".
11372         * i386.cc (Target_i386::gc_process_relocs): New function.
11373         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
11374         * main.cc (main): Create object of class "Garbage_collection".
11375         * object.cc (Relobj::copy_symbols_data): New function.
11376         (Relobj::is_section_name_included): New function.
11377         (Sized_relobj::do_layout): Allow this function to be called twice
11378         during garbage collection and defer layout of section during the
11379         first call.
11380         * object.h (Relobj::get_symbols_data): New function.
11381         (Relobj::is_section_name_included): New function.
11382         (Relobj::copy_symbols_data): New function.
11383         (Relobj::set_symbols_data): New function.
11384         (Relobj::get_relocs_data): New function.
11385         (Relobj::set_relocs_data): New function.
11386         (Relobj::is_output_section_offset_invalid): New pure virtual function.
11387         (Relobj::gc_process_relocs): New function.
11388         (Relobj::do_gc_process_relocs): New pure virtual function.
11389         (Relobj::sd_): New data member.
11390         (Sized_relobj::is_output_section_offset_invalid): New function.
11391         (Sized_relobj::do_gc_process_relocs): New function.
11392         * options.h (General_options::gc_sections): Modify to not be a no-op.
11393         (General_options::print_gc_sections): New option.
11394         * plugin.cc (Plugin_finish::run): Remove function call to
11395         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
11396         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
11397         * reloc.cc (Read_relocs::run): Add task to process relocs and
11398         determine unreferenced sections when doing garbage collection.
11399         (Gc_process_relocs): New class.
11400         (Sized_relobj::do_gc_process_relocs): New function.
11401         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
11402         sections that are garbage collected.
11403         * reloc.h (Gc_process_relocs): New class.
11404         * sparc.cc (Target_sparc::gc_process_relocs): New function.
11405         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
11406         symbols whose corresponding sections are garbage collected.
11407         (Symbol_table::Symbol_table): Add new parameter for the garbage
11408         collection object.
11409         (Symbol_table::gc_mark_undef_symbols): New function.
11410         (Symbol_table::gc_mark_symbol_for_shlib): New function.
11411         (Symbol_table::gc_mark_dyn_syms): New function.
11412         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
11413         as garbage.
11414         (Symbol_table::add_from_object): Likewise.
11415         (Symbol_table::add_from_relobj): When building shared objects, do not
11416         treat externally visible symbols as garbage.
11417         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
11418         table information for static and relocatable links.
11419         * symtab.h (Symbol_table::set_gc): New function.
11420         (Symbol_table::gc): New function.
11421         (Symbol_table::gc_mark_undef_symbols): New function.
11422         (Symbol_table::gc_mark_symbol_for_shlib): New function.
11423         (Symbol_table::gc_mark_dyn_syms): New function.
11424         (Symbol_table::gc_): New data member.
11425         * target.h (Sized_target::gc_process_relocs): New pure virtual
11426         function.
11427         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
11428         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
11429
11430 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
11431
11432         * options.h (General_options::gc_sections): Define as a no-op for now.
11433         (General_options::no_keep_memory): Ditto.
11434         (General_options::Bshareable): Define.
11435         * options.cc (General_options::finalize): Honor -Bshareable.
11436
11437 2009-01-20  Andreas Schwab  <schwab@suse.de>
11438
11439         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
11440         read the value in the contents, since we don't use it.  Use the
11441         template endianness when writing.
11442         (Relocate::relocate): Use it for R_PPC_REL16_HA.
11443
11444 2009-01-19  Andreas Schwab  <schwab@suse.de>
11445
11446         * configure.tgt (powerpc64-*): Fix targ_obj.
11447
11448 2009-01-15  Ian Lance Taylor  <iant@google.com>
11449
11450         * object.cc (Sized_relobj::write_local_symbols): Don't write out
11451         local symbols when stripping all symbols.
11452
11453 2009-01-14  Cary Coutant  <ccoutant@google.com>
11454
11455         * output.cc (Output_reloc): Add explicit instantiations.
11456
11457 2009-01-14  Cary Coutant  <ccoutant@google.com>
11458
11459         * archive.cc (Archive::get_elf_object_for_member): Remove call
11460         to File_read::claim_for_plugin.
11461         * descriptors.cc (Descriptors::open): Remove reference to
11462         is_claimed.
11463         (Descriptors::claim_for_plugin): Remove.
11464         * descriptors.h (Descriptors::claim_for_plugin): Remove.
11465         (Descriptors::is_claimed): Remove.
11466         (claim_descriptor_for_plugin): Remove.
11467         * fileread.cc (File_read::claim_for_plugin): Remove.
11468         * fileread.h (File_read::claim_for_plugin): Remove.
11469         (File_read::descriptor): Reopen descriptor if necessary.
11470         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
11471         (Plugin_manager::all_symbols_read): Add task parameter. Change
11472         all callers.
11473         (Plugin_manager::get_input_file): New function.
11474         (Plugin_manager::release_input_file): New function.
11475         (Pluginobj::Pluginobj): Add filesize parameter and initialize
11476         corresponding data member.
11477         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
11478         and pass to base constructor. Change all callers.
11479         (get_input_file, release_input_file): New functions.
11480         (make_sized_plugin_object): Add filesize parameter. Change all callers.
11481         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
11482         (Plugin_manager::all_symbols_read): Add task parameter.
11483         (Plugin_manager::get_input_file): New function.
11484         (Plugin_manager::release_input_file): New function.
11485         (Plugin_manager::task_): New data member.
11486         (Pluginobj::Pluginobj): Add filesize parameter.
11487         (Pluginobj::filename): New function.
11488         (Pluginobj::descriptor): New function.
11489         (Pluginobj::filesize): New function.
11490         (Pluginobj::filesize_): New data member.
11491         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
11492         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
11493         File_read::claim_for_plugin; use Object::unlock to unlock the file.
11494
11495         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
11496         with archive libraries.
11497         * testsuite/Makefile.in: Regenerate.
11498         * testsuite/plugin_test.c (struct sym_info): New type.
11499         (get_input_file, release_input_file): New static variables.
11500         (onload): Capture new transfer vector entries.
11501         (claim_file_hook): Stop reading at end of file according to filesize.
11502         Factor out parsing of readelf output into separate function.
11503         (all_symbols_read_hook): Exercise get_input_file and release_input_file
11504         APIs and get the source file name from the symbol table.  Convert
11505         source file name to corresponding object file name.  Print info
11506         message when adding new input files.
11507         (parse_readelf_line): New function.
11508         * testsuite/plugin_test_1.sh: Add checks for new info messages.
11509         * testsuite/plugin_test_2.sh: Likewise.
11510         * testsuite/plugin_test_3.sh: Likewise.
11511         * testsuite/plugin_test_4.sh: New test case.
11512
11513 2009-01-07  Ian Lance Taylor  <iant@google.com>
11514
11515         * version.cc (version_string): Bump to 1.8.
11516
11517 2008-12-23  Cary Coutant  <ccoutant@google.com>
11518
11519         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
11520         * plugin.cc (Plugin_manager::finish): Rename as
11521         layout_deferred_objects.  Move cleanup to separate function.
11522         (Plugin_manager::cleanup): New function.
11523         (Plugin_finish::run): Call layout_deferred_objects and cleanup
11524         separately.
11525         * plugin.h (Plugin_manager::finish): Rename as
11526         layout_deferred_objects.
11527         (Plugin_manager::cleanup): New function.
11528         (Plugin_manager::cleanup_done): New field.
11529
11530 2008-12-23  Cary Coutant  <ccoutant@google.com>
11531
11532         * plugin.cc (is_visible_from_outside): New function.
11533         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
11534         so we don't return "IR only" status for exported symbols or -r links.
11535
11536         * testsuite/Makefile.am (plugin_test_3): New test case.
11537         * testsuite/Makefile.in: Regenerate.
11538         * testsuite/plugin_test_3.sh: New file.
11539
11540 2008-12-22  Cary Coutant  <ccoutant@google.com>
11541
11542         * object.cc (Sized_relobj::layout_section): New function.
11543         (Sized_relobj::do_layout): Defer layout of input sections until after
11544         plugin has provided replacement files.
11545         (Sized_relobj::do_layout_deferred_sections): New function.
11546         * object.h (Relobj::set_section_offset): Remove virtual keyword.
11547         (Relobj::layout_deferred_sections): New function.
11548         (Relobj::do_layout_deferred_sections): New function.
11549         (Sized_relobj::do_layout_deferred_sections): New function.
11550         (Sized_relobj::layout_section): New function.
11551         (Sized_relobj::Deferred_layout): New structure.
11552         (Sized_relobj::deferred_layout_): New field.
11553         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
11554         Change all callers.  Layout deferred sections.
11555         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
11556         references.
11557         (Plugin_hook::run): Move code from do_plugin_hook inline.
11558         (Plugin_hook::do_plugin_hook): Remove.
11559         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
11560         (Plugin_manager::finish): Renamed, was cleanup.
11561         (Plugin_manager::should_defer_layout): New function.
11562         (Plugin_manager::add_deferred_layout_object): New function.
11563         (Plugin_manager::Deferred_layout_list): New type.
11564         (Plugin_manager::deferred_layout_objects_): New field.
11565         (Plugin_hook::do_plugin_hook): Remove.
11566
11567 2008-12-17  Ian Lance Taylor  <iant@google.com>
11568
11569         * options.h (class General_options): Add --no case for
11570         --export-dynamic.
11571
11572 2008-12-16  Cary Coutant  <ccoutant@google.com>
11573
11574         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
11575         vector.
11576         (Plugin_manager::claim_file): Create plugin object even if
11577         plugin did not call the add_symbols callback.
11578         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
11579         asking for more symbols than were added.
11580         * testsuite/Makefile.am (plugin_test_1): Add test case with
11581         no global symbols.
11582         (empty.syms): New target.
11583         * testsuite/Makefile.in: Regenerate.
11584         * testsuite/plugin_test.c (claim_file_hook): Add new debug
11585         message. Don't call add_symbols if no globals.
11586         (all_symbols_read_hook): Don't provide replacement for empty
11587         claimed file.
11588
11589 2008-12-12  Ian Lance Taylor  <iant@google.com>
11590
11591         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
11592         r_type == 0 for a local symbol with r_sym == 0.
11593         (scan_relocatable_relocs): Pass r_sym to
11594         local_non_section_strategy.
11595         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
11596         r_sym parameter.
11597
11598         * configure.ac: Update test for TLS descriptors: they are
11599         supported as of glibc 2.9.
11600         * configure: Rebuild.
11601
11602 2008-12-11  Ian Lance Taylor  <iant@google.com>
11603
11604         PR 7091
11605         * target-reloc.h (Default_scan_relocatable_relocs): For each
11606         function, map r_type == 0 to RELOC_DISCARD.
11607
11608 2008-12-10  Cary Coutant  <ccoutant@google.com>
11609
11610         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
11611         object to override a kept COMDAT group from a plugin object.
11612
11613 2008-12-09  Ian Lance Taylor  <iant@google.com>
11614
11615         PR 7088
11616         * yyscript.y (file_cmd): Handle INPUT.
11617
11618         * testsuite/initpri1.c: Change all declarations to be full
11619         prototypes by adding void, to avoid compiler warnings.
11620
11621 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
11622
11623         * options.cc (General_options::parse_plugin_opt): New.
11624         (General_options::add_plugin): The argument now is just the filename.
11625         (General_options::add_plugin_option): New.
11626         * options.h (plugin_opt): New.
11627         (add_plugin): Change argument name.
11628         (add_plugin_option): New.
11629         * plugin.cc (Plugin::load): Don't parse the plugin option.
11630         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
11631         (Plugin::add_option): New.
11632         (Plugin::args_): Change type.
11633         (Plugin::filename_): New.
11634         (Plugin_manager::add_plugin_option): New.
11635         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
11636         * testsuite/Makefile.in: Regenerate.
11637
11638 2008-12-05  Cary Coutant  <ccoutant@google.com>
11639
11640         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
11641         Handle --strip-lto-sections option.
11642         * options.h (strip_lto_sections): New option.
11643
11644 2008-12-01  Cary Coutant  <ccoutant@google.com>
11645
11646         * plugin.cc (ld_plugin_message): Change format parameter to const.
11647         Fix mismatch between new[] and delete.
11648
11649 2008-11-14  Cary Coutant  <ccoutant@google.com>
11650
11651         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
11652         instead of -1U.
11653
11654 2008-11-05  Craig Silverstein  <csilvers@google.com>
11655
11656         * options.cc (General_options::parse_dynamic_list): New function.
11657         * options.h (General_options): New flags dynamic_list,
11658         dynamic_list_data, dynamic_list_cpp_new, and
11659         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
11660         (General_options::in_dynamic_list): New function.
11661         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
11662         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
11663         (Lex::can_continue_name): Likewise.
11664         (yylex): Likewise.
11665         (read_script_file): New parameter script_options.
11666         (read_dynamic_list): New function.
11667         (Script_options::define_dynamic_list): New function.
11668         (dynamic_list_keyword_parsecodes): New variable.
11669         (dynamic_list_keywords): New variable.
11670         * script.h (Script_options::define_dynamic_list): New function
11671         prototype.
11672         (read_dynamic_list): New function prototype.
11673         * symtab.cc (strprefix): New macro.
11674         (Symbol::should_add_dynsym_entry): Support dynamic_list,
11675         dynamic_list_data, dynamic_list_cpp_new, and
11676         dynamic_list_cpp_typeinfo.
11677         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
11678         (dynamic_list_expr): New rule.
