2 * Copyright 1997 Sean Eric Fagan
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 * 3. All advertising materials mentioning features or use of this software
13 * must display the following acknowledgement:
14 * This product includes software developed by Sean Eric Fagan
15 * 4. Neither the name of the author may be used to endorse or promote
16 * products derived from this software without specific prior written
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 #include <sys/cdefs.h>
33 __FBSDID("$FreeBSD$");
36 * This file has routines used to print out system calls and their
40 #include <sys/types.h>
41 #include <sys/event.h>
42 #include <sys/ioccom.h>
44 #include <sys/mount.h>
45 #include <sys/procctl.h>
46 #include <sys/ptrace.h>
47 #include <sys/resource.h>
48 #include <sys/socket.h>
50 #include <machine/atomic.h>
55 #include <machine/sysarch.h>
56 #include <netinet/in.h>
57 #include <arpa/inet.h>
77 /* 64-bit alignment on 32-bit platforms. */
78 #if !defined(__LP64__) && defined(__powerpc__)
84 /* Number of slots needed for a 64-bit argument. */
92 * This should probably be in its own file, sorted alphabetically.
94 static struct syscall decoded_syscalls[] = {
96 { .name = "__getcwd", .ret_type = 1, .nargs = 2,
97 .args = { { Name | OUT, 0 }, { Int, 1 } } },
98 { .name = "_umtx_lock", .ret_type = 1, .nargs = 1,
99 .args = { { Umtx, 0 } } },
100 { .name = "_umtx_op", .ret_type = 1, .nargs = 5,
101 .args = { { Ptr, 0 }, { Umtxop, 1 }, { LongHex, 2 }, { Ptr, 3 },
103 { .name = "_umtx_unlock", .ret_type = 1, .nargs = 1,
104 .args = { { Umtx, 0 } } },
105 { .name = "accept", .ret_type = 1, .nargs = 3,
106 .args = { { Int, 0 }, { Sockaddr | OUT, 1 }, { Ptr | OUT, 2 } } },
107 { .name = "access", .ret_type = 1, .nargs = 2,
108 .args = { { Name | IN, 0 }, { Accessmode, 1 } } },
109 { .name = "bind", .ret_type = 1, .nargs = 3,
110 .args = { { Int, 0 }, { Sockaddr | IN, 1 }, { Int, 2 } } },
111 { .name = "bindat", .ret_type = 1, .nargs = 4,
112 .args = { { Atfd, 0 }, { Int, 1 }, { Sockaddr | IN, 2 },
114 { .name = "break", .ret_type = 1, .nargs = 1,
115 .args = { { Ptr, 0 } } },
116 { .name = "chdir", .ret_type = 1, .nargs = 1,
117 .args = { { Name, 0 } } },
118 { .name = "chflags", .ret_type = 1, .nargs = 2,
119 .args = { { Name | IN, 0 }, { Hex, 1 } } },
120 { .name = "chmod", .ret_type = 1, .nargs = 2,
121 .args = { { Name, 0 }, { Octal, 1 } } },
122 { .name = "chown", .ret_type = 1, .nargs = 3,
123 .args = { { Name, 0 }, { Int, 1 }, { Int, 2 } } },
124 { .name = "chroot", .ret_type = 1, .nargs = 1,
125 .args = { { Name, 0 } } },
126 { .name = "clock_gettime", .ret_type = 1, .nargs = 2,
127 .args = { { Int, 0 }, { Timespec | OUT, 1 } } },
128 { .name = "close", .ret_type = 1, .nargs = 1,
129 .args = { { Int, 0 } } },
130 { .name = "connect", .ret_type = 1, .nargs = 3,
131 .args = { { Int, 0 }, { Sockaddr | IN, 1 }, { Int, 2 } } },
132 { .name = "connectat", .ret_type = 1, .nargs = 4,
133 .args = { { Atfd, 0 }, { Int, 1 }, { Sockaddr | IN, 2 },
135 { .name = "eaccess", .ret_type = 1, .nargs = 2,
136 .args = { { Name | IN, 0 }, { Accessmode, 1 } } },
137 { .name = "execve", .ret_type = 1, .nargs = 3,
138 .args = { { Name | IN, 0 }, { ExecArgs | IN, 1 },
139 { ExecEnv | IN, 2 } } },
140 { .name = "exit", .ret_type = 0, .nargs = 1,
141 .args = { { Hex, 0 } } },
142 { .name = "faccessat", .ret_type = 1, .nargs = 4,
143 .args = { { Atfd, 0 }, { Name | IN, 1 }, { Accessmode, 2 },
145 { .name = "fchmod", .ret_type = 1, .nargs = 2,
146 .args = { { Int, 0 }, { Octal, 1 } } },
147 { .name = "fchmodat", .ret_type = 1, .nargs = 4,
148 .args = { { Atfd, 0 }, { Name, 1 }, { Octal, 2 }, { Atflags, 3 } } },
149 { .name = "fchown", .ret_type = 1, .nargs = 3,
150 .args = { { Int, 0 }, { Int, 1 }, { Int, 2 } } },
151 { .name = "fchownat", .ret_type = 1, .nargs = 5,
152 .args = { { Atfd, 0 }, { Name, 1 }, { Int, 2 }, { Int, 3 },
154 { .name = "fcntl", .ret_type = 1, .nargs = 3,
155 .args = { { Int, 0 }, { Fcntl, 1 }, { Fcntlflag, 2 } } },
156 { .name = "fstat", .ret_type = 1, .nargs = 2,
157 .args = { { Int, 0 }, { Stat | OUT, 1 } } },
158 { .name = "fstatat", .ret_type = 1, .nargs = 4,
159 .args = { { Atfd, 0 }, { Name | IN, 1 }, { Stat | OUT, 2 },
161 { .name = "fstatfs", .ret_type = 1, .nargs = 2,
162 .args = { { Int, 0 }, { StatFs | OUT, 1 } } },
163 { .name = "ftruncate", .ret_type = 1, .nargs = 2,
164 .args = { { Int | IN, 0 }, { QuadHex | IN, 1 + QUAD_ALIGN } } },
165 { .name = "futimens", .ret_type = 1, .nargs = 2,
166 .args = { { Int, 0 }, { Timespec2 | IN, 1 } } },
167 { .name = "futimes", .ret_type = 1, .nargs = 2,
168 .args = { { Int, 0 }, { Timeval2 | IN, 1 } } },
169 { .name = "futimesat", .ret_type = 1, .nargs = 3,
170 .args = { { Atfd, 0 }, { Name | IN, 1 }, { Timeval2 | IN, 2 } } },
171 { .name = "getitimer", .ret_type = 1, .nargs = 2,
172 .args = { { Int, 0 }, { Itimerval | OUT, 2 } } },
173 { .name = "getpeername", .ret_type = 1, .nargs = 3,
174 .args = { { Int, 0 }, { Sockaddr | OUT, 1 }, { Ptr | OUT, 2 } } },
175 { .name = "getpgid", .ret_type = 1, .nargs = 1,
176 .args = { { Int, 0 } } },
177 { .name = "getrlimit", .ret_type = 1, .nargs = 2,
178 .args = { { Resource, 0 }, { Rlimit | OUT, 1 } } },
179 { .name = "getrusage", .ret_type = 1, .nargs = 2,
