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_region_range_np { 124 mach_vm_address_t srr_address; 125 mach_vm_size_t srr_size; 126 }; 127 128 #ifndef KERNEL 129 130 __BEGIN_DECLS 131 int shared_region_map_file_np(int fd, 132 uint32_t mappingCount, 133 const struct shared_file_mapping_np *mappings, 134 int64_t *slide_p); 135 int shared_region_make_private_np(uint32_t rangeCount, 136 const struct shared_region_range_np *ranges); 137 __END_DECLS 138 139 #endif /* !KERNEL */ 140 141 #endif /* _MACH_SHARED_MEMORY_SERVER_H_ */ 142