Coverage Report

Created: 2025-07-01 07:03

/src/capstonev5/arch/X86/X86Mapping.c
Line
Count
Source (jump to first uncovered line)
1
/* Capstone Disassembly Engine */
2
/* By Nguyen Anh Quynh <aquynh@gmail.com>, 2013-2019 */
3
4
#ifdef CAPSTONE_HAS_X86
5
6
#if defined(CAPSTONE_HAS_OSXKERNEL)
7
#include <Availability.h>
8
#endif
9
10
#include <string.h>
11
#ifndef CAPSTONE_HAS_OSXKERNEL
12
#include <stdlib.h>
13
#endif
14
15
#include "X86Mapping.h"
16
#include "X86DisassemblerDecoder.h"
17
18
#include "../../utils.h"
19
20
21
const uint64_t arch_masks[9] = {
22
  0, 0xff,
23
  0xffff, // 16bit
24
  0,
25
  0xffffffff, // 32bit
26
  0, 0, 0,
27
  0xffffffffffffffffLL  // 64bit
28
};
29
30
static const x86_reg sib_base_map[] = {
31
  X86_REG_INVALID,
32
#define ENTRY(x) X86_REG_##x,
33
  ALL_SIB_BASES
34
#undef ENTRY
35
};
36
37
// Fill-ins to make the compiler happy.  These constants are never actually
38
// assigned; they are just filler to make an automatically-generated switch
39
// statement work.
40
enum {
41
  X86_REG_BX_SI = 500,
42
  X86_REG_BX_DI = 501,
43
  X86_REG_BP_SI = 502,
44
  X86_REG_BP_DI = 503,
45
  X86_REG_sib   = 504,
46
  X86_REG_sib64 = 505
47
};
48
49
static const x86_reg sib_index_map[] = {
50
  X86_REG_INVALID,
51
#define ENTRY(x) X86_REG_##x,
52
  ALL_EA_BASES
53
  REGS_XMM
54
  REGS_YMM
55
  REGS_ZMM
56
#undef ENTRY
57
};
58
59
static const x86_reg segment_map[] = {
60
  X86_REG_INVALID,
61
  X86_REG_CS,
62
  X86_REG_SS,
63
  X86_REG_DS,
64
  X86_REG_ES,
65
  X86_REG_FS,
66
  X86_REG_GS,
67
};
68
69
x86_reg x86_map_sib_base(int r)
70
1.20M
{
71
1.20M
  return sib_base_map[r];
72
1.20M
}
73
74
x86_reg x86_map_sib_index(int r)
75
1.20M
{
76
1.20M
  return sib_index_map[r];
77
1.20M
}
78
79
x86_reg x86_map_segment(int r)
80
0
{
81
0
  return segment_map[r];
82
0
}
83
84
#ifndef CAPSTONE_DIET
85
static const name_map reg_name_maps[] = {
86
  { X86_REG_INVALID, NULL },
87
88
  { X86_REG_AH, "ah" },
89
  { X86_REG_AL, "al" },
90
  { X86_REG_AX, "ax" },
91
  { X86_REG_BH, "bh" },
92
  { X86_REG_BL, "bl" },
93
  { X86_REG_BP, "bp" },
94
  { X86_REG_BPL, "bpl" },
95
  { X86_REG_BX, "bx" },
96
  { X86_REG_CH, "ch" },
97
  { X86_REG_CL, "cl" },
98
  { X86_REG_CS, "cs" },
99
  { X86_REG_CX, "cx" },
100
  { X86_REG_DH, "dh" },
101
  { X86_REG_DI, "di" },
102
  { X86_REG_DIL, "dil" },
103
  { X86_REG_DL, "dl" },
104
  { X86_REG_DS, "ds" },
105
  { X86_REG_DX, "dx" },
106
  { X86_REG_EAX, "eax" },
107
  { X86_REG_EBP, "ebp" },
108
  { X86_REG_EBX, "ebx" },
109
  { X86_REG_ECX, "ecx" },
110
  { X86_REG_EDI, "edi" },
111
  { X86_REG_EDX, "edx" },
112
  { X86_REG_EFLAGS, "flags" },
113
  { X86_REG_EIP, "eip" },
114
  { X86_REG_EIZ, "eiz" },
115
  { X86_REG_ES, "es" },
116
  { X86_REG_ESI, "esi" },
117
  { X86_REG_ESP, "esp" },
118
  { X86_REG_FPSW, "fpsw" },
119
  { X86_REG_FS, "fs" },
120
  { X86_REG_GS, "gs" },
121
  { X86_REG_IP, "ip" },
122
  { X86_REG_RAX, "rax" },
123
  { X86_REG_RBP, "rbp" },
124
  { X86_REG_RBX, "rbx" },
125
  { X86_REG_RCX, "rcx" },
126
  { X86_REG_RDI, "rdi" },
127
  { X86_REG_RDX, "rdx" },
128
  { X86_REG_RIP, "rip" },
129
  { X86_REG_RIZ, "riz" },
130
  { X86_REG_RSI, "rsi" },
131
  { X86_REG_RSP, "rsp" },
132
  { X86_REG_SI, "si" },
133
  { X86_REG_SIL, "sil" },
134
  { X86_REG_SP, "sp" },
135
  { X86_REG_SPL, "spl" },
136
  { X86_REG_SS, "ss" },
137
  { X86_REG_CR0, "cr0" },
138
  { X86_REG_CR1, "cr1" },
139
  { X86_REG_CR2, "cr2" },
140
  { X86_REG_CR3, "cr3" },
141
  { X86_REG_CR4, "cr4" },
142
  { X86_REG_CR5, "cr5" },
143
  { X86_REG_CR6, "cr6" },
144
  { X86_REG_CR7, "cr7" },
145
  { X86_REG_CR8, "cr8" },
146
  { X86_REG_CR9, "cr9" },
147
  { X86_REG_CR10, "cr10" },
148
  { X86_REG_CR11, "cr11" },
149
  { X86_REG_CR12, "cr12" },
150
  { X86_REG_CR13, "cr13" },
151
  { X86_REG_CR14, "cr14" },
152
  { X86_REG_CR15, "cr15" },
153
  { X86_REG_DR0, "dr0" },
154
  { X86_REG_DR1, "dr1" },
155
  { X86_REG_DR2, "dr2" },
156
  { X86_REG_DR3, "dr3" },
157
  { X86_REG_DR4, "dr4" },
158
  { X86_REG_DR5, "dr5" },
159
  { X86_REG_DR6, "dr6" },
160
  { X86_REG_DR7, "dr7" },
161
  { X86_REG_DR8, "dr8" },
162
  { X86_REG_DR9, "dr9" },
163
  { X86_REG_DR10, "dr10" },
164
  { X86_REG_DR11, "dr11" },
165
  { X86_REG_DR12, "dr12" },
166
  { X86_REG_DR13, "dr13" },
167
  { X86_REG_DR14, "dr14" },
168
  { X86_REG_DR15, "dr15" },
169
  { X86_REG_FP0, "fp0" },
170
  { X86_REG_FP1, "fp1" },
171
  { X86_REG_FP2, "fp2" },
172
  { X86_REG_FP3, "fp3" },
173
  { X86_REG_FP4, "fp4" },
174
  { X86_REG_FP5, "fp5" },
175
  { X86_REG_FP6, "fp6" },
176
  { X86_REG_FP7, "fp7" },
177
  { X86_REG_K0, "k0" },
178
  { X86_REG_K1, "k1" },
179
  { X86_REG_K2, "k2" },
180
  { X86_REG_K3, "k3" },
181
  { X86_REG_K4, "k4" },
182
  { X86_REG_K5, "k5" },
183
  { X86_REG_K6, "k6" },
184
  { X86_REG_K7, "k7" },
185
  { X86_REG_MM0, "mm0" },
186
  { X86_REG_MM1, "mm1" },
187
  { X86_REG_MM2, "mm2" },
188
  { X86_REG_MM3, "mm3" },
189
  { X86_REG_MM4, "mm4" },
190
  { X86_REG_MM5, "mm5" },
191
  { X86_REG_MM6, "mm6" },
192
  { X86_REG_MM7, "mm7" },
193
  { X86_REG_R8, "r8" },
194
  { X86_REG_R9, "r9" },
195
  { X86_REG_R10, "r10" },
196
  { X86_REG_R11, "r11" },
197
  { X86_REG_R12, "r12" },
198
  { X86_REG_R13, "r13" },
199
  { X86_REG_R14, "r14" },
200
  { X86_REG_R15, "r15" },
201
  { X86_REG_ST0, "st(0)" },
202
  { X86_REG_ST1, "st(1)" },
203
  { X86_REG_ST2, "st(2)" },
204
  { X86_REG_ST3, "st(3)" },
205
  { X86_REG_ST4, "st(4)" },
206
  { X86_REG_ST5, "st(5)" },
207
  { X86_REG_ST6, "st(6)" },
208
  { X86_REG_ST7, "st(7)" },
209
  { X86_REG_XMM0, "xmm0" },
210
  { X86_REG_XMM1, "xmm1" },
211
  { X86_REG_XMM2, "xmm2" },
212
  { X86_REG_XMM3, "xmm3" },
213
  { X86_REG_XMM4, "xmm4" },
214
  { X86_REG_XMM5, "xmm5" },
215
  { X86_REG_XMM6, "xmm6" },
216
  { X86_REG_XMM7, "xmm7" },
217
  { X86_REG_XMM8, "xmm8" },
218
  { X86_REG_XMM9, "xmm9" },
219
  { X86_REG_XMM10, "xmm10" },
220
  { X86_REG_XMM11, "xmm11" },
221
  { X86_REG_XMM12, "xmm12" },
222
  { X86_REG_XMM13, "xmm13" },
223
  { X86_REG_XMM14, "xmm14" },
224
  { X86_REG_XMM15, "xmm15" },
225
  { X86_REG_XMM16, "xmm16" },
226
  { X86_REG_XMM17, "xmm17" },
227
  { X86_REG_XMM18, "xmm18" },
228
  { X86_REG_XMM19, "xmm19" },
229
  { X86_REG_XMM20, "xmm20" },
230
  { X86_REG_XMM21, "xmm21" },
231
  { X86_REG_XMM22, "xmm22" },
232
  { X86_REG_XMM23, "xmm23" },
233
  { X86_REG_XMM24, "xmm24" },
234
  { X86_REG_XMM25, "xmm25" },
235
  { X86_REG_XMM26, "xmm26" },
236
  { X86_REG_XMM27, "xmm27" },
237
  { X86_REG_XMM28, "xmm28" },
238
  { X86_REG_XMM29, "xmm29" },
239
  { X86_REG_XMM30, "xmm30" },
240
  { X86_REG_XMM31, "xmm31" },
241
  { X86_REG_YMM0, "ymm0" },
242
  { X86_REG_YMM1, "ymm1" },
243
  { X86_REG_YMM2, "ymm2" },
244
  { X86_REG_YMM3, "ymm3" },
245
  { X86_REG_YMM4, "ymm4" },
246
  { X86_REG_YMM5, "ymm5" },
247
  { X86_REG_YMM6, "ymm6" },
248
  { X86_REG_YMM7, "ymm7" },
249
  { X86_REG_YMM8, "ymm8" },
250
  { X86_REG_YMM9, "ymm9" },
251
  { X86_REG_YMM10, "ymm10" },
252
  { X86_REG_YMM11, "ymm11" },
253
  { X86_REG_YMM12, "ymm12" },
254
  { X86_REG_YMM13, "ymm13" },
255
  { X86_REG_YMM14, "ymm14" },
256
  { X86_REG_YMM15, "ymm15" },
257
  { X86_REG_YMM16, "ymm16" },
258
  { X86_REG_YMM17, "ymm17" },
259
  { X86_REG_YMM18, "ymm18" },
260
  { X86_REG_YMM19, "ymm19" },
261
  { X86_REG_YMM20, "ymm20" },
262
  { X86_REG_YMM21, "ymm21" },
263
  { X86_REG_YMM22, "ymm22" },
264
  { X86_REG_YMM23, "ymm23" },
265
  { X86_REG_YMM24, "ymm24" },
266
  { X86_REG_YMM25, "ymm25" },
267
  { X86_REG_YMM26, "ymm26" },
268
  { X86_REG_YMM27, "ymm27" },
269
  { X86_REG_YMM28, "ymm28" },
270
  { X86_REG_YMM29, "ymm29" },
271
  { X86_REG_YMM30, "ymm30" },
272
  { X86_REG_YMM31, "ymm31" },
273
  { X86_REG_ZMM0, "zmm0" },
274
  { X86_REG_ZMM1, "zmm1" },
275
  { X86_REG_ZMM2, "zmm2" },
276
  { X86_REG_ZMM3, "zmm3" },
277
  { X86_REG_ZMM4, "zmm4" },
278
  { X86_REG_ZMM5, "zmm5" },
279
  { X86_REG_ZMM6, "zmm6" },
280
  { X86_REG_ZMM7, "zmm7" },
281
  { X86_REG_ZMM8, "zmm8" },
282
  { X86_REG_ZMM9, "zmm9" },
283
  { X86_REG_ZMM10, "zmm10" },
284
  { X86_REG_ZMM11, "zmm11" },
285
  { X86_REG_ZMM12, "zmm12" },
286
  { X86_REG_ZMM13, "zmm13" },
287
  { X86_REG_ZMM14, "zmm14" },
288
  { X86_REG_ZMM15, "zmm15" },
289
  { X86_REG_ZMM16, "zmm16" },
290
  { X86_REG_ZMM17, "zmm17" },
291
  { X86_REG_ZMM18, "zmm18" },
292
  { X86_REG_ZMM19, "zmm19" },
293
  { X86_REG_ZMM20, "zmm20" },
294
  { X86_REG_ZMM21, "zmm21" },
295
  { X86_REG_ZMM22, "zmm22" },
296
  { X86_REG_ZMM23, "zmm23" },
297
  { X86_REG_ZMM24, "zmm24" },
298
  { X86_REG_ZMM25, "zmm25" },
299
  { X86_REG_ZMM26, "zmm26" },
300
  { X86_REG_ZMM27, "zmm27" },
301
  { X86_REG_ZMM28, "zmm28" },
302
  { X86_REG_ZMM29, "zmm29" },
303
  { X86_REG_ZMM30, "zmm30" },
304
  { X86_REG_ZMM31, "zmm31" },
305
  { X86_REG_R8B, "r8b" },
306
  { X86_REG_R9B, "r9b" },
307
  { X86_REG_R10B, "r10b" },
308
  { X86_REG_R11B, "r11b" },
309
  { X86_REG_R12B, "r12b" },
310
  { X86_REG_R13B, "r13b" },
311
  { X86_REG_R14B, "r14b" },
312
  { X86_REG_R15B, "r15b" },
313
  { X86_REG_R8D, "r8d" },
314
  { X86_REG_R9D, "r9d" },
315
  { X86_REG_R10D, "r10d" },
316
  { X86_REG_R11D, "r11d" },
317
  { X86_REG_R12D, "r12d" },
318
  { X86_REG_R13D, "r13d" },
319
  { X86_REG_R14D, "r14d" },
320
  { X86_REG_R15D, "r15d" },
321
  { X86_REG_R8W, "r8w" },
322
  { X86_REG_R9W, "r9w" },
323
  { X86_REG_R10W, "r10w" },
324
  { X86_REG_R11W, "r11w" },
325
  { X86_REG_R12W, "r12w" },
326
  { X86_REG_R13W, "r13w" },
327
  { X86_REG_R14W, "r14w" },
328
  { X86_REG_R15W, "r15w" },
329
330
  { X86_REG_BND0, "bnd0" },
331
  { X86_REG_BND1, "bnd1" },
332
  { X86_REG_BND2, "bnd2" },
333
  { X86_REG_BND3, "bnd3" },
334
};
335
#endif
336
337
// register size in non-64bit mode
338
const uint8_t regsize_map_32 [] = {
339
  0,  //  { X86_REG_INVALID, NULL },
340
  1,  // { X86_REG_AH, "ah" },
341
  1,  // { X86_REG_AL, "al" },
342
  2,  // { X86_REG_AX, "ax" },
343
  1,  // { X86_REG_BH, "bh" },
344
  1,  // { X86_REG_BL, "bl" },
345
  2,  // { X86_REG_BP, "bp" },
346
  1,  // { X86_REG_BPL, "bpl" },
347
  2,  // { X86_REG_BX, "bx" },
348
  1,  // { X86_REG_CH, "ch" },
349
  1,  // { X86_REG_CL, "cl" },
350
  2,  // { X86_REG_CS, "cs" },
351
  2,  // { X86_REG_CX, "cx" },
352
  1,  // { X86_REG_DH, "dh" },
353
  2,  // { X86_REG_DI, "di" },
354
  1,  // { X86_REG_DIL, "dil" },
355
  1,  // { X86_REG_DL, "dl" },
356
  2,  // { X86_REG_DS, "ds" },
357
  2,  // { X86_REG_DX, "dx" },
358
  4,  // { X86_REG_EAX, "eax" },
359
  4,  // { X86_REG_EBP, "ebp" },
360
  4,  // { X86_REG_EBX, "ebx" },
361
  4,  // { X86_REG_ECX, "ecx" },
362
  4,  // { X86_REG_EDI, "edi" },
363
  4,  // { X86_REG_EDX, "edx" },
364
  4,  // { X86_REG_EFLAGS, "flags" },
365
  4,  // { X86_REG_EIP, "eip" },
