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 = "close_range", .ret_type = 1, .nargs = 3, 187 .args = { { Int, 0 }, { Int, 1 }, { Closerangeflags, 2 } } }, 188 { .name = "compat11.fstat", .ret_type = 1, .nargs = 2, 189 .args = { { Int, 0 }, { Stat11 | OUT, 1 } } }, 190 { .name = "compat11.fstatat", .ret_type = 1, .nargs = 4, 191 .args = { { Atfd, 0 }, { Name | IN, 1 }, { Stat11 | OUT, 2 }, 192 { Atflags, 3 } } }, 193 { .name = "compat11.kevent", .ret_type = 1, .nargs = 6, 194 .args = { { Int, 0 }, { Kevent11, 1 }, { Int, 2 }, 195 { Kevent11 | OUT, 3 }, { Int, 4 }, { Timespec, 5 } } }, 196 { .name = "compat11.lstat", .ret_type = 1, .nargs = 2, 197 .args = { { Name | IN, 0 }, { Stat11 | OUT, 1 } } }, 198 { .name = "compat11.mknod", .ret_type = 1, .nargs = 3, 199 .args = { { Name, 0 }, { Octal, 1 }, { Int, 2 } } }, 200 { .name = "compat11.mknodat", .ret_type = 1, .nargs = 4, 201 .args = { { Atfd, 0 }, { Name, 1 }, { Octal, 2 }, { Int, 3 } } }, 202 { .name = "compat11.stat", .ret_type = 1, .nargs = 2, 203 .args = { { Name | IN, 0 }, { Stat11 | OUT, 1 } } }, 204 { .name = "connect", .ret_type = 1, .nargs = 3, 205 .args = { { Int, 0 }, { Sockaddr | IN, 1 }, { Socklent, 2 } } }, 206 { .name = "connectat", .ret_type = 1, .nargs = 4, 207 .args = { { Atfd, 0 }, { Int, 1 }, { Sockaddr | IN, 2 }, 208 { Int, 3 } } }, 209 { .name = "dup", .ret_type = 1, .nargs = 1, 210 .args = { { Int, 0 } } }, 211 { .name = "dup2", .ret_type = 1, .nargs = 2, 212 .args = { { Int, 0 }, { Int, 1 } } }, 213 { .name = "eaccess", .ret_type = 1, .nargs = 2, 214 .args = { { Name | IN, 0 }, { Accessmode, 1 } } }, 215 { .name = "execve", .ret_type = 1, .nargs = 3, 216 .args = { { Name | IN, 0 }, { ExecArgs | IN, 1 }, 217 { ExecEnv | IN, 2 } } }, 218 { .name = "exit", .ret_type = 0, .nargs = 1, 219 .args = { { Hex, 0 } } }, 220 { .name = "extattr_delete_fd", .ret_type = 1, .nargs = 3, 221 .args = { { Int, 0 }, { Extattrnamespace, 1 }, { Name, 2 } } }, 222 { .name = "extattr_delete_file", .ret_type = 1, .nargs = 3, 223 .args = { { Name, 0 }, { Extattrnamespace, 1 }, { Name, 2 } } }, 224 { .name = "extattr_delete_link", .ret_type = 1, .nargs = 3, 225 .args = { { Name, 0 }, { Extattrnamespace, 1 }, { Name, 2 } } }, 226 { .name = "extattr_get_fd", .ret_type = 1, .nargs = 5, 227 .args = { { Int, 0 }, { Extattrnamespace, 1 }, { Name, 2 }, 228 { BinString | OUT, 3 }, { Sizet, 4 } } }, 229 { .name = "extattr_get_file", .ret_type = 1, .nargs = 5, 230 .args = { { Name, 0 }, { Extattrnamespace, 1 }, { Name, 2 }, 231 { BinString | OUT, 3 }, { Sizet, 4 } } }, 232 { .name = "extattr_get_link", .ret_type = 1, .nargs = 5, 233 .args = { { Name, 0 }, { Extattrnamespace, 1 }, { Name, 2 }, 234 { BinString | OUT, 3 }, { Sizet, 4 } } }, 235 { .name = "extattr_list_fd", .ret_type = 1, .nargs = 4, 236 .args = { { Int, 0 }, { Extattrnamespace, 1 }, { BinString | OUT, 2 }, 237 { Sizet, 3 } } }, 238 { .name = "extattr_list_file", .ret_type = 1, .nargs = 4, 239 .args = { { Name, 0 }, { Extattrnamespace, 1 }, { BinString | OUT, 2 }, 240 { Sizet, 3 } } }, 241 { .name = "extattr_list_link", .ret_type = 1, .nargs = 4, 242 .args = { { Name, 0 }, { Extattrnamespace, 1 }, { BinString | OUT, 2 }, 243 { Sizet, 3 } } }, 244 { .name = "extattr_set_fd", .ret_type = 1, .nargs = 5, 245 .args = { { Int, 0 }, { Extattrnamespace, 1 }, { Name, 2 }, 246 { BinString | IN, 3 }, { Sizet, 4 } } }, 247 { .name = "extattr_set_file", .ret_type = 1, .nargs = 5, 248 .args = { { Name, 0 }, { Extattrnamespace, 1 }, { Name, 2 }, 249 { BinString | IN, 3 }, { Sizet, 4 } } }, 250 { .name = "extattr_set_link", .ret_type = 1, .nargs = 5, 251 .args = { { Name, 0 }, { Extattrnamespace, 1 }, { Name, 2 }, 252 { BinString | IN, 3 }, { Sizet, 4 } } }, 253 { .name = "extattrctl", .ret_type = 1, .nargs = 5, 254 .args = { { Name, 0 }, { Hex, 1 }, { Name, 2 }, 255 { Extattrnamespace, 3 }, { Name, 4 } } }, 256 { .name = "faccessat", .ret_type = 1, .nargs = 4, 257 .args = { { Atfd, 0 }, { Name | IN, 1 }, { Accessmode, 2 }, 258 { Atflags, 3 } } }, 259 { .name = "fchflags", .ret_type = 1, .nargs = 2, 260 .args = { { Int, 0 }, { FileFlags, 1 } } }, 261 { .name = "fchmod", .ret_type = 1, .nargs = 2, 262 .args = { { Int, 0 }, { Octal, 1 } } }, 263 { .name = "fchmodat", .ret_type = 1, .nargs = 4, 264 .args = { { Atfd, 0 }, { Name, 1 }, { Octal, 2 }, { Atflags, 3 } } }, 265 { .name = "fchown", .ret_type = 1, .nargs = 3, 266 .args = { { Int, 0 }, { Int, 1 }, { Int, 2 } } }, 267 { .name = "fchownat", .ret_type = 1, .nargs = 5, 268 .args = { { Atfd, 0 }, { Name, 1 }, { Int, 2 }, { Int, 3 }, 269 { Atflags, 4 } } }, 270 { .name = "fcntl", .ret_type = 1, .nargs = 3, 271 .args = { { Int, 0 }, { Fcntl, 1 }, { Fcntlflag, 2 } } }, 272 { .name = "fdatasync", .ret_type = 1, .nargs = 1, 273 .args = { { Int, 0 } } }, 274 { .name = "flock", .ret_type = 1, .nargs = 2, 275 .args = { { Int, 0 }, { Flockop, 1 } } }, 276 { .name = "fstat", .ret_type = 1, .nargs = 2, 277 .args = { { Int, 0 }, { Stat | OUT, 1 } } }, 278 { .name = "fstatat", .ret_type = 1, .nargs = 4, 279 .args = { { Atfd, 0 }, { Name | IN, 1 }, { Stat | OUT, 2 }, 280 { Atflags, 3 } } }, 281 { .name = "fstatfs", .ret_type = 1, .nargs = 2, 282 .args = { { Int, 0 }, { StatFs | OUT, 1 } } }, 283 { .name = "fsync", .ret_type = 1, .nargs = 1, 284 .args = { { Int, 0 } } }, 285 { .name = "ftruncate", .ret_type = 1, .nargs = 2, 286 .args = { { Int | IN, 0 }, { QuadHex | IN, 1 } } }, 287 { .name = "futimens", .ret_type = 1, .nargs = 2, 288 .args = { { Int, 0 }, { Timespec2 | IN, 1 } } }, 289 { .name = "futimes", .ret_type = 1, .nargs = 2, 290 .args = { { Int, 0 }, { Timeval2 | IN, 1 } } }, 291 { .name = "futimesat", .ret_type = 1, .nargs = 3, 292 .args = { { Atfd, 0 }, { Name | IN, 1 }, { Timeval2 | IN, 2 } } }, 293 { .name = "getdirentries", .ret_type = 1, .nargs = 4, 294 .args = { { Int, 0 }, { BinString | OUT, 1 }, { Int, 2 }, 295 { PQuadHex | OUT, 3 } } }, 296 { .name = "getfsstat", .ret_type = 1, .nargs = 3, 297 .args = { { Ptr, 0 }, { Long, 1 }, { Getfsstatmode, 2 } } }, 298 { .name = "getitimer", .ret_type = 1, .nargs = 2, 299 .args = { { Int, 0 }, { Itimerval | OUT, 2 } } }, 300 { .name = "getpeername", .ret_type = 1, .nargs = 3, 301 .args = { { Int, 0 }, { Sockaddr | OUT, 1 }, { Ptr | OUT, 2 } } }, 302 { .name = "getpgid", .ret_type = 1, .nargs = 1, 303 .args = { { Int, 0 } } }, 304 { .name = "getpriority", .ret_type = 1, .nargs = 2, 305 .args = { { Priowhich, 0 }, { Int, 1 } } }, 306 { .name = "getrandom", .ret_type = 1, .nargs = 3, 307 .args = { { BinString | OUT, 0 }, { Sizet, 1 }, { UInt, 2 } } }, 308 { .name = "getrlimit", .ret_type = 1, .nargs = 2, 309 .args = { { Resource, 0 }, { Rlimit | OUT, 1 } } }, 310 { .name = "getrusage", .ret_type = 1, .nargs = 2, 311 .args = { { RusageWho, 0 }, { Rusage | OUT, 1 } } }, 312 { .name = "getsid", .ret_type = 1, .nargs = 1, 313 .args = { { Int, 0 } } }, 314 { .name = "getsockname", .ret_type = 1, .nargs = 3, 315 .args = { { Int, 0 }, { Sockaddr | OUT, 1 }, { Ptr | OUT, 2 } } }, 316 { .name = "getsockopt", .ret_type = 1, .nargs = 5, 317 .args = { { Int, 0 }, { Sockoptlevel, 1 }, { Sockoptname, 2 }, 318 { Ptr | OUT, 3 }, { Ptr | OUT, 4 } } }, 319 { .name = "gettimeofday", .ret_type = 1, .nargs = 2, 320 .args = { { Timeval | OUT, 0 }, { Ptr, 1 } } }, 321 { .name = "ioctl", .ret_type = 1, .nargs = 3, 322 .args = { { Int, 0 }, { Ioctl, 1 }, { Ptr, 2 } } }, 323 { .name = "kevent", .ret_type = 1, .nargs = 6, 324 .args = { { Int, 0 }, { Kevent, 1 }, { Int, 2 }, { Kevent | OUT, 3 }, 325 { Int, 4 }, { Timespec, 5 } } }, 326 { .name = "kill", .ret_type = 1, .nargs = 2, 327 .args = { { Int | IN, 0 }, { Signal | IN, 1 } } }, 328 { .name = "kldfind", .ret_type = 1, .nargs = 1, 329 .args = { { Name | IN, 0 } } }, 330 { .name = "kldfirstmod", .ret_type = 1, .nargs = 1, 331 .args = { { Int, 0 } } }, 332 { .name = "kldload", .ret_type = 1, .nargs = 1, 333 .args = { { Name | IN, 0 } } }, 334 { .name = "kldnext", .ret_type = 1, .nargs = 1, 335 .args = { { Int, 0 } } }, 336 { .name = "kldstat", .ret_type = 1, .nargs = 2, 337 .args = { { Int, 0 }, { Ptr, 1 } } }, 338 { .name = "kldsym", .ret_type = 1, .nargs = 3, 339 .args = { { Int, 0 }, { Kldsymcmd, 1 }, { Ptr, 2 } } }, 340 { .name = "kldunload", .ret_type = 1, .nargs = 1, 341 .args = { { Int, 0 } } }, 342 { .name = "kldunloadf", .ret_type = 1, .nargs = 2, 343 .args = { { Int, 0 }, { Kldunloadflags, 1 } } }, 344 { .name = "kse_release", .ret_type = 0, .nargs = 1, 345 .args = { { Timespec, 0 } } }, 346 { .name = "lchflags", .ret_type = 1, .nargs = 2, 347 .args = { { Name | IN, 0 }, { FileFlags, 1 } } }, 348 { .name = "lchmod", .ret_type = 1, .nargs = 2, 349 .args = { { Name, 0 }, { Octal, 1 } } }, 350 { .name = "lchown", .ret_type = 1, .nargs = 3, 351 .args = { { Name, 0 }, { Int, 1 }, { Int, 2 } } }, 352 { .name = "link", .ret_type = 1, .nargs = 2, 353 .args = { { Name, 0 }, { Name, 1 } } }, 354 { .name = "linkat", .ret_type = 1, .nargs = 5, 355 .args = { { Atfd, 0 }, { Name, 1 }, { Atfd, 2 }, { Name, 3 }, 356 { Atflags, 4 } } }, 357 { .name = "lio_listio", .ret_type = 1, .nargs = 4, 358 .args = { { LioMode, 0 }, { AiocbArray, 1 }, { Int, 2 }, 359 { Sigevent, 3 } } }, 360 { .name = "listen", .ret_type = 1, .nargs = 2, 361 .args = { { Int, 0 }, { Int, 1 } } }, 362 { .name = "lseek", .ret_type = 2, .nargs = 3, 363 .args = { { Int, 0 }, { QuadHex, 1 }, { Whence, 2 } } }, 364 { .name = "lstat", .ret_type = 1, .nargs = 2, 365 .args = { { Name | IN, 0 }, { Stat | OUT, 1 } } }, 366 { .name = "lutimes", .ret_type = 1, .nargs = 2, 367 .args = { { Name | IN, 0 }, { Timeval2 | IN, 1 } } }, 368 { .name = "madvise", .ret_type = 1, .nargs = 3, 369 .args = { { Ptr, 0 }, { Sizet, 1 }, { Madvice, 2 } } }, 370 { .name = "minherit", .ret_type = 1, .nargs = 3, 371 .args = { { Ptr, 0 }, { Sizet, 1 }, { Minherit, 2 } } }, 372 { .name = "mkdir", .ret_type = 1, .nargs = 2, 373 .args = { { Name, 0 }, { Octal, 1 } } }, 374 { .name = "mkdirat", .ret_type = 1, .nargs = 3, 375 .args = { { Atfd, 0 }, { Name, 1 }, { Octal, 2 } } }, 376 { .name = "mkfifo", .ret_type = 1, .nargs = 2, 377 .args = { { Name, 0 }, { Octal, 1 } } }, 378 { .name = "mkfifoat", .ret_type = 1, .nargs = 3, 379 .args = { { Atfd, 0 }, { Name, 1 }, { Octal, 2 } } }, 380 { .name = "mknod", .ret_type = 1, .nargs = 3, 381 .args = { { Name, 0 }, { Octal, 1 }, { Quad, 2 } } }, 382 { .name = "mknodat", .ret_type = 1, .nargs = 4, 383 .args = { { Atfd, 0 }, { Name, 1 }, { Octal, 2 }, { Quad, 3 } } }, 384 { .name = "mlock", .ret_type = 1, .nargs = 2, 385 .args = { { Ptr, 0 }, { Sizet, 1 } } }, 386 { .name = "mlockall", .ret_type = 1, .nargs = 1, 387 .args = { { Mlockall, 0 } } }, 388 { .name = "mmap", .ret_type = 1, .nargs = 6, 389 .args = { { Ptr, 0 }, { Sizet, 1 }, { Mprot, 2 }, { Mmapflags, 3 }, 390 { Int, 4 }, { QuadHex, 5 } } }, 391 { .name = "modfind", .ret_type = 1, .nargs = 1, 392 .args = { { Name | IN, 0 } } }, 393 { .name = "mount", .ret_type = 1, .nargs = 4, 394 .args = { { Name, 0 }, { Name, 1 }, { Mountflags, 2 }, { Ptr, 3 } } }, 395 { .name = "mprotect", .ret_type = 1, .nargs = 3, 396 .args = { { Ptr, 0 }, { Sizet, 1 }, { Mprot, 2 } } }, 397 { .name = "msync", .ret_type = 1, .nargs = 3, 398 .args = { { Ptr, 0 }, { Sizet, 1 }, { Msync, 2 } } }, 399 { .name = "munlock", .ret_type = 1, .nargs = 2, 400 .args = { { Ptr, 0 }, { Sizet, 1 } } }, 401 { .name = "munmap", .ret_type = 1, .nargs = 2, 402 .args = { { Ptr, 0 }, { Sizet, 1 } } }, 403 { .name = "nanosleep", .ret_type = 1, .nargs = 1, 404 .args = { { Timespec, 0 } } }, 405 { .name = "nmount", .ret_type = 1, .nargs = 3, 406 .args = { { Ptr, 0 }, { UInt, 1 }, { Mountflags, 2 } } }, 407 { .name = "open", .ret_type = 1, .nargs = 3, 408 .args = { { Name | IN, 0 }, { Open, 1 }, { Octal, 2 } } }, 409 { .name = "openat", .ret_type = 1, .nargs = 4, 410 .args = { { Atfd, 0 }, { Name | IN, 1 }, { Open, 2 }, 411 { Octal, 3 } } }, 412 { .name = "pathconf", .ret_type = 1, .nargs = 2, 413 .args = { { Name | IN, 0 }, { Pathconf, 1 } } }, 414 { .name = "pipe", .ret_type = 1, .nargs = 1, 415 .args = { { PipeFds | OUT, 0 } } }, 416 { .name = "pipe2", .ret_type = 1, .nargs = 2, 417 .args = { { Ptr, 0 }, { Pipe2, 1 } } }, 418 { .name = "poll", .ret_type = 1, .nargs = 3, 419 .args = { { Pollfd, 0 }, { Int, 1 }, { Int, 2 } } }, 420 { .name = "posix_fadvise", .ret_type = 1, .nargs = 4, 421 .args = { { Int, 0 }, { QuadHex, 1 }, { QuadHex, 2 }, 422 { Fadvice, 3 } } }, 423 { .name = "posix_openpt", .ret_type = 1, .nargs = 1, 424 .args = { { Open, 0 } } }, 425 { .name = "ppoll", .ret_type = 1, .nargs = 4, 426 .args = { { Pollfd, 0 }, { Int, 1 }, { Timespec | IN, 2 }, 427 { Sigset | IN, 3 } } }, 428 { .name = "pread", .ret_type = 1, .nargs = 4, 429 .args = { { Int, 0 }, { BinString | OUT, 1 }, { Sizet, 2 }, 430 { QuadHex, 3 } } }, 431 { .name = "procctl", .ret_type = 1, .nargs = 4, 432 .args = { { Idtype, 0 }, { Quad, 1 }, { Procctl, 2 }, { Ptr, 3 } } }, 433 { .name = "ptrace", .ret_type = 1, .nargs = 4, 434 .args = { { Ptraceop, 0 }, { Int, 1 }, { Ptr, 2 }, { Int, 3 } } }, 435 { .name = "pwrite", .ret_type = 1, .nargs = 4, 436 .args = { { Int, 0 }, { BinString | IN, 1 }, { Sizet, 2 }, 437 { QuadHex, 3 } } }, 438 { .name = "quotactl", .ret_type = 1, .nargs = 4, 439 .args = { { Name, 0 }, { Quotactlcmd, 1 }, { Int, 2 }, { Ptr, 3 } } }, 440 { .name = "read", .ret_type = 1, .nargs = 3, 441 .args = { { Int, 0 }, { BinString | OUT, 1 }, { Sizet, 2 } } }, 442 { .name = "readlink", .ret_type = 1, .nargs = 3, 443 .args = { { Name, 0 }, { Readlinkres | OUT, 1 }, { Sizet, 2 } } }, 444 { .name = "readlinkat", .ret_type = 1, .nargs = 4, 445 .args = { { Atfd, 0 }, { Name, 1 }, { Readlinkres | OUT, 2 }, 446 { Sizet, 3 } } }, 447 { .name = "readv", .ret_type = 1, .nargs = 3, 448 .args = { { Int, 0 }, { Iovec | OUT, 1 }, { Int, 2 } } }, 449 { .name = "reboot", .ret_type = 1, .nargs = 1, 450 .args = { { Reboothowto, 0 } } }, 451 { .name = "recvfrom", .ret_type = 1, .nargs = 6, 452 .args = { { Int, 0 }, { BinString | OUT, 1 }, { Sizet, 2 }, 453 { Msgflags, 3 }, { Sockaddr | OUT, 4 }, 454 { Ptr | OUT, 5 } } }, 455 { .name = "recvmsg", .ret_type = 1, .nargs = 3, 456 .args = { { Int, 0 }, { Msghdr | OUT, 1 }, { Msgflags, 2 } } }, 457 { .name = "rename", .ret_type = 1, .nargs = 2, 458 .args = { { Name, 0 }, { Name, 1 } } }, 459 { .name = "renameat", .ret_type = 1, .nargs = 4, 460 .args = { { Atfd, 0 }, { Name, 1 }, { Atfd, 2 }, { Name, 3 } } }, 461 { .name = "rfork", .ret_type = 1, .nargs = 1, 462 .args = { { Rforkflags, 0 } } }, 463 { .name = "rmdir", .ret_type = 1, .nargs = 1, 464 .args = { { Name, 0 } } }, 465 { .name = "rtprio", .ret_type = 1, .nargs = 3, 466 .args = { { Rtpriofunc, 0 }, { Int, 1 }, { Ptr, 2 } } }, 467 { .name = "rtprio_thread", .ret_type = 1, .nargs = 3, 468 .args = { { Rtpriofunc, 0 }, { Int, 1 }, { Ptr, 2 } } }, 469 { .name = "sched_get_priority_max", .ret_type = 1, .nargs = 1, 470 .args = { { Schedpolicy, 0 } } }, 471 { .name = "sched_get_priority_min", .ret_type = 1, .nargs = 1, 472 .args = { { Schedpolicy, 0 } } }, 473 { .name = "sched_getparam", .ret_type = 1, .nargs = 2, 474 .args = { { Int, 0 }, { Schedparam | OUT, 1 } } }, 475 { .name = "sched_getscheduler", .ret_type = 1, .nargs = 1, 476 .args = { { Int, 0 } } }, 477 { .name = "sched_rr_get_interval", .ret_type = 1, .nargs = 2, 478 .args = { { Int, 0 }, { Timespec | OUT, 1 } } }, 479 { .name = "sched_setparam", .ret_type = 1, .nargs = 2, 480 .args = { { Int, 0 }, { Schedparam, 1 } } }, 481 { .name = "sched_setscheduler", .ret_type = 1, .nargs = 3, 482 .args = { { Int, 0 }, { Schedpolicy, 1 }, { Schedparam, 2 } } }, 483 { .name = "sctp_generic_recvmsg", .ret_type = 1, .nargs = 7, 484 .args = { { Int, 0 }, { Iovec | OUT, 1 }, { Int, 2 }, 485 { Sockaddr | OUT, 3 }, { Ptr | OUT, 4 }, 486 { Sctpsndrcvinfo | OUT, 5 }, { Ptr | OUT, 6 } } }, 487 { .name = "sctp_generic_sendmsg", .ret_type = 1, .nargs = 7, 488 .args = { { Int, 0 }, { BinString | IN, 1 }, { Int, 2 }, 489 { Sockaddr | IN, 3 }, { Socklent, 4 }, 490 { Sctpsndrcvinfo | IN, 5 }, { Msgflags, 6 } } }, 491 { .name = "sctp_generic_sendmsg_iov", .ret_type = 1, .nargs = 7, 492 .args = { { Int, 0 }, { Iovec | IN, 1 }, { Int, 2 }, 493 { Sockaddr | IN, 3 }, { Socklent, 4 }, 494 { Sctpsndrcvinfo | IN, 5 }, { Msgflags, 6 } } }, 495 { .name = "sendfile", .ret_type = 1, .nargs = 7, 496 .args = { { Int, 0 }, { Int, 1 }, { QuadHex, 2 }, { Sizet, 3 }, 497 { Sendfilehdtr, 4 }, { QuadHex | OUT, 5 }, 498 { Sendfileflags, 6 } } }, 499 { .name = "select", .ret_type = 1, .nargs = 5, 500 .args = { { Int, 0 }, { Fd_set, 1 }, { Fd_set, 2 }, { Fd_set, 3 }, 501 { Timeval, 4 } } }, 502 { .name = "sendmsg", .ret_type = 1, .nargs = 3, 503 .args = { { Int, 0 }, { Msghdr | IN, 1 }, { Msgflags, 2 } } }, 504 { .name = "sendto", .ret_type = 1, .nargs = 6, 505 .args = { { Int, 0 }, { BinString | IN, 1 }, { Sizet, 2 }, 506 { Msgflags, 3 }, { Sockaddr | IN, 4 }, 507 { Socklent | IN, 5 } } }, 508 { .name = "setitimer", .ret_type = 1, .nargs = 3, 509 .args = { { Int, 0 }, { Itimerval, 1 }, { Itimerval | OUT, 2 } } }, 510 { .name = "setpriority", .ret_type = 1, .nargs = 3, 511 .args = { { Priowhich, 0 }, { Int, 1 }, { Int, 2 } } }, 512 { .name = "setrlimit", .ret_type = 1, .nargs = 2, 513 .args = { { Resource, 0 }, { Rlimit | IN, 1 } } }, 514 { .name = "setsockopt", .ret_type = 1, .nargs = 5, 515 .args = { { Int, 0 }, { Sockoptlevel, 1 }, { Sockoptname, 2 }, 516 { Ptr | IN, 3 }, { Socklent, 4 } } }, 517 { .name = "shm_open", .ret_type = 1, .nargs = 3, 518 .args = { { ShmName | IN, 0 }, { Open, 1 }, { Octal, 2 } } }, 519 { .name = "shm_open2", .ret_type = 1, .nargs = 5, 520 .args = { { ShmName | IN, 0 }, { Open, 1 }, { Octal, 2 }, 521 { ShmFlags, 3 }, { Name | IN, 4 } } }, 522 { .name = "shm_rename", .ret_type = 1, .nargs = 3, 523 .args = { { Name | IN, 0 }, { Name | IN, 1 }, { Hex, 2 } } }, 524 { .name = "shm_unlink", .ret_type = 1, .nargs = 1, 525 .args = { { Name | IN, 0 } } }, 526 { .name = "shutdown", .ret_type = 1, .nargs = 2, 527 .args = { { Int, 0 }, { Shutdown, 1 } } }, 528 { .name = "sigaction", .ret_type = 1, .nargs = 3, 529 .args = { { Signal, 0 }, { Sigaction | IN, 1 }, 530 { Sigaction | OUT, 2 } } }, 531 { .name = "sigpending", .ret_type = 1, .nargs = 1, 532 .args = { { Sigset | OUT, 0 } } }, 533 { .name = "sigprocmask", .ret_type = 1, .nargs = 3, 534 .args = { { Sigprocmask, 0 }, { Sigset, 1 }, { Sigset | OUT, 2 } } }, 535 { .name = "sigqueue", .ret_type = 1, .nargs = 3, 536 .args = { { Int, 0 }, { Signal, 1 }, { LongHex, 2 } } }, 537 { .name = "sigreturn", .ret_type = 1, .nargs = 1, 538 .args = { { Ptr, 0 } } }, 539 { .name = "sigsuspend", .ret_type = 1, .nargs = 1, 540 .args = { { Sigset | IN, 0 } } }, 541 { .name = "sigtimedwait", .ret_type = 1, .nargs = 3, 542 .args = { { Sigset | IN, 0 }, { Siginfo | OUT, 1 }, 543 { Timespec | IN, 2 } } }, 544 { .name = "sigwait", .ret_type = 1, .nargs = 2, 545 .args = { { Sigset | IN, 0 }, { PSig | OUT, 1 } } }, 546 { .name = "sigwaitinfo", .ret_type = 1, .nargs = 2, 547 .args = { { Sigset | IN, 0 }, { Siginfo | OUT, 1 } } }, 548 { .name = "socket", .ret_type = 1, .nargs = 3, 549 .args = { { Sockdomain, 0 }, { Socktype, 1 }, { Sockprotocol, 2 } } }, 550 { .name = "stat", .ret_type = 1, .nargs = 2, 551 .args = { { Name | IN, 0 }, { Stat | OUT, 1 } } }, 552 { .name = "statfs", .ret_type = 1, .nargs = 2, 553 .args = { { Name | IN, 0 }, { StatFs | OUT, 1 } } }, 554 { .name = "symlink", .ret_type = 1, .nargs = 2, 555 .args = { { Name, 0 }, { Name, 1 } } }, 556 { .name = "symlinkat", .ret_type = 1, .nargs = 3, 557 .args = { { Name, 0 }, { Atfd, 1 }, { Name, 2 } } }, 558 { .name = "sysarch", .ret_type = 1, .nargs = 2, 559 .args = { { Sysarch, 0 }, { Ptr, 1 } } }, 560 { .name = "__sysctl", .ret_type = 1, .nargs = 6, 561 .args = { { Sysctl, 0 }, { Sizet, 1 }, { Ptr, 2 }, { Ptr, 3 }, 562 { Ptr, 4 }, { Sizet, 5 } } }, 563 { .name = "__sysctlbyname", .ret_type = 1, .nargs = 6, 564 .args = { { Name, 0 }, { Sizet, 1 }, { Ptr, 2 }, { Ptr, 3 }, 565 { Ptr, 4}, { Sizet, 5 } } }, 566 { .name = "thr_kill", .ret_type = 1, .nargs = 2, 567 .args = { { Long, 0 }, { Signal, 1 } } }, 568 { .name = "thr_self", .ret_type = 1, .nargs = 1, 569 .args = { { Ptr, 0 } } }, 570 { .name = "thr_set_name", .ret_type = 1, .nargs = 2, 571 .args = { { Long, 0 }, { Name, 1 } } }, 572 { .name = "truncate", .ret_type = 1, .nargs = 2, 573 .args = { { Name | IN, 0 }, { QuadHex | IN, 1 } } }, 574 #if 0 575 /* Does not exist */ 576 { .name = "umount", .ret_type = 1, .nargs = 2, 577 .args = { { Name, 0 }, { Int, 2 } } }, 578 #endif 579 { .name = "unlink", .ret_type = 1, .nargs = 1, 580 .args = { { Name, 0 } } }, 581 { .name = "unlinkat", .ret_type = 1, .nargs = 3, 582 .args = { { Atfd, 0 }, { Name, 1 }, { Atflags, 2 } } }, 583 { .name = "unmount", .ret_type = 1, .nargs = 2, 584 .args = { { Name, 0 }, { Mountflags, 1 } } }, 585 { .name = "utimensat", .ret_type = 1, .nargs = 4, 586 .args = { { Atfd, 0 }, { Name | IN, 1 }, { Timespec2 | IN, 2 }, 587 { Atflags, 3 } } }, 588 { .name = "utimes", .ret_type = 1, .nargs = 2, 589 .args = { { Name | IN, 0 }, { Timeval2 | IN, 1 } } }, 590 { .name = "utrace", .ret_type = 1, .nargs = 1, 591 .args = { { Utrace, 0 } } }, 592 { .name = "wait4", .ret_type = 1, .nargs = 4, 593 .args = { { Int, 0 }, { ExitStatus | OUT, 1 }, { Waitoptions, 2 }, 594 { Rusage | OUT, 3 } } }, 595 { .name = "wait6", .ret_type = 1, .nargs = 6, 596 .args = { { Idtype, 0 }, { Quad, 1 }, { ExitStatus | OUT, 2 }, 597 { Waitoptions, 3 }, { Rusage | OUT, 4 }, 598 { Siginfo | OUT, 5 } } }, 599 { .name = "write", .ret_type = 1, .nargs = 3, 600 .args = { { Int, 0 }, { BinString | IN, 1 }, { Sizet, 2 } } }, 601 { .name = "writev", .ret_type = 1, .nargs = 3, 602 .args = { { Int, 0 }, { Iovec | IN, 1 }, { Int, 2 } } }, 603 604 /* Linux ABI */ 605 { .name = "linux_access", .ret_type = 1, .nargs = 2, 606 .args = { { Name, 0 }, { Accessmode, 1 } } }, 607 { .name = "linux_execve", .ret_type = 1, .nargs = 3, 608 .args = { { Name | IN, 0 }, { ExecArgs | IN, 1 }, 609 { ExecEnv | IN, 2 } } }, 610 { .name = "linux_lseek", .ret_type = 2, .nargs = 3, 611 .args = { { Int, 0 }, { Int, 1 }, { Whence, 2 } } }, 612 { .name = "linux_mkdir", .ret_type = 1, .nargs = 2, 613 .args = { { Name | IN, 0 }, { Int, 1 } } }, 614 { .name = "linux_newfstat", .ret_type = 1, .nargs = 2, 615 .args = { { Int, 0 }, { Ptr | OUT, 1 } } }, 616 { .name = "linux_newstat", .ret_type = 1, .nargs = 2, 617 .args = { { Name | IN, 0 }, { Ptr | OUT, 1 } } }, 618 { .name = "linux_open", .ret_type = 1, .nargs = 3, 619 .args = { { Name, 0 }, { Hex, 1 }, { Octal, 2 } } }, 620 { .name = "linux_readlink", .ret_type = 1, .nargs = 3, 621 .args = { { Name, 0 }, { Name | OUT, 1 }, { Sizet, 2 } } }, 622 { .name = "linux_socketcall", .ret_type = 1, .nargs = 2, 623 .args = { { Int, 0 }, { LinuxSockArgs, 1 } } }, 624 { .name = "linux_stat64", .ret_type = 1, .nargs = 2, 625 .args = { { Name | IN, 0 }, { Ptr | OUT, 1 } } }, 626 }; 627 static STAILQ_HEAD(, syscall) seen_syscalls; 628 629 /* Xlat idea taken from strace */ 630 struct xlat { 631 int val; 632 const char *str; 633 }; 634 635 #define X(a) { a, #a }, 636 #define XEND { 0, NULL } 637 638 static struct xlat poll_flags[] = { 639 X(POLLSTANDARD) X(POLLIN) X(POLLPRI) X(POLLOUT) X(POLLERR) 640 X(POLLHUP) X(POLLNVAL) X(POLLRDNORM) X(POLLRDBAND) 641 X(POLLWRBAND) X(POLLINIGNEOF) X(POLLRDHUP) XEND 642 }; 643 644 static struct xlat sigaction_flags[] = { 645 X(SA_ONSTACK) X(SA_RESTART) X(SA_RESETHAND) X(SA_NOCLDSTOP) 646 X(SA_NODEFER) X(SA_NOCLDWAIT) X(SA_SIGINFO) XEND 647 }; 648 649 static struct xlat linux_socketcall_ops[] = { 650 X(LINUX_SOCKET) X(LINUX_BIND) X(LINUX_CONNECT) X(LINUX_LISTEN) 651 X(LINUX_ACCEPT) X(LINUX_GETSOCKNAME) X(LINUX_GETPEERNAME) 652 X(LINUX_SOCKETPAIR) X(LINUX_SEND) X(LINUX_RECV) X(LINUX_SENDTO) 653 X(LINUX_RECVFROM) X(LINUX_SHUTDOWN) X(LINUX_SETSOCKOPT) 654 X(LINUX_GETSOCKOPT) X(LINUX_SENDMSG) X(LINUX_RECVMSG) 655 XEND 656 }; 657 658 static struct xlat lio_modes[] = { 659 X(LIO_WAIT) X(LIO_NOWAIT) 660 XEND 661 }; 662 663 static struct xlat lio_opcodes[] = { 664 X(LIO_WRITE) X(LIO_READ) X(LIO_READV) X(LIO_WRITEV) X(LIO_NOP) 665 XEND 666 }; 667 668 static struct xlat aio_fsync_ops[] = { 669 X(O_SYNC) 670 XEND 671 }; 672 673 #undef X 674 #undef XEND 675 676 /* 677 * Searches an xlat array for a value, and returns it if found. Otherwise 678 * return a string representation. 679 */ 680 static const char * 681 lookup(struct xlat *xlat, int val, int base) 682 { 683 static char tmp[16]; 684 685 for (; xlat->str != NULL; xlat++) 686 if (xlat->val == val) 687 return (xlat->str); 688 switch (base) { 689 case 8: 690 sprintf(tmp, "0%o", val); 691 break; 692 case 16: 693 sprintf(tmp, "0x%x", val); 694 break; 695 case 10: 696 sprintf(tmp, "%u", val); 697 break; 698 default: 699 errx(1, "Unknown lookup base"); 700 } 701 return (tmp); 702 } 703 704 static const char * 705 xlookup(struct xlat *xlat, int val) 706 { 707 708 return (lookup(xlat, val, 16)); 709 } 710 711 /* 712 * Searches an xlat array containing bitfield values. Remaining bits 713 * set after removing the known ones are printed at the end: 714 * IN|0x400. 715 */ 716 static char * 717 xlookup_bits(struct xlat *xlat, int val) 718 { 719 int len, rem; 720 static char str[512]; 721 722 len = 0; 723 rem = val; 724 for (; xlat->str != NULL; xlat++) { 725 if ((xlat->val & rem) == xlat->val) { 726 /* 727 * Don't print the "all-bits-zero" string unless all 728 * bits are really zero. 729 */ 730 if (xlat->val == 0 && val != 0) 731 continue; 732 len += sprintf(str + len, "%s|", xlat->str); 733 rem &= ~(xlat->val); 734 } 735 } 736 737 /* 738 * If we have leftover bits or didn't match anything, print 739 * the remainder. 740 */ 741 if (rem || len == 0) 742 len += sprintf(str + len, "0x%x", rem); 743 if (len && str[len - 1] == '|') 744 len--; 745 str[len] = 0; 746 return (str); 747 } 748 749 static void 750 print_integer_arg(const char *(*decoder)(int), FILE *fp, int value) 751 { 752 const char *str; 753 754 str = decoder(value); 755 if (str != NULL) 756 fputs(str, fp); 757 else 758 fprintf(fp, "%d", value); 759 } 760 761 static bool 762 print_mask_arg_part(bool (*decoder)(FILE *, int, int *), FILE *fp, int value, 763 int *rem) 764 { 765 766 return (decoder(fp, value, rem)); 767 } 768 769 static void 770 print_mask_arg(bool (*decoder)(FILE *, int, int *), FILE *fp, int value) 771 { 772 int rem; 773 774 if (!print_mask_arg_part(decoder, fp, value, &rem)) 775 fprintf(fp, "0x%x", rem); 776 else if (rem != 0) 777 fprintf(fp, "|0x%x", rem); 778 } 779 780 static void 781 print_mask_arg32(bool (*decoder)(FILE *, uint32_t, uint32_t *), FILE *fp, 782 uint32_t value) 783 { 784 uint32_t rem; 785 786 if (!decoder(fp, value, &rem)) 787 fprintf(fp, "0x%x", rem); 788 else if (rem != 0) 789 fprintf(fp, "|0x%x", rem); 790 } 791 792 /* 793 * Add argument padding to subsequent system calls after Quad 794 * syscall arguments as needed. This used to be done by hand in the 795 * decoded_syscalls table which was ugly and error prone. It is 796 * simpler to do the fixup of offsets at initialization time than when 797 * decoding arguments. 798 */ 799 static void 800 quad_fixup(struct syscall_decode *sc) 801 { 802 int offset, prev; 803 u_int i; 804 805 offset = 0; 806 prev = -1; 807 for (i = 0; i < sc->nargs; i++) { 808 /* This arg type is a dummy that doesn't use offset. */ 809 if ((sc->args[i].type & ARG_MASK) == PipeFds) 810 continue; 811 812 assert(prev < sc->args[i].offset); 813 prev = sc->args[i].offset; 814 sc->args[i].offset += offset; 815 switch (sc->args[i].type & ARG_MASK) { 816 case Quad: 817 case QuadHex: 818 #if defined(__powerpc__) || defined(__arm__) || defined(__aarch64__) 819 /* 820 * 64-bit arguments on 32-bit powerpc and arm must be 821 * 64-bit aligned. If the current offset is 822 * not aligned, the calling convention inserts 823 * a 32-bit pad argument that should be skipped. 824 */ 825 if (sc->args[i].offset % 2 == 1) { 826 sc->args[i].offset++; 827 offset++; 828 } 829 #endif 830 offset++; 831 default: 832 break; 833 } 834 } 835 } 836 837 static struct syscall * 838 find_syscall(struct procabi *abi, u_int number) 839 { 840 struct extra_syscall *es; 841 842 if (number < nitems(abi->syscalls)) 843 return (abi->syscalls[number]); 844 STAILQ_FOREACH(es, &abi->extra_syscalls, entries) { 845 if (es->number == number) 846 return (es->sc); 847 } 848 return (NULL); 849 } 850 851 static void 852 add_syscall(struct procabi *abi, u_int number, struct syscall *sc) 853 { 854 struct extra_syscall *es; 855 856 /* 857 * quad_fixup() is currently needed for all 32-bit ABIs. 858 * TODO: This should probably be a function pointer inside struct 859 * procabi instead. 860 */ 861 if (abi->pointer_size == 4) 862 quad_fixup(&sc->decode); 863 864 if (number < nitems(abi->syscalls)) { 865 assert(abi->syscalls[number] == NULL); 866 abi->syscalls[number] = sc; 867 } else { 868 es = malloc(sizeof(*es)); 869 es->sc = sc; 870 es->number = number; 871 STAILQ_INSERT_TAIL(&abi->extra_syscalls, es, entries); 872 } 873 874 STAILQ_INSERT_HEAD(&seen_syscalls, sc, entries); 875 } 876 877 /* 878 * If/when the list gets big, it might be desirable to do it 879 * as a hash table or binary search. 880 */ 881 struct syscall * 882 get_syscall(struct threadinfo *t, u_int number, u_int nargs) 883 { 884 struct syscall *sc; 885 struct procabi *procabi; 886 const char *sysdecode_name; 887 const char *lookup_name; 888 const char *name; 889 u_int i; 890 891 procabi = t->proc->abi; 892 sc = find_syscall(procabi, number); 893 if (sc != NULL) 894 return (sc); 895 896 /* Memory is not explicitly deallocated, it's released on exit(). */ 897 sysdecode_name = sysdecode_syscallname(procabi->abi, number); 898 if (sysdecode_name == NULL) 899 asprintf(__DECONST(char **, &name), "#%d", number); 900 else 901 name = sysdecode_name; 902 903 sc = calloc(1, sizeof(*sc)); 904 sc->name = name; 905 906 /* Also decode compat syscalls arguments by stripping the prefix. */ 907 lookup_name = name; 908 if (procabi->compat_prefix != NULL && strncmp(procabi->compat_prefix, 909 name, strlen(procabi->compat_prefix)) == 0) 910 lookup_name += strlen(procabi->compat_prefix); 911 912 for (i = 0; i < nitems(decoded_syscalls); i++) { 913 if (strcmp(lookup_name, decoded_syscalls[i].name) == 0) { 914 sc->decode = decoded_syscalls[i]; 915 add_syscall(t->proc->abi, number, sc); 916 return (sc); 917 } 918 } 919 920 /* It is unknown. Add it into the list. */ 921 #if DEBUG 922 fprintf(stderr, "unknown syscall %s -- setting args to %d\n", name, 923 nargs); 924 #endif 925 sc->unknown = sysdecode_name == NULL; 926 sc->decode.ret_type = 1; /* Assume 1 return value. */ 927 sc->decode.nargs = nargs; 928 for (i = 0; i < nargs; i++) { 929 sc->decode.args[i].offset = i; 930 /* Treat all unknown arguments as LongHex. */ 931 sc->decode.args[i].type = LongHex; 932 } 933 add_syscall(t->proc->abi, number, sc); 934 return (sc); 935 } 936 937 /* 938 * Copy a fixed amount of bytes from the process. 