compiler-rt/lib/sanitizer_common/sanitizer_platform_limits_freebsd.cpp

   1 //===-- sanitizer_platform_limits_freebsd.cpp -----------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8 //
   9 // This file is a part of Sanitizer common code.
  10 //
  11 // Sizes and layouts of platform-specific FreeBSD data structures.
  12 //===----------------------------------------------------------------------===//
  13
  14 #include "sanitizer_platform.h"
  15
  16 #if SANITIZER_FREEBSD
  17
  18 #include <sys/capsicum.h>
  19 #include <sys/consio.h>
  20 #include <sys/cpuset.h>
  21 #include <sys/filio.h>
  22 #include <sys/ipc.h>
  23 #include <sys/kbio.h>
  24 #include <sys/link_elf.h>
  25 #include <sys/mman.h>
  26 #include <sys/mount.h>
  27 #include <sys/mqueue.h>
  28 #include <sys/msg.h>
  29 #include <sys/mtio.h>
  30 #include <sys/ptrace.h>
  31 #include <sys/resource.h>
  32 #include <sys/signal.h>
  33 #include <sys/socket.h>
  34 #include <sys/sockio.h>
  35 #include <sys/soundcard.h>
  36 #include <sys/stat.h>
  37 #include <sys/statvfs.h>
  38 #include <sys/time.h>
  39 #pragma clang diagnostic push
  40 #pragma clang diagnostic ignored "-W#warnings"
  41 #include <sys/timeb.h>
  42 #pragma clang diagnostic pop
  43 #include <sys/times.h>
  44 #include <sys/timespec.h>
  45 #include <sys/types.h>
  46 #include <sys/ucontext.h>
  47 #include <sys/utsname.h>
  48 //
  49 #include <arpa/inet.h>
  50 #include <net/ethernet.h>
  51 #include <net/if.h>
  52 #include <net/ppp_defs.h>
  53 #include <net/route.h>
  54 #include <netdb.h>
  55 #include <netinet/in.h>
  56 #include <netinet/ip_mroute.h>
  57 //
  58 #include <dirent.h>
  59 #include <dlfcn.h>
  60 #include <fstab.h>
  61 #include <fts.h>
  62 #include <glob.h>
  63 #include <grp.h>
  64 #include <ifaddrs.h>
  65 #include <limits.h>
  66 #include <poll.h>
  67 #include <pthread.h>
  68 #include <pwd.h>
  69 #include <regex.h>
  70 #include <semaphore.h>
  71 #include <signal.h>
  72 #include <stddef.h>
  73 #include <md5.h>
  74 #include <sha224.h>
  75 #include <sha256.h>
  76 #include <sha384.h>
  77 #include <sha512.h>
  78 #include <stdio.h>
  79 #include <stringlist.h>
  80 #include <term.h>
  81 #include <termios.h>
  82 #include <time.h>
  83 #include <ttyent.h>
  84 #include <utime.h>
  85 #include <utmpx.h>
  86 #include <vis.h>
  87 #include <wchar.h>
  88 #include <wordexp.h>
  89
  90 #define _KERNEL  // to declare 'shminfo' structure
  91 #include <sys/shm.h>
  92 #undef _KERNEL
  93
  94 #undef IOC_DIRMASK
  95
  96 // Include these after system headers to avoid name clashes and ambiguities.
  97 #include "sanitizer_internal_defs.h"
  98 #include "sanitizer_libc.h"
  99 #include "sanitizer_platform_limits_freebsd.h"
 100
 101 namespace __sanitizer {
 102 void *__sanitizer_get_link_map_by_dlopen_handle(void *handle) {
 103   void *p = nullptr;
 104   return internal_dlinfo(handle, RTLD_DI_LINKMAP, &p) == 0 ? p : nullptr;
 105 }
 106
 107 unsigned struct_cpuset_sz = sizeof(cpuset_t);
