1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531
|
#define C_SIZE1 0x01
#define C_MODRM 0x02
#define C_DATA8 0x04
#define C_DATA16 0x08
#define C_DATA32 0x10
#define C_PREFIX 0x20
#define C_2BYTE 0x40
#define C_REL 0x80 //used to don't fuck up relative jmps with 67 prefix
#define C_66 0x66 //operand size prefix
#define C_67 0x67 //address size prefix
#define C_UNKNOWN 0x00
BYTE table_1[256]={
/* 00 */ C_MODRM
/* 01 */, C_MODRM
/* 02 */, C_MODRM
/* 03 */, C_MODRM
/* 04 */, C_DATA8 // add al, ax, eax + 32imm w not set imm size = 8
/* 05 */, C_DATA32 // add al, ax, eax + 32imm w set imm size = 32
/* 06 */, C_SIZE1 //push es
/* 07 */, C_SIZE1 //pop es
/* 08 */, C_MODRM //or w set
/* 09 */, C_MODRM //or w not set :)
/* 0A */, C_MODRM
/* 0B */, C_MODRM
/* 0C */, C_DATA8 // or al/ax/eax shortcut
/* 0D */, C_DATA32 // or al/ax/eax shortcut
/* 0E */, C_SIZE1 // push cs
/* 0F */, C_2BYTE
/* 10 */, C_MODRM //adc w/d set mod rm, next 4
/* 11 */, C_MODRM
/* 12 */, C_MODRM
/* 13 */, C_MODRM
/* 14 */, C_DATA8 //adc al, imm8
/* 15 */, C_DATA32 //adc al, imm32
/* 16 */, C_SIZE1 //push ss
/* 17 */, C_SIZE1 //pop ss
/* 18 */, C_MODRM //sbb w set/not set
/* 19 */, C_MODRM
/* 1A */, C_MODRM //sbb d/w combinations
/* 1B */, C_MODRM //sbb d/w combinations
/* 1C */, C_DATA8 //sbb al, imm8
/* 1D */, C_DATA32 //sbb eax, imm32
/* 1E */, C_SIZE1 //push ds
/* 1F */, C_SIZE1 //pop ds
/* 20 */, C_MODRM //and mod/rm d/w bit combinations = 4
/* 21 */, C_MODRM
/* 22 */, C_MODRM
/* 23 */, C_MODRM //end and mod/rm d/w bit combinations
/* 24 */, C_DATA8 //and al, imm8
/* 25 */, C_DATA32 //and al, imm32
/* 26 */, C_PREFIX
/* 27 */, C_SIZE1 //daa
/* 28 */, C_MODRM //sub w/d mixup
/* 29 */, C_MODRM
/* 2A */, C_MODRM
/* 2B */, C_MODRM //sub w/d mixup end
/* 2C */, C_DATA8 //sub al, ax ,eax imm8
/* 2D */, C_DATA32 //sub al, ax, eax imm8
/* 2E */, C_PREFIX
/* 2F */, C_SIZE1 //das
/* 30 */, C_MODRM //xor next 4
/* 31 */, C_MODRM
/* 32 */, C_MODRM
/* 33 */, C_MODRM
/* 34 */, C_DATA8 //xor al, ax, eax imm 8 w not set (al)
/* 35 */, C_DATA32 //xor al, ax, eax imm 32 w set (eax)
/* 36 */, C_PREFIX
/* 37 */, C_SIZE1 //AAA
/* 38 */, C_MODRM //cmp d/w set 4 combinations
/* 39 */, C_MODRM //cmp
/* 3A */, C_MODRM //cmp
/* 3B */, C_MODRM //cmp
/* 3C */, C_DATA8 //cmp al, ax, eax imm 8
/* 3D */, C_DATA32 //cmp al, ax, eax imm 32
/* 3E */, C_PREFIX
/* 3F */, C_SIZE1 //AAS
/* 40 */, C_SIZE1 //inc reg (alternate encoding)
/* 41 */, C_SIZE1
/* 42 */, C_SIZE1
/* 43 */, C_SIZE1
/* 44 */, C_SIZE1
/* 45 */, C_SIZE1
/* 46 */, C_SIZE1
/* 47 */, C_SIZE1
/* 48 */, C_SIZE1 //dec reg (alternate encoding)
