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
48extern uint32_t dyld_pager_count;
49extern uint32_t dyld_pager_count_max;
50
51/*
52 * VM call to implement map_with_linking_np() system call.
53 */
54extern kern_return_t
55vm_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