Use an accessor function for general_symbol_info::language
[deliverable/binutils-gdb.git] / binutils / nm.c
CommitLineData
252b5132 1/* nm.c -- Describe symbol table of a rel file.
82704155 2 Copyright (C) 1991-2019 Free Software Foundation, Inc.
252b5132
RH
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
32866df7 8 the Free Software Foundation; either version 3 of the License, or
252b5132
RH
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
b43b5d5f
NC
18 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
19 02110-1301, USA. */
252b5132 20
3db64b00 21#include "sysdep.h"
252b5132
RH
22#include "bfd.h"
23#include "progress.h"
252b5132
RH
24#include "getopt.h"
25#include "aout/stab_gnu.h"
26#include "aout/ranlib.h"
27#include "demangle.h"
28#include "libiberty.h"
6ab6b380 29#include "elf-bfd.h"
33f5f537 30#include "elf/common.h"
552e55ed
JB
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"
3db64b00 38#include "bucomm.h"
7d0b9ebc 39#include "plugin-api.h"
ce3c775b 40#include "plugin.h"
252b5132
RH
41
42/* When sorting by size, we use this structure to hold the size and a
43 pointer to the minisymbol. */
44
45struct size_sym
46{
2da42df6 47 const void *minisym;
252b5132
RH
48 bfd_vma size;
49};
50
51/* When fetching relocs, we use this structure to pass information to
52 get_relocs. */
53
54struct get_relocs_info
55{
56 asection **secs;
57 arelent ***relocs;
58 long *relcount;
59 asymbol **syms;
60};
61
9710509e 62struct extended_symbol_info
977f7911
NC
63{
64 symbol_info *sinfo;
65 bfd_vma ssize;
33f5f537 66 elf_symbol_type *elfinfo;
552e55ed 67 coff_symbol_type *coffinfo;
977f7911
NC
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)
33f5f537
L
76#define SYM_SIZE(sym) \
77 (sym->elfinfo ? sym->elfinfo->internal_elf_sym.st_size: sym->ssize)
977f7911 78
252b5132 79/* The output formatting functions. */
b16c44de
AM
80static void print_object_filename_bsd (const char *);
81static void print_object_filename_sysv (const char *);
82static void print_object_filename_posix (const char *);
83static void print_archive_filename_bsd (const char *);
84static void print_archive_filename_sysv (const char *);
85static void print_archive_filename_posix (const char *);
86static void print_archive_member_bsd (const char *, const char *);
87static void print_archive_member_sysv (const char *, const char *);
88static void print_archive_member_posix (const char *, const char *);
2da42df6
AJ
89static void print_symbol_filename_bsd (bfd *, bfd *);
90static void print_symbol_filename_sysv (bfd *, bfd *);
91static void print_symbol_filename_posix (bfd *, bfd *);
92static void print_value (bfd *, bfd_vma);
93static void print_symbol_info_bsd (struct extended_symbol_info *, bfd *);
94static void print_symbol_info_sysv (struct extended_symbol_info *, bfd *);
95static void print_symbol_info_posix (struct extended_symbol_info *, bfd *);
252b5132
RH
96
97/* Support for different output formats. */
98struct output_fns
99 {
100 /* Print the name of an object file given on the command line. */
b16c44de 101 void (*print_object_filename) (const char *);
252b5132
RH
102
103 /* Print the name of an archive file given on the command line. */
b16c44de 104 void (*print_archive_filename) (const char *);
252b5132
RH
105
106 /* Print the name of an archive member file. */
b16c44de 107 void (*print_archive_member) (const char *, const char *);
252b5132
RH
108
109 /* Print the name of the file (and archive, if there is one)
110 containing a symbol. */
2da42df6 111 void (*print_symbol_filename) (bfd *, bfd *);
252b5132
RH
112
113 /* Print a line of information about a symbol. */
2da42df6 114 void (*print_symbol_info) (struct extended_symbol_info *, bfd *);
252b5132 115 };
977f7911 116
252b5132
RH
117static 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. */
143static struct output_fns *format = &formats[FORMAT_DEFAULT];
25a02744 144static unsigned int print_format = FORMAT_DEFAULT;
352f6bc3 145static const char *print_format_string = NULL;
252b5132 146
252b5132
RH
147/* Command options. */
148
149static int do_demangle = 0; /* Pretty print C++ symbol names. */
977f7911
NC
150static int external_only = 0; /* Print external symbols only. */
151static int defined_only = 0; /* Print defined symbols only. */
152static int no_sort = 0; /* Don't sort; print syms in order found. */
153static int print_debug_syms = 0;/* Print debugger-only symbols too. */
154static int print_armap = 0; /* Describe __.SYMDEF data in archive files. */
72797995 155static int print_size = 0; /* Print size of defined symbols. */
977f7911
NC
156static int reverse_sort = 0; /* Sort in downward(alpha or numeric) order. */
