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
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
|
/* OpenIDA - Outil d'analyse de fichiers binaires
* processor.c - gestion de l'architecture x86
*
* Copyright (C) 2008 Cyrille Bagard
*
* This file is part of OpenIDA.
*
* OpenIDA is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* OpenIDA is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Foobar. If not, see <http://www.gnu.org/licenses/>.
*/
#include "processor.h"
#include "../processor-int.h"
#include "opcodes.h"
/* Définition du processeur de la x86 (instance) */
struct _GX86Processor
{
GArchProcessor parent; /* Instance parente */
};
/* Définition du processeur de la x86 (classe) */
struct _GX86ProcessorClass
{
GArchProcessorClass parent; /* Classe parente */
};
/* Initialise la classe des lignes de descriptions initiales. */
static void g_x86_processor_class_init(GX86ProcessorClass *);
/* Initialise la classe des lignes de descriptions initiales. */
static void g_x86_processor_init(GX86Processor *);
/* Décode une instruction dans un flux de données. */
static GArchInstruction *g_x86_processor_decode_instruction(const GX86Processor *, const bin_t *, off_t *, off_t, vmpa_t);
/* Indique le type défini par la GLib pour le processeur x86. */
G_DEFINE_TYPE(GX86Processor, g_x86_processor, G_TYPE_ARCH_PROCESSOR);
/******************************************************************************
* *
* Paramètres : klass = classe à initialiser. *
* *
* Description : Initialise la classe des lignes de descriptions initiales. *
* *
* Retour : - *
* *
* Remarques : - *
* *
******************************************************************************/
static void g_x86_processor_class_init(GX86ProcessorClass *klass)
{
}
/******************************************************************************
* *
* Paramètres : proc = instance à initialiser. *
* *
* Description : Initialise la classe des lignes de descriptions initiales. *
* *
* Retour : - *
* *
* Remarques : - *
* *
******************************************************************************/
static void g_x86_processor_init(GX86Processor *proc)
{
GArchProcessor *parent; /* Instance parente */
parent = G_ARCH_PROCESSOR(proc);
parent->endianness = SRE_BIG;
parent->decode = (decode_instruction_fc)g_x86_processor_decode_instruction;
}
/******************************************************************************
* *
* Paramètres : - *
* *
* Description : Crée le support de l'architecture x86. *
* *
* Retour : Architecture mise en place. *
* *
* Remarques : - *
* *
******************************************************************************/
GArchProcessor *g_x86_processor_new(void)
{
GArchProcessor *result; /* Structure à retourner */
result = g_object_new(G_TYPE_X86_PROCESSOR, NULL);
return result;
}
/******************************************************************************
* *
* Paramètres : proc = architecture visée par la consultation. *
* prefix = bascule à consulter. *
* *
* Description : Fournit la taille supplantée des opérandes pour x86. *
* *
* Retour : Taille d'opérande (16 ou 32 bits). *
* *
* Remarques : - *
* *
******************************************************************************/
AsmOperandSize g_x86_processor_get_operand_size(const GX86Processor *proc, X86Prefix prefix)