180 .args = { { Int, 0 }, { Rusage | OUT, 1 } } },
181 { .name = "getsid", .ret_type = 1, .nargs = 1,
182 .args = { { Int, 0 } } },
183 { .name = "getsockname", .ret_type = 1, .nargs = 3,
184 .args = { { Int, 0 }, { Sockaddr | OUT, 1 }, { Ptr | OUT, 2 } } },
185 { .name = "gettimeofday", .ret_type = 1, .nargs = 2,
186 .args = { { Timeval | OUT, 0 }, { Ptr, 1 } } },
187 { .name = "ioctl", .ret_type = 1, .nargs = 3,
188 .args = { { Int, 0 }, { Ioctl, 1 }, { Hex, 2 } } },
189 { .name = "kevent", .ret_type = 1, .nargs = 6,
190 .args = { { Int, 0 }, { Kevent, 1 }, { Int, 2 }, { Kevent | OUT, 3 },
191 { Int, 4 }, { Timespec, 5 } } },
192 { .name = "kill", .ret_type = 1, .nargs = 2,
193 .args = { { Int | IN, 0 }, { Signal | IN, 1 } } },
194 { .name = "kldfind", .ret_type = 1, .nargs = 1,
195 .args = { { Name | IN, 0 } } },
196 { .name = "kldfirstmod", .ret_type = 1, .nargs = 1,
197 .args = { { Int, 0 } } },
198 { .name = "kldload", .ret_type = 1, .nargs = 1,
199 .args = { { Name | IN, 0 } } },
200 { .name = "kldnext", .ret_type = 1, .nargs = 1,
201 .args = { { Int, 0 } } },
202 { .name = "kldstat", .ret_type = 1, .nargs = 2,
203 .args = { { Int, 0 }, { Ptr, 1 } } },
204 { .name = "kldunload", .ret_type = 1, .nargs = 1,
205 .args = { { Int, 0 } } },
206 { .name = "kse_release", .ret_type = 0, .nargs = 1,
207 .args = { { Timespec, 0 } } },
208 { .name = "lchflags", .ret_type = 1, .nargs = 2,
209 .args = { { Name | IN, 0 }, { Hex, 1 } } },
210 { .name = "lchmod", .ret_type = 1, .nargs = 2,
211 .args = { { Name, 0 }, { Octal, 1 } } },
212 { .name = "lchown", .ret_type = 1, .nargs = 3,
213 .args = { { Name, 0 }, { Int, 1 }, { Int, 2 } } },
214 { .name = "link", .ret_type = 1, .nargs = 2,
215 .args = { { Name, 0 }, { Name, 1 } } },
216 { .name = "linkat", .ret_type = 1, .nargs = 5,
217 .args = { { Atfd, 0 }, { Name, 1 }, { Atfd, 2 }, { Name, 3 },
219 { .name = "lseek", .ret_type = 2, .nargs = 3,
220 .args = { { Int, 0 }, { QuadHex, 1 + QUAD_ALIGN },
221 { Whence, 1 + QUAD_SLOTS + QUAD_ALIGN } } },
222 { .name = "lstat", .ret_type = 1, .nargs = 2,
223 .args = { { Name | IN, 0 }, { Stat | OUT, 1 } } },
224 { .name = "lutimes", .ret_type = 1, .nargs = 2,
225 .args = { { Name | IN, 0 }, { Timeval2 | IN, 1 } } },
226 { .name = "mkdir", .ret_type = 1, .nargs = 2,
227 .args = { { Name, 0 }, { Octal, 1 } } },
228 { .name = "mkdirat", .ret_type = 1, .nargs = 3,
229 .args = { { Atfd, 0 }, { Name, 1 }, { Octal, 2 } } },
230 { .name = "mkfifo", .ret_type = 1, .nargs = 2,
231 .args = { { Name, 0 }, { Octal, 1 } } },
232 { .name = "mkfifoat", .ret_type = 1, .nargs = 3,
233 .args = { { Atfd, 0 }, { Name, 1 }, { Octal, 2 } } },
234 { .name = "mknod", .ret_type = 1, .nargs = 3,
235 .args = { { Name, 0 }, { Octal, 1 }, { Int, 2 } } },
236 { .name = "mknodat", .ret_type = 1, .nargs = 4,
237 .args = { { Atfd, 0 }, { Name, 1 }, { Octal, 2 }, { Int, 3 } } },
238 { .name = "mmap", .ret_type = 1, .nargs = 6,
239 .args = { { Ptr, 0 }, { Int, 1 }, { Mprot, 2 }, { Mmapflags, 3 },
240 { Int, 4 }, { QuadHex, 5 + QUAD_ALIGN } } },
241 { .name = "modfind", .ret_type = 1, .nargs = 1,
242 .args = { { Name | IN, 0 } } },
243 { .name = "mount", .ret_type = 1, .nargs = 4,
244 .args = { { Name, 0 }, { Name, 1 }, { Int, 2 }, { Ptr, 3 } } },
245 { .name = "mprotect", .ret_type = 1, .nargs = 3,
246 .args = { { Ptr, 0 }, { Int, 1 }, { Mprot, 2 } } },
247 { .name = "munmap", .ret_type = 1, .nargs = 2,
248 .args = { { Ptr, 0 }, { Int, 1 } } },
249 { .name = "nanosleep", .ret_type = 1, .nargs = 1,
250 .args = { { Timespec, 0 } } },
251 { .name = "open", .ret_type = 1, .nargs = 3,
252 .args = { { Name | IN, 0 }, { Open, 1 }, { Octal, 2 } } },
253 { .name = "openat", .ret_type = 1, .nargs = 4,
254 .args = { { Atfd, 0 }, { Name | IN, 1 }, { Open, 2 },
256 { .name = "pathconf", .ret_type = 1, .nargs = 2,
257 .args = { { Name | IN, 0 }, { Pathconf, 1 } } },
258 { .name = "pipe", .ret_type = 1, .nargs = 1,
259 .args = { { PipeFds | OUT, 0 } } },
260 { .name = "pipe2", .ret_type = 1, .nargs = 2,
261 .args = { { Ptr, 0 }, { Open, 1 } } },
262 { .name = "poll", .ret_type = 1, .nargs = 3,
263 .args = { { Pollfd, 0 }, { Int, 1 }, { Int, 2 } } },
264 { .name = "posix_openpt", .ret_type = 1, .nargs = 1,
265 .args = { { Open, 0 } } },
266 { .name = "procctl", .ret_type = 1, .nargs = 4,
267 .args = { { Idtype, 0 }, { Quad, 1 + QUAD_ALIGN },
268 { Procctl, 1 + QUAD_ALIGN + QUAD_SLOTS },
269 { Ptr, 2 + QUAD_ALIGN + QUAD_SLOTS } } },
270 { .name = "read", .ret_type = 1, .nargs = 3,
271 .args = { { Int, 0 }, { BinString | OUT, 1 }, { Int, 2 } } },
272 { .name = "readlink", .ret_type = 1, .nargs = 3,
273 .args = { { Name, 0 }, { Readlinkres | OUT, 1 }, { Int, 2 } } },
274 { .name = "readlinkat", .ret_type = 1, .nargs = 4,
275 .args = { { Atfd, 0 }, { Name, 1 }, { Readlinkres | OUT, 2 },
277 { .name = "recvfrom", .ret_type = 1, .nargs = 6,
278 .args = { { Int, 0 }, { BinString | OUT, 1 }, { Int, 2 }, { Hex, 3 },
279 { Sockaddr | OUT, 4 }, { Ptr | OUT, 5 } } },
280 { .name = "rename", .ret_type = 1, .nargs = 2,
281 .args = { { Name, 0 }, { Name, 1 } } },
282 { .name = "renameat", .ret_type = 1, .nargs = 4,
283 .args = { { Atfd, 0 }, { Name, 1 }, { Atfd, 2 }, { Name, 3 } } },
284 { .name = "rfork", .ret_type = 1, .nargs = 1,
285 .args = { { Rforkflags, 0 } } },
