| File: | src/usr.sbin/mopd/mopchk/../common/file.c |
| Warning: | line 1314, column 4 Value stored to 'bsz' is never read |
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| 1 | /* $OpenBSD: file.c,v 1.19 2017/10/29 08:45:53 mpi Exp $ */ |
| 2 | |
| 3 | /* |
| 4 | * Copyright (c) 1995-96 Mats O Jansson. All rights reserved. |
| 5 | * |
| 6 | * Redistribution and use in source and binary forms, with or without |
| 7 | * modification, are permitted provided that the following conditions |
| 8 | * are met: |
| 9 | * 1. Redistributions of source code must retain the above copyright |
| 10 | * notice, this list of conditions and the following disclaimer. |
| 11 | * 2. Redistributions in binary form must reproduce the above copyright |
| 12 | * notice, this list of conditions and the following disclaimer in the |
| 13 | * documentation and/or other materials provided with the distribution. |
| 14 | * |
| 15 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| 16 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| 17 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| 18 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 19 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 20 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 21 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 22 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 23 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| 24 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 25 | */ |
| 26 | |
| 27 | #include "os.h" |
| 28 | #include "common.h" |
| 29 | #include "file.h" |
| 30 | #include "mopdef.h" |
| 31 | #include <stddef.h> |
| 32 | |
| 33 | #ifndef NOAOUT |
| 34 | #if defined(__OpenBSD__1) |
| 35 | #include <sys/exec.h> |
| 36 | #endif |
| 37 | #if defined(__bsdi__) |
| 38 | #define NOAOUT |
| 39 | #endif |
| 40 | #if defined(__FreeBSD__) |
| 41 | #include <sys/imgact_aout.h> |
| 42 | #endif |
| 43 | #if !defined(MID_I386134) |
| 44 | #define MID_I386134 134 |
| 45 | #endif |
| 46 | #if !defined(MID_SPARC138) |
| 47 | #define MID_SPARC138 138 |
| 48 | #endif |
| 49 | #if !defined(MID_VAX150) |
| 50 | #define MID_VAX150 140 |
| 51 | #endif |
| 52 | #endif |
| 53 | |
| 54 | #ifndef NOELF |
| 55 | #if defined(__OpenBSD__1) |
| 56 | #include <elf.h> |
| 57 | #else |
| 58 | #define NOELF |
| 59 | #endif |
| 60 | #endif |
| 61 | |
| 62 | #ifndef NOELF |
| 63 | #if !defined(_LP641) |
| 64 | #define NOELF64 |
| 65 | #endif |
| 66 | #endif |
| 67 | |
| 68 | #ifndef NOAOUT |
| 69 | static int getCLBYTES(int); |
| 70 | static int getMID(int, int); |
| 71 | #endif |
| 72 | |
| 73 | const char * |
| 74 | FileTypeName(mopd_imagetype type) |
| 75 | { |
| 76 | |
| 77 | switch (type) { |
| 78 | case IMAGE_TYPE_MOP: |
| 79 | return ("MOP"); |
| 80 | |
| 81 | case IMAGE_TYPE_ELF32: |
| 82 | return ("Elf32"); |
| 83 | |
| 84 | case IMAGE_TYPE_ELF64: |
| 85 | return ("Elf64"); |
| 86 | |
| 87 | case IMAGE_TYPE_AOUT: |
| 88 | return ("a.out"); |
| 89 | } |
| 90 | |
| 91 | abort(); |
| 92 | } |
| 93 | |
| 94 | void |
| 95 | mopFilePutLX(u_char *buf, int idx, u_int32_t value, int cnt) |
| 96 | { |
| 97 | int i; |
| 98 | for (i = 0; i < cnt; i++) { |
| 99 | buf[idx+i] = value % 256; |
| 100 | value = value / 256; |
| 101 | } |
| 102 | } |
| 103 | |
| 104 | void |
| 105 | mopFilePutBX(u_char *buf, int idx, u_int32_t value, int cnt) |
| 106 | { |
| 107 | int i; |
| 108 | for (i = 0; i < cnt; i++) { |
| 109 | buf[idx+cnt-1-i] = value % 256; |
| 110 | value = value / 256; |
| 111 | } |
| 112 | } |
| 113 | |
| 114 | u_int32_t |
| 115 | mopFileGetLX(u_char *buf, int idx, int cnt) |
| 116 | { |
| 117 | u_int32_t ret = 0; |
| 118 | int i; |
| 119 | |
| 120 | for (i = 0; i < cnt; i++) { |
| 121 | int j = idx + cnt - 1 - i; |
| 122 | if (j < 0) |
| 123 | abort(); |
| 124 | ret = ret * 256 + buf[j]; |
| 125 | } |
| 126 | |
| 127 | return(ret); |
| 128 | } |
| 129 | |
| 130 | u_int32_t |
| 131 | mopFileGetBX(u_char *buf, int idx, int cnt) |
| 132 | { |
| 133 | u_int32_t ret = 0; |
| 134 | int i; |
| 135 | |
| 136 | for (i = 0; i < cnt; i++) { |
| 137 | int j = idx + i; |
| 138 | if (j < 0) |
| 139 | abort(); |
| 140 | ret = ret * 256 + buf[j]; |
| 141 | } |
| 142 | |
| 143 | return(ret); |
| 144 | } |
| 145 | |
| 146 | #if !defined(NOELF) && !defined(NOELF64) |
| 147 | u_int64_t |
| 148 | mopFileGetLXX(u_char *buf, int idx, int cnt) |
| 149 | { |
| 150 | u_int64_t ret = 0; |
| 151 | int i; |
| 152 | |
| 153 | for (i = 0; i < cnt; i++) { |
| 154 | int j = idx + cnt - 1 - i; |
| 155 | if (j < 0) |
| 156 | abort(); |
| 157 | ret = ret * 256 + buf[j]; |
| 158 | } |
| 159 | |
| 160 | return(ret); |
| 161 | } |
| 162 | |
| 163 | u_int64_t |
| 164 | mopFileGetBXX(u_char *buf, int idx, int cnt) |
| 165 | { |
| 166 | u_int64_t ret = 0; |
| 167 | int i; |
| 168 | |
| 169 | for (i = 0; i < cnt; i++) { |
| 170 | int j = idx + i; |
| 171 | if (j < 0) |
| 172 | abort(); |
| 173 | ret = ret * 256 + buf[j]; |
| 174 | } |
| 175 | |
| 176 | return(ret); |
| 177 | } |
| 178 | #endif |
| 179 | |
| 180 | void |
| 181 | mopFileSwapX(u_char *buf, int idx, int cnt) |
| 182 | { |
| 183 | int i; |
| 184 | u_char c; |
| 185 | |
| 186 | for (i = 0; i < (cnt / 2); i++) { |
| 187 | c = buf[idx+i]; |
| 188 | buf[idx+i] = buf[idx+cnt-1-i]; |
| 189 | buf[idx+cnt-1-i] = c; |
| 190 | } |
| 191 | |
| 192 | } |
| 193 | |
| 194 | int |
| 195 | CheckMopFile(int fd) |
| 196 | { |
| 197 | u_char header[512]; |
| 198 | short image_type; |
| 199 | |
| 200 | if (read(fd, header, 512) != 512) |
| 201 | return(-1); |
| 202 | |
| 203 | (void)lseek(fd, (off_t) 0, SEEK_SET0); |
| 204 | |
| 205 | image_type = (u_short)(header[IHD_W_ALIAS510+1]*256 + header[IHD_W_ALIAS510]); |
| 206 | |
| 207 | switch(image_type) { |
| 208 | case IHD_C_NATIVE-1: /* Native mode image (VAX) */ |
