1 /* $NetBSD: signal.h,v 1.16 2012/02/06 02:14:13 matt Exp $ */ 2 3 /* 4 * Copyright (c) 1994, 1995 Carnegie-Mellon University. 5 * All rights reserved. 6 * 7 * Author: Chris G. Demetriou 8 * 9 * Permission to use, copy, modify and distribute this software and 10 * its documentation is hereby granted, provided that both the copyright 11 * notice and this permission notice appear in all copies of the 12 * software, derivative works or modified versions, and any portions 13 * thereof, and that both notices appear in supporting documentation. 14 * 15 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 16 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 17 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 18 * 19 * Carnegie Mellon requests users of this software to return to 20 * 21 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU 22 * School of Computer Science 23 * Carnegie Mellon University 24 * Pittsburgh PA 15213-3890 25 * 26 * any improvements or extensions that they make and grant Carnegie the 27 * rights to redistribute these changes. 28 */ 29 30 #ifndef _ALPHA_SIGNAL_H_ 31 #define _ALPHA_SIGNAL_H_ 32 33 #include <sys/featuretest.h> 34 35 typedef long sig_atomic_t; 36 37 #ifdef _KERNEL_OPT 38 #include "opt_compat_netbsd.h" 39 #include "opt_compat_osf1.h" 40 #endif 41 42 /* 43 * Information pushed on stack when a signal is delivered. 44 * This is used by the kernel to restore state following 45 * execution of the signal handler. It is also made available 46 * to the handler to allow it to restore state properly if 47 * a non-standard exit is performed. 48 * 49 * Note that sc_regs[] and sc_fpregs[]+sc_fpcr are inline 50 * representations of 'struct reg' and 'struct fpreg', respectively. 51 */ 52 #if defined(_KERNEL) && (defined(COMPAT_13) || defined(COMPAT_OSF1)) 53 struct sigcontext13 { 54 long sc_onstack; /* sigstack state to restore */ 55 long sc_mask; /* signal mask to restore (old style) */ 56 long sc_pc; /* pc to restore */ 57 long sc_ps; /* ps to restore */ 58 unsigned long sc_regs[32]; /* integer register set (see above) */ 59 #define sc_sp sc_regs[R_SP] 60 long sc_ownedfp; /* fp has been used */ 61 unsigned long sc_fpregs[32]; /* FP register set (see above) */ 62 unsigned long sc_fpcr; /* FP control register (see above) */ 63 unsigned long sc_fp_control; /* FP software control word */ 64 long sc_reserved[2]; /* XXX */ 65 long sc_xxx[8]; /* XXX */ 66 }; 67 #endif /* _KERNEL && (COMPAT_13 || COMPAT_OSF1) */ 68 69 #if defined(_LIBC) || (defined(_KERNEL) && (defined(COMPAT_16) || defined(COMPAT_OSF1))) 70 struct sigcontext { 71 long sc_onstack; /* sigstack state to restore */ 72 long __sc_mask13; /* signal mask to restore (old style) */ 73 long sc_pc; /* pc to restore */ 74 long sc_ps; /* ps to restore */ 75 unsigned long sc_regs[32]; /* integer register set (see above) */ 76 #define sc_sp sc_regs[R_SP] 77 long sc_ownedfp; /* fp has been used */ 78 unsigned long sc_fpregs[32]; /* FP register set (see above) */ 79 unsigned long sc_fpcr; /* FP control register (see above) */ 80 unsigned long sc_fp_control; /* FP software control word */ 81 long sc_reserved[2]; /* XXX */ 82 long sc_xxx[8]; /* XXX */ 83 sigset_t sc_mask; /* signal mask to restore (new style) */ 84 }; 85 #endif /* _LIBC || _KERNEL */ 86 87 #endif /* !_ALPHA_SIGNAL_H_*/ 88