public static DisassembledInstruction DisassembleInstructionAt(byte[] chunks, int byteIndex, uint startOffset)
{
if (byteIndex >= chunks.Length)
return null;
// NOTE: offset needs to be right for branching to get correct values
var cur = new DisassembledInstruction { Offset = startOffset, RollingByteIndex = byteIndex };
// always use opCode.RollingByteIndex, as the functions update how much they moved forward
if (chunks[cur.RollingByteIndex] > 0xE0)
ReadPrefix(chunks, cur);
// single byte instruction
if (chunks[cur.RollingByteIndex] <= 0xE0)
ReadSingleByteInstruction(chunks, cur);
else
ReadTwoByteInstruction(chunks, cur);
cur.Size = cur.RollingByteIndex - byteIndex;
return cur;
}
private static void ReadParameter(DisassembledInstruction dec, byte[] chunks, ArgType type, bool isPrefixVal)
{
if (isPrefixVal)
dec.PrefixType = type;
else
dec.ArgType = type;
if (type == ArgType.None)
return;
int curIdx = dec.RollingByteIndex;
double? parsedVal = null;
switch (type)
{
case ArgType.SmallBranch:
case ArgType.Byte:
case ArgType.Char:
case ArgType.UChar:
if (type != ArgType.UChar)
parsedVal = chunks[curIdx];
else
parsedVal = ((sbyte)chunks[curIdx]);
++curIdx;
break;
case ArgType.Short:
if (EnsureRoom(chunks, curIdx, 2))
{
parsedVal = BitConverter.ToInt16(chunks, curIdx);
curIdx += 2;
}
break;
case ArgType.UShort:
if (EnsureRoom(chunks, curIdx, 2))
{
parsedVal = BitConverter.ToUInt16(chunks, curIdx);
curIdx += 2;
}
break;
case ArgType.Token:
case ArgType.UInt:
case ArgType.Branch:
case ArgType.Dword:
if (EnsureRoom(chunks, curIdx, 4))
{
parsedVal = BitConverter.ToUInt32(chunks, curIdx);
curIdx += 4;
}
break;
case ArgType.Int:
if (EnsureRoom(chunks, curIdx, 4))
{
parsedVal = BitConverter.ToInt32(chunks, curIdx);
curIdx += 4;
}
break;
case ArgType.Qword:
if (EnsureRoom(chunks, curIdx, 8))
{
parsedVal = BitConverter.ToUInt64(chunks, curIdx);
curIdx += 8;
}
break;
case ArgType.Int64:
if (EnsureRoom(chunks, curIdx, 8))
{
parsedVal = BitConverter.ToInt64(chunks, curIdx);
curIdx += 8;
}
break;
case ArgType.Switch:
// first uint -> # of uints follow it, its an array of switch offsets
// [dword #1] ([dword] [dword] .... ) x #1
if (EnsureRoom(chunks, curIdx, 4))
{
int switchOffsetsCount = BitConverter.ToInt32(chunks, curIdx);
curIdx += 4;
// TODO: does the array of offsets need to be saved?
