Commit | Line | Data |
---|---|---|
252b5132 | 1 | /* Main program of GNU linker. |
4e5bae56 | 2 | Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, |
3db64b00 | 3 | 2002, 2003, 2004, 2005, 2006, 2007 |
252b5132 RH |
4 | Free Software Foundation, Inc. |
5 | Written by Steve Chamberlain steve@cygnus.com | |
6 | ||
2fa9fc65 | 7 | This file is part of GLD, the Gnu Linker. |
252b5132 | 8 | |
2fa9fc65 NC |
9 | GLD is free software; you can redistribute it and/or modify |
10 | it under the terms of the GNU General Public License as published by | |
11 | the Free Software Foundation; either version 2, or (at your option) | |
12 | any later version. | |
252b5132 | 13 | |
2fa9fc65 NC |
14 | GLD is distributed in the hope that it will be useful, |
15 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | GNU General Public License for more details. | |
252b5132 | 18 | |
2fa9fc65 NC |
19 | You should have received a copy of the GNU General Public License |
20 | along with GLD; see the file COPYING. If not, write to the Free | |
75be928b NC |
21 | Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA |
22 | 02110-1301, USA. */ | |
252b5132 | 23 | |
252b5132 | 24 | #include "sysdep.h" |
3db64b00 | 25 | #include "bfd.h" |
3882b010 | 26 | #include "safe-ctype.h" |
252b5132 RH |
27 | #include "libiberty.h" |
28 | #include "progress.h" | |
29 | #include "bfdlink.h" | |
5af11cab | 30 | #include "filenames.h" |
252b5132 RH |
31 | |
32 | #include "ld.h" | |
33 | #include "ldmain.h" | |
34 | #include "ldmisc.h" | |
35 | #include "ldwrite.h" | |
252b5132 RH |
36 | #include "ldexp.h" |
37 | #include "ldlang.h" | |
df2a7313 | 38 | #include <ldgram.h> |
252b5132 RH |
39 | #include "ldlex.h" |
40 | #include "ldfile.h" | |
b71e2778 | 41 | #include "ldemul.h" |
252b5132 RH |
42 | #include "ldctor.h" |
43 | ||
0125cdf2 | 44 | /* Somewhere above, sys/stat.h got included. */ |
252b5132 RH |
45 | #if !defined(S_ISDIR) && defined(S_IFDIR) |
46 | #define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR) | |
47 | #endif | |
48 | ||
49 | #include <string.h> | |
50 | ||
51 | #ifdef HAVE_SBRK | |
502bdb00 | 52 | #if !HAVE_DECL_SBRK |
1579bae1 | 53 | extern void *sbrk (); |
252b5132 RH |
54 | #endif |
55 | #endif | |
56 | ||
9c8ebd6a DJ |
57 | #ifndef TARGET_SYSTEM_ROOT |
58 | #define TARGET_SYSTEM_ROOT "" | |
59 | #endif | |
60 | ||
252b5132 RH |
61 | /* EXPORTS */ |
62 | ||
63 | char *default_target; | |
64 | const char *output_filename = "a.out"; | |
65 | ||
66 | /* Name this program was invoked by. */ | |
67 | char *program_name; | |
68 | ||
9c8ebd6a | 69 | /* The prefix for system library directories. */ |
e2243057 | 70 | const char *ld_sysroot; |
9c8ebd6a | 71 | |
3fe38064 NC |
72 | /* The canonical representation of ld_sysroot. */ |
73 | char * ld_canon_sysroot; | |
74 | int ld_canon_sysroot_len; | |
75 | ||
6d5e62f8 | 76 | /* The file that we're creating. */ |
252b5132 RH |
77 | bfd *output_bfd = 0; |
78 | ||
79 | /* Set by -G argument, for MIPS ECOFF target. */ | |
80 | int g_switch_value = 8; | |
81 | ||
82 | /* Nonzero means print names of input files as processed. */ | |
b34976b6 | 83 | bfd_boolean trace_files; |
252b5132 RH |
84 | |
85 | /* Nonzero means same, but note open failures, too. */ | |
b34976b6 | 86 | bfd_boolean trace_file_tries; |
252b5132 RH |
87 | |
88 | /* Nonzero means version number was printed, so exit successfully | |
89 | instead of complaining if no input files are given. */ | |
b34976b6 | 90 | bfd_boolean version_printed; |
252b5132 RH |
91 | |
92 | /* Nonzero means link in every member of an archive. */ | |
b34976b6 | 93 | bfd_boolean whole_archive; |
252b5132 | 94 | |
4a43e768 AM |
95 | /* Nonzero means create DT_NEEDED entries only if a dynamic library |
96 | actually satisfies some reference in a regular object. */ | |
97 | bfd_boolean as_needed; | |
98 | ||
e56f61be L |
99 | /* Nonzero means never create DT_NEEDED entries for dynamic libraries |
100 | in DT_NEEDED tags. */ | |
101 | bfd_boolean add_needed = TRUE; | |
102 | ||
b34976b6 AM |
103 | /* TRUE if we should demangle symbol names. */ |
104 | bfd_boolean demangling; | |
252b5132 RH |
105 | |
106 | args_type command_line; | |
107 | ||
108 | ld_config_type config; | |
109 | ||
bcaa7b3e L |
110 | sort_type sort_section; |
111 | ||
e2243057 RS |
112 | static const char *get_sysroot |
113 | (int, char **); | |
0125cdf2 | 114 | static char *get_emulation |
1579bae1 | 115 | (int, char **); |
0125cdf2 | 116 | static void set_scripts_dir |
1579bae1 | 117 | (void); |
0125cdf2 | 118 | static bfd_boolean add_archive_element |
1579bae1 | 119 | (struct bfd_link_info *, bfd *, const char *); |
0125cdf2 | 120 | static bfd_boolean multiple_definition |
1579bae1 AM |
121 | (struct bfd_link_info *, const char *, bfd *, asection *, bfd_vma, |
122 | bfd *, asection *, bfd_vma); | |
0125cdf2 | 123 | static bfd_boolean multiple_common |
1579bae1 AM |
124 | (struct bfd_link_info *, const char *, bfd *, enum bfd_link_hash_type, |
125 | bfd_vma, bfd *, enum bfd_link_hash_type, bfd_vma); | |
0125cdf2 | 126 | static bfd_boolean add_to_set |
1579bae1 AM |
127 | (struct bfd_link_info *, struct bfd_link_hash_entry *, |
128 | bfd_reloc_code_real_type, bfd *, asection *, bfd_vma); | |
0125cdf2 | 129 | static bfd_boolean constructor_callback |
1579bae1 AM |
130 | (struct bfd_link_info *, bfd_boolean, const char *, bfd *, |
131 | asection *, bfd_vma); | |
0125cdf2 | 132 | static bfd_boolean warning_callback |
1579bae1 AM |
133 | (struct bfd_link_info *, const char *, const char *, bfd *, |
134 | asection *, bfd_vma); | |
0125cdf2 | 135 | static void warning_find_reloc |
1579bae1 | 136 | (bfd *, asection *, void *); |
0125cdf2 | 137 | static bfd_boolean undefined_symbol |
1579bae1 AM |
138 | (struct bfd_link_info *, const char *, bfd *, asection *, bfd_vma, |
139 | bfd_boolean); | |
0125cdf2 | 140 | static bfd_boolean reloc_overflow |
dfeffb9f L |
141 | (struct bfd_link_info *, struct bfd_link_hash_entry *, const char *, |
142 | const char *, bfd_vma, bfd *, asection *, bfd_vma); | |
0125cdf2 | 143 | static bfd_boolean reloc_dangerous |
1579bae1 | 144 | (struct bfd_link_info *, const char *, bfd *, asection *, bfd_vma); |
0125cdf2 | 145 | static bfd_boolean unattached_reloc |
1579bae1 | 146 | (struct bfd_link_info *, const char *, bfd *, asection *, bfd_vma); |
0125cdf2 | 147 | static bfd_boolean notice |
1579bae1 | 148 | (struct bfd_link_info *, const char *, bfd *, asection *, bfd_vma); |
0125cdf2 NC |
149 | |
150 | static struct bfd_link_callbacks link_callbacks = | |
151 | { | |
252b5132 RH |
152 | add_archive_element, |
153 | multiple_definition, | |
154 | multiple_common, | |
155 | add_to_set, | |
156 | constructor_callback, | |
157 | warning_callback, | |
158 | undefined_symbol, | |
159 | reloc_overflow, | |
160 | reloc_dangerous, | |
161 | unattached_reloc, | |
e1fffbe6 | 162 | notice, |
2889e75b NC |
163 | einfo, |
164 | ldlang_override_segment_assignment | |
252b5132 RH |
165 | }; |
166 | ||
167 | struct bfd_link_info link_info; | |
168 | \f | |
169 | static void | |
1579bae1 | 170 | remove_output (void) |
252b5132 | 171 | { |
6d5e62f8 | 172 | if (output_filename) |
252b5132 | 173 | { |
c92c35e7 AC |
174 | if (output_bfd) |
175 | bfd_cache_close (output_bfd); | |
252b5132 | 176 | if (delete_output_file_on_failure) |
bb14f524 | 177 | unlink_if_ordinary (output_filename); |
252b5132 RH |
178 | } |
179 | } | |
180 | ||
181 | int | |
1579bae1 | 182 | main (int argc, char **argv) |
