Home | History | Annotate | Line # | Download | only in include
frame.h revision 1.1 
      1 /*
      2  * Copyright (c) 1992, 1993
      3  *	The Regents of the University of California.  All rights reserved.
      4  *
      5  * This software was developed by the Computer Systems Engineering group
      6  * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
      7  * contributed to Berkeley.
      8  *
      9  * All advertising materials mentioning features or use of this software
     10  * must display the following acknowledgement:
     11  *	This product includes software developed by the University of
     12  *	California, Lawrence Berkeley Laboratory.
     13  *
     14  * Redistribution and use in source and binary forms, with or without
     15  * modification, are permitted provided that the following conditions
     16  * are met:
     17  * 1. Redistributions of source code must retain the above copyright
     18  *    notice, this list of conditions and the following disclaimer.
     19  * 2. Redistributions in binary form must reproduce the above copyright
     20  *    notice, this list of conditions and the following disclaimer in the
     21  *    documentation and/or other materials provided with the distribution.
     22  * 3. All advertising materials mentioning features or use of this software
     23  *    must display the following acknowledgement:
     24  *	This product includes software developed by the University of
     25  *	California, Berkeley and its contributors.
     26  * 4. Neither the name of the University nor the names of its contributors
     27  *    may be used to endorse or promote products derived from this software
     28  *    without specific prior written permission.
     29  *
     30  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     31  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     32  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     33  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     34  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     35  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     36  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     37  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     38  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     39  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     40  * SUCH DAMAGE.
     41  *
     42  *	@(#)frame.h	8.1 (Berkeley) 6/11/93
     43  *
     44  * from: Header: frame.h,v 1.5 92/11/26 02:04:35 torek Exp
     45  * $Id: frame.h,v 1.1 1993/10/02 10:23:11 deraadt Exp $
     46  */
     47 
     48 /*
     49  * Sparc stack frame format.
     50  *
     51  * Note that the contents of each stack frame may be held only in
     52  * machine register windows.  In order to get an accurate picture
     53  * of the frame, you must first force the kernel to write any such
     54  * windows to the stack.
     55  */
     56 struct frame {
     57 	int	fr_local[8];	/* space to save locals (%l0..%l7) */
     58 	int	fr_arg[6];	/* space to save arguments (%i0..%i5) */
     59 	struct	frame *fr_fp;	/* space to save frame pointer (%i6) */
     60 	int	fr_pc;		/* space to save return pc (%i7) */
     61 	/*
     62 	 * SunOS reserves another 8 words here; this is pointless
     63 	 * but we do it for compatibility.
     64 	 */
     65 	int	fr_xxx;		/* `structure return pointer' (unused) */
     66 	int	fr_argd[6];	/* `arg dump area' (lunacy) */
     67 	int	fr_argx[1];	/* arg extension (args 7..n; variable size) */
     68 };
     69