Fix indentation in print_thread_info_1
[deliverable/binutils-gdb.git] / binutils / nm.c
1 /* nm.c -- Describe symbol table of a rel file.
2 Copyright (C) 1991-2020 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 #define DO_NOT_DEFINE_AOUTHDR
32 #define DO_NOT_DEFINE_FILHDR
33 #define DO_NOT_DEFINE_LINENO
34 #define DO_NOT_DEFINE_SCNHDR
35 #include "coff/external.h"
36 #include "coff/internal.h"
37 #include "libcoff.h"
38 #include "bucomm.h"
39 #include "plugin-api.h"
40 #include "plugin.h"
41
42 /* When sorting by size, we use this structure to hold the size and a
43 pointer to the minisymbol. */
44
45 struct size_sym
46 {
47 const void *minisym;
48 bfd_vma size;
49 };
50
51 /* When fetching relocs, we use this structure to pass information to
52 get_relocs. */
53
54 struct get_relocs_info
55 {
56 asection **secs;
57 arelent ***relocs;
58 long *relcount;
59 asymbol **syms;
60 };
61
62 struct extended_symbol_info
63 {
64 symbol_info *sinfo;
65 bfd_vma ssize;
66 elf_symbol_type *elfinfo;
67 coff_symbol_type *coffinfo;
68 /* FIXME: We should add more fields for Type, Line, Section. */
69 };
70 #define SYM_NAME(sym) (sym->sinfo->name)
71 #define SYM_VALUE(sym) (sym->sinfo->value)
72 #define SYM_TYPE(sym) (sym->sinfo->type)
73 #define SYM_STAB_NAME(sym) (sym->sinfo->stab_name)
74 #define SYM_STAB_DESC(sym) (sym->sinfo->stab_desc)
75 #define SYM_STAB_OTHER(sym) (sym->sinfo->stab_other)
76 #define SYM_SIZE(sym) \
77 (sym->elfinfo ? sym->elfinfo->internal_elf_sym.st_size: sym->ssize)
78
79 /* The output formatting functions. */
80 static void print_object_filename_bsd (const char *);
81 static void print_object_filename_sysv (const char *);
82 static void print_object_filename_posix (const char *);
83 static void print_archive_filename_bsd (const char *);
84 static void print_archive_filename_sysv (const char *);
85 static void print_archive_filename_posix (const char *);
86 static void print_archive_member_bsd (const char *, const char *);
87 static void print_archive_member_sysv (const char *, const char *);
88 static void print_archive_member_posix (const char *, const char *);
89 static void print_symbol_filename_bsd (bfd *, bfd *);
90 static void print_symbol_filename_sysv (bfd *, bfd *);
91 static void print_symbol_filename_posix (bfd *, bfd *);
92 static void print_value (bfd *, bfd_vma);
93 static void print_symbol_info_bsd (struct extended_symbol_info *, bfd *);
94 static void print_symbol_info_sysv (struct extended_symbol_info *, bfd *);
95 static void print_symbol_info_posix (struct extended_symbol_info *, bfd *);
96
97 /* Support for different output formats. */
98 struct output_fns
99 {
100 /* Print the name of an object file given on the command line. */
101 void (*print_object_filename) (const char *);
102
103 /* Print the name of an archive file given on the command line. */
104 void (*print_archive_filename) (const char *);
105
106 /* Print the name of an archive member file. */
107 void (*print_archive_member) (const char *, const char *);
108
109 /* Print the name of the file (and archive, if there is one)
110 containing a symbol. */
111 void (*print_symbol_filename) (bfd *, bfd *);
112
113 /* Print a line of information about a symbol. */
114 void (*print_symbol_info) (struct extended_symbol_info *, bfd *);
115 };
116
117 static struct output_fns formats[] =
118 {
119 {print_object_filename_bsd,
120 print_archive_filename_bsd,
121 print_archive_member_bsd,
122 print_symbol_filename_bsd,
123 print_symbol_info_bsd},
124 {print_object_filename_sysv,
125 print_archive_filename_sysv,
126 print_archive_member_sysv,
127 print_symbol_filename_sysv,
128 print_symbol_info_sysv},
129 {print_object_filename_posix,
130 print_archive_filename_posix,
131 print_archive_member_posix,
132 print_symbol_filename_posix,
133 print_symbol_info_posix}
134 };
135
136 /* Indices in `formats'. */
137 #define FORMAT_BSD 0
138 #define FORMAT_SYSV 1
139 #define FORMAT_POSIX 2
140 #define FORMAT_DEFAULT FORMAT_BSD
141
142 /* The output format to use. */
143 static struct output_fns *format = &formats[FORMAT_DEFAULT];
144 static unsigned int print_format = FORMAT_DEFAULT;
145 static const char *print_format_string = NULL;
146
147 /* Command options. */
148
149 static int do_demangle = 0; /* Pretty print C++ symbol names. */
150 static int external_only = 0; /* Print external symbols only. */
151 static int defined_only = 0; /* Print defined symbols only. */
152 static int no_sort = 0; /* Don't sort; print syms in order found. */
153 static int print_debug_syms = 0;/* Print debugger-only symbols too. */
154 static int print_armap = 0; /* Describe __.SYMDEF data in archive files. */
155 static int print_size = 0; /* Print size of defined symbols. */
156 static int reverse_sort = 0; /* Sort in downward(alpha or numeric) order. */
157 static int sort_numerically = 0;/* Sort in numeric rather than alpha order. */
158 static int sort_by_size = 0; /* Sort by size of symbol. */
159 static int undefined_only = 0; /* Print undefined symbols only. */
160 static int dynamic = 0; /* Print dynamic symbols. */
161 static int show_version = 0; /* Show the version number. */
162 static int show_synthetic = 0; /* Display synthesized symbols too. */
163 static int line_numbers = 0; /* Print line numbers for symbols. */
164 static int allow_special_symbols = 0; /* Allow special symbols. */
165 static int with_symbol_versions = 0; /* Include symbol version information in the output. */
166
167 static int demangle_flags = DMGL_ANSI | DMGL_PARAMS;
168
169 /* When to print the names of files. Not mutually exclusive in SYSV format. */
170 static int filename_per_file = 0; /* Once per file, on its own line. */
171 static int filename_per_symbol = 0; /* Once per symbol, at start of line. */
172
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 #if BFD_SUPPORTS_PLUGINS
181 static const char *plugin_target = "plugin";
182 #else
183 static const char *plugin_target = NULL;
184 #endif
185
186 /* Used to cache the line numbers for a BFD. */
187 static bfd *lineno_cache_bfd;
188 static bfd *lineno_cache_rel_bfd;
189
190 enum long_option_values
191 {
192 OPTION_TARGET = 200,
193 OPTION_PLUGIN,
194 OPTION_SIZE_SORT,
195 OPTION_RECURSE_LIMIT,
196 OPTION_NO_RECURSE_LIMIT
197 };
198
199 static struct option long_options[] =
200 {
201 {"debug-syms", no_argument, &print_debug_syms, 1},
202 {"demangle", optional_argument, 0, 'C'},
203 {"dynamic", no_argument, &dynamic, 1},
204 {"extern-only", no_argument, &external_only, 1},
205 {"format", required_argument, 0, 'f'},
206 {"help", no_argument, 0, 'h'},
207 {"line-numbers", no_argument, 0, 'l'},
208 {"no-cplus", no_argument, &do_demangle, 0}, /* Linux compatibility. */
209 {"no-demangle", no_argument, &do_demangle, 0},
210 {"no-recurse-limit", no_argument, NULL, OPTION_NO_RECURSE_LIMIT},
211 {"no-recursion-limit", no_argument, NULL, OPTION_NO_RECURSE_LIMIT},