int switchByteSize = 4 * switchOffsetsCount;
if (EnsureRoom(chunks, curIdx, switchByteSize))
curIdx += switchByteSize;
}
break;
}
if (parsedVal != null)
{
if (isPrefixVal)
dec.PrefixValue = parsedVal.Value;
else
dec.ArgValue = parsedVal.Value;
}
// dont forget to update this, wups
dec.RollingByteIndex = curIdx;
}
private static void SetPrefix(DisassembledInstruction dec, Prefix prefix, byte[] chunks, ArgType type)
{
dec.PrefixType = type;
dec.Prefix = prefix;
ReadParameter(dec, chunks, type, true);
}
private static void SetInstruction(DisassembledInstruction dec, Instruction instr, byte[] chunks, ArgType type)
{
dec.Instruction = instr;
ReadParameter(dec, chunks, type, false);
}
// for instructions with no parameters (which i incorrectly call args ;)
private static void SetInstruction(DisassembledInstruction dec, Instruction instr)
{
dec.Instruction = instr;
dec.ArgType = ArgType.None;
}
private static bool ReadTwoByteInstruction(byte[] chunks, DisassembledInstruction dec)
{
ushort opChunk = BitConverter.ToUInt16(chunks, dec.RollingByteIndex);
dec.RollingByteIndex += 2; // opcode size
switch ((OpCode)opChunk)
{
case OpCode.ARGLIST: SetInstruction(dec, Instruction.Arglist); break;
case OpCode.CEQ: SetInstruction(dec, Instruction.Ceq); break;
case OpCode.CGT: SetInstruction(dec, Instruction.Cgt); break;
case OpCode.CGT_UN: SetInstruction(dec, Instruction.Cgt_un); break;
case OpCode.CLT: SetInstruction(dec, Instruction.Clt); break;
case OpCode.CLT_UN: SetInstruction(dec, Instruction.Clt); break;
case OpCode.LDFTN: SetInstruction(dec, Instruction.Ldftn, chunks, ArgType.Token); break;
case OpCode.LDVIRTFTN: SetInstruction(dec, Instruction.Ldvirtftn, chunks, ArgType.Token); break;
case OpCode.LDARG: SetInstruction(dec, Instruction.Ldarg, chunks, ArgType.UShort); break;
case OpCode.LDARGA: SetInstruction(dec, Instruction.Ldarga, chunks, ArgType.UShort); break;
case OpCode.STARG: SetInstruction(dec, Instruction.Starg, chunks, ArgType.UShort); break;
case OpCode.LDLOC: SetInstruction(dec, Instruction.Ldloc, chunks, ArgType.UShort); break;
case OpCode.LDLOCA: SetInstruction(dec, Instruction.Ldloca, chunks, ArgType.UShort); break;
case OpCode.STLOC: SetInstruction(dec, Instruction.Stloc, chunks, ArgType.UShort); break;
case OpCode.LOCALLOC: SetInstruction(dec, Instruction.Localloc); break;
case OpCode.ENDFILTER: SetInstruction(dec, Instruction.Endfilter); break;
case OpCode.INITOBJ: SetInstruction(dec, Instruction.Initobj, chunks, ArgType.Token); break;
case OpCode.CPBLK: SetInstruction(dec, Instruction.Cpblk); break;
case OpCode.RETHROW: SetInstruction(dec, Instruction.Rethrow); break;
case OpCode.SIZEOF: SetInstruction(dec, Instruction.Sizeof, chunks, ArgType.Token); break;
case OpCode.REFANYTYPE_V2: SetInstruction(dec, Instruction.Refanytype_v2); break;
default: return false;
}
return true;
}
private static bool ReadSingleByteInstruction(byte[] chunks, DisassembledInstruction dec)
{
byte opChunk = chunks[dec.RollingByteIndex];
++dec.RollingByteIndex;
// yep. nothing clever here, sorry
switch ((OpCode)opChunk)
{
case OpCode.NOP: SetInstruction(dec, Instruction.Nop); break;
