2008-04-04 Cary Coutant <ccoutant@google.com>
[external/binutils.git] / gold / ChangeLog
1 2008-04-04  Cary Coutant  <ccoutant@google.com>
2
3         * symtab.h (Symbol::is_weak_undefined): New function.
4         (Symbol::is_strong_undefined): New function.
5         (Symbol::is_absolute): New function.
6         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
7         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
8         absolute symbols.
9         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
10         (weak_undef_test): New target.
11         * testsuite/Makefile.in: Rebuild.
12         * testsuite/weak_undef_file1.cc: New file.
13         * testsuite/weak_undef_file2.cc: New file.
14         * testsuite/weak_undef_test.cc: New file.
15
16 2008-04-03  Craig Silverstein  <csilvers@google.com>
17
18         * compressed_output.h (class Output_compressed_section): Use
19         unsigned buffer.
20         * compressed_output.cc (zlib_compress): Use unsigned buffers,
21         add zlib header.
22         (zlib_compressed_suffix): Removed.
23         (Output_compressed_section::set_final_data_size): Use unsigned
24         buffers.
25         * testsuite/Makefile.am (flagstest_compress_debug_sections):
26         Fix linker invocation.
27         (flagstest_o_specialfile_and_compress_debug_sections):
28         Likewise.
29         * testsuite/Makefile.in: Regenerated.
30
31 2008-04-02  David S. Miller  <davem@davemloft.net>
32
33         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
34         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
35
36 2008-04-02  Craig Silverstein  <csilvers@google.com>
37
38         * TODO: New file.
39
40 2008-04-02  Ian Lance Taylor  <iant@google.com>
41
42         * fileread.cc (File_read::find_view): Add byteshift and vshifted
43         parameters.  Update for new key type to views_.  Change all
44         callers.
45         (File_read::read): Adjust for byteshift in returned view.
46         (File_read::add_view): New function, broken out of
47         find_and_make_view.
48         (File_read::make_view): New function, broken out of
49         find_and_make_view.
50         (File_read::find_or_make_view): Add offset and aligned
51         parameters.  Rewrite accordingly.  Change all callers.
52         (File_read::get_view): Add offset and aligned parameters.  Adjust
53         for byteshift in return value.
54         (File_read::get_lasting_view): Likewise.
55         * fileread.h (class File_read): Update declarations.
56         (class File_read::View): Add byteshift_ field.  Add byteshift to
57         constructor.  Add byteshift method.
58         * archive.h (Archive::clear_uncached_views): New function.
59         (Archive::get_view): Add aligned parameter.  Change all callers.
60         * object.h (Object::get_view): Add aligned parameter.  Change all
61         callers.
62         (Object::get_lasting_view): Likewise.
63
64         * fileread.cc (File_read::release): Don't call clear_views if
65         there are multiple objects.
66         * fileread.h (File_read::clear_uncached_views): New function.
67         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
68         on the archive.
69
70 2008-03-31  Cary Coutant  <ccoutant@google.com>
71
72         Add thin archive support.
73         * archive.cc (Archive::armagt): New const.
74         (Archive::setup): Remove task parameter and calls to unlock.
75         (Archive::unlock_nested_archives): New function.
76         (Archive::read_header): Add nested_off parameter. Change
77         all callers.
78         (Archive::interpret_header): Likewise.
79         (Archive::include_all_members): Change to handle thin
80         archives.
81         (Archive::include_member): Likewise.
82         * archive.h (Archive::Archive): Add new parameters and
83         initializers.
84         (Archive::armagt): New const.
85         (Archive::setup): Remove task parameter.
86         (Archive::unlock_nested_archives): New function.
87         (Archive::read_header): Add nested_off parameter.
88         (Archive::interpret_header): Likewise.
89         (Archive::Nested_archive_table): New typedef.
90         (Archive::is_thin_archive_): New field.
91         (Archive::nested_archives_): New field.
92         (Archive::options_): New field.
93         (Archive::dirpath_): New field.
94         (Archive::task_): New field.
95         * readsyms.cc (Read_symbols::do_read_symbols): Add check
96         for thin archives.  Pass additional parameters to
97         Archive::Archive.  Unlock the archive file after calling
98         Archive::setup.
99         
100 2008-03-29  Ian Lance Taylor  <iant@google.com>
101
102         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
103         version symbol to be local.
104         * testsuite/ver_test_4.sh: New file.
105         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
106         (check_DATA): Add ver_test_4.syms.
107         (ver_test_4.syms): New target.
108         * testsuite/Makefile.in: Rebuild.
