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//
// Copyright (c) 2008 Daniel Pistelli.
//
//
// OpCodes
//
//
// One-byte opcodes
//
#define ILOPCODE_NOP 0x00
#define ILOPCODE_BREAK 0x01
#define ILOPCODE_LDARG_0 0x02
#define ILOPCODE_LDARG_1 0x03
#define ILOPCODE_LDARG_2 0x04
#define ILOPCODE_LDARG_3 0x05
#define ILOPCODE_LDLOC_0 0x06
#define ILOPCODE_LDLOC_1 0x07
#define ILOPCODE_LDLOC_2 0x08
#define ILOPCODE_LDLOC_3 0x09
#define ILOPCODE_STLOC_0 0x0A
#define ILOPCODE_STLOC_1 0x0B
#define ILOPCODE_STLOC_2 0x0C
#define ILOPCODE_STLOC_3 0x0D
#define ILOPCODE_LDARG_S 0x0E
#define ILOPCODE_LDARGA_S 0x0F
#define ILOPCODE_STARG_S 0x10
#define ILOPCODE_LDLOC_S 0x11
#define ILOPCODE_LDLOCA_S 0x12
#define ILOPCODE_STLOC_S 0x13
#define ILOPCODE_LDNULL 0x14
#define ILOPCODE_LDC_I4_M1 0x15
#define ILOPCODE_LDC_I4_0 0x16
#define ILOPCODE_LDC_I4_1 0x17
#define ILOPCODE_LDC_I4_2 0x18
#define ILOPCODE_LDC_I4_3 0x19
#define ILOPCODE_LDC_I4_4 0x1A
#define ILOPCODE_LDC_I4_5 0x1B
#define ILOPCODE_LDC_I4_6 0x1C
#define ILOPCODE_LDC_I4_7 0x1D
#define ILOPCODE_LDC_I4_8 0x1E
#define ILOPCODE_LDC_I4_S 0x1F
#define ILOPCODE_LDC_I4 0x20
#define ILOPCODE_LDC_I8 0x21
#define ILOPCODE_LDC_R4 0x22
#define ILOPCODE_LDC_R8 0x23
// #define ILOPCODE_? 0x24
#define ILOPCODE_DUP 0x25
#define ILOPCODE_POP 0x26
#define ILOPCODE_JMP 0x27
#define ILOPCODE_CALL 0x28
#define ILOPCODE_CALLI 0x29
#define ILOPCODE_RET 0x2A
#define ILOPCODE_BR_S 0x2B
#define ILOPCODE_BRFALSE_S 0x2C
#define ILOPCODE_BRTRUE_S 0x2D
#define ILOPCODE_BEQ_S 0x2E
#define ILOPCODE_BGE_S 0x2F
#define ILOPCODE_BGT_S 0x30
#define ILOPCODE_BLE_S 0x31
#define ILOPCODE_BLT_S 0x32
#define ILOPCODE_BNE_UN_S 0x33
#define ILOPCODE_BGE_UN_S 0x34
#define ILOPCODE_BGT_UN_S 0x35
#define ILOPCODE_BLE_UN_S 0x36
#define ILOPCODE_BLT_UN_S 0x37
#define ILOPCODE_BR 0x38
#define ILOPCODE_BRFALSE 0x39
#define ILOPCODE_BRTRUE 0x3A
#define ILOPCODE_BEQ 0x3B
#define ILOPCODE_BGE 0x3C
#define ILOPCODE_BGT 0x3D
#define ILOPCODE_BLE 0x3E
#define ILOPCODE_BLT 0x3F
#define ILOPCODE_BNE_UN 0x40
#define ILOPCODE_BGE_UN 0x41
#define ILOPCODE_BGT_UN 0x42
#define ILOPCODE_BLE_UN 0x43
#define ILOPCODE_BLT_UN 0x44
#define ILOPCODE_SWITCH 0x45
#define ILOPCODE_LDIND_I1 0x46
#define ILOPCODE_LDIND_U1 0x47
#define ILOPCODE_LDIND_I2 0x48
#define ILOPCODE_LDIND_U2 0x49
#define ILOPCODE_LDIND_I4 0x4A
#define ILOPCODE_LDIND_U4 0x4B
#define ILOPCODE_LDIND_I8 0x4C
#define ILOPCODE_LDIND_I 0x4D
#define ILOPCODE_LDIND_R4 0x4E
#define ILOPCODE_LDIND_R8 0x4F
#define ILOPCODE_LDIND_REF 0x50
#define ILOPCODE_STIND_REF 0x51
#define ILOPCODE_STIND_I1 0x52
#define ILOPCODE_STIND_I2 0x53
#define ILOPCODE_STIND_I4 0x54
#define ILOPCODE_STIND_I8 0x55
#define ILOPCODE_STIND_R4 0x56
#define ILOPCODE_STIND_R8 0x57
#define ILOPCODE_ADD 0x58
#define ILOPCODE_SUB 0x59
#define ILOPCODE_MUL 0x5A
#define ILOPCODE_DIV 0x5B
#define ILOPCODE_DIV_UN 0x5C
#define ILOPCODE_REM 0x5D
#define ILOPCODE_REM_UN 0x5E
#define ILOPCODE_AND 0x5F
