* nm.c (display_rel_file): Treat bfd_error_no_symbols as
[deliverable/binutils-gdb.git] / binutils / nm.c
1 /* nm.c -- Describe symbol table of a rel file.
2 Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
3 2001, 2002, 2003, 2004, 2005, 2007, 2008, 2009, 2010, 2011, 2012
4 Free Software Foundation, Inc.
5
6 This file is part of GNU Binutils.
7
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3 of the License, or
11 (at your option) any later version.
12
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
17
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
21 02110-1301, USA. */
22
23 #include "sysdep.h"
24 #include "bfd.h"
25 #include "progress.h"
26 #include "getopt.h"
27 #include "aout/stab_gnu.h"
28 #include "aout/ranlib.h"
29 #include "demangle.h"
30 #include "libiberty.h"
31 #include "elf-bfd.h"
32 #include "elf/common.h"
33 #include "bucomm.h"
34 #include "plugin.h"
35
36 /* When sorting by size, we use this structure to hold the size and a
37 pointer to the minisymbol. */
38
39 struct size_sym
40 {
41 const void *minisym;
42 bfd_vma size;
43 };
44
45 /* When fetching relocs, we use this structure to pass information to
46 get_relocs. */
47
48 struct get_relocs_info
49 {
50 asection **secs;
51 arelent ***relocs;
52 long *relcount;
53 asymbol **syms;
54 };
55
56 struct extended_symbol_info
57 {
58 symbol_info *sinfo;
59 bfd_vma ssize;
60 elf_symbol_type *elfinfo;
61 /* FIXME: We should add more fields for Type, Line, Section. */
62 };
63 #define SYM_NAME(sym) (sym->sinfo->name)
64 #define SYM_VALUE(sym) (sym->sinfo->value)
65 #define SYM_TYPE(sym) (sym->sinfo->type)
66 #define SYM_STAB_NAME(sym) (sym->sinfo->stab_name)
67 #define SYM_STAB_DESC(sym) (sym->sinfo->stab_desc)
68 #define SYM_STAB_OTHER(sym) (sym->sinfo->stab_other)
69 #define SYM_SIZE(sym) \
70 (sym->elfinfo ? sym->elfinfo->internal_elf_sym.st_size: sym->ssize)
71
72 /* The output formatting functions. */
73 static void print_object_filename_bsd (char *);
74 static void print_object_filename_sysv (char *);
75 static void print_object_filename_posix (char *);
76 static void print_archive_filename_bsd (char *);
77 static void print_archive_filename_sysv (char *);
78 static void print_archive_filename_posix (char *);
79 static void print_archive_member_bsd (char *, const char *);
80 static void print_archive_member_sysv (char *, const char *);
81 static void print_archive_member_posix (char *, const char *);
82 static void print_symbol_filename_bsd (bfd *, bfd *);
83 static void print_symbol_filename_sysv (bfd *, bfd *);
84 static void print_symbol_filename_posix (bfd *, bfd *);
85 static void print_value (bfd *, bfd_vma);
86 static void print_symbol_info_bsd (struct extended_symbol_info *, bfd *);
87 static void print_symbol_info_sysv (struct extended_symbol_info *, bfd *);
88 static void print_symbol_info_posix (struct extended_symbol_info *, bfd *);
89
90 /* Support for different output formats. */
91 struct output_fns
92 {
93 /* Print the name of an object file given on the command line. */
94 void (*print_object_filename) (char *);
95
96 /* Print the name of an archive file given on the command line. */
97 void (*print_archive_filename) (char *);
98
99 /* Print the name of an archive member file. */
100 void (*print_archive_member) (char *, const char *);
101
102 /* Print the name of the file (and archive, if there is one)
103 containing a symbol. */
104 void (*print_symbol_filename) (bfd *, bfd *);
105
106 /* Print a line of information about a symbol. */
107 void (*print_symbol_info) (struct extended_symbol_info *, bfd *);
108 };
109
110 static struct output_fns formats[] =
111 {
112 {print_object_filename_bsd,
113 print_archive_filename_bsd,
114 print_archive_member_bsd,
115 print_symbol_filename_bsd,
116 print_symbol_info_bsd},
117 {print_object_filename_sysv,
118 print_archive_filename_sysv,
119 print_archive_member_sysv,
120 print_symbol_filename_sysv,
121 print_symbol_info_sysv},
122 {print_object_filename_posix,
123 print_archive_filename_posix,
124 print_archive_member_posix,
125 print_symbol_filename_posix,
126 print_symbol_info_posix}
127 };
128
129 /* Indices in `formats'. */
130 #define FORMAT_BSD 0
131 #define FORMAT_SYSV 1
132 #define FORMAT_POSIX 2
133 #define FORMAT_DEFAULT FORMAT_BSD
134
135 /* The output format to use. */
136 static struct output_fns *format = &formats[FORMAT_DEFAULT];
137
138 /* Command options. */
139
140 static int do_demangle = 0; /* Pretty print C++ symbol names. */
141 static int external_only = 0; /* Print external symbols only. */
142 static int defined_only = 0; /* Print defined symbols only. */
143 static int no_sort = 0; /* Don't sort; print syms in order found. */
144 static int print_debug_syms = 0;/* Print debugger-only symbols too. */
145 static int print_armap = 0; /* Describe __.SYMDEF data in archive files. */
146 static int print_size = 0; /* Print size of defined symbols. */
147 static int reverse_sort = 0; /* Sort in downward(alpha or numeric) order. */
148 static int sort_numerically = 0;/* Sort in numeric rather than alpha order. */
149 static int sort_by_size = 0; /* Sort by size of symbol. */
150 static int undefined_only = 0; /* Print undefined symbols only. */
151 static int dynamic = 0; /* Print dynamic symbols. */
152 static int show_version = 0; /* Show the version number. */
153 static int show_stats = 0; /* Show statistics. */
154 static int show_synthetic = 0; /* Display synthesized symbols too. */
155 static int line_numbers = 0; /* Print line numbers for symbols. */
156 static int allow_special_symbols = 0; /* Allow special symbols. */
157
158 /* When to print the names of files. Not mutually exclusive in SYSV format. */
159 static int filename_per_file = 0; /* Once per file, on its own line. */
160 static int filename_per_symbol = 0; /* Once per symbol, at start of line. */
161
162 /* Print formats for printing a symbol value. */
163 static char value_format_32bit[] = "%08lx";
164 #if BFD_HOST_64BIT_LONG
165 static char value_format_64bit[] = "%016lx";
166 #elif BFD_HOST_64BIT_LONG_LONG
167 #ifndef __MSVCRT__
168 static char value_format_64bit[] = "%016llx";
169 #else
170 static char value_format_64bit[] = "%016I64x";
171 #endif
172 #endif
173 static int print_width = 0;
174 static int print_radix = 16;
175 /* Print formats for printing stab info. */
176 static char other_format[] = "%02x";
177 static char desc_format[] = "%04x";
178
179 static char *target = NULL;
180 static char *plugin_target = NULL;
181
182 /* Used to cache the line numbers for a BFD. */
183 static bfd *lineno_cache_bfd;
184 static bfd *lineno_cache_rel_bfd;
185
186 #define OPTION_TARGET 200
187 #define OPTION_PLUGIN (OPTION_TARGET + 1)
188 #define OPTION_SIZE_SORT (OPTION_PLUGIN + 1)
