/src/capstonenext/arch/X86/X86Mapping.c

Source
/* Capstone Disassembly Engine */
/* By Nguyen Anh Quynh <aquynh@gmail.com>, 2013-2019 */

#ifdef CAPSTONE_HAS_X86

#if defined(CAPSTONE_HAS_OSXKERNEL)
#include <Availability.h>
#endif

#include <string.h>
#ifndef CAPSTONE_HAS_OSXKERNEL
#include <stdlib.h>
#endif

#include "../../Mapping.h"
#include "../../MCInstPrinter.h"
#include "X86Mapping.h"
#include "X86DisassemblerDecoder.h"

#include "../../utils.h"

const uint64_t arch_masks[9] = {
  0,
  0xff,
  0xffff, // 16bit
  0,
  0xffffffff, // 32bit
  0,
  0,
  0,
  0xffffffffffffffffLL // 64bit
};

static const x86_reg sib_base_map[] = { X86_REG_INVALID,
#define ENTRY(x) X86_REG_##x,
          ALL_SIB_BASES
#undef ENTRY
};

// Fill-ins to make the compiler happy.  These constants are never actually
// assigned; they are just filler to make an automatically-generated switch
// statement work.
enum {
  X86_REG_BX_SI = 500,
  X86_REG_BX_DI = 501,
  X86_REG_BP_SI = 502,
  X86_REG_BP_DI = 503,
  X86_REG_sib = 504,
  X86_REG_sib64 = 505
};

static const x86_reg sib_index_map[] = { X86_REG_INVALID,
#define ENTRY(x) X86_REG_##x,
           ALL_EA_BASES REGS_XMM REGS_YMM REGS_ZMM
#undef ENTRY
};

static const x86_reg segment_map[] = {
  X86_REG_INVALID, X86_REG_CS, X86_REG_SS, X86_REG_DS,
  X86_REG_ES,  X86_REG_FS, X86_REG_GS,
};

x86_reg x86_map_sib_base(int r)
{
  return sib_base_map[r];
}

x86_reg x86_map_sib_index(int r)
{
  return sib_index_map[r];
}

x86_reg x86_map_segment(int r)
{
  return segment_map[r];
}

#ifndef CAPSTONE_DIET
static const name_map reg_name_maps[] = {
  { X86_REG_INVALID, NULL },

  { X86_REG_AH, "ah" },      { X86_REG_AL, "al" },
  { X86_REG_AX, "ax" },      { X86_REG_BH, "bh" },
  { X86_REG_BL, "bl" },      { X86_REG_BP, "bp" },
  { X86_REG_BPL, "bpl" },      { X86_REG_BX, "bx" },
  { X86_REG_CH, "ch" },      { X86_REG_CL, "cl" },
  { X86_REG_CS, "cs" },      { X86_REG_CX, "cx" },
  { X86_REG_DH, "dh" },      { X86_REG_DI, "di" },
  { X86_REG_DIL, "dil" },      { X86_REG_DL, "dl" },
  { X86_REG_DS, "ds" },      { X86_REG_DX, "dx" },
  { X86_REG_EAX, "eax" },      { X86_REG_EBP, "ebp" },
  { X86_REG_EBX, "ebx" },      { X86_REG_ECX, "ecx" },
  { X86_REG_EDI, "edi" },      { X86_REG_EDX, "edx" },
  { X86_REG_EFLAGS, "flags" }, { X86_REG_EIP, "eip" },
  { X86_REG_EIZ, "eiz" },      { X86_REG_ES, "es" },
  { X86_REG_ESI, "esi" },      { X86_REG_ESP, "esp" },
  { X86_REG_FPSW, "fpsw" },    { X86_REG_FS, "fs" },
  { X86_REG_GS, "gs" },      { X86_REG_IP, "ip" },
  { X86_REG_RAX, "rax" },      { X86_REG_RBP, "rbp" },
  { X86_REG_RBX, "rbx" },      { X86_REG_RCX, "rcx" },
  { X86_REG_RDI, "rdi" },      { X86_REG_RDX, "rdx" },
  { X86_REG_RIP, "rip" },      { X86_REG_RIZ, "riz" },
  { X86_REG_RSI, "rsi" },      { X86_REG_RSP, "rsp" },
  { X86_REG_SI, "si" },      { X86_REG_SIL, "sil" },
  { X86_REG_SP, "sp" },      { X86_REG_SPL, "spl" },
  { X86_REG_SS, "ss" },      { X86_REG_CR0, "cr0" },
  { X86_REG_CR1, "cr1" },      { X86_REG_CR2, "cr2" },
  { X86_REG_CR3, "cr3" },      { X86_REG_CR4, "cr4" },
  { X86_REG_CR5, "cr5" },      { X86_REG_CR6, "cr6" },
  { X86_REG_CR7, "cr7" },      { X86_REG_CR8, "cr8" },
  { X86_REG_CR9, "cr9" },      { X86_REG_CR10, "cr10" },
  { X86_REG_CR11, "cr11" },    { X86_REG_CR12, "cr12" },
  { X86_REG_CR13, "cr13" },    { X86_REG_CR14, "cr14" },
  { X86_REG_CR15, "cr15" },    { X86_REG_DR0, "dr0" },
  { X86_REG_DR1, "dr1" },      { X86_REG_DR2, "dr2" },
  { X86_REG_DR3, "dr3" },      { X86_REG_DR4, "dr4" },
  { X86_REG_DR5, "dr5" },      { X86_REG_DR6, "dr6" },
  { X86_REG_DR7, "dr7" },      { X86_REG_DR8, "dr8" },
  { X86_REG_DR9, "dr9" },      { X86_REG_DR10, "dr10" },
  { X86_REG_DR11, "dr11" },    { X86_REG_DR12, "dr12" },
  { X86_REG_DR13, "dr13" },    { X86_REG_DR14, "dr14" },
  { X86_REG_DR15, "dr15" },    { X86_REG_FP0, "fp0" },
  { X86_REG_FP1, "fp1" },      { X86_REG_FP2, "fp2" },
  { X86_REG_FP3, "fp3" },      { X86_REG_FP4, "fp4" },
  { X86_REG_FP5, "fp5" },      { X86_REG_FP6, "fp6" },
  { X86_REG_FP7, "fp7" },      { X86_REG_K0, "k0" },
  { X86_REG_K1, "k1" },      { X86_REG_K2, "k2" },
  { X86_REG_K3, "k3" },      { X86_REG_K4, "k4" },
  { X86_REG_K5, "k5" },      { X86_REG_K6, "k6" },
  { X86_REG_K7, "k7" },      { X86_REG_MM0, "mm0" },
  { X86_REG_MM1, "mm1" },      { X86_REG_MM2, "mm2" },
  { X86_REG_MM3, "mm3" },      { X86_REG_MM4, "mm4" },
  { X86_REG_MM5, "mm5" },      { X86_REG_MM6, "mm6" },
  { X86_REG_MM7, "mm7" },      { X86_REG_R8, "r8" },
  { X86_REG_R9, "r9" },      { X86_REG_R10, "r10" },
  { X86_REG_R11, "r11" },      { X86_REG_R12, "r12" },
  { X86_REG_R13, "r13" },      { X86_REG_R14, "r14" },
  { X86_REG_R15, "r15" },      { X86_REG_ST0, "st(0)" },
  { X86_REG_ST1, "st(1)" },    { X86_REG_ST2, "st(2)" },
  { X86_REG_ST3, "st(3)" },    { X86_REG_ST4, "st(4)" },
  { X86_REG_ST5, "st(5)" },    { X86_REG_ST6, "st(6)" },
  { X86_REG_ST7, "st(7)" },    { X86_REG_XMM0, "xmm0" },
  { X86_REG_XMM1, "xmm1" },    { X86_REG_XMM2, "xmm2" },
  { X86_REG_XMM3, "xmm3" },    { X86_REG_XMM4, "xmm4" },
  { X86_REG_XMM5, "xmm5" },    { X86_REG_XMM6, "xmm6" },
  { X86_REG_XMM7, "xmm7" },    { X86_REG_XMM8, "xmm8" },
  { X86_REG_XMM9, "xmm9" },    { X86_REG_XMM10, "xmm10" },
  { X86_REG_XMM11, "xmm11" },  { X86_REG_XMM12, "xmm12" },
  { X86_REG_XMM13, "xmm13" },  { X86_REG_XMM14, "xmm14" },
  { X86_REG_XMM15, "xmm15" },  { X86_REG_XMM16, "xmm16" },
  { X86_REG_XMM17, "xmm17" },  { X86_REG_XMM18, "xmm18" },
  { X86_REG_XMM19, "xmm19" },  { X86_REG_XMM20, "xmm20" },
  { X86_REG_XMM21, "xmm21" },  { X86_REG_XMM22, "xmm22" },
  { X86_REG_XMM23, "xmm23" },  { X86_REG_XMM24, "xmm24" },
  { X86_REG_XMM25, "xmm25" },  { X86_REG_XMM26, "xmm26" },
  { X86_REG_XMM27, "xmm27" },  { X86_REG_XMM28, "xmm28" },
  { X86_REG_XMM29, "xmm29" },  { X86_REG_XMM30, "xmm30" },
  { X86_REG_XMM31, "xmm31" },  { X86_REG_YMM0, "ymm0" },
  { X86_REG_YMM1, "ymm1" },    { X86_REG_YMM2, "ymm2" },
  { X86_REG_YMM3, "ymm3" },    { X86_REG_YMM4, "ymm4" },
  { X86_REG_YMM5, "ymm5" },    { X86_REG_YMM6, "ymm6" },
  { X86_REG_YMM7, "ymm7" },    { X86_REG_YMM8, "ymm8" },
  { X86_REG_YMM9, "ymm9" },    { X86_REG_YMM10, "ymm10" },
  { X86_REG_YMM11, "ymm11" },  { X86_REG_YMM12, "ymm12" },
  { X86_REG_YMM13, "ymm13" },  { X86_REG_YMM14, "ymm14" },
  { X86_REG_YMM15, "ymm15" },  { X86_REG_YMM16, "ymm16" },
  { X86_REG_YMM17, "ymm17" },  { X86_REG_YMM18, "ymm18" },
  { X86_REG_YMM19, "ymm19" },  { X86_REG_YMM20, "ymm20" },
  { X86_REG_YMM21, "ymm21" },  { X86_REG_YMM22, "ymm22" },
  { X86_REG_YMM23, "ymm23" },  { X86_REG_YMM24, "ymm24" },
  { X86_REG_YMM25, "ymm25" },  { X86_REG_YMM26, "ymm26" },
  { X86_REG_YMM27, "ymm27" },  { X86_REG_YMM28, "ymm28" },
  { X86_REG_YMM29, "ymm29" },  { X86_REG_YMM30, "ymm30" },
  { X86_REG_YMM31, "ymm31" },  { X86_REG_ZMM0, "zmm0" },
  { X86_REG_ZMM1, "zmm1" },    { X86_REG_ZMM2, "zmm2" },
  { X86_REG_ZMM3, "zmm3" },    { X86_REG_ZMM4, "zmm4" },
  { X86_REG_ZMM5, "zmm5" },    { X86_REG_ZMM6, "zmm6" },
  { X86_REG_ZMM7, "zmm7" },    { X86_REG_ZMM8, "zmm8" },
  { X86_REG_ZMM9, "zmm9" },    { X86_REG_ZMM10, "zmm10" },
  { X86_REG_ZMM11, "zmm11" },  { X86_REG_ZMM12, "zmm12" },
  { X86_REG_ZMM13, "zmm13" },  { X86_REG_ZMM14, "zmm14" },
  { X86_REG_ZMM15, "zmm15" },  { X86_REG_ZMM16, "zmm16" },
  { X86_REG_ZMM17, "zmm17" },  { X86_REG_ZMM18, "zmm18" },
  { X86_REG_ZMM19, "zmm19" },  { X86_REG_ZMM20, "zmm20" },
  { X86_REG_ZMM21, "zmm21" },  { X86_REG_ZMM22, "zmm22" },
  { X86_REG_ZMM23, "zmm23" },  { X86_REG_ZMM24, "zmm24" },
  { X86_REG_ZMM25, "zmm25" },  { X86_REG_ZMM26, "zmm26" },
  { X86_REG_ZMM27, "zmm27" },  { X86_REG_ZMM28, "zmm28" },
  { X86_REG_ZMM29, "zmm29" },  { X86_REG_ZMM30, "zmm30" },
  { X86_REG_ZMM31, "zmm31" },  { X86_REG_R8B, "r8b" },
  { X86_REG_R9B, "r9b" },      { X86_REG_R10B, "r10b" },
  { X86_REG_R11B, "r11b" },    { X86_REG_R12B, "r12b" },
  { X86_REG_R13B, "r13b" },    { X86_REG_R14B, "r14b" },
  { X86_REG_R15B, "r15b" },    { X86_REG_R8D, "r8d" },
  { X86_REG_R9D, "r9d" },      { X86_REG_R10D, "r10d" },
  { X86_REG_R11D, "r11d" },    { X86_REG_R12D, "r12d" },
  { X86_REG_R13D, "r13d" },    { X86_REG_R14D, "r14d" },
  { X86_REG_R15D, "r15d" },    { X86_REG_R8W, "r8w" },
  { X86_REG_R9W, "r9w" },      { X86_REG_R10W, "r10w" },
  { X86_REG_R11W, "r11w" },    { X86_REG_R12W, "r12w" },
  { X86_REG_R13W, "r13w" },    { X86_REG_R14W, "r14w" },
  { X86_REG_R15W, "r15w" },

  { X86_REG_BND0, "bnd0" },    { X86_REG_BND1, "bnd1" },
  { X86_REG_BND2, "bnd2" },    { X86_REG_BND3, "bnd3" },
};
#endif

