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 '^var' | \
  33   grep -v '^type _timeval ' | \
  34   grep -v '^type _timespec_t ' | \
  35   grep -v '^type _timespec ' | \
  36   grep -v '^type _timestruc_t ' | \
  37   grep -v '^type _epoll_' | \
  38   grep -v '^type _*locale[_ ]' | \
  39   grep -v 'in6_addr' | \
  40   grep -v 'sockaddr_in6' | \
  41   sed -e 's/\([^a-zA-Z0-9_]\)_timeval\([^a-zA-Z0-9_]\)/\1Timeval\2/g' \
  42       -e 's/\([^a-zA-Z0-9_]\)_timespec_t\([^a-zA-Z0-9_]\)/\1Timespec\2/g' \
  43       -e 's/\([^a-zA-Z0-9_]\)_timespec\([^a-zA-Z0-9_]\)/\1Timespec\2/g' \
  44       -e 's/\([^a-zA-Z0-9_]\)_timestruc_t\([^a-zA-Z0-9_]\)/\1Timestruc\2/g' \
  45     >> ${OUT}
  46
  47 # On AIX, the _arpcom struct, is filtered by the above grep sequence, as it as
  48 # a field of type _in6_addr, but other types depend on _arpcom, so we need to
  49 # put it back.
  50 grep '^type _arpcom ' gen-sysinfo.go | \
  51   sed -e 's/_in6_addr/[16]byte/' >> ${OUT}
  52
  53 # Same on Solaris for _mld_hdr_t.
  54 grep '^type _mld_hdr_t ' gen-sysinfo.go | \
  55   sed -e 's/_in6_addr/[16]byte/' >> ${OUT}
  56
  57 # The errno constants.  These get type Errno.
  58   egrep '#define E[A-Z0-9_]+ ' errno.i | \
  59   sed -e 's/^#define \(E[A-Z0-9_]*\) .*$/const \1 = Errno(_\1)/' >> ${OUT}
  60
  61 # The O_xxx flags.
  62 egrep '^const _(O|F|FD)_' gen-sysinfo.go | \
  63   sed -e 's/^\(const \)_\([^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
  64 if ! grep '^const O_ASYNC' ${OUT} >/dev/null 2>&1; then
  65   echo "const O_ASYNC = 0" >> ${OUT}
  66 fi
  67 if ! grep '^const O_CLOEXEC' ${OUT} >/dev/null 2>&1; then
  68   echo "const O_CLOEXEC = 0" >> ${OUT}
  69 fi
  70
  71 # The os package requires F_DUPFD_CLOEXEC to be defined.
  72 if ! grep '^const F_DUPFD_CLOEXEC' ${OUT} >/dev/null 2>&1; then
  73   echo "const F_DUPFD_CLOEXEC = 0" >> ${OUT}
  74 fi
  75
  76 # AIX 7.1 is a 64 bits value for _FCLOEXEC (referenced by O_CLOEXEC)
  77 # which leads to a constant overflow when using O_CLOEXEC in some
  78 # go code. Issue wan not present in 6.1 (no O_CLOEXEC) and is no
  79 # more present in 7.2 (_FCLOEXEC is a 32 bit value).
  80 if test "${GOOS}" = "aix" && `oslevel | grep -q "^7.1"`; then
  81     sed -e 's/const __FCLOEXEC = .*/const __FCLOEXEC = 0/' ${OUT} > ${OUT}-2
  82     mv ${OUT}-2 ${OUT}
  83 fi
  84
  85 # These flags can be lost on i386 GNU/Linux when using
  86 # -D_FILE_OFFSET_BITS=64, because we see "#define F_SETLK F_SETLK64"
  87 # before we see the definition of F_SETLK64.
  88 for flag in F_GETLK F_SETLK F_SETLKW; do
  89   if ! grep "^const ${flag} " ${OUT} >/dev/null 2>&1 \
  90       && grep "^const ${flag}64 " ${OUT} >/dev/null 2>&1; then
  91     echo "const ${flag} = ${flag}64" >> ${OUT}
  92   fi
  93 done
  94
  95 # The Flock_t struct for fcntl.
  96 grep '^type _flock ' gen-sysinfo.go | \
  97     sed -e 's/type _flock/type Flock_t/' \
  98       -e 's/l_type/Type/' \
  99       -e 's/l_whence/Whence/' \
 100       -e 's/l_start/Start/' \
 101       -e 's/l_len/Len/' \
 102       -e 's/l_pid/Pid/' \
 103     >> ${OUT}
 104
 105 # The signal numbers.
 106 grep '^const _SIG[^_]' gen-sysinfo.go | \
 107   grep -v '^const _SIGEV_' | \
 108   sed -e 's/^\(const \)_\(SIG[^= ]*\)\(.*\)$/\1\2 = Signal(_\2)/' >> ${OUT}
 109 if ! grep '^const SIGPOLL ' ${OUT} >/dev/null 2>&1; then
 110   if grep '^const SIGIO ' ${OUT} > /dev/null 2>&1; then
 111     echo "const SIGPOLL = SIGIO" >> ${OUT}
 112   fi
 113 fi
 114 if ! grep '^const SIGCLD ' ${OUT} >/dev/null 2>&1; then
 115   if grep '^const SIGCHLD ' ${OUT} >/dev/null 2>&1; then
 116     echo "const SIGCLD = SIGCHLD" >> ${OUT}
 117   fi
 118 fi
 119
 120 # The syscall numbers.  We force the names to upper case.
 121 grep '^const _SYS_' gen-sysinfo.go | \
 122   sed -e 's/const _\(SYS_[^= ]*\).*$/\1/' | \
 123   while read sys; do
 124     sup=`echo $sys | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ`
 125     echo "const $sup = _$sys" >> ${OUT}
 126   done
 127
 128 # The GNU/Linux support wants to use SYS_GETDENTS64 if available.
 129 if ! grep '^const SYS_GETDENTS ' ${OUT} >/dev/null 2>&1; then
 130   echo "const SYS_GETDENTS = 0" >> ${OUT}
 131 fi
 132 if ! grep '^const SYS_GETDENTS64 ' ${OUT} >/dev/null 2>&1; then
 133   echo "const SYS_GETDENTS64 = 0" >> ${OUT}
 134 fi
 135
 136 # Stat constants.
 137 grep '^const _S_' gen-sysinfo.go | \
 138   sed -e 's/^\(const \)_\(S_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 139
 140 # Mmap constants.
 141 grep '^const _PROT_' gen-sysinfo.go | \
 142   sed -e 's/^\(const \)_\(PROT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 143 grep '^const _MAP_' gen-sysinfo.go | \
 144   sed -e 's/^\(const \)_\(MAP_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 145 grep '^const _MADV_' gen-sysinfo.go | \
 146   sed -e 's/^\(const \)_\(MADV_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 147 grep '^const _MCL_' gen-sysinfo.go | \
 148   sed -e 's/^\(const \)_\(MCL_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 149
 150 # Process status constants.
 151 grep '^const _W' gen-sysinfo.go |
 152   sed -e 's/^\(const \)_\(W[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 153 # WSTOPPED was introduced in glibc 2.3.4.
 154 if ! grep '^const _WSTOPPED = ' gen-sysinfo.go >/dev/null 2>&1; then
 155   if grep '^const _WUNTRACED = ' gen-sysinfo.go > /dev/null 2>&1; then
 156     echo 'const WSTOPPED = _WUNTRACED' >> ${OUT}
 157   else
 158     echo 'const WSTOPPED = 2' >> ${OUT}
 159   fi
 160 fi
 161 if grep '^const ___WALL = ' gen-sysinfo.go >/dev/null 2>&1 \
 162    && ! grep '^const _WALL = ' gen-sysinfo.go >/dev/null 2>&1; then
 163   echo 'const WALL = ___WALL' >> ${OUT}
 164 fi
 165
 166 # Networking constants.
 167 egrep '^const _(AF|ARPHRD|ETH|IN|SOCK|SOL|SO|IPPROTO|TCP|IP|IPV6)_' gen-sysinfo.go |
 168   sed -e 's/^\(const \)_\([^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 169 grep '^const _SOMAXCONN' gen-sysinfo.go |
 170   sed -e 's/^\(const \)_\(SOMAXCONN[^= ]*\)\(.*\)$/\1\2 = _\2/' \
 171     >> ${OUT}
 172 grep '^const _SHUT_' gen-sysinfo.go |
 173   sed -e 's/^\(const \)_\(SHUT[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 174
 175 # The net package requires some const definitions.
 176 for m in IP_PKTINFO IPV6_V6ONLY IPPROTO_IPV6 IPV6_JOIN_GROUP IPV6_LEAVE_GROUP IPV6_TCLASS SO_REUSEPORT; do
 177   if ! grep "^const $m " ${OUT} >/dev/null 2>&1; then
 178     echo "const $m = 0" >> ${OUT}
 179   fi
 180 done
 181 for m in SOCK_CLOEXEC SOCK_NONBLOCK; do
 182   if ! grep "^const $m " ${OUT} >/dev/null 2>&1; then
 183     echo "const $m = -1" >> ${OUT}
 184   fi
 185 done
 186
 187 # The syscall package requires AF_LOCAL.
