xref: /openbsd/sys/arch/sparc64/include/signal.h (revision fd84ef7e)
1 /*	$OpenBSD: signal.h,v 1.3 2001/11/17 20:43:22 deraadt Exp $	*/
2 /*	$NetBSD: signal.h,v 1.10 2001/05/09 19:50:49 kleink Exp $ */
3 
4 /*
5  * Copyright (c) 1992, 1993
6  *	The Regents of the University of California.  All rights reserved.
7  *
8  * This software was developed by the Computer Systems Engineering group
9  * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
10  * contributed to Berkeley.
11  *
12  * All advertising materials mentioning features or use of this software
13  * must display the following acknowledgement:
14  *	This product includes software developed by the University of
15  *	California, Lawrence Berkeley Laboratory.
16  *
17  * Redistribution and use in source and binary forms, with or without
18  * modification, are permitted provided that the following conditions
19  * are met:
20  * 1. Redistributions of source code must retain the above copyright
21  *    notice, this list of conditions and the following disclaimer.
22  * 2. Redistributions in binary form must reproduce the above copyright
23  *    notice, this list of conditions and the following disclaimer in the
24  *    documentation and/or other materials provided with the distribution.
25  * 3. All advertising materials mentioning features or use of this software
26  *    must display the following acknowledgement:
27  *	This product includes software developed by the University of
28  *	California, Berkeley and its contributors.
29  * 4. Neither the name of the University nor the names of its contributors
30  *    may be used to endorse or promote products derived from this software
31  *    without specific prior written permission.
32  *
33  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
34  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
35  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
36  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
37  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
38  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
39  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
40  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
41  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
42  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
43  * SUCH DAMAGE.
44  *
45  *	@(#)signal.h	8.1 (Berkeley) 6/11/93
46  */
47 
48 #ifndef	_SPARC_SIGNAL_H_
49 #define _SPARC_SIGNAL_H_
50 
51 #ifndef _LOCORE
52 typedef int sig_atomic_t;
53 #endif
54 
55 #if !defined(_ANSI_SOURCE) && !defined(_POSIX_C_SOURCE) && \
56     !defined(_XOPEN_SOURCE)
57 #ifndef _LOCORE
58 
59 /*
60  * Information pushed on stack when a signal is delivered.
61  * This is used by the kernel to restore state following
62  * execution of the signal handler.  It is also made available
63  * to the handler to allow it to restore state properly if
64  * a non-standard exit is performed.
65  *
66  * All machines must have an sc_onstack and sc_mask.
67  */
68 #if defined(__LIBC12_SOURCE__) || defined(_KERNEL)
69 struct sigcontext13 {
70 	int	sc_onstack;		/* sigstack state to restore */
71 	int	sc_mask;		/* signal mask to restore (old style) */
72 	/* begin machine dependent portion */
73 	long	sc_sp;			/* %sp to restore */
74 	long	sc_pc;			/* pc to restore */
75 	long	sc_npc;			/* npc to restore */
76 #ifdef __arch64__
77 	long	sc_tstate;		/* tstate to restore */
78 #else
79 	long	sc_psr;			/* psr portion to restore */
80 #endif
81 	long	sc_g1;			/* %g1 to restore */
82 	long	sc_o0;			/* %o0 to restore */
83 };
84 #endif /* __LIBC12_SOURCE__ || _KERNEL */
85 struct sigcontext {
86 	int		sc_onstack;	/* sigstack state to restore */
87 	int		__sc_mask13;	/* signal mask to restore (old style) */
88 	/* begin machine dependent portion */
89 	long		sc_sp;		/* %sp to restore */
90 	long		sc_pc;		/* pc to restore */
91 	long		sc_npc;		/* npc to restore */
92 #ifdef __arch64__
93 	long		sc_tstate;	/* tstate to restore */
94 #else
95 	long		sc_psr;		/* psr portion to restore */
96 #endif
97 	long		sc_g1;		/* %g1 to restore */
98 	long		sc_o0;		/* %o0 to restore */
99 	int		sc_mask;	/* signal mask to restore (new style) */
100 };
101 #else /* _LOCORE */
102 /* XXXXX These values don't work for _LP64 */
103 #define	SC_SP_OFFSET	8
104 #define	SC_PC_OFFSET	12
105 #define	SC_NPC_OFFSET	16
106 #define	SC_PSR_OFFSET	20
107 #define	SC_G1_OFFSET	24
108 #define	SC_O0_OFFSET	28
109 #endif /* _LOCORE */
110 
111 /*
112  * `Code' arguments to signal handlers.  The names, and the funny numbering.
113  * are defined so as to match up with what SunOS uses; I have no idea why
114  * they did the numbers that way, except maybe to match up with the 68881.
115  */
116 #define	FPE_INTOVF_TRAP		0x01	/* integer overflow */
117 #define	FPE_INTDIV_TRAP		0x14	/* integer divide by zero */
118 #define	FPE_FLTINEX_TRAP	0xc4	/* inexact */
119 #define	FPE_FLTDIV_TRAP		0xc8	/* divide by zero */
120 #define	FPE_FLTUND_TRAP		0xcc	/* underflow */
121 #define	FPE_FLTOPERR_TRAP	0xd0	/* operand error */
122 #define	FPE_FLTOVF_TRAP		0xd4	/* overflow */
123 
124 #endif	/* !_ANSI_SOURCE && !_POSIX_C_SOURCE && !_XOPEN_SOURCE */
125 #endif	/* !_SPARC_SIGNAL_H_ */
126