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