1 /* $NetBSD: ucontext.h,v 1.8 2019/06/30 14:37:33 christos Exp $ */ 2 3 /*- 4 * Copyright (c) 1999, 2003 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Klaus Klein, and by Jason R. Thorpe. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #ifndef _COMPAT_SYS_UCONTEXT_H_ 33 #define _COMPAT_SYS_UCONTEXT_H_ 34 35 #include <compat/sys/sigtypes.h> 36 37 #ifdef _KERNEL 38 39 typedef struct __ucontext32 ucontext32_t; 40 41 struct __ucontext32 { 42 unsigned int uc_flags; /* properties */ 43 uint32_t uc_link; /* context to resume */ 44 sigset_t uc_sigmask; /* signals blocked in this context */ 45 stack32_t uc_stack; /* the stack used by this context */ 46 mcontext32_t uc_mcontext; /* machine state */ 47 #if defined(_UC_MACHINE32_PAD) 48 int __uc_pad[_UC_MACHINE32_PAD]; 49 #endif 50 }; 51 52 #ifdef __UCONTEXT32_SIZE 53 __CTASSERT(sizeof(ucontext32_t) == __UCONTEXT32_SIZE); 54 #endif 55 56 57 struct lwp; 58 void getucontext32(struct lwp *, ucontext32_t *); 59 int setucontext32(struct lwp *, const ucontext32_t *); 60 int cpu_mcontext32_validate(struct lwp *, const mcontext32_t *); 61 void cpu_getmcontext32(struct lwp *, mcontext32_t *, unsigned int *); 62 int cpu_setmcontext32(struct lwp *, const mcontext32_t *, unsigned int); 63 64 #endif /* _KERNEL */ 65 66 #endif /* !_COMPAT_SYS_UCONTEXT_H_ */ 67