2 * SPDX-License-Identifier: BSD-2-Clause
4 * Copyright (c) 2006 Roman Divacky
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
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.
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
31 #ifndef _LINUX_MISC_H_
32 #define _LINUX_MISC_H_
34 #define LINUX_MAX_PID_NS_LEVEL 32
37 #define LINUX_NFDBITS sizeof(l_fd_mask) * 8
42 #define LINUX_NAME_MAX 255
43 #define LINUX_MAX_UTSNAME 65
45 #define LINUX_CTL_MAXNAME 10
47 /* defines for prctl */
48 #define LINUX_PR_SET_PDEATHSIG 1 /* Second arg is a signal. */
49 #define LINUX_PR_GET_PDEATHSIG 2 /*
50 * Second arg is a ptr to return the
53 #define LINUX_PR_GET_DUMPABLE 3
54 #define LINUX_PR_SET_DUMPABLE 4
55 #define LINUX_PR_GET_KEEPCAPS 7 /* Get drop capabilities on setuid */
56 #define LINUX_PR_SET_KEEPCAPS 8 /* Set drop capabilities on setuid */
57 #define LINUX_PR_SET_NAME 15 /* Set process name. */
58 #define LINUX_PR_GET_NAME 16 /* Get process name. */
59 #define LINUX_PR_GET_SECCOMP 21
60 #define LINUX_PR_SET_SECCOMP 22
61 #define LINUX_PR_CAPBSET_READ 23
62 #define LINUX_PR_SET_NO_NEW_PRIVS 38
63 #define LINUX_PR_SET_PTRACER 1499557217
65 #define LINUX_MAX_COMM_LEN 16 /* Maximum length of the process name. */
67 /* For GET/SET DUMPABLE */
68 #define LINUX_SUID_DUMP_DISABLE 0 /* Don't coredump setuid processes. */
69 #define LINUX_SUID_DUMP_USER 1 /* Dump as user of process. */
70 #define LINUX_SUID_DUMP_ROOT 2 /* Dump as root. */
72 #define LINUX_MREMAP_MAYMOVE 1
73 #define LINUX_MREMAP_FIXED 2
75 #define LINUX_PATH_MAX 4096
78 * Non-standard aux entry types used in Linux ELF binaries.
81 #define LINUX_AT_PLATFORM 15 /* String identifying CPU */
82 #define LINUX_AT_HWCAP 16 /* CPU capabilities */
83 #define LINUX_AT_CLKTCK 17 /* frequency at which times() increments */
84 #define LINUX_AT_SECURE 23 /* secure mode boolean */
85 #define LINUX_AT_BASE_PLATFORM 24 /* string identifying real platform, may
86 * differ from AT_PLATFORM.
88 #define LINUX_AT_RANDOM 25 /* address of random bytes */
89 #define LINUX_AT_HWCAP2 26 /* CPU capabilities, second part */
90 #define LINUX_AT_EXECFN 31 /* filename of program */
91 #define LINUX_AT_SYSINFO 32 /* vsyscall */
92 #define LINUX_AT_SYSINFO_EHDR 33 /* vdso header */
94 #define LINUX_AT_RANDOM_LEN 16 /* size of random bytes */
96 #ifndef LINUX_AT_MINSIGSTKSZ
97 #define LINUX_AT_MINSIGSTKSZ 51 /* min stack size required by the kernel */
100 /* Linux sets the i387 to extended precision. */
101 #if defined(__i386__) || defined(__amd64__)
102 #define __LINUX_NPXCW__ 0x37f
105 /* Scheduling policies */
106 #define LINUX_SCHED_OTHER 0
107 #define LINUX_SCHED_FIFO 1
108 #define LINUX_SCHED_RR 2
110 #define LINUX_MAX_RT_PRIO 100
