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 # On AIX, the _arpcom struct, is filtered by the above grep sequence, as it as
  46 # a field of type _in6_addr, but other types depend on _arpcom, so we need to
  47 # put it back.
  48 grep '^type _arpcom ' gen-sysinfo.go | \
  49   sed -e 's/_in6_addr/[16]byte/' >> ${OUT}
  50
  51 # Same on Solaris for _mld_hdr_t.
  52 grep '^type _mld_hdr_t ' gen-sysinfo.go | \
  53   sed -e 's/_in6_addr/[16]byte/' >> ${OUT}
  54
  55 # The errno constants.  These get type Errno.
  56   egrep '#define E[A-Z0-9_]+ ' errno.i | \
  57   sed -e 's/^#define \(E[A-Z0-9_]*\) .*$/const \1 = Errno(_\1)/' >> ${OUT}
  58
  59 # The O_xxx flags.
  60 egrep '^const _(O|F|FD)_' gen-sysinfo.go | \
  61   sed -e 's/^\(const \)_\([^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
  62 if ! grep '^const O_ASYNC' ${OUT} >/dev/null 2>&1; then
  63   echo "const O_ASYNC = 0" >> ${OUT}
  64 fi
  65 if ! grep '^const O_CLOEXEC' ${OUT} >/dev/null 2>&1; then
  66   echo "const O_CLOEXEC = 0" >> ${OUT}
  67 fi
  68
  69 # The os package requires F_DUPFD_CLOEXEC to be defined.
  70 if ! grep '^const F_DUPFD_CLOEXEC' ${OUT} >/dev/null 2>&1; then
  71   echo "const F_DUPFD_CLOEXEC = 0" >> ${OUT}
  72 fi
  73
  74 # AIX 7.1 is a 64 bits value for _FCLOEXEC (referenced by O_CLOEXEC)
  75 # which leads to a constant overflow when using O_CLOEXEC in some
  76 # go code. Issue wan not present in 6.1 (no O_CLOEXEC) and is no
  77 # more present in 7.2 (_FCLOEXEC is a 32 bit value).
  78 if test "${GOOS}" = "aix" && `oslevel | grep -q "^7.1"`; then
  79     sed -e 's/const __FCLOEXEC = .*/const __FCLOEXEC = 0/' ${OUT} > ${OUT}-2
  80     mv ${OUT}-2 ${OUT}
  81 fi
  82
  83 # These flags can be lost on i386 GNU/Linux when using
  84 # -D_FILE_OFFSET_BITS=64, because we see "#define F_SETLK F_SETLK64"
  85 # before we see the definition of F_SETLK64.
  86 for flag in F_GETLK F_SETLK F_SETLKW; do
  87   if ! grep "^const ${flag} " ${OUT} >/dev/null 2>&1 \
  88       && grep "^const ${flag}64 " ${OUT} >/dev/null 2>&1; then
  89     echo "const ${flag} = ${flag}64" >> ${OUT}
  90   fi
  91 done
  92
  93 # The Flock_t struct for fcntl.
  94 grep '^type _flock ' gen-sysinfo.go | \
  95     sed -e 's/type _flock/type Flock_t/' \
  96       -e 's/l_type/Type/' \
  97       -e 's/l_whence/Whence/' \
  98       -e 's/l_start/Start/' \
  99       -e 's/l_len/Len/' \
 100       -e 's/l_pid/Pid/' \
 101     >> ${OUT}
 102
 103 # The signal numbers.
 104 grep '^const _SIG[^_]' gen-sysinfo.go | \
 105   grep -v '^const _SIGEV_' | \
 106   sed -e 's/^\(const \)_\(SIG[^= ]*\)\(.*\)$/\1\2 = Signal(_\2)/' >> ${OUT}
 107 if ! grep '^const SIGPOLL ' ${OUT} >/dev/null 2>&1; then
 108   if grep '^const SIGIO ' ${OUT} > /dev/null 2>&1; then
 109     echo "const SIGPOLL = SIGIO" >> ${OUT}
 110   fi
 111 fi
 112 if ! grep '^const SIGCLD ' ${OUT} >/dev/null 2>&1; then
 113   if grep '^const SIGCHLD ' ${OUT} >/dev/null 2>&1; then
 114     echo "const SIGCLD = SIGCHLD" >> ${OUT}
 115   fi
 116 fi
 117
 118 # The syscall numbers.  We force the names to upper case.
 119 grep '^const _SYS_' gen-sysinfo.go | \
 120   sed -e 's/const _\(SYS_[^= ]*\).*$/\1/' | \
 121   while read sys; do
 122     sup=`echo $sys | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ`
 123     echo "const $sup = _$sys" >> ${OUT}
 124   done
 125
 126 # The GNU/Linux support wants to use SYS_GETDENTS64 if available.
 127 if ! grep '^const SYS_GETDENTS ' ${OUT} >/dev/null 2>&1; then
 128   echo "const SYS_GETDENTS = 0" >> ${OUT}
 129 fi
 130 if ! grep '^const SYS_GETDENTS64 ' ${OUT} >/dev/null 2>&1; then
 131   echo "const SYS_GETDENTS64 = 0" >> ${OUT}
 132 fi
 133
 134 # Stat constants.
 135 grep '^const _S_' gen-sysinfo.go | \
 136   sed -e 's/^\(const \)_\(S_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 137
 138 # Mmap constants.
 139 grep '^const _PROT_' gen-sysinfo.go | \
 140   sed -e 's/^\(const \)_\(PROT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 141 grep '^const _MAP_' gen-sysinfo.go | \
 142   sed -e 's/^\(const \)_\(MAP_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 143 grep '^const _MADV_' gen-sysinfo.go | \
 144   sed -e 's/^\(const \)_\(MADV_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 145 grep '^const _MCL_' gen-sysinfo.go | \
 146   sed -e 's/^\(const \)_\(MCL_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 147
 148 # Process status constants.
 149 grep '^const _W' gen-sysinfo.go |
 150   sed -e 's/^\(const \)_\(W[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 151 # WSTOPPED was introduced in glibc 2.3.4.
 152 if ! grep '^const _WSTOPPED = ' gen-sysinfo.go >/dev/null 2>&1; then
 153   if grep '^const _WUNTRACED = ' gen-sysinfo.go > /dev/null 2>&1; then
 154     echo 'const WSTOPPED = _WUNTRACED' >> ${OUT}
 155   else
 156     echo 'const WSTOPPED = 2' >> ${OUT}
 157   fi
 158 fi
 159 if grep '^const ___WALL = ' gen-sysinfo.go >/dev/null 2>&1 \
 160    && ! grep '^const _WALL = ' gen-sysinfo.go >/dev/null 2>&1; then
 161   echo 'const WALL = ___WALL' >> ${OUT}
 162 fi
 163
 164 # Networking constants.
 165 egrep '^const _(AF|ARPHRD|ETH|IN|SOCK|SOL|SO|IPPROTO|TCP|IP|IPV6)_' gen-sysinfo.go |
 166   sed -e 's/^\(const \)_\([^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 167 grep '^const _SOMAXCONN' gen-sysinfo.go |
 168   sed -e 's/^\(const \)_\(SOMAXCONN[^= ]*\)\(.*\)$/\1\2 = _\2/' \
 169     >> ${OUT}
 170 grep '^const _SHUT_' gen-sysinfo.go |
 171   sed -e 's/^\(const \)_\(SHUT[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 172
 173 # The net package requires some const definitions.
 174 for m in IP_PKTINFO IPV6_V6ONLY IPPROTO_IPV6 IPV6_JOIN_GROUP IPV6_LEAVE_GROUP IPV6_TCLASS SO_REUSEPORT; do
 175   if ! grep "^const $m " ${OUT} >/dev/null 2>&1; then
 176     echo "const $m = 0" >> ${OUT}
 177   fi
 178 done
 179 for m in SOCK_CLOEXEC SOCK_NONBLOCK; do
 180   if ! grep "^const $m " ${OUT} >/dev/null 2>&1; then
 181     echo "const $m = -1" >> ${OUT}
 182   fi
 183 done
 184
 185 # The syscall package requires AF_LOCAL.
 186 if ! grep '^const AF_LOCAL ' ${OUT} >/dev/null 2>&1; then
 187   if grep '^const AF_UNIX ' ${OUT} >/dev/null 2>&1; then
 188     echo "const AF_LOCAL = AF_UNIX" >> ${OUT}
 189   fi
 190 fi
 191
 192 # sysconf constants.
 193 grep '^const __SC' gen-sysinfo.go |
 194   sed -e 's/^\(const \)__\(SC[^= ]*\)\(.*\)$/\1\2 = __\2/' >> ${OUT}
 195
 196 # pathconf constants.
 197 grep '^const __PC' gen-sysinfo.go |
 198   sed -e 's/^\(const \)__\(PC[^= ]*\)\(.*\)$/\1\2 = __\2/' >> ${OUT}
 199
 200 # The PATH_MAX constant.
