|	.data|	.asciz	"@(#)setjmp.s 1.1 92/07/30 Copyr 1984 Sun Micro"	.even	.text|	Copyright (c) 1984 by Sun Microsystems, Inc.#include <machine/asm_linkage.h>| Longjmp and setjmp implement non-local gotos| using state vectors of type label_t (13 longs).| Registers saved are the PC, d2-d7, and a2-a7.SAVREGS = 0xFCFC	ENTRY(setjmp)	movl	sp@(4),a1		| get label_t address	moveml	#SAVREGS,a1@(4)		| save data/address regs	movl	sp@,a1@			| save PC of caller	clrl	d0			| return zero	rts	ENTRY(longjmp)	movl	sp@(4),a1		| get label_t address	moveml	a1@(4),#SAVREGS		| restore data/address regs| Note: we just changed stacks	movl	a1@,sp@			| restore PC	movl	#1,d0			| return one	rts