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#define GLOBAL_SHARED_TEXT_SEGMENT 0x90000000U 59#define GLOBAL_SHARED_DATA_SEGMENT 0xA0000000U 60#define GLOBAL_SHARED_SEGMENT_MASK 0xF0000000U 61 62#define SHARED_TEXT_REGION_SIZE 0x10000000 63#define SHARED_DATA_REGION_SIZE 0x10000000 64 65#if !defined(__LP64__) 66 67#define SHARED_LIBRARY_SERVER_SUPPORTED 68 69#define SHARED_ALTERNATE_LOAD_BASE 0x09000000 70 71/* 72 * Note: the two masks below are useful because the assumption is 73 * made that these shared regions will always be mapped on natural boundaries 74 * i.e. if the size is 0x10000000 the object can be mapped at 75 * 0x20000000, or 0x30000000, but not 0x1000000 76 */ 77#define SHARED_TEXT_REGION_MASK 0x0FFFFFFF 78#define SHARED_DATA_REGION_MASK 0x0FFFFFFF 79 80 81/* flags field aliases for copyin_shared_file and load_shared_file */ 82 83/* IN */ 84#define ALTERNATE_LOAD_SITE 0x1 85#define NEW_LOCAL_SHARED_REGIONS 0x2 86#define QUERY_IS_SYSTEM_REGION 0x4 87 88/* OUT */ 89#define SF_PREV_LOADED 0x1 90#define SYSTEM_REGION_BACKED 0x2 91 92 93struct sf_mapping { 94 vm_offset_t mapping_offset; 95 vm_size_t size; 96 vm_offset_t file_offset; 97 vm_prot_t protection; /* read/write/execute/COW/ZF */ 98 vm_offset_t cksum; 99}; 100typedef struct sf_mapping sf_mapping_t; 101 102#endif /* !defined(__LP64__) */ 103 104/* 105 * All shared_region_* declarations are a private interface 106 * between dyld and the kernel. 107 * 108 */ 109struct shared_file_mapping_np { 110 mach_vm_address_t sfm_address; 111 mach_vm_size_t sfm_size; 112 mach_vm_offset_t sfm_file_offset; 113 vm_prot_t sfm_max_prot; 114 vm_prot_t sfm_init_prot; 115}; 116 117struct shared_region_range_np { 118 mach_vm_address_t srr_address; 119 mach_vm_size_t srr_size; 120}; 121 122#ifndef KERNEL 123 124__BEGIN_DECLS 125int shared_region_map_file_np(int fd, 126 uint32_t mappingCount, 127 const struct shared_file_mapping_np *mappings, 128 int64_t *slide_p); 129int shared_region_make_private_np(uint32_t rangeCount, 130 const struct shared_region_range_np *ranges); 131__END_DECLS 132 133#endif /* !KERNEL */ 134 135#endif /* _MACH_SHARED_MEMORY_SERVER_H_ */ 136