* layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
[external/binutils.git] / gold / ChangeLog
1 2008-12-05  Cary Coutant  <ccoutant@google.com>
2
3         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
4         Handle --strip-lto-sections option.
5         * options.h (strip_lto_sections): New option.
6
7 2008-12-01  Cary Coutant  <ccoutant@google.com>
8
9         * plugin.cc (ld_plugin_message): Change format parameter to const.
10         Fix mismatch between new[] and delete.
11
12 2008-11-14  Cary Coutant  <ccoutant@google.com>
13
14         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
15         instead of -1U.
16
17 2008-11-05  Craig Silverstein  <csilvers@google.com>
18
19         * options.cc (General_options::parse_dynamic_list): New function.
20         * options.h (General_options): New flags dynamic_list,
21         dynamic_list_data, dynamic_list_cpp_new, and
22         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
23         (General_options::in_dynamic_list): New function.
24         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
25         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
26         (Lex::can_continue_name): Likewise.
27         (yylex): Likewise.
28         (read_script_file): New parameter script_options.
29         (read_dynamic_list): New function.
30         (Script_options::define_dynamic_list): New function.
31         (dynamic_list_keyword_parsecodes): New variable.
32         (dynamic_list_keywords): New variable.
33         * script.h (Script_options::define_dynamic_list): New function
34         prototype.
35         (read_dynamic_list): New function prototype.
36         * symtab.cc (strprefix): New macro.
37         (Symbol::should_add_dynsym_entry): Support dynamic_list,
38         dynamic_list_data, dynamic_list_cpp_new, and
39         dynamic_list_cpp_typeinfo.
40         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
41         (dynamic_list_expr): New rule.
42         (dynamic_list_nodes): Likewise.
43         (dynamic_list_node): Likewise.
44         * testsuite/Makefile.am (dynamic_list): New test.
45         * testsuite/Makefile.in: Regenerated.
46         * testsuite/dynamic_list.t: New file.
47         * testsuite/dynamic_list.sh: New file.
48
49 2008-11-05  Craig Silverstein  <csilvers@google.com>
50
51         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
52         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
53         (t11_last): Likewise.
54         * testsuite/ver_test_6.c (main): Likewise.
55
56 2008-10-07  Cary Coutant  <ccoutant@google.com>
57
58         * options.c (General_options::finalize): Add check for -static and
59         -shared.
60         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
61         is not empty.
62
63 2008-10-02  Cary Coutant  <ccoutant@google.com>
64
65         * plugin.cc (make_sized_plugin_object): Fix conditional
66         compilation to work when not all targets are enabled.
67
68 2008-09-29  Cary Coutant  <ccoutant@google.com>
69
70         * archive.cc (Archive::get_file_and_offset): Use filename instead
71         of name to get library path.
72         (Archive::include_member): Unlock external member of a thin archive.
73
74         * testsuite/Makefile.am (TEST_AR): New variable.
75         (thin_archive_test_1): New test.
76         (thin_archive_test_2): New test.
77         * testsuite/Makefile.in: Regenerate.
78         * testsuite/thin_archive_main.cc: New file.
79         * testsuite/thin_archive_test_1.cc: New file.
80         * testsuite/thin_archive_test_2.cc: New file.
81         * testsuite/thin_archive_test_3.cc: New file.
82         * testsuite/thin_archive_test_4.cc: New file.
83
84 2008-09-29  Cary Coutant  <ccoutant@google.com>
85
86         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
87         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
88         instead of -1U.
89         (Sized_relobj::do_finalize_local_symbols): Likewise.
90         (Sized_relobj::map_to_kept_section): Likewise.
91         * object.h (Sized_relobj::invalid_address): New constant.
92         (Sized_relobj::do_output_section_offset): Check for invalid_address
93         and return -1ULL.
94         * output.cc (Output_reloc::local_section_offset): Use constant
95         invalid_address instead of -1U.
96         (Output_reloc::get_address): Likewise.
97         (Output_section::output_address): Change -1U to -1ULL.
98         * output.h (Output_reloc::invalid_address): New constant.
99         * reloc.cc (Sized_relobj::write_sections): Use constant
100         invalid_address instead of -1U.
101         (Sized_relobj::relocate_sections): Likewise.
102         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
103         values for merge sections.
104         * target-reloc.h (relocate_for_relocatable): Use constant
105         invalid_address instead of -1U.
106
107 2008-09-19  Cary Coutant  <ccoutant@google.com>
108
109         Add plugin functionality for link-time optimization (LTO).
110         * configure.ac (plugins): Add --enable-plugins option.
111         * configure: Regenerate.
112         * config.in: Regenerate.
113         * Makefile.am (LIBDL): New variable.
114         (CCFILES): Add plugin.cc.
115         (HFILES): Add plugin.h.
116         (ldadd_var): Add LIBDL.
117         * Makefile.in: Regenerate.
118
119         * archive.cc: Include "plugin.h".
120         (Archive::setup): Don't preread archive symbols when using a plugin.
121         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
122         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
123         files.
124         (Archive::include_member): Add symbols from plugin objects.
125         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
126         * descriptors.cc (Descriptors::open): Check for file descriptors
127         abandoned by plugins.
128         (Descriptors::claim_for_plugin): New function.
129         * descriptors.h (Descriptors::claim_for_plugin): New function.
130         (Open_descriptor::is_claimed): New field.
131         (claim_descriptor_for_plugin): New function.
132         * fileread.cc (File_read::claim_for_plugin): New function.
133         * fileread.h (File_read::claim_for_plugin): New function.
134         (File_read::descriptor): New function.
135         * gold.cc: Include "plugin.h".
136         (queue_initial_tasks): Add task to call plugin hooks for generating
137         new object files.
138         * main.cc: Include "plugin.h".
139         (main): Load plugin libraries.
140         * object.h (Pluginobj): Declare.
141         (Object::pluginobj): New function.
142         (Object::do_pluginobj): New function.
143         (Object::set_target): New function.
144         * options.cc: Include "plugin.h".
145         (General_options::parse_plugin): New function.
146         (General_options::General_options): Initialize plugins_ field.
147         (General_options::add_plugin): New function.
148         * options.h (Plugin_manager): Declare.
149         (General_options): Add --plugin option.
150         (General_options::has_plugins): New function.
151         (General_options::plugins): New function.
152         (General_options::add_plugin): New function.
153         (General_options::plugins_): New field.
154         * plugin.cc: New file.
155         * plugin.h: New file.
156         * readsyms.cc: Include "plugin.h".
157         (Read_symbols::do_read_symbols): Check for archive before checking
158         for ELF file.  Call plugin hooks to claim files.
159         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
160         from a real object file; force override when processing replacement
161         files.
162         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
163         (Symbol::init_base_object): Likewise.
164         (Symbol::init_base_output_data): Likewise.
165         (Symbol::init_base_output_segment): Likewise.
166         (Symbol::init_base_constant): Likewise.
167         (Symbol::init_base_undefined): Likewise.
168         (Symbol::output_section): Assert that object is not a plugin.
169         (Symbol_table::add_from_pluginobj): New function.
170         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
171         undefined.
172         (Symbol_table::sized_write_globals): Likewise.
173         (Symbol_table::add_from_pluginobj): Instantiate template.
174         * symtab.h (Sized_pluginobj): Declare.
175         (Symbol::in_real_elf): New function.
176         (Symbol::set_in_real_elf): New function.
177         (Symbol::in_real_elf_): New field.
178         (Symbol_table::add_from_pluginobj): New function.
179
180         * testsuite/Makefile.am (AM_CFLAGS): New variable.
181         (LIBDL): New variable.
182         (LDADD): Add LIBDL.
183         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
184         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
185         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
186         (MOSTLYCLEANFILES): Likewise.
187         * testsuite/Makefile.in: Regenerate.
188         * testsuite/plugin_test.c: New file.
189         * testsuite/plugin_test_1.sh: New file.
190         * testsuite/plugin_test_2.sh: New file.
191
192 2008-09-16  Ian Lance Taylor  <iant@google.com>
193
194         * target-reloc.h (relocate_section): Check whether a symbol is
195         defined by the ABI before reporting an undefined symbol error.
196         * target.h (Target::is_defined_by_abi): Make parameter const.
197         (Target::do_is_defined_by_abi): Likewise.
198         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
199         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
200         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
201         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
202         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
203         * testsuite/Makefile.in: Rebuild.
204
205         * fileread.cc (make_view): Add casts to avoid warning.
206
207 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
208
209         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
210         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
211
212 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
213
214         * options.h (General_options::output_is_executable): New.
215         (General_options::output_is_pie): New.
216         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
217         for shared libraries.
218         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
219
220 2008-09-11  Chris Demetriou  <cgd@google.com>
221
222         * options.h (origin): New -z option.
223         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
224         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
225         in DT_FLAGS_1.
226
227 2008-09-05  Cary Coutant  <ccoutant@google.com>
228
229         * fileread.cc (File_read::make_view): Add check for attempt to map
230         beyond end of file.
231
232 2008-09-05  Cary Coutant  <ccoutant@google.com>
233
234         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
235         explicit instantiations.
236
237 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
238
239         PR gold/6858
240         * options.cc (General_options::finalize): Allow undefined symbols
241         in shlibs if linking -shared.
242
243         PR gold/6859
244         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
245         symbols as not needing a dynsym entry.
246
247 2008-08-20  Craig Silverstein  <csilvers@google.com>
248
249         * fileread.cc (File_read::open): Do not lock the file unless it
250         was successfully opened.
251
252 2008-08-14  Cary Coutant  <ccoutant@google.com>
253
254         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
255         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
256         * testsuite/tls_test.cc (struct int128): 128-bit struct
257         for testing TLS relocs with non-zero addend.
258         (v12): New TLS variable.
259         (t12): New test.
260         (t_last): Add check for v12.
261         * testsuite/tls_test.h (t12): New function.
262         * testsuite/tls_test_main.cc (thread_routine): Call new test.
263
264 2008-08-13  Ian Lance Taylor  <iant@google.com>
265
266         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
267         set tls_segment_ or relro_segment_.
268         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
269         when appropriate.
270         * output.h (Output_section::clear_is_relro): New function.
271         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
272         sections specially even when output_data_ is empty.
273         (Output_segment::maximum_alignment): When first section is relro,
274         only force alignment for PT_LOAD segments.
275         * script.cc (script_data_segment_align): New function.
276         (script_data_segment_relro_end): New function.
277         * script-c.h (script_data_segment_align): Declare.
278         (script_data_segment_relro_end): Declare.
279         * script-sections.h (class Script_sections): Declare
280         data_segment_align and data_segment_relro_end.  Add fields
281         segment_align_index_ and saw_relro_end_.
282         * script-sections.cc (class Sections_element): Add set_is_relro
283         virtual function.  Add new bool* parameter to place_orphan_here.
284         Add get_output_section virtual function.
285         (class Output_section_definition): Add set_is_relro.  Add new
286         bool* parameter to place_orphan_here.  Add get_output_section.
287         Add is_relro_ field.
288         (Output_section_definition::Output_section_definition): Initialize
289         evaluated_address_, evaluated_load_address, evaluated_addralign_,
290         and is_relro_ fields.
291         (Output_section_definition::place_orphan_here): Add is_relro
292         parameter.
293         (Output_section_definition::set_section_addresses): Set relro for
294         output section.
295         (Output_section_definition::alternate_constraint): Likewise.
296         (class Orphan_output_section): Add new bool* parameter to
297         place_orphan_here.  Add get_output_section.
298         (Orphan_output_section::place_orphan_here): Add is_relro
299         parameter.
300         (Script_sections::Script_sections): Initialize
301         data_segment_align_index_ and saw_relro_end_.
302         (Script_sections::data_segment_align): New function.