 201 if grep '^const _PATH_MAX ' gen-sysinfo.go >/dev/null 2>&1; then
 202   echo 'const PathMax = _PATH_MAX' >> ${OUT}
 203 fi
 204
 205 # epoll constants.
 206 grep '^const _EPOLL' gen-sysinfo.go |
 207   grep -v EPOLLET |
 208   sed -e 's/^\(const \)_\(EPOLL[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 209 # Make sure EPOLLET is positive.
 210 if grep '^const _EPOLLET = [0-9]' gen-sysinfo.go >/dev/null 2>&1; then
 211   grep '^const _EPOLLET ' gen-sysinfo.go |
 212     sed -e 's/^\(const \)_\(EPOLL[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 213 else
 214   echo "const EPOLLET = 0x80000000" >> ${OUT}
 215 fi
 216 # Make sure EPOLLRDHUP and EPOLL_CLOEXEC are defined.
 217 if ! grep '^const EPOLLRDHUP' ${OUT} >/dev/null 2>&1; then
 218   echo "const EPOLLRDHUP = 0x2000" >> ${OUT}
 219 fi
 220 if ! grep '^const EPOLL_CLOEXEC' ${OUT} >/dev/null 2>&1; then
 221   echo "const EPOLL_CLOEXEC = 02000000" >> ${OUT}
 222 fi
 223
 224 # Prctl constants.
 225 grep '^const _PR_' gen-sysinfo.go |
 226   sed -e 's/^\(const \)_\(PR_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 227
 228 # Ptrace constants.
 229 grep '^const _PTRACE' gen-sysinfo.go |
 230   sed -e 's/^\(const \)_\(PTRACE[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 231 # We need some ptrace options that are not defined in older versions
 232 # of glibc.
 233 if ! grep '^const PTRACE_SETOPTIONS' ${OUT} > /dev/null 2>&1; then
 234   echo "const PTRACE_SETOPTIONS = 0x4200" >> ${OUT}
 235 fi
 236 if ! grep '^const PTRACE_O_TRACESYSGOOD' ${OUT} > /dev/null 2>&1; then
 237   echo "const PTRACE_O_TRACESYSGOOD = 0x1" >> ${OUT}
 238 fi
 239 if ! grep '^const PTRACE_O_TRACEFORK' ${OUT} > /dev/null 2>&1; then
 240   echo "const PTRACE_O_TRACEFORK = 0x2" >> ${OUT}
 241 fi
 242 if ! grep '^const PTRACE_O_TRACEVFORK' ${OUT} > /dev/null 2>&1; then
 243   echo "const PTRACE_O_TRACEVFORK = 0x4" >> ${OUT}
 244 fi
 245 if ! grep '^const PTRACE_O_TRACECLONE' ${OUT} > /dev/null 2>&1; then
 246   echo "const PTRACE_O_TRACECLONE = 0x8" >> ${OUT}
 247 fi
 248 if ! grep '^const PTRACE_O_TRACEEXEC' ${OUT} > /dev/null 2>&1; then
 249   echo "const PTRACE_O_TRACEEXEC = 0x10" >> ${OUT}
 250 fi
 251 if ! grep '^const PTRACE_O_TRACEVFORKDONE' ${OUT} > /dev/null 2>&1; then
 252   echo "const PTRACE_O_TRACEVFORKDONE = 0x20" >> ${OUT}
 253 fi
 254 if ! grep '^const PTRACE_O_TRACEEXIT' ${OUT} > /dev/null 2>&1; then
 255   echo "const PTRACE_O_TRACEEXIT = 0x40" >> ${OUT}
 256 fi
 257 if ! grep '^const PTRACE_O_MASK' ${OUT} > /dev/null 2>&1; then
 258   echo "const PTRACE_O_MASK = 0x7f" >> ${OUT}
 259 fi
 260 if ! grep '^const _PTRACE_GETEVENTMSG' ${OUT} > /dev/null 2>&1; then
 261   echo "const PTRACE_GETEVENTMSG = 0x4201" >> ${OUT}
 262 fi
 263 if ! grep '^const PTRACE_EVENT_FORK' ${OUT} > /dev/null 2>&1; then
 264   echo "const PTRACE_EVENT_FORK = 1" >> ${OUT}
 265 fi
 266 if ! grep '^const PTRACE_EVENT_VFORK' ${OUT} > /dev/null 2>&1; then
 267   echo "const PTRACE_EVENT_VFORK = 2" >> ${OUT}
 268 fi
 269 if ! grep '^const PTRACE_EVENT_CLONE' ${OUT} > /dev/null 2>&1; then
 270   echo "const PTRACE_EVENT_CLONE = 3" >> ${OUT}
 271 fi
 272 if ! grep '^const PTRACE_EVENT_EXEC' ${OUT} > /dev/null 2>&1; then
 273   echo "const PTRACE_EVENT_EXEC = 4" >> ${OUT}
 274 fi
 275 if ! grep '^const PTRACE_EVENT_VFORK_DONE' ${OUT} > /dev/null 2>&1; then
 276   echo "const PTRACE_EVENT_VFORK_DONE = 5" >> ${OUT}
 277 fi
 278 if ! grep '^const PTRACE_EVENT_EXIT' ${OUT} > /dev/null 2>&1; then
 279   echo "const PTRACE_EVENT_EXIT = 6" >> ${OUT}
 280 fi
 281 if ! grep '^const _PTRACE_TRACEME' ${OUT} > /dev/null 2>&1; then
 282   echo "const _PTRACE_TRACEME = 0" >> ${OUT}
 283 fi
 284
 285 # A helper function that prints a structure from gen-sysinfo.go with the first
 286 # letter of the field names in upper case.  $1 is the name of structure.  If $2
 287 # is not empty, the structure or type is renamed to $2.
 288 upcase_fields () {
 289   name="$1"
 290   def=`grep "^type $name " gen-sysinfo.go`
 291   fields=`echo $def | sed -e 's/^[^{]*{\(.*\)}$/\1/'`
 292   prefix=`echo $def | sed -e 's/{.*//'`
 293   if test "$2" != ""; then
 294     prefix=`echo $prefix | sed -e "s/$1/$2/"`
 295   fi
 296   if test "$fields" != ""; then
 297     nfields=
 298     while test -n "$fields"; do
 299       field=`echo $fields | sed -e 's/^\([^;]*\);.*$/\1/'`
 300       fields=`echo $fields | sed -e 's/^[^;]*; *\(.*\)$/\1/'`
 301       # capitalize the next character.
 302       f=`echo $field | sed -e 's/^\(.\).*$/\1/'`
 303       r=`echo $field | sed -e 's/^.\(.*\)$/\1/'`
 304       f=`echo $f | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ`
 305       field="$f$r"
 306       nfields="$nfields $field;"
 307     done
 308     echo "${prefix} {$nfields }"
 309   fi
 310 }
 311
 312 # The registers returned by PTRACE_GETREGS.  This is probably
 313 # GNU/Linux specific; it should do no harm if there is no
 314 # _user_regs_struct.
 315 regs=`grep '^type _user_regs_struct struct' gen-sysinfo.go || true`
 316 if test "$regs" = ""; then
 317   # mips*
 318   regs=`grep '^type _pt_regs struct' gen-sysinfo.go || true`
 319 fi
 320 if test "$regs" != ""; then
 321   regs=`echo $regs | sed -e 's/type _pt_regs struct//'`
 322   regs=`echo $regs |
 323     sed -e 's/type __*user_regs_struct struct //' -e 's/[{}]//g'`
 324   regs=`echo $regs | sed -e s'/^ *//'`
 325   nregs=
 326   while test -n "$regs"; do
 327     field=`echo $regs | sed -e 's/^\([^;]*\);.*$/\1/'`
 328     regs=`echo $regs | sed -e 's/^[^;]*; *\(.*\)$/\1/'`
 329     # Capitalize the first character of the field.
 330     f=`echo $field | sed -e 's/^\(.\).*$/\1/'`
 331     r=`echo $field | sed -e 's/^.\(.*\)$/\1/'`
 332     f=`echo $f | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ`
 333     field="$f$r"
 334     field=`echo "$field" | sed \
 335       -e 's/__user_psw_struct/PtracePsw/' \
 336       -e 's/__user_fpregs_struct/PtraceFpregs/' \
 337       -e 's/__user_per_struct/PtracePer/'`
 338     nregs="$nregs $field;"
 339   done
 340   echo "type PtraceRegs struct {$nregs }" >> ${OUT}
 341 fi
 342
 343 # Some basic types.
 344 echo 'type Size_t _size_t' >> ${OUT}
 345 echo "type Ssize_t _ssize_t" >> ${OUT}
 346 if grep '^const _HAVE_OFF64_T = ' gen-sysinfo.go > /dev/null 2>&1; then
 347   echo "type Offset_t _off64_t" >> ${OUT}
 348 else
 349   echo "type Offset_t _off_t" >> ${OUT}
 350 fi
 351 echo "type Mode_t _mode_t" >> ${OUT}
 352 echo "type Pid_t _pid_t" >> ${OUT}
 353 echo "type Uid_t _uid_t" >> ${OUT}
 354 echo "type Gid_t _gid_t" >> ${OUT}
 355 echo "type Socklen_t _socklen_t" >> ${OUT}
 356
 357 # The C int type.
