| 1 | /* Sysroff object format dumper. |
| 2 | Copyright (C) 1994 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 2 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ |
| 19 | |
| 20 | |
| 21 | /* Written by Steve Chamberlain <sac@cygnus.com>. |
| 22 | |
| 23 | This program reads a SYSROFF object file and prints it in an |
| 24 | almost human readable form to stdout. */ |
| 25 | |
| 26 | #include <stdio.h> |
| 27 | #include <ctype.h> |
| 28 | #include <libiberty.h> |
| 29 | #include <getopt.h> |
| 30 | #include "sysroff.h" |
| 31 | #include <stdlib.h> |
| 32 | #include "sysdep.h" |
| 33 | #define PROGRAM_VERSION "1.0" |
| 34 | static int h8300; |
| 35 | static int sh; |
| 36 | static int dump = 1; |
| 37 | static int segmented_p; |
| 38 | static int code; |
| 39 | static FILE *file; |
| 40 | |
| 41 | static char * |
| 42 | xcalloc (a, b) |
| 43 | int a; |
| 44 | int b; |
| 45 | { |
| 46 | char *r = xmalloc (a, b); |
| 47 | memset (r, 0, a * b); |
| 48 | return r; |
| 49 | } |
| 50 | |
| 51 | char * |
| 52 | getCHARS (ptr, idx, size, max) |
| 53 | unsigned char *ptr; |
| 54 | int *idx; |
| 55 | int size; |
| 56 | int max; |
| 57 | { |
| 58 | int oc = *idx / 8; |
| 59 | char *r; |
| 60 | int b = size; |
| 61 | if (b >= max) |
| 62 | { |
| 63 | return "*undefined*"; |
| 64 | } |
| 65 | |
| 66 | if (b == 0) |
| 67 | { |
| 68 | /* Got to work out the length of the string from self */ |
| 69 | b = ptr[oc++]; |
| 70 | (*idx) += 8; |
| 71 | } |
| 72 | |
| 73 | *idx += b * 8; |
| 74 | r = xcalloc (b + 1, 1); |
| 75 | memcpy (r, ptr + oc, b); |
| 76 | r[b] = 0; |
| 77 | return r; |
| 78 | } |
| 79 | |
| 80 | static void |
| 81 | dh (ptr, size) |
| 82 | unsigned char *ptr; |
| 83 | int size; |
| 84 | { |
| 85 | int i; |
| 86 | int j; |
| 87 | int span = 16; |
| 88 | |
| 89 | printf ("\n************************************************************\n"); |
| 90 | |
| 91 | for (i = 0; i < size; i += span) |
| 92 | { |
| 93 | for (j = 0; j < span; j++) |
| 94 | { |
| 95 | if (j + i < size) |
| 96 | printf ("%02x ", ptr[i + j]); |
| 97 | else |
| 98 | printf (" "); |
| 99 | } |
| 100 | |
| 101 | for (j = 0; j < span && j + i < size; j++) |
| 102 | { |
| 103 | int c = ptr[i + j]; |
| 104 | if (c < 32 || c > 127) |
| 105 | c = '.'; |
| 106 | printf ("%c", c); |
| 107 | } |
| 108 | printf ("\n"); |
| 109 | } |
| 110 | } |
| 111 | |
| 112 | int |
| 113 | fillup (ptr) |
| 114 | char *ptr; |
| 115 | { |
| 116 | int size; |
| 117 | int sum; |
| 118 | int i; |
| 119 | size = getc (file) - 2; |
| 120 | fread (ptr, 1, size, file); |
| 121 | sum = code + size + 2; |
| 122 | for (i = 0; i < size; i++) |
| 123 | { |
| 124 | sum += ptr[i]; |
| 125 | } |
| 126 | |
| 127 | if ((sum & 0xff) != 0xff) |
| 128 | { |
| 129 | printf ("SUM IS %x\n", sum); |
| 130 | } |
| 131 | if (dump) |
| 132 | dh (ptr, size); |
| 133 | return size; |
| 134 | } |
| 135 | |
| 136 | barray |