 188 if ! grep '^const AF_LOCAL ' ${OUT} >/dev/null 2>&1; then
 189   if grep '^const AF_UNIX ' ${OUT} >/dev/null 2>&1; then
 190     echo "const AF_LOCAL = AF_UNIX" >> ${OUT}
 191   fi
 192 fi
 193
 194 # sysconf constants.
 195 grep '^const __SC' gen-sysinfo.go |
 196   sed -e 's/^\(const \)__\(SC[^= ]*\)\(.*\)$/\1\2 = __\2/' >> ${OUT}
 197
 198 # pathconf constants.
 199 grep '^const __PC' gen-sysinfo.go |
 200   sed -e 's/^\(const \)__\(PC[^= ]*\)\(.*\)$/\1\2 = __\2/' >> ${OUT}
 201
 202 # The PATH_MAX constant.
 203 if grep '^const _PATH_MAX ' gen-sysinfo.go >/dev/null 2>&1; then
 204   echo 'const PathMax = _PATH_MAX' >> ${OUT}
 205 fi
 206
 207 # epoll constants.
 208 grep '^const _EPOLL' gen-sysinfo.go |
 209   grep -v EPOLLET |
 210   sed -e 's/^\(const \)_\(EPOLL[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 211 # Make sure EPOLLET is positive.
 212 if grep '^const _EPOLLET = [0-9]' gen-sysinfo.go >/dev/null 2>&1; then
 213   grep '^const _EPOLLET ' gen-sysinfo.go |
 214     sed -e 's/^\(const \)_\(EPOLL[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 215 else
 216   echo "const EPOLLET = 0x80000000" >> ${OUT}
 217 fi
 218 # Make sure EPOLLRDHUP and EPOLL_CLOEXEC are defined.
 219 if ! grep '^const EPOLLRDHUP' ${OUT} >/dev/null 2>&1; then
 220   echo "const EPOLLRDHUP = 0x2000" >> ${OUT}
 221 fi
 222 if ! grep '^const EPOLL_CLOEXEC' ${OUT} >/dev/null 2>&1; then
 223   echo "const EPOLL_CLOEXEC = 02000000" >> ${OUT}
 224 fi
 225
 226 # Prctl constants.
 227 grep '^const _PR_' gen-sysinfo.go |
 228   sed -e 's/^\(const \)_\(PR_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 229
 230 # Ptrace constants.
 231 grep '^const _PTRACE' gen-sysinfo.go |
 232   sed -e 's/^\(const \)_\(PTRACE[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 233 # We need some ptrace options that are not defined in older versions
 234 # of glibc.
 235 if ! grep '^const PTRACE_SETOPTIONS' ${OUT} > /dev/null 2>&1; then
 236   echo "const PTRACE_SETOPTIONS = 0x4200" >> ${OUT}
 237 fi
 238 if ! grep '^const PTRACE_O_TRACESYSGOOD' ${OUT} > /dev/null 2>&1; then
 239   echo "const PTRACE_O_TRACESYSGOOD = 0x1" >> ${OUT}
 240 fi
 241 if ! grep '^const PTRACE_O_TRACEFORK' ${OUT} > /dev/null 2>&1; then
 242   echo "const PTRACE_O_TRACEFORK = 0x2" >> ${OUT}
 243 fi
 244 if ! grep '^const PTRACE_O_TRACEVFORK' ${OUT} > /dev/null 2>&1; then
 245   echo "const PTRACE_O_TRACEVFORK = 0x4" >> ${OUT}
 246 fi
 247 if ! grep '^const PTRACE_O_TRACECLONE' ${OUT} > /dev/null 2>&1; then
 248   echo "const PTRACE_O_TRACECLONE = 0x8" >> ${OUT}
 249 fi
 250 if ! grep '^const PTRACE_O_TRACEEXEC' ${OUT} > /dev/null 2>&1; then
 251   echo "const PTRACE_O_TRACEEXEC = 0x10" >> ${OUT}
 252 fi
 253 if ! grep '^const PTRACE_O_TRACEVFORKDONE' ${OUT} > /dev/null 2>&1; then
 254   echo "const PTRACE_O_TRACEVFORKDONE = 0x20" >> ${OUT}
 255 fi
 256 if ! grep '^const PTRACE_O_TRACEEXIT' ${OUT} > /dev/null 2>&1; then
 257   echo "const PTRACE_O_TRACEEXIT = 0x40" >> ${OUT}
 258 fi
 259 if ! grep '^const PTRACE_O_MASK' ${OUT} > /dev/null 2>&1; then
 260   echo "const PTRACE_O_MASK = 0x7f" >> ${OUT}
 261 fi
 262 if ! grep '^const _PTRACE_GETEVENTMSG' ${OUT} > /dev/null 2>&1; then
 263   echo "const PTRACE_GETEVENTMSG = 0x4201" >> ${OUT}
 264 fi
 265 if ! grep '^const PTRACE_EVENT_FORK' ${OUT} > /dev/null 2>&1; then
 266   echo "const PTRACE_EVENT_FORK = 1" >> ${OUT}
 267 fi
 268 if ! grep '^const PTRACE_EVENT_VFORK' ${OUT} > /dev/null 2>&1; then
 269   echo "const PTRACE_EVENT_VFORK = 2" >> ${OUT}
 270 fi
 271 if ! grep '^const PTRACE_EVENT_CLONE' ${OUT} > /dev/null 2>&1; then
 272   echo "const PTRACE_EVENT_CLONE = 3" >> ${OUT}
 273 fi
 274 if ! grep '^const PTRACE_EVENT_EXEC' ${OUT} > /dev/null 2>&1; then
 275   echo "const PTRACE_EVENT_EXEC = 4" >> ${OUT}
 276 fi
 277 if ! grep '^const PTRACE_EVENT_VFORK_DONE' ${OUT} > /dev/null 2>&1; then
 278   echo "const PTRACE_EVENT_VFORK_DONE = 5" >> ${OUT}
 279 fi
 280 if ! grep '^const PTRACE_EVENT_EXIT' ${OUT} > /dev/null 2>&1; then
 281   echo "const PTRACE_EVENT_EXIT = 6" >> ${OUT}
 282 fi
 283 if ! grep '^const _PTRACE_TRACEME' ${OUT} > /dev/null 2>&1; then
 284   echo "const _PTRACE_TRACEME = 0" >> ${OUT}
 285 fi
 286
 287 # A helper function that prints a structure from gen-sysinfo.go with the first
 288 # letter of the field names in upper case.  $1 is the name of structure.  If $2
 289 # is not empty, the structure or type is renamed to $2.
 290 upcase_fields () {
 291   name="$1"
 292   def=`grep "^type $name " gen-sysinfo.go`
 293   fields=`echo $def | sed -e 's/^[^{]*{\(.*\)}$/\1/'`
 294   prefix=`echo $def | sed -e 's/{.*//'`
 295   if test "$2" != ""; then
 296     prefix=`echo $prefix | sed -e "s/$1/$2/"`
 297   fi
 298   if test "$fields" != ""; then
 299     nfields=
 300     while test -n "$fields"; do
 301       field=`echo $fields | sed -e 's/^\([^;]*\);.*$/\1/'`
 302       fields=`echo $fields | sed -e 's/^[^;]*; *\(.*\)$/\1/'`
 303       # capitalize the next character.
 304       f=`echo $field | sed -e 's/^\(.\).*$/\1/'`
 305       r=`echo $field | sed -e 's/^.\(.*\)$/\1/'`
 306       f=`echo $f | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ`
 307       field="$f$r"
 308       nfields="$nfields $field;"
 309     done
 310     echo "${prefix} {$nfields }"
 311   fi
 312 }
 313
 314 # The registers returned by PTRACE_GETREGS.  This is probably
 315 # GNU/Linux specific; it should do no harm if there is no
 316 # _user_regs_struct.
 317 regs=`grep '^type _user_regs_struct struct' gen-sysinfo.go || true`
 318 if test "$regs" = ""; then
 319   # mips*
 320   regs=`grep '^type _pt_regs struct' gen-sysinfo.go || true`
 321 fi
 322 if test "$regs" != ""; then
 323   regs=`echo $regs | sed -e 's/type _pt_regs struct//'`
 324   regs=`echo $regs |
 325     sed -e 's/type __*user_regs_struct struct //' -e 's/[{}]//g'`
 326   regs=`echo $regs | sed -e s'/^ *//'`
 327   nregs=
 328   while test -n "$regs"; do
 329     field=`echo $regs | sed -e 's/^\([^;]*\);.*$/\1/'`
 330     regs=`echo $regs | sed -e 's/^[^;]*; *\(.*\)$/\1/'`
 331     # Capitalize the first character of the field.
 332     f=`echo $field | sed -e 's/^\(.\).*$/\1/'`
 333     r=`echo $field | sed -e 's/^.\(.*\)$/\1/'`
 334     f=`echo $f | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ`
 335     field="$f$r"
 336     field=`echo "$field" | sed \
 337       -e 's/__user_psw_struct/PtracePsw/' \
 338       -e 's/__user_fpregs_struct/PtraceFpregs/' \
 339       -e 's/__user_per_struct/PtracePer/'`
 340     nregs="$nregs $field;"
 341   done
 342   echo "type PtraceRegs struct {$nregs }" >> ${OUT}
 343 fi
 344
 345 # Some basic types.
