ucontext.h revision 66458
1/*- 2 * Copyright (c) 1999 Marcel Moolenaar 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer 10 * in this position and unchanged. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * $FreeBSD: head/sys/ia64/include/ucontext.h 66458 2000-09-29 13:46:07Z dfr $ 29 */ 30 31#ifndef _MACHINE_UCONTEXT_H_ 32#define _MACHINE_UCONTEXT_H_ 33 34#define IA64_MC_FLAG_ONSTACK 0 35#define IA64_MC_FLAG_IN_SYSCALL 1 36#define IA64_MC_FLAG_FPH_VALID 2 37 38typedef struct __mcontext { 39 /* 40 * These fields must match the definition 41 * of struct sigcontext. That way we can support 42 * struct sigcontext and ucontext_t at the same 43 * time. 44 * 45 * We use the same layout as Linux/ia64 to make emulation 46 * easier. 47 */ 48 unsigned long mc_flags; 49 unsigned long mc_nat; 50 unsigned long mc_sp; 51 unsigned long mc_ip; 52 unsigned long mc_cfm; 53 unsigned long mc_um; 54 unsigned long mc_ar_rsc; 55 unsigned long mc_ar_bsp; 56 unsigned long mc_ar_rnat; 57 unsigned long mc_ar_ccv; 58 unsigned long mc_ar_unat; 59 unsigned long mc_ar_fpsr; 60 unsigned long mc_ar_pfs; 61 unsigned long mc_pr; 62 unsigned long mc_br[8]; 63 unsigned long mc_gr[32]; 64 struct ia64_fpreg mc_fr[128]; 65} mcontext_t; 66 67#endif /* !_MACHINE_UCONTEXT_H_ */ 68