1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2006 Roman Divacky
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 * $FreeBSD$
29 */
30
31 #ifndef _LINUX_MISC_H_
32 #define _LINUX_MISC_H_
33
34 #include <sys/sysctl.h>
35
36 #define LINUX_MAX_PID_NS_LEVEL 32
37
38 /* bits per mask */
39 #define LINUX_NFDBITS sizeof(l_fd_mask) * 8
40
41 /*
42 * Miscellaneous
43 */
44 #define LINUX_NAME_MAX 255
45 #define LINUX_MAX_UTSNAME 65
46
47 #define LINUX_CTL_MAXNAME 10
48
49 /* defines for prctl */
50 #define LINUX_PR_SET_PDEATHSIG 1 /* Second arg is a signal. */
51 #define LINUX_PR_GET_PDEATHSIG 2 /*
52 * Second arg is a ptr to return the
53 * signal.
54 */
55 #define LINUX_PR_GET_DUMPABLE 3
56 #define LINUX_PR_SET_DUMPABLE 4
57 #define LINUX_PR_GET_KEEPCAPS 7 /* Get drop capabilities on setuid */
58 #define LINUX_PR_SET_KEEPCAPS 8 /* Set drop capabilities on setuid */
59 #define LINUX_PR_SET_NAME 15 /* Set process name. */
60 #define LINUX_PR_GET_NAME 16 /* Get process name. */
61 #define LINUX_PR_GET_SECCOMP 21
62 #define LINUX_PR_SET_SECCOMP 22
63 #define LINUX_PR_CAPBSET_READ 23
64 #define LINUX_PR_SET_NO_NEW_PRIVS 38
65 #define LINUX_PR_SET_PTRACER 1499557217
66
67 #define LINUX_MAX_COMM_LEN 16 /* Maximum length of the process name. */
68
69 /* For GET/SET DUMPABLE */
70 #define LINUX_SUID_DUMP_DISABLE 0 /* Don't coredump setuid processes. */
71 #define LINUX_SUID_DUMP_USER 1 /* Dump as user of process. */
72 #define LINUX_SUID_DUMP_ROOT 2 /* Dump as root. */
73
74 #define LINUX_MREMAP_MAYMOVE 1
75 #define LINUX_MREMAP_FIXED 2
76
77 #define LINUX_PATH_MAX 4096
78
79 /*
80 * Non-standard aux entry types used in Linux ELF binaries.
81 */
82
83 #define LINUX_AT_PLATFORM 15 /* String identifying CPU */
84 #define LINUX_AT_HWCAP 16 /* CPU capabilities */
85 #define LINUX_AT_CLKTCK 17 /* frequency at which times() increments */
86 #define LINUX_AT_SECURE 23 /* secure mode boolean */
87 #define LINUX_AT_BASE_PLATFORM 24 /* string identifying real platform, may
88 * differ from AT_PLATFORM.
89 */
90 #define LINUX_AT_RANDOM 25 /* address of random bytes */
91 #define LINUX_AT_HWCAP2 26 /* CPU capabilities, second part */
92 #define LINUX_AT_EXECFN 31 /* filename of program */
93 #define LINUX_AT_SYSINFO 32 /* vsyscall */
94 #define LINUX_AT_SYSINFO_EHDR 33 /* vdso header */
95
96 #define LINUX_AT_RANDOM_LEN 16 /* size of random bytes */
97
98 #ifndef LINUX_AT_MINSIGSTKSZ
99 #define LINUX_AT_MINSIGSTKSZ 51 /* min stack size required by the kernel */
100 #endif
101
102 /* Linux sets the i387 to extended precision. */
103 #if defined(__i386__) || defined(__amd64__)
104 #define __LINUX_NPXCW__ 0x37f
105 #endif
106
107 /* Scheduling policies */
108 #define LINUX_SCHED_OTHER 0
109 #define LINUX_SCHED_FIFO 1
110 #define LINUX_SCHED_RR 2
111
112 #define LINUX_MAX_RT_PRIO 100
113
114 struct l_new_utsname {
115 char sysname[LINUX_MAX_UTSNAME];
116 char nodename[LINUX_MAX_UTSNAME];
117 char release[LINUX_MAX_UTSNAME];
118 char version[LINUX_MAX_UTSNAME];
119 char machine[LINUX_MAX_UTSNAME];
120 char domainname[LINUX_MAX_UTSNAME];
121 };
122
123 #define LINUX_UTIME_NOW 0x3FFFFFFF
124 #define LINUX_UTIME_OMIT 0x3FFFFFFE
125
126 extern int stclohz;
127
128 #define LINUX_WNOHANG 0x00000001
129 #define LINUX_WUNTRACED 0x00000002
130 #define LINUX_WSTOPPED LINUX_WUNTRACED
131 #define LINUX_WEXITED 0x00000004
132 #define LINUX_WCONTINUED 0x00000008
133 #define LINUX_WNOWAIT 0x01000000
134
135 #define __WNOTHREAD 0x20000000
136 #define __WALL 0x40000000
137 #define __WCLONE 0x80000000
138
139 /* Linux waitid idtype */
140 #define LINUX_P_ALL 0
141 #define LINUX_P_PID 1
142 #define LINUX_P_PGID 2
143 #define LINUX_P_PIDFD 3
144
145 #define LINUX_RLIMIT_LOCKS 10
146 #define LINUX_RLIMIT_SIGPENDING 11
147 #define LINUX_RLIMIT_MSGQUEUE 12
148 #define LINUX_RLIMIT_NICE 13
149 #define LINUX_RLIMIT_RTPRIO 14
150 #define LINUX_RLIMIT_RTTIME 15
151
152 #define LINUX_RLIM_INFINITY (~0UL)
153
154 /* Linux getrandom flags */
155 #define LINUX_GRND_NONBLOCK 0x0001
156 #define LINUX_GRND_RANDOM 0x0002
157
158 /* Linux syslog flags */
159 #define LINUX_SYSLOG_ACTION_READ_ALL 3
160
161 /* Linux seccomp flags */
162 #define LINUX_SECCOMP_GET_ACTION_AVAIL 2
163
164 /* Linux /proc/self/oom_score_adj */
165 #define LINUX_OOM_SCORE_ADJ_MIN -1000
166 #define LINUX_OOM_SCORE_ADJ_MAX 1000
167
168 #if defined(__aarch64__) || (defined(__amd64__) && !defined(COMPAT_LINUX32))
169 int linux_ptrace_status(struct thread *td, int pid, int status);
170 #endif
171 void linux_to_bsd_waitopts(int options, int *bsdopts);
172 struct thread *linux_tdfind(struct thread *, lwpid_t, pid_t);
173
174 struct syscall_info {
175 uint8_t op;
176 uint32_t arch;
177 uint64_t instruction_pointer;
178 uint64_t stack_pointer;
179 union {
180 struct {
181 uint64_t nr;
182 uint64_t args[6];
183 } entry;
184 struct {
185 int64_t rval;
186 uint8_t is_error;
187 } exit;
188 struct {
189 uint64_t nr;
190 uint64_t args[6];
191 uint32_t ret_data;
192 } seccomp;
193 };
194 };
195
196 #endif /* _LINUX_MISC_H_ */
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