 346 echo 'type Size_t _size_t' >> ${OUT}
 347 echo "type Ssize_t _ssize_t" >> ${OUT}
 348 if grep '^const _HAVE_OFF64_T = ' gen-sysinfo.go > /dev/null 2>&1; then
 349   echo "type Offset_t _off64_t" >> ${OUT}
 350 else
 351   echo "type Offset_t _off_t" >> ${OUT}
 352 fi
 353 echo "type Mode_t _mode_t" >> ${OUT}
 354 echo "type Pid_t _pid_t" >> ${OUT}
 355 echo "type Uid_t _uid_t" >> ${OUT}
 356 echo "type Gid_t _gid_t" >> ${OUT}
 357 echo "type Socklen_t _socklen_t" >> ${OUT}
 358
 359 # The C int type.
 360 sizeof_int=`grep '^const ___SIZEOF_INT__ = ' gen-sysinfo.go | sed -e 's/.*= //'`
 361 if test "$sizeof_int" = "4"; then
 362   echo "type _C_int int32" >> ${OUT}
 363   echo "type _C_uint uint32" >> ${OUT}
 364 elif test "$sizeof_int" = "8"; then
 365   echo "type _C_int int64" >> ${OUT}
 366   echo "type _C_uint uint64" >> ${OUT}
 367 else
 368   echo 1>&2 "mksysinfo.sh: could not determine size of int (got $sizeof_int)"
 369   exit 1
 370 fi
 371
 372 # The C long type, needed because that is the type that ptrace returns.
 373 sizeof_long=`grep '^const ___SIZEOF_LONG__ = ' gen-sysinfo.go | sed -e 's/.*= //'`
 374 if test "$sizeof_long" = "4"; then
 375   echo "type _C_long int32" >> ${OUT}
 376   echo "type _C_ulong uint32" >> ${OUT}
 377 elif test "$sizeof_long" = "8"; then
 378   echo "type _C_long int64" >> ${OUT}
 379   echo "type _C_ulong uint64" >> ${OUT}
 380 else
 381   echo 1>&2 "mksysinfo.sh: could not determine size of long (got $sizeof_long)"
 382   exit 1
 383 fi
 384
 385 # Solaris 2 needs _u?pad128_t, but its default definition in terms of long
 386 # double is commented by -fdump-go-spec.
 387 if grep "^// type _pad128_t" gen-sysinfo.go > /dev/null 2>&1; then
 388   echo "type _pad128_t struct { _l [4]int32; }" >> ${OUT}
 389 fi
 390 if grep "^// type _upad128_t" gen-sysinfo.go > /dev/null 2>&1; then
 391   echo "type _upad128_t struct { _l [4]uint32; }" >> ${OUT}
 392 fi
 393
 394 # The time_t type.
 395 if grep '^type _time_t ' gen-sysinfo.go > /dev/null 2>&1; then
 396   echo 'type Time_t _time_t' >> ${OUT}
 397 fi
 398
 399 # The time structures need special handling: we need to name the
 400 # types, so that we can cast integers to the right types when
 401 # assigning to the structures.
 402 timeval=`grep '^type _timeval ' gen-sysinfo.go`
 403 timeval_sec=`echo $timeval | sed -n -e 's/^.*tv_sec \([^ ]*\);.*$/\1/p'`
 404 timeval_usec=`echo $timeval | sed -n -e 's/^.*tv_usec \([^ ]*\);.*$/\1/p'`
 405 echo "type Timeval_sec_t $timeval_sec" >> ${OUT}
 406 echo "type Timeval_usec_t $timeval_usec" >> ${OUT}
 407 echo $timeval | \
 408   sed -e 's/type _timeval /type Timeval /' \
 409       -e 's/tv_sec *[a-zA-Z0-9_]*/Sec Timeval_sec_t/' \
 410       -e 's/tv_usec *[a-zA-Z0-9_]*/Usec Timeval_usec_t/' >> ${OUT}
 411 timespec=`grep '^type _timespec ' gen-sysinfo.go || true`
 412 if test "$timespec" = ""; then
 413   # IRIX 6.5 has __timespec instead.
 414   timespec=`grep '^type ___timespec ' gen-sysinfo.go || true`
 415 fi
 416 timespec_sec=`echo $timespec | sed -n -e 's/^.*tv_sec \([^ ]*\);.*$/\1/p'`
 417 timespec_nsec=`echo $timespec | sed -n -e 's/^.*tv_nsec \([^ ]*\);.*$/\1/p'`
 418 echo "type Timespec_sec_t $timespec_sec" >> ${OUT}
 419 echo "type Timespec_nsec_t $timespec_nsec" >> ${OUT}
 420 echo $timespec | \
 421   sed -e 's/^type ___timespec /type Timespec /' \
 422       -e 's/^type _timespec /type Timespec /' \
 423       -e 's/tv_sec *[a-zA-Z0-9_]*/Sec Timespec_sec_t/' \
 424       -e 's/tv_nsec *[a-zA-Z0-9_]*/Nsec Timespec_nsec_t/' >> ${OUT}
 425
 426 timestruc=`grep '^type _timestruc_t ' gen-sysinfo.go || true`
 427 if test "$timestruc" != ""; then
 428   timestruc_sec=`echo $timestruc | sed -n -e 's/^.*tv_sec \([^ ]*\);.*$/\1/p'`
 429   timestruc_nsec=`echo $timestruc | sed -n -e 's/^.*tv_nsec \([^ ]*\);.*$/\1/p'`
 430   echo "type Timestruc_sec_t $timestruc_sec" >> ${OUT}
 431   echo "type Timestruc_nsec_t $timestruc_nsec" >> ${OUT}
 432   echo $timestruc | \
 433     sed -e 's/^type _timestruc_t /type Timestruc /' \
 434         -e 's/tv_sec *[a-zA-Z0-9_]*/Sec Timestruc_sec_t/' \
 435         -e 's/tv_nsec *[a-zA-Z0-9_]*/Nsec Timestruc_nsec_t/' >> ${OUT}
 436 fi
 437
 438 # The tms struct.
 439 grep '^type _tms ' gen-sysinfo.go | \
 440     sed -e 's/type _tms/type Tms/' \
 441       -e 's/tms_utime/Utime/' \
 442       -e 's/tms_stime/Stime/' \
 443       -e 's/tms_cutime/Cutime/' \
 444       -e 's/tms_cstime/Cstime/' \
 445     >> ${OUT}
 446
 447 # AIX uses st_timespec struct for stat.
 448 grep '^type _st_timespec ' gen-sysinfo.go | \
 449     sed -e 's/type _st_timespec /type StTimespec /' \
 450       -e 's/tv_sec/Sec/' \
 451       -e 's/tv_nsec/Nsec/' >> ${OUT}
 452
 453 # The stat type.
 454 # Prefer largefile variant if available.
 455 stat=`grep '^type _stat64 ' gen-sysinfo.go || true`
 456 if test "$stat" != ""; then
 457   grep '^type _stat64 ' gen-sysinfo.go
 458 else
 459   grep '^type _stat ' gen-sysinfo.go
 460 fi | sed -e 's/type _stat64/type Stat_t/' \
 461          -e 's/type _stat/type Stat_t/' \
 462          -e 's/st_dev/Dev/' \
 463          -e 's/st_ino/Ino/g' \
 464          -e 's/st_nlink/Nlink/' \
 465          -e 's/st_mode/Mode/' \
 466          -e 's/st_uid/Uid/' \
 467          -e 's/st_gid/Gid/' \
 468          -e 's/st_rdev/Rdev/' \
 469          -e 's/st_size/Size/' \
 470          -e 's/st_blksize/Blksize/' \
 471          -e 's/st_blocks/Blocks/' \
 472          -e 's/st_atim/Atim/' \
 473          -e 's/st_mtim/Mtim/' \
 474          -e 's/st_ctim/Ctim/' \
 475          -e 's/\([^a-zA-Z0-9_]\)_timeval\([^a-zA-Z0-9_]\)/\1Timeval\2/g' \
 476          -e 's/\([^a-zA-Z0-9_]\)_timespec_t\([^a-zA-Z0-9_]\)/\1Timespec\2/g' \
 477          -e 's/\([^a-zA-Z0-9_]\)_st_timespec_t\([^a-zA-Z0-9_]\)/\1StTimespec\2/g' \
 478          -e 's/\([^a-zA-Z0-9_]\)_timespec\([^a-zA-Z0-9_]\)/\1Timespec\2/g' \
 479          -e 's/\([^a-zA-Z0-9_]\)_timestruc_t\([^a-zA-Z0-9_]\)/\1Timestruc\2/g' \
 480          -e 's/Godump_[0-9] struct { \([^;]*;\) };/\1/g' \
 481        >> ${OUT}
 482
 483 # The directory searching types.
 484 # Prefer largefile variant if available.
 485 dirent=`grep '^type _dirent64 ' gen-sysinfo.go || true`
 486 if test "$dirent" != ""; then
 487   grep '^type _dirent64 ' gen-sysinfo.go
 488 else
 489   grep '^type _dirent ' gen-sysinfo.go
 490 fi | sed -e 's/type _dirent64/type Dirent/' \
 491          -e 's/type _dirent/type Dirent/' \
 492          -e 's/d_name \[0+1\]/d_name [0+256]/' \
 493          -e 's/d_name/Name/' \
 494          -e 's/]int8/]byte/' \
 495          -e 's/d_ino/Ino/' \
 496          -e 's/d_namlen/Namlen/' \
 497          -e 's/d_off/Off/' \
 498          -e 's/d_reclen/Reclen/' \
 499          -e 's/d_type/Type/' \
 500       >> ${OUT}
 501 echo "type DIR _DIR" >> ${OUT}
 502
 503 # Values for d_type field in dirent.
