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
33 static const char rcsid[] =
38 * This file has routines used to print out system calls and their
42 #include <sys/types.h>
44 #include <sys/procctl.h>
45 #include <sys/ptrace.h>
46 #include <sys/socket.h>
50 #include <netinet/in.h>
51 #include <arpa/inet.h>
52 #include <sys/ioccom.h>
53 #include <machine/atomic.h>
56 #include <sys/event.h>
58 #include <sys/resource.h>
77 /* 64-bit alignment on 32-bit platforms. */
84 /* Number of slots needed for a 64-bit argument. */
92 * This should probably be in its own file, sorted alphabetically.
94 struct syscall syscalls[] = {
95 { .name = "fcntl", .ret_type = 1, .nargs = 3,
96 .args = { { Int, 0 } , { Fcntl, 1 }, { Fcntlflag | OUT, 2 } } },
97 { .name = "fork", .ret_type = 1, .nargs = 0 },
98 { .name = "vfork", .ret_type = 1, .nargs = 0 },
99 { .name = "rfork", .ret_type = 1, .nargs = 1,
100 .args = { { Rforkflags, 0 } } },
101 { .name = "getegid", .ret_type = 1, .nargs = 0 },
102 { .name = "geteuid", .ret_type = 1, .nargs = 0 },
103 { .name = "getgid", .ret_type = 1, .nargs = 0 },
104 { .name = "getpid", .ret_type = 1, .nargs = 0 },
105 { .name = "getpgid", .ret_type = 1, .nargs = 1,
106 .args = { { Int, 0 } } },
107 { .name = "getpgrp", .ret_type = 1, .nargs = 0 },
108 { .name = "getppid", .ret_type = 1, .nargs = 0 },
109 { .name = "getsid", .ret_type = 1, .nargs = 1,
110 .args = { { Int, 0 } } },
111 { .name = "getuid", .ret_type = 1, .nargs = 0 },
112 { .name = "readlink", .ret_type = 1, .nargs = 3,
113 .args = { { Name, 0 } , { Readlinkres | OUT, 1 }, { Int, 2 } } },
114 { .name = "lseek", .ret_type = 2, .nargs = 3,
115 .args = { { Int, 0 }, { Quad, 1 + QUAD_ALIGN }, { Whence, 1 + QUAD_SLOTS + QUAD_ALIGN } } },
116 { .name = "linux_lseek", .ret_type = 2, .nargs = 3,
117 .args = { { Int, 0 }, { Int, 1 }, { Whence, 2 } } },
118 { .name = "mmap", .ret_type = 2, .nargs = 6,
119 .args = { { Ptr, 0 }, { Int, 1 }, { Mprot, 2 }, { Mmapflags, 3 }, { Int, 4 }, { Quad, 5 + QUAD_ALIGN } } },
120 { .name = "mprotect", .ret_type = 1, .nargs = 3,
121 .args = { { Ptr, 0 }, { Int, 1 }, { Mprot, 2 } } },
122 { .name = "open", .ret_type = 1, .nargs = 3,
123 .args = { { Name | IN, 0 } , { Open, 1 }, { Octal, 2 } } },
124 { .name = "mkdir", .ret_type = 1, .nargs = 2,
125 .args = { { Name, 0 } , { Octal, 1 } } },
126 { .name = "linux_open", .ret_type = 1, .nargs = 3,
127 .args = { { Name, 0 }, { Hex, 1 }, { Octal, 2 } } },
128 { .name = "close", .ret_type = 1, .nargs = 1,
129 .args = { { Int, 0 } } },
130 { .name = "link", .ret_type = 0, .nargs = 2,
131 .args = { { Name, 0 }, { Name, 1 } } },
132 { .name = "unlink", .ret_type = 0, .nargs = 1,
133 .args = { { Name, 0 } } },
134 { .name = "chdir", .ret_type = 0, .nargs = 1,
135 .args = { { Name, 0 } } },
136 { .name = "chroot", .ret_type = 0, .nargs = 1,
137 .args = { { Name, 0 } } },
138 { .name = "mknod", .ret_type = 0, .nargs = 3,
139 .args = { { Name, 0 }, { Octal, 1 }, { Int, 3 } } },
140 { .name = "chmod", .ret_type = 0, .nargs = 2,
141 .args = { { Name, 0 }, { Octal, 1 } } },
142 { .name = "chown", .ret_type = 0, .nargs = 3,
143 .args = { { Name, 0 }, { Int, 1 }, { Int, 2 } } },
144 { .name = "mount", .ret_type = 0, .nargs = 4,
145 .args = { { Name, 0 }, { Name, 1 }, { Int, 2 }, { Ptr, 3 } } },
146 { .name = "umount", .ret_type = 0, .nargs = 2,
147 .args = { { Name, 0 }, { Int, 2 } } },
148 { .name = "fstat", .ret_type = 1, .nargs = 2,
149 .args = { { Int, 0 }, { Stat | OUT , 1 } } },
150 { .name = "stat", .ret_type = 1, .nargs = 2,
151 .args = { { Name | IN, 0 }, { Stat | OUT, 1 } } },