#define ILOPCODE_OR 0x60
#define ILOPCODE_XOR 0x61
#define ILOPCODE_SHL 0x62
#define ILOPCODE_SHR 0x63
#define ILOPCODE_SHR_UN 0x64
#define ILOPCODE_NEG 0x65
#define ILOPCODE_NOT 0x66
#define ILOPCODE_CONV_I1 0x67
#define ILOPCODE_CONV_I2 0x68
#define ILOPCODE_CONV_I4 0x69
#define ILOPCODE_CONV_I8 0x6A
#define ILOPCODE_CONV_R4 0x6B
#define ILOPCODE_CONV_R8 0x6C
#define ILOPCODE_CONV_U4 0x6D
#define ILOPCODE_CONV_U8 0x6E
#define ILOPCODE_CALLVIRT 0x6F
#define ILOPCODE_CPOBJ 0x70
#define ILOPCODE_LDOBJ 0x71
#define ILOPCODE_LDSTR 0x72
#define ILOPCODE_NEWOBJ 0x73
#define ILOPCODE_CASTCLASS 0x74
#define ILOPCODE_ISINST 0x75
#define ILOPCODE_CONV_R_UN 0x76
//#define ILOPCODE_? 0x77
//#define ILOPCODE_? 0x78
#define ILOPCODE_UNBOX 0x79
#define ILOPCODE_THROW 0x7A
#define ILOPCODE_LDFLD 0x7B
#define ILOPCODE_LDFLDA 0x7C
#define ILOPCODE_STFLD 0x7D
#define ILOPCODE_LDSFLD 0x7E
#define ILOPCODE_LDSFLDA 0x7F
#define ILOPCODE_STSFLD 0x80
#define ILOPCODE_STOBJ 0x81
#define ILOPCODE_CONV_OVF_I1_UN 0x82
#define ILOPCODE_CONV_OVF_I2_UN 0x83
#define ILOPCODE_CONV_OVF_I4_UN 0x84
#define ILOPCODE_CONV_OVF_I8_UN 0x85
#define ILOPCODE_CONV_OVF_U1_UN 0x86
#define ILOPCODE_CONV_OVF_U2_UN 0x87
#define ILOPCODE_CONV_OVF_U4_UN 0x88
#define ILOPCODE_CONV_OVF_U8_UN 0x89
#define ILOPCODE_CONV_OVF_I_UN 0x8A
#define ILOPCODE_CONV_OVF_U_UN 0x8B
#define ILOPCODE_BOX 0x8C
#define ILOPCODE_NEWARR 0x8D
#define ILOPCODE_LDLEN 0x8E
#define ILOPCODE_LDELEMA 0x8F
#define ILOPCODE_LDELEM_I1 0x90
#define ILOPCODE_LDELEM_U1 0x91
#define ILOPCODE_LDELEM_I2 0x92
#define ILOPCODE_LDELEM_U2 0x93
#define ILOPCODE_LDELEM_I4 0x94
#define ILOPCODE_LDELEM_U4 0x95
#define ILOPCODE_LDELEM_I8 0x96
#define ILOPCODE_LDELEM_I 0x97
#define ILOPCODE_LDELEM_R4 0x98
#define ILOPCODE_LDELEM_R8 0x99
#define ILOPCODE_LDELEM_REF 0x9A
#define ILOPCODE_STELEM_I 0x9B
#define ILOPCODE_STELEM_I1 0x9C
#define ILOPCODE_STELEM_I2 0x9D
#define ILOPCODE_STELEM_I4 0x9E
#define ILOPCODE_STELEM_I8 0x9F
#define ILOPCODE_STELEM_R4 0xA0
#define ILOPCODE_STELEM_R8 0xA1
#define ILOPCODE_STELEM_REF 0xA2
#define ILOPCODE_LDELEM 0xA3 //
#define ILOPCODE_STELEM 0xA4 // Introduced with the framework 2.0
#define ILOPCODE_UNBOX_ANY 0xA5 //
//#define ILOPCODE_? 0xA6
//#define ILOPCODE_? 0xA7
//#define ILOPCODE_? 0xA8
//#define ILOPCODE_? 0xA9
//#define ILOPCODE_? 0xAA
//#define ILOPCODE_? 0xAB
//#define ILOPCODE_? 0xAC
//#define ILOPCODE_? 0xAD
//#define ILOPCODE_? 0xAE
//#define ILOPCODE_? 0xAF
//#define ILOPCODE_? 0xB0
//#define ILOPCODE_? 0xB1
//#define ILOPCODE_? 0xB2
#define ILOPCODE_CONV_OVF_I1 0xB3
#define ILOPCODE_CONV_OVF_U1 0xB4
#define ILOPCODE_CONV_OVF_I2 0xB5
#define ILOPCODE_CONV_OVF_U2 0xB6
#define ILOPCODE_CONV_OVF_I4 0xB7
#define ILOPCODE_CONV_OVF_U4 0xB8
#define ILOPCODE_CONV_OVF_I8 0xB9
#define ILOPCODE_CONV_OVF_U8 0xBA
//#define ILOPCODE_? 0xBB
//#define ILOPCODE_? 0xBC
//#define ILOPCODE_? 0xBD
//#define ILOPCODE_? 0xBE
//#define ILOPCODE_? 0xBF
//#define ILOPCODE_? 0xC0
