| blob | 6b1a4f6762d0e3e8181055f5a23c4e2c1c84c3f3 |
1 2008-09-19 Cary Coutant <ccoutant@google.com>
3 Add plugin functionality for link-time optimization (LTO).
4 * configure.ac (plugins): Add --enable-plugins option.
5 * configure: Regenerate.
6 * config.in: Regenerate.
7 * Makefile.am (LIBDL): New variable.
8 (CCFILES): Add plugin.cc.
9 (HFILES): Add plugin.h.
10 (ldadd_var): Add LIBDL.
11 * Makefile.in: Regenerate.
13 * archive.cc: Include "plugin.h".
14 (Archive::setup): Don't preread archive symbols when using a plugin.
15 (Archive::get_file_and_offset): Add memsize parameter. Change callers.
16 (Archive::get_elf_object_for_member): Call plugin hooks for claiming
17 files.
18 (Archive::include_member): Add symbols from plugin objects.
19 * archive.h (Archive::get_file_and_offset): Add memsize parameter.
20 * descriptors.cc (Descriptors::open): Check for file descriptors
21 abandoned by plugins.
22 (Descriptors::claim_for_plugin): New function.
23 * descriptors.h (Descriptors::claim_for_plugin): New function.
24 (Open_descriptor::is_claimed): New field.
25 (claim_descriptor_for_plugin): New function.
26 * fileread.cc (File_read::claim_for_plugin): New function.
27 * fileread.h (File_read::claim_for_plugin): New function.
28 (File_read::descriptor): New function.
29 * gold.cc: Include "plugin.h".
30 (queue_initial_tasks): Add task to call plugin hooks for generating
31 new object files.
32 * main.cc: Include "plugin.h".
33 (main): Load plugin libraries.
34 * object.h (Pluginobj): Declare.
35 (Object::pluginobj): New function.
36 (Object::do_pluginobj): New function.
37 (Object::set_target): New function.
38 * options.cc: Include "plugin.h".
39 (General_options::parse_plugin): New function.
40 (General_options::General_options): Initialize plugins_ field.
41 (General_options::add_plugin): New function.
42 * options.h (Plugin_manager): Declare.
43 (General_options): Add --plugin option.
44 (General_options::has_plugins): New function.
45 (General_options::plugins): New function.
46 (General_options::add_plugin): New function.
47 (General_options::plugins_): New field.
48 * plugin.cc: New file.
49 * plugin.h: New file.
50 * readsyms.cc: Include "plugin.h".
51 (Read_symbols::do_read_symbols): Check for archive before checking
52 for ELF file. Call plugin hooks to claim files.
53 * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
54 from a real object file; force override when processing replacement
55 files.
56 * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
57 (Symbol::init_base_object): Likewise.
58 (Symbol::init_base_output_data): Likewise.
59 (Symbol::init_base_output_segment): Likewise.
60 (Symbol::init_base_constant): Likewise.
61 (Symbol::init_base_undefined): Likewise.
62 (Symbol::output_section): Assert that object is not a plugin.
63 (Symbol_table::add_from_pluginobj): New function.
64 (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
65 undefined.
66 (Symbol_table::sized_write_globals): Likewise.
67 (Symbol_table::add_from_pluginobj): Instantiate template.
68 * symtab.h (Sized_pluginobj): Declare.
69 (Symbol::in_real_elf): New function.
70 (Symbol::set_in_real_elf): New function.
71 (Symbol::in_real_elf_): New field.
72 (Symbol_table::add_from_pluginobj): New function.
74 * testsuite/Makefile.am (AM_CFLAGS): New variable.
75 (LIBDL): New variable.
76 (LDADD): Add LIBDL.
77 (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
78 (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
79 (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
80 (MOSTLYCLEANFILES): Likewise.
81 * testsuite/Makefile.in: Regenerate.
82 * testsuite/plugin_test.c: New file.
83 * testsuite/plugin_test_1.sh: New file.
84 * testsuite/plugin_test_2.sh: New file.
86 2008-09-16 Ian Lance Taylor <iant@google.com>
88 * target-reloc.h (relocate_section): Check whether a symbol is
89 defined by the ABI before reporting an undefined symbol error.
90 * target.h (Target::is_defined_by_abi): Make parameter const.
91 (Target::do_is_defined_by_abi): Likewise.
92 * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
93 * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
94 * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
95 * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
96 * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
97 * testsuite/Makefile.in: Rebuild.
99 * fileread.cc (make_view): Add casts to avoid warning.
101 2008-09-16 Alexandre Oliva <aoliva@redhat.com>
103 * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
104 * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
106 2008-09-16 Alexandre Oliva <aoliva@redhat.com>
108 * options.h (General_options::output_is_executable): New.
109 (General_options::output_is_pie): New.
110 * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
111 for shared libraries.
112 * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
114 2008-09-11 Chris Demetriou <cgd@google.com>
116 * options.h (origin): New -z option.
117 * layout.cc (Layout:finish_dynamic_section): If "-z origin"
118 is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
119 in DT_FLAGS_1.
121 2008-09-05 Cary Coutant <ccoutant@google.com>
123 * fileread.cc (File_read::make_view): Add check for attempt to map
124 beyond end of file.
126 2008-09-05 Cary Coutant <ccoutant@google.com>
128 * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
129 explicit instantiations.
131 2008-08-28 Kris Van Hees <kris.van.hees@oracle.com>
133 PR gold/6858
134 * options.cc (General_options::finalize): Allow undefined symbols
135 in shlibs if linking -shared.
137 PR gold/6859
138 * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
139 symbols as not needing a dynsym entry.
141 2008-08-20 Craig Silverstein <csilvers@google.com>
143 * fileread.cc (File_read::open): Do not lock the file unless it
144 was successfully opened.
146 2008-08-14 Cary Coutant <ccoutant@google.com>
148 * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
149 Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
150 * testsuite/tls_test.cc (struct int128): 128-bit struct
151 for testing TLS relocs with non-zero addend.
152 (v12): New TLS variable.
153 (t12): New test.
154 (t_last): Add check for v12.
155 * testsuite/tls_test.h (t12): New function.
156 * testsuite/tls_test_main.cc (thread_routine): Call new test.
158 2008-08-13 Ian Lance Taylor <iant@google.com>
160 * layout.cc (Layout::attach_allocated_section_to_segment): Don't
161 set tls_segment_ or relro_segment_.
162 (Layout::make_output_segment): Set tls_segment_ and relro_segment_
163 when appropriate.
164 * output.h (Output_section::clear_is_relro): New function.
165 * output.cc (Output_segment::add_output_section): Handle SHF_TLS
166 sections specially even when output_data_ is empty.
167 (Output_segment::maximum_alignment): When first section is relro,
168 only force alignment for PT_LOAD segments.
169 * script.cc (script_data_segment_align): New function.
170 (script_data_segment_relro_end): New function.
171 * script-c.h (script_data_segment_align): Declare.
172 (script_data_segment_relro_end): Declare.
173 * script-sections.h (class Script_sections): Declare
174 data_segment_align and data_segment_relro_end. Add fields
175 segment_align_index_ and saw_relro_end_.
176 * script-sections.cc (class Sections_element): Add set_is_relro
177 virtual function. Add new bool* parameter to place_orphan_here.
178 Add get_output_section virtual function.
179 (class Output_section_definition): Add set_is_relro. Add new
180 bool* parameter to place_orphan_here. Add get_output_section.
181 Add is_relro_ field.
182 (Output_section_definition::Output_section_definition): Initialize
183 evaluated_address_, evaluated_load_address, evaluated_addralign_,
184 and is_relro_ fields.
185 (Output_section_definition::place_orphan_here): Add is_relro
186 parameter.
187 (Output_section_definition::set_section_addresses): Set relro for
188 output section.
189 (Output_section_definition::alternate_constraint): Likewise.
190 (class Orphan_output_section): Add new bool* parameter to
191 place_orphan_here. Add get_output_section.
192 (Orphan_output_section::place_orphan_here): Add is_relro
193 parameter.
194 (Script_sections::Script_sections): Initialize
195 data_segment_align_index_ and saw_relro_end_.
196 (Script_sections::data_segment_align): New function.
197 (Script_sections::data_segment_relro_end): New function.
198 (Script_sections::place_orphan): Set or clear is_relro.
199 (Script_sections::set_section_addresses): Force alignment of first
200 TLS section.
201 * yyscript.y (exp): Call script_data_segment_align and
202 script_data_segment_relro_end.
203 * testsuite/relro_script_test.t: New file.
204 * testsuite/relro_test.cc (using_script): Declare.
205 (t1, t2): Test using_script.
206 * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
207 (relro_script_test_SOURCES): Define.
208 (relro_script_test_DEPENDENCIES): Define.
209 (relro_script_test_LDFLAGS): Define.
210 (relro_script_test_LDADD): Define.
211 (relro_script_test.so): New target.
212 * testsuite/Makefile.in: Rebuild.
214 2008-08-06 Cary Coutant <ccoutant@google.com>
216 * archive.cc (Archive::total_archives, Archive::total_members)
217 (Archive::total_members_loaded): New variables.
218 (Archive::setup): Add parameter. Add option to preread
219 archive symbols.
220 (Archive::read_armap): Add counter.
221 (Archive::get_file_and_offset): New function.
222 (Archive::get_elf_object_for_member): New function.
223 (Archive::read_all_symbols): New function.
224 (Archive::read_symbols): New function.
225 (Archive::add_symbols): Add counters.
226 (Archive::include_all_members): Use armap to find members if it's
227 already built.
228 (Archive::include_member): Skip reading symbols if already read.
229 Factored code into Archive::get_file_and_offset and
230 Archive::get_elf_object_for_member. Changed call to
231 Mapfile::report_include_archive_member.
232 (Archive::print_stats): New function.
233 * archive.h: Declare Object and Read_symbols_data classes.
234 (Archive::Archive): Add initializers for new members.
235 (Archive::setup): Add parameter.
236 (Archive::print_stats): New function.
237 (Archive::total_archives, Archive::total_members)
238 (Archive::total_members_loaded): New variables.
239 (Archive::get_file_and_offset): New function.
240 (Archive::get_elf_object_for_member): New function.
241 (Archive::read_all_symbols): New function.
242 (Archive::read_symbols): New function.
243 (Archive::Archive_member): New class.
244 (Archive::members_): New member.
245 (Archive::num_members_): New member.
246 * main.cc: Include archive.h.
247 (main): Call Archive::print_stats.
248 * mapfile.cc (Mapfile::report_include_archive_member): Delete
249 archive parameter; member_name is now the fully-decorated name.
250 * mapfile.h (Mapfile::report_include_archive_member): Likewise.
251 * options.h: (General_options): Add --preread-archive-symbols option.
252 * readsyms.cc (Read_symbols::do_read_symbols): Change call to
253 Archive::setup.
255 2008-08-04 Ian Lance Taylor <iant@google.com>
257 * symtab.h (Symbol::use_plt_offset): New function.
258 * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
259 * powerpc.cc (Relocate::relocate): Likewise.
260 * sparc.cc (Relocate::relocate): Likewise.
261 * x86_64.cc (Relocate::relocate): Likewise.
262 * testsuite/weak_plt.sh: New test.
263 * testsuite/weak_plt_main.cc: New test.
264 * testsuite/weak_plt_shared.cc: New test.
265 * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
266 (check_PROGRAMS): Add weak_plt.
267 (check_DATA): Add weak_plt_shared.so.
268 (weak_plt_main_pic.o, weak_plt): New targets.
269 (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
270 * testsuite/Makefile.in: Rebuild.
272 * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
273 gcctestdir/ld.
274 (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
275 * testsuite/Makefile.in: Rebuild.