case OpCode.BREAK: SetInstruction(dec, Instruction.Break); break;
case OpCode.LDARG_0: SetInstruction(dec, Instruction.Ldarg_0); break;
case OpCode.LDARG_1: SetInstruction(dec, Instruction.Ldarg_1); break;
case OpCode.LDARG_2: SetInstruction(dec, Instruction.Ldarg_2); break;
case OpCode.LDARG_3: SetInstruction(dec, Instruction.Ldarg_3); break;
case OpCode.LDLOC_0: SetInstruction(dec, Instruction.Ldloc_0); break;
case OpCode.LDLOC_1: SetInstruction(dec, Instruction.Ldloc_1); break;
case OpCode.LDLOC_2: SetInstruction(dec, Instruction.Ldloc_2); break;
case OpCode.LDLOC_3: SetInstruction(dec, Instruction.Ldloc_3); break;
case OpCode.STLOC_0: SetInstruction(dec, Instruction.Stloc_0); break;
case OpCode.STLOC_1: SetInstruction(dec, Instruction.Stloc_1); break;
case OpCode.STLOC_2: SetInstruction(dec, Instruction.Stloc_1); break;
case OpCode.STLOC_3: SetInstruction(dec, Instruction.Stloc_1); break;
case OpCode.LDARG_S: SetInstruction(dec, Instruction.Ldarg_s, chunks, ArgType.UChar); break;
case OpCode.LDARGA_S: SetInstruction(dec, Instruction.Ldarga_s, chunks, ArgType.UChar); break;
case OpCode.STARG_S: SetInstruction(dec, Instruction.Starg_s, chunks, ArgType.UChar); break;
case OpCode.LDLOC_S: SetInstruction(dec, Instruction.Ldloc_s, chunks, ArgType.UChar); break;
case OpCode.LDLOCA_S: SetInstruction(dec, Instruction.Ldloca_s, chunks, ArgType.UChar); break;
case OpCode.STLOC_S: SetInstruction(dec, Instruction.Stloc_s, chunks, ArgType.UChar); break;
case OpCode.LDNULL: SetInstruction(dec, Instruction.Ldnull); break;
case OpCode.LDC_I4_M1: SetInstruction(dec, Instruction.Ldc_i4_m1); break;
case OpCode.LDC_I4_0: SetInstruction(dec, Instruction.Ldc_i4_0); break;
case OpCode.LDC_I4_1: SetInstruction(dec, Instruction.Ldc_i4_1); break;
case OpCode.LDC_I4_2: SetInstruction(dec, Instruction.Ldc_i4_2); break;
case OpCode.LDC_I4_3: SetInstruction(dec, Instruction.Ldc_i4_3); break;
case OpCode.LDC_I4_4: SetInstruction(dec, Instruction.Ldc_i4_4); break;
case OpCode.LDC_I4_5: SetInstruction(dec, Instruction.Ldc_i4_5); break;
case OpCode.LDC_I4_6: SetInstruction(dec, Instruction.Ldc_i4_6); break;
case OpCode.LDC_I4_7: SetInstruction(dec, Instruction.Ldc_i4_7); break;
case OpCode.LDC_I4_8: SetInstruction(dec, Instruction.Ldc_i4_8); break;
case OpCode.LDC_I4_S: SetInstruction(dec, Instruction.Ldc_i4_s, chunks, ArgType.Char); break;
case OpCode.LDC_I4: SetInstruction(dec, Instruction.Ldc_i4, chunks, ArgType.Int); break;
case OpCode.LDC_I8: SetInstruction(dec, Instruction.Ldc_i8, chunks, ArgType.Int64); break;
case OpCode.LDC_R4: SetInstruction(dec, Instruction.Ldc_r4, chunks, ArgType.Dword); break;
case OpCode.LDC_R8: SetInstruction(dec, Instruction.Ldc_r8, chunks, ArgType.Qword); break;
case OpCode.DUP: SetInstruction(dec, Instruction.Dup); break;
case OpCode.POP: SetInstruction(dec, Instruction.Pop); break;
case OpCode.JMP: SetInstruction(dec, Instruction.Jmp, chunks, ArgType.Dword); break;
case OpCode.CALL: SetInstruction(dec, Instruction.Call, chunks, ArgType.Dword); break;
case OpCode.CALLI: SetInstruction(dec, Instruction.Calli, chunks, ArgType.Dword); break;
case OpCode.RET: SetInstruction(dec, Instruction.Ret); break;