252b5132 RH |
183 | { |
184 | char *emulation; | |
185 | long start_time = get_run_time (); | |
186 | ||
187 | #if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES) | |
188 | setlocale (LC_MESSAGES, ""); | |
3882b010 L |
189 | #endif |
190 | #if defined (HAVE_SETLOCALE) | |
191 | setlocale (LC_CTYPE, ""); | |
252b5132 RH |
192 | #endif |
193 | bindtextdomain (PACKAGE, LOCALEDIR); | |
194 | textdomain (PACKAGE); | |
195 | ||
196 | program_name = argv[0]; | |
197 | xmalloc_set_program_name (program_name); | |
198 | ||
199 | START_PROGRESS (program_name, 0); | |
200 | ||
869b9d07 MM |
201 | expandargv (&argc, &argv); |
202 | ||
252b5132 RH |
203 | bfd_init (); |
204 | ||
205 | bfd_set_error_program_name (program_name); | |
206 | ||
207 | xatexit (remove_output); | |
208 | ||
e2243057 RS |
209 | /* Set up the sysroot directory. */ |
210 | ld_sysroot = get_sysroot (argc, argv); | |
211 | if (*ld_sysroot) | |
9c8ebd6a | 212 | { |
e2243057 | 213 | if (*TARGET_SYSTEM_ROOT == 0) |
9c8ebd6a | 214 | { |
70487fb2 | 215 | einfo ("%P%F: this linker was not configured to use sysroots\n"); |
e2243057 | 216 | ld_sysroot = ""; |
0125cdf2 | 217 | } |
e2243057 RS |
218 | else |
219 | ld_canon_sysroot = lrealpath (ld_sysroot); | |
0125cdf2 | 220 | } |
3fe38064 NC |
221 | if (ld_canon_sysroot) |
222 | ld_canon_sysroot_len = strlen (ld_canon_sysroot); | |
223 | else | |
224 | ld_canon_sysroot_len = -1; | |
225 | ||
252b5132 RH |
226 | /* Set the default BFD target based on the configured target. Doing |
227 | this permits the linker to be configured for a particular target, | |
228 | and linked against a shared BFD library which was configured for | |
229 | a different target. The macro TARGET is defined by Makefile. */ | |
230 | if (! bfd_set_default_target (TARGET)) | |
231 | { | |
232 | einfo (_("%X%P: can't set BFD default target to `%s': %E\n"), TARGET); | |
233 | xexit (1); | |
234 | } | |
235 | ||
b47c4208 AM |
236 | #if YYDEBUG |
237 | { | |
238 | extern int yydebug; | |
239 | yydebug = 1; | |
240 | } | |
241 | #endif | |
242 | ||
252b5132 | 243 | /* Initialize the data about options. */ |
b34976b6 AM |
244 | trace_files = trace_file_tries = version_printed = FALSE; |
245 | whole_archive = FALSE; | |
246 | config.build_constructors = TRUE; | |
247 | config.dynamic_link = FALSE; | |
248 | config.has_shared = FALSE; | |
c76308d2 | 249 | config.rpath_separator = ':'; |
a854a4a7 AM |
250 | config.split_by_reloc = (unsigned) -1; |
251 | config.split_by_file = (bfd_size_type) -1; | |
2d643429 | 252 | config.hash_table_size = 0; |
b34976b6 AM |
253 | command_line.force_common_definition = FALSE; |
254 | command_line.inhibit_common_definition = FALSE; | |
252b5132 RH |
255 | command_line.interpreter = NULL; |
256 | command_line.rpath = NULL; | |
b34976b6 AM |
257 | command_line.warn_mismatch = TRUE; |
258 | command_line.check_section_addresses = TRUE; | |
312b768e | 259 | command_line.accept_unknown_input_arch = FALSE; |
d8cf8b51 L |
260 | command_line.symbolic = symbolic_unset; |
261 | command_line.dynamic_list = dynamic_list_unset; | |
252b5132 | 262 | |
bcaa7b3e L |
263 | sort_section = none; |
264 | ||
252b5132 RH |
265 | /* We initialize DEMANGLING based on the environment variable |
266 | COLLECT_NO_DEMANGLE. The gcc collect2 program will demangle the | |
267 | output of the linker, unless COLLECT_NO_DEMANGLE is set in the | |
268 | environment. Acting the same way here lets us provide the same | |
269 | interface by default. */ | |
270 | demangling = getenv ("COLLECT_NO_DEMANGLE") == NULL; | |
271 | ||
1049f94e | 272 | link_info.relocatable = FALSE; |
b34976b6 | 273 | link_info.emitrelocations = FALSE; |
b5067602 | 274 | link_info.task_link = FALSE; |
b34976b6 | 275 | link_info.shared = FALSE; |
36af4a4e JJ |
276 | link_info.pie = FALSE; |
277 | link_info.executable = FALSE; | |
b34976b6 AM |
278 | link_info.symbolic = FALSE; |
279 | link_info.export_dynamic = FALSE; | |
280 | link_info.static_link = FALSE; | |
281 | link_info.traditional_format = FALSE; | |
282 | link_info.optimize = FALSE; | |
560e09e9 NC |
283 | link_info.unresolved_syms_in_objects = RM_NOT_YET_SET; |
284 | link_info.unresolved_syms_in_shared_libs = RM_NOT_YET_SET; | |
b34976b6 AM |
285 | link_info.allow_multiple_definition = FALSE; |
286 | link_info.allow_undefined_version = TRUE; | |
3e3b46e5 | 287 | link_info.create_default_symver = FALSE; |
fc0e6df6 | 288 | link_info.default_imported_symver = FALSE; |
b5067602 AM |
289 | link_info.keep_memory = TRUE; |
290 | link_info.notice_all = FALSE; | |
291 | link_info.nocopyreloc = FALSE; | |
292 | link_info.new_dtags = FALSE; | |
293 | link_info.combreloc = TRUE; | |
294 | link_info.eh_frame_hdr = FALSE; | |
8c37241b | 295 | link_info.relro = FALSE; |
d5cd3933 | 296 | link_info.strip_discarded = TRUE; |
252b5132 | 297 | link_info.strip = strip_none; |
f5fa8ca2 | 298 | link_info.discard = discard_sec_merge; |
b5067602 AM |
299 | link_info.common_skip_ar_aymbols = bfd_link_common_skip_none; |
300 | link_info.callbacks = &link_callbacks; | |
252b5132 RH |
301 | link_info.hash = NULL; |
302 | link_info.keep_hash = NULL; | |
252b5132 RH |
303 | link_info.notice_hash = NULL; |
304 | link_info.wrap_hash = NULL; | |
b5067602 AM |
305 | link_info.input_bfds = NULL; |
306 | link_info.create_object_symbols_section = NULL; | |
307 | link_info.gc_sym_list = NULL; | |
308 | link_info.base_file = NULL; | |
fdc90cb4 JJ |
309 | link_info.emit_hash = TRUE; |
310 | link_info.emit_gnu_hash = FALSE; | |
3dbf70a2 MM |
311 | /* SVR4 linkers seem to set DT_INIT and DT_FINI based on magic _init |
312 | and _fini symbols. We are compatible. */ | |
313 | link_info.init_function = "_init"; | |
314 | link_info.fini_function = "_fini"; | |
e0076ab3 | 315 | link_info.pei386_auto_import = -1; |
b34976b6 | 316 | link_info.pei386_runtime_pseudo_reloc = FALSE; |
db6751f2 | 317 | link_info.spare_dynamic_tags = 5; |
1579bae1 AM |
318 | link_info.flags = 0; |
319 | link_info.flags_1 = 0; | |
fbbc3759 | 320 | link_info.relax_pass = 1; |
8fdd7217 | 321 | link_info.warn_shared_textrel = FALSE; |
57316bff | 322 | link_info.gc_sections = FALSE; |
c17d87de | 323 | link_info.print_gc_sections = FALSE; |
40b36307 L |
324 | link_info.dynamic = FALSE; |
325 | link_info.dynamic_list = NULL; | |
326 | link_info.dynamic_data = FALSE; | |
c0f00686 | 327 | link_info.reduce_memory_overheads = FALSE; |
3dbf70a2 | 328 | |
24718e3b L |
329 | config.maxpagesize = 0; |
330 | config.commonpagesize = 0; | |
331 | ||
252b5132 RH |
332 | ldfile_add_arch (""); |
333 | ||
b34976b6 AM |
334 | config.make_executable = TRUE; |
335 | force_make_executable = FALSE; | |
336 | config.magic_demand_paged = TRUE; | |
337 | config.text_read_only = TRUE; | |
252b5132 RH |
338 | |
339 | emulation = get_emulation (argc, argv); | |
340 | ldemul_choose_mode (emulation); | |
742aeb63 | 341 | default_target = ldemul_choose_target (argc, argv); |
252b5132 RH |
342 | lang_init (); |
343 | ldemul_before_parse (); | |
b34976b6 | 344 | lang_has_input_file = FALSE; |
252b5132 RH |
345 | parse_args (argc, argv); |
346 | ||
2d643429 NC |
347 | if (config.hash_table_size != 0) |
348 | bfd_hash_set_default_size (config.hash_table_size); | |
349 | ||
252b5132 RH |
350 | ldemul_set_symbols (); |
351 | ||
1049f94e | 352 | if (link_info.relocatable) |
252b5132 | 353 | { |
57316bff | 354 | if (link_info.gc_sections) |
252b5132 | 355 | einfo ("%P%F: --gc-sections and -r may not be used together\n"); |
