| 1 | /* nm.c -- Describe symbol table of a rel file. |
| 2 | Copyright 1991, 92, 93, 94, 95, 96, 97, 98, 99, 2000 |
| 3 | Free Software Foundation, Inc. |
| 4 | |
| 5 | This file is part of GNU Binutils. |
| 6 | |
| 7 | This program is free software; you can redistribute it and/or modify |
| 8 | it under the terms of the GNU General Public License as published by |
| 9 | the Free Software Foundation; either version 2 of the License, or |
| 10 | (at your option) any later version. |
| 11 | |
| 12 | This program is distributed in the hope that it will be useful, |
| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | GNU General Public License for more details. |
| 16 | |
| 17 | You should have received a copy of the GNU General Public License |
| 18 | along with this program; if not, write to the Free Software |
| 19 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA |
| 20 | 02111-1307, USA. */ |
| 21 | |
| 22 | #include "bfd.h" |
| 23 | #include "progress.h" |
| 24 | #include "bucomm.h" |
| 25 | #include "getopt.h" |
| 26 | #include "aout/stab_gnu.h" |
| 27 | #include "aout/ranlib.h" |
| 28 | #include "demangle.h" |
| 29 | #include "libiberty.h" |
| 30 | |
| 31 | /* When sorting by size, we use this structure to hold the size and a |
| 32 | pointer to the minisymbol. */ |
| 33 | |
| 34 | struct size_sym |
| 35 | { |
| 36 | const PTR minisym; |
| 37 | bfd_vma size; |
| 38 | }; |
| 39 | |
| 40 | /* When fetching relocs, we use this structure to pass information to |
| 41 | get_relocs. */ |
| 42 | |
| 43 | struct get_relocs_info |
| 44 | { |
| 45 | asection **secs; |
| 46 | arelent ***relocs; |
| 47 | long *relcount; |
| 48 | asymbol **syms; |
| 49 | }; |
| 50 | |
| 51 | static void |
| 52 | usage PARAMS ((FILE *, int)); |
| 53 | |
| 54 | static void |
| 55 | set_print_radix PARAMS ((char *)); |
| 56 | |
| 57 | static void |
| 58 | set_output_format PARAMS ((char *)); |
| 59 | |
| 60 | static void |
| 61 | display_archive PARAMS ((bfd *)); |
| 62 | |
| 63 | static boolean |
| 64 | display_file PARAMS ((char *filename)); |
| 65 | |
| 66 | static void |
| 67 | display_rel_file PARAMS ((bfd * file, bfd * archive)); |
| 68 | |
| 69 | static long |
| 70 | filter_symbols PARAMS ((bfd *, boolean, PTR, long, unsigned int)); |
| 71 | |
| 72 | static long |
| 73 | sort_symbols_by_size PARAMS ((bfd *, boolean, PTR, long, unsigned int, |
| 74 | struct size_sym **)); |
| 75 | |
| 76 | static void |
| 77 | print_symbols PARAMS ((bfd *, boolean, PTR, long, unsigned int, bfd *)); |
| 78 | |
| 79 | static void |
| 80 | print_size_symbols PARAMS ((bfd *, boolean, struct size_sym *, long, bfd *)); |
| 81 | |
| 82 | static void |
| 83 | print_symname PARAMS ((const char *, const char *, bfd *)); |
| 84 | |
| 85 | static void |
| 86 | print_symbol PARAMS ((bfd *, asymbol *, bfd *)); |
| 87 | |
| 88 | static void |
| 89 | print_symdef_entry PARAMS ((bfd * abfd)); |
| 90 | |
| 91 | /* The sorting functions. */ |
| 92 | |
| 93 | static int |
| 94 | numeric_forward PARAMS ((const PTR, const PTR)); |
| 95 | |
| 96 | static int |
| 97 | numeric_reverse PARAMS ((const PTR, const PTR)); |
| 98 | |
| 99 | static int |
| 100 | non_numeric_forward PARAMS ((const PTR, const PTR)); |
| 101 | |
| 102 | static int |
| 103 | non_numeric_reverse PARAMS ((const PTR, const PTR)); |
| 104 | |
| 105 | static int |
| 106 | size_forward1 PARAMS ((const PTR, const PTR)); |
| 107 | |
| 108 | static int |
| 109 | size_forward2 PARAMS ((const PTR, const PTR)); |
| 110 | |
| 111 | /* The output formatting functions. */ |
| 112 | |
| 113 | static void |
| 114 | print_object_filename_bsd PARAMS ((char *filename)); |
| 115 | |
| 116 | static void |
| 117 | print_object_filename_sysv PARAMS ((char *filename)); |
| 118 | |
| 119 | static void |
| 120 | print_object_filename_posix PARAMS ((char *filename)); |
| 121 | |
| 122 | |
| 123 | static void |
| 124 | print_archive_filename_bsd PARAMS ((char *filename)); |
| 125 | |
| 126 | static void |
| 127 | print_archive_filename_sysv PARAMS ((char *filename)); |
| 128 | |
| 129 | static void |
| 130 | print_archive_filename_posix PARAMS ((char *filename)); |
| 131 | |
| 132 | |
| 133 | static void |
| 134 | print_archive_member_bsd PARAMS ((char *archive, CONST char *filename)); |
| 135 | |
| 136 | static void |
| 137 | print_archive_member_sysv PARAMS ((char *archive, CONST char *filename)); |
| 138 | |
| 139 | static void |
| 140 | print_archive_member_posix PARAMS ((char *archive, CONST char *filename)); |
| 141 | |
| 142 | |
| 143 | static void |
| 144 | print_symbol_filename_bsd PARAMS ((bfd * archive_bfd, bfd * abfd)); |
| 145 | |
| 146 | static void |
| 147 | print_symbol_filename_sysv PARAMS ((bfd * archive_bfd, bfd * abfd)); |
| 148 | |
| 149 | static void |
| 150 | print_symbol_filename_posix PARAMS ((bfd * archive_bfd, bfd * abfd)); |
| 151 | |
| 152 | |
| 153 | static void |
| 154 | print_value PARAMS ((bfd_vma)); |
| 155 | |
| 156 | static void |
| 157 | print_symbol_info_bsd PARAMS ((symbol_info * info, bfd * abfd)); |
| 158 | |
| 159 | static void |
| 160 | print_symbol_info_sysv PARAMS ((symbol_info * info, bfd * abfd)); |
| 161 | |
| 162 | static void |
| 163 | print_symbol_info_posix PARAMS ((symbol_info * info, bfd * abfd)); |
| 164 | |
| 165 | static void |
| 166 | get_relocs PARAMS ((bfd *, asection *, PTR)); |
| 167 | |
| 168 | /* Support for different output formats. */ |
| 169 | struct output_fns |
| 170 | { |
| 171 | /* Print the name of an object file given on the command line. */ |
| 172 | void (*print_object_filename) PARAMS ((char *filename)); |
| 173 | |
| 174 | /* Print the name of an archive file given on the command line. */ |
| 175 | void (*print_archive_filename) PARAMS ((char *filename)); |
| 176 | |
| 177 | /* Print the name of an archive member file. */ |
| 178 | void (*print_archive_member) PARAMS ((char *archive, CONST char *filename)); |
| 179 | |
| 180 | /* Print the name of the file (and archive, if there is one) |
| 181 | containing a symbol. */ |
| 182 | void (*print_symbol_filename) PARAMS ((bfd * archive_bfd, bfd * abfd)); |
| 183 | |
| 184 | /* Print a line of information about a symbol. */ |
| 185 | void (*print_symbol_info) PARAMS ((symbol_info * info, bfd * abfd)); |
| 186 | }; |
| 187 | static struct output_fns formats[] = |
| 188 | { |
| 189 | {print_object_filename_bsd, |
| 190 | print_archive_filename_bsd, |
