1 /* $OpenBSD: reg.h,v 1.2 2021/05/12 01:20:52 jsg Exp $ */ 2 3 /*- 4 * Copyright (c) 2019 Brian Bamsch <bbamsch@google.com> 5 * Copyright (c) 2015-2016 Ruslan Bukin <br@bsdpad.com> 6 * All rights reserved. 7 * 8 * Portions of this software were developed by SRI International and the 9 * University of Cambridge Computer Laboratory under DARPA/AFRL contract 10 * FA8750-10-C-0237 ("CTSRD"), as part of the DARPA CRASH research programme. 11 * 12 * Portions of this software were developed by the University of Cambridge 13 * Computer Laboratory as part of the CTSRD Project, with support from the 14 * UK Higher Education Innovation Fund (HEIF). 15 * 16 * Redistribution and use in source and binary forms, with or without 17 * modification, are permitted provided that the following conditions 18 * are met: 19 * 1. Redistributions of source code must retain the above copyright 20 * notice, this list of conditions and the following disclaimer. 21 * 2. Redistributions in binary form must reproduce the above copyright 22 * notice, this list of conditions and the following disclaimer in the 23 * documentation and/or other materials provided with the distribution. 24 * 25 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 28 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35 * SUCH DAMAGE. 36 * 37 * $FreeBSD$ 38 */ 39 40 #ifndef _MACHINE_REG_H_ 41 #define _MACHINE_REG_H_ 42 43 struct reg { 44 uint64_t r_ra; /* return address */ 45 uint64_t r_sp; /* stack pointer */ 46 uint64_t r_gp; /* global pointer */ 47 uint64_t r_tp; /* thread pointer */ 48 uint64_t r_t[7]; /* temporary registers */ 49 uint64_t r_s[12]; /* saved registers */ 50 uint64_t r_a[8]; /* argument registers */ 51 uint64_t r_sepc; /* exception program counter */ 52 uint64_t r_sstatus; /* status register */ 53 }; 54 55 struct fpreg { 56 uint64_t fp_f[32]; /* floating-point registers */ 57 uint64_t fp_fcsr; /* floating-point control register */ 58 }; 59 60 #endif /* !_MACHINE_REG_H_ */ 61