157static int sort_numerically = 0;/* Sort in numeric rather than alpha order. */
158static int sort_by_size = 0; /* Sort by size of symbol. */
159static int undefined_only = 0; /* Print undefined symbols only. */
160static int dynamic = 0; /* Print dynamic symbols. */
161static int show_version = 0; /* Show the version number. */
0873df2a 162static int show_synthetic = 0; /* Display synthesized symbols too. */
977f7911 163static int line_numbers = 0; /* Print line numbers for symbols. */
3c9458e9 164static int allow_special_symbols = 0; /* Allow special symbols. */
df2c87b5 165static int with_symbol_versions = 0; /* Include symbol version information in the output. */
252b5132 166
af03af8f
NC
167static int demangle_flags = DMGL_ANSI | DMGL_PARAMS;
168
252b5132
RH
169/* When to print the names of files. Not mutually exclusive in SYSV format. */
170static int filename_per_file = 0; /* Once per file, on its own line. */
171static int filename_per_symbol = 0; /* Once per symbol, at start of line. */
172
970ccc77 173static int print_width = 0;
252b5132
RH
174static int print_radix = 16;
175/* Print formats for printing stab info. */
176static char other_format[] = "%02x";
177static char desc_format[] = "%04x";
178
179static char *target = NULL;
92b1b678
MT
180#if BFD_SUPPORTS_PLUGINS
181static const char *plugin_target = "plugin";
182#else
183static const char *plugin_target = NULL;
184#endif
252b5132
RH
185
186/* Used to cache the line numbers for a BFD. */
187static bfd *lineno_cache_bfd;
188static bfd *lineno_cache_rel_bfd;
189
af03af8f
NC
190enum 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};
c20f4f8c 198
252b5132
RH
199static struct option long_options[] =
200{
201 {"debug-syms", no_argument, &print_debug_syms, 1},
28c309a2 202 {"demangle", optional_argument, 0, 'C'},
252b5132
RH
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},
af03af8f
NC
210 {"no-recurse-limit", no_argument, NULL, OPTION_NO_RECURSE_LIMIT},
211 {"no-recursion-limit", no_argument, NULL, OPTION_NO_RECURSE_LIMIT},
ddb1377c
AM
212 {"no-sort", no_argument, 0, 'p'},
213 {"numeric-sort", no_argument, 0, 'n'},
ce3c775b 214 {"plugin", required_argument, 0, OPTION_PLUGIN},
252b5132
RH
215 {"portability", no_argument, 0, 'P'},
216 {"print-armap", no_argument, &print_armap, 1},
217 {"print-file-name", no_argument, 0, 'o'},
72797995 218 {"print-size", no_argument, 0, 'S'},
252b5132 219 {"radix", required_argument, 0, 't'},
af03af8f
NC
220 {"recurse-limit", no_argument, NULL, OPTION_RECURSE_LIMIT},
221 {"recursion-limit", no_argument, NULL, OPTION_RECURSE_LIMIT},
252b5132 222 {"reverse-sort", no_argument, &reverse_sort, 1},
ddb1377c 223 {"size-sort", no_argument, 0, OPTION_SIZE_SORT},
3c9458e9 224 {"special-syms", no_argument, &allow_special_symbols, 1},
0873df2a 225 {"synthetic", no_argument, &show_synthetic, 1},
c20f4f8c 226 {"target", required_argument, 0, OPTION_TARGET},
252b5132
RH
227 {"defined-only", no_argument, &defined_only, 1},
228 {"undefined-only", no_argument, &undefined_only, 1},
229 {"version", no_argument, &show_version, 1},
df2c87b5 230 {"with-symbol-versions", no_argument, &with_symbol_versions, 1},
252b5132
RH
231 {0, no_argument, 0, 0}
232};
233\f
977f7911 234/* Some error-reporting functions. */
252b5132 235
1e0f0b4d 236ATTRIBUTE_NORETURN static void
2da42df6 237usage (FILE *stream, int status)
252b5132 238{
8b53311e
NC
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\
b56f55ce
NC
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\
28c309a2
NC
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\
f0c8c24a
NC
247 `gnu', `lucid', `arm', `hp', `edg', `gnu-v3', `java'\n\
248 or `gnat'\n\
b56f55ce 249 --no-demangle Do not demangle low-level symbol names\n\
af03af8f
NC
250 --recurse-limit Enable a demangling recursion limit. This is the default.\n\
251 --no-recurse-limit Disable a demangling recursion limit.\n\
b56f55ce
NC
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\
b56f55ce
NC
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\
d46fc8e8 264 -r, --reverse-sort Reverse the sense of the sort\n"));
ce3c775b 265#if BFD_SUPPORTS_PLUGINS
d46fc8e8
NC
266 fprintf (stream, _("\
267 --plugin NAME Load the specified plugin\n"));
ce3c775b 268#endif
d46fc8e8 269 fprintf (stream, _("\
d2ca6b5b 270 -S, --print-size Print size of defined symbols\n\
b56f55ce
NC
271 -s, --print-armap Include index for symbols from archive members\n\
272 --size-sort Sort symbols by size\n\
61bbd35b 273 --special-syms Include special symbols in the output\n\
0873df2a 274 --synthetic Display synthetic symbols as well\n\
b56f55ce
