public abstract void Write(MachineInstructionWriter writer, MachineInstructionWriterOptions options);
public override void Write(MachineInstructionWriter writer, MachineInstructionWriterOptions options)
{
writer.WriteAddress(Address.ToString(), Address);
}
public override void Write(MachineInstructionWriter writer, MachineInstructionWriterOptions options)
{
writer.Write("st(" + fpuReg + ")");
}
public override void Render(MachineInstructionWriter writer, MachineInstructionWriterOptions options)
{
if (repPrefix == 3)
{
writer.WriteOpcode("rep");
writer.WriteChar(' ');
}
else if (repPrefix == 2)
{
writer.WriteOpcode("repne");
writer.WriteChar(' ');
}
// Get opcode.
string s = code.ToString();
switch (code)
{
case Opcode.cwd:
if (dataWidth == PrimitiveType.Word32)
{
s = "cdq";
}
break;
case Opcode.cbw:
if (dataWidth == PrimitiveType.Word32)
{
s = "cwde";
}
break;
case Opcode.ins:
case Opcode.outs:
case Opcode.movs:
case Opcode.cmps:
case Opcode.stos:
case Opcode.lods:
case Opcode.scas:
switch (dataWidth.Size)
{
case 1: s += 'b'; break;
case 2: s += 'w'; break;
case 4: s += 'd'; break;
case 8: s += 'q'; break;
default: throw new ArgumentOutOfRangeException();
}
break;
}
writer.WriteOpcode(s);
if (NeedsExplicitMemorySize())
{
options |= MachineInstructionWriterOptions.ExplicitOperandSize;
}
if (Operands >= 1)
{
writer.Tab();
Write(op1, writer, options);
if (Operands >= 2)
{
writer.WriteChar(',');
Write(op2, writer, options);
if (Operands >= 3)
{
writer.WriteString(",");
Write(op3, writer, options);
}
}
}
}
public override void Write(MachineInstructionWriter writer, MachineInstructionWriterOptions options)
{
writer.WriteString(Code.ToString());
}
public override void Render(MachineInstructionWriter writer, MachineInstructionWriterOptions options)
{
nInstr.Render(writer, options);
}
protected override void RenderOperand(MachineOperand op, MachineInstructionWriter writer, MachineInstructionWriterOptions options)
{
switch (op)
{
case RegisterOperand reg:
WriteRegister(reg.Register, writer);
break;
case ImmediateOperand imm:
if (imm.Width.Domain == Domain.Real)
{
writer.WriteFormat($"#{imm.Value}");
}
else
{
int v = imm.Value.ToInt32();
if (0 <= v && v <= 9)
{
writer.WriteFormat($"#{imm.Value.ToInt32()}");
}
else
{
writer.WriteFormat($"#&{imm.Value.ToUInt32():X}");
}
}
break;
case AddressOperand addrOp:
ulong linAddr = addrOp.Address.ToLinear();
writer.WriteAddress($"#&{linAddr:X}", addrOp.Address);
break;
default:
op.Write(writer, options);
break;
}
}
protected override void RenderOperand(MachineOperand op, MachineInstructionWriter writer, MachineInstructionWriterOptions options)
{
if (op is MemoryOperand memOp && memOp.Base == Registers.rip)
{
var addr = this.Address + this.Length + memOp.Offset.ToInt32();
if ((options & MachineInstructionWriterOptions.ResolvePcRelativeAddress) != 0)
{
writer.WriteString("[");
writer.WriteAddress(addr.ToString(), addr);
writer.WriteString("]");
writer.AddAnnotation(op.ToString());
}
else
{
op.Write(writer, options);
writer.AddAnnotation(addr.ToString());
}
}
