| 1 | /* size.c -- report size of various sections of an executable file. |
| 2 | Copyright (C) 1991-2018 Free Software Foundation, Inc. |
| 3 | |
| 4 | This file is part of GNU Binutils. |
| 5 | |
| 6 | This program is free software; you can redistribute it and/or modify |
| 7 | it under the terms of the GNU General Public License as published by |
| 8 | the Free Software Foundation; either version 3 of the License, or |
| 9 | (at your option) any later version. |
| 10 | |
| 11 | This program is distributed in the hope that it will be useful, |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | GNU General Public License for more details. |
| 15 | |
| 16 | You should have received a copy of the GNU General Public License |
| 17 | along with this program; if not, write to the Free Software |
| 18 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
| 19 | MA 02110-1301, USA. */ |
| 20 | \f |
| 21 | /* Extensions/incompatibilities: |
| 22 | o - BSD output has filenames at the end. |
| 23 | o - BSD output can appear in different radicies. |
| 24 | o - SysV output has less redundant whitespace. Filename comes at end. |
| 25 | o - SysV output doesn't show VMA which is always the same as the PMA. |
| 26 | o - We also handle core files. |
| 27 | o - We also handle archives. |
| 28 | If you write shell scripts which manipulate this info then you may be |
| 29 | out of luck; there's no --compatibility or --pedantic option. */ |
| 30 | |
| 31 | #include "sysdep.h" |
| 32 | #include "bfd.h" |
| 33 | #include "libiberty.h" |
| 34 | #include "getopt.h" |
| 35 | #include "bucomm.h" |
| 36 | |
| 37 | #ifndef BSD_DEFAULT |
| 38 | #define BSD_DEFAULT 1 |
| 39 | #endif |
| 40 | |
| 41 | /* Program options. */ |
| 42 | |
| 43 | static enum |
| 44 | { |
| 45 | decimal, octal, hex |
| 46 | } |
| 47 | radix = decimal; |
| 48 | |
| 49 | /* 0 means use AT&T-style output. */ |
| 50 | static int berkeley_format = BSD_DEFAULT; |
| 51 | |
| 52 | static int show_version = 0; |
| 53 | static int show_help = 0; |
| 54 | static int show_totals = 0; |
| 55 | static int show_common = 0; |
| 56 | |
| 57 | static bfd_size_type common_size; |
| 58 | static bfd_size_type total_bsssize; |
| 59 | static bfd_size_type total_datasize; |
| 60 | static bfd_size_type total_textsize; |
| 61 | |
| 62 | /* Program exit status. */ |
| 63 | static int return_code = 0; |
| 64 | |
| 65 | static char *target = NULL; |
| 66 | |
| 67 | /* Forward declarations. */ |
| 68 | |
| 69 | static void display_file (char *); |
| 70 | static void rprint_number (int, bfd_size_type); |
| 71 | static void print_sizes (bfd * file); |
| 72 | \f |
| 73 | static void |
| 74 | usage (FILE *stream, int status) |
| 75 | { |
| 76 | fprintf (stream, _("Usage: %s [option(s)] [file(s)]\n"), program_name); |
| 77 | fprintf (stream, _(" Displays the sizes of sections inside binary files\n")); |
| 78 | fprintf (stream, _(" If no input file(s) are specified, a.out is assumed\n")); |
| 79 | fprintf (stream, _(" The options are:\n\ |
| 80 | -A|-B --format={sysv|berkeley} Select output style (default is %s)\n\ |
| 81 | -o|-d|-x --radix={8|10|16} Display numbers in octal, decimal or hex\n\ |