366
  4,  // { X86_REG_EIZ, "eiz" },
367
  2,  // { X86_REG_ES, "es" },
368
  4,  // { X86_REG_ESI, "esi" },
369
  4,  // { X86_REG_ESP, "esp" },
370
  10, // { X86_REG_FPSW, "fpsw" },
371
  2,  // { X86_REG_FS, "fs" },
372
  2,  // { X86_REG_GS, "gs" },
373
  2,  // { X86_REG_IP, "ip" },
374
  8,  // { X86_REG_RAX, "rax" },
375
  8,  // { X86_REG_RBP, "rbp" },
376
  8,  // { X86_REG_RBX, "rbx" },
377
  8,  // { X86_REG_RCX, "rcx" },
378
  8,  // { X86_REG_RDI, "rdi" },
379
  8,  // { X86_REG_RDX, "rdx" },
380
  8,  // { X86_REG_RIP, "rip" },
381
  8,  // { X86_REG_RIZ, "riz" },
382
  8,  // { X86_REG_RSI, "rsi" },
383
  8,  // { X86_REG_RSP, "rsp" },
384
  2,  // { X86_REG_SI, "si" },
385
  1,  // { X86_REG_SIL, "sil" },
386
  2,  // { X86_REG_SP, "sp" },
387
  1,  // { X86_REG_SPL, "spl" },
388
  2,  // { X86_REG_SS, "ss" },
389
  4,  // { X86_REG_CR0, "cr0" },
390
  4,  // { X86_REG_CR1, "cr1" },
391
  4,  // { X86_REG_CR2, "cr2" },
392
  4,  // { X86_REG_CR3, "cr3" },
393
  4,  // { X86_REG_CR4, "cr4" },
394
  8,  // { X86_REG_CR5, "cr5" },
395
  8,  // { X86_REG_CR6, "cr6" },
396
  8,  // { X86_REG_CR7, "cr7" },
397
  8,  // { X86_REG_CR8, "cr8" },
398
  8,  // { X86_REG_CR9, "cr9" },
399
  8,  // { X86_REG_CR10, "cr10" },
400
  8,  // { X86_REG_CR11, "cr11" },
401
  8,  // { X86_REG_CR12, "cr12" },
402
  8,  // { X86_REG_CR13, "cr13" },
403
  8,  // { X86_REG_CR14, "cr14" },
404
  8,  // { X86_REG_CR15, "cr15" },
405
  4,  // { X86_REG_DR0, "dr0" },
406
  4,  // { X86_REG_DR1, "dr1" },
407
  4,  // { X86_REG_DR2, "dr2" },
408
  4,  // { X86_REG_DR3, "dr3" },
409
  4,  // { X86_REG_DR4, "dr4" },
410
  4,  // { X86_REG_DR5, "dr5" },
411
  4,  // { X86_REG_DR6, "dr6" },
412
  4,  // { X86_REG_DR7, "dr7" },
413
  4,  // { X86_REG_DR8, "dr8" },
414
  4,  // { X86_REG_DR9, "dr9" },
415
  4,  // { X86_REG_DR10, "dr10" },
416
  4,  // { X86_REG_DR11, "dr11" },
417
  4,  // { X86_REG_DR12, "dr12" },
418
  4,  // { X86_REG_DR13, "dr13" },
419
  4,  // { X86_REG_DR14, "dr14" },
420
  4,  // { X86_REG_DR15, "dr15" },
421
  10, // { X86_REG_FP0, "fp0" },
422
  10, // { X86_REG_FP1, "fp1" },
423
  10, // { X86_REG_FP2, "fp2" },
424
  10, // { X86_REG_FP3, "fp3" },
425
  10, // { X86_REG_FP4, "fp4" },
426
  10, // { X86_REG_FP5, "fp5" },
427
  10, // { X86_REG_FP6, "fp6" },
428
  10, // { X86_REG_FP7, "fp7" },
429
  2,  // { X86_REG_K0, "k0" },
430
  2,  // { X86_REG_K1, "k1" },
431
  2,  // { X86_REG_K2, "k2" },
432
  2,  // { X86_REG_K3, "k3" },
433
  2,  // { X86_REG_K4, "k4" },
434
  2,  // { X86_REG_K5, "k5" },
435
  2,  // { X86_REG_K6, "k6" },
436
  2,  // { X86_REG_K7, "k7" },
437
  8,  // { X86_REG_MM0, "mm0" },
438
  8,  // { X86_REG_MM1, "mm1" },
439
  8,  // { X86_REG_MM2, "mm2" },
440
  8,  // { X86_REG_MM3, "mm3" },
441
  8,  // { X86_REG_MM4, "mm4" },
442
  8,  // { X86_REG_MM5, "mm5" },
443
  8,  // { X86_REG_MM6, "mm6" },
444
  8,  // { X86_REG_MM7, "mm7" },
445
  8,  // { X86_REG_R8, "r8" },
446
  8,  // { X86_REG_R9, "r9" },
447
  8,  // { X86_REG_R10, "r10" },
448
  8,  // { X86_REG_R11, "r11" },
449
  8,  // { X86_REG_R12, "r12" },
450
  8,  // { X86_REG_R13, "r13" },
451
  8,  // { X86_REG_R14, "r14" },
452
  8,  // { X86_REG_R15, "r15" },
453
  10, // { X86_REG_ST0, "st0" },
454
  10, // { X86_REG_ST1, "st1" },
455
  10, // { X86_REG_ST2, "st2" },
456
  10, // { X86_REG_ST3, "st3" },
457
  10, // { X86_REG_ST4, "st4" },
458
  10, // { X86_REG_ST5, "st5" },
459
  10, // { X86_REG_ST6, "st6" },
460
  10, // { X86_REG_ST7, "st7" },
461
  16, // { X86_REG_XMM0, "xmm0" },
462
  16, // { X86_REG_XMM1, "xmm1" },
463
  16, // { X86_REG_XMM2, "xmm2" },
464
  16, // { X86_REG_XMM3, "xmm3" },
465
  16, // { X86_REG_XMM4, "xmm4" },
466
  16, // { X86_REG_XMM5, "xmm5" },
467
  16, // { X86_REG_XMM6, "xmm6" },
468
  16, // { X86_REG_XMM7, "xmm7" },
469
  16, // { X86_REG_XMM8, "xmm8" },
470
  16, // { X86_REG_XMM9, "xmm9" },
471
  16, // { X86_REG_XMM10, "xmm10" },
472
  16, // { X86_REG_XMM11, "xmm11" },
473
  16, // { X86_REG_XMM12, "xmm12" },
474
  16, // { X86_REG_XMM13, "xmm13" },
475
  16, // { X86_REG_XMM14, "xmm14" },
476
  16, // { X86_REG_XMM15, "xmm15" },
477
  16, // { X86_REG_XMM16, "xmm16" },
478
  16, // { X86_REG_XMM17, "xmm17" },
479
  16, // { X86_REG_XMM18, "xmm18" },
480
  16, // { X86_REG_XMM19, "xmm19" },
481
  16, // { X86_REG_XMM20, "xmm20" },
482
  16, // { X86_REG_XMM21, "xmm21" },
483
  16, // { X86_REG_XMM22, "xmm22" },
484
  16, // { X86_REG_XMM23, "xmm23" },
485
  16, // { X86_REG_XMM24, "xmm24" },
486
  16, // { X86_REG_XMM25, "xmm25" },
487
  16, // { X86_REG_XMM26, "xmm26" },
488
  16, // { X86_REG_XMM27, "xmm27" },
489
  16, // { X86_REG_XMM28, "xmm28" },
490
  16, // { X86_REG_XMM29, "xmm29" },
491
  16, // { X86_REG_XMM30, "xmm30" },
492
  16, // { X86_REG_XMM31, "xmm31" },
493
  32, // { X86_REG_YMM0, "ymm0" },
494
  32, // { X86_REG_YMM1, "ymm1" },
495
  32, // { X86_REG_YMM2, "ymm2" },
496
  32, // { X86_REG_YMM3, "ymm3" },
497
  32, // { X86_REG_YMM4, "ymm4" },
498
  32, // { X86_REG_YMM5, "ymm5" },
499
  32, // { X86_REG_YMM6, "ymm6" },
500
  32, // { X86_REG_YMM7, "ymm7" },
501
  32, // { X86_REG_YMM8, "ymm8" },
502
  32, // { X86_REG_YMM9, "ymm9" },
503
  32, // { X86_REG_YMM10, "ymm10" },
504
  32, // { X86_REG_YMM11, "ymm11" },
505
  32, // { X86_REG_YMM12, "ymm12" },
506
  32, // { X86_REG_YMM13, "ymm13" },
507
  32, // { X86_REG_YMM14, "ymm14" },
508
  32, // { X86_REG_YMM15, "ymm15" },
509
  32, // { X86_REG_YMM16, "ymm16" },
510
  32, // { X86_REG_YMM17, "ymm17" },
511
  32, // { X86_REG_YMM18, "ymm18" },
512
  32, // { X86_REG_YMM19, "ymm19" },
513
  32, // { X86_REG_YMM20, "ymm20" },
514
  32, // { X86_REG_YMM21, "ymm21" },
515
  32, // { X86_REG_YMM22, "ymm22" },
516
  32, // { X86_REG_YMM23, "ymm23" },
517
  32, // { X86_REG_YMM24, "ymm24" },
518
  32, // { X86_REG_YMM25, "ymm25" },
519
  32, // { X86_REG_YMM26, "ymm26" },
520
  32, // { X86_REG_YMM27, "ymm27" },
521
  32, // { X86_REG_YMM28, "ymm28" },
522
  32, // { X86_REG_YMM29, "ymm29" },
523
  32, // { X86_REG_YMM30, "ymm30" },
524
  32, // { X86_REG_YMM31, "ymm31" },
525
  64, // { X86_REG_ZMM0, "zmm0" },
526
  64, // { X86_REG_ZMM1, "zmm1" },
527
  64, // { X86_REG_ZMM2, "zmm2" },
528
  64, // { X86_REG_ZMM3, "zmm3" },
529
  64, // { X86_REG_ZMM4, "zmm4" },
530
  64, // { X86_REG_ZMM5, "zmm5" },
531
  64, // { X86_REG_ZMM6, "zmm6" },
532
  64, // { X86_REG_ZMM7, "zmm7" },
533
  64, // { X86_REG_ZMM8, "zmm8" },
534
  64, // { X86_REG_ZMM9, "zmm9" },
535
  64, // { X86_REG_ZMM10, "zmm10" },
536
  64, // { X86_REG_ZMM11, "zmm11" },
537
  64, // { X86_REG_ZMM12, "zmm12" },
538
  64, // { X86_REG_ZMM13, "zmm13" },
539
  64, // { X86_REG_ZMM14, "zmm14" },
540
  64, // { X86_REG_ZMM15, "zmm15" },
541
  64, // { X86_REG_ZMM16, "zmm16" },
542
  64, // { X86_REG_ZMM17, "zmm17" },
543
  64, // { X86_REG_ZMM18, "zmm18" },
544
  64, // { X86_REG_ZMM19, "zmm19" },
545
  64, // { X86_REG_ZMM20, "zmm20" },
546
  64, // { X86_REG_ZMM21, "zmm21" },
547
  64, // { X86_REG_ZMM22, "zmm22" },
548
  64, // { X86_REG_ZMM23, "zmm23" },
549
  64, // { X86_REG_ZMM24, "zmm24" },
550
  64, // { X86_REG_ZMM25, "zmm25" },
551
  64, // { X86_REG_ZMM26, "zmm26" },
552
  64, // { X86_REG_ZMM27, "zmm27" },
553
  64, // { X86_REG_ZMM28, "zmm28" },
554
  64, // { X86_REG_ZMM29, "zmm29" },
555
  64, // { X86_REG_ZMM30, "zmm30" },
556
  64, // { X86_REG_ZMM31, "zmm31" },
557
  1,  // { X86_REG_R8B, "r8b" },
558
  1,  // { X86_REG_R9B, "r9b" },
559
  1,  // { X86_REG_R10B, "r10b" },
560
  1,  // { X86_REG_R11B, "r11b" },
561
  1,  // { X86_REG_R12B, "r12b" },
562
  1,  // { X86_REG_R13B, "r13b" },
563
  1,  // { X86_REG_R14B, "r14b" },
564
  1,  // { X86_REG_R15B, "r15b" },
565
  4,  // { X86_REG_R8D, "r8d" },
566
  4,  // { X86_REG_R9D, "r9d" },
567
  4,  // { X86_REG_R10D, "r10d" },
568
  4,  // { X86_REG_R11D, "r11d" },
569
  4,  // { X86_REG_R12D, "r12d" },
570
  4,  // { X86_REG_R13D, "r13d" },
571
  4,  // { X86_REG_R14D, "r14d" },
572
  4,  // { X86_REG_R15D, "r15d" },
573
  2,  // { X86_REG_R8W, "r8w" },
574
  2,  // { X86_REG_R9W, "r9w" },
575
  2,  // { X86_REG_R10W, "r10w" },
576
  2,  // { X86_REG_R11W, "r11w" },
577
  2,  // { X86_REG_R12W, "r12w" },
578
  2,  // { X86_REG_R13W, "r13w" },
579
  2,  // { X86_REG_R14W, "r14w" },
580
  2,  // { X86_REG_R15W, "r15w" },
581
  16, // { X86_REG_BND0, "bnd0" },
582
  16, // { X86_REG_BND1, "bnd0" },
583
  16, // { X86_REG_BND2, "bnd0" },
584
  16, // { X86_REG_BND3, "bnd0" },
585
};
586
587
// register size in 64bit mode
588
const uint8_t regsize_map_64 [] = {
589
  0,  //  { X86_REG_INVALID, NULL },
590
  1,  // { X86_REG_AH, "ah" },
591
  1,  // { X86_REG_AL, "al" },
592
  2,  // { X86_REG_AX, "ax" },
593
  1,  // { X86_REG_BH, "bh" },
594
  1,  // { X86_REG_BL, "bl" },
595
  2,  // { X86_REG_BP, "bp" },
596
  1,  // { X86_REG_BPL, "bpl" },
597
  2,  // { X86_REG_BX, "bx" },
598
  1,  // { X86_REG_CH, "ch" },
599
  1,  // { X86_REG_CL, "cl" },
600
  2,  // { X86_REG_CS, "cs" },
601
  2,  // { X86_REG_CX, "cx" },
602
  1,  // { X86_REG_DH, "dh" },
603
  2,  // { X86_REG_DI, "di" },
604
  1,  // { X86_REG_DIL, "dil" },
605
  1,  // { X86_REG_DL, "dl" },
606
  2,  // { X86_REG_DS, "ds" },
607
  2,  // { X86_REG_DX, "dx" },
608
  4,  // { X86_REG_EAX, "eax" },
609
  4,  // { X86_REG_EBP, "ebp" },
610
  4,  // { X86_REG_EBX, "ebx" },
611
  4,  // { X86_REG_ECX, "ecx" },
612
  4,  // { X86_REG_EDI, "edi" },
613
  4,  // { X86_REG_EDX, "edx" },
614
  8,  // { X86_REG_EFLAGS, "flags" },
615
  4,  // { X86_REG_EIP, "eip" },
616
  4,  // { X86_REG_EIZ, "eiz" },
617
  2,  // { X86_REG_ES, "es" },
618
  4,  // { X86_REG_ESI, "esi" },
619
  4,  // { X86_REG_ESP, "esp" },
620
  10, // { X86_REG_FPSW, "fpsw" },
621
  2,  // { X86_REG_FS, "fs" },
622
  2,  // { X86_REG_GS, "gs" },
623
  2,  // { X86_REG_IP, "ip" },
624
  8,  // { X86_REG_RAX, "rax" },
625
  8,  // { X86_REG_RBP, "rbp" },
626
  8,  // { X86_REG_RBX, "rbx" },
627
  8,  // { X86_REG_RCX, "rcx" },
628
  8,  // { X86_REG_RDI, "rdi" },
629
  8,  // { X86_REG_RDX, "rdx" },
630
  8,  // { X86_REG_RIP, "rip" },
631
  8,  // { X86_REG_RIZ, "riz" },
632
  8,  // { X86_REG_RSI, "rsi" },
633
  8,  // { X86_REG_RSP, "rsp" },
634
  2,  // { X86_REG_SI, "si" },
635
  1,  // { X86_REG_SIL, "sil" },
636
  2,  // { X86_REG_SP, "sp" },
637
  1,  // { X86_REG_SPL, "spl" },
638
  2,  // { X86_REG_SS, "ss" },
639
  8,  // { X86_REG_CR0, "cr0" },
640
  8,  // { X86_REG_CR1, "cr1" },
641
  8,  // { X86_REG_CR2, "cr2" },
642
  8,  // { X86_REG_CR3, "cr3" },
643
  8,  // { X86_REG_CR4, "cr4" },
644
  8,  // { X86_REG_CR5, "cr5" },
645
  8,  // { X86_REG_CR6, "cr6" },
646
  8,  // { X86_REG_CR7, "cr7" },
647
  8,  // { X86_REG_CR8, "cr8" },