case OpCode.BR_S: SetInstruction(dec, Instruction.Br_s, chunks, ArgType.SmallBranch); break;
case OpCode.BRFALSE_S: SetInstruction(dec, Instruction.Brfalse_s, chunks, ArgType.SmallBranch); break;
case OpCode.BRTRUE_S: SetInstruction(dec, Instruction.Brtrue_s, chunks, ArgType.SmallBranch); break;
case OpCode.BEQ_S: SetInstruction(dec, Instruction.Beq_s, chunks, ArgType.SmallBranch); break;
case OpCode.BGE_S: SetInstruction(dec, Instruction.Bge_s, chunks, ArgType.SmallBranch); break;
case OpCode.BGT_S: SetInstruction(dec, Instruction.Bgt_s, chunks, ArgType.SmallBranch); break;
case OpCode.BLE_S: SetInstruction(dec, Instruction.Ble_s, chunks, ArgType.SmallBranch); break;
case OpCode.BLT_S: SetInstruction(dec, Instruction.Blt_s, chunks, ArgType.SmallBranch); break;
case OpCode.BNE_UN_S: SetInstruction(dec, Instruction.Bne_un_s, chunks, ArgType.SmallBranch); break;
case OpCode.BGE_UN_S: SetInstruction(dec, Instruction.Bge_un_s, chunks, ArgType.SmallBranch); break;
case OpCode.BGT_UN_S: SetInstruction(dec, Instruction.Bgt_un_s, chunks, ArgType.SmallBranch); break;
case OpCode.BLE_UN_S: SetInstruction(dec, Instruction.Ble_un_s, chunks, ArgType.SmallBranch); break;
case OpCode.BLT_UN_S: SetInstruction(dec, Instruction.Blt_un_s, chunks, ArgType.SmallBranch); break;
case OpCode.BR: SetInstruction(dec, Instruction.Br, chunks, ArgType.Branch); break;
case OpCode.BRFALSE: SetInstruction(dec, Instruction.Brfalse, chunks, ArgType.Branch); break;
case OpCode.BRTRUE: SetInstruction(dec, Instruction.Brtrue, chunks, ArgType.Branch); break;
case OpCode.BEQ: SetInstruction(dec, Instruction.Beq, chunks, ArgType.Branch); break;
case OpCode.BGE: SetInstruction(dec, Instruction.Bge, chunks, ArgType.Branch); break;
case OpCode.BGT: SetInstruction(dec, Instruction.Bgt, chunks, ArgType.Branch); break;
case OpCode.BLE: SetInstruction(dec, Instruction.Ble, chunks, ArgType.Branch); break;
case OpCode.BLT: SetInstruction(dec, Instruction.Blt, chunks, ArgType.Branch); break;
case OpCode.BNE_UN: SetInstruction(dec, Instruction.Bne_un, chunks, ArgType.Branch); break;
case OpCode.BGE_UN: SetInstruction(dec, Instruction.Bge_un, chunks, ArgType.Branch); break;
case OpCode.BGT_UN: SetInstruction(dec, Instruction.Bgt_un, chunks, ArgType.Branch); break;
case OpCode.BLE_UN: SetInstruction(dec, Instruction.Ble_un, chunks, ArgType.Branch); break;
case OpCode.BLT_UN: SetInstruction(dec, Instruction.Blt_un, chunks, ArgType.Branch); break;
case OpCode.SWITCH: SetInstruction(dec, Instruction.Switch, chunks, ArgType.Switch); break;
case OpCode.LDIND_I1: SetInstruction(dec, Instruction.Ldind_i1); break;
case OpCode.LDIND_I2: SetInstruction(dec, Instruction.Ldind_i2); break;
case OpCode.LDIND_I4: SetInstruction(dec, Instruction.Ldind_i4); break;
case OpCode.LDIND_I8: SetInstruction(dec, Instruction.Ldind_i8); break;
case OpCode.LDIND_U1: SetInstruction(dec, Instruction.Ldind_u1); break;
case OpCode.LDIND_U2: SetInstruction(dec, Instruction.Ldind_u2); break;
case OpCode.LDIND_U4: SetInstruction(dec, Instruction.Ldind_u4); break;
case OpCode.LDIND_I: SetInstruction(dec, Instruction.Ldind_i); break;
case OpCode.LDIND_R4: SetInstruction(dec, Instruction.Ldind_r4); break;