286 { .name = "rmdir", .ret_type = 1, .nargs = 1,
287 .args = { { Name, 0 } } },
288 { .name = "select", .ret_type = 1, .nargs = 5,
289 .args = { { Int, 0 }, { Fd_set, 1 }, { Fd_set, 2 }, { Fd_set, 3 },
291 { .name = "sendto", .ret_type = 1, .nargs = 6,
292 .args = { { Int, 0 }, { BinString | IN, 1 }, { Int, 2 }, { Hex, 3 },
293 { Sockaddr | IN, 4 }, { Ptr | IN, 5 } } },
294 { .name = "setitimer", .ret_type = 1, .nargs = 3,
295 .args = { { Int, 0 }, { Itimerval, 1 }, { Itimerval | OUT, 2 } } },
296 { .name = "setrlimit", .ret_type = 1, .nargs = 2,
297 .args = { { Resource, 0 }, { Rlimit | IN, 1 } } },
298 { .name = "shutdown", .ret_type = 1, .nargs = 2,
299 .args = { { Int, 0 }, { Shutdown, 1 } } },
300 { .name = "sigaction", .ret_type = 1, .nargs = 3,
301 .args = { { Signal, 0 }, { Sigaction | IN, 1 },
302 { Sigaction | OUT, 2 } } },
303 { .name = "sigpending", .ret_type = 1, .nargs = 1,
304 .args = { { Sigset | OUT, 0 } } },
305 { .name = "sigprocmask", .ret_type = 1, .nargs = 3,
306 .args = { { Sigprocmask, 0 }, { Sigset, 1 }, { Sigset | OUT, 2 } } },
307 { .name = "sigqueue", .ret_type = 1, .nargs = 3,
308 .args = { { Int, 0 }, { Signal, 1 }, { LongHex, 2 } } },
309 { .name = "sigreturn", .ret_type = 1, .nargs = 1,
310 .args = { { Ptr, 0 } } },
311 { .name = "sigsuspend", .ret_type = 1, .nargs = 1,
312 .args = { { Sigset | IN, 0 } } },
313 { .name = "sigtimedwait", .ret_type = 1, .nargs = 3,
314 .args = { { Sigset | IN, 0 }, { Ptr, 1 }, { Timespec | IN, 2 } } },
315 { .name = "sigwait", .ret_type = 1, .nargs = 2,
316 .args = { { Sigset | IN, 0 }, { Ptr, 1 } } },
317 { .name = "sigwaitinfo", .ret_type = 1, .nargs = 2,
318 .args = { { Sigset | IN, 0 }, { Ptr, 1 } } },
319 { .name = "socket", .ret_type = 1, .nargs = 3,
320 .args = { { Sockdomain, 0 }, { Socktype, 1 }, { Int, 2 } } },
321 { .name = "stat", .ret_type = 1, .nargs = 2,
322 .args = { { Name | IN, 0 }, { Stat | OUT, 1 } } },
323 { .name = "statfs", .ret_type = 1, .nargs = 2,
324 .args = { { Name | IN, 0 }, { StatFs | OUT, 1 } } },
325 { .name = "symlink", .ret_type = 1, .nargs = 2,
326 .args = { { Name, 0 }, { Name, 1 } } },
327 { .name = "symlinkat", .ret_type = 1, .nargs = 3,
328 .args = { { Name, 0 }, { Atfd, 1 }, { Name, 2 } } },
329 { .name = "sysarch", .ret_type = 1, .nargs = 2,
330 .args = { { Sysarch, 0 }, { Ptr, 1 } } },
331 { .name = "thr_kill", .ret_type = 1, .nargs = 2,
332 .args = { { Long, 0 }, { Signal, 1 } } },
333 { .name = "thr_self", .ret_type = 1, .nargs = 1,
334 .args = { { Ptr, 0 } } },
335 { .name = "truncate", .ret_type = 1, .nargs = 2,
336 .args = { { Name | IN, 0 }, { QuadHex | IN, 1 + QUAD_ALIGN } } },
339 { .name = "umount", .ret_type = 1, .nargs = 2,
340 .args = { { Name, 0 }, { Int, 2 } } },
342 { .name = "unlink", .ret_type = 1, .nargs = 1,
343 .args = { { Name, 0 } } },
344 { .name = "unlinkat", .ret_type = 1, .nargs = 3,
345 .args = { { Atfd, 0 }, { Name, 1 }, { Atflags, 2 } } },
346 { .name = "unmount", .ret_type = 1, .nargs = 2,
347 .args = { { Name, 0 }, { Int, 1 } } },
348 { .name = "utimensat", .ret_type = 1, .nargs = 4,
349 .args = { { Atfd, 0 }, { Name | IN, 1 }, { Timespec2 | IN, 2 },
351 { .name = "utimes", .ret_type = 1, .nargs = 2,
352 .args = { { Name | IN, 0 }, { Timeval2 | IN, 1 } } },
353 { .name = "wait4", .ret_type = 1, .nargs = 4,
354 .args = { { Int, 0 }, { ExitStatus | OUT, 1 }, { Waitoptions, 2 },
355 { Rusage | OUT, 3 } } },
356 { .name = "wait6", .ret_type = 1, .nargs = 6,
357 .args = { { Idtype, 0 }, { Quad, 1 + QUAD_ALIGN },
358 { ExitStatus | OUT, 1 + QUAD_ALIGN + QUAD_SLOTS },
359 { Waitoptions, 2 + QUAD_ALIGN + QUAD_SLOTS },
360 { Rusage | OUT, 3 + QUAD_ALIGN + QUAD_SLOTS },
361 { Ptr, 4 + QUAD_ALIGN + QUAD_SLOTS } } },
362 { .name = "write", .ret_type = 1, .nargs = 3,
363 .args = { { Int, 0 }, { BinString | IN, 1 }, { Int, 2 } } },
366 { .name = "linux_access", .ret_type = 1, .nargs = 2,
367 .args = { { Name, 0 }, { Accessmode, 1 } } },
368 { .name = "linux_execve", .ret_type = 1, .nargs = 3,
369 .args = { { Name | IN, 0 }, { ExecArgs | IN, 1 },
370 { ExecEnv | IN, 2 } } },
371 { .name = "linux_lseek", .ret_type = 2, .nargs = 3,
372 .args = { { Int, 0 }, { Int, 1 }, { Whence, 2 } } },
373 { .name = "linux_mkdir", .ret_type = 1, .nargs = 2,
374 .args = { { Name | IN, 0 }, { Int, 1 } } },
375 { .name = "linux_newfstat", .ret_type = 1, .nargs = 2,
376 .args = { { Int, 0 }, { Ptr | OUT, 1 } } },
377 { .name = "linux_newstat", .ret_type = 1, .nargs = 2,
378 .args = { { Name | IN, 0 }, { Ptr | OUT, 1 } } },
379 { .name = "linux_open", .ret_type = 1, .nargs = 3,
380 .args = { { Name, 0 }, { Hex, 1 }, { Octal, 2 } } },
381 { .name = "linux_readlink", .ret_type = 1, .nargs = 3,
382 .args = { { Name, 0 }, { Name | OUT, 1 }, { Int, 2 } } },
383 { .name = "linux_socketcall", .ret_type = 1, .nargs = 2,
384 .args = { { Int, 0 }, { LinuxSockArgs, 1 } } },
385 { .name = "linux_stat64", .ret_type = 1, .nargs = 3,
386 .args = { { Name | IN, 0 }, { Ptr | OUT, 1 }, { Ptr | IN, 1 } } },
390 static STAILQ_HEAD(, syscall) syscalls;
392 /* Xlat idea taken from strace */
398 #define X(a) { a, #a },
399 #define XEND { 0, NULL }
401 static struct xlat kevent_filters[] = {
402 X(EVFILT_READ) X(EVFILT_WRITE) X(EVFILT_AIO) X(EVFILT_VNODE)
403 X(EVFILT_PROC) X(EVFILT_SIGNAL) X(EVFILT_TIMER)
