1 /* 2 * Copryight 1997 Sean Eric Fagan 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 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 17 * permission. 18 * 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 29 * SUCH DAMAGE. 30 */ 31 32 #ifndef lint 33 static const char rcsid[] = 34 "$FreeBSD$"; 35 #endif /* not lint */ 36 37 /* 38 * This file has routines used to print out system calls and their 39 * arguments. 40 */ 41 42 #include <sys/mman.h> 43 #include <sys/types.h> 44 #include <sys/ptrace.h> 45 #include <sys/socket.h> 46 #include <sys/time.h> 47 #include <sys/un.h> 48 #include <netinet/in.h> 49 #include <arpa/inet.h> 50 #include <sys/ioccom.h> 51 #include <machine/atomic.h> 52 #include <errno.h> 53 #include <sys/umtx.h> 54 #include <sys/event.h> 55 #include <sys/stat.h> 56 #include <sys/resource.h> 57 58 #include <ctype.h> 59 #include <err.h> 60 #include <fcntl.h> 61 #include <poll.h> 62 #include <signal.h> 63 #include <stdint.h> 64 #include <stdio.h> 65 #include <stdlib.h> 66 #include <string.h> 67 #include <time.h> 68 #include <unistd.h> 69 #include <vis.h> 70 71 #include "truss.h" 72 #include "extern.h" 73 #include "syscall.h" 74 75 /* 64-bit alignment on 32-bit platforms. */ 76 #ifdef __powerpc__ 77 #define QUAD_ALIGN 1 78 #else 79 #define QUAD_ALIGN 0 80 #endif 81 82 /* Number of slots needed for a 64-bit argument. */ 83 #ifdef __LP64__ 84 #define QUAD_SLOTS 1 85 #else 86 #define QUAD_SLOTS 2 87 #endif 88 89 /* 90 * This should probably be in its own file, sorted alphabetically. 91 */ 92 struct syscall syscalls[] = { 93 { .name = "fcntl", .ret_type = 1, .nargs = 3, 94 .args = { { Int, 0 } , { Fcntl, 1 }, { Fcntlflag | OUT, 2 } } }, 95 { .name = "readlink", .ret_type = 1, .nargs = 3, 96 .args = { { Name, 0 } , { Readlinkres | OUT, 1 }, { Int, 2 } } }, 97 { .name = "lseek", .ret_type = 2, .nargs = 3, 98 .args = { { Int, 0 }, { Quad, 1 + QUAD_ALIGN }, { Whence, 1 + QUAD_SLOTS + QUAD_ALIGN } } }, 99 { .name = "linux_lseek", .ret_type = 2, .nargs = 3, 100 .args = { { Int, 0 }, { Int, 1 }, { Whence, 2 } } }, 101 { .name = "mmap", .ret_type = 2, .nargs = 6, 102 .args = { { Ptr, 0 }, { Int, 1 }, { Mprot, 2 }, { Mmapflags, 3 }, { Int, 4 }, { Quad, 5 + QUAD_ALIGN } } }, 103 { .name = "mprotect", .ret_type = 1, .nargs = 3, 104 .args = { { Ptr, 0 }, { Int, 1 }, { Mprot, 2 } } }, 105 { .name = "open", .ret_type = 1, .nargs = 3, 106 .args = { { Name | IN, 0 } , { Open, 1 }, { Octal, 2 } } }, 107 { .name = "mkdir", .ret_type = 1, .nargs = 2, 108 .args = { { Name, 0 } , { Octal, 1 } } }, 109 { .name = "linux_open", .ret_type = 1, .nargs = 3, 110 .args = { { Name, 0 }, { Hex, 1 }, { Octal, 2 } } }, 111 { .name = "close", .ret_type = 1, .nargs = 1, 112 .args = { { Int, 0 } } }, 113 { .name = "link", .ret_type = 0, .nargs = 2, 114 .args = { { Name, 0 }, { Name, 1 } } }, 115 { .name = "unlink", .ret_type = 0, .nargs = 1, 116 .args = { { Name, 0 } } }, 117 { .name = "chdir", .ret_type = 0, .nargs = 1, 118 .args = { { Name, 0 } } }, 119 { .name = "chroot", .ret_type = 0, .nargs = 1, 120 .args = { { Name, 0 } } }, 121 { .name = "mknod", .ret_type = 0, .nargs = 3, 122 .args = { { Name, 0 }, { Octal, 1 }, { Int, 3 } } }, 123 { .name = "chmod", .ret_type = 0, .nargs = 2, 124 .args = { { Name, 0 }, { Octal, 1 } } }, 125 { .name = "chown", .ret_type = 0, .nargs = 3, 126 .args = { { Name, 0 }, { Int, 1 }, { Int, 2 } } }, 127 { .name = "mount", .ret_type = 0, .nargs = 4, 128 .args = { { Name, 0 }, { Name, 1 }, { Int, 2 }, { Ptr, 3 } } }, 129 { .name = "umount", .ret_type = 0, .nargs = 2, 130 .args = { { Name, 0 }, { Int, 2 } } }, 131 { .name = "fstat", .ret_type = 1, .nargs = 2, 132 .args = { { Int, 0 }, { Stat | OUT , 1 } } }, 133 { .name = "stat", .ret_type = 1, .nargs = 2, 134 .args = { { Name | IN, 0 }, { Stat | OUT, 1 } } }, 135 { .name = "lstat", .ret_type = 1, .nargs = 2, 136 .args = { { Name | IN, 0 }, { Stat | OUT, 1 } } }, 137 { .name = "linux_newstat", .ret_type = 1, .nargs = 2, 138 .args = { { Name | IN, 0 }, { Ptr | OUT, 1 } } }, 139 { .name = "linux_newfstat", .ret_type = 1, .nargs = 2, 140 .args = { { Int, 0 }, { Ptr | OUT, 1 } } }, 141 { .name = "write", .ret_type = 1, .nargs = 3, 142 .args = { { Int, 0 }, { BinString | IN, 1 }, { Int, 2 } } }, 143 { .name = "ioctl", .ret_type = 1, .nargs = 3, 144 .args = { { Int, 0 }, { Ioctl, 1 }, { Hex, 2 } } }, 145 { .name = "break", .ret_type = 1, .nargs = 1, 146 .args = { { Ptr, 0 } } }, 147 { .name = "exit", .ret_type = 0, .nargs = 1, 148 .args = { { Hex, 0 } } }, 149 { .name = "access", .ret_type = 1, .nargs = 2, 150 .args = { { Name | IN, 0 }, { Int, 1 } } }, 151 { .name = "sigaction", .ret_type = 1, .nargs = 3, 152 .args = { { Signal, 0 }, { Sigaction | IN, 1 }, { Sigaction | OUT, 2 } } }, 153 { .name = "accept", .ret_type = 1, .nargs = 3, 154 .args = { { Int, 0 }, { Sockaddr | OUT, 1 }, { Ptr | OUT, 2 } } }, 155 { .name = "bind", .ret_type = 1, .nargs = 3, 156 .args = { { Int, 0 }, { Sockaddr | IN, 1 }, { Int, 2 } } }, 157 { .name = "connect", .ret_type = 1, .nargs = 3, 158 .args = { { Int, 0 }, { Sockaddr | IN, 1 }, { Int, 2 } } }, 159 { .name = "getpeername", .ret_type = 1, .nargs = 3, 160 .args = { { Int, 0 }, { Sockaddr | OUT, 1 }, { Ptr | OUT, 2 } } }, 161 { .name = "getsockname", .ret_type = 1, .nargs = 3, 162 .args = { { Int, 0 }, { Sockaddr | OUT, 1 }, { Ptr | OUT, 2 } } }, 163 { .name = "recvfrom", .ret_type = 1, .nargs = 6, 164 .args = { { Int, 0 }, { BinString | OUT, 1 }, { Int, 2 }, { Hex, 3 }, { Sockaddr | OUT, 4 }, { Ptr | OUT, 5 } } }, 165 { .name = "sendto", .ret_type = 1, .nargs = 6, 166 .args = { { Int, 0 }, { BinString | IN, 1 }, { Int, 2 }, { Hex, 3 }, { Sockaddr | IN, 4 }, { Ptr | IN, 5 } } }, 167 { .name = "execve", .ret_type = 1, .nargs = 3, 168 .args = { { Name | IN, 0 }, { StringArray | IN, 1 }, { StringArray | IN, 2 } } }, 169 { .name = "linux_execve", .ret_type = 1, .nargs = 3, 170 .args = { { Name | IN, 0 }, { StringArray | IN, 1 }, { StringArray | IN, 2 } } }, 171 { .name = "kldload", .ret_type = 0, .nargs = 1, 172 .args = { { Name | IN, 0 } } }, 173 { .name = "kldunload", .ret_type = 0, .nargs = 1, 174 .args = { { Int, 0 } } }, 175 { .name = "kldfind", .ret_type = 0, .nargs = 1, 176 .args = { { Name | IN, 0 } } }, 177 { .name = "kldnext", .ret_type = 0, .nargs = 1, 178 .args = { { Int, 0 } } }, 179 { .name = "kldstat", .ret_type = 0, .nargs = 2, 180 .args = { { Int, 0 }, { Ptr, 1 } } }, 181 { .name = "kldfirstmod", .ret_type = 0, .nargs = 1, 182 .args = { { Int, 0 } } }, 183 { .name = "nanosleep", .ret_type = 0, .nargs = 1, 184 .args = { { Timespec, 0 } } }, 185 { .name = "select", .ret_type = 1, .nargs = 5, 186 .args = { { Int, 0 }, { Fd_set, 1 }, { Fd_set, 2 }, { Fd_set, 3 }, { Timeval, 4 } } }, 187 { .name = "poll", .ret_type = 1, .nargs = 3, 188 .args = { { Pollfd, 0 }, { Int, 1 }, { Int, 2 } } }, 189 { .name = "gettimeofday", .ret_type = 1, .nargs = 2, 190 .args = { { Timeval | OUT, 0 }, { Ptr, 1 } } }, 191 { .name = "clock_gettime", .ret_type = 1, .nargs = 2, 192 .args = { { Int, 0 }, { Timespec | OUT, 1 } } }, 193 { .name = "getitimer", .ret_type = 1, .nargs = 2, 194 .args = { { Int, 0 }, { Itimerval | OUT, 2 } } }, 195 { .name = "setitimer", .ret_type = 1, .nargs = 3, 196 .args = { { Int, 0 }, { Itimerval, 1 } , { Itimerval | OUT, 2 } } }, 197 { .name = "kse_release", .ret_type = 0, .nargs = 1, 198 .args = { { Timespec, 0 } } }, 199 { .name = "kevent", .ret_type = 0, .nargs = 6, 200 .args = { { Int, 0 }, { Kevent, 1 }, { Int, 2 }, { Kevent | OUT, 3 }, { Int, 4 }, { Timespec, 5 } } }, 201 { .name = "_umtx_lock", .ret_type = 0, .nargs = 1, 202 .args = { { Umtx, 0 } } }, 203 { .name = "_umtx_unlock", .ret_type = 0, .nargs = 1, 204 .args = { { Umtx, 0 } } }, 205 { .name = "sigprocmask", .ret_type = 0, .nargs = 3, 206 .args = { { Sigprocmask, 0 }, { Sigset, 1 }, { Sigset | OUT, 2 } } }, 207 { .name = "unmount", .ret_type = 1, .nargs = 2, 208 .args = { { Name, 0 }, { Int, 1 } } }, 209 { .name = "socket", .ret_type = 1, .nargs = 3, 210 .args = { { Sockdomain, 0 }, { Socktype, 1 }, { Int, 2 } } }, 211 { .name = "getrusage", .ret_type = 1, .nargs = 2, 212 .args = { { Int, 0 }, { Rusage | OUT, 1 } } }, 213 { .name = "__getcwd", .ret_type = 1, .nargs = 2, 214 .args = { { Name | OUT, 0 }, { Int, 1 } } }, 215 { .name = "shutdown", .ret_type = 1, .nargs = 2, 216 .args = { { Int, 0 }, { Shutdown, 1 } } }, 217 { .name = "getrlimit", .ret_type = 1, .nargs = 2, 218 .args = { { Resource, 0 }, { Rlimit | OUT, 1 } } }, 219 { .name = "setrlimit", .ret_type = 1, .nargs = 2, 220 .args = { { Resource, 0 }, { Rlimit | IN, 1 } } }, 221 { .name = "utimes", .ret_type = 1, .nargs = 2, 222 .args = { { Name | IN, 0 }, { Timeval2 | IN, 1 } } }, 223 { .name = "lutimes", .ret_type = 1, .nargs = 2, 224 .args = { { Name | IN, 0 }, { Timeval2 | IN, 1 } } }, 225 { .name = "futimes", .ret_type = 1, .nargs = 2, 226 .args = { { Int, 0 }, { Timeval | IN, 1 } } }, 227 { .name = "chflags", .ret_type = 1, .nargs = 2, 228 .args = { { Name | IN, 0 }, { Hex, 1 } } }, 229 { .name = "lchflags", .ret_type = 1, .nargs = 2, 230 .args = { { Name | IN, 0 }, { Hex, 1 } } }, 231 { .name = "pathconf", .ret_type = 1, .nargs = 2, 232 .args = { { Name | IN, 0 }, { Pathconf, 1 } } }, 233 { .name = "truncate", .ret_type = 1, .nargs = 3, 234 .args = { { Name | IN, 0 }, { Int | IN, 1 }, { Quad | IN, 2 } } }, 235 { .name = "ftruncate", .ret_type = 1, .nargs = 3, 236 .args = { { Int | IN, 0 }, { Int | IN, 1 }, { Quad | IN, 2 } } }, 237 { .name = "kill", .ret_type = 1, .nargs = 2, 238 .args = { { Int | IN, 0 }, { Signal | IN, 1 } } }, 239 { .name = "munmap", .ret_type = 1, .nargs = 2, 240 .args = { { Ptr, 0 }, { Int, 1 } } }, 241 { .name = "read", .ret_type = 1, .nargs = 3, 242 .args = { { Int, 0 }, { BinString | OUT, 1 }, { Int, 2 } } }, 243 { .name = "rename", .ret_type = 1, .nargs = 2, 244 .args = { { Name , 0 } , { Name, 1 } } }, 245 { .name = "symlink", .ret_type = 1, .nargs = 2, 246 .args = { { Name , 0 } , { Name, 1 } } }, 247 { .name = 0 }, 248 }; 249 250 /* Xlat idea taken from strace */ 251 struct xlat { 252 int val; 253 const char *str; 254 }; 255 256 #define X(a) { a, #a }, 257 #define XEND { 0, NULL } 258 259 static struct xlat kevent_filters[] = { 260 X(EVFILT_READ) X(EVFILT_WRITE) X(EVFILT_AIO) X(EVFILT_VNODE) 261 X(EVFILT_PROC) X(EVFILT_SIGNAL) X(EVFILT_TIMER) 262 X(EVFILT_NETDEV) X(EVFILT_FS) X(EVFILT_READ) XEND 263 }; 264 265 static struct xlat kevent_flags[] = { 266 X(EV_ADD) X(EV_DELETE) X(EV_ENABLE) X(EV_DISABLE) X(EV_ONESHOT) 267 X(EV_CLEAR) X(EV_FLAG1) X(EV_ERROR) X(EV_EOF) XEND 268 }; 269 270 struct xlat poll_flags[] = { 271 X(POLLSTANDARD) X(POLLIN) X(POLLPRI) X(POLLOUT) X(POLLERR) 272 X(POLLHUP) X(POLLNVAL) X(POLLRDNORM) X(POLLRDBAND) 273 X(POLLWRBAND) X(POLLINIGNEOF) XEND 274 }; 275 276 static struct xlat mmap_flags[] = { 277 X(MAP_SHARED) X(MAP_PRIVATE) X(MAP_FIXED) X(MAP_RENAME) 278 X(MAP_NORESERVE) X(MAP_RESERVED0080) X(MAP_RESERVED0100) 279 X(MAP_HASSEMAPHORE) X(MAP_STACK) X(MAP_NOSYNC) X(MAP_ANON) 280 X(MAP_NOCORE) XEND 281 }; 282 283 static struct xlat mprot_flags[] = { 284 X(PROT_NONE) X(PROT_READ) X(PROT_WRITE) X(PROT_EXEC) XEND 285 }; 286 287 static struct xlat whence_arg[] = { 288 X(SEEK_SET) X(SEEK_CUR) X(SEEK_END) XEND 289 }; 290 291 static struct xlat sigaction_flags[] = { 292 X(SA_ONSTACK) X(SA_RESTART) X(SA_RESETHAND) X(SA_NOCLDSTOP) 293 X(SA_NODEFER) X(SA_NOCLDWAIT) X(SA_SIGINFO) XEND 294 }; 295 296 static struct xlat fcntl_arg[] = { 297 X(F_DUPFD) X(F_GETFD) X(F_SETFD) X(F_GETFL) X(F_SETFL) 298 X(F_GETOWN) X(F_SETOWN) X(F_GETLK) X(F_SETLK) X(F_SETLKW) XEND 299 }; 300 301 static struct xlat fcntlfd_arg[] = { 302 X(FD_CLOEXEC) XEND 303 }; 304 305 static struct xlat fcntlfl_arg[] = { 306 X(O_APPEND) X(O_ASYNC) X(O_FSYNC) X(O_NONBLOCK) X(O_NOFOLLOW) 307 X(O_DIRECT) XEND 308 }; 309 310 static struct xlat sockdomain_arg[] = { 311 X(PF_UNSPEC) X(PF_LOCAL) X(PF_UNIX) X(PF_INET) X(PF_IMPLINK) 312 X(PF_PUP) X(PF_CHAOS) X(PF_NETBIOS) X(PF_ISO) X(PF_OSI) 313 X(PF_ECMA) X(PF_DATAKIT) X(PF_CCITT) X(PF_SNA) X(PF_DECnet) 314 X(PF_DLI) X(PF_LAT) X(PF_HYLINK) X(PF_APPLETALK) X(PF_ROUTE) 315 X(PF_LINK) X(PF_XTP) X(PF_COIP) X(PF_CNT) X(PF_SIP) X(PF_IPX) 316 X(PF_RTIP) X(PF_PIP) X(PF_ISDN) X(PF_KEY) X(PF_INET6) 317 X(PF_NATM) X(PF_ATM) X(PF_NETGRAPH) X(PF_SLOW) X(PF_SCLUSTER) 318 X(PF_ARP) X(PF_BLUETOOTH) XEND 319 }; 320 321 static struct xlat socktype_arg[] = { 322 X(SOCK_STREAM) X(SOCK_DGRAM) X(SOCK_RAW) X(SOCK_RDM) 323 X(SOCK_SEQPACKET) XEND 324 }; 325 326 static struct xlat open_flags[] = { 327 X(O_RDONLY) X(O_WRONLY) X(O_RDWR) X(O_ACCMODE) X(O_NONBLOCK) 328 X(O_APPEND) X(O_SHLOCK) X(O_EXLOCK) X(O_ASYNC) X(O_FSYNC) 329 X(O_NOFOLLOW) X(O_CREAT) X(O_TRUNC) X(O_EXCL) X(O_NOCTTY) 330 X(O_DIRECT) XEND 331 }; 332 333 static struct xlat shutdown_arg[] = { 334 X(SHUT_RD) X(SHUT_WR) X(SHUT_RDWR) XEND 335 }; 336 337 static struct xlat resource_arg[] = { 338 X(RLIMIT_CPU) X(RLIMIT_FSIZE) X(RLIMIT_DATA) X(RLIMIT_STACK) 339 X(RLIMIT_CORE) X(RLIMIT_RSS) X(RLIMIT_MEMLOCK) X(RLIMIT_NPROC) 340 X(RLIMIT_NOFILE) X(RLIMIT_SBSIZE) X(RLIMIT_VMEM) XEND 341 }; 342 343 static struct xlat pathconf_arg[] = { 344 X(_PC_LINK_MAX) X(_PC_MAX_CANON) X(_PC_MAX_INPUT) 345 X(_PC_NAME_MAX) X(_PC_PATH_MAX) X(_PC_PIPE_BUF) 346 X(_PC_CHOWN_RESTRICTED) X(_PC_NO_TRUNC) X(_PC_VDISABLE) 347 X(_PC_ASYNC_IO) X(_PC_PRIO_IO) X(_PC_SYNC_IO) 348 X(_PC_ALLOC_SIZE_MIN) X(_PC_FILESIZEBITS) 349 X(_PC_REC_INCR_XFER_SIZE) X(_PC_REC_MAX_XFER_SIZE) 350 X(_PC_REC_MIN_XFER_SIZE) X(_PC_REC_XFER_ALIGN) 351 X(_PC_SYMLINK_MAX) X(_PC_ACL_EXTENDED) X(_PC_ACL_PATH_MAX) 352 X(_PC_CAP_PRESENT) X(_PC_INF_PRESENT) X(_PC_MAC_PRESENT) 353 XEND 354 }; 355 356 #undef X 357 #undef XEND 358 359 /* 360 * Searches an xlat array for a value, and returns it if found. Otherwise 361 * return a string representation. 