939 */ 940 static int 941 get_struct(pid_t pid, psaddr_t offset, void *buf, size_t len) 942 { 943 struct ptrace_io_desc iorequest; 944 945 iorequest.piod_op = PIOD_READ_D; 946 iorequest.piod_offs = (void *)(uintptr_t)offset; 947 iorequest.piod_addr = buf; 948 iorequest.piod_len = len; 949 if (ptrace(PT_IO, pid, (caddr_t)&iorequest, 0) < 0) 950 return (-1); 951 return (0); 952 } 953 954 #define MAXSIZE 4096 955 956 /* 957 * Copy a string from the process. Note that it is 958 * expected to be a C string, but if max is set, it will 959 * only get that much. 960 */ 961 static char * 962 get_string(pid_t pid, psaddr_t addr, int max) 963 { 964 struct ptrace_io_desc iorequest; 965 char *buf, *nbuf; 966 size_t offset, size, totalsize; 967 968 offset = 0; 969 if (max) 970 size = max + 1; 971 else { 972 /* Read up to the end of the current page. */ 973 size = PAGE_SIZE - (addr % PAGE_SIZE); 974 if (size > MAXSIZE) 975 size = MAXSIZE; 976 } 977 totalsize = size; 978 buf = malloc(totalsize); 979 if (buf == NULL) 980 return (NULL); 981 for (;;) { 982 iorequest.piod_op = PIOD_READ_D; 983 iorequest.piod_offs = (void *)((uintptr_t)addr + offset); 984 iorequest.piod_addr = buf + offset; 985 iorequest.piod_len = size; 986 if (ptrace(PT_IO, pid, (caddr_t)&iorequest, 0) < 0) { 987 free(buf); 988 return (NULL); 989 } 990 if (memchr(buf + offset, '\0', size) != NULL) 991 return (buf); 992 offset += size; 993 if (totalsize < MAXSIZE && max == 0) { 994 size = MAXSIZE - totalsize; 995 if (size > PAGE_SIZE) 996 size = PAGE_SIZE; 997 nbuf = realloc(buf, totalsize + size); 998 if (nbuf == NULL) { 999 buf[totalsize - 1] = '\0'; 1000 return (buf); 1001 } 1002 buf = nbuf; 1003 totalsize += size; 1004 } else { 1005 buf[totalsize - 1] = '\0'; 1006 return (buf); 1007 } 1008 } 1009 } 1010 1011 static const char * 1012 strsig2(int sig) 1013 { 1014 static char tmp[32]; 1015 const char *signame; 1016 1017 signame = sysdecode_signal(sig); 1018 if (signame == NULL) { 1019 snprintf(tmp, sizeof(tmp), "%d", sig); 1020 signame = tmp; 1021 } 1022 return (signame); 1023 } 1024 1025 static void 1026 print_kevent(FILE *fp, struct kevent *ke) 1027 { 1028 1029 switch (ke->filter) { 1030 case EVFILT_READ: 1031 case EVFILT_WRITE: 1032 case EVFILT_VNODE: 1033 case EVFILT_PROC: 1034 case EVFILT_TIMER: 1035 case EVFILT_PROCDESC: 1036 case EVFILT_EMPTY: 1037 fprintf(fp, "%ju", (uintmax_t)ke->ident); 1038 break; 1039 case EVFILT_SIGNAL: 1040 fputs(strsig2(ke->ident), fp); 1041 break; 1042 default: 1043 fprintf(fp, "%p", (void *)ke->ident); 1044 } 1045 fprintf(fp, ","); 1046 print_integer_arg(sysdecode_kevent_filter, fp, ke->filter); 1047 fprintf(fp, ","); 1048 print_mask_arg(sysdecode_kevent_flags, fp, ke->flags); 1049 fprintf(fp, ","); 1050 sysdecode_kevent_fflags(fp, ke->filter, ke->fflags, 16); 1051 fprintf(fp, ",%#jx,%p", (uintmax_t)ke->data, ke->udata); 1052 } 1053 1054 static void 1055 print_utrace(FILE *fp, void *utrace_addr, size_t len) 1056 { 1057 unsigned char *utrace_buffer; 1058 1059 fprintf(fp, "{ "); 1060 if (sysdecode_utrace(fp, utrace_addr, len)) { 1061 fprintf(fp, " }"); 1062 return; 1063 } 1064 1065 utrace_buffer = utrace_addr; 1066 fprintf(fp, "%zu:", len); 1067 while (len--) 1068 fprintf(fp, " %02x", *utrace_buffer++); 1069 fprintf(fp, " }"); 1070 } 1071 1072 static void 1073 print_pointer(FILE *fp, uintptr_t arg) 1074 { 1075 1076 fprintf(fp, "%p", (void *)arg); 1077 } 1078 1079 static void 1080 print_sockaddr(FILE *fp, struct trussinfo *trussinfo, uintptr_t arg, 1081 socklen_t len) 1082 { 1083 char addr[64]; 1084 struct sockaddr_in *lsin; 1085 struct sockaddr_in6 *lsin6; 1086 struct sockaddr_un *sun; 1087 struct sockaddr *sa; 1088 u_char *q; 1089 pid_t pid = trussinfo->curthread->proc->pid; 1090 1091 if (arg == 0) { 1092 fputs("NULL", fp); 1093 return; 1094 } 1095 /* If the length is too small, just bail. */ 1096 if (len < sizeof(*sa)) { 1097 print_pointer(fp, arg); 1098 return; 1099 } 1100 1101 sa = calloc(1, len); 1102 if (get_struct(pid, arg, sa, len) == -1) { 1103 free(sa); 1104 print_pointer(fp, arg); 1105 return; 1106 } 1107 1108 switch (sa->sa_family) { 1109 case AF_INET: 1110 if (len < sizeof(*lsin)) 1111 goto sockaddr_short; 1112 lsin = (struct sockaddr_in *)(void *)sa; 1113 inet_ntop(AF_INET, &lsin->sin_addr, addr, sizeof(addr)); 1114 fprintf(fp, "{ AF_INET %s:%d }", addr, 1115 htons(lsin->sin_port)); 1116 break; 1117 case AF_INET6: 1118 if (len < sizeof(*lsin6)) 1119 goto sockaddr_short; 1120 lsin6 = (struct sockaddr_in6 *)(void *)sa; 1121 inet_ntop(AF_INET6, &lsin6->sin6_addr, addr, 1122 sizeof(addr)); 1123 fprintf(fp, "{ AF_INET6 [%s]:%d }", addr, 1124 htons(lsin6->sin6_port)); 1125 break; 1126 case AF_UNIX: 1127 sun = (struct sockaddr_un *)sa; 1128 fprintf(fp, "{ AF_UNIX \"%.*s\" }", 1129 (int)(len - offsetof(struct sockaddr_un, sun_path)), 1130 sun->sun_path); 1131 break; 1132 default: 1133 sockaddr_short: 1134 fprintf(fp, 1135 "{ sa_len = %d, sa_family = %d, sa_data = {", 1136 (int)sa->sa_len, (int)sa->sa_family); 1137 for (q = (u_char *)sa->sa_data; 1138 q < (u_char *)sa + len; q++) 1139 fprintf(fp, "%s 0x%02x", 1140 q == (u_char *)sa->sa_data ? "" : ",", 1141 *q); 1142 fputs(" } }", fp); 1143 } 1144 free(sa); 1145 } 1146 1147 #define IOV_LIMIT 16 1148 1149 static void 1150 print_iovec(FILE *fp, struct trussinfo *trussinfo, uintptr_t arg, int iovcnt) 1151 { 1152 struct iovec iov[IOV_LIMIT]; 1153 size_t max_string = trussinfo->strsize; 1154 char tmp2[max_string + 1], *tmp3; 1155 size_t len; 1156 pid_t pid = trussinfo->curthread->proc->pid; 1157 int i; 1158 bool buf_truncated, iov_truncated; 1159 1160 if (iovcnt <= 0) { 1161 print_pointer(fp, arg); 1162 return; 1163 } 1164 if (iovcnt > IOV_LIMIT) { 1165 iovcnt = IOV_LIMIT; 1166 iov_truncated = true; 1167 } else { 1168 iov_truncated = false; 1169 } 1170 if (get_struct(pid, arg, &iov, iovcnt * sizeof(struct iovec)) == -1) { 1171 print_pointer(fp, arg); 1172 return; 1173 } 1174 1175 fputs("[", fp); 1176 for (i = 0; i < iovcnt; i++) { 1177 len = iov[i].iov_len; 1178 if (len > max_string) { 1179 len = max_string; 1180 buf_truncated = true; 1181 } else { 1182 buf_truncated = false; 1183 } 1184 fprintf(fp, "%s{", (i > 0) ? "," : ""); 1185 if (len && get_struct(pid, (uintptr_t)iov[i].iov_base, &tmp2, len) != -1) { 1186 tmp3 = malloc(len * 4 + 1); 1187 while (len) { 1188 if (strvisx(tmp3, tmp2, len, 1189 VIS_CSTYLE|VIS_TAB|VIS_NL) <= 1190 (int)max_string) 1191 break; 1192 len--; 1193 buf_truncated = true; 1194 } 1195 fprintf(fp, "\"%s\"%s", tmp3, 1196 buf_truncated ? "..." : ""); 1197 free(tmp3); 1198 } else { 1199 print_pointer(fp, (uintptr_t)iov[i].iov_base); 1200 } 1201 fprintf(fp, ",%zu}", iov[i].iov_len); 1202 } 1203 fprintf(fp, "%s%s", iov_truncated ? ",..." : "", "]"); 1204 } 1205 1206 static void 1207 print_sigval(FILE *fp, union sigval *sv) 1208 { 1209 fprintf(fp, "{ %d, %p }", sv->sival_int, sv->sival_ptr); 1210 } 1211 1212 static void 1213 print_sigevent(FILE *fp, struct sigevent *se) 1214 { 1215 fputs("{ sigev_notify=", fp); 1216 switch (se->sigev_notify) { 1217 case SIGEV_NONE: 1218 fputs("SIGEV_NONE", fp); 1219 break; 1220 case SIGEV_SIGNAL: 1221 fprintf(fp, "SIGEV_SIGNAL, sigev_signo=%s, sigev_value=", 1222 strsig2(se->sigev_signo)); 1223 print_sigval(fp, &se->sigev_value); 1224 break; 1225 case SIGEV_THREAD: 1226 fputs("SIGEV_THREAD, sigev_value=", fp); 1227 print_sigval(fp, &se->sigev_value); 1228 break; 1229 case SIGEV_KEVENT: 1230 fprintf(fp, "SIGEV_KEVENT, sigev_notify_kqueue=%d, sigev_notify_kevent_flags=", 1231 se->sigev_notify_kqueue); 1232 print_mask_arg(sysdecode_kevent_flags, fp, se->sigev_notify_kevent_flags); 1233 break; 1234 case SIGEV_THREAD_ID: 1235 fprintf(fp, "SIGEV_THREAD_ID, sigev_notify_thread_id=%d, sigev_signo=%s, sigev_value=", 1236 se->sigev_notify_thread_id, strsig2(se->sigev_signo)); 1237 print_sigval(fp, &se->sigev_value); 1238 break; 1239 default: 1240 fprintf(fp, "%d", se->sigev_notify); 1241 break; 1242 } 1243 fputs(" }", fp); 1244 } 1245 1246 static void 1247 print_aiocb(FILE *fp, struct aiocb *cb) 1248 { 1249 fprintf(fp, "{ %d,%jd,%p,%zu,%s,", 1250 cb->aio_fildes, 1251 cb->aio_offset, 1252 cb->aio_buf, 1253 cb->aio_nbytes, 1254 xlookup(lio_opcodes, cb->aio_lio_opcode)); 1255 print_sigevent(fp, &cb->aio_sigevent); 1256 fputs(" }", fp); 1257 } 1258 1259 static void 1260 print_gen_cmsg(FILE *fp, struct cmsghdr *cmsghdr) 1261 { 1262 u_char *q; 1263 1264 fputs("{", fp); 1265 for (q = CMSG_DATA(cmsghdr); 1266 q < (u_char *)cmsghdr + cmsghdr->cmsg_len; q++) { 1267 fprintf(fp, "%s0x%02x", q == CMSG_DATA(cmsghdr) ? "" : ",", *q); 1268 } 1269 fputs("}", fp); 1270 } 1271 1272 static void 1273 print_sctp_initmsg(FILE *fp, struct sctp_initmsg *init) 1274 { 1275 fprintf(fp, "{out=%u,", init->sinit_num_ostreams); 1276 fprintf(fp, "in=%u,", init->sinit_max_instreams); 1277 fprintf(fp, "max_rtx=%u,", init->sinit_max_attempts); 1278 fprintf(fp, "max_rto=%u}", init->sinit_max_init_timeo); 1279 } 1280 1281 static void 1282 print_sctp_sndrcvinfo(FILE *fp, bool receive, struct sctp_sndrcvinfo *info) 1283 { 1284 fprintf(fp, "{sid=%u,", info->sinfo_stream); 1285 if (receive) { 1286 fprintf(fp, "ssn=%u,", info->sinfo_ssn); 1287 } 1288 fputs("flgs=", fp); 1289 sysdecode_sctp_sinfo_flags(fp, info->sinfo_flags); 1290 fprintf(fp, ",ppid=%u,", ntohl(info->sinfo_ppid)); 1291 if (!receive) { 1292 fprintf(fp, "ctx=%u,", info->sinfo_context); 1293 fprintf(fp, "ttl=%u,", info->sinfo_timetolive); 1294 } 1295 if (receive) { 1296 fprintf(fp, "tsn=%u,", info->sinfo_tsn); 1297 fprintf(fp, "cumtsn=%u,", info->sinfo_cumtsn); 1298 } 1299 fprintf(fp, "id=%u}", info->sinfo_assoc_id); 1300 } 1301 1302 static void 1303 print_sctp_sndinfo(FILE *fp, struct sctp_sndinfo *info) 1304 { 1305 fprintf(fp, "{sid=%u,", info->snd_sid); 1306 fputs("flgs=", fp); 1307 print_mask_arg(sysdecode_sctp_snd_flags, fp, info->snd_flags); 1308 fprintf(fp, ",ppid=%u,", ntohl(info->snd_ppid)); 1309 fprintf(fp, "ctx=%u,", info->snd_context); 1310 fprintf(fp, "id=%u}", info->snd_assoc_id); 1311 } 1312 1313 