/* 49 */, C_SIZE1
/* 4A */, C_SIZE1
/* 4B */, C_SIZE1
/* 4C */, C_SIZE1
/* 4D */, C_SIZE1
/* 4E */, C_SIZE1
/* 4F */, C_SIZE1
/* 50 */, C_SIZE1
/* 51 */, C_SIZE1
/* 52 */, C_SIZE1
/* 53 */, C_SIZE1
/* 54 */, C_SIZE1
/* 55 */, C_SIZE1
/* 56 */, C_SIZE1
/* 57 */, C_SIZE1
/* 58 */, C_SIZE1 //pop reg
/* 59 */, C_SIZE1
/* 5A */, C_SIZE1
/* 5B */, C_SIZE1
/* 5C */, C_SIZE1
/* 5D */, C_SIZE1
/* 5E */, C_SIZE1
/* 5F */, C_SIZE1 //pop reg ends
/* 60 */, C_SIZE1 //pushad
/* 61 */, C_SIZE1 //popad
/* 62 */, C_MODRM //bound
/* 63 */, C_MODRM //arpl
/* 64 */, C_PREFIX
/* 65 */, C_PREFIX
/* 66 */, C_PREFIX
/* 67 */, C_PREFIX
/* 68 */, C_DATA32 //push immidiate 32
/* 69 */, C_MODRM + C_DATA32 //imul reg/reg imm32
/* 6A */, C_DATA8 //push imm 8
/* 6B */, C_MODRM + C_DATA8 //imul reg/reg imm8
/* 6C */, C_SIZE1 //ins w not set
/* 6D */, C_SIZE1 //ins w set
/* 6E */, C_SIZE1 //outs w not set
/* 6F */, C_SIZE1 //outs w set
/* 70 */, C_DATA8 + C_REL //jcc 8 bit displacement start
/* 71 */, C_DATA8 + C_REL
/* 72 */, C_DATA8 + C_REL
/* 73 */, C_DATA8 + C_REL
/* 74 */, C_DATA8 + C_REL
/* 75 */, C_DATA8 + C_REL
/* 76 */, C_DATA8 + C_REL
/* 77 */, C_DATA8 + C_REL
/* 78 */, C_DATA8 + C_REL
/* 79 */, C_DATA8 + C_REL
/* 7A */, C_DATA8 + C_REL
/* 7B */, C_DATA8 + C_REL
/* 7C */, C_DATA8 + C_REL
/* 7D */, C_DATA8 + C_REL
/* 7E */, C_DATA8 + C_REL
/* 7F */, C_DATA8 + C_REL //jcc 8 bit displacement ends
/* 80 */, C_MODRM + C_DATA8 //sub immidira/reg 32bit imm, also cmp modrm/imm32, also cmp
/* 81 */, C_MODRM + C_DATA32 //sub imidiate/reg 32bit imm, also cmp modrm/imm32, also cmp
/* 82 */, C_MODRM + C_DATA8 //sub or mod rm 8imm w not set, --||-- /imm8, also cmp
/* 83 */, C_MODRM + C_DATA8 //sub or mod rm 8imm w set set, --||-- /imm8, also cmp
/* 84 */, C_MODRM //test w not set
/* 85 */, C_MODRM //test w set
/* 86 */, C_MODRM //xchg w not set
/* 87 */, C_MODRM //xchg w set
/* 88 */, C_MODRM //mov not set w
/* 89 */, C_MODRM //mov set w
/* 8A */, C_MODRM //mov d set/not
/* 8B */, C_MODRM
/* 8C */, C_MODRM //mov reg/seg
/* 8D */, C_MODRM //lea
/* 8E */, C_MODRM //mov reg/seg I guess
/* 8F */, C_MODRM //pop reg/memory
/* 90 */, C_SIZE1 //nop
/* 91 */, C_SIZE1 //xchg al, ax, eax reg
/* 92 */, C_SIZE1
/* 93 */, C_SIZE1
/* 94 */, C_SIZE1
/* 95 */, C_SIZE1
/* 96 */, C_SIZE1
/* 97 */, C_SIZE1 //xchg al, ax, eax, ret ends
/* 98 */, C_SIZE1 //cbw, cwde
/* 99 */, C_SIZE1 //cdq, cwd
/* 9A */, C_DATA32 + C_DATA16 //far call (call unsinged full offset,selector)
/* 9B */, C_SIZE1 //wait//fwait
/* 9C */, C_SIZE1 //pushfd
/* 9D */, C_SIZE1 //popfd
/* 9E */, C_SIZE1 //sahf
/* 9F */, C_SIZE1 //LAHF
