| 1 | /*␊ |
| 2 | * Copyright (c) 2000-2005 Apple Computer, 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 | *␉File: mach/shared_memory_server.h␊ |
| 31 | *␊ |
| 32 | * ␉protos and struct definitions for shared library␊ |
| 33 | *␉server and interface␊ |
| 34 | */␊ |
| 35 | ␊ |
| 36 | /*␊ |
| 37 | * XXX␊ |
| 38 | * ␊ |
| 39 | * NOTE: this file is deprecated and will be removed in the near future.␊ |
| 40 | * Any project that includes this file should be changed to:␊ |
| 41 | * 1. use <mach/shared_region.h> instead of this file,␊ |
| 42 | * 2. handle the new shared regions, now available on more platforms␊ |
| 43 | */␊ |
| 44 | ␊ |
| 45 | #ifndef _MACH_SHARED_MEMORY_SERVER_H_␊ |
| 46 | #define _MACH_SHARED_MEMORY_SERVER_H_␊ |
| 47 | ␊ |
| 48 | #warning "<mach/shared_memory_server.h> is deprecated. Please use <mach/shared_region.h> instead."␊ |
| 49 | ␊ |
| 50 | #include <sys/cdefs.h>␊ |
| 51 | #include <mach/vm_prot.h>␊ |
| 52 | #include <mach/vm_types.h>␊ |
| 53 | #include <mach/mach_types.h>␊ |
| 54 | ␊ |
| 55 | #define VM_PROT_COW 0x8 /* must not interfere with normal prot assignments */␊ |
| 56 | #define VM_PROT_ZF 0x10 /* must not interfere with normal prot assignments */␊ |
| 57 | ␊ |
| 58 | #ifdef␉__arm__␊ |
| 59 | #define GLOBAL_SHARED_TEXT_SEGMENT␉0x30000000U␊ |
| 60 | #define GLOBAL_SHARED_DATA_SEGMENT␉0x38000000U␊ |
| 61 | #define GLOBAL_SHARED_SEGMENT_MASK␉0xF8000000U␊ |
| 62 | ␊ |
| 63 | #define␉SHARED_TEXT_REGION_SIZE␉␉0x08000000␊ |
| 64 | #define␉SHARED_DATA_REGION_SIZE␉␉0x08000000␊ |
| 65 | #else␊ |
| 66 | #define GLOBAL_SHARED_TEXT_SEGMENT␉0x90000000U␊ |
| 67 | #define GLOBAL_SHARED_DATA_SEGMENT␉0xA0000000U␊ |
| 68 | #define GLOBAL_SHARED_SEGMENT_MASK␉0xF0000000U␊ |
| 69 | ␊ |
| 70 | #define␉SHARED_TEXT_REGION_SIZE␉␉0x10000000␊ |
| 71 | #define␉SHARED_DATA_REGION_SIZE␉␉0x10000000␊ |
| 72 | #endif␊ |
| 73 | ␊ |
| 74 | #if !defined(__LP64__)␊ |
| 75 | ␊ |
| 76 | #define␉SHARED_LIBRARY_SERVER_SUPPORTED␊ |
| 77 | ␊ |
| 78 | #define␉SHARED_ALTERNATE_LOAD_BASE␉0x09000000␊ |
| 79 | ␊ |
| 80 | /* ␊ |
| 81 | * Note: the two masks below are useful because the assumption is ␊ |
| 82 | * made that these shared regions will always be mapped on natural boundaries ␊ |
| 83 | * i.e. if the size is 0x10000000 the object can be mapped at ␊ |
| 84 | * 0x20000000, or 0x30000000, but not 0x1000000␊ |
| 85 | */␊ |
| 86 | #ifdef␉__arm__␊ |
| 87 | #define␉SHARED_TEXT_REGION_MASK␉␉0x07FFFFFF␊ |
| 88 | #define␉SHARED_DATA_REGION_MASK␉␉0x07FFFFFF␊ |
| 89 | #else␊ |
| 90 | #define␉SHARED_TEXT_REGION_MASK␉␉0x0FFFFFFF␊ |
| 91 | #define␉SHARED_DATA_REGION_MASK␉␉0x0FFFFFFF␊ |
| 92 | #endif␊ |
| 93 | ␊ |
| 94 | ␊ |
| 95 | /* flags field aliases for copyin_shared_file and load_shared_file */␊ |
| 96 | ␊ |
| 97 | /* IN */␊ |
| 98 | #define ALTERNATE_LOAD_SITE 0x1␊ |
| 99 | #define NEW_LOCAL_SHARED_REGIONS 0x2␊ |
| 100 | #define␉QUERY_IS_SYSTEM_REGION 0x4␊ |
| 101 | ␊ |
| 102 | /* OUT */␊ |
| 103 | #define SF_PREV_LOADED 0x1␊ |
| 104 | #define SYSTEM_REGION_BACKED 0x2␊ |
| 105 | ␊ |
| 106 | ␊ |
| 107 | struct sf_mapping {␊ |
| 108 | ␉vm_offset_t␉mapping_offset;␊ |
| 109 | ␉vm_size_t␉size;␊ |
| 110 | ␉vm_offset_t␉file_offset;␊ |
| 111 | ␉vm_prot_t␉protection; /* read/write/execute/COW/ZF */␊ |
| 112 | ␉vm_offset_t␉cksum;␊ |
| 113 | };␊ |
| 114 | typedef struct sf_mapping sf_mapping_t;␊ |
| 115 | ␊ |
| 116 | #endif /* !defined(__LP64__) */␊ |
| 117 | ␊ |
| 118 | /* ␊ |
| 119 | * All shared_region_* declarations are a private interface␊ |
| 120 | * between dyld and the kernel.␊ |
| 121 | *␊ |
| 122 | */␊ |
| 123 | struct shared_file_mapping_np {␊ |
| 124 | ␉mach_vm_address_t␉sfm_address;␊ |
| 125 | ␉mach_vm_size_t␉␉sfm_size;␊ |
| 126 | ␉mach_vm_offset_t␉sfm_file_offset;␊ |
| 127 | ␉vm_prot_t␉␉sfm_max_prot;␊ |
| 128 | ␉vm_prot_t␉␉sfm_init_prot;␊ |
| 129 | };␊ |
| 130 | ␊ |
| 131 | struct shared_region_range_np {␊ |
| 132 | ␉mach_vm_address_t␉srr_address;␊ |
| 133 | ␉mach_vm_size_t␉␉srr_size;␊ |
| 134 | };␊ |
| 135 | ␊ |
| 136 | ␊ |
| 137 | __BEGIN_DECLS␊ |
| 138 | int␉shared_region_map_file_np(int fd,␊ |
| 139 | ␉␉␉␉ uint32_t mappingCount,␊ |
| 140 | ␉␉␉␉ const struct shared_file_mapping_np *mappings,␊ |
| 141 | ␉␉␉␉ int64_t *slide_p);␊ |
| 142 | int␉shared_region_make_private_np(uint32_t rangeCount,␊ |
| 143 | ␉␉␉␉ const struct shared_region_range_np *ranges);␊ |
| 144 | __END_DECLS␊ |
| 145 | ␊ |
| 146 | ␊ |
| 147 | #endif /* _MACH_SHARED_MEMORY_SERVER_H_ */␊ |
| 148 | |