{
AsmOperandSize result; /* Taille à renvoyer */
/* FIXME */
if (prefix & XPX_OPERAND_SIZE_OVERRIDE)
result = (AOS_32_BITS/*proc->operand_size*/ == AOS_32_BITS ? AOS_16_BITS : AOS_32_BITS);
else result = AOS_32_BITS/*proc->operand_size*/;
return result;
}
/******************************************************************************
* *
* Paramètres : proc = architecture visée par la procédure. *
* data = flux de données à analyser. *
* pos = position courante dans ce flux. [OUT] *
* len = taille totale des données à analyser. *
* addr = adresse virtuelle de l'instruction. *
* *
* Description : Décode une instruction dans un flux de données. *
* *
* Retour : Instruction mise en place. *
* *
* Remarques : - *
* *
******************************************************************************/
static GArchInstruction *g_x86_processor_decode_instruction(const GX86Processor *proc, const bin_t *data, off_t *pos, off_t len, vmpa_t addr)
{
GArchInstruction *result; /* Instruction à renvoyer */
X86Prefix prefix; /* Préfixes avec l'instr. */
bool care; /* Traitement des opcodes */
X86Opcodes id; /* Identifiant d'instruction */
id = x86_guess_next_instruction(data, *pos, len, &prefix, &care);
if (prefix & XPX_OPERAND_SIZE_OVERRIDE) (*pos)++;
if (id != XOP_COUNT && !care) (*pos)++;
switch (id)
{
case XOP_ADD_RM8_R8:
result = x86_read_instr_add_rm8_r8(data, pos, len, addr, prefix, proc);
break;
case XOP_ADD_RM1632_R1632:
result = x86_read_instr_add_rm1632_r1632(data, pos, len, addr, prefix, proc);
break;
case XOP_ADD_R8_RM8:
result = x86_read_instr_add_r8_rm8(data, pos, len, addr, prefix, proc);
break;
case XOP_ADD_R1632_RM1632:
result = x86_read_instr_add_r1632_rm1632(data, pos, len, addr, prefix, proc);
break;
case XOP_ADD_AL_IMM8:
result = x86_read_instr_add_al_imm8(data, pos, len, addr, prefix, proc);
break;
case XOP_ADD_E_AX_IMM1632:
result = x86_read_instr_add_e_ax_imm1632(data, pos, len, addr, prefix, proc);
break;
case XOP_OR_R8_RM8:
result = x86_read_instr_or_r8_rm8(data, pos, len, addr, prefix, proc);
break;
case XOP_OR_AL_IMM8:
result = x86_read_instr_or_al_imm8(data, pos, len, addr, prefix, proc);
break;
case XOP_ADC_RM8_R8:
result = x86_read_instr_adc_rm8_r8(data, pos, len, addr, prefix, proc);
break;
case XOP_AND_RM8_R8:
result = x86_read_instr_and_rm8_r8(data, pos, len, addr, prefix, proc);
break;
case XOP_SUB_RM1632_R1632:
result = x86_read_instr_sub_rm1632_r1632(data, pos, len, addr, prefix, proc);
break;
case XOP_SUB_R8_RM8:
result = x86_read_instr_sub_r8_rm8(data, pos, len, addr, prefix, proc);
break;
case XOP_SUB_AL_IMM8:
result = x86_read_instr_sub_al_imm8(data, pos, len, addr, prefix, proc);
break;
case XOP_SUB_E_AX_IMM1632:
result = x86_read_instr_sub_e_ax_imm1632(data, pos, len, addr, prefix, proc);
break;
case XOP_XOR_RM8_R8:
result = x86_read_instr_xor_rm8_r8(data, pos, len, addr, prefix, proc);
break;
case XOP_XOR_RM1632_R1632:
result = x86_read_instr_xor_rm1632_r1632(data, pos, len, addr, prefix, proc);
break;
case XOP_XOR_R8_RM8:
result = x86_read_instr_xor_r8_rm8(data, pos, len, addr, prefix, proc);
break;
case XOP_XOR_R1632_RM1632:
result = x86_read_instr_xor_r1632_rm1632(data, pos, len, addr, prefix, proc);
break;
case XOP_XOR_AL_IMM8:
result = x86_read_instr_xor_al_imm8(data, pos, len, addr, prefix, proc);
