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_]+ [0-9E]' errno.i | \
  59   sed -e 's/^#define \(E[A-Z0-9_]*\) .*$/const \1 = Errno(_\1)/' >> ${OUT}
  60
  61 # Workaround for GNU/Hurd _EMIG_* errors having negative values
  62 egrep '#define E[A-Z0-9_]+ -[0-9]' errno.i | \
  63   sed -e 's/^#define \(E[A-Z0-9_]*\) .*$/const \1 = Errno(-_\1)/' >> ${OUT}
  64
  65 # The O_xxx flags.
  66 egrep '^const _(O|F|FD)_' gen-sysinfo.go | \
  67   sed -e 's/^\(const \)_\([^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
  68 if ! grep '^const O_ASYNC' ${OUT} >/dev/null 2>&1; then
  69   echo "const O_ASYNC = 0" >> ${OUT}
  70 fi
  71 if ! grep '^const O_CLOEXEC' ${OUT} >/dev/null 2>&1; then
  72   echo "const O_CLOEXEC = 0" >> ${OUT}
  73 fi
  74
  75 # The os package requires F_DUPFD_CLOEXEC to be defined.
  76 if ! grep '^const F_DUPFD_CLOEXEC' ${OUT} >/dev/null 2>&1; then
  77   echo "const F_DUPFD_CLOEXEC = 0" >> ${OUT}
  78 fi
  79
  80 # The internal/poll package requires F_GETPIPE_SZ to be defined.
  81 if ! grep '^const F_GETPIPE_SZ' ${OUT} >/dev/null 2>&1; then
  82   echo "const F_GETPIPE_SZ = 0" >> ${OUT}
  83 fi
  84
  85 # AIX 7.1 is a 64 bits value for _FCLOEXEC (referenced by O_CLOEXEC)
  86 # which leads to a constant overflow when using O_CLOEXEC in some
  87 # go code. Issue wan not present in 6.1 (no O_CLOEXEC) and is no
  88 # more present in 7.2 (_FCLOEXEC is a 32 bit value).
  89 if test "${GOOS}" = "aix" && `oslevel | grep -q "^7.1"`; then
  90     sed -e 's/const __FCLOEXEC = .*/const __FCLOEXEC = 0/' ${OUT} > ${OUT}-2
  91     mv ${OUT}-2 ${OUT}
  92 fi
  93
  94 # These flags can be lost on i386 GNU/Linux when using
  95 # -D_FILE_OFFSET_BITS=64, because we see "#define F_SETLK F_SETLK64"
  96 # before we see the definition of F_SETLK64.
  97 for flag in F_GETLK F_SETLK F_SETLKW; do
  98   if ! grep "^const ${flag} " ${OUT} >/dev/null 2>&1 \
  99       && grep "^const ${flag}64 " ${OUT} >/dev/null 2>&1; then
 100     echo "const ${flag} = ${flag}64" >> ${OUT}
 101   fi
 102 done
 103
 104 # The Flock_t struct for fcntl.
 105 grep '^type _flock ' gen-sysinfo.go | \
 106     sed -e 's/type _flock/type Flock_t/' \
 107       -e 's/l_type/Type/' \
 108       -e 's/l_whence/Whence/' \
 109       -e 's/l_start/Start/' \
 110       -e 's/l_len/Len/' \
 111       -e 's/l_pid/Pid/' \
 112     >> ${OUT}
 113
 114 # The signal numbers.
 115 grep '^const _SIG[^_]' gen-sysinfo.go | \
 116   grep -v '^const _SIGEV_' | \
 117   sed -e 's/^\(const \)_\(SIG[^= ]*\)\(.*\)$/\1\2 = Signal(_\2)/' >> ${OUT}
 118 if ! grep '^const SIGPOLL ' ${OUT} >/dev/null 2>&1; then
 119   if grep '^const SIGIO ' ${OUT} > /dev/null 2>&1; then
 120     echo "const SIGPOLL = SIGIO" >> ${OUT}
 121   fi
 122 fi
 123 if ! grep '^const SIGCLD ' ${OUT} >/dev/null 2>&1; then
 124   if grep '^const SIGCHLD ' ${OUT} >/dev/null 2>&1; then
 125     echo "const SIGCLD = SIGCHLD" >> ${OUT}
 126   fi
 127 fi
 128
 129 # The syscall numbers.  We force the names to upper case.
 130 grep '^const _SYS_' gen-sysinfo.go | \
 131   sed -e 's/const _\(SYS_[^= ]*\).*$/\1/' | \
 132   while read sys; do
 133     sup=`echo $sys | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ`
 134     echo "const $sup = _$sys" >> ${OUT}
 135   done
 136
 137 # Special treatment of SYS_IOCTL for GNU/Hurd.
 138 if ! grep '^const SYS_IOCTL' ${OUT} > /dev/null 2>&1; then
 139   echo "const SYS_IOCTL = 0" >> ${OUT}
 140 fi
 141
 142 # The GNU/Linux support wants to use SYS_GETDENTS64 if available.
 143 if ! grep '^const SYS_GETDENTS ' ${OUT} >/dev/null 2>&1; then
 144   echo "const SYS_GETDENTS = 0" >> ${OUT}
 145 fi
 146 if ! grep '^const SYS_GETDENTS64 ' ${OUT} >/dev/null 2>&1; then
 147   echo "const SYS_GETDENTS64 = 0" >> ${OUT}
 148 fi
 149
 150 # The syscall package wants the geteuid system call number.  It isn't
 151 # defined on Alpha, which only provides the getresuid system call.
 152 if ! grep '^const SYS_GETEUID ' ${OUT} >/dev/null 2>&1; then
 153   echo "const SYS_GETEUID = 0" >> ${OUT}
 154 fi
 155
 156 # Stat constants.
 157 grep '^const _S_' gen-sysinfo.go | \
 158   sed -e 's/^\(const \)_\(S_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 159
 160 # Mmap constants.
 161 grep '^const _PROT_' gen-sysinfo.go | \
 162   sed -e 's/^\(const \)_\(PROT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 163 grep '^const _MAP_' gen-sysinfo.go | \
 164   sed -e 's/^\(const \)_\(MAP_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 165 grep '^const _MADV_' gen-sysinfo.go | \
 166   sed -e 's/^\(const \)_\(MADV_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 167 grep '^const _MCL_' gen-sysinfo.go | \
 168   sed -e 's/^\(const \)_\(MCL_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 169
 170 # Process status constants.
 171 grep '^const _W' gen-sysinfo.go |
 172   sed -e 's/^\(const \)_\(W[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 173 # WSTOPPED was introduced in glibc 2.3.4.
 174 if ! grep '^const _WSTOPPED = ' gen-sysinfo.go >/dev/null 2>&1; then
 175   if grep '^const _WUNTRACED = ' gen-sysinfo.go > /dev/null 2>&1; then
 176     echo 'const WSTOPPED = _WUNTRACED' >> ${OUT}
 177   else
 178     echo 'const WSTOPPED = 2' >> ${OUT}
 179   fi
 180 fi
 181 if grep '^const ___WALL = ' gen-sysinfo.go >/dev/null 2>&1 \
 182    && ! grep '^const _WALL = ' gen-sysinfo.go >/dev/null 2>&1; then
 183   echo 'const WALL = ___WALL' >> ${OUT}
 184 fi
 185 # On GNU/Linux the os package requires WEXITED and WNOWAIT.
 186 if test "${GOOS}" = "linux"; then
 187   if ! grep '^const WEXITED = ' ${OUT} >/dev/null 2>&1; then
 188     echo 'const WEXITED = 4' >> ${OUT}
 189   fi
 190   if ! grep '^const WNOWAIT = ' ${OUT} >/dev/null 2>&1; then
 191     echo 'const WNOWAIT = 0x01000000' >> ${OUT}
 192   fi
 193 fi
 194
 195 # Networking constants.
 196 egrep '^const _(AF|ARPHRD|ETH|IN|SOCK|SOL|SO|IPPROTO|TCP|IP|IPV6)_' gen-sysinfo.go |
 197   grep -v '_val =' |
 198   sed -e 's/^\(const \)_\([^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 199 grep '^const _SOMAXCONN' gen-sysinfo.go |
 200   sed -e 's/^\(const \)_\(SOMAXCONN[^= ]*\)\(.*\)$/\1\2 = _\2/' \
 201     >> ${OUT}
 202 grep '^const _SHUT_' gen-sysinfo.go |
 203   sed -e 's/^\(const \)_\(SHUT[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 204
 205 # The net package requires some const definitions.
 206 for m in IP_PKTINFO IPV6_V6ONLY IPPROTO_IPV6 IPV6_JOIN_GROUP IPV6_LEAVE_GROUP IPV6_TCLASS SO_REUSEPORT; do
 207   if ! grep "^const $m " ${OUT} >/dev/null 2>&1; then
 208     echo "const $m = 0" >> ${OUT}
 209   fi
 210 done
 211 for m in SOCK_CLOEXEC SOCK_NONBLOCK; do
 212   if ! grep "^const $m " ${OUT} >/dev/null 2>&1; then
 213     echo "const $m = -1" >> ${OUT}
 214   fi
 215 done
 216
 217 # On 32-bit GNU/Linux the expression for SO_RCVTIMEO is too complicated
 218 # for -fdump-go-spec.
 219 if ! grep '^const SO_RCVTIMEO ' ${OUT} >/dev/null 2>&1; then
 220   if grep '^const _SO_RCVTIMEO_val' ${OUT} >/dev/null 2>&1; then
 221     echo 'const SO_RCVTIMEO = _SO_RCVTIMEO_val' >> ${OUT}
 222   fi
 223 fi
 224
 225 # The syscall package requires AF_LOCAL.
 226 if ! grep '^const AF_LOCAL ' ${OUT} >/dev/null 2>&1; then
 227   if grep '^const AF_UNIX ' ${OUT} >/dev/null 2>&1; then
 228     echo "const AF_LOCAL = AF_UNIX" >> ${OUT}
 229   fi
 230 fi
 231
 232 # The syscall package requires _AT_FDCWD, but doesn't export it.
 233 if ! grep '^const _AT_FDCWD = ' ${OUT} >/dev/null 2>&1; then
 234   echo "const _AT_FDCWD = -100" >> ${OUT}
 235 fi
 236
 237 # sysctl constants.
 238 grep '^const _CTL' gen-sysinfo.go |
 239   sed -e 's/^\(const \)_\(CTL[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 240   grep '^const _SYSCTL' gen-sysinfo.go |
 241   sed -e 's/^\(const \)_\(SYSCTL[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 242   grep '^const _NET_RT' gen-sysinfo.go |
 243   sed -e 's/^\(const \)_\(NET_RT[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 244
 245 # The sysctlnode struct.