 108 unsigned struct_cap_rights_sz = sizeof(cap_rights_t);
 109 unsigned struct_utsname_sz = sizeof(struct utsname);
 110 unsigned struct_stat_sz = sizeof(struct stat);
 111 unsigned struct_rusage_sz = sizeof(struct rusage);
 112 unsigned struct_tm_sz = sizeof(struct tm);
 113 unsigned struct_passwd_sz = sizeof(struct passwd);
 114 unsigned struct_group_sz = sizeof(struct group);
 115 unsigned siginfo_t_sz = sizeof(siginfo_t);
 116 unsigned struct_sigaction_sz = sizeof(struct sigaction);
 117 unsigned struct_stack_t_sz = sizeof(stack_t);
 118 unsigned struct_itimerval_sz = sizeof(struct itimerval);
 119 unsigned pthread_t_sz = sizeof(pthread_t);
 120 unsigned pthread_mutex_t_sz = sizeof(pthread_mutex_t);
 121 unsigned pthread_cond_t_sz = sizeof(pthread_cond_t);
 122 unsigned pid_t_sz = sizeof(pid_t);
 123 unsigned timeval_sz = sizeof(timeval);
 124 unsigned uid_t_sz = sizeof(uid_t);
 125 unsigned gid_t_sz = sizeof(gid_t);
 126 unsigned fpos_t_sz = sizeof(fpos_t);
 127 unsigned mbstate_t_sz = sizeof(mbstate_t);
 128 unsigned sigset_t_sz = sizeof(sigset_t);
 129 unsigned struct_timezone_sz = sizeof(struct timezone);
 130 unsigned struct_tms_sz = sizeof(struct tms);
 131 unsigned struct_sigevent_sz = sizeof(struct sigevent);
 132 unsigned struct_sched_param_sz = sizeof(struct sched_param);
 133 unsigned struct_statfs_sz = sizeof(struct statfs);
 134 unsigned struct_sockaddr_sz = sizeof(struct sockaddr);
 135 unsigned ucontext_t_sz(void *ctx) { return sizeof(ucontext_t); }
 136 unsigned struct_rlimit_sz = sizeof(struct rlimit);
 137 unsigned struct_timespec_sz = sizeof(struct timespec);
 138 unsigned struct_utimbuf_sz = sizeof(struct utimbuf);
 139 unsigned struct_itimerspec_sz = sizeof(struct itimerspec);
 140 unsigned struct_timeb_sz = sizeof(struct timeb);
 141 unsigned struct_msqid_ds_sz = sizeof(struct msqid_ds);
 142 unsigned struct_mq_attr_sz = sizeof(struct mq_attr);
 143 unsigned struct_statvfs_sz = sizeof(struct statvfs);
 144 unsigned struct_shminfo_sz = sizeof(struct shminfo);
 145 unsigned struct_shm_info_sz = sizeof(struct shm_info);
 146 unsigned struct_regmatch_sz = sizeof(regmatch_t);
 147 unsigned struct_regex_sz = sizeof(regex_t);
 148 unsigned struct_fstab_sz = sizeof(struct fstab);
 149 unsigned struct_FTS_sz = sizeof(FTS);
 150 unsigned struct_FTSENT_sz = sizeof(FTSENT);
 151 unsigned struct_StringList_sz = sizeof(StringList);
 152
 153 const uptr sig_ign = (uptr)SIG_IGN;
 154 const uptr sig_dfl = (uptr)SIG_DFL;
 155 const uptr sig_err = (uptr)SIG_ERR;
 156 const uptr sa_siginfo = (uptr)SA_SIGINFO;
 157
 158 int shmctl_ipc_stat = (int)IPC_STAT;
 159 int shmctl_ipc_info = (int)IPC_INFO;
 160 int shmctl_shm_info = (int)SHM_INFO;
 161 int shmctl_shm_stat = (int)SHM_STAT;
 162 unsigned struct_utmpx_sz = sizeof(struct utmpx);
 163
 164 int map_fixed = MAP_FIXED;
 165
 166 int af_inet = (int)AF_INET;
 167 int af_inet6 = (int)AF_INET6;
 168
 169 uptr __sanitizer_in_addr_sz(int af) {
 170   if (af == AF_INET)
 171     return sizeof(struct in_addr);
 172   else if (af == AF_INET6)