| 209 | case IHD_C_RSX0: /* RSX image produced by TKB */ |
| 210 | case IHD_C_BPA1: /* BASIC plus analog */ |
| 211 | case IHD_C_ALIAS2: /* Alias */ |
| 212 | case IHD_C_CLI3: /* Image is CLI */ |
| 213 | case IHD_C_PMAX4: /* PMAX system image */ |
| 214 | case IHD_C_ALPHA5: /* ALPHA system image */ |
| 215 | break; |
| 216 | default: |
| 217 | return(-1); |
| 218 | } |
| 219 | |
| 220 | return(0); |
| 221 | } |
| 222 | |
| 223 | int |
| 224 | GetMopFileInfo(struct dllist *dl, int info) |
| 225 | { |
| 226 | u_char header[512]; |
| 227 | short image_type; |
| 228 | u_int32_t load_addr, xfr_addr, isd, iha, hbcnt, isize; |
| 229 | |
| 230 | if (read(dl->ldfd, header, 512) != 512) |
| 231 | return(-1); |
| 232 | |
| 233 | image_type = (u_short)(header[IHD_W_ALIAS510+1]*256 + |
| 234 | header[IHD_W_ALIAS510]); |
| 235 | |
| 236 | switch (image_type) { |
| 237 | case IHD_C_NATIVE-1: /* Native mode image (VAX) */ |
| 238 | isd = (header[IHD_W_SIZE0+1]*256 + |
| 239 | header[IHD_W_SIZE0]); |
| 240 | iha = (header[IHD_W_ACTIVOFF2+1]*256 + |
| 241 | header[IHD_W_ACTIVOFF2]); |
| 242 | hbcnt = (header[IHD_B_HDRBLKCNT16]); |
| 243 | isize = (header[isd+ISD_W_PAGCNT2+1]*256 + |
| 244 | header[isd+ISD_W_PAGCNT2]) * 512; |
| 245 | load_addr = ((header[isd+ISD_V_VPN4+1]*256 + |
| 246 | header[isd+ISD_V_VPN4]) & ISD_M_VPN0x1fffff) |
| 247 | * 512; |
| 248 | xfr_addr = (header[iha+IHA_L_TFRADR10+3]*0x1000000 + |
| 249 | header[iha+IHA_L_TFRADR10+2]*0x10000 + |
| 250 | header[iha+IHA_L_TFRADR10+1]*0x100 + |
| 251 | header[iha+IHA_L_TFRADR10]) & 0x7fffffff; |
| 252 | if (info == INFO_PRINT1) { |
| 253 | printf("Native Image (VAX)\n"); |
| 254 | printf("Header Block Count: %d\n",hbcnt); |
| 255 | printf("Image Size: %08x\n",isize); |
| 256 | printf("Load Address: %08x\n",load_addr); |
| 257 | printf("Transfer Address: %08x\n",xfr_addr); |
| 258 | } |
| 259 | break; |
| 260 | case IHD_C_RSX0: /* RSX image produced by TKB */ |
| 261 | hbcnt = header[L_BBLK0xf0+1]*256 + header[L_BBLK0xf0]; |
| 262 | isize = (header[L_BLDZ0x0e+1]*256 + header[L_BLDZ0x0e]) * 64; |
| 263 | load_addr = header[L_BSA0x08+1]*256 + header[L_BSA0x08]; |
| 264 | xfr_addr = header[L_BXFR0xe8+1]*256 + header[L_BXFR0xe8]; |
| 265 | if (info == INFO_PRINT1) { |
| 266 | printf("RSX Image\n"); |
| 267 | printf("Header Block Count: %d\n",hbcnt); |
| 268 | printf("Image Size: %08x\n",isize); |
| 269 | printf("Load Address: %08x\n",load_addr); |
| 270 | printf("Transfer Address: %08x\n",xfr_addr); |
| 271 | } |
| 272 | break; |
| 273 | case IHD_C_BPA1: /* BASIC plus analog */ |
| 274 | if (info == INFO_PRINT1) { |
| 275 | printf("BASIC-Plus Image, not supported\n"); |
| 276 | } |
| 277 | return(-1); |
| 278 | break; |
| 279 | case IHD_C_ALIAS2: /* Alias */ |
| 280 | if (info == INFO_PRINT1) { |
| 281 | printf("Alias, not supported\n"); |
| 282 | } |
| 283 | return(-1); |
| 284 | break; |
| 285 | case IHD_C_CLI3: /* Image is CLI */ |
| 286 | if (info == INFO_PRINT1) { |
| 287 | printf("CLI, not supported\n"); |
| 288 | } |
| 289 | return(-1); |
| 290 | break; |
| 291 | case IHD_C_PMAX4: /* PMAX system image */ |
| 292 | isd = (header[IHD_W_SIZE0+1]*256 + |
| 293 | header[IHD_W_SIZE0]); |
| 294 | iha = (header[IHD_W_ACTIVOFF2+1]*256 + |
| 295 | header[IHD_W_ACTIVOFF2]); |
| 296 | hbcnt = (header[IHD_B_HDRBLKCNT16]); |
| 297 | isize = (header[isd+ISD_W_PAGCNT2+1]*256 + |
| 298 | header[isd+ISD_W_PAGCNT2]) * 512; |
| 299 | load_addr = (header[isd+ISD_V_VPN4+1]*256 + |
| 300 | header[isd+ISD_V_VPN4]) * 512; |
| 301 | xfr_addr = (header[iha+IHA_L_TFRADR10+3]*0x1000000 + |
| 302 | header[iha+IHA_L_TFRADR10+2]*0x10000 + |
| 303 | header[iha+IHA_L_TFRADR10+1]*0x100 + |
| 304 | header[iha+IHA_L_TFRADR10]); |
| 305 | if (info == INFO_PRINT1) { |
| 306 | printf("PMAX Image \n"); |
| 307 | printf("Header Block Count: %d\n",hbcnt); |
| 308 | printf("Image Size: %08x\n",isize); |
| 309 | printf("Load Address: %08x\n",load_addr); |
| 310 | printf("Transfer Address: %08x\n",xfr_addr); |
| 311 | } |
| 312 | break; |
| 313 | case IHD_C_ALPHA5: /* ALPHA system image */ |
| 314 | isd = (header[EIHD_L_ISDOFF12+3]*0x1000000 + |
| 315 | header[EIHD_L_ISDOFF12+2]*0x10000 + |
| 316 | header[EIHD_L_ISDOFF12+1]*0x100 + |
| 317 | header[EIHD_L_ISDOFF12]); |
| 318 | hbcnt = (header[EIHD_L_HDRBLKCNT76+3]*0x1000000 + |
| 319 | header[EIHD_L_HDRBLKCNT76+2]*0x10000 + |
| 320 | header[EIHD_L_HDRBLKCNT76+1]*0x100 + |
| 321 | header[EIHD_L_HDRBLKCNT76]); |
| 322 | isize = (header[isd+EISD_L_SECSIZE12+3]*0x1000000 + |
| 323 | header[isd+EISD_L_SECSIZE12+2]*0x10000 + |
| 324 | header[isd+EISD_L_SECSIZE12+1]*0x100 + |
| 325 | header[isd+EISD_L_SECSIZE12]); |
| 326 | load_addr = 0; |
| 327 | xfr_addr = 0; |
| 328 | if (info == INFO_PRINT1) { |
| 329 | printf("Alpha Image \n"); |
| 330 | printf("Header Block Count: %d\n",hbcnt); |
| 331 | printf("Image Size: %08x\n",isize); |
| 332 | printf("Load Address: %08x\n",load_addr); |
| 333 | printf("Transfer Address: %08x\n",xfr_addr); |
| 334 | } |
| 335 | break; |
| 336 | default: |
| 337 | if (info == INFO_PRINT1) { |
| 338 | printf("Unknown Image (%d)\n",image_type); |
| 339 | } |
| 340 | return(-1); |
| 341 | } |
| 342 | |
| 343 | dl->image_type = IMAGE_TYPE_MOP; |
| 344 | dl->loadaddr = load_addr; |
| 345 | dl->xferaddr = xfr_addr; |
| 346 | |
| 347 | return(0); |
| 348 | } |
| 349 | |
| 350 | #ifndef NOAOUT |
| 351 | static int |
| 352 | getMID(int old_mid, int new_mid) |
| 353 | { |
| 354 | int mid; |
| 355 | |
| 356 | mid = old_mid; |
| 357 | |
| 358 | switch (new_mid) { |
| 359 | case MID_I386134: |
| 360 | mid = MID_I386134; |
| 361 | break; |
| 362 | #ifdef MID_M68K135 |
| 363 | case MID_M68K135: |
| 364 | mid = MID_M68K135; |
| 365 | break; |
| 366 | #endif |
| 367 | #ifdef MID_M68K4K136 |
| 368 | case MID_M68K4K136: |
| 369 | mid = MID_M68K4K136; |