// register size in non-64bit mode
const uint8_t regsize_map_32[] = {
  0, //   { X86_REG_INVALID, NULL },
  1, // { X86_REG_AH, "ah" },
  1, // { X86_REG_AL, "al" },
  2, // { X86_REG_AX, "ax" },
  1, // { X86_REG_BH, "bh" },
  1, // { X86_REG_BL, "bl" },
  2, // { X86_REG_BP, "bp" },
  1, // { X86_REG_BPL, "bpl" },
  2, // { X86_REG_BX, "bx" },
  1, // { X86_REG_CH, "ch" },
  1, // { X86_REG_CL, "cl" },
  2, // { X86_REG_CS, "cs" },
  2, // { X86_REG_CX, "cx" },
  1, // { X86_REG_DH, "dh" },
  2, // { X86_REG_DI, "di" },
  1, // { X86_REG_DIL, "dil" },
  1, // { X86_REG_DL, "dl" },
  2, // { X86_REG_DS, "ds" },
  2, // { X86_REG_DX, "dx" },
  4, // { X86_REG_EAX, "eax" },
  4, // { X86_REG_EBP, "ebp" },
  4, // { X86_REG_EBX, "ebx" },
  4, // { X86_REG_ECX, "ecx" },
  4, // { X86_REG_EDI, "edi" },
  4, // { X86_REG_EDX, "edx" },
  4, // { X86_REG_EFLAGS, "flags" },
  4, // { X86_REG_EIP, "eip" },
  4, // { X86_REG_EIZ, "eiz" },
  2, // { X86_REG_ES, "es" },
  4, // { X86_REG_ESI, "esi" },
  4, // { X86_REG_ESP, "esp" },
  10, // { X86_REG_FPSW, "fpsw" },
  2, // { X86_REG_FS, "fs" },
  2, // { X86_REG_GS, "gs" },
  2, // { X86_REG_IP, "ip" },
  8, // { X86_REG_RAX, "rax" },
  8, // { X86_REG_RBP, "rbp" },
  8, // { X86_REG_RBX, "rbx" },
  8, // { X86_REG_RCX, "rcx" },
  8, // { X86_REG_RDI, "rdi" },
  8, // { X86_REG_RDX, "rdx" },
  8, // { X86_REG_RIP, "rip" },
  8, // { X86_REG_RIZ, "riz" },
  8, // { X86_REG_RSI, "rsi" },
  8, // { X86_REG_RSP, "rsp" },
  2, // { X86_REG_SI, "si" },
  1, // { X86_REG_SIL, "sil" },
  2, // { X86_REG_SP, "sp" },
  1, // { X86_REG_SPL, "spl" },
  2, // { X86_REG_SS, "ss" },
  4, // { X86_REG_CR0, "cr0" },
  4, // { X86_REG_CR1, "cr1" },
  4, // { X86_REG_CR2, "cr2" },
  4, // { X86_REG_CR3, "cr3" },
  4, // { X86_REG_CR4, "cr4" },
  8, // { X86_REG_CR5, "cr5" },
  8, // { X86_REG_CR6, "cr6" },
  8, // { X86_REG_CR7, "cr7" },
  8, // { X86_REG_CR8, "cr8" },
  8, // { X86_REG_CR9, "cr9" },
  8, // { X86_REG_CR10, "cr10" },
  8, // { X86_REG_CR11, "cr11" },
  8, // { X86_REG_CR12, "cr12" },
  8, // { X86_REG_CR13, "cr13" },
  8, // { X86_REG_CR14, "cr14" },
  8, // { X86_REG_CR15, "cr15" },
  4, // { X86_REG_DR0, "dr0" },
  4, // { X86_REG_DR1, "dr1" },
  4, // { X86_REG_DR2, "dr2" },
  4, // { X86_REG_DR3, "dr3" },
  4, // { X86_REG_DR4, "dr4" },
  4, // { X86_REG_DR5, "dr5" },
  4, // { X86_REG_DR6, "dr6" },
  4, // { X86_REG_DR7, "dr7" },
  4, // { X86_REG_DR8, "dr8" },
  4, // { X86_REG_DR9, "dr9" },
  4, // { X86_REG_DR10, "dr10" },
  4, // { X86_REG_DR11, "dr11" },
  4, // { X86_REG_DR12, "dr12" },
  4, // { X86_REG_DR13, "dr13" },
  4, // { X86_REG_DR14, "dr14" },
  4, // { X86_REG_DR15, "dr15" },
  10, // { X86_REG_FP0, "fp0" },
  10, // { X86_REG_FP1, "fp1" },
  10, // { X86_REG_FP2, "fp2" },
  10, // { X86_REG_FP3, "fp3" },
  10, // { X86_REG_FP4, "fp4" },
  10, // { X86_REG_FP5, "fp5" },
  10, // { X86_REG_FP6, "fp6" },
  10, // { X86_REG_FP7, "fp7" },
  2, // { X86_REG_K0, "k0" },
  2, // { X86_REG_K1, "k1" },
  2, // { X86_REG_K2, "k2" },
  2, // { X86_REG_K3, "k3" },
  2, // { X86_REG_K4, "k4" },
  2, // { X86_REG_K5, "k5" },
  2, // { X86_REG_K6, "k6" },
  2, // { X86_REG_K7, "k7" },
  8, // { X86_REG_MM0, "mm0" },
  8, // { X86_REG_MM1, "mm1" },
  8, // { X86_REG_MM2, "mm2" },
  8, // { X86_REG_MM3, "mm3" },
  8, // { X86_REG_MM4, "mm4" },
  8, // { X86_REG_MM5, "mm5" },
  8, // { X86_REG_MM6, "mm6" },
  8, // { X86_REG_MM7, "mm7" },
  8, // { X86_REG_R8, "r8" },
  8, // { X86_REG_R9, "r9" },
  8, // { X86_REG_R10, "r10" },
  8, // { X86_REG_R11, "r11" },
  8, // { X86_REG_R12, "r12" },
  8, // { X86_REG_R13, "r13" },
  8, // { X86_REG_R14, "r14" },
  8, // { X86_REG_R15, "r15" },
  10, // { X86_REG_ST0, "st0" },
  10, // { X86_REG_ST1, "st1" },
  10, // { X86_REG_ST2, "st2" },
  10, // { X86_REG_ST3, "st3" },
  10, // { X86_REG_ST4, "st4" },
  10, // { X86_REG_ST5, "st5" },
  10, // { X86_REG_ST6, "st6" },
  10, // { X86_REG_ST7, "st7" },
  16, // { X86_REG_XMM0, "xmm0" },
  16, // { X86_REG_XMM1, "xmm1" },
  16, // { X86_REG_XMM2, "xmm2" },
  16, // { X86_REG_XMM3, "xmm3" },
  16, // { X86_REG_XMM4, "xmm4" },
  16, // { X86_REG_XMM5, "xmm5" },
  16, // { X86_REG_XMM6, "xmm6" },
  16, // { X86_REG_XMM7, "xmm7" },
  16, // { X86_REG_XMM8, "xmm8" },
  16, // { X86_REG_XMM9, "xmm9" },
  16, // { X86_REG_XMM10, "xmm10" },
  16, // { X86_REG_XMM11, "xmm11" },
  16, // { X86_REG_XMM12, "xmm12" },
  16, // { X86_REG_XMM13, "xmm13" },
  16, // { X86_REG_XMM14, "xmm14" },
  16, // { X86_REG_XMM15, "xmm15" },
  16, // { X86_REG_XMM16, "xmm16" },
  16, // { X86_REG_XMM17, "xmm17" },
  16, // { X86_REG_XMM18, "xmm18" },
  16, // { X86_REG_XMM19, "xmm19" },
  16, // { X86_REG_XMM20, "xmm20" },
  16, // { X86_REG_XMM21, "xmm21" },
  16, // { X86_REG_XMM22, "xmm22" },
  16, // { X86_REG_XMM23, "xmm23" },
  16, // { X86_REG_XMM24, "xmm24" },
  16, // { X86_REG_XMM25, "xmm25" },
  16, // { X86_REG_XMM26, "xmm26" },
  16, // { X86_REG_XMM27, "xmm27" },
  16, // { X86_REG_XMM28, "xmm28" },
  16, // { X86_REG_XMM29, "xmm29" },
  16, // { X86_REG_XMM30, "xmm30" },
  16, // { X86_REG_XMM31, "xmm31" },
  32, // { X86_REG_YMM0, "ymm0" },
  32, // { X86_REG_YMM1, "ymm1" },
  32, // { X86_REG_YMM2, "ymm2" },
  32, // { X86_REG_YMM3, "ymm3" },
  32, // { X86_REG_YMM4, "ymm4" },
  32, // { X86_REG_YMM5, "ymm5" },
  32, // { X86_REG_YMM6, "ymm6" },
  32, // { X86_REG_YMM7, "ymm7" },
  32, // { X86_REG_YMM8, "ymm8" },
  32, // { X86_REG_YMM9, "ymm9" },
  32, // { X86_REG_YMM10, "ymm10" },
  32, // { X86_REG_YMM11, "ymm11" },
  32, // { X86_REG_YMM12, "ymm12" },
  32, // { X86_REG_YMM13, "ymm13" },
  32, // { X86_REG_YMM14, "ymm14" },
  32, // { X86_REG_YMM15, "ymm15" },
  32, // { X86_REG_YMM16, "ymm16" },
  32, // { X86_REG_YMM17, "ymm17" },
  32, // { X86_REG_YMM18, "ymm18" },
  32, // { X86_REG_YMM19, "ymm19" },
  32, // { X86_REG_YMM20, "ymm20" },
  32, // { X86_REG_YMM21, "ymm21" },
  32, // { X86_REG_YMM22, "ymm22" },
  32, // { X86_REG_YMM23, "ymm23" },
  32, // { X86_REG_YMM24, "ymm24" },
  32, // { X86_REG_YMM25, "ymm25" },
  32, // { X86_REG_YMM26, "ymm26" },
  32, // { X86_REG_YMM27, "ymm27" },
  32, // { X86_REG_YMM28, "ymm28" },
  32, // { X86_REG_YMM29, "ymm29" },
  32, // { X86_REG_YMM30, "ymm30" },
  32, // { X86_REG_YMM31, "ymm31" },
  64, // { X86_REG_ZMM0, "zmm0" },
  64, // { X86_REG_ZMM1, "zmm1" },
  64, // { X86_REG_ZMM2, "zmm2" },
  64, // { X86_REG_ZMM3, "zmm3" },
  64, // { X86_REG_ZMM4, "zmm4" },
  64, // { X86_REG_ZMM5, "zmm5" },
  64, // { X86_REG_ZMM6, "zmm6" },
  64, // { X86_REG_ZMM7, "zmm7" },
  64, // { X86_REG_ZMM8, "zmm8" },
  64, // { X86_REG_ZMM9, "zmm9" },
  64, // { X86_REG_ZMM10, "zmm10" },
  64, // { X86_REG_ZMM11, "zmm11" },
  64, // { X86_REG_ZMM12, "zmm12" },
  64, // { X86_REG_ZMM13, "zmm13" },
  64, // { X86_REG_ZMM14, "zmm14" },
  64, // { X86_REG_ZMM15, "zmm15" },
  64, // { X86_REG_ZMM16, "zmm16" },
  64, // { X86_REG_ZMM17, "zmm17" },
  64, // { X86_REG_ZMM18, "zmm18" },
  64, // { X86_REG_ZMM19, "zmm19" },
  64, // { X86_REG_ZMM20, "zmm20" },
  64, // { X86_REG_ZMM21, "zmm21" },
  64, // { X86_REG_ZMM22, "zmm22" },
  64, // { X86_REG_ZMM23, "zmm23" },
  64, // { X86_REG_ZMM24, "zmm24" },
  64, // { X86_REG_ZMM25, "zmm25" },
  64, // { X86_REG_ZMM26, "zmm26" },
  64, // { X86_REG_ZMM27, "zmm27" },
  64, // { X86_REG_ZMM28, "zmm28" },
  64, // { X86_REG_ZMM29, "zmm29" },
  64, // { X86_REG_ZMM30, "zmm30" },
  64, // { X86_REG_ZMM31, "zmm31" },
  1, // { X86_REG_R8B, "r8b" },
  1, // { X86_REG_R9B, "r9b" },
  1, // { X86_REG_R10B, "r10b" },
  1, // { X86_REG_R11B, "r11b" },
  1, // { X86_REG_R12B, "r12b" },
  1, // { X86_REG_R13B, "r13b" },
  1, // { X86_REG_R14B, "r14b" },
  1, // { X86_REG_R15B, "r15b" },
  4, // { X86_REG_R8D, "r8d" },
  4, // { X86_REG_R9D, "r9d" },
  4, // { X86_REG_R10D, "r10d" },
  4, // { X86_REG_R11D, "r11d" },
  4, // { X86_REG_R12D, "r12d" },
  4, // { X86_REG_R13D, "r13d" },
  4, // { X86_REG_R14D, "r14d" },
  4, // { X86_REG_R15D, "r15d" },
  2, // { X86_REG_R8W, "r8w" },
  2, // { X86_REG_R9W, "r9w" },
  2, // { X86_REG_R10W, "r10w" },
  2, // { X86_REG_R11W, "r11w" },
  2, // { X86_REG_R12W, "r12w" },
  2, // { X86_REG_R13W, "r13w" },
  2, // { X86_REG_R14W, "r14w" },
  2, // { X86_REG_R15W, "r15w" },
  16, // { X86_REG_BND0, "bnd0" },
  16, // { X86_REG_BND1, "bnd0" },
  16, // { X86_REG_BND2, "bnd0" },
  16, // { X86_REG_BND3, "bnd0" },
};

