1 /* $OpenBSD: frame.h,v 1.3 2003/06/02 23:27:54 millert Exp $ */ 2 /* $NetBSD: frame.h,v 1.2 1994/11/20 20:53:07 deraadt Exp $ */ 3 4 /* 5 * Copyright (c) 1992, 1993 6 * The Regents of the University of California. All rights reserved. 7 * 8 * This software was developed by the Computer Systems Engineering group 9 * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and 10 * contributed to Berkeley. 11 * 12 * All advertising materials mentioning features or use of this software 13 * must display the following acknowledgement: 14 * This product includes software developed by the University of 15 * California, Lawrence Berkeley Laboratory. 16 * 17 * Redistribution and use in source and binary forms, with or without 18 * modification, are permitted provided that the following conditions 19 * are met: 20 * 1. Redistributions of source code must retain the above copyright 21 * notice, this list of conditions and the following disclaimer. 22 * 2. Redistributions in binary form must reproduce the above copyright 23 * notice, this list of conditions and the following disclaimer in the 24 * documentation and/or other materials provided with the distribution. 25 * 3. Neither the name of the University nor the names of its contributors 26 * may be used to endorse or promote products derived from this software 27 * without specific prior written permission. 28 * 29 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 30 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 31 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 32 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 33 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 34 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 35 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 36 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 37 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 38 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 39 * SUCH DAMAGE. 40 * 41 * @(#)frame.h 8.1 (Berkeley) 6/11/93 42 */ 43 44 /* 45 * Sparc stack frame format. 46 * 47 * Note that the contents of each stack frame may be held only in 48 * machine register windows. In order to get an accurate picture 49 * of the frame, you must first force the kernel to write any such 50 * windows to the stack. 51 */ 52 struct frame { 53 int fr_local[8]; /* space to save locals (%l0..%l7) */ 54 int fr_arg[6]; /* space to save arguments (%i0..%i5) */ 55 struct frame *fr_fp; /* space to save frame pointer (%i6) */ 56 int fr_pc; /* space to save return pc (%i7) */ 57 /* 58 * SunOS reserves another 8 words here; this is pointless 59 * but we do it for compatibility. 60 */ 61 int fr_xxx; /* `structure return pointer' (unused) */ 62 int fr_argd[6]; /* `arg dump area' (lunacy) */ 63 int fr_argx[1]; /* arg extension (args 7..n; variable size) */ 64 }; 65