| | 1 | /* |
| | 2 | * Copyright (c) 2000-2004 Apple Computer, 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 | * @OSF_COPYRIGHT@ |
| | 30 | */ |
| | 31 | |
| | 32 | #ifndef _KERN_EXCEPTION_H_ |
| | 33 | #define _KERN_EXCEPTION_H_ |
| | 34 | |
| | 35 | #include <mach/mach_types.h> |
| | 36 | #include <mach/thread_status.h> |
| | 37 | #include <mach/exception_types.h> |
| | 38 | #include <kern/kern_types.h> |
| | 39 | #include <security/_label.h> |
| | 40 | |
| | 41 | /* |
| | 42 | * Common storage for exception actions. |
| | 43 | * There are arrays of these maintained at the activation, task, and host. |
| | 44 | */ |
| | 45 | struct exception_action { |
| | 46 | struct ipc_port * XNU_PTRAUTH_SIGNED_PTR("exception_action.port") port; /* exception port */ |
| | 47 | thread_state_flavor_t flavor; /* state flavor to send */ |
| | 48 | exception_behavior_t behavior; /* exception type to raise */ |
| | 49 | boolean_t privileged; /* survives ipc_task_reset */ |
| | 50 | struct label * XNU_PTRAUTH_SIGNED_PTR("exception_action.label") label; /* MAC label associated with action */ |
| | 51 | }; |
| | 52 | |
| | 53 | /* Initialize global state needed for exceptions. */ |
| | 54 | extern void exception_init(void); |
| | 55 | |
| | 56 | /* Make an up-call to a thread's exception server */ |
| | 57 | extern kern_return_t exception_triage( |
| | 58 | exception_type_t exception, |
| | 59 | mach_exception_data_t code, |
| | 60 | mach_msg_type_number_t codeCnt); |
| | 61 | |
| | 62 | extern kern_return_t exception_triage_thread( |
| | 63 | exception_type_t exception, |
| | 64 | mach_exception_data_t code, |
| | 65 | mach_msg_type_number_t codeCnt, |
| | 66 | thread_t thread); |
| | 67 | |
| | 68 | /* Notify system performance monitor */ |
| | 69 | extern kern_return_t sys_perf_notify(thread_t thread, int pid); |
| | 70 | |
| | 71 | /* Notify crash reporter */ |
| | 72 | extern kern_return_t task_exception_notify(exception_type_t exception, |
| | 73 | mach_exception_data_type_t code, mach_exception_data_type_t subcode); |
| | 74 | |
| | 75 | #endif /* _KERN_EXCEPTION_H_ */ |
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