 358 sizeof_int=`grep '^const ___SIZEOF_INT__ = ' gen-sysinfo.go | sed -e 's/.*= //'`
 359 if test "$sizeof_int" = "4"; then
 360   echo "type _C_int int32" >> ${OUT}
 361   echo "type _C_uint uint32" >> ${OUT}
 362 elif test "$sizeof_int" = "8"; then
 363   echo "type _C_int int64" >> ${OUT}
 364   echo "type _C_uint uint64" >> ${OUT}
 365 else
 366   echo 1>&2 "mksysinfo.sh: could not determine size of int (got $sizeof_int)"
 367   exit 1
 368 fi
 369
 370 # The C long type, needed because that is the type that ptrace returns.
 371 sizeof_long=`grep '^const ___SIZEOF_LONG__ = ' gen-sysinfo.go | sed -e 's/.*= //'`
 372 if test "$sizeof_long" = "4"; then
 373   echo "type _C_long int32" >> ${OUT}
 374   echo "type _C_ulong uint32" >> ${OUT}
 375 elif test "$sizeof_long" = "8"; then
 376   echo "type _C_long int64" >> ${OUT}
 377   echo "type _C_ulong uint64" >> ${OUT}
 378 else
 379   echo 1>&2 "mksysinfo.sh: could not determine size of long (got $sizeof_long)"
 380   exit 1
 381 fi
 382
 383 # Solaris 2 needs _u?pad128_t, but its default definition in terms of long
 384 # double is commented by -fdump-go-spec.
 385 if grep "^// type _pad128_t" gen-sysinfo.go > /dev/null 2>&1; then
 386   echo "type _pad128_t struct { _l [4]int32; }" >> ${OUT}
 387 fi
 388 if grep "^// type _upad128_t" gen-sysinfo.go > /dev/null 2>&1; then
 389   echo "type _upad128_t struct { _l [4]uint32; }" >> ${OUT}
 390 fi
 391
 392 # The time_t type.
 393 if grep '^type _time_t ' gen-sysinfo.go > /dev/null 2>&1; then
 394   echo 'type Time_t _time_t' >> ${OUT}
 395 fi
 396
 397 # The time structures need special handling: we need to name the
 398 # types, so that we can cast integers to the right types when
 399 # assigning to the structures.
 400 timeval=`grep '^type _timeval ' gen-sysinfo.go`
 401 timeval_sec=`echo $timeval | sed -n -e 's/^.*tv_sec \([^ ]*\);.*$/\1/p'`
 402 timeval_usec=`echo $timeval | sed -n -e 's/^.*tv_usec \([^ ]*\);.*$/\1/p'`
 403 echo "type Timeval_sec_t $timeval_sec" >> ${OUT}
 404 echo "type Timeval_usec_t $timeval_usec" >> ${OUT}
 405 echo $timeval | \
 406   sed -e 's/type _timeval /type Timeval /' \
 407       -e 's/tv_sec *[a-zA-Z0-9_]*/Sec Timeval_sec_t/' \
 408       -e 's/tv_usec *[a-zA-Z0-9_]*/Usec Timeval_usec_t/' >> ${OUT}
 409 timespec=`grep '^type _timespec ' gen-sysinfo.go || true`
 410 if test "$timespec" = ""; then
 411   # IRIX 6.5 has __timespec instead.
 412   timespec=`grep '^type ___timespec ' gen-sysinfo.go || true`
 413 fi
 414 timespec_sec=`echo $timespec | sed -n -e 's/^.*tv_sec \([^ ]*\);.*$/\1/p'`
 415 timespec_nsec=`echo $timespec | sed -n -e 's/^.*tv_nsec \([^ ]*\);.*$/\1/p'`
 416 echo "type Timespec_sec_t $timespec_sec" >> ${OUT}
 417 echo "type Timespec_nsec_t $timespec_nsec" >> ${OUT}
 418 echo $timespec | \
 419   sed -e 's/^type ___timespec /type Timespec /' \
 420       -e 's/^type _timespec /type Timespec /' \
 421       -e 's/tv_sec *[a-zA-Z0-9_]*/Sec Timespec_sec_t/' \
 422       -e 's/tv_nsec *[a-zA-Z0-9_]*/Nsec Timespec_nsec_t/' >> ${OUT}
 423
 424 timestruc=`grep '^type _timestruc_t ' gen-sysinfo.go || true`
 425 if test "$timestruc" != ""; then
 426   timestruc_sec=`echo $timestruc | sed -n -e 's/^.*tv_sec \([^ ]*\);.*$/\1/p'`
 427   timestruc_nsec=`echo $timestruc | sed -n -e 's/^.*tv_nsec \([^ ]*\);.*$/\1/p'`
 428   echo "type Timestruc_sec_t $timestruc_sec" >> ${OUT}
 429   echo "type Timestruc_nsec_t $timestruc_nsec" >> ${OUT}
 430   echo $timestruc | \
 431     sed -e 's/^type _timestruc_t /type Timestruc /' \
 432         -e 's/tv_sec *[a-zA-Z0-9_]*/Sec Timestruc_sec_t/' \
 433         -e 's/tv_nsec *[a-zA-Z0-9_]*/Nsec Timestruc_nsec_t/' >> ${OUT}
 434 fi
 435
 436 # The tms struct.
 437 grep '^type _tms ' gen-sysinfo.go | \
 438     sed -e 's/type _tms/type Tms/' \
 439       -e 's/tms_utime/Utime/' \
 440       -e 's/tms_stime/Stime/' \
 441       -e 's/tms_cutime/Cutime/' \
 442       -e 's/tms_cstime/Cstime/' \
 443     >> ${OUT}
 444
 445 # The stat type.
 446 # Prefer largefile variant if available.
 447 stat=`grep '^type _stat64 ' gen-sysinfo.go || true`
 448 if test "$stat" != ""; then
 449   grep '^type _stat64 ' gen-sysinfo.go
 450 else
 451   grep '^type _stat ' gen-sysinfo.go
 452 fi | sed -e 's/type _stat64/type Stat_t/' \
 453          -e 's/type _stat/type Stat_t/' \
 454          -e 's/st_dev/Dev/' \
 455          -e 's/st_ino/Ino/g' \
 456          -e 's/st_nlink/Nlink/' \
 457          -e 's/st_mode/Mode/' \
 458          -e 's/st_uid/Uid/' \
 459          -e 's/st_gid/Gid/' \
 460          -e 's/st_rdev/Rdev/' \
 461          -e 's/st_size/Size/' \
 462          -e 's/st_blksize/Blksize/' \
 463          -e 's/st_blocks/Blocks/' \
 464          -e 's/st_atim/Atim/' \
 465          -e 's/st_mtim/Mtim/' \
 466          -e 's/st_ctim/Ctim/' \
 467          -e 's/\([^a-zA-Z0-9_]\)_timeval\([^a-zA-Z0-9_]\)/\1Timeval\2/g' \
 468          -e 's/\([^a-zA-Z0-9_]\)_timespec_t\([^a-zA-Z0-9_]\)/\1Timespec\2/g' \
 469          -e 's/\([^a-zA-Z0-9_]\)_st_timespec_t\([^a-zA-Z0-9_]\)/\1Timespec\2/g' \
 470          -e 's/\([^a-zA-Z0-9_]\)_timespec\([^a-zA-Z0-9_]\)/\1Timespec\2/g' \
 471          -e 's/\([^a-zA-Z0-9_]\)_timestruc_t\([^a-zA-Z0-9_]\)/\1Timestruc\2/g' \
 472          -e 's/Godump_[0-9] struct { \([^;]*;\) };/\1/g' \
 473        >> ${OUT}
 474
 475 # The directory searching types.
 476 # Prefer largefile variant if available.
 477 dirent=`grep '^type _dirent64 ' gen-sysinfo.go || true`
 478 if test "$dirent" != ""; then
 479   grep '^type _dirent64 ' gen-sysinfo.go
 480 else
 481   grep '^type _dirent ' gen-sysinfo.go
 482 fi | sed -e 's/type _dirent64/type Dirent/' \
 483          -e 's/type _dirent/type Dirent/' \
 484          -e 's/d_name \[0+1\]/d_name [0+256]/' \
 485          -e 's/d_name/Name/' \
 486          -e 's/]int8/]byte/' \
 487          -e 's/d_ino/Ino/' \
 488          -e 's/d_namlen/Namlen/' \
 489          -e 's/d_off/Off/' \
 490          -e 's/d_reclen/Reclen/' \
 491          -e 's/d_type/Type/' \
 492       >> ${OUT}
 493 echo "type DIR _DIR" >> ${OUT}
 494
 495 # Values for d_type field in dirent.
 496 grep '^const _DT_' gen-sysinfo.go |
 497   sed -e 's/^\(const \)_\(DT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 498
 499 # The rusage struct.
 500 rusage=`grep '^type _rusage struct' gen-sysinfo.go`
 501 if test "$rusage" != ""; then
 502   # Remove anonymous unions from GNU/Linux <bits/resource.h>.
