include/llvm/MC/MCFixedLenDisassembler.h

   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
  13 namespace llvm {
  14
  15 namespace MCD {
  16 // Disassembler state machine opcodes.
  17 enum 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