unistd.h

 1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
 2#ifndef _UAPI_ASM_X86_UNISTD_H
 3#define _UAPI_ASM_X86_UNISTD_H
 4
 5/*
 6 * x32 syscall flag bit.  Some user programs expect syscall NR macros
 7 * and __X32_SYSCALL_BIT to have type int, even though syscall numbers
 8 * are, for practical purposes, unsigned long.
 9 *
10 * Fortunately, expressions like (nr & ~__X32_SYSCALL_BIT) do the right
11 * thing regardless.
12 */
13#define __X32_SYSCALL_BIT	0x40000000
14
15#ifndef __KERNEL__
16# ifdef __i386__
17#  include <asm/unistd_32.h>
18# elif defined(__ILP32__)
19#  include <asm/unistd_x32.h>
20# else
21#  include <asm/unistd_64.h>
22# endif
23#endif
24
25#endif /* _UAPI_ASM_X86_UNISTD_H */