static void 1314 print_sctp_rcvinfo(FILE *fp, struct sctp_rcvinfo *info) 1315 { 1316 fprintf(fp, "{sid=%u,", info->rcv_sid); 1317 fprintf(fp, "ssn=%u,", info->rcv_ssn); 1318 fputs("flgs=", fp); 1319 print_mask_arg(sysdecode_sctp_rcv_flags, fp, info->rcv_flags); 1320 fprintf(fp, ",ppid=%u,", ntohl(info->rcv_ppid)); 1321 fprintf(fp, "tsn=%u,", info->rcv_tsn); 1322 fprintf(fp, "cumtsn=%u,", info->rcv_cumtsn); 1323 fprintf(fp, "ctx=%u,", info->rcv_context); 1324 fprintf(fp, "id=%u}", info->rcv_assoc_id); 1325 } 1326 1327 static void 1328 print_sctp_nxtinfo(FILE *fp, struct sctp_nxtinfo *info) 1329 { 1330 fprintf(fp, "{sid=%u,", info->nxt_sid); 1331 fputs("flgs=", fp); 1332 print_mask_arg(sysdecode_sctp_nxt_flags, fp, info->nxt_flags); 1333 fprintf(fp, ",ppid=%u,", ntohl(info->nxt_ppid)); 1334 fprintf(fp, "len=%u,", info->nxt_length); 1335 fprintf(fp, "id=%u}", info->nxt_assoc_id); 1336 } 1337 1338 static void 1339 print_sctp_prinfo(FILE *fp, struct sctp_prinfo *info) 1340 { 1341 fputs("{pol=", fp); 1342 print_integer_arg(sysdecode_sctp_pr_policy, fp, info->pr_policy); 1343 fprintf(fp, ",val=%u}", info->pr_value); 1344 } 1345 1346 static void 1347 print_sctp_authinfo(FILE *fp, struct sctp_authinfo *info) 1348 { 1349 fprintf(fp, "{num=%u}", info->auth_keynumber); 1350 } 1351 1352 static void 1353 print_sctp_ipv4_addr(FILE *fp, struct in_addr *addr) 1354 { 1355 char buf[INET_ADDRSTRLEN]; 1356 const char *s; 1357 1358 s = inet_ntop(AF_INET, addr, buf, INET_ADDRSTRLEN); 1359 if (s != NULL) 1360 fprintf(fp, "{addr=%s}", s); 1361 else 1362 fputs("{addr=???}", fp); 1363 } 1364 1365 static void 1366 print_sctp_ipv6_addr(FILE *fp, struct in6_addr *addr) 1367 { 1368 char buf[INET6_ADDRSTRLEN]; 1369 const char *s; 1370 1371 s = inet_ntop(AF_INET6, addr, buf, INET6_ADDRSTRLEN); 1372 if (s != NULL) 1373 fprintf(fp, "{addr=%s}", s); 1374 else 1375 fputs("{addr=???}", fp); 1376 } 1377 1378 static void 1379 print_sctp_cmsg(FILE *fp, bool receive, struct cmsghdr *cmsghdr) 1380 { 1381 void *data; 1382 socklen_t len; 1383 1384 len = cmsghdr->cmsg_len; 1385 data = CMSG_DATA(cmsghdr); 1386 switch (cmsghdr->cmsg_type) { 1387 case SCTP_INIT: 1388 if (len == CMSG_LEN(sizeof(struct sctp_initmsg))) 1389 print_sctp_initmsg(fp, (struct sctp_initmsg *)data); 1390 else 1391 print_gen_cmsg(fp, cmsghdr); 1392 break; 1393 case SCTP_SNDRCV: 1394 if (len == CMSG_LEN(sizeof(struct sctp_sndrcvinfo))) 1395 print_sctp_sndrcvinfo(fp, receive, 1396 (struct sctp_sndrcvinfo *)data); 1397 else 1398 print_gen_cmsg(fp, cmsghdr); 1399 break; 1400 #if 0 1401 case SCTP_EXTRCV: 1402 if (len == CMSG_LEN(sizeof(struct sctp_extrcvinfo))) 1403 print_sctp_extrcvinfo(fp, 1404 (struct sctp_extrcvinfo *)data); 1405 else 1406 print_gen_cmsg(fp, cmsghdr); 1407 break; 1408 #endif 1409 case SCTP_SNDINFO: 1410 if (len == CMSG_LEN(sizeof(struct sctp_sndinfo))) 1411 print_sctp_sndinfo(fp, (struct sctp_sndinfo *)data); 1412 else 1413 print_gen_cmsg(fp, cmsghdr); 1414 break; 1415 case SCTP_RCVINFO: 1416 if (len == CMSG_LEN(sizeof(struct sctp_rcvinfo))) 1417 print_sctp_rcvinfo(fp, (struct sctp_rcvinfo *)data); 1418 else 1419 print_gen_cmsg(fp, cmsghdr); 1420 break; 1421 case SCTP_NXTINFO: 1422 if (len == CMSG_LEN(sizeof(struct sctp_nxtinfo))) 1423 print_sctp_nxtinfo(fp, (struct sctp_nxtinfo *)data); 1424 else 1425 print_gen_cmsg(fp, cmsghdr); 1426 break; 1427 case SCTP_PRINFO: 1428 if (len == CMSG_LEN(sizeof(struct sctp_prinfo))) 1429 print_sctp_prinfo(fp, (struct sctp_prinfo *)data); 1430 else 1431 print_gen_cmsg(fp, cmsghdr); 1432 break; 1433 case SCTP_AUTHINFO: 1434 if (len == CMSG_LEN(sizeof(struct sctp_authinfo))) 1435 print_sctp_authinfo(fp, (struct sctp_authinfo *)data); 1436 else 1437 print_gen_cmsg(fp, cmsghdr); 1438 break; 1439 case SCTP_DSTADDRV4: 1440 if (len == CMSG_LEN(sizeof(struct in_addr))) 1441 print_sctp_ipv4_addr(fp, (struct in_addr *)data); 1442 else 1443 print_gen_cmsg(fp, cmsghdr); 1444 break; 1445 case SCTP_DSTADDRV6: 1446 if (len == CMSG_LEN(sizeof(struct in6_addr))) 1447 print_sctp_ipv6_addr(fp, (struct in6_addr *)data); 1448 else 1449 print_gen_cmsg(fp, cmsghdr); 1450 break; 1451 default: 1452 print_gen_cmsg(fp, cmsghdr); 1453 } 1454 } 1455 1456 static void 1457 print_cmsgs(FILE *fp, pid_t pid, bool receive, struct msghdr *msghdr) 1458 { 1459 struct cmsghdr *cmsghdr; 1460 char *cmsgbuf; 1461 const char *temp; 1462 socklen_t len; 1463 int level, type; 1464 bool first; 1465 1466 len = msghdr->msg_controllen; 1467 if (len == 0) { 1468 fputs("{}", fp); 1469 return; 1470 } 1471 cmsgbuf = calloc(1, len); 1472 if (get_struct(pid, (uintptr_t)msghdr->msg_control, cmsgbuf, len) == -1) { 1473 print_pointer(fp, (uintptr_t)msghdr->msg_control); 1474 free(cmsgbuf); 1475 return; 1476 } 1477 msghdr->msg_control = cmsgbuf; 1478 first = true; 1479 fputs("{", fp); 1480 for (cmsghdr = CMSG_FIRSTHDR(msghdr); 1481 cmsghdr != NULL; 1482 cmsghdr = CMSG_NXTHDR(msghdr, cmsghdr)) { 1483 level = cmsghdr->cmsg_level; 1484 type = cmsghdr->cmsg_type; 1485 len = cmsghdr->cmsg_len; 1486 fprintf(fp, "%s{level=", first ? "" : ","); 1487 print_integer_arg(sysdecode_sockopt_level, fp, level); 1488 fputs(",type=", fp); 1489 temp = sysdecode_cmsg_type(level, type); 1490 if (temp) { 1491 fputs(temp, fp); 1492 } else { 1493 fprintf(fp, "%d", type); 1494 } 1495 fputs(",data=", fp); 1496 switch (level) { 1497 case IPPROTO_SCTP: 1498 print_sctp_cmsg(fp, receive, cmsghdr); 1499 break; 1500 default: 1501 print_gen_cmsg(fp, cmsghdr); 1502 break; 1503 } 1504 fputs("}", fp); 1505 first = false; 1506 } 1507 fputs("}", fp); 1508 free(cmsgbuf); 1509 } 1510 1511 static void 1512 print_sysctl_oid(FILE *fp, int *oid, size_t len) 1513 { 1514 size_t i; 1515 bool first; 1516 1517 first = true; 1518 fprintf(fp, "{ "); 1519 for (i = 0; i < len; i++) { 1520 fprintf(fp, "%s%d", first ? "" : ".", oid[i]); 1521 first = false; 1522 } 1523 fprintf(fp, " }"); 1524 } 1525 1526 static void 1527 print_sysctl(FILE *fp, int *oid, size_t len) 1528 { 1529 char name[BUFSIZ]; 1530 int qoid[CTL_MAXNAME + 2]; 1531 size_t i; 1532 1533 qoid[0] = CTL_SYSCTL; 1534 qoid[1] = CTL_SYSCTL_NAME; 1535 memcpy(qoid + 2, oid, len * sizeof(int)); 1536 i = sizeof(name); 1537 if (sysctl(qoid, len + 2, name, &i, 0, 0) == -1) 1538 print_sysctl_oid(fp, oid, len); 1539 else 1540 fprintf(fp, "%s", name); 1541 } 1542 1543 /* 1544 * Convert a 32-bit user-space pointer to psaddr_t. Currently, this 1545 * sign-extends on MIPS and zero-extends on all other architectures. 1546 */ 1547 static psaddr_t 1548 user_ptr32_to_psaddr(int32_t user_pointer) 1549 { 1550 #if defined(__mips__) 1551 return ((psaddr_t)(intptr_t)user_pointer); 1552 #else 1553 return ((psaddr_t)(uintptr_t)user_pointer); 1554 #endif 1555 } 1556 1557 /* 1558 * Converts a syscall argument into a string. Said string is 1559 * allocated via malloc(), so needs to be free()'d. sc is 1560 * a pointer to the syscall description (see above); args is 1561 * an array of all of the system call arguments. 1562 */ 1563 char * 1564 print_arg(struct syscall_arg *sc, syscallarg_t *args, syscallarg_t *retval, 1565 struct trussinfo *trussinfo) 1566 { 1567 FILE *fp; 1568 char *tmp; 1569 size_t tmplen; 1570 pid_t pid; 1571 1572 fp = open_memstream(&tmp, &tmplen); 1573 pid = trussinfo->curthread->proc->pid; 1574 switch (sc->type & ARG_MASK) { 1575 case Hex: 1576 fprintf(fp, "0x%x", (int)args[sc->offset]); 1577 break; 1578 case Octal: 1579 fprintf(fp, "0%o", (int)args[sc->offset]); 1580 break; 1581 case Int: 1582 fprintf(fp, "%d", (int)args[sc->offset]); 1583 break; 1584 case UInt: 1585 fprintf(fp, "%u", (unsigned int)args[sc->offset]); 1586 break; 1587 case PUInt: { 1588 unsigned int val; 1589 1590 if (get_struct(pid, args[sc->offset], &val, 1591 sizeof(val)) == 0) 1592 fprintf(fp, "{ %u }", val); 1593 else 1594 print_pointer(fp, args[sc->offset]); 1595 break; 1596 } 1597 case LongHex: 1598 fprintf(fp, "0x%lx", (long)args[sc->offset]); 1599 break; 1600 case Long: 1601 fprintf(fp, "%ld", (long)args[sc->offset]); 1602 break; 1603 case Sizet: 1604 fprintf(fp, "%zu", (size_t)args[sc->offset]); 1605 break; 1606 case ShmName: 1607 /* Handle special SHM_ANON value. */ 1608 if ((char *)(uintptr_t)args[sc->offset] == SHM_ANON) { 1609 fprintf(fp, "SHM_ANON"); 1610 break; 1611 } 1612 /* FALLTHROUGH */ 1613 case Name: { 1614 /* NULL-terminated string. */ 1615 char *tmp2; 1616 1617 tmp2 = get_string(pid, args[sc->offset], 0); 1618 fprintf(fp, "\"%s\"", tmp2); 1619 free(tmp2); 1620 break; 1621 } 1622 case BinString: { 1623 /* 1624 * Binary block of data that might have printable characters. 1625 * XXX If type|OUT, assume that the length is the syscall's 1626 * return value. Otherwise, assume that the length of the block 1627 * is in the next syscall argument. 1628 */ 1629 int max_string = trussinfo->strsize; 1630 char tmp2[max_string + 1], *tmp3; 1631 int len; 1632 int truncated = 0; 1633 1634 if (sc->type & OUT) 1635 len = retval[0]; 1636 else 1637 len = args[sc->offset + 1]; 1638 1639 /* 1640 * Don't print more than max_string characters, to avoid word 1641 * wrap. If we have to truncate put some ... after the string. 1642 */ 1643 if (len > max_string) { 1644 len = max_string; 1645 truncated = 1; 1646 } 1647 if (len && get_struct(pid, args[sc->offset], &tmp2, len) 1648 != -1) { 1649 tmp3 = malloc(len * 4 + 1); 1650 while (len) { 1651 if (strvisx(tmp3, tmp2, len, 1652 VIS_CSTYLE|VIS_TAB|VIS_NL) <= max_string) 1653 break; 1654 len--; 1655 truncated = 1; 1656 } 1657 fprintf(fp, "\"%s\"%s", tmp3, truncated ? 1658 "..." : ""); 1659 free(tmp3); 1660 } else { 1661 print_pointer(fp, args[sc->offset]); 1662 } 1663 break; 1664 } 1665 case ExecArgs: 1666 case ExecEnv: 1667 case StringArray: { 1668 psaddr_t addr; 1669 union { 1670 int32_t strarray32[PAGE_SIZE / sizeof(int32_t)]; 1671 int64_t strarray64[PAGE_SIZE / sizeof(int64_t)]; 1672 char buf[PAGE_SIZE]; 1673 } u; 1674 char *string; 1675 size_t len; 1676 u_int first, i; 1677 size_t pointer_size = 1678 trussinfo->curthread->proc->abi->pointer_size; 1679 1680 /* 1681 * Only parse argv[] and environment arrays from exec calls 1682 * if requested. 