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   grep -v EPOLLET |
 189   sed -e 's/^\(const \)_\(EPOLL[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 190 # Make sure EPOLLET is positive.
 191 if grep '^const _EPOLLET = [0-9]' gen-sysinfo.go >/dev/null 2>&1; then
 192   grep '^const _EPOLLET ' gen-sysinfo.go |
 193     sed -e 's/^\(const \)_\(EPOLL[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 194 else
 195   echo "const EPOLLET = 0x80000000" >> ${OUT}
 196 fi
 197 # Make sure EPOLLRDHUP and EPOLL_CLOEXEC are defined.
 198 if ! grep '^const EPOLLRDHUP' ${OUT} >/dev/null 2>&1; then
 199   echo "const EPOLLRDHUP = 0x2000" >> ${OUT}
 200 fi
 201 if ! grep '^const EPOLL_CLOEXEC' ${OUT} >/dev/null 2>&1; then
 202   echo "const EPOLL_CLOEXEC = 02000000" >> ${OUT}
 203 fi
 204
 205 # Prctl constants.
 206 grep '^const _PR_' gen-sysinfo.go |
 207   sed -e 's/^\(const \)_\(PR_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 208
 209 # Ptrace constants.
 210 grep '^const _PTRACE' gen-sysinfo.go |
 211   sed -e 's/^\(const \)_\(PTRACE[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 212 # We need some ptrace options that are not defined in older versions
 213 # of glibc.
 214 if ! grep '^const PTRACE_SETOPTIONS' ${OUT} > /dev/null 2>&1; then
 215   echo "const PTRACE_SETOPTIONS = 0x4200" >> ${OUT}
 216 fi
 217 if ! grep '^const PTRACE_O_TRACESYSGOOD' ${OUT} > /dev/null 2>&1; then
 218   echo "const PTRACE_O_TRACESYSGOOD = 0x1" >> ${OUT}
 219 fi
 220 if ! grep '^const PTRACE_O_TRACEFORK' ${OUT} > /dev/null 2>&1; then
 221   echo "const PTRACE_O_TRACEFORK = 0x2" >> ${OUT}
 222 fi
 223 if ! grep '^const PTRACE_O_TRACEVFORK' ${OUT} > /dev/null 2>&1; then
 224   echo "const PTRACE_O_TRACEVFORK = 0x4" >> ${OUT}
 225 fi
 226 if ! grep '^const PTRACE_O_TRACECLONE' ${OUT} > /dev/null 2>&1; then
 227   echo "const PTRACE_O_TRACECLONE = 0x8" >> ${OUT}
 228 fi
 229 if ! grep '^const PTRACE_O_TRACEEXEC' ${OUT} > /dev/null 2>&1; then
 230   echo "const PTRACE_O_TRACEEXEC = 0x10" >> ${OUT}
 231 fi
 232 if ! grep '^const PTRACE_O_TRACEVFORKDONE' ${OUT} > /dev/null 2>&1; then
 233   echo "const PTRACE_O_TRACEVFORKDONE = 0x20" >> ${OUT}
 234 fi
 235 if ! grep '^const PTRACE_O_TRACEEXIT' ${OUT} > /dev/null 2>&1; then
 236   echo "const PTRACE_O_TRACEEXIT = 0x40" >> ${OUT}
 237 fi
 238 if ! grep '^const PTRACE_O_MASK' ${OUT} > /dev/null 2>&1; then
 239   echo "const PTRACE_O_MASK = 0x7f" >> ${OUT}
 240 fi
 241 if ! grep '^const _PTRACE_GETEVENTMSG' ${OUT} > /dev/null 2>&1; then
 242   echo "const PTRACE_GETEVENTMSG = 0x4201" >> ${OUT}
 243 fi
 244 if ! grep '^const PTRACE_EVENT_FORK' ${OUT} > /dev/null 2>&1; then
 245   echo "const PTRACE_EVENT_FORK = 1" >> ${OUT}
 246 fi
 247 if ! grep '^const PTRACE_EVENT_VFORK' ${OUT} > /dev/null 2>&1; then
 248   echo "const PTRACE_EVENT_VFORK = 2" >> ${OUT}
 249 fi
 250 if ! grep '^const PTRACE_EVENT_CLONE' ${OUT} > /dev/null 2>&1; then
 251   echo "const PTRACE_EVENT_CLONE = 3" >> ${OUT}
 252 fi
 253 if ! grep '^const PTRACE_EVENT_EXEC' ${OUT} > /dev/null 2>&1; then
 254   echo "const PTRACE_EVENT_EXEC = 4" >> ${OUT}
 255 fi
 256 if ! grep '^const PTRACE_EVENT_VFORK_DONE' ${OUT} > /dev/null 2>&1; then
 257   echo "const PTRACE_EVENT_VFORK_DONE = 5" >> ${OUT}
 258 fi
 259 if ! grep '^const PTRACE_EVENT_EXIT' ${OUT} > /dev/null 2>&1; then
 260   echo "const PTRACE_EVENT_EXIT = 6" >> ${OUT}
 261 fi
 262 if ! grep '^const _PTRACE_TRACEME' ${OUT} > /dev/null 2>&1; then
 263   echo "const _PTRACE_TRACEME = 0" >> ${OUT}
 264 fi
 265
 266 # A helper function that prints a structure from gen-sysinfo.go with the first
 267 # letter of the field names in upper case.  $1 is the name of structure.  If $2
 268 # is not empty, the structure or type is renamed to $2.
 269 upcase_fields () {
 270   name="$1"
 271   def=`grep "^type $name " gen-sysinfo.go`
 272   fields=`echo $def | sed -e 's/^[^{]*{\(.*\)}$/\1/'`
 273   prefix=`echo $def | sed -e 's/{.*//'`
 274   if test "$2" != ""; then
 275     prefix=`echo $prefix | sed -e "s/$1/$2/"`
 276   fi
 277   if test "$fields" != ""; then
 278     nfields=
 279     while test -n "$fields"; do
 280       field=`echo $fields | sed -e 's/^\([^;]*\);.*$/\1/'`
 281       fields=`echo $fields | sed -e 's/^[^;]*; *\(.*\)$/\1/'`
 282       # capitalize the next character.
 283       f=`echo $field | sed -e 's/^\(.\).*$/\1/'`
 284       r=`echo $field | sed -e 's/^.\(.*\)$/\1/'`
 285       f=`echo $f | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ`
 286       field="$f$r"
 287       nfields="$nfields $field;"
 288     done
 289     echo "${prefix} {$nfields }"
 290   fi
 291 }
 292
 293 # The registers returned by PTRACE_GETREGS.  This is probably
 294 # GNU/Linux specific; it should do no harm if there is no
 295 # _user_regs_struct.
 296 regs=`grep '^type _user_regs_struct struct' gen-sysinfo.go || true`
 297 if test "$regs" = ""; then
 298   # s390
 299   regs=`grep '^type __user_regs_struct struct' gen-sysinfo.go || true`
 300   if test "$regs" != ""; then
 301     # Substructures of __user_regs_struct on s390
 302     upcase_fields "__user_psw_struct" "PtracePsw" >> ${OUT} || true
 303     upcase_fields "__user_fpregs_struct" "PtraceFpregs" >> ${OUT} || true
 304     upcase_fields "__user_per_struct" "PtracePer" >> ${OUT} || true
 305   fi
 306 fi
 307 if test "$regs" != ""; then
 308   regs=`echo $regs |
 309     sed -e 's/type __*user_regs_struct struct //' -e 's/[{}]//g'`
 310   regs=`echo $regs | sed -e s'/^ *//'`
 311   nregs=
 312   while test -n "$regs"; do
 313     field=`echo $regs | sed -e 's/^\([^;]*\);.*$/\1/'`
 314     regs=`echo $regs | sed -e 's/^[^;]*; *\(.*\)$/\1/'`
 315     # Capitalize the first character of the field.