NC
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\
df2c87b5 278 --with-symbol-versions Display version strings after symbol names\n\
6e800839 279 -X 32_64 (ignored)\n\
07012eee 280 @FILE Read options from FILE\n\
8b53311e
NC
281 -h, --help Display this information\n\
282 -V, --version Display this program's version number\n\
b56f55ce 283\n"));
252b5132 284 list_supported_targets (program_name, stream);
92f01d61 285 if (REPORT_BUGS_TO[0] && status == 0)
b56f55ce 286 fprintf (stream, _("Report bugs to %s.\n"), REPORT_BUGS_TO);
252b5132
RH
287 exit (status);
288}
289
290/* Set the radix for the symbol value and size according to RADIX. */
291
292static void
2da42df6 293set_print_radix (char *radix)
252b5132
RH
294{
295 switch (*radix)
296 {
25a02744
NC
297 case 'x': print_radix = 16; break;
298 case 'd': print_radix = 10; break;
299 case 'o': print_radix = 8; break;
300
252b5132 301 default:
37cc8ec1 302 fatal (_("%s: invalid radix"), radix);
252b5132 303 }
25a02744
NC
304
305 other_format[3] = desc_format[3] = *radix;
252b5132
RH
306}
307
308static void
2da42df6 309set_output_format (char *f)
252b5132
RH
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:
37cc8ec1 328 fatal (_("%s: invalid output format"), f);
252b5132
RH
329 }
330 format = &formats[i];
25a02744 331 print_format = i;
252b5132
RH
332}
333\f
33f5f537 334static const char *
552e55ed 335get_elf_symbol_type (unsigned int type)
33f5f537 336{
7358f4cb
AM
337 static char *bufp;
338 int n;
33f5f537
L
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";
33f5f537 349 }
7358f4cb
AM
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;
33f5f537 361}
552e55ed
JB
362
363static const char *
364get_coff_symbol_type (const struct internal_syment *sym)
365{
7358f4cb
AM
366 static char *bufp;
367 int n;
552e55ed
JB
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";
7358f4cb 378
552e55ed
JB
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 }
7358f4cb
AM
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;
552e55ed 391}
382c1116 392\f
91d6fa6a 393/* Print symbol name NAME, read from ABFD, with printf format FORM,
382c1116 394 demangling it if requested. */
33f5f537 395
252b5132 396static void
91d6fa6a 397print_symname (const char *form, const char *name, bfd *abfd)
252b5132 398{
382c1116 399 if (do_demangle && *name)
252b5132 400 {
af03af8f 401 char *res = bfd_demangle (abfd, name, demangle_flags);
ed180cc5
AM
402
403 if (res != NULL)
404 {
91d6fa6a 405 printf (form, res);
ed180cc5
AM
406 free (res);
407 return;
408 }
382c1116 409 }
252b5132 410
91d6fa6a 411 printf (form, name);
382c1116 412}
252b5132 413
382c1116
NC
414static void
415print_symdef_entry (bfd *abfd)
416{
417 symindex idx = BFD_NO_MORE_SYMBOLS;
418 carsym *thesym;
419 bfd_boolean everprinted = FALSE;
33f5f537 420
382c1116
NC
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)
252b5132 427 {
382c1116
NC
428 printf (_("\nArchive index:\n"));
429 everprinted = TRUE;
252b5132 430 }
382c1116
NC
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)
252b5132 435 {
382c1116
NC
436 print_symname ("%s", thesym->name, abfd);
437 printf (" in %s\n", bfd_get_filename (elt));
252b5132 438 }
252b5132
RH
439 }
440}
382c1116 441\f
cc5277b1
ML
442
443/* True when we can report missing plugin error. */
444bfd_boolean report_plugin_err = TRUE;
445
382c1116
NC
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. */
252b5132 449
382c1116 450static long
91d6fa6a 451filter_symbols (bfd *abfd, bfd_boolean is_dynamic, void *minisyms,
382c1116 452 long symcount, unsigned int size)
252b5132 453{
382c1116
NC
454 bfd_byte *from, *fromend, *to;
455 asymbol *store;
252b5132 456
382c1116
NC
457 store = bfd_make_empty_symbol (abfd);
458 if (store == NULL)
459 bfd_fatal (bfd_get_filename (abfd));
f24ddbdd 460
382c1116
NC
461 from = (bfd_byte *) minisyms;
462 fromend = from + symcount * size;
463 to = (bfd_byte *) minisyms;
252b5132 464
382c1116 465 for (; from < fromend; from += size)
252b5132 466 {
382c1116
NC
467 int keep = 0;
468 asymbol *sym;
33f5f537 469
382c1116
NC
470 PROGRESS (1);
471
91d6fa6a 472 sym = bfd_minisymbol_to_symbol (abfd, is_dynamic, (const void *) from, store);
382c1116
NC
473 if (sym == NULL)
474 bfd_fatal (bfd_get_filename (abfd));
475
e601d38b
AM
476 if (sym->name[0] == '_'
477 && sym->name[1] == '_'
cc5277b1
ML
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 }
b794fc1d 485
382c1116
NC
486 if (undefined_only)
487 keep = bfd_is_und_section (sym->section);
488 else if (external_only)
6a1b08f5
L
489 /* PR binutls/12753: Unique symbols are global too. */
490 keep = ((sym->flags & (BSF_GLOBAL
491 | BSF_WEAK
