include/asm-generic/seccomp.h

0001 /* SPDX-License-Identifier: GPL-2.0-only */
0002 /*
0003  * include/asm-generic/seccomp.h
0004  *
0005  * Copyright (C) 2014 Linaro Limited
0006  * Author: AKASHI Takahiro <takahiro.akashi@linaro.org>
0007  */
0008 #ifndef _ASM_GENERIC_SECCOMP_H
0009 #define _ASM_GENERIC_SECCOMP_H
0010
0011 #include <linux/unistd.h>
0012
0013 #if defined(CONFIG_COMPAT) && !defined(__NR_seccomp_read_32)
0014 #define __NR_seccomp_read_32        __NR_read
0015 #define __NR_seccomp_write_32       __NR_write
0016 #define __NR_seccomp_exit_32        __NR_exit
0017 #ifndef __NR_seccomp_sigreturn_32
0018 #define __NR_seccomp_sigreturn_32   __NR_rt_sigreturn
0019 #endif
0020 #endif /* CONFIG_COMPAT && ! already defined */
0021
0022 #define __NR_seccomp_read       __NR_read
0023 #define __NR_seccomp_write      __NR_write
0024 #define __NR_seccomp_exit       __NR_exit
0025 #ifndef __NR_seccomp_sigreturn
0026 #define __NR_seccomp_sigreturn      __NR_rt_sigreturn
0027 #endif
0028
0029 #ifdef CONFIG_COMPAT
0030 #ifndef get_compat_mode1_syscalls
0031 static inline const int *get_compat_mode1_syscalls(void)
0032 {
0033     static const int mode1_syscalls_32[] = {
0034         __NR_seccomp_read_32, __NR_seccomp_write_32,
0035         __NR_seccomp_exit_32, __NR_seccomp_sigreturn_32,
0036         -1, /* negative terminated */
0037     };
0038     return mode1_syscalls_32;
0039 }
0040 #endif
0041 #endif /* CONFIG_COMPAT */
0042
0043 #endif /* _ASM_GENERIC_SECCOMP_H */