| 82 | -t --totals Display the total sizes (Berkeley only)\n\ |
| 83 | --common Display total size for *COM* syms\n\ |
| 84 | --target=<bfdname> Set the binary file format\n\ |
| 85 | @<file> Read options from <file>\n\ |
| 86 | -h --help Display this information\n\ |
| 87 | -v --version Display the program's version\n\ |
| 88 | \n"), |
| 89 | #if BSD_DEFAULT |
| 90 | "berkeley" |
| 91 | #else |
| 92 | "sysv" |
| 93 | #endif |
| 94 | ); |
| 95 | list_supported_targets (program_name, stream); |
| 96 | if (REPORT_BUGS_TO[0] && status == 0) |
| 97 | fprintf (stream, _("Report bugs to %s\n"), REPORT_BUGS_TO); |
| 98 | exit (status); |
| 99 | } |
| 100 | |
| 101 | #define OPTION_FORMAT (200) |
| 102 | #define OPTION_RADIX (OPTION_FORMAT + 1) |
| 103 | #define OPTION_TARGET (OPTION_RADIX + 1) |
| 104 | |
| 105 | static struct option long_options[] = |
| 106 | { |
| 107 | {"common", no_argument, &show_common, 1}, |
| 108 | {"format", required_argument, 0, OPTION_FORMAT}, |
| 109 | {"radix", required_argument, 0, OPTION_RADIX}, |
| 110 | {"target", required_argument, 0, OPTION_TARGET}, |
| 111 | {"totals", no_argument, &show_totals, 1}, |
| 112 | {"version", no_argument, &show_version, 1}, |
| 113 | {"help", no_argument, &show_help, 1}, |
| 114 | {0, no_argument, 0, 0} |
| 115 | }; |
| 116 | |
| 117 | int main (int, char **); |
| 118 | |
| 119 | int |
| 120 | main (int argc, char **argv) |
| 121 | { |
| 122 | int temp; |
| 123 | int c; |
| 124 | |
| 125 | #if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES) |
| 126 | setlocale (LC_MESSAGES, ""); |
| 127 | #endif |
| 128 | #if defined (HAVE_SETLOCALE) |
| 129 | setlocale (LC_CTYPE, ""); |
| 130 | #endif |
| 131 | bindtextdomain (PACKAGE, LOCALEDIR); |
| 132 | textdomain (PACKAGE); |
| 133 | |
| 134 | program_name = *argv; |
| 135 | xmalloc_set_program_name (program_name); |
| 136 | bfd_set_error_program_name (program_name); |
| 137 | |
| 138 | expandargv (&argc, &argv); |
| 139 | |
| 140 | bfd_init (); |
| 141 | set_default_bfd_target (); |
| 142 | |
| 143 | while ((c = getopt_long (argc, argv, "ABHhVvdfotx", long_options, |
| 144 | (int *) 0)) != EOF) |
| 145 | switch (c) |
| 146 | { |
| 147 | case OPTION_FORMAT: |
| 148 | switch (*optarg) |
| 149 | { |
| 150 | case 'B': |
| 151 | case 'b': |
| 152 | berkeley_format = 1; |
| 153 | break; |
| 154 | case 'S': |
| 155 | case 's': |
| 156 | berkeley_format = 0; |
| 157 | break; |
| 158 | default: |
| 159 | non_fatal (_("invalid argument to --format: %s"), optarg); |
| 160 | usage (stderr, 1); |
| 161 | } |
| 162 | break; |
| 163 | |
| 164 | case OPTION_TARGET: |
| 165 | target = optarg; |
| 166 | break; |
| 167 | |
| 168 | case OPTION_RADIX: |
| 169 | #ifdef ANSI_LIBRARIES |
| 170 | temp = strtol (optarg, NULL, 10); |
| 171 | #else |
| 172 | temp = atol (optarg); |
| 173 | #endif |
| 174 | switch (temp) |
| 175 | { |
| 176 | case 10: |
| 177 | radix = decimal; |
| 178 | break; |
| 179 | case 8: |
| 180 | radix = octal; |
| 181 | break; |
| 182 | case 16: |
| 183 | radix = hex; |
| 184 | break; |
| 185 | default: |
| 186 | non_fatal (_("Invalid radix: %s\n"), optarg); |
