arch/parisc/kernel/sys_parisc32.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * sys_parisc32.c: Conversion between 32bit and 64bit native syscalls.
   4  *
   5  * Copyright (C) 2000-2001 Hewlett Packard Company
   6  * Copyright (C) 2000 John Marvin
   7  * Copyright (C) 2001 Matthew Wilcox
   8  * Copyright (C) 2014 Helge Deller <deller@gmx.de>
   9  *
  10  * These routines maintain argument size conversion between 32bit and 64bit
  11  * environment. Based heavily on sys_ia32.c and sys_sparc32.c.
  12  */
  13
  14 #include <linux/compat.h>
  15 #include <linux/kernel.h>
  16 #include <linux/syscalls.h>
  17
  18
  19 asmlinkage long sys32_unimplemented(int r26, int r25, int r24, int r23,
  20         int r22, int r21, int r20)
  21 {
  22     printk(KERN_ERR "%s(%d): Unimplemented 32 on 64 syscall #%d!\n",
  23         current->comm, current->pid, r20);
  24     return -ENOSYS;
  25 }
  26
  27 asmlinkage long sys32_fanotify_mark(compat_int_t fanotify_fd, compat_uint_t flags,
  28         compat_uint_t mask0, compat_uint_t mask1, compat_int_t dfd,
  29         const char  __user * pathname)
  30 {
  31         return sys_fanotify_mark(fanotify_fd, flags,
  32                         ((__u64)mask1 << 32) | mask0,
  33                          dfd, pathname);
  34 }