/*  * This file is part of the UCB release of Plan 9. It is subject to the license * terms in the LICENSE file found in the top-level directory of this * distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No * part of the UCB release of Plan 9, including this file, may be copied, * modified, propagated, or distributed except according to the terms contained * in the LICENSE file. */ #include <u.h>#include <libc.h>#include <ureg.h> int	__noterestore(void); voidnotejmp(void *vr, jmp_buf j, int ret){	struct Ureg *r = vr; 	/*	 * song and dance to get around the kernel smashing r3 in noted	 */	r->r4 = ret;	if(ret == 0)		r->r4 = 1;	r->r5 = j[JMPBUFPC] - JMPBUFDPC;	r->pc = (ulong)__noterestore;	r->sp = j[JMPBUFSP];	noted(NCONT);}