11679         (dynamic_list_nodes): Likewise.
11680         (dynamic_list_node): Likewise.
11681         * testsuite/Makefile.am (dynamic_list): New test.
11682         * testsuite/Makefile.in: Regenerated.
11683         * testsuite/dynamic_list.t: New file.
11684         * testsuite/dynamic_list.sh: New file.
11685
11686 2008-11-05  Craig Silverstein  <csilvers@google.com>
11687
11688         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
11689         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
11690         (t11_last): Likewise.
11691         * testsuite/ver_test_6.c (main): Likewise.
11692
11693 2008-10-07  Cary Coutant  <ccoutant@google.com>
11694
11695         * options.c (General_options::finalize): Add check for -static and
11696         -shared.
11697         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
11698         is not empty.
11699
11700 2008-10-02  Cary Coutant  <ccoutant@google.com>
11701
11702         * plugin.cc (make_sized_plugin_object): Fix conditional
11703         compilation to work when not all targets are enabled.
11704
11705 2008-09-29  Cary Coutant  <ccoutant@google.com>
11706
11707         * archive.cc (Archive::get_file_and_offset): Use filename instead
11708         of name to get library path.
11709         (Archive::include_member): Unlock external member of a thin archive.
11710
11711         * testsuite/Makefile.am (TEST_AR): New variable.
11712         (thin_archive_test_1): New test.
11713         (thin_archive_test_2): New test.
11714         * testsuite/Makefile.in: Regenerate.
11715         * testsuite/thin_archive_main.cc: New file.
11716         * testsuite/thin_archive_test_1.cc: New file.
11717         * testsuite/thin_archive_test_2.cc: New file.
11718         * testsuite/thin_archive_test_3.cc: New file.
11719         * testsuite/thin_archive_test_4.cc: New file.
11720
11721 2008-09-29  Cary Coutant  <ccoutant@google.com>
11722
11723         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
11724         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
11725         instead of -1U.
11726         (Sized_relobj::do_finalize_local_symbols): Likewise.
11727         (Sized_relobj::map_to_kept_section): Likewise.
11728         * object.h (Sized_relobj::invalid_address): New constant.
11729         (Sized_relobj::do_output_section_offset): Check for invalid_address
11730         and return -1ULL.
11731         * output.cc (Output_reloc::local_section_offset): Use constant
11732         invalid_address instead of -1U.
11733         (Output_reloc::get_address): Likewise.
11734         (Output_section::output_address): Change -1U to -1ULL.
11735         * output.h (Output_reloc::invalid_address): New constant.
11736         * reloc.cc (Sized_relobj::write_sections): Use constant
11737         invalid_address instead of -1U.
11738         (Sized_relobj::relocate_sections): Likewise.
11739         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
11740         values for merge sections.
11741         * target-reloc.h (relocate_for_relocatable): Use constant
11742         invalid_address instead of -1U.
11743
11744 2008-09-19  Cary Coutant  <ccoutant@google.com>
11745
11746         Add plugin functionality for link-time optimization (LTO).
11747         * configure.ac (plugins): Add --enable-plugins option.
11748         * configure: Regenerate.
11749         * config.in: Regenerate.
11750         * Makefile.am (LIBDL): New variable.
11751         (CCFILES): Add plugin.cc.
11752         (HFILES): Add plugin.h.
11753         (ldadd_var): Add LIBDL.
11754         * Makefile.in: Regenerate.
11755
11756         * archive.cc: Include "plugin.h".
11757         (Archive::setup): Don't preread archive symbols when using a plugin.
11758         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
11759         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
11760         files.
11761         (Archive::include_member): Add symbols from plugin objects.
11762         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
11763         * descriptors.cc (Descriptors::open): Check for file descriptors
11764         abandoned by plugins.
11765         (Descriptors::claim_for_plugin): New function.
11766         * descriptors.h (Descriptors::claim_for_plugin): New function.
11767         (Open_descriptor::is_claimed): New field.
11768         (claim_descriptor_for_plugin): New function.
11769         * fileread.cc (File_read::claim_for_plugin): New function.
11770         * fileread.h (File_read::claim_for_plugin): New function.
11771         (File_read::descriptor): New function.
11772         * gold.cc: Include "plugin.h".
11773         (queue_initial_tasks): Add task to call plugin hooks for generating
11774         new object files.
11775         * main.cc: Include "plugin.h".
11776         (main): Load plugin libraries.
11777         * object.h (Pluginobj): Declare.
11778         (Object::pluginobj): New function.
11779         (Object::do_pluginobj): New function.
11780         (Object::set_target): New function.
11781         * options.cc: Include "plugin.h".
11782         (General_options::parse_plugin): New function.
11783         (General_options::General_options): Initialize plugins_ field.
11784         (General_options::add_plugin): New function.
11785         * options.h (Plugin_manager): Declare.
11786         (General_options): Add --plugin option.
11787         (General_options::has_plugins): New function.
11788         (General_options::plugins): New function.
11789         (General_options::add_plugin): New function.
11790         (General_options::plugins_): New field.
11791         * plugin.cc: New file.
11792         * plugin.h: New file.
11793         * readsyms.cc: Include "plugin.h".
11794         (Read_symbols::do_read_symbols): Check for archive before checking
11795         for ELF file.  Call plugin hooks to claim files.
11796         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
11797         from a real object file; force override when processing replacement
11798         files.
11799         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
11800         (Symbol::init_base_object): Likewise.
11801         (Symbol::init_base_output_data): Likewise.
11802         (Symbol::init_base_output_segment): Likewise.
11803         (Symbol::init_base_constant): Likewise.
11804         (Symbol::init_base_undefined): Likewise.
11805         (Symbol::output_section): Assert that object is not a plugin.
11806         (Symbol_table::add_from_pluginobj): New function.
11807         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
11808         undefined.
11809         (Symbol_table::sized_write_globals): Likewise.
11810         (Symbol_table::add_from_pluginobj): Instantiate template.
11811         * symtab.h (Sized_pluginobj): Declare.
11812         (Symbol::in_real_elf): New function.
11813         (Symbol::set_in_real_elf): New function.
11814         (Symbol::in_real_elf_): New field.
11815         (Symbol_table::add_from_pluginobj): New function.
11816
11817         * testsuite/Makefile.am (AM_CFLAGS): New variable.
11818         (LIBDL): New variable.
11819         (LDADD): Add LIBDL.
11820         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
11821         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
11822         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
11823         (MOSTLYCLEANFILES): Likewise.
11824         * testsuite/Makefile.in: Regenerate.
11825         * testsuite/plugin_test.c: New file.
11826         * testsuite/plugin_test_1.sh: New file.
11827         * testsuite/plugin_test_2.sh: New file.
11828
11829 2008-09-16  Ian Lance Taylor  <iant@google.com>
11830
11831         * target-reloc.h (relocate_section): Check whether a symbol is
11832         defined by the ABI before reporting an undefined symbol error.
11833         * target.h (Target::is_defined_by_abi): Make parameter const.
11834         (Target::do_is_defined_by_abi): Likewise.
11835         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
11836         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
11837         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
11838         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
11839         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
11840         * testsuite/Makefile.in: Rebuild.
11841
11842         * fileread.cc (make_view): Add casts to avoid warning.
11843
11844 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
11845
11846         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
11847         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
11848
11849 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
11850
11851         * options.h (General_options::output_is_executable): New.
11852         (General_options::output_is_pie): New.
11853         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
11854         for shared libraries.
11855         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
11856
11857 2008-09-11  Chris Demetriou  <cgd@google.com>
11858
11859         * options.h (origin): New -z option.
11860         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
11861         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
11862         in DT_FLAGS_1.
11863
11864 2008-09-05  Cary Coutant  <ccoutant@google.com>
11865
11866         * fileread.cc (File_read::make_view): Add check for attempt to map
11867         beyond end of file.
11868
11869 2008-09-05  Cary Coutant  <ccoutant@google.com>
11870
11871         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
11872         explicit instantiations.
11873
11874 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
11875
11876         PR gold/6858
11877         * options.cc (General_options::finalize): Allow undefined symbols
11878         in shlibs if linking -shared.
11879
11880         PR gold/6859
11881         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
11882         symbols as not needing a dynsym entry.
11883
11884 2008-08-20  Craig Silverstein  <csilvers@google.com>
11885
11886         * fileread.cc (File_read::open): Do not lock the file unless it
11887         was successfully opened.
11888
11889 2008-08-14  Cary Coutant  <ccoutant@google.com>
11890
11891         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
11892         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
11893         * testsuite/tls_test.cc (struct int128): 128-bit struct
11894         for testing TLS relocs with non-zero addend.
11895         (v12): New TLS variable.
11896         (t12): New test.
11897         (t_last): Add check for v12.
11898         * testsuite/tls_test.h (t12): New function.
11899         * testsuite/tls_test_main.cc (thread_routine): Call new test.
11900
11901 2008-08-13  Ian Lance Taylor  <iant@google.com>
11902
11903         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
11904         set tls_segment_ or relro_segment_.
11905         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
11906         when appropriate.
11907         * output.h (Output_section::clear_is_relro): New function.
11908         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
11909         sections specially even when output_data_ is empty.
11910         (Output_segment::maximum_alignment): When first section is relro,
11911         only force alignment for PT_LOAD segments.
11912         * script.cc (script_data_segment_align): New function.
11913         (script_data_segment_relro_end): New function.
11914         * script-c.h (script_data_segment_align): Declare.
11915         (script_data_segment_relro_end): Declare.
11916         * script-sections.h (class Script_sections): Declare
11917         data_segment_align and data_segment_relro_end.  Add fields
11918         segment_align_index_ and saw_relro_end_.
11919         * script-sections.cc (class Sections_element): Add set_is_relro
11920         virtual function.  Add new bool* parameter to place_orphan_here.
11921         Add get_output_section virtual function.
11922         (class Output_section_definition): Add set_is_relro.  Add new
11923         bool* parameter to place_orphan_here.  Add get_output_section.
11924         Add is_relro_ field.
11925         (Output_section_definition::Output_section_definition): Initialize
11926         evaluated_address_, evaluated_load_address, evaluated_addralign_,
11927         and is_relro_ fields.
11928         (Output_section_definition::place_orphan_here): Add is_relro
11929         parameter.
11930         (Output_section_definition::set_section_addresses): Set relro for
11931         output section.
11932         (Output_section_definition::alternate_constraint): Likewise.
11933         (class Orphan_output_section): Add new bool* parameter to
11934         place_orphan_here.  Add get_output_section.
11935         (Orphan_output_section::place_orphan_here): Add is_relro
11936         parameter.
11937         (Script_sections::Script_sections): Initialize
11938         data_segment_align_index_ and saw_relro_end_.
11939         (Script_sections::data_segment_align): New function.
11940         (Script_sections::data_segment_relro_end): New function.
11941         (Script_sections::place_orphan): Set or clear is_relro.
11942         (Script_sections::set_section_addresses): Force alignment of first
11943         TLS section.
11944         * yyscript.y (exp): Call script_data_segment_align and
11945         script_data_segment_relro_end.
11946         * testsuite/relro_script_test.t: New file.
11947         * testsuite/relro_test.cc (using_script): Declare.
11948         (t1, t2): Test using_script.
11949         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
11950         (relro_script_test_SOURCES): Define.
11951         (relro_script_test_DEPENDENCIES): Define.
11952         (relro_script_test_LDFLAGS): Define.
11953         (relro_script_test_LDADD): Define.
11954         (relro_script_test.so): New target.
11955         * testsuite/Makefile.in: Rebuild.
11956
11957 2008-08-06  Cary Coutant <ccoutant@google.com>
11958
11959         * archive.cc (Archive::total_archives, Archive::total_members)
11960         (Archive::total_members_loaded): New variables.
11961         (Archive::setup): Add parameter.  Add option to preread
11962         archive symbols.
11963         (Archive::read_armap): Add counter.
11964         (Archive::get_file_and_offset): New function.
11965         (Archive::get_elf_object_for_member): New function.
11966         (Archive::read_all_symbols): New function.
11967         (Archive::read_symbols): New function.
11968         (Archive::add_symbols): Add counters.
11969         (Archive::include_all_members): Use armap to find members if it's
11970         already built.
11971         (Archive::include_member): Skip reading symbols if already read.
11972         Factored code into Archive::get_file_and_offset and
11973         Archive::get_elf_object_for_member.  Changed call to
11974         Mapfile::report_include_archive_member.
11975         (Archive::print_stats): New function.
11976         * archive.h: Declare Object and Read_symbols_data classes.
11977         (Archive::Archive): Add initializers for new members.
11978         (Archive::setup): Add parameter.
11979         (Archive::print_stats): New function.
11980         (Archive::total_archives, Archive::total_members)
11981         (Archive::total_members_loaded): New variables.
11982         (Archive::get_file_and_offset): New function.
11983         (Archive::get_elf_object_for_member): New function.
11984         (Archive::read_all_symbols): New function.
11985         (Archive::read_symbols): New function.
11986         (Archive::Archive_member): New class.
11987         (Archive::members_): New member.
11988         (Archive::num_members_): New member.
11989         * main.cc: Include archive.h.
11990         (main): Call Archive::print_stats.
11991         * mapfile.cc (Mapfile::report_include_archive_member): Delete
11992         archive parameter; member_name is now the fully-decorated name.
11993         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
11994         * options.h: (General_options): Add --preread-archive-symbols option.
