Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/compat/svr4/svr4_ucontext.h
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1 /* $NetBSD: svr4_ucontext.h,v 1.9 2008/04/28 20:23:45 martin Exp $ */ 2 3 /*- 4 * Copyright (c) 1994 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Christos Zoulas. 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 _SVR4_UCONTEXT_H_ 33 #define _SVR4_UCONTEXT_H_ 34 35 #include <compat/svr4/svr4_types.h> 36 #include <compat/svr4/svr4_signal.h> 37 #include <machine/svr4_machdep.h> 38 39 /* 40 * Machine context 41 */ 42 43 #define SVR4_UC_SIGMASK 0x01 44 #define SVR4_UC_STACK 0x02 45 46 #define SVR4_UC_CPU 0x04 47 #define SVR4_UC_FPU 0x08 48 #define SVR4_UC_WEITEK 0x10 49 50 #define SVR4_UC_MCONTEXT (SVR4_UC_CPU|SVR4_UC_FPU|SVR4_UC_WEITEK) 51 52 #define SVR4_UC_ALL (SVR4_UC_SIGMASK|SVR4_UC_STACK|SVR4_UC_MCONTEXT) 53 54 typedef struct svr4_ucontext { 55 u_long uc_flags; 56 struct svr4_ucontext *uc_link; 57 svr4_sigset_t uc_sigmask; 58 struct svr4_sigaltstack uc_stack; 59 svr4_mcontext_t uc_mcontext; 60 #ifdef SVR4_UC_MACHINE_PAD 61 long uc_pad[SVR4_UC_MACHINE_PAD]; 62 #endif 63 } svr4_ucontext_t; 64 65 #define SVR4_UC_GETREGSET 0 66 #define SVR4_UC_SETREGSET 1 67 68 /* 69 * Signal frame 70 */ 71 struct svr4_sigframe { 72 int sf_signum; 73 union svr4_siginfo *sf_sip; 74 struct svr4_ucontext *sf_ucp; 75 sig_t sf_handler; 76 struct svr4_ucontext sf_uc; 77 union svr4_siginfo sf_si; 78 }; 79 80 81 void *svr4_getmcontext(struct lwp *, struct svr4_mcontext *, u_long *); 82 int svr4_setmcontext(struct lwp *, struct svr4_mcontext *, u_long); 83 84 void svr4_getcontext(struct lwp *, struct svr4_ucontext *); 85 int svr4_setcontext(struct lwp *, struct svr4_ucontext *); 86 87 #endif /* !_SVR4_UCONTEXT_H_ */
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