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   sed -e 's/^\(const \)_\([^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 198 grep '^const _SOMAXCONN' gen-sysinfo.go |
 199   sed -e 's/^\(const \)_\(SOMAXCONN[^= ]*\)\(.*\)$/\1\2 = _\2/' \
 200     >> ${OUT}
 201 grep '^const _SHUT_' gen-sysinfo.go |
 202   sed -e 's/^\(const \)_\(SHUT[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 203
 204 # The net package requires some const definitions.
 205 for m in IP_PKTINFO IPV6_V6ONLY IPPROTO_IPV6 IPV6_JOIN_GROUP IPV6_LEAVE_GROUP IPV6_TCLASS SO_REUSEPORT; do
 206   if ! grep "^const $m " ${OUT} >/dev/null 2>&1; then
 207     echo "const $m = 0" >> ${OUT}
 208   fi
 209 done
 210 for m in SOCK_CLOEXEC SOCK_NONBLOCK; do
 211   if ! grep "^const $m " ${OUT} >/dev/null 2>&1; then
 212     echo "const $m = -1" >> ${OUT}
 213   fi
 214 done
 215
 216 # The syscall package requires AF_LOCAL.
 217 if ! grep '^const AF_LOCAL ' ${OUT} >/dev/null 2>&1; then
 218   if grep '^const AF_UNIX ' ${OUT} >/dev/null 2>&1; then
 219     echo "const AF_LOCAL = AF_UNIX" >> ${OUT}
 220   fi
 221 fi
 222
 223 # The syscall package requires _AT_FDCWD, but doesn't export it.
 224 if ! grep '^const _AT_FDCWD = ' ${OUT} >/dev/null 2>&1; then
 225   echo "const _AT_FDCWD = -100" >> ${OUT}
 226 fi
 227
 228 # sysctl constants.
 229 grep '^const _CTL' gen-sysinfo.go |
 230   sed -e 's/^\(const \)_\(CTL[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 231   grep '^const _SYSCTL' gen-sysinfo.go |
 232   sed -e 's/^\(const \)_\(SYSCTL[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 233   grep '^const _NET_RT' gen-sysinfo.go |
 234   sed -e 's/^\(const \)_\(NET_RT[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 235
 236 # The sysctlnode struct.
 237 grep '^type _sysctlnode ' gen-sysinfo.go | \
 238     sed -e 's/_sysctlnode/Sysctlnode/' \
 239                 -e 's/sysctl_flags/Flags/' \
 240     -e 's/sysctl_name/Name/' \
 241     -e 's/sysctl_num/Num/' \
 242                 >> ${OUT}
 243
 244 # sysconf constants.
 245 grep '^const __SC' gen-sysinfo.go |
 246   sed -e 's/^\(const \)__\(SC[^= ]*\)\(.*\)$/\1\2 = __\2/' >> ${OUT}
 247
 248 # pathconf constants.
 249 grep '^const __PC' gen-sysinfo.go |
 250   sed -e 's/^\(const \)__\(PC[^= ]*\)\(.*\)$/\1\2 = __\2/' >> ${OUT}
 251
 252 # The PATH_MAX constant.
 253 if grep '^const _PATH_MAX ' gen-sysinfo.go >/dev/null 2>&1; then
 254   echo 'const PathMax = _PATH_MAX' >> ${OUT}
 255 fi
 256
 257 # epoll constants.
 258 grep '^const _EPOLL' gen-sysinfo.go |
 259   grep -v EPOLLET |
 260   sed -e 's/^\(const \)_\(EPOLL[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 261 # Make sure EPOLLET is positive.
 262 if grep '^const _EPOLLET = [0-9]' gen-sysinfo.go >/dev/null 2>&1; then
 263   grep '^const _EPOLLET ' gen-sysinfo.go |
 264     sed -e 's/^\(const \)_\(EPOLL[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 265 else
 266   echo "const EPOLLET = 0x80000000" >> ${OUT}
 267 fi
 268 # Make sure EPOLLRDHUP and EPOLL_CLOEXEC are defined.
 269 if ! grep '^const EPOLLRDHUP' ${OUT} >/dev/null 2>&1; then
 270   echo "const EPOLLRDHUP = 0x2000" >> ${OUT}
 271 fi
 272 if ! grep '^const EPOLL_CLOEXEC' ${OUT} >/dev/null 2>&1; then
 273   echo "const EPOLL_CLOEXEC = 02000000" >> ${OUT}
 274 fi
 275
 276 # Prctl constants.
 277 grep '^const _PR_' gen-sysinfo.go |
 278   sed -e 's/^\(const \)_\(PR_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 279
 280 # Ptrace constants.
 281 grep '^const _PTRACE' gen-sysinfo.go |
 282   sed -e 's/^\(const \)_\(PTRACE[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 283 # We need some ptrace options that are not defined in older versions
 284 # of glibc.
 285 if ! grep '^const PTRACE_SETOPTIONS' ${OUT} > /dev/null 2>&1; then
 286   echo "const PTRACE_SETOPTIONS = 0x4200" >> ${OUT}
 287 fi
 288 if ! grep '^const PTRACE_O_TRACESYSGOOD' ${OUT} > /dev/null 2>&1; then
 289   echo "const PTRACE_O_TRACESYSGOOD = 0x1" >> ${OUT}
 290 fi
 291 if ! grep '^const PTRACE_O_TRACEFORK' ${OUT} > /dev/null 2>&1; then
 292   echo "const PTRACE_O_TRACEFORK = 0x2" >> ${OUT}
 293 fi
 294 if ! grep '^const PTRACE_O_TRACEVFORK' ${OUT} > /dev/null 2>&1; then
 295   echo "const PTRACE_O_TRACEVFORK = 0x4" >> ${OUT}
 296 fi
 297 if ! grep '^const PTRACE_O_TRACECLONE' ${OUT} > /dev/null 2>&1; then
 298   echo "const PTRACE_O_TRACECLONE = 0x8" >> ${OUT}
 299 fi
 300 if ! grep '^const PTRACE_O_TRACEEXEC' ${OUT} > /dev/null 2>&1; then
 301   echo "const PTRACE_O_TRACEEXEC = 0x10" >> ${OUT}
 302 fi
 303 if ! grep '^const PTRACE_O_TRACEVFORKDONE' ${OUT} > /dev/null 2>&1; then
 304   echo "const PTRACE_O_TRACEVFORKDONE = 0x20" >> ${OUT}
 305 fi
 306 if ! grep '^const PTRACE_O_TRACEEXIT' ${OUT} > /dev/null 2>&1; then
 307   echo "const PTRACE_O_TRACEEXIT = 0x40" >> ${OUT}
 308 fi
 309 if ! grep '^const PTRACE_O_MASK' ${OUT} > /dev/null 2>&1; then
 310   echo "const PTRACE_O_MASK = 0x7f" >> ${OUT}
 311 fi
 312 if ! grep '^const _PTRACE_GETEVENTMSG' ${OUT} > /dev/null 2>&1; then
 313   echo "const PTRACE_GETEVENTMSG = 0x4201" >> ${OUT}
 314 fi
 315 if ! grep '^const PTRACE_EVENT_FORK' ${OUT} > /dev/null 2>&1; then
 316   echo "const PTRACE_EVENT_FORK = 1" >> ${OUT}
 317 fi
 318 if ! grep '^const PTRACE_EVENT_VFORK' ${OUT} > /dev/null 2>&1; then
 319   echo "const PTRACE_EVENT_VFORK = 2" >> ${OUT}
 320 fi
 321 if ! grep '^const PTRACE_EVENT_CLONE' ${OUT} > /dev/null 2>&1; then
 322   echo "const PTRACE_EVENT_CLONE = 3" >> ${OUT}
 323 fi
 324 if ! grep '^const PTRACE_EVENT_EXEC' ${OUT} > /dev/null 2>&1; then
 325   echo "const PTRACE_EVENT_EXEC = 4" >> ${OUT}
 326 fi
 327 if ! grep '^const PTRACE_EVENT_VFORK_DONE' ${OUT} > /dev/null 2>&1; then
 328   echo "const PTRACE_EVENT_VFORK_DONE = 5" >> ${OUT}
 329 fi
 330 if ! grep '^const PTRACE_EVENT_EXIT' ${OUT} > /dev/null 2>&1; then
 331   echo "const PTRACE_EVENT_EXIT = 6" >> ${OUT}
 332 fi
 333 if ! grep '^const _PTRACE_TRACEME' ${OUT} > /dev/null 2>&1; then
 334   echo "const _PTRACE_TRACEME = 0" >> ${OUT}
 335 fi
 336
 337 # A helper function that prints a structure from gen-sysinfo.go with the first
 338 # letter of the field names in upper case.  $1 is the name of structure.  If $2
 339 # is not empty, the structure or type is renamed to $2.
 340 upcase_fields () {
 341   name="$1"
 342   def=`grep "^type $name " gen-sysinfo.go`
 343   fields=`echo $def | sed -e 's/^[^{]*{\(.*\)}$/\1/'`
 344   prefix=`echo $def | sed -e 's/{.*//'`
 345   if test "$2" != ""; then
 346     prefix=`echo $prefix | sed -e "s/$1/$2/"`
 347   fi
 348   if test "$fields" != ""; then
 349     nfields=
 350     while test -n "$fields"; do
 351       field=`echo $fields | sed -e 's/^\([^;]*\);.*$/\1/'`
 352       fields=`echo $fields | sed -e 's/^[^;]*; *\(.*\)$/\1/'`
 353       # capitalize the next character.
