/// <summary>
/// Gets the name of the operand as used in the manuals.
/// </summary>
/// <param name="operand">The operand.</param>
/// <returns>The operand name.</returns>
string GetOperandManualName(X86OperandSpec operand)
{
switch (operand.Type)
{
case X86OperandType.RegisterOperand:
return("reg" + operand.Size.GetBitCount());
case X86OperandType.FixedRegister:
return(Enum.GetName(typeof(Register), operand.FixedRegister).ToUpperInvariant());
case X86OperandType.Immediate:
return("imm" + operand.Size.GetBitCount());
case X86OperandType.MemoryOperand:
return("mem" + operand.Size.GetBitCount());
case X86OperandType.MemoryOffset:
return("moffset" + operand.Size.GetBitCount());
case X86OperandType.FarPointer:
return("pntr16:" + operand.Size.GetBitCount());
case X86OperandType.RegisterOrMemoryOperand:
return("reg/mem" + operand.Size.GetBitCount());
case X86OperandType.RelativeOffset:
return("rel" + operand.Size.GetBitCount() + "off");
default:
throw new NotSupportedException("The operand type is not supported.");
}
}
/// <summary>
/// Writes the operand descriptor.
/// </summary>
/// <param name="operand">The operand specification.</param>
/// <param name="writer">The <see cref="TextWriter"/> to write to.</param>
void WriteOperandDescriptor(X86OperandSpec operand, TextWriter writer)
{
string encodingStr = string.Empty;
if (operand.Encoding != X86OperandEncoding.Default)
{
encodingStr = ", OperandEncoding." + Enum.GetName(typeof(X86OperandEncoding), operand.Encoding);
}
switch (operand.Type)
{
case X86OperandType.RegisterOperand:
writer.Write(T + T + T + T + T + "new OperandDescriptor(OperandType.RegisterOperand, RegisterType.GeneralPurpose{0}Bit" + encodingStr + ")",
operand.Size.GetBitCount());
break;
case X86OperandType.FixedRegister:
writer.Write(T + T + T + T + T + "new OperandDescriptor(Register.{0})",
Enum.GetName(typeof(Register), operand.FixedRegister).ToUpperInvariant());
break;
case X86OperandType.Immediate:
writer.Write(T + T + T + T + T + "new OperandDescriptor(OperandType.Immediate, DataSize.Bit{0}" + encodingStr + ")",
operand.Size.GetBitCount());
break;
case X86OperandType.MemoryOperand:
writer.Write(T + T + T + T + T + "new OperandDescriptor(OperandType.MemoryOperand, DataSize.Bit{0}" + encodingStr + ")",
operand.Size.GetBitCount());
break;
case X86OperandType.MemoryOffset:
writer.Write(T + T + T + T + T + "new OperandDescriptor(OperandType.MemoryOffset, DataSize.Bit{0}" + encodingStr + ")",
operand.Size.GetBitCount());
break;
case X86OperandType.FarPointer:
writer.Write(T + T + T + T + T + "new OperandDescriptor(OperandType.FarPointer, DataSize.Bit{0}" + encodingStr + ")",
operand.Size.GetBitCount());
break;
case X86OperandType.RegisterOrMemoryOperand:
writer.Write(T + T + T + T + T + "new OperandDescriptor(OperandType.RegisterOrMemoryOperand, RegisterType.GeneralPurpose{0}Bit" + encodingStr + ")",
operand.Size.GetBitCount());
break;
case X86OperandType.RelativeOffset:
writer.Write(T + T + T + T + T + "new OperandDescriptor(OperandType.RelativeOffset, DataSize.Bit{0}" + encodingStr + ")",
operand.Size.GetBitCount());
break;
default:
throw new NotSupportedException("The operand type is not supported.");
}
}
/// <summary>
/// Gets the arguments for the specified operand.