| 191 | print_archive_member_bsd, |
| 192 | print_symbol_filename_bsd, |
| 193 | print_symbol_info_bsd}, |
| 194 | {print_object_filename_sysv, |
| 195 | print_archive_filename_sysv, |
| 196 | print_archive_member_sysv, |
| 197 | print_symbol_filename_sysv, |
| 198 | print_symbol_info_sysv}, |
| 199 | {print_object_filename_posix, |
| 200 | print_archive_filename_posix, |
| 201 | print_archive_member_posix, |
| 202 | print_symbol_filename_posix, |
| 203 | print_symbol_info_posix} |
| 204 | }; |
| 205 | |
| 206 | /* Indices in `formats'. */ |
| 207 | #define FORMAT_BSD 0 |
| 208 | #define FORMAT_SYSV 1 |
| 209 | #define FORMAT_POSIX 2 |
| 210 | #define FORMAT_DEFAULT FORMAT_BSD |
| 211 | |
| 212 | /* The output format to use. */ |
| 213 | static struct output_fns *format = &formats[FORMAT_DEFAULT]; |
| 214 | |
| 215 | |
| 216 | /* Command options. */ |
| 217 | |
| 218 | static int do_demangle = 0; /* Pretty print C++ symbol names. */ |
| 219 | static int external_only = 0; /* print external symbols only */ |
| 220 | static int defined_only = 0; /* Print defined symbols only */ |
| 221 | static int no_sort = 0; /* don't sort; print syms in order found */ |
| 222 | static int print_debug_syms = 0; /* print debugger-only symbols too */ |
| 223 | static int print_armap = 0; /* describe __.SYMDEF data in archive files. */ |
| 224 | static int reverse_sort = 0; /* sort in downward(alpha or numeric) order */ |
| 225 | static int sort_numerically = 0; /* sort in numeric rather than alpha order */ |
| 226 | static int sort_by_size = 0; /* sort by size of symbol */ |
| 227 | static int undefined_only = 0; /* print undefined symbols only */ |
| 228 | static int dynamic = 0; /* print dynamic symbols. */ |
| 229 | static int show_version = 0; /* show the version number */ |
| 230 | static int show_stats = 0; /* show statistics */ |
| 231 | static int line_numbers = 0; /* print line numbers for symbols */ |
| 232 | |
| 233 | /* When to print the names of files. Not mutually exclusive in SYSV format. */ |
| 234 | static int filename_per_file = 0; /* Once per file, on its own line. */ |
| 235 | static int filename_per_symbol = 0; /* Once per symbol, at start of line. */ |
| 236 | |
| 237 | /* Print formats for printing a symbol value. */ |
| 238 | #ifndef BFD64 |
| 239 | static char value_format[] = "%08lx"; |
| 240 | #else |
| 241 | #if BFD_HOST_64BIT_LONG |
| 242 | static char value_format[] = "%016lx"; |
| 243 | #else |
| 244 | /* We don't use value_format for this case. */ |
| 245 | #endif |
| 246 | #endif |
| 247 | static int print_radix = 16; |
| 248 | /* Print formats for printing stab info. */ |
| 249 | static char other_format[] = "%02x"; |
| 250 | static char desc_format[] = "%04x"; |
| 251 | |
| 252 | static char *target = NULL; |
| 253 | |
| 254 | /* Used to cache the line numbers for a BFD. */ |
| 255 | static bfd *lineno_cache_bfd; |
| 256 | static bfd *lineno_cache_rel_bfd; |
| 257 | |
| 258 | #define OPTION_TARGET 200 |
| 259 | |
| 260 | static struct option long_options[] = |
| 261 | { |
| 262 | {"debug-syms", no_argument, &print_debug_syms, 1}, |
| 263 | {"demangle", optional_argument, 0, 'C'}, |
| 264 | {"dynamic", no_argument, &dynamic, 1}, |
| 265 | {"extern-only", no_argument, &external_only, 1}, |
| 266 | {"format", required_argument, 0, 'f'}, |
| 267 | {"help", no_argument, 0, 'h'}, |
| 268 | {"line-numbers", no_argument, 0, 'l'}, |
| 269 | {"no-cplus", no_argument, &do_demangle, 0}, /* Linux compatibility. */ |
| 270 | {"no-demangle", no_argument, &do_demangle, 0}, |
| 271 | {"no-sort", no_argument, &no_sort, 1}, |
| 272 | {"numeric-sort", no_argument, &sort_numerically, 1}, |
| 273 | {"portability", no_argument, 0, 'P'}, |
| 274 | {"print-armap", no_argument, &print_armap, 1}, |
| 275 | {"print-file-name", no_argument, 0, 'o'}, |
| 276 | {"radix", required_argument, 0, 't'}, |
| 277 | {"reverse-sort", no_argument, &reverse_sort, 1}, |
| 278 | {"size-sort", no_argument, &sort_by_size, 1}, |
| 279 | {"stats", no_argument, &show_stats, 1}, |
| 280 | {"target", required_argument, 0, OPTION_TARGET}, |
| 281 | {"defined-only", no_argument, &defined_only, 1}, |
| 282 | {"undefined-only", no_argument, &undefined_only, 1}, |
| 283 | {"version", no_argument, &show_version, 1}, |
| 284 | {0, no_argument, 0, 0} |
| 285 | }; |
| 286 | \f |
| 287 | /* Some error-reporting functions */ |
| 288 | |
| 289 | static void |
| 290 | usage (stream, status) |
| 291 | FILE *stream; |
| 292 | int status; |
| 293 | { |
| 294 | fprintf (stream, _("Usage: %s [OPTION]... [FILE]...\n"), program_name); |
| 295 | fprintf (stream, _("List symbols from FILEs (a.out by default).\n")); |
| 296 | fprintf (stream, _("\n\ |
| 297 | -a, --debug-syms Display debugger-only symbols\n\ |
| 298 | -A, --print-file-name Print name of the input file before every symbol\n\ |
| 299 | -B Same as --format=bsd\n\ |
| 300 | -C, --demangle[=STYLE] Decode low-level symbol names into user-level names\n\ |
| 301 | The STYLE, if specified, can be `auto' (the default),\n\ |
| 302 | `gnu', 'lucid', 'arm', 'hp', 'edg' or 'gnu-new-abi'\n\ |
| 303 | --no-demangle Do not demangle low-level symbol names\n\ |
| 304 | -D, --dynamic Display dynamic symbols instead of normal symbols\n\ |
| 305 | --defined-only Display only defined symbols\n\ |
| 306 | -e (ignored)\n\ |
| 307 | -f, --format=FORMAT Use the output format FORMAT. FORMAT can be `bsd',\n\ |
| 308 | `sysv' or `posix'. The default is `bsd'\n\ |
| 309 | -g, --extern-only Display only external symbols\n\ |
| 310 | -h, --help Display this information\n\ |
| 311 | -l, --line-numbers Use debugging information to find a filename and\n\ |
| 312 | line number for each symbol\n\ |
| 313 | -n, --numeric-sort Sort symbols numerically by address\n\ |
| 314 | -o Same as -A\n\ |
| 315 | -p, --no-sort Do not sort the symbols\n\ |
| 316 | -P, --portability Same as --format=posix\n\ |
| 317 | -r, --reverse-sort Reverse the sense of the sort\n\ |
| 318 | -s, --print-armap Include index for symbols from archive members\n\ |
| 319 | --size-sort Sort symbols by size\n\ |
| 320 | -t, --radix=RADIX Use RADIX for printing symbol values\n\ |
| 321 | --target=BFDNAME Specify the target object format as BFDNAME\n\ |
| 322 | -u, --undefined-only Display only undefined symbols\n\ |
| 323 | -V, --version Display this program's version number\n\ |
| 324 | \n")); |
