protected OpCodeHandler(EncFlags2 encFlags2, EncFlags3 encFlags3, bool isSpecialInstr, TryConvertToDisp8N?tryConvertToDisp8N, Op[] operands)
{
EncFlags3 = encFlags3;
OpCode = GetOpCode(encFlags2);
Is2ByteOpCode = (encFlags2 & EncFlags2.OpCodeIs2Bytes) != 0;
GroupIndex = (encFlags2 & EncFlags2.HasGroupIndex) == 0 ? -1 : (int)(((uint)encFlags2 >> (int)EncFlags2.GroupIndexShift) & 7);
RmGroupIndex = (encFlags3 & EncFlags3.HasRmGroupIndex) == 0 ? -1 : (int)(((uint)encFlags2 >> (int)EncFlags2.GroupIndexShift) & 7);
IsSpecialInstr = isSpecialInstr;
OpSize = (CodeSize)(((uint)encFlags3 >> (int)EncFlags3.OperandSizeShift) & (uint)EncFlags3.OperandSizeMask);
AddrSize = (CodeSize)(((uint)encFlags3 >> (int)EncFlags3.AddressSizeShift) & (uint)EncFlags3.AddressSizeMask);
TryConvertToDisp8N = tryConvertToDisp8N;
Operands = operands;
}
internal OpCodeInfo(Code code, EncFlags1 encFlags1, EncFlags2 encFlags2, EncFlags3 encFlags3, OpCodeInfoFlags1 opcFlags1, OpCodeInfoFlags2 opcFlags2, StringBuilder sb)
{
Debug.Assert((uint)code < (uint)IcedConstants.CodeEnumCount);
Debug.Assert((uint)code <= ushort.MaxValue);
this.code = (ushort)code;
this.encFlags2 = encFlags2;
this.encFlags3 = encFlags3;
this.opcFlags1 = opcFlags1;
this.opcFlags2 = opcFlags2;
if ((encFlags1 & EncFlags1.IgnoresRoundingControl) != 0)
{
flags |= Flags.IgnoresRoundingControl;
}
if ((encFlags1 & EncFlags1.AmdLockRegBit) != 0)
{
flags |= Flags.AmdLockRegBit;
}
flags |= (opcFlags1 & (OpCodeInfoFlags1.Cpl0Only | OpCodeInfoFlags1.Cpl3Only)) switch {
OpCodeInfoFlags1.Cpl0Only => Flags.CPL0,
OpCodeInfoFlags1.Cpl3Only => Flags.CPL3,
_ => Flags.CPL0 | Flags.CPL1 | Flags.CPL2 | Flags.CPL3,
};
encoding = (byte)(((uint)encFlags3 >> (int)EncFlags3.EncodingShift) & (uint)EncFlags3.EncodingMask);
mandatoryPrefix = (MandatoryPrefixByte)(((uint)encFlags2 >> (int)EncFlags2.MandatoryPrefixShift) & (uint)EncFlags2.MandatoryPrefixMask) switch {
MandatoryPrefixByte.None => (byte)((encFlags2 & EncFlags2.HasMandatoryPrefix) != 0 ? MandatoryPrefix.PNP : MandatoryPrefix.None),
MandatoryPrefixByte.P66 => (byte)MandatoryPrefix.P66,
MandatoryPrefixByte.PF3 => (byte)MandatoryPrefix.PF3,
MandatoryPrefixByte.PF2 => (byte)MandatoryPrefix.PF2,
_ => throw new InvalidOperationException(),
};
operandSize = (CodeSize)(((uint)encFlags3 >> (int)EncFlags3.OperandSizeShift) & (uint)EncFlags3.OperandSizeMask) switch {
CodeSize.Unknown => 0,
CodeSize.Code16 => 16,
CodeSize.Code32 => 32,
CodeSize.Code64 => 64,
_ => throw new InvalidOperationException(),
};
addressSize = (CodeSize)(((uint)encFlags3 >> (int)EncFlags3.AddressSizeShift) & (uint)EncFlags3.AddressSizeMask) switch {
CodeSize.Unknown => 0,
CodeSize.Code16 => 16,
CodeSize.Code32 => 32,
CodeSize.Code64 => 64,
_ => throw new InvalidOperationException(),
};
groupIndex = (sbyte)((encFlags2 & EncFlags2.HasGroupIndex) == 0 ? -1 : (int)(((uint)encFlags2 >> (int)EncFlags2.GroupIndexShift) & 7));