| 137 | getBARRAY (ptr, idx, dsize, max) |
| 138 | unsigned char *ptr; |
| 139 | int *idx; |
| 140 | int dsize; |
| 141 | int max; |
| 142 | { |
| 143 | barray res; |
| 144 | int i; |
| 145 | int byte = *idx / 8; |
| 146 | int size = ptr[byte++]; |
| 147 | res.len = size; |
| 148 | res.data = (unsigned char *) xmalloc (size); |
| 149 | for (i = 0; i < size; i++) |
| 150 | { |
| 151 | res.data[i] = ptr[byte++]; |
| 152 | } |
| 153 | return res; |
| 154 | } |
| 155 | |
| 156 | int |
| 157 | getINT (ptr, idx, size, max) |
| 158 | unsigned char *ptr; |
| 159 | int *idx; |
| 160 | int size; |
| 161 | int max; |
| 162 | { |
| 163 | int n = 0; |
| 164 | int byte = *idx / 8; |
| 165 | |
| 166 | if (byte >= max) |
| 167 | { |
| 168 | return 0; |
| 169 | } |
| 170 | if (size == -2) |
| 171 | size = 4; |
| 172 | if (size == -1) |
| 173 | size = 0; |
| 174 | switch (size) |
| 175 | { |
| 176 | case 0: |
| 177 | return 0; |
| 178 | case 1: |
| 179 | n = (ptr[byte]); |
| 180 | break; |
| 181 | case 2: |
| 182 | n = (ptr[byte + 0] << 8) + ptr[byte + 1]; |
| 183 | break; |
| 184 | case 4: |
| 185 | n = (ptr[byte + 0] << 24) + (ptr[byte + 1] << 16) + (ptr[byte + 2] << 8) + (ptr[byte + 3]); |
| 186 | break; |
| 187 | default: |
| 188 | abort (); |
| 189 | } |
| 190 | *idx += size * 8; |
| 191 | return n; |
| 192 | } |
| 193 | |
| 194 | int |
| 195 | getBITS (ptr, idx, size) |
| 196 | char *ptr; |
| 197 | int *idx; |
| 198 | int size; |
| 199 | { |
| 200 | int byte = *idx / 8; |
| 201 | int bit = *idx % 8; |
| 202 | |
| 203 | *idx += size; |
| 204 | |
| 205 | return (ptr[byte] >> (8 - bit - size)) & ((1 << size) - 1); |
| 206 | } |
| 207 | |
| 208 | static void |
| 209 | itheader (name, code) |
| 210 | char *name; |
| 211 | int code; |
| 212 | { |
| 213 | printf ("\n%s 0x%02x\n", name, code); |
| 214 | } |
| 215 | |
| 216 | static int indent; |
| 217 | static void |
| 218 | p () |
| 219 | { |
| 220 | int i; |
| 221 | for (i = 0; i < indent; i++) |
| 222 | { |
| 223 | printf ("| "); |
| 224 | } |
| 225 | printf ("> "); |
| 226 | } |
| 227 | |
| 228 | static void |
| 229 | tabout () |
| 230 | { |
| 231 | p (); |
| 232 | } |
| 233 | |
| 234 | static void |
| 235 | pbarray (y) |
| 236 | barray *y; |
| 237 | { |
| 238 | int x; |
| 239 | printf ("%d (", y->len); |
| 240 | for (x = 0; x < y->len; x++) |
| 241 | { |
| 242 | printf ("(%02x %c)", y->data[x], isprint (y->data[x]) ? y->data[x] : '.'); |
| 243 | } |
| 244 | printf (")\n"); |
| 245 | } |
| 246 | |
| 247 | #define SYSROFF_PRINT |
| 248 | #define SYSROFF_SWAP_IN |
| 249 | |
| 250 | #include "sysroff.c" |
| 251 | |
| 252 | /* |
| 253 | * FIXME: sysinfo, which generates sysroff.[ch] from sysroff.info, can't |
| 254 | * hack the special case of the tr block, which has no contents. So we |
| 255 | * implement our own functions for reading in and printing out the tr |
| 256 | * block. |
| 257 | */ |
| 258 | |
| 259 | #define IT_tr_CODE 0x7f |