277 2008-08-04 Alan Modra <amodra@bigpond.net.au>
279 * Makefile.am (POTFILES.in): Set LC_ALL=C.
280 * Makefile.in: Regenerate.
281 * po/POTFILES.in: Regenerate.
283 2008-07-29 Ian Lance Taylor <iant@google.com>
285 * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
286 symbols before other symbols.
287 * testsuite/script_test_2.cc (test_addr): Declare.
288 (test_addr_alias): Declare.
289 (main): Check that test_addr and test_addr_alias have the right
290 values.
291 * testsuite/script_test_2.t: Define test_addr_alias and
292 test_addr.
294 2008-07-24 Ian Lance Taylor <iant@google.com>
296 PR 5990
297 * descriptors.cc: New file.
298 * descriptors.h: New file.
299 * gold-threads.h (class Hold_optional_lock): New class.
300 * fileread.cc: Include "descriptors.h".
301 (File_read::~File_read): Release descriptor rather than closing
302 it.
303 (File_read::open) [file]: Call open_descriptor rather than open.
304 Set is_descriptor_opened_.
305 (File_read::open) [memory]: Assert that descriptor is not open.
306 (File_read::reopen_descriptor): New function.
307 (File_read::release): Release descriptor.
308 (File_read::do_read): Make non-const. Reopen descriptor.
309 (File_read::read): Make non-const.
310 (File_read::make_view): Reopen descriptor.
311 (File_read::do_readv): Likewise.
312 * fileread.h (class File_read): Add is_descriptor_opened_ field.
313 Update declarations.
314 * layout.cc: Include "descriptors.h".
315 (Layout::create_build_id): Use open_descriptor rather than open.
316 * output.cc: Include "descriptors.h".
317 (Output_file::open): Use open_descriptor rather than open.
318 * archive.cc (Archive::const_iterator): Change Archive to be
319 non-const.
320 (Archive::begin, Archive::end): Make non-const.
321 (Archive::count_members): Likewise.
322 * archive.h (class Archive): Update declarations.
323 * object.h (Object::read): Make non-const.
324 * Makefile.am (CCFILES): Add descriptors.cc.
325 (HFILES): Add descriptors.h.
326 * Makefile.in: Rebuild.
328 PR 6716
329 * gold.h: Always include <clocale>. Add Solaris workarounds
330 following code in binutils/sysdep.h.
332 PR 6048
333 * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
334 this->eh_frame_hdr_ is NULL before using it.
336 * dynobj.cc (Versions::Versions): Update comment.
338 * dynobj.cc (Versions::Versions): If there is an soname, use it as
339 the base version name.
341 * stringpool.cc (Stringpool_template::add_with_length): Set key to
342 array size plus one.
343 (Stringpool_template::set_string_offsets): Subtract one from key
344 before using it as an array index.
345 (Stringpool_template::get_offset_with_length): Likewise.
346 (Stringpool_template::write_to_buffer): Likewise.
347 * stringpool.h (Stringpool_template::get_offset_from_key):
348 Likewise.
350 2008-07-23 Ian Lance Taylor <iant@google.com>
352 PR 6658
353 * object.h (Merged_symbol_value::value): Do our best to handle a
354 negative addend.
356 PR 6647
357 * script.cc (Version_script_info::get_versions): Don't add empty
358 version tag to return value.
359 (Version_script_info::get_symbol_version_helper): Change return
360 type to bool. Add pversion parameter. Change all callers.
361 (script_register_vers_node): Don't require a non-NULL tag.
362 * script.h (class Version_script_info): Update declarations.
363 (Version_script_info::get_symbol_version): Change return type to
364 bool. Add version parameter. Change all callers.
365 * symtab.cc (Sized_symbol::add_from_relobj): Rework version
366 handling. Handle an empty version from a version script.
367 (Symbol_table::define_special_symbol): Likewise.
368 * testsuite/ver_test_10.script: New file.
369 * testsuite/ver_test_10.sh: New file.
370 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
371 (check_DATA): Add ver_test_10.syms.
372 (ver_test_10.syms, ver_test_10.so): New target.
373 * testsuite/Makefile.in: Rebuild.
375 2008-07-23 Simon Baldwin <simonb@google.com>
377 * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
378 to zero for undefined symbols from dynamic libraries.
380 2008-07-23 Ian Lance Taylor <iant@google.com>
382 * symtab.cc (Symbol_table::resolve): Remove version parameter.
383 Change all callers.
384 * symtab.h (class Symbol_table): Update declaration.
385 * testsuite/ver_test_9.cc: New file.
386 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
387 (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
388 (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
389 (ver_test_9.so, ver_test_9.o): New targets.
390 * testsuite/Makefile.in: Rebuild.
392 2008-07-22 Ian Lance Taylor <iant@google.com>
394 * options.h (class General_options): Define --check-sections.
395 * layout.cc (Layout::set_segment_offsets): Handle
396 --check-sections.
398 * options.h (class General_options): Define -n/--nmagic and
399 -N/--omagic.
400 * options.cc (General_options::finalize): For -n/--nmagic or
401 -N/--omagic, set -static.
402 * layout.cc (Layout::attach_allocated_section_to_segment): If
403 -N/--omagic, don't put read-only and read-write sections in
404 different segments.
405 (Layout::find_first_load_seg): If -N/--omagic, don't insist on
406 finding a read-only segment.
407 (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
408 don't set the minimum segment alignment to the common page size,
409 and don't set the file offset to the address modulo the page size.
410 * script-sections.cc (Script_sections::create_segments): If
411 -n/--omagic, don't put read-only and read-write sections in
412 different segments.
414 * cref.cc: New file.
415 * cref.h: New file.
416 * options.h (class General_options): Add --print-symbol-counts.
417 * main.cc (main): Issue defined symbol report if requested.
418 * archive.cc (Archive::interpret_header): Make into a const member
419 function.
420 (Archive::add_symbols): Call Input_objects::archive_start and
421 archive_stop.
422 (Archive::const_iterator): Define new class.
423 (Archive::begin, Archive::end): New functions.
424 (Archive::include_all_members): Rewrite to use iterator.
425 (Archive::count_members): New function.
426 * archive.h (class Archive): Update declarations.
427 (Archive::filename): New function.
428 * object.cc: Include "cref.h".
429 (Sized_relobj::Sized_relobj): Initialize defined_count_.
430 (Sized_relobj::do_get_global_symbol_counts): New function.
431 (Input_objects::add_object): Add object to cross-referencer.
432 (Input_objects::archive_start): New function.
433 (Input_objects::archive_stop): New function.
434 (Input_objects::print_symbol_counts): New function.
435 * object.h: Declare Cref and Archive.
436 (Object::get_global_symbol_counts): New function.
437 (Object::do_get_global_symbol_counts): New pure virtual function.
438 (class Sized_relobj): Add defined_count_ field. Update
439 declarations.
440 (class Input_objects): Add cref_ field. Update constructor.
441 Update declarations.
442 * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
443 defined_count_.
444 (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
445 symbol counts.
446 (Sized_dynobj::do_get_global_symbol_counts): New function.
447 * dynobj.h (class Sized_dynobj): Add fields symbols_ and
448 defined_count_. Update declarations. Define Symbols typedef.
449 * symtab.cc (Symbol_table::add_from_relobj): Add defined
450 parameter. Change all callers.
451 (Symbol_table::add_from_dynobj): Add sympointers and defined
452 parameters. Change all callers.
453 * symtab.h (class Symbol_table): Update declarations.
454 * Makefile.am (CCFILES): Add cref.cc.
455 (HFILES): Add cref.h.
456 * Makefile.in: Rebuild.
458 2008-07-22 Simon Baldwin <simonb@google.com>
460 * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
461 to zero when writing undefined symbols.
463 2008-07-22 Ian Lance Taylor <iant@google.com>
465 * output.cc (Output_section::add_input_section): Don't try to
466 merge empty merge sections.
468 2008-07-21 Craig Silverstein <csilvers@google.com>
470 * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
471 Include symbol version in error message.
473 2008-07-20 Chris Demetriou <cgd@google.com>
475 * configure.ac (gold_cv_c_random_seed): New configured variable.
476 (RANDOM_SEED_CFLAGS): New substituted variable.
477 * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
478 * configure: Rebuild.
479 * Makefile.in: Likewise.
480 * testsuite/Makefile.in: Likewise.
482 2008-07-18 Ian Lance Taylor <iant@google.com>
484 * symtab.cc (Symbol_table::add_from_object): Rewrite the case
485 where we see NAME/NULL and NAME/VERSION as separate symbols.
486 * testsuite/ver_test_main.cc (main): Call t4.
487 (t4, t4_2a): Define.
488 * testsuite/ver_test_2.cc (t4_2): Define.
489 * testsuite/ver_test_2.script: Put t4_2a in VER2.
490 * testsuite/ver_test_4.cc (t4_2a): Define.
491 * testsuite/ver_test_4.script: Put t4_2a in VER2.
492 * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
494 2008-07-17 Ian Lance Taylor <iant@google.com>
496 * dynobj.cc (Versions::add_def): If we give an error about a
497 missing version, go ahead and create the version anyhow.
499 2008-07-10 Ian Lance Taylor <iant@google.com>
501 Handle output sections with more than 0x7fffffff bytes.
502 * object.h (class Relobj): Change map_to_output_ to
503 output_sections_, and just keep a section pointer. Change all
504 uses. Move comdat group support to Sized_relobj.
505 (Relobj::is_section_specially_mapped): Remove.
506 (Relobj::output_section): Remove poff parameter. Change all
507 callers.
508 (Relobj::output_section_offset): New function.
509 (Relobj::set_section_offset): Rewrite.
510 (Relobj::map_to_output): Remove.
511 (Relobj::output_sections): New function.
512 (Relobj::do_output_section_offset): New pure virtual function.
513 (Relobj::do_set_section_offset): Likewise.
514 (class Sized_relobj): Add section_offsets_ field. Add comdat
515 group support from Relobj. Update declarations.
516 (Sized_relobj::get_output_section_offset): New function.
517 (Sized_relobj::do_output_section_offset): New function.
518 (Sized_relobj::do_set_section_offset): New function.
519 * object.cc (Relobj::output_section_address): Remove.
520 (Sized_relobj::Sized_relobj): Initialize new fields.
521 (Sized_relobj::include_section_group): Cast find_kept_object to
522 Sized_relobj.
523 (Sized_relobj::include_linkonce_section): Likewise.
524 (Sized_relobj::do_layout): Use separate arrays for output section
525 and output offset.
526 (Sized_relobj::do_count_local_symbols): Change map_to_output to
527 output_sections.
528 (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
529 output_sections and section_offsets.
530 (Sized_relobj::write_local_symbols): Likewise.
531 (map_to_kept_section): Compute output address directly.
532 * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
533 output_sections and section_offsets.
534 (Sized_relobj::write_sections): Likewise.
535 (Sized_relobj::relocate_sections): Likewise.
536 * symtab.cc (sized_finalize_symbol): Use output_section_offset.
537 * output.h (class Output_reloc): Update declarations. Change
538 u2_.relobj to Sized_relobj*.
539 (class Output_data_reloc): Change add functions to use
540 Sized_relobj*.
541 * output.cc (Output_reloc::Output_reloc): Change relobj to
542 Sized_relobj*.
543 (Output_reloc::local_section_offset): Change return type to
544 Elf_Addr. Use get_output_section_offset.
545 (Output_reloc::get_address): Likewise.
546 (Output_section::is_input_address_mapped): Don't call
547 is_section_specially_mapped.
548 (Output_section::output_offset): Likewise.
549 (Output_section::output_address): Likewise.
