utrap.h revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 1995-1999,2003 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _UTRAP_H
#define _UTRAP_H
#pragma ident "%Z%%M% %I% %E% SMI"
#ifdef __cplusplus
extern "C" {
#endif
/*
* this file contains definitions for user-level traps.
*/
#define UT_INSTRUCTION_DISABLED 1
#define UT_INSTRUCTION_ERROR 2
#define UT_INSTRUCTION_PROTECTION 3
#define UT_ILLTRAP_INSTRUCTION 4
#define UT_ILLEGAL_INSTRUCTION 5
#define UT_PRIVILEGED_OPCODE 6
#define UT_FP_DISABLED 7
#define UT_FP_EXCEPTION_IEEE_754 8
#define UT_FP_EXCEPTION_OTHER 9
#define UT_TAG_OVERFLOW 10
#define UT_DIVISION_BY_ZERO 11
#define UT_DATA_EXCEPTION 12
#define UT_DATA_ERROR 13
#define UT_DATA_PROTECTION 14
#define UT_MEM_ADDRESS_NOT_ALIGNED 15
#define UT_PRIVILEGED_ACTION 16
#define UT_ASYNC_DATA_ERROR 17
#define UT_TRAP_INSTRUCTION_16 18
#define UT_TRAP_INSTRUCTION_17 19
#define UT_TRAP_INSTRUCTION_18 20
#define UT_TRAP_INSTRUCTION_19 21
#define UT_TRAP_INSTRUCTION_20 22
#define UT_TRAP_INSTRUCTION_21 23
#define UT_TRAP_INSTRUCTION_22 24
#define UT_TRAP_INSTRUCTION_23 25
#define UT_TRAP_INSTRUCTION_24 26
#define UT_TRAP_INSTRUCTION_25 27
#define UT_TRAP_INSTRUCTION_26 28
#define UT_TRAP_INSTRUCTION_27 29
#define UT_TRAP_INSTRUCTION_28 30
#define UT_TRAP_INSTRUCTION_29 31
#define UT_TRAP_INSTRUCTION_30 32
#define UT_TRAP_INSTRUCTION_31 33
/*
* These defines exist only for the private v8plus install_utrap interface.
*/
#define UTRAP_V8P_FP_DISABLED UT_FP_DISABLED
#define UTRAP_V8P_MEM_ADDRESS_NOT_ALIGNED UT_MEM_ADDRESS_NOT_ALIGNED
#ifndef _ASM
#define UTH_NOCHANGE ((utrap_handler_t)(-1))
#define UTRAP_UTH_NOCHANGE UTH_NOCHANGE
typedef int utrap_entry_t;
typedef void *utrap_handler_t; /* user trap handler entry point */
#ifdef __sparcv8plus
int
install_utrap(utrap_entry_t type, utrap_handler_t new_handler,
utrap_handler_t *old_handlerp);
#endif /* __sparcv8plus */
#ifdef _KERNEL
struct proc;
void utrap_dup(struct proc *pp, struct proc *cp);
void utrap_free(struct proc *p);
#endif /* _KERNEL */
#ifdef __sparcv9
int
__sparc_utrap_install(utrap_entry_t type,
utrap_handler_t new_precise, utrap_handler_t new_deferred,
utrap_handler_t *old_precise, utrap_handler_t *old_deferred);
#endif
/* The trap_instruction user traps are precise only. */
#define UT_PRECISE_MAXTRAPS 33
#endif /* ASM */
#ifdef __cplusplus
}
#endif
#endif /* _UTRAP_H */