Commit | Line | Data |
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8594f568 | 1 | /* Main program of GNU linker. |
7d6439d9 | 2 | Copyright (C) 1991, 92, 93, 94, 1995 Free Software Foundation, Inc. |
ce4d59e2 | 3 | Written by Steve Chamberlain steve@cygnus.com |
e47bfa63 | 4 | |
2fa0b342 DHW |
5 | This file is part of GLD, the Gnu Linker. |
6 | ||
7 | GLD is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
ce4d59e2 | 9 | the Free Software Foundation; either version 2, or (at your option) |
2fa0b342 DHW |
10 | any later version. |
11 | ||
12 | GLD is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with GLD; see the file COPYING. If not, write to | |
943fbd5b | 19 | the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ |
2fa0b342 | 20 | |
2fa0b342 | 21 | |
2fa0b342 | 22 | #include "bfd.h" |
f177a611 | 23 | #include "sysdep.h" |
b9395be3 | 24 | #include <stdio.h> |
7d6439d9 | 25 | #include <ctype.h> |
d4e5e3c3 | 26 | #include "libiberty.h" |
a735edad | 27 | #include "progress.h" |
b9395be3 | 28 | #include "bfdlink.h" |
2fa0b342 | 29 | |
2fa0b342 DHW |
30 | #include "ld.h" |
31 | #include "ldmain.h" | |
32 | #include "ldmisc.h" | |
33 | #include "ldwrite.h" | |
34 | #include "ldgram.h" | |
fcf276c4 | 35 | #include "ldexp.h" |
2fa0b342 | 36 | #include "ldlang.h" |
8c514453 | 37 | #include "ldemul.h" |
2fa0b342 DHW |
38 | #include "ldlex.h" |
39 | #include "ldfile.h" | |
c611e285 | 40 | #include "ldctor.h" |
9d1fe8a4 | 41 | |
922018a1 | 42 | /* Somewhere above, sys/stat.h got included . . . . */ |
d723cd17 DM |
43 | #if !defined(S_ISDIR) && defined(S_IFDIR) |
44 | #define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR) | |
45 | #endif | |
46 | ||
47 | #include <string.h> | |
48 | ||
fcf276c4 ILT |
49 | static char *get_emulation PARAMS ((int, char **)); |
50 | static void set_scripts_dir PARAMS ((void)); | |
e47bfa63 | 51 | |
2fa0b342 DHW |
52 | /* EXPORTS */ |
53 | ||
54 | char *default_target; | |
fcf276c4 | 55 | const char *output_filename = "a.out"; |
e47bfa63 | 56 | |
2fa0b342 DHW |
57 | /* Name this program was invoked by. */ |
58 | char *program_name; | |
59 | ||
60 | /* The file that we're creating */ | |
b6316534 | 61 | bfd *output_bfd = 0; |
2fa0b342 | 62 | |
173a0c3d DM |
63 | /* Set by -G argument, for MIPS ECOFF target. */ |
64 | int g_switch_value = 8; | |
65 | ||
2fa0b342 DHW |
66 | /* Nonzero means print names of input files as processed. */ |
67 | boolean trace_files; | |
68 | ||
bbd2521f DM |
69 | /* Nonzero means same, but note open failures, too. */ |
70 | boolean trace_file_tries; | |
71 | ||
7b40f2b1 DM |
72 | /* Nonzero means version number was printed, so exit successfully |
73 | instead of complaining if no input files are given. */ | |
74 | boolean version_printed; | |
75 | ||
f2f55b16 ILT |
76 | /* Nonzero means link in every member of an archive. */ |
77 | boolean whole_archive; | |
78 | ||
2fa0b342 | 79 | args_type command_line; |
173a0c3d | 80 | |
2fa0b342 | 81 | ld_config_type config; |
9f629407 ILT |
82 | |
83 | static boolean check_for_scripts_dir PARAMS ((char *dir)); | |
b9395be3 ILT |
84 | static boolean add_archive_element PARAMS ((struct bfd_link_info *, bfd *, |
85 | const char *)); | |
86 | static boolean multiple_definition PARAMS ((struct bfd_link_info *, | |
87 | const char *, | |
88 | bfd *, asection *, bfd_vma, | |
89 | bfd *, asection *, bfd_vma)); | |
90 | static boolean multiple_common PARAMS ((struct bfd_link_info *, | |
91 | const char *, bfd *, | |
92 | enum bfd_link_hash_type, bfd_vma, | |
93 | bfd *, enum bfd_link_hash_type, | |
94 | bfd_vma)); | |
95 | static boolean add_to_set PARAMS ((struct bfd_link_info *, | |
96 | struct bfd_link_hash_entry *, | |
2a9fa50c | 97 | bfd_reloc_code_real_type, |
b9395be3 ILT |
98 | bfd *, asection *, bfd_vma)); |
99 | static boolean constructor_callback PARAMS ((struct bfd_link_info *, | |
100 | boolean constructor, | |
b9395be3 ILT |
101 | const char *name, |
102 | bfd *, asection *, bfd_vma)); | |
103 | static boolean warning_callback PARAMS ((struct bfd_link_info *, | |
7d6439d9 ILT |
104 | const char *, const char *, bfd *, |
105 | asection *, bfd_vma)); | |
106 | static void warning_find_reloc PARAMS ((bfd *, asection *, PTR)); | |
b9395be3 ILT |
107 | static boolean undefined_symbol PARAMS ((struct bfd_link_info *, |
108 | const char *, bfd *, | |
109 | asection *, bfd_vma)); | |
5dad4c97 ILT |
110 | static boolean reloc_overflow PARAMS ((struct bfd_link_info *, const char *, |
111 | const char *, bfd_vma, | |
112 | bfd *, asection *, bfd_vma)); | |
b9395be3 ILT |
113 | static boolean reloc_dangerous PARAMS ((struct bfd_link_info *, const char *, |
114 | bfd *, asection *, bfd_vma)); | |
115 | static boolean unattached_reloc PARAMS ((struct bfd_link_info *, | |
116 | const char *, bfd *, asection *, | |
117 | bfd_vma)); | |
118 | static boolean notice_ysym PARAMS ((struct bfd_link_info *, const char *, | |
119 | bfd *, asection *, bfd_vma)); | |
120 | ||
121 | static struct bfd_link_callbacks link_callbacks = | |
122 | { | |
123 | add_archive_element, | |
124 | multiple_definition, | |
125 | multiple_common, | |
126 | add_to_set, | |
127 | constructor_callback, | |