 354       f=`echo $field | sed -e 's/^\(.\).*$/\1/'`
 355       r=`echo $field | sed -e 's/^.\(.*\)$/\1/'`
 356       f=`echo $f | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ`
 357       field="$f$r"
 358       nfields="$nfields $field;"
 359     done
 360     echo "${prefix} {$nfields }"
 361   fi
 362 }
 363
 364 # The registers returned by PTRACE_GETREGS.  This is probably
 365 # GNU/Linux specific; it should do no harm if there is no
 366 # _user_regs_struct.
 367 regs=`grep '^type _user_regs_struct struct' gen-sysinfo.go || true`
 368 if test "$regs" = ""; then
 369   # mips*
 370   regs=`grep '^type _pt_regs struct' gen-sysinfo.go || true`
 371 fi
 372 if test "$regs" != ""; then
 373   regs=`echo $regs | sed -e 's/type _pt_regs struct//'`
 374   regs=`echo $regs |
 375     sed -e 's/type __*user_regs_struct struct //' -e 's/[{}]//g'`
 376   regs=`echo $regs | sed -e s'/^ *//'`
 377   nregs=
 378   while test -n "$regs"; do
 379     field=`echo $regs | sed -e 's/^\([^;]*\);.*$/\1/'`
 380     regs=`echo $regs | sed -e 's/^[^;]*; *\(.*\)$/\1/'`
 381     # Capitalize the first character of the field.
 382     f=`echo $field | sed -e 's/^\(.\).*$/\1/'`
 383     r=`echo $field | sed -e 's/^.\(.*\)$/\1/'`
 384     f=`echo $f | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ`
 385     field="$f$r"
 386     field=`echo "$field" | sed \
 387       -e 's/__user_psw_struct/PtracePsw/' \
 388       -e 's/__user_fpregs_struct/PtraceFpregs/' \
 389       -e 's/__user_per_struct/PtracePer/'`
 390     nregs="$nregs $field;"
 391   done
 392   echo "type PtraceRegs struct {$nregs }" >> ${OUT}
 393 fi
 394
 395 # Some basic types.
 396 echo 'type Size_t _size_t' >> ${OUT}
 397 echo "type Ssize_t _ssize_t" >> ${OUT}
 398 if grep '^const _HAVE_OFF64_T = ' gen-sysinfo.go > /dev/null 2>&1; then
 399   echo "type Offset_t _off64_t" >> ${OUT}
 400 else
 401   echo "type Offset_t _off_t" >> ${OUT}
 402 fi
 403 echo "type Mode_t _mode_t" >> ${OUT}
 404 echo "type Pid_t _pid_t" >> ${OUT}
 405 echo "type Uid_t _uid_t" >> ${OUT}
 406 echo "type Gid_t _gid_t" >> ${OUT}
 407 echo "type Socklen_t _socklen_t" >> ${OUT}
 408
 409 # The C int type.
 410 sizeof_int=`grep '^const ___SIZEOF_INT__ = ' gen-sysinfo.go | sed -e 's/.*= //'`
 411 if test "$sizeof_int" = "4"; then
 412   echo "type _C_int int32" >> ${OUT}
 413   echo "type _C_uint uint32" >> ${OUT}
 414 elif test "$sizeof_int" = "8"; then
 415   echo "type _C_int int64" >> ${OUT}
 416   echo "type _C_uint uint64" >> ${OUT}
 417 else
 418   echo 1>&2 "mksysinfo.sh: could not determine size of int (got $sizeof_int)"
 419   exit 1
 420 fi
 421
 422 # The C long type, needed because that is the type that ptrace returns.
 423 sizeof_long=`grep '^const ___SIZEOF_LONG__ = ' gen-sysinfo.go | sed -e 's/.*= //'`
 424 if test "$sizeof_long" = "4"; then
 425   echo "type _C_long int32" >> ${OUT}
 426   echo "type _C_ulong uint32" >> ${OUT}
 427 elif test "$sizeof_long" = "8"; then
 428   echo "type _C_long int64" >> ${OUT}
 429   echo "type _C_ulong uint64" >> ${OUT}
 430 else
 431   echo 1>&2 "mksysinfo.sh: could not determine size of long (got $sizeof_long)"
 432   exit 1
 433 fi
 434
 435 # Solaris 2 needs _u?pad128_t, but its default definition in terms of long
 436 # double is commented by -fdump-go-spec.
 437 if grep "^// type _pad128_t" gen-sysinfo.go > /dev/null 2>&1; then
 438   echo "type _pad128_t struct { _l [4]int32; }" >> ${OUT}
 439 fi
 440 if grep "^// type _upad128_t" gen-sysinfo.go > /dev/null 2>&1; then
 441   echo "type _upad128_t struct { _l [4]uint32; }" >> ${OUT}
 442 fi
 443
 444 # The time_t type.
 445 if grep '^type _time_t ' gen-sysinfo.go > /dev/null 2>&1; then
 446   echo 'type Time_t _time_t' >> ${OUT}
 447 fi
 448
 449 # The time structures need special handling: we need to name the
 450 # types, so that we can cast integers to the right types when
 451 # assigning to the structures.
 452 timeval=`grep '^type _timeval ' gen-sysinfo.go`
 453 timeval_sec=`echo $timeval | sed -n -e 's/^.*tv_sec \([^ ]*\);.*$/\1/p'`
 454 timeval_usec=`echo $timeval | sed -n -e 's/^.*tv_usec \([^ ]*\);.*$/\1/p'`
 455 echo "type Timeval_sec_t = $timeval_sec" >> ${OUT}
 456 echo "type Timeval_usec_t = $timeval_usec" >> ${OUT}
 457 echo $timeval | \
 458   sed -e 's/type _timeval /type Timeval /' \
 459       -e 's/tv_sec *[a-zA-Z0-9_]*/Sec Timeval_sec_t/' \
 460       -e 's/tv_usec *[a-zA-Z0-9_]*/Usec Timeval_usec_t/' >> ${OUT}
 461 timespec=`grep '^type _timespec ' gen-sysinfo.go || true`
 462 if test "$timespec" = ""; then
 463   # IRIX 6.5 has __timespec instead.
 464   timespec=`grep '^type ___timespec ' gen-sysinfo.go || true`
 465 fi
 466 timespec_sec=`echo $timespec | sed -n -e 's/^.*tv_sec \([^ ]*\);.*$/\1/p'`
 467 timespec_nsec=`echo $timespec | sed -n -e 's/^.*tv_nsec \([^ ]*\);.*$/\1/p'`
 468 echo "type Timespec_sec_t = $timespec_sec" >> ${OUT}
 469 echo "type Timespec_nsec_t = $timespec_nsec" >> ${OUT}
 470 echo $timespec | \
 471   sed -e 's/^type ___timespec /type Timespec /' \
 472       -e 's/^type _timespec /type Timespec /' \
 473       -e 's/tv_sec *[a-zA-Z0-9_]*/Sec Timespec_sec_t/' \
 474       -e 's/tv_nsec *[a-zA-Z0-9_]*/Nsec Timespec_nsec_t/' >> ${OUT}
 475
 476 timestruc=`grep '^type _timestruc_t ' gen-sysinfo.go || true`
 477 if test "$timestruc" != ""; then
 478   timestruc_sec=`echo $timestruc | sed -n -e 's/^.*tv_sec \([^ ]*\);.*$/\1/p'`
 479   timestruc_nsec=`echo $timestruc | sed -n -e 's/^.*tv_nsec \([^ ]*\);.*$/\1/p'`
 480   echo "type Timestruc_sec_t = $timestruc_sec" >> ${OUT}
 481   echo "type Timestruc_nsec_t = $timestruc_nsec" >> ${OUT}
 482   echo $timestruc | \
 483     sed -e 's/^type _timestruc_t /type Timestruc /' \
 484         -e 's/tv_sec *[a-zA-Z0-9_]*/Sec Timestruc_sec_t/' \
 485         -e 's/tv_nsec *[a-zA-Z0-9_]*/Nsec Timestruc_nsec_t/' >> ${OUT}
 486 fi
 487
 488 # The tms struct.
 489 grep '^type _tms ' gen-sysinfo.go | \
 490     sed -e 's/type _tms/type Tms/' \
 491       -e 's/tms_utime/Utime/' \
 492       -e 's/tms_stime/Stime/' \
 493       -e 's/tms_cutime/Cutime/' \
 494       -e 's/tms_cstime/Cstime/' \
 495     >> ${OUT}
 496
 497 # AIX uses st_timespec struct for stat.
 498 grep '^type _st_timespec ' gen-sysinfo.go | \
 499     sed -e 's/type _st_timespec /type StTimespec /' \
 500       -e 's/tv_sec/Sec/' \
 501       -e 's/tv_nsec/Nsec/' >> ${OUT}
 502
 503 # Special treatment of struct stat st_dev for GNU/Hurd
 504 # /usr/include/i386-gnu/bits/stat.h: #define st_dev st_fsid
 505 st_dev='-e s/st_dev/Dev/'
 506 if grep 'define st_dev st_fsid' gen-sysinfo.go > /dev/null 2>&1; then
 507   st_dev='-e s/st_fsid/Dev/'
 508 fi
 509
 510 # For historical reasons Go uses the suffix "timespec" instead of "tim" for
 511 # stat_t's time fields on NetBSD.
 512 st_times='-e s/st_atim/Atim/ -e s/st_mtim/Mtim/ -e s/st_ctim/Ctim/'
 513 if test "${GOOS}" = "netbsd"; then
 514     st_times='-e s/st_atim/Atimespec/ -e s/st_mtim/Mtimespec/ -e s/st_ctim/Ctimespec/'
 515 fi
 516
 517 # The stat type.
