xref: /freebsd/sys/arm/include/proc.h (revision 43a5ec4eb41567cc92586503212743d89686d78f)
1 /*-
2  * SPDX-License-Identifier: BSD-4-Clause
3  *
4  * Copyright (c) 1991 Regents of the University of California.
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. All advertising materials mentioning features or use of this software
16  *    must display the following acknowledgement:
17  *      This product includes software developed by the University of
18  *      California, Berkeley and its contributors.
19  * 4. Neither the name of the University nor the names of its contributors
20  *    may be used to endorse or promote products derived from this software
21  *    without specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33  * SUCH DAMAGE.
34  *
35  *      from: @(#)proc.h        7.1 (Berkeley) 5/15/91
36  *	from: FreeBSD: src/sys/i386/include/proc.h,v 1.11 2001/06/29
37  * $FreeBSD$
38  */
39 
40 #ifndef	_MACHINE_PROC_H_
41 #define	_MACHINE_PROC_H_
42 
43 struct mdthread {
44 	int	md_spinlock_count;	/* (k) */
45 	register_t md_saved_cspr;	/* (k) */
46 	register_t md_spurflt_addr;     /* (k) Spurious page fault address. */
47 	int md_ptrace_instr;
48 	int md_ptrace_addr;
49 	int md_ptrace_instr_alt;
50 	int md_ptrace_addr_alt;
51 };
52 
53 struct mdproc {
54 	long	md_dummy;
55 };
56 
57 #define	KINFO_PROC_SIZE 816
58 
59 #ifdef _KERNEL
60 #include <machine/pcb.h>
61 
62 /* Get the current kernel thread stack usage. */
63 #define	GET_STACK_USAGE(total, used) do {				\
64 	struct thread *td = curthread;					\
65 	(total) = td->td_kstack_pages * PAGE_SIZE - sizeof(struct pcb);	\
66 	(used) = td->td_kstack + (total) - (vm_offset_t)&td;		\
67 } while (0)
68 
69 #endif  /* _KERNEL */
70 #endif /* !_MACHINE_PROC_H_ */
71