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HLMetaModOfficial/core/sourcehook/sourcehook_hookmangen_x86.h

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/* ======== SourceHook ========
* vim: set ts=4 :
* Copyright (C) 2004-2010 AlliedModders LLC. All rights reserved.
* No warranties of any kind
*
* License: zlib/libpng
*
* from the SourcePawn JIT SDK
* ============================
*/
#ifndef __SOURCEHOOK_HOOKMANGEN_X86_H__
#define __SOURCEHOOK_HOOKMANGEN_X86_H__
#include <limits.h>
#undef REG_EAX
#undef REG_ECX
#undef REG_EDX
#undef REG_EBX
#undef REG_ESP
#undef REG_SIB
#undef REG_EBP
#undef REG_ESI
#undef REG_EDI
//MOD R/M
#define MOD_MEM_REG 0
#define MOD_DISP8 1
#define MOD_DISP32 2
#define MOD_REG 3
//SIB
#define NOSCALE 0
#define SCALE2 1
#define SCALE4 2
#define SCALE8 3
//Register codes
#define REG_EAX 0
#define REG_ECX 1
#define REG_EDX 2
#define REG_EBX 3
#define REG_ESP 4
#define REG_SIB 4
#define REG_NOIDX 4
#define REG_IMM_BASE 5
#define REG_EBP 5
#define REG_ESI 6
#define REG_EDI 7
#define IA32_16BIT_PREFIX 0x66
//condition codes (for example, Jcc opcodes)
#define CC_B 0x2
#define CC_NAE CC_B
#define CC_NB 0x3
#define CC_AE CC_NB
#define CC_E 0x4
#define CC_Z CC_E
#define CC_NE 0x5
#define CC_NZ CC_NE
#define CC_NA 0x6
#define CC_BE CC_NA
#define CC_A 0x7
#define CC_NBE CC_A
#define CC_L 0xC
#define CC_NGE CC_L
#define CC_NL 0xD
#define CC_GE CC_NL
#define CC_NG 0xE
#define CC_LE CC_NG
#define CC_G 0xF
#define CC_NLE CC_G
//Opcodes with encoding information
#define IA32_XOR_RM_REG 0x31 // encoding is /r
#define IA32_XOR_REG_RM 0x33 // encoding is /r
#define IA32_XOR_EAX_IMM32 0x35 // encoding is /r
#define IA32_XOR_RM_IMM32 0x81 // encoding is /6
#define IA32_XOR_RM_IMM8 0x83 // encoding is /6
#define IA32_ADD_RM_REG 0x01 // encoding is /r
#define IA32_ADD_REG_RM 0x03 // encoding is /r
#define IA32_ADD_RM_IMM32 0x81 // encoding is /0
#define IA32_ADD_RM_IMM8 0x83 // encoding is /0
#define IA32_ADD_EAX_IMM32 0x05 // no extra encoding
#define IA32_SUB_RM_REG 0x29 // encoding is /r
#define IA32_SUB_REG_RM 0x2B // encoding is /r
#define IA32_SUB_RM_IMM8 0x83 // encoding is /5 <imm8>
#define IA32_SUB_RM_IMM32 0x81 // encoding is /5 <imm32>
#define IA32_SBB_REG_RM 0x1B // encoding is /r
#define IA32_SBB_RM_IMM8 0x83 // encoding is <imm32>
#define IA32_JMP_IMM32 0xE9 // encoding is imm32
#define IA32_JMP_IMM8 0xEB // encoding is imm8
#define IA32_JMP_RM 0xFF // encoding is /4
#define IA32_CALL_IMM32 0xE8 // relative call, <imm32>
#define IA32_CALL_RM 0xFF // encoding is /2
#define IA32_MOV_REG_IMM 0xB8 // encoding is +r <imm32>
#define IA32_MOV_RM8_REG 0x88 // encoding is /r
#define IA32_MOV_RM_REG 0x89 // encoding is /r
#define IA32_MOV_REG_RM 0x8B // encoding is /r
#define IA32_MOV_REG8_RM8 0x8A // encoding is /r
#define IA32_MOV_RM8_REG8 0x88 // encoding is /r
#define IA32_MOV_RM_IMM32 0xC7 // encoding is /0
#define IA32_CMP_RM_IMM32 0x81 // encoding is /7 <imm32>
#define IA32_CMP_RM_IMM8 0x83 // encoding is /7 <imm8>
#define IA32_CMP_AL_IMM32 0x3C // no extra encoding
#define IA32_CMP_EAX_IMM32 0x3D // no extra encoding
#define IA32_CMP_RM_REG 0x39 // encoding is /r
#define IA32_CMP_REG_RM 0x3B // encoding is /r
#define IA32_CMPSB 0xA6 // no extra encoding
#define IA32_TEST_RM_REG8 0x84 // encoding is /r
#define IA32_TEST_RM_REG 0x85 // encoding is /r
#define IA32_TEST_RM_IMM32 0xF7 // encoding is /0 <imm32>
#define IA32_JCC_IMM 0x70 // encoding is +cc <imm8>
#define IA32_JCC_IMM32_1 0x0F // opcode part 1
#define IA32_JCC_IMM32_2 0x80 // encoding is +cc <imm32>
#define IA32_RET 0xC3 // no extra encoding
#define IA32_RETN 0xC2 // encoding is <imm16>
#define IA32_NEG_RM 0xF7 // encoding is /3
#define IA32_INC_REG 0x40 // encoding is +r
#define IA32_INC_RM 0xFF // encoding is /0
#define IA32_DEC_REG 0x48 // encoding is +r
#define IA32_DEC_RM 0xFF // encoding is /1
#define IA32_OR_REG_RM 0x0B // encoding is /r
#define IA32_AND_REG_RM 0x23 // encoding is /r
#define IA32_AND_EAX_IMM32 0x25 // encoding is <imm32>
#define IA32_AND_RM_IMM32 0x81 // encoding is /4
#define IA32_AND_RM_IMM8 0x83 // encoding is /4
#define IA32_NOT_RM 0xF7 // encoding is /2
#define IA32_DIV_RM 0xF7 // encoding is /6
#define IA32_MUL_RM 0xF7 // encoding is /4
#define IA32_IDIV_RM 0xF7 // encoding is /7
#define IA32_IMUL_RM 0xF7 // encoding is /5
#define IA32_IMUL_REG_IMM32 0x69 // encoding is /r
#define IA32_IMUL_REG_IMM8 0x6B // encoding is /r
#define IA32_IMUL_REG_RM_1 0x0F // encoding is _2
#define IA32_IMUL_REG_RM_2 0xAF // encoding is /r
#define IA32_SHR_RM_IMM8 0xC1 // encoding is /5 <ib>
#define IA32_SHR_RM_1 0xD1 // encoding is /5
#define IA32_SHL_RM_IMM8 0xC1 // encoding is /4 <ib>
#define IA32_SHL_RM_1 0xD1 // encoding is /4
#define IA32_SAR_RM_CL 0xD3 // encoding is /7
#define IA32_SAR_RM_1 0xD1 // encoding is /7
#define IA32_SHR_RM_CL 0xD3 // encoding is /5
#define IA32_SHL_RM_CL 0xD3 // encoding is /4
#define IA32_SAR_RM_IMM8 0xC1 // encoding is /7 <ib>
#define IA32_SETCC_RM8_1 0x0F // opcode part 1
#define IA32_SETCC_RM8_2 0x90 // encoding is +cc /0 (8bits)
#define IA32_CMOVCC_RM_1 0x0F // opcode part 1
#define IA32_CMOVCC_RM_2 0x40 // encoding is +cc /r
#define IA32_XCHG_EAX_REG 0x90 // encoding is +r
#define IA32_LEA_REG_MEM 0x8D // encoding is /r
#define IA32_POP_REG 0x58 // encoding is +r
#define IA32_PUSH_REG 0x50 // encoding is +r
#define IA32_PUSH_RM 0xFF // encoding is /6
#define IA32_PUSH_IMM32 0x68 // encoding is <imm32>
#define IA32_PUSH_IMM8 0x6A // encoding is <imm8>
#define IA32_REP 0xF3 // no extra encoding
#define IA32_MOVSD 0xA5 // no extra encoding
#define IA32_MOVSB 0xA4 // no extra encoding
