/*
 * 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

#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 */