128 | warning_callback, | |
129 | undefined_symbol, | |
130 | reloc_overflow, | |
131 | reloc_dangerous, | |
132 | unattached_reloc, | |
133 | notice_ysym | |
134 | }; | |
135 | ||
136 | struct bfd_link_info link_info; | |
173a0c3d | 137 | \f |
0b2f8d2e DM |
138 | static void |
139 | remove_output () | |
140 | { | |
141 | if (output_filename) | |
142 | { | |
143 | if (output_bfd && output_bfd->iostream) | |
144 | fclose((FILE *)(output_bfd->iostream)); | |
145 | if (delete_output_file_on_failure) | |
146 | unlink (output_filename); | |
147 | } | |
148 | } | |
149 | ||
9f629407 | 150 | int |
2fa0b342 | 151 | main (argc, argv) |
2fa0b342 | 152 | int argc; |
9f629407 | 153 | char **argv; |
2fa0b342 DHW |
154 | { |
155 | char *emulation; | |
8594f568 | 156 | long start_time = get_run_time (); |
e47bfa63 | 157 | |
2fa0b342 | 158 | program_name = argv[0]; |
5bcb7f28 | 159 | xmalloc_set_program_name (program_name); |
99fe4553 | 160 | |
a735edad ILT |
161 | START_PROGRESS (program_name, 0); |
162 | ||
e47bfa63 | 163 | bfd_init (); |
bfbdc80f | 164 | |
28113e82 ILT |
165 | bfd_set_error_program_name (program_name); |
166 | ||
5bcb7f28 | 167 | xatexit (remove_output); |
0b2f8d2e | 168 | |
2fa0b342 | 169 | /* Initialize the data about options. */ |
7b40f2b1 | 170 | trace_files = trace_file_tries = version_printed = false; |
f2f55b16 | 171 | whole_archive = false; |
c96386c4 | 172 | config.traditional_format = false; |
b9395be3 | 173 | config.build_constructors = true; |
2a9fa50c | 174 | config.dynamic_link = false; |
2fa0b342 | 175 | command_line.force_common_definition = false; |
7fb9ca5f | 176 | command_line.interpreter = NULL; |
cc23cc69 | 177 | command_line.rpath = NULL; |
2fa0b342 | 178 | |
b9395be3 ILT |
179 | link_info.callbacks = &link_callbacks; |
180 | link_info.relocateable = false; | |
64887de2 | 181 | link_info.shared = false; |
4551e108 | 182 | link_info.symbolic = false; |
7d6439d9 | 183 | link_info.static_link = false; |
b9395be3 ILT |
184 | link_info.strip = strip_none; |
185 | link_info.discard = discard_none; | |
186 | link_info.lprefix_len = 1; | |
187 | link_info.lprefix = "L"; | |
188 | link_info.keep_memory = true; | |
189 | link_info.input_bfds = NULL; | |
190 | link_info.create_object_symbols_section = NULL; | |
191 | link_info.hash = NULL; | |
192 | link_info.keep_hash = NULL; | |
193 | link_info.notice_hash = NULL; | |
e3d73386 | 194 | link_info.wrap_hash = NULL; |
7d6439d9 | 195 | |
e47bfa63 | 196 | ldfile_add_arch (""); |
a72f4e5f | 197 | |
2fa0b342 DHW |
198 | config.make_executable = true; |
199 | force_make_executable = false; | |
ce4d59e2 SC |
200 | config.magic_demand_paged = true; |
201 | config.text_read_only = true; | |
2fa0b342 | 202 | config.make_executable = true; |
1418c83b | 203 | |
d723cd17 | 204 | emulation = get_emulation (argc, argv); |
e47bfa63 SC |
205 | ldemul_choose_mode (emulation); |
206 | default_target = ldemul_choose_target (); | |
207 | lang_init (); | |
208 | ldemul_before_parse (); | |
2fa0b342 | 209 | lang_has_input_file = false; |
e47bfa63 | 210 | parse_args (argc, argv); |
f3739bc3 | 211 | |
7d6439d9 ILT |
212 | ldemul_set_symbols (); |
213 | ||
2a9fa50c ILT |
214 | if (link_info.relocateable) |
215 | { | |
216 | if (command_line.relax) | |
217 | einfo ("%P%F: -relax and -r may not be used together\n"); | |
64887de2 ILT |
218 | if (link_info.shared) |
219 | einfo ("%P%F: -r and -shared may not be used together\n"); | |
2a9fa50c ILT |
220 | } |
221 | ||
8ed88239 ILT |
222 | /* Treat ld -r -s as ld -r -S -x (i.e., strip all local symbols). I |
223 | don't see how else this can be handled, since in this case we | |
224 | must preserve all externally visible symbols. */ | |
225 | if (link_info.relocateable && link_info.strip == strip_all) | |
226 | { | |
227 | link_info.strip = strip_debugger; | |
228 | if (link_info.discard == discard_none) | |
229 | link_info.discard = discard_all; | |
230 | } | |
231 | ||
973e421e ILT |
232 | /* This essentially adds another -L directory so this must be done after |
233 | the -L's in argv have been processed. */ | |
234 | set_scripts_dir (); | |
235 | ||
bbd2521f DM |
236 | if (had_script == false) |
237 | { | |
238 | /* Read the emulation's appropriate default script. */ | |
2a28d8b0 DM |
239 | int isfile; |
240 | char *s = ldemul_get_script (&isfile); | |
241 | ||
242 | if (isfile) | |
d4e5e3c3 | 243 | ldfile_open_command_file (s); |
2a28d8b0 | 244 | else |
22c41f00 ILT |
245 | { |
246 | if (trace_file_tries) | |
247 | { | |
248 | info_msg ("using internal linker script:\n"); | |
249 | info_msg ("==================================================\n"); | |
250 | info_msg (s); | |
251 | info_msg ("\n==================================================\n"); | |
252 | } | |
7d6439d9 | 253 | lex_string = s; |
22c41f00 ILT |
254 | lex_redirect (s); |
255 | } | |
d4e5e3c3 DM |
256 | parser_input = input_script; |
257 | yyparse (); | |
7d6439d9 | 258 | lex_string = NULL; |
bbd2521f DM |
259 | } |
260 | ||
e47bfa63 | 261 | lang_final (); |
9d1fe8a4 | 262 | |
e47bfa63 SC |
263 | if (lang_has_input_file == false) |
264 | { | |
7b40f2b1 | 265 | if (version_printed) |
0b2f8d2e | 266 | xexit (0); |
973e421e | 267 | einfo ("%P%F: no input files\n"); |