// register size in 64bit mode
const uint8_t regsize_map_64[] = {
  0, //   { X86_REG_INVALID, NULL },
  1, // { X86_REG_AH, "ah" },
  1, // { X86_REG_AL, "al" },
  2, // { X86_REG_AX, "ax" },
  1, // { X86_REG_BH, "bh" },
  1, // { X86_REG_BL, "bl" },
  2, // { X86_REG_BP, "bp" },
  1, // { X86_REG_BPL, "bpl" },
  2, // { X86_REG_BX, "bx" },
  1, // { X86_REG_CH, "ch" },
  1, // { X86_REG_CL, "cl" },
  2, // { X86_REG_CS, "cs" },
  2, // { X86_REG_CX, "cx" },
  1, // { X86_REG_DH, "dh" },
  2, // { X86_REG_DI, "di" },
  1, // { X86_REG_DIL, "dil" },
  1, // { X86_REG_DL, "dl" },
  2, // { X86_REG_DS, "ds" },
  2, // { X86_REG_DX, "dx" },
  4, // { X86_REG_EAX, "eax" },
  4, // { X86_REG_EBP, "ebp" },
  4, // { X86_REG_EBX, "ebx" },
  4, // { X86_REG_ECX, "ecx" },
  4, // { X86_REG_EDI, "edi" },
  4, // { X86_REG_EDX, "edx" },
  8, // { X86_REG_EFLAGS, "flags" },
  4, // { X86_REG_EIP, "eip" },
  4, // { X86_REG_EIZ, "eiz" },
  2, // { X86_REG_ES, "es" },
  4, // { X86_REG_ESI, "esi" },
  4, // { X86_REG_ESP, "esp" },
  10, // { X86_REG_FPSW, "fpsw" },
  2, // { X86_REG_FS, "fs" },
  2, // { X86_REG_GS, "gs" },
  2, // { X86_REG_IP, "ip" },
  8, // { X86_REG_RAX, "rax" },
  8, // { X86_REG_RBP, "rbp" },
  8, // { X86_REG_RBX, "rbx" },
  8, // { X86_REG_RCX, "rcx" },
  8, // { X86_REG_RDI, "rdi" },
  8, // { X86_REG_RDX, "rdx" },
  8, // { X86_REG_RIP, "rip" },
  8, // { X86_REG_RIZ, "riz" },
  8, // { X86_REG_RSI, "rsi" },
  8, // { X86_REG_RSP, "rsp" },
  2, // { X86_REG_SI, "si" },
  1, // { X86_REG_SIL, "sil" },
  2, // { X86_REG_SP, "sp" },
  1, // { X86_REG_SPL, "spl" },
  2, // { X86_REG_SS, "ss" },
  8, // { X86_REG_CR0, "cr0" },
  8, // { X86_REG_CR1, "cr1" },
  8, // { X86_REG_CR2, "cr2" },
  8, // { X86_REG_CR3, "cr3" },
  8, // { X86_REG_CR4, "cr4" },
  8, // { X86_REG_CR5, "cr5" },
  8, // { X86_REG_CR6, "cr6" },
  8, // { X86_REG_CR7, "cr7" },
  8, // { X86_REG_CR8, "cr8" },
  8, // { X86_REG_CR9, "cr9" },
  8, // { X86_REG_CR10, "cr10" },
  8, // { X86_REG_CR11, "cr11" },
  8, // { X86_REG_CR12, "cr12" },
  8, // { X86_REG_CR13, "cr13" },
  8, // { X86_REG_CR14, "cr14" },
  8, // { X86_REG_CR15, "cr15" },
  8, // { X86_REG_DR0, "dr0" },
  8, // { X86_REG_DR1, "dr1" },
  8, // { X86_REG_DR2, "dr2" },
  8, // { X86_REG_DR3, "dr3" },
  8, // { X86_REG_DR4, "dr4" },
  8, // { X86_REG_DR5, "dr5" },
  8, // { X86_REG_DR6, "dr6" },
  8, // { X86_REG_DR7, "dr7" },
  8, // { X86_REG_DR8, "dr8" },
  8, // { X86_REG_DR9, "dr9" },
  8, // { X86_REG_DR10, "dr10" },
  8, // { X86_REG_DR11, "dr11" },
  8, // { X86_REG_DR12, "dr12" },
  8, // { X86_REG_DR13, "dr13" },
  8, // { X86_REG_DR14, "dr14" },
  8, // { X86_REG_DR15, "dr15" },
  10, // { X86_REG_FP0, "fp0" },
  10, // { X86_REG_FP1, "fp1" },
  10, // { X86_REG_FP2, "fp2" },
  10, // { X86_REG_FP3, "fp3" },
  10, // { X86_REG_FP4, "fp4" },
  10, // { X86_REG_FP5, "fp5" },
  10, // { X86_REG_FP6, "fp6" },
  10, // { X86_REG_FP7, "fp7" },
  2, // { X86_REG_K0, "k0" },
  2, // { X86_REG_K1, "k1" },
  2, // { X86_REG_K2, "k2" },
  2, // { X86_REG_K3, "k3" },
  2, // { X86_REG_K4, "k4" },
  2, // { X86_REG_K5, "k5" },
  2, // { X86_REG_K6, "k6" },
  2, // { X86_REG_K7, "k7" },
  8, // { X86_REG_MM0, "mm0" },
  8, // { X86_REG_MM1, "mm1" },
  8, // { X86_REG_MM2, "mm2" },
  8, // { X86_REG_MM3, "mm3" },
  8, // { X86_REG_MM4, "mm4" },
  8, // { X86_REG_MM5, "mm5" },
  8, // { X86_REG_MM6, "mm6" },
  8, // { X86_REG_MM7, "mm7" },
  8, // { X86_REG_R8, "r8" },
  8, // { X86_REG_R9, "r9" },
  8, // { X86_REG_R10, "r10" },
  8, // { X86_REG_R11, "r11" },
  8, // { X86_REG_R12, "r12" },
  8, // { X86_REG_R13, "r13" },
  8, // { X86_REG_R14, "r14" },
  8, // { X86_REG_R15, "r15" },
  10, // { X86_REG_ST0, "st0" },
  10, // { X86_REG_ST1, "st1" },
  10, // { X86_REG_ST2, "st2" },
  10, // { X86_REG_ST3, "st3" },
  10, // { X86_REG_ST4, "st4" },
  10, // { X86_REG_ST5, "st5" },
  10, // { X86_REG_ST6, "st6" },
  10, // { X86_REG_ST7, "st7" },
  16, // { X86_REG_XMM0, "xmm0" },
  16, // { X86_REG_XMM1, "xmm1" },
  16, // { X86_REG_XMM2, "xmm2" },
  16, // { X86_REG_XMM3, "xmm3" },
  16, // { X86_REG_XMM4, "xmm4" },
  16, // { X86_REG_XMM5, "xmm5" },
  16, // { X86_REG_XMM6, "xmm6" },
  16, // { X86_REG_XMM7, "xmm7" },
  16, // { X86_REG_XMM8, "xmm8" },
  16, // { X86_REG_XMM9, "xmm9" },
  16, // { X86_REG_XMM10, "xmm10" },
  16, // { X86_REG_XMM11, "xmm11" },
  16, // { X86_REG_XMM12, "xmm12" },
  16, // { X86_REG_XMM13, "xmm13" },
  16, // { X86_REG_XMM14, "xmm14" },
  16, // { X86_REG_XMM15, "xmm15" },
  16, // { X86_REG_XMM16, "xmm16" },
  16, // { X86_REG_XMM17, "xmm17" },
  16, // { X86_REG_XMM18, "xmm18" },
  16, // { X86_REG_XMM19, "xmm19" },
  16, // { X86_REG_XMM20, "xmm20" },
  16, // { X86_REG_XMM21, "xmm21" },
  16, // { X86_REG_XMM22, "xmm22" },
  16, // { X86_REG_XMM23, "xmm23" },
  16, // { X86_REG_XMM24, "xmm24" },
  16, // { X86_REG_XMM25, "xmm25" },
  16, // { X86_REG_XMM26, "xmm26" },
  16, // { X86_REG_XMM27, "xmm27" },
  16, // { X86_REG_XMM28, "xmm28" },
  16, // { X86_REG_XMM29, "xmm29" },
  16, // { X86_REG_XMM30, "xmm30" },
  16, // { X86_REG_XMM31, "xmm31" },
  32, // { X86_REG_YMM0, "ymm0" },
  32, // { X86_REG_YMM1, "ymm1" },
  32, // { X86_REG_YMM2, "ymm2" },
  32, // { X86_REG_YMM3, "ymm3" },
  32, // { X86_REG_YMM4, "ymm4" },
  32, // { X86_REG_YMM5, "ymm5" },
  32, // { X86_REG_YMM6, "ymm6" },
  32, // { X86_REG_YMM7, "ymm7" },
  32, // { X86_REG_YMM8, "ymm8" },
  32, // { X86_REG_YMM9, "ymm9" },
  32, // { X86_REG_YMM10, "ymm10" },
  32, // { X86_REG_YMM11, "ymm11" },
  32, // { X86_REG_YMM12, "ymm12" },
  32, // { X86_REG_YMM13, "ymm13" },
  32, // { X86_REG_YMM14, "ymm14" },
  32, // { X86_REG_YMM15, "ymm15" },
  32, // { X86_REG_YMM16, "ymm16" },
  32, // { X86_REG_YMM17, "ymm17" },
  32, // { X86_REG_YMM18, "ymm18" },
  32, // { X86_REG_YMM19, "ymm19" },
  32, // { X86_REG_YMM20, "ymm20" },
  32, // { X86_REG_YMM21, "ymm21" },
  32, // { X86_REG_YMM22, "ymm22" },
  32, // { X86_REG_YMM23, "ymm23" },
  32, // { X86_REG_YMM24, "ymm24" },
  32, // { X86_REG_YMM25, "ymm25" },
  32, // { X86_REG_YMM26, "ymm26" },
  32, // { X86_REG_YMM27, "ymm27" },
  32, // { X86_REG_YMM28, "ymm28" },
  32, // { X86_REG_YMM29, "ymm29" },
  32, // { X86_REG_YMM30, "ymm30" },
  32, // { X86_REG_YMM31, "ymm31" },
  64, // { X86_REG_ZMM0, "zmm0" },
  64, // { X86_REG_ZMM1, "zmm1" },
  64, // { X86_REG_ZMM2, "zmm2" },
  64, // { X86_REG_ZMM3, "zmm3" },
  64, // { X86_REG_ZMM4, "zmm4" },
  64, // { X86_REG_ZMM5, "zmm5" },
  64, // { X86_REG_ZMM6, "zmm6" },
  64, // { X86_REG_ZMM7, "zmm7" },
  64, // { X86_REG_ZMM8, "zmm8" },
  64, // { X86_REG_ZMM9, "zmm9" },
  64, // { X86_REG_ZMM10, "zmm10" },
  64, // { X86_REG_ZMM11, "zmm11" },
  64, // { X86_REG_ZMM12, "zmm12" },
  64, // { X86_REG_ZMM13, "zmm13" },
  64, // { X86_REG_ZMM14, "zmm14" },
  64, // { X86_REG_ZMM15, "zmm15" },
  64, // { X86_REG_ZMM16, "zmm16" },
  64, // { X86_REG_ZMM17, "zmm17" },
  64, // { X86_REG_ZMM18, "zmm18" },
  64, // { X86_REG_ZMM19, "zmm19" },
  64, // { X86_REG_ZMM20, "zmm20" },
  64, // { X86_REG_ZMM21, "zmm21" },
  64, // { X86_REG_ZMM22, "zmm22" },
  64, // { X86_REG_ZMM23, "zmm23" },
  64, // { X86_REG_ZMM24, "zmm24" },
  64, // { X86_REG_ZMM25, "zmm25" },
  64, // { X86_REG_ZMM26, "zmm26" },
  64, // { X86_REG_ZMM27, "zmm27" },
  64, // { X86_REG_ZMM28, "zmm28" },
  64, // { X86_REG_ZMM29, "zmm29" },
  64, // { X86_REG_ZMM30, "zmm30" },
  64, // { X86_REG_ZMM31, "zmm31" },
  1, // { X86_REG_R8B, "r8b" },
  1, // { X86_REG_R9B, "r9b" },
  1, // { X86_REG_R10B, "r10b" },
  1, // { X86_REG_R11B, "r11b" },
  1, // { X86_REG_R12B, "r12b" },
  1, // { X86_REG_R13B, "r13b" },
  1, // { X86_REG_R14B, "r14b" },
  1, // { X86_REG_R15B, "r15b" },
  4, // { X86_REG_R8D, "r8d" },
  4, // { X86_REG_R9D, "r9d" },
  4, // { X86_REG_R10D, "r10d" },
  4, // { X86_REG_R11D, "r11d" },
  4, // { X86_REG_R12D, "r12d" },
  4, // { X86_REG_R13D, "r13d" },
  4, // { X86_REG_R14D, "r14d" },
  4, // { X86_REG_R15D, "r15d" },
  2, // { X86_REG_R8W, "r8w" },
  2, // { X86_REG_R9W, "r9w" },
  2, // { X86_REG_R10W, "r10w" },
  2, // { X86_REG_R11W, "r11w" },
  2, // { X86_REG_R12W, "r12w" },
  2, // { X86_REG_R13W, "r13w" },
  2, // { X86_REG_R14W, "r14w" },
  2, // { X86_REG_R15W, "r15w" },
  16, // { X86_REG_BND0, "bnd0" },
  16, // { X86_REG_BND1, "bnd0" },
  16, // { X86_REG_BND2, "bnd0" },
  16, // { X86_REG_BND3, "bnd0" },
};

const char *X86_reg_name(csh handle, unsigned int reg)
{
#ifndef CAPSTONE_DIET
  cs_struct *ud = (cs_struct *)handle;

  if (reg >= ARR_SIZE(reg_name_maps))
    return NULL;

  if (reg == X86_REG_EFLAGS) {
    if (x86_has_feature(ud->mode, CS_MODE_32))
      return "eflags";
    if (x86_has_feature(ud->mode, CS_MODE_64))
      return "rflags";
  }

  return reg_name_maps[reg].name;
#else
  return NULL;
#endif
}

#ifndef CAPSTONE_DIET
static const char *const insn_name_maps[] = {
  NULL, // X86_INS_INVALID
#ifndef CAPSTONE_X86_REDUCE
#include "X86MappingInsnName.inc"
#else
#include "X86MappingInsnName_reduce.inc"
#endif
};
#endif

