xref: /freebsd/sys/arm/include/proc.h (revision 642870485c089b57000fe538d3485e272b038d59)
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. All advertising materials mentioning features or use of this software
14  *    must display the following acknowledgement:
15  *      This product includes software developed by the University of
16  *      California, Berkeley and its contributors.
17  * 4. Neither the name of the University nor the names of its contributors
18  *    may be used to endorse or promote products derived from this software
19  *    without specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31  * SUCH DAMAGE.
32  *
33  *      from: @(#)proc.h        7.1 (Berkeley) 5/15/91
34  *	from: FreeBSD: src/sys/i386/include/proc.h,v 1.11 2001/06/29
35  * $FreeBSD$
36  */
37 
38 #ifndef	_MACHINE_PROC_H_
39 #define	_MACHINE_PROC_H_
40 
41 #include <machine/utrap.h>
42 
43 struct md_utrap {
44 	utrap_entry_t *ut_precise[UT_MAX];	/* must be first */
45 	int	ut_refcnt;
46 };
47 
48 struct mdthread {
49 	int	md_spinlock_count;	/* (k) */
50 	register_t md_saved_cspr;	/* (k) */
51 	register_t md_spurflt_addr;     /* (k) Spurious page fault address. */
52 	int md_ptrace_instr;
53 	int md_ptrace_addr;
54 	int md_ptrace_instr_alt;
55 	int md_ptrace_addr_alt;
56 #if __ARM_ARCH < 6
57 	register_t md_tp;
58 	void *md_ras_start;
59 	void *md_ras_end;
60 #endif
61 };
62 
63 struct mdproc {
64 	struct	md_utrap *md_utrap;
65 	void	*md_sigtramp;
66 };
67 
68 #define	KINFO_PROC_SIZE 816
69 
70 #define MAXARGS	8
71 /*
72  * This holds the syscall state for a single system call.
73  * As some syscall arguments may be 64-bit aligned we need to ensure the
74  * args value is 64-bit aligned. The ABI will then ensure any 64-bit
75  * arguments are already correctly aligned, even if they were passed in
76  * via registers, we just need to make sure we copy them to an aligned
77  * buffer.
78  */
79 struct syscall_args {
80 	u_int code;
81 	struct sysent *callp;
82 	register_t args[MAXARGS];
83 	int narg;
84 	u_int nap;
85 } __aligned(8);
86 
87 #endif /* !_MACHINE_PROC_H_ */
88