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>
44 #include <amd64/linux/linux.h>
46 #error "Unsupported Linux arch"
49 #include <compat/linux/linux.h>
50 #include <compat/linux/linux_file.h>
51 #include <compat/linux/linux_fork.h>
52 #include <compat/linux/linux_time.h>
54 #define X(a,b) { a, #b },
55 #define XEND { 0, NULL }
57 #define TABLE_START(n) static struct name_table n[] = {
59 #define TABLE_END XEND };
61 #include "tables_linux.h"
67 static const char *linux_signames[] = {
68 [LINUX_SIGHUP] = "SIGHUP",
69 [LINUX_SIGINT] = "SIGINT",
70 [LINUX_SIGQUIT] = "SIGQUIT",
71 [LINUX_SIGILL] = "SIGILL",
72 [LINUX_SIGTRAP] = "SIGTRAP",
73 [LINUX_SIGABRT] = "SIGABRT",
74 [LINUX_SIGBUS] = "SIGBUS",
75 [LINUX_SIGFPE] = "SIGFPE",
76 [LINUX_SIGKILL] = "SIGKILL",
77 [LINUX_SIGUSR1] = "SIGUSR1",
78 [LINUX_SIGSEGV] = "SIGSEGV",
79 [LINUX_SIGUSR2] = "SIGUSR2",
80 [LINUX_SIGPIPE] = "SIGPIPE",
81 [LINUX_SIGALRM] = "SIGALRM",
82 [LINUX_SIGTERM] = "SIGTERM",
83 [LINUX_SIGSTKFLT] = "SIGSTKFLT",
84 [LINUX_SIGCHLD] = "SIGCHLD",
85 [LINUX_SIGCONT] = "SIGCONT",
86 [LINUX_SIGSTOP] = "SIGSTOP",
87 [LINUX_SIGTSTP] = "SIGTSTP",
88 [LINUX_SIGTTIN] = "SIGTTIN",
89 [LINUX_SIGTTOU] = "SIGTTOU",
90 [LINUX_SIGURG] = "SIGURG",
91 [LINUX_SIGXCPU] = "SIGXCPU",
92 [LINUX_SIGXFSZ] = "SIGXFSZ",
93 [LINUX_SIGVTALRM] = "SIGVTALRM",
94 [LINUX_SIGPROF] = "SIGPROF",
95 [LINUX_SIGWINCH] = "SIGWINCH",
96 [LINUX_SIGIO] = "SIGIO",
97 [LINUX_SIGPWR] = "SIGPWR",
98 [LINUX_SIGSYS] = "SIGSYS",
100 [LINUX_SIGRTMIN] = "SIGCANCEL",
101 [LINUX_SIGRTMIN + 1] = "SIGSETXID",
102 [LINUX_SIGRTMIN + 2] = "SIGRT2",
103 [LINUX_SIGRTMIN + 3] = "SIGRT3",
104 [LINUX_SIGRTMIN + 4] = "SIGRT4",
105 [LINUX_SIGRTMIN + 5] = "SIGRT5",
106 [LINUX_SIGRTMIN + 6] = "SIGRT6",
107 [LINUX_SIGRTMIN + 7] = "SIGRT7",
108 [LINUX_SIGRTMIN + 8] = "SIGRT8",
109 [LINUX_SIGRTMIN + 9] = "SIGRT9",
110 [LINUX_SIGRTMIN + 10] = "SIGRT10",
111 [LINUX_SIGRTMIN + 11] = "SIGRT11",
112 [LINUX_SIGRTMIN + 12] = "SIGRT12",
113 [LINUX_SIGRTMIN + 13] = "SIGRT13",
114 [LINUX_SIGRTMIN + 14] = "SIGRT14",
115 [LINUX_SIGRTMIN + 15] = "SIGRT15",
116 [LINUX_SIGRTMIN + 16] = "SIGRT16",
117 [LINUX_SIGRTMIN + 17] = "SIGRT17",
118 [LINUX_SIGRTMIN + 18] = "SIGRT18",
119 [LINUX_SIGRTMIN + 19] = "SIGRT19",
120 [LINUX_SIGRTMIN + 20] = "SIGRT20",
121 [LINUX_SIGRTMIN + 21] = "SIGRT21",
122 [LINUX_SIGRTMIN + 22] = "SIGRT22",
123 [LINUX_SIGRTMIN + 23] = "SIGRT23",
124 [LINUX_SIGRTMIN + 24] = "SIGRT24",
125 [LINUX_SIGRTMIN + 25] = "SIGRT25",
126 [LINUX_SIGRTMIN + 26] = "SIGRT26",
127 [LINUX_SIGRTMIN + 27] = "SIGRT27",
128 [LINUX_SIGRTMIN + 28] = "SIGRT28",
129 [LINUX_SIGRTMIN + 29] = "SIGRT29",
130 [LINUX_SIGRTMIN + 30] = "SIGRT30",
131 [LINUX_SIGRTMIN + 31] = "SIGRT31",
132 [LINUX_SIGRTMIN + 32] = "SIGRTMAX",
134 _Static_assert(nitems(linux_signames) == LINUX_SIGRTMAX + 1,
135 "invalid entries count in linux_signames");
138 sysdecode_linux_clockid(FILE *fp, clockid_t which)
145 str = lookup_value(clockids, which);
147 fprintf(fp, "UNKNOWN(%d)", which);
152 if ((which & LINUX_CLOCKFD_MASK) == LINUX_CLOCKFD_MASK) {
153 fputs("INVALID PERTHREAD|CLOCKFD", fp);
156 ci = LINUX_CPUCLOCK_WHICH(which);
157 if (LINUX_CPUCLOCK_PERTHREAD(which) == true)
158 fputs("THREAD|", fp);
160 fputs("PROCESS|", fp);
161 str = lookup_value(clockcpuids, ci);
165 if (ci == LINUX_CLOCKFD)
166 fputs("CLOCKFD", fp);
168 fprintf(fp, "UNKNOWN(%d)", which);
172 pid = LINUX_CPUCLOCK_ID(which);
173 fprintf(fp, "(%d)", pid);
177 sysdecode_linux_signal(int sig)
180 if ((unsigned)sig < nitems(linux_signames))
181 return (linux_signames[sig]);
186 sysdecode_linux_sigprocmask_how(int how)
189 return (lookup_value(sigprocmaskhow, how));
193 sysdecode_linux_clock_flags(FILE *fp, int flags, int *rem)
196 return (print_mask_int(fp, clockflags, flags, rem));
200 sysdecode_linux_atflags(FILE *fp, int flag, int *rem)
203 return (print_mask_int(fp, atflags, flag, rem));
207 sysdecode_linux_open_flags(FILE *fp, int flags, int *rem)
213 mode = flags & LINUX_O_ACCMODE;
214 flags &= ~LINUX_O_ACCMODE;
217 fputs("O_RDONLY", fp);
222 fputs("O_WRONLY", fp);
234 val = (unsigned)flags;
235 print_mask_part(fp, openflags, &val, &printed);
242 sysdecode_linux_clone_flags(FILE *fp, int flags, int *rem)
248 sig = flags & LINUX_CSIGNAL;
250 fprintf(fp, "(%s)", sysdecode_linux_signal(sig));
251 val = (unsigned)flags & ~LINUX_CSIGNAL;
252 print_mask_part(fp, cloneflags, &val, &printed);