#define IA32_STOSD 0xAB // no extra encoding
#define IA32_CLD 0xFC // no extra encoding
#define IA32_PUSHAD 0x60 // no extra encoding
#define IA32_POPAD 0x61 // no extra encoding
#define IA32_NOP 0x90 // no extra encoding
#define IA32_INT3 0xCC // no extra encoding
#define IA32_FSTP_MEM32 0xD9 // encoding is /3
#define IA32_FSTP_MEM64 0xDD // encoding is /3
#define IA32_FLD_MEM32 0xD9 // encoding is /0
#define IA32_FLD_MEM64 0xDD // encoding is /0
#define IA32_FILD_MEM32 0xDB // encoding is /0
#define IA32_FADD_MEM32 0xD8 // encoding is /0
#define IA32_FADD_FPREG_ST0_1 0xDC // opcode part 1
#define IA32_FADD_FPREG_ST0_2 0xC0 // encoding is +r
#define IA32_FSUB_MEM32 0xD8 // encoding is /4
#define IA32_FMUL_MEM32 0xD8 // encoding is /1
#define IA32_FDIV_MEM32 0xD8 // encoding is /6
#define IA32_FSTCW_MEM16_1 0x9B // opcode part 1
#define IA32_FSTCW_MEM16_2 0xD9 // encoding is /7
#define IA32_FLDCW_MEM16 0xD9 // encoding is /5
#define IA32_FISTP_MEM32 0xDB // encoding is /3
#define IA32_FUCOMIP_1 0xDF // opcode part 1
#define IA32_FUCOMIP_2 0xE8 // encoding is +r
#define IA32_FSTP_FPREG_1 0xDD // opcode part 1
#define IA32_FSTP_FPREG_2 0xD8 // encoding is +r
#define IA32_MOVZX_R32_RM8_1 0x0F // opcode part 1
#define IA32_MOVZX_R32_RM8_2 0xB6 // encoding is /r
#define IA32_MOVZX_R32_RM16_1 0x0F // opcode part 1
#define IA32_MOVZX_R32_RM16_2 0xB7 // encoding is /r
namespace SourceHook
{
namespace Impl
{
typedef GenBuffer JitWriter;
inline jit_uint8_t ia32_modrm(jit_uint8_t mode, jit_uint8_t reg, jit_uint8_t rm)
{
jit_uint8_t modrm = (mode << 6);
modrm |= (reg << 3);
modrm |= (rm);
return modrm;
}
//mode is the scaling method - NOSCALE ... SCALE8
//index is the register that is scaled
//base is the base register
inline jit_uint8_t ia32_sib(jit_uint8_t mode, jit_uint8_t index, jit_uint8_t base)
{
jit_uint8_t sib = (mode << 6);
sib |= (index << 3);
sib |= (base);
return sib;
}
inline void IA32_Int3(JitWriter *jit)
{
jit->write_ubyte(IA32_INT3);
}
/***********************
* INCREMENT/DECREMENT *
***********************/
inline void IA32_Inc_Reg(JitWriter *jit, jit_uint8_t reg)
{
jit->write_ubyte(IA32_INC_REG+reg);
}
inline void IA32_Inc_Rm_Disp8(JitWriter *jit, jit_uint8_t reg, jit_int8_t disp)
{
jit->write_ubyte(IA32_INC_RM);
jit->write_ubyte(ia32_modrm(MOD_DISP8, 0, reg));
jit->write_byte(disp);
}
inline void IA32_Inc_Rm_Disp32(JitWriter *jit, jit_uint8_t reg, jit_int32_t disp)
{
jit->write_ubyte(IA32_INC_RM);
jit->write_ubyte(ia32_modrm(MOD_DISP32, 0, reg));
jit->write_int32(disp);
}
inline void IA32_Inc_Rm_Disp_Reg(JitWriter *jit, jit_uint8_t base, jit_uint8_t reg, jit_uint8_t scale)
{
jit->write_ubyte(IA32_INC_RM);
jit->write_ubyte(ia32_modrm(MOD_MEM_REG, 0, REG_SIB));
jit->write_ubyte(ia32_sib(scale, reg, base));
}
inline void IA32_Dec_Reg(JitWriter *jit, jit_uint8_t reg)
{
jit->write_ubyte(IA32_DEC_REG+reg);
}
inline void IA32_Dec_Rm_Disp8(JitWriter *jit, jit_uint8_t reg, jit_int8_t disp)
{
jit->write_ubyte(IA32_DEC_RM);
jit->write_ubyte(ia32_modrm(MOD_DISP8, 1, reg));
jit->write_byte(disp);
}
inline void IA32_Dec_Rm_Disp32(JitWriter *jit, jit_uint8_t reg, jit_int32_t disp)
{
jit->write_ubyte(IA32_DEC_RM);
jit->write_ubyte(ia32_modrm(MOD_DISP32, 1, reg));
jit->write_int32(disp);
}
inline void IA32_Dec_Rm_Disp_Reg(JitWriter *jit, jit_uint8_t base, jit_uint8_t reg, jit_uint8_t scale)
{
jit->write_ubyte(IA32_DEC_RM);
jit->write_ubyte(ia32_modrm(MOD_MEM_REG, 1, REG_SIB));
jit->write_ubyte(ia32_sib(scale, reg, base));
}
/****************
* BINARY LOGIC *
****************/
inline void IA32_Xor_Rm_Reg(JitWriter *jit, jit_uint8_t dest, jit_uint8_t src, jit_uint8_t dest_mode)
{
jit->write_ubyte(IA32_XOR_RM_REG);
jit->write_ubyte(ia32_modrm(dest_mode, src, dest));
}
inline void IA32_Xor_Reg_Rm(JitWriter *jit, jit_uint8_t dest, jit_uint8_t src, jit_uint8_t dest_mode)
{
jit->write_ubyte(IA32_XOR_REG_RM);
jit->write_ubyte(ia32_modrm(dest_mode, dest, src));
}
inline void IA32_Xor_Rm_Imm8(JitWriter *jit, jit_uint8_t reg, jit_uint8_t mode, jit_int8_t value)
{
jit->write_ubyte(IA32_XOR_RM_IMM8);
jit->write_ubyte(ia32_modrm(mode, 6, reg));
jit->write_byte(value);
}
inline void IA32_Xor_Rm_Imm32(JitWriter *jit, jit_uint8_t reg, jit_uint8_t mode, jit_int32_t value)
{
jit->write_ubyte(IA32_XOR_RM_IMM32);
jit->write_ubyte(ia32_modrm(mode, 6, reg));
jit->write_int32(value);
}
inline void IA32_Xor_Eax_Imm32(JitWriter *jit, jit_int32_t value)
{
jit->write_ubyte(IA32_XOR_EAX_IMM32);
jit->write_int32(value);
}
inline void IA32_Neg_Rm(JitWriter *jit, jit_uint8_t reg, jit_uint8_t mode)
{
jit->write_ubyte(IA32_NEG_RM);
jit->write_ubyte(ia32_modrm(mode, 3, reg));
}
inline void IA32_Or_Reg_Rm(JitWriter *jit, jit_uint8_t dest, jit_uint8_t src, jit_uint8_t mode)
{
jit->write_ubyte(IA32_OR_REG_RM);
jit->write_ubyte(ia32_modrm(mode, dest, src));
}
inline void IA32_And_Reg_Rm(JitWriter *jit, jit_uint8_t dest, jit_uint8_t src, jit_uint8_t mode)
{
jit->write_ubyte(IA32_AND_REG_RM);
jit->write_ubyte(ia32_modrm(mode, dest, src));
}
inline void IA32_And_Rm_Imm32(JitWriter *jit, jit_uint8_t reg, jit_uint8_t mode, jit_int32_t value)
{
jit->write_ubyte(IA32_AND_RM_IMM32);
jit->write_ubyte(ia32_modrm(mode, 4, reg));
jit->write_int32(value);
}
inline void IA32_And_Rm_Imm8(JitWriter *jit, jit_uint8_t reg, jit_uint8_t mode, jit_int8_t value)
{
jit->write_ubyte(IA32_AND_RM_IMM8);
jit->write_ubyte(ia32_modrm(mode, 4, reg));
jit->write_byte(value);
}
inline void IA32_And_Eax_Imm32(JitWriter *jit, jit_int32_t value)
{
jit->write_ubyte(IA32_AND_EAX_IMM32);
jit->write_int32(value);
}
inline void IA32_Not_Rm(JitWriter *jit, jit_uint8_t reg, jit_uint8_t mode)
{
jit->write_ubyte(IA32_NOT_RM);