152 { .name = "lstat", .ret_type = 1, .nargs = 2,
153 .args = { { Name | IN, 0 }, { Stat | OUT, 1 } } },
154 { .name = "linux_newstat", .ret_type = 1, .nargs = 2,
155 .args = { { Name | IN, 0 }, { Ptr | OUT, 1 } } },
156 { .name = "linux_newfstat", .ret_type = 1, .nargs = 2,
157 .args = { { Int, 0 }, { Ptr | OUT, 1 } } },
158 { .name = "write", .ret_type = 1, .nargs = 3,
159 .args = { { Int, 0 }, { BinString | IN, 1 }, { Int, 2 } } },
160 { .name = "ioctl", .ret_type = 1, .nargs = 3,
161 .args = { { Int, 0 }, { Ioctl, 1 }, { Hex, 2 } } },
162 { .name = "break", .ret_type = 1, .nargs = 1,
163 .args = { { Ptr, 0 } } },
164 { .name = "exit", .ret_type = 0, .nargs = 1,
165 .args = { { Hex, 0 } } },
166 { .name = "access", .ret_type = 1, .nargs = 2,
167 .args = { { Name | IN, 0 }, { Int, 1 } } },
168 { .name = "sigaction", .ret_type = 1, .nargs = 3,
169 .args = { { Signal, 0 }, { Sigaction | IN, 1 }, { Sigaction | OUT, 2 } } },
170 { .name = "accept", .ret_type = 1, .nargs = 3,
171 .args = { { Int, 0 }, { Sockaddr | OUT, 1 }, { Ptr | OUT, 2 } } },
172 { .name = "bind", .ret_type = 1, .nargs = 3,
173 .args = { { Int, 0 }, { Sockaddr | IN, 1 }, { Int, 2 } } },
174 { .name = "connect", .ret_type = 1, .nargs = 3,
175 .args = { { Int, 0 }, { Sockaddr | IN, 1 }, { Int, 2 } } },
176 { .name = "getpeername", .ret_type = 1, .nargs = 3,
177 .args = { { Int, 0 }, { Sockaddr | OUT, 1 }, { Ptr | OUT, 2 } } },
178 { .name = "getsockname", .ret_type = 1, .nargs = 3,
179 .args = { { Int, 0 }, { Sockaddr | OUT, 1 }, { Ptr | OUT, 2 } } },
180 { .name = "recvfrom", .ret_type = 1, .nargs = 6,
181 .args = { { Int, 0 }, { BinString | OUT, 1 }, { Int, 2 }, { Hex, 3 }, { Sockaddr | OUT, 4 }, { Ptr | OUT, 5 } } },
182 { .name = "sendto", .ret_type = 1, .nargs = 6,
183 .args = { { Int, 0 }, { BinString | IN, 1 }, { Int, 2 }, { Hex, 3 }, { Sockaddr | IN, 4 }, { Ptr | IN, 5 } } },
184 { .name = "execve", .ret_type = 1, .nargs = 3,
185 .args = { { Name | IN, 0 }, { StringArray | IN, 1 }, { StringArray | IN, 2 } } },
186 { .name = "linux_execve", .ret_type = 1, .nargs = 3,
187 .args = { { Name | IN, 0 }, { StringArray | IN, 1 }, { StringArray | IN, 2 } } },
188 { .name = "kldload", .ret_type = 0, .nargs = 1,
189 .args = { { Name | IN, 0 } } },
190 { .name = "kldunload", .ret_type = 0, .nargs = 1,
191 .args = { { Int, 0 } } },
192 { .name = "kldfind", .ret_type = 0, .nargs = 1,
193 .args = { { Name | IN, 0 } } },
194 { .name = "kldnext", .ret_type = 0, .nargs = 1,
195 .args = { { Int, 0 } } },
196 { .name = "kldstat", .ret_type = 0, .nargs = 2,
197 .args = { { Int, 0 }, { Ptr, 1 } } },
198 { .name = "kldfirstmod", .ret_type = 0, .nargs = 1,
199 .args = { { Int, 0 } } },
200 { .name = "nanosleep", .ret_type = 0, .nargs = 1,
201 .args = { { Timespec, 0 } } },
202 { .name = "select", .ret_type = 1, .nargs = 5,
203 .args = { { Int, 0 }, { Fd_set, 1 }, { Fd_set, 2 }, { Fd_set, 3 }, { Timeval, 4 } } },
204 { .name = "poll", .ret_type = 1, .nargs = 3,
205 .args = { { Pollfd, 0 }, { Int, 1 }, { Int, 2 } } },
206 { .name = "gettimeofday", .ret_type = 1, .nargs = 2,
207 .args = { { Timeval | OUT, 0 }, { Ptr, 1 } } },
208 { .name = "clock_gettime", .ret_type = 1, .nargs = 2,
209 .args = { { Int, 0 }, { Timespec | OUT, 1 } } },
210 { .name = "getitimer", .ret_type = 1, .nargs = 2,
211 .args = { { Int, 0 }, { Itimerval | OUT, 2 } } },
212 { .name = "setitimer", .ret_type = 1, .nargs = 3,
213 .args = { { Int, 0 }, { Itimerval, 1 } , { Itimerval | OUT, 2 } } },
214 { .name = "kse_release", .ret_type = 0, .nargs = 1,
215 .args = { { Timespec, 0 } } },
216 { .name = "kevent", .ret_type = 0, .nargs = 6,
