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
}; |
Problème de debugger en c++
Répondre avec citation
Partager