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 #define EXC_ARM_SME_DISALLOWED 2 /* Current thread state prohibits use of SME resources */ 56 57 /* 58 * EXC_ARITHMETIC 59 */ 60 61 #define EXC_ARM_FP_UNDEFINED 0 /* Undefined Floating Point Exception */ 62 #define EXC_ARM_FP_IO 1 /* Invalid Floating Point Operation */ 63 #define EXC_ARM_FP_DZ 2 /* Floating Point Divide by Zero */ 64 #define EXC_ARM_FP_OF 3 /* Floating Point Overflow */ 65 #define EXC_ARM_FP_UF 4 /* Floating Point Underflow */ 66 #define EXC_ARM_FP_IX 5 /* Inexact Floating Point Result */ 67 #define EXC_ARM_FP_ID 6 /* Floating Point Denormal Input */ 68 69 /* 70 * EXC_BAD_ACCESS 71 * Note: do not conflict with kern_return_t values returned by vm_fault 72 */ 73 74 #define EXC_ARM_DA_ALIGN 0x101 /* Alignment Fault */ 75 #define EXC_ARM_DA_DEBUG 0x102 /* Debug (watch/break) Fault */ 76 #define EXC_ARM_SP_ALIGN 0x103 /* SP Alignment Fault */ 77 #define EXC_ARM_SWP 0x104 /* SWP instruction */ 78 #define EXC_ARM_PAC_FAIL 0x105 /* PAC authentication failure */ 79 80 81 /* 82 * EXC_BREAKPOINT 83 */ 84 85 #define EXC_ARM_BREAKPOINT 1 /* breakpoint trap */ 86 87 #endif /* defined (__arm__) || defined (__arm64__) */ 88 89 #endif /* _MACH_ARM_EXCEPTION_H_ */ 90