/usr/web/sources/nix/nix/sys/src/libc/68020/setjmp.s

Plan 9 from Bell Labs’s /usr/web/sources/nix/nix/sys/src/libc/68020/setjmp.s


TEXT	setjmp(SB), 1, $0
	MOVL	b+0(FP), A0
	MOVL	A7, (A0)+
	MOVL	(A7), (A0)
	CLRL	R0
	RTS

TEXT	longjmp(SB), 1, $0
	MOVL	b+0(FP), A0
	MOVL	r+4(FP), R0
	BNE	ok		/* ansi: "longjmp(0) => longjmp(1)" */
	MOVL	$1, R0		/* bless their pointed heads */
ok:	MOVL	(A0)+, A7
	MOVL	(A0), (A7)
	RTS

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