jit->write_ubyte(ia32_modrm(mode, 2, reg));
}
inline void IA32_Shr_Rm_Imm8(JitWriter *jit, jit_uint8_t dest, jit_uint8_t value, jit_uint8_t mode)
{
jit->write_ubyte(IA32_SHR_RM_IMM8);
jit->write_ubyte(ia32_modrm(mode, 5, dest));
jit->write_ubyte(value);
}
inline void IA32_Shr_Rm_1(JitWriter *jit, jit_uint8_t dest, jit_uint8_t mode)
{
jit->write_ubyte(IA32_SHR_RM_1);
jit->write_ubyte(ia32_modrm(mode, 5, dest));
}
inline void IA32_Shl_Rm_Imm8(JitWriter *jit, jit_uint8_t dest, jit_uint8_t value, jit_uint8_t mode)
{
jit->write_ubyte(IA32_SHL_RM_IMM8);
jit->write_ubyte(ia32_modrm(mode, 4, dest));
jit->write_ubyte(value);
}
inline void IA32_Shl_Rm_1(JitWriter *jit, jit_uint8_t dest, jit_uint8_t mode)
{
jit->write_ubyte(IA32_SHL_RM_1);
jit->write_ubyte(ia32_modrm(mode, 4, dest));
}
inline void IA32_Sar_Rm_Imm8(JitWriter *jit, jit_uint8_t dest, jit_uint8_t value, jit_uint8_t mode)
{
jit->write_ubyte(IA32_SAR_RM_IMM8);
jit->write_ubyte(ia32_modrm(mode, 7, dest));
jit->write_ubyte(value);
}
inline void IA32_Sar_Rm_CL(JitWriter *jit, jit_uint8_t reg, jit_uint8_t mode)
{
jit->write_ubyte(IA32_SAR_RM_CL);
jit->write_ubyte(ia32_modrm(mode, 7, reg));
}
inline void IA32_Sar_Rm_1(JitWriter *jit, jit_uint8_t dest, jit_uint8_t mode)
{
jit->write_ubyte(IA32_SAR_RM_1);
jit->write_ubyte(ia32_modrm(mode, 7, dest));
}
inline void IA32_Shr_Rm_CL(JitWriter *jit, jit_uint8_t reg, jit_uint8_t mode)
{
jit->write_ubyte(IA32_SHR_RM_CL);
jit->write_ubyte(ia32_modrm(mode, 5, reg));
}
inline void IA32_Shl_Rm_CL(JitWriter *jit, jit_uint8_t reg, jit_uint8_t mode)
{
jit->write_ubyte(IA32_SHL_RM_CL);
jit->write_ubyte(ia32_modrm(mode, 4, reg));
}
inline void IA32_Xchg_Eax_Reg(JitWriter *jit, jit_uint8_t reg)
{
jit->write_ubyte(IA32_XCHG_EAX_REG+reg);
}
/**********************
* ARITHMETIC (BASIC) *
**********************/
inline void IA32_Add_Rm_Reg(JitWriter *jit, jit_uint8_t dest, jit_uint8_t src, jit_uint8_t mode)
{
jit->write_ubyte(IA32_ADD_RM_REG);
jit->write_ubyte(ia32_modrm(mode, src, dest));
}
inline void IA32_Add_Reg_Rm(JitWriter *jit, jit_uint8_t dest, jit_uint8_t src, jit_uint8_t mode)
{
jit->write_ubyte(IA32_ADD_REG_RM);
jit->write_ubyte(ia32_modrm(mode, dest, src));
}
inline void IA32_Add_Rm_Imm8(JitWriter *jit, jit_uint8_t reg, jit_int8_t value, jit_uint8_t mode)
{
jit->write_ubyte(IA32_ADD_RM_IMM8);
jit->write_ubyte(ia32_modrm(mode, 0, reg));
jit->write_byte(value);
}
inline void IA32_Add_Rm_Imm32(JitWriter *jit, jit_uint8_t reg, jit_int32_t value, jit_uint8_t mode)
{
jit->write_ubyte(IA32_ADD_RM_IMM32);
jit->write_ubyte(ia32_modrm(mode, 0, reg));
jit->write_int32(value);
}
inline void IA32_Add_Rm_ImmAuto(JitWriter *jit, jit_uint8_t reg, jit_int32_t value, jit_uint8_t mode)
{
if (value >= SCHAR_MIN && value <= SCHAR_MAX)
IA32_Add_Rm_Imm8(jit, reg, static_cast<jit_int8_t>(value), mode);
else
IA32_Add_Rm_Imm32(jit, reg, value, mode);
}
inline void IA32_Add_Eax_Imm32(JitWriter *jit, jit_int32_t value)
{
jit->write_ubyte(IA32_ADD_EAX_IMM32);
jit->write_int32(value);
}
inline void IA32_Sub_Rm_Reg(JitWriter *jit, jit_uint8_t dest, jit_uint8_t src, jit_uint8_t mode)
{
jit->write_ubyte(IA32_SUB_RM_REG);
jit->write_ubyte(ia32_modrm(mode, src, dest));
}
inline void IA32_Sub_Reg_Rm(JitWriter *jit, jit_uint8_t dest, jit_uint8_t src, jit_uint8_t mode)
{
jit->write_ubyte(IA32_SUB_REG_RM);
jit->write_ubyte(ia32_modrm(mode, dest, src));
}
inline void IA32_Sub_Reg_Rm_Disp8(JitWriter *jit, jit_uint8_t dest, jit_uint8_t src, jit_int8_t disp8)
{
jit->write_ubyte(IA32_SUB_REG_RM);
jit->write_ubyte(ia32_modrm(MOD_DISP8, dest, src));
jit->write_byte(disp8);
}
inline void IA32_Sub_Rm_Reg_Disp8(JitWriter *jit, jit_uint8_t dest, jit_uint8_t src, jit_int8_t disp8)
{
jit->write_ubyte(IA32_SUB_RM_REG);
jit->write_ubyte(ia32_modrm(MOD_DISP8, src, dest));
jit->write_byte(disp8);
}
inline void IA32_Sub_Rm_Imm8(JitWriter *jit, jit_uint8_t reg, jit_int8_t val, jit_uint8_t mode)
{
jit->write_ubyte(IA32_SUB_RM_IMM8);
jit->write_ubyte(ia32_modrm(mode, 5, reg));
jit->write_byte(val);
}
inline void IA32_Sub_Rm_Imm32(JitWriter *jit, jit_uint8_t reg, jit_int32_t val, jit_uint8_t mode)
{
jit->write_ubyte(IA32_SUB_RM_IMM32);
jit->write_ubyte(ia32_modrm(mode, 5, reg));
jit->write_int32(val);
}
inline void IA32_Sub_Rm_ImmAuto(JitWriter *jit, jit_uint8_t reg, jit_int32_t val, jit_uint8_t mode)
{
if (val >= SCHAR_MIN && val <= SCHAR_MAX)
IA32_Sub_Rm_Imm8(jit, reg, static_cast<jit_int8_t>(val), mode);
else
IA32_Sub_Rm_Imm32(jit, reg, val, mode);
}
inline void IA32_Sbb_Reg_Rm(JitWriter *jit, jit_uint8_t dest, jit_uint8_t src, jit_uint8_t mode)
{
jit->write_ubyte(IA32_SBB_REG_RM);
jit->write_ubyte(ia32_modrm(mode, dest, src));
}
inline void IA32_Sbb_Rm_Imm8(JitWriter *jit, jit_uint8_t dest, jit_int8_t value, jit_uint8_t mode)
{
jit->write_ubyte(IA32_SBB_RM_IMM8);
jit->write_ubyte(ia32_modrm(mode, 3, dest));
jit->write_byte(value);
}
inline void IA32_Div_Rm(JitWriter *jit, jit_uint8_t reg, jit_uint8_t mode)
{
jit->write_ubyte(IA32_DIV_RM);
jit->write_ubyte(ia32_modrm(mode, 6, reg));
}
inline void IA32_IDiv_Rm(JitWriter *jit, jit_uint8_t reg, jit_uint8_t mode)
{
jit->write_ubyte(IA32_IDIV_RM);
jit->write_ubyte(ia32_modrm(mode, 7, reg));
}
inline void IA32_Mul_Rm(JitWriter *jit, jit_uint8_t reg, jit_uint8_t mode)
{
jit->write_ubyte(IA32_MUL_RM);
jit->write_ubyte(ia32_modrm(mode, 4, reg));
}
inline void IA32_IMul_Rm(JitWriter *jit, jit_uint8_t reg, jit_uint8_t mode)
{
jit->write_ubyte(IA32_IMUL_RM);
jit->write_ubyte(ia32_modrm(mode, 5, reg));
}
inline void IA32_IMul_Reg_Imm8(JitWriter *jit, jit_uint8_t reg, jit_uint8_t mode, jit_int8_t value)
{
jit->write_ubyte(IA32_IMUL_REG_IMM8);
