xref: /freebsd-12.1/sys/sparc64/include/proc.h (revision 052d3c12)
1 /*-
2  * SPDX-License-Identifier: BSD-3-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. Neither the name of the University nor the names of its contributors
16  *    may be used to endorse or promote products derived from this software
17  *    without specific prior written permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29  * SUCH DAMAGE.
30  *
31  *      from: @(#)proc.h        7.1 (Berkeley) 5/15/91
32  *	from: FreeBSD: src/sys/i386/include/proc.h,v 1.11 2001/06/29
33  * $FreeBSD$
34  */
35 
36 #ifndef	_MACHINE_PROC_H_
37 #define	_MACHINE_PROC_H_
38 
39 #include <machine/utrap.h>
40 
41 struct md_utrap {
42 	utrap_entry_t *ut_precise[UT_MAX];	/* must be first */
43 	int	ut_refcnt;
44 };
45 
46 struct mdthread {
47 	int	md_spinlock_count;	/* (k) */
48 	register_t md_saved_pil;	/* (k) */
49 };
50 
51 struct mdproc {
52 	struct	md_utrap *md_utrap;
53 	void	*md_sigtramp;
54 };
55 
56 #define	KINFO_PROC_SIZE 1088
57 
58 struct syscall_args {
59 	u_int code;
60 	struct sysent *callp;
61 	register_t args[8];
62 	int narg;
63 };
64 
65 #ifdef _KERNEL
66 
67 #include <machine/pcb.h>
68 
69 /* Get the current kernel thread stack usage. */
70 #define	GET_STACK_USAGE(total, used) do {				\
71 	struct thread *td = curthread;					\
72 	(total) = td->td_kstack_pages * PAGE_SIZE - sizeof(struct pcb);	\
73 	(used) = (char *)td->td_kstack +				\
74 	    td->td_kstack_pages * PAGE_SIZE -				\
75 	    (char *)&td;						\
76 } while (0)
77 
78 #endif
79 
80 #endif /* !_MACHINE_PROC_H_ */
81