550 (Output_section::starting_output_address): Likewise.
551 * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
552 parameter to Sized_relobj*.
553 (Copy_relocs::need_copy_reloc): Likewise.
554 (Copy_relocs::save): Likewise.
555 * copy-relocs.h (class Copy_relocs): Update declarations.
556 (class Copy_relocs::Copy_reloc_entry): Change constructor to use
557 Sized_relobj*. Change relobj_ field to Sized_relobj*.
558 * target-reloc.h (relocate_for_relocatable): Change
559 offset_in_output_section type to Elf_Addr. Change code that uses
560 it as well.
561 * layout.cc (Layout::layout): Always set *off.
562 * mapfile.cc (Mapfile::print_input_section): Use
563 output_section_offset.
564 * i386.cc (Target_i386::copy_reloc): Change object parameter to
565 Sized_relobj*.
566 * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
567 * sparc.cc (Target_sparc::copy_reloc): Likewise.
568 * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
570 2008-07-03 Ian Lance Taylor <iant@google.com>
572 * layout.cc (Layout::include_section): Do not discard unrecognized
573 SHT_STRTAB sections.
575 2008-06-30 Craig Silverstein <csilvers@cs.stanford.edu>
577 * script.cc (Lex::can_continue_name): Make '?' allowable in
578 version-script names.
579 * testsuite/version_script.map: Change glob pattern to use '?'
581 2008-06-30 Manish Singh <yosh@gimp.org>
583 PR 6585
584 * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
585 Correct typo.
587 2008-06-30 Ian Lance Taylor <iant@google.com>
589 PR 6660
590 PR 6682
591 * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
592 versions]: Don't try to read the value in the contents, since we
593 don't use it. Use the template endianness when writing.
595 2008-06-25 Cary Coutant <ccoutant@google.com>
597 * fileread.cc (File_read::make_view): Assert on zero-length view.
598 * object.cc (Sized_relobj::do_read_symbols): Don't try to read
599 symbol table when there are no symbols to read.
601 2008-06-23 Craig Silverstein <csilvers@google.com>
603 * version.cc (version_string): Bump to 1.7
605 2008-06-18 Craig Silverstein <csilvers@google.com>
607 * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
608 constant 0xFFFF to type Valtype.
609 (Powerpc_relocate_functions::rel16_ha): Likewise.
611 2008-06-17 Ian Lance Taylor <iant@google.com>
613 * output.h (Output_section::Input_section): Initialize p2align_ to
614 zero for Output_section_data constructors.
615 (Output_section::Input_section::addralign): If not an input
616 section, return the alignment of the Output_section_data.
617 * testsuite/copy_test.cc: New file.
618 * testsuite/copy_test_1.cc: New file.
619 * testsuite/copy_test_2.cc: New file.
620 * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
621 (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
622 (copy_test_LDFLAGS, copy_test_LDADD): New variables.
623 (copy_test_1_pic.o, copy_test_1.so): New targets.
624 (copy_test_2_pic.o, copy_test_2.so): New targets.
625 * testsuite/Makefile.in: Rebuild.
627 * script-sections.cc (Script_sections::place_orphan): Initialize
628 local variable exact.
630 2008-06-13 David Edelsohn <edelsohn@gnu.org>
632 * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
634 2008-06-12 David Edelsohn <edelsohn@gnu.org>
635 David S. Miller <davem@davemloft.net>
637 * powerpc.cc: New file.
638 * Makefile.am (TARGETSOURCES): Add powerpc.cc
639 (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
640 * configure.tgt: Add entries for powerpc-* and powerpc64-*.
641 * Makefile.in: Rebuild.
643 2008-06-09 Ian Lance Taylor <iant@google.com>
645 * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
646 <exception>.
647 (throwing, orig_terminate): New static variables.
648 (terminate_handler): New static function.
649 (t2): Set terminate handler.
651 2008-06-05 Kris Van Hees <kris.van.hees@oracle.com>
653 PR 6584
654 * binary.cc (Binary_to_elf::sized_convert): Fix .data
655 alignment.
657 2008-05-30 Cary Coutant <ccoutant@google.com>
659 * archive.cc (Archive::include_all_members) Correct to step
660 over symbol table and extended name table in thin archives.
662 2008-05-29 Kris Van Hees <kris.van.hees@oracle.com>
664 PR 6407
665 * target-reloc.h (relocate_for_relocatable): Fix new_offset
666 calculation.
668 2008-05-28 Caleb Howe <cshowe@google.com>
670 * reduced_debug_output.cc: New file.
671 * reduced_debug_output.h: New file.
672 * options.h (class General_options): Add --strip-debug-non-line.
673 * options.cc (General_options::finalize): Add strip_debug_non_line
674 to the strip heirarchy.
675 * layout.h (class Layout): Add debug_abbrev_ and debug_info_
676 fields.
677 * layout.cc: Include "reduced_debug_output.h".
678 (Layout::Layout): Initialize new fields.
679 (line_only_debug_sections): New static array.
680 (is_lines_only_debug_sections): New static inline function.
681 (Layout::include_section): Handle --strip-debug-non-line.
682 (Layout::make_output_section): If --strip-debug-non-line, build
683 new output sections for .debug_abbrev and .debug_info.
684 * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
685 gold. Warn about possible overflow.
686 (read_signed_LEB_128): Likewise.
687 * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
688 (read_signed_LEB_128): Declare.
689 * Makefile.am (CCFILES): Add reduced_debug_output.cc.
690 (HFILES): Add reduced_debug_output.h.
691 * Makefile.in: Rebuild.
693 2008-05-21 Ian Lance Taylor <iant@google.com>
695 * mapfile.cc: New file.
696 * mapfile.h: New file.
697 * options.h (class General_options): Add -M/--print-map and -Map.
698 * options.cc (General_options::finalize): Make -M equivalent to
699 -Map -.
700 * main.cc: Include <cstdio> and "mapfile.h".
701 (main): Open mapfile if requested.
702 * gold.cc (class Middle_runner): Add mapfile_ field. Update
703 constructor. Change caller.
704 (queue_initial_tasks): Add mapfile parameter. Change caller.
705 (queue_middle_tasks): Likewise.
706 * gold.h (queue_initial_tasks, queue_middle_tasks): Update
707 declarations.
708 * archive.cc: Include "mapfile.h".
709 (Archive::add_symbols): Add mapfile parameter. Change all
710 callers. Pass mapfile, symbol, and reason to include_member.
711 (Archive::include_all_members): Add mapfile parameter. Change all
712 callers.
713 (Archive::include_member): Add mapfile, sym, and why parameters.
714 Change all callers. Report inclusion to map file.
715 * archive.h: Include "fileread.h".
716 (class Archive): Update declarations.
717 (Archive::file): New const method.
718 (class Add_archive_symbols): Add mapfile_ field. Update
719 constructor. Change all callers.
720 * readsyms.h (class Read_symbols): Likewise.
721 (class Finish_group): Likewise.
722 (class Read_script): Likewise.
723 * common.cc: Include "mapfile.h".
724 (Symbol_table::allocate_commons): Add mapfile parameter. Change
725 all callers.
726 (Symbol_table::do_allocate_commons): Likewise.
727 (Symbol_table::do_allocate_commons_list): Likewise. Report common
728 symbol allocation to mapfile.
729 * common.h (class Allocate_commons_task): Add mapfile_ field.
730 Update constructor. Change all callers.
731 * symtab.h (class Symbol_table): Update declarations.
732 * layout.cc: Include "mapfile.h".
733 (Layout_task_runner::run): Print information to mapfile.
734 (Layout::create_gold_note): Change Output_data_fixed_space to
735 Output_data_zero_fill.
736 (Layout::create_build_id): Likewise.
737 (Layout::print_to_mapfile): New function.
738 * layout.h (class Layout_task_runner): Add mapfile_ field. Update
739 constructor. Change caller.
740 (class Layout): Declare print_to_mapfile.
741 * output.cc (Output_section::Input_section::print_to_mapfile): New
742 function.
743 (Output_section::add_input_section): If producing a map, always
744 add to input_sections_ list.
745 (Output_section::do_print_to_mapfile): New function.
746 (Output_segment::print_sections_to_mapfile): New function.
747 (Output_segment::print_section_list_to_mapfile): New function.
748 * output.h: Include "mapfile.h".
749 (Output_data::print_to_mapfile): New function.
750 (Output_data::do_print_to_mapfile): New virtual function.
751 (Output_segment_headers::do_print_to_mapfile): New function.
752 (Output_file_header::do_print_to_mapfile): New function.
753 (Output_data_const::do_print_to_mapfile): New function.
754 (class Output_data_const_buffer): Add map_name_ field. Update
755 constructor. Change all callers. Add do_print_to_mapfile
756 function.
757 (class Output_data_fixed_space): Likewise.
758 (class Output_data_space): Likewise.
759 (class Output_data_zero_fill): New class.
760 (Output_data_strtab::do_print_to_mapfile): New function.
761 (Output_data_reloc_base::do_print_to_mapfile): New function.
762 (Output_relocatable_relocs::do_print_to_mapfile): New function.
763 (Output_data_group::do_print_to_mapfile): New function.
764 (Output_data_got::do_print_to_mapfile): New function.
765 (Output_data_dynamic::do_print_to_mapfile): New function.
766 (Output_symtab_xindex::do_print_to_mapfile): New function.
767 (class Output_section): Declare do_print_to_mapflie. Declare
768 print_to_mapfile in Input_section.
769 (class Output_segment): Declare new functions.
770 * object.h (Sized_relobj::symbol_count): New function.
771 * script-sections.cc
772 (Output_section_element_dot_assignment::set_section_addresses):
773 Change Output_data_fixed_space to Output_data_zero_fill.
774 (Output_data_expression::do_print_to_mapfile): New function.
775 * script.cc (read_input_script): Add mapfile parameter. Change
776 all callers.
777 * script.h (read_input_script): Update declaration.
778 * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
779 (Eh_frame::do_print_to_mapfile): New function.
780 * merge.h (Output_merge_data::do_print_to_mapfile): New function.
781 (Output_merge_string::do_print_to_mapfile): New function.
782 * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
783 function.
784 * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
785 function.
786 * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
787 function.
788 * Makefile.am (CCFILES): Add mapfile.cc.
789 (HFILES): Add mapfile.h.
790 * Makefile.in: Rebuild.
792 2008-05-19 Ian Lance Taylor <iant@google.com>
794 * options.h (class General_options): Add -z relro.
795 * layout.cc (Layout::Layout): Initialize relro_segment_.
796 (Layout::add_output_section_data): Return the output section.
797 (Layout::make_output_section): Rcognize relro sections and mark
798 them appropriately.
799 (Layout::attach_allocated_section_to_segment): Put relro sections
800 in a PT_GNU_RELRO segment.
801 (Layout::create_initial_dynamic_sections): Mark the .dynamic
802 section as relro.
803 (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
804 PT_TLS segments.
805 (Layout::linkonce_mapping): Map d.rel.ro.local to
806 .data.rel.ro.local.
807 (Layout::output_section_name): Us .data.rel.ro.local for any
808 section which begins with that.
809 * layout.h (class Layout): Update add_output_section_data
810 declaration. Add relro_segment_ field.
811 * output.cc (Output_section::Output_section): Initialize is_relro_
812 and is_relro_local_ fields.
813 (Output_segment::add_output_section): Group relro sections.
814 (Output_segment::is_first_section_relro): New function.
815 (Output_segment::maximum_alignment): If there is a relro section,
816 align the segment to the common page size.
817 (Output_segment::set_section_addresses): Track whether we are
818 looking at relro sections. If the last section is a relro
819 section, align to the common page size.