| 187 | usage (stderr, 1); |
| 188 | } |
| 189 | break; |
| 190 | |
| 191 | case 'A': |
| 192 | berkeley_format = 0; |
| 193 | break; |
| 194 | case 'B': |
| 195 | berkeley_format = 1; |
| 196 | break; |
| 197 | case 'v': |
| 198 | case 'V': |
| 199 | show_version = 1; |
| 200 | break; |
| 201 | case 'd': |
| 202 | radix = decimal; |
| 203 | break; |
| 204 | case 'x': |
| 205 | radix = hex; |
| 206 | break; |
| 207 | case 'o': |
| 208 | radix = octal; |
| 209 | break; |
| 210 | case 't': |
| 211 | show_totals = 1; |
| 212 | break; |
| 213 | case 'f': /* FIXME : For sysv68, `-f' means `full format', i.e. |
| 214 | `[fname:] M(.text) + N(.data) + O(.bss) + P(.comment) = Q' |
| 215 | where `fname: ' appears only if there are >= 2 input files, |
| 216 | and M, N, O, P, Q are expressed in decimal by default, |
| 217 | hexa or octal if requested by `-x' or `-o'. |
| 218 | Just to make things interesting, Solaris also accepts -f, |
| 219 | which prints out the size of each allocatable section, the |
| 220 | name of the section, and the total of the section sizes. */ |
| 221 | /* For the moment, accept `-f' silently, and ignore it. */ |
| 222 | break; |
| 223 | case 0: |
| 224 | break; |
| 225 | case 'h': |
| 226 | case 'H': |
| 227 | case '?': |
| 228 | usage (stderr, 1); |
| 229 | } |
| 230 | |
| 231 | if (show_version) |
| 232 | print_version ("size"); |
| 233 | if (show_help) |
| 234 | usage (stdout, 0); |
| 235 | |
| 236 | if (optind == argc) |
| 237 | display_file ("a.out"); |
| 238 | else |
| 239 | for (; optind < argc;) |
| 240 | display_file (argv[optind++]); |
| 241 | |
| 242 | if (show_totals && berkeley_format) |
| 243 | { |
| 244 | bfd_size_type total = total_textsize + total_datasize + total_bsssize; |
| 245 | |
| 246 | rprint_number (7, total_textsize); |
| 247 | putchar('\t'); |
| 248 | rprint_number (7, total_datasize); |
| 249 | putchar('\t'); |
| 250 | rprint_number (7, total_bsssize); |
| 251 | printf (((radix == octal) ? "\t%7lo\t%7lx\t" : "\t%7lu\t%7lx\t"), |
| 252 | (unsigned long) total, (unsigned long) total); |
| 253 | fputs ("(TOTALS)\n", stdout); |
| 254 | } |
| 255 | |
| 256 | return return_code; |
| 257 | } |
| 258 | \f |
| 259 | /* Total size required for common symbols in ABFD. */ |
| 260 | |
| 261 | static void |
| 262 | calculate_common_size (bfd *abfd) |
| 263 | { |
| 264 | asymbol **syms = NULL; |
| 265 | long storage, symcount; |
| 266 | |
| 267 | common_size = 0; |
| 268 | if ((bfd_get_file_flags (abfd) & (EXEC_P | DYNAMIC | HAS_SYMS)) != HAS_SYMS) |
| 269 | return; |
| 270 | |
| 271 | storage = bfd_get_symtab_upper_bound (abfd); |
| 272 | if (storage < 0) |
| 273 | bfd_fatal (bfd_get_filename (abfd)); |
| 274 | if (storage) |
| 275 | syms = (asymbol **) xmalloc (storage); |
| 276 | |
| 277 | symcount = bfd_canonicalize_symtab (abfd, syms); |
| 278 | if (symcount < 0) |
| 279 | bfd_fatal (bfd_get_filename (abfd)); |
| 280 | |
| 281 | while (--symcount >= 0) |
| 282 | { |
| 283 | asymbol *sym = syms[symcount]; |
| 284 | |
| 285 | if (bfd_is_com_section (sym->section) |
| 286 | && (sym->flags & BSF_SECTION_SYM) == 0) |
| 287 | common_size += sym->value; |