case OpCode.LDIND_R8: SetInstruction(dec, Instruction.Ldind_r8); break;
case OpCode.LDIND_REF: SetInstruction(dec, Instruction.Ldind_ref); break;
case OpCode.STIND_REF: SetInstruction(dec, Instruction.Stind_ref); break;
case OpCode.STIND_I1: SetInstruction(dec, Instruction.Stind_i1); break;
case OpCode.STIND_I2: SetInstruction(dec, Instruction.Stind_i2); break;
case OpCode.STIND_I4: SetInstruction(dec, Instruction.Stind_i4); break;
case OpCode.STIND_I8: SetInstruction(dec, Instruction.Stind_i8); break;
case OpCode.STIND_R4: SetInstruction(dec, Instruction.Stind_r4); break;
case OpCode.STIND_R8: SetInstruction(dec, Instruction.Stind_r8); break;
case OpCode.ADD: SetInstruction(dec, Instruction.Add); break;
case OpCode.SUB: SetInstruction(dec, Instruction.Sub); break;
case OpCode.MUL: SetInstruction(dec, Instruction.Mul); break;
case OpCode.DIV: SetInstruction(dec, Instruction.Div); break;
case OpCode.DIV_UN: SetInstruction(dec, Instruction.Div_un); break;
case OpCode.REM: SetInstruction(dec, Instruction.Rem); break;
case OpCode.REM_UN: SetInstruction(dec, Instruction.Rem_un); break;
case OpCode.AND: SetInstruction(dec, Instruction.And); break;
case OpCode.OR: SetInstruction(dec, Instruction.Or); break;
case OpCode.XOR: SetInstruction(dec, Instruction.Xor); break;
case OpCode.SHL: SetInstruction(dec, Instruction.Shl); break;
case OpCode.SHR: SetInstruction(dec, Instruction.Shr); break;
case OpCode.SHR_UN: SetInstruction(dec, Instruction.Shr_un); break;
case OpCode.NEG: SetInstruction(dec, Instruction.Neg); break;
case OpCode.NOT: SetInstruction(dec, Instruction.Not); break;
case OpCode.CONV_I1: SetInstruction(dec, Instruction.Conv_i1); break;
case OpCode.CONV_I2: SetInstruction(dec, Instruction.Conv_i2); break;
case OpCode.CONV_I4: SetInstruction(dec, Instruction.Conv_i4); break;
case OpCode.CONV_I8: SetInstruction(dec, Instruction.Conv_i8); break;
case OpCode.CONV_R4: SetInstruction(dec, Instruction.Conv_r4); break;
case OpCode.CONV_R8: SetInstruction(dec, Instruction.Conv_r8); break;
case OpCode.CONV_U4: SetInstruction(dec, Instruction.Conv_u4); break;
case OpCode.CONV_U8: SetInstruction(dec, Instruction.Conv_u8); break;
case OpCode.CALLVIRT: SetInstruction(dec, Instruction.Callvirt, chunks, ArgType.Token); break;
case OpCode.CPOBJ: SetInstruction(dec, Instruction.Cpobj, chunks, ArgType.Token); break;
case OpCode.LDOBJ: SetInstruction(dec, Instruction.Ldobj, chunks, ArgType.Token); break;
case OpCode.LDSTR: SetInstruction(dec, Instruction.Ldstr, chunks, ArgType.Token); break;
case OpCode.NEWOBJ: SetInstruction(dec, Instruction.Newobj, chunks, ArgType.Token); break;
case OpCode.CASTCLASS: SetInstruction(dec, Instruction.Castclass, chunks, ArgType.Token); break;
case OpCode.ISINST: SetInstruction(dec, Instruction.Isinst, chunks, ArgType.Token); break;
case OpCode.CONV_R_UN: SetInstruction(dec, Instruction.Conv_r_un); break;
case OpCode.UNBOX: SetInstruction(dec, Instruction.Unbox, chunks, ArgType.Token); break;
case OpCode.THROW: SetInstruction(dec, Instruction.Throw); break;
case OpCode.LDFLD: SetInstruction(dec, Instruction.Ldfld, chunks, ArgType.Token); break;
