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 | #if XNU_KERNEL_PRIVATE |
41 | #if __has_feature(ptrauth_calls) |
42 | #define EXC_PTRAUTH_BIT 0x200 /* bit set if exception could have been caused by ptrauth failure */ |
43 | #endif /* __has_feature(ptrauth_calls) */ |
44 | #endif /* XNU_KERNEL_PRIVATE */ |
45 | |
46 | /* |
47 | * Trap numbers as defined by the hardware exception vectors. |
48 | */ |
49 | |
50 | /* |
51 | * EXC_BAD_INSTRUCTION |
52 | */ |
53 | |
54 | #define EXC_ARM_UNDEFINED 1 /* Undefined */ |
55 | |
56 | /* |
57 | * EXC_ARITHMETIC |
58 | */ |
59 | |
60 | #define EXC_ARM_FP_UNDEFINED 0 /* Undefined Floating Point Exception */ |
61 | #define EXC_ARM_FP_IO 1 /* Invalid Floating Point Operation */ |
62 | #define EXC_ARM_FP_DZ 2 /* Floating Point Divide by Zero */ |
63 | #define EXC_ARM_FP_OF 3 /* Floating Point Overflow */ |
64 | #define EXC_ARM_FP_UF 4 /* Floating Point Underflow */ |
65 | #define EXC_ARM_FP_IX 5 /* Inexact Floating Point Result */ |
66 | #define EXC_ARM_FP_ID 6 /* Floating Point Denormal Input */ |
67 | |
68 | /* |
69 | * EXC_BAD_ACCESS |
70 | * Note: do not conflict with kern_return_t values returned by vm_fault |
71 | */ |
72 | |
73 | #define EXC_ARM_DA_ALIGN 0x101 /* Alignment Fault */ |
74 | #define EXC_ARM_DA_DEBUG 0x102 /* Debug (watch/break) Fault */ |
75 | #define EXC_ARM_SP_ALIGN 0x103 /* SP Alignment Fault */ |
76 | #define EXC_ARM_SWP 0x104 /* SWP instruction */ |
77 | #define EXC_ARM_PAC_FAIL 0x105 /* PAC authentication failure */ |
78 | |
79 | |
80 | /* |
81 | * EXC_BREAKPOINT |
82 | */ |
83 | |
84 | #define EXC_ARM_BREAKPOINT 1 /* breakpoint trap */ |
85 | |
86 | #endif /* defined (__arm__) || defined (__arm64__) */ |
87 | |
88 | #endif /* _MACH_ARM_EXCEPTION_H_ */ |
89 | |