| 325 | list_supported_targets (program_name, stream); |
| 326 | if (status == 0) |
| 327 | fprintf (stream, _("Report bugs to %s.\n"), REPORT_BUGS_TO); |
| 328 | exit (status); |
| 329 | } |
| 330 | |
| 331 | /* Set the radix for the symbol value and size according to RADIX. */ |
| 332 | |
| 333 | static void |
| 334 | set_print_radix (radix) |
| 335 | char *radix; |
| 336 | { |
| 337 | switch (*radix) |
| 338 | { |
| 339 | case 'x': |
| 340 | break; |
| 341 | case 'd': |
| 342 | case 'o': |
| 343 | if (*radix == 'd') |
| 344 | print_radix = 10; |
| 345 | else |
| 346 | print_radix = 8; |
| 347 | #ifndef BFD64 |
| 348 | value_format[4] = *radix; |
| 349 | #else |
| 350 | #if BFD_HOST_64BIT_LONG |
| 351 | value_format[5] = *radix; |
| 352 | #else |
| 353 | /* This case requires special handling for octal and decimal |
| 354 | printing. */ |
| 355 | #endif |
| 356 | #endif |
| 357 | other_format[3] = desc_format[3] = *radix; |
| 358 | break; |
| 359 | default: |
| 360 | fatal (_("%s: invalid radix"), radix); |
| 361 | } |
| 362 | } |
| 363 | |
| 364 | static void |
| 365 | set_output_format (f) |
| 366 | char *f; |
| 367 | { |
| 368 | int i; |
| 369 | |
| 370 | switch (*f) |
| 371 | { |
| 372 | case 'b': |
| 373 | case 'B': |
| 374 | i = FORMAT_BSD; |
| 375 | break; |
| 376 | case 'p': |
| 377 | case 'P': |
| 378 | i = FORMAT_POSIX; |
| 379 | break; |
| 380 | case 's': |
| 381 | case 'S': |
| 382 | i = FORMAT_SYSV; |
| 383 | break; |
| 384 | default: |
| 385 | fatal (_("%s: invalid output format"), f); |
| 386 | } |
| 387 | format = &formats[i]; |
| 388 | } |
| 389 | \f |
| 390 | int |
| 391 | main (argc, argv) |
| 392 | int argc; |
| 393 | char **argv; |
| 394 | { |
| 395 | int c; |
| 396 | int retval; |
| 397 | |
| 398 | #if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES) |
| 399 | setlocale (LC_MESSAGES, ""); |
| 400 | #endif |
| 401 | bindtextdomain (PACKAGE, LOCALEDIR); |
| 402 | textdomain (PACKAGE); |
| 403 | |
| 404 | program_name = *argv; |
| 405 | xmalloc_set_program_name (program_name); |
| 406 | |
| 407 | START_PROGRESS (program_name, 0); |
| 408 | |
| 409 | bfd_init (); |
| 410 | set_default_bfd_target (); |
| 411 | |
| 412 | while ((c = getopt_long (argc, argv, "aABCDef:glnopPrst:uvV", |
| 413 | long_options, (int *) 0)) != EOF) |
| 414 | { |
| 415 | switch (c) |
| 416 | { |
| 417 | case 'a': |
| 418 | print_debug_syms = 1; |
| 419 | break; |
| 420 | case 'A': |
| 421 | case 'o': |
| 422 | filename_per_symbol = 1; |
| 423 | break; |
| 424 | case 'B': /* For MIPS compatibility. */ |
| 425 | set_output_format ("bsd"); |
| 426 | break; |
| 427 | case 'C': |
| 428 | do_demangle = 1; |
| 429 | if (optarg != NULL) |
| 430 | { |
| 431 | enum demangling_styles style; |
| 432 | |
| 433 | style = cplus_demangle_name_to_style (optarg); |
| 434 | if (style == unknown_demangling) |
| 435 | fatal (_("unknown demangling style `%s'"), |
| 436 | optarg); |
| 437 | |
| 438 | cplus_demangle_set_style (style); |
| 439 | } |
| 440 | break; |
| 441 | case 'D': |
| 442 | dynamic = 1; |
| 443 | break; |
| 444 | case 'e': |
| 445 | /* Ignored for HP/UX compatibility. */ |
| 446 | break; |
| 447 | case 'f': |
| 448 | set_output_format (optarg); |
| 449 | break; |
| 450 | case 'g': |
| 451 | external_only = 1; |
| 452 | break; |
| 453 | case 'h': |
| 454 | usage (stdout, 0); |
| 455 | case 'l': |
| 456 | line_numbers = 1; |
| 457 | break; |
| 458 | case 'n': |
| 459 | case 'v': |
| 460 | sort_numerically = 1; |
| 461 | break; |
| 462 | case 'p': |
| 463 | no_sort = 1; |
| 464 | break; |
| 465 | case 'P': |
| 466 | set_output_format ("posix"); |
| 467 | break; |
| 468 | case 'r': |
| 469 | reverse_sort = 1; |
| 470 | break; |
| 471 | case 's': |
| 472 | print_armap = 1; |
| 473 | break; |
| 474 | case 't': |
| 475 | set_print_radix (optarg); |
| 476 | break; |
| 477 | case 'u': |
| 478 | undefined_only = 1; |
| 479 | break; |
| 480 | case 'V': |
| 481 | show_version = 1; |
| 482 | break; |
| 483 | |
| 484 | case OPTION_TARGET: /* --target */ |
| 485 | target = optarg; |
| 486 | break; |
| 487 | |
| 488 | case 0: /* A long option that just sets a flag. */ |
| 489 | break; |
| 490 | |
| 491 | default: |
| 492 | usage (stderr, 1); |
| 493 | } |
| 494 | } |
| 495 | |
| 496 | if (show_version) |
| 497 | print_version ("nm"); |
| 498 | |
| 499 | /* OK, all options now parsed. If no filename specified, do a.out. */ |
| 500 | if (optind == argc) |
| 501 | return !display_file ("a.out"); |
| 502 | |
| 503 | retval = 0; |
| 504 | |
| 505 | if (argc - optind > 1) |
| 506 | filename_per_file = 1; |
| 507 | |
| 508 | /* We were given several filenames to do. */ |
| 509 | while (optind < argc) |
| 510 | { |
| 511 | PROGRESS (1); |
| 512 | if (!display_file (argv[optind++])) |
| 513 | retval++; |
| 514 | } |
| 515 | |
| 516 | END_PROGRESS (program_name); |
| 517 | |
| 518 | #ifdef HAVE_SBRK |
| 519 | if (show_stats) |
| 520 | { |
| 521 | char *lim = (char *) sbrk (0); |
| 522 | |
| 523 | non_fatal (_("data size %ld"), (long) (lim - (char *) &environ)); |
| 524 | } |
| 525 | #endif |
| 526 | |
| 527 | exit (retval); |
| 528 | return retval; |
| 529 | } |
| 530 | \f |
| 531 | static void |
| 532 | display_archive (file) |
| 533 | bfd *file; |
| 534 | { |
| 535 | bfd *arfile = NULL; |
| 536 | bfd *last_arfile = NULL; |
| 537 | char **matching; |
| 538 | |
| 539 | (*format->print_archive_filename) (bfd_get_filename (file)); |
| 540 | |
| 541 | if (print_armap) |
| 542 | print_symdef_entry (file); |
| 543 | |
| 544 | for (;;) |
| 545 | { |
| 546 | PROGRESS (1); |
| 547 | |
| 548 | arfile = bfd_openr_next_archived_file (file, arfile); |
| 549 | |
| 550 | if (arfile == NULL) |
| 551 | { |
| 552 | if (bfd_get_error () != bfd_error_no_more_archived_files) |
| 553 | bfd_fatal (bfd_get_filename (file)); |
| 554 | break; |
| 555 | } |
| 556 | |
| 557 | if (bfd_check_format_matches (arfile, bfd_object, &matching)) |
| 558 | { |
| 559 | (*format->print_archive_member) (bfd_get_filename (file), |
| 560 | bfd_get_filename (arfile)); |
| 561 | display_rel_file (arfile, file); |
| 562 | } |
| 563 | else |
| 564 | { |
| 565 | bfd_nonfatal (bfd_get_filename (arfile)); |
| 566 | if (bfd_get_error () == bfd_error_file_ambiguously_recognized) |
| 567 | { |
| 568 | list_matching_formats (matching); |
| 569 | free (matching); |
| 570 | } |
| 571 | } |
| 572 | |
| 573 | if (last_arfile != NULL) |
