public override void Write(MachineInstructionWriter writer, MachineInstructionWriterOptions options)
{
if ((options & MachineInstructionWriterOptions.ExplicitOperandSize) != 0)
{
string s;
if (Width == PrimitiveType.Byte)
{
s = "byte ptr ";
}
else if (Width == PrimitiveType.Word16)
{
s = "word ptr ";
}
else if (Width.Size == 4)
{
s = "dword ptr ";
}
else if (Width == PrimitiveType.Word64)
{
s = "qword ptr ";
}
else if (Width == PrimitiveType.Real32)
{
s = "float ptr ";
}
else if (Width == PrimitiveType.Real64)
{
s = "double ptr ";
}
else if (Width == PrimitiveType.Real80 || Width == PrimitiveType.Bcd80)
{
s = "tword ptr ";
}
else if (Width == PrimitiveType.Word128)
{
s = "xmmword ptr ";
}
else if (Width == PrimitiveType.Word256)
{
s = "ymmword ptr ";
}
else
{
s = "";
}
writer.WriteString(s);
}
if (SegOverride != RegisterStorage.None)
{
writer.WriteString(SegOverride.ToString());
writer.WriteString(":");
}
writer.WriteString("[");
if (Base != RegisterStorage.None)
{
writer.WriteString(Base.ToString());
}
else
{
var s = FormatUnsignedValue(Offset !);
writer.WriteAddress(s, Address.FromConstant(Offset !));
}
if (Index != RegisterStorage.None)
{
writer.WriteString("+");
writer.WriteString(Index.ToString());
if (Scale > 1)
{
writer.WriteString("*");
writer.WriteUInt32(Scale);
}
}
if (Base != RegisterStorage.None && Offset != null && Offset.IsValid)
{
if (Offset.DataType == PrimitiveType.Byte || Offset.DataType == PrimitiveType.SByte)
{
writer.WriteString(FormatSignedValue(Offset));
}
else
{
var off = Offset.ToInt32();
if (off == Int32.MinValue)
{
writer.WriteString("-80000000");
}
else
{
var absOff = Math.Abs(off);
if (Offset.DataType.Size > 2 && off < 0 && absOff < 0x10000)
{
// Special case for negative 32-bit offsets whose
// absolute value < 0x10000 (GitHub issue #252)
writer.WriteString("-");
writer.WriteFormat("{0:X8}", absOff);
}
else
{
writer.WriteString("+");
writer.WriteString(FormatUnsignedValue(Offset));
}
}
}
}
writer.WriteString("]");
}