public Mem()
{
_type = MemoryType.Native;
_segmentPrefix = SegmentPrefix.None;
_base = RegIndex.Invalid;
_index = RegIndex.Invalid;
_scalingFactor = ScalingFactor.Times1;
_target = IntPtr.Zero;
_displacement = IntPtr.Zero;
}
public Mem(IntPtr target, IntPtr displacement, SegmentPrefix segmentPrefix, int size = 0)
: base(size: size)
{
Contract.EndContractBlock();
_type = MemoryType.Absolute;
_segmentPrefix = segmentPrefix;
_base = RegIndex.Invalid;
_index = RegIndex.Invalid;
_scalingFactor = ScalingFactor.Times1;
_target = target;
_displacement = displacement;
}
public Mem(GPReg @base, IntPtr displacement, int size = 0)
: base(size: size)
{
if (@base == null)
throw new ArgumentNullException("base");
Contract.EndContractBlock();
_type = MemoryType.Native;
_segmentPrefix = SegmentPrefix.None;
_sizePrefix = @base.Size != IntPtr.Size;
_base = @base.RegisterIndex;
_index = RegIndex.Invalid;
_scalingFactor = ScalingFactor.Times1;
_target = IntPtr.Zero;
_displacement = displacement;
}
private static Mem MemPtrAbs(IntPtr target, GPVar index, ScalingFactor scalingFactor, int displacement, SegmentPrefix segmentPrefix, Size size)
{
Contract.Requires(index != null);
Contract.Requires(scalingFactor >= ScalingFactor.Times1 && scalingFactor <= ScalingFactor.Times8);
return new Mem(target, index, scalingFactor, (IntPtr)displacement, segmentPrefix, (int)size);
}
private static Mem MemPtrAbs(IntPtr target, int displacement, SegmentPrefix segmentPrefix, Size size)
{
return new Mem(target, (IntPtr)displacement, segmentPrefix, (int)size);
}
public static Mem word_ptr(IntPtr target, GPVar index, ScalingFactor scalingFactor, int displacement = 0, SegmentPrefix segmentPrefix = SegmentPrefix.None)
{
Contract.Requires(index != null);
Contract.Ensures(Contract.Result<Mem>() != null);
return MemPtrAbs(target, index, scalingFactor, displacement, segmentPrefix, NAsmJit.Size.WORD);
}
public static Mem word_ptr(IntPtr target, int displacement = 0, SegmentPrefix segmentPrefix = SegmentPrefix.None)
{
Contract.Ensures(Contract.Result<Mem>() != null);
return MemPtrAbs(target, displacement, segmentPrefix, NAsmJit.Size.WORD);
}
public Mem(Label label, IntPtr displacement, int size = 0)
: base(size: size)
{
if (label == null)
throw new ArgumentNullException("label");
_type = MemoryType.Label;
_label = label;
_segmentPrefix = SegmentPrefix.None;
_base = (RegIndex)label.Id;
_index = RegIndex.Invalid;
_scalingFactor = ScalingFactor.Times1;
_target = IntPtr.Zero;
_displacement = displacement;
}
public Mem(GPVar @base, GPVar index, ScalingFactor scalingFactor, IntPtr displacement, int size = 0)
: base(size: size)
{
if (@base == null)
throw new ArgumentNullException("base");
if (index == null)
throw new ArgumentNullException("index");
if (scalingFactor < ScalingFactor.Times1 || scalingFactor > ScalingFactor.Times8)
throw new ArgumentOutOfRangeException("scalingFactor");
Contract.EndContractBlock();
_type = MemoryType.Native;
_segmentPrefix = SegmentPrefix.None;
_sizePrefix = @base.Size != IntPtr.Size || index.Size != IntPtr.Size;
_base = (RegIndex)@base.Id;
_index = (RegIndex)index.Id;
_scalingFactor = scalingFactor;
_target = IntPtr.Zero;
_displacement = displacement;
}
public Mem(IntPtr target, GPVar index, ScalingFactor scalingFactor, IntPtr displacement, SegmentPrefix segmentPrefix, int size = 0)
: base(size: size)
{
if (index == null)
throw new ArgumentNullException("index");
if (scalingFactor < ScalingFactor.Times1 || scalingFactor > ScalingFactor.Times8)
throw new ArgumentOutOfRangeException("scalingFactor");
Contract.EndContractBlock();
_type = MemoryType.Absolute;
_segmentPrefix = segmentPrefix;
_sizePrefix = index.Size != IntPtr.Size;
_base = RegIndex.Invalid;
_index = (RegIndex)index.Id;
_scalingFactor = scalingFactor;
_target = target;
_displacement = displacement;
}