303         (Script_sections::data_segment_relro_end): New function.
304         (Script_sections::place_orphan): Set or clear is_relro.
305         (Script_sections::set_section_addresses): Force alignment of first
306         TLS section.
307         * yyscript.y (exp): Call script_data_segment_align and
308         script_data_segment_relro_end.
309         * testsuite/relro_script_test.t: New file.
310         * testsuite/relro_test.cc (using_script): Declare.
311         (t1, t2): Test using_script.
312         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
313         (relro_script_test_SOURCES): Define.
314         (relro_script_test_DEPENDENCIES): Define.
315         (relro_script_test_LDFLAGS): Define.
316         (relro_script_test_LDADD): Define.
317         (relro_script_test.so): New target.
318         * testsuite/Makefile.in: Rebuild.
319
320 2008-08-06  Cary Coutant <ccoutant@google.com>
321
322         * archive.cc (Archive::total_archives, Archive::total_members)
323         (Archive::total_members_loaded): New variables.
324         (Archive::setup): Add parameter.  Add option to preread
325         archive symbols.
326         (Archive::read_armap): Add counter.
327         (Archive::get_file_and_offset): New function.
328         (Archive::get_elf_object_for_member): New function.
329         (Archive::read_all_symbols): New function.
330         (Archive::read_symbols): New function.
331         (Archive::add_symbols): Add counters.
332         (Archive::include_all_members): Use armap to find members if it's
333         already built.
334         (Archive::include_member): Skip reading symbols if already read.
335         Factored code into Archive::get_file_and_offset and
336         Archive::get_elf_object_for_member.  Changed call to
337         Mapfile::report_include_archive_member.
338         (Archive::print_stats): New function.
339         * archive.h: Declare Object and Read_symbols_data classes.
340         (Archive::Archive): Add initializers for new members.
341         (Archive::setup): Add parameter.
342         (Archive::print_stats): New function.
343         (Archive::total_archives, Archive::total_members)
344         (Archive::total_members_loaded): New variables.
345         (Archive::get_file_and_offset): New function.
346         (Archive::get_elf_object_for_member): New function.
347         (Archive::read_all_symbols): New function.
348         (Archive::read_symbols): New function.
349         (Archive::Archive_member): New class.
350         (Archive::members_): New member.
351         (Archive::num_members_): New member.
352         * main.cc: Include archive.h.
353         (main): Call Archive::print_stats.
354         * mapfile.cc (Mapfile::report_include_archive_member): Delete
355         archive parameter; member_name is now the fully-decorated name.
356         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
357         * options.h: (General_options): Add --preread-archive-symbols option.
358         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
359         Archive::setup.
360
361 2008-08-04  Ian Lance Taylor  <iant@google.com>
362
363         * symtab.h (Symbol::use_plt_offset): New function.
364         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
365         * powerpc.cc (Relocate::relocate): Likewise.
366         * sparc.cc (Relocate::relocate): Likewise.
367         * x86_64.cc (Relocate::relocate): Likewise.
368         * testsuite/weak_plt.sh: New test.
369         * testsuite/weak_plt_main.cc: New test.
370         * testsuite/weak_plt_shared.cc: New test.
371         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
372         (check_PROGRAMS): Add weak_plt.
373         (check_DATA): Add weak_plt_shared.so.
374         (weak_plt_main_pic.o, weak_plt): New targets.
375         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
376         * testsuite/Makefile.in: Rebuild.
377
378         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
379         gcctestdir/ld.
380         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
381         * testsuite/Makefile.in: Rebuild.
382
383 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
384
385         * Makefile.am (POTFILES.in): Set LC_ALL=C.
386         * Makefile.in: Regenerate.
387         * po/POTFILES.in: Regenerate.
388
389 2008-07-29  Ian Lance Taylor  <iant@google.com>
390
391         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
392         symbols before other symbols.
393         * testsuite/script_test_2.cc (test_addr): Declare.
394         (test_addr_alias): Declare.
395         (main): Check that test_addr and test_addr_alias have the right
396         values. 
397         * testsuite/script_test_2.t: Define test_addr_alias and
398         test_addr.
399
400 2008-07-24  Ian Lance Taylor  <iant@google.com>
401
402         PR 5990
403         * descriptors.cc: New file.
404         * descriptors.h: New file.
405         * gold-threads.h (class Hold_optional_lock): New class.
406         * fileread.cc: Include "descriptors.h".
407         (File_read::~File_read): Release descriptor rather than closing
408         it.
409         (File_read::open) [file]: Call open_descriptor rather than open.
410         Set is_descriptor_opened_.
411         (File_read::open) [memory]: Assert that descriptor is not open.
412         (File_read::reopen_descriptor): New function.
413         (File_read::release): Release descriptor.
414         (File_read::do_read): Make non-const.  Reopen descriptor.
415         (File_read::read): Make non-const.
416         (File_read::make_view): Reopen descriptor.
417         (File_read::do_readv): Likewise.
418         * fileread.h (class File_read): Add is_descriptor_opened_ field.
419         Update declarations.
420         * layout.cc: Include "descriptors.h".
421         (Layout::create_build_id): Use open_descriptor rather than open.
422         * output.cc: Include "descriptors.h".
423         (Output_file::open): Use open_descriptor rather than open.
424         * archive.cc (Archive::const_iterator): Change Archive to be
425         non-const.
426         (Archive::begin, Archive::end): Make non-const.
427         (Archive::count_members): Likewise.
428         * archive.h (class Archive): Update declarations.
429         * object.h (Object::read): Make non-const.
430         * Makefile.am (CCFILES): Add descriptors.cc.
431         (HFILES): Add descriptors.h.
432         * Makefile.in: Rebuild.
433
434         PR 6716
435         * gold.h: Always include <clocale>.  Add Solaris workarounds
436         following code in binutils/sysdep.h.
437
438         PR 6048
439         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
440         this->eh_frame_hdr_ is NULL before using it.
441
442         * dynobj.cc (Versions::Versions): Update comment.
443
444         * dynobj.cc (Versions::Versions): If there is an soname, use it as
445         the base version name.
446
447         * stringpool.cc (Stringpool_template::add_with_length): Set key to
448         array size plus one.
449         (Stringpool_template::set_string_offsets): Subtract one from key
450         before using it as an array index.
451         (Stringpool_template::get_offset_with_length): Likewise.
452         (Stringpool_template::write_to_buffer): Likewise.
453         * stringpool.h (Stringpool_template::get_offset_from_key):
454         Likewise.
455
456 2008-07-23  Ian Lance Taylor  <iant@google.com>
457
458         PR 6658
459         * object.h (Merged_symbol_value::value): Do our best to handle a
460         negative addend.
461
462         PR 6647
463         * script.cc (Version_script_info::get_versions): Don't add empty
464         version tag to return value.
465         (Version_script_info::get_symbol_version_helper): Change return
466         type to bool.  Add pversion parameter.  Change all callers.
467         (script_register_vers_node): Don't require a non-NULL tag.
468         * script.h (class Version_script_info): Update declarations.
469         (Version_script_info::get_symbol_version): Change return type to
470         bool.  Add version parameter.  Change all callers.
471         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
472         handling.  Handle an empty version from a version script.
473         (Symbol_table::define_special_symbol): Likewise.
474         * testsuite/ver_test_10.script: New file.
475         * testsuite/ver_test_10.sh: New file.
476         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
477         (check_DATA): Add ver_test_10.syms.
478         (ver_test_10.syms, ver_test_10.so): New target.
479         * testsuite/Makefile.in: Rebuild.
480
481 2008-07-23  Simon Baldwin  <simonb@google.com>
482
483         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
484         to zero for undefined symbols from dynamic libraries.
485
486 2008-07-23  Ian Lance Taylor  <iant@google.com>
487
488         * symtab.cc (Symbol_table::resolve): Remove version parameter.
489         Change all callers.
490         * symtab.h (class Symbol_table): Update declaration.
491         * testsuite/ver_test_9.cc: New file.
492         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
493         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
494         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
495         (ver_test_9.so, ver_test_9.o): New targets.
496         * testsuite/Makefile.in: Rebuild.
497
498 2008-07-22  Ian Lance Taylor  <iant@google.com>
499
500         * options.h (class General_options): Define --check-sections.
501         * layout.cc (Layout::set_segment_offsets): Handle
502         --check-sections.
503
504         * options.h (class General_options): Define -n/--nmagic and
505         -N/--omagic.
506         * options.cc (General_options::finalize): For -n/--nmagic or
507         -N/--omagic, set -static.
508         * layout.cc (Layout::attach_allocated_section_to_segment): If
509         -N/--omagic, don't put read-only and read-write sections in
510         different segments.
511         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
512         finding a read-only segment.
513         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
514         don't set the minimum segment alignment to the common page size,
515         and don't set the file offset to the address modulo the page size.
516         * script-sections.cc (Script_sections::create_segments): If
517         -n/--omagic, don't put read-only and read-write sections in
518         different segments.
519
520         * cref.cc: New file.
521         * cref.h: New file.
522         * options.h (class General_options): Add --print-symbol-counts.
523         * main.cc (main): Issue defined symbol report if requested.
524         * archive.cc (Archive::interpret_header): Make into a const member
525         function.
526         (Archive::add_symbols): Call Input_objects::archive_start and
527         archive_stop.
528         (Archive::const_iterator): Define new class.
529         (Archive::begin, Archive::end): New functions.
530         (Archive::include_all_members): Rewrite to use iterator.
531         (Archive::count_members): New function.
532         * archive.h (class Archive): Update declarations.
533         (Archive::filename): New function.
534         * object.cc: Include "cref.h".
535         (Sized_relobj::Sized_relobj): Initialize defined_count_.
536         (Sized_relobj::do_get_global_symbol_counts): New function.
537         (Input_objects::add_object): Add object to cross-referencer.
538         (Input_objects::archive_start): New function.
539         (Input_objects::archive_stop): New function.
540         (Input_objects::print_symbol_counts): New function.
541         * object.h: Declare Cref and Archive.
542         (Object::get_global_symbol_counts): New function.
543         (Object::do_get_global_symbol_counts): New pure virtual function.
544         (class Sized_relobj): Add defined_count_ field.  Update
545         declarations.
546         (class Input_objects): Add cref_ field.  Update constructor.
547         Update declarations.
548         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
549         defined_count_.
550         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
551         symbol counts.
552         (Sized_dynobj::do_get_global_symbol_counts): New function.
553         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
554         defined_count_.  Update declarations.  Define Symbols typedef.
555         * symtab.cc (Symbol_table::add_from_relobj): Add defined
556         parameter.  Change all callers.
557         (Symbol_table::add_from_dynobj): Add sympointers and defined
558         parameters.  Change all callers.
559         * symtab.h (class Symbol_table): Update declarations.
560         * Makefile.am (CCFILES): Add cref.cc.
561         (HFILES): Add cref.h.
562         * Makefile.in: Rebuild.
563
564 2008-07-22  Simon Baldwin  <simonb@google.com>
565
566         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
567         to zero when writing undefined symbols.
568
569 2008-07-22  Ian Lance Taylor  <iant@google.com>
570
571         * output.cc (Output_section::add_input_section): Don't try to
572         merge empty merge sections.
573
574 2008-07-21  Craig Silverstein  <csilvers@google.com>
575
576         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
577         Include symbol version in error message.
578         
579 2008-07-20  Chris Demetriou  <cgd@google.com>
580
581         * configure.ac (gold_cv_c_random_seed): New configured variable.
582         (RANDOM_SEED_CFLAGS): New substituted variable.
583         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
584         * configure: Rebuild.
585         * Makefile.in: Likewise.
586         * testsuite/Makefile.in: Likewise.
587
588 2008-07-18  Ian Lance Taylor  <iant@google.com>
589
590         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
591         where we see NAME/NULL and NAME/VERSION  as separate symbols.