jit->write_ubyte(ia32_modrm(mode, 0, reg));
jit->write_byte(value);
}
inline void IA32_IMul_Reg_Imm32(JitWriter *jit, jit_uint8_t reg, jit_uint8_t mode, jit_int32_t value)
{
jit->write_ubyte(IA32_IMUL_REG_IMM32);
jit->write_ubyte(ia32_modrm(mode, 0, reg));
jit->write_int32(value);
}
inline void IA32_IMul_Reg_Rm(JitWriter *jit, jit_uint8_t dest, jit_uint8_t src, jit_uint8_t mode)
{
jit->write_ubyte(IA32_IMUL_REG_RM_1);
jit->write_ubyte(IA32_IMUL_REG_RM_2);
jit->write_ubyte(ia32_modrm(mode, dest, src));
}
inline void IA32_Add_Rm_Reg_Disp8(JitWriter *jit, jit_uint8_t dest, jit_uint8_t src, jit_int8_t disp)
{
jit->write_ubyte(IA32_ADD_RM_REG);
jit->write_ubyte(ia32_modrm(MOD_DISP8, src, dest));
jit->write_byte(disp);
}
inline void IA32_Add_Reg_Rm_Disp8(JitWriter *jit, jit_uint8_t dest, jit_uint8_t src, jit_int8_t disp)
{
jit->write_ubyte(IA32_ADD_REG_RM);
jit->write_ubyte(ia32_modrm(MOD_DISP8, dest, src));
jit->write_byte(disp);
}
inline void IA32_Add_Rm_Imm8_Disp8(JitWriter *jit,
jit_uint8_t dest,
jit_int8_t val,
jit_int8_t disp8)
{
jit->write_ubyte(IA32_ADD_RM_IMM8);
jit->write_ubyte(ia32_modrm(MOD_DISP8, 0, dest));
jit->write_byte(disp8);
jit->write_byte(val);
}
inline void IA32_Add_Rm_Imm32_Disp8(JitWriter *jit,
jit_uint8_t dest,
jit_int32_t val,
jit_int8_t disp8)
{
jit->write_ubyte(IA32_ADD_RM_IMM32);
jit->write_ubyte(ia32_modrm(MOD_DISP8, 0, dest));
jit->write_byte(disp8);
jit->write_int32(val);
}
inline jitoffs_t IA32_Add_Rm_Imm32_Later(JitWriter *jit,
jit_uint8_t dest,
jit_uint8_t mode)
{
jit->write_ubyte(IA32_ADD_RM_IMM32);
jit->write_ubyte(ia32_modrm(mode, 0, dest));
jitoffs_t ptr = jit->get_outputpos();
jit->write_int32(0);
return ptr;
}
inline void IA32_Add_Rm_Imm8_Disp32(JitWriter *jit,
jit_uint8_t dest,
jit_int8_t val,
jit_int32_t disp32)
{
jit->write_ubyte(IA32_ADD_RM_IMM8);
jit->write_ubyte(ia32_modrm(MOD_DISP32, 0, dest));
jit->write_int32(disp32);
jit->write_byte(val);
}
inline void IA32_Add_RmEBP_Imm8_Disp_Reg(JitWriter *jit,
jit_uint8_t dest_base,
jit_uint8_t dest_index,
jit_uint8_t dest_scale,
jit_int8_t val)
{
jit->write_ubyte(IA32_ADD_RM_IMM8);
jit->write_ubyte(ia32_modrm(MOD_DISP8, 0, REG_SIB));
jit->write_ubyte(ia32_sib(dest_scale, dest_index, dest_base));
jit->write_byte(0);
jit->write_byte(val);
}
inline void IA32_Sub_Rm_Imm8_Disp8(JitWriter *jit,
jit_uint8_t dest,
jit_int8_t val,
jit_int8_t disp8)
{
jit->write_ubyte(IA32_SUB_RM_IMM8);
jit->write_ubyte(ia32_modrm(MOD_DISP8, 5, dest));
jit->write_byte(disp8);
jit->write_byte(val);
}
inline void IA32_Sub_Rm_Imm8_Disp32(JitWriter *jit,
jit_uint8_t dest,
jit_int8_t val,
jit_int32_t disp32)
{
jit->write_ubyte(IA32_SUB_RM_IMM8);
jit->write_ubyte(ia32_modrm(MOD_DISP32, 5, dest));
jit->write_int32(disp32);
jit->write_byte(val);
}
inline void IA32_Sub_RmEBP_Imm8_Disp_Reg(JitWriter *jit,
jit_uint8_t dest_base,
jit_uint8_t dest_index,
jit_uint8_t dest_scale,
jit_int8_t val)
{
jit->write_ubyte(IA32_SUB_RM_IMM8);
jit->write_ubyte(ia32_modrm(MOD_DISP8, 5, REG_SIB));
jit->write_ubyte(ia32_sib(dest_scale, dest_index, dest_base));
jit->write_byte(0);
jit->write_byte(val);
}
/**
* Memory Instructions
*/
inline void IA32_Lea_Reg_DispRegMult(JitWriter *jit, jit_uint8_t dest, jit_uint8_t src_base, jit_uint8_t src_index, jit_uint8_t scale)
{
jit->write_ubyte(IA32_LEA_REG_MEM);
jit->write_ubyte(ia32_modrm(MOD_MEM_REG, dest, REG_SIB));
jit->write_ubyte(ia32_sib(scale, src_index, src_base));
}
inline void IA32_Lea_Reg_DispEBPRegMult(JitWriter *jit, jit_uint8_t dest, jit_uint8_t src_base, jit_uint8_t src_index, jit_uint8_t scale)
{
jit->write_ubyte(IA32_LEA_REG_MEM);
jit->write_ubyte(ia32_modrm(MOD_DISP8, dest, REG_SIB));
jit->write_ubyte(ia32_sib(scale, src_index, src_base));
jit->write_byte(0);
}
inline void IA32_Lea_Reg_DispRegMultImm8(JitWriter *jit,
jit_uint8_t dest,
jit_uint8_t src_base,
jit_uint8_t src_index,
jit_uint8_t scale,
jit_int8_t val)
{
jit->write_ubyte(IA32_LEA_REG_MEM);
jit->write_ubyte(ia32_modrm(MOD_DISP8, dest, REG_SIB));
jit->write_ubyte(ia32_sib(scale, src_index, src_base));
jit->write_byte(val);
}
inline void IA32_Lea_Reg_DispRegMultImm32(JitWriter *jit,
jit_uint8_t dest,
jit_uint8_t src_base,
jit_uint8_t src_index,
jit_uint8_t scale,
jit_int32_t val)
{
jit->write_ubyte(IA32_LEA_REG_MEM);
jit->write_ubyte(ia32_modrm(MOD_DISP32, dest, REG_SIB));
jit->write_ubyte(ia32_sib(scale, src_index, src_base));
jit->write_int32(val);
}
inline void IA32_Lea_Reg_RegMultImm32(JitWriter *jit,
jit_uint8_t dest,
jit_uint8_t src_index,
jit_uint8_t scale,
jit_int32_t val)
{
jit->write_ubyte(IA32_LEA_REG_MEM);
jit->write_ubyte(ia32_modrm(MOD_MEM_REG, dest, REG_SIB));
jit->write_ubyte(ia32_sib(scale, src_index, REG_IMM_BASE));
jit->write_int32(val);
}
inline void IA32_Lea_DispRegImm8(JitWriter *jit, jit_uint8_t dest, jit_uint8_t src_base, jit_int8_t val)
{
jit->write_ubyte(IA32_LEA_REG_MEM);
jit->write_ubyte(ia32_modrm(MOD_DISP8, dest, src_base));
jit->write_byte(val);
}
inline void IA32_Lea_DispRegImm32(JitWriter *jit, jit_uint8_t dest, jit_uint8_t src_base, jit_int32_t val)
{
jit->write_ubyte(IA32_LEA_REG_MEM);
jit->write_ubyte(ia32_modrm(MOD_DISP32, dest, src_base));
jit->write_int32(val);
}
inline void IA32_Lea_DispRegImmAuto(JitWriter *jit, jit_uint8_t dest, jit_uint8_t src_base, jit_int32_t val)
{
if (val >= SCHAR_MIN && val <= SCHAR_MAX)
IA32_Lea_DispRegImm8(jit, dest, src_base, static_cast<jit_int8_t>(val));
else
IA32_Lea_DispRegImm32(jit, dest, src_base, val);
}
/**
* Stack Instructions
*/
inline void IA32_Pop_Reg(JitWriter *jit, jit_uint8_t reg)
{
jit->write_ubyte(IA32_POP_REG+reg);
}
inline void IA32_Push_Reg(JitWriter *jit, jit_uint8_t reg)
{
jit->write_ubyte(IA32_PUSH_REG+reg);