break;
case XOP_XOR_E_AX_IMM1632:
result = x86_read_instr_xor_e_ax_imm1632(data, pos, len, addr, prefix, proc);
break;
case XOP_CMP_RM1632_R1632:
result = x86_read_instr_cmp_rm1632_r1632(data, pos, len, addr, prefix, proc);
break;
case XOP_INC_E_AX:
case XOP_INC_E_CX:
case XOP_INC_E_DX:
case XOP_INC_E_BX:
case XOP_INC_E_SP:
case XOP_INC_E_BP:
case XOP_INC_E_SI:
case XOP_INC_E_DI:
result = x86_read_instr_inc_r1632(data, pos, len, addr, prefix, proc);
break;
case XOP_DEC_E_AX:
case XOP_DEC_E_CX:
case XOP_DEC_E_DX:
case XOP_DEC_E_BX:
case XOP_DEC_E_SP:
case XOP_DEC_E_BP:
case XOP_DEC_E_SI:
case XOP_DEC_E_DI:
result = x86_read_instr_dec_r1632(data, pos, len, addr, prefix, proc);
break;
case XOP_PUSH_E_AX:
case XOP_PUSH_E_CX:
case XOP_PUSH_E_DX:
case XOP_PUSH_E_BX:
case XOP_PUSH_E_SP:
case XOP_PUSH_E_BP:
case XOP_PUSH_E_SI:
case XOP_PUSH_E_DI:
result = x86_read_instr_push_r1632(data, pos, len, addr, prefix, proc);
break;
case XOP_POP_E_AX:
case XOP_POP_E_CX:
case XOP_POP_E_DX:
case XOP_POP_E_BX:
case XOP_POP_E_SP:
case XOP_POP_E_BP:
case XOP_POP_E_SI:
case XOP_POP_E_DI:
result = x86_read_instr_pop_r1632(data, pos, len, addr, prefix, proc);
break;
case XOP_PUSH_IMM1632:
result = x86_read_instr_push_imm1632(data, pos, len, addr, prefix, proc);
break;
case XOP_JO_REL8:
result = x86_read_instr_jo_rel8(data, pos, len, addr, prefix, proc);
break;
case XOP_JNO_REL8:
result = x86_read_instr_jno_rel8(data, pos, len, addr, prefix, proc);
break;
case XOP_JB_REL8:
result = x86_read_instr_jb_rel8(data, pos, len, addr, prefix, proc);
break;
case XOP_JNB_REL8:
result = x86_read_instr_jnb_rel8(data, pos, len, addr, prefix, proc);
break;
case XOP_JE_REL8:
result = x86_read_instr_je_rel8(data, pos, len, addr, prefix, proc);
break;
case XOP_JNE_REL8:
result = x86_read_instr_jne_rel8(data, pos, len, addr, prefix, proc);
break;
case XOP_JNA_REL8:
result = x86_read_instr_jna_rel8(data, pos, len, addr, prefix, proc);
break;
case XOP_JA_REL8:
result = x86_read_instr_ja_rel8(data, pos, len, addr, prefix, proc);
break;
case XOP_JS_REL8:
result = x86_read_instr_js_rel8(data, pos, len, addr, prefix, proc);
break;
case XOP_JNS_REL8:
result = x86_read_instr_jns_rel8(data, pos, len, addr, prefix, proc);
break;
case XOP_JP_REL8:
result = x86_read_instr_jp_rel8(data, pos, len, addr, prefix, proc);
break;
case XOP_JNP_REL8:
result = x86_read_instr_jnp_rel8(data, pos, len, addr, prefix, proc);
break;
case XOP_JL_REL8:
result = x86_read_instr_jl_rel8(data, pos, len, addr, prefix, proc);
break;
case XOP_JNL_REL8:
result = x86_read_instr_jnl_rel8(data, pos, len, addr, prefix, proc);
break;
case XOP_JNG_REL8:
result = x86_read_instr_jng_rel8(data, pos, len, addr, prefix, proc);
break;
case XOP_JG_REL8:
result = x86_read_instr_jg_rel8(data, pos, len, addr, prefix, proc);
break;
case XOP_ADD_RM8_IMM8:
result = x86_read_instr_add_rm8_imm8(data, pos, len, addr, prefix, proc);
break;
case XOP_OR_RM8_IMM8:
result = x86_read_instr_or_rm8_imm8(data, pos, len, addr, prefix, proc);
break;
case XOP_ADC_RM8_IMM8:
result = x86_read_instr_adc_rm8_imm8(data, pos, len, addr, prefix, proc);
break;
case XOP_SBB_RM8_IMM8:
result = x86_read_instr_sbb_rm8_imm8(data, pos, len, addr, prefix, proc);
break;
case XOP_AND_RM8_IMM8:
result = x86_read_instr_and_rm8_imm8(data, pos, len, addr, prefix, proc);