362 */ 363 static const char * 364 lookup(struct xlat *xlat, int val, int base) 365 { 366 static char tmp[16]; 367 368 for (; xlat->str != NULL; xlat++) 369 if (xlat->val == val) 370 return (xlat->str); 371 switch (base) { 372 case 8: 373 sprintf(tmp, "0%o", val); 374 break; 375 case 16: 376 sprintf(tmp, "0x%x", val); 377 break; 378 case 10: 379 sprintf(tmp, "%u", val); 380 break; 381 default: 382 errx(1,"Unknown lookup base"); 383 break; 384 } 385 return (tmp); 386 } 387 388 static const char * 389 xlookup(struct xlat *xlat, int val) 390 { 391 392 return (lookup(xlat, val, 16)); 393 } 394 395 /* Searches an xlat array containing bitfield values. Remaining bits 396 set after removing the known ones are printed at the end: 397 IN|0x400 */ 398 static char * 399 xlookup_bits(struct xlat *xlat, int val) 400 { 401 static char str[512]; 402 int len = 0; 403 int rem = val; 404 405 for (; xlat->str != NULL; xlat++) { 406 if ((xlat->val & rem) == xlat->val) { 407 /* don't print the "all-bits-zero" string unless all 408 bits are really zero */ 409 if (xlat->val == 0 && val != 0) 410 continue; 411 len += sprintf(str + len, "%s|", xlat->str); 412 rem &= ~(xlat->val); 413 } 414 } 415 /* if we have leftover bits or didn't match anything */ 416 if (rem || len == 0) 417 len += sprintf(str + len, "0x%x", rem); 418 if (len && str[len - 1] == '|') 419 len--; 420 str[len] = 0; 421 return (str); 422 } 423 424 /* 425 * If/when the list gets big, it might be desirable to do it 426 * as a hash table or binary search. 427 */ 428 429 struct syscall * 430 get_syscall(const char *name) 431 { 432 struct syscall *sc = syscalls; 433 434 if (name == NULL) 435 return (NULL); 436 while (sc->name) { 437 if (!strcmp(name, sc->name)) 438 return (sc); 439 sc++; 440 } 441 return (NULL); 442 } 443 444 /* 445 * get_struct 446 * 447 * Copy a fixed amount of bytes from the process. 448 */ 449 450 static int 451 get_struct(int pid, void *offset, void *buf, int len) 452 { 453 struct ptrace_io_desc iorequest; 454 455 iorequest.piod_op = PIOD_READ_D; 456 iorequest.piod_offs = offset; 457 iorequest.piod_addr = buf; 458 iorequest.piod_len = len; 459 if (ptrace(PT_IO, pid, (caddr_t)&iorequest, 0) < 0) 460 return (-1); 461 return (0); 462 } 463 464 #define MAXSIZE 4096 465 #define BLOCKSIZE 1024 466 /* 467 * get_string 468 * Copy a string from the process. Note that it is 469 * expected to be a C string, but if max is set, it will 470 * only get that much. 471 */ 472 473 static char * 474 get_string(pid_t pid, void *offset, int max) 475 { 476 char *buf; 477 struct ptrace_io_desc iorequest; 478 int totalsize, size; 479 int diff = 0; 480 int i; 481 482 totalsize = size = max ? (max + 1) : BLOCKSIZE; 483 buf = malloc(totalsize); 484 if (buf == NULL) 485 return (NULL); 486 for (;;) { 487 diff = totalsize - size; 488 iorequest.piod_op = PIOD_READ_D; 489 iorequest.piod_offs = (char *)offset + diff; 490 iorequest.piod_addr = buf + diff; 491 iorequest.piod_len = size; 492 if (ptrace(PT_IO, pid, (caddr_t)&iorequest, 0) < 0) { 493 free(buf); 494 return (NULL); 495 } 496 for (i = 0 ; i < size; i++) { 497 if (buf[diff + i] == '\0') 498 return (buf); 499 } 500 if (totalsize < MAXSIZE - BLOCKSIZE && max == 0) { 501 totalsize += BLOCKSIZE; 502 buf = realloc(buf, totalsize); 503 size = BLOCKSIZE; 504 } else { 505 buf[totalsize] = '\0'; 506 return (buf); 507 } 508 } 509 } 510 511 512 /* 513 * print_arg 514 * Converts a syscall argument into a string. Said string is 515 * allocated via malloc(), so needs to be free()'d. The file 516 * descriptor is for the process' memory (via /proc), and is used 517 * to get any data (where the argument is a pointer). sc is 518 * a pointer to the syscall description (see above); args is 519 * an array of all of the system call arguments. 