}
inline void IA32_Push_Imm8(JitWriter *jit, jit_int8_t val)
{
jit->write_ubyte(IA32_PUSH_IMM8);
jit->write_byte(val);
}
inline void IA32_Push_Imm32(JitWriter *jit, jit_int32_t val)
{
jit->write_ubyte(IA32_PUSH_IMM32);
jit->write_int32(val);
}
inline void IA32_Pushad(JitWriter *jit)
{
jit->write_ubyte(IA32_PUSHAD);
}
inline void IA32_Popad(JitWriter *jit)
{
jit->write_ubyte(IA32_POPAD);
}
inline void IA32_Push_Rm_Disp8(JitWriter *jit, jit_uint8_t reg, jit_int8_t disp8)
{
jit->write_ubyte(IA32_PUSH_RM);
jit->write_ubyte(ia32_modrm(MOD_DISP8, 6, reg));
jit->write_byte(disp8);
}
inline void IA32_Push_Rm_Disp32(JitWriter *jit, jit_uint8_t reg, jit_int32_t disp32)
{
jit->write_ubyte(IA32_PUSH_RM);
jit->write_ubyte(ia32_modrm(MOD_DISP32, 6, reg));
jit->write_int32(disp32);
}
inline void IA32_Push_Rm_DispAuto(JitWriter *jit, jit_uint8_t reg, jit_int32_t disp)
{
if (disp >= SCHAR_MIN && disp <= SCHAR_MAX)
IA32_Push_Rm_Disp8(jit, reg, static_cast<jit_int8_t>(disp));
else
IA32_Push_Rm_Disp32(jit, reg, disp);
}
inline void IA32_Push_Rm_Disp8_ESP(JitWriter *jit, jit_int8_t disp8)
{
jit->write_ubyte(IA32_PUSH_RM);
jit->write_ubyte(ia32_modrm(MOD_DISP8, 6, REG_SIB));
jit->write_ubyte(ia32_sib(NOSCALE, REG_NOIDX, REG_ESP));
jit->write_byte(disp8);
}
/**
* Moving from REGISTER/MEMORY to REGISTER
*/
inline void IA32_Mov_Reg_Rm(JitWriter *jit, jit_uint8_t dest, jit_uint8_t src, jit_uint8_t mode)
{
jit->write_ubyte(IA32_MOV_REG_RM);
jit->write_ubyte(ia32_modrm(mode, dest, src));
}
inline void IA32_Mov_Reg8_Rm8(JitWriter *jit, jit_uint8_t dest, jit_uint8_t src, jit_uint8_t mode)
{
jit->write_ubyte(IA32_MOV_REG8_RM8);
jit->write_ubyte(ia32_modrm(mode, dest, src));
}
inline void IA32_Mov_Reg_RmESP(JitWriter *jit, jit_uint8_t dest)
{
jit->write_ubyte(IA32_MOV_REG_RM);
jit->write_ubyte(ia32_modrm(MOD_MEM_REG, dest, REG_ESP));
jit->write_ubyte(ia32_sib(NOSCALE, REG_NOIDX, REG_ESP));
}
inline void IA32_Mov_Reg_Rm_Disp8(JitWriter *jit, jit_uint8_t dest, jit_uint8_t src, jit_int8_t disp)
{
jit->write_ubyte(IA32_MOV_REG_RM);
jit->write_ubyte(ia32_modrm(MOD_DISP8, dest, src));
jit->write_byte(disp);
}
inline void IA32_Mov_Reg8_Rm8_Disp8(JitWriter *jit, jit_uint8_t dest, jit_uint8_t src, jit_int8_t disp)
{
jit->write_ubyte(IA32_MOV_REG8_RM8);
jit->write_ubyte(ia32_modrm(MOD_DISP8, dest, src));
jit->write_byte(disp);
}
inline void IA32_Mov_Reg_Esp_Disp8(JitWriter *jit, jit_uint8_t dest, jit_int8_t disp)
{
jit->write_ubyte(IA32_MOV_REG_RM);
jit->write_ubyte(ia32_modrm(MOD_DISP8, dest, REG_SIB));
jit->write_ubyte(ia32_sib(NOSCALE, REG_NOIDX, REG_ESP));
jit->write_byte(disp);
}
inline void IA32_Mov_Reg_Rm_Disp32(JitWriter *jit, jit_uint8_t dest, jit_uint8_t src, jit_int32_t disp)
{
jit->write_ubyte(IA32_MOV_REG_RM);
jit->write_ubyte(ia32_modrm(MOD_DISP32, dest, src));
jit->write_int32(disp);
}
inline void IA32_Mov_Reg8_Rm8_Disp32(JitWriter *jit, jit_uint8_t dest, jit_uint8_t src, jit_int32_t disp)
{
jit->write_ubyte(IA32_MOV_REG8_RM8);
jit->write_ubyte(ia32_modrm(MOD_DISP32, dest, src));
jit->write_int32(disp);
}
inline void IA32_Mov_Reg_Rm_Disp_Reg(JitWriter *jit,
jit_uint8_t dest,
jit_uint8_t src_base,
jit_uint8_t src_index,
jit_uint8_t src_scale)
{
jit->write_ubyte(IA32_MOV_REG_RM);
jit->write_ubyte(ia32_modrm(MOD_MEM_REG, dest, REG_SIB));
jit->write_ubyte(ia32_sib(src_scale, src_index, src_base));
}
inline void IA32_Mov_Reg_Rm_Disp_Reg_Disp8(JitWriter *jit,
jit_uint8_t dest,
jit_uint8_t src_base,
jit_uint8_t src_index,
jit_uint8_t src_scale,
jit_int8_t disp8)
{
jit->write_ubyte(IA32_MOV_REG_RM);
jit->write_ubyte(ia32_modrm(MOD_DISP8, dest, REG_SIB));
jit->write_ubyte(ia32_sib(src_scale, src_index, src_base));
jit->write_byte(disp8);
}
inline void IA32_Mov_Reg_RmEBP_Disp_Reg(JitWriter *jit,
jit_uint8_t dest,
jit_uint8_t src_base,
jit_uint8_t src_index,
jit_uint8_t src_scale)
{
jit->write_ubyte(IA32_MOV_REG_RM);
jit->write_ubyte(ia32_modrm(MOD_DISP8, dest, REG_SIB));
jit->write_ubyte(ia32_sib(src_scale, src_index, src_base));
jit->write_byte(0);
}
inline void IA32_Mov_Reg_Rm_DispAuto(JitWriter *jit, jit_uint8_t dest, jit_uint8_t src, jit_int32_t disp)
{
if (disp == 0)
IA32_Mov_Reg_Rm(jit, dest, src, MOD_MEM_REG);
else if (disp <= SCHAR_MAX)
IA32_Mov_Reg_Rm_Disp8(jit, dest, src, static_cast<jit_int8_t>(disp));
else
IA32_Mov_Reg_Rm_Disp32(jit, dest, src, disp);
}
/**
* Moving from REGISTER to REGISTER/MEMORY
*/
inline void IA32_Mov_Rm_Reg(JitWriter *jit, jit_uint8_t dest, jit_uint8_t src, jit_uint8_t mode)
{
jit->write_ubyte(IA32_MOV_RM_REG);
jit->write_ubyte(ia32_modrm(mode, src, dest));
}
inline void IA32_Mov_Rm8_Reg8(JitWriter *jit, jit_uint8_t dest, jit_uint8_t src, jit_uint8_t mode)
{
jit->write_ubyte(IA32_MOV_RM8_REG8);
jit->write_ubyte(ia32_modrm(mode, src, dest));
}
inline void IA32_Mov_Rm8_Reg8_Disp8(JitWriter *jit, jit_uint8_t dest, jit_uint8_t src, jit_int8_t disp)
{
jit->write_ubyte(IA32_MOV_RM8_REG8);
jit->write_ubyte(ia32_modrm(MOD_DISP8, src, dest));
jit->write_byte(disp);
}
inline void IA32_Mov_Rm8_Reg8_Disp32(JitWriter *jit, jit_uint8_t dest, jit_uint8_t src, jit_int32_t disp)
{
jit->write_ubyte(IA32_MOV_RM8_REG8);
jit->write_ubyte(ia32_modrm(MOD_DISP32, src, dest));
jit->write_int32(disp);
}
inline void IA32_Mov_Rm8_Reg8_DispAuto(JitWriter *jit, jit_uint8_t dest, jit_uint8_t src, jit_int32_t disp)
{
if (disp >= SCHAR_MIN && disp <= SCHAR_MAX)
IA32_Mov_Rm8_Reg8_Disp8(jit, dest, src, static_cast<jit_int8_t>(disp));
else
IA32_Mov_Rm8_Reg8_Disp32(jit, dest, src, disp);
}
inline void IA32_Mov_RmESP_Reg(JitWriter *jit, jit_uint8_t src)
{
jit->write_ubyte(IA32_MOV_RM_REG);
jit->write_ubyte(ia32_modrm(MOD_MEM_REG, src, REG_ESP));