| 260 | void |
| 261 | sysroff_swap_tr_in() |
| 262 | { |
| 263 | char raw[255]; |
| 264 | |
| 265 | memset(raw, 0, 255); |
| 266 | fillup(raw); |
| 267 | } |
| 268 | |
| 269 | void |
| 270 | sysroff_print_tr_out() |
| 271 | { |
| 272 | itheader("tr", IT_tr_CODE); |
| 273 | } |
| 274 | |
| 275 | static int |
| 276 | getone (type) |
| 277 | int type; |
| 278 | { |
| 279 | int c = getc (file); |
| 280 | code = c; |
| 281 | |
| 282 | if ((c & 0x7f) != type) |
| 283 | { |
| 284 | ungetc (c, file); |
| 285 | return 0; |
| 286 | } |
| 287 | |
| 288 | switch (c & 0x7f) |
| 289 | { |
| 290 | case IT_cs_CODE: |
| 291 | { |
| 292 | struct IT_cs dummy; |
| 293 | sysroff_swap_cs_in (&dummy); |
| 294 | sysroff_print_cs_out (&dummy); |
| 295 | } |
| 296 | break; |
| 297 | case IT_dln_CODE: |
| 298 | { |
| 299 | struct IT_dln dummy; |
| 300 | sysroff_swap_dln_in (&dummy); |
| 301 | sysroff_print_dln_out (&dummy); |
| 302 | } |
| 303 | break; |
| 304 | case IT_hd_CODE: |
| 305 | { |
| 306 | struct IT_hd dummy; |
| 307 | sysroff_swap_hd_in (&dummy); |
| 308 | sysroff_print_hd_out (&dummy); |
| 309 | } |
| 310 | break; |
| 311 | case IT_dar_CODE: |
| 312 | { |
| 313 | struct IT_dar dummy; |
| 314 | sysroff_swap_dar_in (&dummy); |
| 315 | sysroff_print_dar_out (&dummy); |
| 316 | } |
| 317 | break; |
| 318 | case IT_dsy_CODE: |
| 319 | { |
| 320 | struct IT_dsy dummy; |
| 321 | sysroff_swap_dsy_in (&dummy); |
| 322 | sysroff_print_dsy_out (&dummy); |
| 323 | } |
| 324 | break; |
| 325 | case IT_dfp_CODE: |
| 326 | { |
| 327 | struct IT_dfp dummy; |
| 328 | sysroff_swap_dfp_in (&dummy); |
| 329 | sysroff_print_dfp_out (&dummy); |
| 330 | } |
| 331 | break; |
| 332 | case IT_dso_CODE: |
| 333 | { |
| 334 | struct IT_dso dummy; |
| 335 | sysroff_swap_dso_in (&dummy); |
| 336 | sysroff_print_dso_out (&dummy); |
| 337 | } |
| 338 | break; |
| 339 | case IT_dpt_CODE: |
| 340 | { |
| 341 | struct IT_dpt dummy; |
| 342 | sysroff_swap_dpt_in (&dummy); |
| 343 | sysroff_print_dpt_out (&dummy); |
| 344 | } |
| 345 | break; |
| 346 | case IT_den_CODE: |
| 347 | { |
| 348 | struct IT_den dummy; |
| 349 | sysroff_swap_den_in (&dummy); |
| 350 | sysroff_print_den_out (&dummy); |
| 351 | } |
| 352 | break; |
| 353 | case IT_dbt_CODE: |
| 354 | { |
| 355 | struct IT_dbt dummy; |
| 356 | sysroff_swap_dbt_in (&dummy); |
| 357 | sysroff_print_dbt_out (&dummy); |
| 358 | } |
| 359 | break; |
| 360 | case IT_dty_CODE: |
| 361 | { |
| 362 | struct IT_dty dummy; |
| 363 | sysroff_swap_dty_in (&dummy); |
| 364 | sysroff_print_dty_out (&dummy); |
| 365 | } |
| 366 | break; |
| 367 | case IT_un_CODE: |
| 368 | { |
| 369 | struct IT_un dummy; |
| 370 | sysroff_swap_un_in (&dummy); |
| 371 | sysroff_print_un_out (&dummy); |
| 372 | } |
| 373 | break; |
| 374 | case IT_sc_CODE: |
| 375 | { |
| 376 | struct IT_sc dummy; |
| 377 | sysroff_swap_sc_in (&dummy); |
| 378 | sysroff_print_sc_out (&dummy); |