592         * testsuite/ver_test_main.cc (main): Call t4.
593         (t4, t4_2a): Define.
594         * testsuite/ver_test_2.cc (t4_2): Define.
595         * testsuite/ver_test_2.script: Put t4_2a in VER2.
596         * testsuite/ver_test_4.cc (t4_2a): Define.
597         * testsuite/ver_test_4.script: Put t4_2a in VER2.
598         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
599
600 2008-07-17  Ian Lance Taylor  <iant@google.com>
601
602         * dynobj.cc (Versions::add_def): If we give an error about a
603         missing version, go ahead and create the version anyhow.
604
605 2008-07-10  Ian Lance Taylor  <iant@google.com>
606
607         Handle output sections with more than 0x7fffffff bytes.
608         * object.h (class Relobj): Change map_to_output_ to
609         output_sections_, and just keep a section pointer.  Change all
610         uses.  Move comdat group support to Sized_relobj.
611         (Relobj::is_section_specially_mapped): Remove.
612         (Relobj::output_section): Remove poff parameter.  Change all
613         callers.
614         (Relobj::output_section_offset): New function.
615         (Relobj::set_section_offset): Rewrite.
616         (Relobj::map_to_output): Remove.
617         (Relobj::output_sections): New function.
618         (Relobj::do_output_section_offset): New pure virtual function.
619         (Relobj::do_set_section_offset): Likewise.
620         (class Sized_relobj): Add section_offsets_ field.  Add comdat
621         group support from Relobj.  Update declarations.
622         (Sized_relobj::get_output_section_offset): New function.
623         (Sized_relobj::do_output_section_offset): New function.
624         (Sized_relobj::do_set_section_offset): New function.
625         * object.cc (Relobj::output_section_address): Remove.
626         (Sized_relobj::Sized_relobj): Initialize new fields.
627         (Sized_relobj::include_section_group): Cast find_kept_object to
628         Sized_relobj.
629         (Sized_relobj::include_linkonce_section): Likewise.
630         (Sized_relobj::do_layout): Use separate arrays for output section
631         and output offset.
632         (Sized_relobj::do_count_local_symbols): Change map_to_output to
633         output_sections.
634         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
635         output_sections and section_offsets.
636         (Sized_relobj::write_local_symbols): Likewise.
637         (map_to_kept_section): Compute output address directly.
638         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
639         output_sections and section_offsets.
640         (Sized_relobj::write_sections): Likewise.
641         (Sized_relobj::relocate_sections): Likewise.
642         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
643         * output.h (class Output_reloc): Update declarations.  Change
644         u2_.relobj to Sized_relobj*.
645         (class Output_data_reloc): Change add functions to use
646         Sized_relobj*.
647         * output.cc (Output_reloc::Output_reloc): Change relobj to
648         Sized_relobj*.
649         (Output_reloc::local_section_offset): Change return type to
650         Elf_Addr.  Use get_output_section_offset.
651         (Output_reloc::get_address): Likewise.
652         (Output_section::is_input_address_mapped): Don't call
653         is_section_specially_mapped.
654         (Output_section::output_offset): Likewise.
655         (Output_section::output_address): Likewise.
656         (Output_section::starting_output_address): Likewise.
657         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
658         parameter to Sized_relobj*.
659         (Copy_relocs::need_copy_reloc): Likewise.
660         (Copy_relocs::save): Likewise.
661         * copy-relocs.h (class Copy_relocs): Update declarations.
662         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
663         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
664         * target-reloc.h (relocate_for_relocatable): Change
665         offset_in_output_section type to Elf_Addr.  Change code that uses
666         it as well.
667         * layout.cc (Layout::layout): Always set *off.
668         * mapfile.cc (Mapfile::print_input_section): Use
669         output_section_offset.
670         * i386.cc (Target_i386::copy_reloc): Change object parameter to
671         Sized_relobj*.
672         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
673         * sparc.cc (Target_sparc::copy_reloc): Likewise.
674         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
675
676 2008-07-03  Ian Lance Taylor  <iant@google.com>
677
678         * layout.cc (Layout::include_section): Do not discard unrecognized
679         SHT_STRTAB sections.
680
681 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
682
683         * script.cc (Lex::can_continue_name): Make '?' allowable in
684         version-script names.
685         * testsuite/version_script.map: Change glob pattern to use '?'
686
687 2008-06-30  Manish Singh  <yosh@gimp.org>
688
689         PR 6585
690         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
691         Correct typo.
692
693 2008-06-30  Ian Lance Taylor  <iant@google.com>
694
695         PR 6660
696         PR 6682
697         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
698         versions]: Don't try to read the value in the contents, since we
699         don't use it.  Use the template endianness when writing.
700
701 2008-06-25  Cary Coutant  <ccoutant@google.com>
702
703         * fileread.cc (File_read::make_view): Assert on zero-length view.
704         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
705         symbol table when there are no symbols to read.
706
707 2008-06-23  Craig Silverstein  <csilvers@google.com>
708
709         * version.cc (version_string): Bump to 1.7
710
711 2008-06-18  Craig Silverstein  <csilvers@google.com>
712
713         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
714         constant 0xFFFF to type Valtype.
715         (Powerpc_relocate_functions::rel16_ha): Likewise.
716
717 2008-06-17  Ian Lance Taylor  <iant@google.com>
718
719         * output.h (Output_section::Input_section): Initialize p2align_ to
720         zero for Output_section_data constructors.
721         (Output_section::Input_section::addralign): If not an input
722         section, return the alignment of the Output_section_data.
723         * testsuite/copy_test.cc: New file.
724         * testsuite/copy_test_1.cc: New file.
725         * testsuite/copy_test_2.cc: New file.
726         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
727         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
728         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
729         (copy_test_1_pic.o, copy_test_1.so): New targets.
730         (copy_test_2_pic.o, copy_test_2.so): New targets.
731         * testsuite/Makefile.in: Rebuild.
732
733         * script-sections.cc (Script_sections::place_orphan): Initialize
734         local variable exact.
735
736 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
737
738         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
739
740 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
741             David S. Miller  <davem@davemloft.net>
742
743         * powerpc.cc: New file.
744         * Makefile.am (TARGETSOURCES): Add powerpc.cc
745         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
746         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
747         * Makefile.in: Rebuild.
748
749 2008-06-09  Ian Lance Taylor  <iant@google.com>
750
751         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
752         <exception>.
753         (throwing, orig_terminate): New static variables.
754         (terminate_handler): New static function.
755         (t2): Set terminate handler.
756
757 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
758
759         PR 6584
760         * binary.cc (Binary_to_elf::sized_convert): Fix .data
761         alignment.
762
763 2008-05-30  Cary Coutant  <ccoutant@google.com>
764
765         * archive.cc (Archive::include_all_members) Correct to step
766         over symbol table and extended name table in thin archives.
767
768 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
769
770         PR 6407
771         * target-reloc.h (relocate_for_relocatable): Fix new_offset
772         calculation.
773
774 2008-05-28  Caleb Howe  <cshowe@google.com>
775
776         * reduced_debug_output.cc: New file.
777         * reduced_debug_output.h: New file.
778         * options.h (class General_options): Add --strip-debug-non-line.
779         * options.cc (General_options::finalize): Add strip_debug_non_line
780         to the strip heirarchy.
781         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
782         fields.
783         * layout.cc: Include "reduced_debug_output.h".
784         (Layout::Layout): Initialize new fields.
785         (line_only_debug_sections): New static array.
786         (is_lines_only_debug_sections): New static inline function.
787         (Layout::include_section): Handle --strip-debug-non-line.
788         (Layout::make_output_section): If --strip-debug-non-line, build
789         new output sections for .debug_abbrev and .debug_info.
790         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
791         gold.  Warn about possible overflow.
792         (read_signed_LEB_128): Likewise.
793         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
794         (read_signed_LEB_128): Declare.
795         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
796         (HFILES): Add reduced_debug_output.h.
797         * Makefile.in: Rebuild.
798
799 2008-05-21  Ian Lance Taylor  <iant@google.com>
800
801         * mapfile.cc: New file.
802         * mapfile.h: New file.
803         * options.h (class General_options): Add -M/--print-map and -Map.
804         * options.cc (General_options::finalize): Make -M equivalent to
805         -Map -.
806         * main.cc: Include <cstdio> and "mapfile.h".
807         (main): Open mapfile if requested.
808         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
809         constructor.  Change caller.
810         (queue_initial_tasks): Add mapfile parameter.  Change caller.
811         (queue_middle_tasks): Likewise.
812         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
813         declarations.
814         * archive.cc: Include "mapfile.h".
815         (Archive::add_symbols): Add mapfile parameter.  Change all
816         callers.  Pass mapfile, symbol, and reason to include_member.
817         (Archive::include_all_members): Add mapfile parameter.  Change all
818         callers.
819         (Archive::include_member): Add mapfile, sym, and why parameters.
820         Change all callers.  Report inclusion to map file.
821         * archive.h: Include "fileread.h".
822         (class Archive): Update declarations.
823         (Archive::file): New const method.
824         (class Add_archive_symbols): Add mapfile_ field.  Update
825         constructor.  Change all callers.
826         * readsyms.h (class Read_symbols): Likewise.
827         (class Finish_group): Likewise.
828         (class Read_script): Likewise.
829         * common.cc: Include "mapfile.h".
830         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
831         all callers.
832         (Symbol_table::do_allocate_commons): Likewise.
833         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
834         symbol allocation to mapfile.
835         * common.h (class Allocate_commons_task): Add mapfile_ field.
836         Update constructor.  Change all callers.
837         * symtab.h (class Symbol_table): Update declarations.
838         * layout.cc: Include "mapfile.h".
839         (Layout_task_runner::run): Print information to mapfile.
840         (Layout::create_gold_note): Change Output_data_fixed_space to
841         Output_data_zero_fill.
842         (Layout::create_build_id): Likewise.
843         (Layout::print_to_mapfile): New function.
844         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
845         constructor.  Change caller.
846         (class Layout): Declare print_to_mapfile.
847         * output.cc (Output_section::Input_section::print_to_mapfile): New
848         function.
849         (Output_section::add_input_section): If producing a map, always
850         add to input_sections_ list.
851         (Output_section::do_print_to_mapfile): New function.
852         (Output_segment::print_sections_to_mapfile): New function.
853         (Output_segment::print_section_list_to_mapfile): New function.
854         * output.h: Include "mapfile.h".
855         (Output_data::print_to_mapfile): New function.
856         (Output_data::do_print_to_mapfile): New virtual function.
857         (Output_segment_headers::do_print_to_mapfile): New function.
858         (Output_file_header::do_print_to_mapfile): New function.
859         (Output_data_const::do_print_to_mapfile): New function.
860         (class Output_data_const_buffer): Add map_name_ field.  Update
861         constructor.  Change all callers.  Add do_print_to_mapfile
862         function.
863         (class Output_data_fixed_space): Likewise.
864         (class Output_data_space): Likewise.
865         (class Output_data_zero_fill): New class.
866         (Output_data_strtab::do_print_to_mapfile): New function.
867         (Output_data_reloc_base::do_print_to_mapfile): New function.
868         (Output_relocatable_relocs::do_print_to_mapfile): New function.
869         (Output_data_group::do_print_to_mapfile): New function.
870         (Output_data_got::do_print_to_mapfile): New function.
871         (Output_data_dynamic::do_print_to_mapfile): New function.
872         (Output_symtab_xindex::do_print_to_mapfile): New function.
873         (class Output_section): Declare do_print_to_mapflie.  Declare
874         print_to_mapfile in Input_section.
875         (class Output_segment): Declare new functions.
876         * object.h (Sized_relobj::symbol_count): New function.
