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c9cf6dde | 1 | /* Definitions for POSIX memory map interface. Linux/x86_64 version. |
688903eb | 2 | Copyright (C) 2001-2018 Free Software Foundation, Inc. |
c9cf6dde AJ |
3 | This file is part of the GNU C Library. |
4 | ||
5 | The GNU C Library is free software; you can redistribute it and/or | |
6 | modify it under the terms of the GNU Lesser General Public | |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
9 | ||
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | Lesser General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU Lesser General Public | |
59ba27a6 PE |
16 | License along with the GNU C Library; if not, see |
17 | <http://www.gnu.org/licenses/>. */ | |
c9cf6dde AJ |
18 | |
19 | #ifndef _SYS_MMAN_H | |
20 | # error "Never use <bits/mman.h> directly; include <sys/mman.h> instead." | |
21 | #endif | |
22 | ||
23 | /* The following definitions basically come from the kernel headers. | |
24 | But the kernel header is not namespace clean. */ | |
25 | ||
c9cf6dde | 26 | /* Other flags. */ |
c9cf6dde | 27 | #ifdef __USE_MISC |
c9cf6dde AJ |
28 | # define MAP_32BIT 0x40 /* Only give out 32-bit addresses. */ |
29 | #endif | |
30 | ||
31 | /* These are Linux-specific. */ | |
32 | #ifdef __USE_MISC | |
d15a8404 UD |
33 | # define MAP_GROWSDOWN 0x00100 /* Stack-like segment. */ |
34 | # define MAP_DENYWRITE 0x00800 /* ETXTBSY */ | |
35 | # define MAP_EXECUTABLE 0x01000 /* Mark it as an executable. */ | |
36 | # define MAP_LOCKED 0x02000 /* Lock the mapping. */ | |
37 | # define MAP_NORESERVE 0x04000 /* Don't check for reservations. */ | |
38 | # define MAP_POPULATE 0x08000 /* Populate (prefault) pagetables. */ | |
39 | # define MAP_NONBLOCK 0x10000 /* Do not block on IO. */ | |
965805e8 | 40 | # define MAP_STACK 0x20000 /* Allocation is for a stack. */ |
cf7c9078 | 41 | # define MAP_HUGETLB 0x40000 /* Create huge page mapping. */ |
e76def72 JM |
42 | # define MAP_SYNC 0x80000 /* Perform synchronous page |
43 | faults for the mapping. */ | |
c9cf6dde AJ |
44 | #endif |
45 | ||
890b58d3 AJ |
46 | /* Include generic Linux declarations. */ |
47 | #include <bits/mman-linux.h> |