| Andrew Scull | 5e1ddfa | 2018-08-14 10:06:54 +0100 | [diff] [blame] | 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 |