189
190 static struct option long_options[] =
191 {
192 {"debug-syms", no_argument, &print_debug_syms, 1},
193 {"demangle", optional_argument, 0, 'C'},
194 {"dynamic", no_argument, &dynamic, 1},
195 {"extern-only", no_argument, &external_only, 1},
196 {"format", required_argument, 0, 'f'},
197 {"help", no_argument, 0, 'h'},
198 {"line-numbers", no_argument, 0, 'l'},
199 {"no-cplus", no_argument, &do_demangle, 0}, /* Linux compatibility. */
200 {"no-demangle", no_argument, &do_demangle, 0},
201 {"no-sort", no_argument, 0, 'p'},
202 {"numeric-sort", no_argument, 0, 'n'},
203 {"plugin", required_argument, 0, OPTION_PLUGIN},
204 {"portability", no_argument, 0, 'P'},
205 {"print-armap", no_argument, &print_armap, 1},
206 {"print-file-name", no_argument, 0, 'o'},
207 {"print-size", no_argument, 0, 'S'},
208 {"radix", required_argument, 0, 't'},
209 {"reverse-sort", no_argument, &reverse_sort, 1},
210 {"size-sort", no_argument, 0, OPTION_SIZE_SORT},
211 {"special-syms", no_argument, &allow_special_symbols, 1},
212 {"stats", no_argument, &show_stats, 1},
213 {"synthetic", no_argument, &show_synthetic, 1},
214 {"target", required_argument, 0, OPTION_TARGET},
215 {"defined-only", no_argument, &defined_only, 1},
216 {"undefined-only", no_argument, &undefined_only, 1},
217 {"version", no_argument, &show_version, 1},
218 {0, no_argument, 0, 0}
219 };
220 \f
221 /* Some error-reporting functions. */
222
223 static void
224 usage (FILE *stream, int status)
225 {
226 fprintf (stream, _("Usage: %s [option(s)] [file(s)]\n"), program_name);
227 fprintf (stream, _(" List symbols in [file(s)] (a.out by default).\n"));
228 fprintf (stream, _(" The options are:\n\
229 -a, --debug-syms Display debugger-only symbols\n\
230 -A, --print-file-name Print name of the input file before every symbol\n\
231 -B Same as --format=bsd\n\
232 -C, --demangle[=STYLE] Decode low-level symbol names into user-level names\n\
233 The STYLE, if specified, can be `auto' (the default),\n\
234 `gnu', `lucid', `arm', `hp', `edg', `gnu-v3', `java'\n\
235 or `gnat'\n\
236 --no-demangle Do not demangle low-level symbol names\n\
237 -D, --dynamic Display dynamic symbols instead of normal symbols\n\
238 --defined-only Display only defined symbols\n\
239 -e (ignored)\n\
240 -f, --format=FORMAT Use the output format FORMAT. FORMAT can be `bsd',\n\
241 `sysv' or `posix'. The default is `bsd'\n\
242 -g, --extern-only Display only external symbols\n\
243 -l, --line-numbers Use debugging information to find a filename and\n\
244 line number for each symbol\n\
245 -n, --numeric-sort Sort symbols numerically by address\n\
246 -o Same as -A\n\
247 -p, --no-sort Do not sort the symbols\n\
248 -P, --portability Same as --format=posix\n\
249 -r, --reverse-sort Reverse the sense of the sort\n"));
250 #if BFD_SUPPORTS_PLUGINS
251 fprintf (stream, _("\
252 --plugin NAME Load the specified plugin\n"));
253 #endif
254 fprintf (stream, _("\
255 -S, --print-size Print size of defined symbols\n\
256 -s, --print-armap Include index for symbols from archive members\n\
257 --size-sort Sort symbols by size\n\
258 --special-syms Include special symbols in the output\n\
259 --synthetic Display synthetic symbols as well\n\
260 -t, --radix=RADIX Use RADIX for printing symbol values\n\
261 --target=BFDNAME Specify the target object format as BFDNAME\n\
262 -u, --undefined-only Display only undefined symbols\n\
263 -X 32_64 (ignored)\n\
264 @FILE Read options from FILE\n\
265 -h, --help Display this information\n\
266 -V, --version Display this program's version number\n\
267 \n"));
268 list_supported_targets (program_name, stream);
269 if (REPORT_BUGS_TO[0] && status == 0)
270 fprintf (stream, _("Report bugs to %s.\n"), REPORT_BUGS_TO);
271 exit (status);
272 }
273
274 /* Set the radix for the symbol value and size according to RADIX. */
275
276 static void
277 set_print_radix (char *radix)
278 {
279 switch (*radix)
280 {
281 case 'x':
282 break;
283 case 'd':
284 case 'o':
285 if (*radix == 'd')
286 print_radix = 10;
287 else
288 print_radix = 8;
289 value_format_32bit[4] = *radix;
290 #if BFD_HOST_64BIT_LONG
291 value_format_64bit[5] = *radix;
292 #elif BFD_HOST_64BIT_LONG_LONG
293 #ifndef __MSVCRT__
294 value_format_64bit[6] = *radix;
295 #else
296 value_format_64bit[7] = *radix;
297 #endif
298 #endif
299 other_format[3] = desc_format[3] = *radix;
300 break;
301 default:
302 fatal (_("%s: invalid radix"), radix);
303 }
304 }
305
306 static void
307 set_output_format (char *f)
308 {
309 int i;
310
311 switch (*f)
312 {
313 case 'b':
314 case 'B':
315 i = FORMAT_BSD;
316 break;
317 case 'p':
318 case 'P':
319 i = FORMAT_POSIX;
320 break;
321 case 's':
322 case 'S':
323 i = FORMAT_SYSV;
324 break;
325 default:
326 fatal (_("%s: invalid output format"), f);
327 }
328 format = &formats[i];
329 }
330 \f
331 static const char *
332 get_symbol_type (unsigned int type)
333 {
334 static char buff [32];
335
336 switch (type)
337 {
338 case STT_NOTYPE: return "NOTYPE";
339 case STT_OBJECT: return "OBJECT";
340 case STT_FUNC: return "FUNC";
341 case STT_SECTION: return "SECTION";
342 case STT_FILE: return "FILE";
343 case STT_COMMON: return "COMMON";
344 case STT_TLS: return "TLS";
345 default:
346 if (type >= STT_LOPROC && type <= STT_HIPROC)
347 sprintf (buff, _("<processor specific>: %d"), type);
348 else if (type >= STT_LOOS && type <= STT_HIOS)
349 sprintf (buff, _("<OS specific>: %d"), type);
350 else
351 sprintf (buff, _("<unknown>: %d"), type);
352 return buff;
353 }
354 }
355 \f
356 /* Print symbol name NAME, read from ABFD, with printf format FORM,
357 demangling it if requested. */
358
359 static void
360 print_symname (const char *form, const char *name, bfd *abfd)
361 {
362 if (do_demangle && *name)
363 {
364 char *res = bfd_demangle (abfd, name, DMGL_ANSI | DMGL_PARAMS);
365
366 if (res != NULL)
367 {
368 printf (form, res);
369 free (res);
370 return;
371 }
372 }
373
374 printf (form, name);
375 }
376
377 static void
378 print_symdef_entry (bfd *abfd)
379 {
380 symindex idx = BFD_NO_MORE_SYMBOLS;
381 carsym *thesym;
382 bfd_boolean everprinted = FALSE;
383
384 for (idx = bfd_get_next_mapent (abfd, idx, &thesym);
385 idx != BFD_NO_MORE_SYMBOLS;
386 idx = bfd_get_next_mapent (abfd, idx, &thesym))
387 {
388 bfd *elt;
389 if (!everprinted)
390 {
391 printf (_("\nArchive index:\n"));
392 everprinted = TRUE;
393 }
394 elt = bfd_get_elt_at_index (abfd, idx);
395 if (elt == NULL)
396 bfd_fatal ("bfd_get_elt_at_index");
397 if (thesym->name != (char *) NULL)
398 {
399 print_symname ("%s", thesym->name, abfd);
400 printf (" in %s\n", bfd_get_filename (elt));
401 }
402 }
403 }
404 \f
405 /* Choose which symbol entries to print;
406 compact them downward to get rid of the rest.
