[thirdparty/glibc.git] / sysdeps / unix / sysv / linux / x86 / bits / mman.h

/* Definitions for POSIX memory map interface.  Linux/x86_64 version.
   Copyright (C) 2001-2024 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, see
   <https://www.gnu.org/licenses/>.  */

#ifndef _SYS_MMAN_H
# error "Never use <bits/mman.h> directly; include <sys/mman.h> instead."
#endif

/* The following definitions basically come from the kernel headers.
   But the kernel header is not namespace clean.  */

/* Other flags.  */
#define MAP_32BIT	0x40		/* Only give out 32-bit addresses.  */
#define MAP_ABOVE4G	0x80		/* Only map above 4GB.  */

#ifdef __USE_MISC
/* Set up a restore token in the newly allocated shadow stack */
# define SHADOW_STACK_SET_TOKEN 0x1
#endif

#include <bits/mman-map-flags-generic.h>

/* Include generic Linux declarations.  */
#include <bits/mman-linux.h>
Commit	Line	Data
c9cf6dde	1	/* Definitions for POSIX memory map interface. Linux/x86_64 version.
dff8da6b	2	Copyright (C) 2001-2024 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	16	License along with the GNU C Library; if not, see
5a82c748	17	<https://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. */
954b8f38	27	#define MAP_32BIT 0x40 /* Only give out 32-bit addresses. */
cb8c78b2	28	#define MAP_ABOVE4G 0x80 /* Only map above 4GB. */
c9cf6dde	29
edb5e0c8 L	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
61d8b5fe	35	#include <bits/mman-map-flags-generic.h>
c9cf6dde	36
890b58d3 AJ	37	/* Include generic Linux declarations. */
890b58d3 AJ	38	#include <bits/mman-linux.h>