648
  8,  // { X86_REG_CR9, "cr9" },
649
  8,  // { X86_REG_CR10, "cr10" },
650
  8,  // { X86_REG_CR11, "cr11" },
651
  8,  // { X86_REG_CR12, "cr12" },
652
  8,  // { X86_REG_CR13, "cr13" },
653
  8,  // { X86_REG_CR14, "cr14" },
654
  8,  // { X86_REG_CR15, "cr15" },
655
  8,  // { X86_REG_DR0, "dr0" },
656
  8,  // { X86_REG_DR1, "dr1" },
657
  8,  // { X86_REG_DR2, "dr2" },
658
  8,  // { X86_REG_DR3, "dr3" },
659
  8,  // { X86_REG_DR4, "dr4" },
660
  8,  // { X86_REG_DR5, "dr5" },
661
  8,  // { X86_REG_DR6, "dr6" },
662
  8,  // { X86_REG_DR7, "dr7" },
663
  8,  // { X86_REG_DR8, "dr8" },
664
  8,  // { X86_REG_DR9, "dr9" },
665
  8,  // { X86_REG_DR10, "dr10" },
666
  8,  // { X86_REG_DR11, "dr11" },
667
  8,  // { X86_REG_DR12, "dr12" },
668
  8,  // { X86_REG_DR13, "dr13" },
669
  8,  // { X86_REG_DR14, "dr14" },
670
  8,  // { X86_REG_DR15, "dr15" },
671
  10, // { X86_REG_FP0, "fp0" },
672
  10, // { X86_REG_FP1, "fp1" },
673
  10, // { X86_REG_FP2, "fp2" },
674
  10, // { X86_REG_FP3, "fp3" },
675
  10, // { X86_REG_FP4, "fp4" },
676
  10, // { X86_REG_FP5, "fp5" },
677
  10, // { X86_REG_FP6, "fp6" },
678
  10, // { X86_REG_FP7, "fp7" },
679
  2,  // { X86_REG_K0, "k0" },
680
  2,  // { X86_REG_K1, "k1" },
681
  2,  // { X86_REG_K2, "k2" },
682
  2,  // { X86_REG_K3, "k3" },
683
  2,  // { X86_REG_K4, "k4" },
684
  2,  // { X86_REG_K5, "k5" },
685
  2,  // { X86_REG_K6, "k6" },
686
  2,  // { X86_REG_K7, "k7" },
687
  8,  // { X86_REG_MM0, "mm0" },
688
  8,  // { X86_REG_MM1, "mm1" },
689
  8,  // { X86_REG_MM2, "mm2" },
690
  8,  // { X86_REG_MM3, "mm3" },
691
  8,  // { X86_REG_MM4, "mm4" },
692
  8,  // { X86_REG_MM5, "mm5" },
693
  8,  // { X86_REG_MM6, "mm6" },
694
  8,  // { X86_REG_MM7, "mm7" },
695
  8,  // { X86_REG_R8, "r8" },
696
  8,  // { X86_REG_R9, "r9" },
697
  8,  // { X86_REG_R10, "r10" },
698
  8,  // { X86_REG_R11, "r11" },
699
  8,  // { X86_REG_R12, "r12" },
700
  8,  // { X86_REG_R13, "r13" },
701
  8,  // { X86_REG_R14, "r14" },
702
  8,  // { X86_REG_R15, "r15" },
703
  10, // { X86_REG_ST0, "st0" },
704
  10, // { X86_REG_ST1, "st1" },
705
  10, // { X86_REG_ST2, "st2" },
706
  10, // { X86_REG_ST3, "st3" },
707
  10, // { X86_REG_ST4, "st4" },
708
  10, // { X86_REG_ST5, "st5" },
709
  10, // { X86_REG_ST6, "st6" },
710
  10, // { X86_REG_ST7, "st7" },
711
  16, // { X86_REG_XMM0, "xmm0" },
712
  16, // { X86_REG_XMM1, "xmm1" },
713
  16, // { X86_REG_XMM2, "xmm2" },
714
  16, // { X86_REG_XMM3, "xmm3" },
715
  16, // { X86_REG_XMM4, "xmm4" },
716
  16, // { X86_REG_XMM5, "xmm5" },
717
  16, // { X86_REG_XMM6, "xmm6" },
718
  16, // { X86_REG_XMM7, "xmm7" },
719
  16, // { X86_REG_XMM8, "xmm8" },
720
  16, // { X86_REG_XMM9, "xmm9" },
721
  16, // { X86_REG_XMM10, "xmm10" },
722
  16, // { X86_REG_XMM11, "xmm11" },
723
  16, // { X86_REG_XMM12, "xmm12" },
724
  16, // { X86_REG_XMM13, "xmm13" },
725
  16, // { X86_REG_XMM14, "xmm14" },
726
  16, // { X86_REG_XMM15, "xmm15" },
727
  16, // { X86_REG_XMM16, "xmm16" },
728
  16, // { X86_REG_XMM17, "xmm17" },
729
  16, // { X86_REG_XMM18, "xmm18" },
730
  16, // { X86_REG_XMM19, "xmm19" },
731
  16, // { X86_REG_XMM20, "xmm20" },
732
  16, // { X86_REG_XMM21, "xmm21" },
733
  16, // { X86_REG_XMM22, "xmm22" },
734
  16, // { X86_REG_XMM23, "xmm23" },
735
  16, // { X86_REG_XMM24, "xmm24" },
736
  16, // { X86_REG_XMM25, "xmm25" },
737
  16, // { X86_REG_XMM26, "xmm26" },
738
  16, // { X86_REG_XMM27, "xmm27" },
739
  16, // { X86_REG_XMM28, "xmm28" },
740
  16, // { X86_REG_XMM29, "xmm29" },
741
  16, // { X86_REG_XMM30, "xmm30" },
742
  16, // { X86_REG_XMM31, "xmm31" },
743
  32, // { X86_REG_YMM0, "ymm0" },
744
  32, // { X86_REG_YMM1, "ymm1" },
745
  32, // { X86_REG_YMM2, "ymm2" },
746
  32, // { X86_REG_YMM3, "ymm3" },
747
  32, // { X86_REG_YMM4, "ymm4" },
748
  32, // { X86_REG_YMM5, "ymm5" },
749
  32, // { X86_REG_YMM6, "ymm6" },
750
  32, // { X86_REG_YMM7, "ymm7" },
751
  32, // { X86_REG_YMM8, "ymm8" },
752
  32, // { X86_REG_YMM9, "ymm9" },
753
  32, // { X86_REG_YMM10, "ymm10" },
754
  32, // { X86_REG_YMM11, "ymm11" },
755
  32, // { X86_REG_YMM12, "ymm12" },
756
  32, // { X86_REG_YMM13, "ymm13" },
757
  32, // { X86_REG_YMM14, "ymm14" },
758
  32, // { X86_REG_YMM15, "ymm15" },
759
  32, // { X86_REG_YMM16, "ymm16" },
760
  32, // { X86_REG_YMM17, "ymm17" },
761
  32, // { X86_REG_YMM18, "ymm18" },
762
  32, // { X86_REG_YMM19, "ymm19" },
763
  32, // { X86_REG_YMM20, "ymm20" },
764
  32, // { X86_REG_YMM21, "ymm21" },
765
  32, // { X86_REG_YMM22, "ymm22" },
766
  32, // { X86_REG_YMM23, "ymm23" },
767
  32, // { X86_REG_YMM24, "ymm24" },
768
  32, // { X86_REG_YMM25, "ymm25" },
769
  32, // { X86_REG_YMM26, "ymm26" },
770
  32, // { X86_REG_YMM27, "ymm27" },
771
  32, // { X86_REG_YMM28, "ymm28" },
772
  32, // { X86_REG_YMM29, "ymm29" },
773
  32, // { X86_REG_YMM30, "ymm30" },
774
  32, // { X86_REG_YMM31, "ymm31" },
775
  64, // { X86_REG_ZMM0, "zmm0" },
776
  64, // { X86_REG_ZMM1, "zmm1" },
777
  64, // { X86_REG_ZMM2, "zmm2" },
778
  64, // { X86_REG_ZMM3, "zmm3" },
779
  64, // { X86_REG_ZMM4, "zmm4" },
780
  64, // { X86_REG_ZMM5, "zmm5" },
781
  64, // { X86_REG_ZMM6, "zmm6" },
782
  64, // { X86_REG_ZMM7, "zmm7" },
783
  64, // { X86_REG_ZMM8, "zmm8" },
784
  64, // { X86_REG_ZMM9, "zmm9" },
785
  64, // { X86_REG_ZMM10, "zmm10" },
786
  64, // { X86_REG_ZMM11, "zmm11" },
787
  64, // { X86_REG_ZMM12, "zmm12" },
788
  64, // { X86_REG_ZMM13, "zmm13" },
789
  64, // { X86_REG_ZMM14, "zmm14" },
790
  64, // { X86_REG_ZMM15, "zmm15" },
791
  64, // { X86_REG_ZMM16, "zmm16" },
792
  64, // { X86_REG_ZMM17, "zmm17" },
793
  64, // { X86_REG_ZMM18, "zmm18" },
794
  64, // { X86_REG_ZMM19, "zmm19" },
795
  64, // { X86_REG_ZMM20, "zmm20" },
796
  64, // { X86_REG_ZMM21, "zmm21" },
797
  64, // { X86_REG_ZMM22, "zmm22" },
798
  64, // { X86_REG_ZMM23, "zmm23" },
799
  64, // { X86_REG_ZMM24, "zmm24" },
800
  64, // { X86_REG_ZMM25, "zmm25" },
801
  64, // { X86_REG_ZMM26, "zmm26" },
802
  64, // { X86_REG_ZMM27, "zmm27" },
803
  64, // { X86_REG_ZMM28, "zmm28" },
804
  64, // { X86_REG_ZMM29, "zmm29" },
805
  64, // { X86_REG_ZMM30, "zmm30" },
806
  64, // { X86_REG_ZMM31, "zmm31" },
807
  1,  // { X86_REG_R8B, "r8b" },
808
  1,  // { X86_REG_R9B, "r9b" },
809
  1,  // { X86_REG_R10B, "r10b" },
810
  1,  // { X86_REG_R11B, "r11b" },
811
  1,  // { X86_REG_R12B, "r12b" },
812
  1,  // { X86_REG_R13B, "r13b" },
813
  1,  // { X86_REG_R14B, "r14b" },
814
  1,  // { X86_REG_R15B, "r15b" },
815
  4,  // { X86_REG_R8D, "r8d" },
816
  4,  // { X86_REG_R9D, "r9d" },
817
  4,  // { X86_REG_R10D, "r10d" },
818
  4,  // { X86_REG_R11D, "r11d" },
819
  4,  // { X86_REG_R12D, "r12d" },
820
  4,  // { X86_REG_R13D, "r13d" },
821
  4,  // { X86_REG_R14D, "r14d" },
822
  4,  // { X86_REG_R15D, "r15d" },
823
  2,  // { X86_REG_R8W, "r8w" },
824
  2,  // { X86_REG_R9W, "r9w" },
825
  2,  // { X86_REG_R10W, "r10w" },
826
  2,  // { X86_REG_R11W, "r11w" },
827
  2,  // { X86_REG_R12W, "r12w" },
828
  2,  // { X86_REG_R13W, "r13w" },
829
  2,  // { X86_REG_R14W, "r14w" },
830
  2,  // { X86_REG_R15W, "r15w" },
831
  16, // { X86_REG_BND0, "bnd0" },
832
  16, // { X86_REG_BND1, "bnd0" },
833
  16, // { X86_REG_BND2, "bnd0" },
834
  16, // { X86_REG_BND3, "bnd0" },
835
};
836
837
const char *X86_reg_name(csh handle, unsigned int reg)
838
1.70M
{
839
1.70M
#ifndef CAPSTONE_DIET
840
1.70M
  cs_struct *ud = (cs_struct *)handle;
841
842
1.70M
  if (reg >= ARR_SIZE(reg_name_maps))
843
0
    return NULL;
844
845
1.70M
  if (reg == X86_REG_EFLAGS) {
846
805k
    if (ud->mode & CS_MODE_32)
847
242k
      return "eflags";
848
562k
    if (ud->mode & CS_MODE_64)
849
279k
      return "rflags";
850
562k
  }
851
852
1.18M
  return reg_name_maps[reg].name;
853
#else
854
  return NULL;
855
#endif
856
1.70M
}
857
858
#ifndef CAPSTONE_DIET
859
static const char * const insn_name_maps[] = {
860
  NULL, // X86_INS_INVALID
861
#ifndef CAPSTONE_X86_REDUCE
862
#include "X86MappingInsnName.inc"
863
#else
864
#include "X86MappingInsnName_reduce.inc"
865
#endif
866
};
867
#endif
868
869
// NOTE: insn_name_maps[] is sorted in order
870
const char *X86_insn_name(csh handle, unsigned int id)
871
1.20M
{
872
1.20M
#ifndef CAPSTONE_DIET
873
1.20M
  if (id >= ARR_SIZE(insn_name_maps))
874
0
    return NULL;
875
876
1.20M
  return insn_name_maps[id];
877
#else
878
  return NULL;
879
#endif
880
1.20M
}
881
882
#ifndef CAPSTONE_DIET
883
static const name_map group_name_maps[] = {
884
  // generic groups
885
  { X86_GRP_INVALID, NULL },
886
  { X86_GRP_JUMP, "jump" },
887
  { X86_GRP_CALL, "call" },
888
  { X86_GRP_RET, "ret" },
889
  { X86_GRP_INT, "int" },
890
  { X86_GRP_IRET, "iret" },
891
  { X86_GRP_PRIVILEGE, "privilege" },
892
  { X86_GRP_BRANCH_RELATIVE, "branch_relative" },
893
894
  // architecture-specific groups
895
  { X86_GRP_VM, "vm" },
896
  { X86_GRP_3DNOW, "3dnow" },
897
  { X86_GRP_AES, "aes" },
898
  { X86_GRP_ADX, "adx" },
899
  { X86_GRP_AVX, "avx" },
900
  { X86_GRP_AVX2, "avx2" },
901
  { X86_GRP_AVX512, "avx512" },
902
  { X86_GRP_BMI, "bmi" },
903
  { X86_GRP_BMI2, "bmi2" },
904
  { X86_GRP_CMOV, "cmov" },
905
  { X86_GRP_F16C, "fc16" },
906
  { X86_GRP_FMA, "fma" },
907
  { X86_GRP_FMA4, "fma4" },
908
  { X86_GRP_FSGSBASE, "fsgsbase" },
909
  { X86_GRP_HLE, "hle" },
910
  { X86_GRP_MMX, "mmx" },
911
  { X86_GRP_MODE32, "mode32" },
912
  { X86_GRP_MODE64, "mode64" },
913
  { X86_GRP_RTM, "rtm" },
914
  { X86_GRP_SHA, "sha" },
915
  { X86_GRP_SSE1, "sse1" },
916
  { X86_GRP_SSE2, "sse2" },
917
  { X86_GRP_SSE3, "sse3" },
918
  { X86_GRP_SSE41, "sse41" },
919
  { X86_GRP_SSE42, "sse42" },
920
  { X86_GRP_SSE4A, "sse4a" },
921
  { X86_GRP_SSSE3, "ssse3" },
922
  { X86_GRP_PCLMUL, "pclmul" },
923
  { X86_GRP_XOP, "xop" },
924
  { X86_GRP_CDI, "cdi" },
925
  { X86_GRP_ERI, "eri" },
926
  { X86_GRP_TBM, "tbm" },
927
  { X86_GRP_16BITMODE, "16bitmode" },
928
  { X86_GRP_NOT64BITMODE, "not64bitmode" },
929
  { X86_GRP_SGX,  "sgx" },
930
  { X86_GRP_DQI,  "dqi" },
931
  { X86_GRP_BWI,  "bwi" },
932
  { X86_GRP_PFI,  "pfi" },
933
  { X86_GRP_VLX,  "vlx" },
934
  { X86_GRP_SMAP, "smap" },
935
  { X86_GRP_NOVLX, "novlx" },
936
  { X86_GRP_FPU, "fpu" },
937
};
938
#endif
939
940
const char *X86_group_name(csh handle, unsigned int id)
941
545k
{
942
545k
#ifndef CAPSTONE_DIET
943
545k
  return id2name(group_name_maps, ARR_SIZE(group_name_maps), id);
944
#else
945
  return NULL;
946
#endif
947
545k
}
948
949
#define GET_INSTRINFO_ENUM
950
#ifdef CAPSTONE_X86_REDUCE
951
#include "X86GenInstrInfo_reduce.inc"
952
953
const insn_map_x86 insns[] = {  // reduce x86 instructions
954
#include "X86MappingInsn_reduce.inc"
955
};
956