 316     f=`echo $field | sed -e 's/^\(.\).*$/\1/'`
 317     r=`echo $field | sed -e 's/^.\(.*\)$/\1/'`
 318     f=`echo $f | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ`
 319     field="$f$r"
 320     field=`echo "$field" | sed \
 321       -e 's/__user_psw_struct/PtracePsw/' \
 322       -e 's/__user_fpregs_struct/PtraceFpregs/' \
 323       -e 's/__user_per_struct/PtracePer/'`
 324     nregs="$nregs $field;"
 325   done
 326   echo "type PtraceRegs struct {$nregs }" >> ${OUT}
 327 fi
 328
 329 # Some basic types.
 330 echo 'type Size_t _size_t' >> ${OUT}
 331 echo "type Ssize_t _ssize_t" >> ${OUT}
 332 if grep '^const _HAVE_OFF64_T = ' gen-sysinfo.go > /dev/null 2>&1; then
 333   echo "type Offset_t _off64_t" >> ${OUT}
 334 else
 335   echo "type Offset_t _off_t" >> ${OUT}
 336 fi
 337 echo "type Mode_t _mode_t" >> ${OUT}
 338 echo "type Pid_t _pid_t" >> ${OUT}
 339 echo "type Uid_t _uid_t" >> ${OUT}
 340 echo "type Gid_t _gid_t" >> ${OUT}
 341 echo "type Socklen_t _socklen_t" >> ${OUT}
 342
 343 # The C int type.
 344 sizeof_int=`grep '^const ___SIZEOF_INT__ = ' gen-sysinfo.go | sed -e 's/.*= //'`
 345 if test "$sizeof_int" = "4"; then
 346   echo "type _C_int int32" >> ${OUT}
 347   echo "type _C_uint uint32" >> ${OUT}
 348 elif test "$sizeof_int" = "8"; then
 349   echo "type _C_int int64" >> ${OUT}
 350   echo "type _C_uint uint64" >> ${OUT}
 351 else
 352   echo 1>&2 "mksysinfo.sh: could not determine size of int (got $sizeof_int)"
 353   exit 1
 354 fi
 355
 356 # The C long type, needed because that is the type that ptrace returns.
 357 sizeof_long=`grep '^const ___SIZEOF_LONG__ = ' gen-sysinfo.go | sed -e 's/.*= //'`
 358 if test "$sizeof_long" = "4"; then
 359   echo "type _C_long int32" >> ${OUT}
 360   echo "type _C_ulong uint32" >> ${OUT}
 361 elif test "$sizeof_long" = "8"; then
 362   echo "type _C_long int64" >> ${OUT}
 363   echo "type _C_ulong uint64" >> ${OUT}
 364 else
 365   echo 1>&2 "mksysinfo.sh: could not determine size of long (got $sizeof_long)"
 366   exit 1
 367 fi
 368
 369 # Solaris 2 needs _u?pad128_t, but its default definition in terms of long
 370 # double is commented by -fdump-go-spec.
 371 if grep "^// type _pad128_t" gen-sysinfo.go > /dev/null 2>&1; then
 372   echo "type _pad128_t struct { _l [4]int32; }" >> ${OUT}
 373 fi
 374 if grep "^// type _upad128_t" gen-sysinfo.go > /dev/null 2>&1; then
 375   echo "type _upad128_t struct { _l [4]uint32; }" >> ${OUT}
 376 fi
 377
 378 # The time_t type.
 379 if grep '^type _time_t ' gen-sysinfo.go > /dev/null 2>&1; then
 380   echo 'type Time_t _time_t' >> ${OUT}
 381 fi
 382
 383 # The time structures need special handling: we need to name the
 384 # types, so that we can cast integers to the right types when
 385 # assigning to the structures.
 386 timeval=`grep '^type _timeval ' gen-sysinfo.go`
 387 timeval_sec=`echo $timeval | sed -n -e 's/^.*tv_sec \([^ ]*\);.*$/\1/p'`
 388 timeval_usec=`echo $timeval | sed -n -e 's/^.*tv_usec \([^ ]*\);.*$/\1/p'`
 389 echo "type Timeval_sec_t $timeval_sec" >> ${OUT}
 390 echo "type Timeval_usec_t $timeval_usec" >> ${OUT}
 391 echo $timeval | \
 392   sed -e 's/type _timeval /type Timeval /' \
 393       -e 's/tv_sec *[a-zA-Z0-9_]*/Sec Timeval_sec_t/' \
 394       -e 's/tv_usec *[a-zA-Z0-9_]*/Usec Timeval_usec_t/' >> ${OUT}
 395 timespec=`grep '^type _timespec ' gen-sysinfo.go || true`
 396 if test "$timespec" = ""; then
 397   # IRIX 6.5 has __timespec instead.
 398   timespec=`grep '^type ___timespec ' gen-sysinfo.go || true`
 399 fi
 400 timespec_sec=`echo $timespec | sed -n -e 's/^.*tv_sec \([^ ]*\);.*$/\1/p'`
 401 timespec_nsec=`echo $timespec | sed -n -e 's/^.*tv_nsec \([^ ]*\);.*$/\1/p'`
 402 echo "type Timespec_sec_t $timespec_sec" >> ${OUT}
 403 echo "type Timespec_nsec_t $timespec_nsec" >> ${OUT}
 404 echo $timespec | \
 405   sed -e 's/^type ___timespec /type Timespec /' \
 406       -e 's/^type _timespec /type Timespec /' \
 407       -e 's/tv_sec *[a-zA-Z0-9_]*/Sec Timespec_sec_t/' \
 408       -e 's/tv_nsec *[a-zA-Z0-9_]*/Nsec Timespec_nsec_t/' >> ${OUT}
 409
 410 timestruc=`grep '^type _timestruc_t ' gen-sysinfo.go || true`
 411 if test "$timestruc" != ""; then
 412   timestruc_sec=`echo $timestruc | sed -n -e 's/^.*tv_sec \([^ ]*\);.*$/\1/p'`
 413   timestruc_nsec=`echo $timestruc | sed -n -e 's/^.*tv_nsec \([^ ]*\);.*$/\1/p'`
 414   echo "type Timestruc_sec_t $timestruc_sec" >> ${OUT}
 415   echo "type Timestruc_nsec_t $timestruc_nsec" >> ${OUT}
 416   echo $timestruc | \
 417     sed -e 's/^type _timestruc_t /type Timestruc /' \
 418         -e 's/tv_sec *[a-zA-Z0-9_]*/Sec Timestruc_sec_t/' \
 419         -e 's/tv_nsec *[a-zA-Z0-9_]*/Nsec Timestruc_nsec_t/' >> ${OUT}
 420 fi
 421
 422 # The tms struct.
 423 grep '^type _tms ' gen-sysinfo.go | \
 424     sed -e 's/type _tms/type Tms/' \
 425       -e 's/tms_utime/Utime/' \
 426       -e 's/tms_stime/Stime/' \
 427       -e 's/tms_cutime/Cutime/' \
 428       -e 's/tms_cstime/Cstime/' \
 429     >> ${OUT}
 430
 431 # The stat type.
 432 # Prefer largefile variant if available.