 504 grep '^const _DT_' gen-sysinfo.go |
 505   sed -e 's/^\(const \)_\(DT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 506
 507 # The rusage struct.
 508 rusage=`grep '^type _rusage struct' gen-sysinfo.go`
 509 if test "$rusage" != ""; then
 510   # Remove anonymous unions from GNU/Linux <bits/resource.h>.
 511   rusage=`echo $rusage | sed -e 's/Godump_[0-9][0-9]* struct {\([^}]*\)};/\1/g'`
 512   rusage=`echo $rusage | sed -e 's/type _rusage struct //' -e 's/[{}]//g'`
 513   rusage=`echo $rusage | sed -e 's/^ *//'`
 514   nrusage=
 515   while test -n "$rusage"; do
 516     field=`echo $rusage | sed -e 's/^\([^;]*\);.*$/\1/'`
 517     rusage=`echo $rusage | sed -e 's/^[^;]*; *\(.*\)$/\1/'`
 518     # Drop the leading ru_, capitalize the next character.
 519     field=`echo $field | sed -e 's/^ru_//'`
 520     f=`echo $field | sed -e 's/^\(.\).*$/\1/'`
 521     r=`echo $field | sed -e 's/^.\(.*\)$/\1/'`
 522     f=`echo $f | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ`
 523     # Fix _timeval _timespec, and _timestruc_t.
 524     r=`echo $r | sed -e s'/ _timeval$/ Timeval/'`
 525     r=`echo $r | sed -e s'/ _timespec$/ Timespec/'`
 526     r=`echo $r | sed -e s'/ _timestruc_t$/ Timestruc/'`
 527     field="$f$r"
 528     nrusage="$nrusage $field;"
 529   done
 530   echo "type Rusage struct {$nrusage }" >> ${OUT}
 531 else
 532   echo "type Rusage struct {}" >> ${OUT}
 533 fi
 534
 535 # The RUSAGE constants.
 536 grep '^const _RUSAGE_' gen-sysinfo.go | \
 537   sed -e 's/^\(const \)_\(RUSAGE_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 538
 539 # The utsname struct.
 540 grep '^type _utsname ' gen-sysinfo.go | \
 541     sed -e 's/_utsname/Utsname/' \
 542       -e 's/sysname/Sysname/' \
 543       -e 's/nodename/Nodename/' \
 544       -e 's/release/Release/' \
 545       -e 's/version/Version/' \
 546       -e 's/machine/Machine/' \
 547       -e 's/domainname/Domainname/' \
 548     >> ${OUT}
 549
 550 # The iovec struct.
 551 iovec=`grep '^type _iovec ' gen-sysinfo.go`
 552 iovec_len=`echo $iovec | sed -n -e 's/^.*iov_len \([^ ]*\);.*$/\1/p'`
 553 echo "type Iovec_len_t $iovec_len" >> ${OUT}
 554 echo $iovec | \
 555     sed -e 's/_iovec/Iovec/' \
 556       -e 's/iov_base/Base/' \
 557       -e 's/iov_len *[a-zA-Z0-9_]*/Len Iovec_len_t/' \
 558     >> ${OUT}
 559
 560 # The msghdr struct.
 561 msghdr=`grep '^type _msghdr ' gen-sysinfo.go`
 562 msghdr_controllen=`echo $msghdr | sed -n -e 's/^.*msg_controllen \([^ ]*\);.*$/\1/p'`
 563 echo "type Msghdr_controllen_t $msghdr_controllen" >> ${OUT}
 564 echo $msghdr | \
 565     sed -e 's/_msghdr/Msghdr/' \
 566       -e 's/msg_name/Name/' \
 567       -e 's/msg_namelen/Namelen/' \
 568       -e 's/msg_iov/Iov/' \
 569       -e 's/msg_iovlen/Iovlen/' \
 570       -e 's/_iovec/Iovec/' \
 571       -e 's/msg_control/Control/' \
 572       -e 's/msg_controllen *[a-zA-Z0-9_]*/Controllen Msghdr_controllen_t/' \
 573       -e 's/msg_flags/Flags/' \
 574     >> ${OUT}
 575
 576 # The MSG_ flags for Msghdr.
 577 grep '^const _MSG_' gen-sysinfo.go | \
 578   sed -e 's/^\(const \)_\(MSG_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 579
 580 # The cmsghdr struct.
 581 cmsghdr=`grep '^type _cmsghdr ' gen-sysinfo.go`
 582 if test -n "$cmsghdr"; then
 583   cmsghdr_len=`echo $cmsghdr | sed -n -e 's/^.*cmsg_len \([^ ]*\);.*$/\1/p'`
 584   echo "type Cmsghdr_len_t $cmsghdr_len" >> ${OUT}
 585   echo "$cmsghdr" | \
 586       sed -e 's/_cmsghdr/Cmsghdr/' \
 587         -e 's/cmsg_len *[a-zA-Z0-9_]*/Len Cmsghdr_len_t/' \
 588         -e 's/cmsg_level/Level/' \
 589         -e 's/cmsg_type/Type/' \
 590         -e 's/\[\]/[0]/' \
 591       >> ${OUT}
 592 fi
 593
 594 # The SCM_ flags for Cmsghdr.
 595 grep '^const _SCM_' gen-sysinfo.go | \
 596   sed -e 's/^\(const \)_\(SCM_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 597
 598 # The ucred struct.
 599 upcase_fields "_ucred" "Ucred" >> ${OUT} || true
 600
 601 # The ip_mreq struct.
 602 grep '^type _ip_mreq ' gen-sysinfo.go | \
 603     sed -e 's/_ip_mreq/IPMreq/' \
 604       -e 's/imr_multiaddr/Multiaddr/' \
 605       -e 's/imr_interface/Interface/' \
 606       -e 's/_in_addr/[4]byte/g' \
 607     >> ${OUT}
 608
 609 # We need IPMreq to compile the net package.
 610 if ! grep 'type IPMreq ' ${OUT} >/dev/null 2>&1; then
 611   echo 'type IPMreq struct { Multiaddr [4]byte; Interface [4]byte; }' >> ${OUT}
 612 fi
 613
 614 # The ipv6_mreq struct.
 615 grep '^type _ipv6_mreq ' gen-sysinfo.go | \
 616     sed -e 's/_ipv6_mreq/IPv6Mreq/' \
 617       -e 's/ipv6mr_multiaddr/Multiaddr/' \
 618       -e 's/ipv6mr_interface/Interface/' \
 619       -e 's/_in6_addr/[16]byte/' \
 620     >> ${OUT}
 621
 622 # We need IPv6Mreq to compile the net package.
 623 if ! grep 'type IPv6Mreq ' ${OUT} >/dev/null 2>&1; then
 624   echo 'type IPv6Mreq struct { Multiaddr [16]byte; Interface uint32; }' >> ${OUT}
 625 fi
 626
 627 # The ip_mreqn struct.
 628 grep '^type _ip_mreqn ' gen-sysinfo.go | \
 629     sed -e 's/_ip_mreqn/IPMreqn/' \
 630       -e 's/imr_multiaddr/Multiaddr/' \
 631       -e 's/imr_address/Address/' \
 632       -e 's/imr_ifindex/Ifindex/' \
 633       -e 's/_in_addr/[4]byte/g' \
 634     >> ${OUT}
 635
 636 # We need IPMreq to compile the net package.
 637 if ! grep 'type IPMreqn ' ${OUT} >/dev/null 2>&1; then
 638   echo 'type IPMreqn struct { Multiaddr [4]byte; Interface [4]byte; Ifindex int32 }' >> ${OUT}
 639 fi
 640
 641 # The icmp6_filter struct.
 642 grep '^type _icmp6_filter ' gen-sysinfo.go | \
 643     sed -e 's/_icmp6_filter/ICMPv6Filter/' \
 644       -e 's/data/Data/' \
 645       -e 's/filt/Filt/' \
 646     >> ${OUT}
 647
 648 # We need ICMPv6Filter to compile the syscall package.
 649 if ! grep 'type ICMPv6Filter ' ${OUT} > /dev/null 2>&1; then
 650   echo 'type ICMPv6Filter struct { Data [8]uint32 }' >> ${OUT}
 651 fi
 652
 653 # The ip6_mtuinfo struct.
 654 grep '^type _ip6_mtuinfo ' gen-sysinfo.go | \
 655     sed -e 's/_ip6_mtuinfo/IPv6MTUInfo/' \
 656       -e 's/ip6m_addr/Addr/' \
 657       -e 's/_sockaddr_in6/RawSockaddrInet6/' \
 658       -e 's/ip6m_mtu/Mtu/' \
 659     >> ${OUT}
 660
 661 # Try to guess the type to use for fd_set.
 662 fd_set=`grep '^type _fd_set ' gen-sysinfo.go || true`
 663 fds_bits_type="_C_long"
 664 if test "$fd_set" != ""; then
 665     fds_bits_type=`echo $fd_set | sed -e 's/.*[]]\([^;]*\); }$/\1/'`
 666 fi
 667 echo "type fds_bits_type $fds_bits_type" >> ${OUT}
 668
 669 # The addrinfo struct.