 173     return sizeof(struct in6_addr);
 174   else
 175     return 0;
 176 }
 177
 178 // For FreeBSD the actual size of a directory entry is not always in d_reclen.
 179 // Use the appropriate macro to get the correct size for all cases (e.g. NFS).
 180 u16 __sanitizer_dirsiz(const __sanitizer_dirent *dp) {
 181   return _GENERIC_DIRSIZ(dp);
 182 }
 183
 184 unsigned struct_ElfW_Phdr_sz = sizeof(Elf_Phdr);
 185 int glob_nomatch = GLOB_NOMATCH;
 186 int glob_altdirfunc = GLOB_ALTDIRFUNC;
 187 const int wordexp_wrde_dooffs = WRDE_DOOFFS;
 188
 189 unsigned path_max = PATH_MAX;
 190
 191 int struct_ttyent_sz = sizeof(struct ttyent);
 192
 193 // ioctl arguments
 194 unsigned struct_ifreq_sz = sizeof(struct ifreq);
 195 unsigned struct_termios_sz = sizeof(struct termios);
 196 unsigned struct_winsize_sz = sizeof(struct winsize);
 197 #if SOUND_VERSION >= 0x040000
 198 unsigned struct_copr_buffer_sz = 0;
 199 unsigned struct_copr_debug_buf_sz = 0;
 200 unsigned struct_copr_msg_sz = 0;
 201 #else
 202 unsigned struct_copr_buffer_sz = sizeof(struct copr_buffer);
 203 unsigned struct_copr_debug_buf_sz = sizeof(struct copr_debug_buf);
 204 unsigned struct_copr_msg_sz = sizeof(struct copr_msg);
 205 #endif
 206 unsigned struct_midi_info_sz = sizeof(struct midi_info);
 207 unsigned struct_mtget_sz = sizeof(struct mtget);
 208 unsigned struct_mtop_sz = sizeof(struct mtop);
 209 unsigned struct_sbi_instrument_sz = sizeof(struct sbi_instrument);
 210 unsigned struct_seq_event_rec_sz = sizeof(struct seq_event_rec);
 211 unsigned struct_synth_info_sz = sizeof(struct synth_info);
 212 unsigned struct_audio_buf_info_sz = sizeof(struct audio_buf_info);
 213 unsigned struct_ppp_stats_sz = sizeof(struct ppp_stats);
 214 unsigned struct_sioc_sg_req_sz = sizeof(struct sioc_sg_req);
 215 unsigned struct_sioc_vif_req_sz = sizeof(struct sioc_vif_req);
 216 unsigned struct_procctl_reaper_status_sz = sizeof(struct __sanitizer_procctl_reaper_status);
 217 unsigned struct_procctl_reaper_pidinfo_sz = sizeof(struct __sanitizer_procctl_reaper_pidinfo);
 218 unsigned struct_procctl_reaper_pids_sz = sizeof(struct __sanitizer_procctl_reaper_pids);
 219 unsigned struct_procctl_reaper_kill_sz = sizeof(struct __sanitizer_procctl_reaper_kill);
 220 const unsigned long __sanitizer_bufsiz = BUFSIZ;
 221
 222 const unsigned IOCTL_NOT_PRESENT = 0;
 223
 224 unsigned IOCTL_FIOASYNC = FIOASYNC;
 225 unsigned IOCTL_FIOCLEX = FIOCLEX;
 226 unsigned IOCTL_FIOGETOWN = FIOGETOWN;
 227 unsigned IOCTL_FIONBIO = FIONBIO;
 228 unsigned IOCTL_FIONCLEX = FIONCLEX;
 229 unsigned IOCTL_FIOSETOWN = FIOSETOWN;
 230 unsigned IOCTL_SIOCADDMULTI = SIOCADDMULTI;
 231 unsigned IOCTL_SIOCATMARK = SIOCATMARK;
 232 unsigned IOCTL_SIOCDELMULTI = SIOCDELMULTI;
 233 unsigned IOCTL_SIOCGIFADDR = SIOCGIFADDR;
 234 unsigned IOCTL_SIOCGIFBRDADDR = SIOCGIFBRDADDR;
 235 unsigned IOCTL_SIOCGIFCONF = SIOCGIFCONF;
 236 unsigned IOCTL_SIOCGIFDSTADDR = SIOCGIFDSTADDR;
 237 unsigned IOCTL_SIOCGIFFLAGS = SIOCGIFFLAGS;
 238 unsigned IOCTL_SIOCGIFMETRIC = SIOCGIFMETRIC;
