ChangeLog rotatation and copyright year update
[deliverable/binutils-gdb.git] / binutils / nm.c
1 /* nm.c -- Describe symbol table of a rel file.
2 Copyright (C) 1991-2015 Free Software Foundation, Inc.
3
4 This file is part of GNU Binutils.
5
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
10
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
15
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
19 02110-1301, USA. */
20
21 #include "sysdep.h"
22 #include "bfd.h"
23 #include "progress.h"
24 #include "getopt.h"
25 #include "aout/stab_gnu.h"
26 #include "aout/ranlib.h"
27 #include "demangle.h"
28 #include "libiberty.h"
29 #include "elf-bfd.h"
30 #include "elf/common.h"
31 #include "bucomm.h"
32 #include "plugin.h"
33
34 /* When sorting by size, we use this structure to hold the size and a
35 pointer to the minisymbol. */
36
37 struct size_sym
38 {
39 const void *minisym;
40 bfd_vma size;
41 };
42
43 /* When fetching relocs, we use this structure to pass information to
44 get_relocs. */
45
46 struct get_relocs_info
47 {
48 asection **secs;
49 arelent ***relocs;
50 long *relcount;
51 asymbol **syms;
52 };
53
54 struct extended_symbol_info
55 {
56 symbol_info *sinfo;
57 bfd_vma ssize;
58 elf_symbol_type *elfinfo;
59 /* FIXME: We should add more fields for Type, Line, Section. */
60 };
61 #define SYM_NAME(sym) (sym->sinfo->name)
62 #define SYM_VALUE(sym) (sym->sinfo->value)
63 #define SYM_TYPE(sym) (sym->sinfo->type)
64 #define SYM_STAB_NAME(sym) (sym->sinfo->stab_name)
65 #define SYM_STAB_DESC(sym) (sym->sinfo->stab_desc)
66 #define SYM_STAB_OTHER(sym) (sym->sinfo->stab_other)
67 #define SYM_SIZE(sym) \
68 (sym->elfinfo ? sym->elfinfo->internal_elf_sym.st_size: sym->ssize)
69
70 /* The output formatting functions. */
71 static void print_object_filename_bsd (char *);
72 static void print_object_filename_sysv (char *);
73 static void print_object_filename_posix (char *);
74 static void print_archive_filename_bsd (char *);
75 static void print_archive_filename_sysv (char *);
76 static void print_archive_filename_posix (char *);
77 static void print_archive_member_bsd (char *, const char *);
78 static void print_archive_member_sysv (char *, const char *);
79 static void print_archive_member_posix (char *, const char *);
80 static void print_symbol_filename_bsd (bfd *, bfd *);
81 static void print_symbol_filename_sysv (bfd *, bfd *);
82 static void print_symbol_filename_posix (bfd *, bfd *);
83 static void print_value (bfd *, bfd_vma);
84 static void print_symbol_info_bsd (struct extended_symbol_info *, bfd *);
85 static void print_symbol_info_sysv (struct extended_symbol_info *, bfd *);
86 static void print_symbol_info_posix (struct extended_symbol_info *, bfd *);
87
88 /* Support for different output formats. */
89 struct output_fns
90 {
91 /* Print the name of an object file given on the command line. */
92 void (*print_object_filename) (char *);
93
94 /* Print the name of an archive file given on the command line. */
95 void (*print_archive_filename) (char *);
96
97 /* Print the name of an archive member file. */
98 void (*print_archive_member) (char *, const char *);
99
100 /* Print the name of the file (and archive, if there is one)
101 containing a symbol. */
102 void (*print_symbol_filename) (bfd *, bfd *);
103
104 /* Print a line of information about a symbol. */
105 void (*print_symbol_info) (struct extended_symbol_info *, bfd *);
106 };
107
108 static struct output_fns formats[] =
109 {
110 {print_object_filename_bsd,
111 print_archive_filename_bsd,
112 print_archive_member_bsd,
113 print_symbol_filename_bsd,
114 print_symbol_info_bsd},
115 {print_object_filename_sysv,
116 print_archive_filename_sysv,
117 print_archive_member_sysv,
118 print_symbol_filename_sysv,
119 print_symbol_info_sysv},
120 {print_object_filename_posix,
121 print_archive_filename_posix,
122 print_archive_member_posix,
123 print_symbol_filename_posix,
124 print_symbol_info_posix}
125 };
126
127 /* Indices in `formats'. */
128 #define FORMAT_BSD 0
129 #define FORMAT_SYSV 1
130 #define FORMAT_POSIX 2
131 #define FORMAT_DEFAULT FORMAT_BSD
132
133 /* The output format to use. */
134 static struct output_fns *format = &formats[FORMAT_DEFAULT];
135
136 /* Command options. */
137
138 static int do_demangle = 0; /* Pretty print C++ symbol names. */
139 static int external_only = 0; /* Print external symbols only. */
140 static int defined_only = 0; /* Print defined symbols only. */
141 static int no_sort = 0; /* Don't sort; print syms in order found. */
142 static int print_debug_syms = 0;/* Print debugger-only symbols too. */
143 static int print_armap = 0; /* Describe __.SYMDEF data in archive files. */
144 static int print_size = 0; /* Print size of defined symbols. */
145 static int reverse_sort = 0; /* Sort in downward(alpha or numeric) order. */
146 static int sort_numerically = 0;/* Sort in numeric rather than alpha order. */
147 static int sort_by_size = 0; /* Sort by size of symbol. */
148 static int undefined_only = 0; /* Print undefined symbols only. */
149 static int dynamic = 0; /* Print dynamic symbols. */
150 static int show_version = 0; /* Show the version number. */
151 static int show_stats = 0; /* Show statistics. */
152 static int show_synthetic = 0; /* Display synthesized symbols too. */
153 static int line_numbers = 0; /* Print line numbers for symbols. */
154 static int allow_special_symbols = 0; /* Allow special symbols. */
155
156 /* When to print the names of files. Not mutually exclusive in SYSV format. */
157 static int filename_per_file = 0; /* Once per file, on its own line. */
158 static int filename_per_symbol = 0; /* Once per symbol, at start of line. */
159
160 /* Print formats for printing a symbol value. */
161 static char value_format_32bit[] = "%08lx";
162 #if BFD_HOST_64BIT_LONG
163 static char value_format_64bit[] = "%016lx";
164 #elif BFD_HOST_64BIT_LONG_LONG
165 #ifndef __MSVCRT__
166 static char value_format_64bit[] = "%016llx";
167 #else
168 static char value_format_64bit[] = "%016I64x";
169 #endif
170 #endif
171 static int print_width = 0;
172 static int print_radix = 16;
173 /* Print formats for printing stab info. */
174 static char other_format[] = "%02x";
175 static char desc_format[] = "%04x";
176
177 static char *target = NULL;
178 #if BFD_SUPPORTS_PLUGINS
179 static const char *plugin_target = "plugin";
180 #else
181 static const char *plugin_target = NULL;
182 #endif
183
184 /* Used to cache the line numbers for a BFD. */
185 static bfd *lineno_cache_bfd;
186 static bfd *lineno_cache_rel_bfd;
187
188 #define OPTION_TARGET 200
189 #define OPTION_PLUGIN (OPTION_TARGET + 1)
190 #define OPTION_SIZE_SORT (OPTION_PLUGIN + 1)
191
