1 /*- 2 * SPDX-License-Identifier: BSD-4-Clause 3 * 4 * Copyright 1997 Sean Eric Fagan 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by Sean Eric Fagan 17 * 4. Neither the name of the author may be used to endorse or promote 18 * products derived from this software without specific prior written 19 * permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 #include <sys/cdefs.h> 35 __FBSDID("$FreeBSD$"); 36 37 /* 38 * This file has routines used to print out system calls and their 39 * arguments. 40 */ 41 42 #include <sys/aio.h> 43 #include <sys/capsicum.h> 44 #include <sys/types.h> 45 #define _WANT_FREEBSD11_KEVENT 46 #include <sys/event.h> 47 #include <sys/ioccom.h> 48 #include <sys/mman.h> 49 #include <sys/mount.h> 50 #include <sys/poll.h> 51 #include <sys/procfs.h> 52 #include <sys/ptrace.h> 53 #include <sys/resource.h> 54 #include <sys/sched.h> 55 #include <sys/socket.h> 56 #define _WANT_FREEBSD11_STAT 57 #include <sys/stat.h> 58 #include <sys/sysctl.h> 59 #include <sys/time.h> 60 #include <sys/un.h> 61 #include <sys/wait.h> 62 #include <netinet/in.h> 63 #include <netinet/sctp.h> 64 #include <arpa/inet.h> 65 66 #include <assert.h> 67 #include <ctype.h> 68 #include <err.h> 69 #define _WANT_KERNEL_ERRNO 70 #include <errno.h> 71 #include <fcntl.h> 72 #include <signal.h> 73 #include <stdbool.h> 74 #include <stddef.h> 75 #include <stdio.h> 76 #include <stdlib.h> 77 #include <string.h> 78 #include <sysdecode.h> 79 #include <unistd.h> 80 #include <vis.h> 81 82 #include "truss.h" 83 #include "extern.h" 84 #include "syscall.h" 85 86 /* 87 * This should probably be in its own file, sorted alphabetically. 88 * 89 * Note: We only scan this table on the initial syscall number to calling 90 * convention lookup, i.e. once each time a new syscall is encountered. This 91 * is unlikely to be a performance issue, but if it is we could sort this array 92 * and use a binary search instead. 93 */ 94 static const struct syscall_decode decoded_syscalls[] = { 95 /* Native ABI */ 96 { .name = "__acl_aclcheck_fd", .ret_type = 1, .nargs = 3, 97 .args = { { Int, 0 }, { Acltype, 1 }, { Ptr, 2 } } }, 98 { .name = "__acl_aclcheck_file", .ret_type = 1, .nargs = 3, 99 .args = { { Name, 0 }, { Acltype, 1 }, { Ptr, 2 } } }, 100 { .name = "__acl_aclcheck_link", .ret_type = 1, .nargs = 3, 101 .args = { { Name, 0 }, { Acltype, 1 }, { Ptr, 2 } } }, 102 { .name = "__acl_delete_fd", .ret_type = 1, .nargs = 2, 103 .args = { { Int, 0 }, { Acltype, 1 } } }, 104 { .name = "__acl_delete_file", .ret_type = 1, .nargs = 2, 105 .args = { { Name, 0 }, { Acltype, 1 } } }, 106 { .name = "__acl_delete_link", .ret_type = 1, .nargs = 2, 107 .args = { { Name, 0 }, { Acltype, 1 } } }, 108 { .name = "__acl_get_fd", .ret_type = 1, .nargs = 3, 109 .args = { { Int, 0 }, { Acltype, 1 }, { Ptr, 2 } } }, 110 { .name = "__acl_get_file", .ret_type = 1, .nargs = 3, 111 .args = { { Name, 0 }, { Acltype, 1 }, { Ptr, 2 } } }, 112 { .name = "__acl_get_link", .ret_type = 1, .nargs = 3, 113 .args = { { Name, 0 }, { Acltype, 1 }, { Ptr, 2 } } }, 114 { .name = "__acl_set_fd", .ret_type = 1, .nargs = 3, 115 .args = { { Int, 0 }, { Acltype, 1 }, { Ptr, 2 } } }, 116 { .name = "__acl_set_file", .ret_type = 1, .nargs = 3, 117 .args = { { Name, 0 }, { Acltype, 1 }, { Ptr, 2 } } }, 118 { .name = "__acl_set_link", .ret_type = 1, .nargs = 3, 119 .args = { { Name, 0 }, { Acltype, 1 }, { Ptr, 2 } } }, 120 { .name = "__cap_rights_get", .ret_type = 1, .nargs = 3, 121 .args = { { Int, 0 }, { Int, 1 }, { CapRights | OUT, 2 } } }, 122 { .name = "__getcwd", .ret_type = 1, .nargs = 2, 123 .args = { { Name | OUT, 0 }, { Int, 1 } } }, 124 { .name = "__realpathat", .ret_type = 1, .nargs = 5, 125 .args = { { Atfd, 0 }, { Name | IN, 1 }, { Name | OUT, 2 }, 126 { Sizet, 3 }, { Int, 4} } }, 127 { .name = "_umtx_op", .ret_type = 1, .nargs = 5, 128 .args = { { Ptr, 0 }, { Umtxop, 1 }, { LongHex, 2 }, { Ptr, 3 }, 129 { Ptr, 4 } } }, 130 { .name = "accept", .ret_type = 1, .nargs = 3, 131 .args = { { Int, 0 }, { Sockaddr | OUT, 1 }, { Ptr | OUT, 2 } } }, 132 { .name = "access", .ret_type = 1, .nargs = 2, 133 .args = { { Name | IN, 0 }, { Accessmode, 1 } } }, 134 { .name = "aio_cancel", .ret_type = 1, .nargs = 2, 135 .args = { { Int, 0 }, { Aiocb, 1 } } }, 136 { .name = "aio_error", .ret_type = 1, .nargs = 1, 137 .args = { { Aiocb, 0 } } }, 138 { .name = "aio_fsync", .ret_type = 1, .nargs = 2, 139 .args = { { AiofsyncOp, 0 }, { Aiocb, 1 } } }, 140 { .name = "aio_mlock", .ret_type = 1, .nargs = 1, 141 .args = { { Aiocb, 0 } } }, 142 { .name = "aio_read", .ret_type = 1, .nargs = 1, 143 .args = { { Aiocb, 0 } } }, 144 { .name = "aio_return", .ret_type = 1, .nargs = 1, 145 .args = { { Aiocb, 0 } } }, 146 { .name = "aio_suspend", .ret_type = 1, .nargs = 3, 147 .args = { { AiocbArray, 0 }, { Int, 1 }, { Timespec, 2 } } }, 148 { .name = "aio_waitcomplete", .ret_type = 1, .nargs = 2, 149 .args = { { AiocbPointer | OUT, 0 }, { Timespec, 1 } } }, 150 { .name = "aio_write", .ret_type = 1, .nargs = 1, 151 .args = { { Aiocb, 0 } } }, 152 { .name = "bind", .ret_type = 1, .nargs = 3, 153 .args = { { Int, 0 }, { Sockaddr | IN, 1 }, { Socklent, 2 } } }, 154 { .name = "bindat", .ret_type = 1, .nargs = 4, 155 .args = { { Atfd, 0 }, { Int, 1 }, { Sockaddr | IN, 2 }, 156 { Int, 3 } } }, 157 { .name = "break", .ret_type = 1, .nargs = 1, 158 .args = { { Ptr, 0 } } }, 159 { .name = "cap_fcntls_get", .ret_type = 1, .nargs = 2, 160 .args = { { Int, 0 }, { CapFcntlRights | OUT, 1 } } }, 161 { .name = "cap_fcntls_limit", .ret_type = 1, .nargs = 2, 162 .args = { { Int, 0 }, { CapFcntlRights, 1 } } }, 163 { .name = "cap_getmode", .ret_type = 1, .nargs = 1, 164 .args = { { PUInt | OUT, 0 } } }, 165 { .name = "cap_rights_limit", .ret_type = 1, .nargs = 2, 166 .args = { { Int, 0 }, { CapRights, 1 } } }, 167 { .name = "chdir", .ret_type = 1, .nargs = 1, 168 .args = { { Name, 0 } } }, 169 { .name = "chflags", .ret_type = 1, .nargs = 2, 170 .args = { { Name | IN, 0 }, { FileFlags, 1 } } }, 171 { .name = "chflagsat", .ret_type = 1, .nargs = 4, 172 .args = { { Atfd, 0 }, { Name | IN, 1 }, { FileFlags, 2 }, 173 { Atflags, 3 } } }, 174 { .name = "chmod", .ret_type = 1, .nargs = 2, 175 .args = { { Name, 0 }, { Octal, 1 } } }, 176 { .name = "chown", .ret_type = 1, .nargs = 3, 177 .args = { { Name, 0 }, { Int, 1 }, { Int, 2 } } }, 178 { .name = "chroot", .ret_type = 1, .nargs = 1, 179 .args = { { Name, 0 } } }, 180 { .name = "clock_gettime", .ret_type = 1, .nargs = 2, 181 .args = { { Int, 0 }, { Timespec | OUT, 1 } } }, 182 { .name = "close", .ret_type = 1, .nargs = 1, 183 .args = { { Int, 0 } } }, 184 { .name = "closefrom", .ret_type = 1, .nargs = 1, 185 .args = { { Int, 0 } } }, 186 { .name = "compat11.fstat", .ret_type = 1, .nargs = 2, 187 .args = { { Int, 0 }, { Stat11 | OUT, 1 } } }, 188 { .name = "compat11.fstatat", .ret_type = 1, .nargs = 4, 189 .args = { { Atfd, 0 }, { Name | IN, 1 }, { Stat11 | OUT, 2 }, 190 { Atflags, 3 } } }, 191 { .name = "compat11.kevent", .ret_type = 1, .nargs = 6, 192 .args = { { Int, 0 }, { Kevent11, 1 }, { Int, 2 }, 193 { Kevent11 | OUT, 3 }, { Int, 4 }, { Timespec, 5 } } }, 194 { .name = "compat11.lstat", .ret_type = 1, .nargs = 2, 195 .args = { { Name | IN, 0 }, { Stat11 | OUT, 1 } } }, 196 { .name = "compat11.mknod", .ret_type = 1, .nargs = 3, 197 .args = { { Name, 0 }, { Octal, 1 }, { Int, 2 } } }, 198 { .name = "compat11.mknodat", .ret_type = 1, .nargs = 4, 199 .args = { { Atfd, 0 }, { Name, 1 }, { Octal, 2 }, { Int, 3 } } }, 200 { .name = "compat11.stat", .ret_type = 1, .nargs = 2, 201 .args = { { Name | IN, 0 }, { Stat11 | OUT, 1 } } }, 202 { .name = "connect", .ret_type = 1, .nargs = 3, 203 .args = { { Int, 0 }, { Sockaddr | IN, 1 }, { Socklent, 2 } } }, 204 { .name = "connectat", .ret_type = 1, .nargs = 4, 205 .args = { { Atfd, 0 }, { Int, 1 }, { Sockaddr | IN, 2 }, 206 { Int, 3 } } }, 207 { .name = "dup", .ret_type = 1, .nargs = 1, 208 .args = { { Int, 0 } } }, 209 { .name = "dup2", .ret_type = 1, .nargs = 2, 210 .args = { { Int, 0 }, { Int, 1 } } }, 211 { .name = "eaccess", .ret_type = 1, .nargs = 2, 212 .args = { { Name | IN, 0 }, { Accessmode, 1 } } }, 213 { .name = "execve", .ret_type = 1, .nargs = 3, 214 .args = { { Name | IN, 0 }, { ExecArgs | IN, 1 }, 215 { ExecEnv | IN, 2 } } }, 216 { .name = "exit", .ret_type = 0, .nargs = 1, 217 .args = { { Hex, 0 } } }, 218 { .name = "extattr_delete_fd", .ret_type = 1, .nargs = 3, 219 .args = { { Int, 0 }, { Extattrnamespace, 1 }, { Name, 2 } } }, 220 { .name = "extattr_delete_file", .ret_type = 1, .nargs = 3, 221 .args = { { Name, 0 }, { Extattrnamespace, 1 }, { Name, 2 } } }, 222 { .name = "extattr_delete_link", .ret_type = 1, .nargs = 3, 223 .args = { { Name, 0 }, { Extattrnamespace, 1 }, { Name, 2 } } }, 224 { .name = "extattr_get_fd", .ret_type = 1, .nargs = 5, 225 .args = { { Int, 0 }, { Extattrnamespace, 1 }, { Name, 2 }, 226 { BinString | OUT, 3 }, { Sizet, 4 } } }, 227 { .name = "extattr_get_file", .ret_type = 1, .nargs = 5, 228 .args = { { Name, 0 }, { Extattrnamespace, 1 }, { Name, 2 }, 229 { BinString | OUT, 3 }, { Sizet, 4 } } }, 230 { .name = "extattr_get_link", .ret_type = 1, .nargs = 5, 231 .args = { { Name, 0 }, { Extattrnamespace, 1 }, { Name, 2 }, 232 { BinString | OUT, 3 }, { Sizet, 4 } } }, 233 { .name = "extattr_list_fd", .ret_type = 1, .nargs = 4, 234 .args = { { Int, 0 }, { Extattrnamespace, 1 }, { BinString | OUT, 2 }, 235 { Sizet, 3 } } }, 236 { .name = "extattr_list_file", .ret_type = 1, .nargs = 4, 237 .args = { { Name, 0 }, { Extattrnamespace, 1 }, { BinString | OUT, 2 }, 238 { Sizet, 3 } } }, 239 { .name = "extattr_list_link", .ret_type = 1, .nargs = 4, 240 .args = { { Name, 0 }, { Extattrnamespace, 1 }, { BinString | OUT, 2 }, 241 { Sizet, 3 } } }, 242 { .name = "extattr_set_fd", .ret_type = 1, .nargs = 5, 243 .args = { { Int, 0 }, { Extattrnamespace, 1 }, { Name, 2 }, 244 { BinString | IN, 3 }, { Sizet, 4 } } }, 245 { .name = "extattr_set_file", .ret_type = 1, .nargs = 5, 246 .args = { { Name, 0 }, { Extattrnamespace, 1 }, { Name, 2 }, 247 { BinString | IN, 3 }, { Sizet, 4 } } }, 248 { .name = "extattr_set_link", .ret_type = 1, .nargs = 5, 249 .args = { { Name, 0 }, { Extattrnamespace, 1 }, { Name, 2 }, 250 { BinString | IN, 3 }, { Sizet, 4 } } }, 251 { .name = "extattrctl", .ret_type = 1, .nargs = 5, 252 .args = { { Name, 0 }, { Hex, 1 }, { Name, 2 }, 253 { Extattrnamespace, 3 }, { Name, 4 } } }, 254 { .name = "faccessat", .ret_type = 1, .nargs = 4, 255 .args = { { Atfd, 0 }, { Name | IN, 1 }, { Accessmode, 2 }, 256 { Atflags, 3 } } }, 257 { .name = "fchflags", .ret_type = 1, .nargs = 2, 258 .args = { { Int, 0 }, { FileFlags, 1 } } }, 259 { .name = "fchmod", .ret_type = 1, .nargs = 2, 260 .args = { { Int, 0 }, { Octal, 1 } } }, 261 { .name = "fchmodat", .ret_type = 1, .nargs = 4, 262 .args = { { Atfd, 0 }, { Name, 1 }, { Octal, 2 }, { Atflags, 3 } } }, 263 { .name = "fchown", .ret_type = 1, .nargs = 3, 264 .args = { { Int, 0 }, { Int, 1 }, { Int, 2 } } }, 265 { .name = "fchownat", .ret_type = 1, .nargs = 5, 