820 (Output_segment::set_section_list_addresses): Add in_relro
821 parameter. Change all callers. Align to the page size when
822 moving from relro to non-relro section.
823 (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
824 segment.
825 * output.h (class Output_section): Add is_relro_ and
826 is_relro_local_ fields.
827 (Output_section::is_relro): New function.
828 (Output_section::set_is_relro): New function.
829 (Output_section::is_relro_local): New function.
830 (Output_section::set_is_relro_local): New function.
831 (class Output_segment): Update declarations.
832 * i386.cc (Target_i386::got_section): Mark .got section as relro.
833 * sparc.cc (Target_sparc::got_section): Likewise.
834 * x86_64.cc (Target_x86_64::got_section): Likewise.
835 * testsuite/relro_test_main.cc: New file.
836 * testsuite/relro_test.cc: New file.
837 * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
838 (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
839 (relro_test_LDFLAGS, relro_test_LDADD): New variables.
840 (relro_test.so, relro_test_pic.o): New targets.
841 * testsuite/Makefile.in: Rebuild.
843 2008-05-16 Ian Lance Taylor <iant@google.com>
845 * output.cc (Output_segment::add_output_section): Remove front
846 parameter.
847 * output.h (class Output_segment): Remove
848 add_initial_output_section and overloaded add_output_section.
849 Update declaration of remaining add_output_section.
850 * layout.cc (Layout::create_interp): Call add_output_section
851 rather than add_initial_output_section.
852 (Layout::finish_dynamic_section): Likewise.
854 * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
855 for TLS_GOTDESC and TLS_DESC_CALL. Only optimize TLS_LDO_32 if we
856 know the dynamic type.
857 * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
858 field. Initialize it in constructor.
859 (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
860 block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
861 Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
862 reloc.
864 * output.cc (Output_reloc::get_address): Change return type to
865 Elf_Addr.
866 * output.h (class Output_reloc): Update get_address declaration.
867 * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
868 for section addresses.
870 2008-05-09 Ian Lance Taylor <iant@google.com>
872 PR 6493
873 * gold.cc (gold_nomem): Use return value of write.
875 2008-05-08 Ian Lance Taylor <iant@google.com>
877 * symtab.c (Symbol::init_base_output_data): Add version
878 parameter. Change all callers.
879 (Symbol::init_base_output_segment): Likewise.
880 (Symbol::init_base_constant): Likewise.
881 (Symbol::init_base_undefined): Likewise.
882 (Sized_symbol::init_output_data): Likewise.
883 (Sized_symbol::init_output_segment): Likewise.
884 (Sized_symbol::init_constant): Likewise.
885 (Sized_symbol::init_undefined): Likewise.
886 (Symbol_table::do_define_in_output_data): If the new symbol has a
887 version, mark it as the default.
888 (Symbol_table::do_define_in_output_segment): Likewise.
889 (Symbol_table::do_define_as_constant): Likewise.
890 * symtab.h (class Symbol): Update declarations.
891 (class Sized_symbol): Likewise.
892 * resolve.cc (Symbol::override_version): New function.
893 (Symbol::override_base): Call override_version.
894 (Symbol::override_base_with_special): Likewise.
895 * testsuite/ver_script_8.script: New file.
896 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
897 (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
898 (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
899 (ver_test_8_1.so, ver_test_8_2.so): New targets.
901 2008-05-06 Ian Lance Taylor <iant@google.com>
903 PR 6049
904 * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
905 functions.
906 (class General_options): Remove existing --undefined, and add
907 --no-undefined instead. Add new --undefined as synonym for -u.
908 * archive.cc (Archive::add_symbols): Check whether symbol was
909 named with -u.
910 * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
911 * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
912 all uses. Add IS_UNDEFINED. Update declarations to split
913 different versions of init_base. Declare init_base_undefined.
914 (Symbol::is_defined): Handle IS_UNDEFINED.
915 (Symbol::is_undefined): Likewise.
916 (Symbol::is_weak_undefined): Call is_undefined.
917 (Symbol::is_absolute): Handle IS_CONSTANT.
918 (class Sized_symbol): Update declarations to split different
919 versions of init. Declare init_undefined.
920 (class Symbol_table): Declare new functions.
921 * symtab.cc (Symbol::init_base_object): Rename from init_base.
922 Change all callers.
923 (Symbol::init_base_output_data): Likewise.
924 (Symbol::init_base_output_segment): Likewise.
925 (Symbol::init_base_constant): Likewise.
926 (Symbol::init_base_undefined): New function.
927 (Sized_symbol::init_object): Rename from init. Change all
928 callers.
929 (Sized_symbol::init_output_data): Likewise.
930 (Sized_symbol::init_output_segment): Likewise.
931 (Sized_symbol::init_constant): Likewise.
932 (Sized_symbol::init_undefined): New function.
933 (Symbol_table::add_undefined_symbols_from_command_line): New
934 function.
935 (Symbol_table::do_add_undefined_symbols_from_command_line): New
936 function.
937 (Symbol::final_value_is_known): Handle IS_UNDEFINED.
938 (Symbol::output_section): Likewise.
939 (Symbol::set_output_section): Likewise.
940 (Symbol_table::sized_finalize_symbol): Likewise.
941 (Symbol_table::sized_write_globals): Likewise.
942 * resolve.cc (Symbol_table::should_override): Likewise.
943 (Symbol::override_base_with_special): Likewise.
945 * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
946 symbol, change it to have default visibility.
947 * testsuite/protected_1.cc: New file.
948 * testsuite/protected_2.cc: New file.
949 * testsuite/protected_3.cc: New file.
950 * testsuite/protected_main_1.cc: New file.
951 * testsuite/protected_main_2.cc: New file.
952 * testsuite/protected_main_3.cc: New file.
953 * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
954 (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
955 (protected_1_LDFLAGS, protected_1_LDADD): Define.
956 (protected_1.so): New target.
957 (protected_1_pic.o, protected_2_pic.o): New targets.
958 (protected_3_pic.o): New target.
959 (check_PROGRAMS): Add protected_2.
960 (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
961 (protected_2_LDFLAGS, protected_2_LDADD): Define.
962 * testsuite/Makefile.in: Rebuild.
964 * options.h (DEFINE_var): Add set_user_set_##varname__.
965 (DEFINE_bool_alias): New macro.
966 (class General_options): Define -Bstatic using DEFINE_bool_alias
967 rather than DEFINE_special. Add --undefined as an alias for -z
968 defs.
969 * options.cc (General_options::parse_Bstatic): Remove.
971 * options.h (class General_options): Add --fatal-warnings.
972 * main.cc (main): Implement --fatal-warnings.
973 * errors.h (Errors::warning_count): New function.
975 * options.h (class General_options): Add -Bsymbolic-functions.
976 * symtab.h (Symbol::is_preemptible): Check for
977 -Bsymbolic-functions.
979 2008-05-05 Ian Lance Taylor <iant@google.com>
981 * options.h (DEFINE_bool): For DASH_Z, create the negative option
982 as noVARNAME rather than no-VARNAME.
983 (class General_options): Add option -z combreloc.
984 * output.h (class Output_reloc) [SHT_REL]: Declare compare and
985 get_address.
986 (Output_reloc::sort_before) [SHT_REL]: New function.
987 (Output_reloc::sort_before) [SHT_RELA]: New function.
988 (class Output_data_reloc_base): Add sort_relocs_ field. Define
989 Sort_relocs_comparison.
990 (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
991 parameter. Change all callers.
992 (Output_data_reloc::Output_data_reloc) [both versions]: Add
993 sort_relocs parameter. Change all callers.
994 * output.cc (Output_reloc::get_address): New function, broken out
995 of write_rel.
996 (Output_reloc::write_rel): Call it.
997 (Output_reloc::compare): New function.
998 (Output_data_reloc_base::do_write): Optionally sort relocs.
1000 * configure.ac: If targ_extra_obj is set, link it in.
1001 * configure.tgt: Initialize all variables.
1002 (x86_64*): Set targ_extra_obj and targ_extra_size.
1003 * configure: Rebuild.
1005 * object.cc (Sized_relobj::include_section_group): Adjust section
1006 indexes read from group data. Build vector to pass to
1007 layout_group.
1008 * layout.cc (Layout::layout_group): Add flags and shndxes
1009 parameters. Remove contents parameter. Change caller. Update
1010 explicit instantiations.
1011 * layout.h (class Layout): Update layout_group declaration.
1012 * output.cc (Output_data_group::Output_data_group): Add flags and
1013 input_shndxes parameters. Remove contents parameter. Change
1014 caller.
1015 (Output_data_group::do_write): Change input_sections_ to
1016 input_shndxes_.
1017 * output.h (class Output_data_group): Update constructor
1018 declaration. Rename input_sections_ to input_shndxes_.
1019 * testsuite/many_sections_test.cc: Add template.
1021 2008-04-30 Cary Coutant <ccoutant@google.com>
1023 * target-reloc.h (relocate_section): Fix dead-pointer bug.
1025 * layout.cc (Layout::include_section): Refactored check for debug
1026 info section.
1027 (Layout::add_comdat): Add new parameters. Change type
1028 of signature parameter. Add object and shndx to signatures table.
1029 (Layout::find_kept_object): New function.
1030 * layout.h: Include <cstring>.
1031 (Layout::is_debug_info_section): New function.
1032 (Layout::add_comdat): Add new parameters.
1033 (Layout::find_kept_object): New function.
1034 (Layout::Kept_section): New struct.
1035 (Layout::Signatures): Change type of map range.
1036 * object.cc (Relobj::output_section_address): New function.
1037 (Sized_relobj::include_section_group): Add new parameters. Change
1038 calls to Layout::add_comdat. Change to build table of kept comdat
1039 groups and table mapping discarded sections to kept sections.
1040 (Sized_relobj::include_linkonce_section): Likewise. Add new parameter.
1041 (Sized_relobj::do_layout): Change calls to include_section_group and
1042 include_linkonce_section.
1043 (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
1044 value to zero when section is discarded.
1045 (Sized_relobj::map_to_kept_section): New function.
1046 * object.h (Relobj::output_section_address): New function.
1047 (Relobj::Comdat_group): New type.
1048 (Relobj::find_comdat_group): New function.
1049 (Relobj::Comdat_group_table): New type.
1050 (Relobj::Kept_comdat_section): New type.
1051 (Relobj::Kept_comdat_section_table): New type.
1052 (Relobj::add_comdat_group): New function.
1053 (Relobj::set_kept_comdat_section): New function.
1054 (Relobj::get_kept_comdat_section): New function.
1055 (Relobj::comdat_groups_): New field.
1056 (Relobj::kept_comdat_sections_): New field.
1057 (Symbol_value::input_value): Update comment.
1058 (Sized_relobj::map_to_kept_section) New function.
1059 (Sized_relobj::include_linkonce_section): Add new parameter.
1060 * target-reloc.h (Comdat_behavior): New type.
1061 (get_comdat_behavior): New function.
1062 (relocate_section): Add code to map a discarded section to the
1063 corresponding kept section when applying a relocation.
1065 2008-04-30 Craig Silverstein <csilvers@google.com>
1067 * dwarf_reader.cc (next_generation_count): New static var.
1068 (Addr2line_cache_entry): New struct.
1069 (addr2line_cache): New static var.
1070 (Dwarf_line_info::one_addr2line): Added caching.
1071 (Dwarf_line_info::clear_addr2line_cache): New function.
1072 * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
1073 cache-size parameter.
1074 (Dwarf_line_info::one_addr2line_cache): New function.
1075 * symtab.cc (Symbol_table::detect_odr_violations): Pass
1076 new cache-size argument to one_addr2line(), and clear cache.