 670 grep '^type _addrinfo ' gen-sysinfo.go | \
 671     sed -e 's/_addrinfo/Addrinfo/g' \
 672       -e 's/ ai_/ Ai_/g' \
 673     >> ${OUT}
 674
 675 # The addrinfo and nameinfo flags and errors.
 676 grep '^const _AI_' gen-sysinfo.go | \
 677   sed -e 's/^\(const \)_\(AI_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 678 grep '^const _EAI_' gen-sysinfo.go | \
 679   sed -e 's/^\(const \)_\(EAI_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 680 grep '^const _NI_' gen-sysinfo.go | \
 681   sed -e 's/^\(const \)_\(NI_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 682
 683 # If nothing else defined EAI_OVERFLOW, make sure it has a value.
 684 if ! grep "const EAI_OVERFLOW " ${OUT} >/dev/null 2>&1; then
 685   echo "const EAI_OVERFLOW = 0" >> ${OUT}
 686 fi
 687
 688 # The passwd struct.
 689 # Force uid and gid from int32 to uint32 for consistency; they are
 690 # int32 on Solaris 10 but uint32 everywhere else including Solaris 11.
 691 grep '^type _passwd ' gen-sysinfo.go | \
 692     sed -e 's/_passwd/Passwd/' \
 693       -e 's/ pw_/ Pw_/g' \
 694       -e 's/ Pw_uid int32/ Pw_uid uint32/' \
 695       -e 's/ Pw_gid int32/ Pw_gid uint32/' \
 696     >> ${OUT}
 697
 698 # The group struct.
 699 grep '^type _group ' gen-sysinfo.go | \
 700     sed -e 's/_group/Group/' \
 701       -e 's/ gr_/ Gr_/g' \
 702     >> ${OUT}
 703
 704 # The ioctl flags for the controlling TTY.
 705 grep '^const _TIOC' gen-sysinfo.go | \
 706     grep -v '_val =' | \
 707     sed -e 's/^\(const \)_\(TIOC[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 708 grep '^const _TUNSET' gen-sysinfo.go | \
 709     grep -v '_val =' | \
 710     sed -e 's/^\(const \)_\(TUNSET[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 711 # We need TIOCGWINSZ.
 712 if ! grep '^const TIOCGWINSZ' ${OUT} >/dev/null 2>&1; then
 713   if grep '^const _TIOCGWINSZ_val' ${OUT} >/dev/null 2>&1; then
 714     echo 'const TIOCGWINSZ = _TIOCGWINSZ_val' >> ${OUT}
 715   fi
 716 fi
 717 if ! grep '^const TIOCSWINSZ' ${OUT} >/dev/null 2>&1; then
 718   if grep '^const _TIOCSWINSZ_val' ${OUT} >/dev/null 2>&1; then
 719     echo 'const TIOCSWINSZ = _TIOCSWINSZ_val' >> ${OUT}
 720   fi
 721 fi
 722 if ! grep '^const TIOCNOTTY' ${OUT} >/dev/null 2>&1; then
 723   if grep '^const _TIOCNOTTY_val' ${OUT} >/dev/null 2>&1; then
 724     echo 'const TIOCNOTTY = _TIOCNOTTY_val' >> ${OUT}
 725   fi
 726 fi
 727 if ! grep '^const TIOCSCTTY' ${OUT} >/dev/null 2>&1; then
 728   if grep '^const _TIOCSCTTY_val' ${OUT} >/dev/null 2>&1; then
 729     echo 'const TIOCSCTTY = _TIOCSCTTY_val' >> ${OUT}
 730   fi
 731 fi
 732 if ! grep '^const TIOCGPGRP' ${OUT} >/dev/null 2>&1; then
 733   if grep '^const _TIOCGPGRP_val' ${OUT} >/dev/null 2>&1; then
 734     echo 'const TIOCGPGRP = _TIOCGPGRP_val' >> ${OUT}
 735   fi
 736 fi
 737 if ! grep '^const TIOCSPGRP' ${OUT} >/dev/null 2>&1; then
 738   if grep '^const _TIOCSPGRP_val' ${OUT} >/dev/null 2>&1; then
 739     echo 'const TIOCSPGRP = _TIOCSPGRP_val' >> ${OUT}
 740   fi
 741 fi
 742 if ! grep '^const TIOCGPTN' ${OUT} >/dev/null 2>&1; then
 743   if grep '^const _TIOCGPTN_val' ${OUT} >/dev/null 2>&1; then
 744     echo 'const TIOCGPTN = _TIOCGPTN_val' >> ${OUT}
 745   fi
 746 fi
 747 if ! grep '^const TIOCSPTLCK' ${OUT} >/dev/null 2>&1; then
 748   if grep '^const _TIOCSPTLCK_val' ${OUT} >/dev/null 2>&1; then
 749     echo 'const TIOCSPTLCK = _TIOCSPTLCK_val' >> ${OUT}
 750   fi
 751 fi
 752 if ! grep '^const TIOCGDEV' ${OUT} >/dev/null 2>&1; then
 753   if grep '^const _TIOCGDEV_val' ${OUT} >/dev/null 2>&1; then
 754     echo 'const TIOCGDEV = _TIOCGDEV_val' >> ${OUT}
 755   fi
 756 fi
 757 if ! grep '^const TIOCSIG' ${OUT} >/dev/null 2>&1; then
 758   if grep '^const _TIOCSIG_val' ${OUT} >/dev/null 2>&1; then
 759     echo 'const TIOCSIG = _TIOCSIG_val' >> ${OUT}
 760   fi
 761 fi
 762
 763 if ! grep '^const TUNSETNOCSUM' ${OUT} >/dev/null 2>&1; then
 764   if grep '^const _TUNSETNOCSUM_val' ${OUT} >/dev/null 2>&1; then
 765     echo 'const TUNSETNOCSUM = _TUNSETNOCSUM_val' >> ${OUT}
 766   fi
 767 fi
 768
 769 if ! grep '^const TUNSETDEBUG' ${OUT} >/dev/null 2>&1; then
 770   if grep '^const _TUNSETDEBUG_val' ${OUT} >/dev/null 2>&1; then
 771     echo 'const TUNSETDEBUG = _TUNSETDEBUG_val' >> ${OUT}
 772   fi
 773 fi
 774
 775 if ! grep '^const TUNSETIFF' ${OUT} >/dev/null 2>&1; then
 776   if grep '^const _TUNSETIFF_val' ${OUT} >/dev/null 2>&1; then
 777     echo 'const TUNSETIFF = _TUNSETIFF_val' >> ${OUT}
 778   fi
 779 fi
 780
 781 if ! grep '^const TUNSETPERSIST' ${OUT} >/dev/null 2>&1; then
 782   if grep '^const _TUNSETPERSIST_val' ${OUT} >/dev/null 2>&1; then
 783     echo 'const TUNSETPERSIST = _TUNSETPERSIST_val' >> ${OUT}
 784   fi
 785 fi
 786
 787 if ! grep '^const TUNSETOWNER' ${OUT} >/dev/null 2>&1; then
 788   if grep '^const _TUNSETOWNER_val' ${OUT} >/dev/null 2>&1; then
 789     echo 'const TUNSETOWNER = _TUNSETOWNER_val' >> ${OUT}
 790   fi
 791 fi
 792
 793 if ! grep '^const TUNSETLINK' ${OUT} >/dev/null 2>&1; then
 794   if grep '^const _TUNSETLINK_val' ${OUT} >/dev/null 2>&1; then
 795     echo 'const TUNSETLINK = _TUNSETLINK_val' >> ${OUT}
 796   fi
 797 fi
 798
 799 if ! grep '^const TUNSETGROUP' ${OUT} >/dev/null 2>&1; then
 800   if grep '^const _TUNSETGROUP_val' ${OUT} >/dev/null 2>&1; then
 801     echo 'const TUNSETGROUP = _TUNSETGROUP_val' >> ${OUT}
 802   fi
 803 fi
 804
 805 if ! grep '^const TUNGETFEATURES' ${OUT} >/dev/null 2>&1; then
 806   if grep '^const _TUNGETFEATURES_val' ${OUT} >/dev/null 2>&1; then
 807     echo 'const TUNGETFEATURES = _TUNGETFEATURES_val' >> ${OUT}
 808   fi
 809 fi
 810
 811 if ! grep '^const TUNSETOFFLOAD' ${OUT} >/dev/null 2>&1; then
 812   if grep '^const _TUNSETOFFLOAD_val' ${OUT} >/dev/null 2>&1; then
 813     echo 'const TUNSETOFFLOAD = _TUNSETOFFLOAD_val' >> ${OUT}
 814   fi
 815 fi
 816
 817 if ! grep '^const TUNSETTXFILTER' ${OUT} >/dev/null 2>&1; then
 818   if grep '^const _TUNSETTXFILTER_val' ${OUT} >/dev/null 2>&1; then
 819     echo 'const TUNSETTXFILTER = _TUNSETTXFILTER_val' >> ${OUT}
 820   fi
 821 fi
 822
 823 if ! grep '^const TUNGETIFF' ${OUT} >/dev/null 2>&1; then
 824   if grep '^const _TUNGETIFF_val' ${OUT} >/dev/null 2>&1; then
 825     echo 'const TUNGETIFF = _TUNGETIFF_val' >> ${OUT}
 826   fi
 827 fi
 828
 829 if ! grep '^const TUNGETSNDBUF' ${OUT} >/dev/null 2>&1; then
 830   if grep '^const _TUNGETSNDBUF_val' ${OUT} >/dev/null 2>&1; then
 831     echo 'const TUNGETSNDBUF = _TUNGETSNDBUF_val' >> ${OUT}
 832   fi
 833 fi
 834
