1/*
 2 * Copyright (c) 2007 Apple Inc. All rights reserved.
 3 *
 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
 5 *
 6 * This file contains Original Code and/or Modifications of Original Code
 7 * as defined in and that are subject to the Apple Public Source License
 8 * Version 2.0 (the 'License'). You may not use this file except in
 9 * compliance with the License. The rights granted to you under the License
10 * may not be used to create, or enable the creation or redistribution of,
11 * unlawful or unlicensed copies of an Apple operating system, or to
12 * circumvent, violate, or enable the circumvention or violation of, any
13 * terms of an Apple operating system software license agreement.
14 *
15 * Please obtain a copy of the License at
16 * http://www.opensource.apple.com/apsl/ and read it before using this file.
17 *
18 * The Original Code and all software distributed under the License are
19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23 * Please see the License for the specific language governing rights and
24 * limitations under the License.
25 *
26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27 */
28
29#ifndef _MACH_ARM_EXCEPTION_H_
30#define _MACH_ARM_EXCEPTION_H_
31
32#if defined (__arm__) || defined (__arm64__)
33
34#define EXC_TYPES_COUNT         14      /* incl. illegal exception 0 */
35
36#define EXC_MASK_MACHINE         0
37
38#define EXCEPTION_CODE_MAX       2      /*  code and subcode */
39
40
41/*
42 *	Trap numbers as defined by the hardware exception vectors.
43 */
44
45/*
46 *      EXC_BAD_INSTRUCTION
47 */
48
49#define EXC_ARM_UNDEFINED       1       /* Undefined */
50#define EXC_ARM_SME_DISALLOWED  2       /* Current thread state prohibits use of SME resources */
51
52/*
53 *      EXC_ARITHMETIC
54 */
55
56#define EXC_ARM_FP_UNDEFINED    0       /* Undefined Floating Point Exception */
57#define EXC_ARM_FP_IO           1       /* Invalid Floating Point Operation */
58#define EXC_ARM_FP_DZ           2       /* Floating Point Divide by Zero */
59#define EXC_ARM_FP_OF           3       /* Floating Point Overflow */
60#define EXC_ARM_FP_UF           4       /* Floating Point Underflow */
61#define EXC_ARM_FP_IX           5       /* Inexact Floating Point Result */
62#define EXC_ARM_FP_ID           6       /* Floating Point Denormal Input */
63
64/*
65 *      EXC_BAD_ACCESS
66 *      Note: do not conflict with kern_return_t values returned by vm_fault
67 */
68
69#define EXC_ARM_DA_ALIGN        0x101   /* Alignment Fault */
70#define EXC_ARM_DA_DEBUG        0x102   /* Debug (watch/break) Fault */
71#define EXC_ARM_SP_ALIGN        0x103   /* SP Alignment Fault */
72#define EXC_ARM_SWP             0x104   /* SWP instruction */
73#define EXC_ARM_PAC_FAIL        0x105   /* PAC authentication failure */
74
75#define EXC_ARM_MTE_TAGCHECK_FAIL       0x106   /* MTE Tag Check failure */
76#define EXC_ARM_MTE_CANONICAL_FAIL      0x107   /* MTE Canonical Tag access fail */
77
78/*
79 *	EXC_BREAKPOINT
80 */
81
82#define EXC_ARM_BREAKPOINT      1       /* breakpoint trap */
83
84#endif /* defined (__arm__) || defined (__arm64__) */
85
86#endif  /* _MACH_ARM_EXCEPTION_H_ */