jit->write_ubyte(ia32_sib(NOSCALE, REG_NOIDX, REG_ESP));
}
inline void IA32_Mov_Rm_Reg_Disp8(JitWriter *jit, jit_uint8_t dest, jit_uint8_t src, jit_int8_t disp)
{
jit->write_ubyte(IA32_MOV_RM_REG);
jit->write_ubyte(ia32_modrm(MOD_DISP8, src, dest));
jit->write_byte(disp);
}
inline void IA32_Mov_Rm_Reg_Disp32(JitWriter *jit, jit_uint8_t dest, jit_uint8_t src, jit_int32_t disp)
{
jit->write_ubyte(IA32_MOV_RM_REG);
jit->write_ubyte(ia32_modrm(MOD_DISP32, src, dest));
jit->write_int32(disp);
}
inline void IA32_Mov_Rm_Reg_DispAuto(JitWriter *jit, jit_uint8_t dest, jit_uint8_t src, jit_int32_t disp)
{
if (disp >= SCHAR_MIN && disp <= SCHAR_MAX)
IA32_Mov_Rm_Reg_Disp8(jit, dest, src, static_cast<jit_int8_t>(disp));
else
IA32_Mov_Rm_Reg_Disp32(jit, dest, src, disp);
}
inline void IA32_Mov_RmEBP_Reg_Disp_Reg(JitWriter *jit,
jit_uint8_t dest_base,
jit_uint8_t dest_index,
jit_uint8_t dest_scale,
jit_uint8_t src)
{
jit->write_ubyte(IA32_MOV_RM_REG);
jit->write_ubyte(ia32_modrm(MOD_DISP8, src, REG_SIB));
jit->write_ubyte(ia32_sib(dest_scale, dest_index, dest_base));
jit->write_byte(0);
}
inline void IA32_Mov_Rm8EBP_Reg_Disp_Reg(JitWriter *jit,
jit_uint8_t dest_base,
jit_uint8_t dest_index,
jit_uint8_t dest_scale,
jit_uint8_t src)
{
jit->write_ubyte(IA32_MOV_RM8_REG);
jit->write_ubyte(ia32_modrm(MOD_DISP8, src, REG_SIB));
jit->write_ubyte(ia32_sib(dest_scale, dest_index, dest_base));
jit->write_byte(0);
}
inline void IA32_Mov_Rm16EBP_Reg_Disp_Reg(JitWriter *jit,
jit_uint8_t dest_base,
jit_uint8_t dest_index,
jit_uint8_t dest_scale,
jit_uint8_t src)
{
jit->write_ubyte(IA32_16BIT_PREFIX);
jit->write_ubyte(IA32_MOV_RM_REG);
jit->write_ubyte(ia32_modrm(MOD_DISP8, src, REG_SIB));
jit->write_ubyte(ia32_sib(dest_scale, dest_index, dest_base));
jit->write_byte(0);
}
/**
* Moving from IMMEDIATE to REGISTER
*/
inline jitoffs_t IA32_Mov_Reg_Imm32(JitWriter *jit, jit_uint8_t dest, jit_int32_t num)
{
jitoffs_t offs;
jit->write_ubyte(IA32_MOV_REG_IMM+dest);
offs = jit->get_outputpos();
jit->write_int32(num);
return offs;
}
inline void IA32_Mov_Rm_Imm32(JitWriter *jit, jit_uint8_t dest, jit_int32_t val, jit_uint8_t mode)
{
jit->write_ubyte(IA32_MOV_RM_IMM32);
jit->write_ubyte(ia32_modrm(mode, 0, dest));
jit->write_int32(val);
}
inline void IA32_Mov_Rm_Imm32_Disp8(JitWriter *jit,
jit_uint8_t dest,
jit_int32_t val,
jit_int8_t disp8)
{
jit->write_ubyte(IA32_MOV_RM_IMM32);
jit->write_ubyte(ia32_modrm(MOD_DISP8, 0, dest));
jit->write_byte(disp8);
jit->write_int32(val);
}
inline void IA32_Mov_Rm_Imm32_Disp32(JitWriter *jit,
jit_uint8_t dest,
jit_int32_t val,
jit_int32_t disp32)
{
jit->write_ubyte(IA32_MOV_RM_IMM32);
jit->write_ubyte(ia32_modrm(MOD_DISP32, 0, dest));
jit->write_int32(disp32);
jit->write_int32(val);
}
inline void IA32_Mov_RmEBP_Imm32_Disp_Reg(JitWriter *jit,
jit_uint8_t dest_base,
jit_uint8_t dest_index,
jit_uint8_t dest_scale,
jit_int32_t val)
{
jit->write_ubyte(IA32_MOV_RM_IMM32);
jit->write_ubyte(ia32_modrm(MOD_DISP8, 0, REG_SIB));
jit->write_ubyte(ia32_sib(dest_scale, dest_index, dest_base));
jit->write_byte(0);
jit->write_int32(val);
}
inline void IA32_Mov_ESP_Disp8_Imm32(JitWriter *jit, jit_int8_t disp8, jit_int32_t val)
{
jit->write_ubyte(IA32_MOV_RM_IMM32);
jit->write_ubyte(ia32_modrm(MOD_DISP8, 0, REG_SIB));
jit->write_ubyte(ia32_sib(NOSCALE, REG_NOIDX, REG_ESP));
jit->write_byte(disp8);
jit->write_int32(val);
}
/**
* Floating Point Instructions
*/
inline void IA32_Fstcw_Mem16_ESP(JitWriter *jit)
{
jit->write_ubyte(IA32_FSTCW_MEM16_1);
jit->write_ubyte(IA32_FSTCW_MEM16_2);
jit->write_ubyte(ia32_modrm(MOD_MEM_REG, 7, REG_SIB));
jit->write_ubyte(ia32_sib(NOSCALE, REG_NOIDX, REG_ESP));
}
inline void IA32_Fldcw_Mem16_ESP(JitWriter *jit)
{
jit->write_ubyte(IA32_FLDCW_MEM16);
jit->write_ubyte(ia32_modrm(MOD_MEM_REG, 5, REG_SIB));
jit->write_ubyte(ia32_sib(NOSCALE, REG_NOIDX, REG_ESP));
}
inline void IA32_Fldcw_Mem16_Disp8_ESP(JitWriter *jit, jit_int8_t disp8)
{
jit->write_ubyte(IA32_FLDCW_MEM16);
jit->write_ubyte(ia32_modrm(MOD_DISP8, 5, REG_SIB));
jit->write_ubyte(ia32_sib(NOSCALE, REG_NOIDX, REG_ESP));
jit->write_byte(disp8);
}
inline void IA32_Fistp_Mem32_ESP(JitWriter *jit)
{
jit->write_ubyte(IA32_FISTP_MEM32);
jit->write_ubyte(ia32_modrm(MOD_MEM_REG, 3, REG_SIB));
jit->write_ubyte(ia32_sib(NOSCALE, REG_NOIDX, REG_ESP));
}
inline void IA32_Fistp_Mem32_Disp8_Esp(JitWriter *jit, jit_int8_t disp8)
{
jit->write_ubyte(IA32_FISTP_MEM32);
jit->write_ubyte(ia32_modrm(MOD_DISP8, 3, REG_SIB));
jit->write_ubyte(ia32_sib(NOSCALE, REG_NOIDX, REG_ESP));
jit->write_byte(disp8);
}
inline void IA32_Fucomip_ST0_FPUreg(JitWriter *jit, jit_uint8_t reg)
{
jit->write_ubyte(IA32_FUCOMIP_1);
jit->write_ubyte(IA32_FUCOMIP_2+reg);
}
inline void IA32_Fadd_FPUreg_ST0(JitWriter *jit, jit_uint8_t reg)
{
jit->write_ubyte(IA32_FADD_FPREG_ST0_1);
jit->write_ubyte(IA32_FADD_FPREG_ST0_2+reg);
}
inline void IA32_Fadd_Mem32_Disp8(JitWriter *jit, jit_uint8_t src, jit_int8_t val)
{
jit->write_ubyte(IA32_FADD_MEM32);
jit->write_ubyte(ia32_modrm(MOD_DISP8, 0, src));
jit->write_byte(val);
}
inline void IA32_Fadd_Mem32_ESP(JitWriter *jit)
{
jit->write_ubyte(IA32_FADD_MEM32);
jit->write_ubyte(ia32_modrm(MOD_MEM_REG, 0, REG_SIB));
jit->write_ubyte(ia32_sib(NOSCALE, REG_NOIDX, REG_ESP));
}
inline void IA32_Fsub_Mem32_Disp8(JitWriter *jit, jit_uint8_t src, jit_int8_t val)
{
jit->write_ubyte(IA32_FSUB_MEM32);
jit->write_ubyte(ia32_modrm(MOD_DISP8, 4, src));
jit->write_byte(val);
}
inline void IA32_Fmul_Mem32_Disp8(JitWriter *jit, jit_uint8_t src, jit_int8_t val)
{
jit->write_ubyte(IA32_FMUL_MEM32);
jit->write_ubyte(ia32_modrm(MOD_DISP8, 1, src));
jit->write_byte(val);
}