 246 grep '^type _sysctlnode ' gen-sysinfo.go | \
 247     sed -e 's/_sysctlnode/Sysctlnode/' \
 248                 -e 's/sysctl_flags/Flags/' \
 249     -e 's/sysctl_name/Name/' \
 250     -e 's/sysctl_num/Num/' \
 251                 >> ${OUT}
 252
 253 # sysconf constants.
 254 grep '^const __SC' gen-sysinfo.go |
 255   sed -e 's/^\(const \)__\(SC[^= ]*\)\(.*\)$/\1\2 = __\2/' >> ${OUT}
 256
 257 # pathconf constants.
 258 grep '^const __PC' gen-sysinfo.go |
 259   sed -e 's/^\(const \)__\(PC[^= ]*\)\(.*\)$/\1\2 = __\2/' >> ${OUT}
 260
 261 # The PATH_MAX constant.
 262 if grep '^const _PATH_MAX ' gen-sysinfo.go >/dev/null 2>&1; then
 263   echo 'const PathMax = _PATH_MAX' >> ${OUT}
 264 fi
 265
 266 # epoll constants.
 267 grep '^const _EPOLL' gen-sysinfo.go |
 268   grep -v EPOLLET |
 269   sed -e 's/^\(const \)_\(EPOLL[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 270 # Make sure EPOLLET is positive.
 271 if grep '^const _EPOLLET = [0-9]' gen-sysinfo.go >/dev/null 2>&1; then
 272   grep '^const _EPOLLET ' gen-sysinfo.go |
 273     sed -e 's/^\(const \)_\(EPOLL[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 274 else
 275   echo "const EPOLLET = 0x80000000" >> ${OUT}
 276 fi
 277 # Make sure EPOLLRDHUP and EPOLL_CLOEXEC are defined.
 278 if ! grep '^const EPOLLRDHUP' ${OUT} >/dev/null 2>&1; then
 279   echo "const EPOLLRDHUP = 0x2000" >> ${OUT}
 280 fi
 281 if ! grep '^const EPOLL_CLOEXEC' ${OUT} >/dev/null 2>&1; then
 282   echo "const EPOLL_CLOEXEC = 02000000" >> ${OUT}
 283 fi
 284
 285 # Prctl constants.
 286 grep '^const _PR_' gen-sysinfo.go |
 287   sed -e 's/^\(const \)_\(PR_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 288
 289 # Ptrace constants.
 290 grep '^const _PTRACE' gen-sysinfo.go |
 291   sed -e 's/^\(const \)_\(PTRACE[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 292 # We need some ptrace options that are not defined in older versions
 293 # of glibc.
 294 if ! grep '^const PTRACE_SETOPTIONS' ${OUT} > /dev/null 2>&1; then
 295   echo "const PTRACE_SETOPTIONS = 0x4200" >> ${OUT}
 296 fi
 297 if ! grep '^const PTRACE_O_TRACESYSGOOD' ${OUT} > /dev/null 2>&1; then
 298   echo "const PTRACE_O_TRACESYSGOOD = 0x1" >> ${OUT}
 299 fi
 300 if ! grep '^const PTRACE_O_TRACEFORK' ${OUT} > /dev/null 2>&1; then
 301   echo "const PTRACE_O_TRACEFORK = 0x2" >> ${OUT}
 302 fi
 303 if ! grep '^const PTRACE_O_TRACEVFORK' ${OUT} > /dev/null 2>&1; then
 304   echo "const PTRACE_O_TRACEVFORK = 0x4" >> ${OUT}
 305 fi
 306 if ! grep '^const PTRACE_O_TRACECLONE' ${OUT} > /dev/null 2>&1; then
 307   echo "const PTRACE_O_TRACECLONE = 0x8" >> ${OUT}
 308 fi
 309 if ! grep '^const PTRACE_O_TRACEEXEC' ${OUT} > /dev/null 2>&1; then
 310   echo "const PTRACE_O_TRACEEXEC = 0x10" >> ${OUT}
 311 fi
 312 if ! grep '^const PTRACE_O_TRACEVFORKDONE' ${OUT} > /dev/null 2>&1; then
 313   echo "const PTRACE_O_TRACEVFORKDONE = 0x20" >> ${OUT}
 314 fi
 315 if ! grep '^const PTRACE_O_TRACEEXIT' ${OUT} > /dev/null 2>&1; then
 316   echo "const PTRACE_O_TRACEEXIT = 0x40" >> ${OUT}
 317 fi
 318 if ! grep '^const PTRACE_O_MASK' ${OUT} > /dev/null 2>&1; then
 319   echo "const PTRACE_O_MASK = 0x7f" >> ${OUT}
 320 fi
 321 if ! grep '^const _PTRACE_GETEVENTMSG' ${OUT} > /dev/null 2>&1; then
 322   echo "const PTRACE_GETEVENTMSG = 0x4201" >> ${OUT}
 323 fi
 324 if ! grep '^const PTRACE_EVENT_FORK' ${OUT} > /dev/null 2>&1; then
 325   echo "const PTRACE_EVENT_FORK = 1" >> ${OUT}
 326 fi
 327 if ! grep '^const PTRACE_EVENT_VFORK' ${OUT} > /dev/null 2>&1; then
 328   echo "const PTRACE_EVENT_VFORK = 2" >> ${OUT}
 329 fi
 330 if ! grep '^const PTRACE_EVENT_CLONE' ${OUT} > /dev/null 2>&1; then
 331   echo "const PTRACE_EVENT_CLONE = 3" >> ${OUT}
 332 fi
 333 if ! grep '^const PTRACE_EVENT_EXEC' ${OUT} > /dev/null 2>&1; then
 334   echo "const PTRACE_EVENT_EXEC = 4" >> ${OUT}
 335 fi
 336 if ! grep '^const PTRACE_EVENT_VFORK_DONE' ${OUT} > /dev/null 2>&1; then
 337   echo "const PTRACE_EVENT_VFORK_DONE = 5" >> ${OUT}
 338 fi
 339 if ! grep '^const PTRACE_EVENT_EXIT' ${OUT} > /dev/null 2>&1; then
 340   echo "const PTRACE_EVENT_EXIT = 6" >> ${OUT}
 341 fi
 342 if ! grep '^const _PTRACE_TRACEME' ${OUT} > /dev/null 2>&1; then
 343   echo "const _PTRACE_TRACEME = 0" >> ${OUT}
 344 fi
 345
 346 # A helper function that prints a structure from gen-sysinfo.go with the first
 347 # letter of the field names in upper case.  $1 is the name of structure.  If $2
 348 # is not empty, the structure or type is renamed to $2.
 349 upcase_fields () {
 350   name="$1"
 351   def=`grep "^type $name " gen-sysinfo.go`
 352   fields=`echo $def | sed -e 's/^[^{]*{\(.*\)}$/\1/'`
 353   prefix=`echo $def | sed -e 's/{.*//'`
 354   if test "$2" != ""; then
 355     prefix=`echo $prefix | sed -e "s/$1/$2/"`
 356   fi
 357   if test "$fields" != ""; then
 358     nfields=
 359     while test -n "$fields"; do
 360       field=`echo $fields | sed -e 's/^\([^;]*\);.*$/\1/'`
 361       fields=`echo $fields | sed -e 's/^[^;]*; *\(.*\)$/\1/'`
 362       # capitalize the next character.
 363       f=`echo $field | sed -e 's/^\(.\).*$/\1/'`
 364       r=`echo $field | sed -e 's/^.\(.*\)$/\1/'`
 365       f=`echo $f | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ`
 366       field="$f$r"
 367       nfields="$nfields $field;"
 368     done
 369     echo "${prefix} {$nfields }"
 370   fi
 371 }
 372
 373 # The registers returned by PTRACE_GETREGS.  This is probably
 374 # GNU/Linux specific; it should do no harm if there is no
 375 # _user_regs_struct.
 376 regs=`grep '^type _user_regs_struct struct' gen-sysinfo.go || true`
 377 if test "$regs" = ""; then
 378   # mips*
 379   regs=`grep '^type _pt_regs struct' gen-sysinfo.go || true`
 380 fi
 381 if test "$regs" != ""; then
 382   regs=`echo $regs | sed -e 's/type _pt_regs struct//'`
 383   regs=`echo $regs |
 384     sed -e 's/type __*user_regs_struct struct //' -e 's/[{}]//g'`
 385   regs=`echo $regs | sed -e s'/^ *//'`
 386   nregs=
 387   while test -n "$regs"; do
 388     field=`echo $regs | sed -e 's/^\([^;]*\);.*$/\1/'`
 389     regs=`echo $regs | sed -e 's/^[^;]*; *\(.*\)$/\1/'`
 390     # Capitalize the first character of the field.
 391     f=`echo $field | sed -e 's/^\(.\).*$/\1/'`
 392     r=`echo $field | sed -e 's/^.\(.*\)$/\1/'`
 393     f=`echo $f | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ`
 394     field="$f$r"
 395     field=`echo "$field" | sed \
 396       -e 's/__user_psw_struct/PtracePsw/' \
 397       -e 's/__user_fpregs_struct/PtraceFpregs/' \
 398       -e 's/__user_per_struct/PtracePer/'`
 399     nregs="$nregs $field;"
 400   done
 401   echo "type PtraceRegs struct {$nregs }" >> ${OUT}
 402 fi
 403
 404 # Some basic types.
 405 echo 'type Size_t _size_t' >> ${OUT}
 406 echo "type Ssize_t _ssize_t" >> ${OUT}
 407 if grep '^const _HAVE_OFF64_T = ' gen-sysinfo.go > /dev/null 2>&1; then
 408   echo "type Offset_t _off64_t" >> ${OUT}
 409 else
 410   echo "type Offset_t _off_t" >> ${OUT}
 411 fi
 412 echo "type Mode_t _mode_t" >> ${OUT}
 413 echo "type Pid_t _pid_t" >> ${OUT}
 414 echo "type Uid_t _uid_t" >> ${OUT}
 415 echo "type Gid_t _gid_t" >> ${OUT}
 416 echo "type Socklen_t _socklen_t" >> ${OUT}
 417
 418 # The C int type.