266 .args = { { Atfd, 0 }, { Name, 1 }, { Int, 2 }, { Int, 3 }, 267 { Atflags, 4 } } }, 268 { .name = "fcntl", .ret_type = 1, .nargs = 3, 269 .args = { { Int, 0 }, { Fcntl, 1 }, { Fcntlflag, 2 } } }, 270 { .name = "fdatasync", .ret_type = 1, .nargs = 1, 271 .args = { { Int, 0 } } }, 272 { .name = "flock", .ret_type = 1, .nargs = 2, 273 .args = { { Int, 0 }, { Flockop, 1 } } }, 274 { .name = "fstat", .ret_type = 1, .nargs = 2, 275 .args = { { Int, 0 }, { Stat | OUT, 1 } } }, 276 { .name = "fstatat", .ret_type = 1, .nargs = 4, 277 .args = { { Atfd, 0 }, { Name | IN, 1 }, { Stat | OUT, 2 }, 278 { Atflags, 3 } } }, 279 { .name = "fstatfs", .ret_type = 1, .nargs = 2, 280 .args = { { Int, 0 }, { StatFs | OUT, 1 } } }, 281 { .name = "fsync", .ret_type = 1, .nargs = 1, 282 .args = { { Int, 0 } } }, 283 { .name = "ftruncate", .ret_type = 1, .nargs = 2, 284 .args = { { Int | IN, 0 }, { QuadHex | IN, 1 } } }, 285 { .name = "futimens", .ret_type = 1, .nargs = 2, 286 .args = { { Int, 0 }, { Timespec2 | IN, 1 } } }, 287 { .name = "futimes", .ret_type = 1, .nargs = 2, 288 .args = { { Int, 0 }, { Timeval2 | IN, 1 } } }, 289 { .name = "futimesat", .ret_type = 1, .nargs = 3, 290 .args = { { Atfd, 0 }, { Name | IN, 1 }, { Timeval2 | IN, 2 } } }, 291 { .name = "getdirentries", .ret_type = 1, .nargs = 4, 292 .args = { { Int, 0 }, { BinString | OUT, 1 }, { Int, 2 }, 293 { PQuadHex | OUT, 3 } } }, 294 { .name = "getfsstat", .ret_type = 1, .nargs = 3, 295 .args = { { Ptr, 0 }, { Long, 1 }, { Getfsstatmode, 2 } } }, 296 { .name = "getitimer", .ret_type = 1, .nargs = 2, 297 .args = { { Int, 0 }, { Itimerval | OUT, 2 } } }, 298 { .name = "getpeername", .ret_type = 1, .nargs = 3, 299 .args = { { Int, 0 }, { Sockaddr | OUT, 1 }, { Ptr | OUT, 2 } } }, 300 { .name = "getpgid", .ret_type = 1, .nargs = 1, 301 .args = { { Int, 0 } } }, 302 { .name = "getpriority", .ret_type = 1, .nargs = 2, 303 .args = { { Priowhich, 0 }, { Int, 1 } } }, 304 { .name = "getrandom", .ret_type = 1, .nargs = 3, 305 .args = { { BinString | OUT, 0 }, { Sizet, 1 }, { UInt, 2 } } }, 306 { .name = "getrlimit", .ret_type = 1, .nargs = 2, 307 .args = { { Resource, 0 }, { Rlimit | OUT, 1 } } }, 308 { .name = "getrusage", .ret_type = 1, .nargs = 2, 309 .args = { { RusageWho, 0 }, { Rusage | OUT, 1 } } }, 310 { .name = "getsid", .ret_type = 1, .nargs = 1, 311 .args = { { Int, 0 } } }, 312 { .name = "getsockname", .ret_type = 1, .nargs = 3, 313 .args = { { Int, 0 }, { Sockaddr | OUT, 1 }, { Ptr | OUT, 2 } } }, 314 { .name = "getsockopt", .ret_type = 1, .nargs = 5, 315 .args = { { Int, 0 }, { Sockoptlevel, 1 }, { Sockoptname, 2 }, 316 { Ptr | OUT, 3 }, { Ptr | OUT, 4 } } }, 317 { .name = "gettimeofday", .ret_type = 1, .nargs = 2, 318 .args = { { Timeval | OUT, 0 }, { Ptr, 1 } } }, 319 { .name = "ioctl", .ret_type = 1, .nargs = 3, 320 .args = { { Int, 0 }, { Ioctl, 1 }, { Ptr, 2 } } }, 321 { .name = "kevent", .ret_type = 1, .nargs = 6, 322 .args = { { Int, 0 }, { Kevent, 1 }, { Int, 2 }, { Kevent | OUT, 3 }, 323 { Int, 4 }, { Timespec, 5 } } }, 324 { .name = "kill", .ret_type = 1, .nargs = 2, 325 .args = { { Int | IN, 0 }, { Signal | IN, 1 } } }, 326 { .name = "kldfind", .ret_type = 1, .nargs = 1, 327 .args = { { Name | IN, 0 } } }, 328 { .name = "kldfirstmod", .ret_type = 1, .nargs = 1, 329 .args = { { Int, 0 } } }, 330 { .name = "kldload", .ret_type = 1, .nargs = 1, 331 .args = { { Name | IN, 0 } } }, 332 { .name = "kldnext", .ret_type = 1, .nargs = 1, 333 .args = { { Int, 0 } } }, 334 { .name = "kldstat", .ret_type = 1, .nargs = 2, 335 .args = { { Int, 0 }, { Ptr, 1 } } }, 336 { .name = "kldsym", .ret_type = 1, .nargs = 3, 337 .args = { { Int, 0 }, { Kldsymcmd, 1 }, { Ptr, 2 } } }, 338 { .name = "kldunload", .ret_type = 1, .nargs = 1, 339 .args = { { Int, 0 } } }, 340 { .name = "kldunloadf", .ret_type = 1, .nargs = 2, 341 .args = { { Int, 0 }, { Kldunloadflags, 1 } } }, 342 { .name = "kse_release", .ret_type = 0, .nargs = 1, 343 .args = { { Timespec, 0 } } }, 344 { .name = "lchflags", .ret_type = 1, .nargs = 2, 345 .args = { { Name | IN, 0 }, { FileFlags, 1 } } }, 346 { .name = "lchmod", .ret_type = 1, .nargs = 2, 347 .args = { { Name, 0 }, { Octal, 1 } } }, 348 { .name = "lchown", .ret_type = 1, .nargs = 3, 349 .args = { { Name, 0 }, { Int, 1 }, { Int, 2 } } }, 350 { .name = "link", .ret_type = 1, .nargs = 2, 351 .args = { { Name, 0 }, { Name, 1 } } }, 352 { .name = "linkat", .ret_type = 1, .nargs = 5, 353 .args = { { Atfd, 0 }, { Name, 1 }, { Atfd, 2 }, { Name, 3 }, 354 { Atflags, 4 } } }, 355 { .name = "lio_listio", .ret_type = 1, .nargs = 4, 356 .args = { { LioMode, 0 }, { AiocbArray, 1 }, { Int, 2 }, 357 { Sigevent, 3 } } }, 358 { .name = "listen", .ret_type = 1, .nargs = 2, 359 .args = { { Int, 0 }, { Int, 1 } } }, 360 { .name = "lseek", .ret_type = 2, .nargs = 3, 361 .args = { { Int, 0 }, { QuadHex, 1 }, { Whence, 2 } } }, 362 { .name = "lstat", .ret_type = 1, .nargs = 2, 363 .args = { { Name | IN, 0 }, { Stat | OUT, 1 } } }, 364 { .name = "lutimes", .ret_type = 1, .nargs = 2, 365 .args = { { Name | IN, 0 }, { Timeval2 | IN, 1 } } }, 366 { .name = "madvise", .ret_type = 1, .nargs = 3, 367 .args = { { Ptr, 0 }, { Sizet, 1 }, { Madvice, 2 } } }, 368 { .name = "minherit", .ret_type = 1, .nargs = 3, 369 .args = { { Ptr, 0 }, { Sizet, 1 }, { Minherit, 2 } } }, 370 { .name = "mkdir", .ret_type = 1, .nargs = 2, 371 .args = { { Name, 0 }, { Octal, 1 } } }, 372 { .name = "mkdirat", .ret_type = 1, .nargs = 3, 373 .args = { { Atfd, 0 }, { Name, 1 }, { Octal, 2 } } }, 374 { .name = "mkfifo", .ret_type = 1, .nargs = 2, 375 .args = { { Name, 0 }, { Octal, 1 } } }, 376 { .name = "mkfifoat", .ret_type = 1, .nargs = 3, 377 .args = { { Atfd, 0 }, { Name, 1 }, { Octal, 2 } } }, 378 { .name = "mknod", .ret_type = 1, .nargs = 3, 379 .args = { { Name, 0 }, { Octal, 1 }, { Quad, 2 } } }, 380 { .name = "mknodat", .ret_type = 1, .nargs = 4, 381 .args = { { Atfd, 0 }, { Name, 1 }, { Octal, 2 }, { Quad, 3 } } }, 382 { .name = "mlock", .ret_type = 1, .nargs = 2, 383 .args = { { Ptr, 0 }, { Sizet, 1 } } }, 384 { .name = "mlockall", .ret_type = 1, .nargs = 1, 385 .args = { { Mlockall, 0 } } }, 386 { .name = "mmap", .ret_type = 1, .nargs = 6, 387 .args = { { Ptr, 0 }, { Sizet, 1 }, { Mprot, 2 }, { Mmapflags, 3 }, 388 { Int, 4 }, { QuadHex, 5 } } }, 389 { .name = "modfind", .ret_type = 1, .nargs = 1, 390 .args = { { Name | IN, 0 } } }, 391 { .name = "mount", .ret_type = 1, .nargs = 4, 392 .args = { { Name, 0 }, { Name, 1 }, { Mountflags, 2 }, { Ptr, 3 } } }, 393 { .name = "mprotect", .ret_type = 1, .nargs = 3, 394 .args = { { Ptr, 0 }, { Sizet, 1 }, { Mprot, 2 } } }, 395 { .name = "msync", .ret_type = 1, .nargs = 3, 396 .args = { { Ptr, 0 }, { Sizet, 1 }, { Msync, 2 } } }, 397 { .name = "munlock", .ret_type = 1, .nargs = 2, 398 .args = { { Ptr, 0 }, { Sizet, 1 } } }, 399 { .name = "munmap", .ret_type = 1, .nargs = 2, 400 .args = { { Ptr, 0 }, { Sizet, 1 } } }, 401 { .name = "nanosleep", .ret_type = 1, .nargs = 1, 402 .args = { { Timespec, 0 } } }, 403 { .name = "nmount", .ret_type = 1, .nargs = 3, 404 .args = { { Ptr, 0 }, { UInt, 1 }, { Mountflags, 2 } } }, 405 { .name = "open", .ret_type = 1, .nargs = 3, 406 .args = { { Name | IN, 0 }, { Open, 1 }, { Octal, 2 } } }, 407 { .name = "openat", .ret_type = 1, .nargs = 4, 408 .args = { { Atfd, 0 }, { Name | IN, 1 }, { Open, 2 }, 409 { Octal, 3 } } }, 410 { .name = "pathconf", .ret_type = 1, .nargs = 2, 411 .args = { { Name | IN, 0 }, { Pathconf, 1 } } }, 412 { .name = "pipe", .ret_type = 1, .nargs = 1, 413 .args = { { PipeFds | OUT, 0 } } }, 414 { .name = "pipe2", .ret_type = 1, .nargs = 2, 415 .args = { { Ptr, 0 }, { Pipe2, 1 } } }, 416 { .name = "poll", .ret_type = 1, .nargs = 3, 417 .args = { { Pollfd, 0 }, { Int, 1 }, { Int, 2 } } }, 418 { .name = "posix_fadvise", .ret_type = 1, .nargs = 4, 419 .args = { { Int, 0 }, { QuadHex, 1 }, { QuadHex, 2 }, 420 { Fadvice, 3 } } }, 421 { .name = "posix_openpt", .ret_type = 1, .nargs = 1, 422 .args = { { Open, 0 } } }, 423 { .name = "pread", .ret_type = 1, .nargs = 4, 424 .args = { { Int, 0 }, { BinString | OUT, 1 }, { Sizet, 2 }, 425 { QuadHex, 3 } } }, 426 { .name = "procctl", .ret_type = 1, .nargs = 4, 427 .args = { { Idtype, 0 }, { Quad, 1 }, { Procctl, 2 }, { Ptr, 3 } } }, 428 { .name = "ptrace", .ret_type = 1, .nargs = 4, 429 .args = { { Ptraceop, 0 }, { Int, 1 }, { Ptr, 2 }, { Int, 3 } } }, 430 { .name = "pwrite", .ret_type = 1, .nargs = 4, 431 .args = { { Int, 0 }, { BinString | IN, 1 }, { Sizet, 2 }, 432 { QuadHex, 3 } } }, 433 { .name = "quotactl", .ret_type = 1, .nargs = 4, 434 .args = { { Name, 0 }, { Quotactlcmd, 1 }, { Int, 2 }, { Ptr, 3 } } }, 435 { .name = "read", .ret_type = 1, .nargs = 3, 436 .args = { { Int, 0 }, { BinString | OUT, 1 }, { Sizet, 2 } } }, 437 { .name = "readlink", .ret_type = 1, .nargs = 3, 438 .args = { { Name, 0 }, { Readlinkres | OUT, 1 }, { Sizet, 2 } } }, 439 { .name = "readlinkat", .ret_type = 1, .nargs = 4, 440 .args = { { Atfd, 0 }, { Name, 1 }, { Readlinkres | OUT, 2 }, 441 { Sizet, 3 } } }, 442 { .name = "readv", .ret_type = 1, .nargs = 3, 443 .args = { { Int, 0 }, { Iovec | OUT, 1 }, { Int, 2 } } }, 444 { .name = "reboot", .ret_type = 1, .nargs = 1, 445 .args = { { Reboothowto, 0 } } }, 446 { .name = "recvfrom", .ret_type = 1, .nargs = 6, 447 .args = { { Int, 0 }, { BinString | OUT, 1 }, { Sizet, 2 }, 448 { Msgflags, 3 }, { Sockaddr | OUT, 4 }, 449 { Ptr | OUT, 5 } } }, 450 { .name = "recvmsg", .ret_type = 1, .nargs = 3, 451 .args = { { Int, 0 }, { Msghdr | OUT, 1 }, { Msgflags, 2 } } }, 452 { .name = "rename", .ret_type = 1, .nargs = 2, 453 .args = { { Name, 0 }, { Name, 1 } } }, 454 { .name = "renameat", .ret_type = 1, .nargs = 4, 455 .args = { { Atfd, 0 }, { Name, 1 }, { Atfd, 2 }, { Name, 3 } } }, 456 { .name = "rfork", .ret_type = 1, .nargs = 1, 457 .args = { { Rforkflags, 0 } } }, 458 { .name = "rmdir", .ret_type = 1, .nargs = 1, 459 .args = { { Name, 0 } } }, 460 { .name = "rtprio", .ret_type = 1, .nargs = 3, 461 .args = { { Rtpriofunc, 0 }, { Int, 1 }, { Ptr, 2 } } }, 462 { .name = "rtprio_thread", .ret_type = 1, .nargs = 3, 463 .args = { { Rtpriofunc, 0 }, { Int, 1 }, { Ptr, 2 } } }, 464 { .name = "sched_get_priority_max", .ret_type = 1, .nargs = 1, 465 .args = { { Schedpolicy, 0 } } }, 466 { .name = "sched_get_priority_min", .ret_type = 1, .nargs = 1, 467 .args = { { Schedpolicy, 0 } } }, 468 { .name = "sched_getparam", .ret_type = 1, .nargs = 2, 469 .args = { { Int, 0 }, { Schedparam | OUT, 1 } } }, 470 { .name = "sched_getscheduler", .ret_type = 1, .nargs = 1, 471 .args = { { Int, 0 } } }, 472 { .name = "sched_rr_get_interval", .ret_type = 1, .nargs = 2, 473 .args = { { Int, 0 }, { Timespec | OUT, 1 } } }, 474 { .name = "sched_setparam", .ret_type = 1, .nargs = 2, 475 .args = { { Int, 0 }, { Schedparam, 1 } } }, 476 { .name = "sched_setscheduler", .ret_type = 1, .nargs = 3, 477 .args = { { Int, 0 }, { Schedpolicy, 1 }, { Schedparam, 2 } } }, 478 { .name = "sctp_generic_recvmsg", .ret_type = 1, .nargs = 7, 479 .args = { { Int, 0 }, { Iovec | OUT, 1 }, { Int, 2 }, 480 { Sockaddr | OUT, 3 }, { Ptr | OUT, 4 }, 481 { Sctpsndrcvinfo | OUT, 5 }, { Ptr | OUT, 6 } } }, 482 { .name = "sctp_generic_sendmsg", .ret_type = 1, .nargs = 7, 483 .args = { { Int, 0 }, { BinString | IN, 1 }, { Int, 2 }, 484 { Sockaddr | IN, 3 }, { Socklent, 4 }, 485 { Sctpsndrcvinfo | IN, 5 }, { Msgflags, 6 } } }, 486 { .name = "sctp_generic_sendmsg_iov", .ret_type = 1, .nargs = 7, 487 .args = { { Int, 0 }, { Iovec | IN, 1 }, { Int, 2 }, 488 { Sockaddr | IN, 3 }, { Socklent, 4 }, 489 { Sctpsndrcvinfo | IN, 5 }, { Msgflags, 6 } } }, 490 { .name = "sendfile", .ret_type = 1, .nargs = 7, 491 .args = { { Int, 0 }, { Int, 1 }, { QuadHex, 2 }, { Sizet, 3 }, 492 { Sendfilehdtr, 4 }, { QuadHex | OUT, 5 }, 493 { Sendfileflags, 6 } } }, 494 { .name = "select", .ret_type = 1, .nargs = 5, 495 .args = { { Int, 0 }, { Fd_set, 1 }, { Fd_set, 2 }, { Fd_set, 3 }, 496 { Timeval, 4 } } }, 497 { .name = "sendmsg", .ret_type = 1, .nargs = 3, 498 .args = { { Int, 0 }, { Msghdr | IN, 1 }, { Msgflags, 2 } } }, 499 { .name = "sendto", .ret_type = 1, .nargs = 6, 500 .args = { { Int, 0 }, { BinString | IN, 1 }, { Sizet, 2 }, 501 { Msgflags, 3 }, { Sockaddr | IN, 4 }, 502 { Socklent | IN, 5 } } }, 503 { .name = "setitimer", .ret_type = 1, .nargs = 3, 504 .args = { { Int, 0 }, { Itimerval, 1 }, { Itimerval | OUT, 2 } } }, 505 { .name = "setpriority", .ret_type = 1, .nargs = 3, 506 .args = { { Priowhich, 0 }, { Int, 1 }, { Int, 2 } } }, 507 { .name = "setrlimit", .ret_type = 1, .nargs = 2, 508 .args = { { Resource, 0 }, { Rlimit | IN, 1 } } }, 509 { .name = "setsockopt", .ret_type = 1, .nargs = 5, 510 .args = { { Int, 0 }, { Sockoptlevel, 1 }, { Sockoptname, 2 }, 511 { Ptr | IN, 3 }, { Socklent, 4 } } }, 512 { .name = "shm_open", .ret_type = 1, .nargs = 3, 513 .args = { { ShmName | IN, 0 }, { Open, 1 }, { Octal, 2 } } }, 514 { .name = "shm_open2", .ret_type = 1, .nargs = 5, 515 .args = { { ShmName | IN, 0 }, { Open, 1 }, { Octal, 2 }, 516 { ShmFlags, 3 }, { Name | IN, 4 } } }, 517 { .name = "shm_rename", .ret_type = 1, .nargs = 3, 518 .args = { { Name | IN, 0 }, { Name | IN, 1 }, { Hex, 2 } } }, 519 { .name = "shm_unlink", .ret_type = 1, .nargs = 1, 520 .args = { { Name | IN, 0 } } }, 521 { .name = "shutdown", .ret_type = 1, .nargs = 2, 522 .args = { { Int, 0 }, { Shutdown, 1 } } }, 523 { .name = "sigaction", .ret_type = 1, .nargs = 3, 524 .args = { { Signal, 0 }, { Sigaction | IN, 1 }, 525 { Sigaction | OUT, 2 } } }, 526 { .name = "sigpending", .ret_type = 1, .nargs = 1, 527 .args = { { Sigset | OUT, 0 } } }, 528 { .name = "sigprocmask", .ret_type = 1, .nargs = 3, 529 .args = { { Sigprocmask, 0 }, { Sigset, 1 }, { Sigset | OUT, 2 } } }, 530 { .name = "sigqueue", .ret_type = 1, .nargs = 3, 531 .args = { { Int, 0 }, { Signal, 1 }, { LongHex, 2 } } }, 532 { .name = "sigreturn", .ret_type = 1, .nargs = 1, 533 .args = { { Ptr, 0 } } }, 534 { .name = "sigsuspend", .ret_type = 1, .nargs = 1, 535 .args = { { Sigset | IN, 0 } } }, 536 { .name = "sigtimedwait", .ret_type = 1, .nargs = 3, 537 .args = { { Sigset | IN, 0 }, { Siginfo | OUT, 1 }, 538 { Timespec | IN, 2 } } }, 539 { .name = "sigwait", .ret_type = 1, .nargs = 2, 540 .args = { { Sigset | IN, 0 }, { PSig | OUT, 1 } } }, 541 { .name = "sigwaitinfo", .ret_type = 1, .nargs = 2, 542 .args = { { Sigset | IN, 0 }, { Siginfo | OUT, 1 } } }, 543 { .name = "socket", .ret_type = 1, .nargs = 3, 544 .args = { { Sockdomain, 0 }, { Socktype, 1 }, { Sockprotocol, 2 } } }, 545 { .name = "stat", .ret_type = 1, .nargs = 2, 546 .args = { { Name | IN, 0 }, { Stat | OUT, 1 } } }, 547 { .name = "statfs", .ret_type = 1, .nargs = 2, 548 .args = { { Name | IN, 0 }, { StatFs | OUT, 1 } } }, 549 { .name = "symlink", .ret_type = 1, .nargs = 2, 550 .args = { { Name, 0 }, { Name, 1 } } }, 551 { .name = "symlinkat", .ret_type = 1, .nargs = 3, 552 .args = { { Name, 0 }, { Atfd, 1 }, { Name, 2 } } }, 553 { .name = "sysarch", .ret_type = 1, .nargs = 2, 554 .args = { { Sysarch, 0 }, { Ptr, 1 } } }, 555 { .name = "__sysctl", .ret_type = 1, .nargs = 6, 556 .args = { { Sysctl, 0 }, { Sizet, 1 }, { Ptr, 2 }, { Ptr, 3 }, 557 { Ptr, 4 }, { Sizet, 5 } } }, 558 { .name = "__sysctlbyname", .ret_type = 1, .nargs = 6, 559 .args = { { Name, 0 }, { Sizet, 1 }, { Ptr, 2 }, { Ptr, 3 }, 560 { Ptr, 4}, { Sizet, 5 } } }, 561 { .name = "thr_kill", .ret_type = 1, .nargs = 2, 562 .args = { { Long, 0 }, { Signal, 1 } } }, 563 { .name = "thr_self", .ret_type = 1, .nargs = 1, 564 .args = { { Ptr, 0 } } }, 565 { .name = "thr_set_name", .ret_type = 1, .nargs = 2, 566 .args = { { Long, 0 }, { Name, 1 } } }, 567 { .name = "truncate", .ret_type = 1, .nargs = 2, 568 .args = { { Name | IN, 0 }, { QuadHex | IN, 1 } } }, 569 #if 0 570 /* Does not exist */ 571 { .name = "umount", .ret_type = 1, .nargs = 2, 572 .args = { { Name, 0 }, { Int, 2 } } }, 573 #endif 574 { .name = "unlink", .ret_type = 1, .nargs = 1, 575 .args = { { Name, 0 } } }, 576 { .name = "unlinkat", .ret_type = 1, .nargs = 3, 577 .args = { { Atfd, 0 }, { Name, 1 }, { Atflags, 2 } } }, 578 { .name = "unmount", .ret_type = 1, .nargs = 2, 579 .args = { { Name, 0 }, { Mountflags, 1 } } }, 580 { .name = "utimensat", .ret_type = 1, .nargs = 4, 581 .args = { { Atfd, 0 }, { Name | IN, 1 }, { Timespec2 | IN, 2 }, 582 { Atflags, 3 } } }, 583 { .name = "utimes", .ret_type = 1, .nargs = 2, 584 .args = { { Name | IN, 0 }, { Timeval2 | IN, 1 } } }, 585 { .name = "utrace", .ret_type = 1, .nargs = 1, 586 .args = { { Utrace, 0 } } }, 587 { .name = "wait4", .ret_type = 1, .nargs = 4, 588 .args = { { Int, 0 }, { ExitStatus | OUT, 1 }, { Waitoptions, 2 }, 589 { Rusage | OUT, 3 } } }, 590 { .name = "wait6", .ret_type = 1, .nargs = 6, 591 .args = { { Idtype, 0 }, { Quad, 1 }, { ExitStatus | OUT, 2 }, 592 { Waitoptions, 3 }, { Rusage | OUT, 4 }, 593 { Siginfo | OUT, 5 } } }, 594 { .name = "write", .ret_type = 1, .nargs = 3, 595 .args = { { Int, 0 }, { BinString | IN, 1 }, { Sizet, 2 } } }, 596 { .name = "writev", .ret_type = 1, .nargs = 3, 597 .args = { { Int, 0 }, { Iovec | IN, 1 }, { Int, 2 } } }, 598 599 /* Linux ABI */ 600 { .name = "linux_access", .ret_type = 1, .nargs = 2, 601 .args = { { Name, 0 }, { Accessmode, 1 } } }, 602 { .name = "linux_execve", .ret_type = 1, .nargs = 3, 603 .args = { { Name | IN, 0 }, { ExecArgs | IN, 1 }, 604 { ExecEnv | IN, 2 } } }, 605 { .name = "linux_lseek", .ret_type = 2, .nargs = 3, 606 .args = { { Int, 0 }, { Int, 1 }, { Whence, 2 } } }, 607 { .name = "linux_mkdir", .ret_type = 1, .nargs = 2, 608 .args = { { Name | IN, 0 }, { Int, 1 } } }, 609 { .name = "linux_newfstat", .ret_type = 1, .nargs = 2, 610 .args = { { Int, 0 }, { Ptr | OUT, 1 } } }, 611 { .name = "linux_newstat", .ret_type = 1, .nargs = 2, 612 .args = { { Name | IN, 0 }, { Ptr | OUT, 1 } } }, 613 { .name = "linux_open", .ret_type = 1, .nargs = 3, 614 .args = { { Name, 0 }, { Hex, 1 }, { Octal, 2 } } }, 615 { .name = "linux_readlink", .ret_type = 1, .nargs = 3, 616 .args = { { Name, 0 }, { Name | OUT, 1 }, { Sizet, 2 } } }, 617 { .name = "linux_socketcall", .ret_type = 1, .nargs = 2, 618 .args = { { Int, 0 }, { LinuxSockArgs, 1 } } }, 619 { .name = "linux_stat64", .ret_type = 1, .nargs = 2, 620 .args = { { Name | IN, 0 }, { Ptr | OUT, 1 } } }, 621 }; 622 static STAILQ_HEAD(, syscall) seen_syscalls; 623 624 /* Xlat idea taken from strace */ 625 struct xlat { 626 int val; 627 const char *str; 628 }; 629 630 #define X(a) { a, #a }, 631 #define XEND { 0, NULL } 632 633 static struct xlat poll_flags[] = { 634 X(POLLSTANDARD) X(POLLIN) X(POLLPRI) X(POLLOUT) X(POLLERR) 635 X(POLLHUP) X(POLLNVAL) X(POLLRDNORM) X(POLLRDBAND) 636 X(POLLWRBAND) X(POLLINIGNEOF) X(POLLRDHUP) XEND 637 }; 638 639 static struct xlat sigaction_flags[] = { 640 X(SA_ONSTACK) X(SA_RESTART) X(SA_RESETHAND) X(SA_NOCLDSTOP) 641 X(SA_NODEFER) X(SA_NOCLDWAIT) X(SA_SIGINFO) XEND 642 }; 643 644 static struct xlat linux_socketcall_ops[] = { 645 X(LINUX_SOCKET) X(LINUX_BIND) X(LINUX_CONNECT) X(LINUX_LISTEN) 646 X(LINUX_ACCEPT) X(LINUX_GETSOCKNAME) X(LINUX_GETPEERNAME) 647 X(LINUX_SOCKETPAIR) X(LINUX_SEND) X(LINUX_RECV) X(LINUX_SENDTO) 648 X(LINUX_RECVFROM) X(LINUX_SHUTDOWN) X(LINUX_SETSOCKOPT) 649 X(LINUX_GETSOCKOPT) X(LINUX_SENDMSG) X(LINUX_RECVMSG) 650 XEND 651 }; 652 653 static struct xlat lio_modes[] = { 654 X(LIO_WAIT) X(LIO_NOWAIT) 655 XEND 656 }; 657 658 static struct xlat lio_opcodes[] = { 659 X(LIO_WRITE) X(LIO_READ) X(LIO_READV) X(LIO_WRITEV) X(LIO_NOP) 660 XEND 661 }; 662 663 static struct xlat aio_fsync_ops[] = { 664 X(O_SYNC) 665 XEND 666 }; 667 668 #undef X 669 #undef XEND 670 671 /* 672 * Searches an xlat array for a value, and returns it if found. Otherwise 673 * return a string representation. 674 */ 675 static const char * 676 lookup(struct xlat *xlat, int val, int base) 677 { 678 static char tmp[16]; 679 680 for (; xlat->str != NULL; xlat++) 681 if (xlat->val == val) 682 return (xlat->str); 683 switch (base) { 684 case 8: 685 sprintf(tmp, "0%o", val); 686 break; 687 case 16: 688 sprintf(tmp, "0x%x", val); 689 break; 690 case 10: 691 sprintf(tmp, "%u", val); 692 break; 693 default: 694 errx(1, "Unknown lookup base"); 695 } 696 return (tmp); 697 } 698 699 static const char * 700 xlookup(struct xlat *xlat, int val) 701 { 702 703 return (lookup(xlat, val, 16)); 704 } 705 706 /* 707 * Searches an xlat array containing bitfield values. Remaining bits 708 * set after removing the known ones are printed at the end: 709 * IN|0x400. 710 */ 711 static char * 712 xlookup_bits(struct xlat *xlat, int val) 713 { 714 int len, rem; 715 static char str[512]; 716 717 len = 0; 718 rem = val; 719 for (; xlat->str != NULL; xlat++) { 720 if ((xlat->val & rem) == xlat->val) { 721 /* 722 * Don't print the "all-bits-zero" string unless all 723 * bits are really zero. 724 */ 725 if (xlat->val == 0 && val != 0) 726 continue; 727 len += sprintf(str + len, "%s|", xlat->str); 728 rem &= ~(xlat->val); 729 } 730 } 731 732 /* 733 * If we have leftover bits or didn't match anything, print 734 * the remainder. 735 */ 736 if (rem || len == 0) 737 len += sprintf(str + len, "0x%x", rem); 738 if (len && str[len - 1] == '|') 739 len--; 740 str[len] = 0; 741 return (str); 742 } 743 744 static void 745 print_integer_arg(const char *(*decoder)(int), FILE *fp, int value) 746 { 747 const char *str; 748 749 str = decoder(value); 750 if (str != NULL) 751 fputs(str, fp); 752 else 753 fprintf(fp, "%d", value); 754 } 755 756 static bool 757 print_mask_arg_part(bool (*decoder)(FILE *, int, int *), FILE *fp, int value, 758 int *rem) 759 { 760 761 return (decoder(fp, value, rem)); 762 } 763 764 static void 765 print_mask_arg(bool (*decoder)(FILE *, int, int *), FILE *fp, int value) 766 { 767 int rem; 768 769 if (!print_mask_arg_part(decoder, fp, value, &rem)) 770 fprintf(fp, "0x%x", rem); 771 else if (rem != 0) 772 fprintf(fp, "|0x%x", rem); 773 } 774 775 static void 776 print_mask_arg32(bool (*decoder)(FILE *, uint32_t, uint32_t *), FILE *fp, 777 uint32_t value) 778 { 779 uint32_t rem; 780 781 if (!decoder(fp, value, &rem)) 782 fprintf(fp, "0x%x", rem); 783 else if (rem != 0) 784 fprintf(fp, "|0x%x", rem); 785 } 786 787 /* 788 * Add argument padding to subsequent system calls after Quad 789 * syscall arguments as needed. This used to be done by hand in the 790 * decoded_syscalls table which was ugly and error prone. It is 791 * simpler to do the fixup of offsets at initialization time than when 792 * decoding arguments. 