usr/src/uts/common/sys/fault.h

   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 */