492 | BSF_GNU_UNIQUE)) != 0
382c1116
NC
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)
252b5132 511 {
382c1116
NC
512 if (bfd_is_und_section (sym->section))
513 keep = 0;
252b5132 514 }
252b5132 515
3c9458e9
NC
516 if (keep
517 && bfd_is_target_special_symbol (abfd, sym)
518 && ! allow_special_symbols)
519 keep = 0;
520
382c1116
NC
521 if (keep)
522 {
ede76260
HPN
523 if (to != from)
524 memcpy (to, from, size);
382c1116
NC
525 to += size;
526 }
527 }
252b5132 528
382c1116 529 return (to - (bfd_byte *) minisyms) / size;
252b5132
RH
530}
531\f
532/* These globals are used to pass information into the sorting
533 routines. */
534static bfd *sort_bfd;
b34976b6 535static bfd_boolean sort_dynamic;
252b5132
RH
536static asymbol *sort_x;
537static 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
252b5132 546static int
2da42df6 547non_numeric_forward (const void *P_x, const void *P_y)
252b5132
RH
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
9710509e
AM
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
252b5132
RH
577}
578
579static int
2da42df6 580non_numeric_reverse (const void *x, const void *y)
252b5132
RH
581{
582 return - non_numeric_forward (x, y);
583}
584
382c1116
NC
585static int
586numeric_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
e6f7f6d1
AM
596 xs = bfd_asymbol_section (x);
597 ys = bfd_asymbol_section (y);
382c1116
NC
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
612static int
613numeric_reverse (const void *x, const void *y)
614{
615 return - numeric_forward (x, y);
616}
617
2da42df6 618static int (*(sorters[2][2])) (const void *, const void *) =
252b5132
RH
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
635static int
2da42df6 636size_forward1 (const void *P_x, const void *P_y)
252b5132
RH
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
e6f7f6d1
AM
649 xs = bfd_asymbol_section (x);
650 ys = bfd_asymbol_section (y);
252b5132
RH
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 \
c1221402
NC
687 || ((snl) > 2 \
688 && (sn)[(snl) - 2] == '.' \
252b5132
RH
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
706static int
2da42df6 707size_forward2 (const void *P_x, const void *P_y)
252b5132
RH
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
6ab6b380
NC
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. */
252b5132
RH
724
725static long
91d6fa6a 726sort_symbols_by_size (bfd *abfd, bfd_boolean is_dynamic, void *minisyms,
2da42df6
AJ
727 long symcount, unsigned int size,
728 struct size_sym **symsizesp)
252b5132
RH
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. */
3f5e193b 739 symsizes = (struct size_sym *) xmalloc (symcount * sizeof (struct size_sym));
252b5132
RH
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. */
252b5132
RH
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 {
91d6fa6a 753 sym = bfd_minisymbol_to_symbol (abfd, is_dynamic, (const void *) from,
252b5132
RH
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,
91d6fa6a 769 is_dynamic,
2da42df6 770 (const void *) (from + size),
252b5132
RH
771 store_next);
772 if (next == NULL)
773 bfd_fatal (bfd_get_filename (abfd));
774 }
775 else
776 next = NULL;
777
e6f7f6d1 778 sec = bfd_asymbol_section (sym);
252b5132 779
cec4b2e3 780 /* Synthetic symbols don't have a full type set of data available, thus
160b1a61
AM
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)
6ab6b380 785 sz = ((elf_symbol_type *) sym)->internal_elf_sym.st_size;
160b1a61
AM
786 else if ((sym->flags & (BSF_SECTION_SYM | BSF_SYNTHETIC)) == 0
787 && bfd_is_com_section (sec))
252b5132
RH
788 sz = sym->value;
789 else
790 {
791 if (from + size < fromend
e6f7f6d1 792 && sec == bfd_asymbol_section (next))
252b5132
RH
793 sz = valueof (next) - valueof (sym);
794 else
fd361982
AM
795 sz = (bfd_section_vma (sec)
796 + bfd_section_size (sec)
252b5132
RH
797 - valueof (sym));
798 }
799
800 if (sz != 0)
801 {
2da42df6 802 symsizes->minisym = (const void *) from;
252b5132
RH
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. */
2da42df6 817 qsort ((void *) *symsizesp, symcount, sizeof (struct size_sym), size_forward2);
252b5132
RH
818
819 return symcount;
820}
382c1116
NC
821
822/* This function is used to get the relocs for a particular section.
823 It is called via bfd_map_over_sections. */
252b5132
RH
824
825static void
382c1116 826get_relocs (bfd *abfd, asection *sec, void *dataarg)
252b5132 827{
382c1116 828 struct get_relocs_info *data = (struct get_relocs_info *) dataarg;
252b5132 829
382c1116
NC
830 *data->secs = sec;
831
832 if ((sec->flags & SEC_RELOC) == 0)
252b5132 833 {
382c1116
NC
834 *data->relocs = NULL;