 239 unsigned IOCTL_SIOCGIFMTU = SIOCGIFMTU;
 240 unsigned IOCTL_SIOCGIFNETMASK = SIOCGIFNETMASK;
 241 unsigned IOCTL_SIOCGPGRP = SIOCGPGRP;
 242 unsigned IOCTL_SIOCSIFADDR = SIOCSIFADDR;
 243 unsigned IOCTL_SIOCSIFBRDADDR = SIOCSIFBRDADDR;
 244 unsigned IOCTL_SIOCSIFDSTADDR = SIOCSIFDSTADDR;
 245 unsigned IOCTL_SIOCSIFFLAGS = SIOCSIFFLAGS;
 246 unsigned IOCTL_SIOCSIFMETRIC = SIOCSIFMETRIC;
 247 unsigned IOCTL_SIOCSIFMTU = SIOCSIFMTU;
 248 unsigned IOCTL_SIOCSIFNETMASK = SIOCSIFNETMASK;
 249 unsigned IOCTL_SIOCSPGRP = SIOCSPGRP;
 250 unsigned IOCTL_TIOCCONS = TIOCCONS;
 251 unsigned IOCTL_TIOCEXCL = TIOCEXCL;
 252 unsigned IOCTL_TIOCGETD = TIOCGETD;
 253 unsigned IOCTL_TIOCGPGRP = TIOCGPGRP;
 254 unsigned IOCTL_TIOCGWINSZ = TIOCGWINSZ;
 255 unsigned IOCTL_TIOCMBIC = TIOCMBIC;
 256 unsigned IOCTL_TIOCMBIS = TIOCMBIS;
 257 unsigned IOCTL_TIOCMGET = TIOCMGET;
 258 unsigned IOCTL_TIOCMSET = TIOCMSET;
 259 unsigned IOCTL_TIOCNOTTY = TIOCNOTTY;
 260 unsigned IOCTL_TIOCNXCL = TIOCNXCL;
 261 unsigned IOCTL_TIOCOUTQ = TIOCOUTQ;
 262 unsigned IOCTL_TIOCPKT = TIOCPKT;
 263 unsigned IOCTL_TIOCSCTTY = TIOCSCTTY;
 264 unsigned IOCTL_TIOCSETD = TIOCSETD;
 265 unsigned IOCTL_TIOCSPGRP = TIOCSPGRP;
 266 unsigned IOCTL_TIOCSTI = TIOCSTI;
 267 unsigned IOCTL_TIOCSWINSZ = TIOCSWINSZ;
 268 unsigned IOCTL_SIOCGETSGCNT = SIOCGETSGCNT;
 269 unsigned IOCTL_SIOCGETVIFCNT = SIOCGETVIFCNT;
 270 unsigned IOCTL_MTIOCGET = MTIOCGET;
 271 unsigned IOCTL_MTIOCTOP = MTIOCTOP;
 272 unsigned IOCTL_SNDCTL_DSP_GETBLKSIZE = SNDCTL_DSP_GETBLKSIZE;
 273 unsigned IOCTL_SNDCTL_DSP_GETFMTS = SNDCTL_DSP_GETFMTS;
 274 unsigned IOCTL_SNDCTL_DSP_NONBLOCK = SNDCTL_DSP_NONBLOCK;
 275 unsigned IOCTL_SNDCTL_DSP_POST = SNDCTL_DSP_POST;
 276 unsigned IOCTL_SNDCTL_DSP_RESET = SNDCTL_DSP_RESET;
 277 unsigned IOCTL_SNDCTL_DSP_SETFMT = SNDCTL_DSP_SETFMT;
 278 unsigned IOCTL_SNDCTL_DSP_SETFRAGMENT = SNDCTL_DSP_SETFRAGMENT;
 279 unsigned IOCTL_SNDCTL_DSP_SPEED = SNDCTL_DSP_SPEED;
 280 unsigned IOCTL_SNDCTL_DSP_STEREO = SNDCTL_DSP_STEREO;
 281 unsigned IOCTL_SNDCTL_DSP_SUBDIVIDE = SNDCTL_DSP_SUBDIVIDE;
 282 unsigned IOCTL_SNDCTL_DSP_SYNC = SNDCTL_DSP_SYNC;
 283 unsigned IOCTL_SNDCTL_FM_4OP_ENABLE = SNDCTL_FM_4OP_ENABLE;
 284 unsigned IOCTL_SNDCTL_FM_LOAD_INSTR = SNDCTL_FM_LOAD_INSTR;
 285 unsigned IOCTL_SNDCTL_MIDI_INFO = SNDCTL_MIDI_INFO;
 286 unsigned IOCTL_SNDCTL_MIDI_PRETIME = SNDCTL_MIDI_PRETIME;
 287 unsigned IOCTL_SNDCTL_SEQ_CTRLRATE = SNDCTL_SEQ_CTRLRATE;
 288 unsigned IOCTL_SNDCTL_SEQ_GETINCOUNT = SNDCTL_SEQ_GETINCOUNT;
 289 unsigned IOCTL_SNDCTL_SEQ_GETOUTCOUNT = SNDCTL_SEQ_GETOUTCOUNT;
 290 unsigned IOCTL_SNDCTL_SEQ_NRMIDIS = SNDCTL_SEQ_NRMIDIS;
 291 unsigned IOCTL_SNDCTL_SEQ_NRSYNTHS = SNDCTL_SEQ_NRSYNTHS;
 292 unsigned IOCTL_SNDCTL_SEQ_OUTOFBAND = SNDCTL_SEQ_OUTOFBAND;
 293 unsigned IOCTL_SNDCTL_SEQ_PANIC = SNDCTL_SEQ_PANIC;
 294 unsigned IOCTL_SNDCTL_SEQ_PERCMODE = SNDCTL_SEQ_PERCMODE;
 295 unsigned IOCTL_SNDCTL_SEQ_RESET = SNDCTL_SEQ_RESET;
 296 unsigned IOCTL_SNDCTL_SEQ_RESETSAMPLES = SNDCTL_SEQ_RESETSAMPLES;
 297 unsigned IOCTL_SNDCTL_SEQ_SYNC = SNDCTL_SEQ_SYNC;