192 static struct option long_options[] =
193 {
194 {"debug-syms", no_argument, &print_debug_syms, 1},
195 {"demangle", optional_argument, 0, 'C'},
196 {"dynamic", no_argument, &dynamic, 1},
197 {"extern-only", no_argument, &external_only, 1},
198 {"format", required_argument, 0, 'f'},
199 {"help", no_argument, 0, 'h'},
200 {"line-numbers", no_argument, 0, 'l'},
201 {"no-cplus", no_argument, &do_demangle, 0}, /* Linux compatibility. */
202 {"no-demangle", no_argument, &do_demangle, 0},
203 {"no-sort", no_argument, 0, 'p'},
204 {"numeric-sort", no_argument, 0, 'n'},
205 {"plugin", required_argument, 0, OPTION_PLUGIN},
206 {"portability", no_argument, 0, 'P'},
207 {"print-armap", no_argument, &print_armap, 1},
208 {"print-file-name", no_argument, 0, 'o'},
209 {"print-size", no_argument, 0, 'S'},
210 {"radix", required_argument, 0, 't'},
211 {"reverse-sort", no_argument, &reverse_sort, 1},
212 {"size-sort", no_argument, 0, OPTION_SIZE_SORT},
213 {"special-syms", no_argument, &allow_special_symbols, 1},
214 {"stats", no_argument, &show_stats, 1},
215 {"synthetic", no_argument, &show_synthetic, 1},
216 {"target", required_argument, 0, OPTION_TARGET},
217 {"defined-only", no_argument, &defined_only, 1},
218 {"undefined-only", no_argument, &undefined_only, 1},
219 {"version", no_argument, &show_version, 1},
220 {0, no_argument, 0, 0}
221 };
222 \f
223 /* Some error-reporting functions. */
224
225 static void
226 usage (FILE *stream, int status)
227 {
228 fprintf (stream, _("Usage: %s [option(s)] [file(s)]\n"), program_name);
229 fprintf (stream, _(" List symbols in [file(s)] (a.out by default).\n"));
230 fprintf (stream, _(" The options are:\n\
231 -a, --debug-syms Display debugger-only symbols\n\
232 -A, --print-file-name Print name of the input file before every symbol\n\
233 -B Same as --format=bsd\n\
234 -C, --demangle[=STYLE] Decode low-level symbol names into user-level names\n\
235 The STYLE, if specified, can be `auto' (the default),\n\
236 `gnu', `lucid', `arm', `hp', `edg', `gnu-v3', `java'\n\
237 or `gnat'\n\
238 --no-demangle Do not demangle low-level symbol names\n\
239 -D, --dynamic Display dynamic symbols instead of normal symbols\n\
240 --defined-only Display only defined symbols\n\
241 -e (ignored)\n\
242 -f, --format=FORMAT Use the output format FORMAT. FORMAT can be `bsd',\n\
243 `sysv' or `posix'. The default is `bsd'\n\
244 -g, --extern-only Display only external symbols\n\
245 -l, --line-numbers Use debugging information to find a filename and\n\
246 line number for each symbol\n\
247 -n, --numeric-sort Sort symbols numerically by address\n\
248 -o Same as -A\n\
249 -p, --no-sort Do not sort the symbols\n\
250 -P, --portability Same as --format=posix\n\
251 -r, --reverse-sort Reverse the sense of the sort\n"));
252 #if BFD_SUPPORTS_PLUGINS
253 fprintf (stream, _("\
254 --plugin NAME Load the specified plugin\n"));
255 #endif
256 fprintf (stream, _("\
257 -S, --print-size Print size of defined symbols\n\
258 -s, --print-armap Include index for symbols from archive members\n\
259 --size-sort Sort symbols by size\n\
260 --special-syms Include special symbols in the output\n\
261 --synthetic Display synthetic symbols as well\n\
262 -t, --radix=RADIX Use RADIX for printing symbol values\n\
263 --target=BFDNAME Specify the target object format as BFDNAME\n\
264 -u, --undefined-only Display only undefined symbols\n\
265 -X 32_64 (ignored)\n\
266 @FILE Read options from FILE\n\
267 -h, --help Display this information\n\
268 -V, --version Display this program's version number\n\
269 \n"));
270 list_supported_targets (program_name, stream);
271 if (REPORT_BUGS_TO[0] && status == 0)
272 fprintf (stream, _("Report bugs to %s.\n"), REPORT_BUGS_TO);
273 exit (status);
274 }
275
276 /* Set the radix for the symbol value and size according to RADIX. */
277
278 static void
279 set_print_radix (char *radix)
280 {
281 switch (*radix)
282 {
283 case 'x':
284 break;
285 case 'd':
286 case 'o':
287 if (*radix == 'd')
288 print_radix = 10;
289 else
290 print_radix = 8;
291 value_format_32bit[4] = *radix;
292 #if BFD_HOST_64BIT_LONG
293 value_format_64bit[5] = *radix;
294 #elif BFD_HOST_64BIT_LONG_LONG
295 #ifndef __MSVCRT__
296 value_format_64bit[6] = *radix;
297 #else
298 value_format_64bit[7] = *radix;
299 #endif
300 #endif
301 other_format[3] = desc_format[3] = *radix;
302 break;
303 default:
304 fatal (_("%s: invalid radix"), radix);
305 }
306 }
307
308 static void
309 set_output_format (char *f)
310 {
311 int i;
312
313 switch (*f)
314 {
315 case 'b':
316 case 'B':
317 i = FORMAT_BSD;
318 break;
319 case 'p':
320 case 'P':
321 i = FORMAT_POSIX;
322 break;
323 case 's':
324 case 'S':
325 i = FORMAT_SYSV;
326 break;
327 default:
328 fatal (_("%s: invalid output format"), f);
329 }
330 format = &formats[i];
331 }
332 \f
333 static const char *
334 get_symbol_type (unsigned int type)
335 {
336 static char buff [32];
337
338 switch (type)
339 {
340 case STT_NOTYPE: return "NOTYPE";
341 case STT_OBJECT: return "OBJECT";
342 case STT_FUNC: return "FUNC";
343 case STT_SECTION: return "SECTION";
344 case STT_FILE: return "FILE";
345 case STT_COMMON: return "COMMON";
346 case STT_TLS: return "TLS";
347 default:
348 if (type >= STT_LOPROC && type <= STT_HIPROC)
349 sprintf (buff, _("<processor specific>: %d"), type);
350 else if (type >= STT_LOOS && type <= STT_HIOS)
351 sprintf (buff, _("<OS specific>: %d"), type);
352 else
353 sprintf (buff, _("<unknown>: %d"), type);
354 return buff;
355 }
356 }
357 \f
358 /* Print symbol name NAME, read from ABFD, with printf format FORM,
359 demangling it if requested. */
360
361 static void
362 print_symname (const char *form, const char *name, bfd *abfd)
363 {
364 if (do_demangle && *name)
365 {
366 char *res = bfd_demangle (abfd, name, DMGL_ANSI | DMGL_PARAMS);
367
368 if (res != NULL)
369 {
370 printf (form, res);
371 free (res);
372 return;
373 }
374 }
375
376 printf (form, name);
377 }
378
379 static void
380 print_symdef_entry (bfd *abfd)
381 {
382 symindex idx = BFD_NO_MORE_SYMBOLS;
383 carsym *thesym;
384 bfd_boolean everprinted = FALSE;
385
386 for (idx = bfd_get_next_mapent (abfd, idx, &thesym);
387 idx != BFD_NO_MORE_SYMBOLS;
388 idx = bfd_get_next_mapent (abfd, idx, &thesym))
389 {
390 bfd *elt;
391 if (!everprinted)
392 {
393 printf (_("\nArchive index:\n"));
394 everprinted = TRUE;
395 }
396 elt = bfd_get_elt_at_index (abfd, idx);
397 if (elt == NULL)
398 bfd_fatal ("bfd_get_elt_at_index");
399 if (thesym->name != (char *) NULL)
400 {
401 print_symname ("%s", thesym->name, abfd);
402 printf (" in %s\n", bfd_get_filename (elt));
403 }
404 }
405 }
406 \f
407 /* Choose which symbol entries to print;
408 compact them downward to get rid of the rest.
