map_info.h revision 501edd29b823ce1301d2effdd3a9e4b6e2b20b76 
1/*
2 * Copyright (C) 2011 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/* Process memory map. */
18
19#ifndef _CORKSCREW_MAP_INFO_H
20#define _CORKSCREW_MAP_INFO_H
21
22#include <sys/types.h>
23#include <stdbool.h>
24
25#ifdef __cplusplus
26extern "C" {
27#endif
28
29typedef struct map_info {
30    struct map_info* next;
31    uintptr_t start;
32    uintptr_t end;
33    bool is_executable;
34    void* data; // arbitrary data associated with the map by the user, initially NULL
35    char name[];
36} map_info_t;
37
38/* Loads memory map from /proc/<tid>/maps. */
39map_info_t* load_map_info_list(pid_t tid);
40
41/* Frees memory map. */
42void free_map_info_list(map_info_t* milist);
43
44/* Finds the memory map that contains the specified address. */
45const map_info_t* find_map_info(const map_info_t* milist, uintptr_t addr);
46
47/* Gets the memory map for this process.  (result is cached) */
48const map_info_t* my_map_info_list();
49
50#ifdef __cplusplus
51}
52#endif
53
54#endif // _CORKSCREW_MAP_INFO_H
55