| 574 | { |
| 575 | bfd_close (last_arfile); |
| 576 | lineno_cache_bfd = NULL; |
| 577 | lineno_cache_rel_bfd = NULL; |
| 578 | } |
| 579 | last_arfile = arfile; |
| 580 | } |
| 581 | |
| 582 | if (last_arfile != NULL) |
| 583 | { |
| 584 | bfd_close (last_arfile); |
| 585 | lineno_cache_bfd = NULL; |
| 586 | lineno_cache_rel_bfd = NULL; |
| 587 | } |
| 588 | } |
| 589 | |
| 590 | static boolean |
| 591 | display_file (filename) |
| 592 | char *filename; |
| 593 | { |
| 594 | boolean retval = true; |
| 595 | bfd *file; |
| 596 | char **matching; |
| 597 | |
| 598 | file = bfd_openr (filename, target); |
| 599 | if (file == NULL) |
| 600 | { |
| 601 | bfd_nonfatal (filename); |
| 602 | return false; |
| 603 | } |
| 604 | |
| 605 | if (bfd_check_format (file, bfd_archive)) |
| 606 | { |
| 607 | display_archive (file); |
| 608 | } |
| 609 | else if (bfd_check_format_matches (file, bfd_object, &matching)) |
| 610 | { |
| 611 | (*format->print_object_filename) (filename); |
| 612 | display_rel_file (file, NULL); |
| 613 | } |
| 614 | else |
| 615 | { |
| 616 | bfd_nonfatal (filename); |
| 617 | if (bfd_get_error () == bfd_error_file_ambiguously_recognized) |
| 618 | { |
| 619 | list_matching_formats (matching); |
| 620 | free (matching); |
| 621 | } |
| 622 | retval = false; |
| 623 | } |
| 624 | |
| 625 | if (bfd_close (file) == false) |
| 626 | bfd_fatal (filename); |
| 627 | |
| 628 | lineno_cache_bfd = NULL; |
| 629 | lineno_cache_rel_bfd = NULL; |
| 630 | |
| 631 | return retval; |
| 632 | } |
| 633 | \f |
| 634 | /* These globals are used to pass information into the sorting |
| 635 | routines. */ |
| 636 | static bfd *sort_bfd; |
| 637 | static boolean sort_dynamic; |
| 638 | static asymbol *sort_x; |
| 639 | static asymbol *sort_y; |
| 640 | |
| 641 | /* Symbol-sorting predicates */ |
| 642 | #define valueof(x) ((x)->section->vma + (x)->value) |
| 643 | |
| 644 | /* Numeric sorts. Undefined symbols are always considered "less than" |
| 645 | defined symbols with zero values. Common symbols are not treated |
| 646 | specially -- i.e., their sizes are used as their "values". */ |
| 647 | |
| 648 | static int |
| 649 | numeric_forward (P_x, P_y) |
| 650 | const PTR P_x; |
| 651 | const PTR P_y; |
| 652 | { |
| 653 | asymbol *x, *y; |
| 654 | asection *xs, *ys; |
| 655 | |
| 656 | x = bfd_minisymbol_to_symbol (sort_bfd, sort_dynamic, P_x, sort_x); |
| 657 | y = bfd_minisymbol_to_symbol (sort_bfd, sort_dynamic, P_y, sort_y); |
| 658 | if (x == NULL || y == NULL) |
| 659 | bfd_fatal (bfd_get_filename (sort_bfd)); |
| 660 | |
| 661 | xs = bfd_get_section (x); |
| 662 | ys = bfd_get_section (y); |
| 663 | |
| 664 | if (bfd_is_und_section (xs)) |
| 665 | { |
| 666 | if (! bfd_is_und_section (ys)) |
| 667 | return -1; |
| 668 | } |
| 669 | else if (bfd_is_und_section (ys)) |
| 670 | return 1; |
| 671 | else if (valueof (x) != valueof (y)) |
| 672 | return valueof (x) < valueof (y) ? -1 : 1; |
| 673 | |
| 674 | return non_numeric_forward (P_x, P_y); |
| 675 | } |
| 676 | |
| 677 | static int |
| 678 | numeric_reverse (x, y) |
| 679 | const PTR x; |
| 680 | const PTR y; |
| 681 | { |
| 682 | return - numeric_forward (x, y); |
| 683 | } |
| 684 | |
| 685 | static int |
| 686 | non_numeric_forward (P_x, P_y) |
| 687 | const PTR P_x; |
| 688 | const PTR P_y; |
| 689 | { |
| 690 | asymbol *x, *y; |
| 691 | const char *xn, *yn; |
| 692 | |
| 693 | x = bfd_minisymbol_to_symbol (sort_bfd, sort_dynamic, P_x, sort_x); |
| 694 | y = bfd_minisymbol_to_symbol (sort_bfd, sort_dynamic, P_y, sort_y); |
| 695 | if (x == NULL || y == NULL) |
| 696 | bfd_fatal (bfd_get_filename (sort_bfd)); |
| 697 | |
| 698 | xn = bfd_asymbol_name (x); |
| 699 | yn = bfd_asymbol_name (y); |
| 700 | |
| 701 | return ((xn == NULL) ? ((yn == NULL) ? 0 : -1) : |
| 702 | ((yn == NULL) ? 1 : strcmp (xn, yn))); |
| 703 | } |
| 704 | |
| 705 | static int |
| 706 | non_numeric_reverse (x, y) |
| 707 | const PTR x; |
| 708 | const PTR y; |
| 709 | { |
| 710 | return - non_numeric_forward (x, y); |
| 711 | } |
| 712 | |
| 713 | static int (*(sorters[2][2])) PARAMS ((const PTR, const PTR)) = |
| 714 | { |
| 715 | { non_numeric_forward, non_numeric_reverse }, |
| 716 | { numeric_forward, numeric_reverse } |
| 717 | }; |
| 718 | |
| 719 | /* This sort routine is used by sort_symbols_by_size. It is similar |
| 720 | to numeric_forward, but when symbols have the same value it sorts |
| 721 | by section VMA. This simplifies the sort_symbols_by_size code |
| 722 | which handles symbols at the end of sections. Also, this routine |
| 723 | tries to sort file names before other symbols with the same value. |
| 724 | That will make the file name have a zero size, which will make |
| 725 | sort_symbols_by_size choose the non file name symbol, leading to |
| 726 | more meaningful output. For similar reasons, this code sorts |
| 727 | gnu_compiled_* and gcc2_compiled before other symbols with the same |
| 728 | value. */ |
| 729 | |
| 730 | static int |
| 731 | size_forward1 (P_x, P_y) |
| 732 | const PTR P_x; |
| 733 | const PTR P_y; |
| 734 | { |
| 735 | asymbol *x, *y; |
| 736 | asection *xs, *ys; |
| 737 | const char *xn, *yn; |
| 738 | size_t xnl, ynl; |
| 739 | int xf, yf; |
| 740 | |
| 741 | x = bfd_minisymbol_to_symbol (sort_bfd, sort_dynamic, P_x, sort_x); |
| 742 | y = bfd_minisymbol_to_symbol (sort_bfd, sort_dynamic, P_y, sort_y); |
| 743 | if (x == NULL || y == NULL) |
| 744 | bfd_fatal (bfd_get_filename (sort_bfd)); |
| 745 | |
| 746 | xs = bfd_get_section (x); |
| 747 | ys = bfd_get_section (y); |
| 748 | |
| 749 | if (bfd_is_und_section (xs)) |
| 750 | abort (); |
| 751 | if (bfd_is_und_section (ys)) |
| 752 | abort (); |
| 753 | |
| 754 | if (valueof (x) != valueof (y)) |
| 755 | return valueof (x) < valueof (y) ? -1 : 1; |
| 756 | |
| 757 | if (xs->vma != ys->vma) |
| 758 | return xs->vma < ys->vma ? -1 : 1; |
| 759 | |
| 760 | xn = bfd_asymbol_name (x); |
| 761 | yn = bfd_asymbol_name (y); |
| 762 | xnl = strlen (xn); |
| 763 | ynl = strlen (yn); |
| 764 | |
| 765 | /* The symbols gnu_compiled and gcc2_compiled convey even less |
| 766 | information than the file name, so sort them out first. */ |
| 767 | |
| 768 | xf = (strstr (xn, "gnu_compiled") != NULL |
| 769 | || strstr (xn, "gcc2_compiled") != NULL); |
| 770 | yf = (strstr (yn, "gnu_compiled") != NULL |