#else
957
#include "X86GenInstrInfo.inc"
958
959
const insn_map_x86 insns[] = {  // full x86 instructions
960
#include "X86MappingInsn.inc"
961
};
962
#endif
963
964
#ifndef CAPSTONE_DIET
965
// in arr, replace r1 = r2
966
static void arr_replace(uint16_t *arr, uint8_t max, x86_reg r1, x86_reg r2)
967
192k
{
968
192k
  uint8_t i;
969
970
290k
  for(i = 0; i < max; i++) {
971
282k
    if (arr[i] == r1) {
972
184k
      arr[i] = r2;
973
184k
      break;
974
184k
    }
975
282k
  }
976
192k
}
977
#endif
978
979
// look for @id in @insns
980
// return -1 if not found
981
unsigned int find_insn(unsigned int id)
982
4.18M
{
983
  // binary searching since the IDs are sorted in order
984
4.18M
  unsigned int left, right, m;
985
4.18M
  unsigned int max = ARR_SIZE(insns);
986
987
4.18M
  right = max - 1;
988
989
4.18M
  if (id < insns[0].id || id > insns[right].id)
990
    // not found
991
76
    return -1;
992
993
4.18M
  left = 0;
994
995
54.7M
  while(left <= right) {
996
54.7M
    m = (left + right) / 2;
997
54.7M
    if (id == insns[m].id) {
998
4.18M
      return m;
999
4.18M
    }
1000
1001
50.5M
    if (id < insns[m].id)
1002
30.3M
      right = m - 1;
1003
20.2M
    else
1004
20.2M
      left = m + 1;
1005
50.5M
  }
1006
1007
  // not found
1008
  // printf("NOT FOUNDDDDDDDDDDDDDDD id = %u\n", id);
1009
0
  return -1;
1010
4.18M
}
1011
1012
// given internal insn id, return public instruction info
1013
void X86_get_insn_id(cs_struct *h, cs_insn *insn, unsigned int id)
1014
656k
{
1015
656k
  unsigned int i = find_insn(id);
1016
656k
  if (i != -1) {
1017
656k
    insn->id = insns[i].mapid;
1018
1019
656k
    if (h->detail) {
1020
656k
#ifndef CAPSTONE_DIET
1021
656k
      memcpy(insn->detail->regs_read, insns[i].regs_use, sizeof(insns[i].regs_use));
1022
656k
      insn->detail->regs_read_count = (uint8_t)count_positive(insns[i].regs_use);
1023
1024
      // special cases when regs_write[] depends on arch
1025
656k
      switch(id) {
1026
655k
        default:
1027
655k
          memcpy(insn->detail->regs_write, insns[i].regs_mod, sizeof(insns[i].regs_mod));
1028
655k
          insn->detail->regs_write_count = (uint8_t)count_positive(insns[i].regs_mod);
1029
655k
          break;
1030
552
        case X86_RDTSC:
1031
552
          if (h->mode == CS_MODE_64) {
1032
344
            memcpy(insn->detail->regs_write, insns[i].regs_mod, sizeof(insns[i].regs_mod));
1033
344
            insn->detail->regs_write_count = (uint8_t)count_positive(insns[i].regs_mod);
1034
344
          } else {
1035
208
            insn->detail->regs_write[0] = X86_REG_EAX;
1036
208
            insn->detail->regs_write[1] = X86_REG_EDX;
1037
208
            insn->detail->regs_write_count = 2;
1038
208
          }
1039
552
          break;
1040
86
        case X86_RDTSCP:
1041
86
          if (h->mode == CS_MODE_64) {
1042
13
            memcpy(insn->detail->regs_write, insns[i].regs_mod, sizeof(insns[i].regs_mod));
1043
13
            insn->detail->regs_write_count = (uint8_t)count_positive(insns[i].regs_mod);
1044
73
          } else {
1045
73
            insn->detail->regs_write[0] = X86_REG_EAX;
1046
73
            insn->detail->regs_write[1] = X86_REG_ECX;
1047
73
            insn->detail->regs_write[2] = X86_REG_EDX;
1048
73
            insn->detail->regs_write_count = 3;
1049
73
          }
1050
86
          break;
1051
656k
      }
1052
1053
656k
      switch(insn->id) {
1054
595k
        default:
1055
595k
          break;
1056
1057
595k
        case X86_INS_LOOP:
1058
3.59k
        case X86_INS_LOOPE:
1059
4.77k
        case X86_INS_LOOPNE:
1060
4.77k
          switch(h->mode) {
1061
0
            default: break;
1062
1.73k
            case CS_MODE_16:
1063
1.73k
                 insn->detail->regs_read[0] = X86_REG_CX;
1064
1.73k
                 insn->detail->regs_read_count = 1;
1065
1.73k
                 insn->detail->regs_write[0] = X86_REG_CX;
1066
1.73k
                 insn->detail->regs_write_count = 1;
1067
1.73k
                 break;
1068
1.15k
            case CS_MODE_32:
1069
1.15k
                 insn->detail->regs_read[0] = X86_REG_ECX;
1070
1.15k
                 insn->detail->regs_read_count = 1;
1071
1.15k
                 insn->detail->regs_write[0] = X86_REG_ECX;
1072
1.15k
                 insn->detail->regs_write_count = 1;
1073
1.15k
                 break;
1074
1.88k
            case CS_MODE_64:
1075
1.88k
                 insn->detail->regs_read[0] = X86_REG_RCX;
1076
1.88k
                 insn->detail->regs_read_count = 1;
1077
1.88k
                 insn->detail->regs_write[0] = X86_REG_RCX;
1078
1.88k
                 insn->detail->regs_write_count = 1;
1079
1.88k
                 break;
1080
4.77k
          }
1081
1082
          // LOOPE & LOOPNE also read EFLAGS
1083
4.77k
          if (insn->id != X86_INS_LOOP) {
1084
2.55k
            insn->detail->regs_read[1] = X86_REG_EFLAGS;
1085
2.55k
            insn->detail->regs_read_count = 2;
1086
2.55k
          }
1087
1088
4.77k
          break;
1089
1090
1.76k
        case X86_INS_LODSB:
1091
6.01k
        case X86_INS_LODSD:
1092
6.69k
        case X86_INS_LODSQ:
1093
10.0k
        case X86_INS_LODSW:
1094
10.0k
          switch(h->mode) {
1095
2.04k
            default:
1096
2.04k
              break;
1097
4.10k
            case CS_MODE_16:
1098
4.10k
              arr_replace(insn->detail->regs_read, insn->detail->regs_read_count, X86_REG_ESI, X86_REG_SI);
1099
4.10k
              arr_replace(insn->detail->regs_write, insn->detail->regs_write_count, X86_REG_ESI, X86_REG_SI);
1100
4.10k
              break;
1101
3.94k
            case CS_MODE_64:
1102
3.94k
              arr_replace(insn->detail->regs_read, insn->detail->regs_read_count, X86_REG_ESI, X86_REG_RSI);
1103
3.94k
              arr_replace(insn->detail->regs_write, insn->detail->regs_write_count, X86_REG_ESI, X86_REG_RSI);
1104
3.94k
              break;
1105
10.0k
          }
1106
10.0k
          break;
1107
1108
10.0k
        case X86_INS_SCASB:
1109
8.95k
        case X86_INS_SCASW:
1110
9.47k
        case X86_INS_SCASQ:
1111
12.2k
        case X86_INS_STOSB:
1112
14.1k
        case X86_INS_STOSD:
1113
14.8k
        case X86_INS_STOSQ:
1114
17.2k
        case X86_INS_STOSW:
1115
17.2k
          switch(h->mode) {
1116
2.99k
            default:
1117
2.99k
              break;
1118
9.47k
            case CS_MODE_16:
1119
9.47k
              arr_replace(insn->detail->regs_read, insn->detail->regs_read_count, X86_REG_EDI, X86_REG_DI);
1120
9.47k
              arr_replace(insn->detail->regs_write, insn->detail->regs_write_count, X86_REG_EDI, X86_REG_DI);
1121
9.47k
              break;
1122
4.78k
            case CS_MODE_64:
1123
4.78k
              arr_replace(insn->detail->regs_read, insn->detail->regs_read_count, X86_REG_EDI, X86_REG_RDI);
1124
4.78k
              arr_replace(insn->detail->regs_write, insn->detail->regs_write_count, X86_REG_EDI, X86_REG_RDI);
1125
4.78k
              break;
1126
17.2k
          }
1127
17.2k
          break;
1128
1129
17.2k
        case X86_INS_CMPSB:
1130
6.94k
        case X86_INS_CMPSD:
1131
8.13k
        case X86_INS_CMPSQ:
1132
9.80k
        case X86_INS_CMPSW:
1133
12.8k
        case X86_INS_MOVSB:
1134
15.1k
        case X86_INS_MOVSW:
1135
17.8k
        case X86_INS_MOVSD:
1136
18.7k
        case X86_INS_MOVSQ:
1137
18.7k
          switch(h->mode) {
1138
3.42k
            default:
1139
3.42k
              break;
1140
6.07k
            case CS_MODE_16:
1141
6.07k
              arr_replace(insn->detail->regs_read, insn->detail->regs_read_count, X86_REG_EDI, X86_REG_DI);
1142
6.07k
              arr_replace(insn->detail->regs_write, insn->detail->regs_write_count, X86_REG_EDI, X86_REG_DI);
1143
6.07k
              arr_replace(insn->detail->regs_read, insn->detail->regs_read_count, X86_REG_ESI, X86_REG_SI);
1144
6.07k
              arr_replace(insn->detail->regs_write, insn->detail->regs_write_count, X86_REG_ESI, X86_REG_SI);
1145
6.07k
              break;
1146
9.30k
            case CS_MODE_64:
1147
9.30k
              arr_replace(insn->detail->regs_read, insn->detail->regs_read_count, X86_REG_EDI, X86_REG_RDI);
1148
9.30k
              arr_replace(insn->detail->regs_write, insn->detail->regs_write_count, X86_REG_EDI, X86_REG_RDI);
1149
9.30k
              arr_replace(insn->detail->regs_read, insn->detail->regs_read_count, X86_REG_ESI, X86_REG_RSI);
1150
9.30k
              arr_replace(insn->detail->regs_write, insn->detail->regs_write_count, X86_REG_ESI, X86_REG_RSI);
1151
9.30k
              break;
1152
18.7k
          }
1153
18.7k
          break;
1154
1155
18.7k
        case X86_INS_RET:
1156
10.2k
          switch(h->mode) {
1157
3.44k
            case CS_MODE_16:
1158
3.44k
              insn->detail->regs_write[0] = X86_REG_SP;
1159
3.44k
              insn->detail->regs_read[0] = X86_REG_SP;
1160
3.44k
              break;
1161
3.43k
            case CS_MODE_32:
1162
3.43k
              insn->detail->regs_write[0] = X86_REG_ESP;
1163
3.43k
              insn->detail->regs_read[0] = X86_REG_ESP;
1164
3.43k
              break;
1165
3.34k
            default:  // 64-bit
1166
3.34k
              insn->detail->regs_write[0] = X86_REG_RSP;
1167
3.34k
              insn->detail->regs_read[0] = X86_REG_RSP;
1168
3.34k
              break;
1169
10.2k
          }
1170
10.2k
          insn->detail->regs_write_count = 1;
1171
10.2k
          insn->detail->regs_read_count = 1;
1172
10.2k
          break;
1173
656k
      }
1174
1175
656k
      memcpy(insn->detail->groups, insns[i].groups, sizeof(insns[i].groups));
1176
656k
      insn->detail->groups_count = (uint8_t)count_positive8(insns[i].groups);
1177
1178
656k
      if (insns[i].branch || insns[i].indirect_branch) {
1179
        // this insn also belongs to JUMP group. add JUMP group
1180
41.3k
        insn->detail->groups[insn->detail->groups_count] = X86_GRP_JUMP;
1181
41.3k
        insn->detail->groups_count++;
1182
41.3k
      }
1183
1184
656k
      switch (insns[i].id) {
1185
1.45k
        case X86_OUT8ir:
1186
1.98k
        case X86_OUT16ir:
1187
3.43k
        case X86_OUT32ir:
1188
3.43k
          if (insn->detail->x86.operands[0].imm == -78) {
1189
            // Writing to port 0xb2 causes an SMI on most platforms
1190
            // See: http://cs.gmu.edu/~tr-admin/papers/GMU-CS-TR-2011-8.pdf
1191
0
            insn->detail->groups[insn->detail->groups_count] = X86_GRP_INT;
1192
0
            insn->detail->groups_count++;
1193
0
          }
1194
3.43k
          break;
1195
1196
652k
        default:
1197
652k
          break;
1198
656k
      }
1199
656k
#endif
1200
656k
    }
1201
656k
  }
1202
656k
}
1203
1204
// map special instructions with accumulate registers.