| 379 | } |
| 380 | break; |
| 381 | case IT_er_CODE: |
| 382 | { |
| 383 | struct IT_er dummy; |
| 384 | sysroff_swap_er_in (&dummy); |
| 385 | sysroff_print_er_out (&dummy); |
| 386 | } |
| 387 | break; |
| 388 | case IT_ed_CODE: |
| 389 | { |
| 390 | struct IT_ed dummy; |
| 391 | sysroff_swap_ed_in (&dummy); |
| 392 | sysroff_print_ed_out (&dummy); |
| 393 | } |
| 394 | break; |
| 395 | case IT_sh_CODE: |
| 396 | { |
| 397 | struct IT_sh dummy; |
| 398 | sysroff_swap_sh_in (&dummy); |
| 399 | sysroff_print_sh_out (&dummy); |
| 400 | } |
| 401 | break; |
| 402 | case IT_ob_CODE: |
| 403 | { |
| 404 | struct IT_ob dummy; |
| 405 | sysroff_swap_ob_in (&dummy); |
| 406 | sysroff_print_ob_out (&dummy); |
| 407 | } |
| 408 | break; |
| 409 | case IT_rl_CODE: |
| 410 | { |
| 411 | struct IT_rl dummy; |
| 412 | sysroff_swap_rl_in (&dummy); |
| 413 | sysroff_print_rl_out (&dummy); |
| 414 | } |
| 415 | break; |
| 416 | case IT_du_CODE: |
| 417 | { |
| 418 | struct IT_du dummy; |
| 419 | sysroff_swap_du_in (&dummy); |
| 420 | |
| 421 | sysroff_print_du_out (&dummy); |
| 422 | } |
| 423 | break; |
| 424 | case IT_dus_CODE: |
| 425 | { |
| 426 | struct IT_dus dummy; |
| 427 | sysroff_swap_dus_in (&dummy); |
| 428 | sysroff_print_dus_out (&dummy); |
| 429 | } |
| 430 | break; |
| 431 | case IT_dul_CODE: |
| 432 | { |
| 433 | struct IT_dul dummy; |
| 434 | sysroff_swap_dul_in (&dummy); |
| 435 | sysroff_print_dul_out (&dummy); |
| 436 | } |
| 437 | break; |
| 438 | case IT_dss_CODE: |
| 439 | { |
| 440 | struct IT_dss dummy; |
| 441 | sysroff_swap_dss_in (&dummy); |
| 442 | sysroff_print_dss_out (&dummy); |
| 443 | } |
| 444 | break; |
| 445 | case IT_hs_CODE: |
| 446 | { |
| 447 | struct IT_hs dummy; |
| 448 | sysroff_swap_hs_in (&dummy); |
| 449 | sysroff_print_hs_out (&dummy); |
| 450 | } |
| 451 | break; |
| 452 | case IT_dps_CODE: |
| 453 | { |
| 454 | struct IT_dps dummy; |
| 455 | sysroff_swap_dps_in (&dummy); |
| 456 | sysroff_print_dps_out (&dummy); |
| 457 | } |
| 458 | break; |
| 459 | case IT_tr_CODE: |
| 460 | { |
| 461 | sysroff_swap_tr_in (); |
| 462 | sysroff_print_tr_out (); |
| 463 | } |
| 464 | break; |
| 465 | case IT_dds_CODE: |
| 466 | { |
| 467 | struct IT_dds dummy; |
| 468 | sysroff_swap_dds_in (&dummy); |
| 469 | sysroff_print_dds_out (&dummy); |
| 470 | } |
| 471 | break; |
| 472 | default: |
| 473 | printf ("GOT A %x\n", c); |
| 474 | return 0; |
| 475 | break; |
| 476 | } |
| 477 | return 1; |
| 478 | } |
| 479 | |
| 480 | static int |
| 481 | opt (x) |
| 482 | int x; |
| 483 | { |
| 484 | return getone (x); |
| 485 | } |
| 486 | |
| 487 | static void |
| 488 | unit_info_list () |
| 489 | { |
| 490 | while (opt (IT_un_CODE)) |
| 491 | { |
| 492 | getone (IT_us_CODE); |
| 493 | |
| 494 | while (getone (IT_sc_CODE)) |
| 495 | getone (IT_ss_CODE); |
| 496 | |
| 497 | while (getone (IT_er_CODE)) |
| 498 | ; |
| 499 | |