| 771 | || strstr (yn, "gcc2_compiled") != NULL); |
| 772 | |
| 773 | if (xf && ! yf) |
| 774 | return -1; |
| 775 | if (! xf && yf) |
| 776 | return 1; |
| 777 | |
| 778 | /* We use a heuristic for the file name. It may not work on non |
| 779 | Unix systems, but it doesn't really matter; the only difference |
| 780 | is precisely which symbol names get printed. */ |
| 781 | |
| 782 | #define file_symbol(s, sn, snl) \ |
| 783 | (((s)->flags & BSF_FILE) != 0 \ |
| 784 | || ((sn)[(snl) - 2] == '.' \ |
| 785 | && ((sn)[(snl) - 1] == 'o' \ |
| 786 | || (sn)[(snl) - 1] == 'a'))) |
| 787 | |
| 788 | xf = file_symbol (x, xn, xnl); |
| 789 | yf = file_symbol (y, yn, ynl); |
| 790 | |
| 791 | if (xf && ! yf) |
| 792 | return -1; |
| 793 | if (! xf && yf) |
| 794 | return 1; |
| 795 | |
| 796 | return non_numeric_forward (P_x, P_y); |
| 797 | } |
| 798 | |
| 799 | /* This sort routine is used by sort_symbols_by_size. It is sorting |
| 800 | an array of size_sym structures into size order. */ |
| 801 | |
| 802 | static int |
| 803 | size_forward2 (P_x, P_y) |
| 804 | const PTR P_x; |
| 805 | const PTR P_y; |
| 806 | { |
| 807 | const struct size_sym *x = (const struct size_sym *) P_x; |
| 808 | const struct size_sym *y = (const struct size_sym *) P_y; |
| 809 | |
| 810 | if (x->size < y->size) |
| 811 | return reverse_sort ? 1 : -1; |
| 812 | else if (x->size > y->size) |
| 813 | return reverse_sort ? -1 : 1; |
| 814 | else |
| 815 | return sorters[0][reverse_sort] (x->minisym, y->minisym); |
| 816 | } |
| 817 | |
| 818 | /* Sort the symbols by size. We guess the size by assuming that the |
| 819 | difference between the address of a symbol and the address of the |
| 820 | next higher symbol is the size. FIXME: ELF actually stores a size |
| 821 | with each symbol. We should use it. */ |
| 822 | |
| 823 | static long |
| 824 | sort_symbols_by_size (abfd, dynamic, minisyms, symcount, size, symsizesp) |
| 825 | bfd *abfd; |
| 826 | boolean dynamic; |
| 827 | PTR minisyms; |
| 828 | long symcount; |
| 829 | unsigned int size; |
| 830 | struct size_sym **symsizesp; |
| 831 | { |
| 832 | struct size_sym *symsizes; |
| 833 | bfd_byte *from, *fromend; |
| 834 | asymbol *sym = NULL; |
| 835 | asymbol *store_sym, *store_next; |
| 836 | |
| 837 | qsort (minisyms, symcount, size, size_forward1); |
| 838 | |
| 839 | /* We are going to return a special set of symbols and sizes to |
| 840 | print. */ |
| 841 | symsizes = (struct size_sym *) xmalloc (symcount * sizeof (struct size_sym)); |
| 842 | *symsizesp = symsizes; |
| 843 | |
| 844 | /* Note that filter_symbols has already removed all absolute and |
| 845 | undefined symbols. Here we remove all symbols whose size winds |
| 846 | up as zero. */ |
| 847 | |
| 848 | from = (bfd_byte *) minisyms; |
| 849 | fromend = from + symcount * size; |
| 850 | |
| 851 | store_sym = sort_x; |
| 852 | store_next = sort_y; |
| 853 | |
| 854 | if (from < fromend) |
| 855 | { |
| 856 | sym = bfd_minisymbol_to_symbol (abfd, dynamic, (const PTR) from, |
| 857 | store_sym); |
| 858 | if (sym == NULL) |
| 859 | bfd_fatal (bfd_get_filename (abfd)); |
| 860 | } |
| 861 | |
| 862 | for (; from < fromend; from += size) |
| 863 | { |
| 864 | asymbol *next; |
| 865 | asection *sec; |
| 866 | bfd_vma sz; |
| 867 | asymbol *temp; |
| 868 | |
| 869 | if (from + size < fromend) |
| 870 | { |
| 871 | next = bfd_minisymbol_to_symbol (abfd, |
| 872 | dynamic, |
| 873 | (const PTR) (from + size), |
| 874 | store_next); |
| 875 | if (next == NULL) |
| 876 | bfd_fatal (bfd_get_filename (abfd)); |
| 877 | } |
| 878 | else |
| 879 | next = NULL; |
| 880 | |
| 881 | sec = bfd_get_section (sym); |
| 882 | |
| 883 | if (bfd_is_com_section (sec)) |
| 884 | sz = sym->value; |
| 885 | else |
| 886 | { |
| 887 | if (from + size < fromend |
| 888 | && sec == bfd_get_section (next)) |
| 889 | sz = valueof (next) - valueof (sym); |
| 890 | else |
| 891 | sz = (bfd_get_section_vma (abfd, sec) |
| 892 | + bfd_section_size (abfd, sec) |
| 893 | - valueof (sym)); |
| 894 | } |
| 895 | |
| 896 | if (sz != 0) |
| 897 | { |
| 898 | symsizes->minisym = (const PTR) from; |
| 899 | symsizes->size = sz; |
| 900 | ++symsizes; |
| 901 | } |
| 902 | |
| 903 | sym = next; |
| 904 | |
| 905 | temp = store_sym; |
| 906 | store_sym = store_next; |
| 907 | store_next = temp; |
| 908 | } |
| 909 | |
| 910 | symcount = symsizes - *symsizesp; |
| 911 | |
| 912 | /* We must now sort again by size. */ |
| 913 | qsort ((PTR) *symsizesp, symcount, sizeof (struct size_sym), size_forward2); |
| 914 | |
| 915 | return symcount; |
| 916 | } |
| 917 | \f |
| 918 | /* If ARCHIVE_BFD is non-NULL, it is the archive containing ABFD. */ |
| 919 | |
| 920 | static void |
| 921 | display_rel_file (abfd, archive_bfd) |
| 922 | bfd *abfd; |
| 923 | bfd *archive_bfd; |
| 924 | { |
| 925 | long symcount; |
| 926 | PTR minisyms; |
| 927 | unsigned int size; |
| 928 | struct size_sym *symsizes; |
| 929 | |
| 930 | if (! dynamic) |
| 931 | { |
| 932 | if (!(bfd_get_file_flags (abfd) & HAS_SYMS)) |
| 933 | { |
| 934 | non_fatal (_("%s: no symbols"), bfd_get_filename (abfd)); |
| 935 | return; |
| 936 | } |
| 937 | } |
| 938 | |
| 939 | symcount = bfd_read_minisymbols (abfd, dynamic, &minisyms, &size); |
| 940 | if (symcount < 0) |
| 941 | bfd_fatal (bfd_get_filename (abfd)); |
| 942 | |
| 943 | if (symcount == 0) |
| 944 | { |
| 945 | non_fatal (_("%s: no symbols"), bfd_get_filename (abfd)); |
| 946 | return; |
| 947 | } |
| 948 | |
| 949 | /* Discard the symbols we don't want to print. |
| 950 | It's OK to do this in place; we'll free the storage anyway |
| 951 | (after printing). */ |
| 952 | |
| 953 | symcount = filter_symbols (abfd, dynamic, minisyms, symcount, size); |
| 954 | |
| 955 | symsizes = NULL; |
| 956 | if (! no_sort) |
| 957 | { |
| 958 | sort_bfd = abfd; |
| 959 | sort_dynamic = dynamic; |
| 960 | sort_x = bfd_make_empty_symbol (abfd); |
| 961 | sort_y = bfd_make_empty_symbol (abfd); |
| 962 | if (sort_x == NULL || sort_y == NULL) |
| 963 | bfd_fatal (bfd_get_filename (abfd)); |
| 964 | |
| 965 | if (! sort_by_size) |
| 966 | qsort (minisyms, symcount, size, |
| 967 | sorters[sort_numerically][reverse_sort]); |
| 968 | else |
| 969 | symcount = sort_symbols_by_size (abfd, dynamic, minisyms, symcount, |
| 970 | size, &symsizes); |
| 971 | } |
| 972 | |
| 973 | if (! sort_by_size) |
