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