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 from gen-sysinfo.go and errno.i.
   8
   9 # This shell script creates the sysinfo.go file which holds types and
  10 # constants extracted from the system header files.  This reads the
  11 # raw data from gen-sysinfo.go which is generated using the
  12 # -fdump-go-spec option.
  13
  14 # This currently exposes some names that ideally should not be
  15 # exposed, as they match grep patterns.  E.g., WCHAR_MIN gets exposed
  16 # because it starts with W, like the wait flags.
  17
  18 OUT=tmp-sysinfo.go
  19
  20 set -e
  21
  22 echo 'package syscall' > ${OUT}
  23 echo 'import "unsafe"' >> ${OUT}
  24 echo 'type _ unsafe.Pointer' >> ${OUT}
  25
  26 # Get all the consts and types, skipping ones which could not be
  27 # represented in Go and ones which we need to rewrite.  We also skip
  28 # function declarations, as we don't need them here.  All the symbols
  29 # will all have a leading underscore.
  30 grep -v '^// ' gen-sysinfo.go | \
  31   grep -v '^func' | \
  32   grep -v '^type _timeval ' | \
  33   grep -v '^type _timespec_t ' | \
  34   grep -v '^type _timespec ' | \
  35   grep -v '^type _timestruc_t ' | \
  36   grep -v '^type _epoll_' | \
  37   grep -v 'in6_addr' | \
  38   grep -v 'sockaddr_in6' | \
  39   sed -e 's/\([^a-zA-Z0-9_]\)_timeval\([^a-zA-Z0-9_]\)/\1Timeval\2/g' \
  40       -e 's/\([^a-zA-Z0-9_]\)_timespec_t\([^a-zA-Z0-9_]\)/\1Timespec\2/g' \
  41       -e 's/\([^a-zA-Z0-9_]\)_timespec\([^a-zA-Z0-9_]\)/\1Timespec\2/g' \
  42       -e 's/\([^a-zA-Z0-9_]\)_timestruc_t\([^a-zA-Z0-9_]\)/\1Timestruc\2/g' \
  43     >> ${OUT}
  44
  45 # The errno constants.  These get type Errno.
  46   egrep '#define E[A-Z0-9_]+ ' errno.i | \
  47   sed -e 's/^#define \(E[A-Z0-9_]*\) .*$/const \1 = Errno(_\1)/' >> ${OUT}
  48
  49 # The O_xxx flags.
  50 egrep '^const _(O|F|FD)_' gen-sysinfo.go | \
  51   sed -e 's/^\(const \)_\([^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
  52 if ! grep '^const O_ASYNC' ${OUT} >/dev/null 2>&1; then
  53   echo "const O_ASYNC = 0" >> ${OUT}
  54 fi
  55 if ! grep '^const O_CLOEXEC' ${OUT} >/dev/null 2>&1; then
  56   echo "const O_CLOEXEC = 0" >> ${OUT}
  57 fi
  58
  59 # The os package requires F_DUPFD_CLOEXEC to be defined.
  60 if ! grep '^const F_DUPFD_CLOEXEC' ${OUT} >/dev/null 2>&1; then
  61   echo "const F_DUPFD_CLOEXEC = 0" >> ${OUT}
  62 fi
  63
  64 # These flags can be lost on i386 GNU/Linux when using
  65 # -D_FILE_OFFSET_BITS=64, because we see "#define F_SETLK F_SETLK64"
  66 # before we see the definition of F_SETLK64.
  67 for flag in F_GETLK F_SETLK F_SETLKW; do
  68   if ! grep "^const ${flag} " ${OUT} >/dev/null 2>&1 \
  69       && grep "^const ${flag}64 " ${OUT} >/dev/null 2>&1; then
  70     echo "const ${flag} = ${flag}64" >> ${OUT}
  71   fi
  72 done
  73
  74 # The Flock_t struct for fcntl.
  75 grep '^type _flock ' gen-sysinfo.go | \
  76     sed -e 's/type _flock/type Flock_t/' \
  77       -e 's/l_type/Type/' \
  78       -e 's/l_whence/Whence/' \
  79       -e 's/l_start/Start/' \
  80       -e 's/l_len/Len/' \
  81       -e 's/l_pid/Pid/' \
  82     >> ${OUT}
  83
  84 # The signal numbers.
  85 grep '^const _SIG[^_]' gen-sysinfo.go | \
  86   grep -v '^const _SIGEV_' | \
  87   sed -e 's/^\(const \)_\(SIG[^= ]*\)\(.*\)$/\1\2 = Signal(_\2)/' >> ${OUT}
  88 if ! grep '^const SIGPOLL ' ${OUT} >/dev/null 2>&1; then
  89   if grep '^const SIGIO ' ${OUT} > /dev/null 2>&1; then
  90     echo "const SIGPOLL = SIGIO" >> ${OUT}
  91   fi
  92 fi
  93 if ! grep '^const SIGCLD ' ${OUT} >/dev/null 2>&1; then
  94   if grep '^const SIGCHLD ' ${OUT} >/dev/null 2>&1; then
  95     echo "const SIGCLD = SIGCHLD" >> ${OUT}
  96   fi
  97 fi
  98
  99 # The syscall numbers.  We force the names to upper case.
 100 grep '^const _SYS_' gen-sysinfo.go | \
 101   sed -e 's/const _\(SYS_[^= ]*\).*$/\1/' | \
 102   while read sys; do
 103     sup=`echo $sys | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ`
 104     echo "const $sup = _$sys" >> ${OUT}
 105   done
 106
 107 # The GNU/Linux support wants to use SYS_GETDENTS64 if available.
 108 if ! grep '^const SYS_GETDENTS ' ${OUT} >/dev/null 2>&1; then
 109   echo "const SYS_GETDENTS = 0" >> ${OUT}
 110 fi
 111 if ! grep '^const SYS_GETDENTS64 ' ${OUT} >/dev/null 2>&1; then
 112   echo "const SYS_GETDENTS64 = 0" >> ${OUT}
 113 fi
 114
 115 # Stat constants.
 116 grep '^const _S_' gen-sysinfo.go | \
 117   sed -e 's/^\(const \)_\(S_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 118
 119 # Mmap constants.
 120 grep '^const _PROT_' gen-sysinfo.go | \
 121   sed -e 's/^\(const \)_\(PROT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 122 grep '^const _MAP_' gen-sysinfo.go | \
 123   sed -e 's/^\(const \)_\(MAP_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 124 grep '^const _MADV_' gen-sysinfo.go | \
 125   sed -e 's/^\(const \)_\(MADV_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 126 grep '^const _MCL_' gen-sysinfo.go | \
 127   sed -e 's/^\(const \)_\(MCL_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 128
 129 # Process status constants.
 130 grep '^const _W' gen-sysinfo.go |
 131   sed -e 's/^\(const \)_\(W[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 132 # WSTOPPED was introduced in glibc 2.3.4.
 133 if ! grep '^const _WSTOPPED = ' gen-sysinfo.go >/dev/null 2>&1; then
 134   if grep '^const _WUNTRACED = ' gen-sysinfo.go > /dev/null 2>&1; then
 135     echo 'const WSTOPPED = _WUNTRACED' >> ${OUT}
 136   else
 137     echo 'const WSTOPPED = 2' >> ${OUT}
 138   fi
 139 fi
 140 if grep '^const ___WALL = ' gen-sysinfo.go >/dev/null 2>&1 \
 141    && ! grep '^const _WALL = ' gen-sysinfo.go >/dev/null 2>&1; then
 142   echo 'const WALL = ___WALL' >> ${OUT}
 143 fi
 144
 145 # Networking constants.
 146 egrep '^const _(AF|ARPHRD|ETH|IN|SOCK|SOL|SO|IPPROTO|TCP|IP|IPV6)_' gen-sysinfo.go |
 147   sed -e 's/^\(const \)_\([^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 148 grep '^const _SOMAXCONN' gen-sysinfo.go |
 149   sed -e 's/^\(const \)_\(SOMAXCONN[^= ]*\)\(.*\)$/\1\2 = _\2/' \
 150     >> ${OUT}
 151 grep '^const _SHUT_' gen-sysinfo.go |
 152   sed -e 's/^\(const \)_\(SHUT[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 153
 154 # The net package requires some const definitions.
 155 for m in IP_PKTINFO IPV6_V6ONLY IPPROTO_IPV6 IPV6_JOIN_GROUP IPV6_LEAVE_GROUP IPV6_TCLASS SO_REUSEPORT; do
 156   if ! grep "^const $m " ${OUT} >/dev/null 2>&1; then
 157     echo "const $m = 0" >> ${OUT}
 158   fi
 159 done
 160 for m in SOCK_CLOEXEC SOCK_NONBLOCK; do
 161   if ! grep "^const $m " ${OUT} >/dev/null 2>&1; then
 162     echo "const $m = -1" >> ${OUT}
 163   fi
 164 done
 165
 166 # The syscall package requires AF_LOCAL.