| 974 | print_symbols (abfd, dynamic, minisyms, symcount, size, archive_bfd); |
| 975 | else |
| 976 | print_size_symbols (abfd, dynamic, symsizes, symcount, archive_bfd); |
| 977 | |
| 978 | free (minisyms); |
| 979 | } |
| 980 | \f |
| 981 | /* Choose which symbol entries to print; |
| 982 | compact them downward to get rid of the rest. |
| 983 | Return the number of symbols to be printed. */ |
| 984 | |
| 985 | static long |
| 986 | filter_symbols (abfd, dynamic, minisyms, symcount, size) |
| 987 | bfd *abfd; |
| 988 | boolean dynamic; |
| 989 | PTR minisyms; |
| 990 | long symcount; |
| 991 | unsigned int size; |
| 992 | { |
| 993 | bfd_byte *from, *fromend, *to; |
| 994 | asymbol *store; |
| 995 | |
| 996 | store = bfd_make_empty_symbol (abfd); |
| 997 | if (store == NULL) |
| 998 | bfd_fatal (bfd_get_filename (abfd)); |
| 999 | |
| 1000 | from = (bfd_byte *) minisyms; |
| 1001 | fromend = from + symcount * size; |
| 1002 | to = (bfd_byte *) minisyms; |
| 1003 | |
| 1004 | for (; from < fromend; from += size) |
| 1005 | { |
| 1006 | int keep = 0; |
| 1007 | asymbol *sym; |
| 1008 | |
| 1009 | PROGRESS (1); |
| 1010 | |
| 1011 | sym = bfd_minisymbol_to_symbol (abfd, dynamic, (const PTR) from, store); |
| 1012 | if (sym == NULL) |
| 1013 | bfd_fatal (bfd_get_filename (abfd)); |
| 1014 | |
| 1015 | if (undefined_only) |
| 1016 | keep = bfd_is_und_section (sym->section); |
| 1017 | else if (external_only) |
| 1018 | keep = ((sym->flags & BSF_GLOBAL) != 0 |
| 1019 | || (sym->flags & BSF_WEAK) != 0 |
| 1020 | || bfd_is_und_section (sym->section) |
| 1021 | || bfd_is_com_section (sym->section)); |
| 1022 | else |
| 1023 | keep = 1; |
| 1024 | |
| 1025 | if (keep |
| 1026 | && ! print_debug_syms |
| 1027 | && (sym->flags & BSF_DEBUGGING) != 0) |
| 1028 | keep = 0; |
| 1029 | |
| 1030 | if (keep |
| 1031 | && sort_by_size |
| 1032 | && (bfd_is_abs_section (sym->section) |
| 1033 | || bfd_is_und_section (sym->section))) |
| 1034 | keep = 0; |
| 1035 | |
| 1036 | if (keep |
| 1037 | && defined_only) |
| 1038 | { |
| 1039 | if (bfd_is_und_section (sym->section)) |
| 1040 | keep = 0; |
| 1041 | } |
| 1042 | |
| 1043 | if (keep) |
| 1044 | { |
| 1045 | memcpy (to, from, size); |
| 1046 | to += size; |
| 1047 | } |
| 1048 | } |
| 1049 | |
| 1050 | return (to - (bfd_byte *) minisyms) / size; |
| 1051 | } |
| 1052 | \f |
| 1053 | /* Print symbol name NAME, read from ABFD, with printf format FORMAT, |
| 1054 | demangling it if requested. */ |
| 1055 | |
| 1056 | static void |
| 1057 | print_symname (format, name, abfd) |
| 1058 | const char *format; |
| 1059 | const char *name; |
| 1060 | bfd *abfd; |
| 1061 | { |
| 1062 | if (do_demangle && *name) |
| 1063 | { |
| 1064 | char *res; |
| 1065 | |
| 1066 | /* In this mode, give a user-level view of the symbol name |
| 1067 | even if it's not mangled; strip off any leading |
| 1068 | underscore. */ |
| 1069 | if (bfd_get_symbol_leading_char (abfd) == name[0]) |
| 1070 | name++; |
| 1071 | |
| 1072 | res = cplus_demangle (name, DMGL_ANSI | DMGL_PARAMS); |
| 1073 | if (res) |
| 1074 | { |
| 1075 | printf (format, res); |
| 1076 | free (res); |
| 1077 | return; |
| 1078 | } |
| 1079 | } |
| 1080 | |
| 1081 | printf (format, name); |
| 1082 | } |
| 1083 | |
| 1084 | /* Print the symbols. If ARCHIVE_BFD is non-NULL, it is the archive |
| 1085 | containing ABFD. */ |
| 1086 | |
| 1087 | static void |
| 1088 | print_symbols (abfd, dynamic, minisyms, symcount, size, archive_bfd) |
| 1089 | bfd *abfd; |
| 1090 | boolean dynamic; |
| 1091 | PTR minisyms; |
| 1092 | long symcount; |
| 1093 | unsigned int size; |
| 1094 | bfd *archive_bfd; |
| 1095 | { |
| 1096 | asymbol *store; |
| 1097 | bfd_byte *from, *fromend; |
| 1098 | |
| 1099 | store = bfd_make_empty_symbol (abfd); |
| 1100 | if (store == NULL) |
| 1101 | bfd_fatal (bfd_get_filename (abfd)); |
| 1102 | |
| 1103 | from = (bfd_byte *) minisyms; |
| 1104 | fromend = from + symcount * size; |
| 1105 | for (; from < fromend; from += size) |
| 1106 | { |
| 1107 | asymbol *sym; |
| 1108 | |
| 1109 | sym = bfd_minisymbol_to_symbol (abfd, dynamic, from, store); |
| 1110 | if (sym == NULL) |
| 1111 | bfd_fatal (bfd_get_filename (abfd)); |
| 1112 | |
| 1113 | print_symbol (abfd, sym, archive_bfd); |
| 1114 | } |
| 1115 | } |
| 1116 | |
| 1117 | /* Print the symbols when sorting by size. */ |
| 1118 | |
| 1119 | static void |
| 1120 | print_size_symbols (abfd, dynamic, symsizes, symcount, archive_bfd) |
| 1121 | bfd *abfd; |
| 1122 | boolean dynamic; |
| 1123 | struct size_sym *symsizes; |
| 1124 | long symcount; |
| 1125 | bfd *archive_bfd; |
| 1126 | { |
| 1127 | asymbol *store; |
| 1128 | struct size_sym *from, *fromend; |
| 1129 | |
| 1130 | store = bfd_make_empty_symbol (abfd); |
| 1131 | if (store == NULL) |
| 1132 | bfd_fatal (bfd_get_filename (abfd)); |
| 1133 | |
| 1134 | from = symsizes; |
| 1135 | fromend = from + symcount; |
| 1136 | for (; from < fromend; from++) |
| 1137 | { |
| 1138 | asymbol *sym; |
| 1139 | |
| 1140 | sym = bfd_minisymbol_to_symbol (abfd, dynamic, from->minisym, store); |
| 1141 | if (sym == NULL) |
| 1142 | bfd_fatal (bfd_get_filename (abfd)); |
| 1143 | |
| 1144 | /* Set the symbol value so that we actually display the symbol |
| 1145 | size. */ |
| 1146 | sym->value = from->size - bfd_section_vma (abfd, bfd_get_section (sym)); |
| 1147 | |
| 1148 | print_symbol (abfd, sym, archive_bfd); |
| 1149 | } |
| 1150 | } |
| 1151 | |
| 1152 | /* Print a single symbol. */ |
| 1153 | |
| 1154 | static void |
| 1155 | print_symbol (abfd, sym, archive_bfd) |
| 1156 | bfd *abfd; |
| 1157 | asymbol *sym; |
| 1158 | bfd *archive_bfd; |
| 1159 | { |
| 1160 | PROGRESS (1); |
| 1161 | |
| 1162 | (*format->print_symbol_filename) (archive_bfd, abfd); |
| 1163 | |
| 1164 | if (undefined_only) |
| 1165 | { |
| 1166 | if (bfd_is_und_section (bfd_get_section (sym))) |
| 1167 | print_symname ("%s", bfd_asymbol_name (sym), abfd); |
| 1168 | } |
| 1169 | else |
| 1170 | { |
| 1171 | symbol_info syminfo; |
| 1172 | |
| 1173 | bfd_get_symbol_info (abfd, sym, &syminfo); |
| 1174 | (*format->print_symbol_info) (&syminfo, abfd); |
| 1175 | } |
| 1176 | |
| 1177 | if (line_numbers) |
| 1178 | { |
| 1179 | static asymbol **syms; |
| 1180 | static long symcount; |
| 1181 | const char *filename, *functionname; |
| 1182 | unsigned int lineno; |
| 1183 | |
| 1184 | /* We need to get the canonical symbols in order to call |