793 */ 794 static void 795 quad_fixup(struct syscall_decode *sc) 796 { 797 int offset, prev; 798 u_int i; 799 800 offset = 0; 801 prev = -1; 802 for (i = 0; i < sc->nargs; i++) { 803 /* This arg type is a dummy that doesn't use offset. */ 804 if ((sc->args[i].type & ARG_MASK) == PipeFds) 805 continue; 806 807 assert(prev < sc->args[i].offset); 808 prev = sc->args[i].offset; 809 sc->args[i].offset += offset; 810 switch (sc->args[i].type & ARG_MASK) { 811 case Quad: 812 case QuadHex: 813 #if defined(__powerpc__) || defined(__arm__) || defined(__aarch64__) 814 /* 815 * 64-bit arguments on 32-bit powerpc and arm must be 816 * 64-bit aligned. If the current offset is 817 * not aligned, the calling convention inserts 818 * a 32-bit pad argument that should be skipped. 819 */ 820 if (sc->args[i].offset % 2 == 1) { 821 sc->args[i].offset++; 822 offset++; 823 } 824 #endif 825 offset++; 826 default: 827 break; 828 } 829 } 830 } 831 832 static struct syscall * 833 find_syscall(struct procabi *abi, u_int number) 834 { 835 struct extra_syscall *es; 836 837 if (number < nitems(abi->syscalls)) 838 return (abi->syscalls[number]); 839 STAILQ_FOREACH(es, &abi->extra_syscalls, entries) { 840 if (es->number == number) 841 return (es->sc); 842 } 843 return (NULL); 844 } 845 846 static void 847 add_syscall(struct procabi *abi, u_int number, struct syscall *sc) 848 { 849 struct extra_syscall *es; 850 851 /* 852 * quad_fixup() is currently needed for all 32-bit ABIs. 853 * TODO: This should probably be a function pointer inside struct 854 * procabi instead. 855 */ 856 if (abi->pointer_size == 4) 857 quad_fixup(&sc->decode); 858 859 if (number < nitems(abi->syscalls)) { 860 assert(abi->syscalls[number] == NULL); 861 abi->syscalls[number] = sc; 862 } else { 863 es = malloc(sizeof(*es)); 864 es->sc = sc; 865 es->number = number; 866 STAILQ_INSERT_TAIL(&abi->extra_syscalls, es, entries); 867 } 868 869 STAILQ_INSERT_HEAD(&seen_syscalls, sc, entries); 870 } 871 872 /* 873 * If/when the list gets big, it might be desirable to do it 874 * as a hash table or binary search. 875 */ 876 struct syscall * 877 get_syscall(struct threadinfo *t, u_int number, u_int nargs) 878 { 879 struct syscall *sc; 880 struct procabi *procabi; 881 const char *sysdecode_name; 882 const char *lookup_name; 883 const char *name; 884 u_int i; 885 886 procabi = t->proc->abi; 887 sc = find_syscall(procabi, number); 888 if (sc != NULL) 889 return (sc); 890 891 /* Memory is not explicitly deallocated, it's released on exit(). */ 892 sysdecode_name = sysdecode_syscallname(procabi->abi, number); 893 if (sysdecode_name == NULL) 894 asprintf(__DECONST(char **, &name), "#%d", number); 895 else 896 name = sysdecode_name; 897 898 sc = calloc(1, sizeof(*sc)); 899 sc->name = name; 900 901 /* Also decode compat syscalls arguments by stripping the prefix. */ 902 lookup_name = name; 903 if (procabi->compat_prefix != NULL && strncmp(procabi->compat_prefix, 904 name, strlen(procabi->compat_prefix)) == 0) 905 lookup_name += strlen(procabi->compat_prefix); 906 907 for (i = 0; i < nitems(decoded_syscalls); i++) { 908 if (strcmp(lookup_name, decoded_syscalls[i].name) == 0) { 909 sc->decode = decoded_syscalls[i]; 910 add_syscall(t->proc->abi, number, sc); 911 return (sc); 912 } 913 } 914 915 /* It is unknown. Add it into the list. */ 916 #if DEBUG 917 fprintf(stderr, "unknown syscall %s -- setting args to %d\n", name, 918 nargs); 919 #endif 920 sc->unknown = sysdecode_name == NULL; 921 sc->decode.ret_type = 1; /* Assume 1 return value. */ 922 sc->decode.nargs = nargs; 923 for (i = 0; i < nargs; i++) { 924 sc->decode.args[i].offset = i; 925 /* Treat all unknown arguments as LongHex. */ 926 sc->decode.args[i].type = LongHex; 927 } 928 add_syscall(t->proc->abi, number, sc); 929 return (sc); 930 } 931 932 /* 933 * Copy a fixed amount of bytes from the process. 934 */ 935 static int 936 get_struct(pid_t pid, psaddr_t offset, void *buf, size_t len) 937 { 938 struct ptrace_io_desc iorequest; 939 940 iorequest.piod_op = PIOD_READ_D; 941 iorequest.piod_offs = (void *)(uintptr_t)offset; 942 iorequest.piod_addr = buf; 943 iorequest.piod_len = len; 944 if (ptrace(PT_IO, pid, (caddr_t)&iorequest, 0) < 0) 945 return (-1); 946 return (0); 947 } 948 949 #define MAXSIZE 4096 950 951 /* 952 * Copy a string from the process. Note that it is 953 * expected to be a C string, but if max is set, it will 954 * only get that much. 955 */ 956 static char * 957 get_string(pid_t pid, psaddr_t addr, int max) 958 { 959 struct ptrace_io_desc iorequest; 960 char *buf, *nbuf; 961 size_t offset, size, totalsize; 962 963 offset = 0; 964 if (max) 965 size = max + 1; 966 else { 967 /* Read up to the end of the current page. */ 968 size = PAGE_SIZE - (addr % PAGE_SIZE); 969 if (size > MAXSIZE) 970 size = MAXSIZE; 971 } 972 totalsize = size; 973 buf = malloc(totalsize); 974 if (buf == NULL) 975 return (NULL); 976 for (;;) { 977 iorequest.piod_op = PIOD_READ_D; 978 iorequest.piod_offs = (void *)((uintptr_t)addr + offset); 979 iorequest.piod_addr = buf + offset; 980 iorequest.piod_len = size; 981 if (ptrace(PT_IO, pid, (caddr_t)&iorequest, 0) < 0) { 982 free(buf); 983 return (NULL); 984 } 985 if (memchr(buf + offset, '\0', size) != NULL) 986 return (buf); 987 offset += size; 988 if (totalsize < MAXSIZE && max == 0) { 989 size = MAXSIZE - totalsize; 990 if (size > PAGE_SIZE) 991 size = PAGE_SIZE; 992 nbuf = realloc(buf, totalsize + size); 993 if (nbuf == NULL) { 994 buf[totalsize - 1] = '\0'; 995 return (buf); 996 } 997 buf = nbuf; 998 totalsize += size; 999 } else { 1000 buf[totalsize - 1] = '\0'; 1001 return (buf); 1002 } 1003 } 1004 } 1005 1006 static const char * 1007 strsig2(int sig) 1008 { 1009 static char tmp[32]; 1010 const char *signame; 1011 1012 signame = sysdecode_signal(sig); 1013 if (signame == NULL) { 1014 snprintf(tmp, sizeof(tmp), "%d", sig); 1015 signame = tmp; 1016 } 1017 return (signame); 1018 } 1019 1020 static void 1021 print_kevent(FILE *fp, struct kevent *ke) 1022 { 1023 1024 switch (ke->filter) { 1025 case EVFILT_READ: 1026 case EVFILT_WRITE: 1027 case EVFILT_VNODE: 1028 case EVFILT_PROC: 1029 case EVFILT_TIMER: 1030 case EVFILT_PROCDESC: 1031 case EVFILT_EMPTY: 1032 fprintf(fp, "%ju", (uintmax_t)ke->ident); 1033 break; 1034 case EVFILT_SIGNAL: 1035 fputs(strsig2(ke->ident), fp); 1036 break; 1037 default: 1038 fprintf(fp, "%p", (void *)ke->ident); 1039 } 1040 fprintf(fp, ","); 1041 print_integer_arg(sysdecode_kevent_filter, fp, ke->filter); 1042 fprintf(fp, ","); 1043 print_mask_arg(sysdecode_kevent_flags, fp, ke->flags); 1044 fprintf(fp, ","); 1045 sysdecode_kevent_fflags(fp, ke->filter, ke->fflags, 16); 1046 fprintf(fp, ",%#jx,%p", (uintmax_t)ke->data, ke->udata); 1047 } 1048 1049 static void 1050 print_utrace(FILE *fp, void *utrace_addr, size_t len) 1051 { 1052 unsigned char *utrace_buffer; 1053 1054 fprintf(fp, "{ "); 1055 if (sysdecode_utrace(fp, utrace_addr, len)) { 1056 fprintf(fp, " }"); 1057 return; 1058 } 1059 1060 utrace_buffer = utrace_addr; 1061 fprintf(fp, "%zu:", len); 1062 while (len--) 1063 fprintf(fp, " %02x", *utrace_buffer++); 1064 fprintf(fp, " }"); 1065 } 1066 1067 static void 1068 print_pointer(FILE *fp, uintptr_t arg) 1069 { 1070 1071 fprintf(fp, "%p", (void *)arg); 1072 } 1073 1074 static void 1075 print_sockaddr(FILE *fp, struct trussinfo *trussinfo, uintptr_t arg, 1076 socklen_t len) 1077 { 1078 char addr[64]; 1079 struct sockaddr_in *lsin; 1080 struct sockaddr_in6 *lsin6; 1081 struct sockaddr_un *sun; 1082 struct sockaddr *sa; 1083 u_char *q; 1084 pid_t pid = trussinfo->curthread->proc->pid; 1085 1086 if (arg == 0) { 1087 fputs("NULL", fp); 1088 return; 1089 } 1090 /* If the length is too small, just bail. */ 1091 if (len < sizeof(*sa)) { 1092 print_pointer(fp, arg); 1093 return; 1094 } 1095 1096 sa = calloc(1, len); 1097 if (get_struct(pid, arg, sa, len) == -1) { 1098 free(sa); 1099 print_pointer(fp, arg); 1100 return; 1101 } 1102 1103 switch (sa->sa_family) { 1104 case AF_INET: 1105 if (len < sizeof(*lsin)) 1106 goto sockaddr_short; 1107 lsin = (struct sockaddr_in *)(void *)sa; 1108 inet_ntop(AF_INET, &lsin->sin_addr, addr, sizeof(addr)); 1109 fprintf(fp, "{ AF_INET %s:%d }", addr, 1110 htons(lsin->sin_port)); 1111 break; 1112 case AF_INET6: 1113 if (len < sizeof(*lsin6)) 1114 goto sockaddr_short; 1115 lsin6 = (struct sockaddr_in6 *)(void *)sa; 1116 inet_ntop(AF_INET6, &lsin6->sin6_addr, addr, 1117 sizeof(addr)); 1118 fprintf(fp, "{ AF_INET6 [%s]:%d }", addr, 1119 htons(lsin6->sin6_port)); 1120 break; 1121 case AF_UNIX: 1122 sun = (struct sockaddr_un *)sa; 1123 fprintf(fp, "{ AF_UNIX \"%.*s\" }", 1124 (int)(len - offsetof(struct sockaddr_un, sun_path)), 1125 sun->sun_path); 1126 break; 1127 default: 1128 sockaddr_short: 1129 fprintf(fp, 1130 "{ sa_len = %d, sa_family = %d, sa_data = {", 1131 (int)sa->sa_len, (int)sa->sa_family); 1132 for (q = (u_char *)sa->sa_data; 1133 q < (u_char *)sa + len; q++) 1134 fprintf(fp, "%s 0x%02x", 1135 q == (u_char *)sa->sa_data ? "" : ",", 1136 *q); 1137 fputs(" } }", fp); 1138 } 1139 free(sa); 1140 } 1141 1142 #define IOV_LIMIT 16 1143 1144 static void 1145 print_iovec(FILE *fp, struct trussinfo *trussinfo, uintptr_t arg, int iovcnt) 1146 { 1147 struct iovec iov[IOV_LIMIT]; 1148 size_t max_string = trussinfo->strsize; 1149 char tmp2[max_string + 1], *tmp3; 1150 size_t len; 1151 pid_t pid = trussinfo->curthread->proc->pid; 1152 int i; 1153 bool buf_truncated, iov_truncated; 1154 1155 if (iovcnt <= 0) { 1156 print_pointer(fp, arg); 1157 return; 1158 } 1159 if (iovcnt > IOV_LIMIT) { 1160 iovcnt = IOV_LIMIT; 1161 iov_truncated = true; 1162 } else { 1163 iov_truncated = false; 1164 } 1165 if (get_struct(pid, arg, &iov, iovcnt * sizeof(struct iovec)) == -1) { 1166 print_pointer(fp, arg); 1167 return; 1168 } 1169 1170 fputs("[", fp); 1171 for (i = 0; i < iovcnt; i++) { 1172 len = iov[i].iov_len; 1173 if (len > max_string) { 1174 len = max_string; 1175 buf_truncated = true; 1176 } else { 1177 buf_truncated = false; 1178 } 1179 fprintf(fp, "%s{", (i > 0) ? "," : ""); 1180 if (len && get_struct(pid, (uintptr_t)iov[i].iov_base, &tmp2, len) != -1) { 1181 tmp3 = malloc(len * 4 + 1); 1182 while (len) { 1183 if (strvisx(tmp3, tmp2, len, 1184 VIS_CSTYLE|VIS_TAB|VIS_NL) <= 1185 (int)max_string) 1186 break; 1187 len--; 1188 buf_truncated = true; 1189 } 1190 fprintf(fp, "\"%s\"%s", tmp3, 1191 buf_truncated ? "..." : ""); 1192 free(tmp3); 1193 } else { 1194 print_pointer(fp, (uintptr_t)iov[i].iov_base); 1195 } 1196 fprintf(fp, ",%zu}", iov[i].iov_len); 1197 } 1198 fprintf(fp, "%s%s", iov_truncated ? ",..." : "", "]"); 1199 } 1200 1201 static void 1202 print_sigval(FILE *fp, union sigval *sv) 1203 { 1204 fprintf(fp, "{ %d, %p }", sv->sival_int, sv->sival_ptr); 1205 } 1206 1207 static void 1208 print_sigevent(FILE *fp, struct sigevent *se) 1209 { 1210 fputs("{ sigev_notify=", fp); 1211 switch (se->sigev_notify) { 1212 case SIGEV_NONE: 1213 fputs("SIGEV_NONE", fp); 1214 break; 1215 case SIGEV_SIGNAL: 1216 fprintf(fp, "SIGEV_SIGNAL, sigev_signo=%s, sigev_value=", 1217 strsig2(se->sigev_signo)); 1218 print_sigval(fp, &se->sigev_value); 1219 break; 1220 case SIGEV_THREAD: 1221 fputs("SIGEV_THREAD, sigev_value=", fp); 1222 print_sigval(fp, &se->sigev_value); 1223 break; 1224 case SIGEV_KEVENT: 1225 fprintf(fp, "SIGEV_KEVENT, sigev_notify_kqueue=%d, sigev_notify_kevent_flags=", 1226 se->sigev_notify_kqueue); 1227 print_mask_arg(sysdecode_kevent_flags, fp, se->sigev_notify_kevent_flags); 1228 break; 1229 case SIGEV_THREAD_ID: 1230 fprintf(fp, "SIGEV_THREAD_ID, sigev_notify_thread_id=%d, sigev_signo=%s, sigev_value=", 1231 se->sigev_notify_thread_id, strsig2(se->sigev_signo)); 1232 print_sigval(fp, &se->sigev_value); 1233 break; 1234 default: 1235 fprintf(fp, "%d", se->sigev_notify); 1236 break; 1237 } 1238 fputs(" }", fp); 1239 } 1240 1241 static void 1242 print_aiocb(FILE *fp, struct aiocb *cb) 1243 { 1244 fprintf(fp, "{ %d,%jd,%p,%zu,%s,", 1245 cb->aio_fildes, 1246 cb->aio_offset, 1247 cb->aio_buf, 1248 cb->aio_nbytes, 1249 xlookup(lio_opcodes, cb->aio_lio_opcode)); 1250 print_sigevent(fp, &cb->aio_sigevent); 1251 fputs(" }", fp); 1252 } 1253 1254 static void 1255 print_gen_cmsg(FILE *fp, struct cmsghdr *cmsghdr) 1256 { 1257 u_char *q; 1258 1259 fputs("{", fp); 1260 for (q = CMSG_DATA(cmsghdr); 1261 q < (u_char *)cmsghdr + cmsghdr->cmsg_len; q++) { 1262 fprintf(fp, "%s0x%02x", q == CMSG_DATA(cmsghdr) ? "" : ",", *q); 1263 } 1264 fputs("}", fp); 1265 } 1266 1267 static void 1268 print_sctp_initmsg(FILE *fp, struct sctp_initmsg *init) 1269 { 1270 fprintf(fp, "{out=%u,", init->sinit_num_ostreams); 1271 fprintf(fp, "in=%u,", init->sinit_max_instreams); 1272 fprintf(fp, "max_rtx=%u,", init->sinit_max_attempts); 1273 fprintf(fp, "max_rto=%u}", init->sinit_max_init_timeo); 1274 } 1275 1276 static void 1277 print_sctp_sndrcvinfo(FILE *fp, bool receive, struct sctp_sndrcvinfo *info) 1278 { 1279 fprintf(fp, "{sid=%u,", info->sinfo_stream); 1280 if (receive) { 1281 fprintf(fp, "ssn=%u,", info->sinfo_ssn); 1282 } 1283 fputs("flgs=", fp); 1284 sysdecode_sctp_sinfo_flags(fp, info->sinfo_flags); 1285 fprintf(fp, ",ppid=%u,", ntohl(info->sinfo_ppid)); 1286 if (!receive) { 1287 fprintf(fp, "ctx=%u,", info->sinfo_context); 1288 fprintf(fp, "ttl=%u,", info->sinfo_timetolive); 1289 } 1290 if (receive) { 1291 fprintf(fp, "tsn=%u,", info->sinfo_tsn); 1292 fprintf(fp, "cumtsn=%u,", info->sinfo_cumtsn); 1293 } 1294 fprintf(fp, "id=%u}", info->sinfo_assoc_id); 1295 } 1296 1297 static void 1298 print_sctp_sndinfo(FILE *fp, struct sctp_sndinfo *info) 1299 { 1300 fprintf(fp, "{sid=%u,", info->snd_sid); 1301 fputs("flgs=", fp); 1302 print_mask_arg(sysdecode_sctp_snd_flags, fp, info->snd_flags); 1303 fprintf(fp, ",ppid=%u,", ntohl(info->snd_ppid)); 1304 fprintf(fp, "ctx=%u,", info->snd_context); 1305 fprintf(fp, "id=%u}", info->snd_assoc_id); 1306 } 1307 1308 static void 1309 print_sctp_rcvinfo(FILE *fp, struct sctp_rcvinfo *info) 1310 { 1311 fprintf(fp, "{sid=%u,", info->rcv_sid); 1312 fprintf(fp, "ssn=%u,", info->rcv_ssn); 1313 fputs("flgs=", fp); 1314 print_mask_arg(sysdecode_sctp_rcv_flags, fp, info->rcv_flags); 1315 fprintf(fp, ",ppid=%u,", ntohl(info->rcv_ppid)); 1316 fprintf(fp, "tsn=%u,", info->rcv_tsn); 1317 fprintf(fp, "cumtsn=%u,", info->rcv_cumtsn); 1318 fprintf(fp, "ctx=%u,", info->rcv_context); 1319 fprintf(fp, "id=%u}", info->rcv_assoc_id); 1320 } 1321 1322 static void 1323 print_sctp_nxtinfo(FILE *fp, struct sctp_nxtinfo *info) 1324 { 1325 fprintf(fp, "{sid=%u,", info->nxt_sid); 1326 fputs("flgs=", fp); 1327 print_mask_arg(sysdecode_sctp_nxt_flags, fp, info->nxt_flags); 1328 fprintf(fp, ",ppid=%u,", ntohl(info->nxt_ppid)); 1329 fprintf(fp, "len=%u,", info->nxt_length); 1330 fprintf(fp, "id=%u}", info->nxt_assoc_id); 1331 } 1332 1333 static void 1334 print_sctp_prinfo(FILE *fp, struct sctp_prinfo *info) 1335 { 1336 fputs("{pol=", fp); 1337 print_integer_arg(sysdecode_sctp_pr_policy, fp, info->pr_policy); 1338 fprintf(fp, ",val=%u}", info->pr_value); 1339 } 1340 1341 static void 1342 print_sctp_authinfo(FILE *fp, struct sctp_authinfo *info) 1343 { 1344 fprintf(fp, "{num=%u}", info->auth_keynumber); 1345 } 1346 1347 static void 1348 print_sctp_ipv4_addr(FILE *fp, struct in_addr *addr) 1349 { 1350 char buf[INET_ADDRSTRLEN]; 1351 const char *s; 1352 1353 s = inet_ntop(AF_INET, addr, buf, INET_ADDRSTRLEN); 1354 if (s != NULL) 1355 fprintf(fp, "{addr=%s}", s); 1356 else 1357 fputs("{addr=???}", fp); 1358 } 1359 1360 static void 1361 print_sctp_ipv6_addr(FILE *fp, struct in6_addr *addr) 1362 { 1363 char buf[INET6_ADDRSTRLEN]; 1364 const char *s; 1365 1366 s = inet_ntop(AF_INET6, addr, buf, INET6_ADDRSTRLEN); 1367 if (s != NULL) 1368 fprintf(fp, "{addr=%s}", s); 1369 else 1370 fputs("{addr=???}", fp); 1371 } 1372 1373 static void 1374 print_sctp_cmsg(FILE *fp, bool receive, struct cmsghdr *cmsghdr) 1375 { 1376 void *data; 1377 socklen_t len; 1378 1379 len = cmsghdr->cmsg_len; 1380 data = CMSG_DATA(cmsghdr); 1381 switch (cmsghdr->cmsg_type) { 1382 case SCTP_INIT: 1383 if (len == CMSG_LEN(sizeof(struct sctp_initmsg))) 1384 print_sctp_initmsg(fp, (struct sctp_initmsg *)data); 1385 else 1386 print_gen_cmsg(fp, cmsghdr); 1387 break; 1388 case SCTP_SNDRCV: 1389 if (len == CMSG_LEN(sizeof(struct sctp_sndrcvinfo))) 1390 print_sctp_sndrcvinfo(fp, receive, 1391 (struct sctp_sndrcvinfo *)data); 1392 else 1393 print_gen_cmsg(fp, cmsghdr); 1394 break; 1395 #if 0 1396 case SCTP_EXTRCV: 1397 if (len == CMSG_LEN(sizeof(struct sctp_extrcvinfo))) 1398 print_sctp_extrcvinfo(fp, 1399 (struct sctp_extrcvinfo *)data); 1400 else 1401 print_gen_cmsg(fp, cmsghdr); 1402 break; 1403 #endif 1404 case SCTP_SNDINFO: 1405 if (len == CMSG_LEN(sizeof(struct sctp_sndinfo))) 1406 print_sctp_sndinfo(fp, (struct sctp_sndinfo *)data); 1407 else 1408 print_gen_cmsg(fp, cmsghdr); 1409 break; 1410 case SCTP_RCVINFO: 1411 if (len == CMSG_LEN(sizeof(struct sctp_rcvinfo))) 1412 print_sctp_rcvinfo(fp, (struct sctp_rcvinfo *)data); 1413 else 1414 print_gen_cmsg(fp, cmsghdr); 1415 break; 1416 case SCTP_NXTINFO: 1417 if (len == CMSG_LEN(sizeof(struct sctp_nxtinfo))) 1418 print_sctp_nxtinfo(fp, (struct sctp_nxtinfo *)data); 1419 else 1420 print_gen_cmsg(fp, cmsghdr); 1421 break; 1422 case SCTP_PRINFO: 1423 if (len == CMSG_LEN(sizeof(struct sctp_prinfo))) 1424 print_sctp_prinfo(fp, (struct sctp_prinfo *)data); 1425 else 1426 print_gen_cmsg(fp, cmsghdr); 1427 break; 1428 case SCTP_AUTHINFO: 1429 if (len == CMSG_LEN(sizeof(struct sctp_authinfo))) 1430 print_sctp_authinfo(fp, (struct sctp_authinfo *)data); 1431 else 1432 print_gen_cmsg(fp, cmsghdr); 1433 break; 1434 case SCTP_DSTADDRV4: 1435 if (len == CMSG_LEN(sizeof(struct in_addr))) 1436 print_sctp_ipv4_addr(fp, (struct in_addr *)data); 1437 else 1438 print_gen_cmsg(fp, cmsghdr); 1439 break; 1440 case SCTP_DSTADDRV6: 1441 if (len == CMSG_LEN(sizeof(struct in6_addr))) 1442 print_sctp_ipv6_addr(fp, (struct in6_addr *)data); 1443 else 1444 print_gen_cmsg(fp, cmsghdr); 1445 break; 1446 default: 1447 print_gen_cmsg(fp, cmsghdr); 1448 } 1449 } 1450 1451 static void 1452 print_cmsgs(FILE *fp, pid_t pid, bool receive, struct msghdr *msghdr) 1453 { 1454 struct cmsghdr *cmsghdr; 1455 char *cmsgbuf; 1456 const char *temp; 1457 socklen_t len; 1458 int level, type; 1459 bool first; 1460 1461 len = msghdr->msg_controllen; 1462 if (len == 0) { 1463 fputs("{}", fp); 1464 return; 1465 } 1466 cmsgbuf = calloc(1, len); 1467 if (get_struct(pid, (uintptr_t)msghdr->msg_control, cmsgbuf, len) == -1) { 1468 print_pointer(fp, (uintptr_t)msghdr->msg_control); 1469 free(cmsgbuf); 1470 return; 1471 } 1472 msghdr->msg_control = cmsgbuf; 1473 first = true; 1474 fputs("{", fp); 1475 for (cmsghdr = CMSG_FIRSTHDR(msghdr); 1476 cmsghdr != NULL; 1477 cmsghdr = CMSG_NXTHDR(msghdr, cmsghdr)) { 1478 level = cmsghdr->cmsg_level; 1479 type = cmsghdr->cmsg_type; 1480 len = cmsghdr->cmsg_len; 1481 fprintf(fp, "%s{level=", first ? "" : ","); 1482 print_integer_arg(sysdecode_sockopt_level, fp, level); 1483 fputs(",type=", fp); 1484 temp = sysdecode_cmsg_type(level, type); 1485 if (temp) { 1486 fputs(temp, fp); 1487 } else { 1488 fprintf(fp, "%d", type); 1489 } 1490 fputs(",data=", fp); 1491 switch (level) { 1492 case IPPROTO_SCTP: 1493 print_sctp_cmsg(fp, receive, cmsghdr); 1494 break; 1495 default: 1496 print_gen_cmsg(fp, cmsghdr); 1497 break; 1498 } 1499 fputs("}", fp); 1500 first = false; 1501 } 1502 fputs("}", fp); 1503 free(cmsgbuf); 1504 } 1505 1506 static void 1507 print_sysctl_oid(FILE *fp, int *oid, size_t len) 1508 { 1509 size_t i; 1510 bool first; 1511 1512 first = true; 1513 fprintf(fp, "{ "); 1514 for (i = 0; i < len; i++) { 1515 fprintf(fp, "%s%d", first ? "" : ".", oid[i]); 1516 first = false; 1517 } 1518 fprintf(fp, " }"); 1519 } 1520 1521 static void 1522 print_sysctl(FILE *fp, int *oid, size_t len) 1523 { 1524 char name[BUFSIZ]; 1525 int qoid[CTL_MAXNAME + 2]; 1526 size_t i; 1527 1528 qoid[0] = CTL_SYSCTL; 1529 qoid[1] = CTL_SYSCTL_NAME; 1530 memcpy(qoid + 2, oid, len * sizeof(int)); 1531 i = sizeof(name); 1532 if (sysctl(qoid, len + 2, name, &i, 0, 0) == -1) 1533 print_sysctl_oid(fp, oid, len); 1534 else 1535 fprintf(fp, "%s", name); 1536 } 1537 1538 /* 1539 * Convert a 32-bit user-space pointer to psaddr_t. Currently, this 1540 * sign-extends on MIPS and zero-extends on all other architectures. 1541 */ 1542 static psaddr_t 1543 user_ptr32_to_psaddr(int32_t user_pointer) 1544 { 1545 #if defined(__mips__) 1546 return ((psaddr_t)(intptr_t)user_pointer); 1547 #else 1548 return ((psaddr_t)(uintptr_t)user_pointer); 1549 #endif 1550 } 1551 1552 /* 1553 * Converts a syscall argument into a string. Said string is 1554 * allocated via malloc(), so needs to be free()'d. sc is 1555 * a pointer to the syscall description (see above); args is 1556 * an array of all of the system call arguments. 1557 */ 1558 char * 1559 print_arg(struct syscall_arg *sc, unsigned long *args, register_t *retval, 1560 struct trussinfo *trussinfo) 1561 { 1562 FILE *fp; 1563 char *tmp; 1564 size_t tmplen; 1565 pid_t pid; 1566 1567 fp = open_memstream(&tmp, &tmplen); 1568 pid = trussinfo->curthread->proc->pid; 1569 switch (sc->type & ARG_MASK) { 1570 case Hex: 1571 fprintf(fp, "0x%x", (int)args[sc->offset]); 1572 break; 1573 case Octal: 1574 fprintf(fp, "0%o", (int)args[sc->offset]); 1575 break; 1576 case Int: 1577 fprintf(fp, "%d", (int)args[sc->offset]); 1578 break; 1579 case UInt: 1580 fprintf(fp, "%u", (unsigned int)args[sc->offset]); 1581 break; 1582 case PUInt: { 1583 unsigned int val; 1584 1585 if (get_struct(pid, args[sc->offset], &val, 1586 sizeof(val)) == 0) 1587 fprintf(fp, "{ %u }", val); 1588 else 1589 print_pointer(fp, args[sc->offset]); 1590 break; 1591 } 1592 case LongHex: 1593 fprintf(fp, "0x%lx", args[sc->offset]); 1594 break; 1595 case Long: 1596 fprintf(fp, "%ld", args[sc->offset]); 1597 break; 1598 case Sizet: 1599 fprintf(fp, "%zu", (size_t)args[sc->offset]); 1600 break; 1601 case ShmName: 1602 /* Handle special SHM_ANON value. */ 1603 if ((char *)(uintptr_t)args[sc->offset] == SHM_ANON) { 1604 fprintf(fp, "SHM_ANON"); 1605 break; 1606 } 1607 /* FALLTHROUGH */ 1608 case Name: { 1609 /* NULL-terminated string. */ 1610 char *tmp2; 1611 1612 tmp2 = get_string(pid, args[sc->offset], 0); 1613 fprintf(fp, "\"%s\"", tmp2); 1614 free(tmp2); 1615 break; 1616 } 1617 case BinString: { 1618 /* 1619 * Binary block of data that might have printable characters. 