 835 if ! grep '^const TUNSETSNDBUF' ${OUT} >/dev/null 2>&1; then
 836   if grep '^const _TUNSETSNDBUF_val' ${OUT} >/dev/null 2>&1; then
 837     echo 'const TUNSETSNDBUF = _TUNSETSNDBUF_val' >> ${OUT}
 838   fi
 839 fi
 840
 841 if ! grep '^const TUNATTACHFILTER' ${OUT} >/dev/null 2>&1; then
 842   if grep '^const _TUNATTACHFILTER_val' ${OUT} >/dev/null 2>&1; then
 843     echo 'const TUNATTACHFILTER = _TUNATTACHFILTER_val' >> ${OUT}
 844   fi
 845 fi
 846
 847 if ! grep '^const TUNDETACHFILTER' ${OUT} >/dev/null 2>&1; then
 848   if grep '^const _TUNDETACHFILTER_val' ${OUT} >/dev/null 2>&1; then
 849     echo 'const TUNDETACHFILTER = _TUNDETACHFILTER_val' >> ${OUT}
 850   fi
 851 fi
 852
 853 if ! grep '^const TUNGETVNETHDRSZ' ${OUT} >/dev/null 2>&1; then
 854   if grep '^const _TUNGETVNETHDRSZ_val' ${OUT} >/dev/null 2>&1; then
 855     echo 'const TUNGETVNETHDRSZ = _TUNGETVNETHDRSZ_val' >> ${OUT}
 856   fi
 857 fi
 858
 859 if ! grep '^const TUNSETVNETHDRSZ' ${OUT} >/dev/null 2>&1; then
 860   if grep '^const _TUNSETVNETHDRSZ_val' ${OUT} >/dev/null 2>&1; then
 861     echo 'const TUNSETVNETHDRSZ = _TUNSETVNETHDRSZ_val' >> ${OUT}
 862   fi
 863 fi
 864
 865 if ! grep '^const TUNSETQUEUE' ${OUT} >/dev/null 2>&1; then
 866   if grep '^const _TUNSETQUEUE_val' ${OUT} >/dev/null 2>&1; then
 867     echo 'const TUNSETQUEUE = _TUNSETQUEUE_val' >> ${OUT}
 868   fi
 869 fi
 870
 871
 872 if ! grep '^const TUNSETIFINDEX' ${OUT} >/dev/null 2>&1; then
 873   if grep '^const _TUNSETIFINDEX_val' ${OUT} >/dev/null 2>&1; then
 874     echo 'const TUNSETIFINDEX = _TUNSETIFINDEX_val' >> ${OUT}
 875   fi
 876 fi
 877
 878 if ! grep '^const TUNGETFILTER' ${OUT} >/dev/null 2>&1; then
 879   if grep '^const _TUNGETFILTER_val' ${OUT} >/dev/null 2>&1; then
 880     echo 'const TUNGETFILTER = _TUNGETFILTER_val' >> ${OUT}
 881   fi
 882 fi
 883
 884 # The ioctl flags for terminal control
 885 grep '^const _TC[GS]ET' gen-sysinfo.go | grep -v _val | \
 886     sed -e 's/^\(const \)_\(TC[GS]ET[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 887 if ! grep '^const TCGETS' ${OUT} >/dev/null 2>&1; then
 888   if grep '^const _TCGETS_val' ${OUT} >/dev/null 2>&1; then
 889     echo 'const TCGETS = _TCGETS_val' >> ${OUT}
 890   fi
 891 fi
 892 if ! grep '^const TCSETS' ${OUT} >/dev/null 2>&1; then
 893   if grep '^const _TCSETS_val' ${OUT} >/dev/null 2>&1; then
 894     echo 'const TCSETS = _TCSETS_val' >> ${OUT}
 895   fi
 896 fi
 897
 898 # ioctl constants.  Might fall back to 0 if TIOCNXCL is missing, too, but
 899 # needs handling in syscalls.exec.go.
 900 if ! grep '^const _TIOCSCTTY ' gen-sysinfo.go >/dev/null 2>&1; then
 901   if grep '^const _TIOCNXCL ' gen-sysinfo.go >/dev/null 2>&1; then
 902     echo "const TIOCSCTTY = TIOCNXCL" >> ${OUT}
 903   fi
 904 fi
 905
 906 # If nothing else defined TIOCSCTTY, make sure it has a value.
 907 if ! grep "const TIOCSCTTY " ${OUT} >/dev/null 2>&1; then
 908   echo "const TIOCSCTTY = 0" >> ${OUT}
 909 fi
 910
 911 # The nlmsghdr struct.
 912 grep '^type _nlmsghdr ' gen-sysinfo.go | \
 913     sed -e 's/_nlmsghdr/NlMsghdr/' \
 914       -e 's/nlmsg_len/Len/' \
 915       -e 's/nlmsg_type/Type/' \
 916       -e 's/nlmsg_flags/Flags/' \
 917       -e 's/nlmsg_seq/Seq/' \
 918       -e 's/nlmsg_pid/Pid/' \
 919     >> ${OUT}
 920
 921 # The nlmsg flags and operators.
 922 grep '^const _NLM' gen-sysinfo.go | \
 923     sed -e 's/^\(const \)_\(NLM[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 924
 925 # NLMSG_HDRLEN is defined as an expression using sizeof.
 926 if ! grep '^const NLMSG_HDRLEN' ${OUT} > /dev/null 2>&1; then
 927   if grep '^const _sizeof_nlmsghdr ' ${OUT} > /dev/null 2>&1; then
 928     echo 'const NLMSG_HDRLEN = (_sizeof_nlmsghdr + (NLMSG_ALIGNTO-1)) &^ (NLMSG_ALIGNTO-1)' >> ${OUT}
 929   fi
 930 fi
 931
 932 # The rtmsg struct.
 933 grep '^type _rtmsg ' gen-sysinfo.go | \
 934     sed -e 's/_rtmsg/RtMsg/' \
 935       -e 's/rtm_family/Family/' \
 936       -e 's/rtm_dst_len/Dst_len/' \
 937       -e 's/rtm_src_len/Src_len/' \
 938       -e 's/rtm_tos/Tos/' \
 939       -e 's/rtm_table/Table/' \
 940       -e 's/rtm_protocol/Protocol/' \
 941       -e 's/rtm_scope/Scope/' \
 942       -e 's/rtm_type/Type/' \
 943       -e 's/rtm_flags/Flags/' \
 944     >> ${OUT}
 945
 946 # The rtgenmsg struct.
 947 grep '^type _rtgenmsg ' gen-sysinfo.go | \
 948     sed -e 's/_rtgenmsg/RtGenmsg/' \
 949       -e 's/rtgen_family/Family/' \
 950     >> ${OUT}
 951
 952 # The routing message flags.
 953 grep '^const _RT_' gen-sysinfo.go | \
 954     sed -e 's/^\(const \)_\(RT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 955 grep '^const _RTA' gen-sysinfo.go | \
 956     sed -e 's/^\(const \)_\(RTA[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 957 grep '^const _RTF' gen-sysinfo.go | \
 958     sed -e 's/^\(const \)_\(RTF[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 959 grep '^const _RTCF' gen-sysinfo.go | \
 960     sed -e 's/^\(const \)_\(RTCF[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 961 grep '^const _RTM' gen-sysinfo.go | \
 962     sed -e 's/^\(const \)_\(RTM[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 963 grep '^const _RTN' gen-sysinfo.go | \
 964     sed -e 's/^\(const \)_\(RTN[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 965 grep '^const _RTPROT' gen-sysinfo.go | \
 966     sed -e 's/^\(const \)_\(RTPROT[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 967
 968 # The ifinfomsg struct.
 969 grep '^type _ifinfomsg ' gen-sysinfo.go | \
 970     sed -e 's/_ifinfomsg/IfInfomsg/' \
 971       -e 's/ifi_family/Family/' \
 972       -e 's/ifi_type/Type/' \
 973       -e 's/ifi_index/Index/' \
 974       -e 's/ifi_flags/Flags/' \
 975       -e 's/ifi_change/Change/' \
 976     >> ${OUT}
 977
 978 # The interface information types and flags.
 979 grep '^const _IFA' gen-sysinfo.go | \
 980     sed -e 's/^\(const \)_\(IFA[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 981 grep '^const _IFLA' gen-sysinfo.go | \
 982     sed -e 's/^\(const \)_\(IFLA[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 983 grep '^const _IFF' gen-sysinfo.go | \
 984     sed -e 's/^\(const \)_\(IFF[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 985 grep '^const _IFNAMSIZ' gen-sysinfo.go | \
 986     sed -e 's/^\(const \)_\(IFNAMSIZ[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 987 grep '^const _SIOC' gen-sysinfo.go |
 988     sed -e 's/^\(const \)_\(SIOC[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 989
 990 # The ifaddrmsg struct.