870f54b2 | 268 | } |
2fa0b342 | 269 | |
bbd2521f DM |
270 | if (trace_files) |
271 | { | |
973e421e | 272 | info_msg ("%P: mode %s\n", emulation); |
bbd2521f DM |
273 | } |
274 | ||
e47bfa63 | 275 | ldemul_after_parse (); |
870f54b2 | 276 | |
9d1fe8a4 | 277 | |
e47bfa63 | 278 | if (config.map_filename) |
870f54b2 | 279 | { |
e47bfa63 | 280 | if (strcmp (config.map_filename, "-") == 0) |
2e2bf962 | 281 | { |
e47bfa63 | 282 | config.map_file = stdout; |
2e2bf962 | 283 | } |
e47bfa63 SC |
284 | else |
285 | { | |
286 | config.map_file = fopen (config.map_filename, FOPEN_WT); | |
287 | if (config.map_file == (FILE *) NULL) | |
288 | { | |
de71eb77 | 289 | bfd_set_error (bfd_error_system_call); |
bbd2521f | 290 | einfo ("%P%F: cannot open map file %s: %E\n", |
e47bfa63 SC |
291 | config.map_filename); |
292 | } | |
293 | } | |
294 | } | |
870f54b2 | 295 | |
2e2bf962 | 296 | |
e47bfa63 | 297 | lang_process (); |
2fa0b342 | 298 | |
2fa0b342 DHW |
299 | /* Print error messages for any missing symbols, for any warning |
300 | symbols, and possibly multiple definitions */ | |
301 | ||
2fa0b342 | 302 | |
e47bfa63 SC |
303 | if (config.text_read_only) |
304 | { | |
305 | /* Look for a text section and mark the readonly attribute in it */ | |
306 | asection *found = bfd_get_section_by_name (output_bfd, ".text"); | |
307 | ||
308 | if (found != (asection *) NULL) | |
309 | { | |
310 | found->flags |= SEC_READONLY; | |
311 | } | |
3e4c643d | 312 | } |
2fa0b342 | 313 | |
a735edad | 314 | if (link_info.relocateable) |
f3739bc3 | 315 | output_bfd->flags &= ~EXEC_P; |
a72f4e5f | 316 | else |
f3739bc3 | 317 | output_bfd->flags |= EXEC_P; |
b257477f | 318 | |
f3739bc3 | 319 | ldwrite (); |
b257477f | 320 | |
f3739bc3 SC |
321 | /* Even if we're producing relocateable output, some non-fatal errors should |
322 | be reported in the exit status. (What non-fatal errors, if any, do we | |
323 | want to ignore for relocateable output?) */ | |
a72f4e5f | 324 | |
f3739bc3 SC |
325 | if (config.make_executable == false && force_make_executable == false) |
326 | { | |
327 | if (trace_files == true) | |
e47bfa63 | 328 | { |
973e421e | 329 | einfo ("%P: link errors found, deleting executable `%s'\n", |
f3739bc3 | 330 | output_filename); |
e47bfa63 | 331 | } |
a72f4e5f | 332 | |
f3739bc3 SC |
333 | if (output_bfd->iostream) |
334 | fclose ((FILE *) (output_bfd->iostream)); | |
a72f4e5f | 335 | |
f3739bc3 | 336 | unlink (output_filename); |
0b2f8d2e | 337 | xexit (1); |
f3739bc3 SC |
338 | } |
339 | else | |
340 | { | |
2a9fa50c ILT |
341 | if (! bfd_close (output_bfd)) |
342 | einfo ("%F%B: final close failed: %E\n", output_bfd); | |
f3739bc3 | 343 | } |
2fa0b342 | 344 | |
a735edad ILT |
345 | END_PROGRESS (program_name); |
346 | ||
b9395be3 ILT |
347 | if (config.stats) |
348 | { | |
349 | extern char **environ; | |
eac6290c | 350 | #ifdef HAVE_SBRK |
b9395be3 | 351 | char *lim = (char *) sbrk (0); |
de71eb77 | 352 | #endif |
8594f568 | 353 | long run_time = get_run_time () - start_time; |
b9395be3 | 354 | |
5bcb7f28 | 355 | fprintf (stderr, "%s: total time in link: %ld.%06ld\n", |
8594f568 | 356 | program_name, run_time / 1000000, run_time % 1000000); |
eac6290c | 357 | #ifdef HAVE_SBRK |
b9395be3 ILT |
358 | fprintf (stderr, "%s: data size %ld\n", program_name, |
359 | (long) (lim - (char *) &environ)); | |
de71eb77 | 360 | #endif |
b9395be3 ILT |
361 | } |
362 | ||
52a8ebfe DM |
363 | /* Prevent remove_output from doing anything, after a successful link. */ |
364 | output_filename = NULL; | |
365 | ||
0b2f8d2e | 366 | xexit (0); |
9f629407 | 367 | return 0; |
d723cd17 DM |
368 | } |
369 | ||
370 | /* We need to find any explicitly given emulation in order to initialize the | |
371 | state that's needed by the lex&yacc argument parser (parse_args). */ | |
372 | ||
373 | static char * | |
374 | get_emulation (argc, argv) | |
375 | int argc; | |
376 | char **argv; | |
377 | { | |
378 | char *emulation; | |
379 | int i; | |
380 | ||
d723cd17 DM |
381 | emulation = (char *) getenv (EMULATION_ENVIRON); |
382 | if (emulation == NULL) | |
383 | emulation = DEFAULT_EMULATION; | |
d723cd17 DM |
384 | |
385 | for (i = 1; i < argc; i++) | |
386 | { | |
387 | if (!strncmp (argv[i], "-m", 2)) | |
388 | { | |
389 | if (argv[i][2] == '\0') | |
390 | { | |
391 | /* -m EMUL */ | |
392 | if (i < argc - 1) | |
393 | { | |
394 | emulation = argv[i + 1]; | |
395 | i++; | |
396 | } | |
397 | else | |
398 | { | |
973e421e | 399 | einfo("%P%F: missing argument to -m\n"); |
d723cd17 DM |
400 | } |
401 | } | |
973e421e ILT |
402 | else if (strcmp (argv[i], "-mips1") == 0 |
403 | || strcmp (argv[i], "-mips2") == 0 | |
404 | || strcmp (argv[i], "-mips3") == 0) | |
405 | { | |
406 | /* FIXME: The arguments -mips1, -mips2 and -mips3 are | |
407 | passed to the linker by some MIPS compilers. They | |
408 | generally tell the linker to use a slightly different | |
409 | library path. Perhaps someday these should be | |
410 | implemented as emulations; until then, we just ignore | |
411 | the arguments and hope that nobody ever creates | |
412 | emulations named ips1, ips2 or ips3. */ | |
413 | } | |
cbbf9608 ILT |
414 | else if (strcmp (argv[i], "-m486") == 0) |
