libgo/mksysinfo.sh

   1 #!/bin/sh
   2
   3 # Copyright 2009 The Go Authors. All rights reserved.
   4 # Use of this source code is governed by a BSD-style
   5 # license that can be found in the LICENSE file.
   6
   7 # Create sysinfo.go.
   8
   9 # This shell script creates the sysinfo.go file which holds types and
  10 # constants extracted from the system header files.  This relies on a
  11 # hook in gcc: the -fdump-go-spec option will generate debugging
  12 # information in Go syntax.
  13
  14 # We currently #include all the files at once, which works, but leads
  15 # to exposing some names which ideally should not be exposed, as they
  16 # match grep patterns.  E.g., WCHAR_MIN gets exposed because it starts
  17 # with W, like the wait flags.
  18
  19 CC=${CC:-gcc}
  20 OUT=tmp-sysinfo.go
  21
  22 set -e
  23
  24 rm -f sysinfo.c
  25 cat > sysinfo.c <<EOF
  26 #include "config.h"
  27
  28 #include <sys/types.h>
  29 #include <dirent.h>
  30 #include <errno.h>
  31 #include <fcntl.h>
  32 #include <netinet/in.h>
  33 /* <netinet/tcp.h> needs u_char/u_short, but <sys/bsd_types> is only
  34    included by <netinet/in.h> if _SGIAPI (i.e. _SGI_SOURCE
  35    && !_XOPEN_SOURCE.
  36    <sys/termios.h> only defines TIOCNOTTY if !_XOPEN_SOURCE, while
  37    <sys/ttold.h> does so unconditionally.  */
  38 #ifdef __sgi__
  39 #include <sys/bsd_types.h>
  40 #include <sys/ttold.h>
  41 #endif
  42 #include <netinet/tcp.h>
  43 #if defined(HAVE_NETINET_IN_SYSTM_H)
  44 #include <netinet/in_systm.h>
  45 #endif
  46 #if defined(HAVE_NETINET_IP_H)
  47 #include <netinet/ip.h>
  48 #endif
  49 #if defined(HAVE_NETINET_IP_MROUTE_H)
  50 #include <netinet/ip_mroute.h>
  51 #endif
  52 #if defined(HAVE_NETINET_IF_ETHER_H)
  53 #include <netinet/if_ether.h>
  54 #endif
  55 #include <signal.h>
  56 #include <sys/ioctl.h>
  57 #include <termios.h>
  58 #if defined(HAVE_SYSCALL_H)
  59 #include <syscall.h>
  60 #endif
  61 #if defined(HAVE_SYS_SYSCALL_H)
  62 #include <sys/syscall.h>
  63 #endif
  64 #if defined(HAVE_SYS_EPOLL_H)
  65 #include <sys/epoll.h>
  66 #endif
  67 #if defined(HAVE_SYS_FILE_H)
  68 #include <sys/file.h>
  69 #endif
  70 #if defined(HAVE_SYS_MMAN_H)
  71 #include <sys/mman.h>
  72 #endif
  73 #if defined(HAVE_SYS_PRCTL_H)
  74 #include <sys/prctl.h>
  75 #endif
  76 #if defined(HAVE_SYS_PTRACE_H)
  77 #include <sys/ptrace.h>
  78 #endif
  79 #include <sys/resource.h>
  80 #include <sys/uio.h>
  81 #include <sys/socket.h>
  82 #include <sys/stat.h>
  83 #include <sys/time.h>
  84 #include <sys/times.h>
  85 #include <sys/wait.h>
  86 #include <sys/un.h>
  87 #if defined(HAVE_SYS_USER_H)
  88 #include <sys/user.h>
  89 #endif
  90 #if defined(HAVE_SYS_UTSNAME_H)
  91 #include <sys/utsname.h>
  92 #endif
  93 #if defined(HAVE_SYS_SELECT_H)
  94 #include <sys/select.h>
  95 #endif
  96 #include <time.h>
  97 #include <unistd.h>
  98 #include <netdb.h>
  99 #include <pwd.h>
 100 #if defined(HAVE_LINUX_FILTER_H)
 101 #include <linux/filter.h>
 102 #endif
 103 #if defined(HAVE_LINUX_IF_ADDR_H)
 104 #include <linux/if_addr.h>
 105 #endif
 106 #if defined(HAVE_LINUX_IF_ETHER_H)
 107 #include <linux/if_ether.h>
 108 #endif
 109 #if defined(HAVE_LINUX_IF_TUN_H)
 110 #include <linux/if_tun.h>
 111 #endif
 112 #if defined(HAVE_LINUX_NETLINK_H)
 113 #include <linux/netlink.h>
 114 #endif
 115 #if defined(HAVE_LINUX_RTNETLINK_H)
 116 #include <linux/rtnetlink.h>
 117 #endif
 118 #if defined(HAVE_NET_IF_H)
 119 #include <net/if.h>
 120 #endif
 121 #if defined(HAVE_NET_IF_ARP_H)
 122 #include <net/if_arp.h>
 123 #endif
 124 #if defined(HAVE_NET_ROUTE_H)
 125 #include <net/route.h>
 126 #endif
 127 #if defined (HAVE_NETPACKET_PACKET_H)
 128 #include <netpacket/packet.h>
 129 #endif
 130 #if defined(HAVE_SYS_MOUNT_H)
 131 #include <sys/mount.h>
 132 #endif
 133 #if defined(HAVE_SYS_VFS_H)
 134 #include <sys/vfs.h>
 135 #endif
 136 #if defined(HAVE_STATFS_H)
 137 #include <sys/statfs.h>
 138 #endif
 139 #if defined(HAVE_SYS_TIMEX_H)
 140 #include <sys/timex.h>
 141 #endif
 142 #if defined(HAVE_SYS_SYSINFO_H)
 143 #include <sys/sysinfo.h>
 144 #endif
 145 #if defined(HAVE_USTAT_H)
 146 #include <ustat.h>
 147 #endif
 148 #if defined(HAVE_UTIME_H)
 149 #include <utime.h>
 150 #endif
 151 #if defined(HAVE_LINUX_ETHER_H)
 152 #include <linux/ether.h>
 153 #endif
 154 #if defined(HAVE_LINUX_FS_H)
 155 #include <linux/fs.h>
 156 #endif
 157 #if defined(HAVE_LINUX_REBOOT_H)
 158 #include <linux/reboot.h>
 159 #endif
 160 #if defined(HAVE_SYS_INOTIFY_H)
 161 #include <sys/inotify.h>
 162 #endif
 163 #if defined(HAVE_NETINET_ICMP6_H)
 164 #include <netinet/icmp6.h>
 165 #endif
 166 #if defined(HAVE_SCHED_H)
 167 #include <sched.h>
 168 #endif
 169
 170 /* Constants that may only be defined as expressions on some systems,
 171    expressions too complex for -fdump-go-spec to handle.  These are
 172    handled specially below.  */
 173 enum {
 174 #ifdef TIOCGWINSZ
 175   TIOCGWINSZ_val = TIOCGWINSZ,
 176 #endif
 177 #ifdef TIOCSWINSZ
 178   TIOCSWINSZ_val = TIOCSWINSZ,
 179 #endif
 180 #ifdef TIOCNOTTY
 181   TIOCNOTTY_val = TIOCNOTTY,
 182 #endif
 183 #ifdef TIOCSCTTY
 184   TIOCSCTTY_val = TIOCSCTTY,
 185 #endif
 186 #ifdef TIOCGPTN
 187   TIOCGPTN_val = TIOCGPTN,
 188 #endif
 189 #ifdef TIOCSPTLCK
 190   TIOCSPTLCK_val = TIOCSPTLCK,
 191 #endif
 192 #ifdef TIOCGDEV
 193   TIOCGDEV_val = TIOCGDEV,
 194 #endif
 195 #ifdef TIOCSIG
 196   TIOCSIG_val = TIOCSIG,
 197 #endif
 198 #ifdef TCGETS
 199   TCGETS_val = TCGETS,
 200 #endif
 201 #ifdef TCSETS
 202   TCSETS_val = TCSETS,
 203 #endif
 204 #ifdef TUNSETIFF
 205   TUNSETIFF_val = TUNSETIFF,
 206 #endif
 207 #ifdef TUNSETNOCSUM
 208   TUNSETNOCSUM_val = TUNSETNOCSUM,
 209 #endif
 210 #ifdef TUNSETDEBUG
 211   TUNSETDEBUG_val = TUNSETDEBUG,
 212 #endif
 213 #ifdef TUNSETPERSIST
 214   TUNSETPERSIST_val = TUNSETPERSIST,
 215 #endif
 216 #ifdef TUNSETOWNER
 217   TUNSETOWNER_val = TUNSETOWNER,
 218 #endif
 219 #ifdef TUNSETLINK
 220   TUNSETLINK_val = TUNSETLINK,
 221 #endif
 222 #ifdef TUNSETGROUP
 223   TUNSETGROUP_val = TUNSETGROUP,
 224 #endif
 225 #ifdef TUNGETFEATURES
 226   TUNGETFEATURES_val = TUNGETFEATURES,
 227 #endif
 228 #ifdef TUNSETOFFLOAD
 229   TUNSETOFFLOAD_val = TUNSETOFFLOAD,
 230 #endif
 231 #ifdef TUNSETTXFILTER
 232   TUNSETTXFILTER_val = TUNSETTXFILTER,
 233 #endif
 234 #ifdef TUNGETIFF
 235   TUNGETIFF_val = TUNGETIFF,
 236 #endif
 237 #ifdef TUNGETSNDBUF
 238   TUNGETSNDBUF_val = TUNGETSNDBUF,
 239 #endif
 240 #ifdef TUNSETSNDBUF
 241   TUNSETSNDBUF_val = TUNSETSNDBUF,
 242 #endif
 243 #ifdef TUNATTACHFILTER
 244   TUNATTACHFILTER_val = TUNATTACHFILTER,
 245 #endif
 246 #ifdef TUNDETACHFILTER
 247   TUNDETACHFILTER_val = TUNDETACHFILTER,
 248 #endif
 249 #ifdef TUNGETVNETHDRSZ
 250   TUNGETVNETHDRSZ_val = TUNGETVNETHDRSZ,
 251 #endif
 252 #ifdef TUNSETVNETHDRSZ
 253   TUNSETVNETHDRSZ_val = TUNSETVNETHDRSZ,
 254 #endif
 255 #ifdef TUNSETQUEUE
 256   TUNSETQUEUE_val = TUNSETQUEUE,
 257 #endif
 258 #ifdef TUNSETIFINDEX
 259   TUNSETIFINDEX_val = TUNSETIFINDEX,
 260 #endif
 261 #ifdef TUNGETFILTER
 262   TUNGETFILTER_val = TUNGETFILTER,
 263 #endif
 264
 265 };
 266 EOF
 267
 268 ${CC} -fdump-go-spec=gen-sysinfo.go -std=gnu99 -S -o sysinfo.s sysinfo.c
 269
 270 echo 'package syscall' > ${OUT}
 271 echo 'import "unsafe"' >> ${OUT}
 272 echo 'type _ unsafe.Pointer' >> ${OUT}
 273
 274 # Get all the consts and types, skipping ones which could not be
 275 # represented in Go and ones which we need to rewrite.  We also skip
 276 # function declarations, as we don't need them here.  All the symbols
 277 # will all have a leading underscore.
