4.3BSD-UWisc/include/vax/frame.h

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/*
 * Copyright (c) 1982, 1986 Regents of the University of California.
 * All rights reserved.  The Berkeley software License Agreement
 * specifies the terms and conditions for redistribution.
 *
 *	@(#)frame.h	7.1 (Berkeley) 6/5/86
 */
/*
 * RCS Info	
 *	$Header: frame.h,v 3.1 86/10/22 13:52:25 tadl Exp $
 *	$Locker:  $
 */

/*
 * Definition of the vax calls/callg frame.
 */
struct frame {
	int	fr_handler;
	u_int	fr_psw:16,		/* saved psw */
		fr_mask:12,		/* register save mask */
		:1,
		fr_s:1,			/* call was a calls, not callg */
		fr_spa:2;		/* stack pointer alignment */
	int	fr_savap;		/* saved arg pointer */
	int	fr_savfp;		/* saved frame pointer */
	int	fr_savpc;		/* saved program counter */
};