 433 stat=`grep '^type _stat64 ' gen-sysinfo.go || true`
 434 if test "$stat" != ""; then
 435   grep '^type _stat64 ' gen-sysinfo.go
 436 else
 437   grep '^type _stat ' gen-sysinfo.go
 438 fi | sed -e 's/type _stat64/type Stat_t/' \
 439          -e 's/type _stat/type Stat_t/' \
 440          -e 's/st_dev/Dev/' \
 441          -e 's/st_ino/Ino/g' \
 442          -e 's/st_nlink/Nlink/' \
 443          -e 's/st_mode/Mode/' \
 444          -e 's/st_uid/Uid/' \
 445          -e 's/st_gid/Gid/' \
 446          -e 's/st_rdev/Rdev/' \
 447          -e 's/st_size/Size/' \
 448          -e 's/st_blksize/Blksize/' \
 449          -e 's/st_blocks/Blocks/' \
 450          -e 's/st_atim/Atim/' \
 451          -e 's/st_mtim/Mtim/' \
 452          -e 's/st_ctim/Ctim/' \
 453          -e 's/\([^a-zA-Z0-9_]\)_timeval\([^a-zA-Z0-9_]\)/\1Timeval\2/g' \
 454          -e 's/\([^a-zA-Z0-9_]\)_timespec_t\([^a-zA-Z0-9_]\)/\1Timespec\2/g' \
 455          -e 's/\([^a-zA-Z0-9_]\)_timespec\([^a-zA-Z0-9_]\)/\1Timespec\2/g' \
 456          -e 's/\([^a-zA-Z0-9_]\)_timestruc_t\([^a-zA-Z0-9_]\)/\1Timestruc\2/g' \
 457          -e 's/Godump_[0-9] struct { \([^;]*;\) };/\1/g' \
 458        >> ${OUT}
 459
 460 # The directory searching types.
 461 # Prefer largefile variant if available.
 462 dirent=`grep '^type _dirent64 ' gen-sysinfo.go || true`
 463 if test "$dirent" != ""; then
 464   grep '^type _dirent64 ' gen-sysinfo.go
 465 else
 466   grep '^type _dirent ' gen-sysinfo.go
 467 fi | sed -e 's/type _dirent64/type Dirent/' \
 468          -e 's/type _dirent/type Dirent/' \
 469          -e 's/d_name \[0+1\]/d_name [0+256]/' \
 470          -e 's/d_name/Name/' \
 471          -e 's/]int8/]byte/' \
 472          -e 's/d_ino/Ino/' \
 473          -e 's/d_off/Off/' \
 474          -e 's/d_reclen/Reclen/' \
 475          -e 's/d_type/Type/' \
 476       >> ${OUT}
 477 echo "type DIR _DIR" >> ${OUT}
 478
 479 # Values for d_type field in dirent.
 480 grep '^const _DT_' gen-sysinfo.go |
 481   sed -e 's/^\(const \)_\(DT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 482
 483 # The rusage struct.
 484 rusage=`grep '^type _rusage struct' gen-sysinfo.go`
 485 if test "$rusage" != ""; then
 486   # Remove anonymous unions from GNU/Linux <bits/resource.h>.
 487   rusage=`echo $rusage | sed -e 's/Godump_[0-9][0-9]* struct {\([^}]*\)};/\1/g'`
 488   rusage=`echo $rusage | sed -e 's/type _rusage struct //' -e 's/[{}]//g'`
 489   rusage=`echo $rusage | sed -e 's/^ *//'`
 490   nrusage=
 491   while test -n "$rusage"; do
 492     field=`echo $rusage | sed -e 's/^\([^;]*\);.*$/\1/'`
 493     rusage=`echo $rusage | sed -e 's/^[^;]*; *\(.*\)$/\1/'`
 494     # Drop the leading ru_, capitalize the next character.
 495     field=`echo $field | sed -e 's/^ru_//'`
 496     f=`echo $field | sed -e 's/^\(.\).*$/\1/'`
 497     r=`echo $field | sed -e 's/^.\(.*\)$/\1/'`
 498     f=`echo $f | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ`
 499     # Fix _timeval _timespec, and _timestruc_t.
 500     r=`echo $r | sed -e s'/ _timeval$/ Timeval/'`
 501     r=`echo $r | sed -e s'/ _timespec$/ Timespec/'`
 502     r=`echo $r | sed -e s'/ _timestruc_t$/ Timestruc/'`
 503     field="$f$r"
 504     nrusage="$nrusage $field;"
 505   done
 506   echo "type Rusage struct {$nrusage }" >> ${OUT}
 507 else
 508   echo "type Rusage struct {}" >> ${OUT}
 509 fi
 510
 511 # The RUSAGE constants.
 512 grep '^const _RUSAGE_' gen-sysinfo.go | \
 513   sed -e 's/^\(const \)_\(RUSAGE_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 514
 515 # The utsname struct.
 516 grep '^type _utsname ' gen-sysinfo.go | \
 517     sed -e 's/_utsname/Utsname/' \
 518       -e 's/sysname/Sysname/' \
 519       -e 's/nodename/Nodename/' \
 520       -e 's/release/Release/' \
 521       -e 's/version/Version/' \
 522       -e 's/machine/Machine/' \
 523       -e 's/domainname/Domainname/' \
 524     >> ${OUT}
 525
 526 # The iovec struct.
 527 iovec=`grep '^type _iovec ' gen-sysinfo.go`
 528 iovec_len=`echo $iovec | sed -n -e 's/^.*iov_len \([^ ]*\);.*$/\1/p'`
 529 echo "type Iovec_len_t $iovec_len" >> ${OUT}
 530 echo $iovec | \
 531     sed -e 's/_iovec/Iovec/' \
 532       -e 's/iov_base/Base/' \
 533       -e 's/iov_len *[a-zA-Z0-9_]*/Len Iovec_len_t/' \
 534     >> ${OUT}
 535
 536 # The msghdr struct.
 537 msghdr=`grep '^type _msghdr ' gen-sysinfo.go`
 538 msghdr_controllen=`echo $msghdr | sed -n -e 's/^.*msg_controllen \([^ ]*\);.*$/\1/p'`
 539 echo "type Msghdr_controllen_t $msghdr_controllen" >> ${OUT}
 540 echo $msghdr | \
 541     sed -e 's/_msghdr/Msghdr/' \
 542       -e 's/msg_name/Name/' \
 543       -e 's/msg_namelen/Namelen/' \
 544       -e 's/msg_iov/Iov/' \
 545       -e 's/msg_iovlen/Iovlen/' \
 546       -e 's/_iovec/Iovec/' \
 547       -e 's/msg_control/Control/' \
 548       -e 's/msg_controllen *[a-zA-Z0-9_]*/Controllen Msghdr_controllen_t/' \
 549       -e 's/msg_flags/Flags/' \
 550     >> ${OUT}
 551
 552 # The MSG_ flags for Msghdr.
 553 grep '^const _MSG_' gen-sysinfo.go | \
 554   sed -e 's/^\(const \)_\(MSG_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 555
 556 # The cmsghdr struct.
 557 cmsghdr=`grep '^type _cmsghdr ' gen-sysinfo.go`
 558 if test -n "$cmsghdr"; then
 559   cmsghdr_len=`echo $cmsghdr | sed -n -e 's/^.*cmsg_len \([^ ]*\);.*$/\1/p'`
 560   echo "type Cmsghdr_len_t $cmsghdr_len" >> ${OUT}
 561   echo "$cmsghdr" | \
 562       sed -e 's/_cmsghdr/Cmsghdr/' \
 563         -e 's/cmsg_len *[a-zA-Z0-9_]*/Len Cmsghdr_len_t/' \
 564         -e 's/cmsg_level/Level/' \
 565         -e 's/cmsg_type/Type/' \
 566         -e 's/\[\]/[0]/' \
 567       >> ${OUT}
 568 fi
 569
 570 # The SCM_ flags for Cmsghdr.
 571 grep '^const _SCM_' gen-sysinfo.go | \
 572   sed -e 's/^\(const \)_\(SCM_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 573
 574 # The ucred struct.
 575 upcase_fields "_ucred" "Ucred" >> ${OUT} || true
 576
 577 # The ip_mreq struct.
 578 grep '^type _ip_mreq ' gen-sysinfo.go | \
 579     sed -e 's/_ip_mreq/IPMreq/' \
 580       -e 's/imr_multiaddr/Multiaddr/' \
 581       -e 's/imr_interface/Interface/' \
 582       -e 's/_in_addr/[4]byte/g' \
 583     >> ${OUT}
 584
 585 # We need IPMreq to compile the net package.