217 .args = { { Int, 0 }, { Kevent, 1 }, { Int, 2 }, { Kevent | OUT, 3 }, { Int, 4 }, { Timespec, 5 } } },
218 { .name = "_umtx_lock", .ret_type = 0, .nargs = 1,
219 .args = { { Umtx, 0 } } },
220 { .name = "_umtx_unlock", .ret_type = 0, .nargs = 1,
221 .args = { { Umtx, 0 } } },
222 { .name = "sigprocmask", .ret_type = 0, .nargs = 3,
223 .args = { { Sigprocmask, 0 }, { Sigset, 1 }, { Sigset | OUT, 2 } } },
224 { .name = "unmount", .ret_type = 1, .nargs = 2,
225 .args = { { Name, 0 }, { Int, 1 } } },
226 { .name = "socket", .ret_type = 1, .nargs = 3,
227 .args = { { Sockdomain, 0 }, { Socktype, 1 }, { Int, 2 } } },
228 { .name = "getrusage", .ret_type = 1, .nargs = 2,
229 .args = { { Int, 0 }, { Rusage | OUT, 1 } } },
230 { .name = "__getcwd", .ret_type = 1, .nargs = 2,
231 .args = { { Name | OUT, 0 }, { Int, 1 } } },
232 { .name = "shutdown", .ret_type = 1, .nargs = 2,
233 .args = { { Int, 0 }, { Shutdown, 1 } } },
234 { .name = "getrlimit", .ret_type = 1, .nargs = 2,
235 .args = { { Resource, 0 }, { Rlimit | OUT, 1 } } },
236 { .name = "setrlimit", .ret_type = 1, .nargs = 2,
237 .args = { { Resource, 0 }, { Rlimit | IN, 1 } } },
238 { .name = "utimes", .ret_type = 1, .nargs = 2,
239 .args = { { Name | IN, 0 }, { Timeval2 | IN, 1 } } },
240 { .name = "lutimes", .ret_type = 1, .nargs = 2,
241 .args = { { Name | IN, 0 }, { Timeval2 | IN, 1 } } },
242 { .name = "futimes", .ret_type = 1, .nargs = 2,
243 .args = { { Int, 0 }, { Timeval | IN, 1 } } },
244 { .name = "chflags", .ret_type = 1, .nargs = 2,
245 .args = { { Name | IN, 0 }, { Hex, 1 } } },
246 { .name = "lchflags", .ret_type = 1, .nargs = 2,
247 .args = { { Name | IN, 0 }, { Hex, 1 } } },
248 { .name = "pathconf", .ret_type = 1, .nargs = 2,
249 .args = { { Name | IN, 0 }, { Pathconf, 1 } } },
250 { .name = "pipe", .ret_type = 1, .nargs = 1,
251 .args = { { Ptr, 0 } } },
252 { .name = "truncate", .ret_type = 1, .nargs = 3,
253 .args = { { Name | IN, 0 }, { Int | IN, 1 }, { Quad | IN, 2 } } },
254 { .name = "ftruncate", .ret_type = 1, .nargs = 3,
255 .args = { { Int | IN, 0 }, { Int | IN, 1 }, { Quad | IN, 2 } } },
256 { .name = "kill", .ret_type = 1, .nargs = 2,
257 .args = { { Int | IN, 0 }, { Signal | IN, 1 } } },
258 { .name = "munmap", .ret_type = 1, .nargs = 2,
259 .args = { { Ptr, 0 }, { Int, 1 } } },
260 { .name = "read", .ret_type = 1, .nargs = 3,
261 .args = { { Int, 0 }, { BinString | OUT, 1 }, { Int, 2 } } },
262 { .name = "rename", .ret_type = 1, .nargs = 2,
263 .args = { { Name , 0 } , { Name, 1 } } },
264 { .name = "symlink", .ret_type = 1, .nargs = 2,
265 .args = { { Name , 0 } , { Name, 1 } } },
266 { .name = "posix_openpt", .ret_type = 1, .nargs = 1,
267 .args = { { Open, 0 } } },
268 { .name = "wait4", .ret_type = 1, .nargs = 4,
269 .args = { { Int, 0 }, { ExitStatus | OUT, 1 }, { Waitoptions, 2 },
270 { Rusage | OUT, 3 } } },
271 { .name = "wait6", .ret_type = 1, .nargs = 6,
272 .args = { { Idtype, 0 }, { Int, 1 }, { ExitStatus | OUT, 2 },
273 { Waitoptions, 3 }, { Rusage | OUT, 4 }, { Ptr, 5 } } },
274 { .name = "procctl", .ret_type = 1, .nargs = 4,
275 .args = { { Idtype, 0 }, { Int, 1 }, { Procctl, 2 }, { Ptr, 3 } } },
279 /* Xlat idea taken from strace */
285 #define X(a) { a, #a },
286 #define XEND { 0, NULL }
288 static struct xlat kevent_filters[] = {
289 X(EVFILT_READ) X(EVFILT_WRITE) X(EVFILT_AIO) X(EVFILT_VNODE)
290 X(EVFILT_PROC) X(EVFILT_SIGNAL) X(EVFILT_TIMER)
291 X(EVFILT_FS) X(EVFILT_READ) XEND
294 static struct xlat kevent_flags[] = {
295 X(EV_ADD) X(EV_DELETE) X(EV_ENABLE) X(EV_DISABLE) X(EV_ONESHOT)
296 X(EV_CLEAR) X(EV_FLAG1) X(EV_ERROR) X(EV_EOF) XEND
