2 * SPDX-License-Identifier: BSD-2-Clause
4 * Copyright (c) 2022 Dmitry Chagin <dchagin@FreeBSD.org>
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 #include <sys/cdefs.h>
29 __FBSDID("$FreeBSD$");
31 #include <sys/types.h>
35 #include <sysdecode.h>
40 #include <arm64/linux/linux.h>
42 #include <i386/linux/linux.h>
45 #include <amd64/linux32/linux.h>
47 #include <amd64/linux/linux.h>
50 #error "Unsupported Linux arch"
53 #include <compat/linux/linux.h>
54 #include <compat/linux/linux_file.h>
55 #include <compat/linux/linux_fork.h>
56 #include <compat/linux/linux_time.h>
58 #define X(a,b) { a, #b },
59 #define XEND { 0, NULL }
61 #define TABLE_START(n) static struct name_table n[] = {
63 #define TABLE_END XEND };
65 #include "tables_linux.h"
71 static const char *linux_signames[] = {
72 [LINUX_SIGHUP] = "SIGHUP",
73 [LINUX_SIGINT] = "SIGINT",
74 [LINUX_SIGQUIT] = "SIGQUIT",
75 [LINUX_SIGILL] = "SIGILL",
76 [LINUX_SIGTRAP] = "SIGTRAP",
77 [LINUX_SIGABRT] = "SIGABRT",
78 [LINUX_SIGBUS] = "SIGBUS",
79 [LINUX_SIGFPE] = "SIGFPE",
80 [LINUX_SIGKILL] = "SIGKILL",
81 [LINUX_SIGUSR1] = "SIGUSR1",
82 [LINUX_SIGSEGV] = "SIGSEGV",
83 [LINUX_SIGUSR2] = "SIGUSR2",
84 [LINUX_SIGPIPE] = "SIGPIPE",
85 [LINUX_SIGALRM] = "SIGALRM",
86 [LINUX_SIGTERM] = "SIGTERM",
87 [LINUX_SIGSTKFLT] = "SIGSTKFLT",
88 [LINUX_SIGCHLD] = "SIGCHLD",
89 [LINUX_SIGCONT] = "SIGCONT",
90 [LINUX_SIGSTOP] = "SIGSTOP",
91 [LINUX_SIGTSTP] = "SIGTSTP",
92 [LINUX_SIGTTIN] = "SIGTTIN",
93 [LINUX_SIGTTOU] = "SIGTTOU",
94 [LINUX_SIGURG] = "SIGURG",
95 [LINUX_SIGXCPU] = "SIGXCPU",
96 [LINUX_SIGXFSZ] = "SIGXFSZ",
97 [LINUX_SIGVTALRM] = "SIGVTALRM",
98 [LINUX_SIGPROF] = "SIGPROF",
99 [LINUX_SIGWINCH] = "SIGWINCH",
100 [LINUX_SIGIO] = "SIGIO",
101 [LINUX_SIGPWR] = "SIGPWR",
102 [LINUX_SIGSYS] = "SIGSYS",
104 [LINUX_SIGRTMIN] = "SIGCANCEL",
105 [LINUX_SIGRTMIN + 1] = "SIGSETXID",
106 [LINUX_SIGRTMIN + 2] = "SIGRT2",
107 [LINUX_SIGRTMIN + 3] = "SIGRT3",
108 [LINUX_SIGRTMIN + 4] = "SIGRT4",
109 [LINUX_SIGRTMIN + 5] = "SIGRT5",
110 [LINUX_SIGRTMIN + 6] = "SIGRT6",
111 [LINUX_SIGRTMIN + 7] = "SIGRT7",
112 [LINUX_SIGRTMIN + 8] = "SIGRT8",
113 [LINUX_SIGRTMIN + 9] = "SIGRT9",
114 [LINUX_SIGRTMIN + 10] = "SIGRT10",
115 [LINUX_SIGRTMIN + 11] = "SIGRT11",
116 [LINUX_SIGRTMIN + 12] = "SIGRT12",
117 [LINUX_SIGRTMIN + 13] = "SIGRT13",
118 [LINUX_SIGRTMIN + 14] = "SIGRT14",