 586 if ! grep 'type IPMreq ' ${OUT} >/dev/null 2>&1; then
 587   echo 'type IPMreq struct { Multiaddr [4]byte; Interface [4]byte; }' >> ${OUT}
 588 fi
 589
 590 # The ipv6_mreq struct.
 591 grep '^type _ipv6_mreq ' gen-sysinfo.go | \
 592     sed -e 's/_ipv6_mreq/IPv6Mreq/' \
 593       -e 's/ipv6mr_multiaddr/Multiaddr/' \
 594       -e 's/ipv6mr_interface/Interface/' \
 595       -e 's/_in6_addr/[16]byte/' \
 596     >> ${OUT}
 597
 598 # We need IPv6Mreq to compile the net package.
 599 if ! grep 'type IPv6Mreq ' ${OUT} >/dev/null 2>&1; then
 600   echo 'type IPv6Mreq struct { Multiaddr [16]byte; Interface uint32; }' >> ${OUT}
 601 fi
 602
 603 # The ip_mreqn struct.
 604 grep '^type _ip_mreqn ' gen-sysinfo.go | \
 605     sed -e 's/_ip_mreqn/IPMreqn/' \
 606       -e 's/imr_multiaddr/Multiaddr/' \
 607       -e 's/imr_address/Address/' \
 608       -e 's/imr_ifindex/Ifindex/' \
 609       -e 's/_in_addr/[4]byte/g' \
 610     >> ${OUT}
 611
 612 # We need IPMreq to compile the net package.
 613 if ! grep 'type IPMreqn ' ${OUT} >/dev/null 2>&1; then
 614   echo 'type IPMreqn struct { Multiaddr [4]byte; Interface [4]byte; Ifindex int32 }' >> ${OUT}
 615 fi
 616
 617 # The icmp6_filter struct.
 618 grep '^type _icmp6_filter ' gen-sysinfo.go | \
 619     sed -e 's/_icmp6_filter/ICMPv6Filter/' \
 620       -e 's/data/Data/' \
 621       -e 's/filt/Filt/' \
 622     >> ${OUT}
 623
 624 # We need ICMPv6Filter to compile the syscall package.
 625 if ! grep 'type ICMPv6Filter ' ${OUT} > /dev/null 2>&1; then
 626   echo 'type ICMPv6Filter struct { Data [8]uint32 }' >> ${OUT}
 627 fi
 628
 629 # The ip6_mtuinfo struct.
 630 grep '^type _ip6_mtuinfo ' gen-sysinfo.go | \
 631     sed -e 's/_ip6_mtuinfo/IPv6MTUInfo/' \
 632       -e 's/ip6m_addr/Addr/' \
 633       -e 's/_sockaddr_in6/RawSockaddrInet6/' \
 634       -e 's/ip6m_mtu/Mtu/' \
 635     >> ${OUT}
 636
 637 # Try to guess the type to use for fd_set.
 638 fd_set=`grep '^type _fd_set ' gen-sysinfo.go || true`
 639 fds_bits_type="_C_long"
 640 if test "$fd_set" != ""; then
 641     fds_bits_type=`echo $fd_set | sed -e 's/.*[]]\([^;]*\); }$/\1/'`
 642 fi
 643 echo "type fds_bits_type $fds_bits_type" >> ${OUT}
 644
 645 # The addrinfo struct.
 646 grep '^type _addrinfo ' gen-sysinfo.go | \
 647     sed -e 's/_addrinfo/Addrinfo/g' \
 648       -e 's/ ai_/ Ai_/g' \
 649     >> ${OUT}
 650
 651 # The addrinfo and nameinfo flags and errors.
 652 grep '^const _AI_' gen-sysinfo.go | \
 653   sed -e 's/^\(const \)_\(AI_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 654 grep '^const _EAI_' gen-sysinfo.go | \
 655   sed -e 's/^\(const \)_\(EAI_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 656 grep '^const _NI_' gen-sysinfo.go | \
 657   sed -e 's/^\(const \)_\(NI_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 658
 659 # The passwd struct.
 660 grep '^type _passwd ' gen-sysinfo.go | \
 661     sed -e 's/_passwd/Passwd/' \
 662       -e 's/ pw_/ Pw_/g' \
 663     >> ${OUT}
 664
 665 # The group struct.
 666 grep '^type _group ' gen-sysinfo.go | \
 667     sed -e 's/_group/Group/' \
 668       -e 's/ gr_/ Gr_/g' \
 669     >> ${OUT}
 670
 671 # The ioctl flags for the controlling TTY.
 672 grep '^const _TIOC' gen-sysinfo.go | \
 673     grep -v '_val =' | \
 674     sed -e 's/^\(const \)_\(TIOC[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 675 grep '^const _TUNSET' gen-sysinfo.go | \
 676     grep -v '_val =' | \
 677     sed -e 's/^\(const \)_\(TUNSET[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 678 # We need TIOCGWINSZ.
 679 if ! grep '^const TIOCGWINSZ' ${OUT} >/dev/null 2>&1; then
 680   if grep '^const _TIOCGWINSZ_val' ${OUT} >/dev/null 2>&1; then
 681     echo 'const TIOCGWINSZ = _TIOCGWINSZ_val' >> ${OUT}
 682   fi
 683 fi
 684 if ! grep '^const TIOCSWINSZ' ${OUT} >/dev/null 2>&1; then
 685   if grep '^const _TIOCSWINSZ_val' ${OUT} >/dev/null 2>&1; then
 686     echo 'const TIOCSWINSZ = _TIOCSWINSZ_val' >> ${OUT}
 687   fi
 688 fi
 689 if ! grep '^const TIOCNOTTY' ${OUT} >/dev/null 2>&1; then
 690   if grep '^const _TIOCNOTTY_val' ${OUT} >/dev/null 2>&1; then
 691     echo 'const TIOCNOTTY = _TIOCNOTTY_val' >> ${OUT}
 692   fi
 693 fi
 694 if ! grep '^const TIOCSCTTY' ${OUT} >/dev/null 2>&1; then
 695   if grep '^const _TIOCSCTTY_val' ${OUT} >/dev/null 2>&1; then
 696     echo 'const TIOCSCTTY = _TIOCSCTTY_val' >> ${OUT}
 697   fi
 698 fi
 699 if ! grep '^const TIOCGPGRP' ${OUT} >/dev/null 2>&1; then
 700   if grep '^const _TIOCGPGRP_val' ${OUT} >/dev/null 2>&1; then
 701     echo 'const TIOCGPGRP = _TIOCGPGRP_val' >> ${OUT}
 702   fi
 703 fi
 704 if ! grep '^const TIOCSPGRP' ${OUT} >/dev/null 2>&1; then
 705   if grep '^const _TIOCSPGRP_val' ${OUT} >/dev/null 2>&1; then
 706     echo 'const TIOCSPGRP = _TIOCSPGRP_val' >> ${OUT}
 707   fi
 708 fi
 709 if ! grep '^const TIOCGPTN' ${OUT} >/dev/null 2>&1; then
 710   if grep '^const _TIOCGPTN_val' ${OUT} >/dev/null 2>&1; then
 711     echo 'const TIOCGPTN = _TIOCGPTN_val' >> ${OUT}
 712   fi
 713 fi
 714 if ! grep '^const TIOCSPTLCK' ${OUT} >/dev/null 2>&1; then
 715   if grep '^const _TIOCSPTLCK_val' ${OUT} >/dev/null 2>&1; then
 716     echo 'const TIOCSPTLCK = _TIOCSPTLCK_val' >> ${OUT}
 717   fi
 718 fi
 719 if ! grep '^const TIOCGDEV' ${OUT} >/dev/null 2>&1; then
 720   if grep '^const _TIOCGDEV_val' ${OUT} >/dev/null 2>&1; then
 721     echo 'const TIOCGDEV = _TIOCGDEV_val' >> ${OUT}
 722   fi
 723 fi
