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mman.h
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1 /*
2 * Copyright (C) 2012-2018, Samsung Electronics Co., Ltd.
3 *
4 * mmap definitions
5 */
6
7 #pragma once
8
9 /* POSIX mapping flags */
10 #define MAP_ANONYMOUS (1 << 0)
11 #define MAP_POPULATE (1 << 1)
12 #define MAP_FIXED (1 << 2)
13 #define MAP_PRIVATE (1 << 3)
14 #define MAP_SHARED (1 << 4)
15 #define MAP_STACK (1 << 5)
16 #define MAP_GROWSDOWN (1 << 6)
17
18 /* POSIX protection flags */
19 #define PROT_NONE 0
20 #define PROT_READ 1
21 #define PROT_WRITE 2
22 #define PROT_EXEC 4
23
24 /* Offset shift */
25 #define PGOFF_SHIFT 12
26