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_SETJMP_H_ 38 #define _MACHINE_SETJMP_H_ 39 40 #include <sys/cdefs.h> 41 42 #define _JBLEN 63 /* sp, ra, [f]s0-11, magic val, sigmask */ 43 #define _JB_SIGMASK 21 44 45 #ifdef __ASSEMBLER__ 46 #define _JB_MAGIC__SETJMP 0xbe87fd8a2910af00 47 #define _JB_MAGIC_SETJMP 0xbe87fd8a2910af01 48 #endif /* !__ASSEMBLER__ */ 49 50 #ifndef __ASSEMBLER__ 51 /* 52 * jmp_buf and sigjmp_buf are encapsulated in different structs to force 53 * compile-time diagnostics for mismatches. The structs are the same 54 * internally to avoid some run-time errors for mismatches. 55 */ 56 #if __BSD_VISIBLE || __POSIX_VISIBLE || __XSI_VISIBLE 57 typedef struct _sigjmp_buf { long _sjb[_JBLEN + 1] __aligned(16); } sigjmp_buf[1]; 58 #endif 59 60 typedef struct _jmp_buf { long _jb[_JBLEN + 1] __aligned(16); } jmp_buf[1]; 61 #endif /* __ASSEMBLER__ */ 62 63 #endif /* !_MACHINE_SETJMP_H_ */ 64