835 *data->relcount = 0;
252b5132 836 }
382c1116
NC
837 else
838 {
839 long relsize;
252b5132 840
382c1116
NC
841 relsize = bfd_get_reloc_upper_bound (abfd, sec);
842 if (relsize < 0)
843 bfd_fatal (bfd_get_filename (abfd));
252b5132 844
3f5e193b 845 *data->relocs = (arelent **) xmalloc (relsize);
382c1116
NC
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));
68a4c073 850 }
252b5132 851
382c1116
NC
852 ++data->secs;
853 ++data->relocs;
854 ++data->relcount;
855}
856
857/* Print a single symbol. */
858
859static void
896ca098
NC
860print_symbol (bfd * abfd,
861 asymbol * sym,
862 bfd_vma ssize,
2387dd90 863 bfd * archive_bfd)
382c1116
NC
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);
896ca098 873
382c1116
NC
874 info.sinfo = &syminfo;
875 info.ssize = ssize;
160b1a61
AM
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)
552e55ed
JB
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 }
896ca098 888
382c1116
NC
889 format->print_symbol_info (&info, abfd);
890
df2c87b5
NC
891 if (with_symbol_versions)
892 {
893 const char * version_string = NULL;
894 bfd_boolean hidden = FALSE;
895
160b1a61 896 if ((sym->flags & (BSF_SECTION_SYM | BSF_SYNTHETIC)) == 0)
df2c87b5
NC
897 version_string = bfd_get_symbol_version_string (abfd, sym, &hidden);
898
e6f7f6d1 899 if (bfd_is_und_section (bfd_asymbol_section (sym)))
df2c87b5
NC
900 hidden = TRUE;
901
902 if (version_string && *version_string != '\0')
903 printf (hidden ? "@%s" : "@@%s", version_string);
904 }
905
382c1116 906 if (line_numbers)
0873df2a 907 {
382c1116
NC
908 static asymbol **syms;
909 static long symcount;
910 const char *filename, *functionname;
911 unsigned int lineno;
0873df2a 912
382c1116
NC
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)
0873df2a 917 {
382c1116
NC
918 free (syms);
919 syms = NULL;
0873df2a 920 }
382c1116 921 if (syms == NULL)
0873df2a 922 {
382c1116
NC
923 long symsize;
924
925 symsize = bfd_get_symtab_upper_bound (abfd);
926 if (symsize < 0)
927 bfd_fatal (bfd_get_filename (abfd));
3f5e193b 928 syms = (asymbol **) xmalloc (symsize);
382c1116
NC
929 symcount = bfd_canonicalize_symtab (abfd, syms);
930 if (symcount < 0)
931 bfd_fatal (bfd_get_filename (abfd));
932 lineno_cache_bfd = abfd;
0873df2a 933 }
0873df2a 934
e6f7f6d1 935 if (bfd_is_und_section (bfd_asymbol_section (sym)))
382c1116
NC
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;
0873df2a 943
382c1116
NC
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 }
252b5132 958
382c1116
NC
959 if (relocs == NULL)
960 {
91d6fa6a 961 struct get_relocs_info rinfo;
252b5132 962
382c1116 963 seccount = bfd_count_sections (abfd);
252b5132 964
3f5e193b
NC
965 secs = (asection **) xmalloc (seccount * sizeof *secs);
966 relocs = (arelent ***) xmalloc (seccount * sizeof *relocs);
967 relcount = (long *) xmalloc (seccount * sizeof *relcount);
252b5132 968
91d6fa6a
NC
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);
382c1116
NC
974 lineno_cache_rel_bfd = abfd;
975 }
252b5132 976
382c1116
NC
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 }
e6f7f6d1 1005 else if (bfd_asymbol_section (sym)->owner == abfd)
382c1116 1006 {
5420f73d 1007 if ((bfd_find_line (abfd, syms, sym, &filename, &lineno)
e6f7f6d1 1008 || bfd_find_nearest_line (abfd, bfd_asymbol_section (sym),
5420f73d
L
1009 syms, sym->value, &filename,
1010 &functionname, &lineno))
382c1116
NC
1011 && filename != NULL
1012 && lineno != 0)
1013 printf ("\t%s:%u", filename, lineno);
1014 }
1015 }
1016
1017 putchar ('\n');
252b5132
RH
1018}
1019\f
382c1116 1020/* Print the symbols when sorting by size. */
252b5132 1021
382c1116 1022static void
896ca098
NC
1023print_size_symbols (bfd * abfd,
1024 bfd_boolean is_dynamic,
1025 struct size_sym * symsizes,
1026 long symcount,
896ca098 1027 bfd * archive_bfd)
252b5132 1028{
252b5132 1029 asymbol *store;
896ca098
NC
1030 struct size_sym *from;
1031 struct size_sym *fromend;
252b5132
RH
1032
1033 store = bfd_make_empty_symbol (abfd);
1034 if (store == NULL)
1035 bfd_fatal (bfd_get_filename (abfd));
1036
382c1116
NC
1037 from = symsizes;
1038 fromend = from + symcount;
896ca098 1039
382c1116 1040 for (; from < fromend; from++)
252b5132 1041 {
252b5132
RH
1042 asymbol *sym;
1043
91d6fa6a 1044 sym = bfd_minisymbol_to_symbol (abfd, is_dynamic, from->minisym, store);
252b5132
RH
1045 if (sym == NULL)
1046 bfd_fatal (bfd_get_filename (abfd));
1047
2387dd90 1048 print_symbol (abfd, sym, from->size, archive_bfd);
252b5132 1049 }
252b5132
RH
1050}
1051
382c1116 1052\f
896ca098
NC
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
2387dd90 1057 SYMCOUNT is the number of symbols in MINISYMS.