404 X(EVFILT_FS) X(EVFILT_LIO) X(EVFILT_USER) XEND
407 static struct xlat kevent_flags[] = {
408 X(EV_ADD) X(EV_DELETE) X(EV_ENABLE) X(EV_DISABLE) X(EV_ONESHOT)
409 X(EV_CLEAR) X(EV_RECEIPT) X(EV_DISPATCH)
410 X(EV_DROP) X(EV_FLAG1) X(EV_ERROR) X(EV_EOF) XEND
413 static struct xlat kevent_user_ffctrl[] = {
414 X(NOTE_FFNOP) X(NOTE_FFAND) X(NOTE_FFOR) X(NOTE_FFCOPY)
418 static struct xlat kevent_rdwr_fflags[] = {
422 static struct xlat kevent_vnode_fflags[] = {
423 X(NOTE_DELETE) X(NOTE_WRITE) X(NOTE_EXTEND) X(NOTE_ATTRIB)
424 X(NOTE_LINK) X(NOTE_RENAME) X(NOTE_REVOKE) XEND
427 static struct xlat kevent_proc_fflags[] = {
428 X(NOTE_EXIT) X(NOTE_FORK) X(NOTE_EXEC) X(NOTE_TRACK) X(NOTE_TRACKERR)
432 static struct xlat kevent_timer_fflags[] = {
433 X(NOTE_SECONDS) X(NOTE_MSECONDS) X(NOTE_USECONDS) X(NOTE_NSECONDS)
437 static struct xlat poll_flags[] = {
438 X(POLLSTANDARD) X(POLLIN) X(POLLPRI) X(POLLOUT) X(POLLERR)
439 X(POLLHUP) X(POLLNVAL) X(POLLRDNORM) X(POLLRDBAND)
440 X(POLLWRBAND) X(POLLINIGNEOF) XEND
443 static struct xlat mmap_flags[] = {
444 X(MAP_SHARED) X(MAP_PRIVATE) X(MAP_FIXED) X(MAP_RENAME)
445 X(MAP_NORESERVE) X(MAP_RESERVED0080) X(MAP_RESERVED0100)
446 X(MAP_HASSEMAPHORE) X(MAP_STACK) X(MAP_NOSYNC) X(MAP_ANON)
447 X(MAP_EXCL) X(MAP_NOCORE) X(MAP_PREFAULT_READ)
454 static struct xlat mprot_flags[] = {
455 X(PROT_NONE) X(PROT_READ) X(PROT_WRITE) X(PROT_EXEC) XEND
458 static struct xlat whence_arg[] = {
459 X(SEEK_SET) X(SEEK_CUR) X(SEEK_END) X(SEEK_DATA) X(SEEK_HOLE) XEND
462 static struct xlat sigaction_flags[] = {
463 X(SA_ONSTACK) X(SA_RESTART) X(SA_RESETHAND) X(SA_NOCLDSTOP)
464 X(SA_NODEFER) X(SA_NOCLDWAIT) X(SA_SIGINFO) XEND
467 static struct xlat fcntl_arg[] = {
468 X(F_DUPFD) X(F_GETFD) X(F_SETFD) X(F_GETFL) X(F_SETFL)
469 X(F_GETOWN) X(F_SETOWN) X(F_OGETLK) X(F_OSETLK) X(F_OSETLKW)
470 X(F_DUP2FD) X(F_GETLK) X(F_SETLK) X(F_SETLKW) X(F_SETLK_REMOTE)
471 X(F_READAHEAD) X(F_RDAHEAD) X(F_DUPFD_CLOEXEC) X(F_DUP2FD_CLOEXEC)
475 static struct xlat fcntlfd_arg[] = {
479 static struct xlat fcntlfl_arg[] = {
480 X(O_APPEND) X(O_ASYNC) X(O_FSYNC) X(O_NONBLOCK) X(O_NOFOLLOW)
481 X(FRDAHEAD) X(O_DIRECT) XEND
484 static struct xlat sockdomain_arg[] = {
485 X(PF_UNSPEC) X(PF_LOCAL) X(PF_UNIX) X(PF_INET) X(PF_IMPLINK)
486 X(PF_PUP) X(PF_CHAOS) X(PF_NETBIOS) X(PF_ISO) X(PF_OSI)
487 X(PF_ECMA) X(PF_DATAKIT) X(PF_CCITT) X(PF_SNA) X(PF_DECnet)
488 X(PF_DLI) X(PF_LAT) X(PF_HYLINK) X(PF_APPLETALK) X(PF_ROUTE)
489 X(PF_LINK) X(PF_XTP) X(PF_COIP) X(PF_CNT) X(PF_SIP) X(PF_IPX)
490 X(PF_RTIP) X(PF_PIP) X(PF_ISDN) X(PF_KEY) X(PF_INET6)
491 X(PF_NATM) X(PF_ATM) X(PF_NETGRAPH) X(PF_SLOW) X(PF_SCLUSTER)
492 X(PF_ARP) X(PF_BLUETOOTH) X(PF_IEEE80211) X(PF_INET_SDP)
496 static struct xlat socktype_arg[] = {
497 X(SOCK_STREAM) X(SOCK_DGRAM) X(SOCK_RAW) X(SOCK_RDM)
498 X(SOCK_SEQPACKET) XEND
501 static struct xlat open_flags[] = {
502 X(O_RDONLY) X(O_WRONLY) X(O_RDWR) X(O_ACCMODE) X(O_NONBLOCK)
503 X(O_APPEND) X(O_SHLOCK) X(O_EXLOCK) X(O_ASYNC) X(O_FSYNC)
504 X(O_NOFOLLOW) X(O_CREAT) X(O_TRUNC) X(O_EXCL) X(O_NOCTTY)
505 X(O_DIRECT) X(O_DIRECTORY) X(O_EXEC) X(O_TTY_INIT) X(O_CLOEXEC)
509 static struct xlat shutdown_arg[] = {
510 X(SHUT_RD) X(SHUT_WR) X(SHUT_RDWR) XEND
513 static struct xlat resource_arg[] = {
514 X(RLIMIT_CPU) X(RLIMIT_FSIZE) X(RLIMIT_DATA) X(RLIMIT_STACK)
515 X(RLIMIT_CORE) X(RLIMIT_RSS) X(RLIMIT_MEMLOCK) X(RLIMIT_NPROC)
516 X(RLIMIT_NOFILE) X(RLIMIT_SBSIZE) X(RLIMIT_VMEM) X(RLIMIT_NPTS)
520 static struct xlat pathconf_arg[] = {
521 X(_PC_LINK_MAX) X(_PC_MAX_CANON) X(_PC_MAX_INPUT)
522 X(_PC_NAME_MAX) X(_PC_PATH_MAX) X(_PC_PIPE_BUF)
523 X(_PC_CHOWN_RESTRICTED) X(_PC_NO_TRUNC) X(_PC_VDISABLE)
524 X(_PC_ASYNC_IO) X(_PC_PRIO_IO) X(_PC_SYNC_IO)
525 X(_PC_ALLOC_SIZE_MIN) X(_PC_FILESIZEBITS)
526 X(_PC_REC_INCR_XFER_SIZE) X(_PC_REC_MAX_XFER_SIZE)
527 X(_PC_REC_MIN_XFER_SIZE) X(_PC_REC_XFER_ALIGN)
528 X(_PC_SYMLINK_MAX) X(_PC_ACL_EXTENDED) X(_PC_ACL_PATH_MAX)
529 X(_PC_CAP_PRESENT) X(_PC_INF_PRESENT) X(_PC_MAC_PRESENT)
530 X(_PC_ACL_NFS4) X(_PC_MIN_HOLE_SIZE) XEND
533 static struct xlat rfork_flags[] = {
534 X(RFFDG) X(RFPROC) X(RFMEM) X(RFNOWAIT) X(RFCFDG) X(RFTHREAD)
535 X(RFSIGSHARE) X(RFLINUXTHPN) X(RFTSIGZMB) X(RFPPWAIT) XEND
538 static struct xlat wait_options[] = {
539 X(WNOHANG) X(WUNTRACED) X(WCONTINUED) X(WNOWAIT) X(WEXITED)
543 static struct xlat idtype_arg[] = {
544 X(P_PID) X(P_PPID) X(P_PGID) X(P_SID) X(P_CID) X(P_UID) X(P_GID)
545 X(P_ALL) X(P_LWPID) X(P_TASKID) X(P_PROJID) X(P_POOLID) X(P_JAILID)
546 X(P_CTID) X(P_CPUID) X(P_PSETID) XEND
549 static struct xlat procctl_arg[] = {
550 X(PROC_SPROTECT) X(PROC_REAP_ACQUIRE) X(PROC_REAP_RELEASE)
551 X(PROC_REAP_STATUS) X(PROC_REAP_GETPIDS) X(PROC_REAP_KILL)
552 X(PROC_TRACE_CTL) X(PROC_TRACE_STATUS) XEND
555 static struct xlat umtx_ops[] = {
556 X(UMTX_OP_LOCK) X(UMTX_OP_UNLOCK) X(UMTX_OP_WAIT)
557 X(UMTX_OP_WAKE) X(UMTX_OP_MUTEX_TRYLOCK) X(UMTX_OP_MUTEX_LOCK)
558 X(UMTX_OP_MUTEX_UNLOCK) X(UMTX_OP_SET_CEILING) X(UMTX_OP_CV_WAIT)
559 X(UMTX_OP_CV_SIGNAL) X(UMTX_OP_CV_BROADCAST) X(UMTX_OP_WAIT_UINT)
560 X(UMTX_OP_RW_RDLOCK) X(UMTX_OP_RW_WRLOCK) X(UMTX_OP_RW_UNLOCK)
561 X(UMTX_OP_WAIT_UINT_PRIVATE) X(UMTX_OP_WAKE_PRIVATE)
562 X(UMTX_OP_MUTEX_WAIT) X(UMTX_OP_MUTEX_WAKE) X(UMTX_OP_SEM_WAIT)
563 X(UMTX_OP_SEM_WAKE) X(UMTX_OP_NWAKE_PRIVATE) X(UMTX_OP_MUTEX_WAKE2)
