1/* Definitions for POSIX memory map interface.  Linux/x86_64 version.
 2   Copyright (C) 2001-2025 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/* Other flags.  */
27#define MAP_32BIT	0x40		/* Only give out 32-bit addresses.  */
28#define MAP_ABOVE4G	0x80		/* Only map above 4GB.  */
29
30#ifdef __USE_MISC
31/* Set up a restore token in the newly allocated shadow stack */
32# define SHADOW_STACK_SET_TOKEN 0x1
33#endif
34
35#include <bits/mman-map-flags-generic.h>
36
37/* Include generic Linux declarations.  */
38#include <bits/mman-linux.h>