1620 * XXX If type|OUT, assume that the length is the syscall's 1621 * return value. Otherwise, assume that the length of the block 1622 * is in the next syscall argument. 1623 */ 1624 int max_string = trussinfo->strsize; 1625 char tmp2[max_string + 1], *tmp3; 1626 int len; 1627 int truncated = 0; 1628 1629 if (sc->type & OUT) 1630 len = retval[0]; 1631 else 1632 len = args[sc->offset + 1]; 1633 1634 /* 1635 * Don't print more than max_string characters, to avoid word 1636 * wrap. If we have to truncate put some ... after the string. 1637 */ 1638 if (len > max_string) { 1639 len = max_string; 1640 truncated = 1; 1641 } 1642 if (len && get_struct(pid, args[sc->offset], &tmp2, len) 1643 != -1) { 1644 tmp3 = malloc(len * 4 + 1); 1645 while (len) { 1646 if (strvisx(tmp3, tmp2, len, 1647 VIS_CSTYLE|VIS_TAB|VIS_NL) <= max_string) 1648 break; 1649 len--; 1650 truncated = 1; 1651 } 1652 fprintf(fp, "\"%s\"%s", tmp3, truncated ? 1653 "..." : ""); 1654 free(tmp3); 1655 } else { 1656 print_pointer(fp, args[sc->offset]); 1657 } 1658 break; 1659 } 1660 case ExecArgs: 1661 case ExecEnv: 1662 case StringArray: { 1663 psaddr_t addr; 1664 union { 1665 int32_t strarray32[PAGE_SIZE / sizeof(int32_t)]; 1666 int64_t strarray64[PAGE_SIZE / sizeof(int64_t)]; 1667 char buf[PAGE_SIZE]; 1668 } u; 1669 char *string; 1670 size_t len; 1671 u_int first, i; 1672 size_t pointer_size = 1673 trussinfo->curthread->proc->abi->pointer_size; 1674 1675 /* 1676 * Only parse argv[] and environment arrays from exec calls 1677 * if requested. 1678 */ 1679 if (((sc->type & ARG_MASK) == ExecArgs && 1680 (trussinfo->flags & EXECVEARGS) == 0) || 1681 ((sc->type & ARG_MASK) == ExecEnv && 1682 (trussinfo->flags & EXECVEENVS) == 0)) { 1683 print_pointer(fp, args[sc->offset]); 1684 break; 1685 } 1686 1687 /* 1688 * Read a page of pointers at a time. Punt if the top-level 1689 * pointer is not aligned. Note that the first read is of 1690 * a partial page. 1691 */ 1692 addr = args[sc->offset]; 1693 if (!__is_aligned(addr, pointer_size)) { 1694 print_pointer(fp, args[sc->offset]); 1695 break; 1696 } 1697 1698 len = PAGE_SIZE - (addr & PAGE_MASK); 1699 if (get_struct(pid, addr, u.buf, len) == -1) { 1700 print_pointer(fp, args[sc->offset]); 1701 break; 1702 } 1703 assert(len > 0); 1704 1705 fputc('[', fp); 1706 first = 1; 1707 i = 0; 1708 for (;;) { 1709 psaddr_t straddr; 1710 if (pointer_size == 4) { 1711 straddr = user_ptr32_to_psaddr(u.strarray32[i]); 1712 } else if (pointer_size == 8) { 1713 straddr = (psaddr_t)u.strarray64[i]; 1714 } else { 1715 errx(1, "Unsupported pointer size: %zu", 1716 pointer_size); 1717 } 1718 1719 /* Stop once we read the first NULL pointer. */ 1720 if (straddr == 0) 1721 break; 1722 string = get_string(pid, straddr, 0); 1723 fprintf(fp, "%s \"%s\"", first ? "" : ",", string); 1724 free(string); 1725 first = 0; 1726 1727 i++; 1728 if (i == len / pointer_size) { 1729 addr += len; 1730 len = PAGE_SIZE; 1731 if (get_struct(pid, addr, u.buf, len) == -1) { 1732 fprintf(fp, ", <inval>"); 1733 break; 1734 } 1735 i = 0; 1736 } 1737 } 1738 fputs(" ]", fp); 1739 break; 1740 } 1741 case Quad: 1742 case QuadHex: { 1743 uint64_t value; 1744 size_t pointer_size = 1745 trussinfo->curthread->proc->abi->pointer_size; 1746 1747 if (pointer_size == 4) { 1748 #if _BYTE_ORDER == _LITTLE_ENDIAN 1749 value = (uint64_t)args[sc->offset + 1] << 32 | 1750 args[sc->offset]; 1751 #else 1752 value = (uint64_t)args[sc->offset] << 32 | 1753 args[sc->offset + 1]; 1754 #endif 1755 } else { 1756 value = (uint64_t)args[sc->offset]; 1757 } 1758 if ((sc->type & ARG_MASK) == Quad) 1759 fprintf(fp, "%jd", (intmax_t)value); 1760 else 1761 fprintf(fp, "0x%jx", (intmax_t)value); 1762 break; 1763 } 1764 case PQuadHex: { 1765 uint64_t val; 1766 1767 if (get_struct(pid, args[sc->offset], &val, 1768 sizeof(val)) == 0) 1769 fprintf(fp, "{ 0x%jx }", (uintmax_t)val); 1770 else 1771 print_pointer(fp, args[sc->offset]); 1772 break; 1773 } 1774 case Ptr: 1775 print_pointer(fp, args[sc->offset]); 1776 break; 1777 case Readlinkres: { 1778 char *tmp2; 1779 1780 if (retval[0] == -1) 1781 break; 1782 tmp2 = get_string(pid, args[sc->offset], retval[0]); 1783 fprintf(fp, "\"%s\"", tmp2); 1784 free(tmp2); 1785 break; 1786 } 1787 case Ioctl: { 1788 const char *temp; 1789 unsigned long cmd; 1790 1791 cmd = args[sc->offset]; 1792 temp = sysdecode_ioctlname(cmd); 1793 if (temp) 1794 fputs(temp, fp); 1795 else { 1796 fprintf(fp, "0x%lx { IO%s%s 0x%lx('%c'), %lu, %lu }", 1797 cmd, cmd & IOC_OUT ? "R" : "", 1798 cmd & IOC_IN ? "W" : "", IOCGROUP(cmd), 1799 isprint(IOCGROUP(cmd)) ? (char)IOCGROUP(cmd) : '?', 1800 cmd & 0xFF, IOCPARM_LEN(cmd)); 1801 } 1802 break; 1803 } 1804 case Timespec: { 1805 struct timespec ts; 1806 1807 if (get_struct(pid, args[sc->offset], &ts, sizeof(ts)) != -1) 1808 fprintf(fp, "{ %jd.%09ld }", (intmax_t)ts.tv_sec, 1809 ts.tv_nsec); 1810 else 1811 print_pointer(fp, args[sc->offset]); 1812 break; 1813 } 1814 case Timespec2: { 1815 struct timespec ts[2]; 1816 const char *sep; 1817 unsigned int i; 1818 1819 if (get_struct(pid, args[sc->offset], &ts, sizeof(ts)) != -1) { 1820 fputs("{ ", fp); 1821 sep = ""; 1822 for (i = 0; i < nitems(ts); i++) { 1823 fputs(sep, fp); 1824 sep = ", "; 1825 switch (ts[i].tv_nsec) { 1826 case UTIME_NOW: 1827 fprintf(fp, "UTIME_NOW"); 1828 break; 1829 case UTIME_OMIT: 1830 fprintf(fp, "UTIME_OMIT"); 1831 break; 1832 default: 1833 fprintf(fp, "%jd.%09ld", 1834 (intmax_t)ts[i].tv_sec, 1835 ts[i].tv_nsec); 1836 break; 1837 } 1838 } 1839 fputs(" }", fp); 1840 } else 1841 print_pointer(fp, args[sc->offset]); 1842 break; 1843 } 1844 case Timeval: { 1845 struct timeval tv; 1846 1847 if (get_struct(pid, args[sc->offset], &tv, sizeof(tv)) != -1) 1848 fprintf(fp, "{ %jd.%06ld }", (intmax_t)tv.tv_sec, 1849 tv.tv_usec); 1850 else 1851 print_pointer(fp, args[sc->offset]); 1852 break; 1853 } 1854 case Timeval2: { 1855 struct timeval tv[2]; 1856 1857 if (get_struct(pid, args[sc->offset], &tv, sizeof(tv)) != -1) 1858 fprintf(fp, "{ %jd.%06ld, %jd.%06ld }", 1859 (intmax_t)tv[0].tv_sec, tv[0].tv_usec, 1860 (intmax_t)tv[1].tv_sec, tv[1].tv_usec); 1861 else 1862 print_pointer(fp, args[sc->offset]); 1863 break; 1864 } 1865 case Itimerval: { 1866 struct itimerval itv; 1867 1868 if (get_struct(pid, args[sc->offset], &itv, sizeof(itv)) != -1) 1869 fprintf(fp, "{ %jd.%06ld, %jd.%06ld }", 1870 (intmax_t)itv.it_interval.tv_sec, 1871 itv.it_interval.tv_usec, 1872 (intmax_t)itv.it_value.tv_sec, 1873 itv.it_value.tv_usec); 1874 else 1875 print_pointer(fp, args[sc->offset]); 1876 break; 1877 } 1878 case LinuxSockArgs: 1879 { 1880 struct linux_socketcall_args largs; 1881 1882 if (get_struct(pid, args[sc->offset], (void *)&largs, 1883 sizeof(largs)) != -1) 1884 fprintf(fp, "{ %s, 0x%lx }", 1885 lookup(linux_socketcall_ops, largs.what, 10), 1886 (long unsigned int)largs.args); 1887 else 1888 print_pointer(fp, args[sc->offset]); 1889 break; 1890 } 1891 case Pollfd: { 1892 /* 1893 * XXX: A Pollfd argument expects the /next/ syscall argument 1894 * to be the number of fds in the array. This matches the poll 1895 * syscall. 1896 */ 1897 struct pollfd *pfd; 1898 int numfds = args[sc->offset + 1]; 1899 size_t bytes = sizeof(struct pollfd) * numfds; 1900 int i; 1901 1902 if ((pfd = malloc(bytes)) == NULL) 1903 err(1, "Cannot malloc %zu bytes for pollfd array", 1904 bytes); 1905 if (get_struct(pid, args[sc->offset], pfd, bytes) != -1) { 1906 fputs("{", fp); 1907 for (i = 0; i < numfds; i++) { 1908 fprintf(fp, " %d/%s", pfd[i].fd, 1909 xlookup_bits(poll_flags, pfd[i].events)); 1910 } 1911 fputs(" }", fp); 1912 } else { 1913 print_pointer(fp, args[sc->offset]); 1914 } 1915 free(pfd); 1916 break; 1917 } 1918 case Fd_set: { 1919 /* 1920 * XXX: A Fd_set argument expects the /first/ syscall argument 1921 * to be the number of fds in the array. This matches the 1922 * select syscall. 1923 */ 1924 fd_set *fds; 1925 int numfds = args[0]; 1926 size_t bytes = _howmany(numfds, _NFDBITS) * _NFDBITS; 1927 int i; 1928 1929 if ((fds = malloc(bytes)) == NULL) 1930 err(1, "Cannot malloc %zu bytes for fd_set array", 1931 bytes); 1932 if (get_struct(pid, args[sc->offset], fds, bytes) != -1) { 1933 fputs("{", fp); 1934 for (i = 0; i < numfds; i++) { 1935 if (FD_ISSET(i, fds)) 1936 fprintf(fp, " %d", i); 1937 } 1938 fputs(" }", fp); 1939 } else 1940 print_pointer(fp, args[sc->offset]); 1941 free(fds); 1942 break; 1943 } 1944 case Signal: 1945 fputs(strsig2(args[sc->offset]), fp); 1946 break; 1947 case Sigset: { 1948 long sig; 1949 sigset_t ss; 1950 int i, first; 1951 1952 sig = args[sc->offset]; 1953 if (get_struct(pid, args[sc->offset], (void *)&ss, 1954 sizeof(ss)) == -1) { 1955 print_pointer(fp, args[sc->offset]); 1956 break; 1957 } 1958 fputs("{ ", fp); 1959 first = 1; 1960 for (i = 1; i < sys_nsig; i++) { 1961 if (sigismember(&ss, i)) { 1962 fprintf(fp, "%s%s", !first ? "|" : "", 1963 strsig2(i)); 1964 first = 0; 1965 } 1966 } 1967 if (!first) 1968 fputc(' ', fp); 1969 fputc('}', fp); 1970 break; 1971 } 1972 case Sigprocmask: 1973 print_integer_arg(sysdecode_sigprocmask_how, fp, 1974 args[sc->offset]); 1975 break; 1976 case Fcntlflag: 1977 /* XXX: Output depends on the value of the previous argument. */ 1978 if (sysdecode_fcntl_arg_p(args[sc->offset - 1])) 1979 sysdecode_fcntl_arg(fp, args[sc->offset - 1], 1980 args[sc->offset], 16); 1981 break; 1982 case Open: 1983 print_mask_arg(sysdecode_open_flags, fp, args[sc->offset]); 1984 break; 1985 case Fcntl: 1986 print_integer_arg(sysdecode_fcntl_cmd, fp, args[sc->offset]); 1987 break; 1988 case Mprot: 1989 print_mask_arg(sysdecode_mmap_prot, fp, args[sc->offset]); 1990 break; 1991 case Mmapflags: 1992 print_mask_arg(sysdecode_mmap_flags, fp, args[sc->offset]); 1993 break; 1994 case Whence: 1995 print_integer_arg(sysdecode_whence, fp, args[sc->offset]); 1996 break; 1997 case ShmFlags: 1998 print_mask_arg(sysdecode_shmflags, fp, args[sc->offset]); 1999 break; 2000 case Sockdomain: 2001 print_integer_arg(sysdecode_socketdomain, fp, args[sc->offset]); 2002 break; 2003 case Socktype: 2004 print_mask_arg(sysdecode_socket_type, fp, args[sc->offset]); 2005 break; 2006 case Shutdown: 2007 print_integer_arg(sysdecode_shutdown_how, fp, args[sc->offset]); 2008 break; 2009 case Resource: 2010 print_integer_arg(sysdecode_rlimit, fp, args[sc->offset]); 2011 break; 2012 case RusageWho: 2013 print_integer_arg(sysdecode_getrusage_who, fp, args[sc->offset]); 2014 break; 2015 case Pathconf: 2016 print_integer_arg(sysdecode_pathconf_name, fp, args[sc->offset]); 2017 break; 2018 case Rforkflags: 2019 print_mask_arg(sysdecode_rfork_flags, fp, args[sc->offset]); 2020 break; 2021 case Sockaddr: { 2022 socklen_t len; 2023 2024 if (args[sc->offset] == 0) { 2025 fputs("NULL", fp); 2026 break; 2027 } 2028 2029 /* 2030 * Extract the address length from the next argument. If 2031 * this is an output sockaddr (OUT is set), then the 2032 * next argument is a pointer to a socklen_t. Otherwise 2033 * the next argument contains a socklen_t by value. 