// NOTE: insn_name_maps[] is sorted in order
const char *X86_insn_name(csh handle, unsigned int id)
{
#ifndef CAPSTONE_DIET
  if (id >= ARR_SIZE(insn_name_maps))
    return NULL;

  return insn_name_maps[id];
#else
  return NULL;
#endif
}

#ifndef CAPSTONE_DIET
static const name_map group_name_maps[] = {
  // generic groups
  { X86_GRP_INVALID, NULL },
  { X86_GRP_JUMP, "jump" },
  { X86_GRP_CALL, "call" },
  { X86_GRP_RET, "ret" },
  { X86_GRP_INT, "int" },
  { X86_GRP_IRET, "iret" },
  { X86_GRP_PRIVILEGE, "privilege" },
  { X86_GRP_BRANCH_RELATIVE, "branch_relative" },

  // architecture-specific groups
  { X86_GRP_VM, "vm" },
  { X86_GRP_3DNOW, "3dnow" },
  { X86_GRP_AES, "aes" },
  { X86_GRP_ADX, "adx" },
  { X86_GRP_AVX, "avx" },
  { X86_GRP_AVX2, "avx2" },
  { X86_GRP_AVX512, "avx512" },
  { X86_GRP_BMI, "bmi" },
  { X86_GRP_BMI2, "bmi2" },
  { X86_GRP_CMOV, "cmov" },
  { X86_GRP_F16C, "fc16" },
  { X86_GRP_FMA, "fma" },
  { X86_GRP_FMA4, "fma4" },
  { X86_GRP_FSGSBASE, "fsgsbase" },
  { X86_GRP_HLE, "hle" },
  { X86_GRP_MMX, "mmx" },
  { X86_GRP_MODE32, "mode32" },
  { X86_GRP_MODE64, "mode64" },
  { X86_GRP_RTM, "rtm" },
  { X86_GRP_SHA, "sha" },
  { X86_GRP_SSE1, "sse1" },
  { X86_GRP_SSE2, "sse2" },
  { X86_GRP_SSE3, "sse3" },
  { X86_GRP_SSE41, "sse41" },
  { X86_GRP_SSE42, "sse42" },
  { X86_GRP_SSE4A, "sse4a" },
  { X86_GRP_SSSE3, "ssse3" },
  { X86_GRP_PCLMUL, "pclmul" },
  { X86_GRP_XOP, "xop" },
  { X86_GRP_CDI, "cdi" },
  { X86_GRP_ERI, "eri" },
  { X86_GRP_TBM, "tbm" },
  { X86_GRP_16BITMODE, "16bitmode" },
  { X86_GRP_NOT64BITMODE, "not64bitmode" },
  { X86_GRP_SGX, "sgx" },
  { X86_GRP_DQI, "dqi" },
  { X86_GRP_BWI, "bwi" },
  { X86_GRP_PFI, "pfi" },
  { X86_GRP_VLX, "vlx" },
  { X86_GRP_SMAP, "smap" },
  { X86_GRP_NOVLX, "novlx" },
  { X86_GRP_FPU, "fpu" },
};
#endif

const char *X86_group_name(csh handle, unsigned int id)
{
#ifndef CAPSTONE_DIET
  return id2name(group_name_maps, ARR_SIZE(group_name_maps), id);
#else
  return NULL;
#endif
}

#define GET_INSTRINFO_ENUM
#ifdef CAPSTONE_X86_REDUCE
#include "X86GenInstrInfo_reduce.inc"

/// reduce x86 instructions
const insn_map_x86 insns[] = {
#include "X86MappingInsn_reduce.inc"
};
#else
#include "X86GenInstrInfo.inc"

/// full x86 instructions
const insn_map_x86 insns[] = {
#include "X86MappingInsn.inc"
};
#endif

#ifndef CAPSTONE_DIET
// in arr, replace r1 = r2
static void arr_replace(uint16_t *arr, uint8_t max, x86_reg r1, x86_reg r2)
{
  uint8_t i;

  for (i = 0; i < max; i++) {
    if (arr[i] == r1) {
      arr[i] = r2;
      break;
    }
  }
}
#endif

// look for @id in @insns
// return -1 if not found
unsigned int find_insn(unsigned int id)
{
  // binary searching since the IDs are sorted in order
  unsigned int left, right, m;
  unsigned int max = ARR_SIZE(insns);

  right = max - 1;

  if (id < insns[0].id || id > insns[right].id)
    // not found
    return -1;

  left = 0;

  while (left <= right) {
    m = (left + right) / 2;
    if (id == insns[m].id) {
      return m;
    }

    if (id < insns[m].id)
      right = m - 1;
    else
      left = m + 1;
  }

  // not found
  // printf("NOT FOUNDDDDDDDDDDDDDDD id = %u\n", id);
  return -1;
}

static inline unsigned int find_insn_h(cs_struct *h, unsigned int id)
{
  if (h && h->x86_insn_lut && id <= h->x86_insn_lut_max)
    return (unsigned int)(int16_t)h->x86_insn_lut[id];

  return find_insn(id);
}

// given internal insn id, return public instruction info
void X86_get_insn_id(cs_struct *h, cs_insn *insn, unsigned int id)
{
  unsigned int i = find_insn_h(h, id);
  if (i != -1) {
    insn->id = insns[i].mapid;

    if (h->detail_opt) {
#ifndef CAPSTONE_DIET
      cs_mode mode = x86_get_bit_mode(h->mode);
      memcpy(insn->detail->regs_read, insns[i].regs_use,
             sizeof(insns[i].regs_use));
      insn->detail->regs_read_count =
        (uint8_t)count_positive(insns[i].regs_use);

      // special cases when regs_write[] depends on arch
      switch (id) {
      default:
        memcpy(insn->detail->regs_write,
               insns[i].regs_mod,
               sizeof(insns[i].regs_mod));
        insn->detail->regs_write_count =
          (uint8_t)count_positive(
            insns[i].regs_mod);
        break;
      case X86_RDTSC:
        if (mode == CS_MODE_64) {
          memcpy(insn->detail->regs_write,
                 insns[i].regs_mod,
                 sizeof(insns[i].regs_mod));
          insn->detail->regs_write_count =
            (uint8_t)count_positive(
              insns[i].regs_mod);
        } else {
          insn->detail->regs_write[0] =
            X86_REG_EAX;
          insn->detail->regs_write[1] =
            X86_REG_EDX;
          insn->detail->regs_write_count = 2;
        }
        break;
      case X86_RDTSCP:
        if (mode == CS_MODE_64) {
          memcpy(insn->detail->regs_write,
                 insns[i].regs_mod,
                 sizeof(insns[i].regs_mod));
          insn->detail->regs_write_count =
            (uint8_t)count_positive(
              insns[i].regs_mod);
        } else {
          insn->detail->regs_write[0] =
            X86_REG_EAX;
          insn->detail->regs_write[1] =
            X86_REG_ECX;
          insn->detail->regs_write[2] =
            X86_REG_EDX;
          insn->detail->regs_write_count = 3;
        }
        break;
      }
      switch (insn->id) {
      default:
        break;

      case X86_INS_LOOP:
      case X86_INS_LOOPE:
      case X86_INS_LOOPNE:
        // The instruction pointer register follows the mode.
        switch (mode) {
        default:
          break;
        case CS_MODE_16:
          arr_replace(
            insn->detail->regs_read,
            insn->detail->regs_read_count,
            X86_REG_EIP, X86_REG_IP);
          arr_replace(
            insn->detail->regs_write,
            insn->detail->regs_write_count,
            X86_REG_EIP, X86_REG_IP);
          break;
        case CS_MODE_64:
          arr_replace(
            insn->detail->regs_read,
            insn->detail->regs_read_count,
            X86_REG_EIP, X86_REG_RIP);
          arr_replace(
            insn->detail->regs_write,
            insn->detail->regs_write_count,
            X86_REG_EIP, X86_REG_RIP);
          break;
        }
        // The loop counter register follows the effective address
        // size, which a 0x67 address-size prefix can override.
        if (insn->detail->x86.addr_size == 2) {
          arr_replace(
            insn->detail->regs_read,
            insn->detail->regs_read_count,
            X86_REG_ECX, X86_REG_CX);
          arr_replace(
            insn->detail->regs_write,
            insn->detail->regs_write_count,
            X86_REG_ECX, X86_REG_CX);
        } else if (insn->detail->x86.addr_size == 8) {
          arr_replace(
            insn->detail->regs_read,
            insn->detail->regs_read_count,
            X86_REG_ECX, X86_REG_RCX);
          arr_replace(
            insn->detail->regs_write,
            insn->detail->regs_write_count,
            X86_REG_ECX, X86_REG_RCX);
        }
      }

      switch (insn->id) {
      default:
        break;
      case X86_INS_LODSB:
      case X86_INS_LODSD:
      case X86_INS_LODSQ:
      case X86_INS_LODSW:
        switch (mode) {
        default:
          break;
        case CS_MODE_16:
          arr_replace(
            insn->detail->regs_read,
            insn->detail->regs_read_count,
            X86_REG_ESI, X86_REG_SI);
          arr_replace(
            insn->detail->regs_write,
            insn->detail->regs_write_count,
            X86_REG_ESI, X86_REG_SI);
          break;
        case CS_MODE_64:
          arr_replace(
            insn->detail->regs_read,
            insn->detail->regs_read_count,
            X86_REG_ESI, X86_REG_RSI);
          arr_replace(
            insn->detail->regs_write,
            insn->detail->regs_write_count,
            X86_REG_ESI, X86_REG_RSI);
          break;
        }
        break;

      case X86_INS_SCASB:
      case X86_INS_SCASD:
      case X86_INS_SCASW:
      case X86_INS_SCASQ:
      case X86_INS_STOSB:
      case X86_INS_STOSD:
      case X86_INS_STOSQ:
      case X86_INS_STOSW:
        switch (mode) {
        default:
          break;
        case CS_MODE_16:
          arr_replace(
            insn->detail->regs_read,
            insn->detail->regs_read_count,
            X86_REG_EDI, X86_REG_DI);
          arr_replace(
            insn->detail->regs_write,
            insn->detail->regs_write_count,
            X86_REG_EDI, X86_REG_DI);
          break;
        case CS_MODE_64:
          arr_replace(
            insn->detail->regs_read,
            insn->detail->regs_read_count,
            X86_REG_EDI, X86_REG_RDI);
          arr_replace(
            insn->detail->regs_write,
            insn->detail->regs_write_count,
            X86_REG_EDI, X86_REG_RDI);
          break;
        }
        break;

      case X86_INS_CMPSB:
      case X86_INS_CMPSD:
      case X86_INS_CMPSQ:
      case X86_INS_CMPSW:
      case X86_INS_MOVSB:
      case X86_INS_MOVSW:
      case X86_INS_MOVSD:
      case X86_INS_MOVSQ:
        switch (mode) {
        default:
          break;
        case CS_MODE_16:
          arr_replace(
            insn->detail->regs_read,
            insn->detail->regs_read_count,
            X86_REG_EDI, X86_REG_DI);
          arr_replace(
            insn->detail->regs_write,
            insn->detail->regs_write_count,
            X86_REG_EDI, X86_REG_DI);
          arr_replace(
            insn->detail->regs_read,
            insn->detail->regs_read_count,
            X86_REG_ESI, X86_REG_SI);
          arr_replace(
            insn->detail->regs_write,
            insn->detail->regs_write_count,
            X86_REG_ESI, X86_REG_SI);
          break;
        case CS_MODE_64:
          arr_replace(
            insn->detail->regs_read,
            insn->detail->regs_read_count,
            X86_REG_EDI, X86_REG_RDI);
          arr_replace(
            insn->detail->regs_write,
            insn->detail->regs_write_count,
            X86_REG_EDI, X86_REG_RDI);
          arr_replace(
            insn->detail->regs_read,
            insn->detail->regs_read_count,
            X86_REG_ESI, X86_REG_RSI);
          arr_replace(
            insn->detail->regs_write,
            insn->detail->regs_write_count,
            X86_REG_ESI, X86_REG_RSI);
          break;
        }
        break;

      case X86_INS_ENTER:
      case X86_INS_LEAVE:
        switch (mode) {
        default:
          break;
        case CS_MODE_16:
          arr_replace(
            insn->detail->regs_read,
            insn->detail->regs_read_count,
            X86_REG_EBP, X86_REG_BP);
          arr_replace(
            insn->detail->regs_read,
            insn->detail->regs_read_count,
            X86_REG_ESP, X86_REG_SP);
          arr_replace(
            insn->detail->regs_write,
            insn->detail->regs_write_count,
            X86_REG_EBP, X86_REG_BP);
          arr_replace(
            insn->detail->regs_write,
            insn->detail->regs_write_count,
            X86_REG_ESP, X86_REG_SP);
          break;
        case CS_MODE_64:
          arr_replace(
            insn->detail->regs_read,
            insn->detail->regs_read_count,
            X86_REG_EBP, X86_REG_RBP);
          arr_replace(
            insn->detail->regs_read,
            insn->detail->regs_read_count,
            X86_REG_ESP, X86_REG_RSP);
          arr_replace(
            insn->detail->regs_write,
            insn->detail->regs_write_count,
            X86_REG_EBP, X86_REG_RBP);
          arr_replace(
            insn->detail->regs_write,
            insn->detail->regs_write_count,
            X86_REG_ESP, X86_REG_RSP);
        }
        break;

      case X86_INS_INSB:
      case X86_INS_INSW:
      case X86_INS_INSD:
        switch (mode) {
        default:
          break;
        case CS_MODE_16:
          arr_replace(
            insn->detail->regs_read,
            insn->detail->regs_read_count,
            X86_REG_EDI, X86_REG_DI);
          arr_replace(
            insn->detail->regs_write,
            insn->detail->regs_write_count,
            X86_REG_EDI, X86_REG_DI);
          break;
        case CS_MODE_64:
          arr_replace(
            insn->detail->regs_read,
            insn->detail->regs_read_count,
            X86_REG_EDI, X86_REG_RDI);
          arr_replace(
            insn->detail->regs_write,
            insn->detail->regs_write_count,
            X86_REG_EDI, X86_REG_RDI);
          break;
        }
        break;