212 {"no-sort", no_argument, 0, 'p'},
213 {"numeric-sort", no_argument, 0, 'n'},
214 {"plugin", required_argument, 0, OPTION_PLUGIN},
215 {"portability", no_argument, 0, 'P'},
216 {"print-armap", no_argument, &print_armap, 1},
217 {"print-file-name", no_argument, 0, 'o'},
218 {"print-size", no_argument, 0, 'S'},
219 {"radix", required_argument, 0, 't'},
220 {"recurse-limit", no_argument, NULL, OPTION_RECURSE_LIMIT},
221 {"recursion-limit", no_argument, NULL, OPTION_RECURSE_LIMIT},
222 {"reverse-sort", no_argument, &reverse_sort, 1},
223 {"size-sort", no_argument, 0, OPTION_SIZE_SORT},
224 {"special-syms", no_argument, &allow_special_symbols, 1},
225 {"synthetic", no_argument, &show_synthetic, 1},
226 {"target", required_argument, 0, OPTION_TARGET},
227 {"defined-only", no_argument, &defined_only, 1},
228 {"undefined-only", no_argument, &undefined_only, 1},
229 {"version", no_argument, &show_version, 1},
230 {"with-symbol-versions", no_argument, &with_symbol_versions, 1},
231 {0, no_argument, 0, 0}
232 };
233 \f
234 /* Some error-reporting functions. */
235
236 ATTRIBUTE_NORETURN static void
237 usage (FILE *stream, int status)
238 {
239 fprintf (stream, _("Usage: %s [option(s)] [file(s)]\n"), program_name);
240 fprintf (stream, _(" List symbols in [file(s)] (a.out by default).\n"));
241 fprintf (stream, _(" The options are:\n\
242 -a, --debug-syms Display debugger-only symbols\n\
243 -A, --print-file-name Print name of the input file before every symbol\n\
244 -B Same as --format=bsd\n\
245 -C, --demangle[=STYLE] Decode low-level symbol names into user-level names\n\
246 The STYLE, if specified, can be `auto' (the default),\n\
247 `gnu', `lucid', `arm', `hp', `edg', `gnu-v3', `java'\n\
248 or `gnat'\n\
249 --no-demangle Do not demangle low-level symbol names\n\
250 --recurse-limit Enable a demangling recursion limit. This is the default.\n\
251 --no-recurse-limit Disable a demangling recursion limit.\n\
252 -D, --dynamic Display dynamic symbols instead of normal symbols\n\
253 --defined-only Display only defined symbols\n\
254 -e (ignored)\n\
255 -f, --format=FORMAT Use the output format FORMAT. FORMAT can be `bsd',\n\
256 `sysv' or `posix'. The default is `bsd'\n\
257 -g, --extern-only Display only external symbols\n\
258 -l, --line-numbers Use debugging information to find a filename and\n\
259 line number for each symbol\n\
260 -n, --numeric-sort Sort symbols numerically by address\n\
261 -o Same as -A\n\
262 -p, --no-sort Do not sort the symbols\n\
263 -P, --portability Same as --format=posix\n\
264 -r, --reverse-sort Reverse the sense of the sort\n"));
265 #if BFD_SUPPORTS_PLUGINS
266 fprintf (stream, _("\
267 --plugin NAME Load the specified plugin\n"));
268 #endif
269 fprintf (stream, _("\
270 -S, --print-size Print size of defined symbols\n\
271 -s, --print-armap Include index for symbols from archive members\n\
272 --size-sort Sort symbols by size\n\
273 --special-syms Include special symbols in the output\n\
274 --synthetic Display synthetic symbols as well\n\
275 -t, --radix=RADIX Use RADIX for printing symbol values\n\
276 --target=BFDNAME Specify the target object format as BFDNAME\n\
277 -u, --undefined-only Display only undefined symbols\n\
278 --with-symbol-versions Display version strings after symbol names\n\
279 -X 32_64 (ignored)\n\
280 @FILE Read options from FILE\n\
281 -h, --help Display this information\n\
282 -V, --version Display this program's version number\n\
283 \n"));
284 list_supported_targets (program_name, stream);
285 if (REPORT_BUGS_TO[0] && status == 0)
286 fprintf (stream, _("Report bugs to %s.\n"), REPORT_BUGS_TO);
287 exit (status);
288 }
289
290 /* Set the radix for the symbol value and size according to RADIX. */
291
292 static void
293 set_print_radix (char *radix)
294 {
295 switch (*radix)
296 {
297 case 'x': print_radix = 16; break;
298 case 'd': print_radix = 10; break;
299 case 'o': print_radix = 8; break;
300
301 default:
302 fatal (_("%s: invalid radix"), radix);
303 }
304
305 other_format[3] = desc_format[3] = *radix;
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 print_format = i;
332 }
333 \f
334 static const char *
335 get_elf_symbol_type (unsigned int type)
336 {
337 static char *bufp;
338 int n;
339
340 switch (type)
341 {
342 case STT_NOTYPE: return "NOTYPE";
343 case STT_OBJECT: return "OBJECT";
344 case STT_FUNC: return "FUNC";
345 case STT_SECTION: return "SECTION";
346 case STT_FILE: return "FILE";
347 case STT_COMMON: return "COMMON";
348 case STT_TLS: return "TLS";
349 }
350
351 free (bufp);
352 if (type >= STT_LOPROC && type <= STT_HIPROC)
353 n = asprintf (&bufp, _("<processor specific>: %d"), type);
354 else if (type >= STT_LOOS && type <= STT_HIOS)
355 n = asprintf (&bufp, _("<OS specific>: %d"), type);
356 else
357 n = asprintf (&bufp, _("<unknown>: %d"), type);
358 if (n < 0)
359 fatal ("%s", xstrerror (errno));
360 return bufp;
361 }
362
363 static const char *
364 get_coff_symbol_type (const struct internal_syment *sym)
365 {
366 static char *bufp;
367 int n;
368
369 switch (sym->n_sclass)
370 {
371 case C_BLOCK: return "Block";
372 case C_FILE: return "File";
373 case C_LINE: return "Line";
374 }
375
376 if (!sym->n_type)
377 return "None";
378
379 switch (DTYPE(sym->n_type))
380 {
381 case DT_FCN: return "Function";
382 case DT_PTR: return "Pointer";
383 case DT_ARY: return "Array";
384 }
385
386 free (bufp);
387 n = asprintf (&bufp, _("<unknown>: %d/%d"), sym->n_sclass, sym->n_type);
388 if (n < 0)
389 fatal ("%s", xstrerror (errno));
390 return bufp;
391 }
392 \f
393 /* Print symbol name NAME, read from ABFD, with printf format FORM,
394 demangling it if requested. */
395
396 static void
397 print_symname (const char *form, const char *name, bfd *abfd)
398 {
399 if (do_demangle && *name)
400 {
401 char *res = bfd_demangle (abfd, name, demangle_flags);
402
403 if (res != NULL)
404 {
405 printf (form, res);
406 free (res);
407 return;
408 }
409 }
410
411 printf (form, name);
412 }
413
414 static void
415 print_symdef_entry (bfd *abfd)
416 {
417 symindex idx = BFD_NO_MORE_SYMBOLS;
418 carsym *thesym;
419 bfd_boolean everprinted = FALSE;
420
421 for (idx = bfd_get_next_mapent (abfd, idx, &thesym);
422 idx != BFD_NO_MORE_SYMBOLS;
423 idx = bfd_get_next_mapent (abfd, idx, &thesym))
424 {
425 bfd *elt;
426 if (!everprinted)
427 {
428 printf (_("\nArchive index:\n"));
429 everprinted = TRUE;
430 }
431 elt = bfd_get_elt_at_index (abfd, idx);
432 if (elt == NULL)
433 bfd_fatal ("bfd_get_elt_at_index");
434 if (thesym->name != (char *) NULL)
435 {
436 print_symname ("%s", thesym->name, abfd);
437 printf (" in %s\n", bfd_get_filename (elt));
438 }
439 }
440 }
441 \f
442
443 /* True when we can report missing plugin error. */
444 bfd_boolean report_plugin_err = TRUE;
445
446 /* Choose which symbol entries to print;
447 compact them downward to get rid of the rest.
