1/*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 1998 John D. Polstra.
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 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29#ifndef _SYS_PROCFS_H_
30#define _SYS_PROCFS_H_
31
32#include <sys/param.h>
33#include <machine/reg.h>
34
35typedef struct reg gregset_t;
36typedef struct fpreg fpregset_t;
37
38/*
39 * These structures define an interface between core files and the debugger.
40 * Never change or delete any elements. If you add elements, add them to
41 * the end of the structure, and increment the value of its version field.
42 * This will help to ensure that today's core dump will still be usable
43 * with next year's debugger.
44 *
45 * A lot more things should be added to these structures. At present,
46 * they contain the absolute bare minimum required to allow GDB to work
47 * with ELF core dumps.
48 */
49
50/*
51 * The parenthsized numbers like (1) indicate the minimum version number
52 * for which each element exists in the structure. The version number is
53 * not bumped when adding new fields to the end, only if the meaning of
54 * an existing field changes. Additional fields are annotated as (1a),
55 * (1b), etc. to indicate the groupings of additions.
56 */
57
58#define PRSTATUS_VERSION 1 /* Current version of prstatus_t */
59
60typedef struct prstatus {
61 int pr_version; /* Version number of struct (1) */
62 size_t pr_statussz; /* sizeof(prstatus_t) (1) */
63 size_t pr_gregsetsz; /* sizeof(gregset_t) (1) */
64 size_t pr_fpregsetsz; /* sizeof(fpregset_t) (1) */
65 int pr_osreldate; /* Kernel version (1) */
66 int pr_cursig; /* Current signal (1) */
67 pid_t pr_pid; /* LWP (Thread) ID (1) */
68 gregset_t pr_reg; /* General purpose registers (1) */
69} prstatus_t;
70
71typedef gregset_t prgregset_t[1];
72typedef fpregset_t prfpregset_t;
73
74#define PRFNAMESZ 16 /* Maximum command length saved */
75#define PRARGSZ 80 /* Maximum argument bytes saved */
76
77#define PRPSINFO_VERSION 1 /* Current version of prpsinfo_t */
78
79typedef struct prpsinfo {
80 int pr_version; /* Version number of struct (1) */
81 size_t pr_psinfosz; /* sizeof(prpsinfo_t) (1) */
82 char pr_fname[PRFNAMESZ+1]; /* Command name, null terminated (1) */
83 char pr_psargs[PRARGSZ+1]; /* Arguments, null terminated (1) */
84 pid_t pr_pid; /* Process ID (1a) */
85} prpsinfo_t;
86
87typedef struct thrmisc {
88 char pr_tname[MAXCOMLEN+1]; /* Thread name, null terminated (1) */
89 u_int _pad; /* Convenience pad, 0-filled (1) */
90} thrmisc_t;
91
92typedef uint64_t psaddr_t; /* An address in the target process. */
93
94#ifdef __HAVE_REG32
95typedef struct prstatus32 {
96 int32_t pr_version;
97 uint32_t pr_statussz;
98 uint32_t pr_gregsetsz;
99 uint32_t pr_fpregsetsz;
100 int32_t pr_osreldate;
101 int32_t pr_cursig;
102 int32_t pr_pid;
103 struct reg32 pr_reg;
104} prstatus32_t;
105
106typedef struct prpsinfo32 {
107 int32_t pr_version;
108 uint32_t pr_psinfosz;
109 char pr_fname[PRFNAMESZ+1];
110 char pr_psargs[PRARGSZ+1];
111 int32_t pr_pid;
112} prpsinfo32_t;
113
114struct thrmisc32 {
115 char pr_tname[MAXCOMLEN+1];
116 uint32_t _pad;
117};
118#endif /* __HAVE_REG32 */
119
120#endif /* _SYS_PROCFS_H_ */