1/* libunwind - a platform-independent unwind library
2   Copyright (C) 2013 The Android Open Source Project
3
4This file is part of libunwind.
5
6Permission is hereby granted, free of charge, to any person obtaining
7a copy of this software and associated documentation files (the
8"Software"), to deal in the Software without restriction, including
9without limitation the rights to use, copy, modify, merge, publish,
10distribute, sublicense, and/or sell copies of the Software, and to
11permit persons to whom the Software is furnished to do so, subject to
12the following conditions:
13
14The above copyright notice and this permission notice shall be
15included in all copies or substantial portions of the Software.
16
17THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
20NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
21LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
22OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
23WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.  */
24
25#ifndef map_info_h
26#define map_info_h
27
28/* Must not conflict with PROT_{NONE,READ,WRITE}. */
29#define MAP_FLAGS_DEVICE_MEM  0x8000
30
31struct map_info
32  {
33    uintptr_t start;
34    uintptr_t end;
35    uintptr_t offset;
36    int flags;
37    char *path;
38
39    lock_var (ei_lock);
40    struct elf_image ei;
41
42    struct map_info *next;
43  };
44
45extern struct mempool map_pool;
46extern struct map_info *local_map_list;
47
48void map_local_init (void);
49
50int map_local_is_readable (unw_word_t);
51
52int map_local_is_writable (unw_word_t);
53
54char *map_local_get_image_name (unw_word_t);
55
56struct map_info *map_alloc_info (void);
57
58void map_free_info (struct map_info *);
59
60struct map_info *map_find_from_addr (struct map_info *, unw_word_t);
61
62struct map_info *map_create_list (pid_t);
63
64void map_destroy_list (struct map_info *);
65
66#endif /* map_info_h */
67