public override void Write(MachineInstructionWriter writer, MachineInstructionWriterOptions options)
{
var s = FormatValue(value);
var pt = value.DataType as PrimitiveType;
if (pt != null)
{
if (pt.Domain == Domain.Pointer)
{
writer.WriteAddress(s, Address.FromConstant(value));
}
else
{
writer.Write(s);
}
}
else if (value.DataType is Pointer)
{
writer.WriteAddress(s, Address.FromConstant(value));
}
else
{
writer.Write(s);
}
}
public override void Write(MachineInstructionWriter writer, MachineInstructionWriterOptions options)
{
string fmt;
switch (Mode)
{
case AddressMode.RegDef: fmt = "@{0}"; break;
case AddressMode.AutoIncr: fmt = "({0})+"; break;
case AddressMode.AutoIncrDef: fmt = "@({0})+"; break;
case AddressMode.AutoDecr: fmt = "-({0})"; break;
case AddressMode.AutoDecrDef: fmt = "@-({0})"; break;
case AddressMode.Indexed:
if (Register == Registers.pc &&
(options & MachineInstructionWriterOptions.ResolvePcRelativeAddress) != 0)
{
var ea = writer.Address + 4 + EffectiveAddress;
writer.WriteAddress("@#" + ea.ToString(), ea);
return;
}
fmt = "{1:X4}({0})";
break;
case AddressMode.IndexedDef:
if (Register == Registers.pc &&
(options & MachineInstructionWriterOptions.ResolvePcRelativeAddress) != 0)
{
writer.WriteString("@(");
var ea = writer.Address + 4 + EffectiveAddress;
writer.WriteAddress(ea.ToString(), ea);
writer.WriteString(")");
return;
}
fmt = "@{1:X4}({0})";
break;
//case AddressMode.Immediate : fmt = "#{1:X4}"; break;
case AddressMode.Absolute:
writer.WriteAddress(
string.Format("@#{0:X4}", EffectiveAddress),
Address.Ptr16(EffectiveAddress));
return;
default: throw new NotImplementedException(string.Format("Unknown mode {0}.", Mode));
}
writer.WriteString(string.Format(fmt, Register, EffectiveAddress));
}
public override void Render(MachineInstructionWriter writer, MachineInstructionWriterOptions options)
{
writer.WriteOpcode(this.Opcode.ToString());
writer.Tab();
bool sep = false;
foreach (var op in Operands)
{
if (sep)
writer.Write(',');
sep = true;
if (op is ImmediateOperand)
{
writer.Write('#');
op.Write(writer, options);
}
else if (op is MemoryOperand && ((MemoryOperand)op).Base == Registers.pc)
{
var addr = this.Address + (this.Length + ((MemoryOperand)op).Offset.ToInt32());
if ((options & MachineInstructionWriterOptions.ResolvePcRelativeAddress) != 0)
{
writer.WriteAddress(addr.ToString(), addr);
writer.AddAnnotation(op.ToString());
}
else
{
op.Write(writer, options);
writer.AddAnnotation(addr.ToString());
}
}
else
{
op.Write(writer, options);
}
}
}
protected override void RenderOperand(MachineOperand op, MachineInstructionWriter writer, MachineInstructionWriterOptions options)
{
switch (op)
{
case ImmediateOperand _:
writer.WriteChar('#');
op.Write(writer, options);
return;
case MemoryOperand mop when mop.Base == Registers.pc:
var addr = this.Address + this.Length;
if (mop.Offset != null)
{
addr += mop.Offset.ToInt32();
}
if ((options & MachineInstructionWriterOptions.ResolvePcRelativeAddress) != 0)
{
writer.WriteAddress(addr.ToString(), addr);
writer.AddAnnotation(op.ToString());
}
else
{
op.Write(writer, options);
writer.AddAnnotation(addr.ToString());
}
return;
default:
op.Write(writer, options);
return;
}
}
public override void Write(bool fExplicit, MachineInstructionWriter writer)
{
if (Base != null)
{
if (Offset != null)
{
int offset = Offset.ToInt32();
string fmt;