3aade688 1058
896ca098 1059 SIZE is the size of a symbol in MINISYMS. */
252b5132
RH
1060
1061static void
896ca098
NC
1062print_symbols (bfd * abfd,
1063 bfd_boolean is_dynamic,
1064 void * minisyms,
1065 long symcount,
896ca098
NC
1066 unsigned int size,
1067 bfd * archive_bfd)
252b5132
RH
1068{
1069 asymbol *store;
896ca098
NC
1070 bfd_byte *from;
1071 bfd_byte *fromend;
252b5132
RH
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;
896ca098 1079
252b5132
RH
1080 for (; from < fromend; from += size)
1081 {
1082 asymbol *sym;
1083
91d6fa6a 1084 sym = bfd_minisymbol_to_symbol (abfd, is_dynamic, from, store);
252b5132
RH
1085 if (sym == NULL)
1086 bfd_fatal (bfd_get_filename (abfd));
1087
2387dd90 1088 print_symbol (abfd, sym, (bfd_vma) 0, archive_bfd);
252b5132
RH
1089 }
1090}
1091
382c1116 1092/* If ARCHIVE_BFD is non-NULL, it is the archive containing ABFD. */
252b5132 1093
0af11b59 1094static void
382c1116 1095display_rel_file (bfd *abfd, bfd *archive_bfd)
252b5132 1096{
382c1116
NC
1097 long symcount;
1098 void *minisyms;
1099 unsigned int size;
1100 struct size_sym *symsizes;
8dba52b6 1101 asymbol *synthsyms = NULL;
252b5132 1102
382c1116
NC
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)
bf26dcc6
NC
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 }
9993a355 1120
bf26dcc6
NC
1121 bfd_fatal (bfd_get_filename (abfd));
1122 }
252b5132 1123
382c1116 1124 if (symcount == 0)
252b5132 1125 {
382c1116
NC
1126 non_fatal (_("%s: no symbols"), bfd_get_filename (abfd));
1127 return;
1128 }
3aade688 1129
382c1116
NC
1130 if (show_synthetic && size == sizeof (asymbol *))
1131 {
382c1116
NC
1132 asymbol **static_syms = NULL;
1133 asymbol **dyn_syms = NULL;
1134 long static_count = 0;
1135 long dyn_count = 0;
2387dd90 1136 long synth_count;
252b5132 1137
382c1116
NC
1138 if (dynamic)
1139 {
1140 dyn_count = symcount;
3f5e193b 1141 dyn_syms = (asymbol **) minisyms;
382c1116 1142 }
977f7911 1143 else
382c1116 1144 {
8615f3f2
AM
1145 long storage = bfd_get_dynamic_symtab_upper_bound (abfd);
1146
382c1116 1147 static_count = symcount;
3f5e193b 1148 static_syms = (asymbol **) minisyms;
8615f3f2
AM
1149
1150 if (storage > 0)
1151 {
3f5e193b 1152 dyn_syms = (asymbol **) xmalloc (storage);
8615f3f2
AM
1153 dyn_count = bfd_canonicalize_dynamic_symtab (abfd, dyn_syms);
1154 if (dyn_count < 0)
1155 bfd_fatal (bfd_get_filename (abfd));
1156 }
382c1116 1157 }
896ca098 1158
382c1116
NC
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;
382c1116 1164 long i;
977f7911 1165
c2f5dc30
AM
1166 minisyms = xrealloc (minisyms,
1167 (symcount + synth_count + 1) * sizeof (*symp));
1168 symp = (asymbol **) minisyms + symcount;
382c1116
NC
1169 for (i = 0; i < synth_count; i++)
1170 *symp++ = synthsyms + i;
1171 *symp = 0;
382c1116
NC
1172 symcount += synth_count;
1173 }
252b5132 1174 }
252b5132 1175
cc5277b1
ML
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
382c1116
NC
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). */
252b5132 1188
382c1116 1189 symcount = filter_symbols (abfd, dynamic, minisyms, symcount, size);
2da42df6 1190
382c1116
NC
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));
252b5132 1200
382c1116
NC
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 }
252b5132 1208
382c1116 1209 if (! sort_by_size)
2387dd90 1210 print_symbols (abfd, dynamic, minisyms, symcount, size, archive_bfd);
252b5132 1211 else
2387dd90 1212 print_size_symbols (abfd, dynamic, symsizes, symcount, archive_bfd);
252b5132 1213
8dba52b6
L
1214 if (synthsyms)
1215 free (synthsyms);
382c1116 1216 free (minisyms);
497b9b32 1217 free (symsizes);
382c1116
NC
1218}
1219
352f6bc3
AM
1220/* Construct a formatting string for printing symbol values. */
1221
1222static const char *
1223get_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
970ccc77
NC
1265static void
1266set_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 }
352f6bc3
AM
1283 free ((char *) print_format_string);
1284 print_format_string = get_print_format ();
970ccc77
NC
1285}
1286
382c1116
NC
1287static void
1288display_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 (;;)
252b5132 1300 {
382c1116 1301 PROGRESS (1);
252b5132 1302
382c1116
NC
1303 arfile = bfd_openr_next_archived_file (file, arfile);
1304
1305 if (arfile == NULL)
252b5132 1306 {
382c1116
NC
1307 if (bfd_get_error () != bfd_error_no_more_archived_files)
1308 bfd_fatal (bfd_get_filename (file));
1309 break;
252b5132 1310 }
382c1116
NC
1311
1312 if (bfd_check_format_matches (arfile, bfd_object, &matching))
252b5132 1313 {
970ccc77 1314 set_print_width (arfile);
382c1116
NC
1315 format->print_archive_member (bfd_get_filename (file),
1316 bfd_get_filename (arfile));
1317 display_rel_file (arfile, file);
252b5132 1318 }
382c1116 1319 else
252b5132 1320 {
382c1116
NC
1321 bfd_nonfatal (bfd_get_filename (arfile));
1322 if (bfd_get_error () == bfd_error_file_ambiguously_recognized)
252b5132 1323 {
382c1116
NC
1324 list_matching_formats (matching);
1325 free (matching);
252b5132 1326 }