407 Return the number of symbols to be printed. */
408
409 static long
410 filter_symbols (bfd *abfd, bfd_boolean is_dynamic, void *minisyms,
411 long symcount, unsigned int size)
412 {
413 bfd_byte *from, *fromend, *to;
414 asymbol *store;
415
416 store = bfd_make_empty_symbol (abfd);
417 if (store == NULL)
418 bfd_fatal (bfd_get_filename (abfd));
419
420 from = (bfd_byte *) minisyms;
421 fromend = from + symcount * size;
422 to = (bfd_byte *) minisyms;
423
424 for (; from < fromend; from += size)
425 {
426 int keep = 0;
427 asymbol *sym;
428
429 PROGRESS (1);
430
431 sym = bfd_minisymbol_to_symbol (abfd, is_dynamic, (const void *) from, store);
432 if (sym == NULL)
433 bfd_fatal (bfd_get_filename (abfd));
434
435 if (undefined_only)
436 keep = bfd_is_und_section (sym->section);
437 else if (external_only)
438 /* PR binutls/12753: Unique symbols are global too. */
439 keep = ((sym->flags & (BSF_GLOBAL
440 | BSF_WEAK
441 | BSF_GNU_UNIQUE)) != 0
442 || bfd_is_und_section (sym->section)
443 || bfd_is_com_section (sym->section));
444 else
445 keep = 1;
446
447 if (keep
448 && ! print_debug_syms
449 && (sym->flags & BSF_DEBUGGING) != 0)
450 keep = 0;
451
452 if (keep
453 && sort_by_size
454 && (bfd_is_abs_section (sym->section)
455 || bfd_is_und_section (sym->section)))
456 keep = 0;
457
458 if (keep
459 && defined_only)
460 {
461 if (bfd_is_und_section (sym->section))
462 keep = 0;
463 }
464
465 if (keep
466 && bfd_is_target_special_symbol (abfd, sym)
467 && ! allow_special_symbols)
468 keep = 0;
469
470 if (keep)
471 {
472 if (to != from)
473 memcpy (to, from, size);
474 to += size;
475 }
476 }
477
478 return (to - (bfd_byte *) minisyms) / size;
479 }
480 \f
481 /* These globals are used to pass information into the sorting
482 routines. */
483 static bfd *sort_bfd;
484 static bfd_boolean sort_dynamic;
485 static asymbol *sort_x;
486 static asymbol *sort_y;
487
488 /* Symbol-sorting predicates */
489 #define valueof(x) ((x)->section->vma + (x)->value)
490
491 /* Numeric sorts. Undefined symbols are always considered "less than"
492 defined symbols with zero values. Common symbols are not treated
493 specially -- i.e., their sizes are used as their "values". */
494
495 static int
496 non_numeric_forward (const void *P_x, const void *P_y)
497 {
498 asymbol *x, *y;
499 const char *xn, *yn;
500
501 x = bfd_minisymbol_to_symbol (sort_bfd, sort_dynamic, P_x, sort_x);
502 y = bfd_minisymbol_to_symbol (sort_bfd, sort_dynamic, P_y, sort_y);
503 if (x == NULL || y == NULL)
504 bfd_fatal (bfd_get_filename (sort_bfd));
505
506 xn = bfd_asymbol_name (x);
507 yn = bfd_asymbol_name (y);
508
509 if (yn == NULL)
510 return xn != NULL;
511 if (xn == NULL)
512 return -1;
513
514 #ifdef HAVE_STRCOLL
515 /* Solaris 2.5 has a bug in strcoll.
516 strcoll returns invalid values when confronted with empty strings. */
517 if (*yn == '\0')
518 return *xn != '\0';
519 if (*xn == '\0')
520 return -1;
521
522 return strcoll (xn, yn);
523 #else
524 return strcmp (xn, yn);
525 #endif
526 }
527
528 static int
529 non_numeric_reverse (const void *x, const void *y)
530 {
531 return - non_numeric_forward (x, y);
532 }
533
534 static int
535 numeric_forward (const void *P_x, const void *P_y)
536 {
537 asymbol *x, *y;
538 asection *xs, *ys;
539
540 x = bfd_minisymbol_to_symbol (sort_bfd, sort_dynamic, P_x, sort_x);
541 y = bfd_minisymbol_to_symbol (sort_bfd, sort_dynamic, P_y, sort_y);
542 if (x == NULL || y == NULL)
543 bfd_fatal (bfd_get_filename (sort_bfd));
544
545 xs = bfd_get_section (x);
546 ys = bfd_get_section (y);
547
548 if (bfd_is_und_section (xs))
549 {
550 if (! bfd_is_und_section (ys))
551 return -1;
552 }
553 else if (bfd_is_und_section (ys))
554 return 1;
555 else if (valueof (x) != valueof (y))
556 return valueof (x) < valueof (y) ? -1 : 1;
557
558 return non_numeric_forward (P_x, P_y);
559 }
560
561 static int
562 numeric_reverse (const void *x, const void *y)
563 {
564 return - numeric_forward (x, y);
565 }
566
567 static int (*(sorters[2][2])) (const void *, const void *) =
568 {
569 { non_numeric_forward, non_numeric_reverse },
570 { numeric_forward, numeric_reverse }
571 };
572
573 /* This sort routine is used by sort_symbols_by_size. It is similar
574 to numeric_forward, but when symbols have the same value it sorts
575 by section VMA. This simplifies the sort_symbols_by_size code
576 which handles symbols at the end of sections. Also, this routine
577 tries to sort file names before other symbols with the same value.