if (offset > 0)
{
fmt = "({0}+{1:X2})";
}
else if (offset < 0)
{
offset = -offset;
fmt = "({0}-{1:X2})";
}
else
{
fmt = "({0})";
}
writer.Write(string.Format(fmt, Base, offset));
}
else
{
writer.Write(string.Format("({0})", Base));
}
}
else
{
writer.Write("(");
writer.WriteAddress(string.Format("{0:X4}", Offset.ToUInt16()), Address.Ptr16(Offset.ToUInt16()));
writer.Write(")");
}
}
private void Write(MachineOperand op, MachineInstructionWriter writer, MachineInstructionWriterOptions options)
{
var memOp = op as MemoryOperand;
if (memOp != null)
{
if (memOp.Base == Registers.rip)
{
var addr = this.Address + this.Length + memOp.Offset.ToInt32();
if ((options & MachineInstructionWriterOptions.ResolvePcRelativeAddress) != 0)
{
writer.Write("[");
writer.WriteAddress(addr.ToString(), addr);
writer.Write("]");
writer.AddAnnotation(op.ToString());
}
else
{
op.Write(writer, options);
writer.AddAnnotation(addr.ToString());
}
return;
}
}
op.Write(writer, options);
}
private void WriteOp(MachineOperand op, MachineInstructionWriter writer)
{
var rop = op as RegisterOperand;
if (rop != null)
{
writer.WriteString(rop.Register.Name);
return;
}
var immop = op as ImmediateOperand;
if (immop != null)
{
writer.WriteString(immop.Value.ToString());
return;
}
var addrop = op as AddressOperand;
if (addrop != null)
{
//$TODO: 32-bit?
writer.WriteAddress(string.Format("{0:X16}", addrop.Address.ToLinear()), addrop.Address);
return;
}
throw new NotImplementedException();
}
public override void Write(bool fExplicit, MachineInstructionWriter writer)
{
if (Base != null)
{
if (Offset != null)
{
int offset = Offset.ToInt32();
string fmt;
if (offset > 0)
{
fmt = "({0}+{1:X2})";
}
else if (offset < 0)
{
offset = -offset;
fmt = "({0}-{1:X2})";
}
else
{
fmt = "({0})";
}
writer.Write(string.Format(fmt, Base, offset));
}
else
{
writer.Write(string.Format("({0})", Base));
}
}
else
{
writer.Write("(");
writer.WriteAddress(string.Format("{0:X4}", Offset.ToUInt16()), Address.Ptr16(Offset.ToUInt16()));
writer.Write(")");
}
}
public override void Write(bool fExplicit, MachineInstructionWriter writer)
{
var s = FormatValue(value);
var pt = value.DataType as PrimitiveType;
if (pt != null && pt.Domain == Domain.Pointer)
{
writer.WriteAddress(s, Address.FromConstant(value)); //$TODO: add WriteAddress(string, Constant) to MachineINstructionWriter
}
else if (value.DataType is Pointer)
{
writer.WriteAddress(s, Address.FromConstant(value));
}
else
{
writer.Write(s);
}
}
public override void Write(bool fExplicit, MachineInstructionWriter writer)
{
string s;
if (base.Width.Size == 2)
s = string.Format("{0:X4}", Address.ToLinear());
else
s = Address.ToString();
writer.WriteAddress(s, Address);
}
public void Write(ArmInstructionOperand op, MachineInstructionWriter writer)
{
switch (op.Type)
{
case ArmInstructionOperandType.Immediate:
if (instruction.Id == Opcode.B ||
instruction.Id == Opcode.BL ||
instruction.Id == Opcode.BLX)
{
writer.Write("$");
writer.WriteAddress(
string.Format("{0:X8}", op.ImmediateValue.Value),
Address.Ptr32((uint)op.ImmediateValue.Value));
break;
}
writer.Write("#");
WriteImmediateValue(op.ImmediateValue.Value, writer);
break;
case ArmInstructionOperandType.CImmediate:
writer.Write("c{0}", op.ImmediateValue);
break;
case ArmInstructionOperandType.PImmediate:
writer.Write("p{0}", op.ImmediateValue);
break;
