1/* Definitions for POSIX memory map interface.  Linux/PowerPC version.
 2   Copyright (C) 1997-2025 Free Software Foundation, Inc.
 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
16   License along with the GNU C Library; if not, see
17   <https://www.gnu.org/licenses/>.  */
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
26#define PROT_SAO	0x10		/* Strong Access Ordering.  */
27
28/* These are Linux-specific.  */
29#define MAP_GROWSDOWN	0x00100		/* Stack-like segment.  */
30#define MAP_DENYWRITE	0x00800		/* ETXTBSY */
31#define MAP_EXECUTABLE	0x01000		/* Mark it as an executable.  */
32#define MAP_LOCKED	0x00080		/* Lock the mapping.  */
33#define MAP_NORESERVE	0x00040		/* Don't check for reservations.  */
34#define MAP_POPULATE	0x08000		/* Populate (prefault) pagetables.  */
35#define MAP_NONBLOCK	0x10000		/* Do not block on IO.  */
36#define MAP_STACK	0x20000		/* Allocation is for a stack.  */
37#define MAP_HUGETLB	0x40000		/* Create huge page mapping.  */
38#define MAP_SYNC	0x80000		/* Perform synchronous page
39					   faults for the mapping.  */
40#define MAP_FIXED_NOREPLACE 0x100000	/* MAP_FIXED but do not unmap
41					   underlying mapping.  */
42
43/* Flags for `mlockall'.  */
44#define MCL_CURRENT	0x2000		/* Lock all currently mapped pages.  */
45#define MCL_FUTURE	0x4000		/* Lock all additions to address
46					   space.  */
47#define MCL_ONFAULT	0x8000		/* Lock all pages that are
48					   faulted in.  */
49
50/* Include generic Linux declarations.  */
51#include <bits/mman-linux.h>