520 */ 521 522 char * 523 print_arg(struct syscall_args *sc, unsigned long *args, long retval, struct trussinfo *trussinfo) 524 { 525 char *tmp = NULL; 526 int pid = trussinfo->pid; 527 528 switch (sc->type & ARG_MASK) { 529 case Hex: 530 asprintf(&tmp, "0x%x", (int)args[sc->offset]); 531 break; 532 case Octal: 533 asprintf(&tmp, "0%o", (int)args[sc->offset]); 534 break; 535 case Int: 536 asprintf(&tmp, "%d", (int)args[sc->offset]); 537 break; 538 case Name: { 539 /* NULL-terminated string. */ 540 char *tmp2; 541 tmp2 = get_string(pid, (void*)args[sc->offset], 0); 542 asprintf(&tmp, "\"%s\"", tmp2); 543 free(tmp2); 544 break; 545 } 546 case BinString: { 547 /* Binary block of data that might have printable characters. 548 XXX If type|OUT, assume that the length is the syscall's 549 return value. Otherwise, assume that the length of the block 550 is in the next syscall argument. */ 551 int max_string = trussinfo->strsize; 552 char tmp2[max_string+1], *tmp3; 553 int len; 554 int truncated = 0; 555 556 if (sc->type & OUT) 557 len = retval; 558 else 559 len = args[sc->offset + 1]; 560 561 /* Don't print more than max_string characters, to avoid word 562 wrap. If we have to truncate put some ... after the string. 563 */ 564 if (len > max_string) { 565 len = max_string; 566 truncated = 1; 567 } 568 if (len && get_struct(pid, (void*)args[sc->offset], &tmp2, len) != -1) { 569 tmp3 = malloc(len * 4 + 1); 570 while (len) { 571 if (strvisx(tmp3, tmp2, len, VIS_CSTYLE|VIS_TAB|VIS_NL) <= max_string) 572 break; 573 len--; 574 truncated = 1; 575 }; 576 asprintf(&tmp, "\"%s\"%s", tmp3, truncated?"...":""); 577 free(tmp3); 578 } else { 579 asprintf(&tmp, "0x%lx", args[sc->offset]); 580 } 581 break; 582 } 583 case StringArray: { 584 int num, size, i; 585 char *tmp2; 586 char *string; 587 char *strarray[100]; /* XXX This is ugly. */ 588 589 if (get_struct(pid, (void *)args[sc->offset], (void *)&strarray, 590 sizeof(strarray)) == -1) { 591 err(1, "get_struct %p", (void *)args[sc->offset]); 592 } 593 num = 0; 594 size = 0; 595 596 /* Find out how large of a buffer we'll need. */ 597 while (strarray[num] != NULL) { 598 string = get_string(pid, (void*)strarray[num], 0); 599 size += strlen(string); 600 free(string); 601 num++; 602 } 603 size += 4 + (num * 4); 604 tmp = (char *)malloc(size); 605 tmp2 = tmp; 606 607 tmp2 += sprintf(tmp2, " ["); 608 for (i = 0; i < num; i++) { 609 string = get_string(pid, (void*)strarray[i], 0); 610 tmp2 += sprintf(tmp2, " \"%s\"%c", string, (i+1 == num) ? ' ' : ','); 611 free(string); 612 } 613 tmp2 += sprintf(tmp2, "]"); 614 break; 615 } 616 #ifdef __LP64__ 617 case Quad: 618 asprintf(&tmp, "0x%lx", args[sc->offset]); 619 break; 620 #else 621 case Quad: { 622 unsigned long long ll; 623 ll = *(unsigned long long *)(args + sc->offset); 624 asprintf(&tmp, "0x%llx", ll); 625 break; 626 } 627 #endif 628 case Ptr: 629 asprintf(&tmp, "0x%lx", args[sc->offset]); 630 break; 631 case Readlinkres: { 632 char *tmp2; 633 if (retval == -1) { 634 tmp = strdup(""); 635 break; 636 } 637 tmp2 = get_string(pid, (void*)args[sc->offset], retval); 638 asprintf(&tmp, "\"%s\"", tmp2); 639 free(tmp2); 640 break; 641 } 642 case Ioctl: { 643 const char *temp = ioctlname(args[sc->offset]); 644 if (temp) { 645 tmp = strdup(temp); 646 } else { 647 unsigned long arg = args[sc->offset]; 648 asprintf(&tmp, "0x%lx { IO%s%s 0x%lx('%c'), %lu, %lu }", arg, 649 arg&IOC_OUT?"R":"", arg&IOC_IN?"W":"", 650 IOCGROUP(arg), isprint(IOCGROUP(arg))?(char)IOCGROUP(arg):'?', 651 arg & 0xFF, IOCPARM_LEN(arg)); 652 } 653 break; 654 } 655 case Umtx: { 656 struct umtx umtx; 657 if (get_struct(pid, (void *)args[sc->offset], &umtx, sizeof(umtx)) != -1) 658 asprintf(&tmp, "{ 0x%lx }", (long)umtx.u_owner); 659 else 660 asprintf(&tmp, "0x%lx", args[sc->offset]); 661 break; 662 } 663 case Timespec: { 664 struct timespec ts; 665 if (get_struct(pid, (void *)args[sc->offset], &ts, sizeof(ts)) != -1) 666 asprintf(&tmp, "{%ld.%09ld }", (long)ts.tv_sec, ts.tv_nsec); 667 else 668 asprintf(&tmp, "0x%lx", args[sc->offset]); 669 break; 670 } 671 case Timeval: { 672 struct timeval tv; 673 if (get_struct(pid, (void *)args[sc->offset], &tv, sizeof(tv)) != -1) 674 asprintf(&tmp, "{%ld.%06ld }", (long)tv.tv_sec, tv.tv_usec); 675 else 676 asprintf(&tmp, "0x%lx", args[sc->offset]); 677 break; 678 } 679 case Timeval2: { 680 struct timeval tv[2]; 681 if (get_struct(pid, (void *)args[sc->offset], &tv, sizeof(tv)) != -1) 682 asprintf(&tmp, "{%ld.%06ld, %ld.%06ld }", 683 (long)tv[0].tv_sec, tv[0].tv_usec, 684 (long)tv[1].tv_sec, tv[1].tv_usec); 685 else 686 asprintf(&tmp, "0x%lx", args[sc->offset]); 687 break; 688 } 689 case Itimerval: { 690 struct itimerval itv; 691 if (get_struct(pid, (void *)args[sc->offset], &itv, sizeof(itv)) != -1) 692 asprintf(&tmp, "{%ld.