bsd/sys/kas_info.h

   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 #define KAS_INFO_MAX_SELECTOR           (2)
  47
  48 #ifndef KERNEL
  49
  50 int kas_info(int selector, void *value, size_t *size) __OSX_AVAILABLE_STARTING(__MAC_10_8, __IPHONE_6_0);
  51
  52 #endif /* KERNEL */
  53
  54 __END_DECLS
  55
  56 #endif  /* !_SYS_KAS_INFO_H_ */