/* A0 */, C_DATA32 //mov al, ax, eax,mem full_offset
/* A1 */, C_DATA32 //mov al, ax, eax, mem full_offset
/* A2 */, C_DATA32 //mov mem, al, ax, eax full_offset
/* A3 */, C_DATA32 //mov mem, al, ax, eax full_offset
/* A4 */, C_SIZE1 //movsb
/* A5 */, C_SIZE1 //movsd
/* A6 */, C_SIZE1 //cmpsb... 2 of them w bit set
/* A7 */, C_SIZE1
/* A8 */, C_DATA8 //test al/ax/eax shortcut
/* A9 */, C_DATA32 //test al/ax/eax shortcut
/* AA */, C_SIZE1 //stosb
/* AB */, C_SIZE1 //stosd, or stosw + PREFIX 66
/* AC */, C_SIZE1 //lodsb
/* AD */, C_SIZE1 //lodsw + PREFIX 66 or lodsd
/* AE */, C_SIZE1 //scasb
/* AF */, C_SIZE1 //scasd
/* B0 */, C_DATA8 //mov reg, imm 8 alterante encoding
/* B1 */, C_DATA8
/* B2 */, C_DATA8
/* B3 */, C_DATA8
/* B4 */, C_DATA8
/* B5 */, C_DATA8
/* B6 */, C_DATA8
/* B7 */, C_DATA8
/* B8 */, C_DATA32 //mov immidiate to reg (alternate encoding)
/* B9 */, C_DATA32
/* BA */, C_DATA32
/* BB */, C_DATA32
/* BC */, C_DATA32
/* BD */, C_DATA32
/* BE */, C_DATA32
/* BF */, C_DATA32
/* C0 */, C_MODRM+C_DATA8 //rcl reg/mem by imm8 also rcr depends on opcode in modr/m field, also rol/ror
/* C1 */, C_MODRM+C_DATA8 //-----------||-----------
/* C2 */, C_DATA16
/* C3 */, C_SIZE1 //ret no args
/* C4 */, C_MODRM //les
/* C5 */, C_MODRM //lds
/* C6 */, C_MODRM+C_DATA8 // mov mem/imm
/* C7 */, C_MODRM+C_DATA32 //litle change (mov mem/imm)
/* C8 */, C_DATA8 + C_DATA16 //enter 16disp, 8bit level =4 size
/* C9 */, C_SIZE1
/* CA */, C_DATA16 //retf param
/* CB */, C_SIZE1 //retf no param
/* CC */, C_SIZE1
/* CD */, C_DATA8 //int, 8bit interupt number
/* CE */, C_SIZE1 //into
/* CF */, C_SIZE1 //iret
/* D0 */, C_MODRM //rcl reg/memory by 1 , also rcr, also ror/rol
/* D1 */, C_MODRM //same with w bit set , -||-
/* D2 */, C_MODRM //rcl register by cl , -||-
/* D3 */, C_MODRM //same with w bit set , -||- , also rol,ror
/* D4 */, C_DATA8 //aam 2 byte long but C_DATA8 is processed as 2 in my algo so this is ok
/* D5 */, C_DATA8 //aad 2 bytes long C_DATA8 is processed as 2 byte long
/* D6 */, C_SIZE1 //salc
/* D7 */, C_SIZE1 //xlat
/* D8 */, C_MODRM //all FPU are C_MODRM
/* D9 */, C_MODRM
/* DA */, C_MODRM
/* DB */, C_MODRM
/* DC */, C_MODRM
/* DD */, C_MODRM
/* DE */, C_MODRM
/* DF */, C_MODRM //end FPU instructions
/* E0 */, C_DATA8 + C_REL //loonz 8bit
/* E1 */, C_DATA8 + C_REL //loopz 8bit
/* E2 */, C_DATA8 + C_REL //loop 8bit
/* E3 */, C_DATA8 + C_REL //jecxz 8bit Address-size prefix indicates jcxz or jecxz
/* E4 */, C_DATA8 //in al, port
/* E5 */, C_DATA8 //in eax, port
/* E6 */, C_DATA8 //out port w not set (out 0, al)
/* E7 */, C_DATA8 //out port w set (out 0, eax)
