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fuchsia / third_party / capstone / refs/heads/upstream/next / . / arch / X86 / X86Mapping.c
blob: 46ecfcb77bdaae50ca130a38d0d0f5b07c982750 [file] [log] [blame]
/* 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 (ud->mode & CS_MODE_32)
return "eflags";
if (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"
const insn_map_x86 insns[] = { // reduce x86 instructions
#include "X86MappingInsn_reduce.inc"
};
#else
#include "X86GenInstrInfo.inc"
const insn_map_x86 insns[] = { // full x86 instructions
#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;
}
// 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(id);
if (i != -1) {
insn->id = insns[i].mapid;
if (h->detail_opt) {
#ifndef CAPSTONE_DIET
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 (h->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 (h->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:
switch(h->mode) {
default: break;
case CS_MODE_16:
insn->detail->regs_read[0] = X86_REG_CX;
insn->detail->regs_read_count = 1;
insn->detail->regs_write[0] = X86_REG_CX;
insn->detail->regs_write_count = 1;
break;
case CS_MODE_32:
insn->detail->regs_read[0] = X86_REG_ECX;
insn->detail->regs_read_count = 1;
insn->detail->regs_write[0] = X86_REG_ECX;
insn->detail->regs_write_count = 1;
break;
case CS_MODE_64:
insn->detail->regs_read[0] = X86_REG_RCX;
insn->detail->regs_read_count = 1;
insn->detail->regs_write[0] = X86_REG_RCX;
insn->detail->regs_write_count = 1;
break;
}
// LOOPE & LOOPNE also read EFLAGS
if (insn->id != X86_INS_LOOP) {
insn->detail->regs_read[1] = X86_REG_EFLAGS;
insn->detail->regs_read_count = 2;
}
break;
case X86_INS_LODSB:
case X86_INS_LODSD:
case X86_INS_LODSQ:
case X86_INS_LODSW:
switch(h->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_SCASW:
case X86_INS_SCASQ:
case X86_INS_STOSB:
case X86_INS_STOSD:
case X86_INS_STOSQ:
case X86_INS_STOSW:
switch(h->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(h->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_RET:
switch(h->mode) {
case CS_MODE_16:
insn->detail->regs_write[0] = X86_REG_SP;
insn->detail->regs_read[0] = X86_REG_SP;
break;
case CS_MODE_32:
insn->detail->regs_write[0] = X86_REG_ESP;
insn->detail->regs_read[0] = X86_REG_ESP;
break;
default: // 64-bit
insn->detail->regs_write[0] = X86_REG_RSP;
insn->detail->regs_read[0] = X86_REG_RSP;
break;
}
insn->detail->regs_write_count = 1;
insn->detail->regs_read_count = 1;
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 (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 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_RCL16rCL, X86_REG_CL, CS_AC_READ },
{ X86_RCL32rCL, X86_REG_CL, CS_AC_READ },
{ X86_RCL64rCL, X86_REG_CL, CS_AC_READ },
{ X86_RCL8rCL, X86_REG_CL, CS_AC_READ },
{ X86_RCR16rCL, X86_REG_CL, CS_AC_READ },
{ X86_RCR32rCL, X86_REG_CL, CS_AC_READ },
{ X86_RCR64rCL, X86_REG_CL, CS_AC_READ },
{ X86_RCR8rCL, X86_REG_CL, CS_AC_READ },
{ X86_ROL16rCL, X86_REG_CL, CS_AC_READ },
{ X86_ROL32rCL, X86_REG_CL, CS_AC_READ },
{ X86_ROL64rCL, X86_REG_CL, CS_AC_READ },
{ X86_ROL8rCL, X86_REG_CL, CS_AC_READ },
{ X86_ROR16rCL, X86_REG_CL, CS_AC_READ },
{ X86_ROR32rCL, X86_REG_CL, CS_AC_READ },
{ X86_ROR64rCL, X86_REG_CL, CS_AC_READ },
{ X86_ROR8rCL, X86_REG_CL, CS_AC_READ },
{ X86_SAL16rCL, X86_REG_CL, CS_AC_READ },
{ X86_SAL32rCL, X86_REG_CL, CS_AC_READ },
{ X86_SAL64rCL, X86_REG_CL, CS_AC_READ },