415 | { | |
416 | /* FIXME: The argument -m486 is passed to the linker on | |
417 | some Linux systems. Hope that nobody creates an | |
418 | emulation named 486. */ | |
419 | } | |
d723cd17 DM |
420 | else |
421 | { | |
422 | /* -mEMUL */ | |
423 | emulation = &argv[i][2]; | |
424 | } | |
425 | } | |
426 | } | |
427 | ||
428 | return emulation; | |
429 | } | |
430 | ||
431 | /* If directory DIR contains an "ldscripts" subdirectory, | |
432 | add DIR to the library search path and return true, | |
433 | else return false. */ | |
434 | ||
435 | static boolean | |
436 | check_for_scripts_dir (dir) | |
437 | char *dir; | |
438 | { | |
439 | size_t dirlen; | |
440 | char *buf; | |
441 | struct stat s; | |
442 | boolean res; | |
443 | ||
444 | dirlen = strlen (dir); | |
445 | /* sizeof counts the terminating NUL. */ | |
0b2f8d2e | 446 | buf = (char *) xmalloc (dirlen + sizeof("/ldscripts")); |
d723cd17 DM |
447 | sprintf (buf, "%s/ldscripts", dir); |
448 | ||
449 | res = stat (buf, &s) == 0 && S_ISDIR (s.st_mode); | |
f4208462 | 450 | free (buf); |
d723cd17 | 451 | if (res) |
0cd82d00 | 452 | ldfile_add_library_path (dir, false); |
d723cd17 DM |
453 | return res; |
454 | } | |
455 | ||
456 | /* Set the default directory for finding script files. | |
f4208462 DM |
457 | Libraries will be searched for here too, but that's ok. |
458 | We look for the "ldscripts" directory in: | |
459 | ||
f4208462 | 460 | SCRIPTDIR (passed from Makefile) |
bbd2521f DM |
461 | the dir where this program is (for using it from the build tree) |
462 | the dir where this program is/../lib (for installing the tool suite elsewhere) */ | |
d723cd17 DM |
463 | |
464 | static void | |
465 | set_scripts_dir () | |
466 | { | |
f4208462 DM |
467 | char *end, *dir; |
468 | size_t dirlen; | |
469 | ||
d723cd17 | 470 | if (check_for_scripts_dir (SCRIPTDIR)) |
f4208462 | 471 | return; /* We've been installed normally. */ |
d723cd17 DM |
472 | |
473 | /* Look for "ldscripts" in the dir where our binary is. */ | |
474 | end = strrchr (program_name, '/'); | |
7d6439d9 ILT |
475 | |
476 | if (end == NULL) | |
bbd2521f | 477 | { |
7d6439d9 ILT |
478 | /* Don't look for ldscripts in the current directory. There is |
479 | too much potential for confusion. */ | |
480 | return; | |
bbd2521f | 481 | } |
f4208462 | 482 | |
7d6439d9 ILT |
483 | dirlen = end - program_name; |
484 | /* Make a copy of program_name in dir. | |
485 | Leave room for later "/../lib". */ | |
486 | dir = (char *) xmalloc (dirlen + 8); | |
487 | strncpy (dir, program_name, dirlen); | |
488 | dir[dirlen] = '\0'; | |
489 | ||
f4208462 DM |
490 | if (check_for_scripts_dir (dir)) |
491 | return; /* Don't free dir. */ | |
492 | ||
493 | /* Look for "ldscripts" in <the dir where our binary is>/../lib. */ | |
494 | strcpy (dir + dirlen, "/../lib"); | |
495 | if (check_for_scripts_dir (dir)) | |
496 | return; | |
497 | ||
498 | free (dir); /* Well, we tried. */ | |
d723cd17 | 499 | } |
2fa0b342 | 500 | |
e47bfa63 | 501 | void |
b9395be3 ILT |
502 | add_ysym (name) |
503 | const char *name; | |
2fa0b342 | 504 | { |
b9395be3 ILT |
505 | if (link_info.notice_hash == (struct bfd_hash_table *) NULL) |
506 | { | |
507 | link_info.notice_hash = ((struct bfd_hash_table *) | |
0b2f8d2e | 508 | xmalloc (sizeof (struct bfd_hash_table))); |
b9395be3 ILT |
509 | if (! bfd_hash_table_init_n (link_info.notice_hash, |
510 | bfd_hash_newfunc, | |
511 | 61)) | |
512 | einfo ("%P%F: bfd_hash_table_init failed: %E\n"); | |
513 | } | |
514 | ||
515 | if (bfd_hash_lookup (link_info.notice_hash, name, true, true) | |
516 | == (struct bfd_hash_entry *) NULL) | |
517 | einfo ("%P%F: bfd_hash_lookup failed: %E\n"); | |
2fa0b342 | 518 | } |
e47bfa63 | 519 | |
28113e82 ILT |
520 | /* Record a symbol to be wrapped, from the --wrap option. */ |
521 | ||
522 | void | |
523 | add_wrap (name) | |
524 | const char *name; | |
525 | { | |
526 | if (link_info.wrap_hash == NULL) | |
527 | { | |
528 | link_info.wrap_hash = ((struct bfd_hash_table *) | |
529 | xmalloc (sizeof (struct bfd_hash_table))); | |
530 | if (! bfd_hash_table_init_n (link_info.wrap_hash, | |
531 | bfd_hash_newfunc, | |
532 | 61)) | |
533 | einfo ("%P%F: bfd_hash_table_init failed: %E\n"); | |
534 | } | |
535 | if (bfd_hash_lookup (link_info.wrap_hash, name, true, true) == NULL) | |
536 | einfo ("%P%F: bfd_hash_lookup failed: %E\n"); | |
537 | } | |
538 | ||
b9395be3 | 539 | /* Handle the -retain-symbols-file option. */ |
2fa0b342 | 540 | |
2fa0b342 | 541 | void |
b9395be3 ILT |
542 | add_keepsyms_file (filename) |
543 | const char *filename; | |
2fa0b342 | 544 | { |
b9395be3 ILT |
545 | FILE *file; |
546 | char *buf; | |
547 | size_t bufsize; | |
548 | int c; | |
2fa0b342 | 549 | |
b9395be3 ILT |
550 | if (link_info.strip == strip_some) |
551 | einfo ("%X%P: error: duplicate retain-symbols-file\n"); | |
3e4c643d | 552 | |
b9395be3 ILT |
553 | file = fopen (filename, "r"); |
554 | if (file == (FILE *) NULL) | |
e47bfa63 | 555 | { |
5bcb7f28 | 556 | bfd_set_error (bfd_error_system_call); |
7d6439d9 | 557 | einfo ("%X%P: %s: %E\n", filename); |
b9395be3 | 558 | return; |
be1627d3 | 559 | } |
be1627d3 | 560 | |