 298 unsigned IOCTL_SNDCTL_SEQ_TESTMIDI = SNDCTL_SEQ_TESTMIDI;
 299 unsigned IOCTL_SNDCTL_SEQ_THRESHOLD = SNDCTL_SEQ_THRESHOLD;
 300 unsigned IOCTL_SNDCTL_SYNTH_INFO = SNDCTL_SYNTH_INFO;
 301 unsigned IOCTL_SNDCTL_SYNTH_MEMAVL = SNDCTL_SYNTH_MEMAVL;
 302 unsigned IOCTL_SNDCTL_TMR_CONTINUE = SNDCTL_TMR_CONTINUE;
 303 unsigned IOCTL_SNDCTL_TMR_METRONOME = SNDCTL_TMR_METRONOME;
 304 unsigned IOCTL_SNDCTL_TMR_SELECT = SNDCTL_TMR_SELECT;
 305 unsigned IOCTL_SNDCTL_TMR_SOURCE = SNDCTL_TMR_SOURCE;
 306 unsigned IOCTL_SNDCTL_TMR_START = SNDCTL_TMR_START;
 307 unsigned IOCTL_SNDCTL_TMR_STOP = SNDCTL_TMR_STOP;
 308 unsigned IOCTL_SNDCTL_TMR_TEMPO = SNDCTL_TMR_TEMPO;
 309 unsigned IOCTL_SNDCTL_TMR_TIMEBASE = SNDCTL_TMR_TIMEBASE;
 310 unsigned IOCTL_SOUND_MIXER_READ_ALTPCM = SOUND_MIXER_READ_ALTPCM;
 311 unsigned IOCTL_SOUND_MIXER_READ_BASS = SOUND_MIXER_READ_BASS;
 312 unsigned IOCTL_SOUND_MIXER_READ_CAPS = SOUND_MIXER_READ_CAPS;
 313 unsigned IOCTL_SOUND_MIXER_READ_CD = SOUND_MIXER_READ_CD;
 314 unsigned IOCTL_SOUND_MIXER_READ_DEVMASK = SOUND_MIXER_READ_DEVMASK;
 315 unsigned IOCTL_SOUND_MIXER_READ_ENHANCE = SOUND_MIXER_READ_ENHANCE;
 316 unsigned IOCTL_SOUND_MIXER_READ_IGAIN = SOUND_MIXER_READ_IGAIN;
 317 unsigned IOCTL_SOUND_MIXER_READ_IMIX = SOUND_MIXER_READ_IMIX;
 318 unsigned IOCTL_SOUND_MIXER_READ_LINE = SOUND_MIXER_READ_LINE;
 319 unsigned IOCTL_SOUND_MIXER_READ_LINE1 = SOUND_MIXER_READ_LINE1;
 320 unsigned IOCTL_SOUND_MIXER_READ_LINE2 = SOUND_MIXER_READ_LINE2;
 321 unsigned IOCTL_SOUND_MIXER_READ_LINE3 = SOUND_MIXER_READ_LINE3;
 322 unsigned IOCTL_SOUND_MIXER_READ_LOUD = SOUND_MIXER_READ_LOUD;
 323 unsigned IOCTL_SOUND_MIXER_READ_MIC = SOUND_MIXER_READ_MIC;
 324 unsigned IOCTL_SOUND_MIXER_READ_MUTE = SOUND_MIXER_READ_MUTE;
 325 unsigned IOCTL_SOUND_MIXER_READ_OGAIN = SOUND_MIXER_READ_OGAIN;
 326 unsigned IOCTL_SOUND_MIXER_READ_PCM = SOUND_MIXER_READ_PCM;
 327 unsigned IOCTL_SOUND_MIXER_READ_RECLEV = SOUND_MIXER_READ_RECLEV;
 328 unsigned IOCTL_SOUND_MIXER_READ_RECMASK = SOUND_MIXER_READ_RECMASK;
 329 unsigned IOCTL_SOUND_MIXER_READ_RECSRC = SOUND_MIXER_READ_RECSRC;
 330 unsigned IOCTL_SOUND_MIXER_READ_SPEAKER = SOUND_MIXER_READ_SPEAKER;
 331 unsigned IOCTL_SOUND_MIXER_READ_STEREODEVS = SOUND_MIXER_READ_STEREODEVS;
 332 unsigned IOCTL_SOUND_MIXER_READ_SYNTH = SOUND_MIXER_READ_SYNTH;
 333 unsigned IOCTL_SOUND_MIXER_READ_TREBLE = SOUND_MIXER_READ_TREBLE;
 334 unsigned IOCTL_SOUND_MIXER_READ_VOLUME = SOUND_MIXER_READ_VOLUME;
 335 unsigned IOCTL_SOUND_MIXER_WRITE_ALTPCM = SOUND_MIXER_WRITE_ALTPCM;
 336 unsigned IOCTL_SOUND_MIXER_WRITE_BASS = SOUND_MIXER_WRITE_BASS;
 337 unsigned IOCTL_SOUND_MIXER_WRITE_CD = SOUND_MIXER_WRITE_CD;
 338 unsigned IOCTL_SOUND_MIXER_WRITE_ENHANCE = SOUND_MIXER_WRITE_ENHANCE;
 339 unsigned IOCTL_SOUND_MIXER_WRITE_IGAIN = SOUND_MIXER_WRITE_IGAIN;
 340 unsigned IOCTL_SOUND_MIXER_WRITE_IMIX = SOUND_MIXER_WRITE_IMIX;
 341 unsigned IOCTL_SOUND_MIXER_WRITE_LINE = SOUND_MIXER_WRITE_LINE;
 342 unsigned IOCTL_SOUND_MIXER_WRITE_LINE1 = SOUND_MIXER_WRITE_LINE1;