11995         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
11996         Archive::setup.
11997
11998 2008-08-04  Ian Lance Taylor  <iant@google.com>
11999
12000         * symtab.h (Symbol::use_plt_offset): New function.
12001         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
12002         * powerpc.cc (Relocate::relocate): Likewise.
12003         * sparc.cc (Relocate::relocate): Likewise.
12004         * x86_64.cc (Relocate::relocate): Likewise.
12005         * testsuite/weak_plt.sh: New test.
12006         * testsuite/weak_plt_main.cc: New test.
12007         * testsuite/weak_plt_shared.cc: New test.
12008         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
12009         (check_PROGRAMS): Add weak_plt.
12010         (check_DATA): Add weak_plt_shared.so.
12011         (weak_plt_main_pic.o, weak_plt): New targets.
12012         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
12013         * testsuite/Makefile.in: Rebuild.
12014
12015         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
12016         gcctestdir/ld.
12017         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
12018         * testsuite/Makefile.in: Rebuild.
12019
12020 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
12021
12022         * Makefile.am (POTFILES.in): Set LC_ALL=C.
12023         * Makefile.in: Regenerate.
12024         * po/POTFILES.in: Regenerate.
12025
12026 2008-07-29  Ian Lance Taylor  <iant@google.com>
12027
12028         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
12029         symbols before other symbols.
12030         * testsuite/script_test_2.cc (test_addr): Declare.
12031         (test_addr_alias): Declare.
12032         (main): Check that test_addr and test_addr_alias have the right
12033         values.
12034         * testsuite/script_test_2.t: Define test_addr_alias and
12035         test_addr.
12036
12037 2008-07-24  Ian Lance Taylor  <iant@google.com>
12038
12039         PR 5990
12040         * descriptors.cc: New file.
12041         * descriptors.h: New file.
12042         * gold-threads.h (class Hold_optional_lock): New class.
12043         * fileread.cc: Include "descriptors.h".
12044         (File_read::~File_read): Release descriptor rather than closing
12045         it.
12046         (File_read::open) [file]: Call open_descriptor rather than open.
12047         Set is_descriptor_opened_.
12048         (File_read::open) [memory]: Assert that descriptor is not open.
12049         (File_read::reopen_descriptor): New function.
12050         (File_read::release): Release descriptor.
12051         (File_read::do_read): Make non-const.  Reopen descriptor.
12052         (File_read::read): Make non-const.
12053         (File_read::make_view): Reopen descriptor.
12054         (File_read::do_readv): Likewise.
12055         * fileread.h (class File_read): Add is_descriptor_opened_ field.
12056         Update declarations.
12057         * layout.cc: Include "descriptors.h".
12058         (Layout::create_build_id): Use open_descriptor rather than open.
12059         * output.cc: Include "descriptors.h".
12060         (Output_file::open): Use open_descriptor rather than open.
12061         * archive.cc (Archive::const_iterator): Change Archive to be
12062         non-const.
12063         (Archive::begin, Archive::end): Make non-const.
12064         (Archive::count_members): Likewise.
12065         * archive.h (class Archive): Update declarations.
12066         * object.h (Object::read): Make non-const.
12067         * Makefile.am (CCFILES): Add descriptors.cc.
12068         (HFILES): Add descriptors.h.
12069         * Makefile.in: Rebuild.
12070
12071         PR 6716
12072         * gold.h: Always include <clocale>.  Add Solaris workarounds
12073         following code in binutils/sysdep.h.
12074
12075         PR 6048
12076         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
12077         this->eh_frame_hdr_ is NULL before using it.
12078
12079         * dynobj.cc (Versions::Versions): Update comment.
12080
12081         * dynobj.cc (Versions::Versions): If there is an soname, use it as
12082         the base version name.
12083
12084         * stringpool.cc (Stringpool_template::add_with_length): Set key to
12085         array size plus one.
12086         (Stringpool_template::set_string_offsets): Subtract one from key
12087         before using it as an array index.
12088         (Stringpool_template::get_offset_with_length): Likewise.
12089         (Stringpool_template::write_to_buffer): Likewise.
12090         * stringpool.h (Stringpool_template::get_offset_from_key):
12091         Likewise.
12092
12093 2008-07-23  Ian Lance Taylor  <iant@google.com>
12094
12095         PR 6658
12096         * object.h (Merged_symbol_value::value): Do our best to handle a
12097         negative addend.
12098
12099         PR 6647
12100         * script.cc (Version_script_info::get_versions): Don't add empty
12101         version tag to return value.
12102         (Version_script_info::get_symbol_version_helper): Change return
12103         type to bool.  Add pversion parameter.  Change all callers.
12104         (script_register_vers_node): Don't require a non-NULL tag.
12105         * script.h (class Version_script_info): Update declarations.
12106         (Version_script_info::get_symbol_version): Change return type to
12107         bool.  Add version parameter.  Change all callers.
12108         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
12109         handling.  Handle an empty version from a version script.
12110         (Symbol_table::define_special_symbol): Likewise.
12111         * testsuite/ver_test_10.script: New file.
12112         * testsuite/ver_test_10.sh: New file.
12113         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
12114         (check_DATA): Add ver_test_10.syms.
12115         (ver_test_10.syms, ver_test_10.so): New target.
12116         * testsuite/Makefile.in: Rebuild.
12117
12118 2008-07-23  Simon Baldwin  <simonb@google.com>
12119
12120         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
12121         to zero for undefined symbols from dynamic libraries.
12122
12123 2008-07-23  Ian Lance Taylor  <iant@google.com>
12124
12125         * symtab.cc (Symbol_table::resolve): Remove version parameter.
12126         Change all callers.
12127         * symtab.h (class Symbol_table): Update declaration.
12128         * testsuite/ver_test_9.cc: New file.
12129         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
12130         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
12131         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
12132         (ver_test_9.so, ver_test_9.o): New targets.
12133         * testsuite/Makefile.in: Rebuild.
12134
12135 2008-07-22  Ian Lance Taylor  <iant@google.com>
12136
12137         * options.h (class General_options): Define --check-sections.
12138         * layout.cc (Layout::set_segment_offsets): Handle
12139         --check-sections.
12140
12141         * options.h (class General_options): Define -n/--nmagic and
12142         -N/--omagic.
12143         * options.cc (General_options::finalize): For -n/--nmagic or
12144         -N/--omagic, set -static.
12145         * layout.cc (Layout::attach_allocated_section_to_segment): If
12146         -N/--omagic, don't put read-only and read-write sections in
12147         different segments.
12148         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
12149         finding a read-only segment.
12150         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
12151         don't set the minimum segment alignment to the common page size,
12152         and don't set the file offset to the address modulo the page size.
12153         * script-sections.cc (Script_sections::create_segments): If
12154         -n/--omagic, don't put read-only and read-write sections in
12155         different segments.
12156
12157         * cref.cc: New file.
12158         * cref.h: New file.
12159         * options.h (class General_options): Add --print-symbol-counts.
12160         * main.cc (main): Issue defined symbol report if requested.
12161         * archive.cc (Archive::interpret_header): Make into a const member
12162         function.
12163         (Archive::add_symbols): Call Input_objects::archive_start and
12164         archive_stop.
12165         (Archive::const_iterator): Define new class.
12166         (Archive::begin, Archive::end): New functions.
12167         (Archive::include_all_members): Rewrite to use iterator.
12168         (Archive::count_members): New function.
12169         * archive.h (class Archive): Update declarations.
12170         (Archive::filename): New function.
12171         * object.cc: Include "cref.h".
12172         (Sized_relobj::Sized_relobj): Initialize defined_count_.
12173         (Sized_relobj::do_get_global_symbol_counts): New function.
12174         (Input_objects::add_object): Add object to cross-referencer.
12175         (Input_objects::archive_start): New function.
12176         (Input_objects::archive_stop): New function.
12177         (Input_objects::print_symbol_counts): New function.
12178         * object.h: Declare Cref and Archive.
12179         (Object::get_global_symbol_counts): New function.
12180         (Object::do_get_global_symbol_counts): New pure virtual function.
12181         (class Sized_relobj): Add defined_count_ field.  Update
12182         declarations.
12183         (class Input_objects): Add cref_ field.  Update constructor.
12184         Update declarations.
12185         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
12186         defined_count_.
12187         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
12188         symbol counts.
12189         (Sized_dynobj::do_get_global_symbol_counts): New function.
12190         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
12191         defined_count_.  Update declarations.  Define Symbols typedef.
12192         * symtab.cc (Symbol_table::add_from_relobj): Add defined
12193         parameter.  Change all callers.
12194         (Symbol_table::add_from_dynobj): Add sympointers and defined
12195         parameters.  Change all callers.
12196         * symtab.h (class Symbol_table): Update declarations.
12197         * Makefile.am (CCFILES): Add cref.cc.
12198         (HFILES): Add cref.h.
12199         * Makefile.in: Rebuild.
12200
12201 2008-07-22  Simon Baldwin  <simonb@google.com>
12202
12203         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
12204         to zero when writing undefined symbols.
12205
12206 2008-07-22  Ian Lance Taylor  <iant@google.com>
12207
12208         * output.cc (Output_section::add_input_section): Don't try to
12209         merge empty merge sections.
12210
12211 2008-07-21  Craig Silverstein  <csilvers@google.com>
12212
12213         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
12214         Include symbol version in error message.
12215
12216 2008-07-20  Chris Demetriou  <cgd@google.com>
12217
12218         * configure.ac (gold_cv_c_random_seed): New configured variable.
12219         (RANDOM_SEED_CFLAGS): New substituted variable.
12220         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
12221         * configure: Rebuild.
12222         * Makefile.in: Likewise.
12223         * testsuite/Makefile.in: Likewise.
12224
12225 2008-07-18  Ian Lance Taylor  <iant@google.com>
12226
12227         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
12228         where we see NAME/NULL and NAME/VERSION  as separate symbols.
12229         * testsuite/ver_test_main.cc (main): Call t4.
12230         (t4, t4_2a): Define.
12231         * testsuite/ver_test_2.cc (t4_2): Define.
12232         * testsuite/ver_test_2.script: Put t4_2a in VER2.
12233         * testsuite/ver_test_4.cc (t4_2a): Define.
12234         * testsuite/ver_test_4.script: Put t4_2a in VER2.
12235         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
12236
12237 2008-07-17  Ian Lance Taylor  <iant@google.com>
12238
12239         * dynobj.cc (Versions::add_def): If we give an error about a
12240         missing version, go ahead and create the version anyhow.
12241
12242 2008-07-10  Ian Lance Taylor  <iant@google.com>
12243
12244         Handle output sections with more than 0x7fffffff bytes.
12245         * object.h (class Relobj): Change map_to_output_ to
12246         output_sections_, and just keep a section pointer.  Change all
12247         uses.  Move comdat group support to Sized_relobj.
12248         (Relobj::is_section_specially_mapped): Remove.
12249         (Relobj::output_section): Remove poff parameter.  Change all
12250         callers.
12251         (Relobj::output_section_offset): New function.
12252         (Relobj::set_section_offset): Rewrite.
12253         (Relobj::map_to_output): Remove.
12254         (Relobj::output_sections): New function.
12255         (Relobj::do_output_section_offset): New pure virtual function.
12256         (Relobj::do_set_section_offset): Likewise.
12257         (class Sized_relobj): Add section_offsets_ field.  Add comdat
12258         group support from Relobj.  Update declarations.
12259         (Sized_relobj::get_output_section_offset): New function.
12260         (Sized_relobj::do_output_section_offset): New function.
12261         (Sized_relobj::do_set_section_offset): New function.
12262         * object.cc (Relobj::output_section_address): Remove.
12263         (Sized_relobj::Sized_relobj): Initialize new fields.
12264         (Sized_relobj::include_section_group): Cast find_kept_object to
12265         Sized_relobj.
12266         (Sized_relobj::include_linkonce_section): Likewise.
12267         (Sized_relobj::do_layout): Use separate arrays for output section
12268         and output offset.
12269         (Sized_relobj::do_count_local_symbols): Change map_to_output to
12270         output_sections.
12271         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
12272         output_sections and section_offsets.
12273         (Sized_relobj::write_local_symbols): Likewise.
12274         (map_to_kept_section): Compute output address directly.
12275         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
12276         output_sections and section_offsets.
12277         (Sized_relobj::write_sections): Likewise.
12278         (Sized_relobj::relocate_sections): Likewise.
12279         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
12280         * output.h (class Output_reloc): Update declarations.  Change
12281         u2_.relobj to Sized_relobj*.
12282         (class Output_data_reloc): Change add functions to use
12283         Sized_relobj*.
12284         * output.cc (Output_reloc::Output_reloc): Change relobj to
12285         Sized_relobj*.
12286         (Output_reloc::local_section_offset): Change return type to
12287         Elf_Addr.  Use get_output_section_offset.
12288         (Output_reloc::get_address): Likewise.
12289         (Output_section::is_input_address_mapped): Don't call
12290         is_section_specially_mapped.
12291         (Output_section::output_offset): Likewise.
12292         (Output_section::output_address): Likewise.
12293         (Output_section::starting_output_address): Likewise.
12294         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
12295         parameter to Sized_relobj*.
12296         (Copy_relocs::need_copy_reloc): Likewise.
12297         (Copy_relocs::save): Likewise.
12298         * copy-relocs.h (class Copy_relocs): Update declarations.
12299         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
12300         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
12301         * target-reloc.h (relocate_for_relocatable): Change
12302         offset_in_output_section type to Elf_Addr.  Change code that uses
12303         it as well.
12304         * layout.cc (Layout::layout): Always set *off.
