xref: /xnu-12377.1.9/bsd/sys/kas_info.h (revision f6217f891ac0bb64f3d375211650a4c1ff8ca1ea)
1*f6217f89SApple OSS Distributions /*
2*f6217f89SApple OSS Distributions  * Copyright (c) 2011 Apple Inc. All rights reserved.
3*f6217f89SApple OSS Distributions  *
4*f6217f89SApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5*f6217f89SApple OSS Distributions  *
6*f6217f89SApple OSS Distributions  * This file contains Original Code and/or Modifications of Original Code
7*f6217f89SApple OSS Distributions  * as defined in and that are subject to the Apple Public Source License
8*f6217f89SApple OSS Distributions  * Version 2.0 (the 'License'). You may not use this file except in
9*f6217f89SApple OSS Distributions  * compliance with the License. The rights granted to you under the License
10*f6217f89SApple OSS Distributions  * may not be used to create, or enable the creation or redistribution of,
11*f6217f89SApple OSS Distributions  * unlawful or unlicensed copies of an Apple operating system, or to
12*f6217f89SApple OSS Distributions  * circumvent, violate, or enable the circumvention or violation of, any
13*f6217f89SApple OSS Distributions  * terms of an Apple operating system software license agreement.
14*f6217f89SApple OSS Distributions  *
15*f6217f89SApple OSS Distributions  * Please obtain a copy of the License at
16*f6217f89SApple OSS Distributions  * http://www.opensource.apple.com/apsl/ and read it before using this file.
17*f6217f89SApple OSS Distributions  *
18*f6217f89SApple OSS Distributions  * The Original Code and all software distributed under the License are
19*f6217f89SApple OSS Distributions  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20*f6217f89SApple OSS Distributions  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21*f6217f89SApple OSS Distributions  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22*f6217f89SApple OSS Distributions  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23*f6217f89SApple OSS Distributions  * Please see the License for the specific language governing rights and
24*f6217f89SApple OSS Distributions  * limitations under the License.
25*f6217f89SApple OSS Distributions  *
26*f6217f89SApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27*f6217f89SApple OSS Distributions  */
28*f6217f89SApple OSS Distributions 
29*f6217f89SApple OSS Distributions #ifndef _SYS_KAS_INFO_H_
30*f6217f89SApple OSS Distributions #define _SYS_KAS_INFO_H_
31*f6217f89SApple OSS Distributions 
32*f6217f89SApple OSS Distributions #include <sys/cdefs.h>
33*f6217f89SApple OSS Distributions #include <Availability.h>
34*f6217f89SApple OSS Distributions #include <stddef.h>
35*f6217f89SApple OSS Distributions 
36*f6217f89SApple OSS Distributions /*
37*f6217f89SApple OSS Distributions  * kas_info() ("Kernel Address Space Info") is a private interface that allows
38*f6217f89SApple OSS Distributions  * appropriately privileged system components to introspect the overall
39*f6217f89SApple OSS Distributions  * kernel address space layout.
40*f6217f89SApple OSS Distributions  */
41*f6217f89SApple OSS Distributions 
42*f6217f89SApple OSS Distributions __BEGIN_DECLS
43*f6217f89SApple OSS Distributions 
44*f6217f89SApple OSS Distributions /* The slide of the main kernel compared to its static link address */
45*f6217f89SApple OSS Distributions #define KAS_INFO_KERNEL_TEXT_SLIDE_SELECTOR     (0) /* returns uint64_t */
46*f6217f89SApple OSS Distributions #define KAS_INFO_KERNEL_SEGMENT_VMADDR_SELECTOR (1)
47*f6217f89SApple OSS Distributions 
48*f6217f89SApple OSS Distributions /* Return the SPTM/TXM slide if on a system configured to run those images. */
49*f6217f89SApple OSS Distributions #define KAS_INFO_SPTM_TEXT_SLIDE_SELECTOR       (2) /* returns uint64_t */
50*f6217f89SApple OSS Distributions #define KAS_INFO_TXM_TEXT_SLIDE_SELECTOR        (3) /* returns uint64_t */
51*f6217f89SApple OSS Distributions #define KAS_INFO_MAX_SELECTOR                   (4)
52*f6217f89SApple OSS Distributions 
53*f6217f89SApple OSS Distributions #ifndef KERNEL
54*f6217f89SApple OSS Distributions 
55*f6217f89SApple OSS Distributions int kas_info(int selector, void *value, size_t *size) __OSX_AVAILABLE_STARTING(__MAC_10_8, __IPHONE_6_0);
56*f6217f89SApple OSS Distributions 
57*f6217f89SApple OSS Distributions #endif /* KERNEL */
58*f6217f89SApple OSS Distributions 
59*f6217f89SApple OSS Distributions __END_DECLS
60*f6217f89SApple OSS Distributions 
61*f6217f89SApple OSS Distributions #endif  /* !_SYS_KAS_INFO_H_ */
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