 419 sizeof_int=`grep '^const ___SIZEOF_INT__ = ' gen-sysinfo.go | sed -e 's/.*= //'`
 420 if test "$sizeof_int" = "4"; then
 421   echo "type _C_int int32" >> ${OUT}
 422   echo "type _C_uint uint32" >> ${OUT}
 423 elif test "$sizeof_int" = "8"; then
 424   echo "type _C_int int64" >> ${OUT}
 425   echo "type _C_uint uint64" >> ${OUT}
 426 else
 427   echo 1>&2 "mksysinfo.sh: could not determine size of int (got $sizeof_int)"
 428   exit 1
 429 fi
 430
 431 # The C long type, needed because that is the type that ptrace returns.
 432 sizeof_long=`grep '^const ___SIZEOF_LONG__ = ' gen-sysinfo.go | sed -e 's/.*= //'`
 433 if test "$sizeof_long" = "4"; then
 434   echo "type _C_long int32" >> ${OUT}
 435   echo "type _C_ulong uint32" >> ${OUT}
 436 elif test "$sizeof_long" = "8"; then
 437   echo "type _C_long int64" >> ${OUT}
 438   echo "type _C_ulong uint64" >> ${OUT}
 439 else
 440   echo 1>&2 "mksysinfo.sh: could not determine size of long (got $sizeof_long)"
 441   exit 1
 442 fi
 443
 444 # Solaris 2 needs _u?pad128_t, but its default definition in terms of long
 445 # double is commented by -fdump-go-spec.
 446 if grep "^// type _pad128_t" gen-sysinfo.go > /dev/null 2>&1; then
 447   echo "type _pad128_t struct { _l [4]int32; }" >> ${OUT}
 448 fi
 449 if grep "^// type _upad128_t" gen-sysinfo.go > /dev/null 2>&1; then
 450   echo "type _upad128_t struct { _l [4]uint32; }" >> ${OUT}
 451 fi
 452
 453 # The time_t type.
 454 if grep '^type _time_t ' gen-sysinfo.go > /dev/null 2>&1; then
 455   echo 'type Time_t _time_t' >> ${OUT}
 456 fi
 457
 458 # The time structures need special handling: we need to name the
 459 # types, so that we can cast integers to the right types when
 460 # assigning to the structures.
 461 timeval=`grep '^type _timeval ' gen-sysinfo.go`
 462 timeval_sec=`echo $timeval | sed -n -e 's/^.*tv_sec \([^ ]*\);.*$/\1/p'`
 463 timeval_usec=`echo $timeval | sed -n -e 's/^.*tv_usec \([^ ]*\);.*$/\1/p'`
 464 echo "type Timeval_sec_t = $timeval_sec" >> ${OUT}
 465 echo "type Timeval_usec_t = $timeval_usec" >> ${OUT}
 466 echo $timeval | \
 467   sed -e 's/type _timeval /type Timeval /' \
 468       -e 's/tv_sec *[a-zA-Z0-9_]*/Sec Timeval_sec_t/' \
 469       -e 's/tv_usec *[a-zA-Z0-9_]*/Usec Timeval_usec_t/' >> ${OUT}
 470 timespec=`grep '^type _timespec ' gen-sysinfo.go || true`
 471 if test "$timespec" = ""; then
 472   # IRIX 6.5 has __timespec instead.
 473   timespec=`grep '^type ___timespec ' gen-sysinfo.go || true`
 474 fi
 475 timespec_sec=`echo $timespec | sed -n -e 's/^.*tv_sec \([^ ]*\);.*$/\1/p'`
 476 timespec_nsec=`echo $timespec | sed -n -e 's/^.*tv_nsec \([^ ]*\);.*$/\1/p'`
 477 echo "type Timespec_sec_t = $timespec_sec" >> ${OUT}
 478 echo "type Timespec_nsec_t = $timespec_nsec" >> ${OUT}
 479 echo $timespec | \
 480   sed -e 's/^type ___timespec /type Timespec /' \
 481       -e 's/^type _timespec /type Timespec /' \
 482       -e 's/tv_sec *[a-zA-Z0-9_]*/Sec Timespec_sec_t/' \
 483       -e 's/tv_nsec *[a-zA-Z0-9_]*/Nsec Timespec_nsec_t/' >> ${OUT}
 484
 485 timestruc=`grep '^type _timestruc_t ' gen-sysinfo.go || true`
 486 if test "$timestruc" != ""; then
 487   timestruc_sec=`echo $timestruc | sed -n -e 's/^.*tv_sec \([^ ]*\);.*$/\1/p'`
 488   timestruc_nsec=`echo $timestruc | sed -n -e 's/^.*tv_nsec \([^ ]*\);.*$/\1/p'`
 489   echo "type Timestruc_sec_t = $timestruc_sec" >> ${OUT}
 490   echo "type Timestruc_nsec_t = $timestruc_nsec" >> ${OUT}
 491   echo $timestruc | \
 492     sed -e 's/^type _timestruc_t /type Timestruc /' \
 493         -e 's/tv_sec *[a-zA-Z0-9_]*/Sec Timestruc_sec_t/' \
 494         -e 's/tv_nsec *[a-zA-Z0-9_]*/Nsec Timestruc_nsec_t/' >> ${OUT}
 495 fi
 496
 497 # The tms struct.
 498 grep '^type _tms ' gen-sysinfo.go | \
 499     sed -e 's/type _tms/type Tms/' \
 500       -e 's/tms_utime/Utime/' \
 501       -e 's/tms_stime/Stime/' \
 502       -e 's/tms_cutime/Cutime/' \
 503       -e 's/tms_cstime/Cstime/' \
 504     >> ${OUT}
 505
 506 # AIX uses st_timespec struct for stat.
 507 grep '^type _st_timespec ' gen-sysinfo.go | \
 508     sed -e 's/type _st_timespec /type StTimespec /' \
 509       -e 's/tv_sec/Sec/' \
 510       -e 's/tv_nsec/Nsec/' >> ${OUT}
 511
 512 # Special treatment of struct stat st_dev for GNU/Hurd
 513 # /usr/include/i386-gnu/bits/stat.h: #define st_dev st_fsid
 514 st_dev='-e s/st_dev/Dev/'
 515 if grep 'define st_dev st_fsid' gen-sysinfo.go > /dev/null 2>&1; then
 516   st_dev='-e s/st_fsid/Dev/'
 517 fi
 518
 519 # For historical reasons Go uses the suffix "timespec" instead of "tim" for
 520 # stat_t's time fields on NetBSD.
 521 st_times='-e s/st_atim/Atim/ -e s/st_mtim/Mtim/ -e s/st_ctim/Ctim/'
 522 if test "${GOOS}" = "netbsd"; then
 523     st_times='-e s/st_atim/Atimespec/ -e s/st_mtim/Mtimespec/ -e s/st_ctim/Ctimespec/'
 524 fi
 525
 526 # The stat type.
 527 # Prefer largefile variant if available.
 528 stat=`grep '^type _stat64 ' gen-sysinfo.go || true`
 529 if test "$stat" != ""; then
 530   grep '^type _stat64 ' gen-sysinfo.go
 531 else
 532   grep '^type _stat ' gen-sysinfo.go
 533 fi | sed -e 's/type _stat64/type Stat_t/' \
 534          -e 's/type _stat/type Stat_t/' \
 535          ${st_dev} \
 536          ${st_times} \
 537          -e 's/st_ino/Ino/g' \
 538          -e 's/st_nlink/Nlink/' \
 539          -e 's/st_mode/Mode/' \
 540          -e 's/st_uid/Uid/' \
 541          -e 's/st_gid/Gid/' \
 542          -e 's/st_rdev/Rdev/' \
 543          -e 's/st_size/Size/' \
 544          -e 's/st_blksize/Blksize/' \
 545          -e 's/st_blocks/Blocks/' \
 546          -e 's/\([^a-zA-Z0-9_]\)_timeval\([^a-zA-Z0-9_]\)/\1Timeval\2/g' \
 547          -e 's/\([^a-zA-Z0-9_]\)_timespec_t\([^a-zA-Z0-9_]\)/\1Timespec\2/g' \
 548          -e 's/\([^a-zA-Z0-9_]\)_st_timespec_t\([^a-zA-Z0-9_]\)/\1StTimespec\2/g' \
 549          -e 's/\([^a-zA-Z0-9_]\)_timespec\([^a-zA-Z0-9_]\)/\1Timespec\2/g' \
 550          -e 's/\([^a-zA-Z0-9_]\)_timestruc_t\([^a-zA-Z0-9_]\)/\1Timestruc\2/g' \
 551          -e 's/Godump_[0-9] struct { \([^;]*;\) };/\1/g' \
 552        >> ${OUT}
 553
 554 # The directory searching types.
 555 # Prefer largefile variant if available.
 556 dirent=`grep '^type _dirent64 ' gen-sysinfo.go || true`
 557 if test "$dirent" != ""; then
 558   grep '^type _dirent64 ' gen-sysinfo.go
 559 else
 560   grep '^type _dirent ' gen-sysinfo.go
 561 fi | sed -e 's/type _dirent64/type Dirent/' \
 562          -e 's/type _dirent/type Dirent/' \
 563          -e 's/d_name \[0+1\]/d_name [0+256]/' \
 564          -e 's/d_name/Name/' \
 565          -e 's/]int8/]byte/' \
 566          -e 's/d_fileno/Fileno/' \
 567          -e 's/d_ino/Ino/' \
 568          -e 's/d_namlen/Namlen/' \
 569          -e 's/d_off/Off/' \
 570          -e 's/d_reclen/Reclen/' \
 571          -e 's/d_type/Type/' \
 572       >> ${OUT}
 573 echo "type DIR _DIR" >> ${OUT}
 574
 575 # Values for d_type field in dirent.
 576 grep '^const _DT_' gen-sysinfo.go |
 577   sed -e 's/^\(const \)_\(DT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 578
 579 # The rusage struct.
 580 rusage=`grep '^type _rusage struct' gen-sysinfo.go`
 581 if test "$rusage" != ""; then
 582   # Remove anonymous unions from GNU/Linux <bits/resource.h>.
 583   rusage=`echo $rusage | sed -e 's/Godump_[0-9][0-9]* struct {\([^}]*\)};/\1/g'`
 584   rusage=`echo $rusage | sed -e 's/type _rusage struct //' -e 's/[{}]//g'`
 585   rusage=`echo $rusage | sed -e 's/^ *//'`
 586   nrusage=
 587   while test -n "$rusage"; do
 588     field=`echo $rusage | sed -e 's/^\([^;]*\);.*$/\1/'`
 589     rusage=`echo $rusage | sed -e 's/^[^;]*; *\(.*\)$/\1/'`
 590     # Drop the leading ru_, capitalize the next character.
 591     field=`echo $field | sed -e 's/^ru_//'`
 592     f=`echo $field | sed -e 's/^\(.\).*$/\1/'`
 593     r=`echo $field | sed -e 's/^.\(.*\)$/\1/'`
 594     f=`echo $f | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ`
 595     # Fix _timeval _timespec, and _timestruc_t.