%06ld, %ld.%06ld }", 693 (long)itv.it_interval.tv_sec, 694 itv.it_interval.tv_usec, 695 (long)itv.it_value.tv_sec, 696 itv.it_value.tv_usec); 697 else 698 asprintf(&tmp, "0x%lx", args[sc->offset]); 699 break; 700 } 701 case Pollfd: { 702 /* 703 * XXX: A Pollfd argument expects the /next/ syscall argument to be 704 * the number of fds in the array. This matches the poll syscall. 705 */ 706 struct pollfd *pfd; 707 int numfds = args[sc->offset+1]; 708 int bytes = sizeof(struct pollfd) * numfds; 709 int i, tmpsize, u, used; 710 const int per_fd = 100; 711 712 if ((pfd = malloc(bytes)) == NULL) 713 err(1, "Cannot malloc %d bytes for pollfd array", bytes); 714 if (get_struct(pid, (void *)args[sc->offset], pfd, bytes) != -1) { 715 716 used = 0; 717 tmpsize = 1 + per_fd * numfds + 2; 718 if ((tmp = malloc(tmpsize)) == NULL) 719 err(1, "Cannot alloc %d bytes for poll output", tmpsize); 720 721 tmp[used++] = '{'; 722 for (i = 0; i < numfds; i++) { 723 724 u = snprintf(tmp + used, per_fd, 725 "%s%d/%s", 726 i > 0 ? " " : "", 727 pfd[i].fd, 728 xlookup_bits(poll_flags, pfd[i].events) ); 729 if (u > 0) 730 used += u < per_fd ? u : per_fd; 731 } 732 tmp[used++] = '}'; 733 tmp[used++] = '\0'; 734 } else { 735 asprintf(&tmp, "0x%lx", args[sc->offset]); 736 } 737 free(pfd); 738 break; 739 } 740 case Fd_set: { 741 /* 742 * XXX: A Fd_set argument expects the /first/ syscall argument to be 743 * the number of fds in the array. This matches the select syscall. 744 */ 745 fd_set *fds; 746 int numfds = args[0]; 747 int bytes = _howmany(numfds, _NFDBITS) * _NFDBITS; 748 int i, tmpsize, u, used; 749 const int per_fd = 20; 750 751 if ((fds = malloc(bytes)) == NULL) 752 err(1, "Cannot malloc %d bytes for fd_set array", bytes); 753 if (get_struct(pid, (void *)args[sc->offset], fds, bytes) != -1) { 754 used = 0; 755 tmpsize = 1 + numfds * per_fd + 2; 756 if ((tmp = malloc(tmpsize)) == NULL) 757 err(1, "Cannot alloc %d bytes for fd_set output", tmpsize); 758 759 tmp[used++] = '{'; 760 for (i = 0; i < numfds; i++) { 761 if (FD_ISSET(i, fds)) { 762 u = snprintf(tmp + used, per_fd, "%d ", i); 763 if (u > 0) 764 used += u < per_fd ? u : per_fd; 765 } 766 } 767 if (tmp[used-1] == ' ') 768 used--; 769 tmp[used++] = '}'; 770 tmp[used++] = '\0'; 771 } else { 772 asprintf(&tmp, "0x%lx", args[sc->offset]); 773 } 774 free(fds); 775 break; 776 } 777 case Signal: { 778 long sig; 779 780 sig = args[sc->offset]; 781 tmp = strsig(sig); 782 if (tmp == NULL) 783 asprintf(&tmp, "%ld", sig); 784 break; 785 } 786 case Sigset: { 787 long sig; 788 sigset_t ss; 789 int i, used; 790 791 sig = args[sc->offset]; 792 if (get_struct(pid, (void *)args[sc->offset], (void *)&ss, sizeof(ss)) == -1) { 793 asprintf(&tmp, "0x%lx", args[sc->offset]); 794 break; 795 } 796 tmp = malloc(sys_nsig * 8); /* 7 bytes avg per signal name */ 797 used = 0; 798 for (i = 1; i < sys_nsig; i++) { 799 if (sigismember(&ss, i)) { 800 used += sprintf(tmp + used, "%s|", strsig(i)); 801 } 802 } 803 if (used) 804 tmp[used-1] = 0; 805 else 806 strcpy(tmp, "0x0"); 807 break; 808 } 809 case Sigprocmask: { 810 switch (args[sc->offset]) { 811 #define S(a) case a: tmp = strdup(#a); break; 812 S(SIG_BLOCK); 813 S(SIG_UNBLOCK); 814 S(SIG_SETMASK); 815 #undef S 816 } 817 if (tmp == NULL) 818 asprintf(&tmp, "0x%lx", args[sc->offset]); 819 break; 820 } 821 case Fcntlflag: { 822 /* XXX output depends on the value of the previous argument */ 823 switch (args[sc->offset-1]) { 824 case F_SETFD: 825 tmp = strdup(xlookup_bits(fcntlfd_arg, args[sc->offset])); 826 break; 827 case F_SETFL: 828 tmp = strdup(xlookup_bits(fcntlfl_arg, args[sc->offset])); 829 break; 830 case F_GETFD: 831 case F_GETFL: 832 case F_GETOWN: 833 tmp = strdup(""); 834 break; 835 default: 836 asprintf(&tmp, "0x%lx", args[sc->offset]); 837 break; 838 } 839 break; 840 } 841 case Open: 842 tmp = strdup(xlookup_bits(open_flags, args[sc->offset])); 843 break; 844 case Fcntl: 845 tmp = strdup(xlookup(fcntl_arg, args[sc->offset])); 846 break; 847 case Mprot: 848 tmp = strdup(xlookup_bits(mprot_flags, args[sc->offset])); 849 break; 850 case Mmapflags: 851 tmp = strdup(xlookup_bits(mmap_flags, args[sc->offset])); 852 break; 853 case Whence: 854 tmp = strdup(xlookup(whence_arg, args[sc->offset])); 855 break; 856 case Sockdomain: 857 tmp = strdup(xlookup(sockdomain_arg, args[sc->offset])); 858 break; 859 case Socktype: 860 tmp = strdup(xlookup(socktype_arg, args[sc->offset])); 861 break; 862 case Shutdown: 863 tmp = strdup(xlookup(shutdown_arg, args[sc->offset])); 864 break; 865 case Resource: 866 tmp = strdup(xlookup(resource_arg, args[sc->offset])); 867 break; 868 case Pathconf: 869 tmp = strdup(xlookup(pathconf_arg, args[sc->offset])); 870 break; 871 case Sockaddr: { 872 struct sockaddr_storage ss; 873 char addr[64]; 874 struct sockaddr_in *lsin; 875 struct sockaddr_in6 *lsin6; 876 struct sockaddr_un *sun; 877 struct sockaddr *sa; 878 char *p; 879 u_char *q; 880 int i; 881 882 if (args[sc->offset] == 0) { 883 asprintf(&tmp, "NULL"); 884 break; 885 } 886 887 /* yuck: get ss_len */ 888 if (get_struct(pid, (void *)args[sc->offset], (void *)&ss, 889 sizeof(ss.ss_len) + sizeof(ss.ss_family)) == -1) 890 err(1, "get_struct %p", (void *)args[sc->offset]); 891 /* 892 * If ss_len is 0, then try to guess from the sockaddr type. 893 * AF_UNIX may be initialized incorrectly, so always frob 894 * it by using the "right" size. 895 */ 896 if (ss.ss_len == 0 || ss.ss_family == AF_UNIX) { 897 switch (ss.ss_family) { 898 case AF_INET: 899 ss.ss_len = sizeof(*lsin); 900 break; 901 case AF_UNIX: 902 ss.ss_len = sizeof(*sun); 903 break; 904 default: 905 /* hurrrr */ 906 break; 907 } 908 } 909 if (get_struct(pid, (void *)args[sc->offset], (void *)&ss, ss.ss_len) 910 == -1) { 911 err(2, "get_struct %p", (void *)args[sc->offset]); 912 } 913 914 switch (ss.ss_family) { 915 case AF_INET: 916 lsin = (struct sockaddr_in *)&ss; 917 inet_ntop(AF_INET, &lsin->sin_addr, addr, sizeof addr); 918 asprintf(&tmp, "{ AF_INET %s:%d }", addr, htons(lsin->sin_port)); 919 break; 920 case AF_INET6: 921 lsin6 = (struct sockaddr_in6 *)&ss; 922 inet_ntop(AF_INET6, &lsin6->sin6_addr, addr, sizeof addr); 923 asprintf(&tmp, "{ AF_INET6 [%s]:%d }", addr, htons(lsin6->sin6_port)); 924 break; 925 case AF_UNIX: 926 sun = (struct sockaddr_un *)&ss; 927 asprintf(&tmp, "{ AF_UNIX \"%s\" }", sun->sun_path); 928 break; 929 default: 930 sa = (struct sockaddr *)&ss; 931 asprintf(&tmp, "{ sa_len = %d, sa_family = %d, sa_data = {%n%*s } }", 932 (int)sa->sa_len, (int)sa->sa_family, &i, 933 6 * (int)(sa->sa_len - ((char *)&sa->sa_data - (char *)sa)), ""); 934 if (tmp != NULL) { 935 p = tmp + i; 936 for (q = (u_char *)&sa->sa_data; q < (u_char *)sa + sa->sa_len; q++) 937 p += sprintf(p, " %#02x,", *q); 938 } 939 } 940 break; 941 } 942 case Sigaction: { 943 struct sigaction sa; 944 char *hand; 945 const char *h; 946 947 if (get_struct(pid, (void *)args[sc->offset], &sa, sizeof(sa)) != -1) { 948 949 asprintf(&hand, "%p", sa.sa_handler); 950 if (sa.sa_handler == SIG_DFL) 951 h = "SIG_DFL"; 952 else if (sa.sa_handler == SIG_IGN) 953 h = "SIG_IGN"; 954 else 955 h = hand; 956 957 asprintf(&tmp, "{ %s %s ss_t }", 958 h, 959 xlookup_bits(sigaction_flags, sa.sa_flags)); 960 free(hand); 961 } else { 962 asprintf(&tmp, "0x%lx", args[sc->offset]); 963 } 964 break; 965 } 966 case Kevent: { 967 /* 968 * XXX XXX: the size of the array is determined by either the 969 * next syscall argument, or by the syscall returnvalue, 970 * depending on which argument number we are. This matches the 971 * kevent syscall, but luckily that's the only syscall that uses 972 * them. 973 */ 974 struct kevent *ke; 975 int numevents = -1; 976 int bytes = 0; 977 int i, tmpsize, u, used; 978 const int per_ke = 100; 979 980 if (sc->offset == 1) 981 numevents = args[sc->offset+1]; 982 else if (sc->offset == 3 && retval != -1) 983 numevents = retval; 984 985 if (numevents >= 0) 986 bytes = sizeof(struct kevent) * numevents; 987 if ((ke = malloc(bytes)) == NULL) 988 err(1, "Cannot malloc %d bytes for kevent array", bytes); 989 if (numevents >= 0 && get_struct(pid, (void *)args[sc->offset], ke, bytes) != -1) { 990 used = 0; 991 tmpsize = 1 + per_ke * numevents + 2; 992 if ((tmp = malloc(tmpsize)) == NULL) 993 err(1, "Cannot alloc %d bytes for kevent output", tmpsize); 994 995 tmp[used++] = '{'; 996 for (i = 0; i < numevents; i++) { 997 u = snprintf(tmp + used, per_ke, 998 "%s%p,%s,%s,%d,%p,%p", 999 i > 0 ? " " : "", 1000 (void *)ke[i].ident, 1001 xlookup(kevent_filters, ke[i].filter), 1002 xlookup_bits(kevent_flags, ke[i].flags), 1003 ke[i].fflags, 1004 (void *)ke[i].data, 1005 (void *)ke[i].udata); 1006 if (u > 0) 1007 used += u < per_ke ? u : per_ke; 1008 } 1009 tmp[used++] = '}'; 1010 tmp[used++] = '\0'; 1011 } else { 1012 asprintf(&tmp, "0x%lx", args[sc->offset]); 1013 } 1014 free(ke); 1015 break; 1016 } 1017 case Stat: { 1018 struct stat st; 1019 if (get_struct(pid, (void *)args[sc->offset], &st, sizeof(st)) != -1) { 1020 char mode[12]; 1021 strmode(st.st_mode, mode); 1022 asprintf(&tmp, "{ mode=%s,inode=%jd,size=%jd,blksize=%ld }", 1023 mode, 1024 (intmax_t)st.st_ino,(intmax_t)st.st_size,(long)st.st_blksize); 1025 } else { 1026 asprintf(&tmp, "0x%lx", args[sc->offset]); 1027 } 1028 break; 1029 } 1030 case Rusage: { 1031 struct rusage ru; 1032 if (get_struct(pid, (void *)args[sc->offset], &ru, sizeof(ru)) != -1) { 1033 asprintf(&tmp, "{ u=%ld.