2034 */ 2035 if (sc->type & OUT) { 2036 if (get_struct(pid, args[sc->offset + 1], &len, 2037 sizeof(len)) == -1) { 2038 print_pointer(fp, args[sc->offset]); 2039 break; 2040 } 2041 } else 2042 len = args[sc->offset + 1]; 2043 2044 print_sockaddr(fp, trussinfo, args[sc->offset], len); 2045 break; 2046 } 2047 case Sigaction: { 2048 struct sigaction sa; 2049 2050 if (get_struct(pid, args[sc->offset], &sa, sizeof(sa)) != -1) { 2051 fputs("{ ", fp); 2052 if (sa.sa_handler == SIG_DFL) 2053 fputs("SIG_DFL", fp); 2054 else if (sa.sa_handler == SIG_IGN) 2055 fputs("SIG_IGN", fp); 2056 else 2057 fprintf(fp, "%p", sa.sa_handler); 2058 fprintf(fp, " %s ss_t }", 2059 xlookup_bits(sigaction_flags, sa.sa_flags)); 2060 } else 2061 print_pointer(fp, args[sc->offset]); 2062 break; 2063 } 2064 case Sigevent: { 2065 struct sigevent se; 2066 2067 if (get_struct(pid, args[sc->offset], &se, sizeof(se)) != -1) 2068 print_sigevent(fp, &se); 2069 else 2070 print_pointer(fp, args[sc->offset]); 2071 break; 2072 } 2073 case Kevent: { 2074 /* 2075 * XXX XXX: The size of the array is determined by either the 2076 * next syscall argument, or by the syscall return value, 2077 * depending on which argument number we are. This matches the 2078 * kevent syscall, but luckily that's the only syscall that uses 2079 * them. 2080 */ 2081 struct kevent *ke; 2082 int numevents = -1; 2083 size_t bytes; 2084 int i; 2085 2086 if (sc->offset == 1) 2087 numevents = args[sc->offset+1]; 2088 else if (sc->offset == 3 && retval[0] != -1) 2089 numevents = retval[0]; 2090 2091 if (numevents >= 0) { 2092 bytes = sizeof(struct kevent) * numevents; 2093 if ((ke = malloc(bytes)) == NULL) 2094 err(1, 2095 "Cannot malloc %zu bytes for kevent array", 2096 bytes); 2097 } else 2098 ke = NULL; 2099 if (numevents >= 0 && get_struct(pid, args[sc->offset], 2100 ke, bytes) != -1) { 2101 fputc('{', fp); 2102 for (i = 0; i < numevents; i++) { 2103 fputc(' ', fp); 2104 print_kevent(fp, &ke[i]); 2105 } 2106 fputs(" }", fp); 2107 } else { 2108 print_pointer(fp, args[sc->offset]); 2109 } 2110 free(ke); 2111 break; 2112 } 2113 case Kevent11: { 2114 struct freebsd11_kevent *ke11; 2115 struct kevent ke; 2116 int numevents = -1; 2117 size_t bytes; 2118 int i; 2119 2120 if (sc->offset == 1) 2121 numevents = args[sc->offset+1]; 2122 else if (sc->offset == 3 && retval[0] != -1) 2123 numevents = retval[0]; 2124 2125 if (numevents >= 0) { 2126 bytes = sizeof(struct freebsd11_kevent) * numevents; 2127 if ((ke11 = malloc(bytes)) == NULL) 2128 err(1, 2129 "Cannot malloc %zu bytes for kevent array", 2130 bytes); 2131 } else 2132 ke11 = NULL; 2133 memset(&ke, 0, sizeof(ke)); 2134 if (numevents >= 0 && get_struct(pid, args[sc->offset], 2135 ke11, bytes) != -1) { 2136 fputc('{', fp); 2137 for (i = 0; i < numevents; i++) { 2138 fputc(' ', fp); 2139 ke.ident = ke11[i].ident; 2140 ke.filter = ke11[i].filter; 2141 ke.flags = ke11[i].flags; 2142 ke.fflags = ke11[i].fflags; 2143 ke.data = ke11[i].data; 2144 ke.udata = ke11[i].udata; 2145 print_kevent(fp, &ke); 2146 } 2147 fputs(" }", fp); 2148 } else { 2149 print_pointer(fp, args[sc->offset]); 2150 } 2151 free(ke11); 2152 break; 2153 } 2154 case Stat: { 2155 struct stat st; 2156 2157 if (get_struct(pid, args[sc->offset], &st, sizeof(st)) 2158 != -1) { 2159 char mode[12]; 2160 2161 strmode(st.st_mode, mode); 2162 fprintf(fp, 2163 "{ mode=%s,inode=%ju,size=%jd,blksize=%ld }", mode, 2164 (uintmax_t)st.st_ino, (intmax_t)st.st_size, 2165 (long)st.st_blksize); 2166 } else { 2167 print_pointer(fp, args[sc->offset]); 2168 } 2169 break; 2170 } 2171 case Stat11: { 2172 struct freebsd11_stat st; 2173 2174 if (get_struct(pid, args[sc->offset], &st, sizeof(st)) 2175 != -1) { 2176 char mode[12]; 2177 2178 strmode(st.st_mode, mode); 2179 fprintf(fp, 2180 "{ mode=%s,inode=%ju,size=%jd,blksize=%ld }", mode, 2181 (uintmax_t)st.st_ino, (intmax_t)st.st_size, 2182 (long)st.st_blksize); 2183 } else { 2184 print_pointer(fp, args[sc->offset]); 2185 } 2186 break; 2187 } 2188 case StatFs: { 2189 unsigned int i; 2190 struct statfs buf; 2191 2192 if (get_struct(pid, args[sc->offset], &buf, 2193 sizeof(buf)) != -1) { 2194 char fsid[17]; 2195 2196 bzero(fsid, sizeof(fsid)); 2197 if (buf.f_fsid.val[0] != 0 || buf.f_fsid.val[1] != 0) { 2198 for (i = 0; i < sizeof(buf.f_fsid); i++) 2199 snprintf(&fsid[i*2], 2200 sizeof(fsid) - (i*2), "%02x", 2201 ((u_char *)&buf.f_fsid)[i]); 2202 } 2203 fprintf(fp, 2204 "{ fstypename=%s,mntonname=%s,mntfromname=%s," 2205 "fsid=%s }", buf.f_fstypename, buf.f_mntonname, 2206 buf.f_mntfromname, fsid); 2207 } else 2208 print_pointer(fp, args[sc->offset]); 2209 break; 2210 } 2211 2212 case Rusage: { 2213 struct rusage ru; 2214 2215 if (get_struct(pid, args[sc->offset], &ru, sizeof(ru)) 2216 != -1) { 2217 fprintf(fp, 2218 "{ u=%jd.%06ld,s=%jd.%06ld,in=%ld,out=%ld }", 2219 (intmax_t)ru.ru_utime.tv_sec, ru.ru_utime.tv_usec, 2220 (intmax_t)ru.ru_stime.tv_sec, ru.ru_stime.tv_usec, 2221 ru.ru_inblock, ru.ru_oublock); 2222 } else 2223 print_pointer(fp, args[sc->offset]); 2224 break; 2225 } 2226 case Rlimit: { 2227 struct rlimit rl; 2228 2229 if (get_struct(pid, args[sc->offset], &rl, sizeof(rl)) 2230 != -1) { 2231 fprintf(fp, "{ cur=%ju,max=%ju }", 2232 rl.rlim_cur, rl.rlim_max); 2233 } else 2234 print_pointer(fp, args[sc->offset]); 2235 break; 2236 } 2237 case ExitStatus: { 2238 int status; 2239 2240 if (get_struct(pid, args[sc->offset], &status, 2241 sizeof(status)) != -1) { 2242 fputs("{ ", fp); 2243 if (WIFCONTINUED(status)) 2244 fputs("CONTINUED", fp); 2245 else if (WIFEXITED(status)) 2246 fprintf(fp, "EXITED,val=%d", 2247 WEXITSTATUS(status)); 2248 else if (WIFSIGNALED(status)) 2249 fprintf(fp, "SIGNALED,sig=%s%s", 2250 strsig2(WTERMSIG(status)), 2251 WCOREDUMP(status) ? ",cored" : ""); 2252 else 2253 fprintf(fp, "STOPPED,sig=%s", 2254 strsig2(WTERMSIG(status))); 2255 fputs(" }", fp); 2256 } else 2257 print_pointer(fp, args[sc->offset]); 2258 break; 2259 } 2260 case Waitoptions: 2261 print_mask_arg(sysdecode_wait6_options, fp, args[sc->offset]); 2262 break; 2263 case Idtype: 2264 print_integer_arg(sysdecode_idtype, fp, args[sc->offset]); 2265 break; 2266 case Procctl: 2267 print_integer_arg(sysdecode_procctl_cmd, fp, args[sc->offset]); 2268 break; 2269 case Umtxop: { 2270 int rem; 2271 2272 if (print_mask_arg_part(sysdecode_umtx_op_flags, fp, 2273 args[sc->offset], &rem)) 2274 fprintf(fp, "|"); 2275 print_integer_arg(sysdecode_umtx_op, fp, rem); 2276 break; 2277 } 2278 case Atfd: 2279 print_integer_arg(sysdecode_atfd, fp, args[sc->offset]); 2280 break; 2281 case Atflags: 2282 print_mask_arg(sysdecode_atflags, fp, args[sc->offset]); 2283 break; 2284 case Accessmode: 2285 print_mask_arg(sysdecode_access_mode, fp, args[sc->offset]); 2286 break; 2287 case Sysarch: 2288 print_integer_arg(sysdecode_sysarch_number, fp, 2289 args[sc->offset]); 2290 break; 2291 case Sysctl: { 2292 char name[BUFSIZ]; 2293 int oid[CTL_MAXNAME + 2]; 2294 size_t len; 2295 2296 memset(name, 0, sizeof(name)); 2297 len = args[sc->offset + 1]; 2298 if (get_struct(pid, args[sc->offset], oid, 2299 len * sizeof(oid[0])) != -1) { 2300 fprintf(fp, "\""); 2301 if (oid[0] == CTL_SYSCTL) { 2302 fprintf(fp, "sysctl."); 2303 switch (oid[1]) { 2304 case CTL_SYSCTL_DEBUG: 2305 fprintf(fp, "debug"); 2306 break; 2307 case CTL_SYSCTL_NAME: 2308 fprintf(fp, "name "); 2309 print_sysctl_oid(fp, oid + 2, len - 2); 2310 break; 2311 case CTL_SYSCTL_NEXT: 2312 fprintf(fp, "next"); 2313 break; 2314 case CTL_SYSCTL_NAME2OID: 2315 fprintf(fp, "name2oid %s", 2316 get_string(pid, 2317 args[sc->offset + 4], 2318 args[sc->offset + 5])); 2319 break; 2320 case CTL_SYSCTL_OIDFMT: 2321 fprintf(fp, "oidfmt "); 2322 print_sysctl(fp, oid + 2, len - 2); 2323 break; 2324 case CTL_SYSCTL_OIDDESCR: 2325 fprintf(fp, "oiddescr "); 2326 print_sysctl(fp, oid + 2, len - 2); 2327 break; 2328 case CTL_SYSCTL_OIDLABEL: 2329 fprintf(fp, "oidlabel "); 2330 print_sysctl(fp, oid + 2, len - 2); 2331 break; 2332 case CTL_SYSCTL_NEXTNOSKIP: 2333 fprintf(fp, "nextnoskip"); 2334 break; 2335 default: 2336 print_sysctl(fp, oid + 1, len - 1); 2337 } 2338 } else { 2339 print_sysctl(fp, oid, len); 2340 } 2341 fprintf(fp, "\""); 2342 } 2343 break; 2344 } 2345 case PipeFds: 2346 /* 2347 * The pipe() system call in the kernel returns its 2348 * two file descriptors via return values. However, 2349 * the interface exposed by libc is that pipe() 2350 * accepts a pointer to an array of descriptors. 2351 * Format the output to match the libc API by printing 2352 * the returned file descriptors as a fake argument. 2353 * 2354 * Overwrite the first retval to signal a successful 2355 * return as well. 2356 */ 2357 fprintf(fp, "{ %d, %d }", (int)retval[0], (int)retval[1]); 2358 retval[0] = 0; 2359 break; 2360 case Utrace: { 2361 size_t len; 2362 void *utrace_addr; 2363 2364 len = args[sc->offset + 1]; 2365 utrace_addr = calloc(1, len); 2366 if (get_struct(pid, args[sc->offset], 2367 (void *)utrace_addr, len) != -1) 2368 print_utrace(fp, utrace_addr, len); 2369 else 2370 print_pointer(fp, args[sc->offset]); 2371 free(utrace_addr); 2372 break; 2373 } 2374 case IntArray: { 2375 int descriptors[16]; 2376 unsigned long i, ndescriptors; 2377 bool truncated; 2378 2379 ndescriptors = args[sc->offset + 1]; 2380 truncated = false; 2381 if (ndescriptors > nitems(descriptors)) { 2382 ndescriptors = nitems(descriptors); 2383 truncated = true; 2384 } 2385 if (get_struct(pid, args[sc->offset], 2386 descriptors, ndescriptors * sizeof(descriptors[0])) != -1) { 2387 fprintf(fp, "{"); 2388 for (i = 0; i < ndescriptors; i++) 2389 fprintf(fp, i == 0 ? " %d" : ", %d", 2390 descriptors[i]); 2391 fprintf(fp, truncated ? ", ... }" : " }"); 2392 } else 2393 print_pointer(fp, args[sc->offset]); 2394 break; 2395 } 2396 case Pipe2: 2397 print_mask_arg(sysdecode_pipe2_flags, fp, args[sc->offset]); 2398 break; 2399 case CapFcntlRights: { 2400 uint32_t rights; 2401 2402 if (sc->type & OUT) { 2403 if (get_struct(pid, args[sc->offset], &rights, 2404 sizeof(rights)) == -1) { 2405 print_pointer(fp, args[sc->offset]); 2406 break; 2407 } 2408 } else 2409 rights = args[sc->offset]; 2410 print_mask_arg32(sysdecode_cap_fcntlrights, fp, rights); 2411 break; 2412 } 2413 case Fadvice: 2414 print_integer_arg(sysdecode_fadvice, fp, args[sc->offset]); 2415 break; 2416 case FileFlags: { 2417 fflags_t