case ArmInstructionOperandType.Register:
if (op.IsSubtracted)
{
writer.Write('-');
}
writer.Write(A32Registers.RegisterByCapstoneID[op.RegisterValue.Value].Name);
WriteShift(op, writer);
break;
case ArmInstructionOperandType.SysRegister:
writer.Write(A32Registers.SysRegisterByCapstoneID[op.SysRegisterValue.Value].Name);
break;
case ArmInstructionOperandType.Memory:
WriteMemoryOperand(op, writer);
break;
case ArmInstructionOperandType.SetEnd:
writer.Write(op.SetEndValue.ToString().ToLowerInvariant());
break;
default:
throw new NotImplementedException(string.Format(
"Can't disasseble {0} {1}. Unknown operand type: {2}",
instruction.Mnemonic,
instruction.Operand,
op.Type));
}
}
public override void Write(MachineInstructionWriter writer, MachineInstructionWriterOptions options)
{
if (Base == null)
{
writer.WriteFormat("&{0:X4}", (ushort)this.Offset);
return;
}
if (Offset > 0)
{
if (Base == Registers.pc && (options & MachineInstructionWriterOptions.ResolvePcRelativeAddress) != 0)
{
var addr = writer.Address + 4 + Offset;
writer.WriteAddress(addr.ToString(), addr);
}
else
{
writer.WriteFormat("{0:X4}({1})", Offset, Base.Name);
}
}
else if (Offset < 0)
{
if (Base == Registers.pc && (options & MachineInstructionWriterOptions.ResolvePcRelativeAddress) != 0)
{
var addr = writer.Address + 4 + Offset;
writer.WriteAddress(addr.ToString(), addr);
}
else
{
writer.WriteFormat("-{0:X4}({1})", -Offset, Base.Name);
}
}
else
{
writer.WriteChar('@');
writer.WriteString(Base.Name);
if (PostIncrement)
{
writer.WriteChar('+');
}
}
}
public override void Write(MachineInstructionWriter writer, MachineInstructionWriterOptions options)
{
string s;
if (base.Width.Size == 2)
{
s = string.Format("{0:X4}", Address.ToLinear());
}
else
{
s = Address.ToString();
}
writer.WriteAddress(s, Address);
}
public override void Write(MachineInstructionWriter writer, MachineInstructionWriterOptions options)
{
var s = FormatValue(Value);
if (Value.DataType is PrimitiveType pt)
{
if (pt.Domain == Domain.Pointer)
{
writer.WriteAddress(s, Address.FromConstant(Value));
}
else
{
writer.WriteString(s);
}
}
else if (Value.DataType is Pointer)
{
writer.WriteAddress(s, Address.FromConstant(Value));
}
else
{
writer.WriteString(s);
}
}
private void RenderOperand(MachineOperand op, MachineInstructionWriter writer, MachineInstructionWriterOptions options)
{
switch (op)
{
case ImmediateOperand imm:
writer.WriteString(ImmediateOperand.FormatUnsignedValue(imm.Value, ">{1}"));
break;
case AddressOperand addr:
writer.WriteAddress("@" + addr.Address, addr.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());
}
}
public override void Write(MachineInstructionWriter writer, MachineInstructionWriterOptions options)
{
if (Address == null)
{
writer.WriteChar('*');
writer.WriteString(Register.Name);
}
else
{
writer.WriteAddress("@" + Address, Address);
if (Register != null)
{
writer.WriteChar('(');
writer.WriteString(Register.Name);
writer.WriteChar(')');
}
}
}
public override void Write(MachineInstructionWriter writer, MachineInstructionWriterOptions options)
{
writer.Write('(');
if (Base != null)
{
if (Increment < 0)
{
writer.Write("{0}:-", -Increment);
}
writer.Write(Base.Name);
if (Index != null)
{
writer.Write('+');
writer.Write(Index.Name);
}
else if (Offset != null)
{
int off = Offset.ToInt32();
int absOff;
if (off < 0)
{
writer.Write('-');
absOff = -off;
