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proc.h (2761B) - Raw


      1 /*-
      2  * Copyright (c) 1991 Regents of the University of California.
      3  * All rights reserved.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions
      7  * are met:
      8  * 1. Redistributions of source code must retain the above copyright
      9  *    notice, this list of conditions and the following disclaimer.
     10  * 2. Redistributions in binary form must reproduce the above copyright
     11  *    notice, this list of conditions and the following disclaimer in the
     12  *    documentation and/or other materials provided with the distribution.
     13  * 3. Neither the name of the University nor the names of its contributors
     14  *    may be used to endorse or promote products derived from this software
     15  *    without specific prior written permission.
     16  *
     17  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     27  * SUCH DAMAGE.
     28  *
     29  *      from: @(#)proc.h        7.1 (Berkeley) 5/15/91
     30  *	from: FreeBSD: src/sys/i386/include/proc.h,v 1.11 2001/06/29
     31  */
     32 
     33 #ifdef __arm__
     34 #include <arm/proc.h>
     35 #else /* !__arm__ */
     36 
     37 #ifndef	_MACHINE_PROC_H_
     38 #define	_MACHINE_PROC_H_
     39 
     40 struct ptrauth_key {
     41 	uint64_t pa_key_lo;
     42 	uint64_t pa_key_hi;
     43 };
     44 
     45 struct mdthread {
     46 	int	md_spinlock_count;	/* (k) */
     47 	register_t md_saved_daif;	/* (k) */
     48 	uintptr_t md_canary;
     49 
     50 	/*
     51 	 * The pointer authentication keys. These are shared within a process,
     52 	 * however this may change for some keys as the PAuth ABI Extension to
     53 	 * ELF for the Arm 64-bit Architecture [1] is currently (July 2021) at
     54 	 * an Alpha release quality so may change.
     55 	 *
     56 	 * [1] https://github.com/ARM-software/abi-aa/blob/main/pauthabielf64/pauthabielf64.rst
     57 	 */
     58 	struct {
     59 		struct ptrauth_key apia;
     60 		struct ptrauth_key apib;
     61 		struct ptrauth_key apda;
     62 		struct ptrauth_key apdb;
     63 		struct ptrauth_key apga;
     64 	} md_ptrauth_user;
     65 
     66 	struct {
     67 		struct ptrauth_key apia;
     68 	} md_ptrauth_kern;
     69 
     70 	uint64_t md_reserved[4];
     71 };
     72 
     73 struct mdproc {
     74 	long	md_dummy;
     75 };
     76 
     77 #define	KINFO_PROC_SIZE	1088
     78 #define	KINFO_PROC32_SIZE 816
     79 
     80 #endif /* !_MACHINE_PROC_H_ */
     81 
     82 #endif /* !__arm__ */