1205
// this is needed because LLVM embeds these register names into AsmStrs[],
1206
// but not separately in operands
1207
struct insn_reg {
1208
  uint16_t insn;
1209
  x86_reg reg;
1210
  enum cs_ac_type access;
1211
};
1212
1213
struct insn_reg2 {
1214
  uint16_t insn;
1215
  x86_reg reg1, reg2;
1216
  enum cs_ac_type access1, access2;
1217
};
1218
1219
static const struct insn_reg insn_regs_att[] = {
1220
  { X86_INSB, X86_REG_DX, CS_AC_READ },
1221
  { X86_INSL, X86_REG_DX, CS_AC_READ },
1222
  { X86_INSW, X86_REG_DX, CS_AC_READ },
1223
  { X86_MOV16o16a, X86_REG_AX, CS_AC_READ },
1224
  { X86_MOV16o32a, X86_REG_AX, CS_AC_READ },
1225
  { X86_MOV16o64a, X86_REG_AX, CS_AC_READ },
1226
  { X86_MOV32o16a, X86_REG_EAX, CS_AC_READ },
1227
  { X86_MOV32o32a, X86_REG_EAX, CS_AC_READ },
1228
  { X86_MOV32o64a, X86_REG_EAX, CS_AC_READ },
1229
  { X86_MOV64o32a, X86_REG_RAX, CS_AC_READ },
1230
  { X86_MOV64o64a, X86_REG_RAX, CS_AC_READ },
1231
  { X86_MOV8o16a, X86_REG_AL, CS_AC_READ },
1232
  { X86_MOV8o32a, X86_REG_AL, CS_AC_READ },
1233
  { X86_MOV8o64a, X86_REG_AL, CS_AC_READ },
1234
  { X86_OUT16ir, X86_REG_AX, CS_AC_READ },
1235
  { X86_OUT32ir, X86_REG_EAX, CS_AC_READ },
1236
  { X86_OUT8ir, X86_REG_AL, CS_AC_READ },
1237
  { X86_POPDS16, X86_REG_DS, CS_AC_WRITE },
1238
  { X86_POPDS32, X86_REG_DS, CS_AC_WRITE },
1239
  { X86_POPES16, X86_REG_ES, CS_AC_WRITE },
1240
  { X86_POPES32, X86_REG_ES, CS_AC_WRITE },
1241
  { X86_POPFS16, X86_REG_FS, CS_AC_WRITE },
1242
  { X86_POPFS32, X86_REG_FS, CS_AC_WRITE },
1243
  { X86_POPFS64, X86_REG_FS, CS_AC_WRITE },
1244
  { X86_POPGS16, X86_REG_GS, CS_AC_WRITE },
1245
  { X86_POPGS32, X86_REG_GS, CS_AC_WRITE },
1246
  { X86_POPGS64, X86_REG_GS, CS_AC_WRITE },
1247
  { X86_POPSS16, X86_REG_SS, CS_AC_WRITE },
1248
  { X86_POPSS32, X86_REG_SS, CS_AC_WRITE },
1249
  { X86_PUSHCS16, X86_REG_CS, CS_AC_READ },
1250
  { X86_PUSHCS32, X86_REG_CS, CS_AC_READ },
1251
  { X86_PUSHDS16, X86_REG_DS, CS_AC_READ },
1252
  { X86_PUSHDS32, X86_REG_DS, CS_AC_READ },
1253
  { X86_PUSHES16, X86_REG_ES, CS_AC_READ },
1254
  { X86_PUSHES32, X86_REG_ES, CS_AC_READ },
1255
  { X86_PUSHFS16, X86_REG_FS, CS_AC_READ },
1256
  { X86_PUSHFS32, X86_REG_FS, CS_AC_READ },
1257
  { X86_PUSHFS64, X86_REG_FS, CS_AC_READ },
1258
  { X86_PUSHGS16, X86_REG_GS, CS_AC_READ },
1259
  { X86_PUSHGS32, X86_REG_GS, CS_AC_READ },
1260
  { X86_PUSHGS64, X86_REG_GS, CS_AC_READ },
1261
  { X86_PUSHSS16, X86_REG_SS, CS_AC_READ },
1262
  { X86_PUSHSS32, X86_REG_SS, CS_AC_READ },
1263
  { X86_RCL16rCL, X86_REG_CL, CS_AC_READ },
1264
  { X86_RCL32rCL, X86_REG_CL, CS_AC_READ },
1265
  { X86_RCL64rCL, X86_REG_CL, CS_AC_READ },
1266
  { X86_RCL8rCL, X86_REG_CL, CS_AC_READ },
1267
  { X86_RCR16rCL, X86_REG_CL, CS_AC_READ },
1268
  { X86_RCR32rCL, X86_REG_CL, CS_AC_READ },
1269
  { X86_RCR64rCL, X86_REG_CL, CS_AC_READ },
1270
  { X86_RCR8rCL, X86_REG_CL, CS_AC_READ },
1271
  { X86_ROL16rCL, X86_REG_CL, CS_AC_READ },
1272
  { X86_ROL32rCL, X86_REG_CL, CS_AC_READ },
1273
  { X86_ROL64rCL, X86_REG_CL, CS_AC_READ },
1274
  { X86_ROL8rCL, X86_REG_CL, CS_AC_READ },
1275
  { X86_ROR16rCL, X86_REG_CL, CS_AC_READ },
1276
  { X86_ROR32rCL, X86_REG_CL, CS_AC_READ },
1277
  { X86_ROR64rCL, X86_REG_CL, CS_AC_READ },
1278
  { X86_ROR8rCL, X86_REG_CL, CS_AC_READ },
1279
  { X86_SAL16rCL, X86_REG_CL, CS_AC_READ },
1280
  { X86_SAL32rCL, X86_REG_CL, CS_AC_READ },
1281
  { X86_SAL64rCL, X86_REG_CL, CS_AC_READ },
1282
  { X86_SAL8rCL, X86_REG_CL, CS_AC_READ },
1283
  { X86_SAR16rCL, X86_REG_CL, CS_AC_READ },
1284
  { X86_SAR32rCL, X86_REG_CL, CS_AC_READ },
1285
  { X86_SAR64rCL, X86_REG_CL, CS_AC_READ },
1286
  { X86_SAR8rCL, X86_REG_CL, CS_AC_READ },
1287
  { X86_SHL16rCL, X86_REG_CL, CS_AC_READ },
1288
  { X86_SHL32rCL, X86_REG_CL, CS_AC_READ },
1289
  { X86_SHL64rCL, X86_REG_CL, CS_AC_READ },
1290
  { X86_SHL8rCL, X86_REG_CL, CS_AC_READ },
1291
  { X86_SHLD16mrCL, X86_REG_CL, CS_AC_READ },
1292
  { X86_SHLD16rrCL, X86_REG_CL, CS_AC_READ },
1293
  { X86_SHLD32mrCL, X86_REG_CL, CS_AC_READ },
1294
  { X86_SHLD32rrCL, X86_REG_CL, CS_AC_READ },
1295
  { X86_SHLD64mrCL, X86_REG_CL, CS_AC_READ },
1296
  { X86_SHLD64rrCL, X86_REG_CL, CS_AC_READ },
1297
  { X86_SHR16rCL, X86_REG_CL, CS_AC_READ },
1298
  { X86_SHR32rCL, X86_REG_CL, CS_AC_READ },
1299
  { X86_SHR64rCL, X86_REG_CL, CS_AC_READ },
1300
  { X86_SHR8rCL, X86_REG_CL, CS_AC_READ },
1301
  { X86_SHRD16mrCL, X86_REG_CL, CS_AC_READ },
1302
  { X86_SHRD16rrCL, X86_REG_CL, CS_AC_READ },
1303
  { X86_SHRD32mrCL, X86_REG_CL, CS_AC_READ },
1304
  { X86_SHRD32rrCL, X86_REG_CL, CS_AC_READ },
1305
  { X86_SHRD64mrCL, X86_REG_CL, CS_AC_READ },
1306
  { X86_SHRD64rrCL, X86_REG_CL, CS_AC_READ },
1307
  { X86_XCHG16ar, X86_REG_AX, CS_AC_WRITE | CS_AC_READ },
1308
  { X86_XCHG32ar, X86_REG_EAX, CS_AC_WRITE | CS_AC_READ },
1309
  { X86_XCHG64ar, X86_REG_RAX, CS_AC_WRITE | CS_AC_READ },
1310
};
1311
1312
static const struct insn_reg insn_regs_att_extra[] = {
1313
  // dummy entry, to avoid empty array
1314
  { 0, 0 },
1315
#ifndef CAPSTONE_X86_REDUCE
1316
  { X86_ADD_FrST0, X86_REG_ST0, CS_AC_READ },
1317
  { X86_DIVR_FrST0, X86_REG_ST0, CS_AC_READ },
1318
  { X86_DIV_FrST0, X86_REG_ST0, CS_AC_READ },
1319
  { X86_FNSTSW16r, X86_REG_AX, CS_AC_READ },
1320
  { X86_MUL_FrST0, X86_REG_ST0, CS_AC_READ },
1321
  { X86_SKINIT, X86_REG_EAX, CS_AC_READ },
1322
  { X86_SUBR_FrST0, X86_REG_ST0, CS_AC_READ },
1323
  { X86_SUB_FrST0, X86_REG_ST0, CS_AC_READ },
1324
  { X86_VMLOAD32, X86_REG_EAX, CS_AC_READ },
1325
  { X86_VMLOAD64, X86_REG_RAX, CS_AC_READ },
1326
  { X86_VMRUN32, X86_REG_EAX, CS_AC_READ },
1327
  { X86_VMRUN64, X86_REG_RAX, CS_AC_READ },
1328
  { X86_VMSAVE32, X86_REG_EAX, CS_AC_READ },
1329
  { X86_VMSAVE64, X86_REG_RAX, CS_AC_READ },
1330
#endif
1331
};
1332
1333
static const struct insn_reg insn_regs_intel[] = {
1334
  { X86_ADC16i16, X86_REG_AX, CS_AC_WRITE | CS_AC_READ },
1335
  { X86_ADC32i32, X86_REG_EAX, CS_AC_WRITE | CS_AC_READ },
1336
  { X86_ADC64i32, X86_REG_RAX, CS_AC_WRITE | CS_AC_READ },
1337
  { X86_ADC8i8, X86_REG_AL, CS_AC_WRITE | CS_AC_READ },
1338
  { X86_ADD16i16, X86_REG_AX, CS_AC_WRITE | CS_AC_READ },
1339
  { X86_ADD32i32, X86_REG_EAX, CS_AC_WRITE | CS_AC_READ },
1340
  { X86_ADD64i32, X86_REG_RAX, CS_AC_WRITE | CS_AC_READ },
1341
  { X86_ADD8i8, X86_REG_AL, CS_AC_WRITE | CS_AC_READ },
1342
  { X86_AND16i16, X86_REG_AX, CS_AC_WRITE | CS_AC_READ },
1343
  { X86_AND32i32, X86_REG_EAX, CS_AC_WRITE | CS_AC_READ },
1344
  { X86_AND64i32, X86_REG_RAX, CS_AC_WRITE | CS_AC_READ },
1345
  { X86_AND8i8, X86_REG_AL, CS_AC_WRITE | CS_AC_READ },
1346
  { X86_CMP16i16, X86_REG_AX, CS_AC_WRITE | CS_AC_READ },
1347
  { X86_CMP32i32, X86_REG_EAX, CS_AC_WRITE | CS_AC_READ },
1348
  { X86_CMP64i32, X86_REG_RAX, CS_AC_WRITE | CS_AC_READ },
1349
  { X86_CMP8i8, X86_REG_AL, CS_AC_WRITE | CS_AC_READ },
1350
  { X86_IN16ri, X86_REG_AX, CS_AC_WRITE },
1351
  { X86_IN32ri, X86_REG_EAX, CS_AC_WRITE },
1352
  { X86_IN8ri, X86_REG_AL, CS_AC_WRITE },
1353
  { X86_LODSB, X86_REG_AL, CS_AC_WRITE },
1354
  { X86_LODSL, X86_REG_EAX, CS_AC_WRITE },
1355
  { X86_LODSQ, X86_REG_RAX, CS_AC_WRITE },
1356
  { X86_LODSW, X86_REG_AX, CS_AC_WRITE },
1357
  { X86_MOV16ao16, X86_REG_AX, CS_AC_WRITE },    // 16-bit A1 1020                  // mov     ax, word ptr [0x2010]
1358
  { X86_MOV16ao32, X86_REG_AX, CS_AC_WRITE },    // 32-bit A1 10203040              // mov     ax, word ptr [0x40302010]
1359
  { X86_MOV16ao64, X86_REG_AX, CS_AC_WRITE },    // 64-bit 66 A1 1020304050607080   // movabs  ax, word ptr [0x8070605040302010]
1360
  { X86_MOV32ao16, X86_REG_EAX, CS_AC_WRITE },   // 32-bit 67 A1 1020               // mov     eax, dword ptr [0x2010]
1361
  { X86_MOV32ao32, X86_REG_EAX, CS_AC_WRITE },   // 32-bit A1 10203040              // mov     eax, dword ptr [0x40302010]
1362
  { X86_MOV32ao64, X86_REG_EAX, CS_AC_WRITE },   // 64-bit A1 1020304050607080      // movabs  eax, dword ptr [0x8070605040302010]
1363
  { X86_MOV64ao32, X86_REG_RAX, CS_AC_WRITE },   // 64-bit 48 8B04 10203040         // mov     rax, qword ptr [0x40302010]
1364
  { X86_MOV64ao64, X86_REG_RAX, CS_AC_WRITE },   // 64-bit 48 A1 1020304050607080   // movabs  rax, qword ptr [0x8070605040302010]
1365
  { X86_MOV8ao16, X86_REG_AL, CS_AC_WRITE },     // 16-bit A0 1020                  // mov     al, byte ptr [0x2010]
1366
  { X86_MOV8ao32, X86_REG_AL, CS_AC_WRITE },     // 32-bit A0 10203040              // mov     al, byte ptr [0x40302010]
1367
  { X86_MOV8ao64, X86_REG_AL, CS_AC_WRITE },     // 64-bit 66 A0 1020304050607080   // movabs  al, byte ptr [0x8070605040302010]
1368
  { X86_OR16i16, X86_REG_AX, CS_AC_WRITE | CS_AC_READ },
1369
  { X86_OR32i32, X86_REG_EAX, CS_AC_WRITE | CS_AC_READ },
1370
  { X86_OR64i32, X86_REG_RAX, CS_AC_WRITE | CS_AC_READ },
1371
  { X86_OR8i8, X86_REG_AL, CS_AC_WRITE | CS_AC_READ },
1372
  { X86_OUTSB, X86_REG_DX, CS_AC_WRITE },
1373
  { X86_OUTSL, X86_REG_DX, CS_AC_WRITE },
1374
  { X86_OUTSW, X86_REG_DX, CS_AC_WRITE },
1375
  { X86_POPDS16, X86_REG_DS, CS_AC_WRITE },
1376
  { X86_POPDS32, X86_REG_DS, CS_AC_WRITE },
1377
  { X86_POPES16, X86_REG_ES, CS_AC_WRITE },
1378
  { X86_POPES32, X86_REG_ES, CS_AC_WRITE },
1379
  { X86_POPFS16, X86_REG_FS, CS_AC_WRITE },
1380
  { X86_POPFS32, X86_REG_FS, CS_AC_WRITE },
1381
  { X86_POPFS64, X86_REG_FS, CS_AC_WRITE },
1382
  { X86_POPGS16, X86_REG_GS, CS_AC_WRITE },
1383
  { X86_POPGS32, X86_REG_GS, CS_AC_WRITE },
1384
  { X86_POPGS64, X86_REG_GS, CS_AC_WRITE },
1385
  { X86_POPSS16, X86_REG_SS, CS_AC_WRITE },
1386
  { X86_POPSS32, X86_REG_SS, CS_AC_WRITE },
1387
  { X86_PUSHCS16, X86_REG_CS, CS_AC_READ },
1388
  { X86_PUSHCS32, X86_REG_CS, CS_AC_READ },
1389
  { X86_PUSHDS16, X86_REG_DS, CS_AC_READ },
1390
  { X86_PUSHDS32, X86_REG_DS, CS_AC_READ },
1391
  { X86_PUSHES16, X86_REG_ES, CS_AC_READ },