 278 grep -v '^// ' gen-sysinfo.go | \
 279   grep -v '^func' | \
 280   grep -v '^type _timeval ' | \
 281   grep -v '^type _timespec_t ' | \
 282   grep -v '^type _timespec ' | \
 283   grep -v '^type _timestruc_t ' | \
 284   grep -v '^type _epoll_' | \
 285   grep -v 'in6_addr' | \
 286   grep -v 'sockaddr_in6' | \
 287   sed -e 's/\([^a-zA-Z0-9_]\)_timeval\([^a-zA-Z0-9_]\)/\1Timeval\2/g' \
 288       -e 's/\([^a-zA-Z0-9_]\)_timespec_t\([^a-zA-Z0-9_]\)/\1Timespec\2/g' \
 289       -e 's/\([^a-zA-Z0-9_]\)_timespec\([^a-zA-Z0-9_]\)/\1Timespec\2/g' \
 290       -e 's/\([^a-zA-Z0-9_]\)_timestruc_t\([^a-zA-Z0-9_]\)/\1Timestruc\2/g' \
 291     >> ${OUT}
 292
 293 # The errno constants.  These get type Errno.
 294 echo '#include <errno.h>' | ${CC} -x c - -E -dM | \
 295   egrep '#define E[A-Z0-9_]+ ' | \
 296   sed -e 's/^#define \(E[A-Z0-9_]*\) .*$/const \1 = Errno(_\1)/' >> ${OUT}
 297
 298 # The O_xxx flags.
 299 egrep '^const _(O|F|FD)_' gen-sysinfo.go | \
 300   sed -e 's/^\(const \)_\([^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 301 if ! grep '^const O_ASYNC' ${OUT} >/dev/null 2>&1; then
 302   echo "const O_ASYNC = 0" >> ${OUT}
 303 fi
 304 if ! grep '^const O_CLOEXEC' ${OUT} >/dev/null 2>&1; then
 305   echo "const O_CLOEXEC = 0" >> ${OUT}
 306 fi
 307
 308 # The os package requires F_DUPFD_CLOEXEC to be defined.
 309 if ! grep '^const F_DUPFD_CLOEXEC' ${OUT} >/dev/null 2>&1; then
 310   echo "const F_DUPFD_CLOEXEC = 0" >> ${OUT}
 311 fi
 312
 313 # These flags can be lost on i386 GNU/Linux when using
 314 # -D_FILE_OFFSET_BITS=64, because we see "#define F_SETLK F_SETLK64"
 315 # before we see the definition of F_SETLK64.
 316 for flag in F_GETLK F_SETLK F_SETLKW; do
 317   if ! grep "^const ${flag} " ${OUT} >/dev/null 2>&1 \
 318       && grep "^const ${flag}64 " ${OUT} >/dev/null 2>&1; then
 319     echo "const ${flag} = ${flag}64" >> ${OUT}
 320   fi
 321 done
 322
 323 # The Flock_t struct for fcntl.
 324 grep '^type _flock ' gen-sysinfo.go | \
 325     sed -e 's/type _flock/type Flock_t/' \
 326       -e 's/l_type/Type/' \
 327       -e 's/l_whence/Whence/' \
 328       -e 's/l_start/Start/' \
 329       -e 's/l_len/Len/' \
 330       -e 's/l_pid/Pid/' \
 331     >> ${OUT}
 332
 333 # The signal numbers.
 334 grep '^const _SIG[^_]' gen-sysinfo.go | \
 335   grep -v '^const _SIGEV_' | \
 336   sed -e 's/^\(const \)_\(SIG[^= ]*\)\(.*\)$/\1\2 = Signal(_\2)/' >> ${OUT}
 337 if ! grep '^const SIGPOLL ' ${OUT} >/dev/null 2>&1; then
 338   if grep '^const SIGIO ' ${OUT} > /dev/null 2>&1; then
 339     echo "const SIGPOLL = SIGIO" >> ${OUT}
 340   fi
 341 fi
 342 if ! grep '^const SIGCLD ' ${OUT} >/dev/null 2>&1; then
 343   if grep '^const SIGCHLD ' ${OUT} >/dev/null 2>&1; then
 344     echo "const SIGCLD = SIGCHLD" >> ${OUT}
 345   fi
 346 fi
 347
 348 # The syscall numbers.  We force the names to upper case.
 349 grep '^const _SYS_' gen-sysinfo.go | \
 350   sed -e 's/const _\(SYS_[^= ]*\).*$/\1/' | \
 351   while read sys; do
 352     sup=`echo $sys | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ`
 353     echo "const $sup = _$sys" >> ${OUT}
 354   done
 355
 356 # The GNU/Linux support wants to use SYS_GETDENTS64 if available.
 357 if ! grep '^const SYS_GETDENTS ' ${OUT} >/dev/null 2>&1; then
 358   echo "const SYS_GETDENTS = 0" >> ${OUT}
 359 fi
 360 if ! grep '^const SYS_GETDENTS64 ' ${OUT} >/dev/null 2>&1; then
 361   echo "const SYS_GETDENTS64 = 0" >> ${OUT}
 362 fi
 363
 364 # Stat constants.
 365 grep '^const _S_' gen-sysinfo.go | \
 366   sed -e 's/^\(const \)_\(S_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 367
 368 # Mmap constants.
 369 grep '^const _PROT_' gen-sysinfo.go | \
 370   sed -e 's/^\(const \)_\(PROT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 371 grep '^const _MAP_' gen-sysinfo.go | \
 372   sed -e 's/^\(const \)_\(MAP_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 373 grep '^const _MADV_' gen-sysinfo.go | \
 374   sed -e 's/^\(const \)_\(MADV_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 375 grep '^const _MCL_' gen-sysinfo.go | \
 376   sed -e 's/^\(const \)_\(MCL_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 377
 378 # Process status constants.
 379 grep '^const _W' gen-sysinfo.go |
 380   sed -e 's/^\(const \)_\(W[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 381 # WSTOPPED was introduced in glibc 2.3.4.
 382 if ! grep '^const _WSTOPPED = ' gen-sysinfo.go >/dev/null 2>&1; then
 383   if grep '^const _WUNTRACED = ' gen-sysinfo.go > /dev/null 2>&1; then
 384     echo 'const WSTOPPED = _WUNTRACED' >> ${OUT}
 385   else
 386     echo 'const WSTOPPED = 2' >> ${OUT}
 387   fi
 388 fi
 389 if grep '^const ___WALL = ' gen-sysinfo.go >/dev/null 2>&1 \
 390    && ! grep '^const _WALL = ' gen-sysinfo.go >/dev/null 2>&1; then
 391   echo 'const WALL = ___WALL' >> ${OUT}
 392 fi
 393
 394 # Networking constants.
 395 egrep '^const _(AF|ARPHRD|ETH|IN|SOCK|SOL|SO|IPPROTO|TCP|IP|IPV6)_' gen-sysinfo.go |
 396   sed -e 's/^\(const \)_\([^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 397 grep '^const _SOMAXCONN' gen-sysinfo.go |
 398   sed -e 's/^\(const \)_\(SOMAXCONN[^= ]*\)\(.*\)$/\1\2 = _\2/' \
 399     >> ${OUT}
 400 grep '^const _SHUT_' gen-sysinfo.go |
 401   sed -e 's/^\(const \)_\(SHUT[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 402
 403 # The net package requires some const definitions.
 404 for m in IP_PKTINFO IPV6_V6ONLY IPPROTO_IPV6 IPV6_JOIN_GROUP IPV6_LEAVE_GROUP IPV6_TCLASS SO_REUSEPORT; do
 405   if ! grep "^const $m " ${OUT} >/dev/null 2>&1; then
 406     echo "const $m = 0" >> ${OUT}
 407   fi
 408 done
 409 for m in SOCK_CLOEXEC SOCK_NONBLOCK; do
 410   if ! grep "^const $m " ${OUT} >/dev/null 2>&1; then
 411     echo "const $m = -1" >> ${OUT}
 412   fi
 413 done
 414
 415 # The syscall package requires AF_LOCAL.
 416 if ! grep '^const AF_LOCAL ' ${OUT} >/dev/null 2>&1; then
 417   if grep '^const AF_UNIX ' ${OUT} >/dev/null 2>&1; then
 418     echo "const AF_LOCAL = AF_UNIX" >> ${OUT}
 419   fi
 420 fi
 421
 422 # pathconf constants.
