public void Generate(List <AssemblyCode> objectCodeList)
{
foreach (TrackEntry entry in m_entryList)
{
Register sizeRegister = AssemblyCode.RegisterToSize(m_register.Value, entry.Size());
AssemblyCode objectCode = objectCodeList[entry.Line()];
objectCode[entry.Position()] = sizeRegister;
}
}
private static void Check(AssemblyCode assemblyCode, int position)
{
if (assemblyCode[position] is Track)
{
Track track = (Track)assemblyCode[position];
Debug.Assert(track.Register != null);
assemblyCode[position] =
AssemblyCode.RegisterToSize(track.Register.Value, track.CurrentSize);
}
}
private bool OverlapNeighbourSet(Register register,
ISet <Track> neighbourSet)
{
foreach (Track neighbourTrack in neighbourSet)
{
if (AssemblyCode.RegisterOverlap(register, neighbourTrack.Register))
{
return(true);
}
}
return(false);
}
public List <byte> ByteList()
{
object operand0 = m_operandArray[0],
operand1 = m_operandArray[1],
operand2 = m_operandArray[2];
if ((Operator == AssemblyOperator.empty) ||
(Operator == AssemblyOperator.label) ||
(Operator == AssemblyOperator.comment))
{
return(new List <byte>());
}
else if (Operator == AssemblyOperator.define_address)
{
int offset = (int)operand1;
List <byte> byteList = new List <byte>(new byte[TypeSize.PointerSize]);
AssemblyCode.LoadByteList(byteList, 0, TypeSize.PointerSize,
(BigInteger)offset);
return(byteList);
}
else if (Operator == AssemblyOperator.define_zero_sequence)
{
int size = (int)operand0;
return(new List <byte>(new byte[size]));
}
else if (Operator == AssemblyOperator.define_value)
{
Sort sort = (Sort)operand0;
object value = operand1;
if (sort == Sort.Pointer)
{
List <byte> byteList = new List <byte>(new byte[TypeSize.PointerSize]);
if (value is string)
{
AssemblyCode.LoadByteList(byteList, 0, TypeSize.PointerSize,
BigInteger.Zero);
}
else if (value is StaticAddress)
{
StaticAddress staticAddress = (StaticAddress)value;
int offset = staticAddress.Offset;
AssemblyCode.LoadByteList(byteList, 0, TypeSize.PointerSize,
(BigInteger)offset);
}
else
{
AssemblyCode.LoadByteList(byteList, 0, TypeSize.PointerSize,
(BigInteger)value);
}
return(byteList);
}
else if (sort == Sort.Float)
{
float floatValue = (float)((decimal)operand0);
return(new List <byte>(BitConverter.GetBytes(floatValue)));
}
else if ((sort == Sort.Double) || (sort == Sort.Long_Double))
{
double doubleValue = (double)((decimal)value);
return(new List <byte>(BitConverter.GetBytes(doubleValue)));
}
else if (sort == Sort.String)
{
string text = (string)value;
List <byte> byteList = new List <byte>();
foreach (char c in text)
{
byteList.Add((byte)c);
}
byteList.Add((byte)0);
return(byteList);
}
else
{
int size = TypeSize.Size(sort);
List <byte> byteList = new List <byte>(new byte[size]);
AssemblyCode.LoadByteList(byteList, 0, size, (BigInteger)value);
return(byteList);
}
}
else if (IsJumpRegister() || IsCallRegister())
{
Register register = (Register)operand0;
return(LookupByteArray(AssemblyOperator.jmp, register));
}
else if (IsCallNotRegister())
{
List <byte> byteList =
LookupByteArray(AssemblyOperator.jmp, TypeSize.PointerSize);
LoadByteList(byteList, byteList.Count - TypeSize.PointerSize,
TypeSize.PointerSize, 0);
return(byteList);
}
else if (Operator == AssemblyOperator.return_address)
{
Register register = (Register)operand0;
int offset = (int)operand1;
int size = SizeOfValue(offset);
int address = (int)((BigInteger)operand2);
List <byte> byteList =
LookupByteArray(AssemblyOperator.mov_word, register,
size, TypeSize.PointerSize);
LoadByteList(byteList, byteList.Count - (size + TypeSize.PointerSize),
size, offset);
LoadByteList(byteList, byteList.Count - TypeSize.PointerSize,
TypeSize.PointerSize, address);
return(byteList);
}
else if (IsRelationNotRegister() || IsJumpNotRegister())
{
int address = (int)operand0;
int size = ((address >= -128) && (address <= 127)) ? 1 : 2;