b9395be3 | 561 | link_info.keep_hash = ((struct bfd_hash_table *) |
0b2f8d2e | 562 | xmalloc (sizeof (struct bfd_hash_table))); |
b9395be3 ILT |
563 | if (! bfd_hash_table_init (link_info.keep_hash, bfd_hash_newfunc)) |
564 | einfo ("%P%F: bfd_hash_table_init failed: %E\n"); | |
2fa0b342 | 565 | |
b9395be3 | 566 | bufsize = 100; |
0b2f8d2e | 567 | buf = (char *) xmalloc (bufsize); |
c611e285 | 568 | |
b9395be3 ILT |
569 | c = getc (file); |
570 | while (c != EOF) | |
29f33467 | 571 | { |
b9395be3 ILT |
572 | while (isspace (c)) |
573 | c = getc (file); | |
e47bfa63 | 574 | |
b9395be3 | 575 | if (c != EOF) |
29f33467 | 576 | { |
b9395be3 | 577 | size_t len = 0; |
8a045e50 | 578 | |
b9395be3 | 579 | while (! isspace (c) && c != EOF) |
29f33467 | 580 | { |
b9395be3 ILT |
581 | buf[len] = c; |
582 | ++len; | |
583 | if (len >= bufsize) | |
29f33467 | 584 | { |
b9395be3 | 585 | bufsize *= 2; |
0b2f8d2e | 586 | buf = xrealloc (buf, bufsize); |
29f33467 | 587 | } |
b9395be3 | 588 | c = getc (file); |
29f33467 | 589 | } |
81016051 | 590 | |
b9395be3 ILT |
591 | buf[len] = '\0'; |
592 | ||
593 | if (bfd_hash_lookup (link_info.keep_hash, buf, true, true) | |
594 | == (struct bfd_hash_entry *) NULL) | |
7d6439d9 | 595 | einfo ("%P%F: bfd_hash_lookup for insertion failed: %E\n"); |
29f33467 | 596 | } |
e47bfa63 | 597 | } |
2fa0b342 | 598 | |
b9395be3 ILT |
599 | if (link_info.strip != strip_none) |
600 | einfo ("%P: `-retain-symbols-file' overrides `-s' and `-S'\n"); | |
8a045e50 | 601 | |
b9395be3 ILT |
602 | link_info.strip = strip_some; |
603 | } | |
604 | \f | |
605 | /* Callbacks from the BFD linker routines. */ | |
2fa0b342 | 606 | |
b9395be3 ILT |
607 | /* This is called when BFD has decided to include an archive member in |
608 | a link. */ | |
2fa0b342 | 609 | |
b9395be3 ILT |
610 | /*ARGSUSED*/ |
611 | static boolean | |
612 | add_archive_element (info, abfd, name) | |
613 | struct bfd_link_info *info; | |
614 | bfd *abfd; | |
615 | const char *name; | |
2fa0b342 | 616 | { |
b9395be3 ILT |
617 | lang_input_statement_type *input; |
618 | ||
619 | input = ((lang_input_statement_type *) | |
7d6439d9 | 620 | xmalloc (sizeof (lang_input_statement_type))); |
b9395be3 ILT |
621 | input->filename = abfd->filename; |
622 | input->local_sym_name = abfd->filename; | |
623 | input->the_bfd = abfd; | |
624 | input->asymbols = NULL; | |
b9395be3 ILT |
625 | input->next = NULL; |
626 | input->just_syms_flag = false; | |
627 | input->loaded = false; | |
210c52ac | 628 | input->search_dirs_flag = false; |
b9395be3 ILT |
629 | |
630 | /* FIXME: The following fields are not set: header.next, | |
210c52ac ILT |
631 | header.type, closed, passive_position, symbol_count, |
632 | next_real_file, is_archive, target, real, common_section, | |
633 | common_output_section, complained. This bit of code is from the | |
634 | old decode_library_subfile function. I don't know whether any of | |
635 | those fields matters. */ | |
b9395be3 ILT |
636 | |
637 | ldlang_add_file (input); | |
638 | ||
2a9fa50c ILT |
639 | if (config.map_file != (FILE *) NULL) |
640 | minfo ("%s needed due to %T\n", abfd->filename, name); | |
b9395be3 | 641 | |
5dad4c97 ILT |
642 | if (trace_files || trace_file_tries) |
643 | info_msg ("%I\n", input); | |
644 | ||
b9395be3 ILT |
645 | return true; |
646 | } | |
2fa0b342 | 647 | |
b9395be3 ILT |
648 | /* This is called when BFD has discovered a symbol which is defined |
649 | multiple times. */ | |
2fa0b342 | 650 | |
b9395be3 ILT |
651 | /*ARGSUSED*/ |
652 | static boolean | |
653 | multiple_definition (info, name, obfd, osec, oval, nbfd, nsec, nval) | |
654 | struct bfd_link_info *info; | |
655 | const char *name; | |
656 | bfd *obfd; | |
657 | asection *osec; | |
658 | bfd_vma oval; | |
659 | bfd *nbfd; | |
660 | asection *nsec; | |
661 | bfd_vma nval; | |
662 | { | |
663 | einfo ("%X%C: multiple definition of `%T'\n", | |
664 | nbfd, nsec, nval, name); | |
665 | if (obfd != (bfd *) NULL) | |
cc23cc69 | 666 | einfo ("%D: first defined here\n", obfd, osec, oval); |
b9395be3 | 667 | return true; |
2fa0b342 DHW |
668 | } |
669 | ||
b9395be3 ILT |
670 | /* This is called when there is a definition of a common symbol, or |
671 | when a common symbol is found for a symbol that is already defined, | |
672 | or when two common symbols are found. We only do something if | |
673 | -warn-common was used. */ | |
674 | ||
675 | /*ARGSUSED*/ | |
676 | static boolean | |
677 | multiple_common (info, name, obfd, otype, osize, nbfd, ntype, nsize) | |
678 | struct bfd_link_info *info; | |
679 | const char *name; | |
680 | bfd *obfd; | |
681 | enum bfd_link_hash_type otype; | |
682 | bfd_vma osize; | |
683 | bfd *nbfd; | |
684 | enum bfd_link_hash_type ntype; | |
685 | bfd_vma nsize; | |
99fe4553 | 686 | { |
b9395be3 ILT |
687 | if (! config.warn_common) |
688 | return true; | |
99fe4553 | 689 | |
8ed88239 ILT |
690 | if (ntype == bfd_link_hash_defined |
691 | || ntype == bfd_link_hash_defweak | |
692 | || ntype == bfd_link_hash_indirect) | |
e47bfa63 | 693 | { |
b9395be3 ILT |
694 | ASSERT (otype == bfd_link_hash_common); |
695 | einfo ("%B: warning: definition of `%T' overriding common\n", | |
696 | nbfd, name); | |
8ed88239 ILT |
