/* * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * The contents of this file constitute Original Code as defined in and * are subject to the Apple Public Source License Version 1.1 (the * "License"). You may not use this file except in compliance with the * License. Please obtain a copy of the License at * http://www.apple.com/publicsource and read it before using this file. * * This 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 OR NON-INFRINGEMENT. Please see the * License for the specific language governing rights and limitations * under the License. * * @APPLE_LICENSE_HEADER_END@ */ /* * * File: mach/shared_memory_server.h * * protos and struct definitions for shared library * server and interface */ #ifndef _MACH_SHARED_MEMORY_SERVER_H_ #define _MACH_SHARED_MEMORY_SERVER_H_ #define SHARED_LIBRARY_SERVER_SUPPORTED #define GLOBAL_SHARED_TEXT_SEGMENT 0x90000000 #define GLOBAL_SHARED_DATA_SEGMENT 0xA0000000 #define GLOBAL_SHARED_SEGMENT_MASK 0xF0000000 #define SHARED_TEXT_REGION_SIZE 0x10000000 #define SHARED_DATA_REGION_SIZE 0x10000000 #define SHARED_ALTERNATE_LOAD_BASE 0x9000000 /* * 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 0xFFFFFFF #define SHARED_DATA_REGION_MASK 0xFFFFFFF #include <mach/vm_prot.h> #include <mach/mach_types.h> #define SHARED_LIB_ALIAS 0x10 /* 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 #define load_file_hash(file_object, size) \ ((((natural_t)file_object) & 0xffffff) % size) #define VM_PROT_COW 0x8 /* must not interfere with normal prot assignments */ #define VM_PROT_ZF 0x10 /* must not interfere with normal prot assignments */ 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 /* _MACH_SHARED_MEMORY_SERVER_H_ */