409 Return the number of symbols to be printed. */
410
411 static long
412 filter_symbols (bfd *abfd, bfd_boolean is_dynamic, void *minisyms,
413 long symcount, unsigned int size)
414 {
415 bfd_byte *from, *fromend, *to;
416 asymbol *store;
417
418 store = bfd_make_empty_symbol (abfd);
419 if (store == NULL)
420 bfd_fatal (bfd_get_filename (abfd));
421
422 from = (bfd_byte *) minisyms;
423 fromend = from + symcount * size;
424 to = (bfd_byte *) minisyms;
425
426 for (; from < fromend; from += size)
427 {
428 int keep = 0;
429 asymbol *sym;
430
431 PROGRESS (1);
432
433 sym = bfd_minisymbol_to_symbol (abfd, is_dynamic, (const void *) from, store);
434 if (sym == NULL)
435 bfd_fatal (bfd_get_filename (abfd));
436
437 if (strcmp (sym->name, "__gnu_lto_slim") == 0)
438 non_fatal (_("%s: plugin needed to handle lto object"),
439 bfd_get_filename (abfd));
440
441 if (undefined_only)
442 keep = bfd_is_und_section (sym->section);
443 else if (external_only)
444 /* PR binutls/12753: Unique symbols are global too. */
445 keep = ((sym->flags & (BSF_GLOBAL
446 | BSF_WEAK
447 | BSF_GNU_UNIQUE)) != 0
448 || bfd_is_und_section (sym->section)
449 || bfd_is_com_section (sym->section));
450 else
451 keep = 1;
452
453 if (keep
454 && ! print_debug_syms
455 && (sym->flags & BSF_DEBUGGING) != 0)
456 keep = 0;
457
458 if (keep
459 && sort_by_size
460 && (bfd_is_abs_section (sym->section)
461 || bfd_is_und_section (sym->section)))
462 keep = 0;
463
464 if (keep
465 && defined_only)
466 {
467 if (bfd_is_und_section (sym->section))
468 keep = 0;
469 }
470
471 if (keep
472 && bfd_is_target_special_symbol (abfd, sym)
473 && ! allow_special_symbols)
474 keep = 0;
475
476 if (keep)
477 {
478 if (to != from)
479 memcpy (to, from, size);
480 to += size;
481 }
482 }
483
484 return (to - (bfd_byte *) minisyms) / size;
485 }
486 \f
487 /* These globals are used to pass information into the sorting
488 routines. */
489 static bfd *sort_bfd;
490 static bfd_boolean sort_dynamic;
491 static asymbol *sort_x;
492 static asymbol *sort_y;
493
494 /* Symbol-sorting predicates */
495 #define valueof(x) ((x)->section->vma + (x)->value)
496
497 /* Numeric sorts. Undefined symbols are always considered "less than"
498 defined symbols with zero values. Common symbols are not treated
499 specially -- i.e., their sizes are used as their "values". */
500
501 static int
502 non_numeric_forward (const void *P_x, const void *P_y)
503 {
504 asymbol *x, *y;
505 const char *xn, *yn;
506
507 x = bfd_minisymbol_to_symbol (sort_bfd, sort_dynamic, P_x, sort_x);
508 y = bfd_minisymbol_to_symbol (sort_bfd, sort_dynamic, P_y, sort_y);
509 if (x == NULL || y == NULL)
510 bfd_fatal (bfd_get_filename (sort_bfd));
511
512 xn = bfd_asymbol_name (x);
513 yn = bfd_asymbol_name (y);
514
515 if (yn == NULL)
516 return xn != NULL;
517 if (xn == NULL)
518 return -1;
519
520 #ifdef HAVE_STRCOLL
521 /* Solaris 2.5 has a bug in strcoll.
522 strcoll returns invalid values when confronted with empty strings. */
523 if (*yn == '\0')
524 return *xn != '\0';
525 if (*xn == '\0')
526 return -1;
527
528 return strcoll (xn, yn);
529 #else
530 return strcmp (xn, yn);
531 #endif
532 }
533
534 static int
535 non_numeric_reverse (const void *x, const void *y)
536 {
537 return - non_numeric_forward (x, y);
538 }
539
540 static int
541 numeric_forward (const void *P_x, const void *P_y)
542 {
543 asymbol *x, *y;
544 asection *xs, *ys;
545
546 x = bfd_minisymbol_to_symbol (sort_bfd, sort_dynamic, P_x, sort_x);
547 y = bfd_minisymbol_to_symbol (sort_bfd, sort_dynamic, P_y, sort_y);
548 if (x == NULL || y == NULL)
549 bfd_fatal (bfd_get_filename (sort_bfd));
550
551 xs = bfd_get_section (x);
552 ys = bfd_get_section (y);
553
554 if (bfd_is_und_section (xs))
555 {
556 if (! bfd_is_und_section (ys))
557 return -1;
558 }
559 else if (bfd_is_und_section (ys))
560 return 1;
561 else if (valueof (x) != valueof (y))
562 return valueof (x) < valueof (y) ? -1 : 1;
563
564 return non_numeric_forward (P_x, P_y);
565 }
566
567 static int
568 numeric_reverse (const void *x, const void *y)
569 {
570 return - numeric_forward (x, y);
571 }
572
573 static int (*(sorters[2][2])) (const void *, const void *) =
574 {
575 { non_numeric_forward, non_numeric_reverse },
576 { numeric_forward, numeric_reverse }
577 };
578
579 /* This sort routine is used by sort_symbols_by_size. It is similar
580 to numeric_forward, but when symbols have the same value it sorts
581 by section VMA. This simplifies the sort_symbols_by_size code
582 which handles symbols at the end of sections. Also, this routine
583 tries to sort file names before other symbols with the same value.