448 Return the number of symbols to be printed. */
449
450 static long
451 filter_symbols (bfd *abfd, bfd_boolean is_dynamic, void *minisyms,
452 long symcount, unsigned int size)
453 {
454 bfd_byte *from, *fromend, *to;
455 asymbol *store;
456
457 store = bfd_make_empty_symbol (abfd);
458 if (store == NULL)
459 bfd_fatal (bfd_get_filename (abfd));
460
461 from = (bfd_byte *) minisyms;
462 fromend = from + symcount * size;
463 to = (bfd_byte *) minisyms;
464
465 for (; from < fromend; from += size)
466 {
467 int keep = 0;
468 asymbol *sym;
469
470 PROGRESS (1);
471
472 sym = bfd_minisymbol_to_symbol (abfd, is_dynamic, (const void *) from, store);
473 if (sym == NULL)
474 bfd_fatal (bfd_get_filename (abfd));
475
476 if (sym->name[0] == '_'
477 && sym->name[1] == '_'
478 && strcmp (sym->name + (sym->name[2] == '_'), "__gnu_lto_slim") == 0
479 && report_plugin_err)
480 {
481 report_plugin_err = FALSE;
482 non_fatal (_("%s: plugin needed to handle lto object"),
483 bfd_get_filename (abfd));
484 }
485
486 if (undefined_only)
487 keep = bfd_is_und_section (sym->section);
488 else if (external_only)
489 /* PR binutls/12753: Unique symbols are global too. */
490 keep = ((sym->flags & (BSF_GLOBAL
491 | BSF_WEAK
492 | BSF_GNU_UNIQUE)) != 0
493 || bfd_is_und_section (sym->section)
494 || bfd_is_com_section (sym->section));
495 else
496 keep = 1;
497
498 if (keep
499 && ! print_debug_syms
500 && (sym->flags & BSF_DEBUGGING) != 0)
501 keep = 0;
502
503 if (keep
504 && sort_by_size
505 && (bfd_is_abs_section (sym->section)
506 || bfd_is_und_section (sym->section)))
507 keep = 0;
508
509 if (keep
510 && defined_only)
511 {
512 if (bfd_is_und_section (sym->section))
513 keep = 0;
514 }
515
516 if (keep
517 && bfd_is_target_special_symbol (abfd, sym)
518 && ! allow_special_symbols)
519 keep = 0;
520
521 if (keep)
522 {
523 if (to != from)
524 memcpy (to, from, size);
525 to += size;
526 }
527 }
528
529 return (to - (bfd_byte *) minisyms) / size;
530 }
531 \f
532 /* These globals are used to pass information into the sorting
533 routines. */
534 static bfd *sort_bfd;
535 static bfd_boolean sort_dynamic;
536 static asymbol *sort_x;
537 static asymbol *sort_y;
538
539 /* Symbol-sorting predicates */
540 #define valueof(x) ((x)->section->vma + (x)->value)
541
542 /* Numeric sorts. Undefined symbols are always considered "less than"
543 defined symbols with zero values. Common symbols are not treated
544 specially -- i.e., their sizes are used as their "values". */
545
546 static int
547 non_numeric_forward (const void *P_x, const void *P_y)
548 {
549 asymbol *x, *y;
550 const char *xn, *yn;
551
552 x = bfd_minisymbol_to_symbol (sort_bfd, sort_dynamic, P_x, sort_x);
553 y = bfd_minisymbol_to_symbol (sort_bfd, sort_dynamic, P_y, sort_y);
554 if (x == NULL || y == NULL)
555 bfd_fatal (bfd_get_filename (sort_bfd));
556
557 xn = bfd_asymbol_name (x);
558 yn = bfd_asymbol_name (y);
559
560 if (yn == NULL)
561 return xn != NULL;
562 if (xn == NULL)
563 return -1;
564
565 #ifdef HAVE_STRCOLL
566 /* Solaris 2.5 has a bug in strcoll.
567 strcoll returns invalid values when confronted with empty strings. */
568 if (*yn == '\0')
569 return *xn != '\0';
570 if (*xn == '\0')
571 return -1;
572
573 return strcoll (xn, yn);
574 #else
575 return strcmp (xn, yn);
576 #endif
577 }
578
579 static int
580 non_numeric_reverse (const void *x, const void *y)
581 {
582 return - non_numeric_forward (x, y);
583 }
584
585 static int
586 numeric_forward (const void *P_x, const void *P_y)
587 {
588 asymbol *x, *y;
589 asection *xs, *ys;
590
591 x = bfd_minisymbol_to_symbol (sort_bfd, sort_dynamic, P_x, sort_x);
592 y = bfd_minisymbol_to_symbol (sort_bfd, sort_dynamic, P_y, sort_y);
593 if (x == NULL || y == NULL)
594 bfd_fatal (bfd_get_filename (sort_bfd));
595
596 xs = bfd_asymbol_section (x);
597 ys = bfd_asymbol_section (y);
598
599 if (bfd_is_und_section (xs))
600 {
601 if (! bfd_is_und_section (ys))
602 return -1;
603 }
604 else if (bfd_is_und_section (ys))
605 return 1;
606 else if (valueof (x) != valueof (y))
607 return valueof (x) < valueof (y) ? -1 : 1;
608
609 return non_numeric_forward (P_x, P_y);
610 }
611
612 static int
613 numeric_reverse (const void *x, const void *y)
614 {
615 return - numeric_forward (x, y);
616 }
617
618 static int (*(sorters[2][2])) (const void *, const void *) =
619 {
620 { non_numeric_forward, non_numeric_reverse },
621 { numeric_forward, numeric_reverse }
622 };
623
624 /* This sort routine is used by sort_symbols_by_size. It is similar
625 to numeric_forward, but when symbols have the same value it sorts
626 by section VMA. This simplifies the sort_symbols_by_size code
627 which handles symbols at the end of sections. Also, this routine
628 tries to sort file names before other symbols with the same value.