12305         * mapfile.cc (Mapfile::print_input_section): Use
12306         output_section_offset.
12307         * i386.cc (Target_i386::copy_reloc): Change object parameter to
12308         Sized_relobj*.
12309         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
12310         * sparc.cc (Target_sparc::copy_reloc): Likewise.
12311         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
12312
12313 2008-07-03  Ian Lance Taylor  <iant@google.com>
12314
12315         * layout.cc (Layout::include_section): Do not discard unrecognized
12316         SHT_STRTAB sections.
12317
12318 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
12319
12320         * script.cc (Lex::can_continue_name): Make '?' allowable in
12321         version-script names.
12322         * testsuite/version_script.map: Change glob pattern to use '?'
12323
12324 2008-06-30  Manish Singh  <yosh@gimp.org>
12325
12326         PR 6585
12327         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
12328         Correct typo.
12329
12330 2008-06-30  Ian Lance Taylor  <iant@google.com>
12331
12332         PR 6660
12333         PR 6682
12334         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
12335         versions]: Don't try to read the value in the contents, since we
12336         don't use it.  Use the template endianness when writing.
12337
12338 2008-06-25  Cary Coutant  <ccoutant@google.com>
12339
12340         * fileread.cc (File_read::make_view): Assert on zero-length view.
12341         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
12342         symbol table when there are no symbols to read.
12343
12344 2008-06-23  Craig Silverstein  <csilvers@google.com>
12345
12346         * version.cc (version_string): Bump to 1.7
12347
12348 2008-06-18  Craig Silverstein  <csilvers@google.com>
12349
12350         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
12351         constant 0xFFFF to type Valtype.
12352         (Powerpc_relocate_functions::rel16_ha): Likewise.
12353
12354 2008-06-17  Ian Lance Taylor  <iant@google.com>
12355
12356         * output.h (Output_section::Input_section): Initialize p2align_ to
12357         zero for Output_section_data constructors.
12358         (Output_section::Input_section::addralign): If not an input
12359         section, return the alignment of the Output_section_data.
12360         * testsuite/copy_test.cc: New file.
12361         * testsuite/copy_test_1.cc: New file.
12362         * testsuite/copy_test_2.cc: New file.
12363         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
12364         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
12365         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
12366         (copy_test_1_pic.o, copy_test_1.so): New targets.
12367         (copy_test_2_pic.o, copy_test_2.so): New targets.
12368         * testsuite/Makefile.in: Rebuild.
12369
12370         * script-sections.cc (Script_sections::place_orphan): Initialize
12371         local variable exact.
12372
12373 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
12374
12375         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
12376
12377 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
12378             David S. Miller  <davem@davemloft.net>
12379
12380         * powerpc.cc: New file.
12381         * Makefile.am (TARGETSOURCES): Add powerpc.cc
12382         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
12383         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
12384         * Makefile.in: Rebuild.
12385
12386 2008-06-09  Ian Lance Taylor  <iant@google.com>
12387
12388         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
12389         <exception>.
12390         (throwing, orig_terminate): New static variables.
12391         (terminate_handler): New static function.
12392         (t2): Set terminate handler.
12393
12394 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
12395
12396         PR 6584
12397         * binary.cc (Binary_to_elf::sized_convert): Fix .data
12398         alignment.
12399
12400 2008-05-30  Cary Coutant  <ccoutant@google.com>
12401
12402         * archive.cc (Archive::include_all_members) Correct to step
12403         over symbol table and extended name table in thin archives.
12404
12405 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
12406
12407         PR 6407
12408         * target-reloc.h (relocate_for_relocatable): Fix new_offset
12409         calculation.
12410
12411 2008-05-28  Caleb Howe  <cshowe@google.com>
12412
12413         * reduced_debug_output.cc: New file.
12414         * reduced_debug_output.h: New file.
12415         * options.h (class General_options): Add --strip-debug-non-line.
12416         * options.cc (General_options::finalize): Add strip_debug_non_line
12417         to the strip heirarchy.
12418         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
12419         fields.
12420         * layout.cc: Include "reduced_debug_output.h".
12421         (Layout::Layout): Initialize new fields.
12422         (line_only_debug_sections): New static array.
12423         (is_lines_only_debug_sections): New static inline function.
12424         (Layout::include_section): Handle --strip-debug-non-line.
12425         (Layout::make_output_section): If --strip-debug-non-line, build
12426         new output sections for .debug_abbrev and .debug_info.
12427         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
12428         gold.  Warn about possible overflow.
12429         (read_signed_LEB_128): Likewise.
12430         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
12431         (read_signed_LEB_128): Declare.
12432         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
12433         (HFILES): Add reduced_debug_output.h.
12434         * Makefile.in: Rebuild.
12435
12436 2008-05-21  Ian Lance Taylor  <iant@google.com>
12437
12438         * mapfile.cc: New file.
12439         * mapfile.h: New file.
12440         * options.h (class General_options): Add -M/--print-map and -Map.
12441         * options.cc (General_options::finalize): Make -M equivalent to
12442         -Map -.
12443         * main.cc: Include <cstdio> and "mapfile.h".
12444         (main): Open mapfile if requested.
12445         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
12446         constructor.  Change caller.
12447         (queue_initial_tasks): Add mapfile parameter.  Change caller.
12448         (queue_middle_tasks): Likewise.
12449         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
12450         declarations.
12451         * archive.cc: Include "mapfile.h".
12452         (Archive::add_symbols): Add mapfile parameter.  Change all
12453         callers.  Pass mapfile, symbol, and reason to include_member.
12454         (Archive::include_all_members): Add mapfile parameter.  Change all
12455         callers.
12456         (Archive::include_member): Add mapfile, sym, and why parameters.
12457         Change all callers.  Report inclusion to map file.
12458         * archive.h: Include "fileread.h".
12459         (class Archive): Update declarations.
12460         (Archive::file): New const method.
12461         (class Add_archive_symbols): Add mapfile_ field.  Update
12462         constructor.  Change all callers.
12463         * readsyms.h (class Read_symbols): Likewise.
12464         (class Finish_group): Likewise.
12465         (class Read_script): Likewise.
12466         * common.cc: Include "mapfile.h".
12467         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
12468         all callers.
12469         (Symbol_table::do_allocate_commons): Likewise.
12470         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
12471         symbol allocation to mapfile.
12472         * common.h (class Allocate_commons_task): Add mapfile_ field.
12473         Update constructor.  Change all callers.
12474         * symtab.h (class Symbol_table): Update declarations.
12475         * layout.cc: Include "mapfile.h".
12476         (Layout_task_runner::run): Print information to mapfile.
12477         (Layout::create_gold_note): Change Output_data_fixed_space to
12478         Output_data_zero_fill.
12479         (Layout::create_build_id): Likewise.
12480         (Layout::print_to_mapfile): New function.
12481         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
12482         constructor.  Change caller.
12483         (class Layout): Declare print_to_mapfile.
12484         * output.cc (Output_section::Input_section::print_to_mapfile): New
12485         function.
12486         (Output_section::add_input_section): If producing a map, always
12487         add to input_sections_ list.
12488         (Output_section::do_print_to_mapfile): New function.
12489         (Output_segment::print_sections_to_mapfile): New function.
12490         (Output_segment::print_section_list_to_mapfile): New function.
12491         * output.h: Include "mapfile.h".
12492         (Output_data::print_to_mapfile): New function.
12493         (Output_data::do_print_to_mapfile): New virtual function.
12494         (Output_segment_headers::do_print_to_mapfile): New function.
12495         (Output_file_header::do_print_to_mapfile): New function.
12496         (Output_data_const::do_print_to_mapfile): New function.
12497         (class Output_data_const_buffer): Add map_name_ field.  Update
12498         constructor.  Change all callers.  Add do_print_to_mapfile
12499         function.
12500         (class Output_data_fixed_space): Likewise.
12501         (class Output_data_space): Likewise.
12502         (class Output_data_zero_fill): New class.
12503         (Output_data_strtab::do_print_to_mapfile): New function.
12504         (Output_data_reloc_base::do_print_to_mapfile): New function.
12505         (Output_relocatable_relocs::do_print_to_mapfile): New function.
12506         (Output_data_group::do_print_to_mapfile): New function.
12507         (Output_data_got::do_print_to_mapfile): New function.
12508         (Output_data_dynamic::do_print_to_mapfile): New function.
12509         (Output_symtab_xindex::do_print_to_mapfile): New function.
12510         (class Output_section): Declare do_print_to_mapflie.  Declare
12511         print_to_mapfile in Input_section.
12512         (class Output_segment): Declare new functions.
12513         * object.h (Sized_relobj::symbol_count): New function.
12514         * script-sections.cc
12515         (Output_section_element_dot_assignment::set_section_addresses):
12516         Change Output_data_fixed_space to Output_data_zero_fill.
12517         (Output_data_expression::do_print_to_mapfile): New function.
12518         * script.cc (read_input_script): Add mapfile parameter.  Change
12519         all callers.
12520         * script.h (read_input_script): Update declaration.
12521         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
12522         (Eh_frame::do_print_to_mapfile): New function.
12523         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
12524         (Output_merge_string::do_print_to_mapfile): New function.
12525         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
12526         function.
12527         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
12528         function.
12529         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
12530         function.
12531         * Makefile.am (CCFILES): Add mapfile.cc.
12532         (HFILES): Add mapfile.h.
12533         * Makefile.in: Rebuild.
12534
12535 2008-05-19  Ian Lance Taylor  <iant@google.com>
12536
12537         * options.h (class General_options): Add -z relro.
12538         * layout.cc (Layout::Layout): Initialize relro_segment_.
12539         (Layout::add_output_section_data): Return the output section.
12540         (Layout::make_output_section): Rcognize relro sections and mark
12541         them appropriately.
12542         (Layout::attach_allocated_section_to_segment): Put relro sections
12543         in a PT_GNU_RELRO segment.
12544         (Layout::create_initial_dynamic_sections): Mark the .dynamic
12545         section as relro.
12546         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
12547         PT_TLS segments.
12548         (Layout::linkonce_mapping): Map d.rel.ro.local to
12549         .data.rel.ro.local.
12550         (Layout::output_section_name): Us .data.rel.ro.local for any
12551         section which begins with that.
12552         * layout.h (class Layout): Update add_output_section_data
12553         declaration.  Add relro_segment_ field.
12554         * output.cc (Output_section::Output_section): Initialize is_relro_
12555         and is_relro_local_ fields.
12556         (Output_segment::add_output_section): Group relro sections.
12557         (Output_segment::is_first_section_relro): New function.
12558         (Output_segment::maximum_alignment): If there is a relro section,
12559         align the segment to the common page size.
12560         (Output_segment::set_section_addresses): Track whether we are
12561         looking at relro sections.  If the last section is a relro
12562         section, align to the common page size.
12563         (Output_segment::set_section_list_addresses): Add in_relro
12564         parameter.  Change all callers.  Align to the page size when
12565         moving from relro to non-relro section.
12566         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
12567         segment.
12568         * output.h (class Output_section): Add is_relro_ and
12569         is_relro_local_ fields.
12570         (Output_section::is_relro): New function.
12571         (Output_section::set_is_relro): New function.
12572         (Output_section::is_relro_local): New function.
12573         (Output_section::set_is_relro_local): New function.
12574         (class Output_segment): Update declarations.
12575         * i386.cc (Target_i386::got_section): Mark .got section as relro.
12576         * sparc.cc (Target_sparc::got_section): Likewise.
12577         * x86_64.cc (Target_x86_64::got_section): Likewise.
12578         * testsuite/relro_test_main.cc: New file.
12579         * testsuite/relro_test.cc: New file.
12580         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
12581         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
12582         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
12583         (relro_test.so, relro_test_pic.o): New targets.
12584         * testsuite/Makefile.in: Rebuild.
12585
12586 2008-05-16  Ian Lance Taylor  <iant@google.com>
12587
12588         * output.cc (Output_segment::add_output_section): Remove front
12589         parameter.
12590         * output.h (class Output_segment): Remove
12591         add_initial_output_section and overloaded add_output_section.
12592         Update declaration of remaining add_output_section.
12593         * layout.cc (Layout::create_interp): Call add_output_section
12594         rather than add_initial_output_section.
12595         (Layout::finish_dynamic_section): Likewise.
12596
12597         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
12598         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
12599         know the dynamic type.
12600         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
12601         field.  Initialize it in constructor.
12602         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
12603         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
12604         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
12605         reloc.
12606
12607         * output.cc (Output_reloc::get_address): Change return type to
12608         Elf_Addr.
12609         * output.h (class Output_reloc): Update get_address declaration.
12610         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
12611         for section addresses.
12612
12613 2008-05-09  Ian Lance Taylor  <iant@google.com>
12614
12615         PR 6493
12616         * gold.cc (gold_nomem): Use return value of write.
12617
12618 2008-05-08  Ian Lance Taylor  <iant@google.com>
12619
12620         * symtab.c (Symbol::init_base_output_data): Add version
12621         parameter.  Change all callers.
12622         (Symbol::init_base_output_segment): Likewise.
12623         (Symbol::init_base_constant): Likewise.
12624         (Symbol::init_base_undefined): Likewise.
12625         (Sized_symbol::init_output_data): Likewise.
12626         (Sized_symbol::init_output_segment): Likewise.
12627         (Sized_symbol::init_constant): Likewise.
12628         (Sized_symbol::init_undefined): Likewise.
12629         (Symbol_table::do_define_in_output_data): If the new symbol has a
12630         version, mark it as the default.