584 That will make the file name have a zero size, which will make
585 sort_symbols_by_size choose the non file name symbol, leading to
586 more meaningful output. For similar reasons, this code sorts
587 gnu_compiled_* and gcc2_compiled before other symbols with the same
588 value. */
589
590 static int
591 size_forward1 (const void *P_x, const void *P_y)
592 {
593 asymbol *x, *y;
594 asection *xs, *ys;
595 const char *xn, *yn;
596 size_t xnl, ynl;
597 int xf, yf;
598
599 x = bfd_minisymbol_to_symbol (sort_bfd, sort_dynamic, P_x, sort_x);
600 y = bfd_minisymbol_to_symbol (sort_bfd, sort_dynamic, P_y, sort_y);
601 if (x == NULL || y == NULL)
602 bfd_fatal (bfd_get_filename (sort_bfd));
603
604 xs = bfd_get_section (x);
605 ys = bfd_get_section (y);
606
607 if (bfd_is_und_section (xs))
608 abort ();
609 if (bfd_is_und_section (ys))
610 abort ();
611
612 if (valueof (x) != valueof (y))
613 return valueof (x) < valueof (y) ? -1 : 1;
614
615 if (xs->vma != ys->vma)
616 return xs->vma < ys->vma ? -1 : 1;
617
618 xn = bfd_asymbol_name (x);
619 yn = bfd_asymbol_name (y);
620 xnl = strlen (xn);
621 ynl = strlen (yn);
622
623 /* The symbols gnu_compiled and gcc2_compiled convey even less
624 information than the file name, so sort them out first. */
625
626 xf = (strstr (xn, "gnu_compiled") != NULL
627 || strstr (xn, "gcc2_compiled") != NULL);
628 yf = (strstr (yn, "gnu_compiled") != NULL
629 || strstr (yn, "gcc2_compiled") != NULL);
630
631 if (xf && ! yf)
632 return -1;
633 if (! xf && yf)
634 return 1;
635
636 /* We use a heuristic for the file name. It may not work on non
637 Unix systems, but it doesn't really matter; the only difference
638 is precisely which symbol names get printed. */
639
640 #define file_symbol(s, sn, snl) \
641 (((s)->flags & BSF_FILE) != 0 \
642 || ((sn)[(snl) - 2] == '.' \
643 && ((sn)[(snl) - 1] == 'o' \
644 || (sn)[(snl) - 1] == 'a')))
645
646 xf = file_symbol (x, xn, xnl);
647 yf = file_symbol (y, yn, ynl);
648
649 if (xf && ! yf)
650 return -1;
651 if (! xf && yf)
652 return 1;
653
654 return non_numeric_forward (P_x, P_y);
655 }
656
657 /* This sort routine is used by sort_symbols_by_size. It is sorting
658 an array of size_sym structures into size order. */
659
660 static int
661 size_forward2 (const void *P_x, const void *P_y)
662 {
663 const struct size_sym *x = (const struct size_sym *) P_x;
664 const struct size_sym *y = (const struct size_sym *) P_y;
665
666 if (x->size < y->size)
667 return reverse_sort ? 1 : -1;
668 else if (x->size > y->size)
669 return reverse_sort ? -1 : 1;
670 else
671 return sorters[0][reverse_sort] (x->minisym, y->minisym);
672 }
673
674 /* Sort the symbols by size. ELF provides a size but for other formats
675 we have to make a guess by assuming that the difference between the
676 address of a symbol and the address of the next higher symbol is the
677 size. */
678
679 static long
680 sort_symbols_by_size (bfd *abfd, bfd_boolean is_dynamic, void *minisyms,
681 long symcount, unsigned int size,
682 struct size_sym **symsizesp)
683 {
684 struct size_sym *symsizes;
685 bfd_byte *from, *fromend;
686 asymbol *sym = NULL;
687 asymbol *store_sym, *store_next;
688
689 qsort (minisyms, symcount, size, size_forward1);
690
691 /* We are going to return a special set of symbols and sizes to
692 print. */
693 symsizes = (struct size_sym *) xmalloc (symcount * sizeof (struct size_sym));
694 *symsizesp = symsizes;
695
696 /* Note that filter_symbols has already removed all absolute and
697 undefined symbols. Here we remove all symbols whose size winds
698 up as zero. */
699 from = (bfd_byte *) minisyms;
700 fromend = from + symcount * size;
701
702 store_sym = sort_x;
703 store_next = sort_y;
704
705 if (from < fromend)
706 {
707 sym = bfd_minisymbol_to_symbol (abfd, is_dynamic, (const void *) from,
708 store_sym);
709 if (sym == NULL)
710 bfd_fatal (bfd_get_filename (abfd));
711 }
712
713 for (; from < fromend; from += size)
714 {
715 asymbol *next;
716 asection *sec;
717 bfd_vma sz;
718 asymbol *temp;
719
720 if (from + size < fromend)
721 {
722 next = bfd_minisymbol_to_symbol (abfd,
723 is_dynamic,
724 (const void *) (from + size),
725 store_next);
726 if (next == NULL)
727 bfd_fatal (bfd_get_filename (abfd));
728 }
729 else
730 next = NULL;
731
732 sec = bfd_get_section (sym);
733
734 if (bfd_get_flavour (abfd) == bfd_target_elf_flavour)
735 sz = ((elf_symbol_type *) sym)->internal_elf_sym.st_size;
736 else if (bfd_is_com_section (sec))
737 sz = sym->value;
738 else
739 {
740 if (from + size < fromend
741 && sec == bfd_get_section (next))
742 sz = valueof (next) - valueof (sym);
743 else
744 sz = (bfd_get_section_vma (abfd, sec)
745 + bfd_section_size (abfd, sec)
746 - valueof (sym));
747 }
748
749 if (sz != 0)
750 {
751 symsizes->minisym = (const void *) from;
752 symsizes->size = sz;
753 ++symsizes;
754 }
755
756 sym = next;
757
758 temp = store_sym;
759 store_sym = store_next;
760 store_next = temp;
761 }
762
763 symcount = symsizes - *symsizesp;
764
765 /* We must now sort again by size. */
766 qsort ((void *) *symsizesp, symcount, sizeof (struct size_sym), size_forward2);
767
768 return symcount;
769 }
770
771 /* This function is used to get the relocs for a particular section.