299 struct xlat poll_flags[] = {
300 X(POLLSTANDARD) X(POLLIN) X(POLLPRI) X(POLLOUT) X(POLLERR)
301 X(POLLHUP) X(POLLNVAL) X(POLLRDNORM) X(POLLRDBAND)
302 X(POLLWRBAND) X(POLLINIGNEOF) XEND
305 static struct xlat mmap_flags[] = {
306 X(MAP_SHARED) X(MAP_PRIVATE) X(MAP_FIXED) X(MAP_RENAME)
307 X(MAP_NORESERVE) X(MAP_RESERVED0080) X(MAP_RESERVED0100)
308 X(MAP_HASSEMAPHORE) X(MAP_STACK) X(MAP_NOSYNC) X(MAP_ANON)
309 X(MAP_NOCORE) X(MAP_PREFAULT_READ) XEND
312 static struct xlat mprot_flags[] = {
313 X(PROT_NONE) X(PROT_READ) X(PROT_WRITE) X(PROT_EXEC) XEND
316 static struct xlat whence_arg[] = {
317 X(SEEK_SET) X(SEEK_CUR) X(SEEK_END) XEND
320 static struct xlat sigaction_flags[] = {
321 X(SA_ONSTACK) X(SA_RESTART) X(SA_RESETHAND) X(SA_NOCLDSTOP)
322 X(SA_NODEFER) X(SA_NOCLDWAIT) X(SA_SIGINFO) XEND
325 static struct xlat fcntl_arg[] = {
326 X(F_DUPFD) X(F_GETFD) X(F_SETFD) X(F_GETFL) X(F_SETFL)
327 X(F_GETOWN) X(F_SETOWN) X(F_GETLK) X(F_SETLK) X(F_SETLKW) XEND
330 static struct xlat fcntlfd_arg[] = {
334 static struct xlat fcntlfl_arg[] = {
335 X(O_APPEND) X(O_ASYNC) X(O_FSYNC) X(O_NONBLOCK) X(O_NOFOLLOW)
339 static struct xlat sockdomain_arg[] = {
340 X(PF_UNSPEC) X(PF_LOCAL) X(PF_UNIX) X(PF_INET) X(PF_IMPLINK)
341 X(PF_PUP) X(PF_CHAOS) X(PF_NETBIOS) X(PF_ISO) X(PF_OSI)
342 X(PF_ECMA) X(PF_DATAKIT) X(PF_CCITT) X(PF_SNA) X(PF_DECnet)
343 X(PF_DLI) X(PF_LAT) X(PF_HYLINK) X(PF_APPLETALK) X(PF_ROUTE)
344 X(PF_LINK) X(PF_XTP) X(PF_COIP) X(PF_CNT) X(PF_SIP) X(PF_IPX)
345 X(PF_RTIP) X(PF_PIP) X(PF_ISDN) X(PF_KEY) X(PF_INET6)
346 X(PF_NATM) X(PF_ATM) X(PF_NETGRAPH) X(PF_SLOW) X(PF_SCLUSTER)
347 X(PF_ARP) X(PF_BLUETOOTH) XEND
350 static struct xlat socktype_arg[] = {
351 X(SOCK_STREAM) X(SOCK_DGRAM) X(SOCK_RAW) X(SOCK_RDM)
352 X(SOCK_SEQPACKET) XEND
355 static struct xlat open_flags[] = {
356 X(O_RDONLY) X(O_WRONLY) X(O_RDWR) X(O_ACCMODE) X(O_NONBLOCK)
357 X(O_APPEND) X(O_SHLOCK) X(O_EXLOCK) X(O_ASYNC) X(O_FSYNC)
358 X(O_NOFOLLOW) X(O_CREAT) X(O_TRUNC) X(O_EXCL) X(O_NOCTTY)
359 X(O_DIRECT) X(O_DIRECTORY) X(O_EXEC) X(O_TTY_INIT) X(O_CLOEXEC) XEND
362 static struct xlat shutdown_arg[] = {
363 X(SHUT_RD) X(SHUT_WR) X(SHUT_RDWR) XEND
366 static struct xlat resource_arg[] = {
367 X(RLIMIT_CPU) X(RLIMIT_FSIZE) X(RLIMIT_DATA) X(RLIMIT_STACK)
368 X(RLIMIT_CORE) X(RLIMIT_RSS) X(RLIMIT_MEMLOCK) X(RLIMIT_NPROC)
369 X(RLIMIT_NOFILE) X(RLIMIT_SBSIZE) X(RLIMIT_VMEM) XEND
372 static struct xlat pathconf_arg[] = {
373 X(_PC_LINK_MAX) X(_PC_MAX_CANON) X(_PC_MAX_INPUT)
374 X(_PC_NAME_MAX) X(_PC_PATH_MAX) X(_PC_PIPE_BUF)
375 X(_PC_CHOWN_RESTRICTED) X(_PC_NO_TRUNC) X(_PC_VDISABLE)
376 X(_PC_ASYNC_IO) X(_PC_PRIO_IO) X(_PC_SYNC_IO)
377 X(_PC_ALLOC_SIZE_MIN) X(_PC_FILESIZEBITS)
378 X(_PC_REC_INCR_XFER_SIZE) X(_PC_REC_MAX_XFER_SIZE)
379 X(_PC_REC_MIN_XFER_SIZE) X(_PC_REC_XFER_ALIGN)
380 X(_PC_SYMLINK_MAX) X(_PC_ACL_EXTENDED) X(_PC_ACL_PATH_MAX)
381 X(_PC_CAP_PRESENT) X(_PC_INF_PRESENT) X(_PC_MAC_PRESENT)
385 static struct xlat rfork_flags[] = {
386 X(RFPROC) X(RFNOWAIT) X(RFFDG) X(RFCFDG) X(RFTHREAD) X(RFMEM)
387 X(RFSIGSHARE) X(RFTSIGZMB) X(RFLINUXTHPN) XEND
390 static struct xlat wait_options[] = {
391 X(WNOHANG) X(WUNTRACED) X(WCONTINUED) X(WNOWAIT) X(WEXITED)
395 static struct xlat idtype_arg[] = {
396 X(P_PID) X(P_PPID) X(P_PGID) X(P_SID) X(P_CID) X(P_UID) X(P_GID)
397 X(P_ALL) X(P_LWPID) X(P_TASKID) X(P_PROJID) X(P_POOLID) X(P_JAILID)
398 X(P_CTID) X(P_CPUID) X(P_PSETID) XEND
401 static struct xlat procctl_arg[] = {
402 X(PROC_SPROTECT) XEND
409 * Searches an xlat array for a value, and returns it if found. Otherwise
410 * return a string representation.