}
else
{
writer.Write('+');
absOff = off;
}
writer.Write("0x");
writer.Write(OffsetFormat(off), absOff);
}
if (Increment > 0)
{
writer.Write("+:{0}", Increment);
}
}
else
{
var addr = Address.Ptr16(Offset.ToUInt16());
writer.WriteAddress(addr.ToString(), addr);
}
writer.Write(')');
}
protected override void RenderOperand(MachineOperand op, MachineInstructionWriter writer, MachineInstructionWriterOptions options)
{
if (op is MemoryOperand memOp && memOp.Base == Registers.pc)
{
var uAddr = Address.ToUInt32() + memOp.Offset.ToInt32();
var addr = Address.Ptr32((uint)uAddr);
if ((options & MachineInstructionWriterOptions.ResolvePcRelativeAddress) != 0)
{
writer.WriteAddress(addr.ToString(), addr);
writer.AddAnnotation(op.ToString());
}
else
{
op.Write(writer, options);
writer.AddAnnotation(addr.ToString());
}
return;
}
op.Write(writer, options);
}
private void Render(MachineOperand op, MachineInstructionWriter writer, MachineInstructionWriterOptions options)
{
switch (op)
{
case ImmediateOperand immOp:
writer.WriteChar('#');
immOp.Write(writer, options);
return;
case MemoryOperand memOp:
if (memOp.mode == AddressingMode.PcRelativeDisplacement)
{
uint uAddr = this.Address.ToUInt32();
if (memOp.Width.Size == 4)
{
uAddr &= ~3u;
}
uAddr += (uint)(memOp.disp + 4);
var addr = Core.Address.Ptr32(uAddr);
if ((options & MachineInstructionWriterOptions.ResolvePcRelativeAddress) != 0)
{
writer.WriteChar('(');
writer.WriteAddress(addr.ToString(), addr);
writer.WriteChar(')');
writer.AddAnnotation(op.ToString());
}
else
{
op.Write(writer, options);
writer.AddAnnotation(addr.ToString());
}
return;
}
goto default;
default:
op.Write(writer, options);
break;
}
}
protected override void RenderOperand(MachineOperand op, MachineInstructionWriter writer, MachineInstructionWriterOptions options)
{
switch (op)
{
case RegisterOperand rop:
writer.WriteString(rop.Register.Name);
return;
case ImmediateOperand immop:
immop.Write(writer, options);
return;
case AddressOperand addrop:
//$TODO: 32-bit?
writer.WriteAddress(string.Format("{0:X16}", addrop.Address.ToLinear()), addrop.Address);
return;
case MemoryOperand memop:
memop.Write(writer, options);
return;
}
throw new NotImplementedException($"Risc-V operand type {op.GetType().Name} not implemented yet.");
}
private void Render(MachineOperand op, MachineInstructionWriter writer, MachineInstructionWriterOptions options)
{
var immOp = op as ImmediateOperand;
if (immOp != null)
{
writer.Write('#');
immOp.Write(writer, options);
return;
}
var memOp = op as MemoryOperand;
if (memOp != null && memOp.mode == AddressingMode.PcRelativeDisplacement)
{
uint uAddr = this.Address.ToUInt32();
if (memOp.Width.Size == 4)
{
uAddr &= ~3u;
}
uAddr += (uint)(memOp.disp + 4);
var addr = Core.Address.Ptr32(uAddr);
if ((options & MachineInstructionWriterOptions.ResolvePcRelativeAddress) != 0)
{
writer.Write('(');
writer.WriteAddress(addr.ToString(), addr);
writer.Write(')');
writer.AddAnnotation(op.ToString());
}
else
{
op.Write(writer, options);
writer.AddAnnotation(addr.ToString());
}
return;
}
op.Write(writer, options);
}
private void RenderOperand(MachineOperand op, MachineInstructionWriter writer, MachineInstructionWriterOptions options)
{
switch (op)
{
case RegisterOperand reg:
WriteRegister(reg.Register, writer);
break;
case ImmediateOperand imm:
if (imm.Width.Domain == Domain.Real)
