1 /* 2 * Copyright (c) 2021 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 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 26 */ 27 #ifndef _KCOV_STKSZ_DATA_H_ 28 #define _KCOV_STKSZ_DATA_H_ 29 30 #include <stdbool.h> 31 #include <mach/vm_types.h> 32 33 #if KERNEL_PRIVATE 34 35 #if CONFIG_STKSZ 36 37 /* 38 * Stack size monitor per-cpu data. 39 */ 40 typedef struct kcov_stksz_thread { 41 vm_offset_t kst_stack; /* thread stack override */ 42 uintptr_t kst_pc; /* last seen program counter */ 43 uint32_t kst_stksz; /* last seen stack size */ 44 uint32_t kst_stksz_prev; /* previous known stack size */ 45 bool kst_th_above; /* threshold */ 46 } kcov_stksz_thread_t; 47 48 #endif /* CONFIG_STKSZ */ 49 50 #endif /* KERNEL_PRIVATE */ 51 52 #endif /* _KCOV_STKSZ_DATA_H_ */ 53