772 It is called via bfd_map_over_sections. */
773
774 static void
775 get_relocs (bfd *abfd, asection *sec, void *dataarg)
776 {
777 struct get_relocs_info *data = (struct get_relocs_info *) dataarg;
778
779 *data->secs = sec;
780
781 if ((sec->flags & SEC_RELOC) == 0)
782 {
783 *data->relocs = NULL;
784 *data->relcount = 0;
785 }
786 else
787 {
788 long relsize;
789
790 relsize = bfd_get_reloc_upper_bound (abfd, sec);
791 if (relsize < 0)
792 bfd_fatal (bfd_get_filename (abfd));
793
794 *data->relocs = (arelent **) xmalloc (relsize);
795 *data->relcount = bfd_canonicalize_reloc (abfd, sec, *data->relocs,
796 data->syms);
797 if (*data->relcount < 0)
798 bfd_fatal (bfd_get_filename (abfd));
799 }
800
801 ++data->secs;
802 ++data->relocs;
803 ++data->relcount;
804 }
805
806 /* Print a single symbol. */
807
808 static void
809 print_symbol (bfd *abfd, asymbol *sym, bfd_vma ssize, bfd *archive_bfd)
810 {
811 symbol_info syminfo;
812 struct extended_symbol_info info;
813
814 PROGRESS (1);
815
816 format->print_symbol_filename (archive_bfd, abfd);
817
818 bfd_get_symbol_info (abfd, sym, &syminfo);
819 info.sinfo = &syminfo;
820 info.ssize = ssize;
821 if (bfd_get_flavour (abfd) == bfd_target_elf_flavour)
822 info.elfinfo = (elf_symbol_type *) sym;
823 else
824 info.elfinfo = NULL;
825 format->print_symbol_info (&info, abfd);
826
827 if (line_numbers)
828 {
829 static asymbol **syms;
830 static long symcount;
831 const char *filename, *functionname;
832 unsigned int lineno;
833
834 /* We need to get the canonical symbols in order to call
835 bfd_find_nearest_line. This is inefficient, but, then, you
836 don't have to use --line-numbers. */
837 if (abfd != lineno_cache_bfd && syms != NULL)
838 {
839 free (syms);
840 syms = NULL;
841 }
842 if (syms == NULL)
843 {
844 long symsize;
845
846 symsize = bfd_get_symtab_upper_bound (abfd);
847 if (symsize < 0)
848 bfd_fatal (bfd_get_filename (abfd));
849 syms = (asymbol **) xmalloc (symsize);
850 symcount = bfd_canonicalize_symtab (abfd, syms);
851 if (symcount < 0)
852 bfd_fatal (bfd_get_filename (abfd));
853 lineno_cache_bfd = abfd;
854 }
855
856 if (bfd_is_und_section (bfd_get_section (sym)))
857 {
858 static asection **secs;
859 static arelent ***relocs;
860 static long *relcount;
861 static unsigned int seccount;
862 unsigned int i;
863 const char *symname;
864
865 /* For an undefined symbol, we try to find a reloc for the
866 symbol, and print the line number of the reloc. */
867 if (abfd != lineno_cache_rel_bfd && relocs != NULL)
868 {
869 for (i = 0; i < seccount; i++)
870 if (relocs[i] != NULL)
871 free (relocs[i]);
872 free (secs);
873 free (relocs);
874 free (relcount);
875 secs = NULL;
876 relocs = NULL;
877 relcount = NULL;
878 }
879
880 if (relocs == NULL)
881 {
882 struct get_relocs_info rinfo;
883
884 seccount = bfd_count_sections (abfd);
885
886 secs = (asection **) xmalloc (seccount * sizeof *secs);
887 relocs = (arelent ***) xmalloc (seccount * sizeof *relocs);
888 relcount = (long *) xmalloc (seccount * sizeof *relcount);
889
890 rinfo.secs = secs;
891 rinfo.relocs = relocs;
892 rinfo.relcount = relcount;
893 rinfo.syms = syms;
894 bfd_map_over_sections (abfd, get_relocs, (void *) &rinfo);
895 lineno_cache_rel_bfd = abfd;
896 }
897
898 symname = bfd_asymbol_name (sym);
899 for (i = 0; i < seccount; i++)
900 {
901 long j;
902
903 for (j = 0; j < relcount[i]; j++)
904 {
905 arelent *r;
906
907 r = relocs[i][j];
908 if (r->sym_ptr_ptr != NULL
909 && (*r->sym_ptr_ptr)->section == sym->section
910 && (*r->sym_ptr_ptr)->value == sym->value
911 && strcmp (symname,
912 bfd_asymbol_name (*r->sym_ptr_ptr)) == 0
913 && bfd_find_nearest_line (abfd, secs[i], syms,
914 r->address, &filename,
915 &functionname, &lineno)
916 && filename != NULL)
917 {
918 /* We only print the first one we find. */
919 printf ("\t%s:%u", filename, lineno);
920 i = seccount;
921 break;
922 }
923 }
924 }
925 }
926 else if (bfd_get_section (sym)->owner == abfd)
927 {
928 if ((bfd_find_line (abfd, syms, sym, &filename, &lineno)
929 || bfd_find_nearest_line (abfd, bfd_get_section (sym),
930 syms, sym->value, &filename,
931 &functionname, &lineno))
932 && filename != NULL
933 && lineno != 0)
934 printf ("\t%s:%u", filename, lineno);
935 }
936 }
937
938 putchar ('\n');
939 }
940 \f
941 /* Print the symbols when sorting by size. */
942
943 static void
944 print_size_symbols (bfd *abfd, bfd_boolean is_dynamic,
945 struct size_sym *symsizes, long symcount,
946 bfd *archive_bfd)
947 {
948 asymbol *store;
949 struct size_sym *from, *fromend;
950
951 store = bfd_make_empty_symbol (abfd);
952 if (store == NULL)
953 bfd_fatal (bfd_get_filename (abfd));
954
955 from = symsizes;
956 fromend = from + symcount;
957 for (; from < fromend; from++)
958 {
959 asymbol *sym;
960
961 sym = bfd_minisymbol_to_symbol (abfd, is_dynamic, from->minisym, store);
962 if (sym == NULL)
963 bfd_fatal (bfd_get_filename (abfd));
964
965 print_symbol (abfd, sym, from->size, archive_bfd);
966 }
967 }
968
969 \f
970 /* Print the symbols. If ARCHIVE_BFD is non-NULL, it is the archive
971 containing ABFD. */
972
973 static void
974 print_symbols (bfd *abfd, bfd_boolean is_dynamic, void *minisyms, long symcount,
975 unsigned int size, bfd *archive_bfd)
976 {
977 asymbol *store;
978 bfd_byte *from, *fromend;
979
980 store = bfd_make_empty_symbol (abfd);
981 if (store == NULL)
982 bfd_fatal (bfd_get_filename (abfd));
983
984 from = (bfd_byte *) minisyms;
985 fromend = from + symcount * size;
986 for (; from < fromend; from += size)
987 {
988 asymbol *sym;
989
990 sym = bfd_minisymbol_to_symbol (abfd, is_dynamic, from, store);
991 if (sym == NULL)
992 bfd_fatal (bfd_get_filename (abfd));
993
994 print_symbol (abfd, sym, (bfd_vma) 0, archive_bfd);
995 }
996 }
997
998 /* If ARCHIVE_BFD is non-NULL, it is the archive containing ABFD. */
999
1000 static void
1001 display_rel_file (bfd *abfd, bfd *archive_bfd)
1002 {
1003 long symcount;
1004 void *minisyms;
1005 unsigned int size;
1006 struct size_sym *symsizes;
1007
1008 if (! dynamic)
1009 {
1010 if (!(bfd_get_file_flags (abfd) & HAS_SYMS))
1011 {
1012 non_fatal (_("%s: no symbols"), bfd_get_filename (abfd));
1013 return;
1014 }
1015 }
1016
1017 symcount = bfd_read_minisymbols (abfd, dynamic, &minisyms, &size);
1018 if (symcount < 0)
1019 {
1020 if (dynamic && bfd_get_error () == bfd_error_no_symbols)
1021 {
1022 non_fatal (_("%s: no symbols"), bfd_get_filename (abfd));
1023 return;
1024 }
1025
1026 bfd_fatal (bfd_get_filename (abfd));
1027 }
1028
1029 if (symcount == 0)
1030 {
1031 non_fatal (_("%s: no symbols"), bfd_get_filename (abfd));
1032 return;
1033 }
1034
1035 if (show_synthetic && size == sizeof (asymbol *))
1036 {
1037 asymbol *synthsyms;
1038 long synth_count;
1039 asymbol **static_syms = NULL;
1040 asymbol **dyn_syms = NULL;
1041 long static_count = 0;
1042 long dyn_count = 0;
1043
1044 if (dynamic)
1045 {
1046 dyn_count = symcount;
1047 dyn_syms = (asymbol **) minisyms;
1048 }
1049 else
1050 {
1051 long storage = bfd_get_dynamic_symtab_upper_bound (abfd);
1052
1053 static_count = symcount;
1054 static_syms = (asymbol **) minisyms;
1055
1056 if (storage > 0)
1057 {
1058 dyn_syms = (asymbol **) xmalloc (storage);
1059 dyn_count = bfd_canonicalize_dynamic_symtab (abfd, dyn_syms);
1060 if (dyn_count < 0)
1061 bfd_fatal (bfd_get_filename (abfd));
1062 }
1063 }
1064 synth_count = bfd_get_synthetic_symtab (abfd, static_count, static_syms,
1065 dyn_count, dyn_syms, &synthsyms);
1066 if (synth_count > 0)
1067 {
1068 asymbol **symp;
1069 void *new_mini;
1070 long i;
1071
1072 new_mini = xmalloc ((symcount + synth_count + 1) * sizeof (*symp));
1073 symp = (asymbol **) new_mini;
1074 memcpy (symp, minisyms, symcount * sizeof (*symp));
1075 symp += symcount;
1076 for (i = 0; i < synth_count; i++)
1077 *symp++ = synthsyms + i;
1078 *symp = 0;
1079 minisyms = new_mini;
1080 symcount += synth_count;
1081 }
1082 }
1083
1084 /* Discard the symbols we don't want to print.
