/* $NetBSD: frame.h,v 1.5 2002/10/19 00:10:54 bjh21 Exp $ */ /*- * SPDX-License-Identifier: BSD-4-Clause * * Copyright (c) 1994-1997 Mark Brinicombe. * Copyright (c) 1994 Brini. * All rights reserved. * * This code is derived from software written for Brini by Mark Brinicombe * * 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. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Brini. * 4. The name of the company nor the name of the author may be used to * endorse or promote products derived from this software without specific * prior written permission. * * THIS SOFTWARE IS PROVIDED BY BRINI ``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 BRINI 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. * * RiscBSD kernel project * * frame.h * * Stack frames structures * * Created : 30/09/94 * */ #ifndef _MACHINE_FRAME_H_ #define _MACHINE_FRAME_H_ #ifndef _LOCORE #include #include /* * Trap frame. Pushed onto the kernel stack on a trap (synchronous exception). */ struct trapframe { register_t tf_spsr; /* Zero on arm26 */ register_t tf_r0; register_t tf_r1; register_t tf_r2; register_t tf_r3; register_t tf_r4; register_t tf_r5; register_t tf_r6; register_t tf_r7; register_t tf_r8; register_t tf_r9; register_t tf_r10; register_t tf_r11; register_t tf_r12; register_t tf_usr_sp; register_t tf_usr_lr; register_t tf_svc_sp; /* Not used on arm26 */ register_t tf_svc_lr; /* Not used on arm26 */ register_t tf_pc; register_t tf_pad; }; /* Register numbers */ #define tf_r13 tf_usr_sp #define tf_r14 tf_usr_lr #define tf_r15 tf_pc /* * Signal frame. Pushed onto user stack before calling sigcode. * The pointers are used in the trampoline code to locate the ucontext. */ struct sigframe { siginfo_t sf_si; /* actual saved siginfo */ ucontext_t sf_uc; /* actual saved ucontext */ mcontext_vfp_t sf_vfp; /* actual saved VFP context */ }; /* * Switch frame. * * It is important this is a multiple of 8 bytes so the stack is correctly * aligned when we create new threads. */ struct switchframe { register_t sf_r4; register_t sf_r5; register_t sf_r6; register_t sf_r7; register_t sf_r8; register_t sf_r9; register_t sf_r10; register_t sf_r11; register_t sf_r12; register_t sf_sp; register_t sf_lr; register_t sf_pc; register_t sf_tpidrurw; register_t sf_spare0; }; /* * Stack frame. Used during stack traces (db_trace.c) */ struct frame { u_int fr_fp; u_int fr_sp; u_int fr_lr; u_int fr_pc; }; #endif /* !_LOCORE */ #endif /* _MACHINE_FRAME_H_ */