 596     r=`echo $r | sed -e s'/ _timeval$/ Timeval/'`
 597     r=`echo $r | sed -e s'/ _timespec$/ Timespec/'`
 598     r=`echo $r | sed -e s'/ _timestruc_t$/ Timestruc/'`
 599     field="$f$r"
 600     nrusage="$nrusage $field;"
 601   done
 602   echo "type Rusage struct {$nrusage }" >> ${OUT}
 603 else
 604   echo "type Rusage struct {}" >> ${OUT}
 605 fi
 606
 607 # The RUSAGE constants.
 608 grep '^const _RUSAGE_' gen-sysinfo.go | \
 609   sed -e 's/^\(const \)_\(RUSAGE_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 610
 611 # The utsname struct.
 612 grep '^type _utsname ' gen-sysinfo.go | \
 613     sed -e 's/_utsname/Utsname/' \
 614       -e 's/sysname/Sysname/' \
 615       -e 's/nodename/Nodename/' \
 616       -e 's/release/Release/' \
 617       -e 's/version/Version/' \
 618       -e 's/machine/Machine/' \
 619       -e 's/domainname/Domainname/' \
 620     >> ${OUT}
 621
 622 # The iovec struct.
 623 iovec=`grep '^type _iovec ' gen-sysinfo.go`
 624 iovec_len=`echo $iovec | sed -n -e 's/^.*iov_len \([^ ]*\);.*$/\1/p'`
 625 echo "type Iovec_len_t $iovec_len" >> ${OUT}
 626 echo $iovec | \
 627     sed -e 's/_iovec/Iovec/' \
 628       -e 's/iov_base/Base/' \
 629       -e 's/iov_len *[a-zA-Z0-9_]*/Len Iovec_len_t/' \
 630     >> ${OUT}
 631
 632 # The msghdr struct.
 633 msghdr=`grep '^type _msghdr ' gen-sysinfo.go`
 634 msghdr_controllen=`echo $msghdr | sed -n -e 's/^.*msg_controllen \([^ ]*\);.*$/\1/p'`
 635 echo "type Msghdr_controllen_t $msghdr_controllen" >> ${OUT}
 636 echo $msghdr | \
 637     sed -e 's/_msghdr/Msghdr/' \
 638       -e 's/msg_name/Name/' \
 639       -e 's/msg_namelen/Namelen/' \
 640       -e 's/msg_iov/Iov/' \
 641       -e 's/msg_iovlen/Iovlen/' \
 642       -e 's/_iovec/Iovec/' \
 643       -e 's/msg_control/Control/' \
 644       -e 's/msg_controllen *[a-zA-Z0-9_]*/Controllen Msghdr_controllen_t/' \
 645       -e 's/msg_flags/Flags/' \
 646     >> ${OUT}
 647
 648 # The MSG_ flags for Msghdr.
 649 grep '^const _MSG_' gen-sysinfo.go | \
 650   sed -e 's/^\(const \)_\(MSG_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 651
 652 # The cmsghdr struct.
 653 cmsghdr=`grep '^type _cmsghdr ' gen-sysinfo.go`
 654 if test -n "$cmsghdr"; then
 655   cmsghdr_len=`echo $cmsghdr | sed -n -e 's/^.*cmsg_len \([^ ]*\);.*$/\1/p'`
 656   echo "type Cmsghdr_len_t $cmsghdr_len" >> ${OUT}
 657   echo "$cmsghdr" | \
 658       sed -e 's/_cmsghdr/Cmsghdr/' \
 659         -e 's/cmsg_len *[a-zA-Z0-9_]*/Len Cmsghdr_len_t/' \
 660         -e 's/cmsg_level/Level/' \
 661         -e 's/cmsg_type/Type/' \
 662         -e 's/\[\]/[0]/' \
 663       >> ${OUT}
 664 fi
 665
 666 # The SCM_ flags for Cmsghdr.
 667 grep '^const _SCM_' gen-sysinfo.go | \
 668   sed -e 's/^\(const \)_\(SCM_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 669
 670 # The ucred struct.
 671 upcase_fields "_ucred" "Ucred" >> ${OUT} || true
 672
 673 # The ip_mreq struct.
 674 grep '^type _ip_mreq ' gen-sysinfo.go | \
 675     sed -e 's/_ip_mreq/IPMreq/' \
 676       -e 's/imr_multiaddr/Multiaddr/' \
 677       -e 's/imr_interface/Interface/' \
 678       -e 's/_in_addr/[4]byte/g' \
 679     >> ${OUT}
 680
 681 # We need IPMreq to compile the net package.
 682 if ! grep 'type IPMreq ' ${OUT} >/dev/null 2>&1; then
 683   echo 'type IPMreq struct { Multiaddr [4]byte; Interface [4]byte; }' >> ${OUT}
 684 fi
 685
 686 # The ipv6_mreq struct.
 687 grep '^type _ipv6_mreq ' gen-sysinfo.go | \
 688     sed -e 's/_ipv6_mreq/IPv6Mreq/' \
 689       -e 's/ipv6mr_multiaddr/Multiaddr/' \
 690       -e 's/ipv6mr_interface/Interface/' \
 691       -e 's/_in6_addr/[16]byte/' \
 692     >> ${OUT}
 693
 694 # We need IPv6Mreq to compile the net package.
 695 if ! grep 'type IPv6Mreq ' ${OUT} >/dev/null 2>&1; then
 696   echo 'type IPv6Mreq struct { Multiaddr [16]byte; Interface uint32; }' >> ${OUT}
 697 fi
 698
 699 # The ip_mreqn struct.
 700 grep '^type _ip_mreqn ' gen-sysinfo.go | \
 701     sed -e 's/_ip_mreqn/IPMreqn/' \
 702       -e 's/imr_multiaddr/Multiaddr/' \
 703       -e 's/imr_address/Address/' \
 704       -e 's/imr_ifindex/Ifindex/' \
 705       -e 's/_in_addr/[4]byte/g' \
 706     >> ${OUT}
 707
 708 # We need IPMreq to compile the net package.
 709 if ! grep 'type IPMreqn ' ${OUT} >/dev/null 2>&1; then
 710   echo 'type IPMreqn struct { Multiaddr [4]byte; Interface [4]byte; Ifindex int32 }' >> ${OUT}
 711 fi
 712
 713 # The icmp6_filter struct.
 714 grep '^type _icmp6_filter ' gen-sysinfo.go | \
 715     sed -e 's/_icmp6_filter/ICMPv6Filter/' \
 716       -e 's/data/Data/' \
 717       -e 's/filt/Filt/' \
 718     >> ${OUT}
 719
 720 # We need ICMPv6Filter to compile the syscall package.
 721 if ! grep 'type ICMPv6Filter ' ${OUT} > /dev/null 2>&1; then
 722   echo 'type ICMPv6Filter struct { Data [8]uint32 }' >> ${OUT}
 723 fi
 724
 725 # The ip6_mtuinfo struct.
 726 grep '^type _ip6_mtuinfo ' gen-sysinfo.go | \
 727     sed -e 's/_ip6_mtuinfo/IPv6MTUInfo/' \
 728       -e 's/ip6m_addr/Addr/' \
 729       -e 's/_sockaddr_in6/RawSockaddrInet6/' \
 730       -e 's/ip6m_mtu/Mtu/' \
 731     >> ${OUT}
 732
 733 # We need IPv6MTUInfo to compile the syscall package.
 734 if ! grep 'type IPv6MTUInfo ' ${OUT} >/dev/null 2>&1; then
 735   echo 'type IPv6MTUInfo struct { Addr RawSockaddrInet6; Mtu uint32; }' >> ${OUT}
 736 fi
 737 if ! grep 'const _sizeof_ip6_mtuinfo = ' ${OUT} >/dev/null 2>&1; then
 738   echo 'const SizeofIPv6MTUInfo = 32' >> ${OUT}
 739 fi
 740
 741 # Try to guess the type to use for fd_set.
 742 fd_set=`grep '^type _fd_set ' gen-sysinfo.go || true`
 743 fds_bits_type="_C_long"
 744 if test "$fd_set" != ""; then
 745     fds_bits_type=`echo $fd_set | sed -e 's/.*[]]\([^;]*\); }$/\1/'`
 746 fi
 747 echo "type fds_bits_type $fds_bits_type" >> ${OUT}
 748
 749 # The addrinfo struct.
 750 grep '^type _addrinfo ' gen-sysinfo.go | \
 751     sed -e 's/_addrinfo/Addrinfo/g' \
 752       -e 's/ ai_/ Ai_/g' \
 753     >> ${OUT}
 754
 755 # The addrinfo and nameinfo flags and errors.
 756 grep '^const _AI_' gen-sysinfo.go | \
 757   sed -e 's/^\(const \)_\(AI_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 758 grep '^const _EAI_' gen-sysinfo.go | \
 759   sed -e 's/^\(const \)_\(EAI_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 760 grep '^const _NI_' gen-sysinfo.go | \
 761   sed -e 's/^\(const \)_\(NI_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 762
 763 # If nothing else defined EAI_OVERFLOW, make sure it has a value.
 764 if ! grep "const EAI_OVERFLOW " ${OUT} >/dev/null 2>&1; then
 765   echo "const EAI_OVERFLOW = 0" >> ${OUT}
 766 fi
 767
 768 # The passwd struct.
 769 grep '^type _passwd ' gen-sysinfo.go | \
 770     sed -e 's/_passwd/Passwd/' \
 771       -e 's/ pw_/ Pw_/g' \
 772     >> ${OUT}
 773
 774 # The group struct.
 775 grep '^type _group ' gen-sysinfo.go | \
 776     sed -e 's/_group/Group/' \
 777       -e 's/ gr_/ Gr_/g' \
 778     >> ${OUT}
 779
 780 # The ioctl flags for the controlling TTY.
 781 grep '^const _TIOC' gen-sysinfo.go | \
 782     grep -v '_val =' | \
 783     sed -e 's/^\(const \)_\(TIOC[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 784 grep '^const _TUNSET' gen-sysinfo.go | \
 785     grep -v '_val =' | \
 786     sed -e 's/^\(const \)_\(TUNSET[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 787 # We need TIOCGWINSZ.