 167 if ! grep '^const AF_LOCAL ' ${OUT} >/dev/null 2>&1; then
 168   if grep '^const AF_UNIX ' ${OUT} >/dev/null 2>&1; then
 169     echo "const AF_LOCAL = AF_UNIX" >> ${OUT}
 170   fi
 171 fi
 172
 173 # sysconf constants.
 174 grep '^const __SC' gen-sysinfo.go |
 175   sed -e 's/^\(const \)__\(SC[^= ]*\)\(.*\)$/\1\2 = __\2/' >> ${OUT}
 176
 177 # pathconf constants.
 178 grep '^const __PC' gen-sysinfo.go |
 179   sed -e 's/^\(const \)__\(PC[^= ]*\)\(.*\)$/\1\2 = __\2/' >> ${OUT}
 180
 181 # The PATH_MAX constant.
 182 if grep '^const _PATH_MAX ' gen-sysinfo.go >/dev/null 2>&1; then
 183   echo 'const PathMax = _PATH_MAX' >> ${OUT}
 184 fi
 185
 186 # epoll constants.
 187 grep '^const _EPOLL' gen-sysinfo.go |
 188   sed -e 's/^\(const \)_\(EPOLL[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 189 # Make sure EPOLLRDHUP and EPOLL_CLOEXEC are defined.
 190 if ! grep '^const EPOLLRDHUP' ${OUT} >/dev/null 2>&1; then
 191   echo "const EPOLLRDHUP = 0x2000" >> ${OUT}
 192 fi
 193 if ! grep '^const EPOLL_CLOEXEC' ${OUT} >/dev/null 2>&1; then
 194   echo "const EPOLL_CLOEXEC = 02000000" >> ${OUT}
 195 fi
 196
 197 # Prctl constants.
 198 grep '^const _PR_' gen-sysinfo.go |
 199   sed -e 's/^\(const \)_\(PR_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 200
 201 # Ptrace constants.
 202 grep '^const _PTRACE' gen-sysinfo.go |
 203   sed -e 's/^\(const \)_\(PTRACE[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 204 # We need some ptrace options that are not defined in older versions
 205 # of glibc.
 206 if ! grep '^const PTRACE_SETOPTIONS' ${OUT} > /dev/null 2>&1; then
 207   echo "const PTRACE_SETOPTIONS = 0x4200" >> ${OUT}
 208 fi
 209 if ! grep '^const PTRACE_O_TRACESYSGOOD' ${OUT} > /dev/null 2>&1; then
 210   echo "const PTRACE_O_TRACESYSGOOD = 0x1" >> ${OUT}
 211 fi
 212 if ! grep '^const PTRACE_O_TRACEFORK' ${OUT} > /dev/null 2>&1; then
 213   echo "const PTRACE_O_TRACEFORK = 0x2" >> ${OUT}
 214 fi
 215 if ! grep '^const PTRACE_O_TRACEVFORK' ${OUT} > /dev/null 2>&1; then
 216   echo "const PTRACE_O_TRACEVFORK = 0x4" >> ${OUT}
 217 fi
 218 if ! grep '^const PTRACE_O_TRACECLONE' ${OUT} > /dev/null 2>&1; then
 219   echo "const PTRACE_O_TRACECLONE = 0x8" >> ${OUT}
 220 fi
 221 if ! grep '^const PTRACE_O_TRACEEXEC' ${OUT} > /dev/null 2>&1; then
 222   echo "const PTRACE_O_TRACEEXEC = 0x10" >> ${OUT}
 223 fi
 224 if ! grep '^const PTRACE_O_TRACEVFORKDONE' ${OUT} > /dev/null 2>&1; then
 225   echo "const PTRACE_O_TRACEVFORKDONE = 0x20" >> ${OUT}
 226 fi
 227 if ! grep '^const PTRACE_O_TRACEEXIT' ${OUT} > /dev/null 2>&1; then
 228   echo "const PTRACE_O_TRACEEXIT = 0x40" >> ${OUT}
 229 fi
 230 if ! grep '^const PTRACE_O_MASK' ${OUT} > /dev/null 2>&1; then
 231   echo "const PTRACE_O_MASK = 0x7f" >> ${OUT}
 232 fi
 233 if ! grep '^const _PTRACE_GETEVENTMSG' ${OUT} > /dev/null 2>&1; then
 234   echo "const PTRACE_GETEVENTMSG = 0x4201" >> ${OUT}
 235 fi
 236 if ! grep '^const PTRACE_EVENT_FORK' ${OUT} > /dev/null 2>&1; then
 237   echo "const PTRACE_EVENT_FORK = 1" >> ${OUT}
 238 fi
 239 if ! grep '^const PTRACE_EVENT_VFORK' ${OUT} > /dev/null 2>&1; then
 240   echo "const PTRACE_EVENT_VFORK = 2" >> ${OUT}
 241 fi
 242 if ! grep '^const PTRACE_EVENT_CLONE' ${OUT} > /dev/null 2>&1; then
 243   echo "const PTRACE_EVENT_CLONE = 3" >> ${OUT}
 244 fi
 245 if ! grep '^const PTRACE_EVENT_EXEC' ${OUT} > /dev/null 2>&1; then
 246   echo "const PTRACE_EVENT_EXEC = 4" >> ${OUT}
 247 fi
 248 if ! grep '^const PTRACE_EVENT_VFORK_DONE' ${OUT} > /dev/null 2>&1; then
 249   echo "const PTRACE_EVENT_VFORK_DONE = 5" >> ${OUT}
 250 fi
 251 if ! grep '^const PTRACE_EVENT_EXIT' ${OUT} > /dev/null 2>&1; then
 252   echo "const PTRACE_EVENT_EXIT = 6" >> ${OUT}
 253 fi
 254 if ! grep '^const _PTRACE_TRACEME' ${OUT} > /dev/null 2>&1; then
 255   echo "const _PTRACE_TRACEME = 0" >> ${OUT}
 256 fi
 257
 258 # A helper function that prints a structure from gen-sysinfo.go with the first
 259 # letter of the field names in upper case.  $1 is the name of structure.  If $2
 260 # is not empty, the structure or type is renamed to $2.
 261 upcase_fields () {
 262   name="$1"
 263   def=`grep "^type $name" gen-sysinfo.go`
 264   fields=`echo $def | sed -e 's/^[^{]*{\(.*\)}$/\1/'`
 265   prefix=`echo $def | sed -e 's/{.*//'`
 266   if test "$2" != ""; then
 267     prefix=`echo $prefix | sed -e "s/$1/$2/"`
 268   fi
 269   if test "$fields" != ""; then
 270     nfields=
 271     while test -n "$fields"; do
 272       field=`echo $fields | sed -e 's/^\([^;]*\);.*$/\1/'`
 273       fields=`echo $fields | sed -e 's/^[^;]*; *\(.*\)$/\1/'`
 274       # capitalize the next character.
 275       f=`echo $field | sed -e 's/^\(.\).*$/\1/'`
 276       r=`echo $field | sed -e 's/^.\(.*\)$/\1/'`
 277       f=`echo $f | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ`
 278       field="$f$r"
 279       nfields="$nfields $field;"
 280     done
 281     echo "${prefix} {$nfields }"
 282   fi
 283 }
 284
 285 # The registers returned by PTRACE_GETREGS.  This is probably
 286 # GNU/Linux specific; it should do no harm if there is no
 287 # _user_regs_struct.
 288 regs=`grep '^type _user_regs_struct struct' gen-sysinfo.go || true`
 289 if test "$regs" = ""; then
 290   # s390
 291   regs=`grep '^type __user_regs_struct struct' gen-sysinfo.go || true`
 292   if test "$regs" != ""; then
 293     # Substructures of __user_regs_struct on s390
 294     upcase_fields "__user_psw_struct" "PtracePsw" >> ${OUT} || true
 295     upcase_fields "__user_fpregs_struct" "PtraceFpregs" >> ${OUT} || true
 296     upcase_fields "__user_per_struct" "PtracePer" >> ${OUT} || true
 297   fi
 298 fi
 299 if test "$regs" != ""; then
 300   regs=`echo $regs |
 301     sed -e 's/type __*user_regs_struct struct //' -e 's/[{}]//g'`
 302   regs=`echo $regs | sed -e s'/^ *//'`
 303   nregs=
 304   while test -n "$regs"; do
 305     field=`echo $regs | sed -e 's/^\([^;]*\);.*$/\1/'`
 306     regs=`echo $regs | sed -e 's/^[^;]*; *\(.*\)$/\1/'`
 307     # Capitalize the first character of the field.
 308     f=`echo $field | sed -e 's/^\(.\).*$/\1/'`
 309     r=`echo $field | sed -e 's/^.\(.*\)$/\1/'`
 310     f=`echo $f | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ`
 311     field="$f$r"
 312     field=`echo "$field" | sed \
 313       -e 's/__user_psw_struct/PtracePsw/' \
 314       -e 's/__user_fpregs_struct/PtraceFpregs/' \
 315       -e 's/__user_per_struct/PtracePer/'`
 316     nregs="$nregs $field;"
 317   done
 318   echo "type PtraceRegs struct {$nregs }" >> ${OUT}
 319 fi
 320
 321 # Some basic types.
