xref: /freebsd/sys/arm64/include/proc.h (revision b0d29bc47dba79f6f38e67eabadfb4b32ffd9390)
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  * $FreeBSD$
32  */
33 
34 #ifndef	_MACHINE_PROC_H_
35 #define	_MACHINE_PROC_H_
36 
37 struct mdthread {
38 	int	md_spinlock_count;	/* (k) */
39 	register_t md_saved_daif;	/* (k) */
40 };
41 
42 struct mdproc {
43 	long	md_dummy;
44 };
45 
46 #define	KINFO_PROC_SIZE	1088
47 #define	KINFO_PROC32_SIZE 816
48 
49 #define	MAXARGS		8
50 struct syscall_args {
51 	u_int code;
52 	struct sysent *callp;
53 	register_t args[MAXARGS];
54 	int narg;
55 };
56 
57 #ifdef _KERNEL
58 
59 #include <machine/pcb.h>
60 
61 #define	GET_STACK_USAGE(total, used) do {				\
62 	struct thread *td = curthread;					\
63 	(total) = td->td_kstack_pages * PAGE_SIZE - sizeof(struct pcb);	\
64 	(used) = (char *)td->td_kstack +				\
65 	    td->td_kstack_pages * PAGE_SIZE -				\
66 	    (char *)&td;						\
67 } while (0)
68 
69 #endif
70 
71 #endif /* !_MACHINE_PROC_H_ */
72