//#define ILOPCODE_? 0xC1
#define ILOPCODE_REFANYVAL 0xC2
#define ILOPCODE_CKFINITE 0xC3
//#define ILOPCODE_? 0xC4
//#define ILOPCODE_? 0xC5
#define ILOPCODE_MKREFANY 0xC6
//#define ILOPCODE_? 0xC7
//#define ILOPCODE_? 0xC8
//#define ILOPCODE_? 0xC9
//#define ILOPCODE_? 0xCA
//#define ILOPCODE_? 0xCB
//#define ILOPCODE_? 0xCC
//#define ILOPCODE_? 0xCD
//#define ILOPCODE_? 0xCE
//#define ILOPCODE_? 0xCF
#define ILOPCODE_LDTOKEN 0xD0
#define ILOPCODE_CONV_U2 0xD1
#define ILOPCODE_CONV_U1 0xD2
#define ILOPCODE_CONV_I 0xD3
#define ILOPCODE_CONV_OVF_I 0xD4
#define ILOPCODE_CONV_OVF_U 0xD5
#define ILOPCODE_ADD_OVF 0xD6
#define ILOPCODE_ADD_OVF_UN 0xD7
#define ILOPCODE_MUL_OVF 0xD8
#define ILOPCODE_MUL_OVF_UN 0xD9
#define ILOPCODE_SUB_OVF 0xDA
#define ILOPCODE_SUB_OVF_UN 0xDB
#define ILOPCODE_ENDFINALLY 0xDC
#define ILOPCODE_LEAVE 0xDD
#define ILOPCODE_LEAVE_S 0xDE
#define ILOPCODE_STIND_I 0xDF
#define ILOPCODE_CONV_U 0xE0
//
// Two-bytes opcodes
//
#define ILOPCODE_ARGLIST 0x00FE
#define ILOPCODE_CEQ 0x01FE
#define ILOPCODE_CGT 0x02FE
#define ILOPCODE_CGT_UN 0x03FE
#define ILOPCODE_CLT 0x04FE
#define ILOPCODE_CLT_UN 0x05FE
#define ILOPCODE_LDFTN 0x06FE
#define ILOPCODE_LDVIRTFTN 0x07FE
//#define ILOPCODE_? 0x08FE
#define ILOPCODE_LDARG 0x09FE
#define ILOPCODE_LDARGA 0x0AFE
#define ILOPCODE_STARG 0x0BFE
#define ILOPCODE_LDLOC 0x0CFE
#define ILOPCODE_LDLOCA 0x0DFE
#define ILOPCODE_STLOC 0x0EFE
#define ILOPCODE_LOCALLOC 0x0FFE
//#define ILOPCODE_? 0x10FE
#define ILOPCODE_ENDFILTER 0x11FE
#define ILOPCODE_UNALIGNED_ 0x12FE
#define ILOPCODE_VOLATILE_ 0x13FE
#define ILOPCODE_TAIL_ 0x14FE
#define ILOPCODE_INITOBJ 0x15FE
#define ILOPCODE_CONSTRAINED_ 0x16FE // Introduced with the framework 2.0
#define ILOPCODE_CPBLK 0x17FE
#define ILOPCODE_INITBLK 0x18FE
#define ILOPCODE_NO_ 0x19FE // Introduced with the framework 2.0
#define ILOPCODE_RETHROW 0x1AFE
//#define ILOPCODE_? 0x1BFE
#define ILOPCODE_SIZEOF 0x1CFE
#define ILOPCODE_REFANYTYPE_V2 0x1DFE
#define ILOPCODE_READONLY_ 0x1EFE // Introduced with the framework 2.0
#ifndef QWORD
typedef unsigned __int64 QWORD;
#endif
typedef unsigned int DISASMSIL_OFFSET;
#define MAX_DISASMMSIL_MNEMONIC 100
typedef struct _ILOPCODE_STRUCT
{
DISASMSIL_OFFSET Offset;
unsigned int Size;
char Mnemonic[MAX_DISASMMSIL_MNEMONIC];
} ILOPCODE_STRUCT, *PILOPCODE_STRUCT;
BOOL GetSingleMSILInstr(BYTE *pMemory,
UINT MemorySize,
DISASMSIL_OFFSET CodeBase,
ILOPCODE_STRUCT *ilop);
BOOL DisasMSIL(BYTE *pMemory,
UINT MemorySize,
DISASMSIL_OFFSET CodeBase,
ILOPCODE_STRUCT *iloparray,
UINT nOpcodeStructs,
UINT *nDisassembledInstr);
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The languages I know best are: C, C++, C#, Assembly (x86, x64, ARM), MSIL, Python, Lua. The environments I frequently use are: Qt, Win32, MFC, .NET, WDK. I'm a developer and a reverse engineer and I like playing around with internals.
You can find most of my work at
http://ntcore.com.
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