X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/d7e50217d7adf6e52786a38bcaa4cd698cb9a79e..527f99514973766e9c0382a4d8550dfb00f54939:/osfmk/mach/shared_memory_server.h diff --git a/osfmk/mach/shared_memory_server.h b/osfmk/mach/shared_memory_server.h index 03195e2c5..bd792319c 100644 --- a/osfmk/mach/shared_memory_server.h +++ b/osfmk/mach/shared_memory_server.h @@ -1,16 +1,19 @@ /* - * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. + * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved. * - * @APPLE_LICENSE_HEADER_START@ - * - * Copyright (c) 1999-2003 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. Please obtain a copy of the License at - * http://www.opensource.apple.com/apsl/ and read it before using this - * file. + * 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 @@ -20,7 +23,7 @@ * Please see the License for the specific language governing rights and * limitations under the License. * - * @APPLE_LICENSE_HEADER_END@ + * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ /* * @@ -29,17 +32,50 @@ * 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 +#include + +#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_TEXT_REGION_SIZE 0x10000000 -#define SHARED_DATA_REGION_SIZE 0x10000000 -#define SHARED_ALTERNATE_LOAD_BASE 0x9000000 +#define SHARED_ALTERNATE_LOAD_BASE 0x09000000 /* * Note: the two masks below are useful because the assumption is @@ -47,14 +83,13 @@ * 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 -#include - -#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 */ @@ -69,12 +104,6 @@ #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; @@ -82,7 +111,39 @@ struct sf_mapping { 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_ */