1/* $FreeBSD: head/sys/ia64/include/signal.h 105950 2002-10-25 19:10:58Z peter $ */
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1/* $FreeBSD: head/sys/ia64/include/signal.h 115084 2003-05-16 21:26:42Z marcel $ */ |
2/* From: NetBSD: signal.h,v 1.3 1997/04/06 08:47:43 cgd Exp */ 3 4/* 5 * Copyright (c) 1994, 1995 Carnegie-Mellon University. 6 * All rights reserved. 7 * 8 * Author: Chris G. Demetriou 9 * 10 * Permission to use, copy, modify and distribute this software and 11 * its documentation is hereby granted, provided that both the copyright 12 * notice and this permission notice appear in all copies of the 13 * software, derivative works or modified versions, and any portions 14 * thereof, and that both notices appear in supporting documentation. 15 * 16 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 17 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 18 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 19 * 20 * Carnegie Mellon requests users of this software to return to 21 * 22 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU 23 * School of Computer Science 24 * Carnegie Mellon University 25 * Pittsburgh PA 15213-3890 26 * 27 * any improvements or extensions that they make and grant Carnegie the 28 * rights to redistribute these changes. 29 */ 30 31#ifndef _MACHINE_SIGNAL_H_ 32#define _MACHINE_SIGNAL_H_ 33 34#include <sys/cdefs.h> 35#include <sys/_sigset.h> 36 37typedef long sig_atomic_t; 38 39#if __BSD_VISIBLE 40/* portable macros for SIGFPE/ARITHTRAP */ 41#define FPE_INTOVF 1 /* integer overflow */ 42#define FPE_INTDIV 2 /* integer divide by zero */ 43#define FPE_FLTDIV 3 /* floating point divide by zero */ 44#define FPE_FLTOVF 4 /* floating point overflow */ 45#define FPE_FLTUND 5 /* floating point underflow */ 46#define FPE_FLTRES 6 /* floating point inexact result */ 47#define FPE_FLTINV 7 /* invalid floating point operation */ 48#define FPE_FLTSUB 8 /* subscript out of range */ 49 50#define BUS_SEGM_FAULT 30 /* segment protection base */ 51#endif 52 53#if __XSI_VISIBLE
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54/*
55 * Minimum signal stack size. The current signal frame
56 * for IA-64 is 2656 bytes large.
57 */
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54/* Minimum signal stack size. */ |
55#define MINSIGSTKSZ (3072 * 4) 56#endif 57
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61#if __BSD_VISIBLE
62#ifndef _IA64_FPREG_DEFINED
63
64struct ia64_fpreg {
65 unsigned long fpr_bits[2];
66} __aligned(16);
67
68#define _IA64_FPREG_DEFINED
69
70#endif
71#endif
72
73
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58/* 59 * Information pushed on stack when a signal is delivered. 60 * This is used by the kernel to restore state following 61 * execution of the signal handler. It is also made available 62 * to the handler to allow it to restore state properly if 63 * a non-standard exit is performed.
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80 *
81 * Note that sc_regs[] and sc_fpregs[]+sc_fpcr are inline
82 * representations of 'struct reg' and 'struct fpreg', respectively.
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64 */ 65 66#if __BSD_VISIBLE
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67#include <machine/_regset.h> 68 |
69/* 70 * The sequence of the fields should match those in 71 * mcontext_t. Keep them in sync! 72 */ 73struct sigcontext {
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91 struct __sigset sc_mask; /* signal mask to restore */
92 unsigned long sc_onstack;
93 unsigned long sc_flags;
94 unsigned long sc_nat;
95 unsigned long sc_sp;
96 unsigned long sc_ip;
97 unsigned long sc_cfm;
98 unsigned long sc_um;
99 unsigned long sc_ar_rsc;
100 unsigned long sc_ar_bsp;
101 unsigned long sc_ar_rnat;
102 unsigned long sc_ar_ccv;
103 unsigned long sc_ar_unat;
104 unsigned long sc_ar_fpsr;
105 unsigned long sc_ar_pfs;
106 unsigned long sc_pr;
107 unsigned long sc_br[8];
108 unsigned long sc_gr[32];
109 struct ia64_fpreg sc_fr[128];
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74 struct __sigset sc_mask; /* signal mask to restore */ 75 unsigned long sc_onstack; 76 unsigned long sc_flags; 77 struct _special sc_special; 78 struct _callee_saved sc_preserved; 79 struct _callee_saved_fp sc_preserved_fp; 80 struct _caller_saved sc_scratch; 81 struct _caller_saved_fp sc_scratch_fp; 82 struct _high_fp sc_high_fp; |
83}; 84#endif /* __BSD_VISIBLE */ 85 86#endif /* !_MACHINE_SIGNAL_H_*/
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