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1#!/usr/bin/env python
2# -*- coding: utf-8 -*-
3# Copyright (c) 2024 Huawei Device Co., Ltd.
4# Licensed under the Apache License, Version 2.0 (the "License");
5# you may not use this file except in compliance with the License.
6# You may obtain a copy of the License at
7#
8#     http://www.apache.org/licenses/LICENSE-2.0
9#
10# Unless required by applicable law or agreed to in writing, software
11# distributed under the License is distributed on an "AS IS" BASIS,
12# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13# See the License for the specific language governing permissions and
14# limitations under the License.
15
16import tarfile
17import argparse
18import os
19import subprocess
20import sys
21import shutil
22
23
24def untar_file(tar_file_path, extract_path):
25    try:
26        tar_cmd = ['tar', '-zxf', tar_file_path, '-C', extract_path]
27        subprocess.run(tar_cmd, check=True)
28    except Exception as e:
29        print("tar error!")
30        return
31
32def move_file(src_path, dst_path):
33    files = [
34        "ohos-configure.patch",
35        "ohos-access-mem-no-sanitize.patch",
36        "ohos-fix-register-index-overflow.patch"
37    ]
38    for file in files:
39        src_file = os.path.join(src_path, file)
40        dst_file = os.path.join(dst_path, file)
41        shutil.copy(src_file, dst_file)
42
43
44def apply_patch(patch_file, target_dir):
45    try:
46        if not os.path.exists(target_dir):
47            return
48        patch_cmd = ['patch', '-p1', "--fuzz=0", "--no-backup-if-mismatch", '-i', patch_file, '-d', target_dir]
49        subprocess.run(patch_cmd, check=True)
50    except Exception as e:
51        print(f"apply_patch error! patch: {patch_file}")
52        return
53
54
55def do_patch(target_dir):
56    patch_file = [
57        "ohos-configure.patch",
58        "ohos-access-mem-no-sanitize.patch",
59        "ohos-fix-register-index-overflow.patch"
60    ]
61
62    for patch in patch_file:
63        apply_patch(patch, target_dir)
64
65
66def main():
67    libunwind_path = argparse.ArgumentParser()
68    libunwind_path.add_argument('--gen-dir', help='generate path of log', required=True)
69    libunwind_path.add_argument('--source-dir', help='generate path of log', required=True)
70    args = libunwind_path.parse_args()
71    tar_file_path = os.path.join(args.source_dir, "libunwind-1.8.1.tar.gz")
72    target_dir = os.path.join(args.gen_dir, "libunwind-1.8.1")
73
74    untar_file(tar_file_path, args.gen_dir)
75    move_file(args.source_dir, target_dir)
76    do_patch(target_dir)
77    return 0
78
79if __name__ == '__main__':
80    sys.exit(main())
81
82