* Copyright (c) 1983 Regents of the University of California.
* All rights reserved. The Berkeley software License Agreement
* specifies the terms and conditions for redistribution.
_sccsid:.asciz "@(#)syscall.s 5.2 (Berkeley) %G%"
movl 4(ap),r0 # syscall number
subl3 $1,(ap)+,(ap) # one fewer arguments