413 lookup(struct xlat *xlat, int val, int base)
417 for (; xlat->str != NULL; xlat++)
418 if (xlat->val == val)
422 sprintf(tmp, "0%o", val);
425 sprintf(tmp, "0x%x", val);
428 sprintf(tmp, "%u", val);
431 errx(1,"Unknown lookup base");
438 xlookup(struct xlat *xlat, int val)
441 return (lookup(xlat, val, 16));
444 /* Searches an xlat array containing bitfield values. Remaining bits
445 set after removing the known ones are printed at the end:
448 xlookup_bits(struct xlat *xlat, int val)
451 static char str[512];
455 for (; xlat->str != NULL; xlat++) {
456 if ((xlat->val & rem) == xlat->val) {
457 /* don't print the "all-bits-zero" string unless all
458 bits are really zero */
459 if (xlat->val == 0 && val != 0)
461 len += sprintf(str + len, "%s|", xlat->str);
465 /* if we have leftover bits or didn't match anything */
467 len += sprintf(str + len, "0x%x", rem);
468 if (len && str[len - 1] == '|')
475 * If/when the list gets big, it might be desirable to do it
476 * as a hash table or binary search.
480 get_syscall(const char *name)
488 if (strcmp(name, sc->name) == 0)
498 * Copy a fixed amount of bytes from the process.
502 get_struct(pid_t pid, void *offset, void *buf, int len)
504 struct ptrace_io_desc iorequest;
506 iorequest.piod_op = PIOD_READ_D;
507 iorequest.piod_offs = offset;
508 iorequest.piod_addr = buf;
509 iorequest.piod_len = len;
510 if (ptrace(PT_IO, pid, (caddr_t)&iorequest, 0) < 0)
516 #define BLOCKSIZE 1024
519 * Copy a string from the process. Note that it is
520 * expected to be a C string, but if max is set, it will
521 * only get that much.
525 get_string(pid_t pid, void *offset, int max)
527 struct ptrace_io_desc iorequest;
529 int diff, i, size, totalsize;
532 totalsize = size = max ? (max + 1) : BLOCKSIZE;
533 buf = malloc(totalsize);
537 diff = totalsize - size;
538 iorequest.piod_op = PIOD_READ_D;
539 iorequest.piod_offs = (char *)offset + diff;
540 iorequest.piod_addr = buf + diff;
541 iorequest.piod_len = size;
542 if (ptrace(PT_IO, pid, (caddr_t)&iorequest, 0) < 0) {
546 for (i = 0 ; i < size; i++) {
547 if (buf[diff + i] == '\0')
550 if (totalsize < MAXSIZE - BLOCKSIZE && max == 0) {
551 totalsize += BLOCKSIZE;
552 buf = realloc(buf, totalsize);
555 buf[totalsize - 1] = '\0';
568 asprintf(&tmp, "%d", sig);
574 * Converts a syscall argument into a string. Said string is
575 * allocated via malloc(), so needs to be free()'d. The file
576 * descriptor is for the process' memory (via /proc), and is used
577 * to get any data (where the argument is a pointer). sc is
578 * a pointer to the syscall description (see above); args is
579 * an array of all of the system call arguments.
583 print_arg(struct syscall_args *sc, unsigned long *args, long retval,
584 struct trussinfo *trussinfo)
590 pid = trussinfo->pid;
591 switch (sc->type & ARG_MASK) {
593 asprintf(&tmp, "0x%x", (int)args[sc->offset]);
596 asprintf(&tmp, "0%o", (int)args[sc->offset]);
599 asprintf(&tmp, "%d", (int)args[sc->offset]);
602 /* NULL-terminated string. */
604 tmp2 = get_string(pid, (void*)args[sc->offset], 0);
605 asprintf(&tmp, "\"%s\"", tmp2);
610 /* Binary block of data that might have printable characters.
611 XXX If type|OUT, assume that the length is the syscall's
612 return value. Otherwise, assume that the length of the block
613 is in the next syscall argument. */
614 int max_string = trussinfo->strsize;
615 char tmp2[max_string+1], *tmp3;
622 len = args[sc->offset + 1];
624 /* Don't print more than max_string characters, to avoid word
625 wrap. If we have to truncate put some ... after the string.
627 if (len > max_string) {
631 if (len && get_struct(pid, (void*)args[sc->offset], &tmp2, len)
633 tmp3 = malloc(len * 4 + 1);
635 if (strvisx(tmp3, tmp2, len,
636 VIS_CSTYLE|VIS_TAB|VIS_NL) <= max_string)
641 asprintf(&tmp, "\"%s\"%s", tmp3, truncated ?