 503   rusage=`echo $rusage | sed -e 's/Godump_[0-9][0-9]* struct {\([^}]*\)};/\1/g'`
 504   rusage=`echo $rusage | sed -e 's/type _rusage struct //' -e 's/[{}]//g'`
 505   rusage=`echo $rusage | sed -e 's/^ *//'`
 506   nrusage=
 507   while test -n "$rusage"; do
 508     field=`echo $rusage | sed -e 's/^\([^;]*\);.*$/\1/'`
 509     rusage=`echo $rusage | sed -e 's/^[^;]*; *\(.*\)$/\1/'`
 510     # Drop the leading ru_, capitalize the next character.
 511     field=`echo $field | sed -e 's/^ru_//'`
 512     f=`echo $field | sed -e 's/^\(.\).*$/\1/'`
 513     r=`echo $field | sed -e 's/^.\(.*\)$/\1/'`
 514     f=`echo $f | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ`
 515     # Fix _timeval _timespec, and _timestruc_t.
 516     r=`echo $r | sed -e s'/ _timeval$/ Timeval/'`
 517     r=`echo $r | sed -e s'/ _timespec$/ Timespec/'`
 518     r=`echo $r | sed -e s'/ _timestruc_t$/ Timestruc/'`
 519     field="$f$r"
 520     nrusage="$nrusage $field;"
 521   done
 522   echo "type Rusage struct {$nrusage }" >> ${OUT}
 523 else
 524   echo "type Rusage struct {}" >> ${OUT}
 525 fi
 526
 527 # The RUSAGE constants.
 528 grep '^const _RUSAGE_' gen-sysinfo.go | \
 529   sed -e 's/^\(const \)_\(RUSAGE_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 530
 531 # The utsname struct.
 532 grep '^type _utsname ' gen-sysinfo.go | \
 533     sed -e 's/_utsname/Utsname/' \
 534       -e 's/sysname/Sysname/' \
 535       -e 's/nodename/Nodename/' \
 536       -e 's/release/Release/' \
 537       -e 's/version/Version/' \
 538       -e 's/machine/Machine/' \
 539       -e 's/domainname/Domainname/' \
 540     >> ${OUT}
 541
 542 # The iovec struct.
 543 iovec=`grep '^type _iovec ' gen-sysinfo.go`
 544 iovec_len=`echo $iovec | sed -n -e 's/^.*iov_len \([^ ]*\);.*$/\1/p'`
 545 echo "type Iovec_len_t $iovec_len" >> ${OUT}
 546 echo $iovec | \
 547     sed -e 's/_iovec/Iovec/' \
 548       -e 's/iov_base/Base/' \
 549       -e 's/iov_len *[a-zA-Z0-9_]*/Len Iovec_len_t/' \
 550     >> ${OUT}
 551
 552 # The msghdr struct.
 553 msghdr=`grep '^type _msghdr ' gen-sysinfo.go`
 554 msghdr_controllen=`echo $msghdr | sed -n -e 's/^.*msg_controllen \([^ ]*\);.*$/\1/p'`
 555 echo "type Msghdr_controllen_t $msghdr_controllen" >> ${OUT}
 556 echo $msghdr | \
 557     sed -e 's/_msghdr/Msghdr/' \
 558       -e 's/msg_name/Name/' \
 559       -e 's/msg_namelen/Namelen/' \
 560       -e 's/msg_iov/Iov/' \
 561       -e 's/msg_iovlen/Iovlen/' \
 562       -e 's/_iovec/Iovec/' \
 563       -e 's/msg_control/Control/' \
 564       -e 's/msg_controllen *[a-zA-Z0-9_]*/Controllen Msghdr_controllen_t/' \
 565       -e 's/msg_flags/Flags/' \
 566     >> ${OUT}
 567
 568 # The MSG_ flags for Msghdr.
 569 grep '^const _MSG_' gen-sysinfo.go | \
 570   sed -e 's/^\(const \)_\(MSG_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 571
 572 # The cmsghdr struct.
 573 cmsghdr=`grep '^type _cmsghdr ' gen-sysinfo.go`
 574 if test -n "$cmsghdr"; then
 575   cmsghdr_len=`echo $cmsghdr | sed -n -e 's/^.*cmsg_len \([^ ]*\);.*$/\1/p'`
 576   echo "type Cmsghdr_len_t $cmsghdr_len" >> ${OUT}
 577   echo "$cmsghdr" | \
 578       sed -e 's/_cmsghdr/Cmsghdr/' \
 579         -e 's/cmsg_len *[a-zA-Z0-9_]*/Len Cmsghdr_len_t/' \
 580         -e 's/cmsg_level/Level/' \
 581         -e 's/cmsg_type/Type/' \
 582         -e 's/\[\]/[0]/' \
 583       >> ${OUT}
 584 fi
 585
 586 # The SCM_ flags for Cmsghdr.
 587 grep '^const _SCM_' gen-sysinfo.go | \
 588   sed -e 's/^\(const \)_\(SCM_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 589
 590 # The ucred struct.
 591 upcase_fields "_ucred" "Ucred" >> ${OUT} || true
 592
 593 # The ip_mreq struct.
 594 grep '^type _ip_mreq ' gen-sysinfo.go | \
 595     sed -e 's/_ip_mreq/IPMreq/' \
 596       -e 's/imr_multiaddr/Multiaddr/' \
 597       -e 's/imr_interface/Interface/' \
 598       -e 's/_in_addr/[4]byte/g' \
 599     >> ${OUT}
 600
 601 # We need IPMreq to compile the net package.
 602 if ! grep 'type IPMreq ' ${OUT} >/dev/null 2>&1; then
 603   echo 'type IPMreq struct { Multiaddr [4]byte; Interface [4]byte; }' >> ${OUT}
 604 fi
 605
 606 # The ipv6_mreq struct.
 607 grep '^type _ipv6_mreq ' gen-sysinfo.go | \
 608     sed -e 's/_ipv6_mreq/IPv6Mreq/' \
 609       -e 's/ipv6mr_multiaddr/Multiaddr/' \
 610       -e 's/ipv6mr_interface/Interface/' \
 611       -e 's/_in6_addr/[16]byte/' \
 612     >> ${OUT}
 613
 614 # We need IPv6Mreq to compile the net package.
 615 if ! grep 'type IPv6Mreq ' ${OUT} >/dev/null 2>&1; then
 616   echo 'type IPv6Mreq struct { Multiaddr [16]byte; Interface uint32; }' >> ${OUT}
 617 fi
 618
 619 # The ip_mreqn struct.
 620 grep '^type _ip_mreqn ' gen-sysinfo.go | \
 621     sed -e 's/_ip_mreqn/IPMreqn/' \
 622       -e 's/imr_multiaddr/Multiaddr/' \
 623       -e 's/imr_address/Address/' \
 624       -e 's/imr_ifindex/Ifindex/' \
 625       -e 's/_in_addr/[4]byte/g' \
 626     >> ${OUT}
 627
 628 # We need IPMreq to compile the net package.
 629 if ! grep 'type IPMreqn ' ${OUT} >/dev/null 2>&1; then
 630   echo 'type IPMreqn struct { Multiaddr [4]byte; Interface [4]byte; Ifindex int32 }' >> ${OUT}
 631 fi
 632
 633 # The icmp6_filter struct.
 634 grep '^type _icmp6_filter ' gen-sysinfo.go | \
 635     sed -e 's/_icmp6_filter/ICMPv6Filter/' \
 636       -e 's/data/Data/' \
 637       -e 's/filt/Filt/' \
 638     >> ${OUT}
 639
 640 # We need ICMPv6Filter to compile the syscall package.
 641 if ! grep 'type ICMPv6Filter ' ${OUT} > /dev/null 2>&1; then
 642   echo 'type ICMPv6Filter struct { Data [8]uint32 }' >> ${OUT}
 643 fi
 644
 645 # The ip6_mtuinfo struct.
 646 grep '^type _ip6_mtuinfo ' gen-sysinfo.go | \
 647     sed -e 's/_ip6_mtuinfo/IPv6MTUInfo/' \
 648       -e 's/ip6m_addr/Addr/' \
 649       -e 's/_sockaddr_in6/RawSockaddrInet6/' \
 650       -e 's/ip6m_mtu/Mtu/' \
 651     >> ${OUT}
 652
 653 # Try to guess the type to use for fd_set.
 654 fd_set=`grep '^type _fd_set ' gen-sysinfo.go || true`
 655 fds_bits_type="_C_long"
 656 if test "$fd_set" != ""; then
 657     fds_bits_type=`echo $fd_set | sed -e 's/.*[]]\([^;]*\); }$/\1/'`
 658 fi
 659 echo "type fds_bits_type $fds_bits_type" >> ${OUT}
 660
 661 # The addrinfo struct.
 662 grep '^type _addrinfo ' gen-sysinfo.go | \
 663     sed -e 's/_addrinfo/Addrinfo/g' \
 664       -e 's/ ai_/ Ai_/g' \
 665     >> ${OUT}
 666
 667 # The addrinfo and nameinfo flags and errors.