252b5132 RH |
356 | else if (command_line.relax) |
357 | einfo (_("%P%F: --relax and -r may not be used together\n")); | |
358 | if (link_info.shared) | |
359 | einfo (_("%P%F: -r and -shared may not be used together\n")); | |
360 | } | |
361 | ||
d8cf8b51 L |
362 | /* We may have -Bsymbolic, -Bsymbolic-functions, --dynamic-list-data, |
363 | --dynamic-list-cpp-new, --dynamic-list-cpp-typeinfo and | |
364 | --dynamic-list FILE. -Bsymbolic and -Bsymbolic-functions are | |
365 | for shared libraries. -Bsymbolic overrides all others and vice | |
366 | versa. */ | |
367 | switch (command_line.symbolic) | |
368 | { | |
369 | case symbolic_unset: | |
370 | break; | |
371 | case symbolic: | |
372 | /* -Bsymbolic is for shared library only. */ | |
373 | if (link_info.shared) | |
374 | { | |
375 | link_info.symbolic = TRUE; | |
376 | /* Should we free the unused memory? */ | |
377 | link_info.dynamic_list = NULL; | |
378 | command_line.dynamic_list = dynamic_list_unset; | |
379 | } | |
380 | break; | |
381 | case symbolic_functions: | |
382 | /* -Bsymbolic-functions is for shared library only. */ | |
383 | if (link_info.shared) | |
384 | command_line.dynamic_list = dynamic_list_data; | |
385 | break; | |
386 | } | |
387 | ||
388 | switch (command_line.dynamic_list) | |
389 | { | |
390 | case dynamic_list_unset: | |
391 | break; | |
392 | case dynamic_list_data: | |
393 | link_info.dynamic_data = TRUE; | |
394 | case dynamic_list: | |
395 | link_info.dynamic = TRUE; | |
396 | break; | |
397 | } | |
398 | ||
7333607e JJ |
399 | if (! link_info.shared) |
400 | { | |
401 | if (command_line.filter_shlib) | |
e97cb84f | 402 | einfo (_("%P%F: -F may not be used without -shared\n")); |
7333607e | 403 | if (command_line.auxiliary_filters) |
e97cb84f | 404 | einfo (_("%P%F: -f may not be used without -shared\n")); |
7333607e JJ |
405 | } |
406 | ||
36af4a4e JJ |
407 | if (! link_info.shared || link_info.pie) |
408 | link_info.executable = TRUE; | |
409 | ||
252b5132 RH |
410 | /* Treat ld -r -s as ld -r -S -x (i.e., strip all local symbols). I |
411 | don't see how else this can be handled, since in this case we | |
412 | must preserve all externally visible symbols. */ | |
1049f94e | 413 | if (link_info.relocatable && link_info.strip == strip_all) |
252b5132 RH |
414 | { |
415 | link_info.strip = strip_debugger; | |
f5fa8ca2 | 416 | if (link_info.discard == discard_sec_merge) |
252b5132 RH |
417 | link_info.discard = discard_all; |
418 | } | |
419 | ||
420 | /* This essentially adds another -L directory so this must be done after | |
421 | the -L's in argv have been processed. */ | |
422 | set_scripts_dir (); | |
423 | ||
14be8564 L |
424 | /* If we have not already opened and parsed a linker script, |
425 | try the default script from command line first. */ | |
426 | if (saved_script_handle == NULL | |
427 | && command_line.default_script != NULL) | |
428 | { | |
429 | ldfile_open_command_file (command_line.default_script); | |
430 | parser_input = input_script; | |
431 | yyparse (); | |
432 | } | |
433 | ||
b9a8de1e NC |
434 | /* If we have not already opened and parsed a linker script |
435 | read the emulation's appropriate default script. */ | |
b90e1c6f | 436 | if (saved_script_handle == NULL) |
252b5132 | 437 | { |
252b5132 | 438 | int isfile; |
b7a26f91 | 439 | char *s = ldemul_get_script (&isfile); |
252b5132 RH |
440 | |
441 | if (isfile) | |
442 | ldfile_open_command_file (s); | |
443 | else | |
b7a26f91 | 444 | { |
252b5132 RH |
445 | lex_string = s; |
446 | lex_redirect (s); | |
447 | } | |
448 | parser_input = input_script; | |
449 | yyparse (); | |
450 | lex_string = NULL; | |
451 | } | |
452 | ||
b9a8de1e NC |
453 | if (trace_file_tries) |
454 | { | |
9cb61eab AM |
455 | if (saved_script_handle) |
456 | info_msg (_("using external linker script:")); | |
457 | else | |
458 | info_msg (_("using internal linker script:")); | |
459 | info_msg ("\n==================================================\n"); | |
b9a8de1e NC |
460 | |
461 | if (saved_script_handle) | |
462 | { | |
74699268 | 463 | static const int ld_bufsz = 8193; |
b9a8de1e | 464 | size_t n; |
74699268 | 465 | char *buf = xmalloc (ld_bufsz); |
b9a8de1e NC |
466 | |
467 | rewind (saved_script_handle); | |
74699268 | 468 | while ((n = fread (buf, 1, ld_bufsz - 1, saved_script_handle)) > 0) |
b9a8de1e | 469 | { |
b7a26f91 | 470 | buf[n] = 0; |
b9a8de1e NC |
471 | info_msg (buf); |
472 | } | |
473 | rewind (saved_script_handle); | |
474 | free (buf); | |
475 | } | |
476 | else | |
477 | { | |
478 | int isfile; | |
479 | ||
b7a26f91 | 480 | info_msg (ldemul_get_script (&isfile)); |
b9a8de1e | 481 | } |
b7a26f91 | 482 | |
b9a8de1e NC |
483 | info_msg ("\n==================================================\n"); |
484 | } | |
485 | ||
252b5132 RH |
486 | lang_final (); |
487 | ||
b34976b6 | 488 | if (!lang_has_input_file) |
252b5132 RH |
489 | { |
490 | if (version_printed) | |
491 | xexit (0); | |
492 | einfo (_("%P%F: no input files\n")); | |
493 | } | |
494 | ||
495 | if (trace_files) | |
0125cdf2 | 496 | info_msg (_("%P: mode %s\n"), emulation); |
252b5132 RH |
497 | |
498 | ldemul_after_parse (); | |
499 | ||
252b5132 RH |
500 | if (config.map_filename) |
501 | { | |
502 | if (strcmp (config.map_filename, "-") == 0) | |
503 | { | |
504 | config.map_file = stdout; | |
505 | } | |
506 | else | |
507 | { | |
508 | config.map_file = fopen (config.map_filename, FOPEN_WT); | |
509 | if (config.map_file == (FILE *) NULL) | |
510 | { | |
511 | bfd_set_error (bfd_error_system_call); | |
512 | einfo (_("%P%F: cannot open map file %s: %E\n"), | |
513 | config.map_filename); | |
514 | } | |
515 | } | |
516 | } | |
517 | ||
252b5132 RH |
518 | lang_process (); |
519 | ||
520 | /* Print error messages for any missing symbols, for any warning | |
6d5e62f8 | 521 | symbols, and possibly multiple definitions. */ |
1049f94e | 522 | if (link_info.relocatable) |
252b5132 RH |
523 | output_bfd->flags &= ~EXEC_P; |
524 | else | |
525 | output_bfd->flags |= EXEC_P; | |
526 | ||
527 | ldwrite (); | |
528 | ||
529 | if (config.map_file != NULL) | |
530 | lang_map (); | |
531 | if (command_line.cref) | |
532 | output_cref (config.map_file != NULL ? config.map_file : stdout); | |
533 | if (nocrossref_list != NULL) | |
534 | check_nocrossrefs (); | |
535 | ||
750877ba L |
536 | lang_finish (); |
537 | ||
1049f94e | 538 | /* Even if we're producing relocatable output, some non-fatal errors should |
252b5132 | 539 | be reported in the exit status. (What non-fatal errors, if any, do we |
1049f94e | 540 | want to ignore for relocatable output?) */ |
b34976b6 | 541 | if (!config.make_executable && !force_make_executable) |
252b5132 | 542 | { |
b34976b6 | 543 | if (trace_files) |
0125cdf2 NC |
544 | einfo (_("%P: link errors found, deleting executable `%s'\n"), |
545 | output_filename); | |
252b5132 RH |
546 | |
547 | /* The file will be removed by remove_output. */ | |
252b5132 RH |
548 | xexit (1); |
549 | } | |
550 | else | |
551 | { | |
552 | if (! bfd_close (output_bfd)) | |
553 | einfo (_("%F%B: final close failed: %E\n"), output_bfd); | |
554 | ||
555 | /* If the --force-exe-suffix is enabled, and we're making an | |
6d5e62f8 KH |
556 | executable file and it doesn't end in .exe, copy it to one |
557 | which does. */ | |
1049f94e | 558 | if (! link_info.relocatable && command_line.force_exe_suffix) |
252b5132 RH |
559 | { |
560 | int len = strlen (output_filename); | |
