1/* $FreeBSD: head/sys/ia64/include/signal.h 105950 2002-10-25 19:10:58Z peter $ */
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 *

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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
54/*
55 * Minimum signal stack size. The current signal frame
56 * for IA-64 is 2656 bytes large.
57 */
58#define MINSIGSTKSZ (3072 * 4)
59#endif
60
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
74/*
75 * Information pushed on stack when a signal is delivered.
76 * This is used by the kernel to restore state following
77 * execution of the signal handler. It is also made available
78 * to the handler to allow it to restore state properly if
79 * a non-standard exit is performed.
80 *
81 * Note that sc_regs[] and sc_fpregs[]+sc_fpcr are inline
82 * representations of 'struct reg' and 'struct fpreg', respectively.
83 */
84
85#if __BSD_VISIBLE
86/*
87 * The sequence of the fields should match those in
88 * mcontext_t. Keep them in sync!
89 */
90struct sigcontext {
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];
110};
111#endif /* __BSD_VISIBLE */
112
113#endif /* !_MACHINE_SIGNAL_H_*/