 668 grep '^const _AI_' gen-sysinfo.go | \
 669   sed -e 's/^\(const \)_\(AI_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 670 grep '^const _EAI_' gen-sysinfo.go | \
 671   sed -e 's/^\(const \)_\(EAI_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 672 grep '^const _NI_' gen-sysinfo.go | \
 673   sed -e 's/^\(const \)_\(NI_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 674
 675 # If nothing else defined EAI_OVERFLOW, make sure it has a value.
 676 if ! grep "const EAI_OVERFLOW " ${OUT} >/dev/null 2>&1; then
 677   echo "const EAI_OVERFLOW = 0" >> ${OUT}
 678 fi
 679
 680 # The passwd struct.
 681 grep '^type _passwd ' gen-sysinfo.go | \
 682     sed -e 's/_passwd/Passwd/' \
 683       -e 's/ pw_/ Pw_/g' \
 684     >> ${OUT}
 685
 686 # The group struct.
 687 grep '^type _group ' gen-sysinfo.go | \
 688     sed -e 's/_group/Group/' \
 689       -e 's/ gr_/ Gr_/g' \
 690     >> ${OUT}
 691
 692 # The ioctl flags for the controlling TTY.
 693 grep '^const _TIOC' gen-sysinfo.go | \
 694     grep -v '_val =' | \
 695     sed -e 's/^\(const \)_\(TIOC[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 696 grep '^const _TUNSET' gen-sysinfo.go | \
 697     grep -v '_val =' | \
 698     sed -e 's/^\(const \)_\(TUNSET[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 699 # We need TIOCGWINSZ.
 700 if ! grep '^const TIOCGWINSZ' ${OUT} >/dev/null 2>&1; then
 701   if grep '^const _TIOCGWINSZ_val' ${OUT} >/dev/null 2>&1; then
 702     echo 'const TIOCGWINSZ = _TIOCGWINSZ_val' >> ${OUT}
 703   fi
 704 fi
 705 if ! grep '^const TIOCSWINSZ' ${OUT} >/dev/null 2>&1; then
 706   if grep '^const _TIOCSWINSZ_val' ${OUT} >/dev/null 2>&1; then
 707     echo 'const TIOCSWINSZ = _TIOCSWINSZ_val' >> ${OUT}
 708   fi
 709 fi
 710 if ! grep '^const TIOCNOTTY' ${OUT} >/dev/null 2>&1; then
 711   if grep '^const _TIOCNOTTY_val' ${OUT} >/dev/null 2>&1; then
 712     echo 'const TIOCNOTTY = _TIOCNOTTY_val' >> ${OUT}
 713   fi
 714 fi
 715 if ! grep '^const TIOCSCTTY' ${OUT} >/dev/null 2>&1; then
 716   if grep '^const _TIOCSCTTY_val' ${OUT} >/dev/null 2>&1; then
 717     echo 'const TIOCSCTTY = _TIOCSCTTY_val' >> ${OUT}
 718   fi
 719 fi
 720 if ! grep '^const TIOCGPGRP' ${OUT} >/dev/null 2>&1; then
 721   if grep '^const _TIOCGPGRP_val' ${OUT} >/dev/null 2>&1; then
 722     echo 'const TIOCGPGRP = _TIOCGPGRP_val' >> ${OUT}
 723   fi
 724 fi
 725 if ! grep '^const TIOCSPGRP' ${OUT} >/dev/null 2>&1; then
 726   if grep '^const _TIOCSPGRP_val' ${OUT} >/dev/null 2>&1; then
 727     echo 'const TIOCSPGRP = _TIOCSPGRP_val' >> ${OUT}
 728   fi
 729 fi
 730 if ! grep '^const TIOCGPTN' ${OUT} >/dev/null 2>&1; then
 731   if grep '^const _TIOCGPTN_val' ${OUT} >/dev/null 2>&1; then
 732     echo 'const TIOCGPTN = _TIOCGPTN_val' >> ${OUT}
 733   fi
 734 fi
 735 if ! grep '^const TIOCSPTLCK' ${OUT} >/dev/null 2>&1; then
 736   if grep '^const _TIOCSPTLCK_val' ${OUT} >/dev/null 2>&1; then
 737     echo 'const TIOCSPTLCK = _TIOCSPTLCK_val' >> ${OUT}
 738   fi
 739 fi
 740 if ! grep '^const TIOCGDEV' ${OUT} >/dev/null 2>&1; then
 741   if grep '^const _TIOCGDEV_val' ${OUT} >/dev/null 2>&1; then
 742     echo 'const TIOCGDEV = _TIOCGDEV_val' >> ${OUT}
 743   fi
 744 fi
 745 if ! grep '^const TIOCSIG' ${OUT} >/dev/null 2>&1; then
 746   if grep '^const _TIOCSIG_val' ${OUT} >/dev/null 2>&1; then
 747     echo 'const TIOCSIG = _TIOCSIG_val' >> ${OUT}
 748   fi
 749 fi
 750
 751 if ! grep '^const TUNSETNOCSUM' ${OUT} >/dev/null 2>&1; then
 752   if grep '^const _TUNSETNOCSUM_val' ${OUT} >/dev/null 2>&1; then
 753     echo 'const TUNSETNOCSUM = _TUNSETNOCSUM_val' >> ${OUT}
 754   fi
 755 fi
 756
 757 if ! grep '^const TUNSETDEBUG' ${OUT} >/dev/null 2>&1; then
 758   if grep '^const _TUNSETDEBUG_val' ${OUT} >/dev/null 2>&1; then
 759     echo 'const TUNSETDEBUG = _TUNSETDEBUG_val' >> ${OUT}
 760   fi
 761 fi
 762
 763 if ! grep '^const TUNSETIFF' ${OUT} >/dev/null 2>&1; then
 764   if grep '^const _TUNSETIFF_val' ${OUT} >/dev/null 2>&1; then
 765     echo 'const TUNSETIFF = _TUNSETIFF_val' >> ${OUT}
 766   fi
 767 fi
 768
 769 if ! grep '^const TUNSETPERSIST' ${OUT} >/dev/null 2>&1; then
 770   if grep '^const _TUNSETPERSIST_val' ${OUT} >/dev/null 2>&1; then
 771     echo 'const TUNSETPERSIST = _TUNSETPERSIST_val' >> ${OUT}
 772   fi
 773 fi
 774
 775 if ! grep '^const TUNSETOWNER' ${OUT} >/dev/null 2>&1; then
 776   if grep '^const _TUNSETOWNER_val' ${OUT} >/dev/null 2>&1; then
 777     echo 'const TUNSETOWNER = _TUNSETOWNER_val' >> ${OUT}
 778   fi
 779 fi
 780
 781 if ! grep '^const TUNSETLINK' ${OUT} >/dev/null 2>&1; then
 782   if grep '^const _TUNSETLINK_val' ${OUT} >/dev/null 2>&1; then
 783     echo 'const TUNSETLINK = _TUNSETLINK_val' >> ${OUT}
 784   fi
 785 fi
 786
 787 if ! grep '^const TUNSETGROUP' ${OUT} >/dev/null 2>&1; then
 788   if grep '^const _TUNSETGROUP_val' ${OUT} >/dev/null 2>&1; then
 789     echo 'const TUNSETGROUP = _TUNSETGROUP_val' >> ${OUT}
 790   fi
 791 fi
 792
 793 if ! grep '^const TUNGETFEATURES' ${OUT} >/dev/null 2>&1; then
 794   if grep '^const _TUNGETFEATURES_val' ${OUT} >/dev/null 2>&1; then
 795     echo 'const TUNGETFEATURES = _TUNGETFEATURES_val' >> ${OUT}
 796   fi
 797 fi
 798
 799 if ! grep '^const TUNSETOFFLOAD' ${OUT} >/dev/null 2>&1; then
 800   if grep '^const _TUNSETOFFLOAD_val' ${OUT} >/dev/null 2>&1; then
 801     echo 'const TUNSETOFFLOAD = _TUNSETOFFLOAD_val' >> ${OUT}
 802   fi
 803 fi
 804
 805 if ! grep '^const TUNSETTXFILTER' ${OUT} >/dev/null 2>&1; then
 806   if grep '^const _TUNSETTXFILTER_val' ${OUT} >/dev/null 2>&1; then
 807     echo 'const TUNSETTXFILTER = _TUNSETTXFILTER_val' >> ${OUT}
 808   fi
 809 fi
 810
 811 if ! grep '^const TUNGETIFF' ${OUT} >/dev/null 2>&1; then
 812   if grep '^const _TUNGETIFF_val' ${OUT} >/dev/null 2>&1; then
 813     echo 'const TUNGETIFF = _TUNGETIFF_val' >> ${OUT}
 814   fi
 815 fi
 816
 817 if ! grep '^const TUNGETSNDBUF' ${OUT} >/dev/null 2>&1; then
 818   if grep '^const _TUNGETSNDBUF_val' ${OUT} >/dev/null 2>&1; then
 819     echo 'const TUNGETSNDBUF = _TUNGETSNDBUF_val' >> ${OUT}
 820   fi
 821 fi
 822
 823 if ! grep '^const TUNSETSNDBUF' ${OUT} >/dev/null 2>&1; then
 824   if grep '^const _TUNSETSNDBUF_val' ${OUT} >/dev/null 2>&1; then
 825     echo 'const TUNSETSNDBUF = _TUNSETSNDBUF_val' >> ${OUT}
 826   fi
 827 fi
 828