697 | if (obfd != NULL) |
698 | einfo ("%B: warning: common is here\n", obfd); | |
e47bfa63 | 699 | } |
8ed88239 ILT |
700 | else if (otype == bfd_link_hash_defined |
701 | || otype == bfd_link_hash_defweak | |
702 | || otype == bfd_link_hash_indirect) | |
2fa0b342 | 703 | { |
b9395be3 ILT |
704 | ASSERT (ntype == bfd_link_hash_common); |
705 | einfo ("%B: warning: common of `%T' overridden by definition\n", | |
706 | nbfd, name); | |
8ed88239 ILT |
707 | if (obfd != NULL) |
708 | einfo ("%B: warning: defined here\n", obfd); | |
b9395be3 ILT |
709 | } |
710 | else | |
711 | { | |
712 | ASSERT (otype == bfd_link_hash_common && ntype == bfd_link_hash_common); | |
713 | if (osize > nsize) | |
2fa0b342 | 714 | { |
b9395be3 ILT |
715 | einfo ("%B: warning: common of `%T' overridden by larger common\n", |
716 | nbfd, name); | |
8ed88239 ILT |
717 | if (obfd != NULL) |
718 | einfo ("%B: warning: larger common is here\n", obfd); | |
2fa0b342 | 719 | } |
b9395be3 | 720 | else if (nsize > osize) |
2fa0b342 | 721 | { |
b9395be3 ILT |
722 | einfo ("%B: warning: common of `%T' overriding smaller common\n", |
723 | nbfd, name); | |
8ed88239 ILT |
724 | if (obfd != NULL) |
725 | einfo ("%B: warning: smaller common is here\n", obfd); | |
2fa0b342 | 726 | } |
e47bfa63 | 727 | else |
2fa0b342 | 728 | { |
b9395be3 | 729 | einfo ("%B: warning: multiple common of `%T'\n", nbfd, name); |
8ed88239 ILT |
730 | if (obfd != NULL) |
731 | einfo ("%B: warning: previous common is here\n", obfd); | |
2fa0b342 DHW |
732 | } |
733 | } | |
734 | ||
b9395be3 | 735 | return true; |
2fa0b342 DHW |
736 | } |
737 | ||
b9395be3 ILT |
738 | /* This is called when BFD has discovered a set element. H is the |
739 | entry in the linker hash table for the set. SECTION and VALUE | |
740 | represent a value which should be added to the set. */ | |
2fa0b342 | 741 | |
b9395be3 ILT |
742 | /*ARGSUSED*/ |
743 | static boolean | |
2a9fa50c | 744 | add_to_set (info, h, reloc, abfd, section, value) |
b9395be3 ILT |
745 | struct bfd_link_info *info; |
746 | struct bfd_link_hash_entry *h; | |
2a9fa50c | 747 | bfd_reloc_code_real_type reloc; |
b9395be3 ILT |
748 | bfd *abfd; |
749 | asection *section; | |
750 | bfd_vma value; | |
2fa0b342 | 751 | { |
7d6439d9 ILT |
752 | if (config.warn_constructors) |
753 | einfo ("%P: warning: global constructor %s used\n", | |
754 | h->root.string); | |
755 | ||
2a9fa50c ILT |
756 | if (! config.build_constructors) |
757 | return true; | |
758 | ||
4b7d2399 | 759 | ldctor_add_set_entry (h, reloc, (const char *) NULL, section, value); |
2a9fa50c ILT |
760 | |
761 | if (h->type == bfd_link_hash_new) | |
762 | { | |
763 | h->type = bfd_link_hash_undefined; | |
764 | h->u.undef.abfd = abfd; | |
765 | /* We don't call bfd_link_add_undef to add this to the list of | |
766 | undefined symbols because we are going to define it | |
767 | ourselves. */ | |
768 | } | |
769 | ||
b9395be3 ILT |
770 | return true; |
771 | } | |
1418c83b | 772 | |
b9395be3 ILT |
773 | /* This is called when BFD has discovered a constructor. This is only |
774 | called for some object file formats--those which do not handle | |
775 | constructors in some more clever fashion. This is similar to | |
776 | adding an element to a set, but less general. */ | |
2fa0b342 | 777 | |
b9395be3 | 778 | static boolean |
2a9fa50c | 779 | constructor_callback (info, constructor, name, abfd, section, value) |
b9395be3 ILT |
780 | struct bfd_link_info *info; |
781 | boolean constructor; | |
b9395be3 ILT |
782 | const char *name; |
783 | bfd *abfd; | |
784 | asection *section; | |
785 | bfd_vma value; | |
786 | { | |
b9395be3 ILT |
787 | char *s; |
788 | struct bfd_link_hash_entry *h; | |
7d6439d9 ILT |
789 | char set_name[1 + sizeof "__CTOR_LIST__"]; |
790 | ||
791 | if (config.warn_constructors) | |
792 | einfo ("%P: warning: global constructor %s used\n", name); | |
b9395be3 ILT |
793 | |
794 | if (! config.build_constructors) | |
795 | return true; | |
796 | ||
2a9fa50c ILT |
797 | /* Ensure that BFD_RELOC_CTOR exists now, so that we can give a |
798 | useful error message. */ | |
4b7d2399 ILT |
799 | if (bfd_reloc_type_lookup (output_bfd, BFD_RELOC_CTOR) == NULL |
800 | && (link_info.relocateable | |
801 | || bfd_reloc_type_lookup (abfd, BFD_RELOC_CTOR) == NULL)) | |
7d6439d9 | 802 | einfo ("%P%F: BFD backend error: BFD_RELOC_CTOR unsupported\n"); |
2a9fa50c | 803 | |
b9395be3 ILT |
804 | s = set_name; |
805 | if (bfd_get_symbol_leading_char (abfd) != '\0') | |
806 | *s++ = bfd_get_symbol_leading_char (abfd); | |
807 | if (constructor) | |
808 | strcpy (s, "__CTOR_LIST__"); | |
29f33467 | 809 | else |
b9395be3 | 810 | strcpy (s, "__DTOR_LIST__"); |
2fa0b342 | 811 | |
2a9fa50c ILT |
812 | if (config.map_file != (FILE *) NULL) |
813 | fprintf (config.map_file, | |
814 | "Adding %s to constructor/destructor set %s\n", name, set_name); | |
e47bfa63 | 815 | |
b9395be3 ILT |
816 | h = bfd_link_hash_lookup (info->hash, set_name, true, true, true); |
817 | if (h == (struct bfd_link_hash_entry *) NULL) | |
7d6439d9 | 818 | einfo ("%P%F: bfd_link_hash_lookup failed: %E\n"); |
b9395be3 | 819 | if (h->type == bfd_link_hash_new) |
e47bfa63 | 820 | { |
b9395be3 ILT |