1085 It's OK to do this in place; we'll free the storage anyway
1086 (after printing). */
1087
1088 symcount = filter_symbols (abfd, dynamic, minisyms, symcount, size);
1089
1090 symsizes = NULL;
1091 if (! no_sort)
1092 {
1093 sort_bfd = abfd;
1094 sort_dynamic = dynamic;
1095 sort_x = bfd_make_empty_symbol (abfd);
1096 sort_y = bfd_make_empty_symbol (abfd);
1097 if (sort_x == NULL || sort_y == NULL)
1098 bfd_fatal (bfd_get_filename (abfd));
1099
1100 if (! sort_by_size)
1101 qsort (minisyms, symcount, size,
1102 sorters[sort_numerically][reverse_sort]);
1103 else
1104 symcount = sort_symbols_by_size (abfd, dynamic, minisyms, symcount,
1105 size, &symsizes);
1106 }
1107
1108 if (! sort_by_size)
1109 print_symbols (abfd, dynamic, minisyms, symcount, size, archive_bfd);
1110 else
1111 print_size_symbols (abfd, dynamic, symsizes, symcount, archive_bfd);
1112
1113 free (minisyms);
1114 free (symsizes);
1115 }
1116
1117 static void
1118 set_print_width (bfd *file)
1119 {
1120 print_width = bfd_get_arch_size (file);
1121
1122 if (print_width == -1)
1123 {
1124 /* PR binutils/4292
1125 Guess the target's bitsize based on its name.
1126 We assume here than any 64-bit format will include
1127 "64" somewhere in its name. The only known exception
1128 is the MMO object file format. */
1129 if (strstr (bfd_get_target (file), "64") != NULL
1130 || strcmp (bfd_get_target (file), "mmo") == 0)
1131 print_width = 64;
1132 else
1133 print_width = 32;
1134 }
1135 }
1136
1137 static void
1138 display_archive (bfd *file)
1139 {
1140 bfd *arfile = NULL;
1141 bfd *last_arfile = NULL;
1142 char **matching;
1143
1144 format->print_archive_filename (bfd_get_filename (file));
1145
1146 if (print_armap)
1147 print_symdef_entry (file);
1148
1149 for (;;)
1150 {
1151 PROGRESS (1);
1152
1153 arfile = bfd_openr_next_archived_file (file, arfile);
1154
1155 if (arfile == NULL)
1156 {
1157 if (bfd_get_error () != bfd_error_no_more_archived_files)
1158 bfd_fatal (bfd_get_filename (file));
1159 break;
1160 }
1161
1162 if (bfd_check_format_matches (arfile, bfd_object, &matching))
1163 {
1164 set_print_width (arfile);
1165 format->print_archive_member (bfd_get_filename (file),
1166 bfd_get_filename (arfile));
1167 display_rel_file (arfile, file);
1168 }
1169 else
1170 {
1171 bfd_nonfatal (bfd_get_filename (arfile));
1172 if (bfd_get_error () == bfd_error_file_ambiguously_recognized)
1173 {
1174 list_matching_formats (matching);
1175 free (matching);
1176 }
1177 }
1178
1179 if (last_arfile != NULL)
1180 {
1181 bfd_close (last_arfile);
1182 lineno_cache_bfd = NULL;
1183 lineno_cache_rel_bfd = NULL;
1184 }
1185 last_arfile = arfile;
1186 }
1187
1188 if (last_arfile != NULL)
1189 {
1190 bfd_close (last_arfile);
1191 lineno_cache_bfd = NULL;
1192 lineno_cache_rel_bfd = NULL;
1193 }
1194 }
1195
1196 static bfd_boolean
1197 display_file (char *filename)
1198 {
1199 bfd_boolean retval = TRUE;
1200 bfd *file;
1201 char **matching;
1202
1203 if (get_file_size (filename) < 1)
1204 return FALSE;
1205
1206 file = bfd_openr (filename, target ? target : plugin_target);
1207 if (file == NULL)
1208 {
1209 bfd_nonfatal (filename);
1210 return FALSE;
1211 }
1212
1213 /* If printing line numbers, decompress the debug sections. */
1214 if (line_numbers)
1215 file->flags |= BFD_DECOMPRESS;
1216
1217 if (bfd_check_format (file, bfd_archive))
1218 {
1219 display_archive (file);
1220 }
1221 else if (bfd_check_format_matches (file, bfd_object, &matching))
1222 {
1223 set_print_width (file);
1224 format->print_object_filename (filename);
1225 display_rel_file (file, NULL);
1226 }
1227 else
1228 {
1229 bfd_nonfatal (filename);
1230 if (bfd_get_error () == bfd_error_file_ambiguously_recognized)
1231 {
1232 list_matching_formats (matching);
1233 free (matching);
1234 }
1235 retval = FALSE;
1236 }
1237
1238 if (!bfd_close (file))
1239 bfd_fatal (filename);
1240
1241 lineno_cache_bfd = NULL;
1242 lineno_cache_rel_bfd = NULL;
1243
1244 return retval;
1245 }
1246 \f
1247 /* The following 3 groups of functions are called unconditionally,
1248 once at the start of processing each file of the appropriate type.
