]>
Commit | Line | Data |
---|---|---|
5ba3f43e A |
1 | /* |
2 | * Copyright (c) 2000-2016 Apple Inc. All rights reserved. | |
3 | * | |
4 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ | |
0a7de745 | 5 | * |
5ba3f43e A |
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. | |
0a7de745 | 14 | * |
5ba3f43e A |
15 | * Please obtain a copy of the License at |
16 | * http://www.opensource.apple.com/apsl/ and read it before using this file. | |
0a7de745 | 17 | * |
5ba3f43e A |
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. | |
0a7de745 | 25 | * |
5ba3f43e A |
26 | * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ |
27 | */ | |
28 | /* | |
29 | * @OSF_COPYRIGHT@ | |
30 | */ | |
0a7de745 | 31 | /* |
5ba3f43e A |
32 | * Mach Operating System |
33 | * Copyright (c) 1991,1990 Carnegie Mellon University | |
34 | * All Rights Reserved. | |
0a7de745 | 35 | * |
5ba3f43e A |
36 | * Permission to use, copy, modify and distribute this software and its |
37 | * documentation is hereby granted, provided that both the copyright | |
38 | * notice and this permission notice appear in all copies of the | |
39 | * software, derivative works or modified versions, and any portions | |
40 | * thereof, and that both notices appear in supporting documentation. | |
0a7de745 | 41 | * |
5ba3f43e A |
42 | * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" |
43 | * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR | |
44 | * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. | |
0a7de745 | 45 | * |
5ba3f43e | 46 | * Carnegie Mellon requests users of this software to return to |
0a7de745 | 47 | * |
5ba3f43e A |
48 | * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU |
49 | * School of Computer Science | |
50 | * Carnegie Mellon University | |
51 | * Pittsburgh PA 15213-3890 | |
0a7de745 | 52 | * |
5ba3f43e A |
53 | * any improvements or extensions that they make and grant Carnegie Mellon |
54 | * the rights to redistribute these changes. | |
55 | */ | |
56 | ||
57 | #include <kern/task.h> | |
58 | #include <kern/thread.h> | |
59 | #include <arm/misc_protos.h> | |
60 | ||
61 | extern zone_t ads_zone; | |
62 | ||
63 | kern_return_t | |
64 | machine_task_set_state( | |
0a7de745 A |
65 | task_t task, |
66 | int flavor, | |
67 | thread_state_t state, | |
68 | mach_msg_type_number_t state_count) | |
5ba3f43e A |
69 | { |
70 | switch (flavor) { | |
71 | case ARM_DEBUG_STATE: | |
72 | { | |
73 | arm_debug_state_t *tstate = (arm_debug_state_t *) state; | |
0a7de745 | 74 | |
5ba3f43e A |
75 | if (state_count != ARM_DEBUG_STATE_COUNT) { |
76 | return KERN_INVALID_ARGUMENT; | |
77 | } | |
0a7de745 | 78 | |
5ba3f43e A |
79 | if (task->task_debug == NULL) { |
80 | task->task_debug = zalloc(ads_zone); | |
0a7de745 | 81 | if (task->task_debug == NULL) { |
5ba3f43e | 82 | return KERN_FAILURE; |
0a7de745 | 83 | } |
5ba3f43e | 84 | } |
0a7de745 | 85 | |
5ba3f43e | 86 | copy_debug_state(tstate, (arm_debug_state_t*) task->task_debug, FALSE); |
0a7de745 | 87 | |
5ba3f43e A |
88 | return KERN_SUCCESS; |
89 | } | |
0a7de745 | 90 | case THREAD_STATE_NONE: /* Using this flavor to clear task_debug */ |
5ba3f43e A |
91 | { |
92 | if (task->task_debug != NULL) { | |
93 | zfree(ads_zone, task->task_debug); | |
94 | task->task_debug = NULL; | |
0a7de745 | 95 | |
5ba3f43e A |
96 | return KERN_SUCCESS; |
97 | } | |
98 | return KERN_FAILURE; | |
99 | } | |
100 | default: | |
0a7de745 | 101 | { |
5ba3f43e | 102 | return KERN_INVALID_ARGUMENT; |
0a7de745 | 103 | } |
5ba3f43e A |
104 | } |
105 | ||
106 | return KERN_FAILURE; | |
107 | } | |
108 | ||
0a7de745 A |
109 | kern_return_t |
110 | machine_task_get_state(task_t task, | |
111 | int flavor, | |
112 | thread_state_t state, | |
113 | mach_msg_type_number_t *state_count) | |
5ba3f43e A |
114 | { |
115 | switch (flavor) { | |
116 | case ARM_DEBUG_STATE: | |
117 | { | |
118 | arm_debug_state_t *tstate = (arm_debug_state_t *) state; | |
0a7de745 | 119 | |
5ba3f43e A |
120 | if (*state_count != ARM_DEBUG_STATE_COUNT) { |
121 | return KERN_INVALID_ARGUMENT; | |
122 | } | |
0a7de745 | 123 | |
5ba3f43e | 124 | if (task->task_debug == NULL) { |
0a7de745 | 125 | bzero(state, sizeof(*tstate)); |
5ba3f43e A |
126 | } else { |
127 | copy_debug_state((arm_debug_state_t*) task->task_debug, tstate, FALSE); /* FALSE OR TRUE doesn't matter since we are ignoring it for arm */ | |
0a7de745 A |
128 | } |
129 | ||
5ba3f43e A |
130 | return KERN_SUCCESS; |
131 | } | |
132 | default: | |
0a7de745 | 133 | { |
5ba3f43e | 134 | return KERN_INVALID_ARGUMENT; |
0a7de745 | 135 | } |
5ba3f43e A |
136 | } |
137 | return KERN_FAILURE; | |
138 | } | |
139 | ||
140 | void | |
141 | machine_task_terminate(task_t task) | |
142 | { | |
143 | if (task) { | |
144 | void *task_debug; | |
145 | ||
146 | task_debug = task->task_debug; | |
147 | if (task_debug != NULL) { | |
148 | task->task_debug = NULL; | |
149 | zfree(ads_zone, task_debug); | |
0a7de745 | 150 | } |
5ba3f43e A |
151 | } |
152 | } | |
153 | ||
154 | ||
155 | kern_return_t | |
156 | machine_thread_inherit_taskwide( | |
0a7de745 A |
157 | thread_t thread, |
158 | task_t parent_task) | |
5ba3f43e A |
159 | { |
160 | if (parent_task->task_debug) { | |
161 | int flavor; | |
162 | mach_msg_type_number_t count; | |
163 | ||
164 | flavor = ARM_DEBUG_STATE; | |
165 | count = ARM_DEBUG_STATE_COUNT; | |
166 | ||
167 | return machine_thread_set_state(thread, flavor, parent_task->task_debug, count); | |
168 | } | |
169 | ||
170 | return KERN_SUCCESS; | |
171 | } | |
172 | ||
173 | ||
174 | void | |
175 | machine_task_init(__unused task_t new_task, | |
0a7de745 A |
176 | __unused task_t parent_task, |
177 | __unused boolean_t memory_inherit) | |
178 | { | |
5ba3f43e | 179 | } |