{
writer.WriteFormat($"#{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;
}
}
public override void Write(bool fExplicit, MachineInstructionWriter writer)
{
if (fExplicit)
{
string s;
if (Width == PrimitiveType.Byte)
{
s = "byte ptr ";
}
else if (Width == PrimitiveType.Word16)
{
s = "word ptr ";
}
else if (Width.Size == 4)
{
s = "dword ptr ";
}
else if (Width == PrimitiveType.Word64)
{
s = "qword ptr ";
}
else if (Width == PrimitiveType.Real32)
{
s = "float ptr ";
}
else if (Width == PrimitiveType.Real64)
{
s = "double ptr ";
}
else if (Width == PrimitiveType.Real80 || Width == PrimitiveType.Bcd80)
{
s = "tword ptr ";
}
else if (Width == PrimitiveType.Word128)
{
s = "xmmword ptr ";
}
else if (Width == PrimitiveType.Word256)
{
s = "ymmword ptr ";
}
else
{
throw new ArgumentOutOfRangeException();
}
writer.Write(s);
}
if (SegOverride != RegisterStorage.None)
{
writer.Write(SegOverride.ToString());
writer.Write(":");
}
writer.Write("[");
if (Base != RegisterStorage.None)
{
writer.Write(Base.ToString());
}
else
{
var s = FormatUnsignedValue(Offset);
writer.WriteAddress(s, Address.FromConstant(Offset));
}
if (Index != RegisterStorage.None)
{
writer.Write("+");
writer.Write(Index.ToString());
if (Scale > 1)
{
writer.Write("*");
writer.Write(Scale);
}
}
if (Base != RegisterStorage.None && Offset != null && Offset.IsValid)
{
if (Offset.DataType == PrimitiveType.Byte || Offset.DataType == PrimitiveType.SByte)
{
writer.Write(FormatSignedValue(Offset));
}
else
{
writer.Write("+");
writer.Write(FormatUnsignedValue(Offset));
}
}
writer.Write("]");
}
public override void Write(MachineInstructionWriter writer, MachineInstructionWriterOptions options)
{
writer.WriteString("far");
writer.WriteString(" ");
writer.WriteAddress(Address.ToString(), Address);
}
public override void Write(MachineInstructionWriter writer, MachineInstructionWriterOptions options)
{
if ((options & MachineInstructionWriterOptions.ExplicitOperandSize) != 0)
{
string s;
if (Width == PrimitiveType.Byte)
{
s = "byte ptr ";
}
else if (Width == PrimitiveType.Word16)
{
s = "word ptr ";
}
else if (Width.Size == 4)
{
s = "dword ptr ";
}
else if (Width == PrimitiveType.Word64)
{
s = "qword ptr ";
}
else if (Width == PrimitiveType.Real32)
{
s = "float ptr ";
}
else if (Width == PrimitiveType.Real64)
{
s = "double ptr ";
}
else if (Width == PrimitiveType.Real80 || Width == PrimitiveType.Bcd80)
{
s = "tword ptr ";
}
else if (Width == PrimitiveType.Word128)
{
s = "xmmword ptr ";
}
else if (Width == PrimitiveType.Word256)
{
s = "ymmword ptr ";
}
else
{
throw new ArgumentOutOfRangeException();
}
writer.Write(s);
}
if (SegOverride != RegisterStorage.None)
{
writer.Write(SegOverride.ToString());
writer.Write(":");
}
writer.Write("[");
if (Base != RegisterStorage.None)
{
writer.Write(Base.ToString());
}
else
{
var s = FormatUnsignedValue(Offset);
writer.WriteAddress(s, Address.FromConstant(Offset));
}
if (Index != RegisterStorage.None)
{
writer.Write("+");
writer.Write(Index.ToString());
if (Scale > 1)
{
writer.Write("*");
writer.Write(Scale);
}
}
if (Base != RegisterStorage.None && Offset != null && Offset.IsValid)
{
if (Offset.DataType == PrimitiveType.Byte || Offset.DataType == PrimitiveType.SByte)
{
writer.Write(FormatSignedValue(Offset));
}
else
{
var off = Offset.ToInt32();
if (off == Int32.MinValue)
{
writer.Write("-80000000");
}
else