 423 grep '^const __PC' gen-sysinfo.go |
 424   sed -e 's/^\(const \)__\(PC[^= ]*\)\(.*\)$/\1\2 = __\2/' >> ${OUT}
 425
 426 # The PATH_MAX constant.
 427 if grep '^const _PATH_MAX ' gen-sysinfo.go >/dev/null 2>&1; then
 428   echo 'const PathMax = _PATH_MAX' >> ${OUT}
 429 fi
 430
 431 # epoll constants.
 432 grep '^const _EPOLL' gen-sysinfo.go |
 433   sed -e 's/^\(const \)_\(EPOLL[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 434 # Make sure EPOLLRDHUP and EPOLL_CLOEXEC are defined.
 435 if ! grep '^const EPOLLRDHUP' ${OUT} >/dev/null 2>&1; then
 436   echo "const EPOLLRDHUP = 0x2000" >> ${OUT}
 437 fi
 438 if ! grep '^const EPOLL_CLOEXEC' ${OUT} >/dev/null 2>&1; then
 439   echo "const EPOLL_CLOEXEC = 02000000" >> ${OUT}
 440 fi
 441
 442 # Prctl constants.
 443 grep '^const _PR_' gen-sysinfo.go |
 444   sed -e 's/^\(const \)_\(PR_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 445
 446 # Ptrace constants.
 447 grep '^const _PTRACE' gen-sysinfo.go |
 448   sed -e 's/^\(const \)_\(PTRACE[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 449 # We need some ptrace options that are not defined in older versions
 450 # of glibc.
 451 if ! grep '^const PTRACE_SETOPTIONS' ${OUT} > /dev/null 2>&1; then
 452   echo "const PTRACE_SETOPTIONS = 0x4200" >> ${OUT}
 453 fi
 454 if ! grep '^const PTRACE_O_TRACESYSGOOD' ${OUT} > /dev/null 2>&1; then
 455   echo "const PTRACE_O_TRACESYSGOOD = 0x1" >> ${OUT}
 456 fi
 457 if ! grep '^const PTRACE_O_TRACEFORK' ${OUT} > /dev/null 2>&1; then
 458   echo "const PTRACE_O_TRACEFORK = 0x2" >> ${OUT}
 459 fi
 460 if ! grep '^const PTRACE_O_TRACEVFORK' ${OUT} > /dev/null 2>&1; then
 461   echo "const PTRACE_O_TRACEVFORK = 0x4" >> ${OUT}
 462 fi
 463 if ! grep '^const PTRACE_O_TRACECLONE' ${OUT} > /dev/null 2>&1; then
 464   echo "const PTRACE_O_TRACECLONE = 0x8" >> ${OUT}
 465 fi
 466 if ! grep '^const PTRACE_O_TRACEEXEC' ${OUT} > /dev/null 2>&1; then
 467   echo "const PTRACE_O_TRACEEXEC = 0x10" >> ${OUT}
 468 fi
 469 if ! grep '^const PTRACE_O_TRACEVFORKDONE' ${OUT} > /dev/null 2>&1; then
 470   echo "const PTRACE_O_TRACEVFORKDONE = 0x20" >> ${OUT}
 471 fi
 472 if ! grep '^const PTRACE_O_TRACEEXIT' ${OUT} > /dev/null 2>&1; then
 473   echo "const PTRACE_O_TRACEEXIT = 0x40" >> ${OUT}
 474 fi
 475 if ! grep '^const PTRACE_O_MASK' ${OUT} > /dev/null 2>&1; then
 476   echo "const PTRACE_O_MASK = 0x7f" >> ${OUT}
 477 fi
 478 if ! grep '^const _PTRACE_GETEVENTMSG' ${OUT} > /dev/null 2>&1; then
 479   echo "const PTRACE_GETEVENTMSG = 0x4201" >> ${OUT}
 480 fi
 481 if ! grep '^const PTRACE_EVENT_FORK' ${OUT} > /dev/null 2>&1; then
 482   echo "const PTRACE_EVENT_FORK = 1" >> ${OUT}
 483 fi
 484 if ! grep '^const PTRACE_EVENT_VFORK' ${OUT} > /dev/null 2>&1; then
 485   echo "const PTRACE_EVENT_VFORK = 2" >> ${OUT}
 486 fi
 487 if ! grep '^const PTRACE_EVENT_CLONE' ${OUT} > /dev/null 2>&1; then
 488   echo "const PTRACE_EVENT_CLONE = 3" >> ${OUT}
 489 fi
 490 if ! grep '^const PTRACE_EVENT_EXEC' ${OUT} > /dev/null 2>&1; then
 491   echo "const PTRACE_EVENT_EXEC = 4" >> ${OUT}
 492 fi
 493 if ! grep '^const PTRACE_EVENT_VFORK_DONE' ${OUT} > /dev/null 2>&1; then
 494   echo "const PTRACE_EVENT_VFORK_DONE = 5" >> ${OUT}
 495 fi
 496 if ! grep '^const PTRACE_EVENT_EXIT' ${OUT} > /dev/null 2>&1; then
 497   echo "const PTRACE_EVENT_EXIT = 6" >> ${OUT}
 498 fi
 499 if ! grep '^const _PTRACE_TRACEME' ${OUT} > /dev/null 2>&1; then
 500   echo "const _PTRACE_TRACEME = 0" >> ${OUT}
 501 fi
 502
 503 # A helper function that prints a structure from gen-sysinfo.go with the first
 504 # letter of the field names in upper case.  $1 is the name of structure.  If $2
 505 # is not empty, the structure or type is renamed to $2.
 506 upcase_fields () {
 507   name="$1"
 508   def=`grep "^type $name" gen-sysinfo.go`
 509   fields=`echo $def | sed -e 's/^[^{]*{\(.*\)}$/\1/'`
 510   prefix=`echo $def | sed -e 's/{.*//'`
 511   if test "$2" != ""; then
 512     prefix=`echo $prefix | sed -e "s/$1/$2/"`
 513   fi
 514   if test "$fields" != ""; then
 515     nfields=
 516     while test -n "$fields"; do
 517       field=`echo $fields | sed -e 's/^\([^;]*\);.*$/\1/'`
 518       fields=`echo $fields | sed -e 's/^[^;]*; *\(.*\)$/\1/'`
 519       # capitalize the next character.
 520       f=`echo $field | sed -e 's/^\(.\).*$/\1/'`
 521       r=`echo $field | sed -e 's/^.\(.*\)$/\1/'`
 522       f=`echo $f | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ`
 523       field="$f$r"
 524       nfields="$nfields $field;"
 525     done
 526     echo "${prefix} {$nfields }"
 527   fi
 528 }
 529
 530 # The registers returned by PTRACE_GETREGS.  This is probably
 531 # GNU/Linux specific; it should do no harm if there is no
 532 # _user_regs_struct.
 533 regs=`grep '^type _user_regs_struct struct' gen-sysinfo.go || true`
 534 if test "$regs" == ""; then
 535   # s390
 536   regs=`grep '^type __user_regs_struct struct' gen-sysinfo.go || true`
 537   if test "$regs" != ""; then
 538     # Substructures of __user_regs_struct on s390
 539     upcase_fields "__user_psw_struct" "PtracePsw" >> ${OUT} || true
 540     upcase_fields "__user_fpregs_struct" "PtraceFpregs" >> ${OUT} || true
 541     upcase_fields "__user_per_struct" "PtracePer" >> ${OUT} || true
 542   fi
 543 fi
 544 if test "$regs" != ""; then
 545   regs=`echo $regs |
 546     sed -e 's/type __*user_regs_struct struct //' -e 's/[{}]//g'`
 547   regs=`echo $regs | sed -e s'/^ *//'`
 548   nregs=
 549   while test -n "$regs"; do
 550     field=`echo $regs | sed -e 's/^\([^;]*\);.*$/\1/'`
 551     regs=`echo $regs | sed -e 's/^[^;]*; *\(.*\)$/\1/'`
 552     # Capitalize the first character of the field.
 553     f=`echo $field | sed -e 's/^\(.\).*$/\1/'`
 554     r=`echo $field | sed -e 's/^.\(.*\)$/\1/'`
 555     f=`echo $f | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ`
 556     field="$f$r"
 557     field=`echo "$field" | sed \
 558       -e 's/__user_psw_struct/PtracePsw/' \
 559       -e 's/__user_fpregs_struct/PtraceFpregs/' \
 560       -e 's/__user_per_struct/PtracePer/'`
 561     nregs="$nregs $field;"
 562   done
 563   echo "type PtraceRegs struct {$nregs }" >> ${OUT}
 564 fi
 565
 566 # Some basic types.
 567 echo 'type Size_t _size_t' >> ${OUT}
 568 echo "type Ssize_t _ssize_t" >> ${OUT}
 569 if grep '^const _HAVE_OFF64_T = ' gen-sysinfo.go > /dev/null 2>&1; then
 570   echo "type Offset_t _off64_t" >> ${OUT}
 571 else
 572   echo "type Offset_t _off_t" >> ${OUT}
 573 fi
 574 echo "type Mode_t _mode_t" >> ${OUT}
 575 echo "type Pid_t _pid_t" >> ${OUT}
 576 echo "type Uid_t _uid_t" >> ${OUT}
 577 echo "type Gid_t _gid_t" >> ${OUT}
 578 echo "type Socklen_t _socklen_t" >> ${OUT}
 579
 580 # The C int type.
 581 sizeof_int=`grep '^const ___SIZEOF_INT__ = ' gen-sysinfo.go | sed -e 's/.*= //'`
 582 if test "$sizeof_int" = "4"; then
 583   echo "type _C_int int32" >> ${OUT}
 584   echo "type _C_uint uint32" >> ${OUT}
 585 elif test "$sizeof_int" = "8"; then
 586   echo "type _C_int int64" >> ${OUT}
 587   echo "type _C_uint uint64" >> ${OUT}
 588 else
 589   echo 1>&2 "mksysinfo.sh: could not determine size of int (got $sizeof_int)"
 590   exit 1
 591 fi
 592
 593 # The C long type, needed because that is the type that ptrace returns.
