| public GetNormalOperandType ( ) : x86OperandType | ||
| return | x86OperandType | |
private byte[] ReadRawOperand(x86OpCode opcode)
{
switch (opcode.GetNormalOperandType())
{
case x86OperandType.Byte:
case x86OperandType.ShortInstructionAddress:
return(new byte[] { reader.ReadByte() });
case x86OperandType.Dword:
case x86OperandType.InstructionAddress:
return(reader.ReadBytes(sizeof(int)));
case x86OperandType.Fword:
return(reader.ReadBytes(6));
case x86OperandType.Word:
return(reader.ReadBytes(sizeof(ushort)));
case x86OperandType.WordAndByte:
return(reader.ReadBytes(sizeof(ushort) + sizeof(byte)));
case x86OperandType.Qword:
return(reader.ReadBytes(sizeof(ulong)));
case x86OperandType.Multiple32Register:
case x86OperandType.Multiple16Register:
case x86OperandType.Multiple32Or8Register:
case x86OperandType.Register32:
case x86OperandType.RegisterLeaRegister:
break;
}
return(null);
}
private void GenerateBytes()
{
switch (code.GetNormalOperandType())
{
case x86OperandType.None:
break;
case x86OperandType.Byte:
operandbytes = new byte[] { (byte)operand1.Value };
break;
case x86OperandType.Word:
operandbytes = BitConverter.GetBytes((short)operand1.Value);
break;
case x86OperandType.Dword:
operandbytes = BitConverter.GetBytes((int)operand1.Value);
break;
case x86OperandType.Qword:
operandbytes = BitConverter.GetBytes((long)operand1.Value);
break;
case x86OperandType.InstructionAddress:
Offset targetOffset = ((Offset)operand1.Value);
int difference = (int)((targetOffset.FileOffset + this.Size) - Offset.FileOffset);
operandbytes = BitConverter.GetBytes(difference);
break;
case x86OperandType.ShortInstructionAddress:
targetOffset = ((Offset)operand1.Value);
difference = (int)((targetOffset.FileOffset + this.Size) - Offset.FileOffset);
operandbytes = new byte[] { (byte)difference };
break;
case x86OperandType.Register32:
code._opcodeBytes[code._variableByteIndex] += (byte)(x86Register)operand1.Value;
break;
default:
throw new NotImplementedException("The instruction bytes could not be created because the operand type is not supported yet.");
}
}
internal byte[] ReadRawOperand(x86OpCode opcode)
{
switch (opcode.GetNormalOperandType())
{
case x86OperandType.Byte:
case x86OperandType.ShortInstructionAddress:
return new byte[] { reader.ReadByte() };
case x86OperandType.Dword:
case x86OperandType.InstructionAddress:
return reader.ReadBytes(sizeof(int));
case x86OperandType.Fword:
return reader.ReadBytes(6);
case x86OperandType.Word:
return reader.ReadBytes(sizeof(ushort));
case x86OperandType.WordAndByte:
return reader.ReadBytes(sizeof(ushort) + sizeof(byte));
case x86OperandType.Qword:
return reader.ReadBytes(sizeof(ulong));
case x86OperandType.Multiple32Register:
case x86OperandType.Multiple16Register:
case x86OperandType.Multiple32Or8Register:
case x86OperandType.Register32:
case x86OperandType.RegisterLeaRegister:
break;
}
return null;
}
