arch/parisc/kernel/sys_parisc32.c

// SPDX-License-Identifier: GPL-2.0
/*
 * sys_parisc32.c: Conversion between 32bit and 64bit native syscalls.
 *
 * Copyright (C) 2000-2001 Hewlett Packard Company
 * Copyright (C) 2000 John Marvin
 * Copyright (C) 2001 Matthew Wilcox
 * Copyright (C) 2014 Helge Deller <deller@gmx.de>
 *
 * These routines maintain argument size conversion between 32bit and 64bit
 * environment. Based heavily on sys_ia32.c and sys_sparc32.c.
 */

#include <linux/compat.h>
#include <linux/kernel.h>
#include <linux/syscalls.h>


asmlinkage long sys32_unimplemented(int r26, int r25, int r24, int r23,
	int r22, int r21, int r20)
{
    printk(KERN_ERR "%s(%d): Unimplemented 32 on 64 syscall #%d!\n", 
    	current->comm, current->pid, r20);
    return -ENOSYS;
}

asmlinkage long sys32_fanotify_mark(compat_int_t fanotify_fd, compat_uint_t flags,
	compat_uint_t mask0, compat_uint_t mask1, compat_int_t dfd,
	const char  __user * pathname)
{
	return sys_fanotify_mark(fanotify_fd, flags,
			((__u64)mask1 << 32) | mask0,
			 dfd, pathname);
}