1078 2008-04-28 Cary Coutant <ccoutant@google.com>
1080 * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
1081 R_386_PC8 relocations.
1083 2008-04-23 Ian Lance Taylor <iant@google.com>
1085 * object.cc (Sized_relobj::include_section_group): Check for
1086 invalid section group.
1088 * object.cc (make_elf_object): Correct test for 64-bit ELF file
1089 header size.
1091 * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
1092 than read for file header.
1093 * archive.cc (Archive::include_member): Likewise.
1095 2008-04-23 Paolo Bonzini <bonzini@gnu.org>
1097 * aclocal.m4: Regenerate.
1098 * configure: Regenerate.
1100 2008-04-19 Ian Lance Taylor <iant@google.com>
1102 * version.cc (version_string): Bump to 1.6.
1104 * testsuite/Makefile.am (many_sections_r_test): New target.
1105 (many_sections_r_test_SOURCES): Remove.
1106 (many_sections_r_test_DEPENDENCIES): Remove.
1107 (many_sections_r_test_LDFLAGS): Remove.
1108 (many_sections_r_test_LDADD): Remove.
1110 * object.cc (Sized_relobj::do_add_symbols): Always pass
1111 local_symbol_count_ to add_from_relobj.
1113 * testsuite/Makefile.am (many_sections_check.h): Only check one in
1114 every thousand variables.
1115 * testsuite/Makefile.in: Rebuild.
1117 * object.cc (Xindex::initialize_symtab_xindex): New function.
1118 (Xindex::read_symtab_xindex): New function.
1119 (Xindex::sym_xindex_to_shndx): New function.
1120 (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
1121 available.
1122 (Sized_relobj::do_initialize_xindex): New function.
1123 (Sized_relobj::do_read_symbols): Adjust section links.
1124 (Sized_relobj::symbol_section_and_value): Add is_ordinary
1125 parameter. Change all callers.
1126 (Sized_relobj::include_section_group): Adjust section links and
1127 symbol section indexes.
1128 (Sized_relobj::do_layout): Adjust section links.
1129 (Sized_relobj::do_count_local_symbols): Adjust section links and
1130 symbol section indexes.
1131 (Sized_relobj::do_finalize_local_symbols): Distinguish between
1132 ordinary and special symbols.
1133 (Sized_relobj::write_local_symbols): Add symtab_xindex and
1134 dynsym_xindex parameters. Change all callers. Adjust section
1135 links. Use SHN_XINDEX when needed.
1136 (Sized_relobj::get_symbol_location_info): Adjust section links.
1137 Don't get fooled by special symbols.
1138 * object.h (class Xindex): Define.
1139 (class Object): Add xindex_ parameter. Declare virtual functoin
1140 do_initialize_xindex.
1141 (Object::adjust_sym_shndx): New function.
1142 (Object::set_xindex): New protected function.
1143 (class Symbol_value): Add is_ordinary_shndx_ field.
1144 (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
1145 (Symbol_value::value): Assert ordinary section.
1146 (Symbol_value::initialize_input_to_output_map): Likewise.
1147 (Symbol_value::set_input_shndx): Add is_ordinary parameter.
1148 Change all callers.
1149 (Symbol_value::input_shndx): Add is_ordinary parameter. Change
1150 all callers.
1151 (class Sized_relobj): Update declarations.
1152 (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
1153 parameter. Change all callers.
1154 (Sized_relobj::adjust_shndx): New function.
1155 * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
1156 field.
1157 (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
1158 parameter. Change all callers. Pick up SHT_DYNSYM_SHNDX section
1159 for SHT_DYNSYM section if available. Set dynsym_shndx_ field.
1160 (Sized_dynobj::read_dynsym_section): Adjust section links.
1161 (Sized_dynobj::read_dynamic): Likewise.
1162 (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field. Adjust
1163 section links.
1164 (Sized_dynobj::do_initialize_xindex): New function.
1165 * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field. Declare
1166 do_initialize_xindex.
1167 (Sized_dynobj::adjust_shndx): New function.
1168 * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
1169 dynsym_xindex_ fields.
1170 (Layout::finalize): Add a call to set_section_indexes before
1171 creating the symtab sections.
1172 (Layout::set_section_indexes): Don't do anything if the section
1173 already has a section index.
1174 (Layout::create_symtab_sections): Add shnum parameter. Change
1175 caller. Create .symtab_shndx section if needed.
1176 (Layout::create_shdrs): Add shstrtab_section parameter. Change
1177 caller.
1178 (Layout::allocated_output_section_count): New function.
1179 (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
1180 needed.
1181 * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
1182 fields. Update declarations.
1183 (Layout::symtab_xindex): New function.
1184 (Layout::dynsym_xindex): New function.
1185 (class Write_symbols_task): Add layout_ field.
1186 (Write_symbols_task::Write_symbols_task): Add layout parameter.
1187 Change caller.
1188 * output.cc (Output_section_headers::Output_section_headers): Add
1189 shstrtab_section parameter. Change all callers.
1190 (Output_section_headers::do_sized_write): Store overflow values
1191 for section count and section string table section index in
1192 section header zero.
1193 (Output_file_header::do_sized_write): Check for overflow of
1194 section count and section string table section index.
1195 (Output_symtab_xindex::do_write): New function.
1196 (Output_symtab_xindex::endian_do_write): New function.
1197 * output.h (class Output_section_headers): Add shstrtab_section_.
1198 Update declarations.
1199 (class Output_symtab_xindex): Define.
1200 (Output_section::has_out_shndx): New function.
1201 * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
1202 field.
1203 (Symbol::init_base): Add st_shndx and is_ordinary parameters.
1204 Change all callers.
1205 (Sized_symbol::init): Likewise.
1206 (Symbol::output_section): Check for ordinary symbol.
1207 (Symbol_table::add_from_object): Remove orig_sym parameter. Add
1208 st_shndx, is_ordinary, and orig_st_shndx parameters. Change all
1209 callers.
1210 (Symbol_table::add_from_relobj): Add symndx_offset parameter.
1211 Change all callers. Simplify handling of symbols from sections
1212 not included in the link.
1213 (Symbol_table::add_from_dynobj): Handle ordinary symbol
1214 distinction.
1215 (Weak_alias_sorter::operator()): Assert that symbols are
1216 ordinary.
1217 (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
1218 distinction.
1219 (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
1220 parameters. Change all callers.
1221 (Symbol_table::sized_write_globals): Likewise. Handle ordinary
1222 symbol distinction. Use SHN_XINDEX when needed.
1223 (Symbol_table::write_section_symbol): Add symtab_xindex
1224 parameter. Change all callers.
1225 (Symbol_table::sized_write_section_symbol): Likewise. Use
1226 SHN_XINDEX when needed.
1227 * symtab.h (class Symbol): Add is_ordinary_shndx_ field. Update
1228 declarations.
1229 (Symbol::shndx): Add is_ordinary parameter. Change all callers.
1230 (Symbol::is_defined): Check is_ordinary.
1231 (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
1232 (Symbol::is_absolute, Symbol::is_common): Likewise.
1233 (class Sized_symbol): Update declarations.
1234 (class Symbol_table): Update declarations.
1235 * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
1236 parameters. Change all callers.
1237 (Sized_symbol::override): Likewise.
1238 (Symbol_table::override): Likewise.
1239 (symbol_to_bits): Add is_ordinary parameter. Change all callers.
1240 (Symbol_table::resolve): Remove orig_sym parameter. Add st_shndx,
1241 is_ordinary, and orig_st_shndx parameters. Change all callers.
1242 * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
1243 to be in an ordinary section.
1244 * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
1245 object and is_ordinary parameters. Change all callers.
1246 (Sized_dwarf_line_info::read_relocs): Add object parameter.
1247 Change all callers. Don't add undefined or non-ordinary symbols
1248 to reloc_map_.
1249 (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
1250 Change all callers.
1251 * dwarf_reader.h (class Sized_dwarf_line_info): Update
1252 declarations.
1253 * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
1254 * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
1255 (Sized_relobj::relocate_sections): Likewise.
1256 * target-reloc.h (scan_relocs): Adjust section symbol index.
1257 (scan_relocatable_relocs): Likewise.
1258 * i386.cc (Scan::local): Check for ordinary symbols.
1259 * sparc.cc (Scan::local): Likewise.
1260 * x86_64.cc (Scan::local): Likewise.
1261 * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
1262 to symbol_section_and_value.
1263 * testsuite/many_sections_test.cc: New file.
1264 * testsuite/Makefile.am (BUILT_SOURCES): Define.
1265 (check_PROGRAMS): Add many_sections_test.
1266 (many_sections_test_SOURCES): Define.
1267 (many_sections_test_DEPENDENCIES): Define.
1268 (many_sections_test_LDFLAGS): Define.
1269 (BUILT_SOURCES): Add many_sections_define.h.
1270 (many_sections_define.h): New target.
1271 (BUILT_SOURCES): Add many_sections_check.h.
1272 (many_sections_check.h): New target.
1273 (check_PROGRAMS): Add many_sections_r_test.
1274 (many_sections_r_test_SOURCES): Define.
1275 (many_sections_r_test_DEPENDENCIES): Define.
1276 (many_sections_r_test_LDFLAGS): Define.
1277 (many_sections_r_test_LDADD): Define.
1278 (many_sections_r_test.o): New target.
1279 * testsuite/Makefile.in: Rebuild.
1281 2008-04-17 Cary Coutant <ccoutant@google.com>
1283 * errors.cc (Errors::info): New function.
1284 (gold_info): New function.
1285 * errors.h (Errors::info): New function.
1286 * gold.h (gold_info): New function.
1287 * object.cc (Input_objects::add_object): Print trace output.
1288 * options.cc (options::parse_set): New function.
1289 (General_options::parse_wrap): Deleted.
1290 (General_options::General_options): Deleted initializer.
1291 * options.h (options::String_set): New typedef.
1292 (options::parse_set): New function.
1293 (DEFINE_set): New macro.
1294 (General_options::wrap): Changed to use DEFINE_set. Changed
1295 callers of any_wrap_symbols and is_wrap_symbol.
1296 (General_options::trace, General_options::trace_symbol):
1297 New options.
1298 (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
1299 (General_options::wrap_symbols_): Deleted.
1300 * symtab.cc (Symbol_table::add_from_object): Print trace output.
1302 2008-04-17 David S. Miller <davem@davemloft.net>
1304 * options.cc (General_options::parse_V): New function.
1305 * options.h: Add entries for -V and -Qy.
1307 2008-04-17 Ian Lance Taylor <iant@google.com>
1309 * common.cc (Symbol_table::allocate_commons): Remove options
1310 parameter. Change caller.
1311 (Symbol_table::do_allocate_commons): Remove options parameter.
1312 Change caller. Just call do_allocate_commons_list twice.
1313 (Symbol_table::do_allocate_commons_list): New function, broken out
1314 of do_allocate_commons.
1315 * common.h (class Allocate_commons_task): Remove options_ field.
1316 Update constructor.
1317 * symtab.cc (Symbol_table::Symbol_table): Initialize
1318 tls_commons_.
1319 (Symbol_table::add_from_object): Put TLS common symbols on
1320 tls_commons_ list.
1321 (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
1322 which are IN_OUTPUT_DATA.
1323 * symtab.h (class Symbol_table): Add tls_commons_ field. Update
1324 allocate_commons and do_allocate_commons declarations. Declare
1325 do_allocate_commons_list.
1326 * gold.cc (queue_middle_tasks): Update creation of
1327 Allocate_commons_task to not pass options.
1328 * testsuite/Makefile.am (INCLUDES): Add -I.. .
1329 (TLS_TEST_C_FLAGS): New variable.
