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 * 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27 */ 28 29 /* 30 * 31 * File: vm/vm_dyld_pager_internal.h 32 * 33 * protos and definitions for dyld pager 34 */ 35 36 #ifndef _VM_DYLD_PAGER_INTERNAL_H_ 37 #define _VM_DYLD_PAGER_INTERNAL_H_ 38 39 #ifdef XNU_KERNEL_PRIVATE 40 #include <vm/vm_dyld_pager.h> 41 42 extern uint32_t dyld_pager_count; 43 extern uint32_t dyld_pager_count_max; 44 extern const struct memory_object_pager_ops dyld_pager_ops; 45 46 /* 47 * VM call to implement map_with_linking_np() system call. 48 */ 49 extern kern_return_t 50 vm_map_with_linking( 51 task_t task, 52 struct mwl_region *regions, 53 uint32_t region_cnt, 54 void **link_info, 55 uint32_t link_info_size, 56 memory_object_control_t file_control); 57 58 struct vm_map_with_linking_stats { 59 uint64_t vmwls_total_success; 60 uint64_t vmwls_total_fail; 61 uint64_t vmwls_overflow; 62 uint64_t vmwls_bad_offset; 63 uint64_t vmwls_bad_addr; 64 uint64_t vmwls_bad_prot; 65 uint64_t vmwls_bad_file; 66 uint64_t vmwls_bad_shadows; 67 uint64_t vmwls_bad_cow; 68 }; 69 extern struct vm_map_with_linking_stats vm_map_with_linking_stats; 70 71 #endif /* KERNEL_PRIVATE */ 72 73 #endif /* _VM_DYLD_PAGER_INTERNAL_H_ */ 74