| 1 | /* $NetBSD: ucontext.h,v 1.6 2012/05/21 14:15:19 martin 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 | #if defined(_KERNEL_OPT) |
| 36 | #include "opt_compat_netbsd32.h" |
| 37 | #endif |
| 38 | |
| 39 | #include <compat/sys/sigtypes.h> |
| 40 | |
| 41 | #if defined(COMPAT_NETBSD32) && defined(_KERNEL) |
| 42 | |
| 43 | typedef struct __ucontext32 ucontext32_t; |
| 44 | |
| 45 | struct __ucontext32 { |
| 46 | unsigned int uc_flags; /* properties */ |
| 47 | uint32_t uc_link; /* context to resume */ |
| 48 | sigset_t uc_sigmask; /* signals blocked in this context */ |
| 49 | stack32_t uc_stack; /* the stack used by this context */ |
| 50 | mcontext32_t uc_mcontext; /* machine state */ |
| 51 | #if defined(_UC_MACHINE32_PAD) |
| 52 | int __uc_pad[_UC_MACHINE32_PAD]; |
| 53 | #endif |
| 54 | }; |
| 55 | |
| 56 | #ifdef __UCONTEXT32_SIZE |
| 57 | __CTASSERT(sizeof(ucontext32_t) == __UCONTEXT32_SIZE); |
| 58 | #endif |
| 59 | |
| 60 | #endif /* COMPAT_NETBSD32 && _KERNEL */ |
| 61 | |
| 62 | #ifdef _KERNEL |
| 63 | #ifdef COMPAT_NETBSD32 |
| 64 | struct lwp; |
| 65 | void getucontext32(struct lwp *, ucontext32_t *); |
| 66 | int setucontext32(struct lwp *, const ucontext32_t *); |
| 67 | int cpu_mcontext32_validate(struct lwp *, const mcontext32_t *); |
| 68 | void cpu_getmcontext32(struct lwp *, mcontext32_t *, unsigned int *); |
| 69 | int cpu_setmcontext32(struct lwp *, const mcontext32_t *, unsigned int); |
| 70 | #endif /* COMPAT_NETBSD32 */ |
| 71 | #endif /* _KERNEL */ |
| 72 | |
| 73 | #endif /* !_COMPAT_SYS_UCONTEXT_H_ */ |
| 74 | |