629 That will make the file name have a zero size, which will make
630 sort_symbols_by_size choose the non file name symbol, leading to
631 more meaningful output. For similar reasons, this code sorts
632 gnu_compiled_* and gcc2_compiled before other symbols with the same
633 value. */
634
635 static int
636 size_forward1 (const void *P_x, const void *P_y)
637 {
638 asymbol *x, *y;
639 asection *xs, *ys;
640 const char *xn, *yn;
641 size_t xnl, ynl;
642 int xf, yf;
643
644 x = bfd_minisymbol_to_symbol (sort_bfd, sort_dynamic, P_x, sort_x);
645 y = bfd_minisymbol_to_symbol (sort_bfd, sort_dynamic, P_y, sort_y);
646 if (x == NULL || y == NULL)
647 bfd_fatal (bfd_get_filename (sort_bfd));
648
649 xs = bfd_asymbol_section (x);
650 ys = bfd_asymbol_section (y);
651
652 if (bfd_is_und_section (xs))
653 abort ();
654 if (bfd_is_und_section (ys))
655 abort ();
656
657 if (valueof (x) != valueof (y))
658 return valueof (x) < valueof (y) ? -1 : 1;
659
660 if (xs->vma != ys->vma)
661 return xs->vma < ys->vma ? -1 : 1;
662
663 xn = bfd_asymbol_name (x);
664 yn = bfd_asymbol_name (y);
665 xnl = strlen (xn);
666 ynl = strlen (yn);
667
668 /* The symbols gnu_compiled and gcc2_compiled convey even less
669 information than the file name, so sort them out first. */
670
671 xf = (strstr (xn, "gnu_compiled") != NULL
672 || strstr (xn, "gcc2_compiled") != NULL);
673 yf = (strstr (yn, "gnu_compiled") != NULL
674 || strstr (yn, "gcc2_compiled") != NULL);
675
676 if (xf && ! yf)
677 return -1;
678 if (! xf && yf)
679 return 1;
680
681 /* We use a heuristic for the file name. It may not work on non
682 Unix systems, but it doesn't really matter; the only difference
683 is precisely which symbol names get printed. */
684
685 #define file_symbol(s, sn, snl) \
686 (((s)->flags & BSF_FILE) != 0 \
687 || ((snl) > 2 \
688 && (sn)[(snl) - 2] == '.' \
689 && ((sn)[(snl) - 1] == 'o' \
690 || (sn)[(snl) - 1] == 'a')))
691
692 xf = file_symbol (x, xn, xnl);
693 yf = file_symbol (y, yn, ynl);
694
695 if (xf && ! yf)
696 return -1;
697 if (! xf && yf)
698 return 1;
699
700 return non_numeric_forward (P_x, P_y);
701 }
702
703 /* This sort routine is used by sort_symbols_by_size. It is sorting
704 an array of size_sym structures into size order. */
705
706 static int
707 size_forward2 (const void *P_x, const void *P_y)
708 {
709 const struct size_sym *x = (const struct size_sym *) P_x;
710 const struct size_sym *y = (const struct size_sym *) P_y;
711
712 if (x->size < y->size)
713 return reverse_sort ? 1 : -1;
714 else if (x->size > y->size)
715 return reverse_sort ? -1 : 1;
716 else
717 return sorters[0][reverse_sort] (x->minisym, y->minisym);
718 }
719
720 /* Sort the symbols by size. ELF provides a size but for other formats
721 we have to make a guess by assuming that the difference between the
722 address of a symbol and the address of the next higher symbol is the
723 size. */
724
725 static long
726 sort_symbols_by_size (bfd *abfd, bfd_boolean is_dynamic, void *minisyms,
727 long symcount, unsigned int size,
728 struct size_sym **symsizesp)
729 {
730 struct size_sym *symsizes;
731 bfd_byte *from, *fromend;
732 asymbol *sym = NULL;
733 asymbol *store_sym, *store_next;
734
735 qsort (minisyms, symcount, size, size_forward1);
736
737 /* We are going to return a special set of symbols and sizes to
738 print. */
739 symsizes = (struct size_sym *) xmalloc (symcount * sizeof (struct size_sym));
740 *symsizesp = symsizes;
741
742 /* Note that filter_symbols has already removed all absolute and
743 undefined symbols. Here we remove all symbols whose size winds
744 up as zero. */
745 from = (bfd_byte *) minisyms;
746 fromend = from + symcount * size;
747
748 store_sym = sort_x;
749 store_next = sort_y;
750
751 if (from < fromend)
752 {
753 sym = bfd_minisymbol_to_symbol (abfd, is_dynamic, (const void *) from,
754 store_sym);
755 if (sym == NULL)
756 bfd_fatal (bfd_get_filename (abfd));
757 }
758
759 for (; from < fromend; from += size)
760 {
761 asymbol *next;
762 asection *sec;
763 bfd_vma sz;
764 asymbol *temp;
765
766 if (from + size < fromend)
767 {
768 next = bfd_minisymbol_to_symbol (abfd,
769 is_dynamic,
770 (const void *) (from + size),
771 store_next);
772 if (next == NULL)
773 bfd_fatal (bfd_get_filename (abfd));
774 }
775 else
776 next = NULL;
777
778 sec = bfd_asymbol_section (sym);
779
780 /* Synthetic symbols don't have a full type set of data available, thus
781 we can't rely on that information for the symbol size. Ditto for
782 bfd/section.c:global_syms like *ABS*. */
783 if ((sym->flags & (BSF_SECTION_SYM | BSF_SYNTHETIC)) == 0
784 && bfd_get_flavour (abfd) == bfd_target_elf_flavour)
785 sz = ((elf_symbol_type *) sym)->internal_elf_sym.st_size;
786 else if ((sym->flags & (BSF_SECTION_SYM | BSF_SYNTHETIC)) == 0
787 && bfd_is_com_section (sec))
788 sz = sym->value;
789 else
790 {
791 if (from + size < fromend
792 && sec == bfd_asymbol_section (next))
793 sz = valueof (next) - valueof (sym);
794 else
795 sz = (bfd_section_vma (sec)
796 + bfd_section_size (sec)
797 - valueof (sym));
798 }
799
800 if (sz != 0)
801 {
802 symsizes->minisym = (const void *) from;
803 symsizes->size = sz;
804 ++symsizes;
805 }
806
807 sym = next;
808
809 temp = store_sym;
810 store_sym = store_next;
811 store_next = temp;
812 }
813
814 symcount = symsizes - *symsizesp;
815
816 /* We must now sort again by size. */
817 qsort ((void *) *symsizesp, symcount, sizeof (struct size_sym), size_forward2);
818
819 return symcount;
820 }
821
822 /* This function is used to get the relocs for a particular section.
823 It is called via bfd_map_over_sections. */
824
825 static void
826 get_relocs (bfd *abfd, asection *sec, void *dataarg)
827 {
828 struct get_relocs_info *data = (struct get_relocs_info *) dataarg;
829
830 *data->secs = sec;
831
832 if ((sec->flags & SEC_RELOC) == 0)
833 {
834 *data->relocs = NULL;
835 *data->relcount = 0;
836 }
837 else
838 {
839 long relsize;
840
841 relsize = bfd_get_reloc_upper_bound (abfd, sec);
842 if (relsize < 0)
843 bfd_fatal (bfd_get_filename (abfd));
844
845 *data->relocs = (arelent **) xmalloc (relsize);
846 *data->relcount = bfd_canonicalize_reloc (abfd, sec, *data->relocs,
847 data->syms);
848 if (*data->relcount < 0)
849 bfd_fatal (bfd_get_filename (abfd));
850 }
851
852 ++data->secs;
853 ++data->relocs;
854 ++data->relcount;
855 }
856
857 /* Print a single symbol. */
858
859 static void
860 print_symbol (bfd * abfd,
861 asymbol * sym,
862 bfd_vma ssize,
863 bfd * archive_bfd)
864 {
865 symbol_info syminfo;
866 struct extended_symbol_info info;
867
868 PROGRESS (1);
869
870 format->print_symbol_filename (archive_bfd, abfd);
871
872 bfd_get_symbol_info (abfd, sym, &syminfo);
873
874 info.sinfo = &syminfo;
875 info.ssize = ssize;
876 /* Synthetic symbols do not have a full symbol type set of data available.