877         * script-sections.cc
878         (Output_section_element_dot_assignment::set_section_addresses):
879         Change Output_data_fixed_space to Output_data_zero_fill.
880         (Output_data_expression::do_print_to_mapfile): New function.
881         * script.cc (read_input_script): Add mapfile parameter.  Change
882         all callers.
883         * script.h (read_input_script): Update declaration.
884         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
885         (Eh_frame::do_print_to_mapfile): New function.
886         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
887         (Output_merge_string::do_print_to_mapfile): New function.
888         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
889         function.
890         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
891         function.
892         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
893         function.
894         * Makefile.am (CCFILES): Add mapfile.cc.
895         (HFILES): Add mapfile.h.
896         * Makefile.in: Rebuild.
897
898 2008-05-19  Ian Lance Taylor  <iant@google.com>
899
900         * options.h (class General_options): Add -z relro.
901         * layout.cc (Layout::Layout): Initialize relro_segment_.
902         (Layout::add_output_section_data): Return the output section.
903         (Layout::make_output_section): Rcognize relro sections and mark
904         them appropriately.
905         (Layout::attach_allocated_section_to_segment): Put relro sections
906         in a PT_GNU_RELRO segment.
907         (Layout::create_initial_dynamic_sections): Mark the .dynamic
908         section as relro.
909         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
910         PT_TLS segments.
911         (Layout::linkonce_mapping): Map d.rel.ro.local to
912         .data.rel.ro.local.
913         (Layout::output_section_name): Us .data.rel.ro.local for any
914         section which begins with that.
915         * layout.h (class Layout): Update add_output_section_data
916         declaration.  Add relro_segment_ field.
917         * output.cc (Output_section::Output_section): Initialize is_relro_
918         and is_relro_local_ fields.
919         (Output_segment::add_output_section): Group relro sections.
920         (Output_segment::is_first_section_relro): New function.
921         (Output_segment::maximum_alignment): If there is a relro section,
922         align the segment to the common page size.
923         (Output_segment::set_section_addresses): Track whether we are
924         looking at relro sections.  If the last section is a relro
925         section, align to the common page size.
926         (Output_segment::set_section_list_addresses): Add in_relro
927         parameter.  Change all callers.  Align to the page size when
928         moving from relro to non-relro section.
929         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
930         segment.
931         * output.h (class Output_section): Add is_relro_ and
932         is_relro_local_ fields.
933         (Output_section::is_relro): New function.
934         (Output_section::set_is_relro): New function.
935         (Output_section::is_relro_local): New function.
936         (Output_section::set_is_relro_local): New function.
937         (class Output_segment): Update declarations.
938         * i386.cc (Target_i386::got_section): Mark .got section as relro.
939         * sparc.cc (Target_sparc::got_section): Likewise.
940         * x86_64.cc (Target_x86_64::got_section): Likewise.
941         * testsuite/relro_test_main.cc: New file.
942         * testsuite/relro_test.cc: New file.
943         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
944         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
945         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
946         (relro_test.so, relro_test_pic.o): New targets.
947         * testsuite/Makefile.in: Rebuild.
948
949 2008-05-16  Ian Lance Taylor  <iant@google.com>
950
951         * output.cc (Output_segment::add_output_section): Remove front
952         parameter.
953         * output.h (class Output_segment): Remove
954         add_initial_output_section and overloaded add_output_section.
955         Update declaration of remaining add_output_section.
956         * layout.cc (Layout::create_interp): Call add_output_section
957         rather than add_initial_output_section.
958         (Layout::finish_dynamic_section): Likewise.
959
960         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
961         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
962         know the dynamic type.
963         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
964         field.  Initialize it in constructor.
965         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
966         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
967         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
968         reloc.
969
970         * output.cc (Output_reloc::get_address): Change return type to
971         Elf_Addr.
972         * output.h (class Output_reloc): Update get_address declaration.
973         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
974         for section addresses.
975
976 2008-05-09  Ian Lance Taylor  <iant@google.com>
977
978         PR 6493
979         * gold.cc (gold_nomem): Use return value of write.
980
981 2008-05-08  Ian Lance Taylor  <iant@google.com>
982
983         * symtab.c (Symbol::init_base_output_data): Add version
984         parameter.  Change all callers.
985         (Symbol::init_base_output_segment): Likewise.
986         (Symbol::init_base_constant): Likewise.
987         (Symbol::init_base_undefined): Likewise.
988         (Sized_symbol::init_output_data): Likewise.
989         (Sized_symbol::init_output_segment): Likewise.
990         (Sized_symbol::init_constant): Likewise.
991         (Sized_symbol::init_undefined): Likewise.
992         (Symbol_table::do_define_in_output_data): If the new symbol has a
993         version, mark it as the default.
994         (Symbol_table::do_define_in_output_segment): Likewise.
995         (Symbol_table::do_define_as_constant): Likewise.
996         * symtab.h (class Symbol): Update declarations.
997         (class Sized_symbol): Likewise.
998         * resolve.cc (Symbol::override_version): New function.
999         (Symbol::override_base): Call override_version.
1000         (Symbol::override_base_with_special): Likewise.
1001         * testsuite/ver_script_8.script: New file.
1002         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
1003         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
1004         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
1005         (ver_test_8_1.so, ver_test_8_2.so): New targets.
1006
1007 2008-05-06  Ian Lance Taylor  <iant@google.com>
1008
1009         PR 6049
1010         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
1011         functions.
1012         (class General_options): Remove existing --undefined, and add
1013         --no-undefined instead.  Add new --undefined as synonym for -u.
1014         * archive.cc (Archive::add_symbols): Check whether symbol was
1015         named with -u.
1016         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
1017         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
1018         all uses.  Add IS_UNDEFINED.  Update declarations to split
1019         different versions of init_base.  Declare init_base_undefined.
1020         (Symbol::is_defined): Handle IS_UNDEFINED.
1021         (Symbol::is_undefined): Likewise.
1022         (Symbol::is_weak_undefined): Call is_undefined.
1023         (Symbol::is_absolute): Handle IS_CONSTANT.
1024         (class Sized_symbol): Update declarations to split different
1025         versions of init.  Declare init_undefined.
1026         (class Symbol_table): Declare new functions.
1027         * symtab.cc (Symbol::init_base_object): Rename from init_base.
1028         Change all callers.
1029         (Symbol::init_base_output_data): Likewise.
1030         (Symbol::init_base_output_segment): Likewise.
1031         (Symbol::init_base_constant): Likewise.
1032         (Symbol::init_base_undefined): New function.
1033         (Sized_symbol::init_object): Rename from init.  Change all
1034         callers.
1035         (Sized_symbol::init_output_data): Likewise.
1036         (Sized_symbol::init_output_segment): Likewise.
1037         (Sized_symbol::init_constant): Likewise.
1038         (Sized_symbol::init_undefined): New function.
1039         (Symbol_table::add_undefined_symbols_from_command_line): New
1040         function.
1041         (Symbol_table::do_add_undefined_symbols_from_command_line): New
1042         function.
1043         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
1044         (Symbol::output_section): Likewise.
1045         (Symbol::set_output_section): Likewise.
1046         (Symbol_table::sized_finalize_symbol): Likewise.
1047         (Symbol_table::sized_write_globals): Likewise.
1048         * resolve.cc (Symbol_table::should_override): Likewise.
1049         (Symbol::override_base_with_special): Likewise.
1050
1051         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
1052         symbol, change it to have default visibility.
1053         * testsuite/protected_1.cc: New file.
1054         * testsuite/protected_2.cc: New file.
1055         * testsuite/protected_3.cc: New file.
1056         * testsuite/protected_main_1.cc: New file.
1057         * testsuite/protected_main_2.cc: New file.
1058         * testsuite/protected_main_3.cc: New file.
1059         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
1060         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
1061         (protected_1_LDFLAGS, protected_1_LDADD): Define.
1062         (protected_1.so): New target.
1063         (protected_1_pic.o, protected_2_pic.o): New targets.
1064         (protected_3_pic.o): New target.
1065         (check_PROGRAMS): Add protected_2.
1066         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
1067         (protected_2_LDFLAGS, protected_2_LDADD): Define.
1068         * testsuite/Makefile.in: Rebuild.
1069
1070         * options.h (DEFINE_var): Add set_user_set_##varname__.
1071         (DEFINE_bool_alias): New macro.
1072         (class General_options): Define -Bstatic using DEFINE_bool_alias
1073         rather than DEFINE_special.  Add --undefined as an alias for -z
1074         defs.
1075         * options.cc (General_options::parse_Bstatic): Remove.
1076
1077         * options.h (class General_options): Add --fatal-warnings.
1078         * main.cc (main): Implement --fatal-warnings.
1079         * errors.h (Errors::warning_count): New function.
1080
1081         * options.h (class General_options): Add -Bsymbolic-functions.
1082         * symtab.h (Symbol::is_preemptible): Check for
1083         -Bsymbolic-functions.
1084
1085 2008-05-05  Ian Lance Taylor  <iant@google.com>
1086
1087         * options.h (DEFINE_bool): For DASH_Z, create the negative option
1088         as noVARNAME rather than no-VARNAME.
1089         (class General_options): Add option -z combreloc.
1090         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
1091         get_address.
1092         (Output_reloc::sort_before) [SHT_REL]: New function.
1093         (Output_reloc::sort_before) [SHT_RELA]: New function.
1094         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
1095         Sort_relocs_comparison.
1096         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
1097         parameter.  Change all callers.
1098         (Output_data_reloc::Output_data_reloc) [both versions]: Add
1099         sort_relocs parameter.  Change all callers.
1100         * output.cc (Output_reloc::get_address): New function, broken out
1101         of write_rel.
1102         (Output_reloc::write_rel): Call it.
1103         (Output_reloc::compare): New function.
1104         (Output_data_reloc_base::do_write): Optionally sort relocs.
1105
1106         * configure.ac: If targ_extra_obj is set, link it in.
1107         * configure.tgt: Initialize all variables.
1108         (x86_64*): Set targ_extra_obj and targ_extra_size.
1109         * configure: Rebuild.
1110
1111         * object.cc (Sized_relobj::include_section_group): Adjust section
1112         indexes read from group data.  Build vector to pass to
1113         layout_group.
1114         * layout.cc (Layout::layout_group): Add flags and shndxes
1115         parameters.  Remove contents parameter.  Change caller.  Update
1116         explicit instantiations.
1117         * layout.h (class Layout): Update layout_group declaration.
1118         * output.cc (Output_data_group::Output_data_group): Add flags and
1119         input_shndxes parameters.  Remove contents parameter.  Change
1120         caller.
1121         (Output_data_group::do_write): Change input_sections_ to
1122         input_shndxes_.
1123         * output.h (class Output_data_group): Update constructor
1124         declaration.  Rename input_sections_ to input_shndxes_.
1125         * testsuite/many_sections_test.cc: Add template.
1126
1127 2008-04-30  Cary Coutant  <ccoutant@google.com>
1128
1129         * target-reloc.h (relocate_section): Fix dead-pointer bug.
1130
1131         * layout.cc (Layout::include_section): Refactored check for debug
1132         info section.
1133         (Layout::add_comdat): Add new parameters.  Change type
1134         of signature parameter.  Add object and shndx to signatures table.
1135         (Layout::find_kept_object): New function.
1136         * layout.h: Include <cstring>.
1137         (Layout::is_debug_info_section): New function.
1138         (Layout::add_comdat): Add new parameters.
1139         (Layout::find_kept_object): New function.
1140         (Layout::Kept_section): New struct.
1141         (Layout::Signatures): Change type of map range.
1142         * object.cc (Relobj::output_section_address): New function.
1143         (Sized_relobj::include_section_group): Add new parameters.  Change
1144         calls to Layout::add_comdat.  Change to build table of kept comdat
1145         groups and table mapping discarded sections to kept sections.