 518 # Prefer largefile variant if available.
 519 stat=`grep '^type _stat64 ' gen-sysinfo.go || true`
 520 if test "$stat" != ""; then
 521   grep '^type _stat64 ' gen-sysinfo.go
 522 else
 523   grep '^type _stat ' gen-sysinfo.go
 524 fi | sed -e 's/type _stat64/type Stat_t/' \
 525          -e 's/type _stat/type Stat_t/' \
 526          ${st_dev} \
 527          ${st_times} \
 528          -e 's/st_ino/Ino/g' \
 529          -e 's/st_nlink/Nlink/' \
 530          -e 's/st_mode/Mode/' \
 531          -e 's/st_uid/Uid/' \
 532          -e 's/st_gid/Gid/' \
 533          -e 's/st_rdev/Rdev/' \
 534          -e 's/st_size/Size/' \
 535          -e 's/st_blksize/Blksize/' \
 536          -e 's/st_blocks/Blocks/' \
 537          -e 's/\([^a-zA-Z0-9_]\)_timeval\([^a-zA-Z0-9_]\)/\1Timeval\2/g' \
 538          -e 's/\([^a-zA-Z0-9_]\)_timespec_t\([^a-zA-Z0-9_]\)/\1Timespec\2/g' \
 539          -e 's/\([^a-zA-Z0-9_]\)_st_timespec_t\([^a-zA-Z0-9_]\)/\1StTimespec\2/g' \
 540          -e 's/\([^a-zA-Z0-9_]\)_timespec\([^a-zA-Z0-9_]\)/\1Timespec\2/g' \
 541          -e 's/\([^a-zA-Z0-9_]\)_timestruc_t\([^a-zA-Z0-9_]\)/\1Timestruc\2/g' \
 542          -e 's/Godump_[0-9] struct { \([^;]*;\) };/\1/g' \
 543        >> ${OUT}
 544
 545 # The directory searching types.
 546 # Prefer largefile variant if available.
 547 dirent=`grep '^type _dirent64 ' gen-sysinfo.go || true`
 548 if test "$dirent" != ""; then
 549   grep '^type _dirent64 ' gen-sysinfo.go
 550 else
 551   grep '^type _dirent ' gen-sysinfo.go
 552 fi | sed -e 's/type _dirent64/type Dirent/' \
 553          -e 's/type _dirent/type Dirent/' \
 554          -e 's/d_name \[0+1\]/d_name [0+256]/' \
 555          -e 's/d_name/Name/' \
 556          -e 's/]int8/]byte/' \
 557          -e 's/d_fileno/Fileno/' \
 558          -e 's/d_ino/Ino/' \
 559          -e 's/d_namlen/Namlen/' \
 560          -e 's/d_off/Off/' \
 561          -e 's/d_reclen/Reclen/' \
 562          -e 's/d_type/Type/' \
 563       >> ${OUT}
 564 echo "type DIR _DIR" >> ${OUT}
 565
 566 # Values for d_type field in dirent.
 567 grep '^const _DT_' gen-sysinfo.go |
 568   sed -e 's/^\(const \)_\(DT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 569
 570 # The rusage struct.
 571 rusage=`grep '^type _rusage struct' gen-sysinfo.go`
 572 if test "$rusage" != ""; then
 573   # Remove anonymous unions from GNU/Linux <bits/resource.h>.
 574   rusage=`echo $rusage | sed -e 's/Godump_[0-9][0-9]* struct {\([^}]*\)};/\1/g'`
 575   rusage=`echo $rusage | sed -e 's/type _rusage struct //' -e 's/[{}]//g'`
 576   rusage=`echo $rusage | sed -e 's/^ *//'`
 577   nrusage=
 578   while test -n "$rusage"; do
 579     field=`echo $rusage | sed -e 's/^\([^;]*\);.*$/\1/'`
 580     rusage=`echo $rusage | sed -e 's/^[^;]*; *\(.*\)$/\1/'`
 581     # Drop the leading ru_, capitalize the next character.
 582     field=`echo $field | sed -e 's/^ru_//'`
 583     f=`echo $field | sed -e 's/^\(.\).*$/\1/'`
 584     r=`echo $field | sed -e 's/^.\(.*\)$/\1/'`
 585     f=`echo $f | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ`
 586     # Fix _timeval _timespec, and _timestruc_t.
 587     r=`echo $r | sed -e s'/ _timeval$/ Timeval/'`
 588     r=`echo $r | sed -e s'/ _timespec$/ Timespec/'`
 589     r=`echo $r | sed -e s'/ _timestruc_t$/ Timestruc/'`
 590     field="$f$r"
 591     nrusage="$nrusage $field;"
 592   done
 593   echo "type Rusage struct {$nrusage }" >> ${OUT}
 594 else
 595   echo "type Rusage struct {}" >> ${OUT}
 596 fi
 597
 598 # The RUSAGE constants.
 599 grep '^const _RUSAGE_' gen-sysinfo.go | \
 600   sed -e 's/^\(const \)_\(RUSAGE_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 601
 602 # The utsname struct.
 603 grep '^type _utsname ' gen-sysinfo.go | \
 604     sed -e 's/_utsname/Utsname/' \
 605       -e 's/sysname/Sysname/' \
 606       -e 's/nodename/Nodename/' \
 607       -e 's/release/Release/' \
 608       -e 's/version/Version/' \
 609       -e 's/machine/Machine/' \
 610       -e 's/domainname/Domainname/' \
 611     >> ${OUT}
 612
 613 # The iovec struct.
 614 iovec=`grep '^type _iovec ' gen-sysinfo.go`
 615 iovec_len=`echo $iovec | sed -n -e 's/^.*iov_len \([^ ]*\);.*$/\1/p'`
 616 echo "type Iovec_len_t $iovec_len" >> ${OUT}
 617 echo $iovec | \
 618     sed -e 's/_iovec/Iovec/' \
 619       -e 's/iov_base/Base/' \
 620       -e 's/iov_len *[a-zA-Z0-9_]*/Len Iovec_len_t/' \
 621     >> ${OUT}
 622
 623 # The msghdr struct.
 624 msghdr=`grep '^type _msghdr ' gen-sysinfo.go`
 625 msghdr_controllen=`echo $msghdr | sed -n -e 's/^.*msg_controllen \([^ ]*\);.*$/\1/p'`
 626 echo "type Msghdr_controllen_t $msghdr_controllen" >> ${OUT}
 627 echo $msghdr | \
 628     sed -e 's/_msghdr/Msghdr/' \
 629       -e 's/msg_name/Name/' \
 630       -e 's/msg_namelen/Namelen/' \
 631       -e 's/msg_iov/Iov/' \
 632       -e 's/msg_iovlen/Iovlen/' \
 633       -e 's/_iovec/Iovec/' \
 634       -e 's/msg_control/Control/' \
 635       -e 's/msg_controllen *[a-zA-Z0-9_]*/Controllen Msghdr_controllen_t/' \
 636       -e 's/msg_flags/Flags/' \
 637     >> ${OUT}
 638
 639 # The MSG_ flags for Msghdr.
 640 grep '^const _MSG_' gen-sysinfo.go | \
 641   sed -e 's/^\(const \)_\(MSG_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 642
 643 # The cmsghdr struct.
 644 cmsghdr=`grep '^type _cmsghdr ' gen-sysinfo.go`
 645 if test -n "$cmsghdr"; then
 646   cmsghdr_len=`echo $cmsghdr | sed -n -e 's/^.*cmsg_len \([^ ]*\);.*$/\1/p'`
 647   echo "type Cmsghdr_len_t $cmsghdr_len" >> ${OUT}
 648   echo "$cmsghdr" | \
 649       sed -e 's/_cmsghdr/Cmsghdr/' \
 650         -e 's/cmsg_len *[a-zA-Z0-9_]*/Len Cmsghdr_len_t/' \
 651         -e 's/cmsg_level/Level/' \
 652         -e 's/cmsg_type/Type/' \
 653         -e 's/\[\]/[0]/' \
 654       >> ${OUT}
 655 fi
 656
 657 # The SCM_ flags for Cmsghdr.
 658 grep '^const _SCM_' gen-sysinfo.go | \
 659   sed -e 's/^\(const \)_\(SCM_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 660
 661 # The ucred struct.
 662 upcase_fields "_ucred" "Ucred" >> ${OUT} || true
 663
 664 # The ip_mreq struct.
 665 grep '^type _ip_mreq ' gen-sysinfo.go | \
 666     sed -e 's/_ip_mreq/IPMreq/' \
 667       -e 's/imr_multiaddr/Multiaddr/' \
 668       -e 's/imr_interface/Interface/' \
 669       -e 's/_in_addr/[4]byte/g' \
 670     >> ${OUT}
 671
 672 # We need IPMreq to compile the net package.
 673 if ! grep 'type IPMreq ' ${OUT} >/dev/null 2>&1; then
 674   echo 'type IPMreq struct { Multiaddr [4]byte; Interface [4]byte; }' >> ${OUT}
 675 fi
 676
 677 # The ipv6_mreq struct.
 678 grep '^type _ipv6_mreq ' gen-sysinfo.go | \
 679     sed -e 's/_ipv6_mreq/IPv6Mreq/' \
 680       -e 's/ipv6mr_multiaddr/Multiaddr/' \
 681       -e 's/ipv6mr_interface/Interface/' \
 682       -e 's/_in6_addr/[16]byte/' \
 683     >> ${OUT}
 684
 685 # We need IPv6Mreq to compile the net package.