877 Nor do bfd/section.c:global_syms like *ABS*. */
878 if ((sym->flags & (BSF_SECTION_SYM | BSF_SYNTHETIC)) != 0)
879 {
880 info.elfinfo = NULL;
881 info.coffinfo = NULL;
882 }
883 else
884 {
885 info.elfinfo = elf_symbol_from (abfd, sym);
886 info.coffinfo = coff_symbol_from (sym);
887 }
888
889 format->print_symbol_info (&info, abfd);
890
891 if (with_symbol_versions)
892 {
893 const char * version_string = NULL;
894 bfd_boolean hidden = FALSE;
895
896 if ((sym->flags & (BSF_SECTION_SYM | BSF_SYNTHETIC)) == 0)
897 version_string = bfd_get_symbol_version_string (abfd, sym, &hidden);
898
899 if (bfd_is_und_section (bfd_asymbol_section (sym)))
900 hidden = TRUE;
901
902 if (version_string && *version_string != '\0')
903 printf (hidden ? "@%s" : "@@%s", version_string);
904 }
905
906 if (line_numbers)
907 {
908 static asymbol **syms;
909 static long symcount;
910 const char *filename, *functionname;
911 unsigned int lineno;
912
913 /* We need to get the canonical symbols in order to call
914 bfd_find_nearest_line. This is inefficient, but, then, you
915 don't have to use --line-numbers. */
916 if (abfd != lineno_cache_bfd && syms != NULL)
917 {
918 free (syms);
919 syms = NULL;
920 }
921 if (syms == NULL)
922 {
923 long symsize;
924
925 symsize = bfd_get_symtab_upper_bound (abfd);
926 if (symsize < 0)
927 bfd_fatal (bfd_get_filename (abfd));
928 syms = (asymbol **) xmalloc (symsize);
929 symcount = bfd_canonicalize_symtab (abfd, syms);
930 if (symcount < 0)
931 bfd_fatal (bfd_get_filename (abfd));
932 lineno_cache_bfd = abfd;
933 }
934
935 if (bfd_is_und_section (bfd_asymbol_section (sym)))
936 {
937 static asection **secs;
938 static arelent ***relocs;
939 static long *relcount;
940 static unsigned int seccount;
941 unsigned int i;
942 const char *symname;
943
944 /* For an undefined symbol, we try to find a reloc for the
945 symbol, and print the line number of the reloc. */
946 if (abfd != lineno_cache_rel_bfd && relocs != NULL)
947 {
948 for (i = 0; i < seccount; i++)
949 if (relocs[i] != NULL)
950 free (relocs[i]);
951 free (secs);
952 free (relocs);
953 free (relcount);
954 secs = NULL;
955 relocs = NULL;
956 relcount = NULL;
957 }
958
959 if (relocs == NULL)
960 {
961 struct get_relocs_info rinfo;
962
963 seccount = bfd_count_sections (abfd);
964
965 secs = (asection **) xmalloc (seccount * sizeof *secs);
966 relocs = (arelent ***) xmalloc (seccount * sizeof *relocs);
967 relcount = (long *) xmalloc (seccount * sizeof *relcount);
968
969 rinfo.secs = secs;
970 rinfo.relocs = relocs;
971 rinfo.relcount = relcount;
972 rinfo.syms = syms;
973 bfd_map_over_sections (abfd, get_relocs, (void *) &rinfo);
974 lineno_cache_rel_bfd = abfd;
975 }
976
977 symname = bfd_asymbol_name (sym);
978 for (i = 0; i < seccount; i++)
979 {
980 long j;
981
982 for (j = 0; j < relcount[i]; j++)
983 {
984 arelent *r;
985
986 r = relocs[i][j];
987 if (r->sym_ptr_ptr != NULL
988 && (*r->sym_ptr_ptr)->section == sym->section
989 && (*r->sym_ptr_ptr)->value == sym->value
990 && strcmp (symname,
991 bfd_asymbol_name (*r->sym_ptr_ptr)) == 0
992 && bfd_find_nearest_line (abfd, secs[i], syms,
993 r->address, &filename,
994 &functionname, &lineno)
995 && filename != NULL)
996 {
997 /* We only print the first one we find. */
998 printf ("\t%s:%u", filename, lineno);
999 i = seccount;
1000 break;
1001 }
1002 }
1003 }
1004 }
1005 else if (bfd_asymbol_section (sym)->owner == abfd)
1006 {
1007 if ((bfd_find_line (abfd, syms, sym, &filename, &lineno)
1008 || bfd_find_nearest_line (abfd, bfd_asymbol_section (sym),
1009 syms, sym->value, &filename,
1010 &functionname, &lineno))
1011 && filename != NULL
1012 && lineno != 0)
1013 printf ("\t%s:%u", filename, lineno);
1014 }
1015 }
1016
1017 putchar ('\n');
1018 }
1019 \f
1020 /* Print the symbols when sorting by size. */
1021
1022 static void
1023 print_size_symbols (bfd * abfd,
1024 bfd_boolean is_dynamic,
1025 struct size_sym * symsizes,
1026 long symcount,
1027 bfd * archive_bfd)
1028 {
1029 asymbol *store;
1030 struct size_sym *from;
1031 struct size_sym *fromend;
1032
1033 store = bfd_make_empty_symbol (abfd);
1034 if (store == NULL)
1035 bfd_fatal (bfd_get_filename (abfd));
1036
1037 from = symsizes;
1038 fromend = from + symcount;
1039
1040 for (; from < fromend; from++)
1041 {
1042 asymbol *sym;
1043
1044 sym = bfd_minisymbol_to_symbol (abfd, is_dynamic, from->minisym, store);
1045 if (sym == NULL)
1046 bfd_fatal (bfd_get_filename (abfd));
1047
1048 print_symbol (abfd, sym, from->size, archive_bfd);
1049 }
1050 }
1051
1052 \f
1053 /* Print the symbols of ABFD that are held in MINISYMS.
1054
1055 If ARCHIVE_BFD is non-NULL, it is the archive containing ABFD.
1056
1057 SYMCOUNT is the number of symbols in MINISYMS.
1058
1059 SIZE is the size of a symbol in MINISYMS. */
1060
1061 static void
1062 print_symbols (bfd * abfd,
1063 bfd_boolean is_dynamic,
1064 void * minisyms,
1065 long symcount,
1066 unsigned int size,
1067 bfd * archive_bfd)
1068 {
1069 asymbol *store;
1070 bfd_byte *from;
1071 bfd_byte *fromend;
1072
1073 store = bfd_make_empty_symbol (abfd);
1074 if (store == NULL)
1075 bfd_fatal (bfd_get_filename (abfd));
1076
1077 from = (bfd_byte *) minisyms;
1078 fromend = from + symcount * size;
1079
1080 for (; from < fromend; from += size)
1081 {
1082 asymbol *sym;
1083
1084 sym = bfd_minisymbol_to_symbol (abfd, is_dynamic, from, store);
1085 if (sym == NULL)
1086 bfd_fatal (bfd_get_filename (abfd));
1087
1088 print_symbol (abfd, sym, (bfd_vma) 0, archive_bfd);
1089 }
1090 }
1091
1092 /* If ARCHIVE_BFD is non-NULL, it is the archive containing ABFD. */
1093
1094 static void
1095 display_rel_file (bfd *abfd, bfd *archive_bfd)
1096 {
1097 long symcount;
1098 void *minisyms;
1099 unsigned int size;
1100 struct size_sym *symsizes;
1101 asymbol *synthsyms = NULL;
1102
1103 if (! dynamic)
1104 {
1105 if (!(bfd_get_file_flags (abfd) & HAS_SYMS))
1106 {
1107 non_fatal (_("%s: no symbols"), bfd_get_filename (abfd));
1108 return;
1109 }
1110 }
1111
1112 symcount = bfd_read_minisymbols (abfd, dynamic, &minisyms, &size);
1113 if (symcount < 0)
1114 {
1115 if (dynamic && bfd_get_error () == bfd_error_no_symbols)
1116 {
1117 non_fatal (_("%s: no symbols"), bfd_get_filename (abfd));
1118 return;
1119 }
1120
1121 bfd_fatal (bfd_get_filename (abfd));
1122 }
1123
1124 if (symcount == 0)
1125 {
1126 non_fatal (_("%s: no symbols"), bfd_get_filename (abfd));
1127 return;
1128 }
1129
1130 if (show_synthetic && size == sizeof (asymbol *))
1131 {
1132 asymbol **static_syms = NULL;
1133 asymbol **dyn_syms = NULL;
1134 long static_count = 0;
1135 long dyn_count = 0;
1136 long synth_count;
1137
1138 if (dynamic)
1139 {
1140 dyn_count = symcount;
1141 dyn_syms = (asymbol **) minisyms;
1142 }
1143 else
1144 {
1145 long storage = bfd_get_dynamic_symtab_upper_bound (abfd);
1146
1147 static_count = symcount;
1148 static_syms = (asymbol **) minisyms;
1149
1150 if (storage > 0)
1151 {
1152 dyn_syms = (asymbol **) xmalloc (storage);
1153 dyn_count = bfd_canonicalize_dynamic_symtab (abfd, dyn_syms);
1154 if (dyn_count < 0)
1155 bfd_fatal (bfd_get_filename (abfd));
1156 }
1157 }
1158
1159 synth_count = bfd_get_synthetic_symtab (abfd, static_count, static_syms,
1160 dyn_count, dyn_syms, &synthsyms);
1161 if (synth_count > 0)
1162 {
1163 asymbol **symp;
1164 long i;
1165
1166 minisyms = xrealloc (minisyms,
1167 (symcount + synth_count + 1) * sizeof (*symp));
1168 symp = (asymbol **) minisyms + symcount;
1169 for (i = 0; i < synth_count; i++)
1170 *symp++ = synthsyms + i;
1171 *symp = 0;
1172 symcount += synth_count;
1173 }
1174 }
1175
1176 /* lto_slim_object is set to false when a bfd is loaded with a compiler
1177 LTO plugin. */
1178 if (abfd->lto_slim_object)
1179 {
1180 report_plugin_err = FALSE;
1181 non_fatal (_("%s: plugin needed to handle lto object"),
1182 bfd_get_filename (abfd));
1183 }
1184
1185 /* Discard the symbols we don't want to print.