List <byte> byteList = LookupByteArray(Operator, size);
LoadByteList(byteList, byteList.Count - size, size, address);
return(byteList);
}
// mov ax, bx
else if ((operand0 is Register) && (operand1 is Register) && (operand2 == null))
{
Register toRegister = (Register)operand0,
fromRegister = (Register)operand1;
return(LookupByteArray(Operator, toRegister, fromRegister));
}
// mov ax, global
else if ((operand0 is Register) && (operand1 is string) && (operand2 == null))
{
Register register = (Register)operand0;
int size = SizeOfRegister(register);
List <byte> byteList = LookupByteArray(Operator, register, size);
LoadByteList(byteList, byteList.Count - size, size, 0);
return(byteList);
}
// mov ax, 123
else if ((operand0 is Register) && (operand1 is BigInteger) && (operand2 == null))
{
Register register = (Register)operand0;
BigInteger value = (BigInteger)operand1;
int size = ((Operator == AssemblyOperator.mov) ||
(Operator == AssemblyOperator.and))
? SizeOfRegister(register) : SizeOfValue(value);
List <byte> byteList = LookupByteArray(Operator, register, size);
LoadByteList(byteList, byteList.Count - size, size, value);
return(byteList);
}
/*// cmp global, bx
* else if (((operand0 is string) || (operand0 == null)) &&
* (operand1 is Register) && (operand2 == null)) {
* Assert.ErrorXXX(Operator == AssemblyOperator.cmp);
* Register fromRegister = (Register) operand1;
* List<byte> byteList = LookupByteArray(Operator, null, fromRegister);
* return byteList;
* }
*
* // cmp global, 123
* else if (((operand0 is string) || (operand0 == null)) &&
* (operand1 is BigInteger) && (operand2 == null)) {
* Assert.ErrorXXX(Operator == AssemblyOperator.cmp);
* BigInteger value = (BigInteger) operand1;
* int size = SizeOfValue(value);
* List<byte> byteList = LookupByteArray(Operator, null, size);
* LoadByteList(byteList, byteList.Count - size, size, value);
* return byteList;
* }
*
* // cmp global, global
* else if (((operand0 is string) || (operand0 == null)) &&
* ((operand1 is string) || (operand1 == null)) &&
* (operand2 == null)) {
* Assert.ErrorXXX(Operator == AssemblyOperator.cmp);
* return LookupByteArray(Operator, TypeSize.PointerSize, TypeSize.PointerSize);
* }*/
// mov [bp + 2], ax
else if ((operand0 is Register) && (operand1 is int) &&
(operand2 is Register))
{
Register baseRegister = (Register)operand0,
fromRegister = (Register)operand2;
int offset = (int)operand1;
int size = SizeOfValue(offset);
List <byte> byteList =
LookupByteArray(Operator, baseRegister, size, fromRegister);
LoadByteList(byteList, byteList.Count - size, size, offset);
return(byteList);
}
// mov [bp + 2], global
else if ((operand0 is Register) && (operand1 is int) &&
(operand2 is string))
{
Register baseRegister = (Register)operand0;
int offset = (int)operand1;
int offsetSize = SizeOfValue(offset);
List <byte> byteList =
LookupByteArray(Operator, baseRegister, offsetSize,
TypeSize.PointerSize);
LoadByteList(byteList, byteList.Count -
(offsetSize + TypeSize.PointerSize), offsetSize, offset);
LoadByteList(byteList, byteList.Count - TypeSize.PointerSize,
TypeSize.PointerSize, 0);
return(byteList);
}
// mov [bp + 2], 123
else if ((operand0 is Register) && (operand1 is int) &&
(operand2 is BigInteger))
{
Register baseRegister = (Register)operand0;
int offset = (int)operand1;
BigInteger value = (BigInteger)operand2;
int offsetSize = SizeOfValue(offset),
valueSize = SizeOfValue(value, Operator);
List <byte> byteList =
LookupByteArray(Operator, baseRegister, offsetSize, valueSize);
LoadByteList(byteList, byteList.Count - (offsetSize + valueSize),
offsetSize, offset);
LoadByteList(byteList, byteList.Count - valueSize,
valueSize, value);
return(byteList);
}
// mov [global + 4], ax
else if (((operand0 is string) || (operand0 == null)) &&
(operand1 is int) && (operand2 is Register))