| 370 | break; |
| 371 | #endif |
| 372 | #ifdef MID_NS32532137 |
| 373 | case MID_NS32532137: |
| 374 | mid = MID_NS32532137; |
| 375 | break; |
| 376 | #endif |
| 377 | case MID_SPARC138: |
| 378 | mid = MID_SPARC138; |
| 379 | break; |
| 380 | #ifdef MID_PMAX139 |
| 381 | case MID_PMAX139: |
| 382 | mid = MID_PMAX139; |
| 383 | break; |
| 384 | #endif |
| 385 | #ifdef MID_VAX150 |
| 386 | case MID_VAX150: |
| 387 | mid = MID_VAX150; |
| 388 | break; |
| 389 | #endif |
| 390 | #ifdef MID_ALPHA141 |
| 391 | case MID_ALPHA141: |
| 392 | mid = MID_ALPHA141; |
| 393 | break; |
| 394 | #endif |
| 395 | #ifdef MID_MIPS142 |
| 396 | case MID_MIPS142: |
| 397 | mid = MID_MIPS142; |
| 398 | break; |
| 399 | #endif |
| 400 | #ifdef MID_ARM6143 |
| 401 | case MID_ARM6143: |
| 402 | mid = MID_ARM6143; |
| 403 | break; |
| 404 | #endif |
| 405 | default: |
| 406 | break; |
| 407 | } |
| 408 | |
| 409 | return(mid); |
| 410 | } |
| 411 | |
| 412 | static int |
| 413 | getCLBYTES(int mid) |
| 414 | { |
| 415 | int clbytes; |
| 416 | |
| 417 | switch (mid) { |
| 418 | #ifdef MID_VAX150 |
| 419 | case MID_VAX150: |
| 420 | clbytes = 1024; |
| 421 | break; |
| 422 | #endif |
| 423 | #ifdef MID_I386134 |
| 424 | case MID_I386134: |
| 425 | #endif |
| 426 | #ifdef MID_M68K4K136 |
| 427 | case MID_M68K4K136: |
| 428 | #endif |
| 429 | #ifdef MID_NS32532137 |
| 430 | case MID_NS32532137: |
| 431 | #endif |
| 432 | #ifdef MID_PMAX139 |
| 433 | case MID_PMAX139: |
| 434 | #endif |
| 435 | #ifdef MID_MIPS142 |
| 436 | case MID_MIPS142: |
| 437 | #endif |
| 438 | #ifdef MID_ARM6143 |
| 439 | case MID_ARM6143: |
| 440 | #endif |
| 441 | #if defined(MID_I386134) || defined(MID_M68K4K136) || defined(MID_NS32532137) || \ |
| 442 | defined(MID_PMAX139) || defined(MID_MIPS142) || defined(MID_ARM6143) |
| 443 | clbytes = 4096; |
| 444 | break; |
| 445 | #endif |
| 446 | #ifdef MID_M68K135 |
| 447 | case MID_M68K135: |
| 448 | #endif |
| 449 | #ifdef MID_ALPHA141 |
| 450 | case MID_ALPHA141: |
| 451 | #endif |
| 452 | #ifdef MID_SPARC138 |
| 453 | case MID_SPARC138: |
| 454 | #endif |
| 455 | #if defined(MID_M68K135) || defined(MID_ALPHA141) || defined(MID_SPARC138) |
| 456 | clbytes = 8192; |
| 457 | break; |
| 458 | #endif |
| 459 | default: |
| 460 | clbytes = 0; |
| 461 | } |
| 462 | |
| 463 | return(clbytes); |
| 464 | } |
| 465 | #endif |
| 466 | |
| 467 | int |
| 468 | CheckElfFile(int fd) |
| 469 | { |
| 470 | #ifdef NOELF |
| 471 | return(-1); |
| 472 | #else |
| 473 | Elf32_Ehdr ehdr; |
| 474 | |
| 475 | (void)lseek(fd, (off_t) 0, SEEK_SET0); |
| 476 | |
| 477 | if (read(fd, (char *)&ehdr, sizeof(ehdr)) != sizeof(ehdr)) |
| 478 | return(-1); |
| 479 | |
| 480 | if (ehdr.e_ident[0] != ELFMAG00x7f || |
| 481 | ehdr.e_ident[1] != ELFMAG1'E' || |
| 482 | ehdr.e_ident[2] != ELFMAG2'L' || |
| 483 | ehdr.e_ident[3] != ELFMAG3'F') |
| 484 | return(-1); |
| 485 | |
| 486 | /* Must be Elf32 or Elf64... */ |
| 487 | if (ehdr.e_ident[EI_CLASS4] != ELFCLASS321 && |
| 488 | ehdr.e_ident[EI_CLASS4] != ELFCLASS642) |
| 489 | return(-1); |
| 490 | |
| 491 | return(0); |
| 492 | #endif /* NOELF */ |
| 493 | } |
| 494 | |
| 495 | int |
| 496 | GetElf32FileInfo(struct dllist *dl, int info) |
| 497 | { |
| 498 | #ifdef NOELF |
| 499 | return(-1); |
| 500 | #else |
| 501 | Elf32_Ehdr ehdr; |
| 502 | Elf32_Phdr phdr; |
| 503 | uint32_t e_machine, e_entry; |
| 504 | uint32_t e_phoff, e_phentsize, e_phnum; |
| 505 | int ei_data, i; |
| 506 | |
| 507 | (void)lseek(dl->ldfd, (off_t) 0, SEEK_SET0); |
| 508 | |
| 509 | if (read(dl->ldfd, (char *)&ehdr, sizeof(ehdr)) != sizeof(ehdr)) |
| 510 | return(-1); |
| 511 | |
| 512 | if (ehdr.e_ident[0] != ELFMAG00x7f || |
| 513 | ehdr.e_ident[1] != ELFMAG1'E' || |
| 514 | ehdr.e_ident[2] != ELFMAG2'L' || |
| 515 | ehdr.e_ident[3] != ELFMAG3'F') |
| 516 | return(-1); |
| 517 | |
| 518 | /* Must be Elf32... */ |
| 519 | if (ehdr.e_ident[EI_CLASS4] != ELFCLASS321) |
| 520 | return(-1); |
| 521 | |
| 522 | ei_data = ehdr.e_ident[EI_DATA5]; |
| 523 | |
| 524 | switch (ei_data) { |
| 525 | case ELFDATA2LSB1: |
| 526 | e_machine = mopFileGetLX((u_char *) &ehdr, |
| 527 | offsetof(Elf32_Ehdr, e_machine)__builtin_offsetof(Elf32_Ehdr, e_machine), |
| 528 | sizeof(ehdr.e_machine)); |
| 529 | e_entry = mopFileGetLX((u_char *) &ehdr, |
| 530 | offsetof(Elf32_Ehdr, e_entry)__builtin_offsetof(Elf32_Ehdr, e_entry), |
| 531 | sizeof(ehdr.e_entry)); |
| 532 | |
| 533 | e_phoff = mopFileGetLX((u_char *) &ehdr, |
| 534 | offsetof(Elf32_Ehdr, e_phoff)__builtin_offsetof(Elf32_Ehdr, e_phoff), |
| 535 | sizeof(ehdr.e_phoff)); |
| 536 | e_phentsize = mopFileGetLX((u_char *) &ehdr, |
| 537 | offsetof(Elf32_Ehdr, e_phentsize)__builtin_offsetof(Elf32_Ehdr, e_phentsize), |
| 538 | sizeof(ehdr.e_phentsize)); |
| 539 | e_phnum = mopFileGetLX((u_char *) &ehdr, |
| 540 | offsetof(Elf32_Ehdr, e_phnum)__builtin_offsetof(Elf32_Ehdr, e_phnum), |
| 541 | sizeof(ehdr.e_phnum)); |
| 542 | break; |
| 543 | |
| 544 | case ELFDATA2MSB2: |
| 545 | e_machine = mopFileGetBX((u_char *) &ehdr, |
| 546 | offsetof(Elf32_Ehdr, e_machine)__builtin_offsetof(Elf32_Ehdr, e_machine), |
| 547 | sizeof(ehdr.e_machine)); |
| 548 | e_entry = mopFileGetBX((u_char *) &ehdr, |
| 549 | offsetof(Elf32_Ehdr, e_entry)__builtin_offsetof(Elf32_Ehdr, e_entry), |
| 550 | sizeof(ehdr.e_entry)); |
| 551 | |
| 552 | e_phoff = mopFileGetBX((u_char *) &ehdr, |
| 553 | offsetof(Elf32_Ehdr, e_phoff)__builtin_offsetof(Elf32_Ehdr, e_phoff), |
| 554 | sizeof(ehdr.e_phoff)); |
| 555 | e_phentsize = mopFileGetBX((u_char *) &ehdr, |
| 556 | offsetof(Elf32_Ehdr, e_phentsize)__builtin_offsetof(Elf32_Ehdr, e_phentsize), |
| 557 | sizeof(ehdr.e_phentsize)); |
| 558 | e_phnum = mopFileGetBX((u_char *) &ehdr, |
| 559 | offsetof(Elf32_Ehdr, e_phnum)__builtin_offsetof(Elf32_Ehdr, e_phnum), |