1186 It's OK to do this in place; we'll free the storage anyway
1187 (after printing). */
1188
1189 symcount = filter_symbols (abfd, dynamic, minisyms, symcount, size);
1190
1191 symsizes = NULL;
1192 if (! no_sort)
1193 {
1194 sort_bfd = abfd;
1195 sort_dynamic = dynamic;
1196 sort_x = bfd_make_empty_symbol (abfd);
1197 sort_y = bfd_make_empty_symbol (abfd);
1198 if (sort_x == NULL || sort_y == NULL)
1199 bfd_fatal (bfd_get_filename (abfd));
1200
1201 if (! sort_by_size)
1202 qsort (minisyms, symcount, size,
1203 sorters[sort_numerically][reverse_sort]);
1204 else
1205 symcount = sort_symbols_by_size (abfd, dynamic, minisyms, symcount,
1206 size, &symsizes);
1207 }
1208
1209 if (! sort_by_size)
1210 print_symbols (abfd, dynamic, minisyms, symcount, size, archive_bfd);
1211 else
1212 print_size_symbols (abfd, dynamic, symsizes, symcount, archive_bfd);
1213
1214 if (synthsyms)
1215 free (synthsyms);
1216 free (minisyms);
1217 free (symsizes);
1218 }
1219
1220 /* Construct a formatting string for printing symbol values. */
1221
1222 static const char *
1223 get_print_format (void)
1224 {
1225 const char * padding;
1226 if (print_format == FORMAT_POSIX)
1227 {
1228 /* POSIX compatible output does not have any padding. */
1229 padding = "";
1230 }
1231 else if (print_width == 32)
1232 {
1233 padding ="08";
1234 }
1235 else /* print_width == 64 */
1236 {
1237 padding = "016";
1238 }
1239
1240 const char * length = "l";
1241 if (print_width == 64)
1242 {
1243 #if BFD_HOST_64BIT_LONG
1244 ;
1245 #elif BFD_HOST_64BIT_LONG_LONG
1246 #ifndef __MSVCRT__
1247 length = "ll";
1248 #else
1249 length = "I64";
1250 #endif
1251 #endif
1252 }
1253
1254 const char * radix = NULL;
1255 switch (print_radix)
1256 {
1257 case 8: radix = "o"; break;
1258 case 10: radix = "d"; break;
1259 case 16: radix = "x"; break;
1260 }
1261
1262 return concat ("%", padding, length, radix, NULL);
1263 }
1264
1265 static void
1266 set_print_width (bfd *file)
1267 {
1268 print_width = bfd_get_arch_size (file);
1269
1270 if (print_width == -1)
1271 {
1272 /* PR binutils/4292
1273 Guess the target's bitsize based on its name.
1274 We assume here than any 64-bit format will include
1275 "64" somewhere in its name. The only known exception
1276 is the MMO object file format. */
1277 if (strstr (bfd_get_target (file), "64") != NULL
1278 || strcmp (bfd_get_target (file), "mmo") == 0)
1279 print_width = 64;
1280 else
1281 print_width = 32;
1282 }
1283 free ((char *) print_format_string);
1284 print_format_string = get_print_format ();
1285 }
1286
1287 static void
1288 display_archive (bfd *file)
1289 {
1290 bfd *arfile = NULL;
1291 bfd *last_arfile = NULL;
1292 char **matching;
1293
1294 format->print_archive_filename (bfd_get_filename (file));
1295
1296 if (print_armap)
1297 print_symdef_entry (file);
1298
1299 for (;;)
1300 {
1301 PROGRESS (1);
1302
1303 arfile = bfd_openr_next_archived_file (file, arfile);
1304
1305 if (arfile == NULL)
1306 {
1307 if (bfd_get_error () != bfd_error_no_more_archived_files)
1308 bfd_fatal (bfd_get_filename (file));
1309 break;
1310 }
1311
1312 if (bfd_check_format_matches (arfile, bfd_object, &matching))
1313 {
1314 set_print_width (arfile);
1315 format->print_archive_member (bfd_get_filename (file),
1316 bfd_get_filename (arfile));
1317 display_rel_file (arfile, file);
1318 }
1319 else
1320 {
1321 bfd_nonfatal (bfd_get_filename (arfile));
1322 if (bfd_get_error () == bfd_error_file_ambiguously_recognized)
1323 {
1324 list_matching_formats (matching);
1325 free (matching);
1326 }
1327 }
1328
1329 if (last_arfile != NULL)
1330 {
1331 bfd_close (last_arfile);
1332 lineno_cache_bfd = NULL;
1333 lineno_cache_rel_bfd = NULL;
1334 if (arfile == last_arfile)
1335 return;
1336 }
1337 last_arfile = arfile;
1338 }
1339
1340 if (last_arfile != NULL)
1341 {
1342 bfd_close (last_arfile);
1343 lineno_cache_bfd = NULL;
1344 lineno_cache_rel_bfd = NULL;
1345 }
1346 }
1347
1348 static bfd_boolean
1349 display_file (char *filename)
1350 {
1351 bfd_boolean retval = TRUE;
1352 bfd *file;
1353 char **matching;
1354
1355 if (get_file_size (filename) < 1)
1356 return FALSE;
1357
1358 file = bfd_openr (filename, target ? target : plugin_target);
1359 if (file == NULL)
1360 {
1361 bfd_nonfatal (filename);
1362 return FALSE;
1363 }
1364
1365 /* If printing line numbers, decompress the debug sections. */
1366 if (line_numbers)
1367 file->flags |= BFD_DECOMPRESS;
1368
1369 if (bfd_check_format (file, bfd_archive))
1370 {
1371 display_archive (file);
1372 }
1373 else if (bfd_check_format_matches (file, bfd_object, &matching))
1374 {
1375 set_print_width (file);
1376 format->print_object_filename (filename);
1377 display_rel_file (file, NULL);
1378 }
1379 else
1380 {
1381 bfd_nonfatal (filename);
1382 if (bfd_get_error () == bfd_error_file_ambiguously_recognized)
1383 {
1384 list_matching_formats (matching);
1385 free (matching);
1386 }
1387 retval = FALSE;
1388 }
1389
1390 if (!bfd_close (file))
1391 bfd_fatal (filename);
1392
1393 lineno_cache_bfd = NULL;
1394 lineno_cache_rel_bfd = NULL;
1395
1396 return retval;
1397 }
1398 \f
1399 /* The following 3 groups of functions are called unconditionally,
1400 once at the start of processing each file of the appropriate type.