0125cdf2 | 561 | |
6d5e62f8 | 562 | if (len < 4 |
252b5132 RH |
563 | || (strcasecmp (output_filename + len - 4, ".exe") != 0 |
564 | && strcasecmp (output_filename + len - 4, ".dll") != 0)) | |
565 | { | |
566 | FILE *src; | |
567 | FILE *dst; | |
568 | const int bsize = 4096; | |
569 | char *buf = xmalloc (bsize); | |
570 | int l; | |
571 | char *dst_name = xmalloc (len + 5); | |
0125cdf2 | 572 | |
252b5132 RH |
573 | strcpy (dst_name, output_filename); |
574 | strcat (dst_name, ".exe"); | |
575 | src = fopen (output_filename, FOPEN_RB); | |
576 | dst = fopen (dst_name, FOPEN_WB); | |
577 | ||
578 | if (!src) | |
1579bae1 AM |
579 | einfo (_("%X%P: unable to open for source of copy `%s'\n"), |
580 | output_filename); | |
252b5132 | 581 | if (!dst) |
1579bae1 AM |
582 | einfo (_("%X%P: unable to open for destination of copy `%s'\n"), |
583 | dst_name); | |
252b5132 RH |
584 | while ((l = fread (buf, 1, bsize, src)) > 0) |
585 | { | |
586 | int done = fwrite (buf, 1, l, dst); | |
0125cdf2 | 587 | |
252b5132 | 588 | if (done != l) |
0125cdf2 | 589 | einfo (_("%P: Error writing file `%s'\n"), dst_name); |
252b5132 | 590 | } |
0125cdf2 | 591 | |
252b5132 RH |
592 | fclose (src); |
593 | if (fclose (dst) == EOF) | |
0125cdf2 | 594 | einfo (_("%P: Error closing file `%s'\n"), dst_name); |
252b5132 RH |
595 | free (dst_name); |
596 | free (buf); | |
597 | } | |
598 | } | |
599 | } | |
600 | ||
601 | END_PROGRESS (program_name); | |
602 | ||
603 | if (config.stats) | |
604 | { | |
605 | #ifdef HAVE_SBRK | |
1579bae1 | 606 | char *lim = sbrk (0); |
252b5132 RH |
607 | #endif |
608 | long run_time = get_run_time () - start_time; | |
609 | ||
610 | fprintf (stderr, _("%s: total time in link: %ld.%06ld\n"), | |
611 | program_name, run_time / 1000000, run_time % 1000000); | |
612 | #ifdef HAVE_SBRK | |
613 | fprintf (stderr, _("%s: data size %ld\n"), program_name, | |
614 | (long) (lim - (char *) &environ)); | |
615 | #endif | |
616 | } | |
617 | ||
618 | /* Prevent remove_output from doing anything, after a successful link. */ | |
619 | output_filename = NULL; | |
620 | ||
621 | xexit (0); | |
622 | return 0; | |
623 | } | |
624 | ||
e2243057 RS |
625 | /* If the configured sysroot is relocatable, try relocating it based on |
626 | default prefix FROM. Return the relocated directory if it exists, | |
627 | otherwise return null. */ | |
628 | ||
629 | static char * | |
630 | get_relative_sysroot (const char *from ATTRIBUTE_UNUSED) | |
631 | { | |
632 | #ifdef TARGET_SYSTEM_ROOT_RELOCATABLE | |
633 | char *path; | |
634 | struct stat s; | |
635 | ||
636 | path = make_relative_prefix (program_name, from, TARGET_SYSTEM_ROOT); | |
637 | if (path) | |
638 | { | |
639 | if (stat (path, &s) == 0 && S_ISDIR (s.st_mode)) | |
640 | return path; | |
641 | free (path); | |
642 | } | |
643 | #endif | |
644 | return 0; | |
645 | } | |
646 | ||
647 | /* Return the sysroot directory. Return "" if no sysroot is being used. */ | |
648 | ||
649 | static const char * | |
650 | get_sysroot (int argc, char **argv) | |
651 | { | |
652 | int i; | |
653 | const char *path; | |
654 | ||
655 | for (i = 1; i < argc; i++) | |
0112cd26 | 656 | if (CONST_STRNEQ (argv[i], "--sysroot=")) |
e2243057 RS |
657 | return argv[i] + strlen ("--sysroot="); |
658 | ||
659 | path = get_relative_sysroot (BINDIR); | |
660 | if (path) | |
661 | return path; | |
662 | ||
663 | path = get_relative_sysroot (TOOLBINDIR); | |
664 | if (path) | |
665 | return path; | |
666 | ||
667 | return TARGET_SYSTEM_ROOT; | |
668 | } | |
669 | ||
252b5132 RH |
670 | /* We need to find any explicitly given emulation in order to initialize the |
671 | state that's needed by the lex&yacc argument parser (parse_args). */ | |
672 | ||
673 | static char * | |
1579bae1 | 674 | get_emulation (int argc, char **argv) |
252b5132 RH |
675 | { |
676 | char *emulation; | |
677 | int i; | |
678 | ||
679 | emulation = getenv (EMULATION_ENVIRON); | |
680 | if (emulation == NULL) | |
681 | emulation = DEFAULT_EMULATION; | |
682 | ||
683 | for (i = 1; i < argc; i++) | |
684 | { | |
0112cd26 | 685 | if (CONST_STRNEQ (argv[i], "-m")) |
252b5132 RH |
686 | { |
687 | if (argv[i][2] == '\0') | |
688 | { | |
689 | /* -m EMUL */ | |
690 | if (i < argc - 1) | |
691 | { | |
692 | emulation = argv[i + 1]; | |
693 | i++; | |
694 | } | |
695 | else | |
0125cdf2 | 696 | einfo (_("%P%F: missing argument to -m\n")); |
252b5132 RH |
697 | } |
698 | else if (strcmp (argv[i], "-mips1") == 0 | |
699 | || strcmp (argv[i], "-mips2") == 0 | |
700 | || strcmp (argv[i], "-mips3") == 0 | |
d1cf510e | 701 | || strcmp (argv[i], "-mips4") == 0 |
6f33421c CD |
702 | || strcmp (argv[i], "-mips5") == 0 |
703 | || strcmp (argv[i], "-mips32") == 0 | |
704 | || strcmp (argv[i], "-mips32r2") == 0 | |
5f74bc13 CD |
705 | || strcmp (argv[i], "-mips64") == 0 |
706 | || strcmp (argv[i], "-mips64r2") == 0) | |
252b5132 | 707 | { |
31d677f9 | 708 | /* FIXME: The arguments -mips1, -mips2, -mips3, etc. are |
252b5132 RH |
709 | passed to the linker by some MIPS compilers. They |
710 | generally tell the linker to use a slightly different | |
711 | library path. Perhaps someday these should be | |
712 | implemented as emulations; until then, we just ignore | |
713 | the arguments and hope that nobody ever creates | |
714 | emulations named ips1, ips2 or ips3. */ | |
715 | } | |
716 | else if (strcmp (argv[i], "-m486") == 0) | |
717 | { | |
718 | /* FIXME: The argument -m486 is passed to the linker on | |
719 | some Linux systems. Hope that nobody creates an | |
720 | emulation named 486. */ | |
721 | } | |
722 | else | |
723 | { | |
724 | /* -mEMUL */ | |
725 | emulation = &argv[i][2]; | |
726 | } | |
727 | } | |
728 | } | |
729 | ||
730 | return emulation; | |
731 | } | |
732 | ||
733 | /* If directory DIR contains an "ldscripts" subdirectory, | |
b34976b6 AM |
734 | add DIR to the library search path and return TRUE, |
735 | else return FALSE. */ | |
252b5132 | 736 | |
b34976b6 | 737 | static bfd_boolean |
1579bae1 | 738 | check_for_scripts_dir (char *dir) |
252b5132 RH |
739 | { |
740 | size_t dirlen; | |
741 | char *buf; | |
742 | struct stat s; | |
b34976b6 | 743 | bfd_boolean res; |
252b5132 RH |
744 | |
745 | dirlen = strlen (dir); | |
746 | /* sizeof counts the terminating NUL. */ | |
1579bae1 | 747 | buf = xmalloc (dirlen + sizeof ("/ldscripts")); |
252b5132 RH |
748 | sprintf (buf, "%s/ldscripts", dir); |
749 | ||
750 | res = stat (buf, &s) == 0 && S_ISDIR (s.st_mode); | |
751 | free (buf); | |
752 | if (res) | |
b34976b6 | 753 | ldfile_add_library_path (dir, FALSE); |
252b5132 RH |
754 | return res; |
755 | } | |
756 | ||
757 | /* Set the default directory for finding script files. | |
758 | Libraries will be searched for here too, but that's ok. | |
759 | We look for the "ldscripts" directory in: | |
760 | ||
cdc0d45e DJ |
761 | SCRIPTDIR (passed from Makefile) |
762 | (adjusted according to the current location of the binary) | |
252b5132 RH |
763 | SCRIPTDIR (passed from Makefile) |
764 | the dir where this program is (for using it from the build tree) | |
cdc0d45e | 765 | the dir where this program is/../lib |
0125cdf2 | 766 | (for installing the tool suite elsewhere). */ |
252b5132 RH |
767 | |
768 | static void | |
1579bae1 | 769 | set_scripts_dir (void) |
252b5132 RH |
770 | { |
771 | char *end, *dir; | |
772 | size_t dirlen; | |
5ed6aba4 | 773 | bfd_boolean found; |
252b5132 | 774 | |
cdc0d45e | 775 | dir = make_relative_prefix (program_name, BINDIR, SCRIPTDIR); |