| 288 | } |
| 289 | free (syms); |
| 290 | } |
| 291 | |
| 292 | /* Display stats on file or archive member ABFD. */ |
| 293 | |
| 294 | static void |
| 295 | display_bfd (bfd *abfd) |
| 296 | { |
| 297 | char **matching; |
| 298 | |
| 299 | if (bfd_check_format (abfd, bfd_archive)) |
| 300 | /* An archive within an archive. */ |
| 301 | return; |
| 302 | |
| 303 | if (bfd_check_format_matches (abfd, bfd_object, &matching)) |
| 304 | { |
| 305 | print_sizes (abfd); |
| 306 | printf ("\n"); |
| 307 | return; |
| 308 | } |
| 309 | |
| 310 | if (bfd_get_error () == bfd_error_file_ambiguously_recognized) |
| 311 | { |
| 312 | bfd_nonfatal (bfd_get_filename (abfd)); |
| 313 | list_matching_formats (matching); |
| 314 | free (matching); |
| 315 | return_code = 3; |
| 316 | return; |
| 317 | } |
| 318 | |
| 319 | if (bfd_check_format_matches (abfd, bfd_core, &matching)) |
| 320 | { |
| 321 | const char *core_cmd; |
| 322 | |
| 323 | print_sizes (abfd); |
| 324 | fputs (" (core file", stdout); |
| 325 | |
| 326 | core_cmd = bfd_core_file_failing_command (abfd); |
| 327 | if (core_cmd) |
| 328 | printf (" invoked as %s", core_cmd); |
| 329 | |
| 330 | puts (")\n"); |
| 331 | return; |
| 332 | } |
| 333 | |
| 334 | bfd_nonfatal (bfd_get_filename (abfd)); |
| 335 | |
| 336 | if (bfd_get_error () == bfd_error_file_ambiguously_recognized) |
| 337 | { |
| 338 | list_matching_formats (matching); |
| 339 | free (matching); |
| 340 | } |
| 341 | |
| 342 | return_code = 3; |
| 343 | } |
| 344 | |
| 345 | static void |
| 346 | display_archive (bfd *file) |
| 347 | { |
| 348 | bfd *arfile = (bfd *) NULL; |
| 349 | bfd *last_arfile = (bfd *) NULL; |
| 350 | |
| 351 | for (;;) |
| 352 | { |
| 353 | bfd_set_error (bfd_error_no_error); |
| 354 | |
| 355 | arfile = bfd_openr_next_archived_file (file, arfile); |
| 356 | if (arfile == NULL) |
| 357 | { |
| 358 | if (bfd_get_error () != bfd_error_no_more_archived_files) |
| 359 | { |
| 360 | bfd_nonfatal (bfd_get_filename (file)); |
| 361 | return_code = 2; |
| 362 | } |
| 363 | break; |
| 364 | } |
| 365 | |
| 366 | display_bfd (arfile); |
| 367 | |
| 368 | if (last_arfile != NULL) |
| 369 | { |
| 370 | bfd_close (last_arfile); |
| 371 | |
| 372 | /* PR 17512: file: a244edbc. */ |
| 373 | if (last_arfile == arfile) |
| 374 | return; |
| 375 | } |
| 376 | |
| 377 | last_arfile = arfile; |
| 378 | } |
| 379 | |
| 380 | if (last_arfile != NULL) |
| 381 | bfd_close (last_arfile); |
| 382 | } |
| 383 | |
| 384 | static void |
| 385 | display_file (char *filename) |
| 386 | { |
| 387 | bfd *file; |
| 388 | |
| 389 | if (get_file_size (filename) < 1) |
| 390 | { |
| 391 | return_code = 1; |
| 392 | return; |
| 393 | } |
| 394 | |
| 395 | file = bfd_openr (filename, target); |
| 396 | if (file == NULL) |
| 397 | { |
| 398 | bfd_nonfatal (filename); |
| 399 | return_code = 1; |
| 400 | return; |
| 401 | } |
| 402 | |
| 403 | if (bfd_check_format (file, bfd_archive)) |
| 404 | display_archive (file); |
| 405 | else |
| 406 | display_bfd (file); |
| 407 | |
| 408 | if (!bfd_close (file)) |
| 409 | { |
| 410 | bfd_nonfatal (filename); |
| 411 | return_code = 1; |