645 asprintf(&tmp, "0x%lx", args[sc->offset]);
653 char *strarray[100]; /* XXX This is ugly. */
655 if (get_struct(pid, (void *)args[sc->offset],
656 (void *)&strarray, sizeof(strarray)) == -1)
657 err(1, "get_struct %p", (void *)args[sc->offset]);
661 /* Find out how large of a buffer we'll need. */
662 while (strarray[num] != NULL) {
663 string = get_string(pid, (void*)strarray[num], 0);
664 size += strlen(string);
668 size += 4 + (num * 4);
669 tmp = (char *)malloc(size);
672 tmp2 += sprintf(tmp2, " [");
673 for (i = 0; i < num; i++) {
674 string = get_string(pid, (void*)strarray[i], 0);
675 tmp2 += sprintf(tmp2, " \"%s\"%c", string,
676 (i + 1 == num) ? ' ' : ',');
679 tmp2 += sprintf(tmp2, "]");
684 asprintf(&tmp, "0x%lx", args[sc->offset]);
688 unsigned long long ll;
689 ll = *(unsigned long long *)(args + sc->offset);
690 asprintf(&tmp, "0x%llx", ll);
695 asprintf(&tmp, "0x%lx", args[sc->offset]);
703 tmp2 = get_string(pid, (void*)args[sc->offset], retval);
704 asprintf(&tmp, "\"%s\"", tmp2);
709 const char *temp = ioctlname(args[sc->offset]);
713 unsigned long arg = args[sc->offset];
714 asprintf(&tmp, "0x%lx { IO%s%s 0x%lx('%c'), %lu, %lu }",
715 arg, arg & IOC_OUT ? "R" : "",
716 arg & IOC_IN ? "W" : "", IOCGROUP(arg),
717 isprint(IOCGROUP(arg)) ? (char)IOCGROUP(arg) : '?',
718 arg & 0xFF, IOCPARM_LEN(arg));
724 if (get_struct(pid, (void *)args[sc->offset], &umtx,
726 asprintf(&tmp, "{ 0x%lx }", (long)umtx.u_owner);
728 asprintf(&tmp, "0x%lx", args[sc->offset]);
733 if (get_struct(pid, (void *)args[sc->offset], &ts,
735 asprintf(&tmp, "{%ld.%09ld }", (long)ts.tv_sec,
738 asprintf(&tmp, "0x%lx", args[sc->offset]);
743 if (get_struct(pid, (void *)args[sc->offset], &tv, sizeof(tv))
745 asprintf(&tmp, "{%ld.%06ld }", (long)tv.tv_sec,
748 asprintf(&tmp, "0x%lx", args[sc->offset]);
752 struct timeval tv[2];
753 if (get_struct(pid, (void *)args[sc->offset], &tv, sizeof(tv))
755 asprintf(&tmp, "{%ld.%06ld, %ld.%06ld }",
756 (long)tv[0].tv_sec, tv[0].tv_usec,
757 (long)tv[1].tv_sec, tv[1].tv_usec);
759 asprintf(&tmp, "0x%lx", args[sc->offset]);
763 struct itimerval itv;
764 if (get_struct(pid, (void *)args[sc->offset], &itv,
766 asprintf(&tmp, "{%ld.%06ld, %ld.%06ld }",
767 (long)itv.it_interval.tv_sec,
768 itv.it_interval.tv_usec,
769 (long)itv.it_value.tv_sec,
770 itv.it_value.tv_usec);
772 asprintf(&tmp, "0x%lx", args[sc->offset]);
777 * XXX: A Pollfd argument expects the /next/ syscall argument
778 * to be the number of fds in the array. This matches the poll
782 int numfds = args[sc->offset+1];
783 int bytes = sizeof(struct pollfd) * numfds;
784 int i, tmpsize, u, used;
785 const int per_fd = 100;
787 if ((pfd = malloc(bytes)) == NULL)
788 err(1, "Cannot malloc %d bytes for pollfd array",
790 if (get_struct(pid, (void *)args[sc->offset], pfd, bytes)
793 tmpsize = 1 + per_fd * numfds + 2;
794 if ((tmp = malloc(tmpsize)) == NULL)
795 err(1, "Cannot alloc %d bytes for poll output",
799 for (i = 0; i < numfds; i++) {
801 u = snprintf(tmp + used, per_fd, "%s%d/%s",
802 i > 0 ? " " : "", pfd[i].fd,
803 xlookup_bits(poll_flags, pfd[i].events));
805 used += u < per_fd ? u : per_fd;
810 asprintf(&tmp, "0x%lx", args[sc->offset]);
817 * XXX: A Fd_set argument expects the /first/ syscall argument
818 * to be the number of fds in the array. This matches the
822 int numfds = args[0];
823 int bytes = _howmany(numfds, _NFDBITS) * _NFDBITS;
824 int i, tmpsize, u, used;
825 const int per_fd = 20;
827 if ((fds = malloc(bytes)) == NULL)
828 err(1, "Cannot malloc %d bytes for fd_set array",
830 if (get_struct(pid, (void *)args[sc->offset], fds, bytes)
833 tmpsize = 1 + numfds * per_fd + 2;
834 if ((tmp = malloc(tmpsize)) == NULL)
835 err(1, "Cannot alloc %d bytes for fd_set "
839 for (i = 0; i < numfds; i++) {
840 if (FD_ISSET(i, fds)) {
841 u = snprintf(tmp + used, per_fd, "%d ",
844 used += u < per_fd ? u : per_fd;
847 if (tmp[used-1] == ' ')
852 asprintf(&tmp, "0x%lx", args[sc->offset]);
857 tmp = strsig2(args[sc->offset]);
865 sig = args[sc->offset];
866 if (get_struct(pid, (void *)args[sc->offset], (void *)&ss,
868 asprintf(&tmp, "0x%lx", args[sc->offset]);
871 tmp = malloc(sys_nsig * 8); /* 7 bytes avg per signal name */
873 for (i = 1; i < sys_nsig; i++) {
874 if (sigismember(&ss, i)) {
876 used += sprintf(tmp + used, "%s|", signame);
887 switch (args[sc->offset]) {
888 #define S(a) case a: tmp = strdup(#a); break;
895 asprintf(&tmp, "0x%lx", args[sc->offset]);
899 /* XXX output depends on the value of the previous argument */
900 switch (args[sc->offset-1]) {
902 tmp = strdup(xlookup_bits(fcntlfd_arg,
906 tmp = strdup(xlookup_bits(fcntlfl_arg,
915 asprintf(&tmp, "0x%lx", args[sc->offset]);
921 tmp = strdup(xlookup_bits(open_flags, args[sc->offset]));
924 tmp = strdup(xlookup(fcntl_arg, args[sc->offset]));
927 tmp = strdup(xlookup_bits(mprot_flags, args[sc->offset]));
930 char *base, *alignstr;
934 * MAP_ALIGNED can't be handled by xlookup_bits(), so
935 * generate that string manually and prepend it to the
936 * string from xlookup_bits(). Have to be careful to
937 * avoid outputting MAP_ALIGNED|0 if MAP_ALIGNED is
940 flags = args[sc->offset] & ~MAP_ALIGNMENT_MASK;
941 align = args[sc->offset] & MAP_ALIGNMENT_MASK;
943 if (align == MAP_ALIGNED_SUPER)
944 alignstr = strdup("MAP_ALIGNED_SUPER");
946 asprintf(&alignstr, "MAP_ALIGNED(%d)",
947 align >> MAP_ALIGNMENT_SHIFT);
954 base = strdup(xlookup_bits(mmap_flags, flags));
955 if (alignstr == NULL) {
959 asprintf(&tmp, "%s|%s", alignstr, base);
965 tmp = strdup(xlookup(whence_arg, args[sc->offset]));
968 tmp = strdup(xlookup(sockdomain_arg, args[sc->offset]));
971 tmp = strdup(xlookup(socktype_arg, args[sc->offset]));
974 tmp = strdup(xlookup(shutdown_arg, args[sc->offset]));
977 tmp = strdup(xlookup(resource_arg, args[sc->offset]));
980 tmp = strdup(xlookup(pathconf_arg, args[sc->offset]));
983 tmp = strdup(xlookup_bits(rfork_flags, args[sc->offset]));
986 struct sockaddr_storage ss;
988 struct sockaddr_in *lsin;
989 struct sockaddr_in6 *lsin6;
990 struct sockaddr_un *sun;
996 if (args[sc->offset] == 0) {
997 asprintf(&tmp, "NULL");
1001 /* yuck: get ss_len */
1002 if (get_struct(pid, (void *)args[sc->offset], (void *)&ss,
1003 sizeof(ss.ss_len) + sizeof(ss.ss_family)) == -1)
1004 err(1, "get_struct %p", (void *)args[sc->offset]);
1006 * If ss_len is 0, then try to guess from the sockaddr type.