 788 if ! grep '^const TIOCGWINSZ' ${OUT} >/dev/null 2>&1; then
 789   if grep '^const _TIOCGWINSZ_val' ${OUT} >/dev/null 2>&1; then
 790     echo 'const TIOCGWINSZ = _TIOCGWINSZ_val' >> ${OUT}
 791   fi
 792 fi
 793 if ! grep '^const TIOCSWINSZ' ${OUT} >/dev/null 2>&1; then
 794   if grep '^const _TIOCSWINSZ_val' ${OUT} >/dev/null 2>&1; then
 795     echo 'const TIOCSWINSZ = _TIOCSWINSZ_val' >> ${OUT}
 796   fi
 797 fi
 798 if ! grep '^const TIOCNOTTY' ${OUT} >/dev/null 2>&1; then
 799   if grep '^const _TIOCNOTTY_val' ${OUT} >/dev/null 2>&1; then
 800     echo 'const TIOCNOTTY = _TIOCNOTTY_val' >> ${OUT}
 801   fi
 802 fi
 803 if ! grep '^const TIOCSCTTY' ${OUT} >/dev/null 2>&1; then
 804   if grep '^const _TIOCSCTTY_val' ${OUT} >/dev/null 2>&1; then
 805     echo 'const TIOCSCTTY = _TIOCSCTTY_val' >> ${OUT}
 806   fi
 807 fi
 808 if ! grep '^const TIOCGPGRP' ${OUT} >/dev/null 2>&1; then
 809   if grep '^const _TIOCGPGRP_val' ${OUT} >/dev/null 2>&1; then
 810     echo 'const TIOCGPGRP = _TIOCGPGRP_val' >> ${OUT}
 811   fi
 812 fi
 813 if ! grep '^const TIOCSPGRP' ${OUT} >/dev/null 2>&1; then
 814   if grep '^const _TIOCSPGRP_val' ${OUT} >/dev/null 2>&1; then
 815     echo 'const TIOCSPGRP = _TIOCSPGRP_val' >> ${OUT}
 816   fi
 817 fi
 818 if ! grep '^const TIOCGPTN' ${OUT} >/dev/null 2>&1; then
 819   if grep '^const _TIOCGPTN_val' ${OUT} >/dev/null 2>&1; then
 820     echo 'const TIOCGPTN = _TIOCGPTN_val' >> ${OUT}
 821   fi
 822 fi
 823 if ! grep '^const TIOCSPTLCK' ${OUT} >/dev/null 2>&1; then
 824   if grep '^const _TIOCSPTLCK_val' ${OUT} >/dev/null 2>&1; then
 825     echo 'const TIOCSPTLCK = _TIOCSPTLCK_val' >> ${OUT}
 826   fi
 827 fi
 828 if ! grep '^const TIOCGDEV' ${OUT} >/dev/null 2>&1; then
 829   if grep '^const _TIOCGDEV_val' ${OUT} >/dev/null 2>&1; then
 830     echo 'const TIOCGDEV = _TIOCGDEV_val' >> ${OUT}
 831   fi
 832 fi
 833 if ! grep '^const TIOCSIG' ${OUT} >/dev/null 2>&1; then
 834   if grep '^const _TIOCSIG_val' ${OUT} >/dev/null 2>&1; then
 835     echo 'const TIOCSIG = _TIOCSIG_val' >> ${OUT}
 836   fi
 837 fi
 838
 839 if ! grep '^const TUNSETNOCSUM' ${OUT} >/dev/null 2>&1; then
 840   if grep '^const _TUNSETNOCSUM_val' ${OUT} >/dev/null 2>&1; then
 841     echo 'const TUNSETNOCSUM = _TUNSETNOCSUM_val' >> ${OUT}
 842   fi
 843 fi
 844
 845 if ! grep '^const TUNSETDEBUG' ${OUT} >/dev/null 2>&1; then
 846   if grep '^const _TUNSETDEBUG_val' ${OUT} >/dev/null 2>&1; then
 847     echo 'const TUNSETDEBUG = _TUNSETDEBUG_val' >> ${OUT}
 848   fi
 849 fi
 850
 851 if ! grep '^const TUNSETIFF' ${OUT} >/dev/null 2>&1; then
 852   if grep '^const _TUNSETIFF_val' ${OUT} >/dev/null 2>&1; then
 853     echo 'const TUNSETIFF = _TUNSETIFF_val' >> ${OUT}
 854   fi
 855 fi
 856
 857 if ! grep '^const TUNSETPERSIST' ${OUT} >/dev/null 2>&1; then
 858   if grep '^const _TUNSETPERSIST_val' ${OUT} >/dev/null 2>&1; then
 859     echo 'const TUNSETPERSIST = _TUNSETPERSIST_val' >> ${OUT}
 860   fi
 861 fi
 862
 863 if ! grep '^const TUNSETOWNER' ${OUT} >/dev/null 2>&1; then
 864   if grep '^const _TUNSETOWNER_val' ${OUT} >/dev/null 2>&1; then
 865     echo 'const TUNSETOWNER = _TUNSETOWNER_val' >> ${OUT}
 866   fi
 867 fi
 868
 869 if ! grep '^const TUNSETLINK' ${OUT} >/dev/null 2>&1; then
 870   if grep '^const _TUNSETLINK_val' ${OUT} >/dev/null 2>&1; then
 871     echo 'const TUNSETLINK = _TUNSETLINK_val' >> ${OUT}
 872   fi
 873 fi
 874
 875 if ! grep '^const TUNSETGROUP' ${OUT} >/dev/null 2>&1; then
 876   if grep '^const _TUNSETGROUP_val' ${OUT} >/dev/null 2>&1; then
 877     echo 'const TUNSETGROUP = _TUNSETGROUP_val' >> ${OUT}
 878   fi
 879 fi
 880
 881 if ! grep '^const TUNGETFEATURES' ${OUT} >/dev/null 2>&1; then
 882   if grep '^const _TUNGETFEATURES_val' ${OUT} >/dev/null 2>&1; then
 883     echo 'const TUNGETFEATURES = _TUNGETFEATURES_val' >> ${OUT}
 884   fi
 885 fi
 886
 887 if ! grep '^const TUNSETOFFLOAD' ${OUT} >/dev/null 2>&1; then
 888   if grep '^const _TUNSETOFFLOAD_val' ${OUT} >/dev/null 2>&1; then
 889     echo 'const TUNSETOFFLOAD = _TUNSETOFFLOAD_val' >> ${OUT}
 890   fi
 891 fi
 892
 893 if ! grep '^const TUNSETTXFILTER' ${OUT} >/dev/null 2>&1; then
 894   if grep '^const _TUNSETTXFILTER_val' ${OUT} >/dev/null 2>&1; then
 895     echo 'const TUNSETTXFILTER = _TUNSETTXFILTER_val' >> ${OUT}
 896   fi
 897 fi
 898
 899 if ! grep '^const TUNGETIFF' ${OUT} >/dev/null 2>&1; then
 900   if grep '^const _TUNGETIFF_val' ${OUT} >/dev/null 2>&1; then
 901     echo 'const TUNGETIFF = _TUNGETIFF_val' >> ${OUT}
 902   fi
 903 fi
 904
 905 if ! grep '^const TUNGETSNDBUF' ${OUT} >/dev/null 2>&1; then
 906   if grep '^const _TUNGETSNDBUF_val' ${OUT} >/dev/null 2>&1; then
 907     echo 'const TUNGETSNDBUF = _TUNGETSNDBUF_val' >> ${OUT}
 908   fi
 909 fi
 910
 911 if ! grep '^const TUNSETSNDBUF' ${OUT} >/dev/null 2>&1; then
 912   if grep '^const _TUNSETSNDBUF_val' ${OUT} >/dev/null 2>&1; then
 913     echo 'const TUNSETSNDBUF = _TUNSETSNDBUF_val' >> ${OUT}
 914   fi
 915 fi
 916
 917 if ! grep '^const TUNATTACHFILTER' ${OUT} >/dev/null 2>&1; then
 918   if grep '^const _TUNATTACHFILTER_val' ${OUT} >/dev/null 2>&1; then
 919     echo 'const TUNATTACHFILTER = _TUNATTACHFILTER_val' >> ${OUT}
 920   fi
 921 fi
 922
 923 if ! grep '^const TUNDETACHFILTER' ${OUT} >/dev/null 2>&1; then
 924   if grep '^const _TUNDETACHFILTER_val' ${OUT} >/dev/null 2>&1; then
 925     echo 'const TUNDETACHFILTER = _TUNDETACHFILTER_val' >> ${OUT}
 926   fi
 927 fi
 928
 929 if ! grep '^const TUNGETVNETHDRSZ' ${OUT} >/dev/null 2>&1; then
 930   if grep '^const _TUNGETVNETHDRSZ_val' ${OUT} >/dev/null 2>&1; then
 931     echo 'const TUNGETVNETHDRSZ = _TUNGETVNETHDRSZ_val' >> ${OUT}
 932   fi
 933 fi
 934
 935 if ! grep '^const TUNSETVNETHDRSZ' ${OUT} >/dev/null 2>&1; then
 936   if grep '^const _TUNSETVNETHDRSZ_val' ${OUT} >/dev/null 2>&1; then
 937     echo 'const TUNSETVNETHDRSZ = _TUNSETVNETHDRSZ_val' >> ${OUT}
 938   fi
 939 fi
 940
 941 if ! grep '^const TUNSETQUEUE' ${OUT} >/dev/null 2>&1; then
 942   if grep '^const _TUNSETQUEUE_val' ${OUT} >/dev/null 2>&1; then
 943     echo 'const TUNSETQUEUE = _TUNSETQUEUE_val' >> ${OUT}
 944   fi
 945 fi
 946
 947
 948 if ! grep '^const TUNSETIFINDEX' ${OUT} >/dev/null 2>&1; then
 949   if grep '^const _TUNSETIFINDEX_val' ${OUT} >/dev/null 2>&1; then
 950     echo 'const TUNSETIFINDEX = _TUNSETIFINDEX_val' >> ${OUT}
 951   fi
 952 fi
 953
 954 if ! grep '^const TUNGETFILTER' ${OUT} >/dev/null 2>&1; then
 955   if grep '^const _TUNGETFILTER_val' ${OUT} >/dev/null 2>&1; then
 956     echo 'const TUNGETFILTER = _TUNGETFILTER_val' >> ${OUT}
 957   fi
 958 fi
 959
 960 # The ioctl flags for terminal control
 961 grep '^const _TC[GS]ET' gen-sysinfo.go | grep -v _val | \
 962     sed -e 's/^\(const \)_\(TC[GS]ET[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 963 if ! grep '^const TCGETS' ${OUT} >/dev/null 2>&1; then
 964   if grep '^const _TCGETS_val' ${OUT} >/dev/null 2>&1; then
 965     echo 'const TCGETS = _TCGETS_val' >> ${OUT}
 966   fi
 967 fi
 968 if ! grep '^const TCSETS' ${OUT} >/dev/null 2>&1; then
 969   if grep '^const _TCSETS_val' ${OUT} >/dev/null 2>&1; then
 970     echo 'const TCSETS = _TCSETS_val' >> ${OUT}
 971   fi
 972 fi
 973
 974 # ioctl constants.  Might fall back to 0 if TIOCNXCL is missing, too, but
 975 # needs handling in syscalls.exec.go.
