X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/8f6c56a50524aa785f7e596d52dddfb331e18961..0a7de7458d150b5d4dffc935ba399be265ef0a1a:/osfmk/mach/shared_memory_server.h diff --git a/osfmk/mach/shared_memory_server.h b/osfmk/mach/shared_memory_server.h index 7d2f103b2..c4eeb4726 100644 --- a/osfmk/mach/shared_memory_server.h +++ b/osfmk/mach/shared_memory_server.h @@ -2,7 +2,7 @@ * 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 @@ -11,10 +11,10 @@ * 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, @@ -22,19 +22,31 @@ * 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 + * 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 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 " is deprecated. Please use instead." + #include #include #include @@ -43,28 +55,41 @@ #define VM_PROT_COW 0x8 /* must not interfere with normal prot assignments */ #define VM_PROT_ZF 0x10 /* must not interfere with normal prot assignments */ +#ifdef __arm__ +#define GLOBAL_SHARED_TEXT_SEGMENT 0x30000000U +#define GLOBAL_SHARED_DATA_SEGMENT 0x38000000U +#define GLOBAL_SHARED_SEGMENT_MASK 0xF8000000U + +#define SHARED_TEXT_REGION_SIZE 0x08000000 +#define SHARED_DATA_REGION_SIZE 0x08000000 +#else +#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 +#endif #if !defined(__LP64__) -#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_LIBRARY_SERVER_SUPPORTED -#define SHARED_TEXT_REGION_SIZE 0x10000000 -#define SHARED_DATA_REGION_SIZE 0x10000000 -#define SHARED_ALTERNATE_LOAD_BASE 0x09000000 +#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 +/* + * 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 - -#define SHARED_LIB_ALIAS 0x10 +#ifdef __arm__ +#define SHARED_TEXT_REGION_MASK 0x07FFFFFF +#define SHARED_DATA_REGION_MASK 0x07FFFFFF +#else +#define SHARED_TEXT_REGION_MASK 0x0FFFFFFF +#define SHARED_DATA_REGION_MASK 0x0FFFFFFF +#endif /* flags field aliases for copyin_shared_file and load_shared_file */ @@ -72,7 +97,7 @@ /* IN */ #define ALTERNATE_LOAD_SITE 0x1 #define NEW_LOCAL_SHARED_REGIONS 0x2 -#define QUERY_IS_SYSTEM_REGION 0x4 +#define QUERY_IS_SYSTEM_REGION 0x4 /* OUT */ #define SF_PREV_LOADED 0x1 @@ -80,53 +105,43 @@ 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; + 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; -#ifndef KERNEL -/* load_shared_file and friends is deprecated */ -__BEGIN_DECLS -int load_shared_file(char *, caddr_t, u_long, - caddr_t *, int, sf_mapping_t *, int *); -int reset_shared_file(caddr_t *, int, sf_mapping_t *); -int new_system_shared_regions(void); -__END_DECLS -#endif /* !KERNEL */ - #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; + 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; + 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); +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 */