 829 if ! grep '^const TUNATTACHFILTER' ${OUT} >/dev/null 2>&1; then
 830   if grep '^const _TUNATTACHFILTER_val' ${OUT} >/dev/null 2>&1; then
 831     echo 'const TUNATTACHFILTER = _TUNATTACHFILTER_val' >> ${OUT}
 832   fi
 833 fi
 834
 835 if ! grep '^const TUNDETACHFILTER' ${OUT} >/dev/null 2>&1; then
 836   if grep '^const _TUNDETACHFILTER_val' ${OUT} >/dev/null 2>&1; then
 837     echo 'const TUNDETACHFILTER = _TUNDETACHFILTER_val' >> ${OUT}
 838   fi
 839 fi
 840
 841 if ! grep '^const TUNGETVNETHDRSZ' ${OUT} >/dev/null 2>&1; then
 842   if grep '^const _TUNGETVNETHDRSZ_val' ${OUT} >/dev/null 2>&1; then
 843     echo 'const TUNGETVNETHDRSZ = _TUNGETVNETHDRSZ_val' >> ${OUT}
 844   fi
 845 fi
 846
 847 if ! grep '^const TUNSETVNETHDRSZ' ${OUT} >/dev/null 2>&1; then
 848   if grep '^const _TUNSETVNETHDRSZ_val' ${OUT} >/dev/null 2>&1; then
 849     echo 'const TUNSETVNETHDRSZ = _TUNSETVNETHDRSZ_val' >> ${OUT}
 850   fi
 851 fi
 852
 853 if ! grep '^const TUNSETQUEUE' ${OUT} >/dev/null 2>&1; then
 854   if grep '^const _TUNSETQUEUE_val' ${OUT} >/dev/null 2>&1; then
 855     echo 'const TUNSETQUEUE = _TUNSETQUEUE_val' >> ${OUT}
 856   fi
 857 fi
 858
 859
 860 if ! grep '^const TUNSETIFINDEX' ${OUT} >/dev/null 2>&1; then
 861   if grep '^const _TUNSETIFINDEX_val' ${OUT} >/dev/null 2>&1; then
 862     echo 'const TUNSETIFINDEX = _TUNSETIFINDEX_val' >> ${OUT}
 863   fi
 864 fi
 865
 866 if ! grep '^const TUNGETFILTER' ${OUT} >/dev/null 2>&1; then
 867   if grep '^const _TUNGETFILTER_val' ${OUT} >/dev/null 2>&1; then
 868     echo 'const TUNGETFILTER = _TUNGETFILTER_val' >> ${OUT}
 869   fi
 870 fi
 871
 872 # The ioctl flags for terminal control
 873 grep '^const _TC[GS]ET' gen-sysinfo.go | grep -v _val | \
 874     sed -e 's/^\(const \)_\(TC[GS]ET[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 875 if ! grep '^const TCGETS' ${OUT} >/dev/null 2>&1; then
 876   if grep '^const _TCGETS_val' ${OUT} >/dev/null 2>&1; then
 877     echo 'const TCGETS = _TCGETS_val' >> ${OUT}
 878   fi
 879 fi
 880 if ! grep '^const TCSETS' ${OUT} >/dev/null 2>&1; then
 881   if grep '^const _TCSETS_val' ${OUT} >/dev/null 2>&1; then
 882     echo 'const TCSETS = _TCSETS_val' >> ${OUT}
 883   fi
 884 fi
 885
 886 # ioctl constants.  Might fall back to 0 if TIOCNXCL is missing, too, but
 887 # needs handling in syscalls.exec.go.
 888 if ! grep '^const _TIOCSCTTY ' gen-sysinfo.go >/dev/null 2>&1; then
 889   if grep '^const _TIOCNXCL ' gen-sysinfo.go >/dev/null 2>&1; then
 890     echo "const TIOCSCTTY = TIOCNXCL" >> ${OUT}
 891   fi
 892 fi
 893
 894 # If nothing else defined TIOCSCTTY, make sure it has a value.
 895 if ! grep "const TIOCSCTTY " ${OUT} >/dev/null 2>&1; then
 896   echo "const TIOCSCTTY = 0" >> ${OUT}
 897 fi
 898
 899 # The nlmsghdr struct.
 900 grep '^type _nlmsghdr ' gen-sysinfo.go | \
 901     sed -e 's/_nlmsghdr/NlMsghdr/' \
 902       -e 's/nlmsg_len/Len/' \
 903       -e 's/nlmsg_type/Type/' \
 904       -e 's/nlmsg_flags/Flags/' \
 905       -e 's/nlmsg_seq/Seq/' \
 906       -e 's/nlmsg_pid/Pid/' \
 907     >> ${OUT}
 908
 909 # The nlmsg flags and operators.
 910 grep '^const _NLM' gen-sysinfo.go | \
 911     sed -e 's/^\(const \)_\(NLM[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 912
 913 # NLMSG_HDRLEN is defined as an expression using sizeof.
 914 if ! grep '^const NLMSG_HDRLEN' ${OUT} > /dev/null 2>&1; then
 915   if grep '^const _sizeof_nlmsghdr ' ${OUT} > /dev/null 2>&1; then
 916     echo 'const NLMSG_HDRLEN = (_sizeof_nlmsghdr + (NLMSG_ALIGNTO-1)) &^ (NLMSG_ALIGNTO-1)' >> ${OUT}
 917   fi
 918 fi
 919
 920 # The rtmsg struct.
 921 grep '^type _rtmsg ' gen-sysinfo.go | \
 922     sed -e 's/_rtmsg/RtMsg/' \
 923       -e 's/rtm_family/Family/' \
 924       -e 's/rtm_dst_len/Dst_len/' \
 925       -e 's/rtm_src_len/Src_len/' \
 926       -e 's/rtm_tos/Tos/' \
 927       -e 's/rtm_table/Table/' \
 928       -e 's/rtm_protocol/Protocol/' \
 929       -e 's/rtm_scope/Scope/' \
 930       -e 's/rtm_type/Type/' \
 931       -e 's/rtm_flags/Flags/' \
 932     >> ${OUT}
 933
 934 # The rtgenmsg struct.
 935 grep '^type _rtgenmsg ' gen-sysinfo.go | \
 936     sed -e 's/_rtgenmsg/RtGenmsg/' \
 937       -e 's/rtgen_family/Family/' \
 938     >> ${OUT}
 939
 940 # The routing message flags.
 941 grep '^const _RT_' gen-sysinfo.go | \
 942     sed -e 's/^\(const \)_\(RT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 943 grep '^const _RTA' gen-sysinfo.go | \
 944     sed -e 's/^\(const \)_\(RTA[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 945 grep '^const _RTF' gen-sysinfo.go | \
 946     sed -e 's/^\(const \)_\(RTF[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 947 grep '^const _RTCF' gen-sysinfo.go | \
 948     sed -e 's/^\(const \)_\(RTCF[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 949 grep '^const _RTM' gen-sysinfo.go | \
 950     sed -e 's/^\(const \)_\(RTM[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 951 grep '^const _RTN' gen-sysinfo.go | \
 952     sed -e 's/^\(const \)_\(RTN[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 953 grep '^const _RTPROT' gen-sysinfo.go | \
 954     sed -e 's/^\(const \)_\(RTPROT[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 955
 956 # The ifinfomsg struct.
 957 grep '^type _ifinfomsg ' gen-sysinfo.go | \
 958     sed -e 's/_ifinfomsg/IfInfomsg/' \
 959       -e 's/ifi_family/Family/' \
 960       -e 's/ifi_type/Type/' \
 961       -e 's/ifi_index/Index/' \
 962       -e 's/ifi_flags/Flags/' \
 963       -e 's/ifi_change/Change/' \
 964     >> ${OUT}
 965
 966 # The interface information types and flags.
 967 grep '^const _IFA' gen-sysinfo.go | \
 968     sed -e 's/^\(const \)_\(IFA[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 969 grep '^const _IFLA' gen-sysinfo.go | \
 970     sed -e 's/^\(const \)_\(IFLA[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 971 grep '^const _IFF' gen-sysinfo.go | \
 972     sed -e 's/^\(const \)_\(IFF[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 973 grep '^const _IFNAMSIZ' gen-sysinfo.go | \
 974     sed -e 's/^\(const \)_\(IFNAMSIZ[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 975 grep '^const _SIOC' gen-sysinfo.go |
 976     sed -e 's/^\(const \)_\(SIOC[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 977
 978 # The ifaddrmsg struct.
