/* * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved. * * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. The rights granted to you under the License * may not be used to create, or enable the creation or redistribution of, * unlawful or unlicensed copies of an Apple operating system, or to * circumvent, violate, or enable the circumvention or violation of, any * terms of an Apple operating system software license agreement. * * Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ /* * * File: mach/shared_memory_server.h * * protos and struct definitions for shared library * server and interface */ /* * XXX * * NOTE: this file is deprecated and will be removed in the near future. * Any project that includes this file should be changed to: * 1. use <mach/shared_region.h> instead of this file, * 2. handle the new shared regions, now available on more platforms */ #ifndef _MACH_SHARED_MEMORY_SERVER_H_ #define _MACH_SHARED_MEMORY_SERVER_H_ #warning "<mach/shared_memory_server.h> is deprecated. Please use <mach/shared_region.h> instead." #include <sys/cdefs.h> #include <mach/vm_prot.h> #include <mach/vm_types.h> #include <mach/mach_types.h> #define VM_PROT_COW 0x8 /* must not interfere with normal prot assignments */ #define VM_PROT_ZF 0x10 /* must not interfere with normal prot assignments */ #define GLOBAL_SHARED_TEXT_SEGMENT 0x90000000U #define GLOBAL_SHARED_DATA_SEGMENT 0xA0000000U #define GLOBAL_SHARED_SEGMENT_MASK 0xF0000000U #define SHARED_TEXT_REGION_SIZE 0x10000000 #define SHARED_DATA_REGION_SIZE 0x10000000 #if !defined(__LP64__) #define SHARED_LIBRARY_SERVER_SUPPORTED #define SHARED_ALTERNATE_LOAD_BASE 0x09000000 /* * Note: the two masks below are useful because the assumption is * made that these shared regions will always be mapped on natural boundaries * i.e. if the size is 0x10000000 the object can be mapped at * 0x20000000, or 0x30000000, but not 0x1000000 */ #define SHARED_TEXT_REGION_MASK 0x0FFFFFFF #define SHARED_DATA_REGION_MASK 0x0FFFFFFF /* flags field aliases for copyin_shared_file and load_shared_file */ /* IN */ #define ALTERNATE_LOAD_SITE 0x1 #define NEW_LOCAL_SHARED_REGIONS 0x2 #define QUERY_IS_SYSTEM_REGION 0x4 /* OUT */ #define SF_PREV_LOADED 0x1 #define SYSTEM_REGION_BACKED 0x2 struct sf_mapping { vm_offset_t mapping_offset; vm_size_t size; vm_offset_t file_offset; vm_prot_t protection; /* read/write/execute/COW/ZF */ vm_offset_t cksum; }; typedef struct sf_mapping sf_mapping_t; #endif /* !defined(__LP64__) */ /* * All shared_region_* declarations are a private interface * between dyld and the kernel. * */ struct shared_file_mapping_np { mach_vm_address_t sfm_address; mach_vm_size_t sfm_size; mach_vm_offset_t sfm_file_offset; vm_prot_t sfm_max_prot; vm_prot_t sfm_init_prot; }; struct shared_region_range_np { mach_vm_address_t srr_address; mach_vm_size_t srr_size; }; #ifndef KERNEL __BEGIN_DECLS int shared_region_map_file_np(int fd, uint32_t mappingCount, const struct shared_file_mapping_np *mappings, int64_t *slide_p); int shared_region_make_private_np(uint32_t rangeCount, const struct shared_region_range_np *ranges); __END_DECLS #endif /* !KERNEL */ #endif /* _MACH_SHARED_MEMORY_SERVER_H_ */