1392
  { X86_PUSHES32, X86_REG_ES, CS_AC_READ },
1393
  { X86_PUSHFS16, X86_REG_FS, CS_AC_READ },
1394
  { X86_PUSHFS32, X86_REG_FS, CS_AC_READ },
1395
  { X86_PUSHFS64, X86_REG_FS, CS_AC_READ },
1396
  { X86_PUSHGS16, X86_REG_GS, CS_AC_READ },
1397
  { X86_PUSHGS32, X86_REG_GS, CS_AC_READ },
1398
  { X86_PUSHGS64, X86_REG_GS, CS_AC_READ },
1399
  { X86_PUSHSS16, X86_REG_SS, CS_AC_READ },
1400
  { X86_PUSHSS32, X86_REG_SS, CS_AC_READ },
1401
  { X86_SBB16i16, X86_REG_AX, CS_AC_WRITE | CS_AC_READ },
1402
  { X86_SBB32i32, X86_REG_EAX, CS_AC_WRITE | CS_AC_READ },
1403
  { X86_SBB64i32, X86_REG_RAX, CS_AC_WRITE | CS_AC_READ },
1404
  { X86_SBB8i8, X86_REG_AL, CS_AC_WRITE | CS_AC_READ },
1405
  { X86_SCASB, X86_REG_AL, CS_AC_WRITE | CS_AC_READ },
1406
  { X86_SCASL, X86_REG_EAX, CS_AC_WRITE | CS_AC_READ },
1407
  { X86_SCASQ, X86_REG_RAX, CS_AC_WRITE | CS_AC_READ },
1408
  { X86_SCASW, X86_REG_AX, CS_AC_WRITE | CS_AC_READ },
1409
  { X86_SUB16i16, X86_REG_AX, CS_AC_WRITE | CS_AC_READ },
1410
  { X86_SUB32i32, X86_REG_EAX, CS_AC_WRITE | CS_AC_READ },
1411
  { X86_SUB64i32, X86_REG_RAX, CS_AC_WRITE | CS_AC_READ },
1412
  { X86_SUB8i8, X86_REG_AL, CS_AC_WRITE | CS_AC_READ },
1413
  { X86_TEST16i16, X86_REG_AX, CS_AC_WRITE | CS_AC_READ },
1414
  { X86_TEST32i32, X86_REG_EAX, CS_AC_WRITE | CS_AC_READ },
1415
  { X86_TEST64i32, X86_REG_RAX, CS_AC_WRITE | CS_AC_READ },
1416
  { X86_TEST8i8, X86_REG_AL, CS_AC_WRITE | CS_AC_READ },
1417
  { X86_XOR16i16, X86_REG_AX, CS_AC_WRITE | CS_AC_READ },
1418
  { X86_XOR32i32, X86_REG_EAX, CS_AC_WRITE | CS_AC_READ },
1419
  { X86_XOR64i32, X86_REG_RAX, CS_AC_WRITE | CS_AC_READ },
1420
  { X86_XOR8i8, X86_REG_AL, CS_AC_WRITE | CS_AC_READ },
1421
};
1422
1423
static const struct insn_reg insn_regs_intel_extra[] = {
1424
  // dummy entry, to avoid empty array
1425
  { 0, 0, 0 },
1426
#ifndef CAPSTONE_X86_REDUCE
1427
  { X86_CMOVBE_F, X86_REG_ST0, CS_AC_WRITE },
1428
  { X86_CMOVB_F, X86_REG_ST0, CS_AC_WRITE },
1429
  { X86_CMOVE_F, X86_REG_ST0, CS_AC_WRITE },
1430
  { X86_CMOVNBE_F, X86_REG_ST0, CS_AC_WRITE },
1431
  { X86_CMOVNB_F, X86_REG_ST0, CS_AC_WRITE },
1432
  { X86_CMOVNE_F, X86_REG_ST0, CS_AC_WRITE },
1433
  { X86_CMOVNP_F, X86_REG_ST0, CS_AC_WRITE },
1434
  { X86_CMOVP_F, X86_REG_ST0, CS_AC_WRITE },
1435
  // { X86_COMP_FST0r, X86_REG_ST0, CS_AC_WRITE },
1436
  // { X86_COM_FST0r, X86_REG_ST0, CS_AC_WRITE },
1437
  { X86_FNSTSW16r, X86_REG_AX, CS_AC_WRITE },
1438
  { X86_SKINIT, X86_REG_EAX, CS_AC_WRITE },
1439
  { X86_VMLOAD32, X86_REG_EAX, CS_AC_WRITE },
1440
  { X86_VMLOAD64, X86_REG_RAX, CS_AC_WRITE },
1441
  { X86_VMRUN32, X86_REG_EAX, CS_AC_WRITE },
1442
  { X86_VMRUN64, X86_REG_RAX, CS_AC_WRITE },
1443
  { X86_VMSAVE32, X86_REG_EAX, CS_AC_READ },
1444
  { X86_VMSAVE64, X86_REG_RAX, CS_AC_READ },
1445
  { X86_XCH_F, X86_REG_ST0, CS_AC_WRITE },
1446
#endif
1447
};
1448
1449
static const struct insn_reg2 insn_regs_intel2[] = {
1450
  { X86_IN16rr, X86_REG_AX, X86_REG_DX, CS_AC_WRITE, CS_AC_READ },
1451
  { X86_IN32rr, X86_REG_EAX, X86_REG_DX, CS_AC_WRITE, CS_AC_READ },
1452
  { X86_IN8rr, X86_REG_AL, X86_REG_DX, CS_AC_WRITE, CS_AC_READ },
1453
  { X86_INVLPGA32, X86_REG_EAX, X86_REG_ECX, CS_AC_READ, CS_AC_READ },
1454
  { X86_INVLPGA64, X86_REG_RAX, X86_REG_ECX, CS_AC_READ, CS_AC_READ },
1455
  { X86_OUT16rr, X86_REG_DX, X86_REG_AX, CS_AC_READ, CS_AC_READ },
1456
  { X86_OUT32rr, X86_REG_DX, X86_REG_EAX, CS_AC_READ, CS_AC_READ },
1457
  { X86_OUT8rr, X86_REG_DX, X86_REG_AL, CS_AC_READ, CS_AC_READ },
1458
};
1459
1460
static int binary_search1(const struct insn_reg *insns, unsigned int max, unsigned int id)
1461
2.30M
{
1462
2.30M
  unsigned int first, last, mid;
1463
1464
2.30M
  first = 0;
1465
2.30M
  last = max -1;
1466
1467
2.30M
  if (insns[0].insn > id || insns[last].insn < id) {
1468
    // not found
1469
323k
    return -1;
1470
323k
  }
1471
1472
12.1M
  while (first <= last) {
1473
10.3M
    mid = (first + last) / 2;
1474
10.3M
    if (insns[mid].insn < id) {
1475
4.91M
      first = mid + 1;
1476
5.38M
    } else if (insns[mid].insn == id) {
1477
110k
      return mid;
1478
5.27M
    } else {
1479
5.27M
      if (mid == 0)
1480
0
        break;
1481
5.27M
      last = mid - 1;
1482
5.27M
    }
1483
10.3M
  }
1484
1485
  // not found
1486
1.87M
  return -1;
1487
1.98M
}
1488
1489
static int binary_search2(const struct insn_reg2 *insns, unsigned int max, unsigned int id)
1490
1.09M
{
1491
1.09M
  unsigned int first, last, mid;
1492
1493
1.09M
  first = 0;
1494
1.09M
  last = max -1;
1495
1496
1.09M
  if (insns[0].insn > id || insns[last].insn < id) {
1497
    // not found
1498
803k
    return -1;
1499
803k
  }
1500
1501
1.15M
  while (first <= last) {
1502
880k
    mid = (first + last) / 2;
1503
880k
    if (insns[mid].insn < id) {
1504
566k
      first = mid + 1;
1505
566k
    } else if (insns[mid].insn == id) {
1506
23.8k
      return mid;
1507
290k
    } else {
1508
290k
      if (mid == 0)
1509
0
        break;
1510
290k
      last = mid - 1;
1511
290k
    }
1512
880k
  }
1513
1514
  // not found
1515
271k
  return -1;
1516
295k
}
1517
1518
// return register of given instruction id
1519
// return 0 if not found
1520
// this is to handle instructions embedding accumulate registers into AsmStrs[]
1521
x86_reg X86_insn_reg_intel(unsigned int id, enum cs_ac_type *access)
1522
575k
{
1523
575k
  int i;
1524
1525
575k
  i = binary_search1(insn_regs_intel, ARR_SIZE(insn_regs_intel), id);
1526
575k
  if (i != -1) {
1527
69.1k
    if (access) {
1528
69.1k
      *access = insn_regs_intel[i].access;
1529
69.1k
    }
1530
69.1k
    return insn_regs_intel[i].reg;
1531
69.1k
  }
1532
1533
506k
  i = binary_search1(insn_regs_intel_extra, ARR_SIZE(insn_regs_intel_extra), id);
1534
506k
  if (i != -1) {
1535
784
    if (access) {
1536
784
      *access = insn_regs_intel_extra[i].access;
1537
784
    }
1538
784
    return insn_regs_intel_extra[i].reg;
1539
784
  }
1540
1541
  // not found
1542
505k
  return 0;
1543
506k
}
1544
1545
bool X86_insn_reg_intel2(unsigned int id, x86_reg *reg1, enum cs_ac_type *access1, x86_reg *reg2, enum cs_ac_type *access2)
1546
505k
{
1547
505k
  int i = binary_search2(insn_regs_intel2, ARR_SIZE(insn_regs_intel2), id);
1548
505k
  if (i != -1) {
1549
11.1k
    *reg1 = insn_regs_intel2[i].reg1;
1550
11.1k
    *reg2 = insn_regs_intel2[i].reg2;
1551
11.1k
    if (access1)
1552
11.1k
      *access1 = insn_regs_intel2[i].access1;
1553
11.1k
    if (access2)
1554
11.1k
      *access2 = insn_regs_intel2[i].access2;
1555
11.1k
    return true;
1556
11.1k
  }
1557
1558
  // not found
1559
494k
  return false;
1560
505k
}
1561
1562
x86_reg X86_insn_reg_att(unsigned int id, enum cs_ac_type *access)
1563
632k
{
1564
632k
  int i;
1565
1566
632k
  i = binary_search1(insn_regs_att, ARR_SIZE(insn_regs_att), id);
1567
632k
  if (i != -1) {
1568
39.6k
    if (access)
1569
39.6k
      *access = insn_regs_att[i].access;
1570
39.6k
    return insn_regs_att[i].reg;
1571
39.6k
  }
1572
1573
592k
  i = binary_search1(insn_regs_att_extra, ARR_SIZE(insn_regs_att_extra), id);
1574
592k
  if (i != -1) {
1575
440
    if (access)
1576
440
      *access = insn_regs_att_extra[i].access;
1577
440
    return insn_regs_att_extra[i].reg;
1578
440
  }
1579
1580
  // not found
1581
592k
  return 0;
1582
592k
}
1583
1584
// ATT just reuses Intel data, but with the order of registers reversed
1585
bool X86_insn_reg_att2(unsigned int id, x86_reg *reg1, enum cs_ac_type *access1, x86_reg *reg2, enum cs_ac_type *access2)
1586
592k
{
1587
592k
  int i = binary_search2(insn_regs_intel2, ARR_SIZE(insn_regs_intel2), id);
1588
592k
  if (i != -1) {
1589
12.7k
    *reg1 = insn_regs_intel2[i].reg2;
1590
12.7k
    *reg2 = insn_regs_intel2[i].reg1;
1591
12.7k
    if (access1)
1592
12.7k
      *access1 = insn_regs_intel2[i].access2;
1593
12.7k
    if (access2)
1594
12.7k
      *access2 = insn_regs_intel2[i].access1;
1595
12.7k
    return true;
1596
12.7k
  }
1597
1598
  // not found
1599
579k
  return false;
1600
592k
}
1601
1602
// given MCInst's id, find out if this insn is valid for REPNE prefix
1603
static bool valid_repne(cs_struct *h, unsigned int opcode)
1604
34.5k
{
1605
34.5k
  unsigned int id;
1606
34.5k
  unsigned int i = find_insn(opcode);
1607
34.5k
  if (i != -1) {
1608
34.5k
    id = insns[i].mapid;
1609
34.5k
    switch(id) {
1610
22.5k
      default:
1611
22.5k
        return false;
1612
1613
304
      case X86_INS_CMPSB:
1614
397
      case X86_INS_CMPSS:
1615
786
      case X86_INS_CMPSW:
1616
1.05k
      case X86_INS_CMPSQ:
1617
1618
1.44k
      case X86_INS_SCASB:
1619
1.94k
      case X86_INS_SCASW:
1620
2.25k
      case X86_INS_SCASQ:
1621
1622
2.67k
      case X86_INS_MOVSB:
1623
2.84k
      case X86_INS_MOVSS:
1624
3.36k
      case X86_INS_MOVSW:
1625
4.12k
      case X86_INS_MOVSQ:
1626
1627
4.65k
      case X86_INS_LODSB:
1628
5.13k
      case X86_INS_LODSW:
1629
5.66k
      case X86_INS_LODSD:
1630
5.85k
      case X86_INS_LODSQ:
1631
1632
6.15k
      case X86_INS_STOSB:
1633
6.30k
      case X86_INS_STOSW:
1634
6.59k
      case X86_INS_STOSD:
1635
7.10k
      case X86_INS_STOSQ:
1636
1637
7.62k
      case X86_INS_INSB:
1638
7.82k
      case X86_INS_INSW:
1639
8.54k
      case X86_INS_INSD:
1640
1641
8.94k
      case X86_INS_OUTSB:
1642
9.22k
      case X86_INS_OUTSW:
1643
9.55k
      case X86_INS_OUTSD:
1644
1645
9.55k
        return true;
1646
1647
993
      case X86_INS_MOVSD:
1648
993
        if (opcode == X86_MOVSW) // REP MOVSB
1649
0
          return true;
1650
993
        return false;
1651
1652
1.17k
      case X86_INS_CMPSD:
1653
1.17k
        if (opcode == X86_CMPSL) // REP CMPSD
1654
228
          return true;
1655
949
        return false;
1656
1657
286
      case X86_INS_SCASD:
1658
286
        if (opcode == X86_SCASL) // REP SCASD
1659
286
          return true;