inline void IA32_Fdiv_Mem32_Disp8(JitWriter *jit, jit_uint8_t src, jit_int8_t val)
{
jit->write_ubyte(IA32_FDIV_MEM32);
jit->write_ubyte(ia32_modrm(MOD_DISP8, 6, src));
jit->write_byte(val);
}
inline void IA32_Fild_Mem32(JitWriter *jit, jit_uint8_t src)
{
jit->write_ubyte(IA32_FILD_MEM32);
jit->write_ubyte(ia32_modrm(MOD_MEM_REG, 0, src));
}
inline void IA32_Fstp_Mem32(JitWriter *jit, jit_uint8_t dest)
{
jit->write_ubyte(IA32_FSTP_MEM32);
jit->write_ubyte(ia32_modrm(MOD_MEM_REG, 3, dest));
}
inline void IA32_Fstp_Mem32_DispAuto(JitWriter *jit, jit_uint8_t dest, jit_int32_t disp)
{
jit->write_ubyte(IA32_FSTP_MEM32);
if (disp > SCHAR_MIN && disp < SCHAR_MAX)
{
jit->write_ubyte(ia32_modrm(MOD_DISP8, 3, dest));
jit->write_byte(static_cast<jit_int8_t>(disp));
}
else
{
jit->write_ubyte(ia32_modrm(MOD_DISP32, 3, dest));
jit->write_byte(disp);
}
}
inline void IA32_Fstp_Mem64(JitWriter *jit, jit_uint8_t dest)
{
jit->write_ubyte(IA32_FSTP_MEM64);
jit->write_ubyte(ia32_modrm(MOD_MEM_REG, 3, dest));
}
inline void IA32_Fstp_Mem64_DispAuto(JitWriter *jit, jit_uint8_t dest, jit_int32_t disp)
{
jit->write_ubyte(IA32_FSTP_MEM64);
if (disp > SCHAR_MIN && disp < SCHAR_MAX)
{
jit->write_ubyte(ia32_modrm(MOD_DISP8, 3, dest));
jit->write_byte(static_cast<jit_int8_t>(disp));
}
else
{
jit->write_ubyte(ia32_modrm(MOD_DISP32, 3, dest));
jit->write_byte(disp);
}
}
inline void IA32_Fstp_Mem32_ESP(JitWriter *jit)
{
jit->write_ubyte(IA32_FSTP_MEM32);
jit->write_ubyte(ia32_modrm(MOD_MEM_REG, 3, REG_SIB));
jit->write_ubyte(ia32_sib(NOSCALE, REG_NOIDX, REG_ESP));
}
inline void IA32_Fstp_Mem64_ESP(JitWriter *jit)
{
jit->write_ubyte(IA32_FSTP_MEM64);
jit->write_ubyte(ia32_modrm(MOD_MEM_REG, 3, REG_SIB));
jit->write_ubyte(ia32_sib(NOSCALE, REG_NOIDX, REG_ESP));
}
inline void IA32_Fstp_FPUreg(JitWriter *jit, jit_uint8_t reg)
{
jit->write_ubyte(IA32_FSTP_FPREG_1);
jit->write_ubyte(IA32_FSTP_FPREG_2+reg);
}
inline void IA32_Fld_Mem32(JitWriter *jit, jit_uint8_t src)
{
jit->write_ubyte(IA32_FLD_MEM32);
jit->write_ubyte(ia32_modrm(MOD_MEM_REG, 0, src));
}
inline void IA32_Fld_Mem64(JitWriter *jit, jit_uint8_t src)
{
jit->write_ubyte(IA32_FLD_MEM64);
jit->write_ubyte(ia32_modrm(MOD_MEM_REG, 0, src));
}
inline void IA32_Fld_Mem32_Disp8(JitWriter *jit, jit_uint8_t src, jit_int8_t val)
{
jit->write_ubyte(IA32_FLD_MEM32);
jit->write_ubyte(ia32_modrm(MOD_DISP8, 0, src));
jit->write_byte(val);
}
inline void IA32_Fld_Mem64_Disp8(JitWriter *jit, jit_uint8_t src, jit_int8_t val)
{
jit->write_ubyte(IA32_FLD_MEM64);
jit->write_ubyte(ia32_modrm(MOD_DISP8, 0, src));
jit->write_byte(val);
}
inline void IA32_Fld_Mem32_Disp32(JitWriter *jit, jit_uint8_t src, jit_int32_t val)
{
jit->write_ubyte(IA32_FLD_MEM32);
jit->write_ubyte(ia32_modrm(MOD_DISP32, 0, src));
jit->write_int32(val);
}
inline void IA32_Fld_Mem64_Disp32(JitWriter *jit, jit_uint8_t src, jit_int32_t val)
{
jit->write_ubyte(IA32_FLD_MEM64);
jit->write_ubyte(ia32_modrm(MOD_DISP32, 0, src));
jit->write_int32(val);
}
inline void IA32_Fld_Mem32_DispAuto(JitWriter *jit, jit_uint8_t src, jit_int32_t disp)
{
if (disp == 0)
IA32_Fld_Mem32(jit, src);
else if (disp <= SCHAR_MAX)
IA32_Fld_Mem32_Disp8(jit, src, static_cast<jit_int8_t>(disp));
else
IA32_Fld_Mem32_Disp32(jit, src, disp);
}
inline void IA32_Fld_Mem64_DispAuto(JitWriter *jit, jit_uint8_t src, jit_int32_t disp)
{
if (disp == 0)
IA32_Fld_Mem64(jit, src);
else if (disp <= SCHAR_MAX)
IA32_Fld_Mem64_Disp8(jit, src, static_cast<jit_int8_t>(disp));
else
IA32_Fld_Mem64_Disp32(jit, src, disp);
}
/**
* Move data with zero extend
*/
inline void IA32_Movzx_Reg32_Rm8(JitWriter *jit, jit_uint8_t dest, jit_uint8_t src, jit_uint8_t mode)
{
jit->write_ubyte(IA32_MOVZX_R32_RM8_1);
jit->write_ubyte(IA32_MOVZX_R32_RM8_2);
jit->write_ubyte(ia32_modrm(mode, dest, src));
}
inline void IA32_Movzx_Reg32_Rm8_Disp8(JitWriter *jit, jit_uint8_t dest, jit_uint8_t src, jit_int8_t disp)
{
jit->write_ubyte(IA32_MOVZX_R32_RM8_1);
jit->write_ubyte(IA32_MOVZX_R32_RM8_2);
jit->write_ubyte(ia32_modrm(MOD_DISP8, dest, src));
jit->write_byte(disp);
}
inline void IA32_Movzx_Reg32_Rm8_Disp32(JitWriter *jit, jit_uint8_t dest, jit_uint8_t src, jit_int32_t disp)
{
jit->write_ubyte(IA32_MOVZX_R32_RM8_1);
jit->write_ubyte(IA32_MOVZX_R32_RM8_2);
jit->write_ubyte(ia32_modrm(MOD_DISP32, dest, src));
jit->write_int32(disp);
}
inline void IA32_Movzx_Reg32_Rm8_DispAuto(JitWriter *jit, jit_uint8_t dest, jit_uint8_t src, jit_int32_t disp)
{
if (disp >= SCHAR_MIN && disp <= SCHAR_MAX)
IA32_Movzx_Reg32_Rm8_Disp8(jit, dest, src, static_cast<jit_int8_t>(disp));
else
IA32_Movzx_Reg32_Rm8_Disp32(jit, dest, src, disp);
}
inline void IA32_Movzx_Reg32_Rm16(JitWriter *jit, jit_uint8_t dest, jit_uint8_t src, jit_uint8_t mode)
{
jit->write_ubyte(IA32_MOVZX_R32_RM16_1);
jit->write_ubyte(IA32_MOVZX_R32_RM16_2);
jit->write_ubyte(ia32_modrm(mode, dest, src));
}
inline void IA32_Movzx_Reg32_Rm16_Disp8(JitWriter *jit, jit_uint8_t dest, jit_uint8_t src, jit_int8_t disp)
{
jit->write_ubyte(IA32_MOVZX_R32_RM16_1);
jit->write_ubyte(IA32_MOVZX_R32_RM16_2);
jit->write_ubyte(ia32_modrm(MOD_DISP8, dest, src));
jit->write_byte(disp);
}
inline void IA32_Movzx_Reg32_Rm16_Disp32(JitWriter *jit, jit_uint8_t dest, jit_uint8_t src, jit_int32_t disp)
{
jit->write_ubyte(IA32_MOVZX_R32_RM16_1);
jit->write_ubyte(IA32_MOVZX_R32_RM16_2);
jit->write_ubyte(ia32_modrm(MOD_DISP32, dest, src));
jit->write_int32(disp);
}
inline void IA32_Movzx_Reg32_Rm16_DispAuto(JitWriter *jit, jit_uint8_t dest, jit_uint8_t src, jit_int32_t disp)
{
if (disp >= SCHAR_MIN && disp <= SCHAR_MAX)
IA32_Movzx_Reg32_Rm16_Disp8(jit, dest, src, static_cast<jit_int8_t>(disp));
else
