1 /*
2  * include/asm-generic/seccomp.h
3  *
4  * Copyright (C) 2014 Linaro Limited
5  * Author: AKASHI Takahiro <takahiro.akashi@linaro.org>
6  *
7  * This program is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License version 2 as
9  * published by the Free Software Foundation.
10  */
11 #ifndef _ASM_GENERIC_SECCOMP_H
12 #define _ASM_GENERIC_SECCOMP_H
13 
14 #include <linux/unistd.h>
15 
16 #if defined(CONFIG_COMPAT) && !defined(__NR_seccomp_read_32)
17 #define __NR_seccomp_read_32		__NR_read
18 #define __NR_seccomp_write_32		__NR_write
19 #define __NR_seccomp_exit_32		__NR_exit
20 #ifndef __NR_seccomp_sigreturn_32
21 #define __NR_seccomp_sigreturn_32	__NR_rt_sigreturn
22 #endif
23 #endif /* CONFIG_COMPAT && ! already defined */
24 
25 #define __NR_seccomp_read		__NR_read
26 #define __NR_seccomp_write		__NR_write
27 #define __NR_seccomp_exit		__NR_exit
28 #ifndef __NR_seccomp_sigreturn
29 #define __NR_seccomp_sigreturn		__NR_rt_sigreturn
30 #endif
31 
32 #ifdef CONFIG_COMPAT
33 #ifndef get_compat_mode1_syscalls
get_compat_mode1_syscalls(void)34 static inline const int *get_compat_mode1_syscalls(void)
35 {
36 	static const int mode1_syscalls_32[] = {
37 		__NR_seccomp_read_32, __NR_seccomp_write_32,
38 		__NR_seccomp_exit_32, __NR_seccomp_sigreturn_32,
39 		0, /* null terminated */
40 	};
41 	return mode1_syscalls_32;
42 }
43 #endif
44 #endif /* CONFIG_COMPAT */
45 
46 #endif /* _ASM_GENERIC_SECCOMP_H */
47