578 That will make the file name have a zero size, which will make
579 sort_symbols_by_size choose the non file name symbol, leading to
580 more meaningful output. For similar reasons, this code sorts
581 gnu_compiled_* and gcc2_compiled before other symbols with the same
582 value. */
583
584 static int
585 size_forward1 (const void *P_x, const void *P_y)
586 {
587 asymbol *x, *y;
588 asection *xs, *ys;
589 const char *xn, *yn;
590 size_t xnl, ynl;
591 int xf, yf;
592
593 x = bfd_minisymbol_to_symbol (sort_bfd, sort_dynamic, P_x, sort_x);
594 y = bfd_minisymbol_to_symbol (sort_bfd, sort_dynamic, P_y, sort_y);
595 if (x == NULL || y == NULL)
596 bfd_fatal (bfd_get_filename (sort_bfd));
597
598 xs = bfd_get_section (x);
599 ys = bfd_get_section (y);
600
601 if (bfd_is_und_section (xs))
602 abort ();
603 if (bfd_is_und_section (ys))
604 abort ();
605
606 if (valueof (x) != valueof (y))
607 return valueof (x) < valueof (y) ? -1 : 1;
608
609 if (xs->vma != ys->vma)
610 return xs->vma < ys->vma ? -1 : 1;
611
612 xn = bfd_asymbol_name (x);
613 yn = bfd_asymbol_name (y);
614 xnl = strlen (xn);
615 ynl = strlen (yn);
616
617 /* The symbols gnu_compiled and gcc2_compiled convey even less
618 information than the file name, so sort them out first. */
619
620 xf = (strstr (xn, "gnu_compiled") != NULL
621 || strstr (xn, "gcc2_compiled") != NULL);
622 yf = (strstr (yn, "gnu_compiled") != NULL
623 || strstr (yn, "gcc2_compiled") != NULL);
624
625 if (xf && ! yf)
626 return -1;
627 if (! xf && yf)
628 return 1;
629
630 /* We use a heuristic for the file name. It may not work on non
631 Unix systems, but it doesn't really matter; the only difference
632 is precisely which symbol names get printed. */
633
634 #define file_symbol(s, sn, snl) \
635 (((s)->flags & BSF_FILE) != 0 \
636 || ((sn)[(snl) - 2] == '.' \
637 && ((sn)[(snl) - 1] == 'o' \
638 || (sn)[(snl) - 1] == 'a')))
639
640 xf = file_symbol (x, xn, xnl);
641 yf = file_symbol (y, yn, ynl);
642
643 if (xf && ! yf)
644 return -1;
645 if (! xf && yf)
646 return 1;
647
648 return non_numeric_forward (P_x, P_y);
649 }
650
651 /* This sort routine is used by sort_symbols_by_size. It is sorting
652 an array of size_sym structures into size order. */
653
654 static int
655 size_forward2 (const void *P_x, const void *P_y)
656 {
657 const struct size_sym *x = (const struct size_sym *) P_x;
658 const struct size_sym *y = (const struct size_sym *) P_y;
659
660 if (x->size < y->size)
661 return reverse_sort ? 1 : -1;
662 else if (x->size > y->size)
663 return reverse_sort ? -1 : 1;
664 else
665 return sorters[0][reverse_sort] (x->minisym, y->minisym);
666 }
667
668 /* Sort the symbols by size. ELF provides a size but for other formats
669 we have to make a guess by assuming that the difference between the
670 address of a symbol and the address of the next higher symbol is the
671 size. */
672
673 static long
674 sort_symbols_by_size (bfd *abfd, bfd_boolean is_dynamic, void *minisyms,
675 long symcount, unsigned int size,
676 struct size_sym **symsizesp)
677 {
678 struct size_sym *symsizes;
679 bfd_byte *from, *fromend;
680 asymbol *sym = NULL;
681 asymbol *store_sym, *store_next;
682
683 qsort (minisyms, symcount, size, size_forward1);
684
685 /* We are going to return a special set of symbols and sizes to
686 print. */
687 symsizes = (struct size_sym *) xmalloc (symcount * sizeof (struct size_sym));
688 *symsizesp = symsizes;
689
690 /* Note that filter_symbols has already removed all absolute and
691 undefined symbols. Here we remove all symbols whose size winds
692 up as zero. */
693 from = (bfd_byte *) minisyms;
694 fromend = from + symcount * size;
695
696 store_sym = sort_x;
697 store_next = sort_y;
698
699 if (from < fromend)
700 {
701 sym = bfd_minisymbol_to_symbol (abfd, is_dynamic, (const void *) from,
702 store_sym);
703 if (sym == NULL)
704 bfd_fatal (bfd_get_filename (abfd));
705 }
706
707 for (; from < fromend; from += size)
708 {
709 asymbol *next;
710 asection *sec;
711 bfd_vma sz;
712 asymbol *temp;
713
714 if (from + size < fromend)
715 {
716 next = bfd_minisymbol_to_symbol (abfd,
717 is_dynamic,
718 (const void *) (from + size),
719 store_next);
720 if (next == NULL)
721 bfd_fatal (bfd_get_filename (abfd));
722 }
723 else
724 next = NULL;
725
726 sec = bfd_get_section (sym);
727
728 if (bfd_get_flavour (abfd) == bfd_target_elf_flavour)
729 sz = ((elf_symbol_type *) sym)->internal_elf_sym.st_size;
730 else if (bfd_is_com_section (sec))
731 sz = sym->value;
732 else
733 {
734 if (from + size < fromend
735 && sec == bfd_get_section (next))
736 sz = valueof (next) - valueof (sym);
737 else
738 sz = (bfd_get_section_vma (abfd, sec)
739 + bfd_section_size (abfd, sec)
740 - valueof (sym));
741 }
742
743 if (sz != 0)
744 {
745 symsizes->minisym = (const void *) from;
746 symsizes->size = sz;
747 ++symsizes;
748 }
749
750 sym = next;
751
752 temp = store_sym;
753 store_sym = store_next;
754 store_next = temp;
755 }
756
757 symcount = symsizes - *symsizesp;
758
759 /* We must now sort again by size. */
760 qsort ((void *) *symsizesp, symcount, sizeof (struct size_sym), size_forward2);
761
762 return symcount;
763 }
764
765 /* This function is used to get the relocs for a particular section.
