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/* $OpenBSD: frame.h,v 1.3 2003/06/02 23:27:54 millert Exp $ */
/* $NetBSD: frame.h,v 1.2 1994/11/20 20:53:07 deraadt Exp $ */
/*
* Copyright (c) 1992, 1993
* The Regents of the University of California. All rights reserved.
*
* This software was developed by the Computer Systems Engineering group
* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
* contributed to Berkeley.
*
* All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Lawrence Berkeley Laboratory.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)frame.h 8.1 (Berkeley) 6/11/93
*/
/*
* Sparc stack frame format.
*
* Note that the contents of each stack frame may be held only in
* machine register windows. In order to get an accurate picture
* of the frame, you must first force the kernel to write any such
* windows to the stack.
*/
struct frame {
int fr_local[8]; /* space to save locals (%l0..%l7) */
int fr_arg[6]; /* space to save arguments (%i0..%i5) */
struct frame *fr_fp; /* space to save frame pointer (%i6) */
int fr_pc; /* space to save return pc (%i7) */
/*
* SunOS reserves another 8 words here; this is pointless
* but we do it for compatibility.
*/
int fr_xxx; /* `structure return pointer' (unused) */
int fr_argd[6]; /* `arg dump area' (lunacy) */
int fr_argx[1]; /* arg extension (args 7..n; variable size) */
};
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