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