      case X86_INS_OUTSB:
      case X86_INS_OUTSW:
      case X86_INS_OUTSD:
        switch (mode) {
        default:
          break;
        case CS_MODE_64:
          arr_replace(
            insn->detail->regs_read,
            insn->detail->regs_read_count,
            X86_REG_ESI, X86_REG_RSI);
          arr_replace(
            insn->detail->regs_write,
            insn->detail->regs_write_count,
            X86_REG_ESI, X86_REG_RSI);
          break;
        case CS_MODE_16:
          arr_replace(
            insn->detail->regs_read,
            insn->detail->regs_read_count,
            X86_REG_ESI, X86_REG_SI);
          arr_replace(
            insn->detail->regs_write,
            insn->detail->regs_write_count,
            X86_REG_ESI, X86_REG_SI);
          break;
        }
        break;
      }

      switch (insn->id) {
      default:
        break;
      case X86_INS_LODSB:
      case X86_INS_LODSD:
      case X86_INS_LODSW:
      case X86_INS_CMPSB:
      case X86_INS_CMPSD:
      case X86_INS_CMPSW:
      case X86_INS_MOVSB:
      case X86_INS_MOVSW:
      case X86_INS_MOVSD:
      case X86_INS_OUTSB:
      case X86_INS_OUTSW:
      case X86_INS_OUTSD:
        switch (mode) {
        default:
          break;
        case CS_MODE_16:
        case CS_MODE_32: {
          int pos = insn->detail->regs_read_count;
          insn->detail->regs_read[pos] =
            X86_REG_DS;
          insn->detail->regs_read_count += 1;
        } break;
        }
        break;

      case X86_INS_JMP:
      case X86_INS_LJMP:
        switch (mode) {
        default:
          break;
        case CS_MODE_16:
          arr_replace(
            insn->detail->regs_read,
            insn->detail->regs_read_count,
            X86_REG_EIP, X86_REG_IP);
          arr_replace(
            insn->detail->regs_write,
            insn->detail->regs_write_count,
            X86_REG_EIP, X86_REG_IP);
          break;
        case CS_MODE_64:
          arr_replace(
            insn->detail->regs_read,
            insn->detail->regs_read_count,
            X86_REG_EIP, X86_REG_RIP);
          arr_replace(
            insn->detail->regs_write,
            insn->detail->regs_write_count,
            X86_REG_EIP, X86_REG_RIP);
          break;
        }
        break;

      case X86_INS_SYSENTER: {
        switch (mode) {
        default:
          break;
        case CS_MODE_16:
          arr_replace(
            insn->detail->regs_write,
            insn->detail->regs_write_count,
            X86_REG_EIP, X86_REG_IP);
          arr_replace(
            insn->detail->regs_write,
            insn->detail->regs_write_count,
            X86_REG_ESP, X86_REG_SP);
          break;
        case CS_MODE_64:
          arr_replace(
            insn->detail->regs_write,
            insn->detail->regs_write_count,
            X86_REG_EIP, X86_REG_RIP);
          arr_replace(
            insn->detail->regs_write,
            insn->detail->regs_write_count,
            X86_REG_ESP, X86_REG_RSP);
          break;
        }
        break;
      } break;
      case X86_INS_SYSEXIT: {
        switch (mode) {
        default:
          break;
        case CS_MODE_16:
          arr_replace(
            insn->detail->regs_read,
            insn->detail->regs_read_count,
            X86_REG_ECX, X86_REG_CX);
          arr_replace(
            insn->detail->regs_read,
            insn->detail->regs_read_count,
            X86_REG_EDX, X86_REG_DX);
          arr_replace(
            insn->detail->regs_write,
            insn->detail->regs_write_count,
            X86_REG_EIP, X86_REG_IP);
          arr_replace(
            insn->detail->regs_write,
            insn->detail->regs_write_count,
            X86_REG_ESP, X86_REG_SP);
          break;
        case CS_MODE_64:
          arr_replace(
            insn->detail->regs_read,
            insn->detail->regs_read_count,
            X86_REG_ECX, X86_REG_RCX);
          arr_replace(
            insn->detail->regs_read,
            insn->detail->regs_read_count,
            X86_REG_EDX, X86_REG_RDX);
          arr_replace(
            insn->detail->regs_write,
            insn->detail->regs_write_count,
            X86_REG_EIP, X86_REG_RIP);
          arr_replace(
            insn->detail->regs_write,
            insn->detail->regs_write_count,
            X86_REG_ESP, X86_REG_RSP);
          break;
        }
        break;
      } break;
      }

      memcpy(insn->detail->groups, insns[i].groups,
             sizeof(insns[i].groups));
      insn->detail->groups_count =
        (uint8_t)count_positive8(insns[i].groups);

      if (insns[i].branch || insns[i].indirect_branch) {
        // this insn also belongs to JUMP group. add JUMP group
        insn->detail
          ->groups[insn->detail->groups_count] =
          X86_GRP_JUMP;
        insn->detail->groups_count++;

        switch (mode) {
        default:
          break;
        case CS_MODE_16:
          arr_replace(
            insn->detail->regs_read,
            insn->detail->regs_read_count,
            X86_REG_EIP, X86_REG_IP);
          arr_replace(
            insn->detail->regs_write,
            insn->detail->regs_write_count,
            X86_REG_EIP, X86_REG_IP);
          break;
        case CS_MODE_64:
          arr_replace(
            insn->detail->regs_read,
            insn->detail->regs_read_count,
            X86_REG_EIP, X86_REG_RIP);
          arr_replace(
            insn->detail->regs_write,
            insn->detail->regs_write_count,
            X86_REG_EIP, X86_REG_RIP);
          break;
        }
      }

      switch (insns[i].id) {
      case X86_OUT8ir:
      case X86_OUT16ir:
      case X86_OUT32ir:
        if (insn->detail->x86.operands[0].imm == -78) {
          // Writing to port 0xb2 causes an SMI on most platforms
          // See: http://cs.gmu.edu/~tr-admin/papers/GMU-CS-TR-2011-8.pdf
          insn->detail->groups
            [insn->detail->groups_count] =
            X86_GRP_INT;
          insn->detail->groups_count++;
        }
        break;

      default:
        break;
      }
#endif
    }
  }
}

// map special instructions with accumulate registers.
// this is needed because LLVM embeds these register names into AsmStrs[],
// but not separately in operands
struct insn_reg {
  uint16_t insn;
  x86_reg reg;
  enum cs_ac_type access;
};

struct insn_reg2 {
  uint16_t insn;
  x86_reg reg1, reg2;
  enum cs_ac_type access1, access2;
};

static inline uint16_t pack_insn_reg(x86_reg reg, enum cs_ac_type access)
{
  return (uint16_t)(((unsigned int)access << 12) |
        ((unsigned int)reg & 0x0fff));
}

static inline x86_reg unpack_insn_reg(uint16_t value, enum cs_ac_type *access)
{
  if (access)
    *access = (enum cs_ac_type)(value >> 12);
  return (x86_reg)(value & 0x0fff);
}

static const struct insn_reg insn_regs_att[] = {
  { X86_INSB, X86_REG_DX, CS_AC_READ },
  { X86_INSL, X86_REG_DX, CS_AC_READ },
  { X86_INSW, X86_REG_DX, CS_AC_READ },
  { X86_MOV16o16a, X86_REG_AX, CS_AC_READ },
  { X86_MOV16o32a, X86_REG_AX, CS_AC_READ },
  { X86_MOV16o64a, X86_REG_AX, CS_AC_READ },
  { X86_MOV32o16a, X86_REG_EAX, CS_AC_READ },
  { X86_MOV32o32a, X86_REG_EAX, CS_AC_READ },
  { X86_MOV32o64a, X86_REG_EAX, CS_AC_READ },
  { X86_MOV64o32a, X86_REG_RAX, CS_AC_READ },
  { X86_MOV64o64a, X86_REG_RAX, CS_AC_READ },
  { X86_MOV8o16a, X86_REG_AL, CS_AC_READ },
  { X86_MOV8o32a, X86_REG_AL, CS_AC_READ },
  { X86_MOV8o64a, X86_REG_AL, CS_AC_READ },
  { X86_OUT16ir, X86_REG_AX, CS_AC_READ },
  { X86_OUT32ir, X86_REG_EAX, CS_AC_READ },
  { X86_OUT8ir, X86_REG_AL, CS_AC_READ },
  { X86_POPDS16, X86_REG_DS, CS_AC_WRITE },
  { X86_POPDS32, X86_REG_DS, CS_AC_WRITE },
  { X86_POPES16, X86_REG_ES, CS_AC_WRITE },
  { X86_POPES32, X86_REG_ES, CS_AC_WRITE },
  { X86_POPFS16, X86_REG_FS, CS_AC_WRITE },
  { X86_POPFS32, X86_REG_FS, CS_AC_WRITE },
  { X86_POPFS64, X86_REG_FS, CS_AC_WRITE },
  { X86_POPGS16, X86_REG_GS, CS_AC_WRITE },
  { X86_POPGS32, X86_REG_GS, CS_AC_WRITE },
  { X86_POPGS64, X86_REG_GS, CS_AC_WRITE },
  { X86_POPSS16, X86_REG_SS, CS_AC_WRITE },
  { X86_POPSS32, X86_REG_SS, CS_AC_WRITE },
  { X86_PUSHCS16, X86_REG_CS, CS_AC_READ },
  { X86_PUSHCS32, X86_REG_CS, CS_AC_READ },
  { X86_PUSHDS16, X86_REG_DS, CS_AC_READ },
  { X86_PUSHDS32, X86_REG_DS, CS_AC_READ },
  { X86_PUSHES16, X86_REG_ES, CS_AC_READ },
  { X86_PUSHES32, X86_REG_ES, CS_AC_READ },
  { X86_PUSHFS16, X86_REG_FS, CS_AC_READ },
  { X86_PUSHFS32, X86_REG_FS, CS_AC_READ },
  { X86_PUSHFS64, X86_REG_FS, CS_AC_READ },
  { X86_PUSHGS16, X86_REG_GS, CS_AC_READ },
  { X86_PUSHGS32, X86_REG_GS, CS_AC_READ },
  { X86_PUSHGS64, X86_REG_GS, CS_AC_READ },
  { X86_PUSHSS16, X86_REG_SS, CS_AC_READ },
  { X86_PUSHSS32, X86_REG_SS, CS_AC_READ },
  { X86_RCL16mCL, X86_REG_CL, CS_AC_READ },
  { X86_RCL16rCL, X86_REG_CL, CS_AC_READ },
  { X86_RCL32mCL, X86_REG_CL, CS_AC_READ },
  { X86_RCL32rCL, X86_REG_CL, CS_AC_READ },
  { X86_RCL64mCL, X86_REG_CL, CS_AC_READ },
  { X86_RCL64rCL, X86_REG_CL, CS_AC_READ },
  { X86_RCL8mCL, X86_REG_CL, CS_AC_READ },
  { X86_RCL8rCL, X86_REG_CL, CS_AC_READ },
  { X86_RCR16mCL, X86_REG_CL, CS_AC_READ },
  { X86_RCR16rCL, X86_REG_CL, CS_AC_READ },
  { X86_RCR32mCL, X86_REG_CL, CS_AC_READ },
  { X86_RCR32rCL, X86_REG_CL, CS_AC_READ },
  { X86_RCR64mCL, X86_REG_CL, CS_AC_READ },
  { X86_RCR64rCL, X86_REG_CL, CS_AC_READ },
  { X86_RCR8mCL, X86_REG_CL, CS_AC_READ },
  { X86_RCR8rCL, X86_REG_CL, CS_AC_READ },
  { X86_ROL16mCL, X86_REG_CL, CS_AC_READ },
  { X86_ROL16rCL, X86_REG_CL, CS_AC_READ },
  { X86_ROL32mCL, X86_REG_CL, CS_AC_READ },
  { X86_ROL32rCL, X86_REG_CL, CS_AC_READ },
  { X86_ROL64mCL, X86_REG_CL, CS_AC_READ },
  { X86_ROL64rCL, X86_REG_CL, CS_AC_READ },
  { X86_ROL8mCL, X86_REG_CL, CS_AC_READ },
  { X86_ROL8rCL, X86_REG_CL, CS_AC_READ },
  { X86_ROR16mCL, X86_REG_CL, CS_AC_READ },
  { X86_ROR16rCL, X86_REG_CL, CS_AC_READ },
  { X86_ROR32mCL, X86_REG_CL, CS_AC_READ },
  { X86_ROR32rCL, X86_REG_CL, CS_AC_READ },
  { X86_ROR64mCL, X86_REG_CL, CS_AC_READ },
  { X86_ROR64rCL, X86_REG_CL, CS_AC_READ },
  { X86_ROR8mCL, X86_REG_CL, CS_AC_READ },
  { X86_ROR8rCL, X86_REG_CL, CS_AC_READ },
  { X86_SAL16mCL, X86_REG_CL, CS_AC_READ },
  { X86_SAL16rCL, X86_REG_CL, CS_AC_READ },
  { X86_SAL32mCL, X86_REG_CL, CS_AC_READ },
  { X86_SAL32rCL, X86_REG_CL, CS_AC_READ },
  { X86_SAL64mCL, X86_REG_CL, CS_AC_READ },
  { X86_SAL64rCL, X86_REG_CL, CS_AC_READ },
  { X86_SAL8mCL, X86_REG_CL, CS_AC_READ },
  { X86_SAL8rCL, X86_REG_CL, CS_AC_READ },
  { X86_SAR16mCL, X86_REG_CL, CS_AC_READ },
  { X86_SAR16rCL, X86_REG_CL, CS_AC_READ },
  { X86_SAR32mCL, X86_REG_CL, CS_AC_READ },
  { X86_SAR32rCL, X86_REG_CL, CS_AC_READ },
  { X86_SAR64mCL, X86_REG_CL, CS_AC_READ },
  { X86_SAR64rCL, X86_REG_CL, CS_AC_READ },
  { X86_SAR8mCL, X86_REG_CL, CS_AC_READ },
  { X86_SAR8rCL, X86_REG_CL, CS_AC_READ },
  { X86_SHL16mCL, X86_REG_CL, CS_AC_READ },
  { X86_SHL16rCL, X86_REG_CL, CS_AC_READ },
  { X86_SHL32mCL, X86_REG_CL, CS_AC_READ },
  { X86_SHL32rCL, X86_REG_CL, CS_AC_READ },
  { X86_SHL64mCL, X86_REG_CL, CS_AC_READ },
  { X86_SHL64rCL, X86_REG_CL, CS_AC_READ },
  { X86_SHL8mCL, X86_REG_CL, CS_AC_READ },
  { X86_SHL8rCL, X86_REG_CL, CS_AC_READ },
  { X86_SHLD16mrCL, X86_REG_CL, CS_AC_READ },
  { X86_SHLD16rrCL, X86_REG_CL, CS_AC_READ },
  { X86_SHLD32mrCL, X86_REG_CL, CS_AC_READ },
  { X86_SHLD32rrCL, X86_REG_CL, CS_AC_READ },
  { X86_SHLD64mrCL, X86_REG_CL, CS_AC_READ },
  { X86_SHLD64rrCL, X86_REG_CL, CS_AC_READ },
  { X86_SHR16mCL, X86_REG_CL, CS_AC_READ },
  { X86_SHR16rCL, X86_REG_CL, CS_AC_READ },
  { X86_SHR32mCL, X86_REG_CL, CS_AC_READ },
  { X86_SHR32rCL, X86_REG_CL, CS_AC_READ },
  { X86_SHR64mCL, X86_REG_CL, CS_AC_READ },
  { X86_SHR64rCL, X86_REG_CL, CS_AC_READ },
  { X86_SHR8mCL, X86_REG_CL, CS_AC_READ },
  { X86_SHR8rCL, X86_REG_CL, CS_AC_READ },
  { X86_SHRD16mrCL, X86_REG_CL, CS_AC_READ },
  { X86_SHRD16rrCL, X86_REG_CL, CS_AC_READ },
  { X86_SHRD32mrCL, X86_REG_CL, CS_AC_READ },
  { X86_SHRD32rrCL, X86_REG_CL, CS_AC_READ },
  { X86_SHRD64mrCL, X86_REG_CL, CS_AC_READ },
  { X86_SHRD64rrCL, X86_REG_CL, CS_AC_READ },
  { X86_XCHG16ar, X86_REG_AX, CS_AC_WRITE | CS_AC_READ },
  { X86_XCHG32ar, X86_REG_EAX, CS_AC_WRITE | CS_AC_READ },
  { X86_XCHG64ar, X86_REG_RAX, CS_AC_WRITE | CS_AC_READ },
};