 594 sizeof_long=`grep '^const ___SIZEOF_LONG__ = ' gen-sysinfo.go | sed -e 's/.*= //'`
 595 if test "$sizeof_long" = "4"; then
 596   echo "type _C_long int32" >> ${OUT}
 597 elif test "$sizeof_long" = "8"; then
 598   echo "type _C_long int64" >> ${OUT}
 599 else
 600   echo 1>&2 "mksysinfo.sh: could not determine size of long (got $sizeof_long)"
 601   exit 1
 602 fi
 603
 604 # Solaris 2 needs _u?pad128_t, but its default definition in terms of long
 605 # double is commented by -fdump-go-spec.
 606 if grep "^// type _pad128_t" gen-sysinfo.go > /dev/null 2>&1; then
 607   echo "type _pad128_t struct { _l [4]int32; }" >> ${OUT}
 608 fi
 609 if grep "^// type _upad128_t" gen-sysinfo.go > /dev/null 2>&1; then
 610   echo "type _upad128_t struct { _l [4]uint32; }" >> ${OUT}
 611 fi
 612
 613 # The time_t type.
 614 if grep '^type _time_t ' gen-sysinfo.go > /dev/null 2>&1; then
 615   echo 'type Time_t _time_t' >> ${OUT}
 616 fi
 617
 618 # The time structures need special handling: we need to name the
 619 # types, so that we can cast integers to the right types when
 620 # assigning to the structures.
 621 timeval=`grep '^type _timeval ' gen-sysinfo.go`
 622 timeval_sec=`echo $timeval | sed -n -e 's/^.*tv_sec \([^ ]*\);.*$/\1/p'`
 623 timeval_usec=`echo $timeval | sed -n -e 's/^.*tv_usec \([^ ]*\);.*$/\1/p'`
 624 echo "type Timeval_sec_t $timeval_sec" >> ${OUT}
 625 echo "type Timeval_usec_t $timeval_usec" >> ${OUT}
 626 echo $timeval | \
 627   sed -e 's/type _timeval /type Timeval /' \
 628       -e 's/tv_sec *[a-zA-Z0-9_]*/Sec Timeval_sec_t/' \
 629       -e 's/tv_usec *[a-zA-Z0-9_]*/Usec Timeval_usec_t/' >> ${OUT}
 630 timespec=`grep '^type _timespec ' gen-sysinfo.go || true`
 631 if test "$timespec" = ""; then
 632   # IRIX 6.5 has __timespec instead.
 633   timespec=`grep '^type ___timespec ' gen-sysinfo.go || true`
 634 fi
 635 timespec_sec=`echo $timespec | sed -n -e 's/^.*tv_sec \([^ ]*\);.*$/\1/p'`
 636 timespec_nsec=`echo $timespec | sed -n -e 's/^.*tv_nsec \([^ ]*\);.*$/\1/p'`
 637 echo "type Timespec_sec_t $timespec_sec" >> ${OUT}
 638 echo "type Timespec_nsec_t $timespec_nsec" >> ${OUT}
 639 echo $timespec | \
 640   sed -e 's/^type ___timespec /type Timespec /' \
 641       -e 's/^type _timespec /type Timespec /' \
 642       -e 's/tv_sec *[a-zA-Z0-9_]*/Sec Timespec_sec_t/' \
 643       -e 's/tv_nsec *[a-zA-Z0-9_]*/Nsec Timespec_nsec_t/' >> ${OUT}
 644
 645 timestruc=`grep '^type _timestruc_t ' gen-sysinfo.go || true`
 646 if test "$timestruc" != ""; then
 647   timestruc_sec=`echo $timestruc | sed -n -e 's/^.*tv_sec \([^ ]*\);.*$/\1/p'`
 648   timestruc_nsec=`echo $timestruc | sed -n -e 's/^.*tv_nsec \([^ ]*\);.*$/\1/p'`
 649   echo "type Timestruc_sec_t $timestruc_sec" >> ${OUT}
 650   echo "type Timestruc_nsec_t $timestruc_nsec" >> ${OUT}
 651   echo $timestruc | \
 652     sed -e 's/^type _timestruc_t /type Timestruc /' \
 653         -e 's/tv_sec *[a-zA-Z0-9_]*/Sec Timestruc_sec_t/' \
 654         -e 's/tv_nsec *[a-zA-Z0-9_]*/Nsec Timestruc_nsec_t/' >> ${OUT}
 655 fi
 656
 657 # The tms struct.
 658 grep '^type _tms ' gen-sysinfo.go | \
 659     sed -e 's/type _tms/type Tms/' \
 660       -e 's/tms_utime/Utime/' \
 661       -e 's/tms_stime/Stime/' \
 662       -e 's/tms_cutime/Cutime/' \
 663       -e 's/tms_cstime/Cstime/' \
 664     >> ${OUT}
 665
 666 # The stat type.
 667 # Prefer largefile variant if available.
 668 stat=`grep '^type _stat64 ' gen-sysinfo.go || true`
 669 if test "$stat" != ""; then
 670   grep '^type _stat64 ' gen-sysinfo.go
 671 else
 672   grep '^type _stat ' gen-sysinfo.go
 673 fi | sed -e 's/type _stat64/type Stat_t/' \
 674          -e 's/type _stat/type Stat_t/' \
 675          -e 's/st_dev/Dev/' \
 676          -e 's/st_ino/Ino/g' \
 677          -e 's/st_nlink/Nlink/' \
 678          -e 's/st_mode/Mode/' \
 679          -e 's/st_uid/Uid/' \
 680          -e 's/st_gid/Gid/' \
 681          -e 's/st_rdev/Rdev/' \
 682          -e 's/st_size/Size/' \
 683          -e 's/st_blksize/Blksize/' \
 684          -e 's/st_blocks/Blocks/' \
 685          -e 's/st_atim/Atim/' \
 686          -e 's/st_mtim/Mtim/' \
 687          -e 's/st_ctim/Ctim/' \
 688          -e 's/\([^a-zA-Z0-9_]\)_timeval\([^a-zA-Z0-9_]\)/\1Timeval\2/g' \
 689          -e 's/\([^a-zA-Z0-9_]\)_timespec_t\([^a-zA-Z0-9_]\)/\1Timespec\2/g' \
 690          -e 's/\([^a-zA-Z0-9_]\)_timespec\([^a-zA-Z0-9_]\)/\1Timespec\2/g' \
 691          -e 's/\([^a-zA-Z0-9_]\)_timestruc_t\([^a-zA-Z0-9_]\)/\1Timestruc\2/g' \
 692          -e 's/Godump_[0-9] struct { \([^;]*;\) };/\1/g' \
 693        >> ${OUT}
 694
 695 # The directory searching types.
 696 # Prefer largefile variant if available.
 697 dirent=`grep '^type _dirent64 ' gen-sysinfo.go || true`
 698 if test "$dirent" != ""; then
 699   grep '^type _dirent64 ' gen-sysinfo.go
 700 else
 701   grep '^type _dirent ' gen-sysinfo.go
 702 fi | sed -e 's/type _dirent64/type Dirent/' \
 703          -e 's/type _dirent/type Dirent/' \
 704          -e 's/d_name \[0+1\]/d_name [0+256]/' \
 705          -e 's/d_name/Name/' \
 706          -e 's/]int8/]byte/' \
 707          -e 's/d_ino/Ino/' \
 708          -e 's/d_off/Off/' \
 709          -e 's/d_reclen/Reclen/' \
 710          -e 's/d_type/Type/' \
 711       >> ${OUT}
 712 echo "type DIR _DIR" >> ${OUT}
 713
 714 # Values for d_type field in dirent.
 715 grep '^const _DT_' gen-sysinfo.go |
 716   sed -e 's/^\(const \)_\(DT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 717
 718 # The rusage struct.
 719 rusage=`grep '^type _rusage struct' gen-sysinfo.go`
 720 if test "$rusage" != ""; then
 721   # Remove anonymous unions from GNU/Linux <bits/resource.h>.
 722   rusage=`echo $rusage | sed -e 's/Godump_[0-9][0-9]* struct {\([^}]*\)};/\1/g'`
 723   rusage=`echo $rusage | sed -e 's/type _rusage struct //' -e 's/[{}]//g'`
 724   rusage=`echo $rusage | sed -e 's/^ *//'`
 725   nrusage=
 726   while test -n "$rusage"; do
 727     field=`echo $rusage | sed -e 's/^\([^;]*\);.*$/\1/'`
 728     rusage=`echo $rusage | sed -e 's/^[^;]*; *\(.*\)$/\1/'`
 729     # Drop the leading ru_, capitalize the next character.
 730     field=`echo $field | sed -e 's/^ru_//'`
 731     f=`echo $field | sed -e 's/^\(.\).*$/\1/'`
 732     r=`echo $field | sed -e 's/^.\(.*\)$/\1/'`
 733     f=`echo $f | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ`
 734     # Fix _timeval _timespec, and _timestruc_t.
 735     r=`echo $r | sed -e s'/ _timeval$/ Timeval/'`
 736     r=`echo $r | sed -e s'/ _timespec$/ Timespec/'`
 737     r=`echo $r | sed -e s'/ _timestruc_t$/ Timestruc/'`
 738     field="$f$r"
 739     nrusage="$nrusage $field;"
 740   done
 741   echo "type Rusage struct {$nrusage }" >> ${OUT}
 742 else
 743   echo "type Rusage struct {}" >> ${OUT}
 744 fi
 745
 746 # The RUSAGE constants.
 747 grep '^const _RUSAGE_' gen-sysinfo.go | \
 748   sed -e 's/^\(const \)_\(RUSAGE_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 749
 750 # The utsname struct.