 322 echo 'type Size_t _size_t' >> ${OUT}
 323 echo "type Ssize_t _ssize_t" >> ${OUT}
 324 if grep '^const _HAVE_OFF64_T = ' gen-sysinfo.go > /dev/null 2>&1; then
 325   echo "type Offset_t _off64_t" >> ${OUT}
 326 else
 327   echo "type Offset_t _off_t" >> ${OUT}
 328 fi
 329 echo "type Mode_t _mode_t" >> ${OUT}
 330 echo "type Pid_t _pid_t" >> ${OUT}
 331 echo "type Uid_t _uid_t" >> ${OUT}
 332 echo "type Gid_t _gid_t" >> ${OUT}
 333 echo "type Socklen_t _socklen_t" >> ${OUT}
 334
 335 # The C int type.
 336 sizeof_int=`grep '^const ___SIZEOF_INT__ = ' gen-sysinfo.go | sed -e 's/.*= //'`
 337 if test "$sizeof_int" = "4"; then
 338   echo "type _C_int int32" >> ${OUT}
 339   echo "type _C_uint uint32" >> ${OUT}
 340 elif test "$sizeof_int" = "8"; then
 341   echo "type _C_int int64" >> ${OUT}
 342   echo "type _C_uint uint64" >> ${OUT}
 343 else
 344   echo 1>&2 "mksysinfo.sh: could not determine size of int (got $sizeof_int)"
 345   exit 1
 346 fi
 347
 348 # The C long type, needed because that is the type that ptrace returns.
 349 sizeof_long=`grep '^const ___SIZEOF_LONG__ = ' gen-sysinfo.go | sed -e 's/.*= //'`
 350 if test "$sizeof_long" = "4"; then
 351   echo "type _C_long int32" >> ${OUT}
 352 elif test "$sizeof_long" = "8"; then
 353   echo "type _C_long int64" >> ${OUT}
 354 else
 355   echo 1>&2 "mksysinfo.sh: could not determine size of long (got $sizeof_long)"
 356   exit 1
 357 fi
 358
 359 # Solaris 2 needs _u?pad128_t, but its default definition in terms of long
 360 # double is commented by -fdump-go-spec.
 361 if grep "^// type _pad128_t" gen-sysinfo.go > /dev/null 2>&1; then
 362   echo "type _pad128_t struct { _l [4]int32; }" >> ${OUT}
 363 fi
 364 if grep "^// type _upad128_t" gen-sysinfo.go > /dev/null 2>&1; then
 365   echo "type _upad128_t struct { _l [4]uint32; }" >> ${OUT}
 366 fi
 367
 368 # The time_t type.
 369 if grep '^type _time_t ' gen-sysinfo.go > /dev/null 2>&1; then
 370   echo 'type Time_t _time_t' >> ${OUT}
 371 fi
 372
 373 # The time structures need special handling: we need to name the
 374 # types, so that we can cast integers to the right types when
 375 # assigning to the structures.
 376 timeval=`grep '^type _timeval ' gen-sysinfo.go`
 377 timeval_sec=`echo $timeval | sed -n -e 's/^.*tv_sec \([^ ]*\);.*$/\1/p'`
 378 timeval_usec=`echo $timeval | sed -n -e 's/^.*tv_usec \([^ ]*\);.*$/\1/p'`
 379 echo "type Timeval_sec_t $timeval_sec" >> ${OUT}
 380 echo "type Timeval_usec_t $timeval_usec" >> ${OUT}
 381 echo $timeval | \
 382   sed -e 's/type _timeval /type Timeval /' \
 383       -e 's/tv_sec *[a-zA-Z0-9_]*/Sec Timeval_sec_t/' \
 384       -e 's/tv_usec *[a-zA-Z0-9_]*/Usec Timeval_usec_t/' >> ${OUT}
 385 timespec=`grep '^type _timespec ' gen-sysinfo.go || true`
 386 if test "$timespec" = ""; then
 387   # IRIX 6.5 has __timespec instead.
 388   timespec=`grep '^type ___timespec ' gen-sysinfo.go || true`
 389 fi
 390 timespec_sec=`echo $timespec | sed -n -e 's/^.*tv_sec \([^ ]*\);.*$/\1/p'`
 391 timespec_nsec=`echo $timespec | sed -n -e 's/^.*tv_nsec \([^ ]*\);.*$/\1/p'`
 392 echo "type Timespec_sec_t $timespec_sec" >> ${OUT}
 393 echo "type Timespec_nsec_t $timespec_nsec" >> ${OUT}
 394 echo $timespec | \
 395   sed -e 's/^type ___timespec /type Timespec /' \
 396       -e 's/^type _timespec /type Timespec /' \
 397       -e 's/tv_sec *[a-zA-Z0-9_]*/Sec Timespec_sec_t/' \
 398       -e 's/tv_nsec *[a-zA-Z0-9_]*/Nsec Timespec_nsec_t/' >> ${OUT}
 399
 400 timestruc=`grep '^type _timestruc_t ' gen-sysinfo.go || true`
 401 if test "$timestruc" != ""; then
 402   timestruc_sec=`echo $timestruc | sed -n -e 's/^.*tv_sec \([^ ]*\);.*$/\1/p'`
 403   timestruc_nsec=`echo $timestruc | sed -n -e 's/^.*tv_nsec \([^ ]*\);.*$/\1/p'`
 404   echo "type Timestruc_sec_t $timestruc_sec" >> ${OUT}
 405   echo "type Timestruc_nsec_t $timestruc_nsec" >> ${OUT}
 406   echo $timestruc | \
 407     sed -e 's/^type _timestruc_t /type Timestruc /' \
 408         -e 's/tv_sec *[a-zA-Z0-9_]*/Sec Timestruc_sec_t/' \
 409         -e 's/tv_nsec *[a-zA-Z0-9_]*/Nsec Timestruc_nsec_t/' >> ${OUT}
 410 fi
 411
 412 # The tms struct.
 413 grep '^type _tms ' gen-sysinfo.go | \
 414     sed -e 's/type _tms/type Tms/' \
 415       -e 's/tms_utime/Utime/' \
 416       -e 's/tms_stime/Stime/' \
 417       -e 's/tms_cutime/Cutime/' \
 418       -e 's/tms_cstime/Cstime/' \
 419     >> ${OUT}
 420
 421 # The stat type.
 422 # Prefer largefile variant if available.
 423 stat=`grep '^type _stat64 ' gen-sysinfo.go || true`
 424 if test "$stat" != ""; then
 425   grep '^type _stat64 ' gen-sysinfo.go
 426 else
 427   grep '^type _stat ' gen-sysinfo.go
 428 fi | sed -e 's/type _stat64/type Stat_t/' \
 429          -e 's/type _stat/type Stat_t/' \
 430          -e 's/st_dev/Dev/' \
 431          -e 's/st_ino/Ino/g' \
 432          -e 's/st_nlink/Nlink/' \
 433          -e 's/st_mode/Mode/' \
 434          -e 's/st_uid/Uid/' \
 435          -e 's/st_gid/Gid/' \
 436          -e 's/st_rdev/Rdev/' \
 437          -e 's/st_size/Size/' \
 438          -e 's/st_blksize/Blksize/' \
 439          -e 's/st_blocks/Blocks/' \
 440          -e 's/st_atim/Atim/' \
 441          -e 's/st_mtim/Mtim/' \
 442          -e 's/st_ctim/Ctim/' \
 443          -e 's/\([^a-zA-Z0-9_]\)_timeval\([^a-zA-Z0-9_]\)/\1Timeval\2/g' \
 444          -e 's/\([^a-zA-Z0-9_]\)_timespec_t\([^a-zA-Z0-9_]\)/\1Timespec\2/g' \
 445          -e 's/\([^a-zA-Z0-9_]\)_timespec\([^a-zA-Z0-9_]\)/\1Timespec\2/g' \
 446          -e 's/\([^a-zA-Z0-9_]\)_timestruc_t\([^a-zA-Z0-9_]\)/\1Timestruc\2/g' \
 447          -e 's/Godump_[0-9] struct { \([^;]*;\) };/\1/g' \
 448        >> ${OUT}
 449
 450 # The directory searching types.
 451 # Prefer largefile variant if available.
 452 dirent=`grep '^type _dirent64 ' gen-sysinfo.go || true`
 453 if test "$dirent" != ""; then
 454   grep '^type _dirent64 ' gen-sysinfo.go
 455 else
 456   grep '^type _dirent ' gen-sysinfo.go
 457 fi | sed -e 's/type _dirent64/type Dirent/' \
 458          -e 's/type _dirent/type Dirent/' \
 459          -e 's/d_name \[0+1\]/d_name [0+256]/' \
 460          -e 's/d_name/Name/' \
 461          -e 's/]int8/]byte/' \
 462          -e 's/d_ino/Ino/' \
 463          -e 's/d_off/Off/' \
 464          -e 's/d_reclen/Reclen/' \
 465          -e 's/d_type/Type/' \
 466       >> ${OUT}
 467 echo "type DIR _DIR" >> ${OUT}
 468
 469 # Values for d_type field in dirent.