%06ld,s=%ld.%06ld,in=%ld,out=%ld }", 1034 (long)ru.ru_utime.tv_sec, ru.ru_utime.tv_usec, 1035 (long)ru.ru_stime.tv_sec, ru.ru_stime.tv_usec, 1036 ru.ru_inblock, ru.ru_oublock); 1037 } else { 1038 asprintf(&tmp, "0x%lx", args[sc->offset]); 1039 } 1040 break; 1041 } 1042 case Rlimit: { 1043 struct rlimit rl; 1044 if (get_struct(pid, (void *)args[sc->offset], &rl, sizeof(rl)) != -1) { 1045 asprintf(&tmp, "{ cur=%ju,max=%ju }", 1046 rl.rlim_cur, rl.rlim_max); 1047 } else { 1048 asprintf(&tmp, "0x%lx", args[sc->offset]); 1049 } 1050 break; 1051 } 1052 default: 1053 errx(1, "Invalid argument type %d\n", sc->type & ARG_MASK); 1054 } 1055 return (tmp); 1056 } 1057 1058 /* 1059 * print_syscall 1060 * Print (to outfile) the system call and its arguments. Note that 1061 * nargs is the number of arguments (not the number of words; this is 1062 * potentially confusing, I know). 1063 */ 1064 1065 void 1066 print_syscall(struct trussinfo *trussinfo, const char *name, int nargs, char **s_args) 1067 { 1068 int i; 1069 int len = 0; 1070 struct timespec timediff; 1071 1072 if (trussinfo->flags & FOLLOWFORKS) 1073 len += fprintf(trussinfo->outfile, "%5d: ", trussinfo->pid); 1074 1075 if (name != NULL && (!strcmp(name, "execve") || !strcmp(name, "exit"))) { 1076 clock_gettime(CLOCK_REALTIME, &trussinfo->after); 1077 } 1078 1079 if (trussinfo->flags & ABSOLUTETIMESTAMPS) { 1080 timespecsubt(&trussinfo->after, &trussinfo->start_time, &timediff); 1081 len += fprintf(trussinfo->outfile, "%ld.%09ld ", 1082 (long)timediff.tv_sec, timediff.tv_nsec); 1083 } 1084 1085 if (trussinfo->flags & RELATIVETIMESTAMPS) { 1086 timespecsubt(&trussinfo->after, &trussinfo->before, &timediff); 1087 len += fprintf(trussinfo->outfile, "%ld.%09ld ", 1088 (long)timediff.tv_sec, timediff.tv_nsec); 1089 } 1090 1091 len += fprintf(trussinfo->outfile, "%s(", name); 1092 1093 for (i = 0; i < nargs; i++) { 1094 if (s_args[i]) 1095 len += fprintf(trussinfo->outfile, "%s", s_args[i]); 1096 else 1097 len += fprintf(trussinfo->outfile, "<missing argument>"); 1098 len += fprintf(trussinfo->outfile, "%s", i < (nargs - 1) ? "," : ""); 1099 } 1100 len += fprintf(trussinfo->outfile, ")"); 1101 for (i = 0; i < 6 - (len / 8); i++) 1102 fprintf(trussinfo->outfile, "\t"); 1103 } 1104 1105 void 1106 print_syscall_ret(struct trussinfo *trussinfo, const char *name, int nargs, 1107 char **s_args, int errorp, long retval, struct syscall *sc) 1108 { 1109 struct timespec timediff; 1110 1111 if (trussinfo->flags & COUNTONLY) { 1112 if (!sc) 1113 return; 1114 clock_gettime(CLOCK_REALTIME, &trussinfo->after); 1115 timespecsubt(&trussinfo->after, &trussinfo->before, &timediff); 1116 timespecadd(&sc->time, &timediff, &sc->time); 1117 sc->ncalls++; 1118 if (errorp) 1119 sc->nerror++; 1120 return; 1121 } 1122 1123 print_syscall(trussinfo, name, nargs, s_args); 1124 fflush(trussinfo->outfile); 1125 if (errorp) { 1126 fprintf(trussinfo->outfile, " ERR#%ld '%s'\n", retval, strerror(retval)); 1127 } else { 1128 fprintf(trussinfo->outfile, " = %ld (0x%lx)\n", retval, retval); 1129 } 1130 } 1131 1132 void 1133 print_summary(struct trussinfo *trussinfo) 1134 { 1135 struct syscall *sc; 1136 struct timespec total = {0, 0}; 1137 int ncall, nerror; 1138 1139 fprintf(trussinfo->outfile, "%-20s%15s%8s%8s\n", 1140 "syscall", "seconds", "calls", "errors"); 1141 ncall = nerror = 0; 1142 for (sc = syscalls; sc->name != NULL; sc++) 1143 if (sc->ncalls) { 1144 fprintf(trussinfo->outfile, "%-20s%5d.%09ld%8d%8d\n", 1145 sc->name, sc->time.tv_sec, sc->time.tv_nsec, 1146 sc->ncalls, sc->nerror); 1147 timespecadd(&total, &sc->time, &total); 1148 ncall += sc->ncalls; 1149 nerror += sc->nerror; 1150 } 1151 fprintf(trussinfo->outfile, "%20s%15s%8s%8s\n", 1152 "", "-------------", "-------", "-------"); 1153 fprintf(trussinfo->outfile, "%-20s%5d.%09ld%8d%8d\n", 1154 "", total.tv_sec, total.tv_nsec, ncall, nerror); 1155 } 1156