 991 grep '^type _ifaddrmsg ' gen-sysinfo.go | \
 992     sed -e 's/_ifaddrmsg/IfAddrmsg/' \
 993       -e 's/ifa_family/Family/' \
 994       -e 's/ifa_prefixlen/Prefixlen/' \
 995       -e 's/ifa_flags/Flags/' \
 996       -e 's/ifa_scope/Scope/' \
 997       -e 's/ifa_index/Index/' \
 998     >> ${OUT}
 999
1000 # The rtattr struct.
1001 grep '^type _rtattr ' gen-sysinfo.go | \
1002     sed -e 's/_rtattr/RtAttr/' \
1003       -e 's/rta_len/Len/' \
1004       -e 's/rta_type/Type/' \
1005     >> ${OUT}
1006
1007 # The in_pktinfo struct.
1008 grep '^type _in_pktinfo ' gen-sysinfo.go | \
1009     sed -e 's/_in_pktinfo/Inet4Pktinfo/' \
1010       -e 's/ipi_ifindex/Ifindex/' \
1011       -e 's/ipi_spec_dst/Spec_dst/' \
1012       -e 's/ipi_addr/Addr/' \
1013       -e 's/_in_addr/[4]byte/g' \
1014     >> ${OUT}
1015
1016 # The in6_pktinfo struct.
1017 grep '^type _in6_pktinfo ' gen-sysinfo.go | \
1018     sed -e 's/_in6_pktinfo/Inet6Pktinfo/' \
1019       -e 's/ipi6_addr/Addr/' \
1020       -e 's/ipi6_ifindex/Ifindex/' \
1021       -e 's/_in6_addr/[16]byte/' \
1022     >> ${OUT}
1023
1024 # The termios struct.
1025 grep '^type _termios ' gen-sysinfo.go | \
1026     sed -e 's/_termios/Termios/' \
1027       -e 's/c_iflag/Iflag/' \
1028       -e 's/c_oflag/Oflag/' \
1029       -e 's/c_cflag/Cflag/' \
1030       -e 's/c_lflag/Lflag/' \
1031       -e 's/c_line/Line/' \
1032       -e 's/c_cc/Cc/' \
1033       -e 's/c_ispeed/Ispeed/' \
1034       -e 's/c_ospeed/Ospeed/' \
1035     >> ${OUT}
1036
1037 # The termios constants.
1038 for n in IGNBRK BRKINT IGNPAR PARMRK INPCK ISTRIP INLCR IGNCR ICRNL IUCLC \
1039     IXON IXANY IXOFF IMAXBEL IUTF8 OPOST OLCUC ONLCR OCRNL ONOCR ONLRET \
1040     OFILL OFDEL NLDLY NL0 NL1 CRDLY CR0 CR1 CR2 CR3 CS5 CS6 CS7 CS8 TABDLY \
1041     BSDLY VTDLY FFDLY CBAUD CBAUDEX CSIZE CSTOPB CREAD PARENB PARODD HUPCL \
1042     CLOCAL LOBLK CIBAUD CMSPAR CRTSCTS ISIG ICANON XCASE ECHO ECHOE ECHOK \
1043     ECHONL ECHOCTL ECHOPRT ECHOKE DEFECHO FLUSHO NOFLSH TOSTOP PENDIN IEXTEN \
1044     VINTR VQUIT VERASE VKILL VEOF VMIN VEOL VTIME VEOL2 VSWTCH VSTART VSTOP \
1045     VSUSP VDSUSP VLNEXT VWERASE VREPRINT VDISCARD VSTATUS TCSANOW TCSADRAIN \
1046     TCSAFLUSH TCIFLUSH TCOFLUSH TCIOFLUSH TCOOFF TCOON TCIOFF TCION B0 B50 \
1047     B75 B110 B134 B150 B200 B300 B600 B1200 B1800 B2400 B4800 B9600 B19200 \
1048     B38400 B57600 B115200 B230400 B460800 B500000 B576000 B921600 B1000000 \
1049     B1152000 B1500000 B2000000 B2500000 B3000000 B3500000 B4000000; do
1050
1051     grep "^const _$n " gen-sysinfo.go | \
1052         sed -e 's/^\(const \)_\([^=]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1053 done
1054
1055 # The mount flags
1056 grep '^const _MNT_' gen-sysinfo.go |
1057     sed -e 's/^\(const \)_\(MNT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1058 grep '^const _MS_' gen-sysinfo.go |
1059     sed -e 's/^\(const \)_\(MS_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1060
1061 # The fallocate flags.
1062 grep '^const _FALLOC_' gen-sysinfo.go |
1063     sed -e 's/^\(const \)_\(FALLOC_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1064
1065 # The statfs struct.
1066 # Prefer largefile variant if available.
1067 statfs=`grep '^type _statfs64 ' gen-sysinfo.go || true`
1068 if test "$statfs" != ""; then
1069   grep '^type _statfs64 ' gen-sysinfo.go
1070 else
1071   grep '^type _statfs ' gen-sysinfo.go
1072 fi | sed -e 's/type _statfs64/type Statfs_t/' \
1073          -e 's/type _statfs/type Statfs_t/' \
1074          -e 's/f_type/Type/' \
1075          -e 's/f_bsize/Bsize/' \
1076          -e 's/f_blocks/Blocks/' \
1077          -e 's/f_bfree/Bfree/' \
1078          -e 's/f_bavail/Bavail/' \
1079          -e 's/f_files/Files/' \
1080          -e 's/f_ffree/Ffree/' \
1081          -e 's/f_fsid/Fsid/' \
1082          -e 's/f_namelen/Namelen/' \
1083          -e 's/f_frsize/Frsize/' \
1084          -e 's/f_flags/Flags/' \
1085          -e 's/f_spare/Spare/' \
1086     >> ${OUT}
1087
1088 # The timex struct.
1089 timex=`grep '^type _timex ' gen-sysinfo.go || true`
1090 if test "$timex" = ""; then
1091   timex=`grep '^// type _timex ' gen-sysinfo.go || true`
1092   if test "$timex" != ""; then
1093     timex=`echo $timex | sed -e 's|// ||' -e 's/INVALID-bit-field/int32/g'`
1094   fi
1095 fi
1096 if test "$timex" != ""; then
1097   echo "$timex" | \
1098     sed -e 's/_timex/Timex/' \
1099       -e 's/modes/Modes/' \
1100       -e 's/offset/Offset/' \
1101       -e 's/freq/Freq/' \
1102       -e 's/maxerror/Maxerror/' \
1103       -e 's/esterror/Esterror/' \
1104       -e 's/status/Status/' \
1105       -e 's/constant/Constant/' \
1106       -e 's/precision/Precision/' \
1107       -e 's/tolerance/Tolerance/' \
1108       -e 's/ time / Time /' \
1109       -e 's/tick/Tick/' \
1110       -e 's/ppsfreq/Ppsfreq/' \
1111       -e 's/jitter/Jitter/' \
1112       -e 's/shift/Shift/' \
1113       -e 's/stabil/Stabil/' \
1114       -e 's/jitcnt/Jitcnt/' \
1115       -e 's/calcnt/Calcnt/' \
1116       -e 's/errcnt/Errcnt/' \
1117       -e 's/stbcnt/Stbcnt/' \
1118       -e 's/tai/Tai/' \
1119       -e 's/_timeval/Timeval/' \
1120     >> ${OUT}
1121 fi
1122
1123 # The rlimit struct.
1124 # On systems that use syscall/libcall_posix_largefile.go, use rlimit64
1125 # if it exists.
1126 rlimit="_rlimit"
1127 if test "${GOOS}" = "aix" || test "${GOOS}" = "linux" || (test "${GOOS}" = "solaris" && (test "${GOARCH}" = "386" || test "${GOARCH}" = "sparc")); then
1128   if grep '^type _rlimit64 ' gen-sysinfo.go > /dev/null 2>&1; then
1129     rlimit="_rlimit64"
1130   fi
1131 fi
1132 grep "^type ${rlimit} " gen-sysinfo.go | \
1133     sed -e "s/${rlimit}/Rlimit/" \
1134       -e 's/rlim_cur/Cur/' \
1135       -e 's/rlim_max/Max/' \
1136     >> ${OUT}
1137
1138 # The RLIMIT constants.
1139 grep '^const _RLIMIT_' gen-sysinfo.go |
1140     sed -e 's/^\(const \)_\(RLIMIT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1141 grep '^const _RLIM_' gen-sysinfo.go |
1142     grep -v '^const _RLIM_INFINITY ' |
1143     sed -e 's/^\(const \)_\(RLIM_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1144 if test "${rlimit}" = "_rlimit64" && grep '^const _RLIM64_INFINITY ' gen-sysinfo.go > /dev/null 2>&1; then
1145   echo 'const RLIM_INFINITY = _RLIM64_INFINITY' >> ${OUT}
1146 elif grep '^const _RLIM_INFINITY ' gen-sysinfo.go > /dev/null 2>&1; then
1147   echo 'const RLIM_INFINITY = _RLIM_INFINITY' >> ${OUT}
1148 fi
1149
1150 # The sysinfo struct.