 686 if ! grep 'type IPv6Mreq ' ${OUT} >/dev/null 2>&1; then
 687   echo 'type IPv6Mreq struct { Multiaddr [16]byte; Interface uint32; }' >> ${OUT}
 688 fi
 689
 690 # The ip_mreqn struct.
 691 grep '^type _ip_mreqn ' gen-sysinfo.go | \
 692     sed -e 's/_ip_mreqn/IPMreqn/' \
 693       -e 's/imr_multiaddr/Multiaddr/' \
 694       -e 's/imr_address/Address/' \
 695       -e 's/imr_ifindex/Ifindex/' \
 696       -e 's/_in_addr/[4]byte/g' \
 697     >> ${OUT}
 698
 699 # We need IPMreq to compile the net package.
 700 if ! grep 'type IPMreqn ' ${OUT} >/dev/null 2>&1; then
 701   echo 'type IPMreqn struct { Multiaddr [4]byte; Interface [4]byte; Ifindex int32 }' >> ${OUT}
 702 fi
 703
 704 # The icmp6_filter struct.
 705 grep '^type _icmp6_filter ' gen-sysinfo.go | \
 706     sed -e 's/_icmp6_filter/ICMPv6Filter/' \
 707       -e 's/data/Data/' \
 708       -e 's/filt/Filt/' \
 709     >> ${OUT}
 710
 711 # We need ICMPv6Filter to compile the syscall package.
 712 if ! grep 'type ICMPv6Filter ' ${OUT} > /dev/null 2>&1; then
 713   echo 'type ICMPv6Filter struct { Data [8]uint32 }' >> ${OUT}
 714 fi
 715
 716 # The ip6_mtuinfo struct.
 717 grep '^type _ip6_mtuinfo ' gen-sysinfo.go | \
 718     sed -e 's/_ip6_mtuinfo/IPv6MTUInfo/' \
 719       -e 's/ip6m_addr/Addr/' \
 720       -e 's/_sockaddr_in6/RawSockaddrInet6/' \
 721       -e 's/ip6m_mtu/Mtu/' \
 722     >> ${OUT}
 723
 724 # We need IPv6MTUInfo to compile the syscall package.
 725 if ! grep 'type IPv6MTUInfo ' ${OUT} >/dev/null 2>&1; then
 726   echo 'type IPv6MTUInfo struct { Addr RawSockaddrInet6; Mtu uint32; }' >> ${OUT}
 727 fi
 728 if ! grep 'const _sizeof_ip6_mtuinfo = ' ${OUT} >/dev/null 2>&1; then
 729   echo 'const SizeofIPv6MTUInfo = 32' >> ${OUT}
 730 fi
 731
 732 # Try to guess the type to use for fd_set.
 733 fd_set=`grep '^type _fd_set ' gen-sysinfo.go || true`
 734 fds_bits_type="_C_long"
 735 if test "$fd_set" != ""; then
 736     fds_bits_type=`echo $fd_set | sed -e 's/.*[]]\([^;]*\); }$/\1/'`
 737 fi
 738 echo "type fds_bits_type $fds_bits_type" >> ${OUT}
 739
 740 # The addrinfo struct.
 741 grep '^type _addrinfo ' gen-sysinfo.go | \
 742     sed -e 's/_addrinfo/Addrinfo/g' \
 743       -e 's/ ai_/ Ai_/g' \
 744     >> ${OUT}
 745
 746 # The addrinfo and nameinfo flags and errors.
 747 grep '^const _AI_' gen-sysinfo.go | \
 748   sed -e 's/^\(const \)_\(AI_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 749 grep '^const _EAI_' gen-sysinfo.go | \
 750   sed -e 's/^\(const \)_\(EAI_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 751 grep '^const _NI_' gen-sysinfo.go | \
 752   sed -e 's/^\(const \)_\(NI_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 753
 754 # If nothing else defined EAI_OVERFLOW, make sure it has a value.
 755 if ! grep "const EAI_OVERFLOW " ${OUT} >/dev/null 2>&1; then
 756   echo "const EAI_OVERFLOW = 0" >> ${OUT}
 757 fi
 758
 759 # The passwd struct.
 760 grep '^type _passwd ' gen-sysinfo.go | \
 761     sed -e 's/_passwd/Passwd/' \
 762       -e 's/ pw_/ Pw_/g' \
 763     >> ${OUT}
 764
 765 # The group struct.
 766 grep '^type _group ' gen-sysinfo.go | \
 767     sed -e 's/_group/Group/' \
 768       -e 's/ gr_/ Gr_/g' \
 769     >> ${OUT}
 770
 771 # The ioctl flags for the controlling TTY.
 772 grep '^const _TIOC' gen-sysinfo.go | \
 773     grep -v '_val =' | \
 774     sed -e 's/^\(const \)_\(TIOC[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 775 grep '^const _TUNSET' gen-sysinfo.go | \
 776     grep -v '_val =' | \
 777     sed -e 's/^\(const \)_\(TUNSET[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 778 # We need TIOCGWINSZ.
 779 if ! grep '^const TIOCGWINSZ' ${OUT} >/dev/null 2>&1; then
 780   if grep '^const _TIOCGWINSZ_val' ${OUT} >/dev/null 2>&1; then
 781     echo 'const TIOCGWINSZ = _TIOCGWINSZ_val' >> ${OUT}
 782   fi
 783 fi
 784 if ! grep '^const TIOCSWINSZ' ${OUT} >/dev/null 2>&1; then
 785   if grep '^const _TIOCSWINSZ_val' ${OUT} >/dev/null 2>&1; then
 786     echo 'const TIOCSWINSZ = _TIOCSWINSZ_val' >> ${OUT}
 787   fi
 788 fi
 789 if ! grep '^const TIOCNOTTY' ${OUT} >/dev/null 2>&1; then
 790   if grep '^const _TIOCNOTTY_val' ${OUT} >/dev/null 2>&1; then
 791     echo 'const TIOCNOTTY = _TIOCNOTTY_val' >> ${OUT}
 792   fi
 793 fi
 794 if ! grep '^const TIOCSCTTY' ${OUT} >/dev/null 2>&1; then
 795   if grep '^const _TIOCSCTTY_val' ${OUT} >/dev/null 2>&1; then
 796     echo 'const TIOCSCTTY = _TIOCSCTTY_val' >> ${OUT}
 797   fi
 798 fi
 799 if ! grep '^const TIOCGPGRP' ${OUT} >/dev/null 2>&1; then
 800   if grep '^const _TIOCGPGRP_val' ${OUT} >/dev/null 2>&1; then
 801     echo 'const TIOCGPGRP = _TIOCGPGRP_val' >> ${OUT}
 802   fi
 803 fi
 804 if ! grep '^const TIOCSPGRP' ${OUT} >/dev/null 2>&1; then
 805   if grep '^const _TIOCSPGRP_val' ${OUT} >/dev/null 2>&1; then
 806     echo 'const TIOCSPGRP = _TIOCSPGRP_val' >> ${OUT}
 807   fi
 808 fi
 809 if ! grep '^const TIOCGPTN' ${OUT} >/dev/null 2>&1; then
 810   if grep '^const _TIOCGPTN_val' ${OUT} >/dev/null 2>&1; then
 811     echo 'const TIOCGPTN = _TIOCGPTN_val' >> ${OUT}
 812   fi
 813 fi
 814 if ! grep '^const TIOCSPTLCK' ${OUT} >/dev/null 2>&1; then
 815   if grep '^const _TIOCSPTLCK_val' ${OUT} >/dev/null 2>&1; then
 816     echo 'const TIOCSPTLCK = _TIOCSPTLCK_val' >> ${OUT}
 817   fi
 818 fi
 819 if ! grep '^const TIOCGDEV' ${OUT} >/dev/null 2>&1; then
 820   if grep '^const _TIOCGDEV_val' ${OUT} >/dev/null 2>&1; then
 821     echo 'const TIOCGDEV = _TIOCGDEV_val' >> ${OUT}
 822   fi
 823 fi
 824 if ! grep '^const TIOCSIG' ${OUT} >/dev/null 2>&1; then
 825   if grep '^const _TIOCSIG_val' ${OUT} >/dev/null 2>&1; then
 826     echo 'const TIOCSIG = _TIOCSIG_val' >> ${OUT}
 827   fi
 828 fi
 829
 830 if ! grep '^const TUNSETNOCSUM' ${OUT} >/dev/null 2>&1; then
 831   if grep '^const _TUNSETNOCSUM_val' ${OUT} >/dev/null 2>&1; then
 832     echo 'const TUNSETNOCSUM = _TUNSETNOCSUM_val' >> ${OUT}
 833   fi
 834 fi
 835
 836 if ! grep '^const TUNSETDEBUG' ${OUT} >/dev/null 2>&1; then
 837   if grep '^const _TUNSETDEBUG_val' ${OUT} >/dev/null 2>&1; then
 838     echo 'const TUNSETDEBUG = _TUNSETDEBUG_val' >> ${OUT}
 839   fi
 840 fi
 841
 842 if ! grep '^const TUNSETIFF' ${OUT} >/dev/null 2>&1; then
 843   if grep '^const _TUNSETIFF_val' ${OUT} >/dev/null 2>&1; then
 844     echo 'const TUNSETIFF = _TUNSETIFF_val' >> ${OUT}
 845   fi
 846 fi
 847
 848 if ! grep '^const TUNSETPERSIST' ${OUT} >/dev/null 2>&1; then
