iced/Iced/Intel/Decoder.32.cs

74 lines
2.8 KiB
C#

/*
Copyright (C) 2018 de4dot@gmail.com
This file is part of Iced.
Iced is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Iced is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with Iced. If not, see <https://www.gnu.org/licenses/>.
*/
#if !NO_DECODER32 && !NO_DECODER
using System.Diagnostics;
using System.Runtime.CompilerServices;
namespace Iced.Intel {
sealed partial class Decoder {
[MethodImpl(MethodImplOptions.AggressiveInlining)]
internal void ReadOpMem_m32(ref Instruction instruction) {
Debug.Assert(!is64Mode);
Debug.Assert(state.addressSize == OpSize.Size16 || state.addressSize == OpSize.Size32);
Debug.Assert(state.Encoding != EncodingKind.EVEX);
if (state.addressSize == OpSize.Size32)
ReadOpMem32Or64(ref instruction, Register.EAX, Register.EAX, TupleType.None, false);
else
ReadOpMem16(ref instruction, TupleType.None);
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
internal void ReadOpMem_m32(ref Instruction instruction, TupleType tupleType) {
Debug.Assert(!is64Mode);
Debug.Assert(state.addressSize == OpSize.Size16 || state.addressSize == OpSize.Size32);
if (state.addressSize == OpSize.Size32)
ReadOpMem32Or64(ref instruction, Register.EAX, Register.EAX, tupleType, false);
else
ReadOpMem16(ref instruction, tupleType);
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
internal void ReadOpMem_VSIB_m32(ref Instruction instruction, Register vsibIndex) {
Debug.Assert(!is64Mode);
Debug.Assert(state.addressSize == OpSize.Size16 || state.addressSize == OpSize.Size32);
Debug.Assert(state.Encoding != EncodingKind.EVEX);
if (state.addressSize == OpSize.Size32) {
if (!ReadOpMem32Or64(ref instruction, Register.EAX, vsibIndex, TupleType.None, true))
SetInvalidInstruction();
}
else
SetInvalidInstruction();
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
internal void ReadOpMem_VSIB_m32(ref Instruction instruction, Register vsibIndex, TupleType tupleType) {
Debug.Assert(!is64Mode);
Debug.Assert(state.addressSize == OpSize.Size16 || state.addressSize == OpSize.Size32);
if (state.addressSize == OpSize.Size32) {
if (!ReadOpMem32Or64(ref instruction, Register.EAX, vsibIndex, tupleType, true))
SetInvalidInstruction();
}
else
SetInvalidInstruction();
}
}
}
#endif