109
110         * output.cc
111         (Output_section::Input_section_sort_entry::has_priority): New
112         function.
113         (Output_section::Input_section_sort_entry::match_file_name): New
114         function.
115         (Output_section::Input_section_sort_entry::match_section_name):
116         Remove.
117         (Output_section::Input_section_sort_entry::match_section_name_prefix):
118         Remove.
119         (Output_section::Input_section_sort_entry::match_section_file):
120         Remove.
121         (Output_section::Input_section_sort_compare::operator()): Rewrite
122         using new Input_section_sort_entry functions.  Sort crtbegin and
123         crtend first.  Sort sections with no priority before sections with
124         a priority.
125         * testsuite/initpri1.c (d3): Check j != 4.
126         (cd5): New constructor/destructor function.
127         (main): Check j != 2.
128
129         * symtab.cc (Symbol_table::add_from_object): If we don't use the
130         new symbol when resolving, don't call set_is_default.
131         * testsuite/ver_test_7.cc: New file.
132         * testsuite/ver_test_7.sh: New file.
133         * testsuite/Makefile.am (ver_test_7.so): New target.
134         (ver_test_7.o): New target.
135         (check_SCRIPTS): Add ver_test_7.sh.
136         (check_DATA): Add ver_test_7.syms.
137         (ver_test_7.syms): New target.
138
139 2008-03-28  Ian Lance Taylor  <iant@google.com>
140
141         * layout.cc (Layout::layout): If we see an input section with a
142         name that needs sorting, set the must_sort flag for the output
143         section.
144         (Layout::make_output_section): If the name of the output section
145         indicates that it might require sorting, set the may_sort flag.
146         * output.h (Output_section::may_sort_attached_input_sections): New
147         function.
148         (Output_section::set_may_sort_attached_input_sections): New
149         function.
150         (Output_section::must_sort_attached_input_sections): New
151         function.
152         (Output_section::set_must_sort_attached_input_sections): New
153         function.
154         (class Output_section): Declare Input_section_sort_entry.  Define
155         Input_section_sort_compare.  Declare
156         sort_attached_input_sections.  Add new fields:
157         may_sort_attached_input_sections_,
158         must_sort_attached_input_sections_,
159         attached_input_sections_are_sorted_.
160         * output.cc (Output_section::Output_section): Initialize new
161         fields.
162         (Output_section::add_input_section): Add an entry to
163         input_sections_ if may_sort or must_sort are true.
164         (Output_section::set_final_data_size): Call
165         sort_attached_input_sections if necessary.
166         (Output_section::Input_section_sort_entry): Define new class.
167         (Output_section::Input_section_sort_compare::operator()): New
168         function.
169         (Output_section::sort_attached_input_sections): New function.
170         * configure.ac: Check whether the compiler supports constructor
171         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
172         * testsuite/initpri1.c: New file.
173         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
174         CONSTRUCTOR_PRIORITY.
175         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
176         (initpri1_LDFLAGS): New variable.
177         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
178
179 2008-03-27  Ian Lance Taylor  <iant@google.com>
180
181         * common.cc (Sort_commons::operator): Correct sorting algorithm.
182         * testsuite/common_test_1.c: New file.
183         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
184         (common_test_1_SOURCES): New variable.
185         (common_test_1_DEPENDENCIES): New variable.
186         (common_test_1_LDFLAGS): New variable.
187
188         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
189         and commons_ correctly when NAME/VERSION does not override
190         NAME/NULL.
191         * testsuite/ver_test_6.c: New file.
192         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
193         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
194         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
195
196 2008-03-26  Ian Lance Taylor  <iant@google.com>
197
198         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
199         of an undefined symbol from a version script.
200         * testsuite/Makefile.am (ver_test_5.so): New target.
201         (ver_test_5.o): New target.
202         (check_SCRIPTS): Add ver_test_5.sh.
203         (check_DATA): Add ver_test_5.syms.
204         (ver_test_5.syms): New target.
205         * testsuite/ver_test_5.cc: New file.
206         * testsuite/ver_test_5.script: New file.
207         * testsuite/ver_test_5.sh: New file.
208         * Makefile.in, testsuite/Makefile.in: Rebuild.
209
210         PR gold/5986
211         Fix problems building gold with gcc 4.3.0.
212         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
213         (gold_error_at_location, gold_warning_at_location): Use it.
214         * configure.ac: Check whether we can compile and use a template
215         function with a printf attribute.
216         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
217         when jumping over bytes.
218         * object.cc: Instantiate Object::read_section_data.