 979 grep '^type _ifaddrmsg ' gen-sysinfo.go | \
 980     sed -e 's/_ifaddrmsg/IfAddrmsg/' \
 981       -e 's/ifa_family/Family/' \
 982       -e 's/ifa_prefixlen/Prefixlen/' \
 983       -e 's/ifa_flags/Flags/' \
 984       -e 's/ifa_scope/Scope/' \
 985       -e 's/ifa_index/Index/' \
 986     >> ${OUT}
 987
 988 # The rtattr struct.
 989 grep '^type _rtattr ' gen-sysinfo.go | \
 990     sed -e 's/_rtattr/RtAttr/' \
 991       -e 's/rta_len/Len/' \
 992       -e 's/rta_type/Type/' \
 993     >> ${OUT}
 994
 995 # The in_pktinfo struct.
 996 grep '^type _in_pktinfo ' gen-sysinfo.go | \
 997     sed -e 's/_in_pktinfo/Inet4Pktinfo/' \
 998       -e 's/ipi_ifindex/Ifindex/' \
 999       -e 's/ipi_spec_dst/Spec_dst/' \
1000       -e 's/ipi_addr/Addr/' \
1001       -e 's/_in_addr/[4]byte/g' \
1002     >> ${OUT}
1003
1004 # The in6_pktinfo struct.
1005 grep '^type _in6_pktinfo ' gen-sysinfo.go | \
1006     sed -e 's/_in6_pktinfo/Inet6Pktinfo/' \
1007       -e 's/ipi6_addr/Addr/' \
1008       -e 's/ipi6_ifindex/Ifindex/' \
1009       -e 's/_in6_addr/[16]byte/' \
1010     >> ${OUT}
1011
1012 # The termios struct.
1013 grep '^type _termios ' gen-sysinfo.go | \
1014     sed -e 's/_termios/Termios/' \
1015       -e 's/c_iflag/Iflag/' \
1016       -e 's/c_oflag/Oflag/' \
1017       -e 's/c_cflag/Cflag/' \
1018       -e 's/c_lflag/Lflag/' \
1019       -e 's/c_line/Line/' \
1020       -e 's/c_cc/Cc/' \
1021       -e 's/c_ispeed/Ispeed/' \
1022       -e 's/c_ospeed/Ospeed/' \
1023     >> ${OUT}
1024
1025 # The termios constants.
1026 for n in IGNBRK BRKINT IGNPAR PARMRK INPCK ISTRIP INLCR IGNCR ICRNL IUCLC \
1027     IXON IXANY IXOFF IMAXBEL IUTF8 OPOST OLCUC ONLCR OCRNL ONOCR ONLRET \
1028     OFILL OFDEL NLDLY NL0 NL1 CRDLY CR0 CR1 CR2 CR3 CS5 CS6 CS7 CS8 TABDLY \
1029     BSDLY VTDLY FFDLY CBAUD CBAUDEX CSIZE CSTOPB CREAD PARENB PARODD HUPCL \
1030     CLOCAL LOBLK CIBAUD CMSPAR CRTSCTS ISIG ICANON XCASE ECHO ECHOE ECHOK \
1031     ECHONL ECHOCTL ECHOPRT ECHOKE DEFECHO FLUSHO NOFLSH TOSTOP PENDIN IEXTEN \
1032     VINTR VQUIT VERASE VKILL VEOF VMIN VEOL VTIME VEOL2 VSWTCH VSTART VSTOP \
1033     VSUSP VDSUSP VLNEXT VWERASE VREPRINT VDISCARD VSTATUS TCSANOW TCSADRAIN \
1034     TCSAFLUSH TCIFLUSH TCOFLUSH TCIOFLUSH TCOOFF TCOON TCIOFF TCION B0 B50 \
1035     B75 B110 B134 B150 B200 B300 B600 B1200 B1800 B2400 B4800 B9600 B19200 \
1036     B38400 B57600 B115200 B230400 B460800 B500000 B576000 B921600 B1000000 \
1037     B1152000 B1500000 B2000000 B2500000 B3000000 B3500000 B4000000; do
1038
1039     grep "^const _$n " gen-sysinfo.go | \
1040         sed -e 's/^\(const \)_\([^=]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1041 done
1042
1043 # The mount flags
1044 grep '^const _MNT_' gen-sysinfo.go |
1045     sed -e 's/^\(const \)_\(MNT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1046 grep '^const _MS_' gen-sysinfo.go |
1047     sed -e 's/^\(const \)_\(MS_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1048
1049 # The fallocate flags.
1050 grep '^const _FALLOC_' gen-sysinfo.go |
1051     sed -e 's/^\(const \)_\(FALLOC_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1052
1053 # The statfs struct.
1054 # Prefer largefile variant if available.
1055 statfs=`grep '^type _statfs64 ' gen-sysinfo.go || true`
1056 if test "$statfs" != ""; then
1057   grep '^type _statfs64 ' gen-sysinfo.go
1058 else
1059   grep '^type _statfs ' gen-sysinfo.go
1060 fi | sed -e 's/type _statfs64/type Statfs_t/' \
1061          -e 's/type _statfs/type Statfs_t/' \
1062          -e 's/f_type/Type/' \
1063          -e 's/f_bsize/Bsize/' \
1064          -e 's/f_blocks/Blocks/' \
1065          -e 's/f_bfree/Bfree/' \
1066          -e 's/f_bavail/Bavail/' \
1067          -e 's/f_files/Files/' \
1068          -e 's/f_ffree/Ffree/' \
1069          -e 's/f_fsid/Fsid/' \
1070          -e 's/f_namelen/Namelen/' \
1071          -e 's/f_frsize/Frsize/' \
1072          -e 's/f_flags/Flags/' \
1073          -e 's/f_spare/Spare/' \
1074     >> ${OUT}
1075
1076 # The timex struct.
1077 timex=`grep '^type _timex ' gen-sysinfo.go || true`
1078 if test "$timex" = ""; then
1079   timex=`grep '^// type _timex ' gen-sysinfo.go || true`
1080   if test "$timex" != ""; then
1081     timex=`echo $timex | sed -e 's|// ||' -e 's/INVALID-bit-field/int32/g'`
1082   fi
1083 fi
1084 if test "$timex" != ""; then
1085   echo "$timex" | \
1086     sed -e 's/_timex/Timex/' \
1087       -e 's/modes/Modes/' \
1088       -e 's/offset/Offset/' \
1089       -e 's/freq/Freq/' \
1090       -e 's/maxerror/Maxerror/' \
1091       -e 's/esterror/Esterror/' \
1092       -e 's/status/Status/' \
1093       -e 's/constant/Constant/' \
1094       -e 's/precision/Precision/' \
1095       -e 's/tolerance/Tolerance/' \
1096       -e 's/ time / Time /' \
1097       -e 's/tick/Tick/' \
1098       -e 's/ppsfreq/Ppsfreq/' \
1099       -e 's/jitter/Jitter/' \
1100       -e 's/shift/Shift/' \
1101       -e 's/stabil/Stabil/' \
1102       -e 's/jitcnt/Jitcnt/' \
1103       -e 's/calcnt/Calcnt/' \
1104       -e 's/errcnt/Errcnt/' \
1105       -e 's/stbcnt/Stbcnt/' \
1106       -e 's/tai/Tai/' \
1107       -e 's/_timeval/Timeval/' \
1108     >> ${OUT}
1109 fi
1110
1111 # The rlimit struct.
1112 grep '^type _rlimit ' gen-sysinfo.go | \
1113     sed -e 's/_rlimit/Rlimit/' \
1114       -e 's/rlim_cur/Cur/' \
1115       -e 's/rlim_max/Max/' \
1116     >> ${OUT}
1117
1118 # The RLIMIT constants.
1119 grep '^const _RLIMIT_' gen-sysinfo.go |
1120     sed -e 's/^\(const \)_\(RLIMIT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1121 grep '^const _RLIM_' gen-sysinfo.go |
1122     sed -e 's/^\(const \)_\(RLIM_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1123
1124 # The sysinfo struct.
1125 grep '^type _sysinfo ' gen-sysinfo.go | \
1126     sed -e 's/_sysinfo/Sysinfo_t/' \
1127       -e 's/uptime/Uptime/' \
1128       -e 's/loads/Loads/' \
1129       -e 's/totalram/Totalram/' \
1130       -e 's/freeram/Freeram/' \
1131       -e 's/sharedram/Sharedram/' \
1132       -e 's/bufferram/Bufferram/' \
1133       -e 's/totalswap/Totalswap/' \
1134       -e 's/freeswap/Freeswap/' \
1135       -e 's/procs/Procs/' \
1136       -e 's/totalhigh/Totalhigh/' \
1137       -e 's/freehigh/Freehigh/' \
1138       -e 's/mem_unit/Unit/' \
1139     >> ${OUT}
1140
1141 # The ustat struct.
1142 grep '^type _ustat ' gen-sysinfo.go | \
1143     sed -e 's/_ustat/Ustat_t/' \
1144       -e 's/f_tfree/Tfree/' \
1145       -e 's/f_tinode/Tinoe/' \
1146       -e 's/f_fname/Fname/' \
1147       -e 's/f_fpack/Fpack/' \
1148     >> ${OUT}
1149 # Force it to be defined, as on some older GNU/Linux systems the
1150 # header file fails when using with <linux/filter.h>.