 724 if ! grep '^const TIOCSIG' ${OUT} >/dev/null 2>&1; then
 725   if grep '^const _TIOCSIG_val' ${OUT} >/dev/null 2>&1; then
 726     echo 'const TIOCSIG = _TIOCSIG_val' >> ${OUT}
 727   fi
 728 fi
 729
 730 if ! grep '^const TUNSETNOCSUM' ${OUT} >/dev/null 2>&1; then
 731   if grep '^const _TUNSETNOCSUM_val' ${OUT} >/dev/null 2>&1; then
 732     echo 'const TUNSETNOCSUM = _TUNSETNOCSUM_val' >> ${OUT}
 733   fi
 734 fi
 735
 736 if ! grep '^const TUNSETDEBUG' ${OUT} >/dev/null 2>&1; then
 737   if grep '^const _TUNSETDEBUG_val' ${OUT} >/dev/null 2>&1; then
 738     echo 'const TUNSETDEBUG = _TUNSETDEBUG_val' >> ${OUT}
 739   fi
 740 fi
 741
 742 if ! grep '^const TUNSETIFF' ${OUT} >/dev/null 2>&1; then
 743   if grep '^const _TUNSETIFF_val' ${OUT} >/dev/null 2>&1; then
 744     echo 'const TUNSETIFF = _TUNSETIFF_val' >> ${OUT}
 745   fi
 746 fi
 747
 748 if ! grep '^const TUNSETPERSIST' ${OUT} >/dev/null 2>&1; then
 749   if grep '^const _TUNSETPERSIST_val' ${OUT} >/dev/null 2>&1; then
 750     echo 'const TUNSETPERSIST = _TUNSETPERSIST_val' >> ${OUT}
 751   fi
 752 fi
 753
 754 if ! grep '^const TUNSETOWNER' ${OUT} >/dev/null 2>&1; then
 755   if grep '^const _TUNSETOWNER_val' ${OUT} >/dev/null 2>&1; then
 756     echo 'const TUNSETOWNER = _TUNSETOWNER_val' >> ${OUT}
 757   fi
 758 fi
 759
 760 if ! grep '^const TUNSETLINK' ${OUT} >/dev/null 2>&1; then
 761   if grep '^const _TUNSETLINK_val' ${OUT} >/dev/null 2>&1; then
 762     echo 'const TUNSETLINK = _TUNSETLINK_val' >> ${OUT}
 763   fi
 764 fi
 765
 766 if ! grep '^const TUNSETGROUP' ${OUT} >/dev/null 2>&1; then
 767   if grep '^const _TUNSETGROUP_val' ${OUT} >/dev/null 2>&1; then
 768     echo 'const TUNSETGROUP = _TUNSETGROUP_val' >> ${OUT}
 769   fi
 770 fi
 771
 772 if ! grep '^const TUNGETFEATURES' ${OUT} >/dev/null 2>&1; then
 773   if grep '^const _TUNGETFEATURES_val' ${OUT} >/dev/null 2>&1; then
 774     echo 'const TUNGETFEATURES = _TUNGETFEATURES_val' >> ${OUT}
 775   fi
 776 fi
 777
 778 if ! grep '^const TUNSETOFFLOAD' ${OUT} >/dev/null 2>&1; then
 779   if grep '^const _TUNSETOFFLOAD_val' ${OUT} >/dev/null 2>&1; then
 780     echo 'const TUNSETOFFLOAD = _TUNSETOFFLOAD_val' >> ${OUT}
 781   fi
 782 fi
 783
 784 if ! grep '^const TUNSETTXFILTER' ${OUT} >/dev/null 2>&1; then
 785   if grep '^const _TUNSETTXFILTER_val' ${OUT} >/dev/null 2>&1; then
 786     echo 'const TUNSETTXFILTER = _TUNSETTXFILTER_val' >> ${OUT}
 787   fi
 788 fi
 789
 790 if ! grep '^const TUNGETIFF' ${OUT} >/dev/null 2>&1; then
 791   if grep '^const _TUNGETIFF_val' ${OUT} >/dev/null 2>&1; then
 792     echo 'const TUNGETIFF = _TUNGETIFF_val' >> ${OUT}
 793   fi
 794 fi
 795
 796 if ! grep '^const TUNGETSNDBUF' ${OUT} >/dev/null 2>&1; then
 797   if grep '^const _TUNGETSNDBUF_val' ${OUT} >/dev/null 2>&1; then
 798     echo 'const TUNGETSNDBUF = _TUNGETSNDBUF_val' >> ${OUT}
 799   fi
 800 fi
 801
 802 if ! grep '^const TUNSETSNDBUF' ${OUT} >/dev/null 2>&1; then
 803   if grep '^const _TUNSETSNDBUF_val' ${OUT} >/dev/null 2>&1; then
 804     echo 'const TUNSETSNDBUF = _TUNSETSNDBUF_val' >> ${OUT}
 805   fi
 806 fi
 807
 808 if ! grep '^const TUNATTACHFILTER' ${OUT} >/dev/null 2>&1; then
 809   if grep '^const _TUNATTACHFILTER_val' ${OUT} >/dev/null 2>&1; then
 810     echo 'const TUNATTACHFILTER = _TUNATTACHFILTER_val' >> ${OUT}
 811   fi
 812 fi
 813
 814 if ! grep '^const TUNDETACHFILTER' ${OUT} >/dev/null 2>&1; then
 815   if grep '^const _TUNDETACHFILTER_val' ${OUT} >/dev/null 2>&1; then
 816     echo 'const TUNDETACHFILTER = _TUNDETACHFILTER_val' >> ${OUT}
 817   fi
 818 fi
 819
 820 if ! grep '^const TUNGETVNETHDRSZ' ${OUT} >/dev/null 2>&1; then
 821   if grep '^const _TUNGETVNETHDRSZ_val' ${OUT} >/dev/null 2>&1; then
 822     echo 'const TUNGETVNETHDRSZ = _TUNGETVNETHDRSZ_val' >> ${OUT}
 823   fi
 824 fi
 825
 826 if ! grep '^const TUNSETVNETHDRSZ' ${OUT} >/dev/null 2>&1; then
 827   if grep '^const _TUNSETVNETHDRSZ_val' ${OUT} >/dev/null 2>&1; then
 828     echo 'const TUNSETVNETHDRSZ = _TUNSETVNETHDRSZ_val' >> ${OUT}
 829   fi
 830 fi
 831
 832 if ! grep '^const TUNSETQUEUE' ${OUT} >/dev/null 2>&1; then
 833   if grep '^const _TUNSETQUEUE_val' ${OUT} >/dev/null 2>&1; then
 834     echo 'const TUNSETQUEUE = _TUNSETQUEUE_val' >> ${OUT}
 835   fi
 836 fi
 837
 838
 839 if ! grep '^const TUNSETIFINDEX' ${OUT} >/dev/null 2>&1; then
 840   if grep '^const _TUNSETIFINDEX_val' ${OUT} >/dev/null 2>&1; then
 841     echo 'const TUNSETIFINDEX = _TUNSETIFINDEX_val' >> ${OUT}
 842   fi
 843 fi
 844
 845 if ! grep '^const TUNGETFILTER' ${OUT} >/dev/null 2>&1; then
 846   if grep '^const _TUNGETFILTER_val' ${OUT} >/dev/null 2>&1; then
 847     echo 'const TUNGETFILTER = _TUNGETFILTER_val' >> ${OUT}
 848   fi
 849 fi
 850
 851 # The ioctl flags for terminal control
 852 grep '^const _TC[GS]ET' gen-sysinfo.go | grep -v _val | \
 853     sed -e 's/^\(const \)_\(TC[GS]ET[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 854 if ! grep '^const TCGETS' ${OUT} >/dev/null 2>&1; then
 855   if grep '^const _TCGETS_val' ${OUT} >/dev/null 2>&1; then
 856     echo 'const TCGETS = _TCGETS_val' >> ${OUT}
 857   fi
 858 fi
 859 if ! grep '^const TCSETS' ${OUT} >/dev/null 2>&1; then
 860   if grep '^const _TCSETS_val' ${OUT} >/dev/null 2>&1; then
 861     echo 'const TCSETS = _TCSETS_val' >> ${OUT}
 862   fi
 863 fi
 864
 865 # ioctl constants.  Might fall back to 0 if TIOCNXCL is missing, too, but
 866 # needs handling in syscalls.exec.go.