821 | h->type = bfd_link_hash_undefined; |
822 | h->u.undef.abfd = abfd; | |
823 | /* We don't call bfd_link_add_undef to add this to the list of | |
824 | undefined symbols because we are going to define it | |
825 | ourselves. */ | |
2fa0b342 | 826 | } |
2fa0b342 | 827 | |
4b7d2399 | 828 | ldctor_add_set_entry (h, BFD_RELOC_CTOR, name, section, value); |
b9395be3 | 829 | return true; |
2fa0b342 DHW |
830 | } |
831 | ||
7d6439d9 ILT |
832 | /* A structure used by warning_callback to pass information through |
833 | bfd_map_over_sections. */ | |
834 | ||
835 | struct warning_callback_info | |
836 | { | |
837 | boolean found; | |
838 | const char *warning; | |
839 | const char *symbol; | |
840 | asymbol **asymbols; | |
841 | }; | |
842 | ||
b9395be3 | 843 | /* This is called when there is a reference to a warning symbol. */ |
2fa0b342 | 844 | |
b9395be3 ILT |
845 | /*ARGSUSED*/ |
846 | static boolean | |
7d6439d9 | 847 | warning_callback (info, warning, symbol, abfd, section, address) |
b9395be3 ILT |
848 | struct bfd_link_info *info; |
849 | const char *warning; | |
7d6439d9 ILT |
850 | const char *symbol; |
851 | bfd *abfd; | |
852 | asection *section; | |
853 | bfd_vma address; | |
2fa0b342 | 854 | { |
4b7d2399 ILT |
855 | /* This is a hack to support warn_multiple_gp. FIXME: This should |
856 | have a cleaner interface, but what? */ | |
857 | if (! config.warn_multiple_gp | |
858 | && strcmp (warning, "using multiple gp values") == 0) | |
859 | return true; | |
860 | ||
7d6439d9 ILT |
861 | if (section != NULL) |
862 | einfo ("%C: %s\n", abfd, section, address, warning); | |
863 | else if (abfd == NULL) | |
864 | einfo ("%P: %s\n", warning); | |
865 | else if (symbol == NULL) | |
866 | einfo ("%B: %s\n", abfd, warning); | |
867 | else | |
868 | { | |
869 | lang_input_statement_type *entry; | |
870 | asymbol **asymbols; | |
871 | struct warning_callback_info info; | |
872 | ||
873 | /* Look through the relocs to see if we can find a plausible | |
874 | address. */ | |
875 | ||
876 | entry = (lang_input_statement_type *) abfd->usrdata; | |
877 | if (entry != NULL && entry->asymbols != NULL) | |
878 | asymbols = entry->asymbols; | |
879 | else | |
880 | { | |
881 | long symsize; | |
882 | long symbol_count; | |
883 | ||
884 | symsize = bfd_get_symtab_upper_bound (abfd); | |
885 | if (symsize < 0) | |
886 | einfo ("%B%F: could not read symbols: %E\n", abfd); | |
887 | asymbols = (asymbol **) xmalloc (symsize); | |
888 | symbol_count = bfd_canonicalize_symtab (abfd, asymbols); | |
889 | if (symbol_count < 0) | |
890 | einfo ("%B%F: could not read symbols: %E\n", abfd); | |
891 | if (entry != NULL) | |
892 | { | |
893 | entry->asymbols = asymbols; | |
894 | entry->symbol_count = symbol_count; | |
895 | } | |
896 | } | |
897 | ||
898 | info.found = false; | |
899 | info.warning = warning; | |
900 | info.symbol = symbol; | |
901 | info.asymbols = asymbols; | |
902 | bfd_map_over_sections (abfd, warning_find_reloc, (PTR) &info); | |
903 | ||
904 | if (! info.found) | |
905 | einfo ("%B: %s\n", abfd, warning); | |
906 | } | |
907 | ||
b9395be3 | 908 | return true; |
2fa0b342 DHW |
909 | } |
910 | ||
7d6439d9 ILT |
911 | /* This is called by warning_callback for each section. It checks the |
912 | relocs of the section to see if it can find a reference to the | |
913 | symbol which triggered the warning. If it can, it uses the reloc | |
914 | to give an error message with a file and line number. */ | |
915 | ||
916 | static void | |
917 | warning_find_reloc (abfd, sec, iarg) | |
918 | bfd *abfd; | |
919 | asection *sec; | |
920 | PTR iarg; | |
921 | { | |
922 | struct warning_callback_info *info = (struct warning_callback_info *) iarg; | |
923 | long relsize; | |
924 | arelent **relpp; | |
925 | long relcount; | |
926 | arelent **p, **pend; | |
927 | ||
928 | if (info->found) | |
929 | return; | |
930 | ||
931 | relsize = bfd_get_reloc_upper_bound (abfd, sec); | |
932 | if (relsize < 0) | |
933 | einfo ("%B%F: could not read relocs: %E\n", abfd); | |
934 | if (relsize == 0) | |
935 | return; | |
936 | ||
937 | relpp = (arelent **) xmalloc (relsize); | |
938 | relcount = bfd_canonicalize_reloc (abfd, sec, relpp, info->asymbols); | |
939 | if (relcount < 0) | |
940 | einfo ("%B%F: could not read relocs: %E\n", abfd); | |
941 | ||
942 | p = relpp; | |
943 | pend = p + relcount; | |
944 | for (; p < pend && *p != NULL; p++) | |
945 | { | |
946 | arelent *q = *p; | |
947 | ||
948 | if (q->sym_ptr_ptr != NULL | |
949 | && *q->sym_ptr_ptr != NULL | |
950 | && strcmp (bfd_asymbol_name (*q->sym_ptr_ptr), info->symbol) == 0) | |
951 | { | |
952 | /* We found a reloc for the symbol we are looking for. */ | |
953 | einfo ("%C: %s\n", abfd, sec, q->address, info->warning); | |
954 | info->found = true; | |
955 | break; | |
956 | } | |
957 | } | |
958 | ||
959 | free (relpp); | |
960 | } | |
961 | ||
b9395be3 | 962 | /* This is called when an undefined symbol is found. */ |
2fa0b342 | 963 | |
b9395be3 ILT |
964 | /*ARGSUSED*/ |
965 | static boolean | |
966 | undefined_symbol (info, name, abfd, section, address) | |
967 | struct bfd_link_info *info; | |
968 | const char *name; | |
969 | bfd *abfd; | |