| 412 | return; |
| 413 | } |
| 414 | } |
| 415 | \f |
| 416 | static int |
| 417 | size_number (bfd_size_type num) |
| 418 | { |
| 419 | char buffer[40]; |
| 420 | |
| 421 | sprintf (buffer, |
| 422 | (radix == decimal ? "%" BFD_VMA_FMT "u" : |
| 423 | ((radix == octal) ? "0%" BFD_VMA_FMT "o" : "0x%" BFD_VMA_FMT "x")), |
| 424 | num); |
| 425 | |
| 426 | return strlen (buffer); |
| 427 | } |
| 428 | |
| 429 | static void |
| 430 | rprint_number (int width, bfd_size_type num) |
| 431 | { |
| 432 | char buffer[40]; |
| 433 | |
| 434 | sprintf (buffer, |
| 435 | (radix == decimal ? "%" BFD_VMA_FMT "u" : |
| 436 | ((radix == octal) ? "0%" BFD_VMA_FMT "o" : "0x%" BFD_VMA_FMT "x")), |
| 437 | num); |
| 438 | |
| 439 | printf ("%*s", width, buffer); |
| 440 | } |
| 441 | |
| 442 | static bfd_size_type bsssize; |
| 443 | static bfd_size_type datasize; |
| 444 | static bfd_size_type textsize; |
| 445 | |
| 446 | static void |
| 447 | berkeley_sum (bfd *abfd ATTRIBUTE_UNUSED, sec_ptr sec, |
| 448 | void *ignore ATTRIBUTE_UNUSED) |
| 449 | { |
| 450 | flagword flags; |
| 451 | bfd_size_type size; |
| 452 | |
| 453 | flags = bfd_get_section_flags (abfd, sec); |
| 454 | if ((flags & SEC_ALLOC) == 0) |
| 455 | return; |
| 456 | |
| 457 | size = bfd_get_section_size (sec); |
| 458 | if ((flags & SEC_CODE) != 0 || (flags & SEC_READONLY) != 0) |
| 459 | textsize += size; |
| 460 | else if ((flags & SEC_HAS_CONTENTS) != 0) |
| 461 | datasize += size; |
| 462 | else |
| 463 | bsssize += size; |
| 464 | } |
| 465 | |
| 466 | static void |
| 467 | print_berkeley_format (bfd *abfd) |
| 468 | { |
| 469 | static int files_seen = 0; |
| 470 | bfd_size_type total; |
| 471 | |
| 472 | bsssize = 0; |
| 473 | datasize = 0; |
| 474 | textsize = 0; |
| 475 | |
| 476 | bfd_map_over_sections (abfd, berkeley_sum, NULL); |
| 477 | |
| 478 | bsssize += common_size; |
| 479 | if (files_seen++ == 0) |
| 480 | puts ((radix == octal) ? " text\t data\t bss\t oct\t hex\tfilename" : |
| 481 | " text\t data\t bss\t dec\t hex\tfilename"); |
| 482 | |
| 483 | total = textsize + datasize + bsssize; |
| 484 | |
| 485 | if (show_totals) |
| 486 | { |
| 487 | total_textsize += textsize; |
| 488 | total_datasize += datasize; |
| 489 | total_bsssize += bsssize; |
| 490 | } |
| 491 | |
| 492 | rprint_number (7, textsize); |
| 493 | putchar ('\t'); |
| 494 | rprint_number (7, datasize); |
| 495 | putchar ('\t'); |
| 496 | rprint_number (7, bsssize); |
| 497 | printf (((radix == octal) ? "\t%7lo\t%7lx\t" : "\t%7lu\t%7lx\t"), |
| 498 | (unsigned long) total, (unsigned long) total); |
| 499 | |
| 500 | fputs (bfd_get_filename (abfd), stdout); |
| 501 | |
| 502 | if (abfd->my_archive) |
| 503 | printf (" (ex %s)", bfd_get_filename (abfd->my_archive)); |
| 504 | } |
| 505 | |
| 506 | /* I REALLY miss lexical functions! */ |
| 507 | bfd_size_type svi_total = 0; |
| 508 | bfd_vma svi_maxvma = 0; |
| 509 | int svi_namelen = 0; |
| 510 | int svi_vmalen = 0; |
| 511 | int svi_sizelen = 0; |
| 512 | |
| 513 | static void |
| 514 | sysv_internal_sizer (bfd *file ATTRIBUTE_UNUSED, sec_ptr sec, |
| 515 | void *ignore ATTRIBUTE_UNUSED) |
| 516 | { |
