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_TryDecode, // OPC_TryDecode(uleb128 Opcode, uleb128 DIdx, 26 // uint16_t NumToSkip) 27 OPC_SoftFail, // OPC_SoftFail(uleb128 PMask, uleb128 NMask) 28 OPC_Fail // OPC_Fail() 29 }; 30 31 } // namespace MCDecode 32 } // namespace llvm 33 34 #endif 35
