osfmk/mach/ppc/exception.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
   7  *
   8  * This file contains Original Code and/or Modifications of Original Code
   9  * as defined in and that are subject to the Apple Public Source License
  10  * Version 2.0 (the 'License'). You may not use this file except in
  11  * compliance with the License. Please obtain a copy of the License at
  12  * http://www.opensource.apple.com/apsl/ and read it before using this
  13  * file.
  14  *
  15  * The Original Code and all software distributed under the License are
  16  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  17  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  18  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  20  * Please see the License for the specific language governing rights and
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  23  * @APPLE_LICENSE_HEADER_END@
  24  */
  25 /*
  26  * @OSF_COPYRIGHT@
  27  */
  28 /*
  29  * Copyright (c) 1990, 1991, 1992, The University of Utah and
  30  * the Center for Software Science at the University of Utah (CSS).
  31  * All rights reserved.
  32  *
  33  * Permission to use, copy, modify and distribute this software is hereby
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  36  * reproduce the notices in supporting documentation, and (3) all advertising
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  38  * acknowledgement: ``This product includes software developed by the Center
  39  * for Software Science at the University of Utah.''
  40  *
  41  * THE UNIVERSITY OF UTAH AND CSS ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS
  42  * IS" CONDITION.  THE UNIVERSITY OF UTAH AND CSS DISCLAIM ANY LIABILITY OF
  43  * ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
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  47  *
  48  *      Utah $Hdr: $
  49  */
  50
  51 #ifndef _MACH_PPC_EXCEPTION_H_
  52 #define _MACH_PPC_EXCEPTION_H_
  53
  54
  55 /* STATUS - TODO - this is just transcribed from hp stuff */
  56
  57 #define EXC_TYPES_COUNT 10      /* incl. illegal exception 0 */
  58
  59 #define EXCEPTION_CODE_MAX 2    /* elements in vector (code+subcode) */
  60 /*
  61  *      EXC_BAD_INSTRUCTION
  62  */
  63
  64 #define EXC_PPC_INVALID_SYSCALL 1    /* invalid syscall number */
  65 #define EXC_PPC_UNIPL_INST      2    /* unimplemented instruction */
  66 #define EXC_PPC_PRIVINST        3    /* priviledged instruction */
  67 #define EXC_PPC_PRIVREG         4    /* priviledged register */
  68 #define EXC_PPC_TRACE           5    /* trace/single-step */
  69 #define EXC_PPC_PERFMON     6    /* performance monitor */
  70
  71 /*
  72  *      EXC_BAD_ACCESS
  73  *      Note: do not conflict with kern_return_t values returned by vm_fault
  74  */
  75
  76 #define EXC_PPC_VM_PROT_READ            0x101 /* error reading syscall args */
  77 #define EXC_PPC_BADSPACE                0x102 /* bad space referenced */
  78 #define EXC_PPC_UNALIGNED               0x103 /* unaligned data reference */
  79
  80 /*
  81  *      EXC_ARITHMETIC
  82  */
  83
  84 #define EXC_PPC_OVERFLOW                1    /* integer overflow */
  85 #define EXC_PPC_ZERO_DIVIDE             2    /* integer divide by zero */
  86 #define EXC_PPC_FLT_INEXACT             3    /* IEEE inexact exception */
  87 #define EXC_PPC_FLT_ZERO_DIVIDE         4    /* IEEE zero divide */
  88 #define EXC_PPC_FLT_UNDERFLOW           5    /* IEEE floating underflow */
  89 #define EXC_PPC_FLT_OVERFLOW            6    /* IEEE floating overflow */
  90 #define EXC_PPC_FLT_NOT_A_NUMBER        7    /* IEEE not a number */
  91
  92 /*
  93  * EXC_PPC_NOEMULATION should go away when we add software emulation
  94  * for floating point. Right now we don't support this.
  95  */
  96
  97 #define EXC_PPC_NOEMULATION             8       /* no floating point emulation */
  98 #define EXC_PPC_ALTIVECASSIST   9       /* Altivec Denorm Assist */
  99
 100 /*
 101  *      EXC_SOFTWARE
 102  *      Note: 0x10000-0x10003 in use for unix signal
 103  */
 104 #define EXC_PPC_TRAP            1               /* Program trap */
 105 #define EXC_PPC_MIGRATE         0x10100         /* Time to bolt */
 106
 107
 108 /*
 109  *      EXC_BREAKPOINT
 110  */
 111
 112 #define EXC_PPC_BREAKPOINT              EXC_PPC_TRAP    /* breakpoint trap */
 113
 114 /*
 115  *      machine dependent exception masks
 116  */
 117 #define EXC_MASK_MACHINE        0
 118
 119 #endif  /* _MACH_PPC_EXCEPTION_H_ */