 849   if grep '^const _TUNSETPERSIST_val' ${OUT} >/dev/null 2>&1; then
 850     echo 'const TUNSETPERSIST = _TUNSETPERSIST_val' >> ${OUT}
 851   fi
 852 fi
 853
 854 if ! grep '^const TUNSETOWNER' ${OUT} >/dev/null 2>&1; then
 855   if grep '^const _TUNSETOWNER_val' ${OUT} >/dev/null 2>&1; then
 856     echo 'const TUNSETOWNER = _TUNSETOWNER_val' >> ${OUT}
 857   fi
 858 fi
 859
 860 if ! grep '^const TUNSETLINK' ${OUT} >/dev/null 2>&1; then
 861   if grep '^const _TUNSETLINK_val' ${OUT} >/dev/null 2>&1; then
 862     echo 'const TUNSETLINK = _TUNSETLINK_val' >> ${OUT}
 863   fi
 864 fi
 865
 866 if ! grep '^const TUNSETGROUP' ${OUT} >/dev/null 2>&1; then
 867   if grep '^const _TUNSETGROUP_val' ${OUT} >/dev/null 2>&1; then
 868     echo 'const TUNSETGROUP = _TUNSETGROUP_val' >> ${OUT}
 869   fi
 870 fi
 871
 872 if ! grep '^const TUNGETFEATURES' ${OUT} >/dev/null 2>&1; then
 873   if grep '^const _TUNGETFEATURES_val' ${OUT} >/dev/null 2>&1; then
 874     echo 'const TUNGETFEATURES = _TUNGETFEATURES_val' >> ${OUT}
 875   fi
 876 fi
 877
 878 if ! grep '^const TUNSETOFFLOAD' ${OUT} >/dev/null 2>&1; then
 879   if grep '^const _TUNSETOFFLOAD_val' ${OUT} >/dev/null 2>&1; then
 880     echo 'const TUNSETOFFLOAD = _TUNSETOFFLOAD_val' >> ${OUT}
 881   fi
 882 fi
 883
 884 if ! grep '^const TUNSETTXFILTER' ${OUT} >/dev/null 2>&1; then
 885   if grep '^const _TUNSETTXFILTER_val' ${OUT} >/dev/null 2>&1; then
 886     echo 'const TUNSETTXFILTER = _TUNSETTXFILTER_val' >> ${OUT}
 887   fi
 888 fi
 889
 890 if ! grep '^const TUNGETIFF' ${OUT} >/dev/null 2>&1; then
 891   if grep '^const _TUNGETIFF_val' ${OUT} >/dev/null 2>&1; then
 892     echo 'const TUNGETIFF = _TUNGETIFF_val' >> ${OUT}
 893   fi
 894 fi
 895
 896 if ! grep '^const TUNGETSNDBUF' ${OUT} >/dev/null 2>&1; then
 897   if grep '^const _TUNGETSNDBUF_val' ${OUT} >/dev/null 2>&1; then
 898     echo 'const TUNGETSNDBUF = _TUNGETSNDBUF_val' >> ${OUT}
 899   fi
 900 fi
 901
 902 if ! grep '^const TUNSETSNDBUF' ${OUT} >/dev/null 2>&1; then
 903   if grep '^const _TUNSETSNDBUF_val' ${OUT} >/dev/null 2>&1; then
 904     echo 'const TUNSETSNDBUF = _TUNSETSNDBUF_val' >> ${OUT}
 905   fi
 906 fi
 907
 908 if ! grep '^const TUNATTACHFILTER' ${OUT} >/dev/null 2>&1; then
 909   if grep '^const _TUNATTACHFILTER_val' ${OUT} >/dev/null 2>&1; then
 910     echo 'const TUNATTACHFILTER = _TUNATTACHFILTER_val' >> ${OUT}
 911   fi
 912 fi
 913
 914 if ! grep '^const TUNDETACHFILTER' ${OUT} >/dev/null 2>&1; then
 915   if grep '^const _TUNDETACHFILTER_val' ${OUT} >/dev/null 2>&1; then
 916     echo 'const TUNDETACHFILTER = _TUNDETACHFILTER_val' >> ${OUT}
 917   fi
 918 fi
 919
 920 if ! grep '^const TUNGETVNETHDRSZ' ${OUT} >/dev/null 2>&1; then
 921   if grep '^const _TUNGETVNETHDRSZ_val' ${OUT} >/dev/null 2>&1; then
 922     echo 'const TUNGETVNETHDRSZ = _TUNGETVNETHDRSZ_val' >> ${OUT}
 923   fi
 924 fi
 925
 926 if ! grep '^const TUNSETVNETHDRSZ' ${OUT} >/dev/null 2>&1; then
 927   if grep '^const _TUNSETVNETHDRSZ_val' ${OUT} >/dev/null 2>&1; then
 928     echo 'const TUNSETVNETHDRSZ = _TUNSETVNETHDRSZ_val' >> ${OUT}
 929   fi
 930 fi
 931
 932 if ! grep '^const TUNSETQUEUE' ${OUT} >/dev/null 2>&1; then
 933   if grep '^const _TUNSETQUEUE_val' ${OUT} >/dev/null 2>&1; then
 934     echo 'const TUNSETQUEUE = _TUNSETQUEUE_val' >> ${OUT}
 935   fi
 936 fi
 937
 938
 939 if ! grep '^const TUNSETIFINDEX' ${OUT} >/dev/null 2>&1; then
 940   if grep '^const _TUNSETIFINDEX_val' ${OUT} >/dev/null 2>&1; then
 941     echo 'const TUNSETIFINDEX = _TUNSETIFINDEX_val' >> ${OUT}
 942   fi
 943 fi
 944
 945 if ! grep '^const TUNGETFILTER' ${OUT} >/dev/null 2>&1; then
 946   if grep '^const _TUNGETFILTER_val' ${OUT} >/dev/null 2>&1; then
 947     echo 'const TUNGETFILTER = _TUNGETFILTER_val' >> ${OUT}
 948   fi
 949 fi
 950
 951 # The ioctl flags for terminal control
 952 grep '^const _TC[GS]ET' gen-sysinfo.go | grep -v _val | \
 953     sed -e 's/^\(const \)_\(TC[GS]ET[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 954 if ! grep '^const TCGETS' ${OUT} >/dev/null 2>&1; then
 955   if grep '^const _TCGETS_val' ${OUT} >/dev/null 2>&1; then
 956     echo 'const TCGETS = _TCGETS_val' >> ${OUT}
 957   fi
 958 fi
 959 if ! grep '^const TCSETS' ${OUT} >/dev/null 2>&1; then
 960   if grep '^const _TCSETS_val' ${OUT} >/dev/null 2>&1; then
 961     echo 'const TCSETS = _TCSETS_val' >> ${OUT}
 962   fi
 963 fi
 964
 965 # ioctl constants.  Might fall back to 0 if TIOCNXCL is missing, too, but
 966 # needs handling in syscalls.exec.go.
 967 if ! grep '^const _TIOCSCTTY ' gen-sysinfo.go >/dev/null 2>&1; then
 968   if grep '^const _TIOCNXCL ' gen-sysinfo.go >/dev/null 2>&1; then
 969     echo "const TIOCSCTTY = TIOCNXCL" >> ${OUT}
 970   fi
 971 fi
 972
 973 # If nothing else defined TIOCSCTTY, make sure it has a value.
 974 if ! grep "const TIOCSCTTY " ${OUT} >/dev/null 2>&1; then
 975   echo "const TIOCSCTTY = 0" >> ${OUT}
 976 fi
 977
 978 # The nlmsghdr struct.
 979 grep '^type _nlmsghdr ' gen-sysinfo.go | \
 980     sed -e 's/_nlmsghdr/NlMsghdr/' \
 981       -e 's/nlmsg_len/Len/' \
 982       -e 's/nlmsg_type/Type/' \
 983       -e 's/nlmsg_flags/Flags/' \
 984       -e 's/nlmsg_seq/Seq/' \
 985       -e 's/nlmsg_pid/Pid/' \
 986     >> ${OUT}
 987
 988 # The nlmsg flags and operators.
 989 grep '^const _NLM' gen-sysinfo.go | \
 990     sed -e 's/^\(const \)_\(NLM[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 991
 992 # NLMSG_HDRLEN is defined as an expression using sizeof.
 993 if ! grep '^const NLMSG_HDRLEN' ${OUT} > /dev/null 2>&1; then
 994   if grep '^const _sizeof_nlmsghdr ' ${OUT} > /dev/null 2>&1; then
 995     echo 'const NLMSG_HDRLEN = (_sizeof_nlmsghdr + (NLMSG_ALIGNTO-1)) &^ (NLMSG_ALIGNTO-1)' >> ${OUT}
 996   fi
 997 fi
 998
 999 # The rtmsg struct.
1000 grep '^type _rtmsg ' gen-sysinfo.go | \
1001     sed -e 's/_rtmsg/RtMsg/' \
1002       -e 's/rtm_family/Family/' \
1003       -e 's/rtm_dst_len/Dst_len/' \
1004       -e 's/rtm_src_len/Src_len/' \
1005       -e 's/rtm_tos/Tos/' \
1006       -e 's/rtm_table/Table/' \
1007       -e 's/rtm_protocol/Protocol/' \
1008       -e 's/rtm_scope/Scope/' \
1009       -e 's/rtm_type/Type/' \
1010       -e 's/rtm_flags/Flags/' \
1011     >> ${OUT}
1012
1013 # The rtgenmsg struct.
1014 grep '^type _rtgenmsg ' gen-sysinfo.go | \
1015     sed -e 's/_rtgenmsg/RtGenmsg/' \
1016       -e 's/rtgen_family/Family/' \
1017     >> ${OUT}
1018
1019 # The rt_msghdr struct.
