1 /* $OpenBSD: frame.h,v 1.7 2006/01/06 18:53:05 millert 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 /* 37 * This is to ensure alignment of the stackpointer 38 */ 39 #define FRAMELEN roundup(sizeof(struct trapframe) + 8, 16) 40 #define trapframe(p) ((struct trapframe *)((void *)(p)->p_addr + USPACE - FRAMELEN + 8)) 41 42 struct switchframe { 43 register_t sp; 44 int fill; 45 int user_sr; 46 int cr; 47 register_t fixreg2; 48 register_t fixreg[19]; /* R13-R31 */ 49 }; 50 51 struct clockframe { 52 register_t srr1; 53 register_t srr0; 54 int pri; 55 int depth; 56 }; 57 58 /* 59 * Call frame for PowerPC used during fork. 60 */ 61 struct callframe { 62 register_t sp; 63 register_t lr; 64 register_t r30; 65 register_t r31; 66 }; 67 68 struct sigframe { 69 int sf_signum; 70 siginfo_t *sf_sip; 71 struct sigcontext sf_sc; 72 siginfo_t sf_si; 73 }; 74 75 struct fpsig { 76 double f[14]; /* f0 - f13 are volatile */ 77 double fpscr; 78 }; 79 #endif /* _POWERPC_FRAME_H_ */ 80