1 /*
2  * Copyright (C) 2017 The Android Open Source Project
3  *
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  */
16 
17 #ifndef BERBERIS_BASE_MAPPED_FILE_FRAGMENT_H_
18 #define BERBERIS_BASE_MAPPED_FILE_FRAGMENT_H_
19 
20 #include <unistd.h>
21 
22 #include "berberis/base/macros.h"
23 
24 class MappedFileFragment {
25  public:
26   MappedFileFragment();
27   ~MappedFileFragment();
28 
29   bool Map(int fd, off64_t base_offset, size_t elf_offset, size_t size);
30 
data()31   void* data() const { return data_; }
size()32   size_t size() const { return size_; }
33 
34  private:
35   void* map_start_;
36   size_t map_size_;
37   void* data_;
38   size_t size_;
39 
40   DISALLOW_COPY_AND_ASSIGN(MappedFileFragment);
41 };
42 
43 #endif  // BERBERIS_BASE_MAPPED_FILE_FRAGMENT_H_
44