/* E8 */, C_DATA32 + C_REL
/* E9 */, C_DATA32 + C_REL //jmp full displacement
/* EA */, C_DATA32 + C_DATA16 //jmp far full offset, selector
/* EB */, C_DATA8 //jmp 8 bit displacement
/* EC */, C_SIZE1 //in
/* ED */, C_SIZE1 //in
/* EE */, C_SIZE1 //out
/* EF */, C_SIZE1 //out
/* F0 */, C_PREFIX
/* F1 */, C_SIZE1 //int1
/* F2 */, C_PREFIX
/* F3 */, C_PREFIX
/* F4 */, C_SIZE1 //hlt
/* F5 */, C_SIZE1 //cmc
/* F6 */, C_MODRM + C_DATA8 //not (w not set), neg depends on opcode field in modrm, it can be test imm
/* F7 */, C_MODRM + C_DATA32 //not (w set) , neg depends on opcode field in modrm, it can be test imm
/* F8 */, C_SIZE1 //clc
/* F9 */, C_SIZE1 //stc
/* FA */, C_SIZE1 //cli
/* FB */, C_SIZE1 //sti
/* FC */, C_SIZE1 //cld
/* FD */, C_SIZE1 //std
/* FE */, C_MODRM //inc/dec w not set (modrm)
/* FF */, C_MODRM //inc/dec w set (modrm) //call also depends on reg/opcode field
}; //also jmp (depends on reg/opcode) fild
BYTE table_2[256]={
/* 00 */ C_MODRM //lldt
/* 01 */, C_MODRM //invlpg
/* 02 */, C_MODRM //lar
/* 03 */, C_MODRM //LSL
/* 04 */, 0
/* 05 */, 0
/* 06 */, C_SIZE1 //clts
/* 07 */, 0
/* 08 */, C_SIZE1 //invd
/* 09 */, C_SIZE1
/* 0A */, 0
/* 0B */, 0
/* 0C */, 0
/* 0D */, 0
/* 0E */, 0
/* 0F */, 0
/* 10 */, 0
/* 11 */, 0
/* 12 */, 0
/* 13 */, 0
/* 14 */, 0
/* 15 */, 0
/* 16 */, 0
/* 17 */, 0
/* 18 */, 0
/* 19 */, 0
/* 1A */, 0
/* 1B */, 0
/* 1C */, 0
/* 1D */, 0
/* 1E */, 0
/* 1F */, 0
/* 20 */, C_MODRM //mov reg/crX
/* 21 */, C_MODRM //mov drX/reg
/* 22 */, C_MODRM //mov crX/reg and it foes all the way down
/* 23 */, C_MODRM //mov reg/drX
/* 24 */, 0
/* 25 */, 0
/* 26 */, 0
/* 27 */, 0
/* 28 */, 0
/* 29 */, 0
/* 2A */, 0
/* 2B */, 0
/* 2C */, 0
/* 2D */, 0
/* 2E */, 0
/* 2F */, 0
/* 30 */, C_SIZE1
/* 31 */, C_SIZE1
/* 32 */, C_SIZE1
/* 33 */, C_SIZE1
/* 34 */, C_SIZE1
/* 35 */, 0
/* 36 */, 0
/* 37 */, 0
/* 38 */, 0
/* 39 */, 0
/* 3A */, 0
/* 3B */, 0
/* 3C */, 0
/* 3D */, 0
/* 3E */, 0
/* 3F */, 0
/* 40 */, C_MODRM //conditional move
/* 41 */, C_MODRM
/* 42 */, C_MODRM
/* 43 */, C_MODRM
/* 44 */, C_MODRM
/* 45 */, C_MODRM
/* 46 */, C_MODRM
/* 47 */, C_MODRM
/* 48 */, C_MODRM
/* 49 */, C_MODRM
/* 4A */, C_MODRM
/* 4B */, C_MODRM
/* 4C */, C_MODRM
/* 4D */, C_MODRM
/* 4E */, C_MODRM
/* 4F */, C_MODRM //end conditional move
/* 50 */, 0
/* 51 */, 0
/* 52 */, 0
/* 53 */, 0
/* 54 */, 0
/* 55 */, 0
/* 56 */, 0
/* 57 */, 0
/* 58 */, 0
/* 59 */, 0
/* 5A */, 0
/* 5B */, 0
/* 5C */, 0
/* 5D */, 0
/* 5E */, 0
/* 5F */, 0
/* 60 */, 0
/* 61 */, 0
/* 62 */, 0
/* 63 */, 0
/* 64 */, 0
/* 65 */, 0
/* 66 */, 0
/* 67 */, 0
/* 68 */, 0