 867 if ! grep '^const _TIOCSCTTY ' gen-sysinfo.go >/dev/null 2>&1; then
 868   if grep '^const _TIOCNXCL ' gen-sysinfo.go >/dev/null 2>&1; then
 869     echo "const TIOCSCTTY = TIOCNXCL" >> ${OUT}
 870   fi
 871 fi
 872
 873 # The nlmsghdr struct.
 874 grep '^type _nlmsghdr ' gen-sysinfo.go | \
 875     sed -e 's/_nlmsghdr/NlMsghdr/' \
 876       -e 's/nlmsg_len/Len/' \
 877       -e 's/nlmsg_type/Type/' \
 878       -e 's/nlmsg_flags/Flags/' \
 879       -e 's/nlmsg_seq/Seq/' \
 880       -e 's/nlmsg_pid/Pid/' \
 881     >> ${OUT}
 882
 883 # The nlmsg flags and operators.
 884 grep '^const _NLM' gen-sysinfo.go | \
 885     sed -e 's/^\(const \)_\(NLM[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 886
 887 # NLMSG_HDRLEN is defined as an expression using sizeof.
 888 if ! grep '^const NLMSG_HDRLEN' ${OUT} > /dev/null 2>&1; then
 889   if grep '^const _sizeof_nlmsghdr ' ${OUT} > /dev/null 2>&1; then
 890     echo 'const NLMSG_HDRLEN = (_sizeof_nlmsghdr + (NLMSG_ALIGNTO-1)) &^ (NLMSG_ALIGNTO-1)' >> ${OUT}
 891   fi
 892 fi
 893
 894 # The rtmsg struct.
 895 grep '^type _rtmsg ' gen-sysinfo.go | \
 896     sed -e 's/_rtmsg/RtMsg/' \
 897       -e 's/rtm_family/Family/' \
 898       -e 's/rtm_dst_len/Dst_len/' \
 899       -e 's/rtm_src_len/Src_len/' \
 900       -e 's/rtm_tos/Tos/' \
 901       -e 's/rtm_table/Table/' \
 902       -e 's/rtm_protocol/Protocol/' \
 903       -e 's/rtm_scope/Scope/' \
 904       -e 's/rtm_type/Type/' \
 905       -e 's/rtm_flags/Flags/' \
 906     >> ${OUT}
 907
 908 # The rtgenmsg struct.
 909 grep '^type _rtgenmsg ' gen-sysinfo.go | \
 910     sed -e 's/_rtgenmsg/RtGenmsg/' \
 911       -e 's/rtgen_family/Family/' \
 912     >> ${OUT}
 913
 914 # The routing message flags.
 915 grep '^const _RT_' gen-sysinfo.go | \
 916     sed -e 's/^\(const \)_\(RT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 917 grep '^const _RTA' gen-sysinfo.go | \
 918     sed -e 's/^\(const \)_\(RTA[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 919 grep '^const _RTF' gen-sysinfo.go | \
 920     sed -e 's/^\(const \)_\(RTF[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 921 grep '^const _RTCF' gen-sysinfo.go | \
 922     sed -e 's/^\(const \)_\(RTCF[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 923 grep '^const _RTM' gen-sysinfo.go | \
 924     sed -e 's/^\(const \)_\(RTM[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 925 grep '^const _RTN' gen-sysinfo.go | \
 926     sed -e 's/^\(const \)_\(RTN[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 927 grep '^const _RTPROT' gen-sysinfo.go | \
 928     sed -e 's/^\(const \)_\(RTPROT[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 929
 930 # The ifinfomsg struct.
 931 grep '^type _ifinfomsg ' gen-sysinfo.go | \
 932     sed -e 's/_ifinfomsg/IfInfomsg/' \
 933       -e 's/ifi_family/Family/' \
 934       -e 's/ifi_type/Type/' \
 935       -e 's/ifi_index/Index/' \
 936       -e 's/ifi_flags/Flags/' \
 937       -e 's/ifi_change/Change/' \
 938     >> ${OUT}
 939
 940 # The interface information types and flags.
 941 grep '^const _IFA' gen-sysinfo.go | \
 942     sed -e 's/^\(const \)_\(IFA[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 943 grep '^const _IFLA' gen-sysinfo.go | \
 944     sed -e 's/^\(const \)_\(IFLA[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 945 grep '^const _IFF' gen-sysinfo.go | \
 946     sed -e 's/^\(const \)_\(IFF[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 947 grep '^const _IFNAMSIZ' gen-sysinfo.go | \
 948     sed -e 's/^\(const \)_\(IFNAMSIZ[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 949 grep '^const _SIOC' gen-sysinfo.go |
 950     sed -e 's/^\(const \)_\(SIOC[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 951
 952 # The ifaddrmsg struct.
 953 grep '^type _ifaddrmsg ' gen-sysinfo.go | \
 954     sed -e 's/_ifaddrmsg/IfAddrmsg/' \
 955       -e 's/ifa_family/Family/' \
 956       -e 's/ifa_prefixlen/Prefixlen/' \
 957       -e 's/ifa_flags/Flags/' \
 958       -e 's/ifa_scope/Scope/' \
 959       -e 's/ifa_index/Index/' \
 960     >> ${OUT}
 961
 962 # The rtattr struct.
 963 grep '^type _rtattr ' gen-sysinfo.go | \
 964     sed -e 's/_rtattr/RtAttr/' \
 965       -e 's/rta_len/Len/' \
 966       -e 's/rta_type/Type/' \
 967     >> ${OUT}
 968
 969 # The in_pktinfo struct.
 970 grep '^type _in_pktinfo ' gen-sysinfo.go | \
 971     sed -e 's/_in_pktinfo/Inet4Pktinfo/' \
 972       -e 's/ipi_ifindex/Ifindex/' \
 973       -e 's/ipi_spec_dst/Spec_dst/' \
 974       -e 's/ipi_addr/Addr/' \
 975       -e 's/_in_addr/[4]byte/g' \
 976     >> ${OUT}
 977
 978 # The in6_pktinfo struct.
 979 grep '^type _in6_pktinfo ' gen-sysinfo.go | \
 980     sed -e 's/_in6_pktinfo/Inet6Pktinfo/' \
 981       -e 's/ipi6_addr/Addr/' \
 982       -e 's/ipi6_ifindex/Ifindex/' \
 983       -e 's/_in6_addr/[16]byte/' \
 984     >> ${OUT}
 985
 986 # The termios struct.
 987 grep '^type _termios ' gen-sysinfo.go | \
 988     sed -e 's/_termios/Termios/' \
 989       -e 's/c_iflag/Iflag/' \
 990       -e 's/c_oflag/Oflag/' \
 991       -e 's/c_cflag/Cflag/' \
 992       -e 's/c_lflag/Lflag/' \
 993       -e 's/c_line/Line/' \
 994       -e 's/c_cc/Cc/' \
 995       -e 's/c_ispeed/Ispeed/' \
 996       -e 's/c_ospeed/Ospeed/' \
 997     >> ${OUT}
 998
 999 # The termios constants.