 976 if ! grep '^const _TIOCSCTTY ' gen-sysinfo.go >/dev/null 2>&1; then
 977   if grep '^const _TIOCNXCL ' gen-sysinfo.go >/dev/null 2>&1; then
 978     echo "const TIOCSCTTY = TIOCNXCL" >> ${OUT}
 979   fi
 980 fi
 981
 982 # If nothing else defined TIOCSCTTY, make sure it has a value.
 983 if ! grep "const TIOCSCTTY " ${OUT} >/dev/null 2>&1; then
 984   echo "const TIOCSCTTY = 0" >> ${OUT}
 985 fi
 986
 987 # The nlmsghdr struct.
 988 grep '^type _nlmsghdr ' gen-sysinfo.go | \
 989     sed -e 's/_nlmsghdr/NlMsghdr/' \
 990       -e 's/nlmsg_len/Len/' \
 991       -e 's/nlmsg_type/Type/' \
 992       -e 's/nlmsg_flags/Flags/' \
 993       -e 's/nlmsg_seq/Seq/' \
 994       -e 's/nlmsg_pid/Pid/' \
 995     >> ${OUT}
 996
 997 # The nlmsg flags and operators.
 998 grep '^const _NLM' gen-sysinfo.go | \
 999     sed -e 's/^\(const \)_\(NLM[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1000
1001 # NLMSG_HDRLEN is defined as an expression using sizeof.
1002 if ! grep '^const NLMSG_HDRLEN' ${OUT} > /dev/null 2>&1; then
1003   if grep '^const _sizeof_nlmsghdr ' ${OUT} > /dev/null 2>&1; then
1004     echo 'const NLMSG_HDRLEN = (_sizeof_nlmsghdr + (NLMSG_ALIGNTO-1)) &^ (NLMSG_ALIGNTO-1)' >> ${OUT}
1005   fi
1006 fi
1007
1008 # The rtmsg struct.
1009 grep '^type _rtmsg ' gen-sysinfo.go | \
1010     sed -e 's/_rtmsg/RtMsg/' \
1011       -e 's/rtm_family/Family/' \
1012       -e 's/rtm_dst_len/Dst_len/' \
1013       -e 's/rtm_src_len/Src_len/' \
1014       -e 's/rtm_tos/Tos/' \
1015       -e 's/rtm_table/Table/' \
1016       -e 's/rtm_protocol/Protocol/' \
1017       -e 's/rtm_scope/Scope/' \
1018       -e 's/rtm_type/Type/' \
1019       -e 's/rtm_flags/Flags/' \
1020     >> ${OUT}
1021
1022 # The rtgenmsg struct.
1023 grep '^type _rtgenmsg ' gen-sysinfo.go | \
1024     sed -e 's/_rtgenmsg/RtGenmsg/' \
1025       -e 's/rtgen_family/Family/' \
1026     >> ${OUT}
1027
1028 # The rt_msghdr struct.
1029 grep '^type _rt_msghdr ' gen-sysinfo.go | \
1030     sed -e 's/_rt_msghdr/RtMsghdr/g' \
1031         -e 's/rtm_msglen/Msglen/' \
1032         -e 's/rtm_version/Version/' \
1033         -e 's/rtm_type/Type/' \
1034         -e 's/rtm_index/Index/' \
1035         -e 's/rtm_flags/Flags/' \
1036         -e 's/rtm_addrs/Addrs/' \
1037         -e 's/rtm_pid/Pid/' \
1038         -e 's/rtm_seq/Seq/' \
1039         -e 's/rtm_errno/Errno/' \
1040         -e 's/rtm_use/Use/' \
1041         -e 's/rtm_inits/Inits/' \
1042         -e 's/rtm_rmx/Rmx/' \
1043         -e 's/_rt_metrics/RtMetrics/' \
1044       >> ${OUT}
1045
1046 # The rt_metrics struct.
1047 grep '^type _rt_metrics ' gen-sysinfo.go | \
1048     sed -e 's/_rt_metrics/RtMetrics/g' \
1049         -e 's/rmx_locks/Locks/' \
1050         -e 's/rmx_mtu/Mtu/' \
1051         -e 's/rmx_hopcount/Hopcount/' \
1052         -e 's/rmx_recvpipe/Recvpipe/' \
1053         -e 's/rmx_sendpipe/Sendpipe/' \
1054         -e 's/rmx_ssthresh/Ssthresh/' \
1055         -e 's/rmx_rtt/Rtt/' \
1056         -e 's/rmx_rttvar/Rttvar/' \
1057         -e 's/rmx_expire/Expire/' \
1058         -e 's/rmx_pksent/Pksent/' \
1059       >> ${OUT}
1060
1061 # The routing message flags.
1062 grep '^const _RT_' gen-sysinfo.go | \
1063     sed -e 's/^\(const \)_\(RT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1064 grep '^const _RTA' gen-sysinfo.go | \
1065     sed -e 's/^\(const \)_\(RTA[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1066 grep '^const _RTF' gen-sysinfo.go | \
1067     sed -e 's/^\(const \)_\(RTF[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1068 grep '^const _RTCF' gen-sysinfo.go | \
1069     sed -e 's/^\(const \)_\(RTCF[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1070 grep '^const _RTM' gen-sysinfo.go | \
1071     sed -e 's/^\(const \)_\(RTM[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1072 if test "${GOOS}" = "netbsd"; then
1073   if ! grep "RTM_RESOLVE" ${OUT} >/dev/null 2>&1; then
1074     # NetBSD 8.0 removed RTM_RESOLVE, but it is part of the syscall package's
1075     # stable API, so add it manually.
1076     echo "const RTM_RESOLVE = 0xb" >> ${OUT}
1077   fi
1078 fi
1079 grep '^const _RTN' gen-sysinfo.go | \
1080     sed -e 's/^\(const \)_\(RTN[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1081 grep '^const _RTPROT' gen-sysinfo.go | \
1082     sed -e 's/^\(const \)_\(RTPROT[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1083
1084 # The ifinfomsg struct.
1085 grep '^type _ifinfomsg ' gen-sysinfo.go | \
1086     sed -e 's/_ifinfomsg/IfInfomsg/' \
1087       -e 's/ifi_family/Family/' \
1088       -e 's/ifi_type/Type/' \
1089       -e 's/ifi_index/Index/' \
1090       -e 's/ifi_flags/Flags/' \
1091       -e 's/ifi_change/Change/' \
1092     >> ${OUT}
1093
1094 # The if_msghdr struct. Upstream uses inconsistent capitalization for this type
1095 # on AIX, so we do too.
1096 ifmsghdr_name=IfMsghdr
1097 if test "${GOOS}" = "aix"; then
1098     ifmsghdr_name=IfMsgHdr
1099 fi
1100 grep '^type _if_msghdr ' gen-sysinfo.go | \
1101     sed -e "s/_if_msghdr/${ifmsghdr_name}/" \
1102                 -e 's/ifm_msglen/Msglen/' \
1103                 -e 's/ifm_version/Version/' \
1104                 -e 's/ifm_type/Type/' \
1105                 -e 's/ifm_addrs/Addrs/' \
1106                 -e 's/ifm_flags/Flags/' \
1107                 -e 's/ifm_index/Index/' \
1108                 -e 's/ifm_addrlen/Addrlen/' \
1109                 >> ${OUT}
1110
1111 # The if_announcemsghdr struct.
1112 grep '^type _if_announcemsghdr ' gen-sysinfo.go | \
1113     sed -e 's/_if_announcemsghdr/IfAnnounceMsghdr/g' \
1114         -e 's/ifan_msglen/Msglen/' \
1115         -e 's/ifan_version/Version/' \
1116         -e 's/ifan_type/Type/' \
1117         -e 's/ifan_index/Index/' \
1118         -e 's/ifan_name/Name/' \
1119         -e 's/ifan_what/What/' \
1120       >> ${OUT}
1121
1122 # The interface information types and flags.
1123 grep '^const _IFA' gen-sysinfo.go | \
1124     sed -e 's/^\(const \)_\(IFA[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1125 grep '^const _IFLA' gen-sysinfo.go | \
1126     sed -e 's/^\(const \)_\(IFLA[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1127 grep '^const _IFF' gen-sysinfo.go | \
1128     sed -e 's/^\(const \)_\(IFF[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1129 grep '^const _IFNAMSIZ' gen-sysinfo.go | \
1130     sed -e 's/^\(const \)_\(IFNAMSIZ[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1131 grep '^const _SIOC' gen-sysinfo.go | \
1132     grep -v '_val =' | \
1133     sed -e 's/^\(const \)_\(SIOC[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1134
1135 if ! grep '^const SIOCGIFMTU' ${OUT} >/dev/null 2>&1; then
1136         if grep '^const _SIOCGIFMTU_val' ${OUT} >/dev/null 2>&1; then
1137                 echo 'const SIOCGIFMTU = _SIOCGIFMTU_val' >> ${OUT}
1138         fi
1139 fi
1140
1141 # The ifaddrmsg struct.
1142 grep '^type _ifaddrmsg ' gen-sysinfo.go | \
1143     sed -e 's/_ifaddrmsg/IfAddrmsg/' \
1144       -e 's/ifa_family/Family/' \
1145       -e 's/ifa_prefixlen/Prefixlen/' \
1146       -e 's/ifa_flags/Flags/' \
1147       -e 's/ifa_scope/Scope/' \
1148       -e 's/ifa_index/Index/' \
1149     >> ${OUT}
1150
1151 # The ifa_msghdr struct.
1152 grep '^type _ifa_msghdr ' gen-sysinfo.go | \
1153     sed -e 's/_ifa_msghdr/IfaMsghdr/g' \
1154         -e 's/ifam_msglen/Msglen/' \
1155         -e 's/ifam_version/Version/' \
1156         -e 's/ifam_type/Type/' \
1157         -e 's/ifam_addrs/Addrs/' \
1158         -e 's/ifam_flags/Flags/' \
1159         -e 's/ifam_metric/Metric/' \
1160         -e 's/ifam_index/Index/' \
1161       >> ${OUT}
1162
1163 # The rtattr struct.
