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
29 #ifndef _LINUX_MISC_H_
30 #define _LINUX_MISC_H_
32 #define LINUX_MAX_PID_NS_LEVEL 32
35 #define LINUX_NFDBITS sizeof(l_fd_mask) * 8
40 #define LINUX_NAME_MAX 255
41 #define LINUX_MAX_UTSNAME 65
43 #define LINUX_CTL_MAXNAME 10
45 /* defines for prctl */
46 #define LINUX_PR_SET_PDEATHSIG 1 /* Second arg is a signal. */
47 #define LINUX_PR_GET_PDEATHSIG 2 /*
48 * Second arg is a ptr to return the
51 #define LINUX_PR_GET_DUMPABLE 3
52 #define LINUX_PR_SET_DUMPABLE 4
53 #define LINUX_PR_GET_KEEPCAPS 7 /* Get drop capabilities on setuid */
54 #define LINUX_PR_SET_KEEPCAPS 8 /* Set drop capabilities on setuid */
55 #define LINUX_PR_SET_NAME 15 /* Set process name. */
56 #define LINUX_PR_GET_NAME 16 /* Get process name. */
57 #define LINUX_PR_GET_SECCOMP 21
58 #define LINUX_PR_SET_SECCOMP 22
59 #define LINUX_PR_CAPBSET_READ 23
60 #define LINUX_PR_SET_NO_NEW_PRIVS 38
61 #define LINUX_PR_SET_PTRACER 1499557217
63 #define LINUX_MAX_COMM_LEN 16 /* Maximum length of the process name. */
65 /* For GET/SET DUMPABLE */
66 #define LINUX_SUID_DUMP_DISABLE 0 /* Don't coredump setuid processes. */
67 #define LINUX_SUID_DUMP_USER 1 /* Dump as user of process. */
68 #define LINUX_SUID_DUMP_ROOT 2 /* Dump as root. */
70 #define LINUX_MREMAP_MAYMOVE 1
71 #define LINUX_MREMAP_FIXED 2
73 #define LINUX_PATH_MAX 4096
76 * Non-standard aux entry types used in Linux ELF binaries.
79 #define LINUX_AT_PLATFORM 15 /* String identifying CPU */
80 #define LINUX_AT_HWCAP 16 /* CPU capabilities */
81 #define LINUX_AT_CLKTCK 17 /* frequency at which times() increments */
82 #define LINUX_AT_SECURE 23 /* secure mode boolean */
83 #define LINUX_AT_BASE_PLATFORM 24 /* string identifying real platform, may
84 * differ from AT_PLATFORM.
86 #define LINUX_AT_RANDOM 25 /* address of random bytes */
87 #define LINUX_AT_HWCAP2 26 /* CPU capabilities, second part */
88 #define LINUX_AT_EXECFN 31 /* filename of program */
89 #define LINUX_AT_SYSINFO 32 /* vsyscall */
90 #define LINUX_AT_SYSINFO_EHDR 33 /* vdso header */
92 #define LINUX_AT_RANDOM_LEN 16 /* size of random bytes */
94 #ifndef LINUX_AT_MINSIGSTKSZ
95 #define LINUX_AT_MINSIGSTKSZ 51 /* min stack size required by the kernel */
98 /* Linux sets the i387 to extended precision. */
99 #if defined(__i386__) || defined(__amd64__)
100 #define __LINUX_NPXCW__ 0x37f
103 /* Scheduling policies */
104 #define LINUX_SCHED_OTHER 0
105 #define LINUX_SCHED_FIFO 1
106 #define LINUX_SCHED_RR 2
108 #define LINUX_MAX_RT_PRIO 100
110 struct l_new_utsname {
111 char sysname[LINUX_MAX_UTSNAME];
112 char nodename[LINUX_MAX_UTSNAME];