{
var absOff = Math.Abs(off);
if (Offset.DataType.Size > 2 && off < 0 && absOff < 0x10000)
{
// Special case for negative 32-bit offsets whose
// absolute value < 0x10000 (GitHub issue #252)
writer.Write("-");
writer.Write("{0:X8}", absOff);
}
else
{
writer.Write("+");
writer.Write(FormatUnsignedValue(Offset));
}
}
}
}
writer.Write("]");
}
public void Write(ArmInstructionOperand op, MachineInstructionWriter writer, MachineInstructionWriterOptions options)
{
switch (op.Type)
{
case ArmInstructionOperandType.Immediate:
if (instruction.Id == Opcode.B ||
instruction.Id == Opcode.BL ||
instruction.Id == Opcode.BLX)
{
writer.Write("$");
writer.WriteAddress(
string.Format("{0:X8}", op.ImmediateValue.Value),
Address.Ptr32((uint)op.ImmediateValue.Value));
break;
}
writer.Write("#");
WriteImmediateValue(op.ImmediateValue.Value, writer);
break;
case ArmInstructionOperandType.CImmediate:
writer.Write("c{0}", op.ImmediateValue);
break;
case ArmInstructionOperandType.PImmediate:
writer.Write("p{0}", op.ImmediateValue);
break;
case ArmInstructionOperandType.Register:
if (op.IsSubtracted)
{
writer.Write('-');
}
writer.Write(A32Registers.RegisterByCapstoneID[op.RegisterValue.Value].Name);
WriteShift(op, writer);
break;
case ArmInstructionOperandType.SysRegister:
writer.Write(A32Registers.SysRegisterByCapstoneID[op.SysRegisterValue.Value].Name);
break;
case ArmInstructionOperandType.Memory:
if (op.MemoryValue.BaseRegister == ArmRegister.PC)
{
var uAddr = (uint)((int)this.Address.ToUInt32() + op.MemoryValue.Displacement) + 8u;
var addr = Address.Ptr32(uAddr);
if (op.MemoryValue.IndexRegister == ArmRegister.Invalid &&
(options & MachineInstructionWriterOptions.ResolvePcRelativeAddress) != 0)
{
writer.Write('[');
writer.WriteAddress(addr.ToString(), addr);
writer.Write(']');
var sr = new StringRenderer();
WriteMemoryOperand(op, sr);
writer.AddAnnotation(sr.ToString());
}
else
{
WriteMemoryOperand(op, writer);
writer.AddAnnotation(addr.ToString());
}
return;
}
WriteMemoryOperand(op, writer);
break;
case ArmInstructionOperandType.SetEnd:
writer.Write(op.SetEndValue.ToString().ToLowerInvariant());
break;
case ArmInstructionOperandType.FloatingPoint:
var f = op.FloatingPointValue.Value.ToString("g", CultureInfo.InvariantCulture);
if (f.IndexOfAny(nosuffixRequired) < 0)
{
f += ".0";
}
writer.Write("#{0}", f);
break;
default:
throw new NotImplementedException(string.Format(
"Can't disassemble {0} {1}. Unknown operand type: {2}",
instruction.Mnemonic,
instruction.Operand,
op.Type));
}
}
public override void Write(bool fExplicit, MachineInstructionWriter writer)
{
if (fExplicit)
{
string s;
if (Width == PrimitiveType.Byte)
s = "byte ptr ";
else if (Width == PrimitiveType.Word16)
s = "word ptr ";
else if (Width.Size == 4)
s = "dword ptr ";
else if (Width == PrimitiveType.Word64)
s = "qword ptr ";
else if (Width == PrimitiveType.Real32)
s = "float ptr ";
else if (Width == PrimitiveType.Real64)
s = "double ptr ";
else if (Width == PrimitiveType.Real80 || Width == PrimitiveType.Bcd80)
s = "tword ptr ";
else if (Width == PrimitiveType.Word128)
s = "xmmword ptr ";
else if (Width == PrimitiveType.Word256)
s = "ymmword ptr ";
else
throw new ArgumentOutOfRangeException();
writer.Write(s);
}
if (SegOverride != RegisterStorage.None)
{
writer.Write(SegOverride.ToString());
writer.Write(":");
}
writer.Write("[");