 470 grep '^const _DT_' gen-sysinfo.go |
 471   sed -e 's/^\(const \)_\(DT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 472
 473 # The rusage struct.
 474 rusage=`grep '^type _rusage struct' gen-sysinfo.go`
 475 if test "$rusage" != ""; then
 476   # Remove anonymous unions from GNU/Linux <bits/resource.h>.
 477   rusage=`echo $rusage | sed -e 's/Godump_[0-9][0-9]* struct {\([^}]*\)};/\1/g'`
 478   rusage=`echo $rusage | sed -e 's/type _rusage struct //' -e 's/[{}]//g'`
 479   rusage=`echo $rusage | sed -e 's/^ *//'`
 480   nrusage=
 481   while test -n "$rusage"; do
 482     field=`echo $rusage | sed -e 's/^\([^;]*\);.*$/\1/'`
 483     rusage=`echo $rusage | sed -e 's/^[^;]*; *\(.*\)$/\1/'`
 484     # Drop the leading ru_, capitalize the next character.
 485     field=`echo $field | sed -e 's/^ru_//'`
 486     f=`echo $field | sed -e 's/^\(.\).*$/\1/'`
 487     r=`echo $field | sed -e 's/^.\(.*\)$/\1/'`
 488     f=`echo $f | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ`
 489     # Fix _timeval _timespec, and _timestruc_t.
 490     r=`echo $r | sed -e s'/ _timeval$/ Timeval/'`
 491     r=`echo $r | sed -e s'/ _timespec$/ Timespec/'`
 492     r=`echo $r | sed -e s'/ _timestruc_t$/ Timestruc/'`
 493     field="$f$r"
 494     nrusage="$nrusage $field;"
 495   done
 496   echo "type Rusage struct {$nrusage }" >> ${OUT}
 497 else
 498   echo "type Rusage struct {}" >> ${OUT}
 499 fi
 500
 501 # The RUSAGE constants.
 502 grep '^const _RUSAGE_' gen-sysinfo.go | \
 503   sed -e 's/^\(const \)_\(RUSAGE_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 504
 505 # The utsname struct.
 506 grep '^type _utsname ' gen-sysinfo.go | \
 507     sed -e 's/_utsname/Utsname/' \
 508       -e 's/sysname/Sysname/' \
 509       -e 's/nodename/Nodename/' \
 510       -e 's/release/Release/' \
 511       -e 's/version/Version/' \
 512       -e 's/machine/Machine/' \
 513       -e 's/domainname/Domainname/' \
 514     >> ${OUT}
 515
 516 # The iovec struct.
 517 iovec=`grep '^type _iovec ' gen-sysinfo.go`
 518 iovec_len=`echo $iovec | sed -n -e 's/^.*iov_len \([^ ]*\);.*$/\1/p'`
 519 echo "type Iovec_len_t $iovec_len" >> ${OUT}
 520 echo $iovec | \
 521     sed -e 's/_iovec/Iovec/' \
 522       -e 's/iov_base/Base/' \
 523       -e 's/iov_len *[a-zA-Z0-9_]*/Len Iovec_len_t/' \
 524     >> ${OUT}
 525
 526 # The msghdr struct.
 527 msghdr=`grep '^type _msghdr ' gen-sysinfo.go`
 528 msghdr_controllen=`echo $msghdr | sed -n -e 's/^.*msg_controllen \([^ ]*\);.*$/\1/p'`
 529 echo "type Msghdr_controllen_t $msghdr_controllen" >> ${OUT}
 530 echo $msghdr | \
 531     sed -e 's/_msghdr/Msghdr/' \
 532       -e 's/msg_name/Name/' \
 533       -e 's/msg_namelen/Namelen/' \
 534       -e 's/msg_iov/Iov/' \
 535       -e 's/msg_iovlen/Iovlen/' \
 536       -e 's/_iovec/Iovec/' \
 537       -e 's/msg_control/Control/' \
 538       -e 's/msg_controllen *[a-zA-Z0-9_]*/Controllen Msghdr_controllen_t/' \
 539       -e 's/msg_flags/Flags/' \
 540     >> ${OUT}
 541
 542 # The MSG_ flags for Msghdr.
 543 grep '^const _MSG_' gen-sysinfo.go | \
 544   sed -e 's/^\(const \)_\(MSG_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 545
 546 # The cmsghdr struct.
 547 cmsghdr=`grep '^type _cmsghdr ' gen-sysinfo.go`
 548 if test -n "$cmsghdr"; then
 549   cmsghdr_len=`echo $cmsghdr | sed -n -e 's/^.*cmsg_len \([^ ]*\);.*$/\1/p'`
 550   echo "type Cmsghdr_len_t $cmsghdr_len" >> ${OUT}
 551   echo "$cmsghdr" | \
 552       sed -e 's/_cmsghdr/Cmsghdr/' \
 553         -e 's/cmsg_len *[a-zA-Z0-9_]*/Len Cmsghdr_len_t/' \
 554         -e 's/cmsg_level/Level/' \
 555         -e 's/cmsg_type/Type/' \
 556         -e 's/\[\]/[0]/' \
 557       >> ${OUT}
 558 fi
 559
 560 # The SCM_ flags for Cmsghdr.
 561 grep '^const _SCM_' gen-sysinfo.go | \
 562   sed -e 's/^\(const \)_\(SCM_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 563
 564 # The ucred struct.
 565 upcase_fields "_ucred" "Ucred" >> ${OUT} || true
 566
 567 # The ip_mreq struct.
 568 grep '^type _ip_mreq ' gen-sysinfo.go | \
 569     sed -e 's/_ip_mreq/IPMreq/' \
 570       -e 's/imr_multiaddr/Multiaddr/' \
 571       -e 's/imr_interface/Interface/' \
 572       -e 's/_in_addr/[4]byte/g' \
 573     >> ${OUT}
 574
 575 # We need IPMreq to compile the net package.
 576 if ! grep 'type IPMreq ' ${OUT} >/dev/null 2>&1; then
 577   echo 'type IPMreq struct { Multiaddr [4]byte; Interface [4]byte; }' >> ${OUT}
 578 fi
 579
 580 # The ipv6_mreq struct.
 581 grep '^type _ipv6_mreq ' gen-sysinfo.go | \
 582     sed -e 's/_ipv6_mreq/IPv6Mreq/' \
 583       -e 's/ipv6mr_multiaddr/Multiaddr/' \
 584       -e 's/ipv6mr_interface/Interface/' \
 585       -e 's/_in6_addr/[16]byte/' \
 586     >> ${OUT}
 587
 588 # We need IPv6Mreq to compile the net package.
 589 if ! grep 'type IPv6Mreq ' ${OUT} >/dev/null 2>&1; then
 590   echo 'type IPv6Mreq struct { Multiaddr [16]byte; Interface uint32; }' >> ${OUT}
 591 fi
 592
 593 # The ip_mreqn struct.
 594 grep '^type _ip_mreqn ' gen-sysinfo.go | \
 595     sed -e 's/_ip_mreqn/IPMreqn/' \
 596       -e 's/imr_multiaddr/Multiaddr/' \
 597       -e 's/imr_address/Address/' \
 598       -e 's/imr_ifindex/Ifindex/' \
 599       -e 's/_in_addr/[4]byte/g' \
 600     >> ${OUT}
 601
 602 # We need IPMreq to compile the net package.
 603 if ! grep 'type IPMreqn ' ${OUT} >/dev/null 2>&1; then
 604   echo 'type IPMreqn struct { Multiaddr [4]byte; Interface [4]byte; Ifindex int32 }' >> ${OUT}
 605 fi
 606
 607 # The icmp6_filter struct.
 608 grep '^type _icmp6_filter ' gen-sysinfo.go | \
 609     sed -e 's/_icmp6_filter/ICMPv6Filter/' \
 610       -e 's/data/Data/' \
 611       -e 's/filt/Filt/' \
 612     >> ${OUT}
 613
 614 # We need ICMPv6Filter to compile the syscall package.
 615 if ! grep 'type ICMPv6Filter ' ${OUT} > /dev/null 2>&1; then
 616   echo 'type ICMPv6Filter struct { Data [8]uint32 }' >> ${OUT}
 617 fi
 618
 619 # The ip6_mtuinfo struct.
 620 grep '^type _ip6_mtuinfo ' gen-sysinfo.go | \
 621     sed -e 's/_ip6_mtuinfo/IPv6MTUInfo/' \
 622       -e 's/ip6m_addr/Addr/' \
 623       -e 's/_sockaddr_in6/RawSockaddrInet6/' \
 624       -e 's/ip6m_mtu/Mtu/' \
 625     >> ${OUT}
 626
 627 # Try to guess the type to use for fd_set.
