/// <summary>
/// See base class documentation.
/// </summary>
/// <param name="theOp">See base class documentation.</param>
/// <param name="conversionState">See base class documentation.</param>
/// <returns>See base class documentation.</returns>
/// <exception cref="System.NotSupportedException">
/// Thrown if the value to store is floating point.
/// </exception>
public override void Convert(ILConversionState conversionState, ILOp theOp)
{
int metadataToken = Utilities.ReadInt32(theOp.ValueBytes, 0);
FieldInfo theField = conversionState.Input.TheMethodInfo.UnderlyingInfo.Module.ResolveField(metadataToken);
Types.FieldInfo theFieldInfo = conversionState.GetFieldInfo(theField.DeclaringType, theField.Name);
Types.TypeInfo theFieldTypeInfo = conversionState.TheILLibrary.GetTypeInfo(theFieldInfo.FieldType);
string fieldId = theFieldInfo.ID;
int size = /*theFieldTypeInfo.IsValueType ? theFieldTypeInfo.SizeOnHeapInBytes : */theFieldTypeInfo.SizeOnStackInBytes;
bool isFloat = Utilities.IsFloat(theField.FieldType);
conversionState.AddExternalLabel(fieldId);
StackItem value = conversionState.CurrentStackFrame.Stack.Pop();
if (isFloat)
{
//SUPPORT - floats
throw new NotSupportedException("Storing static fields of type float not supported yet!");
}
conversionState.Append(new ASMOps.La() { Dest = "$t4", Label = fieldId });
if (size == 1)
{
conversionState.Append(new ASMOps.Pop() { Size = ASMOps.OperandSize.Word, Dest = "$t0" });
conversionState.Append(new ASMOps.Mov() { Size = ASMOps.OperandSize.Byte, Src = "$t1", Dest = "0($t4)", MoveType = ASMOps.Mov.MoveTypes.SrcRegToDestMemory });
}
else if (size == 2)
{
conversionState.Append(new ASMOps.Pop() { Size = ASMOps.OperandSize.Word, Dest = "$t0" });
conversionState.Append(new ASMOps.Mov() { Size = ASMOps.OperandSize.Halfword, Src = "$t1", Dest = "0($t4)", MoveType = ASMOps.Mov.MoveTypes.SrcRegToDestMemory });
}
else if (size == 4)
{
conversionState.Append(new ASMOps.Pop() { Size = ASMOps.OperandSize.Word, Dest = "$t0" });
conversionState.Append(new ASMOps.Mov() { Size = ASMOps.OperandSize.Word, Src = "$t0", Dest = "0($t4)", MoveType = ASMOps.Mov.MoveTypes.SrcRegToDestMemory });
}
else if (size == 8)
{
conversionState.Append(new ASMOps.Pop() { Size = ASMOps.OperandSize.Word, Dest = "$t0" });
conversionState.Append(new ASMOps.Mov() { Size = ASMOps.OperandSize.Word, Src = "$t0", Dest = "0($t4)", MoveType = ASMOps.Mov.MoveTypes.SrcRegToDestMemory });
conversionState.Append(new ASMOps.Pop() { Size = ASMOps.OperandSize.Word, Dest = "$t0" });
conversionState.Append(new ASMOps.Mov() { Size = ASMOps.OperandSize.Word, Src = "$t0", Dest = "4($t4)", MoveType = ASMOps.Mov.MoveTypes.SrcRegToDestMemory });
}
else
{
throw new ArgumentOutOfRangeException("Storing static field that has stack size greater than 8 not supported!");
}
if (value.sizeOnStackInBytes - size > 0)
{
conversionState.Append(new ASMOps.Add() { Src1 = "$sp", Src2 = (value.sizeOnStackInBytes - size).ToString(), Dest = "$sp" });
}
}
/// <summary>
/// See base class documentation.
/// </summary>
/// <param name="theOp">See base class documentation.</param>
/// <param name="conversionState">See base class documentation.</param>
/// <returns>See base class documentation.</returns>
/// <exception cref="System.NotSupportedException">
/// Thrown if the value to store is floating point.