static const struct insn_reg insn_regs_att_extra[] = {
  // dummy entry, to avoid empty array
  { 0, 0 },
#ifndef CAPSTONE_X86_REDUCE
  { X86_ADD_FrST0, X86_REG_ST0, CS_AC_READ },
  { X86_DIVR_FrST0, X86_REG_ST0, CS_AC_READ },
  { X86_DIV_FrST0, X86_REG_ST0, CS_AC_READ },
  { X86_FNSTSW16r, X86_REG_AX, CS_AC_READ },
  { X86_MUL_FrST0, X86_REG_ST0, CS_AC_READ },
  { X86_SKINIT, X86_REG_EAX, CS_AC_READ },
  { X86_SUBR_FrST0, X86_REG_ST0, CS_AC_READ },
  { X86_SUB_FrST0, X86_REG_ST0, CS_AC_READ },
  { X86_VMLOAD32, X86_REG_EAX, CS_AC_READ },
  { X86_VMLOAD64, X86_REG_RAX, CS_AC_READ },
  { X86_VMRUN32, X86_REG_EAX, CS_AC_READ },
  { X86_VMRUN64, X86_REG_RAX, CS_AC_READ },
  { X86_VMSAVE32, X86_REG_EAX, CS_AC_READ },
  { X86_VMSAVE64, X86_REG_RAX, CS_AC_READ },
#endif
};

static const struct insn_reg insn_regs_intel[] = {
  { X86_ADC16i16, X86_REG_AX, CS_AC_WRITE | CS_AC_READ },
  { X86_ADC32i32, X86_REG_EAX, CS_AC_WRITE | CS_AC_READ },
  { X86_ADC64i32, X86_REG_RAX, CS_AC_WRITE | CS_AC_READ },
  { X86_ADC8i8, X86_REG_AL, CS_AC_WRITE | CS_AC_READ },
  { X86_ADD16i16, X86_REG_AX, CS_AC_WRITE | CS_AC_READ },
  { X86_ADD32i32, X86_REG_EAX, CS_AC_WRITE | CS_AC_READ },
  { X86_ADD64i32, X86_REG_RAX, CS_AC_WRITE | CS_AC_READ },
  { X86_ADD8i8, X86_REG_AL, CS_AC_WRITE | CS_AC_READ },
  { X86_AND16i16, X86_REG_AX, CS_AC_WRITE | CS_AC_READ },
  { X86_AND32i32, X86_REG_EAX, CS_AC_WRITE | CS_AC_READ },
  { X86_AND64i32, X86_REG_RAX, CS_AC_WRITE | CS_AC_READ },
  { X86_AND8i8, X86_REG_AL, CS_AC_WRITE | CS_AC_READ },
  { X86_CMP16i16, X86_REG_AX, CS_AC_WRITE | CS_AC_READ },
  { X86_CMP32i32, X86_REG_EAX, CS_AC_WRITE | CS_AC_READ },
  { X86_CMP64i32, X86_REG_RAX, CS_AC_WRITE | CS_AC_READ },
  { X86_CMP8i8, X86_REG_AL, CS_AC_WRITE | CS_AC_READ },
  { X86_IN16ri, X86_REG_AX, CS_AC_WRITE },
  { X86_IN32ri, X86_REG_EAX, CS_AC_WRITE },
  { X86_IN8ri, X86_REG_AL, CS_AC_WRITE },
  { X86_LODSB, X86_REG_AL, CS_AC_WRITE },
  { X86_LODSL, X86_REG_EAX, CS_AC_WRITE },
  { X86_LODSQ, X86_REG_RAX, CS_AC_WRITE },
  { X86_LODSW, X86_REG_AX, CS_AC_WRITE },
  { X86_MOV16ao16, X86_REG_AX,
    CS_AC_WRITE }, // 16-bit A1 1020                  // mov     ax, word ptr [0x2010]
  { X86_MOV16ao32, X86_REG_AX,
    CS_AC_WRITE }, // 32-bit A1 10203040              // mov     ax, word ptr [0x40302010]
  { X86_MOV16ao64, X86_REG_AX,
    CS_AC_WRITE }, // 64-bit 66 A1 1020304050607080   // movabs  ax, word ptr [0x8070605040302010]
  { X86_MOV32ao16, X86_REG_EAX,
    CS_AC_WRITE }, // 32-bit 67 A1 1020               // mov     eax, dword ptr [0x2010]
  { X86_MOV32ao32, X86_REG_EAX,
    CS_AC_WRITE }, // 32-bit A1 10203040              // mov     eax, dword ptr [0x40302010]
  { X86_MOV32ao64, X86_REG_EAX,
    CS_AC_WRITE }, // 64-bit A1 1020304050607080      // movabs  eax, dword ptr [0x8070605040302010]
  { X86_MOV64ao32, X86_REG_RAX,
    CS_AC_WRITE }, // 64-bit 48 8B04 10203040         // mov     rax, qword ptr [0x40302010]
  { X86_MOV64ao64, X86_REG_RAX,
    CS_AC_WRITE }, // 64-bit 48 A1 1020304050607080   // movabs  rax, qword ptr [0x8070605040302010]
  { X86_MOV8ao16, X86_REG_AL,
    CS_AC_WRITE }, // 16-bit A0 1020                  // mov     al, byte ptr [0x2010]
  { X86_MOV8ao32, X86_REG_AL,
    CS_AC_WRITE }, // 32-bit A0 10203040              // mov     al, byte ptr [0x40302010]
  { X86_MOV8ao64, X86_REG_AL,
    CS_AC_WRITE }, // 64-bit 66 A0 1020304050607080   // movabs  al, byte ptr [0x8070605040302010]
  { X86_OR16i16, X86_REG_AX, CS_AC_WRITE | CS_AC_READ },
  { X86_OR32i32, X86_REG_EAX, CS_AC_WRITE | CS_AC_READ },
  { X86_OR64i32, X86_REG_RAX, CS_AC_WRITE | CS_AC_READ },
  { X86_OR8i8, X86_REG_AL, CS_AC_WRITE | CS_AC_READ },
  { X86_OUTSB, X86_REG_DX, CS_AC_WRITE },
  { X86_OUTSL, X86_REG_DX, CS_AC_WRITE },
  { X86_OUTSW, X86_REG_DX, CS_AC_WRITE },
  { X86_POPDS16, X86_REG_DS, CS_AC_WRITE },
  { X86_POPDS32, X86_REG_DS, CS_AC_WRITE },
  { X86_POPES16, X86_REG_ES, CS_AC_WRITE },
  { X86_POPES32, X86_REG_ES, CS_AC_WRITE },
  { X86_POPFS16, X86_REG_FS, CS_AC_WRITE },
  { X86_POPFS32, X86_REG_FS, CS_AC_WRITE },
  { X86_POPFS64, X86_REG_FS, CS_AC_WRITE },
  { X86_POPGS16, X86_REG_GS, CS_AC_WRITE },
  { X86_POPGS32, X86_REG_GS, CS_AC_WRITE },
  { X86_POPGS64, X86_REG_GS, CS_AC_WRITE },
  { X86_POPSS16, X86_REG_SS, CS_AC_WRITE },
  { X86_POPSS32, X86_REG_SS, CS_AC_WRITE },
  { X86_PUSHCS16, X86_REG_CS, CS_AC_READ },
  { X86_PUSHCS32, X86_REG_CS, CS_AC_READ },
  { X86_PUSHDS16, X86_REG_DS, CS_AC_READ },
  { X86_PUSHDS32, X86_REG_DS, CS_AC_READ },
  { X86_PUSHES16, X86_REG_ES, CS_AC_READ },
  { X86_PUSHES32, X86_REG_ES, CS_AC_READ },
  { X86_PUSHFS16, X86_REG_FS, CS_AC_READ },
  { X86_PUSHFS32, X86_REG_FS, CS_AC_READ },
  { X86_PUSHFS64, X86_REG_FS, CS_AC_READ },
  { X86_PUSHGS16, X86_REG_GS, CS_AC_READ },
  { X86_PUSHGS32, X86_REG_GS, CS_AC_READ },
  { X86_PUSHGS64, X86_REG_GS, CS_AC_READ },
  { X86_PUSHSS16, X86_REG_SS, CS_AC_READ },
  { X86_PUSHSS32, X86_REG_SS, CS_AC_READ },
  { X86_SBB16i16, X86_REG_AX, CS_AC_WRITE | CS_AC_READ },
  { X86_SBB32i32, X86_REG_EAX, CS_AC_WRITE | CS_AC_READ },
  { X86_SBB64i32, X86_REG_RAX, CS_AC_WRITE | CS_AC_READ },
  { X86_SBB8i8, X86_REG_AL, CS_AC_WRITE | CS_AC_READ },
  { X86_SCASB, X86_REG_AL, CS_AC_WRITE | CS_AC_READ },
  { X86_SCASL, X86_REG_EAX, CS_AC_WRITE | CS_AC_READ },
  { X86_SCASQ, X86_REG_RAX, CS_AC_WRITE | CS_AC_READ },
  { X86_SCASW, X86_REG_AX, CS_AC_WRITE | CS_AC_READ },
  { X86_SUB16i16, X86_REG_AX, CS_AC_WRITE | CS_AC_READ },
  { X86_SUB32i32, X86_REG_EAX, CS_AC_WRITE | CS_AC_READ },
  { X86_SUB64i32, X86_REG_RAX, CS_AC_WRITE | CS_AC_READ },
  { X86_SUB8i8, X86_REG_AL, CS_AC_WRITE | CS_AC_READ },
  { X86_TEST16i16, X86_REG_AX, CS_AC_WRITE | CS_AC_READ },
  { X86_TEST32i32, X86_REG_EAX, CS_AC_WRITE | CS_AC_READ },
  { X86_TEST64i32, X86_REG_RAX, CS_AC_WRITE | CS_AC_READ },
  { X86_TEST8i8, X86_REG_AL, CS_AC_WRITE | CS_AC_READ },
  { X86_XOR16i16, X86_REG_AX, CS_AC_WRITE | CS_AC_READ },
  { X86_XOR32i32, X86_REG_EAX, CS_AC_WRITE | CS_AC_READ },
  { X86_XOR64i32, X86_REG_RAX, CS_AC_WRITE | CS_AC_READ },
  { X86_XOR8i8, X86_REG_AL, CS_AC_WRITE | CS_AC_READ },
};

static const struct insn_reg insn_regs_intel_extra[] = {
  // dummy entry, to avoid empty array
  { 0, 0, 0 },
#ifndef CAPSTONE_X86_REDUCE
  { X86_CMOVBE_F, X86_REG_ST0, CS_AC_WRITE },
  { X86_CMOVB_F, X86_REG_ST0, CS_AC_WRITE },
  { X86_CMOVE_F, X86_REG_ST0, CS_AC_WRITE },
  { X86_CMOVNBE_F, X86_REG_ST0, CS_AC_WRITE },
  { X86_CMOVNB_F, X86_REG_ST0, CS_AC_WRITE },
  { X86_CMOVNE_F, X86_REG_ST0, CS_AC_WRITE },
  { X86_CMOVNP_F, X86_REG_ST0, CS_AC_WRITE },
  { X86_CMOVP_F, X86_REG_ST0, CS_AC_WRITE },
  // { X86_COMP_FST0r, X86_REG_ST0, CS_AC_WRITE },
  // { X86_COM_FST0r, X86_REG_ST0, CS_AC_WRITE },
  { X86_FNSTSW16r, X86_REG_AX, CS_AC_WRITE },
  { X86_SKINIT, X86_REG_EAX, CS_AC_WRITE },
  { X86_VMLOAD32, X86_REG_EAX, CS_AC_WRITE },
  { X86_VMLOAD64, X86_REG_RAX, CS_AC_WRITE },
  { X86_VMRUN32, X86_REG_EAX, CS_AC_WRITE },
  { X86_VMRUN64, X86_REG_RAX, CS_AC_WRITE },
  { X86_VMSAVE32, X86_REG_EAX, CS_AC_READ },
  { X86_VMSAVE64, X86_REG_RAX, CS_AC_READ },
  { X86_XCH_F, X86_REG_ST0, CS_AC_WRITE },
#endif
};