1146         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
1147         (Sized_relobj::do_layout): Change calls to include_section_group and
1148         include_linkonce_section.
1149         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
1150         value to zero when section is discarded.
1151         (Sized_relobj::map_to_kept_section): New function.
1152         * object.h (Relobj::output_section_address): New function.
1153         (Relobj::Comdat_group): New type.
1154         (Relobj::find_comdat_group): New function.
1155         (Relobj::Comdat_group_table): New type.
1156         (Relobj::Kept_comdat_section): New type.
1157         (Relobj::Kept_comdat_section_table): New type.
1158         (Relobj::add_comdat_group): New function.
1159         (Relobj::set_kept_comdat_section): New function.
1160         (Relobj::get_kept_comdat_section): New function.
1161         (Relobj::comdat_groups_): New field.
1162         (Relobj::kept_comdat_sections_): New field.
1163         (Symbol_value::input_value): Update comment.
1164         (Sized_relobj::map_to_kept_section) New function.
1165         (Sized_relobj::include_linkonce_section): Add new parameter.
1166         * target-reloc.h (Comdat_behavior): New type.
1167         (get_comdat_behavior): New function.
1168         (relocate_section): Add code to map a discarded section to the
1169         corresponding kept section when applying a relocation.
1170
1171 2008-04-30  Craig Silverstein  <csilvers@google.com>
1172
1173         * dwarf_reader.cc (next_generation_count): New static var.
1174         (Addr2line_cache_entry): New struct.
1175         (addr2line_cache): New static var.
1176         (Dwarf_line_info::one_addr2line): Added caching.
1177         (Dwarf_line_info::clear_addr2line_cache): New function.
1178         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
1179         cache-size parameter.
1180         (Dwarf_line_info::one_addr2line_cache): New function.
1181         * symtab.cc (Symbol_table::detect_odr_violations): Pass
1182         new cache-size argument to one_addr2line(), and clear cache.
1183
1184 2008-04-28  Cary Coutant  <ccoutant@google.com>
1185
1186         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
1187         R_386_PC8 relocations.
1188
1189 2008-04-23  Ian Lance Taylor  <iant@google.com>
1190
1191         * object.cc (Sized_relobj::include_section_group): Check for
1192         invalid section group.
1193
1194         * object.cc (make_elf_object): Correct test for 64-bit ELF file
1195         header size.
1196
1197         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
1198         than read for file header.
1199         * archive.cc (Archive::include_member): Likewise.
1200
1201 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
1202
1203         * aclocal.m4: Regenerate.
1204         * configure: Regenerate.
1205
1206 2008-04-19  Ian Lance Taylor  <iant@google.com>
1207
1208         * version.cc (version_string): Bump to 1.6.
1209
1210         * testsuite/Makefile.am (many_sections_r_test): New target.
1211         (many_sections_r_test_SOURCES): Remove.
1212         (many_sections_r_test_DEPENDENCIES): Remove.
1213         (many_sections_r_test_LDFLAGS): Remove.
1214         (many_sections_r_test_LDADD): Remove.
1215
1216         * object.cc (Sized_relobj::do_add_symbols): Always pass
1217         local_symbol_count_ to add_from_relobj.
1218
1219         * testsuite/Makefile.am (many_sections_check.h): Only check one in
1220         every thousand variables.
1221         * testsuite/Makefile.in: Rebuild.
1222
1223         * object.cc (Xindex::initialize_symtab_xindex): New function.
1224         (Xindex::read_symtab_xindex): New function.
1225         (Xindex::sym_xindex_to_shndx): New function.
1226         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
1227         available.
1228         (Sized_relobj::do_initialize_xindex): New function.
1229         (Sized_relobj::do_read_symbols): Adjust section links.
1230         (Sized_relobj::symbol_section_and_value): Add is_ordinary
1231         parameter.  Change all callers.
1232         (Sized_relobj::include_section_group): Adjust section links and
1233         symbol section indexes.
1234         (Sized_relobj::do_layout): Adjust section links.
1235         (Sized_relobj::do_count_local_symbols): Adjust section links and
1236         symbol section indexes.
1237         (Sized_relobj::do_finalize_local_symbols): Distinguish between
1238         ordinary and special symbols.
1239         (Sized_relobj::write_local_symbols): Add symtab_xindex and
1240         dynsym_xindex parameters.  Change all callers.  Adjust section
1241         links.  Use SHN_XINDEX when needed.
1242         (Sized_relobj::get_symbol_location_info): Adjust section links.
1243         Don't get fooled by special symbols.
1244         * object.h (class Xindex): Define.
1245         (class Object): Add xindex_ parameter.  Declare virtual functoin
1246         do_initialize_xindex.
1247         (Object::adjust_sym_shndx): New function.
1248         (Object::set_xindex): New protected function.
1249         (class Symbol_value): Add is_ordinary_shndx_ field.
1250         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
1251         (Symbol_value::value): Assert ordinary section.
1252         (Symbol_value::initialize_input_to_output_map): Likewise.
1253         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
1254         Change all callers.
1255         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
1256         all callers.
1257         (class Sized_relobj): Update declarations.
1258         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
1259         parameter.  Change all callers.
1260         (Sized_relobj::adjust_shndx): New function.
1261         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
1262         field.
1263         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
1264         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
1265         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
1266         (Sized_dynobj::read_dynsym_section): Adjust section links.
1267         (Sized_dynobj::read_dynamic): Likewise.
1268         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
1269         section links.
1270         (Sized_dynobj::do_initialize_xindex): New function.
1271         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
1272         do_initialize_xindex.
1273         (Sized_dynobj::adjust_shndx): New function.
1274         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
1275         dynsym_xindex_ fields.
1276         (Layout::finalize): Add a call to set_section_indexes before
1277         creating the symtab sections.
1278         (Layout::set_section_indexes): Don't do anything if the section
1279         already has a section index.
1280         (Layout::create_symtab_sections): Add shnum parameter.  Change
1281         caller.  Create .symtab_shndx section if needed.
1282         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
1283         caller.
1284         (Layout::allocated_output_section_count): New function.
1285         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
1286         needed.
1287         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
1288         fields.  Update declarations.
1289         (Layout::symtab_xindex): New function.
1290         (Layout::dynsym_xindex): New function.
1291         (class Write_symbols_task): Add layout_ field.
1292         (Write_symbols_task::Write_symbols_task): Add layout parameter.
1293         Change caller.
1294         * output.cc (Output_section_headers::Output_section_headers): Add
1295         shstrtab_section parameter.  Change all callers.
1296         (Output_section_headers::do_sized_write): Store overflow values
1297         for section count and section string table section index in
1298         section header zero.
1299         (Output_file_header::do_sized_write): Check for overflow of
1300         section count and section string table section index.
1301         (Output_symtab_xindex::do_write): New function.
1302         (Output_symtab_xindex::endian_do_write): New function.
1303         * output.h (class Output_section_headers): Add shstrtab_section_.
1304         Update declarations.
1305         (class Output_symtab_xindex): Define.
1306         (Output_section::has_out_shndx): New function.
1307         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
1308         field.
1309         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
1310         Change all callers.
1311         (Sized_symbol::init): Likewise.
1312         (Symbol::output_section): Check for ordinary symbol.
1313         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
1314         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
1315         callers.
1316         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
1317         Change all callers.  Simplify handling of symbols from sections
1318         not included in the link.
1319         (Symbol_table::add_from_dynobj): Handle ordinary symbol
1320         distinction.
1321         (Weak_alias_sorter::operator()): Assert that symbols are
1322         ordinary.
1323         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
1324         distinction.
1325         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
1326         parameters.  Change all callers.
1327         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
1328         symbol distinction.  Use SHN_XINDEX when needed.
1329         (Symbol_table::write_section_symbol): Add symtab_xindex
1330         parameter.  Change all callers.
1331         (Symbol_table::sized_write_section_symbol): Likewise.  Use
1332         SHN_XINDEX when needed.
1333         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
1334         declarations.
1335         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
1336         (Symbol::is_defined): Check is_ordinary.
1337         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
1338         (Symbol::is_absolute, Symbol::is_common): Likewise.
1339         (class Sized_symbol): Update declarations.
1340         (class Symbol_table): Update declarations.
1341         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
1342         parameters.  Change all callers.
1343         (Sized_symbol::override): Likewise.
1344         (Symbol_table::override): Likewise.
1345         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
1346         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
1347         is_ordinary, and orig_st_shndx parameters.  Change all callers.
1348         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
1349         to be in an ordinary section.
1350         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
1351         object and is_ordinary parameters.  Change all callers.
1352         (Sized_dwarf_line_info::read_relocs): Add object parameter.
1353         Change all callers.  Don't add undefined or non-ordinary symbols
1354         to reloc_map_.
1355         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
1356         Change all callers.
1357         * dwarf_reader.h (class Sized_dwarf_line_info): Update
1358         declarations.
1359         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
1360         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
1361         (Sized_relobj::relocate_sections): Likewise.
1362         * target-reloc.h (scan_relocs): Adjust section symbol index.
1363         (scan_relocatable_relocs): Likewise.
1364         * i386.cc (Scan::local): Check for ordinary symbols.
1365         * sparc.cc (Scan::local): Likewise.
1366         * x86_64.cc (Scan::local): Likewise.
1367         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
1368         to symbol_section_and_value.
1369         * testsuite/many_sections_test.cc: New file.
1370         * testsuite/Makefile.am (BUILT_SOURCES): Define.
1371         (check_PROGRAMS): Add many_sections_test.
1372         (many_sections_test_SOURCES): Define.
1373         (many_sections_test_DEPENDENCIES): Define.
1374         (many_sections_test_LDFLAGS): Define.
1375         (BUILT_SOURCES): Add many_sections_define.h.
1376         (many_sections_define.h): New target.
1377         (BUILT_SOURCES): Add many_sections_check.h.
1378         (many_sections_check.h): New target.
1379         (check_PROGRAMS): Add many_sections_r_test.
1380         (many_sections_r_test_SOURCES): Define.
1381         (many_sections_r_test_DEPENDENCIES): Define.
1382         (many_sections_r_test_LDFLAGS): Define.
1383         (many_sections_r_test_LDADD): Define.
1384         (many_sections_r_test.o): New target.
1385         * testsuite/Makefile.in: Rebuild.
1386
1387 2008-04-17  Cary Coutant  <ccoutant@google.com>
1388
1389         * errors.cc (Errors::info): New function.
1390         (gold_info): New function.
1391         * errors.h (Errors::info): New function.
1392         * gold.h (gold_info): New function.
1393         * object.cc (Input_objects::add_object): Print trace output.
1394         * options.cc (options::parse_set): New function.
1395         (General_options::parse_wrap): Deleted.
1396         (General_options::General_options): Deleted initializer.
1397         * options.h (options::String_set): New typedef.
1398         (options::parse_set): New function.
1399         (DEFINE_set): New macro.
1400         (General_options::wrap): Changed to use DEFINE_set. Changed
1401         callers of any_wrap_symbols and is_wrap_symbol.
1402         (General_options::trace, General_options::trace_symbol):
1403         New options.
1404         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
1405         (General_options::wrap_symbols_): Deleted.
1406         * symtab.cc (Symbol_table::add_from_object): Print trace output.
1407
1408 2008-04-17  David S. Miller  <davem@davemloft.net>
1409
1410         * options.cc (General_options::parse_V): New function.
1411         * options.h: Add entries for -V and -Qy.
1412
1413 2008-04-17  Ian Lance Taylor  <iant@google.com>
1414
1415         * common.cc (Symbol_table::allocate_commons): Remove options
1416         parameter.  Change caller.
1417         (Symbol_table::do_allocate_commons): Remove options parameter.