1007 * AF_UNIX may be initialized incorrectly, so always frob
1008 * it by using the "right" size.
1010 if (ss.ss_len == 0 || ss.ss_family == AF_UNIX) {
1011 switch (ss.ss_family) {
1013 ss.ss_len = sizeof(*lsin);
1016 ss.ss_len = sizeof(*sun);
1023 if (get_struct(pid, (void *)args[sc->offset], (void *)&ss,
1025 err(2, "get_struct %p", (void *)args[sc->offset]);
1028 switch (ss.ss_family) {
1030 lsin = (struct sockaddr_in *)&ss;
1031 inet_ntop(AF_INET, &lsin->sin_addr, addr, sizeof addr);
1032 asprintf(&tmp, "{ AF_INET %s:%d }", addr,
1033 htons(lsin->sin_port));
1036 lsin6 = (struct sockaddr_in6 *)&ss;
1037 inet_ntop(AF_INET6, &lsin6->sin6_addr, addr,
1039 asprintf(&tmp, "{ AF_INET6 [%s]:%d }", addr,
1040 htons(lsin6->sin6_port));
1043 sun = (struct sockaddr_un *)&ss;
1044 asprintf(&tmp, "{ AF_UNIX \"%s\" }", sun->sun_path);
1047 sa = (struct sockaddr *)&ss;
1048 asprintf(&tmp, "{ sa_len = %d, sa_family = %d, sa_data "
1049 "= {%n%*s } }", (int)sa->sa_len, (int)sa->sa_family,
1050 &i, 6 * (int)(sa->sa_len - ((char *)&sa->sa_data -
1054 for (q = (u_char *)&sa->sa_data;
1055 q < (u_char *)sa + sa->sa_len; q++)
1056 p += sprintf(p, " %#02x,", *q);
1062 struct sigaction sa;
1066 if (get_struct(pid, (void *)args[sc->offset], &sa, sizeof(sa))
1068 asprintf(&hand, "%p", sa.sa_handler);
1069 if (sa.sa_handler == SIG_DFL)
1071 else if (sa.sa_handler == SIG_IGN)
1076 asprintf(&tmp, "{ %s %s ss_t }", h,
1077 xlookup_bits(sigaction_flags, sa.sa_flags));
1080 asprintf(&tmp, "0x%lx", args[sc->offset]);
1085 * XXX XXX: the size of the array is determined by either the
1086 * next syscall argument, or by the syscall returnvalue,
1087 * depending on which argument number we are. This matches the
1088 * kevent syscall, but luckily that's the only syscall that uses
1094 int i, tmpsize, u, used;
1095 const int per_ke = 100;
1097 if (sc->offset == 1)
1098 numevents = args[sc->offset+1];
1099 else if (sc->offset == 3 && retval != -1)
1103 bytes = sizeof(struct kevent) * numevents;
1104 if ((ke = malloc(bytes)) == NULL)
1105 err(1, "Cannot malloc %d bytes for kevent array",
1107 if (numevents >= 0 && get_struct(pid, (void *)args[sc->offset],
1110 tmpsize = 1 + per_ke * numevents + 2;
1111 if ((tmp = malloc(tmpsize)) == NULL)
1112 err(1, "Cannot alloc %d bytes for kevent "
1116 for (i = 0; i < numevents; i++) {
1117 u = snprintf(tmp + used, per_ke,
1118 "%s%p,%s,%s,%d,%p,%p",
1120 (void *)ke[i].ident,
1121 xlookup(kevent_filters, ke[i].filter),
1122 xlookup_bits(kevent_flags, ke[i].flags),
1125 (void *)ke[i].udata);
1127 used += u < per_ke ? u : per_ke;
1132 asprintf(&tmp, "0x%lx", args[sc->offset]);
1139 if (get_struct(pid, (void *)args[sc->offset], &st, sizeof(st))
1142 strmode(st.st_mode, mode);
1144 "{ mode=%s,inode=%jd,size=%jd,blksize=%ld }", mode,
1145 (intmax_t)st.st_ino, (intmax_t)st.st_size,
1146 (long)st.st_blksize);
1148 asprintf(&tmp, "0x%lx", args[sc->offset]);
1154 if (get_struct(pid, (void *)args[sc->offset], &ru, sizeof(ru))
1157 "{ u=%ld.%06ld,s=%ld.%06ld,in=%ld,out=%ld }",
1158 (long)ru.ru_utime.tv_sec, ru.ru_utime.tv_usec,
1159 (long)ru.ru_stime.tv_sec, ru.ru_stime.tv_usec,
1160 ru.ru_inblock, ru.ru_oublock);
1162 asprintf(&tmp, "0x%lx", args[sc->offset]);
1167 if (get_struct(pid, (void *)args[sc->offset], &rl, sizeof(rl))
1169 asprintf(&tmp, "{ cur=%ju,max=%ju }",
1170 rl.rlim_cur, rl.rlim_max);
1172 asprintf(&tmp, "0x%lx", args[sc->offset]);
1179 if (get_struct(pid, (void *)args[sc->offset], &status,
1180 sizeof(status)) != -1) {
1181 if (WIFCONTINUED(status))
1182 tmp = strdup("{ CONTINUED }");
1183 else if (WIFEXITED(status))