rmGroupIndex = (sbyte)((encFlags2 & EncFlags2.HasRmGroupIndex) == 0 ? -1 : (int)(((uint)encFlags2 >> (int)EncFlags2.GroupIndexShift) & 7));
tupleType = (byte)(((uint)encFlags3 >> (int)EncFlags3.TupleTypeShift) & (uint)EncFlags3.TupleTypeMask);
LKind lkind;
#if !NO_VEX || !NO_EVEX || !NO_XOP
switch ((LBit)(((uint)encFlags2 >> (int)EncFlags2.LBitShift) & (int)EncFlags2.LBitMask))
{
case LBit.LZ:
lkind = LKind.LZ;
l = 0;
break;
case LBit.L0:
lkind = LKind.L0;
l = 0;
break;
case LBit.L1:
lkind = LKind.L0;
l = 1;
break;
case LBit.L128:
lkind = LKind.L128;
l = 0;
break;
case LBit.L256:
lkind = LKind.L128;
l = 1;
break;
case LBit.L512:
lkind = LKind.L128;
l = 2;
break;
case LBit.LIG:
lkind = LKind.None;
l = 0;
flags |= Flags.LIG;
break;
default:
throw new InvalidOperationException();
}
#else
lkind = LKind.LZ;
#endif
#if !NO_VEX || !NO_EVEX || !NO_XOP
switch ((WBit)(((uint)encFlags2 >> (int)EncFlags2.WBitShift) & (uint)EncFlags2.WBitMask))
{
case WBit.W0:
break;
case WBit.W1:
flags |= Flags.W;
break;
case WBit.WIG:
flags |= Flags.WIG;
break;
case WBit.WIG32:
flags |= Flags.WIG32;
break;
default:
throw new InvalidOperationException();
}
#endif
string?toOpCodeStringValue = null;
string?toInstructionStringValue = null;
#if HAS_SPAN
ReadOnlySpan <byte> opKinds;
#else
byte[] opKinds;
#endif
switch ((EncodingKind)encoding)
{
case EncodingKind.Legacy:
opKinds = OpCodeOperandKinds.LegacyOpKinds;
op0Kind = opKinds[(int)(((uint)encFlags1 >> (int)EncFlags1.Legacy_Op0Shift) & (uint)EncFlags1.Legacy_OpMask)];
op1Kind = opKinds[(int)(((uint)encFlags1 >> (int)EncFlags1.Legacy_Op1Shift) & (uint)EncFlags1.Legacy_OpMask)];
op2Kind = opKinds[(int)(((uint)encFlags1 >> (int)EncFlags1.Legacy_Op2Shift) & (uint)EncFlags1.Legacy_OpMask)];
op3Kind = opKinds[(int)(((uint)encFlags1 >> (int)EncFlags1.Legacy_Op3Shift) & (uint)EncFlags1.Legacy_OpMask)];
table = (LegacyOpCodeTable)(((uint)encFlags2 >> (int)EncFlags2.TableShift) & (uint)EncFlags2.TableMask) switch {
LegacyOpCodeTable.Normal => (byte)OpCodeTableKind.Normal,
LegacyOpCodeTable.Table0F => (byte)OpCodeTableKind.T0F,
LegacyOpCodeTable.Table0F38 => (byte)OpCodeTableKind.T0F38,
LegacyOpCodeTable.Table0F3A => (byte)OpCodeTableKind.T0F3A,
_ => throw new InvalidOperationException(),
};
break;
case EncodingKind.VEX:
#if !NO_VEX
opKinds = OpCodeOperandKinds.VexOpKinds;
op0Kind = opKinds[(int)(((uint)encFlags1 >> (int)EncFlags1.VEX_Op0Shift) & (uint)EncFlags1.VEX_OpMask)];
op1Kind = opKinds[(int)(((uint)encFlags1 >> (int)EncFlags1.VEX_Op1Shift) & (uint)EncFlags1.VEX_OpMask)];
op2Kind = opKinds[(int)(((uint)encFlags1 >> (int)EncFlags1.VEX_Op2Shift) & (uint)EncFlags1.VEX_OpMask)];
op3Kind = opKinds[(int)(((uint)encFlags1 >> (int)EncFlags1.VEX_Op3Shift) & (uint)EncFlags1.VEX_OpMask)];
op4Kind = opKinds[(int)(((uint)encFlags1 >> (int)EncFlags1.VEX_Op4Shift) & (uint)EncFlags1.VEX_OpMask)];
table = (VexOpCodeTable)(((uint)encFlags2 >> (int)EncFlags2.TableShift) & (uint)EncFlags2.TableMask) switch {