766 It is called via bfd_map_over_sections. */
767
768 static void
769 get_relocs (bfd *abfd, asection *sec, void *dataarg)
770 {
771 struct get_relocs_info *data = (struct get_relocs_info *) dataarg;
772
773 *data->secs = sec;
774
775 if ((sec->flags & SEC_RELOC) == 0)
776 {
777 *data->relocs = NULL;
778 *data->relcount = 0;
779 }
780 else
781 {
782 long relsize;
783
784 relsize = bfd_get_reloc_upper_bound (abfd, sec);
785 if (relsize < 0)
786 bfd_fatal (bfd_get_filename (abfd));
787
788 *data->relocs = (arelent **) xmalloc (relsize);
789 *data->relcount = bfd_canonicalize_reloc (abfd, sec, *data->relocs,
790 data->syms);
791 if (*data->relcount < 0)
792 bfd_fatal (bfd_get_filename (abfd));
793 }
794
795 ++data->secs;
796 ++data->relocs;
797 ++data->relcount;
798 }
799
800 /* Print a single symbol. */
801
802 static void
803 print_symbol (bfd *abfd, asymbol *sym, bfd_vma ssize, bfd *archive_bfd)
804 {
805 symbol_info syminfo;
806 struct extended_symbol_info info;
807
808 PROGRESS (1);
809
810 format->print_symbol_filename (archive_bfd, abfd);
811
812 bfd_get_symbol_info (abfd, sym, &syminfo);
813 info.sinfo = &syminfo;
814 info.ssize = ssize;
815 if (bfd_get_flavour (abfd) == bfd_target_elf_flavour)
816 info.elfinfo = (elf_symbol_type *) sym;
817 else
818 info.elfinfo = NULL;
819 format->print_symbol_info (&info, abfd);
820
821 if (line_numbers)
822 {
823 static asymbol **syms;
824 static long symcount;
825 const char *filename, *functionname;
826 unsigned int lineno;
827
828 /* We need to get the canonical symbols in order to call
829 bfd_find_nearest_line. This is inefficient, but, then, you
830 don't have to use --line-numbers. */
831 if (abfd != lineno_cache_bfd && syms != NULL)
832 {
833 free (syms);
834 syms = NULL;
835 }
836 if (syms == NULL)
837 {
838 long symsize;
839
840 symsize = bfd_get_symtab_upper_bound (abfd);
841 if (symsize < 0)
842 bfd_fatal (bfd_get_filename (abfd));
843 syms = (asymbol **) xmalloc (symsize);
844 symcount = bfd_canonicalize_symtab (abfd, syms);
845 if (symcount < 0)
846 bfd_fatal (bfd_get_filename (abfd));
847 lineno_cache_bfd = abfd;
848 }
849
850 if (bfd_is_und_section (bfd_get_section (sym)))
851 {
852 static asection **secs;
853 static arelent ***relocs;
854 static long *relcount;
855 static unsigned int seccount;
856 unsigned int i;
857 const char *symname;
858
859 /* For an undefined symbol, we try to find a reloc for the
860 symbol, and print the line number of the reloc. */
861 if (abfd != lineno_cache_rel_bfd && relocs != NULL)
862 {
863 for (i = 0; i < seccount; i++)
864 if (relocs[i] != NULL)
865 free (relocs[i]);
866 free (secs);
867 free (relocs);
868 free (relcount);
869 secs = NULL;
870 relocs = NULL;
871 relcount = NULL;
872 }
873
874 if (relocs == NULL)
875 {
876 struct get_relocs_info rinfo;
877
878 seccount = bfd_count_sections (abfd);
879
880 secs = (asection **) xmalloc (seccount * sizeof *secs);
881 relocs = (arelent ***) xmalloc (seccount * sizeof *relocs);
882 relcount = (long *) xmalloc (seccount * sizeof *relcount);
883
884 rinfo.secs = secs;
885 rinfo.relocs = relocs;
886 rinfo.relcount = relcount;
887 rinfo.syms = syms;
888 bfd_map_over_sections (abfd, get_relocs, (void *) &rinfo);
889 lineno_cache_rel_bfd = abfd;
890 }
891
892 symname = bfd_asymbol_name (sym);
893 for (i = 0; i < seccount; i++)
894 {
895 long j;
896
897 for (j = 0; j < relcount[i]; j++)
898 {
899 arelent *r;
900
901 r = relocs[i][j];
902 if (r->sym_ptr_ptr != NULL
903 && (*r->sym_ptr_ptr)->section == sym->section
904 && (*r->sym_ptr_ptr)->value == sym->value
905 && strcmp (symname,
906 bfd_asymbol_name (*r->sym_ptr_ptr)) == 0
907 && bfd_find_nearest_line (abfd, secs[i], syms,
908 r->address, &filename,
909 &functionname, &lineno)
910 && filename != NULL)
911 {
912 /* We only print the first one we find. */
913 printf ("\t%s:%u", filename, lineno);
914 i = seccount;
915 break;
916 }
917 }
918 }
919 }
920 else if (bfd_get_section (sym)->owner == abfd)
921 {
922 if ((bfd_find_line (abfd, syms, sym, &filename, &lineno)
923 || bfd_find_nearest_line (abfd, bfd_get_section (sym),
924 syms, sym->value, &filename,
925 &functionname, &lineno))
926 && filename != NULL
927 && lineno != 0)
928 printf ("\t%s:%u", filename, lineno);
929 }
930 }
931
932 putchar ('\n');
933 }
934 \f
935 /* Print the symbols when sorting by size. */
936
937 static void
938 print_size_symbols (bfd *abfd, bfd_boolean is_dynamic,
939 struct size_sym *symsizes, long symcount,
940 bfd *archive_bfd)
941 {
942 asymbol *store;
943 struct size_sym *from, *fromend;
944
945 store = bfd_make_empty_symbol (abfd);
946 if (store == NULL)
947 bfd_fatal (bfd_get_filename (abfd));
948
949 from = symsizes;
950 fromend = from + symcount;
951 for (; from < fromend; from++)
952 {
953 asymbol *sym;
954
955 sym = bfd_minisymbol_to_symbol (abfd, is_dynamic, from->minisym, store);
956 if (sym == NULL)
957 bfd_fatal (bfd_get_filename (abfd));
958
959 print_symbol (abfd, sym, from->size, archive_bfd);
960 }
961 }
962
963 \f
964 /* Print the symbols. If ARCHIVE_BFD is non-NULL, it is the archive
965 containing ABFD. */
966
967 static void
968 print_symbols (bfd *abfd, bfd_boolean is_dynamic, void *minisyms, long symcount,
969 unsigned int size, bfd *archive_bfd)
970 {
971 asymbol *store;
972 bfd_byte *from, *fromend;
973
974 store = bfd_make_empty_symbol (abfd);
975 if (store == NULL)
976 bfd_fatal (bfd_get_filename (abfd));
977
978 from = (bfd_byte *) minisyms;
979 fromend = from + symcount * size;
980 for (; from < fromend; from += size)
981 {
982 asymbol *sym;
983
984 sym = bfd_minisymbol_to_symbol (abfd, is_dynamic, from, store);
985 if (sym == NULL)
986 bfd_fatal (bfd_get_filename (abfd));
987
988 print_symbol (abfd, sym, (bfd_vma) 0, archive_bfd);
989 }
990 }
991
992 /* If ARCHIVE_BFD is non-NULL, it is the archive containing ABFD. */
993
994 static void
995 display_rel_file (bfd *abfd, bfd *archive_bfd)
996 {
997 long symcount;
998 void *minisyms;
999 unsigned int size;
1000 struct size_sym *symsizes;
1001
1002 if (! dynamic)
1003 {
1004 if (!(bfd_get_file_flags (abfd) & HAS_SYMS))
1005 {
1006 non_fatal (_("%s: no symbols"), bfd_get_filename (abfd));
1007 return;
1008 }
1009 }
1010
1011 symcount = bfd_read_minisymbols (abfd, dynamic, &minisyms, &size);
1012 if (symcount < 0)
1013 {
1014 if (dynamic && bfd_get_error () == bfd_error_no_symbols)
1015 {
1016 non_fatal (_("%s: no symbols"), bfd_get_filename (abfd));
1017 return;
1018 }
1019
1020 bfd_fatal (bfd_get_filename (abfd));
1021 }
1022
1023 if (symcount == 0)
1024 {
1025 non_fatal (_("%s: no symbols"), bfd_get_filename (abfd));
1026 return;
1027 }
1028
1029 if (show_synthetic && size == sizeof (asymbol *))
1030 {
1031 asymbol *synthsyms;
1032 long synth_count;
1033 asymbol **static_syms = NULL;
1034 asymbol **dyn_syms = NULL;
1035 long static_count = 0;
1036 long dyn_count = 0;
1037
1038 if (dynamic)
1039 {
1040 dyn_count = symcount;
1041 dyn_syms = (asymbol **) minisyms;
1042 }
1043 else
1044 {
1045 long storage = bfd_get_dynamic_symtab_upper_bound (abfd);
1046
1047 static_count = symcount;
1048 static_syms = (asymbol **) minisyms;
1049
1050 if (storage > 0)
1051 {
1052 dyn_syms = (asymbol **) xmalloc (storage);
1053 dyn_count = bfd_canonicalize_dynamic_symtab (abfd, dyn_syms);
1054 if (dyn_count < 0)
1055 bfd_fatal (bfd_get_filename (abfd));
1056 }
1057 }
1058 synth_count = bfd_get_synthetic_symtab (abfd, static_count, static_syms,
1059 dyn_count, dyn_syms, &synthsyms);
1060 if (synth_count > 0)
1061 {
1062 asymbol **symp;
1063 void *new_mini;
1064 long i;
1065
1066 new_mini = xmalloc ((symcount + synth_count + 1) * sizeof (*symp));
1067 symp = (asymbol **) new_mini;
1068 memcpy (symp, minisyms, symcount * sizeof (*symp));
1069 symp += symcount;
1070 for (i = 0; i < synth_count; i++)
1071 *symp++ = synthsyms + i;
1072 *symp = 0;
1073 minisyms = new_mini;
1074 symcount += synth_count;
1075 }
1076 }
1077
1078 /* Discard the symbols we don't want to print.