119 [LINUX_SIGRTMIN + 15] = "SIGRT15",
120 [LINUX_SIGRTMIN + 16] = "SIGRT16",
121 [LINUX_SIGRTMIN + 17] = "SIGRT17",
122 [LINUX_SIGRTMIN + 18] = "SIGRT18",
123 [LINUX_SIGRTMIN + 19] = "SIGRT19",
124 [LINUX_SIGRTMIN + 20] = "SIGRT20",
125 [LINUX_SIGRTMIN + 21] = "SIGRT21",
126 [LINUX_SIGRTMIN + 22] = "SIGRT22",
127 [LINUX_SIGRTMIN + 23] = "SIGRT23",
128 [LINUX_SIGRTMIN + 24] = "SIGRT24",
129 [LINUX_SIGRTMIN + 25] = "SIGRT25",
130 [LINUX_SIGRTMIN + 26] = "SIGRT26",
131 [LINUX_SIGRTMIN + 27] = "SIGRT27",
132 [LINUX_SIGRTMIN + 28] = "SIGRT28",
133 [LINUX_SIGRTMIN + 29] = "SIGRT29",
134 [LINUX_SIGRTMIN + 30] = "SIGRT30",
135 [LINUX_SIGRTMIN + 31] = "SIGRT31",
136 [LINUX_SIGRTMIN + 32] = "SIGRTMAX",
138 _Static_assert(nitems(linux_signames) == LINUX_SIGRTMAX + 1,
139 "invalid entries count in linux_signames");
142 sysdecode_linux_clockid(FILE *fp, clockid_t which)
149 str = lookup_value(clockids, which);
151 fprintf(fp, "UNKNOWN(%d)", which);
156 if ((which & LINUX_CLOCKFD_MASK) == LINUX_CLOCKFD_MASK) {
157 fputs("INVALID PERTHREAD|CLOCKFD", fp);
160 ci = LINUX_CPUCLOCK_WHICH(which);
161 if (LINUX_CPUCLOCK_PERTHREAD(which) == true)
162 fputs("THREAD|", fp);
164 fputs("PROCESS|", fp);
165 str = lookup_value(clockcpuids, ci);
169 if (ci == LINUX_CLOCKFD)
170 fputs("CLOCKFD", fp);
172 fprintf(fp, "UNKNOWN(%d)", which);
176 pid = LINUX_CPUCLOCK_ID(which);
177 fprintf(fp, "(%d)", pid);
181 sysdecode_linux_signal(int sig)
184 if ((unsigned)sig < nitems(linux_signames))
185 return (linux_signames[sig]);
190 sysdecode_linux_sigprocmask_how(int how)
193 return (lookup_value(sigprocmaskhow, how));
197 sysdecode_linux_clock_flags(FILE *fp, int flags, int *rem)
200 return (print_mask_int(fp, clockflags, flags, rem));
204 sysdecode_linux_atflags(FILE *fp, int flag, int *rem)
207 return (print_mask_int(fp, atflags, flag, rem));
211 sysdecode_linux_open_flags(FILE *fp, int flags, int *rem)
217 mode = flags & LINUX_O_ACCMODE;
218 flags &= ~LINUX_O_ACCMODE;
221 fputs("O_RDONLY", fp);
226 fputs("O_WRONLY", fp);
238 val = (unsigned)flags;
239 print_mask_part(fp, openflags, &val, &printed);
246 sysdecode_linux_clone_flags(FILE *fp, int flags, int *rem)
252 sig = flags & LINUX_CSIGNAL;
254 fprintf(fp, "(%s)", sysdecode_linux_signal(sig));
255 val = (unsigned)flags & ~LINUX_CSIGNAL;
256 print_mask_part(fp, cloneflags, &val, &printed);