case OpCode.LDFLDA: SetInstruction(dec, Instruction.Ldflda, chunks, ArgType.Token); break;
case OpCode.STFLD: SetInstruction(dec, Instruction.Stfld, chunks, ArgType.Token); break;
case OpCode.LDSFLD: SetInstruction(dec, Instruction.Ldsfld, chunks, ArgType.Token); break;
case OpCode.LDSFLDA: SetInstruction(dec, Instruction.Ldsflda, chunks, ArgType.Token); break;
case OpCode.STSFLD: SetInstruction(dec, Instruction.Stsfld, chunks, ArgType.Token); break;
case OpCode.STOBJ: SetInstruction(dec, Instruction.Stobj, chunks, ArgType.Token); break;
case OpCode.CONV_OVF_I1_UN: SetInstruction(dec, Instruction.Conv_ovf_i1_un); break;
case OpCode.CONV_OVF_I2_UN: SetInstruction(dec, Instruction.Conv_ovf_i2_un); break;
case OpCode.CONV_OVF_I4_UN: SetInstruction(dec, Instruction.Conv_ovf_i4_un); break;
case OpCode.CONV_OVF_I8_UN: SetInstruction(dec, Instruction.Conv_ovf_i8_un); break;
case OpCode.CONV_OVF_U1_UN: SetInstruction(dec, Instruction.Conv_ovf_u1_un); break;
case OpCode.CONV_OVF_U2_UN: SetInstruction(dec, Instruction.Conv_ovf_u2_un); break;
case OpCode.CONV_OVF_U4_UN: SetInstruction(dec, Instruction.Conv_ovf_u4_un); break;
case OpCode.CONV_OVF_U8_UN: SetInstruction(dec, Instruction.Conv_ovf_u8_un); break;
case OpCode.CONV_OVF_U_UN: SetInstruction(dec, Instruction.Conv_ovf_u_un); break;
case OpCode.CONV_OVF_I_UN: SetInstruction(dec, Instruction.Conv_ovf_i_un); break;
case OpCode.BOX: SetInstruction(dec, Instruction.Box, chunks, ArgType.Token); break;
case OpCode.NEWARR: SetInstruction(dec, Instruction.Newarr, chunks, ArgType.Token); break;
case OpCode.LDLEN: SetInstruction(dec, Instruction.Ldlen); break;
case OpCode.LDELEMA: SetInstruction(dec, Instruction.Ldelema, chunks, ArgType.Token); break;
case OpCode.LDELEM_I1: SetInstruction(dec, Instruction.Ldelem_i1); break;
case OpCode.LDELEM_I2: SetInstruction(dec, Instruction.Ldelem_i2); break;
case OpCode.LDELEM_I4: SetInstruction(dec, Instruction.Ldelem_i4); break;
case OpCode.LDELEM_I8: SetInstruction(dec, Instruction.Ldelem_i8); break;
case OpCode.LDELEM_U1: SetInstruction(dec, Instruction.Ldelem_u1); break;
case OpCode.LDELEM_U2: SetInstruction(dec, Instruction.Ldelem_u2); break;
case OpCode.LDELEM_U4: SetInstruction(dec, Instruction.Ldelem_u4); break;
case OpCode.LDELEM_I: SetInstruction(dec, Instruction.Ldelem_i); break;
case OpCode.LDELEM_R4: SetInstruction(dec, Instruction.Ldelem_r4); break;
case OpCode.LDELEM_R8: SetInstruction(dec, Instruction.Ldelem_r8); break;
case OpCode.LDELEM_REF: SetInstruction(dec, Instruction.Ldelem_ref); break;
case OpCode.STELEM_I: SetInstruction(dec, Instruction.Stelem_i); break;
case OpCode.STELEM_I1: SetInstruction(dec, Instruction.Stelem_i1); break;
case OpCode.STELEM_I2: SetInstruction(dec, Instruction.Stelem_i2); break;
case OpCode.STELEM_I4: SetInstruction(dec, Instruction.Stelem_i4); break;
case OpCode.STELEM_I8: SetInstruction(dec, Instruction.Stelem_i8); break;
case OpCode.STELEM_R4: SetInstruction(dec, Instruction.Stelem_r4); break;
case OpCode.STELEM_R8: SetInstruction(dec, Instruction.Stelem_r8); break;
case OpCode.LDELEM: SetInstruction(dec, Instruction.Ldelem, chunks, ArgType.Token); break;