/// </exception>
public override void Convert(ILConversionState conversionState, ILOp theOp)
{
int metadataToken = Utilities.ReadInt32(theOp.ValueBytes, 0);
FieldInfo theField = conversionState.Input.TheMethodInfo.UnderlyingInfo.Module.ResolveField(metadataToken);
Types.FieldInfo theFieldInfo = conversionState.GetFieldInfo(theField.DeclaringType, theField.Name);
Types.TypeInfo theFieldTypeInfo = conversionState.TheILLibrary.GetTypeInfo(theFieldInfo.FieldType);
string fieldId = theFieldInfo.ID;
int size = theFieldTypeInfo.IsValueType ? theFieldTypeInfo.SizeOnHeapInBytes : theFieldTypeInfo.SizeOnStackInBytes;
bool isFloat = Utilities.IsFloat(theField.FieldType);
conversionState.AddExternalLabel(fieldId);
StackItem value = conversionState.CurrentStackFrame.Stack.Pop();
if (isFloat)
{
//SUPPORT - floats
throw new NotSupportedException("Storing static fields of type float not supported yet!");
}
if (size == 1)
{
conversionState.Append(new ASMOps.Pop() { Size = ASMOps.OperandSize.Dword, Dest = "EAX" });
conversionState.Append(new ASMOps.Mov() { Size = ASMOps.OperandSize.Byte, Src = "AL", Dest = "[" + fieldId + "]" });
}
else if (size == 2)
{
conversionState.Append(new ASMOps.Pop() { Size = ASMOps.OperandSize.Dword, Dest = "EAX" });
conversionState.Append(new ASMOps.Mov() { Size = ASMOps.OperandSize.Word, Src = "AX", Dest = "[" + fieldId + "]" });
}
else if (size >= 4)
{
for (int i = 0; i < size; i += 4)
{
conversionState.Append(new ASMOps.Pop() { Size = ASMOps.OperandSize.Dword, Dest = "EAX" });
switch (size - i)
{
case 1:
conversionState.Append(new ASMOps.Mov() { Size = ASMOps.OperandSize.Byte, Src = "AL", Dest = "[" + fieldId + "+" + i + "]" });
break;
case 2:
conversionState.Append(new ASMOps.Mov() { Size = ASMOps.OperandSize.Word, Src = "AX", Dest = "[" + fieldId + "+" + i + "]" });
break;
case 3:
conversionState.Append(new ASMOps.Mov() { Size = ASMOps.OperandSize.Byte, Src = "AL", Dest = "[" + fieldId + "+" + i + "]" });
conversionState.Append(new ASMOps.Shr() { Src = "16", Dest = "EAX" });
conversionState.Append(new ASMOps.Mov() { Size = ASMOps.OperandSize.Word, Src = "AX", Dest = "[" + fieldId + "+" + (i+1) + "]" });
break;
default:
conversionState.Append(new ASMOps.Mov() { Size = ASMOps.OperandSize.Dword, Src = "EAX", Dest = "[" + fieldId + "+" + i + "]" });
break;
}
}
}
else
{
throw new ArgumentOutOfRangeException("Storing static field with unsupported size! Size: " + size.ToString());
}
}
/// <summary>
/// See base class documentation.
/// </summary>
/// <param name="theOp">See base class documentation.</param>
/// <param name="conversionState">See base class documentation.</param>
/// <returns>See base class documentation.</returns>
/// <exception cref="System.NotSupportedException">
/// Thrown when loading a static float field.