rem; 2418 2419 if (!sysdecode_fileflags(fp, args[sc->offset], &rem)) 2420 fprintf(fp, "0x%x", rem); 2421 else if (rem != 0) 2422 fprintf(fp, "|0x%x", rem); 2423 break; 2424 } 2425 case Flockop: 2426 print_mask_arg(sysdecode_flock_operation, fp, args[sc->offset]); 2427 break; 2428 case Getfsstatmode: 2429 print_integer_arg(sysdecode_getfsstat_mode, fp, 2430 args[sc->offset]); 2431 break; 2432 case Kldsymcmd: 2433 print_integer_arg(sysdecode_kldsym_cmd, fp, args[sc->offset]); 2434 break; 2435 case Kldunloadflags: 2436 print_integer_arg(sysdecode_kldunload_flags, fp, 2437 args[sc->offset]); 2438 break; 2439 case AiofsyncOp: 2440 fputs(xlookup(aio_fsync_ops, args[sc->offset]), fp); 2441 break; 2442 case LioMode: 2443 fputs(xlookup(lio_modes, args[sc->offset]), fp); 2444 break; 2445 case Madvice: 2446 print_integer_arg(sysdecode_madvice, fp, args[sc->offset]); 2447 break; 2448 case Socklent: 2449 fprintf(fp, "%u", (socklen_t)args[sc->offset]); 2450 break; 2451 case Sockprotocol: { 2452 const char *temp; 2453 int domain, protocol; 2454 2455 domain = args[sc->offset - 2]; 2456 protocol = args[sc->offset]; 2457 if (protocol == 0) { 2458 fputs("0", fp); 2459 } else { 2460 temp = sysdecode_socket_protocol(domain, protocol); 2461 if (temp) { 2462 fputs(temp, fp); 2463 } else { 2464 fprintf(fp, "%d", protocol); 2465 } 2466 } 2467 break; 2468 } 2469 case Sockoptlevel: 2470 print_integer_arg(sysdecode_sockopt_level, fp, 2471 args[sc->offset]); 2472 break; 2473 case Sockoptname: { 2474 const char *temp; 2475 int level, name; 2476 2477 level = args[sc->offset - 1]; 2478 name = args[sc->offset]; 2479 temp = sysdecode_sockopt_name(level, name); 2480 if (temp) { 2481 fputs(temp, fp); 2482 } else { 2483 fprintf(fp, "%d", name); 2484 } 2485 break; 2486 } 2487 case Msgflags: 2488 print_mask_arg(sysdecode_msg_flags, fp, args[sc->offset]); 2489 break; 2490 case CapRights: { 2491 cap_rights_t rights; 2492 2493 if (get_struct(pid, args[sc->offset], &rights, 2494 sizeof(rights)) != -1) { 2495 fputs("{ ", fp); 2496 sysdecode_cap_rights(fp, &rights); 2497 fputs(" }", fp); 2498 } else 2499 print_pointer(fp, args[sc->offset]); 2500 break; 2501 } 2502 case Acltype: 2503 print_integer_arg(sysdecode_acltype, fp, args[sc->offset]); 2504 break; 2505 case Extattrnamespace: 2506 print_integer_arg(sysdecode_extattrnamespace, fp, 2507 args[sc->offset]); 2508 break; 2509 case Minherit: 2510 print_integer_arg(sysdecode_minherit_inherit, fp, 2511 args[sc->offset]); 2512 break; 2513 case Mlockall: 2514 print_mask_arg(sysdecode_mlockall_flags, fp, args[sc->offset]); 2515 break; 2516 case Mountflags: 2517 print_mask_arg(sysdecode_mount_flags, fp, args[sc->offset]); 2518 break; 2519 case Msync: 2520 print_mask_arg(sysdecode_msync_flags, fp, args[sc->offset]); 2521 break; 2522 case Priowhich: 2523 print_integer_arg(sysdecode_prio_which, fp, args[sc->offset]); 2524 break; 2525 case Ptraceop: 2526 print_integer_arg(sysdecode_ptrace_request, fp, 2527 args[sc->offset]); 2528 break; 2529 case Sendfileflags: 2530 print_mask_arg(sysdecode_sendfile_flags, fp, args[sc->offset]); 2531 break; 2532 case Sendfilehdtr: { 2533 struct sf_hdtr hdtr; 2534 2535 if (get_struct(pid, args[sc->offset], &hdtr, sizeof(hdtr)) != 2536 -1) { 2537 fprintf(fp, "{"); 2538 print_iovec(fp, trussinfo, (uintptr_t)hdtr.headers, 2539 hdtr.hdr_cnt); 2540 print_iovec(fp, trussinfo, (uintptr_t)hdtr.trailers, 2541 hdtr.trl_cnt); 2542 fprintf(fp, "}"); 2543 } else 2544 print_pointer(fp, args[sc->offset]); 2545 break; 2546 } 2547 case Quotactlcmd: 2548 if (!sysdecode_quotactl_cmd(fp, args[sc->offset])) 2549 fprintf(fp, "%#x", (int)args[sc->offset]); 2550 break; 2551 case Reboothowto: 2552 print_mask_arg(sysdecode_reboot_howto, fp, args[sc->offset]); 2553 break; 2554 case Rtpriofunc: 2555 print_integer_arg(sysdecode_rtprio_function, fp, 2556 args[sc->offset]); 2557 break; 2558 case Schedpolicy: 2559 print_integer_arg(sysdecode_scheduler_policy, fp, 2560 args[sc->offset]); 2561 break; 2562 case Schedparam: { 2563 struct sched_param sp; 2564 2565 if (get_struct(pid, args[sc->offset], &sp, sizeof(sp)) != -1) 2566 fprintf(fp, "{ %d }", sp.sched_priority); 2567 else 2568 print_pointer(fp, args[sc->offset]); 2569 break; 2570 } 2571 case PSig: { 2572 int sig; 2573 2574 if (get_struct(pid, args[sc->offset], &sig, sizeof(sig)) == 0) 2575 fprintf(fp, "{ %s }", strsig2(sig)); 2576 else 2577 print_pointer(fp, args[sc->offset]); 2578 break; 2579 } 2580 case Siginfo: { 2581 siginfo_t si; 2582 2583 if (get_struct(pid, args[sc->offset], &si, sizeof(si)) != -1) { 2584 fprintf(fp, "{ signo=%s", strsig2(si.si_signo)); 2585 decode_siginfo(fp, &si); 2586 fprintf(fp, " }"); 2587 } else 2588 print_pointer(fp, args[sc->offset]); 2589 break; 2590 } 2591 case Iovec: 2592 /* 2593 * Print argument as an array of struct iovec, where the next 2594 * syscall argument is the number of elements of the array. 2595 */ 2596 2597 print_iovec(fp, trussinfo, args[sc->offset], 2598 (int)args[sc->offset + 1]); 2599 break; 2600 case Aiocb: { 2601 struct aiocb cb; 2602 2603 if (get_struct(pid, args[sc->offset], &cb, sizeof(cb)) != -1) 2604 print_aiocb(fp, &cb); 2605 else 2606 print_pointer(fp, args[sc->offset]); 2607 break; 2608 } 2609 case AiocbArray: { 2610 /* 2611 * Print argment as an array of pointers to struct aiocb, where 2612 * the next syscall argument is the number of elements. 2613 */ 2614 uintptr_t cbs[16]; 2615 unsigned int nent; 2616 bool truncated; 2617 2618 nent = args[sc->offset + 1]; 2619 truncated = false; 2620 if (nent > nitems(cbs)) { 2621 nent = nitems(cbs); 2622 truncated = true; 2623 } 2624 2625 if (get_struct(pid, args[sc->offset], cbs, sizeof(uintptr_t) * nent) != -1) { 2626 unsigned int i; 2627 fputs("[", fp); 2628 for (i = 0; i < nent; ++i) { 2629 struct aiocb cb; 2630 if (i > 0) 2631 fputc(',', fp); 2632 if (get_struct(pid, cbs[i], &cb, sizeof(cb)) != -1) 2633 print_aiocb(fp, &cb); 2634 else 2635 print_pointer(fp, cbs[i]); 2636 } 2637 if (truncated) 2638 fputs(",...", fp); 2639 fputs("]", fp); 2640 } else 2641 print_pointer(fp, args[sc->offset]); 2642 break; 2643 } 2644 case AiocbPointer: { 2645 /* 2646 * aio_waitcomplete(2) assigns a pointer to a pointer to struct 2647 * aiocb, so we need to handle the extra layer of indirection. 2648 */ 2649 uintptr_t cbp; 2650 struct aiocb cb; 2651 2652 if (get_struct(pid, args[sc->offset], &cbp, sizeof(cbp)) != -1) { 2653 if (get_struct(pid, cbp, &cb, sizeof(cb)) != -1) 2654 print_aiocb(fp, &cb); 2655 else 2656 print_pointer(fp, cbp); 2657 } else 2658 print_pointer(fp, args[sc->offset]); 2659 break; 2660 } 2661 case Sctpsndrcvinfo: { 2662 struct sctp_sndrcvinfo info; 2663 2664 if (get_struct(pid, args[sc->offset], 2665 &info, sizeof(struct sctp_sndrcvinfo)) == -1) { 2666 print_pointer(fp, args[sc->offset]); 2667 break; 2668 } 2669 print_sctp_sndrcvinfo(fp, sc->type & OUT, &info); 2670 break; 2671 } 2672 case Msghdr: { 2673 struct msghdr msghdr; 2674 2675 if (get_struct(pid, args[sc->offset], 2676 &msghdr, sizeof(struct msghdr)) == -1) { 2677 print_pointer(fp, args[sc->offset]); 2678 break; 2679 } 2680 fputs("{", fp); 2681 print_sockaddr(fp, trussinfo, (uintptr_t)msghdr.msg_name, msghdr.msg_namelen); 2682 fprintf(fp, ",%d,", msghdr.msg_namelen); 2683 print_iovec(fp, trussinfo, (uintptr_t)msghdr.msg_iov, msghdr.msg_iovlen); 2684 fprintf(fp, ",%d,", msghdr.msg_iovlen); 2685 print_cmsgs(fp, pid, sc->type & OUT, &msghdr); 2686 fprintf(fp, ",%u,", msghdr.msg_controllen); 2687 print_mask_arg(sysdecode_msg_flags, fp, msghdr.msg_flags); 2688 fputs("}", fp); 2689 break; 2690 } 2691 2692 default: 2693 errx(1, "Invalid argument type %d\n", sc->type & ARG_MASK); 2694 } 2695 fclose(fp); 2696 return (tmp); 2697 } 2698 2699 /* 2700 * Print (to outfile) the system call and its arguments. 2701 */ 2702 void 2703 print_syscall(struct trussinfo *trussinfo) 2704 { 2705 struct threadinfo *t; 2706 const char *name; 2707 char **s_args; 2708 int i, len, nargs; 2709 2710 t = trussinfo->curthread; 2711 2712 name = t->cs.sc->name; 2713 nargs = t->cs.nargs; 2714 s_args = t->cs.s_args; 2715 2716 len = print_line_prefix(trussinfo); 2717 len += fprintf(trussinfo->outfile, "%s(", name); 2718 2719 for (i = 0; i < nargs; i++) { 2720 if (s_args[i] != NULL) 2721 len += fprintf(trussinfo->outfile, "%s", s_args[i]); 2722 else 2723 len += fprintf(trussinfo->outfile, 2724 "<missing argument>"); 2725 len += fprintf(trussinfo->outfile, "%s", i < (nargs - 1) ? 2726 "," : ""); 2727 } 2728 len += fprintf(trussinfo->outfile, ")"); 2729 for (i = 0; i < 6 - (len / 8); i++) 2730 fprintf(trussinfo->outfile, "\t"); 2731 } 2732 2733 void 2734 print_syscall_ret(struct trussinfo *trussinfo, int error, register_t *retval) 2735 { 2736 struct timespec timediff; 2737 struct threadinfo *t; 2738 struct syscall *sc; 2739 2740 t = trussinfo->curthread; 2741 sc = t->cs.sc; 2742 if (trussinfo->flags & COUNTONLY) { 2743 timespecsub(&t->after, &t->before, &timediff); 2744 timespecadd(&sc->time, &timediff, &sc->time); 2745 sc->ncalls++; 2746 if (error != 0) 2747 sc->nerror++; 2748 return; 2749 } 2750 2751 print_syscall(trussinfo); 2752 fflush(trussinfo->outfile); 2753 2754 if (retval == NULL) { 2755 /* 2756 * This system call resulted in the current thread's exit, 2757 * so there is no return value or error to display. 2758 */ 2759 fprintf(trussinfo->outfile, "\n"); 2760 return; 2761 } 2762 2763 if (error == ERESTART) 2764 fprintf(trussinfo->outfile, " ERESTART\n"); 2765 else if (error == EJUSTRETURN) 2766 fprintf(trussinfo->outfile, " EJUSTRETURN\n"); 2767 else if (error != 0) { 2768 fprintf(trussinfo->outfile, " ERR#%d '%s'\n", 2769 sysdecode_freebsd_to_abi_errno(t->proc->abi->abi, error), 2770 strerror(error)); 2771 } else if (sc->decode.ret_type == 2 && 2772 t->proc->abi->pointer_size == 4) { 2773 off_t off; 2774 #if _BYTE_ORDER == _LITTLE_ENDIAN 2775 off = (off_t)retval[1] << 32 | retval[0]; 2776 #else 2777 off = (off_t)retval[0] << 32 | retval[1]; 2778 #endif 2779 fprintf(trussinfo->outfile, " = %jd (0x%jx)\n", (intmax_t)off, 2780 (intmax_t)off); 2781 } else { 2782 fprintf(trussinfo->outfile, " = %jd (0x%jx)\n", 2783 (intmax_t)retval[0], (intmax_t)retval[0]); 2784 } 2785 } 2786 2787 void 2788 print_summary(struct trussinfo *trussinfo) 2789 { 2790 struct timespec total = {0, 0}; 2791 struct syscall *sc; 2792 int ncall, nerror; 2793 2794 fprintf(trussinfo->outfile, "%-20s%15s%8s%8s\n", 2795 "syscall", "seconds", "calls", "errors"); 2796 ncall = nerror = 0; 2797 STAILQ_FOREACH(sc, &seen_syscalls, entries) { 2798 if (sc->ncalls) { 2799 fprintf(trussinfo->outfile, "%-20s%5jd.%09ld%8d%8d\n", 2800 sc->name, (intmax_t)sc->time.tv_sec, 2801 sc->time.tv_nsec, sc->ncalls, sc->nerror); 2802 timespecadd(&total, &sc->time, &total); 2803 ncall += sc->ncalls; 2804 nerror += sc->nerror; 2805 } 2806 } 2807 fprintf(trussinfo->outfile, "%20s%15s%8s%8s\n", 2808 "", "-------------", "-------", "-------"); 2809 fprintf(trussinfo->outfile, "%-20s%5jd.%09ld%8d%8d\n", 2810 "", (intmax_t)total.tv_sec, total.tv_nsec, ncall, nerror); 2811 } 2812