xref: /xnu-10063.141.1/osfmk/kdp/core_exclude.h (revision d8b80295118ef25ac3a784134bcf95cd8e88109f)
1*d8b80295SApple OSS Distributions /*
2*d8b80295SApple OSS Distributions  * Copyright (c) 2021 Apple Computer, Inc. All rights reserved.
3*d8b80295SApple OSS Distributions  *
4*d8b80295SApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5*d8b80295SApple OSS Distributions  *
6*d8b80295SApple OSS Distributions  * This file contains Original Code and/or Modifications of Original Code
7*d8b80295SApple OSS Distributions  * as defined in and that are subject to the Apple Public Source License
8*d8b80295SApple OSS Distributions  * Version 2.0 (the 'License'). You may not use this file except in
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14*d8b80295SApple OSS Distributions  *
15*d8b80295SApple OSS Distributions  * Please obtain a copy of the License at
16*d8b80295SApple OSS Distributions  * http://www.opensource.apple.com/apsl/ and read it before using this file.
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23*d8b80295SApple OSS Distributions  * Please see the License for the specific language governing rights and
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27*d8b80295SApple OSS Distributions  */
28*d8b80295SApple OSS Distributions 
29*d8b80295SApple OSS Distributions #ifndef _CORE_EXCLUDE_H_
30*d8b80295SApple OSS Distributions #define _CORE_EXCLUDE_H_
31*d8b80295SApple OSS Distributions 
32*d8b80295SApple OSS Distributions #include <mach/kern_return.h>
33*d8b80295SApple OSS Distributions #include <mach/vm_types.h>
34*d8b80295SApple OSS Distributions #include <sys/cdefs.h>
35*d8b80295SApple OSS Distributions 
36*d8b80295SApple OSS Distributions __BEGIN_DECLS
37*d8b80295SApple OSS Distributions 
38*d8b80295SApple OSS Distributions #if KERNEL_PRIVATE
39*d8b80295SApple OSS Distributions 
40*d8b80295SApple OSS Distributions /*
41*d8b80295SApple OSS Distributions  * Excludes a given memory region from the kernel coredump. This is recommended
42*d8b80295SApple OSS Distributions  * for any sensitive data or data which is not expected to be necessary for
43*d8b80295SApple OSS Distributions  * debugging.
44*d8b80295SApple OSS Distributions  *
45*d8b80295SApple OSS Distributions  * The address and size of the region must be page-aligned, the size must be
46*d8b80295SApple OSS Distributions  * non-zero, and the addition of the address and size must not overflow.
47*d8b80295SApple OSS Distributions  *
48*d8b80295SApple OSS Distributions  * Note that you may need to call this function multiple times if the
49*d8b80295SApple OSS Distributions  * underlying memory is shared.
50*d8b80295SApple OSS Distributions  */
51*d8b80295SApple OSS Distributions void
52*d8b80295SApple OSS Distributions kdp_core_exclude_region(vm_offset_t addr, vm_size_t size);
53*d8b80295SApple OSS Distributions 
54*d8b80295SApple OSS Distributions /*
55*d8b80295SApple OSS Distributions  * Unexcludes a given memory region from the kernel coredump.
56*d8b80295SApple OSS Distributions  *
57*d8b80295SApple OSS Distributions  * The address and size of the region must match a currently excluded region.
58*d8b80295SApple OSS Distributions  */
59*d8b80295SApple OSS Distributions void
60*d8b80295SApple OSS Distributions kdp_core_unexclude_region(vm_offset_t addr, vm_size_t size);
61*d8b80295SApple OSS Distributions 
62*d8b80295SApple OSS Distributions #endif /* KERNEL_PRIVATE */
63*d8b80295SApple OSS Distributions 
64*d8b80295SApple OSS Distributions __END_DECLS
65*d8b80295SApple OSS Distributions 
66*d8b80295SApple OSS Distributions #endif /* _CORE_EXCLUDE_H_ */
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