 628 fd_set=`grep '^type _fd_set ' gen-sysinfo.go || true`
 629 fds_bits_type="_C_long"
 630 if test "$fd_set" != ""; then
 631     fds_bits_type=`echo $fd_set | sed -e 's/.*[]]\([^;]*\); }$/\1/'`
 632 fi
 633 echo "type fds_bits_type $fds_bits_type" >> ${OUT}
 634
 635 # The addrinfo struct.
 636 grep '^type _addrinfo ' gen-sysinfo.go | \
 637     sed -e 's/_addrinfo/Addrinfo/g' \
 638       -e 's/ ai_/ Ai_/g' \
 639     >> ${OUT}
 640
 641 # The addrinfo and nameinfo flags and errors.
 642 grep '^const _AI_' gen-sysinfo.go | \
 643   sed -e 's/^\(const \)_\(AI_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 644 grep '^const _EAI_' gen-sysinfo.go | \
 645   sed -e 's/^\(const \)_\(EAI_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 646 grep '^const _NI_' gen-sysinfo.go | \
 647   sed -e 's/^\(const \)_\(NI_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 648
 649 # The passwd struct.
 650 grep '^type _passwd ' gen-sysinfo.go | \
 651     sed -e 's/_passwd/Passwd/' \
 652       -e 's/ pw_/ Pw_/g' \
 653     >> ${OUT}
 654
 655 # The group struct.
 656 grep '^type _group ' gen-sysinfo.go | \
 657     sed -e 's/_group/Group/' \
 658       -e 's/ gr_/ Gr_/g' \
 659     >> ${OUT}
 660
 661 # The ioctl flags for the controlling TTY.
 662 grep '^const _TIOC' gen-sysinfo.go | \
 663     grep -v '_val =' | \
 664     sed -e 's/^\(const \)_\(TIOC[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 665 grep '^const _TUNSET' gen-sysinfo.go | \
 666     grep -v '_val =' | \
 667     sed -e 's/^\(const \)_\(TUNSET[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 668 # We need TIOCGWINSZ.
 669 if ! grep '^const TIOCGWINSZ' ${OUT} >/dev/null 2>&1; then
 670   if grep '^const _TIOCGWINSZ_val' ${OUT} >/dev/null 2>&1; then
 671     echo 'const TIOCGWINSZ = _TIOCGWINSZ_val' >> ${OUT}
 672   fi
 673 fi
 674 if ! grep '^const TIOCSWINSZ' ${OUT} >/dev/null 2>&1; then
 675   if grep '^const _TIOCSWINSZ_val' ${OUT} >/dev/null 2>&1; then
 676     echo 'const TIOCSWINSZ = _TIOCSWINSZ_val' >> ${OUT}
 677   fi
 678 fi
 679 if ! grep '^const TIOCNOTTY' ${OUT} >/dev/null 2>&1; then
 680   if grep '^const _TIOCNOTTY_val' ${OUT} >/dev/null 2>&1; then
 681     echo 'const TIOCNOTTY = _TIOCNOTTY_val' >> ${OUT}
 682   fi
 683 fi
 684 if ! grep '^const TIOCSCTTY' ${OUT} >/dev/null 2>&1; then
 685   if grep '^const _TIOCSCTTY_val' ${OUT} >/dev/null 2>&1; then
 686     echo 'const TIOCSCTTY = _TIOCSCTTY_val' >> ${OUT}
 687   fi
 688 fi
 689 if ! grep '^const TIOCGPGRP' ${OUT} >/dev/null 2>&1; then
 690   if grep '^const _TIOCGPGRP_val' ${OUT} >/dev/null 2>&1; then
 691     echo 'const TIOCGPGRP = _TIOCGPGRP_val' >> ${OUT}
 692   fi
 693 fi
 694 if ! grep '^const TIOCSPGRP' ${OUT} >/dev/null 2>&1; then
 695   if grep '^const _TIOCSPGRP_val' ${OUT} >/dev/null 2>&1; then
 696     echo 'const TIOCSPGRP = _TIOCSPGRP_val' >> ${OUT}
 697   fi
 698 fi
 699 if ! grep '^const TIOCGPTN' ${OUT} >/dev/null 2>&1; then
 700   if grep '^const _TIOCGPTN_val' ${OUT} >/dev/null 2>&1; then
 701     echo 'const TIOCGPTN = _TIOCGPTN_val' >> ${OUT}
 702   fi
 703 fi
 704 if ! grep '^const TIOCSPTLCK' ${OUT} >/dev/null 2>&1; then
 705   if grep '^const _TIOCSPTLCK_val' ${OUT} >/dev/null 2>&1; then
 706     echo 'const TIOCSPTLCK = _TIOCSPTLCK_val' >> ${OUT}
 707   fi
 708 fi
 709 if ! grep '^const TIOCGDEV' ${OUT} >/dev/null 2>&1; then
 710   if grep '^const _TIOCGDEV_val' ${OUT} >/dev/null 2>&1; then
 711     echo 'const TIOCGDEV = _TIOCGDEV_val' >> ${OUT}
 712   fi
 713 fi
 714 if ! grep '^const TIOCSIG' ${OUT} >/dev/null 2>&1; then
 715   if grep '^const _TIOCSIG_val' ${OUT} >/dev/null 2>&1; then
 716     echo 'const TIOCSIG = _TIOCSIG_val' >> ${OUT}
 717   fi
 718 fi
 719
 720 if ! grep '^const TUNSETNOCSUM' ${OUT} >/dev/null 2>&1; then
 721   if grep '^const _TUNSETNOCSUM_val' ${OUT} >/dev/null 2>&1; then
 722     echo 'const TUNSETNOCSUM = _TUNSETNOCSUM_val' >> ${OUT}
 723   fi
 724 fi
 725
 726 if ! grep '^const TUNSETDEBUG' ${OUT} >/dev/null 2>&1; then
 727   if grep '^const _TUNSETDEBUG_val' ${OUT} >/dev/null 2>&1; then
 728     echo 'const TUNSETDEBUG = _TUNSETDEBUG_val' >> ${OUT}
 729   fi
 730 fi
 731
 732 if ! grep '^const TUNSETIFF' ${OUT} >/dev/null 2>&1; then
 733   if grep '^const _TUNSETIFF_val' ${OUT} >/dev/null 2>&1; then
 734     echo 'const TUNSETIFF = _TUNSETIFF_val' >> ${OUT}
 735   fi
 736 fi
 737
 738 if ! grep '^const TUNSETPERSIST' ${OUT} >/dev/null 2>&1; then
 739   if grep '^const _TUNSETPERSIST_val' ${OUT} >/dev/null 2>&1; then
 740     echo 'const TUNSETPERSIST = _TUNSETPERSIST_val' >> ${OUT}
 741   fi
 742 fi
 743
 744 if ! grep '^const TUNSETOWNER' ${OUT} >/dev/null 2>&1; then
 745   if grep '^const _TUNSETOWNER_val' ${OUT} >/dev/null 2>&1; then
 746     echo 'const TUNSETOWNER = _TUNSETOWNER_val' >> ${OUT}
 747   fi
 748 fi
 749
 750 if ! grep '^const TUNSETLINK' ${OUT} >/dev/null 2>&1; then
 751   if grep '^const _TUNSETLINK_val' ${OUT} >/dev/null 2>&1; then
 752     echo 'const TUNSETLINK = _TUNSETLINK_val' >> ${OUT}
 753   fi
 754 fi
 755
 756 if ! grep '^const TUNSETGROUP' ${OUT} >/dev/null 2>&1; then
 757   if grep '^const _TUNSETGROUP_val' ${OUT} >/dev/null 2>&1; then
 758     echo 'const TUNSETGROUP = _TUNSETGROUP_val' >> ${OUT}
 759   fi
 760 fi
 761
 762 if ! grep '^const TUNGETFEATURES' ${OUT} >/dev/null 2>&1; then
 763   if grep '^const _TUNGETFEATURES_val' ${OUT} >/dev/null 2>&1; then
 764     echo 'const TUNGETFEATURES = _TUNGETFEATURES_val' >> ${OUT}
 765   fi
 766 fi
 767
 768 if ! grep '^const TUNSETOFFLOAD' ${OUT} >/dev/null 2>&1; then
 769   if grep '^const _TUNSETOFFLOAD_val' ${OUT} >/dev/null 2>&1; then
 770     echo 'const TUNSETOFFLOAD = _TUNSETOFFLOAD_val' >> ${OUT}
 771   fi
 772 fi
 773
 774 if ! grep '^const TUNSETTXFILTER' ${OUT} >/dev/null 2>&1; then
 775   if grep '^const _TUNSETTXFILTER_val' ${OUT} >/dev/null 2>&1; then
 776     echo 'const TUNSETTXFILTER = _TUNSETTXFILTER_val' >> ${OUT}
 777   fi
 778 fi
 779
 780 if ! grep '^const TUNGETIFF' ${OUT} >/dev/null 2>&1; then
 781   if grep '^const _TUNGETIFF_val' ${OUT} >/dev/null 2>&1; then
 782     echo 'const TUNGETIFF = _TUNGETIFF_val' >> ${OUT}
 783   fi
 784 fi
 785
 786 if ! grep '^const TUNGETSNDBUF' ${OUT} >/dev/null 2>&1; then
 787   if grep '^const _TUNGETSNDBUF_val' ${OUT} >/dev/null 2>&1; then
 788     echo 'const TUNGETSNDBUF = _TUNGETSNDBUF_val' >> ${OUT}