1418         Change caller.  Just call do_allocate_commons_list twice.
1419         (Symbol_table::do_allocate_commons_list): New function, broken out
1420         of do_allocate_commons.
1421         * common.h (class Allocate_commons_task): Remove options_ field.
1422         Update constructor.
1423         * symtab.cc (Symbol_table::Symbol_table): Initialize
1424         tls_commons_.
1425         (Symbol_table::add_from_object): Put TLS common symbols on
1426         tls_commons_ list.
1427         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
1428         which are IN_OUTPUT_DATA.
1429         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
1430         allocate_commons and do_allocate_commons declarations.  Declare
1431         do_allocate_commons_list.
1432         * gold.cc (queue_middle_tasks): Update creation of
1433         Allocate_commons_task to not pass options.
1434         * testsuite/Makefile.am (INCLUDES): Add -I.. .
1435         (TLS_TEST_C_FLAGS): New variable.
1436         (tls_test_c_pic.o): New target.
1437         (tls_test_shared.so): Link in tls_test_c_pic.o.
1438         (tls_test_c_pic_ie.o): New target.
1439         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
1440         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
1441         (tls_test_c.o): New target.
1442         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
1443         (tls_pic_test_LDADD): Likewise.
1444         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
1445         (tls_shared_gd_to_ie_test_LDADD): Likewise.
1446         (tls_test_c_gnu2.o): New target.
1447         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
1448         tls_test_c_gnu2.o.
1449         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
1450         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
1451         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
1452         * testsuite/tls_test.cc: Include "config.h".
1453         (t_last): Call t11_last.
1454         * testsuite/tls_test.h (t11, t11_last): Declare.
1455         * testsuite/tls_test_c.c: New file.
1456         * testsuite/tls_test_main.cc (thread_routine): Call t11.
1457         * configure.ac: Check for OpenMP support.
1458         * configure, config.in, Makefile.in: Rebuild.
1459         * testsuite/Makefile.in: Rebuild.
1460
1461 2008-04-16  Cary Coutant  <ccoutant@google.com>
1462
1463         * i386.cc (Target_i386::define_tls_base_symbol): New function.
1464         (Target_i386::tls_base_symbol_defined_): New field.
1465         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
1466         (Target_i386::Scan::global): Likewise.
1467         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
1468         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
1469         (Target_x86_64::tls_base_symbol_defined_): New field.
1470         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
1471         (Target_x86_64::Scan::global): Likewise.
1472
1473 2008-04-16  Cary Coutant  <ccoutant@google.com>
1474
1475         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
1476         (Symbol::needs_plt_entry): Allow weak undefined symbols.
1477         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
1478         building shared libraries.
1479         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
1480         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
1481         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
1482         * testsuite/Makefile.in: Rebuild.
1483         * testsuite/weak_undef.h: New file.
1484         * testsuite/weak_undef_file1.cc: Add extra test cases.
1485         * testsuite/weak_undef_file2.cc: Likewise.
1486         * testsuite/weak_undef_test.cc: Likewise.
1487
1488 2008-04-16  David S. Miller  <davem@davemloft.net>
1489
1490         * sparc.cc (Target_sparc::Scan): Change from struct to class.
1491         Add issued_non_pic_error_ field.  Declare check_non_pic.
1492         (Target_sparc::Scan::check_non_pic): New function.
1493         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
1494         (Target_sparc::Scan::global): Likewise.
1495
1496         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
1497         * configure: Rebuild.
1498
1499         * options.h (DEFINE_enable): New macro.
1500         (new_dtags): New enable option.
1501         (initfirst, interpose, loadfltr, nodefaultlib,
1502         nodelete, nodlopen, nodump): New -z options.
1503         * layout.cc (Layout:finish_dynamic_section): If new
1504         dtags enabled, emit DT_RUNPATH.  Also, emit a
1505         DT_FLAGS_1 containing any specified -z flags.
1506
1507 2008-04-16  Ian Lance Taylor  <iant@google.com>
1508
1509         * copy-relocs.cc: New file.
1510         * copy-relocs.h: New file.
1511         * reloc.cc: Remove Copy_relocs code.
1512         * reloc.h: Likewise.
1513         * reloc-types.h (struct Reloc_types) [both versions]: Add
1514         get_reloc_addend_noerror.
1515         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
1516         variants of add_global which take an addend which must be zero.
1517         * i386.cc: Include "copy-relocs.h".
1518         (class Target_i386): Change type of copy_relocs_ to variable,
1519         update initializer.
1520         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
1521         Change all callers.
1522         (Target_i386::do_finalize_sections): Change handling of
1523         copy_relocs_.
1524         * sparc.cc: Include "copy-relocs.h".
1525         (class Target_sparc): Change type of copy_relocs_ to variable,
1526         update initializer.
1527         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
1528         Change all callers.
1529         (Target_sparc::do_finalize_sections): Change handling of
1530         copy_relocs_.
1531         * x86_64.cc: Include "copy-relocs.h".
1532         (class Target_x86_64): Change type of copy_relocs_ to variable,
1533         update initializer.
1534         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
1535         class.  Change all callers.
1536         (Target_x86_64::do_finalize_sections): Change handling of
1537         copy_relocs_.
1538         * Makefile.am (CCFILES): Add copy-relocs.cc.
1539         (HFILES): Add copy-relocs.h.
1540
1541         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
1542
1543         * testsuite/script_test_4.sh: Permit leading zeroes.
1544
1545 2008-04-15  Ian Lance Taylor  <iant@google.com>
1546
1547         * script-sections.cc (Script_sections::create_segments): Use
1548         header_size_adjustment even when there is enough room for the
1549         headers.
1550         * testsuite/script_test_4.sh: New file.
1551         * testsuite/script_test_4.t: New file.
1552         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
1553         (check_DATA): Add script_test_4.stdout.
1554         (MOSTLYCLEANFILES): Likewise.
1555         (script_test_4): New target.
1556         (script_test_4.stdout): New target.
1557         * testsuite/Makefile.in: Rebuild.
1558
1559         * sparc.cc: Add definitions for Output_data_plt_sparc class
1560         constants.
1561
1562 2008-04-14  David S. Miller  <davem@davemloft.net>
1563
1564         * sparc.cc: New file.
1565         * Makefile.am (TARGETSOURCES): Add sparc.cc
1566         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
1567         * configure.tgt: Document targ_extra_size and
1568         targ_extra_big_endian.  Add entries for sparc-* and
1569         sparc64-*.
1570         * configure.ac: Handle targ_extra_size and
1571         targ_extra_big_endian.
1572         * Makefile.in: Rebuild.
1573         * configure: Likewise.
1574         * po/POTFILES.in: Likewise.
1575         * po/gold.pot: Likewise.
1576
1577 2008-04-14  Ian Lance Taylor  <iant@google.com>
1578
1579         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
1580         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
1581         in the name/type/flags to section mapping.  Don't call
1582         allocate_output_section.
1583         (Layout::choose_output_section): Change parameter from adjust_name
1584         to is_input_section.  Don't permit input sections after sections
1585         are attached to segments.  Don't call allocate_output_section.
1586         (Layout::layout_eh_frame): Call update_flags_for_input_section,
1587         not write_enable_output_section.
1588         (Layout::make_output_section): Don't push to
1589         unattached_section_list_ nor call attach_to_segment.  Call
1590         attach_section_to_segment if sections are attached.
1591         (Layout::attach_sections_to_segments): New function.
1592         (Layout::attach_section_to_segment): New function.
1593         (Layout::attach_allocated_section_to_segment): Rename from
1594         attach_to_segment.  Remove flags parameter.
1595         (Layout::allocate_output_section): Remove function.
1596         (Layout::write_enable_output_section): Remove function.
1597         * layout.h (class Layout): Update for above changes.  Add new
1598         field sections_are_attached_.
1599         * output.h (Output_section::update_flags_for_input_section): New
1600         function.
1601         * output.cc (Output_section::add_input_section): Call
1602         update_flags_for_input_section.
1603         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
1604
1605 2008-04-11  Cary Coutant  <ccoutant@google.com>
1606
1607         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
1608         thought unnecessary.
1609         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
1610
1611 2008-04-11  Ian Lance Taylor  <iant@google.com>
1612
1613         * output.h (class Output_section_data): Remove inline definition
1614         of set_addralign.
1615         * output.cc (Output_section_data::set_addralign): New function.
1616
1617 2008-04-11  Cary Coutant  <ccoutant@google.com>
1618
1619         Add support for TLS descriptors for i386 and x86_64.
1620         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
1621         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
1622         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
1623         GOT_TYPE_TLS_DESC.
1624         (Target_i386::got_mod_index_entry): Remove unnecessary code.
1625         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
1626         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
1627         relocations.
1628         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
1629         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
1630         Fix problem with initial-exec relocations.
1631         (Target_i386::Relocate::relocate_tls): Likewise.
1632         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
1633         relaxation.
1634         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
1635         support for section-plus-offset dynamic table entries.
1636         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
1637         (Output_data_dynamic::Dynamic_entry): Add support for
1638         section-plus-offset dynamic table entries.
1639         (Output_data_dynamic::Classification): Likewise.
1640         (Output_data_dynamic::classification_): Renamed offset_.
1641         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
1642         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
1643         (Target_x86_64::make_plt_section): New function.
1644         (Target_x86_64::reserve_tlsdesc_entries): New function.
1645         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
1646         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
1647         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
1648         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
1649         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
1650         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
1651         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
1652         add extra PLT entry for TLS descriptors.
1653         (Output_data_plt_x86_64::got_): New field.
1654         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
1655         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
1656         fields.
1657         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
1658         descriptors.
1659         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
1660         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
1661         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
1662         R_386_TLS_DESC_CALL relocations.
1663         (Target_x86_64::Scan::global): Likewise.
1664         (Target_x86_64::do_finalize_sections): Add dynamic table entries
1665         for TLS descriptors.
1666         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
1667         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
1668         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
1669         GD-to-IE relaxation.
1670         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
1671         and TLS_DESCRIPTORS.
1672         * Makefile.in: Rebuild.
1673         * configure: Rebuild.
1674         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
1675         (tls_test_shared2.so): New target.
1676         (tls_shared_gd_to_ie_test_SOURCES): New variable.
1677         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
1678         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
1679         (tls_shared_gd_to_ie_test_LDADD): New variable.
1680         (tls_shared_gnu2_gd_to_ie_test): New target.
1681         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
1682         New targets.
1683         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
1684         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
1685         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
1686         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
1687         (tls_shared_gnu2_test): New target.
1688         (tls_test_gnu2_shared.so): New target.
1689         (tls_shared_gnu2_test_SOURCES): New variable.
1690         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
1691         (tls_shared_gnu2_test_LDFLAGS): New variable.
1692         (tls_shared_gnu2_test_LDADD): New variable.
1693         * testsuite/Makefile.in: Rebuild.
1694         * testsuite/Makefile.
1695
1696 2008-04-11  Ian Lance Taylor  <iant@google.com>
1697
1698         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
1699         justsyms.t.
1700         * testsuite/Makefile.in: Rebuild.
1701
1702         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
1703         long.
1704         * testsuite/script_test_2.cc (main): Adjust test.
1705
1706 2008-04-11  David S. Miller  <davem@davemloft.net>
1707             Ian Lance Taylor  <iant@google.com>
1708
1709         * options.h (General_options): Add entries for '-Y' and
1710         '-relax'.
1711         * options.cc (General_options:finalize): If -Y was used, add those
1712         entries to the library path instead of the default "/lib" and
1713         "/usr/lib".
1714
1715 2008-04-11  David S. Miller  <davem@davemloft.net>
1716
1717         * testsuite/justsyms.t: Start at 0x100.
1718         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
1719         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
1720         long.
1721         * testsuite/script_test_2.cc: Adjust string and section length
1722         checks.