1151 grep '^type _sysinfo ' gen-sysinfo.go | \
1152     sed -e 's/_sysinfo/Sysinfo_t/' \
1153       -e 's/uptime/Uptime/' \
1154       -e 's/loads/Loads/' \
1155       -e 's/totalram/Totalram/' \
1156       -e 's/freeram/Freeram/' \
1157       -e 's/sharedram/Sharedram/' \
1158       -e 's/bufferram/Bufferram/' \
1159       -e 's/totalswap/Totalswap/' \
1160       -e 's/freeswap/Freeswap/' \
1161       -e 's/procs/Procs/' \
1162       -e 's/totalhigh/Totalhigh/' \
1163       -e 's/freehigh/Freehigh/' \
1164       -e 's/mem_unit/Unit/' \
1165     >> ${OUT}
1166
1167 # The utimbuf struct.
1168 grep '^type _utimbuf ' gen-sysinfo.go | \
1169     sed -e 's/_utimbuf/Utimbuf/' \
1170       -e 's/actime/Actime/' \
1171       -e 's/modtime/Modtime/' \
1172     >> ${OUT}
1173
1174 # The LOCK flags for flock.
1175 grep '^const _LOCK_' gen-sysinfo.go |
1176     sed -e 's/^\(const \)_\(LOCK_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1177
1178 # The PRIO constants.
1179 grep '^const _PRIO_' gen-sysinfo.go | \
1180   sed -e 's/^\(const \)_\(PRIO_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1181
1182 # The GNU/Linux LINUX_REBOOT flags.
1183 grep '^const _LINUX_REBOOT_' gen-sysinfo.go |
1184     sed -e 's/^\(const \)_\(LINUX_REBOOT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1185
1186 # The GNU/Linux sock_filter struct.
1187 grep '^type _sock_filter ' gen-sysinfo.go | \
1188     sed -e 's/_sock_filter/SockFilter/' \
1189       -e 's/code/Code/' \
1190       -e 's/jt/Jt/' \
1191       -e 's/jf/Jf/' \
1192       -e 's/k /K /' \
1193     >> ${OUT}
1194
1195 # The GNU/Linux sock_fprog struct.
1196 grep '^type _sock_fprog ' gen-sysinfo.go | \
1197     sed -e 's/_sock_fprog/SockFprog/' \
1198       -e 's/len/Len/' \
1199       -e 's/filter/Filter/' \
1200       -e 's/_sock_filter/SockFilter/' \
1201     >> ${OUT}
1202
1203 # The GNU/Linux filter flags.
1204 grep '^const _BPF_' gen-sysinfo.go | \
1205   sed -e 's/^\(const \)_\(BPF_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1206
1207 # The GNU/Linux nlattr struct.
1208 grep '^type _nlattr ' gen-sysinfo.go | \
1209     sed -e 's/_nlattr/NlAttr/' \
1210       -e 's/nla_len/Len/' \
1211       -e 's/nla_type/Type/' \
1212     >> ${OUT}
1213
1214 # The GNU/Linux nlmsgerr struct.
1215 grep '^type _nlmsgerr ' gen-sysinfo.go | \
1216     sed -e 's/_nlmsgerr/NlMsgerr/' \
1217       -e 's/error/Error/' \
1218       -e 's/msg/Msg/' \
1219       -e 's/_nlmsghdr/NlMsghdr/' \
1220     >> ${OUT}
1221
1222 # The GNU/Linux rtnexthop struct.
1223 grep '^type _rtnexthop ' gen-sysinfo.go | \
1224     sed -e 's/_rtnexthop/RtNexthop/' \
1225       -e 's/rtnh_len/Len/' \
1226       -e 's/rtnh_flags/Flags/' \
1227       -e 's/rtnh_hops/Hops/' \
1228       -e 's/rtnh_ifindex/Ifindex/' \
1229     >> ${OUT}
1230
1231 # The GNU/Linux netlink flags.
1232 grep '^const _NETLINK_' gen-sysinfo.go | \
1233   sed -e 's/^\(const \)_\(NETLINK_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1234 grep '^const _NLA_' gen-sysinfo.go | grep -v '_val =' | \
1235   sed -e 's/^\(const \)_\(NLA_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1236
1237 if ! grep '^const NLA_HDRLEN' ${OUT} >/dev/null 2>&1; then
1238   if grep '^const _NLA_HDRLEN_val' ${OUT} >/dev/null 2>&1; then
1239     echo 'const NLA_HDRLEN = _NLA_HDRLEN_val' >> ${OUT}
1240   fi
1241 fi
1242
1243 # The GNU/Linux packet socket flags.
1244 grep '^const _PACKET_' gen-sysinfo.go | \
1245   sed -e 's/^\(const \)_\(PACKET_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1246
1247 # The GNU/Linux inotify_event struct.
1248 grep '^type _inotify_event ' gen-sysinfo.go | \
1249     sed -e 's/_inotify_event/InotifyEvent/' \
1250       -e 's/wd/Wd/' \
1251       -e 's/mask/Mask/' \
1252       -e 's/cookie/Cookie/' \
1253       -e 's/len/Len/' \
1254       -e 's/name/Name/' \
1255       -e 's/\[\]/[0]/' \
1256       -e 's/\[0\]byte/[0]int8/' \
1257     >> ${OUT}
1258
1259 # The GNU/Linux CLONE flags.
1260 grep '^const _CLONE_' gen-sysinfo.go | \
1261   sed -e 's/^\(const \)_\(CLONE_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1262 # We need some CLONE constants that are not defined in older versions
1263 # of glibc.
1264 if ! grep '^const CLONE_NEWUSER ' ${OUT} > /dev/null 2>&1; then
1265   echo "const CLONE_NEWUSER = 0x10000000" >> ${OUT}
1266 fi
1267 if ! grep '^const CLONE_NEWNET ' ${OUT} > /dev/null 2>&1; then
1268   echo "const CLONE_NEWNET = 0x40000000" >> ${OUT}
1269 fi
1270
1271 # Struct sizes.
1272 set cmsghdr Cmsghdr ip_mreq IPMreq ip_mreqn IPMreqn ipv6_mreq IPv6Mreq \
1273     ifaddrmsg IfAddrmsg ifinfomsg IfInfomsg in_pktinfo Inet4Pktinfo \
1274     in6_pktinfo Inet6Pktinfo inotify_event InotifyEvent linger Linger \
1275     msghdr Msghdr nlattr NlAttr nlmsgerr NlMsgerr nlmsghdr NlMsghdr \
1276     rtattr RtAttr rtgenmsg RtGenmsg rtmsg RtMsg rtnexthop RtNexthop \
1277     sock_filter SockFilter sock_fprog SockFprog ucred Ucred \
1278     icmp6_filter ICMPv6Filter ip6_mtuinfo IPv6MTUInfo
1279 while test $# != 0; do
1280     nc=$1
1281     ngo=$2
1282     shift
1283     shift
1284     if grep "^const _sizeof_$nc =" gen-sysinfo.go >/dev/null 2>&1; then
1285         echo "const Sizeof$ngo = _sizeof_$nc" >> ${OUT}
1286     fi
1287 done
1288
1289 # In order to compile the net package, we need some sizes to exist
1290 # even if the types do not.
1291 if ! grep 'const SizeofIPMreq ' ${OUT} >/dev/null 2>&1; then
1292     echo 'const SizeofIPMreq = 8' >> ${OUT}
1293 fi
1294 if ! grep 'const SizeofIPv6Mreq ' ${OUT} >/dev/null 2>&1; then
1295     echo 'const SizeofIPv6Mreq = 20' >> ${OUT}
1296 fi
1297 if ! grep 'const SizeofIPMreqn ' ${OUT} >/dev/null 2>&1; then
1298     echo 'const SizeofIPMreqn = 12' >> ${OUT}
1299 fi
1300 if ! grep 'const SizeofICMPv6Filter ' ${OUT} >/dev/null 2>&1; then
1301     echo 'const SizeofICMPv6Filter = 32' >> ${OUT}
1302 fi
1303
1304 # The Solaris 11 Update 1 _zone_net_addr_t struct.
1305 grep '^type _zone_net_addr_t ' gen-sysinfo.go | \
1306     sed -e 's/_in6_addr/[16]byte/' \
1307     >> ${OUT}
1308
1309 # The Solaris 11.4 _flow_arp_desc_t struct.
1310 grep '^type _flow_arp_desc_t ' gen-sysinfo.go | \
1311     sed -e 's/_in6_addr_t/[16]byte/g' \
1312     >> ${OUT}
1313
1314 # The Solaris 11.4 _flow_l3_desc_t struct.
1315 grep '^type _flow_l3_desc_t ' gen-sysinfo.go | \
1316     sed -e 's/_in6_addr_t/[16]byte/g' \
1317     >> ${OUT}
1318
1319 # The Solaris 11.3 _mac_ipaddr_t struct.
1320 grep '^type _mac_ipaddr_t ' gen-sysinfo.go | \
1321     sed -e 's/_in6_addr_t/[16]byte/g' \
1322     >> ${OUT}
1323
1324 # The Solaris 11.3 _mactun_info_t struct.
1325 grep '^type _mactun_info_t ' gen-sysinfo.go | \
1326     sed -e 's/_in6_addr_t/[16]byte/g' \
1327     >> ${OUT}
1328
1329 exit $?