1020 grep '^type _rt_msghdr ' gen-sysinfo.go | \
1021     sed -e 's/_rt_msghdr/RtMsghdr/g' \
1022         -e 's/rtm_msglen/Msglen/' \
1023         -e 's/rtm_version/Version/' \
1024         -e 's/rtm_type/Type/' \
1025         -e 's/rtm_index/Index/' \
1026         -e 's/rtm_flags/Flags/' \
1027         -e 's/rtm_addrs/Addrs/' \
1028         -e 's/rtm_pid/Pid/' \
1029         -e 's/rtm_seq/Seq/' \
1030         -e 's/rtm_errno/Errno/' \
1031         -e 's/rtm_use/Use/' \
1032         -e 's/rtm_inits/Inits/' \
1033         -e 's/rtm_rmx/Rmx/' \
1034         -e 's/_rt_metrics/RtMetrics/' \
1035       >> ${OUT}
1036
1037 # The rt_metrics struct.
1038 grep '^type _rt_metrics ' gen-sysinfo.go | \
1039     sed -e 's/_rt_metrics/RtMetrics/g' \
1040         -e 's/rmx_locks/Locks/' \
1041         -e 's/rmx_mtu/Mtu/' \
1042         -e 's/rmx_hopcount/Hopcount/' \
1043         -e 's/rmx_recvpipe/Recvpipe/' \
1044         -e 's/rmx_sendpipe/Sendpipe/' \
1045         -e 's/rmx_ssthresh/Ssthresh/' \
1046         -e 's/rmx_rtt/Rtt/' \
1047         -e 's/rmx_rttvar/Rttvar/' \
1048         -e 's/rmx_expire/Expire/' \
1049         -e 's/rmx_pksent/Pksent/' \
1050       >> ${OUT}
1051
1052 # The routing message flags.
1053 grep '^const _RT_' gen-sysinfo.go | \
1054     sed -e 's/^\(const \)_\(RT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1055 grep '^const _RTA' gen-sysinfo.go | \
1056     sed -e 's/^\(const \)_\(RTA[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1057 grep '^const _RTF' gen-sysinfo.go | \
1058     sed -e 's/^\(const \)_\(RTF[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1059 grep '^const _RTCF' gen-sysinfo.go | \
1060     sed -e 's/^\(const \)_\(RTCF[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1061 grep '^const _RTM' gen-sysinfo.go | \
1062     sed -e 's/^\(const \)_\(RTM[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1063 if test "${GOOS}" = "netbsd"; then
1064   if ! grep "RTM_RESOLVE" ${OUT} >/dev/null 2>&1; then
1065     # NetBSD 8.0 removed RTM_RESOLVE, but it is part of the syscall package's
1066     # stable API, so add it manually.
1067     echo "const RTM_RESOLVE = 0xb" >> ${OUT}
1068   fi
1069 fi
1070 grep '^const _RTN' gen-sysinfo.go | \
1071     sed -e 's/^\(const \)_\(RTN[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1072 grep '^const _RTPROT' gen-sysinfo.go | \
1073     sed -e 's/^\(const \)_\(RTPROT[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1074
1075 # The ifinfomsg struct.
1076 grep '^type _ifinfomsg ' gen-sysinfo.go | \
1077     sed -e 's/_ifinfomsg/IfInfomsg/' \
1078       -e 's/ifi_family/Family/' \
1079       -e 's/ifi_type/Type/' \
1080       -e 's/ifi_index/Index/' \
1081       -e 's/ifi_flags/Flags/' \
1082       -e 's/ifi_change/Change/' \
1083     >> ${OUT}
1084
1085 # The if_msghdr struct. Upstream uses inconsistent capitalization for this type
1086 # on AIX, so we do too.
1087 ifmsghdr_name=IfMsghdr
1088 if test "${GOOS}" = "aix"; then
1089     ifmsghdr_name=IfMsgHdr
1090 fi
1091 grep '^type _if_msghdr ' gen-sysinfo.go | \
1092     sed -e "s/_if_msghdr/${ifmsghdr_name}/" \
1093                 -e 's/ifm_msglen/Msglen/' \
1094                 -e 's/ifm_version/Version/' \
1095                 -e 's/ifm_type/Type/' \
1096                 -e 's/ifm_addrs/Addrs/' \
1097                 -e 's/ifm_flags/Flags/' \
1098                 -e 's/ifm_index/Index/' \
1099                 -e 's/ifm_addrlen/Addrlen/' \
1100                 >> ${OUT}
1101
1102 # The if_announcemsghdr struct.
1103 grep '^type _if_announcemsghdr ' gen-sysinfo.go | \
1104     sed -e 's/_if_announcemsghdr/IfAnnounceMsghdr/g' \
1105         -e 's/ifan_msglen/Msglen/' \
1106         -e 's/ifan_version/Version/' \
1107         -e 's/ifan_type/Type/' \
1108         -e 's/ifan_index/Index/' \
1109         -e 's/ifan_name/Name/' \
1110         -e 's/ifan_what/What/' \
1111       >> ${OUT}
1112
1113 # The interface information types and flags.
1114 grep '^const _IFA' gen-sysinfo.go | \
1115     sed -e 's/^\(const \)_\(IFA[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1116 grep '^const _IFLA' gen-sysinfo.go | \
1117     sed -e 's/^\(const \)_\(IFLA[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1118 grep '^const _IFF' gen-sysinfo.go | \
1119     sed -e 's/^\(const \)_\(IFF[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1120 grep '^const _IFNAMSIZ' gen-sysinfo.go | \
1121     sed -e 's/^\(const \)_\(IFNAMSIZ[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1122 grep '^const _SIOC' gen-sysinfo.go | \
1123     grep -v '_val =' | \
1124     sed -e 's/^\(const \)_\(SIOC[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1125
1126 if ! grep '^const SIOCGIFMTU' ${OUT} >/dev/null 2>&1; then
1127         if grep '^const _SIOCGIFMTU_val' ${OUT} >/dev/null 2>&1; then
1128                 echo 'const SIOCGIFMTU = _SIOCGIFMTU_val' >> ${OUT}
1129         fi
1130 fi
1131
1132 # The ifaddrmsg struct.
1133 grep '^type _ifaddrmsg ' gen-sysinfo.go | \
1134     sed -e 's/_ifaddrmsg/IfAddrmsg/' \
1135       -e 's/ifa_family/Family/' \
1136       -e 's/ifa_prefixlen/Prefixlen/' \
1137       -e 's/ifa_flags/Flags/' \
1138       -e 's/ifa_scope/Scope/' \
1139       -e 's/ifa_index/Index/' \
1140     >> ${OUT}
1141
1142 # The ifa_msghdr struct.
1143 grep '^type _ifa_msghdr ' gen-sysinfo.go | \
1144     sed -e 's/_ifa_msghdr/IfaMsghdr/g' \
1145         -e 's/ifam_msglen/Msglen/' \
1146         -e 's/ifam_version/Version/' \
1147         -e 's/ifam_type/Type/' \
1148         -e 's/ifam_addrs/Addrs/' \
1149         -e 's/ifam_flags/Flags/' \
1150         -e 's/ifam_metric/Metric/' \
1151         -e 's/ifam_index/Index/' \
1152       >> ${OUT}
1153
1154 # The rtattr struct.
1155 grep '^type _rtattr ' gen-sysinfo.go | \
1156     sed -e 's/_rtattr/RtAttr/' \
1157       -e 's/rta_len/Len/' \
1158       -e 's/rta_type/Type/' \
1159     >> ${OUT}
1160
1161 # The bpf_version struct.
1162 grep '^type _bpf_version ' gen-sysinfo.go | \
1163     sed -e 's/_bpf_version/BpfVersion/g' \
1164         -e 's/bv_major/Major/' \
1165         -e 's/bv_minor/Minor/' \
1166       >> ${OUT}
1167
1168 # The bpf_stat struct.
1169 grep '^type _bpf_stat ' gen-sysinfo.go | \
1170     sed -e 's/_bpf_stat/BpfStat/g' \
1171         -e 's/bs_recv/Recv/' \
1172         -e 's/bs_drop/Drop/' \
1173         -e 's/bs_capt/Capt/' \
1174         -e 's/bs_padding/Padding/' \
1175       >> ${OUT}
1176
1177 # The bpf_insn struct.
1178 grep '^type _bpf_insn ' gen-sysinfo.go | \
1179     sed -e 's/_bpf_insn/BpfInsn/g' \
1180         -e 's/code/Code/' \
1181         -e 's/jt/Jt/' \
1182         -e 's/jf/Jf/' \
1183         -e 's/k/K/' \
1184       >> ${OUT}
1185
1186 # The bpf_program struct.
1187 grep '^type _bpf_program ' gen-sysinfo.go | \
1188     sed -e 's/_bpf_program/BpfProgram/g' \
1189         -e 's/bf_len/Len/' \
1190         -e 's/bf_insns/Insns/' \
1191         -e 's/_bpf_insn/BpfInsn/' \
1192       >> ${OUT}
1193
1194 # The BPF ioctl constants.
1195 grep '^const _BIOC' gen-sysinfo.go | \
1196     grep -v '_val =' | \
1197     sed -e 's/^\(const \)_\(BIOC[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1198 for c in BIOCFLUSH BIOCGBLEN BIOCGDLT BIOCGETIF BIOCGHDRCMPLT BIOCGRTIMEOUT \
1199          BIOCGSTATS BIOCIMMEDIATE BIOCPROMISC BIOCSBLEN BIOCSDLT BIOCSETF \
1200          BIOCSETIF BIOCSHDRCMPLT BIOCSRTIMEOUT BIOCVERSION
1201 do
1202   if ! grep "^const ${c}" ${OUT} >/dev/null 2>&1; then
1203     if grep "^const _${c}_val" ${OUT} >/dev/null 2>&1; then
1204       echo "const ${c} = _${c}_val" >> ${OUT}
1205     fi
1206   fi
1207 done
1208
1209 # The in_pktinfo struct.