113 char release[LINUX_MAX_UTSNAME];
114 char version[LINUX_MAX_UTSNAME];
115 char machine[LINUX_MAX_UTSNAME];
116 char domainname[LINUX_MAX_UTSNAME];
119 #define LINUX_UTIME_NOW 0x3FFFFFFF
120 #define LINUX_UTIME_OMIT 0x3FFFFFFE
124 #define LINUX_WNOHANG 0x00000001
125 #define LINUX_WUNTRACED 0x00000002
126 #define LINUX_WSTOPPED LINUX_WUNTRACED
127 #define LINUX_WEXITED 0x00000004
128 #define LINUX_WCONTINUED 0x00000008
129 #define LINUX_WNOWAIT 0x01000000
131 #define __WNOTHREAD 0x20000000
132 #define __WALL 0x40000000
133 #define __WCLONE 0x80000000
135 /* Linux waitid idtype */
136 #define LINUX_P_ALL 0
137 #define LINUX_P_PID 1
138 #define LINUX_P_PGID 2
139 #define LINUX_P_PIDFD 3
141 #define LINUX_RLIMIT_LOCKS 10
142 #define LINUX_RLIMIT_SIGPENDING 11
143 #define LINUX_RLIMIT_MSGQUEUE 12
144 #define LINUX_RLIMIT_NICE 13
145 #define LINUX_RLIMIT_RTPRIO 14
146 #define LINUX_RLIMIT_RTTIME 15
148 #define LINUX_RLIM_INFINITY (~0UL)
150 /* Linux getrandom flags */
151 #define LINUX_GRND_NONBLOCK 0x0001
152 #define LINUX_GRND_RANDOM 0x0002
154 /* Linux syslog flags */
155 #define LINUX_SYSLOG_ACTION_READ_ALL 3
157 /* Linux seccomp flags */
158 #define LINUX_SECCOMP_GET_ACTION_AVAIL 2
160 /* Linux /proc/self/oom_score_adj */
161 #define LINUX_OOM_SCORE_ADJ_MIN -1000
162 #define LINUX_OOM_SCORE_ADJ_MAX 1000
164 #if defined(__aarch64__) || (defined(__amd64__) && !defined(COMPAT_LINUX32))
165 int linux_ptrace_status(struct thread *td, int pid, int status);
167 void linux_to_bsd_waitopts(int options, int *bsdopts);
168 struct thread *linux_tdfind(struct thread *, lwpid_t, pid_t);
170 struct syscall_info {
173 uint64_t instruction_pointer;
174 uint64_t stack_pointer;
192 /* Linux ioprio set/get syscalls */
193 #define LINUX_IOPRIO_CLASS_SHIFT 13
194 #define LINUX_IOPRIO_CLASS_MASK 0x07
195 #define LINUX_IOPRIO_PRIO_MASK ((1UL << LINUX_IOPRIO_CLASS_SHIFT) - 1)
197 #define LINUX_IOPRIO_PRIO_CLASS(ioprio) \
198 (((ioprio) >> LINUX_IOPRIO_CLASS_SHIFT) & LINUX_IOPRIO_CLASS_MASK)
199 #define LINUX_IOPRIO_PRIO_DATA(ioprio) ((ioprio) & LINUX_IOPRIO_PRIO_MASK)
200 #define LINUX_IOPRIO_PRIO(class, data) \
201 ((((class) & LINUX_IOPRIO_CLASS_MASK) << LINUX_IOPRIO_CLASS_SHIFT) | \
202 ((data) & LINUX_IOPRIO_PRIO_MASK))
204 #define LINUX_IOPRIO_CLASS_NONE 0
205 #define LINUX_IOPRIO_CLASS_RT 1
206 #define LINUX_IOPRIO_CLASS_BE 2
207 #define LINUX_IOPRIO_CLASS_IDLE 3
209 #define LINUX_IOPRIO_MIN 0
210 #define LINUX_IOPRIO_MAX 7
212 #define LINUX_IOPRIO_WHO_PROCESS 1
213 #define LINUX_IOPRIO_WHO_PGRP 2
214 #define LINUX_IOPRIO_WHO_USER 3
216 #endif /* _LINUX_MISC_H_ */