 751 grep '^type _utsname ' gen-sysinfo.go | \
 752     sed -e 's/_utsname/Utsname/' \
 753       -e 's/sysname/Sysname/' \
 754       -e 's/nodename/Nodename/' \
 755       -e 's/release/Release/' \
 756       -e 's/version/Version/' \
 757       -e 's/machine/Machine/' \
 758       -e 's/domainname/Domainname/' \
 759     >> ${OUT}
 760
 761 # The iovec struct.
 762 iovec=`grep '^type _iovec ' gen-sysinfo.go`
 763 iovec_len=`echo $iovec | sed -n -e 's/^.*iov_len \([^ ]*\);.*$/\1/p'`
 764 echo "type Iovec_len_t $iovec_len" >> ${OUT}
 765 echo $iovec | \
 766     sed -e 's/_iovec/Iovec/' \
 767       -e 's/iov_base/Base/' \
 768       -e 's/iov_len *[a-zA-Z0-9_]*/Len Iovec_len_t/' \
 769     >> ${OUT}
 770
 771 # The msghdr struct.
 772 msghdr=`grep '^type _msghdr ' gen-sysinfo.go`
 773 msghdr_controllen=`echo $msghdr | sed -n -e 's/^.*msg_controllen \([^ ]*\);.*$/\1/p'`
 774 echo "type Msghdr_controllen_t $msghdr_controllen" >> ${OUT}
 775 echo $msghdr | \
 776     sed -e 's/_msghdr/Msghdr/' \
 777       -e 's/msg_name/Name/' \
 778       -e 's/msg_namelen/Namelen/' \
 779       -e 's/msg_iov/Iov/' \
 780       -e 's/msg_iovlen/Iovlen/' \
 781       -e 's/_iovec/Iovec/' \
 782       -e 's/msg_control/Control/' \
 783       -e 's/msg_controllen *[a-zA-Z0-9_]*/Controllen Msghdr_controllen_t/' \
 784       -e 's/msg_flags/Flags/' \
 785     >> ${OUT}
 786
 787 # The MSG_ flags for Msghdr.
 788 grep '^const _MSG_' gen-sysinfo.go | \
 789   sed -e 's/^\(const \)_\(MSG_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 790
 791 # The cmsghdr struct.
 792 cmsghdr=`grep '^type _cmsghdr ' gen-sysinfo.go`
 793 if test -n "$cmsghdr"; then
 794   cmsghdr_len=`echo $cmsghdr | sed -n -e 's/^.*cmsg_len \([^ ]*\);.*$/\1/p'`
 795   echo "type Cmsghdr_len_t $cmsghdr_len" >> ${OUT}
 796   echo "$cmsghdr" | \
 797       sed -e 's/_cmsghdr/Cmsghdr/' \
 798         -e 's/cmsg_len *[a-zA-Z0-9_]*/Len Cmsghdr_len_t/' \
 799         -e 's/cmsg_level/Level/' \
 800         -e 's/cmsg_type/Type/' \
 801         -e 's/\[\]/[0]/' \
 802       >> ${OUT}
 803 fi
 804
 805 # The SCM_ flags for Cmsghdr.
 806 grep '^const _SCM_' gen-sysinfo.go | \
 807   sed -e 's/^\(const \)_\(SCM_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 808
 809 # The ucred struct.
 810 upcase_fields "_ucred" "Ucred" >> ${OUT} || true
 811
 812 # The ip_mreq struct.
 813 grep '^type _ip_mreq ' gen-sysinfo.go | \
 814     sed -e 's/_ip_mreq/IPMreq/' \
 815       -e 's/imr_multiaddr/Multiaddr/' \
 816       -e 's/imr_interface/Interface/' \
 817       -e 's/_in_addr/[4]byte/g' \
 818     >> ${OUT}
 819
 820 # We need IPMreq to compile the net package.
 821 if ! grep 'type IPMreq ' ${OUT} >/dev/null 2>&1; then
 822   echo 'type IPMreq struct { Multiaddr [4]byte; Interface [4]byte; }' >> ${OUT}
 823 fi
 824
 825 # The ipv6_mreq struct.
 826 grep '^type _ipv6_mreq ' gen-sysinfo.go | \
 827     sed -e 's/_ipv6_mreq/IPv6Mreq/' \
 828       -e 's/ipv6mr_multiaddr/Multiaddr/' \
 829       -e 's/ipv6mr_interface/Interface/' \
 830       -e 's/_in6_addr/[16]byte/' \
 831     >> ${OUT}
 832
 833 # We need IPv6Mreq to compile the net package.
 834 if ! grep 'type IPv6Mreq ' ${OUT} >/dev/null 2>&1; then
 835   echo 'type IPv6Mreq struct { Multiaddr [16]byte; Interface uint32; }' >> ${OUT}
 836 fi
 837
 838 # The ip_mreqn struct.
 839 grep '^type _ip_mreqn ' gen-sysinfo.go | \
 840     sed -e 's/_ip_mreqn/IPMreqn/' \
 841       -e 's/imr_multiaddr/Multiaddr/' \
 842       -e 's/imr_address/Address/' \
 843       -e 's/imr_ifindex/Ifindex/' \
 844       -e 's/_in_addr/[4]byte/g' \
 845     >> ${OUT}
 846
 847 # We need IPMreq to compile the net package.
 848 if ! grep 'type IPMreqn ' ${OUT} >/dev/null 2>&1; then
 849   echo 'type IPMreqn struct { Multiaddr [4]byte; Interface [4]byte; Ifindex int32 }' >> ${OUT}
 850 fi
 851
 852 # The icmp6_filter struct.
 853 grep '^type _icmp6_filter ' gen-sysinfo.go | \
 854     sed -e 's/_icmp6_filter/ICMPv6Filter/' \
 855       -e 's/data/Data/' \
 856       -e 's/filt/Filt/' \
 857     >> ${OUT}
 858
 859 # We need ICMPv6Filter to compile the syscall package.
 860 if ! grep 'type ICMPv6Filter ' ${OUT} > /dev/null 2>&1; then
 861   echo 'type ICMPv6Filter struct { Data [8]uint32 }' >> ${OUT}
 862 fi
 863
 864 # Try to guess the type to use for fd_set.
 865 fd_set=`grep '^type _fd_set ' gen-sysinfo.go || true`
 866 fds_bits_type="_C_long"
 867 if test "$fd_set" != ""; then
 868     fds_bits_type=`echo $fd_set | sed -e 's/.*[]]\([^;]*\); }$/\1/'`
 869 fi
 870 echo "type fds_bits_type $fds_bits_type" >> ${OUT}
 871
 872 # The addrinfo struct.
 873 grep '^type _addrinfo ' gen-sysinfo.go | \
 874     sed -e 's/_addrinfo/Addrinfo/g' \
 875       -e 's/ ai_/ Ai_/g' \
 876     >> ${OUT}
 877
 878 # The addrinfo flags and errors.
 879 grep '^const _AI_' gen-sysinfo.go | \
 880   sed -e 's/^\(const \)_\(AI_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 881 grep '^const _EAI_' gen-sysinfo.go | \
 882   sed -e 's/^\(const \)_\(EAI_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 883
 884 # The passwd struct.
 885 grep '^type _passwd ' gen-sysinfo.go | \
 886     sed -e 's/_passwd/Passwd/' \
 887       -e 's/ pw_/ Pw_/g' \
 888     >> ${OUT}
 889
 890 # The ioctl flags for the controlling TTY.
 891 grep '^const _TIOC' gen-sysinfo.go | \
 892     grep -v '_val =' | \
 893     sed -e 's/^\(const \)_\(TIOC[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 894 grep '^const _TUNSET' gen-sysinfo.go | \
 895     grep -v '_val =' | \
 896     sed -e 's/^\(const \)_\(TUNSET[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 897 # We need TIOCGWINSZ.