IA32_Movzx_Reg32_Rm16_Disp32(jit, dest, src, disp);
}
/**
* Branching/Jumping
*/
inline jitoffs_t IA32_Jump_Cond_Imm8(JitWriter *jit, jit_uint8_t cond, jit_int8_t disp)
{
jitoffs_t ptr;
jit->write_ubyte(IA32_JCC_IMM+cond);
ptr = jit->get_outputpos();
jit->write_byte(disp);
return ptr;
}
inline jitoffs_t IA32_Jump_Imm32(JitWriter *jit, jit_int32_t disp)
{
jitoffs_t ptr;
jit->write_ubyte(IA32_JMP_IMM32);
ptr = jit->get_outputpos();
jit->write_int32(disp);
return ptr;
}
inline jitoffs_t IA32_Jump_Imm8(JitWriter *jit, jit_int8_t disp)
{
jitoffs_t ptr;
jit->write_ubyte(IA32_JMP_IMM8);
ptr = jit->get_outputpos();
jit->write_byte(disp);
return ptr;
}
inline jitoffs_t IA32_Jump_Cond_Imm32(JitWriter *jit, jit_uint8_t cond, jit_int32_t disp)
{
jitoffs_t ptr;
jit->write_ubyte(IA32_JCC_IMM32_1);
jit->write_ubyte(IA32_JCC_IMM32_2+cond);
ptr = jit->get_outputpos();
jit->write_int32(disp);
return ptr;
}
inline void IA32_Jump_Reg(JitWriter *jit, jit_uint8_t reg)
{
jit->write_ubyte(IA32_JMP_RM);
jit->write_ubyte(ia32_modrm(MOD_REG, 4, reg));
}
inline void IA32_Jump_Rm(JitWriter *jit, jit_uint8_t reg, jit_uint8_t mode)
{
jit->write_ubyte(IA32_JMP_RM);
jit->write_ubyte(ia32_modrm(mode, 4, reg));
}
inline jitoffs_t IA32_Call_Imm32(JitWriter *jit, jit_int32_t disp)
{
jitoffs_t ptr;
jit->write_ubyte(IA32_CALL_IMM32);
ptr = jit->get_outputpos();
jit->write_int32(disp);
return ptr;
}
inline void IA32_Call_Reg(JitWriter *jit, jit_uint8_t reg)
{
jit->write_ubyte(IA32_CALL_RM);
jit->write_ubyte(ia32_modrm(MOD_REG, 2, reg));
}
inline void IA32_Call_Rm(JitWriter *jit, jit_uint8_t reg, jit_uint8_t mode)
{
jit->write_ubyte(IA32_CALL_RM);
jit->write_ubyte(ia32_modrm(mode, 4, reg));
}
inline void IA32_Return(JitWriter *jit)
{
jit->write_ubyte(IA32_RET);
}
inline void IA32_Return_Popstack(JitWriter *jit, unsigned short bytes)
{
jit->write_ubyte(IA32_RETN);
jit->write_ushort(bytes);
}
inline void IA32_Test_Rm_Reg(JitWriter *jit, jit_uint8_t reg1, jit_uint8_t reg2, jit_uint8_t mode)
{
jit->write_ubyte(IA32_TEST_RM_REG);
jit->write_ubyte(ia32_modrm(mode, reg2, reg1));
}
inline void IA32_Test_Rm_Reg8(JitWriter *jit, jit_uint8_t reg1, jit_uint8_t reg2, jit_uint8_t mode)
{
jit->write_ubyte(IA32_TEST_RM_REG8);
jit->write_ubyte(ia32_modrm(mode, reg2, reg1));
}
inline void IA32_Test_Rm_Imm32(JitWriter *jit, jit_uint8_t operand1, jit_int32_t imm_operand, jit_uint8_t mode)
{
jit->write_ubyte(IA32_TEST_RM_IMM32);
jit->write_ubyte(ia32_modrm(mode, 0, operand1));
jit->write_int32(imm_operand);
}
inline void IA32_Cmp_Rm_Reg(JitWriter *jit, jit_uint8_t dest, jit_uint8_t src, jit_uint8_t mode)
{
jit->write_ubyte(IA32_CMP_RM_REG);
jit->write_ubyte(ia32_modrm(mode, src, dest));
}
inline void IA32_Cmp_Reg_Rm(JitWriter *jit, jit_uint8_t dest, jit_uint8_t src, jit_uint8_t mode)
{
jit->write_ubyte(IA32_CMP_REG_RM);
jit->write_ubyte(ia32_modrm(mode, dest, src));
}
inline void IA32_Cmp_Reg_Rm_ESP(JitWriter *jit, jit_uint8_t cmpreg)
{
jit->write_ubyte(IA32_CMP_REG_RM);
jit->write_ubyte(ia32_modrm(MOD_MEM_REG, cmpreg, REG_SIB));
jit->write_ubyte(ia32_sib(NOSCALE, REG_NOIDX, REG_ESP));
}
inline void IA32_Cmp_Reg_Rm_Disp8(JitWriter *jit, jit_uint8_t reg1, jit_uint8_t reg2, jit_int8_t disp8)
{
jit->write_ubyte(IA32_CMP_REG_RM);
jit->write_ubyte(ia32_modrm(MOD_DISP8, reg1, reg2));
jit->write_byte(disp8);
}
inline void IA32_Cmp_Rm_Imm8(JitWriter *jit, jit_uint8_t mode, jit_uint8_t rm, jit_int8_t imm8)
{
jit->write_ubyte(IA32_CMP_RM_IMM8);
jit->write_ubyte(ia32_modrm(mode, 7, rm));
jit->write_byte(imm8);
}
inline void IA32_Cmp_Rm_Imm32(JitWriter *jit, jit_uint8_t mode, jit_uint8_t rm, jit_int32_t imm32)
{
jit->write_ubyte(IA32_CMP_RM_IMM32);
jit->write_ubyte(ia32_modrm(mode, 7, rm));
jit->write_int32(imm32);
}
inline void IA32_Cmp_Rm_Imm32_Disp8(JitWriter *jit, jit_uint8_t reg, jit_int8_t disp8, jit_int32_t imm32)
{
jit->write_ubyte(IA32_CMP_RM_IMM32);
jit->write_ubyte(ia32_modrm(MOD_DISP8, 7, reg));
jit->write_byte(disp8);
jit->write_int32(imm32);
}
inline void IA32_Cmp_Rm_Disp8_Imm8(JitWriter *jit, jit_uint8_t reg, jit_int8_t disp, jit_int8_t imm8)
{
jit->write_ubyte(IA32_CMP_RM_IMM8);
jit->write_ubyte(ia32_modrm(MOD_DISP8, 7, reg));
jit->write_byte(disp);
jit->write_byte(imm8);
}
inline void IA32_Cmp_Al_Imm8(JitWriter *jit, jit_int8_t value)
{
jit->write_ubyte(IA32_CMP_AL_IMM32);
jit->write_byte(value);
}
inline void IA32_Cmp_Eax_Imm32(JitWriter *jit, jit_int32_t value)
{
jit->write_ubyte(IA32_CMP_EAX_IMM32);
jit->write_int32(value);
}
inline void IA32_SetCC_Rm8(JitWriter *jit, jit_uint8_t reg, jit_uint8_t cond)
{
jit->write_ubyte(IA32_SETCC_RM8_1);
jit->write_ubyte(IA32_SETCC_RM8_2+cond);
jit->write_ubyte(ia32_modrm(MOD_REG, 0, reg));
}
inline void IA32_CmovCC_Rm(JitWriter *jit, jit_uint8_t src, jit_uint8_t cond)
{
jit->write_ubyte(IA32_CMOVCC_RM_1);
jit->write_ubyte(IA32_CMOVCC_RM_2+cond);
jit->write_ubyte(ia32_modrm(MOD_MEM_REG, 0, src));
}
inline void IA32_CmovCC_Rm_Disp8(JitWriter *jit, jit_uint8_t src, jit_uint8_t cond, jit_int8_t disp)
{
jit->write_ubyte(IA32_CMOVCC_RM_1);
jit->write_ubyte(IA32_CMOVCC_RM_2+cond);
jit->write_ubyte(ia32_modrm(MOD_DISP8, 0, src));
jit->write_byte(disp);
}
inline void IA32_Cmpsb(JitWriter *jit)
{
jit->write_ubyte(IA32_CMPSB);
}
inline void IA32_Rep(JitWriter *jit)
{
jit->write_ubyte(IA32_REP);
}
inline void IA32_Movsd(JitWriter *jit)
{
jit->write_ubyte(IA32_MOVSD);
}
inline void IA32_Movsb(JitWriter *jit)
{
jit->write_ubyte(IA32_MOVSB);
}
inline void IA32_Stosd(JitWriter *jit)
{
jit->write_ubyte(IA32_STOSD);
}
inline void IA32_Cld(JitWriter *jit)
{
jit->write_ubyte(IA32_CLD);
}
}
}
#endif //_INCLUDE_JIT_X86_MACROS_H
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