1330 (tls_test_c_pic.o): New target.
1331 (tls_test_shared.so): Link in tls_test_c_pic.o.
1332 (tls_test_c_pic_ie.o): New target.
1333 (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
1334 (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
1335 (tls_test_c.o): New target.
1336 (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
1337 (tls_pic_test_LDADD): Likewise.
1338 (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
1339 (tls_shared_gd_to_ie_test_LDADD): Likewise.
1340 (tls_test_c_gnu2.o): New target.
1341 (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
1342 tls_test_c_gnu2.o.
1343 (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
1344 (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
1345 (tls_test_shared_nonpic.so): Link in tls_test_c.o.
1346 * testsuite/tls_test.cc: Include "config.h".
1347 (t_last): Call t11_last.
1348 * testsuite/tls_test.h (t11, t11_last): Declare.
1349 * testsuite/tls_test_c.c: New file.
1350 * testsuite/tls_test_main.cc (thread_routine): Call t11.
1351 * configure.ac: Check for OpenMP support.
1352 * configure, config.in, Makefile.in: Rebuild.
1353 * testsuite/Makefile.in: Rebuild.
1355 2008-04-16 Cary Coutant <ccoutant@google.com>
1357 * i386.cc (Target_i386::define_tls_base_symbol): New function.
1358 (Target_i386::tls_base_symbol_defined_): New field.
1359 (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
1360 (Target_i386::Scan::global): Likewise.
1361 * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
1362 * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
1363 (Target_x86_64::tls_base_symbol_defined_): New field.
1364 (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
1365 (Target_x86_64::Scan::global): Likewise.
1367 2008-04-16 Cary Coutant <ccoutant@google.com>
1369 * symtab.h (Symbol::is_strong_undefined): Removed unused function.
1370 (Symbol::needs_plt_entry): Allow weak undefined symbols.
1371 (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
1372 building shared libraries.
1373 * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
1374 (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
1375 (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
1376 * testsuite/Makefile.in: Rebuild.
1377 * testsuite/weak_undef.h: New file.
1378 * testsuite/weak_undef_file1.cc: Add extra test cases.
1379 * testsuite/weak_undef_file2.cc: Likewise.
1380 * testsuite/weak_undef_test.cc: Likewise.
1382 2008-04-16 David S. Miller <davem@davemloft.net>
1384 * sparc.cc (Target_sparc::Scan): Change from struct to class.
1385 Add issued_non_pic_error_ field. Declare check_non_pic.
1386 (Target_sparc::Scan::check_non_pic): New function.
1387 (Target_sparc::Scan::local): Call check_non_pic as appropriate.
1388 (Target_sparc::Scan::global): Likewise.
1390 * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
1391 * configure: Rebuild.
1393 * options.h (DEFINE_enable): New macro.
1394 (new_dtags): New enable option.
1395 (initfirst, interpose, loadfltr, nodefaultlib,
1396 nodelete, nodlopen, nodump): New -z options.
1397 * layout.cc (Layout:finish_dynamic_section): If new
1398 dtags enabled, emit DT_RUNPATH. Also, emit a
1399 DT_FLAGS_1 containing any specified -z flags.
1401 2008-04-16 Ian Lance Taylor <iant@google.com>
1403 * copy-relocs.cc: New file.
1404 * copy-relocs.h: New file.
1405 * reloc.cc: Remove Copy_relocs code.
1406 * reloc.h: Likewise.
1407 * reloc-types.h (struct Reloc_types) [both versions]: Add
1408 get_reloc_addend_noerror.
1409 * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
1410 variants of add_global which take an addend which must be zero.
1411 * i386.cc: Include "copy-relocs.h".
1412 (class Target_i386): Change type of copy_relocs_ to variable,
1413 update initializer.
1414 (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
1415 Change all callers.
1416 (Target_i386::do_finalize_sections): Change handling of
1417 copy_relocs_.
1418 * sparc.cc: Include "copy-relocs.h".
1419 (class Target_sparc): Change type of copy_relocs_ to variable,
1420 update initializer.
1421 (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
1422 Change all callers.
1423 (Target_sparc::do_finalize_sections): Change handling of
1424 copy_relocs_.
1425 * x86_64.cc: Include "copy-relocs.h".
1426 (class Target_x86_64): Change type of copy_relocs_ to variable,
1427 update initializer.
1428 (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
1429 class. Change all callers.
1430 (Target_x86_64::do_finalize_sections): Change handling of
1431 copy_relocs_.
1432 * Makefile.am (CCFILES): Add copy-relocs.cc.
1433 (HFILES): Add copy-relocs.h.
1435 * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
1437 * testsuite/script_test_4.sh: Permit leading zeroes.
1439 2008-04-15 Ian Lance Taylor <iant@google.com>
1441 * script-sections.cc (Script_sections::create_segments): Use
1442 header_size_adjustment even when there is enough room for the
1443 headers.
1444 * testsuite/script_test_4.sh: New file.
1445 * testsuite/script_test_4.t: New file.
1446 * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
1447 (check_DATA): Add script_test_4.stdout.
1448 (MOSTLYCLEANFILES): Likewise.
1449 (script_test_4): New target.
1450 (script_test_4.stdout): New target.
1451 * testsuite/Makefile.in: Rebuild.
1453 * sparc.cc: Add definitions for Output_data_plt_sparc class
1454 constants.
1456 2008-04-14 David S. Miller <davem@davemloft.net>
1458 * sparc.cc: New file.
1459 * Makefile.am (TARGETSOURCES): Add sparc.cc
1460 (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
1461 * configure.tgt: Document targ_extra_size and
1462 targ_extra_big_endian. Add entries for sparc-* and
1463 sparc64-*.
1464 * configure.ac: Handle targ_extra_size and
1465 targ_extra_big_endian.
1466 * Makefile.in: Rebuild.
1467 * configure: Likewise.
1468 * po/POTFILES.in: Likewise.
1469 * po/gold.pot: Likewise.
1471 2008-04-14 Ian Lance Taylor <iant@google.com>
1473 * layout.cc (Layout::Layout): Initialize sections_are_attached_.
1474 (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
1475 in the name/type/flags to section mapping. Don't call
1476 allocate_output_section.
1477 (Layout::choose_output_section): Change parameter from adjust_name
1478 to is_input_section. Don't permit input sections after sections
1479 are attached to segments. Don't call allocate_output_section.
1480 (Layout::layout_eh_frame): Call update_flags_for_input_section,
1481 not write_enable_output_section.
1482 (Layout::make_output_section): Don't push to
1483 unattached_section_list_ nor call attach_to_segment. Call
1484 attach_section_to_segment if sections are attached.
1485 (Layout::attach_sections_to_segments): New function.
1486 (Layout::attach_section_to_segment): New function.
1487 (Layout::attach_allocated_section_to_segment): Rename from
1488 attach_to_segment. Remove flags parameter.
1489 (Layout::allocate_output_section): Remove function.
1490 (Layout::write_enable_output_section): Remove function.
1491 * layout.h (class Layout): Update for above changes. Add new
1492 field sections_are_attached_.
1493 * output.h (Output_section::update_flags_for_input_section): New
1494 function.
1495 * output.cc (Output_section::add_input_section): Call
1496 update_flags_for_input_section.
1497 * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
1499 2008-04-11 Cary Coutant <ccoutant@google.com>
1501 * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
1502 thought unnecessary.
1503 * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
1505 2008-04-11 Ian Lance Taylor <iant@google.com>
1507 * output.h (class Output_section_data): Remove inline definition
1508 of set_addralign.
1509 * output.cc (Output_section_data::set_addralign): New function.
1511 2008-04-11 Cary Coutant <ccoutant@google.com>
1513 Add support for TLS descriptors for i386 and x86_64.
1514 * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
1515 (Target_i386::Relocate::tls_desc_gd_to_le): New function.
1516 (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
1517 GOT_TYPE_TLS_DESC.
1518 (Target_i386::got_mod_index_entry): Remove unnecessary code.
1519 (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
1520 R_386_TLS_DESC_CALL relocations. Fix problem with initial-exec
1521 relocations.
1522 (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
1523 Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
1524 Fix problem with initial-exec relocations.
1525 (Target_i386::Relocate::relocate_tls): Likewise.
1526 (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
1527 relaxation.
1528 * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
1529 support for section-plus-offset dynamic table entries.
1530 * output.h (Output_data_dynamic::add_section_plus_offset): New function.
1531 (Output_data_dynamic::Dynamic_entry): Add support for
1532 section-plus-offset dynamic table entries.
1533 (Output_data_dynamic::Classification): Likewise.
1534 (Output_data_dynamic::classification_): Renamed offset_.
1535 * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
1536 (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
1537 (Target_x86_64::make_plt_section): New function.
1538 (Target_x86_64::reserve_tlsdesc_entries): New function.
1539 (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
1540 (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
1541 (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
1542 (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
1543 (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
1544 (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
1545 (Output_data_plt_x86_64::set_final_data_size): Move out of line;
1546 add extra PLT entry for TLS descriptors.
1547 (Output_data_plt_x86_64::got_): New field.
1548 (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
1549 (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
1550 fields.
1551 (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
1552 descriptors.
1553 (Target_x86_64::make_plt_entry): Factor out make_plt_section.
1554 (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
1555 (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
1556 R_386_TLS_DESC_CALL relocations.
1557 (Target_x86_64::Scan::global): Likewise.
1558 (Target_x86_64::do_finalize_sections): Add dynamic table entries
1559 for TLS descriptors.
1560 (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
1561 Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
1562 (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
1563 GD-to-IE relaxation.
1564 * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
1565 and TLS_DESCRIPTORS.
1566 * Makefile.in: Rebuild.
1567 * configure: Rebuild.
1568 * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
1569 (tls_test_shared2.so): New target.
1570 (tls_shared_gd_to_ie_test_SOURCES): New variable.
1571 (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
1572 (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
1573 (tls_shared_gd_to_ie_test_LDADD): New variable.
1574 (tls_shared_gnu2_gd_to_ie_test): New target.
1575 (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
1576 New targets.
1577 (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
1578 (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
1579 (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
1580 (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
1581 (tls_shared_gnu2_test): New target.
1582 (tls_test_gnu2_shared.so): New target.
1583 (tls_shared_gnu2_test_SOURCES): New variable.
1584 (tls_shared_gnu2_test_DEPENDENCIES): New variable.
1585 (tls_shared_gnu2_test_LDFLAGS): New variable.
1586 (tls_shared_gnu2_test_LDADD): New variable.
1587 * testsuite/Makefile.in: Rebuild.
1588 * testsuite/Makefile.
1590 2008-04-11 Ian Lance Taylor <iant@google.com>
1592 * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
1593 justsyms.t.
1594 * testsuite/Makefile.in: Rebuild.
1596 * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
1597 long.
1598 * testsuite/script_test_2.cc (main): Adjust test.
1600 2008-04-11 David S. Miller <davem@davemloft.net>
1601 Ian Lance Taylor <iant@google.com>
1603 * options.h (General_options): Add entries for '-Y' and
1604 '-relax'.
1605 * options.cc (General_options:finalize): If -Y was used, add those
1606 entries to the library path instead of the default "/lib" and
1607 "/usr/lib".
1609 2008-04-11 David S. Miller <davem@davemloft.net>
1611 * testsuite/justsyms.t: Start at 0x100.
1612 * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
1613 * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
1614 long.
1615 * testsuite/script_test_2.cc: Adjust string and section length
1616 checks.
1618 2008-04-09 Ian Lance Taylor <iant@google.com>
1620 PR gold/5996
1621 * script-sections.cc (Sections_element::allocate_to_segment): Add
1622 orphan parameter.