{ X86_SAL8rCL, X86_REG_CL, CS_AC_READ },
{ X86_SAR16rCL, X86_REG_CL, CS_AC_READ },
{ X86_SAR32rCL, X86_REG_CL, CS_AC_READ },
{ X86_SAR64rCL, X86_REG_CL, CS_AC_READ },
{ X86_SAR8rCL, X86_REG_CL, CS_AC_READ },
{ X86_SHL16rCL, X86_REG_CL, CS_AC_READ },
{ X86_SHL32rCL, X86_REG_CL, CS_AC_READ },
{ X86_SHL64rCL, 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_SHR16rCL, X86_REG_CL, CS_AC_READ },
{ X86_SHR32rCL, X86_REG_CL, CS_AC_READ },
{ X86_SHR64rCL, 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;
}
// 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;
}
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;
}
// 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(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;
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(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;
}
// return true if the opcode is XCHG [mem]
static bool xchg_mem(unsigned int opcode)
{
switch(opcode) {
default:
return false;
case X86_XCHG8rm:
case X86_XCHG16rm:
case X86_XCHG32rm:
case X86_XCHG64rm:
return true;
}
}
#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(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(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(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(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 (MI->csh->mode & CS_MODE_16)
cx = X86_REG_CX;
else if (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;
switch(MI->x86_prefix[0]) {
default:
break;
case 0xf0:
#ifndef CAPSTONE_DIET
if (MI->xAcquireRelease == 0xf2)
SStream_concat(O, "xacquire|lock|");
else if (MI->xAcquireRelease == 0xf3)
SStream_concat(O, "xrelease|lock|");
else
SStream_concat(O, "lock|");
#endif
break;
case 0xf2: // repne
opcode = MCInst_getOpcode(MI);
#ifndef CAPSTONE_DIET // only care about memonic in standard (non-diet) mode
if (xchg_mem(opcode) && MI->xAcquireRelease) {
SStream_concat(O, "xacquire|");
} else 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;
// handle special cases
#ifndef CAPSTONE_X86_REDUCE
#if 0
if (opcode == X86_MULPDrr) {
MCInst_setOpcode(MI, X86_MULSDrr);
SStream_concat0(O, "mulsd\t");
res = true;
}
#endif
#endif
}
#else // diet mode -> only patch opcode in special cases
if (!valid_repne(MI->csh, opcode)) {
MI->x86_prefix[0] = 0;
}
#ifndef CAPSTONE_X86_REDUCE
#if 0
// handle special cases
if (opcode == X86_MULPDrr) {
MCInst_setOpcode(MI, X86_MULSDrr);
}
#endif
#endif
#endif
break;
case 0xf3:
opcode = MCInst_getOpcode(MI);
#ifndef CAPSTONE_DIET // only care about memonic in standard (non-diet) mode
if (xchg_mem(opcode) && MI->xAcquireRelease) {
SStream_concat(O, "xrelease|");
} else 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;
// handle special cases
#ifndef CAPSTONE_X86_REDUCE
#if 0
// FIXME: remove this special case?
if (opcode == X86_MULPDrr) {
MCInst_setOpcode(MI, X86_MULSSrr);
SStream_concat0(O, "mulss\t");
res = true;
}
#endif
#endif
}
#else // diet mode -> only patch opcode in special cases
if (!valid_rep(MI->csh, opcode) && !valid_repe(MI->csh, opcode)) {
MI->x86_prefix[0] = 0;
}
#ifndef CAPSTONE_X86_REDUCE
#if 0
// handle special cases
// FIXME: remove this special case?
if (opcode == X86_MULPDrr) {
MCInst_setOpcode(MI, X86_MULSSrr);
}
#endif
#endif
#endif
break;
}
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(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, char *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