12631         (Symbol_table::do_define_in_output_segment): Likewise.
12632         (Symbol_table::do_define_as_constant): Likewise.
12633         * symtab.h (class Symbol): Update declarations.
12634         (class Sized_symbol): Likewise.
12635         * resolve.cc (Symbol::override_version): New function.
12636         (Symbol::override_base): Call override_version.
12637         (Symbol::override_base_with_special): Likewise.
12638         * testsuite/ver_script_8.script: New file.
12639         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
12640         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
12641         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
12642         (ver_test_8_1.so, ver_test_8_2.so): New targets.
12643
12644 2008-05-06  Ian Lance Taylor  <iant@google.com>
12645
12646         PR 6049
12647         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
12648         functions.
12649         (class General_options): Remove existing --undefined, and add
12650         --no-undefined instead.  Add new --undefined as synonym for -u.
12651         * archive.cc (Archive::add_symbols): Check whether symbol was
12652         named with -u.
12653         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
12654         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
12655         all uses.  Add IS_UNDEFINED.  Update declarations to split
12656         different versions of init_base.  Declare init_base_undefined.
12657         (Symbol::is_defined): Handle IS_UNDEFINED.
12658         (Symbol::is_undefined): Likewise.
12659         (Symbol::is_weak_undefined): Call is_undefined.
12660         (Symbol::is_absolute): Handle IS_CONSTANT.
12661         (class Sized_symbol): Update declarations to split different
12662         versions of init.  Declare init_undefined.
12663         (class Symbol_table): Declare new functions.
12664         * symtab.cc (Symbol::init_base_object): Rename from init_base.
12665         Change all callers.
12666         (Symbol::init_base_output_data): Likewise.
12667         (Symbol::init_base_output_segment): Likewise.
12668         (Symbol::init_base_constant): Likewise.
12669         (Symbol::init_base_undefined): New function.
12670         (Sized_symbol::init_object): Rename from init.  Change all
12671         callers.
12672         (Sized_symbol::init_output_data): Likewise.
12673         (Sized_symbol::init_output_segment): Likewise.
12674         (Sized_symbol::init_constant): Likewise.
12675         (Sized_symbol::init_undefined): New function.
12676         (Symbol_table::add_undefined_symbols_from_command_line): New
12677         function.
12678         (Symbol_table::do_add_undefined_symbols_from_command_line): New
12679         function.
12680         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
12681         (Symbol::output_section): Likewise.
12682         (Symbol::set_output_section): Likewise.
12683         (Symbol_table::sized_finalize_symbol): Likewise.
12684         (Symbol_table::sized_write_globals): Likewise.
12685         * resolve.cc (Symbol_table::should_override): Likewise.
12686         (Symbol::override_base_with_special): Likewise.
12687
12688         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
12689         symbol, change it to have default visibility.
12690         * testsuite/protected_1.cc: New file.
12691         * testsuite/protected_2.cc: New file.
12692         * testsuite/protected_3.cc: New file.
12693         * testsuite/protected_main_1.cc: New file.
12694         * testsuite/protected_main_2.cc: New file.
12695         * testsuite/protected_main_3.cc: New file.
12696         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
12697         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
12698         (protected_1_LDFLAGS, protected_1_LDADD): Define.
12699         (protected_1.so): New target.
12700         (protected_1_pic.o, protected_2_pic.o): New targets.
12701         (protected_3_pic.o): New target.
12702         (check_PROGRAMS): Add protected_2.
12703         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
12704         (protected_2_LDFLAGS, protected_2_LDADD): Define.
12705         * testsuite/Makefile.in: Rebuild.
12706
12707         * options.h (DEFINE_var): Add set_user_set_##varname__.
12708         (DEFINE_bool_alias): New macro.
12709         (class General_options): Define -Bstatic using DEFINE_bool_alias
12710         rather than DEFINE_special.  Add --undefined as an alias for -z
12711         defs.
12712         * options.cc (General_options::parse_Bstatic): Remove.
12713
12714         * options.h (class General_options): Add --fatal-warnings.
12715         * main.cc (main): Implement --fatal-warnings.
12716         * errors.h (Errors::warning_count): New function.
12717
12718         * options.h (class General_options): Add -Bsymbolic-functions.
12719         * symtab.h (Symbol::is_preemptible): Check for
12720         -Bsymbolic-functions.
12721
12722 2008-05-05  Ian Lance Taylor  <iant@google.com>
12723
12724         * options.h (DEFINE_bool): For DASH_Z, create the negative option
12725         as noVARNAME rather than no-VARNAME.
12726         (class General_options): Add option -z combreloc.
12727         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
12728         get_address.
12729         (Output_reloc::sort_before) [SHT_REL]: New function.
12730         (Output_reloc::sort_before) [SHT_RELA]: New function.
12731         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
12732         Sort_relocs_comparison.
12733         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
12734         parameter.  Change all callers.
12735         (Output_data_reloc::Output_data_reloc) [both versions]: Add
12736         sort_relocs parameter.  Change all callers.
12737         * output.cc (Output_reloc::get_address): New function, broken out
12738         of write_rel.
12739         (Output_reloc::write_rel): Call it.
12740         (Output_reloc::compare): New function.
12741         (Output_data_reloc_base::do_write): Optionally sort relocs.
12742
12743         * configure.ac: If targ_extra_obj is set, link it in.
12744         * configure.tgt: Initialize all variables.
12745         (x86_64*): Set targ_extra_obj and targ_extra_size.
12746         * configure: Rebuild.
12747
12748         * object.cc (Sized_relobj::include_section_group): Adjust section
12749         indexes read from group data.  Build vector to pass to
12750         layout_group.
12751         * layout.cc (Layout::layout_group): Add flags and shndxes
12752         parameters.  Remove contents parameter.  Change caller.  Update
12753         explicit instantiations.
12754         * layout.h (class Layout): Update layout_group declaration.
12755         * output.cc (Output_data_group::Output_data_group): Add flags and
12756         input_shndxes parameters.  Remove contents parameter.  Change
12757         caller.
12758         (Output_data_group::do_write): Change input_sections_ to
12759         input_shndxes_.
12760         * output.h (class Output_data_group): Update constructor
12761         declaration.  Rename input_sections_ to input_shndxes_.
12762         * testsuite/many_sections_test.cc: Add template.
12763
12764 2008-04-30  Cary Coutant  <ccoutant@google.com>
12765
12766         * target-reloc.h (relocate_section): Fix dead-pointer bug.
12767
12768         * layout.cc (Layout::include_section): Refactored check for debug
12769         info section.
12770         (Layout::add_comdat): Add new parameters.  Change type
12771         of signature parameter.  Add object and shndx to signatures table.
12772         (Layout::find_kept_object): New function.
12773         * layout.h: Include <cstring>.
12774         (Layout::is_debug_info_section): New function.
12775         (Layout::add_comdat): Add new parameters.
12776         (Layout::find_kept_object): New function.
12777         (Layout::Kept_section): New struct.
12778         (Layout::Signatures): Change type of map range.
12779         * object.cc (Relobj::output_section_address): New function.
12780         (Sized_relobj::include_section_group): Add new parameters.  Change
12781         calls to Layout::add_comdat.  Change to build table of kept comdat
12782         groups and table mapping discarded sections to kept sections.
12783         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
12784         (Sized_relobj::do_layout): Change calls to include_section_group and
12785         include_linkonce_section.
12786         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
12787         value to zero when section is discarded.
12788         (Sized_relobj::map_to_kept_section): New function.
12789         * object.h (Relobj::output_section_address): New function.
12790         (Relobj::Comdat_group): New type.
12791         (Relobj::find_comdat_group): New function.
12792         (Relobj::Comdat_group_table): New type.
12793         (Relobj::Kept_comdat_section): New type.
12794         (Relobj::Kept_comdat_section_table): New type.
12795         (Relobj::add_comdat_group): New function.
12796         (Relobj::set_kept_comdat_section): New function.
12797         (Relobj::get_kept_comdat_section): New function.
12798         (Relobj::comdat_groups_): New field.
12799         (Relobj::kept_comdat_sections_): New field.
12800         (Symbol_value::input_value): Update comment.
12801         (Sized_relobj::map_to_kept_section) New function.
12802         (Sized_relobj::include_linkonce_section): Add new parameter.
12803         * target-reloc.h (Comdat_behavior): New type.
12804         (get_comdat_behavior): New function.
12805         (relocate_section): Add code to map a discarded section to the
12806         corresponding kept section when applying a relocation.
12807
12808 2008-04-30  Craig Silverstein  <csilvers@google.com>
12809
12810         * dwarf_reader.cc (next_generation_count): New static var.
12811         (Addr2line_cache_entry): New struct.
12812         (addr2line_cache): New static var.
12813         (Dwarf_line_info::one_addr2line): Added caching.
12814         (Dwarf_line_info::clear_addr2line_cache): New function.
12815         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
12816         cache-size parameter.
12817         (Dwarf_line_info::one_addr2line_cache): New function.
12818         * symtab.cc (Symbol_table::detect_odr_violations): Pass
12819         new cache-size argument to one_addr2line(), and clear cache.
12820
12821 2008-04-28  Cary Coutant  <ccoutant@google.com>
12822
12823         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
12824         R_386_PC8 relocations.
12825
12826 2008-04-23  Ian Lance Taylor  <iant@google.com>
12827
12828         * object.cc (Sized_relobj::include_section_group): Check for
12829         invalid section group.
12830
12831         * object.cc (make_elf_object): Correct test for 64-bit ELF file
12832         header size.
12833
12834         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
12835         than read for file header.
12836         * archive.cc (Archive::include_member): Likewise.
12837
12838 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
12839
12840         * aclocal.m4: Regenerate.
12841         * configure: Regenerate.
12842
12843 2008-04-19  Ian Lance Taylor  <iant@google.com>
12844
12845         * version.cc (version_string): Bump to 1.6.
12846
12847         * testsuite/Makefile.am (many_sections_r_test): New target.
12848         (many_sections_r_test_SOURCES): Remove.
12849         (many_sections_r_test_DEPENDENCIES): Remove.
12850         (many_sections_r_test_LDFLAGS): Remove.
12851         (many_sections_r_test_LDADD): Remove.
12852
12853         * object.cc (Sized_relobj::do_add_symbols): Always pass
12854         local_symbol_count_ to add_from_relobj.
12855
12856         * testsuite/Makefile.am (many_sections_check.h): Only check one in
12857         every thousand variables.
12858         * testsuite/Makefile.in: Rebuild.
12859
12860         * object.cc (Xindex::initialize_symtab_xindex): New function.
12861         (Xindex::read_symtab_xindex): New function.
12862         (Xindex::sym_xindex_to_shndx): New function.
12863         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
12864         available.
12865         (Sized_relobj::do_initialize_xindex): New function.
12866         (Sized_relobj::do_read_symbols): Adjust section links.
12867         (Sized_relobj::symbol_section_and_value): Add is_ordinary
12868         parameter.  Change all callers.
12869         (Sized_relobj::include_section_group): Adjust section links and
12870         symbol section indexes.
12871         (Sized_relobj::do_layout): Adjust section links.
12872         (Sized_relobj::do_count_local_symbols): Adjust section links and
12873         symbol section indexes.
12874         (Sized_relobj::do_finalize_local_symbols): Distinguish between
12875         ordinary and special symbols.
12876         (Sized_relobj::write_local_symbols): Add symtab_xindex and
12877         dynsym_xindex parameters.  Change all callers.  Adjust section
12878         links.  Use SHN_XINDEX when needed.
12879         (Sized_relobj::get_symbol_location_info): Adjust section links.
12880         Don't get fooled by special symbols.
12881         * object.h (class Xindex): Define.
12882         (class Object): Add xindex_ parameter.  Declare virtual functoin
12883         do_initialize_xindex.
12884         (Object::adjust_sym_shndx): New function.
12885         (Object::set_xindex): New protected function.
12886         (class Symbol_value): Add is_ordinary_shndx_ field.
12887         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
12888         (Symbol_value::value): Assert ordinary section.
12889         (Symbol_value::initialize_input_to_output_map): Likewise.
12890         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
12891         Change all callers.
12892         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
12893         all callers.
12894         (class Sized_relobj): Update declarations.
12895         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
12896         parameter.  Change all callers.
12897         (Sized_relobj::adjust_shndx): New function.
12898         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
12899         field.
12900         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
12901         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
12902         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
12903         (Sized_dynobj::read_dynsym_section): Adjust section links.
12904         (Sized_dynobj::read_dynamic): Likewise.
12905         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
12906         section links.
12907         (Sized_dynobj::do_initialize_xindex): New function.
12908         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
12909         do_initialize_xindex.
12910         (Sized_dynobj::adjust_shndx): New function.
12911         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
12912         dynsym_xindex_ fields.
12913         (Layout::finalize): Add a call to set_section_indexes before
12914         creating the symtab sections.
12915         (Layout::set_section_indexes): Don't do anything if the section
12916         already has a section index.
12917         (Layout::create_symtab_sections): Add shnum parameter.  Change
12918         caller.  Create .symtab_shndx section if needed.
12919         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
12920         caller.
12921         (Layout::allocated_output_section_count): New function.
12922         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
12923         needed.
12924         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
12925         fields.  Update declarations.
12926         (Layout::symtab_xindex): New function.
12927         (Layout::dynsym_xindex): New function.
12928         (class Write_symbols_task): Add layout_ field.
12929         (Write_symbols_task::Write_symbols_task): Add layout parameter.
