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.h 32 * 33 * protos and definitions for dyld pager 34 */ 35 36 #ifndef _VM_DYLD_PAGER_H_ 37 #define _VM_DYLD_PAGER_H_ 38 39 #include <mach/dyld_pager.h> 40 41 #ifdef KERNEL_PRIVATE 42 #include <kern/kern_types.h> 43 #include <vm/vm_map.h> 44 45 #define MWL_MIN_LINK_INFO_SIZE sizeof(struct mwl_info_hdr) 46 #define MWL_MAX_LINK_INFO_SIZE (64 * 1024 * 1024) /* just a guess for now, may have to increase */ 47 48 extern uint32_t dyld_pager_count; 49 extern uint32_t dyld_pager_count_max; 50 51 /* 52 * VM call to implement map_with_linking_np() system call. 53 */ 54 extern kern_return_t 55 vm_map_with_linking( 56 task_t task, 57 struct mwl_region *regions, 58 uint32_t region_cnt, 59 void *link_info, 60 uint32_t link_info_size, 61 memory_object_control_t file_control); 62 63 #endif /* KERNEL_PRIVATE */ 64 65 #endif /* _VM_DYLD_PAGER_H_ */ 66