112 struct l_new_utsname {
113 char sysname[LINUX_MAX_UTSNAME];
114 char nodename[LINUX_MAX_UTSNAME];
115 char release[LINUX_MAX_UTSNAME];
116 char version[LINUX_MAX_UTSNAME];
117 char machine[LINUX_MAX_UTSNAME];
118 char domainname[LINUX_MAX_UTSNAME];
121 #define LINUX_UTIME_NOW 0x3FFFFFFF
122 #define LINUX_UTIME_OMIT 0x3FFFFFFE
126 #define LINUX_WNOHANG 0x00000001
127 #define LINUX_WUNTRACED 0x00000002
128 #define LINUX_WSTOPPED LINUX_WUNTRACED
129 #define LINUX_WEXITED 0x00000004
130 #define LINUX_WCONTINUED 0x00000008
131 #define LINUX_WNOWAIT 0x01000000
133 #define __WNOTHREAD 0x20000000
134 #define __WALL 0x40000000
135 #define __WCLONE 0x80000000
137 /* Linux waitid idtype */
138 #define LINUX_P_ALL 0
139 #define LINUX_P_PID 1
140 #define LINUX_P_PGID 2
141 #define LINUX_P_PIDFD 3
143 #define LINUX_RLIMIT_LOCKS 10
144 #define LINUX_RLIMIT_SIGPENDING 11
145 #define LINUX_RLIMIT_MSGQUEUE 12
146 #define LINUX_RLIMIT_NICE 13
147 #define LINUX_RLIMIT_RTPRIO 14
148 #define LINUX_RLIMIT_RTTIME 15
150 #define LINUX_RLIM_INFINITY (~0UL)
152 /* Linux getrandom flags */
153 #define LINUX_GRND_NONBLOCK 0x0001
154 #define LINUX_GRND_RANDOM 0x0002
156 /* Linux syslog flags */
157 #define LINUX_SYSLOG_ACTION_READ_ALL 3
159 /* Linux seccomp flags */
160 #define LINUX_SECCOMP_GET_ACTION_AVAIL 2
162 /* Linux /proc/self/oom_score_adj */
163 #define LINUX_OOM_SCORE_ADJ_MIN -1000
164 #define LINUX_OOM_SCORE_ADJ_MAX 1000
166 #if defined(__aarch64__) || (defined(__amd64__) && !defined(COMPAT_LINUX32))
167 int linux_ptrace_status(struct thread *td, int pid, int status);
169 void linux_to_bsd_waitopts(int options, int *bsdopts);
170 struct thread *linux_tdfind(struct thread *, lwpid_t, pid_t);
172 struct syscall_info {
175 uint64_t instruction_pointer;
176 uint64_t stack_pointer;
194 /* Linux ioprio set/get syscalls */
195 #define LINUX_IOPRIO_CLASS_SHIFT 13
196 #define LINUX_IOPRIO_CLASS_MASK 0x07
197 #define LINUX_IOPRIO_PRIO_MASK ((1UL << LINUX_IOPRIO_CLASS_SHIFT) - 1)
199 #define LINUX_IOPRIO_PRIO_CLASS(ioprio) \
200 (((ioprio) >> LINUX_IOPRIO_CLASS_SHIFT) & LINUX_IOPRIO_CLASS_MASK)
201 #define LINUX_IOPRIO_PRIO_DATA(ioprio) ((ioprio) & LINUX_IOPRIO_PRIO_MASK)
202 #define LINUX_IOPRIO_PRIO(class, data) \
203 ((((class) & LINUX_IOPRIO_CLASS_MASK) << LINUX_IOPRIO_CLASS_SHIFT) | \
204 ((data) & LINUX_IOPRIO_PRIO_MASK))
206 #define LINUX_IOPRIO_CLASS_NONE 0
207 #define LINUX_IOPRIO_CLASS_RT 1
208 #define LINUX_IOPRIO_CLASS_BE 2
209 #define LINUX_IOPRIO_CLASS_IDLE 3
211 #define LINUX_IOPRIO_MIN 0
212 #define LINUX_IOPRIO_MAX 7
214 #define LINUX_IOPRIO_WHO_PROCESS 1
215 #define LINUX_IOPRIO_WHO_PGRP 2
216 #define LINUX_IOPRIO_WHO_USER 3
218 #endif /* _LINUX_MISC_H_ */