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