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
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25 *
26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27 */
28
29#ifndef _KERN_THREAD_KERNEL_STATE_H_
30
31#include <vm/vm_kern.h>
32
33struct thread_kernel_state {
34 machine_thread_kernel_state machine; /* must be first */
35 kern_allocation_name_t allocation_name;
36} __attribute__((aligned(16)));
37
38typedef 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