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/* * Copyright (c) 2022 Apple Inc. All rights reserved. * * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. The rights granted to you under the License * may not be used to create, or enable the creation or redistribution of, * unlawful or unlicensed copies of an Apple operating system, or to * circumvent, violate, or enable the circumvention or violation of, any * terms of an Apple operating system software license agreement. * * Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ #include <kern/turnstile.h> #include <kern/kalloc.h> ZONE_DECLARE_ID(ZONE_ID_TURNSTILE, struct turnstile); #if DEBUG || DEVELOPMENT /* * Make sure the various allocators work with bound checking. */ extern void zalloc_bound_checks(void); extern void kalloc_type_bound_checks(void); extern void kalloc_data_bound_checks(void); void zalloc_bound_checks(void) { struct turnstile *__single ts = zalloc_id(ZONE_ID_TURNSTILE, Z_WAITOK); zfree_id(ZONE_ID_TURNSTILE, ts); } void kalloc_data_bound_checks(void) { int *__single i; int *__bidi_indexable a; void *__bidi_indexable d; d = kalloc_data(10, Z_WAITOK); kfree_data(d, 10); i = kalloc_type(int, Z_WAITOK); kfree_type(int, i); a = kalloc_type(int, 10, Z_WAITOK); a = krealloc_type(int, 10, 20, a, Z_WAITOK | Z_REALLOCF); kfree_type(int, 20, a); a = kalloc_type(int, int, 10, Z_WAITOK); a = krealloc_type(int, int, 10, 20, a, Z_WAITOK | Z_REALLOCF); kfree_type(int, int, 20, a); } void kalloc_type_bound_checks(void) { struct turnstile *__single ts; struct turnstile *__bidi_indexable ts_a; ts = kalloc_type(struct turnstile, Z_WAITOK); kfree_type(struct turnstile, ts); ts_a = kalloc_type(struct turnstile, 10, Z_WAITOK); ts_a = krealloc_type(struct turnstile, 10, 20, ts_a, Z_WAITOK | Z_REALLOCF); kfree_type(struct turnstile, 20, ts_a); ts_a = kalloc_type(struct turnstile, struct turnstile, 10, Z_WAITOK); ts_a = krealloc_type(struct turnstile, struct turnstile, 10, 20, ts_a, Z_WAITOK | Z_REALLOCF); kfree_type(struct turnstile, struct turnstile, 20, ts_a); } #endif /* DEBUG || DEVELOPMENT */ |