12930         Change caller.
12931         * output.cc (Output_section_headers::Output_section_headers): Add
12932         shstrtab_section parameter.  Change all callers.
12933         (Output_section_headers::do_sized_write): Store overflow values
12934         for section count and section string table section index in
12935         section header zero.
12936         (Output_file_header::do_sized_write): Check for overflow of
12937         section count and section string table section index.
12938         (Output_symtab_xindex::do_write): New function.
12939         (Output_symtab_xindex::endian_do_write): New function.
12940         * output.h (class Output_section_headers): Add shstrtab_section_.
12941         Update declarations.
12942         (class Output_symtab_xindex): Define.
12943         (Output_section::has_out_shndx): New function.
12944         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
12945         field.
12946         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
12947         Change all callers.
12948         (Sized_symbol::init): Likewise.
12949         (Symbol::output_section): Check for ordinary symbol.
12950         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
12951         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
12952         callers.
12953         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
12954         Change all callers.  Simplify handling of symbols from sections
12955         not included in the link.
12956         (Symbol_table::add_from_dynobj): Handle ordinary symbol
12957         distinction.
12958         (Weak_alias_sorter::operator()): Assert that symbols are
12959         ordinary.
12960         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
12961         distinction.
12962         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
12963         parameters.  Change all callers.
12964         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
12965         symbol distinction.  Use SHN_XINDEX when needed.
12966         (Symbol_table::write_section_symbol): Add symtab_xindex
12967         parameter.  Change all callers.
12968         (Symbol_table::sized_write_section_symbol): Likewise.  Use
12969         SHN_XINDEX when needed.
12970         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
12971         declarations.
12972         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
12973         (Symbol::is_defined): Check is_ordinary.
12974         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
12975         (Symbol::is_absolute, Symbol::is_common): Likewise.
12976         (class Sized_symbol): Update declarations.
12977         (class Symbol_table): Update declarations.
12978         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
12979         parameters.  Change all callers.
12980         (Sized_symbol::override): Likewise.
12981         (Symbol_table::override): Likewise.
12982         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
12983         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
12984         is_ordinary, and orig_st_shndx parameters.  Change all callers.
12985         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
12986         to be in an ordinary section.
12987         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
12988         object and is_ordinary parameters.  Change all callers.
12989         (Sized_dwarf_line_info::read_relocs): Add object parameter.
12990         Change all callers.  Don't add undefined or non-ordinary symbols
12991         to reloc_map_.
12992         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
12993         Change all callers.
12994         * dwarf_reader.h (class Sized_dwarf_line_info): Update
12995         declarations.
12996         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
12997         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
12998         (Sized_relobj::relocate_sections): Likewise.
12999         * target-reloc.h (scan_relocs): Adjust section symbol index.
13000         (scan_relocatable_relocs): Likewise.
13001         * i386.cc (Scan::local): Check for ordinary symbols.
13002         * sparc.cc (Scan::local): Likewise.
13003         * x86_64.cc (Scan::local): Likewise.
13004         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
13005         to symbol_section_and_value.
13006         * testsuite/many_sections_test.cc: New file.
13007         * testsuite/Makefile.am (BUILT_SOURCES): Define.
13008         (check_PROGRAMS): Add many_sections_test.
13009         (many_sections_test_SOURCES): Define.
13010         (many_sections_test_DEPENDENCIES): Define.
13011         (many_sections_test_LDFLAGS): Define.
13012         (BUILT_SOURCES): Add many_sections_define.h.
13013         (many_sections_define.h): New target.
13014         (BUILT_SOURCES): Add many_sections_check.h.
13015         (many_sections_check.h): New target.
13016         (check_PROGRAMS): Add many_sections_r_test.
13017         (many_sections_r_test_SOURCES): Define.
13018         (many_sections_r_test_DEPENDENCIES): Define.
13019         (many_sections_r_test_LDFLAGS): Define.
13020         (many_sections_r_test_LDADD): Define.
13021         (many_sections_r_test.o): New target.
13022         * testsuite/Makefile.in: Rebuild.
13023
13024 2008-04-17  Cary Coutant  <ccoutant@google.com>
13025
13026         * errors.cc (Errors::info): New function.
13027         (gold_info): New function.
13028         * errors.h (Errors::info): New function.
13029         * gold.h (gold_info): New function.
13030         * object.cc (Input_objects::add_object): Print trace output.
13031         * options.cc (options::parse_set): New function.
13032         (General_options::parse_wrap): Deleted.
13033         (General_options::General_options): Deleted initializer.
13034         * options.h (options::String_set): New typedef.
13035         (options::parse_set): New function.
13036         (DEFINE_set): New macro.
13037         (General_options::wrap): Changed to use DEFINE_set. Changed
13038         callers of any_wrap_symbols and is_wrap_symbol.
13039         (General_options::trace, General_options::trace_symbol):
13040         New options.
13041         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
13042         (General_options::wrap_symbols_): Deleted.
13043         * symtab.cc (Symbol_table::add_from_object): Print trace output.
13044
13045 2008-04-17  David S. Miller  <davem@davemloft.net>
13046
13047         * options.cc (General_options::parse_V): New function.
13048         * options.h: Add entries for -V and -Qy.
13049
13050 2008-04-17  Ian Lance Taylor  <iant@google.com>
13051
13052         * common.cc (Symbol_table::allocate_commons): Remove options
13053         parameter.  Change caller.
13054         (Symbol_table::do_allocate_commons): Remove options parameter.
13055         Change caller.  Just call do_allocate_commons_list twice.
13056         (Symbol_table::do_allocate_commons_list): New function, broken out
13057         of do_allocate_commons.
13058         * common.h (class Allocate_commons_task): Remove options_ field.
13059         Update constructor.
13060         * symtab.cc (Symbol_table::Symbol_table): Initialize
13061         tls_commons_.
13062         (Symbol_table::add_from_object): Put TLS common symbols on
13063         tls_commons_ list.
13064         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
13065         which are IN_OUTPUT_DATA.
13066         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
13067         allocate_commons and do_allocate_commons declarations.  Declare
13068         do_allocate_commons_list.
13069         * gold.cc (queue_middle_tasks): Update creation of
13070         Allocate_commons_task to not pass options.
13071         * testsuite/Makefile.am (INCLUDES): Add -I.. .
13072         (TLS_TEST_C_FLAGS): New variable.
13073         (tls_test_c_pic.o): New target.
13074         (tls_test_shared.so): Link in tls_test_c_pic.o.
13075         (tls_test_c_pic_ie.o): New target.
13076         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
13077         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
13078         (tls_test_c.o): New target.
13079         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
13080         (tls_pic_test_LDADD): Likewise.
13081         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
13082         (tls_shared_gd_to_ie_test_LDADD): Likewise.
13083         (tls_test_c_gnu2.o): New target.
13084         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
13085         tls_test_c_gnu2.o.
13086         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
13087         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
13088         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
13089         * testsuite/tls_test.cc: Include "config.h".
13090         (t_last): Call t11_last.
13091         * testsuite/tls_test.h (t11, t11_last): Declare.
13092         * testsuite/tls_test_c.c: New file.
13093         * testsuite/tls_test_main.cc (thread_routine): Call t11.
13094         * configure.ac: Check for OpenMP support.
13095         * configure, config.in, Makefile.in: Rebuild.
13096         * testsuite/Makefile.in: Rebuild.
13097
13098 2008-04-16  Cary Coutant  <ccoutant@google.com>
13099
13100         * i386.cc (Target_i386::define_tls_base_symbol): New function.
13101         (Target_i386::tls_base_symbol_defined_): New field.
13102         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
13103         (Target_i386::Scan::global): Likewise.
13104         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
13105         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
13106         (Target_x86_64::tls_base_symbol_defined_): New field.
13107         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
13108         (Target_x86_64::Scan::global): Likewise.
13109
13110 2008-04-16  Cary Coutant  <ccoutant@google.com>
13111
13112         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
13113         (Symbol::needs_plt_entry): Allow weak undefined symbols.
13114         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
13115         building shared libraries.
13116         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
13117         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
13118         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
13119         * testsuite/Makefile.in: Rebuild.
13120         * testsuite/weak_undef.h: New file.
13121         * testsuite/weak_undef_file1.cc: Add extra test cases.
13122         * testsuite/weak_undef_file2.cc: Likewise.
13123         * testsuite/weak_undef_test.cc: Likewise.
13124
13125 2008-04-16  David S. Miller  <davem@davemloft.net>
13126
13127         * sparc.cc (Target_sparc::Scan): Change from struct to class.
13128         Add issued_non_pic_error_ field.  Declare check_non_pic.
13129         (Target_sparc::Scan::check_non_pic): New function.
13130         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
13131         (Target_sparc::Scan::global): Likewise.
13132
13133         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
13134         * configure: Rebuild.
13135
13136         * options.h (DEFINE_enable): New macro.
13137         (new_dtags): New enable option.
13138         (initfirst, interpose, loadfltr, nodefaultlib,
13139         nodelete, nodlopen, nodump): New -z options.
13140         * layout.cc (Layout:finish_dynamic_section): If new
13141         dtags enabled, emit DT_RUNPATH.  Also, emit a
13142         DT_FLAGS_1 containing any specified -z flags.
13143
13144 2008-04-16  Ian Lance Taylor  <iant@google.com>
13145
13146         * copy-relocs.cc: New file.
13147         * copy-relocs.h: New file.
13148         * reloc.cc: Remove Copy_relocs code.
13149         * reloc.h: Likewise.
13150         * reloc-types.h (struct Reloc_types) [both versions]: Add
13151         get_reloc_addend_noerror.
13152         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
13153         variants of add_global which take an addend which must be zero.
13154         * i386.cc: Include "copy-relocs.h".
13155         (class Target_i386): Change type of copy_relocs_ to variable,
13156         update initializer.
13157         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
13158         Change all callers.
13159         (Target_i386::do_finalize_sections): Change handling of
13160         copy_relocs_.
13161         * sparc.cc: Include "copy-relocs.h".
13162         (class Target_sparc): Change type of copy_relocs_ to variable,
13163         update initializer.
13164         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
13165         Change all callers.
13166         (Target_sparc::do_finalize_sections): Change handling of
13167         copy_relocs_.
13168         * x86_64.cc: Include "copy-relocs.h".
13169         (class Target_x86_64): Change type of copy_relocs_ to variable,
13170         update initializer.
13171         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
13172         class.  Change all callers.
13173         (Target_x86_64::do_finalize_sections): Change handling of
13174         copy_relocs_.
13175         * Makefile.am (CCFILES): Add copy-relocs.cc.
13176         (HFILES): Add copy-relocs.h.
13177
13178         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
13179
13180         * testsuite/script_test_4.sh: Permit leading zeroes.
13181
13182 2008-04-15  Ian Lance Taylor  <iant@google.com>
13183
13184         * script-sections.cc (Script_sections::create_segments): Use
13185         header_size_adjustment even when there is enough room for the
13186         headers.
13187         * testsuite/script_test_4.sh: New file.
13188         * testsuite/script_test_4.t: New file.
13189         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
13190         (check_DATA): Add script_test_4.stdout.
13191         (MOSTLYCLEANFILES): Likewise.
13192         (script_test_4): New target.
13193         (script_test_4.stdout): New target.
13194         * testsuite/Makefile.in: Rebuild.
13195
13196         * sparc.cc: Add definitions for Output_data_plt_sparc class
13197         constants.
13198
13199 2008-04-14  David S. Miller  <davem@davemloft.net>
13200
13201         * sparc.cc: New file.
13202         * Makefile.am (TARGETSOURCES): Add sparc.cc
13203         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
13204         * configure.tgt: Document targ_extra_size and
13205         targ_extra_big_endian.  Add entries for sparc-* and
13206         sparc64-*.
13207         * configure.ac: Handle targ_extra_size and
13208         targ_extra_big_endian.
13209         * Makefile.in: Rebuild.
13210         * configure: Likewise.
13211         * po/POTFILES.in: Likewise.
13212         * po/gold.pot: Likewise.
13213
13214 2008-04-14  Ian Lance Taylor  <iant@google.com>
13215
13216         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
13217         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
13218         in the name/type/flags to section mapping.  Don't call
13219         allocate_output_section.
13220         (Layout::choose_output_section): Change parameter from adjust_name
13221         to is_input_section.  Don't permit input sections after sections
13222         are attached to segments.  Don't call allocate_output_section.
13223         (Layout::layout_eh_frame): Call update_flags_for_input_section,
13224         not write_enable_output_section.
13225         (Layout::make_output_section): Don't push to
13226         unattached_section_list_ nor call attach_to_segment.  Call
13227         attach_section_to_segment if sections are attached.
13228         (Layout::attach_sections_to_segments): New function.
13229         (Layout::attach_section_to_segment): New function.
13230         (Layout::attach_allocated_section_to_segment): Rename from
13231         attach_to_segment.  Remove flags parameter.
13232         (Layout::allocate_output_section): Remove function.
13233         (Layout::write_enable_output_section): Remove function.
13234         * layout.h (class Layout): Update for above changes.  Add new
13235         field sections_are_attached_.
13236         * output.h (Output_section::update_flags_for_input_section): New
13237         function.
13238         * output.cc (Output_section::add_input_section): Call
13239         update_flags_for_input_section.
13240         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
13241
13242 2008-04-11  Cary Coutant  <ccoutant@google.com>
13243
13244         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
13245         thought unnecessary.
13246         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
13247
13248 2008-04-11  Ian Lance Taylor  <iant@google.com>
13249
13250         * output.h (class Output_section_data): Remove inline definition
13251         of set_addralign.