1660
0
        return false;
1661
34.5k
    }
1662
34.5k
  }
1663
1664
  // not found
1665
0
  return false;
1666
34.5k
}
1667
1668
// given MCInst's id, find out if this insn is valid for BND prefix
1669
// BND prefix is valid for CALL/JMP/RET
1670
#ifndef CAPSTONE_DIET
1671
static bool valid_bnd(cs_struct *h, unsigned int opcode)
1672
24.5k
{
1673
24.5k
  unsigned int id;
1674
24.5k
  unsigned int i = find_insn(opcode);
1675
24.5k
  if (i != -1) {
1676
24.5k
    id = insns[i].mapid;
1677
24.5k
    switch(id) {
1678
15.4k
      default:
1679
15.4k
        return false;
1680
1681
187
      case X86_INS_JAE:
1682
634
      case X86_INS_JA:
1683
1.00k
      case X86_INS_JBE:
1684
1.35k
      case X86_INS_JB:
1685
1.74k
      case X86_INS_JCXZ:
1686
1.86k
      case X86_INS_JECXZ:
1687
2.19k
      case X86_INS_JE:
1688
2.91k
      case X86_INS_JGE:
1689
3.43k
      case X86_INS_JG:
1690
3.56k
      case X86_INS_JLE:
1691
3.84k
      case X86_INS_JL:
1692
4.20k
      case X86_INS_JMP:
1693
4.47k
      case X86_INS_JNE:
1694
4.91k
      case X86_INS_JNO:
1695
5.39k
      case X86_INS_JNP:
1696
5.51k
      case X86_INS_JNS:
1697
5.77k
      case X86_INS_JO:
1698
6.23k
      case X86_INS_JP:
1699
6.72k
      case X86_INS_JRCXZ:
1700
7.27k
      case X86_INS_JS:
1701
1702
7.69k
      case X86_INS_CALL:
1703
8.54k
      case X86_INS_RET:
1704
8.91k
      case X86_INS_RETF:
1705
9.04k
      case X86_INS_RETFQ:
1706
9.04k
        return true;
1707
24.5k
    }
1708
24.5k
  }
1709
1710
  // not found
1711
0
  return false;
1712
24.5k
}
1713
#endif
1714
1715
// return true if the opcode is XCHG [mem]
1716
static bool xchg_mem(unsigned int opcode)
1717
61.3k
{
1718
61.3k
  switch(opcode) {
1719
58.5k
    default:
1720
58.5k
      return false;
1721
903
    case X86_XCHG8rm:
1722
1.87k
    case X86_XCHG16rm:
1723
2.31k
    case X86_XCHG32rm:
1724
2.82k
    case X86_XCHG64rm:
1725
2.82k
         return true;
1726
61.3k
  }
1727
61.3k
}
1728
1729
// given MCInst's id, find out if this insn is valid for REP prefix
1730
static bool valid_rep(cs_struct *h, unsigned int opcode)
1731
25.1k
{
1732
25.1k
  unsigned int id;
1733
25.1k
  unsigned int i = find_insn(opcode);
1734
25.1k
  if (i != -1) {
1735
25.1k
    id = insns[i].mapid;
1736
25.1k
    switch(id) {
1737
18.9k
      default:
1738
18.9k
        return false;
1739
1740
735
      case X86_INS_MOVSB:
1741
1.25k
      case X86_INS_MOVSW:
1742
1.70k
      case X86_INS_MOVSQ:
1743
1744
1.84k
      case X86_INS_LODSB:
1745
2.12k
      case X86_INS_LODSW:
1746
2.27k
      case X86_INS_LODSQ:
1747
1748
2.53k
      case X86_INS_STOSB:
1749
2.79k
      case X86_INS_STOSW:
1750
2.90k
      case X86_INS_STOSQ:
1751
1752
3.34k
      case X86_INS_INSB:
1753
3.67k
      case X86_INS_INSW:
1754
4.05k
      case X86_INS_INSD:
1755
1756
4.36k
      case X86_INS_OUTSB:
1757
4.88k
      case X86_INS_OUTSW:
1758
5.07k
      case X86_INS_OUTSD:
1759
5.07k
        return true;
1760
1761
      // following are some confused instructions, which have the same
1762
      // mnemonics in 128bit media instructions. Intel is horribly crazy!
1763
443
      case X86_INS_MOVSD:
1764
443
        if (opcode == X86_MOVSL) // REP MOVSD
1765
278
          return true;
1766
165
        return false;
1767
1768
457
      case X86_INS_LODSD:
1769
457
        if (opcode == X86_LODSL) // REP LODSD
1770
457
          return true;
1771
0
        return false;
1772
1773
251
      case X86_INS_STOSD:
1774
251
        if (opcode == X86_STOSL) // REP STOSD
1775
251
          return true;
1776
0
        return false;
1777
25.1k
    }
1778
25.1k
  }
1779
1780
  // not found
1781
0
  return false;
1782
25.1k
}
1783
1784
// given MCInst's id, find if this is a "repz ret" instruction
1785
// gcc generates "repz ret" (f3 c3) instructions in some cases as an
1786
// optimization for AMD platforms, see:
1787
// https://gcc.gnu.org/legacy-ml/gcc-patches/2003-05/msg02117.html
1788
static bool valid_ret_repz(cs_struct *h, unsigned int opcode)
1789
16.0k
{
1790
16.0k
  unsigned int id;
1791
16.0k
  unsigned int i = find_insn(opcode);
1792
1793
16.0k
  if (i != -1) {
1794
16.0k
    id = insns[i].mapid;
1795
16.0k
    return id == X86_INS_RET;
1796
16.0k
  }
1797
1798
  // not found
1799
0
  return false;
1800
16.0k
}
1801
1802
// given MCInst's id, find out if this insn is valid for REPE prefix
1803
static bool valid_repe(cs_struct *h, unsigned int opcode)
1804
19.1k
{
1805
19.1k
  unsigned int id;
1806
19.1k
  unsigned int i = find_insn(opcode);
1807
19.1k
  if (i != -1) {
1808
19.1k
    id = insns[i].mapid;
1809
19.1k
    switch(id) {
1810
15.8k
      default:
1811
15.8k
        return false;
1812
1813
539
      case X86_INS_CMPSB:
1814
962
      case X86_INS_CMPSW:
1815
1.48k
      case X86_INS_CMPSQ:
1816
1817
1.64k
      case X86_INS_SCASB:
1818
1.97k
      case X86_INS_SCASW:
1819
2.34k
      case X86_INS_SCASQ:
1820
2.34k
        return true;
1821
1822
      // following are some confused instructions, which have the same
1823
      // mnemonics in 128bit media instructions. Intel is horribly crazy!
1824
608
      case X86_INS_CMPSD:
1825
608
        if (opcode == X86_CMPSL) // REP CMPSD
1826
436
          return true;
1827
172
        return false;
1828
1829
340
      case X86_INS_SCASD:
1830
340
        if (opcode == X86_SCASL) // REP SCASD
1831
340
          return true;
1832
0
        return false;
1833
19.1k
    }
1834
19.1k
  }
1835
1836
  // not found
1837
0
  return false;
1838
19.1k
}
1839
1840
// Given MCInst's id, find out if this insn is valid for NOTRACK prefix.
1841
// NOTRACK prefix is valid for CALL/JMP.
1842
static bool valid_notrack(cs_struct *h, unsigned int opcode)
1843
4.38k
{
1844
4.38k
  unsigned int id;
1845
4.38k
  unsigned int i = find_insn(opcode);
1846
4.38k
  if (i != -1) {
1847
4.38k
    id = insns[i].mapid;
1848
4.38k
    switch(id) {
1849
3.84k
      default:
1850
3.84k
        return false;
1851
160
      case X86_INS_CALL:
1852
543
      case X86_INS_JMP:
1853
543
        return true;
1854
4.38k
    }
1855
4.38k
  }
1856
1857
  // not found
1858
0
  return false;
1859
4.38k
}
1860
1861
#ifndef CAPSTONE_DIET
1862
// add *CX register to regs_read[] & regs_write[]
1863
static void add_cx(MCInst *MI)
1864
19.2k
{
1865
19.2k
  if (MI->csh->detail) {
1866
19.2k
    x86_reg cx;
1867
1868
19.2k
    if (MI->csh->mode & CS_MODE_16)
1869
6.84k
      cx = X86_REG_CX;
1870
12.3k
    else if (MI->csh->mode & CS_MODE_32)
1871
4.82k
      cx = X86_REG_ECX;
1872
7.57k
    else  // 64-bit
1873
7.57k
      cx = X86_REG_RCX;
1874
1875
19.2k
    MI->flat_insn->detail->regs_read[MI->flat_insn->detail->regs_read_count] = cx;
1876
19.2k
    MI->flat_insn->detail->regs_read_count++;
1877
1878
19.2k
    MI->flat_insn->detail->regs_write[MI->flat_insn->detail->regs_write_count] = cx;
1879
19.2k
    MI->flat_insn->detail->regs_write_count++;
1880
19.2k
  }
1881
19.2k
}
1882
#endif
1883
1884
// return true if we patch the mnemonic
1885
bool X86_lockrep(MCInst *MI, SStream *O)
1886
1.20M
{
1887
1.20M
  unsigned int opcode;
1888
1.20M
  bool res = false;
1889
1890
1.20M
  switch(MI->x86_prefix[0]) {
1891
1.10M
    default:
1892
1.10M
      break;
1893
1.10M
    case 0xf0:
1894
37.3k
#ifndef CAPSTONE_DIET
1895
37.3k
      if (MI->xAcquireRelease == 0xf2)
1896
980
        SStream_concat(O, "xacquire|lock|");
1897
36.3k
      else if (MI->xAcquireRelease == 0xf3)
1898
570
        SStream_concat(O, "xrelease|lock|");
1899
35.7k
      else
1900
35.7k
        SStream_concat(O, "lock|");
1901
37.3k
#endif
1902
37.3k
      break;
1903
35.4k
    case 0xf2:  // repne
1904
35.4k
      opcode = MCInst_getOpcode(MI);
1905
1906
35.4k
#ifndef CAPSTONE_DIET // only care about memonic in standard (non-diet) mode
1907
35.4k
      if (xchg_mem(opcode) && MI->xAcquireRelease) {
1908
877
        SStream_concat(O, "xacquire|");
1909
34.5k
      } else if (valid_repne(MI->csh, opcode)) {
1910
10.0k
        SStream_concat(O, "repne|");
1911
10.0k
        add_cx(MI);
1912
24.5k
      } else if (valid_bnd(MI->csh, opcode)) {
1913
9.04k
        SStream_concat(O, "bnd|");
1914
15.4k
      } else {
1915
        // invalid prefix
1916
15.4k
        MI->x86_prefix[0] = 0;
1917
1918
        // handle special cases
1919
15.4k
#ifndef CAPSTONE_X86_REDUCE
1920
#if 0
1921
        if (opcode == X86_MULPDrr) {
1922
          MCInst_setOpcode(MI, X86_MULSDrr);
1923
          SStream_concat0(O, "mulsd\t");
1924
          res = true;
1925
        }
1926
#endif
1927
15.4k
#endif
1928
15.4k
      }
1929
#else // diet mode -> only patch opcode in special cases
1930
      if (!valid_repne(MI->csh, opcode)) {
1931
        MI->x86_prefix[0] = 0;
1932
      }
1933
#ifndef CAPSTONE_X86_REDUCE
1934
#if 0
1935
      // handle special cases
1936
      if (opcode == X86_MULPDrr) {
1937
        MCInst_setOpcode(MI, X86_MULSDrr);
1938
      }
1939
#endif
1940
#endif
1941
#endif
1942
35.4k
      break;
1943
1944
25.8k
    case 0xf3:
1945
25.8k
      opcode = MCInst_getOpcode(MI);
1946
1947
25.8k
#ifndef CAPSTONE_DIET // only care about memonic in standard (non-diet) mode
1948
25.8k
      if (xchg_mem(opcode) && MI->xAcquireRelease) {
1949
688
        SStream_concat(O, "xrelease|");
1950
25.1k
      } else if (valid_rep(MI->csh, opcode)) {
1951
6.06k
        SStream_concat(O, "rep|");
1952
6.06k
        add_cx(MI);
1953
19.1k
      } else if (valid_repe(MI->csh, opcode)) {
1954
3.11k
        SStream_concat(O, "repe|");
1955
3.11k
        add_cx(MI);
1956
16.0k
      } else if (valid_ret_repz(MI->csh, opcode)) {
1957
394
        SStream_concat(O, "repz|");
1958
15.6k
      } else {
1959
        // invalid prefix
1960
15.6k
        MI->x86_prefix[0] = 0;
1961
1962
        // handle special cases
1963
15.6k
#ifndef CAPSTONE_X86_REDUCE
1964
#if 0
1965
        // FIXME: remove this special case?