| 560 | sizeof(ehdr.e_phnum)); |
| 561 | break; |
| 562 | |
| 563 | default: |
| 564 | return(-1); |
| 565 | } |
| 566 | |
| 567 | if (e_phnum > SEC_MAX4) |
| 568 | return(-1); |
| 569 | dl->e_nsec = e_phnum; |
| 570 | for (i = 0; i < dl->e_nsec; i++) { |
| 571 | if (lseek(dl->ldfd, (off_t) e_phoff + (i * e_phentsize), |
| 572 | SEEK_SET0) == (off_t) -1) |
| 573 | return(-1); |
| 574 | if (read(dl->ldfd, (char *) &phdr, sizeof(phdr)) != |
| 575 | sizeof(phdr)) |
| 576 | return(-1); |
| 577 | |
| 578 | switch (ei_data) { |
| 579 | case ELFDATA2LSB1: |
| 580 | dl->e_sections[i].s_foff = |
| 581 | mopFileGetLX((u_char *) &phdr, |
| 582 | offsetof(Elf32_Phdr, p_offset)__builtin_offsetof(Elf32_Phdr, p_offset), |
| 583 | sizeof(phdr.p_offset)); |
| 584 | dl->e_sections[i].s_vaddr = |
| 585 | mopFileGetLX((u_char *) &phdr, |
| 586 | offsetof(Elf32_Phdr, p_vaddr)__builtin_offsetof(Elf32_Phdr, p_vaddr), |
| 587 | sizeof(phdr.p_vaddr)); |
| 588 | dl->e_sections[i].s_fsize = |
| 589 | mopFileGetLX((u_char *) &phdr, |
| 590 | offsetof(Elf32_Phdr, p_filesz)__builtin_offsetof(Elf32_Phdr, p_filesz), |
| 591 | sizeof(phdr.p_filesz)); |
| 592 | dl->e_sections[i].s_msize = |
| 593 | mopFileGetLX((u_char *) &phdr, |
| 594 | offsetof(Elf32_Phdr, p_memsz)__builtin_offsetof(Elf32_Phdr, p_memsz), |
| 595 | sizeof(phdr.p_memsz)); |
| 596 | break; |
| 597 | |
| 598 | case ELFDATA2MSB2: |
| 599 | dl->e_sections[i].s_foff = |
| 600 | mopFileGetBX((u_char *) &phdr, |
| 601 | offsetof(Elf32_Phdr, p_offset)__builtin_offsetof(Elf32_Phdr, p_offset), |
| 602 | sizeof(phdr.p_offset)); |
| 603 | dl->e_sections[i].s_vaddr = |
| 604 | mopFileGetBX((u_char *) &phdr, |
| 605 | offsetof(Elf32_Phdr, p_vaddr)__builtin_offsetof(Elf32_Phdr, p_vaddr), |
| 606 | sizeof(phdr.p_vaddr)); |
| 607 | dl->e_sections[i].s_fsize = |
| 608 | mopFileGetBX((u_char *) &phdr, |
| 609 | offsetof(Elf32_Phdr, p_filesz)__builtin_offsetof(Elf32_Phdr, p_filesz), |
| 610 | sizeof(phdr.p_filesz)); |
| 611 | dl->e_sections[i].s_msize = |
| 612 | mopFileGetBX((u_char *) &phdr, |
| 613 | offsetof(Elf32_Phdr, p_memsz)__builtin_offsetof(Elf32_Phdr, p_memsz), |
| 614 | sizeof(phdr.p_memsz)); |
| 615 | break; |
| 616 | |
| 617 | default: |
| 618 | return(-1); |
| 619 | } |
| 620 | } |
| 621 | /* |
| 622 | * In addition to padding between segments, this also |
| 623 | * takes care of memsz > filesz. |
| 624 | */ |
| 625 | for (i = 0; i < dl->e_nsec - 1; i++) { |
| 626 | dl->e_sections[i].s_pad = |
| 627 | dl->e_sections[i + 1].s_vaddr - |
| 628 | (dl->e_sections[i].s_vaddr + dl->e_sections[i].s_fsize); |
| 629 | } |
| 630 | dl->e_sections[dl->e_nsec - 1].s_pad = |
| 631 | dl->e_sections[dl->e_nsec - 1].s_msize - |
| 632 | dl->e_sections[dl->e_nsec - 1].s_fsize; |
| 633 | /* |
| 634 | * Now compute the logical offsets for each section. |
| 635 | */ |
| 636 | dl->e_sections[0].s_loff = 0; |
| 637 | for (i = 1; i < dl->e_nsec; i++) { |
| 638 | dl->e_sections[i].s_loff = |
| 639 | dl->e_sections[i - 1].s_loff + |
| 640 | dl->e_sections[i - 1].s_fsize + |
| 641 | dl->e_sections[i - 1].s_pad; |
| 642 | } |
| 643 | |
| 644 | dl->image_type = IMAGE_TYPE_ELF32; |
| 645 | dl->loadaddr = 0; |
| 646 | #if 0 |
| 647 | dl->xferaddr = e_entry; /* will relocate itself if necessary */ |
| 648 | #else |
| 649 | dl->xferaddr = e_entry - dl->e_sections[0].s_vaddr; |
| 650 | #endif |
| 651 | |
| 652 | /* Print info about the image. */ |
| 653 | if (info == INFO_PRINT1) { |
| 654 | printf("Elf32 image ("); |
| 655 | switch (e_machine) { |
| 656 | #ifdef EM_VAX75 |
| 657 | case EM_VAX75: |
| 658 | printf("VAX"); |
| 659 | break; |
| 660 | #endif |
| 661 | default: |
| 662 | printf("machine %d", e_machine); |
| 663 | break; |
| 664 | } |
| 665 | printf(")\n"); |
| 666 | printf("Transfer Address: %08x\n", dl->xferaddr); |
| 667 | printf("Program Sections: %d\n", dl->e_nsec); |
| 668 | for (i = 0; i < dl->e_nsec; i++) { |
| 669 | printf(" S%d File Size: %08x\n", i, |
| 670 | dl->e_sections[i].s_fsize); |
| 671 | printf(" S%d Pad Size: %08x\n", i, |
| 672 | dl->e_sections[i].s_pad); |
| 673 | } |
| 674 | } |
| 675 | |
| 676 | dl->e_machine = e_machine; |
| 677 | |
| 678 | dl->e_curpos = 0; |
| 679 | dl->e_cursec = 0; |
| 680 | |
| 681 | return(0); |
| 682 | #endif /* NOELF */ |
| 683 | } |
| 684 | |
| 685 | int |
| 686 | GetElf64FileInfo(struct dllist *dl, int info) |
| 687 | { |
| 688 | #if defined(NOELF) || defined(NOELF64) |
| 689 | return(-1); |
| 690 | #else |
| 691 | Elf64_Ehdr ehdr; |
| 692 | Elf64_Phdr phdr; |
| 693 | uint32_t e_machine; |
| 694 | uint32_t e_phentsize, e_phnum; |
| 695 | uint64_t e_entry, e_phoff; |
| 696 | int ei_data, i; |
| 697 | |
| 698 | (void)lseek(dl->ldfd, (off_t) 0, SEEK_SET0); |
| 699 | |
| 700 | if (read(dl->ldfd, (char *)&ehdr, sizeof(ehdr)) != sizeof(ehdr)) |
| 701 | return(-1); |
| 702 | |
| 703 | if (ehdr.e_ident[0] != ELFMAG00x7f || |
| 704 | ehdr.e_ident[1] != ELFMAG1'E' || |
| 705 | ehdr.e_ident[2] != ELFMAG2'L' || |
| 706 | ehdr.e_ident[3] != ELFMAG3'F') |
| 707 | return(-1); |
| 708 | |
| 709 | /* Must be Elf64... */ |
| 710 | if (ehdr.e_ident[EI_CLASS4] != ELFCLASS642) |
| 711 | return(-1); |
| 712 | |
| 713 | ei_data = ehdr.e_ident[EI_DATA5]; |
| 714 | |
| 715 | switch (ei_data) { |
| 716 | case ELFDATA2LSB1: |
| 717 | e_machine = mopFileGetLX((u_char *) &ehdr, |
| 718 | offsetof(Elf64_Ehdr, e_machine)__builtin_offsetof(Elf64_Ehdr, e_machine), |
| 719 | sizeof(ehdr.e_machine)); |
| 720 | e_entry = mopFileGetLXX((u_char *) &ehdr, |
| 721 | offsetof(Elf64_Ehdr, e_entry)__builtin_offsetof(Elf64_Ehdr, e_entry), |
| 722 | sizeof(ehdr.e_entry)); |
| 723 | |
| 724 | e_phoff = mopFileGetLXX((u_char *) &ehdr, |
| 725 | offsetof(Elf64_Ehdr, e_phoff)__builtin_offsetof(Elf64_Ehdr, e_phoff), |
| 726 | sizeof(ehdr.e_phoff)); |
| 727 | e_phentsize = mopFileGetLX((u_char *) &ehdr, |