 343 unsigned IOCTL_SOUND_MIXER_WRITE_LINE2 = SOUND_MIXER_WRITE_LINE2;
 344 unsigned IOCTL_SOUND_MIXER_WRITE_LINE3 = SOUND_MIXER_WRITE_LINE3;
 345 unsigned IOCTL_SOUND_MIXER_WRITE_LOUD = SOUND_MIXER_WRITE_LOUD;
 346 unsigned IOCTL_SOUND_MIXER_WRITE_MIC = SOUND_MIXER_WRITE_MIC;
 347 unsigned IOCTL_SOUND_MIXER_WRITE_MUTE = SOUND_MIXER_WRITE_MUTE;
 348 unsigned IOCTL_SOUND_MIXER_WRITE_OGAIN = SOUND_MIXER_WRITE_OGAIN;
 349 unsigned IOCTL_SOUND_MIXER_WRITE_PCM = SOUND_MIXER_WRITE_PCM;
 350 unsigned IOCTL_SOUND_MIXER_WRITE_RECLEV = SOUND_MIXER_WRITE_RECLEV;
 351 unsigned IOCTL_SOUND_MIXER_WRITE_RECSRC = SOUND_MIXER_WRITE_RECSRC;
 352 unsigned IOCTL_SOUND_MIXER_WRITE_SPEAKER = SOUND_MIXER_WRITE_SPEAKER;
 353 unsigned IOCTL_SOUND_MIXER_WRITE_SYNTH = SOUND_MIXER_WRITE_SYNTH;
 354 unsigned IOCTL_SOUND_MIXER_WRITE_TREBLE = SOUND_MIXER_WRITE_TREBLE;
 355 unsigned IOCTL_SOUND_MIXER_WRITE_VOLUME = SOUND_MIXER_WRITE_VOLUME;
 356 unsigned IOCTL_VT_ACTIVATE = VT_ACTIVATE;
 357 unsigned IOCTL_VT_GETMODE = VT_GETMODE;
 358 unsigned IOCTL_VT_OPENQRY = VT_OPENQRY;
 359 unsigned IOCTL_VT_RELDISP = VT_RELDISP;
 360 unsigned IOCTL_VT_SETMODE = VT_SETMODE;
 361 unsigned IOCTL_VT_WAITACTIVE = VT_WAITACTIVE;
 362 unsigned IOCTL_GIO_SCRNMAP = GIO_SCRNMAP;
 363 unsigned IOCTL_KDDISABIO = KDDISABIO;
 364 unsigned IOCTL_KDENABIO = KDENABIO;
 365 unsigned IOCTL_KDGETLED = KDGETLED;
 366 unsigned IOCTL_KDGETMODE = KDGETMODE;
 367 unsigned IOCTL_KDGKBMODE = KDGKBMODE;
 368 unsigned IOCTL_KDGKBTYPE = KDGKBTYPE;
 369 unsigned IOCTL_KDMKTONE = KDMKTONE;
 370 unsigned IOCTL_KDSETLED = KDSETLED;
 371 unsigned IOCTL_KDSETMODE = KDSETMODE;
 372 unsigned IOCTL_KDSKBMODE = KDSKBMODE;
 373 unsigned IOCTL_KIOCSOUND = KIOCSOUND;
 374 unsigned IOCTL_PIO_SCRNMAP = PIO_SCRNMAP;
 375 unsigned IOCTL_SNDCTL_DSP_GETISPACE = SNDCTL_DSP_GETISPACE;
 376
 377 const int si_SEGV_MAPERR = SEGV_MAPERR;
 378 const int si_SEGV_ACCERR = SEGV_ACCERR;
 379 const int unvis_valid = UNVIS_VALID;
 380 const int unvis_validpush = UNVIS_VALIDPUSH;
 381
 382 const unsigned MD5_CTX_sz = sizeof(MD5_CTX);
 383 const unsigned MD5_return_length = MD5_DIGEST_STRING_LENGTH;
 384
 385 #define SHA2_CONST(LEN)                                                      \
 386   const unsigned SHA##LEN##_CTX_sz = sizeof(SHA##LEN##_CTX);                 \
 387   const unsigned SHA##LEN##_return_length = SHA##LEN##_DIGEST_STRING_LENGTH; \
 388   const unsigned SHA##LEN##_block_length = SHA##LEN##_BLOCK_LENGTH;          \
 389   const unsigned SHA##LEN##_digest_length = SHA##LEN##_DIGEST_LENGTH
 390
 391 SHA2_CONST(224);
 392 SHA2_CONST(256);
 393 SHA2_CONST(384);
 394 SHA2_CONST(512);
 395
 396 #undef SHA2_CONST
 397 }  // namespace __sanitizer
 398
 399 using namespace __sanitizer;
 400
 401 COMPILER_CHECK(sizeof(__sanitizer_pthread_attr_t) >= sizeof(pthread_attr_t));
 402
 403 COMPILER_CHECK(sizeof(socklen_t) == sizeof(unsigned));
 404 CHECK_TYPE_SIZE(pthread_key_t);
 405
 406 // There are more undocumented fields in dl_phdr_info that we are not interested
 407 // in.
