1 /* $OpenBSD: signal.h,v 1.8 2012/12/02 07:03:31 guenther Exp $ */ 2 /* $NetBSD: signal.h,v 1.1 1996/09/30 16:34:34 ws Exp $ */ 3 4 /* 5 * Copyright (C) 1995, 1996 Wolfgang Solfrank. 6 * Copyright (C) 1995, 1996 TooLs GmbH. 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgement: 19 * This product includes software developed by TooLs GmbH. 20 * 4. The name of TooLs GmbH may not be used to endorse or promote products 21 * derived from this software without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR 24 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 25 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 26 * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 27 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 28 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 29 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 30 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 31 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 32 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 33 */ 34 #ifndef _POWERPC_SIGNAL_H_ 35 #define _POWERPC_SIGNAL_H_ 36 37 #include <sys/cdefs.h> 38 39 typedef int sig_atomic_t; 40 41 #if __BSD_VISIBLE || __XPG_VISIBLE >= 420 42 #include <machine/_types.h> 43 44 /* 45 * We have to save all registers on every trap, because 46 * 1. user could attach this process every time 47 * 2. we must be able to restore all user registers in case of fork 48 * Actually, we do not save the fp registers on trap, since 49 * these are not used by the kernel. They are saved only when switching 50 * between processes using the FPU. 51 * 52 */ 53 struct trapframe { 54 __register_t fixreg[32]; 55 __register_t lr; 56 __register_t cr; 57 __register_t xer; 58 __register_t ctr; 59 int srr0; 60 int srr1; 61 int dar; /* dar & dsisr are only filled on a DSI trap */ 62 int dsisr; 63 __register_t exc; 64 }; 65 66 struct sigcontext { 67 int __sc_unused; 68 int sc_mask; /* saved signal mask */ 69 struct trapframe sc_frame; /* saved registers */ 70 }; 71 #endif /* __BSD_VISIBLE || __XPG_VISIBLE >= 420 */ 72 #endif /* _POWERPC_SIGNAL_H_ */ 73