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 | |
35 | /* |
36 | * kas_info() ("Kernel Address Space Info") is a private interface that allows |
37 | * appropriately privileged system components to introspect the overall |
38 | * kernel address space layout. |
39 | */ |
40 | |
41 | __BEGIN_DECLS |
42 | |
43 | /* The slide of the main kernel compared to its static link address */ |
44 | #define KAS_INFO_KERNEL_TEXT_SLIDE_SELECTOR (0) /* returns uint64_t */ |
45 | #define KAS_INFO_KERNEL_SEGMENT_VMADDR_SELECTOR (1) |
46 | |
47 | /* Return the SPTM/TXM slide if on a system configured to run those images. */ |
48 | #define KAS_INFO_SPTM_TEXT_SLIDE_SELECTOR (2) /* returns uint64_t */ |
49 | #define KAS_INFO_TXM_TEXT_SLIDE_SELECTOR (3) /* returns uint64_t */ |
50 | #define KAS_INFO_MAX_SELECTOR (4) |
51 | |
52 | #ifndef KERNEL |
53 | |
54 | int kas_info(int selector, void *value, size_t *size) __OSX_AVAILABLE_STARTING(__MAC_10_8, __IPHONE_6_0); |
55 | |
56 | #endif /* KERNEL */ |
57 | |
58 | __END_DECLS |
59 | |
60 | #endif /* !_SYS_KAS_INFO_H_ */ |
61 | |