 898 if ! grep '^const TIOCGWINSZ' ${OUT} >/dev/null 2>&1; then
 899   if grep '^const _TIOCGWINSZ_val' ${OUT} >/dev/null 2>&1; then
 900     echo 'const TIOCGWINSZ = _TIOCGWINSZ_val' >> ${OUT}
 901   fi
 902 fi
 903 if ! grep '^const TIOCSWINSZ' ${OUT} >/dev/null 2>&1; then
 904   if grep '^const _TIOCSWINSZ_val' ${OUT} >/dev/null 2>&1; then
 905     echo 'const TIOCSWINSZ = _TIOCSWINSZ_val' >> ${OUT}
 906   fi
 907 fi
 908 if ! grep '^const TIOCNOTTY' ${OUT} >/dev/null 2>&1; then
 909   if grep '^const _TIOCNOTTY_val' ${OUT} >/dev/null 2>&1; then
 910     echo 'const TIOCNOTTY = _TIOCNOTTY_val' >> ${OUT}
 911   fi
 912 fi
 913 if ! grep '^const TIOCSCTTY' ${OUT} >/dev/null 2>&1; then
 914   if grep '^const _TIOCSCTTY_val' ${OUT} >/dev/null 2>&1; then
 915     echo 'const TIOCSCTTY = _TIOCSCTTY_val' >> ${OUT}
 916   fi
 917 fi
 918 if ! grep '^const TIOCGPTN' ${OUT} >/dev/null 2>&1; then
 919   if grep '^const _TIOCGPTN_val' ${OUT} >/dev/null 2>&1; then
 920     echo 'const TIOCGPTN = _TIOCGPTN_val' >> ${OUT}
 921   fi
 922 fi
 923 if ! grep '^const TIOCSPTLCK' ${OUT} >/dev/null 2>&1; then
 924   if grep '^const _TIOCSPTLCK_val' ${OUT} >/dev/null 2>&1; then
 925     echo 'const TIOCSPTLCK = _TIOCSPTLCK_val' >> ${OUT}
 926   fi
 927 fi
 928 if ! grep '^const TIOCGDEV' ${OUT} >/dev/null 2>&1; then
 929   if grep '^const _TIOCGDEV_val' ${OUT} >/dev/null 2>&1; then
 930     echo 'const TIOCGDEV = _TIOCGDEV_val' >> ${OUT}
 931   fi
 932 fi
 933 if ! grep '^const TIOCSIG' ${OUT} >/dev/null 2>&1; then
 934   if grep '^const _TIOCSIG_val' ${OUT} >/dev/null 2>&1; then
 935     echo 'const TIOCSIG = _TIOCSIG_val' >> ${OUT}
 936   fi
 937 fi
 938
 939 if ! grep '^const TUNSETNOCSUM' ${OUT} >/dev/null 2>&1; then
 940   if grep '^const _TUNSETNOCSUM_val' ${OUT} >/dev/null 2>&1; then
 941     echo 'const TUNSETNOCSUM = _TUNSETNOCSUM_val' >> ${OUT}
 942   fi
 943 fi
 944
 945 if ! grep '^const TUNSETDEBUG' ${OUT} >/dev/null 2>&1; then
 946   if grep '^const _TUNSETDEBUG_val' ${OUT} >/dev/null 2>&1; then
 947     echo 'const TUNSETDEBUG = _TUNSETDEBUG_val' >> ${OUT}
 948   fi
 949 fi
 950
 951 if ! grep '^const TUNSETIFF' ${OUT} >/dev/null 2>&1; then
 952   if grep '^const _TUNSETIFF_val' ${OUT} >/dev/null 2>&1; then
 953     echo 'const TUNSETIFF = _TUNSETIFF_val' >> ${OUT}
 954   fi
 955 fi
 956
 957 if ! grep '^const TUNSETPERSIST' ${OUT} >/dev/null 2>&1; then
 958   if grep '^const _TUNSETPERSIST_val' ${OUT} >/dev/null 2>&1; then
 959     echo 'const TUNSETPERSIST = _TUNSETPERSIST_val' >> ${OUT}
 960   fi
 961 fi
 962
 963 if ! grep '^const TUNSETOWNER' ${OUT} >/dev/null 2>&1; then
 964   if grep '^const _TUNSETOWNER_val' ${OUT} >/dev/null 2>&1; then
 965     echo 'const TUNSETOWNER = _TUNSETOWNER_val' >> ${OUT}
 966   fi
 967 fi
 968
 969 if ! grep '^const TUNSETLINK' ${OUT} >/dev/null 2>&1; then
 970   if grep '^const _TUNSETLINK_val' ${OUT} >/dev/null 2>&1; then
 971     echo 'const TUNSETLINK = _TUNSETLINK_val' >> ${OUT}
 972   fi
 973 fi
 974
 975 if ! grep '^const TUNSETGROUP' ${OUT} >/dev/null 2>&1; then
 976   if grep '^const _TUNSETGROUP_val' ${OUT} >/dev/null 2>&1; then
 977     echo 'const TUNSETGROUP = _TUNSETGROUP_val' >> ${OUT}
 978   fi
 979 fi
 980
 981 if ! grep '^const TUNGETFEATURES' ${OUT} >/dev/null 2>&1; then
 982   if grep '^const _TUNGETFEATURES_val' ${OUT} >/dev/null 2>&1; then
 983     echo 'const TUNGETFEATURES = _TUNGETFEATURES_val' >> ${OUT}
 984   fi
 985 fi
 986
 987 if ! grep '^const TUNSETOFFLOAD' ${OUT} >/dev/null 2>&1; then
 988   if grep '^const _TUNSETOFFLOAD_val' ${OUT} >/dev/null 2>&1; then
 989     echo 'const TUNSETOFFLOAD = _TUNSETOFFLOAD_val' >> ${OUT}
 990   fi
 991 fi
 992
 993 if ! grep '^const TUNSETTXFILTER' ${OUT} >/dev/null 2>&1; then
 994   if grep '^const _TUNSETTXFILTER_val' ${OUT} >/dev/null 2>&1; then
 995     echo 'const TUNSETTXFILTER = _TUNSETTXFILTER_val' >> ${OUT}
 996   fi
 997 fi
 998
 999 if ! grep '^const TUNGETIFF' ${OUT} >/dev/null 2>&1; then
1000   if grep '^const _TUNGETIFF_val' ${OUT} >/dev/null 2>&1; then
1001     echo 'const TUNGETIFF = _TUNGETIFF_val' >> ${OUT}
1002   fi
1003 fi
1004
1005 if ! grep '^const TUNGETSNDBUF' ${OUT} >/dev/null 2>&1; then
1006   if grep '^const _TUNGETSNDBUF_val' ${OUT} >/dev/null 2>&1; then
1007     echo 'const TUNGETSNDBUF = _TUNGETSNDBUF_val' >> ${OUT}
1008   fi
1009 fi
1010
1011 if ! grep '^const TUNSETSNDBUF' ${OUT} >/dev/null 2>&1; then
1012   if grep '^const _TUNSETSNDBUF_val' ${OUT} >/dev/null 2>&1; then
1013     echo 'const TUNSETSNDBUF = _TUNSETSNDBUF_val' >> ${OUT}
1014   fi
1015 fi
1016
1017 if ! grep '^const TUNATTACHFILTER' ${OUT} >/dev/null 2>&1; then
1018   if grep '^const _TUNATTACHFILTER_val' ${OUT} >/dev/null 2>&1; then
1019     echo 'const TUNATTACHFILTER = _TUNATTACHFILTER_val' >> ${OUT}
1020   fi
1021 fi
1022
1023 if ! grep '^const TUNDETACHFILTER' ${OUT} >/dev/null 2>&1; then
1024   if grep '^const _TUNDETACHFILTER_val' ${OUT} >/dev/null 2>&1; then
1025     echo 'const TUNDETACHFILTER = _TUNDETACHFILTER_val' >> ${OUT}
1026   fi
1027 fi
1028
1029 if ! grep '^const TUNGETVNETHDRSZ'${OUT} >/dev/null 2>&1; then
1030   if grep '^const _TUNGETVNETHDRSZ_val' ${OUT} >/dev/null 2>&1; then
1031     echo 'const TUNGETVNETHDRSZ = _TUNGETVNETHDRSZ_val' >> ${OUT}
1032   fi
1033 fi
1034
1035 if ! grep '^const TUNSETVNETHDRSZ'${OUT} >/dev/null 2>&1; then
1036   if grep '^const _TUNSETVNETHDRSZ_val' ${OUT} >/dev/null 2>&1; then
1037     echo 'const TUNSETVNETHDRSZ = _TUNSETVNETHDRSZ_val' >> ${OUT}
1038   fi
1039 fi
1040
1041 if ! grep '^const TUNSETQUEUE'${OUT} >/dev/null 2>&1; then
1042   if grep '^const _TUNSETQUEUE_val' ${OUT} >/dev/null 2>&1; then
1043     echo 'const TUNSETQUEUE = _TUNSETQUEUE_val' >> ${OUT}
1044   fi
1045 fi
1046
1047
1048 if ! grep '^const TUNSETIFINDEX' ${OUT} >/dev/null 2>&1; then
1049   if grep '^const _TUNSETIFINDEX_val' ${OUT} >/dev/null 2>&1; then
1050     echo 'const TUNSETIFINDEX = _TUNSETIFINDEX_val' >> ${OUT}
1051   fi
1052 fi
1053
1054 if ! grep '^const TUNGETFILTER' ${OUT} >/dev/null 2>&1; then
1055   if grep '^const _TUNGETFILTER_val' ${OUT} >/dev/null 2>&1; then
1056     echo 'const TUNGETFILTER = _TUNGETFILTER_val' >> ${OUT}
1057   fi
1058 fi
1059
1060
1061
1062 # The ioctl flags for terminal control
1063 grep '^const _TC[GS]ET' gen-sysinfo.go | grep -v _val | \
1064     sed -e 's/^\(const \)_\(TC[GS]ET[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1065 if ! grep '^const TCGETS' ${OUT} >/dev/null 2>&1; then
1066   if grep '^const _TCGETS_val' ${OUT} >/dev/null 2>&1; then
1067     echo 'const TCGETS = _TCGETS_val' >> ${OUT}
1068   fi
1069 fi
1070 if ! grep '^const TCSETS' ${OUT} >/dev/null 2>&1; then
1071   if grep '^const _TCSETS_val' ${OUT} >/dev/null 2>&1; then
1072     echo 'const TCSETS = _TCSETS_val' >> ${OUT}
1073   fi
1074 fi
1075
1076 # ioctl constants.  Might fall back to 0 if TIOCNXCL is missing, too, but
1077 # needs handling in syscalls.exec.go.
1078 if ! grep '^const _TIOCSCTTY ' gen-sysinfo.go >/dev/null 2>&1; then
1079   if grep '^const _TIOCNXCL ' gen-sysinfo.go >/dev/null 2>&1; then
1080     echo "const TIOCSCTTY = TIOCNXCL" >> ${OUT}
1081   fi
1082 fi
1083
1084 # The nlmsghdr struct.
1085 grep '^type _nlmsghdr ' gen-sysinfo.go | \
1086     sed -e 's/_nlmsghdr/NlMsghdr/' \
1087       -e 's/nlmsg_len/Len/' \
1088       -e 's/nlmsg_type/Type/' \
1089       -e 's/nlmsg_flags/Flags/' \
1090       -e 's/nlmsg_seq/Seq/' \
1091       -e 's/nlmsg_pid/Pid/' \
1092     >> ${OUT}
1093
1094 # The nlmsg flags and operators.
1095 grep '^const _NLM' gen-sysinfo.go | \
1096     sed -e 's/^\(const \)_\(NLM[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1097
1098 # NLMSG_HDRLEN is defined as an expression using sizeof.
