1//===-- llvm/MC/MCFixedLenDisassembler.h - Decoder driver -------*- C++ -*-===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8// Fixed length disassembler decoder state machine driver.
9//===----------------------------------------------------------------------===//
10#ifndef LLVM_MC_MCFIXEDLENDISASSEMBLER_H
11#define LLVM_MC_MCFIXEDLENDISASSEMBLER_H
12
13namespace llvm {
14
15namespace MCD {
16// Disassembler state machine opcodes.
17enum DecoderOps {
18  OPC_ExtractField = 1, // OPC_ExtractField(uint8_t Start, uint8_t Len)
19  OPC_FilterValue,      // OPC_FilterValue(uleb128 Val, uint16_t NumToSkip)
20  OPC_CheckField,       // OPC_CheckField(uint8_t Start, uint8_t Len,
21                        //                uleb128 Val, uint16_t NumToSkip)
22  OPC_CheckPredicate,   // OPC_CheckPredicate(uleb128 PIdx, uint16_t NumToSkip)
23  OPC_Decode,           // OPC_Decode(uleb128 Opcode, uleb128 DIdx)
24  OPC_TryDecode,        // OPC_TryDecode(uleb128 Opcode, uleb128 DIdx,
25                        //               uint16_t NumToSkip)
26  OPC_SoftFail,         // OPC_SoftFail(uleb128 PMask, uleb128 NMask)
27  OPC_Fail              // OPC_Fail()
28};
29
30} // namespace MCDecode
31} // namespace llvm
32
33#endif
34