1683 */ 1684 if (((sc->type & ARG_MASK) == ExecArgs && 1685 (trussinfo->flags & EXECVEARGS) == 0) || 1686 ((sc->type & ARG_MASK) == ExecEnv && 1687 (trussinfo->flags & EXECVEENVS) == 0)) { 1688 print_pointer(fp, args[sc->offset]); 1689 break; 1690 } 1691 1692 /* 1693 * Read a page of pointers at a time. Punt if the top-level 1694 * pointer is not aligned. Note that the first read is of 1695 * a partial page. 1696 */ 1697 addr = args[sc->offset]; 1698 if (!__is_aligned(addr, pointer_size)) { 1699 print_pointer(fp, args[sc->offset]); 1700 break; 1701 } 1702 1703 len = PAGE_SIZE - (addr & PAGE_MASK); 1704 if (get_struct(pid, addr, u.buf, len) == -1) { 1705 print_pointer(fp, args[sc->offset]); 1706 break; 1707 } 1708 assert(len > 0); 1709 1710 fputc('[', fp); 1711 first = 1; 1712 i = 0; 1713 for (;;) { 1714 psaddr_t straddr; 1715 if (pointer_size == 4) { 1716 straddr = user_ptr32_to_psaddr(u.strarray32[i]); 1717 } else if (pointer_size == 8) { 1718 straddr = (psaddr_t)u.strarray64[i]; 1719 } else { 1720 errx(1, "Unsupported pointer size: %zu", 1721 pointer_size); 1722 } 1723 1724 /* Stop once we read the first NULL pointer. */ 1725 if (straddr == 0) 1726 break; 1727 string = get_string(pid, straddr, 0); 1728 fprintf(fp, "%s \"%s\"", first ? "" : ",", string); 1729 free(string); 1730 first = 0; 1731 1732 i++; 1733 if (i == len / pointer_size) { 1734 addr += len; 1735 len = PAGE_SIZE; 1736 if (get_struct(pid, addr, u.buf, len) == -1) { 1737 fprintf(fp, ", <inval>"); 1738 break; 1739 } 1740 i = 0; 1741 } 1742 } 1743 fputs(" ]", fp); 1744 break; 1745 } 1746 case Quad: 1747 case QuadHex: { 1748 uint64_t value; 1749 size_t pointer_size = 1750 trussinfo->curthread->proc->abi->pointer_size; 1751 1752 if (pointer_size == 4) { 1753 #if _BYTE_ORDER == _LITTLE_ENDIAN 1754 value = (uint64_t)args[sc->offset + 1] << 32 | 1755 args[sc->offset]; 1756 #else 1757 value = (uint64_t)args[sc->offset] << 32 | 1758 args[sc->offset + 1]; 1759 #endif 1760 } else { 1761 value = (uint64_t)args[sc->offset]; 1762 } 1763 if ((sc->type & ARG_MASK) == Quad) 1764 fprintf(fp, "%jd", (intmax_t)value); 1765 else 1766 fprintf(fp, "0x%jx", (intmax_t)value); 1767 break; 1768 } 1769 case PQuadHex: { 1770 uint64_t val; 1771 1772 if (get_struct(pid, args[sc->offset], &val, 1773 sizeof(val)) == 0) 1774 fprintf(fp, "{ 0x%jx }", (uintmax_t)val); 1775 else 1776 print_pointer(fp, args[sc->offset]); 1777 break; 1778 } 1779 case Ptr: 1780 print_pointer(fp, args[sc->offset]); 1781 break; 1782 case Readlinkres: { 1783 char *tmp2; 1784 1785 if (retval[0] == -1) 1786 break; 1787 tmp2 = get_string(pid, args[sc->offset], retval[0]); 1788 fprintf(fp, "\"%s\"", tmp2); 1789 free(tmp2); 1790 break; 1791 } 1792 case Ioctl: { 1793 const char *temp; 1794 unsigned long cmd; 1795 1796 cmd = args[sc->offset]; 1797 temp = sysdecode_ioctlname(cmd); 1798 if (temp) 1799 fputs(temp, fp); 1800 else { 1801 fprintf(fp, "0x%lx { IO%s%s 0x%lx('%c'), %lu, %lu }", 1802 cmd, cmd & IOC_OUT ? "R" : "", 1803 cmd & IOC_IN ? "W" : "", IOCGROUP(cmd), 1804 isprint(IOCGROUP(cmd)) ? (char)IOCGROUP(cmd) : '?', 1805 cmd & 0xFF, IOCPARM_LEN(cmd)); 1806 } 1807 break; 1808 } 1809 case Timespec: { 1810 struct timespec ts; 1811 1812 if (get_struct(pid, args[sc->offset], &ts, sizeof(ts)) != -1) 1813 fprintf(fp, "{ %jd.%09ld }", (intmax_t)ts.tv_sec, 1814 ts.tv_nsec); 1815 else 1816 print_pointer(fp, args[sc->offset]); 1817 break; 1818 } 1819 case Timespec2: { 1820 struct timespec ts[2]; 1821 const char *sep; 1822 unsigned int i; 1823 1824 if (get_struct(pid, args[sc->offset], &ts, sizeof(ts)) != -1) { 1825 fputs("{ ", fp); 1826 sep = ""; 1827 for (i = 0; i < nitems(ts); i++) { 1828 fputs(sep, fp); 1829 sep = ", "; 1830 switch (ts[i].tv_nsec) { 1831 case UTIME_NOW: 1832 fprintf(fp, "UTIME_NOW"); 1833 break; 1834 case UTIME_OMIT: 1835 fprintf(fp, "UTIME_OMIT"); 1836 break; 1837 default: 1838 fprintf(fp, "%jd.%09ld", 1839 (intmax_t)ts[i].tv_sec, 1840 ts[i].tv_nsec); 1841 break; 1842 } 1843 } 1844 fputs(" }", fp); 1845 } else 1846 print_pointer(fp, args[sc->offset]); 1847 break; 1848 } 1849 case Timeval: { 1850 struct timeval tv; 1851 1852 if (get_struct(pid, args[sc->offset], &tv, sizeof(tv)) != -1) 1853 fprintf(fp, "{ %jd.%06ld }", (intmax_t)tv.tv_sec, 1854 tv.tv_usec); 1855 else 1856 print_pointer(fp, args[sc->offset]); 1857 break; 1858 } 1859 case Timeval2: { 1860 struct timeval tv[2]; 1861 1862 if (get_struct(pid, args[sc->offset], &tv, sizeof(tv)) != -1) 1863 fprintf(fp, "{ %jd.%06ld, %jd.%06ld }", 1864 (intmax_t)tv[0].tv_sec, tv[0].tv_usec, 1865 (intmax_t)tv[1].tv_sec, tv[1].tv_usec); 1866 else 1867 print_pointer(fp, args[sc->offset]); 1868 break; 1869 } 1870 case Itimerval: { 1871 struct itimerval itv; 1872 1873 if (get_struct(pid, args[sc->offset], &itv, sizeof(itv)) != -1) 1874 fprintf(fp, "{ %jd.%06ld, %jd.%06ld }", 1875 (intmax_t)itv.it_interval.tv_sec, 1876 itv.it_interval.tv_usec, 1877 (intmax_t)itv.it_value.tv_sec, 1878 itv.it_value.tv_usec); 1879 else 1880 print_pointer(fp, args[sc->offset]); 1881 break; 1882 } 1883 case LinuxSockArgs: 1884 { 1885 struct linux_socketcall_args largs; 1886 1887 if (get_struct(pid, args[sc->offset], (void *)&largs, 1888 sizeof(largs)) != -1) 1889 fprintf(fp, "{ %s, 0x%lx }", 1890 lookup(linux_socketcall_ops, largs.what, 10), 1891 (long unsigned int)largs.args); 1892 else 1893 print_pointer(fp, args[sc->offset]); 1894 break; 1895 } 1896 case Pollfd: { 1897 /* 1898 * XXX: A Pollfd argument expects the /next/ syscall argument 1899 * to be the number of fds in the array. This matches the poll 1900 * syscall. 1901 */ 1902 struct pollfd *pfd; 1903 int numfds = args[sc->offset + 1]; 1904 size_t bytes = sizeof(struct pollfd) * numfds; 1905 int i; 1906 1907 if ((pfd = malloc(bytes)) == NULL) 1908 err(1, "Cannot malloc %zu bytes for pollfd array", 1909 bytes); 1910 if (get_struct(pid, args[sc->offset], pfd, bytes) != -1) { 1911 fputs("{", fp); 1912 for (i = 0; i < numfds; i++) { 1913 fprintf(fp, " %d/%s", pfd[i].fd, 1914 xlookup_bits(poll_flags, pfd[i].events)); 1915 } 1916 fputs(" }", fp); 1917 } else { 1918 print_pointer(fp, args[sc->offset]); 1919 } 1920 free(pfd); 1921 break; 1922 } 1923 case Fd_set: { 1924 /* 1925 * XXX: A Fd_set argument expects the /first/ syscall argument 1926 * to be the number of fds in the array. This matches the 1927 * select syscall. 1928 */ 1929 fd_set *fds; 1930 int numfds = args[0]; 1931 size_t bytes = _howmany(numfds, _NFDBITS) * _NFDBITS; 1932 int i; 1933 1934 if ((fds = malloc(bytes)) == NULL) 1935 err(1, "Cannot malloc %zu bytes for fd_set array", 1936 bytes); 1937 if (get_struct(pid, args[sc->offset], fds, bytes) != -1) { 1938 fputs("{", fp); 1939 for (i = 0; i < numfds; i++) { 1940 if (FD_ISSET(i, fds)) 1941 fprintf(fp, " %d", i); 1942 } 1943 fputs(" }", fp); 1944 } else 1945 print_pointer(fp, args[sc->offset]); 1946 free(fds); 1947 break; 1948 } 1949 case Signal: 1950 fputs(strsig2(args[sc->offset]), fp); 1951 break; 1952 case Sigset: { 1953 sigset_t ss; 1954 int i, first; 1955 1956 if (get_struct(pid, args[sc->offset], (void *)&ss, 1957 sizeof(ss)) == -1) { 1958 print_pointer(fp, args[sc->offset]); 1959 break; 1960 } 1961 fputs("{ ", fp); 1962 first = 1; 1963 for (i = 1; i < sys_nsig; i++) { 1964 if (sigismember(&ss, i)) { 1965 fprintf(fp, "%s%s", !first ? "|" : "", 1966 strsig2(i)); 1967 first = 0; 1968 } 1969 } 1970 if (!first) 1971 fputc(' ', fp); 1972 fputc('}', fp); 1973 break; 1974 } 1975 case Sigprocmask: 1976 print_integer_arg(sysdecode_sigprocmask_how, fp, 1977 args[sc->offset]); 1978 break; 1979 case Fcntlflag: 1980 /* XXX: Output depends on the value of the previous argument. */ 1981 if (sysdecode_fcntl_arg_p(args[sc->offset - 1])) 1982 sysdecode_fcntl_arg(fp, args[sc->offset - 1], 1983 args[sc->offset], 16); 1984 break; 1985 case Open: 1986 print_mask_arg(sysdecode_open_flags, fp, args[sc->offset]); 1987 break; 1988 case Fcntl: 1989 print_integer_arg(sysdecode_fcntl_cmd, fp, args[sc->offset]); 1990 break; 1991 case Closerangeflags: 1992 print_mask_arg(sysdecode_close_range_flags, fp, args[sc->offset]); 1993 break; 1994 case Mprot: 1995 print_mask_arg(sysdecode_mmap_prot, fp, args[sc->offset]); 1996 break; 1997 case Mmapflags: 1998 print_mask_arg(sysdecode_mmap_flags, fp, args[sc->offset]); 1999 break; 2000 case Whence: 2001 print_integer_arg(sysdecode_whence, fp, args[sc->offset]); 2002 break; 2003 case ShmFlags: 2004 print_mask_arg(sysdecode_shmflags, fp, args[sc->offset]); 2005 break; 2006 case Sockdomain: 2007 print_integer_arg(sysdecode_socketdomain, fp, args[sc->offset]); 2008 break; 2009 case Socktype: 2010 print_mask_arg(sysdecode_socket_type, fp, args[sc->offset]); 2011 break; 2012 case Shutdown: 2013 print_integer_arg(sysdecode_shutdown_how, fp, args[sc->offset]); 2014 break; 2015 case Resource: 2016 print_integer_arg(sysdecode_rlimit, fp, args[sc->offset]); 2017 break; 2018 case RusageWho: 2019 print_integer_arg(sysdecode_getrusage_who, fp, args[sc->offset]); 2020 break; 2021 case Pathconf: 2022 print_integer_arg(sysdecode_pathconf_name, fp, args[sc->offset]); 2023 break; 2024 case Rforkflags: 2025 print_mask_arg(sysdecode_rfork_flags, fp, args[sc->offset]); 2026 break; 2027 case Sockaddr: { 2028 socklen_t len; 2029 2030 if (args[sc->offset] == 0) { 2031 fputs("NULL", fp); 2032 break; 2033 } 2034 2035 /* 2036 * Extract the address length from the next argument. If 2037 * this is an output sockaddr (OUT is set), then the 2038 * next argument is a pointer to a socklen_t. Otherwise 2039 * the next argument contains a socklen_t by value. 