break;
case XOP_SUB_RM8_IMM8:
result = x86_read_instr_sub_rm8_imm8(data, pos, len, addr, prefix, proc);
break;
case XOP_XOR_RM8_IMM8:
result = x86_read_instr_xor_rm8_imm8(data, pos, len, addr, prefix, proc);
break;
case XOP_CMP_RM8_IMM8:
result = x86_read_instr_cmp_rm8_imm8(data, pos, len, addr, prefix, proc);
break;
case XOP_ADD_RM1632_IMM1632:
result = x86_read_instr_add_rm1632_imm1632(data, pos, len, addr, prefix, proc);
break;
case XOP_OR_RM1632_IMM1632:
result = x86_read_instr_or_rm1632_imm1632(data, pos, len, addr, prefix, proc);
break;
case XOP_ADC_RM1632_IMM1632:
result = x86_read_instr_adc_rm1632_imm1632(data, pos, len, addr, prefix, proc);
break;
case XOP_SBB_RM1632_IMM1632:
result = x86_read_instr_sbb_rm1632_imm1632(data, pos, len, addr, prefix, proc);
break;
case XOP_AND_RM1632_IMM1632:
result = x86_read_instr_and_rm1632_imm1632(data, pos, len, addr, prefix, proc);
break;
case XOP_SUB_RM1632_IMM1632:
result = x86_read_instr_sub_rm1632_imm1632(data, pos, len, addr, prefix, proc);
break;
case XOP_XOR_RM1632_IMM1632:
result = x86_read_instr_xor_rm1632_imm1632(data, pos, len, addr, prefix, proc);
break;
case XOP_CMP_RM1632_IMM1632:
result = x86_read_instr_cmp_rm1632_imm1632(data, pos, len, addr, prefix, proc);
break;
case XOP_ADD_RM1632_IMM8:
result = x86_read_instr_add_rm1632_imm8(data, pos, len, addr, prefix, proc);
break;
case XOP_OR_RM1632_IMM8:
result = x86_read_instr_or_rm1632_imm8(data, pos, len, addr, prefix, proc);
break;
case XOP_ADC_RM1632_IMM8:
result = x86_read_instr_adc_rm1632_imm8(data, pos, len, addr, prefix, proc);
break;
case XOP_SBB_RM1632_IMM8:
result = x86_read_instr_sbb_rm1632_imm8(data, pos, len, addr, prefix, proc);
break;
case XOP_AND_RM1632_IMM8:
result = x86_read_instr_and_rm1632_imm8(data, pos, len, addr, prefix, proc);
break;
case XOP_SUB_RM1632_IMM8:
result = x86_read_instr_sub_rm1632_imm8(data, pos, len, addr, prefix, proc);
break;
case XOP_XOR_RM1632_IMM8:
result = x86_read_instr_xor_rm1632_imm8(data, pos, len, addr, prefix, proc);
break;
case XOP_CMP_RM1632_IMM8:
result = x86_read_instr_cmp_rm1632_imm8(data, pos, len, addr, prefix, proc);
break;
case XOP_TEST_RM8_R8:
result = x86_read_instr_test_rm8_r8(data, pos, len, addr, prefix, proc);
break;
case XOP_TEST_RM1632_R1632:
result = x86_read_instr_test_rm1632_r1632(data, pos, len, addr, prefix, proc);
break;
case XOP_MOV_RM8_R8:
result = x86_read_instr_mov_rm8_r8(data, pos, len, addr, prefix, proc);
break;
case XOP_MOV_RM1632_R1632:
result = x86_read_instr_mov_rm1632_r1632(data, pos, len, addr, prefix, proc);
break;
case XOP_MOV_R1632_RM1632:
result = x86_read_instr_mov_r1632_rm1632(data, pos, len, addr, prefix, proc);
break;
case XOP_LEA_R1632_M:
result = x86_read_instr_lea_r1632_m(data, pos, len, addr, prefix, proc);
break;
case XOP_NOP:
result = x86_read_instr_nop(data, pos, len, addr, prefix, proc);
break;
case XOP_XCHG_R1632_E_AX:
case XOP_XCHG_R1632_E_CX:
case XOP_XCHG_R1632_E_DX:
case XOP_XCHG_R1632_E_BX:
case XOP_XCHG_R1632_E_SP:
case XOP_XCHG_R1632_E_BP:
case XOP_XCHG_R1632_E_SI:
case XOP_XCHG_R1632_E_DI:
result = x86_read_instr_xchg_r1632_e_ax(data, pos, len, addr, prefix, proc);
break;
case XOP_MOV_AL_MOFFS8:
result = x86_read_instr_mov_al_moffs8(data, pos, len, addr, prefix, proc);
break;
case XOP_MOV_E_AX_MOFFS1632:
result = x86_read_instr_mov_e_ax_moffs1632(data, pos, len, addr, prefix, proc);
break;
case XOP_MOV_MOFFS8_AL:
result = x86_read_instr_mov_moffs8_al(data, pos, len, addr, prefix, proc);
break;
case XOP_MOV_MOFFS1632_E_AX:
result = x86_read_instr_mov_moffs1632_e_ax(data, pos, len, addr, prefix, proc);
break;
case XOP_TEST_AL_IMM8:
result = x86_read_instr_test_al_imm8(data, pos, len, addr, prefix, proc);
break;
case XOP_TEST_E_AX_IMM1632:
result = x86_read_instr_test_e_ax_imm1632(data, pos, len, addr, prefix, proc);
break;
case XOP_MOV_E_AX_IMM1632:
case XOP_MOV_E_CX_IMM1632:
case XOP_MOV_E_DX_IMM1632:
case XOP_MOV_E_BX_IMM1632:
case XOP_MOV_E_SP_IMM1632:
case XOP_MOV_E_BP_IMM1632:
case XOP_MOV_E_SI_IMM1632:
case XOP_MOV_E_DI_IMM1632:
result = x86_read_instr_mov_r1632_imm1632(data, pos, len, addr, prefix, proc);
break;
case XOP_ROL_RM1632_IMM8:
result = x86_read_instr_rol_rm1632_imm8(data, pos, len, addr, prefix, proc);
break;
case XOP_ROR_RM1632_IMM8:
result = x86_read_instr_ror_rm1632_imm8(data, pos, len, addr, prefix, proc);
break;
case XOP_RCL_RM1632_IMM8:
result = x86_read_instr_rcl_rm1632_imm8(data, pos, len, addr, prefix, proc);
break;
case XOP_RCR_RM1632_IMM8:
result = x86_read_instr_rcr_rm1632_imm8(data, pos, len, addr, prefix, proc);
break;
case XOP_SHL_RM1632_IMM8:
result = x86_read_instr_shl_rm1632_imm8(data, pos, len, addr, prefix, proc);
break;
case XOP_SHR_RM1632_IMM8:
result = x86_read_instr_shr_rm1632_imm8(data, pos, len, addr, prefix, proc);
break;
case XOP_SAL_RM1632_IMM8:
result = x86_read_instr_sal_rm1632_imm8(data, pos, len, addr, prefix, proc);
break;
case XOP_SAR_RM1632_IMM8:
result = x86_read_instr_sar_rm1632_imm8(data, pos, len, addr, prefix, proc);
break;
case XOP_RET:
result = x86_read_instr_ret(data, pos, len, addr, prefix, proc);
break;
case XOP_MOV_RM8_IMM8:
result = x86_read_instr_mov_rm8_imm8(data, pos, len, addr, prefix, proc);
break;
case XOP_MOV_RM1632_IMM1632:
result = x86_read_instr_mov_rm1632_imm1632(data, pos, len, addr, prefix, proc);
break;
case XOP_LEAVE:
result = x86_read_instr_leave(data, pos, len, addr, prefix, proc);
break;
case XOP_INT_3:
result = x86_read_instr_int_3(data, pos, len, addr, prefix, proc);
break;
case XOP_INT:
result = x86_read_instr_int_imm8(data, pos, len, addr, prefix, proc);
break;
case XOP_SHL_RM1632_CL:
result = x86_read_instr_shl_rm1632_cl(data, pos, len, addr, prefix, proc);
break;
case XOP_CALL_REL1632:
result = x86_read_instr_call_rel1632(data, pos, len, addr, prefix, proc);
break;
case XOP_JMP_REL1632:
result = x86_read_instr_jmp_rel1632(data, pos, len, addr, prefix, proc);
break;
case XOP_JMP_REL8:
result = x86_read_instr_jmp_rel8(data, pos, len, addr, prefix, proc);
break;
case XOP_HLT:
result = x86_read_instr_hlt(data, pos, len, addr, prefix, proc);
break;
case XOP_NOT_RM1632:
result = x86_read_instr_not_rm1632(data, pos, len, addr, prefix, proc);
break;
case XOP_CLD:
result = x86_read_instr_cld(data, pos, len, addr, prefix, proc);
break;
case XOP_CALL_RM1632:
result = x86_read_instr_call_rm1632(data, pos, len, addr, prefix, proc);
break;
case XOP_JMP_RM1632:
result = x86_read_instr_jmp_rm1632(data, pos, len, addr, prefix, proc);
break;
case XOP_PUSH_RM1632:
result = x86_read_instr_push_rm1632(data, pos, len, addr, prefix, proc);
break;
default:
result = NULL;
break;
}
return result;
}
|