 408 COMPILER_CHECK(sizeof(__sanitizer_dl_phdr_info) <= sizeof(dl_phdr_info));
 409 CHECK_SIZE_AND_OFFSET(dl_phdr_info, dlpi_addr);
 410 CHECK_SIZE_AND_OFFSET(dl_phdr_info, dlpi_name);
 411 CHECK_SIZE_AND_OFFSET(dl_phdr_info, dlpi_phdr);
 412 CHECK_SIZE_AND_OFFSET(dl_phdr_info, dlpi_phnum);
 413
 414 CHECK_TYPE_SIZE(glob_t);
 415 CHECK_SIZE_AND_OFFSET(glob_t, gl_pathc);
 416 CHECK_SIZE_AND_OFFSET(glob_t, gl_pathv);
 417 CHECK_SIZE_AND_OFFSET(glob_t, gl_offs);
 418 CHECK_SIZE_AND_OFFSET(glob_t, gl_flags);
 419 CHECK_SIZE_AND_OFFSET(glob_t, gl_closedir);
 420 CHECK_SIZE_AND_OFFSET(glob_t, gl_readdir);
 421 CHECK_SIZE_AND_OFFSET(glob_t, gl_opendir);
 422 CHECK_SIZE_AND_OFFSET(glob_t, gl_lstat);
 423 CHECK_SIZE_AND_OFFSET(glob_t, gl_stat);
 424
 425 CHECK_TYPE_SIZE(addrinfo);
 426 CHECK_SIZE_AND_OFFSET(addrinfo, ai_flags);
 427 CHECK_SIZE_AND_OFFSET(addrinfo, ai_family);
 428 CHECK_SIZE_AND_OFFSET(addrinfo, ai_socktype);
 429 CHECK_SIZE_AND_OFFSET(addrinfo, ai_protocol);
 430 CHECK_SIZE_AND_OFFSET(addrinfo, ai_protocol);
 431 CHECK_SIZE_AND_OFFSET(addrinfo, ai_addrlen);
 432 CHECK_SIZE_AND_OFFSET(addrinfo, ai_canonname);
 433 CHECK_SIZE_AND_OFFSET(addrinfo, ai_addr);
 434
 435 CHECK_TYPE_SIZE(hostent);
 436 CHECK_SIZE_AND_OFFSET(hostent, h_name);
 437 CHECK_SIZE_AND_OFFSET(hostent, h_aliases);
 438 CHECK_SIZE_AND_OFFSET(hostent, h_addrtype);
 439 CHECK_SIZE_AND_OFFSET(hostent, h_length);
 440 CHECK_SIZE_AND_OFFSET(hostent, h_addr_list);
 441
 442 CHECK_TYPE_SIZE(iovec);
 443 CHECK_SIZE_AND_OFFSET(iovec, iov_base);
 444 CHECK_SIZE_AND_OFFSET(iovec, iov_len);
 445
 446 CHECK_TYPE_SIZE(msghdr);
 447 CHECK_SIZE_AND_OFFSET(msghdr, msg_name);
 448 CHECK_SIZE_AND_OFFSET(msghdr, msg_namelen);
 449 CHECK_SIZE_AND_OFFSET(msghdr, msg_iov);
 450 CHECK_SIZE_AND_OFFSET(msghdr, msg_iovlen);
 451 CHECK_SIZE_AND_OFFSET(msghdr, msg_control);
 452 CHECK_SIZE_AND_OFFSET(msghdr, msg_controllen);
 453 CHECK_SIZE_AND_OFFSET(msghdr, msg_flags);
 454
 455 CHECK_TYPE_SIZE(cmsghdr);
 456 CHECK_SIZE_AND_OFFSET(cmsghdr, cmsg_len);
 457 CHECK_SIZE_AND_OFFSET(cmsghdr, cmsg_level);
 458 CHECK_SIZE_AND_OFFSET(cmsghdr, cmsg_type);
 459
 460 COMPILER_CHECK(sizeof(__sanitizer_dirent) <= sizeof(dirent));
 461 CHECK_SIZE_AND_OFFSET(dirent, d_ino);
 462 CHECK_SIZE_AND_OFFSET(dirent, d_reclen);
 463
 464 CHECK_TYPE_SIZE(ifconf);
 465 CHECK_SIZE_AND_OFFSET(ifconf, ifc_len);
 466 CHECK_SIZE_AND_OFFSET(ifconf, ifc_ifcu);
 467
 468 CHECK_TYPE_SIZE(pollfd);
 469 CHECK_SIZE_AND_OFFSET(pollfd, fd);
 470 CHECK_SIZE_AND_OFFSET(pollfd, events);
 471 CHECK_SIZE_AND_OFFSET(pollfd, revents);
 472
 473 CHECK_TYPE_SIZE(nfds_t);
 474
 475 CHECK_TYPE_SIZE(sigset_t);
 476
 477 COMPILER_CHECK(sizeof(__sanitizer_sigaction) == sizeof(struct sigaction));
 478 // Can't write checks for sa_handler and sa_sigaction due to them being
 479 // preprocessor macros.