case OpCode.STELEM: SetInstruction(dec, Instruction.Stelem, chunks, ArgType.Token); break;
case OpCode.UNBOX_ANY: SetInstruction(dec, Instruction.Unbox_any, chunks, ArgType.Token); break;
case OpCode.CONV_OVF_I1: SetInstruction(dec, Instruction.Conv_ovf_i1); break;
case OpCode.CONV_OVF_I2: SetInstruction(dec, Instruction.Conv_ovf_i2); break;
case OpCode.CONV_OVF_I4: SetInstruction(dec, Instruction.Conv_ovf_i4); break;
case OpCode.CONV_OVF_I8: SetInstruction(dec, Instruction.Conv_ovf_i8); break;
case OpCode.CONV_OVF_U1: SetInstruction(dec, Instruction.Conv_ovf_u1); break;
case OpCode.CONV_OVF_U2: SetInstruction(dec, Instruction.Conv_ovf_u2); break;
case OpCode.CONV_OVF_U4: SetInstruction(dec, Instruction.Conv_ovf_u4); break;
case OpCode.CONV_OVF_U8: SetInstruction(dec, Instruction.Conv_ovf_u8); break;
case OpCode.REFANYVAL: SetInstruction(dec, Instruction.Refanyval, chunks, ArgType.Token); break;
case OpCode.CKFINITE: SetInstruction(dec, Instruction.Ckfinite); break;
case OpCode.MKREFANY: SetInstruction(dec, Instruction.Mkrefany, chunks, ArgType.Token); break;
case OpCode.LDTOKEN: SetInstruction(dec, Instruction.Ldtoken, chunks, ArgType.Token); break;
case OpCode.CONV_U: SetInstruction(dec, Instruction.Conv_u); break;
case OpCode.CONV_U1: SetInstruction(dec, Instruction.Conv_u1); break;
case OpCode.CONV_U2: SetInstruction(dec, Instruction.Conv_u2); break;
case OpCode.CONV_I: SetInstruction(dec, Instruction.Conv_i); break;
case OpCode.CONV_OVF_I: SetInstruction(dec, Instruction.Conv_ovf_i); break;
case OpCode.CONV_OVF_U: SetInstruction(dec, Instruction.Conv_ovf_u); break;
case OpCode.ADD_OVF: SetInstruction(dec, Instruction.Add_ovf); break;
case OpCode.ADD_OVF_UN: SetInstruction(dec, Instruction.Add_ovf_un); break;
case OpCode.MUL_OVF: SetInstruction(dec, Instruction.Mul_ovf); break;
case OpCode.MUL_OVF_UN: SetInstruction(dec, Instruction.Mul_ovf_un); break;
case OpCode.SUB_OVF: SetInstruction(dec, Instruction.Sub_ovf); break;
case OpCode.SUB_OVF_UN: SetInstruction(dec, Instruction.Sub_ovf_un); break;
case OpCode.ENDFINALLY: SetInstruction(dec, Instruction.Endfinally); break;
case OpCode.LEAVE: SetInstruction(dec, Instruction.Leave, chunks, ArgType.Branch); break;
case OpCode.LEAVE_S: SetInstruction(dec, Instruction.Leave_s, chunks, ArgType.SmallBranch); break;
case OpCode.STIND_I: SetInstruction(dec, Instruction.Stind_i); break;
default: return false;
}
return true;
}
private static void ReadPrefix(byte[] chunks, DisassembledInstruction dec)
{
ushort opChunk = BitConverter.ToUInt16(chunks, dec.RollingByteIndex);
dec.RollingByteIndex += 2; // opcode size
switch ((OpCode)opChunk)
{
case OpCode.CONSTRAINED_PREFIX: SetPrefix(dec, Prefix.Constrained, chunks, ArgType.None); break;
case OpCode.UNALIGNED_PREFIX: SetPrefix(dec, Prefix.Unaligned, chunks, ArgType.UChar); break;
case OpCode.NO_PREFIX: SetPrefix(dec, Prefix.No, chunks, ArgType.UChar); break;
case OpCode.TAIL_PREFIX: SetPrefix(dec, Prefix.Tail, chunks, ArgType.None); break;
case OpCode.VOLATILE_PREFIX: SetPrefix(dec, Prefix.Volatile, chunks, ArgType.None); break;
case OpCode.READONLY_PREFIX: SetPrefix(dec, Prefix.Readonly, chunks, ArgType.None); break;
}
}