1099 if ! grep '^const NLMSG_HDRLEN' ${OUT} > /dev/null 2>&1; then
1100   if grep '^const _sizeof_nlmsghdr ' ${OUT} > /dev/null 2>&1; then
1101     echo 'const NLMSG_HDRLEN = (_sizeof_nlmsghdr + (NLMSG_ALIGNTO-1)) &^ (NLMSG_ALIGNTO-1)' >> ${OUT}
1102   fi
1103 fi
1104
1105 # The rtmsg struct.
1106 grep '^type _rtmsg ' gen-sysinfo.go | \
1107     sed -e 's/_rtmsg/RtMsg/' \
1108       -e 's/rtm_family/Family/' \
1109       -e 's/rtm_dst_len/Dst_len/' \
1110       -e 's/rtm_src_len/Src_len/' \
1111       -e 's/rtm_tos/Tos/' \
1112       -e 's/rtm_table/Table/' \
1113       -e 's/rtm_protocol/Protocol/' \
1114       -e 's/rtm_scope/Scope/' \
1115       -e 's/rtm_type/Type/' \
1116       -e 's/rtm_flags/Flags/' \
1117     >> ${OUT}
1118
1119 # The rtgenmsg struct.
1120 grep '^type _rtgenmsg ' gen-sysinfo.go | \
1121     sed -e 's/_rtgenmsg/RtGenmsg/' \
1122       -e 's/rtgen_family/Family/' \
1123     >> ${OUT}
1124
1125 # The routing message flags.
1126 grep '^const _RT_' gen-sysinfo.go | \
1127     sed -e 's/^\(const \)_\(RT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1128 grep '^const _RTA' gen-sysinfo.go | \
1129     sed -e 's/^\(const \)_\(RTA[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1130 grep '^const _RTF' gen-sysinfo.go | \
1131     sed -e 's/^\(const \)_\(RTF[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1132 grep '^const _RTCF' gen-sysinfo.go | \
1133     sed -e 's/^\(const \)_\(RTCF[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1134 grep '^const _RTM' gen-sysinfo.go | \
1135     sed -e 's/^\(const \)_\(RTM[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1136 grep '^const _RTN' gen-sysinfo.go | \
1137     sed -e 's/^\(const \)_\(RTN[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1138 grep '^const _RTPROT' gen-sysinfo.go | \
1139     sed -e 's/^\(const \)_\(RTPROT[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1140
1141 # The ifinfomsg struct.
1142 grep '^type _ifinfomsg ' gen-sysinfo.go | \
1143     sed -e 's/_ifinfomsg/IfInfomsg/' \
1144       -e 's/ifi_family/Family/' \
1145       -e 's/ifi_type/Type/' \
1146       -e 's/ifi_index/Index/' \
1147       -e 's/ifi_flags/Flags/' \
1148       -e 's/ifi_change/Change/' \
1149     >> ${OUT}
1150
1151 # The interface information types and flags.
1152 grep '^const _IFA' gen-sysinfo.go | \
1153     sed -e 's/^\(const \)_\(IFA[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1154 grep '^const _IFLA' gen-sysinfo.go | \
1155     sed -e 's/^\(const \)_\(IFLA[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1156 grep '^const _IFF' gen-sysinfo.go | \
1157     sed -e 's/^\(const \)_\(IFF[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1158 grep '^const _IFNAMSIZ' gen-sysinfo.go | \
1159     sed -e 's/^\(const \)_\(IFNAMSIZ[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1160 grep '^const _SIOC' gen-sysinfo.go |
1161     sed -e 's/^\(const \)_\(SIOC[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1162
1163 # The ifaddrmsg struct.
1164 grep '^type _ifaddrmsg ' gen-sysinfo.go | \
1165     sed -e 's/_ifaddrmsg/IfAddrmsg/' \
1166       -e 's/ifa_family/Family/' \
1167       -e 's/ifa_prefixlen/Prefixlen/' \
1168       -e 's/ifa_flags/Flags/' \
1169       -e 's/ifa_scope/Scope/' \
1170       -e 's/ifa_index/Index/' \
1171     >> ${OUT}
1172
1173 # The rtattr struct.
1174 grep '^type _rtattr ' gen-sysinfo.go | \
1175     sed -e 's/_rtattr/RtAttr/' \
1176       -e 's/rta_len/Len/' \
1177       -e 's/rta_type/Type/' \
1178     >> ${OUT}
1179
1180 # The in_pktinfo struct.
1181 grep '^type _in_pktinfo ' gen-sysinfo.go | \
1182     sed -e 's/_in_pktinfo/Inet4Pktinfo/' \
1183       -e 's/ipi_ifindex/Ifindex/' \
1184       -e 's/ipi_spec_dst/Spec_dst/' \
1185       -e 's/ipi_addr/Addr/' \
1186       -e 's/_in_addr/[4]byte/g' \
1187     >> ${OUT}
1188
1189 # The in6_pktinfo struct.
1190 grep '^type _in6_pktinfo ' gen-sysinfo.go | \
1191     sed -e 's/_in6_pktinfo/Inet6Pktinfo/' \
1192       -e 's/ipi6_addr/Addr/' \
1193       -e 's/ipi6_ifindex/Ifindex/' \
1194       -e 's/_in6_addr/[16]byte/' \
1195     >> ${OUT}
1196
1197 # The termios struct.
1198 grep '^type _termios ' gen-sysinfo.go | \
1199     sed -e 's/_termios/Termios/' \
1200       -e 's/c_iflag/Iflag/' \
1201       -e 's/c_oflag/Oflag/' \
1202       -e 's/c_cflag/Cflag/' \
1203       -e 's/c_lflag/Lflag/' \
1204       -e 's/c_line/Line/' \
1205       -e 's/c_cc/Cc/' \
1206       -e 's/c_ispeed/Ispeed/' \
1207       -e 's/c_ospeed/Ospeed/' \
1208     >> ${OUT}
1209
1210 # The termios constants.
1211 for n in IGNBRK BRKINT IGNPAR PARMRK INPCK ISTRIP INLCR IGNCR ICRNL IUCLC \
1212     IXON IXANY IXOFF IMAXBEL IUTF8 OPOST OLCUC ONLCR OCRNL ONOCR ONLRET \
1213     OFILL OFDEL NLDLY NL0 NL1 CRDLY CR0 CR1 CR2 CR3 CS5 CS6 CS7 CS8 TABDLY \
1214     BSDLY VTDLY FFDLY CBAUD CBAUDEX CSIZE CSTOPB CREAD PARENB PARODD HUPCL \
1215     CLOCAL LOBLK CIBAUD CMSPAR CRTSCTS ISIG ICANON XCASE ECHO ECHOE ECHOK \
1216     ECHONL ECHOCTL ECHOPRT ECHOKE DEFECHO FLUSHO NOFLSH TOSTOP PENDIN IEXTEN \
1217     VINTR VQUIT VERASE VKILL VEOF VMIN VEOL VTIME VEOL2 VSWTCH VSTART VSTOP \
1218     VSUSP VDSUSP VLNEXT VWERASE VREPRINT VDISCARD VSTATUS TCSANOW TCSADRAIN \
1219     TCSAFLUSH TCIFLUSH TCOFLUSH TCIOFLUSH TCOOFF TCOON TCIOFF TCION B0 B50 \
1220     B75 B110 B134 B150 B200 B300 B600 B1200 B1800 B2400 B4800 B9600 B19200 \
1221     B38400 B57600 B115200 B230400 B460800 B500000 B576000 B921600 B1000000 \
1222     B1152000 B1500000 B2000000 B2500000 B3000000 B3500000 B4000000; do
1223
1224     grep "^const _$n " gen-sysinfo.go | \
1225         sed -e 's/^\(const \)_\([^=]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1226 done
1227
1228 # The mount flags
1229 grep '^const _MNT_' gen-sysinfo.go |
1230     sed -e 's/^\(const \)_\(MNT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1231 grep '^const _MS_' gen-sysinfo.go |
1232     sed -e 's/^\(const \)_\(MS_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1233
1234 # The fallocate flags.
1235 grep '^const _FALLOC_' gen-sysinfo.go |
1236     sed -e 's/^\(const \)_\(FALLOC_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1237
1238 # The statfs struct.
1239 # Prefer largefile variant if available.
1240 statfs=`grep '^type _statfs64 ' gen-sysinfo.go || true`
1241 if test "$statfs" != ""; then
1242   grep '^type _statfs64 ' gen-sysinfo.go
1243 else
1244   grep '^type _statfs ' gen-sysinfo.go
1245 fi | sed -e 's/type _statfs64/type Statfs_t/' \
1246          -e 's/type _statfs/type Statfs_t/' \
1247          -e 's/f_type/Type/' \
1248          -e 's/f_bsize/Bsize/' \
1249          -e 's/f_blocks/Blocks/' \
1250          -e 's/f_bfree/Bfree/' \
1251          -e 's/f_bavail/Bavail/' \
1252          -e 's/f_files/Files/' \
1253          -e 's/f_ffree/Ffree/' \
1254          -e 's/f_fsid/Fsid/' \
1255          -e 's/f_namelen/Namelen/' \
1256          -e 's/f_frsize/Frsize/' \
1257          -e 's/f_flags/Flags/' \
1258          -e 's/f_spare/Spare/' \
1259     >> ${OUT}
1260
1261 # The timex struct.
