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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, 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 1995-1999,2003 Sun Microsystems, Inc.  All rights reserved.
     24  * Use is subject to license terms.
     25  */
     26 
     27 #ifndef _UTRAP_H
     28 #define	_UTRAP_H
     29 
     30 #pragma ident	"%Z%%M%	%I%	%E% SMI"
     31 
     32 #ifdef	__cplusplus
     33 extern "C" {
     34 #endif
     35 
     36 /*
     37  * this file contains definitions for user-level traps.
     38  */
     39 
     40 #define	UT_INSTRUCTION_DISABLED			1
     41 #define	UT_INSTRUCTION_ERROR			2
     42 #define	UT_INSTRUCTION_PROTECTION		3
     43 #define	UT_ILLTRAP_INSTRUCTION			4
     44 #define	UT_ILLEGAL_INSTRUCTION			5
     45 #define	UT_PRIVILEGED_OPCODE			6
     46 #define	UT_FP_DISABLED				7
     47 #define	UT_FP_EXCEPTION_IEEE_754		8
     48 #define	UT_FP_EXCEPTION_OTHER			9
     49 #define	UT_TAG_OVERFLOW				10
     50 #define	UT_DIVISION_BY_ZERO			11
     51 #define	UT_DATA_EXCEPTION			12
     52 #define	UT_DATA_ERROR				13
     53 #define	UT_DATA_PROTECTION			14
     54 #define	UT_MEM_ADDRESS_NOT_ALIGNED		15
     55 #define	UT_PRIVILEGED_ACTION			16
     56 #define	UT_ASYNC_DATA_ERROR			17
     57 #define	UT_TRAP_INSTRUCTION_16			18
     58 #define	UT_TRAP_INSTRUCTION_17			19
     59 #define	UT_TRAP_INSTRUCTION_18			20
     60 #define	UT_TRAP_INSTRUCTION_19			21
     61 #define	UT_TRAP_INSTRUCTION_20			22
     62 #define	UT_TRAP_INSTRUCTION_21			23
     63 #define	UT_TRAP_INSTRUCTION_22			24
     64 #define	UT_TRAP_INSTRUCTION_23			25
     65 #define	UT_TRAP_INSTRUCTION_24			26
     66 #define	UT_TRAP_INSTRUCTION_25			27
     67 #define	UT_TRAP_INSTRUCTION_26			28
     68 #define	UT_TRAP_INSTRUCTION_27			29
     69 #define	UT_TRAP_INSTRUCTION_28			30
     70 #define	UT_TRAP_INSTRUCTION_29			31
     71 #define	UT_TRAP_INSTRUCTION_30			32
     72 #define	UT_TRAP_INSTRUCTION_31			33
     73 
     74 /*
     75  * These defines exist only for the private v8plus install_utrap interface.
     76  */
     77 #define	UTRAP_V8P_FP_DISABLED			UT_FP_DISABLED
     78 #define	UTRAP_V8P_MEM_ADDRESS_NOT_ALIGNED	UT_MEM_ADDRESS_NOT_ALIGNED
     79 
     80 #ifndef _ASM
     81 
     82 #define	UTH_NOCHANGE ((utrap_handler_t)(-1))
     83 #define	UTRAP_UTH_NOCHANGE	UTH_NOCHANGE
     84 
     85 typedef int utrap_entry_t;
     86 typedef void *utrap_handler_t;	/* user trap handler entry point */
     87 
     88 #ifdef __sparcv8plus
     89 int
     90 install_utrap(utrap_entry_t type, utrap_handler_t new_handler,
     91 	utrap_handler_t *old_handlerp);
     92 #endif /* __sparcv8plus */
     93 
     94 #ifdef _KERNEL
     95 struct proc;
     96 void utrap_dup(struct proc *pp, struct proc *cp);
     97 void utrap_free(struct proc *p);
     98 #endif /* _KERNEL */
     99 
    100 #ifdef __sparcv9
    101 int
    102 __sparc_utrap_install(utrap_entry_t type,
    103 	utrap_handler_t new_precise, utrap_handler_t new_deferred,
    104 	utrap_handler_t *old_precise, utrap_handler_t *old_deferred);
    105 #endif
    106 
    107 /* The trap_instruction user traps are precise only. */
    108 #define	UT_PRECISE_MAXTRAPS				33
    109 
    110 #endif /* ASM */
    111 
    112 #ifdef	__cplusplus
    113 }
    114 #endif
    115 
    116 #endif	/* _UTRAP_H */
    117