1210 grep '^type _in_pktinfo ' gen-sysinfo.go | \
1211     sed -e 's/_in_pktinfo/Inet4Pktinfo/' \
1212       -e 's/ipi_ifindex/Ifindex/' \
1213       -e 's/ipi_spec_dst/Spec_dst/' \
1214       -e 's/ipi_addr/Addr/' \
1215       -e 's/_in_addr/[4]byte/g' \
1216     >> ${OUT}
1217
1218 # The in6_pktinfo struct.
1219 grep '^type _in6_pktinfo ' gen-sysinfo.go | \
1220     sed -e 's/_in6_pktinfo/Inet6Pktinfo/' \
1221       -e 's/ipi6_addr/Addr/' \
1222       -e 's/ipi6_ifindex/Ifindex/' \
1223       -e 's/_in6_addr/[16]byte/' \
1224     >> ${OUT}
1225
1226 # The termios struct.
1227 grep '^type _termios ' gen-sysinfo.go | \
1228     sed -e 's/_termios/Termios/' \
1229       -e 's/c_iflag/Iflag/' \
1230       -e 's/c_oflag/Oflag/' \
1231       -e 's/c_cflag/Cflag/' \
1232       -e 's/c_lflag/Lflag/' \
1233       -e 's/c_line/Line/' \
1234       -e 's/c_cc/Cc/' \
1235       -e 's/c_ispeed/Ispeed/' \
1236       -e 's/c_ospeed/Ospeed/' \
1237     >> ${OUT}
1238
1239 # The termios constants.
1240 for n in IGNBRK BRKINT IGNPAR PARMRK INPCK ISTRIP INLCR IGNCR ICRNL IUCLC \
1241     IXON IXANY IXOFF IMAXBEL IUTF8 OPOST OLCUC ONLCR OCRNL ONOCR ONLRET \
1242     OFILL OFDEL NLDLY NL0 NL1 CRDLY CR0 CR1 CR2 CR3 CS5 CS6 CS7 CS8 TABDLY \
1243     BSDLY VTDLY FFDLY CBAUD CBAUDEX CSIZE CSTOPB CREAD PARENB PARODD HUPCL \
1244     CLOCAL LOBLK CIBAUD CMSPAR CRTSCTS ISIG ICANON XCASE ECHO ECHOE ECHOK \
1245     ECHONL ECHOCTL ECHOPRT ECHOKE DEFECHO FLUSHO NOFLSH TOSTOP PENDIN IEXTEN \
1246     VINTR VQUIT VERASE VKILL VEOF VMIN VEOL VTIME VEOL2 VSWTCH VSTART VSTOP \
1247     VSUSP VDSUSP VLNEXT VWERASE VREPRINT VDISCARD VSTATUS TCSANOW TCSADRAIN \
1248     TCSAFLUSH TCIFLUSH TCOFLUSH TCIOFLUSH TCOOFF TCOON TCIOFF TCION B0 B50 \
1249     B75 B110 B134 B150 B200 B300 B600 B1200 B1800 B2400 B4800 B9600 B19200 \
1250     B38400 B57600 B115200 B230400 B460800 B500000 B576000 B921600 B1000000 \
1251     B1152000 B1500000 B2000000 B2500000 B3000000 B3500000 B4000000; do
1252
1253     grep "^const _$n " gen-sysinfo.go | \
1254         sed -e 's/^\(const \)_\([^=]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1255 done
1256
1257 # The mount flags
1258 grep '^const _MNT_' gen-sysinfo.go |
1259     sed -e 's/^\(const \)_\(MNT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1260 grep '^const _MS_' gen-sysinfo.go |
1261     sed -e 's/^\(const \)_\(MS_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1262
1263 # The fallocate flags.
1264 grep '^const _FALLOC_' gen-sysinfo.go |
1265     sed -e 's/^\(const \)_\(FALLOC_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1266
1267 # The statfs struct.
1268 # Prefer largefile variant if available.
1269 # CentOS 5 does not have f_flags, so pull from f_spare.
1270 statfs=`grep '^type _statfs64 ' gen-sysinfo.go || true`
1271 if test "$statfs" = ""; then
1272   statfs=`grep '^type _statfs ' gen-sysinfo.go || true`
1273 fi
1274 if ! echo "$statfs" | grep f_flags >/dev/null 2>&1; then
1275   statfs=`echo "$statfs" | sed -e 's/f_spare \[4+1\]\([^ ;]*\)/f_flags \1; f_spare [3+1]\1/'`
1276 fi
1277 echo "$statfs" | sed -e 's/type _statfs64/type Statfs_t/' \
1278          -e 's/type _statfs/type Statfs_t/' \
1279          -e 's/f_type/Type/' \
1280          -e 's/f_bsize/Bsize/' \
1281          -e 's/f_blocks/Blocks/' \
1282          -e 's/f_bfree/Bfree/' \
1283          -e 's/f_bavail/Bavail/' \
1284          -e 's/f_files/Files/' \
1285          -e 's/f_ffree/Ffree/' \
1286          -e 's/f_fsid/Fsid/' \
1287          -e 's/f_namelen/Namelen/' \
1288          -e 's/f_frsize/Frsize/' \
1289          -e 's/f_flags/Flags/' \
1290          -e 's/f_spare/Spare/' \
1291     >> ${OUT}
1292
1293 # The timex struct.
1294 timex=`grep '^type _timex ' gen-sysinfo.go || true`
1295 if test "$timex" = ""; then
1296   timex=`grep '^// type _timex ' gen-sysinfo.go || true`
1297   if test "$timex" != ""; then
1298     timex=`echo $timex | sed -e 's|// ||' -e 's/INVALID-bit-field/int32/g'`
1299   fi
1300 fi
1301 if test "$timex" != ""; then
1302   echo "$timex" | \
1303     sed -e 's/_timex/Timex/' \
1304       -e 's/modes/Modes/' \
1305       -e 's/offset/Offset/' \
1306       -e 's/freq/Freq/' \
1307       -e 's/maxerror/Maxerror/' \
1308       -e 's/esterror/Esterror/' \
1309       -e 's/status/Status/' \
1310       -e 's/constant/Constant/' \
1311       -e 's/precision/Precision/' \
1312       -e 's/tolerance/Tolerance/' \
1313       -e 's/ time / Time /' \
1314       -e 's/tick/Tick/' \
1315       -e 's/ppsfreq/Ppsfreq/' \
1316       -e 's/jitter/Jitter/' \
1317       -e 's/shift/Shift/' \
1318       -e 's/stabil/Stabil/' \
1319       -e 's/jitcnt/Jitcnt/' \
1320       -e 's/calcnt/Calcnt/' \
1321       -e 's/errcnt/Errcnt/' \
1322       -e 's/stbcnt/Stbcnt/' \
1323       -e 's/tai/Tai/' \
1324       -e 's/_timeval/Timeval/' \
1325     >> ${OUT}
1326 fi
1327
1328 # The rlimit struct.
1329 # On systems that use syscall/libcall_posix_largefile.go, use rlimit64
1330 # if it exists.
1331 rlimit="_rlimit"
1332 if test "${GOOS}" = "aix" || test "${GOOS}" = "linux" || (test "${GOOS}" = "solaris" && (test "${GOARCH}" = "386" || test "${GOARCH}" = "sparc")); then
1333   if grep '^type _rlimit64 ' gen-sysinfo.go > /dev/null 2>&1; then
1334     rlimit="_rlimit64"
1335   fi
1336 fi
1337 grep "^type ${rlimit} " gen-sysinfo.go | \
1338     sed -e "s/${rlimit}/Rlimit/" \
1339       -e 's/rlim_cur/Cur/' \
1340       -e 's/rlim_max/Max/' \
1341     >> ${OUT}
1342
1343 # The RLIMIT constants.
1344 grep '^const _RLIMIT_' gen-sysinfo.go |
1345     sed -e 's/^\(const \)_\(RLIMIT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1346 grep '^const _RLIM_' gen-sysinfo.go |
1347     grep -v '^const _RLIM_INFINITY ' |
1348     sed -e 's/^\(const \)_\(RLIM_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1349 rliminf=""
1350 if test "${rlimit}" = "_rlimit64" && grep '^const _RLIM64_INFINITY ' gen-sysinfo.go > /dev/null 2>&1; then
1351   rliminf=`grep '^const _RLIM64_INFINITY ' gen-sysinfo.go | sed -e 's/.* //'`
1352 else
1353   rliminf=`grep '^const _RLIM_INFINITY ' gen-sysinfo.go | sed -e 's/.* //'`
1354 fi
1355 # For compatibility with the gc syscall package, treat 0xffffffffffffffff as -1.
1356 if test "$rliminf" = "0xffffffffffffffff"; then
1357   echo "const RLIM_INFINITY = -1" >> ${OUT}
1358 elif test -n "$rliminf"; then
1359   echo "const RLIM_INFINITY = $rliminf" >> ${OUT}
1360 fi
1361
1362 # The sysinfo struct.