| 500 | while (getone (IT_ed_CODE)) |
| 501 | ; |
| 502 | } |
| 503 | } |
| 504 | |
| 505 | static void |
| 506 | object_body_list () |
| 507 | { |
| 508 | while (getone (IT_sh_CODE)) |
| 509 | { |
| 510 | while (getone (IT_ob_CODE)) |
| 511 | ; |
| 512 | while (getone (IT_rl_CODE)) |
| 513 | ; |
| 514 | } |
| 515 | } |
| 516 | |
| 517 | static void |
| 518 | must (x) |
| 519 | int x; |
| 520 | { |
| 521 | if (!getone (x)) |
| 522 | { |
| 523 | printf ("WANTED %x!!\n", x); |
| 524 | } |
| 525 | } |
| 526 | |
| 527 | static void |
| 528 | tab (i, s) |
| 529 | int i; |
| 530 | char *s; |
| 531 | { |
| 532 | indent += i; |
| 533 | if (s) |
| 534 | { |
| 535 | p (); |
| 536 | printf (s); |
| 537 | printf ("\n"); |
| 538 | } |
| 539 | } |
| 540 | |
| 541 | static void derived_type (); |
| 542 | |
| 543 | static void |
| 544 | symbol_info () |
| 545 | { |
| 546 | tab (1, "SYMBOL INFO"); |
| 547 | while (opt (IT_dsy_CODE)) |
| 548 | { |
| 549 | if (opt (IT_dty_CODE)) |
| 550 | { |
| 551 | must (IT_dbt_CODE); |
| 552 | derived_type (); |
| 553 | must (IT_dty_CODE); |
| 554 | } |
| 555 | } |
| 556 | tab (-1, ""); |
| 557 | } |
| 558 | |
| 559 | static void |
| 560 | derived_type () |
| 561 | { |
| 562 | tab (1, "DERIVED TYPE"); |
| 563 | while (1) |
| 564 | { |
| 565 | if (opt (IT_dpp_CODE)) |
| 566 | { |
| 567 | symbol_info (); |
| 568 | must (IT_dpp_CODE); |
| 569 | } |
| 570 | else if (opt (IT_dfp_CODE)) |
| 571 | { |
| 572 | symbol_info (); |
| 573 | must (IT_dfp_CODE); |
| 574 | } |
| 575 | else if (opt (IT_den_CODE)) |
| 576 | { |
| 577 | symbol_info (); |
| 578 | must (IT_den_CODE); |
| 579 | } |
| 580 | else if (opt (IT_den_CODE)) |
| 581 | { |
| 582 | symbol_info (); |
| 583 | must (IT_den_CODE); |
| 584 | } |
| 585 | else if (opt (IT_dds_CODE)) |
| 586 | { |
| 587 | symbol_info (); |
| 588 | must (IT_dds_CODE); |
| 589 | } |
| 590 | else if (opt (IT_dar_CODE)) |
| 591 | { |
| 592 | } |
| 593 | else if (opt (IT_dpt_CODE)) |
| 594 | { |
| 595 | } |
| 596 | else if (opt (IT_dul_CODE)) |
| 597 | { |
| 598 | } |
| 599 | else if (opt (IT_dse_CODE)) |
| 600 | { |
| 601 | } |
| 602 | else if (opt (IT_dot_CODE)) |
| 603 | { |
| 604 | } |
| 605 | else |
| 606 | break; |
| 607 | } |
| 608 | |
| 609 | tab (-1, ""); |
| 610 | } |
| 611 | |
| 612 | static void |
| 613 | program_structure () |
| 614 | { |
| 615 | tab (1, "PROGRAM STRUCTURE"); |
| 616 | while (opt (IT_dps_CODE)) |
| 617 | { |
| 618 | must (IT_dso_CODE); |
| 619 | opt (IT_dss_CODE); |
| 620 | symbol_info (); |
| 621 | must (IT_dps_CODE); |
| 622 | } |
| 623 | tab (-1, ""); |
| 624 | } |
| 625 | |
| 626 | static void |
| 627 | debug_list () |
| 628 | { |
| 629 | tab (1, "DEBUG LIST"); |
| 630 | |
| 631 | must (IT_du_CODE); |
| 632 | opt (IT_dus_CODE); |
| 633 | program_structure (); |
| 634 | must (IT_dln_CODE); |
| 635 | |
| 636 | tab (-1, ""); |
| 637 | } |
| 638 | |
| 639 | static void |