| 1185 | bfd_find_nearest_line. This is inefficient, but, then, you |
| 1186 | don't have to use --line-numbers. */ |
| 1187 | if (abfd != lineno_cache_bfd && syms != NULL) |
| 1188 | { |
| 1189 | free (syms); |
| 1190 | syms = NULL; |
| 1191 | } |
| 1192 | if (syms == NULL) |
| 1193 | { |
| 1194 | long symsize; |
| 1195 | |
| 1196 | symsize = bfd_get_symtab_upper_bound (abfd); |
| 1197 | if (symsize < 0) |
| 1198 | bfd_fatal (bfd_get_filename (abfd)); |
| 1199 | syms = (asymbol **) xmalloc (symsize); |
| 1200 | symcount = bfd_canonicalize_symtab (abfd, syms); |
| 1201 | if (symcount < 0) |
| 1202 | bfd_fatal (bfd_get_filename (abfd)); |
| 1203 | lineno_cache_bfd = abfd; |
| 1204 | } |
| 1205 | |
| 1206 | if (bfd_is_und_section (bfd_get_section (sym))) |
| 1207 | { |
| 1208 | static asection **secs; |
| 1209 | static arelent ***relocs; |
| 1210 | static long *relcount; |
| 1211 | static unsigned int seccount; |
| 1212 | unsigned int i; |
| 1213 | const char *symname; |
| 1214 | |
| 1215 | /* For an undefined symbol, we try to find a reloc for the |
| 1216 | symbol, and print the line number of the reloc. */ |
| 1217 | |
| 1218 | if (abfd != lineno_cache_rel_bfd && relocs != NULL) |
| 1219 | { |
| 1220 | for (i = 0; i < seccount; i++) |
| 1221 | if (relocs[i] != NULL) |
| 1222 | free (relocs[i]); |
| 1223 | free (secs); |
| 1224 | free (relocs); |
| 1225 | free (relcount); |
| 1226 | secs = NULL; |
| 1227 | relocs = NULL; |
| 1228 | relcount = NULL; |
| 1229 | } |
| 1230 | |
| 1231 | if (relocs == NULL) |
| 1232 | { |
| 1233 | struct get_relocs_info info; |
| 1234 | |
| 1235 | seccount = bfd_count_sections (abfd); |
| 1236 | |
| 1237 | secs = (asection **) xmalloc (seccount * sizeof *secs); |
| 1238 | relocs = (arelent ***) xmalloc (seccount * sizeof *relocs); |
| 1239 | relcount = (long *) xmalloc (seccount * sizeof *relcount); |
| 1240 | |
| 1241 | info.secs = secs; |
| 1242 | info.relocs = relocs; |
| 1243 | info.relcount = relcount; |
| 1244 | info.syms = syms; |
| 1245 | bfd_map_over_sections (abfd, get_relocs, (PTR) &info); |
| 1246 | lineno_cache_rel_bfd = abfd; |
| 1247 | } |
| 1248 | |
| 1249 | symname = bfd_asymbol_name (sym); |
| 1250 | for (i = 0; i < seccount; i++) |
| 1251 | { |
| 1252 | long j; |
| 1253 | |
| 1254 | for (j = 0; j < relcount[i]; j++) |
| 1255 | { |
| 1256 | arelent *r; |
| 1257 | |
| 1258 | r = relocs[i][j]; |
| 1259 | if (r->sym_ptr_ptr != NULL |
| 1260 | && (*r->sym_ptr_ptr)->section == sym->section |
| 1261 | && (*r->sym_ptr_ptr)->value == sym->value |
| 1262 | && strcmp (symname, |
| 1263 | bfd_asymbol_name (*r->sym_ptr_ptr)) == 0 |
| 1264 | && bfd_find_nearest_line (abfd, secs[i], syms, |
| 1265 | r->address, &filename, |
| 1266 | &functionname, &lineno)) |
| 1267 | { |
| 1268 | /* We only print the first one we find. */ |
| 1269 | printf ("\t%s:%u", filename, lineno); |
| 1270 | i = seccount; |
| 1271 | break; |
| 1272 | } |
| 1273 | } |
| 1274 | } |
| 1275 | } |
| 1276 | else if (bfd_get_section (sym)->owner == abfd) |
| 1277 | { |
| 1278 | if (bfd_find_nearest_line (abfd, bfd_get_section (sym), syms, |
| 1279 | sym->value, &filename, &functionname, |
| 1280 | &lineno) |
| 1281 | && filename != NULL |
| 1282 | && lineno != 0) |
| 1283 | { |
| 1284 | printf ("\t%s:%u", filename, lineno); |
| 1285 | } |
| 1286 | } |
| 1287 | } |
| 1288 | |
| 1289 | putchar ('\n'); |
| 1290 | } |
| 1291 | \f |
| 1292 | /* The following 3 groups of functions are called unconditionally, |
| 1293 | once at the start of processing each file of the appropriate type. |
| 1294 | They should check `filename_per_file' and `filename_per_symbol', |
| 1295 | as appropriate for their output format, to determine whether to |
| 1296 | print anything. */ |
| 1297 | \f |
| 1298 | /* Print the name of an object file given on the command line. */ |
| 1299 | |
| 1300 | static void |
| 1301 | print_object_filename_bsd (filename) |
| 1302 | char *filename; |
| 1303 | { |
| 1304 | if (filename_per_file && !filename_per_symbol) |
| 1305 | printf ("\n%s:\n", filename); |
| 1306 | } |
| 1307 | |
| 1308 | static void |
| 1309 | print_object_filename_sysv (filename) |
| 1310 | char *filename; |
| 1311 | { |
| 1312 | if (undefined_only) |
| 1313 | printf (_("\n\nUndefined symbols from %s:\n\n"), filename); |
| 1314 | else |
| 1315 | printf (_("\n\nSymbols from %s:\n\n"), filename); |
| 1316 | printf (_("\ |
| 1317 | Name Value Class Type Size Line Section\n\n")); |
| 1318 | } |
| 1319 | |
| 1320 | static void |
| 1321 | print_object_filename_posix (filename) |
| 1322 | char *filename; |
| 1323 | { |
| 1324 | if (filename_per_file && !filename_per_symbol) |
| 1325 | printf ("%s:\n", filename); |
| 1326 | } |
| 1327 | \f |
| 1328 | /* Print the name of an archive file given on the command line. */ |
| 1329 | |
| 1330 | static void |
| 1331 | print_archive_filename_bsd (filename) |
| 1332 | char *filename; |
| 1333 | { |
| 1334 | if (filename_per_file) |
| 1335 | printf ("\n%s:\n", filename); |
| 1336 | } |
| 1337 | |
| 1338 | static void |
| 1339 | print_archive_filename_sysv (filename) |
| 1340 | char *filename ATTRIBUTE_UNUSED; |
| 1341 | { |
| 1342 | } |
| 1343 | |
| 1344 | static void |
| 1345 | print_archive_filename_posix (filename) |
| 1346 | char *filename ATTRIBUTE_UNUSED; |
| 1347 | { |
| 1348 | } |
| 1349 | \f |
| 1350 | /* Print the name of an archive member file. */ |
| 1351 | |
| 1352 | static void |
| 1353 | print_archive_member_bsd (archive, filename) |
| 1354 | char *archive ATTRIBUTE_UNUSED; |
| 1355 | CONST char *filename; |
| 1356 | { |
| 1357 | if (!filename_per_symbol) |
| 1358 | printf ("\n%s:\n", filename); |
| 1359 | } |
| 1360 | |
| 1361 | static void |
| 1362 | print_archive_member_sysv (archive, filename) |
| 1363 | char *archive; |
| 1364 | CONST char *filename; |
| 1365 | { |
| 1366 | if (undefined_only) |
| 1367 | printf (_("\n\nUndefined symbols from %s[%s]:\n\n"), archive, filename); |
| 1368 | else |
| 1369 | printf (_("\n\nSymbols from %s[%s]:\n\n"), archive, filename); |
| 1370 | printf (_("\ |
| 1371 | Name Value Class Type Size Line Section\n\n")); |
| 1372 | } |
| 1373 | |
| 1374 | static void |
| 1375 | print_archive_member_posix (archive, filename) |
| 1376 | char *archive; |
| 1377 | CONST char *filename; |
| 1378 | { |
| 1379 | if (!filename_per_symbol) |
| 1380 | printf ("%s[%s]:\n", archive, filename); |
