include/asm-generic/seccomp.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * include/asm-generic/seccomp.h
   4  *
   5  * Copyright (C) 2014 Linaro Limited
   6  * Author: AKASHI Takahiro <takahiro.akashi@linaro.org>
   7  */
   8 #ifndef _ASM_GENERIC_SECCOMP_H
   9 #define _ASM_GENERIC_SECCOMP_H
  10
  11 #include <linux/unistd.h>
  12
  13 #if defined(CONFIG_COMPAT) && !defined(__NR_seccomp_read_32)
  14 #define __NR_seccomp_read_32            __NR_read
  15 #define __NR_seccomp_write_32           __NR_write
  16 #define __NR_seccomp_exit_32            __NR_exit
  17 #ifndef __NR_seccomp_sigreturn_32
  18 #define __NR_seccomp_sigreturn_32       __NR_rt_sigreturn
  19 #endif
  20 #endif /* CONFIG_COMPAT && ! already defined */
  21
  22 #define __NR_seccomp_read               __NR_read
  23 #define __NR_seccomp_write              __NR_write
  24 #define __NR_seccomp_exit               __NR_exit
  25 #ifndef __NR_seccomp_sigreturn
  26 #define __NR_seccomp_sigreturn          __NR_rt_sigreturn
  27 #endif
  28
  29 #ifdef CONFIG_COMPAT
  30 #ifndef get_compat_mode1_syscalls
  31 static inline const int *get_compat_mode1_syscalls(void)
  32 {
  33         static const int mode1_syscalls_32[] = {
  34                 __NR_seccomp_read_32, __NR_seccomp_write_32,
  35                 __NR_seccomp_exit_32, __NR_seccomp_sigreturn_32,
  36                 -1, /* negative terminated */
  37         };
  38         return mode1_syscalls_32;
  39 }
  40 #endif
  41 #endif /* CONFIG_COMPAT */
  42
  43 #endif /* _ASM_GENERIC_SECCOMP_H */