1723
1724 2008-04-09  Ian Lance Taylor  <iant@google.com>
1725
1726         PR gold/5996
1727         * script-sections.cc (Sections_element::allocate_to_segment): Add
1728         orphan parameter.
1729         (Output_section_definition::allocate_to_segment): Likewise.
1730         (Orphan_output_section::allocate_to_segment): Likewise.
1731         (Script_sections::attach_sections_using_phdrs_clause): Don't
1732         propagate non-PT_LOAD segments to orphan sections.
1733         * testsuite/Makefile.am (script_test_3.stdout): Generate using
1734         readelf rather than objdump.
1735         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
1736         .interp section and PT_INTERP segment are the same size.
1737         * testsuite/Makefile.in: Rebuild.
1738
1739         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
1740         aliases for symbols defined in the same object.
1741         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
1742         (weak_alias_test_SOURCES): New variable.
1743         (weak_alias_test_DEPENDENCIES): New variable.
1744         (weak_alias_test_LDFLAGS): New variable.
1745         (weak_alias_test_LDADD): New variable.
1746         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
1747         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
1748         (weak_alias_test_3.o): New target.
1749         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
1750         * testsuite/weak_alias_test_main.cc: New file.
1751         * testsuite/weak_alias_test_1.cc: New file.
1752         * testsuite/weak_alias_test_2.cc: New file.
1753         * testsuite/weak_alias_test_3.cc: New file.
1754
1755 2008-04-08  Ian Lance Taylor  <iant@google.com>
1756
1757         * options.h (class General_options): Add --noinhibit-exec option.
1758         * main.cc (main): Check --noinhibit-exec.
1759
1760         * options.h (class General_options): Define --wrap as a special
1761         option.  Add wrap_symbols_ field.
1762         (General_options::any_wrap_symbols): New function.
1763         (General_options::is_wrap_symbol): New function.
1764         * options.cc (General_options::parse_wrap): New function.
1765         (General_options::General_options): Initialize wrap_symbols_.
1766         * symtab.cc (Symbol_table::wrap_symbol): New function.
1767         (Symbol_table::add_from_object): Handle --wrap.
1768         * symtab.h (class Symbol_table): Declare wrap_symbol.
1769         * target.h (Target::wrap_char): New function.
1770         (Target::Target_info): Add wrap_char field.
1771         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
1772         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
1773         * testsuite/testfile.cc (Target_test::test_target_info):
1774         Likewise.
1775
1776         * errors.cc (Errors::undefined_symbol): Mention symbol version if
1777         there is one.
1778
1779         * layout.h (class Layout): Add added_eh_frame_data_ field.
1780         * layout.cc (Layout::Layout): Initialize new field.
1781         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
1782         output section until we find a section we merged successfully.
1783         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
1784         that the size be non-zero.
1785
1786         * merge.cc (Object_merge_map::get_output_offset): Remove inline
1787         qualifier.
1788
1789 2008-04-08  Craig Silverstein  <csilvers@google.com>
1790
1791         * configure.ac: Export new conditional variable HAVE_ZLIB.
1792         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
1793         on HAVE_ZLIB.
1794         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
1795         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
1796
1797 2008-04-07  Ian Lance Taylor  <iant@google.com>
1798
1799         * version.cc (version_string): Set to "1.5".
1800
1801         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
1802         Add issued_non_pic_error_ field.  Declare check_non_pic.
1803         (Target_x86_64::Scan::check_non_pic): New function.
1804         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
1805         (Target_x86_64::Scan::global): Likewise.
1806
1807         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
1808         addend parameter.  Change caller.  Handle merge sections.
1809         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
1810         Address to Addend.  Don't add in the result of
1811         local_section_offset, pass down the addend and use the returned
1812         value.
1813         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
1814         Update declarations of local_section_offset and symbol_value.
1815         * testsuite/two_file_test_1.cc (t18): New function.
1816         * testsuite/two_file_test_2.cc (f18): New function.
1817         * testsuite/two_file_test_main.cc (main): Call t18.
1818         * testsuite/two_file_test.h (t18, f18): Declare.
1819
1820         * configure.ac: Don't test for objdump, c++filt, or readelf.
1821         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
1822         conditionals.
1823         (TEST_READELF): New variable.
1824         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
1825         (check_PROGRAMS): Add two_file_strip_test.
1826         (two_file_strip_test): New target.
1827         (check_PROGRAMS): Add two_file_same_shared_strip_test.
1828         (two_file_same_shared_strip_test_SOURCES): New variable.
1829         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
1830         (two_file_same_shared_strip_test_LDFLAGS): New variable.
1831         (two_file_same_shared_strip_test_LDADD): New variable.
1832         (two_file_shared_strip.so): New target.
1833         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
1834         (ver_test_5.syms, ver_test_7.syms): Likewise.
1835         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
1836         (strip_test_3.stdout): Use TEST_OBJDUMP.
1837         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
1838
1839 2008-04-04  Cary Coutant  <ccoutant@google.com>
1840
1841         * symtab.h (Symbol::is_weak_undefined): New function.
1842         (Symbol::is_strong_undefined): New function.
1843         (Symbol::is_absolute): New function.
1844         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
1845         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
1846         absolute symbols.
1847         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
1848         (weak_undef_test): New target.
1849         * testsuite/Makefile.in: Rebuild.
1850         * testsuite/weak_undef_file1.cc: New file.
1851         * testsuite/weak_undef_file2.cc: New file.
1852         * testsuite/weak_undef_test.cc: New file.
1853
1854 2008-04-03  Craig Silverstein  <csilvers@google.com>
1855
1856         * compressed_output.h (class Output_compressed_section): Use
1857         unsigned buffer.
1858         * compressed_output.cc (zlib_compress): Use unsigned buffers,
1859         add zlib header.
1860         (zlib_compressed_suffix): Removed.
1861         (Output_compressed_section::set_final_data_size): Use unsigned
1862         buffers.
1863         * testsuite/Makefile.am (flagstest_compress_debug_sections):
1864         Fix linker invocation.
1865         (flagstest_o_specialfile_and_compress_debug_sections):
1866         Likewise.
1867         * testsuite/Makefile.in: Regenerated.
1868
1869 2008-04-02  David S. Miller  <davem@davemloft.net>
1870
1871         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
1872         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
1873
1874 2008-04-02  Craig Silverstein  <csilvers@google.com>
1875
1876         * TODO: New file.
1877
1878 2008-04-02  Ian Lance Taylor  <iant@google.com>
1879
1880         * fileread.cc (File_read::find_view): Add byteshift and vshifted
1881         parameters.  Update for new key type to views_.  Change all
1882         callers.
1883         (File_read::read): Adjust for byteshift in returned view.
1884         (File_read::add_view): New function, broken out of
1885         find_and_make_view.
1886         (File_read::make_view): New function, broken out of
1887         find_and_make_view.
1888         (File_read::find_or_make_view): Add offset and aligned
1889         parameters.  Rewrite accordingly.  Change all callers.
1890         (File_read::get_view): Add offset and aligned parameters.  Adjust
1891         for byteshift in return value.
1892         (File_read::get_lasting_view): Likewise.
1893         * fileread.h (class File_read): Update declarations.
1894         (class File_read::View): Add byteshift_ field.  Add byteshift to
1895         constructor.  Add byteshift method.
1896         * archive.h (Archive::clear_uncached_views): New function.
1897         (Archive::get_view): Add aligned parameter.  Change all callers.
1898         * object.h (Object::get_view): Add aligned parameter.  Change all
1899         callers.
1900         (Object::get_lasting_view): Likewise.
1901
1902         * fileread.cc (File_read::release): Don't call clear_views if
1903         there are multiple objects.
1904         * fileread.h (File_read::clear_uncached_views): New function.
1905         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
1906         on the archive.
1907
1908 2008-03-31  Cary Coutant  <ccoutant@google.com>
1909
1910         Add thin archive support.
1911         * archive.cc (Archive::armagt): New const.
1912         (Archive::setup): Remove task parameter and calls to unlock.
1913         (Archive::unlock_nested_archives): New function.
1914         (Archive::read_header): Add nested_off parameter. Change
1915         all callers.
1916         (Archive::interpret_header): Likewise.
1917         (Archive::include_all_members): Change to handle thin
1918         archives.
1919         (Archive::include_member): Likewise.
1920         * archive.h (Archive::Archive): Add new parameters and
1921         initializers.
1922         (Archive::armagt): New const.
1923         (Archive::setup): Remove task parameter.
1924         (Archive::unlock_nested_archives): New function.
1925         (Archive::read_header): Add nested_off parameter.
1926         (Archive::interpret_header): Likewise.
1927         (Archive::Nested_archive_table): New typedef.
1928         (Archive::is_thin_archive_): New field.
1929         (Archive::nested_archives_): New field.
1930         (Archive::options_): New field.
1931         (Archive::dirpath_): New field.
1932         (Archive::task_): New field.
1933         * readsyms.cc (Read_symbols::do_read_symbols): Add check
1934         for thin archives.  Pass additional parameters to
1935         Archive::Archive.  Unlock the archive file after calling
1936         Archive::setup.
1937         
1938 2008-03-29  Ian Lance Taylor  <iant@google.com>
1939
1940         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
1941         version symbol to be local.
1942         * testsuite/ver_test_4.sh: New file.
1943         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
1944         (check_DATA): Add ver_test_4.syms.
1945         (ver_test_4.syms): New target.
1946         * testsuite/Makefile.in: Rebuild.
1947
1948         * output.cc
1949         (Output_section::Input_section_sort_entry::has_priority): New
1950         function.
1951         (Output_section::Input_section_sort_entry::match_file_name): New
1952         function.
1953         (Output_section::Input_section_sort_entry::match_section_name):
1954         Remove.
1955         (Output_section::Input_section_sort_entry::match_section_name_prefix):
1956         Remove.
1957         (Output_section::Input_section_sort_entry::match_section_file):
1958         Remove.
1959         (Output_section::Input_section_sort_compare::operator()): Rewrite
1960         using new Input_section_sort_entry functions.  Sort crtbegin and
1961         crtend first.  Sort sections with no priority before sections with
1962         a priority.
1963         * testsuite/initpri1.c (d3): Check j != 4.
1964         (cd5): New constructor/destructor function.
1965         (main): Check j != 2.
1966
1967         * symtab.cc (Symbol_table::add_from_object): If we don't use the
1968         new symbol when resolving, don't call set_is_default.
1969         * testsuite/ver_test_7.cc: New file.
1970         * testsuite/ver_test_7.sh: New file.
1971         * testsuite/Makefile.am (ver_test_7.so): New target.
1972         (ver_test_7.o): New target.
1973         (check_SCRIPTS): Add ver_test_7.sh.
1974         (check_DATA): Add ver_test_7.syms.
1975         (ver_test_7.syms): New target.
1976
1977 2008-03-28  Ian Lance Taylor  <iant@google.com>
1978
1979         * layout.cc (Layout::layout): If we see an input section with a
1980         name that needs sorting, set the must_sort flag for the output
1981         section.
1982         (Layout::make_output_section): If the name of the output section
1983         indicates that it might require sorting, set the may_sort flag.
1984         * output.h (Output_section::may_sort_attached_input_sections): New
1985         function.
1986         (Output_section::set_may_sort_attached_input_sections): New
1987         function.
1988         (Output_section::must_sort_attached_input_sections): New
1989         function.
1990         (Output_section::set_must_sort_attached_input_sections): New
1991         function.
1992         (class Output_section): Declare Input_section_sort_entry.  Define
1993         Input_section_sort_compare.  Declare
1994         sort_attached_input_sections.  Add new fields:
1995         may_sort_attached_input_sections_,
1996         must_sort_attached_input_sections_,
1997         attached_input_sections_are_sorted_.