1401 They should check `filename_per_file' and `filename_per_symbol',
1402 as appropriate for their output format, to determine whether to
1403 print anything. */
1404 \f
1405 /* Print the name of an object file given on the command line. */
1406
1407 static void
1408 print_object_filename_bsd (const char *filename)
1409 {
1410 if (filename_per_file && !filename_per_symbol)
1411 printf ("\n%s:\n", filename);
1412 }
1413
1414 static void
1415 print_object_filename_sysv (const char *filename)
1416 {
1417 if (undefined_only)
1418 printf (_("\n\nUndefined symbols from %s:\n\n"), filename);
1419 else
1420 printf (_("\n\nSymbols from %s:\n\n"), filename);
1421 if (print_width == 32)
1422 printf (_("\
1423 Name Value Class Type Size Line Section\n\n"));
1424 else
1425 printf (_("\
1426 Name Value Class Type Size Line Section\n\n"));
1427 }
1428
1429 static void
1430 print_object_filename_posix (const char *filename)
1431 {
1432 if (filename_per_file && !filename_per_symbol)
1433 printf ("%s:\n", filename);
1434 }
1435 \f
1436 /* Print the name of an archive file given on the command line. */
1437
1438 static void
1439 print_archive_filename_bsd (const char *filename)
1440 {
1441 if (filename_per_file)
1442 printf ("\n%s:\n", filename);
1443 }
1444
1445 static void
1446 print_archive_filename_sysv (const char *filename ATTRIBUTE_UNUSED)
1447 {
1448 }
1449
1450 static void
1451 print_archive_filename_posix (const char *filename ATTRIBUTE_UNUSED)
1452 {
1453 }
1454 \f
1455 /* Print the name of an archive member file. */
1456
1457 static void
1458 print_archive_member_bsd (const char *archive ATTRIBUTE_UNUSED,
1459 const char *filename)
1460 {
1461 if (!filename_per_symbol)
1462 printf ("\n%s:\n", filename);
1463 }
1464
1465 static void
1466 print_archive_member_sysv (const char *archive, const char *filename)
1467 {
1468 if (undefined_only)
1469 printf (_("\n\nUndefined symbols from %s[%s]:\n\n"), archive, filename);
1470 else
1471 printf (_("\n\nSymbols from %s[%s]:\n\n"), archive, filename);
1472 if (print_width == 32)
1473 printf (_("\
1474 Name Value Class Type Size Line Section\n\n"));
1475 else
1476 printf (_("\
1477 Name Value Class Type Size Line Section\n\n"));
1478 }
1479
1480 static void
1481 print_archive_member_posix (const char *archive, const char *filename)
1482 {
1483 if (!filename_per_symbol)
1484 printf ("%s[%s]:\n", archive, filename);
1485 }
1486 \f
1487 /* Print the name of the file (and archive, if there is one)
1488 containing a symbol. */
1489
1490 static void
1491 print_symbol_filename_bsd (bfd *archive_bfd, bfd *abfd)
1492 {
1493 if (filename_per_symbol)
1494 {
1495 if (archive_bfd)
1496 printf ("%s:", bfd_get_filename (archive_bfd));
1497 printf ("%s:", bfd_get_filename (abfd));
1498 }
1499 }
1500
1501 static void
1502 print_symbol_filename_sysv (bfd *archive_bfd, bfd *abfd)
1503 {
1504 if (filename_per_symbol)
1505 {
1506 if (archive_bfd)
1507 printf ("%s:", bfd_get_filename (archive_bfd));
1508 printf ("%s:", bfd_get_filename (abfd));
1509 }
1510 }
1511
1512 static void
1513 print_symbol_filename_posix (bfd *archive_bfd, bfd *abfd)
1514 {
1515 if (filename_per_symbol)
1516 {
1517 if (archive_bfd)
1518 printf ("%s[%s]: ", bfd_get_filename (archive_bfd),
1519 bfd_get_filename (abfd));
1520 else
1521 printf ("%s: ", bfd_get_filename (abfd));
1522 }
1523 }
1524 \f
1525 /* Print a symbol value. */
1526
1527 static void
1528 print_value (bfd *abfd ATTRIBUTE_UNUSED, bfd_vma val)
1529 {
1530 switch (print_width)
1531 {
1532 case 32:
1533 printf (print_format_string, (unsigned long) val);
1534 break;
1535
1536 case 64:
1537 #if BFD_HOST_64BIT_LONG || BFD_HOST_64BIT_LONG_LONG
1538 printf (print_format_string, val);
1539 #else
1540 /* We have a 64 bit value to print, but the host is only 32 bit. */
1541 if (print_radix == 16)
1542 bfd_fprintf_vma (abfd, stdout, val);
1543 else
1544 {
1545 char buf[30];
1546 char *s;
1547
1548 s = buf + sizeof buf;
1549 *--s = '\0';
1550 while (val > 0)
1551 {
1552 *--s = (val % print_radix) + '0';
1553 val /= print_radix;
1554 }
1555 while ((buf + sizeof buf - 1) - s < 16)
1556 *--s = '0';
1557 printf ("%s", s);
1558 }
1559 #endif
1560 break;
1561
1562 default:
1563 fatal (_("Print width has not been initialized (%d)"), print_width);
1564 break;
1565 }
1566 }
1567
1568 /* Print a line of information about a symbol. */
1569
1570 static void
1571 print_symbol_info_bsd (struct extended_symbol_info *info, bfd *abfd)
1572 {
1573 if (bfd_is_undefined_symclass (SYM_TYPE (info)))
1574 {
1575 if (print_width == 64)
1576 printf (" ");
1577 printf (" ");
1578 }
1579 else
1580 {
1581 /* Normally we print the value of the symbol. If we are printing the
1582 size or sorting by size then we print its size, except for the
1583 (weird) special case where both flags are defined, in which case we
1584 print both values. This conforms to documented behaviour. */
1585 if (sort_by_size && !print_size)
1586 print_value (abfd, SYM_SIZE (info));
1587 else
1588 print_value (abfd, SYM_VALUE (info));
1589 if (print_size && SYM_SIZE (info))
1590 {
1591 printf (" ");
1592 print_value (abfd, SYM_SIZE (info));
1593 }
1594 }
1595
1596 printf (" %c", SYM_TYPE (info));
1597
1598 if (SYM_TYPE (info) == '-')
1599 {
1600 /* A stab. */
1601 printf (" ");
1602 printf (other_format, SYM_STAB_OTHER (info));
1603 printf (" ");
1604 printf (desc_format, SYM_STAB_DESC (info));
1605 printf (" %5s", SYM_STAB_NAME (info));
1606 }
1607 print_symname (" %s", SYM_NAME (info), abfd);
1608 }
1609
1610 static void
1611 print_symbol_info_sysv (struct extended_symbol_info *info, bfd *abfd)
1612 {
1613 print_symname ("%-20s|", SYM_NAME (info), abfd);
1614
1615 if (bfd_is_undefined_symclass (SYM_TYPE (info)))
1616 {
1617 if (print_width == 32)
1618 printf (" ");
1619 else
1620 printf (" ");
1621 }
1622 else
1623 print_value (abfd, SYM_VALUE (info));
1624
1625 printf ("| %c |", SYM_TYPE (info));
1626