| 728 | offsetof(Elf64_Ehdr, e_phentsize)__builtin_offsetof(Elf64_Ehdr, e_phentsize), |
| 729 | sizeof(ehdr.e_phentsize)); |
| 730 | e_phnum = mopFileGetLX((u_char *) &ehdr, |
| 731 | offsetof(Elf64_Ehdr, e_phnum)__builtin_offsetof(Elf64_Ehdr, e_phnum), |
| 732 | sizeof(ehdr.e_phnum)); |
| 733 | break; |
| 734 | |
| 735 | case ELFDATA2MSB2: |
| 736 | e_machine = mopFileGetBX((u_char *) &ehdr, |
| 737 | offsetof(Elf64_Ehdr, e_machine)__builtin_offsetof(Elf64_Ehdr, e_machine), |
| 738 | sizeof(ehdr.e_machine)); |
| 739 | e_entry = mopFileGetBXX((u_char *) &ehdr, |
| 740 | offsetof(Elf64_Ehdr, e_entry)__builtin_offsetof(Elf64_Ehdr, e_entry), |
| 741 | sizeof(ehdr.e_entry)); |
| 742 | |
| 743 | e_phoff = mopFileGetBXX((u_char *) &ehdr, |
| 744 | offsetof(Elf64_Ehdr, e_phoff)__builtin_offsetof(Elf64_Ehdr, e_phoff), |
| 745 | sizeof(ehdr.e_phoff)); |
| 746 | e_phentsize = mopFileGetBX((u_char *) &ehdr, |
| 747 | offsetof(Elf64_Ehdr, e_phentsize)__builtin_offsetof(Elf64_Ehdr, e_phentsize), |
| 748 | sizeof(ehdr.e_phentsize)); |
| 749 | e_phnum = mopFileGetBX((u_char *) &ehdr, |
| 750 | offsetof(Elf64_Ehdr, e_phnum)__builtin_offsetof(Elf64_Ehdr, e_phnum), |
| 751 | sizeof(ehdr.e_phnum)); |
| 752 | break; |
| 753 | |
| 754 | default: |
| 755 | return(-1); |
| 756 | } |
| 757 | |
| 758 | if (e_phnum > SEC_MAX4) |
| 759 | return(-1); |
| 760 | dl->e_nsec = e_phnum; |
| 761 | for (i = 0; i < dl->e_nsec; i++) { |
| 762 | if (lseek(dl->ldfd, (off_t) e_phoff + (i * e_phentsize), |
| 763 | SEEK_SET0) == (off_t) -1) |
| 764 | return(-1); |
| 765 | if (read(dl->ldfd, (char *) &phdr, sizeof(phdr)) != |
| 766 | sizeof(phdr)) |
| 767 | return(-1); |
| 768 | |
| 769 | switch (ei_data) { |
| 770 | case ELFDATA2LSB1: |
| 771 | dl->e_sections[i].s_foff = |
| 772 | mopFileGetLX((u_char *) &phdr, |
| 773 | offsetof(Elf64_Phdr, p_offset)__builtin_offsetof(Elf64_Phdr, p_offset), |
| 774 | sizeof(phdr.p_offset)); |
| 775 | dl->e_sections[i].s_vaddr = |
| 776 | mopFileGetLX((u_char *) &phdr, |
| 777 | offsetof(Elf64_Phdr, p_vaddr)__builtin_offsetof(Elf64_Phdr, p_vaddr), |
| 778 | sizeof(phdr.p_vaddr)); |
| 779 | dl->e_sections[i].s_fsize = |
| 780 | mopFileGetLX((u_char *) &phdr, |
| 781 | offsetof(Elf64_Phdr, p_filesz)__builtin_offsetof(Elf64_Phdr, p_filesz), |
| 782 | sizeof(phdr.p_filesz)); |
| 783 | dl->e_sections[i].s_msize = |
| 784 | mopFileGetLX((u_char *) &phdr, |
| 785 | offsetof(Elf64_Phdr, p_memsz)__builtin_offsetof(Elf64_Phdr, p_memsz), |
| 786 | sizeof(phdr.p_memsz)); |
| 787 | break; |
| 788 | |
| 789 | case ELFDATA2MSB2: |
| 790 | dl->e_sections[i].s_foff = |
| 791 | mopFileGetBX((u_char *) &phdr, |
| 792 | offsetof(Elf64_Phdr, p_offset)__builtin_offsetof(Elf64_Phdr, p_offset), |
| 793 | sizeof(phdr.p_offset)); |
| 794 | dl->e_sections[i].s_vaddr = |
| 795 | mopFileGetBX((u_char *) &phdr, |
| 796 | offsetof(Elf64_Phdr, p_vaddr)__builtin_offsetof(Elf64_Phdr, p_vaddr), |
| 797 | sizeof(phdr.p_vaddr)); |
| 798 | dl->e_sections[i].s_fsize = |
| 799 | mopFileGetBX((u_char *) &phdr, |
| 800 | offsetof(Elf64_Phdr, p_filesz)__builtin_offsetof(Elf64_Phdr, p_filesz), |
| 801 | sizeof(phdr.p_filesz)); |
| 802 | dl->e_sections[i].s_msize = |
| 803 | mopFileGetBX((u_char *) &phdr, |
| 804 | offsetof(Elf64_Phdr, p_memsz)__builtin_offsetof(Elf64_Phdr, p_memsz), |
| 805 | sizeof(phdr.p_memsz)); |
| 806 | break; |
| 807 | |
| 808 | default: |
| 809 | return(-1); |
| 810 | } |
| 811 | } |
| 812 | /* |
| 813 | * In addition to padding between segments, this also |
| 814 | * takes care of memsz > filesz. |
| 815 | */ |
| 816 | for (i = 0; i < dl->e_nsec - 1; i++) { |
| 817 | dl->e_sections[i].s_pad = |
| 818 | dl->e_sections[i + 1].s_vaddr - |
| 819 | (dl->e_sections[i].s_vaddr + dl->e_sections[i].s_fsize); |
| 820 | } |
| 821 | dl->e_sections[dl->e_nsec - 1].s_pad = |
| 822 | dl->e_sections[dl->e_nsec - 1].s_msize - |
| 823 | dl->e_sections[dl->e_nsec - 1].s_fsize; |
| 824 | /* |
| 825 | * Now compute the logical offsets for each section. |
| 826 | */ |
| 827 | dl->e_sections[0].s_loff = 0; |
| 828 | for (i = 1; i < dl->e_nsec; i++) { |
| 829 | dl->e_sections[i].s_loff = |
| 830 | dl->e_sections[i - 1].s_loff + |
| 831 | dl->e_sections[i - 1].s_fsize + |
| 832 | dl->e_sections[i - 1].s_pad; |
| 833 | } |
| 834 | |
| 835 | dl->image_type = IMAGE_TYPE_ELF64; |
| 836 | dl->loadaddr = 0; |
| 837 | #if 0 |
| 838 | dl->xferaddr = e_entry; /* will relocate itself if necessary */ |
| 839 | #else |
| 840 | dl->xferaddr = e_entry - dl->e_sections[0].s_vaddr; |
| 841 | #endif |
| 842 | |
| 843 | /* Print info about the image. */ |
| 844 | if (info == INFO_PRINT1) { |
| 845 | printf("Elf64 image ("); |
| 846 | switch (e_machine) { |
| 847 | #ifdef EM_ALPHA41 |
| 848 | case EM_ALPHA41: |
| 849 | #endif |
| 850 | #ifdef EM_ALPHA_EXP0x9026 |
| 851 | case EM_ALPHA_EXP0x9026: |
| 852 | #endif |
| 853 | #if defined(EM_ALPHA41) || defined(EM_ALPHA_EXP0x9026) |
| 854 | printf("ALPHA"); |
| 855 | break; |
| 856 | #endif |
| 857 | default: |
| 858 | printf("machine %d", e_machine); |
| 859 | break; |
| 860 | } |
| 861 | printf(")\n"); |
| 862 | printf("Transfer Address: %08x\n", dl->xferaddr); |
| 863 | printf("Program Sections: %d\n", dl->e_nsec); |
| 864 | for (i = 0; i < dl->e_nsec; i++) { |
| 865 | printf(" S%d File Size: %08x\n", i, |
| 866 | dl->e_sections[i].s_fsize); |
| 867 | printf(" S%d Pad Size: %08x\n", i, |
| 868 | dl->e_sections[i].s_pad); |
| 869 | } |
| 870 | } |
| 871 | |
| 872 | dl->e_machine = e_machine; |
| 873 | |
| 874 | dl->e_curpos = 0; |
| 875 | dl->e_cursec = 0; |
| 876 | |
| 877 | return(0); |
| 878 | #endif /* NOELF || NOELF64 */ |
| 879 | } |
| 880 | |
| 881 | int |
| 882 | CheckAOutFile(int fd) |
| 883 | { |
| 884 | #ifdef NOAOUT |
| 885 | return(-1); |
| 886 | #else |
| 887 | struct exec ex, ex_swap; |
| 888 | int mid = -1; |