 789   fi
 790 fi
 791
 792 if ! grep '^const TUNSETSNDBUF' ${OUT} >/dev/null 2>&1; then
 793   if grep '^const _TUNSETSNDBUF_val' ${OUT} >/dev/null 2>&1; then
 794     echo 'const TUNSETSNDBUF = _TUNSETSNDBUF_val' >> ${OUT}
 795   fi
 796 fi
 797
 798 if ! grep '^const TUNATTACHFILTER' ${OUT} >/dev/null 2>&1; then
 799   if grep '^const _TUNATTACHFILTER_val' ${OUT} >/dev/null 2>&1; then
 800     echo 'const TUNATTACHFILTER = _TUNATTACHFILTER_val' >> ${OUT}
 801   fi
 802 fi
 803
 804 if ! grep '^const TUNDETACHFILTER' ${OUT} >/dev/null 2>&1; then
 805   if grep '^const _TUNDETACHFILTER_val' ${OUT} >/dev/null 2>&1; then
 806     echo 'const TUNDETACHFILTER = _TUNDETACHFILTER_val' >> ${OUT}
 807   fi
 808 fi
 809
 810 if ! grep '^const TUNGETVNETHDRSZ' ${OUT} >/dev/null 2>&1; then
 811   if grep '^const _TUNGETVNETHDRSZ_val' ${OUT} >/dev/null 2>&1; then
 812     echo 'const TUNGETVNETHDRSZ = _TUNGETVNETHDRSZ_val' >> ${OUT}
 813   fi
 814 fi
 815
 816 if ! grep '^const TUNSETVNETHDRSZ' ${OUT} >/dev/null 2>&1; then
 817   if grep '^const _TUNSETVNETHDRSZ_val' ${OUT} >/dev/null 2>&1; then
 818     echo 'const TUNSETVNETHDRSZ = _TUNSETVNETHDRSZ_val' >> ${OUT}
 819   fi
 820 fi
 821
 822 if ! grep '^const TUNSETQUEUE' ${OUT} >/dev/null 2>&1; then
 823   if grep '^const _TUNSETQUEUE_val' ${OUT} >/dev/null 2>&1; then
 824     echo 'const TUNSETQUEUE = _TUNSETQUEUE_val' >> ${OUT}
 825   fi
 826 fi
 827
 828
 829 if ! grep '^const TUNSETIFINDEX' ${OUT} >/dev/null 2>&1; then
 830   if grep '^const _TUNSETIFINDEX_val' ${OUT} >/dev/null 2>&1; then
 831     echo 'const TUNSETIFINDEX = _TUNSETIFINDEX_val' >> ${OUT}
 832   fi
 833 fi
 834
 835 if ! grep '^const TUNGETFILTER' ${OUT} >/dev/null 2>&1; then
 836   if grep '^const _TUNGETFILTER_val' ${OUT} >/dev/null 2>&1; then
 837     echo 'const TUNGETFILTER = _TUNGETFILTER_val' >> ${OUT}
 838   fi
 839 fi
 840
 841 # The ioctl flags for terminal control
 842 grep '^const _TC[GS]ET' gen-sysinfo.go | grep -v _val | \
 843     sed -e 's/^\(const \)_\(TC[GS]ET[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 844 if ! grep '^const TCGETS' ${OUT} >/dev/null 2>&1; then
 845   if grep '^const _TCGETS_val' ${OUT} >/dev/null 2>&1; then
 846     echo 'const TCGETS = _TCGETS_val' >> ${OUT}
 847   fi
 848 fi
 849 if ! grep '^const TCSETS' ${OUT} >/dev/null 2>&1; then
 850   if grep '^const _TCSETS_val' ${OUT} >/dev/null 2>&1; then
 851     echo 'const TCSETS = _TCSETS_val' >> ${OUT}
 852   fi
 853 fi
 854
 855 # ioctl constants.  Might fall back to 0 if TIOCNXCL is missing, too, but
 856 # needs handling in syscalls.exec.go.
 857 if ! grep '^const _TIOCSCTTY ' gen-sysinfo.go >/dev/null 2>&1; then
 858   if grep '^const _TIOCNXCL ' gen-sysinfo.go >/dev/null 2>&1; then
 859     echo "const TIOCSCTTY = TIOCNXCL" >> ${OUT}
 860   fi
 861 fi
 862
 863 # The nlmsghdr struct.
 864 grep '^type _nlmsghdr ' gen-sysinfo.go | \
 865     sed -e 's/_nlmsghdr/NlMsghdr/' \
 866       -e 's/nlmsg_len/Len/' \
 867       -e 's/nlmsg_type/Type/' \
 868       -e 's/nlmsg_flags/Flags/' \
 869       -e 's/nlmsg_seq/Seq/' \
 870       -e 's/nlmsg_pid/Pid/' \
 871     >> ${OUT}
 872
 873 # The nlmsg flags and operators.
 874 grep '^const _NLM' gen-sysinfo.go | \
 875     sed -e 's/^\(const \)_\(NLM[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 876
 877 # NLMSG_HDRLEN is defined as an expression using sizeof.
 878 if ! grep '^const NLMSG_HDRLEN' ${OUT} > /dev/null 2>&1; then
 879   if grep '^const _sizeof_nlmsghdr ' ${OUT} > /dev/null 2>&1; then
 880     echo 'const NLMSG_HDRLEN = (_sizeof_nlmsghdr + (NLMSG_ALIGNTO-1)) &^ (NLMSG_ALIGNTO-1)' >> ${OUT}
 881   fi
 882 fi
 883
 884 # The rtmsg struct.
 885 grep '^type _rtmsg ' gen-sysinfo.go | \
 886     sed -e 's/_rtmsg/RtMsg/' \
 887       -e 's/rtm_family/Family/' \
 888       -e 's/rtm_dst_len/Dst_len/' \
 889       -e 's/rtm_src_len/Src_len/' \
 890       -e 's/rtm_tos/Tos/' \
 891       -e 's/rtm_table/Table/' \
 892       -e 's/rtm_protocol/Protocol/' \
 893       -e 's/rtm_scope/Scope/' \
 894       -e 's/rtm_type/Type/' \
 895       -e 's/rtm_flags/Flags/' \
 896     >> ${OUT}
 897
 898 # The rtgenmsg struct.
 899 grep '^type _rtgenmsg ' gen-sysinfo.go | \
 900     sed -e 's/_rtgenmsg/RtGenmsg/' \
 901       -e 's/rtgen_family/Family/' \
 902     >> ${OUT}
 903
 904 # The routing message flags.
 905 grep '^const _RT_' gen-sysinfo.go | \
 906     sed -e 's/^\(const \)_\(RT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 907 grep '^const _RTA' gen-sysinfo.go | \
 908     sed -e 's/^\(const \)_\(RTA[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 909 grep '^const _RTF' gen-sysinfo.go | \
 910     sed -e 's/^\(const \)_\(RTF[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 911 grep '^const _RTCF' gen-sysinfo.go | \
 912     sed -e 's/^\(const \)_\(RTCF[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 913 grep '^const _RTM' gen-sysinfo.go | \
 914     sed -e 's/^\(const \)_\(RTM[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 915 grep '^const _RTN' gen-sysinfo.go | \
 916     sed -e 's/^\(const \)_\(RTN[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 917 grep '^const _RTPROT' gen-sysinfo.go | \
 918     sed -e 's/^\(const \)_\(RTPROT[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 919
 920 # The ifinfomsg struct.
 921 grep '^type _ifinfomsg ' gen-sysinfo.go | \
 922     sed -e 's/_ifinfomsg/IfInfomsg/' \
 923       -e 's/ifi_family/Family/' \
 924       -e 's/ifi_type/Type/' \
 925       -e 's/ifi_index/Index/' \
 926       -e 's/ifi_flags/Flags/' \
 927       -e 's/ifi_change/Change/' \
 928     >> ${OUT}
 929
 930 # The interface information types and flags.
 931 grep '^const _IFA' gen-sysinfo.go | \
 932     sed -e 's/^\(const \)_\(IFA[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 933 grep '^const _IFLA' gen-sysinfo.go | \
 934     sed -e 's/^\(const \)_\(IFLA[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 935 grep '^const _IFF' gen-sysinfo.go | \
 936     sed -e 's/^\(const \)_\(IFF[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 937 grep '^const _IFNAMSIZ' gen-sysinfo.go | \
 938     sed -e 's/^\(const \)_\(IFNAMSIZ[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 939 grep '^const _SIOC' gen-sysinfo.go |
 940     sed -e 's/^\(const \)_\(SIOC[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 941
 942 # The ifaddrmsg struct.