567 static struct xlat at_flags[] = {
568 X(AT_EACCESS) X(AT_SYMLINK_NOFOLLOW) X(AT_SYMLINK_FOLLOW)
572 static struct xlat access_modes[] = {
573 X(R_OK) X(W_OK) X(X_OK) XEND
576 static struct xlat sysarch_ops[] = {
577 #if defined(__i386__) || defined(__amd64__)
578 X(I386_GET_LDT) X(I386_SET_LDT) X(I386_GET_IOPERM) X(I386_SET_IOPERM)
579 X(I386_VM86) X(I386_GET_FSBASE) X(I386_SET_FSBASE) X(I386_GET_GSBASE)
580 X(I386_SET_GSBASE) X(I386_GET_XFPUSTATE) X(AMD64_GET_FSBASE)
581 X(AMD64_SET_FSBASE) X(AMD64_GET_GSBASE) X(AMD64_SET_GSBASE)
582 X(AMD64_GET_XFPUSTATE)
587 static struct xlat linux_socketcall_ops[] = {
588 X(LINUX_SOCKET) X(LINUX_BIND) X(LINUX_CONNECT) X(LINUX_LISTEN)
589 X(LINUX_ACCEPT) X(LINUX_GETSOCKNAME) X(LINUX_GETPEERNAME)
590 X(LINUX_SOCKETPAIR) X(LINUX_SEND) X(LINUX_RECV) X(LINUX_SENDTO)
591 X(LINUX_RECVFROM) X(LINUX_SHUTDOWN) X(LINUX_SETSOCKOPT)
592 X(LINUX_GETSOCKOPT) X(LINUX_SENDMSG) X(LINUX_RECVMSG)
596 static struct xlat sigprocmask_ops[] = {
597 X(SIG_BLOCK) X(SIG_UNBLOCK) X(SIG_SETMASK)
605 * Searches an xlat array for a value, and returns it if found. Otherwise
606 * return a string representation.
609 lookup(struct xlat *xlat, int val, int base)
613 for (; xlat->str != NULL; xlat++)
614 if (xlat->val == val)
618 sprintf(tmp, "0%o", val);
621 sprintf(tmp, "0x%x", val);
624 sprintf(tmp, "%u", val);
627 errx(1,"Unknown lookup base");
634 xlookup(struct xlat *xlat, int val)
637 return (lookup(xlat, val, 16));
641 * Searches an xlat array containing bitfield values. Remaining bits
642 * set after removing the known ones are printed at the end:
646 xlookup_bits(struct xlat *xlat, int val)
649 static char str[512];
653 for (; xlat->str != NULL; xlat++) {
654 if ((xlat->val & rem) == xlat->val) {
656 * Don't print the "all-bits-zero" string unless all
657 * bits are really zero.
659 if (xlat->val == 0 && val != 0)
661 len += sprintf(str + len, "%s|", xlat->str);
667 * If we have leftover bits or didn't match anything, print
671 len += sprintf(str + len, "0x%x", rem);
672 if (len && str[len - 1] == '|')
683 STAILQ_INIT(&syscalls);
684 for (sc = decoded_syscalls; sc->name != NULL; sc++)
685 STAILQ_INSERT_HEAD(&syscalls, sc, entries);
688 * If/when the list gets big, it might be desirable to do it
689 * as a hash table or binary search.
692 get_syscall(const char *name, int nargs)
699 STAILQ_FOREACH(sc, &syscalls, entries)
700 if (strcmp(name, sc->name) == 0)
703 /* It is unknown. Add it into the list. */
705 fprintf(stderr, "unknown syscall %s -- setting args to %d\n", name,
709 sc = calloc(1, sizeof(struct syscall));
710 sc->name = strdup(name);
713 for (i = 0; i < nargs; i++) {
714 sc->args[i].offset = i;
715 /* Treat all unknown arguments as LongHex. */
716 sc->args[i].type = LongHex;
718 STAILQ_INSERT_HEAD(&syscalls, sc, entries);
724 * Copy a fixed amount of bytes from the process.
727 get_struct(pid_t pid, void *offset, void *buf, int len)
729 struct ptrace_io_desc iorequest;
731 iorequest.piod_op = PIOD_READ_D;
732 iorequest.piod_offs = offset;
733 iorequest.piod_addr = buf;
734 iorequest.piod_len = len;
735 if (ptrace(PT_IO, pid, (caddr_t)&iorequest, 0) < 0)
743 * Copy a string from the process. Note that it is
744 * expected to be a C string, but if max is set, it will
745 * only get that much.
748 get_string(pid_t pid, void *addr, int max)
750 struct ptrace_io_desc iorequest;
752 size_t offset, size, totalsize;
758 /* Read up to the end of the current page. */
759 size = PAGE_SIZE - ((uintptr_t)addr % PAGE_SIZE);
764 buf = malloc(totalsize);
768 iorequest.piod_op = PIOD_READ_D;
769 iorequest.piod_offs = (char *)addr + offset;
770 iorequest.piod_addr = buf + offset;
771 iorequest.piod_len = size;
772 if (ptrace(PT_IO, pid, (caddr_t)&iorequest, 0) < 0) {
776 if (memchr(buf + offset, '\0', size) != NULL)
779 if (totalsize < MAXSIZE && max == 0) {
780 size = MAXSIZE - totalsize;
781 if (size > PAGE_SIZE)
783 nbuf = realloc(buf, totalsize + size);
785 buf[totalsize - 1] = '\0';
791 buf[totalsize - 1] = '\0';
800 static char tmp[sizeof(int) * 3 + 1];
805 snprintf(tmp, sizeof(tmp), "%d", sig);
812 print_kevent(FILE *fp, struct kevent *ke, int input)
815 switch (ke->filter) {
821 fprintf(fp, "%ju", (uintmax_t)ke->ident);
824 fputs(strsig2(ke->ident), fp);
827 fprintf(fp, "%p", (void *)ke->ident);
829 fprintf(fp, ",%s,%s,", xlookup(kevent_filters, ke->filter),
830 xlookup_bits(kevent_flags, ke->flags));
831 switch (ke->filter) {
834 fputs(xlookup_bits(kevent_rdwr_fflags, ke->fflags), fp);
837 fputs(xlookup_bits(kevent_vnode_fflags, ke->fflags), fp);
840 fputs(xlookup_bits(kevent_proc_fflags, ke->fflags), fp);
843 fputs(xlookup_bits(kevent_timer_fflags, ke->fflags), fp);
848 ctrl = ke->fflags & NOTE_FFCTRLMASK;
849 data = ke->fflags & NOTE_FFLAGSMASK;
851 fputs(xlookup(kevent_user_ffctrl, ctrl), fp);
852 if (ke->fflags & NOTE_TRIGGER)
853 fputs("|NOTE_TRIGGER", fp);
855 fprintf(fp, "|%#x", data);
857 fprintf(fp, "%#x", data);
862 fprintf(fp, "%#x", ke->fflags);
864 fprintf(fp, ",%p,%p", (void *)ke->data, (void *)ke->udata);
868 * Converts a syscall argument into a string. Said string is
869 * allocated via malloc(), so needs to be free()'d. sc is
870 * a pointer to the syscall description (see above); args is
871 * an array of all of the system call arguments.