| 517 | bfd_size_type size = bfd_section_size (file, sec); |
| 518 | |
| 519 | if ( ! bfd_is_abs_section (sec) |
| 520 | && ! bfd_is_com_section (sec) |
| 521 | && ! bfd_is_und_section (sec)) |
| 522 | { |
| 523 | int namelen = strlen (bfd_section_name (file, sec)); |
| 524 | |
| 525 | if (namelen > svi_namelen) |
| 526 | svi_namelen = namelen; |
| 527 | |
| 528 | svi_total += size; |
| 529 | |
| 530 | if (bfd_section_vma (file, sec) > svi_maxvma) |
| 531 | svi_maxvma = bfd_section_vma (file, sec); |
| 532 | } |
| 533 | } |
| 534 | |
| 535 | static void |
| 536 | sysv_one_line (const char *name, bfd_size_type size, bfd_vma vma) |
| 537 | { |
| 538 | printf ("%-*s ", svi_namelen, name); |
| 539 | rprint_number (svi_sizelen, size); |
| 540 | printf (" "); |
| 541 | rprint_number (svi_vmalen, vma); |
| 542 | printf ("\n"); |
| 543 | } |
| 544 | |
| 545 | static void |
| 546 | sysv_internal_printer (bfd *file ATTRIBUTE_UNUSED, sec_ptr sec, |
| 547 | void *ignore ATTRIBUTE_UNUSED) |
| 548 | { |
| 549 | bfd_size_type size = bfd_section_size (file, sec); |
| 550 | |
| 551 | if ( ! bfd_is_abs_section (sec) |
| 552 | && ! bfd_is_com_section (sec) |
| 553 | && ! bfd_is_und_section (sec)) |
| 554 | { |
| 555 | svi_total += size; |
| 556 | |
| 557 | sysv_one_line (bfd_section_name (file, sec), |
| 558 | size, |
| 559 | bfd_section_vma (file, sec)); |
| 560 | } |
| 561 | } |
| 562 | |
| 563 | static void |
| 564 | print_sysv_format (bfd *file) |
| 565 | { |
| 566 | /* Size all of the columns. */ |
| 567 | svi_total = 0; |
| 568 | svi_maxvma = 0; |
| 569 | svi_namelen = 0; |
| 570 | bfd_map_over_sections (file, sysv_internal_sizer, NULL); |
| 571 | if (show_common) |
| 572 | { |
| 573 | if (svi_namelen < (int) sizeof ("*COM*") - 1) |
| 574 | svi_namelen = sizeof ("*COM*") - 1; |
| 575 | svi_total += common_size; |
| 576 | } |
| 577 | |
| 578 | svi_vmalen = size_number ((bfd_size_type)svi_maxvma); |
| 579 | |
| 580 | if ((size_t) svi_vmalen < sizeof ("addr") - 1) |
| 581 | svi_vmalen = sizeof ("addr")-1; |
| 582 | |
| 583 | svi_sizelen = size_number (svi_total); |
| 584 | if ((size_t) svi_sizelen < sizeof ("size") - 1) |
| 585 | svi_sizelen = sizeof ("size")-1; |
| 586 | |
| 587 | svi_total = 0; |
| 588 | printf ("%s ", bfd_get_filename (file)); |
| 589 | |
| 590 | if (file->my_archive) |
| 591 | printf (" (ex %s)", bfd_get_filename (file->my_archive)); |
| 592 | |
| 593 | printf (":\n%-*s %*s %*s\n", svi_namelen, "section", |
| 594 | svi_sizelen, "size", svi_vmalen, "addr"); |
| 595 | |
| 596 | bfd_map_over_sections (file, sysv_internal_printer, NULL); |
| 597 | if (show_common) |
| 598 | { |
| 599 | svi_total += common_size; |
| 600 | sysv_one_line ("*COM*", common_size, 0); |
| 601 | } |
| 602 | |
| 603 | printf ("%-*s ", svi_namelen, "Total"); |
| 604 | rprint_number (svi_sizelen, svi_total); |
| 605 | printf ("\n\n"); |
| 606 | } |
| 607 | |
| 608 | static void |
| 609 | print_sizes (bfd *file) |
| 610 | { |
| 611 | if (show_common) |
| 612 | calculate_common_size (file); |
| 613 | if (berkeley_format) |
| 614 | print_berkeley_format (file); |
| 615 | else |
| 616 | print_sysv_format (file); |
| 617 | } |