cdc0d45e | 776 | if (dir) |
5ed6aba4 NC |
777 | { |
778 | found = check_for_scripts_dir (dir); | |
779 | free (dir); | |
780 | if (found) | |
781 | return; | |
782 | } | |
cdc0d45e | 783 | |
4ca1b790 | 784 | dir = make_relative_prefix (program_name, TOOLBINDIR, SCRIPTDIR); |
4ca1b790 | 785 | if (dir) |
5ed6aba4 NC |
786 | { |
787 | found = check_for_scripts_dir (dir); | |
788 | free (dir); | |
789 | if (found) | |
790 | return; | |
791 | } | |
4ca1b790 | 792 | |
252b5132 | 793 | if (check_for_scripts_dir (SCRIPTDIR)) |
6d5e62f8 KH |
794 | /* We've been installed normally. */ |
795 | return; | |
252b5132 RH |
796 | |
797 | /* Look for "ldscripts" in the dir where our binary is. */ | |
798 | end = strrchr (program_name, '/'); | |
5af11cab AM |
799 | #ifdef HAVE_DOS_BASED_FILE_SYSTEM |
800 | { | |
801 | /* We could have \foo\bar, or /foo\bar. */ | |
802 | char *bslash = strrchr (program_name, '\\'); | |
0125cdf2 | 803 | |
2ab47eed | 804 | if (end == NULL || (bslash != NULL && bslash > end)) |
5af11cab AM |
805 | end = bslash; |
806 | } | |
807 | #endif | |
252b5132 RH |
808 | |
809 | if (end == NULL) | |
0125cdf2 NC |
810 | /* Don't look for ldscripts in the current directory. There is |
811 | too much potential for confusion. */ | |
812 | return; | |
252b5132 RH |
813 | |
814 | dirlen = end - program_name; | |
815 | /* Make a copy of program_name in dir. | |
816 | Leave room for later "/../lib". */ | |
1579bae1 | 817 | dir = xmalloc (dirlen + 8); |
252b5132 RH |
818 | strncpy (dir, program_name, dirlen); |
819 | dir[dirlen] = '\0'; | |
820 | ||
821 | if (check_for_scripts_dir (dir)) | |
5ed6aba4 NC |
822 | { |
823 | free (dir); | |
824 | return; | |
825 | } | |
252b5132 RH |
826 | |
827 | /* Look for "ldscripts" in <the dir where our binary is>/../lib. */ | |
828 | strcpy (dir + dirlen, "/../lib"); | |
5ed6aba4 | 829 | check_for_scripts_dir (dir); |
6d5e62f8 | 830 | free (dir); |
252b5132 RH |
831 | } |
832 | ||
833 | void | |
1579bae1 | 834 | add_ysym (const char *name) |
252b5132 | 835 | { |
1579bae1 | 836 | if (link_info.notice_hash == NULL) |
252b5132 | 837 | { |
1579bae1 | 838 | link_info.notice_hash = xmalloc (sizeof (struct bfd_hash_table)); |
66eb6687 AM |
839 | if (!bfd_hash_table_init_n (link_info.notice_hash, |
840 | bfd_hash_newfunc, | |
841 | sizeof (struct bfd_hash_entry), | |
842 | 61)) | |
252b5132 | 843 | einfo (_("%P%F: bfd_hash_table_init failed: %E\n")); |
6d5e62f8 | 844 | } |
252b5132 | 845 | |
1579bae1 | 846 | if (bfd_hash_lookup (link_info.notice_hash, name, TRUE, TRUE) == NULL) |
252b5132 RH |
847 | einfo (_("%P%F: bfd_hash_lookup failed: %E\n")); |
848 | } | |
849 | ||
850 | /* Record a symbol to be wrapped, from the --wrap option. */ | |
851 | ||
852 | void | |
1579bae1 | 853 | add_wrap (const char *name) |
252b5132 RH |
854 | { |
855 | if (link_info.wrap_hash == NULL) | |
856 | { | |
1579bae1 | 857 | link_info.wrap_hash = xmalloc (sizeof (struct bfd_hash_table)); |
66eb6687 AM |
858 | if (!bfd_hash_table_init_n (link_info.wrap_hash, |
859 | bfd_hash_newfunc, | |
860 | sizeof (struct bfd_hash_entry), | |
861 | 61)) | |
252b5132 RH |
862 | einfo (_("%P%F: bfd_hash_table_init failed: %E\n")); |
863 | } | |
0125cdf2 | 864 | |
b34976b6 | 865 | if (bfd_hash_lookup (link_info.wrap_hash, name, TRUE, TRUE) == NULL) |
252b5132 RH |
866 | einfo (_("%P%F: bfd_hash_lookup failed: %E\n")); |
867 | } | |
868 | ||
869 | /* Handle the -retain-symbols-file option. */ | |
870 | ||
871 | void | |
1579bae1 | 872 | add_keepsyms_file (const char *filename) |
252b5132 RH |
873 | { |
874 | FILE *file; | |
875 | char *buf; | |
876 | size_t bufsize; | |
877 | int c; | |
878 | ||
879 | if (link_info.strip == strip_some) | |
880 | einfo (_("%X%P: error: duplicate retain-symbols-file\n")); | |
881 | ||
882 | file = fopen (filename, "r"); | |
1579bae1 | 883 | if (file == NULL) |
252b5132 RH |
884 | { |
885 | bfd_set_error (bfd_error_system_call); | |
886 | einfo ("%X%P: %s: %E\n", filename); | |
887 | return; | |
888 | } | |
889 | ||
1579bae1 | 890 | link_info.keep_hash = xmalloc (sizeof (struct bfd_hash_table)); |
66eb6687 AM |
891 | if (!bfd_hash_table_init (link_info.keep_hash, bfd_hash_newfunc, |
892 | sizeof (struct bfd_hash_entry))) | |
252b5132 RH |
893 | einfo (_("%P%F: bfd_hash_table_init failed: %E\n")); |
894 | ||
895 | bufsize = 100; | |
1579bae1 | 896 | buf = xmalloc (bufsize); |
252b5132 RH |
897 | |
898 | c = getc (file); | |
899 | while (c != EOF) | |
900 | { | |
3882b010 | 901 | while (ISSPACE (c)) |
252b5132 RH |
902 | c = getc (file); |
903 | ||
904 | if (c != EOF) | |
905 | { | |
906 | size_t len = 0; | |
907 | ||
3882b010 | 908 | while (! ISSPACE (c) && c != EOF) |
252b5132 RH |
909 | { |
910 | buf[len] = c; | |
911 | ++len; | |
912 | if (len >= bufsize) | |
913 | { | |
914 | bufsize *= 2; | |
915 | buf = xrealloc (buf, bufsize); | |
916 | } | |
917 | c = getc (file); | |
918 | } | |
919 | ||
920 | buf[len] = '\0'; | |
921 | ||
1579bae1 | 922 | if (bfd_hash_lookup (link_info.keep_hash, buf, TRUE, TRUE) == NULL) |
252b5132 RH |
923 | einfo (_("%P%F: bfd_hash_lookup for insertion failed: %E\n")); |
924 | } | |
925 | } | |
926 | ||
927 | if (link_info.strip != strip_none) | |
928 | einfo (_("%P: `-retain-symbols-file' overrides `-s' and `-S'\n")); | |
929 | ||
5ed6aba4 | 930 | free (buf); |
252b5132 RH |
931 | link_info.strip = strip_some; |
932 | } | |
933 | \f | |
934 | /* Callbacks from the BFD linker routines. */ | |
935 | ||
936 | /* This is called when BFD has decided to include an archive member in | |
937 | a link. */ | |
938 | ||
b34976b6 | 939 | static bfd_boolean |
e1fffbe6 | 940 | add_archive_element (struct bfd_link_info *info, |
1579bae1 AM |
941 | bfd *abfd, |
942 | const char *name) | |
252b5132 RH |
943 | { |
944 | lang_input_statement_type *input; | |
945 | ||
1579bae1 | 946 | input = xmalloc (sizeof (lang_input_statement_type)); |
252b5132 RH |
947 | input->filename = abfd->filename; |
948 | input->local_sym_name = abfd->filename; | |
949 | input->the_bfd = abfd; | |
950 | input->asymbols = NULL; | |
951 | input->next = NULL; | |
b34976b6 AM |
952 | input->just_syms_flag = FALSE; |
953 | input->loaded = FALSE; | |
954 | input->search_dirs_flag = FALSE; | |
252b5132 RH |
955 | |
956 | /* FIXME: The following fields are not set: header.next, | |
957 | header.type, closed, passive_position, symbol_count, | |
958 | next_real_file, is_archive, target, real. This bit of code is | |
959 | from the old decode_library_subfile function. I don't know | |
960 | whether any of those fields matters. */ | |
961 | ||
962 | ldlang_add_file (input); | |
963 | ||
1579bae1 | 964 | if (config.map_file != NULL) |
252b5132 | 965 | { |
b34976b6 | 966 | static bfd_boolean header_printed; |
252b5132 RH |
967 | struct bfd_link_hash_entry *h; |
968 | bfd *from; | |
969 | int len; | |
970 | ||
e1fffbe6 | 971 | h = bfd_link_hash_lookup (info->hash, name, FALSE, FALSE, TRUE); |
252b5132 RH |
972 | |
973 | if (h == NULL) | |
974 | from = NULL; | |
975 | else | |
976 | { | |
977 | switch (h->type) | |
978 | { | |
979 | default: | |
980 | from = NULL; | |
981 | break; | |
982 | ||
983 | case bfd_link_hash_defined: | |
984 | case bfd_link_hash_defweak: | |
985 | from = h->u.def.section->owner; | |
986 | break; | |
987 | ||
988 | case bfd_link_hash_undefined: | |
989 | case bfd_link_hash_undefweak: | |
990 | from = h->u.undef.abfd; | |
991 | break; | |
992 | ||
993 | case bfd_link_hash_common: | |