2040 */ 2041 if (sc->type & OUT) { 2042 if (get_struct(pid, args[sc->offset + 1], &len, 2043 sizeof(len)) == -1) { 2044 print_pointer(fp, args[sc->offset]); 2045 break; 2046 } 2047 } else 2048 len = args[sc->offset + 1]; 2049 2050 print_sockaddr(fp, trussinfo, args[sc->offset], len); 2051 break; 2052 } 2053 case Sigaction: { 2054 struct sigaction sa; 2055 2056 if (get_struct(pid, args[sc->offset], &sa, sizeof(sa)) != -1) { 2057 fputs("{ ", fp); 2058 if (sa.sa_handler == SIG_DFL) 2059 fputs("SIG_DFL", fp); 2060 else if (sa.sa_handler == SIG_IGN) 2061 fputs("SIG_IGN", fp); 2062 else 2063 fprintf(fp, "%p", sa.sa_handler); 2064 fprintf(fp, " %s ss_t }", 2065 xlookup_bits(sigaction_flags, sa.sa_flags)); 2066 } else 2067 print_pointer(fp, args[sc->offset]); 2068 break; 2069 } 2070 case Sigevent: { 2071 struct sigevent se; 2072 2073 if (get_struct(pid, args[sc->offset], &se, sizeof(se)) != -1) 2074 print_sigevent(fp, &se); 2075 else 2076 print_pointer(fp, args[sc->offset]); 2077 break; 2078 } 2079 case Kevent: { 2080 /* 2081 * XXX XXX: The size of the array is determined by either the 2082 * next syscall argument, or by the syscall return value, 2083 * depending on which argument number we are. This matches the 2084 * kevent syscall, but luckily that's the only syscall that uses 2085 * them. 2086 */ 2087 struct kevent *ke; 2088 int numevents = -1; 2089 size_t bytes; 2090 int i; 2091 2092 if (sc->offset == 1) 2093 numevents = args[sc->offset+1]; 2094 else if (sc->offset == 3 && retval[0] != -1) 2095 numevents = retval[0]; 2096 2097 if (numevents >= 0) { 2098 bytes = sizeof(struct kevent) * numevents; 2099 if ((ke = malloc(bytes)) == NULL) 2100 err(1, 2101 "Cannot malloc %zu bytes for kevent array", 2102 bytes); 2103 } else 2104 ke = NULL; 2105 if (numevents >= 0 && get_struct(pid, args[sc->offset], 2106 ke, bytes) != -1) { 2107 fputc('{', fp); 2108 for (i = 0; i < numevents; i++) { 2109 fputc(' ', fp); 2110 print_kevent(fp, &ke[i]); 2111 } 2112 fputs(" }", fp); 2113 } else { 2114 print_pointer(fp, args[sc->offset]); 2115 } 2116 free(ke); 2117 break; 2118 } 2119 case Kevent11: { 2120 struct freebsd11_kevent *ke11; 2121 struct kevent ke; 2122 int numevents = -1; 2123 size_t bytes; 2124 int i; 2125 2126 if (sc->offset == 1) 2127 numevents = args[sc->offset+1]; 2128 else if (sc->offset == 3 && retval[0] != -1) 2129 numevents = retval[0]; 2130 2131 if (numevents >= 0) { 2132 bytes = sizeof(struct freebsd11_kevent) * numevents; 2133 if ((ke11 = malloc(bytes)) == NULL) 2134 err(1, 2135 "Cannot malloc %zu bytes for kevent array", 2136 bytes); 2137 } else 2138 ke11 = NULL; 2139 memset(&ke, 0, sizeof(ke)); 2140 if (numevents >= 0 && get_struct(pid, args[sc->offset], 2141 ke11, bytes) != -1) { 2142 fputc('{', fp); 2143 for (i = 0; i < numevents; i++) { 2144 fputc(' ', fp); 2145 ke.ident = ke11[i].ident; 2146 ke.filter = ke11[i].filter; 2147 ke.flags = ke11[i].flags; 2148 ke.fflags = ke11[i].fflags; 2149 ke.data = ke11[i].data; 2150 ke.udata = ke11[i].udata; 2151 print_kevent(fp, &ke); 2152 } 2153 fputs(" }", fp); 2154 } else { 2155 print_pointer(fp, args[sc->offset]); 2156 } 2157 free(ke11); 2158 break; 2159 } 2160 case Stat: { 2161 struct stat st; 2162 2163 if (get_struct(pid, args[sc->offset], &st, sizeof(st)) 2164 != -1) { 2165 char mode[12]; 2166 2167 strmode(st.st_mode, mode); 2168 fprintf(fp, 2169 "{ mode=%s,inode=%ju,size=%jd,blksize=%ld }", mode, 2170 (uintmax_t)st.st_ino, (intmax_t)st.st_size, 2171 (long)st.st_blksize); 2172 } else { 2173 print_pointer(fp, args[sc->offset]); 2174 } 2175 break; 2176 } 2177 case Stat11: { 2178 struct freebsd11_stat st; 2179 2180 if (get_struct(pid, args[sc->offset], &st, sizeof(st)) 2181 != -1) { 2182 char mode[12]; 2183 2184 strmode(st.st_mode, mode); 2185 fprintf(fp, 2186 "{ mode=%s,inode=%ju,size=%jd,blksize=%ld }", mode, 2187 (uintmax_t)st.st_ino, (intmax_t)st.st_size, 2188 (long)st.st_blksize); 2189 } else { 2190 print_pointer(fp, args[sc->offset]); 2191 } 2192 break; 2193 } 2194 case StatFs: { 2195 unsigned int i; 2196 struct statfs buf; 2197 2198 if (get_struct(pid, args[sc->offset], &buf, 2199 sizeof(buf)) != -1) { 2200 char fsid[17]; 2201 2202 bzero(fsid, sizeof(fsid)); 2203 if (buf.f_fsid.val[0] != 0 || buf.f_fsid.val[1] != 0) { 2204 for (i = 0; i < sizeof(buf.f_fsid); i++) 2205 snprintf(&fsid[i*2], 2206 sizeof(fsid) - (i*2), "%02x", 2207 ((u_char *)&buf.f_fsid)[i]); 2208 } 2209 fprintf(fp, 2210 "{ fstypename=%s,mntonname=%s,mntfromname=%s," 2211 "fsid=%s }", buf.f_fstypename, buf.f_mntonname, 2212 buf.f_mntfromname, fsid); 2213 } else 2214 print_pointer(fp, args[sc->offset]); 2215 break; 2216 } 2217 2218 case Rusage: { 2219 struct rusage ru; 2220 2221 if (get_struct(pid, args[sc->offset], &ru, sizeof(ru)) 2222 != -1) { 2223 fprintf(fp, 2224 "{ u=%jd.%06ld,s=%jd.%06ld,in=%ld,out=%ld }", 2225 (intmax_t)ru.ru_utime.tv_sec, ru.ru_utime.tv_usec, 2226 (intmax_t)ru.ru_stime.tv_sec, ru.ru_stime.tv_usec, 2227 ru.ru_inblock, ru.ru_oublock); 2228 } else 2229 print_pointer(fp, args[sc->offset]); 2230 break; 2231 } 2232 case Rlimit: { 2233 struct rlimit rl; 2234 2235 if (get_struct(pid, args[sc->offset], &rl, sizeof(rl)) 2236 != -1) { 2237 fprintf(fp, "{ cur=%ju,max=%ju }", 2238 rl.rlim_cur, rl.rlim_max); 2239 } else 2240 print_pointer(fp, args[sc->offset]); 2241 break; 2242 } 2243 case ExitStatus: { 2244 int status; 2245 2246 if (get_struct(pid, args[sc->offset], &status, 2247 sizeof(status)) != -1) { 2248 fputs("{ ", fp); 2249 if (WIFCONTINUED(status)) 2250 fputs("CONTINUED", fp); 2251 else if (WIFEXITED(status)) 2252 fprintf(fp, "EXITED,val=%d", 2253 WEXITSTATUS(status)); 2254 else if (WIFSIGNALED(status)) 2255 fprintf(fp, "SIGNALED,sig=%s%s", 2256 strsig2(WTERMSIG(status)), 2257 WCOREDUMP(status) ? ",cored" : ""); 2258 else 2259 fprintf(fp, "STOPPED,sig=%s", 2260 strsig2(WTERMSIG(status))); 2261 fputs(" }", fp); 2262 } else 2263 print_pointer(fp, args[sc->offset]); 2264 break; 2265 } 2266 case Waitoptions: 2267 print_mask_arg(sysdecode_wait6_options, fp, args[sc->offset]); 2268 break; 2269 case Idtype: 2270 print_integer_arg(sysdecode_idtype, fp, args[sc->offset]); 2271 break; 2272 case Procctl: 2273 print_integer_arg(sysdecode_procctl_cmd, fp, args[sc->offset]); 2274 break; 2275 case Umtxop: { 2276 int rem; 2277 2278 if (print_mask_arg_part(sysdecode_umtx_op_flags, fp, 2279 args[sc->offset], &rem)) 2280 fprintf(fp, "|"); 2281 print_integer_arg(sysdecode_umtx_op, fp, rem); 2282 break; 2283 } 2284 case Atfd: 2285 print_integer_arg(sysdecode_atfd, fp, args[sc->offset]); 2286 break; 2287 case Atflags: 2288 print_mask_arg(sysdecode_atflags, fp, args[sc->offset]); 2289 break; 2290 case Accessmode: 2291 print_mask_arg(sysdecode_access_mode, fp, args[sc->offset]); 2292 break; 2293 case Sysarch: 2294 print_integer_arg(sysdecode_sysarch_number, fp, 2295 args[sc->offset]); 2296 break; 2297 case Sysctl: { 2298 char name[BUFSIZ]; 2299 int oid[CTL_MAXNAME + 2]; 2300 size_t len; 2301 2302 memset(name, 0, sizeof(name)); 2303 len = args[sc->offset + 1]; 2304 if (get_struct(pid, args[sc->offset], oid, 2305 len * sizeof(oid[0])) != -1) { 2306 fprintf(fp, "\""); 2307 if (oid[0] == CTL_SYSCTL) { 2308 fprintf(fp, "sysctl."); 2309 switch (oid[1]) { 2310 case CTL_SYSCTL_DEBUG: 2311 fprintf(fp, "debug"); 2312 break; 2313 case CTL_SYSCTL_NAME: 2314 fprintf(fp, "name "); 2315 print_sysctl_oid(fp, oid + 2, len - 2); 2316 break; 2317 case CTL_SYSCTL_NEXT: 2318 fprintf(fp, "next"); 2319 break; 2320 case CTL_SYSCTL_NAME2OID: 2321 fprintf(fp, "name2oid %s", 2322 get_string(pid, 2323 args[sc->offset + 4], 2324 args[sc->offset + 5])); 2325 break; 2326 case CTL_SYSCTL_OIDFMT: 2327 fprintf(fp, "oidfmt "); 2328 print_sysctl(fp, oid + 2, len - 2); 2329 break; 2330 case CTL_SYSCTL_OIDDESCR: 2331 fprintf(fp, "oiddescr "); 2332 print_sysctl(fp, oid + 2, len - 2); 2333 break; 2334 case CTL_SYSCTL_OIDLABEL: 2335 fprintf(fp, "oidlabel "); 2336 print_sysctl(fp, oid + 2, len - 2); 2337 break; 2338 case CTL_SYSCTL_NEXTNOSKIP: 2339 fprintf(fp, "nextnoskip"); 2340 break; 2341 default: 2342 print_sysctl(fp, oid + 1, len - 1); 2343 } 2344 } else { 2345 print_sysctl(fp, oid, len); 2346 } 2347 fprintf(fp, "\""); 2348 } 2349 break; 2350 } 2351 case PipeFds: 2352 /* 2353 * The pipe() system call in the kernel returns its 2354 * two file descriptors via return values. However, 2355 * the interface exposed by libc is that pipe() 2356 * accepts a pointer to an array of descriptors. 2357 * Format the output to match the libc API by printing 2358 * the returned file descriptors as a fake argument. 2359 * 2360 * Overwrite the first retval to signal a successful 2361 * return as well. 2362 */ 2363 fprintf(fp, "{ %d, %d }", (int)retval[0], (int)retval[1]); 2364 retval[0] = 0; 2365 break; 2366 case Utrace: { 2367 size_t len; 2368 void *utrace_addr; 2369 2370 len = args[sc->offset + 1]; 2371 utrace_addr = calloc(1, len); 2372 if (get_struct(pid, args[sc->offset], 2373 (void *)utrace_addr, len) != -1) 2374 print_utrace(fp, utrace_addr, len); 2375 else 2376 print_pointer(fp, args[sc->offset]); 2377 free(utrace_addr); 2378 break; 2379 } 2380 case IntArray: { 2381 int descriptors[16]; 2382 unsigned long i, ndescriptors; 2383 bool truncated; 2384 2385 ndescriptors = args[sc->offset + 1]; 2386 truncated = false; 2387 if (ndescriptors > nitems(descriptors)) { 2388 ndescriptors = nitems(descriptors); 2389 truncated = true; 2390 } 2391 if (get_struct(pid, args[sc->offset], 2392 descriptors, ndescriptors * sizeof(descriptors[0])) != -1) { 2393 fprintf(fp, "{"); 2394 for (i = 0; i < ndescriptors; i++) 2395 fprintf(fp, i == 0 ? " %d" : ", %d", 2396 descriptors[i]); 2397 fprintf(fp, truncated ? ", ... }" : " }"); 2398 } else 2399 print_pointer(fp, args[sc->offset]); 2400 break; 2401 } 2402 case Pipe2: 2403 print_mask_arg(sysdecode_pipe2_flags, fp, args[sc->offset]); 2404 break; 2405 case CapFcntlRights: { 2406 uint32_t rights; 2407 2408 if (sc->type & OUT) { 2409 if (get_struct(pid, args[sc->offset], &rights, 2410 sizeof(rights)) == -1) { 2411 print_pointer(fp, args[sc->offset]); 2412 break; 2413 } 2414 } else 2415 rights = args[sc->offset]; 2416 print_mask_arg32(sysdecode_cap_fcntlrights, fp, rights); 2417 break; 2418 } 2419 case Fadvice: 2420 print_integer_arg(sysdecode_fadvice, fp, args[sc->offset]); 2421 break; 2422 case FileFlags: { 2423 fflags_t rem; 2424 2425 if (!sysdecode_fileflags(fp, args[sc->offset], &rem)) 2426 fprintf(fp, "0x%x", rem); 2427 else if (rem != 0) 2428 fprintf(fp, "|0x%x", rem); 2429 break; 2430 } 2431 case Flockop: 2432 print_mask_arg(sysdecode_flock_operation, fp, args[sc->offset]); 2433 break; 2434 case Getfsstatmode: 2435 print_integer_arg(sysdecode_getfsstat_mode, fp, 2436 args[sc->offset]); 2437 break; 2438 case Kldsymcmd: 2439 print_integer_arg(sysdecode_kldsym_cmd, fp, args[sc->offset]); 2440 break; 2441 case Kldunloadflags: 2442 print_integer_arg(sysdecode_kldunload_flags, fp, 2443 args[sc->offset]); 2444 break; 2445 case AiofsyncOp: 2446 fputs(xlookup(aio_fsync_ops, args[sc->offset]), fp); 2447 break; 2448 case LioMode: 2449 fputs(xlookup(lio_modes, args[sc->offset]), fp); 2450 break; 