| 889 | |
| 890 | if (read(fd, (char *)&ex, sizeof(ex)) != sizeof(ex)) |
| 891 | return(-1); |
| 892 | |
| 893 | (void)lseek(fd, (off_t) 0, SEEK_SET0); |
| 894 | |
| 895 | if (read(fd, (char *)&ex_swap, sizeof(ex_swap)) != sizeof(ex_swap)) |
| 896 | return(-1); |
| 897 | |
| 898 | (void)lseek(fd, (off_t) 0, SEEK_SET0); |
| 899 | |
| 900 | mid = getMID(mid, N_GETMID (ex)( (((ex).a_midmag)&0xffff0000) ? (((__uint32_t)(__builtin_constant_p (((ex).a_midmag)) ? (__uint32_t)(((__uint32_t)(((ex).a_midmag )) & 0xff) << 24 | ((__uint32_t)(((ex).a_midmag)) & 0xff00) << 8 | ((__uint32_t)(((ex).a_midmag)) & 0xff0000 ) >> 8 | ((__uint32_t)(((ex).a_midmag)) & 0xff000000 ) >> 24) : __swap32md(((ex).a_midmag)))>>16)& 0x03ff) : 0 )); |
| 901 | |
| 902 | if (mid == -1) { |
| 903 | mid = getMID(mid, N_GETMID (ex_swap)( (((ex_swap).a_midmag)&0xffff0000) ? (((__uint32_t)(__builtin_constant_p (((ex_swap).a_midmag)) ? (__uint32_t)(((__uint32_t)(((ex_swap ).a_midmag)) & 0xff) << 24 | ((__uint32_t)(((ex_swap ).a_midmag)) & 0xff00) << 8 | ((__uint32_t)(((ex_swap ).a_midmag)) & 0xff0000) >> 8 | ((__uint32_t)(((ex_swap ).a_midmag)) & 0xff000000) >> 24) : __swap32md(((ex_swap ).a_midmag)))>>16)&0x03ff) : 0 )); |
| 904 | } |
| 905 | |
| 906 | if (mid != -1) { |
| 907 | return(0); |
| 908 | } else { |
| 909 | return(-1); |
| 910 | } |
| 911 | #endif /* NOAOUT */ |
| 912 | } |
| 913 | |
| 914 | int |
| 915 | GetAOutFileInfo(struct dllist *dl, int info) |
| 916 | { |
| 917 | #ifdef NOAOUT |
| 918 | return(-1); |
| 919 | #else |
| 920 | struct exec ex, ex_swap; |
| 921 | u_int32_t mid = -1; |
| 922 | u_int32_t magic, clbytes, clofset; |
| 923 | |
| 924 | if (read(dl->ldfd, (char *)&ex, sizeof(ex)) != sizeof(ex)) |
| 925 | return(-1); |
| 926 | |
| 927 | (void)lseek(dl->ldfd, (off_t) 0, SEEK_SET0); |
| 928 | |
| 929 | if (read(dl->ldfd, (char *)&ex_swap, |
| 930 | sizeof(ex_swap)) != sizeof(ex_swap)) |
| 931 | return(-1); |
| 932 | |
| 933 | mopFileSwapX((u_char *)&ex_swap, 0, 4); |
| 934 | |
| 935 | mid = getMID(mid, N_GETMID (ex)( (((ex).a_midmag)&0xffff0000) ? (((__uint32_t)(__builtin_constant_p (((ex).a_midmag)) ? (__uint32_t)(((__uint32_t)(((ex).a_midmag )) & 0xff) << 24 | ((__uint32_t)(((ex).a_midmag)) & 0xff00) << 8 | ((__uint32_t)(((ex).a_midmag)) & 0xff0000 ) >> 8 | ((__uint32_t)(((ex).a_midmag)) & 0xff000000 ) >> 24) : __swap32md(((ex).a_midmag)))>>16)& 0x03ff) : 0 )); |
| 936 | |
| 937 | if (mid == (uint32_t)-1) { |
| 938 | mid = getMID(mid, N_GETMID (ex_swap)( (((ex_swap).a_midmag)&0xffff0000) ? (((__uint32_t)(__builtin_constant_p (((ex_swap).a_midmag)) ? (__uint32_t)(((__uint32_t)(((ex_swap ).a_midmag)) & 0xff) << 24 | ((__uint32_t)(((ex_swap ).a_midmag)) & 0xff00) << 8 | ((__uint32_t)(((ex_swap ).a_midmag)) & 0xff0000) >> 8 | ((__uint32_t)(((ex_swap ).a_midmag)) & 0xff000000) >> 24) : __swap32md(((ex_swap ).a_midmag)))>>16)&0x03ff) : 0 )); |
| 939 | if (mid != (uint32_t)-1) { |
| 940 | mopFileSwapX((u_char *)&ex, 0, 4); |
| 941 | } |
| 942 | } |
| 943 | |
| 944 | if (mid == (uint32_t)-1) { |
| 945 | return(-1); |
| 946 | } |
| 947 | |
| 948 | if (N_BADMAG (ex)(( (((ex).a_midmag)&0xffff0000) ? ((__uint32_t)(__builtin_constant_p (((ex).a_midmag)) ? (__uint32_t)(((__uint32_t)(((ex).a_midmag )) & 0xff) << 24 | ((__uint32_t)(((ex).a_midmag)) & 0xff00) << 8 | ((__uint32_t)(((ex).a_midmag)) & 0xff0000 ) >> 8 | ((__uint32_t)(((ex).a_midmag)) & 0xff000000 ) >> 24) : __swap32md(((ex).a_midmag)))&0xffff) : ( (ex).a_midmag)) != 0410 && ( (((ex).a_midmag)&0xffff0000 ) ? ((__uint32_t)(__builtin_constant_p(((ex).a_midmag)) ? (__uint32_t )(((__uint32_t)(((ex).a_midmag)) & 0xff) << 24 | (( __uint32_t)(((ex).a_midmag)) & 0xff00) << 8 | ((__uint32_t )(((ex).a_midmag)) & 0xff0000) >> 8 | ((__uint32_t) (((ex).a_midmag)) & 0xff000000) >> 24) : __swap32md (((ex).a_midmag)))&0xffff) : ((ex).a_midmag)) != 0407 && ( (((ex).a_midmag)&0xffff0000) ? ((__uint32_t)(__builtin_constant_p (((ex).a_midmag)) ? (__uint32_t)(((__uint32_t)(((ex).a_midmag )) & 0xff) << 24 | ((__uint32_t)(((ex).a_midmag)) & 0xff00) << 8 | ((__uint32_t)(((ex).a_midmag)) & 0xff0000 ) >> 8 | ((__uint32_t)(((ex).a_midmag)) & 0xff000000 ) >> 24) : __swap32md(((ex).a_midmag)))&0xffff) : ( (ex).a_midmag)) != 0413 && ( (((ex).a_midmag)&0xffff0000 ) ? ((__uint32_t)(__builtin_constant_p(((ex).a_midmag)) ? (__uint32_t )(((__uint32_t)(((ex).a_midmag)) & 0xff) << 24 | (( __uint32_t)(((ex).a_midmag)) & 0xff00) << 8 | ((__uint32_t )(((ex).a_midmag)) & 0xff0000) >> 8 | ((__uint32_t) (((ex).a_midmag)) & 0xff000000) >> 24) : __swap32md (((ex).a_midmag)))&0xffff) : ((ex).a_midmag)) != 0314)) { |
| 949 | return(-1); |
| 950 | } |
| 951 | |
| 952 | switch (mid) { |
| 953 | case MID_I386134: |
| 954 | #ifdef MID_NS32532137 |
| 955 | case MID_NS32532137: |
| 956 | #endif |
| 957 | #ifdef MID_PMAX139 |
| 958 | case MID_PMAX139: |
| 959 | #endif |
| 960 | #ifdef MID_VAX150 |
| 961 | case MID_VAX150: |
| 962 | #endif |
| 963 | #ifdef MID_ALPHA141 |
| 964 | case MID_ALPHA141: |
| 965 | #endif |
| 966 | #ifdef MID_ARM6143 |
| 967 | case MID_ARM6143: |
| 968 | #endif |
| 969 | ex.a_text = mopFileGetLX((u_char *)&ex_swap, 4, 4); |
| 970 | ex.a_data = mopFileGetLX((u_char *)&ex_swap, 8, 4); |
| 971 | ex.a_bss = mopFileGetLX((u_char *)&ex_swap, 12, 4); |
| 972 | ex.a_syms = mopFileGetLX((u_char *)&ex_swap, 16, 4); |
| 973 | ex.a_entry = mopFileGetLX((u_char *)&ex_swap, 20, 4); |
| 974 | ex.a_trsize= mopFileGetLX((u_char *)&ex_swap, 24, 4); |
| 975 | ex.a_drsize= mopFileGetLX((u_char *)&ex_swap, 28, 4); |
| 976 | break; |
| 977 | #ifdef MID_M68K135 |
| 978 | case MID_M68K135: |
| 979 | #endif |
| 980 | #ifdef MID_M68K4K136 |
| 981 | case MID_M68K4K136: |
| 982 | #endif |
| 983 | case MID_SPARC138: |
| 984 | #ifdef MID_MIPS142 |
| 985 | case MID_MIPS142: |
| 986 | #endif |
| 987 | ex.a_text = mopFileGetBX((u_char *)&ex_swap, 4, 4); |