994 | from = h->u.c.p->section->owner; | |
995 | break; | |
996 | } | |
997 | } | |
998 | ||
999 | if (! header_printed) | |
1000 | { | |
1001 | char buf[100]; | |
1002 | ||
e3c8793a | 1003 | sprintf (buf, _("Archive member included because of file (symbol)\n\n")); |
252b5132 | 1004 | minfo ("%s", buf); |
b34976b6 | 1005 | header_printed = TRUE; |
252b5132 RH |
1006 | } |
1007 | ||
1008 | if (bfd_my_archive (abfd) == NULL) | |
1009 | { | |
1010 | minfo ("%s", bfd_get_filename (abfd)); | |
1011 | len = strlen (bfd_get_filename (abfd)); | |
1012 | } | |
1013 | else | |
1014 | { | |
1015 | minfo ("%s(%s)", bfd_get_filename (bfd_my_archive (abfd)), | |
1016 | bfd_get_filename (abfd)); | |
1017 | len = (strlen (bfd_get_filename (bfd_my_archive (abfd))) | |
1018 | + strlen (bfd_get_filename (abfd)) | |
1019 | + 2); | |
1020 | } | |
1021 | ||
1022 | if (len >= 29) | |
1023 | { | |
1024 | print_nl (); | |
1025 | len = 0; | |
1026 | } | |
1027 | while (len < 30) | |
1028 | { | |
1029 | print_space (); | |
1030 | ++len; | |
1031 | } | |
1032 | ||
1033 | if (from != NULL) | |
1034 | minfo ("%B ", from); | |
1035 | if (h != NULL) | |
1036 | minfo ("(%T)\n", h->root.string); | |
1037 | else | |
1038 | minfo ("(%s)\n", name); | |
1039 | } | |
1040 | ||
1041 | if (trace_files || trace_file_tries) | |
1042 | info_msg ("%I\n", input); | |
1043 | ||
b34976b6 | 1044 | return TRUE; |
252b5132 RH |
1045 | } |
1046 | ||
1047 | /* This is called when BFD has discovered a symbol which is defined | |
1048 | multiple times. */ | |
1049 | ||
b34976b6 | 1050 | static bfd_boolean |
1579bae1 AM |
1051 | multiple_definition (struct bfd_link_info *info ATTRIBUTE_UNUSED, |
1052 | const char *name, | |
1053 | bfd *obfd, | |
1054 | asection *osec, | |
1055 | bfd_vma oval, | |
1056 | bfd *nbfd, | |
1057 | asection *nsec, | |
1058 | bfd_vma nval) | |
252b5132 RH |
1059 | { |
1060 | /* If either section has the output_section field set to | |
1061 | bfd_abs_section_ptr, it means that the section is being | |
1062 | discarded, and this is not really a multiple definition at all. | |
1063 | FIXME: It would be cleaner to somehow ignore symbols defined in | |
1064 | sections which are being discarded. */ | |
1065 | if ((osec->output_section != NULL | |
1066 | && ! bfd_is_abs_section (osec) | |
1067 | && bfd_is_abs_section (osec->output_section)) | |
1068 | || (nsec->output_section != NULL | |
1069 | && ! bfd_is_abs_section (nsec) | |
1070 | && bfd_is_abs_section (nsec->output_section))) | |
b34976b6 | 1071 | return TRUE; |
252b5132 RH |
1072 | |
1073 | einfo (_("%X%C: multiple definition of `%T'\n"), | |
1074 | nbfd, nsec, nval, name); | |
1579bae1 | 1075 | if (obfd != NULL) |
252b5132 | 1076 | einfo (_("%D: first defined here\n"), obfd, osec, oval); |
9b14b192 NC |
1077 | |
1078 | if (command_line.relax) | |
1079 | { | |
1080 | einfo (_("%P: Disabling relaxation: it will not work with multiple definitions\n")); | |
1081 | command_line.relax = 0; | |
1082 | } | |
6d5e62f8 | 1083 | |
b34976b6 | 1084 | return TRUE; |
252b5132 RH |
1085 | } |
1086 | ||
1087 | /* This is called when there is a definition of a common symbol, or | |
1088 | when a common symbol is found for a symbol that is already defined, | |
1089 | or when two common symbols are found. We only do something if | |
1090 | -warn-common was used. */ | |
1091 | ||
b34976b6 | 1092 | static bfd_boolean |
1579bae1 AM |
1093 | multiple_common (struct bfd_link_info *info ATTRIBUTE_UNUSED, |
1094 | const char *name, | |
1095 | bfd *obfd, | |
1096 | enum bfd_link_hash_type otype, | |
1097 | bfd_vma osize, | |
1098 | bfd *nbfd, | |
1099 | enum bfd_link_hash_type ntype, | |
1100 | bfd_vma nsize) | |
252b5132 RH |
1101 | { |
1102 | if (! config.warn_common) | |
b34976b6 | 1103 | return TRUE; |
252b5132 RH |
1104 | |
1105 | if (ntype == bfd_link_hash_defined | |
1106 | || ntype == bfd_link_hash_defweak | |
1107 | || ntype == bfd_link_hash_indirect) | |
1108 | { | |
1109 | ASSERT (otype == bfd_link_hash_common); | |
1110 | einfo (_("%B: warning: definition of `%T' overriding common\n"), | |
1111 | nbfd, name); | |
1112 | if (obfd != NULL) | |
1113 | einfo (_("%B: warning: common is here\n"), obfd); | |
1114 | } | |
1115 | else if (otype == bfd_link_hash_defined | |
1116 | || otype == bfd_link_hash_defweak | |
1117 | || otype == bfd_link_hash_indirect) | |
1118 | { | |
1119 | ASSERT (ntype == bfd_link_hash_common); | |
1120 | einfo (_("%B: warning: common of `%T' overridden by definition\n"), | |
1121 | nbfd, name); | |
1122 | if (obfd != NULL) | |
1123 | einfo (_("%B: warning: defined here\n"), obfd); | |
1124 | } | |
1125 | else | |
1126 | { | |
1127 | ASSERT (otype == bfd_link_hash_common && ntype == bfd_link_hash_common); | |
1128 | if (osize > nsize) | |
1129 | { | |
1130 | einfo (_("%B: warning: common of `%T' overridden by larger common\n"), | |
1131 | nbfd, name); | |
1132 | if (obfd != NULL) | |
1133 | einfo (_("%B: warning: larger common is here\n"), obfd); | |
1134 | } | |
1135 | else if (nsize > osize) | |
1136 | { | |
1137 | einfo (_("%B: warning: common of `%T' overriding smaller common\n"), | |
1138 | nbfd, name); | |
1139 | if (obfd != NULL) | |
1140 | einfo (_("%B: warning: smaller common is here\n"), obfd); | |
1141 | } | |
1142 | else | |
1143 | { | |
1144 | einfo (_("%B: warning: multiple common of `%T'\n"), nbfd, name); | |
1145 | if (obfd != NULL) | |
1146 | einfo (_("%B: warning: previous common is here\n"), obfd); | |
1147 | } | |
1148 | } | |
1149 | ||
b34976b6 | 1150 | return TRUE; |
252b5132 RH |
1151 | } |
1152 | ||
1153 | /* This is called when BFD has discovered a set element. H is the | |
1154 | entry in the linker hash table for the set. SECTION and VALUE | |
1155 | represent a value which should be added to the set. */ | |
1156 | ||
b34976b6 | 1157 | static bfd_boolean |
1579bae1 AM |
1158 | add_to_set (struct bfd_link_info *info ATTRIBUTE_UNUSED, |
1159 | struct bfd_link_hash_entry *h, | |
1160 | bfd_reloc_code_real_type reloc, | |
1161 | bfd *abfd, | |
1162 | asection *section, | |
1163 | bfd_vma value) | |
252b5132 RH |
1164 | { |
1165 | if (config.warn_constructors) | |
1166 | einfo (_("%P: warning: global constructor %s used\n"), | |
1167 | h->root.string); | |
1168 | ||
1169 | if (! config.build_constructors) | |
b34976b6 | 1170 | return TRUE; |
252b5132 | 1171 | |
1579bae1 | 1172 | ldctor_add_set_entry (h, reloc, NULL, section, value); |
252b5132 RH |
1173 | |
1174 | if (h->type == bfd_link_hash_new) | |
1175 | { | |
1176 | h->type = bfd_link_hash_undefined; | |
1177 | h->u.undef.abfd = abfd; | |
1178 | /* We don't call bfd_link_add_undef to add this to the list of | |
1179 | undefined symbols because we are going to define it | |
1180 | ourselves. */ | |
1181 | } | |
1182 | ||
b34976b6 | 1183 | return TRUE; |
252b5132 RH |
1184 | } |
1185 | ||
1186 | /* This is called when BFD has discovered a constructor. This is only | |
1187 | called for some object file formats--those which do not handle | |
1188 | constructors in some more clever fashion. This is similar to | |
1189 | adding an element to a set, but less general. */ | |
1190 | ||
b34976b6 | 1191 | static bfd_boolean |
1579bae1 AM |
1192 | constructor_callback (struct bfd_link_info *info, |
1193 | bfd_boolean constructor, | |
1194 | const char *name, | |
1195 | bfd *abfd, | |
1196 | asection *section, | |
1197 | bfd_vma value) | |
252b5132 RH |
1198 | { |
1199 | char *s; | |