1249 They should check `filename_per_file' and `filename_per_symbol',
1250 as appropriate for their output format, to determine whether to
1251 print anything. */
1252 \f
1253 /* Print the name of an object file given on the command line. */
1254
1255 static void
1256 print_object_filename_bsd (char *filename)
1257 {
1258 if (filename_per_file && !filename_per_symbol)
1259 printf ("\n%s:\n", filename);
1260 }
1261
1262 static void
1263 print_object_filename_sysv (char *filename)
1264 {
1265 if (undefined_only)
1266 printf (_("\n\nUndefined symbols from %s:\n\n"), filename);
1267 else
1268 printf (_("\n\nSymbols from %s:\n\n"), filename);
1269 if (print_width == 32)
1270 printf (_("\
1271 Name Value Class Type Size Line Section\n\n"));
1272 else
1273 printf (_("\
1274 Name Value Class Type Size Line Section\n\n"));
1275 }
1276
1277 static void
1278 print_object_filename_posix (char *filename)
1279 {
1280 if (filename_per_file && !filename_per_symbol)
1281 printf ("%s:\n", filename);
1282 }
1283 \f
1284 /* Print the name of an archive file given on the command line. */
1285
1286 static void
1287 print_archive_filename_bsd (char *filename)
1288 {
1289 if (filename_per_file)
1290 printf ("\n%s:\n", filename);
1291 }
1292
1293 static void
1294 print_archive_filename_sysv (char *filename ATTRIBUTE_UNUSED)
1295 {
1296 }
1297
1298 static void
1299 print_archive_filename_posix (char *filename ATTRIBUTE_UNUSED)
1300 {
1301 }
1302 \f
1303 /* Print the name of an archive member file. */
1304
1305 static void
1306 print_archive_member_bsd (char *archive ATTRIBUTE_UNUSED,
1307 const char *filename)
1308 {
1309 if (!filename_per_symbol)
1310 printf ("\n%s:\n", filename);
1311 }
1312
1313 static void
1314 print_archive_member_sysv (char *archive, const char *filename)
1315 {
1316 if (undefined_only)
1317 printf (_("\n\nUndefined symbols from %s[%s]:\n\n"), archive, filename);
1318 else
1319 printf (_("\n\nSymbols from %s[%s]:\n\n"), archive, filename);
1320 if (print_width == 32)
1321 printf (_("\
1322 Name Value Class Type Size Line Section\n\n"));
1323 else
1324 printf (_("\
1325 Name Value Class Type Size Line Section\n\n"));
1326 }
1327
1328 static void
1329 print_archive_member_posix (char *archive, const char *filename)
1330 {
1331 if (!filename_per_symbol)
1332 printf ("%s[%s]:\n", archive, filename);
1333 }
1334 \f
1335 /* Print the name of the file (and archive, if there is one)
1336 containing a symbol. */
1337
1338 static void
1339 print_symbol_filename_bsd (bfd *archive_bfd, bfd *abfd)
1340 {
1341 if (filename_per_symbol)
1342 {
1343 if (archive_bfd)
1344 printf ("%s:", bfd_get_filename (archive_bfd));
1345 printf ("%s:", bfd_get_filename (abfd));
1346 }
1347 }
1348
1349 static void
1350 print_symbol_filename_sysv (bfd *archive_bfd, bfd *abfd)
1351 {
1352 if (filename_per_symbol)
1353 {
1354 if (archive_bfd)
1355 printf ("%s:", bfd_get_filename (archive_bfd));
1356 printf ("%s:", bfd_get_filename (abfd));
1357 }
1358 }
1359
1360 static void
1361 print_symbol_filename_posix (bfd *archive_bfd, bfd *abfd)
1362 {
1363 if (filename_per_symbol)
1364 {
1365 if (archive_bfd)
1366 printf ("%s[%s]: ", bfd_get_filename (archive_bfd),
1367 bfd_get_filename (abfd));
1368 else
1369 printf ("%s: ", bfd_get_filename (abfd));
1370 }
1371 }
1372 \f
1373 /* Print a symbol value. */
1374
1375 static void
1376 print_value (bfd *abfd ATTRIBUTE_UNUSED, bfd_vma val)
1377 {
1378 switch (print_width)
1379 {
1380 case 32:
1381 printf (value_format_32bit, (unsigned long) val);
1382 break;
1383
1384 case 64:
1385 #if BFD_HOST_64BIT_LONG || BFD_HOST_64BIT_LONG_LONG
1386 printf (value_format_64bit, val);
1387 #else
1388 /* We have a 64 bit value to print, but the host is only 32 bit. */
1389 if (print_radix == 16)
1390 bfd_fprintf_vma (abfd, stdout, val);
1391 else
1392 {
1393 char buf[30];
1394 char *s;
1395
1396 s = buf + sizeof buf;
1397 *--s = '\0';
1398 while (val > 0)
1399 {
1400 *--s = (val % print_radix) + '0';
1401 val /= print_radix;
1402 }
1403 while ((buf + sizeof buf - 1) - s < 16)
1404 *--s = '0';
1405 printf ("%s", s);
1406 }
1407 #endif
1408 break;
1409
1410 default:
1411 fatal (_("Print width has not been initialized (%d)"), print_width);
1412 break;
1413 }
1414 }
1415
1416 /* Print a line of information about a symbol. */
1417
1418 static void
1419 print_symbol_info_bsd (struct extended_symbol_info *info, bfd *abfd)
1420 {
1421 if (bfd_is_undefined_symclass (SYM_TYPE (info)))
1422 {
1423 if (print_width == 64)
1424 printf (" ");
1425 printf (" ");
1426 }
1427 else
1428 {
1429 /* Normally we print the value of the symbol. If we are printing the
1430 size or sorting by size then we print its size, except for the
1431 (weird) special case where both flags are defined, in which case we
1432 print both values. This conforms to documented behaviour. */
1433 if (sort_by_size && !print_size)
1434 print_value (abfd, SYM_SIZE (info));
1435 else
1436 print_value (abfd, SYM_VALUE (info));
1437
1438 if (print_size && SYM_SIZE (info))
1439 {
1440 printf (" ");
1441 print_value (abfd, SYM_SIZE (info));
1442 }
1443 }
1444
1445 printf (" %c", SYM_TYPE (info));
1446
1447 if (SYM_TYPE (info) == '-')
1448 {
1449 /* A stab. */
1450 printf (" ");
1451 printf (other_format, SYM_STAB_OTHER (info));
1452 printf (" ");
1453 printf (desc_format, SYM_STAB_DESC (info));
1454 printf (" %5s", SYM_STAB_NAME (info));
1455 }
1456 print_symname (" %s", SYM_NAME (info), abfd);
1457 }
1458
1459 static void
1460 print_symbol_info_sysv (struct extended_symbol_info *info, bfd *abfd)
1461 {
1462 print_symname ("%-20s|", SYM_NAME (info), abfd);
1463
1464 if (bfd_is_undefined_symclass (SYM_TYPE (info)))
1465 {
1466 if (print_width == 32)
1467 printf (" ");