219         * debug.h: Include <cstring>
220         * dwarf_reader.cc: Include <algorithm>
221         * main.cc: Include <cstring>.
222         * options.cc: Include <cstring>.
223         * output.cc: Include <cstring>.
224         * script.cc: Include <cstring>.
225         * script.h: Include <string>.
226         * symtab.cc: Include <cstring> and <algorithm>.
227         * target-select.cc: Include <cstring>.
228         * version.cc: Include <string>.
229         * testsuite/testmain.cc: Include <cstdlib>.
230         * configure, config.in: Rebuild.
231
232 2008-03-25  Ian Lance Taylor  <iant@google.com>
233
234         * options.cc: Include "../bfd/bfdver.h".
235         (options::help): Print bug reporting address.
236
237         * version.cc (print_version): Adjust output for current value of
238         BFD_VERSION_STRING.
239
240         * NEWS: New file.
241
242         * options.cc (options::help): Print list of supported targets.
243         * target-select.h: Include <vector>.
244         (class Target_selector): Make machine_, size_, and is_big_endian_
245         fields const.  Add bfd_name_ and instantiated_target_ fields.
246         (Target_selector::Target_selector): Add bfd_name parameter.
247         (Target_selector::recognize): Make non-virtual, call
248         do_recognize.
249         (Target_selector::recognize_by_name): Make non-virtual, call
250         do_recognize_by_name.
251         (Target_selector::supported_names): New function.
252         (Target_selector::bfd_name): New function.
253         (Target_selector::do_instantiate_target): New pure virtual
254         function.
255         (Target_selector::do_recognize): New virtual function.
256         (Target_selector::do_recognize_by_name): New virtual function.
257         (Target_selector::instantiate_target): New private function.
258         (supported_target_names): Declare.
259         * target-select.cc (Target_selector::Target_selector): Update for
260         new parameter and fields.
261         (select_target_by_name): Check that the name matches before
262         calling recognize_by_name.
263         (supported_target_names): New function.
264         * i386.cc (class Target_selector_i386): Update Target_selector
265         constructor call.  Remove recognize and recognize_by_name.  Add
266         do_instantiate_target.
267         * x86_64.cc (class Target_selector_x86_64): Likewise.
268         * testsuite/testfile.cc (class Target_selector_test): Update for
269         changes to Target_selector.
270
271         * README: Rewrite, with some notes on unsupported features.
272
273 2008-03-24  Cary Coutant  <ccoutant@google.com>
274
275         * i386.cc (Target_i386::Got_type): New enum declaration.
276         (Target_i386::Scan::local): Updated callers of Output_data_got
277         member functions.
278         (Target_i386::Scan::global): Likewise.
279         (Target_i386::Relocate::relocate): Likewise.
280         (Target_i386::Relocate::relocate_tls): Likewise.
281         * object.h (Got_offset_list): New class.
282         (Sized_relobj::local_has_got_offset): Added got_type parameter.
283         (Sized_relobj::local_got_offset): Likewise.
284         (Sized_relobj::set_local_got_offset): Likewise.
285         (Sized_relobj::local_has_tls_got_offset): Removed.
286         (Sized_relobj::local_tls_got_offset): Removed.
287         (Sized_relobj::set_local_tls_got_offset): Removed.
288         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
289         * output.cc (Output_data_got::add_global): Added got_type parameter.
290         (Output_data_got::add_global_with_rel): Likewise.
291         (Output_data_got::add_global_with_rela): Likewise.
292         (Output_data_got::add_global_pair_with_rel): New function.
293         (Output_data_got::add_global_pair_with_rela): New function.
294         (Output_data_got::add_local): Added got_type parameter.
295         (Output_data_got::add_local_with_rel): Likewise.
296         (Output_data_got::add_local_with_rela): Likewise.
297         (Output_data_got::add_local_pair_with_rel): New function.
298         (Output_data_got::add_local_pair_with_rela): New function.
299         (Output_data_got::add_global_tls): Removed.
300         (Output_data_got::add_global_tls_with_rel): Removed.
301         (Output_data_got::add_global_tls_with_rela): Removed.
302         (Output_data_got::add_local_tls): Removed.
303         (Output_data_got::add_local_tls_with_rel): Removed.
304         (Output_data_got::add_local_tls_with_rela): Removed.
305         * output.h (Output_data_got::add_global): Added got_type parameter.
306         (Output_data_got::add_global_with_rel): Likewise.
307         (Output_data_got::add_global_with_rela): Likewise.
308         (Output_data_got::add_global_pair_with_rel): New function.