 480 CHECK_STRUCT_SIZE_AND_OFFSET(sigaction, sa_mask);
 481
 482 CHECK_TYPE_SIZE(wordexp_t);
 483 CHECK_SIZE_AND_OFFSET(wordexp_t, we_wordc);
 484 CHECK_SIZE_AND_OFFSET(wordexp_t, we_wordv);
 485 CHECK_SIZE_AND_OFFSET(wordexp_t, we_offs);
 486
 487 CHECK_TYPE_SIZE(tm);
 488 CHECK_SIZE_AND_OFFSET(tm, tm_sec);
 489 CHECK_SIZE_AND_OFFSET(tm, tm_min);
 490 CHECK_SIZE_AND_OFFSET(tm, tm_hour);
 491 CHECK_SIZE_AND_OFFSET(tm, tm_mday);
 492 CHECK_SIZE_AND_OFFSET(tm, tm_mon);
 493 CHECK_SIZE_AND_OFFSET(tm, tm_year);
 494 CHECK_SIZE_AND_OFFSET(tm, tm_wday);
 495 CHECK_SIZE_AND_OFFSET(tm, tm_yday);
 496 CHECK_SIZE_AND_OFFSET(tm, tm_isdst);
 497 CHECK_SIZE_AND_OFFSET(tm, tm_gmtoff);
 498 CHECK_SIZE_AND_OFFSET(tm, tm_zone);
 499
 500 CHECK_TYPE_SIZE(ether_addr);
 501
 502 CHECK_TYPE_SIZE(ipc_perm);
 503 CHECK_SIZE_AND_OFFSET(ipc_perm, key);
 504 CHECK_SIZE_AND_OFFSET(ipc_perm, seq);
 505 CHECK_SIZE_AND_OFFSET(ipc_perm, uid);
 506 CHECK_SIZE_AND_OFFSET(ipc_perm, gid);
 507 CHECK_SIZE_AND_OFFSET(ipc_perm, cuid);
 508 CHECK_SIZE_AND_OFFSET(ipc_perm, cgid);
 509
 510 CHECK_TYPE_SIZE(shmid_ds);
 511 CHECK_SIZE_AND_OFFSET(shmid_ds, shm_perm);
 512 CHECK_SIZE_AND_OFFSET(shmid_ds, shm_segsz);
 513 CHECK_SIZE_AND_OFFSET(shmid_ds, shm_atime);
 514 CHECK_SIZE_AND_OFFSET(shmid_ds, shm_dtime);
 515 CHECK_SIZE_AND_OFFSET(shmid_ds, shm_ctime);
 516 CHECK_SIZE_AND_OFFSET(shmid_ds, shm_cpid);
 517 CHECK_SIZE_AND_OFFSET(shmid_ds, shm_lpid);
 518 CHECK_SIZE_AND_OFFSET(shmid_ds, shm_nattch);
 519
 520 CHECK_TYPE_SIZE(clock_t);
 521
 522 CHECK_TYPE_SIZE(ifaddrs);
 523 CHECK_SIZE_AND_OFFSET(ifaddrs, ifa_next);
 524 CHECK_SIZE_AND_OFFSET(ifaddrs, ifa_name);
 525 CHECK_SIZE_AND_OFFSET(ifaddrs, ifa_addr);
 526 CHECK_SIZE_AND_OFFSET(ifaddrs, ifa_netmask);
 527 #undef ifa_dstaddr
 528 CHECK_SIZE_AND_OFFSET(ifaddrs, ifa_dstaddr);
 529 CHECK_SIZE_AND_OFFSET(ifaddrs, ifa_data);
 530
 531 CHECK_TYPE_SIZE(timeb);
 532 CHECK_SIZE_AND_OFFSET(timeb, time);
 533 CHECK_SIZE_AND_OFFSET(timeb, millitm);
 534 CHECK_SIZE_AND_OFFSET(timeb, timezone);
 535 CHECK_SIZE_AND_OFFSET(timeb, dstflag);
 536
 537 CHECK_TYPE_SIZE(passwd);
 538 CHECK_SIZE_AND_OFFSET(passwd, pw_name);
 539 CHECK_SIZE_AND_OFFSET(passwd, pw_passwd);
 540 CHECK_SIZE_AND_OFFSET(passwd, pw_uid);
 541 CHECK_SIZE_AND_OFFSET(passwd, pw_gid);
 542 CHECK_SIZE_AND_OFFSET(passwd, pw_dir);
 543 CHECK_SIZE_AND_OFFSET(passwd, pw_shell);
 544
 545 CHECK_SIZE_AND_OFFSET(passwd, pw_gecos);
 546
 547 CHECK_TYPE_SIZE(group);
 548 CHECK_SIZE_AND_OFFSET(group, gr_name);
 549 CHECK_SIZE_AND_OFFSET(group, gr_passwd);
 550 CHECK_SIZE_AND_OFFSET(group, gr_gid);
 551 CHECK_SIZE_AND_OFFSET(group, gr_mem);
 552
 553 #if HAVE_RPC_XDR_H
 554 CHECK_TYPE_SIZE(XDR);
 555 CHECK_SIZE_AND_OFFSET(XDR, x_op);
 556 CHECK_SIZE_AND_OFFSET(XDR, x_ops);
 557 CHECK_SIZE_AND_OFFSET(XDR, x_public);
 558 CHECK_SIZE_AND_OFFSET(XDR, x_private);
 559 CHECK_SIZE_AND_OFFSET(XDR, x_base);
 560 CHECK_SIZE_AND_OFFSET(XDR, x_handy);
 561 COMPILER_CHECK(__sanitizer_XDR_ENCODE == XDR_ENCODE);
 562 COMPILER_CHECK(__sanitizer_XDR_DECODE == XDR_DECODE);
 563 COMPILER_CHECK(__sanitizer_XDR_FREE == XDR_FREE);
 564 #endif
 565
 566 CHECK_TYPE_SIZE(sem_t);
 567
 568 COMPILER_CHECK(sizeof(__sanitizer_cap_rights_t) >= sizeof(cap_rights_t));
 569 COMPILER_CHECK(sizeof(__sanitizer_cpuset_t) >= sizeof(cpuset_t));
 570 #endif  // SANITIZER_FREEBSD