1079 It's OK to do this in place; we'll free the storage anyway
1080 (after printing). */
1081
1082 symcount = filter_symbols (abfd, dynamic, minisyms, symcount, size);
1083
1084 symsizes = NULL;
1085 if (! no_sort)
1086 {
1087 sort_bfd = abfd;
1088 sort_dynamic = dynamic;
1089 sort_x = bfd_make_empty_symbol (abfd);
1090 sort_y = bfd_make_empty_symbol (abfd);
1091 if (sort_x == NULL || sort_y == NULL)
1092 bfd_fatal (bfd_get_filename (abfd));
1093
1094 if (! sort_by_size)
1095 qsort (minisyms, symcount, size,
1096 sorters[sort_numerically][reverse_sort]);
1097 else
1098 symcount = sort_symbols_by_size (abfd, dynamic, minisyms, symcount,
1099 size, &symsizes);
1100 }
1101
1102 if (! sort_by_size)
1103 print_symbols (abfd, dynamic, minisyms, symcount, size, archive_bfd);
1104 else
1105 print_size_symbols (abfd, dynamic, symsizes, symcount, archive_bfd);
1106
1107 free (minisyms);
1108 free (symsizes);
1109 }
1110
1111 static void
1112 set_print_width (bfd *file)
1113 {
1114 print_width = bfd_get_arch_size (file);
1115
1116 if (print_width == -1)
1117 {
1118 /* PR binutils/4292
1119 Guess the target's bitsize based on its name.
1120 We assume here than any 64-bit format will include
1121 "64" somewhere in its name. The only known exception
1122 is the MMO object file format. */
1123 if (strstr (bfd_get_target (file), "64") != NULL
1124 || strcmp (bfd_get_target (file), "mmo") == 0)
1125 print_width = 64;
1126 else
1127 print_width = 32;
1128 }
1129 }
1130
1131 static void
1132 display_archive (bfd *file)
1133 {
1134 bfd *arfile = NULL;
1135 bfd *last_arfile = NULL;
1136 char **matching;
1137
1138 format->print_archive_filename (bfd_get_filename (file));
1139
1140 if (print_armap)
1141 print_symdef_entry (file);
1142
1143 for (;;)
1144 {
1145 PROGRESS (1);
1146
1147 arfile = bfd_openr_next_archived_file (file, arfile);
1148
1149 if (arfile == NULL)
1150 {
1151 if (bfd_get_error () != bfd_error_no_more_archived_files)
1152 bfd_fatal (bfd_get_filename (file));
1153 break;
1154 }
1155
1156 if (bfd_check_format_matches (arfile, bfd_object, &matching))
1157 {
1158 set_print_width (arfile);
1159 format->print_archive_member (bfd_get_filename (file),
1160 bfd_get_filename (arfile));
1161 display_rel_file (arfile, file);
1162 }
1163 else
1164 {
1165 bfd_nonfatal (bfd_get_filename (arfile));
1166 if (bfd_get_error () == bfd_error_file_ambiguously_recognized)
1167 {
1168 list_matching_formats (matching);
1169 free (matching);
1170 }
1171 }
1172
1173 if (last_arfile != NULL)
1174 {
1175 bfd_close (last_arfile);
1176 lineno_cache_bfd = NULL;
1177 lineno_cache_rel_bfd = NULL;
1178 }
1179 last_arfile = arfile;
1180 }
1181
1182 if (last_arfile != NULL)
1183 {
1184 bfd_close (last_arfile);
1185 lineno_cache_bfd = NULL;
1186 lineno_cache_rel_bfd = NULL;
1187 }
1188 }
1189
1190 static bfd_boolean
1191 display_file (char *filename)
1192 {
1193 bfd_boolean retval = TRUE;
1194 bfd *file;
1195 char **matching;
1196
1197 if (get_file_size (filename) < 1)
1198 return FALSE;
1199
1200 file = bfd_openr (filename, target ? target : plugin_target);
1201 if (file == NULL)
1202 {
1203 bfd_nonfatal (filename);
1204 return FALSE;
1205 }
1206
1207 /* If printing line numbers, decompress the debug sections. */
1208 if (line_numbers)
1209 file->flags |= BFD_DECOMPRESS;
1210
1211 if (bfd_check_format (file, bfd_archive))
1212 {
1213 display_archive (file);
1214 }
1215 else if (bfd_check_format_matches (file, bfd_object, &matching))
1216 {
1217 set_print_width (file);
1218 format->print_object_filename (filename);
1219 display_rel_file (file, NULL);
1220 }
1221 else
1222 {
1223 bfd_nonfatal (filename);
1224 if (bfd_get_error () == bfd_error_file_ambiguously_recognized)
1225 {
1226 list_matching_formats (matching);
1227 free (matching);
1228 }
1229 retval = FALSE;
1230 }
1231
1232 if (!bfd_close (file))
1233 bfd_fatal (filename);
1234
1235 lineno_cache_bfd = NULL;
1236 lineno_cache_rel_bfd = NULL;
1237
1238 return retval;
1239 }
1240 \f
1241 /* The following 3 groups of functions are called unconditionally,
1242 once at the start of processing each file of the appropriate type.
