FreeBSD/Linux Kernel Cross Reference
sys/arm/include/proc.h
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: releng/12.0/sys/arm/include/proc.h 325966 2017-11-18 14:26:50Z pfg $
38 */
39
40 #ifndef _MACHINE_PROC_H_
41 #define _MACHINE_PROC_H_
42
43 #include <machine/utrap.h>
44
45 struct md_utrap {
46 utrap_entry_t *ut_precise[UT_MAX]; /* must be first */
47 int ut_refcnt;
48 };
49
50 struct mdthread {
51 int md_spinlock_count; /* (k) */
52 register_t md_saved_cspr; /* (k) */
53 register_t md_spurflt_addr; /* (k) Spurious page fault address. */
54 int md_ptrace_instr;
55 int md_ptrace_addr;
56 int md_ptrace_instr_alt;
57 int md_ptrace_addr_alt;
58 #if __ARM_ARCH < 6
59 register_t md_tp;
60 void *md_ras_start;
61 void *md_ras_end;
62 #endif
63 };
64
65 struct mdproc {
66 struct md_utrap *md_utrap;
67 void *md_sigtramp;
68 };
69
70 #define KINFO_PROC_SIZE 816
71
72 #define MAXARGS 8
73 /*
74 * This holds the syscall state for a single system call.
75 * As some syscall arguments may be 64-bit aligned we need to ensure the
76 * args value is 64-bit aligned. The ABI will then ensure any 64-bit
77 * arguments are already correctly aligned, even if they were passed in
78 * via registers, we just need to make sure we copy them to an aligned
79 * buffer.
80 */
81 struct syscall_args {
82 u_int code;
83 struct sysent *callp;
84 register_t args[MAXARGS];
85 int narg;
86 u_int nap;
87 } __aligned(8);
88
89 #endif /* !_MACHINE_PROC_H_ */
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