1627 if (SYM_TYPE (info) == '-')
1628 {
1629 /* A stab. */
1630 printf ("%18s| ", SYM_STAB_NAME (info)); /* (C) Type. */
1631 printf (desc_format, SYM_STAB_DESC (info)); /* Size. */
1632 printf ("| |"); /* Line, Section. */
1633 }
1634 else
1635 {
1636 /* Type, Size, Line, Section */
1637 if (info->elfinfo)
1638 printf ("%18s|",
1639 get_elf_symbol_type (ELF_ST_TYPE (info->elfinfo->internal_elf_sym.st_info)));
1640 else if (info->coffinfo)
1641 printf ("%18s|",
1642 get_coff_symbol_type (&info->coffinfo->native->u.syment));
1643 else
1644 printf (" |");
1645
1646 if (SYM_SIZE (info))
1647 print_value (abfd, SYM_SIZE (info));
1648 else
1649 {
1650 if (print_width == 32)
1651 printf (" ");
1652 else
1653 printf (" ");
1654 }
1655
1656 if (info->elfinfo)
1657 printf("| |%s", info->elfinfo->symbol.section->name);
1658 else if (info->coffinfo)
1659 printf("| |%s", info->coffinfo->symbol.section->name);
1660 else
1661 printf("| |");
1662 }
1663 }
1664
1665 static void
1666 print_symbol_info_posix (struct extended_symbol_info *info, bfd *abfd)
1667 {
1668 print_symname ("%s ", SYM_NAME (info), abfd);
1669 printf ("%c ", SYM_TYPE (info));
1670
1671 if (bfd_is_undefined_symclass (SYM_TYPE (info)))
1672 printf (" ");
1673 else
1674 {
1675 print_value (abfd, SYM_VALUE (info));
1676 printf (" ");
1677 if (SYM_SIZE (info))
1678 print_value (abfd, SYM_SIZE (info));
1679 }
1680 }
1681 \f
1682 int
1683 main (int argc, char **argv)
1684 {
1685 int c;
1686 int retval;
1687
1688 #if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES)
1689 setlocale (LC_MESSAGES, "");
1690 #endif
1691 #if defined (HAVE_SETLOCALE)
1692 setlocale (LC_CTYPE, "");
1693 setlocale (LC_COLLATE, "");
1694 #endif
1695 bindtextdomain (PACKAGE, LOCALEDIR);
1696 textdomain (PACKAGE);
1697
1698 program_name = *argv;
1699 xmalloc_set_program_name (program_name);
1700 bfd_set_error_program_name (program_name);
1701 #if BFD_SUPPORTS_PLUGINS
1702 bfd_plugin_set_program_name (program_name);
1703 #endif
1704
1705 START_PROGRESS (program_name, 0);
1706
1707 expandargv (&argc, &argv);
1708
1709 if (bfd_init () != BFD_INIT_MAGIC)
1710 fatal (_("fatal error: libbfd ABI mismatch"));
1711 set_default_bfd_target ();
1712
1713 while ((c = getopt_long (argc, argv, "aABCDef:gHhlnopPrSst:uvVvX:",
1714 long_options, (int *) 0)) != EOF)
1715 {
1716 switch (c)
1717 {
1718 case 'a':
1719 print_debug_syms = 1;
1720 break;
1721 case 'A':
1722 case 'o':
1723 filename_per_symbol = 1;
1724 break;
1725 case 'B': /* For MIPS compatibility. */
1726 set_output_format ("bsd");
1727 break;
1728 case 'C':
1729 do_demangle = 1;
1730 if (optarg != NULL)
1731 {
1732 enum demangling_styles style;
1733
1734 style = cplus_demangle_name_to_style (optarg);
1735 if (style == unknown_demangling)
1736 fatal (_("unknown demangling style `%s'"),
1737 optarg);
1738
1739 cplus_demangle_set_style (style);
1740 }
1741 break;
1742 case OPTION_RECURSE_LIMIT:
1743 demangle_flags &= ~ DMGL_NO_RECURSE_LIMIT;
1744 break;
1745 case OPTION_NO_RECURSE_LIMIT:
1746 demangle_flags |= DMGL_NO_RECURSE_LIMIT;
1747 break;
1748 case 'D':
1749 dynamic = 1;
1750 break;
1751 case 'e':
1752 /* Ignored for HP/UX compatibility. */
1753 break;
1754 case 'f':
1755 set_output_format (optarg);
1756 break;
1757 case 'g':
1758 external_only = 1;
1759 break;
1760 case 'H':
1761 case 'h':
1762 usage (stdout, 0);
1763 case 'l':
1764 line_numbers = 1;
1765 break;
1766 case 'n':
1767 case 'v':
1768 no_sort = 0;
1769 sort_numerically = 1;
1770 sort_by_size = 0;
1771 break;
1772 case 'p':
1773 no_sort = 1;
1774 sort_numerically = 0;
1775 sort_by_size = 0;
1776 break;
1777 case OPTION_SIZE_SORT:
1778 no_sort = 0;
1779 sort_numerically = 0;
1780 sort_by_size = 1;
1781 break;
1782 case 'P':
1783 set_output_format ("posix");
1784 break;
1785 case 'r':
1786 reverse_sort = 1;
1787 break;
1788 case 's':
1789 print_armap = 1;
1790 break;
1791 case 'S':
1792 print_size = 1;
1793 break;
1794 case 't':
1795 set_print_radix (optarg);
1796 break;
1797 case 'u':
1798 undefined_only = 1;
1799 break;
1800 case 'V':
1801 show_version = 1;
1802 break;
1803 case 'X':
1804 /* Ignored for (partial) AIX compatibility. On AIX, the
1805 argument has values 32, 64, or 32_64, and specifies that
1806 only 32-bit, only 64-bit, or both kinds of objects should
1807 be examined. The default is 32. So plain AIX nm on a
1808 library archive with both kinds of objects will ignore
1809 the 64-bit ones. For GNU nm, the default is and always
1810 has been -X 32_64, and other options are not supported. */
1811 if (strcmp (optarg, "32_64") != 0)
1812 fatal (_("Only -X 32_64 is supported"));
1813 break;
1814
1815 case OPTION_TARGET: /* --target */
1816 target = optarg;
1817 break;
1818
1819 case OPTION_PLUGIN: /* --plugin */
1820 #if BFD_SUPPORTS_PLUGINS
1821 bfd_plugin_set_plugin (optarg);
1822 #else
1823 fatal (_("sorry - this program has been built without plugin support\n"));
1824 #endif
1825 break;
1826
1827 case 0: /* A long option that just sets a flag. */
1828 break;
1829
1830 default:
1831 usage (stderr, 1);
1832 }
1833 }
1834
1835 if (show_version)
1836 print_version ("nm");
1837
1838 if (sort_by_size && undefined_only)
1839 {
1840 non_fatal (_("Using the --size-sort and --undefined-only options together"));
1841 non_fatal (_("will produce no output, since undefined symbols have no size."));
1842 return 0;
1843 }
1844
1845 /* OK, all options now parsed. If no filename specified, do a.out. */
1846 if (optind == argc)
1847 return !display_file ("a.out");
1848
1849 retval = 0;
1850
1851 if (argc - optind > 1)
1852 filename_per_file = 1;
1853
1854 /* We were given several filenames to do. */
1855 while (optind < argc)
1856 {
1857 PROGRESS (1);
1858 if (!display_file (argv[optind++]))
1859 retval++;
1860 }
1861
1862 END_PROGRESS (program_name);
1863
1864 exit (retval);
1865 return retval;
1866 }
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