1200 | struct bfd_link_hash_entry *h; | |
1201 | char set_name[1 + sizeof "__CTOR_LIST__"]; | |
1202 | ||
1203 | if (config.warn_constructors) | |
1204 | einfo (_("%P: warning: global constructor %s used\n"), name); | |
1205 | ||
1206 | if (! config.build_constructors) | |
b34976b6 | 1207 | return TRUE; |
252b5132 RH |
1208 | |
1209 | /* Ensure that BFD_RELOC_CTOR exists now, so that we can give a | |
1210 | useful error message. */ | |
1211 | if (bfd_reloc_type_lookup (output_bfd, BFD_RELOC_CTOR) == NULL | |
e1fffbe6 | 1212 | && (info->relocatable |
252b5132 RH |
1213 | || bfd_reloc_type_lookup (abfd, BFD_RELOC_CTOR) == NULL)) |
1214 | einfo (_("%P%F: BFD backend error: BFD_RELOC_CTOR unsupported\n")); | |
1215 | ||
1216 | s = set_name; | |
1217 | if (bfd_get_symbol_leading_char (abfd) != '\0') | |
1218 | *s++ = bfd_get_symbol_leading_char (abfd); | |
1219 | if (constructor) | |
1220 | strcpy (s, "__CTOR_LIST__"); | |
1221 | else | |
1222 | strcpy (s, "__DTOR_LIST__"); | |
1223 | ||
b34976b6 | 1224 | h = bfd_link_hash_lookup (info->hash, set_name, TRUE, TRUE, TRUE); |
252b5132 RH |
1225 | if (h == (struct bfd_link_hash_entry *) NULL) |
1226 | einfo (_("%P%F: bfd_link_hash_lookup failed: %E\n")); | |
1227 | if (h->type == bfd_link_hash_new) | |
1228 | { | |
1229 | h->type = bfd_link_hash_undefined; | |
1230 | h->u.undef.abfd = abfd; | |
1231 | /* We don't call bfd_link_add_undef to add this to the list of | |
1232 | undefined symbols because we are going to define it | |
1233 | ourselves. */ | |
1234 | } | |
1235 | ||
1236 | ldctor_add_set_entry (h, BFD_RELOC_CTOR, name, section, value); | |
b34976b6 | 1237 | return TRUE; |
252b5132 RH |
1238 | } |
1239 | ||
1240 | /* A structure used by warning_callback to pass information through | |
1241 | bfd_map_over_sections. */ | |
1242 | ||
0125cdf2 NC |
1243 | struct warning_callback_info |
1244 | { | |
b34976b6 | 1245 | bfd_boolean found; |
252b5132 RH |
1246 | const char *warning; |
1247 | const char *symbol; | |
1248 | asymbol **asymbols; | |
1249 | }; | |
1250 | ||
1251 | /* This is called when there is a reference to a warning symbol. */ | |
1252 | ||
b34976b6 | 1253 | static bfd_boolean |
1579bae1 AM |
1254 | warning_callback (struct bfd_link_info *info ATTRIBUTE_UNUSED, |
1255 | const char *warning, | |
1256 | const char *symbol, | |
1257 | bfd *abfd, | |
1258 | asection *section, | |
1259 | bfd_vma address) | |
252b5132 RH |
1260 | { |
1261 | /* This is a hack to support warn_multiple_gp. FIXME: This should | |
1262 | have a cleaner interface, but what? */ | |
1263 | if (! config.warn_multiple_gp | |
1264 | && strcmp (warning, "using multiple gp values") == 0) | |
b34976b6 | 1265 | return TRUE; |
252b5132 RH |
1266 | |
1267 | if (section != NULL) | |
300475fe | 1268 | einfo ("%C: %s%s\n", abfd, section, address, _("warning: "), warning); |
252b5132 | 1269 | else if (abfd == NULL) |
300475fe | 1270 | einfo ("%P: %s%s\n", _("warning: "), warning); |
252b5132 | 1271 | else if (symbol == NULL) |
300475fe | 1272 | einfo ("%B: %s%s\n", abfd, _("warning: "), warning); |
252b5132 RH |
1273 | else |
1274 | { | |
1275 | lang_input_statement_type *entry; | |
1276 | asymbol **asymbols; | |
1277 | struct warning_callback_info info; | |
1278 | ||
1279 | /* Look through the relocs to see if we can find a plausible | |
1280 | address. */ | |
252b5132 RH |
1281 | entry = (lang_input_statement_type *) abfd->usrdata; |
1282 | if (entry != NULL && entry->asymbols != NULL) | |
1283 | asymbols = entry->asymbols; | |
1284 | else | |
1285 | { | |
1286 | long symsize; | |
1287 | long symbol_count; | |
1288 | ||
1289 | symsize = bfd_get_symtab_upper_bound (abfd); | |
1290 | if (symsize < 0) | |
1291 | einfo (_("%B%F: could not read symbols: %E\n"), abfd); | |
1579bae1 | 1292 | asymbols = xmalloc (symsize); |
252b5132 RH |
1293 | symbol_count = bfd_canonicalize_symtab (abfd, asymbols); |
1294 | if (symbol_count < 0) | |
1295 | einfo (_("%B%F: could not read symbols: %E\n"), abfd); | |
1296 | if (entry != NULL) | |
1297 | { | |
1298 | entry->asymbols = asymbols; | |
1299 | entry->symbol_count = symbol_count; | |
1300 | } | |
1301 | } | |
1302 | ||
b34976b6 | 1303 | info.found = FALSE; |
252b5132 RH |
1304 | info.warning = warning; |
1305 | info.symbol = symbol; | |
1306 | info.asymbols = asymbols; | |
1579bae1 | 1307 | bfd_map_over_sections (abfd, warning_find_reloc, &info); |
252b5132 RH |
1308 | |
1309 | if (! info.found) | |
300475fe | 1310 | einfo ("%B: %s%s\n", abfd, _("warning: "), warning); |
252b5132 RH |
1311 | |
1312 | if (entry == NULL) | |
1313 | free (asymbols); | |
1314 | } | |
1315 | ||
b34976b6 | 1316 | return TRUE; |
252b5132 RH |
1317 | } |
1318 | ||
1319 | /* This is called by warning_callback for each section. It checks the | |
1320 | relocs of the section to see if it can find a reference to the | |
1321 | symbol which triggered the warning. If it can, it uses the reloc | |
1322 | to give an error message with a file and line number. */ | |
1323 | ||
1324 | static void | |
1579bae1 | 1325 | warning_find_reloc (bfd *abfd, asection *sec, void *iarg) |
252b5132 | 1326 | { |
1579bae1 | 1327 | struct warning_callback_info *info = iarg; |
252b5132 RH |
1328 | long relsize; |
1329 | arelent **relpp; | |
1330 | long relcount; | |
1331 | arelent **p, **pend; | |
1332 | ||
1333 | if (info->found) | |
1334 | return; | |
1335 | ||
1336 | relsize = bfd_get_reloc_upper_bound (abfd, sec); | |
1337 | if (relsize < 0) | |
1338 | einfo (_("%B%F: could not read relocs: %E\n"), abfd); | |
1339 | if (relsize == 0) | |
1340 | return; | |
1341 | ||
1579bae1 | 1342 | relpp = xmalloc (relsize); |
252b5132 RH |
1343 | relcount = bfd_canonicalize_reloc (abfd, sec, relpp, info->asymbols); |
1344 | if (relcount < 0) | |
1345 | einfo (_("%B%F: could not read relocs: %E\n"), abfd); | |
1346 | ||
1347 | p = relpp; | |
1348 | pend = p + relcount; | |
1349 | for (; p < pend && *p != NULL; p++) | |
1350 | { | |
1351 | arelent *q = *p; | |
1352 | ||
1353 | if (q->sym_ptr_ptr != NULL | |
1354 | && *q->sym_ptr_ptr != NULL | |
1355 | && strcmp (bfd_asymbol_name (*q->sym_ptr_ptr), info->symbol) == 0) | |
1356 | { | |
1357 | /* We found a reloc for the symbol we are looking for. */ | |
300475fe HPN |
1358 | einfo ("%C: %s%s\n", abfd, sec, q->address, _("warning: "), |
1359 | info->warning); | |
b34976b6 | 1360 | info->found = TRUE; |
252b5132 RH |
1361 | break; |
1362 | } | |
1363 | } | |
1364 | ||
1365 | free (relpp); | |
1366 | } | |
1367 | ||
1368 | /* This is called when an undefined symbol is found. */ | |
1369 | ||
b34976b6 | 1370 | static bfd_boolean |
1579bae1 AM |
1371 | undefined_symbol (struct bfd_link_info *info ATTRIBUTE_UNUSED, |
1372 | const char *name, | |
1373 | bfd *abfd, | |
1374 | asection *section, | |
1375 | bfd_vma address, | |
0b28295d | 1376 | bfd_boolean error) |
252b5132 RH |
1377 | { |
1378 | static char *error_name; | |
1379 | static unsigned int error_count; | |
1380 | ||
1381 | #define MAX_ERRORS_IN_A_ROW 5 | |
1382 | ||
1383 | if (config.warn_once) | |
1384 | { | |
1385 | static struct bfd_hash_table *hash; | |
1386 | ||
1387 | /* Only warn once about a particular undefined symbol. */ | |
252b5132 RH |
1388 | if (hash == NULL) |
1389 | { | |
1579bae1 | 1390 | hash = xmalloc (sizeof (struct bfd_hash_table)); |
66eb6687 AM |
1391 | if (!bfd_hash_table_init (hash, bfd_hash_newfunc, |
1392 | sizeof (struct bfd_hash_entry))) | |
252b5132 RH |
1393 | einfo (_("%F%P: bfd_hash_table_init failed: %E\n")); |