1243 They should check `filename_per_file' and `filename_per_symbol',
1244 as appropriate for their output format, to determine whether to
1245 print anything. */
1246 \f
1247 /* Print the name of an object file given on the command line. */
1248
1249 static void
1250 print_object_filename_bsd (char *filename)
1251 {
1252 if (filename_per_file && !filename_per_symbol)
1253 printf ("\n%s:\n", filename);
1254 }
1255
1256 static void
1257 print_object_filename_sysv (char *filename)
1258 {
1259 if (undefined_only)
1260 printf (_("\n\nUndefined symbols from %s:\n\n"), filename);
1261 else
1262 printf (_("\n\nSymbols from %s:\n\n"), filename);
1263 if (print_width == 32)
1264 printf (_("\
1265 Name Value Class Type Size Line Section\n\n"));
1266 else
1267 printf (_("\
1268 Name Value Class Type Size Line Section\n\n"));
1269 }
1270
1271 static void
1272 print_object_filename_posix (char *filename)
1273 {
1274 if (filename_per_file && !filename_per_symbol)
1275 printf ("%s:\n", filename);
1276 }
1277 \f
1278 /* Print the name of an archive file given on the command line. */
1279
1280 static void
1281 print_archive_filename_bsd (char *filename)
1282 {
1283 if (filename_per_file)
1284 printf ("\n%s:\n", filename);
1285 }
1286
1287 static void
1288 print_archive_filename_sysv (char *filename ATTRIBUTE_UNUSED)
1289 {
1290 }
1291
1292 static void
1293 print_archive_filename_posix (char *filename ATTRIBUTE_UNUSED)
1294 {
1295 }
1296 \f
1297 /* Print the name of an archive member file. */
1298
1299 static void
1300 print_archive_member_bsd (char *archive ATTRIBUTE_UNUSED,
1301 const char *filename)
1302 {
1303 if (!filename_per_symbol)
1304 printf ("\n%s:\n", filename);
1305 }
1306
1307 static void
1308 print_archive_member_sysv (char *archive, const char *filename)
1309 {
1310 if (undefined_only)
1311 printf (_("\n\nUndefined symbols from %s[%s]:\n\n"), archive, filename);
1312 else
1313 printf (_("\n\nSymbols from %s[%s]:\n\n"), archive, filename);
1314 if (print_width == 32)
1315 printf (_("\
1316 Name Value Class Type Size Line Section\n\n"));
1317 else
1318 printf (_("\
1319 Name Value Class Type Size Line Section\n\n"));
1320 }
1321
1322 static void
1323 print_archive_member_posix (char *archive, const char *filename)
1324 {
1325 if (!filename_per_symbol)
1326 printf ("%s[%s]:\n", archive, filename);
1327 }
1328 \f
1329 /* Print the name of the file (and archive, if there is one)
1330 containing a symbol. */
1331
1332 static void
1333 print_symbol_filename_bsd (bfd *archive_bfd, bfd *abfd)
1334 {
1335 if (filename_per_symbol)
1336 {
1337 if (archive_bfd)
1338 printf ("%s:", bfd_get_filename (archive_bfd));
1339 printf ("%s:", bfd_get_filename (abfd));
1340 }
1341 }
1342
1343 static void
1344 print_symbol_filename_sysv (bfd *archive_bfd, bfd *abfd)
1345 {
1346 if (filename_per_symbol)
1347 {
1348 if (archive_bfd)
1349 printf ("%s:", bfd_get_filename (archive_bfd));
1350 printf ("%s:", bfd_get_filename (abfd));
1351 }
1352 }
1353
1354 static void
1355 print_symbol_filename_posix (bfd *archive_bfd, bfd *abfd)
1356 {
1357 if (filename_per_symbol)
1358 {
1359 if (archive_bfd)
1360 printf ("%s[%s]: ", bfd_get_filename (archive_bfd),
1361 bfd_get_filename (abfd));
1362 else
1363 printf ("%s: ", bfd_get_filename (abfd));
1364 }
1365 }
1366 \f
1367 /* Print a symbol value. */
1368
1369 static void
1370 print_value (bfd *abfd ATTRIBUTE_UNUSED, bfd_vma val)
1371 {
1372 switch (print_width)
1373 {
1374 case 32:
1375 printf (value_format_32bit, (unsigned long) val);
1376 break;
1377
1378 case 64:
1379 #if BFD_HOST_64BIT_LONG || BFD_HOST_64BIT_LONG_LONG
1380 printf (value_format_64bit, val);
1381 #else
1382 /* We have a 64 bit value to print, but the host is only 32 bit. */
1383 if (print_radix == 16)
1384 bfd_fprintf_vma (abfd, stdout, val);
1385 else
1386 {
1387 char buf[30];
1388 char *s;
1389
1390 s = buf + sizeof buf;
1391 *--s = '\0';
1392 while (val > 0)
1393 {
1394 *--s = (val % print_radix) + '0';
1395 val /= print_radix;
1396 }
1397 while ((buf + sizeof buf - 1) - s < 16)
1398 *--s = '0';
1399 printf ("%s", s);
1400 }
1401 #endif
1402 break;
1403
1404 default:
1405 fatal (_("Print width has not been initialized (%d)"), print_width);
1406 break;
1407 }
1408 }
1409
1410 /* Print a line of information about a symbol. */
1411
1412 static void
1413 print_symbol_info_bsd (struct extended_symbol_info *info, bfd *abfd)
1414 {
1415 if (bfd_is_undefined_symclass (SYM_TYPE (info)))
1416 {
1417 if (print_width == 64)
1418 printf (" ");
1419 printf (" ");
1420 }
1421 else
1422 {
1423 /* Normally we print the value of the symbol. If we are printing the
1424 size or sorting by size then we print its size, except for the
1425 (weird) special case where both flags are defined, in which case we
1426 print both values. This conforms to documented behaviour. */
1427 if (sort_by_size && !print_size)
1428 print_value (abfd, SYM_SIZE (info));
1429 else
1430 print_value (abfd, SYM_VALUE (info));
1431
1432 if (print_size && SYM_SIZE (info))
1433 {
1434 printf (" ");
1435 print_value (abfd, SYM_SIZE (info));
1436 }
1437 }
1438
1439 printf (" %c", SYM_TYPE (info));
1440
1441 if (SYM_TYPE (info) == '-')
1442 {
1443 /* A stab. */
1444 printf (" ");
1445 printf (other_format, SYM_STAB_OTHER (info));
1446 printf (" ");
1447 printf (desc_format, SYM_STAB_DESC (info));
1448 printf (" %5s", SYM_STAB_NAME (info));
1449 }
1450 print_symname (" %s", SYM_NAME (info), abfd);
1451 }
1452
1453 static void
1454 print_symbol_info_sysv (struct extended_symbol_info *info, bfd *abfd)
1455 {
1456 print_symname ("%-20s|", SYM_NAME (info), abfd);
1457
1458 if (bfd_is_undefined_symclass (SYM_TYPE (info)))
1459 {
1460 if (print_width == 32)
1461 printf (" ");
1462 else