static const struct insn_reg2 insn_regs_intel2[] = {
  { X86_IN16rr, X86_REG_AX, X86_REG_DX, CS_AC_WRITE, CS_AC_READ },
  { X86_IN32rr, X86_REG_EAX, X86_REG_DX, CS_AC_WRITE, CS_AC_READ },
  { X86_IN8rr, X86_REG_AL, X86_REG_DX, CS_AC_WRITE, CS_AC_READ },
  { X86_INVLPGA32, X86_REG_EAX, X86_REG_ECX, CS_AC_READ, CS_AC_READ },
  { X86_INVLPGA64, X86_REG_RAX, X86_REG_ECX, CS_AC_READ, CS_AC_READ },
  { X86_OUT16rr, X86_REG_DX, X86_REG_AX, CS_AC_READ, CS_AC_READ },
  { X86_OUT32rr, X86_REG_DX, X86_REG_EAX, CS_AC_READ, CS_AC_READ },
  { X86_OUT8rr, X86_REG_DX, X86_REG_AL, CS_AC_READ, CS_AC_READ },
};

static int binary_search1(const struct insn_reg *insns, unsigned int max,
        unsigned int id)
{
  unsigned int first, last, mid;

  first = 0;
  last = max - 1;

  if (insns[0].insn > id || insns[last].insn < id) {
    // not found
    return -1;
  }

  while (first <= last) {
    mid = (first + last) / 2;
    if (insns[mid].insn < id) {
      first = mid + 1;
    } else if (insns[mid].insn == id) {
      return mid;
    } else {
      if (mid == 0)
        break;
      last = mid - 1;
    }
  }

  // not found
  return -1;
}

static int binary_search2(const struct insn_reg2 *insns, unsigned int max,
        unsigned int id)
{
  unsigned int first, last, mid;

  first = 0;
  last = max - 1;

  if (insns[0].insn > id || insns[last].insn < id) {
    // not found
    return -1;
  }

  while (first <= last) {
    mid = (first + last) / 2;
    if (insns[mid].insn < id) {
      first = mid + 1;
    } else if (insns[mid].insn == id) {
      return mid;
    } else {
      if (mid == 0)
        break;
      last = mid - 1;
    }
  }

  // not found
  return -1;
}

void X86_build_lookup_tables(cs_struct *h)
{
  unsigned int i;
  unsigned int max = ARR_SIZE(insns);
  unsigned int id_max;

  CS_ASSERT_RET(h && !h->x86_insn_lut);

  id_max = insns[max - 1].id;
  h->x86_insn_lut_max = id_max;
  h->x86_insn_lut =
    (uint16_t *)cs_mem_malloc((id_max + 1) * sizeof(uint16_t));
  CS_ASSERT_RET(h->x86_insn_lut);

  memset(h->x86_insn_lut, 0xff, (id_max + 1) * sizeof(uint16_t));
  for (i = 0; i < max; i++)
    h->x86_insn_lut[insns[i].id] = (uint16_t)i;

  h->x86_insn_reg_lut =
    (uint32_t *)cs_mem_calloc(id_max + 1, sizeof(uint32_t));
  if (!h->x86_insn_reg_lut)
    return;

  for (i = 0; i < ARR_SIZE(insn_regs_intel); i++) {
    unsigned int insn_id = insn_regs_intel[i].insn;
    if (insn_id <= id_max)
      h->x86_insn_reg_lut[insn_id] =
        (h->x86_insn_reg_lut[insn_id] & 0xffff0000) |
        pack_insn_reg(insn_regs_intel[i].reg,
                insn_regs_intel[i].access);
  }

  for (i = 0; i < ARR_SIZE(insn_regs_intel_extra); i++) {
    unsigned int insn_id = insn_regs_intel_extra[i].insn;
    if (insn_id && insn_id <= id_max &&
        !(h->x86_insn_reg_lut[insn_id] & 0xffff))
      h->x86_insn_reg_lut[insn_id] =
        (h->x86_insn_reg_lut[insn_id] & 0xffff0000) |
        pack_insn_reg(insn_regs_intel_extra[i].reg,
                insn_regs_intel_extra[i].access);
  }

  for (i = 0; i < ARR_SIZE(insn_regs_att); i++) {
    unsigned int insn_id = insn_regs_att[i].insn;
    if (insn_id <= id_max)
      h->x86_insn_reg_lut[insn_id] =
        (h->x86_insn_reg_lut[insn_id] & 0x0000ffff) |
        ((uint32_t)pack_insn_reg(insn_regs_att[i].reg,
               insn_regs_att[i].access)
         << 16);
  }

  for (i = 0; i < ARR_SIZE(insn_regs_att_extra); i++) {
    unsigned int insn_id = insn_regs_att_extra[i].insn;
    if (insn_id && insn_id <= id_max &&
        !(h->x86_insn_reg_lut[insn_id] >> 16))
      h->x86_insn_reg_lut[insn_id] =
        (h->x86_insn_reg_lut[insn_id] & 0x0000ffff) |
        ((uint32_t)pack_insn_reg(
           insn_regs_att_extra[i].reg,
           insn_regs_att_extra[i].access)
         << 16);
  }
}

// return register of given instruction id
// return 0 if not found
// this is to handle instructions embedding accumulate registers into AsmStrs[]
x86_reg X86_insn_reg_intel(unsigned int id, enum cs_ac_type *access)
{
  int i;

  i = binary_search1(insn_regs_intel, ARR_SIZE(insn_regs_intel), id);
  if (i != -1) {
    if (access) {
      *access = insn_regs_intel[i].access;
    }
    return insn_regs_intel[i].reg;
  }

  i = binary_search1(insn_regs_intel_extra,
         ARR_SIZE(insn_regs_intel_extra), id);
  if (i != -1) {
    if (access) {
      *access = insn_regs_intel_extra[i].access;
    }
    return insn_regs_intel_extra[i].reg;
  }

  // not found
  return 0;
}

x86_reg X86_insn_reg_intel_h(cs_struct *h, unsigned int id,
           enum cs_ac_type *access)
{
  if (h && h->x86_insn_reg_lut && id <= h->x86_insn_lut_max) {
    uint16_t value = (uint16_t)(h->x86_insn_reg_lut[id] & 0xffff);
    if (value)
      return unpack_insn_reg(value, access);
    return 0;
  }

  return X86_insn_reg_intel(id, access);
}

bool X86_insn_reg_intel2(unsigned int id, x86_reg *reg1,
       enum cs_ac_type *access1, x86_reg *reg2,
       enum cs_ac_type *access2)
{
  int i = binary_search2(insn_regs_intel2, ARR_SIZE(insn_regs_intel2),
             id);
  if (i != -1) {
    *reg1 = insn_regs_intel2[i].reg1;
    *reg2 = insn_regs_intel2[i].reg2;
    if (access1)
      *access1 = insn_regs_intel2[i].access1;
    if (access2)
      *access2 = insn_regs_intel2[i].access2;
    return true;
  }

  // not found
  return false;
}

x86_reg X86_insn_reg_att(unsigned int id, enum cs_ac_type *access)
{
  int i;

  i = binary_search1(insn_regs_att, ARR_SIZE(insn_regs_att), id);
  if (i != -1) {
    if (access)
      *access = insn_regs_att[i].access;
    return insn_regs_att[i].reg;
  }

  i = binary_search1(insn_regs_att_extra, ARR_SIZE(insn_regs_att_extra),
         id);
  if (i != -1) {
    if (access)
      *access = insn_regs_att_extra[i].access;
    return insn_regs_att_extra[i].reg;
  }

  // not found
  return 0;
}

x86_reg X86_insn_reg_att_h(cs_struct *h, unsigned int id,
         enum cs_ac_type *access)
{
  if (h && h->x86_insn_reg_lut && id <= h->x86_insn_lut_max) {
    uint16_t value = (uint16_t)(h->x86_insn_reg_lut[id] >> 16);
    if (value)
      return unpack_insn_reg(value, access);
    return 0;
  }

  return X86_insn_reg_att(id, access);
}

// ATT just reuses Intel data, but with the order of registers reversed
bool X86_insn_reg_att2(unsigned int id, x86_reg *reg1, enum cs_ac_type *access1,
           x86_reg *reg2, enum cs_ac_type *access2)
{
  int i = binary_search2(insn_regs_intel2, ARR_SIZE(insn_regs_intel2),
             id);
  if (i != -1) {
    *reg1 = insn_regs_intel2[i].reg2;
    *reg2 = insn_regs_intel2[i].reg1;
    if (access1)
      *access1 = insn_regs_intel2[i].access2;
    if (access2)
      *access2 = insn_regs_intel2[i].access1;
    return true;
  }

  // not found
  return false;
}

// given MCInst's id, find out if this insn is valid for REPNE prefix
static bool valid_repne(cs_struct *h, unsigned int opcode)
{
  unsigned int id;
  unsigned int i = find_insn_h(h, opcode);
  if (i != -1) {
    id = insns[i].mapid;
    switch (id) {
    default:
      return false;

    case X86_INS_CMPSB:
    case X86_INS_CMPSS:
    case X86_INS_CMPSW:
    case X86_INS_CMPSQ:

    case X86_INS_SCASB:
    case X86_INS_SCASW:
    case X86_INS_SCASQ:

    case X86_INS_MOVSB:
    case X86_INS_MOVSS:
    case X86_INS_MOVSW:
    case X86_INS_MOVSQ:

    case X86_INS_LODSB:
    case X86_INS_LODSW:
    case X86_INS_LODSD:
    case X86_INS_LODSQ:

    case X86_INS_STOSB:
    case X86_INS_STOSW:
    case X86_INS_STOSD:
    case X86_INS_STOSQ:

    case X86_INS_INSB:
    case X86_INS_INSW:
    case X86_INS_INSD:

    case X86_INS_OUTSB:
    case X86_INS_OUTSW:
    case X86_INS_OUTSD:

      return true;

    case X86_INS_MOVSD:
      if (opcode == X86_MOVSW) // REP MOVSB
        return true;
      else if (opcode == X86_MOVSL) // REP MOVSD
        return true;
      return false;

    case X86_INS_CMPSD:
      if (opcode == X86_CMPSL) // REP CMPSD
        return true;
      return false;

    case X86_INS_SCASD:
      if (opcode == X86_SCASL) // REP SCASD
        return true;
      return false;
    }
  }

  // not found
  return false;
}

// given MCInst's id, find out if this insn is valid for BND prefix
// BND prefix is valid for CALL/JMP/RET
#ifndef CAPSTONE_DIET
static bool valid_bnd(cs_struct *h, unsigned int opcode)
{
  unsigned int id;
  unsigned int i = find_insn_h(h, opcode);
  if (i != -1) {
    id = insns[i].mapid;
    switch (id) {
    default:
      return false;

    case X86_INS_JAE:
    case X86_INS_JA:
    case X86_INS_JBE:
    case X86_INS_JB:
    case X86_INS_JCXZ:
    case X86_INS_JECXZ:
    case X86_INS_JE:
    case X86_INS_JGE:
    case X86_INS_JG:
    case X86_INS_JLE:
    case X86_INS_JL:
    case X86_INS_JMP:
    case X86_INS_JNE:
    case X86_INS_JNO:
    case X86_INS_JNP:
    case X86_INS_JNS:
    case X86_INS_JO:
    case X86_INS_JP:
    case X86_INS_JRCXZ:
    case X86_INS_JS:

    case X86_INS_CALL:
    case X86_INS_RET:
    case X86_INS_RETF:
    case X86_INS_RETFQ:
      return true;
    }
  }

  // not found
  return false;
}
#endif

// given MCInst's id, find out if this insn is valid for REP prefix
static bool valid_rep(cs_struct *h, unsigned int opcode)
{
  unsigned int id;
  unsigned int i = find_insn_h(h, opcode);
  if (i != -1) {
    id = insns[i].mapid;
    switch (id) {
    default:
      return false;

    case X86_INS_MOVSB:
    case X86_INS_MOVSW:
    case X86_INS_MOVSQ:

    case X86_INS_LODSB:
    case X86_INS_LODSW:
    case X86_INS_LODSQ:

    case X86_INS_STOSB:
    case X86_INS_STOSW:
    case X86_INS_STOSQ:

    case X86_INS_INSB:
    case X86_INS_INSW:
    case X86_INS_INSD:

    case X86_INS_OUTSB:
    case X86_INS_OUTSW:
    case X86_INS_OUTSD:
      return true;

    // following are some confused instructions, which have the same
    // mnemonics in 128bit media instructions. Intel is horribly crazy!
    case X86_INS_MOVSD:
      if (opcode == X86_MOVSL) // REP MOVSD
        return true;
      return false;

    case X86_INS_LODSD:
      if (opcode == X86_LODSL) // REP LODSD
        return true;
      return false;

    case X86_INS_STOSD:
      if (opcode == X86_STOSL) // REP STOSD
        return true;
      return false;
    }
  }