309         (Output_data_got::add_global_pair_with_rela): New function.
310         (Output_data_got::add_local): Added got_type parameter.
311         (Output_data_got::add_local_with_rel): Likewise.
312         (Output_data_got::add_local_with_rela): Likewise.
313         (Output_data_got::add_local_pair_with_rel): New function.
314         (Output_data_got::add_local_pair_with_rela): New function.
315         (Output_data_got::add_global_tls): Removed.
316         (Output_data_got::add_global_tls_with_rel): Removed.
317         (Output_data_got::add_global_tls_with_rela): Removed.
318         (Output_data_got::add_local_tls): Removed.
319         (Output_data_got::add_local_tls_with_rel): Removed.
320         (Output_data_got::add_local_tls_with_rela): Removed.
321         * resolve.cc (Symbol::override_base_with_special): Removed
322         reference to has_got_offset_ field.
323         * symtab.cc (Symbol::init_fields): Replaced initialization
324         of got_offset_ with got_offsets_.  Removed initialization
325         of has_got_offset_
326         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
327         (Symbol::got_offset): Likewise.
328         (Symbol::set_got_offset): Likewise.
329         (Symbol::has_tls_got_offset): Removed.
330         (Symbol::tls_got_offset): Removed.
331         (Symbol::set_tls_got_offset): Removed.
332         (Symbol::got_offset_): Removed.
333         (Symbol::tls_mod_got_offset_): Removed.
334         (Symbol::tls_pair_got_offset_): Removed.
335         (Symbol::got_offsets_): New field.
336         (Symbol::has_got_offset): Removed.
337         (Symbol::has_tls_mod_got_offset): Removed.
338         (Symbol::has_tls_pair_got_offset): Removed.
339         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
340         (Target_x86_64::Scan::local): Updated callers of Output_data_got
341         member functions.
342         (Target_x86_64::Scan::global): Likewise.
343         (Target_x86_64::Relocate::relocate): Likewise.
344         (Target_x86_64::Relocate::relocate_tls): Likewise.
345
346 2008-03-25  Ben Elliston  <bje@au.ibm.com>
347
348         * yyscript.y: Fix spelling error in comment.
349
350 2008-03-24  Ian Lance Taylor  <iant@google.com>
351
352         * options.h (class General_options): Define build_id option.
353         * layout.h (class Layout): Declare write_build_id, create_note,
354         create_build_id.  Add build_id_note_ member.
355         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
356         "libiberty.h", "md5.h", "sha1.h".
357         (Layout::Layout): Initialize eh_frame_data_,
358         eh_frame_hdr_section_, and build_id_note_.
359         (Layout::finalize): Call create_build_id.
360         (Layout::create_note): New function, broken out of
361         Layout::create_gold_note.
362         (Layout::create_gold_note): Call create_note.
363         (Layout::create_build_id): New function.
364         (Layout::write_build_id): New function.
365         (Close_task_runner::run): Call write_build_id.
366
367         * x86_64.cc: Correct license to GPLv3.
368
369 2008-03-23  Ian Lance Taylor  <iant@google.com>
370
371         * options.cc: Include "demangle.h".
372         (parse_optional_string): New function.
373         (parse_long_option): Handle takes_optional_argument.
374         (parse_short_option): Update dash_z initializer.  Handle
375         takes_optional_argument.
376         (General_options::General_options): Initialize do_demangle_.
377         (General_options::finalize): Set do_demangle_.  Handle demangling
378         style.
379         * options.h (parse_optional_string): Declare.
380         (struct One_option): Add optional_arg field.  Update constructor.
381         Update call constructor calls.  Add takes_optional_argument
382         function.
383         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
384         (DEFINE_optional_string): Define.
385         (General_options::demangle): Change from DEFINE_bool to
386         DEFINE_optional_string.
387         (General_options::no_demangle): New function.
388         (General_options::do_demangle): New function.
389         (General_options::set_do_demangle): New function.
390         (General_options::execstack_status_): Move definition to end of
391         class definition.
392         (General_options::static_): Likewise.
393         (General_options::do_demangle_): New field.
394         * object.cc (big_endian>::get_symbol_location_info): Call
395         Options::do_demangle, not Options::demangle.
396         * symtab.cc (demangle): Likewise.
397
398 2008-03-22  Ian Lance Taylor  <iant@google.com>
399
400         * gold.h: Include <cstddef> and <sys/types.h>
401         * options.h: Include <cstring>.
402
403 2008-03-21  Ian Lance Taylor  <iant@google.com>
404
405         * Added source code to GNU binutils.
406