874 print_arg(struct syscall_args *sc, unsigned long *args, long *retval,
875 struct trussinfo *trussinfo)
882 fp = open_memstream(&tmp, &tmplen);
883 pid = trussinfo->curthread->proc->pid;
884 switch (sc->type & ARG_MASK) {
886 fprintf(fp, "0x%x", (int)args[sc->offset]);
889 fprintf(fp, "0%o", (int)args[sc->offset]);
892 fprintf(fp, "%d", (int)args[sc->offset]);
895 fprintf(fp, "0x%lx", args[sc->offset]);
898 fprintf(fp, "%ld", args[sc->offset]);
901 /* NULL-terminated string. */
904 tmp2 = get_string(pid, (void*)args[sc->offset], 0);
905 fprintf(fp, "\"%s\"", tmp2);
911 * Binary block of data that might have printable characters.
912 * XXX If type|OUT, assume that the length is the syscall's
913 * return value. Otherwise, assume that the length of the block
914 * is in the next syscall argument.
916 int max_string = trussinfo->strsize;
917 char tmp2[max_string + 1], *tmp3;
924 len = args[sc->offset + 1];
927 * Don't print more than max_string characters, to avoid word
928 * wrap. If we have to truncate put some ... after the string.
930 if (len > max_string) {
934 if (len && get_struct(pid, (void*)args[sc->offset], &tmp2, len)
936 tmp3 = malloc(len * 4 + 1);
938 if (strvisx(tmp3, tmp2, len,
939 VIS_CSTYLE|VIS_TAB|VIS_NL) <= max_string)
944 fprintf(fp, "\"%s\"%s", tmp3, truncated ?
948 fprintf(fp, "0x%lx", args[sc->offset]);
965 * Only parse argv[] and environment arrays from exec calls
968 if (((sc->type & ARG_MASK) == ExecArgs &&
969 (trussinfo->flags & EXECVEARGS) == 0) ||
970 ((sc->type & ARG_MASK) == ExecEnv &&
971 (trussinfo->flags & EXECVEENVS) == 0)) {
972 fprintf(fp, "0x%lx", args[sc->offset]);
977 * Read a page of pointers at a time. Punt if the top-level
978 * pointer is not aligned. Note that the first read is of
981 addr = args[sc->offset];
982 if (addr % sizeof(char *) != 0) {
983 fprintf(fp, "0x%lx", args[sc->offset]);
987 len = PAGE_SIZE - (addr & PAGE_MASK);
988 if (get_struct(pid, (void *)addr, u.buf, len) == -1) {
989 fprintf(fp, "0x%lx", args[sc->offset]);
996 while (u.strarray[i] != NULL) {
997 string = get_string(pid, u.strarray[i], 0);
998 fprintf(fp, "%s \"%s\"", first ? "" : ",", string);
1003 if (i == len / sizeof(char *)) {
1006 if (get_struct(pid, (void *)addr, u.buf, len) ==
1008 fprintf(fp, ", <inval>");
1019 fprintf(fp, "%ld", args[sc->offset]);
1022 fprintf(fp, "0x%lx", args[sc->offset]);
1027 unsigned long long ll;
1029 #if _BYTE_ORDER == _LITTLE_ENDIAN
1030 ll = (unsigned long long)args[sc->offset + 1] << 32 |
1033 ll = (unsigned long long)args[sc->offset] << 32 |
1034 args[sc->offset + 1];
1036 if ((sc->type & ARG_MASK) == Quad)
1037 fprintf(fp, "%lld", ll);
1039 fprintf(fp, "0x%llx", ll);
1044 fprintf(fp, "0x%lx", args[sc->offset]);
1049 if (retval[0] == -1)
1051 tmp2 = get_string(pid, (void*)args[sc->offset], retval[0]);
1052 fprintf(fp, "\"%s\"", tmp2);
1060 cmd = args[sc->offset];
1061 temp = ioctlname(cmd);
1065 fprintf(fp, "0x%lx { IO%s%s 0x%lx('%c'), %lu, %lu }",
1066 cmd, cmd & IOC_OUT ? "R" : "",
1067 cmd & IOC_IN ? "W" : "", IOCGROUP(cmd),
1068 isprint(IOCGROUP(cmd)) ? (char)IOCGROUP(cmd) : '?',
1069 cmd & 0xFF, IOCPARM_LEN(cmd));
1075 if (get_struct(pid, (void *)args[sc->offset], &umtx,
1076 sizeof(umtx)) != -1)
1077 fprintf(fp, "{ 0x%lx }", (long)umtx.u_owner);
1079 fprintf(fp, "0x%lx", args[sc->offset]);
1085 if (get_struct(pid, (void *)args[sc->offset], &ts,
1087 fprintf(fp, "{ %jd.%09ld }", (intmax_t)ts.tv_sec,
1090 fprintf(fp, "0x%lx", args[sc->offset]);
1094 struct timespec ts[2];
1098 if (get_struct(pid, (void *)args[sc->offset], &ts, sizeof(ts))
1102 for (i = 0; i < nitems(ts); i++) {
1105 switch (ts[i].tv_nsec) {
1107 fprintf(fp, "UTIME_NOW");
1110 fprintf(fp, "UTIME_OMIT");
1113 fprintf(fp, "%jd.%09ld",
1114 (intmax_t)ts[i].tv_sec,
1121 fprintf(fp, "0x%lx", args[sc->offset]);
1127 if (get_struct(pid, (void *)args[sc->offset], &tv, sizeof(tv))
1129 fprintf(fp, "{ %jd.%06ld }", (intmax_t)tv.tv_sec,
1132 fprintf(fp, "0x%lx", args[sc->offset]);
1136 struct timeval tv[2];
1138 if (get_struct(pid, (void *)args[sc->offset], &tv, sizeof(tv))
1140 fprintf(fp, "{ %jd.%06ld, %jd.%06ld }",
1141 (intmax_t)tv[0].tv_sec, tv[0].tv_usec,
1142 (intmax_t)tv[1].tv_sec, tv[1].tv_usec);
1144 fprintf(fp, "0x%lx", args[sc->offset]);
1148 struct itimerval itv;
1150 if (get_struct(pid, (void *)args[sc->offset], &itv,
1152 fprintf(fp, "{ %jd.%06ld, %jd.%06ld }",
1153 (intmax_t)itv.it_interval.tv_sec,
1154 itv.it_interval.tv_usec,
1155 (intmax_t)itv.it_value.tv_sec,
1156 itv.it_value.tv_usec);
1158 fprintf(fp, "0x%lx", args[sc->offset]);
1163 struct linux_socketcall_args largs;
1165 if (get_struct(pid, (void *)args[sc->offset], (void *)&largs,
1166 sizeof(largs)) != -1)
1167 fprintf(fp, "{ %s, 0x%lx }",
1168 lookup(linux_socketcall_ops, largs.what, 10),
1169 (long unsigned int)largs.args);
1171 fprintf(fp, "0x%lx", args[sc->offset]);
1176 * XXX: A Pollfd argument expects the /next/ syscall argument
1177 * to be the number of fds in the array. This matches the poll
1181 int numfds = args[sc->offset + 1];
1182 size_t bytes = sizeof(struct pollfd) * numfds;
1185 if ((pfd = malloc(bytes)) == NULL)
1186 err(1, "Cannot malloc %zu bytes for pollfd array",
1188 if (get_struct(pid, (void *)args[sc->offset], pfd, bytes)
1191 for (i = 0; i < numfds; i++) {