1151 if ! grep 'type _ustat ' gen-sysinfo.go >/dev/null 2>&1; then
1152   echo 'type Ustat_t struct { Tfree int32; Tinoe uint64; Fname [5+1]int8; Fpack [5+1]int8; }' >> ${OUT}
1153 fi
1154
1155 # The utimbuf struct.
1156 grep '^type _utimbuf ' gen-sysinfo.go | \
1157     sed -e 's/_utimbuf/Utimbuf/' \
1158       -e 's/actime/Actime/' \
1159       -e 's/modtime/Modtime/' \
1160     >> ${OUT}
1161
1162 # The LOCK flags for flock.
1163 grep '^const _LOCK_' gen-sysinfo.go |
1164     sed -e 's/^\(const \)_\(LOCK_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1165
1166 # The PRIO constants.
1167 grep '^const _PRIO_' gen-sysinfo.go | \
1168   sed -e 's/^\(const \)_\(PRIO_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1169
1170 # The GNU/Linux LINUX_REBOOT flags.
1171 grep '^const _LINUX_REBOOT_' gen-sysinfo.go |
1172     sed -e 's/^\(const \)_\(LINUX_REBOOT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1173
1174 # The GNU/Linux sock_filter struct.
1175 grep '^type _sock_filter ' gen-sysinfo.go | \
1176     sed -e 's/_sock_filter/SockFilter/' \
1177       -e 's/code/Code/' \
1178       -e 's/jt/Jt/' \
1179       -e 's/jf/Jf/' \
1180       -e 's/k /K /' \
1181     >> ${OUT}
1182
1183 # The GNU/Linux sock_fprog struct.
1184 grep '^type _sock_fprog ' gen-sysinfo.go | \
1185     sed -e 's/_sock_fprog/SockFprog/' \
1186       -e 's/len/Len/' \
1187       -e 's/filter/Filter/' \
1188       -e 's/_sock_filter/SockFilter/' \
1189     >> ${OUT}
1190
1191 # The GNU/Linux filter flags.
1192 grep '^const _BPF_' gen-sysinfo.go | \
1193   sed -e 's/^\(const \)_\(BPF_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1194
1195 # The GNU/Linux nlattr struct.
1196 grep '^type _nlattr ' gen-sysinfo.go | \
1197     sed -e 's/_nlattr/NlAttr/' \
1198       -e 's/nla_len/Len/' \
1199       -e 's/nla_type/Type/' \
1200     >> ${OUT}
1201
1202 # The GNU/Linux nlmsgerr struct.
1203 grep '^type _nlmsgerr ' gen-sysinfo.go | \
1204     sed -e 's/_nlmsgerr/NlMsgerr/' \
1205       -e 's/error/Error/' \
1206       -e 's/msg/Msg/' \
1207       -e 's/_nlmsghdr/NlMsghdr/' \
1208     >> ${OUT}
1209
1210 # The GNU/Linux rtnexthop struct.
1211 grep '^type _rtnexthop ' gen-sysinfo.go | \
1212     sed -e 's/_rtnexthop/RtNexthop/' \
1213       -e 's/rtnh_len/Len/' \
1214       -e 's/rtnh_flags/Flags/' \
1215       -e 's/rtnh_hops/Hops/' \
1216       -e 's/rtnh_ifindex/Ifindex/' \
1217     >> ${OUT}
1218
1219 # The GNU/Linux netlink flags.
1220 grep '^const _NETLINK_' gen-sysinfo.go | \
1221   sed -e 's/^\(const \)_\(NETLINK_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1222 grep '^const _NLA_' gen-sysinfo.go | grep -v '_val =' | \
1223   sed -e 's/^\(const \)_\(NLA_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1224
1225 if ! grep '^const NLA_HDRLEN' ${OUT} >/dev/null 2>&1; then
1226   if grep '^const _NLA_HDRLEN_val' ${OUT} >/dev/null 2>&1; then
1227     echo 'const NLA_HDRLEN = _NLA_HDRLEN_val' >> ${OUT}
1228   fi
1229 fi
1230
1231 # The GNU/Linux packet socket flags.
1232 grep '^const _PACKET_' gen-sysinfo.go | \
1233   sed -e 's/^\(const \)_\(PACKET_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1234
1235 # The GNU/Linux inotify_event struct.
1236 grep '^type _inotify_event ' gen-sysinfo.go | \
1237     sed -e 's/_inotify_event/InotifyEvent/' \
1238       -e 's/wd/Wd/' \
1239       -e 's/mask/Mask/' \
1240       -e 's/cookie/Cookie/' \
1241       -e 's/len/Len/' \
1242       -e 's/name/Name/' \
1243       -e 's/\[\]/[0]/' \
1244       -e 's/\[0\]byte/[0]int8/' \
1245     >> ${OUT}
1246
1247 # The GNU/Linux CLONE flags.
1248 grep '^const _CLONE_' gen-sysinfo.go | \
1249   sed -e 's/^\(const \)_\(CLONE_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1250 # We need some CLONE constants that are not defined in older versions
1251 # of glibc.
1252 if ! grep '^const CLONE_NEWUSER ' ${OUT} > /dev/null 2>&1; then
1253   echo "const CLONE_NEWUSER = 0x10000000" >> ${OUT}
1254 fi
1255 if ! grep '^const CLONE_NEWNET ' ${OUT} > /dev/null 2>&1; then
1256   echo "const CLONE_NEWNET = 0x40000000" >> ${OUT}
1257 fi
1258
1259 # Struct sizes.
1260 set cmsghdr Cmsghdr ip_mreq IPMreq ip_mreqn IPMreqn ipv6_mreq IPv6Mreq \
1261     ifaddrmsg IfAddrmsg ifinfomsg IfInfomsg in_pktinfo Inet4Pktinfo \
1262     in6_pktinfo Inet6Pktinfo inotify_event InotifyEvent linger Linger \
1263     msghdr Msghdr nlattr NlAttr nlmsgerr NlMsgerr nlmsghdr NlMsghdr \
1264     rtattr RtAttr rtgenmsg RtGenmsg rtmsg RtMsg rtnexthop RtNexthop \
1265     sock_filter SockFilter sock_fprog SockFprog ucred Ucred \
1266     icmp6_filter ICMPv6Filter ip6_mtuinfo IPv6MTUInfo
1267 while test $# != 0; do
1268     nc=$1
1269     ngo=$2
1270     shift
1271     shift
1272     if grep "^const _sizeof_$nc =" gen-sysinfo.go >/dev/null 2>&1; then
1273         echo "const Sizeof$ngo = _sizeof_$nc" >> ${OUT}
1274     fi
1275 done
1276
1277 # In order to compile the net package, we need some sizes to exist
1278 # even if the types do not.
1279 if ! grep 'const SizeofIPMreq ' ${OUT} >/dev/null 2>&1; then
1280     echo 'const SizeofIPMreq = 8' >> ${OUT}
1281 fi
1282 if ! grep 'const SizeofIPv6Mreq ' ${OUT} >/dev/null 2>&1; then
1283     echo 'const SizeofIPv6Mreq = 20' >> ${OUT}
1284 fi
1285 if ! grep 'const SizeofIPMreqn ' ${OUT} >/dev/null 2>&1; then
1286     echo 'const SizeofIPMreqn = 12' >> ${OUT}
1287 fi
1288 if ! grep 'const SizeofICMPv6Filter ' ${OUT} >/dev/null 2>&1; then
1289     echo 'const SizeofICMPv6Filter = 32' >> ${OUT}
1290 fi
1291
1292 # The Solaris 11 Update 1 _zone_net_addr_t struct.
1293 grep '^type _zone_net_addr_t ' gen-sysinfo.go | \
1294     sed -e 's/_in6_addr/[16]byte/' \
1295     >> ${OUT}
1296
1297 # The Solaris 12 _flow_arp_desc_t struct.
1298 grep '^type _flow_arp_desc_t ' gen-sysinfo.go | \
1299     sed -e 's/_in6_addr_t/[16]byte/g' \
1300     >> ${OUT}
1301
1302 # The Solaris 12 _flow_l3_desc_t struct.
1303 grep '^type _flow_l3_desc_t ' gen-sysinfo.go | \
1304     sed -e 's/_in6_addr_t/[16]byte/g' \
1305     >> ${OUT}
1306
1307 # The Solaris 12 _mac_ipaddr_t struct.
1308 grep '^type _mac_ipaddr_t ' gen-sysinfo.go | \
1309     sed -e 's/_in6_addr_t/[16]byte/g' \
1310     >> ${OUT}
1311
1312 # The Solaris 12 _mactun_info_t struct.
1313 grep '^type _mactun_info_t ' gen-sysinfo.go | \
1314     sed -e 's/_in6_addr_t/[16]byte/g' \
1315     >> ${OUT}
1316
1317 exit $?