 943 grep '^type _ifaddrmsg ' gen-sysinfo.go | \
 944     sed -e 's/_ifaddrmsg/IfAddrmsg/' \
 945       -e 's/ifa_family/Family/' \
 946       -e 's/ifa_prefixlen/Prefixlen/' \
 947       -e 's/ifa_flags/Flags/' \
 948       -e 's/ifa_scope/Scope/' \
 949       -e 's/ifa_index/Index/' \
 950     >> ${OUT}
 951
 952 # The rtattr struct.
 953 grep '^type _rtattr ' gen-sysinfo.go | \
 954     sed -e 's/_rtattr/RtAttr/' \
 955       -e 's/rta_len/Len/' \
 956       -e 's/rta_type/Type/' \
 957     >> ${OUT}
 958
 959 # The in_pktinfo struct.
 960 grep '^type _in_pktinfo ' gen-sysinfo.go | \
 961     sed -e 's/_in_pktinfo/Inet4Pktinfo/' \
 962       -e 's/ipi_ifindex/Ifindex/' \
 963       -e 's/ipi_spec_dst/Spec_dst/' \
 964       -e 's/ipi_addr/Addr/' \
 965       -e 's/_in_addr/[4]byte/g' \
 966     >> ${OUT}
 967
 968 # The in6_pktinfo struct.
 969 grep '^type _in6_pktinfo ' gen-sysinfo.go | \
 970     sed -e 's/_in6_pktinfo/Inet6Pktinfo/' \
 971       -e 's/ipi6_addr/Addr/' \
 972       -e 's/ipi6_ifindex/Ifindex/' \
 973       -e 's/_in6_addr/[16]byte/' \
 974     >> ${OUT}
 975
 976 # The termios struct.
 977 grep '^type _termios ' gen-sysinfo.go | \
 978     sed -e 's/_termios/Termios/' \
 979       -e 's/c_iflag/Iflag/' \
 980       -e 's/c_oflag/Oflag/' \
 981       -e 's/c_cflag/Cflag/' \
 982       -e 's/c_lflag/Lflag/' \
 983       -e 's/c_line/Line/' \
 984       -e 's/c_cc/Cc/' \
 985       -e 's/c_ispeed/Ispeed/' \
 986       -e 's/c_ospeed/Ospeed/' \
 987     >> ${OUT}
 988
 989 # The termios constants.
 990 for n in IGNBRK BRKINT IGNPAR PARMRK INPCK ISTRIP INLCR IGNCR ICRNL IUCLC \
 991     IXON IXANY IXOFF IMAXBEL IUTF8 OPOST OLCUC ONLCR OCRNL ONOCR ONLRET \
 992     OFILL OFDEL NLDLY NL0 NL1 CRDLY CR0 CR1 CR2 CR3 CS5 CS6 CS7 CS8 TABDLY \
 993     BSDLY VTDLY FFDLY CBAUD CBAUDEX CSIZE CSTOPB CREAD PARENB PARODD HUPCL \
 994     CLOCAL LOBLK CIBAUD CMSPAR CRTSCTS ISIG ICANON XCASE ECHO ECHOE ECHOK \
 995     ECHONL ECHOCTL ECHOPRT ECHOKE DEFECHO FLUSHO NOFLSH TOSTOP PENDIN IEXTEN \
 996     VINTR VQUIT VERASE VKILL VEOF VMIN VEOL VTIME VEOL2 VSWTCH VSTART VSTOP \
 997     VSUSP VDSUSP VLNEXT VWERASE VREPRINT VDISCARD VSTATUS TCSANOW TCSADRAIN \
 998     TCSAFLUSH TCIFLUSH TCOFLUSH TCIOFLUSH TCOOFF TCOON TCIOFF TCION B0 B50 \
 999     B75 B110 B134 B150 B200 B300 B600 B1200 B1800 B2400 B4800 B9600 B19200 \
1000     B38400 B57600 B115200 B230400 B460800 B500000 B576000 B921600 B1000000 \
1001     B1152000 B1500000 B2000000 B2500000 B3000000 B3500000 B4000000; do
1002
1003     grep "^const _$n " gen-sysinfo.go | \
1004         sed -e 's/^\(const \)_\([^=]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1005 done
1006
1007 # The mount flags
1008 grep '^const _MNT_' gen-sysinfo.go |
1009     sed -e 's/^\(const \)_\(MNT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1010 grep '^const _MS_' gen-sysinfo.go |
1011     sed -e 's/^\(const \)_\(MS_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1012
1013 # The fallocate flags.
1014 grep '^const _FALLOC_' gen-sysinfo.go |
1015     sed -e 's/^\(const \)_\(FALLOC_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1016
1017 # The statfs struct.
1018 # Prefer largefile variant if available.
1019 statfs=`grep '^type _statfs64 ' gen-sysinfo.go || true`
1020 if test "$statfs" != ""; then
1021   grep '^type _statfs64 ' gen-sysinfo.go
1022 else
1023   grep '^type _statfs ' gen-sysinfo.go
1024 fi | sed -e 's/type _statfs64/type Statfs_t/' \
1025          -e 's/type _statfs/type Statfs_t/' \
1026          -e 's/f_type/Type/' \
1027          -e 's/f_bsize/Bsize/' \
1028          -e 's/f_blocks/Blocks/' \
1029          -e 's/f_bfree/Bfree/' \
1030          -e 's/f_bavail/Bavail/' \
1031          -e 's/f_files/Files/' \
1032          -e 's/f_ffree/Ffree/' \
1033          -e 's/f_fsid/Fsid/' \
1034          -e 's/f_namelen/Namelen/' \
1035          -e 's/f_frsize/Frsize/' \
1036          -e 's/f_flags/Flags/' \
1037          -e 's/f_spare/Spare/' \
1038     >> ${OUT}
1039
1040 # The timex struct.
1041 timex=`grep '^type _timex ' gen-sysinfo.go || true`
1042 if test "$timex" = ""; then
1043   timex=`grep '^// type _timex ' gen-sysinfo.go || true`
1044   if test "$timex" != ""; then
1045     timex=`echo $timex | sed -e 's|// ||' -e 's/INVALID-bit-field/int32/g'`
1046   fi
1047 fi
1048 if test "$timex" != ""; then
1049   echo "$timex" | \
1050     sed -e 's/_timex/Timex/' \
1051       -e 's/modes/Modes/' \
1052       -e 's/offset/Offset/' \
1053       -e 's/freq/Freq/' \
1054       -e 's/maxerror/Maxerror/' \
1055       -e 's/esterror/Esterror/' \
1056       -e 's/status/Status/' \
1057       -e 's/constant/Constant/' \
1058       -e 's/precision/Precision/' \
1059       -e 's/tolerance/Tolerance/' \
1060       -e 's/ time / Time /' \
1061       -e 's/tick/Tick/' \
1062       -e 's/ppsfreq/Ppsfreq/' \
1063       -e 's/jitter/Jitter/' \
1064       -e 's/shift/Shift/' \
1065       -e 's/stabil/Stabil/' \
1066       -e 's/jitcnt/Jitcnt/' \
1067       -e 's/calcnt/Calcnt/' \
1068       -e 's/errcnt/Errcnt/' \
1069       -e 's/stbcnt/Stbcnt/' \
1070       -e 's/tai/Tai/' \
1071       -e 's/_timeval/Timeval/' \
1072     >> ${OUT}
1073 fi
1074
1075 # The rlimit struct.
1076 grep '^type _rlimit ' gen-sysinfo.go | \
1077     sed -e 's/_rlimit/Rlimit/' \
1078       -e 's/rlim_cur/Cur/' \
1079       -e 's/rlim_max/Max/' \
1080     >> ${OUT}
1081
1082 # The RLIMIT constants.
1083 grep '^const _RLIMIT_' gen-sysinfo.go |
1084     sed -e 's/^\(const \)_\(RLIMIT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1085 grep '^const _RLIM_' gen-sysinfo.go |
1086     sed -e 's/^\(const \)_\(RLIM_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1087
1088 # The sysinfo struct.
1089 grep '^type _sysinfo ' gen-sysinfo.go | \
1090     sed -e 's/_sysinfo/Sysinfo_t/' \
1091       -e 's/uptime/Uptime/' \
1092       -e 's/loads/Loads/' \
1093       -e 's/totalram/Totalram/' \
1094       -e 's/freeram/Freeram/' \
1095       -e 's/sharedram/Sharedram/' \
1096       -e 's/bufferram/Bufferram/' \
1097       -e 's/totalswap/Totalswap/' \
1098       -e 's/freeswap/Freeswap/' \
1099       -e 's/procs/Procs/' \
1100       -e 's/totalhigh/Totalhigh/' \
1101       -e 's/freehigh/Freehigh/' \
1102       -e 's/mem_unit/Unit/' \
1103     >> ${OUT}
1104
1105 # The ustat struct.
1106 grep '^type _ustat ' gen-sysinfo.go | \
1107     sed -e 's/_ustat/Ustat_t/' \
1108       -e 's/f_tfree/Tfree/' \
1109       -e 's/f_tinode/Tinoe/' \
1110       -e 's/f_fname/Fname/' \
1111       -e 's/f_fpack/Fpack/' \
1112     >> ${OUT}
1113 # Force it to be defined, as on some older GNU/Linux systems the
1114 # header file fails when using with <linux/filter.h>.