1192 fprintf(fp, " %d/%s", pfd[i].fd,
1193 xlookup_bits(poll_flags, pfd[i].events));
1197 fprintf(fp, "0x%lx", args[sc->offset]);
1204 * XXX: A Fd_set argument expects the /first/ syscall argument
1205 * to be the number of fds in the array. This matches the
1209 int numfds = args[0];
1210 size_t bytes = _howmany(numfds, _NFDBITS) * _NFDBITS;
1213 if ((fds = malloc(bytes)) == NULL)
1214 err(1, "Cannot malloc %zu bytes for fd_set array",
1216 if (get_struct(pid, (void *)args[sc->offset], fds, bytes)
1219 for (i = 0; i < numfds; i++) {
1220 if (FD_ISSET(i, fds))
1221 fprintf(fp, " %d", i);
1225 fprintf(fp, "0x%lx", args[sc->offset]);
1230 fputs(strsig2(args[sc->offset]), fp);
1237 sig = args[sc->offset];
1238 if (get_struct(pid, (void *)args[sc->offset], (void *)&ss,
1239 sizeof(ss)) == -1) {
1240 fprintf(fp, "0x%lx", args[sc->offset]);
1245 for (i = 1; i < sys_nsig; i++) {
1246 if (sigismember(&ss, i)) {
1247 fprintf(fp, "%s%s", !first ? "|" : "",
1258 fputs(xlookup(sigprocmask_ops, args[sc->offset]), fp);
1262 /* XXX: Output depends on the value of the previous argument. */
1263 switch (args[sc->offset - 1]) {
1265 fputs(xlookup_bits(fcntlfd_arg, args[sc->offset]), fp);
1268 fputs(xlookup_bits(fcntlfl_arg, args[sc->offset]), fp);
1275 fprintf(fp, "0x%lx", args[sc->offset]);
1281 fputs(xlookup_bits(open_flags, args[sc->offset]), fp);
1284 fputs(xlookup(fcntl_arg, args[sc->offset]), fp);
1287 fputs(xlookup_bits(mprot_flags, args[sc->offset]), fp);
1293 * MAP_ALIGNED can't be handled by xlookup_bits(), so
1294 * generate that string manually and prepend it to the
1295 * string from xlookup_bits(). Have to be careful to
1296 * avoid outputting MAP_ALIGNED|0 if MAP_ALIGNED is
1299 flags = args[sc->offset] & ~MAP_ALIGNMENT_MASK;
1300 align = args[sc->offset] & MAP_ALIGNMENT_MASK;
1302 if (align == MAP_ALIGNED_SUPER)
1303 fputs("MAP_ALIGNED_SUPER", fp);
1305 fprintf(fp, "MAP_ALIGNED(%d)",
1306 align >> MAP_ALIGNMENT_SHIFT);
1311 fputs(xlookup_bits(mmap_flags, flags), fp);
1315 fputs(xlookup(whence_arg, args[sc->offset]), fp);
1318 fputs(xlookup(sockdomain_arg, args[sc->offset]), fp);
1323 flags = args[sc->offset] & (SOCK_CLOEXEC | SOCK_NONBLOCK);
1324 type = args[sc->offset] & ~flags;
1325 fputs(xlookup(socktype_arg, type), fp);
1326 if (flags & SOCK_CLOEXEC)
1327 fprintf(fp, "|SOCK_CLOEXEC");
1328 if (flags & SOCK_NONBLOCK)
1329 fprintf(fp, "|SOCK_NONBLOCK");
1333 fputs(xlookup(shutdown_arg, args[sc->offset]), fp);
1336 fputs(xlookup(resource_arg, args[sc->offset]), fp);
1339 fputs(xlookup(pathconf_arg, args[sc->offset]), fp);
1342 fputs(xlookup_bits(rfork_flags, args[sc->offset]), fp);
1346 struct sockaddr_in *lsin;
1347 struct sockaddr_in6 *lsin6;
1348 struct sockaddr_un *sun;
1349 struct sockaddr *sa;
1353 if (args[sc->offset] == 0) {
1359 * Extract the address length from the next argument. If
1360 * this is an output sockaddr (OUT is set), then the
1361 * next argument is a pointer to a socklen_t. Otherwise
1362 * the next argument contains a socklen_t by value.
1364 if (sc->type & OUT) {
1365 if (get_struct(pid, (void *)args[sc->offset + 1],
1366 &len, sizeof(len)) == -1) {
1367 fprintf(fp, "0x%lx", args[sc->offset]);
1371 len = args[sc->offset + 1];
1373 /* If the length is too small, just bail. */
1374 if (len < sizeof(*sa)) {
1375 fprintf(fp, "0x%lx", args[sc->offset]);
1379 sa = calloc(1, len);
1380 if (get_struct(pid, (void *)args[sc->offset], sa, len) == -1) {
1382 fprintf(fp, "0x%lx", args[sc->offset]);
1386 switch (sa->sa_family) {
1388 if (len < sizeof(*lsin))
1389 goto sockaddr_short;
1390 lsin = (struct sockaddr_in *)(void *)sa;
1391 inet_ntop(AF_INET, &lsin->sin_addr, addr, sizeof(addr));
1392 fprintf(fp, "{ AF_INET %s:%d }", addr,
1393 htons(lsin->sin_port));
1396 if (len < sizeof(*lsin6))
1397 goto sockaddr_short;
1398 lsin6 = (struct sockaddr_in6 *)(void *)sa;
1399 inet_ntop(AF_INET6, &lsin6->sin6_addr, addr,
1401 fprintf(fp, "{ AF_INET6 [%s]:%d }", addr,
1402 htons(lsin6->sin6_port));
1405 sun = (struct sockaddr_un *)sa;
1406 fprintf(fp, "{ AF_UNIX \"%.*s\" }",
1407 (int)(len - offsetof(struct sockaddr_un, sun_path)),
1413 "{ sa_len = %d, sa_family = %d, sa_data = {",
1414 (int)sa->sa_len, (int)sa->sa_family);
1415 for (q = (u_char *)sa->sa_data;
1416 q < (u_char *)sa + len; q++)
1417 fprintf(fp, "%s 0x%02x",
1418 q == (u_char *)sa->sa_data ? "" : ",",
1426 struct sigaction sa;
1428 if (get_struct(pid, (void *)args[sc->offset], &sa, sizeof(sa))
1431 if (sa.sa_handler == SIG_DFL)
1432 fputs("SIG_DFL", fp);
1433 else if (sa.sa_handler == SIG_IGN)
1434 fputs("SIG_IGN", fp);
1436 fprintf(fp, "%p", sa.sa_handler);
1437 fprintf(fp, " %s ss_t }",
1438 xlookup_bits(sigaction_flags, sa.sa_flags));
1440 fprintf(fp, "0x%lx", args[sc->offset]);
1445 * XXX XXX: The size of the array is determined by either the
1446 * next syscall argument, or by the syscall return value,
1447 * depending on which argument number we are. This matches the
1448 * kevent syscall, but luckily that's the only syscall that uses
1456 if (sc->offset == 1)
1457 numevents = args[sc->offset+1];
1458 else if (sc->offset == 3 && retval[0] != -1)
1459 numevents = retval[0];
1461 if (numevents >= 0) {
1462 bytes = sizeof(struct kevent) * numevents;
1463 if ((ke = malloc(bytes)) == NULL)
