gems-kernel/source/THIRDPARTY/xnu/bsd/sys/kas_info.h
2024-06-03 11:29:39 -05:00

60 lines
2.2 KiB
C

/*
* Copyright (c) 2011 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
* compliance with the License. The rights granted to you under the License
* may not be used to create, or enable the creation or redistribution of,
* unlawful or unlicensed copies of an Apple operating system, or to
* circumvent, violate, or enable the circumvention or violation of, any
* terms of an Apple operating system software license agreement.
*
* Please obtain a copy of the License at
* http://www.opensource.apple.com/apsl/ and read it before using this file.
*
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
* Please see the License for the specific language governing rights and
* limitations under the License.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
#ifndef _SYS_KAS_INFO_H_
#define _SYS_KAS_INFO_H_
#include <sys/cdefs.h>
#include <Availability.h>
/*
* kas_info() ("Kernel Address Space Info") is a private interface that allows
* appropriately privileged system components to introspect the overall
* kernel address space layout.
*/
__BEGIN_DECLS
/* The slide of the main kernel compared to its static link address */
#define KAS_INFO_KERNEL_TEXT_SLIDE_SELECTOR (0) /* returns uint64_t */
#define KAS_INFO_KERNEL_SEGMENT_VMADDR_SELECTOR (1)
/* Return the SPTM/TXM slide if on a system configured to run those images. */
#define KAS_INFO_SPTM_TEXT_SLIDE_SELECTOR (2) /* returns uint64_t */
#define KAS_INFO_TXM_TEXT_SLIDE_SELECTOR (3) /* returns uint64_t */
#define KAS_INFO_MAX_SELECTOR (4)
#ifndef KERNEL
int kas_info(int selector, void *value, size_t *size) __OSX_AVAILABLE_STARTING(__MAC_10_8, __IPHONE_6_0);
#endif /* KERNEL */
__END_DECLS
#endif /* !_SYS_KAS_INFO_H_ */