xref: /onnv-gate/usr/src/uts/common/sys/fault.h (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate  * Copyright (c) 1999 by Sun Microsystems, Inc.
24*0Sstevel@tonic-gate  * All rights reserved.
25*0Sstevel@tonic-gate  */
26*0Sstevel@tonic-gate 
27*0Sstevel@tonic-gate /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
28*0Sstevel@tonic-gate /*	  All Rights Reserved  	*/
29*0Sstevel@tonic-gate 
30*0Sstevel@tonic-gate 
31*0Sstevel@tonic-gate #ifndef _SYS_FAULT_H
32*0Sstevel@tonic-gate #define	_SYS_FAULT_H
33*0Sstevel@tonic-gate 
34*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
35*0Sstevel@tonic-gate 
36*0Sstevel@tonic-gate #ifdef	__cplusplus
37*0Sstevel@tonic-gate extern "C" {
38*0Sstevel@tonic-gate #endif
39*0Sstevel@tonic-gate 
40*0Sstevel@tonic-gate /*
41*0Sstevel@tonic-gate  * Fault numbers, analagous to signals.  These correspond to
42*0Sstevel@tonic-gate  * hardware faults.  Setting the appropriate flags in a process's
43*0Sstevel@tonic-gate  * set of traced faults via /proc causes the process to stop each
44*0Sstevel@tonic-gate  * time one of the designated faults occurs so that a debugger can
45*0Sstevel@tonic-gate  * take action.  See proc(4) for details.
46*0Sstevel@tonic-gate  */
47*0Sstevel@tonic-gate 
48*0Sstevel@tonic-gate 	/* fault enumeration must begin with 1 */
49*0Sstevel@tonic-gate #define	FLTILL		1	/* Illegal instruction */
50*0Sstevel@tonic-gate #define	FLTPRIV		2	/* Privileged instruction */
51*0Sstevel@tonic-gate #define	FLTBPT		3	/* Breakpoint instruction */
52*0Sstevel@tonic-gate #define	FLTTRACE	4	/* Trace trap (single-step) */
53*0Sstevel@tonic-gate #define	FLTACCESS	5	/* Memory access (e.g., alignment) */
54*0Sstevel@tonic-gate #define	FLTBOUNDS	6	/* Memory bounds (invalid address) */
55*0Sstevel@tonic-gate #define	FLTIOVF		7	/* Integer overflow */
56*0Sstevel@tonic-gate #define	FLTIZDIV	8	/* Integer zero divide */
57*0Sstevel@tonic-gate #define	FLTFPE		9	/* Floating-point exception */
58*0Sstevel@tonic-gate #define	FLTSTACK	10	/* Irrecoverable stack fault */
59*0Sstevel@tonic-gate #define	FLTPAGE		11	/* Recoverable page fault (no associated sig) */
60*0Sstevel@tonic-gate #define	FLTWATCH	12	/* Watchpoint trap */
61*0Sstevel@tonic-gate #define	FLTCPCOVF	13	/* CPU performance counter overflow */
62*0Sstevel@tonic-gate 
63*0Sstevel@tonic-gate typedef struct {		/* fault set type */
64*0Sstevel@tonic-gate 	unsigned int	word[4];
65*0Sstevel@tonic-gate } fltset_t;
66*0Sstevel@tonic-gate 
67*0Sstevel@tonic-gate #ifdef	__cplusplus
68*0Sstevel@tonic-gate }
69*0Sstevel@tonic-gate #endif
70*0Sstevel@tonic-gate 
71*0Sstevel@tonic-gate #endif	/* _SYS_FAULT_H */
72