xref: /xnu-12377.81.4/bsd/sys/kas_info.h (revision 043036a2b3718f7f0be807e2870f8f47d3fa0796)
1*043036a2SApple OSS Distributions /*
2*043036a2SApple OSS Distributions  * Copyright (c) 2011 Apple Inc. All rights reserved.
3*043036a2SApple OSS Distributions  *
4*043036a2SApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5*043036a2SApple OSS Distributions  *
6*043036a2SApple OSS Distributions  * This file contains Original Code and/or Modifications of Original Code
7*043036a2SApple OSS Distributions  * as defined in and that are subject to the Apple Public Source License
8*043036a2SApple OSS Distributions  * Version 2.0 (the 'License'). You may not use this file except in
9*043036a2SApple OSS Distributions  * compliance with the License. The rights granted to you under the License
10*043036a2SApple OSS Distributions  * may not be used to create, or enable the creation or redistribution of,
11*043036a2SApple OSS Distributions  * unlawful or unlicensed copies of an Apple operating system, or to
12*043036a2SApple OSS Distributions  * circumvent, violate, or enable the circumvention or violation of, any
13*043036a2SApple OSS Distributions  * terms of an Apple operating system software license agreement.
14*043036a2SApple OSS Distributions  *
15*043036a2SApple OSS Distributions  * Please obtain a copy of the License at
16*043036a2SApple OSS Distributions  * http://www.opensource.apple.com/apsl/ and read it before using this file.
17*043036a2SApple OSS Distributions  *
18*043036a2SApple OSS Distributions  * The Original Code and all software distributed under the License are
19*043036a2SApple OSS Distributions  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20*043036a2SApple OSS Distributions  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21*043036a2SApple OSS Distributions  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22*043036a2SApple OSS Distributions  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23*043036a2SApple OSS Distributions  * Please see the License for the specific language governing rights and
24*043036a2SApple OSS Distributions  * limitations under the License.
25*043036a2SApple OSS Distributions  *
26*043036a2SApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27*043036a2SApple OSS Distributions  */
28*043036a2SApple OSS Distributions 
29*043036a2SApple OSS Distributions #ifndef _SYS_KAS_INFO_H_
30*043036a2SApple OSS Distributions #define _SYS_KAS_INFO_H_
31*043036a2SApple OSS Distributions 
32*043036a2SApple OSS Distributions #include <sys/cdefs.h>
33*043036a2SApple OSS Distributions #include <Availability.h>
34*043036a2SApple OSS Distributions #include <stddef.h>
35*043036a2SApple OSS Distributions 
36*043036a2SApple OSS Distributions /*
37*043036a2SApple OSS Distributions  * kas_info() ("Kernel Address Space Info") is a private interface that allows
38*043036a2SApple OSS Distributions  * appropriately privileged system components to introspect the overall
39*043036a2SApple OSS Distributions  * kernel address space layout.
40*043036a2SApple OSS Distributions  */
41*043036a2SApple OSS Distributions 
42*043036a2SApple OSS Distributions __BEGIN_DECLS
43*043036a2SApple OSS Distributions 
44*043036a2SApple OSS Distributions /* The slide of the main kernel compared to its static link address */
45*043036a2SApple OSS Distributions #define KAS_INFO_KERNEL_TEXT_SLIDE_SELECTOR     (0) /* returns uint64_t */
46*043036a2SApple OSS Distributions #define KAS_INFO_KERNEL_SEGMENT_VMADDR_SELECTOR (1)
47*043036a2SApple OSS Distributions 
48*043036a2SApple OSS Distributions /* Return the SPTM/TXM slide if on a system configured to run those images. */
49*043036a2SApple OSS Distributions #define KAS_INFO_SPTM_TEXT_SLIDE_SELECTOR       (2) /* returns uint64_t */
50*043036a2SApple OSS Distributions #define KAS_INFO_TXM_TEXT_SLIDE_SELECTOR        (3) /* returns uint64_t */
51*043036a2SApple OSS Distributions #define KAS_INFO_MAX_SELECTOR                   (4)
52*043036a2SApple OSS Distributions 
53*043036a2SApple OSS Distributions #ifndef KERNEL
54*043036a2SApple OSS Distributions 
55*043036a2SApple OSS Distributions int kas_info(int selector, void *value, size_t *size) __OSX_AVAILABLE_STARTING(__MAC_10_8, __IPHONE_6_0);
56*043036a2SApple OSS Distributions 
57*043036a2SApple OSS Distributions #endif /* KERNEL */
58*043036a2SApple OSS Distributions 
59*043036a2SApple OSS Distributions __END_DECLS
60*043036a2SApple OSS Distributions 
61*043036a2SApple OSS Distributions #endif  /* !_SYS_KAS_INFO_H_ */
62