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      1 //===-- llvm/MC/MCFixedLenDisassembler.h - Decoder driver -------*- C++ -*-===//
      2 //
      3 //                     The LLVM Compiler Infrastructure
      4 //
      5 // This file is distributed under the University of Illinois Open Source
      6 // License. See LICENSE.TXT for details.
      7 //
      8 //===----------------------------------------------------------------------===//
      9 // Fixed length disassembler decoder state machine driver.
     10 //===----------------------------------------------------------------------===//
     11 #ifndef LLVM_MC_MCFIXEDLENDISASSEMBLER_H
     12 #define LLVM_MC_MCFIXEDLENDISASSEMBLER_H
     13 
     14 namespace llvm {
     15 
     16 namespace MCD {
     17 // Disassembler state machine opcodes.
     18 enum DecoderOps {
     19   OPC_ExtractField = 1, // OPC_ExtractField(uint8_t Start, uint8_t Len)
     20   OPC_FilterValue,      // OPC_FilterValue(uleb128 Val, uint16_t NumToSkip)
     21   OPC_CheckField,       // OPC_CheckField(uint8_t Start, uint8_t Len,
     22                         //                uleb128 Val, uint16_t NumToSkip)
     23   OPC_CheckPredicate,   // OPC_CheckPredicate(uleb128 PIdx, uint16_t NumToSkip)
     24   OPC_Decode,           // OPC_Decode(uleb128 Opcode, uleb128 DIdx)
     25   OPC_SoftFail,         // OPC_SoftFail(uleb128 PMask, uleb128 NMask)
     26   OPC_Fail              // OPC_Fail()
     27 };
     28 
     29 } // namespace MCDecode
     30 } // namespace llvm
     31 
     32 #endif
     33