1 /* $OpenBSD: frame.h,v 1.5 2001/09/01 15:49:05 drahn Exp $ */ 2 3 /* 4 * Copyright (C) 1995, 1996 Wolfgang Solfrank. 5 * Copyright (C) 1995, 1996 TooLs GmbH. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by TooLs GmbH. 19 * 4. The name of TooLs GmbH may not be used to endorse or promote products 20 * derived from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 27 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 28 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 29 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 30 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 31 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 #ifndef _POWERPC_FRAME_H_ 34 #define _POWERPC_FRAME_H_ 35 36 #include <machine/types.h> 37 38 /* 39 * This is to ensure alignment of the stackpointer 40 */ 41 #define FRAMELEN roundup(sizeof(struct trapframe) + 8, 16) 42 #define trapframe(p) ((struct trapframe *)((void *)(p)->p_addr + USPACE - FRAMELEN + 8)) 43 44 struct switchframe { 45 register_t sp; 46 int fill; 47 int user_sr; 48 int cr; 49 register_t fixreg2; 50 register_t fixreg[19]; /* R13-R31 */ 51 }; 52 53 struct clockframe { 54 register_t srr1; 55 register_t srr0; 56 int pri; 57 int depth; 58 }; 59 60 /* 61 * Call frame for PowerPC used during fork. 62 */ 63 struct callframe { 64 register_t sp; 65 register_t lr; 66 register_t r30; 67 register_t r31; 68 }; 69 70 struct sigframe { 71 int sf_signum; 72 siginfo_t *sf_sip; 73 struct sigcontext sf_sc; 74 siginfo_t sf_si; 75 }; 76 #endif /* _POWERPC_FRAME_H_ */ 77