2451 case Madvice: 2452 print_integer_arg(sysdecode_madvice, fp, args[sc->offset]); 2453 break; 2454 case Socklent: 2455 fprintf(fp, "%u", (socklen_t)args[sc->offset]); 2456 break; 2457 case Sockprotocol: { 2458 const char *temp; 2459 int domain, protocol; 2460 2461 domain = args[sc->offset - 2]; 2462 protocol = args[sc->offset]; 2463 if (protocol == 0) { 2464 fputs("0", fp); 2465 } else { 2466 temp = sysdecode_socket_protocol(domain, protocol); 2467 if (temp) { 2468 fputs(temp, fp); 2469 } else { 2470 fprintf(fp, "%d", protocol); 2471 } 2472 } 2473 break; 2474 } 2475 case Sockoptlevel: 2476 print_integer_arg(sysdecode_sockopt_level, fp, 2477 args[sc->offset]); 2478 break; 2479 case Sockoptname: { 2480 const char *temp; 2481 int level, name; 2482 2483 level = args[sc->offset - 1]; 2484 name = args[sc->offset]; 2485 temp = sysdecode_sockopt_name(level, name); 2486 if (temp) { 2487 fputs(temp, fp); 2488 } else { 2489 fprintf(fp, "%d", name); 2490 } 2491 break; 2492 } 2493 case Msgflags: 2494 print_mask_arg(sysdecode_msg_flags, fp, args[sc->offset]); 2495 break; 2496 case CapRights: { 2497 cap_rights_t rights; 2498 2499 if (get_struct(pid, args[sc->offset], &rights, 2500 sizeof(rights)) != -1) { 2501 fputs("{ ", fp); 2502 sysdecode_cap_rights(fp, &rights); 2503 fputs(" }", fp); 2504 } else 2505 print_pointer(fp, args[sc->offset]); 2506 break; 2507 } 2508 case Acltype: 2509 print_integer_arg(sysdecode_acltype, fp, args[sc->offset]); 2510 break; 2511 case Extattrnamespace: 2512 print_integer_arg(sysdecode_extattrnamespace, fp, 2513 args[sc->offset]); 2514 break; 2515 case Minherit: 2516 print_integer_arg(sysdecode_minherit_inherit, fp, 2517 args[sc->offset]); 2518 break; 2519 case Mlockall: 2520 print_mask_arg(sysdecode_mlockall_flags, fp, args[sc->offset]); 2521 break; 2522 case Mountflags: 2523 print_mask_arg(sysdecode_mount_flags, fp, args[sc->offset]); 2524 break; 2525 case Msync: 2526 print_mask_arg(sysdecode_msync_flags, fp, args[sc->offset]); 2527 break; 2528 case Priowhich: 2529 print_integer_arg(sysdecode_prio_which, fp, args[sc->offset]); 2530 break; 2531 case Ptraceop: 2532 print_integer_arg(sysdecode_ptrace_request, fp, 2533 args[sc->offset]); 2534 break; 2535 case Sendfileflags: 2536 print_mask_arg(sysdecode_sendfile_flags, fp, args[sc->offset]); 2537 break; 2538 case Sendfilehdtr: { 2539 struct sf_hdtr hdtr; 2540 2541 if (get_struct(pid, args[sc->offset], &hdtr, sizeof(hdtr)) != 2542 -1) { 2543 fprintf(fp, "{"); 2544 print_iovec(fp, trussinfo, (uintptr_t)hdtr.headers, 2545 hdtr.hdr_cnt); 2546 print_iovec(fp, trussinfo, (uintptr_t)hdtr.trailers, 2547 hdtr.trl_cnt); 2548 fprintf(fp, "}"); 2549 } else 2550 print_pointer(fp, args[sc->offset]); 2551 break; 2552 } 2553 case Quotactlcmd: 2554 if (!sysdecode_quotactl_cmd(fp, args[sc->offset])) 2555 fprintf(fp, "%#x", (int)args[sc->offset]); 2556 break; 2557 case Reboothowto: 2558 print_mask_arg(sysdecode_reboot_howto, fp, args[sc->offset]); 2559 break; 2560 case Rtpriofunc: 2561 print_integer_arg(sysdecode_rtprio_function, fp, 2562 args[sc->offset]); 2563 break; 2564 case Schedpolicy: 2565 print_integer_arg(sysdecode_scheduler_policy, fp, 2566 args[sc->offset]); 2567 break; 2568 case Schedparam: { 2569 struct sched_param sp; 2570 2571 if (get_struct(pid, args[sc->offset], &sp, sizeof(sp)) != -1) 2572 fprintf(fp, "{ %d }", sp.sched_priority); 2573 else 2574 print_pointer(fp, args[sc->offset]); 2575 break; 2576 } 2577 case PSig: { 2578 int sig; 2579 2580 if (get_struct(pid, args[sc->offset], &sig, sizeof(sig)) == 0) 2581 fprintf(fp, "{ %s }", strsig2(sig)); 2582 else 2583 print_pointer(fp, args[sc->offset]); 2584 break; 2585 } 2586 case Siginfo: { 2587 siginfo_t si; 2588 2589 if (get_struct(pid, args[sc->offset], &si, sizeof(si)) != -1) { 2590 fprintf(fp, "{ signo=%s", strsig2(si.si_signo)); 2591 decode_siginfo(fp, &si); 2592 fprintf(fp, " }"); 2593 } else 2594 print_pointer(fp, args[sc->offset]); 2595 break; 2596 } 2597 case Iovec: 2598 /* 2599 * Print argument as an array of struct iovec, where the next 2600 * syscall argument is the number of elements of the array. 2601 */ 2602 2603 print_iovec(fp, trussinfo, args[sc->offset], 2604 (int)args[sc->offset + 1]); 2605 break; 2606 case Aiocb: { 2607 struct aiocb cb; 2608 2609 if (get_struct(pid, args[sc->offset], &cb, sizeof(cb)) != -1) 2610 print_aiocb(fp, &cb); 2611 else 2612 print_pointer(fp, args[sc->offset]); 2613 break; 2614 } 2615 case AiocbArray: { 2616 /* 2617 * Print argment as an array of pointers to struct aiocb, where 2618 * the next syscall argument is the number of elements. 2619 */ 2620 uintptr_t cbs[16]; 2621 unsigned int nent; 2622 bool truncated; 2623 2624 nent = args[sc->offset + 1]; 2625 truncated = false; 2626 if (nent > nitems(cbs)) { 2627 nent = nitems(cbs); 2628 truncated = true; 2629 } 2630 2631 if (get_struct(pid, args[sc->offset], cbs, sizeof(uintptr_t) * nent) != -1) { 2632 unsigned int i; 2633 fputs("[", fp); 2634 for (i = 0; i < nent; ++i) { 2635 struct aiocb cb; 2636 if (i > 0) 2637 fputc(',', fp); 2638 if (get_struct(pid, cbs[i], &cb, sizeof(cb)) != -1) 2639 print_aiocb(fp, &cb); 2640 else 2641 print_pointer(fp, cbs[i]); 2642 } 2643 if (truncated) 2644 fputs(",...", fp); 2645 fputs("]", fp); 2646 } else 2647 print_pointer(fp, args[sc->offset]); 2648 break; 2649 } 2650 case AiocbPointer: { 2651 /* 2652 * aio_waitcomplete(2) assigns a pointer to a pointer to struct 2653 * aiocb, so we need to handle the extra layer of indirection. 2654 */ 2655 uintptr_t cbp; 2656 struct aiocb cb; 2657 2658 if (get_struct(pid, args[sc->offset], &cbp, sizeof(cbp)) != -1) { 2659 if (get_struct(pid, cbp, &cb, sizeof(cb)) != -1) 2660 print_aiocb(fp, &cb); 2661 else 2662 print_pointer(fp, cbp); 2663 } else 2664 print_pointer(fp, args[sc->offset]); 2665 break; 2666 } 2667 case Sctpsndrcvinfo: { 2668 struct sctp_sndrcvinfo info; 2669 2670 if (get_struct(pid, args[sc->offset], 2671 &info, sizeof(struct sctp_sndrcvinfo)) == -1) { 2672 print_pointer(fp, args[sc->offset]); 2673 break; 2674 } 2675 print_sctp_sndrcvinfo(fp, sc->type & OUT, &info); 2676 break; 2677 } 2678 case Msghdr: { 2679 struct msghdr msghdr; 2680 2681 if (get_struct(pid, args[sc->offset], 2682 &msghdr, sizeof(struct msghdr)) == -1) { 2683 print_pointer(fp, args[sc->offset]); 2684 break; 2685 } 2686 fputs("{", fp); 2687 print_sockaddr(fp, trussinfo, (uintptr_t)msghdr.msg_name, msghdr.msg_namelen); 2688 fprintf(fp, ",%d,", msghdr.msg_namelen); 2689 print_iovec(fp, trussinfo, (uintptr_t)msghdr.msg_iov, msghdr.msg_iovlen); 2690 fprintf(fp, ",%d,", msghdr.msg_iovlen); 2691 print_cmsgs(fp, pid, sc->type & OUT, &msghdr); 2692 fprintf(fp, ",%u,", msghdr.msg_controllen); 2693 print_mask_arg(sysdecode_msg_flags, fp, msghdr.msg_flags); 2694 fputs("}", fp); 2695 break; 2696 } 2697 2698 default: 2699 errx(1, "Invalid argument type %d\n", sc->type & ARG_MASK); 2700 } 2701 fclose(fp); 2702 return (tmp); 2703 } 2704 2705 /* 2706 * Print (to outfile) the system call and its arguments. 2707 */ 2708 void 2709 print_syscall(struct trussinfo *trussinfo) 2710 { 2711 struct threadinfo *t; 2712 const char *name; 2713 char **s_args; 2714 int i, len, nargs; 2715 2716 t = trussinfo->curthread; 2717 2718 name = t->cs.sc->name; 2719 nargs = t->cs.nargs; 2720 s_args = t->cs.s_args; 2721 2722 len = print_line_prefix(trussinfo); 2723 len += fprintf(trussinfo->outfile, "%s(", name); 2724 2725 for (i = 0; i < nargs; i++) { 2726 if (s_args[i] != NULL) 2727 len += fprintf(trussinfo->outfile, "%s", s_args[i]); 2728 else 2729 len += fprintf(trussinfo->outfile, 2730 "<missing argument>"); 2731 len += fprintf(trussinfo->outfile, "%s", i < (nargs - 1) ? 2732 "," : ""); 2733 } 2734 len += fprintf(trussinfo->outfile, ")"); 2735 for (i = 0; i < 6 - (len / 8); i++) 2736 fprintf(trussinfo->outfile, "\t"); 2737 } 2738 2739 void 2740 print_syscall_ret(struct trussinfo *trussinfo, int error, syscallarg_t *retval) 2741 { 2742 struct timespec timediff; 2743 struct threadinfo *t; 2744 struct syscall *sc; 2745 2746 t = trussinfo->curthread; 2747 sc = t->cs.sc; 2748 if (trussinfo->flags & COUNTONLY) { 2749 timespecsub(&t->after, &t->before, &timediff); 2750 timespecadd(&sc->time, &timediff, &sc->time); 2751 sc->ncalls++; 2752 if (error != 0) 2753 sc->nerror++; 2754 return; 2755 } 2756 2757 print_syscall(trussinfo); 2758 fflush(trussinfo->outfile); 2759 2760 if (retval == NULL) { 2761 /* 2762 * This system call resulted in the current thread's exit, 2763 * so there is no return value or error to display. 2764 */ 2765 fprintf(trussinfo->outfile, "\n"); 2766 return; 2767 } 2768 2769 if (error == ERESTART) 2770 fprintf(trussinfo->outfile, " ERESTART\n"); 2771 else if (error == EJUSTRETURN) 2772 fprintf(trussinfo->outfile, " EJUSTRETURN\n"); 2773 else if (error != 0) { 2774 fprintf(trussinfo->outfile, " ERR#%d '%s'\n", 2775 sysdecode_freebsd_to_abi_errno(t->proc->abi->abi, error), 2776 strerror(error)); 2777 } else if (sc->decode.ret_type == 2 && 2778 t->proc->abi->pointer_size == 4) { 2779 off_t off; 2780 #if _BYTE_ORDER == _LITTLE_ENDIAN 2781 off = (off_t)retval[1] << 32 | retval[0]; 2782 #else 2783 off = (off_t)retval[0] << 32 | retval[1]; 2784 #endif 2785 fprintf(trussinfo->outfile, " = %jd (0x%jx)\n", (intmax_t)off, 2786 (intmax_t)off); 2787 } else { 2788 fprintf(trussinfo->outfile, " = %jd (0x%jx)\n", 2789 (intmax_t)retval[0], (intmax_t)retval[0]); 2790 } 2791 } 2792 2793 void 2794 print_summary(struct trussinfo *trussinfo) 2795 { 2796 struct timespec total = {0, 0}; 2797 struct syscall *sc; 2798 int ncall, nerror; 2799 2800 fprintf(trussinfo->outfile, "%-20s%15s%8s%8s\n", 2801 "syscall", "seconds", "calls", "errors"); 2802 ncall = nerror = 0; 2803 STAILQ_FOREACH(sc, &seen_syscalls, entries) { 2804 if (sc->ncalls) { 2805 fprintf(trussinfo->outfile, "%-20s%5jd.%09ld%8d%8d\n", 2806 sc->name, (intmax_t)sc->time.tv_sec, 2807 sc->time.tv_nsec, sc->ncalls, sc->nerror); 2808 timespecadd(&total, &sc->time, &total); 2809 ncall += sc->ncalls; 2810 nerror += sc->nerror; 2811 } 2812 } 2813 fprintf(trussinfo->outfile, "%20s%15s%8s%8s\n", 2814 "", "-------------", "-------", "-------"); 2815 fprintf(trussinfo->outfile, "%-20s%5jd.%09ld%8d%8d\n", 2816 "", (intmax_t)total.tv_sec, total.tv_nsec, ncall, nerror); 2817 } 2818