970 | asection *section; | |
971 | bfd_vma address; | |
972 | { | |
973 | static char *error_name; | |
974 | static unsigned int error_count; | |
29f33467 | 975 | |
b9395be3 | 976 | #define MAX_ERRORS_IN_A_ROW 5 |
8a045e50 | 977 | |
809ee7e0 ILT |
978 | if (config.warn_once) |
979 | { | |
980 | static struct bfd_hash_table *hash; | |
981 | ||
982 | /* Only warn once about a particular undefined symbol. */ | |
983 | ||
984 | if (hash == NULL) | |
985 | { | |
986 | hash = ((struct bfd_hash_table *) | |
987 | xmalloc (sizeof (struct bfd_hash_table))); | |
988 | if (! bfd_hash_table_init (hash, bfd_hash_newfunc)) | |
989 | einfo ("%F%P: bfd_hash_table_init failed: %E\n"); | |
990 | } | |
991 | ||
992 | if (bfd_hash_lookup (hash, name, false, false) != NULL) | |
993 | return true; | |
994 | ||
995 | if (bfd_hash_lookup (hash, name, true, true) == NULL) | |
996 | einfo ("%F%P: bfd_hash_lookup failed: %E\n"); | |
997 | } | |
998 | ||
b9395be3 ILT |
999 | /* We never print more than a reasonable number of errors in a row |
1000 | for a single symbol. */ | |
1001 | if (error_name != (char *) NULL | |
1002 | && strcmp (name, error_name) == 0) | |
1003 | ++error_count; | |
1004 | else | |
e47bfa63 | 1005 | { |
b9395be3 ILT |
1006 | error_count = 0; |
1007 | if (error_name != (char *) NULL) | |
1008 | free (error_name); | |
1009 | error_name = buystring (name); | |
1010 | } | |
2fa0b342 | 1011 | |
23244cd6 ILT |
1012 | if (section != NULL) |
1013 | { | |
1014 | if (error_count < MAX_ERRORS_IN_A_ROW) | |
1015 | einfo ("%X%C: undefined reference to `%T'\n", | |
1016 | abfd, section, address, name); | |
1017 | else if (error_count == MAX_ERRORS_IN_A_ROW) | |
1018 | einfo ("%D: more undefined references to `%T' follow\n", | |
1019 | abfd, section, address, name); | |
1020 | } | |
1021 | else | |
1022 | { | |
1023 | if (error_count < MAX_ERRORS_IN_A_ROW) | |
1024 | einfo ("%X%B: undefined reference to `%T'\n", | |
1025 | abfd, name); | |
1026 | else if (error_count == MAX_ERRORS_IN_A_ROW) | |
1027 | einfo ("%B: more undefined references to `%T' follow\n", | |
1028 | abfd, name); | |
1029 | } | |
2fa0b342 | 1030 | |
b9395be3 | 1031 | return true; |
2fa0b342 DHW |
1032 | } |
1033 | ||
b9395be3 | 1034 | /* This is called when a reloc overflows. */ |
2fa0b342 | 1035 | |
b9395be3 | 1036 | /*ARGSUSED*/ |
9f629407 | 1037 | static boolean |
5dad4c97 | 1038 | reloc_overflow (info, name, reloc_name, addend, abfd, section, address) |
b9395be3 | 1039 | struct bfd_link_info *info; |
5dad4c97 ILT |
1040 | const char *name; |
1041 | const char *reloc_name; | |
1042 | bfd_vma addend; | |
b9395be3 ILT |
1043 | bfd *abfd; |
1044 | asection *section; | |
1045 | bfd_vma address; | |
2fa0b342 | 1046 | { |
2a9fa50c ILT |
1047 | if (abfd == (bfd *) NULL) |
1048 | einfo ("%P%X: generated"); | |
1049 | else | |
1050 | einfo ("%X%C:", abfd, section, address); | |
1051 | einfo (" relocation truncated to fit: %s %T", reloc_name, name); | |
5dad4c97 ILT |
1052 | if (addend != 0) |
1053 | einfo ("+%v", addend); | |
1054 | einfo ("\n"); | |
b9395be3 ILT |
1055 | return true; |
1056 | } | |
2fa0b342 | 1057 | |
b9395be3 | 1058 | /* This is called when a dangerous relocation is made. */ |
3e4c643d | 1059 | |
b9395be3 ILT |
1060 | /*ARGSUSED*/ |
1061 | static boolean | |
1062 | reloc_dangerous (info, message, abfd, section, address) | |
1063 | struct bfd_link_info *info; | |
1064 | const char *message; | |
1065 | bfd *abfd; | |
1066 | asection *section; | |
1067 | bfd_vma address; | |
1068 | { | |
2a9fa50c ILT |
1069 | if (abfd == (bfd *) NULL) |
1070 | einfo ("%P%X: generated"); | |
1071 | else | |
1072 | einfo ("%X%C:", abfd, section, address); | |
1073 | einfo ("dangerous relocation: %s\n", message); | |
b9395be3 ILT |
1074 | return true; |
1075 | } | |
973e421e | 1076 | |
b9395be3 ILT |
1077 | /* This is called when a reloc is being generated attached to a symbol |
1078 | that is not being output. */ | |
2fa0b342 | 1079 | |
b9395be3 ILT |
1080 | /*ARGSUSED*/ |
1081 | static boolean | |
1082 | unattached_reloc (info, name, abfd, section, address) | |
1083 | struct bfd_link_info *info; | |
1084 | const char *name; | |
1085 | bfd *abfd; | |
1086 | asection *section; | |
1087 | bfd_vma address; | |
1088 | { | |
2a9fa50c ILT |
1089 | if (abfd == (bfd *) NULL) |
1090 | einfo ("%P%X: generated"); | |
1091 | else | |
1092 | einfo ("%X%C:", abfd, section, address); | |
1093 | einfo (" reloc refers to symbol `%T' which is not being output\n", name); | |
b9395be3 | 1094 | return true; |
2fa0b342 | 1095 | } |
8a045e50 | 1096 | |
b9395be3 ILT |
1097 | /* This is called when a symbol in notice_hash is found. Symbols are |
1098 | put in notice_hash using the -y option. */ | |
1099 | ||
1100 | /*ARGSUSED*/ | |
1101 | static boolean | |
1102 | notice_ysym (info, name, abfd, section, value) | |
1103 | struct bfd_link_info *info; | |
1104 | const char *name; | |
1105 | bfd *abfd; | |
1106 | asection *section; | |
1107 | bfd_vma value; | |
8a045e50 | 1108 | { |
b9395be3 | 1109 | einfo ("%B: %s %s\n", abfd, |
cc23cc69 | 1110 | bfd_is_und_section (section) ? "reference to" : "definition of", |
b9395be3 ILT |
1111 | name); |
1112 | return true; | |
8a045e50 | 1113 | } |