if (Base != RegisterStorage.None)
{
writer.Write(Base.ToString());
}
else
{
var s = FormatUnsignedValue(Offset);
writer.WriteAddress(s, Address.FromConstant(Offset));
}
if (Index != RegisterStorage.None)
{
writer.Write("+");
writer.Write(Index.ToString());
if (Scale > 1)
{
writer.Write("*");
writer.Write(Scale);
}
}
if (Base != RegisterStorage.None && Offset != null && Offset.IsValid)
{
if (Offset.DataType == PrimitiveType.Byte || Offset.DataType == PrimitiveType.SByte)
{
writer.Write(FormatSignedValue(Offset));
}
else
{
writer.Write("+");
writer.Write(FormatUnsignedValue(Offset));
}
}
writer.Write("]");
}
public override void Write(bool fExplicit, MachineInstructionWriter writer)
{
writer.WriteAddress(Address.ToString(), Address);
}
public override void Write(bool fExplicit, MachineInstructionWriter writer)
{
var s = FormatValue(value);
var pt = value.DataType as PrimitiveType;
if (pt != null && pt.Domain == Domain.Pointer)
writer.WriteAddress(s, Address.FromConstant(value)); //$TODO: add WriteAddress(string, Constant) to MachineINstructionWriter
else if (value.DataType is Pointer)
writer.WriteAddress(s, Address.FromConstant(value));
else
writer.Write(s);
}
public override void Write(bool fExplicit, MachineInstructionWriter writer)
{
writer.Write("far");
writer.Write(" ");
writer.WriteAddress(Address.ToString(), Address);
}
protected override void RenderOperand(MachineOperand op, MachineInstructionWriter writer, MachineInstructionWriterOptions options)
{
switch (op)
{
case RegisterOperand reg:
writer.WriteString(reg.Register.Name);
return;
case ImmediateOperand imm:
var sbImm = new StringBuilder("#");
var sImm = imm.Value.ToString();
writer.WriteString(sImm);
return;
case MemoryOperand mem:
if (Prefix != null)
{
writer.WriteFormat("{0}:", Prefix.Name);
}
writer.WriteChar('[');
if (mem.Base != null)
{
writer.WriteString(mem.Base.Name);
if (mem.Index != null)
{
writer.WriteFormat("+{0}", mem.Index.Name);
}
else if (mem.Offset != 0)
{
if (mem.Offset >= 0xA0)
{
writer.WriteFormat("+0{0:X2}h", mem.Offset);
}
else
{
writer.WriteFormat("+{0:X2}h", mem.Offset);
}
}
}
else
{
if (mem.Offset >= 0xA000)
{
writer.WriteFormat("0{0:X4}h", mem.Offset);
}
else
{
writer.WriteFormat("{0:X4}h", mem.Offset);
}
if (mem.Index != null)
{
writer.WriteFormat("+{0}", mem.Index.Name);
}
}
writer.WriteChar(']');
return;
case BitOperand bit:
this.RenderOperand(bit.Operand, writer, options);
writer.WriteFormat(".{0}", bit.BitPosition);
return;
case AddressOperand aop:
writer.WriteAddress(aop.Address.ToString(), aop.Address);
return;
case RegisterBankOperand rbop:
writer.WriteFormat("rb{0}", rbop.Bank);
return;
case FlagGroupOperand grf:
writer.WriteString(grf.FlagGroup.Name);
return;
}
throw new NotImplementedException($"Rl78Instruction - RenderOperand {op.GetType().Name}.");
}
public override void Write(bool fExplicit, MachineInstructionWriter writer)
{
writer.Write("$");
writer.WriteAddress(string.Format("{0,8:X}", Address), Address);
}
public override void Write(bool fExplicit, MachineInstructionWriter writer)
{
writer.Write("$");
writer.WriteAddress(string.Format("{0,8:X}", Address), Address);
}
public override void Write(bool fExplicit, MachineInstructionWriter writer)
{
if (fExplicit)
{
string s;
if (Width == PrimitiveType.Byte)
s = "byte ptr ";
else if (Width == PrimitiveType.Word16)
s = "word ptr ";
else if (Width.Size == 4)