| 1381 | } |
| 1382 | \f |
| 1383 | /* Print the name of the file (and archive, if there is one) |
| 1384 | containing a symbol. */ |
| 1385 | |
| 1386 | static void |
| 1387 | print_symbol_filename_bsd (archive_bfd, abfd) |
| 1388 | bfd *archive_bfd, *abfd; |
| 1389 | { |
| 1390 | if (filename_per_symbol) |
| 1391 | { |
| 1392 | if (archive_bfd) |
| 1393 | printf ("%s:", bfd_get_filename (archive_bfd)); |
| 1394 | printf ("%s:", bfd_get_filename (abfd)); |
| 1395 | } |
| 1396 | } |
| 1397 | |
| 1398 | static void |
| 1399 | print_symbol_filename_sysv (archive_bfd, abfd) |
| 1400 | bfd *archive_bfd, *abfd; |
| 1401 | { |
| 1402 | if (filename_per_symbol) |
| 1403 | { |
| 1404 | if (archive_bfd) |
| 1405 | printf ("%s:", bfd_get_filename (archive_bfd)); |
| 1406 | printf ("%s:", bfd_get_filename (abfd)); |
| 1407 | } |
| 1408 | } |
| 1409 | |
| 1410 | static void |
| 1411 | print_symbol_filename_posix (archive_bfd, abfd) |
| 1412 | bfd *archive_bfd, *abfd; |
| 1413 | { |
| 1414 | if (filename_per_symbol) |
| 1415 | { |
| 1416 | if (archive_bfd) |
| 1417 | printf ("%s[%s]: ", bfd_get_filename (archive_bfd), |
| 1418 | bfd_get_filename (abfd)); |
| 1419 | else |
| 1420 | printf ("%s: ", bfd_get_filename (abfd)); |
| 1421 | } |
| 1422 | } |
| 1423 | \f |
| 1424 | /* Print a symbol value. */ |
| 1425 | |
| 1426 | static void |
| 1427 | print_value (val) |
| 1428 | bfd_vma val; |
| 1429 | { |
| 1430 | #if ! defined (BFD64) || BFD_HOST_64BIT_LONG |
| 1431 | printf (value_format, val); |
| 1432 | #else |
| 1433 | /* We have a 64 bit value to print, but the host is only 32 bit. */ |
| 1434 | if (print_radix == 16) |
| 1435 | fprintf_vma (stdout, val); |
| 1436 | else |
| 1437 | { |
| 1438 | char buf[30]; |
| 1439 | char *s; |
| 1440 | |
| 1441 | s = buf + sizeof buf; |
| 1442 | *--s = '\0'; |
| 1443 | while (val > 0) |
| 1444 | { |
| 1445 | *--s = (val % print_radix) + '0'; |
| 1446 | val /= print_radix; |
| 1447 | } |
| 1448 | while ((buf + sizeof buf - 1) - s < 16) |
| 1449 | *--s = '0'; |
| 1450 | printf ("%s", s); |
| 1451 | } |
| 1452 | #endif |
| 1453 | } |
| 1454 | |
| 1455 | /* Print a line of information about a symbol. */ |
| 1456 | |
| 1457 | static void |
| 1458 | print_symbol_info_bsd (info, abfd) |
| 1459 | symbol_info *info; |
| 1460 | bfd *abfd; |
| 1461 | { |
| 1462 | if (bfd_is_undefined_symclass (info->type)) |
| 1463 | { |
| 1464 | printf ("%*s", |
| 1465 | #ifdef BFD64 |
| 1466 | 16, |
| 1467 | #else |
| 1468 | 8, |
| 1469 | #endif |
| 1470 | ""); |
| 1471 | } |
| 1472 | else |
| 1473 | print_value (info->value); |
| 1474 | printf (" %c", info->type); |
| 1475 | if (info->type == '-') |
| 1476 | { |
| 1477 | /* A stab. */ |
| 1478 | printf (" "); |
| 1479 | printf (other_format, info->stab_other); |
| 1480 | printf (" "); |
| 1481 | printf (desc_format, info->stab_desc); |
| 1482 | printf (" %5s", info->stab_name); |
| 1483 | } |
| 1484 | print_symname (" %s", info->name, abfd); |
| 1485 | } |
| 1486 | |
| 1487 | static void |
| 1488 | print_symbol_info_sysv (info, abfd) |
| 1489 | symbol_info *info; |
| 1490 | bfd *abfd; |
| 1491 | { |
| 1492 | print_symname ("%-20s|", info->name, abfd); /* Name */ |
| 1493 | if (bfd_is_undefined_symclass (info->type)) |
| 1494 | printf (" "); /* Value */ |
| 1495 | else |
| 1496 | print_value (info->value); |
| 1497 | printf ("| %c |", info->type); /* Class */ |
| 1498 | if (info->type == '-') |
| 1499 | { |
| 1500 | /* A stab. */ |
| 1501 | printf ("%18s| ", info->stab_name); /* (C) Type */ |
| 1502 | printf (desc_format, info->stab_desc); /* Size */ |
| 1503 | printf ("| |"); /* Line, Section */ |
| 1504 | } |
| 1505 | else |
| 1506 | printf (" | | |"); /* Type, Size, Line, Section */ |
| 1507 | } |
| 1508 | |
| 1509 | static void |
| 1510 | print_symbol_info_posix (info, abfd) |
| 1511 | symbol_info *info; |
| 1512 | bfd *abfd; |
| 1513 | { |
| 1514 | print_symname ("%s ", info->name, abfd); |
| 1515 | printf ("%c ", info->type); |
| 1516 | if (bfd_is_undefined_symclass (info->type)) |
| 1517 | printf (" "); |
| 1518 | else |
| 1519 | print_value (info->value); |
| 1520 | /* POSIX.2 wants the symbol size printed here, when applicable; |
| 1521 | BFD currently doesn't provide it, so we take the easy way out by |
| 1522 | considering it to never be applicable. */ |
| 1523 | } |
| 1524 | \f |
| 1525 | static void |
| 1526 | print_symdef_entry (abfd) |
| 1527 | bfd *abfd; |
| 1528 | { |
| 1529 | symindex idx = BFD_NO_MORE_SYMBOLS; |
| 1530 | carsym *thesym; |
| 1531 | boolean everprinted = false; |
| 1532 | |
| 1533 | for (idx = bfd_get_next_mapent (abfd, idx, &thesym); |
| 1534 | idx != BFD_NO_MORE_SYMBOLS; |
| 1535 | idx = bfd_get_next_mapent (abfd, idx, &thesym)) |
| 1536 | { |
| 1537 | bfd *elt; |
| 1538 | if (!everprinted) |
| 1539 | { |
| 1540 | printf (_("\nArchive index:\n")); |
| 1541 | everprinted = true; |
| 1542 | } |
| 1543 | elt = bfd_get_elt_at_index (abfd, idx); |
| 1544 | if (elt == NULL) |
| 1545 | bfd_fatal ("bfd_get_elt_at_index"); |
| 1546 | if (thesym->name != (char *) NULL) |
| 1547 | { |
| 1548 | print_symname ("%s", thesym->name, abfd); |
| 1549 | printf (" in %s\n", bfd_get_filename (elt)); |
| 1550 | } |
| 1551 | } |
| 1552 | } |
| 1553 | \f |
| 1554 | /* This function is used to get the relocs for a particular section. |
| 1555 | It is called via bfd_map_over_sections. */ |
| 1556 | |
| 1557 | static void |
| 1558 | get_relocs (abfd, sec, dataarg) |
| 1559 | bfd *abfd; |
| 1560 | asection *sec; |
| 1561 | PTR dataarg; |
| 1562 | { |
| 1563 | struct get_relocs_info *data = (struct get_relocs_info *) dataarg; |
| 1564 | |
| 1565 | *data->secs = sec; |
| 1566 | |
| 1567 | if ((sec->flags & SEC_RELOC) == 0) |
| 1568 | { |
| 1569 | *data->relocs = NULL; |
| 1570 | *data->relcount = 0; |
| 1571 | } |
| 1572 | else |
| 1573 | { |
| 1574 | long relsize; |
| 1575 | |
| 1576 | relsize = bfd_get_reloc_upper_bound (abfd, sec); |
| 1577 | if (relsize < 0) |
| 1578 | bfd_fatal (bfd_get_filename (abfd)); |
| 1579 | |
| 1580 | *data->relocs = (arelent **) xmalloc (relsize); |
| 1581 | *data->relcount = bfd_canonicalize_reloc (abfd, sec, *data->relocs, |
| 1582 | data->syms); |
| 1583 | if (*data->relcount < 0) |
| 1584 | bfd_fatal (bfd_get_filename (abfd)); |
| 1585 | } |
| 1586 | |
| 1587 | ++data->secs; |
| 1588 | ++data->relocs; |
| 1589 | ++data->relcount; |
| 1590 | } |