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_REG_H_ 38 #define _MACHINE_REG_H_ 39 40 struct reg { 41 uint64_t ra; /* return address */ 42 uint64_t sp; /* stack pointer */ 43 uint64_t gp; /* global pointer */ 44 uint64_t tp; /* thread pointer */ 45 uint64_t t[7]; /* temporaries */ 46 uint64_t s[12]; /* saved registers */ 47 uint64_t a[8]; /* function arguments */ 48 uint64_t sepc; /* exception program counter */ 49 uint64_t sstatus; /* status register */ 50 }; 51 52 struct fpreg { 53 int dummy; 54 }; 55 56 struct dbreg { 57 int dummy; 58 }; 59 60 #ifdef _KERNEL 61 /* 62 * XXX these interfaces are MI, so they should be declared in a MI place. 63 */ 64 int fill_regs(struct thread *, struct reg *); 65 int set_regs(struct thread *, struct reg *); 66 int fill_fpregs(struct thread *, struct fpreg *); 67 int set_fpregs(struct thread *, struct fpreg *); 68 int fill_dbregs(struct thread *, struct dbreg *); 69 int set_dbregs(struct thread *, struct dbreg *); 70 #endif 71 72 #endif /* !_MACHINE_REG_H_ */ 73