  // not found
  return false;
}

#ifndef CAPSTONE_DIET
// given MCInst's id, find if this is a "repz ret" instruction
// gcc generates "repz ret" (f3 c3) instructions in some cases as an
// optimization for AMD platforms, see:
// https://gcc.gnu.org/legacy-ml/gcc-patches/2003-05/msg02117.html
static bool valid_ret_repz(cs_struct *h, unsigned int opcode)
{
  unsigned int id;
  unsigned int i = find_insn_h(h, opcode);

  if (i != -1) {
    id = insns[i].mapid;
    return id == X86_INS_RET;
  }

  // not found
  return false;
}
#endif

// given MCInst's id, find out if this insn is valid for REPE prefix
static bool valid_repe(cs_struct *h, unsigned int opcode)
{
  unsigned int id;
  unsigned int i = find_insn_h(h, opcode);
  if (i != -1) {
    id = insns[i].mapid;
    switch (id) {
    default:
      return false;

    case X86_INS_CMPSB:
    case X86_INS_CMPSW:
    case X86_INS_CMPSQ:

    case X86_INS_SCASB:
    case X86_INS_SCASW:
    case X86_INS_SCASQ:
      return true;

    // following are some confused instructions, which have the same
    // mnemonics in 128bit media instructions. Intel is horribly crazy!
    case X86_INS_CMPSD:
      if (opcode == X86_CMPSL) // REP CMPSD
        return true;
      return false;

    case X86_INS_SCASD:
      if (opcode == X86_SCASL) // REP SCASD
        return true;
      return false;
    }
  }

  // not found
  return false;
}

// Given MCInst's id, find out if this insn is valid for NOTRACK prefix.
// NOTRACK prefix is valid for CALL/JMP.
static bool valid_notrack(cs_struct *h, unsigned int opcode)
{
  unsigned int id;
  unsigned int i = find_insn_h(h, opcode);
  if (i != -1) {
    id = insns[i].mapid;
    switch (id) {
    default:
      return false;
    case X86_INS_CALL:
    case X86_INS_JMP:
      return true;
    }
  }

  // not found
  return false;
}

#ifndef CAPSTONE_DIET
// add *CX register to regs_read[] & regs_write[]
static void add_cx(MCInst *MI)
{
  if (MI->csh->detail_opt) {
    x86_reg cx;

    if (x86_has_feature(MI->csh->mode, CS_MODE_16))
      cx = X86_REG_CX;
    else if (x86_has_feature(MI->csh->mode, CS_MODE_32))
      cx = X86_REG_ECX;
    else // 64-bit
      cx = X86_REG_RCX;

    MI->flat_insn->detail
      ->regs_read[MI->flat_insn->detail->regs_read_count] =
      cx;
    MI->flat_insn->detail->regs_read_count++;

    MI->flat_insn->detail
      ->regs_write[MI->flat_insn->detail->regs_write_count] =
      cx;
    MI->flat_insn->detail->regs_write_count++;
  }
}
#endif

// return true if we patch the mnemonic
bool X86_lockrep(MCInst *MI, SStream *O)
{
  unsigned int opcode;
  bool res = false;

#ifndef CAPSTONE_DIET
  switch (MI->xAcquireRelease) {
  case 0xF2:
    SStream_concat(O, "xacquire|");
    break;
  case 0xF3:
    SStream_concat(O, "xrelease|");
    break;
  default:
    break;
  }
#endif

  if (MI->xAcquireRelease) {
    if (MI->x86Lock) {
      // Force LOCK prefix as group 0 prefix for XACQUIRE and XRELEASE if a LOCK is also present.
      // This is an arbitrary choice, since there are effectively two group 0 prefixes present.
      // The Intel SDM is not clear on how we should interpret group 0 in this case. It states:
      // "it is only useful to include up to one prefix code from each of the four groups"
      // ...and then defines instructions where both an F2/F3 and F0 are useful anyway.
      MI->x86_prefix[0] = 0xF0;
    }
  } else {
    switch (MI->x86_prefix[0]) {
    case 0xF2:
      opcode = MCInst_getOpcode(MI);
#ifndef CAPSTONE_DIET
      if (valid_repne(MI->csh, opcode)) {
        SStream_concat(O, "repne|");
        add_cx(MI);
      } else if (valid_bnd(MI->csh, opcode)) {
        SStream_concat(O, "bnd|");
      } else {
        // invalid prefix
        MI->x86_prefix[0] = 0;
      }
#else
      if (!valid_repne(MI->csh, opcode)) {
        MI->x86_prefix[0] = 0;
      }
#endif
      break;
    case 0xF3:
      opcode = MCInst_getOpcode(MI);
#ifndef CAPSTONE_DIET
      if (valid_rep(MI->csh, opcode)) {
        SStream_concat(O, "rep|");
        add_cx(MI);
      } else if (valid_repe(MI->csh, opcode)) {
        SStream_concat(O, "repe|");
        add_cx(MI);
      } else if (valid_ret_repz(MI->csh, opcode)) {
        SStream_concat(O, "repz|");
      } else {
        // invalid prefix
        MI->x86_prefix[0] = 0;
      }
#else
      if (!valid_rep(MI->csh, opcode) &&
          !valid_repe(MI->csh, opcode)) {
        MI->x86_prefix[0] = 0;
      }
#endif
      break;
    default:
      break;
    }
  }

  // LOCK and F2/F3 may both be present (for XACQUIRE/XRELEASE).
  // There are also XRELEASEs that can be LOCKless.
  if (MI->x86Lock) {
    SStream_concat(O, "lock|");
  }

  switch (MI->x86_prefix[1]) {
  default:
    break;
  case 0x3e:
    opcode = MCInst_getOpcode(MI);
    if (valid_notrack(MI->csh, opcode)) {
      SStream_concat(O, "notrack|");
    }
    break;
  }

  // copy normalized prefix[] back to x86.prefix[]
  if (MI->csh->detail_opt)
    memcpy(MI->flat_insn->detail->x86.prefix, MI->x86_prefix,
           ARR_SIZE(MI->x86_prefix));

  return res;
}

void op_addReg(MCInst *MI, int reg)
{
  if (MI->csh->detail_opt) {
    MI->flat_insn->detail->x86
      .operands[MI->flat_insn->detail->x86.op_count]
      .type = X86_OP_REG;
    MI->flat_insn->detail->x86
      .operands[MI->flat_insn->detail->x86.op_count]
      .reg = reg;
    MI->flat_insn->detail->x86
      .operands[MI->flat_insn->detail->x86.op_count]
      .size = MI->csh->regsize_map[reg];
    MI->flat_insn->detail->x86.op_count++;
  }

  if (MI->op1_size == 0)
    MI->op1_size = MI->csh->regsize_map[reg];
}

void op_addImm(MCInst *MI, int v)
{
  if (MI->csh->detail_opt) {
    MI->flat_insn->detail->x86
      .operands[MI->flat_insn->detail->x86.op_count]
      .type = X86_OP_IMM;
    MI->flat_insn->detail->x86
      .operands[MI->flat_insn->detail->x86.op_count]
      .imm = v;
    // if op_count > 0, then this operand's size is taken from the destination op
    if (MI->csh->syntax != CS_OPT_SYNTAX_ATT) {
      if (MI->flat_insn->detail->x86.op_count > 0)
        MI->flat_insn->detail->x86
          .operands[MI->flat_insn->detail->x86
                .op_count]
          .size =
          MI->flat_insn->detail->x86.operands[0]
            .size;
      else
        MI->flat_insn->detail->x86
          .operands[MI->flat_insn->detail->x86
                .op_count]
          .size = MI->imm_size;
    } else
      MI->has_imm = true;
    MI->flat_insn->detail->x86.op_count++;
  }

  if (MI->op1_size == 0)
    MI->op1_size = MI->imm_size;
}

void op_addXopCC(MCInst *MI, int v)
{
  if (MI->csh->detail_opt) {
    MI->flat_insn->detail->x86.xop_cc = v;
  }
}

void op_addSseCC(MCInst *MI, int v)
{
  if (MI->csh->detail_opt) {
    MI->flat_insn->detail->x86.sse_cc = v;
  }
}

void op_addAvxCC(MCInst *MI, int v)
{
  if (MI->csh->detail_opt) {
    MI->flat_insn->detail->x86.avx_cc = v;
  }
}

void op_addAvxRoundingMode(MCInst *MI, int v)
{
  if (MI->csh->detail_opt) {
    MI->flat_insn->detail->x86.avx_rm = v;
  }
}

// below functions supply details to X86GenAsmWriter*.inc
void op_addAvxZeroOpmask(MCInst *MI)
{
  if (MI->csh->detail_opt) {
    // link with the previous operand
    MI->flat_insn->detail->x86
      .operands[MI->flat_insn->detail->x86.op_count - 1]
      .avx_zero_opmask = true;
  }
}

void op_addAvxSae(MCInst *MI)
{
  if (MI->csh->detail_opt) {
    MI->flat_insn->detail->x86.avx_sae = true;
  }
}

void op_addAvxBroadcast(MCInst *MI, x86_avx_bcast v)
{
  if (MI->csh->detail_opt) {
    // link with the previous operand
    MI->flat_insn->detail->x86
      .operands[MI->flat_insn->detail->x86.op_count - 1]
      .avx_bcast = v;
  }
}

#ifndef CAPSTONE_DIET
// map instruction to its characteristics
typedef struct insn_op {
  uint64_t flags; // how this instruction update EFLAGS(arithmetic instructions) of FPU FLAGS(for FPU instructions)
  uint8_t access[6];
} insn_op;

static const insn_op insn_ops[] = {
#ifdef CAPSTONE_X86_REDUCE
#include "X86MappingInsnOp_reduce.inc"
#else
#include "X86MappingInsnOp.inc"
#endif
};

// given internal insn id, return operand access info
const uint8_t *X86_get_op_access(cs_struct *h, unsigned int id,
         uint64_t *eflags)
{
  unsigned int i = find_insn_h(h, id);
  if (i != -1) {
    *eflags = insn_ops[i].flags;
    return insn_ops[i].access;
  }

  return NULL;
}

void X86_reg_access(const cs_insn *insn, cs_regs regs_read,
        uint8_t *regs_read_count, cs_regs regs_write,
        uint8_t *regs_write_count)
{
  uint8_t i;
  uint8_t read_count, write_count;
  cs_x86 *x86 = &(insn->detail->x86);

  read_count = insn->detail->regs_read_count;
  write_count = insn->detail->regs_write_count;

  // implicit registers
  memcpy(regs_read, insn->detail->regs_read,
         read_count * sizeof(insn->detail->regs_read[0]));
  memcpy(regs_write, insn->detail->regs_write,
         write_count * sizeof(insn->detail->regs_write[0]));

  // explicit registers
  for (i = 0; i < x86->op_count; i++) {
    cs_x86_op *op = &(x86->operands[i]);
    switch ((int)op->type) {
    case X86_OP_REG:
      if ((op->access & CS_AC_READ) &&
          !arr_exist(regs_read, read_count, op->reg)) {
        regs_read[read_count] = op->reg;
        read_count++;
      }
      if ((op->access & CS_AC_WRITE) &&
          !arr_exist(regs_write, write_count, op->reg)) {
        regs_write[write_count] = op->reg;
        write_count++;
      }
      break;
    case X86_OP_MEM:
      // registers appeared in memory references always being read
      if ((op->mem.segment != X86_REG_INVALID)) {
        regs_read[read_count] = op->mem.segment;
        read_count++;
      }
      if ((op->mem.base != X86_REG_INVALID) &&
          !arr_exist(regs_read, read_count, op->mem.base)) {
        regs_read[read_count] = op->mem.base;
        read_count++;
      }
      if ((op->mem.index != X86_REG_INVALID) &&
          !arr_exist(regs_read, read_count, op->mem.index)) {
        regs_read[read_count] = op->mem.index;
        read_count++;
      }
    default:
      break;
    }
  }

  *regs_read_count = read_count;
  *regs_write_count = write_count;
}
#endif

// map immediate size to instruction id
// this array is sorted for binary searching
static const struct size_id {
  uint8_t enc_size;
  uint8_t size;
  uint16_t id;
} x86_imm_size[] = {
#include "X86ImmSize.inc"
};

// given the instruction name, return the size of its immediate operand (or 0)
uint8_t X86_immediate_size(unsigned int id, uint8_t *enc_size)
{
  // binary searching since the IDs are sorted in order
  unsigned int left, right, m;

  right = ARR_SIZE(x86_imm_size) - 1;

  if (id < x86_imm_size[0].id || id > x86_imm_size[right].id)
    // not found
    return 0;

  left = 0;

  while (left <= right) {
    m = (left + right) / 2;
    if (id == x86_imm_size[m].id) {
      if (enc_size != NULL)
        *enc_size = x86_imm_size[m].enc_size;

      return x86_imm_size[m].size;
    }

    if (id > x86_imm_size[m].id)
      left = m + 1;
    else {
      if (m == 0)
        break;
      right = m - 1;
    }
  }

  // not found
  return 0;
}

#define GET_REGINFO_ENUM
#include "X86GenRegisterInfo.inc"

// map internal register id to public register id
static const struct register_map {
  unsigned short id;
  unsigned short pub_id;
} reg_map[] = {
  // first dummy map
  { 0, 0 },
#include "X86MappingReg.inc"
};

// return 0 on invalid input, or public register ID otherwise
// NOTE: reg_map is sorted in order of internal register
unsigned short X86_register_map(unsigned short id)
{
  if (id < ARR_SIZE(reg_map))
    return reg_map[id].pub_id;

  return 0;
}

/// The post-printer function. Used to fixup flaws in the disassembly information
/// of certain instructions.
void X86_postprinter(csh handle, cs_insn *insn, SStream *mnem, MCInst *mci)
{
  if (!insn || !insn->detail) {
    return;
  }
  switch (insn->id) {
  default:
    break;
  case X86_INS_RCL:
    // Addmissing 1 immediate
    if (insn->detail->x86.op_count > 1) {
      return;
    }
    insn->detail->x86.operands[1].imm = 1;
    insn->detail->x86.operands[1].type = X86_OP_IMM;
    insn->detail->x86.operands[1].access = CS_AC_READ;
    insn->detail->x86.op_count++;
    break;
  }
}

#endif

Coverage Report

Created: 2026-09-28 06:34