public Relative(uint _val, uint _ofs, OPSIZE _size)
{
val = _val;
ofs = _ofs;
size = _size;
target = null;
}
public Memory(Register _r1, Register _r2, Mult _mult, Immediate _imm, OPSIZE _size, Segment.SEG _seg)
{
r1 = _r1;
r2 = _r2;
mult = _mult;
imm = _imm;
if (imm != null)
{
imm.isOffset = true;
}
size = _size;
seg = _seg;
}
public List <byte> getModrm(Operand op1, Operand op2, out OpMode opmode, out OPSIZE size)
{
int mode;
int reg;
int rm;
List <byte> result = new List <byte>();
List <byte> membytes = null;
if (op1 is Register)
{
size = ((Register)op1).size;
if (op2 is Register)
{
opmode = OpMode.REGREG; //register, register
mode = 3;
rm = ((Register)op1).code;
reg = ((Register)op2).code;
}
else
{
opmode = OpMode.REGMEM; //register, memory
reg = ((Register)op1).code;
membytes = ((Memory)op2).getBytes(out mode, out rm);
}
}
else //Op1 is memory
{
opmode = OpMode.MEMREG; //memory, register
size = ((Memory)op1).size;
membytes = ((Memory)op1).getBytes(out mode, out rm);
reg = ((Register)op2).code;
}
byte b = (byte)(mode * 0x40 + reg * 8 + rm); //the modrm byte
result.Add(b);
if (membytes != null)
{
result.AddRange(membytes); //add any additional memory op bytes
}
return(result);
}
public String getSizePtrStr(OPSIZE size)
{
//if (operandSizeOverride && (size == OPSIZE.DWord)) size = OPSIZE.Word;
String result = "";
switch (size)
{
case OPSIZE.Byte:
result = "byte ptr ";
break;
case OPSIZE.Word:
result = "word ptr ";
break;
case OPSIZE.DWord:
result = "dword ptr ";
break;
case OPSIZE.QWord:
result = "qword ptr ";
break;
case OPSIZE.FWord:
result = "fword ptr ";
break;
case OPSIZE.TByte:
result = "tbyte ptr ";
break;
case OPSIZE.MM:
result = "mmword ptr ";
break;
case OPSIZE.XMM:
result = "xmmword ptr ";
break;
}
return(result);
}
public String getSizePtrStr(OPSIZE size)
{
//if (operandSizeOverride && (size == OPSIZE.DWord)) size = OPSIZE.Word;
String result = "";
switch (size)
{
case OPSIZE.Byte:
result = "BYTE PTR ";
break;
case OPSIZE.Word:
result = "WORD PTR ";
break;
case OPSIZE.DWord:
result = "DWORD PTR ";
break;
case OPSIZE.QWord:
result = "QWORD PTR ";
break;
case OPSIZE.FWord:
result = "FWORD PTR ";
break;
case OPSIZE.TByte:
result = "TBYTE PTR ";
break;
case OPSIZE.MM:
result = "MMWORD PTR ";
break;
case OPSIZE.XMM:
result = "XMMWORD PTR ";
break;
}
return(result);
}
public Register(String _name, int _code)
{
name = _name;
size = OPSIZE.None;
code = _code;
}
public Immediate(uint _val, OPSIZE _size)
{
val = _val;
size = _size;
isOffset = false;
}