1623 (Output_section_definition::allocate_to_segment): Likewise.
1624 (Orphan_output_section::allocate_to_segment): Likewise.
1625 (Script_sections::attach_sections_using_phdrs_clause): Don't
1626 propagate non-PT_LOAD segments to orphan sections.
1627 * testsuite/Makefile.am (script_test_3.stdout): Generate using
1628 readelf rather than objdump.
1629 * testsuite/script_test_3.sh: Adjust accordingly. Test that
1630 .interp section and PT_INTERP segment are the same size.
1631 * testsuite/Makefile.in: Rebuild.
1633 * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
1634 aliases for symbols defined in the same object.
1635 * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
1636 (weak_alias_test_SOURCES): New variable.
1637 (weak_alias_test_DEPENDENCIES): New variable.
1638 (weak_alias_test_LDFLAGS): New variable.
1639 (weak_alias_test_LDADD): New variable.
1640 (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
1641 (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
1642 (weak_alias_test_3.o): New target.
1643 (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
1644 * testsuite/weak_alias_test_main.cc: New file.
1645 * testsuite/weak_alias_test_1.cc: New file.
1646 * testsuite/weak_alias_test_2.cc: New file.
1647 * testsuite/weak_alias_test_3.cc: New file.
1649 2008-04-08 Ian Lance Taylor <iant@google.com>
1651 * options.h (class General_options): Add --noinhibit-exec option.
1652 * main.cc (main): Check --noinhibit-exec.
1654 * options.h (class General_options): Define --wrap as a special
1655 option. Add wrap_symbols_ field.
1656 (General_options::any_wrap_symbols): New function.
1657 (General_options::is_wrap_symbol): New function.
1658 * options.cc (General_options::parse_wrap): New function.
1659 (General_options::General_options): Initialize wrap_symbols_.
1660 * symtab.cc (Symbol_table::wrap_symbol): New function.
1661 (Symbol_table::add_from_object): Handle --wrap.
1662 * symtab.h (class Symbol_table): Declare wrap_symbol.
1663 * target.h (Target::wrap_char): New function.
1664 (Target::Target_info): Add wrap_char field.
1665 * i386.cc (Target_i386::i386_info): Initialize wrap_char.
1666 * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
1667 * testsuite/testfile.cc (Target_test::test_target_info):
1668 Likewise.
1670 * errors.cc (Errors::undefined_symbol): Mention symbol version if
1671 there is one.
1673 * layout.h (class Layout): Add added_eh_frame_data_ field.
1674 * layout.cc (Layout::Layout): Initialize new field.
1675 (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
1676 output section until we find a section we merged successfully.
1677 * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
1678 that the size be non-zero.
1680 * merge.cc (Object_merge_map::get_output_offset): Remove inline
1681 qualifier.
1683 2008-04-08 Craig Silverstein <csilvers@google.com>
1685 * configure.ac: Export new conditional variable HAVE_ZLIB.
1686 * testsuite/Makefile.am (flagstest_o_specialfile): Condition
1687 on HAVE_ZLIB.
1688 (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
1689 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
1691 2008-04-07 Ian Lance Taylor <iant@google.com>
1693 * version.cc (version_string): Set to "1.5".
1695 * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
1696 Add issued_non_pic_error_ field. Declare check_non_pic.
1697 (Target_x86_64::Scan::check_non_pic): New function.
1698 (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
1699 (Target_x86_64::Scan::global): Likewise.
1701 * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
1702 addend parameter. Change caller. Handle merge sections.
1703 (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
1704 Address to Addend. Don't add in the result of
1705 local_section_offset, pass down the addend and use the returned
1706 value.
1707 * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
1708 Update declarations of local_section_offset and symbol_value.
1709 * testsuite/two_file_test_1.cc (t18): New function.
1710 * testsuite/two_file_test_2.cc (f18): New function.
1711 * testsuite/two_file_test_main.cc (main): Call t18.
1712 * testsuite/two_file_test.h (t18, f18): Declare.
1714 * configure.ac: Don't test for objdump, c++filt, or readelf.
1715 * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
1716 conditionals.
1717 (TEST_READELF): New variable.
1718 (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
1719 (check_PROGRAMS): Add two_file_strip_test.
1720 (two_file_strip_test): New target.
1721 (check_PROGRAMS): Add two_file_same_shared_strip_test.
1722 (two_file_same_shared_strip_test_SOURCES): New variable.
1723 (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
1724 (two_file_same_shared_strip_test_LDFLAGS): New variable.
1725 (two_file_same_shared_strip_test_LDADD): New variable.
1726 (two_file_shared_strip.so): New target.
1727 (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
1728 (ver_test_5.syms, ver_test_7.syms): Likewise.
1729 (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
1730 (strip_test_3.stdout): Use TEST_OBJDUMP.
1731 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
1733 2008-04-04 Cary Coutant <ccoutant@google.com>
1735 * symtab.h (Symbol::is_weak_undefined): New function.
1736 (Symbol::is_strong_undefined): New function.
1737 (Symbol::is_absolute): New function.
1738 (Symbol::needs_plt_entry): Exclude weak undefined symbols.
1739 (Symbol::needs_dynamic_reloc): Exclude weak undefined and
1740 absolute symbols.
1741 * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
1742 (weak_undef_test): New target.
1743 * testsuite/Makefile.in: Rebuild.
1744 * testsuite/weak_undef_file1.cc: New file.
1745 * testsuite/weak_undef_file2.cc: New file.
1746 * testsuite/weak_undef_test.cc: New file.
1748 2008-04-03 Craig Silverstein <csilvers@google.com>
1750 * compressed_output.h (class Output_compressed_section): Use
1751 unsigned buffer.
1752 * compressed_output.cc (zlib_compress): Use unsigned buffers,
1753 add zlib header.
1754 (zlib_compressed_suffix): Removed.
1755 (Output_compressed_section::set_final_data_size): Use unsigned
1756 buffers.
1757 * testsuite/Makefile.am (flagstest_compress_debug_sections):
1758 Fix linker invocation.
1759 (flagstest_o_specialfile_and_compress_debug_sections):
1760 Likewise.
1761 * testsuite/Makefile.in: Regenerated.
1763 2008-04-02 David S. Miller <davem@davemloft.net>
1765 * dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
1766 Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
1768 2008-04-02 Craig Silverstein <csilvers@google.com>
1770 * TODO: New file.
1772 2008-04-02 Ian Lance Taylor <iant@google.com>
1774 * fileread.cc (File_read::find_view): Add byteshift and vshifted
1775 parameters. Update for new key type to views_. Change all
1776 callers.
1777 (File_read::read): Adjust for byteshift in returned view.
1778 (File_read::add_view): New function, broken out of
1779 find_and_make_view.
1780 (File_read::make_view): New function, broken out of
1781 find_and_make_view.
1782 (File_read::find_or_make_view): Add offset and aligned
1783 parameters. Rewrite accordingly. Change all callers.
1784 (File_read::get_view): Add offset and aligned parameters. Adjust
1785 for byteshift in return value.
1786 (File_read::get_lasting_view): Likewise.
1787 * fileread.h (class File_read): Update declarations.
1788 (class File_read::View): Add byteshift_ field. Add byteshift to
1789 constructor. Add byteshift method.
1790 * archive.h (Archive::clear_uncached_views): New function.
1791 (Archive::get_view): Add aligned parameter. Change all callers.
1792 * object.h (Object::get_view): Add aligned parameter. Change all
1793 callers.
1794 (Object::get_lasting_view): Likewise.
1796 * fileread.cc (File_read::release): Don't call clear_views if
1797 there are multiple objects.
1798 * fileread.h (File_read::clear_uncached_views): New function.
1799 * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
1800 on the archive.
1802 2008-03-31 Cary Coutant <ccoutant@google.com>
1804 Add thin archive support.
1805 * archive.cc (Archive::armagt): New const.
1806 (Archive::setup): Remove task parameter and calls to unlock.
1807 (Archive::unlock_nested_archives): New function.
1808 (Archive::read_header): Add nested_off parameter. Change
1809 all callers.
1810 (Archive::interpret_header): Likewise.
1811 (Archive::include_all_members): Change to handle thin
1812 archives.
1813 (Archive::include_member): Likewise.
1814 * archive.h (Archive::Archive): Add new parameters and
1815 initializers.
1816 (Archive::armagt): New const.
1817 (Archive::setup): Remove task parameter.
1818 (Archive::unlock_nested_archives): New function.
1819 (Archive::read_header): Add nested_off parameter.
1820 (Archive::interpret_header): Likewise.
1821 (Archive::Nested_archive_table): New typedef.
1822 (Archive::is_thin_archive_): New field.
1823 (Archive::nested_archives_): New field.
1824 (Archive::options_): New field.
1825 (Archive::dirpath_): New field.
1826 (Archive::task_): New field.
1827 * readsyms.cc (Read_symbols::do_read_symbols): Add check
1828 for thin archives. Pass additional parameters to
1829 Archive::Archive. Unlock the archive file after calling
1830 Archive::setup.
1832 2008-03-29 Ian Lance Taylor <iant@google.com>
1834 * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
1835 version symbol to be local.
1836 * testsuite/ver_test_4.sh: New file.
1837 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
1838 (check_DATA): Add ver_test_4.syms.
1839 (ver_test_4.syms): New target.
1840 * testsuite/Makefile.in: Rebuild.
1842 * output.cc
1843 (Output_section::Input_section_sort_entry::has_priority): New
1844 function.
1845 (Output_section::Input_section_sort_entry::match_file_name): New
1846 function.
1847 (Output_section::Input_section_sort_entry::match_section_name):
1848 Remove.
1849 (Output_section::Input_section_sort_entry::match_section_name_prefix):
1850 Remove.
1851 (Output_section::Input_section_sort_entry::match_section_file):
1852 Remove.
1853 (Output_section::Input_section_sort_compare::operator()): Rewrite
1854 using new Input_section_sort_entry functions. Sort crtbegin and
1855 crtend first. Sort sections with no priority before sections with
1856 a priority.
1857 * testsuite/initpri1.c (d3): Check j != 4.
1858 (cd5): New constructor/destructor function.
1859 (main): Check j != 2.
1861 * symtab.cc (Symbol_table::add_from_object): If we don't use the
1862 new symbol when resolving, don't call set_is_default.
1863 * testsuite/ver_test_7.cc: New file.
1864 * testsuite/ver_test_7.sh: New file.
1865 * testsuite/Makefile.am (ver_test_7.so): New target.
1866 (ver_test_7.o): New target.
1867 (check_SCRIPTS): Add ver_test_7.sh.
1868 (check_DATA): Add ver_test_7.syms.
1869 (ver_test_7.syms): New target.
1871 2008-03-28 Ian Lance Taylor <iant@google.com>
1873 * layout.cc (Layout::layout): If we see an input section with a
1874 name that needs sorting, set the must_sort flag for the output
1875 section.
1876 (Layout::make_output_section): If the name of the output section
1877 indicates that it might require sorting, set the may_sort flag.
1878 * output.h (Output_section::may_sort_attached_input_sections): New
1879 function.
1880 (Output_section::set_may_sort_attached_input_sections): New
1881 function.
1882 (Output_section::must_sort_attached_input_sections): New
1883 function.
1884 (Output_section::set_must_sort_attached_input_sections): New
1885 function.
1886 (class Output_section): Declare Input_section_sort_entry. Define
1887 Input_section_sort_compare. Declare
1888 sort_attached_input_sections. Add new fields:
1889 may_sort_attached_input_sections_,
1890 must_sort_attached_input_sections_,
1891 attached_input_sections_are_sorted_.
1892 * output.cc (Output_section::Output_section): Initialize new
1893 fields.
