1 /*- 2 * Copyright (c) 2015 Ruslan Bukin <br@bsdpad.com> 3 * All rights reserved. 4 * 5 * Portions of this software were developed by SRI International and the 6 * University of Cambridge Computer Laboratory under DARPA/AFRL contract 7 * FA8750-10-C-0237 ("CTSRD"), as part of the DARPA CRASH research programme. 8 * 9 * Portions of this software were developed by the University of Cambridge 10 * Computer Laboratory as part of the CTSRD Project, with support from the 11 * UK Higher Education Innovation Fund (HEIF). 12 * 13 * Redistribution and use in source and binary forms, with or without 14 * modification, are permitted provided that the following conditions 15 * are met: 16 * 1. Redistributions of source code must retain the above copyright 17 * notice, this list of conditions and the following disclaimer. 18 * 2. Redistributions in binary form must reproduce the above copyright 19 * notice, this list of conditions and the following disclaimer in the 20 * documentation and/or other materials provided with the distribution. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 * 34 * $FreeBSD$ 35 */ 36 37 #ifndef _MACHINE_FRAME_H_ 38 #define _MACHINE_FRAME_H_ 39 40 #ifndef LOCORE 41 42 #include <sys/signal.h> 43 #include <sys/ucontext.h> 44 45 /* 46 * NOTE: keep this structure in sync with struct reg and struct mcontext. 47 */ 48 struct trapframe { 49 uint64_t tf_ra; 50 uint64_t tf_sp; 51 uint64_t tf_gp; 52 uint64_t tf_tp; 53 uint64_t tf_t[7]; 54 uint64_t tf_s[12]; 55 uint64_t tf_a[8]; 56 uint64_t tf_sepc; 57 uint64_t tf_sstatus; 58 uint64_t tf_sbadaddr; 59 uint64_t tf_scause; 60 }; 61 62 struct riscv_frame { 63 struct riscv_frame *f_frame; 64 u_long f_retaddr; 65 }; 66 67 /* 68 * Signal frame. Pushed onto user stack before calling sigcode. 69 */ 70 struct sigframe { 71 siginfo_t sf_si; /* actual saved siginfo */ 72 ucontext_t sf_uc; /* actual saved ucontext */ 73 }; 74 75 #endif /* !LOCORE */ 76 77 /* Definitions for syscalls */ 78 #define NARGREG 8 /* 8 args in regs */ 79 80 #endif /* !_MACHINE_FRAME_H_ */ 81