1*a1e26a70SApple OSS Distributions /* 2*a1e26a70SApple OSS Distributions * Copyright (c) 2000-2016 Apple Inc. All rights reserved. 3*a1e26a70SApple OSS Distributions * 4*a1e26a70SApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5*a1e26a70SApple OSS Distributions * 6*a1e26a70SApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code 7*a1e26a70SApple OSS Distributions * as defined in and that are subject to the Apple Public Source License 8*a1e26a70SApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in 9*a1e26a70SApple OSS Distributions * compliance with the License. The rights granted to you under the License 10*a1e26a70SApple OSS Distributions * may not be used to create, or enable the creation or redistribution of, 11*a1e26a70SApple OSS Distributions * unlawful or unlicensed copies of an Apple operating system, or to 12*a1e26a70SApple OSS Distributions * circumvent, violate, or enable the circumvention or violation of, any 13*a1e26a70SApple OSS Distributions * terms of an Apple operating system software license agreement. 14*a1e26a70SApple OSS Distributions * 15*a1e26a70SApple OSS Distributions * Please obtain a copy of the License at 16*a1e26a70SApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this file. 17*a1e26a70SApple OSS Distributions * 18*a1e26a70SApple OSS Distributions * The Original Code and all software distributed under the License are 19*a1e26a70SApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20*a1e26a70SApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21*a1e26a70SApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22*a1e26a70SApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23*a1e26a70SApple OSS Distributions * Please see the License for the specific language governing rights and 24*a1e26a70SApple OSS Distributions * limitations under the License. 25*a1e26a70SApple OSS Distributions * 26*a1e26a70SApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27*a1e26a70SApple OSS Distributions */ 28*a1e26a70SApple OSS Distributions 29*a1e26a70SApple OSS Distributions #ifndef _KERN_THREAD_KERNEL_STATE_H_ 30*a1e26a70SApple OSS Distributions 31*a1e26a70SApple OSS Distributions #include <vm/vm_kern.h> 32*a1e26a70SApple OSS Distributions 33*a1e26a70SApple OSS Distributions struct thread_kernel_state { 34*a1e26a70SApple OSS Distributions machine_thread_kernel_state machine; /* must be first */ 35*a1e26a70SApple OSS Distributions kern_allocation_name_t allocation_name; 36*a1e26a70SApple OSS Distributions } __attribute__((aligned(16))); 37*a1e26a70SApple OSS Distributions 38*a1e26a70SApple OSS Distributions typedef struct thread_kernel_state * thread_kernel_state_t; 39*a1e26a70SApple OSS Distributions 40*a1e26a70SApple OSS Distributions #define thread_get_kernel_state(thread) ((thread_kernel_state_t) \ 41*a1e26a70SApple OSS Distributions ((thread)->kernel_stack + kernel_stack_size - sizeof(struct thread_kernel_state))) 42*a1e26a70SApple OSS Distributions 43*a1e26a70SApple OSS Distributions #define thread_initialize_kernel_state(thread) \ 44*a1e26a70SApple OSS Distributions thread_get_kernel_state((thread))->allocation_name = NULL; 45*a1e26a70SApple OSS Distributions 46*a1e26a70SApple OSS Distributions #endif /* _KERN_THREAD_KERNEL_STATE_H_ */ 47