1465 "Cannot malloc %zu bytes for kevent array",
1469 if (numevents >= 0 && get_struct(pid, (void *)args[sc->offset],
1472 for (i = 0; i < numevents; i++) {
1474 print_kevent(fp, &ke[i], sc->offset == 1);
1478 fprintf(fp, "0x%lx", args[sc->offset]);
1486 if (get_struct(pid, (void *)args[sc->offset], &st, sizeof(st))
1490 strmode(st.st_mode, mode);
1492 "{ mode=%s,inode=%ju,size=%jd,blksize=%ld }", mode,
1493 (uintmax_t)st.st_ino, (intmax_t)st.st_size,
1494 (long)st.st_blksize);
1496 fprintf(fp, "0x%lx", args[sc->offset]);
1504 if (get_struct(pid, (void *)args[sc->offset], &buf,
1505 sizeof(buf)) != -1) {
1508 bzero(fsid, sizeof(fsid));
1509 if (buf.f_fsid.val[0] != 0 || buf.f_fsid.val[1] != 0) {
1510 for (i = 0; i < sizeof(buf.f_fsid); i++)
1511 snprintf(&fsid[i*2],
1512 sizeof(fsid) - (i*2), "%02x",
1513 ((u_char *)&buf.f_fsid)[i]);
1516 "{ fstypename=%s,mntonname=%s,mntfromname=%s,"
1517 "fsid=%s }", buf.f_fstypename, buf.f_mntonname,
1518 buf.f_mntfromname, fsid);
1520 fprintf(fp, "0x%lx", args[sc->offset]);
1527 if (get_struct(pid, (void *)args[sc->offset], &ru, sizeof(ru))
1530 "{ u=%jd.%06ld,s=%jd.%06ld,in=%ld,out=%ld }",
1531 (intmax_t)ru.ru_utime.tv_sec, ru.ru_utime.tv_usec,
1532 (intmax_t)ru.ru_stime.tv_sec, ru.ru_stime.tv_usec,
1533 ru.ru_inblock, ru.ru_oublock);
1535 fprintf(fp, "0x%lx", args[sc->offset]);
1541 if (get_struct(pid, (void *)args[sc->offset], &rl, sizeof(rl))
1543 fprintf(fp, "{ cur=%ju,max=%ju }",
1544 rl.rlim_cur, rl.rlim_max);
1546 fprintf(fp, "0x%lx", args[sc->offset]);
1552 if (get_struct(pid, (void *)args[sc->offset], &status,
1553 sizeof(status)) != -1) {
1555 if (WIFCONTINUED(status))
1556 fputs("CONTINUED", fp);
1557 else if (WIFEXITED(status))
1558 fprintf(fp, "EXITED,val=%d",
1559 WEXITSTATUS(status));
1560 else if (WIFSIGNALED(status))
1561 fprintf(fp, "SIGNALED,sig=%s%s",
1562 strsig2(WTERMSIG(status)),
1563 WCOREDUMP(status) ? ",cored" : "");
1565 fprintf(fp, "STOPPED,sig=%s",
1566 strsig2(WTERMSIG(status)));
1569 fprintf(fp, "0x%lx", args[sc->offset]);
1573 fputs(xlookup_bits(wait_options, args[sc->offset]), fp);
1576 fputs(xlookup(idtype_arg, args[sc->offset]), fp);
1579 fputs(xlookup(procctl_arg, args[sc->offset]), fp);
1582 fputs(xlookup(umtx_ops, args[sc->offset]), fp);
1585 if ((int)args[sc->offset] == AT_FDCWD)
1586 fputs("AT_FDCWD", fp);
1588 fprintf(fp, "%d", (int)args[sc->offset]);
1591 fputs(xlookup_bits(at_flags, args[sc->offset]), fp);
1594 if (args[sc->offset] == F_OK)
1597 fputs(xlookup_bits(access_modes, args[sc->offset]), fp);
1600 fputs(xlookup(sysarch_ops, args[sc->offset]), fp);
1604 * The pipe() system call in the kernel returns its
1605 * two file descriptors via return values. However,
1606 * the interface exposed by libc is that pipe()
1607 * accepts a pointer to an array of descriptors.
1608 * Format the output to match the libc API by printing
1609 * the returned file descriptors as a fake argument.
1611 * Overwrite the first retval to signal a successful
1614 fprintf(fp, "{ %ld, %ld }", retval[0], retval[1]);
1618 errx(1, "Invalid argument type %d\n", sc->type & ARG_MASK);
1625 * Print (to outfile) the system call and its arguments.
1628 print_syscall(struct trussinfo *trussinfo)
1630 struct threadinfo *t;
1635 t = trussinfo->curthread;
1638 nargs = t->cs.nargs;
1639 s_args = t->cs.s_args;
1641 len = print_line_prefix(trussinfo);
1642 len += fprintf(trussinfo->outfile, "%s(", name);
1644 for (i = 0; i < nargs; i++) {
1645 if (s_args[i] != NULL)
1646 len += fprintf(trussinfo->outfile, "%s", s_args[i]);
1648 len += fprintf(trussinfo->outfile,
1649 "<missing argument>");
1650 len += fprintf(trussinfo->outfile, "%s", i < (nargs - 1) ?
1653 len += fprintf(trussinfo->outfile, ")");
1654 for (i = 0; i < 6 - (len / 8); i++)
1655 fprintf(trussinfo->outfile, "\t");
1659 print_syscall_ret(struct trussinfo *trussinfo, int errorp, long *retval)
1661 struct timespec timediff;
1662 struct threadinfo *t;
1665 t = trussinfo->curthread;
1667 if (trussinfo->flags & COUNTONLY) {
1668 timespecsubt(&t->after, &t->before, &timediff);
1669 timespecadd(&sc->time, &timediff, &sc->time);
1676 print_syscall(trussinfo);
1677 fflush(trussinfo->outfile);
1679 fprintf(trussinfo->outfile, " ERR#%ld '%s'\n", retval[0],
1680 strerror(retval[0]));
1682 else if (sc->ret_type == 2) {
1685 #if _BYTE_ORDER == _LITTLE_ENDIAN
1686 off = (off_t)retval[1] << 32 | retval[0];
1688 off = (off_t)retval[0] << 32 | retval[1];
1690 fprintf(trussinfo->outfile, " = %jd (0x%jx)\n", (intmax_t)off,
1695 fprintf(trussinfo->outfile, " = %ld (0x%lx)\n", retval[0],
1700 print_summary(struct trussinfo *trussinfo)
1702 struct timespec total = {0, 0};
1706 fprintf(trussinfo->outfile, "%-20s%15s%8s%8s\n",
1707 "syscall", "seconds", "calls", "errors");
1709 STAILQ_FOREACH(sc, &syscalls, entries)
1711 fprintf(trussinfo->outfile, "%-20s%5jd.%09ld%8d%8d\n",
1712 sc->name, (intmax_t)sc->time.tv_sec,
1713 sc->time.tv_nsec, sc->ncalls, sc->nerror);
1714 timespecadd(&total, &sc->time, &total);
1715 ncall += sc->ncalls;
1716 nerror += sc->nerror;
1718 fprintf(trussinfo->outfile, "%20s%15s%8s%8s\n",
1719 "", "-------------", "-------", "-------");
1720 fprintf(trussinfo->outfile, "%-20s%5jd.%09ld%8d%8d\n",
1721 "", (intmax_t)total.tv_sec, total.tv_nsec, ncall, nerror);