| 640 | module () |
| 641 | { |
| 642 | int c = 0; |
| 643 | int l = 0; |
| 644 | |
| 645 | tab (1, "MODULE***\n"); |
| 646 | |
| 647 | do |
| 648 | { |
| 649 | c = getc (file); |
| 650 | ungetc (c, file); |
| 651 | |
| 652 | c &= 0x7f; |
| 653 | } |
| 654 | while (getone (c) && c != IT_tr_CODE); |
| 655 | |
| 656 | #if 0 |
| 657 | must (IT_cs_CODE); |
| 658 | must (IT_hd_CODE); |
| 659 | opt (IT_hs_CODE); |
| 660 | |
| 661 | unit_info_list (); |
| 662 | object_body_list (); |
| 663 | debug_list (); |
| 664 | |
| 665 | must (IT_tr_CODE); |
| 666 | #endif |
| 667 | tab (-1, ""); |
| 668 | |
| 669 | c = getc (file); |
| 670 | while (c != EOF) |
| 671 | { |
| 672 | printf ("%02x ", c); |
| 673 | l++; |
| 674 | if (l == 32) |
| 675 | { |
| 676 | printf ("\n"); |
| 677 | l = 0; |
| 678 | } |
| 679 | c = getc (file); |
| 680 | } |
| 681 | } |
| 682 | |
| 683 | char *program_name; |
| 684 | |
| 685 | static void |
| 686 | show_usage (file, status) |
| 687 | FILE *file; |
| 688 | int status; |
| 689 | { |
| 690 | fprintf (file, "Usage: %s [-hV] in-file\n", program_name); |
| 691 | exit (status); |
| 692 | } |
| 693 | |
| 694 | static void |
| 695 | show_help () |
| 696 | { |
| 697 | printf ("%s: Print a human readable interpretation of a SYSROFF object file\n", |
| 698 | program_name); |
| 699 | show_usage (stdout, 0); |
| 700 | } |
| 701 | |
| 702 | int |
| 703 | main (ac, av) |
| 704 | int ac; |
| 705 | char **av; |
| 706 | { |
| 707 | char *input_file = NULL; |
| 708 | int opt; |
| 709 | static struct option long_options[] = |
| 710 | { |
| 711 | {"help", no_argument, 0, 'h'}, |
| 712 | {"version", no_argument, 0, 'V'}, |
| 713 | {NULL, no_argument, 0, 0} |
| 714 | }; |
| 715 | |
| 716 | program_name = av[0]; |
| 717 | xmalloc_set_program_name (program_name); |
| 718 | |
| 719 | while ((opt = getopt_long (ac, av, "hV", long_options, (int *) NULL)) != EOF) |
| 720 | { |
| 721 | switch (opt) |
| 722 | { |
| 723 | case 'h': |
| 724 | show_help (); |
| 725 | /*NOTREACHED*/ |
| 726 | case 'V': |
| 727 | printf ("GNU %s version %s\n", program_name, PROGRAM_VERSION); |
| 728 | exit (0); |
| 729 | /*NOTREACHED*/ |
| 730 | case 0: |
| 731 | break; |
| 732 | default: |
| 733 | show_usage (stderr, 1); |
| 734 | /*NOTREACHED*/ |
| 735 | } |
| 736 | } |
| 737 | |
| 738 | /* The input and output files may be named on the command line. */ |
| 739 | |
| 740 | if (optind < ac) |
| 741 | { |
| 742 | input_file = av[optind]; |
| 743 | } |
| 744 | |
| 745 | if (!input_file) |
| 746 | { |
| 747 | fprintf (stderr, "%s: no input file specified\n", |
| 748 | program_name); |
| 749 | exit (1); |
| 750 | } |
| 751 | |
| 752 | file = fopen (input_file, FOPEN_RB); |
| 753 | if (!file) |
| 754 | { |
| 755 | fprintf (stderr, "%s: cannot open input file %s\n", |
| 756 | program_name, input_file); |
| 757 | exit (1); |
| 758 | } |
| 759 | |
| 760 | module (); |
| 761 | return 0; |
| 762 | } |