1 /*
2 * Copyright (c) 2023 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #ifndef MAPLE_IR_INCLUDE_BIN_MIR_FILE_H
17 #define MAPLE_IR_INCLUDE_BIN_MIR_FILE_H
18 #include <string>
19 #include "types_def.h"
20
21 namespace maple {
22 const std::string kBinMirFileID = "HWCMPL"; // for magic in file header
23 constexpr uint8 kVersionMajor = 0; // experimental version
24 constexpr uint8 kVersionMinor = 1;
25 constexpr int kMagicSize = 7;
26
27 enum BinMirFileType {
28 kMjsvmFileTypeCmplV1,
29 kMjsvmFileTypeCmpl, // kCmpl v2 is the release version of
30 kMjsvmFileTypeUnknown
31 };
32
MakeVersionNum(uint8 major,uint8 minor)33 inline uint8 MakeVersionNum(uint8 major, uint8 minor)
34 {
35 uint8 mj = major & 0x0Fu;
36 uint8 mn = minor & 0x0Fu;
37 constexpr uint8 shiftNum = 4;
38 return (mj << shiftNum) | mn;
39 }
40
41 // file header for binary format kMmpl, 8B in total
42 // Note the header is different with the specification
43 struct BinMIRFileHeader {
44 char magic[kMagicSize]; // “HWCMPL”, or "HWLOS_"
45 uint8 segNum; // number of segments (e.g. one raw IR file is a segment unit)
46 uint8 type; // enum of type of VM file (e.g. MapleIR, TE)
47 uint8 version; // version of IR format (should be major.minor)
48 };
49 } // namespace maple
50 #endif // MAPLE_IR_INCLUDE_BIN_MIR_FILE_H
51