FreeBSD/Linux Kernel Cross Reference
sys/sys/procfs.h
1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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 * $FreeBSD: releng/12.0/sys/sys/procfs.h 326256 2017-11-27 15:01:59Z pfg $
29 */
30
31 #ifndef _SYS_PROCFS_H_
32 #define _SYS_PROCFS_H_
33
34 #include <sys/param.h>
35 #include <machine/reg.h>
36
37 typedef struct reg gregset_t;
38 typedef struct fpreg fpregset_t;
39
40 /*
41 * These structures define an interface between core files and the debugger.
42 * Never change or delete any elements. If you add elements, add them to
43 * the end of the structure, and increment the value of its version field.
44 * This will help to ensure that today's core dump will still be usable
45 * with next year's debugger.
46 *
47 * A lot more things should be added to these structures. At present,
48 * they contain the absolute bare minimum required to allow GDB to work
49 * with ELF core dumps.
50 */
51
52 /*
53 * The parenthsized numbers like (1) indicate the minimum version number
54 * for which each element exists in the structure. The version number is
55 * not bumped when adding new fields to the end, only if the meaning of
56 * an existing field changes. Additional fields are annotated as (1a),
57 * (1b), etc. to indicate the groupings of additions.
58 */
59
60 #define PRSTATUS_VERSION 1 /* Current version of prstatus_t */
61
62 typedef struct prstatus {
63 int pr_version; /* Version number of struct (1) */
64 size_t pr_statussz; /* sizeof(prstatus_t) (1) */
65 size_t pr_gregsetsz; /* sizeof(gregset_t) (1) */
66 size_t pr_fpregsetsz; /* sizeof(fpregset_t) (1) */
67 int pr_osreldate; /* Kernel version (1) */
68 int pr_cursig; /* Current signal (1) */
69 pid_t pr_pid; /* LWP (Thread) ID (1) */
70 gregset_t pr_reg; /* General purpose registers (1) */
71 } prstatus_t;
72
73 typedef gregset_t prgregset_t[1];
74 typedef fpregset_t prfpregset_t;
75
76 #define PRFNAMESZ 16 /* Maximum command length saved */
77 #define PRARGSZ 80 /* Maximum argument bytes saved */
78
79 #define PRPSINFO_VERSION 1 /* Current version of prpsinfo_t */
80
81 typedef struct prpsinfo {
82 int pr_version; /* Version number of struct (1) */
83 size_t pr_psinfosz; /* sizeof(prpsinfo_t) (1) */
84 char pr_fname[PRFNAMESZ+1]; /* Command name, null terminated (1) */
85 char pr_psargs[PRARGSZ+1]; /* Arguments, null terminated (1) */
86 pid_t pr_pid; /* Process ID (1a) */
87 } prpsinfo_t;
88
89 typedef struct thrmisc {
90 char pr_tname[MAXCOMLEN+1]; /* Thread name, null terminated (1) */
91 u_int _pad; /* Convenience pad, 0-filled (1) */
92 } thrmisc_t;
93
94 typedef uint64_t psaddr_t; /* An address in the target process. */
95
96 #ifdef __HAVE_REG32
97 typedef struct prstatus32 {
98 int32_t pr_version;
99 uint32_t pr_statussz;
100 uint32_t pr_gregsetsz;
101 uint32_t pr_fpregsetsz;
102 int32_t pr_osreldate;
103 int32_t pr_cursig;
104 int32_t pr_pid;
105 struct reg32 pr_reg;
106 } prstatus32_t;
107
108 typedef struct prpsinfo32 {
109 int32_t pr_version;
110 uint32_t pr_psinfosz;
111 char pr_fname[PRFNAMESZ+1];
112 char pr_psargs[PRARGSZ+1];
113 int32_t pr_pid;
114 } prpsinfo32_t;
115
116 struct thrmisc32 {
117 char pr_tname[MAXCOMLEN+1];
118 uint32_t _pad;
119 };
120 #endif /* __HAVE_REG32 */
121
122 #endif /* _SYS_PROCFS_H_ */
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