1463 printf (" ");
1464 }
1465 else
1466 print_value (abfd, SYM_VALUE (info));
1467
1468 printf ("| %c |", SYM_TYPE (info));
1469
1470 if (SYM_TYPE (info) == '-')
1471 {
1472 /* A stab. */
1473 printf ("%18s| ", SYM_STAB_NAME (info)); /* (C) Type. */
1474 printf (desc_format, SYM_STAB_DESC (info)); /* Size. */
1475 printf ("| |"); /* Line, Section. */
1476 }
1477 else
1478 {
1479 /* Type, Size, Line, Section */
1480 if (info->elfinfo)
1481 printf ("%18s|",
1482 get_symbol_type (ELF_ST_TYPE (info->elfinfo->internal_elf_sym.st_info)));
1483 else
1484 printf (" |");
1485
1486 if (SYM_SIZE (info))
1487 print_value (abfd, SYM_SIZE (info));
1488 else
1489 {
1490 if (print_width == 32)
1491 printf (" ");
1492 else
1493 printf (" ");
1494 }
1495
1496 if (info->elfinfo)
1497 printf("| |%s", info->elfinfo->symbol.section->name);
1498 else
1499 printf("| |");
1500 }
1501 }
1502
1503 static void
1504 print_symbol_info_posix (struct extended_symbol_info *info, bfd *abfd)
1505 {
1506 print_symname ("%s ", SYM_NAME (info), abfd);
1507 printf ("%c ", SYM_TYPE (info));
1508
1509 if (bfd_is_undefined_symclass (SYM_TYPE (info)))
1510 printf (" ");
1511 else
1512 {
1513 print_value (abfd, SYM_VALUE (info));
1514 printf (" ");
1515 if (SYM_SIZE (info))
1516 print_value (abfd, SYM_SIZE (info));
1517 }
1518 }
1519 \f
1520 int
1521 main (int argc, char **argv)
1522 {
1523 int c;
1524 int retval;
1525
1526 #if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES)
1527 setlocale (LC_MESSAGES, "");
1528 #endif
1529 #if defined (HAVE_SETLOCALE)
1530 setlocale (LC_CTYPE, "");
1531 setlocale (LC_COLLATE, "");
1532 #endif
1533 bindtextdomain (PACKAGE, LOCALEDIR);
1534 textdomain (PACKAGE);
1535
1536 program_name = *argv;
1537 xmalloc_set_program_name (program_name);
1538 #if BFD_SUPPORTS_PLUGINS
1539 bfd_plugin_set_program_name (program_name);
1540 #endif
1541
1542 START_PROGRESS (program_name, 0);
1543
1544 expandargv (&argc, &argv);
1545
1546 bfd_init ();
1547 set_default_bfd_target ();
1548
1549 while ((c = getopt_long (argc, argv, "aABCDef:gHhlnopPrSst:uvVvX:",
1550 long_options, (int *) 0)) != EOF)
1551 {
1552 switch (c)
1553 {
1554 case 'a':
1555 print_debug_syms = 1;
1556 break;
1557 case 'A':
1558 case 'o':
1559 filename_per_symbol = 1;
1560 break;
1561 case 'B': /* For MIPS compatibility. */
1562 set_output_format ("bsd");
1563 break;
1564 case 'C':
1565 do_demangle = 1;
1566 if (optarg != NULL)
1567 {
1568 enum demangling_styles style;
1569
1570 style = cplus_demangle_name_to_style (optarg);
1571 if (style == unknown_demangling)
1572 fatal (_("unknown demangling style `%s'"),
1573 optarg);
1574
1575 cplus_demangle_set_style (style);
1576 }
1577 break;
1578 case 'D':
1579 dynamic = 1;
1580 break;
1581 case 'e':
1582 /* Ignored for HP/UX compatibility. */
1583 break;
1584 case 'f':
1585 set_output_format (optarg);
1586 break;
1587 case 'g':
1588 external_only = 1;
1589 break;
1590 case 'H':
1591 case 'h':
1592 usage (stdout, 0);
1593 case 'l':
1594 line_numbers = 1;
1595 break;
1596 case 'n':
1597 case 'v':
1598 no_sort = 0;
1599 sort_numerically = 1;
1600 sort_by_size = 0;
1601 break;
1602 case 'p':
1603 no_sort = 1;
1604 sort_numerically = 0;
1605 sort_by_size = 0;
1606 break;
1607 case OPTION_SIZE_SORT:
1608 no_sort = 0;
1609 sort_numerically = 0;
1610 sort_by_size = 1;
1611 break;
1612 case 'P':
1613 set_output_format ("posix");
1614 break;
1615 case 'r':
1616 reverse_sort = 1;
1617 break;
1618 case 's':
1619 print_armap = 1;
1620 break;
1621 case 'S':
1622 print_size = 1;
1623 break;
1624 case 't':
1625 set_print_radix (optarg);
1626 break;
1627 case 'u':
1628 undefined_only = 1;
1629 break;
1630 case 'V':
1631 show_version = 1;
1632 break;
1633 case 'X':
1634 /* Ignored for (partial) AIX compatibility. On AIX, the
1635 argument has values 32, 64, or 32_64, and specifies that
1636 only 32-bit, only 64-bit, or both kinds of objects should
1637 be examined. The default is 32. So plain AIX nm on a
1638 library archive with both kinds of objects will ignore
1639 the 64-bit ones. For GNU nm, the default is and always
1640 has been -X 32_64, and other options are not supported. */
1641 if (strcmp (optarg, "32_64") != 0)
1642 fatal (_("Only -X 32_64 is supported"));
1643 break;
1644
1645 case OPTION_TARGET: /* --target */
1646 target = optarg;
1647 break;
1648
1649 case OPTION_PLUGIN: /* --plugin */
1650 #if BFD_SUPPORTS_PLUGINS
1651 plugin_target = "plugin";
1652 bfd_plugin_set_plugin (optarg);
1653 #else
1654 fatal (_("sorry - this program has been built without plugin support\n"));
1655 #endif
1656 break;
1657
1658 case 0: /* A long option that just sets a flag. */
1659 break;
1660
1661 default:
1662 usage (stderr, 1);
1663 }
1664 }
1665
1666 if (show_version)
1667 print_version ("nm");
1668
1669 if (sort_by_size && undefined_only)
1670 {
1671 non_fatal (_("Using the --size-sort and --undefined-only options together"));
1672 non_fatal (_("will produce no output, since undefined symbols have no size."));
1673 return 0;
1674 }
1675
1676 /* OK, all options now parsed. If no filename specified, do a.out. */
1677 if (optind == argc)
1678 return !display_file ("a.out");
1679
1680 retval = 0;
1681
1682 if (argc - optind > 1)
1683 filename_per_file = 1;
1684
1685 /* We were given several filenames to do. */
1686 while (optind < argc)
1687 {
1688 PROGRESS (1);
1689 if (!display_file (argv[optind++]))
1690 retval++;
1691 }
1692
1693 END_PROGRESS (program_name);
1694
1695 #ifdef HAVE_SBRK
1696 if (show_stats)
1697 {
1698 char *lim = (char *) sbrk (0);
1699
1700 non_fatal (_("data size %ld"), (long) (lim - (char *) &environ));
1701 }
1702 #endif
1703
1704 exit (retval);
1705 return retval;
1706 }
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