382c1116 1327 }
252b5132 1328
382c1116
NC
1329 if (last_arfile != NULL)
1330 {
1331 bfd_close (last_arfile);
1332 lineno_cache_bfd = NULL;
1333 lineno_cache_rel_bfd = NULL;
896ca098
NC
1334 if (arfile == last_arfile)
1335 return;
382c1116
NC
1336 }
1337 last_arfile = arfile;
1338 }
252b5132 1339
382c1116
NC
1340 if (last_arfile != NULL)
1341 {
1342 bfd_close (last_arfile);
1343 lineno_cache_bfd = NULL;
1344 lineno_cache_rel_bfd = NULL;
1345 }
1346}
252b5132 1347
382c1116
NC
1348static bfd_boolean
1349display_file (char *filename)
1350{
1351 bfd_boolean retval = TRUE;
1352 bfd *file;
1353 char **matching;
252b5132 1354
382c1116
NC
1355 if (get_file_size (filename) < 1)
1356 return FALSE;
252b5132 1357
a4b8af35 1358 file = bfd_openr (filename, target ? target : plugin_target);
382c1116
NC
1359 if (file == NULL)
1360 {
1361 bfd_nonfatal (filename);
1362 return FALSE;
1363 }
252b5132 1364
b76e66d3
CC
1365 /* If printing line numbers, decompress the debug sections. */
1366 if (line_numbers)
1367 file->flags |= BFD_DECOMPRESS;
1368
382c1116
NC
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 {
970ccc77 1375 set_print_width (file);
382c1116
NC
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)
252b5132 1383 {
382c1116
NC
1384 list_matching_formats (matching);
1385 free (matching);
252b5132 1386 }
382c1116 1387 retval = FALSE;
252b5132
RH
1388 }
1389
382c1116
NC
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;
252b5132
RH
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
1407static void
b16c44de 1408print_object_filename_bsd (const char *filename)
252b5132
RH
1409{
1410 if (filename_per_file && !filename_per_symbol)
1411 printf ("\n%s:\n", filename);
1412}
1413
1414static void
b16c44de 1415print_object_filename_sysv (const char *filename)
252b5132
RH
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);
970ccc77 1421 if (print_width == 32)
33f5f537
L
1422 printf (_("\
1423Name Value Class Type Size Line Section\n\n"));
1424 else
1425 printf (_("\
1426Name Value Class Type Size Line Section\n\n"));
252b5132
RH
1427}
1428
1429static void
b16c44de 1430print_object_filename_posix (const char *filename)
252b5132
RH
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
1438static void
b16c44de 1439print_archive_filename_bsd (const char *filename)
252b5132
RH
1440{
1441 if (filename_per_file)
1442 printf ("\n%s:\n", filename);
1443}
1444
1445static void
b16c44de 1446print_archive_filename_sysv (const char *filename ATTRIBUTE_UNUSED)
252b5132
RH
1447{
1448}
1449
1450static void
b16c44de 1451print_archive_filename_posix (const char *filename ATTRIBUTE_UNUSED)
252b5132
RH
1452{
1453}
1454\f
1455/* Print the name of an archive member file. */
1456
1457static void
b16c44de 1458print_archive_member_bsd (const char *archive ATTRIBUTE_UNUSED,
2da42df6 1459 const char *filename)
252b5132
RH
1460{
1461 if (!filename_per_symbol)
1462 printf ("\n%s:\n", filename);
1463}
1464
1465static void
b16c44de 1466print_archive_member_sysv (const char *archive, const char *filename)
252b5132
RH
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);
970ccc77 1472 if (print_width == 32)
33f5f537
L
1473 printf (_("\
1474Name Value Class Type Size Line Section\n\n"));
1475 else
1476 printf (_("\
1477Name Value Class Type Size Line Section\n\n"));
252b5132
RH
1478}
1479
1480static void
b16c44de 1481print_archive_member_posix (const char *archive, const char *filename)
252b5132
RH
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
1490static void
2da42df6 1491print_symbol_filename_bsd (bfd *archive_bfd, bfd *abfd)
252b5132
RH
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
1501static void
2da42df6 1502print_symbol_filename_sysv (bfd *archive_bfd, bfd *abfd)
252b5132
RH
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
1512static void
2da42df6 1513print_symbol_filename_posix (bfd *archive_bfd, bfd *abfd)
252b5132
RH
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
1527static void
2da42df6 1528print_value (bfd *abfd ATTRIBUTE_UNUSED, bfd_vma val)
252b5132 1529{
970ccc77 1530 switch (print_width)
252b5132 1531 {
970ccc77 1532 case 32:
352f6bc3 1533 printf (print_format_string, (unsigned long) val);
970ccc77 1534 break;
252b5132 1535
970ccc77 1536 case 64:
39dbeff8 1537#if BFD_HOST_64BIT_LONG || BFD_HOST_64BIT_LONG_LONG
352f6bc3 1538 printf (print_format_string, val);
970ccc77
NC
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
252b5132 1544 {
970ccc77
NC
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);
252b5132 1558 }
252b5132 1559#endif
970ccc77
NC
1560 break;
1561
1562 default:
1563 fatal (_("Print width has not been initialized (%d)"), print_width);
1564 break;
1565 }
252b5132
RH
1566}
1567
1568/* Print a line of information about a symbol. */
1569
1570static void
2da42df6 1571print_symbol_info_bsd (struct extended_symbol_info *info, bfd *abfd)
252b5132 1572{
977f7911 1573 if (bfd_is_undefined_symclass (SYM_TYPE (info)))
252b5132 1574 {
970ccc77 1575 if (print_width == 64)
62a5a82d 1576 printf (" ");
