1129198Scognet/* $NetBSD: frame.h,v 1.5 2002/10/19 00:10:54 bjh21 Exp $ */ 2129198Scognet 3139735Simp/*- 4129198Scognet * Copyright (c) 1994-1997 Mark Brinicombe. 5129198Scognet * Copyright (c) 1994 Brini. 6129198Scognet * All rights reserved. 7129198Scognet * 8129198Scognet * This code is derived from software written for Brini by Mark Brinicombe 9129198Scognet * 10129198Scognet * Redistribution and use in source and binary forms, with or without 11129198Scognet * modification, are permitted provided that the following conditions 12129198Scognet * are met: 13129198Scognet * 1. Redistributions of source code must retain the above copyright 14129198Scognet * notice, this list of conditions and the following disclaimer. 15129198Scognet * 2. Redistributions in binary form must reproduce the above copyright 16129198Scognet * notice, this list of conditions and the following disclaimer in the 17129198Scognet * documentation and/or other materials provided with the distribution. 18129198Scognet * 3. All advertising materials mentioning features or use of this software 19129198Scognet * must display the following acknowledgement: 20129198Scognet * This product includes software developed by Brini. 21129198Scognet * 4. The name of the company nor the name of the author may be used to 22129198Scognet * endorse or promote products derived from this software without specific 23129198Scognet * prior written permission. 24129198Scognet * 25129198Scognet * THIS SOFTWARE IS PROVIDED BY BRINI ``AS IS'' AND ANY EXPRESS OR IMPLIED 26129198Scognet * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 27129198Scognet * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 28129198Scognet * IN NO EVENT SHALL BRINI OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 29129198Scognet * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 30129198Scognet * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 31129198Scognet * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 32129198Scognet * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 33129198Scognet * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 34129198Scognet * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35129198Scognet * SUCH DAMAGE. 36129198Scognet * 37129198Scognet * RiscBSD kernel project 38129198Scognet * 39129198Scognet * frame.h 40129198Scognet * 41129198Scognet * Stack frames structures 42129198Scognet * 43129198Scognet * Created : 30/09/94 44129198Scognet * 45129198Scognet * $FreeBSD: stable/11/sys/arm/include/frame.h 317005 2017-04-16 07:33:47Z mmel $ 46129198Scognet * 47129198Scognet */ 48129198Scognet 49129198Scognet#ifndef _MACHINE_FRAME_H_ 50129198Scognet#define _MACHINE_FRAME_H_ 51129198Scognet 52129198Scognet#ifndef _LOCORE 53129198Scognet 54129198Scognet#include <sys/signal.h> 55129198Scognet#include <sys/ucontext.h> 56129198Scognet 57129198Scognet 58129198Scognet/* 59129198Scognet * Trap frame. Pushed onto the kernel stack on a trap (synchronous exception). 60129198Scognet */ 61129198Scognet 62257217Sianstruct trapframe { 63129198Scognet register_t tf_spsr; /* Zero on arm26 */ 64129198Scognet register_t tf_r0; 65253968Sandrew register_t tf_r1; 66129198Scognet register_t tf_r2; 67129198Scognet register_t tf_r3; 68129198Scognet register_t tf_r4; 69129198Scognet register_t tf_r5; 70129198Scognet register_t tf_r6; 71129198Scognet register_t tf_r7; 72129198Scognet register_t tf_r8; 73129198Scognet register_t tf_r9; 74129198Scognet register_t tf_r10; 75129198Scognet register_t tf_r11; 76129198Scognet register_t tf_r12; 77129198Scognet register_t tf_usr_sp; 78129198Scognet register_t tf_usr_lr; 79129198Scognet register_t tf_svc_sp; /* Not used on arm26 */ 80129198Scognet register_t tf_svc_lr; /* Not used on arm26 */ 81253968Sandrew register_t tf_pc; 82253968Sandrew register_t tf_pad; 83257217Sian}; 84129198Scognet 85129198Scognet/* Register numbers */ 86129198Scognet#define tf_r13 tf_usr_sp 87129198Scognet#define tf_r14 tf_usr_lr 88129198Scognet#define tf_r15 tf_pc 89129198Scognet 90129198Scognet/* 91276190Sian * Signal frame. Pushed onto user stack before calling sigcode. 92276190Sian * The pointers are used in the trampoline code to locate the ucontext. 93276190Sian */ 94129198Scognetstruct sigframe { 95276190Sian siginfo_t sf_si; /* actual saved siginfo */ 96129198Scognet ucontext_t sf_uc; /* actual saved ucontext */ 97317005Smmel mcontext_vfp_t sf_vfp; /* actual saved VFP context */ 98129198Scognet}; 99129198Scognet 100129198Scognet 101129198Scognet/* 102247864Sandrew * Switch frame. 103247864Sandrew * 104247864Sandrew * It is important this is a multiple of 8 bytes so the stack is correctly 105247864Sandrew * aligned when we create new threads. 106129198Scognet */ 107276190Sianstruct switchframe 108276190Sian{ 109276190Sian register_t sf_r4; 110276190Sian register_t sf_r5; 111276190Sian register_t sf_r6; 112276190Sian register_t sf_r7; 113276190Sian register_t sf_r8; 114276190Sian register_t sf_r9; 115276190Sian register_t sf_r10; 116276190Sian register_t sf_r11; 117276190Sian register_t sf_r12; 118276190Sian register_t sf_sp; 119276190Sian register_t sf_lr; 120276190Sian register_t sf_pc; 121307136Sed#if __ARM_ARCH >= 6 122307136Sed register_t sf_tpidrurw; 123307136Sed register_t sf_spare0; 124307136Sed#endif 125129198Scognet}; 126236992Simp 127276190Sian 128129198Scognet/* 129129198Scognet * Stack frame. Used during stack traces (db_trace.c) 130129198Scognet */ 131129198Scognetstruct frame { 132129198Scognet u_int fr_fp; 133129198Scognet u_int fr_sp; 134129198Scognet u_int fr_lr; 135129198Scognet u_int fr_pc; 136129198Scognet}; 137129198Scognet 138129198Scognet#endif /* !_LOCORE */ 139129198Scognet 140129198Scognet#endif /* _MACHINE_FRAME_H_ */ 141