13252         * output.cc (Output_section_data::set_addralign): New function.
13253
13254 2008-04-11  Cary Coutant  <ccoutant@google.com>
13255
13256         Add support for TLS descriptors for i386 and x86_64.
13257         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
13258         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
13259         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
13260         GOT_TYPE_TLS_DESC.
13261         (Target_i386::got_mod_index_entry): Remove unnecessary code.
13262         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
13263         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
13264         relocations.
13265         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
13266         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
13267         Fix problem with initial-exec relocations.
13268         (Target_i386::Relocate::relocate_tls): Likewise.
13269         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
13270         relaxation.
13271         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
13272         support for section-plus-offset dynamic table entries.
13273         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
13274         (Output_data_dynamic::Dynamic_entry): Add support for
13275         section-plus-offset dynamic table entries.
13276         (Output_data_dynamic::Classification): Likewise.
13277         (Output_data_dynamic::classification_): Renamed offset_.
13278         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
13279         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
13280         (Target_x86_64::make_plt_section): New function.
13281         (Target_x86_64::reserve_tlsdesc_entries): New function.
13282         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
13283         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
13284         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
13285         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
13286         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
13287         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
13288         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
13289         add extra PLT entry for TLS descriptors.
13290         (Output_data_plt_x86_64::got_): New field.
13291         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
13292         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
13293         fields.
13294         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
13295         descriptors.
13296         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
13297         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
13298         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
13299         R_386_TLS_DESC_CALL relocations.
13300         (Target_x86_64::Scan::global): Likewise.
13301         (Target_x86_64::do_finalize_sections): Add dynamic table entries
13302         for TLS descriptors.
13303         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
13304         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
13305         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
13306         GD-to-IE relaxation.
13307         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
13308         and TLS_DESCRIPTORS.
13309         * Makefile.in: Rebuild.
13310         * configure: Rebuild.
13311         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
13312         (tls_test_shared2.so): New target.
13313         (tls_shared_gd_to_ie_test_SOURCES): New variable.
13314         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
13315         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
13316         (tls_shared_gd_to_ie_test_LDADD): New variable.
13317         (tls_shared_gnu2_gd_to_ie_test): New target.
13318         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
13319         New targets.
13320         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
13321         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
13322         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
13323         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
13324         (tls_shared_gnu2_test): New target.
13325         (tls_test_gnu2_shared.so): New target.
13326         (tls_shared_gnu2_test_SOURCES): New variable.
13327         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
13328         (tls_shared_gnu2_test_LDFLAGS): New variable.
13329         (tls_shared_gnu2_test_LDADD): New variable.
13330         * testsuite/Makefile.in: Rebuild.
13331         * testsuite/Makefile.
13332
13333 2008-04-11  Ian Lance Taylor  <iant@google.com>
13334
13335         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
13336         justsyms.t.
13337         * testsuite/Makefile.in: Rebuild.
13338
13339         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
13340         long.
13341         * testsuite/script_test_2.cc (main): Adjust test.
13342
13343 2008-04-11  David S. Miller  <davem@davemloft.net>
13344             Ian Lance Taylor  <iant@google.com>
13345
13346         * options.h (General_options): Add entries for '-Y' and
13347         '-relax'.
13348         * options.cc (General_options:finalize): If -Y was used, add those
13349         entries to the library path instead of the default "/lib" and
13350         "/usr/lib".
13351
13352 2008-04-11  David S. Miller  <davem@davemloft.net>
13353
13354         * testsuite/justsyms.t: Start at 0x100.
13355         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
13356         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
13357         long.
13358         * testsuite/script_test_2.cc: Adjust string and section length
13359         checks.
13360
13361 2008-04-09  Ian Lance Taylor  <iant@google.com>
13362
13363         PR gold/5996
13364         * script-sections.cc (Sections_element::allocate_to_segment): Add
13365         orphan parameter.
13366         (Output_section_definition::allocate_to_segment): Likewise.
13367         (Orphan_output_section::allocate_to_segment): Likewise.
13368         (Script_sections::attach_sections_using_phdrs_clause): Don't
13369         propagate non-PT_LOAD segments to orphan sections.
13370         * testsuite/Makefile.am (script_test_3.stdout): Generate using
13371         readelf rather than objdump.
13372         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
13373         .interp section and PT_INTERP segment are the same size.
13374         * testsuite/Makefile.in: Rebuild.
13375
13376         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
13377         aliases for symbols defined in the same object.
13378         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
13379         (weak_alias_test_SOURCES): New variable.
13380         (weak_alias_test_DEPENDENCIES): New variable.
13381         (weak_alias_test_LDFLAGS): New variable.
13382         (weak_alias_test_LDADD): New variable.
13383         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
13384         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
13385         (weak_alias_test_3.o): New target.
13386         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
13387         * testsuite/weak_alias_test_main.cc: New file.
13388         * testsuite/weak_alias_test_1.cc: New file.
13389         * testsuite/weak_alias_test_2.cc: New file.
13390         * testsuite/weak_alias_test_3.cc: New file.
13391
13392 2008-04-08  Ian Lance Taylor  <iant@google.com>
13393
13394         * options.h (class General_options): Add --noinhibit-exec option.
13395         * main.cc (main): Check --noinhibit-exec.
13396
13397         * options.h (class General_options): Define --wrap as a special
13398         option.  Add wrap_symbols_ field.
13399         (General_options::any_wrap_symbols): New function.
13400         (General_options::is_wrap_symbol): New function.
13401         * options.cc (General_options::parse_wrap): New function.
13402         (General_options::General_options): Initialize wrap_symbols_.
13403         * symtab.cc (Symbol_table::wrap_symbol): New function.
13404         (Symbol_table::add_from_object): Handle --wrap.
13405         * symtab.h (class Symbol_table): Declare wrap_symbol.
13406         * target.h (Target::wrap_char): New function.
13407         (Target::Target_info): Add wrap_char field.
13408         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
13409         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
13410         * testsuite/testfile.cc (Target_test::test_target_info):
13411         Likewise.
13412
13413         * errors.cc (Errors::undefined_symbol): Mention symbol version if
13414         there is one.
13415
13416         * layout.h (class Layout): Add added_eh_frame_data_ field.
13417         * layout.cc (Layout::Layout): Initialize new field.
13418         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
13419         output section until we find a section we merged successfully.
13420         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
13421         that the size be non-zero.
13422
13423         * merge.cc (Object_merge_map::get_output_offset): Remove inline
13424         qualifier.
13425
13426 2008-04-08  Craig Silverstein  <csilvers@google.com>
13427
13428         * configure.ac: Export new conditional variable HAVE_ZLIB.
13429         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
13430         on HAVE_ZLIB.
13431         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
13432         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
13433
13434 2008-04-07  Ian Lance Taylor  <iant@google.com>
13435
13436         * version.cc (version_string): Set to "1.5".
13437
13438         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
13439         Add issued_non_pic_error_ field.  Declare check_non_pic.
13440         (Target_x86_64::Scan::check_non_pic): New function.
13441         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
13442         (Target_x86_64::Scan::global): Likewise.
13443
13444         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
13445         addend parameter.  Change caller.  Handle merge sections.
13446         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
13447         Address to Addend.  Don't add in the result of
13448         local_section_offset, pass down the addend and use the returned
13449         value.
13450         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
13451         Update declarations of local_section_offset and symbol_value.
13452         * testsuite/two_file_test_1.cc (t18): New function.
13453         * testsuite/two_file_test_2.cc (f18): New function.
13454         * testsuite/two_file_test_main.cc (main): Call t18.
13455         * testsuite/two_file_test.h (t18, f18): Declare.
13456
13457         * configure.ac: Don't test for objdump, c++filt, or readelf.
13458         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
13459         conditionals.
13460         (TEST_READELF): New variable.
13461         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
13462         (check_PROGRAMS): Add two_file_strip_test.
13463         (two_file_strip_test): New target.
13464         (check_PROGRAMS): Add two_file_same_shared_strip_test.
13465         (two_file_same_shared_strip_test_SOURCES): New variable.
13466         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
13467         (two_file_same_shared_strip_test_LDFLAGS): New variable.
13468         (two_file_same_shared_strip_test_LDADD): New variable.
13469         (two_file_shared_strip.so): New target.
13470         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
13471         (ver_test_5.syms, ver_test_7.syms): Likewise.
13472         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
13473         (strip_test_3.stdout): Use TEST_OBJDUMP.
13474         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
13475
13476 2008-04-04  Cary Coutant  <ccoutant@google.com>
13477
13478         * symtab.h (Symbol::is_weak_undefined): New function.
13479         (Symbol::is_strong_undefined): New function.
13480         (Symbol::is_absolute): New function.
13481         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
13482         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
13483         absolute symbols.
13484         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
13485         (weak_undef_test): New target.
13486         * testsuite/Makefile.in: Rebuild.
13487         * testsuite/weak_undef_file1.cc: New file.
13488         * testsuite/weak_undef_file2.cc: New file.
13489         * testsuite/weak_undef_test.cc: New file.
13490
13491 2008-04-03  Craig Silverstein  <csilvers@google.com>
13492
13493         * compressed_output.h (class Output_compressed_section): Use
13494         unsigned buffer.
13495         * compressed_output.cc (zlib_compress): Use unsigned buffers,
13496         add zlib header.
13497         (zlib_compressed_suffix): Removed.
13498         (Output_compressed_section::set_final_data_size): Use unsigned
13499         buffers.
13500         * testsuite/Makefile.am (flagstest_compress_debug_sections):
13501         Fix linker invocation.
13502         (flagstest_o_specialfile_and_compress_debug_sections):
13503         Likewise.
13504         * testsuite/Makefile.in: Regenerated.
13505
13506 2008-04-02  David S. Miller  <davem@davemloft.net>
13507
13508         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
13509         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
13510
13511 2008-04-02  Craig Silverstein  <csilvers@google.com>
13512
13513         * TODO: New file.
13514
13515 2008-04-02  Ian Lance Taylor  <iant@google.com>
13516
13517         * fileread.cc (File_read::find_view): Add byteshift and vshifted
13518         parameters.  Update for new key type to views_.  Change all
13519         callers.
13520         (File_read::read): Adjust for byteshift in returned view.
13521         (File_read::add_view): New function, broken out of
13522         find_and_make_view.
13523         (File_read::make_view): New function, broken out of
13524         find_and_make_view.
13525         (File_read::find_or_make_view): Add offset and aligned
13526         parameters.  Rewrite accordingly.  Change all callers.
13527         (File_read::get_view): Add offset and aligned parameters.  Adjust
13528         for byteshift in return value.
13529         (File_read::get_lasting_view): Likewise.
13530         * fileread.h (class File_read): Update declarations.
13531         (class File_read::View): Add byteshift_ field.  Add byteshift to
13532         constructor.  Add byteshift method.
13533         * archive.h (Archive::clear_uncached_views): New function.
13534         (Archive::get_view): Add aligned parameter.  Change all callers.
13535         * object.h (Object::get_view): Add aligned parameter.  Change all
13536         callers.
13537         (Object::get_lasting_view): Likewise.
13538
13539         * fileread.cc (File_read::release): Don't call clear_views if
13540         there are multiple objects.
13541         * fileread.h (File_read::clear_uncached_views): New function.
13542         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
13543         on the archive.
13544
13545 2008-03-31  Cary Coutant  <ccoutant@google.com>
13546
13547         Add thin archive support.
13548         * archive.cc (Archive::armagt): New const.
13549         (Archive::setup): Remove task parameter and calls to unlock.
13550         (Archive::unlock_nested_archives): New function.
13551         (Archive::read_header): Add nested_off parameter. Change
13552         all callers.
13553         (Archive::interpret_header): Likewise.
13554         (Archive::include_all_members): Change to handle thin
13555         archives.
13556         (Archive::include_member): Likewise.
13557         * archive.h (Archive::Archive): Add new parameters and
13558         initializers.
13559         (Archive::armagt): New const.
13560         (Archive::setup): Remove task parameter.
13561         (Archive::unlock_nested_archives): New function.
13562         (Archive::read_header): Add nested_off parameter.
13563         (Archive::interpret_header): Likewise.
13564         (Archive::Nested_archive_table): New typedef.
13565         (Archive::is_thin_archive_): New field.
13566         (Archive::nested_archives_): New field.
13567         (Archive::options_): New field.
13568         (Archive::dirpath_): New field.
13569         (Archive::task_): New field.
13570         * readsyms.cc (Read_symbols::do_read_symbols): Add check
13571         for thin archives.  Pass additional parameters to
13572         Archive::Archive.  Unlock the archive file after calling
13573         Archive::setup.
13574
13575 2008-03-29  Ian Lance Taylor  <iant@google.com>
13576
13577         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
13578         version symbol to be local.
13579         * testsuite/ver_test_4.sh: New file.
13580         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
13581         (check_DATA): Add ver_test_4.syms.
13582         (ver_test_4.syms): New target.
13583         * testsuite/Makefile.in: Rebuild.
13584
13585         * output.cc
13586         (Output_section::Input_section_sort_entry::has_priority): New
13587         function.
13588         (Output_section::Input_section_sort_entry::match_file_name): New
13589         function.
13590         (Output_section::Input_section_sort_entry::match_section_name):
13591         Remove.
13592         (Output_section::Input_section_sort_entry::match_section_name_prefix):
13593         Remove.
13594         (Output_section::Input_section_sort_entry::match_section_file):
13595         Remove.
13596         (Output_section::Input_section_sort_compare::operator()): Rewrite
13597         using new Input_section_sort_entry functions.  Sort crtbegin and
13598         crtend first.  Sort sections with no priority before sections with
13599         a priority.