21211521 1577 printf (" ");
252b5132
RH
1578 }
1579 else
977f7911 1580 {
06a30c77 1581 /* Normally we print the value of the symbol. If we are printing the
50c2245b 1582 size or sorting by size then we print its size, except for the
06a30c77
NC
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));
72797995 1589 if (print_size && SYM_SIZE (info))
977f7911 1590 {
06a30c77 1591 printf (" ");
977f7911
NC
1592 print_value (abfd, SYM_SIZE (info));
1593 }
1594 }
1595
1596 printf (" %c", SYM_TYPE (info));
1597
1598 if (SYM_TYPE (info) == '-')
252b5132
RH
1599 {
1600 /* A stab. */
1601 printf (" ");
977f7911 1602 printf (other_format, SYM_STAB_OTHER (info));
252b5132 1603 printf (" ");
977f7911
NC
1604 printf (desc_format, SYM_STAB_DESC (info));
1605 printf (" %5s", SYM_STAB_NAME (info));
252b5132 1606 }
977f7911 1607 print_symname (" %s", SYM_NAME (info), abfd);
252b5132
RH
1608}
1609
1610static void
2da42df6 1611print_symbol_info_sysv (struct extended_symbol_info *info, bfd *abfd)
252b5132 1612{
977f7911
NC
1613 print_symname ("%-20s|", SYM_NAME (info), abfd);
1614
1615 if (bfd_is_undefined_symclass (SYM_TYPE (info)))
33f5f537 1616 {
970ccc77 1617 if (print_width == 32)
33f5f537
L
1618 printf (" ");
1619 else
1620 printf (" ");
1621 }
252b5132 1622 else
977f7911
NC
1623 print_value (abfd, SYM_VALUE (info));
1624
1625 printf ("| %c |", SYM_TYPE (info));
1626
1627 if (SYM_TYPE (info) == '-')
252b5132
RH
1628 {
1629 /* A stab. */
e3b83c8f
NC
1630 printf ("%18s| ", SYM_STAB_NAME (info)); /* (C) Type. */
1631 printf (desc_format, SYM_STAB_DESC (info)); /* Size. */
1632 printf ("| |"); /* Line, Section. */
252b5132
RH
1633 }
1634 else
9710509e 1635 {
977f7911 1636 /* Type, Size, Line, Section */
33f5f537
L
1637 if (info->elfinfo)
1638 printf ("%18s|",
552e55ed
JB
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));
33f5f537
L
1643 else
1644 printf (" |");
977f7911
NC
1645
1646 if (SYM_SIZE (info))
1647 print_value (abfd, SYM_SIZE (info));
1648 else
33f5f537 1649 {
970ccc77 1650 if (print_width == 32)
33f5f537
L
1651 printf (" ");
1652 else
1653 printf (" ");
1654 }
977f7911 1655
33f5f537
L
1656 if (info->elfinfo)
1657 printf("| |%s", info->elfinfo->symbol.section->name);
552e55ed
JB
1658 else if (info->coffinfo)
1659 printf("| |%s", info->coffinfo->symbol.section->name);
33f5f537
L
1660 else
1661 printf("| |");
977f7911 1662 }
252b5132
RH
1663}
1664
1665static void
2da42df6 1666print_symbol_info_posix (struct extended_symbol_info *info, bfd *abfd)
252b5132 1667{
977f7911
NC
1668 print_symname ("%s ", SYM_NAME (info), abfd);
1669 printf ("%c ", SYM_TYPE (info));
1670
1671 if (bfd_is_undefined_symclass (SYM_TYPE (info)))
252b5132
RH
1672 printf (" ");
1673 else
977f7911
NC
1674 {
1675 print_value (abfd, SYM_VALUE (info));
1676 printf (" ");
1677 if (SYM_SIZE (info))
1678 print_value (abfd, SYM_SIZE (info));
1679 }
252b5132
RH
1680}
1681\f
382c1116
NC
1682int
1683main (int argc, char **argv)
252b5132 1684{
382c1116
NC
1685 int c;
1686 int retval;
252b5132 1687
382c1116
NC
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);
86eafac0 1700 bfd_set_error_program_name (program_name);
fc579192
NC
1701#if BFD_SUPPORTS_PLUGINS
1702 bfd_plugin_set_program_name (program_name);
1703#endif
382c1116
NC
1704
1705 START_PROGRESS (program_name, 0);
1706
869b9d07
MM
1707 expandargv (&argc, &argv);
1708
bf2dd8d7
AM
1709 if (bfd_init () != BFD_INIT_MAGIC)
1710 fatal (_("fatal error: libbfd ABI mismatch"));
382c1116
NC
1711 set_default_bfd_target ();
1712
1713 while ((c = getopt_long (argc, argv, "aABCDef:gHhlnopPrSst:uvVvX:",
1714 long_options, (int *) 0)) != EOF)
252b5132 1715 {
382c1116 1716 switch (c)
252b5132 1717 {
382c1116
NC
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;
af03af8f
NC
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;
382c1116
NC
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':
ddb1377c 1768 no_sort = 0;
382c1116 1769 sort_numerically = 1;
ddb1377c 1770 sort_by_size = 0;
382c1116
NC
1771 break;
1772 case 'p':
1773 no_sort = 1;
ddb1377c
AM
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;
382c1116
NC
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
ce3c775b
NC
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
382c1116
NC
1827 case 0: /* A long option that just sets a flag. */
1828 break;
1829
1830 default:
1831 usage (stderr, 1);
252b5132
RH
1832 }
1833 }
252b5132 1834
382c1116
NC
1835 if (show_version)
1836 print_version ("nm");
252b5132 1837
382c1116 1838 if (sort_by_size && undefined_only)
252b5132 1839 {
382c1116
NC
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;
252b5132 1843 }
382c1116
NC
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)
252b5132 1856 {
382c1116
NC
1857 PROGRESS (1);
1858 if (!display_file (argv[optind++]))
1859 retval++;
1860 }
252b5132 1861
382c1116 1862 END_PROGRESS (program_name);
252b5132 1863
382c1116
NC
1864 exit (retval);
1865 return retval;
252b5132 1866}
This page took 0.849735 seconds and 4 git commands to generate.