1394 | } | |
1395 | ||
b34976b6 AM |
1396 | if (bfd_hash_lookup (hash, name, FALSE, FALSE) != NULL) |
1397 | return TRUE; | |
252b5132 | 1398 | |
b34976b6 | 1399 | if (bfd_hash_lookup (hash, name, TRUE, TRUE) == NULL) |
252b5132 RH |
1400 | einfo (_("%F%P: bfd_hash_lookup failed: %E\n")); |
1401 | } | |
1402 | ||
1403 | /* We never print more than a reasonable number of errors in a row | |
1404 | for a single symbol. */ | |
1579bae1 | 1405 | if (error_name != NULL |
252b5132 RH |
1406 | && strcmp (name, error_name) == 0) |
1407 | ++error_count; | |
1408 | else | |
1409 | { | |
1410 | error_count = 0; | |
1579bae1 | 1411 | if (error_name != NULL) |
252b5132 | 1412 | free (error_name); |
d1b2b2dc | 1413 | error_name = xstrdup (name); |
252b5132 RH |
1414 | } |
1415 | ||
1416 | if (section != NULL) | |
1417 | { | |
1418 | if (error_count < MAX_ERRORS_IN_A_ROW) | |
b6f29aaa | 1419 | { |
0b28295d ILT |
1420 | if (error) |
1421 | einfo (_("%X%C: undefined reference to `%T'\n"), | |
1422 | abfd, section, address, name); | |
1423 | else | |
1424 | einfo (_("%C: warning: undefined reference to `%T'\n"), | |
1425 | abfd, section, address, name); | |
b6f29aaa | 1426 | } |
252b5132 | 1427 | else if (error_count == MAX_ERRORS_IN_A_ROW) |
0b28295d ILT |
1428 | { |
1429 | if (error) | |
1430 | einfo (_("%X%D: more undefined references to `%T' follow\n"), | |
1431 | abfd, section, address, name); | |
1432 | else | |
1433 | einfo (_("%D: warning: more undefined references to `%T' follow\n"), | |
1434 | abfd, section, address, name); | |
1435 | } | |
1436 | else if (error) | |
1437 | einfo ("%X"); | |
252b5132 RH |
1438 | } |
1439 | else | |
1440 | { | |
1441 | if (error_count < MAX_ERRORS_IN_A_ROW) | |
b6f29aaa | 1442 | { |
0b28295d ILT |
1443 | if (error) |
1444 | einfo (_("%X%B: undefined reference to `%T'\n"), | |
1445 | abfd, name); | |
1446 | else | |
1447 | einfo (_("%B: warning: undefined reference to `%T'\n"), | |
1448 | abfd, name); | |
b6f29aaa | 1449 | } |
252b5132 | 1450 | else if (error_count == MAX_ERRORS_IN_A_ROW) |
0b28295d ILT |
1451 | { |
1452 | if (error) | |
1453 | einfo (_("%X%B: more undefined references to `%T' follow\n"), | |
1454 | abfd, name); | |
1455 | else | |
1456 | einfo (_("%B: warning: more undefined references to `%T' follow\n"), | |
1457 | abfd, name); | |
1458 | } | |
1459 | else if (error) | |
1460 | einfo ("%X"); | |
252b5132 RH |
1461 | } |
1462 | ||
b34976b6 | 1463 | return TRUE; |
252b5132 RH |
1464 | } |
1465 | ||
8aae64e6 AO |
1466 | /* Counter to limit the number of relocation overflow error messages |
1467 | to print. Errors are printed as it is decremented. When it's | |
1468 | called and the counter is zero, a final message is printed | |
1469 | indicating more relocations were omitted. When it gets to -1, no | |
1470 | such errors are printed. If it's initially set to a value less | |
1471 | than -1, all such errors will be printed (--verbose does this). */ | |
1472 | ||
1473 | int overflow_cutoff_limit = 10; | |
1474 | ||
252b5132 RH |
1475 | /* This is called when a reloc overflows. */ |
1476 | ||
b34976b6 | 1477 | static bfd_boolean |
1579bae1 | 1478 | reloc_overflow (struct bfd_link_info *info ATTRIBUTE_UNUSED, |
dfeffb9f | 1479 | struct bfd_link_hash_entry *entry, |
1579bae1 AM |
1480 | const char *name, |
1481 | const char *reloc_name, | |
1482 | bfd_vma addend, | |
1483 | bfd *abfd, | |
1484 | asection *section, | |
1485 | bfd_vma address) | |
252b5132 | 1486 | { |
8aae64e6 AO |
1487 | if (overflow_cutoff_limit == -1) |
1488 | return TRUE; | |
1489 | ||
e1fffbe6 | 1490 | einfo ("%X%C:", abfd, section, address); |
8aae64e6 AO |
1491 | |
1492 | if (overflow_cutoff_limit >= 0 | |
1493 | && overflow_cutoff_limit-- == 0) | |
1494 | { | |
1495 | einfo (_(" additional relocation overflows omitted from the output\n")); | |
1496 | return TRUE; | |
1497 | } | |
1498 | ||
dfeffb9f L |
1499 | if (entry) |
1500 | { | |
1501 | while (entry->type == bfd_link_hash_indirect | |
1502 | || entry->type == bfd_link_hash_warning) | |
1503 | entry = entry->u.i.link; | |
1504 | switch (entry->type) | |
1505 | { | |
1506 | case bfd_link_hash_undefined: | |
1507 | case bfd_link_hash_undefweak: | |
1508 | einfo (_(" relocation truncated to fit: %s against undefined symbol `%T'"), | |
1509 | reloc_name, entry->root.string); | |
1510 | break; | |
1511 | case bfd_link_hash_defined: | |
1512 | case bfd_link_hash_defweak: | |
1513 | einfo (_(" relocation truncated to fit: %s against symbol `%T' defined in %A section in %B"), | |
1514 | reloc_name, entry->root.string, | |
a6e1b90f L |
1515 | entry->u.def.section, |
1516 | entry->u.def.section == bfd_abs_section_ptr | |
1517 | ? output_bfd : entry->u.def.section->owner); | |
dfeffb9f L |
1518 | break; |
1519 | default: | |
1520 | abort (); | |
1521 | break; | |
1522 | } | |
1523 | } | |
1524 | else | |
1525 | einfo (_(" relocation truncated to fit: %s against `%T'"), | |
1526 | reloc_name, name); | |
252b5132 RH |
1527 | if (addend != 0) |
1528 | einfo ("+%v", addend); | |
1529 | einfo ("\n"); | |
b34976b6 | 1530 | return TRUE; |
252b5132 RH |
1531 | } |
1532 | ||
1533 | /* This is called when a dangerous relocation is made. */ | |
1534 | ||
b34976b6 | 1535 | static bfd_boolean |
1579bae1 AM |
1536 | reloc_dangerous (struct bfd_link_info *info ATTRIBUTE_UNUSED, |
1537 | const char *message, | |
1538 | bfd *abfd, | |
1539 | asection *section, | |
1540 | bfd_vma address) | |
252b5132 | 1541 | { |
e1fffbe6 AM |
1542 | einfo (_("%X%C: dangerous relocation: %s\n"), |
1543 | abfd, section, address, message); | |
b34976b6 | 1544 | return TRUE; |
252b5132 RH |
1545 | } |
1546 | ||
1547 | /* This is called when a reloc is being generated attached to a symbol | |
1548 | that is not being output. */ | |
1549 | ||
b34976b6 | 1550 | static bfd_boolean |
1579bae1 AM |
1551 | unattached_reloc (struct bfd_link_info *info ATTRIBUTE_UNUSED, |
1552 | const char *name, | |
1553 | bfd *abfd, | |
1554 | asection *section, | |
1555 | bfd_vma address) | |
252b5132 | 1556 | { |
e1fffbe6 AM |
1557 | einfo (_("%X%C: reloc refers to symbol `%T' which is not being output\n"), |
1558 | abfd, section, address, name); | |
b34976b6 | 1559 | return TRUE; |
252b5132 RH |
1560 | } |
1561 | ||
1562 | /* This is called if link_info.notice_all is set, or when a symbol in | |
1563 | link_info.notice_hash is found. Symbols are put in notice_hash | |
1564 | using the -y option. */ | |
1565 | ||
b34976b6 | 1566 | static bfd_boolean |
1579bae1 AM |
1567 | notice (struct bfd_link_info *info, |
1568 | const char *name, | |
1569 | bfd *abfd, | |
1570 | asection *section, | |
1571 | bfd_vma value) | |
252b5132 | 1572 | { |
5061a885 AM |
1573 | if (name == NULL) |
1574 | { | |
1575 | if (command_line.cref || nocrossref_list != NULL) | |
1576 | return handle_asneeded_cref (abfd, value); | |
1577 | return TRUE; | |
1578 | } | |
1579 | ||
252b5132 RH |
1580 | if (! info->notice_all |
1581 | || (info->notice_hash != NULL | |
b34976b6 | 1582 | && bfd_hash_lookup (info->notice_hash, name, FALSE, FALSE) != NULL)) |
252b5132 RH |
1583 | { |
1584 | if (bfd_is_und_section (section)) | |
1585 | einfo ("%B: reference to %s\n", abfd, name); | |
1586 | else | |
1587 | einfo ("%B: definition of %s\n", abfd, name); | |
1588 | } | |
1589 | ||
1590 | if (command_line.cref || nocrossref_list != NULL) | |
1591 | add_cref (name, abfd, section, value); | |
1592 | ||
b34976b6 | 1593 | return TRUE; |
252b5132 | 1594 | } |