/// </exception>
public override void Convert(ILConversionState conversionState, ILOp theOp)
{
//Load static field
//Load the metadata token used to get the field info
int metadataToken = Utilities.ReadInt32(theOp.ValueBytes, 0);
//Get the field info for the field to load
FieldInfo theField = conversionState.Input.TheMethodInfo.UnderlyingInfo.Module.ResolveField(metadataToken);
//Get the ID (i.e. ASM label) of the field to load
string fieldID = conversionState.GetFieldInfo(theField.DeclaringType, theField.Name).ID;
conversionState.AddExternalLabel(fieldID);
//Load the field or field address
switch ((OpCodes)theOp.opCode.Value)
{
case OpCodes.Ldsfld:
{
Types.TypeInfo theTypeInfo = conversionState.TheILLibrary.GetTypeInfo(theField.FieldType);
int size = theTypeInfo.IsValueType ? theTypeInfo.SizeOnHeapInBytes : theTypeInfo.SizeOnStackInBytes;
bool isFloat = Utilities.IsFloat(theField.FieldType);
if (isFloat)
{
//SUPPORT - floats
throw new NotSupportedException("Loading static fields of type float not supported yet!");
}
if(size == 1)
{
conversionState.Append(new ASMOps.Xor() { Src = "EAX", Dest = "EAX" });
conversionState.Append(new ASMOps.Mov() { Size = ASMOps.OperandSize.Byte, Src = "[" + fieldID + "]", Dest = "AL" });
conversionState.Append(new ASMOps.Push() { Size = ASMOps.OperandSize.Dword, Src = "EAX" });
}
else if(size == 2)
{
conversionState.Append(new ASMOps.Xor() { Src = "EAX", Dest = "EAX" });
conversionState.Append(new ASMOps.Mov() { Size = ASMOps.OperandSize.Word, Src = "[" + fieldID + "]", Dest = "AX" });
conversionState.Append(new ASMOps.Push() { Size = ASMOps.OperandSize.Dword, Src = "EAX" });
}
else
{
for (int i = size; i > 0; )
{
int diff = i % 4;
diff = diff == 0 ? 4 : diff;
i -= diff;
switch (diff)
{
case 1:
conversionState.Append(new ASMOps.Xor() { Src = "EAX", Dest = "EAX" });
conversionState.Append(new ASMOps.Mov() { Size = ASMOps.OperandSize.Byte, Src = "[" + fieldID + " + " + i + "]", Dest = "AL" });
conversionState.Append(new ASMOps.Push() { Size = ASMOps.OperandSize.Dword, Src = "EAX" });
break;
case 2:
conversionState.Append(new ASMOps.Xor() { Src = "EAX", Dest = "EAX" });
conversionState.Append(new ASMOps.Mov() { Size = ASMOps.OperandSize.Word, Src = "[" + fieldID + " + " + i + "]", Dest = "AX" });
conversionState.Append(new ASMOps.Push() { Size = ASMOps.OperandSize.Dword, Src = "EAX" });
break;
case 3:
conversionState.Append(new ASMOps.Xor() { Src = "EAX", Dest = "EAX" });
conversionState.Append(new ASMOps.Mov() { Size = ASMOps.OperandSize.Byte, Src = "[" + fieldID + " + " + i + "]", Dest = "AL" });
conversionState.Append(new ASMOps.Push() { Size = ASMOps.OperandSize.Word, Src = "AX" });
conversionState.Append(new ASMOps.Mov() { Size = ASMOps.OperandSize.Word, Src = "[" + fieldID + " + " + (i+1) + "]", Dest = "AX" });
conversionState.Append(new ASMOps.Push() { Size = ASMOps.OperandSize.Word, Src = "AX" });
break;
default:
conversionState.Append(new ASMOps.Mov() { Size = ASMOps.OperandSize.Dword, Src = "[" + fieldID + " + " + i + "]", Dest = "EAX" });
conversionState.Append(new ASMOps.Push() { Size = ASMOps.OperandSize.Dword, Src = "EAX" });
break;
}
}
}
conversionState.CurrentStackFrame.Stack.Push(new StackItem()
{
isFloat = isFloat,
sizeOnStackInBytes = theTypeInfo.SizeOnStackInBytes,
isGCManaged = theTypeInfo.IsGCManaged,
isValue = theTypeInfo.IsValueType
});
}
break;
case OpCodes.Ldsflda:
//Load the address of the field i.e. address of the ASM label
conversionState.Append(new ASMOps.Push() { Size = ASMOps.OperandSize.Dword, Src = fieldID });
conversionState.CurrentStackFrame.Stack.Push(new StackItem()
{
isFloat = false,
sizeOnStackInBytes = 4,
isGCManaged = false,
isValue = false
});
break;
}
}
/// <summary>
/// See base class documentation.
/// </summary>
/// <param name="theOp">See base class documentation.</param>
/// <param name="conversionState">See base class documentation.</param>
/// <returns>See base class documentation.</returns>
/// <exception cref="System.NotSupportedException">
/// Thrown when loading a static float field.