/// </summary>
/// <param name="operand">The operand.</param>
/// <param name="clsCompliant">Whether the resulting method is CLS compliant.</param>
/// <returns>An array of tuples. Each tuple specifies the type of the argument and the
/// implementation as an operand. The latter uses <c>{0}</c> in place of the argument name.</returns>
IEnumerable <Tuple <X86OperandSpec, string, string> > GetOperandArguments(X86OperandSpec operand)
{
switch (operand.Type)
{
case X86OperandType.Immediate:
if (operand.Size == DataSize.Bit8)
{
return(new Tuple <X86OperandSpec, string, string>[] {
new Tuple <X86OperandSpec, string, string>(operand, "byte", "new Immediate({0}, DataSize.Bit8)"),
new Tuple <X86OperandSpec, string, string>(operand, "sbyte", "new Immediate({0}, DataSize.Bit8)"),
});
}
else if (operand.Size == DataSize.Bit16)
{
return(new Tuple <X86OperandSpec, string, string>[] {
new Tuple <X86OperandSpec, string, string>(operand, "short", "new Immediate({0}, DataSize.Bit16)"),
new Tuple <X86OperandSpec, string, string>(operand, "ushort", "new Immediate({0}, DataSize.Bit16)"),
});
}
else if (operand.Size == DataSize.Bit32)
{
return(new Tuple <X86OperandSpec, string, string>[] {
new Tuple <X86OperandSpec, string, string>(operand, "int", "new Immediate({0}, DataSize.Bit32)"),
new Tuple <X86OperandSpec, string, string>(operand, "uint", "new Immediate({0}, DataSize.Bit32)"),
});
}
else if (operand.Size == DataSize.Bit64)
{
return(new Tuple <X86OperandSpec, string, string>[] {
new Tuple <X86OperandSpec, string, string>(operand, "long", "new Immediate({0}, DataSize.Bit64)"),
new Tuple <X86OperandSpec, string, string>(operand, "ulong", "new Immediate({0}, DataSize.Bit64)"),
});
}
else
{
throw new NotSupportedException("The operand size is not supported.");
}
case X86OperandType.MemoryOperand:
return(new Tuple <X86OperandSpec, string, string>[] {
new Tuple <X86OperandSpec, string, string>(operand, "EffectiveAddress", "{0}"),
});
case X86OperandType.MemoryOffset:
return(new Tuple <X86OperandSpec, string, string>[] {
new Tuple <X86OperandSpec, string, string>(operand, "MemoryOffset", "{0}"),
});
case X86OperandType.FarPointer:
return(new Tuple <X86OperandSpec, string, string>[] {
new Tuple <X86OperandSpec, string, string>(operand, "FarPointer", "{0}"),
new Tuple <X86OperandSpec, string, string>(operand, "EffectiveAddress", "{0}"),
});
case X86OperandType.RegisterOrMemoryOperand:
return(new Tuple <X86OperandSpec, string, string>[] {
new Tuple <X86OperandSpec, string, string>(operand, "Register", "new RegisterOperand({0})"),
new Tuple <X86OperandSpec, string, string>(operand, "EffectiveAddress", "{0}"),
});
case X86OperandType.RelativeOffset:
return(new Tuple <X86OperandSpec, string, string>[] {
new Tuple <X86OperandSpec, string, string>(operand, "RelativeOffset", "{0}"),
});
case X86OperandType.RegisterOperand:
return(new Tuple <X86OperandSpec, string, string>[] {
new Tuple <X86OperandSpec, string, string>(operand, "Register", "new RegisterOperand({0})"),
});
case X86OperandType.FixedRegister:
return(new Tuple <X86OperandSpec, string, string>[] {
new Tuple <X86OperandSpec, string, string>(operand, "Register", "new RegisterOperand({0})"),
});
//return Enumerable.Empty<Tuple<X86OperandSpec, String, String>>();
default:
throw new NotSupportedException("The operand type is not supported.");
}
}
/// <inheritdoc />
public override OperandSpec CreateOperandSpec(string type, object defaultValue)
{
var operandSpec = new X86OperandSpec();
if (type.Equals("void"))
{
operandSpec.Type = X86OperandType.FixedRegister;
operandSpec.FixedRegister = ToRegister(defaultValue);
}
else
{
DataSize size;
if (type.EndsWith("128"))
{
size = DataSize.Bit128;
type = type.Substring(0, type.Length - 3);
}
else if (type.EndsWith("64"))
{
size = DataSize.Bit64;
type = type.Substring(0, type.Length - 2);
}
else if (type.EndsWith("32"))
{
size = DataSize.Bit32;
type = type.Substring(0, type.Length - 2);
}
else if (type.EndsWith("16"))
{
size = DataSize.Bit16;
type = type.Substring(0, type.Length - 2);
}
else if (type.EndsWith("8"))
{
size = DataSize.Bit8;
type = type.Substring(0, type.Length - 1);
}
else
{
throw new ScriptException(string.Format("Malformatted type {0}", type));
}
operandSpec.Size = size;
switch (type)
{
case "reg/mem":
operandSpec.Type = X86OperandType.RegisterOrMemoryOperand;
break;
case "reg":
operandSpec.Type = X86OperandType.RegisterOperand;
break;
case "moffset":
operandSpec.Type = X86OperandType.MemoryOffset;
break;
case "imm":
operandSpec.Type = X86OperandType.Immediate;
break;
case "mem":
operandSpec.Type = X86OperandType.MemoryOperand;
break;
case "reloff":
operandSpec.Type = X86OperandType.RelativeOffset;
break;
case "pntr16:":
operandSpec.Type = X86OperandType.FarPointer;
break;
default:
throw new ScriptException(string.Format("Unknown operand type {0}", type));
}
}
return(operandSpec);
}