1184 asprintf(&tmp, "{ EXITED,val=%d }",
1185 WEXITSTATUS(status));
1186 else if (WIFSIGNALED(status))
1187 asprintf(&tmp, "{ SIGNALED,sig=%s%s }",
1188 signame = strsig2(WTERMSIG(status)),
1189 WCOREDUMP(status) ? ",cored" : "");
1191 asprintf(&tmp, "{ STOPPED,sig=%s }",
1192 signame = strsig2(WTERMSIG(status)));
1194 asprintf(&tmp, "0x%lx", args[sc->offset]);
1199 tmp = strdup(xlookup_bits(wait_options, args[sc->offset]));
1202 tmp = strdup(xlookup(idtype_arg, args[sc->offset]));
1205 tmp = strdup(xlookup(procctl_arg, args[sc->offset]));
1208 errx(1, "Invalid argument type %d\n", sc->type & ARG_MASK);
1215 * Print (to outfile) the system call and its arguments. Note that
1216 * nargs is the number of arguments (not the number of words; this is
1217 * potentially confusing, I know).
1221 print_syscall(struct trussinfo *trussinfo, const char *name, int nargs,
1224 struct timespec timediff;
1228 if (trussinfo->flags & FOLLOWFORKS)
1229 len += fprintf(trussinfo->outfile, "%5d: ", trussinfo->pid);
1231 if (name != NULL && (strcmp(name, "execve") == 0 ||
1232 strcmp(name, "exit") == 0)) {
1233 clock_gettime(CLOCK_REALTIME, &trussinfo->curthread->after);
1236 if (trussinfo->flags & ABSOLUTETIMESTAMPS) {
1237 timespecsubt(&trussinfo->curthread->after,
1238 &trussinfo->start_time, &timediff);
1239 len += fprintf(trussinfo->outfile, "%ld.%09ld ",
1240 (long)timediff.tv_sec, timediff.tv_nsec);
1243 if (trussinfo->flags & RELATIVETIMESTAMPS) {
1244 timespecsubt(&trussinfo->curthread->after,
1245 &trussinfo->curthread->before, &timediff);
1246 len += fprintf(trussinfo->outfile, "%ld.%09ld ",
1247 (long)timediff.tv_sec, timediff.tv_nsec);
1250 len += fprintf(trussinfo->outfile, "%s(", name);
1252 for (i = 0; i < nargs; i++) {
1254 len += fprintf(trussinfo->outfile, "%s", s_args[i]);
1256 len += fprintf(trussinfo->outfile,
1257 "<missing argument>");
1258 len += fprintf(trussinfo->outfile, "%s", i < (nargs - 1) ?
1261 len += fprintf(trussinfo->outfile, ")");
1262 for (i = 0; i < 6 - (len / 8); i++)
1263 fprintf(trussinfo->outfile, "\t");
1267 print_syscall_ret(struct trussinfo *trussinfo, const char *name, int nargs,
1268 char **s_args, int errorp, long retval, struct syscall *sc)
1270 struct timespec timediff;
1272 if (trussinfo->flags & COUNTONLY) {
1275 clock_gettime(CLOCK_REALTIME, &trussinfo->curthread->after);
1276 timespecsubt(&trussinfo->curthread->after,
1277 &trussinfo->curthread->before, &timediff);
1278 timespecadd(&sc->time, &timediff, &sc->time);
1285 print_syscall(trussinfo, name, nargs, s_args);
1286 fflush(trussinfo->outfile);
1288 fprintf(trussinfo->outfile, " ERR#%ld '%s'\n", retval,
1292 * Because pipe(2) has a special assembly glue to provide the
1293 * libc API, we have to adjust retval.
1295 if (name != NULL && strcmp(name, "pipe") == 0)
1297 fprintf(trussinfo->outfile, " = %ld (0x%lx)\n", retval, retval);
1302 print_summary(struct trussinfo *trussinfo)
1304 struct timespec total = {0, 0};
1308 fprintf(trussinfo->outfile, "%-20s%15s%8s%8s\n",
1309 "syscall", "seconds", "calls", "errors");
1311 for (sc = syscalls; sc->name != NULL; sc++)
1313 fprintf(trussinfo->outfile, "%-20s%5jd.%09ld%8d%8d\n",
1314 sc->name, (intmax_t)sc->time.tv_sec,
1315 sc->time.tv_nsec, sc->ncalls, sc->nerror);
1316 timespecadd(&total, &sc->time, &total);
1317 ncall += sc->ncalls;
1318 nerror += sc->nerror;
1320 fprintf(trussinfo->outfile, "%20s%15s%8s%8s\n",
1321 "", "-------------", "-------", "-------");
1322 fprintf(trussinfo->outfile, "%-20s%5jd.%09ld%8d%8d\n",
1323 "", (intmax_t)total.tv_sec, total.tv_nsec, ncall, nerror);