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	1	/*
	2	* Copyright (c) 2007 Apple Inc. All rights reserved.
	3	*
	4	* @APPLE_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. Please obtain a copy of the License at
	10	* http://www.opensource.apple.com/apsl/ and read it before using this
	11	* file.
	12	*
	13	* The Original Code and all software distributed under the License are
	14	* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
	15	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
	16	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
	17	* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
	18	* Please see the License for the specific language governing rights and
	19	* limitations under the License.
	20	*
	21	* @APPLE_LICENSE_HEADER_END@
	22	*/
	23	/*
	24	*
	25	* File: mach/shared_region.h
	26	*
	27	* protos and struct definitions for shared region
	28	*/
	29
	30	#ifndef _MACH_SHARED_REGION_H_
	31	#define _MACH_SHARED_REGION_H_
	32
	33	#include <sys/cdefs.h>
	34	#include <mach/vm_prot.h>
	35	#include <mach/vm_types.h>
	36	#include <mach/mach_types.h>
	37
	38	#define SHARED_REGION_BASE_I386 0x90000000ULL
	39	#define SHARED_REGION_SIZE_I386 0x20000000ULL
	40	#define SHARED_REGION_NESTING_BASE_I386 0x90000000ULL
	41	#define SHARED_REGION_NESTING_SIZE_I386 0x20000000ULL
	42	#define SHARED_REGION_NESTING_MIN_I386 0x00020000ULL
	43	#define SHARED_REGION_NESTING_MAX_I386 0xFFFE0000ULL
	44
	45	#define SHARED_REGION_BASE_X86_64 0x00007FFF60000000ULL
	46	#define SHARED_REGION_SIZE_X86_64 0x000000009FE00000ULL
	47	#define SHARED_REGION_NESTING_BASE_X86_64 0x00007FFF60000000ULL
	48	#define SHARED_REGION_NESTING_SIZE_X86_64 0x000000009FE00000ULL
	49	#define SHARED_REGION_NESTING_MIN_X86_64 0x0000000000020000ULL
	50	#define SHARED_REGION_NESTING_MAX_X86_64 0xFFFFFFFFFFFE0000ULL
	51
	52	#define SHARED_REGION_BASE_PPC 0x90000000ULL
	53	#define SHARED_REGION_SIZE_PPC 0x20000000ULL
	54	#define SHARED_REGION_NESTING_BASE_PPC 0x90000000ULL
	55	#define SHARED_REGION_NESTING_SIZE_PPC 0x10000000ULL
	56	#define SHARED_REGION_NESTING_MIN_PPC 0x10000000ULL
	57	#define SHARED_REGION_NESTING_MAX_PPC 0x10000000ULL
	58
	59	#define SHARED_REGION_BASE_PPC64 0x00007FFF60000000ULL
	60	#define SHARED_REGION_SIZE_PPC64 0x00000000A0000000ULL
	61	#define SHARED_REGION_NESTING_BASE_PPC64 0x00007FFF60000000ULL
	62	#define SHARED_REGION_NESTING_SIZE_PPC64 0x00000000A0000000ULL
	63	#define SHARED_REGION_NESTING_MIN_PPC64 0x0000000010000000ULL
	64	#define SHARED_REGION_NESTING_MAX_PPC64 0x0000000010000000ULL
	65
	66	#define SHARED_REGION_BASE_ARM 0x30000000ULL
	67	#define SHARED_REGION_SIZE_ARM 0x10000000ULL
	68	#define SHARED_REGION_NESTING_BASE_ARM 0x30000000ULL
	69	#define SHARED_REGION_NESTING_SIZE_ARM 0x08000000ULL
	70	#define SHARED_REGION_NESTING_MIN_ARM ?
	71	#define SHARED_REGION_NESTING_MAX_ARM ?
	72
	73	/*
	74	* All shared_region_* declarations are a private interface
	75	* between dyld and the kernel.
	76	*
	77	*/
	78	struct shared_file_mapping_np {
	79	mach_vm_address_t sfm_address;
	80	mach_vm_size_t sfm_size;
	81	mach_vm_offset_t sfm_file_offset;
	82	vm_prot_t sfm_max_prot;
	83	vm_prot_t sfm_init_prot;
	84	};
	85	#define VM_PROT_COW 0x8 /* must not interfere with normal prot assignments */
	86	#define VM_PROT_ZF 0x10 /* must not interfere with normal prot assignments */
	87
	88	#ifndef KERNEL
	89
	90	__BEGIN_DECLS
	91	int shared_region_check_np(uint64_t *startaddress);
	92	int shared_region_map_np(int fd,
	93	uint32_t mappingCount,
	94	const struct shared_file_mapping_np *mappings);
	95	__END_DECLS
	96
	97	#endif /* !KERNEL */
	98
	99	#endif /* _MACH_SHARED_REGION_H_ */