/* 69 */, 0
/* 6A */, 0
/* 6B */, 0
/* 6C */, 0
/* 6D */, 0
/* 6E */, 0
/* 6F */, 0
/* 70 */, 0
/* 71 */, 0
/* 72 */, 0
/* 73 */, 0
/* 74 */, 0
/* 75 */, 0
/* 76 */, 0
/* 77 */, 0
/* 78 */, 0
/* 79 */, 0
/* 7A */, 0
/* 7B */, 0
/* 7C */, 0
/* 7D */, 0
/* 7E */, 0
/* 7F */, 0
/* 80 */, C_DATA32 //jccs 2 byte long imm32
/* 81 */, C_DATA32
/* 82 */, C_DATA32
/* 83 */, C_DATA32
/* 84 */, C_DATA32
/* 85 */, C_DATA32
/* 86 */, C_DATA32
/* 87 */, C_DATA32
/* 88 */, C_DATA32
/* 89 */, C_DATA32
/* 8A */, C_DATA32
/* 8B */, C_DATA32
/* 8C */, C_DATA32
/* 8D */, C_DATA32
/* 8E */, C_DATA32
/* 8F */, C_DATA32 //jccs 2byte long ends imm32
/* 90 */, C_MODRM
/* 91 */, C_MODRM
/* 92 */, C_MODRM
/* 93 */, C_MODRM
/* 94 */, C_MODRM
/* 95 */, C_MODRM
/* 96 */, C_MODRM
/* 97 */, C_MODRM
/* 98 */, C_MODRM
/* 99 */, C_MODRM
/* 9A */, C_MODRM
/* 9B */, C_MODRM
/* 9C */, C_MODRM
/* 9D */, C_MODRM
/* 9E */, C_MODRM
/* 9F */, C_MODRM
/* A0 */, C_SIZE1 //push fs
/* A1 */, C_SIZE1 //pop fs
/* A2 */, C_SIZE1 //cpuid
/* A3 */, C_MODRM //bt reg/mem
/* A4 */, C_MODRM + C_DATA8
/* A5 */, C_MODRM
/* A6 */, 0
/* A7 */, 0
/* A8 */, C_SIZE1 //push gs
/* A9 */, C_SIZE1 //pop gs
/* AA */, C_SIZE1
/* AB */, C_MODRM //bts
/* AC */, C_MODRM + C_DATA8
/* AD */, C_MODRM
/* AE */, 0
/* AF */, C_MODRM //imul reg/reg or reg/mem
/* B0 */, C_MODRM //cmpxchg
/* B1 */, C_MODRM //cmpxchg
/* B2 */, C_MODRM //lss
/* B3 */, C_MODRM //btr
/* B4 */, C_MODRM //lfs
/* B5 */, C_MODRM //lgs
/* B6 */, C_MODRM //movzx
/* B7 */, C_MODRM //movzx
/* B8 */, 0
/* B9 */, 0
/* BA */, C_MODRM + C_DATA8 //bt imm8
/* BB */, C_MODRM //btc mod/rm
/* BC */, C_MODRM //BSF
/* BD */, C_MODRM //BSR
/* BE */, C_MODRM //movsx
/* BF */, C_MODRM //movsx
/* C0 */, C_MODRM //xadd
/* C1 */, C_MODRM //xadd
/* C2 */, 0
/* C3 */, 0
/* C4 */, 0
/* C5 */, 0
/* C6 */, 0
/* C7 */, 0
/* C8 */, C_SIZE1 //bswap eax
/* C9 */, C_SIZE1
/* CA */, C_SIZE1
/* CB */, C_SIZE1
/* CC */, C_SIZE1
/* CD */, C_SIZE1
/* CE */, C_SIZE1
/* CF */, C_SIZE1 //bswap reg ends
/* D0 */, 0
/* D1 */, 0
/* D2 */, 0
/* D3 */, 0
/* D4 */, 0
/* D5 */, 0
/* D6 */, 0
/* D7 */, 0
/* D8 */, 0
/* D9 */, 0
/* DA */, 0
/* DB */, 0
/* DC */, 0
/* DD */, 0
/* DE */, 0
/* DF */, 0
/* E0 */, 0
/* E1 */, 0
/* E2 */, 0
/* E3 */, 0
/* E4 */, 0
/* E5 */, 0
/* E6 */, 0
/* E7 */, 0
/* E8 */, 0
/* E9 */, 0
/* EA */, 0
/* EB */, 0
/* EC */, 0
/* ED */, 0
/* EE */, 0
/* EF */, 0
/* F0 */, 0
/* F1 */, 0
/* F2 */, 0
/* F3 */, 0
/* F4 */, 0
/* F5 */, 0
/* F6 */, 0
/* F7 */, 0
/* F8 */, 0
/* F9 */, 0
/* FA */, 0
/* FB */, 0
/* FC */, 0
/* FD */, 0
/* FE */, 0
/* FF */, 0
}; |
Partager