1363 grep '^type _sysinfo ' gen-sysinfo.go | \
1364     sed -e 's/_sysinfo/Sysinfo_t/' \
1365       -e 's/uptime/Uptime/' \
1366       -e 's/loads/Loads/' \
1367       -e 's/totalram/Totalram/' \
1368       -e 's/freeram/Freeram/' \
1369       -e 's/sharedram/Sharedram/' \
1370       -e 's/bufferram/Bufferram/' \
1371       -e 's/totalswap/Totalswap/' \
1372       -e 's/freeswap/Freeswap/' \
1373       -e 's/procs/Procs/' \
1374       -e 's/totalhigh/Totalhigh/' \
1375       -e 's/freehigh/Freehigh/' \
1376       -e 's/mem_unit/Unit/' \
1377     >> ${OUT}
1378
1379 # The utimbuf struct.
1380 grep '^type _utimbuf ' gen-sysinfo.go | \
1381     sed -e 's/_utimbuf/Utimbuf/' \
1382       -e 's/actime/Actime/' \
1383       -e 's/modtime/Modtime/' \
1384     >> ${OUT}
1385
1386 # The LOCK flags for flock.
1387 grep '^const _LOCK_' gen-sysinfo.go |
1388     sed -e 's/^\(const \)_\(LOCK_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1389
1390 # The PRIO constants.
1391 grep '^const _PRIO_' gen-sysinfo.go | \
1392   sed -e 's/^\(const \)_\(PRIO_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1393
1394 # The GNU/Linux LINUX_REBOOT flags.
1395 grep '^const _LINUX_REBOOT_' gen-sysinfo.go |
1396     sed -e 's/^\(const \)_\(LINUX_REBOOT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1397
1398 # The GNU/Linux sock_filter struct.
1399 grep '^type _sock_filter ' gen-sysinfo.go | \
1400     sed -e 's/_sock_filter/SockFilter/' \
1401       -e 's/code/Code/' \
1402       -e 's/jt/Jt/' \
1403       -e 's/jf/Jf/' \
1404       -e 's/k /K /' \
1405     >> ${OUT}
1406
1407 # The GNU/Linux sock_fprog struct.
1408 grep '^type _sock_fprog ' gen-sysinfo.go | \
1409     sed -e 's/_sock_fprog/SockFprog/' \
1410       -e 's/len/Len/' \
1411       -e 's/filter/Filter/' \
1412       -e 's/_sock_filter/SockFilter/' \
1413     >> ${OUT}
1414
1415 # The GNU/Linux filter flags.
1416 grep '^const _BPF_' gen-sysinfo.go | \
1417   sed -e 's/^\(const \)_\(BPF_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1418
1419 # The GNU/Linux nlattr struct.
1420 grep '^type _nlattr ' gen-sysinfo.go | \
1421     sed -e 's/_nlattr/NlAttr/' \
1422       -e 's/nla_len/Len/' \
1423       -e 's/nla_type/Type/' \
1424     >> ${OUT}
1425
1426 # The GNU/Linux nlmsgerr struct.
1427 grep '^type _nlmsgerr ' gen-sysinfo.go | \
1428     sed -e 's/_nlmsgerr/NlMsgerr/' \
1429       -e 's/error/Error/' \
1430       -e 's/msg/Msg/' \
1431       -e 's/_nlmsghdr/NlMsghdr/' \
1432     >> ${OUT}
1433
1434 # The GNU/Linux rtnexthop struct.
1435 grep '^type _rtnexthop ' gen-sysinfo.go | \
1436     sed -e 's/_rtnexthop/RtNexthop/' \
1437       -e 's/rtnh_len/Len/' \
1438       -e 's/rtnh_flags/Flags/' \
1439       -e 's/rtnh_hops/Hops/' \
1440       -e 's/rtnh_ifindex/Ifindex/' \
1441     >> ${OUT}
1442
1443 # The GNU/Linux netlink flags.
1444 grep '^const _NETLINK_' gen-sysinfo.go | \
1445   sed -e 's/^\(const \)_\(NETLINK_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1446 grep '^const _NLA_' gen-sysinfo.go | grep -v '_val =' | \
1447   sed -e 's/^\(const \)_\(NLA_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1448
1449 if ! grep '^const NLA_HDRLEN' ${OUT} >/dev/null 2>&1; then
1450   if grep '^const _NLA_HDRLEN_val' ${OUT} >/dev/null 2>&1; then
1451     echo 'const NLA_HDRLEN = _NLA_HDRLEN_val' >> ${OUT}
1452   fi
1453 fi
1454
1455 # The GNU/Linux packet socket flags.
1456 grep '^const _PACKET_' gen-sysinfo.go | \
1457   sed -e 's/^\(const \)_\(PACKET_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1458
1459 # The GNU/Linux inotify_event struct.
1460 grep '^type _inotify_event ' gen-sysinfo.go | \
1461     sed -e 's/_inotify_event/InotifyEvent/' \
1462       -e 's/wd/Wd/' \
1463       -e 's/mask/Mask/' \
1464       -e 's/cookie/Cookie/' \
1465       -e 's/len/Len/' \
1466       -e 's/name/Name/' \
1467       -e 's/\[\]/[0]/' \
1468       -e 's/\[0\]byte/[0]int8/' \
1469     >> ${OUT}
1470
1471 # The GNU/Linux CLONE flags.
1472 grep '^const _CLONE_' gen-sysinfo.go | \
1473   sed -e 's/^\(const \)_\(CLONE_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1474 # We need some CLONE constants that are not defined in older versions
1475 # of glibc.
1476 if ! grep '^const CLONE_NEWUSER ' ${OUT} > /dev/null 2>&1; then
1477   echo "const CLONE_NEWUSER = 0x10000000" >> ${OUT}
1478 fi
1479 if ! grep '^const CLONE_NEWNET ' ${OUT} > /dev/null 2>&1; then
1480   echo "const CLONE_NEWNET = 0x40000000" >> ${OUT}
1481 fi
1482
1483 # Struct sizes.
1484 set cmsghdr Cmsghdr ip_mreq IPMreq ip_mreqn IPMreqn ipv6_mreq IPv6Mreq \
1485     ifaddrmsg IfAddrmsg ifa_msghdr IfaMsghdr ifinfomsg IfInfomsg \
1486     if_msghdr IfMsghdr in_pktinfo Inet4Pktinfo in6_pktinfo Inet6Pktinfo \
1487     inotify_event InotifyEvent linger Linger msghdr Msghdr nlattr NlAttr \
1488     nlmsgerr NlMsgerr nlmsghdr NlMsghdr rtattr RtAttr rt_msghdr RtMsghdr \
1489     rtgenmsg RtGenmsg rtmsg RtMsg rtnexthop RtNexthop \
1490     sock_filter SockFilter sock_fprog SockFprog ucred Ucred \
1491     icmp6_filter ICMPv6Filter ip6_mtuinfo IPv6MTUInfo
1492 while test $# != 0; do
1493     nc=$1
1494     ngo=$2
1495     shift
1496     shift
1497     if grep "^const _sizeof_$nc =" gen-sysinfo.go >/dev/null 2>&1; then
1498         echo "const Sizeof$ngo = _sizeof_$nc" >> ${OUT}
1499     fi
1500 done
1501
1502 # In order to compile the net package, we need some sizes to exist
1503 # even if the types do not.
1504 if ! grep 'const SizeofIPMreq ' ${OUT} >/dev/null 2>&1; then
1505     echo 'const SizeofIPMreq = 8' >> ${OUT}
1506 fi
1507 if ! grep 'const SizeofIPv6Mreq ' ${OUT} >/dev/null 2>&1; then
1508     echo 'const SizeofIPv6Mreq = 20' >> ${OUT}
1509 fi
1510 if ! grep 'const SizeofIPMreqn ' ${OUT} >/dev/null 2>&1; then
1511     echo 'const SizeofIPMreqn = 12' >> ${OUT}
1512 fi
1513 if ! grep 'const SizeofICMPv6Filter ' ${OUT} >/dev/null 2>&1; then
1514     echo 'const SizeofICMPv6Filter = 32' >> ${OUT}
1515 fi
1516
1517 # The Solaris 11 Update 1 _zone_net_addr_t struct.
1518 grep '^type _zone_net_addr_t ' gen-sysinfo.go | \
1519     sed -e 's/_in6_addr/[16]byte/' \
1520     >> ${OUT}
1521
1522 # The Solaris 11.4 _flow_arp_desc_t struct.
1523 grep '^type _flow_arp_desc_t ' gen-sysinfo.go | \
1524     sed -e 's/_in6_addr_t/[16]byte/g' \
1525     >> ${OUT}
1526
1527 # The Solaris 11.4 _flow_l3_desc_t struct.
1528 grep '^type _flow_l3_desc_t ' gen-sysinfo.go | \
1529     sed -e 's/_in6_addr_t/[16]byte/g' \
1530     >> ${OUT}
1531
1532 # The Solaris 11.3 _mac_ipaddr_t struct.
1533 grep '^type _mac_ipaddr_t ' gen-sysinfo.go | \
1534     sed -e 's/_in6_addr_t/[16]byte/g' \
1535     >> ${OUT}
1536
1537 # The Solaris 11.3 _mactun_info_t struct.
1538 grep '^type _mactun_info_t ' gen-sysinfo.go | \
1539     sed -e 's/_in6_addr_t/[16]byte/g' \
1540     >> ${OUT}
1541
1542 # Type 'uint128' is needed in a couple of type definitions on arm64,such
1543 # as _user_fpsimd_struct, _elf_fpregset_t, etc.
1544 if ! grep '^type uint128' ${OUT} > /dev/null 2>&1; then
1545     echo "type uint128 [16]byte" >> ${OUT}
1546 fi
1547
1548 exit $?