1164 grep '^type _rtattr ' gen-sysinfo.go | \
1165     sed -e 's/_rtattr/RtAttr/' \
1166       -e 's/rta_len/Len/' \
1167       -e 's/rta_type/Type/' \
1168     >> ${OUT}
1169
1170 # The bpf_version struct.
1171 grep '^type _bpf_version ' gen-sysinfo.go | \
1172     sed -e 's/_bpf_version/BpfVersion/g' \
1173         -e 's/bv_major/Major/' \
1174         -e 's/bv_minor/Minor/' \
1175       >> ${OUT}
1176
1177 # The bpf_stat struct.
1178 grep '^type _bpf_stat ' gen-sysinfo.go | \
1179     sed -e 's/_bpf_stat/BpfStat/g' \
1180         -e 's/bs_recv/Recv/' \
1181         -e 's/bs_drop/Drop/' \
1182         -e 's/bs_capt/Capt/' \
1183         -e 's/bs_padding/Padding/' \
1184       >> ${OUT}
1185
1186 # The bpf_insn struct.
1187 grep '^type _bpf_insn ' gen-sysinfo.go | \
1188     sed -e 's/_bpf_insn/BpfInsn/g' \
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 bpf_program struct.
1196 grep '^type _bpf_program ' gen-sysinfo.go | \
1197     sed -e 's/_bpf_program/BpfProgram/g' \
1198         -e 's/bf_len/Len/' \
1199         -e 's/bf_insns/Insns/' \
1200         -e 's/_bpf_insn/BpfInsn/' \
1201       >> ${OUT}
1202
1203 # The BPF ioctl constants.
1204 grep '^const _BIOC' gen-sysinfo.go | \
1205     grep -v '_val =' | \
1206     sed -e 's/^\(const \)_\(BIOC[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1207 for c in BIOCFLUSH BIOCGBLEN BIOCGDLT BIOCGETIF BIOCGHDRCMPLT BIOCGRTIMEOUT \
1208          BIOCGSTATS BIOCIMMEDIATE BIOCPROMISC BIOCSBLEN BIOCSDLT BIOCSETF \
1209          BIOCSETIF BIOCSHDRCMPLT BIOCSRTIMEOUT BIOCVERSION
1210 do
1211   if ! grep "^const ${c}" ${OUT} >/dev/null 2>&1; then
1212     if grep "^const _${c}_val" ${OUT} >/dev/null 2>&1; then
1213       echo "const ${c} = _${c}_val" >> ${OUT}
1214     fi
1215   fi
1216 done
1217
1218 # The in_pktinfo struct.
1219 grep '^type _in_pktinfo ' gen-sysinfo.go | \
1220     sed -e 's/_in_pktinfo/Inet4Pktinfo/' \
1221       -e 's/ipi_ifindex/Ifindex/' \
1222       -e 's/ipi_spec_dst/Spec_dst/' \
1223       -e 's/ipi_addr/Addr/' \
1224       -e 's/_in_addr/[4]byte/g' \
1225     >> ${OUT}
1226
1227 # The in6_pktinfo struct.
1228 grep '^type _in6_pktinfo ' gen-sysinfo.go | \
1229     sed -e 's/_in6_pktinfo/Inet6Pktinfo/' \
1230       -e 's/ipi6_addr/Addr/' \
1231       -e 's/ipi6_ifindex/Ifindex/' \
1232       -e 's/_in6_addr/[16]byte/' \
1233     >> ${OUT}
1234
1235 # The termios struct.
1236 grep '^type _termios ' gen-sysinfo.go | \
1237     sed -e 's/_termios/Termios/' \
1238       -e 's/c_iflag/Iflag/' \
1239       -e 's/c_oflag/Oflag/' \
1240       -e 's/c_cflag/Cflag/' \
1241       -e 's/c_lflag/Lflag/' \
1242       -e 's/c_line/Line/' \
1243       -e 's/c_cc/Cc/' \
1244       -e 's/c_ispeed/Ispeed/' \
1245       -e 's/c_ospeed/Ospeed/' \
1246     >> ${OUT}
1247
1248 # The termios constants.
1249 for n in IGNBRK BRKINT IGNPAR PARMRK INPCK ISTRIP INLCR IGNCR ICRNL IUCLC \
1250     IXON IXANY IXOFF IMAXBEL IUTF8 OPOST OLCUC ONLCR OCRNL ONOCR ONLRET \
1251     OFILL OFDEL NLDLY NL0 NL1 CRDLY CR0 CR1 CR2 CR3 CS5 CS6 CS7 CS8 TABDLY \
1252     BSDLY VTDLY FFDLY CBAUD CBAUDEX CSIZE CSTOPB CREAD PARENB PARODD HUPCL \
1253     CLOCAL LOBLK CIBAUD CMSPAR CRTSCTS ISIG ICANON XCASE ECHO ECHOE ECHOK \
1254     ECHONL ECHOCTL ECHOPRT ECHOKE DEFECHO FLUSHO NOFLSH TOSTOP PENDIN IEXTEN \
1255     VINTR VQUIT VERASE VKILL VEOF VMIN VEOL VTIME VEOL2 VSWTCH VSTART VSTOP \
1256     VSUSP VDSUSP VLNEXT VWERASE VREPRINT VDISCARD VSTATUS TCSANOW TCSADRAIN \
1257     TCSAFLUSH TCIFLUSH TCOFLUSH TCIOFLUSH TCOOFF TCOON TCIOFF TCION B0 B50 \
1258     B75 B110 B134 B150 B200 B300 B600 B1200 B1800 B2400 B4800 B9600 B19200 \
1259     B38400 B57600 B115200 B230400 B460800 B500000 B576000 B921600 B1000000 \
1260     B1152000 B1500000 B2000000 B2500000 B3000000 B3500000 B4000000; do
1261
1262     grep "^const _$n " gen-sysinfo.go | \
1263         sed -e 's/^\(const \)_\([^=]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1264 done
1265
1266 # The mount flags
1267 grep '^const _MNT_' gen-sysinfo.go |
1268     sed -e 's/^\(const \)_\(MNT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1269 grep '^const _MS_' gen-sysinfo.go |
1270     sed -e 's/^\(const \)_\(MS_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1271
1272 # The fallocate flags.
1273 grep '^const _FALLOC_' gen-sysinfo.go |
1274     sed -e 's/^\(const \)_\(FALLOC_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1275
1276 # The statfs struct.
1277 # Prefer largefile variant if available.
1278 # CentOS 5 does not have f_flags, so pull from f_spare.
1279 statfs=`grep '^type _statfs64 ' gen-sysinfo.go || true`
1280 if test "$statfs" = ""; then
1281   statfs=`grep '^type _statfs ' gen-sysinfo.go || true`
1282 fi
1283 if ! echo "$statfs" | grep f_flags >/dev/null 2>&1; then
1284   statfs=`echo "$statfs" | sed -e 's/f_spare \[4+1\]\([^ ;]*\)/f_flags \1; f_spare [3+1]\1/'`
1285 fi
1286 echo "$statfs" | sed -e 's/type _statfs64/type Statfs_t/' \
1287          -e 's/type _statfs/type Statfs_t/' \
1288          -e 's/f_type/Type/' \
1289          -e 's/f_bsize/Bsize/' \
1290          -e 's/f_blocks/Blocks/' \
1291          -e 's/f_bfree/Bfree/' \
1292          -e 's/f_bavail/Bavail/' \
1293          -e 's/f_files/Files/' \
1294          -e 's/f_ffree/Ffree/' \
1295          -e 's/f_fsid/Fsid/' \
1296          -e 's/f_namelen/Namelen/' \
1297          -e 's/f_frsize/Frsize/' \
1298          -e 's/f_flags/Flags/' \
1299          -e 's/f_spare/Spare/' \
1300     >> ${OUT}
1301
1302 # The timex struct.
1303 timex=`grep '^type _timex ' gen-sysinfo.go || true`
1304 if test "$timex" = ""; then
1305   timex=`grep '^// type _timex ' gen-sysinfo.go || true`
1306   if test "$timex" != ""; then
1307     timex=`echo $timex | sed -e 's|// ||' -e 's/INVALID-bit-field/int32/g'`
1308   fi
1309 fi
1310 if test "$timex" != ""; then
1311   echo "$timex" | \
1312     sed -e 's/_timex/Timex/' \
1313       -e 's/modes/Modes/' \
1314       -e 's/offset/Offset/' \
1315       -e 's/freq/Freq/' \
1316       -e 's/maxerror/Maxerror/' \
1317       -e 's/esterror/Esterror/' \
1318       -e 's/status/Status/' \
1319       -e 's/constant/Constant/' \
1320       -e 's/precision/Precision/' \
1321       -e 's/tolerance/Tolerance/' \
1322       -e 's/ time / Time /' \
1323       -e 's/tick/Tick/' \
1324       -e 's/ppsfreq/Ppsfreq/' \
1325       -e 's/jitter/Jitter/' \
1326       -e 's/shift/Shift/' \
1327       -e 's/stabil/Stabil/' \
1328       -e 's/jitcnt/Jitcnt/' \
1329       -e 's/calcnt/Calcnt/' \
1330       -e 's/errcnt/Errcnt/' \
1331       -e 's/stbcnt/Stbcnt/' \
1332       -e 's/tai/Tai/' \
1333       -e 's/_timeval/Timeval/' \
1334     >> ${OUT}
1335 fi
1336
1337 # The rlimit struct.
1338 # On systems that use syscall/libcall_posix_largefile.go, use rlimit64
1339 # if it exists.
1340 rlimit="_rlimit"
1341 if test "${GOOS}" = "aix" || test "${GOOS}" = "linux" || (test "${GOOS}" = "solaris" && (test "${GOARCH}" = "386" || test "${GOARCH}" = "sparc")); then
1342   if grep '^type _rlimit64 ' gen-sysinfo.go > /dev/null 2>&1; then
1343     rlimit="_rlimit64"
1344   fi
1345 fi
1346 grep "^type ${rlimit} " gen-sysinfo.go | \
1347     sed -e "s/${rlimit}/Rlimit/" \
1348       -e 's/rlim_cur/Cur/' \
1349       -e 's/rlim_max/Max/' \
1350     >> ${OUT}
1351
1352 # The RLIMIT constants.
