xref: /xnu-12377.1.9/osfmk/kdp/core_exclude.h (revision f6217f891ac0bb64f3d375211650a4c1ff8ca1ea)
1*f6217f89SApple OSS Distributions /*
2*f6217f89SApple OSS Distributions  * Copyright (c) 2021 Apple Computer, 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
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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
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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.
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23*f6217f89SApple OSS Distributions  * Please see the License for the specific language governing rights and
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27*f6217f89SApple OSS Distributions  */
28*f6217f89SApple OSS Distributions 
29*f6217f89SApple OSS Distributions #ifndef _CORE_EXCLUDE_H_
30*f6217f89SApple OSS Distributions #define _CORE_EXCLUDE_H_
31*f6217f89SApple OSS Distributions 
32*f6217f89SApple OSS Distributions #include <mach/kern_return.h>
33*f6217f89SApple OSS Distributions #include <mach/vm_types.h>
34*f6217f89SApple OSS Distributions #include <sys/cdefs.h>
35*f6217f89SApple OSS Distributions 
36*f6217f89SApple OSS Distributions __BEGIN_DECLS
37*f6217f89SApple OSS Distributions 
38*f6217f89SApple OSS Distributions #if KERNEL_PRIVATE
39*f6217f89SApple OSS Distributions 
40*f6217f89SApple OSS Distributions /*
41*f6217f89SApple OSS Distributions  * Excludes a given memory region from the kernel coredump. This is recommended
42*f6217f89SApple OSS Distributions  * for any sensitive data or data which is not expected to be necessary for
43*f6217f89SApple OSS Distributions  * debugging.
44*f6217f89SApple OSS Distributions  *
45*f6217f89SApple OSS Distributions  * The address and size of the region must be page-aligned, the size must be
46*f6217f89SApple OSS Distributions  * non-zero, and the addition of the address and size must not overflow.
47*f6217f89SApple OSS Distributions  *
48*f6217f89SApple OSS Distributions  * Note that you may need to call this function multiple times if the
49*f6217f89SApple OSS Distributions  * underlying memory is shared.
50*f6217f89SApple OSS Distributions  */
51*f6217f89SApple OSS Distributions void
52*f6217f89SApple OSS Distributions kdp_core_exclude_region(vm_offset_t addr, vm_size_t size);
53*f6217f89SApple OSS Distributions 
54*f6217f89SApple OSS Distributions /*
55*f6217f89SApple OSS Distributions  * Unexcludes a given memory region from the kernel coredump.
56*f6217f89SApple OSS Distributions  *
57*f6217f89SApple OSS Distributions  * The address and size of the region must match a currently excluded region.
58*f6217f89SApple OSS Distributions  */
59*f6217f89SApple OSS Distributions void
60*f6217f89SApple OSS Distributions kdp_core_unexclude_region(vm_offset_t addr, vm_size_t size);
61*f6217f89SApple OSS Distributions 
62*f6217f89SApple OSS Distributions #endif /* KERNEL_PRIVATE */
63*f6217f89SApple OSS Distributions 
64*f6217f89SApple OSS Distributions __END_DECLS
65*f6217f89SApple OSS Distributions 
66*f6217f89SApple OSS Distributions #endif /* _CORE_EXCLUDE_H_ */
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