arch/parisc/kernel/sys_parisc32.c

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