1262 timex=`grep '^type _timex ' gen-sysinfo.go || true`
1263 if test "$timex" = ""; then
1264   timex=`grep '^// type _timex ' gen-sysinfo.go || true`
1265   if test "$timex" != ""; then
1266     timex=`echo $timex | sed -e 's|// ||' -e 's/INVALID-bit-field/int32/g'`
1267   fi
1268 fi
1269 if test "$timex" != ""; then
1270   echo "$timex" | \
1271     sed -e 's/_timex/Timex/' \
1272       -e 's/modes/Modes/' \
1273       -e 's/offset/Offset/' \
1274       -e 's/freq/Freq/' \
1275       -e 's/maxerror/Maxerror/' \
1276       -e 's/esterror/Esterror/' \
1277       -e 's/status/Status/' \
1278       -e 's/constant/Constant/' \
1279       -e 's/precision/Precision/' \
1280       -e 's/tolerance/Tolerance/' \
1281       -e 's/ time / Time /' \
1282       -e 's/tick/Tick/' \
1283       -e 's/ppsfreq/Ppsfreq/' \
1284       -e 's/jitter/Jitter/' \
1285       -e 's/shift/Shift/' \
1286       -e 's/stabil/Stabil/' \
1287       -e 's/jitcnt/Jitcnt/' \
1288       -e 's/calcnt/Calcnt/' \
1289       -e 's/errcnt/Errcnt/' \
1290       -e 's/stbcnt/Stbcnt/' \
1291       -e 's/tai/Tai/' \
1292       -e 's/_timeval/Timeval/' \
1293     >> ${OUT}
1294 fi
1295
1296 # The rlimit struct.
1297 grep '^type _rlimit ' gen-sysinfo.go | \
1298     sed -e 's/_rlimit/Rlimit/' \
1299       -e 's/rlim_cur/Cur/' \
1300       -e 's/rlim_max/Max/' \
1301     >> ${OUT}
1302
1303 # The RLIMIT constants.
1304 grep '^const _RLIMIT_' gen-sysinfo.go |
1305     sed -e 's/^\(const \)_\(RLIMIT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1306 grep '^const _RLIM_' gen-sysinfo.go |
1307     sed -e 's/^\(const \)_\(RLIM_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1308
1309 # The sysinfo struct.
1310 grep '^type _sysinfo ' gen-sysinfo.go | \
1311     sed -e 's/_sysinfo/Sysinfo_t/' \
1312       -e 's/uptime/Uptime/' \
1313       -e 's/loads/Loads/' \
1314       -e 's/totalram/Totalram/' \
1315       -e 's/freeram/Freeram/' \
1316       -e 's/sharedram/Sharedram/' \
1317       -e 's/bufferram/Bufferram/' \
1318       -e 's/totalswap/Totalswap/' \
1319       -e 's/freeswap/Freeswap/' \
1320       -e 's/procs/Procs/' \
1321       -e 's/totalhigh/Totalhigh/' \
1322       -e 's/freehigh/Freehigh/' \
1323       -e 's/mem_unit/Unit/' \
1324     >> ${OUT}
1325
1326 # The ustat struct.
1327 grep '^type _ustat ' gen-sysinfo.go | \
1328     sed -e 's/_ustat/Ustat_t/' \
1329       -e 's/f_tfree/Tfree/' \
1330       -e 's/f_tinode/Tinoe/' \
1331       -e 's/f_fname/Fname/' \
1332       -e 's/f_fpack/Fpack/' \
1333     >> ${OUT}
1334 # Force it to be defined, as on some older GNU/Linux systems the
1335 # header file fails when using with <linux/filter.h>.
1336 if ! grep 'type _ustat ' gen-sysinfo.go >/dev/null 2>&1; then
1337   echo 'type Ustat_t struct { Tfree int32; Tinoe uint64; Fname [5+1]int8; Fpack [5+1]int8; }' >> ${OUT}
1338 fi
1339
1340 # The utimbuf struct.
1341 grep '^type _utimbuf ' gen-sysinfo.go | \
1342     sed -e 's/_utimbuf/Utimbuf/' \
1343       -e 's/actime/Actime/' \
1344       -e 's/modtime/Modtime/' \
1345     >> ${OUT}
1346
1347 # The LOCK flags for flock.
1348 grep '^const _LOCK_' gen-sysinfo.go |
1349     sed -e 's/^\(const \)_\(LOCK_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1350
1351 # The PRIO constants.
1352 grep '^const _PRIO_' gen-sysinfo.go | \
1353   sed -e 's/^\(const \)_\(PRIO_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1354
1355 # The GNU/Linux LINUX_REBOOT flags.
1356 grep '^const _LINUX_REBOOT_' gen-sysinfo.go |
1357     sed -e 's/^\(const \)_\(LINUX_REBOOT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1358
1359 # The GNU/Linux sock_filter struct.
1360 grep '^type _sock_filter ' gen-sysinfo.go | \
1361     sed -e 's/_sock_filter/SockFilter/' \
1362       -e 's/code/Code/' \
1363       -e 's/jt/Jt/' \
1364       -e 's/jf/Jf/' \
1365       -e 's/k /K /' \
1366     >> ${OUT}
1367
1368 # The GNU/Linux sock_fprog struct.
1369 grep '^type _sock_fprog ' gen-sysinfo.go | \
1370     sed -e 's/_sock_fprog/SockFprog/' \
1371       -e 's/len/Len/' \
1372       -e 's/filter/Filter/' \
1373       -e 's/_sock_filter/SockFilter/' \
1374     >> ${OUT}
1375
1376 # The GNU/Linux filter flags.
1377 grep '^const _BPF_' gen-sysinfo.go | \
1378   sed -e 's/^\(const \)_\(BPF_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1379
1380 # The GNU/Linux nlattr struct.
1381 grep '^type _nlattr ' gen-sysinfo.go | \
1382     sed -e 's/_nlattr/NlAttr/' \
1383       -e 's/nla_len/Len/' \
1384       -e 's/nla_type/Type/' \
1385     >> ${OUT}
1386
1387 # The GNU/Linux nlmsgerr struct.
1388 grep '^type _nlmsgerr ' gen-sysinfo.go | \
1389     sed -e 's/_nlmsgerr/NlMsgerr/' \
1390       -e 's/error/Error/' \
1391       -e 's/msg/Msg/' \
1392       -e 's/_nlmsghdr/NlMsghdr/' \
1393     >> ${OUT}
1394
1395 # The GNU/Linux rtnexthop struct.
1396 grep '^type _rtnexthop ' gen-sysinfo.go | \
1397     sed -e 's/_rtnexthop/RtNexthop/' \
1398       -e 's/rtnh_len/Len/' \
1399       -e 's/rtnh_flags/Flags/' \
1400       -e 's/rtnh_hops/Hops/' \
1401       -e 's/rtnh_ifindex/Ifindex/' \
1402     >> ${OUT}
1403
1404 # The GNU/Linux netlink flags.
1405 grep '^const _NETLINK_' gen-sysinfo.go | \
1406   sed -e 's/^\(const \)_\(NETLINK_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1407 grep '^const _NLA_' gen-sysinfo.go | \
1408   sed -e 's/^\(const \)_\(NLA_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1409
1410 # The GNU/Linux packet socket flags.
1411 grep '^const _PACKET_' gen-sysinfo.go | \
1412   sed -e 's/^\(const \)_\(PACKET_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1413
1414 # The GNU/Linux inotify_event struct.
1415 grep '^type _inotify_event ' gen-sysinfo.go | \
1416     sed -e 's/_inotify_event/InotifyEvent/' \
1417       -e 's/wd/Wd/' \
1418       -e 's/mask/Mask/' \
1419       -e 's/cookie/Cookie/' \
1420       -e 's/len/Len/' \
1421       -e 's/name/Name/' \
1422       -e 's/\[\]/[0]/' \
1423       -e 's/\[0\]byte/[0]int8/' \
1424     >> ${OUT}
1425
1426 # The GNU/Linux CLONE flags.
1427 grep '^const _CLONE_' gen-sysinfo.go | \
1428   sed -e 's/^\(const \)_\(CLONE_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1429
1430 # Struct sizes.
1431 set cmsghdr Cmsghdr ip_mreq IPMreq ip_mreqn IPMreqn ipv6_mreq IPv6Mreq \
1432     ifaddrmsg IfAddrmsg ifinfomsg IfInfomsg in_pktinfo Inet4Pktinfo \
1433     in6_pktinfo Inet6Pktinfo inotify_event InotifyEvent linger Linger \
1434     msghdr Msghdr nlattr NlAttr nlmsgerr NlMsgerr nlmsghdr NlMsghdr \
1435     rtattr RtAttr rtgenmsg RtGenmsg rtmsg RtMsg rtnexthop RtNexthop \
1436     sock_filter SockFilter sock_fprog SockFprog ucred Ucred \
1437     icmp6_filter ICMPv6Filter
1438 while test $# != 0; do
1439     nc=$1
1440     ngo=$2
1441     shift
1442     shift
1443     if grep "^const _sizeof_$nc =" gen-sysinfo.go >/dev/null 2>&1; then
1444         echo "const Sizeof$ngo = _sizeof_$nc" >> ${OUT}
1445     fi
1446 done
1447
1448 # In order to compile the net package, we need some sizes to exist
1449 # even if the types do not.
1450 if ! grep 'const SizeofIPMreq ' ${OUT} >/dev/null 2>&1; then
1451     echo 'const SizeofIPMreq = 8' >> ${OUT}
1452 fi
1453 if ! grep 'const SizeofIPv6Mreq ' ${OUT} >/dev/null 2>&1; then
1454     echo 'const SizeofIPv6Mreq = 20' >> ${OUT}
1455 fi
1456 if ! grep 'const SizeofIPMreqn ' ${OUT} >/dev/null 2>&1; then
1457     echo 'const SizeofIPMreqn = 12' >> ${OUT}
1458 fi
1459 if ! grep 'const SizeofICMPv6Filter ' ${OUT} >/dev/null 2>&1; then
1460     echo 'const SizeofICMPv6Filter = 32' >> ${OUT}
1461 fi
1462
1463 # The Solaris 11 Update 1 _zone_net_addr_t struct.
1464 grep '^type _zone_net_addr_t ' gen-sysinfo.go | \
1465     sed -e 's/_in6_addr/[16]byte/' \
1466     >> ${OUT}
1467
1468 exit $?