13600         * testsuite/initpri1.c (d3): Check j != 4.
13601         (cd5): New constructor/destructor function.
13602         (main): Check j != 2.
13603
13604         * symtab.cc (Symbol_table::add_from_object): If we don't use the
13605         new symbol when resolving, don't call set_is_default.
13606         * testsuite/ver_test_7.cc: New file.
13607         * testsuite/ver_test_7.sh: New file.
13608         * testsuite/Makefile.am (ver_test_7.so): New target.
13609         (ver_test_7.o): New target.
13610         (check_SCRIPTS): Add ver_test_7.sh.
13611         (check_DATA): Add ver_test_7.syms.
13612         (ver_test_7.syms): New target.
13613
13614 2008-03-28  Ian Lance Taylor  <iant@google.com>
13615
13616         * layout.cc (Layout::layout): If we see an input section with a
13617         name that needs sorting, set the must_sort flag for the output
13618         section.
13619         (Layout::make_output_section): If the name of the output section
13620         indicates that it might require sorting, set the may_sort flag.
13621         * output.h (Output_section::may_sort_attached_input_sections): New
13622         function.
13623         (Output_section::set_may_sort_attached_input_sections): New
13624         function.
13625         (Output_section::must_sort_attached_input_sections): New
13626         function.
13627         (Output_section::set_must_sort_attached_input_sections): New
13628         function.
13629         (class Output_section): Declare Input_section_sort_entry.  Define
13630         Input_section_sort_compare.  Declare
13631         sort_attached_input_sections.  Add new fields:
13632         may_sort_attached_input_sections_,
13633         must_sort_attached_input_sections_,
13634         attached_input_sections_are_sorted_.
13635         * output.cc (Output_section::Output_section): Initialize new
13636         fields.
13637         (Output_section::add_input_section): Add an entry to
13638         input_sections_ if may_sort or must_sort are true.
13639         (Output_section::set_final_data_size): Call
13640         sort_attached_input_sections if necessary.
13641         (Output_section::Input_section_sort_entry): Define new class.
13642         (Output_section::Input_section_sort_compare::operator()): New
13643         function.
13644         (Output_section::sort_attached_input_sections): New function.
13645         * configure.ac: Check whether the compiler supports constructor
13646         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
13647         * testsuite/initpri1.c: New file.
13648         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
13649         CONSTRUCTOR_PRIORITY.
13650         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
13651         (initpri1_LDFLAGS): New variable.
13652         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
13653
13654 2008-03-27  Ian Lance Taylor  <iant@google.com>
13655
13656         * common.cc (Sort_commons::operator): Correct sorting algorithm.
13657         * testsuite/common_test_1.c: New file.
13658         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
13659         (common_test_1_SOURCES): New variable.
13660         (common_test_1_DEPENDENCIES): New variable.
13661         (common_test_1_LDFLAGS): New variable.
13662
13663         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
13664         and commons_ correctly when NAME/VERSION does not override
13665         NAME/NULL.
13666         * testsuite/ver_test_6.c: New file.
13667         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
13668         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
13669         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
13670
13671 2008-03-26  Ian Lance Taylor  <iant@google.com>
13672
13673         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
13674         of an undefined symbol from a version script.
13675         * testsuite/Makefile.am (ver_test_5.so): New target.
13676         (ver_test_5.o): New target.
13677         (check_SCRIPTS): Add ver_test_5.sh.
13678         (check_DATA): Add ver_test_5.syms.
13679         (ver_test_5.syms): New target.
13680         * testsuite/ver_test_5.cc: New file.
13681         * testsuite/ver_test_5.script: New file.
13682         * testsuite/ver_test_5.sh: New file.
13683         * Makefile.in, testsuite/Makefile.in: Rebuild.
13684
13685         PR gold/5986
13686         Fix problems building gold with gcc 4.3.0.
13687         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
13688         (gold_error_at_location, gold_warning_at_location): Use it.
13689         * configure.ac: Check whether we can compile and use a template
13690         function with a printf attribute.
13691         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
13692         when jumping over bytes.
13693         * object.cc: Instantiate Object::read_section_data.
13694         * debug.h: Include <cstring>
13695         * dwarf_reader.cc: Include <algorithm>
13696         * main.cc: Include <cstring>.
13697         * options.cc: Include <cstring>.
13698         * output.cc: Include <cstring>.
13699         * script.cc: Include <cstring>.
13700         * script.h: Include <string>.
13701         * symtab.cc: Include <cstring> and <algorithm>.
13702         * target-select.cc: Include <cstring>.
13703         * version.cc: Include <string>.
13704         * testsuite/testmain.cc: Include <cstdlib>.
13705         * configure, config.in: Rebuild.
13706
13707 2008-03-25  Ian Lance Taylor  <iant@google.com>
13708
13709         * options.cc: Include "../bfd/bfdver.h".
13710         (options::help): Print bug reporting address.
13711
13712         * version.cc (print_version): Adjust output for current value of
13713         BFD_VERSION_STRING.
13714
13715         * NEWS: New file.
13716
13717         * options.cc (options::help): Print list of supported targets.
13718         * target-select.h: Include <vector>.
13719         (class Target_selector): Make machine_, size_, and is_big_endian_
13720         fields const.  Add bfd_name_ and instantiated_target_ fields.
13721         (Target_selector::Target_selector): Add bfd_name parameter.
13722         (Target_selector::recognize): Make non-virtual, call
13723         do_recognize.
13724         (Target_selector::recognize_by_name): Make non-virtual, call
13725         do_recognize_by_name.
13726         (Target_selector::supported_names): New function.
13727         (Target_selector::bfd_name): New function.
13728         (Target_selector::do_instantiate_target): New pure virtual
13729         function.
13730         (Target_selector::do_recognize): New virtual function.
13731         (Target_selector::do_recognize_by_name): New virtual function.
13732         (Target_selector::instantiate_target): New private function.
13733         (supported_target_names): Declare.
13734         * target-select.cc (Target_selector::Target_selector): Update for
13735         new parameter and fields.
13736         (select_target_by_name): Check that the name matches before
13737         calling recognize_by_name.
13738         (supported_target_names): New function.
13739         * i386.cc (class Target_selector_i386): Update Target_selector
13740         constructor call.  Remove recognize and recognize_by_name.  Add
13741         do_instantiate_target.
13742         * x86_64.cc (class Target_selector_x86_64): Likewise.
13743         * testsuite/testfile.cc (class Target_selector_test): Update for
13744         changes to Target_selector.
13745
13746         * README: Rewrite, with some notes on unsupported features.
13747
13748 2008-03-24  Cary Coutant  <ccoutant@google.com>
13749
13750         * i386.cc (Target_i386::Got_type): New enum declaration.
13751         (Target_i386::Scan::local): Updated callers of Output_data_got
13752         member functions.
13753         (Target_i386::Scan::global): Likewise.
13754         (Target_i386::Relocate::relocate): Likewise.
13755         (Target_i386::Relocate::relocate_tls): Likewise.
13756         * object.h (Got_offset_list): New class.
13757         (Sized_relobj::local_has_got_offset): Added got_type parameter.
13758         (Sized_relobj::local_got_offset): Likewise.
13759         (Sized_relobj::set_local_got_offset): Likewise.
13760         (Sized_relobj::local_has_tls_got_offset): Removed.
13761         (Sized_relobj::local_tls_got_offset): Removed.
13762         (Sized_relobj::set_local_tls_got_offset): Removed.
13763         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
13764         * output.cc (Output_data_got::add_global): Added got_type parameter.
13765         (Output_data_got::add_global_with_rel): Likewise.
13766         (Output_data_got::add_global_with_rela): Likewise.
13767         (Output_data_got::add_global_pair_with_rel): New function.
13768         (Output_data_got::add_global_pair_with_rela): New function.
13769         (Output_data_got::add_local): Added got_type parameter.
13770         (Output_data_got::add_local_with_rel): Likewise.
13771         (Output_data_got::add_local_with_rela): Likewise.
13772         (Output_data_got::add_local_pair_with_rel): New function.
13773         (Output_data_got::add_local_pair_with_rela): New function.
13774         (Output_data_got::add_global_tls): Removed.
13775         (Output_data_got::add_global_tls_with_rel): Removed.
13776         (Output_data_got::add_global_tls_with_rela): Removed.
13777         (Output_data_got::add_local_tls): Removed.
13778         (Output_data_got::add_local_tls_with_rel): Removed.
13779         (Output_data_got::add_local_tls_with_rela): Removed.
13780         * output.h (Output_data_got::add_global): Added got_type parameter.
13781         (Output_data_got::add_global_with_rel): Likewise.
13782         (Output_data_got::add_global_with_rela): Likewise.
13783         (Output_data_got::add_global_pair_with_rel): New function.
13784         (Output_data_got::add_global_pair_with_rela): New function.
13785         (Output_data_got::add_local): Added got_type parameter.
13786         (Output_data_got::add_local_with_rel): Likewise.
13787         (Output_data_got::add_local_with_rela): Likewise.
13788         (Output_data_got::add_local_pair_with_rel): New function.
13789         (Output_data_got::add_local_pair_with_rela): New function.
13790         (Output_data_got::add_global_tls): Removed.
13791         (Output_data_got::add_global_tls_with_rel): Removed.
13792         (Output_data_got::add_global_tls_with_rela): Removed.
13793         (Output_data_got::add_local_tls): Removed.
13794         (Output_data_got::add_local_tls_with_rel): Removed.
13795         (Output_data_got::add_local_tls_with_rela): Removed.
13796         * resolve.cc (Symbol::override_base_with_special): Removed
13797         reference to has_got_offset_ field.
13798         * symtab.cc (Symbol::init_fields): Replaced initialization
13799         of got_offset_ with got_offsets_.  Removed initialization
13800         of has_got_offset_
13801         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
13802         (Symbol::got_offset): Likewise.
13803         (Symbol::set_got_offset): Likewise.
13804         (Symbol::has_tls_got_offset): Removed.
13805         (Symbol::tls_got_offset): Removed.
13806         (Symbol::set_tls_got_offset): Removed.
13807         (Symbol::got_offset_): Removed.
13808         (Symbol::tls_mod_got_offset_): Removed.
13809         (Symbol::tls_pair_got_offset_): Removed.
13810         (Symbol::got_offsets_): New field.
13811         (Symbol::has_got_offset): Removed.
13812         (Symbol::has_tls_mod_got_offset): Removed.
13813         (Symbol::has_tls_pair_got_offset): Removed.
13814         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
13815         (Target_x86_64::Scan::local): Updated callers of Output_data_got
13816         member functions.
13817         (Target_x86_64::Scan::global): Likewise.
13818         (Target_x86_64::Relocate::relocate): Likewise.
13819         (Target_x86_64::Relocate::relocate_tls): Likewise.
13820
13821 2008-03-25  Ben Elliston  <bje@au.ibm.com>
13822
13823         * yyscript.y: Fix spelling error in comment.
13824
13825 2008-03-24  Ian Lance Taylor  <iant@google.com>
13826
13827         * options.h (class General_options): Define build_id option.
13828         * layout.h (class Layout): Declare write_build_id, create_note,
13829         create_build_id.  Add build_id_note_ member.
13830         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
13831         "libiberty.h", "md5.h", "sha1.h".
13832         (Layout::Layout): Initialize eh_frame_data_,
13833         eh_frame_hdr_section_, and build_id_note_.
13834         (Layout::finalize): Call create_build_id.
13835         (Layout::create_note): New function, broken out of
13836         Layout::create_gold_note.
13837         (Layout::create_gold_note): Call create_note.
13838         (Layout::create_build_id): New function.
13839         (Layout::write_build_id): New function.
13840         (Close_task_runner::run): Call write_build_id.
13841
13842         * x86_64.cc: Correct license to GPLv3.
13843
13844 2008-03-23  Ian Lance Taylor  <iant@google.com>
13845
13846         * options.cc: Include "demangle.h".
13847         (parse_optional_string): New function.
13848         (parse_long_option): Handle takes_optional_argument.
13849         (parse_short_option): Update dash_z initializer.  Handle
13850         takes_optional_argument.
13851         (General_options::General_options): Initialize do_demangle_.
13852         (General_options::finalize): Set do_demangle_.  Handle demangling
13853         style.
13854         * options.h (parse_optional_string): Declare.
13855         (struct One_option): Add optional_arg field.  Update constructor.
13856         Update call constructor calls.  Add takes_optional_argument
13857         function.
13858         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
13859         (DEFINE_optional_string): Define.
13860         (General_options::demangle): Change from DEFINE_bool to
13861         DEFINE_optional_string.
13862         (General_options::no_demangle): New function.
13863         (General_options::do_demangle): New function.
13864         (General_options::set_do_demangle): New function.
13865         (General_options::execstack_status_): Move definition to end of
13866         class definition.
13867         (General_options::static_): Likewise.
13868         (General_options::do_demangle_): New field.
13869         * object.cc (big_endian>::get_symbol_location_info): Call
13870         Options::do_demangle, not Options::demangle.
13871         * symtab.cc (demangle): Likewise.
13872
13873 2008-03-22  Ian Lance Taylor  <iant@google.com>
13874
13875         * gold.h: Include <cstddef> and <sys/types.h>
13876         * options.h: Include <cstring>.
13877
13878 2008-03-21  Ian Lance Taylor  <iant@google.com>
13879
13880         * Added source code to GNU binutils.