1000 for n in IGNBRK BRKINT IGNPAR PARMRK INPCK ISTRIP INLCR IGNCR ICRNL IUCLC \
1001     IXON IXANY IXOFF IMAXBEL IUTF8 OPOST OLCUC ONLCR OCRNL ONOCR ONLRET \
1002     OFILL OFDEL NLDLY NL0 NL1 CRDLY CR0 CR1 CR2 CR3 CS5 CS6 CS7 CS8 TABDLY \
1003     BSDLY VTDLY FFDLY CBAUD CBAUDEX CSIZE CSTOPB CREAD PARENB PARODD HUPCL \
1004     CLOCAL LOBLK CIBAUD CMSPAR CRTSCTS ISIG ICANON XCASE ECHO ECHOE ECHOK \
1005     ECHONL ECHOCTL ECHOPRT ECHOKE DEFECHO FLUSHO NOFLSH TOSTOP PENDIN IEXTEN \
1006     VINTR VQUIT VERASE VKILL VEOF VMIN VEOL VTIME VEOL2 VSWTCH VSTART VSTOP \
1007     VSUSP VDSUSP VLNEXT VWERASE VREPRINT VDISCARD VSTATUS TCSANOW TCSADRAIN \
1008     TCSAFLUSH TCIFLUSH TCOFLUSH TCIOFLUSH TCOOFF TCOON TCIOFF TCION B0 B50 \
1009     B75 B110 B134 B150 B200 B300 B600 B1200 B1800 B2400 B4800 B9600 B19200 \
1010     B38400 B57600 B115200 B230400 B460800 B500000 B576000 B921600 B1000000 \
1011     B1152000 B1500000 B2000000 B2500000 B3000000 B3500000 B4000000; do
1012
1013     grep "^const _$n " gen-sysinfo.go | \
1014         sed -e 's/^\(const \)_\([^=]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1015 done
1016
1017 # The mount flags
1018 grep '^const _MNT_' gen-sysinfo.go |
1019     sed -e 's/^\(const \)_\(MNT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1020 grep '^const _MS_' gen-sysinfo.go |
1021     sed -e 's/^\(const \)_\(MS_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1022
1023 # The fallocate flags.
1024 grep '^const _FALLOC_' gen-sysinfo.go |
1025     sed -e 's/^\(const \)_\(FALLOC_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1026
1027 # The statfs struct.
1028 # Prefer largefile variant if available.
1029 statfs=`grep '^type _statfs64 ' gen-sysinfo.go || true`
1030 if test "$statfs" != ""; then
1031   grep '^type _statfs64 ' gen-sysinfo.go
1032 else
1033   grep '^type _statfs ' gen-sysinfo.go
1034 fi | sed -e 's/type _statfs64/type Statfs_t/' \
1035          -e 's/type _statfs/type Statfs_t/' \
1036          -e 's/f_type/Type/' \
1037          -e 's/f_bsize/Bsize/' \
1038          -e 's/f_blocks/Blocks/' \
1039          -e 's/f_bfree/Bfree/' \
1040          -e 's/f_bavail/Bavail/' \
1041          -e 's/f_files/Files/' \
1042          -e 's/f_ffree/Ffree/' \
1043          -e 's/f_fsid/Fsid/' \
1044          -e 's/f_namelen/Namelen/' \
1045          -e 's/f_frsize/Frsize/' \
1046          -e 's/f_flags/Flags/' \
1047          -e 's/f_spare/Spare/' \
1048     >> ${OUT}
1049
1050 # The timex struct.
1051 timex=`grep '^type _timex ' gen-sysinfo.go || true`
1052 if test "$timex" = ""; then
1053   timex=`grep '^// type _timex ' gen-sysinfo.go || true`
1054   if test "$timex" != ""; then
1055     timex=`echo $timex | sed -e 's|// ||' -e 's/INVALID-bit-field/int32/g'`
1056   fi
1057 fi
1058 if test "$timex" != ""; then
1059   echo "$timex" | \
1060     sed -e 's/_timex/Timex/' \
1061       -e 's/modes/Modes/' \
1062       -e 's/offset/Offset/' \
1063       -e 's/freq/Freq/' \
1064       -e 's/maxerror/Maxerror/' \
1065       -e 's/esterror/Esterror/' \
1066       -e 's/status/Status/' \
1067       -e 's/constant/Constant/' \
1068       -e 's/precision/Precision/' \
1069       -e 's/tolerance/Tolerance/' \
1070       -e 's/ time / Time /' \
1071       -e 's/tick/Tick/' \
1072       -e 's/ppsfreq/Ppsfreq/' \
1073       -e 's/jitter/Jitter/' \
1074       -e 's/shift/Shift/' \
1075       -e 's/stabil/Stabil/' \
1076       -e 's/jitcnt/Jitcnt/' \
1077       -e 's/calcnt/Calcnt/' \
1078       -e 's/errcnt/Errcnt/' \
1079       -e 's/stbcnt/Stbcnt/' \
1080       -e 's/tai/Tai/' \
1081       -e 's/_timeval/Timeval/' \
1082     >> ${OUT}
1083 fi
1084
1085 # The rlimit struct.
1086 grep '^type _rlimit ' gen-sysinfo.go | \
1087     sed -e 's/_rlimit/Rlimit/' \
1088       -e 's/rlim_cur/Cur/' \
1089       -e 's/rlim_max/Max/' \
1090     >> ${OUT}
1091
1092 # The RLIMIT constants.
1093 grep '^const _RLIMIT_' gen-sysinfo.go |
1094     sed -e 's/^\(const \)_\(RLIMIT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1095 grep '^const _RLIM_' gen-sysinfo.go |
1096     sed -e 's/^\(const \)_\(RLIM_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1097
1098 # The sysinfo struct.
1099 grep '^type _sysinfo ' gen-sysinfo.go | \
1100     sed -e 's/_sysinfo/Sysinfo_t/' \
1101       -e 's/uptime/Uptime/' \
1102       -e 's/loads/Loads/' \
1103       -e 's/totalram/Totalram/' \
1104       -e 's/freeram/Freeram/' \
1105       -e 's/sharedram/Sharedram/' \
1106       -e 's/bufferram/Bufferram/' \
1107       -e 's/totalswap/Totalswap/' \
1108       -e 's/freeswap/Freeswap/' \
1109       -e 's/procs/Procs/' \
1110       -e 's/totalhigh/Totalhigh/' \
1111       -e 's/freehigh/Freehigh/' \
1112       -e 's/mem_unit/Unit/' \
1113     >> ${OUT}
1114
1115 # The ustat struct.
1116 grep '^type _ustat ' gen-sysinfo.go | \
1117     sed -e 's/_ustat/Ustat_t/' \
1118       -e 's/f_tfree/Tfree/' \
1119       -e 's/f_tinode/Tinoe/' \
1120       -e 's/f_fname/Fname/' \
1121       -e 's/f_fpack/Fpack/' \
1122     >> ${OUT}
1123 # Force it to be defined, as on some older GNU/Linux systems the
1124 # header file fails when using with <linux/filter.h>.
1125 if ! grep 'type _ustat ' gen-sysinfo.go >/dev/null 2>&1; then
1126   echo 'type Ustat_t struct { Tfree int32; Tinoe uint64; Fname [5+1]int8; Fpack [5+1]int8; }' >> ${OUT}
1127 fi
1128
1129 # The utimbuf struct.
1130 grep '^type _utimbuf ' gen-sysinfo.go | \
1131     sed -e 's/_utimbuf/Utimbuf/' \
1132       -e 's/actime/Actime/' \
1133       -e 's/modtime/Modtime/' \
1134     >> ${OUT}
1135
1136 # The LOCK flags for flock.
1137 grep '^const _LOCK_' gen-sysinfo.go |
1138     sed -e 's/^\(const \)_\(LOCK_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1139
1140 # The PRIO constants.
1141 grep '^const _PRIO_' gen-sysinfo.go | \
1142   sed -e 's/^\(const \)_\(PRIO_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1143
1144 # The GNU/Linux LINUX_REBOOT flags.