1468 else
1469 printf (" ");
1470 }
1471 else
1472 print_value (abfd, SYM_VALUE (info));
1473
1474 printf ("| %c |", SYM_TYPE (info));
1475
1476 if (SYM_TYPE (info) == '-')
1477 {
1478 /* A stab. */
1479 printf ("%18s| ", SYM_STAB_NAME (info)); /* (C) Type. */
1480 printf (desc_format, SYM_STAB_DESC (info)); /* Size. */
1481 printf ("| |"); /* Line, Section. */
1482 }
1483 else
1484 {
1485 /* Type, Size, Line, Section */
1486 if (info->elfinfo)
1487 printf ("%18s|",
1488 get_symbol_type (ELF_ST_TYPE (info->elfinfo->internal_elf_sym.st_info)));
1489 else
1490 printf (" |");
1491
1492 if (SYM_SIZE (info))
1493 print_value (abfd, SYM_SIZE (info));
1494 else
1495 {
1496 if (print_width == 32)
1497 printf (" ");
1498 else
1499 printf (" ");
1500 }
1501
1502 if (info->elfinfo)
1503 printf("| |%s", info->elfinfo->symbol.section->name);
1504 else
1505 printf("| |");
1506 }
1507 }
1508
1509 static void
1510 print_symbol_info_posix (struct extended_symbol_info *info, bfd *abfd)
1511 {
1512 print_symname ("%s ", SYM_NAME (info), abfd);
1513 printf ("%c ", SYM_TYPE (info));
1514
1515 if (bfd_is_undefined_symclass (SYM_TYPE (info)))
1516 printf (" ");
1517 else
1518 {
1519 print_value (abfd, SYM_VALUE (info));
1520 printf (" ");
1521 if (SYM_SIZE (info))
1522 print_value (abfd, SYM_SIZE (info));
1523 }
1524 }
1525 \f
1526 int
1527 main (int argc, char **argv)
1528 {
1529 int c;
1530 int retval;
1531
1532 #if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES)
1533 setlocale (LC_MESSAGES, "");
1534 #endif
1535 #if defined (HAVE_SETLOCALE)
1536 setlocale (LC_CTYPE, "");
1537 setlocale (LC_COLLATE, "");
1538 #endif
1539 bindtextdomain (PACKAGE, LOCALEDIR);
1540 textdomain (PACKAGE);
1541
1542 program_name = *argv;
1543 xmalloc_set_program_name (program_name);
1544 #if BFD_SUPPORTS_PLUGINS
1545 bfd_plugin_set_program_name (program_name);
1546 #endif
1547
1548 START_PROGRESS (program_name, 0);
1549
1550 expandargv (&argc, &argv);
1551
1552 bfd_init ();
1553 set_default_bfd_target ();
1554
1555 while ((c = getopt_long (argc, argv, "aABCDef:gHhlnopPrSst:uvVvX:",
1556 long_options, (int *) 0)) != EOF)
1557 {
1558 switch (c)
1559 {
1560 case 'a':
1561 print_debug_syms = 1;
1562 break;
1563 case 'A':
1564 case 'o':
1565 filename_per_symbol = 1;
1566 break;
1567 case 'B': /* For MIPS compatibility. */
1568 set_output_format ("bsd");
1569 break;
1570 case 'C':
1571 do_demangle = 1;
1572 if (optarg != NULL)
1573 {
1574 enum demangling_styles style;
1575
1576 style = cplus_demangle_name_to_style (optarg);
1577 if (style == unknown_demangling)
1578 fatal (_("unknown demangling style `%s'"),
1579 optarg);
1580
1581 cplus_demangle_set_style (style);
1582 }
1583 break;
1584 case 'D':
1585 dynamic = 1;
1586 break;
1587 case 'e':
1588 /* Ignored for HP/UX compatibility. */
1589 break;
1590 case 'f':
1591 set_output_format (optarg);
1592 break;
1593 case 'g':
1594 external_only = 1;
1595 break;
1596 case 'H':
1597 case 'h':
1598 usage (stdout, 0);
1599 case 'l':
1600 line_numbers = 1;
1601 break;
1602 case 'n':
1603 case 'v':
1604 no_sort = 0;
1605 sort_numerically = 1;
1606 sort_by_size = 0;
1607 break;
1608 case 'p':
1609 no_sort = 1;
1610 sort_numerically = 0;
1611 sort_by_size = 0;
1612 break;
1613 case OPTION_SIZE_SORT:
1614 no_sort = 0;
1615 sort_numerically = 0;
1616 sort_by_size = 1;
1617 break;
1618 case 'P':
1619 set_output_format ("posix");
1620 break;
1621 case 'r':
1622 reverse_sort = 1;
1623 break;
1624 case 's':
1625 print_armap = 1;
1626 break;
1627 case 'S':
1628 print_size = 1;
1629 break;
1630 case 't':
1631 set_print_radix (optarg);
1632 break;
1633 case 'u':
1634 undefined_only = 1;
1635 break;
1636 case 'V':
1637 show_version = 1;
1638 break;
1639 case 'X':
1640 /* Ignored for (partial) AIX compatibility. On AIX, the
1641 argument has values 32, 64, or 32_64, and specifies that
1642 only 32-bit, only 64-bit, or both kinds of objects should
1643 be examined. The default is 32. So plain AIX nm on a
1644 library archive with both kinds of objects will ignore
1645 the 64-bit ones. For GNU nm, the default is and always
1646 has been -X 32_64, and other options are not supported. */
1647 if (strcmp (optarg, "32_64") != 0)
1648 fatal (_("Only -X 32_64 is supported"));
1649 break;
1650
1651 case OPTION_TARGET: /* --target */
1652 target = optarg;
1653 break;
1654
1655 case OPTION_PLUGIN: /* --plugin */
1656 #if BFD_SUPPORTS_PLUGINS
1657 bfd_plugin_set_plugin (optarg);
1658 #else
1659 fatal (_("sorry - this program has been built without plugin support\n"));
1660 #endif
1661 break;
1662
1663 case 0: /* A long option that just sets a flag. */
1664 break;
1665
1666 default:
1667 usage (stderr, 1);
1668 }
1669 }
1670
1671 if (show_version)
1672 print_version ("nm");
1673
1674 if (sort_by_size && undefined_only)
1675 {
1676 non_fatal (_("Using the --size-sort and --undefined-only options together"));
1677 non_fatal (_("will produce no output, since undefined symbols have no size."));
1678 return 0;
1679 }
1680
1681 /* OK, all options now parsed. If no filename specified, do a.out. */
1682 if (optind == argc)
1683 return !display_file ("a.out");
1684
1685 retval = 0;
1686
1687 if (argc - optind > 1)
1688 filename_per_file = 1;
1689
1690 /* We were given several filenames to do. */
1691 while (optind < argc)
1692 {
1693 PROGRESS (1);
1694 if (!display_file (argv[optind++]))
1695 retval++;
1696 }
1697
1698 END_PROGRESS (program_name);
1699
1700 #ifdef HAVE_SBRK
1701 if (show_stats)
1702 {
1703 char *lim = (char *) sbrk (0);
1704
1705 non_fatal (_("data size %ld"), (long) (lim - (char *) &environ));
1706 }
1707 #endif
1708
1709 exit (retval);
1710 return retval;
1711 }
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