{
int offset = (int)operand1;
Register fromRegister = (Register)operand2;
List <byte> byteList =
LookupByteArray(Operator, null, TypeSize.PointerSize, fromRegister);
LoadByteList(byteList, byteList.Count - TypeSize.PointerSize,
TypeSize.PointerSize, offset);
return(byteList);
}
// mov [global + 4], 123
else if (((operand0 is string) || (operand0 == null)) &&
(operand1 is int) && (operand2 is BigInteger))
{
int offset = (int)operand1;
BigInteger value = (BigInteger)operand2;
int valueSize = SizeOfValue(value, Operator);
List <byte> byteList =
LookupByteArray(Operator, null, TypeSize.PointerSize, valueSize);
LoadByteList(byteList, byteList.Count - (TypeSize.PointerSize +
valueSize), TypeSize.PointerSize, offset);
LoadByteList(byteList, byteList.Count - valueSize,
valueSize, value);
return(byteList);
}
// mov ax, [bp + 2]
else if ((operand0 is Register) && (operand1 is Register) &&
(operand2 is int))
{
Register toRegister = (Register)operand0,
baseRegister = (Register)operand1;
int offset = (int)operand2;
int size = SizeOfValue(offset);
List <byte> byteList =
LookupByteArray(Operator, toRegister, baseRegister, size);
LoadByteList(byteList, byteList.Count - size, size, offset);
return(byteList);
}
/*// cmp global, [bp + 2]
* else if (((operand0 is string) || (operand0 == null)) &&
* (operand1 is Register) && (operand2 is int)) {
* Assert.ErrorXXX(Operator == AssemblyOperator.cmp);
* Register baseRegister = (Register) operand1;
* int offset = (int) operand2;
* int size = SizeOfValue(offset);
* List<byte> byteList =
* LookupByteArray(Operator, null, baseRegister, size);
* LoadByteList(byteList, byteList.Count - size, size, offset);
* return byteList;
* }*/
// mov ax, [global + 4]
else if ((operand0 is Register) && ((operand1 is string) ||
(operand1 == null)) && (operand2 is int))
{
Register toRegister = (Register)operand0;
int offset = (int)operand2;
List <byte> byteList =
LookupByteArray(Operator, toRegister, null, TypeSize.PointerSize);
LoadByteList(byteList, byteList.Count - TypeSize.PointerSize,
TypeSize.PointerSize, offset);
return(byteList);
}
/*// cmp global, [global + 4]
* else if (((operand0 is string) || (operand0 == null)) &&
* ((operand1 is string) || (operand1 == null)) &&
* (operand2 is int)) {
* int offset = (int) operand2;
* List<byte> byteList =
* LookupByteArray(Operator, null, null, TypeSize.PointerSize);
* LoadByteList(byteList, byteList.Count - TypeSize.PointerSize,
* TypeSize.PointerSize, offset);
* return byteList;
* }*/
// inc ax
else if ((operand0 is Register) && (operand1 == null) && (operand2 == null))
{
Register register = (Register)operand0;
return(LookupByteArray(Operator, register));
}
// int 33
else if ((operand0 is BigInteger) && (operand1 == null) && (operand2 == null))
{
BigInteger value = (BigInteger)operand0;
int size = SizeOfValue(value);
List <byte> byteList = LookupByteArray(Operator, size);
LoadByteList(byteList, byteList.Count - size, size, value);
return(byteList);
}
// inc [bp + 2]
else if ((operand0 is Register) && (operand1 is int) && (operand2 == null))
{
Register baseRegister = (Register)operand0;
int offset = (int)operand1;
int size = SizeOfValue(offset);
List <byte> byteList = LookupByteArray(Operator, baseRegister, size);
LoadByteList(byteList, byteList.Count - size, size, offset);
return(byteList);
}
// inc [global + 4]
else if (((operand0 is string) || (operand0 == null)) &&
(operand1 is int) && (operand2 == null))
{
int offset = (int)operand1;
List <byte> byteList =
LookupByteArray(Operator, null, TypeSize.PointerSize);
LoadByteList(byteList, byteList.Count - TypeSize.PointerSize,
TypeSize.PointerSize, offset);
return(byteList);
}
// lahf
else if ((operand0 == null) && (operand1 == null) &&
(operand2 == null))
{
return(LookupByteArray(Operator));
}
Assert.ErrorXXX(false);
return(null);
}