1966
        if (opcode == X86_MULPDrr) {
1967
          MCInst_setOpcode(MI, X86_MULSSrr);
1968
          SStream_concat0(O, "mulss\t");
1969
          res = true;
1970
        }
1971
#endif
1972
15.6k
#endif
1973
15.6k
      }
1974
#else // diet mode -> only patch opcode in special cases
1975
      if (!valid_rep(MI->csh, opcode) && !valid_repe(MI->csh, opcode)) {
1976
        MI->x86_prefix[0] = 0;
1977
      }
1978
#ifndef CAPSTONE_X86_REDUCE
1979
#if 0
1980
      // handle special cases
1981
      // FIXME: remove this special case?
1982
      if (opcode == X86_MULPDrr) {
1983
        MCInst_setOpcode(MI, X86_MULSSrr);
1984
      }
1985
#endif
1986
#endif
1987
#endif
1988
25.8k
      break;
1989
1.20M
  }
1990
1991
1.20M
  switch(MI->x86_prefix[1]) {
1992
1.20M
    default:
1993
1.20M
      break;
1994
1.20M
    case 0x3e:
1995
4.38k
      opcode = MCInst_getOpcode(MI);
1996
4.38k
      if (valid_notrack(MI->csh, opcode)) {
1997
543
        SStream_concat(O, "notrack|");
1998
543
      }
1999
4.38k
      break;
2000
1.20M
  }
2001
2002
  // copy normalized prefix[] back to x86.prefix[]
2003
1.20M
  if (MI->csh->detail)
2004
1.20M
    memcpy(MI->flat_insn->detail->x86.prefix, MI->x86_prefix, ARR_SIZE(MI->x86_prefix));
2005
2006
1.20M
  return res;
2007
1.20M
}
2008
2009
void op_addReg(MCInst *MI, int reg)
2010
91.5k
{
2011
91.5k
  if (MI->csh->detail) {
2012
91.5k
    MI->flat_insn->detail->x86.operands[MI->flat_insn->detail->x86.op_count].type = X86_OP_REG;
2013
91.5k
    MI->flat_insn->detail->x86.operands[MI->flat_insn->detail->x86.op_count].reg = reg;
2014
91.5k
    MI->flat_insn->detail->x86.operands[MI->flat_insn->detail->x86.op_count].size = MI->csh->regsize_map[reg];
2015
91.5k
    MI->flat_insn->detail->x86.op_count++;
2016
91.5k
  }
2017
2018
91.5k
  if (MI->op1_size == 0)
2019
58.2k
    MI->op1_size = MI->csh->regsize_map[reg];
2020
91.5k
}
2021
2022
void op_addImm(MCInst *MI, int v)
2023
5.68k
{
2024
5.68k
  if (MI->csh->detail) {
2025
5.68k
    MI->flat_insn->detail->x86.operands[MI->flat_insn->detail->x86.op_count].type = X86_OP_IMM;
2026
5.68k
    MI->flat_insn->detail->x86.operands[MI->flat_insn->detail->x86.op_count].imm = v;
2027
    // if op_count > 0, then this operand's size is taken from the destination op
2028
5.68k
    if (MI->csh->syntax != CS_OPT_SYNTAX_ATT) {
2029
5.68k
      if (MI->flat_insn->detail->x86.op_count > 0)
2030
5.68k
        MI->flat_insn->detail->x86.operands[MI->flat_insn->detail->x86.op_count].size = MI->flat_insn->detail->x86.operands[0].size;
2031
0
      else
2032
0
        MI->flat_insn->detail->x86.operands[MI->flat_insn->detail->x86.op_count].size = MI->imm_size;
2033
5.68k
    } else
2034
0
      MI->has_imm = true;
2035
5.68k
    MI->flat_insn->detail->x86.op_count++;
2036
5.68k
  }
2037
2038
5.68k
  if (MI->op1_size == 0)
2039
0
    MI->op1_size = MI->imm_size;
2040
5.68k
}
2041
2042
void op_addXopCC(MCInst *MI, int v)
2043
2.83k
{
2044
2.83k
  if (MI->csh->detail) {
2045
2.83k
    MI->flat_insn->detail->x86.xop_cc = v;
2046
2.83k
  }
2047
2.83k
}
2048
2049
void op_addSseCC(MCInst *MI, int v)
2050
0
{
2051
0
  if (MI->csh->detail) {
2052
0
    MI->flat_insn->detail->x86.sse_cc = v;
2053
0
  }
2054
0
}
2055
2056
void op_addAvxCC(MCInst *MI, int v)
2057
13.5k
{
2058
13.5k
  if (MI->csh->detail) {
2059
13.5k
    MI->flat_insn->detail->x86.avx_cc = v;
2060
13.5k
  }
2061
13.5k
}
2062
2063
void op_addAvxRoundingMode(MCInst *MI, int v)
2064
2.21k
{
2065
2.21k
  if (MI->csh->detail) {
2066
2.21k
    MI->flat_insn->detail->x86.avx_rm = v;
2067
2.21k
  }
2068
2.21k
}
2069
2070
// below functions supply details to X86GenAsmWriter*.inc
2071
void op_addAvxZeroOpmask(MCInst *MI)
2072
5.14k
{
2073
5.14k
  if (MI->csh->detail) {
2074
    // link with the previous operand
2075
5.14k
    MI->flat_insn->detail->x86.operands[MI->flat_insn->detail->x86.op_count - 1].avx_zero_opmask = true;
2076
5.14k
  }
2077
5.14k
}
2078
2079
void op_addAvxSae(MCInst *MI)
2080
6.05k
{
2081
6.05k
  if (MI->csh->detail) {
2082
6.05k
    MI->flat_insn->detail->x86.avx_sae = true;
2083
6.05k
  }
2084
6.05k
}
2085
2086
void op_addAvxBroadcast(MCInst *MI, x86_avx_bcast v)
2087
8.58k
{
2088
8.58k
  if (MI->csh->detail) {
2089
    // link with the previous operand
2090
8.58k
    MI->flat_insn->detail->x86.operands[MI->flat_insn->detail->x86.op_count - 1].avx_bcast = v;
2091
8.58k
  }
2092
8.58k
}
2093
2094
#ifndef CAPSTONE_DIET
2095
// map instruction to its characteristics
2096
typedef struct insn_op {
2097
  uint64_t flags; // how this instruction update EFLAGS(arithmetic instrcutions) of FPU FLAGS(for FPU instructions)
2098
  uint8_t access[6];
2099
} insn_op;
2100
2101
static const insn_op insn_ops[] = {
2102
#ifdef CAPSTONE_X86_REDUCE
2103
#include "X86MappingInsnOp_reduce.inc"
2104
#else
2105
#include "X86MappingInsnOp.inc"
2106
#endif
2107
};
2108
2109
// given internal insn id, return operand access info
2110
const uint8_t *X86_get_op_access(cs_struct *h, unsigned int id, uint64_t *eflags)
2111
2.83M
{
2112
2.83M
  unsigned int i = find_insn(id);
2113
2.83M
  if (i != -1) {
2114
2.83M
    *eflags = insn_ops[i].flags;
2115
2.83M
    return insn_ops[i].access;
2116
2.83M
  }
2117
2118
0
  return NULL;
2119
2.83M
}
2120
2121
void X86_reg_access(const cs_insn *insn,
2122
    cs_regs regs_read, uint8_t *regs_read_count,
2123
    cs_regs regs_write, uint8_t *regs_write_count)
2124
0
{
2125
0
  uint8_t i;
2126
0
  uint8_t read_count, write_count;
2127
0
  cs_x86 *x86 = &(insn->detail->x86);
2128
2129
0
  read_count = insn->detail->regs_read_count;
2130
0
  write_count = insn->detail->regs_write_count;
2131
2132
  // implicit registers
2133
0
  memcpy(regs_read, insn->detail->regs_read, read_count * sizeof(insn->detail->regs_read[0]));
2134
0
  memcpy(regs_write, insn->detail->regs_write, write_count * sizeof(insn->detail->regs_write[0]));
2135
2136
  // explicit registers
2137
0
  for (i = 0; i < x86->op_count; i++) {
2138
0
    cs_x86_op *op = &(x86->operands[i]);
2139
0
    switch((int)op->type) {
2140
0
      case X86_OP_REG:
2141
0
        if ((op->access & CS_AC_READ) && !arr_exist(regs_read, read_count, op->reg)) {
2142
0
          regs_read[read_count] = op->reg;
2143
0
          read_count++;
2144
0
        }
2145
0
        if ((op->access & CS_AC_WRITE) && !arr_exist(regs_write, write_count, op->reg)) {
2146
0
          regs_write[write_count] = op->reg;
2147
0
          write_count++;
2148
0
        }
2149
0
        break;
2150
0
      case X86_OP_MEM:
2151
        // registers appeared in memory references always being read
2152
0
        if ((op->mem.segment != X86_REG_INVALID)) {
2153
0
          regs_read[read_count] = op->mem.segment;
2154
0
          read_count++;
2155
0
        }
2156
0
        if ((op->mem.base != X86_REG_INVALID) && !arr_exist(regs_read, read_count, op->mem.base)) {
2157
0
          regs_read[read_count] = op->mem.base;
2158
0
          read_count++;
2159
0
        }
2160
0
        if ((op->mem.index != X86_REG_INVALID) && !arr_exist(regs_read, read_count, op->mem.index)) {
2161
0
          regs_read[read_count] = op->mem.index;
2162
0
          read_count++;
2163
0
        }
2164
0
      default:
2165
0
        break;
2166
0
    }
2167
0
  }
2168
2169
0
  *regs_read_count = read_count;
2170
0
  *regs_write_count = write_count;
2171
0
}
2172
#endif
2173
2174
// map immediate size to instruction id
2175
// this array is sorted for binary searching
2176
static const struct size_id {
2177
  uint8_t   enc_size;
2178
  uint8_t   size;
2179
  uint16_t  id;
2180
} x86_imm_size[] = {
2181
#include "X86ImmSize.inc"
2182
};
2183
2184
// given the instruction name, return the size of its immediate operand (or 0)
2185
uint8_t X86_immediate_size(unsigned int id, uint8_t *enc_size)
2186
170k
{
2187
  // binary searching since the IDs are sorted in order
2188
170k
  unsigned int left, right, m;
2189
2190
170k
  right = ARR_SIZE(x86_imm_size) - 1;
2191
2192
170k
  if (id < x86_imm_size[0].id || id > x86_imm_size[right].id)
2193
    // not found
2194
0
    return 0;
2195
2196
170k
  left = 0;
2197
2198
1.33M
  while (left <= right) {
2199
1.27M
    m = (left + right) / 2;
2200
1.27M
    if (id == x86_imm_size[m].id) {
2201
103k
      if (enc_size != NULL)
2202
102k
        *enc_size = x86_imm_size[m].enc_size;
2203
2204
103k
      return x86_imm_size[m].size;
2205
103k
    }
2206
2207
1.16M
    if (id > x86_imm_size[m].id)
2208
552k
      left = m + 1;
2209
617k
    else {
2210
617k
      if (m == 0)
2211
0
        break;
2212
617k
      right = m - 1;
2213
617k
    }
2214
1.16M
  }
2215
2216
  // not found
2217
66.6k
  return 0;
2218
170k
}
2219
2220
#define GET_REGINFO_ENUM
2221
#include "X86GenRegisterInfo.inc"
2222
2223
// map internal register id to public register id
2224
static const struct register_map {
2225
  unsigned short    id;
2226
  unsigned short    pub_id;
2227
} reg_map [] = {
2228
  // first dummy map
2229
  { 0, 0 },
2230
#include "X86MappingReg.inc"
2231
};
2232
2233
// return 0 on invalid input, or public register ID otherwise
2234
// NOTE: reg_map is sorted in order of internal register
2235
unsigned short X86_register_map(unsigned short id)
2236
3.07M
{
2237
3.07M
  if (id < ARR_SIZE(reg_map))
2238
3.07M
    return reg_map[id].pub_id;
2239
2240
0
  return 0;
2241
3.07M
}
2242
2243
/// The post-printer function. Used to fixup flaws in the disassembly information
2244
/// of certain instructions.
2245
1.20M
void X86_postprinter(csh handle, cs_insn *insn, char *mnem, MCInst *mci) {
2246
1.20M
  if (!insn || !insn->detail) {
2247
0
    return;
2248
0
  }
2249
1.20M
  switch (insn->id) {
2250
1.19M
  default:
2251
1.19M
    break;
2252
1.19M
  case X86_INS_RCL:
2253
    // Addmissing 1 immediate
2254
17.9k
    if (insn->detail->x86.op_count > 1) {
2255
17.6k
      return;
2256
17.6k
    }
2257
331
    insn->detail->x86.operands[1].imm = 1;
2258
331
    insn->detail->x86.operands[1].type = X86_OP_IMM;
2259
331
    insn->detail->x86.operands[1].access = CS_AC_READ;
2260
331
    insn->detail->x86.op_count++;
2261
331
    break;
2262
1.20M
  }
2263
1.20M
}
2264
2265
2266
#endif