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      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 (the "License").
      6  * You may not use this file except in compliance with the License.
      7  *
      8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
      9  * or http://www.opensolaris.org/os/licensing.
     10  * See the License for the specific language governing permissions
     11  * and limitations under the License.
     12  *
     13  * When distributing Covered Code, include this CDDL HEADER in each
     14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
     15  * If applicable, add the following below this CDDL HEADER, with the
     16  * fields enclosed by brackets "[]" replaced with your own identifying
     17  * information: Portions Copyright [yyyy] [name of copyright owner]
     18  *
     19  * CDDL HEADER END
     20  */
     21 /*
     22  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
     23  * Use is subject to license terms.
     24  */
     25 
     26 #ifndef	_SYS_TRAP_H
     27 #define	_SYS_TRAP_H
     28 
     29 #ifdef	__cplusplus
     30 extern "C" {
     31 #endif
     32 
     33 
     34 /*
     35  * This file is machine specific as is.
     36  * Some trap types could be made common
     37  * for all sparcs, but that is a project
     38  * in and of itself.
     39  */
     40 
     41 /*
     42  * Software traps (ticc instructions).
     43  */
     44 #define	ST_OSYSCALL		0x00
     45 #define	ST_BREAKPOINT		0x01
     46 #define	ST_DIV0			0x02
     47 #define	ST_FLUSH_WINDOWS	0x03
     48 #define	ST_CLEAN_WINDOWS	0x04
     49 #define	ST_RANGE_CHECK		0x05
     50 #define	ST_FIX_ALIGN		0x06
     51 #define	ST_INT_OVERFLOW		0x07
     52 #define	ST_SYSCALL		0x08
     53 #define	ST_TRANSACTION_FAILURE	0x0F
     54 
     55 /*
     56  * Software trap vectors 16 - 31 are reserved for use by the user
     57  * and will not be usurped by Sun.
     58  */
     59 
     60 #define	ST_GETCC		0x20
     61 #define	ST_SETCC		0x21
     62 #define	ST_GETPSR		0x22
     63 #define	ST_SETPSR		0x23
     64 #define	ST_GETHRTIME		0x24
     65 #define	ST_GETHRVTIME		0x25
     66 #define	ST_SELFXCALL		0x26
     67 #define	ST_GETHRESTIME		0x27
     68 #define	ST_SETV9STACK		0x28
     69 #define	ST_GETLGRP		0x29
     70 
     71 /*
     72  * DTrace traps used for user-land tracing.
     73  */
     74 #define	ST_DTRACE_PID		0x38
     75 #define	ST_DTRACE_PROBE		0x39
     76 #define	ST_DTRACE_RETURN	0x3a
     77 
     78 #define	ST_KMDB_TRAP		0x7d
     79 #define	ST_KMDB_BREAKPOINT	0x7e
     80 #define	ST_MON_BREAKPOINT	0x7f
     81 
     82 #ifdef	__cplusplus
     83 }
     84 #endif
     85 
     86 #endif	/* _SYS_TRAP_H */
     87