1145 grep '^const _LINUX_REBOOT_' gen-sysinfo.go |
1146     sed -e 's/^\(const \)_\(LINUX_REBOOT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1147
1148 # The GNU/Linux sock_filter struct.
1149 grep '^type _sock_filter ' gen-sysinfo.go | \
1150     sed -e 's/_sock_filter/SockFilter/' \
1151       -e 's/code/Code/' \
1152       -e 's/jt/Jt/' \
1153       -e 's/jf/Jf/' \
1154       -e 's/k /K /' \
1155     >> ${OUT}
1156
1157 # The GNU/Linux sock_fprog struct.
1158 grep '^type _sock_fprog ' gen-sysinfo.go | \
1159     sed -e 's/_sock_fprog/SockFprog/' \
1160       -e 's/len/Len/' \
1161       -e 's/filter/Filter/' \
1162       -e 's/_sock_filter/SockFilter/' \
1163     >> ${OUT}
1164
1165 # The GNU/Linux filter flags.
1166 grep '^const _BPF_' gen-sysinfo.go | \
1167   sed -e 's/^\(const \)_\(BPF_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1168
1169 # The GNU/Linux nlattr struct.
1170 grep '^type _nlattr ' gen-sysinfo.go | \
1171     sed -e 's/_nlattr/NlAttr/' \
1172       -e 's/nla_len/Len/' \
1173       -e 's/nla_type/Type/' \
1174     >> ${OUT}
1175
1176 # The GNU/Linux nlmsgerr struct.
1177 grep '^type _nlmsgerr ' gen-sysinfo.go | \
1178     sed -e 's/_nlmsgerr/NlMsgerr/' \
1179       -e 's/error/Error/' \
1180       -e 's/msg/Msg/' \
1181       -e 's/_nlmsghdr/NlMsghdr/' \
1182     >> ${OUT}
1183
1184 # The GNU/Linux rtnexthop struct.
1185 grep '^type _rtnexthop ' gen-sysinfo.go | \
1186     sed -e 's/_rtnexthop/RtNexthop/' \
1187       -e 's/rtnh_len/Len/' \
1188       -e 's/rtnh_flags/Flags/' \
1189       -e 's/rtnh_hops/Hops/' \
1190       -e 's/rtnh_ifindex/Ifindex/' \
1191     >> ${OUT}
1192
1193 # The GNU/Linux netlink flags.
1194 grep '^const _NETLINK_' gen-sysinfo.go | \
1195   sed -e 's/^\(const \)_\(NETLINK_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1196 grep '^const _NLA_' gen-sysinfo.go | grep -v '_val =' | \
1197   sed -e 's/^\(const \)_\(NLA_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1198
1199 if ! grep '^const NLA_HDRLEN' ${OUT} >/dev/null 2>&1; then
1200   if grep '^const _NLA_HDRLEN_val' ${OUT} >/dev/null 2>&1; then
1201     echo 'const NLA_HDRLEN = _NLA_HDRLEN_val' >> ${OUT}
1202   fi
1203 fi
1204
1205 # The GNU/Linux packet socket flags.
1206 grep '^const _PACKET_' gen-sysinfo.go | \
1207   sed -e 's/^\(const \)_\(PACKET_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1208
1209 # The GNU/Linux inotify_event struct.
1210 grep '^type _inotify_event ' gen-sysinfo.go | \
1211     sed -e 's/_inotify_event/InotifyEvent/' \
1212       -e 's/wd/Wd/' \
1213       -e 's/mask/Mask/' \
1214       -e 's/cookie/Cookie/' \
1215       -e 's/len/Len/' \
1216       -e 's/name/Name/' \
1217       -e 's/\[\]/[0]/' \
1218       -e 's/\[0\]byte/[0]int8/' \
1219     >> ${OUT}
1220
1221 # The GNU/Linux CLONE flags.
1222 grep '^const _CLONE_' gen-sysinfo.go | \
1223   sed -e 's/^\(const \)_\(CLONE_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1224 # We need some CLONE constants that are not defined in older versions
1225 # of glibc.
1226 if ! grep '^const CLONE_NEWUSER ' ${OUT} > /dev/null 2>&1; then
1227   echo "const CLONE_NEWUSER = 0x10000000" >> ${OUT}
1228 fi
1229 if ! grep '^const CLONE_NEWNET ' ${OUT} > /dev/null 2>&1; then
1230   echo "const CLONE_NEWNET = 0x40000000" >> ${OUT}
1231 fi
1232
1233 # Struct sizes.
1234 set cmsghdr Cmsghdr ip_mreq IPMreq ip_mreqn IPMreqn ipv6_mreq IPv6Mreq \
1235     ifaddrmsg IfAddrmsg ifinfomsg IfInfomsg in_pktinfo Inet4Pktinfo \
1236     in6_pktinfo Inet6Pktinfo inotify_event InotifyEvent linger Linger \
1237     msghdr Msghdr nlattr NlAttr nlmsgerr NlMsgerr nlmsghdr NlMsghdr \
1238     rtattr RtAttr rtgenmsg RtGenmsg rtmsg RtMsg rtnexthop RtNexthop \
1239     sock_filter SockFilter sock_fprog SockFprog ucred Ucred \
1240     icmp6_filter ICMPv6Filter ip6_mtuinfo IPv6MTUInfo
1241 while test $# != 0; do
1242     nc=$1
1243     ngo=$2
1244     shift
1245     shift
1246     if grep "^const _sizeof_$nc =" gen-sysinfo.go >/dev/null 2>&1; then
1247         echo "const Sizeof$ngo = _sizeof_$nc" >> ${OUT}
1248     fi
1249 done
1250
1251 # In order to compile the net package, we need some sizes to exist
1252 # even if the types do not.
1253 if ! grep 'const SizeofIPMreq ' ${OUT} >/dev/null 2>&1; then
1254     echo 'const SizeofIPMreq = 8' >> ${OUT}
1255 fi
1256 if ! grep 'const SizeofIPv6Mreq ' ${OUT} >/dev/null 2>&1; then
1257     echo 'const SizeofIPv6Mreq = 20' >> ${OUT}
1258 fi
1259 if ! grep 'const SizeofIPMreqn ' ${OUT} >/dev/null 2>&1; then
1260     echo 'const SizeofIPMreqn = 12' >> ${OUT}
1261 fi
1262 if ! grep 'const SizeofICMPv6Filter ' ${OUT} >/dev/null 2>&1; then
1263     echo 'const SizeofICMPv6Filter = 32' >> ${OUT}
1264 fi
1265
1266 # The Solaris 11 Update 1 _zone_net_addr_t struct.
1267 grep '^type _zone_net_addr_t ' gen-sysinfo.go | \
1268     sed -e 's/_in6_addr/[16]byte/' \
1269     >> ${OUT}
1270
1271 # The Solaris 12 _flow_arp_desc_t struct.
1272 grep '^type _flow_arp_desc_t ' gen-sysinfo.go | \
1273     sed -e 's/_in6_addr_t/[16]byte/g' \
1274     >> ${OUT}
1275
1276 # The Solaris 12 _flow_l3_desc_t struct.
1277 grep '^type _flow_l3_desc_t ' gen-sysinfo.go | \
1278     sed -e 's/_in6_addr_t/[16]byte/g' \
1279     >> ${OUT}
1280
1281 # The Solaris 12 _mac_ipaddr_t struct.
1282 grep '^type _mac_ipaddr_t ' gen-sysinfo.go | \
1283     sed -e 's/_in6_addr_t/[16]byte/g' \
1284     >> ${OUT}
1285
1286 # The Solaris 12 _mactun_info_t struct.
1287 grep '^type _mactun_info_t ' gen-sysinfo.go | \
1288     sed -e 's/_in6_addr_t/[16]byte/g' \
1289     >> ${OUT}
1290
1291 exit $?