1 | /* |
2 | * Copyright (c) 2000-2016 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 _KERN_THREAD_KERNEL_STATE_H_ |
30 | |
31 | #include <vm/vm_kern.h> |
32 | |
33 | struct thread_kernel_state { |
34 | machine_thread_kernel_state machine; /* must be first */ |
35 | kern_allocation_name_t allocation_name; |
36 | } __attribute__((aligned(16))); |
37 | |
38 | typedef struct thread_kernel_state * thread_kernel_state_t; |
39 | |
40 | #define thread_get_kernel_state(thread) ((thread_kernel_state_t) \ |
41 | ((thread)->kernel_stack + kernel_stack_size - sizeof(struct thread_kernel_state))) |
42 | |
43 | #define thread_initialize_kernel_state(thread) \ |
44 | thread_get_kernel_state((thread))->allocation_name = NULL; |
45 | |
46 | #endif /* _KERN_THREAD_KERNEL_STATE_H_ */ |
47 | |