1115 if ! grep 'type _ustat ' gen-sysinfo.go >/dev/null 2>&1; then
1116   echo 'type Ustat_t struct { Tfree int32; Tinoe uint64; Fname [5+1]int8; Fpack [5+1]int8; }' >> ${OUT}
1117 fi
1118
1119 # The utimbuf struct.
1120 grep '^type _utimbuf ' gen-sysinfo.go | \
1121     sed -e 's/_utimbuf/Utimbuf/' \
1122       -e 's/actime/Actime/' \
1123       -e 's/modtime/Modtime/' \
1124     >> ${OUT}
1125
1126 # The LOCK flags for flock.
1127 grep '^const _LOCK_' gen-sysinfo.go |
1128     sed -e 's/^\(const \)_\(LOCK_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1129
1130 # The PRIO constants.
1131 grep '^const _PRIO_' gen-sysinfo.go | \
1132   sed -e 's/^\(const \)_\(PRIO_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1133
1134 # The GNU/Linux LINUX_REBOOT flags.
1135 grep '^const _LINUX_REBOOT_' gen-sysinfo.go |
1136     sed -e 's/^\(const \)_\(LINUX_REBOOT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1137
1138 # The GNU/Linux sock_filter struct.
1139 grep '^type _sock_filter ' gen-sysinfo.go | \
1140     sed -e 's/_sock_filter/SockFilter/' \
1141       -e 's/code/Code/' \
1142       -e 's/jt/Jt/' \
1143       -e 's/jf/Jf/' \
1144       -e 's/k /K /' \
1145     >> ${OUT}
1146
1147 # The GNU/Linux sock_fprog struct.
1148 grep '^type _sock_fprog ' gen-sysinfo.go | \
1149     sed -e 's/_sock_fprog/SockFprog/' \
1150       -e 's/len/Len/' \
1151       -e 's/filter/Filter/' \
1152       -e 's/_sock_filter/SockFilter/' \
1153     >> ${OUT}
1154
1155 # The GNU/Linux filter flags.
1156 grep '^const _BPF_' gen-sysinfo.go | \
1157   sed -e 's/^\(const \)_\(BPF_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1158
1159 # The GNU/Linux nlattr struct.
1160 grep '^type _nlattr ' gen-sysinfo.go | \
1161     sed -e 's/_nlattr/NlAttr/' \
1162       -e 's/nla_len/Len/' \
1163       -e 's/nla_type/Type/' \
1164     >> ${OUT}
1165
1166 # The GNU/Linux nlmsgerr struct.
1167 grep '^type _nlmsgerr ' gen-sysinfo.go | \
1168     sed -e 's/_nlmsgerr/NlMsgerr/' \
1169       -e 's/error/Error/' \
1170       -e 's/msg/Msg/' \
1171       -e 's/_nlmsghdr/NlMsghdr/' \
1172     >> ${OUT}
1173
1174 # The GNU/Linux rtnexthop struct.
1175 grep '^type _rtnexthop ' gen-sysinfo.go | \
1176     sed -e 's/_rtnexthop/RtNexthop/' \
1177       -e 's/rtnh_len/Len/' \
1178       -e 's/rtnh_flags/Flags/' \
1179       -e 's/rtnh_hops/Hops/' \
1180       -e 's/rtnh_ifindex/Ifindex/' \
1181     >> ${OUT}
1182
1183 # The GNU/Linux netlink flags.
1184 grep '^const _NETLINK_' gen-sysinfo.go | \
1185   sed -e 's/^\(const \)_\(NETLINK_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1186 grep '^const _NLA_' gen-sysinfo.go | grep -v '_val =' | \
1187   sed -e 's/^\(const \)_\(NLA_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1188
1189 if ! grep '^const NLA_HDRLEN' ${OUT} >/dev/null 2>&1; then
1190   if grep '^const _NLA_HDRLEN_val' ${OUT} >/dev/null 2>&1; then
1191     echo 'const NLA_HDRLEN = _NLA_HDRLEN_val' >> ${OUT}
1192   fi
1193 fi
1194
1195 # The GNU/Linux packet socket flags.
1196 grep '^const _PACKET_' gen-sysinfo.go | \
1197   sed -e 's/^\(const \)_\(PACKET_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1198
1199 # The GNU/Linux inotify_event struct.
1200 grep '^type _inotify_event ' gen-sysinfo.go | \
1201     sed -e 's/_inotify_event/InotifyEvent/' \
1202       -e 's/wd/Wd/' \
1203       -e 's/mask/Mask/' \
1204       -e 's/cookie/Cookie/' \
1205       -e 's/len/Len/' \
1206       -e 's/name/Name/' \
1207       -e 's/\[\]/[0]/' \
1208       -e 's/\[0\]byte/[0]int8/' \
1209     >> ${OUT}
1210
1211 # The GNU/Linux CLONE flags.
1212 grep '^const _CLONE_' gen-sysinfo.go | \
1213   sed -e 's/^\(const \)_\(CLONE_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1214 # We need some CLONE constants that are not defined in older versions
1215 # of glibc.
1216 if ! grep '^const CLONE_NEWUSER ' ${OUT} > /dev/null 2>&1; then
1217   echo "const CLONE_NEWUSER = 0x10000000" >> ${OUT}
1218 fi
1219 if ! grep '^const CLONE_NEWNET ' ${OUT} > /dev/null 2>&1; then
1220   echo "const CLONE_NEWNET = 0x40000000" >> ${OUT}
1221 fi
1222
1223 # Struct sizes.
1224 set cmsghdr Cmsghdr ip_mreq IPMreq ip_mreqn IPMreqn ipv6_mreq IPv6Mreq \
1225     ifaddrmsg IfAddrmsg ifinfomsg IfInfomsg in_pktinfo Inet4Pktinfo \
1226     in6_pktinfo Inet6Pktinfo inotify_event InotifyEvent linger Linger \
1227     msghdr Msghdr nlattr NlAttr nlmsgerr NlMsgerr nlmsghdr NlMsghdr \
1228     rtattr RtAttr rtgenmsg RtGenmsg rtmsg RtMsg rtnexthop RtNexthop \
1229     sock_filter SockFilter sock_fprog SockFprog ucred Ucred \
1230     icmp6_filter ICMPv6Filter ip6_mtuinfo IPv6MTUInfo
1231 while test $# != 0; do
1232     nc=$1
1233     ngo=$2
1234     shift
1235     shift
1236     if grep "^const _sizeof_$nc =" gen-sysinfo.go >/dev/null 2>&1; then
1237         echo "const Sizeof$ngo = _sizeof_$nc" >> ${OUT}
1238     fi
1239 done
1240
1241 # In order to compile the net package, we need some sizes to exist
1242 # even if the types do not.
1243 if ! grep 'const SizeofIPMreq ' ${OUT} >/dev/null 2>&1; then
1244     echo 'const SizeofIPMreq = 8' >> ${OUT}
1245 fi
1246 if ! grep 'const SizeofIPv6Mreq ' ${OUT} >/dev/null 2>&1; then
1247     echo 'const SizeofIPv6Mreq = 20' >> ${OUT}
1248 fi
1249 if ! grep 'const SizeofIPMreqn ' ${OUT} >/dev/null 2>&1; then
1250     echo 'const SizeofIPMreqn = 12' >> ${OUT}
1251 fi
1252 if ! grep 'const SizeofICMPv6Filter ' ${OUT} >/dev/null 2>&1; then
1253     echo 'const SizeofICMPv6Filter = 32' >> ${OUT}
1254 fi
1255
1256 # The Solaris 11 Update 1 _zone_net_addr_t struct.
1257 grep '^type _zone_net_addr_t ' gen-sysinfo.go | \
1258     sed -e 's/_in6_addr/[16]byte/' \
1259     >> ${OUT}
1260
1261 # The Solaris 12 _flow_arp_desc_t struct.
1262 grep '^type _flow_arp_desc_t ' gen-sysinfo.go | \
1263     sed -e 's/_in6_addr_t/[16]byte/g' \
1264     >> ${OUT}
1265
1266 # The Solaris 12 _flow_l3_desc_t struct.
1267 grep '^type _flow_l3_desc_t ' gen-sysinfo.go | \
1268     sed -e 's/_in6_addr_t/[16]byte/g' \
1269     >> ${OUT}
1270
1271 # The Solaris 12 _mac_ipaddr_t struct.
1272 grep '^type _mac_ipaddr_t ' gen-sysinfo.go | \
1273     sed -e 's/_in6_addr_t/[16]byte/g' \
1274     >> ${OUT}
1275
1276 # The Solaris 12 _mactun_info_t struct.
1277 grep '^type _mactun_info_t ' gen-sysinfo.go | \
1278     sed -e 's/_in6_addr_t/[16]byte/g' \
1279     >> ${OUT}
1280
1281 exit $?