VexOpCodeTable.Table0F => (byte)OpCodeTableKind.T0F,
VexOpCodeTable.Table0F38 => (byte)OpCodeTableKind.T0F38,
VexOpCodeTable.Table0F3A => (byte)OpCodeTableKind.T0F3A,
_ => throw new InvalidOperationException(),
};
break;
#else
op4Kind = (byte)OpCodeOperandKind.None;
toOpCodeStringValue = string.Empty;
toInstructionStringValue = string.Empty;
break;
#endif
case EncodingKind.EVEX:
#if !NO_EVEX
opKinds = OpCodeOperandKinds.EvexOpKinds;
op0Kind = opKinds[(int)(((uint)encFlags1 >> (int)EncFlags1.EVEX_Op0Shift) & (uint)EncFlags1.EVEX_OpMask)];
op1Kind = opKinds[(int)(((uint)encFlags1 >> (int)EncFlags1.EVEX_Op1Shift) & (uint)EncFlags1.EVEX_OpMask)];
op2Kind = opKinds[(int)(((uint)encFlags1 >> (int)EncFlags1.EVEX_Op2Shift) & (uint)EncFlags1.EVEX_OpMask)];
op3Kind = opKinds[(int)(((uint)encFlags1 >> (int)EncFlags1.EVEX_Op3Shift) & (uint)EncFlags1.EVEX_OpMask)];
table = (EvexOpCodeTable)(((uint)encFlags2 >> (int)EncFlags2.TableShift) & (uint)EncFlags2.TableMask) switch {
EvexOpCodeTable.Table0F => (byte)OpCodeTableKind.T0F,
EvexOpCodeTable.Table0F38 => (byte)OpCodeTableKind.T0F38,
EvexOpCodeTable.Table0F3A => (byte)OpCodeTableKind.T0F3A,
_ => throw new InvalidOperationException(),
};
break;
#else
toOpCodeStringValue = string.Empty;
toInstructionStringValue = string.Empty;
break;
#endif
case EncodingKind.XOP:
#if !NO_XOP
opKinds = OpCodeOperandKinds.XopOpKinds;
op0Kind = opKinds[(int)(((uint)encFlags1 >> (int)EncFlags1.XOP_Op0Shift) & (uint)EncFlags1.XOP_OpMask)];
op1Kind = opKinds[(int)(((uint)encFlags1 >> (int)EncFlags1.XOP_Op1Shift) & (uint)EncFlags1.XOP_OpMask)];
op2Kind = opKinds[(int)(((uint)encFlags1 >> (int)EncFlags1.XOP_Op2Shift) & (uint)EncFlags1.XOP_OpMask)];
op3Kind = opKinds[(int)(((uint)encFlags1 >> (int)EncFlags1.XOP_Op3Shift) & (uint)EncFlags1.XOP_OpMask)];
table = (XopOpCodeTable)(((uint)encFlags2 >> (int)EncFlags2.TableShift) & (uint)EncFlags2.TableMask) switch {
XopOpCodeTable.XOP8 => (byte)OpCodeTableKind.XOP8,
XopOpCodeTable.XOP9 => (byte)OpCodeTableKind.XOP9,
XopOpCodeTable.XOPA => (byte)OpCodeTableKind.XOPA,
_ => throw new InvalidOperationException(),
};
break;
#else
toOpCodeStringValue = string.Empty;
toInstructionStringValue = string.Empty;
break;
#endif
case EncodingKind.D3NOW:
#if !NO_D3NOW
op0Kind = (byte)OpCodeOperandKind.mm_reg;
op1Kind = (byte)OpCodeOperandKind.mm_or_mem;
table = (byte)OpCodeTableKind.T0F;
break;
#else
toOpCodeStringValue = string.Empty;
toInstructionStringValue = string.Empty;
break;
#endif
default:
throw new InvalidOperationException();
}
this.toOpCodeStringValue = toOpCodeStringValue ?? new OpCodeFormatter(this, sb, lkind, (opcFlags1 & OpCodeInfoFlags1.ModRegRmString) != 0).Format();
var fmtOption = (InstrStrFmtOption)(((uint)opcFlags2 >> (int)OpCodeInfoFlags2.InstrStrFmtOptionShift) & (uint)OpCodeInfoFlags2.InstrStrFmtOptionMask);
this.toInstructionStringValue = toInstructionStringValue ?? new InstructionFormatter(this, fmtOption, sb).Format();
}
