1 /* 2 * Copyright (c) 2011 Apple Inc. All rights reserved. 3 * 4 * @APPLE_OSREFERENCE_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. The rights granted to you under the License 10 * may not be used to create, or enable the creation or redistribution of, 11 * unlawful or unlicensed copies of an Apple operating system, or to 12 * circumvent, violate, or enable the circumvention or violation of, any 13 * terms of an Apple operating system software license agreement. 14 * 15 * Please obtain a copy of the License at 16 * http://www.opensource.apple.com/apsl/ and read it before using this file. 17 * 18 * The Original Code and all software distributed under the License are 19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23 * Please see the License for the specific language governing rights and 24 * limitations under the License. 25 * 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27 */ 28 29 #ifndef _SYS_KAS_INFO_H_ 30 #define _SYS_KAS_INFO_H_ 31 32 #include <sys/cdefs.h> 33 #include <Availability.h> 34 #include <stddef.h> 35 36 /* 37 * kas_info() ("Kernel Address Space Info") is a private interface that allows 38 * appropriately privileged system components to introspect the overall 39 * kernel address space layout. 40 */ 41 42 __BEGIN_DECLS 43 44 /* The slide of the main kernel compared to its static link address */ 45 #define KAS_INFO_KERNEL_TEXT_SLIDE_SELECTOR (0) /* returns uint64_t */ 46 #define KAS_INFO_KERNEL_SEGMENT_VMADDR_SELECTOR (1) 47 48 /* Return the SPTM/TXM slide if on a system configured to run those images. */ 49 #define KAS_INFO_SPTM_TEXT_SLIDE_SELECTOR (2) /* returns uint64_t */ 50 #define KAS_INFO_TXM_TEXT_SLIDE_SELECTOR (3) /* returns uint64_t */ 51 #define KAS_INFO_MAX_SELECTOR (4) 52 53 #ifndef KERNEL 54 55 int kas_info(int selector, void *value, size_t *size) __OSX_AVAILABLE_STARTING(__MAC_10_8, __IPHONE_6_0); 56 57 #endif /* KERNEL */ 58 59 __END_DECLS 60 61 #endif /* !_SYS_KAS_INFO_H_ */ 62