s = "dword ptr ";
else if (Width == PrimitiveType.Word64)
s = "qword ptr ";
else if (Width == PrimitiveType.Real32)
s = "float ptr ";
else if (Width == PrimitiveType.Real64)
s = "double ptr ";
else if (Width == PrimitiveType.Real80 || Width == PrimitiveType.Bcd80)
s = "tword ptr ";
else if (Width == PrimitiveType.Word128)
s = "xmmword ptr ";
else if (Width == PrimitiveType.Word256)
s = "ymmword ptr ";
else
throw new ArgumentOutOfRangeException();
writer.Write(s);
}
if (SegOverride != RegisterStorage.None)
{
writer.Write(SegOverride.ToString());
writer.Write(":");
}
writer.Write("[");
if (Base != RegisterStorage.None)
{
writer.Write(Base.ToString());
}
else
{
var s = FormatUnsignedValue(Offset);
writer.WriteAddress(s, Address.FromConstant(Offset));
}
if (Index != RegisterStorage.None)
{
writer.Write("+");
writer.Write(Index.ToString());
if (Scale > 1)
{
writer.Write("*");
writer.Write(Scale);
}
}
if (Base != RegisterStorage.None && Offset != null && Offset.IsValid)
{
if (Offset.DataType == PrimitiveType.Byte || Offset.DataType == PrimitiveType.SByte)
{
writer.Write(FormatSignedValue(Offset));
}
else
{
var off = Offset.ToInt32();
var absOff = Math.Abs(off);
if (Offset.DataType.Size > 2 && off < 0 && absOff < 0x10000)
{
// Special case for negative 32-bit offsets whose
// absolute value < 0x10000 (GitHub issue #252)
writer.Write("-");
writer.Write("{0:X8}", absOff);
}
else
{
writer.Write("+");
writer.Write(FormatUnsignedValue(Offset));
}
}
}
writer.Write("]");
}
public override void Write(MachineInstructionWriter writer, MachineInstructionWriterOptions options)
{
writer.WriteAddress(string.Format("${0:X8}", Address.Offset), Address);
}
public void Write(ArmInstructionOperand op, MachineInstructionWriter writer)
{
switch (op.Type)
{
case ArmInstructionOperandType.Immediate:
if (instruction.Id == Opcode.B ||
instruction.Id == Opcode.BL ||
instruction.Id == Opcode.BLX)
{
writer.Write("$");
writer.WriteAddress(
string.Format("{0:X8}", op.ImmediateValue.Value),
Address.Ptr32((uint)op.ImmediateValue.Value));
break;
}
writer.Write("#");
WriteImmediateValue(op.ImmediateValue.Value, writer);
break;
case ArmInstructionOperandType.CImmediate:
writer.Write("c{0}", op.ImmediateValue);
break;
case ArmInstructionOperandType.PImmediate:
writer.Write("p{0}", op.ImmediateValue);
break;
case ArmInstructionOperandType.Register:
if (op.IsSubtracted)
writer.Write('-');
writer.Write(A32Registers.RegisterByCapstoneID[op.RegisterValue.Value].Name);
WriteShift(op, writer);
break;
case ArmInstructionOperandType.Memory:
WriteMemoryOperand(op, writer);
break;
case ArmInstructionOperandType.SetEnd:
writer.Write(op.SetEndValue.ToString().ToLowerInvariant());
break;
default:
throw new NotImplementedException(string.Format(
"Can't disasseble {0} {1}. Unknown operand type: {2}",
instruction.Mnemonic,
instruction.Operand,
op.Type));
}
}
private void WriteOp(MachineOperand op, MachineInstructionWriter writer)
{
var rop = op as RegisterOperand;
if (rop != null)
{
writer.Write(rop.Register.Name);
return;
}
var immop = op as ImmediateOperand;
if (immop != null)
{
writer.Write(immop.Value.ToString());
return;
}
var addrop = op as AddressOperand;
if (addrop != null)
{
//$TODO: 32-bit?
writer.WriteAddress(string.Format("{0:X16}", addrop.Address.ToLinear()), addrop.Address);
return;
}
throw new NotImplementedException();
}