1353 grep '^const _RLIMIT_' gen-sysinfo.go |
1354     sed -e 's/^\(const \)_\(RLIMIT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1355 grep '^const _RLIM_' gen-sysinfo.go |
1356     grep -v '^const _RLIM_INFINITY ' |
1357     sed -e 's/^\(const \)_\(RLIM_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1358 rliminf=""
1359 if test "${rlimit}" = "_rlimit64" && grep '^const _RLIM64_INFINITY ' gen-sysinfo.go > /dev/null 2>&1; then
1360   rliminf=`grep '^const _RLIM64_INFINITY ' gen-sysinfo.go | sed -e 's/.* //'`
1361 else
1362   rliminf=`grep '^const _RLIM_INFINITY ' gen-sysinfo.go | sed -e 's/.* //'`
1363 fi
1364 # For compatibility with the gc syscall package, treat 0xffffffffffffffff as -1.
1365 if test "$rliminf" = "0xffffffffffffffff"; then
1366   echo "const RLIM_INFINITY = -1" >> ${OUT}
1367 elif test -n "$rliminf"; then
1368   echo "const RLIM_INFINITY = $rliminf" >> ${OUT}
1369 fi
1370
1371 # The sysinfo struct.
1372 grep '^type _sysinfo ' gen-sysinfo.go | \
1373     sed -e 's/_sysinfo/Sysinfo_t/' \
1374       -e 's/uptime/Uptime/' \
1375       -e 's/loads/Loads/' \
1376       -e 's/totalram/Totalram/' \
1377       -e 's/freeram/Freeram/' \
1378       -e 's/sharedram/Sharedram/' \
1379       -e 's/bufferram/Bufferram/' \
1380       -e 's/totalswap/Totalswap/' \
1381       -e 's/freeswap/Freeswap/' \
1382       -e 's/procs/Procs/' \
1383       -e 's/totalhigh/Totalhigh/' \
1384       -e 's/freehigh/Freehigh/' \
1385       -e 's/mem_unit/Unit/' \
1386     >> ${OUT}
1387
1388 # The utimbuf struct.
1389 grep '^type _utimbuf ' gen-sysinfo.go | \
1390     sed -e 's/_utimbuf/Utimbuf/' \
1391       -e 's/actime/Actime/' \
1392       -e 's/modtime/Modtime/' \
1393     >> ${OUT}
1394
1395 # The LOCK flags for flock.
1396 grep '^const _LOCK_' gen-sysinfo.go |
1397     sed -e 's/^\(const \)_\(LOCK_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1398
1399 # The PRIO constants.
1400 grep '^const _PRIO_' gen-sysinfo.go | \
1401   sed -e 's/^\(const \)_\(PRIO_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1402
1403 # The GNU/Linux LINUX_REBOOT flags.
1404 grep '^const _LINUX_REBOOT_' gen-sysinfo.go |
1405     sed -e 's/^\(const \)_\(LINUX_REBOOT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1406
1407 # The GNU/Linux sock_filter struct.
1408 grep '^type _sock_filter ' gen-sysinfo.go | \
1409     sed -e 's/_sock_filter/SockFilter/' \
1410       -e 's/code/Code/' \
1411       -e 's/jt/Jt/' \
1412       -e 's/jf/Jf/' \
1413       -e 's/k /K /' \
1414     >> ${OUT}
1415
1416 # The GNU/Linux sock_fprog struct.
1417 grep '^type _sock_fprog ' gen-sysinfo.go | \
1418     sed -e 's/_sock_fprog/SockFprog/' \
1419       -e 's/len/Len/' \
1420       -e 's/filter/Filter/' \
1421       -e 's/_sock_filter/SockFilter/' \
1422     >> ${OUT}
1423
1424 # The GNU/Linux filter flags.
1425 grep '^const _BPF_' gen-sysinfo.go | \
1426   sed -e 's/^\(const \)_\(BPF_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1427
1428 # The GNU/Linux nlattr struct.
1429 grep '^type _nlattr ' gen-sysinfo.go | \
1430     sed -e 's/_nlattr/NlAttr/' \
1431       -e 's/nla_len/Len/' \
1432       -e 's/nla_type/Type/' \
1433     >> ${OUT}
1434
1435 # The GNU/Linux nlmsgerr struct.
1436 grep '^type _nlmsgerr ' gen-sysinfo.go | \
1437     sed -e 's/_nlmsgerr/NlMsgerr/' \
1438       -e 's/error/Error/' \
1439       -e 's/msg/Msg/' \
1440       -e 's/_nlmsghdr/NlMsghdr/' \
1441     >> ${OUT}
1442
1443 # The GNU/Linux rtnexthop struct.
1444 grep '^type _rtnexthop ' gen-sysinfo.go | \
1445     sed -e 's/_rtnexthop/RtNexthop/' \
1446       -e 's/rtnh_len/Len/' \
1447       -e 's/rtnh_flags/Flags/' \
1448       -e 's/rtnh_hops/Hops/' \
1449       -e 's/rtnh_ifindex/Ifindex/' \
1450     >> ${OUT}
1451
1452 # The GNU/Linux netlink flags.
1453 grep '^const _NETLINK_' gen-sysinfo.go | \
1454   sed -e 's/^\(const \)_\(NETLINK_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1455 grep '^const _NLA_' gen-sysinfo.go | grep -v '_val =' | \
1456   sed -e 's/^\(const \)_\(NLA_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1457
1458 if ! grep '^const NLA_HDRLEN' ${OUT} >/dev/null 2>&1; then
1459   if grep '^const _NLA_HDRLEN_val' ${OUT} >/dev/null 2>&1; then
1460     echo 'const NLA_HDRLEN = _NLA_HDRLEN_val' >> ${OUT}
1461   fi
1462 fi
1463
1464 # The GNU/Linux packet socket flags.
1465 grep '^const _PACKET_' gen-sysinfo.go | \
1466   sed -e 's/^\(const \)_\(PACKET_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1467
1468 # The GNU/Linux inotify_event struct.
1469 grep '^type _inotify_event ' gen-sysinfo.go | \
1470     sed -e 's/_inotify_event/InotifyEvent/' \
1471       -e 's/wd/Wd/' \
1472       -e 's/mask/Mask/' \
1473       -e 's/cookie/Cookie/' \
1474       -e 's/len/Len/' \
1475       -e 's/name/Name/' \
1476       -e 's/\[\]/[0]/' \
1477       -e 's/\[0\]byte/[0]int8/' \
1478     >> ${OUT}
1479
1480 # The GNU/Linux CLONE flags.
1481 grep '^const _CLONE_' gen-sysinfo.go | \
1482   sed -e 's/^\(const \)_\(CLONE_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1483 # We need some CLONE constants that are not defined in older versions
1484 # of glibc.
1485 if ! grep '^const CLONE_NEWUSER ' ${OUT} > /dev/null 2>&1; then
1486   echo "const CLONE_NEWUSER = 0x10000000" >> ${OUT}
1487 fi
1488 if ! grep '^const CLONE_NEWNET ' ${OUT} > /dev/null 2>&1; then
1489   echo "const CLONE_NEWNET = 0x40000000" >> ${OUT}
1490 fi
1491
1492 # Struct sizes.
1493 set cmsghdr Cmsghdr ip_mreq IPMreq ip_mreqn IPMreqn ipv6_mreq IPv6Mreq \
1494     ifaddrmsg IfAddrmsg ifa_msghdr IfaMsghdr ifinfomsg IfInfomsg \
1495     if_msghdr IfMsghdr in_pktinfo Inet4Pktinfo in6_pktinfo Inet6Pktinfo \
1496     inotify_event InotifyEvent linger Linger msghdr Msghdr nlattr NlAttr \
1497     nlmsgerr NlMsgerr nlmsghdr NlMsghdr rtattr RtAttr rt_msghdr RtMsghdr \
1498     rtgenmsg RtGenmsg rtmsg RtMsg rtnexthop RtNexthop \
1499     sock_filter SockFilter sock_fprog SockFprog ucred Ucred \
1500     icmp6_filter ICMPv6Filter ip6_mtuinfo IPv6MTUInfo
1501 while test $# != 0; do
1502     nc=$1
1503     ngo=$2
1504     shift
1505     shift
1506     if grep "^const _sizeof_$nc =" gen-sysinfo.go >/dev/null 2>&1; then
1507         echo "const Sizeof$ngo = _sizeof_$nc" >> ${OUT}
1508     fi
1509 done
1510
1511 # In order to compile the net package, we need some sizes to exist
1512 # even if the types do not.
1513 if ! grep 'const SizeofIPMreq ' ${OUT} >/dev/null 2>&1; then
1514     echo 'const SizeofIPMreq = 8' >> ${OUT}
1515 fi
1516 if ! grep 'const SizeofIPv6Mreq ' ${OUT} >/dev/null 2>&1; then
1517     echo 'const SizeofIPv6Mreq = 20' >> ${OUT}
1518 fi
1519 if ! grep 'const SizeofIPMreqn ' ${OUT} >/dev/null 2>&1; then
1520     echo 'const SizeofIPMreqn = 12' >> ${OUT}
1521 fi
1522 if ! grep 'const SizeofICMPv6Filter ' ${OUT} >/dev/null 2>&1; then
1523     echo 'const SizeofICMPv6Filter = 32' >> ${OUT}
1524 fi
1525
1526 # The Solaris 11 Update 1 _zone_net_addr_t struct.
1527 grep '^type _zone_net_addr_t ' gen-sysinfo.go | \
1528     sed -e 's/_in6_addr/[16]byte/' \
1529     >> ${OUT}
1530
1531 # The Solaris 11.4 _flow_arp_desc_t struct.
1532 grep '^type _flow_arp_desc_t ' gen-sysinfo.go | \
1533     sed -e 's/_in6_addr_t/[16]byte/g' \
1534     >> ${OUT}
1535
1536 # The Solaris 11.4 _flow_l3_desc_t struct.
1537 grep '^type _flow_l3_desc_t ' gen-sysinfo.go | \
1538     sed -e 's/_in6_addr_t/[16]byte/g' \
1539     >> ${OUT}
1540
1541 # The Solaris 11.3 _mac_ipaddr_t struct.
1542 grep '^type _mac_ipaddr_t ' gen-sysinfo.go | \
1543     sed -e 's/_in6_addr_t/[16]byte/g' \
1544     >> ${OUT}
1545
1546 # The Solaris 11.3 _mactun_info_t struct.
1547 grep '^type _mactun_info_t ' gen-sysinfo.go | \
1548     sed -e 's/_in6_addr_t/[16]byte/g' \
1549     >> ${OUT}
1550
1551 # Type 'uint128' is needed in a couple of type definitions on arm64,such
1552 # as _user_fpsimd_struct, _elf_fpregset_t, etc.
1553 if ! grep '^type uint128' ${OUT} > /dev/null 2>&1; then
1554     echo "type uint128 [16]byte" >> ${OUT}
1555 fi
1556
1557 exit $?