/// </exception>
public override void Convert(ILConversionState conversionState, ILOp theOp)
{
//Load static field
//Load the metadata token used to get the field info
int metadataToken = Utilities.ReadInt32(theOp.ValueBytes, 0);
//Get the field info for the field to load
FieldInfo theField = conversionState.Input.TheMethodInfo.UnderlyingInfo.Module.ResolveField(metadataToken);
//Get the ID (i.e. ASM label) of the field to load
string fieldID = conversionState.GetFieldInfo(theField.DeclaringType, theField.Name).ID;
conversionState.AddExternalLabel(fieldID);
//Load the field or field address
switch ((OpCodes)theOp.opCode.Value)
{
case OpCodes.Ldsfld:
{
Types.TypeInfo theTypeInfo = conversionState.TheILLibrary.GetTypeInfo(theField.FieldType);
int size = /*theTypeInfo.IsValueType ? theTypeInfo.SizeOnHeapInBytes : */theTypeInfo.SizeOnStackInBytes;
bool isFloat = Utilities.IsFloat(theField.FieldType);
if (isFloat)
{
//SUPPORT - floats
throw new NotSupportedException("Loading static fields of type float not supported yet!");
}
conversionState.Append(new ASMOps.La() { Label = fieldID, Dest = "$t1" });
if (size == 1)
{
conversionState.Append(new ASMOps.Xor() { Src1 = "$t0", Src2 = "$t0", Dest = "$t0" });
conversionState.Append(new ASMOps.Mov() { Size = ASMOps.OperandSize.Byte, Src = "0($t1)", Dest = "$t0", MoveType = ASMOps.Mov.MoveTypes.SrcMemoryToDestReg });
conversionState.Append(new ASMOps.Push() { Size = ASMOps.OperandSize.Word, Src = "$t0" });
}
else if (size == 2)
{
conversionState.Append(new ASMOps.Xor() { Src1 = "$t0", Src2 = "$t0", Dest = "$t0" });
conversionState.Append(new ASMOps.Mov() { Size = ASMOps.OperandSize.Halfword, Src = "0($t1)", Dest = "$t0", MoveType = ASMOps.Mov.MoveTypes.SrcMemoryToDestReg });
conversionState.Append(new ASMOps.Push() { Size = ASMOps.OperandSize.Word, Src = "$t0" });
}
else if (size == 4)
{
conversionState.Append(new ASMOps.Mov() { Size = ASMOps.OperandSize.Word, Src = "0($t1)", Dest = "$t0", MoveType = ASMOps.Mov.MoveTypes.SrcMemoryToDestReg });
conversionState.Append(new ASMOps.Push() { Size = ASMOps.OperandSize.Word, Src = "$t0" });
}
else if (size == 8)
{
conversionState.Append(new ASMOps.Mov() { Size = ASMOps.OperandSize.Word, Src = "4($t1)", Dest = "$t0", MoveType = ASMOps.Mov.MoveTypes.SrcMemoryToDestReg });
conversionState.Append(new ASMOps.Push() { Size = ASMOps.OperandSize.Word, Src = "$t0" });
conversionState.Append(new ASMOps.Mov() { Size = ASMOps.OperandSize.Word, Src = "0($t1)", Dest = "$t0", MoveType = ASMOps.Mov.MoveTypes.SrcMemoryToDestReg });
conversionState.Append(new ASMOps.Push() { Size = ASMOps.OperandSize.Word, Src = "$t0" });
}
else
{
throw new ArgumentOutOfRangeException("Loading static field that has stack size greater than 8 not supported!");
}
conversionState.CurrentStackFrame.Stack.Push(new StackItem()
{
isFloat = isFloat,
sizeOnStackInBytes = (size == 8 ? 8 : 4),
isGCManaged = theTypeInfo.IsGCManaged,
isValue = theTypeInfo.IsValueType
});
}
break;
case OpCodes.Ldsflda:
//Load the address of the field i.e. address of the ASM label
conversionState.Append(new ASMOps.La() { Label = fieldID, Dest = "$t4" });
conversionState.Append(new ASMOps.Push() { Size = ASMOps.OperandSize.Word, Src = "$t4" });
conversionState.CurrentStackFrame.Stack.Push(new StackItem()
{
isFloat = false,
sizeOnStackInBytes = 4,
isGCManaged = false,
isValue = false
});
break;
}
}
