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_UCONTEXT_H_ 38 #define _MACHINE_UCONTEXT_H_ 39 40 struct gpregs { 41 __register_t gp_ra; 42 __register_t gp_sp; 43 __register_t gp_gp; 44 __register_t gp_tp; 45 __register_t gp_t[7]; 46 __register_t gp_s[12]; 47 __register_t gp_a[8]; 48 __register_t gp_sepc; 49 __register_t gp_sstatus; 50 }; 51 52 struct fpregs { 53 __uint64_t fp_x[32][2]; 54 __uint64_t fp_fcsr; 55 int fp_flags; 56 int pad; 57 }; 58 59 struct __mcontext { 60 struct gpregs mc_gpregs; 61 struct fpregs mc_fpregs; 62 int mc_flags; 63 #define _MC_FP_VALID 0x1 /* Set when mc_fpregs has valid data */ 64 int mc_pad; 65 __uint64_t mc_spare[8]; /* Space for expansion */ 66 }; 67 68 typedef struct __mcontext mcontext_t; 69 70 #endif /* !_MACHINE_UCONTEXT_H_ */ 71