1998         * output.cc (Output_section::Output_section): Initialize new
1999         fields.
2000         (Output_section::add_input_section): Add an entry to
2001         input_sections_ if may_sort or must_sort are true.
2002         (Output_section::set_final_data_size): Call
2003         sort_attached_input_sections if necessary.
2004         (Output_section::Input_section_sort_entry): Define new class.
2005         (Output_section::Input_section_sort_compare::operator()): New
2006         function.
2007         (Output_section::sort_attached_input_sections): New function.
2008         * configure.ac: Check whether the compiler supports constructor
2009         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
2010         * testsuite/initpri1.c: New file.
2011         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
2012         CONSTRUCTOR_PRIORITY.
2013         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
2014         (initpri1_LDFLAGS): New variable.
2015         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
2016
2017 2008-03-27  Ian Lance Taylor  <iant@google.com>
2018
2019         * common.cc (Sort_commons::operator): Correct sorting algorithm.
2020         * testsuite/common_test_1.c: New file.
2021         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
2022         (common_test_1_SOURCES): New variable.
2023         (common_test_1_DEPENDENCIES): New variable.
2024         (common_test_1_LDFLAGS): New variable.
2025
2026         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
2027         and commons_ correctly when NAME/VERSION does not override
2028         NAME/NULL.
2029         * testsuite/ver_test_6.c: New file.
2030         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
2031         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
2032         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
2033
2034 2008-03-26  Ian Lance Taylor  <iant@google.com>
2035
2036         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
2037         of an undefined symbol from a version script.
2038         * testsuite/Makefile.am (ver_test_5.so): New target.
2039         (ver_test_5.o): New target.
2040         (check_SCRIPTS): Add ver_test_5.sh.
2041         (check_DATA): Add ver_test_5.syms.
2042         (ver_test_5.syms): New target.
2043         * testsuite/ver_test_5.cc: New file.
2044         * testsuite/ver_test_5.script: New file.
2045         * testsuite/ver_test_5.sh: New file.
2046         * Makefile.in, testsuite/Makefile.in: Rebuild.
2047
2048         PR gold/5986
2049         Fix problems building gold with gcc 4.3.0.
2050         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
2051         (gold_error_at_location, gold_warning_at_location): Use it.
2052         * configure.ac: Check whether we can compile and use a template
2053         function with a printf attribute.
2054         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
2055         when jumping over bytes.
2056         * object.cc: Instantiate Object::read_section_data.
2057         * debug.h: Include <cstring>
2058         * dwarf_reader.cc: Include <algorithm>
2059         * main.cc: Include <cstring>.
2060         * options.cc: Include <cstring>.
2061         * output.cc: Include <cstring>.
2062         * script.cc: Include <cstring>.
2063         * script.h: Include <string>.
2064         * symtab.cc: Include <cstring> and <algorithm>.
2065         * target-select.cc: Include <cstring>.
2066         * version.cc: Include <string>.
2067         * testsuite/testmain.cc: Include <cstdlib>.
2068         * configure, config.in: Rebuild.
2069
2070 2008-03-25  Ian Lance Taylor  <iant@google.com>
2071
2072         * options.cc: Include "../bfd/bfdver.h".
2073         (options::help): Print bug reporting address.
2074
2075         * version.cc (print_version): Adjust output for current value of
2076         BFD_VERSION_STRING.
2077
2078         * NEWS: New file.
2079
2080         * options.cc (options::help): Print list of supported targets.
2081         * target-select.h: Include <vector>.
2082         (class Target_selector): Make machine_, size_, and is_big_endian_
2083         fields const.  Add bfd_name_ and instantiated_target_ fields.
2084         (Target_selector::Target_selector): Add bfd_name parameter.
2085         (Target_selector::recognize): Make non-virtual, call
2086         do_recognize.
2087         (Target_selector::recognize_by_name): Make non-virtual, call
2088         do_recognize_by_name.
2089         (Target_selector::supported_names): New function.
2090         (Target_selector::bfd_name): New function.
2091         (Target_selector::do_instantiate_target): New pure virtual
2092         function.
2093         (Target_selector::do_recognize): New virtual function.
2094         (Target_selector::do_recognize_by_name): New virtual function.
2095         (Target_selector::instantiate_target): New private function.
2096         (supported_target_names): Declare.
2097         * target-select.cc (Target_selector::Target_selector): Update for
2098         new parameter and fields.
2099         (select_target_by_name): Check that the name matches before
2100         calling recognize_by_name.
2101         (supported_target_names): New function.
2102         * i386.cc (class Target_selector_i386): Update Target_selector
2103         constructor call.  Remove recognize and recognize_by_name.  Add
2104         do_instantiate_target.
2105         * x86_64.cc (class Target_selector_x86_64): Likewise.
2106         * testsuite/testfile.cc (class Target_selector_test): Update for
2107         changes to Target_selector.
2108
2109         * README: Rewrite, with some notes on unsupported features.
2110
2111 2008-03-24  Cary Coutant  <ccoutant@google.com>
2112
2113         * i386.cc (Target_i386::Got_type): New enum declaration.
2114         (Target_i386::Scan::local): Updated callers of Output_data_got
2115         member functions.
2116         (Target_i386::Scan::global): Likewise.
2117         (Target_i386::Relocate::relocate): Likewise.
2118         (Target_i386::Relocate::relocate_tls): Likewise.
2119         * object.h (Got_offset_list): New class.
2120         (Sized_relobj::local_has_got_offset): Added got_type parameter.
2121         (Sized_relobj::local_got_offset): Likewise.
2122         (Sized_relobj::set_local_got_offset): Likewise.
2123         (Sized_relobj::local_has_tls_got_offset): Removed.
2124         (Sized_relobj::local_tls_got_offset): Removed.
2125         (Sized_relobj::set_local_tls_got_offset): Removed.
2126         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
2127         * output.cc (Output_data_got::add_global): Added got_type parameter.
2128         (Output_data_got::add_global_with_rel): Likewise.
2129         (Output_data_got::add_global_with_rela): Likewise.
2130         (Output_data_got::add_global_pair_with_rel): New function.
2131         (Output_data_got::add_global_pair_with_rela): New function.
2132         (Output_data_got::add_local): Added got_type parameter.
2133         (Output_data_got::add_local_with_rel): Likewise.
2134         (Output_data_got::add_local_with_rela): Likewise.
2135         (Output_data_got::add_local_pair_with_rel): New function.
2136         (Output_data_got::add_local_pair_with_rela): New function.
2137         (Output_data_got::add_global_tls): Removed.
2138         (Output_data_got::add_global_tls_with_rel): Removed.
2139         (Output_data_got::add_global_tls_with_rela): Removed.
2140         (Output_data_got::add_local_tls): Removed.
2141         (Output_data_got::add_local_tls_with_rel): Removed.
2142         (Output_data_got::add_local_tls_with_rela): Removed.
2143         * output.h (Output_data_got::add_global): Added got_type parameter.
2144         (Output_data_got::add_global_with_rel): Likewise.
2145         (Output_data_got::add_global_with_rela): Likewise.
2146         (Output_data_got::add_global_pair_with_rel): New function.
2147         (Output_data_got::add_global_pair_with_rela): New function.
2148         (Output_data_got::add_local): Added got_type parameter.
2149         (Output_data_got::add_local_with_rel): Likewise.
2150         (Output_data_got::add_local_with_rela): Likewise.
2151         (Output_data_got::add_local_pair_with_rel): New function.
2152         (Output_data_got::add_local_pair_with_rela): New function.
2153         (Output_data_got::add_global_tls): Removed.
2154         (Output_data_got::add_global_tls_with_rel): Removed.
2155         (Output_data_got::add_global_tls_with_rela): Removed.
2156         (Output_data_got::add_local_tls): Removed.
2157         (Output_data_got::add_local_tls_with_rel): Removed.
2158         (Output_data_got::add_local_tls_with_rela): Removed.
2159         * resolve.cc (Symbol::override_base_with_special): Removed
2160         reference to has_got_offset_ field.
2161         * symtab.cc (Symbol::init_fields): Replaced initialization
2162         of got_offset_ with got_offsets_.  Removed initialization
2163         of has_got_offset_
2164         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
2165         (Symbol::got_offset): Likewise.
2166         (Symbol::set_got_offset): Likewise.
2167         (Symbol::has_tls_got_offset): Removed.
2168         (Symbol::tls_got_offset): Removed.
2169         (Symbol::set_tls_got_offset): Removed.
2170         (Symbol::got_offset_): Removed.
2171         (Symbol::tls_mod_got_offset_): Removed.
2172         (Symbol::tls_pair_got_offset_): Removed.
2173         (Symbol::got_offsets_): New field.
2174         (Symbol::has_got_offset): Removed.
2175         (Symbol::has_tls_mod_got_offset): Removed.
2176         (Symbol::has_tls_pair_got_offset): Removed.
2177         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
2178         (Target_x86_64::Scan::local): Updated callers of Output_data_got
2179         member functions.
2180         (Target_x86_64::Scan::global): Likewise.
2181         (Target_x86_64::Relocate::relocate): Likewise.
2182         (Target_x86_64::Relocate::relocate_tls): Likewise.
2183
2184 2008-03-25  Ben Elliston  <bje@au.ibm.com>
2185
2186         * yyscript.y: Fix spelling error in comment.
2187
2188 2008-03-24  Ian Lance Taylor  <iant@google.com>
2189
2190         * options.h (class General_options): Define build_id option.
2191         * layout.h (class Layout): Declare write_build_id, create_note,
2192         create_build_id.  Add build_id_note_ member.
2193         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
2194         "libiberty.h", "md5.h", "sha1.h".
2195         (Layout::Layout): Initialize eh_frame_data_,
2196         eh_frame_hdr_section_, and build_id_note_.
2197         (Layout::finalize): Call create_build_id.
2198         (Layout::create_note): New function, broken out of
2199         Layout::create_gold_note.
2200         (Layout::create_gold_note): Call create_note.
2201         (Layout::create_build_id): New function.
2202         (Layout::write_build_id): New function.
2203         (Close_task_runner::run): Call write_build_id.
2204
2205         * x86_64.cc: Correct license to GPLv3.
2206
2207 2008-03-23  Ian Lance Taylor  <iant@google.com>
2208
2209         * options.cc: Include "demangle.h".
2210         (parse_optional_string): New function.
2211         (parse_long_option): Handle takes_optional_argument.
2212         (parse_short_option): Update dash_z initializer.  Handle
2213         takes_optional_argument.
2214         (General_options::General_options): Initialize do_demangle_.
2215         (General_options::finalize): Set do_demangle_.  Handle demangling
2216         style.
2217         * options.h (parse_optional_string): Declare.
2218         (struct One_option): Add optional_arg field.  Update constructor.
2219         Update call constructor calls.  Add takes_optional_argument
2220         function.
2221         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
2222         (DEFINE_optional_string): Define.
2223         (General_options::demangle): Change from DEFINE_bool to
2224         DEFINE_optional_string.
2225         (General_options::no_demangle): New function.
2226         (General_options::do_demangle): New function.
2227         (General_options::set_do_demangle): New function.
2228         (General_options::execstack_status_): Move definition to end of
2229         class definition.
2230         (General_options::static_): Likewise.
2231         (General_options::do_demangle_): New field.
2232         * object.cc (big_endian>::get_symbol_location_info): Call
2233         Options::do_demangle, not Options::demangle.
2234         * symtab.cc (demangle): Likewise.
2235
2236 2008-03-22  Ian Lance Taylor  <iant@google.com>
2237
2238         * gold.h: Include <cstddef> and <sys/types.h>
2239         * options.h: Include <cstring>.
2240
2241 2008-03-21  Ian Lance Taylor  <iant@google.com>
2242
2243         * Added source code to GNU binutils.
2244