1 | /* |
2 | * Copyright (c) 2012-2013, 2015 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 _TASK_CORPSE_H_ |
30 | #define _TASK_CORPSE_H_ |
31 | |
32 | #include <stdint.h> |
33 | #include <mach/mach_types.h> |
34 | #include <kern/kern_cdata.h> |
35 | #include <kern/kcdata.h> |
36 | |
37 | typedef struct kcdata_item *task_crashinfo_item_t; |
38 | |
39 | /* Deprecated: use the KCDATA_* macros for all future use */ |
40 | #define CRASHINFO_ITEM_TYPE(item) KCDATA_ITEM_TYPE(item) |
41 | #define CRASHINFO_ITEM_SIZE(item) KCDATA_ITEM_SIZE(item) |
42 | #define CRASHINFO_ITEM_DATA_PTR(item) KCDATA_ITEM_DATA_PTR(item) |
43 | |
44 | #define (item) KCDATA_ITEM_NEXT_HEADER(item) |
45 | |
46 | #define CRASHINFO_ITEM_FOREACH(head) KCDATA_ITEM_FOREACH(head) |
47 | |
48 | |
49 | #ifndef KERNEL |
50 | #define task_crashinfo_get_data_with_desc kcdata_get_data_with_desc |
51 | |
52 | #endif /* KERNEL */ |
53 | |
54 | #ifdef XNU_KERNEL_PRIVATE |
55 | |
56 | #define CORPSEINFO_ALLOCATION_SIZE (1024 * 16) |
57 | #define TOTAL_CORPSES_ALLOWED 5 |
58 | #define TOTAL_USER_FAULTS_ALLOWED 1 |
59 | |
60 | |
61 | extern kern_return_t task_mark_corpse(task_t task); |
62 | |
63 | extern kern_return_t task_deliver_crash_notification(task_t, thread_t, exception_type_t, mach_exception_subcode_t); |
64 | |
65 | /* In the corpseinfo kcd_user_flags */ |
66 | #define CORPSE_CRASHINFO_HAS_REF 0x1 |
67 | #define CORPSE_CRASHINFO_USER_FAULT 0x2 |
68 | |
69 | extern kcdata_descriptor_t task_get_corpseinfo(task_t task); |
70 | |
71 | extern kcdata_descriptor_t task_crashinfo_alloc_init( |
72 | mach_vm_address_t crash_data_p, |
73 | unsigned size, uint32_t kc_u_flags, unsigned kc_flags); |
74 | extern kern_return_t task_crashinfo_destroy(kcdata_descriptor_t data); |
75 | |
76 | extern void corpses_init(void); |
77 | |
78 | extern unsigned long total_corpses_count(void); |
79 | extern boolean_t corpses_enabled(void); |
80 | |
81 | extern kern_return_t task_generate_corpse_internal( |
82 | task_t task, |
83 | task_t *corpse_task, |
84 | thread_t *thread, |
85 | exception_type_t etype, |
86 | mach_exception_data_type_t code, |
87 | mach_exception_data_type_t subcode, |
88 | void *reason); |
89 | |
90 | extern void task_clear_corpse(task_t task); |
91 | |
92 | extern kern_return_t task_duplicate_map_and_threads( |
93 | task_t task, |
94 | void *p, |
95 | task_t new_task, |
96 | thread_t *thread, |
97 | uint64_t **udata_buffer, |
98 | int *size, |
99 | int *num_udata); |
100 | |
101 | extern kern_return_t task_enqueue_exception_with_corpse( |
102 | task_t task, |
103 | exception_type_t etype, |
104 | mach_exception_data_t code, |
105 | mach_msg_type_number_t codeCnt, |
106 | void *reason); |
107 | |
108 | extern void task_add_to_corpse_task_list(task_t corpse_task); |
109 | void task_remove_from_corpse_task_list(task_t corpse_task); |
110 | void task_purge_all_corpses(void); |
111 | extern uint64_t task_corpse_get_crashed_thread_id(task_t corpse_task); |
112 | |
113 | #endif /* XNU_KERNEL_PRIVATE */ |
114 | |
115 | #endif /* _TASK_CORPSE_H_ */ |
116 | |