| 988 | ex.a_data = mopFileGetBX((u_char *)&ex_swap, 8, 4); |
| 989 | ex.a_bss = mopFileGetBX((u_char *)&ex_swap, 12, 4); |
| 990 | ex.a_syms = mopFileGetBX((u_char *)&ex_swap, 16, 4); |
| 991 | ex.a_entry = mopFileGetBX((u_char *)&ex_swap, 20, 4); |
| 992 | ex.a_trsize= mopFileGetBX((u_char *)&ex_swap, 24, 4); |
| 993 | ex.a_drsize= mopFileGetBX((u_char *)&ex_swap, 28, 4); |
| 994 | break; |
| 995 | default: |
| 996 | break; |
| 997 | } |
| 998 | |
| 999 | if (info == INFO_PRINT1) { |
| 1000 | printf("a.out image ("); |
| 1001 | switch (N_GETMID (ex)( (((ex).a_midmag)&0xffff0000) ? (((__uint32_t)(__builtin_constant_p (((ex).a_midmag)) ? (__uint32_t)(((__uint32_t)(((ex).a_midmag )) & 0xff) << 24 | ((__uint32_t)(((ex).a_midmag)) & 0xff00) << 8 | ((__uint32_t)(((ex).a_midmag)) & 0xff0000 ) >> 8 | ((__uint32_t)(((ex).a_midmag)) & 0xff000000 ) >> 24) : __swap32md(((ex).a_midmag)))>>16)& 0x03ff) : 0 )) { |
| 1002 | case MID_I386134: |
| 1003 | printf("i386"); |
| 1004 | break; |
| 1005 | #ifdef MID_M68K135 |
| 1006 | case MID_M68K135: |
| 1007 | printf("m68k"); |
| 1008 | break; |
| 1009 | #endif |
| 1010 | #ifdef MID_M68K4K136 |
| 1011 | case MID_M68K4K136: |
| 1012 | printf("m68k 4k"); |
| 1013 | break; |
| 1014 | #endif |
| 1015 | #ifdef MID_NS32532137 |
| 1016 | case MID_NS32532137: |
| 1017 | printf("pc532"); |
| 1018 | break; |
| 1019 | #endif |
| 1020 | case MID_SPARC138: |
| 1021 | printf("sparc"); |
| 1022 | break; |
| 1023 | #ifdef MID_PMAX139 |
| 1024 | case MID_PMAX139: |
| 1025 | printf("pmax"); |
| 1026 | break; |
| 1027 | #endif |
| 1028 | #ifdef MID_VAX150 |
| 1029 | case MID_VAX150: |
| 1030 | printf("vax"); |
| 1031 | break; |
| 1032 | #endif |
| 1033 | #ifdef MID_ALPHA141 |
| 1034 | case MID_ALPHA141: |
| 1035 | printf("alpha"); |
| 1036 | break; |
| 1037 | #endif |
| 1038 | #ifdef MID_MIPS142 |
| 1039 | case MID_MIPS142: |
| 1040 | printf("mips"); |
| 1041 | break; |
| 1042 | #endif |
| 1043 | #ifdef MID_ARM6143 |
| 1044 | case MID_ARM6143: |
| 1045 | printf("arm32"); |
| 1046 | break; |
| 1047 | #endif |
| 1048 | default: |
| 1049 | break; |
| 1050 | } |
| 1051 | printf(") Magic: "); |
| 1052 | switch (N_GETMAGIC (ex)( (((ex).a_midmag)&0xffff0000) ? ((__uint32_t)(__builtin_constant_p (((ex).a_midmag)) ? (__uint32_t)(((__uint32_t)(((ex).a_midmag )) & 0xff) << 24 | ((__uint32_t)(((ex).a_midmag)) & 0xff00) << 8 | ((__uint32_t)(((ex).a_midmag)) & 0xff0000 ) >> 8 | ((__uint32_t)(((ex).a_midmag)) & 0xff000000 ) >> 24) : __swap32md(((ex).a_midmag)))&0xffff) : ( (ex).a_midmag))) { |
| 1053 | case OMAGIC0407: |
| 1054 | printf("OMAGIC"); |
| 1055 | break; |
| 1056 | case NMAGIC0410: |
| 1057 | printf("NMAGIC"); |
| 1058 | break; |
| 1059 | case ZMAGIC0413: |
| 1060 | printf("ZMAGIC"); |
| 1061 | break; |
| 1062 | case QMAGIC0314: |
| 1063 | printf("QMAGIC"); |
| 1064 | break; |
| 1065 | default: |
| 1066 | printf("Unknown %ld", (long) N_GETMAGIC (ex)( (((ex).a_midmag)&0xffff0000) ? ((__uint32_t)(__builtin_constant_p (((ex).a_midmag)) ? (__uint32_t)(((__uint32_t)(((ex).a_midmag )) & 0xff) << 24 | ((__uint32_t)(((ex).a_midmag)) & 0xff00) << 8 | ((__uint32_t)(((ex).a_midmag)) & 0xff0000 ) >> 8 | ((__uint32_t)(((ex).a_midmag)) & 0xff000000 ) >> 24) : __swap32md(((ex).a_midmag)))&0xffff) : ( (ex).a_midmag))); |
| 1067 | } |
| 1068 | printf("\n"); |
| 1069 | printf("Size of text: %08lx\n", (long)ex.a_text); |
| 1070 | printf("Size of data: %08lx\n", (long)ex.a_data); |
| 1071 | printf("Size of bss: %08lx\n", (long)ex.a_bss); |
| 1072 | printf("Size of symbol tab: %08lx\n", (long)ex.a_syms); |
| 1073 | printf("Transfer Address: %08lx\n", (long)ex.a_entry); |
| 1074 | printf("Size of reloc text: %08lx\n", (long)ex.a_trsize); |
| 1075 | printf("Size of reloc data: %08lx\n", (long)ex.a_drsize); |
| 1076 | } |
| 1077 | |
| 1078 | magic = N_GETMAGIC (ex)( (((ex).a_midmag)&0xffff0000) ? ((__uint32_t)(__builtin_constant_p (((ex).a_midmag)) ? (__uint32_t)(((__uint32_t)(((ex).a_midmag )) & 0xff) << 24 | ((__uint32_t)(((ex).a_midmag)) & 0xff00) << 8 | ((__uint32_t)(((ex).a_midmag)) & 0xff0000 ) >> 8 | ((__uint32_t)(((ex).a_midmag)) & 0xff000000 ) >> 24) : __swap32md(((ex).a_midmag)))&0xffff) : ( (ex).a_midmag)); |
| 1079 | clbytes = getCLBYTES(mid); |
| 1080 | clofset = clbytes - 1; |
| 1081 | |
| 1082 | dl->image_type = IMAGE_TYPE_AOUT; |
| 1083 | dl->loadaddr = 0; |
| 1084 | dl->xferaddr = ex.a_entry; |
| 1085 | |
| 1086 | dl->a_text = ex.a_text; |
| 1087 | if (magic == ZMAGIC0413 || magic == NMAGIC0410) { |
| 1088 | dl->a_text_fill = clbytes - (ex.a_text & clofset); |
| 1089 | if (dl->a_text_fill == clbytes) |
| 1090 | dl->a_text_fill = 0; |
| 1091 | } else |
| 1092 | dl->a_text_fill = 0; |
| 1093 | dl->a_data = ex.a_data; |
| 1094 | if (magic == ZMAGIC0413 || magic == NMAGIC0410) { |
| 1095 | dl->a_data_fill = clbytes - (ex.a_data & clofset); |
| 1096 | if (dl->a_data_fill == clbytes) |
| 1097 | dl->a_data_fill = 0; |
| 1098 | } else |
| 1099 | dl->a_data_fill = 0; |
| 1100 | dl->a_bss = ex.a_bss; |
| 1101 | if (magic == ZMAGIC0413 || magic == NMAGIC0410) { |
| 1102 | dl->a_bss_fill = clbytes - (ex.a_bss & clofset); |
| 1103 | if (dl->a_bss_fill == clbytes) |
| 1104 | dl->a_bss_fill = 0; |
| 1105 | } else { |
| 1106 | dl->a_bss_fill = clbytes - |
| 1107 | ((ex.a_text+ex.a_data+ex.a_bss) & clofset); |
| 1108 | if (dl->a_bss_fill == clbytes) |
| 1109 | dl->a_bss_fill = 0; |
| 1110 | } |
| 1111 | dl->a_mid = mid; |
| 1112 | |
| 1113 | return(0); |
| 1114 | #endif /* NOAOUT */ |
| 1115 | } |
| 1116 | |
| 1117 | int |
| 1118 | GetFileInfo(struct dllist *dl, int info) |
| 1119 | { |
| 1120 | int error; |
| 1121 | |
| 1122 | error = CheckElfFile(dl->ldfd); |
| 1123 | if (error == 0) { |
| 1124 | error = GetElf32FileInfo(dl, info); |
| 1125 | if (error != 0) |
| 1126 | error = GetElf64FileInfo(dl, info); |