1894 (Output_section::add_input_section): Add an entry to
1895 input_sections_ if may_sort or must_sort are true.
1896 (Output_section::set_final_data_size): Call
1897 sort_attached_input_sections if necessary.
1898 (Output_section::Input_section_sort_entry): Define new class.
1899 (Output_section::Input_section_sort_compare::operator()): New
1900 function.
1901 (Output_section::sort_attached_input_sections): New function.
1902 * configure.ac: Check whether the compiler supports constructor
1903 priorities. Define a CONSTRUCTOR_PRIORITY automake conditional.
1904 * testsuite/initpri1.c: New file.
1905 * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
1906 CONSTRUCTOR_PRIORITY.
1907 (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
1908 (initpri1_LDFLAGS): New variable.
1909 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
1911 2008-03-27 Ian Lance Taylor <iant@google.com>
1913 * common.cc (Sort_commons::operator): Correct sorting algorithm.
1914 * testsuite/common_test_1.c: New file.
1915 * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
1916 (common_test_1_SOURCES): New variable.
1917 (common_test_1_DEPENDENCIES): New variable.
1918 (common_test_1_LDFLAGS): New variable.
1920 * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
1921 and commons_ correctly when NAME/VERSION does not override
1922 NAME/NULL.
1923 * testsuite/ver_test_6.c: New file.
1924 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
1925 (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
1926 (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
1928 2008-03-26 Ian Lance Taylor <iant@google.com>
1930 * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
1931 of an undefined symbol from a version script.
1932 * testsuite/Makefile.am (ver_test_5.so): New target.
1933 (ver_test_5.o): New target.
1934 (check_SCRIPTS): Add ver_test_5.sh.
1935 (check_DATA): Add ver_test_5.syms.
1936 (ver_test_5.syms): New target.
1937 * testsuite/ver_test_5.cc: New file.
1938 * testsuite/ver_test_5.script: New file.
1939 * testsuite/ver_test_5.sh: New file.
1940 * Makefile.in, testsuite/Makefile.in: Rebuild.
1942 PR gold/5986
1943 Fix problems building gold with gcc 4.3.0.
1944 * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
1945 (gold_error_at_location, gold_warning_at_location): Use it.
1946 * configure.ac: Check whether we can compile and use a template
1947 function with a printf attribute.
1948 * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
1949 when jumping over bytes.
1950 * object.cc: Instantiate Object::read_section_data.
1951 * debug.h: Include <cstring>
1952 * dwarf_reader.cc: Include <algorithm>
1953 * main.cc: Include <cstring>.
1954 * options.cc: Include <cstring>.
1955 * output.cc: Include <cstring>.
1956 * script.cc: Include <cstring>.
1957 * script.h: Include <string>.
1958 * symtab.cc: Include <cstring> and <algorithm>.
1959 * target-select.cc: Include <cstring>.
1960 * version.cc: Include <string>.
1961 * testsuite/testmain.cc: Include <cstdlib>.
1962 * configure, config.in: Rebuild.
1964 2008-03-25 Ian Lance Taylor <iant@google.com>
1966 * options.cc: Include "../bfd/bfdver.h".
1967 (options::help): Print bug reporting address.
1969 * version.cc (print_version): Adjust output for current value of
1970 BFD_VERSION_STRING.
1972 * NEWS: New file.
1974 * options.cc (options::help): Print list of supported targets.
1975 * target-select.h: Include <vector>.
1976 (class Target_selector): Make machine_, size_, and is_big_endian_
1977 fields const. Add bfd_name_ and instantiated_target_ fields.
1978 (Target_selector::Target_selector): Add bfd_name parameter.
1979 (Target_selector::recognize): Make non-virtual, call
1980 do_recognize.
1981 (Target_selector::recognize_by_name): Make non-virtual, call
1982 do_recognize_by_name.
1983 (Target_selector::supported_names): New function.
1984 (Target_selector::bfd_name): New function.
1985 (Target_selector::do_instantiate_target): New pure virtual
1986 function.
1987 (Target_selector::do_recognize): New virtual function.
1988 (Target_selector::do_recognize_by_name): New virtual function.
1989 (Target_selector::instantiate_target): New private function.
1990 (supported_target_names): Declare.
1991 * target-select.cc (Target_selector::Target_selector): Update for
1992 new parameter and fields.
1993 (select_target_by_name): Check that the name matches before
1994 calling recognize_by_name.
1995 (supported_target_names): New function.
1996 * i386.cc (class Target_selector_i386): Update Target_selector
1997 constructor call. Remove recognize and recognize_by_name. Add
1998 do_instantiate_target.
1999 * x86_64.cc (class Target_selector_x86_64): Likewise.
2000 * testsuite/testfile.cc (class Target_selector_test): Update for
2001 changes to Target_selector.
2003 * README: Rewrite, with some notes on unsupported features.
2005 2008-03-24 Cary Coutant <ccoutant@google.com>
2007 * i386.cc (Target_i386::Got_type): New enum declaration.
2008 (Target_i386::Scan::local): Updated callers of Output_data_got
2009 member functions.
2010 (Target_i386::Scan::global): Likewise.
2011 (Target_i386::Relocate::relocate): Likewise.
2012 (Target_i386::Relocate::relocate_tls): Likewise.
2013 * object.h (Got_offset_list): New class.
2014 (Sized_relobj::local_has_got_offset): Added got_type parameter.
2015 (Sized_relobj::local_got_offset): Likewise.
2016 (Sized_relobj::set_local_got_offset): Likewise.
2017 (Sized_relobj::local_has_tls_got_offset): Removed.
2018 (Sized_relobj::local_tls_got_offset): Removed.
2019 (Sized_relobj::set_local_tls_got_offset): Removed.
2020 (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
2021 * output.cc (Output_data_got::add_global): Added got_type parameter.
2022 (Output_data_got::add_global_with_rel): Likewise.
2023 (Output_data_got::add_global_with_rela): Likewise.
2024 (Output_data_got::add_global_pair_with_rel): New function.
2025 (Output_data_got::add_global_pair_with_rela): New function.
2026 (Output_data_got::add_local): Added got_type parameter.
2027 (Output_data_got::add_local_with_rel): Likewise.
2028 (Output_data_got::add_local_with_rela): Likewise.
2029 (Output_data_got::add_local_pair_with_rel): New function.
2030 (Output_data_got::add_local_pair_with_rela): New function.
2031 (Output_data_got::add_global_tls): Removed.
2032 (Output_data_got::add_global_tls_with_rel): Removed.
2033 (Output_data_got::add_global_tls_with_rela): Removed.
2034 (Output_data_got::add_local_tls): Removed.
2035 (Output_data_got::add_local_tls_with_rel): Removed.
2036 (Output_data_got::add_local_tls_with_rela): Removed.
2037 * output.h (Output_data_got::add_global): Added got_type parameter.
2038 (Output_data_got::add_global_with_rel): Likewise.
2039 (Output_data_got::add_global_with_rela): Likewise.
2040 (Output_data_got::add_global_pair_with_rel): New function.
2041 (Output_data_got::add_global_pair_with_rela): New function.
2042 (Output_data_got::add_local): Added got_type parameter.
2043 (Output_data_got::add_local_with_rel): Likewise.
2044 (Output_data_got::add_local_with_rela): Likewise.
2045 (Output_data_got::add_local_pair_with_rel): New function.
2046 (Output_data_got::add_local_pair_with_rela): New function.
2047 (Output_data_got::add_global_tls): Removed.
2048 (Output_data_got::add_global_tls_with_rel): Removed.
2049 (Output_data_got::add_global_tls_with_rela): Removed.
2050 (Output_data_got::add_local_tls): Removed.
2051 (Output_data_got::add_local_tls_with_rel): Removed.
2052 (Output_data_got::add_local_tls_with_rela): Removed.
2053 * resolve.cc (Symbol::override_base_with_special): Removed
2054 reference to has_got_offset_ field.
2055 * symtab.cc (Symbol::init_fields): Replaced initialization
2056 of got_offset_ with got_offsets_. Removed initialization
2057 of has_got_offset_
2058 * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
2059 (Symbol::got_offset): Likewise.
2060 (Symbol::set_got_offset): Likewise.
2061 (Symbol::has_tls_got_offset): Removed.
2062 (Symbol::tls_got_offset): Removed.
2063 (Symbol::set_tls_got_offset): Removed.
2064 (Symbol::got_offset_): Removed.
2065 (Symbol::tls_mod_got_offset_): Removed.
2066 (Symbol::tls_pair_got_offset_): Removed.
2067 (Symbol::got_offsets_): New field.
2068 (Symbol::has_got_offset): Removed.
2069 (Symbol::has_tls_mod_got_offset): Removed.
2070 (Symbol::has_tls_pair_got_offset): Removed.
2071 * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
2072 (Target_x86_64::Scan::local): Updated callers of Output_data_got
2073 member functions.
2074 (Target_x86_64::Scan::global): Likewise.
2075 (Target_x86_64::Relocate::relocate): Likewise.
2076 (Target_x86_64::Relocate::relocate_tls): Likewise.
2078 2008-03-25 Ben Elliston <bje@au.ibm.com>
2080 * yyscript.y: Fix spelling error in comment.
2082 2008-03-24 Ian Lance Taylor <iant@google.com>
2084 * options.h (class General_options): Define build_id option.
2085 * layout.h (class Layout): Declare write_build_id, create_note,
2086 create_build_id. Add build_id_note_ member.
2087 * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
2088 "libiberty.h", "md5.h", "sha1.h".
2089 (Layout::Layout): Initialize eh_frame_data_,
2090 eh_frame_hdr_section_, and build_id_note_.
2091 (Layout::finalize): Call create_build_id.
2092 (Layout::create_note): New function, broken out of
2093 Layout::create_gold_note.
2094 (Layout::create_gold_note): Call create_note.
2095 (Layout::create_build_id): New function.
2096 (Layout::write_build_id): New function.
2097 (Close_task_runner::run): Call write_build_id.
2099 * x86_64.cc: Correct license to GPLv3.
2101 2008-03-23 Ian Lance Taylor <iant@google.com>
2103 * options.cc: Include "demangle.h".
2104 (parse_optional_string): New function.
2105 (parse_long_option): Handle takes_optional_argument.
2106 (parse_short_option): Update dash_z initializer. Handle
2107 takes_optional_argument.
2108 (General_options::General_options): Initialize do_demangle_.
2109 (General_options::finalize): Set do_demangle_. Handle demangling
2110 style.
2111 * options.h (parse_optional_string): Declare.
2112 (struct One_option): Add optional_arg field. Update constructor.
2113 Update call constructor calls. Add takes_optional_argument
2114 function.
2115 (DEFINE_var): Add optional_arg__ parameter. Change all callers.
2116 (DEFINE_optional_string): Define.
2117 (General_options::demangle): Change from DEFINE_bool to
2118 DEFINE_optional_string.
2119 (General_options::no_demangle): New function.
2120 (General_options::do_demangle): New function.
2121 (General_options::set_do_demangle): New function.
2122 (General_options::execstack_status_): Move definition to end of
2123 class definition.
2124 (General_options::static_): Likewise.
2125 (General_options::do_demangle_): New field.
2126 * object.cc (big_endian>::get_symbol_location_info): Call
2127 Options::do_demangle, not Options::demangle.
2128 * symtab.cc (demangle): Likewise.
2130 2008-03-22 Ian Lance Taylor <iant@google.com>
2132 * gold.h: Include <cstddef> and <sys/types.h>
2133 * options.h: Include <cstring>.
2135 2008-03-21 Ian Lance Taylor <iant@google.com>
2137 * Added source code to GNU binutils.