| 1127 | if (error != 0) { |
| 1128 | return(-1); |
| 1129 | } |
| 1130 | return (0); |
| 1131 | } |
| 1132 | |
| 1133 | error = CheckAOutFile(dl->ldfd); |
| 1134 | if (error == 0) { |
| 1135 | error = GetAOutFileInfo(dl, info); |
| 1136 | if (error != 0) { |
| 1137 | return(-1); |
| 1138 | } |
| 1139 | return (0); |
| 1140 | } |
| 1141 | |
| 1142 | error = CheckMopFile(dl->ldfd); |
| 1143 | if (error == 0) { |
| 1144 | error = GetMopFileInfo(dl, info); |
| 1145 | if (error != 0) { |
| 1146 | return(-1); |
| 1147 | } |
| 1148 | return (0); |
| 1149 | } |
| 1150 | |
| 1151 | /* Unknown file format. */ |
| 1152 | return(-1); |
| 1153 | } |
| 1154 | |
| 1155 | ssize_t |
| 1156 | mopFileRead(struct dllist *dlslot, u_char *buf) |
| 1157 | { |
| 1158 | ssize_t len, outlen; |
| 1159 | int bsz, sec; |
| 1160 | int32_t pos, notdone, total; |
| 1161 | uint32_t secoff; |
| 1162 | |
| 1163 | switch (dlslot->image_type) { |
| 1164 | case IMAGE_TYPE_MOP: |
| 1165 | len = read(dlslot->ldfd,buf,dlslot->dl_bsz); |
| 1166 | break; |
| 1167 | |
| 1168 | case IMAGE_TYPE_ELF32: |
| 1169 | case IMAGE_TYPE_ELF64: |
| 1170 | sec = dlslot->e_cursec; |
| 1171 | |
| 1172 | /* |
| 1173 | * We're pretty simplistic here. We do only file-backed |
| 1174 | * or only zero-fill. |
| 1175 | */ |
| 1176 | |
| 1177 | /* Determine offset into section. */ |
| 1178 | secoff = dlslot->e_curpos - dlslot->e_sections[sec].s_loff; |
| 1179 | |
| 1180 | /* |
| 1181 | * If we're in the file-backed part of the section, |
| 1182 | * transmit some of the file. |
| 1183 | */ |
| 1184 | if (secoff < dlslot->e_sections[sec].s_fsize) { |
| 1185 | bsz = dlslot->e_sections[sec].s_fsize - secoff; |
| 1186 | if (bsz > dlslot->dl_bsz) |
| 1187 | bsz = dlslot->dl_bsz; |
| 1188 | if (lseek(dlslot->ldfd, |
| 1189 | dlslot->e_sections[sec].s_foff + secoff, |
| 1190 | SEEK_SET0) == (off_t) -1) |
| 1191 | return (-1); |
| 1192 | len = read(dlslot->ldfd, buf, bsz); |
| 1193 | } |
| 1194 | /* |
| 1195 | * Otherwise, if we're in the zero-fill part of the |
| 1196 | * section, transmit some zeros. |
| 1197 | */ |
| 1198 | else if (secoff < (dlslot->e_sections[sec].s_fsize + |
| 1199 | dlslot->e_sections[sec].s_pad)) { |
| 1200 | bsz = dlslot->e_sections[sec].s_pad - |
| 1201 | (secoff - dlslot->e_sections[sec].s_fsize); |
| 1202 | if (bsz > dlslot->dl_bsz) |
| 1203 | bsz = dlslot->dl_bsz; |
| 1204 | memset(buf, 0, (len = bsz)); |
| 1205 | } |
| 1206 | /* |
| 1207 | * ...and if we haven't hit either of those cases, |
| 1208 | * that's the end of the image. |
| 1209 | */ |
| 1210 | else { |
| 1211 | return (0); |
| 1212 | } |
| 1213 | /* |
| 1214 | * Advance the logical image pointer. |
| 1215 | */ |
| 1216 | dlslot->e_curpos += bsz; |
| 1217 | if (dlslot->e_curpos >= (dlslot->e_sections[sec].s_loff + |
| 1218 | dlslot->e_sections[sec].s_fsize + |
| 1219 | dlslot->e_sections[sec].s_pad)) |
| 1220 | if (++sec != dlslot->e_nsec) |
| 1221 | dlslot->e_cursec = sec; |
| 1222 | break; |
| 1223 | |
| 1224 | case IMAGE_TYPE_AOUT: |
| 1225 | bsz = dlslot->dl_bsz; |
| 1226 | pos = dlslot->a_lseek; |
| 1227 | len = 0; |
| 1228 | |
| 1229 | total = dlslot->a_text; |
| 1230 | |
| 1231 | if (pos < total) { |
| 1232 | notdone = total - pos; |
| 1233 | if (notdone <= bsz) { |
| 1234 | outlen = read(dlslot->ldfd,&buf[len],notdone); |
| 1235 | } else { |
| 1236 | outlen = read(dlslot->ldfd,&buf[len],bsz); |
| 1237 | } |
| 1238 | len = len + outlen; |
| 1239 | pos = pos + outlen; |
| 1240 | bsz = bsz - outlen; |
| 1241 | } |
| 1242 | |
| 1243 | total = total + dlslot->a_text_fill; |
| 1244 | |
| 1245 | if ((bsz > 0) && (pos < total)) { |
| 1246 | notdone = total - pos; |
| 1247 | if (notdone <= bsz) { |
| 1248 | outlen = notdone; |
| 1249 | } else { |
| 1250 | outlen = bsz; |
| 1251 | } |
| 1252 | memset(&buf[len], 0, outlen); |
| 1253 | len = len + outlen; |
| 1254 | pos = pos + outlen; |
| 1255 | bsz = bsz - outlen; |
| 1256 | } |
| 1257 | |
| 1258 | total = total + dlslot->a_data; |
| 1259 | |
| 1260 | if ((bsz > 0) && (pos < total)) { |
| 1261 | notdone = total - pos; |
| 1262 | if (notdone <= bsz) { |
| 1263 | outlen = read(dlslot->ldfd,&buf[len],notdone); |
| 1264 | } else { |
| 1265 | outlen = read(dlslot->ldfd,&buf[len],bsz); |
| 1266 | } |
| 1267 | len = len + outlen; |
| 1268 | pos = pos + outlen; |
| 1269 | bsz = bsz - outlen; |
| 1270 | } |
| 1271 | |
| 1272 | total = total + dlslot->a_data_fill; |
| 1273 | |
| 1274 | if ((bsz > 0) && (pos < total)) { |
| 1275 | notdone = total - pos; |
| 1276 | if (notdone <= bsz) { |
| 1277 | outlen = notdone; |
| 1278 | } else { |
| 1279 | outlen = bsz; |
| 1280 | } |
| 1281 | memset(&buf[len], 0, outlen); |
| 1282 | len = len + outlen; |
| 1283 | pos = pos + outlen; |
| 1284 | bsz = bsz - outlen; |
| 1285 | } |
| 1286 | |
| 1287 | total = total + dlslot->a_bss; |
| 1288 | |
| 1289 | if ((bsz > 0) && (pos < total)) { |
| 1290 | notdone = total - pos; |
| 1291 | if (notdone <= bsz) { |
| 1292 | outlen = notdone; |
| 1293 | } else { |
| 1294 | outlen = bsz; |
| 1295 | } |
| 1296 | memset(&buf[len], 0, outlen); |
| 1297 | len = len + outlen; |
| 1298 | pos = pos + outlen; |
| 1299 | bsz = bsz - outlen; |
| 1300 | } |
| 1301 | |
| 1302 | total = total + dlslot->a_bss_fill; |
| 1303 | |
| 1304 | if ((bsz > 0) && (pos < total)) { |
| 1305 | notdone = total - pos; |
| 1306 | if (notdone <= bsz) { |
| 1307 | outlen = notdone; |
| 1308 | } else { |
| 1309 | outlen = bsz; |
| 1310 | } |
| 1311 | memset(&buf[len], 0, outlen); |
| 1312 | len = len + outlen; |
| 1313 | pos = pos + outlen; |
| 1314 | bsz = bsz - outlen; |
Value stored to 'bsz' is never read | |
| 1315 | } |
| 1316 | |
| 1317 | dlslot->a_lseek = pos; |
| 1318 | break; |
| 1319 | |
| 1320 | default: |
| 1321 | abort(); |
| 1322 | } |
| 1323 | |
| 1324 | return(len); |
| 1325 | } |